CN112576938A

CN112576938A - Emergency gas-cut-off safety device of gas equipment

Info

Publication number: CN112576938A
Application number: CN202011466010.6A
Authority: CN
Inventors: 党嘉强; 董文; 文斌
Original assignee: Liling Xinao Gas Co ltd
Current assignee: Liling Xinao Gas Co ltd
Priority date: 2020-12-13
Filing date: 2020-12-13
Publication date: 2021-03-30

Abstract

The invention discloses an emergency gas-cut-off safety device of gas equipment, which relates to the field of gas equipment and comprises a cooking bench, wherein a gas pipe is arranged inside the cooking bench, a gas seat is arranged above the inside of the cooking bench, the gas pipe is communicated with the gas seat, a gas-cut-off mechanism is arranged at the position of the gas pipe close to the gas seat, a monitoring mechanism is arranged at the position of the gas pipe far away from the gas seat, a locking mechanism is arranged inside a limiting seat, and a blowing mechanism is arranged inside a nitrogen pipe. When the device runs, the gas pressure in the gas pipe is monitored in real time by the monitoring mechanism, and the nitrogen in the nitrogen box enters the gas pipe through the nitrogen pipe by the communication between the second communication hole and the inside of the nitrogen pipe, so that the nitrogen is guided to the gas seat, the left gas in the gas pipe is discharged, the Huoli backflow is avoided, the fire is quickly extinguished by the nitrogen, and the device has an automatic gas cut-off behavior when a fire disaster occurs by the high-temperature fragmentity of the hot melting plate, so that the device is suitable for being popularized in a large scale.

Description

Emergency gas-cut-off safety device of gas equipment

Technical Field

The invention relates to the technical field of gas equipment, in particular to an emergency gas-cut-off safety device of the gas equipment.

Background

The gas equipment and pipe network are important facilities for ensuring reliable gas supply in cities, and the gas equipment and pipe network are used for conveying combustible media and are distributed at multiple points, so that the gas equipment and pipe network relate to gas supply of thousands of households. However, in the prior art, most of the gas apparatuses are controlled by an electrical control device, but the electrical control device is not very stable in case of a dangerous situation, and therefore, a gas apparatus emergency gas-off safety device with stable control and autonomous performance is needed.

Disclosure of Invention

The invention aims to solve the defects in the prior art and provides an emergency gas-cut-off safety device of gas equipment.

In order to achieve the purpose, the invention adopts the following technical scheme:

the utility model provides a gas equipment's urgent gas safety device that cuts off, includes the top of a kitchen range, the inside of top of a kitchen range is provided with the gas pipe, the inside top of a kitchen range is provided with the gas seat, gas pipe and gas seat intercommunication, the position department that the gas pipe is close to the gas seat is provided with disconnected gas mechanism, the position department that the gas seat was kept away from to the gas pipe is provided with monitoring mechanism, the middle section of gas pipe is provided with the solenoid valve, disconnected gas mechanism includes button, hinders chamber, hot melt plate, hinders board, first through-hole, second intercommunicating pore, spacing seat, nitrogen tank and nitrogen pipe, the position department that the inside of top of a kitchen range is close to the gas seat is provided with and hinders the chamber, the inside that hinders the chamber is provided with the button, the edge of button is provided with the hot melt plate, the avris lateral wall fixed connection in hot melt plate and the chamber of hindering, the below of button is provided with the board, Hot melt board and gas pipe, the middle part of blocking board is provided with first intercommunicating pore, the inside diameter of first intercommunicating pore and gas pipe is the same, the inside of top of a kitchen range is provided with the nitrogen gas case, the right side of nitrogen gas case is provided with the nitrogen gas pipe, the one end and the gas pipe fixed connection of nitrogen gas case are kept away from to the nitrogen gas pipe, the blocking board runs through the nitrogen gas pipe, the position department that blocks the board and be close to the nitrogen gas pipe is provided with the second intercommunicating pore, the inside diameter of second intercommunicating pore and nitrogen gas pipe is the same, the inside below of top of a kitchen range is provided with spacing seat, blocking board and spacing seat plug-in connection, the inside of spacing seat is provided with locking mechanism, the inside of nitrogen gas pipe is provided with.

