Dustproof structure of shock absorber

Abstract

The utility model discloses a dustproof structure of a shock absorber. The dustproof structure comprises an upper fixing seat, a positioning frame and a fixing box, a lower fixing seat is arranged at the bottom of the upper fixing seat, a shock absorber body is connected between the upper fixing seat and the lower fixing seat, and a spring A is connected to the surface of the shock absorber body; an air bag is arranged in the positioning frame; according to the shock absorber, the shock absorber body is compressed, the spring A on the surface of the shock absorber body can be compressed, air in the air bag is exhausted outwards from the interior of the air pipe, the shock absorption effect is achieved, and external dust can be prevented from entering the shock absorber through the arrangement of the sealing ring; air entering the air bag can be filtered through a filter screen at the air pipe, and dust is prevented from entering the lower fixing seat and the upper fixing seat; a movable plate, a fixed rod and an inserting rod are pushed downwards through the elastic force of a spring B, so that the inserting rod is gradually separated from the interior of the filter screen, the filter screen can be disassembled, and the surface of the filter screen is cleaned.

Description

Technical Field

[0001] The utility model relates to the technical field of shock absorbers, and particularly relates to a dust-proof structure for a shock absorber. Background Technique

[0002] A shock absorber is used to suppress the oscillation when the spring rebounds after absorbing shock and the impact from the road surface. It is widely used in automobiles to accelerate the attenuation of the vibration of the vehicle frame and the body, so as to improve the driving smoothness of the automobile. When the piston reciprocates in the cylinder barrel, the oil in the shock absorber reciprocates between two mutually isolated inner cavities through the narrow pores on the valve. Due to the friction between the pore wall and the oil and the internal friction of the liquid molecules, a damping force is formed, thereby converting the mechanical energy of the vehicle body vibration into heat energy to be absorbed by the oil and the housing.

[0003] In the related technology, through retrieval, a solution for a closed dust-proof automobile shock absorber (publication number: CN218408300U) is found. When in use, by setting a protection mechanism, which is composed of an upper protection sleeve and a lower protection sleeve, and slidingly connecting the upper protection sleeve and the lower protection sleeve, the shock absorber main body can be protected by the upper protection sleeve and the lower protection sleeve to prevent dust or mud from adhering to the shock absorber main body and affecting the operation of the shock absorber main body. And by providing a rubber protection surface layer on the surfaces of the upper protection sleeve and the lower protection sleeve, it can prevent damage to the protection mechanism caused by flying stones and extend the service life of the protection mechanism.

[0004] However, the above-mentioned filter screen is fixedly arranged on one side of the airbag air inlet. After the filter screen filters the external air for a long time, the external dust will adhere to the surface of the filter screen, resulting in the inability to continue filtering the air when filtering the air subsequently. At the same time, since the filter screen is fixed, it is more cumbersome to clean or replace a new filter screen subsequently, and it is not convenient to operate and use. In view of this, we introduce a dust-proof structure for a shock absorber. Content of the Utility Model

[0005] The purpose of the utility model is to provide a dust-proof structure for a shock absorber to solve the problems put forward in the above background technique.

[0006] To achieve the above purpose, the utility model provides the following technical solution: A dust-proof structure for a shock absorber, comprising: an upper fixing seat, a positioning frame and a fixing box;

[0007] A lower fixing seat is arranged at the bottom of the upper fixing seat, a shock absorber main body is connected between the upper fixing seat and the lower fixing seat, and a spring A is connected to the surface of the shock absorber main body. The common use of the shock absorber main body and the spring A can achieve the shock-absorbing effect;

[0008] An airbag is arranged inside the positioning frame. A trachea is connected to the top of the airbag. The trachea penetrates through the positioning frame and the upper fixing seat. A filter screen is arranged inside the trachea. The filter screen can filter dust in the external air, and the filter screen penetrates through the trachea.

