Tool for disassembling gear ring buckle of gear shifting fork of gearbox

By designing a disassembly tool for the fork ring clip, the linear drive assembly and elastic resetting parts are used to achieve convenient disassembly of the clip, the problem of low disassembly efficiency in the prior art is solved, and the disassembly efficiency and simplicity of operation are improved.

CN222626840UActive Publication Date: 2025-03-18CHONGQING YUXIANG SHEHUI GEARBOX CO LTD
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Patent Information

Application Number
CN202421258237.5
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-06-04
Publication Date
2025-03-18
Estimated Expiration
2034-06-04

AI Technical Summary

Technical Problem

In the prior art, the ring gear buckles at both ends of the fork are easily worn and deformed after long-term use, resulting in weak gear shifting and shifting of the gearbox. The existing disassembly method is inefficient, especially due to the positional interference of the fork connector, the buckle is inconvenient to disassemble.

Method used

A gearbox gear shift fork ring buckle removal tool is designed, including a base, mounting frame, limit frame and disassembly mechanism. The linear drive assembly drives the transmission frame downward, and the elastic reset member and extrusion rod are used to extrude the snap out of the through hole, thereby achieving convenient disassembly of the snap.

Benefits of technology

The tooling can quickly and conveniently remove the snaps on the fork, avoiding the interference of the fork connector on the disassembly, improving the disassembly efficiency and simplifying the operation process.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model belongs to the technical field of automobile gearboxes, and particularly relates to a gearbox shifting fork gear ring buckle disassembling tool which comprises a base, and an installation frame is arranged on the base. A shifting fork connector is arranged on the outer side wall of one end of the shifting fork, and the two ends of the shifting fork are sleeved with buckles in a clamped mode. The limiting rack comprises a rack body, a first limiting groove, a first through hole, a second limiting groove and a second through hole; the first limiting groove and the second limiting groove are used for clamping the two ends of the shifting fork correspondingly, and buckles at the two ends of the shifting fork can be arranged in the first through hole and the second through hole correspondingly. The dismounting mechanism comprises a linear driving assembly, an elastic reset piece, a guide assembly, a transmission frame and an extrusion rod, the driving end of the linear driving assembly is located above the transmission frame, the transmission frame is vertically and movably arranged above the frame body through the guide assembly and connected with the top of the frame body through the elastic reset piece, and the extrusion rod is connected to the bottom of the transmission frame. The end, away from the shifting fork, of the shifting fork connector can stretch into the transmission frame, and buckle disassembly is facilitated.
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Description

Technical Field

[0001] The utility model belongs to the technical field of automobile gearboxes, and in particular relates to a gearbox shift fork gear ring buckle disassembly tool. Background Art

[0002] As a key component in the automobile gearbox, the shift fork plays an important role in the vehicle's speed change and gear shifting. On the other hand, it also plays a key role in the smoothness of the gear shifting during driving and improving driving comfort. During the working process, the shift fork needs to continuously shift the corresponding gears according to the shifting instructions to achieve gear shifting. Specifically, the gear ring buckles set at both ends of the shift fork shift the corresponding gears to achieve gear shifting.

[0003] At present, the gear ring buckles at both ends of the shift fork are prone to wear and deformation after long-term use. In order to avoid the worn and deformed buckles causing the gearbox to shift powerlessly and prevent automatic gear engagement or automatic gear disengagement, the buckles need to be disassembled and replaced to ensure the safety of the gearbox shifting. Currently, most of the buckles are squeezed out of the shift fork for disassembly by manual handheld disassembly tools, wherein a shift fork connector is provided at one end of the shift fork, which is used to connect the shift fork with the inside of the gearbox. Since the shift fork connector is fixedly connected to the outer wall of one end of the shift fork, and the end of the shift fork connector away from the shift fork is opposite to the buckle on the shift fork, the disassembly of the buckle is interfered with, making the buckle on the shift fork inconvenient to disassemble and the disassembly efficiency is low. Utility Model Content

[0004] In order to solve the above technical problems, the utility model provides a gearbox shift fork gear ring buckle disassembly tool to solve the existing method of disassembling the buckle from the shift fork by manually holding a disassembly tool, wherein a shift fork connector is provided at one end of the shift fork, and the shift fork connector is used to connect the shift fork with the inside of the gearbox. Since the position of the shift fork connector is opposite to the buckle on the shift fork, the disassembly of the buckle is interfered, making it inconvenient to disassemble the buckle on the shift fork and the disassembly efficiency is low.

