CN217686101U - A kind of refrigerator - Google Patents

Abstract

The utility model relates to the technical field of refrigeration, and discloses a refrigerator, which comprises a refrigerator body, an ice maker component and a water injection module; a freezing chamber is limited in the first inner container of the box body; the ice maker assembly is arranged in the freezing chamber; the water injection module comprises a conduit assembly, a sleeve assembly and a water injection pipe; the first end of the conduit assembly is arranged on the inner side wall of the first inner container facing the second inner container in a penetrating way and is communicated with the water receiving piece, and the second end of the conduit assembly is arranged on the rear side wall of the shell in a penetrating way; the sleeve assembly penetrates through the catheter assembly and comprises a metal tube and a heating element attached to the outer wall of the metal tube; the first end of the water injection pipe is arranged in the metal pipe in a penetrating way, and the second end of the water injection pipe is communicated with an external water source. This application sets up the ice machine subassembly in the freezer, has simplified the water supply pipeline of automatic ice machine, has dodged evaporimeter and the wind channel part that is located freezing inner bag back, and effectively prevents that the water supply pipeline is inside because of receiving the ice stifled appearance ice that freezes.

Description

A kind of refrigerator

Technical Field

The utility model relates to a refrigeration technology field especially relates to a refrigerator.

Background

The partial side-by-side refrigerator in the market is provided with an automatic ice maker to realize the function of making ice.

The automatic ice maker is generally arranged on a freezing door body, and the problem that the production cost of products is high, the production is inconvenient and the occupied volume is too large is caused by the excessively thick layer of the door body due to the arrangement mode. In addition, for the side-by-side combination refrigerator, the water supply pipeline of the automatic ice maker is designed more complicated, the production difficulty is increased, and the water injection pipe is easy to have ice blockage to cause water injection failure.

Thus, improvements in the prior art are needed.

SUMMERY OF THE UTILITY MODEL

The utility model aims at: the utility model provides a refrigerator to solve prior art's side by side combination refrigerator and cause the door body bubble layer too thick, product manufacturing cost is high, the production is not convenient scheduling problem with automatic ice machine setting on freezing the door body, and the water supply line design of automatic ice machine is comparatively complicated, the water injection pipe technical problem that the ice is stifled appears easily.

In order to achieve the above object, the present invention provides a refrigerator, including:

the box body comprises a shell, a first inner container and a second inner container; the first inner container and the second inner container are both arranged in the shell and are transversely arranged, a freezing chamber is limited in the first inner container, and a refrigerating chamber is limited in the second inner container;

the ice maker assembly is arranged in the freezing chamber and comprises a water receiving piece;

a water injection module comprising a conduit assembly, a sleeve assembly, and a water injection tube;

the first end of the conduit assembly penetrates through the inner side wall of the first inner container facing the second inner container and is communicated with the water receiving piece, and the second end of the conduit assembly penetrates through the rear side wall of the shell;

the sleeve assembly penetrates through the catheter assembly and comprises a metal pipe and a heating element attached to the outer wall of the metal pipe;

the first end of the water injection pipe is arranged in the metal pipe in a penetrating mode, and the second end of the water injection pipe is communicated with an external water source.

In some embodiments of the present application, the catheter assembly comprises an elongated catheter, a first mounting box, and a water injection box;

the first mounting box is connected with the inner side wall of the first inner container, a first accommodating cavity is arranged in the first mounting box, and the first accommodating cavity is communicated with the first end of the long catheter;

the water injection box is arranged in the first accommodating cavity, and a water inlet is formed in the side wall of the water injection box facing the long catheter and used for the sleeve assembly to penetrate through; and a water outlet is formed in the side wall, facing the inner side wall of the first inner container, of the water injection box, and the water outlet penetrates through the inner side wall of the first inner container and is communicated with the water receiving piece.

