Shifting fork shaft assembly easy to assemble

Abstract

The utility model relates to the technical field of gearboxes, and discloses an easy-to-assemble shifting fork shaft assembly which comprises a box body, a mounting plate is fixedly mounted on the left side of the top of the box body, a first spring is fixedly connected to the bottom of the mounting plate, a pressure spring is fixedly connected to the bottom of the first spring, a first mounting hole is formed in the left side of the box body, and a second mounting hole is formed in the right side of the box body. A shifting fork shaft is mounted in the first mounting hole, a compressed spring hole is formed in the left side of the top of the shifting fork shaft, a positioning hole is formed in the middle of the shifting fork shaft, a shifting fork block is movably mounted on the outer side of the shifting fork shaft, a slot plate is arranged at the bottom of the shifting fork block, a groove connecting plate is arranged at the top of the shifting fork block, and a lock catch is mounted in the middle of the top of the shifting fork block. A first displacement block is arranged in the middle of the lock catch. According to the shifting fork shaft assembly easy to assemble, the locating hole is formed in the shifting fork shaft, and the locating block is arranged on the shifting fork, so that the assembling step of the shifting fork becomes simple, and meanwhile the phenomenon that a fixing pin falls into a gearbox is reduced.

Description

Technical Field

[0001] This utility model relates to the field of gearbox technology, specifically to an easy-to-assemble shift fork shaft assembly. Background Technology

[0002] The engine is the power output mechanism of a car. During driving, the car needs to change its speed according to different road conditions. When the driver needs to change the car speed according to the road conditions, the first thing to do is to switch gears. The shift fork shaft is driven to move axially by the shift fork block. The shift fork shaft is fixed with a shift fork, and the gears in the gearbox are disengaged or engaged through the shift fork to realize the gear change.

[0003] The assembly of modern shift fork shafts is not only complicated, but also difficult due to limited space, which may result in improper assembly. Furthermore, care must be taken during disassembly to prevent the retaining pin from falling into the gearbox. Utility Model Content

[0004] (a) Technical problems to be solved

[0005] In view of the shortcomings of the prior art, the present invention provides an easy-to-assemble shift fork shaft assembly to solve the problems mentioned in the background art.

[0006] (II) Technical Solution

[0007] To achieve the above objectives, this utility model provides the following technical solution: an easy-to-assemble shift fork shaft assembly, comprising a housing, an mounting plate fixedly installed on the top left side of the housing, a spring 1 fixedly connected to the bottom of the mounting plate, a compression spring fixedly connected to the bottom of the spring 1, an installation hole 1 on the left side of the housing, a shift fork shaft installed inside the installation hole 1, a compression spring hole on the top left side of the shift fork shaft, a positioning hole in the middle of the shift fork shaft, a shift fork block movably installed on the outside of the shift fork shaft, a slot plate at the bottom of the shift fork block, a grooved connecting plate at the top of the shift fork block, a latch installed in the middle of the top of the shift fork block, a displacement block 1 in the middle of the latch, a spring 2 fixedly connected to the bottom of the latch, an installation hole on the front right side of the shift fork block, a positioning block installed on the left side of the installation hole 2, a displacement block 2 in the middle of the positioning block, and a spring 3 fixedly connected to the bottom of the positioning block.

[0008] Preferably, the mounting holes are symmetrically distributed from left to right, but the right mounting hole is not a through hole, while the left mounting hole is a through hole.

[0009] Preferably, the compression spring hole is an arc structure that coincides with the center and diameter of the compression spring.

[0010] Preferably, the bottom of displacement block one and the top of displacement block two are both rounded, and the diameter of the rounding is the distance that the top of the positioning block moves to the left until it reaches the outside of mounting hole two.

[0011] Preferably, the shape of the grooved connecting plate is not fixed and can be changed according to the required shape.

[0012] Compared with the prior art, the present invention provides an easy-to-assemble shift fork shaft assembly, which has the following advantages:

[0013] This easy-to-assemble shift fork shaft assembly simplifies the shift fork assembly process by providing a locating hole on the shift fork shaft and a locating block on the shift fork, while also reducing the occurrence of the retaining pin falling into the gearbox. Attached Figure Description

[0014] Figure 1 This is a three-dimensional structural diagram of the present invention;

[0015] Figure 2 For the present utility model Figure 1 Schematic diagram of the cross-sectional structure at point AA;

[0016] Figure 3 This is a three-dimensional structural diagram of the shift fork shaft of this utility model;

[0017] Figure 4 This is a three-dimensional structural diagram of the fork block of this utility model;

[0018] Figure 5 For the present utility model Figure 4 Schematic diagram of the cross-sectional structure at point AA.

[0019] In the diagram: 1. Housing; 2. Shift fork shaft; 3. Shift fork block; 101. Mounting plate; 102. Spring 1; 103. Compression spring; 104. Mounting hole 1; 201. Compression spring hole; 202. Positioning groove; 301. Slot plate; 302. Groove connecting plate; 303. Mounting hole 2; 304. Lock; 305. Positioning block; 306. Spring 2; 307. Spring 3; 308. Displacement block 1; 309. Displacement block 2. Detailed Implementation

[0020] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.

