CN220016148U

CN220016148U - Gas control valve

Info

Publication number: CN220016148U
Application number: CN202320663500.8U
Authority: CN
Inventors: 李华登
Original assignee: Zhongshan Frd Gas Appliance Co ltd
Current assignee: Zhongshan Frd Gas Appliance Co ltd
Priority date: 2023-03-29
Filing date: 2023-03-29
Publication date: 2023-11-14
Anticipated expiration: 2033-03-29

Abstract

The utility model discloses a gas control valve, which comprises a valve body and an adjusting component. The valve body is provided with a valve cavity which comprises an air inlet cavity and an air outlet cavity which are mutually independent. The valve rod is rotatably arranged on the valve body and is connected with the valve core, and the valve rod can drive the valve core to rotate relative to the valve body to open or close the communication hole; the outer part of the valve body is also provided with an air outlet pipe communicated with the air outlet cavity, and the air outlet pipe and the valve body are of an integrated structure. Through setting up outlet duct and valve body as integrated into one piece structure, then can improve the gas tightness of gas control valve, avoid gas to appear gas leakage etc. bad phenomenon when flowing to the outlet duct from the chamber of giving vent to anger. In addition, the structure can save the assembly time between the air outlet pipe and the valve body, so that the production and processing of the gas control valve are more convenient.

Description

Gas control valve

Technical Field

The utility model relates to the technical field of valves, in particular to a gas control valve.

Background

At present, a valve body of the gas control valve is generally provided with a valve cavity, the valve cavity comprises an air inlet cavity and an air outlet cavity which are mutually independent, the valve body is also provided with an air outlet pipe communicated with the air outlet cavity, and gas is conveyed to a furnace end through the air outlet pipe. The valve core is rotatably arranged in the air inlet cavity, and the valve core is provided with a through hole which can be communicated with the air inlet cavity and the air outlet cavity, so that the communication or disconnection of the air inlet cavity and the air outlet cavity can be controlled by rotating the valve core.

In the structure, the air outlet pipe is generally fixedly arranged on the valve body through the bolt fastener, gas is easy to leak when flowing from the air outlet cavity to the air outlet pipe, and the gas control valve is required to be manufactured and processed respectively on the valve body and the air outlet pipe during production, and then the valve body and the air outlet pipe are assembled, so that the process is complex, the time consumption is long, and the production cost of the gas control valve is increased.

Disclosure of Invention

The present utility model aims to solve at least one of the technical problems existing in the prior art. Therefore, the utility model provides the gas control valve which can be conveniently produced and processed and has better air tightness.

According to an embodiment of the utility model, a gas control valve includes: the valve body is provided with a valve cavity, and the valve cavity comprises an air inlet cavity and an air outlet cavity which are mutually independent; the valve rod is rotatably arranged on the valve body and is connected with the valve core, and the valve rod can drive the valve core to rotate relative to the valve body to open or close the communication hole; the outer part of the valve body is also provided with an air outlet pipe communicated with the air outlet cavity, and the air outlet pipe and the valve body are of an integrated structure.

The gas control valve provided by the embodiment of the utility model has at least the following beneficial effects:

through setting up outlet duct and valve body as integrated into one piece structure, can improve the gas tightness of gas control valve, avoid gas to appear gas leakage etc. bad phenomenon when flowing to the outlet duct from the chamber of giving vent to anger. In addition, the structure can save the assembly time between the air outlet pipe and the valve body, so that the production and processing of the gas control valve are more convenient.

According to some embodiments of the utility model, the outlet tube is cast integrally with the valve body.

According to some embodiments of the utility model, the air outlet pipe comprises a first air pipe and a second air pipe which are communicated with each other, the first air pipe and the second air pipe are of an integrated structure, the first air pipe is connected with the valve body, one end of the second air pipe is connected with the side wall of the first air pipe, and the other end of the second air pipe extends along the direction away from the side wall of the second air pipe.

According to some embodiments of the utility model, the first air tube has a first air outlet at an end thereof remote from the valve body, and the second air tube has a second air outlet at an end thereof remote from the first air tube.

According to some embodiments of the utility model, the valve body comprises a first shell and a second shell which are detachably connected, the first shell and the second shell are mutually enclosed to form the air outlet cavity, and the air outlet pipe and the first shell are of an integrated structure.

According to some embodiments of the utility model, the outer side wall of the first shell is provided with a first connecting part, the outer side wall of the second shell is provided with a second connecting part, the first connecting part is provided with first connecting holes, the second connecting part is provided with second connecting holes corresponding to the first connecting holes one by one, and the first shell is installed on the second shell by penetrating the first connecting holes and the second connecting holes through fasteners.

