Coffee grinding device and coffee machine

Abstract

The utility model provides a coffee grinding device and coffee maker, the coffee grinding device includes the mounting cup, filter pocket and grinding component that locate from outside to inside in proper order, the lower end of mounting cup is provided with the liquid outlet end, the upper side of mounting cup is provided with external connection structure, the inner side of mounting cup upper part is provided with the bearing position, and the bearing position is provided with the filter pocket. A bearing piece is arranged on the periphery of the upper part of the filter bag in an extending manner and is supported to the bearing position; a liquid outlet space is formed between the periphery of the filter pocket and the inner side of the mounting cup, and a plurality of filter holes communicated with the liquid outlet space are formed in the filter pocket; a grinding space is formed between the periphery of the grinding assembly and the filter pocket, a plurality of water inlet holes communicated with the grinding space are formed in the grinding assembly, and a supporting piece is arranged on the periphery of the upper portion of the grinding assembly in an extending mode and supported to the upper side of the bearing piece; through the arrangement of the mounting structure of the mounting cup, the filter pocket and the grinding assembly of the coffee grinding device, the coffee grinding device has the advantage of being simple and stable in mounting structure.

Description

TECHNICAL FIELD

[0001] The utility model relates to coffee machine structure technical field, concretely relates to a coffee grinding device and coffee machine. BACKGROUND

[0002] At present, the market sets up different beverage processing, food material processing equipment such as coffee machine, soya milk machine, food processor, and during the corresponding beverage processing and food material processing, water source needs to be added to prepare. The cleanliness of water source addition is crucial to beverage processing and food material processing. If domestic user needs water purification function and beverage processing, food material processing function application simultaneously, two or more than two equipment need to be purchased, and then combined application is carried out, and the application mode is inconvenient for user's use, first, independent water source input of multiple ends needs to be set, second, equipment occupies large domestic use space.

[0003] In the current coffee machine application, the connection structure between part of the coffee grinding device and the coffee machine has the technical defects of poor structural stability and poor waterproof sealing. UTILITY MODEL CONTENTS

[0004] The utility model aims at overcoming the deficiency of prior art and provides a coffee grinding device and coffee machine.

[0005] Coffee grinding device, it includes the installation cup, filter bag and grinding assembly that are sequentially positioned from outside to inside, the installation cup lower end sets out the liquid end, the installation cup upper side sets up the external connection structure, the installation cup upper inboard sets up the support position, the filter bag upper portion periphery extends and sets up the support piece and is supported to the support position, the filter bag periphery with the installation cup inboard has the liquid outlet space, the filter bag is set up and is connected with a plurality of filter holes of the liquid outlet space, the grinding space between the grinding assembly periphery and the filter bag, the grinding assembly is set up and is connected with a plurality of water inlet holes of the grinding space, the grinding assembly upper periphery extends and sets up the support piece and is supported to the support piece upper side.

[0006] Further, the installation cup includes the cup body that is set up with the opening on the upper side, the cup body upper side periphery extends and sets up the installation wall vertically, the cup body upper side caliber is less than the installation wall inner diameter, and the support position is formed between the cup body and the installation wall at the connecting position.

[0007] Further, the filter bag is set up with the opening on the upper side, the filter bag upper side opening periphery extends and sets up the support piece horizontally, and the support piece is supported to the support position.

[0008] Further, the external connection structure includes the installation guide slot of L shape that is set up in the installation wall inboard, and the installation guide slot forms the guide slot entrance on the installation wall upper end.

[0009] Further, the grinding assembly comprises a mounting body, a grinding blade is connected to the lower side of the mounting body, a water inlet groove is arranged on the upper periphery of the mounting body, and the water inlet hole is located in the water inlet groove, and the support is arranged on the periphery of the water inlet groove.

[0010] Further, the mounting body comprises a mounting cylinder arranged in a cylindrical shape, a surrounding wall is arranged on the upper side of the mounting cylinder and extends vertically, and the water inlet groove is arranged on the periphery of the surrounding wall; a driving shaft is inserted into the mounting cylinder, the lower end of the driving shaft is connected to the grinding blade, and the upper end of the driving shaft is provided with a mounting key.

[0011] Further, a first handle is rotatably connected to the upper side of the mounting body, and a second handle is rotatably connected to the upper side of the filter pocket; a holding handle is arranged on the outer side of the upper part of the mounting cup.

