KR20220126400A - Ice making device having wheel cup for water and refrigerator including the same - Google Patents

Abstract

In accordance with the present invention, provided are an ice maker provided with an ice making water supply unit and a refrigerator including the same. The ice maker, which is mounted on a cooling base body, includes: an ice maker body; an ice making tray mounted to be rotatable on one side of the ice maker body, while including an upper tray and a lower tray forming an ice-making groove in which ice-making water is stored, and detachably coupled with each other; an ice making guide unit guiding the supply of the ice making water to the ice making tray; a driving box having at least one driving unit formed therein to provide a rotation force to rotate the ice making tray; a rotation guide member mounted to transfer the rotation force of the driving unit to the ice making tray and to enable translational and rotational movements of the lower tray; and an ice making water supply unit placed to be rotatable on one side of the ice making tray, and supplying the ice making water to the ice making water guide unit through the rotation guide member. Therefore, the present invention is capable of making transparent ice kept in a circular shape for a relatively long time.

Description

An ice maker equipped with an ice-making water supply unit and a refrigerator including the same

The present invention relates to an ice maker equipped with an ice-making water supply unit and a refrigerator including the same.

BACKGROUND ART In general, a refrigerator is a device for storing food at a low temperature to prevent deterioration of food at room temperature. Recently, a product equipped with an ice maker for a refrigerator that is provided in a refrigerator and provides ice to a user separately from food has been released.

An ice maker for a refrigerator includes an ice-making tray having a plurality of ice-making grooves for making ice of a predetermined size by receiving water automatically, an ice bank provided under the ice-making tray to store ice transferred by an icing motor, and the ais bank It is mounted on one side of the driving unit for driving to transport the ice.

Here, there may be two methods for icing the ice made on the ice tray, and after the ice tray itself is twisted using the above-described icing motor to separate the ice made from the ice making groove, the ice below the ice tray A twist type that drops into a bank and a separate ice ejector is used to separate ice from the ice-making groove by applying a predetermined amount of ice heat to the ice-making tray made of metal by using an ice heater to make ice. This is a heater type that pushes one side of the tray and drops it into the ice bank below it.

Recently, various shapes, such as a round shape, for cocktails, etc. are required, and a problem such as agglomeration of ice while the ice is stored in an ice box occurs, and a circular shape that can reduce the contact area between ices Demand for ice and transparent ice is on the rise.

Republic of Korea Patent Publication No. 10-0299243 (published on June 7, 2001)

The present invention has been devised to solve the above technical problem, and by improving the ice-making tray of the twist-type ice maker to a specific structure, the ice can be easily transferred. To provide an ice maker equipped with an ice-making water supply unit capable of making ice into transparent ice capable of maintaining a circular ice state for a relatively long time by delaying the melting rate of ice under the same conditions for aesthetics, and a refrigerator including the same for that purpose

The problems of the present invention are not limited to the problems mentioned above, and other problems not mentioned will be clearly understood by those skilled in the art from the following description.

An ice maker equipped with an ice-making water supply unit according to an embodiment of the present invention comprises:

ice machine body;

an ice-making tray rotatably mounted on one side of the ice maker body, the ice-making tray having an ice-making groove for receiving ice-making water and including an upper tray and a lower tray that are detachably coupled to each other;

an ice-making water guide unit for guiding supply of ice-making water to the ice-making tray;

a driving box provided with at least one driving unit providing rotational force to rotate the ice-making tray;

a rotation guide member that transmits the rotational force of the driving unit to the ice-making tray and is mounted to enable translational and rotational movement of the lower tray;

and an ice-making water supply unit that is rotatably disposed on one side of the ice-making tray and supplies the ice-making water to the ice-making water guide unit by the rotation guide member.

In one example of the present invention, a water supply hole may be formed in an upper portion of the upper tray to introduce the ice-making water, and one side of the ice-making water inducing part may be inserted into the water supply hole.

In one example of the present invention, the ice-making water inducing part may be formed in a shape in which interference due to rotation of the ice-making water supply part does not occur.

In one example of the present invention, the ice-making water inducing unit comprises:

an insertion communication part inserted into the water supply hole; and

A curved portion formed in a curved shape to a predetermined length from the insertion communication portion; including,

At least a portion of the uppermost portion of the curved portion may be formed to have a different height from the insertion communication portion.

In an example of the present invention, an external water supply source to which the ice-making water is supplied may be disposed on one side of the ice-making water supply unit, and the ice-making water supply unit may extend to a position of the external water supply source.

In one example of the present invention, the ice-making water supply unit may have a partition wall so that the ice-making water supplied from the external water supply source is spatially separable.

In one example of the present invention, the ice-making water inducing part and the ice-making water supply part may be detachably provided from the ice maker body.

In one example of the present invention, the rotation guide member,

The rotation guide member,

a central axis of rotation connected to the axis of rotation of the driving unit and formed to extend;

a rotation hinge shaft extending parallel to one side of the rotation center shaft and mounted to be translationally or rotationally movable;

at least one first link member having at least one side coupled to the rotation center shaft and the rotation hinge shaft;

at least one second link member having at least one side coupled to the rotation center shaft and the rotation hinge shaft and movably mounted in association with the rotation hinge shaft; and

and at least one third link member connected to the rotation hinge shaft and the lower tray to be movably mounted in association with the rotation hinge shaft.

In one example of the present invention, guide holes may be formed in the first link member so that both ends of the rotary hinge shaft are movable.

Here, in one example of the present invention, the guide hole may include: a first guide hole formed in an up-down direction so that the rotation hinge shaft can be translated; and

and a second guide hole branched from the first guide hole and formed in a curved shape.

In one example of the present invention, the lower tray may further include a fastening extension formed for fastening with the third link member.

