WO2024208293A1

WO2024208293A1 - Developing cartridge

Info

Publication number: WO2024208293A1
Application number: PCT/CN2024/085899
Authority: WO
Inventors: 龚小敏; 彭健; 谢文锋; 晏文强; 顾海丰
Original assignee: 江西亿铂电子科技有限公司
Priority date: 2023-04-04
Filing date: 2024-04-03
Publication date: 2024-10-10

Abstract

Disclosed in the present application is a developing cartridge. The developing cartridge comprises: a housing, wherein in a first direction, the housing has a first side and a second side arranged separate from the first side; a developing roller, which can rotate around a first axis extending in the first direction; a detected protrusion, which can move relative to the housing; a coupling gear, which is configured to receive, from outside of the developing cartridge, a driving force for driving the developing roller to rotate, and can rotate around a second axis, which extends in the first direction and is different from the first axis; and a transfer component, which is configured to receive, independent of the coupling gear and from outside of the developing cartridge, a driving force for driving the detected protrusion to move. The developing cartridge of the present application can receive a driving force from a toner cartridge, and can directly drive the detected protrusion to move. By means of such an independent driving manner, the disturbance to the detected protrusion is reduced, thereby improving the stability of the detected protrusion.

Description

A developing box

Technical Field

The present application relates to the technical field of electronic photographic imaging, and in particular to a developing box.

Background Art

The prior art discloses a drum box including a photosensitive drum and a drum frame, and a developer box including a developing roller. The developer box also has a detected protrusion that cooperates with a detection component of an electronic photographic imaging device. During operation, after the developer box is installed to the electronic photographic imaging device, the electronic photographic imaging device drives the detected protrusion to move. Through the frequency and amplitude of the detected component touching the detection component, the electronic photographic imaging device can identify the movement frequency and movement amplitude of the detected protrusion, thereby determining the model, capacity, newness, and other information of the developer box.

Existing, the detected protrusion needs to receive the driving force from the coupling gear serving as a coupling to realize the function of moving the detecting member; however, while the coupling receives the driving force from the electronic photographic imaging device to drive the detected protrusion, it also needs to drive the developing roller, powder feeding roller and stirring frame of the developing box to rotate; in actual use, the driving force received by the detected protrusion is often affected by other driven components, and cannot receive a stable driving force, so that the detected protrusion often deviates when moving the detecting member, and a certain proportion will cause the electronic photographic imaging device to report an error, thereby affecting the use of the developing box. Both the manufacturer and the end user do not want to see the above situations, so it is urgent to design a new developing box to solve the above problems.

Summary of the invention

Therefore, the present application provides a developing box to solve the above technical problems, which is mainly achieved through the following technical solutions:

A developing box, comprising:

A housing, the housing having a first side in a first direction and a second side separated from the first side;

a developing roller rotatable about a first axis extending in the first direction;

a detected protrusion, wherein the detected protrusion is movable relative to the housing;

a coupling gear for receiving a driving force for driving the developing roller to rotate from the outside of the developing cartridge, the coupling gear being rotatable about a second axis extending in the first direction and different from the first axis;

A transmission member for receiving a driving force for driving the detected protrusion to move from the outside of the developing cartridge independently of the coupling gear.

Further, the coupling gear is located on the first side of the housing in the first direction, and the transmission component is arranged on the same side of the housing as the coupling gear in the first direction.

Furthermore, it also includes a developing roller gear arranged at one end of the developing roller in the first direction, and the transmission component is arranged independently of the developing roller gear in the first direction.

Furthermore, it also includes a developing roller gear arranged at one end of the developing roller in the first direction, and the diameter of the developing roller gear is smaller than the diameter of the transmission component.

Furthermore, it also includes a developing roller gear arranged at one end of the developing roller in the first direction, and the rotation axis of the transmission component is substantially the same as the rotation axis of the developing roller gear.

Further, the transmission component is rotatably supported on one side of the developing roller in the first direction.

Furthermore, the transmission component is rotatable relative to the developing roller.

Furthermore, at least one intermediate transmission gear is connected between the transmission component and the detected protrusion, and the rotation axis of the intermediate transmission gear is located between the rotation axis of the transmission component and the detected protrusion in a second direction intersecting the first direction.

Furthermore, it also includes a developing roller gear arranged at one end of the developing roller in the first direction, and in the first direction, the transmission component is closer to the second side of the housing than the developing roller gear.

Furthermore, it also includes a developing roller gear arranged at one end of the developing roller in the first direction, and the transmission component is farther away from the second side of the housing than the developing roller gear in the first direction.

Furthermore, the transmission component is configured as a gear.

Furthermore, it also includes a chip having an electrical contact surface, wherein the electrical contact surface is located on the first side of the housing in the first direction, and the electrical contact surface overlaps with at least a portion of the transmission component in the first direction.

Furthermore, it also includes a chip having an electrical contact surface, wherein the electrical contact surface is located on the first side of the housing in the first direction, and the electrical contact surface is farther away from the second side of the housing than the transmission component in the first direction.

Furthermore, it also includes a chip having an electrical contact surface, and in a second direction intersecting the first direction, the electrical contact surface is farther away from the transmission component than the coupling gear.

Furthermore, the transmission component structure has a toothed portion which is a rack.

Furthermore, the rack has a first tooth portion and a second tooth portion arranged crosswise with the first tooth portion.

Furthermore, it also includes a transmission rod, which can move according to the movement of the transmission component, and the detected protrusion can move according to the movement of the transmission rod.

Further, in the first direction, the detected protrusion is located on the second side of the shell.

A developing box is also provided, comprising:

a detected protrusion, located at the second side of the housing in the first direction, and the detected protrusion is movable relative to the housing;

a transmission component rotatable about a third axis extending in the first direction and substantially the same as the first axis;

The detected protrusion may move according to rotation of the transmission member, and the transmission member may rotate relative to the developing roller.

Furthermore, it also includes a coupling gear, which is used to receive a driving force from outside the developing box to drive the developing roller to rotate, and the coupling gear can rotate around a second axis different from the first axis and extending in the first direction.

Furthermore, the transmission component is configured as a gear.

Further, in the first direction, the transfer component is located on the second side of the shell.

Beneficial effects:

The developing box of the present application is provided with a transmission component, which can receive the driving force from the drum box and can directly drive the detected protrusion to move. Through this independent driving mode, the interference to the detected protrusion is reduced, thereby improving the accuracy of the detected protrusion to move the detection component, so that the developing box can more accurately transmit the driving force to the electronic photographic imaging device, reduce the occurrence of errors in the electronic photographic imaging device, and improve the stability of the use of the developing box.

BRIEF DESCRIPTION OF THE DRAWINGS

FIG1 is a schematic diagram of a developing cartridge in Example 1 of the present application ready to be installed in a printer;

FIG2 is a schematic diagram of a drum cartridge in the prior art;

FIG. 3 is a schematic diagram of a drum box in the prior art from another angle

FIG4 is a schematic diagram of a developing cartridge in Example 1 of the present application;

FIG5 is a schematic diagram of the developing cartridge in Embodiment 1 of the present application from another angle;

FIG6 is a schematic diagram of the end cover and the housing in the disassembled state in Example 1 of the present application;

FIG7 is a schematic diagram of another angle of the end cover and the housing in the disassembled state in Example 1 of the present application;

FIG8 is a schematic diagram of another angle of the end cover and the housing in the disassembled state in Embodiment 1 of the present application;

9 is a schematic diagram of the positions of the developing cartridge and the photosensitive drum in a state where the developing cartridge and the drum cartridge are engaged in Embodiment 1 of the present application;

FIG10 is a schematic diagram of the three-dimensional structure of the developing cartridge in Example 2 of the present application;

11 is a schematic diagram of the three-dimensional structure of the developing cartridge in Embodiment 2 of the present application from another angle;

12 is a schematic diagram of a three-dimensional structure of a developing cartridge according to another embodiment of Example 2 of the present application;

FIG13 is a schematic diagram of the end cover and the housing in the disassembled state in Example 2 of the present application;

14 is a schematic diagram of the positions of the developing cartridge and the photosensitive drum in a state where the developing cartridge and the drum cartridge are engaged in Embodiment 2 of the present application;

15 is a schematic diagram of the three-dimensional structure of the developing cartridge in Example 3 of the present application;

FIG16 is an exploded schematic diagram of the developing cartridge in Example 3 of the present application;

17 is a schematic diagram of the three-dimensional structure of the developing cartridge and the photosensitive drum in Example 3 of the present application with the end cover and part of the gears hidden;

18 is a left side view of the developing cartridge and the photosensitive drum in Example 3 of the present application with the end cover and part of the gear hidden;

19 is a schematic diagram of a three-dimensional structure of a rack and a photosensitive drum at a certain angle when the developing cartridge is installed to the drum cartridge in Example 3 of the present application;

FIG20 is a schematic diagram of a partially exploded structure of a driving force transmission component in Embodiment 3 of the present application;

21 is a schematic diagram of the three-dimensional structure of the developing cartridge in Example 4 of the present application;

22 is a schematic diagram of the three-dimensional structure of the developing cartridge in Embodiment 4 of the present application from another angle;

23 is a schematic diagram of the three-dimensional structure of the developing cartridge in Embodiment 4 of the present application from another angle;

