CN216282188U - Ice making assembly and ice making machine - Google Patents

Abstract

The embodiment of the utility model provides an ice making assembly and an ice making machine, wherein the ice making assembly comprises an ice bucket and an ice scraping piece, and the ice bucket comprises: the ice making device comprises an inner pipe, an ice making device and a water outlet, wherein a water inlet is formed in the side wall of the inner pipe, and an ice outlet is formed in the upper end of the inner pipe; the outer tube, the outer tube cover is located outside the inner tube, the outer tube with form a plurality of refrigeration chambeies between the inner tube, it is a plurality of the refrigeration chamber is in set gradually on the axial direction of inner tube, adjacent two through the passageway intercommunication between the refrigeration chamber, be equipped with the intercommunication on the outer tube and be located the below the refrigerant entry in refrigeration chamber and the intercommunication are located the top the refrigerant export in refrigeration chamber. The ice scraping piece is rotatably arranged in the inner tube and is used for scraping the ice formed on the inner wall of the inner tube and conveying the ice to the ice outlet. The ice making assembly and the ice making machine provided by the embodiment of the utility model have high ice making efficiency.

Description

Ice making assembly and ice making machine

Technical Field

The utility model relates to the technical field of ice making, in particular to an ice making assembly and an ice making machine.

Background

The ice maker can produce a large amount of ice cubes in a short time, and has a wide application range. In the ice making machine on the market at present, the structure that copper pipes are wound on the outer wall of an ice bucket is adopted to realize ice making, precision castings used by the structure need to be machined, and the defects of low material utilization rate, low production efficiency and uneconomical parts exist. And the structure of the copper winding pipe has the problems of insufficient cold energy conduction, energy loss and low production efficiency. For example, chinese patent publication No. CN103322740A discloses an ice maker including a motor, a refrigerating device, a working chamber, an ice making chamber, and an atomizing impeller. The studio is located refrigerating plant, combines this utility model specification attached drawing to see that refrigerating plant adopts the mode of pipe winding to cool off, and it has cold volume conduction inefficiency to and energy loss's problem.

SUMMERY OF THE UTILITY MODEL

In view of the above technical problems in the prior art, the present invention provides an ice making assembly and an ice making machine, which have high ice making efficiency, large ice making amount and compact structure.

The embodiment of the utility model provides an ice making assembly, which comprises an ice bucket and an ice scraping piece, wherein the ice bucket comprises:

the ice making device comprises an inner pipe, an ice making device and a water outlet, wherein a water inlet is formed in the side wall of the inner pipe, and an ice outlet is formed in the upper end of the inner pipe;

the outer tube, the outer tube cover is located outside the inner tube, the outer tube with form a plurality of refrigeration chambeies between the inner tube, it is a plurality of the refrigeration chamber is in set gradually on the axial direction of inner tube, adjacent two through the passageway intercommunication between the refrigeration chamber, be equipped with the intercommunication on the outer tube and be located the below the refrigerant entry in refrigeration chamber and the intercommunication are located the top the refrigerant export in refrigeration chamber.

The plurality of refrigeration cavities of the ice making assembly provided by the embodiment of the utility model are sequentially arranged from top to bottom in the axial direction of the inner pipe. Not only simple structure is reasonable, and the system ice is efficient moreover, and the ice volume is big, has the economic benefits of preferred.

In an alternative embodiment, each of the refrigeration chambers extends in the circumferential direction of the inner tube. The refrigeration cavity extends along the circumferential direction of the inner pipe, and is reasonable in structure and easy to manufacture.

In an optional embodiment, the outer sleeve has at least one recess extending along the circumferential direction, the bottom of the recess is connected with the inner tube to divide the space between the outer sleeve and the inner tube into at least two refrigeration cavities, the recess is not closed in the circumferential direction, and the outer sleeve and the inner tube are communicated at the non-closed position to form the channel. Through forming at least one sunken in the circumference of outer tube, sunken bottom and inner tube outer wall are connected the back, can form two at least refrigeration chambeies between outer tube and inner tube, and this is rational in infrastructure, easily makes.

