Instant heating type brewing water dispenser

Abstract

The utility model provides an instant heating type brewing water dispenser. The instant heating type brewing water dispenser comprises a shell, a water heating assembly, a water outlet nozzle and a brewing assembly. The water heating assembly is fixed in the shell, a water tank is arranged in the shell, the water inlet end of the water heating assembly is communicated with the bottom of the water tank, the water outlet nozzle is connected to the top of the front side of the shell, the water inlet end of the water outlet nozzle is connected with the water outlet end of the water heating assembly, and the brewing assembly is connected to the front side of the shell. A containing area used for containing a container is formed in the position, below the brewing assembly, of the shell, a water inlet in the brewing assembly is vertically aligned with the water outlet nozzle, and a water outlet in the brewing assembly is vertically aligned with the container. The brewing assembly is detachably connected to the front side of the shell; an inserting block is arranged on the rear side of the bottom of the brewing assembly, an inserting groove is formed in the front side of the shell, and the inserting block and the inserting groove are tightly inserted in a matched mode. The brewing assembly in the brewing device can be detached relative to the shell, so that convenience can be brought to cleaning of the brewing assembly.

Description

Technical Field

[0001] The utility model relates to the technical field of instant hot water dispensers, in particular to an instant hot water brewing dispenser. Background Art

[0002] As people's living taste and health concept continue to improve, brewing and tasting tea has become a health fashion. Generally, the tea brewing process usually includes three steps: boiling water, brewing and separating tea and water. In the related art, boiling water, brewing and separating tea and water are all performed independently and require manual operation. Specifically, users often have to wait for the water to boil, pour hot water into the brewing pot, brew for a period of time, and then manually separate the tea and water, which is inconvenient to operate.

[0003] For this reason, a kind of brewing water dispenser is currently available on the market, which includes a brewing component, which can brew tea materials and provide users with drinking water after brewing tea materials. However, in the existing brewing water dispenser structure, the brewing component is directly fixed on the body of the brewing water dispenser, that is, the brewing component cannot be disassembled from the body of the brewing water dispenser, which has the disadvantage of being inconvenient to clean the brewing component. Utility Model Content

[0004] The technical problem to be solved by the utility model is to provide an instant hot water brewing machine, the brewing components inside the machine can be disassembled relative to the shell, so as to facilitate the cleaning of the brewing components.

[0005] The utility model provides an instant hot brewing water dispenser, comprising a shell, a water heating component, a water outlet and a brewing component; the water heating component is fixed inside the shell, a water tank is arranged inside the shell, a water inlet end of the water heating component is communicated with the bottom of the water tank, the water outlet is connected to the top of the front side of the shell, the water inlet end of the water outlet is connected to the water outlet end of the water heating component, the brewing component is connected to the front side of the shell, a placement area for placing a container is formed on the shell below the brewing component, the water inlet on the brewing component is vertically aligned with the water outlet, and the water outlet on the brewing component is vertically aligned with the container; the brewing component is detachably connected to the front side of the shell; a plug-in block is arranged on the rear side of the bottom of the brewing component, a slot is arranged on the front side of the shell, and the plug-in block is tightly plugged into the slot.

[0006] After adopting the above structure, the utility model can facilitate the cleaning of the brewing assembly because the brewing assembly is detachably connected to the front side of the shell, that is, when the brewing assembly needs to be cleaned, it can be removed from the shell.

