Water-gas linkage valve and gas appliances

Abstract

The utility model relates to the technical field of gas appliances, and discloses a water-gas linkage valve and a gas appliance. The water-gas linkage valve comprises a gas valve assembly, which comprises a valve body, a solenoid valve, a gas valve core assembly and a pressure-stabilizing valve. The valve body is provided with a first installation cavity and a second installation cavity, the first installation cavity is used to install the solenoid valve, and the second installation cavity is used to install the gas valve core assembly. The pressure-stabilizing valve comprises a pressure-stabilizing valve body, and the valve body and the pressure-stabilizing valve body are detachably connected. The valve body comprises a first installation surface, a first air outlet and a first air inlet are arranged on the first installation surface, the first air outlet is communicated with the first installation cavity, and the first air inlet is communicated with the second installation cavity. The pressure-stabilizing valve body comprises a second installation surface, a second air inlet and a second air outlet are arranged on the second installation surface, the second air inlet is arranged corresponding to the first air outlet, and the second air outlet is arranged corresponding to the first air inlet. The first installation surface and the second installation surface are sealed and connected, so that the first air outlet is communicated with the second air inlet, and the second air outlet is communicated with the first air inlet.

Description

Technical Field

[0001] The utility model relates to the technical field of gas appliances, in particular to a water-gas linkage valve and a gas appliance. Background Art

[0002] Gas appliances such as gas water heaters and wall-mounted boilers all use gas as fuel to provide users with domestic hot water or heating hot water. They usually rely on water-gas linkage valves to control the opening of the gas valve and the gas pressure to provide users with water with different heat loads.

[0003] The water-gas linkage valve includes a pressure-stabilizing valve. The pressure-stabilizing valve of the water-gas linkage valve in the prior art is usually integrated between the solenoid valve and the gas valve core assembly on the gas valve body, which results in a more complex structure of the gas valve body, increased costs and inconvenient assembly. In addition, due to space limitations in the gas valve body, the channel connected to the pressure-stabilizing valve is smaller, resulting in greater pressure loss and limited gas output, and it can generally only be used on gas appliances with smaller capacity. Utility Model Content

[0004] The first technical problem solved by the utility model is to provide a water-gas linkage valve, which can effectively solve the problems of high cost and inconvenient assembly of the gas valve assembly of the existing water-gas linkage valve, and limited gas output, which can only be suitable for gas appliances with smaller capacity; the purpose of achieving a simple structure of the gas valve assembly, easy modular assembly, and suitable for gas appliances with larger capacity is achieved.

[0005] The second technical problem solved by the present invention is to provide a gas appliance, which can effectively solve the technical problems of high cost and inconvenient assembly of existing gas appliances, can reduce costs, facilitate assembly, and increase the capacity of the gas appliance.

[0006] The first technical problem mentioned above is solved by the following technical solution:

[0007] A water-gas linkage valve, comprising an air valve assembly, wherein the air valve assembly comprises a valve body, a solenoid valve, an air valve core assembly and a pressure-stabilizing valve, wherein a first installation cavity and a second installation cavity are provided in the valve body, wherein the first installation cavity is used to install the solenoid valve, and the second installation cavity is used to install the air valve core assembly, wherein the pressure-stabilizing valve comprises a pressure-stabilizing valve body, and the valve body and the pressure-stabilizing valve body are detachably connected;

[0008] The valve body comprises a first mounting surface, a first air outlet and a first air inlet are arranged on the first mounting surface, the first air outlet is communicated with the first mounting cavity, and the first air inlet is communicated with the second mounting cavity;

[0009] The pressure-stabilizing valve body comprises a second mounting surface, a second air inlet and a second air outlet are arranged on the second mounting surface, the second air inlet is arranged corresponding to the first air outlet, and the second air outlet is arranged corresponding to the first air inlet;

[0010] The first mounting surface and the second mounting surface are sealed and connected, so that the first air outlet is connected to the second air inlet, and the second air outlet is connected to the first air inlet.

