Wall-hanging stove waterway system

Abstract

The utility model relates to the technical field of household appliances, and discloses a wall-hanging stove waterway system. The wall-hanging stove water path system comprises a heat exchange structure, a water outlet valve and a water inlet valve. The heat exchange structure comprises a water supply channel and a heat exchange channel which are matched in a heat exchange mode and arranged in parallel in the vertical direction. The water outlet valve is provided with a first heat exchange water inlet flow channel, a first heat exchange water outlet flow channel and a bathroom channel, the first heat exchange water inlet flow channel is located below the first heat exchange water outlet flow channel, and the first heat exchange water outlet flow channel communicates with the bathroom channel; the first heat exchange water inlet flow channel communicates with an inlet of the heat exchange channel, and the first heat exchange water outlet flow channel communicates with an outlet of the water supply channel. The water inlet valve is provided with a second heat exchange water inlet flow channel and a second heat exchange water outlet flow channel, the second heat exchange water inlet flow channel is communicated with an inlet of the water supply channel, and the second heat exchange water outlet flow channel is communicated with an outlet of the heat exchange channel. The wall-hanging stove waterway system can adopt a heat exchange structure with a parallel flow channel structure, the installation process can be simplified, and the installation efficiency can be improved.

Description

Technical Field

[0001] The utility model relates to the technical field of household appliances, in particular to a water circuit system of a wall-hung boiler. Background Art

[0002] The water circuit system of a wall-hung boiler is a water heater powered by natural gas, which has a powerful central heating function for families, can meet the heating needs of multiple rooms, and can provide domestic water for use in places such as family bathing and kitchens.

[0003] As Figure 1 shown, the water circuit system of a wall-hung boiler generally includes a combustion chamber (not shown in the figure), a heat exchange structure 200', an inlet valve 300', and an outlet valve 100'. The combustion chamber is usually installed on the indoor wall. The heat exchange structure 200' includes a heat exchange channel 210' and a water supply channel 220' that cooperate in heat exchange. The inlet valve 300' can supply corresponding water to the combustion chamber and the water supply channel 220'. The outlet valve 100' includes a valve body, and the valve body is provided with a heat exchange inlet interface 101' and a heat exchange outlet interface 102'. The heat exchange inlet interface 101' is connected to the inlet of the heat exchange channel 210', and the heat exchange outlet interface 102' is connected to the outlet of the water supply channel 220'. The outlet valve 100' can selectively supply water to the heating system or the bathroom system to provide domestic water for users or meet the heating needs of users.

[0004] Most of the heat exchange structures 200' in the prior art are Figure 1 the heat exchange structure 200' with a cross-flow channel structure shown in Figure 2 , that is, the heat exchange channel 210' and the water supply channel 220' arranged therein form a cross trend. However, a heat exchange structure 200' with a parallel flow channel structure as shown in Figure 2 is proposed in the related art, that is, the heat exchange channel 210' and the water supply channel 220' arranged therein form a parallel trend. When the existing outlet valve 100' is applied to the heat exchange structure 200' shown in

[0005] , problems such as more intermediate connecting pipelines, more complex structure, and poor adaptability often occur, resulting in a complex installation process and low installation efficiency. Therefore, it is urgent to propose a water circuit system of a wall-hung boiler to solve the above problems. Summary of the Utility Model

[0006] The purpose of the utility model is to provide a water circuit system of a wall-hung boiler, which can simplify the installation process and improve the installation efficiency.

[0007] Based on the above concept, the technical solution adopted by the utility model is as follows:

[0008] A water circuit system of a wall-hung boiler includes:

[0009] The heat exchange structure includes a water supply channel and a heat exchange channel that are in heat exchange cooperation and arranged in parallel in the up and down direction;

[0010] The water outlet valve has a first heat exchange water inlet channel, a first heat exchange water outlet channel and a sanitary channel. The first heat exchange water inlet channel is located below the first heat exchange water outlet channel, and the first heat exchange water outlet channel is communicated with the sanitary channel; the first heat exchange water inlet channel is communicated with the inlet of the heat exchange channel, and the first heat exchange water outlet channel is communicated with the outlet of the water supply channel;

[0011] The water inlet valve has a second heat exchange water inlet channel and a second heat exchange water outlet channel. The second heat exchange water inlet channel is communicated with the inlet of the water supply channel, and the second heat exchange water outlet channel is communicated with the outlet of the heat exchange channel.