In one example of the present invention, a fastening rib is formed in the fastening extension part, and one side of the third link member may be coupled to the fastening rib in a screw fastening manner.

In one example of the present invention, the rotation guide member may be continuously translated and rotated with respect to the ice-making tray.

In one example of the present invention, the central axis of rotation may be formed to be eccentric to one side of the lower tray.

In an example of the present invention, a water supply hole may be formed in the upper tray to supply ice-making water to the ice-making groove.

In one example of the present invention, the ice-making groove of the ice-making tray may have a circular or oval cross-section.

In one example of the present invention, the height of the end of the lower tray may be the same as the height of the end of the upper tray with respect to the ground or formed to be longer in the upward direction.

In one example of the present invention, the driving unit may have a structure operated by an automatic or manual lever.

In one example of the present invention, a sealing portion providing sealing force may be formed at a contact portion between the upper tray and the lower tray.

In one example of the present invention, a water supply unit for supplying ice making water to the ice making groove may be formed on one side of the ice machine body.

An ice maker according to an embodiment of the present invention comprises:

ice machine body;

an ice-making tray rotatably mounted on one side of the ice maker body, the ice-making tray having an ice-making groove for receiving ice-making water and including an upper tray and a lower tray that are detachably coupled to each other;

a driving box provided with at least one driving unit providing rotational force to rotate the ice-making tray; and

and a heater unit formed on one side of the ice maker main body, the heater unit being in close contact with at least one side of the lower tray when the lower tray is rotated by the operation of the driving unit.

In one example of the present invention, the heater unit may be formed with a pressure support for supporting the heater unit.

In an example of the present invention, the heater unit may be formed on an upper tray of the ice-making tray.

In an example of the present invention, an ice-making water guide unit for guiding the ice-making water is provided on one side of the ice-making tray; and

The method may further include an ice-making water supply unit that is rotatably disposed on one side of the ice-making tray and supplies the ice-making water to the ice-making water guide unit by the rotation guide member.

In one example of the present invention, the ice-making water guide part may be provided with a fixing coupling part for pressurizing and fixing the ice-making water tray to the upper tray of the ice-making tray.

In one example of the present invention, a plurality of heater units may be formed in close contact with the upper tray of the ice-making tray.

In one example of the present invention, a rotation guide member that transmits the rotational force of the driving unit to the ice-making tray and is mounted to enable translational and rotational movement of the lower tray; includes,

The rotation guide member,

a central axis of rotation connected to the axis of rotation of the driving unit and formed to extend;

a rotation hinge shaft extending parallel to one side of the rotation center shaft and mounted to be translationally or rotationally movable;

at least one first link member having at least one side coupled to the rotation center shaft and the rotation hinge shaft;

at least one second link member having at least one side coupled to the rotation center shaft and the rotation hinge shaft and movably mounted in association with the rotation hinge shaft; and

and at least one third link member connected to the rotation hinge shaft and the lower tray to be movably mounted in association with the rotation hinge shaft.

In one example of the present invention, guide holes may be formed in the first link member so that both ends of the rotary hinge shaft are movable.

Here, in one example of the present invention, the guide hole may include: a first guide hole formed in an up-down direction so that the rotation hinge shaft can be translated; and

and a second guide hole branched from the first guide hole and formed in a curved shape.

In one example of the present invention, the lower tray may further include a fastening extension formed for fastening with the third link member.

In one example of the present invention, a fastening rib is formed in the fastening extension part, and one side of the third link member may be coupled to the fastening rib in a screw fastening manner.

In one example of the present invention, the rotation guide member may be continuously translated and rotated with respect to the ice-making tray.

An ice maker according to an embodiment of the present invention comprises:

ice machine body;

an ice-making tray rotatably mounted on one side of the ice maker body, the ice-making tray having an ice-making groove for receiving ice-making water and including an upper tray and a lower tray that are detachably coupled to each other;

an ice-making water guide unit for guiding the ice-making water to the ice-making tray;

a driving box provided with at least one driving unit providing rotational force to rotate the ice-making tray;

a rotation guide member connected to the rotation center shaft of the driving box to transmit the rotational force of the driving unit to the ice-making tray;

an ice-making water supply unit rotatably disposed on one side of the ice-making tray and supplying the ice-making water to the ice-making water guide unit by the rotation guide member; and

It may include; a link member connecting one side of the ice-making water supply unit and the central axis of rotation of the driving box.

In one example of the present invention, a circular rotation guide plate is formed on the ice-making water supply unit about a rotation axis, and one side of the link member may be rotated clockwise or counterclockwise on the rotation guide plate.

In one example of the present invention, the link member,

a first auxiliary link having one side connected to the rotation guide plate and rotating; and

and a second auxiliary link connected to the first auxiliary link.

In one example of the present invention, here, an elastic member for providing a predetermined elastic force may be interposed between the second auxiliary link and the central axis of rotation of the driving box and the second auxiliary link.

In one example of the present invention, the rotation guide member may be mounted to transmit the rotational force of the driving unit to the ice-making tray and to enable translational and rotational movement of the lower tray.

Meanwhile, the present invention provides a refrigerator including the ice maker.

According to an embodiment of the present invention, an ice maker including an ice maker equipped with an ice water supply unit and a refrigerator including the same can easily transfer ice made by improving the ice tray of the twist type ice maker to a specific structure, and through this Although the shape of the ice is circular, it visually gives an aesthetic feeling, and by allowing the melting rate of ice to be delayed under the same conditions, it provides the effect of making ice with transparent ice that can maintain a circular ice state for a relatively long time.

