Heat exchanger mounting structure of water supply device and water supply device

Abstract

The utility model belongs to the technical field of water supply, and particularly relates to a heat exchanger installation structure of a water supply device and the water supply device, the heat exchanger installation structure comprises a reinforcing support and a heat exchanger body, the heat exchanger body is longitudinally or transversely installed on one side of the reinforcing support, or the heat exchanger body is installed on the other side of the reinforcing support. The heat exchanger body is installed on the top of the reinforcing support, the plate heat exchanger used for exchanging heat with the heat tank in the water supply device can be conveniently installed in the water supply device, assembling is easy and convenient, the instant heating device and the water distribution base are conveniently and integrally installed on the reinforcing support, and overall reasonable distribution is achieved.

Description

TECHNICAL FIELD

[0001] The utility model relates to water supply device technical field, concretely is a kind of water supply device's heat exchanger mounting structure and water supply device. BACKGROUND

[0002] The hot tank in the existing water supply device is generally used for storing drinking hot water, and is generally fixed in the shell of the water supply device. Other structural components in the water supply device are also respectively installed in the shell and carried by the shell. It is inconvenient to install, and the structural reliability is also poor. SUMMARY

[0003] In view of the deficiencies of the prior art, the utility model provides a water supply device's heat exchanger mounting structure and water supply device, which can conveniently install a plate heat exchanger in the water supply device, is simple to assemble, easy to assemble, and has good structural reliability.

[0004] To achieve the above purpose, the utility model realizes through the following technical scheme:

[0005] The utility model provides a water supply device's heat exchanger mounting structure, including reinforcing support and heat exchanger body, the heat exchanger body is installed in the one side of reinforcing support longitudinally or transversely, or, the heat exchanger body is installed in the top of reinforcing support.

[0006] Further, the heat exchanger body is a plate heat exchanger; and / or, the reinforcing support is internally installed with a hot tank.

[0007] Further, the reinforcing support is fixedly provided with a first connecting part and a second connecting part, and the heat exchanger body is fixedly connected with a connecting structure connected with the first connecting part and the second connecting part.

[0008] Further, the reinforcing support is installed with a waterway plate above, and the interface of the upper part of the heat exchanger body is connected with the waterway plate.

[0009] Further, the hot tank is arranged below the waterway plate, the heat exchanger body is located on one side of the hot tank, and the hot tank is communicated with the heat exchanger body.

[0010] Further, the connecting structure includes a first fixed support and a second fixed support, the first fixed support is composed of a first connecting lug and a third connecting lug, the second fixed support is composed of a second connecting lug and a fourth connecting lug, a group of first butt joints and a group of second butt joints are formed on the first connecting part and the second connecting part, a first lug hole is formed on the first connecting lug, a second lug hole is formed on the second connecting lug, a third lug hole is formed on the third connecting lug, and a group of fourth lug holes are formed on the fourth connecting lug.

[0011] The utility model also provides a water supply device still includes shell, instant heating device, the top of instant heating device is fixedly installed with upper mounting support through a plurality of first mounting bolt, the bottom of instant heating device is fixedly installed with lower mounting support through a plurality of second mounting bolt, a group of upper mounting support holes are seted up on upper mounting support, two groups of first lower mounting support hole and second lower mounting support hole of symmetrical distribution are seted up on lower mounting support, instant heating device is adjacent with heat exchanger body arrangement.

[0012] Further, the water supply device further comprises a water distribution seat, the interface at the lower end of the heat exchanger body is connected with the water distribution seat, the water distribution seat is connected with a first docking seat and a second docking seat, the water distribution seat is connected to one side of the reinforcing support facing the heat exchanger body, and the water distribution seat is close to the lower end of the heat exchanger body.

[0013] Further, a group of external drinking water inlet pipes and a group of hot tank heat exchange water return pipes are installed inside the shell, two groups of first liquid passage cavities and second liquid passage cavities that are not communicated with each other are arranged on the water distribution seat, and a group of third liquid passage cavities that are communicated with the first liquid passage cavities are arranged on the water distribution seat, a drinking water heat exchange end pipe is fixedly connected to the first liquid passage cavities, and a hot tank heat exchange water return end pipe is fixedly connected to the second liquid passage cavities.

