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A self-closing valve for domestic gas with small force loss

A gas self-closing valve, household technology, applied in the direction of lifting valve, balance valve, valve device, etc.

Active Publication Date: 2022-04-12
台州众禾金属制品有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] The present invention provides a household gas self-closing valve with small force loss, which has the advantages of long-term, stable and effective response to gas accidents, and solves the technical problems mentioned in the background technology

Method used

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  • A self-closing valve for domestic gas with small force loss
  • A self-closing valve for domestic gas with small force loss
  • A self-closing valve for domestic gas with small force loss

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Embodiment Construction

[0022] The following will clearly and completely describe the technical solutions in the embodiments of the present invention with reference to the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only some, not all, embodiments of the present invention. Based on the embodiments of the present invention, all other embodiments obtained by persons of ordinary skill in the art without making creative efforts belong to the protection scope of the present invention.

[0023] see Figure 1-4 , a household gas self-closing valve with small force loss, comprising a valve body 1, a first valve seat 101 and a second valve seat 102 are provided on the air intake side of the inner cavity of the valve body 1, and the inner cavity of the valve body 1 A drive tube 4 is provided in the middle of the drive tube 4, and a laterally movable valve stem 5 is provided on one side of the drive tube 4. One end of the valve stem 5 is fixedly co...

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Abstract

The invention relates to the field of gas safety valves, and discloses a household gas self-closing valve with small force loss, which includes a valve body, and a first valve seat and a second valve are arranged on the air inlet side of the inner cavity of the valve body. Seat, the middle part of the inner cavity of the valve tube is provided with a drive pipe, one side of the drive pipe is provided with a valve stem that can move laterally, and one end of the valve stem is fixedly connected to the first valve seat and the second valve seat. between the spools. The household gas self-closing valve with small force loss, through the structural design of the valve core located between the first valve seat and the second valve seat in the valve body, uses metal through pipes and conduits to connect the valve body, linkage pipe body and drive Tube, while achieving the effects of undervoltage safety protection, overcurrent safety protection, and overpressure safety protection, compared with the existing gas safety self-closing valve, it cancels the way of elastic diaphragm balance, effectively avoiding the elastic diaphragm When the chip is in normal supply pressure balance, it is easy to malfunction due to the influence of elastic fatigue.

Description

technical field [0001] The invention relates to the field of household gas safety valves, in particular to a household gas self-closing valve with small force loss. Background technique [0002] Natural gas is a kind of green fuel energy that people cannot do without today, especially in cities, almost every household uses natural gas. While natural gas brings convenience to people, it also has certain hidden dangers. Therefore, it is necessary to A gas self-closing valve is set between the gas stove and the gas supply. When problems such as overvoltage, undervoltage, and overcurrent occur in the gas supply, the valve will be automatically closed in time to avoid damage caused by gas leakage. [0003] However, the elastic diaphragm of the existing gas safety valve is in an elastic working state when the normal supply pressure is balanced. After a long time, it is easy to malfunction due to the influence of elastic fatigue. The force is turned into a lateral force to pull th...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): F16K17/00F16K17/164F16K1/00F16K1/32F16K31/08F16K31/363F16K37/00F16K41/10
CPCF16K17/00F16K17/164F16K31/084F16K31/363F16K1/00F16K1/32F16K37/0008F16K41/10
Inventor 廖代云
Owner 台州众禾金属制品有限公司