Waterway switching assembly and heating device

Abstract

The utility model provides a waterway switching assembly and a heating device, the waterway switching assembly comprises a valve shell, a valve core located in the valve shell and a rotating seat connected to the valve core, and the valve shell is provided with a first water outlet, a second water outlet and a third water outlet; the valve element is hollow, an inner channel is formed in the valve element, and a first water outlet hole, a second water outlet hole and a third water outlet hole are formed in the valve element. A water inlet channel is arranged on the rotating seat and is communicated with the internal channel; wherein the rotating seat is configured to drive the valve element to rotate between a first position and a second position relative to the valve shell, and when the valve element rotates to the first position relative to the valve shell, the first water outlet is opposite to the first water outlet hole so as to be communicated with the internal channel through the first water outlet hole; when the valve element rotates to the second position relative to the valve shell, the second water outlet is opposite to the second water outlet hole so as to be communicated with the inner channel through the second water outlet hole, the third water outlet is opposite to the third water outlet hole so as to be communicated with the inner channel through the third water outlet hole, and therefore the requirement of a user for switching water sources can be met.

Description

Technical Field

[0001] The utility model relates to the technical field of heating devices, and in particular to a water channel switching component and a heating device. Background Art

[0002] As people's demand for various water sources increases, people often need to switch to various water sources in daily life, but the water path of the heating device can only match one water source, so it can only meet people's needs of using one water source, and cannot meet people's needs of switching to various water sources; although some heating devices can achieve switching between multiple water sources by adding pipelines, the additional pipelines not only take up a lot of installation space, but also increase costs. Utility Model Content

[0003] In order to at least partially solve the problems existing in the prior art, according to one aspect of the utility model, a waterway switching assembly is provided, and the technical solution is as follows.

[0004] The water path switching assembly includes a valve housing, a valve core located in the valve housing, and a rotating seat connected to the valve core, wherein the valve housing is provided with a first water outlet, a second water outlet, and a third water outlet; the valve core is hollow to form an internal passage, and the valve core is provided with a first water outlet hole, a second water outlet hole, and a third water outlet hole; a water inlet channel is provided on the rotating seat, and the water inlet channel is connected to the internal passage; wherein the rotating seat is constructed to drive the valve core to rotate between a first position and a second position relative to the valve housing, and when the valve core rotates to the first position relative to the valve housing, the first water outlet is opposite to the first water outlet hole so as to communicate with the internal passage through the first water outlet hole, the second water outlet is offset from the second water outlet hole, and the third water outlet is offset from the third water outlet hole; when the valve core rotates to the second position relative to the valve housing, the second water outlet is opposite to the second water outlet hole so as to communicate with the internal passage through the second water outlet hole, the third water outlet is opposite to the third water outlet hole so as to communicate with the internal passage through the third water outlet hole, and the first water outlet is offset from the first water outlet hole.

[0005] With the water circuit switching assembly of the utility model, the water inlet channel can be connected to the required water source as needed, and then the rotating seat is rotated to the first position or the second position according to the connected water source to switch the water circuit. Compared with the situation of switching the water source by adding pipelines, it saves installation space, reduces costs, and is convenient to operate.

[0006] Exemplarily, the valve housing has a connection end, a limiting groove is provided on the connection end, and the limiting groove has a first end and a second end; the rotating seat includes a seat body and a protrusion, the seat body has a docking end face opposite to the connection end, the protrusion protrudes on the docking end face, and the protrusion is inserted in the limiting groove and limited to slide between the first end and the second end. Through the cooperation of the limiting groove and the protrusion, the waterway can be accurately switched by rotating the rotating seat, which is convenient to operate, simple in structure, and reduces costs.

[0007] For example, the seat body has an annular groove recessed on the butt end surface in a direction away from the valve housing, and the valve core has a connecting section, which is clamped in the annular groove. In this way, the valve core and the rotating seat can have a higher connection firmness, which facilitates the rotating seat to drive the valve core to rotate when rotating.