In an alternative embodiment, two passages adjacent in the axial direction of the inner pipe are respectively located on circumferentially opposite sides of the inner pipe. Adjacent channel locates global opposite side, and the refrigerant can flow to the farthest end along circumference, has increased the circulation time in refrigeration chamber, increases the heat transfer, improves ice-making efficiency.

In an alternative embodiment, the inner wall of the inner tube has at least one helical groove. The structure is beneficial to the falling of the ice layer formed on the inner wall of the inner pipe, and the problem that the ice layer is not easy to remove and the ice making process is influenced is solved.

In an optional embodiment, scrape ice piece and rotate and locate in the inner tube, scrape ice piece be used for with the ice that the inner wall of inner tube formed strikes off and send to go out the ice mouth, scrape ice piece including scrape the ice pole and wind scrape the blade of ice pole spiral setting, the blade is double helix structure, the thickness of blade by with scrape the root that the ice pole is connected and keep away from scrape the cutting part of ice pole and reduce gradually. The blade of double helix structure can make deicing efficiency and ice efficiency all improve to some extent, optimizes user and uses experience.

In an optional embodiment, the upper side and the lower side of one end of the blade far away from the ice scraping rod are respectively provided with an inclined surface to form the blade part. The upper side and the lower side of the inner tube are respectively provided with the inclined plane to form the blade part, so that the ice layer formed on the inner wall of the inner tube can be effectively scraped, the blade part has enough strength, and the service life is prolonged.

In an optional embodiment, the included angle between the inclined plane on the lower side of the blade part and the generatrix of the inner pipe is 15-30 degrees. The blade of this structure intensity is high, and deicing effect is good.

In an alternative embodiment, the diameter of the top of the ice scraping rod is smaller than that of the lower part. This structure facilitates the extrusion of scraped ice.

An embodiment of the present invention further provides an ice maker, including the ice making assembly of any of the above embodiments.

Compared with the prior art, the embodiment of the utility model has the beneficial effects that: according to the embodiment of the utility model, the outer sleeve is arranged outside the inner pipe, so that a plurality of refrigerating cavities are formed between the outer sleeve and the inner pipe in sequence from top to bottom, the refrigerating cavities are communicated in sequence, when a refrigerant for making ice is supplied into the refrigerating cavities, the refrigerant is in direct contact with the inner pipe, the heat exchange effect is good, the refrigerant flows in order when the refrigerant sequentially passes through the refrigerating cavities, the refrigerant is fully evaporated, the water in the inner pipe can be quickly and efficiently cooled and made ice, and the structure has the advantages of high refrigerating efficiency, simple and compact structure and contribution to market popularization.

Drawings

In the drawings, which are not necessarily drawn to scale, like reference numerals may describe similar components in different views. Like reference numerals having letter suffixes or different letter suffixes may represent different instances of similar components. The drawings illustrate various embodiments generally by way of example and not by way of limitation, and together with the description and claims serve to explain the disclosed embodiments. The same reference numbers will be used throughout the drawings to refer to the same or like parts, where appropriate. Such embodiments are illustrative, and are not intended to be exhaustive or exclusive embodiments of the present apparatus or method.

Fig. 1 is an exploded view of an ice making assembly according to an embodiment of the present invention.

Fig. 2 is a schematic structural view of an ice making assembly according to an embodiment of the present invention.

Fig. 3 is a partial cross-sectional view of an ice-making assembly according to an embodiment of the present invention.

Fig. 4 is a schematic structural view of an inner tube of an ice making assembly according to an embodiment of the present invention.

Fig. 5 is a schematic structural view of an ice scraping member of an ice making assembly according to an embodiment of the present invention.

Fig. 6 is a partial sectional view schematically illustrating an ice scraping member of an ice making assembly according to an embodiment of the present invention.

Fig. 7 is an enlarged schematic view of a portion a of fig. 6.