[0014] Further, a hot tank heat exchange liquid interface pipe that is communicated with the inside of the second liquid passage cavity is arranged on the water distribution seat, a hot tank heat exchange liquid inlet pipe is connected to the hot tank heat exchange liquid interface pipe, a connecting interface that is communicated with the inside of the third liquid passage cavity is arranged on the water distribution seat, a communication pipe is fixedly connected to the bottom of the instant heating device, the communication pipe is fixedly connected with the connecting interface, and an external drinking water outlet pipe is fixedly connected to the top of the instant heating device.

[0015] Further, a group of liquid discharge ports are arranged on the first liquid passage cavities, the second liquid passage cavities, and the third liquid passage cavities of the water distribution seat, and sealing plugs are installed at the liquid discharge ports.

[0016] The heat exchanger mounting structure of the water supply device and the water supply device have the following beneficial effects compared with the prior art: the heat exchanger mounting structure of the water supply device can conveniently install the plate heat exchanger on the reinforcing support, the reinforcing support can be installed with a hot tank, the hot tank is used for heat exchange with the plate heat exchanger, the reinforcing support can be integrally installed in the shell of the water supply device, the plate heat exchanger and the hot tank are carried by the reinforcing support, the assembly is simple, the assembly is convenient, and the structure is simple and reliable. BRIEF DESCRIPTION OF DRAWINGS

[0017] Figure 1 It is a schematic view of the main structure of the utility model;

[0018] Figure 2 is a main body internal structure schematic diagram of the utility model;

[0019] Figure 3 is a main body schematic diagram of the utility model after removing the shell and the heat preservation shell Figure 1 ;

[0020] Figure 4 is a main body schematic diagram of the utility model after removing the shell and the heat preservation shell Figure 2 ;

[0021] Figure 5 is a part of main body split structure schematic diagram of the utility model Figure 1 ;

[0022] Figure 6 is a part of main body split structure schematic diagram of the utility model Figure 2 ;

[0023] Figure 7 is a water distribution seat structure schematic diagram of the utility model Figure 1 ;

[0024] Figure 8 is a water distribution seat structure schematic diagram of the utility model Figure 2 ;

[0025] Figure 9 is a instant heating device structure schematic diagram of the utility model.

[0026] In the figure: 101, shell; 201, reinforcing support; 301, second connecting part; 401, heat preservation shell; 501, instant heating device; 601, first connecting part; 701, heat exchanger body; 801, water distribution seat; 901, external drinking water outlet pipe; 902, external drinking water inlet pipe; 903, hot tank heat exchange water return pipe; 3001, first butt joint hole; 3002, second butt joint hole; 5001, upper mounting support; 5002, lower mounting support; 5003, upper mounting support hole; 5004, first mounting bolt; 5005, second mounting bolt; 5006, first lower mounting support hole; 5007, second lower mounting support hole; 5008, communication pipe; 7001, first connecting lug; 7002, second connecting lug; 7003, first lug hole; 7004, second lug hole; 7005, fourth connecting lug; 7006, fourth lug hole; 7007, third connecting lug; 7008, third lug hole; 8001, first liquid passage cavity; 8002, first butt joint seat; 8003, connecting interface; 8004, hot tank heat exchange liquid interface pipe; 8005, second butt joint seat; 8006, second water distribution seat mounting hole; 8008, third liquid passage cavity; 8009, hot tank heat exchange water return end pipe; 8010, drinking water heat exchange end pipe; 8011, first water distribution seat mounting hole; 8013, second liquid passage cavity; 8014, sealing plug. DETAILED DESCRIPTION

[0027] In the utility model, the terms "arrange", "have", "connect" should be understood in a broad sense. For example, it can be fixed connection, detachable connection, or integral structure; it can be mechanical connection, or electrical connection; it can be directly connected, or indirectly connected through intermediate medium, or internal communication between two devices, elements or components. For ordinary skilled in the art, the specific meaning of the above terms in the utility model can be understood according to specific circumstances.

[0028] The orientation or positional relationship indicated by the terms "center", "longitudinal", "transverse", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "radial", "circumferential" is based on the orientation or positional relationship shown in the drawings, which is only for the convenience of describing the present application and simplifying the description, and does not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as a limitation on the present application.

[0029] In addition, the terms "first", "second" are only used for descriptive purposes and cannot be understood as indicating or implying relative importance or implicitly indicating the number of indicated technical features. Therefore, the features defined with "first", "second" can explicitly or implicitly include at least one of the features. In the description of the present application, the meaning of "multiple" is at least two, for example, two, three, etc., unless otherwise explicitly specified.

