CN112146134A

CN112146134A - Gas equipment capable of leakage protection and automatic closing switch

Info

Publication number: CN112146134A
Application number: CN202011071323.1A
Authority: CN
Inventors: 刘俊皮
Original assignee: Fuzhou Economic And Technological Development Zone Kangtaiyuan Technology Co ltd
Current assignee: Fuzhou Economic And Technological Development Zone Kangtaiyuan Technology Co ltd
Priority date: 2020-10-09
Filing date: 2020-10-09
Publication date: 2020-12-29

Abstract

The invention discloses gas equipment capable of leakage protection and automatic switch closing, which comprises an equipment box body, wherein a conveying cavity is fixedly connected to the end wall of the lower side of the equipment box body, a conveying device is arranged in the conveying cavity, a main valve box is fixedly connected to the end face of the right side of an air outlet pipe, a valve device is arranged in the main valve box, a gas stove is fixedly connected to the end wall of the upper side of the equipment box body, a working pipe is fixedly connected to the end wall of the lower side of the gas stove, a closing device is arranged in the gas stove, a transmission box is fixedly connected to the end face of the upper side of the conveying cavity, and a safety device is arranged in the transmission box.

Description

Gas equipment capable of leakage protection and automatic closing switch

Technical Field

The invention relates to the field of gas equipment, in particular to gas equipment which can perform leakage protection and automatically close a switch.

Background

Gas-fired equipment is often an important facility for operating gas. The kitchen equipment using gas as energy is the most common gas equipment, and in common kitchen equipment, such as a gas stove, when the gas is used for cooking for a long time, people can forget to close the kitchen equipment, so that a fire is caused, and meanwhile, when the gas is used, the gas is easy to leak due to human or equipment aging, so that potential safety hazards are caused.

Disclosure of Invention

The technical problem is as follows: common kitchen top of a kitchen range when using the gas to cook for a long time, the people forget easily and close, leads to the conflagration to cause, when using the gas simultaneously, because artificial or the ageing reason of equipment leads to the gas to leak easily, causes the potential safety hazard.

In order to solve the problems, the present example designs a gas equipment capable of leakage protection and automatic closing switch, the gas equipment capable of leakage protection and automatic closing switch of the present example comprises an equipment box body, a conveying cavity is fixedly connected with the lower side end wall of the equipment box body, a conveying device is arranged in the conveying cavity and used for providing gas for conveying, the conveying device comprises a conveying device fixedly connected with the lower side end surface of the conveying cavity, an outlet pipe is fixedly connected with the right side end wall of the conveying device, a main valve box is fixedly connected with the right side end surface of the outlet pipe, a valve device is arranged in the main valve box and used for controlling the conveying of the gas, a filter pipe is fixedly connected with the right side end wall of the main valve box, a filter box is fixedly connected with the lower side end surface of the conveying cavity, and the filter pipe is fixedly connected with the left side end, a gas filter screen is installed and connected in the filter box, sealing rings are fixedly connected between the upper side end face and the lower side end face of the gas filter screen and the upper side end wall and the lower side end wall of the gas filter screen, an auxiliary pipe is fixedly connected to the upper side end wall of the filter box, an auxiliary cavity is fixedly connected to the upper side end wall of the equipment box body, a safety box is fixedly connected to the lower side end face of the auxiliary cavity, a safety cavity is arranged in the safety box, the right side end face of the safety cavity is fixedly connected with the auxiliary pipe, the upper side end face of the auxiliary pipe is fixedly connected with an upper flow pipe, the upper side end face of the upper flow pipe is fixedly connected with a gas pressure gauge, a push plate is slidably connected in the safety cavity, a safety tensioning rope is fixedly connected to the left side end face of, the gas stove is characterized in that a movement cavity is fixedly connected to the upper side end wall of the equipment box body, an isolation plate is connected to the movement cavity in a sliding mode, a through hole is fixedly connected to the interior of the isolation plate, the left end face of the isolation plate is fixedly connected with the safety tensioning rope, a pushing spring is fixedly connected between the left end face of the isolation plate and the left end face of the movement cavity, the isolation plate is connected to the interior of the working tube in a sliding mode, a gas stove is fixedly connected to the upper side end wall of the equipment box body, the lower side end wall of the gas stove is fixedly connected with the working tube, a closing device is arranged in the gas stove and used for automatically closing a knob of the gas stove, a transmission box is fixedly connected to the upper.

