Protective structure for upper joint of shock absorber

Abstract

The utility model relates to the technical field of automobile shock absorbers, in particular to a shock absorber upper connector protection structure which comprises an upper connector provided with a buffer block, a gasket and a nut and further comprises a protection cover, the protection cover is arranged at the end of the upper connector in a sleeved mode, an installation cavity is formed in the protection cover, and the installation cavity is communicated with the buffer block. The protective cover is provided with a mounting cavity, the nut is arranged in the mounting cavity, a connecting piece is arranged at the lower end of the protective cover, the connecting piece is annularly arranged on the outer side of the protective cover, the connecting piece is attached to the surface of the gasket, a clamping piece is arranged on the gasket, and the edge of the connecting piece is clamped to the clamping piece. The nut can be stably mounted on the upper joint through the mounting cavity in the protective cover, and the connecting piece is matched with the clamping piece on the gasket, so that the stability between the protective cover and the upper joint is further enhanced, and the protective cover is prevented from loosening or falling off.

Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of automobile shock absorber, especially relates to a shock absorber upper joint protection structure. BACKGROUND

[0002] In prior art, the shock absorber is connected between the automobile body and the automobile chassis, the upper joint of the shock absorber is exposed after installation, the end of the upper joint is generally exposed to the outside, and the upper joint is directly contacted with the external environment, so that the upper joint exposed to the outside for a long time is rusted, the fastening effect of the fastening nut on the upper joint is reduced, the fastening nut is seriously failed, and great safety hazards are caused, and the upper joint with rust is not conducive to the disassembly and replacement of the shock absorber.

[0003] The utility model discloses a shock absorber upper joint protection structure discloses a kind of shock absorber upper joint protection structures, including: protective cover body, protective cover body is equipped with a installation part, installation part is used to set in the end of shock absorber upper joint, and it is used to with the hexagon nut that the shock absorber upper joint is fixedly installed on automobile body is connected, but the installation mode of protective cover body is prone to fall off in long-term vibration process, so as to lose protection function. UTILITY MODEL CONTENTS

[0004] The utility model aims at providing a kind of shock absorber upper joint protection structure to solve the problems raised in background art.

[0005] The above-mentioned purpose of the utility model is realized by the following technical scheme: a kind of shock absorber upper joint protection structure, including upper joint, the upper joint is provided with buffer block, gasket and nut, further including protective cover, the protective cover is set in the end of the upper joint, installation cavity is set in the protective cover, the nut is set in the installation cavity, the lower end of the protective cover is provided with connecting piece, the connecting piece is arranged on the outer side of the protective cover, the connecting piece is attached to the surface of the gasket, the gasket is provided with clamping piece, and the edge of the connecting piece is clamped on the clamping piece.

[0006] As preferred, the clamping piece includes vertical piece vertically arranged on the gasket and clamping part arranged on the upper end of the vertical piece and protruding towards the connecting piece, a clamping groove for clamping the connecting piece is formed between the clamping part, vertical piece and gasket surface.

[0007] As preferred, the upper end surface of the clamping part is inclined surface, and the upper end of the inclined surface is inclined away from the connecting piece relative to the lower end.

[0008] As preferred, the installation cavity is hexagonal cavity matched with the shape of the nut.

[0009] As preferred, the upper end of the protective cover is provided with a through hole, which is communicated with the mounting cavity.

[0010] As preferred, a circular cavity is further arranged in the protective cover, which is located above the mounting cavity, the diameter of the circular cavity is smaller than the diameter of the inscribed circle of the mounting cavity, and the through hole, the circular cavity and the mounting cavity are communicated.

[0011] As preferred, a plug is inserted at the opening of the through hole, the plug is connected to the protective cover through an elastic sheet, and the plug is a conical structure.

[0012] The protective cover has the advantages that:

[0013] 1. The mounting cavity in the protective cover ensures that the nut can be stably mounted on the upper joint, and the connecting piece and the clamping piece on the gasket are matched to further enhance the stability between the protective cover and the upper joint, so that the loosening or falling off of the protective cover is prevented.

[0014] 2. The clamping piece is arranged to enable the connecting piece to be conveniently clamped on the gasket, thereby simplifying the installation process of the protective cover, and the structure is also conducive to subsequent maintenance and replacement work, because the protective cover can be more easily disassembled and reinstalled. BRIEF DESCRIPTION OF DRAWINGS

[0015] Figure 1 is a structural schematic view of the protective structure in the embodiment 1 of the utility model;

[0016] Figure 2 is an exploded view of the protective structure in the embodiment 1 of the utility model;

[0017] Figure 3 is an installation schematic view of the protective cover and the gasket in the embodiment 1 of the utility model;

[0018] Figure 4 is a structural schematic view of the protective cover in the embodiment 2 of the utility model;

[0019] In the drawing: 1-upper joint, 2-buffer block, 3-gasket, 4-nut, 5-protective cover, 501-mounting cavity, 502-circular cavity, 503-connecting piece, 504-through hole, 505-plug, 506-elastic sheet, 6-clamping piece, 601-vertical piece, 602-clamping part, 603-inclined surface, 7-shock absorber, 8-automobile body. DETAILED DESCRIPTION

[0020] The utility model will be further explained in detail in combination with the drawings.

[0021] The specific embodiment is only an explanation of the utility model, and is not a limitation of the utility model, and a person skilled in the art can make a modification without creative contribution according to the needs after reading the specification, but as long as it is within the scope of the claims of the utility model, it is protected by the patent law.