As a still further scheme of the invention: the monitoring mechanism comprises an air inlet pipe, an air outlet pipe, a monitoring box, a sliding plate, a first spring, an adjusting plate and a sensor, wherein the monitoring box is arranged above the gas pipe, the input end of the monitoring box is communicated with the gas pipe through the air inlet pipe, the output end of the monitoring box is communicated with the gas pipe through the air outlet pipe, the sliding plate is connected with the monitoring box in a sliding and sealing mode, the first springs are arranged above the sliding plate, the adjusting plate is arranged at one end, away from the sliding plate, of each first spring, the adjusting plate is connected with the inner shell wall of the monitoring box in a sliding and sealing mode, the plurality of sensors are arranged inside the monitoring box, the sensors are interfered with the moving tracks of the sliding plate, the sensors are electrically connected with the electromagnetic valve, and the adjusting mechanism is arranged.

As a still further scheme of the invention: the adjusting mechanism comprises a rotating shaft, a rotating disc, a straight toothed bar and a rotating gear, the straight toothed bar is arranged above the adjusting plate, the rotating gear is meshed and connected to the front side of the straight toothed bar, the central shaft of the rotating gear is connected with the rotating shaft, the left end of the rotating shaft is rotatably connected with the inner shell wall of the monitoring box, the rotating shaft penetrates through the right shell wall of the monitoring box, and the rotating disc is arranged at one end, extending to the outside of the monitoring box, of the rotating shaft.

As a still further scheme of the invention: the blowing mechanism comprises a connecting shaft and rotating fan blades, the connecting shaft is arranged inside the nitrogen gas pipe and penetrates through the shell wall of the nitrogen gas pipe, a plurality of rotating fan blades are arranged at the edge of one end, located inside the nitrogen gas pipe, of the connecting shaft, and an alarm mechanism is arranged at one end, extending to the outside of the nitrogen gas pipe, of the connecting shaft.

As a still further scheme of the invention: the edge fixedly connected with connecting pipe of rotating the flabellum, the edge of connecting pipe is provided with a plurality of auxiliary flabellum.

As a still further scheme of the invention: the alarm mechanism comprises a driving helical gear, a cam, a driven helical gear, a first connecting plate, a touch rod, a second connecting plate, a second spring and a vibrating bell, wherein the driving helical gear is arranged at one end, extending to the outside of the nitrogen gas pipe, of the connecting shaft, the driven helical gear is connected with the driven helical gear in a meshed manner, the cam is arranged on the driven helical gear through a concentric shaft, the first connecting plate is arranged in the middle of the concentric shaft, the concentric shaft penetrates through the first connecting plate, the first connecting plate is fixedly connected with the inner shell wall of the cooking bench, the second connecting plate is arranged inside the first connecting plate, two touch rods are arranged on the second connecting plate, one touch rod is in touch connection with the cam, a plurality of second springs are fixedly connected below the second connecting plate, one ends of the second springs, far away from the second connecting plate, are fixedly connected with the shell wall of the first connecting plate, and a vibration bell is arranged above the touch rod, the vibration bell interferes with the motion track of the touch rod, and the vibration bell is fixedly connected with the inner shell wall of the cooking bench.

As a still further scheme of the invention: locking mechanism includes spacing chamber, third spring, gag lever post and spacing groove, the inside of spacing seat is provided with spacing chamber, the inside in spacing chamber is provided with the third spring, the one end that spacing chamber conch wall was kept away from to the third spring is provided with the gag lever post, the position department that blocks the board and is close to spacing seat is provided with a plurality of spacing groove.