[0005] The technical solution adopted by the utility model is as follows: a gearbox shift fork gear ring buckle disassembly tool, comprising a base, on which a mounting frame is arranged;

[0006] A shift fork, wherein a shift fork connector is provided on the outer side wall of one end of the shift fork, buckles are provided on the clamping sleeves at both ends of the shift fork, and the end of the shift fork connector away from the shift fork is arranged opposite to the buckle at the corresponding end;

[0007] A limit frame, the limit frame comprises a frame body, a first limit groove, a first through hole, a second limit groove and a second through hole; the frame body is a rectangular frame structure, the first limit groove is arranged at the top of the frame body, the first through hole vertically penetrates the frame body and is arranged at the bottom of the first limit groove, the second limit groove is arranged at the inner bottom of the frame body, the second through hole vertically penetrates the frame body and is arranged at the bottom of the second limit groove, the first limit groove and the second limit groove are respectively used to clamp the two ends of the fork, and the buckles at the two ends of the fork can be respectively placed in the first through hole and the second through hole;

[0008] The disassembly mechanism comprises a linear drive assembly, an elastic reset member, a guide assembly, a transmission frame and an extrusion rod, the linear drive assembly is vertically arranged on the mounting frame, the driving end of the linear drive assembly is located above the transmission frame and can drive the transmission frame to move downward, the guide assembly is vertically arranged on the top of the frame, the transmission frame is vertically movably arranged above the frame through the guide assembly, the elastic reset member is connected to the bottom of the transmission frame, the bottom of the elastic reset member is connected to the top of the frame, the extrusion rod is connected to the bottom of the transmission frame and is located directly above the first through hole, and the end of the fork connector away from the fork can extend into the transmission frame.

[0009] Furthermore, the linear drive assembly includes a cylinder and a pressure column. The cylinder is vertically fixed on the mounting frame. The driving end of the cylinder passes downward through the top of the mounting frame and is connected to the pressure column. The pressure column is located directly above the transmission frame.

[0010] Furthermore, the guide assembly includes a sliding rod and a sliding block, the sliding rod is provided in two, the two sliding rods are respectively vertically fixedly connected to the two sides of the transmission frame, the two sides of the transmission frame are respectively fixedly connected with sliding blocks, and the sliding blocks on the two sides of the transmission frame are respectively vertically slidably sleeved on the sliding rod.

[0011] Furthermore, the elastic reset member is a spring, and two springs are provided. The two springs are respectively vertically arranged on both sides of the extrusion rod, and the upper and lower ends of the spring are respectively fixedly connected to the bottom of the transmission frame and the top of the frame body.

[0012] Furthermore, support columns are fixedly connected to both sides of the bottom of the frame, and the lower ends of the support columns are fixedly connected to the base.

[0013] Beneficial effects of the utility model:

[0014] Before disassembly, the driving end of the linear drive assembly is located directly above the transmission frame. At this time, the elastic return member is only affected by the gravity of the transmission frame, so that the elastic return member supports the bottom of the transmission frame and the top of the frame to form a certain interval, which is convenient for the two ends of the shift fork to be respectively clamped in the first limit groove and the second limit groove, and the clips at both ends are respectively placed in the first through hole and the second through hole, and the shift fork is limitedly clamped. At this time, the end of the shift fork connector away from the shift fork extends into the transmission frame, which is convenient for quick limit clamping of the shift fork, thereby facilitating the subsequent disassembly of the clip of the shift fork. When the driving end of the linear drive assembly moves vertically downward and abuts against the top of the transmission frame, it continues to move and drives the transmission frame to move downward. At this time, the elastic return member is gradually compressed until the lower end of the extrusion rod is The buckle in the first limiting groove is squeezed into the first through hole, so that the buckle on the shift fork is separated from the shift fork, thereby completing the disassembly of the buckle. The structure is simple and the disassembly is convenient. Then, the linear drive assembly is started again so that the driving end of the linear drive assembly is located directly above the transmission frame. At this time, the transmission frame is not affected by the external force of the linear drive assembly, and the elastic reset member resets the transmission frame. The elastic reset member supports the bottom of the transmission frame and the top of the frame to form a certain interval, which is convenient for removing the shift fork after the buckle at one end is removed, and the other end of the shift fork without the buckle removed is clamped in the first limiting groove, and the above disassembly operation is repeated, so as to conveniently remove the buckles at both ends of the shift fork, and avoid the interference of the shift fork connector on the buckle disassembly, making the buckle on the shift fork more convenient to disassemble and improving the efficiency of shift fork disassembly. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 This is a schematic diagram of the overall structure of the utility model (when the shift fork is connected to the tooling);

[0016] Figure 2 This is a schematic diagram of the overall structure of the utility model (when the shift fork is not connected to the tooling);

[0017] Figure 3 It is a structural schematic diagram of the shift fork of the utility model;

[0018] The attached drawings are marked as follows:

[0019] Base 1, mounting frame 11, shift fork 2, shift fork connector 21, buckle 22, limit frame 3, frame body 31, first limit groove 32, first through hole 33, second limit groove 34, second through hole 35, support column 36, disassembly mechanism 4, elastic reset member 41, transmission frame 42, extrusion rod 43, linear drive assembly 5, cylinder 51, pressure column 52, guide assembly 6, slide rod 61, slide block 62. DETAILED DESCRIPTION

[0020] The following is a further detailed description of the implementation of the present invention in conjunction with the accompanying drawings and examples. The following examples are used to illustrate the present invention, but cannot be used to limit the scope of the present invention.

[0021] In the description of the present invention, unless otherwise specified, "multiple" means two or more; the terms "upper", "lower", "left", "right", "inner", "outer", "front end", "rear end", "head", "tail" and the like indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, which is only for the convenience of describing the present invention and simplifying the description, and does not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operate in a specific orientation, and therefore cannot be understood as limiting the present invention. In addition, the terms "first", "second", "third" and the like are only used for descriptive purposes and cannot be understood as indicating or implying relative importance.

[0022] In the description of the present invention, it should be noted that, unless otherwise clearly specified and limited, the terms "connected" and "connection" should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection or an indirect connection through an intermediate medium. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0023] Embodiment 1:

[0024] like Figure 1 to Figure 3 As shown, a gearbox shift fork gear ring buckle removal tool comprises a base 1, on which a mounting frame 11 is arranged; the mounting frame 11 is a rectangular frame structure, and the lower end of the mounting frame 11 is open, and the lower end of the mounting frame 11 is fixedly connected to the base 1;

[0025] A shift fork 2, wherein a shift fork connector 21 is provided on the outer side wall of one end of the shift fork 2, and buckles 22 are provided at both ends of the shift fork 2, and the end of the shift fork connector 21 away from the shift fork 2 is arranged opposite to the buckle 22 at the corresponding end;

