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Ventilation plug

A vent plug and vent hole technology, which is applied in the field of vent plugs, can solve the problems of transfer case parts such as rust and component failure, and achieve the effect of avoiding rust and damage, and improving dustproof and waterproof performance

Active Publication Date: 2014-12-10
HYCET TRANSMISSION TECH HEBEI CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] Due to the complex and diverse road conditions that the car encounters during driving, it is inevitable that it will need to drive under dusty road conditions or need to ford water. Although the existing vent plug has certain dustproof and waterproof functions, But in some cases, for example: when the transfer case of the car is wading, and the wading height is higher than the vent plug, if the vent plug discharges gas outward at this time, water may enter the transfer case through the vent plug Confined space, causing parts inside the transfer case to rust, leading to failure of the entire assembly

Method used

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Embodiment Construction

[0021] The following will clearly and completely describe the technical solutions in the embodiments of the present invention with reference to the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only some, not all, embodiments of the present invention. Based on the embodiments of the present invention, all other embodiments obtained by persons of ordinary skill in the art without making creative efforts belong to the protection scope of the present invention.

[0022] In describing the present invention, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", The orientation or positional relationship indicated by "bottom", "inner", "outer", etc. is based on the orientation or positional relationship shown in the drawings, and is only for the convenience of describing the present invention and simplifying the description, rather than indicating or impl...

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Abstract

The embodiment of the invention relates to the technical field of car ventilation devices, and provides a ventilation plug which can improve dust and water resistance. The ventilation plug comprises a plug cap and a plug body with a vent hole, the vent hole is a through hole penetrating through the two ends of the plug body, the plug cap is arranged at one end of the plug body in a covering mode, a cavity is formed between the plug cap and the plug body and communicated with the vent hole, and the plug cap can move along the outer surface of the plug body in a reciprocating mode. A sealing piece is arranged between the side wall of the plug cap and the plug body, and when the plug cap moves along the outer surface of the plug body, the sealing piece can move along with the plug cap to enable the cavity to be always isolated from the outside. The ventilation plug is used for a car component with a sealed space.

Description

technical field [0001] The invention relates to the technical field of automobile ventilation devices, in particular to a ventilation plug. Background technique [0002] Among the various components of a car, some components have a closed space, such as: transmission, transfer case and rear axle, etc. During the running of the car, these components with a closed space (hereinafter referred to as: closed components) The internal air pressure changes continuously with the change of working conditions. When the internal temperature of the airtight components increases, the pressure increases. In order to keep the airtight components working normally, the air pressure in them needs to be adjusted. There is a hole on the top, and a vent plug is set at the hole. When the air pressure inside the closed component is high, the gas can be discharged to the external environment through the vent plug, so as to adjust the air pressure. [0003] Due to the complex and diverse road condit...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): F16K24/04
CPCF16K24/04
Inventor 梁磊李建辉
Owner HYCET TRANSMISSION TECH HEBEI CO LTD
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