24 is a cross-sectional view of the developing cartridge in the vertical direction in Embodiment 4 of the present application;

25 is an exploded schematic diagram of the left end portion of the developing cartridge in Example 4 of the present application;

26 is an exploded schematic diagram of a gear train in a developing cartridge in Embodiment 4 of the present application;

27 is a schematic diagram of the three-dimensional structure of another drum cartridge in the prior art;

FIG28 is a schematic diagram of the three-dimensional structure of the developing cartridge in Example 5 of the present application;

29 is a schematic diagram of the three-dimensional structure of the developing cartridge in Embodiment 5 of the present application from another angle;

30 is a schematic diagram of the three-dimensional structure of the developing cartridge in Embodiment 5 of the present application from another angle;

31 is a schematic diagram of a side cross-sectional structure in the vertical direction of the developing cartridge in Example 5 of the present application;

32 is a schematic diagram of the exploded structure of the developing cartridge in Example 5 of the present application;

33 is a schematic diagram of a partially exploded structure of the left end portion of the developing cartridge in Example 5 of the present application;

34 is a schematic diagram of the three-dimensional structure of the protective cover, the drum connecting gear and the second connecting gear in Example 5 of the present application;

FIG35 is a schematic diagram of the three-dimensional structure of the coupling gear and the first connecting gear in Example 5 of the present application;

FIG36 is a schematic diagram of the three-dimensional structure of the third connecting gear in a longitudinal section state in Example 5 of the present application;

FIG37 is a schematic diagram of the three-dimensional structure of the detection protrusion in Example 5 of the present application;

FIG38 is a schematic diagram of a protective cover, a drum connecting gear and a plurality of connecting gears in a disassembled state in Example 6 of the present application;

39 is a schematic diagram of the left side structure of the developing box in the state where the protective cover is hidden in Example 6 of the present application;

40 is a schematic diagram of a partial three-dimensional structure of the left end portion of the developing cartridge in a state where the protective cover is hidden in Example 6 of the present application;

Figure 41 is a schematic diagram of the three-dimensional structure of the developing box in Example 7 of the present application;

Figure 42 is a cross-sectional view of a stirring frame in a developing cartridge in Example 7 of the present application;

Figure 43 is a schematic structural diagram of the left side of the developing cartridge in Example 7 of the present application;

44 is an exploded schematic diagram of the detected protrusion 150 in the state where the developing cartridge and the drum cartridge are engaged in Embodiment 7 of the present application;

Figure 45 is a schematic structural diagram of the left side of the developing cartridge in Example 8 of the present application;

46 is a schematic diagram of a partially exploded structure of the left end portion of the developing cartridge in Example 8 of the present application;

Figure 47 is a schematic diagram of a developing cartridge in Example 9 of the present application;

FIG48 is a schematic diagram of a right cover and a housing in a disassembled state in Embodiment 9 of the present application;

FIG49 is a schematic diagram of the positional relationship between the toggle member and the detection member in Example 9 of the present application;

Figure 50 is a top view of the developing box in the up and down directions when the shell is hidden in Example 9 of the present application.

DETAILED DESCRIPTION

In order to make the purpose, technical solution and technical effect of the embodiment of the present application clearer, the technical solution of the processing box of the present application will be clearly and completely described below in conjunction with the accompanying drawings. Obviously, the described embodiment is only a preferred embodiment of the present application. Rather than all the embodiments, other embodiments obtained by those skilled in the art based on the embodiments of the present application without creative work shall all fall within the protection scope of the present application.

In the following description, when referring to the direction of the developing box 100, the left and right direction of the developing roller 120 is the left and right direction (first direction), and the coupling gear 111 described later is located on the left side of the shell 111 in the left and right direction; the front and back direction (second direction) is defined as the approximate arrangement direction of the developing roller axis and the stirring frame axis, and the developing roller 120 described later is located on the front side of the stirring frame 140 in the front and back direction; the up and down direction (third direction) is a direction intersecting the first direction and the second direction.

Embodiment 1:

As shown in FIG1 , the developer cartridge 100 of the present application can be detachably mounted to the drum cartridge 50, and can be detachably mounted together with the drum cartridge 50 to the electronic photographic imaging device 10 (hereinafter referred to as the "imaging device 10"). As shown in FIG2-3 , a drum cartridge 50 in the prior art that can be matched with the developer cartridge 100 of the present application is shown, and the drum cartridge 50 includes a drum frame 51, a photosensitive drum 52, a photosensitive drum gear 53, a locking portion 54, and a pushing portion 55; the drum frame 51 is used to accommodate the developer cartridge 100; the photosensitive drum 52 is used to receive a signal from the imaging device 10 and form an electrostatic latent image, and the photosensitive drum 52 is rotatably supported on the drum frame 51 and can rotate around a photosensitive drum axis extending in the left-right direction; the photosensitive drum gear 53 is arranged on the right side of the photosensitive drum 52, and the photosensitive drum gear 53 is coaxial with the photosensitive drum 52, and is used to drive the photosensitive drum 52 to rotate, and the drum frame 51 is provided with a front end near the photosensitive drum gear 53 to make the photosensitive drum rotate. The gear 53 is exposed through an opening 511, and the photosensitive drum gear 53 is connected to a second driving member (not shown) of the imaging device 10 through the opening 511, thereby receiving the driving force of the imaging device 10 and rotating the photosensitive drum 52 and the photosensitive drum gear 53 around an axis extending in the left-right direction; the locking portion 54 is arranged on the upper right side of the drum frame 51, and is used to lock the developing box 100 inside the drum frame 51, so as to prevent the developing box 100 from falling off; the pushing portion 55 is located inside the drum frame 51 near the rear end in the front-to-back direction, and is used to provide a pushing force to the developing box 100, so that the developing roller 120 can be in close contact with the photosensitive drum 52 when the developing box 100 is installed to the drum box 50.

As shown in FIGS. 4-5 , the developing box 100 includes a housing 101, a developing roller 120, a stirring frame 140, a powder feeding roller 130, an electrode 160 and a chip 171. The housing 101 is configured to accommodate a developer, and the housing 101 has a first side and a second side separated from the first side in the left-right direction. The housing 101 also includes a handle 102b disposed at the rear side of the top of the housing 101. The developing roller 120 and the powder feeding roller 130 can be rotatably supported at the front end of the housing 101. The developing roller 120 is used to carry the developer, and the developing roller 120 can rotate around the axis of the developing roller extending in the left-right direction; the powder feeding roller 130 is used to transport the developer to the developing roller 120, and the powder feeding roller 130 can rotate around the axis of the powder feeding roller extending in the left-right direction; at least a portion of the stirring frame 140 is located inside the housing 101, and is used to stir the developer inside the housing 101.

When the developing box 100 is installed in the imaging device 10 and performs imaging operations, the developing box 100 needs to receive driving force from the imaging device 10 to drive the developing roller 120, the powder feeding roller 130 and the stirring frame 140 to rotate; the developing box 100 includes a coupling gear 111 arranged on the first side of the shell 101 in the left-right direction, and the coupling gear 111 can be connected to a first driving member (not shown) inside the imaging device 10 to receive the driving force of the imaging device 10 and rotate around the axis of the coupling gear 111 extending in the left-right direction. The coupling gear 111 transmits the driving force to the developing roller 120, the powder feeding roller 130 and the stirring frame 140 to rotate around their respective axes extending in the left-right direction. Specifically, the left end of the developing roller 120 in the left-right direction is connected to the developing roller gear 112, the left end of the stirring frame 140 in the left-right direction is connected to the stirring frame gear 114, and the left end of the powder feeding roller 130 in the left-right direction is connected to the powder feeding roller gear 113. The developing roller gear 112 and the powder feeding roller gear 113 are respectively meshed with the coupling gear 111, and the stirring frame gear 114 is meshed with the coupling gear 111 through the idler gear 116 serving as a transmission gear, so that after receiving the driving force from the imaging device 10, the coupling gear 111 can drive the developing roller gear 112, the stirring frame gear 114 and the powder feeding roller gear 113 to rotate around their respective axes extending in the left-right direction, thereby driving the developing roller 120, the stirring frame 140 and the powder feeding roller 130 to rotate respectively, thereby realizing the transportation of the developer in the developing box 100.

The developer box 100 further includes a powder knife 109 disposed between the housing 101 and the developer roller 120 in the front-to-back direction, and the powder knife 109 is used to adjust the thickness of the developer covering the outer surface of the developer roller 120. The electrode 160 can be electrically connected to at least one of the developer roller 120, the powder feeding roller 130 and the powder knife 109. In this embodiment, the electrode 160 is disposed on the second side of the housing 101. Specifically, the electrical contact portion 161 of the electrode 160 is exposed on the second side of the housing 101 in the second direction; when the developer box 100 is connected to the imaging device 10, the electrical contact portion 161 can be connected to a power supply member (not shown) of the imaging device 10 to receive power from the imaging device 10 and transmit it to at least one of the developer roller 120, the powder feeding roller 130 and the powder knife 109 to make the developer delivery smoother. Chip 171 is used to store information of the developer box 100. Chip 171 has an electrical contact surface 171a that can be electrically connected to the imaging device 10. Chip 171 is arranged on the first side of the shell 101. In this embodiment, the electrical contact surface 171a is located at the bottom of the left protective cover 103 and is arranged toward the bottom of the left protective cover 103 in the up and down directions. The electrical contact surface 171a overlaps with at least a part of the transmission component described later in the left and right directions.