1 is a perspective view showing the interior of a refrigerator equipped with an ice maker according to an embodiment of the present invention;
2 is a perspective view of a twist-type circular ice maker according to an embodiment of the present invention;
Figure 3 is a partial cross-sectional view of Figure 2,
4 and 5 are schematic cross-sectional views showing the operation of the rotary link member of the circular ice maker according to an embodiment of the present invention,
6 is a perspective view of a twist-type circular ice maker according to an embodiment of the present invention;
7 to 9 are views of a twist-type circular ice maker according to an embodiment of the present invention,
10 is a partial perspective view of an ice-making tray of a twist-type circular ice maker according to an embodiment of the present invention;
11 is a partial cross-sectional view of a twist-type circular ice maker according to an embodiment of the present invention;
12 is an operation state diagram illustrating an ice-moving process of a twist-type circular ice maker according to an embodiment of the present invention;
13 and 14 are partial cross-sectional views of a twist-type circular ice maker according to various embodiments of the present invention;
15 and 16 are views showing the structure of the link member of the rotation guide member according to an embodiment of the present invention,
17 is a schematic cross-sectional view illustrating an operation of a rotary link member of a circular ice maker according to an embodiment of the present invention.

Hereinafter, a specific embodiment of the present invention will be described in detail with reference to the accompanying drawings. In adding reference numerals to the components of each drawing, it should be noted that the same components are given the same reference numerals as much as possible even though they are indicated on different drawings. In addition, in describing the embodiment of the present invention, if it is determined that a detailed description of a related known configuration or function interferes with the understanding of the embodiment of the present invention, the detailed description thereof will be omitted.

In describing the components of the embodiment of the present invention, terms such as first, second, A, B, (a), (b), etc. may be used. These terms are only for distinguishing the elements from other elements, and the essence, order, or order of the elements are not limited by the terms. In addition, unless otherwise defined, all terms used herein, including technical or scientific terms, have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. Terms such as those defined in commonly used dictionaries should be interpreted as having a meaning consistent with the meaning in the context of the related art, and should not be interpreted in an ideal or excessively formal meaning unless explicitly defined in the present application. does not

1 is a perspective view showing the interior of a refrigerator equipped with an ice maker according to an embodiment of the present invention.

Referring to FIG. 1 , a refrigerator 1 may include a cabinet forming a storage compartment with an open front, and at least one door 8 and 9 for opening and closing the opened front of the storage compartment.

The storage compartment may include at least one of a refrigerating compartment storing food in a refrigerated state and a freezing compartment storing food in a frozen state. The refrigerator 1 of this embodiment is illustrated as including both the refrigerating compartment and the freezing compartment, and the refrigerating compartment may be provided above the freezing compartment.

The doors 8 and 9 may include a refrigerating compartment door 8 for opening and closing the refrigerating compartment and a freezing compartment door 9 for opening and closing the refrigerating compartment. The refrigerating compartment door 8 is provided in two pieces arranged to the left and right of each other. The left refrigerating compartment door 8 can open and close the left side of the refrigerating compartment, and the right refrigerating compartment door 8 can open and close the right side of the refrigerating compartment. can

The ice box may be installed in the storage compartment of the refrigerator 1 . The ice box may be disposed below the ice maker 100 . The ice box may be formed in a cylindrical shape with an open upper side. The ice made by the ice maker 100 may be transferred from the ice maker 100 to the ice box, and may be accommodated and stored in the ice box.

An auger may be disposed in the ice box. The auger may be rotatably installed in the ice box in a circumferential direction. Both ends of the auger may be rotatably coupled to both sides of the ice box, respectively. A spiral groove may be formed on the outer peripheral surface of the auger. When the auger rotates, the ice stored in the ice box may be transferred to the outside of the ice box through the spiral groove. The auger may be rotated by a driving force of an auger motor installed on one side of the ice box.

The ice maker 100 may be installed in at least one of the refrigerating compartment and the freezing compartment. In the refrigerator 1 of this embodiment, the ice maker 100 may be installed in the upper left side of the refrigerating compartment.

The ice maker 100 may receive ice-making water from the refrigerator 1 and convert the ice-making water into ice by the cold air supplied to the storage chamber from the freezing cycle of the refrigerator 1 to manufacture the ice. .

The ice maker 100 according to the present embodiment may include a heater type and a twist type depending on the type of ice-removing the ice.

Here, the twist type ice maker among the ice makers according to an embodiment of the present invention includes a driving unit 50 in which at least one gear is interposed, and a plurality of ice making grooves 15 provided at one side of the driving unit 50 . It may include an ice-making tray 200 composed of a pair of upper trays 210 and lower trays 220 forming the .

In the driving box 110 of the ice maker 100 , a plurality of electric components including a driving motor for driving the driving unit 50 , a gear, and the like may be accommodated. The driving unit in the driving box 110 may be controlled to perform an operation through a control unit (not shown). As the lower tray 220 of the ice-making tray 200 is rotated by the driving force of the driving motor, the ice in the ice-making groove 15 may be removed.

The full ice detection unit (not shown) may be formed in a lever type rotatably provided in the driving box 110 . The full ice detection unit may include an optical sensor (not shown) including a light emitting unit and a light receiving unit. The signal detected by the full ice detector may be input to the controller, and the controller may determine whether the ice stored in the ice bank (not shown) is full through the signal input from the full ice detector. When the ice stored in the ice bank is in a full ice state, the controller may stop the supply of the ice-making water supplied to the ice-making groove 15 and stop the production of ice. Of course, if the ice stored in the ice bank is not in a full ice state, the controller may restart the production of the ice. The lifespan of the photosensor may be improved by configuring the photosensor to be activated only during regular or irregular full ice detection.

The heater-type ice maker and the twist-type ice maker may be classified according to the presence or absence of an ice heater (not shown) and whether the ice tray 200 is rotated to be twisted. In particular, the position of the driving motor disposed inside the driving box and the design of the gear set may be different depending on whether it is a heater type or a twist type.