[0012] The coffee machine comprises a machine shell, a water supply end is arranged on the machine shell, and a mounting clamp is arranged at the position of the water supply end; the coffee grinding device as described above is further included, the mounting clamp is detachably connected with the external structure, and a water path is formed in communication between the water supply end and the water inlet hole.

[0013] Further, the machine shell is provided with a first sealing assembly corresponding to the position of the mounting clamp, when the coffee grinding device is assembled at the position of the water supply end, the first sealing assembly is pressed between the upper end of the support and the inner side of the upper part of the mounting cup to form a waterproof seal. The first sealing assembly comprises a sealing waterproof pad, which is arranged around the upper side of the support and is pressed against the support when assembled.

[0014] The machine shell is provided with a second sealing assembly corresponding to the position of the upper end of the grinding assembly, when the coffee grinding device is assembled at the position of the water supply end, the second sealing assembly is pressed against the upper end of the grinding assembly, and the water inlet hole is located between the first sealing assembly and the second sealing assembly.

[0015] Further, the machine shell is provided with the water supply end at one side of the front end, and the water outlet end is arranged at the other side of the front end; the machine shell is provided with a filter module along the front-rear direction at the lower part, a pure water tank is arranged along the vertical direction at the middle part of the machine shell, a heating module is arranged at the front part of the machine shell, and a raw water tank is arranged at the rear part of the machine shell; a first raw water inlet is arranged in the raw water tank, and the first raw water inlet is in communication with the water inlet side of the filter module to form a first raw water flow channel; the pure water side of the filter module, the pure water tank, and the water inlet side of the heating module are in communication to form a pure water heating flow channel; the water outlet side of the heating module and the water outlet end are in communication to form a water outlet flow channel; and the water outlet side of the heating module and the water supply end are in communication to form a water supply flow channel.

[0016] The coffee grinding device has the advantages that:

[0017] The coffee grinding device has the characteristics of simple and stable installation structure.

[0018] The coffee machine further comprises a first sealing assembly arranged correspondingly and used for tightly pressing the upper end of the supporting piece, so that the connection stability of the mounting cup, the filter bag and the grinding assembly is effectively increased, the waterproof function is met, and water in the coffee grinding device is prevented from leaking outwards. BRIEF DESCRIPTION OF DRAWINGS

[0019] Figure 1 The coffee grinding device of the utility model has the structural setting schematic diagram;

[0020] Figure 2 The coffee machine of the utility model has the combined setting schematic diagram;

[0021] Figure 3 The Figure 2 A local enlarged view of the coffee grinding device.

[0022] BRIEF DESCRIPTION OF DRAWINGS

[0023] The shell 1, the coffee processing part 11, the positioning seat 111, the mounting clamping piece 121, the supporting part 13, the front opening door 131, the first placed space 14, the water supply end 2, the driving motor 21, the attached sleeve 211,

[0024] The coffee grinding device 3, the mounting cup 31, the cup body 310, the supporting position 311, the first clamping tooth 3111, the mounting wall 312, the filter bag 32, the filter hole 320, the supporting piece 321, the second clamping tooth 3211, the grinding assembly 33, the water inlet hole 330, the supporting piece 331, the mounting main body 332, the mounting barrel 3321, the enclosing wall 3322, the grinding knife 333, the driving shaft 3331, the mounting key 3332, the water inlet groove 334, the liquid outlet end 34, the external connection structure 35, the mounting guide groove 351, the guide groove inlet 352, the liquid outlet space 36, the grinding space 37, the first sealing assembly 38, the second sealing assembly 39,

[0025] The filter module 4, the reverse osmosis filtering device 41, the rear filtering device 42, the heating module 5, the raw water tank 6, the first raw water input end 61, the backflow input end 62, the pure water tank 7, the pressure boosting module 8. DETAILED DESCRIPTION

[0026] In order to make the technical scheme, the object and the advantages of the utility model more clearly, the following will be further explained and described by combining with the drawings and the embodiments.

[0027] As shown in the accompanying Figures 1 to 3 The utility model provides a coffee machine scheme, it is provided as application pure water filter coffee machine, its structure setting includes raw water tank 6, filter module 4, heating module 5, water end and water supply end 2, the water supply end 2 position sets up mounting clamp 121 to be attached with coffee grinder 3 of setting.