The invention has the beneficial effects that:

1. through setting up the gas-break mechanism, when the apparatus is operated, utilize the monitoring mechanism to carry on the real-time supervision to the gas pressure in the gas pipe, when needing the gas-break, press the button, thus make the hot melt plate break, make the blocking plate inject into the inside of the spacing seat, carry on spacingly, make first intercommunicating hole and gas pipe misplace, thus block the supply of the gas, and utilize the inside intercommunication of second intercommunicating hole and nitrogen gas pipe, make the nitrogen gas in the nitrogen gas tank enter the gas pipe through the nitrogen gas pipe, thus lead the gas seat, and then discharge the remaining gas in the gas pipe, avoid jojobbing the flow back, and utilize nitrogen gas to speed up and put out a fire, utilize the high temperature fragmenting nature of the hot melt plate, when making the conflagration happen, the;

2. by arranging the monitoring mechanism, the monitoring box is communicated with the gas pipe by utilizing the gas inlet pipe and the gas outlet pipe, so that the gas pressure below the inside of the monitoring box is consistent with the gas pressure in the gas pipe, when the gas pressure changes, the sliding plate can be pushed to slide in the monitoring box, and when the sensor is touched, the electromagnetic valve is closed, the device is detected, the gas leakage is avoided, and the practicability of the device is improved;

3. by arranging the adjusting mechanism, when the position of the monitoring box needs to be adjusted, the rotating disc is rotated, so that the rotating shaft drives the rotating gear to rotate, the straight-tooth rod drives the adjusting plate to slide in the monitoring box, and the position of the sliding plate is changed under the action of the elastic force of the first spring, so that the device adapts to the conditions of different gas pressures, and the applicability of the device is improved;

4. by arranging the blowing mechanism, the connecting pipe and the auxiliary fan blades, when nitrogen is sprayed out of the nitrogen box, the rotating fan blades are rotated by utilizing the flowing force of gas, the spraying of the nitrogen is accelerated by utilizing the wind power generated by the rotation of the rotating fan blades, the driving force of the gas on the connecting pipe can be increased by utilizing the connecting pipe and the auxiliary fan blades, the wind power generated by the gas is increased, and the applicability of the device is increased;

5. by arranging the alarm mechanism, when nitrogen is sprayed out, the connecting shaft is rotated, the driving bevel gear drives the driven bevel gear to rotate, the cam is enabled to abut against the abutting rod to move up and down, so that the second connecting plate and the abutting rod are enabled to move up more quickly under the action of the elastic force of the second spring, the abutting rod is enabled to touch the vibrating bell, the vibrating bell is enabled to make a sound, the alarm effect is realized, and the applicability of the device is improved;

6. through setting up locking mechanism, when blocking the board and move down, utilize the elasticity of third spring, make the gag lever post insert the inside of spacing groove to prescribe a limit to the position of blocking the board, avoid the device when the operation, produce and rock, increase the suitability of device.

Drawings

Fig. 1 is a schematic front view of an emergency gas-cut-off safety device of a gas-fired apparatus according to embodiment 1;

FIG. 2 is a schematic front view of the alarm mechanism of the safety device for an emergency gas cut-off in a gas-fired apparatus according to embodiment 1;

fig. 3 is a schematic structural diagram of a monitoring mechanism of an emergency gas-break safety device of a gas-fired apparatus according to embodiment 1;

fig. 4 is a schematic structural diagram of a connecting pipe of an emergency gas-break safety device of a gas-fired apparatus according to embodiment 1;

fig. 5 is a schematic front view of a locking mechanism of an emergency gas-cutoff safety device of a gas-fired apparatus according to embodiment 2.

In the figure: 1-cooking bench, 2-gas seat, 3-button, 4-blocking cavity, 5-hot melt plate, 6-blocking plate, 7-first through hole, 8-second through hole, 9-gas pipe, 10-gas inlet pipe, 11-gas outlet pipe, 12-monitoring box, 13-sliding plate, 14-first spring, 15-adjusting plate, 16-rotating shaft, 17-rotating disk, 18-straight toothed rod, 19-rotating gear, 20-sensor, 21-electromagnetic valve, 22-limiting seat, 23-nitrogen box, 24-connecting pipe, 25-auxiliary fan blade, 26-connecting shaft, 27-driving helical gear, 28-cam, 29-driven helical gear, 30-first connecting plate, 31-butting rod, 32-a second connecting plate, 33-a second spring, 34-a vibrating bell, 35-a nitrogen pipe, 36-a rotating fan blade, 37-a limiting cavity, 38-a third spring, 39-a limiting rod and 40-a limiting groove.

