CN213981667U

CN213981667U - Self-lubricating bearing bush of automobile steering device

Info

Publication number: CN213981667U
Application number: CN202021491454.0U
Authority: CN
Inventors: 陈根土
Original assignee: Zhejiang Jiesheng Oilless Bearing Technology Co ltd
Current assignee: Zhejiang Jiesheng Oilless Bearing Technology Co ltd
Priority date: 2020-07-27
Filing date: 2020-07-27
Publication date: 2021-08-17
Anticipated expiration: 2030-07-27

Abstract

The utility model discloses a auto steering ware self-lubricating axle bush belongs to the axle bush field, including the axle bush base, the circular slot has been seted up to the lateral wall of axle bush base, the circular slot has twenty groups and evenly sets up the lateral wall from love axle bush base, the recess has been seted up in the lateral wall left side of axle bush base, the recess has two sets of symmetries to set up on the lateral wall right side of axle bush base, the inside wall bottom of recess is connected with magnet, the welding of the inside wall left side of recess has the spring, the spring has two sets of inside wall right sides that are the symmetric welding from love recess. The utility model discloses a thereby mutually supporting of axle bush base, circular slot, axle bush apron, through-hole and ball can reduce the coefficient of friction and can reduce the friction, increase axle bush life, the mutually supporting of rethread fixed block, recess, spring, clutch blocks and magnet to can conveniently be to the dismantlement of axle bush, thereby can change the ball and reduce use cost, be fit for being extensively promoted and used.

Description

Self-lubricating bearing bush of automobile steering device

Technical Field

The utility model relates to an axle bush technical field especially relates to an auto steering ware self-lubricating axle bush.

Background

The self-lubricating bearing is divided into a composite material self-lubricating bearing, a solid embedded self-lubricating bearing, a bimetallic material self-lubricating bearing and a special material self-lubricating bearing. At present, the bearing bushes in some polymer self-lubricating bearings are made of polymer materials, and have the characteristics of light weight, insulation, antifriction, wear resistance, self-lubrication, corrosion resistance, simple forming process, high production efficiency and the like, and the defects of the bearing bushes are as follows: the whole is made of polymer, so that the service life of the bearing bush is short due to poor rigidity, poor thermal conductivity and the like, and meanwhile, the polymer bearing bush is easy to damage during installation and inconvenient to install due to poor rigidity.

The patent number CN201220582875 discloses a self-lubricating bearing bush, which relates to the technical field of bearing bushes and comprises semi-cylindrical bush bodies, wherein each bush body is made of metal, a plurality of axial long grooves are formed in the inner wall of each bush body, a plurality of axial strip-shaped bulges are formed in the outer wall of each hollow cylindrical polytetrafluoroethylene self-lubricating body, the bulges are inserted into the long grooves in a sleeved mode, the outer wall of each polytetrafluoroethylene self-lubricating body is in contact with the inner wall of each bush body, and the inner wall of each polytetrafluoroethylene self-lubricating body is matched with a shaft; and two check rings are arranged on two end faces of the tile body and are pressed against the two end faces of the tile body and the tetrafluoroethylene self-lubricating body. The bearing bush is composed of a bush body made of metal and a polymer self-lubricating body, is simple to install, has good heat conductivity and rigidity, and meanwhile, the polymer self-lubricating body can be conveniently replaced, so that the service life of the whole bearing bush is prolonged.

At present, the technology has certain defects: 1. the lubrication effect is poor, the friction coefficient is large, and the service life of the bearing bush is reduced; 2. inconvenient dismantlement leads to the bearing bush that can not used repeatedly to the bearing bush makes the replacement cost increase.

SUMMERY OF THE UTILITY MODEL

The utility model provides a self-lubricating axle bush of auto steering ware, thereby can reduce the friction coefficient and can reduce the friction through mutually supporting of axle bush base, circular slot, axle bush apron, through-hole and ball, increase axle bush life, the mutually supporting of rethread fixed block, recess, spring, clutch blocks and magnet to can conveniently be to the dismantlement of axle bush, thereby can change the ball and reduce use cost, can effectively solve the problem in the background art.