[0022] Embodiment 1:

[0023] As shown in Figure 1 , Figure 2 and Figure 3 , an upper joint protection structure of a shock absorber comprises an upper joint 1 and a protective cover 5, the upper joint 1 is provided with a buffer block 2, a gasket 3 and a nut 4, a piston rod of a shock absorber 7 is fixedly connected to a vehicle body 8 through the upper joint 1, the buffer block 2, the gasket 3 and the nut 4, the nut 4 is screwed on the upper joint 1, and the buffer block 2 and the gasket 3 are located between the nut 4 and the vehicle body 8.

[0024] The protective cover 5 is sleeved on the end of the upper joint 1, the protective cover 5 is provided with a mounting cavity 501 in the inside, and the nut 4 is arranged in the mounting cavity 501. The mounting cavity 501 is a hexagonal cavity matched with the shape of the nut 4. The material of the protective cover 5 is rubber, and the mounting cavity 501 and the nut 4 are in interference fit.

[0025] The protective cover 5 is further provided with a circular cavity 502 in the inside, the circular cavity 502 is located above the mounting cavity 501, the diameter of the circular cavity 502 is smaller than the diameter of the inscribed circle of the mounting cavity 501, and the end of the upper joint 1 is inserted into the circular cavity 502.

[0026] As shown in Figure 3 , the lower end of the protective cover 5 is provided with a connecting piece 503, the connecting piece 503 is annularly arranged outside the protective cover 5, the material of the connecting piece 503 is the same as that of the protective cover 5, has a certain elasticity, and is integrally connected with the protective cover 5.

[0027] The gasket 3 is provided with a clamping piece 6, the clamping piece 6 comprises a vertical piece 601 vertically arranged on the gasket 3 and a clamping part 602 arranged on the upper end of the vertical piece 601 and protruding towards the connecting piece 503, and a clamping groove for clamping the connecting piece 503 is formed between the clamping part 602, the vertical piece 601 and the surface of the gasket 3. The number of the clamping pieces 6 is 2-4, and they are circumferentially distributed around the hole of the gasket 3.

[0028] When the protective cover 5 is installed, the connecting piece 503 is attached to the surface of the gasket 3, and the edge of the connecting piece 503 is clamped on the clamping piece 6. In this way, the protective cover 5 will not be separated from the gasket 3 even after long-time vibration.

[0029] In order to facilitate the connection piece 503 to be clamped into the clamping groove, the upper end surface of the clamping portion 602 is an inclined surface 603, and the upper end of the inclined surface 603 is inclined away from the connection piece 503 relative to the lower end.

[0030] Embodiment 2:

[0031] As shown in Figure 4 the difference from Embodiment 1 is that the upper end of the protective cover 5 is provided with a through hole 504, the through hole 504, the circular cavity 502 and the mounting cavity 501 are in communication. Since the mounting cavity 501 is in interference fit with the nut 4, the air in the mounting cavity 501 can be discharged through the through hole 504 during installation.

[0032] A plug 505 is inserted at the opening of the through hole 504, the plug 505 is connected to the protective cover 5 through an elastic piece 506, the elastic piece 506 is made of elastic rubber piece, and the plug 505 is conical structure. When the nut 4 is installed into the mounting cavity 501, the air in the mounting cavity 501 is compressed and pushes the plug 505 to move outward, at this time the elastic piece 506 is stretched to discharge the air; after the installation is completed, the elastic piece 506 is contracted and restored, the plug 505 is plugged into the through hole 504 again through the elastic force, so that the protective cover 5 maintains airtight state.

Claims

1. A shock absorber upper joint protection structure comprising an upper joint (1) provided with a bumper block (2), a gasket (3) and a nut (4) on the upper joint (1), characterized in that, The protective cover (5) is sleeved at the end of the upper joint (1), an installation cavity (501) is arranged in the protective cover (5), the nut (4) is arranged in the installation cavity (501), a connecting sheet (503) is arranged at the lower end of the protective cover (5), the connecting sheet (503) is arranged outside the protective cover (5), the connecting sheet (503) is attached to the surface of the gasket (3), the gasket (3) is provided with a clamping piece (6), and the edge of the connecting sheet (503) is clamped on the clamping piece (6).

2. The shock absorber upper joint guard structure of claim 1, wherein: The clamping piece (6) comprises a vertical sheet (601) vertically arranged on the gasket (3) and a clamping portion (602) arranged at the upper end of the vertical sheet (601) and protruding towards the connecting sheet (503), and a clamping groove for clamping the connecting sheet (503) is formed between the clamping portion (602), the vertical sheet (601) and the surface of the gasket (3).

3. The shock absorber upper joint guard structure of claim 2, wherein: The upper end surface of the clamping portion (602) is an inclined surface (603), and the upper end of the inclined surface (603) is inclined away from the connecting sheet (503) relative to the lower end.

4. The shock absorber upper joint guard structure of claim 1, wherein: The installation cavity (501) is a hexagonal cavity matched with the shape of the nut (4).

5. The shock absorber upper joint guard structure of claim 4, wherein: The upper end of the protective cover (5) is provided with a through hole (504) in communication with the installation cavity (501).

6. The shock absorber upper joint guard structure of claim 5, wherein: A circular cavity (502) is further arranged in the protective cover (5), the circular cavity (502) is located above the installation cavity (501), the diameter of the circular cavity (502) is smaller than the diameter of the inscribed circle of the installation cavity (501), and the through hole (504), the circular cavity (502) and the installation cavity (501) are in communication.

7. An upper shock absorber joint guard structure according to claim 5 or 6, characterized in that: A plug (505) is inserted at the opening of the through hole (504), the plug (505) is connected to the protective cover (5) through an elastic sheet (506), and the plug (505) is a conical structure.

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