CN215673196U

CN215673196U - Knuckle bush that stability is strong

Info

Publication number: CN215673196U
Application number: CN202122045729.9U
Authority: CN
Inventors: 于恒; 刘伟明; 郭利
Original assignee: Changchun Huatong Machinery And Electrical Appliance Co ltd
Current assignee: Changchun Huatong Machinery And Electrical Appliance Co ltd
Priority date: 2021-08-27
Filing date: 2021-08-27
Publication date: 2022-01-28
Anticipated expiration: 2031-08-27

Abstract

The utility model discloses a steering knuckle bushing with strong stability, which belongs to the technical field of steering knuckles and comprises a bushing base, a stabilizing step and reinforcing ribs, wherein a lower chamfer is arranged on the periphery of the upper end of the bushing base, the stabilizing step is arranged in the middle of the upper end of the bushing base, a bushing body is arranged in the middle of the upper end of the stabilizing step, the reinforcing ribs are arranged on the periphery of the bushing body, and a heat dissipation cavity is arranged between the reinforcing ribs. The reinforcing ribs, the heat dissipation cavity, the inner ribs, the inner grooves and the empty grooves are arranged, so that the overall structural stability of the bushing can be improved by the reinforcing ribs, meanwhile, the contact area between the periphery of the bushing and other parts can be reduced by the reinforcing ribs, the heat dissipation performance of the bushing can be greatly improved under the matching of the heat dissipation cavity, the contact area between the inner wall of the bushing and other parts can be reduced by the inner ribs, the inner grooves and the empty grooves, and the working stability of the bushing cannot be influenced by high temperature when the bushing is used for a long time.

Description

Knuckle bush that stability is strong

Technical Field

The utility model relates to a bushing, in particular to a steering knuckle bushing with high stability, and belongs to the technical field of steering knuckles.

Background

The steering knuckle is also called as a cleat, is one of important parts in an automobile steering axle, and can enable an automobile to stably run and sensitively transmit the running direction. The steering knuckle is used for transmitting and bearing the front load of the automobile, supporting and driving the front wheel to rotate around the main pin so as to steer the automobile. In the driving state of the vehicle, it is subjected to a variable impact load, and therefore, it is required to have a high strength. In order to reduce wear of the knuckle, a bronze bushing is pressed into the knuckle pin hole, and the bushing is lubricated by injecting grease into a nipple attached to the knuckle.

The existing steering knuckle bushing is mostly of a cylindrical structure, stability is not enough, and the existing bushing is easy to generate high temperature during long-term use and can be influenced by the high temperature to work stability.

SUMMERY OF THE UTILITY MODEL

The utility model mainly aims to provide a steering knuckle bushing with high stability so as to solve the problem that the existing bushing is easy to generate high temperature when used for a long time and the working stability of the existing bushing is influenced by the high temperature.

The purpose of the utility model can be achieved by adopting the following technical scheme:

the utility model provides a knuckle bush that stability is strong, includes bush base, stabilizes halfpace and strengthening rib, bush base upper end periphery is provided with down the chamfer, bush base upper end middle part is provided with stabilize the halfpace, it is provided with the bush lining body to stabilize halfpace upper end middle part, bush lining body periphery is provided with the strengthening rib, be provided with the heat dissipation chamber between the strengthening rib.

Preferably, the lower chamfer is formed on the bushing base, and the stabilizing step is formed in the middle of the upper end of the bushing base.

Preferably, the bushing lining body is formed in the middle of the upper end of the stabilizing step, the reinforcing ribs are formed on the peripheral side wall of the bushing lining body, and the reinforcing ribs are distributed on the peripheral side wall of the bushing lining body in an annular array manner.

Preferably, the heat dissipation cavity is formed between the reinforcing ribs on the periphery of the bushing lining body, and a chamfer head is formed on the periphery of the upper end of the bushing lining body.

Preferably, the lower end of the chamfering head is flush with the upper end of the reinforcing rib, a through hole is formed in the middle of the lining body of the bushing, an inner rib is formed on the inner wall of the through hole, an empty groove is formed on the inner wall of the stabilizing step platform, and the empty groove is an annular groove.

Preferably, the through hole penetrates through the middle part of the lining body, the middle part of the stabilizing step and the middle part of the lining base, and inner grooves are formed in the inner wall of the lining body between the inner ribs and in the inner wall of the lining base.

