Automobile shock absorber sealing device

Abstract

The utility model discloses an automobile shock absorber sealing device which comprises a shock absorber body, the two ends of the shock absorber body are both in threaded connection with mounting seats, a counter bore is formed in one side of each mounting seat, a shock absorption spring is fixedly installed in each counter bore, and the shock absorption springs are connected to the outer surface of the shock absorber body in a sliding and sleeving mode. A threaded mounting hole is formed in the surface of the other side of the mounting base, a positioning ring is clamped in the counter bore, a telescopic sealing cylinder is fixedly connected to the surface of one side of the positioning ring and connected to the outer surfaces of the damping spring and the damper body in a sleeving mode, and a clamping groove is formed in the side face of the interior of the counter bore; a clamping spring is clamped in the clamping groove, a threaded vent hole is formed in the surface of one side of the mounting base, a filtering hole is formed in the threaded vent hole, combined connection can be achieved for filtering and ventilation, the sealing and protecting effect is guaranteed, meanwhile, air pressure can be balanced, deformation is avoided, the protecting effect is improved, and mounting and using are facilitated.

Description

Technical Field

[0001] This utility model relates to the field of automotive shock absorbers, and more specifically, to a sealing device for automotive shock absorbers. Background Technology

[0002] With the development of automotive technology, automobiles are widely used in people's daily lives. In vehicle production, to increase vehicle comfort, shock absorbers are used in the chassis system for damping and buffering. To quickly attenuate the vibration of the frame and body and improve the smoothness and comfort of the car ride, shock absorbers are generally installed on the car suspension system. The most widely used type of shock absorber in automobiles is the double-acting telescopic shock absorber. Shock absorbers are vulnerable parts in the process of car use. The quality of the shock absorber's construction directly affects the stability of the car ride and the lifespan of other components. Therefore, shock absorbers should always be kept in good working condition.

[0003] The utility model patent CN213117242U discloses a sealed dustproof automotive shock absorber, specifically relating to the technical field of shock absorber equipment. It includes a shock absorber body with mounting seats at both its top and bottom. A rubber spring is fitted around the outside of the shock absorber body, and a rectangular ring is fixedly connected to both the top and bottom of the rubber spring. The rectangular ring is fitted around the mounting seat and connected to the mounting seat via a fixing assembly. When the rubber spring needs to be replaced, this utility model drives a limiting plate to move, causing the limiting plate to disengage from the second groove, releasing the restriction on the position of the movable block. This, in turn, drives the movable block to move, causing it to disengage from the first limiting hole, releasing the restriction on the position of the rectangular ring. This, in turn, drives the rectangular ring to move, separating it from the mounting seat. This allows for simple and convenient replacement of the rubber spring, improving ease of use and future replacements.

[0004] In the above-disclosed structure, a rubber spring is installed on the shock absorber body for sealing and positioning. It cannot be installed and fixed separately, which can easily cause interference and affect disassembly and maintenance. Furthermore, it lacks vent holes and filter holes to connect the filter cotton column. During telescopic shock absorption, air cannot enter and exit to balance the air pressure, which can easily cause deformation and misalignment of the sealing position, affecting the sealing and protection effect. It has poor adaptability and needs to be improved. Utility Model Content

[0005] To address the problems existing in the prior art, the purpose of this utility model is to provide a sealing device for an automotive shock absorber. The device connects shock-absorbing springs to mounting seats at both ends of the shock absorber body, which assists in shock absorption. A telescopic sealing cylinder is installed via a positioning ring and secured with a snap-fit ​​spring, facilitating separate installation and maintenance. Furthermore, filter cotton columns are installed via threaded vent holes and filter holes, allowing for combined connection for filtration and ventilation, ensuring a sealing and protective effect. Simultaneously, it balances air pressure to prevent deformation, further enhancing the protective effect and facilitating installation and use.

[0006] To solve the above problems, the present invention adopts the following technical solution.

[0007] A sealing device for an automotive shock absorber includes a shock absorber body. Both ends of the shock absorber body are threadedly connected to mounting seats. One side of each mounting seat has a countersunk hole, inside which a shock absorber spring is fixedly installed. The shock absorber spring is slidably sleeved on the outer surface of the shock absorber body. The other side of the mounting seat has a threaded mounting hole, inside which a positioning ring is engaged. One side of the positioning ring is fixedly connected to a telescopic sealing cylinder, which is sleeved on the outer surface of the shock absorber spring and the shock absorber body. The inner side of the countersunk hole has a groove, inside which a retaining spring is engaged. One side of the mounting seat has a threaded vent hole, inside which a filter hole is provided. One end of the filter hole has a connecting hole, inside which a support spring and a filter cotton column are slidably installed.

[0008] Furthermore, a plug is installed inside the threaded vent hole, and the plug has an exhaust hole inside.