In some embodiments of the present application, the sleeve assembly further comprises a water conduit;

the water guide rubber tube is arranged in the water inlet in a penetrating way, and the outer wall of the water guide rubber tube is attached to the inner wall of the water inlet;

the first end of the water guide rubber pipe extends towards the water outlet, and the second end of the water guide rubber pipe is sleeved at the first end of the metal pipe.

In some embodiments of the present application, an outer wall of the first end of the metal pipe is provided with a first positioning portion, and an inner wall of the second end of the water guide rubber pipe is provided with a second positioning portion used for being matched with the first positioning portion.

In some embodiments of the present application, a water guiding inclined plane is disposed inside the water injection box, and a lowest point of the water guiding inclined plane is a position where the water outlet is located.

In some embodiments of the present application, the cannula assembly further comprises a sealing sponge;

the metal pipe stretches into in the long pipe, sealed sponge cover is located the outer wall of metal pipe and parcel the heating member, the outer wall of sealed sponge with the inner wall of long pipe is laminated mutually, makes the metal pipe with do not have the clearance between the long pipe.

In some embodiments of the present application, the cannula assembly further comprises a sealant sleeve;

the sealing rubber sleeve is sleeved at the second end of the metal pipe, the sealing rubber sleeve is far away from the end face of the metal pipe and is provided with a pipe inlet hole, the pipe inlet hole is used for allowing the first end of the water injection pipe to penetrate, and the inner wall of the pipe inlet hole is attached to the outer wall of the water injection pipe.

In some embodiments of the present application, the cannula assembly further comprises a connection tube and a connection seat;

the second end of the metal pipe is provided with a slot, the outer wall of the first end of the connecting pipe is provided with a convex part matched with the slot, so that the first end of the connecting pipe is inserted into the second end of the metal pipe, and the sealing rubber sleeve is sleeved at the second end of the connecting pipe; the outer wall of the connecting pipe is also provided with a buckle;

the connecting seat is provided with the lumen, the inside protruding circle that is provided with of second end of lumen, the lumen still be provided with buckle complex draw-in groove makes the connecting seat with the connecting pipe forms the joint, and will sealed gum cover lid close in the lumen, protruding circle will sealed gum cover support in the second end of connecting pipe.

In some embodiments of the present application, the catheter assembly further comprises a second mounting cartridge;

the second mounting box penetrates through the rear side wall of the shell, and a second accommodating cavity is formed in the second mounting box;

the connecting seat is arranged in the second accommodating cavity, and the connecting seat partially extends into the long guide pipe; the tube cavity of the connecting seat is communicated with the second accommodating cavity, and the water injection tube extends into the tube cavity from the second accommodating cavity.

In some embodiments of the present application, the catheter assembly further comprises a retention fixture;

the inner side wall of the first inner container is provided with an installation positioning part, the limiting fixing part is arranged on the outer wall of the long catheter, and the limiting fixing part is used for being matched with the installation positioning part to limit the installation position of the catheter component.

The embodiment of the utility model provides a refrigerator compares with prior art, and its beneficial effect lies in:

the refrigerator provided by the embodiment of the utility model has the advantages that the ice maker component is arranged in the freezing chamber, so that the problems of high production cost, inconvenient production and large occupied volume of the product caused by over-thickness of the foam layer of the door body are avoided; moreover, based on the position of the ice maker assembly, a water supply pipeline of the ice maker is designed to penetrate through the back surface of the box body, and penetrate into the freezing inner containers from the space between the two inner containers, so that the structure of the water supply pipeline is greatly simplified, an evaporator and an air channel part which are positioned on the back part of the freezing inner containers are avoided, the reasonability and the reliability of pipeline arrangement are improved, the production difficulty is reduced, and the product competitiveness is improved; in addition, the heating structure is reasonably arranged in the water supply pipeline, so that the ice blockage caused by the icing of the inside of the water supply pipeline due to the cold is prevented, the water injection process is influenced, and the normal operation of the ice machine is effectively ensured.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings required for the embodiments or the prior art descriptions will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings without creative efforts.