[0011] Compared with the background technology, the water-gas linkage valve of the utility model has the following beneficial effects:

[0012] The utility model provides a water-gas linkage valve, in which the valve body of the air valve assembly is detachably connected to the pressure-stabilizing valve body, the first installation cavity on the valve body is used to install the solenoid valve, and the second installation cavity is used to install the air valve core component, by arranging a first air outlet connected with the first installation cavity and a first air inlet connected with the second installation cavity on the valve body, the first air outlet and the first air inlet are both located on the first installation surface, the pressure-stabilizing valve body is provided with a second air inlet and a second air outlet, the second air inlet and the second air outlet are both located on the second installation surface, during assembly, the first installation surface and the second installation surface are affixed and sealed, the first air outlet is butt-jointed with the second air inlet, and the second air outlet is butt-jointed with the first air inlet, the gas in the valve body enters the first air outlet after passing through the solenoid valve, and then enters the pressure-stabilizing valve through the second air inlet for pressure stabilization, and then enters the air valve core component in the valve body through the second air outlet and the first air inlet to adjust the gas flow. The gas valve assembly of the water-gas linkage valve simplifies the structural design of the valve body and reduces the manufacturing cost; it realizes the modular assembly of the pressure-stabilizing valve and improves the assembly efficiency; the size of the second air inlet and the second air outlet is not limited by the space of the valve body, the channel can be designed to be larger, the pressure loss of the pressure-stabilizing valve is small, the gas outlet volume is large, and it can be suitable for use with gas appliances with larger capacity.

[0013] In one embodiment, the first mounting surface and the second mounting surface are sealed and connected via a sealing ring;

[0014] A first sealing groove and a second sealing groove are provided on the first mounting surface or the second mounting surface, the first sealing groove is provided in the circumference of the first air outlet or the second air inlet, the second sealing groove is provided in the circumference of the first air inlet or the second air outlet, the sealing ring includes a first sealing ring and a second sealing ring, the first sealing ring is provided in the first sealing groove, and the second sealing ring is provided in the second sealing groove.

[0015] In one embodiment, a sealant is applied between the first mounting surface and the second mounting surface.

[0016] In one of the embodiments, an air inlet channel is provided in the valve body, the air inlet channel is connected with the first air outlet through the first installation cavity, and the solenoid valve is used to control the connection between the air inlet channel and the first air outlet.

[0017] In one embodiment, the center line of the air inlet channel is perpendicular to the center line of the first installation cavity, and the center line of the air inlet channel and the center line of the first installation cavity are both perpendicular to the center line of the first air outlet.

[0018] In one embodiment, the pressure-stabilizing valve also includes a pressure-stabilizing assembly, a third installation cavity and a first connecting channel are provided in the pressure-stabilizing valve body, the pressure-stabilizing assembly is arranged in the third installation cavity, the second air inlet is located on one side of the third installation cavity, the first connecting channel is located on the other side of the third installation cavity, the second air inlet can be connected with the first connecting channel through the pressure-stabilizing assembly, and the second air outlet is connected with the first connecting channel.

[0019] In one embodiment, the center line of the second air outlet and the center line of the second air inlet are both perpendicular to the center line of the first connecting channel, and the center line of the first connecting channel is perpendicular to the center line of the third installation cavity.

[0020] In one embodiment, the pressure-stabilizing assembly includes a pressure-stabilizing spring, a pressure-stabilizing diaphragm and a pressure-stabilizing valve core, the pressure-stabilizing diaphragm divides the third installation cavity into a regulating cavity and a pressure-stabilizing cavity, the pressure-stabilizing spring is arranged in the regulating cavity, the pressure-stabilizing valve core is arranged in the pressure-stabilizing cavity, an air port is arranged in the pressure-stabilizing cavity, a pressure-stabilizing part is arranged on the pressure-stabilizing valve core, the pressure-stabilizing part cooperates with the air port to divide the pressure-stabilizing cavity into an air inlet cavity and an air outlet cavity, the second air inlet is connected to the air inlet cavity, and the air outlet cavity is connected to the first connecting channel.