[0012] As a preferred solution of the water circuit system of the wall-mounted boiler provided by the present utility model, the water outlet valve includes a valve body, and the valve body includes:

[0013] A valve main body, in which a heating channel, a main valve cavity and a first cavity and a second cavity located on both sides of the main valve cavity are formed. The first cavity is communicated with the heating channel, the second cavity is communicated with the first heat exchange water inlet channel, and the main valve cavity can selectively communicate with the first cavity or the second cavity;

[0014] The first valve part and the second valve part are both formed on one side of the valve main body and are arranged at intervals in the up and down direction. The first heat exchange water outlet channel is opened in the first valve part, the first heat exchange water inlet channel is opened in the second valve part, and the second cavity is communicated with the first heat exchange water inlet channel.

[0015] As a preferred solution of the water circuit system of the wall-mounted boiler provided by the present utility model, the second cavity is communicated with the heat exchange water inlet channel through a heat exchange communication channel, and the axis of the heat exchange communication channel is inclined relative to the valve main body.

[0016] As a preferred solution of the water circuit system of the wall-mounted boiler provided by the present utility model, the valve main body includes:

[0017] A three-way valve part, the first cavity, the main valve cavity and the second cavity are arranged in sequence in a first direction and are all formed in the three-way valve part;

[0018] An extension valve part, connected to the three-way valve part, the heating channel is opened in the extension valve part and extends in a second direction, and the first direction and the second direction are arranged at an angle.

[0019] As a preferred solution of the water circuit system of the wall-mounted boiler provided by the present utility model, the first chamber is communicated with the heating channel through a heating communication flow channel, and the axis of the heating communication flow channel is inclined relative to the axis of the three-way valve portion.

[0020] As a preferred solution of the water circuit system of the wall-mounted boiler provided by the present utility model, a bypass flow channel is further provided in the valve body, and the bypass flow channel can selectively communicate the heating channel and the second chamber.

[0021] As a preferred solution of the water circuit system of the wall-mounted boiler provided by the present utility model, the valve body further includes a bypass valve portion, the bypass valve portion is formed on the front side of the extension valve portion, and the bypass flow channel is provided in the bypass valve portion.

[0022] As a preferred solution of the water circuit system of the wall-mounted boiler provided by the present utility model, the water outlet valve further includes:

[0023] A switching mechanism, which is movably arranged in the three-way valve portion to selectively open the passage between the main valve chamber and the first chamber or the passage between the main valve chamber and the second chamber;

[0024] A driving mechanism, which is arranged on the front side of the three-way valve portion, and the output end of the driving mechanism is connected to the switching mechanism to drive the switching mechanism to move along the axis direction of the three-way valve portion.

[0025] As a preferred solution of the water circuit system of the wall-mounted boiler provided by the present utility model, the valve body further includes a third valve portion, the third valve portion is connected to the first valve portion, and the sanitary ware channel is provided in the third valve portion, and the outlet of the sanitary ware channel is arranged downward.

[0026] As a preferred solution of the water circuit system of the wall-mounted boiler provided by the present utility model, the water circuit system of the wall-mounted boiler further includes a combustion chamber, the combustion chamber can heat the water therein, and the combustion chamber has a hot water outlet;

[0027] The water outlet valve has a hot water inlet arranged towards the hot water outlet, and the hot water inlet is directly communicated with the hot water outlet through a connecting pipe.

[0028] The beneficial effects of the present utility model are:

[0029] The present utility model provides a water circuit system for a wall-mounted boiler. The heat exchange structure has a water supply channel and a heat exchange channel arranged in parallel in the up-down direction. The water outlet valve has a first heat exchange water outlet flow channel and a first heat exchange water inlet flow channel arranged in the up-down direction. During installation, it only needs to correspondingly install the first heat exchange water inlet flow channel and the first heat exchange water outlet flow channel at the inlet of the heat exchange channel and the outlet of the water supply channel respectively. The adaptability between the water outlet valve and the heat exchange structure with a parallel flow channel structure is relatively good, and the installation process is relatively simple, which can greatly improve the installation efficiency. BRIEF DESCRIPTION OF THE DRAWINGS

[0030] Figure 1 is a schematic connection diagram of a heat exchange structure with a cross-flow channel provided by the prior art and a water inlet valve and a water outlet valve;

[0031] Figure 2 is a schematic structural diagram of a heat exchange structure with a parallel flow channel provided by the prior art;

[0032] Figure 3 is a schematic water circuit structure diagram of the water circuit system of the wall-mounted boiler provided by the embodiment of the present utility model;

[0033] Figure 4 is a schematic structural diagram of the water outlet valve provided by the embodiment of the present utility model from one perspective;

[0034] Figure 5 is a schematic structural diagram of the water circuit system of the wall-mounted boiler provided by the embodiment of the present utility model;

[0035] Figure 6 is a schematic structural diagram of the water circuit system of the wall-mounted boiler provided by the prior art;