Fig. 1 is a schematic front structural view of a refrigerator according to an embodiment of the present invention;

fig. 2 is a schematic view of a back structure of a refrigerator according to an embodiment of the present invention;

FIG. 3 is a schematic structural view of the first liner and the water injection module;

FIG. 4 is a schematic structural view of a water injection module and ice maker assembly;

FIG. 5 is an exploded view of the water injection module;

FIG. 6 is a schematic view of an exploded configuration of a sleeve assembly;

FIG. 7 is an enlarged view at B in FIG. 6;

FIG. 8 is a schematic view of a sleeve assembly;

FIG. 9 is a cross-sectional view taken at C-C of FIG. 8;

FIG. 10 is an enlarged view at D of FIG. 9;

FIG. 11 is a schematic structural diagram of a water guide hose;

FIG. 12 is a schematic view of the connecting socket;

FIG. 13 is a schematic view of a catheter assembly;

FIG. 14 is a schematic view showing an assembled structure of the water guide hose and the water injection cartridge;

fig. 15 is an enlarged view at a in fig. 3.

Detailed Description

The technical solutions in the embodiments of the present application will be described clearly and completely with reference to the drawings in the embodiments of the present application, and it is obvious that the described embodiments are only some embodiments of the present application, and not all embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present application.

In the description of the present application, it is to be understood that the terms "center", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience in describing the present application and simplifying the description, but do not indicate or imply that the referred device or element must have a particular orientation, be constructed in a particular orientation, and be operated, and thus should not be construed as limiting the present application.

In the description of the present application, it is to be understood that the terms "first", "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implying any number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present application, "a plurality" means two or more unless otherwise specified.

In the description of the present application, it should be noted that, unless otherwise explicitly stated or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, a fixed connection, a detachable connection, or an integral connection; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present application can be understood by those of ordinary skill in the art as appropriate.

As shown in fig. 1 to 15, a refrigerator according to a preferred embodiment of the present invention mainly includes a cabinet 100, an ice maker assembly 200, and a water injection module 300.

Referring to fig. 1 to 3, the container body 100 includes a casing 130, a first inner container 110, and a second inner container 120. The first inner container 110 and the second inner container 120 are both disposed in the outer case 130, the first inner container 110 and the second inner container 120 are arranged in a transverse direction, a freezing chamber is defined in the first inner container 110, and a refrigerating chamber is defined in the second inner container 120.

The ice maker assembly 200 is disposed in the freezing chamber, the ice maker assembly 200 includes a water receiving member 210, and the water receiving member 210 is preferably a water receiving funnel and is used for injecting water into the ice cube tray 220. The specific structural components and the working principle of the ice maker assembly 200 are the prior art, and are not described in detail in the present application, and the improvement of the present application is only closely connected with the water receiving piece 210 in the ice maker assembly 200, so that only the water receiving piece 210 is mentioned below.

Referring to fig. 4-14, the water injection module 300 includes a conduit assembly 310, a sleeve assembly 320, and a water injection tube 330.

A first end of the duct assembly 310 is disposed through the inner sidewall 111 of the first inner container 110 facing the second inner container 120 and is communicated with the water receiving member 210, and a second end of the duct assembly 310 is disposed through the rear sidewall 131 of the housing 130.

The sleeve assembly 320 is disposed through the catheter assembly 310, the sleeve assembly 320 includes a metal tube 321 and a heating element 322 attached to an outer wall of the metal tube 321, and the heating element 322 is configured to supply heat to the metal tube 321.

A first end of the water injection pipe 330 is inserted into the metal pipe 321, and a second end of the water injection pipe 330 is communicated with an external water source, so that the external water source sequentially passes through the water injection pipe 330, the sleeve assembly 320, and the conduit assembly 310 and is injected into the water receiving part 210, and then is injected into the ice cube tray.

