WO2020192028A1

WO2020192028A1 - Ice crushing device and refrigerator having same

Info

Publication number: WO2020192028A1
Application number: PCT/CN2019/105078
Authority: WO
Inventors: 崔船; 张延庆; 杜启海; 薛建军
Original assignee: 青岛海尔电冰箱有限公司; 海尔智家股份有限公司
Priority date: 2019-03-28
Filing date: 2019-09-10
Publication date: 2020-10-01
Also published as: EP3951289A1; AU2019438321A1; EP3951289B1; AU2019438321B2; CN111750585A; EP3951289A4

Abstract

Disclosed are an ice crushing device and a refrigerator having same. A door body (1) is provided with a second accommodating cavity (12) having an opening (121), and with a heating wire (13); the ice crushing device comprises a cover plate (7) for sealing the opening (121), and a first drain pipe (8), by means of which the second accommodating cavity (12) and a refrigerating compartment (2) of the refrigerator are in communication, wherein the cover plate (7) and the opening (121) are connected in a sealing manner, one end hole of the first drain pipe (8) is provided at the bottom of the second accommodating cavity (12), and the other one of the end holes is configured to be exposed to the refrigerating compartment (2) and close to the heating wire (13).

Description

Ice crushing device and refrigerator with same

This application claims the priority of the Chinese patent application whose application date is March 28, 2019, the application number is 201910240518.5, and the invention title is "Ice Crushing Device and Refrigerator With The same", the entire content of which is incorporated into this application by reference .

Technical field

The invention relates to the field of household appliances, in particular to an ice crushing device and a refrigerator having the same.

Background technique

With the continuous development of science and technology and the continuous improvement of people's living standards, in order to adapt to people's higher and higher requirements for the quality of life, the functions of household appliances are also increasing, such as adding an ice maker to the refrigerator. The ice maker of a general refrigerator includes an ice making device and an ice crushing device. The ice making device prepares the ice cubes and stores them in a bucket-shaped container. The ice crushing device is used for crushing ice for the convenience of users.

At present, the transmission mode adopted by the ice maker of the refrigerator is that the motor drives the rotating bucket of the ice crushing device through the transmission of the bevel gear and the spur gear, and the transmission efficiency is relatively low. Since the ice crushing motor and the transmission mechanism are located under the ice storage box, the crushed ice is easy to fall into the gap of the gears, which will affect the transmission and cause the gears to stick. When the ice maker fails to fill water, it is easy to cause continuous water injection inside the ice maker. At this time, water is prone to accumulate in the installation cavity of the ice crushing motor, resulting in motor failure and safety hazards. After the water level rises, the water will flow along the refrigerator. The air duct flows to the cabinet, which can easily damage the evaporator of the refrigerator. In addition, since the ice maker is in a freezing environment and the outside of the ice maker is in a refrigerated environment, the surface of the ice maker is prone to condensation, which reduces the user experience.

Therefore, in view of the above-mentioned existing problems, it is necessary to further improve the existing technology to improve the convenience of using the refrigerator.

Summary of the invention

The purpose of the present invention is to provide an ice crushing device and a refrigerator having the same, to solve the problems of low transmission efficiency of the ice maker in the current refrigerator, crushing ice easily causing gear adhesion, and water accumulation easily causing damage to the motor and evaporator. Improve the convenience of using the refrigerator.

In order to achieve one of the above-mentioned objects of the invention, the present invention provides an ice crushing device, which is arranged on a door of a refrigerator, and the door is provided with a first accommodating cavity and a second accommodating cavity with an opening; The ice device includes: a crushed ice bucket arranged in the first accommodating cavity, a cutter head arranged in the crushed ice bucket, and a driving unit at least partially arranged in the second accommodating cavity. The unit includes: a driving rod connected to the cutter head and driving the cutter head to rotate in the crushed ice bucket, a gear set connected to and acting on the driving rod, and a motor for driving the gear set to operate Wherein, the edge of the door body is provided with a heating wire; the ice crushing device further includes: a cover for sealing the opening of the second accommodating cavity so that the second accommodating cavity is formed as a closed space, And a first drain pipe that communicates the second accommodating cavity with the refrigerator compartment; the cover plate and the opening are connected in a sealed manner through mutually matched waterproof flanges and waterproof grooves; the first drain One of the end holes of the tube is arranged at the bottom of the second accommodating cavity, and the other end of the end hole is exposed to the refrigerating compartment and is arranged close to the heating wire.

