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Explosion-proof gas meter

A gas metering and gas technology, applied in the direction of volume metering, measuring device, measuring capacity, etc., can solve the problems of failure to automatically turn off the gas, no installation of safety explosion-proof technology, tempering explosion meter, etc., to achieve simple structure and stable working performance. , to prevent the effect of tempering explosion

Active Publication Date: 2009-02-18
陕西大唐燃气安全科技股份有限公司
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Problems solved by technology

[0002] At present, there are about two kinds of gas meters used by people: one is a mechanical meter, and the other is an electronic meter. Failed to automatically shut off the gas, and often flashback phenomenon)

Method used

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Embodiment Construction

[0017] As shown in Figure 1, the explosion-proof gas meter of the present invention is improved on the basis of the existing pipeline gas meter, and its characteristics are: the air inlet (25) of the existing pipeline gas meter (1) ) one end is connected to the air outlet channel (10) of a lever pressure-regulating type explosion-proof gas pressure reducing valve (2), and the lever pressure-regulating type explosion-proof gas pressure reducing valve (2) includes a lower housing (3) and an upper housing (4); the lower housing (3) has an interconnected installation connector (27), an air intake guide channel (5), a forward closing gas valve seat (6), a small air intake channel (7), and a reverse pressure regulation Nozzle (8), gas pressure chamber (9), air outlet guide channel (10); a pressure rubber membrane (11) is installed between the upper shell (4) and the lower shell (3), and a pressure rubber membrane (11) is installed between the pressure rubber A pressure-regulating ba...

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Abstract

An explosion-proof gas meter is improved based on the existing pipeline gas meter and is characterized in that one end of the gas inlet of the existing pipeline gas meter is connected and matched with a lever regulator-type anti-explosive gas pressure relief valve or a pull-rod regulator-type explosion-proof gas pressure relief valve gas to enable a leakage automatic closing gas valve core to automatically close the gas through the control of the gas pressure and the pressure of a regulator spring; the explosion-proof gas meter is simple in structure, which not only can prevent leakage, but also can prevent tempering and leakage risk caused when the meter is invertedly arranged by the user.

Description

Technical field: [0001] The invention relates to an explosion-proof gas meter, in particular to an explosion-proof gas meter with automatic closing of gas leakage. Background technique: [0002] At present, there are about two kinds of gas meters used by people: one is a mechanical meter, and the other is an electronic meter. Failed to automatically shut off the gas, and often flashback phenomenon). Invention content: [0003] In order to solve the above problems, the explosion-proof gas meter of the present invention can not only automatically shut off the gas when an accidental gas leakage occurs, but also prevent the explosion of the meter caused by backfire. [0004] Technical solutions: [0005] According to the above purpose, the explosion-proof gas meter of the present invention is improved on the basis of the existing pipeline gas meter. Explosion-proof gas pressure reducing valve, the lever pressure regulating type explosion-proof gas pressure reducing valve in...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G01F15/00
Inventor 张珉
Owner 陕西大唐燃气安全科技股份有限公司
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