The utility model provides a specific technical scheme as follows:

the utility model provides a self-lubricating bearing bush of an automobile steering gear, which comprises a bearing bush base, wherein the outer side wall of the bearing bush base is provided with a circular groove, twenty groups of circular grooves are uniformly arranged on the outer side wall of the bearing bush base, the outer side wall of the bearing bush base is provided with a groove, two groups of grooves are symmetrically arranged on the left side and the right side of the outer side wall of the bearing bush base, the bottom of the inner side wall of each groove is connected with a magnet, the inner side wall of the groove is welded with springs, two groups of the springs are symmetrically welded at the left side and the right side of the inner side wall of the groove, the outer side wall of the bearing bush base is in clearance connection with a bearing bush cover plate, the outer side wall of the bearing bush rice is provided with a through hole, the through-hole has twenty groups and evenly sets up the lateral wall at the axle bush apron, the lateral wall welding of axle bush apron has the fixed block, the fixed block has two sets ofly to be the symmetrical welding in the lateral wall left and right sides of axle bush apron.

Optionally, a ball is connected to the inner side wall of the circular groove in a clearance manner.

Optionally, the diameters of the balls are slightly larger than the diameter of the through hole and the diameter of the circular groove.

Optionally, the material of the ball is copper-nickel alloy.

Optionally, the circular groove and the through hole are symmetrical to each other.

The utility model has the advantages as follows:

1. the utility model is practical, convenient to operate and good in use effect, twenty groups of circular grooves are uniformly formed on the outer side wall of the bearing bush base, the inner side wall gaps of the circular grooves are connected with balls, the outer side wall of the bearing bush cover plate is provided with twenty groups of through holes, the through holes are symmetrical to the circular grooves, the diameter of the balls is slightly larger than the diameter of the circular grooves and the through holes, so that when the bearing bush cover plate is connected with the bearing bush base in the gaps, the balls can roll on the inner side wall of the circular grooves, and the mechanical property and the physical property of the cupronickel are excellent compared with other cupronickel, the ductility is good, the hardness is high, the color is beautiful, the cupronickel can obviously improve the strength, the corrosion resistance, the hardness, the resistance and the thermoelectricity, so that the cupronickel has good lubricating effect, the friction coefficient can be reduced, so that the service life of the bearing bush is prolonged.

2. In the utility model, the left side and the right side of the outer side wall of the bearing bush cover plate are both welded with fixed blocks, the fixed blocks are made of iron materials, the left side and the right side of the outer side wall of the bearing bush base are both provided with grooves, the fixed blocks and the grooves are symmetrical with each other, so that the fixed blocks can be installed in the grooves, the springs are welded on the left side and the right side of the inner side wall of the grooves, the friction blocks are welded on the other ends of the springs, when the fixed blocks are not installed at the two sets of friction blocks, the two sets of friction blocks are relatively close to each other, when the fixed blocks are installed between the two sets of friction blocks, the springs are extruded, so that the springs can apply pressure on the friction blocks, the two sets of friction blocks fix the fixed blocks, the magnets are installed at the bottoms of the grooves, the fixed blocks are made of iron materials, so that the magnets can adsorb and connect the fixed blocks, thereby the fixed blocks can be installed in the grooves, and the bearing bushes can be conveniently disassembled, the ball is convenient to replace, so that the use cost can be reduced.

Drawings

In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings needed to be used in the description of the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings without creative efforts.

Fig. 1 is a schematic view of an overall structure of a self-lubricating bearing bush of an automobile steering device according to an embodiment of the present invention;

fig. 2 is a schematic structural view of a bearing bush cover plate of a self-lubricating bearing bush of an automobile steering gear according to an embodiment of the present invention;

fig. 3 is a schematic structural view of a bearing bush base of a self-lubricating bearing bush of an automobile steering gear according to an embodiment of the present invention;

fig. 4 is the utility model discloses a groove structure sketch map of auto steering ware self-lubricating axle bush.