[0007] In a possible embodiment, the brewing component includes a base, a cup cover, a sealing component, a wrench, a filter screen cartridge and a ring-shaped cup body; the plug-in block is arranged on the rear side of the base, the lower end of the cup body is circumferentially sealed and fixed to the upper end of the base, the cup cover is covered on the upper end of the cup body, the middle part of the cup cover forms a water inlet of the brewing component, the middle part of the base forms a water outlet of the brewing component, the sealing component is connected to the water outlet and is used to block the water outlet, the middle part of the wrench is rotatably connected to one side of the base, the inner end of the wrench extends to the bottom of the sealing component, and the outer end of the wrench extends to the outside of the base; when the outer end of the wrench is pressed, the inner end of the wrench is used to push the sealing component upward to release the sealing state of the water outlet; the filter screen cartridge is a cylindrical structure with a closed upper end and an open lower end, and the peripheral wall of the filter screen cartridge A plurality of filter holes are arranged on the top; a sealing ring is fixed at the opening of the lower end of the filter screen cylinder, and the sealing ring protrudes from the filter screen cylinder along the radial direction of the filter screen cylinder; an annular step is arranged on the inner bottom of the base, and the outer edge of the sealing ring is embedded in the annular step and sealed with the annular step; the water outlet and the sealing assembly are located below the middle of the filter screen cylinder; after adopting the above-mentioned brewing assembly, since a sealing ring is fixed at the opening of the lower end of the filter screen cylinder, an annular step is arranged on the inner bottom of the base, and the outer edge of the sealing ring is embedded in the annular step and sealed with the annular step, that is, the filter screen cylinder and the base are detachably connected, so that when it is necessary to clean the tea material remaining on the filter screen cylinder, the filter screen cylinder can be removed from the brewing cup, that is, it can bring convenience to the cleaning of the tea material remaining on the filter screen cylinder.

[0008] In a possible embodiment, an outwardly folded annular folded edge is provided at the opening of the lower end of the filter screen cylinder, and an annular embedding groove is provided on the inner peripheral wall of the sealing ring, and the annular folded edge is embedded in the annular embedding groove and tightly sealed with the annular embedding groove; by adopting this structure, when the sealing ring and the filter screen cylinder are assembled, the annular folded edge at the opening of the filter screen cylinder can be embedded in the annular embedding groove and tightly sealed with the annular embedding groove, so that the sealing ring can be reliably and conveniently assembled at the opening of the filter screen cylinder.

[0009] In a possible embodiment, the sealing assembly includes a plug, a sealing member and a spring; the plug is vertically movably arranged in the water outlet, a gap is left between the outer wall of the plug and the inner wall of the water outlet, the sealing member is fixed to the upper end of the plug, an annular convex edge is arranged on the outer wall of the sealing member, the spring is sleeved on the outside of the plug, an annular boss is arranged on the outer wall of the lower end of the plug, the lower end of the spring abuts against the annular boss, the upper end of the spring abuts against the base, the spring is used to apply a downward thrust to the plug and the sealing member so that the annular convex edge is tightly sealed with the inner bottom of the base, and the inner end of the wrench abuts against the plug. The lower end of the head abuts against the lower end of the head; by adopting this sealing assembly, when the outer end of the wrench is pressed, the inner end of the wrench can push the plug upward, at this time, the plug can drive the sealing member to move upward, and after the sealing member moves upward, the annular convex edge can be separated from the inner bottom of the base, that is, the sealing assembly can release the blocking state of the water outlet, that is, the tea in the cup body can leak out through the water outlet; when the pressing handle is released, the spring can apply a downward thrust to the plug and the seal, at this time, the annular convex edge can be tightly sealed with the inner bottom of the base, that is, the water outlet can stop discharging water.

[0010] In a possible embodiment, the sealing member is sleeved on the outside of the upper end of the plug, an annular groove is provided on the outer wall of the upper end of the plug, and an annular clamping portion is provided on the inner wall of the sealing member, and the annular clamping portion is engaged with the annular groove; by adopting this structure, when the sealing member and the plug are assembled, the annular clamping portion can engage with the annular groove, so that the sealing member can be reliably and conveniently assembled with the plug.

[0011] In a possible embodiment, an annular groove is provided at the edge of the upper end of the base, and the lower end of the cup body is inserted into the annular groove and glued and fixed to the base and circumferentially sealed; by adopting this structure, the lower end of the cup body can be reliably fixed to the base and achieve the purpose of circumferential sealing; in addition, since the lower end of the cup body is inserted into the annular groove, when the cup body and the base are glued and fixed, it can play a limiting role on the cup body and the base, that is, it can facilitate the gluing and fixing of the cup body and the base.

[0012] In a possible embodiment, the cup body is made of glass material, and an annular insulating cavity is arranged on the side wall of the cup body; after the cup body is made of glass material, the user can observe the remaining tea in the cup body through the cup body, which can bring convenience to the user; in addition, since an annular insulating cavity is arranged on the side wall of the cup body, the insulating effect of the cup body can be improved to slow down the heat loss of the tea inside the cup body.