As a further improvement of an embodiment of the present invention, the gear set includes: a first gear sleeved on the outer circumference of the ice crushing bucket, and a second gear that meshes with the first gear to indirectly drive the cutter head to rotate. Gear; wherein, the first gear is provided at the upper end of the crushed ice bucket and coaxial with the drive rod, the central axis of the second gear is parallel to the drive rod, and the motor drives the second The gear turns.

As a further improvement of an embodiment of the present invention, the gear set further includes: a connection box fixedly arranged in the first accommodating cavity, and the connection box includes: a first box body accommodating the first gear and a Two gears are connected to the second box body of the first box body; the first box body and the second box body share a side wall, and the side wall is at least partially hollowed out to form a hollow part, so The first gear and the second gear are meshed and connected to each other through the hollow portion.

As a further improvement of an embodiment of the present invention, the second box body includes an upper cover and a lower cover that are detachably arranged with each other, and the upper edge of the lower cover is set lower than the upper edge of the first box body, and The second gear is arranged in an accommodation cavity formed between the upper cover and the lower cover.

As a further improvement of an embodiment of the present invention, the upper edge of the opening constitutes the waterproof flange; the cover plate includes: a cover plate body, an extension extending from the edge of the cover plate body perpendicular to the opening direction Wall, a first waterproof block extending from the end of the extension wall away from the cover body, and a second waterproof block provided on the end surface of the first waterproof block facing away from the opening; the waterproof recess The groove is opened corresponding to the common part of the first waterproof block and the second waterproof block, and is opened on the end surface of the first waterproof block facing the opening; the depth of the waterproof groove is not less than that of the first waterproof block height.

As a further improvement of an embodiment of the present invention, a sealing ring is provided on the periphery of the door body, the heating wire is arranged around the sealing ring, and a first gap is formed between at least part of the sealing ring, and the first The other end of the end hole of the drain pipe is arranged in the first gap.

As a further improvement of an embodiment of the present invention, the ice crushing device further includes an ice outlet channel connecting the ice crushing bucket and the outside of the door; a side wall of the ice outlet channel is provided with a side wall communicating with the ice outlet The second drain pipe of the channel, the other end hole of the second drain pipe is exposed to the refrigerating compartment and is arranged close to the heating wire.

As a further improvement of an embodiment of the present invention, the heating wire and the sealing ring also form a second gap, and the other end hole of the second drain pipe is arranged in the second gap.

As a further improvement of an embodiment of the present invention, a third drainage pipe connected to the first housing cavity is provided at the bottom of the first housing cavity, and the other end hole of the third drainage pipe is exposed on the door body Leeward.

In order to achieve one of the above-mentioned objects of the invention, the present invention also provides a refrigerator, comprising a door body and the above-mentioned ice crushing device, the ice crushing device being arranged on the door body.

Compared with the prior art, the present invention has the beneficial effects of improving the transmission efficiency of the motor, preventing crushed ice from sticking to the gears, and preventing water from damaging the motor and the evaporator, thereby improving the convenience and performance of the refrigerator.

Description of the drawings

Figure 1 is a schematic structural view of a refrigerator door in an embodiment of the present invention;

2 is a schematic diagram of the structure of the first containing cavity and the ice crushing device;

Figure 3 is a schematic diagram of the explosion structure of the ice crushing device;

Figure 4 is a schematic diagram of the structure of the drive unit;

Figure 5 is a schematic diagram of the structure of the connection box;

Figure 6 is a schematic diagram of the structure of the cover;

Figure 7 is a schematic cross-sectional view of the cover plate;

Figure 8 is a cross-sectional view of the X-X direction of the circle A in Figure 2;

Fig. 9 is a schematic diagram of an enlarged structure of part C in Fig. 8;

Fig. 10 is a schematic diagram of an enlarged structure of the circle D in Fig. 8;

Figure 11 is a cross-sectional view of the Y-Y direction of the circle A in Figure 2;

Fig. 12 is a schematic diagram of an enlarged structure of part B in Fig. 2;

Figure 13 is a schematic view of the back structure of the door;

FIG. 14 is an enlarged schematic diagram of the structure of the circle E in FIG. 13.