After the developing cartridge 100 is installed in the imaging device 10, the detecting member (not shown) of the imaging device 10 needs to detect the developing cartridge 100 to determine whether the developing cartridge 100 is new or old. As shown in FIG5 , the developing cartridge 100 includes a detected protrusion 150, which is movable relative to the housing 101. The detected protrusion 150 moves to toggle the detecting member (not shown) in the imaging device 10 to provide the imaging device 10 with information such as whether the developing cartridge 100 is new. Specifically, the detected protrusion 150 moves to toggle the detecting member in the imaging device 10 to provide the imaging device 10 with information such as whether the developing cartridge 100 is new or old. information.

The developing cartridge further includes a transmission component, which can receive a driving force from the outside of the developing cartridge 100 independently of the coupling gear 111 and drive the detected protrusion 150 on the developing cartridge 100 to move so as to shift the detection member in the imaging device 10, so that the imaging device 10 can identify the new and old information of the developing cartridge 100. Specifically, the transmission component can receive a driving force from the outside of the developing cartridge 100 for driving the detected protrusion 150 on the developing cartridge 100 independently of the coupling gear 111 to drive the detected protrusion 150 to move.

In this embodiment, the transmission component is configured as a drum connection gear 180 that can be connected to the photosensitive drum gear 53 in the drum cartridge 50. The drum connection gear 180 is configured so that when the developing cartridge 100 is engaged with the drum cartridge 50, the drum connection gear 180 is connected to the photosensitive drum gear 53 to receive the driving force of the photosensitive drum gear 53, and transmits the driving force to the detected protrusion 150 through the transmission member. Further, the driving force transmitted by the drum connection gear 180 and the driving force transmitted by the coupling gear 111 operate independently of each other, and the transmission of the driving force between the drum connection gear 180 and the detected protrusion 150 is not affected by the coupling gear 111 and the driving force transmitted by it; compared with the prior art, the detected protrusion 150 in this application is less disturbed during operation, so that the information transmitted by the movement of the detected protrusion 150 to the imaging device 10 is more accurate.

As shown in Figure 6, the drum connecting gear 180 is sleeved on the left end of the outer surface of the developing roller shaft 122 of the developing roller 120 in the left-right direction, and the drum connecting gear 180 can rotate relative to the developing roller shaft 122; after receiving the driving force of the photosensitive drum gear 53, the drum connecting gear 180 can rotate around the drum connecting gear axis extending in the left-right direction, and the drum connecting gear axis is coaxial with the axis of the developing roller 120 and the developing roller gear 112. Of course, in other implementations of this embodiment, there may be deviations in the drum connecting gear axis, but this is not a limitation. What needs to be limited is that the drum connecting gear axis is roughly the same as the axis of the developing roller 120 and the developing roller gear 112 to ensure the connection between the drum connecting gear 180 and the photosensitive drum gear 53.

The developing roller gear 112 is connected to the coupling gear 111, and the drum connecting gear 180 rotates independently of the developing roller gear 112 and the coupling gear 111. Specifically, the drum connecting gear 180 is spaced apart from the developing roller gear 112 and the coupling gear 111 in the left-right direction. It can also be said that the drum connecting gear 1800 is independently arranged with the developing roller gear 112, and in the left-right direction, the drum connecting gear 180 is closer to the second side of the shell 111 than the developing roller gear 112 to avoid interference between the two.

When installing the developing cartridge 100 to the drum cartridge 50, the user moves the developing cartridge 100 from top to bottom to the top of the drum frame 51, and then the user pushes the developing cartridge 100 downward, so that the developing cartridge 100 is pushed downward to the inside of the drum frame 51. At this time, the developing cartridge 100 is acted upon by the locking portion 54, and the developing cartridge 100 is locked inside the drum cartridge 50. At the same time, the developing cartridge 100 is pushed by the pushing portion 55, so that the developing roller 120 is kept in close contact with the photosensitive drum 52, and the drum connecting gear 180 is stably meshed with the photosensitive drum gear 53, so that the drum connecting gear 180 can stably receive the photosensitive drum gear 53. With the driving force, when the imaging device 10 performs an imaging operation, the developer on the developing roller 120 moves to the photosensitive drum 52, so that the electrostatic latent image formed on the photosensitive drum 52 can be converted into a developer image visible to the naked eye.

As shown in Figures 5 and 8, in this embodiment, the developing box 100 further includes a driving gear 115, a transmission rod 151 and an elastic retaining member 152, and the detected protrusion 150 is located above the second side of the housing 101 in the left-right direction; at least one intermediate transmission gear for transmitting driving force is provided between the drum connecting gear 180 and the driving gear 115 of the detected protrusion 150, as shown in Figures 7-9, in this embodiment, there are three intermediate transmission gears, namely, the first intermediate transmission gear 181, the second intermediate transmission gear and the third intermediate transmission gear 183. The intermediate transmission gear can rotate around an axis extending in the left-right direction, and the rotation axis of the intermediate transmission gear is located between the rotation axis of the transmission component and the detected protrusion 150 in the front-back direction.

Furthermore, in this embodiment, as shown in Figures 7-9, the first intermediate transfer gear 181 is meshed with the drum connecting gear 180, the second intermediate transfer gear 182 has a large gear portion and a small gear portion, and the third intermediate transfer gear 183 has a large gear portion and a small gear portion. The large gear portion of the second intermediate transfer gear 182 is meshed with the first intermediate transfer gear 181, the small gear portion of the second intermediate transfer gear 182 is meshed with the large gear portion of the third intermediate transfer gear 183, and the small gear portion of the third intermediate transfer gear 183 is meshed with the gear portion on the outer surface of the driving gear 115. Through this arrangement, the rotation speed of the driving gear 115 can be reduced, thereby further improving the stability of the movement of the detected protrusion 150.

Preferably, in order to avoid affecting the meshing of the drum connecting gear 180 with the photosensitive drum gear 53, the outer diameter of the drum connecting gear 180 is larger than the outer diameter of the developing roller gear 112. When the drum connecting gear 180 is meshed with the photosensitive drum gear 53, the developing roller gear 112 cannot come into contact with the photosensitive drum gear 53, so that the drum connecting gear 180 can smoothly receive the driving force of the photosensitive drum gear 53 and drive the detected protrusion 150 as the detected component to move the detection component of the imaging device 10.

To facilitate the meshing of the drum connecting gear 180 with the photosensitive drum gear 53, in the present embodiment, the drum connecting gear 180 is constructed as a spur gear inside the spur tooth portion of the photosensitive drum gear 53. When the developing box 100 is engaged with the drum box 50, the drum connecting gear 180 can quickly mesh with the photosensitive drum gear 53. Correspondingly, the gear portions of the intermediate transfer gear and the driving gear 115 can also be set to a spur tooth structure.

In other implementations of this embodiment, the drum connecting gear 180 can also be constructed as a helical gear that meshes with the helical tooth portion of the photosensitive drum gear 53, which has a transmission effect similar to that of a spur gear; the gear portion of the intermediate transmission gear and the driving gear 115 can also be adapted to be set to a helical tooth structure.

In another embodiment, the drum connecting gear 180 can also be configured as an elastic wheel with an elastic outer surface, and specifically can be configured as a rubber wheel with a rubber material that can be elastically deformed attached to the surface; the drum connecting gear 180 and the photosensitive drum gear 53 When in contact, the rubber material on the surface of the drum connecting gear 180 can be deformed according to the shape of the photosensitive drum gear 53 after being subjected to the thrust force generated when the developing cartridge 100 and the drum cartridge 50 are engaged, so that the drum connecting gear 180 can mesh with both the straight tooth portion of the photosensitive drum gear 53 and the helical tooth portion of the photosensitive drum gear 53, thereby improving the applicability of the drum connecting gear 180; when the photosensitive drum gear 53 is driven by the imaging device 10 to rotate, a friction force in the opposite direction of the rotation direction of the photosensitive drum gear 53 is generated between the drum connecting gear 180 and the photosensitive drum gear 53, and the drum connecting gear 180 is driven by the friction force to rotate with the rotation of the photosensitive drum gear 53. Further, the drum connecting gear 180 can also be frictionally connected with the outer surface of the photosensitive drum 52 to receive the driving force of the photosensitive drum and drive the detected protrusion 150 to move.

Next, a process in which the developing cartridge 100 is detected by the detecting member of the image forming apparatus 10 will be described in detail.

