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Dashpot

A technology of buffer and dust cover, applied in shock absorbers, shock absorbers, liquid shock absorbers, etc., can solve problems such as deterioration of dust seals and oil seals

Inactive Publication Date: 2015-09-02
KYB CORP
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, if mud and the like are dry and firmly adhered to the piston rod and cannot be scraped off smoothly by the dust seal, the oil seal provided inside the dust seal may deteriorate.

Method used

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Experimental program
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Embodiment Construction

[0020] Hereinafter, embodiments of the present invention will be described with reference to the drawings.

[0021] The same reference numerals are used in several drawings to designate the same components.

[0022] like figure 1 As shown, the buffer includes: a buffer body D, which has a cylindrical shell 1 and a piston rod 2 that freely enters and exits the shell 1, and is used to generate a damping force that inhibits the relative movement of the piston rod 2 relative to the shell 1 in the axial direction. The dust cover 3, which is cylindrical, is connected with the piston rod 2, and allows the casing 1 to enter the inside of the dust cover 3; the extension cover 4, which is formed into a belt, is wound around the outer periphery of the dust cover 3, And extending from the dust cover 3 to the case side, the inner side of the extension cover 4 is penetrated by the case 1 ;

[0023] The damper body D includes, for example, an inner tube (not shown) accommodated in the casi...

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PUM

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Abstract

This dashpot is provided with a main body (D), a cylindrical dust cover (3), an extended cover (4), and an affixing member (5). The main body (D), which has a cylindrical outer shell (1) and a piston rod (2) that can move in and out inside the outer shell (1), generates a damping force that inhibits the axial motion of the piston rod (2) relative to the outer shell (1). The dust cover (3) is attached to the piston rod (2) and allows the outer shell (1) to enter inside the dust cover (3). The extended cover (4), which takes the form of a band wrapped around the dust cover (3), extends from the dust cover (3) in the direction of the outer shell (1), and the outer shell (1) is inserted into the extended cover (4). The affixing member (5) keeps the extended cover (4) wrapped around the dust cover (3).

Description

technical field [0001] The present invention relates to a buffer. Background technique [0002] The shock absorber includes a housing and a piston rod inserted into the housing in a freely accessible manner. The damper exerts a damping force for suppressing relative movement of the piston rod relative to the housing when the piston rod moves relative to the housing in the axial direction. The shock absorber is mounted, for example, between the vehicle body and the axle, or between the cab and the vehicle body, and can suppress vibration of vibration damping objects such as the vehicle body and the cab by exerting a damping force. [0003] Since the shock absorber is used exposed to the outside, dirt, dust, and mud (hereinafter referred to as "mud and the like") tend to adhere to the piston rod. When the piston rod enters the housing, mud and the like adhering to the outer circumference of the piston rod are scraped off by the dustproof seal that seals the outer circumferen...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): F16F9/38
CPCF16F9/38F16F2226/04F16F9/18
Inventor 武尾觉
Owner KYB CORP
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