Fig. 8 is a schematic structural diagram of an ice squeezing assembly of an ice making assembly according to an embodiment of the utility model.

The members denoted by reference numerals in the drawings:

1-inner tube; 11-a water inlet; 12-an ice outlet; 13-helical groove; 2-outer sleeve; 21-refrigerant inlet; 22-refrigerant outlet; 23-dishing; 3-a refrigeration cavity; 4-scraping ice; 41-ice scraping rod; 42-a blade; 421-a blade part; 5-an ice squeezing component; 51-an ice squeezer; 511-ice squeezing through hole; 52-ice folding head; 521-a bar-shaped through hole; 6-ice bucket seat; 7-a sealing assembly; 8-a bushing assembly; 9-channel.

Detailed Description

In order to make the technical solutions of the present invention better understood, the present invention will be described in detail below with reference to the accompanying drawings and specific embodiments. The following detailed description of embodiments of the utility model is provided in connection with the accompanying drawings and the detailed description of embodiments of the utility model, but is not intended to limit the utility model.

The use of "first," "second," and similar terms in the present application do not denote any order, quantity, or importance, but rather the terms are used to distinguish one element from another. The word "comprising" or "comprises", and the like, means that the element preceding the word covers the element listed after the word, and does not exclude the possibility that other elements are also covered. "upper", "lower", "left", "right", and the like are used merely to indicate relative positional relationships, and when the absolute position of the object being described is changed, the relative positional relationships may also be changed accordingly.

In the present invention, when it is described that a specific device is located between a first device and a second device, there may or may not be an intervening device between the specific device and the first device or the second device. When a particular device is described as being coupled to other devices, that particular device may be directly coupled to the other devices without intervening devices or may be directly coupled to the other devices with intervening devices.

All terms (including technical and scientific terms) used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs unless specifically defined otherwise. It will be further understood that terms, such as those defined in commonly used dictionaries, should be interpreted as having a meaning that is consistent with their meaning in the context of the relevant art and will not be interpreted in an idealized or overly formal sense unless expressly so defined herein.

Techniques, methods, and apparatus known to those of ordinary skill in the relevant art may not be discussed in detail but are intended to be part of the specification where appropriate.

The embodiment of the utility model provides an ice making assembly which comprises an ice bucket and an ice scraping piece 4. As shown in fig. 1 to 3, the ice bucket includes an inner tube 1 and an outer sleeve 2, a water inlet 11 is provided on a side wall of the inner tube 1, and an ice outlet 12 is provided on an upper end of the inner tube 1. Outside inner tube 1 was located to the outer tube 2 cover, formed a plurality of refrigeration chambeies 3 between outer tube 2 and the inner tube 1, a plurality of refrigeration chambeies 3 set gradually on the axial direction of inner tube 1, communicate through passageway 9 between two adjacent refrigeration chambeies 3, are equipped with on the outer tube 2 and communicate the refrigerant entry 21 that is located refrigeration chamber 3 of below and communicate the refrigerant export 22 that is located the refrigeration chamber 3 of the top. The ice scraping piece 4 is rotatably arranged in the inner tube 1, and the ice scraping piece 4 is used for scraping ice formed on the inner wall of the inner tube 1 and sending the ice to the ice outlet 12.

According to the embodiment of the utility model, the outer sleeve 2 is arranged outside the inner pipe 1, so that the plurality of refrigeration cavities 3 which are sequentially arranged from top to bottom are formed between the outer sleeve 2 and the inner pipe 1, the plurality of refrigeration cavities 3 are sequentially communicated, when a refrigerant for making ice is supplied into the refrigeration cavities 3, the refrigerant is directly contacted with the inner pipe 1, the heat exchange effect is good, and when the refrigerant sequentially passes through the plurality of refrigeration cavities 3, the refrigerant flows in order, the refrigerant is fully evaporated, the heat exchange effect is improved, the water in the inner pipe 1 can be rapidly and efficiently cooled and made ice, the refrigeration efficiency is high, the ice making quantity is large, the structure is simple and compact, and the market popularization is facilitated.