First, the user installs the developer cartridge 100 together with the drum cartridge 50 into the imaging device 10. The connection between the electrical contact surface 171a in the developer cartridge 100 and the imaging device 10 enables the imaging device 10 to detect that the developer cartridge 100 is installed. At this time, the imaging device 10 starts pre-rotation under the control of a control mechanism (not shown). The imaging device 10 drives the photosensitive drum gear 53 to rotate through a driving member (not shown). The photosensitive drum gear 53 transmits the driving force to the drum connecting gear 180 meshing therewith, and then the drum connecting gear 180 drives the driving gear 115 to rotate through an intermediate transmission gear. When the driving gear 115 rotates, the driving gear 115 passes through a side close to the housing 101. The protrusion 115a contacts the transmission rod 151 to push the transmission rod 151 to move to the right; further, the protrusion 115a is constructed to have multiple protrusions of different heights, and the elastic retaining member 152 is arranged between the transmission rod 151 and the shell 100, which can maintain the movement trend of the transmission rod 151 to the left (close to the direction of the driving gear 115); when the driving gear 115 rotates, the elastic retaining member 152 and the protrusion 115a respectively alternately apply a leftward or rightward thrust to the transmission rod 151, thereby causing the transmission rod 151 to reciprocate in the left and right directions; the transmission rod 151 drives the detected protrusion 150 fixedly connected to the transmission rod 151 to move. That is, the transmission rod 151 can move according to the rotation of the drum connecting gear 180, and the detected protrusion 150 moves according to the movement of the transmission rod 151; the movement of the detected protrusion 150 will toggle the detection component (not shown) in the imaging device 10 to provide the imaging device 10 with information such as whether the developing box 100 is a new box; preferably, the elastic retaining member 152 is constructed as a spring.

Embodiment 2:

Next, the embodiment 2 of the present application will be introduced. As shown in Figures 10-14, a developing box 100 of the embodiment 2 is shown. The same parts as those in the above-mentioned embodiment 1 will not be repeated here. The difference is that the gear system in this embodiment is different from that in the above-mentioned embodiment 1. In this embodiment, the stirring frame gear 114 is no longer connected to the coupling gear 111 in transmission. The stirring frame gear 114 and a plurality of intermediate connecting gears are arranged between the drum connecting gear 180 and the detected protrusion 150. The stirring frame gear 114 is connected to the left end of the stirring frame 151 and can rotate around the stirring frame axis together with the stirring frame 150. The driving gear 115 is connected to the stirring frame gear 114. 114 is meshed, and a first intermediate connecting gear 181 and a second intermediate connecting gear 182 are arranged between the stirring frame gear 114 and the drum connecting gear 180; preferably, the first intermediate connecting gear 181 is coaxial with the coupling gear 111, and the second intermediate connecting gear 182 is meshed with the first intermediate connecting gear 181 and the stirring frame gear 114 respectively. After the imaging device 10 is started, the imaging device 10 transmits the driving force to the photosensitive drum gear 53, and the drum connecting gear 180 receives the driving force and rotates around the developing roller shaft 122 through its connection with the photosensitive drum gear 53, and the drum connecting gear 180 drives the stirring frame gear 114 to rotate through the first intermediate connecting gear 181 and the second intermediate connecting gear 182, and the stirring frame gear 114 drives the stirring frame 150 to rotate to stir the developer inside the housing 101, and at the same time, the stirring frame gear 114 drives the driving gear 115 to rotate.

Embodiment 3:

Next, Example 3 of the present application will be introduced. As shown in Figures 15-20, a developing box 100 of Example 3 is shown. The parts that are the same as those in the above-mentioned Examples 1-2 will not be repeated here. The difference is that the transmission member and the driving force transmission device for transmitting the driving force from the transmission member to the detected protrusion in this implementation are different from the developing box 100 in the above-mentioned Examples 1-2; specifically, the developing box 100 of this embodiment adopts a rack 380 instead of the drum connecting gear 180 to be connected to the photosensitive drum gear 53 to receive the driving force, and the rack 380 is preferably a soft rack; at least a portion of the rack 380 is located in front of the developing roller shaft 122 in the front-to-back direction, and the rack 380 includes a first meshing portion 381 arranged on one side of the rack 380 and a second meshing portion 382 cross-arranged on the other side of the rack 380. Preferably, the first meshing portion 381 and the second meshing portion 382 are arranged vertically. A missing tooth portion 383 is provided at one end of the first tooth portion 594 of the rack 380 near the downstream end of the moving direction X of the rack 380 (away from the photosensitive drum gear 53). When the photosensitive drum gear 53 drives the rack 380 to move to a position where the missing tooth portion 383 of the rack 380 contacts the photosensitive drum gear 53, the first meshing portion 381 of the rack 380 no longer meshes with the photosensitive drum gear 53, thereby no longer receiving the driving force of the photosensitive drum gear 53, thereby reducing the load on the photosensitive drum gear 53 and facilitating increasing the service life of the imaging device 10.

The left wall of the shell 101 extends outward in the left-right direction to form a support portion 370 for supporting the rack 380, and a plurality of support portions 370 are provided. Specifically, the support portion 370a is formed by extending outward from a bearing plate located on the left side of the shell 101, and at least a portion of the support portion 370a is arranged in front of the developing roller shaft 122 in the front-to-back direction to support the first engaging portion 381 of the rack 380 to engage with the drum gear 151. The support portion 370b extends outward from a position close to the rear side of the left wall of the shell 101 in the front-to-back direction to support the second engaging portion 382 of the rack 380 to engage with the first intermediate transfer gear 181 described later. A guide groove 360 for accommodating the rack 380 is provided on one side of the left protective cover 103 close to the powder bin 102a; optionally, in other embodiments, the support portion 370 may also be formed by extending inward from the inner side of the left protective cover 103, and similarly, the guide groove 360 is arranged on the side of the powder bin 102a close to the left protective cover 103. When the developing cartridge 100 is mounted to the drum cartridge 50, the rack 380 is meshed with the photosensitive drum gear 53; After the photosensitive drum gear 53 and the drum cartridge 50 are installed in the imaging device 10 together, the photosensitive drum gear 53 is connected to the drum driving member (not shown) inside the imaging device 10 to receive the driving force of the imaging device 10, and rotates around an axis extending in the left-right direction, and the photosensitive drum gear 53 drives the rack 380 to move along the guide groove 360 toward the downstream in the moving direction X of the rack 380. The movement of the rack 380 can drive the detected protrusion 150 to move relative to the housing 101, and move the detection member inside the imaging device 10 to transmit information such as the new and old, model and capacity of the developing cartridge 100 to the imaging device 10.

The developing box 100 also includes a driving force transmission component that transmits the driving force from the rack 380 to the detected protrusion 150. The driving force transmission component includes but is not limited to a plurality of connecting gears, a driving gear 115 and a transmission rod 150 arranged on the top of the shell 101. The plurality of connecting gears and the driving gear 115 can rotate around an axis extending in a direction intersecting the left and right directions. Preferably, the plurality of connecting gears and the driving gear 115 can rotate around an axis extending in an up and down direction perpendicular to the left and right directions; specifically, a first intermediate transfer gear 181 and a second intermediate transfer gear 182 are arranged on the top of the shell 101, and the first intermediate transfer gear 181 and the second intermediate transfer gear 182 can rotate around an axis extending in the up and down directions; the first intermediate transfer gear 181 is connected to the second meshing portion 382 of the rack 380, and the first intermediate transfer gear 181 is connected to the second intermediate transfer gear 182, and the second intermediate transfer gear 182 is meshedly connected to the driving gear 115. The driving gear 115 includes a contact portion 115c and a plurality of grooves 115d, and the transmission rod 150 includes a forced push surface 151a, which abuts against the driving gear 115. When the driving gear 115 rotates, in the process of the contact point between the driving gear 115 and the forced push surface 151a moving from the surface of the contact portion 115c of the driving gear 115 to the inside of the groove 115d, under the action of the elastic member 515, the transmission rod 150 moves from right to left in the left-right direction; and in the process of the contact point between the driving gear 115 and the forced push surface 151a moving from the inside of the groove 115d of the driving gear 115 to the surface of the contact portion 115c, the driving gear 115 applies a forced push force in the left-right direction close to the right side of the developing box 100 to the forced push surface 151a, thereby causing the transmission rod 150 to move from left to right in the left-right direction, and the transmission rod 150 drives the detection protrusion 513 to move. Furthermore, a plurality of grooves 115d are provided at intervals on the driving gear 115. Under the action of the elastic member 515 and the grooves 115d of the driving gear 115, the transmission rod 150 reciprocates in the left-right direction, thereby driving the detected protrusion 150 to reciprocate in the left-right direction or the front-back direction relative to the shell 101, and moving the detection component inside the imaging device 10 to transmit information such as the newness or oldness of the developing box 100 to the imaging device 10.

Furthermore, the first intermediate transmission gear 181 and the second intermediate transmission gear 182 are both double gears, that is, the first intermediate transmission gear 181 and the second intermediate transmission gear 182 also include a large gear portion and a small gear portion, thereby reducing the moving speed of the detected protrusion 150 and making the detected protrusion 150 move more smoothly to improve the stability of the detected protrusion 150; specifically, as shown in Figures 23 and 27, the first intermediate transmission gear 181 includes a large gear portion 181b and a small gear portion 181a, and the first intermediate transmission gear 181 includes a large gear portion 181b and a small gear portion 181a. The second intermediate transfer gear 182 includes a large gear portion 182a and a small gear portion 182b; the second meshing portion 382 of the rack 380 meshes with the large gear portion 181b of the first intermediate transfer gear 181, the small gear portion 181a of the first intermediate transfer gear 181 meshes with the large gear portion 182a of the second gear 512, and the small gear portion 182b of the second gear 512 meshes with the tooth portion of the driving gear 115; through the above-mentioned structural arrangement of the intermediate transfer gears, the rotation speed of the driving gear 115 can be effectively reduced, thereby reducing the moving speed of the detected protrusion 150 on the detection component in the imaging device 10, so as to improve the accuracy of the information transmitted by the detected protrusion 150 to the imaging device 10.

