An easily removable swing arm bushing

Abstract

This utility model belongs to the field of bushing technology, specifically relating to an easily detachable swing arm bushing, including a bushing body and limiting members detachably connected to both ends of the inner cylinder of the bushing body; the limiting member includes: a limiting part, and a connecting part axially integrated with the limiting part; the limiting part and the connecting part also have through holes axially extending inside; the connecting part and the inner cylinder are threadedly connected. This utility model, by threading the limiting members to both sides of the inner cylinder, allows the connecting part to be turned out of the inner cylinder first when disassembling the bushing, and then the bushing body can be pulled out or pried out of the mounting hole manually or with other common tools, thus facilitating the disassembly of the bushing body.

Description

Technical Field

[0001] This utility model belongs to the field of bushing technology, specifically relating to an easily detachable swing arm bushing. Background Technology

[0002] The control arm bushing is a core component of the automotive suspension system, playing a crucial role in damping vibrations, reducing noise, and supporting loads.

[0003] Since bushings are wear parts, they need to be replaced regularly to ensure the NVH performance of the vehicle. However, the bushings and the control arms are interference fit, and when removing the bushings, a corresponding pushing tool must be used to push the bushings out of the mounting holes of the control arms, which is very inconvenient.

[0004] In view of this, the present invention provides an easily detachable swing arm bushing to solve the above problems. Utility Model Content

[0005] To achieve the above objectives, this utility model provides the following technical solution: an easily detachable swing arm bushing, comprising: a bushing body, and a limiting member detachably connected to the inner cylinder of the bushing body;

[0006] The limiting component includes a limiting part and a connecting part that is axially integrated with the limiting part. The limiting part and the connecting part also have a through hole that extends axially. The connecting part and the inner cylinder are connected by a thread.

[0007] As a preferred embodiment of the easily detachable swing arm bushing of this utility model, the axial length of the connecting part is at most one-half of the axial length of the inner cylinder.

[0008] As a preferred embodiment of the easily detachable swing arm bushing of this utility model, the radial dimension of the limiting part is at least equal to the radial dimension of the bushing body.

[0009] As a preferred embodiment of the easily detachable swing arm bushing of this utility model, the bushing body further includes an outer cylinder sleeved on the outer periphery of the inner cylinder, and an elastic layer connecting the outer cylinder and the inner cylinder.

[0010] Compared with the prior art, the beneficial effects of this utility model are:

[0011] This utility model uses threaded limiting parts on both sides of the inner cylinder to allow the bushing to be disassembled by first turning the connecting part out of the inner cylinder, and then using manual or other common tools to pull or pry the bushing body out of the mounting hole, thus facilitating the disassembly of the bushing body.

[0012] This invention uses threaded limiting parts on both sides of the inner cylinder to not only cover the exposed elastic layer of the bushing body, thus improving the service life of the elastic layer, but also to limit the bushing body after installation, preventing the bushing body from shifting due to vehicle movement, vibration, etc., which would affect NVH performance. Attached Figure Description

[0013] The accompanying drawings are provided to further illustrate the present invention and form part of the specification. They are used together with the embodiments of the present invention to explain the present invention, but do not constitute a limitation thereof. In the drawings:

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

[0015] Figure 2 This is a schematic diagram of the exploded structure of this utility model;

[0016] Figure 3 This is a cross-sectional structural diagram of the present invention;

[0017] Figure 4 This is a schematic diagram of the structure of the limiting component of this utility model being partially removed from the inner cylinder;

[0018] Figure 5 This is a schematic diagram of the installation structure between the bushing body and the automobile swing arm, which is a preferred embodiment of the present invention.

[0019] In the figure: 1. Bushing body; 101. Outer cylinder; 102. Inner cylinder; 103. Elastic layer; 2. Limiting component; 201. Limiting part; 202. Connecting part; 203. Through hole; 3. Swing arm. 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] This utility model relates to an easily detachable swing arm bushing, such as... Figures 1-2 As shown, it includes a bushing body 1 and limiting members 2 detachably connected to both ends of the bushing body 1.

[0022] The bushing body 1 includes an inner cylinder 102, an outer cylinder 101 sleeved on the outer periphery of the inner cylinder 102, and an elastic layer 103 vulcanized between the inner cylinder 102 and the outer cylinder 101.