In the figure: 1. Door body; 11. The first containing cavity; 12. The second containing cavity; 121. Opening; 1211. Waterproof flange; 13. Heating wire; 14. Sealing ring; 15. The first gap; 16. The second gap; 2. Refrigerator compartment; 3. Downwind duct; 4. Ice crushing bucket; 5. Cutter head; 6. Drive unit; 61. Drive rod; 62. Gear set; 621. First gear; 622 .Second gear; 623. Connection box; 6231. First box; 6232. Second box; 6232a. Upper cover; 6232b. Lower cover; 6233. Side wall; 6233A. Hollow part; 63. Motor; 7. Cover plate; 71. Cover plate body; 72. Extension wall; 73. First waterproof block; 74. Second waterproof block; 75. Waterproof groove; 8. First drainage pipe; 9. Ice outlet channel; 10. Section Second drainage pipe; 11. Third drainage pipe.

detailed description

In order to make the purpose, technical solutions and advantages of the present application clearer, the technical solutions of the present application will be described clearly and completely in conjunction with the specific embodiments of the present application and the corresponding drawings. Obviously, the described implementations are only a part of the implementations of this application, rather than all of the implementations. Based on the implementation manners in this application, all other implementation manners obtained by those of ordinary skill in the art without creative work fall within the protection scope of this application.

The embodiments of the present invention are described in detail below. Examples of the embodiments are shown in the accompanying drawings, in which the same or similar reference numerals indicate the same or similar elements or elements with the same or similar functions. The following embodiments described with reference to the accompanying drawings are exemplary, and are only used to explain the present invention, and cannot be understood as a limitation to the present invention.

For the convenience of description, this article uses terms representing the relative position in space for description, such as "upper", "lower", "inner", "outer", etc., used to describe one unit or feature shown in the drawings relative to another The relationship of a unit or feature. The term of the relative position in space may include different orientations of the equipment in use or work other than the orientation shown in the figure. For example, if the device in the figure is turned over, the unit described as being "below" or "above" other units or features will be located "below" or "above" the other units or features. Therefore, the exemplary term "below" can encompass both spatial orientations of below and above.

The device can be oriented in other ways (rotated by 90 degrees or other orientations), and the space-related descriptors used herein are explained accordingly. As in the present invention, for ease of description, when the refrigerator is in normal use, the direction toward the ground is downward, the direction away from the ground is upward, the direction parallel to the ground is horizontal, and the direction perpendicular to the ground is vertical. direction.

As shown in Figures 1 to 12, an embodiment of the present invention provides an ice crushing device, which is arranged on the door 1 of the refrigerator. The door 1 is provided with a first containing cavity 11 and a second containing cavity with an opening 121. Place cavity 12; the ice crushing device includes: a crushed ice bucket 4 set in the first containing cavity 11, a cutter head 5 set in the crushed ice bucket 4, and a drive unit at least partially set in the second containing cavity 12 6. The driving unit 6 includes: a driving rod 61 connected to the cutter head 5 and driving the cutter head 5 to rotate in the crushed ice bucket 4, a gear set 62 connected to and acting on the driving rod 61, and a gear set 62 for driving the operation of the gear set 62 Motor 63; wherein the edge of the door body 1 is provided with a heating wire 13; the ice crushing device also includes: an opening 121 for sealing the second accommodating cavity 12 so that the second accommodating cavity 12 is formed as a closed space cover 7 , And the first drain pipe 8 connecting the second accommodating cavity 12 and the refrigerator compartment 2; the cover plate 7 and the opening 121 are hermetically connected through the mutually matched waterproof flange 1211 and the waterproof groove 75; the first drain One of the end holes of the tube 8 is arranged at the bottom of the second accommodating cavity 12, and the other end of the end hole is exposed to the refrigerating compartment 2 and is arranged close to the heating wire 13.

