CN221279720U

CN221279720U - Ice maker

Info

Publication number: CN221279720U
Application number: CN202323283703.3U
Authority: CN
Inventors: 蒋海燕
Original assignee: Jiujia Refrigeration Lu'an Co ltd
Current assignee: Jiujia Refrigeration Lu'an Co ltd
Filing date: 2023-11-29
Publication date: 2024-07-05
Anticipated expiration: 2033-11-29

Abstract

The utility model discloses an ice machine, which comprises an ice machine main body, an ice making assembly, an ice receiving box and a water pump, wherein one side, far away from a user, of the top of the ice machine main body is recessed downwards to form a containing cavity, and the top of the ice machine main body is provided with an inserting port; the first connector is arranged at the bottom of the accommodating cavity and is communicated with the ice receiving box through a pipeline; the water storage box can be movably inserted into the accommodating cavity through the insertion opening; the second connector is arranged at the bottom of the water storage box and is communicated with the inner cavity of the water storage box, and when the water storage box is inserted into the accommodating cavity, the second connector is communicated with the first connector so that the water storage box supplies water to the ice receiving box. The ice maker enables the water storage tank to be convenient to detach and clean, and is simple and convenient to install.

Description

Ice maker

Technical Field

The application relates to the technical field of ice machines, in particular to an ice machine.

Background

The ice maker is a refrigerating device for generating ice after water is cooled by the refrigerating system through the evaporator, and ice cubes prepared by the ice maker can be stored in the ice maker to wait for users to take, so that the ice maker is widely applied to cold drink shops, cafes, ordinary families and the like. The related art ice maker generally comprises a housing, a compressor, a condenser, an evaporator, a water tank, an ice making box, a water pump and the like, wherein the compressor, the condenser, the evaporator, the water tank, the water pump and the like are connected in the housing, the water in the water tank is led into the ice making box, after the evaporator is used for making ice and removing ice, ice is collected by an ice receiving basket in the water tank, water in the ice making box or water for melting ice flows back to the water tank to be collected in the whole ice making process or after the ice making process is completed, and the water in the water tank is pumped into the ice making box by the water pump to make ice, and the ice making process is repeated. The water in the water tank of the ice machine is slowly reduced after ice is made for many times, so that a user is required to add water in time, otherwise, the normal operation of the ice machine is affected; in order to increase the ice making amount of the ice maker, a spare water storage tank is arranged on the ice maker, the water storage tank is communicated with the water tank of the ice maker through a pipeline and a valve, and when the water level in the water tank of the ice maker is low, water is replenished, but the water storage tank is generally fixedly connected in the shell.

The ice maker of the related art has the following drawbacks in actual use: because the water storage tank is fixedly arranged in the shell, the whole ice maker needs to be moved when water is added, and the operation is very inconvenient; in addition, when the scale on the inner wall of the water storage tank is cleaned, a professional maintenance personnel is required to disassemble the shell, the water storage tank is taken out by a tool to clean, and the operation is troublesome and time-consuming; and the installation after cleaning is very inconvenient.

Disclosure of utility model

The application aims to overcome the defects of the related art and provide the ice machine which can enable the water storage tank to be conveniently detached and cleaned and is simple and convenient to install.

The technical solution of the application is to provide an ice maker with the following structure: it comprises

The ice maker comprises an ice maker main body, wherein an ice making assembly, an ice receiving box and a water pump for sucking the water pump in the ice receiving box to the ice making assembly for making ice are connected in the ice maker main body, one side, far away from a user, of the top of the ice maker main body is recessed downwards to form a containing cavity, and the top of the ice maker main body is provided with an inserting port;

The first connector is arranged at the bottom of the accommodating cavity and is communicated with the ice box through a pipeline; the shape of the water storage box is matched with the accommodating cavity, and the water storage box can be movably inserted into the accommodating cavity through the insertion opening;

The second connector is installed at the bottom of the water storage box and is communicated with the inner cavity of the water storage box, and when the water storage box is inserted into the accommodating cavity, the second connector is communicated with the first connector so that the water storage box supplies water for the ice receiving box.