[0013] In a possible embodiment, the water heating component includes a water guide joint, a water pump and an electric heater; the water guide joint is fixed on the outer bottom of the water tank and the water inlet end of the water guide joint is connected to the water tank, the water inlet end of the water guide joint is circumferentially sealed with the outer bottom of the water tank, the water pump and the electric heater are both fixed inside the shell, the water inlet end of the water pump is connected to the water outlet end of the water guide joint through a first connecting pipe, the water inlet end of the electric heater is connected to the water outlet end of the water pump through a second connecting pipe, and the water inlet end of the water outlet nozzle is connected to the water outlet end of the electric heater through a third connecting pipe; after adopting this water heating component, the water pump can extract drinking water in the water tank through the first connecting pipe and the water guide joint, and then the drinking water can enter the electric heater through the second connecting pipe, and after the drinking water is heated by the electric heater, it can enter the water outlet nozzle through the third connecting pipe and finally be discharged through the water outlet nozzle; that is, after adopting the above-mentioned water heating component, it is possible to reliably heat the drinking water from the water tank, and the heated drinking water can be discharged through the water outlet nozzle. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 It is a three-dimensional structural schematic diagram of the utility model;

[0015] Figure 2 It is a schematic diagram of a partially exploded three-dimensional structure of the utility model;

[0016] Figure 3 This is a first cross-sectional structural schematic diagram of the utility model;

[0017] Figure 4 This is a second cross-sectional structural schematic diagram of the utility model;

[0018] Figure 5 It is a schematic diagram of the three-dimensional structure of the brewing component;

[0019] Figure 6 is a schematic cross-sectional structural diagram of a brewing component;

[0020] Figure 7 for Figure 6 Schematic diagram of the structure after enlargement at A in the middle. DETAILED DESCRIPTION

[0021] First, those skilled in the art should understand that these implementations are only used to explain the technical principles of the embodiments of the present application, and are not intended to limit the protection scope of the embodiments of the present application. Those skilled in the art can make adjustments to them as needed to adapt to specific application scenarios.

[0022] In the description of the embodiments of the present application, it should be noted that, unless otherwise clearly specified and limited, the terms "connected" and "connection" should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be directly connected or indirectly connected through an intermediate medium. For ordinary technicians in this field, the specific meanings of the above terms in the embodiments of the present application can be understood according to specific circumstances.

[0023] In the embodiments of the present application, unless otherwise clearly specified and limited, a first feature being "above" or "below" a second feature may mean that the first and second features are in direct contact, or the first and second features are in indirect contact through an intermediate medium. Moreover, a first feature being "above", "above" or "above" a second feature may mean that the first feature is directly above or obliquely above the second feature, or simply means that the first feature is higher in level than the second feature. A first feature being "below", "below" or "below" a second feature may mean that the first feature is directly below or obliquely below the second feature, or simply means that the first feature is lower in level than the second feature.

[0024] The present application is further described in detail below with reference to the accompanying drawings and specific embodiments.

[0025] See also Figure 1-7 As shown, the embodiment of the present application discloses an instant hot brewing water dispenser, comprising a shell 1, a water heating component 2, a water outlet 3 and a brewing component; the water heating component 2 is fixed inside the shell 1, a water tank 11 is arranged inside the shell 1, a water inlet end of the water heating component 2 is connected to the bottom of the water tank 11, the water outlet 3 is connected to the top of the front side of the shell 1, the water inlet end of the water outlet 3 is connected to the water outlet end of the water heating component 2, the brewing component is connected to the front side of the shell 1, a placement area 12 for placing a container 4 is formed on the shell 1 below the brewing component, a water inlet 61 on the brewing component is vertically aligned with the water outlet 3, and a water outlet 52 on the brewing component is vertically aligned with the container 4; the brewing component is detachably connected to the front side of the shell 1; a plug-in block 51 is arranged on the rear side of the bottom of the brewing component, a slot 13 is arranged on the front side of the shell 1, and the plug-in block 51 is tightly plugged into the slot 13.