Specifically, the door 1 of the refrigerator is provided with a first accommodation cavity 11 and a second accommodation cavity 12; the second accommodation cavity 12 is located below the first accommodation cavity 11 and is provided with an upward opening 121. An accommodating cavity 11 passes through the opening 121 and the second accommodating cavity 12, and both are located in the upper half of the door body 1, so that the user can stand and use the crushed ice cubes made of the refrigerator. The edge of the door body 1 is also provided with a heating wire 13, the heating wire 13 extends along the periphery of the first accommodating cavity 11, and the heating wire 13 can prevent condensation.

The ice crushing device includes a crushed ice bucket 4, a cutter head 5, and a driving unit 6. The driving unit 6 includes a driving rod 61, a gear set 62 and a motor 63; the crushed ice bucket 4 is located in the first containing cavity 11, and the cutter head 5 is set in In the crushed ice bucket 4; the motor 63 is placed in the second accommodating cavity 12 with the output shaft vertically upward, the output shaft of the motor 63 is connected and drives the gear set 62 to run, the gear set 62 is connected and drives the drive rod 61 to rotate, the drive rod 61 is connected to the cutter head 5 and drives the cutter head 5 to rotate in the ice crushing bucket 4, thereby achieving ice crushing.

The ice crushing device also includes a cover plate 7 and a first drain pipe 8; the cover plate 7 is provided with a waterproof groove 75, and the opening 121 of the second containing cavity 12 is provided with a waterproof flange 1211, a waterproof flange 1211 and a waterproof groove 75 are matched with each other to seal the cover 7 and the opening 121, thereby forming a sealed space in the second accommodating cavity 12 to prevent water and ice slag from entering the second accommodating cavity 12, thereby affecting the normal operation of the motor 63; One end of the end hole of the first drain pipe 8 is set at the bottom of the second accommodating cavity 12, and the other end is exposed to the refrigerating compartment 2 and close to the heating wire 13, thereby communicating the second accommodating cavity 12 and the refrigerator refrigerating compartment 2. In order to drain the accumulated water inside the second accommodating cavity 12 to prevent the accumulated water from affecting the motor 63 and causing damage.

Further, the gear set 62 includes: a first gear 621 sleeved on the outer circumference of the ice crushing bucket 4, and a second gear 622 that meshes with the first gear 621 to indirectly drive the cutter head 5 to rotate; wherein the first gear 621 is provided with At the upper end of the ice crushing bucket 4 and coaxial with the driving rod 61, the central axis of the second gear 622 is parallel to the driving rod 61, and the motor 63 drives the second gear 622 to rotate.

As shown in Figures 3 and 4, the gear set 62 includes a first gear 621 and a second gear 622; the first gear 621 is sleeved on the upper end of the outer circumference of the ice crushing bucket 4 and is coaxial with the driving rod 61, and the second gear 622 is connected to The first gear 621 meshes with each other and the center axis of the second gear 622 is parallel to the driving rod 61. When the motor 63 is connected to drive the second gear 622 to rotate, the second gear 622 indirectly drives the knife through the first gear 621 and the ice bucket 4 The head 5 rotates to realize the ice breaking function.

Preferably, the first gear 621 and the second gear 622 can be configured as spur gears. By improving the transmission method of the two bevel gears in the prior art, the motor 63 is installed under the ice crushing bucket 4, and the direct transmission through the spur gear can greatly improve the transmission efficiency of the motor 63 and reduce the transmission loss.

Further, the gear set 62 further includes: a connecting box 623 fixedly arranged in the first accommodating cavity 11, the connecting box 623 includes: a first box body 6231 accommodating the first gear 621, and a second gear 622 accommodating and connected to the A second box body 6232 of a box body 6231; the first box body 6231 and the second box body 6232 share a side wall 6233, and the side wall 6233 is at least partially hollowed out to form a hollow portion 6233A, the first gear 621 and the second gear 622 is engaged and connected to each other through the hollow portion 6233A.