In the figure: 1. a bearing bush base; 2. a bearing bush cover plate; 3. a ball bearing; 4. a through hole; 5. a fixed block; 6. a circular groove; 7. a groove; 8. a spring; 9. a magnet; 10. a friction block.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention clearer, the present invention will be described in further detail with reference to the accompanying drawings, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.

The following will describe a self-lubricating bearing bush of an automobile steering device according to an embodiment of the present invention in detail with reference to fig. 1 to 2.

As shown in fig. 1-2, a self-lubricating bearing bush of an automobile steering device comprises a bearing bush base 1, wherein the outer side wall of the bearing bush base 1 is provided with circular grooves 6, twenty groups of the circular grooves 6 are uniformly arranged on the outer side wall of the bearing bush base 1, the outer side wall of the bearing bush base 1 is provided with grooves 7, two groups of the grooves 7 are symmetrically arranged on the left side and the right side of the outer side wall of the bearing bush base 1, the bottom of the inner side wall of each groove 7 is connected with a magnet 9, the inner side wall of each groove 7 is welded with a spring 8, two groups of the springs 8 are symmetrically welded on the left side and the right side of the inner side wall of each groove 7, the outer side wall of the bearing bush base 1 is in clearance connection with a bearing bush cover plate 2, the outer side wall of the bearing bush cover plate 2 is provided with through holes 4, twenty groups of the through holes 4 are uniformly arranged on the outer side wall of the bearing bush cover plate 2, and the outer side wall of the bearing bush cover plate 2 is welded with a fixing block 5, the fixed blocks 5 are symmetrically welded on the left side and the right side of the outer side wall of the bearing bush cover plate 2. Thereby, thereby can reduce coefficient of friction and can reduce friction through mutually supporting of axle bush base, circular slot, axle bush apron, through-hole and ball, increase axle bush life, the mutually supporting of rethread fixed block, recess, spring, clutch blocks and magnet to can conveniently be to the dismantlement of axle bush, thereby can change the ball and reduce use cost.

In this embodiment, as shown in fig. 1, the inner sidewall of the circular groove 6 is connected with a ball 3 in a clearance manner. Wherein reducing the contact area reduces the friction.

In the embodiment, as shown in fig. 1, the diameters of the balls 3 are slightly larger than the diameter of the through hole 4 and the diameter of the circular groove 6. Wherein, make things convenient for the ball to roll.

In this embodiment, as shown in fig. 1, the material of the ball 3 is a copper-nickel alloy. Wherein the copper-nickel alloy has high hardness and smooth surface.

In this embodiment, as shown in fig. 1, the circular groove 6 and the through hole 4 are symmetrical to each other. Wherein, make things convenient for the ball to roll in the circular slot.