[0026] The brewing component includes a base 5, a cup cover 6, a sealing component 7, a wrench 8, a filter screen cartridge 9 and a ring-shaped cup body 10; the plug-in block 51 is arranged on the rear side of the base 5, the lower end of the cup body 10 is circumferentially sealed and fixed to the upper end of the base 5, the cup cover 6 covers the upper end of the cup body 10, the middle part of the cup cover 6 forms a water inlet 61 of the brewing component, the middle part of the base 5 forms a water outlet 52 of the brewing component, the sealing component 7 is connected to the water outlet 52 and is used to block the water outlet 52, the middle part of the wrench 8 is rotatably connected to one side of the base 5, the inner end of the wrench 8 extends to the bottom of the sealing component 7, and the outer end of the wrench 8 extends to the outside of the base 5; when the outer end of the wrench 8 is pressed, the inner end of the wrench 8 is used to push the sealing component 7 upward so that the sealing component 7 releases the blocking state of the water outlet 52; the filter screen cartridge 9 is a cylindrical structure with a closed upper end and an open lower end. 9 is provided with a plurality of filter holes 91 on the peripheral wall; a sealing ring 90 is fixed at the opening of the lower end of the filter screen cylinder 9, and the sealing ring 90 protrudes from the filter screen cylinder 9 along the radial direction of the filter screen cylinder 9, and an annular step 53 is provided on the inner bottom of the base 5, and the outer edge of the sealing ring 90 is embedded in the annular step 53 and is sealed with the annular step 53; the water outlet 52 and the sealing component 7 are located below the middle of the filter screen cylinder 9; after adopting the above-mentioned brewing component, since a sealing ring is fixed at the opening of the lower end of the filter screen cylinder, an annular step is provided on the inner bottom of the base, the outer edge of the sealing ring is embedded in the annular step and is sealed with the annular step, that is, the filter screen cylinder and the base are detachably connected, so that when it is necessary to clean the tea material remaining on the filter screen cylinder, the filter screen cylinder can be removed from the brewing cup, that is, it can bring convenience to the cleaning of the tea material remaining on the filter screen cylinder.

[0027] An outwardly folded annular folded edge 92 is provided at the opening of the lower end of the filter screen cylinder 9, and an annular embedding groove 901 is provided on the inner peripheral wall of the sealing ring 90. The annular folded edge 92 is embedded in the annular embedding groove 901 and is tightly sealed with the annular embedding groove 901; by adopting this structure, when the sealing ring and the filter screen cylinder are assembled, the annular folded edge at the opening of the filter screen cylinder can be embedded in the annular embedding groove and is tightly sealed with the annular embedding groove, so that the sealing ring can be reliably and conveniently assembled at the opening of the filter screen cylinder.

[0028] The sealing assembly 7 includes a plug 71, a sealing member 72 and a spring 73; the plug 71 is vertically movably arranged in the water outlet 52, a gap is left between the outer wall of the plug 71 and the inner wall of the water outlet 52, the sealing member 72 is fixed to the upper end of the plug 71, an annular convex edge 721 is provided on the outer wall of the sealing member 72, the spring 73 is sleeved on the outside of the plug 71, an annular boss 711 is provided on the outer wall of the lower end of the plug 71, the lower end of the spring 73 abuts against the annular boss 711, the upper end of the spring 73 abuts against the base 5, and the spring 73 is used to apply a downward thrust to the plug 71 and the sealing member 72 so that the annular convex edge 721 and the base 5 is tightly sealed, and the inner end of the wrench 8 is against the lower end of the plug 71; by adopting this sealing assembly, when the outer end of the wrench is pressed, the inner end of the wrench can push the plug upward, at this time, the plug can drive the seal to move upward, after the seal moves upward, the annular convex edge can be separated from the inner bottom of the base, that is, the sealing assembly can release the blocking state of the water outlet, that is, the tea in the cup body can leak out through the water outlet; when the pressing handle is released, the spring can apply a downward thrust to the plug and the seal, at this time, the annular convex edge can be tightly sealed with the inner bottom of the base, that is, the water outlet can stop discharging water.

[0029] The sealing member 72 is sleeved on the outside of the upper end of the plug 71. An annular groove 712 is provided on the outer wall of the upper end of the plug 71. An annular clamping portion 722 is provided on the inner wall of the sealing member 72. The annular clamping portion 722 is engaged with the annular groove 712. By adopting this structure, when the sealing member and the plug are assembled, the annular clamping portion can be engaged with the annular groove, so that the sealing member can be reliably and conveniently assembled with the plug.

