CN218033253U - Ignition switch device for gas stove - Google Patents

Abstract

The application discloses ignition switch device for gas-cooker, including the subassembly that admits air, piece and ignition assembly are carried to the gas, the piece that admits air is carried with the gas and is linked up, the gas is carried the one end that the piece kept away from the subassembly that admits air and is linked up with ignition assembly, the ignition control spare includes the shell, the shell is equipped with the cavity, be equipped with ignition valve gas pole and main valve gas pole in the cavity, ignition valve gas pole can lead to the closed gas that flows to the ignition mouth and, the main valve gas pole can lead to the closed gas that flows to the gas-cooker, promote when avoiding pressing the copper needle and push up the arm and push up the open solenoid valve, make the gas flow into after the cavity from inferior gas outlet channel, the gas flows into main gas outlet channel from the cavity, direct gas-cooker emergence gas leakage of gas mouth from main gas outlet channel again, through above method, provide a protection barrier before igniteing for the gas-cooker.

Description

Ignition switch device for gas stove

Technical Field

The application relates to the field of ignition switches of gas cookers, in particular to an ignition switch device for a gas cooker.

Background

With the widespread use of gas stoves and gas stoves, more and more people are paying attention to the safety of ignition and flameout protection of gas stoves. The general gas stove mainly comprises an igniter, a flame nozzle and a nozzle, wherein when the igniter is pressed down, gas enters the flame nozzle and the nozzle, a pressing type ignition needle is arranged outside the flame nozzle, the ignition needle generates sparks to enable the gas to be ignited when the gas is sprayed out from the flame nozzle, and the ignited gas ignites the gas sprayed to the outer ring and the inner ring of the gas stove from the nozzle. The ignition switch formed in this way is low in safety, and the situation of gas leakage is easy to occur. To improve such a situation, an ignition switch device for a gas range is now provided.

SUMMERY OF THE UTILITY MODEL

In order to improve the safety of an ignition switch, the application provides an ignition switch device for a gas stove.

The application provides an ignition for gas adopts following technical scheme:

the utility model provides an ignition switch device for gas-cooker, includes that the gas carries piece and ignition control spare, and the gas is carried the piece and is linked up with ignition control spare, and ignition control spare includes the shell, and the one end fixed connection that the piece was carried to shell and gas is equipped with the cavity in the shell, and the piece intercommunication is carried with the gas to the cavity, and the ignition mouth of fixedly connected with and cavity intercommunication on the shell is located the gas in the cavity and carries the piece and the ignition mouth between be equipped with the gas circulation control assembly of control gas circulation.

Through adopting above-mentioned technical scheme, the gas is carried the piece and is played the effect of carrying the gas, and gas circulation control assembly plays the effect of the gas of control cavity flow direction ignition mouth, and gas circulation control assembly controls gas flow direction ignition mouth in inclosed cavity, makes to a certain extent to ignite safe and reliable more.

Optionally, the fuel gas conveying piece comprises an air inlet pipe and a conveying block, one end of the conveying block is connected with the air inlet pipe, the other end of the conveying block is fixedly connected with the shell, the air inlet pipe is provided with an emergency cut-off valve, and the emergency cut-off valve is fixedly connected with the air inlet pipe.

By adopting the technical scheme, the air inlet pipe plays a role in conveying fuel gas; when flameout or emergency occurs when gas is used, the emergency cut-off valve plays a role in cutting off the gas to the gas stove in an emergency.

Optionally, set up main inlet channel and the main passageway of giving vent to anger that sets up side by side from top to bottom in the transport piece, main inlet channel and intake pipe intercommunication carry a fixedly connected with gas mouth, gas mouth and main passageway of giving vent to anger intercommunication, and the position department that gas mouth and main passageway of giving vent to anger intercommunication is equipped with the ball, and the ball shelters from in the junction of gas mouth and main passageway of giving vent to anger, ball and main passageway of giving vent to anger butt.

