CN221850059U

CN221850059U - Nut diversion rotating device in narrow space

Info

Publication number: CN221850059U
Application number: CN202420397391.4U
Authority: CN
Inventors: 杨迪; 王森; 周亚博; 申培成; 葛征宇; 刘金标
Original assignee: China Construction Fifth Engineering Bureau Co Ltd
Current assignee: China Construction Fifth Engineering Bureau Co Ltd
Priority date: 2024-03-01
Filing date: 2024-03-01
Publication date: 2024-10-18
Anticipated expiration: 2034-03-01

Abstract

The utility model discloses a nut turning rotation device in a narrow space, which comprises a sleeve, a mounting rod and a driving rod, wherein a square hole is formed in the bottom of the sleeve, a magnet is fixedly arranged in the square hole, a transmission gear is fixedly arranged at the top of the sleeve, the mounting rod is rotationally connected with the driving rod, a driving gear is fixedly arranged at one end of the driving rod, which is close to the sleeve, and is meshed with the transmission gear, a connecting rod is sleeved in the driving rod, one end of the connecting rod, which is far away from the sleeve, is rotationally connected with one end of the connecting rod, which is close to the sleeve, is sleeved with a fastening gear, the fastening gear is meshed with the transmission gear, and the driving gear and the sleeve are driven to rotate by rotating the driving rod, so that the nut is screwed.

Description

Nut diversion rotating device in narrow space

Technical Field

The utility model belongs to the technical field of nut dismounting tools, and particularly relates to a nut turning and rotating device in a narrow space.

Background

The nut is used as a universal connecting piece and has the advantages of simple structure, reliable performance, easy replacement and the like, so the nut is widely applied to connecting various mechanical structures or building structures.

Along with the upgrading of various mechanical structures, in order to optimize demands such as product appearance, the connecting position of spare part is often set up in various sunken, narrow and small space, this just causes the difficulty to the installation and the dismantlement of nut, traditional box spanner and box spanner need twist repeatedly when using just can accomplish the work of dismouting put time and energy, even ratchet spanner also can only one-way screw, so make one kind can carry out the tool that twists in succession and can change the direction of twisting to the nut in narrow space and be very necessary.

Disclosure of Invention

Aiming at the defects of the prior nut dismounting tool in the prior art in the use process, the utility model provides the nut turning rotation device in a narrow space, and the operation of screwing the nut is transferred to the outside open space by arranging the gear at the top of the sleeve and arranging the driving rod beside the sleeve, so that the problem that the traditional nut dismounting tool is difficult to operate in the narrow space is solved.

The utility model provides the following technical scheme: the utility model provides a nut diversion rotation device in narrow space, includes sleeve, installation pole and actuating lever, square hole has been seted up to telescopic bottom, fixed mounting has magnet in the square hole, telescopic top fixed mounting has drive gear, the installation pole rotates with the sleeve to be connected, the installation pole rotates with the actuating lever to be connected, the actuating lever is close to telescopic one end fixed mounting and has the driving gear, driving gear and drive gear meshing drive driving gear and sleeve rotation through rotating the actuating lever and then drive transmission gear and sleeve rotation, realize twisting the commentaries on classics to the nut.

Further, the connecting rod is sleeved in the driving rod, the connecting rod is rotationally connected with one end, far away from the sleeve, of the driving rod, a fastening gear is sleeved outside one end, close to the sleeve, of the connecting rod, and the fastening gear is meshed with the transmission gear.

Further, bearing I has been cup jointed to telescopic outer wall is fixed, the outer lane of bearing I and the one end fixed connection of installation pole, the other end and the handle fixed connection of installation pole, fixed cup joint bearing II on the outer wall of actuating lever, fixed mounting has branch on the lateral wall of installation pole, the outer end and the outer lane fixed connection of bearing II of branch, fixed mounting has the handle on the one end outer wall that the telescopic is kept away from to the actuating lever.

Further, the side of the fastening gear far away from the driving gear is coaxially and fixedly provided with a bearing III, the outer side of the bearing III is provided with a fixing plate, the outer side of the bearing III is fixedly clamped with the inner side of the fixing plate, and the fixing plate is fixedly connected with the connecting rod through threads.

Further, the connecting rod is movably sleeved with a control rod, one end, close to the sleeve, of the control rod is fixedly connected with the floating plate, the floating plate is located on the outer side of the fixed plate, a pressure spring is sleeved on the outer side of the control rod between the floating plate and the fixed plate, one end of the pressure spring is fixedly connected with the inner side surface of the floating plate, one end, far away from the sleeve, of the control rod is provided with a lock catch, the lock catch is located on the outer side of the end portion of the connecting rod, the lock catch is rotationally connected with the control rod, and a rubber gasket is arranged between the lock catch and the end portion of the connecting rod.

