CN219159383U

CN219159383U - Impact-resistant bearing bush with buffer structure

Info

Publication number: CN219159383U
Application number: CN202320019933.XU
Authority: CN
Inventors: 刘仁宽
Original assignee: Jiangsu Feiyue Bearings Co ltd
Current assignee: Jiangsu Feiyue Bearings Co ltd
Priority date: 2023-01-05
Filing date: 2023-01-05
Publication date: 2023-06-09
Anticipated expiration: 2033-01-05

Abstract

An impact-resistant bearing bush with a buffer structure relates to the technical field of buffer bearing bushes: comprises a bearing bush; the bearing bush is arranged in a semicircular shape; connecting plates are arranged at the two ends of the bearing bush; an oil inlet is formed in the connecting plate; the outer side of the bearing bush is provided with a rubber ring; the rubber ring is in fit connection with the bearing bush; the rubber ring is provided with a buffer ring at one side far away from the bearing bush; the buffer ring is provided with a buffer block at one side far away from the rubber ring; the bearing bush is characterized in that a buffer ring and a buffer block are arranged on the outer side of the bearing bush, a steel ring is arranged on the outer side of the buffer block, and when the bearing bush is impacted, impact force is prevented from acting on the bearing bush through the absorption of the steel ring and the buffer block to the impact force, so that the bearing bush is broken.

Description

Impact-resistant bearing bush with buffer structure

Technical Field

The utility model particularly relates to the technical field of buffer bearing bushes, in particular to an impact-resistant bearing bush with a buffer structure.

Background

Bearing shells (bearings) are the parts of sliding bearings in contact with journals, are half cylindrical surfaces in the shape of tiles, are very smooth, are generally made of wear-resistant materials such as bronze, antifriction alloys and the like, and in special cases can be made of wood, engineering plastics or rubber.

The bearing shell is of both monolithic and split type, the monolithic bearing shell being commonly referred to as a Bushing (mounting). The integral bearing bush has two kinds of oil grooves or not and oil grooves. The bearing bush and the journal adopt clearance fit and generally do not rotate along with the shaft.

Chinese patent publication No. cn202222046864.X discloses a wear-resisting bearing bush for automobile engine, including last axle bush and lower axle bush, first notch has been seted up to the inside of last axle bush, the internally mounted of first notch has first blotter, the inlet port has been seted up on the surface of going up the axle bush, it is provided with first oil groove to go up the axle bush inner wall, the second notch has been seted up to the inside of lower axle bush, the internally mounted of second notch has the second blotter, lower axle bush inner wall is provided with the second oil groove, the fin is all installed on the surface of going up axle bush and lower axle bush, the lug is installed at upper axle bush and lower axle bush both ends, the round hole has been seted up to the lug, be close to round hole department with the lug surface that goes up the axle bush and be connected and be provided with the screwed ring, screwed connection has the bolt inside the inlet port is linked together with first oil groove, the utility model discloses can lubricate axle bush and the whole contact surface of axle, and the fin is all installed on the surface of lower axle bush, avoid the axle bush to be in the high temperature state for a long time and lead to the damage of device.

When the bearing bushes in the patent are used, only two buffer pads are arranged on the two bearing bushes, so that the two buffer pads can only play a part of a smaller buffer role when in use, the thickness of the two buffer pads is thinner, and when the bearing bushes are impacted more, the buffer effect of the two buffer pads is not ideal, and the situation that the two bearing bushes are broken possibly occurs; therefore, we provide an impact-resistant bearing bush with buffer structure, technical defect that exists among the above-mentioned patent can effectually be solved, in this novel, all be provided with buffer circle and buffer block on two bearing bushes, still be provided with the one deck steel ring in the outside of buffer block, when the bearing bush receives the impact, the steel ring carries out the one deck buffering earlier, still be provided with the buffer block in the inside of steel ring, carry out the one deck buffering again, just so can guarantee that the bearing bush is when receiving great impact, through two-layer forehead protection, make the difficult cracked condition of taking place of bearing bush, very big protection the bearing bush, the forehead time that the improvement bearing bush used.

