KR101863241B1 - Apparatus for manufacturing ice - Google Patents

Abstract

Disclosed is an apparatus for manufacturing an ice. According to one embodiment of the present invention, the apparatus comprises: a water supplying unit supplying water for manufacturing an ice; a water receiver storing water supplied from the water supplying unit; an evaporator immersed in the water stored in the water receiver to cool the water; a rotary unit coupled to the water receiver so as to selectively rotate the water receiver; a coupler coupled to one side of the water receiver so as to rotate with the water receiver; and a clutch coupled to the rotary unit and connected to the coupler to deliver a rotary force to the water receiver or release the delivery.

Description

[0001] APPARATUS FOR MANUFACTURING ICE [0002]

BACKGROUND OF THE INVENTION 1. Field of the Invention [0001] The present invention relates to an ice making apparatus, and more particularly, to a ice making apparatus capable of preventing breakage of a water receptacle.

Generally, a water purifier includes a purified water tank for storing purified water, a cold water tank for storing the water supplied from the purified water tank in a cooled state at a predetermined temperature, a water tank for heating water supplied from the purified water tank to a predetermined temperature , A cooling member for cooling the water, and a heating member for heating the water. Then, the water stored in each tank can be supplied to the user through the intake port. In addition, the water purifier can have an ice-making function for manufacturing and supplying ice as well as cold water. In this case, the water purifier is provided with an ice-making device.

The ice making apparatus can be divided into an immersion type and a nozzle type according to the ice-making method. The immersion type is a method in which an evaporator is immersed in water contained in a water receptacle to produce ice or cold water, and then water is cooled to produce ice. The nozzle type is a method of spraying water into an evaporator through a water spray nozzle to produce ice .

Here, in the case of the ice-making apparatus of the conventional submerged type, the water receptacle is coupled to the motor and rotated to discharge the cooled ice. When the water stored in the water receptacle is cooled and the water receptacle is cooled and frozen, There is a problem that it can be broken. Further, since the water receiver is coupled to the main body by a screw or a fastening member such as a bolt and a nut, disassembly and assembly and replacement are not easy.

Korea Registered Patent Registration No: 10-0795293 (Date of Publication: January 15, 2008)

SUMMARY OF THE INVENTION Accordingly, the present invention has been made in view of the above problems, and it is an object of the present invention to provide an apparatus for manufacturing ice, which can prevent the water-holding member from being damaged during rotation of the rotating unit even if the water-

It is another object of the present invention to provide a device for manufacturing ice which can easily and easily attach and detach a water tray to a main body without depending on a fastening member.

According to one aspect of the present invention, there is provided a water supply unit for supplying water for ice making; A water receiver for storing water supplied from the water supply unit; An evaporator immersed in water stored in the water receiver to cool water; A rotating unit coupled to the water receiver to selectively rotate the water receiver; A coupler coupled to one side of the water receiver and rotating together with the water receiver; And a clutch coupled to the rotation unit and connected to the coupler for transmitting and releasing the rotational force of the rotation unit to and from the water receptacle.

In addition, it is possible to further include an elastic unit interposed between the clutch and the rotating unit, and when the water receiver is frozen by cooling, the clutch is pushed out of the coupler by the elastic unit.

The coupler includes: a coupling portion coupled to one side of the water receiver; And an insertion portion extending from the engaging portion and into which the clutch is inserted.

The insertion portion may be provided with a first gear tooth, and the clutch may be provided with a second gear tooth which may be engaged with the first gear tooth.

The first gear teeth may be formed such that the central portion protrudes and is inclined radially toward the edge from the protruding central portion.

Further, the second gear teeth may be formed such that the central portion is recessed and inclined radially toward the edge from the concave central portion.

A coupling protrusion may be formed on the coupling portion, and a coupling groove may be formed on one side of the water receiving portion to engage with the coupling protrusion.

The apparatus may further include a water-bearing support member provided inside the main body and coupled to the other side of the water-bearing.