According to some embodiments of the utility model, one of the first shell and the second shell is provided with a mounting groove, the other is provided with a protruding part, a sealing element is mounted in the mounting groove, and the protruding part is pressed against the sealing element.

According to some embodiments of the utility model, the valve body further comprises a third shell detachably connected with the second shell, the third shell and the second shell enclose each other to form the air inlet cavity, an air inlet pipe communicated with the air inlet cavity is arranged on the outer wall of the second shell, and the air inlet pipe and the second shell are of an integrated structure.

According to some embodiments of the utility model, a communication channel for communicating the air inlet cavity with the air outlet cavity is formed in the bottom wall of the air inlet cavity, the valve core is arranged in the air inlet cavity and is attached to the bottom wall of the air inlet cavity, and the valve rod can drive the valve core to rotate relative to the valve body and enable the communication hole to coincide with or be staggered from the communication channel.

According to some embodiments of the present utility model, one end of the communication channel, which is far away from the air inlet cavity, is provided with a first air outlet channel and a second air outlet channel which are communicated with the air outlet cavity, the valve body is provided with a temperature control device, the temperature control device comprises a temperature sensing piece, a connecting rod and an adjusting plate, the temperature sensing piece is arranged on the valve body, one end of the connecting rod is movably inserted into the valve rod, the other end of the connecting rod is in threaded connection with the temperature sensing piece, the adjusting plate is sleeved on the connecting rod and is located in the air outlet cavity, the temperature sensing piece can drive the connecting rod to move along the axial direction of the valve rod according to temperature change and enable the adjusting plate to move close to or far away from an outlet of the second air outlet channel, and the valve rod can drive the connecting rod to rotate and enable the adjusting plate to move close to or far away from an outlet of the second air outlet channel.

Additional aspects and advantages of the utility model will be set forth in part in the description which follows, and in part will be obvious from the description, or may be learned by practice of the utility model.

Drawings

The foregoing and/or additional aspects and advantages of the utility model will become apparent and may be better understood from the following description of embodiments taken in conjunction with the accompanying drawings in which:

FIG. 1 is a schematic diagram of a gas control valve according to an embodiment of the present utility model;

FIG. 2 is a schematic cross-sectional view of the gas control valve shown in FIG. 1;

fig. 3 is another cross-sectional schematic view of the gas control valve shown in fig. 1.

Reference numerals:

valve body 100, intake chamber 101, outlet chamber 102, valve stem 110, valve core 120, communication hole 121, first housing 130, first connection portion 131, second housing 140, second connection portion 141, fourth connection portion 142, third housing 150, third connection portion 151, seal 160, communication channel 170, first outlet channel 171, second outlet channel 172, temperature sensing member 180, adjustment plate 181, connection rod 182;

outlet pipe 200, first trachea 210, second trachea 220, nozzle 230, shutoff piece 240, intake pipe 250.

Detailed Description

Embodiments of the present utility model are described in detail below, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to like or similar elements or elements having like or similar functions throughout. The embodiments described below by referring to the drawings are illustrative only and are not to be construed as limiting the utility model.

In the description of the present utility model, it should be understood that references to orientation descriptions such as upper, lower, front, rear, left, right, etc. are based on the orientation or positional relationship shown in the drawings, are merely for convenience of description of the present utility model and to simplify the description, and do not indicate or imply that the apparatus or elements referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus should not be construed as limiting the present utility model.

In the description of the present utility model, a number means one or more, a number means two or more, and greater than, less than, exceeding, etc. are understood to not include the present number, and above, below, within, etc. are understood to include the present number. The description of the first and second is for the purpose of distinguishing between technical features only and should not be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated or implicitly indicating the precedence of the technical features indicated.

In the description of the present utility model, unless explicitly defined otherwise, terms such as arrangement, installation, connection, etc. should be construed broadly and the specific meaning of the terms in the present utility model can be reasonably determined by a person skilled in the art in combination with the specific contents of the technical scheme.

