Buffer tray of automobile shock absorber

Abstract

The utility model discloses a buffer tray of an automobile shock absorber, which relates to the technical field of automobile shock absorbers and comprises an annular plate, an assembly shaft sleeve is fixedly mounted in the middle of the surface of the annular plate in a penetrating manner, and a limiting baffle is fixedly mounted at the upper edge of the surface of the annular plate. An annular cavity is formed in the position, located in a middle empty groove of the assembling shaft sleeve and the limiting baffle, of the upper portion of the annular plate, an elastic plate is fixedly installed on the lower portion of the inner surface of the annular cavity, namely the upper surface of the annular plate, and a clamping groove is formed in the upper surface of the elastic plate. Compared with an existing buffer tray of a common automobile shock absorber, the buffer tray of the automobile shock absorber has the advantages that the spring is inserted into the annular cavity and installed in the clamping groove, the opening of the elastic plate can contract, the opening is tightened, the insertion portion of the spring is wrapped and fixed, the position of the spring is limited, and the spring is prevented from being damaged in the contraction and extension process. And the spring slides and shakes in the annular cavity under the influence of compression force, so that the stability of the spring in work is improved, and the collision noise is also reduced.

Description

Technical Field

[0001] The utility model relates to the technical field of automobile shock absorbers, in particular to a buffer tray of an automobile shock absorber. Background Art

[0002] The spring tray is a key component of a car shock absorber, supporting the spring. Currently, the spring tray is typically mounted on the shock absorber's piston rod. During installation, the shock absorber is tilted at a certain angle. When the road is bumpy, the car vibrates, accelerating the frequency of the shock absorber's spring. This can easily cause friction and collision between the shock absorber's piston rod and the spring tray, leading to wear and noise. To address this issue, a rubber ring is installed in the center of the spring tray. This creates a certain elastic buffer between the piston rod and the spring tray, effectively eliminating noise.

[0003] For example, the public document with application number 201920734156.0 discloses a car shock absorber spring tray. This utility model forms a limiting support for the filling ring by hemming. A positioning groove for supporting the spring is provided on the radially outer side of the flange, and an annular platform is provided on the outer side of the positioning groove. The outer periphery of the annular platform is provided with an upward limiting edge. The automobile shock absorber spring tray of this utility model can extend the service life of the shock absorber spring tray and prevent its shaft hole from deformation and cracking by providing the flange and the filling ring. At the same time, the elastic structure can eliminate the noise generated by the shock absorber spring when it oscillates. However, the spring of the buffer tray of the automobile shock absorber is directly installed in the annular platform. The spring end is not fixed and is limited only by the limiting edge. The redundant space at the spring end is relatively large. During the vibration operation process, it is very likely to cause the spring to shake and deflect, affecting the working stability and generating a lot of noise.

[0004] Therefore, in view of this, the existing structural deficiencies are studied and improved, and a buffer tray for an automobile shock absorber is proposed. Utility Model Content

[0005] The purpose of the utility model is to provide a buffer tray for an automobile shock absorber to solve the problems raised in the above background technology.

[0006] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a buffer tray for an automobile shock absorber, comprising a ring plate, an assembly sleeve being fixedly installed through the middle of the surface of the ring plate, a limit baffle being fixedly installed at the upper edge of the surface of the ring plate, an annular cavity being provided above the ring plate in the middle hollow groove between the assembly sleeve and the limit baffle, an elastic plate being fixedly installed below the inner surface of the annular cavity, i.e., the upper surface of the ring plate, and a card slot being provided on the upper surface of the elastic plate.

[0007] Preferably, the elastic plate is shaped as a trapezoid, and the clamping slot is also shaped as a trapezoid, so that the inner and outer side walls of the elastic plate are inclined toward the middle.

[0008] Preferably, a rubber pad is fixedly installed on the inner surface of the slot of the elastic plate, and the rubber pad is made of soft rubber material.

[0009] Preferably, the inner surface of the assembly sleeve is provided with elastic colloid, and the elastic colloid is a rubber that is slightly hard and has non-plastic force.

[0010] Compared with the prior art, the beneficial effects of the present invention are:

[0011] 1. The utility model adopts the arrangement of an annular cavity, an elastic plate and a card slot. The spring is inserted into the annular cavity and installed inside the card slot. The opening of the elastic plate will shrink, tighten the opening, cover and fix the insertion part of the spring, and limit the position of the spring. This prevents the spring from slipping and shaking in the annular cavity due to the pressure during the contraction and extension process, thereby improving the stability of the spring during operation and reducing collision noise.

[0012] 2. The utility model arranges the rubber pad and the elastic colloid so that the rubber pad contacts the spring in the slot first, thereby increasing the friction coefficient of the spring contact, reducing the possibility of slippage and collapse, and indirectly improving the stability. The soft-elastic contact surface formed by the soft rubber can further reduce the friction and noise between the spring and the slot. At the same time, when the spring oscillates, the tray is subjected to the impact force of the spring, and will be subjected to axial force and a certain circumferential force. Under the action of the circumferential force, the piston rod squeezes the assembly sleeve, and the assembly sleeve has a certain circumferential elasticity under the action of the internal elastic colloid. After the assembly sleeve is slightly deformed, when the circumferential force is eliminated, under the action of the elastic colloid, the assembly sleeve can automatically restore its shape, which can not only extend the service life of the shock absorber tray and prevent the shaft hole from deformation and cracking, but also eliminate the noise generated by the shock absorber spring oscillation again. BRIEF DESCRIPTION OF THE DRAWINGS

[0013] Figure 1 This is a schematic diagram of the overall structure of the utility model;

[0014] Figure 2 This is a schematic diagram of the overall cross-sectional structure of the utility model;

[0015] Figure 3 This is a schematic diagram of the overall split structure of the utility model.