[0008] Exemplarily, the water inlet channel is arranged on the seat body, the annular groove has a first groove wall and a second groove wall, the first groove wall is closer to the water inlet channel than the second groove wall, the first groove wall has an outer wall surface opposite to the second groove wall, the outer wall surface is provided with a groove facing the water inlet channel, and a first sealing member is sandwiched between the groove and the connecting section. Such arrangement enhances the sealing performance between the valve core and the rotating seat, and prevents water from flowing out of the gap between the valve core and the rotating seat during use, thereby affecting the operation of other structural parts.

[0009] Exemplarily, the valve housing has a first water outlet pipe extending outwardly along the edge of the first water outlet, and the first water outlet pipe is connected to the first pipe joint. Compared with the situation of directly connecting to the first water outlet through a pipeline, connecting to the first pipe joint through the first water outlet pipe is more convenient.

[0010] Exemplarily, the valve housing has a second water outlet pipe extending outwardly along the edge of the second water outlet, and the second water outlet pipe is connected to the second pipe joint. Compared with the case of directly connecting to the second water outlet through a pipeline, connecting to the second pipe joint through the second water outlet pipe is more convenient.

[0011] Exemplarily, the valve housing has a third water outlet pipe extending outwardly along the edge of the third water outlet, and the third water outlet pipe is connected to the third pipe joint. Compared with the situation of directly connecting to the third water outlet through a pipeline, connecting to the third pipe joint through the third water outlet pipe is more convenient.

[0012] Exemplarily, the second pipe joint has a first connection port, a second connection port and a third connection port, the central axes of the second connection port and the third connection port coincide, and the central axis of the first connection port is perpendicular to the central axis of the second connection port and / or the central axis of the third connection port; wherein the first connection port is connected to the second water outlet pipe, the second connection port is connected to the fourth pipe joint, and the third connection port is connected to the fifth pipe joint. Such an arrangement can further reduce the number of pipes that need to be installed and reduce costs.

[0013] For example, the valve housing has an inner shell surface, the valve core has an outer core surface, and a seal is arranged between the inner shell surface and the outer core surface. This arrangement enhances the sealing between the valve housing and the valve core, and prevents water from flowing into the gap between the valve housing and the valve core, thereby affecting the operation of the waterway switching assembly.

[0014] Exemplarily, the sealing member includes a second sealing member arranged outside the periphery of the first water outlet hole. In this way, the second sealing member plays a sealing role, preventing water from flowing from the first water outlet hole into the gap between the valve housing and the valve core, thereby affecting the operation of the waterway switching assembly.

[0015] Exemplarily, the sealing member includes a third sealing member arranged outside the periphery of the second water outlet hole. In this way, the third sealing member plays a sealing role, preventing water from flowing from the second water outlet hole into the gap between the valve housing and the valve core, thereby affecting the operation of the waterway switching assembly.

[0016] Exemplarily, the sealing member includes a fourth sealing member arranged outside the periphery of the third water outlet hole. In this way, the fourth sealing member plays a sealing role, preventing water from flowing from the third water outlet hole into the gap between the valve housing and the valve core, thereby affecting the operation of the waterway switching assembly.

[0017] Exemplarily, the first water outlet and the second water outlet are located at a first height position of the valve housing, and the third water outlet is located at a second height position of the valve housing, and the second height position is higher than the first height position. When in use, the third water outlet can be used to discharge excess water in the valve core. In this way, the second height position is higher than the first height position, which avoids the situation where water flows out of the third water outlet first, resulting in insufficient water supply required by the user.

[0018] According to another aspect of the utility model, a heating device is provided, which includes a heating component, a water pump component and the water circuit switching component as described above, wherein the water circuit switching component is connected to the heating component through the water pump component. The heating device can switch between multiple water sources through the water circuit switching component, which not only saves installation space but also reduces costs.

[0019] A series of simplified concepts are introduced in the utility model content, which will be further described in detail in the detailed implementation section. The utility model content section does not mean to attempt to define the key features and essential technical features of the technical solution claimed for protection, nor does it mean to attempt to determine the scope of protection of the technical solution claimed for protection.

