Waterproof pressure gauge

A technology of pressure gauge and pressure gauge, applied in the direction of fluid pressure measurement of elastic deformation gauge, etc., to achieve the effect of low production cost, compact structure and exquisite design

Inactive Publication Date: 2015-11-04
ZHONGKE ANJIECHI ENVIRONMENTAL PROTECTION TECH
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  • Abstract
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  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

In order to overcome the deficiency that the existing spring tube pressure gauge cannot withstand high pressure, this patent improves on the basis of the spring tube pressure gauge and proposes a new type of waterproof pressure gauge, that is, injecting hydraulic oil into the inner cavity of the original pressure gauge to balance the pressure gauge The internal and external pressure difference can balance the internal and external pressure of the pressure gauge casing, thereby overcoming the shortcomings of existing pressure gauges

Method used

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Embodiment Construction

[0013] The present invention will be further described below in conjunction with specific drawings and embodiments.

[0014] Such as figure 1 Shown: the present invention mainly consists of dial 1, pointer 2, pressure gauge connector 3, meter front cover 4, sealing ring 5, meter back cover 6, hose connector 7, hose 8, plug 9, gear fixing rod 10 , a gear holder 11, a spring hose 12, a spring pull rod 13 and a gear transmission mechanism 14; Figure 4 ), the measured pressure can be read through dial 1, figure 2 Among them, the front cover 4 of the meter is transparent glass. After the assembly of various mechanisms in the pressure gauge to be tested is completed, the thread in the front cover 4 is fixed to the back cover 6 of the meter, and the sealing ring 5 acts as a seal between the two. Function, the hose joint 7 is screwed on the threaded hole on the rear end surface of the meter back cover 6, and connected with the hose 8, when the inner cavity of the pressure gauge an...

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Abstract

The invention relates to a waterproof pressure gauge. The waterproof pressure gauge comprises a dial, a pointer, a pressure gauge connector, a front cover, a sealing ring, a rear cover, a hose connector, a hose, a plug, a gear fixing rod, a gear fixing frame, a spring hose, a spring pull rod, and a gear transmission mechanism. The pressure gauge is fixed on equipment. The pointer is connected to the gear transmission mechanism. The cavity of the gauge is filled with hydraulic oil through the hose connector and the hose. The gear fixing rod is used to fix the gear transmission mechanism, and is fixed by the gear fixing frame to the rear cover. The spring pull rod is hinged to the gear transmission mechanism and the other end of the spring hose. The gear transmission mechanism is composed of two mutually-meshed gears and a spring. The advantage lies in that hydraulic oil is injected into the cavity of the existing pressure gauge to balance the pressure difference between the inside and outside of the gauge, the defect of the existing pressure gauge is overcome, and the waterproof pressure gauge has the characteristics of exquisite design, compact structure, low production cost and high reliability.

Description

technical field [0001] The invention belongs to the technical field of machinery, and relates to waterproof operation equipment, in particular to a waterproof pressure gauge. Background technique [0002] A few days ago, spring tube pressure gauges are often used to measure water pressure in underwater environments, which are characterized by simple structure, durability, and wide measurement range. . If this type of pressure gauge is used at a gradually increasing depth, its casing will be fractured first and eventually damaged. In order to overcome the deficiency that the existing spring tube pressure gauge cannot withstand high pressure, this patent improves on the basis of the spring tube pressure gauge and proposes a new type of waterproof pressure gauge, that is, injecting hydraulic oil into the inner cavity of the original pressure gauge to balance the pressure gauge The internal and external pressure difference can balance the internal and external pressure of the ...

Claims

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Application Information

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IPC IPC(8): G01L7/04
Inventor 宋永高谢建华田常录
Owner ZHONGKE ANJIECHI ENVIRONMENTAL PROTECTION TECH
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