In the case of a heater-type ice maker, when ice making is completed in the ice making groove 15 of the ice making tray 200 , the ice is removed by the ice heater that applies a predetermined heat to the ice making tray 200 , and then a plurality of ejectors are used. An ejector rod (not shown) provided with a pin (not shown) is rotated by an interlocking operation of a drive motor and a gear set provided inside the driving box 110, and the ejector pin is rotated to remove the ice from the lower part. It is driven to store into an ice storage container (not shown).

Also, in the case of the twist type ice maker according to the present invention, when the ice making of the ice water in the ice making groove 15 of the ice maker tray 200 is completed, the drive motor is driven and the gear set is interlocked and driven, and the gear The lower tray 220 of the ice-making tray 200 directly connected to any one of the gear shafts in the set is rotated in one direction and one end is twisted in an interfering operation, and the ice-making groove 15 is entered into the ice-making groove 15 by this twisting operation. Simultaneously with the ice being removed, the ice is dropped and stored in the ice storage container below the ice.

Hereinafter, the twist type ice maker 100 according to the present invention will be described in more detail with reference to the drawings.

2 is a perspective view of a twist-type circular ice maker according to an embodiment of the present invention, FIG. 3 is a partial cross-sectional view of FIG. 2, and FIGS. 4 and 5 are rotation link members of the circular ice maker according to an embodiment of the present invention. Schematic cross-sectional views showing the operation of

Referring to these drawings, the ice maker 100 according to the present invention includes an ice maker body 101 that forms the outer shape of the entire ice maker, an ice maker groove 15 that is rotatably mounted on one side of the ice maker body 101 and accommodates ice making water. An ice-making tray 200 composed of an upper tray 210 and a lower tray 220 to form the ice-making tray 200, an ice-making water guide unit 370 for guiding the supply of ice-making water to the ice-making tray 200, and the ice machine body 101 are accommodated. A driving box 110 in which a driving unit (not shown) providing a rotational force to rotate the ice-making tray 200 is formed, and a rotational force from a rotational central shaft 215 extending from the rotational shaft of the driving unit to the ice-making tray 200 . The rotation guide member 300 and the ice-making tray 200 are rotatably disposed on one side of the rotation guide member 300 and the ice-making tray 200 to be transferred to the lower tray 220 so as to enable translational and rotational movement of the lower tray 220 , and the ice-making water is provided by the rotation guide member 300 . An ice-making water supply unit 360 for supplying the ice-making water to the induction unit 370 may be included.

The ice maker body 300 may have a rectangular cross-section as a whole, and a space in which the ice maker body 101 can accommodate the ice maker 200 may be formed. Both ends of the ice-making tray 200 may be rotatably coupled to both sides of the inner circumferential surface of the ice maker body 101 . The driving box 110 in which the driving part, which the lower tray 220 of the ice maker 200 rotates, is installed may be disposed on the outer peripheral surface of the ice maker body 101 .

The ice-making tray 200 may include a pair of mutually detachable upper trays 210 and lower trays 220 . The shape of the upper tray 210 and the lower tray 220 of the ice-making tray 200 is not particularly limited as long as a circular ice-making groove 15 can be formed while being coupled to each other. It may be a structure coupled to each other. The ice-making grooves 15 may be formed in the shape of a pair of concave grooves spaced apart from each other in the longitudinal direction of the ice-making tray 200 , and preferably have a circular or oval cross-section. In addition, a fastening extension 230 coupled to the rotation guide member 300 may be formed on the lower tray 220 .

The ice-making water guide part 370 may be formed in a rotatable cap shape. The ice-making water inducing part 370 has a curved shape while increasing the diameter of the cross-section in an upward direction from the insertion communication part 371 and the insertion communication part 371 inserted into the water supply hole 212 of the upper tray 210 . It may be configured to include a curved portion 372 . The ice-making water induction unit 370 may be provided with a fixed link C having one side coupled to the central axis of rotation 215 and fixed thereto. As shown in FIG. 5 , the fixed link C may be rotatably mounted to support one side according to the rotation of the ice-making water supply unit 370 .

In this case, the ice-making water guide part 370 may be formed in a cone shape, and the height of the uppermost end of the curved part 372 may be different from the insertion communication part 371 . That is, according to the present invention, the curved part 372 of the ice-making water inducing part 370 is formed to have a predetermined inclination along the outermost periphery of the ice-making water supply part 360 , and the uppermost end of the curved part 372 is not interfered with the rotation radius of the ice-making water supply part 360 . The height may be formed to be relatively low.

The ice-making water supply unit 360 may be disposed on the upper side of the ice-making water induction unit 370 . An external water supply source W from which the ice-making water is supplied may be disposed above the ice-making water supply unit 360 . The ice-making water supply unit 360 may be rotatable in one direction by the operation of the rotation guide member 300 , which will be described later.

Here, the ice making water supply unit 360 has a partition wall 361 formed so that the ice making water supplied from the external water supply source W is spatially separable. In the case of flowing to the induction part 370 , it may be naturally supplied sequentially without overflowing to the outside.

The rotation guide member 300 may be connected to the rotation shaft of the driving unit of the driving box 110 and rotate around a rotation center shaft 215 extending in one direction. A link member 350 may be formed in the rotation guide member 300 to support one end portion of the ice-making water supply unit 360 and provide rotational force so that the ice-making water supply unit 360 rotates during rotation.

