An automobile shock absorber capable of automatically adapting to different road conditions

Abstract

The utility model belongs to the technical field of automobile shock absorber, concretely relates to an automobile shock absorber of automatic adaptation to different road conditions, including piston, the upper end of piston is connected with piston rod with the sliding, the lower end fixedly connected with base of piston, the upper end fixedly connected with lower end cover of piston, the upper end fixedly connected with upper end cover of piston rod, the inside of piston rod is slid through lower end cover, the lower end fixedly connected with lower connecting shaft of base, the upper end fixedly connected with upper connecting shaft of upper end cover, through the inside corrugated cylinder and the outside corrugated cylinder respectively to the second spring are wrapped, thereby avoid the silt spatter and move to the first spring surface, avoid the first spring is covered by silt and influences normal telescopic work, and through the second spring is connected in the connecting place of inside corrugated cylinder and outside corrugated cylinder, has increased the elastic function of inside corrugated cylinder and outside corrugated cylinder, has increased the automatic telescopic effect of inside corrugated cylinder and outside corrugated cylinder, and the first spring work is convenient.

Description

Technical Field

[0001] This utility model relates to the field of automotive shock absorber technology, specifically an automotive shock absorber that can automatically adapt to different road conditions. Background Technology

[0002] The term "shock absorber" is a common term in the automotive chassis industry. An automotive shock absorber is actually a vibration damper. Shock absorbers are used not only in the suspension of automobiles but also in other locations. For example, they are used in the driver's cab, seats, steering wheel, and can also be used as a buffer in vehicle bumpers.

[0003] According to patent publication number CN114857201A, a car shock absorber capable of automatically adapting to different road conditions includes a lower control arm, a connector, and a main shock absorber rod. The lower control arm has an internal groove. An eccentric block is installed at the bottom end of the lower control arm adjacent to the main shock absorber rod, and the main shock absorber rod is installed at the top end of the lower control arm adjacent to the eccentric block. A shock-absorbing spring is installed inside the internal groove via an assembly mechanism. A folding fitting is installed between the top end of the shock-absorbing spring and the bottom end of the connector. A slide cylinder is installed at the bottom end of the connector inside the folding fitting. An adjuster is movably installed below the slide cylinder via a limiting mechanism. An inner shock absorber rod is installed at the bottom end of the adjuster, and the bottom end of the inner shock absorber rod is fixedly connected to the lower control arm. This invention, through a series of structures, enables the car shock absorber to automatically adapt to different road conditions, providing a three-level shock absorption effect for different road conditions, avoiding fatigue damage caused by a single shock absorber component, and extending its service life.

[0004] However, most existing automotive shock absorbers expose the springs, which can easily splash onto the spring surface when driving on muddy roads, clogging the springs and affecting their normal operation. This makes it difficult for the shock absorber to work properly. In addition, the upper and lower rings of the shock absorber are equipped with bearings that are exposed, making them prone to clogging with sand and gravel particles, thus affecting their performance. Utility Model Content

[0005] The purpose of this invention is to provide a car shock absorber that can automatically adapt to different road conditions, thus solving the problem of protecting the springs and bearings in the car shock absorber.

[0006] To achieve the above objectives, this utility model provides the following technical solution: a car shock absorber that can automatically adapt to different road conditions, comprising a piston, a piston rod slidably connected to the upper end of the piston, a base fixedly connected to the lower end of the piston, a lower end cover fixedly connected to the upper end of the piston, an upper end cover fixedly connected to the upper end of the piston rod, the piston rod slidingly passing through the interior of the lower end cover, a lower connecting shaft fixedly connected to the lower end of the base, an upper connecting shaft fixedly connected to the upper end of the upper end cover, a protective mechanism provided at the upper end of the lower end cover, a hanging ring mechanism respectively provided on the lower connecting shaft and the upper connecting shaft, a first spring slidably sleeved on the piston rod, the upper end of the first spring fixedly connected to the lower end of the upper end cover, and the lower end of the first spring fixedly connected to the upper end of the lower end cover.