[0009] Furthermore, one end of the plug is provided with a tightening head, which is tightly connected to one end surface of the filter cotton column.

[0010] Furthermore, the plug is provided with an operating head on its side, which is symmetrically distributed on both sides of the exhaust hole. By setting the tightening head and the operating head on the plug, it can be threaded and positioned, which is conducive to limiting and supporting the filter cotton column, ensuring the stability of the installation, and is also convenient for disassembly and replacement, with high adaptability.

[0011] Furthermore, the retaining ring has a notch on one side, and insertion holes on both sides of the notch.

[0012] Furthermore, a clamping block is fixedly connected to one side surface of the retaining ring, and the clamping block is pressed and connected to one side surface of the positioning ring.

[0013] Furthermore, the clamping blocks are evenly distributed on the outer surface of the snap ring, and are spaced apart. By setting notches and holes in the snap ring, the diameter can be reduced using tools, which facilitates elastic snap-fit ​​installation. This allows for the clamping of the positioning ring for combination and fixation, which is convenient for installation and highly adaptable.

[0014] Compared with existing technologies, the advantages of this utility model are:

[0015] (1) This solution connects the shock-absorbing springs to the mounting seats at both ends of the shock absorber body, which can assist in shock absorption. The telescopic sealing cylinder is installed through the positioning ring and fixed by snap-fit ​​spring, which is conducive to separate installation and convenient maintenance. The filter cotton column is installed through the threaded vent hole and filter hole, which can be combined for filtration and ventilation, ensuring the sealing and protection effect. At the same time, it can balance the air pressure to avoid deformation, improve the protection effect, and facilitate installation and use.

[0016] (2) By setting the top tightening head and the operating head through the plug, the threaded installation and positioning can be used to limit and support the filter cotton column, ensure the stability of the installation, and facilitate disassembly and replacement, making it highly adaptable.

[0017] (3) By setting notches and holes through snap rings, tools can be used to reduce the diameter, making it convenient for elastic snap-fit ​​installation. This allows for pressing the positioning ring for combination and fixation, which is easy to install and highly adaptable. Attached Figure Description

[0018] Figure 1 This is a schematic diagram of the overall structure of this utility model;

[0019] Figure 2 This is a schematic diagram of the planar structure cross-section of this utility model;

[0020] Figure 3 This is an internal cross-sectional view of the mounting base of this utility model;

[0021] Figure 4 This is a schematic diagram of the snap ring of this utility model;

[0022] Figure 5 This is a schematic diagram of the plug of this utility model.

[0023] Explanation of the labels in the diagram:

[0024] 1. Shock absorber body, 11. Mounting base, 12. Shock absorber spring, 13. Threaded mounting hole, 14. Countersunk hole, 15. Positioning ring, 16. Telescopic sealing cylinder, 17. Slot, 18. Snap ring, 2. Threaded vent hole, 21. Filter hole, 22. Connecting hole, 23. Support spring, 24. Filter cotton column, 25. Plug, 26. Tightening head, 27. Vent hole, 28. Operating head, 3. Notch, 31. Insertion hole, 32. Clamping block. Detailed Implementation

[0025] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments of the present utility model. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. All other embodiments obtained by those skilled in the art based on the embodiments of the present utility model without creative effort are within the protection scope of the present utility model.

[0026] Please see Figure 1 , Figure 2 and Figure 3 A sealing device for an automotive shock absorber includes a shock absorber body 1. Both ends of the shock absorber body 1 are threadedly connected to mounting seats 11. One side of the mounting seat 11 has a countersunk hole 14, inside which a shock absorber spring 12 is fixedly installed. This allows for combined installation for telescopic shock absorption, facilitating connection and use. The shock absorber spring 12 is slidably sleeved on the outer surface of the shock absorber body 1. The other side of the mounting seat 11 has a threaded mounting hole 13. A positioning ring 15 is engaged inside the countersunk hole 14. A telescopic sealing cylinder 16 is fixedly connected to one side of the positioning ring 15, engaging the positioning ring 15 and thus fitting the telescopic sealing cylinder 16 onto the shock absorber body 1. This provides sealing and positioning protection, preventing external moisture and sediment from entering and causing corrosion during use. It ensures the cleanliness of the working environment for the components of the shock absorber body 1, reduces wear, improves safety and service life, and facilitates protective use. The 6 sleeves are attached to the outer surface of the shock-absorbing spring 12 and the shock absorber body 1. The inner side of the countersunk hole 14 is provided with a groove 17, and a retaining spring 18 is engaged inside the groove 17. One side surface of the mounting base 11 is provided with a threaded vent hole 2, and the inside of the threaded vent hole 2 is provided with a filter hole 21. One end of the filter hole 21 is provided with a connecting hole 22. The support spring 23 and the filter cotton column 24 are slidably installed inside the filter hole 21. The support spring 23 and the filter cotton column 24 can be inserted into the filter hole 21 for combination and positioning. In this way, when the shock absorber body 1 extends and retracts to absorb shock, it will compress the telescopic sealing cylinder 16 to extend, and the internal air pressure will change. Then, it will be discharged from the connecting hole 22 and the filter hole 21. When it is extended, air can be introduced from the outside and filtered through the filter cotton column 24 to ensure internal cleanliness and balance. This avoids local deformation caused by changes in air pressure, thus avoiding damage, improving the sealing and isolation protection effect, and facilitating installation and use.

