Gear shifting positioning assembly

Abstract

The utility model discloses a gear shifting positioning assembly which comprises a positioning outer sleeve and a positioning pin body which are arranged on a vehicle body transmission box body, the positioning outer sleeve is provided with a hollow cavity, and the positioning pin body is arranged in the hollow cavity. An elastic piece used for applying pre-tightening force to the positioning pin body is arranged between the bottom of the hollow cavity and the positioning pin body, and an adjusting assembly is arranged at the bottom of the positioning outer sleeve and used for adjusting the pre-tightening force of the elastic piece. According to the gear shifting positioning assembly, due to the fact that the adjusting stud is pre-compressed through the flat gasket and the second-level stiffness spring, different force values are achieved through the screwing-in and screwing-out depth of the adjusting stud so that the gear shifting positioning assembly can adapt to different gear shifting hand feelings, and a client can adjust the gear shifting positioning assembly by himself / herself; and the second-level rigidity spring is designed to have two-level rigidity, the force value in the gear shifting process is changed from the first-level small rigidity to the second-level large rigidity and then returns to the first-level small rigidity, the instantaneous change of the gear shifting force is obtained, and the gear shifting comfort and clearness are obviously improved.

Description

Technical Field

[0001] The utility model relates to the technical field of automobile transmissions, in particular to a gear shift positioning component. Background Art

[0002] A shift pin is usually provided on the transmission case of an automobile. The function of the shift pin is to lock and unlock the gear lever to prevent safety hazards caused by incorrect gear shifting.

[0003] The shift positioning pin in the prior art is affected by the internal spring. Since the spring force value in the existing shift positioning pin cannot be adjusted, different springs must be designed to meet various force value states, which is not convenient for state control and self-adjustment by end users. At the same time, the spring inside the shift positioning pin is usually of single stiffness, and the force value always changes linearly with one stiffness. This results in unclear user feel during the shifting process and after engaging the gear, and poor shifting comfort.

[0004] Therefore, it is necessary to improve the existing gear shift positioning pin structure on the transmission so that the internal spring force value can be adjusted according to user needs to meet the user's driving experience. Utility Model Content

[0005] In view of this, the utility model provides a shift positioning assembly, which disposes an adjustment assembly for adjusting the spring force value at the bottom of the positioning sleeve, so that the spring force value can be adjusted to the best feel that meets the user's needs, thereby improving the user's driving experience.

[0006] The utility model provides a gear shift positioning assembly, including a positioning sleeve and a positioning pin body arranged on a vehicle body transmission case, the positioning sleeve having a hollow cavity and the positioning pin body arranged in the hollow cavity, an elastic member for applying a preload force to the positioning pin body is arranged between the bottom of the hollow cavity and the positioning pin body, an adjustment assembly is arranged at the bottom of the positioning sleeve, and the adjustment assembly is used to adjust the preload force of the elastic member.

[0007] Furthermore, the adjustment assembly includes a flat gasket arranged at the bottom of the hollow cavity and an adjustment stud arranged on the positioning sleeve, the adjustment stud is threadedly connected to the positioning sleeve, and the adjustment stud is used to push the flat gasket to move axially in the hollow cavity.

[0008] Furthermore, the elastic member is a two-stage stiffness spring, one end of the elastic member abuts against the flat gasket, and the other end abuts against the positioning pin body.

[0009] Furthermore, a threaded through hole for communicating with the hollow cavity is provided at the bottom of the positioning sleeve, and the adjusting stud is connected to the positioning sleeve through the threaded through hole.

[0010] Furthermore, a blind hole is provided at one end of the locating pin body facing the hollow cavity, and one end of the elastic member close to the locating pin body extends into the blind hole. A hemispherical socket is provided at the other end of the locating pin body, and a rolling ball is provided in the socket.

[0011] Furthermore, the positioning sleeve is installed on the vehicle body transmission case and is interference fit with the vehicle body transmission case.

[0012] Furthermore, a edging structure is provided on the top of the positioning sleeve, and the edging structure is used to prevent the positioning pin body from falling off the positioning sleeve.

[0013] The beneficial effects of the utility model are as follows: in the gear shift positioning assembly provided by the utility model, since the adjusting stud is pre-compressed by the flat gasket and the secondary stiffness spring, different force values ​​can be achieved by screwing the adjusting stud in and out to adapt to different gear shifting feels, and customers can also adjust it themselves; and the secondary stiffness spring is designed with two levels of stiffness, and the force value during the gear shifting process changes from the first level of small stiffness to the second level of large stiffness and then back to the first level of small stiffness, thereby obtaining an instantaneous change in the gear shifting force, and the comfort and crispness of the gear shifting are significantly improved. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] The utility model is further described below in conjunction with the accompanying drawings and embodiments:

[0015] Figure 1 It is a structural schematic diagram of the shift positioning assembly in the utility model;

[0016] Figure 2 It is a side view of the shift positioning assembly in the utility model;

[0017] Figure 3 It is a structural exploded diagram of the shift positioning assembly in the utility model;

[0018] The figures are marked as follows: 1-positioning sleeve; 2-positioning pin body; 3-secondary stiffness spring; 4-flat washer; 5-adjusting stud; 6-rolling ball; 7-threaded through hole; 8-edge structure. DETAILED DESCRIPTION

[0019] As shown in the figure, the utility model provides a shift positioning assembly, including a positioning sleeve 1 and a positioning pin body 2 arranged on the vehicle body transmission case, the positioning sleeve 1 has a hollow cavity and the positioning pin body 2 is arranged in the hollow cavity, an elastic member for applying a pre-tightening force to the positioning pin body 2 is arranged between the bottom of the hollow cavity and the positioning pin body 2, and an adjustment assembly is arranged at the bottom of the positioning sleeve 1, and the adjustment assembly is used to adjust the pre-tightening force of the elastic member; by arranging an adjustment assembly that can adjust the pre-compression elastic force of the elastic member at the bottom of the positioning sleeve 1, the overall force value of the shift positioning assembly can be adjusted to the best feel that meets the user's needs, thereby improving the user's driving experience.