In some cases, a temperature sensor (not shown) for measuring the temperature of the ice maker 100 may be formed on one side of the ice maker 200 . Such a temperature sensor may be formed on the side of the upper tray 210 of the ice-making tray 200 or on the bottom surface of the lower tray 220 of the ice-making tray 200 , and may be formed at a position that does not interfere with the rotation of the ice-making tray 200 . In addition, a sealing member (not shown) may be formed between the upper tray 210 and the lower tray 220 of the ice-making tray 200 so that the ice-making water accommodated in the ice-making groove 15 does not leak to the outside during ice-making. .

In addition, according to the present invention, an ice full detection unit (not shown) formed on one side of the ice maker body 101 to detect full ice in an ice box (not shown), and an ice maker body 101 formed on one side of the ice maker body 101 . It may be configured to include a water supply unit (not shown) for supplying the ice-making water to the ice-making groove 15 . These drawings are shown as an example for explaining one embodiment, but the structure of the storage unit to which the ice is moved after the ice is manufactured and the Auger motor installed in the storage unit, the screw, and the ice box are not limited thereto. was omitted.

6 is a perspective view of a twist-type circular ice maker according to an embodiment of the present invention, FIGS. 7 to 9 are views of a twist-type circular ice maker according to an embodiment of the present invention, and FIG. 10 is an embodiment of the present invention A partial perspective view of an ice-making tray of a twist-type circular ice maker according to .

Referring to these drawings, as described above, the ice-making tray 200 according to the present invention may include a pair of upper tray 210 and lower tray 220 that are removably coupled to each other. Here, the fastening extension 230 may be formed in the lower tray 220 in a shape surrounding the outer circumferential surface. A pair of fastening ribs 231 may be extended to be screw-coupled to the third link member 320 of the rotation guide member 300 on the fastening extension part 230 . Accordingly, the ice-making tray 200 and the rotation guide member 300 may be operated in conjunction with each other in a state in which they are fastened to each other.

In the ice-making tray 200 according to the present invention, an ice-making groove 15 is formed while the upper tray 210 and the lower tray 220 are coupled, and the ice-making water is supplied to the upper tray 210 through the ice-making groove 15 . A water supply hole 212 may be formed so as to be possible.

The ice-making tray 200 may include a pair of upper tray 210 and lower tray 220 that are detachably coupled to each other as described above. Both ends of the upper tray 210 are fixed to the ice maker body 101, and the lower tray 220 is rotated vertically or in a predetermined direction from the upper tray 210 by the operation of the rotation guide member 300 coupled to one side. It can be spaced apart with radial translation and rotational movement. That is, the lower tray 220 of the ice-making tray 200 according to the present invention is naturally spaced apart from the upper tray 210 by avoiding collision due to friction by the rotation guide member 300 that is translated and rotated at predetermined intervals. can be

The rotation guide member 300 is connected to the rotation shaft of the driving unit installed in the driving box 110 to extend and extend in parallel to one side of the rotation central shaft 215 and the rotation central shaft 215 to move in the vertical direction. Alternatively, a pair of first link members 310 having one side coupled to both ends of the rotation hinge shaft 330 , the central rotation axis 215 and the rotation hinge shaft 330 , which are mounted rotatably and rotatably with a predetermined radius. ), the second link member 350 and the rotation hinge shaft ( The third link member 320 connected to the 330 and the lower tray 220 to be movably mounted in association with the rotary hinge shaft 330 may be included.

Here, the pair of first link members 310 of the rotation guide member 300 according to the present invention may be formed in a plate shape. Each of the first link members 310 has a first guide hole 311 and a first guide hole 311 formed in the vertical direction so that the rotation hinge shaft 330 can be translated in parallel in the vertical direction and branched downward. A second guide hole 312 formed in a curved shape may be formed.

That is, since the rotation hinge shaft 330 of the rotation guide member 300 is interlocked with the rotation center shaft 215 extending from one side of the driving box 110 and is arranged in parallel, the driving unit of the driving box 110 . As a result, both ends of the rotational hinge shaft 330 may move or rotate along the first guide hole 311 and the second guide hole 312 while the rotational central shaft 215 rotates.

In some cases, an electrode (not shown) is formed on one side of the upper tray 210 , so that it may be possible to control water supply by supplying voltage or changing capacitance. Although not shown in the drawings of the present invention, these electrode rods may be formed in a non-contact manner or in a connection manner extending into the ice-making tray 200 . As a specific example, it may be an unexposed electrostatic sensor (water level sensor), an exposed electrostatic sensor (water level sensor), or a energized sensor, but is not limited thereto.

Hereinafter, an operation process in which ice is formed in conjunction with the operation of the rotation guide member 300 coupled to the lower tray 220 of the ice-making tray 200 will be described. FIG. 10 shows an embodiment of the present invention. It is an operation state diagram showing the ice-moving process of the twist-type circular ice maker according to the following.

First, the upper tray 210 is fixed to the ice maker body 101 , and the lower tray 220 is coupled to the rotation guide member 300 and is rotatable about the central axis of rotation 215 . are tightly coupled. That is, the fastening rib 231 of the fastening extension 230 coupled to the lower tray 220 is bolted to the third link member 320 of the rotation guide member 300 , and the third link member 320 . is rotatably mounted on the first link member 310 in a form coupled to the rotation hinge shaft 330 . Also, an ice-making water guide unit 370 may be disposed on the upper tray 210 , and an ice-making water supply unit 360 may be rotatably disposed above the ice water guide unit 370 .

First, when ice making is performed to manufacture round ice, the ice making water may be supplied from the external water supply source W to the ice making groove 15 of the ice making tray 200 .

That is, when the ice-making water is supplied to the ice-making water supply unit 360 through the external water supply source (W), and the rotation center shaft 215 is rotated by the operation of the driving unit of the driving box 110 , the ice-making water supply unit 360 is rotated. ) may be supplied to the ice-making water inducing unit 370 . In this case, the lower portion of the ice-making water supply unit 360 among the uppermost ends of the ice-making water induction unit 370 is formed to have a relatively low height, so that rotation of the ice-making water supply unit 360 may prevent interference.