Through adopting above-mentioned technical scheme, main air outlet channel and main inlet channel provide a sealed space for the gas is carried for carrying the gas for it is safer to carry the gas, and the ball opens the intercommunication of gas mouth and main air outlet channel under the effect of gas atmospheric pressure, makes the gas follow the gas mouth and gets into the gas-cooker.

Optionally, the gas circulation control assembly comprises an electromagnetic valve arranged close to the shell at one end of the conveying block, the shell at one end of the conveying block is provided with the electromagnetic valve, the air inlet end of the electromagnetic valve is communicated with the gas conveying piece through a secondary air inlet channel, a cavity is arranged in the shell at a position close to the electromagnetic valve, the air outlet end of the electromagnetic valve is communicated with the cavity through a secondary air outlet channel, and a top arm for starting or closing the electromagnetic valve is arranged in the shell at one end close to the secondary air outlet channel.

Through adopting above-mentioned technical scheme, the gas that can control follow main inlet channel flow direction cavity is closed to the logical of control solenoid valve, and the top arm can open the solenoid valve and make the gas follow main inlet channel and get into in the cavity.

Optionally, the top arm includes vertical pole and top arm reset spring, the one end of vertical pole is fixed with the trigger lever, the trigger lever level extends the setting towards the solenoid valve direction, one side that the trigger lever was kept away from to vertical pole is provided with the butt pole, butt pole and vertical pole fixed connection, cavity diapire epirelief is equipped with the ring, the one end that the trigger lever was kept away from to vertical pole is fixed with the circular shape locating lever, the lateral wall of locating lever and the lateral wall butt of ring, top arm reset spring one end and cavity roof fixed connection, the other end and top arm butt pole fixed connection, be equipped with the joint on the shell that is close to butt pole one end, joint and shell fixed connection, be equipped with the copper needle in the joint, copper needle one end stretches into the cavity and sets up towards the butt pole, the other end is located the joint, the one end that the copper needle is close to the joint is equipped with copper needle reset spring, copper cap and jump ring, copper needle reset spring one end and joint butt on the copper needle, the other end cup joints on the copper cap.

Through adopting above-mentioned technical scheme, under the circumstances that the solenoid valve is not electrified, the apical boom backs down the solenoid valve for the gas gets into the cavity from main inlet channel, and the gas is from the cavity entry ignition mouth again, realizes igniteing. The positioning rod is used for supporting the top arm to rotate, the vertical rod plays a role in supporting the trigger rod and the abutting rod, and pressure is applied to the abutting rod to push the trigger rod to jack the electromagnetic valve, so that the main air inlet channel is communicated with the air cavity. The top arm reset spring can reset the top arm when the top arm loses pressure, so that the trigger rod of the top arm is not abutted to the electromagnetic valve. The copper needle is used for pushing the top arm, so that the electromagnetic valve is opened by the top arm. The joint plays the effect of supporting the copper needle, can stably slide when making the copper needle slide, presses the copper needle and promotes the top arm, makes the top arm back-open solenoid valve open main inlet channel and air cavity intercommunication. The clamp spring plays the effect of fixed copper cap, makes the slip that copper cap can stabilize supplementary copper needle.

Optionally, the gas circulation control assembly comprises an ignition valve gas rod, the ignition valve gas rod is connected with the shell in a sliding mode, one end of the ignition valve gas rod is connected to the shell in a plug mode, the other end of the ignition valve gas rod extends out of the shell, an ignition reset spring is arranged at one end, far away from the end, extending out of the ignition valve gas rod, of the ignition valve gas rod in a sleeved mode, the other end of the ignition reset spring is abutted to the inner wall of the shell, and the ignition valve gas rod opens or closes gas between the cavity and the ignition nozzle.