The utility model discloses a refrigerator still includes refrigerating system, and refrigerating system in single system refrigerator mainly includes compressor, condenser, prevents condensing pipe, drier-filter, capillary, evaporimeter and vapour and liquid separator. The working process of the refrigeration system comprises a compression process, a condensation process, a throttling process and an evaporation process. Wherein, the compression process is as follows: the power cord of the refrigerator is plugged, and under the condition that the contact of the temperature controller is connected, the compressor starts to work, the low-temperature and low-pressure refrigerant is sucked by the compressor, and is compressed into high-temperature and high-pressure superheated gas in the cylinder of the compressor and then is discharged into the condenser; the condensation process is as follows: the high-temperature and high-pressure refrigerant gas is radiated by the condenser, the temperature is continuously reduced, the refrigerant gas is gradually cooled to be saturated vapor with normal temperature and high pressure, the refrigerant gas is further cooled to be saturated liquid, the temperature is not reduced any more, the temperature at the moment is called as the condensation temperature, and the pressure of the refrigerant in the whole condensation process is almost unchanged; the throttling process is as follows: the condensed refrigerant saturated liquid flows into a capillary tube after being filtered by a drying filter to remove moisture and impurities, throttling and pressure reduction are carried out through the capillary tube, and the refrigerant is changed into normal-temperature low-pressure wet vapor; the evaporation process is as follows: the normal temperature and low pressure wet steam starts to absorb heat for vaporization in the evaporator, so that the temperature of the evaporator and the surrounding temperature of the evaporator are reduced, the refrigerant is changed into low temperature and low pressure gas, the refrigerant coming out of the evaporator returns to the compressor after passing through the gas-liquid separator, the processes are repeated, the heat in the refrigerator is transferred to the air outside the refrigerator, and the aim of refrigeration is fulfilled. The fan makes the air constantly get into the fin of evaporimeter carries out the heat exchange, will simultaneously the evaporimeter becomes cold air after exothermic send to through the wind channel the walk-in with in the freezer, so the continuous circulation flow of interior air of storage reaches the purpose of hypothermia. A refrigeration system in a two-system refrigerator includes a compressor for compressing a refrigerant, a first capillary tube and a second capillary tube for decompressing the refrigerant, a refrigerating evaporator and a freezing evaporator as heat absorbing means, a three-way valve for controlling a refrigerant flow path, a check valve for preventing backflow of the refrigerant, a dryer for removing moisture in a freezing cycle, and a refrigerant junction port for connecting the refrigerant flow paths, and the refrigerant is circulated by connecting them by pipes to form a freezing cycle. At this in-process, the fan that sets up for each storeroom respectively is used for accelerating air flow rate to accelerate cold-stored evaporimeter and freezing evaporimeter and carry out endothermic speed, promote the refrigeration speed of storeroom. Wherein the three-way valve has a first outflow port and a second outflow port. When the three-way valve is controlled to enable the first flow outlet to be communicated, the refrigerant flows in the first capillary tube, the refrigeration evaporator, the gas-liquid separator and the refrigerant converging port in sequence and then returns to the compressor, after passing through the first capillary tube, the low-pressure low-temperature refrigerant flows in the refrigeration evaporator, exchanges heat with the refrigeration evaporator and air in the refrigeration chamber, and refrigerates the refrigeration chamber. Similarly, when the three-way valve is controlled to conduct the second outlet, the refrigerant flows in the second capillary tube, the refrigeration evaporator, the gas-liquid separator and the refrigerant converging port in sequence and then returns to the compressor, and after passing through the second capillary tube, the low-pressure and low-temperature refrigerant flows in the refrigeration evaporator to exchange heat with the refrigeration evaporator and air in the freezing chamber to refrigerate the freezing chamber.