Preferably, the valve device comprises a main valve box fixedly connected with the lower end surface of the conveying cavity, a valve cavity is arranged in the main valve box, the left end surface of the valve cavity is fixedly connected with a valve pipeline, the left end surface of the valve pipeline is fixedly connected with the outlet pipe, the right end surface of the valve pipeline is fixedly connected with the filter pipe, the valve pipeline is fixedly connected with two sealing rings which are symmetrical in left and right positions, the upper end surface of the valve cavity is rotatably connected with a valve transmission shaft which extends upwards, the valve transmission shaft is fixedly connected with a lead screw, the lead screw is rotatably connected with a nut, the upper end surface of the valve cavity is fixedly connected with two clapboards which are symmetrical in left and right positions, the nut is positioned between the clapboards, the lower end surface of the nut is fixedly connected with a valve body, and the upper end surface, the valve body with fixedly connected with between the valve pipeline up end face the sealing washer, valve transmission shaft upside terminal surface fixed connection has the valve switch, fixedly connected with pinion on the valve transmission shaft, main valve case upside end wall fixedly connected with auxiliary tank, the pinion is located in the auxiliary tank.

Preferably, the safety device comprises a transmission case fixedly connected to the upper end face of the conveying cavity, a transmission cavity is arranged in the transmission case, an emergency motor base is slidably connected to the lower end face of the transmission cavity, an emergency motor shaft extending leftwards is rotatably connected to the left end face of the emergency motor base, the emergency motor shaft is in power connection with an emergency motor fixedly connected to the emergency motor base, a bevel gear is fixedly connected to the emergency motor shaft, a transition shaft extending downwards is rotatably connected to the lower end face of the transmission cavity, an auxiliary bevel gear is fixedly connected to the upper end face of the transition shaft, the auxiliary bevel gear and the bevel gear can be in meshed connection, a main gear is fixedly connected to the lower end face of the transition shaft, the main gear is located in the auxiliary case, the main gear and the auxiliary gear are in meshed connection, and a fan is fixedly connected to the left end face of the emergency motor shaft, the emergency tensioning device comprises an equipment box body, a fan, an air filter screen, an emergency motor base, a switching spring, a lower flow pipe, a monitoring plate, a lower side end face of the monitoring plate, and a monitoring spring, wherein the air filter screen is fixedly connected to the upper side end face of the air exchange port, the emergency tensioning rope is fixedly connected to the right side end face of the emergency motor base, the switching spring is fixedly connected between the right side end face of the emergency motor base and the right side end face of a transmission cavity, the lower side end face of the auxiliary pipe is fixedly connected with the lower flow pipe, the monitoring plate is slidably connected with the monitoring plate, the emergency tensioning rope is fixedly connected to the lower side end face.

Preferably, the closing device comprises the gas stove fixedly connected to the upper end wall of the equipment box body, a working cavity is arranged in the gas stove, the front end face of the working cavity is fixedly connected with a clothes motor, the rear end face of the clothes motor is in power connection with a clothes motor shaft extending backwards, the rear end face of the clothes motor shaft is fixedly connected with a cam, the lower end face of the working cavity is in sliding connection with a rack, the rear end face of the working cavity is in rotating connection with a working transmission shaft extending backwards, the front end face of the working transmission shaft is fixedly connected with a working gear, the working gear is in meshing connection with the rack, the rear end face of the working transmission shaft is fixedly connected with a knob, the lower end wall of the gas stove is fixedly connected with a heat conducting rod, the upper end face of the auxiliary cavity is fixedly connected with an air box, and the, the gas tank downside terminal surface fixedly connected with siphunculus, siphunculus downside terminal surface fixedly connected with removes the chamber, it has the movable block to remove intracavity sliding connection, movable block right side terminal surface fixedly connected with triggers the taut rope, movable block right side terminal surface with remove fixedly connected with trigger spring between the chamber right side terminal surface, working chamber front end terminal surface fixedly connected with slip chamber, sliding intracavity sliding connection has the sliding block, sliding block left side terminal surface fixedly connected with trigger the taut rope, sliding block left side terminal surface with fixedly connected with working spring between the chamber left side terminal surface, sliding block rear end terminal surface fixedly connected with touches the briquetting, suit of the property motor left side terminal surface fixedly connected with shift knob.