By adopting the technical scheme, the ignition valve gas rod can close the gas flowing from the cavity to the ignition nozzle, the ignition valve gas rod is pushed upwards during ignition to enable the gas to enter the ignition nozzle for ignition, and after ignition is completed, the ignition valve gas rod pushes downwards to cut off the gas flowing from the gas cavity to the ignition nozzle. The ignition reset spring can reset the ignition valve air rod which is pushed up, and when ignition is finished, the ignition valve air rod resets under the reaction of the ignition reset spring to cut off the fuel gas flowing to the ignition nozzle from the cavity.

Optionally, the gas circulation control assembly includes main valve gas pole, main valve gas pole and shell sliding connection, and main valve gas pole one end is pegged graft in the shell, and the other end stretches out the shell, keeps away from the one end that main valve gas pole stretches out and is equipped with main valve reset spring, and main valve reset spring one end cup joints with the main valve gas pole on, the inner wall butt of the shell of the other end and, main valve gas pole is opened or is closed the gas between cavity and the main gas outlet channel.

By adopting the technical scheme, the main valve gas rod can close the gas flowing from the gas cavity to the main gas outlet channel, the main valve gas rod is jacked up during ignition, so that the gas enters the main gas outlet channel, the gas enters the gas stove from the gas nozzle, and the gas of the gas stove is ignited by the ignited gas on the ignition nozzle. The main valve reset spring can reset the main valve gas rod which is pushed up, so that the main valve gas rod resets to cut off the gas flowing from the gas cavity to the main gas outlet channel when the fire is turned off.

Optionally, the quick action emergency valve includes valve rod, spacing piece, handle and butt spring, and the valve rod passes the intake pipe and is connected with the intake pipe rotation, valve rod one end and handle fixed connection, the spacing piece of the other end is connected, butt spring cup joint on the valve rod and with spacing piece butt, be equipped with screw thread and nut on the valve rod that is close to the butt spring, nut and valve rod threaded connection, the part that the valve rod is located the intake pipe link up and is provided with the through-hole.

Through adopting above-mentioned technical scheme, the valve rod plays the effect of control gas pipe break-make, and the rotatory angle of control through-hole just can control the break-make of the gas channel of intake pipe. The nut plays the role of fixing the limiting sheet and abutting against the spring. The butt spring plays the effect that supports spacing piece and stabilize the rotation, and spacing piece plays the rotation angle of restriction valve rod.

In summary, the present application has the following beneficial effects:

when flameout occurs or emergency occurs during gas use, the emergency cut-off valve plays a role in cutting off the gas to the gas stove in an emergency. The ignition valve gas rod can be communicated with and closed to flow into the gas of the ignition nozzle, the main valve gas rod can be communicated with and closed to flow into the gas of the gas stove, the pushing arm is pushed to jack the electromagnetic valve when the copper needle is prevented from being pressed, so that after the gas flows into the cavity from the secondary gas outlet channel, the gas flows into the main gas outlet channel from the cavity, and then the gas directly enters the gas stove from the gas nozzle of the main gas outlet channel to cause gas leakage.

Drawings

Fig. 1 is a schematic structural view of an ignition switch device for a gas range disclosed in the present application.

Fig. 2 is a schematic sectional view in plan view of fig. 1.

Fig. 3 is a front sectional view of fig. 1.

Fig. 4 is an enlarged schematic view of a in fig. 3.

Description of the reference numerals:

1. an air inlet pipe; 2. a housing; 21. a fixing sheet; 3. a conveying block; 31. a main intake passage; 32. a main gas outlet channel; 33. a ball bearing; 4. an emergency shut-off valve; 41. a valve stem; 42. an abutment spring; 43. a handle; 44. a limiting sheet; 45. a nut; 5. an electromagnetic valve; 51. a secondary intake passage; 52. a secondary air outlet channel; 6. a top arm; 61. a vertical rod; 62. a trigger lever; 63. a butting rod; 64. positioning a rod; 65. a top arm return spring; 7. a copper needle; 71. a copper needle return spring; 72. a joint; 73. a clamp spring; 74. a copper cap; 8. an ignition valve gas lever; 81. an ignition return spring; 82. an ignition nozzle; 9. a main valve gas lever; 91. a main valve return spring; 92. a copper sleeve; 10. a gas nozzle.