Referring to fig. 1 to 3, an embodiment of the present utility model proposes a gas control valve including a valve body 100 and a regulating assembly. The valve body 100 has a valve chamber including an inlet chamber 101 and an outlet chamber 102 that are independent of each other. The adjusting assembly comprises a valve rod 110 and a valve core 120, the valve core 120 is arranged in the air inlet cavity 101, the valve core 120 is provided with a communication hole 121 capable of communicating the air outlet cavity 102 with the air inlet cavity 101, the valve rod 110 is rotatably arranged on the valve body 100 and is connected with the valve core 120, and the valve rod 110 can drive the valve core 120 to rotate relative to the valve body 100 so as to open or close the communication hole 121. Wherein, the outside of the valve body 100 is also provided with an air outlet pipe 200 communicated with the air outlet cavity 102, and the air outlet pipe 200 and the valve body 100 are of an integrated structure.

In the above structure, the adjusting lever can be driven to rotate relative to the valve body 100 by rotating the valve stem 110, so that the communication hole 121 communicates with the air inlet cavity 101 and the air outlet cavity 102, or the valve core 120 separates the air inlet cavity 101 and the air outlet cavity 102, thereby realizing the opening or closing of the gas control valve. By arranging the air outlet pipe 200 and the valve body 100 into an integrated structure, the air tightness of the gas control valve can be improved, and adverse phenomena such as air leakage and the like when gas flows from the air outlet cavity 102 to the air outlet pipe 200 are avoided. In addition, the structure can also save the assembly time between the air outlet pipe 200 and the valve body 100, so that the production and processing of the gas control valve are more convenient.

It will be appreciated that referring to fig. 2 and 3, the valve core 120 may be specifically configured as a plate-shaped structure, and the structure may be obtained by stamping, cutting, etc., that is, the processing technology is simple, so that the production and processing of the valve core 120 are facilitated, and the production cost can be reduced. Of course, other common structures may be used for the valve core 120, and the present utility model is not limited thereto. In addition, the valve cartridge 120 is coupled to the valve stem 110, wherein the valve cartridge 120 may be specifically sleeved with the outer circumference of the valve stem 110, thereby enabling easy production and assembly of the valve cartridge 120 and the valve stem 110. Of course, in addition to this, the valve element 120 and the valve stem 110 may be integrally formed or may be connected by other means such as a snap-fit connection, which is not particularly limited to this.

It should be understood that the above-mentioned valve core 120 is merely an exemplary illustration of the arrangement of the valve core 120 in the air inlet cavity 101 in fig. 2 and 3, and the valve core 120 may be arranged in the air outlet cavity 102 instead of the valve core 120.

Referring to fig. 1-3, in some embodiments, outlet tube 200 is integrally cast with valve body 100.

In the above structure, the gas outlet pipe 200 and the valve body 100 are integrally cast to form the gas outlet passage during casting, so that not only the structural strength of the gas control valve can be improved, but also the sealing performance of the gas outlet passage can be improved, and adverse phenomena such as gas leakage and the like when gas flows from the gas outlet cavity 102 to the gas outlet pipe 200 can be avoided.

Referring to fig. 1 to 3, in some embodiments, the air outlet pipe 200 includes a first air pipe 210 and a second air pipe 220 which are communicated with each other, the first air pipe 210 and the second air pipe 220 are integrally formed, the first air pipe 210 is connected to the valve body 100, one end of the second air pipe 220 is connected to a sidewall of the first air pipe 210, and the other end extends along a direction away from the sidewall of the second air pipe 220.

In the above-mentioned structure, through setting up first trachea 210 and second trachea 220 that are intercommunicated, first trachea 210 is connected in valve body 100, and second trachea 220 one end is connected in the lateral wall of first trachea 210, and the other end extends along the direction of keeping away from second trachea 220 lateral wall, is equivalent to the structure that outlet duct 200 was provided with the return bend from this, has avoided setting up outlet duct 200 into the shape of straight tube, and then can improve outlet duct 200's structural strength, avoids outlet duct 200 to appear deformation, rupture etc. adverse phenomenon because of external force collision or extrusion. In addition, the other end of the second air pipe 220 extends along a direction away from the side wall of the second air pipe 220, so that the layout of the air outlet pipe 200 can be facilitated, and the space utilization rate can be improved.

Referring to fig. 1 to 3, in some embodiments, the first air pipe 210 has a first air outlet at an end remote from the valve body 100, and the second air pipe 220 has a second air outlet at an end remote from the first air pipe 210.

In the structure, through setting up first gas outlet and second gas outlet, the user can select the use of gas outlet in a flexible way as required, and the user can select one to use as required or use simultaneously, and then can improve the suitability of gas control valve, satisfies customer's user demand.