[0021] like Figure 1-5As shown, this utility model provides a technical solution: an easy-to-assemble shift fork shaft assembly, including a housing 1, a mounting plate 101 fixedly installed on the top left side of the housing 1, a spring 102 fixedly connected to the bottom of the mounting plate 101, a compression spring 103 fixedly connected to the bottom of the spring 102, a mounting hole 104 opened on the left side of the housing 1, a shift fork shaft 2 installed inside the mounting hole 104, a compression spring hole 201 opened on the top left side of the shift fork shaft 2, a positioning groove 202 opened in the middle of the shift fork shaft 2, and a movably mounted shift fork shaft 2 on the outer side. There is a fork block 3, a slot plate 301 is provided at the bottom of the fork block 3, a grooved connecting plate 302 is provided at the top of the fork block 3, a latch 304 is installed in the middle of the top of the fork block 3, a displacement block 308 is provided in the middle of the latch 304, a spring 306 is fixedly connected to the bottom of the latch 304, a mounting hole 303 is provided on the right side of the front end of the fork block 3, a positioning block 305 is installed on the left side of the mounting hole 303, a displacement block 309 is provided in the middle of the positioning block 305, and a spring 307 is fixedly connected to the bottom of the positioning block 305.

[0022] Furthermore, the mounting holes 104 are symmetrically distributed from left to right, but the mounting hole 104 on the right side is not a through hole, while the mounting hole 104 on the left side is a through hole.

[0023] The above technical solution ensures that the shift fork shaft 2 will not slide off through the right mounting hole 104 during installation, while also providing space for the shift fork shaft 2 to move.

[0024] Furthermore, the compression spring hole 201 is an arc structure with the same center and diameter as the compression spring 103.

[0025] Through the above technical solution, it is ensured that the shift fork shaft 2 can be positioned by the compression spring and the compression spring hole 201 103, and at the same time, there will not be much resistance when the shift fork shaft 2 needs to be displaced.

[0026] Furthermore, the bottom of displacement block 1 308 and the top of displacement block 2 309 are both rounded, and the diameter of the rounding is the distance that the top of positioning block 305 moves to the left until it reaches the outside of mounting hole 2 303.

[0027] The above technical solution ensures that after the latch 304 is pressed down, the positioning block 305 is not inside the mounting hole 303, thus preventing the assembly and disassembly of the fork block 3.

[0028] Furthermore, the shape of the grooved connecting plate 302 is not fixed and can be changed according to the required shape.

[0029] The above technical solution allows the shift fork shaft 2 and shift fork block 3 to be installed in different gearboxes, improving the applicability of the shift fork shaft 2 and shift fork block 3.

[0030] Working principle: First, install the shift fork shaft 2 inside the left mounting hole 104 on the top of the housing 1. Then, press the latch 304 down to retract the positioning block 305 inward. Then, install the shift fork block 3 on the outside of the shift fork shaft 2 through the mounting hole 203. Then, move the shift fork block 3 to the positioning groove 202 so that the positioning block 305 is placed inside the positioning groove 202 due to the elastic force of the spring 307, thus fixing the shift fork block 3. Then, continue to push the shift fork shaft 2 to the right so that the compression spring 103 is placed in the compression spring hole 201, thus fixing the shift fork shaft 2. When disassembling, simply press the latch 304 down to remove the shift fork block 3.

[0031] Although embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made to these embodiments without departing from the principles and spirit of the present invention, the scope of which is defined by the appended claims and their equivalents.

Claims

1. An easy-to-assemble shift fork shaft assembly, comprising a housing (1), characterized in that: A mounting plate (101) is fixedly installed on the top left side of the housing (1). A spring (102) is fixedly connected to the bottom of the mounting plate (101). A compression spring (103) is fixedly connected to the bottom of the spring (102). A mounting hole (104) is opened on the left side of the housing (1). A shift fork shaft (2) is installed inside the mounting hole (104). A compression spring hole (201) is opened on the top left side of the shift fork shaft (2). A positioning groove (202) is opened in the middle of the shift fork shaft (2). A shift fork block (3) is movably installed on the outside of the shift fork shaft (2). A slot is provided at the bottom of the shift fork block (3). Plate (301), the top of the fork block (3) is provided with a grooved connecting plate (302), the top of the fork block (3) is provided with a buckle (304) in the middle, the buckle (304) is provided with a displacement block (308) in the middle, the bottom of the buckle (304) is fixedly connected with a spring (306), the front end of the fork block (3) is provided with a mounting hole (303) on the right side, the mounting hole (303) is provided with a positioning block (305) on the left side, the positioning block (305) is provided with a displacement block (309) in the middle, and the bottom of the positioning block (305) is fixedly connected with a spring (307).

2. The easily assembled shift fork shaft assembly according to claim 1, characterized in that: The mounting holes (104) are symmetrically distributed from left to right, but the right mounting hole (104) is not a through hole, while the left mounting hole (104) is a through hole.

3. The easily assembled shift fork shaft assembly according to claim 1, characterized in that: The compression spring hole (201) is an arc structure with the same center and diameter as the compression spring (103).

4. The easily assembled shift fork shaft assembly according to claim 1, characterized in that: The bottom of displacement block one (308) and the top of displacement block two (309) are both rounded, and the diameter of the rounded part is the distance that the top of positioning block (305) moves to the left until it reaches the outside of mounting hole two (303).

5. The easily assembled shift fork shaft assembly according to claim 1, characterized in that: The shape of the groove connecting plate (302) is not fixed and can be changed according to the required shape.

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