TW201636117A - Electrical caulking gun adaptable to various packing types - Google Patents

Abstract

Disclosed is an electrical caulking gun adaptable to various packing types, comprising a gun body having a material-pushing pipe section, which extends along a length direction and surrounds to form a material accommodation space, a motor positioned at the gun body, a sense element positioned at the gun body and electrically connected with the motor, a transmission mechanism positioned at the gun body and driven by the motor, a push rod movably positioned at the gun body along the length direction and a material-pushing head. The push rod has a plunger head part and a trigger part corresponding to the sense element. When the push rod is at a first stop position, the plunger head part is in the material accommodation space, and the trigger part triggers the sense element to stop the motor. When the push rod is at a second stop position, the plunger head part is outside the material accommodation space, and exceeds the front end of the material-pushing pipe section. The trigger part leads the sense element in the length direction. The material-pushing head is detachably installed at the plunger head part.

Description

Electric glue gun that can adapt to different packaging types

The invention relates to a silicone gun, in particular to an electric glue gun which can adapt to different packaging types.

A conventional electric glue gun (U.S. Patent No. 8740021 B2) is suitable for pushing two different types of packaging materials, namely cardboard tube-style and sausage pack (sausage pack). The 矽 compound of the package is designed to contain four tubes of detachable cartridges of different sizes. When used, it depends on the package type of the enamel compound used, and the cartridge is attached. The rack is replaced with the plunger. This design can be used with different types of packaging. However, the glue gun is equipped with a multi-tube material, which is used and carried. Both are quite inconvenient.

As shown in FIG. 1 , another electric silicone glue gun comprises a gun body 1 having a barrel 101 , a micro switch 2 disposed at the rear end of the gun body 1 , and a motor (not shown). a push rod 3, the push rod 3 has a rack 301, a handle 302 disposed at the rear end of the rack 301, and a rug which is detachably disposed at the front end of the rack 301 and is suitable for rigid tube packaging A plunger head 303, and a second plunger head 304 detachably disposed at the front end of the rack 301 and adapted for use in a flexible package. When the push rod 3 is moved forward until the front end of the handle 302 is pressed against the rear end of the micro switch 2, the operation of the motor is automatically stopped. At this time, the push rod 3 cannot continue to move toward Before moving, the first plunger head 303 will stop in the barrel 101. Therefore, the user must use a hand tool 4 to extend into the barrel 101, so that it is possible to the first plunger head 303. The second plunger head 304 is disassembled and replaced. However, such a replacement operation is not very easy, and the user sometimes needs to remove the cartridge 101 to have a plunger head. Replacement operation, therefore, such an electric glue gun is also inconvenient to use.

Accordingly, it is an object of the present invention to provide an electric glue gun that can be adapted to different package types for easy replacement of the plunger head.

Therefore, the present invention can be adapted to different types of electric silicone glue guns, including a gun body, a motor, a sensing member, a transmission mechanism, a push rod, and a pusher head.

The gun body has a pusher tube section extending along a length direction and surrounding a receiving space.

The motor is disposed on the gun body.

The sensing member is disposed on the gun body and electrically connected to the motor.

The transmission mechanism is disposed on the gun body, and the transmission mechanism is driven by the motor.

The push rod is movably disposed along the length of the gun body and extends into the receiving space, the push rod is operatively coupled to the transmission mechanism, the push rod has a plunger head, and a corresponding to a triggering portion of the sensing member, the push rod moves between a first stop position and a second stop position relative to the pusher tube segment, and when the push rod is in the first stop position, the plunger head is located Within the receiving space, the triggering portion triggers the sensing member to stop the motor, and when the push rod is in the second stopping position, the plunger head is located outside the receiving space and beyond the pushing pipe segment The front end of the trigger portion leads the sensing member in the length direction.

The pusher head is detachably mounted to the plunger head of the push rod.

The utility model has the advantages that the push rod can be moved to the second stop position of the plunger head outside the receiving space, so that the user can conveniently push the tool by means of a tool-free manner. The material head is mounted on the plunger head of the push rod or the pusher head is removed.

Referring to Figures 2 and 3, an embodiment of the present invention is applicable to an electric glue gun of a different package type. The electric glue gun comprises: a gun body 10, a motor 20, a sensing member 30, a transmission mechanism 40, and a The clutch device 50, a push rod 60, and a pusher head 70.

The body 10 has a pusher section 11 extending in a length direction L and surrounding a receiving space 111, and a trigger 12 that is pressurizable to activate the motor 20.

As shown in FIGS. 4 and 5, the motor 20 is disposed on the gun body 10 and has a rotating shaft 21.

