Stable anti-falling gear shifting guide block

By introducing a wear-resistant ring and a locking block structure into the shift guide block, the problem of wear between the shift fork shaft and the guide block is solved, resulting in lower friction and a longer service life.

CN223635304UActive Publication Date: 2025-12-05QINGDAO XUTAI PRECISE FOUNDRY CO LTD
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Patent Information

Application Number
CN202520337543.6
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-02-28
Publication Date
2025-12-05
Estimated Expiration
2035-02-28

AI Technical Summary

Technical Problem

The existing shift guide block is prone to wear between the shift fork shaft and the guide block, resulting in a reduced service life.

Method used

A stable anti-disengagement shift guide block was designed, which adopts protective components including a wear-resistant ring, a locking block, a pull rod, and a spring. Through threaded connection and a slot structure, the friction between the shift fork shaft and the guide block body is reduced, and the wear-resistant ring is easy to replace.

Benefits of technology

It effectively reduces friction between the shift fork shaft and the guide block body, extends the service life of the guide block, and improves overall durability through a convenient replacement mechanism.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model relates to the technical field of gear shifting guide blocks, and discloses a stable anti-disengaging gear shifting guide block which comprises a guide block body. The mounting plate is fixedly connected to the lower surface of the guide block body; the connecting seat is fixedly connected to the left side surface of the guide block body; the connecting rod is fixedly connected to the upper surface of the guide block body; the first through hole and the second through hole are formed in the front side face and the side face of the guide block body in a penetrating mode, the inner wall of the first through hole and the inner wall of the second through hole are fixedly connected with a first internal thread and a second internal thread respectively, a protection assembly is arranged in the guide block body, the first internal thread is used for being in threaded connection with a shifting fork shaft, and the second internal thread is used for being in threaded connection with a plunger. The wear-resistant ring is fixedly installed in the first through hole through the protection assembly and the clamping block, friction between the shifting fork shaft and the guide block body is reduced through the arrangement of the wear-resistant ring in the first through hole, meanwhile, when the shifting fork shaft and the wear-resistant ring are abraded to a certain degree, the wear-resistant ring is conveniently replaced, and the service life of the guide block body is prolonged.
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Description

TECHNICAL FIELD

[0001] The utility model relates to a gear shifting guide block technical field, concretely is a stable anti -drop gear shifting guide block. BACKGROUND

[0002] ‌Gear shifting guide block is an important part in the automobile gearbox, is mainly used for guiding and fixed shift lever's moving path, ensures that the gear shifting operation is smooth and accuracy. The design and function of gear shifting guide block can be different in different vehicle models, but its core function is to ensure that the gear shifting mechanism can accurately enter each gear position, simultaneously provides necessary support and guiding function. Through accurate mechanical design, gear shifting guide block can reduce the friction and abrasion when shifting, improves the smoothness and durability of gear shifting.‌

[0003] At present, the existing guide block body is provided with a shift fork hole and a plunger hole, the shift fork hole is used for cooperating with the shift fork shaft, but the shift fork shaft and the guide block are easy to produce abrasion, and long-time abrasion can cause the service life of the guide block to decrease. Therefore, a stable anti-drop gear shifting guide block is proposed. UTILITY MODEL CONTENTS

[0004] The utility model aims at providing a stable anti-drop gear shifting guide block to solve the problems in the above background technology.

[0005] To achieve the above-mentioned purpose, the utility model provides the following technical scheme: a stable anti-drop gear shifting guide block, including guide block body,

[0006] The mounting plate is fixedly connected to the lower surface of the guide block body.

[0007] The connecting seat is fixedly connected to the left side surface of the guide block body.

[0008] The connecting rod is fixedly connected to the upper surface of the guide block body.

[0009] And the first through hole and the second through hole are throughly arranged on the front and side surfaces of the guide block body, the first through hole inner wall and the second through hole inner wall are fixedly connected with the first internal thread and the second internal thread respectively, the guide block body is internally provided with a protection assembly, the first internal thread is used for threadedly connecting the shift fork shaft, and the second internal thread is used for threadedly connecting the plunger.

[0010] Preferably, the protection assembly comprises a wear-resistant ring arranged in the first through hole, the guide block body is internally provided with a cavity, the cavity is internally provided with a clamping block, a pull rod and a spring, the spring is sleeved on the surface of the pull rod, the top end surface of the pull rod is slidably penetrated through the inner wall of the cavity and extends above the guide block body, the bottom end surface of the pull rod is fixedly connected with the top end surface of the clamping block, the surface of the wear-resistant ring is provided with a clamping groove, and the bottom end surface of the clamping block is slidably penetrated through the surface of the wear-resistant ring and the inner wall of the cavity and extends into the clamping groove, so as to facilitate the installation of the wear-resistant ring and the replacement of the wear-resistant ring in the later period, and the wear-resistant ring reduces the friction between the shift fork and the guide block body.