The application provides a side-by-side combination refrigerator, wherein an ice maker assembly is arranged in a freezing chamber, so that the problems of high production cost, inconvenient production and large occupied volume of a product caused by too thick foamed layer of a door body are avoided; moreover, based on the position of the ice maker assembly, a water supply pipeline of the ice maker is designed to penetrate through the back surface of the box body, and penetrate into the freezing inner containers from the space between the two inner containers, so that the structure of the water supply pipeline is greatly simplified, an evaporator and an air channel part which are positioned on the back part of the freezing inner containers are avoided, the reasonability and the reliability of pipeline arrangement are improved, the production difficulty is reduced, and the product competitiveness is improved; in addition, heating structures are reasonably arranged in the water supply pipeline, so that the phenomenon that ice blockage occurs in the water supply pipeline due to freezing caused by cold to influence the water injection process is prevented, and the normal operation of the ice machine is effectively guaranteed.

Referring to fig. 4 to 5 and 13 to 15, the catheter assembly 310 includes an elongated catheter 311, a first mounting block 312, a second mounting block 313, a water injection block 314, and a restraining fixture 315.

The first mounting box 312 is connected to the inner side wall 111 of the first inner container 110, a first accommodating cavity 3121 is provided in the first mounting box 312, and the first accommodating cavity 3121 is communicated with the first end of the long conduit 311. The water injection box 314 is disposed in the first accommodation cavity 3121, a water inlet 3141 is disposed on a side wall of the water injection box 314 facing the long conduit 311, and the water inlet 3141 is a through hole for the sleeve assembly 320 to penetrate. A water outlet 3142 is disposed on a sidewall of the water injection box 314 facing the inner sidewall of the first inner container 110, and the water outlet 3142 passes through the inner sidewall 111 of the first inner container 110 and is communicated with the water receiving member 210. A water guide slope is arranged in the water injection box 314, and the lowest point of the water guide slope is the position of the water outlet 3142. The water filling box 314 is used for changing the direction of water flow and is connected with the water receiving member 210, so that water finally flows into the ice cube tray.

Referring to fig. 2 and 3, the second mounting box 313 is disposed through the rear sidewall 131 of the housing 130, a second receiving cavity 3131 is disposed in the second mounting box 313, and the water injection pipe 330 extends into the cannula assembly 320 from the second receiving cavity 3131.

Referring to fig. 15, an installation positioning portion 112 is disposed on an inner sidewall 111 of the first inner container 110. The limiting fixing member 315 is disposed on an outer wall of the long catheter 311, and the limiting fixing member 315 is configured to cooperate with the installation positioning portion 112 to define an installation position of the catheter assembly 310. Preferably, the mounting and positioning portion 112 is preferably a bump, and the limiting fixing 315 is provided with a groove 3151 to match with the bump.

Referring to fig. 4 to 12, the socket assembly 320 includes a metal pipe 321, a heating member 322, a water guiding hose 323, a sealing sponge 324, a sealing rubber sleeve 325, a connecting pipe 326 and a connecting seat 327.

The heating member 322 is preferably a heating wire attached to the outer wall of the metal pipe 321.

The second end of the water guide rubber tube 323 is sleeved at the first end of the metal tube 321, the first end of the water guide rubber tube 323 penetrates through the water inlet 3141 and extends towards the water outlet 3142, the outer wall of the water guide rubber tube 323 is attached to the inner wall of the water inlet 3141, and water injected into the water injection box 314 is prevented from flowing back into the long guide tube 311. Referring to fig. 6 and 11, the outer wall of the first end of the metal pipe 321 is provided with a first positioning portion 3211, and the inner wall of the second end of the water guiding rubber pipe 323 is provided with a second positioning portion 3231 for engaging with the first positioning portion 3211. The water guide rubber tube 323 has the functions of changing the direction of water flow, buffering the water flow speed and reducing the noise generated when the water flow collides.

The metal tube 321 is used for extending into the long catheter 311, the sealing sponge 324 is sleeved on the outer wall of the metal tube 321 and wraps the heating element 322, and the outer wall of the sealing sponge 324 is attached to the inner wall of the long catheter 311, so that no gap exists between the metal tube 321 and the long catheter 311. The sealing sponge 324 is beneficial to improving the heat preservation effect, plays a sealing role in the water injection channel and prevents the freezing chamber from being cooled to the outside of the box body through the gap between the metal pipe 321 and the long guide pipe 311.