In some embodiments, a guiding part extending in the vertical direction and protruding outwards is arranged on the side wall of the accommodating cavity, a guiding groove which is concave and is matched with the guiding part in a plugging manner is arranged on the inner wall of the water storage box, and the lower end of the guiding groove penetrates through the bottom of the water storage box.

In some embodiments, two sides of the guiding part are provided with clamping plates which are outwards protruded and extend along the length direction of the guiding part; and clamping grooves matched with the clamping plates are formed in the two inner side walls of the guide grooves.

In some embodiments, the clamping plate is a wedge-shaped clamping plate with a thin upper end and a thick lower end, and the clamping groove is a wedge-shaped clamping groove with a wide lower end and a narrow upper end.

In some embodiments, a solenoid valve capable of controlling on-off of the pipeline is connected to the pipeline, wherein the pipeline is communicated with the ice receiving box, and the first connector is connected to the pipeline.

In some embodiments, a handle is rotatably connected to the top of the water storage box.

In some embodiments, the insertion opening is movably connected with a cover plate which is covered on the top of the water storage box.

In some embodiments, a boss extending into the accommodating cavity is arranged at the bottom of the accommodating cavity, a central through hole is formed in the center of the boss, the inner wall of the boss extends downwards to form a mounting part with an open lower end, and the first connecting head is connected with the mounting part; the bottom of the water storage box is provided with a concave cavity which is concave and is used for the boss to be inserted, the bottom wall of the concave cavity is connected with an insertion part which is hollow and extends downwards and can be inserted with the central through hole in a matched mode, and the central hole of the insertion part is connected with the second connector.

In some embodiments, the first connector comprises a valve housing connected to the mounting part, a first valve rod is slidably matched in the valve housing along the vertical direction, a first valve core capable of opening or closing the central through hole is connected to the first valve rod, and the upper end of the first valve rod is arranged in the central through hole; the first valve rod is sleeved with a first elastic piece, and the first elastic piece is used for enabling the first valve core to always have a movement trend of closing the central through hole; the second connector comprises a second valve rod which is in sliding fit in a central hole of the insertion part along the vertical direction, the upper end of the second valve rod is connected with a second valve core which can open or close the central hole, a second elastic piece is sleeved on the second valve rod, and the second elastic piece is used for enabling the second valve core to always have a movement trend of closing the central hole; the stiffness coefficient of the first elastic piece is larger than that of the second elastic piece, when the water storage box is inserted into the accommodating cavity, the lower end of the second valve rod is propped against the upper end of the first valve rod, the second valve core opens the central hole, and the first valve core opens the central through hole; when the water storage box is separated from the accommodating cavity, the second valve core closes the central hole, and the first valve core closes the central through hole.

In some embodiments, an annular limiting step is arranged on the inner wall of the central through hole, an annular sealing body is connected in the central through hole, the sealing body is provided with a sealing part sleeved on the annular limiting step, a sealing structure which is propped against the first valve core to seal is formed at the bottom of the sealing part, and the sealing structure comprises at least one convex annular sealing ring.

In summary, compared with the related art, the ice maker of the application has the following advantages: the water storage box of the ice machine can be movably inserted into the accommodating cavity through the insertion opening, and after the water storage box is inserted, the second connector of the water storage box is connected and communicated with the first connector at the bottom of the accommodating cavity, so that the water storage box can supply water to the ice receiving box; when the water level in the ice receiving box is too low, the water storage box can supplement the water quantity in the ice receiving box, so that the ice making quantity is improved. When the water storage box is filled with water, the water storage box can be taken out for water injection, so that the whole movement of the ice maker is avoided, the water storage box is directly inserted into the accommodating cavity through the insertion opening after the water storage box is filled with water, and the operation is very simple and convenient; in addition, when the water storage box is cleaned, the water storage box is directly taken out for cleaning, the shell is not required to be disassembled, and the operation is very simple, convenient and labor-saving. Furthermore, the top of the ice maker main body of the accommodating cavity is provided with an inserting port, so that the water storage box can be vertically installed or detached, and the convenience of user operation is further improved.