[0036] Figure 7 is a schematic structural diagram of the water outlet valve provided by the embodiment of the present utility model from another perspective;

[0037] Figure 8 is a schematic structural diagram of the water outlet valve provided by the embodiment of the present utility model from yet another perspective;

[0038] Figure 9 is Figure 8 a cross-sectional structural diagram at A-A;

[0039] Figure 10 is a schematic structural diagram of the water outlet valve provided by the embodiment of the present utility model from still another perspective;

[0040] Figure 11 is Figure 10 a cross-sectional structural diagram at B-B;

[0041] Figure 12 is a schematic structural diagram of the switching mechanism and the separation component provided by the embodiment of the present utility model;

[0042] Figure 13 It is a schematic cross-sectional structure diagram of the switching mechanism and the partition component provided by the embodiment of the present utility model.

[0043] In the figure:

[0044] 100', water outlet valve; 101', heat exchange inlet interface; 102', heat exchange outlet interface;

[0045] 200', heat exchange structure; 210', heat exchange channel; 220', water supply channel;

[0046] 300', water inlet valve;

[0047] 100, water outlet valve;

[0048] 1, valve body; 1001, heating connection flow channel; 1002, heat exchange connection flow channel; 10, valve main body; 11, three-way valve part; 1101, main valve cavity; 1102, first cavity; 1103, second cavity; 111, main body; 1111, hot water inlet; 112, partition component; 1121, first partition sleeve; 1122, second partition sleeve; 12, extension valve part; 121, heating channel; 13, second valve part; 131, first heat exchange inlet water flow channel; 14, first valve part; 141, first heat exchange outlet water flow channel; 15, bypass valve part; 151, bypass flow channel; 1511, check valve; 152, bypass port; 153, bypass plug; 16, third valve part; 161, bathroom channel;

[0049] 3, switching mechanism; 31, valve stem; 32, first sealing seat; 33, second sealing seat;

[0050] 200, combustion chamber; 201, hot water outlet;

[0051] 300, heat exchange structure; 310, heat exchange channel; 320, water supply channel;

[0052] 400, water inlet valve; 401, second heat exchange inlet water flow channel; 402, second heat exchange outlet water flow channel;

[0053] 500, heating system;

[0054] 600, connecting pipeline. Specific embodiments

[0055] The present utility model will be further described in detail below with reference to the accompanying drawings and embodiments. It can be understood that the specific embodiments described herein are only used to explain the present utility model, rather than limiting the present utility model. In addition, it should be noted that for the convenience of description, only parts related to the present utility model are shown in the drawings, rather than all the structures.

[0056] In the description of the present utility model, unless otherwise clearly defined and limited, the terms "connected", "connected to", and "fixed" shall be understood in a broad sense. For example, it may be a fixed connection, a detachable connection, or integrated; it may be a mechanical connection or an electrical connection; it may be directly connected or indirectly connected through an intermediate medium, and it may be the communication inside two elements or the interaction relationship between two elements. For those of ordinary skill in the art, the specific meanings of the above terms in the present utility model can be understood according to specific circumstances.

[0057] In the present utility model, unless otherwise clearly defined and limited, the first feature being "above" or "below" the second feature may include the direct contact between the first and second features, or may include the situation where the first and second features are not in direct contact but in contact through other features between them. Moreover, the first feature being "above", "over", and "on" the second feature includes the first feature being directly above and obliquely above the second feature, or merely indicating that the horizontal height of the first feature is higher than that of the second feature. The first feature being "below", "under", and "beneath" the second feature includes the first feature being directly below and obliquely below the second feature, or merely indicating that the horizontal height of the first feature is lower than that of the second feature.

[0058] In the description of this embodiment, the orientation or positional relationships such as "above", "below", "left", and "right" are based on the orientation or positional relationships shown in the drawings. It is only for the convenience of description and simplifying the operation, 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. Therefore, it should not be construed as a limitation to the present utility model. In addition, the terms "first" and "second" are only used for distinction in description and have no special meanings.

