CN112361384A

CN112361384A - Device for automatically shutting fire in stove and preventing gas leakage

Info

Publication number: CN112361384A
Application number: CN202011349681.4A
Authority: CN
Inventors: 冯小曹
Original assignee: Tianjin Hanjie Commodity Co ltd
Current assignee: Tianjin Hanjie Commodity Co ltd
Priority date: 2020-11-26
Filing date: 2020-11-26
Publication date: 2021-02-12

Abstract

The invention relates to the technical field of household cooking ranges, in particular to a device for preventing gas leakage by automatically shutting off fire in a cooking range, which comprises a body and a cooking range chamber, wherein the cooking range chamber is positioned in the body and provided with an upward opening, pot bodies for boiling soup are fixedly arranged in the left side end wall and the right side end wall of the cooking range chamber, a gas stove is fixedly arranged in the bottom wall of the cooking range chamber, a gas detector for detecting the gas leakage condition in the gas stove is arranged in the lower side end wall of the gas stove, and a first transmission cavity is arranged in the right side end wall of the body. And the gas in the gas cavity is discharged after being cooled by the exhaust device, so that the safety of the device is improved.

Description

Device for automatically shutting fire in stove and preventing gas leakage

Technical Field

The invention relates to the technical field of household stoves, in particular to a device for automatically shutting off fire in a stove and preventing gas leakage.

Background

In the life, the domestic stove has made things convenient for people's life at to a great extent, makes people can use the kitchen range in the short time in the life and obtains the biggest convenience, and in the in-process of using, the user forgets easily to close the kitchen range just before leaving the kitchen range, and long-time unmanned guard easily produces the accident in the culinary art in-process, takes place the dangerous condition such as explosion, therefore needs to design a device that is used for automatic shut-off fire in the kitchen range to prevent that coal gas from revealing to improve above-mentioned problem.

Disclosure of Invention

The invention aims to provide a device for automatically shutting off fire in a stove to prevent gas leakage, which can overcome the defects of the prior art and improve the practicability of equipment.

The technical scheme adopted by the invention for solving the technical problems is as follows: the invention relates to a device for automatically shutting fire and preventing gas leakage in a stove, which comprises a machine body and a boiler chamber, wherein the boiler chamber is positioned in the machine body and provided with an upward opening, a boiler body for boiling soup is fixedly arranged in the end walls on the left side and the right side of the boiler chamber, a gas stove is fixedly arranged in the bottom wall of the boiler chamber, a gas detector for detecting the gas leakage condition in the gas stove is arranged in the end wall on the lower side of the gas stove, a first transmission cavity is arranged in the end wall on the right side of the machine body, a transmission device which utilizes a rotatable rotating wheel to electrify when the gas detector detects that the gas is increased after the gas stove is closed is arranged in the first transmission cavity, an alarm cavity is arranged in the end wall on the right side of the first transmission cavity, and an alarm device which is used for triggering an alarm lamp fixedly arranged on the, an air extractor connected with the boiler chamber through an air hole is arranged in the left lower side end wall of the boiler chamber, the exhaust device is internally provided with a discharge device which utilizes a rotatable exhaust fan to exhaust the residual coal gas in the boiler cavity to a gas pipe communicated with the right end wall when the transmission device is started, the lower side end wall of the boiler chamber is communicated with a cooling chamber which is symmetrical left and right and is filled with cooling gas through a cooling pipe, used for cooling the gas stove, a detection cavity with a right opening is arranged in the end wall of the left side of the boiler cavity, a water level detector which can move up and down and is used for detecting the water level change condition in the pot body is arranged in the detection cavity, the detection cavity is internally provided with a detection device which is driven by the up-and-down movement of the water level detector to drive the pot cover in the switch cavity with a rightward opening in the upper side end wall to rotate to open and close so as to prevent the overflow of boiling water with overhigh pressure.