[0009] The fixing box is arranged on the surface of the trachea and fixedly connected to the surface of the trachea. A disassembly mechanism is arranged inside the fixing box. The bolt of the disassembly mechanism drives the fixing rod, the moving plate and the inserting rod to move, so that one end of the inserting rod disengages from the inside of the filter screen to release the fixation.

[0010] Preferably, the disassembly mechanism includes a fixing cavity opened inside the fixing box. The fixing cavity and the fixing box are integrally formed. The moving plate is slidably connected inside the fixing cavity. The inserting rod is connected to the top of the moving plate and is fixedly arranged with the moving plate. One end of the inserting rod penetrates through the fixing box and the filter screen respectively. The inserting rod can fix the filter screen. The fixing rod is connected to the bottom of the moving plate. The bolt is screwed inside the fixing box and contacts the fixing rod. A spring B is sleeved on the surface of the inserting rod. A handle is connected to one side of the filter screen and is fixedly arranged with the filter screen.

[0011] Preferably, a positioning groove for slidably connecting the moving plate is opened inside the fixing box. The positioning groove can limit the movement of the moving plate so that the moving plate always moves in a vertical state.

[0012] Preferably, a sealing ring is connected inside the upper fixing seat and contacts the lower fixing seat. The sealing ring can block external dust and prevent dust from entering.

[0013] Preferably, a pressing plate is connected to the top of the lower fixing seat. The pressing plate is slidably connected inside the positioning frame. Both sides of the pressing plate are respectively in contact with the inside of the positioning frame to limit the movement of the pressing plate, and the pressing plate contacts the airbag. The pressing plate can squeeze the airbag.

[0014] Preferably, an upper hook is connected to the top of the shock absorber body, and a lower hook is connected to the bottom of the shock absorber body.

[0015] Compared with the prior art, the beneficial effects of the utility model are:

[0016] (1) Drive the lower fixing seat to move upward through the lower hook, so that the pressing plate on the top of the lower fixing seat moves upward inside the positioning frame, and the shock absorber body will work, causing the shock absorber body to compress, and the spring A on the surface of the shock absorber body will be compressed. Then the pressing plate will squeeze the airbag, causing the gas inside the airbag to be discharged outward from the inside of the air pipe, thereby forming a shock absorption effect. The setting of the sealing ring can prevent external dust from entering the inside of the lower fixing seat and the upper fixing seat;

[0017] (2) The filter screen at the air pipe can filter the gas entering the airbag to prevent dust from entering the inside of the lower fixing seat and the upper fixing seat. Repeatedly inflating and exhausting the airbag in this way can effectively promote the air flow inside the lower fixing seat and the upper fixing seat, and also facilitate blocking dust;

[0018] (3) Gradually remove the bolt into the inside of the fixing box, and one end of the bolt will cancel the contact with the fixing rod. Use the elastic force of the spring B itself to push the moving plate, the fixing rod and the plugging rod downward, so that the plugging rod gradually disengages from the inside of the filter screen, thereby releasing the fixation of the filter screen. Drive the filter screen to disengage from the inside of the air pipe through the handle, and then the filter screen can be disassembled, and then the surface of the filter screen can be cleaned to prevent the filter screen from being blocked, making it more convenient to use. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] Figure 1 It is a schematic structural diagram of the whole utility model;

[0020] Figure 2 It is a schematic side-sectional structure diagram of the air pipe of the utility model;

[0021] Figure 3 It is a schematic side-sectional structure diagram of the fixing box of the utility model.

[0022] In the figure: 1. Upper fixing seat; 2. Air pipe; 3. Upper hook; 4. Positioning frame; 5. Airbag; 6. Pressing plate; 7. Sealing ring; 8. Lower fixing seat; 9. Spring A; 10. Shock absorber body; 11. Lower hook; 12. Filter screen; 13. Handle; 14. Fixing box; 15. Bolt; 16. Plugging rod; 17. Spring B; 18. Fixing cavity; 19. Positioning groove; 20. Fixing rod; 21. Moving plate. DETAILED DESCRIPTION OF THE EMBODIMENTS

[0023] The technical solutions in the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present utility model. Obviously, the described embodiments are only a part of the embodiments of the present utility model, rather than all the embodiments. Based on the embodiments in the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative efforts shall fall within the protection scope of the present utility model.