Disclosure of Invention

The utility model aims to provide an impact-resistant bearing bush with a buffer structure, which solves the problems that in the prior art, only two buffer pads are arranged on two bearing bushes, so that when the two buffer pads are used, only a small part of buffer effect can be achieved, the thickness of the two buffer pads is small, and when the bearing bushes are impacted greatly, the buffer effect of the two buffer pads is not ideal, and the two bearing bushes are likely to be broken.

In order to achieve the above purpose, the present utility model provides the following technical solutions:

an impact-resistant bearing bush with a buffer structure comprises a bearing bush; the bearing bush is arranged in a semicircular shape; connecting plates are arranged at the two ends of the bearing bush; an oil inlet is formed in the connecting plate; the outer side of the bearing bush is provided with a rubber ring; the rubber ring is in fit connection with the bearing bush; the rubber ring is provided with a buffer ring at one side far away from the bearing bush; the buffer ring is provided with a buffer block at one side far away from the rubber ring.

As a further technical scheme of the utility model, the buffer block is provided with a steel ring at one side far away from the buffer ring; the steel ring is connected with the buffer block in a fitting way.

As a further technical scheme of the utility model, two bearing bushes are arranged, and the two bearing bushes 1 are detachably fixed through bolt holes formed in the connecting plates by bolts.

As a further technical scheme of the utility model, the oil grooves formed in the bearing bush are connected with the oil inlets, two oil grooves are formed in the oil grooves and the oil inlets, and the two oil grooves are not communicated.

As a further technical scheme of the utility model, the two ends of the buffer ring and the steel ring rubber ring are fixedly connected with the connecting plate.

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

1. according to the utility model, when the bearing bush is used, the two bearing bushes are connected and fixed through the bolt holes formed in the connecting plates, the oil inlet is formed in the connecting plate at one side, the oil inlet is connected with the oil groove formed in the bearing bush, so that the oil injection in the bearing bush is realized, the rubber ring is arranged at the outer side of the bearing bush, the rubber ring is in fit connection with the bearing bush, the buffer ring is arranged at the outer side of the rubber ring, the buffer rings are provided with a plurality of buffer blocks, the buffer blocks are equidistantly arranged, so that the stress of each buffer block is uniform, the steel ring is arranged at one side of the buffer blocks, the steel ring is fixedly connected with the connecting plates, when the bearing bush is impacted, the impact force is adsorbed through the buffer ring and the buffer blocks, the impact force is prevented from being directly transmitted to the bearing bush, and when the impact force is impacted, the impact force is firstly transmitted to the buffer ring and the buffer blocks, so that the impact force is prevented from acting on the bearing bush, and the situation of breaking is realized.

Drawings

Fig. 1 is a schematic perspective view of the present utility model.

Fig. 2 is a top view of fig. 1 in accordance with the present utility model.

Fig. 3 is a cross-sectional view of fig. 1 in the present utility model.

In the figure: 1-bearing bush, 2-buffer ring, 3-buffer block, 4-steel ring, 5-oil groove, 6-connecting plate, 7-oil inlet, 8-bolt hole, 9-rubber ring.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

Referring to fig. 1-3, in an embodiment of the present utility model, an impact-resistant bearing shell with a buffer structure includes a bearing shell 1; the bearing bush 1 is arranged in a semicircular shape; the two ends of the bearing bush 1 are provided with connecting plates 6; an oil inlet 7 is formed in the connecting plate 6; the outer side of the bearing bush 1 is provided with a rubber ring 9; the rubber ring 9 is in fit connection with the bearing bush 1; the rubber ring 9 is provided with a buffer ring 2 at one side far away from the bearing bush 1; the buffer block 3 is arranged on one side of the buffer ring 2 far away from the rubber ring 9;

the buffer block 3 is provided with a steel ring 4 at one side far away from the buffer ring 2; the steel ring 4 is connected with the buffer block 3 in a fitting way.

The bearing bushes 1 are provided with two bearing bushes, and the two bearing bushes 1 are detachably fixed through bolts through bolt holes 8 formed in the connecting plate 6.