The water-bearing support member may have an opening formed at one side thereof so that the water-bearing support can be attached and detached, and the water-bearing support member can be elastically deformed when the water-bearing is attached or detached through the opening.

Further, the water-bearing support member includes: a support body; An opening formed in the support body; And an elastic spring that is inserted into the opening and applies a resilience force to a fixing shaft coupled to the other side of the water receiver.

Embodiments of the present invention have an effect that it is possible to prevent breakage of the water tray when the rotating unit is rotated by the clutch even if the water tray is frozen.

In addition, there is an effect that the water receptacle can be easily and easily attached to and detached from the main body without depending on the fastening member.

1 is a side cross-sectional view of a water purifier equipped with an ice making device according to a first embodiment of the present invention.
2 is a front cross-sectional view illustrating a water tray at the time of ice making in a water purifier equipped with the ice making apparatus according to the first embodiment of the present invention.
3 is a front cross-sectional view illustrating a water receiver when ice is removed from a water purifier equipped with the ice making device according to the first embodiment of the present invention.
4 is a cross-sectional view of part A of Fig.
5 is a partially cutaway perspective view of a water purifier equipped with the apparatus for manufacturing ice according to the first embodiment of the present invention, in which a coupler and a clutch are separated.
6 is a perspective view of a water purifier equipped with an ice making apparatus according to a first embodiment of the present invention in which a water receiver is coupled to a water receiver supporting member.
Fig. 7 (a) is a cross-sectional view of the water receptacle coupled to the water receptacle supporting member in Fig. 6, and Fig. 7 (b) is a sectional view of the water receptacle separated from the water receptacle supporting member in Fig.
8 is an exploded perspective view of a water receiver and a coupler in a water purifier equipped with an ice making device according to a second embodiment of the present invention.
FIG. 9 is a cross-sectional perspective view of a water-bearing support member including an elastic spring in a water purifier equipped with the apparatus for manufacturing ice according to the third embodiment of the present invention.

Hereinafter, embodiments of the present invention will be described in detail with reference to the accompanying drawings. The terms and words used in the present specification and claims should not be construed as limited to ordinary or dictionary terms and the inventor may appropriately define the concept of the term in order to best describe its invention It should be construed as meaning and concept consistent with the technical idea of the present invention. Therefore, the embodiments described in the present specification and the configurations shown in the drawings are only the most preferred embodiments of the present invention and do not represent all the technical ideas of the present invention. Therefore, various alternatives It is to be understood that equivalents and modifications are possible.

In the drawings, the size of each element or a specific part constituting the element is exaggerated, omitted or schematically shown for convenience and clarity of description. Therefore, the size of each component does not entirely reflect the actual size. In the following description, it is to be understood that the detailed description of known functions and configurations incorporated herein will be omitted when it may make the subject matter of the present invention rather unclear.

The term " bond " or " connection, " as used herein, is intended to encompass a case in which one member and another member are directly or indirectly connected, And the like.

The terms " one side " and " other side " used in this specification may mean a specified side, or do not mean a specified side, but any side of a plurality of sides may be referred to as one side, And the other side is referred to as the other side.

The apparatus for manufacturing ice according to an embodiment of the present invention may be used alone or may be installed in various devices such as a water purifier or a water heater, and then used. Hereinafter, the case where the ice making apparatus is installed in the water purifier will be mainly described.

FIG. 1 is a side cross-sectional view of a water purifier equipped with the ice making device according to the first embodiment of the present invention. FIG. 2 is a perspective view of a water purifier equipped with the ice making device according to the first embodiment of the present invention. And FIG. 3 is a front sectional view showing a water receiver at the time of ice removal in a water purifier equipped with the ice making device according to the first embodiment of the present invention.

1 to 3, a water purifier 10 provided with an ice making apparatus 200 according to a first embodiment of the present invention includes a housing 100, a purified water tank (not shown) for storing purified water, A cold water tank (not shown) for storing the water supplied from the purified water tank (not shown) in a cooled state, a hot water tank (not shown) for heating and storing the water supplied from the purified water tank An ice maker 200 capable of cooling water supplied from a cold water tank (not shown) to produce cold water or ice 600, an ice reservoir 500 storing ice 600, And a grill 300 in which the ice 600 manufactured in the ice making apparatus 200 is transferred to the ice storage 500.