[0059] Figure 3 The schematic diagram of the water circuit structure of the wall-mounted boiler water circuit system provided in this embodiment is shown. Figure 4 The schematic diagram of the structure of the water outlet valve 100 provided in this embodiment from a perspective is shown. As Figure 3 - Figure 4As shown in the figure, this embodiment provides a water circuit system for a wall-mounted boiler. The water circuit system for the wall-mounted boiler includes a heat exchange structure 300, a water outlet valve 100, and a water inlet valve 400. Among them, the heat exchange structure 300 includes a water supply channel 320 and a heat exchange channel 310 that are in heat exchange cooperation and arranged in parallel in the up and down directions; the water outlet valve 100 has a first heat exchange water inlet channel 131, a first heat exchange water outlet channel 141, and a bathroom channel 161. The first heat exchange water inlet channel 131 is located below the first heat exchange water outlet channel 141, and the first heat exchange water outlet channel 141 is communicated with the bathroom channel 161; the first heat exchange water inlet channel 131 is communicated with the inlet of the heat exchange channel 310, and the first heat exchange water outlet channel 141 is communicated with the outlet of the water supply channel 320; the water inlet valve 400 has a second heat exchange water inlet channel 401 and a second heat exchange water outlet channel 402. The second heat exchange water inlet channel 401 is communicated with the inlet of the water supply channel 320, and the second heat exchange water outlet channel 402 is communicated with the outlet of the heat exchange channel 310.

[0060] For the water circuit system of the wall-mounted boiler provided in this embodiment, the heat exchange structure 300 has a water supply channel 320 and a heat exchange channel 310 arranged in parallel in the up and down directions, and the water outlet valve 100 has a first heat exchange water outlet channel 141 and a first heat exchange water inlet channel 131 arranged in the up and down directions. During installation, it only needs to correspondingly install the first heat exchange water inlet channel 131 and the first heat exchange water outlet channel 141 at the inlet of the heat exchange channel 310 and the outlet of the water supply channel 320 respectively. The adaptability of the water outlet valve 100 to the heat exchange structure 300 with a parallel flow channel structure is good, the installation process is relatively simple, and the installation efficiency can be greatly improved.

[0061] It should be particularly noted that for the convenience of description, the height direction after the actual installation of the water outlet valve 100 is defined as the up and down direction. Among them, the side of the water outlet valve 100 close to the combustion chamber 200 is defined as up, the side of the water outlet valve 100 away from the combustion chamber 200 is defined as down, the side of the water outlet valve 100 close to the heat exchange structure 300 is defined as back, and the side of the water outlet valve 100 away from the heat exchange structure 300 is defined as front; when the user stands facing the front of the water outlet valve 100, the side of the water outlet valve 100 facing the user's right hand is defined as right, and the side of the water outlet valve 100 facing the user's left hand is defined as left. In addition, in the following text, the height direction of the valve body 1 refers to the up and down direction, the width direction of the valve body 1 refers to the left and right direction, and the thickness direction of the valve body 1 refers to the front and back direction.

[0062] Figure 5 The structural schematic diagram of the water circuit system of the wall-mounted boiler provided in this embodiment is shown. Figure 6 The structural schematic diagram of the water circuit system of the wall-mounted boiler provided by the prior art is shown. As Figure 5 - Figure 6 and in combination with Figure 3 、 Figure 4As shown, the water circuit system of the wall-mounted boiler further includes a combustion chamber 200, which can heat the water therein. The combustion chamber 200 has a hot water outlet 201; the water outlet valve 100 has a hot water inlet 1111 facing the hot water outlet 201, and the hot water inlet 1111 is directly communicated with the hot water outlet 201 through a connecting pipeline 600. Compared with Figure 6 the solution of arranging the hot water inlet 1111 on the side of the valve body 1 shown, with the above arrangement, after the connecting pipeline 600 is led out from the hot water outlet 201, it can be directly pulled down to the hot water inlet 1111, thereby shortening the distance between the hot water inlet 1111 and the hot water outlet 201, reducing the length and material consumption of the connecting pipeline 600, and thus can reduce the material cost to a certain extent; in addition, the above arrangement also enables the connecting pipeline 600 to be processed into a straight pipe structure, and the communication between the hot water inlet 1111 and the hot water outlet 201 can be realized without too many bending parts, thereby avoiding the phenomenon of large water resistance caused by too many bending parts on the connecting pipeline 600.

[0063] In this embodiment, the material of the connecting pipeline 600 is not limited, and it can be made of copper pipe, corrugated pipe, stainless steel pipe, plastic pipe, etc.

[0064] It should be noted that both the combustion chamber 200 and the water inlet valve 400 are relatively mature technologies in the prior art, and the specific structures of the combustion chamber 200 and the water inlet valve 400 will not be elaborated in this embodiment.