Embodiment 4:

Next, the embodiment 4 of the present application will be introduced. As shown in Figures 21-26, a developing box 100 of the embodiment 4 is shown. The same parts as those in the above-mentioned embodiments 1-3 are not repeated here. The difference is that the arrangement of the intermediate transmission gear between the drum connecting gear 180 and the detected protrusion 150 as the transmission component in this embodiment is different from that in the above-mentioned embodiments 1-3; Figures 21-26 of this embodiment show a developing box 100. In the developing box 100 of this embodiment, the stirring frame 140 described in the above-mentioned embodiment is no longer provided, that is, the accommodating chamber 102a at the rear end of the powder feeding roller 130 is There is no stirring frame 140 for stirring the developer (the stirring frame 140 is defined as being used to change the developer in the accommodating chamber 102a into a flying state). In other words, the accommodating chamber 102a has and only has one rotating member extending from the left end to the right end of the shell 101 and at least a part of which is exposed in the accommodating chamber 102a. In this embodiment, the rotating member is a powder feeding roller 130. Based on this structure, along the driving force transmission direction from the drum connecting gear 180 to the detected protrusion 150, there is no need to provide a stirring frame gear 114 for driving the stirring frame to rotate 140. Therefore, the stirring frame gear 114 provided on the drum connecting gear The multiple gears between the wheel 180 and the detected protrusion 150 are all intermediate transmission gears that are not connected to the rotating member. The rotating member is constructed as a component that extends from the left end of the shell 101 to the right end of the shell 101 and is rotatable relative to the shell 101. Through the driving force transmission of the intermediate transmission gear, the detected protrusion 150 can receive the driving force transmitted from the drum connecting gear 180 and move; preferably, there are 4 intermediate transmission gears, and along the direction of the driving force transmission of the drum connecting gear 180, a first intermediate transmission gear 181, a second intermediate transmission gear 182, a third intermediate transmission gear 183 and a driving gear 184 are sequentially arranged. Gear 115, the first intermediate transfer gear 181 receives the driving force from the drum connecting gear 180; the second intermediate transfer gear 182 and the third intermediate transfer gear 183 are both double gears with two gear parts of different sizes, so as to reduce the faster rotation speed received by the first intermediate transfer gear 181, and the rotation speed of the driving gear 115 is reduced to the rated speed after being decelerated by the second intermediate transfer gear 182 and the third intermediate transfer gear 183, so as to reduce the moving speed of the detected protrusion 150 on the detection component, thereby reducing the moving error of the detected protrusion 150 and improving the accuracy of information transmission.

The arrangement of the gears in the above description is not limiting, and in other implementations of this embodiment, a driving force transmission structure such as a friction wheel may also be used to transmit the driving force.

Furthermore, a plurality of protrusions are provided on one side of the driving gear 115 close to the protrusion 150 to be detected. During the rotation process, the forced pushing surface 151a of the transmission rod 151 is pushed by multiple protrusions at intervals, causing the transmission rod 151 to move from left to right. However, in the gap between the forced pushing surface 151a and the protrusion, the elastic retaining member 152 can apply a forced pushing force from right to left in the left-right direction to the transmission rod 151, causing the transmission rod 151 to move from right to left. Under the joint action of the driving gear 115 and the elastic retaining member 152, the transmission rod 151 moves back and forth in the left-right direction, and is operationally connected to the detected protrusion 150 through the connecting column 151c at the right end of the transmission rod 151, and the transmission rod 151 drives the detected protrusion 150 to move in the front-rear direction.

Similar to the above-mentioned embodiment, the drum connecting gear 180 is connected to the left end portion of the developing roller shaft 122. When the developing box 100 is installed to the drum box 50, the drum connecting gear 180 is connected to the photosensitive drum gear 53 of the drum box 50. The drum connecting gear 180 can receive the driving force of the photosensitive drum gear 53 and rotate around the developing roller axis extending in the left and right directions; that is, the drum connecting gear 180 is arranged roughly coaxially with the developing roller gear 112.

Moreover, in the present embodiment, the detected protrusion 150 is farther away from the axis of the developing roller in the front-to-back direction than the electrical contact surface of the electrode 160, and the electrical contact surface 105a is arranged at a position closer to the front side of the shell 101 in the front-to-back direction than the rear side of the shell 101, that is, the electrical contact surface 105a is arranged on the left side of the shell 101 in the left-to-right direction so as to make it as far away from the electrode 160 as possible to avoid electrical interference between the two during operation, and the electrical contact surface 171a is arranged on the front side of the shell 101 in the front-to-back direction so as to be as close as possible to rotating parts such as the developing roller 120, the coupling gear 111 and the drum connecting gear 180 in the front-to-back direction, thereby reducing the vibration of the electrical contact surface 171a during the imaging operation of the developing box 100, and improving the electrical contact stability between the electrical contact surface 171a and the imaging device 10.

Embodiment 5:

Next, the embodiment 5 of the present application will be introduced. As shown in Figures 27-37, a developing box 100 of the embodiment 5 is shown. The same parts as those in the above-mentioned embodiments 1-4 are not repeated here. The difference is that the driving force transmission component between the detection protrusions 150 of the transmission component of this embodiment has a different structure. As shown in Figure 32, the coupling gear 111 includes a coupling portion 111a and a gear portion 111b. The coupling portion 111a of the coupling gear 111 can be connected to a driving member (not shown) inside the imaging device 10 to receive the driving force from the imaging device 10 and rotate around the coupling gear axis extending in the left and right directions. The developing roller gear 112, the powder feeding roller gear 113 and the stirring frame gear 114 are meshed with the gear portion 111b of the coupling gear 111. After the coupling gear 111 receives the driving force from the imaging device 10, the coupling gear 111 can drive the developing roller gear 112, the stirring frame gear 114 and the powder feeding roller gear 113 to rotate. As shown in FIG. 30 , the developer cartridge 100 further includes a forced-pushing protrusion 106 located near the fourth side of the housing 101 in the front-to-back direction and a locked protrusion 107 located near the fourth side in the front-to-back direction and near the second side in the left-to-right direction. The forced-pushing protrusion 106 is used to receive the forced-pushing force of the forced-pushing portion 55 in the drum cartridge 50 so that the developing roller 120 can be in close contact with the photosensitive drum 52; the locked protrusion 107 is used to cooperate with the locking portion 54 in the drum cartridge 50 to lock the developer cartridge 100 on the drum frame. The interior of 51.

As shown in Figures 32-33, the developing box 100 also includes a detected protrusion 150 arranged on the second side of the shell 101. The detected protrusion 150 can move relative to the shell 101 and move a detection component (not shown) inside the imaging device 10, thereby transmitting information such as the newness and capacity of the developing box 100 to the imaging device 10. The shell 101 also includes a right protective cover 104 for protecting the detected protrusion 150. At least a portion of the detected protrusion 150 passes through the right protective cover 104 in the left-right direction to be exposed on the second side of the shell 101. When the developing box 100 is installed on the imaging device 10, the detected protrusion 150 can also be connected to the power supply member (not shown) of the imaging device 10 to transmit the power from the imaging device 10 to the developing roller 120, the powder feeding roller 130 and/or the powder knife 109 to ensure the normal delivery of the developer. The powder knife 109 is used to adjust the thickness of the developer covering the developing roller 120. That is, as shown in Figure 28, in this embodiment, the detected protrusion 150 is integrally arranged with the electrode 160 in the above embodiment. Of course, in other embodiments, the electrode 160 can also be fixedly arranged on the second side of the housing 101. The chip 171 and its electrical contact surface 171a are arranged on the first side of the housing 101 in the left-right direction. In the left-right direction, the electrical contact surface 171a is farther away from the second side of the housing 101 than the transmission component. In the front-to-back direction, the electrical contact surface 171a is farther away from the transmission component than the coupling gear 111. In this way, there is no overlapping part between the transmission component and the electrical contact surface 171a in the front-to-back direction and the left-to-right direction, avoiding mutual interference.

The gear system of the developer box 100 also includes a drum connecting gear 180 for receiving a driving force to drive the detected protrusion 150 to move, and a plurality of connecting gears for transmitting the driving force from the drum connecting gear 180 to the detected protrusion 150. Specifically, when the developer box 100 is installed to the drum box 50, the drum connecting gear 180 is connected to the photosensitive drum gear 53 in the drum box 50 to receive the driving force of the photosensitive drum gear 53. A first intermediate transmission gear 181, a second intermediate transmission gear 182, an inner spiral member 153, a transmission rod 151 and a lifting member 154 are provided between the drum connecting gear 180 and the detected protrusion 150; at least one of the first intermediate transmission gear 181 and the second intermediate transmission gear 182 is provided as a double gear, and the double gear includes two gear parts of different sizes, so that the moving speed of the driving force transmitted from the drum connecting gear 180 to the detected protrusion 150 can be reduced, so that the movement of the detected protrusion 150 is smoother. In this embodiment, the second intermediate transmission gear 181 is provided as a double gear. 2 is set as a double gear as an example; the second intermediate transmission gear 182 includes a large gear portion 182a and a large gear portion 182b, the first intermediate transmission gear 181 is meshed with the drum connecting gear 180, the first intermediate transmission gear 181 is meshed with the large gear portion 182a of the second intermediate transmission gear 182, and the large gear portion 182b of the second intermediate transmission gear 182 is meshed with the gear portion 153a of the inner spiral member 153, thereby reducing the moving speed of the first intermediate transmission gear 181 to transmit the driving force to the detected protrusion 150; in addition, the inner spiral member 153 includes a gear portion 153a and an operating portion 153b, the operating portion 153b of the inner spiral member 153 is operatively connected to the transmission rod 151, and the lifting member 154 is operatively connected to the transmission rod 151; the lifting member 154 is transmission connected to the detected protrusion 150, that is, under the action of the first intermediate transmission gear 181, the second intermediate transmission gear 182, the inner screw member 153, the transmission rod 151 and the lifting member 154, the detected protrusion 150 can move according to the rotation of the drum connecting gear 180.

