Self-locking dustproof end cover of automobile shock absorber

Abstract

According to the technical scheme, the self-locking type automobile shock absorber dustproof end cover comprises an end cover body and a locker, the locker is installed on the outer surface of the end cover body, a transmission groove is formed in the position, located at the locker, of the interior of the end cover body, a rotating shaft is installed in the transmission groove, a worm wheel is installed on the outer surface of the rotating shaft, and the worm wheel is installed on the outer surface of the worm wheel. A rotating shaft is installed at the top of the end cover body and located at the transmission groove, a worm is installed at the tail end of the rotating shaft and located on the front surface of the worm gear, and the worm is meshed with the worm gear. The utility model discloses a self-locking type dustproof end cover of an automobile shock absorber, and solves the problems that a sealing gasket is locked and fixed by adopting a screw connection mode in the conventional dustproof end cover of the automobile shock absorber, and screws are easy to loosen in the long-time vibration process of the automobile shock absorber, so that the service life of the automobile shock absorber is influenced. And the loosening probability of the end cover of the automobile shock absorber is reduced, so that the service life of the automobile shock absorber is prolonged.

Description

Technical Field

[0001] The utility model relates to the technical field of automotive shock absorbers, and particularly relates to a self-locking dust-proof end cover for an automotive shock absorber. Background Technique

[0002] An automotive shock absorber, also known as a shock absorber or vibration damper, is one of the important components installed on the vehicle suspension system. Its main function is to reduce the vibrations and bumps generated by the uneven road surface and the vehicle body movement during driving, provide a more comfortable riding experience, and increase the stability and handling performance of the vehicle. The working principle of an automotive shock absorber is to consume and control the energy generated by the vehicle body movement through damping force. At the top of the automotive shock absorber, a dust-proof end cover needs to be installed.

[0003] The existing dust-proof end covers of automotive shock absorbers mostly use screw connection to lock and fix the gasket. During the long-term vibration process of the automotive shock absorber, the screws are very easy to loosen, affecting the service life of the automotive shock absorber. For this reason, we propose a self-locking dust-proof end cover for an automotive shock absorber. Content of the Utility Model

[0004] The purpose of the utility model is to provide a self-locking dust-proof end cover for an automotive shock absorber, achieving the effect of locking the automotive end cover, so as to solve the problem that the existing dust-proof end covers of automotive shock absorbers mostly use screw connection to lock and fix the gasket, and during the long-term vibration process of the automotive shock absorber, the screws are very easy to loosen, affecting the service life of the automotive shock absorber.

[0005] To achieve the above purpose, the utility model provides the following technical solution: a self-locking dust-proof end cover for an automotive shock absorber, including an end cover body and a locking device. The locking device is installed on the outer surface of the end cover body. A transmission groove is provided inside the end cover body at the position of the locking device. A rotating shaft is installed inside the transmission groove. A worm gear is installed on the outer surface of the rotating shaft. A rotating shaft is installed on the top of the end cover body at the position of the transmission groove. A worm is installed at the end of the rotating shaft on the front surface of the worm gear. The worm is meshed with the worm gear.

[0006] Preferably, the rotating shaft is sleeved on the locking device, and the rotating shaft and the locking device are connected by screw thread screwing.

[0007] Preferably, a shaft passing hole is provided in the middle inside the end cover body, and a sealing ring is installed on the inner surface of the shaft passing hole.

[0008] Preferably, a sealing gasket is installed on the outer surface of the end cover body near the bottom.

[0009] Preferably, a pressing plate is installed on the top of the end cover body through positioning screws. An inner hole is provided in the middle inside the pressing plate. A pressing groove is provided in the middle at the bottom of the pressing plate. A boss is installed on the inner top of the pressing groove.

[0010] Preferably, there are three locking devices in total, and the three locking devices are evenly distributed on the outer surface of the end - cover main body. Anti - slip teeth are provided at the ends of the three locking devices.

[0011] Preferably, a sealing groove is provided on the outer surface of the end - cover main body inside the locking device, and a seal is installed inside the sealing groove.