[0065] Figure 7 shows a schematic structural view of the water outlet valve 100 provided in this embodiment from another perspective. Figure 8 shows a schematic structural view of the water outlet valve 100 provided in this embodiment from another perspective. Figure 9 shows Figure 8 the cross-sectional structural view at A-A. As Figure 7 - Figure 9 and in combination with Figure 3 、 Figure 4As shown in the figure, the water outlet valve 100 includes a valve body 1. The valve body 1 includes a valve main body 10, a first valve part 14 and a second valve part 13. A heating channel 121, a main valve cavity 1101, and a first cavity 1102 and a second cavity 1103 located on both sides of the main valve cavity 1101 are formed in the valve main body 10. The first cavity 1102 is communicated with the heating channel 121, and the main valve cavity 1101 can selectively communicate with the first cavity 1102 or the second cavity 1103. The first valve part 14 and the second valve part 13 are both formed on one side of the valve main body 10 and are arranged at intervals in the up and down direction. A first heat exchange water outlet flow channel 141 is opened in the first valve part 14, and a first heat exchange water inlet flow channel 131 is opened in the second valve part 13. The second cavity 1103 is communicated with the first heat exchange water inlet flow channel 131. When the main valve cavity 1101 is communicated with the first cavity 1102, the hot water heated by the combustion chamber 200 can flow through the hot water outlet 201, the connecting pipeline 600, the hot water inlet 1111, and the heating channel 121 in sequence, and then flow into the heating system 500 to provide heating requirements for users. The water exchanged with the outside in the heating system 500 can flow into the combustion chamber 200 through the water inlet valve 400 to be heated again, thus forming a heating water circulation loop. When the main valve cavity 1101 is communicated with the second cavity 1103, the hot water heated by the combustion chamber 200 can flow through the hot water outlet 201, the connecting pipeline 600, the hot water inlet 1111, and the first heat exchange water inlet flow channel 131 in sequence and then flow into the heat exchange channel 310 of the heat exchange structure 300. After exchanging heat with the water in the water supply channel 320, it flows into the combustion chamber 200 through the water inlet valve 400 to be heated again, thus forming a heat exchange circulation loop. The water in the external water source can flow into the water supply channel 320 of the heat exchange structure 300 through the water inlet valve 400. After exchanging heat with the water in the heat exchange channel 310, it then flows through the first heat exchange water outlet flow channel 141 and the bathroom channel 161 in sequence and flows into the bathroom system to provide domestic water for users.

[0066] It should be explained that the heating system 500 specifically refers to terminal heat dissipation components such as radiators, floor heating pipes or fan coil units. The water heated in the combustion chamber 200 can be pumped to the above-mentioned terminal heat dissipation components through the water outlet valve 100, and the heat is dissipated into the indoor air by means of heat dissipation, thereby increasing the indoor environmental temperature to meet the heating requirements of users. The heating system 500 is a relatively mature technology in this field, and the specific structure of the heating system 500 will not be elaborated in this embodiment. In addition, the bathroom system specifically refers to a water using device for users to take showers, wash their faces, etc. It is a relatively mature technology in this field, and the specific structure of the bathroom system will not be elaborated in this embodiment.

[0067] Such as Figure 7 and Figure 9As shown, the second chamber 1103 is connected to the first heat exchange water inlet channel 131 through a heat exchange communication channel 1002, and the axis of the heat exchange communication channel 1002 is inclined relative to the valve body 10. Compared with the straight channels in the prior art, in this embodiment, by setting the inclined heat exchange communication channel 1002, on the one hand, it is equivalent to increasing the cross-sectional area of the inlet of the heat exchange communication channel 1002, thereby reducing the water resistance of the water flowing from the second chamber 1103 to the first heat exchange water inlet channel 131; on the other hand, the inclined heat exchange communication channel 1002 can also achieve the direct connection between the second chamber 1103 and the first heat exchange water inlet channel 131, which is convenient for processing and reduces the use of sealing plugs to reduce potential risk points of leakage.

[0068] Optionally, the valve body 1 further includes a third valve portion 16. The third valve portion 16 is connected to the first valve portion 14. A sanitary channel 161 is opened in the third valve portion 16, and the outlet of the sanitary channel 161 is arranged downward so as to be connected to the corresponding sanitary system.

[0069] Figure 10 Fig. shows a schematic structural view of the water outlet valve 100 provided in this embodiment from another perspective. Figure 11 Fig. shows Figure 10 a sectional structural view taken at B-B. As Figure 10 - Figure 11 and in combination with Figure 4 、 Figure 7 shown, the valve body 10 includes a three-way valve portion 11 and an extension valve portion 12. The first chamber 1102, the main valve chamber 1101, and the second chamber 1103 are arranged in sequence along the first direction and are all formed in the three-way valve portion 11; the extension valve portion 12 is connected to the three-way valve portion 11, and a heating channel 121 is opened in the extension valve portion 12 and extends along the second direction. Among them, the first direction and the second direction are arranged at an angle. In this embodiment, the first direction specifically refers to the front-back direction, and the second direction specifically refers to the up-down direction. That is to say, the axis of the extension valve portion 12 and the axis of the three-way valve portion 11 are perpendicular to each other. Compared with the prior art solution where the extension valve portion 12 and the three-way valve portion 11 are coaxially arranged, the above design can reduce the size of the entire water outlet valve 100 in the height direction, and further reduce the installation height of the entire water circuit system of the wall-mounted boiler. Of course, in other embodiments, the first direction and the second direction can also be arranged at other angles, and this embodiment does not limit this.