[0024] Please refer to Figures 1-3 Figures 1-3 , the present utility model provides a technical solution: a dust-proof structure for a shock absorber, including: an upper fixing seat 1, a lower fixing seat 8 is arranged at the bottom of the upper fixing seat 1, a shock absorber body 10 is connected between the upper fixing seat 1 and the lower fixing seat 8, and a spring A9 is connected to the surface of the shock absorber body 10;

[0025] A positioning frame 4, an airbag 5 is arranged inside the positioning frame 4, a trachea 2 is connected to the top of the airbag 5, the trachea 2 penetrates through the positioning frame 4 and the upper fixing seat 1, a filter net 12 is arranged inside the trachea 2, and the filter net 12 penetrates through the trachea 2;

[0026] A fixing box 14 is arranged on the surface of the trachea 2, a disassembly mechanism is arranged inside the fixing box 14, and a bolt 15 of the disassembly mechanism drives a fixing rod 20, a moving plate 21 and a plugging rod 16 to move, so that one end of the plugging rod 16 disengages from the inside of the filter net 12 to release the fixation.

[0027] The disassembly mechanism includes a fixing cavity 18 opened inside the fixing box 14, the moving plate 21 is slidably connected inside the fixing cavity 18, the plugging rod 16 is connected to the top of the moving plate 21, the plugging rod 16 is fixedly arranged with the moving plate 21, and one end of the plugging rod 16 respectively penetrates through the fixing box 14 and the filter net 12, and the plugging rod 16 can fix the filter net 12. The fixing rod 20 is connected to the bottom of the moving plate 21, the bolt 15 is screwed inside the fixing box 14, and the bolt 15 contacts the fixing rod 20. A spring B17 is sleeved on the surface of the plugging rod 16, and a handle 13 is connected to one side of the filter net 12, and the handle 13 is fixedly arranged with the filter net 12.

[0028] A positioning groove 19 for slidably connecting the moving plate 21 is opened inside the fixing box 14. The arrangement of the positioning groove 19 can limit the movement of the moving plate 21, so that the moving plate 21 always moves in a vertical state.

[0029] A sealing ring 7 is connected inside the upper fixing seat 1, and the sealing ring 7 contacts the lower fixing seat 8. The arrangement of the sealing ring 7 can block external dust and prevent dust from entering.

[0030] A pressing plate 6 is connected to the top of the lower fixing seat 8, the pressing plate 6 is slidably connected inside the positioning frame 4, both sides of the pressing plate 6 respectively contact the inside of the positioning frame 4, so as to limit the movement of the pressing plate 6, and the pressing plate 6 contacts the airbag 5, and the pressing plate 6 can squeeze the airbag 5.

[0031] The top of the shock absorber body 10 is connected with an upper hook 3, and the bottom of the shock absorber body 10 is connected with a lower hook 11.

[0032] Specifically, during use, the lower hook 11 drives the lower fixing seat 8 to move upward, so that the pressing plate 6 on the top of the lower fixing seat 8 moves upward inside the positioning frame 4, and the shock absorber body 10 will work, causing the shock absorber body 10 to compress. The spring A9 on the surface of the shock absorber body 10 will be compressed, and the pressing plate 6 will squeeze the airbag 5, causing the gas inside the airbag 5 to be discharged outward from the inside of the air pipe 2, thereby forming a shock-absorbing effect, making it more convenient to use. The setting of the sealing ring 7 can prevent external dust from entering the lower fixing seat 8 and the upper fixing seat 1.