Further, the second box body 6232 includes an upper cover 6232a and a lower cover 6232b that are detachably provided with each other. The upper edge of the lower cover 6232b is set lower than the upper edge of the first box body 6231, and the second gear 622 is provided on the upper cover 6232a And the accommodating cavity formed between the lower cover 6232b.

As shown in Figure 5, the gear set 62 also includes a connecting box 623, which is fixedly arranged in the first accommodating cavity 11; the connecting box 623 includes a first box body 6231 and a second box body 6232; a first box body 6231 The first gear 621 is accommodated, and the second box body 6232 accommodates the second gear 622; the first box body 6231 and the second box body 6232 share a side wall 6233 for fixed connection, and a part of the side wall 6233 is hollowed out to form a hollow portion 6233A, The first gear 621 and the second gear 622 are in meshing connection with each other in the space where the hollow portion 6233A is located.

The second box body 6232 also includes a detachable upper cover 6232a and a lower cover 6232b; the second gear 622 is arranged in the accommodating cavity formed after the upper cover 6232a and the lower cover 6232b are sealed and connected; the upper edge of the lower cover 6232b is lower than On the upper edge of the first box body 6231, after the upper cover 6232a and the lower cover 6232b are connected, the upper cover 6232a is close to the side wall 6233, which can ensure the sealing performance between the upper cover 6232a and the lower cover 6232b, and effectively prevent ice slag from falling Into the gear gap causes the gear to stick.

Further, the upper edge of the opening 121 constitutes a waterproof flange 1211; the cover 7 includes a cover body 71, an extension wall 72 extending from the edge of the cover body 71 perpendicular to the direction of the opening 121, and the extension wall 72 away from the cover body A first waterproof block 73 extending from the end of the first waterproof block 73, and a second waterproof block 74 disposed on the end face of the first waterproof block 73 facing away from the opening 121; the waterproof groove 75 corresponds to the first waterproof block 73 and the second waterproof block 74 The public part of the first waterproof block 73 is opened and opened on the end surface of the first waterproof block 73 facing the opening 121; the depth of the waterproof groove 75 is not less than the height of the first waterproof block 73.

Specifically, the upper edge of the opening 121 protrudes vertically upwards to form a closed waterproof flange 1211. The downward side of the cover plate 7 is provided with a waterproof groove 75, and the waterproof flange 1211 and the waterproof groove 75 are hermetically connected.

As shown in Figures 6 and 7, the cover 7 includes a cover main body 71, an extension wall 72, a first waterproof block 73 and a second waterproof block 74; the cover main body 71 is arranged in a horizontal direction, and the edge of the cover main body 71 is vertical It extends straight down to form an extension wall 72. The edge of the extension wall 72 extends horizontally outward to form a first waterproof block 73. The second waterproof block 74 is stacked above the first waterproof block 73; the waterproof groove 75 is provided on the first waterproof block 73. In the overlapping area of a waterproof block 73 and the second waterproof block 74, the notch direction is downward, and the depth of the waterproof groove 75 is not less than the height of the first waterproof block 73.

It can be seen that the cover 7 can not only shield the motor 63 to prevent ice slag from falling into the motor 63, but also can effectively block the accumulated water outside the waterproof flange 1211 to prevent the accumulated water from flowing into the second accommodating cavity 12 and affecting the motor 63.

Further, a sealing ring 14 is provided on the peripheral side of the door body 1, the heating wire 13 is arranged around the sealing ring 14, and a first gap 15 is formed between at least part of the sealing ring 14, and the other end of the end hole of the first drain pipe 8 is arranged in the first Within a gap of 15.

As shown in Figures 8 and 9, the first accommodating cavity 11 is provided with a matching small door (not shown in the figure). The small door can close the first accommodating cavity 11 to seal it, thereby sealing the first accommodating cavity 11 11 The internal freezing space is separated from the outside refrigeration space; the sealing ring 14 extends along the periphery of the opening of the first accommodating cavity 11. After the small door is closed, the sealing ring 14 is close to the small door to ensure that the small door and the first The sealing performance of the accommodating cavity 11 prevents cold air from being connected in series. The heating wire 13 is arranged around the outer circumference of the sealing ring 14 and forms several gaps with the sealing ring 14. The end hole of the first drain pipe 8 is arranged in the first gap 15, that is, the end hole of the first drain pipe 8 is arranged in the sealing ring Between 14 and the heating wire 13, condensation can be effectively suppressed in the first drain pipe 8.