[0070] In this embodiment, the hot water inlet 1111 is coaxially arranged with the heating channel 121, and the first chamber 1102 and the second chamber 1103 are respectively located on both sides of the axis of the hot water inlet 1111, which is convenient for the processing of the valve body 1. Of course, in other embodiments, the axis of the hot water inlet 1111 and the axis of the heating channel 121 can also be arranged non-coaxially, and the above effects can also be achieved.

[0071] Figure 12The structural schematic diagram of the switching mechanism 3 and the partition component 112 provided in this embodiment is shown. Figure 13 The sectional structural schematic diagram of the switching mechanism 3 and the partition component 112 provided in this embodiment is shown. As Figure 12 - Figure 13 and in combination with Figure 11 shown, the water outlet valve 100 further includes a switching mechanism 3, which is movably arranged in the three-way valve part 11 to selectively open the passage between the main valve cavity 1101 and the first cavity 1102 or the passage between the main valve cavity 1101 and the second cavity 1103. When the switching mechanism 3 opens the passage between the main valve cavity 1101 and the first cavity 1102, the hot water in the combustion chamber 200 can circulate in the heating water circulation loop; when the switching mechanism 3 opens the passage between the main valve cavity 1101 and the second cavity 1103, the hot water in the combustion chamber 200 can circulate in the heat exchange circulation loop, that is, the switching mechanism 3 realizes the switching between the heating water circulation loop and the heat exchange circulation loop to selectively provide domestic water for users or meet the heating needs of users.

[0072] Specifically, the three-way valve part 11 includes a body 111 and a partition component 112 arranged in the valve cavity of the body 111. The partition component 112 includes a first partition sleeve 1121 and a second partition sleeve 1122. The first partition sleeve 1121 and the second partition sleeve 1122 are arranged at intervals along the axis direction of the valve cavity of the body 111 and are both in sealing cooperation with the cavity wall of the valve cavity of the body 111, thereby dividing the valve cavity of the body 111 into a main valve cavity 1101, a first cavity 1102 and a second cavity 1103. The first partition sleeve 1121 is located between the main valve cavity 1101 and the first cavity 1102, and the second partition sleeve 1122 is located between the main valve cavity 1101 and the second cavity 1103. The switching mechanism 3 includes a valve rod 31, a first seal seat 32 and a second seal seat 33. The first seal seat 32 and the second seal seat 33 are arranged at intervals along the axis direction of the valve rod 31 and are both connected to the valve rod 31. The valve rod 31 can move along the axis direction of the three-way valve part 11, thereby driving the first seal seat 32 and the second seal seat 33 to move to selectively block the first partition sleeve 1121 by the first seal seat 32 or block the second partition sleeve 1122 by the second seal seat 33. When the first seal seat 32 blocks the first partition sleeve 1121, the second seal seat 33 is arranged at intervals from the second partition sleeve 1122. At this time, the main valve cavity 1101 is communicated with the second cavity 1103; when the second seal seat 33 blocks the second partition sleeve 1122 and the first seal seat 32 is arranged at intervals from the first partition sleeve 1121, the main valve cavity 1101 is communicated with the first cavity 1102, so as to realize three-way switching.

[0073] Optionally, the water outlet valve 100 further includes a driving mechanism (not shown in the figure), and the output end of the driving mechanism is connected to the valve stem 31 to drive the valve stem 31 to move along the axial direction of the three-way valve portion 11. In this embodiment, the driving mechanism is a synchronous motor. Of course, in other embodiments, according to different designs of the switching mechanism 3, the driving mechanism can also be a stepper motor or other driving devices.