Referring to fig. 6 to 7, the sealing rubber sleeve 325 is sleeved at the second end of the metal pipe 321, a pipe inlet hole 3251 is formed in an end surface of the sealing rubber sleeve 325 away from the metal pipe 321, the pipe inlet hole is used for allowing the first end of the water injection pipe 330 to penetrate therethrough, an inner wall of the pipe inlet hole 3251 is attached to an outer wall of the water injection pipe 330, so that a gap does not exist between the pipe inlet hole 3251 and the water injection pipe 330, and water injected into the metal pipe 321 cannot reversely flow out of the metal pipe 321.

The second end of the metal pipe 321 is provided with a slot 3212, the outer wall of the first end of the connection pipe 326 is provided with a protrusion 3261 engaged with the slot 3212, so that the first end of the connection pipe 326 is inserted into the second end of the metal pipe 321, and the sealing rubber sleeve 325 is sleeved on the second end of the connection pipe 326. The outer wall of the connecting pipe 326 is further provided with a buckle 3262.

Referring to fig. 10 and 12, the connecting seat 327 has a tube cavity 3272, a convex ring 3272 is disposed inside a second end of the tube cavity 3271, the tube cavity 3271 is further provided with a clamping groove 3273 engaged with the clamping buckle 3262, so that the connecting seat 327 and the connecting tube 326 form a clamping connection, the sealing rubber sleeve 325 is covered in the tube cavity 3271, and the convex ring 3722 presses the sealing rubber sleeve 325 against the second end of the connecting tube 326.

The connecting seat 327 is disposed in the second receiving cavity 3131, and the connecting seat 327 partially extends into the long guide tube 311. The lumen 3271 of the connecting seat 327 is communicated with the second accommodating cavity 3131, the water injection pipe 330 extends into the lumen 3271 from the second accommodating cavity 3131, and continues to extend into the metal pipe 311 through the sealing rubber sleeve 325, and the water injection pipe 330 extends into about 1/3 of the metal pipe 311, as shown in fig. 9.

To sum up, the utility model provides a refrigerator compares with prior art, includes following beneficial effect at least:

the ice maker assembly is arranged in the freezing chamber, so that the problems that the production cost of a product is high, the production is inconvenient, and the occupied volume is too large due to the fact that a door body is too thick in a foam layer are avoided; moreover, based on the position of the ice maker assembly, a water supply pipeline of the ice maker is designed to penetrate through the back surface of the box body, and penetrate into the freezing inner containers from the space between the two inner containers, so that the structure of the water supply pipeline is greatly simplified, an evaporator and an air channel part which are positioned on the back part of the freezing inner containers are avoided, the reasonability and the reliability of pipeline arrangement are improved, the production difficulty is reduced, and the product competitiveness is improved; in addition, heating structures are reasonably arranged in the water supply pipeline, so that the phenomenon that ice blockage occurs in the water supply pipeline due to freezing caused by cold to influence the water injection process is prevented, and the normal operation of the ice machine is effectively guaranteed.

The foregoing is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, a plurality of modifications and replacements can be made without departing from the technical principle of the present invention, and these modifications and replacements should also be regarded as the protection scope of the present invention.

Claims (10)

1. A refrigerator, characterized by comprising:

the box body comprises a shell, a first inner container and a second inner container; the first inner container and the second inner container are both arranged in the shell and are transversely arranged, a freezing chamber is limited in the first inner container, and a refrigerating chamber is limited in the second inner container;

the ice maker assembly is arranged in the freezing chamber and comprises a water receiving piece;

a water injection module comprising a conduit assembly, a sleeve assembly, and a water injection tube;

the first end of the duct assembly is arranged on the inner side wall of the first inner container facing the second inner container in a penetrating way and is communicated with the water receiving piece, and the second end of the duct assembly is arranged on the rear side wall of the shell in a penetrating way;

the sleeve assembly is arranged in the conduit assembly in a penetrating mode and comprises a metal pipe and a heating element attached to the outer wall of the metal pipe;

the first end of the water injection pipe is arranged in the metal pipe in a penetrating mode, and the second end of the water injection pipe is communicated with an external water source.

