CN217713353U

CN217713353U - Wear-resisting bearing bush for automobile engine

Info

Publication number: CN217713353U
Application number: CN202222046864.XU
Authority: CN
Inventors: 陈文引
Original assignee: Dafeng Bright Moon Bearing Co ltd
Current assignee: Dafeng Bright Moon Bearing Co ltd
Priority date: 2022-08-04
Filing date: 2022-08-04
Publication date: 2022-11-01
Anticipated expiration: 2032-08-04

Abstract

The utility model discloses a wear-resisting axle bush for automobile engine, relate to axle bush technical field, its technical scheme includes upper bearing shell and lower bearing shell, the inside first notch of having seted up of upper bearing shell, the internally mounted of first notch has first blotter, the inlet port has been seted up on the surface of upper bearing shell, the upper bearing shell inner wall is provided with first oil groove, the inside second notch of having seted up of lower bearing shell, the internally mounted of second notch has the second blotter, the lower bearing shell inner wall is provided with the second oil groove, the fin is all installed on the surface of upper bearing shell and lower bearing shell, the lug is installed at upper bearing shell and lower bearing shell both ends, the round hole has been seted up to the lug, the lug surface of being connected with the upper bearing shell is close to round hole department and is provided with the screw ring, the inside threaded connection of screw ring has the bolt, the inlet port is linked together with first oil groove, the utility model discloses can lubricate the whole contact surface of axle bush and axle, and the surface of upper bearing shell and lower bearing shell all install the fin, avoid being in the high temperature state for a long time and lead to the device to damage.

Description

Wear-resisting bearing bush for automobile engine

Technical Field

The utility model relates to an axle bush field technical field especially relates to a wear-resisting axle bush for automobile engine.

Background

The bearing bush is a part of the sliding bearing contacted with the journal, is in a tile-shaped semi-cylindrical surface, is very smooth, is generally made of wear-resistant materials such as bronze, antifriction alloy and the like, can be made of wood, engineering plastics or rubber under special conditions, has an integral type and a split type, is generally called a shaft sleeve, has an oil groove or no oil groove, and is in clearance fit with the journal and generally does not rotate along with the shaft.

When an engine works normally, direct friction exists between the bearing bush and the rotating shaft, the bearing bush of the automobile engine in the current market is difficult to lubricate between the bearing bush and the rotating shaft, so that the bearing bush is damaged, and the friction can generate high temperature.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving the shortcoming that the engine axle bush is not wear-resisting and not high temperature resistant among the prior art, and the wear-resisting axle bush for automobile engine who provides.

In order to realize the purpose, the utility model adopts the following technical scheme: the utility model provides a wear-resisting axle bush for automobile engine, includes upper bearing shell and lower bearing shell, the inside first notch of having seted up of upper bearing shell, the internally mounted of first notch has first blotter, the inlet port has been seted up on the surface of upper bearing shell, the upper bearing shell inner wall is provided with first oil groove, the inside second notch of having seted up of lower bearing shell, the internally mounted of second notch has the second blotter, the lower bearing shell inner wall is provided with the second oil groove, the surface of upper bearing shell and lower bearing shell all installs the fin, can transmit the heat that axle bush and axle friction produced to the outside fast, avoids the axle bush to be in high temperature state for a long time, the lug is installed at upper bearing shell and lower bearing shell both ends, the round hole has been seted up to the lug, the lug surface of being connected with the upper bearing shell is close to round hole department and is provided with the screw ring, screw ring internal threaded connection has the bolt, and the upper bearing shell can freely be dismantled and install with the lower bearing shell.

The above technical solution further comprises: the oil inlet hole is communicated with the first oil groove, and lubricating oil can enter the first oil groove through the oil inlet hole.

The top of inlet port is provided with the flap, cooperates the inlet port to use.

The first buffer cushion and the second buffer cushion are both provided with two buffer cushions and made of rubber, and the two buffer cushions are used for buffering deformation and shock absorption caused by heating of the bearing bushes.

The threads inside the round hole are matched with the threads outside the bolt.

The first oil groove is communicated with the second oil groove, and after lubricating oil enters the first oil groove through the oil inlet hole, the lubricating oil can directly flow into the second oil groove, so that the whole contact surface of the bearing bush and the shaft is lubricated.

Compared with the prior art, the beneficial effects of the utility model are that:

1. the utility model discloses in, pour into lubricating oil into the inlet port, lubricating oil gets into first oil groove, can flow in the second oil groove along first oil groove thereupon to lubricate axle bush and the whole contact surface of axle, the fin is all installed on the surface of upper bearing bush and lower bearing bush, can transmit the heat that axle bush and axle friction produced outside fast, avoids the axle bush to be in high temperature state for a long time and leads to the device to damage.

2. The utility model discloses in, install first blotter and second blotter in first notch and the second notch respectively for the buffering is heated the deformation that takes place and is resisted the external vibrations that produce of engine during operation because of the axle bush, goes up the axle bush and passes through bolted connection with the lower bearing shell, can freely dismantle and install, convenient transportation and to the inspection of inside device.