The utility model has the beneficial technical effects that:

according to the steering knuckle bushing with strong stability, the stabilizing step platforms are arranged, so that the overall structure of the bushing is more stable, the overall stability of the bushing can be greatly improved by matching the stabilizing step platforms with the reinforcing ribs, and the problem that the existing steering knuckle bushing is mostly of a cylindrical structure and is insufficient in stability is solved; in addition, by arranging the reinforcing ribs, the heat dissipation cavity, the inner ribs, the inner grooves and the empty grooves, the reinforcing ribs can improve the stability of the overall structure of the bushing, meanwhile, the reinforcing ribs can reduce the contact area between the periphery of the bushing and other parts, the heat dissipation performance of the bushing can be greatly improved under the matching of the heat dissipation cavity, the contact area between the inner wall of the bushing and other parts can be reduced by the inner ribs, the inner grooves and the empty grooves, the working stability of the bushing cannot be influenced by high temperature when the bushing is used for a long time, and the problem that the working stability of the existing bushing is influenced by high temperature due to the fact that high temperature is easily generated when the bushing is used for a long time is solved.

Drawings

FIG. 1 is a schematic view of the overall construction of a preferred embodiment of a robust knuckle bushing in accordance with the present invention;

FIG. 2 is a top view of a preferred embodiment of a robust knuckle bushing in accordance with the present invention;

FIG. 3 is a front cross-sectional view of a preferred embodiment of a robust knuckle bushing in accordance with the present invention.

In the figure: 1-lining base, 2-lower chamfer, 3-stabilizing step, 4-lining body, 5-reinforcing rib, 6-radiating cavity, 7-chamfer head, 8-through hole, 9-inner rib, 10-inner groove and 11-empty groove.

Detailed Description

In order to make the technical solutions of the present invention more clear and definite for those skilled in the art, the present invention is further described in detail below with reference to the examples and the accompanying drawings, but the embodiments of the present invention are not limited thereto.

As shown in fig. 1-3, the knuckle bushing with high stability provided by this embodiment includes a bushing base 1, a stabilizing step 3 and reinforcing ribs 5, a lower chamfer 2 is provided at the periphery of the upper end of the bushing base 1, the stabilizing step 3 is provided at the middle of the upper end of the bushing base 1, a bushing lining body 4 is provided at the middle of the upper end of the stabilizing step 3, the reinforcing ribs 5 are provided at the periphery of the bushing lining body 4, and a heat dissipation cavity 6 is provided between the reinforcing ribs 5.

Referring to fig. 1 and 3, lower chamfer 2 is formed on bushing base 1, stabilizing step 3 is formed in the middle of the upper end of bushing base 1, stabilizing step 3 and bushing base 1 are integrally formed, and the step structure of stabilizing step 3 can make the overall structure of the bushing more stable.

Referring to fig. 1-3, the bushing lining 4 is formed in the middle of the upper end of the stabilizing landing 3, the reinforcing ribs 5 are formed on the peripheral side wall of the bushing lining 4, the reinforcing ribs 5 are distributed on the peripheral side wall of the bushing lining 4 in an annular array, the bushing lining 4 and the stabilizing landing 3 are integrally formed, the structure is stable, and the reinforcing ribs 5 and the bushing lining 4 are integrally formed, so that the structure is stable.

Referring to fig. 1-2, the heat dissipation cavity 6 is formed between the reinforcing ribs 5 on the periphery of the bushing lining body 4, the chamfered head 7 is formed on the periphery of the upper end of the bushing lining body 4, the reinforcing ribs 5 can further improve the stability of the overall structure of the bushing, meanwhile, the reinforcing ribs 5 can reduce the contact area between the periphery of the bushing and other parts, and the heat dissipation performance of the bushing can be greatly improved under the cooperation of the heat dissipation cavity 6.

Referring to fig. 1 and 3, the lower end of the chamfer head 7 is flush with the upper end of the reinforcing rib 5, a through hole 8 is formed in the middle of the bushing lining body 4, an inner rib 9 is formed on the inner wall of the through hole 8, an empty groove 11 is formed on the inner wall of the stabilizing step platform 3, the empty groove 11 is an annular groove, the chamfer head 7 facilitates the contact and the matching of the bushing with other parts, and the empty groove 11 can reduce the friction force between the steering knuckle bushing and the steering knuckle shaft and also facilitates the heat dissipation of the steering knuckle bushing.