Drawings

Fig. 1 is a schematic diagram of an ice maker according to some embodiments of the present application.

Fig. 2 is another angular schematic of an ice maker according to some embodiments of the present application.

Fig. 3 is a schematic view of an internal structure of an ice maker according to some embodiments of the present application.

Fig. 4 is a schematic cross-sectional view of an ice maker according to some embodiments of the present application.

Fig. 5 is an enlarged schematic view of the portion a in fig. 4.

Fig. 6 is a schematic cross-sectional structure of a water storage cartridge of an ice maker according to some embodiments of the present application.

Fig. 7 is a schematic cross-sectional structural view of a receiving chamber of an ice maker according to some embodiments of the present application.

Fig. 8 is a schematic structural view of a water storage cartridge of an ice maker according to some embodiments of the present application.

Fig. 9 is a schematic diagram of an assembled structure of an ice maker according to some embodiments of the present application.

Fig. 10 is another angular structural schematic view of a water storage cartridge of an ice-making machine according to some embodiments of the present application.

As shown in the figure:

1. The ice maker comprises an ice maker main body, 100, a containing cavity, 101, an inserting port, 102, a cover plate, 103, a boss, 104, a central through hole, 105, an annular limiting step, 106, a guide part, 107, a clamping plate, 2, an ice receiving box, 3, a water storage box, 300, a handle, 301, a guide groove, 302, a clamping groove, 303, a concave cavity, 304, an inserting part, 305, a central hole, 4, a first connecting head, 400, a valve casing, 401, a first valve rod, 402, a first valve core, 403, a first elastic piece, 404, a sealing body, 405, a sealing part, 406, an annular sealing ring, 5, a second connecting head, 500, a second valve rod, 501, a second valve core, 502, a second elastic piece, 6, a water pump, 7, an electromagnetic valve, 8, a compressor, 9, a condenser, 10 and an ice making assembly.

Detailed Description

First, it should be understood by those skilled in the art that these embodiments are merely for explaining 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 adapt it as desired to suit a particular application.

In describing embodiments of the present application, it should be noted that, unless explicitly stated and limited otherwise, the terms "coupled," "coupled," and "connected" should be construed broadly, and may be either a fixed connection, a removable connection, or an integral connection, for example; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium. The specific meaning of the above terms in embodiments of the present application will be understood in detail by those of ordinary skill in the art.

In embodiments of the application, unless expressly specified and limited otherwise, a first feature "up" or "down" on a second feature may be that the first and second features are in direct contact, or that the first and second features are in indirect contact via an intervening medium. Moreover, a first feature being "above," "over" and "on" a second feature may be a first feature being directly above or obliquely above the second feature, or simply indicating that the first feature is level higher than the second feature. The first feature being "under", "below" and "beneath" the second feature may be the first feature being directly under or obliquely below the second feature, or simply indicating that the first feature is less level than the second feature.

The application will be described in further detail with reference to the drawings and the specific examples.