[0027] Please see Figure 3 and Figure 5A plug 25 is installed inside the threaded vent hole 18. The plug 25 has an exhaust hole 27 inside. One end of the plug 25 has a tightening head 26, which is tightly connected to one end surface of the filter cotton column 24. An operating head 28 is provided on the side of the plug 25. The operating heads 28 are symmetrically distributed on both sides of the exhaust hole 27. By setting the tightening head and operating head on the plug, the filter cotton column can be threaded and positioned, which is conducive to limiting and supporting the filter cotton column, ensuring the stability of the installation, and also facilitating disassembly and replacement. It is highly adaptable. After the filter cotton column 24 is inserted and positioned, the plug 25 can be threaded and installed for support and positioning. The internal exhaust hole 27 will not interfere with the exhaust, which is conducive to combined use. After the plug 25 is removed, the support spring 23 can press the filter cotton column 24 and pop out, which is convenient for replacement and maintenance, ensuring the filtration and protection effect, and facilitating combined use.

[0028] Please see Figure 3 and Figure 4 The retaining ring 18 has a notch 3 on one side and insertion holes 31 on both sides of the notch 3. A clamping block 32 is fixedly connected to one side surface of the retaining ring 18. The clamping block 32 is clamped to one side surface of the positioning ring 15. The clamping blocks 32 are evenly distributed on the outer surface of the retaining ring 18. By setting the notch and insertion holes on the retaining ring, the diameter can be reduced by tools, which facilitates elastic snap-fit ​​installation. This allows the positioning ring to be clamped for combination and fixation, which is convenient for installation and has high adaptability.

[0029] The above description is merely a preferred embodiment of this utility model; however, the protection scope of this utility model is not limited thereto. Any equivalent substitutions or modifications made by those skilled in the art within the technical scope disclosed in this utility model, based on the technical solution and its improved concept, should be included within the protection scope of this utility model.

Claims

1. A sealing device for a car shock absorber, comprising a shock absorber body (1), both ends of the shock absorber body (1) are threadedly connected with mounting seats (11), one side of the mounting seat (11) is provided with a counterbore (14), the inside of the counterbore (14) is fixedly installed with a shock absorbing spring (12), characterized in that: The shock absorbing spring (12) is sleeved on the outer surface of the shock absorber body (1), the other side surface of the mounting base (11) is provided with a threaded mounting hole (13), the inside of the counterbore (14) is clamped with a positioning ring (15), one side surface of the positioning ring (15) is fixedly connected with an elastic sealing cylinder (16), the elastic sealing cylinder (16) is sleeved on the outer surface of the shock absorbing spring (12) and the shock absorber body (1), the inside of the counterbore (14) is provided with a clamping groove (17), the inside of the clamping groove (17) is clamped with a clamping spring (18), one side surface of the mounting base (11) is provided with a threaded air hole (2), the inside of the threaded air hole (2) is provided with a filter hole (21), one end of the filter hole (21) is provided with a communication hole (22), the inside of the filter hole (21) is slidably mounted with a supporting spring (23) and a filter cotton column (24).

2. A seal assembly for a shock absorber of a vehicle as set forth in claim 1 wherein: The inside of the threaded air hole (2) is threadedly mounted with a plug (25), and the inside of the plug (25) is provided with an exhaust hole (27).

3. A seal assembly for a shock absorber of a vehicle as defined in claim 2, wherein: One end of the plug (25) is provided with a jacking head (26), and the jacking head (26) is tightly connected to one end surface of the filter cotton column (24).

4. A seal assembly for a shock absorber of a vehicle as set forth in claim 2 wherein: The side surface of the plug (25) is provided with an operating head (28), and the operating head (28) is symmetrically distributed on both sides of the exhaust hole (27).

5. A seal assembly for a shock absorber of a vehicle as set forth in claim 1 wherein: One side of the clamping spring (18) is provided with a notch (3), and the notch (3) is provided with a jack (31) on both sides.

6. A seal assembly for a shock absorber of a vehicle as defined in claim 1, wherein: One side surface of the clamping spring (18) is fixedly connected with a pressing block (32), and the pressing block (32) is tightly connected to one side surface of the positioning ring (15).

7. A seal for a shock absorber for a vehicle as defined in claim 6, wherein: The pressing blocks (32) are equidistantly distributed on the outer surface of the clamping spring (18) and are spaced apart.

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