[0026] The limiting frame 3 includes a frame body 31, a first limiting groove 32, a first through hole 33, a second limiting groove 34 and a second through hole 35; the frame body 31 is a rectangular frame structure, the first limiting groove 32 is arranged at the top of the frame body 31, the first through hole 33 vertically penetrates the frame body 31 and is arranged at the bottom of the first limiting groove 32, the second limiting groove 34 is arranged at the inner bottom of the frame body 31, the second through hole 35 vertically penetrates the frame body 31 and is arranged at the bottom of the second limiting groove 34, the first limiting groove 32 and the second limiting groove 34 are respectively used to clamp the two ends of the fork 2, and the buckles 22 at the two ends of the fork 2 can be respectively placed in the first through hole 33 and the second through hole 35; in this embodiment, the first through hole 33 and the second through hole 35 have the same size and shape, and the first through hole 33 and the second through hole 35 are vertically arranged opposite to each other. The first limiting groove 32 and the second limiting groove 34 are of the same size and shape and are arranged relatively to each other, so that when the buckles 22 at both ends of the fork 2 are disassembled respectively, the two ends of the fork 2 can be respectively clamped in the first limiting groove 32 in turn, and blanking is carried out through the first through hole 33. The second limiting groove 34 and the second through hole 35 mainly limit the buckle 22 at the other end of the fork 2, which is convenient for disassembly, thereby improving the disassembly efficiency; the buckle 22 includes two first rectangular blocks and second rectangular blocks that are fixedly connected, the cross-sectional area of ​​the first rectangular block is smaller than the cross-sectional area of ​​the second rectangular block, the first rectangular block is clamped and sleeved on the fork 2, and the surface of the second rectangular block fixedly connected to the first rectangular block abuts against the inner side wall of the fork 2, and the second rectangular block can be placed in the first through hole 33 and can movably pass through the first through hole 33, which is convenient for blanking of the buckle 22.

[0027] The disassembly mechanism 4 includes a linear drive component 5, an elastic reset member 41, a guide component 6, a transmission frame 42 and an extrusion rod 43. The linear drive component 5 is vertically arranged on the mounting frame 11, and the driving end of the linear drive component 5 is located directly above the transmission frame 42, which can drive the transmission frame 42 to move downward. The guide component 6 is vertically arranged on the top of the frame body 31, and the transmission frame 42 is vertically movable above the frame body 31 through the guide component 6. The elastic reset member 41 is connected to the bottom of the transmission frame 42, and the bottom of the elastic reset member 41 is connected to the top of the frame body 31. The extrusion rod 43 is connected to the bottom of the transmission frame 42 and is located directly above the first through hole 33. The end of the fork connector 21 away from the fork 2 can extend into the transmission frame 42. Specifically, before disassembly, the driving end of the linear drive assembly 5 is located directly above the transmission frame 42. At this time, the elastic return member 41 is only affected by the gravity of the transmission frame 42, so that the elastic return member 41 supports the bottom of the transmission frame 42 and the top of the frame at a certain interval, which is convenient for the two ends of the fork 2 to be respectively snapped into the first limit groove 32 and the second limit groove 34, and at this time, the end of the fork connector 21 away from the fork 2 extends into the transmission frame 42, which is convenient for the limited snap connection of the fork 2, thereby facilitating the subsequent disassembly of the buckle 22 of the fork 2. When the driving end of the component 5 moves vertically downward and abuts against the top of the transmission frame 42, it continues to move and drives the transmission frame 42 to move downward. At this time, the elastic reset component 41 is gradually compressed until the lower end of the extrusion rod 43 squeezes the buckle 22 in the first limiting groove 32 into the first through hole 33, so that the buckle 22 on the fork 2 is separated from the fork 2, thereby completing the disassembly of the buckle 22, with a simple structure and convenient disassembly; in this embodiment, the cross-sectional area of ​​the extrusion rod 43 is smaller than the cross-sectional area of ​​the first rectangular block, so that the extrusion rod 43 can squeeze the first rectangular block away from the fork 2. In other embodiments, the driving end of the linear drive assembly 5 is fixedly connected to the top of the transmission frame 42.