[0012] Compared with the prior art, the beneficial effects of the present utility model are as follows:

[0013] 1. By setting a rotating shaft, a rotating axle, a locking device and anti - slip teeth, the present utility model achieves the effect of locking the automobile end - cover. A locking device is provided on the outer surface of the end - cover main body, a transmission groove is provided inside the end - cover main body at the position of the locking device, a rotating shaft is provided inside the transmission groove, a worm gear is provided on the outer surface of the rotating shaft, a rotating axle is provided on the top of the end - cover main body at the position of the transmission groove, and a worm is provided on the front surface of the worm gear at the end of the rotating axle, so as to solve the problem that the existing dust - proof end - cover of the automobile shock absorber mostly uses screws to connect and lock the sealing gasket. During the long - term vibration of the automobile shock absorber, the screws are prone to loosen, affecting the service life of the automobile shock absorber. The loosening probability of the end - cover of the automobile shock absorber is reduced, thus improving the service life of the automobile shock absorber.

[0014] 2. By setting a worm gear and a worm, the present utility model achieves the effect of locking the rotating shaft. A worm gear is provided on the outer surface of the rotating shaft, a rotating axle is provided on the top of the end - cover main body at the position of the transmission groove, a worm is provided on the front surface of the worm gear at the end of the rotating axle, and the worm is meshed with the worm gear, so as to solve the problem that during the use of the existing locking device and rotating shaft, the locking force of the rotating shaft is poor and the end - cover of the shock absorber is prone to loosen. The loosening probability of the end - cover of the shock absorber is reduced, thus improving the service life of the automobile shock absorber.

[0015] 3. By setting a pressing plate, a convex platform and a pressing groove, the present utility model achieves the effect of sealing the output shaft of the automobile shock absorber. A pressing plate is provided on the top of the end - cover main body through positioning screws, an inner hole is provided in the middle of the pressing plate, a pressing groove is provided in the middle of the bottom of the pressing plate, and a convex platform is provided on the top inside the pressing groove, so as to solve the problem that after the existing automobile shock absorber is used for a period of time, the sealing ring is prone to wear and the connection is prone to leakage. The sealing performance of the end - cover of the shock absorber is improved, thus ensuring the service life of the automobile shock absorber. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 is the front - view structural schematic diagram of the present utility model;

[0017] Figure 2 is Figure 1 the enlarged structural schematic diagram of A therein;

[0018] Figure 3 Schematic cross-sectional structure diagram of the present utility model;

[0019] Figure 4 is Figure 3 Enlarged structure diagram of B therein;

[0020] Figure 5 is Figure 3 Enlarged structure diagram of C therein.

[0021] Reference numerals in the drawings: 1, end cover main body; 2, gasket; 3, lock; 4, pressing plate; 5, inner hole; 6, positioning screw; 7, anti-slip teeth; 8, shaft through hole; 9, rotating shaft; 10, sealing ring; 11, pressing groove; 12, boss; 13, rotating shaft; 14, worm gear; 15, transmission groove; 16, seal; 17, sealing groove; 18, worm. Detailed implementation manners

[0022] The technical solutions of the present utility model will be further described below in conjunction with the drawings and specific embodiments.

[0023] Embodiment 1

[0024] As Figures 1-3 and Figure 5 shown, to achieve the above object, the present utility model provides the following technical solutions: A self-locking dust cover for an automotive shock absorber, including an end cover main body 1 and a lock 3. The lock 3 is installed on the outer surface of the end cover main body 1. A transmission groove 15 is provided inside the end cover main body 1 at the position of the lock 3. A rotating shaft 13 is installed inside the transmission groove 15. A worm gear 14 is installed on the outer surface of the rotating shaft 13. A rotating shaft 9 is installed on the top of the end cover main body 1 at the position of the transmission groove 15. A worm 18 is installed on the front surface of the worm gear 14 at the end of the rotating shaft 9. The worm 18 meshes with the worm gear 14. The rotating shaft 13 is sleeved on the lock 3, and the rotating shaft 13 and the lock 3 are connected by screw thread engagement. By driving the lock 3 to move through the provided rotating shaft 13, a shaft through hole 8 is provided in the middle inside the end cover main body 1. A sealing ring 10 is installed on the inner surface of the shaft through hole 8. There are three locks 3 in total, and the three locks 3 are evenly distributed on the outer surface of the end cover main body 1. Anti-slip teeth 7 are provided at the ends of the three locks 3. By providing the anti-slip teeth 7, the end cover main body 1 is prevented from sliding.