Detailed Description

The technical solution of the present patent will be described in further detail with reference to the following embodiments.

Reference will now be made in detail to embodiments of the present patent, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the drawings are exemplary only for the purpose of explaining the present patent and are not to be construed as limiting the present patent.

In the description of this patent, it is to be understood that the terms "center," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like are used in the orientations and positional relationships indicated in the drawings for the convenience of describing the patent and for the simplicity of description, and are not intended to indicate or imply that the referenced devices or elements must have a particular orientation, be constructed and operated in a particular orientation, and are not to be considered limiting of the patent.

In the description of this patent, it is noted that unless otherwise specifically stated or limited, the terms "mounted," "connected," and "disposed" are to be construed broadly and can include, for example, fixedly connected, disposed, detachably connected, disposed, or integrally connected and disposed. The specific meaning of the above terms in this patent may be understood by those of ordinary skill in the art as appropriate.

Example 1

Referring to fig. 1 to 4, an emergency gas cutoff safety device of a gas device comprises a cooking bench 1, a gas pipe 9 is bolted inside the cooking bench 1, a gas seat 2 is bolted above the inside of the cooking bench 1, the gas pipe 9 is communicated with the gas seat 2, a gas cutoff mechanism is arranged at a position of the gas pipe 9 close to the gas seat 2, a monitoring mechanism is arranged at a position of the gas pipe 9 far away from the gas seat 2, an electromagnetic valve 21 is inserted and connected to the middle section of the gas pipe 9, the gas cutoff mechanism comprises a button 3, a blocking cavity 4, a hot melting plate 5, a blocking plate 6, a first through hole 7, a second through hole 8, a limiting seat 22, a nitrogen tank 23 and a nitrogen pipe 35, the blocking cavity 4 is bolted at a position of the inside of the cooking bench 1 close to the gas seat 2, the button 3 is slidably connected inside the blocking cavity 4, the hot melting plate 5 is sleeved on the edge of the button 3, the hot melting plate 5 is fixedly connected with the side of the blocking cavity, the lower part of the button 3 is connected with a blocking plate 6 through a bolt, the blocking plate 6 penetrates through a blocking cavity 4, a hot melt plate 5 and a gas pipe 9, the middle part of the blocking plate 6 is provided with a first through hole 7, the inner diameter of the first through hole 7 is the same as that of the gas pipe 9, the inner part of the cooking bench 1 is connected with a nitrogen tank 23 through a bolt, the right side of the nitrogen tank 23 is connected with a nitrogen pipe 35 through a bolt, one end of the nitrogen pipe 35, far away from the nitrogen tank 23, is fixedly connected with the gas pipe 9, the blocking plate 6 penetrates through the nitrogen pipe 35, the position of the blocking plate 6, close to the nitrogen pipe 35, is provided with a second communicating hole 8, the inner diameter of the second communicating hole 8 is the same as that of the nitrogen pipe 35, the lower part of the inner part of the cooking bench 1 is connected with a limiting seat 22 through a bolt, the blocking plate 6 is connected with the limiting seat 22 in an inserting manner, a locking mechanism is arranged inside the, when needs are disconnected gas, press button 3, thereby make hot melt plate 5 broken, make to block board 6 and inject inside spacing seat 22, it is spacing to carry out, make first intercommunicating pore 7 and gas pipe 9 dislocation, thereby block the supply of gas, and utilize the inside intercommunication of second intercommunicating pore 8 and nitrogen gas pipe 35, make the nitrogen gas in the nitrogen gas case 23 pass through nitrogen gas pipe 35 and get into gas pipe 9, thereby the direction gas seat 2, and then the gas of leaving over in the gas pipe 9 of discharging, avoid the Huo Li backward flow, and utilize nitrogen gas to accelerate to put out a fire, utilize the high temperature fragility of hot melt plate 5, make when the conflagration breaing out, the device possesses independently disconnected gas action, and is suitable for a large amount of popularization.

