Energy-absorbing shock absorber suitable for road off-road vehicle

Abstract

The utility model relates to the technical field of shock absorbers, in particular to an energy-absorbing shock absorber suitable for a road off-road vehicle, which comprises an oil storage cylinder, an inner cylinder and a valve seat are arranged in an inner cavity of the oil storage cylinder, an oil conveying hole is arranged on the inner cylinder, a piston assembly is arranged in the inner cylinder, and the valve seat is arranged on the inner cylinder. Iron connectors are arranged on the two sides, away from each other, of the oil storage cylinder and the piston assembly, a sealing piece is arranged on one side of the oil storage cylinder, a spring lower seat is arranged on the oil storage cylinder, a spring is fixedly arranged on the spring lower seat, the acting stroke of the shock absorber can be prolonged, a double-cylinder structure is adopted, comfort can be effectively improved, the structure can effectively compensate indicator work, and the service life of the shock absorber is prolonged. And the energy transmitted from the ground to the frame is better absorbed.

Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of shock absorber, specifically, relate to an energy-absorbing shock absorber suitable for highway off-road vehicle. BACKGROUND

[0002] The shock absorber is a device for inhibiting the shock of spring shock rebound and the impact from the road surface, which is widely used in the field of automobile, etc. It reduces the vibration of the vehicle frame and body by consuming vibration energy, thereby improving the driving smoothness and comfort of the automobile. The shock absorber is usually used with the spring, in which the spring is responsible for energy storage and buffering, and the shock absorber converts the vibration energy into heat energy through damping effect, absorbs and dissipates to the outside air, so as to reduce the bump feeling caused by uneven road surface and improve the driving stability and safety.

[0003] For example, a dustproof shock absorber with application number CN202321757468.6 includes a shock absorber body, a mounting part, a piston rod, a mounting ring a, a dust cover, and a piston block. The shock absorber body is provided with an oil tank, the lower end of the piston rod is connected to the piston block, the piston block is slidingly connected to the inner wall of the oil tank, the piston block and the piston rod are coaxially distributed with the shock absorber body, the outer peripheral surface of the piston block is tightly pressed against the inner wall of the oil tank, and the shock absorber body is provided with a storage tank in communication with the oil tank. The mounting part is connected to the upper end of the shock absorber body, the piston rod is slidingly connected to the mounting part, and the mounting part is coaxially distributed with the shock absorber body. The mounting ring a is connected to the end of the piston rod away from the shock absorber body, and the two ends of the dust cover are connected to the mounting part and the mounting ring a. In the utility model, the dust cover is made of elastic material, so that no additional resistance is generated during the sliding process of the piston rod. The dust cover can be replaced after long-term use, and the operation is simple, practical, and convenient.

[0004] However, in the above technical solution, with the rapid development of modern automobile industry, people's requirements for the comfort, stability and safety of automobile driving are becoming higher and higher. As a key component of the automobile suspension system, the performance of the shock absorber directly affects the driving quality of the automobile. The shock absorber of the present stage can absorb the energy transmitted to the vehicle frame from the ground to a certain extent, but due to the structural limitation, the comfort, stability and energy absorption still need to be improved. UTILITY MODEL CONTENTS

[0005] The main purpose of the utility model is to provide an energy-absorbing shock absorber suitable for highway off-road vehicle, which can effectively solve the problem that with the rapid development of modern automobile industry, people's requirements for the comfort, stability and safety of automobile driving are becoming higher and higher. As a key component of the automobile suspension system, the performance of the shock absorber directly affects the driving quality of the automobile. The shock absorber of the present stage can absorb the energy transmitted to the vehicle frame from the ground to a certain extent, but due to the structural limitation, the comfort, stability and energy absorption still need to be improved.

[0006] To achieve the above object, the utility model takes the technical scheme for an energy-absorbing shock absorber suitable for highway off-road vehicle, including oil storage cylinder, the inner cavity of oil storage cylinder is provided with inner tube and valve seat, be provided with oil hole on the inner tube, be provided with piston assembly in the inner tube, the both sides of oil storage cylinder and piston assembly are away from each other and are provided with iron joint, one side of oil storage cylinder is provided with sealing piece, be provided with spring lower seat on the oil storage cylinder, be fixedly provided with spring on the spring lower seat.

