CN214888803U

CN214888803U - Shifting fork with wear-resisting lubricating function

Info

Publication number: CN214888803U
Application number: CN202121749058.8U
Authority: CN
Inventors: 王直军
Original assignee: Taizhou Huiyu Auto Parts Co ltd
Current assignee: Taizhou Huiyu Auto Parts Co ltd
Priority date: 2021-07-29
Filing date: 2021-07-29
Publication date: 2021-11-26
Anticipated expiration: 2031-07-29

Abstract

The utility model discloses a gear shifting fork with wear-resistant lubricating function, which is arranged outside a synchronizer gear ring and is used for shifting the synchronizer gear ring so as to realize the combination and separation of each forward gear; the left side of the gear shifting fork fixing sleeve is provided with a mounting frame, the rear side of the gear shifting fork fixing sleeve is connected with a gear shifting fork mounting block, and a mounting groove is formed in the gear shifting fork mounting block; the method comprises the following steps: the gear shifting fork body is arranged at one end, far away from the gear shifting fork fixing sleeve, of the mounting frame; and the shifting fork end feet are symmetrically arranged at one end of the shifting fork body far away from the mounting frame. This shift fork of shifting with wear-resisting lubricating function utilizes the rolling reducible shift fork end foot of ball body and the frictional force between the synchronizer ring gear to utilize the lubricated greasy dirt of synchronizer ring gear to permeate between ball body and the shift fork end foot of shifting and between ball body and the ball groove, increase the degree of lubrication of roll department, reduce the wearing and tearing of shift fork end foot of shifting.

Description

Shifting fork with wear-resisting lubricating function

Technical Field

The utility model relates to a shift fork technical field specifically is a shift fork of shifting with wear-resisting lubricating function.

Background

The shifting fork is arranged in the gearbox to work, and the shifting fork is used for shifting the synchronizer gear ring to realize the combination and separation of the advancing gears.

The utility model discloses a shift fork of shifting for CN112576745A name, including the shift fork body of shifting and with the shift fork body of shifting the fixed shift fork of laminating, the shift fork body of shifting including transversely running through the through-hole of the shift fork body of shifting, set up at the shift fork groove of shifting of shift fork body one side and set up on the lateral wall of the shift fork body and with the locating hole of through-hole intercommunication, the shift fork of shifting including be arched shift fork foot and with shift fork body matching laminating fixed canned paragraph, the canned paragraph on set up the through-hole that corresponds with the through-hole, just shift fork body and shift fork of shifting all be provided with two at least screw that correspond and pass through bolt fixed connection. The invention greatly reduces the rejection rate and the possibility of correcting rebound, ensures that the integral stability of the product is better, and the processing of each part is quicker.

The above prior art solutions have the following drawbacks: the most easily worn place of the shifting fork is the contact part of the shifting fork and the gear ring groove, and the shifting fork cannot rotate due to high-speed rotation of the gear, so that the shifting fork is worn or has insufficient strength, the gear can be prevented from being hung in place and falling off or the shifting fork is broken, the wear-resistant lubricating performance of the shifting fork cannot be improved, the long-term use of the shifting fork is not facilitated, and the shifting fork is not facilitated to be assembled and operates in a limited space.

Therefore, we have proposed a shift fork having a wear-resistant lubricating function so as to solve the above-mentioned proposed problems.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a shift fork of shifting with wear-resisting lubricating function to solve the wear-resisting lubricating property that can not improve the shift fork on the existing market that above-mentioned background art provided, be unfavorable for the long-term use of shift fork, and be unfavorable for the assembly of shift fork and the problem of operation in limited space.

In order to achieve the above object, the utility model provides a following technical scheme: a shifting fork with wear-resistant lubricating function is arranged outside a synchronizer gear ring and used for shifting the synchronizer gear ring so as to realize the combination and separation of forward gears;

the left side of the gear shifting fork fixing sleeve is provided with a mounting frame, the rear side of the gear shifting fork fixing sleeve is connected with a gear shifting fork mounting block, and a mounting groove is formed in the gear shifting fork mounting block;

the method comprises the following steps:

the gear shifting fork body is arranged at one end, far away from the gear shifting fork fixing sleeve, of the mounting frame;

the gear shifting fork end foot is symmetrically installed the gear shifting fork body is kept away from one end of the mounting rack, the inner side wall of the gear shifting fork end foot is even, a ball groove is formed, and a ball body is installed inside the ball groove.