Further, the outside of connecting rod is equipped with the locking board between driving gear and the fastening gear, the inner wall activity of locking board and fastening gear cup joints, fixed mounting has the lug on the locking board inner wall, the locking groove has been seted up to corresponding position department on the inner wall of driving gear next door to the locking board, and the locking groove corresponds with the locking board.

Further, fixedly mounted on the outer wall of the inside control rod of lug, the clamp plates are a group of sector plates arranged side by side along the axial direction of the control rod, the lug is positioned between the clamp plates, and a through groove is formed in the outer wall of the connecting rod beside the clamp plates along the axial direction of the connecting rod.

Advantageous effects

1. According to the utility model, the bevel gear is arranged at the top of the sleeve, and the bevel gear at the top of the sleeve is driven by the other group of bevel gears, so that the operation of screwing the nut is transferred from the narrow space at the top of the nut to the outside open space, and the problem that the traditional tool is inconvenient to operate when disassembling and assembling the nut in the concave and narrow space is solved.

2. According to the utility model, the driving gear and the fastening gear are locked, the sleeve is directly pulled by the driving rod, and the sleeve is driven to rotate by rotating the handle, so that the device has the advantages of convenience in disassembly and stable installation.

Drawings

FIG. 1 is a front view of the present utility model;

FIG. 2 is an enlarged view of a portion of the utility model at A in FIG. 1;

FIG. 3 is a cross-sectional view of FIG. 1 of the present utility model;

FIG. 4 is an enlarged view of a portion of the utility model at B in FIG. 3;

Fig. 5 is an exploded view of the structure of the locking plate of the present utility model.

In the figure: 1. a sleeve; 11. a transmission gear; 12. a bearing I; 13. square holes; 14. a magnet; 2. a mounting rod; 21. a support rod; 22. a grip; 3. a driving rod; 31. a drive gear; 32. a handle; 33. a bearing II; 4. a connecting rod; 41. fastening a gear; 42. a bearing III; 43. a fixing plate; 5. a control lever; 51. a floating plate; 52. a pressure spring; 53. a clamping plate; 54. locking; 55. a rubber gasket; 6. a locking plate; 61. a bump; 62. a locking groove.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and fully with reference to the accompanying drawings, in which it is evident that the embodiments described are only some, but not all embodiments of the utility model. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

Referring to fig. 1 and 3, a nut turning rotation device in a narrow space comprises a sleeve 1, a transmission gear 11 is fixedly arranged at the top of the sleeve 1, a bearing i 12 is fixedly sleeved on the outer wall of the sleeve 1, the bearing i 12 is a radial bearing, a square hole 13 is formed in the bottom of the sleeve 1, a magnet 14 is fixedly arranged in the square hole 13, and the square hole 13 and the magnet 14 are used for installing nut barrel heads of different types.

Referring to fig. 3, an installation rod 2 is arranged on the outer side of the sleeve 1, the installation rod 2 is perpendicular to the sleeve 1, one end of the installation rod 2 is fixedly connected with an outer ring of the bearing i 12, a grip 22 is fixedly arranged at the other end of the installation rod 2, a supporting rod 21 is fixedly arranged in the middle of the installation rod 2, the supporting rod 21 is parallel to the sleeve 1, the tail end of the supporting rod 21 is fixedly connected with an outer ring of a bearing ii 33, the bearing ii 33 is a radial bearing, a driving rod 3 is fixedly sleeved in the bearing ii 33, and the installation rod 2 is used for fixing the relative positions of the sleeve 1 and the driving rod 3.

Referring to fig. 1, a driving gear 31 is fixedly mounted at one end of a driving rod 3, which is close to a sleeve 1, the driving gear 31 is meshed with a transmission gear 11, a handle 32 is fixedly mounted at the other end of the driving rod 3, the transmission gear 11 is driven by the driving gear 31 through rotating the handle 32, the sleeve 1 is driven to rotate, the nut is dismounted, and a connecting rod 4 is movably sleeved inside the driving rod 3 and the driving gear 31.