The sizes of the outer sleeve 2 and the inner pipe 1 can be set according to the ice making requirement, and the ice making quantity can be changed by changing the diameters and the lengths of the inner pipe 1 and the outer sleeve 2.

The ice making assembly of the embodiment of the utility model further comprises an ice squeezing assembly 5, and the ice squeezing assembly 5 is arranged at the ice outlet 12 of the inner pipe 1.

In the embodiment of the utility model, water is supplied into the inner pipe 1 from the water inlet 11, refrigerant is supplied into the refrigerating cavities 3 from the refrigerant inlet 21, and the refrigerant flows through the plurality of refrigerating cavities 3 in sequence and then flows out from the refrigerant outlet 22. When water in the inner pipe 1 flows from the lower part of the inner pipe 1 to the upper part, the water exchanges heat with a refrigerant in the refrigeration cavity 3, after the refrigerant absorbs heat of the water, the water freezes on the inner wall of the inner pipe 1, ice on the inner wall of the inner pipe 1 is scraped off by the ice scraping piece 4, and the water upwards enters the ice squeezing assembly 5 through the ice outlet 12 and is squeezed out from the ice squeezing assembly 5.

In the embodiment of the utility model, water can be supplied through the water tank, the height of the water tank can be set, water can be supplied to the inner pipe 1 through gravity, and a conveying device such as a water pump and the like can be arranged between the water tank and the inner pipe 1.

In the embodiment of the utility model, the plurality of refrigeration cavities can comprise two or more than two. The plurality of refrigeration chambers may be end to end.

In some embodiments, referring to fig. 1 to 3, each refrigeration cavity may extend along the circumferential direction of the inner tube 1, and the extension of the refrigeration cavity along the circumferential direction of the inner tube 1 facilitates the connection between the outer sleeve 2 and the inner tube 1.

In other embodiments, the refrigeration cavity may extend spirally on the outer wall of the inner tube 1. For example, a plurality of refrigeration chambers are connected end to end and arranged spirally on the outer wall of the inner tube 1.

In some embodiments, with reference to fig. 1 to 3, the outer jacket tube 2 has at least one recess 23 extending in the circumferential direction, the bottom of the recess 23 being connected to the inner tube 1 so as to divide the space between the outer jacket tube 2 and the inner tube 1 into at least two refrigeration chambers 3, the recess 23 being circumferentially unsealed, the outer jacket tube 2 and the inner tube 1 communicating at the unsealed place so as to form the passage 9. At least one recess 23 is formed in the circumferential direction of the outer sleeve 2, and after the bottom of the recess 23 is connected with the outer wall of the inner pipe 1, at least two refrigeration cavities 3 can be formed between the outer sleeve 2 and the inner pipe 1 in a separated mode.

In the embodiment of the utility model, the outer sleeve 2 can be of an integral structure, at least one recess 23 can be formed on the outer sleeve 2 through compression, the recess 23 can divide the space in the outer sleeve 2 into at least two parts in the axial direction, and after the outer sleeve 2 is connected with the inner pipe 1 through compression, the bottom of the recess 23 is connected with the outer wall of the inner pipe 1, so that at least two refrigeration cavities 3 are formed between the outer sleeve 2 and the inner pipe 1. At least two refrigeration chambers 3 are distributed in the axial direction. The recesses 23 are circumferentially not closed, i.e. the recesses 23 are C-shaped, so as to form a passage 9 between two adjacent refrigeration chambers 3, by connecting two adjacent refrigeration chambers 3. The structure is easy to form, convenient to manufacture, reasonable in structure and low in cost.

Of course, in other exemplary embodiments, the outer sleeve 2 may be a plurality of independent outer sleeves, the plurality of outer sleeves 2 form the refrigeration cavity 3 with the outer wall of the inner tube 1, and the plurality of outer sleeves 2 are communicated with each other to form the channel 9.