The invention has the beneficial effects that: the gas equipment capable of protecting leakage and automatically closing the switch can prevent gas leakage and automatically close the switch of the gas stove when the gas stove uses gas, the main valve is used for controlling the delivery of the gas, the gas is filtered in the gas delivery process, pipeline impurities in the gas are reduced, the use effect of the gas is improved, the gas can trigger the switch to be normally used when the pressure in the pipeline is normal, and when the gas leaks, the pressure in the pipeline is detected to be abnormal through the safety device, so that the main valve is started, the fan is started, the air circulation is increased, accidents caused by excessive gas leakage are prevented, and when the gas stove is not closed for a long time, the closing device can be started to automatically close the knob of the gas stove to prevent fire, so that the gas equipment is safer and more convenient to use and has higher use efficiency.

Drawings

For ease of illustration, the invention is described in detail by the following specific examples and figures.

FIG. 1 is a schematic view of the overall structure of a gas appliance capable of leakage protection and automatic switch off according to the present invention;

FIG. 2 is a schematic view of the structure in the direction "A-A" of FIG. 1;

FIG. 3 is an enlarged view of the structure at "B" in FIG. 1;

fig. 4 is an enlarged schematic view of the structure at "C" of fig. 1.

Detailed Description

The invention will now be described in detail with reference to fig. 1 to 4, for the sake of convenience of description, the following orientations are now defined: the up, down, left, right, and front-back directions described below correspond to the up, down, left, right, and front-back directions in the projection relationship of fig. 1 itself.

The invention relates to a gas device capable of leakage protection and automatically closing a switch, which is mainly applied to the safety protection of gas used by a gas stove, and the invention is further explained by combining the attached drawings of the invention: the invention relates to a gas device capable of leakage protection and automatically closing a switch, which comprises a device box body 11, wherein a conveying cavity 19 is fixedly connected with the lower side end wall of the device box body 11, a conveying device 101 is arranged in the conveying cavity 19, the conveying device 101 is used for conveying gas, the conveying device 101 comprises a conveying device 18 fixedly connected with the lower side end surface of the conveying cavity 19, the right side end wall of the conveying device 18 is fixedly connected with an air outlet pipe 17, the right side end surface of the air outlet pipe 17 is fixedly connected with a main valve box 15, a valve device 102 is arranged in the main valve box 15 and used for controlling the conveying of the gas, the right side end wall of the main valve box 15 is fixedly connected with a filter pipe 12, the lower side end surface of the conveying cavity 19 is fixedly connected with a filter box 55, the left side end wall of the filter box 55 is fixedly connected with the filter pipe 12, and a gas filter, sealing rings 13 are fixedly connected between the end surfaces of the upper side and the lower side of the gas filter screen 56 and the end walls of the upper side and the lower side of the gas filter screen 56, an auxiliary pipe 50 is fixedly connected to the end wall of the upper side of the equipment box body 11, an auxiliary cavity 79 is fixedly connected to the end surface of the lower side of the auxiliary cavity 79, a safety box 48 is fixedly connected to the end surface of the lower side of the auxiliary cavity 79, a safety cavity 44 is arranged in the safety box 48, the auxiliary pipe 50 is fixedly connected to the end surface of the right side of the safety cavity 44, an upper flow pipe 49 is fixedly connected to the end surface of the upper side of the auxiliary pipe 50, a gas pressure gauge 47 is fixedly connected to the end surface of the upper side of the upper flow pipe 49, a push plate 46 is slidably connected in the safety cavity 44, a safety tensioning rope 45 is fixedly connected to the end surface, the upper end wall of the equipment box body 11 is fixedly connected with a moving cavity 37, an isolation plate 41 is connected in the moving cavity 37 in a sliding way, the isolation plate 41 is internally and fixedly connected with a through hole 40, the left end face of the isolation plate 41 is fixedly connected with the safe tensioning rope 45, a pushing spring 38 is fixedly connected between the left end face of the isolating plate 41 and the left end face of the moving cavity 37, the isolating plate 41 is connected in the working pipe 42 in a sliding way, the gas stove 35 is fixedly connected with the upper end wall of the equipment box body 11, the working pipe 42 is fixedly connected to the lower end wall of the gas stove 35, a closing device 104 is arranged in the gas stove 35, the closing device 104 is used for automatically closing a knob of a gas stove, a transmission case 20 is fixedly connected with the upper end surface of the conveying cavity 19, a safety device 103 is arranged in the transmission case 20, and the safety device 103 is used for detecting whether the pipeline leaks or not.