The purified water tank (not shown) stores water purified by various purification methods such as activated carbon adsorption, filtration, UF (Ultra Filter), NF (Nano Filter), RO (Reverse Osmosis) , And selectively supplies the stored water to a cold water tank (not shown) or a hot water tank (not shown). The water supplied from the purified water tank (not shown) to the cold water tank (not shown) or the hot water tank (not shown) can be controlled by the solenoid valve. That is, when the water level of the cold water tank (not shown) or the hot water tank (not shown) drops below a predetermined value, the solenoid valve is opened and the water stored in the purified water tank (not shown) flows into the cold water tank Hour). On the other hand, in the case of a water tank equipped with a fresh water tank, the above-mentioned purified water tank (not shown) can be replaced by a fresh water tank. In the case of directly using raw water such as tap water, It can be supplied directly to a cold water tank (not shown).

The cold water tank (not shown) stores cold water, and can supply cold water to the ice making apparatus 200 through the circulation pump and the supply passage. The cold water supplied from the cold water tank (not shown) to the water receiver 220 of the ice making apparatus 200 is frozen by the evaporator 230 to become the ice 600.

The hot water tank (not shown) may be configured such that the water supplied from the purified water tank (not shown) is heated through a conventional heating member (not shown) such as a hot wire, heated to a predetermined temperature, and stored. The hot water stored in the hot water tank (not shown) can be supplied to the user through the intake port.

The ice reservoir 500 may be configured to store the ice 600 manufactured in the ice making apparatus 200. The ice reservoir 500 can be installed on the lower side relative to the ice making apparatus 200 and the ice 600 manufactured from the ice making apparatus 200 can be installed by gravity, And can slide along the grill 300 and move to the ice reservoir 500. [0050]

The ice reservoir 500 is provided with a screw 400 for transferring the stored ice 600 to the ice outlet 110 and a motor 410 for rotating the screw 400 is coupled to the screw 400. However, the screw 400 does not necessarily have to be used for taking out the ice 600.

The grill 300 is located at a lower portion of the water receiver 220 and the grille 300 may have a perforation hole 310 having a diameter smaller than that of the ice 600. That is, since the ice 600, which is manufactured in the ice making apparatus 200, can not pass through the perforation hole 310, the ice 600 moves along the inclined surface of the grill 300 and flows into the ice storage 500, The ice 600 introduced into the ice bank 500 and stored may be provided to the user through the ice outlet 110. The ice falling in the ice making apparatus 200 and falling down can be guided to the cold water tank (not shown) through the perforation hole 310.

FIG. 4 is a cross-sectional view of part A of FIG. 1, and FIG. 5 is a partially cutaway perspective view showing a separator of a coupler and a clutch in a water purifier equipped with the ice making device according to the first embodiment of the present invention.

1 to 5, the ice making apparatus 200 according to the first embodiment of the present invention includes a water supply unit 210, a water receiver 220, an evaporator 230, a rotation unit 240 , A coupler (250), and a clutch (260).

The water supply unit 210 supplies water to the water receptacle 220 through various methods for manufacturing the ice. For example, water may be supplied to the water receiving unit 220 by a pipe or the like connected to an external water supply source, or water may be directly supplied from the water tank through various channels or pipes, ). ≪ / RTI > The water supplied from the water supply unit 210 to the water receiving unit 220 is frozen by the evaporator 230 immersed in the water receiving unit 220. Here, the water supply unit 210 shown in FIG. 1 is only one example.

The water receiver 220 stores water supplied from the water supply unit 210 for the production of cold water or ice. The water receiver 220 may have various shapes in which a storage space is formed to store water. The water receiver 220 is installed on the upper portion of the grill 300 and can be rotated by a predetermined angle by the rotation unit 240.