See fig. 1-10; the embodiment of the application discloses an ice maker, which structurally comprises an ice maker main body 1, wherein an ice making assembly 10, an ice receiving box 2 and a water pump 6 for sucking a water pump 6 in the ice receiving box 2 to the ice making assembly 10 are connected in the ice maker main body 1, in the embodiment, the ice making assembly 10 comprises a compressor 8, a condenser 9, an evaporator, a capillary tube, an electromagnetic control valve and the like, the evaporator can be a bullet-type evaporator or a water curtain square evaporator, the compressor 8 and the condenser 9 are arranged at one side of the bottom of the ice maker main body 1 far away from a user, the ice receiving box 2 is arranged at one side below the evaporator close to the user, an ice receiving basket is arranged in the ice receiving box 2, the ice receiving basket has a draining function, the manufactured ice is positioned in the ice receiving basket, and the drained water is stored at the bottom of the ice receiving box 2 for repeated ice making. In this embodiment, the icemaker main body 1 further includes a controller and a control panel provided on the top or front of the icemaker main body 1; the ice making, de-icing and ice receiving of the ice maker main body 1 are structures of a conventional ice maker of the related art, and the present embodiment will not be described in detail.

In the present embodiment, as shown in fig. 2, 8 to 10, a side of the top of the ice maker main body 1 away from the user is recessed downward to form a receiving chamber 100, and the receiving chamber 100 is formed with an insertion port 101 at the top of the ice maker main body 1; in the present embodiment, the accommodation chamber 100 penetrates the back surface of the icemaker main body 1; the first connector 4 is arranged at the bottom of the accommodating cavity 100, and the first connector 4 is communicated with the ice bank 2 through a pipeline; the pipeline which is communicated with the ice receiving box 2 by the first connector 4 is connected with an electromagnetic valve 7 which can control the on-off of the pipeline; the ice machine also comprises a water storage box 3, wherein the shape of the water storage box 3 is matched with the accommodating cavity 100, and the water storage box 3 can be movably inserted into the accommodating cavity 100 through an insertion port 101; the second connector 5 is installed to the bottom of water storage box 3, and second connector 5 is linked together with water storage box 3 inner chamber, and when water storage box 3 pegged graft in holding chamber 100, second connector 5 and first connector 4 switch on in order to make water storage box 3 give ice receiving box 2 water supply. Specifically, when the water level in the ice-receiving case 2 is detected to be low, the electromagnetic valve 7 controls the pipeline to be opened so that the water storage case 3 supplies water to the ice-receiving case 2; when the water level in the ice receiving box is detected to reach the preset water level, the electromagnetic valve 7 controls the pipeline to be closed, so that the water storage box 3 stops supplying water to the ice receiving box 2.

In this embodiment, the side close to the user generally refers to the side on which the user stands right in front of the ice maker to operate the ice maker, or the front side of the ice maker; conversely, the side remote from the user generally refers to the back side of the ice maker or the side opposite the front side of the ice maker.

In this embodiment, the water storage box 3 of the ice maker can be movably inserted into the accommodating cavity 100 through the insertion port 101, and after the insertion, the second connector 5 of the water storage box 3 is connected and conducted with the first connector 4 at the bottom of the accommodating cavity 100, so that the water storage box 3 can supply water to the ice receiving box 2; when the water level in the ice bank 2 is too low, the water storage tank 3 can supplement the water amount in the ice bank 2, thereby increasing the ice making amount. When the water storage box 3 is filled with water, the water storage box 3 can be taken out to fill water, so that the whole movement of the ice maker is avoided, and when the water storage box 3 is filled with water, the water storage box 3 is directly inserted into the accommodating cavity 100 through the insertion port 101, and the operation is very simple and convenient; in addition, when the water storage box 3 is cleaned, the water storage box 3 is directly taken out for cleaning, the casing is not required to be disassembled, and the operation is very simple, convenient and labor-saving. Furthermore, the receiving chamber 100 is formed with an insertion port 101 at the top of the icemaker main body 1, so that the water storage box 3 can be vertically installed or removed, further improving the convenience of user operation.

It will be appreciated that the first connector 4 can close the line supplying water to the ice bank 2 in a conventional state; similarly, the second connector 5 can normally close the water supply port of the water storage box 3.