In some embodiments, referring to fig. 1 to 3, two channels 9 adjacent in the axial direction of the inner tube 1 are respectively located on opposite sides of the circumference of the inner tube 1. Adjacent channel 9 locates global opposite side, and the refrigerant can flow to the farthest end in refrigeration chamber 3 along circumference, has increased the circulation time in this refrigeration chamber, increases the heat transfer, raises the efficiency. After the refrigerant got into refrigeration chamber 3, encircle inner tube 1 along refrigeration chamber 3 from two directions and flow to the passageway 9 of opposite side, get into next stage refrigeration chamber 3, the refrigerant flows more evenly, and circulation speed is fast, and whole heat transfer is effectual.

In another exemplary embodiment, each refrigeration cavity 3 is not communicated in the circumferential direction, after the refrigerant enters the refrigeration cavity 3, the refrigerant enters the next-stage refrigeration cavity 3 through the channel 9 after surrounding the inner pipe 1 for a circle in the circumferential direction, and in one refrigeration cavity 3, the refrigerant flows in a single direction. For example, on the basis of the above embodiment, a cutting protrusion is formed between the two recesses 23 of the outer sleeve 2 near the passage 9, the top of the cutting protrusion is connected with the outer wall of the inner tube 1, and the refrigeration cavity 3 is cut off, so that the refrigeration cavity 3 is not communicated circumferentially.

In some embodiments, referring to fig. 3 and 4, the inner wall of the inner tube 1 has at least one helical groove 13. The structure is beneficial to the falling of the ice layer formed on the inner wall of the inner tube 1, and the problem that the ice layer is not easy to remove and the ice making process is influenced is solved. At least one spiral groove 13 is formed on the inner wall of the inner tube 1, so that the ice layer on the inner wall surface of the inner tube 1 is uneven in thickness and easier to scrape. The ice making process is prevented from being influenced by the over-thick ice layer.

In some embodiments, referring to fig. 1, 5, 6 and 7, the ice scraping member 4 includes an ice scraping bar 41 and a blade 42 spirally disposed around the ice scraping bar 41, the blade 42 has a double-spiral structure, and the thickness of the blade 42 gradually decreases from a root connected to the ice scraping bar 41 to a blade portion 421 away from the ice scraping bar 41. The blades 42 with the double-spiral structure can improve the deicing efficiency and the ice discharging efficiency, and optimize the use experience of a user. The thickness of the blade 42 is gradually reduced from the root to the edge portion 421, so that the structure of the blade 42 is stable.

In some embodiments, referring to fig. 7, the blade 42 is beveled on both the upper and lower sides of the end away from the ice scraping bar 41 to form a blade portion 421. The blade 421 is formed by the inclined planes on the upper and lower sides, so that the ice layer formed on the inner wall of the inner tube 1 can be effectively scraped, the blade 421 has enough strength, and the service life is prolonged.

In some embodiments, referring to fig. 7, the angle between the inclined plane of the lower side of the blade 421 and the generatrix of the inner tube 1 is 15 ° to 30 °. The blade 42 of this structure is high in strength, and the deicing effect is good.

In some embodiments, referring to FIG. 7, the angle between the slope of the upper side of the blade 421 and the diameter of the inner tube 1 is 15-30. The blade 42 of this structure is high in strength, and the deicing effect is good.

In some embodiments, the diameter C of the top of the ice scraping bar 41 is smaller than the diameter B of the lower portion, see FIG. 6. This structure facilitates the extrusion of scraped ice.

After the ice scraping piece 4 scrapes off the ice layer on the inner wall of the inner tube 1, the ice layer is conveyed upwards under the action of the double-spiral blade 42, the diameter of the top of the ice scraping rod 41 is reduced, the pressure caused by the increase of the scraped ice is favorably reduced, and the rotation resistance of the ice scraping piece 4 is reduced.