[0021] In one of the embodiments, a second communication channel is further provided in the valve body, and the first air inlet is communicated with the second communication channel through the second installation cavity.

[0022] The above second technical problem is solved by the following technical solution:

[0023] A gas appliance, comprising the water-gas linkage valve as described in any of the above schemes.

[0024] Compared with the background technology, the gas appliance provided by the utility model has the following beneficial effects:

[0025] The gas appliance provided by the utility model adopts the water-gas linkage valve, which is convenient to assemble, reduces the manufacturing cost and improves the capacity of the gas appliance. BRIEF DESCRIPTION OF THE DRAWINGS

[0026] In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the following briefly introduces the drawings required for use in the description of the embodiments of the present invention. Obviously, the drawings described below are only some embodiments of the present invention. For ordinary technicians in this field, other drawings can be obtained based on the contents of the embodiments of the present invention and these drawings without paying any creative work.

[0027] Figure 1 It is a structural schematic diagram of a water-gas linkage valve provided in a specific embodiment of the utility model;

[0028] Figure 2 It is an exploded schematic diagram of the gas valve assembly provided by the specific implementation mode of the utility model;

[0029] Figure 3 It is a structural schematic diagram of a valve body provided by a specific embodiment of the utility model;

[0030] Figure 4 It is a structural schematic diagram of a pressure-stabilizing valve body provided in a specific embodiment of the utility model;

[0031] Figure 5 It is a cross-sectional view of a valve body provided by a specific embodiment of the utility model;

[0032] Figure 6 This is a cross-sectional view of a pressure regulating valve provided by a specific embodiment of the utility model. Figure 1 ;

[0033] Figure 7 This is a cross-sectional view of a pressure regulating valve provided by a specific embodiment of the utility model. Figure 2 .

[0034] Description of labels:

[0035] 100, air valve assembly; 200, linkage valve assembly; 300, water valve assembly;

[0036] 1. valve body; 11. first mounting surface; 111. first air outlet; 112. first air inlet; 113. connecting hole; 12. air inlet passage; 13. first mounting cavity; 14. second mounting cavity; 15. second connecting passage;

[0037] 2. Pressure-stabilizing valve; 21. Pressure-stabilizing valve body; 211. Second mounting surface; 2111. Second air inlet; 2112. Second air outlet; 2113. First sealing groove; 2114. Second sealing groove; 2115. Threaded hole; 212. Third mounting cavity; 2121. Adjusting cavity; 2122. Air inlet cavity; 2123. Air outlet cavity; 2124. Air port; 213. First communicating channel; 2114. Second sealing groove; 22. Pressure-stabilizing assembly; 221. Pressure-stabilizing spring; 222. Pressure-stabilizing diaphragm; 223. Pressure-stabilizing valve core; 2231. Pressure-stabilizing part; 224. Adjusting nut;

[0038] 31. first sealing ring; 32. second sealing ring;

[0039] 4. Solenoid valve;

[0040] 5. Air valve core assembly;

[0041] 6. Tighten the screws. DETAILED DESCRIPTION

[0042] The following will be combined with the drawings in the embodiments of the present application to clearly and completely describe the technical solutions in the embodiments of the present application. Obviously, the described embodiments are only part of the embodiments of the present application, not all of the embodiments. Based on the embodiments in the present application, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of this application.

[0043] In the description of the present application, it should be understood that the terms "inside", "outside", etc., indicating orientations or positional relationships, are based on the orientations or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present application and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore should not be understood as a limitation on the present application.

[0044] The terms "first" and "second" are used for descriptive purposes only and should not be understood as indicating or implying relative importance or implicitly indicating the number of the indicated technical features. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of the features.