Further in this embodiment, as shown in fig. 8 to 10, in order to facilitate the installation of the water storage box 3, a guiding portion 106 extending in the vertical direction and protruding outwards is provided on the side wall of the accommodating cavity 100, a guiding groove 301 recessed inwards and inserted with the guiding portion 106 is provided on the inner wall of the water storage box 3, and the lower end of the guiding groove 301 penetrates through the bottom of the water storage box 3. Therefore, when the water storage box 3 is installed, only the lower end of the guide groove 301 of the water storage box 3 is aligned with the upper end of the guide part 106 and is vertically inserted and removed, so that the installation is very simple and convenient. In order to make the water storage box 3 and the accommodating cavity 100 of the ice maker main body 1 more compact and not easy to shake, two sides of the guide part 106 are provided with clamping plates 107 which are convex and extend along the length direction of the guide part 106; and clamping grooves 302 which are matched and clamped with the clamping plates 107 are formed in the two inner side walls of the guide groove 301. While the guide groove 301 of the water storage box 3 is downwards inserted along the guide part 106, the clamping plates 107 on the guide part 106 are clamped in the clamping grooves 302 on two sides of the guide groove 301, so that the connection between the water storage box 3 and the accommodating cavity 100 is more stable.

In some embodiments, in order to further improve the compactness of the fit between the water storage box 3 and the accommodating cavity 100, the connection of the water storage box 3 is more stable, and meanwhile, the plugging and installation of the water storage box 3 are also facilitated, the clamping plate 107 is set to be a wedge-shaped clamping plate 107 with a thin upper end and a thick lower end, and the clamping groove 302 is set to be a wedge-shaped clamping groove 302 with a wide lower end and a narrow upper end, so that the connection between the water storage box 3 and the accommodating cavity 100 is more stable under the gravity action of the water storage box 3.

In some embodiments, as shown in fig. 8, in order to facilitate the removal of the water storage box 3 or the taking of the water storage box 3, a handle 300 is rotatably connected to the top of the water storage box 3. When the water storage box 3 is installed in the accommodating cavity 100, the handle 300 can be rotated into the water storage box 3 without occupying the space above the water storage box 3; in this embodiment, a step is provided at the insertion port 101 of the accommodating cavity 100, a cover plate 102 is movably connected to the step and covers the top of the water storage box 3, and after the cover plate 102 is connected, the top of the cover plate 102 is flush with the top of the ice maker main body 1, so as to prevent foreign matters from falling into the water storage box 3.

In some embodiments, in order to make the second connector 5 of the water storage box 3 and the first connector 4 of the accommodating cavity 100 be better matched and conducted, as shown in fig. 4 to 7, a boss 103 extending into the accommodating cavity 100 is arranged at the bottom of the accommodating cavity 100, a central through hole 104 is arranged at the center of the boss 103, the inner wall of the boss 103 extends downwards to form an installation part with an open lower end, and the first connector 4 is connected with the installation part; the bottom of the water storage box 3 is provided with a concave cavity 303 which is concave and is inserted by the boss 103, the bottom wall of the concave cavity 303 is connected with an insertion part 304 which is hollow and extends downwards and can be matched and inserted with the central through hole 104, and the central hole 305 of the insertion part 304 is internally connected with the second connector 5. After the water storage box 3 is inserted into the accommodating cavity 100, the boss 103 at the bottom of the accommodating cavity 100 is inserted into the concave cavity 303 at the bottom of the water storage box 3, and further, the surface of the boss 103 and the inner wall of the concave cavity 303 are in conical surface fit to play a good role in positioning and sealing.

As described above, the first connector 4 can close the central through hole 104 in the center of the boss 103 in a normal state, and the second connector 5 can close the central hole 305 of the water storage box 3 in a normal state. In other embodiments, the connection structure between the first connector 4 and the second connector 5 may be a connection structure between a drinking machine and a barreled water as in the prior art.