[0020] The advantages and features of the present invention are described in detail below in conjunction with the accompanying drawings. BRIEF DESCRIPTION OF THE DRAWINGS

[0021] The following drawings of the present invention are used as part of the present invention for understanding the present invention. The drawings show the implementation of the present invention and its description, and are used to explain the principle of the present invention. In the drawings,

[0022] Figure 1 A three-dimensional diagram of a heating device according to an exemplary embodiment of the present invention;

[0023] Figure 2 for Figure 1 An exploded view of the heating device shown;

[0024] Figure 3 for Figure 1 The local water flow diagram of the heating device shown Figure 1 ;

[0025] Figure 4 for Figure 1 The local water flow diagram of the heating device shown Figure 2 ;

[0026] Figure 5 for Figure 1 The local water flow diagram of the heating device shown Figure 3 ;

[0027] Figure 6 for Figure 1 A three-dimensional diagram of a water circuit switching assembly in the heating device shown;

[0028] Figure 7 for Figure 6 A cross-sectional view of the waterway switching assembly shown;

[0029] Figure 8 for Figure 6 A three-dimensional view of a valve housing in the waterway switching assembly shown;

[0030] Fig. 9 for Figure 7 A three-dimensional diagram of a valve core in the waterway switching assembly shown;

[0031] Fig.10 for Figure 6 A perspective view of the rotating seat shown;

[0032] Fig.11 for Figure 1 A three-dimensional diagram of a heating assembly in the water circuit switching assembly shown;

[0033] Fig.12 for Figure 1 A perspective view of the water pump assembly in the heating device shown.

[0034] The above drawings include the following reference numerals:

[0035] 1. Heating device; 10. Waterway switching assembly; 11. First pipe joint; 12. Second pipe joint; 1201. First connection port; 1202. Second connection port; 1203. Third connection port; 13. Third pipe joint; 14. Fourth pipe joint; 15. Fifth pipe joint; 110. Valve housing; 111. First water outlet; 1111. First water outlet pipe; 112. Second water outlet; 1121. Second water outlet pipe; 113. Third water outlet; 1131. Third water outlet pipe; 114. Connecting end; 115. Limiting groove; 1151. First end; 1152. Second end; 116. Inner shell surface; 120. Valve core; 121 , the first water outlet hole; 122, the second water outlet hole; 123, the third water outlet hole; 124, the internal channel; 125, the connecting section; 126, the outer core surface; 130, the rotating seat; 131, the water inlet channel; 132, the seat body; 133, the docking end surface; 134, the protrusion; 135, the annular groove; 136, the first groove wall; 1361, the outer wall surface; 1362, the groove; 137, the second groove wall; 140, the first sealing member; 150, the sealing member; 151, the second sealing member; 152, the third sealing member; 153, the fourth sealing member; 20, the heating component; 210, the connecting part; 30, the water pump component; 310, the connecting groove. DETAILED DESCRIPTION

[0036] In the following description, a large number of details are provided so that the present invention can be thoroughly understood. However, it will be appreciated by those skilled in the art that the following description only illustrates preferred embodiments of the present invention, and the present invention can be implemented without one or more of such details. In addition, in order to avoid confusion with the present invention, some technical features known in the art are not described in detail.

[0037] In order to thoroughly understand the implementation of the utility model, a detailed structure will be presented in the following description. Obviously, the implementation of the utility model is not limited to the specific details familiar to those skilled in the art. The preferred implementation of the utility model is described in detail below, but in addition to these detailed descriptions, the utility model can also have other implementations.

[0038] The embodiment of the utility model provides a water circuit switching assembly. The water circuit switching assembly can be applied to various types of equipment, including but not limited to heating devices. The following will introduce a water circuit switching assembly according to the embodiment of the utility model in detail with reference to the accompanying drawings.