The evaporator 230 is immersed in water stored in the water receiver 220 to cool the water. The evaporator 230 may include, for example, a refrigerant moving tube through which the refrigerant moves, and cools the water stored in the water trap 220 according to a normal refrigeration cycle, which is composed of a compressor, a condenser, and an inflator. Heat may be supplied to the evaporator 230 in various manners so that the ice 600 frozen by the evaporator 230 can be defrosted from the evaporator 230. For example, an electric heater can be installed in the evaporator 230 through the electric wire, and a part of the ice 600 can be melted by the heat supplied from the electric heater to the evaporator 230, .

The rotation unit 240 is coupled to the water receiver 220 to selectively rotate the water receiver 220. The rotation unit 240 may include various kinds of motors so that the water receiver 220 can rotate by a predetermined angle. A sensor can be coupled to the rotation unit 240, and the rotation angle can be adjusted by a sensor (not shown). 2). When the ice 600 is manufactured and the deicing ice is completed, the water pan 220 is rotated by the rotation unit 240 to rotate the water pan 220 (See FIG. 3), the ice 600, which is partially melted by the electric heater, falls toward the grill 300. As shown in FIG. The cold water may be dropped into the cold water tank through the perforation hole 310 of the grill 300 and the ice 600 may move along the inclined surface of the grill 300 and enter the ice reservoir 500.

On the other hand, when the water stored in the water receiver 220 is cooled by the ice making machine 200, the water receiver 220 and the coupler 250 may be cooled and freeze. At this time, if the rotation unit 240 rotates, the coupler 250 or the water receiver 220 may be damaged. In order to prevent this, the water receptacle 220 or the coupler 250 is cooled and the clutch 260 is pushed out of the coupler 250 when the water receptacle 220 or the coupler 250 freezes, have. This will be described below.

4 and 5, the coupler 250 is coupled to one side of the water receiver 220, coupled to the clutch 260 coupled to the rotation unit 240, and coupled to the rotation unit 240 And rotates together with the water receptacle 220. As shown in FIG.

The coupler 250 may include an engaging portion 251 and an inserting portion 253. The coupling portion 251 is coupled to the first coupling shaft 221 on one side of the water receiver 220. The coupling portion 251 may be coupled to the first coupling shaft 221 in various ways. For example, the coupling portion 251 may be a rod-shaped long member having various shapes, and the coupling portion 251 may be received and coupled to the receiving groove 222 of the first coupling shaft 221 . The insertion portion 253 may extend from the coupling portion 251 and may be formed with a hollow 254 to insert the clutch 260. If the coupler 250 is coupled to the clutch 260 and an excessive force is applied thereto, a gear may be formed inside the hollow 254 of the insertion portion 253 so that the clutch 260 is idle with respect to the coupler 250 , And a detailed description thereof will be described later.

The clutch 260 is coupled to the motor shaft 241 and rotates together with the rotation unit 240 when the rotation unit 240, for example, the rotation unit 240 is a motor. The clutch 260 is connected to the coupler 250 to transmit the rotational force of the rotation unit 240 to the water receiver 220 through the coupler 250 or to release transmission of the rotational force. The clutch 260 is formed with a gear so that it can be engaged with the gear of the coupler 250, and a detailed description thereof will be also described later.

The elastic unit 270 is interposed between the clutch 260 and the rotation unit 240 to provide an elastic force. Here, the elastic unit 270 may be various mechanisms or devices having elasticity, for example, a coil spring.

Referring to FIG. 5, a first gear tooth 255 may be formed in the hollow 254 of the insertion portion 253 of the coupler 250. The first gear teeth 255 can be formed in a variety of ways, for example, such that the center portion 257 protrudes and radially protrudes from the protruding central portion 257 toward the edge 258. At this time, each gear tooth 256 may be formed to be inclined from the central portion 257 toward the edge 258. That is, the center portion 257 may protrude and the height may decrease toward the edge 258.