Referring to fig. 3, the through hole 8 penetrates through the middle of the bushing lining 4, the middle of the stabilizing step 3 and the middle of the bushing base 1, inner grooves 10 are formed on the inner wall of the bushing lining 4 between the inner ribs 9 and the inner wall of the bushing base 1, the through hole 8 is used for connecting the bushing with the knuckle spindle, the inner ribs 9 and the inner grooves 10 can reduce friction between the knuckle bushing and the knuckle spindle, and further, the inner grooves 10 can reduce contact areas between the knuckle bushing and the knuckle spindle, and the heat dissipation performance of the knuckle bushing can be greatly improved.

As shown in fig. 1 to 3, the working process of the steering knuckle bushing with strong stability provided by the present embodiment is as follows:

step 1: the bush accessible through-hole 8 is connected with knuckle axle or other pivots, 5 peripheries of the strengthening rib of bush are connected with knuckle pin hole, strengthening rib 5 can reduce the contact area of bush periphery and other parts, can make the heat dispersion of bush improve greatly under the cooperation of heat dissipation chamber 6, the dead slot 11 can reduce the frictional force between knuckle bush and the knuckle axle, also help the heat dissipation of knuckle bush, inner rib 9 and inside groove 10 can reduce the frictional force between knuckle bush and the knuckle axle, and then, inside groove 10 can reduce the contact area of knuckle bush and knuckle axle etc., can make the heat dispersion of knuckle bush improve greatly, make the bush can not influenced job stabilization nature by high temperature when using for a long time.

Step 2: the bush lining body 4 and the stabilizing step 3 integrated into one piece, stable in structure, the step structure of stabilizing step 3 can make the overall structure of bush more stable, and bush lining body 4 and strengthening rib 5 and stabilizing step 3 integrated into one piece, stable in structure, strengthening rib 5 not only helps improving the heat dispersion of bush, still can further improve the overall structure stability of bush.

The above description is only for the purpose of illustrating the present invention and is not intended to limit the scope of the present invention, and any person skilled in the art can substitute or change the technical solution of the present invention and its conception within the scope of the present invention.

Claims

1. The utility model provides a knuckle bush that stability is strong, includes bush base (1), stabilizes halfpace (3) and strengthening rib (5), its characterized in that: bushing base (1) upper end periphery is provided with down chamfer (2), bushing base (1) upper end middle part is provided with stabilize halfpace (3), it is provided with bush bushing body (4) to stabilize halfpace (3) upper end middle part, bush bushing body (4) periphery is provided with strengthening rib (5), be provided with heat dissipation chamber (6) between strengthening rib (5).

2. A robust knuckle bushing according to claim 1, wherein: lower chamfer (2) shaping in on bush base (1), stabilize halfpace (3) shaping in bush base (1) upper end middle part.

3. A robust knuckle bushing according to claim 1, wherein: the lining body (4) is formed in the middle of the upper end of the stabilizing step (3), the reinforcing ribs (5) are formed on the peripheral side wall of the lining body (4), and the reinforcing ribs (5) are distributed on the peripheral side wall of the lining body (4) in an annular array mode.

4. A robust knuckle bushing according to claim 1, wherein: the heat dissipation cavity (6) is formed between the reinforcing ribs (5) on the periphery of the bushing lining body (4), and a chamfer head (7) is formed on the periphery of the upper end of the bushing lining body (4).

5. A robust knuckle bushing according to claim 4, wherein: chamfer head (7) lower extreme with strengthening rib (5) upper end flushes, the shaping has through-hole (8) at bush lining body (4) middle part, the shaping has interior rib (9) on through-hole (8) inner wall, the shaping has dead slot (11) on stabilizing step ladder (3) inner wall, dead slot (11) are the annular groove.

6. A robust knuckle bushing according to claim 5, wherein: the through hole (8) runs through the middle part of the lining body (4), the middle part of the stabilizing step (3) and the middle part of the lining base (1), and is positioned between the inner ribs (9), and inner grooves (10) are formed on the inner wall of the lining body (4) and the inner wall of the lining base (1).