Beneficially, the valve device 102 includes the main valve box 15 fixedly connected to the lower end surface of the conveying cavity 19, a valve cavity 16 is arranged in the main valve box 15, a valve pipeline 14 is fixedly connected to the left end surface of the valve cavity 16, the outlet pipe 17 is fixedly connected to the left end surface of the valve pipeline 14, the filter pipe 12 is fixedly connected to the right end surface of the valve pipeline 14, the two sealing rings 13 are fixedly connected to the valve pipeline 14, the two sealing rings are symmetrical in left-right position, an upward extending valve transmission shaft 73 is rotatably connected to the upper end surface of the valve cavity 16, a lead screw 76 is fixedly connected to the valve transmission shaft 73, a nut 75 is rotatably connected to the lead screw 76, two partition plates 74 are symmetrical in left-right position are fixedly connected to the upper end surface of the valve cavity 16, the nut 75 is located between the partition plates 74, and a valve body 72, valve pipeline 14 upside terminal surface sliding connection has valve body 72, valve body 72 with fixedly connected with between the valve pipeline 14 upside terminal surface sealing washer 13, valve transmission shaft 73 upside terminal surface fixed connection has valve switch 78, fixedly connected with pinion 77 on the valve transmission shaft 73, the side end wall fixedly connected with auxiliary tank 22 on the main valve case 15, pinion 77 is located in auxiliary tank 22.

Advantageously, the safety device 103 comprises the transmission box 20 fixedly connected to the upper end surface of the conveying cavity 19, a transmission cavity 68 is arranged in the transmission box 20, an emergency motor base 69 is slidably connected to the lower end surface of the transmission cavity 68, an emergency motor shaft 25 extending leftwards is rotatably connected to the left end surface of the emergency motor base 69, the emergency motor shaft 25 is in power connection with an emergency motor 70 fixedly connected to the emergency motor base 69, a bevel gear 67 is fixedly connected to the emergency motor shaft 25, a downwardly extending transition shaft 23 is rotatably connected to the lower end surface of the transmission cavity 68, a secondary bevel gear 66 is fixedly connected to the upper end surface of the transition shaft 23, the secondary bevel gear 66 is in meshing connection with the bevel gear 67, a main gear 21 is fixedly connected to the lower end surface of the transition shaft 23, and the main gear 21 is located in the auxiliary box 22, the main gear 21 is engaged with the pinion 77, the fan 24 is fixedly connected to the left end face of the emergency motor shaft 25, a ventilation opening 27 is fixedly connected with the left end wall of the equipment box body 11, the fan 24 is positioned in the ventilation opening 27, an air filter screen 26 is fixedly connected with the upper end face of the air exchange port 27, an emergency tensioning rope 54 is fixedly connected with the right end face of the emergency motor base 69, a switching spring 71 is fixedly connected between the end surface of the right side of the emergency motor seat 69 and the end surface of the right side of the transmission cavity 68, a lower flow pipe 51 is fixedly connected with the lower end surface of the auxiliary pipe 50, a monitoring plate 52 is connected in the lower flow pipe 51 in a sliding way, the emergency tensioning rope 54 is fixedly connected to the lower end face of the monitoring plate 52, and the monitoring spring 53 is fixedly connected between the lower end face of the monitoring plate 52 and the lower end face of the lower flow pipe 51.