[0011] Preferably, the pull rod is provided with a pull plate above the pull rod, and the bottom end surface of the pull plate is fixedly connected with the top end surface of the pull rod, so as to facilitate the adjustment of the position of the pull rod.

[0012] Preferably, the connecting seat is arranged in a U-shaped seat, so that the structure is more stable and cracks are avoided.

[0013] Preferably, the front surface of the mounting plate is provided with a mounting hole, and the mounting hole is consistent with the direction of the first through hole, so that the guide block body is positioned and fixed through the mounting hole, and the position of the guide block body is prevented from being unstable during work and affecting use.

[0014] Preferably, the surface of the connecting rod is provided with a gear shifting groove, and the included angle between the connecting rod and the guide block body is 100-120 degrees, and the gear shifting groove is used for connecting a gear shifting head.

[0015] Preferably, the first through hole and the second through hole are arranged in a penetrating mode.

[0016] Compared with the prior art, the utility model has the advantages that:

[0017] The stable anti-falling gear shifting guide block is provided with a protection assembly, the wear-resistant ring is installed and fixed in the first through hole through the clamping block, the wear-resistant ring arranged in the first through hole reduces the friction between the shift fork shaft and the guide block body, the wear-resistant ring is convenient to replace when the shift fork shaft and the wear-resistant ring are worn to a certain degree, and the service life of the guide block body is improved.

[0018] The stable anti-falling gear shifting guide block is provided with a first internal thread and a second internal thread, the first internal thread is used for threadedly connecting the shift fork shaft, the second internal thread is used for threadedly connecting the plunger, the guide block is positioned and fixed through the mounting hole, and the position of the guide block is prevented from being unstable during work and affecting use. BRIEF DESCRIPTION OF DRAWINGS

[0019] Figure 1 It is a front sectional view of the utility model;

[0020] Figure 2 It is a whole front perspective view of the utility model;

[0021] Figure 3 It is the overall left view perspective drawing of the utility model;

[0022] Figure 4 It is the main view perspective drawing of the utility model wear-resistant ring;

[0023] Figure 5 It is the utility model Figure 1 The enlarged perspective view of A area.

[0024] In the figure: guide block body 1, first internal thread 2, connecting seat 3, mounting plate 4, second internal thread 6, connecting rod 7, protection assembly 80, wear-resistant ring 801, clamping block 802, pull rod 803, spring 804, pull plate 805. DETAILED DESCRIPTION

[0025] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the utility model.

[0026] Embodiment one: please refer to Figure 1 - Figure 5 The utility model provides a technical scheme: a stable anti-dropping gear shifting guide block, which comprises a guide block body 1;

[0027] The mounting plate 4 is fixedly connected to the lower surface of the guide block body 1;

[0028] The connecting seat 3 is fixedly connected to the left side surface of the guide block body 1, and the connecting seat 3 is arranged in a U-shaped seat;

[0029] The connecting rod 7 is fixedly connected to the upper surface of the guide block body 1, the connecting rod 7 is provided with a gear shifting groove through the surface, and the included angle between the connecting rod 7 and the guide block body 1 is 100-120 degrees;

[0030] And the first through hole and the second through hole are through the front and side surfaces of the guide block body 1, the first internal thread 2 and the second internal thread 6 are fixedly connected to the inner walls of the first through hole and the second through hole respectively, the protection assembly 80 is arranged in the guide block body 1, the first through hole and the second through hole are throughly arranged, the first internal thread 2 is used for threadedly connecting the fork shaft, the second internal thread 6 is used for threadedly connecting the plunger, the guide block is positioned and fixed through the mounting hole 8, so that the unstable position of the guide block in the working process is prevented, and the use is affected.

[0031] The protection assembly 80 comprises a wear-resistant ring 801 located in the first through hole, a cavity is formed in the guide block body 1, a clamping block 802, a pull rod 803 and a spring 804 are arranged in the cavity, the spring 804 is sleeved on the surface of the pull rod 803, the top end surface of the pull rod 803 extends to above the guide block body 1 through the sliding of the top end surface of the pull rod 803 to the inner wall of the cavity, the bottom end surface of the pull rod 803 is fixedly connected with the top end surface of the clamping block 802, a clamping groove is formed through the surface of the wear-resistant ring 801, the bottom end surface of the clamping block 802 extends to the clamping groove through the sliding of the bottom end surface of the clamping block 802 to the inner wall of the cavity and the surface of the wear-resistant ring 801, through the protection assembly 80, the wear-resistant ring 801 is installed and fixed in the first through hole by the clamping block 802, and through the arrangement of the wear-resistant ring 801 in the first through hole, the friction between the shift fork shaft and the guide block body 1 is reduced, and meanwhile, the wear-resistant ring 801 can be replaced when the shift fork shaft and the wear-resistant ring 801 are worn to a certain degree, and the service life of the guide block body 1 is prolonged.