Further, the detection device comprises a rotatable roller, the inner surface and the outer surface of the roller are provided with a through groove which is provided with an outward opening and is matched with a round pin fixedly arranged at the left end of the water level detector, a main shaft of the roller extends upwards into the switch cavity, the tail end of the main shaft of the roller is fixedly provided with a first gear, a second gear meshed with the first gear is rotatably arranged in the switch cavity, the cooker cover is positioned on the outer surface of a rotatable first worm gear, the first worm gear is meshed with a main shaft of the second gear, namely a first worm, the main shaft of the roller extends downwards and is in power connection with a rotary cylinder embedded in the bottom wall of the detection cavity, an air cavity is arranged in the end wall of the left side of the cooker body, an air bag connected with the rotary cylinder is fixedly arranged at the end wall of the left side of the air cavity, the top wall of the extrusion plate is fixedly provided with a connecting rod, the connecting rod extends upwards into a first moving cavity, the tail end of the connecting rod is fixedly provided with a first magnetic block, a first spring is elastically connected between the first magnetic block and the bottom wall of the first moving cavity, and the top wall of the first moving cavity is fixedly provided with a first electromagnet which is connected with the water level first detector through a first electric wire and has the same-grade repelling magnetism as that of the first magnetic block.

Further, a motor is embedded in the top wall of the first transmission cavity, the outer surface of the motor spindle extending downwards is fixedly provided with the rotating wheel, the outer surface of the rotating wheel is fixedly provided with a first current conducting plate connected with the gas detector through a second electric wire, the tail end of the motor spindle is rotatably arranged on a first moving block, the transmission device comprises a second moving block elastically connected with the first moving block through a second spring, the bottom wall of the first moving block is fixedly provided with a second magnetic block, the top wall of the second moving block is fixedly provided with a second electromagnet attracting the second magnetic block after being electrified, the second electric wire is connected with the second electromagnet, a spline sleeve shaft is rotatably arranged in the second moving block, a spline shaft is in spline fit connection with the inner surface of the spline sleeve shaft, the spline shaft extends downwards into the second moving cavity, and a cam is fixedly arranged on the outer surface of the spline shaft, the second movable cavity is rotatably provided with a push rod, a third spring is elastically connected between the push rod and the left end wall of the second movable cavity, the push rod extends leftwards into the boiler cavity, and the tail end of the push rod is fixedly provided with a push block used for extinguishing flame on the surface of the gas stove.

Furthermore, the spline shaft extends into a second transmission cavity, a rotating rod is fixedly arranged at the tail end of the spline shaft, a rotating wheel is rotatably arranged in the second transmission cavity, the rotating rod is positioned in the tooth form on the outer surface of the rotating wheel and used for stirring the rotating wheel to rotate intermittently, a main shaft of the rotating wheel, namely a second worm, extends leftwards into a third transmission cavity, a second worm wheel which is bilaterally symmetrical is meshed at the rear side of the main shaft of the rotating wheel, the main shaft of the second worm wheel extends upwards into the rotating cavity, a third gear is fixedly arranged at the tail end of the main shaft, a third moving block which can move forwards and backwards is arranged in the cooling cavity, a rocker is hinged between the third moving block and the third gear, a check valve is fixedly arranged on the outer surface of the cooling pipe, the second worm extends into the gear cavity, a first bevel gear is fixedly arranged on the outer, the second bevel gear main shaft upwards extends to the intracavity of bleeding, and the surface has set firmly the winding wheel, and the end has set firmly the fan of bleeding, winding wheel surface winding stay cord extends to the shifting chute right in, with can remove in the shifting chute and control and shutoff the baffle fixed connection of cooling tube, be equipped with bilateral symmetry in the baffle be used for with the breach of cooling tube coincidence through-flow cooling gas, the baffle with elastic connection has the fourth spring between the shifting chute right side end wall.

Further, the alarm device including set firmly in the tin pig of alarm chamber left and right side end wall, be equipped with in the alarm chamber bottom wall with the biography electric block of alarm lamp electricity federation, be equipped with in the first transmission intracavity with the second current conducting plate of tin pig electricity federation is used for triggering the alarm lamp scintillation.

The invention has the beneficial effects that: the invention provides a device for automatically shutting off fire in a stove and preventing gas leakage, which detects whether the water level in a pot reaches a set height value through a water level detector, releases an opening through extrusion of a push block on an air bag after detection, prevents the water level from overflowing due to overhigh temperature, triggers an alarm through electrifying a fuel gas detector to heat and liquefy a tin block to trigger gas leakage, cools and discharges fuel gas in a fuel gas cavity through an exhaust device, and improves the safety of the device.

Drawings

In order to more clearly illustrate the embodiments of the invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the invention, and it is obvious for those skilled in the art that other drawings can be obtained based on these drawings without creative efforts.

