CN218236106U

CN218236106U - Shifting fork with elastic shifting fork shaft mounting hole

Info

Publication number: CN218236106U
Application number: CN202222639969.6U
Authority: CN
Inventors: 娄开木; 袁弘杰; 胡方峰; 王国华; 林培军; 王建富
Original assignee: Ningbo Shuanghai Machine Manufacturing Co ltd
Current assignee: Ningbo Shuanghai Machine Manufacturing Co ltd
Priority date: 2022-10-08
Filing date: 2022-10-08
Publication date: 2023-01-06
Anticipated expiration: 2032-10-08

Abstract

The utility model discloses a shift fork with elasticity declutch shift shaft mounting hole, including the shift fork base, the both sides of shift fork base are provided with the shift fork arm of mutual symmetry, be connected through the skeleton between shift fork arm and the shift fork base, the centre that is located the shift fork base is provided with the elasticity cassette, the elasticity cassette includes the erection column, and compressible first joint body, the second joint body, the shaping is connected with shift fork base integral type to the erection column, the first joint body, the one end and the erection column fixed connection of the second joint body, the other end is parallel to each other and has the clearance, the erection column is provided with the mounting hole, the mounting hole is linked together with the clearance, the first joint body realizes contracting or relaxing through locking Assembly with the second joint body. The utility model has the advantages of simple and reasonable structure, the adjustment is convenient, and the mounting hole is connected with the declutch shift shaft to utilize locking Assembly to realize the shrink with the second joint body with the first joint body or relax, in order to compensate the gap that produces after the mounting hole wearing and tearing, improve motor transmission's operating condition.

Description

Shifting fork with elastic shifting fork shaft mounting hole

Technical Field

The utility model belongs to the technical field of auto-parts and specifically relates to a shift fork with elasticity shift fork axle mounting hole is related to.

Background

The shifting fork is an important part in the automobile gearbox, is connected with a speed change handle and is positioned at the lower end of the handle, and shifts a middle speed change wheel to change the input/output speed ratio.

Chinese patent CN105156671A, named as fork with replaceable fork foot, is described in the claims as follows: the shifting fork with replaceable shifting fork legs comprises a shifting fork handle seat and shifting fork arms and is characterized in that a mounting hole is formed in the center of the shifting fork handle seat, shifting fork arm connecting frames are arranged at two ends of the shifting fork handle seat, threaded pipes are arranged at the tail ends of the shifting fork arm connecting frames, internal threads are formed in pipe walls inside the threaded pipes, threaded columns with external threads are formed in one ends of the shifting fork arms, the shifting fork legs are arranged at the other ends of the shifting fork arms, and fastening bolt holes are further formed in pipe walls of the threaded pipes.

The replaceability of the fork foot is mentioned in the above-mentioned patent, and it can change to have solved the shift fork arm after wearing and tearing or damage, and need not to carry out whole change to the shift fork body, reduce cost, but has ignored the mounting hole that is located shift fork handle seat central authorities, in the use, has the risk of wearing and tearing equally, treats long-term the back of using, can increase the gap between mounting hole and the declutch shift axle because of wearing and tearing to influence automotive transmission's work efficiency.

Disclosure of Invention

The utility model aims to solve the technical problem that a shift fork with elasticity declutch shift shaft mounting hole is provided, is connected the mounting hole with the declutch shift shaft to utilize locking Assembly to realize the shrink with the second joint body with the first joint body and relax, in order to compensate the gap that produces after the mounting hole wearing and tearing, improve motor transmission's operating condition.

The utility model provides a technical scheme that above-mentioned technical problem adopted does: the utility model provides a shift fork with elasticity declutch shift shaft mounting hole, includes the shift fork base, the both sides of shift fork base be provided with the shift fork arm of mutual symmetry, shift fork arm and shift fork base between be connected through the skeleton, be located the centre of shift fork base and be provided with the elasticity cassette, the elasticity cassette include the erection column, and compressible first joint body, the second joint body, the erection column be connected the shaping with shift fork base integral type, the one end and the erection column fixed connection of first joint body, the second joint body, the other end is parallel to each other and has the clearance, the erection column be provided with the mounting hole, mounting hole and clearance be linked together, first joint body and the second joint body realize the shrink or relax through locking Assembly.