The clutch 260 may be provided with a second gear tooth 261 corresponding to the first gear tooth 255 so as to be coupled to the first gear tooth 255. The second gear teeth 261 can be formed in a variety of ways, for example, such that the center portion 267 is concave and radially directed from the concave center portion 267 to the edge 268. At this time, each of the gear teeth 266 may be formed to be inclined from the central portion 267 toward the edge 268. That is, the center portion 267 may have a concave shape and a height higher toward the edge 268.

On the other hand, each gear tooth 256 of the first gear tooth 255 can be formed as a smooth curved surface so that engagement with the second gear tooth 261 can be released, Each gear tooth 266 may also be formed as a smooth curved surface so that engagement with the first gear tooth 255 can be released if necessary. The clutch 260 is connected to the first gear teeth 255 formed on the coupler 250 so that the rotational force from the rotation unit 240 can be transmitted to the water receiver 220 through the coupler 250. [ The gear teeth 256 and the gear teeth 266 of the second gear teeth 261 formed on the clutch 260 rotate in engagement with each other. Thereby, the water receiver 220 can be rotated at a predetermined angle. When water stored in the water receiver 220 is cooled to freeze the water receiver 220 or the coupler 250 as described above, the clutch 260 is rotated with the clutch 260 to prevent the water receiver 220 or the coupler 250 from being damaged. The unit 240 is idle about the water receiver 220 or the coupler 250. The inclined portion 269 of the gear teeth 266 of the second gear teeth 261 formed on the clutch 260 is engaged with the first gear teeth formed on the coupler 250 The clutch 260 moves along the inclined portion 259 of the gear teeth 256 of the clutch 260 and the elastic unit 270 is interposed between the clutch 260 and the rotation unit 240. At this time, The clutch 260 is rotated while the coupler 250 is maintained in the fixed state. At this time, the inclined portion 269 of the gear teeth 266 of the second gear tooth 261 is easily moved along the inclined portion 259 of the gear teeth 256 of the first gear tooth 255, The respective gear teeth 256 of the gear 255 and the gear teeth 266 of the second gear tooth 261 may be formed into smooth curved surfaces.

When the water receptacle 220 or the coupler 250 is frozen, the clutch 260 is pushed toward the rotation unit 240 from the coupler 250 and rotates. Thus, the rotational force of the rotation unit 240 is transmitted to the coupler 250 The damper 220 or the coupler 250 can be prevented from being damaged even if the damper 220 or the coupler 250 is frozen.

FIG. 6 is a perspective view of a water purifier equipped with an apparatus for manufacturing ice according to a first embodiment of the present invention, in which a water receiver is coupled to a water receiver support member, FIG. 7 (a) And Fig. 7 (b) is a sectional view of the state in which the water receiver is separated from the water receiver support member in Fig.

As described above, one side of the water receiver 220 is coupled to the rotating unit 240 through the coupler 250 and the clutch 260. The other side of the water receiver 220 is coupled to and supported by a water receiver supporting member 280a provided inside the body.

6 and 7, the water-bearing support member 280a has a hollow portion 281 formed at its center portion and an open portion 282 formed at one side thereof. The second connection shaft 225 of the water receiver 220 is attached and detached through the opening 282 formed in the water receiver support member 280a. Here, the water-bearing support member 280a may be made by injection molding using a material such as plastic to have elasticity. That is, when the second connection shaft 225 on the other side of the water receiver 220 is pressed against the water receiver support member 280a through the opening 282 of the water receiver support member 280a and the water receiver support member 280a is elastically The second connection shaft 225 of the water receiver 220 can be inserted into the hollow 281 and seated. When the second connection shaft 225 of the water receiver 220 is separated from the water receiver support member 280a, the opening 282 of the water receiver support member 280a is elastically deformed and expanded, The connection shaft 225 can be separated from the water-bearing support member 280a.

In this manner, the user can attach and detach the water receiving chamber 220 to and from the water receiving member 280a without depending on the fastening member, so that the water receiving chamber 220 can be easily and easily attached to and detached from the main body.

Hereinafter, the operation and effects of the ice making apparatus 200 according to the first embodiment of the present invention will be described.