As shown in FIGS. 3 and 4, the sensing member 30 is disposed at the rear end of the gun body 10 and is electrically connected to the motor 20. In the present embodiment, the sensing member 30 is a limit switch that can be triggered by a touch, and the sensing member 30 has a pressing arm 31 on the bottom side.

As shown in FIGS. 3, 4, and 5, the transmission mechanism 40 is disposed on the gun body 10 and is driven by the motor 20. The transmission mechanism 40 has a planetary gear train 41 and a linkage idler pulley 42.

The planetary gear train 41 has an input sun gear 43 disposed on the rotating shaft 21 and driven by the motor 20, an output ring gear 44 rotatably disposed on the gun body 10, and a rotatable output planet boom 45. And an output planetary gear 46 pivotally coupled to the output planetary boom 45 and meshing with the output ring gear 44. The output ring gear 44 has a plurality of spaced apart outer card slots 441 that are operatively coupled to the input sun gear 43.

In the present embodiment, the planetary gear train 41 is a multi-stage planetary gear train, wherein the input sun gear 43 is a sun gear of a first stage planetary gear train, the output ring gear 44, and the output planet boom 45 The output planetary gear 46 is illustrated by the ring gear, the planetary boom and the planetary gear of the planetary gear train belonging to the last stage, but is not limited thereto. In addition, it should be noted that the detailed construction and operation of the multi-stage planetary gear train is not the technical focus of the present invention, and will not be described in detail herein. For details, refer to US Pat. No. 5,909,830 or Taiwan Invention Patent No. I316877.

In the present embodiment, the output planetary boom 45 has an output gear portion 451 pivotally mounted to the gun body 10, the linkage idler 42 having a first gear meshing with the output gear portion 451. a portion 421 and a second gear portion 422 that meshes with the push rod 60.

As shown in Figures 4, 6, and 7, the clutch device 50 is disposed on the gun body 10, and the clutch device 50 is changed between an engaged state (see Fig. 6) and a separated state (see Fig. 7). The clutch device 50 has a claw member 51 movably disposed on the gun body 10, a first elastic member 52 abutting between the claw member 51 and the gun body 10, and a movably disposed on the gun body An operating member 53 , a linking member 54 pivotally connected to the gun body 10 and connected between the operating member 53 and the pawl member 51 , and abutting between the operating member 53 and the gun body 10 The second elastic member 55.

The claw member 51 has a claw portion 511 having a tripping slope 512, and the first elastic member 52 has a potential energy for moving the jaw member 51 toward the output ring gear 44. The two elastic members 55 have potential energy for moving an outer end portion 531 of the operating member 53 outward relative to the gun body 10.

In the present embodiment, as shown in FIGS. 4 and 6, when the clutch device 50 is in the engaged state, the jaw member 51 engages the output ring gear 44 to prevent rotation thereof. Preferably, the first elastic member The latching portion 511 of the pawl member 51 is engaged with one of the outer latching slots 441 to prevent the output ring gear 441 from rotating in a first rotational direction θ1. Thus, the clutch device 50 can be coupled to the transmission mechanism 40. When the user presses the trigger 12 to start the motor 20, the motor 20 can drive the transmission mechanism 40 to enable the transmission mechanism 40 to move the push rod 60 forward in the longitudinal direction L; As shown in FIGS. 4 and 7, when the clutch device 50 is in the disengaged state, the pawl member 51 is disengaged from the output ring gear 44 to allow it to rotate. Preferably, the user can press the outer end portion of the operating member 53. 531, forcing the outer end portion 531 to move inwardly relative to the gun body 10, so as to move the claw member 51 through the linking member 54 to move the claw portion 511 out of the one of the outer card slots 441, thus, the clutch The device 50 disengages the transmission mechanism 40 such that the transmission mechanism 40 is unable to drive the push rod 60. In addition, it should be noted that the linkage process of the clutch device 50 is not the technical focus of the present invention, and will not be described in detail herein. For details, refer to Taiwan Invention Patent No. I440509.

As shown in FIGS. 3 and 4, the push rod 60 is movably disposed in the length direction L of the gun body 10 and extends into the receiving space 111. The push rod 60 is operatively coupled to the transmission mechanism 40. The push rod 60 has a plunger head 61, a handle portion 62 opposite to the plunger head 61, a rack portion 63 connected between the plunger head 61 and the handle portion 62, and a rack Corresponding to the trigger portion 64 of the sensing member 30. The handle portion 62 has a grip button 621 that is constantly located outside the gun body 10, and a barrel portion 622 that extends from the grip button 621 toward the gun body 10 along the length direction L. In the present embodiment, the plunger head 61 has a pushing wall 611, and the rack portion 63 is operatively coupled to the output planet boom 45. Preferably, the rack portion 63 is interlocked with the linkage. The second gear portion 422 of the wheel 42 is engaged, and the rack portion 63 is connected to the output gear portion 451 of the output planetary boom 45 via the first gear portion 421 of the interlocking idler gear 42. Further, the trigger portion 64 is disposed at the The front end of the barrel section 622.