[0007] Preferably, the protective mechanism includes an inner corrugated cylinder, the piston rod is slidably sleeved with the inner corrugated cylinder, a second spring is slidably sleeved on the outer side of the inner corrugated cylinder, and an outer corrugated cylinder is slidably sleeved on the outer side of the inner corrugated cylinder.

[0008] Preferably, the second spring is disposed inside the outer corrugated cylinder, and the lower ends of the inner corrugated cylinder and the outer corrugated cylinder are respectively fixedly connected with lower connecting rings, and the upper ends of the inner corrugated cylinder and the outer corrugated cylinder are respectively fixedly connected with upper connecting rings.

[0009] Preferably, the upper end of the second spring is fixedly connected to the lower end of the upper connecting ring, the lower end of the second spring is fixedly connected to the upper end of the lower connecting ring, the upper connecting ring is fixedly connected to the lower end of the upper cover, and the lower connecting ring is fixedly connected to the upper end of the lower cover.

[0010] Preferably, the lifting ring mechanism includes a lifting ring, with the lower end of the lower connecting shaft and the upper end of the upper connecting shaft respectively fixedly connected to the lifting ring, a bearing fixedly engaged inside the lifting ring, and multiple limiting grooves respectively opened on the front and rear sides of the lifting ring, with limiting blocks slidably connected inside the limiting grooves.

[0011] Preferably, a front retaining ring and a rear retaining ring are fixedly connected to one end of the limiting block, the front retaining ring and the rear retaining ring are the same size, and a sealing ring is slidably sleeved on the limiting block.

[0012] Preferably, the front retaining ring is pressed and sealed tightly against the front side of the lifting ring and the bearing, and the rear retaining ring is pressed and sealed tightly against the rear side of the lifting ring and the bearing. The front retaining ring and the rear retaining ring are respectively fixedly connected to the front and rear sides of the lifting ring by multiple bolts.

[0013] Compared with the prior art, the beneficial effects of this utility model are as follows:

[0014] 1. This utility model uses an inner corrugated cylinder and an outer corrugated cylinder to wrap the second spring, thereby preventing mud from splashing onto the surface of the first spring and preventing the first spring from being covered by mud and affecting its normal expansion and contraction. Moreover, the second spring is connected to the connection between the inner and outer corrugated cylinders, which increases the elasticity of the inner and outer corrugated cylinders, enhances the automatic expansion and contraction effect of the inner and outer corrugated cylinders, and facilitates the operation of the first spring.

[0015] 2. This utility model uses a front retaining ring to compress the sealing ring and a rear retaining ring to compress the sealing ring, so that the sealing rings are tightly attached to the front and rear sides of the sealing ring and the bearing respectively, preventing sand and gravel particles and impurities from moving into the bearing and the connection between the ring and the bearing, thus affecting the bearing's operation. Attached Figure Description

[0016] Figure 1 This is a perspective view of the overall structure of this utility model;

[0017] Figure 2 This utility model has a partial three-dimensional structure. Figure 1 ;

[0018] Figure 3 This utility model has a partial three-dimensional structure. Figure 2 ;

[0019] Figure 4 This is a partial sectional view of the overall structure of this utility model;

[0020] Figure 5 This is a partial structural cross-sectional view of the present invention.

[0021] In the diagram: 1 Piston, 2 Piston Rod, 3 Base, 4 Lower End Cover, 5 Upper End Cover, 6 Lower Connecting Shaft, 7 Upper Connecting Shaft, 8 Protective Mechanism, 9 Lifting Ring Mechanism, 10 First Spring, 81 Inner Corrugated Cylinder, 82 Second Spring, 83 Outer Corrugated Cylinder, 84 Lower Connecting Ring, 85 Upper Connecting Ring, 91 Lifting Ring, 92 Bearing, 93 Limiting Groove, 94 Limiting Block, 95 Front Retaining Ring, 96 Rear Retaining Ring, 97 Sealing Ring. Detailed Implementation

[0022] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.