1 to 7, the water purifier 10 provided with the ice making apparatus 200 can purify and provide water, provide cold water or hot water, and provide and manufacture the ice 600. If the water receptacle 220 or the coupler 250 of the ice making machine 200 freezes, the water receptacle 220 or the coupler 250 may be damaged if the rotation unit 240 rotates. Therefore, The ice making apparatus 200 according to the first embodiment of the present invention includes a clutch 260 coupled with the coupler 250.

The coupler 250 having the first gear teeth 255 is coupled to the water receiver 220 and the clutch 260 having the second gear teeth 261 is coupled to the rotation unit 240, 255 and the second gear teeth 261 are engaged with each other and rotate. A resilient unit 270 such as a spring is interposed between the clutch 260 and the rotation unit 240.

The rotating force of the rotating unit 240 is transmitted to the water tray 220 through the second gear teeth 261 of the clutch 260 and the first gear teeth 255 of the coupler 250. [ The inclined portion 269 of the gear teeth 266 of the second gear teeth 261 is rotated by the first gear teeth 255 of the gear teeth 220 when the water receptacle 220 or the coupler 250 freezes, The clutch 260 is pushed from the coupler 250 and the elastic unit 270 is elastically deformed and contracted while the clutch 260 moves along the inclined portion 259 of the gear teeth 256 of the clutch 260, It is idle. This prevents the rotation of the rotating unit 240 from being transmitted to the coupler 250 and the water tray 220 so that the water tray 220 and the coupler 250 can be damaged when the water tray 220 or the coupler 250 freezes. .

Since the second connection shaft 225 of the water receiver 220 can be attached to and detached from the water receiver support member 280a capable of elastically deforming, the water receiver 220 can be easily and easily attached to and detached from the main body.

8 is an exploded perspective view of a water receiver and a coupler in a water purifier equipped with an ice making device according to a second embodiment of the present invention.

Hereinafter, the operation and effects of the ice making apparatus 200 according to the second embodiment of the present invention will be described with reference to the drawings, and the description and the effects of the ice making apparatus 200 according to the second embodiment of the present invention Is replaced with the above description.

In the second embodiment of the present invention, the coupling protrusion 252 is formed on the coupling portion 251 of the coupler 250, and the coupling groove 223 is formed on the first coupling shaft 221 on one side of the water receiver 220 Which is different from the first embodiment.

When the engaging portion 251 of the coupler 250 is inserted into the receiving groove 222 of the first connecting shaft 221 on one side of the water receiver 220, the engaging projection 252 of the engaging portion 251 of the coupler 250 Can be adjusted to be coupled to the coupling groove 223 of the first connection shaft 221 on one side of the water receiver 220. Although the pair of coupling protrusions 252 and the pair of coupling grooves 223 are shown in FIG. 8, the number of the coupling protrusions 252 and the coupling grooves 223 may vary.

Accordingly, there is an effect that the coupler 250 and the water receiver 220 can be coupled to each other in the correct direction at the correct position.

FIG. 9 is a cross-sectional perspective view of a water-bearing support member including an elastic spring in a water purifier equipped with the apparatus for manufacturing ice according to the third embodiment of the present invention.

Hereinafter, the operation and effect of the ice making apparatus 200 according to the third embodiment of the present invention will be described with reference to the drawings. In the ice making apparatus 200 according to the first and second embodiments of the present invention, Are replaced with the above description.

The third embodiment of the present invention is different from the first embodiment and the second embodiment in that the water-bearing support member 280b includes the elastic spring 285. [

In the third embodiment, the water-bearing support member 280b may include a support body 283, an opening 284, and an elastic spring 285. The support body 283 can be integrally or detachably coupled to the body and supports the water receptacle 220. The support body 283 may have various shapes as long as it can support the water receptacle 220 and may be made of various materials as long as it can have rigidity for supporting the water receptacle 220. The opening 284 is formed in the support body 283 and the second connection shaft 225 of the water receiver 220 may be directly inserted into the opening 284 or the second connection shaft 225 of the water receiver 220 may be inserted into the opening 284, A fixing shaft 286 coupled to the connecting shaft 225 may be provided to be inserted into the opening 284. The elastic spring 285 is inserted into the opening 284 and can be configured to apply an elastic restoring force to the fixed shaft 286.

