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dust jacket

A sheath and dust-proof technology, which is applied in the direction of air handling devices, vehicle parts, brakes, etc., can solve problems such as damage to internal parts, and achieve the effect of avoiding sucking back

Active Publication Date: 2020-01-07
CRRC QINGDAO SIFANG ROLLING STOCK RES INST
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0005] The present invention aims at the above-mentioned technical problem that the internal parts are damaged after the protective cover enters water, and proposes a dust-proof sheath that can drain water in time

Method used

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Embodiment Construction

[0020] Hereinafter, the present invention will be specifically described through exemplary embodiments. It should be understood, however, that elements, structures and features of one embodiment may be beneficially combined in other embodiments without further recitation.

[0021] In the description of the present invention, it should be noted that the orientations or positional relationships indicated by the terms "inside", "outside", "upper", "lower", "front", "rear", etc. are based on those shown in the accompanying drawings. The positional relationship is only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying that the indicated device or element must have a specific orientation, be constructed and operated in a specific orientation, and therefore should not be construed as a limitation of the present invention. Furthermore, the terms "first", "second", and "third" are used for descriptive purposes on...

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Abstract

The invention provides a dustproof protective cover capable of being mounted on a unit brake cylinder. The dustproof protective cover comprises a housing, wherein a drainage hole is arranged at the side, near the ground, of the housing. Through the arrangement of the drainage hole, the dustproof protective cover disclosed by the invention can discharge the accumulated water in the dustproof protective cover in time, and prevent the accumulated water from entering core components of the unit brake cylinder resulting in internal damage.

Description

technical field [0001] The invention belongs to the technical field of railway vehicle braking, and in particular relates to a dustproof sheath. Background technique [0002] At present, the unit brake cylinder is one of the key braking components of railway vehicles. The dust jacket is a protective accessory on the unit brake cylinder. The dust jacket is installed on the cylinder block and the brake screw of the unit brake cylinder. In between, it has a certain protection and dustproof effect on the internal parts. In the process of braking and relieving, the brake screw has a telescopic action. In order to adapt to the telescopic deformation, the dust-proof sheath is made of rubber material and made into a multi-groove concave fold shape. [0003] Disadvantages of the existing technical solutions for dust-proof sheaths: they do not have a drainage function. [0004] Due to the function of the unit brake cylinder, there is a gap on the brake screw. During the braking and ...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): B60T17/00
CPCB60T17/004
Inventor 宋传云张昕徐少亭黄士伟吴天昊孔德鹏王震王超恒刁有彬
Owner CRRC QINGDAO SIFANG ROLLING STOCK RES INST
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