Rear suspension buffer block assembly

Abstract

The utility model discloses a rear suspension buffer block assembly which comprises an arc-shaped base, a cup body and a rubber block, a reinforcing hole is formed in the top of the base, an upward reinforcing extension portion is arranged on the reinforcing hole, the cup body covers the outer side of the reinforcing extension portion, the bottom of the cup body is fixedly welded to the base, a cup hole matched with the base is formed in the bottom of the rubber block, and the rubber block is arranged in the cup hole. And the rubber block is fixedly connected with the cup body. The cup body is arranged on the base, the rigidity of the rubber material is adjusted to ensure that the rigidity of the front section of the buffer block is low, meanwhile, the rigidity of the rear half section can be rapidly improved, and an effective limiting effect is provided. According to the utility model, the cup body is designed, so that the hardness of rubber is ensured to be within the range of the best durability under the condition that the rigidity and limiting effects are met, and the durability of the buffer block is effectively ensured.

Description

Technical Field

[0001] The utility model relates to the technical field of vehicles, and particularly relates to a rear suspension buffer block assembly. Background Art

[0002] As a rubber component for shock absorption and buffering, the buffer block is generally installed on the vehicle longitudinal beam. When the vehicle swings up and down, it will impact the rear axle part for limiting, buffering and shock absorption. For this product, both its shock absorption performance and fatigue performance need to be considered.

[0003] Most of the existing buffer blocks are pure rubber parts or a combined structure of a base and rubber. The existing buffer blocks generally change the overall strength of the buffer block by adjusting the hardness of the rubber compound. When the stiffness of the rubber compound is high, the limiting effect can be ensured, but the vehicle ride comfort will be reduced, and the occupant comfort will also be reduced. When the stiffness of the rubber compound is low, the vehicle ride comfort will be improved, and the occupant comfort will also be better. It is very difficult for the existing buffer blocks to achieve a good balance between strength, comfort and ride comfort. Therefore, it is necessary to propose a rear suspension buffer block assembly with a more reasonable structure. Summary of the Invention

[0004] In view of the above deficiencies of the prior art, the utility model provides a rear suspension buffer block assembly.

[0005] To achieve the above invention purpose, the technical solution adopted by the utility model is: including an arc-shaped base, a cup body and a rubber block. There is a strengthening hole on the top of the base, and an upward strengthening extension part is arranged on the strengthening hole. The cup body covers the outside of the strengthening extension part, the bottom of the cup body is welded and fixed to the base, the bottom of the rubber block is provided with a cup hole matching with the base, and the rubber block is fixedly connected with the cup body.

[0006] Further, left and right arc-shaped warping plates are arranged on the outer side of the bottom of the base. The left arc-shaped warping plate, the right arc-shaped warping plate and the base are integrally formed, and the outer sides of the left arc-shaped warping plate and the right arc-shaped warping plate are bent upward.

[0007] Further, a front connecting plate and a rear connecting plate are arranged on the outer side of the bottom of the base. The front connecting plate, the rear connecting plate and the base are integrally formed, and the bottom bending arcs of the left arc-shaped warping plate, the right arc-shaped warping plate and the base are the same.

[0008] Further, the bottom of the rubber block is provided with an arc-shaped part fitting with the base, and the bottom of the rubber block is also provided with a circle of transition rounded edges matching with the base.

[0009] Further, the base and the strengthening extension part are integrally formed.

[0010] Further, the base, the cup body and the rubber block are integrally vulcanized and formed.

[0011] Further, the top of the rubber block is arc-shaped.

[0012] Furthermore, a rounded corner is provided on the outer side of the top of the cup body.

[0013] Furthermore, the reinforcing holes are circular holes.

[0014] Furthermore, the inner wall of the cup body and the outer wall of the reinforcing extension are in clearance fit.

