Steering shaft sleeve device

Abstract

The utility model relates to the technical field of shaft sleeves, in particular to a steering shaft sleeve device which comprises a shaft sleeve body, a concave block is arranged on the outer surface of the shaft sleeve body, an inner sleeve connected with a steering shaft body is arranged in the shaft sleeve body, and a damping assembly is arranged between the outer side of the inner sleeve and the interior of the shaft sleeve body. According to the scheme, the multiple damping assemblies are arranged in the shaft sleeve body, and when a steering shaft body runs in the shaft sleeve body, damping sleeves in the damping assemblies are used for buffering and counteracting collision and vibration generated between the shaft body and the shaft sleeve; due to the fact that the contact area of the damping sleeves is large and the multiple damping sleeves are arranged, the damping and buffering effect can be improved, and the overall stability of the steering shaft sleeve is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of shaft sleeves, in particular to a steering shaft sleeve device. Background Art

[0002] The steering bushing is a part that connects the steering knuckle and the front axle. It usually plays a role in wear resistance and friction reduction in the steering knuckle. It is an important component of the steering shaft and is usually made of metal. It helps to connect the bearing and the axle. The presence of the steering bushing can improve the handling and stability of the vehicle. It is a key mechanical component and plays an important role in improving mechanical performance and stability.

[0003] Nowadays, the steering bushings on the market are installed in conjunction with the steering shaft body. When the steering shaft body is running, it may generate vibration or noise between it and the steering bushing due to various reasons. The existing solution is either to disassemble and separate the shaft body and the bushing, and then adjust them; or to add shock-absorbing washers to reduce the contact between the shaft body and the bushing. The above methods are either troublesome or the effect is not long-lasting.

[0004] Therefore, it is necessary to design a steering sleeve device to solve the above-mentioned problems. Utility Model Content

[0005] The purpose of the utility model is to provide a steering shaft sleeve device to solve the problems raised in the above background technology.

[0006] In order to achieve the above purpose, the utility model provides the following technical solutions:

[0007] A steering sleeve device comprises a sleeve body, wherein a concave block is arranged on the outer surface of the sleeve body, an inner sleeve connected to a steering shaft body is arranged inside the sleeve body, a shock absorbing assembly is arranged between the outer side of the inner sleeve and the inside of the sleeve body, and a steering connector is arranged on one axial side of the sleeve body.

[0008] As a preferred solution of the utility model, the shock absorbing assembly includes an inserting notch opened on the outer surface of the inner sleeve, and the interior of the inserting notch is fixedly connected with a shock absorbing sleeve.

[0009] As a preferred solution of the utility model, the inner wall of the shock-absorbing sleeve is correspondingly provided with a notch plug-in block, and the shock-absorbing sleeve and the outer wall of the inner sleeve are plugged in between the notch plug-in block and the plug-in notch.

[0010] As a preferred solution of the utility model, the shock-absorbing sleeve is an overall hollow structure inside and is made of nitrile rubber.

[0011] As a preferred solution of the utility model, connecting sleeves are provided on both sides of the inner sleeve, and the connecting sleeves are slightly lower than the height of the shock-absorbing sleeve. When the shock-absorbing assembly is integrally inserted into the interior of the sleeve body, the protruding end of the inner wall of the concave block is just inserted into the recessed groove of the outer wall of the connecting sleeve.

[0012] As a preferred solution of the utility model, a plurality of through holes are arranged on the concave block, and a plurality of connecting holes are arranged on the outer surface of the connecting sleeve located on one side of the inner sleeve. The connecting sleeve and the concave block on the sleeve body are fixedly connected by fixing locking pins passing through the through holes and the connecting holes.