Wherein, the monitoring mechanism comprises an air inlet pipe 10, an air outlet pipe 11, a monitoring box 12, a sliding plate 13, a first spring 14, an adjusting plate 15 and a sensor 20, the upper part of a gas pipe 9 is bolted with the monitoring box 12, the input end of the monitoring box 12 is communicated with the gas pipe 9 through the air inlet pipe 10, the output end of the monitoring box 12 is communicated with the gas pipe 9 through the air outlet pipe 11, the inside of the monitoring box 12 is slidably and airtightly connected with the sliding plate 13, the upper part of the sliding plate 13 is bolted with a plurality of first springs 14, one end of each first spring 14 far away from the sliding plate 13 is bolted with the adjusting plate 15, the adjusting plate 15 is slidably and airtightly connected with the inner shell wall of the monitoring box 12, the inside of the monitoring box 12 is bolted with a plurality of sensors 20, the movement tracks of the sensors 20 and the sliding plate, utilize intake pipe 10 and outlet duct 11 to make monitoring case 12 and gas pipe 9 intercommunication to can make the gas pressure of the inside below of monitoring case 12 unanimous with the gas pressure in the gas pipe 9, when gas pressure changes, can promote sliding plate 13 and slide in monitoring case 12, when touching sensor 20, thereby make solenoid valve 21 close, detect the device, avoid the gas to leak, increase the practicality of device.

Wherein, the adjusting mechanism comprises a rotating shaft 16, a rotating disc 17, a straight toothed bar 18 and a rotating gear 19, the upper part of the adjusting plate 15 is connected with the straight toothed bar 18 by a bolt, the front side of the straight toothed bar 18 is connected with the rotating gear 19 in a meshing way, the central shaft of the rotating gear 19 is connected with the rotating shaft 16, the left end of the rotating shaft 16 is rotationally connected with the inner shell wall of the monitoring box 12, the rotating shaft 16 penetrates through the right shell wall of the monitoring box 12, one end of the rotating shaft 16 extending to the outside of the monitoring box 12 is connected with the rotating disc 17 by a bolt, when the position of the monitoring box 12 needs to be adjusted, the rotating disc, thereby causing the rotating shaft 16 to rotate the rotating gear 19, and further causing the straight toothed bar 18 to slide the adjusting plate 15 in the monitoring box 12, under the action of the elastic force of the first spring 14, the position of the sliding plate 13 is changed, so that the device is suitable for different gas pressures, and the applicability of the device is improved.

Wherein, the mechanism of blowing includes connecting axle 26 and rotating fan blade 36, the inside rotation of nitrogen gas pipe 35 is connected with connecting axle 26, connecting axle 26 runs through the conch wall of nitrogen gas pipe 35, connecting axle 26 is located the inside one end edge bolted connection of nitrogen gas pipe 35 and has a plurality of rotating fan blade 36, connecting axle 26 extends to the outside one end of nitrogen gas pipe 35 and is provided with alarm mechanism, when nitrogen gas is spout from nitrogen gas case 23, utilize the strength that gas flows to make rotating fan blade 36 rotate, and utilize rotating fan blade 36 to rotate the blowout of the wind-force of production and accelerate nitrogen gas, the suitability of increase device.

Wherein, the edge fixedly connected with connecting pipe 24 of rotating fan blade 36, the marginal bolted connection of connecting pipe 24 has a plurality of auxiliary fan blade 25, utilizes connecting pipe 24 and auxiliary fan blade 25 can increase the gaseous driving force to connecting pipe 24 to increase the wind-force to gaseous production, increase the suitability of device.