Further, as shown in Figures 32-36, the drum connecting gear 180 is spaced apart in the left-right direction and is located on the left side of the developing roller gear 112, that is, in the left-right direction, the drum connecting gear 180 is farther away from the second side of the housing 111 than the developing roller gear 112, and the drum connecting gear 180 is coaxially arranged with the developing roller 120; the first intermediate transmission gear 181 is sleeved on the outer surface of the coupling portion 111a in the coupling gear 111, that is, the first intermediate transmission gear 181 is coaxially arranged with the coupling gear 111, and the first intermediate transmission gear The wheel 181 rotates independently of the coupling gear 111; the inner spiral member 153 rotates independently of the stirring frame gear 114, a hole 153b1 is provided inside the operating portion 153b, and a spiral groove 153b2 is provided on the inner wall of the hole 153b1; the transmission rod 151 is constructed as a rod extending from the first side to the second side of the housing 101, and the transmission rod 151 includes a sliding protrusion 151d located at the left end of the transmission rod 151 and capable of cooperating with the spiral groove 153b2. When the inner spiral member 153 rotates, the sliding protrusions 151d on the spiral groove 153b2 are engaged with each other. The lifting member 151d applies a forced thrust from left to right in the left-right direction, so that the spiral groove 153b2 pushes the transmission rod 151 from left to right through the sliding protrusion 151d, and the right end of the transmission rod 151 is connected to the lifting member 154, so that the lifting member 154 moves from left to right together with the transmission rod 151; the lifting member 154 has at least one force-applying surface 154a, and the detected protrusion 150 includes a force-bearing protrusion 151b that cooperates with the force-applying surface 154a of the lifting member 154. During the process, the force-applying surface 154a applies an upward force in the up-down direction to the force-receiving protrusion 151b of the detected protrusion 150, so that the force-receiving protrusion 151b drives the detected protrusion 150 to move in the up-down direction relative to the shell 101 to move the detection component inside the imaging device 10 to transmit the new and old information of the developing box 100 to the imaging device 10, and record it in the imaging device 10. When the developer in the developing box 100 is about to be consumed, the imaging device 10 can prompt the user to replace the new developing box 100 through the operation panel.

Optionally, in other embodiments of the present application, the configuration of the gears is not limited, and the gears may also be configured as a transmission method of driving force such as a rubber wheel, a friction wheel, etc. to ensure smooth transmission of the driving force.

Optionally, as shown in Figure 35, the coupling part 111a and the gear part 111b in the coupling gear 111 adopt a detachable split structure. Specifically, the coupling part 111a and the gear part 111b are detachably connected by means of elastic buckles or screws; when the coupling part 111a and the gear part 111b are connected, the gear part 111b rotates together with the coupling part 111a, and an annular groove 111c for accommodating the first intermediate transfer gear 181 is formed between the coupling part 111a and the gear part 111b to limit the movement of the first intermediate transfer gear 181 in the left and right directions.

Optionally, the right end of the transmission rod 151 and the left end of the lifting member 154 are connected by elastic buckles or screws. The movable rod 151 may also be formed integrally with the lifting member 154 .

Optionally, as shown in Figure 37, the detected protrusion 150 includes a plurality of force-bearing protrusions 151b. Specifically, the detecting component inside the imaging device 10 applies a thrust to the detected protrusion 150 in the up-down direction of the developing box 100 to move the detected protrusion 150 downward. During the movement of the lifting member 154 from left to right, the force-applying surface 154a of the lifting member 154 sequentially contacts the force-bearing protrusions 151b of the detected protrusion 150 and applies an upward thrust to the detected protrusion 150a in the up-down direction of the developing box 100 in turn. Under the thrust of the lifting member 154 and the detecting component in the imaging device 10 respectively on the detected protrusion 150, the detected protrusion 150 moves back and forth in the up-down direction relative to the shell 101, so that the detected protrusion 150 repeatedly moves the detecting component to transmit more information to the imaging device 10. In different models of developing cartridges 100 , the sizes and intervals of the force-bearing protrusions 151 b have different settings, and the detected protrusions 150 toggle the detecting member at different frequencies and amplitudes so that the imaging device 10 can identify different models of developing cartridges 100 .

Optionally, as shown in FIG34 , the drum connection gear 180 and the second intermediate transfer gear 182 are connected to the inner side of the left protective cover 103. Specifically, the first support column 103a and the second support column 103b extend inward from the inside of the left protective cover 103. The drum connection gear 180 is connected to the outer surface of the first support column 103a, and the second intermediate transfer gear 182 is connected to the outer surface of the second support column 103b. The drum connection gear 180 and the second intermediate transfer gear 182 can both rotate independently of the left protective cover 103. In other embodiments of the present application, the drum connection gear 180 can also be connected to the left end of the developing roller shaft 122 in the developing roller 120, and the drum connection gear 180 can rotate independently of the developing roller shaft 122.

Optionally, as shown in Figure 32, the inner spiral member 153 is coaxially arranged with the stirring frame gear 114 in the inner cavity opened by the stirring frame gear 114, and a cavity is opened inside the stirring frame 140, and the transmission rod 151 passes through the cavity of the stirring frame 140. The transmission rod 151 can move independently of the stirring frame 140, thereby making the space inside the developing box 100 more compact, which is conducive to realizing the demand for miniaturization of the developing box 100.

The process of the detected protrusion 150 in the developing cartridge 100 moving the internal detection member of the imaging device 10 will be described in detail below:

When the developer box 100 of the present application is used, the user first installs the developer box 100 into the inside of the drum box 50, and then installs the two together into the inside of the imaging device 10. After installation, the user starts the imaging device 10, and the imaging device 10 starts pre-rotation and drives the photosensitive drum gear 53 inside the drum box 50 to rotate through the drum driving component. Through the connection between the photosensitive drum gear 53 and the drum connecting gear 180, the photosensitive drum gear 53 drives the drum connecting gear 180 to rotate, and the drum connecting gear 53 drives the inner spiral member 153 to rotate through the first intermediate transmission gear 181 and the second intermediate transmission gear 182. The rotation of the inner spiral member 153 causes the operating portion 153b to push the transmission rod 151 to move from left to right, and the lifting member 154 moves with the movement of the transmission rod 151. When the lifting member 154 moves from left to right, the lifting member 154 is rotated. During the movement to the right, the force-applying surface 154a of the lifting member 154 moves to apply an upward thrust to the force-receiving protrusion 151b of the detected protrusion 150, thereby causing the detected protrusion 150 to move upward relative to the shell 101, and causing the detected protrusion 150 to move the detection component inside the imaging device 10, so that the developing box 100 transmits information such as the newness or oldness of the developing box 100 to the imaging device 10, and records it in the imaging device 10. When the developer in the developing box 100 is about to be consumed, the imaging device 10 can prompt the user to replace the new developing box 100 through the operation panel.

After the detection operation of the developing box 100 is completed, under the push of the spiral groove 153b2, the transmission rod 151 drives the sliding protrusion 151d to leave the spiral groove 153b2 from left to right, thereby disconnecting the internal spiral 153 from the transmission rod 151, and ending the driving of the drum connecting gear 180 on the detected protrusion 150, thereby avoiding the influence of the drum connecting gear 180 on subsequent imaging operations and improving the imaging quality of the developing box 100.