[0074] It should be specifically noted that, as Figure 4 and Figure 7 shown, in this embodiment, the axial directions of the hot water inlet 1111 and the heating channel 121 extend in the up-down direction, and the hot water inlet 1111 faces upward while the outlet of the heating channel 121 faces downward. The axial direction of the three-way valve portion 11 extends in the front-back direction, and the driving mechanism is located in front of the valve body 1. The first valve portion 14, the second valve portion 13, and the third valve portion 16 are all located on the right side of the three-way valve portion 11. The four of the hot water inlet 1111, the heating channel 121, the first heat exchange water inlet flow channel 131, and the sanitary ware channel 161 are roughly arranged in a square layout, making full use of the space of the valve body 1 in the width direction and the thickness direction, greatly reducing the installation height of the entire wall-mounted boiler water system, and optimizing the spatial layout of the entire system. In addition, by adopting the above setting method, the relatively large driving mechanism can be arranged on the front side of the valve body 1 (the driving mechanism in the prior art is usually arranged between the valve body and the combustion chamber), so as to avoid the interval area between the valve body 1 and the combustion chamber 200, make full use of the space of the valve body 1 in the thickness direction, further shorten the distance between the valve body 1 and the combustion chamber 200, and thus reduce the length of the connecting pipeline 600.

[0075] Such as Figure 4 and Figure 11As shown, the first chamber 1102 is connected to the heating channel 121 through a heating communication flow channel 1001, and the axis of the heating communication flow channel 1001 is inclined relative to the axis of the three-way valve portion 11. In the prior art, the first chamber 1102 and the heating channel 121 are coaxially arranged and extend in the up and down direction. When the switching mechanism 3 opens the passage between the main valve chamber 1101 and the first chamber 1102, the first sealing seat 32 is equivalent to blocking the passage between the first chamber 1102 and the heating channel 121. The water in the main valve chamber 1101 will flow between the periphery of the first sealing seat 32 and the chamber wall of the first chamber 1102, thus generating a large water resistance. In this embodiment, by setting the inclined heating communication flow channel 1001, an opening can just be formed at the interval along the downward direction of the axis of the three-way valve portion 11 between the first sealing seat 32 and the first partition sleeve 1121. The water in the main valve chamber 1101 can flow out from this opening under the action of its own gravity, thereby reducing the water resistance, increasing the water flow rate to a certain extent, and also playing a role in reducing the head damage of the circulating water pump, prolonging the service life of the circulating water pump, and reducing the user's usage cost. In addition, the heating communication flow channel 1001 can realize the direct connection between the first chamber 1102 and the heating channel 121, which is convenient for processing and reduces the use of sealing plugs to reduce potential leakage risk points.

[0076] As Figure 7 and Figure 11 As shown, a bypass flow channel 151 is also provided on the valve body 1, and the bypass flow channel 151 can selectively connect the heating channel 121 and the second chamber 1103. When the main valve chamber 1101 is connected to the first chamber 1102, when the heat exchange structure 300 dries out due to lack of water, the water in the heating channel 121 can pass through the bypass flow channel 151 and flow into the heat exchange channel 310 through the second chamber 1103, the heat exchange communication flow channel 1002, and the first heat exchange inlet flow channel 131 in sequence, so as to prevent the heat exchange structure 300 from being damaged due to dry burning caused by lack of water.

[0077] Specifically, the valve body 1 further includes a bypass valve portion 15. The bypass valve portion 15 is formed on the extension valve portion 12. The bypass flow channel 151 is opened in the bypass valve portion 15, and a check valve 1511 is provided in the bypass flow channel 151 to only allow the water in the heating channel 121 to flow into the second chamber 1103 and prevent the water in the second chamber 1103 from flowing back. Optionally, a bypass port 152 communicating with the bypass flow channel 151 is opened on the bypass valve portion 15, and a bypass plug 153 is detachably plugged at the bypass port 152. One end of the check valve 1511 abuts against the inner side of the bypass plug 153. When maintenance is required, the operator only needs to open the bypass plug 153, which is convenient and fast.

[0078] In this embodiment, the bypass valve portion 15 is formed on the front side of the extended valve portion 12, that is, the bypass valve portion 15 is located below the driving mechanism, and the operator can inspect and maintain it from the front of the valve body 1, further improving the convenience of the operator's operation; and this design makes the bypass valve portion 15 located between the three-way valve portion 11 and the extended valve portion 12, making the structure of the entire water outlet valve 100 more compact and the bypass connection distance shorter, thereby shortening the response time.

[0079] Of course, in other embodiments, the bypass valve portion 15 may be formed on the side of the extended valve portion 12 away from the second valve portion 13 , that is, the bypass valve portion 15 is located on the left side of the extended valve portion 12 , which can also achieve the above effect.

[0080] The above embodiments merely illustrate the basic principles and features of the present invention. The present invention is not limited to the above embodiments. Various changes and modifications are possible without departing from the spirit and scope of the present invention. Such changes and modifications are within the scope of the present invention. The scope of protection claimed in the present invention is defined by the appended claims and their equivalents.