Wherein, the alarm mechanism comprises a driving bevel gear 27, a cam 28, a driven bevel gear 29, a first connecting plate 30, a touch bar 31, a second connecting plate 32, a second spring 33 and a vibrating bell 34, one end shaft of the connecting shaft 26 extending to the outside of the nitrogen gas pipe 35 is connected with the driving bevel gear 27, the edge of the driving bevel gear 27 is engaged and connected with the driven bevel gear 29, the driven bevel gear 29 is fixedly connected with the cam 28 through a concentric shaft, the middle part of the concentric shaft is rotatably connected with the first connecting plate 30, the concentric shaft penetrates through the first connecting plate 30, the first connecting plate 30 is fixedly connected with the inner shell wall of the cooking bench 1, the inner part of the first connecting plate 30 is slidably connected with the second connecting plate 32, two touch bars 31 are bolted on the second connecting plate 32, one touch bar 31 is in touch connection with the cam 28, a plurality of second springs 33 are fixedly connected under the second connecting plate 32, one end of the second spring 33 far away from the second connecting plate 32, another top of touch bar 31 is provided with vibrating bell 34, the movement track of vibrating bell 34 and touch bar 31 interferes, vibrating bell 34 and the inside conch wall fixed connection of top of a kitchen range 1, when nitrogen gas blowout, make connecting axle 26 rotate, and then make initiative helical gear 27 drive driven helical gear 29 and rotate, make cam 28 conflict touch bar 31 reciprocate, thereby under the spring action of second spring 33, make second connecting plate 32 and touch bar 31 move the in-process more fast at last, thereby make touch bar 31 touch vibrating bell 34, and then make vibrating bell 34 sound, realize the effect of alarm, increase the suitability of device.

The working principle is as follows: when the device operates, the gas pressure in the gas pipe 9 is monitored in real time by using a monitoring mechanism, when gas is required to be cut off, the button 3 is pressed, so that the hot melting plate 5 is broken, the blocking plate 6 is inserted into the limiting seat 22 for limiting, the first communicating hole 7 and the gas pipe 9 are staggered, the supply of gas is blocked, the second communicating hole 8 and the nitrogen pipe 35 are communicated, nitrogen in the nitrogen box 23 enters the gas pipe 9 through the nitrogen pipe 35, the gas is guided to the gas seat 2, the left-over gas in the gas pipe 9 is discharged, the Holly backflow is avoided, the fire is extinguished by using the nitrogen, and the high-temperature breakability of the hot melting plate 5 is used, so that the device has an autonomous gas cutting-off behavior when a fire occurs, and is suitable for mass popularization; the gas inlet pipe 10 and the gas outlet pipe 11 are used for communicating the monitoring box 12 with the gas pipe 9, so that the gas pressure below the inside of the monitoring box 12 is consistent with the gas pressure in the gas pipe 9, when the gas pressure changes, the sliding plate 13 is pushed to slide in the monitoring box 12, and when the sensor 20 is touched, the electromagnetic valve 21 is closed, the device is detected, the gas leakage is avoided, and the practicability of the device is improved; when the position of the monitoring box 12 needs to be adjusted, the rotating disc 17 is rotated, so that the rotating shaft 16 drives the rotating gear 19 to rotate, the straight toothed bar 18 drives the adjusting plate 15 to slide in the monitoring box 12, and the position of the sliding plate 13 is changed under the action of the elastic force of the first spring 14, so that the device adapts to the conditions of different gas pressures, and the applicability of the device is improved; when the nitrogen is sprayed out of the nitrogen box 23, the rotating fan blades 36 are rotated by the flowing force of the gas, and the spraying of the nitrogen is accelerated by the wind power generated by the rotation of the rotating fan blades 36, so that the applicability of the device is improved; the connecting pipe 24 and the auxiliary fan blades 25 can increase the driving force of the gas on the connecting pipe 24, increase the wind power generated by the gas and increase the applicability of the device; when nitrogen gas blowout, make connecting axle 26 rotate, and then make initiative helical gear 27 drive driven helical gear 29 and rotate, make cam 28 conflict feeler lever 31 reciprocate to under the spring action of second spring 33, make second connecting plate 32 and conflict lever 31 move the in-process more fast on going up, thereby make feeler lever 31 touch and touch vibrations bell 34, and then make vibrations bell 34 sound, realize the effect of alarm, increase the suitability of device.