Beneficially, the closing device 104 includes the gas stove 35 fixedly connected to the upper end wall of the equipment cabinet 11, a working chamber 60 is arranged in the gas stove 35, a service motor 63 is fixedly connected to the front end face of the working chamber 60, a service motor shaft 64 extending backwards is dynamically connected to the rear end face of the service motor 63, a cam 65 is fixedly connected to the rear end face of the service motor shaft 64, a rack 59 is slidably connected to the lower end face of the working chamber 60, a working transmission shaft 57 extending backwards is rotatably connected to the rear end face of the working chamber 60, a working gear 58 is fixedly connected to the front end face of the working transmission shaft 57, the working gear 58 is engaged with the rack 59, a knob 36 is fixedly connected to the rear end face of the working transmission shaft 57, a heat conducting rod 34 is fixedly connected to the lower end wall of the gas stove 35, and a gas box 33 is fixedly connected to the upper end face of, the heat conducting rod 34 is positioned in the air box 33, the lower end surface of the air box 33 is fixedly connected with a through pipe 32, a moving cavity 28 is fixedly connected with the lower end surface of the through pipe 32, a moving block 29 is slidably connected in the moving cavity 28, a trigger tensioning rope 31 is fixedly connected with the end face of the right side of the moving block 29, a trigger spring 30 is fixedly connected between the end face of the right side of the moving block 29 and the end face of the right side of the moving cavity 28, the front end face of the working cavity 60 is fixedly connected with a sliding cavity 80, the sliding cavity 80 is internally and slidably connected with a sliding block 39, the trigger tensioning rope 31 is fixedly connected with the left end surface of the sliding block 39, a working spring 61 is fixedly connected between the left end surface of the sliding block 39 and the left end surface of the sliding cavity 80, the end face of the rear side of the sliding block 39 is fixedly connected with a press block 81, and the end face of the left side of the personal motor 63 is fixedly connected with a switch button 62.

The use steps of a gas appliance capable of leakage protection and automatic switch off in this context are described in detail below with reference to fig. 1 to 4:

before starting, the valve body 72 closes the valve pipe 14, the safety spring 43 is in a stretched state, the safety tension rope 45 is in a tensioned state, the pushing spring 38 is in a compressed state, the through hole 40 is not communicated with the working pipe 42, the working pipe 42 is not communicated with the auxiliary pipe 50, the monitoring spring 53 is in a normal state, the emergency tension rope 54 is in a loosened state, the switching spring 71 is in a stretched state, the bevel gear 67 is not meshed with the auxiliary bevel gear 66, the trigger spring 30 is in a stretched state, the trigger tension rope 31 is in a tensioned state, the working spring 61 is in a compressed state, and the trigger block 81 is not in contact with the switch button 62.