[0045] In the description of this application, it should be noted that, unless otherwise clearly specified and limited, the term "connection" should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a direct connection, or an indirect connection through an intermediate medium, or it can be the internal communication of two elements. For ordinary technicians in this field, the specific meanings of the above terms in this application can be understood according to specific circumstances.

[0046] like Figure 1As shown, this embodiment provides a water-gas linkage valve, including a gas valve assembly 100, a linkage valve assembly 200 and a water valve assembly 300, wherein the water valve assembly 300 is connected to the gas valve assembly 100 through the linkage valve assembly 200. Water enters the water-gas linkage valve from the water valve assembly 300, and the linkage valve assembly 200 controls the linkage of the gas valve assembly 100, so that the gas enters the water-gas linkage valve from the gas valve assembly 100, enters the combustion chamber through the gas valve assembly 100, and is ignited and burned, providing heat for the water, thereby providing hot water for the user.

[0047] like Figure 2 As shown, the gas valve assembly 100 provided in this embodiment includes a valve body 1, a solenoid valve 4, a gas valve core assembly 5 and a pressure-stabilizing valve 2. A first mounting cavity 13 and a second mounting cavity 14 are provided in the valve body 1. The first mounting cavity 13 is used to install the solenoid valve 4, and the second mounting cavity 14 is used to install the gas valve core assembly 5. The pressure-stabilizing valve 2 includes a pressure-stabilizing valve body 21, and the valve body 1 and the pressure-stabilizing valve body 21 are detachably connected. During assembly, the pressure-stabilizing valve body 21 can be directly assembled on the valve body 1. Specifically, the valve body 1 includes a first mounting surface 11, and a first air outlet 111 and a first air inlet 112 are provided on the first mounting surface 11. The first air outlet 111 is connected to the first mounting cavity 13, and the first air inlet 112 is connected to the second mounting cavity 14. The pressure-stabilizing valve body 21 includes a second mounting surface 211, on which a second air inlet 2111 and a second air outlet 2112 are arranged. The second air inlet 2111 is arranged corresponding to the first air outlet 111, and the second air outlet 2112 is arranged corresponding to the first air inlet 112. The first mounting surface 11 and the second mounting surface 211 are sealed and connected, so that the first air outlet 111 can be communicated with the second air inlet 2111, and the second air outlet 2112 can be communicated with the first air inlet 112. The first mounting surface 11 and the second mounting surface 211 are both mounting planes. The two mounting planes are sealed and connected, so that the pressure-stabilizing valve 2 can be connected to the valve body 1. The gas in the valve body 1 enters the first air outlet 111 after passing through the solenoid valve 4, and then enters the pressure-stabilizing valve 2 through the second air inlet 2111 for pressure stabilization, and then returns to the valve body 1 through the second air outlet 2112 and the first air inlet 112, and the gas flow is adjusted by the gas valve core assembly 5. The gas valve assembly 100 of the water-gas linkage valve simplifies the structural design of the valve body 1 and reduces the manufacturing cost; realizes the modular assembly of the pressure-stabilizing valve 2 and improves the assembly efficiency; the sizes of the second air inlet 2111 and the second air outlet 2112 are not limited by the space of the valve body 1, and the channel can be designed to be larger, the pressure loss of the pressure-stabilizing valve 2 is small, and the air outlet volume is large, which can be suitable for use with gas appliances with larger capacity.

[0048] Specifically, Figure 3As shown, the first air outlet 111 and the first air inlet 112 are spaced apart on the first mounting surface 11, and three connecting holes 113 are spaced apart on the first mounting surface 11. The three connecting holes 113 are respectively located on a side of the first air outlet 111 away from the first air inlet 112, between the first air outlet 111 and the first air inlet 112, and on a side of the first air inlet 112 away from the first air outlet 111. The second air inlet 2111 and the second air outlet 2112 are arranged at intervals on the second mounting surface 211, and three threaded holes 2115 are arranged at intervals on the second mounting surface 211. The three threaded holes 2115 are respectively located on the side of the second air inlet 2111 away from the second air outlet 2112, between the second air inlet 2111 and the second air outlet 2112, and on the side of the second air outlet 2112 away from the second air inlet 2111; after the first mounting surface 11 and the second mounting surface 211 are sealed and connected, the fastening screw 6 passes through the connecting hole 113 and is screwed to the threaded hole 2115, so that the pressure regulating valve 2 is fixed to the valve body 1 by the three fastening screws 6.

