Damping device with two-rider for lubricating for automobile

Abstract

The utility model relates to a two-guided and lubricated automobile shock absorber capable of reducing wear and enhancing vibration damping effect. The technical solution is: including an oil storage cylinder, a working oil cylinder is arranged inside the oil storage cylinder, the bottom of the oil storage cylinder and the bottom of the working oil cylinder are connected through a bottom valve, a piston device is arranged in the working oil cylinder, and a first guide is set on the upper part of the working oil cylinder. There is a second guide sleeve on the top of the first guide sleeve, the upper and lower end faces of the two guide sleeves are connected, the two guide sleeves are sleeved on the piston rod through the guide bearing, and an oil seal is arranged on the top of the second guide sleeve. The feature is that conduits are respectively arranged on the connecting rod shafts at both ends of the piston, and shut-off spring brackets are arranged on the two end faces of the conduits connected to the piston, and shut-off springs are arranged oppositely on the shut-off spring brackets, and on the top of the first guide sleeve An oil storage tank is provided, an oil return hole of the first guide sleeve is provided on the first guide sleeve through the upper and lower surfaces of the first guide sleeve, a ring groove is provided on the top of the second guide sleeve, and a second guide sleeve is provided on the inner wall of the ring groove. The oil return hole of the guide sleeve, the oil return hole of the first guide sleeve communicates with the oil return hole of the second guide sleeve, and the lower end of the oil return hole of the first guide sleeve communicates with the oil storage cylinder.

Description

technical field [0001] The invention belongs to the field of automobile shock absorbers, in particular to a two-guided and lubricated automobile shock absorber. Background technique [0002] At present, automobile shock absorbers have a variety of structures, most of which are welded structures. The problem is that they can only be used once, and they are prone to wear and leakage. In order to solve these problems, a kind of automobile shock absorber is introduced in the patent No. 99122594.5, and this shock absorber can solve the above-mentioned problems, and has better use value. But the lubrication performance of the second guide sleeve of the shock absorber of this patent is not good. The first guide sleeve is provided with a passage that runs through the oil storage tank and the lower surface. The first guide sleeve has less oil storage, so the lateral friction of the piston rod is large. There is a problem that parts wear out quickly. Contents of the invention [0...

AI Technical Summary

Problems solved by technology

[0002] At present, automobile shock absorbers have various structures, most of which are welded structures. The problem is that they can only be used once, and are prone to wear and leakage.

But the lubrication performance of the second guide sleeve of the shock absorber of this patent is not good. The first guide sleeve is provided with a passage that runs through the oil storage tank and the lower surface. The first guide sleeve has less oil storage, so the lateral friction of the piston rod is large. There is a problem of rapid wear of parts

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