The device starts to work, when the device is normally used, the valve switch 78 is turned on, the valve switch 78 rotates to drive the valve transmission shaft 73 to rotate, the valve transmission shaft 73 drives the lead screw 76 to rotate, the lead screw 76 drives the nut 75 to move upwards, the nut 75 drives the valve body 72 to move upwards, the valve body 72 opens the valve pipeline 14, the conveying device 18 starts to convey gas, the gas is conveyed to the valve pipeline 14 through the gas outlet pipe 17, conveyed to the filter pipe 12 through the valve pipeline 14 and conveyed into the filter box 55 through the filter pipe 12, the gas in the filter box 55 is filtered through the gas filter screen 56, pipeline impurities carried in gas conveying are removed, the using effect of the gas is improved, and the filtered gas is conveyed into the safety cavity 44 through the auxiliary pipe 50, under the normal condition of gas, the push plate 46 is pushed to move leftwards under the action of gas pressure, the safety spring 43 becomes compressed, the safety tension rope 45 becomes loose, the working tube 42 is communicated with the safety chamber 44, so that the working pipe 42 is connected to the auxiliary pipe 50, the gas is supplied from the auxiliary pipe 50 to the working pipe 42, at the same time, the pushing spring 38 becomes a stretching state, the pushing spring 38 drives the isolating plate 41 to move to the right, the isolating plate 41 drives the through hole 40 to move rightwards, the through hole 40 and the working pipe 42 become a communicated state, the gas in the working pipe 42 is conveyed into the gas stove 35 for use, through gas filter screen 56 filters gas, gets rid of impurity and improves the usability, opens through push pedal 46 control gas normal conditions simultaneously and carries the use.

When the device is normally used, the conveying device 18 conveys the fuel gas, the auxiliary pipe 50 conveys the fuel gas, the pressure of the fuel gas in the auxiliary pipe 50 is normal, the fuel gas in the auxiliary pipe 50 touches the monitoring plate 52 through the lower flow pipe 51, when sudden fuel gas leakage occurs, the pressure of the fuel gas in the auxiliary pipe 50 is reduced, the touch pressure of the fuel gas in the lower flow pipe 51 on the monitoring plate 52 is reduced, the monitoring spring 53 is changed into a stretching state, the monitoring spring 53 drives the monitoring plate 52 to move upwards, the emergency tensioning rope 54 is changed into a tensioning state, the switching spring 71 is changed into a compressing state, the switching spring 71 drives the emergency motor base 69 to move rightwards, the emergency motor base 69 drives the emergency motor shaft 25 to move rightwards, the bevel gear 67 and the auxiliary bevel gear 66 are in meshed connection, the emergency motor 70 is started, the emergency motor 70 drives the emergency motor shaft 25 to rotate, the emergency motor shaft 25 drives the bevel gear 67 to rotate, the bevel gear 67 drives the bevel pinion 66 to rotate, the bevel pinion 66 drives the transition shaft 23 to rotate, the transition shaft 23 drives the main gear 21 to rotate, the main gear 21 is meshed with the pinion 77, the main gear 21 drives the pinion 77 to rotate, the pinion 77 drives the valve transmission shaft 73 to rotate, the valve transmission shaft 73 drives the lead screw 76 to rotate, the lead screw 76 drives the nut 75 to move downwards, the nut 75 drives the valve body 72 to move downwards, the valve body 72 emergently closes the valve pipeline 14, the nut 75 moves to the lowest position of the valve transmission shaft 73 and is connected with the lead screw 76, and meanwhile, the emergency motor shaft 25 drives the fan 24 to rotate, the fan 24 rotates to ventilate air in the conveying cavity 19, so that accidents caused by excessive accumulation of leaked fuel gas are prevented, and the air filter screen 26 filters air to prevent harmful gas from being discharged and endangering human health.