[0049] In one embodiment, the first mounting surface 11 and the second mounting surface 211 are sealed and connected by a sealing ring. The first mounting surface 11 and the second mounting surface 211 are sealed by the sealing ring to avoid a gap between the first mounting surface 11 and the second mounting surface 211, thereby preventing pressure loss caused by gas leakage when gas enters the pressure-stabilizing valve 2 from the valve body 1.

[0050] Specifically, Figure 3 and Figure 4 As shown, a first sealing groove 2113 and a second sealing groove 2114 are provided on the first mounting surface 11 or the second mounting surface 211. The first sealing groove 2113 is provided in the circumference of the first air outlet 111 or the second air inlet 2111, and the second sealing groove 2114 is provided in the circumference of the first air inlet 112 or the second air outlet 2112. The sealing ring includes a first sealing ring 31 and a second sealing ring 32. The first sealing ring 31 is provided in the first sealing groove 2113, and the second sealing ring 32 is provided in the second sealing groove 2114. In order to ensure the sealing performance between the first mounting surface 11 and the second mounting surface 211, a first sealing ring 31 is arranged between the first air outlet 111 and the second air inlet 2111, and the first sealing ring 31 is used to ensure the sealing performance between the first air outlet 111 and the second air inlet 2111; a second sealing ring 32 is arranged between the second air outlet 2112 and the first air inlet 112, and the second sealing ring 32 is used to ensure the sealing performance between the second air outlet 2112 and the first air inlet 112.

[0051] In this embodiment, the first sealing groove 2113 and the second sealing groove 2114 are both arranged on the second mounting surface 211; in other embodiments, the first sealing groove 2113 and the second sealing groove 2114 may also be both arranged on the first mounting surface 11, or one of the first sealing groove 2113 and the second sealing groove 2114 is arranged on the first mounting surface 11 and the other is arranged on the second mounting surface 211.

[0052] In one embodiment, a sealant is applied between the first mounting surface 11 and the second mounting surface 211. That is, before the first mounting surface 11 and the second mounting surface 211 are butted, the sealant is first applied to both the first mounting surface 11 and the second mounting surface 211, or the sealant is applied to one of the first mounting surface 11 and the second mounting surface 211, and then the first mounting surface 11 and the second mounting surface 211 are butted and fitted, the first mounting surface 11 and the second mounting surface 211 are bonded together by the sealant, the first air outlet 111 and the second air inlet 2111, and the second air outlet 2112 and the first air inlet 112 are sealed by the sealant, and there will be no gas leakage, thereby achieving the sealing between the first air outlet 111 and the second air inlet 2111, and the sealing between the second air outlet 2112 and the first air inlet 112.

[0053] In one embodiment, if Figure 2 and Figure 5 As shown, the gas valve assembly 100 also includes a solenoid valve 4 and a gas valve core assembly 5. An air intake passage 12, a first installation cavity 13, a second installation cavity 14 and a second connecting passage 15 are provided in the valve body 1. The air intake passage 12 is connected to the first air outlet 111 through the first installation cavity 13. The solenoid valve 4 is provided in the first installation cavity 13. The solenoid valve 4 is used to control the connection between the air intake passage 12 and the first air outlet 111. The first air intake 112 is connected to the second installation cavity 14. The gas valve core assembly 5 is provided in the second installation cavity 14. The first air intake 112 is connected to the second connecting passage 15 through the gas valve core assembly 5. The second connecting passage 15 is connected to the combustion chamber. The gas enters the valve body 1 from the air intake passage 12. The opening and closing of the solenoid valve 4 controls whether the gas enters the pressure regulating valve 2 through the first air outlet 111. When the solenoid valve 4 is opened, the gas enters the valve body 1 from the air inlet passage 12, enters the first air outlet 111 through the solenoid valve 4, and then enters the pressure regulating valve 2 through the first air outlet 111 and the second air inlet 2111. After being pressure-stabilized by the pressure regulating valve 2, the gas returns to the valve body 1 through the second air outlet 2112 and the first air inlet 112, enters the second connecting passage 15 through the air valve core assembly 5, and then enters the combustion chamber for combustion through the second connecting passage 15. The specific structure and working principle of the air valve core assembly 5 can be referred to the prior art, which is not the inventive point of this embodiment and will not be described in detail here.