In some embodiments, referring to fig. 8, the ice-squeezing assembly 5 includes an ice-squeezing unit 51, and the ice-squeezing unit 51 is provided with a plurality of ice-squeezing through holes 511 communicating with the ice outlet 12, and the plurality of ice-squeezing through holes 511 are arranged around the axis of the inner pipe 1. For example, the plurality of ice-squeezing through-holes 511 may be uniformly arranged around the axis of the inner pipe 1. The ice squeezer 51 can squeeze crushed ice into ice cubes, and facilitates ice cube forming.

In some embodiments, the diameter of the ice-squeezing through hole 511 on the side close to the ice outlet 12 is gradually increased to form a bell mouth, which is beneficial for the crushed ice to enter the ice-squeezing through hole 511, and the crushed ice is squeezed to form ice cubes as the cross-sectional area of the ice-squeezing through hole 511 is reduced.

In the embodiment of the present invention, the cross section of the ice-squeezing through hole 511 may be circular, rectangular or other shapes, which is not specifically limited in the present invention, and the cross section of the ice-squeezing through hole 511 may be set according to the user's requirements, so as to obtain ice cubes with different shapes.

In some embodiments, a gap is provided between two adjacent ice pushing through holes 511 near one side of the ice outlet 12, so that the two adjacent ice pushing through holes 511 are communicated with each other through the gap, and the ice pushing through holes 511 are communicated with each other. The gaps can enable crushed ice to flow in the adjacent ice squeezing through holes 511, and ice discharging efficiency is improved.

In some embodiments, referring to fig. 8, the ice-ejecting assembly 5 further includes an ice-folding head 52 disposed above the ice-ejecting unit 51, wherein the ice-folding head 52 has an ice-folding slope for breaking off the ice cubes discharged from the ice-ejecting through hole 511. The structure can rapidly break the ice blocks into blocky ice blocks, and the structure is simple and the cost is low.

In the embodiment of the present invention, the ice folding head 52 may be detachably connected to the ice squeezer 51, and may also be an integrated structure with the ice squeezer 51.

In some embodiments, referring to fig. 8, the ice folding head 52 has a funnel shape, and the outer wall surface of the funnel-shaped ice folding head 52 forms an ice folding slope. In the exemplary embodiment, ice folding head 52 has a through bar 521 that communicates the inside and outside of the funnel. As shown, the through-hole 521 may extend along a generatrix of the funnel-shaped ice folding head 52. The number of the bar-shaped through holes 521 may be at least two. For example, the number of the bar-shaped through holes 521 is three. At least two strip-shaped through holes 521 can be uniformly distributed in the circumferential direction of the ice folding head 52.

The ice making assembly in the embodiment of the utility model further comprises a sealing assembly 7, a shaft sleeve assembly 8 and an ice bucket seat 6, wherein the ice bucket seat 6 is connected with the bottom of the inner pipe 1 so as to assemble the ice scraping piece 4 in the inner pipe 1. The sealing assembly 7 is used for sealing the ice scraping piece 4 and the ice bucket seat 6 and sealing the ice bucket seat 6 and the inner pipe 1, and the shaft sleeve assembly 8 is used for rotationally connecting the ice scraping piece 4 and the ice bucket seat 6.

An embodiment of the present invention further provides an ice maker, including the ice making assembly of any of the above embodiments. The ice maker of the embodiment of the present invention may further include a water tank connected to the water inlet 11, a cooling unit communicated with the cooling medium inlet 21 and the cooling medium outlet 22 of the ice making unit, and a storage case for receiving ice cubes discharged from the ice outlet 12. The ice maker adopting the ice making assembly has the advantages that the plurality of refrigerating cavities 3 formed between the outer sleeve 2 and the inner pipe 1 enable the refrigerant to flow orderly, the heat exchange effect is provided, the refrigerating efficiency of the structure is high, the structure is simple and compact, and the market popularization of the ice maker is facilitated.