Referring to fig. 3 and 4, bearings iii 42 are disposed at two ends of the connecting rod 4, the bearings iii 42 are axial bearings, the connecting rod 4 is in a circular tube shape, one end of the connecting rod 4 far away from the sleeve 1 is expanded outwards along a radial direction of the connecting rod 4 to be in a disc shape, the disc is located at an outer side of an end face of the same side of the driving rod 3, a bearing iii 42 is disposed between the disc and an outer end face of the driving rod 3, the bearing iii 42 is fixedly clamped with the driving rod 3 and the connecting rod 4 on two sides, a fastening gear 41 is disposed at an inner side of the bearing iii 42 on the other end, the fastening gear 41 is opposite to the driving gear 31 and meshed with the driving gear 11, an outer side face of the fastening gear 41 is fixedly connected with an inner side face of the bearing iii 42, an outer side face of the bearing iii 42 is fixedly clamped with an inner side face of the fixing plate 43, the fixing plate 43 is connected with an end face of the connecting rod 4 through threads to shorten a distance between the fastening gear 41 and the driving gear 31, the driving gear 31 and the fastening gear 41 can be meshed with the driving gear 11, and the control rod 5 is movably sleeved inside the connecting rod 4.

Referring to fig. 4, one end of the control rod 5, which is close to the sleeve 1, is fixedly connected with the inner side surface of the floating plate 51, the floating plate 51 is located at the outer side of the fixed plate 43, a pressure spring 52 is arranged at the outer side of the control rod 5 between the floating plate 51 and the fixed plate 43, one end of the pressure spring 52 is fixedly connected with the inner side surface of the floating plate 51, and the control rod 5 slides to one side of the sleeve 1 through the elasticity of the pressure spring 52.

Referring to fig. 3 and 5, a clamping plate 53 is fixedly installed on the outer wall of the control rod 5 between the driving gear 31 and the fastening gear 41, the clamping plate 53 is a sector plate arranged side by side along the axial direction of the control rod 5, a notch is formed on the side wall of the connecting rod 4 beside the clamping plate 53 along the axial direction of the connecting rod 4 for accommodating the reciprocating movement of the clamping plate 53, two locking plates 6 are arranged around the connecting rod 4 between the driving gear 31 and the fastening gear 41, the cross section of the locking plate 6 is arc-shaped, the locking plates 6 are movably sleeved on the inner wall of the fastening gear 41, a locking groove 62 is formed at the corresponding position of the inner wall of the driving gear 31 beside the locking plate 6, the locking plate 6 moves towards the driving gear 31 and enters the locking groove 62, the fastening gear 41 and the driving gear 31 are locked with each other, a lug 61 is fixedly installed on the inner side of the locking plate 6 and is arranged between the clamping plates 53, the lug 61 drives the clamping plate 53 to move away from the sleeve 1 through the control rod 5, and the lug 61 in the clamping plate 53 drives the locking plate 6 to move towards the driving gear 31 and enter the locking groove 62, so that the fastening gear 41 and the driving gear 31 are locked with each other.

Referring to fig. 3, the end of the control rod 5 on the side far away from the sleeve 1 is rotatably connected with a lock catch 54 (the lock catch 54 is structured as a locking device for adjusting the seat height of the bicycle), the lock catch 54 is located on the outer side of the end of the connecting rod 4, a rubber gasket 55 is arranged between the lock catch 54 and the end surface of the side connecting rod 4, and the control rod 5 is integrally pulled to one side of the lock catch 54 by rotating the lock catch 54. The rubber gasket 55 is used for improving the rotation resistance of the lock catch 54 and preventing the lock catch 54 from loosening due to rotation under the action of non-external force. The lock catch 54 comprises a spanner portion and a cam portion, the lock catch 54 is rotated by the spanner portion, and the cam portion is used for adjusting the distance between the end portion of the control rod 5 and the connecting rod 4, so that the control rod 5 is driven to be pulled to one side by rotation of the lock catch 54.

The application method (working principle) of the utility model is as follows:

The nut barrel head is arranged in the square hole 13, the sleeve 1 is inserted into the nut position, and the nut is sleeved by the nut barrel, at the moment, the handle 32 cannot rotate because the nut is screwed down. Slightly pulling the lock catch 54 to drive the whole control rod 5 to move to one side of the lock catch 54, enabling the clamping plate 53 to drive the locking plate 6 to move towards the driving gear 31 and abut against the inner wall of the driving gear 31, pulling the handle 22 back and forth to enable the installation rod 2 and the driving rod 3 to integrally rotate around the sleeve 1, enabling the fastening gear 41 and the driving gear 31 to roll along the tooth surface of the transmission gear 11, enabling the locking plate 6 to face the lock groove 62 along with the rotation of the fastening gear 41 and the driving gear 31 and enter the lock groove 62 under the driving of the control rod 5, pulling the lock catch 54 to enable the fastening gear 41 and the driving gear 31 to be interlocked, at the moment, the sleeve 1, the installation rod 2 and the driving rod 3 are relatively fixed, pulling the handle 22 to enable the installation rod 2 and the driving rod 3 to rotate around the sleeve 1, and enabling nuts to be loosened.