Preferably, the heating wire 13 surrounds the end hole of the first drain pipe 8 in an arc shape, which can expand the heated area and greatly suppress condensation.

Further, the ice crushing device further includes an ice outlet channel 9 connecting the ice crushing bucket 4 and the outside of the door body 1; the side wall 6233 of the ice outlet channel 9 is provided with a second drain pipe 10 communicating with the ice outlet channel 9, and the second drain The other end hole of the tube 10 is exposed to the refrigerating compartment 2 and is arranged close to the heating wire 13.

Furthermore, the heating wire 13 and the sealing ring 14 also form a second gap 16, and the other end hole of the second drain pipe 10 is arranged in the second gap 16.

As shown in Figures 11 and 12, the ice crushing device also includes an ice outlet channel 9, which communicates with the ice crushing bucket 4 and the outside of the door 1, and transports ice cubes to the outside of the refrigerator to facilitate the user to take ice; A second drain pipe 10 is provided on the side wall 6233 of 9 and the other end hole of the second drain pipe 10 is also exposed to the refrigerating compartment 2 and is close to the heating wire 13, that is, in the second gap formed by the heating wire 13 and the sealing ring 14. Within 16.

Therefore, when the water injection procedure of the refrigerator ice maker is abnormal, which results in continuous water injection or large water accumulation in the crushed ice bucket 4, since the first accommodating cavity 11 is sealed by the small door and the sealing ring 14, the ice outlet channel 9 is removed The ice cover (not shown in the figure) is sealed, and the accumulated water will accumulate in the ice outlet channel 9 and spread to the first accommodating cavity 11. At this time, the second drain pipe 10 can drain the accumulated water to prevent the accumulated water from entering The first accommodating cavity 11 causes damage to the motor 63; at the same time, it also prevents the accumulated water from flowing to the cabinet along the air duct of the refrigerator after the water level rises, thereby causing damage to the evaporator in the cabinet.

Preferably, the second drain pipe 10 is arranged at the top of the ice outlet channel 9 to quickly discharge the accumulated water spreading into the first accommodating cavity 11 in time.

Further, a third drain pipe 11 connected to the first accommodating cavity 11 is provided at the bottom of the first accommodating cavity 11, and the other end hole of the third drain pipe 11 is exposed to the down air duct 3 on the door 1.

As shown in Figures 13 and 14, the bottom of the first accommodating cavity 11 is further provided with a third drain pipe 11, and the third drain pipe 11 communicates with the first accommodating cavity 11 and the down duct 3 provided on the refrigerator door 1 Therefore, the accumulated water accumulated in the first accommodating cavity 11 is further discharged, and damage caused by the accumulated water entering the evaporator is prevented.

In order to achieve one of the objectives of the above-mentioned invention, the present invention also provides a refrigerator including a door body 1 and an ice crushing device. The ice crushing device is arranged on the door body 1 so that the user can easily take ice from the outside of the door body 1.

In summary, the ice crushing device and the refrigerator provided by the present invention improve the transmission mode of the motor 63. The cover 7 prevents ice slag and water from entering the motor 63 in the ice crushing process from entering the motor 63 and affecting the motor 63. A drain pipe drains the water that may appear as soon as possible, which solves the problems of the low transmission efficiency of the ice maker in the refrigerator, the gear sticking easily caused by crushed ice, and the damage to the motor 63 and the evaporator due to the accumulation of water, thereby improving the refrigerator’s performance. Ease of use.

It should be understood that although this specification is described in accordance with the implementation manners, not each implementation manner only includes an independent technical solution. This narration in the specification is only for clarity, and those skilled in the art should regard the specification as a whole. The technical solutions in the embodiments can also be appropriately combined to form other embodiments that can be understood by those skilled in the art.