As shown in Figures 8 and 9, the push rod 60 is movable relative to the pusher tube section 11 between a first stop position (see Figure 8) and a second stop position (see Figure 9). In the first stop position, the plunger head 61 is located in the receiving space 111, and the triggering portion 64 touches the pressing arm 31 (see FIG. 4) to trigger the sensing member 30 to stop the motor 20. (See FIG. 4), when the push rod 60 is in the second stop position, the pushing wall 611 of the plunger head 61 is located outside the receiving space 111 and beyond the front end of the pusher tube segment 11, the trigger The portion 64 leads the sensing member 30 in the longitudinal direction L. In the present embodiment, when the push rod 60 is between the first and second stop positions, the barrel section 622 continuously triggers the sensing member 30 to stop the motor 20 (see FIG. 4).

As shown in FIGS. 9 and 10, when the clutch device 50 is in the engaged state and the push rod 60 is moved from the first stop position toward the second stop position, the rack portion 63 of the push rod 60 sequentially passes through the Cooperating the second and first gear portions 422, 421 of the idler gear 42 with the output gear portion 451 of the output planetary boom 45 and the output planetary gears 46, thereby driving the output ring gear 44 along a first The second rotational direction θ2 of the rotational direction θ1 (see FIG. 6) is rotated. At this time, the toothed outer periphery of the output ring gear 44 pushes the jumping slope 512 of the pawl portion 511 of the cymbal insert 51 to cause the cymbal The claw portion 51 sequentially jumps off the outer card slot 441 of the output ring gear 44. In the embodiment, the first stop position is an autostop position of the push rod 60, and the user pushes the grip button 621 of the handle portion 62 of the push rod 60 by hand, and pushes the force by human force. The lever 60 is pushed forward from the first stop position to the second stop position.

As shown in FIGS. 3 and 4, the pusher head 70 is detachably mounted to the plunger head 61 of the push rod 60. The pusher head 70 has a body 71 and a stopper 72 disposed on the body 71. . The body 71 has a front end wall 711, a peripheral wall 712 extending rearward from the periphery of the front end wall 711, and a flange wall 713 extending from the front end wall 711. The front end wall 711 is defined by the peripheral wall 712. An installation space 73 is provided, and an outer circumference of the flange wall 713 is slidably engaged with the pusher tube section 11 (see FIG. 12). The stopper 72 is disposed on the peripheral wall 712 transverse to the length direction L and offset from the body 71. The stop 72 extends in the installation space 73 and is spaced apart from the rear side of the front end wall 711 by a gap 74.

In this embodiment, as shown in FIGS. 9 and 11 , the pusher head 70 is fastened to the plunger head 61 of the push rod 60 in a tool-free manner, and the pusher head 70 is fastened to the plunger. In the case of the head 61, the pushing wall 611 is located in the mounting space 73 and is embedded in the gap 74 between the front end wall 711 and the stopper 72.

Therefore, as shown in FIG. 3, when the user wants to use the present invention to push a hard tube package (not shown), the hard tube package can be installed on the push tube segment 11. In the material space 111, in this way, pressing the trigger 12 activates the motor 20 (see FIG. 4) to drive the push rod 60, and the plunger head 61 of the push rod 60 can push the hard tube packaging rubber to perform Coating operation of silicone rubber. In addition, as shown in FIGS. 9 and 11, when the user wants to use the present invention to push a flexible packaging (not shown), the user can manually push the pusher 60 to the second stop position. And the pusher head 70 is directly engaged with the plunger head 61 of the push rod 60 in a tool-free manner. After the clutch device 50 is switched to the separated state, as shown in FIG. The push rod 60 can be pulled backwards to the pusher head 70 to move to the rear end adjacent to the pusher pipe section 11. At this time, the flexible package rubber can be installed on the pusher pipe section 11 In the space 111, after the clutch device 50 returns to the engaged state, the pusher 60 driven can drive the pusher head 70 to push the flexible package.

Through the above description, the advantages of the present invention can be further summarized as follows:

1. When the invention is to be used with a different type of packaging, the pusher 60 can be pushed to the second stop position, that is, the pusher 70 can be directly mounted to the pusher in a toolless manner. The plunger head 61 of the 60 is directly detached from the pusher head 70, and the loading operation of the pusher head 70 is not only fast and very convenient, but the present invention is used and carried in comparison with the prior art. More convenient.