Embodiment 6:

Next, the embodiment 6 of the present application will be introduced. As shown in Figures 38-42, a developing box 100 of the embodiment 6 is shown. The same parts as those in the above-mentioned embodiments 1-5 are not repeated here. The difference is that in this embodiment, the first intermediate transmission gear 181 coaxial with the coupling gear 111 is no longer provided. In this embodiment, a fourth intermediate transmission gear 185 and a fifth intermediate transmission gear 186 are also connected between the detected protrusion 150 of the developing box 100 and the drum connecting gear 180. The fourth intermediate transmission gear 185 and the fifth intermediate transmission gear 186 are located below the coupling gear 111 in the up and down directions, and the fourth intermediate transmission gear 185 and the fifth intermediate transmission gear 186 are spaced apart from the gear portion 111b of the coupling gear 111 on the left and right sides. The drum connecting gear 180, the fourth intermediate transmission gear 185, the fifth intermediate transmission gear 186, the second intermediate transmission gear 182 and the inner spiral member 153 are arranged sequentially from front to back in the front and back directions; and the fourth intermediate transmission gear 185 and the fifth intermediate transmission gear 186 are not in contact with the coupling gear 111, thereby reducing the mutual interference between the drum connecting gear 180 in transmitting the driving force to the detected protrusion 150 and the coupling gear 111 in transmitting the driving force to the developing roller 104, the powder feeding roller and the stirring frame, so that the transmission of the driving force in the developing box 100 is smoother. Specifically, the fourth intermediate transfer gear 185 is meshed and connected with the drum connecting gear 111, and the fifth intermediate transfer gear 186 is meshed and connected with the large gear portion 182a of the second intermediate transfer gear 182. That is to say, the drum connecting gear 180 transmits the driving force to the second intermediate transfer gear 182 through the fourth intermediate transfer gear 185 and the fifth intermediate transfer gear 186, and the second intermediate transfer gear 182 then drives the detected protrusion 150 to move in the up and down directions relative to the shell 101 to move the detection component inside the imaging device 10 to transmit the new and old information of the developing box 100 to the imaging device 10, and record it in the imaging device 10. When the developer in the developing box 100 is about to be consumed, the imaging device 10 can prompt the user to replace the new developing box 100 through the operation panel.

Optionally, as shown in Figure 38, the fourth intermediate transfer gear 185 and the fifth intermediate transfer gear 186 are connected to the inner side of the left protective cover 103. Specifically, a third connecting column 103c and a fourth connecting column 103d extend inward from the interior of the left protective cover 103. The fourth intermediate transfer gear 185 is on the outer surface of the third connecting column 103c, and the connecting gear 132b is connected to the outer surface of the fourth connecting column 103d, and the fourth intermediate transfer gear 185 and the fifth intermediate transfer gear 186 can rotate independently of the left protective cover 103.

Embodiment 7:

Next, Example 7 of the present application will be introduced. As shown in Figures 41-44, a developing box 100 of Example 7 is shown. The parts that are the same as those in the above-mentioned Examples 1-6 will not be repeated here. The difference is that the driving force transmission component between the detection protrusions 150 of the transmission component in this embodiment is different from that in the above-mentioned Examples 5-6. In this embodiment, the driving force transmission component also includes a stirring frame gear 114 connected to the left end of the stirring frame 140, as well as an internal spiral member 153, a transmission rod 151 and a lifting member 154. The internal spiral member 153 is engaged with the interior of the stirring frame gear 114 and can rotate with the rotation of the stirring frame gear 114. The transmission rod 151 penetrates the interior of the stirring frame 140 and extends from the first side of the shell 100 to the second side of the shell 101. The lifting member 154 is arranged at the right end of the transmission rod 151 and can move according to the movement of the transmission rod 151. The detected protrusion 150 contacts the lifting member 154 and can move according to the movement of the lifting member 154. A connecting gear 184 is connected between the stirring frame gear 114 and the drum connecting gear 180; preferably, the connecting gear 184 is sleeved on the surface of the coupling part of the coupling gear 111 and can rotate relative to the coupling gear 111. In the left and right directions, the connecting gear 184 is farther away from the shell 101 than the gear part of the coupling gear 111. After the imaging device 10 is started, the imaging device 10 transmits the driving force to the photosensitive drum gear 53, and the drum connecting gear 180 receives the driving force and rotates around the developing roller shaft 122 through its connection with the photosensitive drum gear 53. The drum connecting gear 180 drives the stirring frame gear 114 to rotate through the connecting gear 184, and the stirring frame gear 114 drives the stirring frame 140 to rotate to stir the developer inside the housing 101. At the same time, the inner spiral member 153 rotates with the rotation of the stirring frame gear 114, and the spiral groove set inside the inner spiral member 153 is connected to the transmission rod 151 cooperates, and the transmission rod 151 moves rightward in the left-right direction, and the lifting member 154 moves rightward in the left-right direction together with the transmission rod 151, and the top of the lifting member 154 is constructed to have a plurality of protrusions with different heights. In the process of the lifting member 154 moving to the right, the lifting member 154 contacts the detected protrusion 150, and the detection part in the imaging device 10 pushes the detected protrusion 150, so that the detected protrusion 150 moves back and forth in the up and down direction; that is, the detected protrusion 150 moves according to the rotation of the stirring frame gear 114. The movement of the detected protrusion 150 will toggle the detection member (not shown) in the imaging device 10 to provide the imaging device 10 with information such as whether the developing box 100 is a new box.

Embodiment 8:

Next, the eighth embodiment of the present application will be described. As shown in FIGS. 45-46 , a developing box 100 of the eighth embodiment is shown. The same parts as those in the above-mentioned embodiments 1-7 will not be described here in detail. The difference is that the position of the transmission component in the developer box 100 in this embodiment is different from that in the above-mentioned embodiments 7-8. In this embodiment, the drum connecting gear 180 as the transmission component is located on the right side of the developer box 100 in the left-right direction, that is, the drum connecting gear 180 and the detected protrusion 150 are on the same side of the shell 101 in the left-right direction. The drum connecting gear 180 can be connected to the outer surface of the photosensitive drum 52 in the drum box 50 to receive the driving force of the photosensitive drum 52; the drum connecting gear 180 A driving force transmission member for transmitting driving force is provided between the detected protrusion 150, as shown in FIG45, the driving force transmission member includes but is not limited to an inner spiral 153, a lifting member 154 and at least one intermediate transmission gear. In this embodiment, two intermediate transmission gears are provided on the right side of the developer cartridge 100 in the left-right direction, i.e., a first intermediate transmission gear 181 and a second intermediate transmission gear 182. The first intermediate transmission gear 181, the second intermediate transmission gear 182, the inner spiral 153 and the lifting member 154 are close to the right side of the developer cartridge 100 in the left-right direction. The lifting member 154 includes a protrusion 154b that cooperates with a spiral groove 153b2 inside the inner spiral 153.

As shown in Figure 46, in this embodiment, the drum connecting gear 180 includes a friction receiving portion 180c and a gear portion 180b. The friction receiving portion 180c can be constructed as a rubber wheel having a rubber material that can undergo elastic deformation attached to its surface, so that the friction receiving portion 180c can generate a friction connection with the outer surface of the photosensitive drum 52 in the drum box 50, and receive the driving force generated when the photosensitive drum 52 rotates, so that the drum connecting gear 180 rotates with the photosensitive drum 52 around its drum connecting gear axis extending in the left and right directions, and transmits the driving force to the detected protrusion 150; the gear portion 180b is meshedly connected with the first intermediate transmission gear 181 to transmit the driving force to the detected protrusion 150.

Embodiment 9:

Next, Example 9 of the present application will be introduced. As shown in Figures 47-50, a developing box 100 of Example 9 is shown. The parts that are the same as those in the above-mentioned Examples 1-8 will not be repeated here. The difference is that the transmission of driving force in the developing box 100 of this embodiment is different from that in the above-mentioned Examples 1-8. In this embodiment, the drum connecting gear 180 can rotate together with the developing roller shaft 122; the drum connecting gear 180 is configured as a double gear, including a receiving gear portion 180a connected to the photosensitive drum gear 53 and a driving gear portion 180b for transmitting driving force, the driving gear portion 180b can rotate together with the developing roller shaft 122, and the driving gear portion 180b can transmit driving force to the stirring frame 140 and the powder feeding roller 130, thereby driving the stirring frame 140 and the powder feeding roller 130 to rotate together; preferably, in other embodiments, the receiving gear portion 180a and the driving gear portion 180b can also be made into an integrated I-shaped gear. A developing roller transmission gear 123 for transmitting driving force is provided at the right end of the developing roller shaft 122 in the left-right direction. The developing roller transmission gear 123 can rotate together with the developing roller shaft 122. The developing roller transmission gear 123 can transmit driving force to the detected protrusion 150, thereby moving the detected protrusion 150; that is, When the developing box 100 is installed together with the drum box 50 to the imaging device 10, the photosensitive drum gear 53 can receive the driving force of the imaging device 10 to rotate, and at the same time, the photosensitive drum gear 53 can transmit the driving force to the developing box 100 through the drum connecting gear 180, so that the developing box 100 completes the imaging operation.

Preferably, the outer diameter of the receiving gear portion 180a in the drum connecting gear 180 is larger than the outer diameters of the driving gear portion 180b and the developing roller transfer gear 123. When the drum connecting gear 180 is connected to the photosensitive drum gear 53, the large-diameter receiving gear portion 180a first contacts the photosensitive drum gear 53, so that the driving gear portion 180b and the developing roller transfer gear 123 can no longer contact the photosensitive drum gear 53, thereby avoiding interference between the driving gear portion 180b and the developing roller transfer gear 123 and the photosensitive drum gear 53; thereby, the drum connecting gear 180 can smoothly receive the driving force of the photosensitive drum gear 53.