In this embodiment, the oil groove 5 and the oil inlet 7 formed in the bearing bush 1 are together, two

oil grooves

5 and 7 are provided, and the two oil grooves 5 are not communicated.

Specifically, the two ends of the buffer ring 2, the steel ring 4 and the rubber ring 9 are fixedly connected with the connecting plate 6.

The working principle of the utility model is as follows: when the bearing bush is used, the two bearing bushes 1 are fixed through bolts penetrating through bolt holes 8 formed in the connecting plate 6, the two bearing bushes 1 are arranged in the same structure, and the outer side of the bearing bushes 1 is provided with a rubber ring 9; the rubber ring 9 is in fit connection with the bearing bush 1, and a buffer ring 2 is arranged on the outer side of the rubber ring 9; a plurality of buffer blocks 3 are arranged on the buffer ring 2; the buffer blocks 3 are equidistantly arranged, so that the impact force received between each buffer ring 3 is identical, the buffer rings 2 and the buffer blocks 3 are prevented from being deformed, and a steel ring 4 is arranged on one side, far away from the buffer rings 2, of the buffer blocks 3; when the external impact force is received, the steel ring 4 is buffered firstly, most of the impact force is discharged, only a small amount of impact force is transmitted to the buffer ring 2 and the buffer blocks 3, and the impact force received by each buffer block 3 is the same, so that the impact force can be completely discharged, the impact force is prevented from being transmitted to the bearing bush, and the bearing bush 1 is prevented from being broken;

an oil groove 5 is arranged in the bearing bush 1; the oil groove 5 and the connecting plate 6 are provided with the oil inlet 7 together, so that the inside of the bearing bush 1 can be lubricated timely, and the friction between the bearing bush 1 and the connecting shaft is prevented from being increased, so that the service time of the bearing bush 1 is shortened.

It will be evident to those skilled in the art that the utility model is not limited to the details of the foregoing illustrative embodiments, and that the present utility model may be embodied in other specific forms without departing from the spirit or essential characteristics thereof. The present embodiments are, therefore, to be considered in all respects as illustrative and not restrictive, the scope of the utility model being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Furthermore, it should be understood that although the present disclosure describes embodiments, not every embodiment is provided with a separate embodiment, and that this description is provided for clarity only, and that the disclosure is not limited to the embodiments described in detail below, and that the embodiments described in the examples may be combined as appropriate to form other embodiments that will be apparent to those skilled in the art.

Claims

1. An impact-resistant bearing bush with a buffer structure, which is characterized in that: comprises a bearing bush (1); the bearing bush (1) is arranged in a semicircular shape; connecting plates (6) are arranged at the two ends of the bearing bush (1); an oil inlet (7) is formed in the connecting plate (6); the outer side of the bearing bush (1) is provided with a rubber ring (9); the rubber ring (9) is in fit connection with the bearing bush (1); the rubber ring (9) is provided with a buffer ring (2) at one side far away from the bearing bush (1); the buffer ring (2) is provided with a buffer block (3) at one side far away from the rubber ring (9).

2. An impact resistant bushing with cushioning structure according to claim 1, wherein: the buffer block (3) is provided with a steel ring (4) at one side far away from the buffer ring (2); the steel ring (4) is connected with the buffer block (3) in a fitting way.

3. An impact resistant bushing with cushioning structure according to claim 1, wherein: the bearing bushes (1) are provided with two, and the two bearing bushes (1) are detachably fixed through bolt holes (8) formed in the connecting plates (6) by bolts.

4. An impact resistant bushing with cushioning structure according to claim 3, wherein: the oil groove (5) formed in the bearing bush (1) is communicated with the oil inlet (7), two oil grooves (5) and two oil inlets (7) are formed, and the two oil grooves (5) are not communicated.

5. An impact resistant bushing with cushioning structure according to claim 2, wherein: the two ends of the buffer ring (2), the steel ring (4) and the rubber ring (9) are fixedly connected with the connecting plate (6).