[0054] In one embodiment, the center line of the air inlet channel 12 is arranged perpendicular to the center line of the first installation cavity 13, and the center lines of the air inlet channel 12 and the first installation cavity 13 are both perpendicular to the center line of the first air outlet 111. The center line of the first installation cavity 13 and the center line of the second installation cavity 14 are arranged in parallel, and the first installation cavity 13 and the second installation cavity 14 both extend in the vertical direction and are arranged separated in the middle. The air inlet channel 12 is connected to the upper end of the first installation cavity 13, the first air outlet 111 is connected to the lower end of the first installation cavity 13, and the air inlet channel 12 and the first air outlet 111 are respectively located on the adjacent two sides of the first installation cavity 13, the first air inlet 112 is located at the lower end of the second installation cavity 14, and the second connecting channel 15 is connected to the middle of the second installation cavity 14. Such an arrangement has a compact structure and can make the first air inlet 112 and the first air outlet 111 both located on the first installation surface 11.

[0055] In one embodiment, if Figure 6 and Figure 7 As shown, the pressure stabilizing valve 2 also includes a pressure stabilizing assembly 22. A third installation cavity 212 is provided in the pressure stabilizing valve body 21. The pressure stabilizing assembly 22 is provided in the third installation cavity 212. The pressure stabilizing assembly 22 includes an adjusting nut 224, a pressure stabilizing spring 221, a pressure stabilizing diaphragm 222 and a pressure stabilizing valve core 223. The pressure stabilizing diaphragm 222 separates the third installation cavity 212 into an adjusting cavity 2121 and a pressure stabilizing cavity. The adjusting nut 224 and the pressure stabilizing spring 221 It is arranged in the regulating chamber 2121, the pressure-stabilizing valve core 223 is arranged in the pressure-stabilizing chamber, an air port 2124 is arranged in the pressure-stabilizing chamber, a pressure-stabilizing portion 2231 is arranged on the pressure-stabilizing valve core 223, the pressure-stabilizing portion 2231 cooperates with the air port 2124 to separate the pressure-stabilizing chamber into an air inlet chamber 2122 and an air outlet chamber 2123, the second air inlet 2111 is communicated with the air inlet chamber 2122, and the air outlet chamber 2123 is communicated with the first communicating channel 213. The adjusting nut 224 is threadedly connected to one end of the adjusting chamber 2121 away from the pressure stabilizing chamber, and the pressure stabilizing spring 221 is arranged between the adjusting nut 224 and the pressure stabilizing diaphragm 222. When the gas pressure of the air inlet chamber 2122 is unstable, the pressure stabilizing diaphragm 222 drives the pressure stabilizing valve core 223 to move, adjusts the flow gap between the pressure stabilizing part 2231 and the air outlet 2124, so that the gas flow of the air outlet chamber 2123 is constant, the outlet pressure is kept constant, and the pressure is stabilized, so that the water temperature of the water valve assembly 300 can be adjusted to be constant. When it is necessary to adjust the water temperature, the adjusting nut 224 is screwed to adjust the position of the adjusting nut 224 along the axial direction of the pressure stabilizing valve core 223, so that the flow gap between the pressure stabilizing part 2231 and the air outlet 2124 changes, so that the outlet pressure of the air valve assembly 100 gradually increases or decreases with the flow gap between the pressure stabilizing part 2231 and the air outlet 2124, thereby ensuring that the water temperature changes gradually.