Adopt above-mentioned structure, produced wearing and tearing when mounting hole and declutch shift shaft in long-term use, lead to producing the gap between mounting hole and the declutch shift shaft, influenced normal use, accessible locking Assembly adjusts very conveniently to compensate the gap between mounting hole and the declutch shift shaft, guarantee the utility model discloses a normal work.

As a further improvement, locking Assembly's quantity is two sets of, locking Assembly include locking bolt and lock nut, the first joint body, the second joint body be provided with the lockhole, locking bolt pass through lock nut locking connection behind the lockhole.

As a further improvement of the utility model, the central axis of the locking bolt is perpendicular to the central axis of the mounting hole.

As a further improvement, the mounting hole is provided with a chamfer which runs through the mounting hole from top to bottom and is positioned at the two ports of the mounting hole.

As a further improvement, a terminal surface of erection column is equal to the bottom surface of shift fork base mutually, and another terminal surface exceeds the top surface of shift fork base, the upper and lower both ends face of erection column respectively with the upper and lower both ends face looks parallel and level of the first joint body, the second joint body.

The utility model has the advantages of simple and reasonable structure, the adjustment is convenient, and the mounting hole is connected with the declutch shift shaft to utilize locking Assembly to realize the shrink with the second joint body with the first joint body or relax, in order to compensate the gap that produces after the mounting hole wearing and tearing, improve motor transmission's operating condition. Because of erection column and shift fork base body coupling shaping, the first joint body, wherein one end and erection column fixed connection of the second joint body, the setting up of the other end forms and has gapped annular form, so when locking Assembly is locking with strength, can make the erection column produce compressive deformation, thereby make the mounting hole in the erection column realize that the compression diminishes, can compensate the gap that the mounting hole produced because of wearing and tearing after using for a long time, convenient adjustment, and the operation of being convenient for, solve the problem of mentioning in the background art, and the work efficiency is improved.

Drawings

FIG. 1 is an exploded view of the present invention;

FIG. 2 is a schematic cross-sectional view of the elastic clamping seat, the shifting fork base and the shifting fork arm.

The reference numbers in the figures illustrate:

1. a shift fork base; 2. a fork arm; 3. a framework; 4. an elastic clamping seat; 5. a gap; 6. locking the bolt; 7. locking the nut;

41. mounting a column; 42. a first clip body; 43. a second clip body;

400. a lock hole; 410. mounting holes; 411. and (6) chamfering.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention more clearly understood, the present invention is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the invention.

As shown in fig. 1 to 2: the utility model provides a shift fork with elasticity declutch shift shaft mounting hole, including shift fork base 1, the both sides of shift fork base 1 are provided with fork arm 2 of mutual symmetry, be connected through skeleton 3 between fork arm 2 and the shift fork base 1, the centre that is located shift fork base 1 is provided with elasticity cassette 4, elasticity cassette 4 includes erection column 41, and compressible first joint body 42, second joint body 43, erection column 41 is connected the shaping with 1 integral type of shift fork base, first joint body 42, the one end and the erection column 41 fixed connection of second joint body 43, the other end is parallel to each other and has clearance 5, erection column 41 is provided with mounting hole 410, mounting hole 410 is linked together with clearance 5, first joint body 42 realizes the shrink or relaxs through locking Assembly with second joint body 43.

Furtherly, constitute shift fork overall structure by shift fork base 1, shift

fork arm

2, 3 three combinations of skeleton to guarantee to have sufficient structural strength.

Furthermore, the elastic clamping seat 4 is composed of a mounting column 41, and a first clamping body 42 and a second clamping body 43 which are positioned at two sides of the mounting column 41, and the first clamping body 42 and the second clamping body 43 are contracted or released by using a locking assembly, so that the mounting hole 410 arranged in the mounting column 41 is contracted or released, and thus, a wear gap generated after long-term rotation friction of the mounting hole 410 is compensated, and the shifting fork of the gearbox is operated more smoothly.