In this embodiment, as shown in fig. 4 to 7 again, the first connector 4 includes a valve housing 400 connected to the mounting portion, a first valve rod 401 is slidably fitted in the valve housing 400 in a vertical direction, a first valve core 402 capable of opening or closing the central through hole 104 is connected to the first valve rod 401, and an upper end of the first valve rod 401 is disposed in the central through hole 104; the first valve rod 401 is sleeved with a first elastic piece 403, and the first elastic piece 403 is used for enabling the first valve core 402 to always have a movement trend of closing the central through hole 104; the second connector 5 comprises a second valve rod 500 which is in sliding fit in the central hole 305 of the insertion part 304 along the vertical direction, the upper end of the second valve rod 500 is connected with a second valve core 501 which can open or close the central hole 305, the second valve rod 500 is sleeved with a second elastic piece 502, and the second elastic piece 502 is used for enabling the second valve core 501 to always have a movement trend of closing the central hole 305; the stiffness coefficient of the first elastic member 403 is greater than that of the second elastic member 502, when the water storage box 3 is inserted into the accommodating cavity 100, the lower end of the second valve rod 500 abuts against the upper end of the first valve rod 401, so that the second valve core 501 opens the central hole 305, and the first valve core 402 opens the central through hole 104; when the water storage cartridge 3 is disengaged from the receiving chamber 100, the second valve cartridge 501 closes the central hole 305, and the first valve cartridge 402 closes the central through hole 104.

As can be seen from the above embodiments, the first valve rod 401 closes the central through hole 104 by the first valve core 402 under the elastic force of the first elastic member 403; and the second valve rod 500 closes the central hole 305 by the second valve core 501 under the elastic force of the second elastic member 502; because the stiffness coefficient of the first elastic member 403 is greater than that of the second elastic member 502; when the water storage box 3 is inserted into the accommodating cavity 100, the lower end of the second valve rod 500 pushes the upper end of the first valve rod 401, so that the second elastic piece 502 is elastically deformed first, the second valve core 501 opens the central hole 305, and when the second elastic piece 502 is elastically deformed by a certain amount, the first elastic piece 403 is elastically deformed, so that the first valve core 402 opens the central through hole 104, and thus the central hole 305 on the water storage box 3 is communicated with the central through hole 104 in the accommodating cavity 100. Similarly, when the water storage box 3 is separated from the accommodating cavity 100, the second elastic member 502 and the first elastic member 403 are restored in sequence, so that the central hole 305 and the central through hole 104 are closed.

In some embodiments, as shown in fig. 7, in order to make the second connector 5 of the water storage box 3 and the first connector 4 of the receiving cavity 100 have better tightness when being conducted, and prevent overflow; an annular limiting step 105 is arranged on the inner wall of the central through hole 104 of the accommodating cavity 100, an annular sealing body 404 made of silica gel or rubber is connected in the central through hole 104, and a plurality of sealing ring sheets axially distributed along the inner hole of the sealing body 404 are arranged in the sealing body 404; the sealing body 404 has a sealing portion 405 sleeved on the annular limiting step 105, and a sealing structure that seals against the first valve core 402 is formed at the bottom of the sealing portion 405, and the sealing structure includes at least one outwardly protruding annular sealing ring 406.

In the description of the embodiments of the present application, it should be noted that, in the description of the present application, terms such as "inner", "outer", and the like, refer to directions or positional relationships based on the directions or positional relationships shown in the drawings, which are merely for convenience of description, and do not indicate or imply that the apparatus or components must have a specific orientation, be constructed and operated in a specific orientation, and thus are not to be construed as limiting the present application.

In the description of the present application, the descriptions of the terms "one embodiment," "some embodiments," "in this embodiment," "specific examples," or "some examples," etc., mean that a particular feature, mechanism, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the present application. In this specification, schematic representations of the above terms are not necessarily directed to the same embodiment or example. Furthermore, the particular features, mechanisms, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples. Furthermore, the different embodiments or examples described in this specification and the features of the different embodiments or examples may be combined and combined by those skilled in the art without contradiction.