[0039] Combined with reference Figures 1 to 4, the waterway switching assembly 10 may include a valve housing 110, a valve core 120 located in the valve housing 110, and a rotating seat 130 connected to the valve core 120. The valve housing 110 may be provided with a first water outlet 111, a second water outlet 112, and a third water outlet 113. The valve core 120 may be hollow and may be formed with an internal channel 124, and the valve core 120 may be provided with a first water outlet hole 121, a second water outlet hole 122, and a third water outlet hole 123, and the first water outlet hole 121, the second water outlet hole 122, and the third water outlet hole 123 all penetrate the side wall of the valve core 120. The rotating seat 130 may be provided with a water inlet channel 131, and the water inlet channel 131 may be connected to the internal channel 124. Among them, the rotating seat 130 is configured to drive the valve core 120 to rotate relative to the valve housing 110 between a first position and a second position. When the valve core 120 rotates to the first position relative to the valve housing 110, the first water outlet 111 can be opposite to the first water outlet hole 121 to communicate with the internal channel 124 through the first water outlet hole 121, the second water outlet 112 can be offset from the second water outlet hole 122 (i.e., the second water outlet 112 is closed), and the third water outlet 113 can be offset from the third water outlet hole 123 (i.e., the third water outlet 113 is closed). When the valve core 120 rotates to the second position relative to the valve housing 110, the second water outlet 112 can be opposite to the second water outlet hole 122 to communicate with the internal channel 124 through the second water outlet hole 122, the third water outlet 113 can be opposite to the third water outlet hole 123 to communicate with the internal channel 124 through the third water outlet hole 123, and the first water outlet 111 can be offset from the first water outlet hole 121 (i.e., the first water outlet 111 is closed).

[0040] The water circuit switching assembly 10 of the utility model can be connected to the required water source as needed, and then the rotating seat 130 is rotated to the first position or the second position according to the connected water source to switch the water circuit. Compared with the situation of switching the water source by adding pipelines, it saves installation space, reduces costs, and is convenient to operate.

[0041] In one embodiment of the present utility model, in conjunction with reference to Figure 6 , Figure 8 and Fig.10, the valve housing 110 may have a connecting end 114. A limiting groove 115 may be provided on the connecting end 114. The limiting groove 115 may have a first end 1151 and a second end 1152. The rotating seat 130 may include a seat body 132 and a protrusion 134. The seat body 132 may have a docking end face 133 opposite to the connecting end 114. The protrusion 134 may protrude from the docking end face 133, and the protrusion 134 may be inserted into the limiting groove 115 to be limited to slide between the first end 1151 and the second end 1152. When the protrusion 134 abuts against the first end 1151, the valve core 120 may rotate to the first position relative to the valve housing 110. When the protrusion 134 abuts against the second end 1152, the valve core 120 may rotate to the second position relative to the valve housing 110. Through the cooperation between the limiting groove 115 and the protrusion 134, the water path can be accurately switched by rotating the rotating seat 130, which is convenient for user operation, has a simple structure and reduces costs.

[0042] In one embodiment of the present utility model, in conjunction with reference to Figure 7 and Fig.10 The seat body 132 may have an annular groove 135 recessed on the butt end surface 133 in a direction away from the valve housing 110. The valve core 120 may have a connecting section 125. The connecting section 125 may be clamped in the annular groove 135. With such a configuration, the valve core 120 and the rotating seat 130 may have a higher connection firmness, so that the rotating seat 130 can drive the valve core 120 to rotate when rotating.

[0043] In one embodiment of the present invention, again in conjunction with reference to Figure 7 and Fig.10 , the water inlet channel 131 can be arranged on the seat body 132. The annular groove 135 can have a first groove wall 136 and a second groove wall 137. The first groove wall 136 can be closer to the water inlet channel 131 than the second groove wall 137. The first groove wall 136 can have an outer wall surface 1361 opposite to the second groove wall 137. The outer wall surface 1361 can be concavely provided with a groove 1362 facing the water inlet channel 131. A first sealing member 140 can be sandwiched between the groove 1362 and the connecting section 125. The first sealing member 140 can be a silicone ring or a rubber ring, etc. With such a configuration, the sealing between the valve core 120 and the rotating seat 130 is enhanced, and when in use, water is prevented from flowing out of the gap connecting the valve core 120 and the rotating seat 130 to affect the operation of other structural parts.