Detailed Description

The present application is described in further detail below with reference to figures 1-4.

The embodiment of the application discloses ignition control switching device for gas-cooker, including gas transport piece and ignition control spare, the gas is carried the piece and is linked up with ignition control spare, and the gas is carried the piece and is used for carrying the gas, and ignition control spare is used for controlling the break-make of gas between gas transport piece and the gas-cooker.

Referring to fig. 1 and 2, the fuel gas conveying piece comprises a conveying block 3 and a gas inlet pipe 1, wherein one end of the gas inlet pipe 1 is communicated with a gas source of fuel gas, and the other end of the gas inlet pipe 1 is communicated with the conveying block 3. The main air outlet channel 32 and the main air inlet channel 31 which are arranged in parallel up and down are arranged in the conveying block 3, the main air inlet channel 31 is communicated with the air inlet pipe 1, the conveying block 3 is fixedly connected with a gas nozzle 10, and the gas nozzle 10 is communicated with the main air outlet channel 32. The ball 33 is installed at the position where the gas nozzle 10 is communicated with the main gas outlet channel 32, the ball 33 covers the joint of the gas nozzle 10 and the main gas outlet channel 32, the ball 33 is in rolling connection with the main gas outlet channel 32, and the caliber of one end, close to the gas inlet pipe 1, of the main gas outlet channel 32 is larger than that of one end, far away from the gas inlet pipe 1, of the main gas outlet channel 32. The rolling balls 33 roll away from the gas flowing direction under the gas pressure so that the gas nozzle 10 communicates with the main gas outlet channel 32.

Referring to fig. 3 and 4, the ignition control member includes a housing 2, the housing 2 is fixedly connected to one end of the conveying block 3, a cavity is provided in the housing 2, and a gas circulation control assembly for controlling the circulation of gas is provided between the main gas inlet channel 31 and the main gas outlet channel 32. The gas circulation control assembly comprises an electromagnetic valve 5 which is close to a shell 2 at one end of a conveying block 3, the gas inlet end of the electromagnetic valve 5 is communicated with a main gas inlet channel 31 through a secondary gas inlet channel 51, a cavity is arranged at a position close to the electromagnetic valve 5 in the shell 2, the gas outlet end of the electromagnetic valve 5 is communicated with the cavity through a secondary gas outlet channel 52, and the electromagnetic valve 5 is used for closing gas flowing from the main gas outlet channel 32 to the cavity.

Referring to fig. 3 and 4, a top arm 6 for starting the solenoid valve 5 is arranged in the cavity, the top arm 6 is hinged to the inner wall of the housing 2, the top arm 6 comprises a vertical rod 61, a trigger rod 62 is fixed to one end of the vertical rod 61, the trigger rod 62 horizontally extends towards the direction of the solenoid valve 5, and the trigger rod 62 faces the secondary air outlet channel 52. One side of the vertical rod 61, which is far away from the trigger rod 62, extends in the direction far away from the trigger rod 62 to form a butt rod 63, and one end of the butt rod 63, which is far away from the vertical rod 61, is bent into an arc shape.

Referring to fig. 3 and 4, a circular ring is convexly arranged on the bottom wall of the cavity, a circular positioning rod 64 is fixed at one end of the vertical rod 61 away from the trigger rod 62, and the side wall of the positioning rod 64 abuts against the side wall of the circular ring.