The quantity of locking Assembly is two sets ofly, and locking Assembly includes locking bolt 6 and lock nut 7, and first joint body 42, second joint body 43 are provided with lockhole 400, and locking bolt 6 passes behind lockhole 400 through lock nut 7 locking connection.

Further, in this embodiment, the locking assembly includes a locking bolt 6 and a locking nut 7, and the locking bolt 6 contracts and compresses the first clamping body 42 and the second clamping body 43 through the locking hole 400, so that a gap between the mounting hole 410 and the shift fork shaft is adjusted.

The central axis of the lock bolt 6 is perpendicular to the central axis of the mounting hole 410.

Further, as the structural design, the normal working requirement of the locking bolt 6 is met, and the function of the locking bolt 6 is ensured to be exerted to the maximum.

The mounting hole 410 is arranged to penetrate up and down, and chamfers 411 are arranged at two ports of the mounting hole 410.

Furthermore, the chamfer 411 structure located at the two ports of the mounting hole 410 is beneficial to the mounting between the mounting hole 410 and the shifting fork shaft, ensures that the shifting fork shaft can be smoothly inserted, and is convenient for assembly.

One end face of the mounting column 41 is flush with the bottom face of the shifting fork base 1, the other end face is higher than the top face of the shifting fork base 1, and the upper end face and the lower end face of the mounting column 41 are respectively flush with the upper end face and the lower end face of the first clamping body 42 and the second clamping body 43.

Further, in this embodiment, as the above structural design, it is beneficial to improve the structural strength of the mounting post 41 and the shift fork base 1, and prolong the service life.

The above description is only exemplary of the present invention and should not be taken as limiting the scope of the present invention, as any modifications, equivalents, improvements and the like made within the spirit and principles of the present invention are intended to be included within the scope of the present invention.

Claims

1. The utility model provides a shift fork with elasticity declutch shift shaft mounting hole, includes shift fork base (1), its characterized in that the both sides of shift fork base (1) be provided with shift fork arm (2) of mutual symmetry, shift fork arm (2) and shift fork base (1) between be connected through skeleton (3), the centre that is located shift fork base (1) is provided with elasticity cassette (4), elasticity cassette (4) including erection column (41) and compressible first joint body (42), second joint body (43), erection column (41) and shift fork base (1) integral type be connected the shaping, the one end and erection column (41) fixed connection of first joint body (42), second joint body (43), the other end is parallel to each other and has clearance (5), erection column (41) be provided with mounting hole (410), mounting hole (410) be linked together with clearance (5), first joint body (42) and second joint body (43) realize contracting or relax through locking assembly.

2. The shifting fork with the elastic shifting fork shaft mounting hole according to claim 1, wherein the number of the locking assemblies is two, the locking assemblies comprise locking bolts (6) and locking nuts (7), the first clamping body (42) and the second clamping body (43) are provided with locking holes (400), and the locking bolts (6) penetrate through the locking holes (400) and then are in locking connection through the locking nuts (7).

3. A fork having a resilient fork shaft mounting hole according to claim 2, wherein the central axis of the locking bolt (6) is perpendicular to the central axis of the mounting hole (410).

4. The shifting fork with the elastic shifting fork shaft mounting hole according to claim 1, wherein the mounting hole (410) is arranged to penetrate up and down, and chamfers (411) are arranged at two ports of the mounting hole (410).

5. The shifting fork with the elastic shifting fork shaft mounting hole according to claim 1, wherein one end surface of the mounting column (41) is flush with the bottom surface of the shifting fork base (1), the other end surface is higher than the top surface of the shifting fork base (1), and the upper end surface and the lower end surface of the mounting column (41) are flush with the upper end surface and the lower end surface of the first clamping body (42) and the second clamping body (43), respectively.