When the user mounts the water receiver 220, the fixing shaft 286 coupled to the second connection shaft 225 on the other side of the water receiver 220 is inserted into the opening 284, The first connection shaft 221 is connected to the rotation unit 240 at one side thereof. When the water receiver 220 is placed, the water receiver 220 can be fixed and supported on both sides by the elastic recovery force of the elastic spring 285. When the user disassembles the water receptacle 220, the water receptacle 220 is pulled so that the elastic spring 285 is retracted to separate the first connection shaft 221 at one side of the water receptacle 220 from the rotation unit 240 And then the second connection shaft 225 on the other side of the water receiver 220 is taken out from the opening 284.

Thereby, the user can easily and easily attach and detach the water receptacle 220 to the main body without depending on the fastening member.

While the present invention has been particularly shown and described with reference to exemplary embodiments thereof, it is to be understood that the invention is not to be limited to the details thereof and that various changes and modifications will be apparent to those skilled in the art. And various modifications and variations are possible within the scope of the appended claims.

10: Water purifier 100: Housing
110: ice outlet 200: ice making device
210: water supply unit 220:
221: first connecting shaft 222: receiving groove
223: coupling groove 225: second coupling axis
230: Evaporator 240: Rotation unit
241: motor shaft 250: coupler
251: engaging portion 252: engaging projection
253: insertion portion 254: hollow
255: First gear tooth 256: Gear teeth
257: center 258: edge
259: inclined portion 260: clutch
261: Second gear tooth 266: Gear teeth
267: center 268: edge
269: inclined portion 270: elastic unit
280: water receiving member 281: hollow
282: opening part 283: supporting body
284: opening 285: elastic spring
286: Fixed shaft 300: Grille
310: Perforation hole 400: Screw
410: motor 500: ice storage
600: Ice

Claims (10)

A water supply unit for supplying water for ice production;
A water receiver for storing water supplied from the water supply unit;
An evaporator immersed in water stored in the water receiver to cool water;
A rotating unit coupled to the water receiver to selectively rotate the water receiver;
A coupler coupled to one side of the water receiver and rotating together with the water receiver; And
And a clutch coupled to the rotation unit and connected to the coupler for transmitting and releasing the rotational force of the rotation unit to the water receiver,
Further comprising an elastic unit interposed between the clutch and the rotating unit,
Wherein when the water receiver is frozen by cooling, the clutch is pushed away from the coupler by the elastic unit,
The coupler
A coupling unit coupled to one side of the water receiver; And
And an insertion portion extending from the engaging portion and into which the clutch is inserted,
A first gear gear is formed on the insertion portion, a second gear gear that can be engaged with the first gear gear is formed on the clutch,
The first gear teeth
The center portion is protruded and formed so as to be radially inclined so that the height decreases from the protruding central portion towards the edge,
The second gear gear
The center portion being concave and being formed so as to be radially inclined so that the height becomes higher toward the edge from the concave center portion,
Wherein the second gear tooth has a curved surface formed along an edge thereof. delete delete delete delete delete The method according to claim 1,
Wherein an engaging projection is formed in the engaging portion and an engaging groove is formed in one side of the water receiving portion to engage with the engaging projection. The method according to claim 1,
Further comprising: a water-bearing support member provided inside the main body and coupled to the other side of the water-bearing. 9. The method of claim 8,
Wherein the water-bearing support member is provided with an opening at one side thereof so that the water-bearing support can be attached and detached, and is elastically deformable when the water-bearing is detached and attached through the opening. 9. The method of claim 8,
The water-
A support body;
An opening formed in the support body; And
And an elastic spring inserted into the opening and applying elastic recovery force to a fixing shaft coupled to the other side of the water receiving surface.

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