[0028] As a preferred solution, the linear drive assembly 5 includes a cylinder 51 and a pressure column 52. The cylinder 51 is vertically fixedly mounted on the mounting frame 11. The driving end of the cylinder 51 passes through the top of the mounting frame 11 downward and is connected to the pressure column 52. The pressure column 52 is located directly above the transmission frame 42 and can abut against the top of the transmission frame 42. The pressure column 52 can drive the transmission frame 42 to move downward during the downward movement. The cylinder 51 is started to drive the pressure column 52 downward. The pressure column 52 can drive the transmission frame 42 to move downward during the downward movement, thereby driving the extrusion rod 43 at the bottom of the transmission frame 42 to move downward, and then driving the extrusion rod 43 to squeeze the buckle 22 on the fork 2 out of the fork 2, thereby realizing the disassembly of the buckle 22.

[0029] As a preferred solution, the guide assembly 6 includes a slide bar 61 and a slider 62. The slide bar 61 is provided in two pieces. The two slide bars 61 are respectively vertically fixedly connected to the two sides of the transmission frame 42. The two sides of the transmission frame 42 are respectively fixedly connected with sliders 62. The sliders 62 on the two sides of the transmission frame 42 are respectively vertically slidably sleeved on the slide bar 61. The slider 62 slides vertically on the slide bar 61, thereby driving the transmission frame 42 to slide vertically on the slide bar 61, so that the transmission frame 42 is more stable when moving vertically.

[0030] As a preferred solution, the elastic reset member 41 is a spring, and two springs are provided. The two springs are respectively vertically arranged on both sides of the extrusion rod 43, and the upper and lower ends of the spring are respectively fixedly connected to the bottom of the transmission frame 42 and the top of the frame body 31. By setting the elastic reset member 41 as a spring, the structure is simple and reset is convenient.

[0031] As a preferred solution, Figure 1 and Figure 2 As shown, support columns 36 are fixedly connected to both sides of the bottom of the frame 31, and the lower ends of the support columns 36 are fixedly connected to the base 1. The frame 31 is fixedly connected to the base 1 by the support columns 36 on both sides of the bottom of the frame 31, so that the bottom of the frame 31 and the top of the base 1 are spaced at a certain distance, and the support columns 36 are located on both sides of the second limiting groove 34, so that when one end of the fork 2 connected to the fork connector 21 is clamped in the second limiting groove 34, the fork connector 21 can be placed between the support columns 36 on both sides of the bottom of the frame 31, so as to avoid the fork connector 21 interfering with the disassembly of the buckle 22, thereby facilitating the convenient disassembly of the forks 2 at both ends of the fork 2.

[0032] The working mode of the utility model is as follows:

[0033] When in use, before disassembly, the pressure column 52 connected to the driving end of the cylinder 51 is located just above the transmission frame 42. At this time, the spring is only affected by the gravity of the transmission frame 42, so that the bottom of the spring-supported transmission frame 42 is at a certain distance from the top of the frame, which is convenient for the two ends of the shift fork 2 to be respectively clamped in the first limit groove 32 and the second limit groove 34, and the buckles 22 at both ends are respectively placed in the first through hole 33 and the second through hole 35, so as to limit the clamping of the shift fork 2. At this time, the end of the shift fork connector 21 away from the shift fork 2 extends into the transmission frame 42, which is convenient for the rapid limit clamping of the shift fork 2, thereby facilitating the subsequent disassembly of the buckle 22 of the shift fork 2. When the driving end of the cylinder 51 moves vertically downward, the pressure column 52 abuts against the top of the transmission frame 42, continues to move and drives the transmission frame 42 to move downward. At this time, the spring is gradually compressed until the extrusion rod 43 is pressed down The spring supports the bottom of the transmission frame 42 to form a certain interval with the top of the frame, which is convenient for removing the shift fork 2 after the buckle 22 at one end is removed, and the other end of the shift fork 2 without the buckle 22 removed is clamped in the first limiting groove 32, and the above disassembly operation is repeated, so that the buckles 22 at both ends of the shift fork 2 are conveniently disassembled, and the interference of the shift fork connector 21 on the disassembly of the buckle 22 is avoided, making the disassembly of the buckle 22 on the shift fork 2 more convenient, and improving the disassembly efficiency of the shift fork 2.

