Air leakage prevention tyre pressure detector

A technology of tire pressure detector and air pressure, which is applied in tire measurement, tire parts, transportation and packaging, and can solve the problems of insufficient applicability of tire pressure detectors
CN101780754AActive Publication Date: 2010-07-21ι»„θ…Ύζ–‡
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Patent Information

Authority / Receiving Office
CN Β· China
Patent Type
Applications(China)
Current Assignee / Owner
ι»„θ…Ύζ–‡
Publication Date
2010-07-21

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Abstract

The invention discloses an air leakage prevention tyre pressure detector comprising a base, a butting cover, a tyre pressure detecting assembly and a valve nozzle assembly, wherein the base is provided with an annular protruding wall, an external thread and an annular limiting wall, and an annular groove is formed between the annular limiting wall and the annular protruding wall; the butting cover is provided with an annular wall body which is in threaded connection with the external thread of the base by an internal thread, the end part of the annular wall body is contained in the annular groove, an air tight ring is embedded and clamped between the butting cover and the base, and the butting cover and the base are in threaded connection and then matched to define an air tight space together; the tyre pressure detecting assembly is contained in the air tight space; and the valve nozzle assembly is arranged between the base and the butting cover. The invention limits the position and the shape of the annular wall body because the outer part of the annular wall body of the butting cover is provided with the annular limiting wall, and keeps good gas tightness by preventing the threaded connection part between the butting cover and the base from being deformed.
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Description

technical field

[0001] The invention relates to a tire pressure detector, in particular to an anti-leakage tire pressure detector which is used to assemble an air nozzle of a car tire and has good safety. Background technique

[0002] refer to figure 1 , is a well-known tire pressure detector, which can be installed on the air nozzle of the vehicle tire to detect the tire pressure of the vehicle tire, so that the user can know the tire pressure information in real time.

[0003] The tire pressure detector includes a base 91 set outside the air nozzle, and a docking cover 92 that is screw-locked with the inside of the base 91 and the external threads 93 and 94, and an air-tight ring is arranged at the screw joint. 95. Among them, the base 91 and the docking cover 92 can cooperate together to define an airtight space 96 to accommodate the necessary components of the tire pressure detector, such as: a pressure detection unit for detecting the tire pressure, and a pressure det...

Claims

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