The invention is further illustrated with reference to the following figures and examples.

Fig. 1 is a schematic view showing the overall structure of an apparatus for automatically shutting down a fire in a range to prevent gas leakage according to the present invention.

Fig. 2 is a schematic view of the structure a-a in fig. 1.

FIG. 3 is a schematic diagram of B-B in FIG. 1.

Fig. 4 is a schematic view of the structure of C-C in fig. 1.

Fig. 5 is a schematic view of the alarm device of fig. 1.

Detailed Description

The invention will now be described in detail with reference to fig. 1-5, wherein for ease of description the orientations described hereinafter are now defined as follows: 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.

With reference to fig. 1-5, the device for automatically turning off fire and preventing gas leakage in a cooking stove comprises a body 10 and a cooking chamber 20 with an upward opening in the body 10, a pot body 21 for boiling soup is fixedly arranged in the end walls of the left side and the right side of the cooking chamber 20, a gas stove 90 is fixedly arranged in the bottom wall of the cooking chamber 21, a gas detector 91 for detecting the gas leakage condition in the gas stove 90 is arranged in the end wall of the lower side of the gas stove 90, a first transmission cavity 25 is arranged in the end wall of the right side of the body 10, a transmission device 201 which is powered on by a rotatable rotating wheel 26 when the gas detector 91 detects that the gas stove 90 is still turned off and the gas is increased is arranged in the first transmission cavity 25, an alarm cavity 97 is arranged in the end wall of the right side of the first transmission cavity 25, and an alarm device 204 which is used for triggering an alarm lamp 30 fixedly arranged on the right wall of the body 10 when the transmission device 201 is started, an air exhaust device 202 connected with the boiler cavity 11 through an air hole 84 is arranged in the left lower side end wall of the boiler cavity 20, the exhaust device 202 is internally provided with a discharge device 202 which utilizes the rotatable exhaust fan 78 to exhaust the residual coal gas in the boiler chamber 20 to the air pipe 75 communicated with the right end wall for discharging when the transmission device 201 is started, the inner side wall of the lower side of the boiler chamber 20 is communicated with a cooling chamber 56 which is symmetrical left and right and is filled with cooling gas through a cooling pipe 95, for cooling the gas stove 90, a detection chamber 70 with a right opening is arranged in the end wall of the left side of the boiler chamber 20, a water level detector 75 which can move up and down and is used for detecting the water level change condition in the pot body 21 is arranged in the detection cavity 70, the detection chamber 70 is provided with a detection device 203 which drives the pot cover 19 in the switch chamber 11 with an opening towards the right arranged in the upper side end wall to rotate and open and close through the up-and-down movement of the water level detector 75 so as to prevent the overflow of the boiling water due to overhigh pressure.

Advantageously, the detecting device 203 comprises a rotatable roller 71, the inner and outer surfaces of the roller 71 are provided with through grooves 72 which are opened outwards and matched with round pins fixedly arranged at the left end of the water level detector 75, the main shaft of the roller 71 extends upwards into the switch cavity 11, the tail end of the roller is fixedly provided with a first gear 12, a second gear 14 meshed with the first gear 12 is rotatably arranged in the switch cavity 11, the cooker cover 19 is arranged on the outer surface of a rotatable first worm gear 15, the first worm gear 15 is meshed with the main shaft of the second gear 14, namely a first worm 13, the main shaft of the roller 71 extends downwards and is in power connection with a rotating cylinder 73 embedded in the bottom wall of the detecting cavity 70, an air cavity 62 is arranged in the end wall of the left side of the body 10, air bags 69 connected with the rotating cylinder 73 are fixedly arranged at the walls of the left and right side ends of the air cavity 62, a valve 60 is, a squeezing plate 69 is arranged in the air cavity 62 and can move up and down, a connecting rod 67 is fixedly arranged on the top wall of the squeezing plate 69, the connecting rod 67 extends upwards into a first moving cavity 68, a first magnetic block 63 is fixedly arranged at the tail end of the connecting rod 67, a first spring 65 is elastically connected between the first magnetic block 63 and the bottom wall of the first moving cavity 68, and a first electromagnet 61 which is connected with the water level first detector 75 through a first electric wire 76 and is magnetically repellent in the same grade with the first magnetic block 63 is fixedly arranged on the top wall of the first moving cavity 68.