[0030] An annular groove 54 is provided at the edge of the upper end of the base 5, and the lower end of the cup body 10 is inserted into the annular groove 54 and is glued and fixed to the base 5 and circumferentially sealed; by adopting this structure, the lower end of the cup body can be reliably fixed to the base and achieve the purpose of circumferential sealing; in addition, since the lower end of the cup body is inserted into the annular groove, when the cup body and the base are glued and fixed, it can play a limiting role on the cup body and the base, that is, it can facilitate the gluing and fixing of the cup body and the base.

[0031] The cup body 10 is made of glass material, and an annular heat-insulating cavity 101 is arranged on the side wall of the cup body 10; after the cup body is made of glass material, the user can observe the remaining amount of tea in the cup body through the cup body, which can bring convenience to the user; in addition, since an annular heat-insulating cavity is arranged on the side wall of the cup body, the heat-insulating effect of the cup body can be improved to slow down the heat loss of the tea inside the cup body.

[0032] The water heating assembly 2 includes a water guide joint 21, a water pump 22 and an electric heater 23; the water guide joint 21 is fixed on the outer bottom of the water tank 11 and the water inlet end of the water guide joint 21 is connected to the water tank 11, the water inlet end of the water guide joint 21 is circumferentially sealed with the outer bottom of the water tank 11, the water pump 22 and the electric heater 23 are both fixed inside the housing 1, the water inlet end of the water pump 22 is connected to the water outlet end of the water guide joint 21 through a first connecting pipe 24, the water inlet end of the electric heater 23 is connected to the water outlet end of the water pump 22 through a second connecting pipe 25, and the inlet end of the water outlet nozzle 3 is connected to the water outlet end of the water pump 22. The water end is connected to the water outlet end of the electric heater 23 through the third connecting pipe 26; by adopting this water heating component, the water pump can extract the drinking water in the water tank through the first connecting pipe and the water guide joint, and then the drinking water can enter the electric heater through the second connecting pipe. After the drinking water is heated by the electric heater, it can enter the water outlet through the third connecting pipe and finally be discharged through the water outlet; that is, by adopting the above-mentioned water heating component, it is possible to reliably heat the drinking water from the water tank, and the heated drinking water can be discharged through the water outlet.

[0033] When using the utility model, the water heating component can heat the drinking water from the water tank, and the heated drinking water can be discharged through the water outlet, and the heated drinking water discharged through the water outlet can enter the cup body through the water inlet on the cup cover. After the heated drinking water enters the cup body, the drinking water can be used to brew the tea material added to the cup body in advance. After the tea material has been brewed for a period of time, when the outer end of the wrench is pressed, the inner end of the wrench can push the plug upward. At this time, the plug can drive the sealing member to move upward. After the sealing member moves upward, the annular convex edge can be separated from the inner bottom of the base, that is, the sealing member can release the blocking state of the water outlet. At this time, the drinking water after brewing the tea material can be discharged into the container through the water outlet.

[0034] The above is only a specific implementation of the present application, but the protection scope of the present application is not limited thereto. Any changes or substitutions that can be easily thought of by a person skilled in the art within the technical scope disclosed in the present application should be included in the protection scope of the present application. Therefore, the protection scope of the present application shall be subject to the protection scope of the claims.

Claims

1. An instant hot water dispenser, comprising a housing (1), a water heating component (2), a water outlet (3) and a brewing component; the water heating component (2) is fixed inside the housing (1); a water tank (11) is arranged inside the housing (1); a water inlet end of the water heating component (2) is communicated with the bottom of the water tank (11); the water outlet (3) is connected to the top of the front side of the housing (1); the water inlet end of the water outlet (3) is connected to the water outlet end of the water heating component (2); the brewing component is connected to the front side of the housing (1); a placement area (12) for placing a container (4) is formed on the housing (1) below the brewing component; a water inlet (61) on the brewing component is vertically aligned with the water outlet (3); and a water outlet (52) on the brewing component is vertically aligned with the container (4); characterized in that: The brewing component is detachably connected to the front side of the shell (1); a plug-in block (51) is provided on the rear side of the bottom of the brewing component, and a slot (13) is provided on the front side of the shell (1); the plug-in block (51) is tightly plugged into the slot (13).