[0030] Also, in addition to indicating the orientation or positional relationship, the above-mentioned part of the term can also be used to indicate other meanings, for example, the term "upper" can also be used to indicate a certain dependent relationship or connection relationship in some cases. For those skilled in the art, the specific meaning of these terms in the present application can be understood according to the specific situation.

[0031] In order to make the purpose, technical scheme and advantages of the present application more clear, the present application will be further described in detail below with reference to the drawings and examples. It should be understood that the specific examples described herein are only used to explain the present application and do not limit the present application.

[0032] Example one: please refer to Figures 1-9 The present application provides a technical scheme: a heat exchanger mounting structure of a water supply device, comprising a shell 101, a reinforcing bracket 201 and a heat exchanger body 701, the heat exchanger body 701 is longitudinally installed or transversely installed on one side of the reinforcing bracket 201. Alternatively, the heat exchanger body 701 is installed on the top of the reinforcing bracket 201, which is stable in structure, convenient for assembling and arranging other components. The reinforcing bracket 201 can be provided with a container (hot tank), and the hot tank is in communication with the heat exchanger body 701.

[0033] Specifically, the reinforcing bracket 201 is fixedly provided with a first connecting part 601 and a second connecting part 301, and the heat exchanger body 701 is fixedly connected with a connecting structure connected with the first connecting part 601 and the second connecting part 301.

[0034] The water supply device equipment is small in overall volume, and the heat exchanger body 701 is convenient to assemble into the inside of the water supply device shell 101, as shown in Figures 3-6As shown, in particular if the following, the connecting structure comprises a first fixed support and a second fixed support, the first fixed support is composed of a first connecting lug 7001 and a third connecting lug 7007, the second fixed support is composed of a second connecting lug 7002 and a fourth connecting lug 7005, a group of first butt joints 3001 and a group of second butt joints 3002 are arranged on the first connecting part 601 and the second connecting part 301, a first lug hole 7003 is arranged on the first connecting lug 7001, a second lug hole 7004 is arranged on the second connecting lug 7002, a third lug hole 7008 is arranged on the third connecting lug 7007, and a group of fourth lug holes 7006 are arranged on the fourth connecting lug 7005, the first lug hole 7003 is fixedly connected with the first butt joint 3001 on the first connecting part 601 through a bolt, the second lug hole 7004 is fixedly connected with the first butt joint 3001 on the second connecting part 301 through a screw, the third lug hole 7008 is fixedly connected with the second butt joint 3002 on the first connecting part 601 through a screw, and the fourth lug hole 7006 is fixedly connected with the second butt joint 3002 on the second connecting part 301 through a screw. When assembling, first, the first connecting part 601 and the second connecting part 301 are installed on the reinforcing support 201 through a screw, the reinforcing support 201 is formed with a rectangular mounting cavity for assembling the heat tank of the water supply device, after the first connecting part 601 and the second connecting part 301 are assembled, the first lug hole 7003 is fixedly connected with the first butt joint 3001 on the first connecting part 601 through a screw, the second lug hole 7004 is fixedly connected with the first butt joint 3001 on the second connecting part 301 through a screw, the third lug hole 7008 is fixedly connected with the second butt joint 3002 on the first connecting part 601 through a screw, and the fourth lug hole 7006 is fixedly connected with the second butt joint 3002 on the second connecting part 301 through a screw, so that the plate heat exchanger for heat exchange with the heat tank inside the water supply device can be conveniently installed inside the water supply device, and the assembly is simple and convenient.

[0035] The first connecting lug 7001, the second connecting lug 7002, the third connecting lug 7007 and the fourth connecting lug 7005 are arranged to facilitate the connection of the heat exchanger body 701 to the first connecting part 601 and the second connecting part 301, and the first connecting part 601 and the second connecting part 301 can be conveniently installed with the reinforcing support 201.

[0036] The reinforcing support 201 is provided with a waterway plate on the upper side, and the interface on the upper end of the heat exchanger body 701 is connected with the waterway plate. The reinforcing support 201 is provided with a heat tank inside, the heat tank is arranged below the waterway plate, and the heat exchanger body 701 is located on one side of the heat tank.