Referring to fig. 3 and 4, a top arm return spring 65 is fixed on the top wall of the cavity, one end of the top arm return spring 65 is fixed with the abutting rod 63, and the other end is fixedly connected with the top wall of the cavity. The copper needle 7 is pushed towards the abutting rod 63, so that the copper needle 7 pushes the abutting rod 63 to move towards the top arm return spring 65, at this time, the positioning rod 64 slides along the side wall of the ring, the triggering rod 62 passes through the secondary air outlet channel 52 and then contacts with the electromagnetic valve 5 to trigger the electromagnetic valve 5, and the gas in the main air outlet channel 32 enters the cavity from the electromagnetic valve 5.

Referring to fig. 3 and 4, a joint 72 is fixed at the oblique diagonal position of the electromagnetic valve 5 on the housing 2, a copper needle 7 is arranged in the joint 72, one end of the copper needle 7 extends into the housing 2 and is vertically arranged towards the end of the abutting rod 63, the end of the copper needle 7 is opposite to the end of the abutting rod 63, and the copper needle 7 is connected with the joint 72 in a sliding manner. The diameter that copper needle 7 was located shell 2 one end is greater than the diameter that is located joint 72 one end, is equipped with copper cap 74 and jump ring 73 on the joint 72, and copper cap 74 cup joints on the less one end of copper needle 7 diameter, and jump ring 73 and copper cap 74 butt cup joint on the less one end of copper needle 7 diameter, and jump ring 73 is used for fixed copper cap 74, and copper cap 74 makes copper needle 7 can stably slide. The smaller one end of copper needle 7 diameter has cup jointed copper needle reset spring 71, and copper needle reset spring 71's one end and joint 72 butt, the other end joint is in the position department that copper needle 7 diameter changed, and copper needle reset spring 71 is used for the restoration after copper needle 7 slides.

Referring to fig. 3, in the present embodiment, the gas stove is provided with a thermocouple, the electromagnetic valve 5 is electrically connected to the thermocouple, and when the gas stove normally works, the thermocouple is heated to generate current, so that the electromagnetic valve 5 keeps attracting. When the gas stove is flamed out, the thermocouple is gradually cooled, no current is generated, the electromagnetic valve 5 is reset, and the electromagnetic valve 5 cuts off the secondary air outlet channel 52 and the air channel of the cavity. The thermocouple is used for detecting whether the temperature of the fuel gas exceeds a preset value or not, and if the temperature of the fuel gas exceeds the preset value, the gas inlet of the fuel gas is cut off.

Referring to fig. 2 and 3, the gas flow control assembly comprises an ignition valve stem 8, the ignition valve stem 8 being slidably connected to the housing 2. One end of an ignition valve air rod 8 is inserted into the shell 2, and the other end of the ignition valve air rod extends out of the shell 2. Ignition valve gas pole 8 is located the one end of shell 2 and has cup jointed ignition reset spring 81, ignition reset spring 81 one end and shell 2 butt, and the other end cup joints on ignition valve gas pole 8, and ignition reset spring 81 is used for resetting after ignition valve gas pole 8 slides. The ignition valve gas lever 8 is located in the housing 2 and has a larger diameter at a portion contacting the inner wall of the housing 2 than the remaining portion of the ignition valve gas lever 8.

Referring to fig. 2 and 3, a fixing plate 21 is provided on the housing 2 near the smaller diameter end of the ignition valve stem 8, and the ignition valve stem and the main valve stem 9 pass through the fixing plate 21. The end of the ignition valve gas rod 8 with smaller diameter is provided with a copper sleeve 92, and the copper sleeve 92 is arranged in the shell 2 and is abutted against a fixed sheet 21 arranged on the shell 2. The shell 2 close to one end of the copper sleeve 92 is provided with an ignition nozzle 82, the ignition nozzle 82 is communicated with the cavity, and the ignition valve air rod 8 is used for closing and opening fuel gas flowing from the cavity to the ignition nozzle 82.