[0007] As preferred, the piston assembly includes a component base, a spring upper seat is threadedly provided on the component base, a rotating ring is rotatably provided on the spring upper seat, a piston rod is provided on one side of the component base, a piston is provided on the piston rod, a compression small spring is fixedly provided on the side of the piston close to the component base, and a guide seat is provided on the side of the compression small spring away from the piston.

[0008] As preferred, a rubber sleeve is provided on the side of the guide seat away from the compression small spring, and a buffer pad is provided between the rubber sleeve and the component base.

[0009] As preferred, the piston rod slidably penetrates the sealing piece, the guide seat, the rubber sleeve and the buffer pad.

[0010] As preferred, the side of the compression small spring away from the piston is fixedly connected with the guide seat.

[0011] As preferred, the side of the spring away from the spring lower seat is fixedly connected with the rotating ring.

[0012] Compared with the prior art, the utility model has the following beneficial effects:

[0013] (1) The utility model makes the component base move through the iron joint on the piston assembly when energy absorption and shock absorption are needed, the piston moves through the piston rod driven by the component base, the movement stroke of the piston is slowed down to a certain extent through the compression small spring, shock absorption is assisted, and the buffer pad is used to prevent collision and buffer when the component base moves greatly, the piston extrudes the oil in the inner tube, the oil in the inner tube moves to the oil storage cylinder through the oil hole and the valve seat, and damping force is generated, so that vibration energy is consumed, and the oil in the inner tube can flow out due to the existence of the oil storage cylinder, which helps to prolong the working stroke of the shock absorber, the double-cylinder structure can effectively improve comfort, and the structure can effectively compensate the indicator and better absorb the energy transmitted to the vehicle frame from the ground. BRIEF DESCRIPTION OF DRAWINGS

[0014] Figure 1 It is a structural schematic view of the utility model of an energy-absorbing shock absorber suitable for highway off-road vehicle.

[0015] Figure 2This is a schematic diagram of the internal structure of an energy-absorbing shock absorber adapted to off-road vehicles according to the present invention.

[0016] Figure 3 This is a schematic diagram of the piston assembly in an energy-absorbing shock absorber adapted to off-road vehicles according to this utility model.

[0017] In the diagram: 1. Oil reservoir; 2. Iron connector; 3. Inner cylinder; 4. Oil inlet; 5. Piston assembly; 501. Assembly base; 502. Upper spring seat; 503. Piston rod; 504. Piston; 505. Compression spring; 506. Guide seat; 507. Rubber sleeve; 508. Buffer pad; 509. Rotating ring; 6. Sealing plate; 7. Lower spring seat; 8. Spring; 9. Valve seat. Detailed Implementation

[0018] The technical solutions of this utility model will be clearly and completely described below with reference to the embodiments of this utility model. Obviously, the described embodiments are only some embodiments of this utility model, and not all embodiments. Based on the embodiments of this utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of this utility model.

[0019] like Figure 1 and Figure 2 As shown, an energy-absorbing shock absorber adapted to off-road vehicles includes an oil reservoir 1. The inner cavity of the oil reservoir 1 is provided with an inner cylinder 3 and a valve seat 9. The inner cylinder 3 is provided with an oil inlet 4. A piston assembly 5 is provided inside the inner cylinder 3. Iron joints 2 are provided on both sides of the oil reservoir 1 and the piston assembly 5 that are far apart from each other. A sealing plate 6 is provided on one side of the oil reservoir 1. A lower spring seat 7 is provided on the oil reservoir 1. A spring 8 is fixedly provided on the lower spring seat 7.

[0020] like Figure 3 As shown, in another embodiment of the present invention, the piston assembly 5 includes an assembly base 501, a spring seat 502 is threaded on the assembly base 501, a rotating ring 509 is rotatably disposed on the spring seat 502, a piston rod 503 is disposed on one side of the assembly base 501, a piston 504 is disposed on the piston rod 503, a compression spring 505 is fixedly disposed on the side of the piston 504 near the assembly base 501, and a guide seat 506 is disposed on the side of the compression spring 505 away from the piston 504.

[0021] A rubber sleeve 507 is provided on the side of the guide seat 506 away from the compression spring 505, and a buffer pad 508 is provided between the rubber sleeve 507 and the component base 501.