[0025] As Figure 3 and Figure 5 shown, a sealing groove 17 is provided on the outer surface of the lock 3 inside the end cover main body 1. A seal 16 is installed inside the sealing groove 17. By providing the seal 16, the outer surface of the lock 3 is sealed to prevent liquid leakage. A gasket 2 is installed on the outer surface of the end cover main body 1 near the bottom.

[0026] The working principle of a self-locking dust end cover for an automotive shock absorber based on Embodiment 1 is as follows: After installing the present utility model, the end cover body 1 is clamped on the top of the automotive shock absorber, and then the rotating shaft 9 is rotated. The worm 18 is driven to rotate by the rotating shaft 9, the worm gear 14 is driven to rotate by the worm 18, the rotating shaft 13 is driven to rotate by the worm gear 14, the locking device 3 is driven to move laterally by the rotating shaft 13, and the end cover body 1 is clamped by the laterally moving locking device 3. After completion, the automotive shock absorber can be protected. Thus, the working process of this device is completed.

[0027] Embodiment Two

[0028] As Figure 3 And Figure 4 As shown, a self-locking dust end cover for an automotive shock absorber proposed by the present utility model, compared with Embodiment 1, this embodiment further includes: A pressure plate 4 is installed on the top of the end cover body 1 through a positioning screw 6. There is an inner hole 5 in the middle of the pressure plate 4, and there is a pressing groove 11 in the middle of the bottom of the pressure plate 4. A boss 12 is installed at the top inside the pressing groove 11. The sealing ring 10 is squeezed by the provided boss 12.

[0029] In this embodiment, after the end cover body 1 is fixed, the pressure plate 4 is placed on the top of the end cover body 1, and the pressure plate 4 is locked through the positioning screw 6, thereby fixing the pressure plate 4. The boss 12 is driven to move downward by the fixed pressure plate 4, the sealing ring 10 is squeezed by the boss 12, and the use shaft of the automotive shock absorber is sealed by the squeezed sealing ring 10.

[0030] The above specific embodiments are merely several preferred embodiments of the present utility model. Based on the technical solution of the present utility model and the relevant revelations of the above embodiments, those skilled in the art can make various alternative improvements and combinations to the above specific embodiments.

Claims

1. A self-locking dust end cover for an automobile shock absorber, comprising an end cover body (1) and a locking device (3), characterized in that: A locking device (3) is installed on the outer surface of the end cover body (1). A transmission groove (15) is provided inside the end cover body (1) at the position of the locking device (3). A rotating shaft (13) is installed inside the transmission groove (15). A worm gear (14) is installed on the outer surface of the rotating shaft (13). A rotating shaft (9) is installed on the top of the end cover body (1) at the position of the transmission groove (15). A worm (18) is installed on the front surface of the worm gear (14) at the end of the rotating shaft (9). The worm (18) meshes with the worm gear (14).

2. The self-locking dust end cover of an automotive shock absorber according to claim 1, wherein: The rotating shaft (13) is sleeved on the locking device (3), and the rotating shaft (13) and the locking device (3) are connected by screw thread.

3. A self-locking dust end cover for an automotive shock absorber according to claim 1, characterized in that: A shaft through hole (8) is provided in the middle inside the end cover body (1), and a sealing ring (10) is installed on the inner surface of the shaft through hole (8).

4. A self-locking dust end cover for an automobile shock absorber according to claim 1, characterized in that: A sealing gasket (2) is installed on the outer surface of the end cover body (1) near the bottom.

5. A self-locking dust end cover of an automotive shock absorber according to claim 1, characterized in that: A pressing plate (4) is installed on the top of the end cover body (1) by a positioning screw (6). An inner hole (5) is provided in the middle inside the pressing plate (4). A pressing groove (11) is provided in the middle at the bottom of the pressing plate (4), and a boss (12) is installed on the inner top of the pressing groove (11).

6. A self-locking dust end cover for an automobile shock absorber according to claim 5, characterized in that: There are three locking devices (3) in total, and the three locking devices (3) are evenly distributed on the outer surface of the end cover body (1). Anti-slip teeth (7) are provided at the ends of the three locking devices (3).

7. A self-locking dust end cover for an automobile shock absorber according to claim 1, characterized in that: A sealing groove (17) is provided inside the end cover body (1) on the outer surface of the locking device (3), and a seal (16) is installed inside the sealing groove (17).

Images