2. The present invention utilizes the jaw member 51 of the clutch device 50 to provide the design of the tripping ramp 512 so that the user can switch the clutch device 50 to the disengaged state without intentionally switching the clutch device 50 to the disengaged state. The direct push to the second stop position is relatively simple in operation.

In summary, the electric silicone glue gun of the present invention can adapt to different packaging types, not only the replacement operation of the plunger head is quite convenient, but also can be used with different packaging type silicone rubber materials, so the invention can be achieved. purpose.

However, the above is only the embodiment of the present invention, and the scope of the invention is not limited thereto, and all the equivalent equivalent changes and modifications according to the scope of the patent application and the patent specification of the present invention are still The scope of the invention is covered.

10‧‧‧ gun body
11‧‧‧Pushing pipe section
111‧‧‧Feeding space
12‧‧‧ Trigger
20‧‧‧Motor
21‧‧‧ shaft
30‧‧‧Inductive parts
31‧‧‧Fracture arm
40‧‧‧Transmission mechanism
41‧‧‧ planetary gear train
42‧‧‧ linkage idler
421‧‧‧First gear department
422‧‧‧Second gear department
43‧‧‧Input sun gear
44‧‧‧Output ring gear
441‧‧‧Outer card slot
45‧‧‧Output planetary boom
451‧‧‧Output gear department
46‧‧‧ Output planetary gears
50‧‧‧ clutch device
51‧‧‧掣Claw pieces
511‧‧‧掣 claw
512‧‧‧Bumping bevel
52‧‧‧First elastic parts
53‧‧‧Operating parts
531‧‧‧Outside
54‧‧‧ linkages
55‧‧‧Second elastic parts
60‧‧‧Put
61‧‧‧Pump head
611‧‧‧ pushed wall
62‧‧‧Hands
621‧‧‧ grip button
622‧‧‧section
63‧‧‧Racks
64‧‧‧Trigger
70‧‧‧ Pusher head
71‧‧‧Ontology
711‧‧‧ front wall
712‧‧‧Wall
713‧‧‧Flange wall
72‧‧‧
73‧‧‧Installation space
74‧‧‧ gap
L‧‧‧ Length direction θ1‧‧‧First direction of rotation θ2‧‧‧Second direction of rotation

Other features and advantages of the present invention will be apparent from the embodiments of the present invention, wherein: Figure 1 is a partial cross-sectional view of a conventional electric glue gun and a hand tool; Figure 2 is an adaptable of the present invention. FIG. 3 is a partially exploded cross-sectional view of the embodiment of the present invention; FIG. 4 is a partially exploded perspective view of the embodiment; FIG. 4 is a partially exploded perspective view of the embodiment, illustrating a sensing of the embodiment Figure 5 is an incomplete cross-sectional view taken along line V-V of Figure 3; Figure 6 is an incomplete partial section of the embodiment. Figure 5 is a fragmentary cross-sectional view taken along line V-V of Figure 3; Figure 7 is a view similar to Figure 6, illustrating the clutch device in a disengaged state; Figure 8 is a view similar to Figure 3, illustrating the pusher moves to a first Figure 9 is a view similar to Figure 8, illustrating the push rod moved to a second stop position; Figure 10 is an incomplete cross-sectional view of the embodiment illustrating an output ring gear of the transmission mechanism Pushing one of the clutches Figure 11 is an incomplete partial cross-sectional view of the embodiment showing the pusher head snapping onto a plunger head of the pusher; and Figure 12 is a view similar to Figure 11 It is indicated that the push rod drives the pusher head to move into a pusher pipe section of a gun body of the embodiment.

10‧‧‧ gun body

11‧‧‧Pushing pipe section

111‧‧‧Feeding space

30‧‧‧Inductive parts

40‧‧‧Transmission mechanism

42‧‧‧ linkage idler

421‧‧‧First gear department

422‧‧‧Second gear department

44‧‧‧Output ring gear

50‧‧‧ clutch device

60‧‧‧Put

61‧‧‧Pump head

611‧‧‧ pushed wall

62‧‧‧Hands

621‧‧‧ grip button

622‧‧‧section

63‧‧‧Racks

64‧‧‧Trigger

70‧‧‧ Pusher head

L‧‧‧ Length direction

Claims (10)