2. The instant hot water dispenser according to claim 1, characterized in that: The brewing component comprises a base (5), a cup cover (6), a sealing component (7), a wrench (8), a filter screen cylinder (9) and a ring-shaped cup body (10); the plug-in block (51) is arranged on the rear side of the base (5); the lower end of the cup body (10) is circumferentially sealed and fixed to the upper end of the base (5); the cup cover (6) covers the upper end of the cup body (10); the middle part of the cup cover (6) forms a water inlet (61) of the brewing component; the middle part of the base (5) forms a water outlet (52) of the brewing component; the sealing component (7) is connected to the water outlet (52) and is used to block the water outlet (52); the middle part of the wrench (8) is rotatably connected to one side of the base (5); the inner end of the wrench (8) extends to the bottom of the sealing component (7); the outer end of the wrench (8) is The filter screen cylinder (9) is a cylindrical structure with a closed upper end and an open lower end, and a plurality of filter holes (91) are arranged on the peripheral wall of the filter screen cylinder (9); a sealing ring (90) is fixed at the opening of the lower end of the filter screen cylinder (9), and the sealing ring (90) protrudes from the filter screen cylinder (9) along the radial direction of the filter screen cylinder (9); an annular step (53) is arranged on the inner bottom of the base (5), and the outer edge of the sealing ring (90) is embedded in the annular step (53) and is sealed with the annular step (53); the water outlet (52) and the sealing assembly (7) are located below the middle of the filter screen cylinder (9).

3. The instant hot water dispenser according to claim 2, characterized in that: An outwardly folded annular folded edge (92) is provided at the opening of the lower end of the filter screen cylinder (9), an annular embedding groove (901) is provided on the inner peripheral wall of the sealing ring (90), and the annular folded edge (92) is embedded in the annular embedding groove (901) and is tightly sealed with the annular embedding groove (901).

4. The instant hot water dispenser according to claim 2 or 3, characterized in that: The sealing assembly (7) comprises a plug (71), a sealing member (72) and a spring (73); the plug (71) is vertically movably arranged in the water outlet (52); a gap is left between the outer wall of the plug (71) and the inner wall of the water outlet (52); the sealing member (72) is fixed to the upper end of the plug (71); an annular convex edge (721) is arranged on the outer wall of the sealing member (72); and the spring (73) is sleeved on the outside of the plug (71). An annular boss (711) is provided on the outer wall of the lower end of the plug (71), the lower end of the spring (73) abuts against the annular boss (711), the upper end of the spring (73) abuts against the base (5), the spring (73) is used to apply a downward thrust to the plug (71) and the sealing member (72) so that the annular convex edge (721) is tightly sealed against the inner bottom of the base (5), and the inner end of the wrench (8) abuts against the lower end of the plug (71).

5. The instant hot water dispenser according to claim 4, characterized in that: The sealing member (72) is sleeved on the outside of the upper end of the plug (71); an annular groove (712) is provided on the outer wall of the upper end of the plug (71); an annular clamping portion (722) is provided on the inner wall of the sealing member (72); the annular clamping portion (722) is engaged with the annular groove (712).

6. The instant hot water dispenser according to claim 2, 3 or 5, characterized in that: An annular groove (54) is provided at the edge of the upper end of the base (5), and the lower end of the cup body (10) is inserted into the annular groove (54) and is glued and fixed to the base (5) and sealed circumferentially.

7. The instant hot water dispenser according to claim 6, characterized in that: The cup body (10) is made of glass material, and an annular heat-insulating cavity (101) is provided on the side wall of the cup body (10).

8. The instant hot water dispenser according to claim 1, characterized in that: The water heating assembly (2) comprises a water guide joint (21), a water pump (22) and an electric heater (23); the water guide joint (21) is fixed on the outer bottom of the water tank (11) and the water inlet end of the water guide joint (21) is in communication with the water tank (11); the water inlet end of the water guide joint (21) is circumferentially sealed with the outer bottom of the water tank (11); the water pump (22) and the electric heater (23) are both fixed inside the housing (1); the water inlet end of the water pump (22) is connected to the water outlet end of the water guide joint (21) via a first connecting pipe (24); the water inlet end of the electric heater (23) is connected to the water outlet end of the water pump (22) via a second connecting pipe (25); and the water inlet end of the water outlet nozzle (3) is connected to the water outlet end of the electric heater (23) via a third connecting pipe (26).

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