[0033] After the lower fixing seat 8 moves downward, a negative pressure is generated inside the airbag 5 at this time. The external air flow can be sucked into the airbag 5 through the air pipe 2. The filter screen 12 at the air pipe 2 can filter the gas entering the airbag 5 to prevent dust from entering the lower fixing seat 8 and the upper fixing seat 1. Repeating the inflation and deflation work of the airbag 5 in this way can effectively promote the air flow inside the lower fixing seat 8 and the upper fixing seat 1, and also facilitate blocking dust, making it convenient to use.

[0034] At this time, the bolt 15 is unscrewed, so that the bolt 15 gradually disengages from the inside of the fixed box 14, and one end of the bolt 15 will cancel the contact with the fixed rod 20. At this time, the elastic force of the spring B17 itself is used to push the moving plate 21, the fixed rod 20 and the insertion rod 16 downward, so that the insertion rod 16 gradually disengages from the inside of the filter screen 12, thereby releasing the fixation of the filter screen 12. At this time, the filter screen 12 is driven to disengage from the inside of the air pipe 2 through the handle 13, and the filter screen 12 can be disassembled, and then the surface of the filter screen 12 can be cleaned to prevent the filter screen 12 from being blocked, making it more convenient to use.

[0035] Although the embodiments of the present invention have been shown and described, for those of ordinary skill in the art, it can be understood that various changes, modifications, substitutions and variations can be made to these embodiments without departing from the principle and spirit of the present invention. The scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A dust-proof structure of a shock absorber, characterized in that, Including: An upper fixing seat (1), a lower fixing seat (8) is arranged at the bottom of the upper fixing seat (1), a shock absorber body (10) is connected between the upper fixing seat (1) and the lower fixing seat (8), and a spring A (9) is connected to the surface of the shock absorber body (10); A positioning frame (4), an airbag (5) is arranged inside the positioning frame (4), a trachea (2) is connected to the top of the airbag (5), the trachea (2) penetrates through the positioning frame (4) and the upper fixing seat (1), a filter screen (12) is arranged inside the trachea (2), and the filter screen (12) penetrates through the trachea (2); A fixing box (14), the fixing box (14) is arranged on the surface of the trachea (2), a disassembly mechanism is arranged inside the fixing box (14), and a bolt (15) of the disassembly mechanism drives a fixing rod (20), a moving plate (21) and a plugging rod (16) to move, so that one end of the plugging rod (16) disengages from the inside of the filter screen (12) to release the fixation.

2. The dust-proof structure of a shock absorber according to claim 1, characterized in that, The disassembly mechanism includes a fixing cavity (18) opened inside the fixing box (14), the moving plate (21) is slidably connected inside the fixing cavity (18), the plugging rod (16) is connected to the top of the moving plate (21), and one end of the plugging rod (16) penetrates through the fixing box (14) and the filter screen (12) respectively, the fixing rod (20) is connected to the bottom of the moving plate (21), the bolt (15) is screwed inside the fixing box (14), and the bolt (15) contacts the fixing rod (20), a spring B (17) is sleeved on the surface of the plugging rod (16), and a handle (13) is connected to one side of the filter screen (12).

3. The dust-proof structure of a shock absorber according to claim 2, characterized in that, A positioning groove (19) for slidably connecting the moving plate (21) is opened inside the fixing box (14).

4. The dust-proof structure of a shock absorber according to claim 1, characterized in that, A sealing ring (7) is connected inside the upper fixing seat (1), and the sealing ring (7) contacts the lower fixing seat (8).

5. The dust-proof structure of a shock absorber according to claim 1, characterized in that, A pressing plate (6) is connected to the top of the lower fixing seat (8), the pressing plate (6) is slidably connected inside the positioning frame (4), and the pressing plate (6) contacts the airbag (5).

6. The dust-proof structure of a shock absorber according to claim 1, characterized in that, An upper hook (3) is connected to the top of the shock absorber body (10), and a lower hook (11) is connected to the bottom of the shock absorber body (10).

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