[0056] In one embodiment, a first communication channel 213 is further provided in the pressure-stabilizing valve body 21, a second air inlet 2111 is located at one side of the third installation cavity 212, and the first communication channel 213 is located at the other side of the third installation cavity 212. The second air inlet 2111 can be communicated with the first communication channel 213 through the pressure-stabilizing component 22, and the second air outlet 2112 is communicated with the first communication channel 213. The gas entering the pressure-stabilizing valve body 21 through the second air inlet 2111 is first stabilized by the pressure-stabilizing component 22, and then enters the second air outlet 2112 through the first communication channel 213, and then returns to the valve body 1 through the second air outlet 2112 and the first air inlet 112. The second air inlet 2111 is arranged on one side of the third installation cavity 212 , and the first connecting channel 213 is provided, and the second air outlet 2112 is arranged on the side of the first connecting channel 213 , so that the second air inlet 2111 and the second air outlet 2112 are located on the second installation surface 211 on the same side of the third installation cavity 212 .

[0057] In one embodiment, the center line of the second gas outlet 2112 and the center line of the second gas inlet 2111 are both perpendicular to the center line of the first communication channel 213, and the center line of the first communication channel 213 is perpendicular to the center line of the third installation cavity 212. With this arrangement, the second gas outlet 2112 and the second gas inlet 2111 are both located at the lower end of the third installation cavity 212, and the gas enters from the lower end of the pressure stabilizing valve body 21 and flows out from the lower end of the pressure stabilizing valve body 21.

[0058] In other embodiments, the center line of the first connecting channel 213 can also be set parallel to the center line of the third installation cavity 212, and the second gas outlet 2112 is set at the upper end of the first connecting channel 213, that is, the gas enters from the lower end of the pressure-stabilizing valve body 21 and flows out from the upper end.

[0059] This embodiment also provides a gas appliance, comprising the water-gas linkage valve as described above. The gas appliance adopts the water-gas linkage valve as described above, is easy to assemble, reduces manufacturing costs, and increases the capacity of the gas appliance.

[0060] In the specific contents of the above-mentioned specific implementation methods, the various technical features can be combined in any non-contradictory manner. In order to make the description concise, not all possible combinations of the above-mentioned technical features are described. However, as long as there is no contradiction in the combination of these technical features, they should be considered to be within the scope of this specification.

[0061] The specific contents of the above specific implementations only express several implementations of the utility model, and the descriptions are relatively specific and detailed, but they cannot be understood as limiting the scope of the patent of the utility model. It should be pointed out that for ordinary technicians in this field, several modifications and improvements can be made without departing from the concept of the utility model, which all belong to the protection scope of the utility model. Therefore, the protection scope of the utility model patent shall be based on the attached claims.

Claims

1. A water-gas linkage valve, comprising a gas valve assembly (100), wherein the gas valve assembly (100) comprises a valve body (1), a solenoid valve (4), a gas valve core assembly (5) and a pressure regulating valve (2), wherein the valve body (1) is provided with a first installation cavity (13) and a second installation cavity (14), wherein the first installation cavity (13) is used for installing the solenoid valve (4), and the second installation cavity (14) is used for installing the gas valve core assembly (5), characterized in that: The pressure-stabilizing valve (2) comprises a pressure-stabilizing valve body (21), and the valve body (1) and the pressure-stabilizing valve body (21) are detachably connected; The valve body (1) comprises a first mounting surface (11), the first mounting surface (11) being provided with a first air outlet (111) and a first air inlet (112), the first air outlet (111) being in communication with the first mounting cavity (13), and the first air inlet (112) being in communication with the second mounting cavity (14); The pressure-stabilizing valve body (21) comprises a second mounting surface (211), and a second air inlet (2111) and a second air outlet (2112) are provided on the second mounting surface (211), the second air inlet (2111) being provided corresponding to the first air outlet (111), and the second air outlet (2112) being provided corresponding to the first air inlet (112); The first mounting surface (11) and the second mounting surface (211) are sealedly connected, so that the first air outlet (111) is connected to the second air inlet (2111), and the second air outlet (2112) is connected to the first air inlet (112).