Moreover, although exemplary embodiments have been described herein, the scope thereof includes any and all embodiments based on the present invention with equivalent elements, modifications, omissions, combinations (e.g., of various embodiments across), adaptations or alterations. The elements of the claims are to be interpreted broadly based on the language employed in the claims and not limited to examples described in the present specification or during the practice of the utility model, which examples are to be construed as non-exclusive. It is intended, therefore, that the specification and examples be considered as exemplary only, with a true scope and spirit being indicated by the following claims and their full scope of equivalents.

The above description is intended to be illustrative and not restrictive. For example, the above-described examples (or one or more versions thereof) may be used in combination with each other. For example, other embodiments may be used by those of ordinary skill in the art upon reading the above description. In addition, in the above-described embodiments, various features may be grouped together to streamline the disclosure. This should not be interpreted as an intention that a disclosed feature not claimed is essential to any claim. Rather, inventive subject matter may lie in less than all features of a particular disclosed embodiment. Thus, the following claims are hereby incorporated into the detailed description as examples or embodiments, with each claim standing on its own as a separate embodiment, and it is contemplated that these embodiments may be combined with each other in various combinations or permutations. The scope of the utility model should be determined with reference to the appended claims, along with the full scope of equivalents to which such claims are entitled.

The above embodiments are only exemplary embodiments of the present invention, and are not intended to limit the present invention, and the scope of the present invention is defined by the claims. Various modifications and equivalents may be made by those skilled in the art within the spirit and scope of the present invention, and such modifications and equivalents should also be considered as falling within the scope of the present invention.

Claims (10)

1. An ice making assembly comprising an ice bucket and an ice scraping member, wherein the ice bucket comprises:

the ice making device comprises an inner pipe, an ice making device and a water outlet, wherein a water inlet is formed in the side wall of the inner pipe, and an ice outlet is formed in the upper end of the inner pipe;

the outer tube, the outer tube cover is located outside the inner tube, the outer tube with form a plurality of refrigeration chambeies between the inner tube, it is a plurality of the refrigeration chamber is in set gradually on the axial direction of inner tube, adjacent two through the passageway intercommunication between the refrigeration chamber, be equipped with the intercommunication on the outer tube and be located the below the refrigerant entry in refrigeration chamber and the intercommunication are located the top the refrigerant export in refrigeration chamber.

2. An icemaker assembly according to claim 1 wherein each of said refrigeration chambers extends circumferentially of said inner tube.

3. An icemaker assembly according to claim 2 wherein said outer sleeve has at least one circumferentially extending recess, the bottom of said recess being connected to said inner tube to divide said space between said outer sleeve and said inner tube into at least two of said refrigeration chambers, said recess being circumferentially unsealed, said outer sleeve and said inner tube communicating at the unsealed location to form said passageway.

4. An icemaker assembly according to claim 1 wherein two channels adjacent in an axial direction of said inner tube are located on circumferentially opposite sides of said inner tube, respectively.

5. An icemaker assembly according to claim 1 wherein an inner wall of said inner tube has at least one helical groove.

6. An ice making assembly as claimed in claim 1, wherein the ice scraping member is rotatably disposed in the inner tube, and the ice scraping member is configured to scrape ice formed on the inner wall of the inner tube and send the ice to the ice outlet; scrape ice spare including scraping the ice pole and winding scrape the blade that ice pole spiral set up, the blade is double helix structure, the thickness of blade by with scrape the root that the ice pole is connected extremely keeping away from the cutting part of scraping the ice pole reduces gradually.

7. An icemaker assembly according to claim 6, wherein the blade is formed with the blade portion by chamfering upper and lower sides of an end of the blade away from the ice scraping bar.

8. An icemaker assembly according to claim 7 wherein the angle between the slope of the underside of said blade and the generatrix of said inner tube is between 15 ° and 30 °.

9. An icemaker assembly according to claim 6 wherein a diameter of a top portion of said ice scraping bar is smaller than a diameter of a lower portion.

10. An ice making machine comprising the ice making assembly of any of claims 1-9.

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