Preferably, the shift fork body of shifting is including crooked part and straight part, just crooked part is installed shift fork body is last, and the end connection of crooked part has straight part, just straight part is kept away from the one end of crooked part with shift fork end foot is connected.

Preferably, the straight part is symmetrically arranged about the center line of the bent part, and the top view surface of the bent part is in an arc structure, so that the design can reserve space for the synchronizer ring to rotate, and reduce the occupied space.

Preferably, the side view surface of the shifting fork end pin is of a C-shaped structure, and the ball bodies are uniformly distributed on the inner side surface of the shifting fork end pin, so that the shifting fork end pin and the synchronizer gear ring are clamped conveniently, the synchronizer gear ring and the shifting fork end pin are assembled, and the friction force between the synchronizer gear ring and the shifting fork end pin is reduced by the ball bodies.

Preferably, shift fork fixing sleeve with shift fork installation piece is the vertical plane in-distribution, and shift fork fixing sleeve is upper and lower end open-ended hollow column structure, and this design is convenient for insert the actuating lever in the shift fork fixing sleeve that shifts, realizes the installation of shift fork fixing sleeve and actuating lever.

Preferably, the ball body is made of steel, and one half of the outer diameter of the ball body is smaller than the depth of the ball groove, so that the corrosion of the ball body can be reduced, and the ball body can not be separated from the ball groove while smoothly rotating in the ball groove.

Compared with the prior art, the beneficial effects of the utility model are that: the gear shifting fork with the wear-resistant lubricating function,

(1) the gear shifting mechanism consisting of the gear shifting fork fixing sleeve, the mounting frame, the gear shifting fork body, the bent part, the straight part and the gear shifting fork end pin is convenient to assemble and mount, the occupied volume of the gear shifting fork body is reduced while the synchronizer gear ring is ensured to rotate smoothly, and the gear shifting mechanism is convenient to work in an automobile gearbox;

(2) the steel ball body is evenly installed on the inner side of the shifting fork end pin, friction between the shifting fork end pin and the synchronizer gear ring can be reduced by rolling of the ball body, lubricating oil dirt of the synchronizer gear ring is infiltrated into the ball body, the shifting fork end pin and the ball body and the ball groove, the lubrication degree of the rolling part is increased, abrasion of the shifting fork end pin is reduced, and the service life of the device is prolonged.

Drawings

FIG. 1 is a schematic perspective view of the present invention;

fig. 2 is a schematic view of the bottom view structure of the present invention;

FIG. 3 is a schematic view of the structure of the shifting fork mounting block of the present invention;

FIG. 4 is a schematic view of the main section structure of the present invention;

FIG. 5 is a schematic view of the structure of the shift fork end pin of the present invention;

fig. 6 is the utility model discloses shift fork end foot of shifting cuts open the schematic diagram mainly.

In the figure: 1. a shifting fork fixing sleeve; 2. a mounting frame; 3. a shift fork body; 301. a bending member; 302. a straight component; 4. a gear shifting fork end pin; 5. a shifting fork mounting block; 6. mounting grooves; 7. a ball groove; 8. a ball body.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-6, the present invention provides a technical solution: a shifting fork with wear-resistant lubricating function is arranged outside a synchronizer gear ring and used for shifting the synchronizer gear ring so as to realize the combination and separation of forward gears;

the left side of the shifting fork fixing sleeve 1 is provided with a mounting frame 2, the rear side of the shifting fork fixing sleeve 1 is connected with a shifting fork mounting block 5, and a mounting groove 6 is formed in the shifting fork mounting block 5;

the method comprises the following steps:

the gear shifting fork body 3 is arranged at one end of the mounting frame 2, which is far away from the gear shifting fork fixing sleeve 1;

shift fork end foot 4 shifts, the one end of keeping away from mounting bracket 2 at the shift fork body 3 is installed to the symmetry to shift fork end foot 4's the even ball groove 7 of having seted up of inside wall, and the internally mounted of ball groove 7 has ball body 8.