2. The water-gas linkage valve according to claim 1, characterized in that: The first mounting surface (11) and the second mounting surface (211) are sealed and connected via a sealing ring; A first sealing groove (2113) and a second sealing groove (2114) are provided on the first mounting surface (11) or the second mounting surface (211); the first sealing groove (2113) is provided in the circumference of the first air outlet (111) or the second air inlet (2111); the second sealing groove (2114) is provided in the circumference of the first air inlet (112) or the second air outlet (2112); the sealing ring comprises a first sealing ring (31) and a second sealing ring (32); the first sealing ring (31) is provided in the first sealing groove (2113); and the second sealing ring (32) is provided in the second sealing groove (2114).

3. The water-gas linkage valve according to claim 1, characterized in that: A sealant is applied between the first mounting surface (11) and the second mounting surface (211).

4. The water-gas linkage valve according to claim 1, characterized in that: An air intake channel (12) is provided in the valve body (1), and the air intake channel (12) is connected to the first air outlet (111) through the first installation cavity (13), and the solenoid valve (4) is used to control the connection between the air intake channel (12) and the first air outlet (111).

5. The water-gas linkage valve according to claim 4, characterized in that: The center line of the air inlet channel (12) is arranged perpendicular to the center line of the first installation cavity (13), and the center line of the air inlet channel (12) and the center line of the first installation cavity (13) are both perpendicular to the center line of the first air outlet (111).

6. The water-gas linkage valve according to claim 5, characterized in that: The pressure-stabilizing valve (2) further comprises a pressure-stabilizing component (22); a third installation cavity (212) and a first connecting channel (213) are arranged in the pressure-stabilizing valve body (21); the pressure-stabilizing component (22) is arranged in the third installation cavity (212); the second air inlet (2111) is located on one side of the third installation cavity (212); the first connecting channel (213) is located on the other side of the third installation cavity (212); the second air inlet (2111) can be connected to the first connecting channel (213) through the pressure-stabilizing component (22); and the second air outlet (2112) is connected to the first connecting channel (213).

7. The water-gas linkage valve according to claim 6, characterized in that: The center line of the second air outlet (2112) and the center line of the second air inlet (2111) are both perpendicular to the center line of the first connecting channel (213), and the center line of the first connecting channel (213) is perpendicular to the center line of the third installation cavity (212).

8. The water-gas linkage valve according to claim 6, characterized in that: The pressure stabilizing assembly (22) comprises a pressure stabilizing spring (221), a pressure stabilizing diaphragm (222) and a pressure stabilizing valve core (223); the pressure stabilizing diaphragm (222) divides the third installation cavity (212) into an adjusting cavity (2121) and a pressure stabilizing cavity; the pressure stabilizing spring (221) is arranged in the adjusting cavity (2121); the pressure stabilizing valve core (223) is arranged in the pressure stabilizing cavity; an air port (2124) is arranged in the pressure stabilizing cavity; a pressure stabilizing portion (2231) is arranged on the pressure stabilizing valve core (223); the pressure stabilizing portion (2231) cooperates with the air port (2124) to separate the pressure stabilizing cavity into an air inlet cavity (2122) and an air outlet cavity (2123); the second air inlet (2111) is connected to the air inlet cavity (2122); and the air outlet cavity (2123) is connected to the first connecting channel (213).

9. The water-gas linkage valve according to claim 4, characterized in that: A second communication channel (15) is also provided in the valve body (1), and the first air inlet (112) is connected to the second communication channel (15) through the second installation cavity (14).

10. A gas appliance, characterized in that: It comprises a water-gas linkage valve as described in any one of claims 1-9.

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