Then the lock catch 54 is pulled to reset, so that the control rod 5 integrally moves towards the sleeve 1 under the action of the elastic force of the pressure spring 52, the locking plate 6 is synchronously separated from the locking groove 62, the driving gear 31 and the fastening gear 41 are unlocked, the handle 22 is held by one hand, the handle 32 is screwed by the other hand, the driving gear 31 drives the transmission gear 11 to drive the sleeve 1 to rotate, the nut is continuously screwed, and the nut can be installed on the contrary.

Claims

1. The utility model provides a nut diversion rotation device in narrow space, includes sleeve (1), installation pole (2) and actuating lever (3), square hole (13) have been seted up to the bottom of sleeve (1), fixed mounting has magnet (14), its characterized in that in square hole (13): the top fixed mounting of sleeve (1) has drive gear (11), installation pole (2) are connected with sleeve (1) rotation, installation pole (2) are connected with actuating lever (3) rotation, actuating lever (3) are close to one end fixed mounting of sleeve (1) and have driving gear (31), driving gear (31) and drive gear (11) meshing drive driving gear (31) and then drive gear (11) and sleeve (1) rotation through rotating actuating lever (3), realize the twist to the nut.

2. The nut turning gear in a confined space as set forth in claim 1 wherein: the connecting rod (4) is sleeved in the driving rod (3), one end, far away from the sleeve (1), of the connecting rod (4) is rotationally connected with the driving rod (3), a fastening gear (41) is sleeved outside one end, close to the sleeve (1), of the connecting rod (4), and the fastening gear (41) is meshed with the transmission gear (11).

3. The nut turning gear in a confined space as set forth in claim 1 wherein: the outer wall of sleeve (1) is fixed to be cup jointed bearing I (12), the outer lane of bearing I (12) and the one end fixed connection of installation pole (2), the other end and the handle (22) fixed connection of installation pole (2), fixed cup joint bearing II (33) on the outer wall of actuating lever (3), fixed mounting has branch (21) on the lateral wall of installation pole (2), the outer end of branch (21) and the outer lane fixed connection of bearing II (33), fixed mounting has handle (32) on the one end outer wall that sleeve (1) was kept away from to actuating lever (3).

4. The nut turning gear in a confined space as set forth in claim 2 wherein: the side that the driving gear (31) was kept away from to fastening gear (41) is gone up coaxial fixed mounting has bearing III (42), the outside of bearing III (42) is equipped with fixed plate (43), the lateral surface of bearing III (42) and the medial surface fixed joint of fixed plate (43), fixed plate (43) and connecting rod (4) pass through screw thread fixed connection.

5. The nut turning gear in a confined space as set forth in claim 4, wherein: the utility model discloses a control rod (5) has been cup jointed to the activity in connecting rod (4), the one end that control rod (5) is close to sleeve (1) and floating plate (51) fixed connection, floating plate (51) are located the outside of fixed plate (43), pressure spring (52) have been cup jointed in the outside of control rod (5) between floating plate (51) and fixed plate (43), the one end and the medial surface fixed connection of floating plate (51) of pressure spring (52), the one end that sleeve (1) was kept away from to control rod (5) is equipped with hasp (54), hasp (54) are located the outside of connecting rod (4) tip, hasp (54) are connected with control rod (5) rotation, be equipped with rubber packing ring (55) between the tip of hasp (54) and connecting rod (4).

6. The nut turning gear in a confined space as set forth in claim 2 wherein: the outside of connecting rod (4) is equipped with locking board (6) between driving gear (31) and fastening gear (41), locking board (6) cup joint with the inner wall activity of fastening gear (41), fixed mounting has lug (61) on locking board (6) inner wall, locking slot (62) have been seted up in corresponding position department on the inner wall of driving gear (31) next door to locking board (6), and locking slot (62) correspond with locking board (6).

7. The nut turning gear in a confined space as set forth in claim 6, wherein: the clamping plates (53) are fixedly mounted on the outer wall of the control rod (5) at the inner side of the protruding block (61), the clamping plates (53) are a group of fan-shaped plates which are arranged side by side along the axial direction of the control rod (5), the protruding block (61) is located between the clamping plates (53), and a through groove is formed in the outer wall of the connecting rod (4) beside the clamping plates (53) along the axial direction of the connecting rod (4).