Beneficially, a motor 66 is embedded in the top wall of the first transmission cavity 25, the outer surface of the downward extension of the main shaft of the motor 66 is fixedly provided with the rotating wheel 26, the outer surface of the rotating wheel 26 is fixedly provided with a first conductive plate 29 connected with the gas detector 91 through a second electric wire 28, the tail end of the main shaft of the motor 66 is rotatably arranged on a first moving block 35, the transmission device 201 comprises a second moving block 39 elastically connected with the first moving block 35 through a second spring 37, the bottom wall of the first moving block 35 is fixedly provided with a second magnetic block 36, the top wall of the second moving block 39 is fixedly provided with a second electromagnet 38 attracting the second magnetic block 36 after being electrified, the second electric wire 28 is connected with the second electromagnet 38, the second moving block 39 is rotatably provided with a spline sleeve shaft 40, the inner surface of the spline sleeve shaft 40 is connected with a spline shaft 41 in a spline fit manner, and the spline shaft 41 extends downward through the second moving cavity 43, the outer surface is fixedly provided with a cam 42, a push rod 44 is rotatably arranged in the second movable cavity 43, a third spring 45 is elastically connected between the push rod 44 and the left end wall of the second movable cavity 43, the push rod 44 extends leftwards into the boiler cavity 20, and the tail end is fixedly provided with a push block 46 for extinguishing the flame on the surface of the gas stove 90.

Beneficially, the spline shaft 41 extends into the second transmission cavity 51, the tail end of the spline shaft is fixedly provided with a rotating rod 52, the second transmission cavity 51 is rotatably provided with a rotating wheel 50, the rotating rod 52 is located in the tooth form on the outer surface of the rotating wheel 50 and is used for stirring the rotating wheel 50 to intermittently rotate, the main shaft of the rotating wheel 50, namely a second worm 86 extends leftwards and extends through the third transmission cavity 85, the rear side of the rotating wheel is engaged with a second worm gear 87 which is bilaterally symmetrical, the main shaft of the second worm gear 87 extends upwards into the rotating cavity 53, the tail end of the rotating wheel is fixedly provided with a third gear 55, the cooling cavity 56 is internally provided with a third moving block 58 which can move forwards and backwards, a rocker 54 is hinged between the third moving block 58 and the third gear 55, the outer surface of the cooling pipe 95 is fixedly provided with a one-way valve 57, the second worm 86 extends into the gear cavity 81, the rotatable second bevel gear 83 that is provided with in the gear chamber 81 with first bevel gear 82 meshing, second bevel gear 83 main shaft upwards extends to in the aspirating chamber 77, and the surface sets firmly winding wheel 78, and the end sets firmly the extraction fan 78, winding wheel 78 surface winding stay cord 80 extends to the shifting chute 47 in the right side, with can remove about in the shifting chute 47 and shutoff the baffle 88 fixed connection of cooling tube 95, be equipped with bilateral symmetry in the baffle 88 be used for with cooling tube 95 coincidence through-flow cooling gas's breach 89, baffle 88 with elastic connection has fourth spring 49 between the wall of shifting chute 47 right side.

Advantageously, the alarm device 204 comprises solder bumps 32 fixedly arranged on the left and right side end walls of the alarm cavity 97, a power transmission block 33 electrically connected with the alarm lamp 30 is arranged in the bottom wall of the alarm cavity 97, and a second conductive plate 27 electrically connected with the solder bumps 32 is arranged in the first power transmission cavity 25 for triggering the alarm lamp 30 to flash.

The fixing and connecting method in this embodiment includes, but is not limited to, bolting, welding, and the like.

Sequence of mechanical actions of the whole device:

when the device of the invention works, the rotating cylinder 73 is started to drive the first gear 12 to rotate, so as to drive the second gear 14 to rotate, so as to drive the first worm gear 15 to rotate, so that the pot cover 19 is rotated and opened, soup to be cooked is put into the pot body 21, then the rotating cylinder 73 is started to reset, the opening of the gas stove 90 is started to heat soup, when the water level of the soup in the pot body 21 reaches the height detected by the water level detector 75, the first electromagnet 61 is electrified, the first magnetic block 63 moves downwards through the principle of same-level repulsion, so as to drive the pressure accumulation block 69 to move downwards to extrude the air bag 69, gas flows into the rotating cylinder 73 to rotate the first gear 12, so as to drive the pot cover 19 to open, at this time, the water level detector 75 is positioned at the bottom wall of the first moving cavity 70 due to the rotation of the roller 71, when the water level in the pot body 21 is lowered to a position below the water level detector 75, the water level detector 75 is not electrified, the pot cover 19 is opened to prevent the water level in the pot body 21 from overflowing due to overhigh temperature, the gas stove 90 is closed after soup materials are taken away, the gas detector 91 and the motor 66 are simultaneously opened, the second electric wire 28 is electrified after the gas detector 91 detects that the gas value in the pot cavity 20 is increased, the first moving block 35 and the second moving block 39 are mutually attracted and contacted under the condition that the second electromagnet 38 is electrified, the spline shaft 41 rotates to drive the cam 42 to rotate, so that the push block 46 is driven to move left to extinguish the burning stars on the surface of the gas stove 90 due to gas leakage, the rotating rod 52 rotates to drive the rotating wheel 50 to rotate, so that the second worm wheel 87 is driven to rotate, thereby driving the third gear 55 to rotate, thereby driving the third moving block 58 to push the cooling gas into the cooling pipe 95, because the existence of the one-way valve 57 prevents the cooling gas from flowing downwards, the first bevel gear 82 rotates to drive the second bevel gear 83 to rotate, thereby driving the pumping fan 78 and the winding wheel 78 to rotate, the winding wheel 78 intermittently rotates, simultaneously, the pulling rope 80 pulls the baffle plate 88 to reciprocate from side to side, so that the gap 89 and the cooling pipe 95 intermittently communicate with each other to place the cooling gas flow into the boiler chamber 20, thereby cooling the gas stove 90 against overheating, the pumping fan 78 rotates to pump the gas into the exhaust pipe 75 for safe discharge, the rotating wheel 26 rotates to contact the first conductive plate 29 with the second conductive plate 27, at this time, the first conductive plate 29 is electrified, when the gas value reaches a certain degree, since the gas detector 91 is continuously powered into the tin block 32, the tin block 32 is melted into liquid due to low melting point, and the electricity transmission block 33 is conductive, so that the alarm lamp 30 flashes to inform outside personnel that the gas stove 90 needs to be repaired.

The above embodiments are merely illustrative of the technical ideas and features of the present invention, and the purpose thereof is to enable those skilled in the art to understand the contents of the present invention and implement the present invention, and not to limit the protection scope of the present invention. All equivalent changes and modifications made according to the spirit of the present invention should be covered within the protection scope of the present invention.

Claims

1. The utility model provides a device that is used for automatic fire of turning off in kitchen range to prevent gas leakage, includes the fuselage and is located the ascending boiler chamber of opening in the fuselage, its characterized in that: the boiler comprises a boiler chamber, a boiler body used for boiling soup, a gas stove, a gas detector, a first transmission chamber, an alarm device, an air exhaust device and a rotary exhaust fan, wherein the boiler body is fixedly arranged in the left end wall and the right end wall of the boiler chamber, the gas stove is fixedly arranged in the bottom wall of the boiler chamber, the gas detector is arranged in the lower end wall of the gas stove and used for detecting the gas leakage condition in the gas stove, the first transmission chamber is arranged in the right end wall of a machine body, the first transmission chamber is internally provided with the transmission device which is used for electrifying by the rotary rotating wheel when the gas detector detects that the gas stove is still turned off and the gas is increased, the alarm chamber is internally provided with the alarm device which is used for triggering the alarm lamp fixedly arranged at the right end wall of the machine body when the transmission device is started, the air exhaust device connected with the boiler chamber through an air hole is arranged in the lower The utility model discloses a gas stove, including boiler chamber, end wall, cooling pipe intercommunication have bilateral symmetry's cooling chamber that is equipped with cooling gas in the trachea of intercommunication in the end wall, be used for doing the gas stove cools down, be equipped with the detection chamber of opening right in the end wall of boiler chamber left side, it can reciprocate to be used for detecting to detect the intracavity water level detector of the internal water level situation of pot, it is equipped with through water level detector's reciprocating drive pot cover in the switch intracavity of opening right that is equipped with in the side end wall rotates the switching to prevent the detection device that boiling water pressure excesses to the high pressure to detect the intracavity.

