Intelligent gas spring

A gas spring, intelligent technology, applied in the direction of spring, spring/shock absorber, gas shock absorber, etc., can solve problems such as gas leakage, reduce wind resistance, improve ride comfort and control stability, improve sensitivity and precision The effect of reliability and reliability

Inactive Publication Date: 2006-11-08
SICHUAN LIDI VEHICLE CHASSIS TECH CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, this "air spring shock absorber with automatic variable stiffness and variable damping" has a technical problem of "causing gas leakage due to frequent reciprocating movement of the piston to adjust the variable stiffness and damping" in actual use, which is still difficult to completely solve.

Method used

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  • Intelligent gas spring

Examples

Experimental program
Comparison scheme
Effect test

Embodiment Construction

[0011] The intelligent gas spring proposed by the present invention is implemented in this way: it is fixedly installed with the housing 5 of the upper end cover 9 and the lower end cover 2; 5, the inner cylinder body 15, inner cylinder head 8 and piston 3 fixedly installed in the housing 5 are divided into the main air chamber 6 and the auxiliary air chamber 16, and the auxiliary through hole 17 is made on the inner cylinder body 15 wall, and the inner cylinder The opening and closing air passage 12 connecting the main air chamber 6 and the auxiliary air chamber 16 is made in the wall of the cover 8, and the stroke valve 13 for controlling opening or blocking the opening and closing air passage 12 is fixedly installed on the inner cylinder head 8. There is a damping cylinder 4 that is compatible with the stroke valve 13, oil is filled in the damping cylinder 4 and the auxiliary air chamber 16, and the lower end of the piston rod 1 of the piston 3 is equipped with a coupling 19...

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PUM

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Abstract

The intelligent gas spring includes a casing, an inner cylinder with cylinder cap and piston to separate the space inside the casing into main gas chamber and subsidiary gas chamber communicated through an on-off gas channel, and a stroke valve installed on the inner cylinder cap to suit with the damping cylinder on the piston. The gas channel may be opened or closed accurately and timely based on the varying road condition so as to regulate the rigidity of the gas spring intelligently to suit for different road condition. The present invention has excellent shock absorbing performance to make the automobile possess high riding comfort and excellent operation stability, and may be installed widely in various kinds of automobile.

Description

Technical field: [0001] The invention relates to a suspension device of a motor vehicle, which belongs to the technical field of motor vehicle engineering, in particular to an intelligent gas spring, which is especially suitable for being installed and used on a motor vehicle. Background technique: [0002] With the rapid development of my country's national economy and the continuous improvement of people's living standards, the rapid development of the automobile industry has been effectively promoted. At present, cars and minibuses, which used to be high-end luxury goods, have gradually become the means of transportation for people's daily life. People pursue the comfort of riding more when traveling by car. When the vehicle is running, the wheels will fluctuate with the road surface and impact the frame from time to time. This impact energy is mainly absorbed by the elastic components in the suspension system of the vehicle, while the vibration of the frame is attenuated ...

Claims

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Application Information

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IPC IPC(8): F16F9/34F16F9/02
Inventor 杨德君
Owner SICHUAN LIDI VEHICLE CHASSIS TECH CO LTD
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