Referring to fig. 2 and 3, the gas flow control assembly comprises a main valve stem 9, the main valve stem 9 being slidably connected to the housing 2. One end of a main valve gas rod 9 is inserted into the shell 2, the other end extends out of the shell 2, and the diameter of the rod part of the main valve gas rod 9, which is positioned in the shell 2 and is contacted with the inner wall of the shell 2, is larger than the diameter of the rest rod parts of the main valve gas rod 9. The end of the main valve gas rod 9 with smaller diameter is provided with a copper sleeve 92, and the copper sleeve 92 is arranged in the shell 2 and is abutted against a fixing piece 21 arranged on the shell 2. The main valve stem 9 is used to close and open the gas flowing from the cavity to the main outlet channel 32. The great one end of main valve gas pole 9 diameter has cup jointed main valve reset spring 91, and main valve reset spring 91 one end and shell 2 butt, the great one end of other end joint and main valve gas pole 9 diameter, main valve reset spring 91 are used for resetting after main valve gas pole 9 slides.

Referring to fig. 2 and 3, in the present embodiment, the gas range is provided with a start-up protector and an igniter, which is electrically connected to the start-up protector. When the gas stove is started, a starting protection button needs to be pressed to electrify an igniter of the gas stove, at the moment, the main valve gas rod 9 and the ignition valve gas rod 8 are pushed upwards, the ignition nozzle 82 is communicated with the cavity, the main gas outlet channel 32 is communicated with the cavity, the copper needle 7 is pushed towards the direction of the butting rod 63 to enable the copper needle 7 to push the butting rod 63 to move towards the direction of the top arm reset spring 65, after the trigger rod 62 is pushed to open the electromagnetic valve 5, gas in the main gas outlet channel 32 enters the cavity from the electromagnetic valve 5, the gas in the cavity respectively enters the main gas outlet channel 32 and the ignition nozzle 82, the gas in the main gas outlet channel 32 enters the gas stove from the gas nozzle 10, the igniter ignites the gas flowing out of the ignition nozzle 82, and the ignited gas on the gas stove is ignited to realize ignition.

Referring to fig. 2 and 3, an emergency cut-off valve 4 is arranged on the air inlet pipe 1, and the emergency cut-off valve 4 is rotatably connected with the air inlet pipe 1. The emergency cut-off valve 4 comprises a valve rod 41, a limiting sheet 44 and a handle 43, the valve rod 41 penetrates through the air inlet pipe 1 and is rotatably connected with the air inlet pipe 1, one end of the valve rod 41 is fixedly connected with the handle 43, and the other end of the valve rod is provided with a nut 45 which is in threaded connection with the valve rod 41. The end of the valve rod 41 provided with the nut 45 is sleeved with the abutting spring 42, one end of the abutting spring 42 abuts against the outer side wall of the air inlet pipe 1, and the other end of the abutting spring 42 abuts against the end portion of the nut 45. An abutment spring 42 is provided to keep the valve stem 41 stable while maintaining a connection structure rotatably connected to the intake pipe 1.

Referring to fig. 2 and 3, the limiting plate 44 is arranged in a circular shape, the limiting plate 44 is sleeved on the valve rod 41 and is fixedly connected with the valve rod 41, an arc-shaped limiting groove is formed in the position of the air inlet pipe 1 facing the limiting plate 44, a protruding piece is arranged on the limiting plate 44 in a protruding mode, and the protruding piece is located in the limiting groove. Clockwise rotation valve rod 41, the through-hole on the valve rod 41 is crisscross with the gas circuit of intake pipe 1, and spacing piece 44's lug rotates ninety degrees back and spacing groove lateral wall butt at valve rod 41 for valve rod 41 can not continue clockwise rotation, guarantees that the through-hole of valve rod 41 and the gas circuit of intake pipe 1 are crisscross, in order to cut off the gas circuit of intake pipe 11.

