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External tyre pressure gauge

A tire pressure gauge and external technology, applied in the field of tire pressure gauges, can solve the problems of increased material cost, high processing cost, small size of the tire pressure gauge, etc., and achieves the effects of saving processing cost, not easy to wear, and reducing installation difficulty.

Pending Publication Date: 2018-12-21
STEELMATE CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The existing external tire pressure gauge is fixed with the tire valve through threaded connection. The tire pressure gauge includes a shell, which is made of plastic material, and a metal piece is fixed inside the shell. The metal piece is in the shape of a ring, and the inner wall of the metal piece is There is a thread that matches with the tire valve, and the middle part of the metal part is also equipped with a top core for opening the valve stem. When the three are assembled, the processing cost is relatively high, and at the same time, metal materials are used to process metal parts, which increases the cost of materials

Method used

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Embodiment Construction

[0033] Embodiments of the present invention are described in detail below, examples of which are shown in the drawings, wherein the same or similar reference numerals designate the same or similar elements or elements having the same or similar functions throughout. The embodiments described below by referring to the figures are exemplary only for explaining the present invention and should not be construed as limiting the present invention.

[0034] The external tire pressure gauge that the present invention relates to, such as Figure 1 to Figure 3 As shown, it includes a cover 1 and a casing 2. The cover 1 is set outside the casing 2 and screwed to the casing 2. The casing 2 and the cover 1 are made of plastic.

[0035] The housing 2 includes a base 21 and a top block 22. The base 21 is provided with a mounting groove 211 for the tire valve to extend into. The inner wall of the mounting groove 211 is provided with an internal thread 2111. The base 21 It includes a bottom p...

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Abstract

An external tire pressure gauge As that problem of troublesome machining cost and high material cost of the assembly of the base and the top block are sol, A technical scheme comprise a housing, A pressure sensor and a circuit board are arranged in the housing, the housing includes a base and a top block, The base comprises a bottom plate located at the bottom of the mounting groove, a pressure sensor arranged on the side of the base remote from the opening of the mounting groove, a top block arranged at the central position of the bottom plate, and an air guide passage arranged in the top block, which is communicated with the pressure sensor and the mounting groove. As that top block and the shell are integrally for, the top block and the shell do not need to be assemble, the processing cost is reduced, and the top block and the shell are made of plastic material, thereby saving the material cost; At the same time, the top block made of plastic material is harder than the top block made of silica gel material, and the valve stem on the top pressure valve nozzle is not easy to be worn after long-term use, so that the service life is prolonged.

Description

technical field [0001] The invention relates to the field of tire pressure gauges, in particular to an external tire pressure gauge. Background technique [0002] An external tire pressure gauge is a device for monitoring vehicle tire pressure. The common external tire pressure gauge is small in size and is directly installed on the valve of the car tire, which can monitor the tire pressure of the car in real time during the running of the car. The existing external tire pressure gauge is fixed with the tire valve through threaded connection. The tire pressure gauge includes a shell, which is made of plastic material, and a metal piece is fixed inside the shell. The metal piece is in the shape of a ring, and the inner wall of the metal piece is There is a thread that matches with the tire valve, and the middle part of the metal part is also equipped with a top core for opening the valve stem. When the three are assembled, the processing cost is relatively high, and at the ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B60C23/04
CPCB60C23/04B60C23/0452B60C23/0496
Inventor 李安培魏浩华孟榜培
Owner STEELMATE CO LTD
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