[0013] Compared with the prior art, the beneficial effects of the utility model are:

[0014] In the utility model, a steering shaft sleeve device is provided. When the rotating shaft sleeve is used, a plurality of shock absorbing assemblies provided inside the shaft sleeve body can be utilized. When the steering shaft body is located inside the shaft sleeve body and is running, the shock absorbing sleeve in the shock absorbing assembly is utilized to buffer and offset the collision and vibration generated between the shaft body and the shaft sleeve. Since the contact area of ​​the shock absorbing sleeve is large and a plurality of the shock absorbing sleeves are provided, the shock absorbing and buffering effect can be increased, thereby improving the overall stability of the steering shaft sleeve. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 It is a schematic diagram of the overall three-dimensional structure of the utility model;

[0016] Figure 2 for Figure 1 Schematic diagram of the three-dimensional structure after disassembly;

[0017] Figure 3 for Figure 2 Schematic diagram of the three-dimensional structure after partial disassembly.

[0018] In the figure: 1. sleeve body; 2. concave block; 3. inner sleeve; 4. shock-absorbing assembly; 41. plug-in notch; 42. shock-absorbing sleeve; 43. notch plug-in block; 5. steering connector; 6. connecting sleeve; 7. through hole; 8. connecting hole; 9. fixing lock pin. DETAILED DESCRIPTION

[0019] The technical solutions in the embodiments of the utility model will be clearly and completely described below in conjunction with the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all of the embodiments. Based on the embodiments of the utility model, all other embodiments obtained by ordinary technicians in this field without making creative work are within the scope of protection of the utility model.

[0020] In order to facilitate the understanding of the utility model, the utility model will be described more comprehensively with reference to the relevant drawings below. Several embodiments of the utility model are given. However, the utility model can be implemented in many different forms and is not limited to the embodiments described herein. On the contrary, the purpose of providing these embodiments is to make the disclosure of the utility model more thorough and comprehensive.

[0021] It should be noted that when an element is referred to as being "fixed to" another element, it may be directly on the other element or there may be a central element. When an element is considered to be "connected to" another element, it may be directly connected to the other element or there may be a central element at the same time. The terms "vertical", "horizontal", "left", "right" and similar expressions used herein are for illustrative purposes only.

[0022] Unless otherwise defined, all technical and scientific terms used herein have the same meaning as those commonly understood by those skilled in the art in the technical field of the present invention. The terms used herein in the specification of the present invention are only for the purpose of describing specific embodiments and are not intended to limit the present invention. The term "and / or" used herein includes any and all combinations of one or more related listed items.

[0023] For examples, see Figure 1-3 , the utility model provides a technical solution:

[0024] A steering bushing device comprises a bushing body 1, a concave block 2 is arranged on the outer surface of the bushing body 1, an inner bushing 3 connected to the steering shaft body is arranged inside the bushing body 1, a shock absorbing assembly 4 is arranged between the outer side of the inner bushing 3 and the inside of the bushing body 1, and a steering connector 5 is arranged on one axial side of the bushing body 1.

[0025] For details, please refer to Figure 1 , Figure 2 as well as Figure 3 The shock absorbing assembly 4 includes a plug-in notch 41 provided on the outer surface of the inner sleeve 3, and a shock absorbing sleeve 42 is fixedly connected inside the plug-in notch 41; a notch plug-in block 43 is correspondingly provided on the inner wall of the shock absorbing sleeve 42, and the shock absorbing sleeve 42 and the outer wall of the inner sleeve 3 are plugged in between the notch plug-in block 43 and the plug-in notch 41; the shock absorbing sleeve 42 is a hollow structure as a whole, and is made of nitrile rubber;

[0026] In this embodiment, the inner sleeve 3 is embedded and installed inside the sleeve body 1, and the steering shaft body is fixedly installed inside the inner sleeve 3. Since the shock-absorbing assembly 4 is installed on the outer surface of the inner sleeve 3, that is, the shock-absorbing assembly 4 is located in the cavity between the inner sleeve 3 and the sleeve body 1, when the steering shaft body is running, the shock-absorbing assembly 4 in the cavity will be locally squeezed, and the shock-absorbing sleeve 42 in the shock-absorbing assembly 4 will use its own elasticity for buffering to reduce the collision and vibration between the steering shaft body and the sleeve body 1, thereby further improving the stability of the steering sleeve.