The shift fork body 3 comprises a curved part 301 and a straight part 302, the curved part 301 is installed on the shift fork body 3, the end of the curved part 301 is connected with the straight part 302, and one end of the straight part 302 far away from the curved part 301 is connected with the shift fork end pin 4. The straight portion 302 is disposed symmetrically with respect to the center line of the curved portion 301, and the curved portion 301 has an arc-shaped configuration in a plan view. The gear shifting fork fixing sleeve 1 and the gear shifting fork mounting block 5 are distributed in a vertical plane, and the gear shifting fork fixing sleeve 1 is of a hollow structure with an upper end and a lower end being open.

The actuating lever cover is established on shift fork fixing sleeve 1, and pass the bolt mounting groove 6 and be connected with the actuating lever, realize shift fork fixing sleeve 1's assembly, and the other end and the actuating mechanism of actuating lever are connected, actuating mechanism control shift fork body 3 removes, straight part 302 on the shift fork body 3 is connected with shift fork end foot 4, steerable shift fork end foot 4 removes, shift fork end foot 4 card is in the annular of synchronizer ring gear, when the car goes, the synchronizer is rotatory along with derailleur drive mechanism, synchronizer ring gear rotation, shift fork body 3 removes synchronizer ring gear, thereby remove the synchronizer, realize shifting.

The side view surface of the shifting fork end foot 4 is of a C-shaped structure, and ball bodies 8 are uniformly distributed on the inner side surface of the shifting fork end foot 4. The ball body 8 is made of steel, and one half of the outer diameter of the ball body 8 is smaller than the depth of the ball groove 7.

During the rotation of synchronizer ring, direct and the ball body 8 contact of 4 inboard installations of shift fork end foot during the rotation of synchronizer ring, reduce the rotational friction power between shift fork end foot 4 and the synchronizer ring to reduce the wearing and tearing of shift fork end foot 4, and the greasy dirt of the lubricated oil dirt of synchronizer ring department can permeate to between ball body 8 and the shift fork end foot 4 of shifting and between ball body 8 and ball groove 7, increase the degree of lubrication, further reduce the wearing and tearing of shift fork end foot 4 of shifting.

The working principle is as follows: when the gear shifting fork with the wear-resistant lubricating function is used, firstly, a driving rod and a gear shifting fork fixing sleeve 1 are installed, the other end of the driving rod is connected with a driving mechanism, the driving mechanism controls a gear shifting fork body 3 to move, a synchronizer gear ring is moved, and therefore a synchronizer is moved to achieve gear shifting, when the synchronizer gear ring rotates, a ball body 8 reduces the rotating friction force between a gear shifting fork end foot 4 and the synchronizer gear ring, lubricating oil at the synchronizer gear ring increases the lubricating degree, and the abrasion of the gear shifting fork end foot 4 is reduced.

Although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments or portions thereof without departing from the spirit and scope of the invention.

Claims

1. A shifting fork with wear-resistant lubricating function is arranged outside a synchronizer gear ring and used for shifting the synchronizer gear ring so as to realize the combination and separation of forward gears;

the method is characterized in that: the method comprises the following steps:

2. A shift fork with wear-resistant and lubrication function according to claim 1, wherein: the gear shifting fork body comprises a bent part and a straight part, the bent part is installed on the gear shifting fork body, the end part of the bent part is connected with the straight part, and one end, far away from the bent part, of the straight part is connected with a gear shifting fork end pin.

3. A shift fork with wear-resistant and lubrication function according to claim 2, wherein: the straight part is symmetrically arranged relative to the center line of the bent part, and the plane of the bent part is of an arc structure.

4. A shift fork with wear-resistant and lubrication function according to claim 1, wherein: the side view surface of the shifting fork end pin is of a C-shaped structure, and ball bodies are uniformly distributed on the inner side surface of the shifting fork end pin.

5. A shift fork with wear-resistant and lubrication function according to claim 1, wherein: the gear shifting fork fixing sleeve and the gear shifting fork mounting block are distributed in a vertical plane, and the gear shifting fork fixing sleeve is of a hollow structure with an upper end and a lower end being open.

6. A shift fork with wear-resistant and lubrication function according to claim 1, wherein: the ball body is made of steel, and one half of the outer diameter of the ball body is smaller than the depth of the ball groove.