A generalized shock absorber valve seat and shock absorber

A shock absorber, a generalized technology, applied in the direction of shock absorber, shock absorber, spring/shock absorber, etc., can solve the problem of many types of shock absorber valve seats, inconvenient production consistency control, shock absorber valve seat Problems such as small damping adjustment range can achieve the effect of reducing production management costs, realizing generalization, and increasing the damping adjustment range

CN113757294BActive Publication Date: 2022-06-24ANHUI JIANGHUAI AUTOMOBILE GRP CORP LTD
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Patents(China)
Current Assignee / Owner
Publication Date
2022-06-24

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Abstract

The invention relates to a generalized shock absorber valve seat and a shock absorber. The main body of the shock absorber valve seat is a hollow cylindrical structure with a closed upper end. There are three concentric ring-shaped protrusions on the outside of the piston rod perforation, which are the first ring protrusion, the second ring protrusion and the third ring protrusion from the inside to the outside; There are evenly distributed through holes through the upper end surface between the protrusion and the second ring protrusion, and the through hole forms a throttling hole outside the first ring protrusion and the second ring protrusion; the first ring protrusion The height is the same as that of the third ring protrusion and is higher than the height of the second ring protrusion. The shock absorber valve seat technology of this technical solution realizes generalization and increases the damping adjustment range. Even if the damping force of different models or models with different configurations is different, the shock absorber valve seat can be completely the same, reducing production management and other costs.
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Description

technical field

[0001] The invention belongs to the technical field of shock absorbers, and in particular relates to a universal shock absorber valve seat and a shock absorber. Background technique

[0002] The damping characteristic of the shock absorber is one of the important characteristics of the shock absorber, which directly affects the handling, comfort, NVH and safety of the car. Different cars require different damping characteristics, and even the same vehicle's powertrain configuration has different damping characteristics. Therefore, the adjustability and differentiated damping characteristics of the shock absorber are required to be high. There are not many types of damping adjustment structures for shock absorber valve trains, but the differences are large. In terms of damping adjustment methods, there are mainly: one is to rely on the variable stiffness limit spring to change the hydraulic flow and flow speed to achieve hydraulic flow control, and the flow ...

Examples

Embodiment Construction

[0026] The technical solutions of the present invention will be described in detail by the following examples. The following examples are only exemplary, and can only be used to explain and illustrate the technical solutions of the present invention, but cannot be construed as limitations on the technical solutions of the present invention.

[0027] The damping characteristics of the shock absorber are figure 1 where a is the first inflection point, b is the second inflection point, c is the damping characteristic of the low-speed section, d is the damping characteristic of the medium-speed section, and e is the damping characteristic of the high-speed section.

[0028] The damping adjustment structure of the hydraulic shock absorber in the prior art is as follows: figure 2 shown, the valve seat structure is as image 3 As shown, it includes piston rod 1, working cylinder 2, valve seat 3 and bushing 31 on the valve seat, upper limit block 4, upper gasket 5, upper ring dampin...