It will be appreciated that referring to fig. 1 to 3, the first air outlet is fitted with a blocking member 240 and the second air outlet is fitted with a nozzle 230, whereby the fuel gas can be ejected from the nozzle 230 of the second air outlet. Of course, in addition to this, the nozzle 230 may be installed at the first air outlet, the blocking member 240 may be installed at the second air outlet, the nozzle 230 may be installed at both the first air outlet and the second air outlet, or the blocking member 240 may be installed at both the first air outlet and the second air outlet, as needed. It should be understood that, in addition to the nozzle 230 or the blocking member 240, the first air outlet and the second air outlet may be connected to a gas pipe or other structures, which is not limited in particular.

Referring to fig. 1 to 3, in some embodiments, the valve body 100 includes a first housing 130 and a second housing 140 that are detachably connected, the first housing 130 and the second housing 140 enclose each other to form the air outlet chamber 102, and the air outlet pipe 200 and the first housing 130 are integrally formed.

In the above structure, by providing the first housing 130 and the second housing 140 which are detachably connected, the first housing 130 and the second housing 140 enclose each other to form the air outlet cavity 102, thereby facilitating the installation and maintenance of the components in the air outlet cavity 102. With outlet duct 200 and first casing 130 integrated into one piece, then can improve the leakproofness of giving vent to anger the passageway, saved the assembly process between outlet duct 200 and the first casing 130 simultaneously, the production and processing of the gas control valve of being convenient for.

Referring to fig. 1, in some embodiments, a first connecting portion 131 is disposed on an outer side wall of the first housing 130, a second connecting portion 141 is disposed on an outer side wall of the second housing 140, a first connecting hole is formed in the first connecting portion 131, second connecting holes corresponding to the first connecting holes one by one are formed in the second connecting portion 141, and the first housing 130 is mounted on the second housing 140 through fasteners penetrating through the first connecting holes and the second connecting holes.

In the above structure, the first and second cases 130 and 140 are coupled together through the first and second coupling holes by the fastening members, and have a simple structure, and are convenient to install and detach.

It will be appreciated that the above-described fastener may be a bolt fastener or a screw fastener or other fastening structure, and the present utility model is not particularly limited thereto.

It should be understood that, in addition to the first housing 130 being installed on the second housing 140 through the first connecting hole and the second connecting hole by the fastener, the first housing 130 may be detachably connected to the second housing 140 by a fastening structure or other connecting structures, which is not particularly limited in the present utility model.

Referring to fig. 2 and 3, in some embodiments, the second housing 140 is provided with a mounting groove, the first housing 130 is provided with a protrusion, and the sealing member 160 is mounted in the mounting groove, and the protrusion is pressed against the sealing member 160.

In the above-mentioned structure, the bellying can extrude seal 160, supports seal 160 and presses in the mounting groove, and from this, the cooperation of mounting groove and bellying can make the installation of seal 160 more firm, and then can improve the sealing performance of gas control valve.

It should be understood that the second housing 140 is provided with a mounting groove, the first housing 130 is provided with a protruding portion, and only one exemplary illustration of fig. 2 and 3 is provided, but the first housing 130 may be provided with a mounting groove, and the second housing 140 is provided with a protruding portion, which is not particularly limited in this utility model, only one of the first housing 130 and the second housing 140 needs to be provided with a mounting groove, and the other one is provided with a protruding portion.

It should be understood that the sealing member 160 may be a rubber member, a silicone member, or other structures with sealing function, which is not particularly limited.

Referring to fig. 1 to 3, in some embodiments, the valve body 100 further includes a third housing 150 detachably connected to the second housing 140, the third housing 150 and the second housing 140 enclose each other to form the air intake chamber 101, an air intake pipe 250 communicating with the air intake chamber 101 is provided on an outer wall of the second housing 140, and the air intake pipe 250 and the second housing 140 are integrally formed.

In the above structure, by providing the third housing 150 detachably connected to the second housing 140, the third housing 150 and the second housing 140 enclose each other to form the air intake cavity 101, thereby facilitating the installation and maintenance of the components in the air intake cavity 101. With intake pipe 250 and second casing 140 integrated into one piece, then can improve the leakproofness of intake passage, saved the assembly process between intake pipe 250 and the second casing 140 simultaneously, be convenient for the production and processing of gas control valve.