[0022] When energy absorption and shock absorption are needed, first move the assembly base 501 through the iron joint 2 on the piston assembly 5, the assembly base 501 drives the piston 504 to move through the piston rod 503, first slow down the moving stroke of the piston 504 to a certain extent through the compression spring 505, assist in shock absorption, and use the buffer pad 508 to prevent collision and buffer when the assembly base 501 moves greatly, then when the deformation force of the spring 8 needs to be adjusted according to the situation, first rotate the spring upper seat 502 threaded with the assembly base 501 to adjust the position of the spring upper seat 502, thereby adjusting the deformation force of the spring 8, and conveniently adapting to different loads.

[0023] The working principle of the energy-absorbing shock absorber suitable for highway off-road vehicles is as follows:

[0024] In use, first install the shock absorber to the designated position through the two iron joints 2, then when energy absorption and shock absorption are needed, move the assembly base 501 through the iron joint 2 on the piston assembly 5, the assembly base 501 drives the piston 504 to move through the piston rod 503, first slow down the moving stroke of the piston 504 to a certain extent through the compression spring 505, assist in shock absorption, and use the buffer pad 508 to prevent collision and buffer when the assembly base 501 moves greatly, the piston 504 extrudes the oil in the inner cylinder 3, the oil in the inner cylinder 3 moves to the oil storage cylinder 1 through the oil delivery hole 4 and the valve seat 9, generates damping force, thereby consuming vibration energy, at the same time the existence of the oil storage cylinder 1 can make the oil in the inner cylinder 3 flow out, this design helps to prolong the working stroke of the shock absorber, the double-cylinder structure can effectively improve the comfort, and the structure can effectively compensate the indicator work, better absorb the energy transmitted to the frame from the ground.

[0025] Obviously, the above embodiments of the utility model are only examples for clearly illustrating the utility model, and are not limitations on the embodiments of the utility model, for ordinary skilled in the art, on the basis of the above description, other different forms of changes or changes can be made, here cannot enumerate all the embodiments, any changes or changes derived from the technical solutions of the utility model still fall within the protection scope of the utility model.

Claims

1. An energy-absorbing shock absorber adapted to an off-road vehicle, comprising an oil reservoir cylinder (1), characterized in that: The inner cavity of the oil storage cylinder (1) is provided with an inner cylinder (3) and a valve seat (9), the inner cylinder (3) is provided with an oil delivery hole (4), the inner cylinder (3) is provided with a piston assembly (5), the oil storage cylinder (1) and the piston assembly (5) are provided with iron joints (2) away from each other, one side of the oil storage cylinder (1) is provided with a sealing piece (6), the oil storage cylinder (1) is provided with a spring lower seat (7), and the spring lower seat (7) is fixedly provided with a spring (8).

2. An energy absorbing shock absorber adapted for use on an off-road vehicle as defined in claim 1, wherein: The piston assembly (5) comprises an assembly base (501), the assembly base (501) is provided with a spring upper seat (502) in a threaded manner, the spring upper seat (502) is provided with a rotating ring (509) in a rotating manner, one side of the assembly base (501) is provided with a piston rod (503), the piston rod (503) is provided with a piston (504), the piston (504) is fixedly provided with a compression small spring (505) on the side close to the assembly base (501), and the compression small spring (505) is provided with a guide seat (506) on the side away from the piston (504).

3. An energy absorbing shock absorber adapted for use on an off-road vehicle as defined in claim 2, wherein: The guide seat (506) is provided with a rubber sleeve (507) on the side away from the compression small spring (505), and a buffer pad (508) is arranged between the rubber sleeve (507) and the assembly base (501).

4. An energy absorbing shock absorber for an on- and off-road vehicle as defined in claim 3, wherein: The piston rod (503) slides through the sealing piece (6), the guide seat (506), the rubber sleeve (507) and the buffer pad (508).

5. An energy absorbing shock absorber for an on / off road vehicle as defined in claim 4, wherein: The side, away from the piston (504), of the compression small spring (505) is fixedly connected with the guide seat (506).

6. An energy absorbing shock absorber adapted for use on an off-road vehicle as defined in claim 5, wherein: The side, away from the spring lower seat (7), of the spring (8) is fixedly connected with the rotating ring (509).

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