A gas pressure reducing valve

Abstract

The invention belongs to the technical field of valves, and is specifically a gas pressure reducing valve, which includes a valve body, a piston, a connecting rod, a rubber tube and an adjusting ring; Air port; the air inlet and the air outlet are respectively slidingly connected with pistons; the pistons are hingedly connected by connecting rods; a rubber tube is inserted into the valve body; an adjusting ring is arranged inside the air inlet; the structure of the present invention Simple, it can automatically adjust and stabilize the pressure, and the function is relatively stable. By setting the adjustment ring, when the gas internal pressure in the first cavity increases, it can respond quickly and reduce the gas intake in time, avoiding the piston And the hysteresis of the response of the connecting rod mechanism greatly improves the uniformity of the gas outlet. At the same time, the rubber tube is interchangeable, which prevents the gas pressure reducing valve from being scrapped due to damage to the rubber tube and increases the service life of the gas pressure reducing valve.

Description

technical field [0001] The invention belongs to the technical field of valves, in particular to a gas pressure reducing valve. Background technique [0002] The gas pressure reducing valve is installed on the angle valve of the liquefied gas cylinder, connecting the angle valve and the rubber hose to reduce the output pressure and stabilize the output pressure. It is an important gas equipment in the matching of household gas appliances. [0003] The gas pressure reducing valve is a valve that reduces the inlet pressure to a certain required outlet pressure through adjustment, and relies on the energy of the medium itself to keep the outlet pressure automatically stable. In the prior art, it uses simple springs and rubber membranes. The lever principle is used to automatically adjust the opening and closing of the valve port, so that the outlet pressure remains generally stable, but this technology has the problem of fluctuating gas output in a short period of time, which ca...

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Problems solved by technology

[0005] In order to make up for the deficiencies of the prior art and solve the problems of insufficient stability of the gas pressure reducing valve in the prior art, the gas leakage phenomenon caused by the easy loose connection, no warning function and difficult interchangeability of internal parts, etc., the present invention proposes a gas pressure reducing valve

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