An electric silicone glue gun adaptable to different packaging types, comprising: a gun body having a pusher pipe section extending along a length direction and surrounding a receiving space; a motor disposed on the gun body; a sensing component, Provided on the gun body and electrically connected to the motor; a transmission mechanism is disposed on the gun body, the transmission mechanism is driven by the motor; a push rod is movably disposed on the gun body along the length direction and extends Into the receiving space, the push rod is operatively coupled to the transmission mechanism, the push rod has a plunger head, and a trigger portion corresponding to the sensing member, the push rod is opposite to the push tube portion a movement between a first stop position and a second stop position, wherein the plunger head is located within the receiving space when the push rod is in the first stop position, the triggering portion triggering the sensing member to stop the motor When the push rod is in the second stop position, the plunger head is located outside the receiving space and beyond the front end of the pusher tube segment, the trigger portion leads the sensing member in the length direction; and Pusher head, detachably mounted on the The head of the plunger rod. The electric silicone gun adaptable to different packaging types as claimed in claim 1, wherein the pusher head is fastened to the plunger head of the push rod in a toolless manner. The electric silicone glue gun according to claim 2, wherein the pusher head has a body and a stopper disposed on the body, the body has a front end wall, and a front end wall a peripheral wall extending toward the rear of the wall, the front end wall and the peripheral wall cooperate to define a mounting space, the stopper is disposed on the peripheral wall and offset from the center of the body transverse to the length, the stopper extends to the installation space Inside and spaced apart from the rear side of the front end wall, the plunger head of the push rod has a pushing wall, and the pushing wall is located in the installation space when the pushing head is fastened to the plunger head And embedding the gap between the front end wall and the stop. The electric silicone glue gun according to claim 3, wherein the body of the pusher head further has a flange wall extending from the front end wall, and the outer circumference of the flange wall can be The pusher pipe section is slidably fitted. The electric silicone gun adaptable to different packaging types according to claim 2, wherein the push rod further has a handle portion opposite to the plunger head, and is coupled to the plunger head and the handle portion a rack portion having a grip button that is constantly located outside the gun body, and a barrel portion extending from the grip button toward the gun body along the length direction, the trigger portion being disposed on the barrel portion The front end, when the push rod is between the first and second stop positions, the barrel continues to trigger the sensing member to stop the motor. The electric silicone gun adaptable to different packaging types as described in claim 5, wherein the sensing member is a limit switch that can be triggered by being pressed. The electric silicone gun adapted to different packaging types according to claim 5, further comprising a clutch device disposed on the gun body, the clutch device changing between an engaged state and a separated state, when the clutch device is In the engaged state, the clutch device is engaged with the transmission mechanism to enable the transmission mechanism to drive the push rod. When the clutch device is in the separated state, the clutch device disengages the transmission mechanism, so that the transmission mechanism cannot be Drive the putter. The electric silicone gun adaptable to different packaging types according to claim 7, wherein the transmission mechanism has a planetary gear train having an input sun gear driven by the motor and rotatably disposed on An output ring gear of the gun body, a rotatable output planet boom, and at least one output planet gear pivotally coupled to the output planet boom and meshing with the output ring gear, the output planet gear operatively associated with the input a sun gear connection, the rack portion of the push rod is operatively coupled to the output planet boom, the clutch device having a pawl member movably disposed on the gun body, and abutting the pawl member a first elastic member between the gun bodies, the first elastic member having a potential energy for moving the claw member toward the output ring gear, the pawl member engaging the output ring gear when the clutch device is in the engaged state While preventing its rotation, the pawl member is disengaged from the output ring gear to allow it to rotate when in the disengaged state. The electric silicone gun adaptable to different packaging types according to claim 8, wherein the claw member has a claw portion having a tripping slope, and the output ring gear has a plurality of intervals a card slot, when the clutch device is in the engaged state, the pawl portion of the pawl member is engaged in one of the outer card slots to prevent the output ring gear from rotating in a first rotational direction when the clutch device is engaged And when the push rod moves from the first stop position toward the second stop position, the rack portion of the push rod drives the output ring gear along the output planet carrier and the output ring gear is opposite to the first The second rotation direction of the rotation direction rotates, and the output ring gear pushes the tripping slope, so that the claw portion sequentially jumps off the outer card slot of the output ring gear. The electric squeegee gun according to claim 9, wherein the clutch device further has an operating member movably disposed on the gun body, and is pivoted to the gun body and connected to the operation. a linking member between the member and the pawl member, and at least one second elastic member abutting between the operating member and the gun body, the second elastic member having an outer end portion of the operating member opposite to a potential energy of the gun body moving outward, when in the separated state, the outer end portion of the operating member moves inward relative to the gun body, and the claw member is moved to the claw portion to be disengaged via the linkage member An external card slot.