[0044] In one embodiment of the present utility model, in conjunction with reference to Figure 1 and Figure 2The valve housing 110 may have a first water outlet pipe 1111 extending outwardly along the edge of the first water outlet 111. The first water outlet pipe 1111 and the valve housing 110 may be an integrated structure. The first water outlet pipe 1111 may be connected to the first pipe joint 11. The first pipe joint 11 may be sleeved on the first water outlet pipe 1111, and no other fasteners need to be produced, thereby reducing costs. Compared with the case of directly connecting to the first water outlet 111 through a pipeline, connecting to the first pipe joint 11 through the first water outlet pipe 1111 is more convenient.

[0045] In one embodiment of the present invention, again in conjunction with reference to Figure 1 and Figure 2 The valve housing 110 may have a second water outlet pipe 1121 extending outwardly along the edge of the second water outlet 112. The second water outlet pipe 1121 and the valve housing 110 may be an integrated structure. The second water outlet pipe 1121 may be connected to the second pipe joint 12. The second pipe joint 12 may be sleeved on the second water outlet pipe 1121, and no other fasteners need to be produced, thereby reducing costs. Compared with the case of directly connecting to the second water outlet 112 through a pipeline, connecting to the second pipe joint 12 through the second water outlet pipe 1121 is more convenient.

[0046] In one embodiment of the present invention, once again in conjunction with reference to Figure 1 and Figure 2 The valve housing 110 may have a third water outlet pipe 1131 extending outwardly along the edge of the third water outlet 113. The third water outlet pipe 1131 and the valve housing 110 may be an integrated structure. The third water outlet pipe 1131 may be connected to the third pipe joint 13. The third pipe joint 13 may be sleeved on the third water outlet pipe 1131, and no other fasteners need to be produced, thereby reducing costs. Compared with the case of directly connecting to the third water outlet 113 through a pipeline, connecting to the third pipe joint 13 through the third water outlet pipe 1131 is more convenient.

[0047] In one embodiment of the present invention, once again in conjunction with reference to Figure 1 and Figure 2, the second pipe joint 12 may have a first connection port 1201, a second connection port 1202 and a third connection port 1203. The central axes of the second connection port 1202 and the third connection port 1203 may coincide. The central axis of the first connection port 1201 may be perpendicular to the central axis of the second connection port 1202 and the central axis of the third connection port 1203. It is understood that the second pipe joint 12 may be a three-way pipe joint. Among them, the first connection port 1201 may be connected to the second water outlet pipe 1121. The second connection port 1202 may be connected to a fourth pipe joint 14. The end of the fourth pipe joint 14 away from the second connection port 1202 may be connected to the first pipe joint 11. The third connection port 1203 may be connected to a fifth pipe joint 15. In this way, the pipes that need to be installed can be further reduced, reducing costs. Of course, the central axes of the first connection port 1201, the second connection port 1202 and the third connection port 1203 may intersect to form a Y-shaped three-way pipe joint.

[0048] In one embodiment of the present utility model, in conjunction with reference to Figures 7 to 9 The valve housing 110 may have an inner shell surface 116. The valve core 120 may have an outer core surface 126. A sealing member 150 may be provided between the inner shell surface 116 and the outer core surface 126. The sealing member 150 may be a rubber ring or a silicone ring, etc. This arrangement enhances the sealing between the valve housing 110 and the valve core 120, and prevents water from flowing into the gap between the valve housing 110 and the valve core 120, thereby affecting the operation of the waterway switching assembly 10.

[0049] In one embodiment of the present invention, refer to Figure 7 The sealing member 150 may include a second sealing member 151 disposed outside the periphery of the first water outlet 121. In this way, the second sealing member 151 plays a sealing role, preventing water from flowing from the first water outlet 121 into the gap between the valve housing 110 and the valve core 120, thereby affecting the operation of the waterway switching assembly 10.

[0050] In one embodiment of the present invention, refer again to Figure 7 The sealing member 150 may include a third sealing member 152 disposed outside the periphery of the second water outlet 122. In this way, the third sealing member 152 plays a sealing role, preventing water from flowing from the second water outlet 122 into the gap between the valve housing 110 and the valve core 120, thereby affecting the operation of the waterway switching assembly 10.