[0015] The beneficial effects of the present utility model are as follows:

[0016] In the present utility model, a cup body is provided on the base. While adjusting the hardness of the rubber compound to ensure a low stiffness at the front section of the buffer block, it can also ensure a rapid increase in stiffness at the rear section, providing an effective limiting function.

[0017] By designing the cup body, the present utility model ensures that within the range of meeting the stiffness and limiting function, the hardness of the rubber is within the range where the durability performance is the best, effectively ensuring the durability performance of the buffer block.

[0018] For the buffer block of the present utility model, the rubber block located at the top has a low stiffness, and the base of the cup body and the base located in the middle have a high stiffness. While ensuring a smoother ride of the vehicle, it enables better comfort for the occupants and also provides a better limiting function. Description of the Drawings

[0019] Figure 1 is a schematic view of the overall structure of the present utility model Figure 1 ;

[0020] Figure 2 is a schematic view of the overall structure of the present utility model Figure 2 ;

[0021] Figure 3 is a schematic view of the structure of the base and the cup body Figure 1 ;

[0022] Figure 4 is a schematic view of the structure of the base and the cup body Figure 2 ;

[0023] Figure 5 is a front view of the base and the cup body;

[0024] Figure 6 is Figure 5 the A-A cross-sectional view in

[0025] Figure 7 is a schematic view of the structure of the rubber block Figure 1 ;

[0026] Figure 8 is a schematic view of the structure of the rubber block Figure 2 ;

[0027] Figure 9 is a front view of the rubber block;

[0028] Figure 10 is Figure 9 the sectional view taken along line B-B in

[0029] wherein the symbols of each component are as follows:

[0030] 1. Base; 11. Left arc-shaped rocker; 12. Right arc-shaped rocker; 13. Front connecting plate; 14. Rear connecting plate; 15. Reinforcing hole; 16. Reinforcing extension; 2. Cup body; 3. Rubber block; 31. Cup hole; 32. Arc portion; 33. Transition rounded corner edge. Detailed implementation manners

[0031] The following describes the detailed implementation manners of the present utility model so as to facilitate those skilled in the art of this technical field to understand the present utility model. However, it should be clear that the present utility model is not limited to the scope of the detailed implementation manners. For those of ordinary skill in the art of this technical field, as long as various changes are within the spirit and scope of the present utility model defined and determined by the appended claims, these changes are obvious, and all utility models created using the concept of the present utility model are within the scope of protection.

[0032] As Figure 1 and 2 shown, the rear suspension buffer block assembly includes an arc-shaped base 1, a cup body 2 and a rubber block 3. A reinforcing hole 15 is provided at the top of the base 1, and the reinforcing hole 15 is preferably a round hole. An upward reinforcing extension 16 is provided on the reinforcing hole 15, and the base 1 and the reinforcing extension 16 are integrally formed. The cup body 2 is sleeved outside the reinforcing extension 16, the bottom of the cup body 2 is fixedly welded to the base 1, and the inner wall of the cup body 2 is in clearance fit with the outer wall of the reinforcing extension 16. A chamfer is provided on the outer side of the top of the cup body 2. A cup hole 31 matching with the base 1 is provided at the bottom of the rubber block 3, the rubber block 3 is fixedly connected to the cup body 2, and the base 1, the cup body 2 and the rubber block 3 are integrally vulcanized and formed, that is, injection molding and vulcanization are performed, so that the base 1, the cup body 2 and the rubber block 3 become an integral whole. The reinforcing extension 16 can improve the strength of the top of the cup body 2, and at the same time release the local stress of the cup body 2 part. The reinforcing extension 16 can also be integrally formed by casting or can be made by stamping.

[0033] As Figure 3 , 4 , 5 and 6 shown, left arc-shaped rocker 11 and right arc-shaped rocker 12 are provided on the outer side of the bottom of the base 1. The left arc-shaped rocker 11, the right arc-shaped rocker 12 and the base 1 are integrally formed, and the outer sides of the left arc-shaped rocker 11 and the right arc-shaped rocker 12 are bent upward. Front connecting plate 13 and rear connecting plate 14 are provided on the outer side of the bottom of the base 1. The front connecting plate 13, the rear connecting plate 14 and the base 1 are integrally formed, and the bottom bending arcs of the left arc-shaped rocker 11, the right arc-shaped rocker 12 and the base 1 are the same.