[0020] In this embodiment, the adjustment component includes a flat gasket 4 arranged at the bottom of the hollow cavity and an adjustment stud 5 arranged on the positioning sleeve, the adjustment stud 5 is threadedly connected to the positioning sleeve 1, and the adjustment stud 5 is used to push the flat gasket 4 to move axially in the hollow cavity; Figure 1 and Figure 3 As shown, since the adjusting stud 5 is threadedly connected to the positioning sleeve 1, the depth of screwing the adjusting stud 5 on the positioning sleeve 1 can be adjusted to push the flat gasket 4 to pre-compress the elastic part, thereby achieving different force values ​​for the shift positioning assembly to adapt to different shifting feels. Customers can also adjust it by themselves.

[0021] In the present embodiment, the elastic member is a two-stage stiffness spring 3, one end of the elastic member abuts against the flat gasket 4, and the other end abuts against the positioning pin body 2; wherein the two-stage stiffness spring 3 can be formed by two springs with different stiffnesses arranged axially in parallel in a hollow cavity, or can be an integral structure with two sections of stiffness made of one spring; by designing the elastic member as a two-stage stiffness spring 3, during the gear shifting process, the force value of the gear shift positioning assembly changes from the first stage of small stiffness to the second stage of large stiffness and then back to the first stage of small stiffness, thereby obtaining an instantaneous change in the gear shifting force, and the comfortable and crisp feeling of gear shifting is significantly improved.

[0022] In this embodiment, the bottom of the positioning sleeve 1 is provided with a threaded through hole 7 for communicating with the hollow cavity, and the adjusting stud 5 is connected to the positioning sleeve 1 through the threaded through hole 7; Figure 3 As shown, the adjusting stud 5 is threadedly connected with the positioning sleeve 1 through the threaded through hole 7 to form a whole.

[0023] In this embodiment, a blind hole is provided at one end of the locating pin body 2 facing the hollow cavity, and the end of the elastic member close to the locating pin body 2 extends into the blind hole. A hemispherical ball socket is provided at the other end of the locating pin body 1, and a ball 6 is provided in the ball socket; the ball 6 is a self-rotating steel ball, which is connected to the shift rocker on the transmission case through the self-rotating steel ball, and the shifting comfort is increased by compressing the elastic member during the shifting process.

[0024] In this embodiment, the positioning sleeve 1 is installed on the vehicle body transmission case and has an interference fit with the vehicle body transmission case; by having the positioning sleeve 1 have an interference fit with the vehicle body transmission case, the installation of the positioning sleeve 1 on the case is facilitated.

[0025] In this embodiment, a edging structure 8 is provided on the top of the positioning sleeve 1, and the edging structure 8 is used to prevent the positioning pin body 1 from falling off the positioning sleeve 1; the edging structure 8 is provided to prevent the positioning pin body 1 from falling off the positioning sleeve 1, and at the same time, the positioning pin body 1 is also provided with an edging structure at the installation position of the ball 6 to prevent the ball 6 from falling off.

[0026] Finally, it should be noted that the above embodiments are only used to illustrate the technical solution of the utility model rather than to limit it. Although the utility model has been described in detail with reference to the preferred embodiments, ordinary technicians in the field should understand that the technical solution of the utility model can be modified or replaced by equivalents without departing from the purpose and scope of the technical solution of the utility model, which should be included in the scope of the claims of the utility model.

Claims

1. A shift positioning assembly, characterized in that: It includes a positioning sleeve and a positioning pin body arranged on the vehicle body transmission case, the positioning sleeve has a hollow cavity and the positioning pin body is arranged in the hollow cavity, an elastic member for applying a pre-tightening force to the positioning pin body is arranged between the bottom of the hollow cavity and the positioning pin body, and an adjustment component is arranged at the bottom of the positioning sleeve, and the adjustment component is used to adjust the pre-tightening force of the elastic member.

2. The shift positioning assembly according to claim 1, characterized in that: The adjustment assembly includes a flat gasket arranged at the bottom of the hollow cavity and an adjustment stud arranged on the positioning sleeve, the adjustment stud is threadedly connected to the positioning sleeve, and the adjustment stud is used to push the flat gasket to move axially in the hollow cavity.

3. The shift positioning assembly according to claim 2, characterized in that: The elastic member is a two-stage stiffness spring, one end of the elastic member abuts against the flat gasket, and the other end abuts against the positioning pin body.

4. The shift positioning assembly according to claim 2, characterized in that: A threaded through hole for communicating with the hollow cavity is provided at the bottom of the positioning sleeve, and the adjusting stud is connected to the positioning sleeve through the threaded through hole.

5. The shift positioning assembly according to claim 1, characterized in that: A blind hole is arranged at one end of the locating pin body facing the hollow cavity, and an end of the elastic member close to the locating pin body extends into the blind hole. A hemispherical socket is arranged at the other end of the locating pin body, and a rolling ball is arranged in the socket.

6. The shift positioning assembly according to claim 1, characterized in that: The positioning sleeve is installed on the vehicle body transmission case and is interference fit with the vehicle body transmission case.

7. The shift positioning assembly according to claim 1, characterized in that: The top of the positioning sleeve is provided with an edge binding structure, and the edge binding structure is used to prevent the positioning pin body from falling off the positioning sleeve.

Images