[0051] In one embodiment of the present invention, refer again to Figure 7The sealing member 150 may include a fourth sealing member 153 disposed outside the periphery of the third water outlet 123. In this way, the fourth sealing member 153 plays a sealing role, preventing water from flowing from the third water outlet 123 into the gap between the valve housing 110 and the valve core 120, thereby affecting the operation of the waterway switching assembly 10.

[0052] In one embodiment of the present utility model, in conjunction with reference to Figure 6 , Figure 8 and Fig. 9 , the first water outlet 111 and the second water outlet 112 can be located at a first height position of the valve housing 110, that is, the first water outlet 111 and the second water outlet 112 are located at the same height. The third water outlet 113 can be located at a second height position of the valve housing 110. The second height position can be higher than the first height position. When in use, the third water outlet 113 can be used to discharge excess water in the valve core 120. In this way, the second height position is higher than the first height position, which avoids the situation where water flows out of the third water outlet 113 first, resulting in insufficient water supply for the user. In order to ensure that when the valve core 120 rotates to the first position relative to the valve housing 110, the first water outlet 111 and the first water outlet 121 can be relative, the first water outlet 121 can be located at the first height position of the valve core 120. In order to ensure that when the valve core 120 rotates to the second position relative to the valve housing 110, the second water outlet 112 and the second water outlet hole 122 can be opposite, and the third water outlet 113 and the third water outlet hole 123 can be opposite, the second water outlet hole 122 can be located at the first height position of the valve core 120, and the third water outlet hole 123 can be located at the second height position of the valve core 120. In order to facilitate processing, the first water outlet hole 121 and the third water outlet hole 123 can be arranged in sequence along the central axis PP of the valve core 120, and the central axis of the first water outlet hole 121 can be coaxial with the central axis of the second water outlet hole 122.

[0053] According to another aspect of the present invention, a heating device 1 is provided. Figure 1 , Figure 5 , Fig.11 and Fig.12, the heating device 1 may include a heating component 20, a water pump component 30 and the water circuit switching component 10 as described above. The water circuit switching component 10 may be connected to the heating component 20 through the water pump component 30. The heating component 20 may have a connecting portion 210 connected to the water pump component 30. The end of the water pump component 30 connected to the heating component 20 may have a connecting groove 310 that is recessed away from the heating component 20. The connecting portion 210 may be inserted into the connecting groove 310. A rubber ring or a silicone ring may be provided between the connecting portion 210 and the inner wall of the connecting groove 310 to enhance the sealing between the heating component 20 and the water pump component 30, and can effectively prevent water from flowing out of the gap. In this way, the firmness of the connection between the heating component 20 and the water pump component 30 can be enhanced. The heating component 20 and the water pump component 30 are fixed by fasteners such as screws, which can further enhance the firmness of the connection between the heating component 20 and the water pump component 30. The water pump component 30 may be connected to the water circuit switching component 10 through the fifth pipe joint 15. The heating device 1 can switch between multiple water sources through the water channel switching component 10, which not only saves installation space but also reduces costs.

[0054] Combined with reference Figures 1 to 12 When the water circuit switching assembly 10 is connected to the silicone tube and the water bucket through the water inlet channel 131, the rotating seat 130 is rotated until the protrusion 134 abuts against the first end 1151 of the limiting groove 115. At this time, the valve core 120 rotates to the first position relative to the valve housing 110, and the first water outlet 111 is opposite to the first water outlet hole 121 to communicate with the internal channel 124 through the first water outlet hole 121, the second water outlet 112 is offset from the second water outlet hole 122, and the third water outlet 113 is offset from the third water outlet hole 123. When the water pump assembly 30 is working, the water in the bucket is sucked into the silicone tube, and the water enters the internal channel 124 from the silicone tube through the water inlet channel 131, and then enters the first water outlet pipe 1111 through the first water outlet hole 121 and the first water outlet 111 in turn, then flows through the first pipe joint 11 and the fourth pipe joint 14, and then enters the second pipe joint 12 through the second connecting port 1202, flows into the fifth pipe joint 15 from the third connecting port 1203, and then enters the water pump assembly 30 through the fifth pipe joint 15, and finally flows through the water pump assembly 30 into the heating assembly 20 for heating, and the water is provided to the user.