[0034] As shown Figure 7 , 8 , as shown in Figures 9 and 10, the bottom of the rubber block 3 is provided with an arc-shaped portion 32 that fits the base 1, and a circle of transition rounded edges 33 that cooperate with the base 1 is also provided at the bottom of the rubber block 3. The top of the rubber block 3 is arc-shaped, so that the rubber block 3 can better contact the vehicle frame and ensure a sufficient safety distance between the axle and the vehicle body.

[0035] Working process and principle: First, connect the leaf spring to the vehicle girder, and then fix the buffer block assembly on the axle with U-bolts. Specifically, utilize the cooperation between the bottom opening of the U-bolt and the left arc-shaped rocker 11 and the right arc-shaped rocker 12 to install the buffer block assembly 1 on the vehicle girder. When the buffer block assembly is in the no-load state, the girder is not in contact when it is no-load. The buffer block assembly is connected to the axle and installed between the axle and the vehicle frame to play a buffering and limiting role; in extreme working conditions, ensure a sufficient safety distance between the axle and the vehicle body.

Claims

1. A rear suspension buffer block assembly, characterized in that: The invention comprises an arc-shaped base (1), a cup body (2) and a rubber block (3); the top of the base (1) is provided with a reinforcement hole (15); the reinforcement hole (15) is provided with an upward reinforcement extension portion (16); the cup body (2) is covered on the outside of the reinforcement extension portion (16); the bottom of the cup body (2) is welded and fixed to the base (1); the bottom of the rubber block (3) is provided with a cup hole (31) matched with the base (1); and the rubber block (3) is fixedly connected to the cup body (2).

2. The rear suspension buffer block assembly according to claim 1, characterized in that: A left arc-shaped seesaw (11) and a right arc-shaped seesaw (12) are arranged on the outer side of the bottom of the base (1); the left arc-shaped seesaw (11), the right arc-shaped seesaw (12) and the base (1) are integrally formed; and the outer sides of the left arc-shaped seesaw (11) and the right arc-shaped seesaw (12) are both bent upwards.

3. The rear suspension buffer block assembly according to claim 2, characterized in that: A front connecting plate (13) and a rear connecting plate (14) are provided on the outer side of the bottom of the base (1); the front connecting plate (13), the rear connecting plate (14) and the base (1) are integrally formed; and the left arc-shaped rocker plate (11), the right arc-shaped rocker plate (12) and the bottom of the base (1) have the same curvature.

4. The rear suspension buffer block assembly according to claim 1, characterized in that: The bottom of the rubber block (3) is provided with an arc-shaped portion (32) that fits with the base (1), and the bottom of the rubber block (3) is also provided with a circle of transition rounded edges (33) that fit with the base (1).

5. The rear suspension buffer block assembly according to claim 1, characterized in that: The base (1) and the reinforcing extension portion (16) are integrally formed.

6. The rear suspension buffer block assembly according to claim 1, characterized in that: The base (1), the cup body (2) and the rubber block (3) are integrally vulcanized.

7. The rear suspension buffer block assembly according to claim 1, characterized in that: The top of the rubber block (3) is in an arc shape.

8. The rear suspension buffer block assembly according to claim 1, characterized in that: The outer side of the top of the cup body (2) is provided with a rounded corner.

9. The rear suspension buffer block assembly according to claim 1, characterized in that: The reinforcement hole (15) is a circular hole.

10. The rear suspension buffer block assembly according to claim 1, characterized in that: The inner wall of the cup body (2) is clearance-matched with the outer wall of the reinforcing extension portion (16).

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