Front shock absorber bushing

Abstract

The utility model belongs to the technical field of bushing production, and particularly relates to a front shock absorber bushing which comprises an inner cylinder and an outer cylinder axially and annularly sleeved on the peripheral side of the inner cylinder, an elastic layer is further arranged between the inner cylinder and the outer cylinder so as to enable the inner cylinder to be connected with the outer cylinder, through holes extending in the radial direction are formed in the peripheral side of the inner cylinder and / or the peripheral side of the outer cylinder, and the through holes are communicated with the inner cylinder and the outer cylinder. One end of the through hole is sealed by an elastic layer to form an oil storage cavity. The through holes communicated with the elastic layer are formed in the inner cylinder and the outer cylinder of the bushing, so that when lubricating grease is smeared into the inner cylinder and the surface of the outer cylinder, the lubricating grease can be well stored in the through holes and can be well absorbed by the elastic layer, the maintenance period of the bushing is prolonged, meanwhile, the performance of the elastic layer is improved, and the service life of the bushing is prolonged. And thus, the NVH performance of the vehicle is improved.

Description

Technical Field

[0001] This utility model belongs to the field of bushing technology, specifically relating to a front shock absorber bushing. Background Technology

[0002] With the rapid development of the new energy vehicle industry, people's demands for automobiles in terms of energy saving, environmental protection, comfort, and reliability are increasing.

[0003] In particular, the NVH performance of a vehicle is a comprehensive issue that measures the quality of automobile manufacturing. It gives car users the most direct and superficial feeling. Currently, the common method for improving the NVH performance of a vehicle is to install bushings at the connection between automotive parts to achieve a relatively soft connection between automotive components, thereby effectively reducing vehicle noise and vibration and improving the vehicle's NVH performance.

[0004] The principle of automotive bushings is that the inner and outer cylinders connect the two automotive parts that need to be connected. When the vehicle vibrates during operation, the elastic layer between the inner and outer cylinders achieves a soft connection between the parts, thereby reducing noise and vibration.

[0005] Currently, in existing bushing technologies, it is impossible to store the grease applied to the inner wall of the bushing during maintenance. Generally, the grease is manually scooped out and evenly applied to the inner wall of the bushing. However, when a connecting shaft is inserted into the inner cylinder, the connecting shaft will push most of the applied grease out of the inner cylinder. Therefore, although the bushing is maintained to a certain extent, the maintenance cycle is greatly shortened.

[0006] In view of this, the present invention provides a front shock absorber bushing to solve the above problems. Utility Model Content

[0007] To solve the above problems, this utility model provides the following technical solution: a front shock absorber bushing, including an inner cylinder and an outer cylinder axially sleeved around the inner cylinder. An elastic layer is also provided between the inner cylinder and the outer cylinder to connect the inner cylinder and the outer cylinder. A radially extending through hole is opened on the periphery of the inner cylinder and / or the outer cylinder. One end of the through hole is sealed by the elastic layer to form an oil storage cavity.

[0008] As a preferred embodiment of the front shock absorber bushing of this utility model, both the inner and outer cylinders are hollow columnar structures with both ends connected.

[0009] As a preferred embodiment of the front shock absorber bushing of this utility model, both the inner and outer cylinders are made of metal.

[0010] As a preferred embodiment of the front shock absorber bushing of this utility model, the elastic layer is made of rubber, and it is vulcanized to the inner cylinder and the outer cylinder.

[0011] As a preferred embodiment of the front shock absorber bushing of this utility model, the through holes are arranged uniformly.

[0012] Compared with the prior art, the beneficial effects of this utility model are:

[0013] This invention creates through holes in the inner and outer cylinders of the bushing that communicate with the elastic layer. This allows the lubricating grease to be well stored inside the through holes when it is applied to the inner cylinder and the outer cylinder surface. As a result, the lubricating grease can be well absorbed by the elastic layer, thereby extending the bushing maintenance cycle, improving the performance of the elastic layer, and ultimately improving the vehicle's NVH performance. Attached Figure Description

[0014] The accompanying drawings are provided to further illustrate the present invention and form part of the specification. They are used together with the embodiments of the present invention to explain the present invention, but do not constitute a limitation thereof. In the drawings:

[0015] Figure 1 This is a schematic diagram of the existing technology;

[0016] Figure 2 This is a schematic diagram of the structure of the first embodiment of the present utility model;

[0017] Figure 3 This is a schematic diagram of the structure of the second embodiment of the present invention;

[0018] Figure 4 This is a schematic diagram of the third embodiment of the present invention;

[0019] Figure 5 This is a schematic diagram of the connection structure between this utility model and the vehicle's front shock absorber.