[0055] When the water circuit switching assembly 10 is connected to the water outlet pipe of the water purifier through the water inlet channel 131, the third pipe joint 13 is connected to the raw water inlet pipe of the water purifier, and the rotating seat 130 is rotated until the protrusion 134 abuts against the second end 1152 of the limiting groove 115. At this time, the valve core 120 rotates to the second position relative to the valve housing 110, the second water outlet 112 is opposite to the second water outlet hole 122 so as to communicate with the internal channel 124 through the second water outlet hole 122, the third water outlet 113 is opposite to the third water outlet hole 123 so as to communicate with the internal channel 124 through the third water outlet hole 123, and the first water outlet 111 is misaligned with the first water outlet hole 121. When the water pump assembly 30 is working, the water in the water purifier is sucked into the water outlet pipes, and the water enters the internal channel 124 from the water outlet pipe through the water inlet channel 131, and then passes through the second water outlet hole 122 and the second water outlet 112 in sequence to enter the second water outlet pipe 1121, and then enters the second pipe joint 12 through the first connection port 1201, flows into the fifth pipe joint 15 from the third connection port 1203, and then enters the water pump assembly 30 through the fifth pipe joint 15, and finally flows through the water pump assembly 30 into the heating assembly 20 for heating, and the water is provided to the user. After completing the above work, if there is still excess water left in the internal channel 124, the water passes through the third water outlet hole 123 and the third water outlet 113 in sequence to enter the third water outlet pipe 1131, and then enters the raw water inlet pipe of the water purifier through the third pipe joint 13, so that the water can be recycled.

[0056] In the description of the present invention, it should be understood that the directions or positional relationships indicated by directional words such as "front", "back", "up", "down", "left", "right", "lateral", "vertical", "vertical", "horizontal", "top", "bottom", etc. are usually based on the directions or positional relationships shown in the drawings, and are only for the convenience of describing the present invention and simplifying the description. Unless otherwise specified, these directional words do not indicate or imply that the device or element referred to must have a specific direction or be constructed and operated in a specific direction, and therefore cannot be understood as limiting the scope of protection of the present invention; the directional words "inside" and "outside" refer to the inside and outside relative to the contours of each component itself.

[0057] For ease of description, regional relative terms such as "above", "above", "on the upper surface of", "above", etc. may be used here to describe the regional positional relationship between one or more components or features shown in the figure and other components or features. It should be understood that regional relative terms include not only the orientation of the components as described in the figure, but also different orientations in use or operation. For example, if the components in the accompanying drawings are inverted as a whole, the components "above other components or features" or "above other components or features" will include the situation where the components are "below other components or structures" or "below other components or structures". Therefore, the exemplary term "above" may include both "above" and "below". In addition, these components or features may also be positioned at other different angles (e.g., rotated 90 degrees or other angles), and this article is intended to include all of these situations.

[0058] It should be noted that the terms used herein are only for describing specific embodiments and are not intended to limit the exemplary embodiments according to the present application. As used herein, unless the context clearly indicates otherwise, the singular form is also intended to include the plural form. In addition, it should be understood that when the terms "comprise" and / or "include" are used in this specification, it indicates the presence of features, steps, operations, parts, components and / or combinations thereof.

[0059] It should be noted that the terms "first", "second", etc. in the specification and claims of the present application and the above-mentioned drawings are used to distinguish similar objects, and are not necessarily used to describe a specific order or sequence. It should be understood that the numbers used in this way can be interchanged where appropriate, so that the embodiments of the present application described herein can be implemented in an order other than those illustrated or described herein.

[0060] The utility model has been described through the above embodiments, but it should be understood that the above embodiments are only for the purpose of example and description, and are not intended to limit the utility model to the scope of the described embodiments. In addition, it can be understood by those skilled in the art that the utility model is not limited to the above embodiments, and more variations and modifications can be made according to the teachings of the utility model, and these variations and modifications all fall within the scope of protection claimed by the utility model. The protection scope of the utility model is defined by the attached claims and their equivalents.