[0023] Please see Figure 1 , Figure 2 , Figure 4A car shock absorber that can automatically adapt to different road conditions includes a piston 1. A piston rod 2 is slidably connected to the upper end of the piston 1. The piston 1 and piston rod 2 are existing technologies and will not be described in detail here. A base 3 is fixedly connected to the lower end of the piston 1. A lower end cover 4 is fixedly connected to the upper end of the piston 1. An upper end cover 5 is fixedly connected to the upper end of the piston rod 2. The piston rod 2 slides through the interior of the lower end cover 4. A lower connecting shaft 6 is fixedly connected to the lower end of the base 3. An upper connecting shaft 7 is fixedly connected to the upper end of the upper end cover 5. A protective mechanism 8 is provided at the upper end of the lower end cover 4. A hanging ring mechanism 9 is provided on the lower connecting shaft 6 and the upper connecting shaft 7 respectively. A first spring 10 is slidably sleeved on the piston rod 2. The upper end of the first spring 10 is fixedly connected to the lower end of the upper end cover 5, and the lower end of the first spring 10 is fixedly connected to the upper end of the lower end cover 4.

[0024] Please see Figure 1 , Figure 3 , Figure 4 The protective mechanism 8 includes an inner corrugated cylinder 81, a piston rod 2 slidably sleeved with the inner corrugated cylinder 81, a second spring 82 slidably sleeved on the outer side of the inner corrugated cylinder 81, and an outer corrugated cylinder 83 slidably sleeved on the outer side of the inner corrugated cylinder 81. The lower connecting ring 84 and the upper connecting ring 85 facilitate the installation of the inner corrugated cylinder 81, the second spring 82, and the outer corrugated cylinder 83. The second spring 82 is located inside the outer corrugated cylinder 83. The lower ends of the inner corrugated cylinder 81 and the outer corrugated cylinder 83 are respectively fixedly connected with the lower connecting ring 84, and the upper ends of the inner corrugated cylinder 81 and the outer corrugated cylinder 83 are respectively fixedly connected with the upper connecting ring 85. The upper end of the second spring 82 is fixedly connected to the lower end of the upper connecting ring 85, and the lower end of the second spring 82 is fixedly connected to the upper end of the lower connecting ring 84. The upper connecting ring 85 is fixedly connected to the lower end of the upper end cover 5, and the lower connecting ring 84 is fixedly connected to the upper end of the lower end cover 4.

[0025] Please see Figure 1 , Figure 2 , Figure 4 , Figure 5 The lifting ring mechanism 9 includes a lifting ring 91. The lower end of the lower connecting shaft 6 and the upper end of the upper connecting shaft 7 are respectively fixedly connected to the lifting ring 91. A bearing 92 is fixedly engaged inside the lifting ring 91. Multiple limiting grooves 93 are respectively opened on the front and rear sides of the lifting ring 91. Limiting blocks 94 are slidably connected inside the limiting grooves 93. Through the slidable connection between the limiting grooves 93 and the limiting blocks 94, the sealing ring 97 is limited, thereby increasing the stability of the sealing ring 97 in the limiting connection between the front retaining ring 95 and the rear retaining ring 96. One end of the limiting block 94 is fixedly connected to a front retaining ring 95 and a rear retaining ring 96. The front retaining ring 95 and the rear retaining ring 96 are the same size. The limiting block 94 is slidably fitted with a sealing ring 97. The front retaining ring 95 squeezes the sealing ring 97 and tightly seals the front side of the lifting ring 91 and the bearing 92. The rear retaining ring 96 squeezes the sealing ring 97 and tightly seals the rear side of the lifting ring 91 and the bearing 92. The front retaining ring 95 and the rear retaining ring 96 are fixedly connected to the front and rear sides of the lifting ring 91 by multiple bolts.

[0026] The specific implementation process of this utility model is as follows: In use, the second spring 82 is set at the connection between the inner corrugated cylinder 81 and the outer corrugated cylinder 83, which increases the elasticity of the inner corrugated cylinder 81 and the outer corrugated cylinder 83. When the first spring 10 extends and retracts, it will drive the inner corrugated cylinder 81 and the outer corrugated cylinder 83 to extend and retract automatically. At the same time, the second spring 82 extends and retracts automatically. The front retaining ring 95 squeezes the sealing ring 97 to seal the front side of the lifting ring 91 and the bearing 92, and the rear retaining ring 96 squeezes the sealing ring 97 to seal the rear side of the lifting ring 91 and the bearing 92, thereby sealing and protecting the bearing 92 respectively.