[0034] The utility model is described in detail above. The description of the specific embodiments is only used to help understand the method and core idea of ​​the utility model. It should be pointed out that for ordinary technicians in this technical field, without departing from the principle of the utility model, the utility model can also be improved and modified, and these improvements and modifications also fall within the scope of protection of the claims of the utility model.

Claims

1. A gearbox shift fork gear ring buckle removal tool, characterized in that: include A base (1), wherein a mounting frame (11) is provided on the base (1); A shift fork (2), wherein a shift fork connector (21) is provided on an outer side wall of one end of the shift fork (2), buckles (22) are provided on the clamping sleeves at both ends of the shift fork (2), and an end of the shift fork connector (21) away from the shift fork (2) is arranged opposite to the buckle (22) at the corresponding end; A limit frame (3), the limit frame (3) comprising a frame body (31), a first limit groove (32), a first through hole (33), a second limit groove (34) and a second through hole (35); the frame body (31) is in a rectangular frame structure, the first limit groove (32) is arranged at the top of the frame body (31), the first through hole (33) vertically penetrates the frame body (31) and is arranged at the bottom of the first limit groove (32), the second limit groove (34) is arranged at the inner bottom of the frame body (31), the second through hole (35) vertically penetrates the frame body (31) and is arranged at the bottom of the second limit groove (34), the first limit groove (32) and the second limit groove (34) are respectively used to clamp the two ends of the shift fork (2), and the buckles (22) at the two ends of the shift fork (2) can be respectively placed in the first through hole (33) and the second through hole (35); A disassembly mechanism (4), the disassembly mechanism (4) comprising a linear drive assembly (5), an elastic reset member (41), a guide assembly (6), a transmission frame (42) and an extrusion rod (43), the linear drive assembly (5) being vertically arranged on a mounting frame (11), the driving end of the linear drive assembly (5) being located above the transmission frame (42) and being capable of driving the transmission frame (42) to move downward, the guide assembly (6) being vertically arranged on the top of a frame body (31), the transmission frame (42) being vertically movably arranged above the frame body (31) through the guide assembly (6), the elastic reset member (41) being connected to the bottom of the transmission frame (42), the bottom of the elastic reset member (41) being connected to the top of the frame body (31), the extrusion rod (43) being connected to the bottom of the transmission frame (42) and being located directly above the first through hole (33), and the end of the shift fork connector (21) away from the shift fork (2) being capable of extending into the transmission frame (42).

2. The gearbox shift fork gear ring buckle removal tool according to claim 1, characterized in that: The linear drive assembly (5) comprises a cylinder (51) and a pressure column (52); the cylinder (51) is vertically fixedly mounted on the mounting frame (11); the driving end of the cylinder (51) passes downward through the top of the mounting frame (11) and is connected to the pressure column (52); the pressure column (52) is located directly above the transmission frame (42).

3. The gearbox shift fork gear ring buckle removal tool according to claim 1, characterized in that: The guide assembly (6) comprises a slide bar (61) and a slider (62), wherein the slide bar (61) is provided in two pieces, and the two slide bars (61) are respectively vertically fixedly connected to two sides of a transmission frame (42), and the two sides of the transmission frame (42) are respectively fixedly connected with sliders (62), and the sliders (62) on the two sides of the transmission frame (42) are respectively vertically slidably sleeved on the slide bar (61).

4. The gearbox shift fork gear ring buckle removal tool according to claim 1, characterized in that: The elastic reset member (41) is a spring, and two of the springs are provided. The two springs are respectively vertically arranged on both sides of the extrusion rod (43), and the upper and lower ends of the spring are respectively fixedly connected to the bottom of the transmission frame (42) and the top of the frame (31).

5. The gearbox shift fork gear ring buckle removal tool according to claim 1, characterized in that: Support columns (36) are fixedly connected to both sides of the bottom of the frame (31), and the lower ends of the support columns (36) are fixedly connected to the base (1).