The series of detailed descriptions listed above are only specific descriptions of feasible implementations of the present invention, and are not intended to limit the scope of protection of the present invention. Any equivalent implementations or changes made without departing from the technical spirit of the present invention All should be included in the protection scope of the present invention.

Claims

An ice crushing device arranged on a door body of a refrigerator, wherein the door body is provided with a first accommodating cavity and a second accommodating cavity with an opening;

The ice crushing device includes: a crushing ice bucket arranged in the first accommodating cavity, a cutter head arranged in the crushing ice bucket, and a driving unit at least partially arranged in the second accommodating cavity, The driving unit includes: a driving rod connected to the cutter head and driving the cutter head to rotate in the crushed ice bucket, a gear set connected to and acting on the driving rod, and used to drive the gear set Running motor;

Wherein, the edge of the door body is provided with a heating wire;

The ice crushing device further includes: a cover for sealing the opening of the second accommodating cavity so that the second accommodating cavity is formed as a sealed space, and connecting the second accommodating cavity and the refrigerator compartment The first drain;

The cover plate and the opening are connected in a sealed manner through mutually matched waterproof flanges and waterproof grooves;

One of the end holes of the first drain pipe is arranged at the bottom of the second accommodating cavity, and the other end of the end hole is exposed to the refrigerating compartment and is arranged close to the heating wire.
The ice crushing device according to claim 1, wherein the gear set comprises:

A first gear sleeved on the outer circumference of the ice crushing bucket and a second gear that meshes with the first gear to indirectly drive the cutter head to rotate;

Wherein, the first gear is provided at the upper end of the ice crushing bucket and is coaxial with the drive rod, the central axis of the second gear is parallel to the drive rod, and the motor drives the second gear to rotate .
The ice crushing device according to claim 2, wherein the gear set further comprises:

A connection box fixedly arranged in the first accommodating cavity, the connection box comprising: a first box body accommodating a first gear and a second box body accommodating a second gear and connected to the first box body;

The first box body and the second box body share a side wall, and at least part of the side wall is hollowed out to form a hollow part, and the first gear and the second gear mutually pass through the hollow part. Engagement connection.
The ice crushing device according to claim 3, wherein the second box body comprises an upper cover and a lower cover that are detachably arranged with each other, and the upper edge of the lower cover is lower than the upper edge of the first box body. The edge is arranged, and the second gear is arranged in an accommodation cavity formed between the upper cover and the lower cover.
The ice crushing device according to claim 1, wherein the upper edge of the opening constitutes the waterproof flange;

The cover includes a cover body, an extension wall extending from the edge of the cover body perpendicular to the opening direction, and a first waterproof block extending from the end of the extension wall away from the cover body , And a second waterproof block provided on the end surface of the first waterproof block facing away from the opening;

The waterproof groove is opened corresponding to the common part of the first waterproof block and the second waterproof block, and is opened on the end surface of the first waterproof block facing the opening;

The depth of the waterproof groove is not less than the height of the first waterproof block.
The ice crushing device according to claim 1, wherein a sealing ring is provided on the peripheral side of the door body, the heating wire is arranged around the sealing ring, and a first gap is formed between at least part of the sealing ring , The other end of the end hole of the first drain pipe is arranged in the first gap.
The ice crushing device according to claim 6, wherein the ice crushing device further comprises an ice outlet channel connecting the ice crushing bucket and the outside of the door;

The side wall of the ice outlet channel is provided with a second drain pipe communicating with the ice outlet channel, and the other end hole of the second drain pipe is exposed to the refrigerating compartment and is arranged close to the heating wire.
7. The ice crushing device according to claim 7, wherein the heating wire and the sealing ring further form a second gap, and the other end hole of the second drain pipe is arranged in the second gap.
The ice crushing device according to claim 1, wherein the bottom of the first accommodating cavity is provided with a third drain pipe communicating with the first accommodating cavity, and the other end hole of the third drain pipe is exposed to The downwind duct on the door body.
A refrigerator, characterized in that the refrigerator comprises a door body and the ice crushing device according to claim 1, and the ice crushing device is arranged on the door body.