Accordingly, the ice-making water supplied to the ice-making water guide part 370 may be supplied to the ice-making groove 15 through the insertion communication part 371 connected to the water supply hole 212 .

According to the present invention, the ice-making water inducing unit 370 and the ice-making water supply unit 360 may be mounted or removed from the ice-making tray 200 and the ice-maker body 101 , respectively.

On the other hand, when the ice making is completed and the ice moving operation is performed, the third link member 320 of the rotation guide member 300 is coupled to the rotation hinge shaft 330 with the first guide hole of the first link member 310 . It moves vertically parallel to the downward direction along (311). At this time, one side of the second link member 350 connected to each of the rotation center shaft 215 and the rotation hinge shaft 330 is rotated along the second guide hole 312 of the first link member 310 . As a result, the lower tray 220 of the ice-making tray 200 rotates counterclockwise. The lower tray 220 may be moved while continuously performing translational movement, that is, vertical and rotational movement, so as to be separated from the upper tray 210 .

In the ice maker 100 according to the present invention, the process in which the lower tray 220 of the ice-making tray 200 is separated from the upper tray 210 during the ice-removing process is performed in parallel in the vertical direction, that is, translational and rotational movements are continuously performed. In the process of taking out circular ice having a relatively large size, interference caused by friction between the upper tray 210 and the lower tray 220 can be effectively prevented, and the large-sized circular ice moving operation can be performed more efficiently. can be made to be performed.

13 and 14 are partial cross-sectional views of a twist-type circular ice maker according to an embodiment of the present invention.

Referring to these drawings, the ice maker 100 according to the present invention includes an ice maker body 101 that forms the outer shape of the entire ice maker, an ice maker groove 15 that is rotatably mounted on one side of the ice maker body 101 and accommodates ice making water. An ice-making tray 200 composed of an upper tray 210 and a lower tray 220 to form, and a driving unit (not shown) accommodated in the ice maker body 101 and providing rotational force to rotate the ice-making tray 200 The heater unit is formed on one side of the driving box 110 and the ice maker body 101, and one side of the lower tray 220 is in close contact when the lower tray 220 of the ice-making tray 200 is rotated by the operation of the driving unit. (30) may be included.

In addition, in the present invention, a rotational guide member that transmits a rotational force from the rotational central shaft 215 extending from the rotational shaft of the driving unit to the ice-making tray 200 and is mounted to enable translational and rotational movement of the lower tray 220 . (300), an ice-making water inducing unit 370 connected to both end portions of the rotational central shaft 215 of the driving unit to receive ice-making water, and an ice-making water supplying unit 360 for supplying the ice-making water to the ice-making water inducing unit 370 . ) may be included. The ice-making water induction unit 370 may be provided with a fixed link C having one side coupled to the central axis of rotation 215 and fixed thereto. The fixed link C may be rotatably mounted to support one side according to the rotation of the ice-making water supply unit 370 .

The ice maker body 300 may have a rectangular cross-section as a whole, and a space in which the ice maker body 101 can accommodate the ice maker 200 may be formed. Both ends of the ice-making tray 200 may be rotatably coupled to both sides of the inner circumferential surface of the ice maker body 101 . The driving box 110 in which the driving part, which the lower tray 220 of the ice maker 200 rotates, is installed may be disposed on the outer peripheral surface of the ice maker body 101 .

The ice-making tray 200 may include a pair of mutually detachable upper trays 210 and lower trays 220 . The shape of the upper tray 210 and the lower tray 220 of the ice-making tray 200 is not particularly limited as long as a circular ice-making groove 15 can be formed while being coupled to each other. It may be a structure coupled to each other. The ice-making grooves 15 may be formed in the shape of a pair of concave grooves spaced apart from each other in the longitudinal direction of the ice-making tray 200 , and preferably have a circular or oval cross-section. In addition, a fastening extension 230 coupled to the rotation guide member 300 may be formed on the lower tray 220 .

The heater unit 30 may be in close contact with the lower tray 220 of the ice-making tray 200 during rotation of the ice-making tray 200 to transfer circular ice, and may be formed in a portion of the lower tray 220 with a maximum rotational radius. The heater unit 30 may be formed so as to be in close contact with the lower surface of the ice maker body 101 at the maximum rotated position of the lower tray 220 .

The rotation guide member 300 may be connected to the rotation shaft of the driving unit of the driving box 110 and rotate around a rotation center shaft 215 extending in one direction.

In some cases, a temperature sensor (not shown) for measuring the temperature of the ice maker 100 may be formed on one side of the ice maker 200 . Such a temperature sensor may be formed on the side of the upper tray 210 of the ice-making tray 200 or on the bottom surface of the lower tray 220 of the ice-making tray 200 , and may be formed at a position that does not interfere with the rotation of the ice-making tray 200 . In addition, a sealing member (not shown) may be formed between the upper tray 210 and the lower tray 220 of the ice-making tray 200 so that the ice-making water accommodated in the ice-making groove 15 does not leak to the outside during ice-making. .

Specifically, as described above, the ice-making tray 200 may include a pair of upper tray 210 and lower tray 220 that are detachably coupled to each other. Both ends of the upper tray 210 are fixed to the ice maker body 101, and the lower tray 220 is rotated vertically or in a predetermined direction from the upper tray 210 by the operation of the rotation guide member 300 coupled to one side. It can be spaced apart with radial translation and rotational movement. That is, the lower tray 220 of the ice-making tray 200 according to the present invention is naturally spaced apart from the upper tray 210 by avoiding collision due to friction by the rotation guide member 300 that is translated and rotated at predetermined intervals. can be

As described above, the heater unit 30 may be formed in the ice maker body 101 . That is, when the lower tray 220 of the ice-making tray 200 rotates for ice removal, it is vertically fixed to the lower side portion of the ice maker body 101 as shown in FIG. It may be disposed on a plurality of pressure support portions 40 on the fixed bar (L).