[0027] Furthermore, connecting sleeves 6 are provided on both sides of the inner sleeve 3, and the connecting sleeves 6 are slightly lower than the height of the shock-absorbing sleeve 42, and when the shock-absorbing assembly 4 is integrally inserted into the shaft sleeve body 1, the protruding end of the inner wall of the concave block 2 is just inserted into the outer wall recessed groove of the connecting sleeve 6; a number of through holes 7 are arranged around the concave block 2, and a number of connecting holes 8 are arranged around the outer surface of the connecting sleeve 6 located on one side of the inner sleeve 3, and the connecting sleeve 6 and the concave block 2 on the shaft sleeve body 1 are fixedly connected by fixing locking pins 9 that pass through the through holes 7 and the connecting holes 8; by removing the fixing locking pins 9, the inner sleeve 3 and the shaft sleeve body 1 can be disassembled and separated, which is convenient for maintenance and replacement of the shock-absorbing assembly 4 to extend its service life.

[0028] Working process of the utility model: when the steering bushing device is used, since the inner bushing 3 is embedded and installed in the interior of the bushing body 1, the steering shaft body is fixedly installed in the inner bushing 3, and since the outer surface of the inner bushing 3 is installed with the shock absorbing component 4, that is, the shock absorbing component 4 is located in the cavity between the inner bushing 3 and the bushing body 1, when the steering shaft body is running, the shock absorbing component 4 in the cavity will be locally squeezed, and the shock absorbing sleeve 42 in the shock absorbing component 4 will use its own elasticity for buffering, so as to reduce the collision and vibration between the steering shaft body and the bushing body 1, and further improve the stability of the steering bushing.

[0029] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A steering sleeve device, comprising a sleeve body (1), characterized in that: A concave block (2) is arranged on the outer surface of the sleeve body (1), an inner sleeve (3) connected to the steering shaft body is arranged inside the sleeve body (1), a shock absorbing assembly (4) is arranged between the outer side of the inner sleeve (3) and the inside of the sleeve body (1), and a steering connector (5) is arranged on one axial side of the sleeve body (1).

2. A steering bushing device according to claim 1, characterized in that: The shock absorbing assembly (4) comprises a plug-in notch (41) formed on the outer surface of the inner sleeve (3), and a shock absorbing sleeve (42) is fixedly connected inside the plug-in notch (41).

3. A steering bushing device according to claim 2, characterized in that: The inner wall of the shock absorbing sleeve (42) is correspondingly provided with a notched insert block (43), and the shock absorbing sleeve (42) and the outer wall of the inner sleeve (3) are plugged in between the notched insert block (43) and the plugging notch (41).

4. A steering bushing device according to claim 2, characterized in that: The shock-absorbing sleeve (42) is an overall hollow structure and is made of nitrile rubber.

5. A steering bushing device according to claim 1, characterized in that: Connecting sleeves (6) are provided on both left and right sides of the inner sleeve (3), and the connecting sleeves (6) are slightly lower than the height of the shock absorbing sleeve (42), and when the shock absorbing assembly (4) is integrally inserted into the interior of the shaft sleeve body (1), the inner wall protruding end of the concave block (2) is just inserted into the outer wall recessed groove of the connecting sleeve (6).

6. A steering bushing device according to claim 1, characterized in that: A plurality of through holes (7) are formed around the concave block (2), and a plurality of connecting holes (8) are formed around the outer surface of the connecting sleeve (6) located on one side of the inner sleeve (3). The connecting sleeve (6) and the concave block (2) on the shaft sleeve body (1) are fixedly connected by fixing pins (9) passing through the through holes (7) and the connecting holes (8).

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