[0037] Reference Figures 5-6 As shown, specifically if the following, the heat exchanger body 701 is externally fitted with a heat preservation shell 401, which is fixedly fitted inside the shell 101 by screws, and the heat preservation shell 401 has a heat preservation cotton layer installed inside.

[0038] The heat preservation shell 401 provided can be heat-preserved when the heat exchanger body 701 exchanges heat, thereby improving the heat exchange efficiency of the heat exchanger body 701.

[0039] Reference Figures 5-8 As shown, for assembling the instant heating device (thick film heater) 501 and the water distribution seat 801, specifically as follows, a water supply device further comprises a shell 101, an instant heating device 501, a top of the instant heating device 501 is fixedly installed with an upper mounting bracket 5001 through a plurality of first mounting bolts 5004, a bottom of the instant heating device 501 is fixedly installed with a lower mounting bracket 5002 through a plurality of second mounting bolts 5005, the upper mounting bracket 5001 is provided with a group of upper mounting bracket holes 5003, the lower mounting bracket 5002 is provided with two groups of symmetrically distributed first lower mounting bracket holes 5006 and second lower mounting bracket holes 5007, the first connecting part 601 is provided with instant heating device upper fitting holes adapted to the upper mounting bracket holes 5003, the instant heating device upper fitting holes and the upper mounting bracket holes 5003 are fixedly fitted through screws, the first lower mounting bracket holes 5006 and the first docking seat 8002 are fixedly fitted through screws, the second lower mounting bracket holes 5007 and the second docking seat 8005 are fixedly fitted through screws, and the instant heating device 501 is arranged adjacent to the heat exchanger body 701. The instant heating device 501 can be a thick film heater.

[0040] When the water distribution seat 801 is installed, the screws are threaded into the first water distribution seat mounting hole 8011 and the second water distribution seat mounting hole 8006 and are on the corresponding connecting brackets, thereby facilitating the assembly of the water distribution seat 801. When the instant heating device 501 is installed, the instant heating device upper fitting holes and the upper mounting bracket holes 5003 are fixedly fitted through screws, then the first lower mounting bracket holes 5006 and the first docking seat 8002 are fixedly fitted through screws, and finally the second lower mounting bracket holes 5007 and the second docking seat 8005 are fixedly fitted through screws, thereby facilitating the installation of the instant heating device 501 on the reinforcing bracket 201.

[0041] The utility model also provides a water supply device, still include the water distribution seat 801, the interface of heat exchanger body 701 lower extreme is connected with water distribution seat 801, water distribution seat 801 is connected with first docking seat 8002 and second docking seat 8005, water distribution seat 801 is connected to the side of heat exchanger body 701 of reinforcing support 201, and water distribution seat 801 is close to the lower extreme of heat exchanger body 701, be used for the assembly of water distribution seat 801.

[0042] Reference Figures 5-8 As shown in the specific, the inside installation of the shell 101 has a group of external drinking water inlet pipe 902 and a group of hot tank heat exchange water return pipe 903, the water distribution seat 801 is provided with two groups of first liquid cavity 8001 and second liquid cavity 8013 that do not communicate with each other, and the water distribution seat 801 is provided with a group of third liquid cavity 8008 that communicates with the first liquid cavity 8001, the first liquid cavity 8001 is fixedly connected with drinking water heat exchange end pipe 8010, and the second liquid cavity 8013 is fixedly connected with hot tank heat exchange water return end pipe 8009.

[0043] When the heat exchanger of the water supply device is used, the external drinking water liquid enters the cold source end of the heat exchanger body 701 through the external drinking water inlet pipe 902, and after heat exchange in the heat exchanger body 701, the external drinking water liquid enters the first liquid cavity 8001 through the drinking water heat exchange end pipe 8010, and finally the heated external water liquid enters the communication pipe 5008 through the connecting interface 8003, then the external water liquid enters the instant heating device 501 for secondary heating, and finally the secondary heated external water liquid is discharged through the external drinking water outlet pipe 901.

[0044] Wherein, the hot tank internal liquid enters the heat exchanger body 701 through the hot tank heat exchange liquid inlet pipe on the hot tank heat exchange liquid interface pipe 8004, and after heat exchange in the heat exchanger body 701, the hot tank internal liquid enters the hot tank heat exchange water return pipe 903 as a heat source, and finally the hot tank internal liquid is reflowed into the hot tank in the reinforcing support 201.