Drawings

FIG. 1 is a schematic view of the overall structure of the present invention;

fig. 2 is a schematic sectional structure of the present invention;

fig. 3 is a schematic top view of the present invention;

fig. 4 is a schematic bottom structure diagram of the present invention.

In the figure: 1. an upper bearing bush; 2. a lower bearing bush; 3. a first notch; 4. a first cushion pad; 5. an oil inlet hole; 6. a first oil groove; 7. a second cushion pad; 8. a second oil groove; 9. a heat sink; 10. a bump; 11. a circular hole; 12. a threaded ring; 13. a bolt; 14. covering the opening; 15. a second notch.

Detailed Description

The technical solution of the present invention will be further explained with reference to the accompanying drawings and specific embodiments.

Example one

As shown in fig. 1-4, the utility model provides a wear-resisting axle bush for automobile engine, including upper bearing bush 1 and lower bearing bush 2, first notch 3 has been seted up to upper bearing bush 1 inside, and the internally mounted of first notch 3 has first blotter 4, and inlet port 5 has been seted up on the surface of upper bearing bush 1, and upper bearing bush 1 inner wall is provided with first oil groove 6, and second notch 15 has been seted up to lower bearing bush 2 inside, and the internally mounted of second notch 15 has second blotter 7, and lower bearing bush 2 inner wall is provided with second oil groove 8, and fin 9 is all installed on the surface of upper bearing bush 1 and lower bearing bush 2.

The inlet port 5 is linked together with first oil groove 6, and the top of inlet port 5 is provided with lip 14, and cooperation inlet port 5 uses, and first blotter 4 all is provided with two with second blotter 7, and makes by rubber, and first oil groove 6 is linked together with second oil groove 8.

Based on embodiment one wear-resisting axle bush theory of operation for automobile engine is, open lid mouth 14, input lubricating oil in the inlet port 5, lubricating oil can get into first oil groove 6 along inlet port 5, later flow into second oil groove 8 along first oil groove 6, lubricate axle bush and the whole contact surface of axle, go up axle bush 1 and lower axle bush 2's surface and all install fin 9, can with the axle bush with the heat of axle friction production outside of transmitting fast, avoid the axle bush to be in high temperature state for a long time and lead to the device to damage, first notch 3 and second notch 15 are inside installs first blotter 4 and second blotter 7 respectively, can cushion the deformation because of the axle bush is heated the emergence on the one hand, on the other hand can resist the produced vibrations of engine during operation.

Example two

As shown in fig. 1, based on the first embodiment, the two ends of the upper bearing shell 1 and the lower bearing shell 2 are provided with the protruding blocks 10, the protruding blocks 10 are provided with the circular holes 11, the surface of the protruding block 10 connected with the upper bearing shell 1 near the circular holes 11 is provided with the threaded rings 12, the threaded rings 12 are in threaded connection with the bolts 13, and the threads inside the circular holes 11 are matched with the threads outside the bolts 13.

Design like this in this embodiment to, through rotating threaded ring 12, take away the bolt 13 in the round hole 11, can realize going up the dismantlement of axle bush 1 with lower axle bush 2, insert bolt 13 in round hole 11, reverse rotation threaded ring 12, the interface realizes going up axle bush 1 and lower axle bush 2 fixed, goes up axle bush 1 and can freely dismantle with the installation with lower axle bush 2, has made things convenient for the transportation on the one hand, and on the other hand also conveniently inspects and maintains interior device.

The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.

Claims

1. The utility model provides a wear-resisting axle bush for automobile engine, includes upper bearing (1) and lower bearing (2), its characterized in that, upper bearing (1) is inside to be seted up first notch (3), the internally mounted of first notch (3) has first blotter (4), inlet port (5) have been seted up on the surface of upper bearing (1), upper bearing (1) inner wall is provided with first oil groove (6), second notch (15) have been seted up in lower bearing (2), the internally mounted of second notch (15) has second blotter (7), lower bearing (2) inner wall is provided with second oil groove (8), fin (9) have all been installed on the surface of upper bearing (1) and lower bearing (2), lug (10) have all been installed at upper bearing (1) and lower bearing (2) both ends, round hole (11) have been seted up in lug (10), lug (10) the surface of being connected with upper bearing (1) is close to round hole (11) and is located to be provided with threaded ring (12), threaded ring (12) internal thread connection has bolt (13).

2. The wear-resistant bearing shell for the automobile engine as claimed in claim 1, wherein the oil inlet hole (5) is communicated with the first oil groove (6).

3. The wear-resistant bearing shell for the automobile engine as claimed in claim 1, characterized in that the top end of the oil inlet hole (5) is provided with a cover opening (14).

4. A wear-resistant bearing shell for an automobile engine according to claim 1, characterized in that two first cushions (4) and two second cushions (7) are provided and are made of rubber.

5. A wear-resistant bearing shell for an automobile engine according to claim 1, wherein the thread inside the circular hole (11) matches the thread outside the bolt (13).

6. The wear-resistant bearing shell for an automobile engine as claimed in claim 1, wherein the first oil groove (6) is communicated with the second oil groove (8).