The application discloses ignition control switch device for gas-cooker's theory of operation as follows:

the gas inlet pipe 1 is connected with gas, the gas is conveyed to the main gas inlet channel 31 from the gas inlet pipe 1, the gas pushes the ball 33 to move towards the gas nozzle 10, so that a gas path between the gas inlet pipe 1 and the main gas outlet channel 32 is blocked, and the gas is conveyed to the secondary gas inlet channel 51 of the electromagnetic valve 5 from the main gas inlet channel 31; the starting protection button is pressed down, the main valve gas rod 9 and the ignition valve gas rod 8 are pushed up, the ignition nozzle 82 is communicated with the cavity, the main gas outlet channel 32 is communicated with the cavity, the copper needle 7 is pushed towards the abutting rod 63 so that the copper needle 7 pushes the abutting rod 63 to move towards the direction of the top arm reset spring 65, at the moment, the positioning rod 64 slides along the side wall of the circular ring, the triggering rod 62 penetrates through the secondary gas outlet channel 52 and then contacts with the electromagnetic valve 5 to trigger the electromagnetic valve 5, gas in the main gas outlet channel 32 enters the cavity from the electromagnetic valve 5, the gas in the cavity respectively enters the main gas outlet channel 32 and the ignition nozzle 82, the gas in the main gas outlet channel 32 enters the gas stove from the gas nozzle 10, the igniter ignites the gas flowing out from the ignition nozzle 82, and therefore ignition is achieved.

After the ignition is successful, the force pushing the copper needle 7 and the ignition valve gas rod 8 is removed, the copper needle 7 is reset under the counterforce of the copper needle reset spring 71, the top arm 6 is reset under the counterforce of the top arm reset spring 65, and the ignition valve gas rod 8 is reset under the counterforce of the ignition reset spring 81; the thermocouple is heated to generate current, so that the electromagnetic valve 5 is kept in attraction, and the air paths of the main air inlet channel 31 and the main air outlet channel 32 are kept unblocked; the distance of the upper top of the main valve gas rod 9 is adjusted, so that the flow of the gas conveyed to the main gas outlet channel 32 can be adjusted, and the firepower of the gas stove is adjusted.

The above examples are only intended to illustrate the technical solution of the present invention, but not to limit it; although the present invention has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; such modifications and substitutions do not substantially depart from the spirit and scope of the embodiments of the present invention, and are intended to be included within the scope of the present invention.

Claims (8)

1. An ignition switch device for a gas cooker, characterized in that: carry piece and ignition control spare including the gas, the gas is carried the piece and is linked up with ignition control spare, and ignition control spare includes shell (2), and shell (2) and the one end fixed connection that the piece was carried to the gas are equipped with the cavity in shell (2), and the cavity carries the piece intercommunication with the gas, and fixedly connected with goes up ignition mouth (82) of fixedly connected with and cavity intercommunication on shell (2), lies in the gas in the cavity and carries the piece and ignition mouth (82) between be equipped with the gas circulation control assembly of control gas circulation.

2. An ignition switch device for a gas range as defined in claim 1, wherein: the gas conveying piece comprises a gas inlet pipe (1) and a conveying block (3), one end of the conveying block (3) is connected with the gas inlet pipe (1), the other end of the conveying block is fixedly connected with the shell (2), an emergency cut-off valve (4) is arranged on the gas inlet pipe (1), and the emergency cut-off valve (4) is fixedly connected with the gas inlet pipe (1).

3. An ignition switch device for a gas range as defined in claim 2, wherein: carry main inlet channel (31) and main outlet channel (32) that set up side by side from top to bottom to offer in piece (3), main inlet channel (31) and intake pipe (1) intercommunication, carry piece (3) fixedly connected with gas mouth (10), gas mouth (10) and main outlet channel (32) intercommunication, the position department of gas mouth (10) and main outlet channel (32) intercommunication is equipped with ball (33), ball (33) shelter from the junction at gas mouth (10) and main outlet channel (32), ball (33) and main outlet channel (32) butt.