[0016] In the figure: 1. Ring plate; 2. Assembly sleeve; 3. Limit baffle; 4. Ring cavity; 5. Elastic plate; 6. Slot; 7. Rubber pad; 8. Elastic glue. DETAILED DESCRIPTION

[0017] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the embodiments described are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making creative efforts are within the scope of protection of the present invention.

[0018] like Figure 1-Figure 3 As shown, a buffer tray for an automobile shock absorber includes a ring plate 1, an assembly sleeve 2 is fixedly installed through the middle of the surface of the ring plate 1, a limit baffle 3 is fixedly installed at the edge above the surface of the ring plate 1, and an annular cavity 4 is set above the ring plate 1 in the middle hollow groove between the assembly sleeve 2 and the limit baffle 3. An elastic plate 5 is fixedly installed below the inner surface of the annular cavity 4, that is, on the upper surface of the ring plate 1, and a card slot 6 is opened on the upper surface of the elastic plate 5.

[0019] By adopting the above technical solution, the ring plate 1, the assembly sleeve 2 and the limit baffle 3 together form a complete tray, wherein the limit baffle 3 limits the spring on all sides to prevent it from falling off; the spring is inserted into the ring cavity 4 and installed inside the card slot 6, the opening of the elastic plate 5 will shrink, tighten the opening, cover and fix the spring insertion part, limit the position of the spring, and prevent the spring from slipping and shaking in the ring cavity 4 due to the pressure during the contraction and extension process.

[0020] Furthermore, the elastic plate 5 is configured to be trapezoidal in shape, and the clamping slot 6 is also configured to be trapezoidal in shape, so that the inner and outer side walls of the elastic plate 5 are inclined toward the middle.

[0021] By adopting the above technical solution, this trapezoidal setting makes the upper end opening small and the internal space of the groove body large. After the spring is embedded, the opening gap can be reduced to avoid vibration slippage.

[0022] Furthermore, a rubber pad 7 is fixedly installed on the inner surface of the slot 6 of the elastic plate 5 , and the rubber pad 7 is made of soft rubber material.

[0023] By adopting the above technical solution, the rubber pad 7 contacts the spring in the slot 6 first, thereby increasing the friction coefficient of the spring contact, reducing the possibility of slippage and collapse, and indirectly improving the stability.

[0024] Furthermore, an elastic rubber 8 is provided on the inner surface of the assembly sleeve 2 , and the elastic rubber 8 is a slightly hard rubber with non-plastic force.

[0025] By adopting the above technical solution, the assembly sleeve 2 has a certain circumferential elasticity under the action of the internal elastic gum 8. After the assembly sleeve 2 is slightly deformed, when the circumferential force is eliminated, the assembly sleeve 2 can automatically restore its shape under the action of the elastic gum 8, which can not only extend the service life of the shock absorber tray and prevent the shaft hole from deformation and cracking, but also eliminate the noise generated by the shock absorber spring vibration again.

[0026] Working principle: When using the buffer tray of the automobile shock absorber, first, the complete tray composed of the ring plate 1, the assembly sleeve 2 and the limit baffle 3 is fixed to the shock absorber rod body using the assembly sleeve 2, the spring is inserted into the ring cavity 4, and installed inside the card slot 6, the opening of the elastic plate 5 will shrink, tighten the opening, cover and fix the spring insertion part, limit the position of the spring, and prevent the spring from slipping and shaking in the ring cavity 4 due to the pressure during the contraction and extension process. The rubber pad 7 is used to contact the spring in the card slot 6 first, thereby increasing the friction coefficient of the spring contact, reducing the possibility of slippage and collapse, and improving the stability in disguise. It is formed by soft rubber The soft-elastic contact surface can further reduce the friction and noise between the spring and the slot 6. At the same time, when the spring oscillates, the tray is subjected to the impact force of the spring, and will be subjected to axial force and a certain circumferential force. Under the action of the circumferential force, the piston rod squeezes the assembly sleeve 2, and the assembly sleeve 2 has a certain circumferential elasticity under the action of the internal elastic gum 8. After the assembly sleeve 2 is slightly deformed, when the circumferential force is eliminated, under the action of the elastic gum 8, the assembly sleeve 2 can automatically restore its shape. Even if the spring falls off from the slot 6 during operation, the limit baffle 3 can also provide secondary protection for the spring to prevent it from falling off. This is the working principle of the buffer tray of the automobile shock absorber.

Claims

1. A buffer tray for a car shock absorber, comprising a ring plate (1), characterized in that: An assembly sleeve (2) is fixedly installed through the middle of the surface of the ring plate (1), a limit baffle (3) is fixedly installed at the upper edge of the surface of the ring plate (1), and an annular cavity (4) is provided above the ring plate (1) at the middle hollow groove between the assembly sleeve (2) and the limit baffle (3). An elastic plate (5) is fixedly installed below the inner surface of the annular cavity (4), i.e., on the upper surface of the ring plate (1), and a clamping groove (6) is provided on the upper surface of the elastic plate (5).

2. The buffer tray of a car shock absorber according to claim 1, characterized in that: The elastic plate (5) is arranged in a trapezoidal shape, and the clamping slot (6) is also arranged in a trapezoidal shape, so that the inner and outer side walls of the elastic plate (5) are inclined toward the middle.

3. The buffer tray of a car shock absorber according to claim 1, characterized in that: A rubber pad (7) is fixedly mounted on the inner surface of the clamping groove (6) of the elastic plate (5), and the rubber pad (7) is made of soft rubber material.

4. The buffer tray of a car shock absorber according to claim 1, characterized in that: The inner surface of the assembly sleeve (2) is provided with an elastic colloid (8), and the elastic colloid (8) is a slightly hard rubber with non-plastic force.

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