Accordingly, when the lower tray 220 rotates, the heater unit 30 of the pressure support unit 40 may be in close contact with the lower surface.

Furthermore, the heater unit 30 according to the present invention may be selectively formed on the upper tray 210 of the ice-making tray 200 as shown in FIG. 5 . A pressure support unit 40 is formed on the upper tray, and the heater unit 30 may be formed at predetermined intervals.

At this time, the above-described ice-making water guide part 370 may be formed on the upper portion of the ice-making tray 200 , and the ice-making water guide part 370 extends downwardly to the upper tray 210 of the ice-making tray 200 . A fixed fastening portion 371 that is screw-coupled to may be formed. According to the present invention, the heater unit 30 is formed by the pressure support unit 40 extending from the lower surface of the ice-making water induction unit 370 in the direction in which the heater unit 30 formed on the lower side, that is, the upper tray 210 is formed. It is not particularly limited as long as the structure is supported by pressure. For example, in addition to the mutual screw fastening method by the fixed fastening part 371 , a hook having a predetermined elastic force is interposed and the hook is fastened to each other by the user's physical pressure. It may be configured in a fastening manner.

The rotation guide member 300 is connected to the rotation shaft of the driving unit installed in the driving box 110 to extend and extend in parallel to one side of the rotation central shaft 215 and the rotation central shaft 215 to move in the vertical direction. Alternatively, a pair of first link members 310 having one side coupled to both ends of the rotation hinge shaft 330 , the central rotation axis 215 and the rotation hinge shaft 330 , which are mounted rotatably and rotatably with a predetermined radius. ), the second link member 350 and the rotation hinge shaft ( The third link member 320 connected to the 330 and the lower tray 220 to be movably mounted in association with the rotary hinge shaft 330 may be included.

Here, the pair of first link members 310 of the rotation guide member 300 may be formed in a plate shape. Each of the first link members 310 has a first guide hole 311 and a first guide hole 311 formed in the vertical direction so that the rotation hinge shaft 330 can be translated in parallel in the vertical direction and branched downward. A second guide hole 312 formed in a curved shape may be formed.

That is, since the rotation hinge shaft 330 of the rotation guide member 300 is interlocked with the rotation center shaft 215 extending from one side of the driving box 110 and is arranged in parallel, the driving unit of the driving box 110 . As a result, both ends of the rotational hinge shaft 330 may move or rotate along the first guide hole 311 and the second guide hole 312 while the rotational central shaft 215 rotates.

In some cases, an electrode (not shown) is formed on one side of the upper tray 210 , so that it may be possible to control water supply by supplying voltage or changing capacitance. Although not shown in the drawings of the present invention, these electrode rods may be formed in a non-contact manner or in a connection manner extending into the ice-making tray 200 . As a specific example, it may be an unexposed electrostatic sensor (water level sensor), an exposed electrostatic sensor (water level sensor), or a energized sensor, but is not limited thereto.

15 and 16 are views showing the structure of the link member of the rotation guide member according to an embodiment of the present invention, and FIG. 17 is a schematic cross-sectional view showing the operation of the rotation link member of the circular ice maker according to the embodiment of the present invention. admit.

Referring to these drawings, the ice maker 100 according to the present invention includes an ice maker body 101 that forms the outer shape of the entire ice maker, an ice maker groove 15 that is rotatably mounted on one side of the ice maker body 101 and accommodates ice making water. An ice-making tray 200 composed of an upper tray 210 and a lower tray 220 to form the ice-making tray 200, an ice-making water guide unit 370 for guiding the supply of ice-making water to the ice-making tray 200, and the ice machine body 101 are accommodated. A driving box 110 in which a driving unit (not shown) providing a rotational force to rotate the ice-making tray 200 is formed, and a rotational force from a rotational central shaft 215 extending from the rotational shaft of the driving unit to the ice-making tray 200 . The rotation guide member 300, which is transferred to and mounted so as to enable translational and rotational movement of the lower tray 220, is rotatably disposed on one side of the ice-making tray 200, and the ice-making water by the rotation guide member 300 An ice-making water supply unit 360 for supplying the ice-making water to the induction unit 370 and a link member 500 connecting one side of the ice-making water supply unit 360 and the rotational central shaft 215 of the driving box 110 . can

The ice maker body 300 may have a rectangular cross-section as a whole, and a space in which the ice maker body 101 can accommodate the ice maker 200 may be formed. Both ends of the ice-making tray 200 may be rotatably coupled to both sides of the inner circumferential surface of the ice maker body 101 . The driving box 110 in which the driving part, which the lower tray 220 of the ice maker 200 rotates, is installed may be disposed on the outer peripheral surface of the ice maker body 101 .

The ice-making tray 200 may include a pair of mutually detachable upper trays 210 and lower trays 220 . The shape of the upper tray 210 and the lower tray 220 of the ice-making tray 200 is not particularly limited as long as a circular ice-making groove 15 can be formed while being coupled to each other. It may be a structure coupled to each other. The ice-making grooves 15 may be formed in the shape of a pair of concave grooves spaced apart from each other in the longitudinal direction of the ice-making tray 200 , and preferably have a circular or oval cross-section. In addition, a fastening extension 230 coupled to the rotation guide member 300 may be formed on the lower tray 220 .