It is understood that the same structure between the first case 130 and the second case 140 may be adopted between the second case 140 and the third case 150. Referring to fig. 1, the outer sidewall of the third housing 150 may be provided with a third connection portion 151, the outer sidewall of the second housing 140 is provided with a fourth connection portion 142, the third connection portion 151 is provided with third connection holes, the fourth connection portion 142 is provided with fourth connection holes corresponding to the third connection holes one by one, and the third housing 150 is mounted on the second housing 140 through fasteners penetrating through the third connection holes and the fourth connection holes. Wherein the fasteners may be bolt fasteners or screw fasteners or other fastening structures. Similarly, one of the second housing 140 and the third housing 150 may be provided with a mounting groove, and the other may be provided with a protrusion, and the sealing member 160 may be mounted in the mounting groove, and the protrusion may be pressed against the sealing member 160. Therefore, the mounting groove and the protruding portion are matched, so that the sealing piece 160 can be mounted more firmly, and the sealing performance of the gas control valve can be improved.

Referring to fig. 2 and 3, in some embodiments, a bottom wall of the air inlet cavity 101 is provided with a communication channel 170 that communicates the air inlet cavity 101 with the air outlet cavity 102, the valve core 120 is disposed in the air inlet cavity 101 and is attached to the bottom wall of the air inlet cavity 101, and the valve rod 110 can drive the valve core 120 to rotate relative to the valve body 100 and make the communication hole 121 coincide with or stagger with the communication channel 170.

In the above structure, the communicating channel 170 is formed in the bottom wall of the air inlet cavity 101, so that the valve core 120 is attached to the bottom wall of the air inlet cavity 101, the structure is simple, the production and processing are convenient, and meanwhile, the gas can be prevented from flowing from the gap between the valve core 120 and the bottom wall of the air inlet cavity 101 to the air outlet cavity 102. When in use, the valve rod 110 is rotated to drive the valve core 120 to rotate relative to the valve body 100, when the communication hole 121 coincides with the communication channel 170, the communication channel 170 can be opened, so that the air inlet cavity 101 is communicated with the air outlet cavity 102, and the fuel gas in the air inlet cavity 101 can flow into the air outlet cavity 102 through the communication channel 170; when the communication hole 121 is staggered from the communication channel 170, the communication channel 170 can be closed, so that the air inlet cavity 101 and the air outlet cavity 102 are separated, and the structure is simple and the operation is easy.

Referring to fig. 2 and 3, in some embodiments, the end of the communication channel 170 remote from the gas inlet chamber 101 has a first gas outlet channel 171 and a second gas outlet channel 172 that communicate with the gas outlet chamber 102. The temperature control device is installed to valve body 100, temperature control device includes temperature sensing piece 180, connecting rod 182 and regulating plate 181, valve body 100 is located to temperature sensing piece 180, connecting rod 182 one end activity grafting is in valve rod 110, the other end and temperature sensing piece 180 threaded connection, connecting rod 182 is located to regulating plate 181 cover and is located out air cavity 102, temperature sensing piece 180 can drive connecting rod 182 along the axial displacement of valve rod 110 and make regulating plate 181 remove to be close to or keep away from the export of second gas outlet channel 172 according to temperature variation, valve rod 110 can drive connecting rod 182 rotation and make regulating plate 181 remove to be close to or keep away from the export of second gas outlet channel 172.

In the above structure, by providing the first air outlet channel 171 and the second air outlet channel 172 at the end of the communication channel 170 away from the air inlet chamber 101, the valve stem 110 can drive the connecting rod 182 to rotate and make the adjusting plate 181 move close to or away from the outlet of the second air outlet channel 172, thereby opening or closing the second air outlet channel 172 as required, and further adjusting the amount of fuel in the air outlet pipe 200. The temperature sensing piece 180 can drive the connecting rod 182 to move along the axial direction of the valve rod 110 according to temperature change and enable the adjusting plate 181 to move close to or far away from the outlet of the second air outlet channel 172, so that the gas amount of the air outlet pipe 200 can be adjusted according to temperature change, namely, the second air outlet channel 172 is closed when the temperature is higher than a preset value, the gas amount in the air outlet pipe 200 is reduced, further, the fire power can be reduced, safety accidents are prevented, when the temperature is lower than the preset value, the second air outlet channel 172 can be opened, the gas amount in the air outlet pipe 200 is increased, and further, the fire power can be increased.

It can be understood that one end of the connecting rod 182 is movably inserted into the valve rod 110, and specifically, one of the valve rod 110 and the connecting rod 182 is provided with a slot, and the other is movably inserted into the slot. Specifically, in order that the valve rod 110 can drive the connection rod 182 to rotate, and meanwhile, the connection rod 182 can move along the axial direction of the valve rod 110, the slot may be configured to be non-circular, such as polygonal, elliptical, etc., which is not particularly limited in the present utility model.