The foregoing is merely illustrative of the present application, and the present application is not limited thereto, and any changes or substitutions easily contemplated by those skilled in the art within the scope of the present application should be included in the present application. Therefore, the protection scope of the application is subject to the protection scope of the claims.

Claims

1. An ice making machine, characterized in that: it comprises

The first connector is arranged at the bottom of the accommodating cavity and is communicated with the ice box through a pipeline;

the shape of the water storage box is matched with the accommodating cavity, and the water storage box can be movably inserted into the accommodating cavity through the insertion opening;

2. The ice-making machine of claim 1, wherein: the side wall of the accommodating cavity is provided with a guide part extending in the vertical direction and protruding outwards, the inner wall of the water storage box is provided with a guide groove which is concave and is matched with the guide part in a plugging manner, and the lower end of the guide groove penetrates through the bottom of the water storage box.

3. The ice-making machine of claim 2, wherein: both sides of the guide part are provided with clamping plates which are outwards protruded and extend along the length direction of the guide part; and clamping grooves matched with the clamping plates are formed in the two inner side walls of the guide grooves.

4. The ice-making machine of claim 3, wherein: the clamping plate is a wedge-shaped clamping plate with a thin upper end and a thick lower end, and the clamping groove is a wedge-shaped clamping groove with a wide lower end and a narrow upper end.

5. The ice-making machine of claim 1, wherein: the first connector is connected with a solenoid valve capable of controlling on-off of the pipeline on the pipeline communicated with the ice receiving box.

6. The ice-making machine according to any one of claims 1-5, wherein: the top of the water storage box is rotatably connected with a handle.

7. The ice-making machine of claim 6, wherein: the insertion opening is movably connected with a cover plate which is covered on the top of the water storage box.

8. The ice-making machine of claim 1, wherein: the bottom of the accommodating cavity is provided with a boss extending into the accommodating cavity, the center of the boss is provided with a central through hole, the inner wall of the boss extends downwards to form an installation part with an open lower end, and the first connecting head is connected with the installation part; the bottom of the water storage box is provided with a concave cavity which is concave and is used for the boss to be inserted, the bottom wall of the concave cavity is connected with an insertion part which is hollow and extends downwards and can be inserted with the central through hole in a matched mode, and the central hole of the insertion part is connected with the second connector.

9. The ice-making machine of claim 8, wherein: the first connector comprises a valve casing connected to the mounting part, a first valve rod is slidably matched in the valve casing along the vertical direction, a first valve core capable of opening or closing the central through hole is connected to the first valve rod, and the upper end of the first valve rod is arranged in the central through hole; the first valve rod is sleeved with a first elastic piece, and the first elastic piece is used for enabling the first valve core to always have a movement trend of closing the central through hole; the second connector comprises a second valve rod which is in sliding fit in a central hole of the insertion part along the vertical direction, the upper end of the second valve rod is connected with a second valve core which can open or close the central hole, a second elastic piece is sleeved on the second valve rod, and the second elastic piece is used for enabling the second valve core to always have a movement trend of closing the central hole; the stiffness coefficient of the first elastic piece is larger than that of the second elastic piece, when the water storage box is inserted into the accommodating cavity, the lower end of the second valve rod is propped against the upper end of the first valve rod, the second valve core opens the central hole, and the first valve core opens the central through hole; when the water storage box is separated from the accommodating cavity, the second valve core closes the central hole, and the first valve core closes the central through hole.

10. The ice-making machine of claim 9, wherein: the inner wall of the central through hole is provided with an annular limiting step, the central through hole is internally connected with an annular sealing body, the sealing body is provided with a sealing part sleeved on the annular limiting step, the bottom of the sealing part forms a sealing structure which is propped against the first valve core to seal, and the sealing structure comprises at least one convex annular sealing ring.