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Bridge for central tire inflation/deflation structure

A technology for inflation and deflation and structure, which is applied in the direction of tire measurement, tire parts, wheels, etc., can solve the problems of automobile tire inflation and deflation difficulties, and there is no relatively complete and reliable solution, and achieves simple structure and convenient maintenance , long service life effect

Inactive Publication Date: 2011-05-25
SINO TRUK JINAN POWER
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, it is a difficult thing to inflate and deflate the rotating automobile tires while the vehicle is running, and there is no relatively perfect and reliable solution at present.

Method used

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  • Bridge for central tire inflation/deflation structure
  • Bridge for central tire inflation/deflation structure

Examples

Experimental program
Comparison scheme
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Embodiment Construction

[0013] Its working principle is: the gas from the external gas source enters the air passage I9 in the shaft head 1, and then enters the air chamber 5 through the vent hole 7. Since the air chamber 5 is a closed ring, the entire air chamber 5 is filled with gas, and then The gas in the air chamber 5 flows into the wheel valve from the air channel II10, thereby inflating the automobile tires. Since the hub 6 is rotating while the car is running, but the shaft head 1 is stationary, and the air chamber 5 is designed, so the air inlet of the air channel II10 is always in communication with the air chamber 5, realizing the gas from The static pipeline is transmitted to the rotating wheel tire, and the inflation and deflation of the car tire during driving is adjusted by controlling the supply of the external air source. Oil seal 3 adopts well-sealed and wear-resistant materials. Inflate and deflate tires through instrument operation to meet the requirements of air pressure and tir...

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PUM

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Abstract

The invention discloses a bridge for a central tire inflation / deflation structure. The bridge comprises a shaft head, a semi-shaft, an oil seal seat and a hub, wherein the oil seal seat is sleeved outside the shaft head; the hub is sleeved outside the oil seal seat; an air passage I which is externally connected with an air source is arranged inside the shaft head; an air passage II is arranged inside the hub; an annular air chamber, which is closed to encircle the oil seal seat for at least one circle, is formed in a gap between an inner wall of the hub and an outer wall of the oil seal seat; and the air passage I and the air passage II are communicated with the air chamber respectively. The invention has the advantages that: the bridge is more suitable for a vehicle provided with a central automobile tire inflation / deflation system, automobile tire inflation / deflation can be convenient to adjust according to different running pavements in the running process, the inflation / deflation is perfect and reliable, and the bridge is simple in structure, convenient to maintain and long in service life.

Description

technical field [0001] The invention relates to a bridge for tire central inflation and deflation structure, which belongs to chassis accessories. Background technique [0002] At present, the central inflation and deflation system of automobile tires can significantly improve the safety of wheeled vehicles and their on-board equipment. [0003] Surface maneuverability, including passability, obstacle surmountability, flat tire driving ability, smoothness, fuel economy, tire wear and life, etc. have been improved to varying degrees, especially for special vehicles. Passability on soft ground such as beaches, deserts, snow, mud, etc., improve tire deflation driving ability, thereby improving the survivability of special vehicles, improving driving comfort, reducing damage to equipment and important materials, and adjusting vehicles within a certain range Height, adapt to transportation maneuvering requirements. However, it is a relatively difficult thing to inflate and def...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B60B35/14B60B37/00B60C23/00
CPCB60C23/003B60C23/00345B60C23/00363
Inventor 李晓波岳元静
Owner SINO TRUK JINAN POWER