Example 2

Referring to fig. 5, in the present embodiment, compared with embodiment 1, the locking mechanism includes a limiting cavity 37, a third spring 38, a limiting rod 39 and a limiting groove 40, the limiting cavity 37 is disposed inside the limiting seat 22, the third spring 38 is bolted to the limiting cavity 37, the limiting rod 39 is bolted to one end of the third spring 38 away from the wall of the limiting cavity 37, a plurality of limiting grooves 40 are disposed at a position of the blocking plate 6 close to the limiting seat 22, and when the blocking plate 6 moves down, the limiting rod 39 is inserted into the limiting groove 40 by using the elastic force of the third spring 38, so as to limit the position of the blocking plate 6, thereby preventing the device from shaking during operation and increasing the applicability of the device.

The working principle is as follows: when the blocking plate 6 moves downwards, the limiting rod 39 is inserted into the limiting groove 40 by the elastic force of the third spring 38, so that the position of the blocking plate 6 is limited, the device is prevented from shaking during operation, and the applicability of the device is improved.

The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and the technical solutions and the inventive concepts thereof according to the present invention should be equivalent or changed within the scope of the present invention.

Claims

1. The emergency gas-cut-off safety device of the gas equipment comprises a cooking bench (1) and is characterized in that a gas pipe (9) is arranged inside the cooking bench (1), a gas seat (2) is arranged above the inside of the cooking bench (1), the gas pipe (9) is communicated with the gas seat (2), a gas-cut-off mechanism is arranged at the position, close to the gas seat (2), of the gas pipe (9), a monitoring mechanism is arranged at the position, far away from the gas seat (2), of the gas pipe (9), an electromagnetic valve (21) is arranged in the middle section of the gas pipe (9), the gas-cut-off mechanism comprises a button (3), a blocking cavity (4), a hot melting plate (5), a blocking plate (6), a first communication hole (7), a second communication hole (8), a limiting seat (22), a nitrogen gas tank (23) and a nitrogen gas pipe (35), the blocking cavity (4) is arranged at the position, close to the gas seat (2), inside of the nitrogen gas cooking bench (1), the inside of hindering chamber (4) is provided with button (3), the edge of button (3) is provided with hot melt plate (5), hot melt plate (5) and the avris conch wall fixed connection who hinders chamber (4), the below of button (3) is provided with hinders breaker plate (6), hinder breaker plate (6) and run through and hinder chamber (4), hot melt plate (5) and gas pipe (9), the middle part of hindering board (6) is provided with first communicating hole (7), the inside diameter of first communicating hole (7) and gas pipe (9) is the same, the inside of top of a kitchen range (1) is provided with nitrogen gas case (23), the right side of nitrogen gas case (23) is provided with nitrogen gas pipe (35), the one end and gas pipe (9) fixed connection of nitrogen gas case (23) are kept away from in nitrogen gas pipe (35), hinder board (6) run through nitrogen gas pipe (35), the position department that hinders board (6) is close to nitrogen gas pipe (35) is provided with second communicating hole (8), the inside diameter of second intercommunicating pore (8) and nitrogen gas pipe (35) is the same, the inside below of top of a kitchen range (1) is provided with spacing seat (22), the connection is inserted with spacing seat (22) to rupture board (6), the inside of spacing seat (22) is provided with locking mechanism, the inside of nitrogen gas pipe (35) is provided with the mechanism of blowing.