2. The apparatus for automatically shutting down a fire in a range to prevent gas leakage of claim 1, wherein: the detection device comprises a rotatable roller, a through groove with an outward opening and matched with a round pin fixedly arranged at the left end of the water level detector is arranged on the inner surface and the outer surface of the roller, a main shaft of the roller extends upwards into the switch cavity, a first gear is fixedly arranged at the tail end of the main shaft, a second gear meshed with the first gear is rotatably arranged in the switch cavity, the cooker cover is arranged on the outer surface of a rotatable first worm gear, the first worm gear is meshed with a main shaft of the second gear, namely a first worm, the main shaft of the roller extends downwards and is in power connection with a rotary cylinder embedded in the bottom wall of the detection cavity, an air cavity is arranged in the end wall at the left side of the cooker body, an air bag connected with the rotary cylinder is fixedly arranged at the end wall at the left side of the air cavity, a valve is arranged in the end wall at the left side, the connecting rod extends upwards to a first moving cavity, a first magnetic block is fixedly arranged at the tail end of the connecting rod, a first spring is elastically connected between the first magnetic block and the bottom wall of the first moving cavity, and a first electromagnet which is connected with the water level first detector through a first wire and is in the same magnetic grade repulsion with the first magnetic block is fixedly arranged at the top wall of the first moving cavity.

3. The apparatus for automatically shutting down a fire in a range to prevent gas leakage of claim 1, wherein: a motor is embedded in the top wall of the first transmission cavity, the outer surface of the motor spindle extending downwards is fixedly provided with the rotating wheel, the outer surface of the rotating wheel is fixedly provided with a first current conducting plate connected with the gas detector through a second electric wire, the tail end of the motor spindle is rotatably arranged on a first moving block, the transmission device comprises a second moving block elastically connected with the first moving block through a second spring, the bottom wall of the first moving block is fixedly provided with a second magnetic block, the top wall of the second moving block is fixedly provided with a second electromagnet which is attracted with the second magnetic block after being electrified, the second electric wire is connected with the second electromagnet, the second moving block is internally provided with a spline sleeve shaft in a rotating manner, the inner surface of the spline sleeve shaft is in spline fit connection with a spline shaft, the spline shaft extends downwards through the second moving cavity, the outer surface of the spline shaft is fixedly provided with a cam, and a third spring is elastically connected between the push rod and the left end wall of the second movable cavity, the push rod extends leftwards into the boiler cavity, and the tail end of the push rod is fixedly provided with a push block for extinguishing flame on the surface of the gas stove.

4. The apparatus for automatically shutting down a fire in a range to prevent gas leakage of claim 1, wherein: the spline shaft extends into a second transmission cavity, a rotating rod is fixedly arranged at the tail end of the spline shaft, a rotating wheel is rotatably arranged in the second transmission cavity, the rotating rod is positioned in the tooth profile on the outer surface of the rotating wheel and used for stirring the rotating wheel to rotate intermittently, a main shaft of the rotating wheel, namely a second worm, extends leftwards into a third transmission cavity, a second worm wheel which is bilaterally symmetrical is meshed at the rear side of the main shaft of the rotating wheel, the main shaft of the second worm wheel extends upwards into the rotating cavity, a third gear is fixedly arranged at the tail end of the main shaft of the rotating wheel, a third moving block which can move forwards and backwards is arranged in the cooling cavity, a rocker is hinged between the third moving block and the third gear, a one-way valve is fixedly arranged on the outer surface of the cooling pipe, the second worm extends into the gear cavity, a first, the second bevel gear main shaft upwards extends to the intracavity of bleeding, and the surface has set firmly the winding wheel, and the end has set firmly the fan of bleeding, winding wheel surface winding stay cord extends to the shifting chute right in, with can remove in the shifting chute and control and shutoff the baffle fixed connection of cooling tube, be equipped with bilateral symmetry in the baffle be used for with the breach of cooling tube coincidence through-flow cooling gas, the baffle with elastic connection has the fourth spring between the shifting chute right side end wall.

5. The apparatus for automatically shutting down a fire in a range to prevent gas leakage of claim 1, wherein: the alarm device is including setting firmly in the tin pig of alarm chamber left and right side end wall, be equipped with in the alarm chamber bottom wall with the biography electric block of warning light electricity federation, first transmission intracavity be equipped with the second current conducting plate of tin pig electricity federation is used for triggering the warning light scintillation.