Claims

1. A waterway switching assembly, characterized in that: include: A valve housing, wherein the valve housing is provided with a first water outlet, a second water outlet and a third water outlet; a valve core located in the valve housing, wherein the valve core is hollow to form an internal passage, and the valve core is provided with a first water outlet hole, a second water outlet hole and a third water outlet hole; and A rotating seat connected to the valve core, the rotating seat being provided with a water inlet channel, the water inlet channel being connected to the internal channel; Wherein, the rotating seat is constructed to drive the valve core to rotate between a first position and a second position relative to the valve housing. When the valve core rotates to the first position relative to the valve housing, the first water outlet is opposite to the first water outlet hole so as to communicate with the internal channel through the first water outlet hole, the second water outlet is offset from the second water outlet hole, and the third water outlet is offset from the third water outlet hole; when the valve core rotates to the second position relative to the valve housing, the second water outlet is opposite to the second water outlet hole so as to communicate with the internal channel through the second water outlet hole, the third water outlet is opposite to the third water outlet hole so as to communicate with the internal channel through the third water outlet hole, and the first water outlet is offset from the first water outlet hole.

2. The waterway switching assembly according to claim 1, characterized in that: The valve housing has a connecting end, a limiting groove is arranged on the connecting end, and the limiting groove has a first end and a second end; the rotating seat includes a seat body and a protrusion, the seat body has a docking end surface opposite to the connecting end, the protrusion protrudes from the docking end surface, and the protrusion is inserted in the limiting groove to be limited to slide between the first end and the second end.

3. The waterway switching assembly according to claim 2, characterized in that: The seat body is recessed with an annular groove on the butt end surface in a direction away from the valve housing, and the valve core has a connecting section, which is clamped in the annular groove.

4. The waterway switching assembly according to claim 3, characterized in that: The water inlet channel is arranged on the seat body, and the annular groove has a first groove wall and a second groove wall. The first groove wall is closer to the water inlet channel than the second groove wall. The first groove wall has an outer wall surface opposite to the second groove wall. The outer wall surface is recessed with a groove facing the water inlet channel, and a first sealing member is sandwiched between the groove and the connecting section.

5. The waterway switching assembly according to claim 1, characterized in that: A first water outlet pipe is extended outwardly from the valve housing along the edge of the first water outlet, and the first water outlet pipe is connected to a first pipe joint.

6. The waterway switching assembly according to claim 1, characterized in that: A second water outlet pipe is extended outwardly from the valve housing along the edge of the second water outlet, and the second water outlet pipe is connected to the second pipe joint.

7. The waterway switching assembly according to claim 6, characterized in that: A third water outlet pipe is extended outwardly from the valve housing along the edge of the third water outlet, and the third water outlet pipe is connected to a third pipe joint.

8. The waterway switching assembly according to claim 7, characterized in that: The second pipe joint has a first connection port, a second connection port and a third connection port, the central axes of the second connection port and the third connection port coincide with each other, and the central axis of the first connection port is perpendicular to the central axis of the second connection port and / or the central axis of the third connection port; Wherein, the first connection port is connected to the second water outlet pipe, the second connection port is connected to the fourth pipe joint, and the third connection port is connected to the fifth pipe joint.

9. The waterway switching assembly according to claim 1, characterized in that: The valve housing has an inner shell surface, the valve core has an outer core surface, and a sealing member is arranged between the inner shell surface and the outer core surface.

10. The waterway switching assembly according to claim 9, characterized in that: The sealing element comprises: A second sealing member arranged outside the periphery of the first water outlet; or / and a third sealing member arranged outside the periphery of the second water outlet; Or / and a fourth sealing member arranged outside the periphery of the third water outlet.

11. The waterway switching assembly according to claim 1, characterized in that: The first water outlet and the second water outlet are located at a first height position of the valve housing, and the third water outlet is located at a second height position of the valve housing, and the second height position is higher than the first height position.

12. A heating device, characterized in that: It comprises a heating component, a water pump component and a water circuit switching component as described in any one of claims 1 to 9, wherein the water circuit switching component is connected to the heating component through the water pump component.

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