[0028] Specifically, the first raw water input end 61 is arranged in the raw water tank 6, the first raw water input end 61 is communicated with the water inlet side of the filter module 4 to form a first raw water flow channel, the pure water side of the filter module 4 is communicated with the water inlet side of the heating module 5 to form a pure water heating flow channel, the water outlet side of the heating module 5 has a water taking flow channel with the water end, and the water outlet side of the heating module 5 is communicated with the water supply end 2 to form a water supply flow channel for inputting hot water to the coffee grinder 3.

[0029] The basic application principle is that the water end is used as a conventional external water taking position, the water supply end 2 is attached with the coffee grinder 3, the raw water in the raw water tank 6 is introduced to the filter module 4 through the first raw water flow channel, and then the filtered pure water is introduced to the heating module 5 to be heated, and the obtained hot water can be output externally through the water end or input to the water supply end 2 to input the hot water to the externally connected coffee grinder 3 for hot water supply.

[0030] Embodiment 1:

[0031] In order to realize the compact structure layout effect, the water purifier of the embodiment is preferably structured as follows: including a casing 1, one side of the casing 1 is provided with a water supply end 2 at the front end, the other side of the casing 1 is provided with a water end at the front end, the filter module 4 is arranged along the front-rear direction at the lower part of the casing 1, the heating module 5 is arranged at the front part of the casing 1, and the raw water tank 6 is arranged at the rear part of the casing 1. The water supply end 2 and the water end are arranged at the front ends of the two sides respectively, combined with the raw water tank 6 arranged at the rear side and the filter module 4 arranged at the lower part, so that the water purifier can meet the waterway function application premise of the two ends at the same time, and the size control design in the front-rear direction is maximized.

[0032] The coffee processing part 11 is arranged on the front upper part of one side of the casing 1 corresponding to the position of the water supply end 2 and extends forward, a drive motor 21 is arranged inside the coffee processing part 11, the drive motor 21 extends out of a connecting shaft at the lower side of the coffee processing part 11, and a mounting sleeve 211 is arranged at the end of the connecting shaft. The mounting clamp 121 is arranged at the lower side of the coffee processing part 11 corresponding to the outer peripheral range of the connecting shaft.

[0033] The coffee grinder 3 comprises a mounting cup 31, a filter pocket 32 and a grinding assembly 33 which are sleeved from outside to inside, a holding handle is arranged on the upper outside of the mounting cup 31, a liquid outlet 34 is arranged at the lower end of the mounting cup 31, an external structure 35 is arranged on the upper side of the mounting cup 31, a supporting position 311 is arranged on the inner side of the upper part of the mounting cup 31, a supporting part 321 is arranged on the outer periphery of the upper part of the filter pocket 32 and is supported on the supporting position 311, a liquid outlet space 36 is arranged between the outer periphery of the filter pocket 32 and the inner side of the mounting cup 31, and a plurality of filter holes 320 are arranged on the filter pocket 32 and are communicated with the liquid outlet space 36, a grinding space 37 is arranged between the outer periphery of the grinding assembly 33 and the filter pocket 32, a plurality of water inlet holes 330 are arranged on the grinding assembly 33 and are communicated with the grinding space 37, and a supporting part 331 is arranged on the outer periphery of the upper part of the grinding assembly 33 and is supported on the upper side of the supporting part 321.

[0034] The coffee grinder 3 is arranged in the above manner, the filter pocket 32 and the grinding assembly 33 are supported in sequence by the mounting cup 31, so that the three parts are stably assembled. As a preferred embodiment, the supporting part 331 and the supporting part 321 are arranged with evenly distributed positioning teeth on the lower side of the periphery, a first clamping tooth 3111 is arranged on the upper side of the supporting position 311 and is clamped into any positioning tooth on the lower side of the supporting part 321, a second clamping tooth 3211 is arranged on the upper side of the supporting part 321 and is clamped into any positioning tooth on the lower side of the supporting part 331, so as to further ensure the assembly and positioning of the filter pocket 32 and the grinding assembly 33 in the mounting cup 31.