It should be noted that, the utility model relates to a self-lubricating bearing bush of an automobile steering device, when in work, the left side and the right side of the outer side wall of a bearing bush cover plate 2 are both welded with a fixed block 5, the fixed block 5 is made of iron material, the left side and the right side of the outer side wall of a bearing bush base 1 are both provided with grooves 7, because the fixed block 5 and the grooves 7 are mutually symmetrical, the fixed block 5 can be arranged in the grooves 7, because the left side and the right side of the inner side wall of the grooves 7 are both welded with springs 8, the other end of the springs 8 are welded with friction blocks 10, when the fixed block 5 is not arranged at the positions of the two sets of friction blocks 10, the two sets of friction blocks 10 are relatively close to each other, when the fixed block 5 is arranged between the two sets of friction blocks 10, because the springs 8 are extruded, the two sets of friction blocks 10 can apply a pressure to the friction blocks 10, thereby the fixed block 5 is fixed by the two sets of friction blocks 10, because the bottom of the grooves 7 is provided with magnets 9, the fixed block 5 is made of iron, thereby the magnet 9 adsorbs the fixed block 5 for connection, thereby can install the fixed block 5 in the recess 7, thereby can make things convenient for the axle bush to dismantle, conveniently change ball 3, thereby can reduce use cost, twenty groups of circular slots 6 have evenly been seted up to axle bush base 1 lateral wall, the inside wall gap connection of circular slot 6 has ball 3, the lateral wall of axle bush apron 2 all with seted up twenty groups of through-holes 4, through-hole 4 and circular slot 6 are symmetrical each other, because the diameter of ball 3 slightly is greater than circular slot 6 and through-hole 4 diameter, thereby when axle bush apron 2 and axle bush base 1 gap connection, ball 3 can roll at circular slot 6 inside wall, because the material of ball 3 is the copper-nickel alloy, the pure copper of copper-nickel alloy can show improvement intensity, corrosion resistance, hardness, resistance and thermoelectric nature, therefore the mechanical properties of white copper than other copper alloys, the, The physical properties are excellent, the ductility is good, the hardness is high, the color is beautiful, the corrosion resistance is high, and the deep drawing property is high, so that the lubricating effect is good, the friction coefficient can be reduced, the friction force can be reduced, and the service life of the bearing bush is prolonged.

The utility model relates to a self-lubricating bearing bush 1 and a bearing bush base of an automobile steering gear; 2. a bearing bush cover plate; 3. a ball bearing; 4. a through hole; 5. a fixed block; 6. a circular groove; 7. a groove; 8. a spring; 9. a magnet; 10. the friction block parts are all standard parts or parts known to the person skilled in the art, the structure and the principle of which are known to the person skilled in the art by means of technical manuals or by means of routine experimentation.

It is apparent that those skilled in the art can make various changes and modifications to the embodiments of the present invention without departing from the spirit and scope of the embodiments of the present invention. Thus, if such modifications and variations of the embodiments of the present invention fall within the scope of the claims and their equivalents, the present invention is also intended to include such modifications and variations.

Claims

1. The self-lubricating bearing bush of the automobile steering device comprises a bearing bush base (1) and is characterized in that a circular groove (6) is formed in the outer side wall of the bearing bush base (1), twenty groups of the circular grooves (6) are uniformly formed in the outer side wall of the bearing bush base (1), a groove (7) is formed in the outer side wall of the bearing bush base (1), two groups of the grooves (7) are symmetrically formed in the left side and the right side of the outer side wall of the bearing bush base (1), a magnet (9) is connected to the bottom of the inner side wall of the groove (7), a spring (8) is welded to the inner side wall of the groove (7), two groups of the springs (8) are symmetrically welded to the left side and the right side of the inner side wall of the groove (7), a bearing bush cover plate (2) is connected to the outer side wall of the bearing bush base (1) in a clearance mode, a through hole (4) is formed in the outer side wall of the bearing bush cover plate (2), and twenty groups of the through hole (4) are uniformly formed in the outer side wall of the bearing bush base (2), the outer side wall welding of axle bush apron (2) has fixed block (5), fixed block (5) have two sets ofly to be the symmetric welding in the outer side wall left and right sides of axle bush apron (2).

2. The self-lubricating bearing shell for the automobile steering gear according to claim 1 is characterized in that the inner side wall of the circular groove (6) is in clearance connection with the ball (3).

3. The self-lubricating bearing shell for automobile steering gears according to claim 2, characterized in that the diameter of the ball (3) is slightly larger than the diameter of the through hole (4) and the diameter of the circular groove (6).

4. The self-lubricating bearing shell for the automobile steering gear according to claim 2 is characterized in that the material of the ball (3) is copper-nickel alloy.

5. The self-lubricating bearing shell for automobile steering gears according to claim 1, wherein the circular groove (6) and the through hole (4) are symmetrical with each other.