[0032] The pull rod 803 is provided with a pull plate 805 above, and the bottom end surface of the pull plate 805 is fixedly connected with the top end surface of the pull rod 803.

[0033] The mounting plate 4 is provided with a mounting hole through the front surface, and the mounting hole is consistent with the direction of the first through hole.

[0034] In use, the first internal thread 2 is used for threadedly connecting the shift fork shaft, the second internal thread 6 is used for threadedly connecting the plunger, the guide block is positioned and fixed through the mounting hole 8, and the shift knob is connected through the gear shifting groove;

[0035] The pull plate 805 is pulled, the pull plate 805 drives the pull rod 803 to move upwards, the pull rod 803 drives the clamping block 802 to move upwards and the clamping block 802 extrudes the connected spring 804, the wear-resistant ring 801 is placed in the first through hole, the pull plate 805 is loosened, the clamping block 802 is driven to move downwards to the clamping groove by the force of the spring 804, and the wear-resistant ring 801 is installed and fixed in the first through hole, through the arrangement of the wear-resistant ring 801 in the first through hole, the friction between the shift fork and the guide block body 1 is reduced, and the same is true when the wear-resistant ring 801 needs to be replaced, the wear-resistant ring 801 can be taken out of the first through hole by pulling the pull plate 805 upwards and sliding the clamping block 802 out of the clamping groove, the wear-resistant ring 801 can be conveniently replaced when the shift fork shaft and the wear-resistant ring 801 are worn to a certain degree, the service life of the guide block body 1 is prolonged, the overall structure is integrally formed through forging, the structure is more solid, breakage is prevented, and the service life is prolonged.

[0036] Although the embodiments of the utility model have been shown and described, it can be understood by those skilled in the art that various changes, modifications, replacements and variations can be made to the embodiments without departing from the principles and spirits of the utility model, and the scope of the utility model is defined by the appended claims and their equivalents.

Claims

1. A stable anti-off gear shifting guide block, comprising a guide block body (1); An installation plate (4) fixedly connected to the lower surface of the guide block body (1); A connecting seat (3) fixedly connected to the left surface of the guide block body (1); A connecting rod (7) fixedly connected to the upper surface of the guide block body (1); And the first through hole and the second through hole are arranged on the front surface and the side surface of the guide block body (1), the inner wall of the first through hole is fixedly connected with the first internal thread (2), and the inner wall of the second through hole is fixedly connected with the second internal thread (6), characterized in that: The guide block body (1) is internally provided with a protection assembly (80).

2. The stable anti-disengagement shift guide block according to claim 1, characterized in that: The protection assembly (80) comprises a wear-resistant ring (801) located inside the first through hole, the guide block body (1) is internally provided with a cavity, the cavity is internally provided with a clamping block (802), a pull rod (803) and a spring (804), the spring (804) is sleeved on the surface of the pull rod (803), the top end surface of the pull rod (803) extends to above the guide block body (1) by sliding through the inner wall of the cavity, the bottom end surface of the pull rod (803) is fixedly connected with the top end surface of the clamping block (802), the surface of the wear-resistant ring (801) is provided with a clamping groove, and the bottom end surface of the clamping block (802) extends to the inside of the clamping groove by sliding through the inner wall of the cavity and the surface of the wear-resistant ring (801).

3. The stable anti-disengagement shift guide block according to claim 2, characterized in that: The pull rod (803) is provided with a pull plate (805) above, and the bottom end surface of the pull plate (805) is fixedly connected with the top end surface of the pull rod (803).

4. The stable anti-disengagement shift guide block of claim 1, wherein: The connecting seat (3) is provided as a U-shaped seat.

5. The stable anti-shedding shift guide block of claim 1, wherein: The installation plate (4) is provided with an installation hole on the front surface, and the installation hole is consistent with the direction of the first through hole.

6. The stable anti-shedding shift guide block of claim 1, wherein: The surface of the connecting rod (7) is provided with a gear shifting groove, and the included angle between the connecting rod (7) and the guide block body (1) is 100-120 degrees.

7. The stable anti-shedding shift guide block of claim 1, wherein: The first through hole and the second through hole are provided in a penetrating manner.