[0045] Reference Figures 5-9 As shown in the specific, the water distribution seat 801 is provided with a hot tank heat exchange liquid interface pipe 8004 that communicates with the inside of the second liquid cavity 8013, the hot tank heat exchange liquid interface pipe 8004 is connected with a hot tank heat exchange liquid inlet pipe, the water distribution seat 801 is provided with a connecting interface 8003 that communicates with the inside of the third liquid cavity 8008, the bottom of the instant heating device 501 is fixedly connected with a communication pipe 5008, the communication pipe 5008 is fixedly connected with the connecting interface 8003, and the top of the instant heating device 501 is fixedly connected with an external drinking water outlet pipe 901.

[0046] Reference Figure 9As shown, the upper mounting bracket 5001 and the lower mounting bracket 5002 are both in 'L' type structure, facilitating assembly.

[0047] Reference Figures 7-8 As shown, the first liquid passage cavity 8001, the second liquid passage cavity 8013 and the third liquid passage cavity 8008 on the water distribution seat 801 are all provided with a liquid discharge port, and the liquid discharge port is provided with a sealing plug 8014, facilitating the impurity removal of the water distribution seat 801.

[0048] Reference Figures 7-8 As shown, the outer surface of the sealing plug 8014 is provided with a plurality of assembly grooves, and a plurality of sealing rubber rings are installed on the assembly grooves, facilitating the waterproof plugging of the liquid discharge port on the water distribution seat 801 through the sealing plug 8014.

[0049] Working principle: the whole water supply device has small volume, facilitating the assembly of the heat exchanger body 701 to the inside of the water supply device shell 101. During assembly, the first connecting part 601 and the second connecting part 301 are first installed on the reinforcing bracket 201 through screws. The reinforcing bracket 201 is provided with a rectangular mounting cavity for assembling the hot tank of the water supply device. After the assembly of the first connecting part 601 and the second connecting part 301 is completed, the first lug hole 7003 and the first butt joint hole 3001 on the first connecting part 601 are fixedly connected through screws, the second lug hole 7004 and the first butt joint hole 3001 on the second connecting part 301 are fixedly connected through screws, the third lug hole 7008 and the second butt joint hole 3002 on the first connecting part 601 are fixedly connected through screws, and the fourth lug hole 7006 and the second butt joint hole 3002 on the second connecting part 301 are fixedly connected through screws, thereby facilitating the assembly of the plate heat exchanger for heat exchange with the internal hot tank of the water supply device to the inside of the water supply device, and facilitating assembly.

[0050] When the water distribution seat 801 is installed, the screws are threaded into the first water distribution seat mounting hole 8011 and the second water distribution seat mounting hole 8006 and connected to the corresponding connecting bracket, thereby facilitating the assembly of the water distribution seat 801. When the instant heating device 501 is installed, the assembly hole on the instant heating device and the upper mounting bracket hole 5003 are fixedly assembled through screws, then the first lower mounting bracket hole 5006 and the first butt joint seat 8002 are fixedly assembled through screws, and finally the second lower mounting bracket hole 5007 and the second butt joint seat 8005 are fixedly assembled through screws, thereby facilitating the installation of the instant heating device 501 on the reinforcing bracket 201.

[0051] When the heat exchanger of the water supply device is used, the external drinking water enters the cold source end of the heat exchanger body 701 through the external drinking water inlet pipe 902, is heated in the heat exchanger body 701, and then enters the first liquid cavity 8001 through the drinking water heat exchange end pipe 8010, and finally the heated external water enters the communication pipe 5008 through the connecting interface 8003, and then the external water enters the instant heating device 501 for secondary heating, and finally the secondary heated external water is transported through the external drinking water outlet pipe 901;

[0052] The liquid in the heat tank enters the heat exchanger body 701 through the heat tank heat exchange liquid inlet pipe on the heat tank heat exchange liquid interface pipe 8004, and is heated in the heat exchanger body 701 to heat the external liquid, and then enters the heat tank heat exchange liquid return pipe 903, and finally is returned to the heat tank.

[0053] It should be noted that in this text, relational terms such as first and second and the like are used merely to distinguish one entity or action from another, without necessarily requiring or implying any such actual relationship or order between such entities or actions. Moreover, the terms "comprises", "comprising", or any other variations thereof are intended to cover non-exclusive inclusions, so that a process, method, article, or apparatus including a series of elements includes not only those elements, but also other elements not explicitly listed, or inherent to such a process, method, article, or apparatus.