[0023] Specifically, the limiting member 2 includes a limiting part 201 and a connecting part 202 axially integrated with the limiting part 201. The limiting part 201 and the connecting part 202 also have a through hole 203 axially extending inside. The connecting part 202 is threadedly connected to the inner cylinder 102. In use, as... Figure 4 As shown, the limiting member 2 connected to one end of the bushing body 1 can be removed first, and a part of the connecting part 202 at the other end can be rotated out of the inner cylinder 102, so that the limiting part 201 and the two ends of the bushing body 1 form a gap. Under the action of this gap, the hand or common disassembly tools, such as screwdrivers, pry bars, wrenches, etc. can be inserted into the gap. Using the lever principle, the bushing body 1 can be pried out from the car swing arm 3 where it is installed for replacement, so that no special tools are needed, making the disassembly of the bushing body 1 more convenient.

[0024] In this embodiment, the inner wall of the inner cylinder 102 is provided with a threaded groove; the connecting part 202 is a cylindrical structure that matches the inner cylinder 102, and a threaded rib that matches the threaded groove of the inner wall of the inner cylinder 102 is provided on the outer periphery of the connecting part 202. Figure 3 As shown, in use, the connecting part 202 is axially inserted into the inner cylinder 102, and the connecting part 202 is rotated simultaneously. The connecting part 202 is disassembled and fixed through the threaded connection between the threaded groove and the threaded rib. It should be noted that in order to ensure the installation of the limiting member 2 and both ends of the inner cylinder 102, the axial length of the connecting part 202 is at most half the axial length of the inner cylinder 102.

[0025] In this embodiment, the limiting part 201 is an annular structure, and its radial dimension is equal to the radial dimension of the bushing body 1. When the connecting part 202 is threadedly connected to the inner cylinder 102, the inner side of the limiting part 201 will fit against the two end faces of the bushing body 1, thereby covering the exposed elastic layer 103 at both ends of the bushing body 1. This effectively prevents dust and other impurities in the external environment from contacting the elastic layer 103, thereby reducing damage to the elastic layer 103, slowing down the aging of the elastic layer 103, and extending its service life.

[0026] Preferably, in another embodiment, the radial dimension of the limiting portion 201 is larger than the radial dimension of the bushing body 1. For example... Figure 5 As shown, when the bushing body 1 is installed in the mounting hole corresponding to the car swing arm 3, the inner side of the limiting part 201 can form a clamp with the swing arm 3, thereby restricting the movement of the bushing body 1 in the mounting hole, so as to effectively prevent the bushing body 1 from shifting in the mounting hole and ensure the stability of vehicle NVH.

[0027] Finally, it should be noted that the above description is merely a preferred embodiment of this utility model and is not intended to limit the utility model. Although the utility model has been described in detail with reference to the foregoing embodiments, those skilled in the art can still modify the technical solutions described in the foregoing embodiments or make equivalent substitutions for some of the technical features. Any modifications, equivalent substitutions, improvements, etc., made within the spirit and principles of this utility model should be included within the protection scope of this utility model.

Claims

1. A removable swing arm bushing, characterized in that, include: The bushing body (1) and the limiting members (2) detachably connected to both ends of the inner cylinder (102) of the bushing body (1); The limiting member (2) includes: a limiting part (201) and a connecting part (202) axially integrated with the limiting part (201). The limiting part (201) and the connecting part (202) also have a through hole (203) axially extending inside. The connecting part (202) and the inner cylinder (102) are connected by a thread.

2. The easily detachable swing arm bushing according to claim 1, characterized in that: The axial length of the connecting part (202) is at most half the axial length of the inner cylinder (102).

3. The easily detachable swing arm bushing according to claim 1 or 2, characterized in that: The radial dimension of the limiting part (201) is at least equal to the radial dimension of the bushing body (1).

4. The easily detachable swing arm bushing according to claim 1, characterized in that: The bushing body (1) also includes an outer cylinder (101) sleeved on the outer periphery of the inner cylinder (102) and an elastic layer (103) connecting the outer cylinder (101) and the inner cylinder (102).

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