2. The refrigerator according to claim 1, wherein:

the conduit assembly comprises a long conduit, a first mounting box and a water injection box;

the first mounting box is connected with the inner side wall of the first inner container, a first accommodating cavity is formed in the first mounting box, and the first accommodating cavity is communicated with the first end of the long catheter;

the water injection box is arranged in the first accommodating cavity, and a water inlet is formed in the side wall of the water injection box facing the long catheter and used for the sleeve assembly to penetrate through; the side wall of the water injection box, which faces the inner side wall of the first inner container, is provided with a water outlet, and the water outlet penetrates through the inner side wall of the first inner container and is communicated with the water receiving piece.

3. The refrigerator according to claim 2, wherein:

the sleeve assembly also comprises a water guide rubber pipe;

the water guide rubber tube is arranged in the water inlet in a penetrating way, and the outer wall of the water guide rubber tube is attached to the inner wall of the water inlet;

the first end of the water guide rubber pipe extends towards the water outlet, and the second end of the water guide rubber pipe is sleeved at the first end of the metal pipe.

4. The refrigerator according to claim 3, wherein:

the outer wall of the first end of the metal pipe is provided with a first positioning part, and the inner wall of the second end of the water guide rubber pipe is provided with a second positioning part matched with the first positioning part.

5. The refrigerator of claim 4, wherein:

and a water guide inclined plane is arranged in the water injection box, and the lowest point of the water guide inclined plane is the position of the water outlet.

6. The refrigerator according to claim 3, wherein:

the cannula assembly further includes a sealing sponge;

the metal pipe stretches into in the long pipe, sealed sponge cover is located the outer wall of metal pipe and parcel the heating member, the outer wall of sealed sponge with the inner wall of long pipe is laminated mutually, makes the metal pipe with do not have the clearance between the long pipe.

7. The refrigerator according to claim 2, wherein:

the sleeve assembly further comprises a sealing rubber sleeve;

the sealing rubber sleeve is sleeved at the second end of the metal pipe, the sealing rubber sleeve is far away from the end face of the metal pipe and is provided with a pipe inlet hole, the pipe inlet hole is used for supplying the first end of the water injection pipe to penetrate, and the inner wall of the pipe inlet hole is attached to the outer wall of the water injection pipe.

8. The refrigerator according to claim 7, wherein:

the sleeve assembly further comprises a connecting pipe and a connecting seat;

the second end of the metal pipe is provided with a slot, the outer wall of the first end of the connecting pipe is provided with a convex part matched with the slot, so that the first end of the connecting pipe is inserted into the second end of the metal pipe, and the sealing rubber sleeve is sleeved at the second end of the connecting pipe; the outer wall of the connecting pipe is also provided with a buckle;

the connecting seat is provided with the lumen, the inside protruding circle that is provided with of second end of lumen, the lumen still be provided with buckle complex draw-in groove makes the connecting seat with the connecting pipe forms the joint, and will sealed gum cover lid close in the lumen, protruding circle will sealed gum cover support in the second end of connecting pipe.

9. The refrigerator according to claim 8, wherein:

the catheter assembly further comprises a second mounting cartridge;

the second mounting box penetrates through the rear side wall of the shell, and a second accommodating cavity is formed in the second mounting box;

the connecting seat is arranged in the second accommodating cavity, and the connecting seat partially extends into the long guide pipe; the tube cavity of the connecting seat is communicated with the second accommodating cavity, and the water injection tube extends into the tube cavity from the second accommodating cavity.

10. The refrigerator according to claim 2, wherein:

the catheter assembly further comprises a limiting fixture;

the inner side wall of the first inner container is provided with an installation positioning part, the limiting fixing piece is arranged on the outer wall of the long catheter and is used for being matched with the installation positioning part to limit the installation position of the catheter assembly.

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