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Gas valve and anti-temper cooker

A gas valve and gas technology, applied in the field of stoves, can solve problems such as backfire combustion and fire, and achieve the effect of preventing gas backfire combustion and preventing fire from causing fire.

Active Publication Date: 2019-05-31
NINGBO GUANGMANG LIGHT TOOL
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0002] Now many energy-saving cookers, especially semi-premixed commercial energy-saving cookers, when the blower pipe pressure drops to a certain value, the premixed gas will be backfired and burnt, causing a fire in severe cases

Method used

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Embodiment Construction

[0016] The technical solutions in the embodiments of the present invention will be clearly and completely described below in conjunction with the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of them. Based on the implementation manners in the present invention, all other implementation manners obtained by persons of ordinary skill in the art without making creative efforts belong to the scope of protection of the present invention.

[0017] Such as figure 1 As shown, the gas valve 5 of the present invention includes a valve body 51 , a valve cover 52 , two magnets 53 , a first piston 54 , a second piston 55 and a third piston 58 .

[0018] The top of the valve body 51 is provided with an opening, and the valve cover 52 is provided on the opening.

[0019] The valve body 51 is provided with parallel first piston passage 56 and second piston passage 57, ...

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Abstract

The invention provides a gas valve and an anti-backfire stove. The gas valve and the anti-backfire stove provided by the invention have the beneficial effects that by arrangement of the gas valve, theair pressure in an air inlet channel is used as a precondition for gas to pass through a gas channel, when the air pressure reaches a set value, a first piston and a third piston are driven, a secondpiston is also linked under the driving of gas pressure, the air inlet channel and the gas channel are opened, and fresh air blown by an oxygenation fan and gas enter a burner to participate in burning reaction; when the air pressure is excessively low, the first piston and the third piston return under the action of magnetic force of the two magnets, the second piston is also linked, the air inlet channel and the gas channel are gradually closed, and in the process, constant air pressure in the air inlet channel and constant gas pressure in the gas channel are kept all the time, so that thegas-backfire burning due to excessively-low air pressure in the air inlet channel is prevented and fire disasters are prevented.

Description

technical field [0001] The invention relates to the technical field of cookers, in particular to a gas valve and a backfire prevention cooker. Background technique [0002] Nowadays, many energy-saving cookers, especially semi-premixed commercial energy-saving cookers, when the blower pipeline pressure drops to a certain value, the premixed gas will be backfired and burnt, causing a fire in severe cases. Contents of the invention [0003] In view of this, the present invention proposes a gas valve and an anti-tempering cooker that can effectively prevent gas flashback from developing a fire. [0004] Technical scheme of the present invention is realized like this: [0005] On the one hand, the present invention provides a gas valve, which includes a valve body, a valve cover, two magnets, a first piston, a second piston and a third piston, the valve cover is arranged on the valve body, and the valve body is provided with parallel The first piston channel and the second p...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): F16K31/08F16K31/122F16K27/08
CPCF16K27/08F16K31/086F16K31/122
Inventor 张跃虎
Owner NINGBO GUANGMANG LIGHT TOOL
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