[0020] In the diagram: 1. Inner cylinder; 2. Outer cylinder; 3. Elastic layer; 4. Through hole; 5. Vibration damper; 6. Connecting shaft. Detailed Implementation

[0021] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.

[0022] This utility model relates to a front shock absorber bushing, such as Figure 1As shown, it includes an inner cylinder 1 and an outer cylinder 2, both of which are hollow columnar structures connected at both ends. The outer cylinder 2 is axially wrapped around the inner cylinder 1. An elastic layer 3 is provided between the inner cylinder 1 and the outer cylinder 2. The elastic layer 3 is made of rubber and is vulcanized with the inner cylinder 1 and the outer cylinder 2 to connect the inner cylinder 1 and the outer cylinder 2 together to form a relatively soft connection.

[0023] Figure 2 The first embodiment of the present invention is shown. Through holes 4 extending radially along the axis of the outer cylinder 2 are provided on the periphery of the outer cylinder 2. The through holes 4 are evenly distributed on the periphery of the outer cylinder 2. The through holes 4 are connected to the elastic layer 3, and one end of the through holes 4 is sealed by the elastic layer 3, thereby forming a plurality of oil storage cavities in the periphery of the outer cylinder 2 for storing the grease applied thereon. Since the through holes 4 are connected to the elastic layer 3, the elastic layer 3 can absorb the grease well to improve its performance.

[0024] Figure 3 The second embodiment of the present invention is shown, which differs from the first embodiment in that: through holes 4 are uniformly opened on the periphery of the inner cylinder 1 and extend radially along its axis to connect with the elastic layer 3, thereby forming a plurality of oil storage cavities in the periphery of the inner cylinder 1 for storing the grease applied thereon for absorption by the elastic layer 3.

[0025] Figure 4 This illustration shows a third embodiment of the present invention, which differs from the first and second embodiments in that: through holes 4 extending radially along their respective axes are provided on the circumferences of both the inner cylinder 1 and the outer cylinder 2, thereby forming several oil storage cavities within the circumferences of the inner cylinder 1 and the outer cylinder 2 to store the grease applied thereon for absorption by the elastic layer 3. Furthermore, in this embodiment, preferably, the through holes 4 on the circumferences of the inner cylinder 1 and the outer cylinder 2 can be arranged in an alternating pattern to improve the radial strength of the bushing and also increase the contact area between the grease and the elastic layer 3, thus better facilitating the absorption of the grease by the elastic layer 3.

[0026] like Figure 5 As shown, taking the front shock absorber 5 of an automobile as an example, in conjunction with the use of the bushing, according to the opening position of the through hole 4, grease is applied to the cylinder wall of the bushing. After the grease enters the through hole 4, the bushing is pressed into the connecting end of the shock absorber 5, and then the connecting shaft 6 is pressed into the inner cylinder 1 of the bushing. Finally, the shock absorber 5 is connected and fixed together with the front suspension of the vehicle by fasteners.

[0027] Finally, it should be noted that the above description is merely a preferred embodiment of this utility model and is not intended to limit the utility model. Although the utility model has been described in detail with reference to the foregoing embodiments, those skilled in the art can still modify the technical solutions described in the foregoing embodiments or make equivalent substitutions for some of the technical features. Any modifications, equivalent substitutions, improvements, etc., made within the spirit and principles of this utility model should be included within the protection scope of this utility model.

Claims

1. A front shock absorber bushing, characterized in that, include: An inner cylinder (1) and an outer cylinder (2) axially sleeved around the inner cylinder (1) are provided. An elastic layer (3) is also provided between the inner cylinder (1) and the outer cylinder (2) to connect the inner cylinder (1) and the outer cylinder (2). A radially extending through hole (4) is provided on the periphery of the inner cylinder (1) and / or the outer cylinder (2). One end of the through hole (4) is sealed by the elastic layer (3) to form an oil storage cavity.

2. The front shock absorber bushing according to claim 1, characterized in that: Both the inner cylinder (1) and the outer cylinder (2) are hollow columnar structures with both ends connected.

3. The front shock absorber bushing according to claim 1, characterized in that: Both the inner cylinder (1) and the outer cylinder (2) are made of metal.

4. The front shock absorber bushing according to claim 1, characterized in that: The elastic layer (3) is made of rubber and is vulcanized to the inner cylinder (1) and the outer cylinder (2).

5. The front shock absorber bushing according to claim 1, characterized in that: The through holes (4) are evenly arranged.

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