When the gas stove 35 works normally, the knob 36 is turned on to work, the knob 36 is turned to drive the working transmission shaft 57 to rotate, the working transmission shaft 57 drives the working gear 58 to rotate, the working gear 58 is meshed with the rack 59, the working gear 58 drives the rack 59 to move rightwards, the rack 59 moves rightwards for a certain distance, when people forget to close for a long time, the gas stove 35 is burnt by gas, temperature is gradually generated, the temperature is gradually increased, high temperature is generated to conduct heat through the heat conducting rod 34, the heat conducting rod 34 conducts heat to generate hot gas to heat the gas in the gas box 33, the gas in the gas box 33 expands under the principle of thermal expansion and cold contraction, and the moving block 29 is pushed to move rightwards from the position where the gas box 33 flows to the moving cavity 28 through the through pipe 32, the trigger spring 30 is changed into a compressed state, the trigger tensioning rope 31 is changed into a loosened state, the working spring 61 is changed into a stretched state, the working spring 61 drives the sliding block 39 to move rightwards, the sliding block 39 drives the contact pressing block 81 to move rightwards, the contact pressing block 81 moves rightwards to contact the switch button 62, the clothing motor 63 is started, the clothing motor 63 drives the clothing motor shaft 64 to rotate, the clothing motor shaft 64 drives the cam 65 to rotate, the cam 65 contacts the rack 59 to extrude the rack 59, the rack 59 moves leftwards to reset, the rack 59 drives the working gear 58 to rotate, the working gear 58 drives the working transmission shaft 57 to rotate, the working transmission shaft 57 drives the knob 36 to rotate, and the knob 36 rotates to reset, the gas stove 35 is closed to work, gas combustion is closed, when the gas stove 35 is not closed after being used for a long time, the knob 36 is automatically rotated to be closed, and therefore fire accidents are prevented from happening, and people are prevented from being injured.

In the above manner, a person skilled in the art can make various changes depending on the operation mode within the scope of the present invention.

Claims

1. The utility model provides a can leak protection and self-closing switch's gas equipment, includes the equipment box, its characterized in that: the device comprises a device box body, wherein a conveying cavity is fixedly connected to the lower side end wall of the device box body, a conveying device is arranged in the conveying cavity and used for providing fuel gas for conveying, the conveying device comprises conveying equipment fixedly connected to the lower side end surface of the conveying cavity, an outlet pipe is fixedly connected to the right side end wall of the conveying device, a main valve box is fixedly connected to the right side end surface of the outlet pipe, a valve device is arranged in the main valve box and used for controlling the conveying of the fuel gas, a filter pipe is fixedly connected to the right side end wall of the main valve box, a filter box is fixedly connected to the lower side end surface of the conveying cavity, the left side end wall of the filter box is fixedly connected with the filter pipe, a fuel gas filter screen is arranged in the filter box, seal rings are fixedly connected between the upper side end surface and the lower, the upper end wall of the equipment box body is fixedly connected with an auxiliary cavity, the lower end surface of the auxiliary cavity is fixedly connected with a safety box, the safety box is internally provided with a safety cavity, the right end surface of the safety cavity is fixedly connected with the auxiliary tube, the upper end surface of the auxiliary tube is fixedly connected with an upper flow tube, the upper end surface of the upper flow tube is fixedly connected with a barometer, the safety cavity is internally and slidably connected with a push plate, the left end surface of the push plate is fixedly connected with a safety tensioning rope, a safety spring is fixedly connected between the left end surface of the push plate and the left end surface of the safety cavity, the upper end surface of the safety cavity is fixedly connected with a working tube, the upper end wall of the equipment box body is fixedly connected with a motion cavity, the motion cavity is internally and slidably connected with an isolation plate, the, the gas stove comprises an insulation plate, a movement cavity, a gas stove, a closing device, a conveying cavity, a detection pipeline and a gas stove, wherein the insulation plate is arranged on the left end face of the movement cavity, the movement cavity is provided with a pushing spring, the working pipe is internally connected with the insulation plate in a sliding mode, the equipment box is fixedly connected with the gas stove on the upper end wall, the gas stove on the lower end wall is fixedly connected with the working pipe, the gas stove is internally provided with the closing device, the closing device is used for automatically closing a knob of the gas stove, the conveying cavity.