[0054] Although the embodiments of the utility model have been shown and described, it can be understood by those skilled in the art that various changes, modifications, replacements and variations can be made to the embodiments without departing from the principles and spirits of the utility model, and the scope of the utility model is defined by the appended claims and their equivalents.

Claims

1. A heat exchanger mounting structure of a water supply device, comprising a reinforcing bracket (201) and a heat exchanger body (701), characterized by: The heat exchanger body (701) is longitudinally or transversely installed on one side of the reinforcing support (201), or the heat exchanger body (701) is installed on the top of the reinforcing support (201).

2. The heat exchanger mounting structure for a water supply apparatus according to claim 1, characterized by: The heat exchanger body (701) is a plate heat exchanger; and / or, the reinforcing support (201) is internally provided with a heat tank.

3. The heat exchanger mounting structure for a water supply device according to claim 1, characterized in that: The reinforcing support (201) is provided with a waterway plate on the top, and an interface on the upper part of the heat exchanger body (701) is connected with the waterway plate.

4. The heat exchanger mounting structure for a water supply apparatus according to claim 3, characterized in that: The heat tank is arranged below the waterway plate, the heat exchanger body (701) is located on one side of the heat tank, and the heat tank is communicated with the heat exchanger body (701).

5. The heat exchanger mounting structure for a water supply apparatus according to claim 4, characterized in that: The reinforcing support (201) is fixedly provided with a first connecting part (601) and a second connecting part (301), and the heat exchanger body (701) is fixedly connected with a connecting structure connected with the first connecting part (601) and the second connecting part (301).

6. A water supply device characterized by comprising: The plate heat exchanger mounting structure comprises the reinforcing support (201), the heat exchanger body (701), the first connecting part (601), the second connecting part (301), and the connecting structure.

7. A water supply device according to claim 6, wherein: The plate heat exchanger mounting structure further comprises a shell (101) and an instant heating device (501), the instant heating device (501) is connected with the reinforcing support (201), and the instant heating device (501) is arranged adjacent to the heat exchanger body (701).

8. A water supply device according to claim 6, wherein: The plate heat exchanger mounting structure further comprises a water distribution seat (801), an interface on the lower end of the heat exchanger body (701) is connected with the water distribution seat (801), the water distribution seat (801) is connected with a first docking seat (8002) and a second docking seat (8005), the water distribution seat (801) is connected to one side of the reinforcing support (201) facing the heat exchanger body (701), and the water distribution seat (801) is close to the lower end of the heat exchanger body (701).

9. A water supply device according to claim 8, wherein: The shell (101) is internally provided with a group of external drinking water inlet pipes (902) and a group of heat tank heat exchange water return pipes (903), the water distribution seat (801) is provided with two groups of first liquid passing cavities (8001) and second liquid passing cavities (8013) which are not communicated with each other, and the water distribution seat (801) is provided with a group of third liquid passing cavities (8008) which are communicated with the first liquid passing cavities (8001), the first liquid passing cavities (8001) are fixedly and continuously provided with drinking water heat exchange end pipes (8010), and the second liquid passing cavities (8013) are fixedly and continuously provided with heat tank heat exchange water return end pipes (8009). The water distribution seat (801) is provided with a heat tank heat exchange liquid interface pipe (8004) which is communicated with the inside of the second liquid passing cavity (8013), the heat tank heat exchange liquid interface pipe (8004) is continuously provided with a heat tank heat exchange liquid inlet pipe, the water distribution seat (801) is provided with a connecting interface (8003) which is communicated with the inside of the third liquid passing cavity (8008), the bottom of the instant heating device (501) is fixedly and continuously provided with a communication pipe (5008), the communication pipe (5008) is fixedly and continuously provided with the connecting interface (8003), and the top of the instant heating device (501) is fixedly and continuously provided with an external drinking water outlet pipe (901).

10. A water supply device according to claim 9, wherein: The first liquid passing cavity (8001), the second liquid passing cavity (8013) and the third liquid passing cavity (8008) on the water distribution seat (801) are provided with liquid discharge ports, and sealing plugs (8014) are installed at the liquid discharge ports.

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