[0027] Although embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made to these embodiments without departing from the principles and spirit of the present invention, the scope of which is defined by the appended claims and their equivalents.

Claims

1. A car shock absorber that can automatically adapt to different road conditions, comprising a piston (1), characterized in that: The piston (1) is slidably connected to the upper end of the piston rod (2), the piston (1) is fixedly connected to the lower end of the base (3), the piston (1) is fixedly connected to the upper end of the lower end cover (4), the piston rod (2) is fixedly connected to the upper end cover (5), the piston rod (2) slides through the interior of the lower end cover (4), the lower end of the base (3) is fixedly connected to the lower end shaft (6), the upper end of the upper end cover (5) is fixedly connected to the upper end shaft (7), the lower end cover (4) is provided with a protective mechanism (8), the lower end shaft (6) and the upper end shaft (7) are respectively provided with a lifting ring mechanism (9), the piston rod (2) is slidably sleeved with a first spring (10), the upper end of the first spring (10) is fixedly connected to the lower end of the upper end cover (5), and the lower end of the first spring (10) is fixedly connected to the upper end of the lower end cover (4).

2. The automotive shock absorber that can automatically adapt to different road conditions according to claim 1, characterized in that: The protective mechanism (8) includes an inner corrugated cylinder (81), the piston rod (2) is slidably sleeved with the inner corrugated cylinder (81), a second spring (82) is slidably sleeved on the outer side of the inner corrugated cylinder (81), and an outer corrugated cylinder (83) is slidably sleeved on the outer side of the inner corrugated cylinder (81).

3. A car shock absorber that can automatically adapt to different road conditions according to claim 2, characterized in that: The second spring (82) is disposed inside the outer corrugated cylinder (83). The lower ends of the inner corrugated cylinder (81) and the outer corrugated cylinder (83) are respectively fixedly connected with a lower connecting ring (84), and the upper ends of the inner corrugated cylinder (81) and the outer corrugated cylinder (83) are respectively fixedly connected with an upper connecting ring (85).

4. A car shock absorber that can automatically adapt to different road conditions according to claim 3, characterized in that: The upper end of the second spring (82) is fixedly connected to the lower end of the upper connecting ring (85), the lower end of the second spring (82) is fixedly connected to the upper end of the lower connecting ring (84), the upper connecting ring (85) is fixedly connected to the lower end of the upper end cover (5), and the lower connecting ring (84) is fixedly connected to the upper end of the lower end cover (4).

5. A car shock absorber that can automatically adapt to different road conditions according to claim 1, characterized in that: The lifting ring mechanism (9) includes a lifting ring (91). The lower end of the lower connecting shaft (6) and the upper end of the upper connecting shaft (7) are respectively fixedly connected to the lifting ring (91). The lifting ring (91) is fixedly clamped with a bearing (92). Multiple limiting grooves (93) are opened on the front and rear sides of the lifting ring (91). Limiting blocks (94) are slidably connected inside the limiting grooves (93).

6. A car shock absorber that can automatically adapt to different road conditions according to claim 5, characterized in that: One end of the limiting block (94) is fixedly connected to a front retaining ring (95) and a rear retaining ring (96). The front retaining ring (95) and the rear retaining ring (96) are the same size. The limiting block (94) is slidably fitted with a sealing ring (97).

7. A car shock absorber that can automatically adapt to different road conditions according to claim 6, characterized in that: The front retaining ring (95) squeezes the sealing ring (97) and seals it tightly against the front side of the lifting ring (91) and the bearing (92). The rear retaining ring (96) squeezes the sealing ring (97) and seals it tightly against the rear side of the lifting ring (91) and the bearing (92). The front retaining ring (95) and the rear retaining ring (96) are respectively fixedly connected to the front and rear sides of the lifting ring (91) by multiple bolts.

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