[0035] Specifically, the mounting cup 31 comprises a cup body 310 provided with an upper opening, a mounting wall 312 vertically extending outward from the upper periphery of the cup body 310, and a bearing position 311 formed between the cup body 310 and the mounting wall 312, wherein the inner diameter of the mounting wall 312 is larger than the outer diameter of the cup body 310. The filter pocket 32 is provided with an upper opening, and the bearing member 321 horizontally extends outward from the upper periphery of the filter pocket 32. The bearing member 321 is supported on the bearing position 311. The coffee processing unit 11 is provided with a positioning seat 111 vertically extending downward from the lower side of the coffee processing unit 11, and the connecting shaft is centrally arranged in the positioning seat 111 and extends downward to the coffee processing unit 11. The first sealing assembly 38 is arranged on the outer periphery of the positioning seat 111 and extends downward. The limiting block is horizontally arranged on the outer periphery of the positioning seat 111 as the mounting clamping member 121. The external structure 35 of the coffee grinder 3 comprises an L-shaped mounting guide slot 351 arranged in the mounting wall 312 of the mounting cup 31. The mounting guide slot 351 is formed in the upper end of the mounting wall 312 and has a guide slot entrance 352. When the coffee grinder 3 is assembled to the lower side of the coffee processing unit 11, the limiting block (mounting clamping member 121) is guided to enter the mounting guide slot 351 and is clamped, so that the coffee grinder 3 and the coffee processing unit 11 are tightly clamped and connected. At this time, the first sealing assembly 38 is tightly pressed between the upper end of the supporting member 331 and the inner side of the upper part of the mounting cup 31 to form a waterproof seal. Preferably, the first sealing assembly 38 is a rubber sealing ring, and the first sealing assembly 38 has a first guide inclined surface for guiding the water source to the inner side of the mounting cup 31. In the coffee grinder 3, the bearing position 311, the bearing member 321, and the supporting member 331 are sequentially arranged in the vertical direction. After the coffee grinder 3 and the coffee processing unit 11 are assembled, the tight pressing of the first sealing assembly 38 further ensures the stable assembly of the bearing position 311, the bearing member 321, and the supporting member 331.

[0036] On the other hand, the grinder assembly 33 is specifically arranged as follows:

[0037] The grinding assembly 33 comprises a mounting body 332, the lower side of which is connected with a grinding blade 333, the upper part of the mounting body 332 is provided with a water inlet groove 334, the water inlet hole 330 is located in the water inlet groove 334, and the outer periphery of the water inlet groove 334 is provided with the support 331 extending horizontally; the mounting body 332 comprises a mounting cylinder 3321 arranged in a cylindrical shape, the upper side of the mounting cylinder 3321 is provided with a surrounding wall 3322 extending vertically, and the water inlet groove 334 is arranged at the outer periphery of the surrounding wall 3322; the mounting cylinder 3321 is penetrated by a driving shaft 3331, the lower end of the driving shaft 3331 is connected with the grinding blade 333, and the upper end of the driving shaft 3331 is provided with a mounting key 3332. In the assembly application, the mounting key 3332 is positioned and sleeved with the above-mentioned mounting sleeve 221, so that the assembled coffee grinding device 3 can be driven to rotate the grinding blade 333 for grinding operation under the driving of the driving motor 21, and the grinding application of coffee beans is met.

[0038] In order to guide the water flow from the water supply end 2 to the position of the water inlet hole 330 in the coffee machine, ensure that the water source is stably and leak-proofly input into the grinding space 37 and mixed with the ground coffee powder, the lower side of the coffee processing part 11 is provided with a second sealing assembly 39 corresponding to the upper end of the surrounding wall 3322 in the coffee grinding device 3, preferably, the second sealing assembly 39 is a rubber sealing ring arranged around the upper end of the surrounding wall 3322, and the second sealing assembly 39 has a second guide inclined surface for guiding the water source to one side of the water inlet hole 330.

[0039] When the coffee grinding device 3 is assembled in the assembly position of the coffee processing part 11, the second sealing assembly 39 is pressed to the upper end of the grinding assembly 33, and the water source guided from the water supply end 2 is guided to be input into the water inlet hole 330 between the first sealing assembly 38 and the second sealing assembly 39 for water supply application, and the first sealing assembly 38 and the second sealing assembly 39 effectively prevent the introduced water source from leaking outward.

[0040] In order to facilitate the sequential assembly and removal of the grinding assembly 33 and the filter bag 32 on the mounting cup 31, a first handle is rotatably connected and arranged on the mounting body 332 (grinding assembly 33), and a second handle is rotatably connected and arranged on the filter bag 32.

[0041] In order to meet the application requirements of coffee taking and clean water taking, the coffee machine is provided with a supporting part 13 arranged for supporting a coffee pot corresponding to the lower position of the coffee processing part, and the supporting part 13 and the liquid outlet end 34 form a first placement space 14 for placing a coffee pot.