As shown in Figure 50, a stirring frame gear 114 connected to the stirring frame 140 and a powder feeding roller gear 113 connected to the powder feeding roller 130 are provided on the left side of the shell 101, and at least one intermediate transfer gear for transmitting driving force is provided on the left side of the shell 101; specifically, a first intermediate transfer gear 181 and a second intermediate transfer gear 182 are provided on the left side of the shell 101; the powder feeding roller gear 113 is transmission-connected to the driving gear part 180b through the first intermediate transfer gear 181, and the stirring frame gear 114 is connected to the first intermediate transfer gear 181 through the second intermediate transfer gear 182. When the drum connecting gear 180 receives the driving force and rotates, the drum connecting gear 180 can transmit the driving force to the stirring frame 140 and the powder feeding roller 130, so that the stirring frame 140 and the powder feeding roller 130 rotate to transport the developer inside the shell 101 to the developing roller 120. The left protective cover 103 is disposed on the left side of the housing 101 in the left-right direction. The left protective cover 103 is used to cover the stirring frame gear 114, the powder feeding roller gear 113, the first intermediate transmission gear 181 and the second intermediate transmission gear 182, so as to protect the above gears.

As shown in Figure 48, the developing box 100 also includes at least one intermediate transfer gear arranged on the right side of the shell 101. Specifically, the sixth intermediate transfer gear 187, the seventh intermediate transfer gear 188 and the eighth intermediate transfer gear 189 are arranged between the developing roller transfer gear 123 and the detected protrusion 150; the seventh intermediate transfer gear 188 includes a first straight tooth portion 188a and a first bevel tooth portion 188b, and the eighth intermediate transfer gear 189 includes a second straight tooth portion 189a and a second bevel tooth portion 189b. The seventh intermediate transfer gear 188 can rotate around an axis extending in the left and right direction, and the eighth intermediate transfer gear 189 can rotate around an axis extending in the up and down direction; preferably, the first bevel tooth portion 188b and the second bevel tooth portion 189b are both constructed as 45° bevel gears, and the first bevel tooth portion 188b and the second bevel tooth portion 189b are meshed with each other.

As shown in Figures 18-49, the developer box 100 also includes a driving gear 115, a detection protrusion 150, and an elastic retainer 152; the outer surface of the driving gear 115 includes a gear portion 115b and a protrusion 115a provided on the top of the driving gear 115. The detection protrusion 150 is connected to the top of the right protective cover 104 through a rotating shaft provided on the top of the right protective cover 104, and the detection protrusion 150 can rotate in the up and down directions. The detected protrusion 150 can rotate between the first position and the second position by rotating the axis extending therefrom, and the elastic retaining member 152 is used to keep the detected protrusion 150 at the first position.

In this embodiment, the eighth intermediate transmission gear 189, the driving gear 115 and the detected protrusion 150 are connected to the housing 101 through the right protective cover 104; the first straight tooth portion 188a is connected to the sixth intermediate transmission gear 187, and the second straight tooth portion 189a is connected to the gear portion 115b. When the drum connection gear 180 receives the driving force of the photosensitive drum gear 53 to rotate, the drum connection gear 180 drives the developing roller transmission gear 123 to rotate through the developing roller 120, and the developing roller transmission gear 123 transmits the driving force to the driving gear 115, thereby driving the driving gear 115 to rotate around the axis extending in the up-down direction; that is, when the drum connection gear 180 rotates, the driving gear 115 will rotate with the rotation of the drum connection gear 180.

When the driving gear 115 rotates, the multiple protrusions 115a of the driving gear 115 contact the detected protrusion 150 in turn. When the protrusion 115a contacts the detected protrusion 150, the protrusion 115a will push the detected protrusion 150 to move from the first position to the second position. Then, the detected protrusion 150 will move from the second position to the first position under the action of the elastic retaining member 152. During the rotation of the driving gear 115, the multiple protrusions 115a will contact the detected protrusion 150 in turn, so that the detected protrusion 150 moves back and forth between the first position and the second position.

Through the above-mentioned arrangement, after the drum connecting gear 180 receives the driving force, the driving unit transmits the driving force from the side of the developing box 100 away from the electrode 160 to the powder feeding roller 130 and the stirring frame 140; at the same time, the driving unit transmits the driving force from the other side of the developing box 100 away from the electrode 160 to the detected protrusion 150, and different driving force transmission routes are formed in the developing box 100, which are transmitted to different load components. This driving force transmission method makes the transmission of driving force in the developing box 100 more balanced, reduces the possibility that the detected protrusion 150 is interfered by the powder feeding roller 130 and the stirring frame 140 when receiving the driving force, and improves the stability of the detected protrusion 150.

According to the above-mentioned multiple technical solutions, the driving force of the drum connecting gear 180 or the rack 380 on the detected protrusion 150 is independent of the driving force of the coupling gear 111 on the developing roller 120 and the powder feeding roller 130, thereby reducing the interference in the process of the drum connecting gear 180 or the rack 380 transmitting the driving force to the detected protrusion 150, improving the stability of the movement of the detected protrusion 150, and avoiding the imaging device 10 reporting an error due to the developing box 100 transmitting wrong information to the imaging device 10.

Claims

A developing box, comprising:

A housing, the housing having a first side in a first direction and a second side separated from the first side;

a developing roller rotatable about a first axis extending in the first direction;

a detected protrusion, wherein the detected protrusion is movable relative to the housing;

It is characterized by further comprising:

a coupling gear for receiving a driving force for driving the developing roller to rotate from the outside of the developing cartridge, the coupling gear being rotatable about a second axis extending in the first direction and different from the first axis;

A transmission member for receiving a driving force for driving the detected protrusion to move from the outside of the developing cartridge independently of the coupling gear.
The developing box according to claim 1 is characterized in that the coupling gear is located on the first side of the shell in the first direction, and the transmission component is arranged on the same side of the shell as the coupling gear in the first direction.
The developing box according to claim 1 or 2 is characterized in that it also includes a developing roller gear arranged at one end of the developing roller in the first direction, and the transmission component is arranged independently of the developing roller gear in the first direction.
The developer box according to claim 1 is characterized in that it also includes a developer roller gear arranged at one end of the developer roller in the first direction, and the diameter of the developer roller gear is smaller than the diameter of the transmission component.
The developing box according to claim 1 is characterized in that it also includes a developing roller gear arranged at one end of the developing roller in the first direction, and the rotation axis of the transmission component is substantially the same as the rotation axis of the developing roller gear.
The developing box according to claim 1 is characterized in that the transmission component is rotatably supported on one side of the developing roller in the first direction.
The developing box according to claim 1 is characterized in that the transmission member is rotatable relative to the developing roller.
The developing box according to claim 1 is characterized in that at least one intermediate transmission gear is connected between the transmission component and the detected protrusion, and the rotation axis of the intermediate transmission gear is located between the rotation axis of the transmission component and the detected protrusion in a second direction intersecting the first direction.
The developing box according to claim 1 is characterized in that it also includes a A developing roller gear is provided at one end of the developing roller, and the transmission component is closer to the second side of the housing than the developing roller gear in the first direction.
The developer box according to claim 1 is characterized in that it also includes a developer roller gear arranged at one end of the developer roller in the first direction, and the transmission component is farther away from the second side of the shell than the developer roller gear in the first direction.
The developer box according to claim 1 is characterized in that the transmission component is configured as a gear.
The developer box according to claim 1 is characterized in that it also includes a chip having an electrical contact surface, wherein the electrical contact surface is located on the first side of the shell in the first direction, and the electrical contact surface overlaps with at least a portion of the transfer component in the first direction.
The developer box according to claim 1 is characterized in that it also includes a chip having an electrical contact surface, wherein the electrical contact surface is located on the first side of the shell in the first direction, and the electrical contact surface is farther away from the second side of the shell than the transmission component in the first direction.
The developer cartridge according to claim 1, further comprising a chip having an electrical contact surface, wherein the electrical contact surface is further away from the transmission component than the coupling gear in a second direction intersecting the first direction.
The developer box according to claim 1 is characterized in that the transmission component structure has a tooth portion as a rack.
The developing box according to claim 15 is characterized in that the rack has a first tooth portion and a second tooth portion arranged to cross the first tooth portion.
The developing box according to claim 1 is characterized in that it also includes a transmission rod, the transmission rod can move according to the movement of the transmission component, and the detected protrusion can move according to the movement of the transmission rod.
The developing box according to claim 1, characterized in that the detected protrusion is located on the second side of the shell in the first direction.
A developing box, comprising:

A housing, the housing having a first side in a first direction and a second side separated from the first side;

a developing roller rotatable about a first axis extending in the first direction;

a detected protrusion, wherein the detected protrusion is movable relative to the housing;

It is characterized by further comprising:

a transmission component rotatable about a third axis extending in the first direction and substantially the same as the first axis;

The detected protrusion may move according to rotation of the transmission member, and the transmission member may rotate relative to the developing roller.
The developing box according to claim 19 is characterized in that it also includes a coupling gear, which is used to receive a driving force from the outside of the developing box to drive the developing roller to rotate, and the coupling gear can rotate around a second axis different from the first axis extending in the first direction.
The developing box according to claim 19 is characterized in that it also includes a developing roller gear arranged at one end of the developing roller in the first direction, and the transmission component is arranged independently of the developing roller gear in the first direction.
The developer box according to claim 19 is characterized in that it also includes a developer roller gear arranged at one end of the developer roller in the first direction, and the diameter of the developer roller gear is smaller than the diameter of the transmission component.
The developer box according to claim 19 is characterized in that the transmission component is configured as a gear.
The developer box according to claim 19 is characterized in that the transmission component is located on the second side of the shell in the first direction.
The developing box according to claim 19, characterized in that the detected protrusion is located on the second side of the shell in the first direction.