2. A gas appliance capable of leakage protection and automatic closing of a switch as claimed in claim 1, wherein: the valve device comprises a main valve box fixedly connected with the lower side end face of the conveying cavity, a valve cavity is arranged in the main valve box, the left side end face of the valve cavity is fixedly connected with a valve pipeline, the left side end face of the valve pipeline is fixedly connected with the outlet pipe, the right side end face of the valve pipeline is fixedly connected with the filter pipe, the valve pipeline is fixedly connected with two sealing rings with symmetrical left and right positions, the upper side end face of the valve cavity is rotatably connected with an upwardly extending valve transmission shaft, the valve transmission shaft is fixedly connected with a lead screw, the lead screw is rotatably connected with a nut, the upper side end face of the valve cavity is fixedly connected with two clapboards with symmetrical left and right positions, the nut is positioned between the clapboards, the lower side end face of the nut is fixedly connected with a valve body, and, the valve body with fixedly connected with between the valve pipeline up end face the sealing washer, valve transmission shaft upside terminal surface fixed connection has the valve switch, fixedly connected with pinion on the valve transmission shaft, main valve case upside end wall fixedly connected with auxiliary tank, the pinion is located in the auxiliary tank.

3. A gas appliance capable of leakage protection and automatic closing of a switch as claimed in claim 1, wherein: the safety device comprises a transmission case fixedly connected to the upper end face of the conveying cavity, a transmission cavity is arranged in the transmission case, the lower end face of the transmission cavity is connected with an emergency motor base in a sliding mode, the left end face of the emergency motor base is connected with an emergency motor shaft extending leftwards in a rotating mode, the emergency motor shaft is connected with an emergency motor fixedly connected in the emergency motor base in a power mode, a bevel gear is fixedly connected to the emergency motor shaft, the lower end face of the transmission cavity is connected with a transition shaft extending downwards in a rotating mode, an auxiliary bevel gear is fixedly connected to the upper end face of the transition shaft, the auxiliary bevel gear and the bevel gear can be connected in a meshing mode, a main gear is fixedly connected to the lower end face of the transition shaft and located in the auxiliary case, the main gear is connected with the auxiliary gear in a meshing mode, and a fan is fixedly connected to the, the emergency tensioning device comprises an equipment box body, a fan, an air filter screen, an emergency motor base, a switching spring, a lower flow pipe, a monitoring plate, a lower side end face of the monitoring plate, and a monitoring spring, wherein the air filter screen is fixedly connected to the upper side end face of the air exchange port, the emergency tensioning rope is fixedly connected to the right side end face of the emergency motor base, the switching spring is fixedly connected between the right side end face of the emergency motor base and the right side end face of a transmission cavity, the lower side end face of the auxiliary pipe is fixedly connected with the lower flow pipe, the monitoring plate is slidably connected with the monitoring plate, the emergency tensioning rope is fixedly connected to the lower side end face.

4. A gas appliance capable of leakage protection and automatic closing of a switch as claimed in claim 1, wherein: the closing device comprises a gas stove fixedly connected with the end wall of the upper side of the equipment box body, a working cavity is arranged in the gas stove, the front end face of the working cavity is fixedly connected with a clothes motor, the rear end face of the clothes motor is in power connection with a clothes motor shaft extending backwards, the rear end face of the clothes motor shaft is fixedly connected with a cam, the lower end face of the working cavity is in sliding connection with a rack, the rear end face of the working cavity is in rotating connection with a working transmission shaft extending backwards, the front end face of the working transmission shaft is fixedly connected with a working gear, the working gear is in meshing connection with the rack, the rear end face of the working transmission shaft is fixedly connected with a knob, the lower end wall of the gas stove is fixedly connected with a heat conducting rod, the upper end face of the auxiliary cavity is fixedly connected with an air box, the heat conducting rod is positioned, the improved special suit comprises a through pipe, a moving block, a sliding block and a sliding block, and is characterized in that a moving cavity is fixedly connected to the lower side end face of the through pipe, the moving block is slidably connected to the moving block, a tensioning rope is triggered by the right side end face of the moving block, a triggering spring is fixedly connected between the right side end faces of the moving cavity, a sliding cavity is fixedly connected to the front side end face of the working cavity, a sliding block is slidably connected to the sliding cavity, the tensioning rope is triggered by the left side end face of the sliding block, a working spring is fixedly connected between the left side end faces of the sliding cavity, a contact block is fixedly connected to the rear side end face of the.