Claims

1. A water circuit system of a wall-mounted boiler, characterized in that Comprising: A heat exchange structure (300), including a water supply channel (320) and a heat exchange channel (310) that are in heat exchange cooperation and arranged in parallel in the up and down direction; An outlet valve (100), which has a first heat exchange inlet water flow channel (131), a first heat exchange outlet water flow channel (141) and a sanitary ware channel (161). The first heat exchange inlet water flow channel (131) is located below the first heat exchange outlet water flow channel (141), and the first heat exchange outlet water flow channel (141) is communicated with the sanitary ware channel (161); the first heat exchange inlet water flow channel (131) is communicated with the inlet of the heat exchange channel (310), and the first heat exchange outlet water flow channel (141) is communicated with the outlet of the water supply channel (320); An inlet valve (400), which has a second heat exchange inlet water flow channel (401) and a second heat exchange outlet water flow channel (402). The second heat exchange inlet water flow channel (401) is communicated with the inlet of the water supply channel (320), and the second heat exchange outlet water flow channel (402) is communicated with the outlet of the heat exchange channel (310).

2. The wall-hung boiler water circuit system according to claim 1, wherein The outlet valve (100) includes a valve body (1), and the valve body (1) includes: A valve main body (10), in which a heating channel (121), a main valve cavity (1101), and a first cavity (1102) and a second cavity (1103) located on both sides of the main valve cavity (1101) are formed. The first cavity (1102) is communicated with the heating channel (121), the second cavity (1103) is communicated with the first heat exchange inlet water flow channel (131), and the main valve cavity (1101) can selectively communicate with the first cavity (1102) or the second cavity (1103); A first valve portion (14) and a second valve portion (13), both formed on one side of the valve main body (10) and arranged at intervals in the up and down direction. The first heat exchange outlet water flow channel (141) is opened in the first valve portion (14), the first heat exchange inlet water flow channel (131) is opened in the second valve portion (13), and the second cavity (1103) is communicated with the first heat exchange inlet water flow channel (131).

3. The wall-hung boiler water circuit system according to claim 2, characterized in that, The second cavity (1103) is communicated with the first heat exchange inlet water flow channel (131) through a heat exchange communication flow channel (1002), and the axis of the heat exchange communication flow channel (1002) is inclined relative to the valve main body (10).

4. The wall-mounted boiler water circuit system according to claim 2, characterized in that, The valve main body (10) includes: A three-way valve portion (11), in which the first cavity (1102), the main valve cavity (1101) and the second cavity (1103) are arranged in sequence in a first direction and are all formed in the three-way valve portion (11); An extended valve portion (12), connected to the three-way valve portion (11). The heating channel (121) is opened in the extended valve portion (12) and extends in a second direction. The first direction and the second direction are arranged at an angle.

5. The wall-mounted boiler water circuit system according to claim 4, wherein, The first chamber (1102) is connected to the heating passage (121) through a heating communication flow passage (1001), and the axis of the heating communication flow passage (1001) is inclined relative to the axis of the three-way valve portion (11).

6. The wall-hung boiler water circuit system according to claim 4, characterized in that, A bypass flow passage (151) is further provided in the valve body (1), and the bypass flow passage (151) can selectively connect the heating passage (121) and the second chamber (1103).

7. The wall-mounted boiler water circuit system according to claim 6, wherein, The valve body (1) further includes a bypass valve portion (15), the bypass valve portion (15) is formed on the front side of the extension valve portion (12), and the bypass flow passage (151) is provided in the bypass valve portion (15).

8. The wall-mounted boiler water circuit system according to claim 4, characterized in that, The water outlet valve (100) further includes: A switching mechanism (3), which is movably arranged in the three-way valve portion (11) to selectively open the passage between the main valve chamber (1101) and the first chamber (1102) or the passage between the main valve chamber (1101) and the second chamber (1103); A driving mechanism, which is arranged on the front side of the three-way valve portion (11), and the output end of the driving mechanism is connected to the switching mechanism (3) to drive the switching mechanism (3) to move along the axis direction of the three-way valve portion (11).

9. The wall-mounted boiler water circuit system according to claim 2, characterized in that, The valve body (1) further includes a third valve portion (16), the third valve portion (16) is connected to the first valve portion (14), and a sanitary ware passage (161) is provided in the third valve portion (16), and the outlet of the sanitary ware passage (161) is arranged downward.

10. The wall-hung boiler water circuit system according to any one of claims 1 to 9, characterized in that, The water circuit system of the wall-mounted boiler further includes a combustion chamber (200), the combustion chamber (200) can heat the water therein, and the combustion chamber (200) has a hot water outlet (201); The water outlet valve (100) has a hot water inlet (1111) arranged towards the hot water outlet (201), and the hot water inlet (1111) is directly connected to the hot water outlet (201) through a connecting pipe (600).

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