[0042] The filter module 4application includes a reverse osmosis filter device 41 provided with a cylindrical filter bottle, the cylindrical filter bottle is arranged on one side of the lower part of the casing 1 in the front-rear direction, and the front end of the cylindrical filter bottle is arranged to extend into the supporting part 13, thereby controlling the front-rear size of the water purifier to the greatest extent. The filter module 4application also includes a post-filter device 42 arranged on the upper side of the front end of the reverse osmosis filter device 41, and the post-filter device 42 is arranged in the space in the supporting part 13. A front opening door 131 is arranged on the front side of the supporting part 13, the attachment end of the reverse osmosis filter device 41 and the post-filter device 42 is arranged towards the front side, and the waterway connection end of the reverse osmosis filter device 41 and the post-filter device 42 is arranged towards the rear side, so that the user can open the front opening door 131 to complete the installation of the reverse osmosis filter device 41 and the post-filter device 42.

[0043] The coffee machineapplication also includes a booster module 8, which is preferably a cylindrical booster pump. The booster module 8 is arranged on the lower part of the casing 1 in the front-rear direction, and is arranged in parallel with the filter module 4 on the lower part of the casing 1. The first raw water input end 61, the booster module 8, and the water inlet side of the filter module 4 are in communication to form a first raw water flow channel. The reverse osmosis filter device 41 is provided with a wastewater side for wastewater discharge. The raw water tank 6 is provided with a backflow input end 62, and the wastewater side of the reverse osmosis filter device 41 and the backflow input end 62 are in communication to form a backflow flow channel. A wastewater control valve is arranged between the wastewater side of the reverse osmosis filter device 41 and the backflow input end 62.

[0044] In the application of a stand-alone coffee machine, based on the application of the raw water tank 6 and the backflow flow channel, the water purifier can be applied to reverse osmosis filtration without external connection of water source and wastewater discharge pipelines, so that the coffee machine has independent application characteristics and avoids the limitation of water source pipeline extension installation.

[0045] In order to meet the requirement of large water consumption for preparing coffee and stable water supply, and in view of the low water production of the reverse osmosis filter device 41 in the prior art, in the application of the coffee machine, a pure water tank 7 is arranged in the middle of the casing 1 along the vertical direction, the pure water tank 7 is connected to the water inlet side of the heating module 5 through a first water outlet end, and a first water pump is arranged between the first water outlet end and the water inlet side of the heating module 5; the pure water side of the filter module 4 is connected to the first output end of the pure water tank 7, the first water pump and the water inlet side of the heating module 5 to form a pure water heating flow channel. Further, in view of the large water consumption requirement for coffee production in the application of the coffee machine, the pure water tank 7 is connected to the water inlet side of the heating module 5 through a second water outlet end, a second water pump is arranged between the second water outlet end and the water inlet side of the heating module 5, and the pure water side of the filter module 4 is connected to the second output end of the pure water tank 7, the second water pump and the water inlet side of the heating module 5 to form an incremental heating flow channel. The first water pump can be a pump body with small power, which meets the water taking application of a small amount of pure water directly discharged from the water taking end under normal conditions. When preparing coffee liquid, a larger amount of water source needs to be input, so the first water pump and the second water pump can be operated simultaneously, or the second water pump with large power is selected to operate independently, so that a larger amount of water is immediately input through the heating module 5 and discharged to the water supply end 2 to mix with the ground coffee powder, then the coffee liquid is filtered and discharged.

[0046] Embodiment 2:

[0047] As another preferred structural embodiment, the coffee grinder 3 can also be independently assembled with a driving motor on the upper end of the mounting cylinder 3321 of the grinding assembly 33, which drives the grinding knife and is directly connected to the driving shaft (the driving motor has an independent driving power source or is further connected to an external power source). The driving motor is arranged in the range of the enclosing wall 3322, so that the coffee grinder 3 has an independent grinding function and can be assembled with other coffee machine designs without the driving motor 21.

[0048] The above only describes the preferred embodiments of the present application, and for those skilled in the art, the embodiments can be modified without departing from the principle of the present application, and the corresponding modification scheme should also be regarded as the protection scope of the present application.