4. An ignition switch device for a gas range as defined in claim 2, wherein: the gas circulation control assembly comprises an electromagnetic valve (5) which is arranged close to a shell (2) at one end of the conveying block (3), the air inlet end of the electromagnetic valve (5) is communicated with the main air inlet channel through a secondary air inlet channel (51), the air outlet end of the electromagnetic valve (5) is communicated with the cavity through a secondary air outlet channel (52), and a top arm (6) which is started or closed to the electromagnetic valve (5) is arranged in the shell (2) at one end close to the secondary air outlet channel (52).

5. An ignition switch device for a gas range as defined in claim 4, wherein: the top arm (6) comprises a vertical rod (61) and a top arm reset spring (65), a trigger rod (62) is fixed at one end of the vertical rod (61), the trigger rod (62) is horizontally arranged towards the direction of the electromagnetic valve (5) in an extending mode, a butting rod (63) is arranged on one side, away from the trigger rod (62), of the vertical rod (61), the butting rod (63) is fixedly connected with the vertical rod (61), a circular ring is arranged on the bottom wall of the cavity in a protruding mode, a circular positioning rod (64) is fixed at one end, away from the trigger rod (62), of the vertical rod (61), the side wall of the positioning rod (64) is abutted to the side wall of the circular ring, one end of the top arm reset spring (65) is fixedly connected with the top wall of the cavity, the other end of the top arm is fixedly connected with the butting rod (63) of the top arm (6), a joint (72) is arranged on the shell close to one end of the butting rod (63), the joint (72) is fixedly connected with the shell (2), a copper needle (7) is arranged in the joint (72), one end of the copper needle (7) extends into the cavity and is abutted to the copper needle (71), a copper needle (71) and a copper reset spring (71) and a clamp spring (71) is arranged on the copper needle (71), copper cap (74) cup joints on copper needle (7), jump ring (73) and copper cap (74) butt and cup joint on copper needle (7).

6. An ignition switch device for a gas range as defined in claim 5, wherein: gas circulation control assembly includes ignition valve gas pole (8), ignition valve gas pole (8) and shell (2) sliding connection, plug in shell (2) of ignition valve gas pole (8) one end, shell (2) are stretched out to the other end, the one end of keeping away from that ignition valve gas pole (8) stretch out is equipped with ignition reset spring (81), ignition reset spring (81) one end is cup jointed on ignition valve gas pole (8), the other end and shell (2) inner wall butt, ignition valve gas pole (8) are opened or are closed the gas between cavity and ignition mouth (82).

7. An ignition switch device for a gas range as defined in claim 1, wherein: the gas circulation control assembly comprises a main valve gas rod (9), the main valve gas rod (9) is in sliding connection with a shell (2), one end of the main valve gas rod (9) is connected with the shell (2) in an inserting mode, the other end of the main valve gas rod extends out of the shell (2), one end, far away from the main valve gas rod (9), extending out of the main valve gas rod is provided with a main valve reset spring (91), one end of the main valve reset spring (91) is connected with the main valve gas rod (9) in an sleeved mode, the other end of the main valve reset spring is connected with the inner wall of the shell (2) in an abutting mode, and the main valve gas rod (9) is opened or is closed to gas between a cavity and a main gas outlet channel (32).

8. An ignition switch device for a gas range as defined in claim 7, wherein: the emergency cut-off valve (4) comprises a valve rod (41), a limiting piece (44), a handle (43) and a butt spring (42), the valve rod (41) penetrates through an air inlet pipe (1) to be rotatably connected with the air inlet pipe (1), one end of the valve rod (41) is fixedly connected with the handle (43), the other end of the limiting piece (44) is connected, the butt spring (42) is sleeved on the valve rod (41) and abutted against the limiting piece (44), a nut (45) is arranged on the valve rod (41) close to the butt spring, the nut (45) is in threaded connection with the valve rod (41), and a through hole is formed in the part, located in the air inlet pipe (1), of the valve rod (41) in a penetrating mode.

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