2. The emergency gas-cut-off safety device of a gas-fired apparatus according to claim 1, wherein the monitoring mechanism comprises a gas inlet pipe (10), a gas outlet pipe (11), a monitoring box (12), a sliding plate (13), a first spring (14), an adjusting plate (15) and a sensor (20), the monitoring box (12) is arranged above the gas pipe (9), the input end of the monitoring box (12) is communicated with the gas pipe (9) through the gas inlet pipe (10), the output end of the monitoring box (12) is communicated with the gas pipe (9) through the gas outlet pipe (11), the sliding plate (13) is connected with the monitoring box (12) in a sliding and sealing manner, a plurality of first springs (14) are arranged above the sliding plate (13), the adjusting plate (15) is arranged at one end of the first springs (14) far away from the sliding plate (13), and the adjusting plate (15) is connected with the monitoring box (12) in a sliding and sealing manner, the monitoring box (12) is internally provided with a plurality of sensors (20), the sensors (20) interfere with the movement track of the sliding plate (13), the sensors (20) are electrically connected with the electromagnetic valve (21), and an adjusting mechanism is arranged above the adjusting plate (15).

3. The emergency gas-cut-off safety device of a gas-fired device according to claim 2, characterized in that the adjusting mechanism comprises a rotating shaft (16), a rotating disc (17), a straight rack (18) and a rotating gear (19), the straight rack (18) is arranged above the adjusting plate (15), the rotating gear (19) is meshed and connected with the front side of the straight rack (18), the rotating shaft (16) is connected with the central shaft of the rotating gear (19), the left end of the rotating shaft (16) is rotatably connected with the inner shell wall of the monitoring box (12), the rotating shaft (16) penetrates through the right shell wall of the monitoring box (12), and the rotating disc (17) is arranged at the end of the rotating shaft (16) extending to the outside of the monitoring box (12).

4. The emergency gas-cut-off safety device of a gas-fired equipment according to claim 3, wherein the blowing mechanism comprises a connecting shaft (26) and rotating fan blades (36), the connecting shaft (26) is arranged inside the nitrogen gas pipe (35), the connecting shaft (26) penetrates through the wall of the nitrogen gas pipe (35), the connecting shaft (26) is provided with a plurality of rotating fan blades (36) at the edge of one end inside the nitrogen gas pipe (35), and the connecting shaft (26) is provided with an alarm mechanism at the end extending to the outside of the nitrogen gas pipe (35).

5. The safety device for an emergency gas shut-off of a gas-fired apparatus according to claim 4, wherein the edge of the rotating blade (36) is fixedly connected with a connecting pipe (24), and the edge of the connecting pipe (24) is provided with a plurality of auxiliary blades (25).

6. The emergency gas-cut-off safety device of a gas appliance according to claim 5, wherein the alarm mechanism comprises a driving bevel gear (27), a cam (28), a driven bevel gear (29), a first connecting plate (30), an abutting rod (31), a second connecting plate (32), a second spring (33) and a vibrating bell (34), one end of the connecting shaft (26) extending to the outside of the nitrogen gas pipe (35) is provided with the driving bevel gear (27), the edge of the driving bevel gear (27) is engaged with the driven bevel gear (29), the driven bevel gear (29) is provided with the cam (28) through a concentric shaft, the middle of the concentric shaft is provided with the first connecting plate (30), the concentric shaft penetrates through the first connecting plate (30), the first connecting plate (30) is fixedly connected with the inner shell wall of the cooking bench (1), and the inside of the first connecting plate (30) is provided with the second connecting plate (32), be provided with two conflict poles (31), one on second connecting plate (32) conflict and connect with cam (28), a plurality of second spring (33) of below fixedly connected with of second connecting plate (32), the one end of second connecting plate (32) and the conch wall fixed connection of first connecting plate (30), another are kept away from in second spring (33) the top of conflict pole (31) is provided with vibrations bell (34), the motion trail of vibrations bell (34) and conflict pole (31) is interfered, the inside conch wall fixed connection of vibrations bell (34) and top of a kitchen range (1).

7. The emergency gas-cut-off safety device of a gas-fired device according to claim 6, characterized in that the locking mechanism comprises a limiting cavity (37), a third spring (38), a limiting rod (39) and a limiting groove (40), the limiting cavity (37) is arranged inside the limiting seat (22), the third spring (38) is arranged inside the limiting cavity (37), the limiting rod (39) is arranged at one end of the third spring (38) far away from the wall of the limiting cavity (37), and a plurality of limiting grooves (40) are arranged at the position of the blocking plate (6) close to the limiting seat (22).