The embodiments of the present utility model have been described in detail with reference to the accompanying drawings, but the present utility model is not limited to the above embodiments, and various changes can be made within the knowledge of one of ordinary skill in the art without departing from the spirit of the present utility model.

Claims

1. The gas control valve, its characterized in that includes:

a valve body (100) having a valve cavity including an air inlet cavity (101) and an air outlet cavity (102) independent of each other;

the valve rod (110) is rotatably arranged on the valve body (100) and is connected with the valve core (120), and the valve rod (110) can drive the valve core (120) to rotate relative to the valve body (100) to open or close the communication hole (121);

the outside of the valve body (100) is also provided with an air outlet pipe (200) communicated with the air outlet cavity (102), and the air outlet pipe (200) and the valve body (100) are of an integrated structure.

2. The gas control valve according to claim 1, characterized in that the outlet pipe (200) is cast integrally with the valve body (100).

3. The gas control valve according to claim 1 or 2, wherein the gas outlet pipe (200) comprises a first gas pipe (210) and a second gas pipe (220) which are communicated with each other, the first gas pipe (210) and the second gas pipe (220) are of an integrally formed structure, the first gas pipe (210) is connected to the valve body (100), one end of the second gas pipe (220) is connected to a side wall of the first gas pipe (210), and the other end extends in a direction away from the side wall of the second gas pipe (220).

4. A gas control valve according to claim 3, characterized in that the end of the first gas pipe (210) remote from the valve body (100) has a first gas outlet, and the end of the second gas pipe (220) remote from the first gas pipe (210) has a second gas outlet.

5. The gas control valve according to claim 1, wherein the valve body (100) includes a first housing (130) and a second housing (140) that are detachably connected, the first housing (130) and the second housing (140) enclose each other to form the gas outlet cavity (102), and the gas outlet pipe (200) and the first housing (130) are integrally formed.

6. The gas control valve according to claim 5, wherein the outer side wall of the first housing (130) is provided with a first connecting portion (131), the outer side wall of the second housing (140) is provided with a second connecting portion (141), the first connecting portion (131) is provided with a first connecting hole, the second connecting portion (141) is provided with a second connecting hole corresponding to the first connecting hole one by one, and the first housing (130) is mounted on the second housing (140) by penetrating the first connecting hole and the second connecting hole through a fastener.

7. The gas control valve according to claim 5 or 6, wherein one of the first housing (130) and the second housing (140) is provided with a mounting groove, and the other is provided with a boss, and a seal member (160) is mounted in the mounting groove, and the boss is pressed against the seal member (160).

8. The gas control valve according to claim 5, wherein the valve body (100) further comprises a third housing (150) detachably connected to the second housing (140), the third housing (150) and the second housing (140) enclose each other to form the gas inlet cavity (101), an air inlet pipe (250) communicating with the gas inlet cavity (101) is provided on an outer wall of the second housing (140), and the air inlet pipe (250) and the second housing (140) are in an integral structure.

9. The gas control valve according to claim 1, wherein a communication channel (170) for communicating the gas inlet chamber (101) with the gas outlet chamber (102) is formed in a bottom wall of the gas inlet chamber (101), the valve core (120) is disposed in the gas inlet chamber (101) and is attached to the bottom wall of the gas inlet chamber (101), and the valve rod (110) can drive the valve core (120) to rotate relative to the valve body (100) and enable the communication hole (121) to coincide with or stagger with the communication channel (170).

10. The gas control valve according to claim 9, wherein an end of the communication passage (170) remote from the gas inlet chamber (101) has a first gas outlet passage (171) and a second gas outlet passage (172) communicating with the gas outlet chamber (102),

the valve body (100) is provided with a temperature control device, the temperature control device comprises a temperature sensing piece (180), a connecting rod (182) and an adjusting plate (181), the temperature sensing piece (180) is arranged on the valve body (100), one end of the connecting rod (182) is movably inserted into the valve rod (110), the other end of the connecting rod is in threaded connection with the temperature sensing piece (180), the adjusting plate (181) is sleeved on the connecting rod (182) and is positioned in the air outlet cavity (102),

the temperature sensing piece (180) can drive the connecting rod (182) to move along the axial direction of the valve rod (110) according to temperature change and enable the adjusting plate (181) to move close to or far away from the outlet of the second air outlet channel (172),

the valve rod (110) can drive the connecting rod (182) to rotate and enable the adjusting plate (181) to move close to or far away from the outlet of the second air outlet channel (172).