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Gas path control electric quick-closing valve in gas meter

A gas circuit control, quick-closing valve technology, applied in measuring devices, instruments, liquid/fluid solid measurement, etc. The effect of closing the valve and simple structure

Inactive Publication Date: 2008-02-13
TIANJIN JINNAN KAIDA ELECTRONIC CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0002] The current electric quick-closing valve needs external power to close, and it is difficult to achieve fast closing when the power is off. The fast-closing valve in the form of a stop valve, when the power is off and requires fast closing, the fast closing speed is affected by mechanical loss, and the structure is difficult to make. to miniaturization

Method used

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  • Gas path control electric quick-closing valve in gas meter

Examples

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Effect test

Embodiment

[0007] Embodiment: an electric quick-closing valve for gas circuit control used in a gas meter, including a valve seat 1, a valve core 2 and a valve stem 3, and a nut 5 connected to an electronically controlled transmission 4 is fitted outside the valve stem 3, A clamping device 6 is provided on the nut 5 . The clamping device 6 is provided with springs 7 on both sides of the split nut 5 , and a guide groove 8 is provided on the valve stem 3 .

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Abstract

A gas circuit control electric fast cut-off valve used in a gas meter includes a valve base, a valve core and a valve bar. A nut, which connected with an electric control transmission device, is arranged outside the valve bar. The nut is equipped with a clamping device. The clamping device is equipped with springs on the two sides of the subdivided nut. The valve bar is equipped with a guide groove. The invention has the advantages of simple structure, valve miniaturization manufacture and rapid cut-off performance after loss of power.

Description

technical field [0001] The invention relates to an electric quick-closing valve for gas circuit control in a gas meter. Background technique [0002] The current electric quick-closing valve needs external power to close, and it is difficult to achieve fast closing when power is off. The fast-closing valve in the form of a stop valve, when the power is off and requires fast closing, the fast closing speed is affected by mechanical loss, and the structure is difficult to make. to miniaturization. Contents of the invention [0003] The object of the present invention is to overcome the above-mentioned defects, and provide an electric quick-closing valve for gas circuit control in a gas meter. [0004] The technical solution of the present invention is: an electric quick-closing valve for gas circuit control in a gas meter, which is characterized in that it includes a valve seat, a valve core and a valve stem. The nut is provided with a clamping device on the nut, and the c...

Claims

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Application Information

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IPC IPC(8): G01F15/00
Inventor 崔连凯
Owner TIANJIN JINNAN KAIDA ELECTRONIC CO LTD
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