Claims

1. Coffee grinding device, characterized in that, The coffee grinder device comprises a mounting cup, a filter pocket and a grinding assembly which are sequentially positioned from outside to inside, a liquid outlet is arranged at the lower end of the mounting cup, an external structure is arranged at the upper side of the mounting cup, a supporting position is arranged at the inner side of the upper part of the mounting cup, a supporting member is arranged at the outer periphery of the upper part of the filter pocket to support the filter pocket on the supporting position; a liquid outlet space is arranged between the outer periphery of the filter pocket and the inner side of the mounting cup, a plurality of filter holes are arranged on the filter pocket and communicate with the liquid outlet space; A grinding space is arranged between the outer periphery of the grinding assembly and the filter pocket, a plurality of water inlet holes are arranged on the grinding assembly and communicate with the grinding space, and a supporting member is arranged at the outer periphery of the upper part of the grinding assembly to support the upper side of the supporting member.

2. The coffee grinding device of claim 1, wherein The mounting cup comprises a cup body which is open at the upper side, an installation wall is vertically extended and arranged at the outer periphery of the upper side of the cup body, the diameter of the upper side of the cup body is smaller than the inner diameter of the installation wall, and the supporting position is formed at the connecting position between the cup body and the installation wall.

3. The coffee grinder of claim 2, wherein, The filter pocket is open at the upper side, the supporting member is horizontally extended and arranged at the outer periphery of the upper side opening of the filter pocket, and the supporting position, the supporting member and the supporting member are sequentially supported in the vertical direction.

4. The coffee grinder of claim 2, wherein the coffee grinder is configured to grind coffee beans to a size of about 0.1 mm to about 0.3 mm. The external structure comprises an L-shaped installation guide groove which is arranged at the inner side of the installation wall, and the installation guide groove forms a guide groove entrance at the upper end of the installation wall.

5. Coffee grinding device according to any of claims 1 to 4, characterized in that The grinding assembly comprises a mounting body, a grinding knife is connected to the lower side of the mounting body, a water inlet groove is arranged at the outer periphery of the upper part of the mounting body, the water inlet holes are located in the water inlet groove, and the supporting member is horizontally extended and arranged at the outer periphery of the water inlet groove.

6. The coffee grinder of claim 5, wherein, The mounting body comprises a cylindrical mounting cylinder, a surrounding wall is vertically extended and arranged at the upper side of the mounting cylinder, and the water inlet groove is arranged at the outer periphery of the surrounding wall; a driving shaft is inserted into the mounting cylinder, the lower end of the driving shaft is connected to the grinding knife, and the upper end of the driving shaft is provided with an installation key.

7. The coffee grinder of claim 5, wherein the coffee grinder is configured to grind coffee beans to a size of about 0.1 mm to about 0.3 mm. A first handle is rotationally connected and arranged on the mounting body, and a second handle is rotationally connected and arranged on the filter pocket; a holding handle is arranged at the outer side of the upper part of the mounting cup.

8. Coffee maker, characterized in that The coffee grinder device comprises a casing, a water supply end is arranged on the casing, and a mounting clamping member is arranged at the position of the water supply end; the mounting clamping member and the external structure are detachably connected and matched, a water path is formed between the water supply end and the water inlet holes, and the water path is in communication.

9. The coffee maker of claim 8, wherein, A first sealing assembly is arranged at the position corresponding to the inner side of the mounting cup, when the coffee grinder device is assembled at the position of the water supply end, the first sealing assembly is pressed between the upper end of the supporting member and the inner side of the upper part of the mounting cup to form a waterproof seal; A second sealing assembly is arranged at the position corresponding to the upper end of the grinding assembly, when the coffee grinder device is assembled at the position of the water supply end, the second sealing assembly is pressed against the upper end of the grinding assembly, and the water inlet holes are located between the first sealing assembly and the second sealing assembly.

10. The coffee maker of claim 9, wherein, A water supply end is arranged at the front end of one side of the casing, a water taking end is arranged at the front end of the other side of the casing, a filter module is arranged at the lower part of the casing in the front-rear direction, a pure water tank is arranged at the middle part of the casing in the vertical direction, a heating module is arranged at the front part of the casing, and a raw water tank is arranged at the rear part of the casing. The first raw water input end is communicated with the water inlet side of the filter module to form a first raw water flow channel; the pure water side of the filter module, the pure water tank and the water inlet side of the heating module are communicated to form a pure water heating flow channel; the water outlet side of the heating module and the water taking end are communicated to form a water taking flow channel; and the water outlet side of the heating module and the water supply end are communicated to form a water supply flow channel.

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