The ice-making water guide part 370 may be formed in a rotatable cap shape. The ice-making water inducing part 370 has a curved shape while increasing the diameter of the cross-section in an upward direction from the insertion communication part 371 and the insertion communication part 371 inserted into the water supply hole 212 of the upper tray 210 . It may be configured to include a curved portion 372 . The ice-making water induction unit 370 may be provided with a fixed link C having one side coupled to the central axis of rotation 215 and fixed thereto.

In this case, the ice-making water guide part 370 may be formed in a cone shape, and the height of the uppermost end of the curved part 372 may be different from the insertion communication part 371 . That is, according to the present invention, the curved part 372 of the ice-making water inducing part 370 is formed to have a predetermined inclination along the outermost periphery of the ice-making water supply part 360 , and the uppermost end of the curved part 372 is not interfered with the rotation radius of the ice-making water supply part 360 . The height may be formed to be relatively low.

The rotation guide member 300 may be connected to the rotation shaft of the driving unit of the driving box 110 and rotate around a rotation center shaft 215 extending in one direction.

The ice-making water supply unit 360 may be disposed on the upper side of the ice-making water induction unit 370 . An external water supply source W from which the ice-making water is supplied may be disposed above the ice-making water supply unit 360 . The ice-making water supply unit 360 may be rotatable in one direction by the operation of the rotation guide member 300 . In this case, a circular rotation guide plate 362 may be formed on the ice-making water supply unit 360 with the rotation shaft 361 as the center.

The rotation link member 500 may be connected to the rotation guide plate 362 of the ice-making water supply unit 360 . The rotation link member 500 may be provided to transmit the rotational force of the rotation guide plate 362 to the rotation center shaft 215 . In some cases, of course, the rotation link member 500 may be directly connected to the rotation shaft 361 of the ice-making water supply unit 360 while the separate rotation guide plate 362 is omitted.

Specifically, according to the present invention, the rotary link member 500 has one side connected to the rotation guide plate 362 to rotate the first auxiliary link 510 and the second auxiliary link connected to the first auxiliary link 510 . 520 may be included.

Also, in some cases, an elastic member S for returning the rotation of the ice-making water supply unit 360 with a predetermined elastic force may be interposed between the second auxiliary link 520 and the rotational central shaft 215 .

One side of the first auxiliary link 510 of the rotation link member 500 may be connected to the rotation shaft 361 of the ice-making water supply unit 360 , and the other side may be connected to one side of the second link member 520 . In addition, the other side of the second link member 520 may be connected to the rotation center shaft 215 . The rotation guide member 300 is connected to the rotation center shaft 215 to which the second link member 520 of the rotation link member 500 is coupled, and the rotation guide member 300 to be described later is the ice-making tray 200 . ) can be connected to

Accordingly, the rotation link member 500 may supply the ice-making water to the ice-making water induction unit 370 while rotating in association with the rotation guide member 300 and rotating the ice-making water supply unit 360 in one direction.

In addition, the partition wall 361 is formed in the ice-making water supply unit 360 so that the ice-making water supplied from the external water supply source W is spatially separable. In the case of flowing to the induction part 370 , it may be naturally supplied sequentially without overflowing to the outside.

Meanwhile, a temperature sensor (not shown) for measuring the temperature of the ice maker 100 may be formed on one side of the ice-making tray 200 . Such a temperature sensor may be formed on the side of the upper tray 210 of the ice-making tray 200 or on the bottom surface of the lower tray 220 of the ice-making tray 200 , and may be formed at a position that does not interfere with the rotation of the ice-making tray 200 . In addition, a sealing member (not shown) may be formed between the upper tray 210 and the lower tray 220 of the ice-making tray 200 so that the ice-making water accommodated in the ice-making groove 15 does not leak to the outside during ice-making. .

Above, a specific embodiment of the present invention has been described in detail with reference to the accompanying drawings. However, the embodiment of the present invention is not necessarily limited by the above-described embodiment, and it is natural that various modifications and implementations in an equivalent range are possible by those skilled in the art to which the present invention pertains. will be. Therefore, the true scope of the present invention will be determined by the claims to be described later.

1: refrigerator 8, 9: door
10: water supply unit 15: ice making groove
100: ice machine 101: ice machine body
110: drive box 200: ice tray
210: upper tray 212: water supply hole
215: rotation hinge shaft 220: lower tray
230: fastening extension 231: fastening rib
300: rotation guide member 310: first link member
320: third link member 330: rotation hinge shaft
350: second link member 360: ice-making water supply unit
370: ice-making water induction part 371: insertion communication part
372: curved portion C: fixed link

Claims (34)

An ice maker mounted on a cooling matrix, comprising:
ice machine body;
an ice-making tray rotatably mounted on one side of the ice maker body, the ice-making tray having an ice-making groove for receiving ice-making water and including an upper tray and a lower tray that are detachably coupled to each other;
an ice-making water guide unit for guiding the ice-making water to the ice-making tray;
a driving box provided with at least one driving unit providing rotational force to rotate the ice-making tray;
a rotation guide member that transmits the rotational force of the driving unit to the ice-making tray and is mounted to enable translational and rotational movement of the lower tray;
and an ice-making water supply unit rotatably disposed on one side of the ice-making tray and supplying the ice-making water to the ice-making water guide unit by the rotation guide member.
The method of claim 1,
An ice maker provided with an ice-making water supply part in which a water supply hole is formed in an upper portion of the upper tray to introduce the ice-making water, and one side of the ice-making water guide part is inserted into the water supply hole.
The method of claim 1,
An ice maker provided with an ice-making water supply unit in which the ice-making water inducing unit is formed in a shape in which interference due to rotation of the ice-making water supply unit does not occur.
The method of claim 1,
The ice-making water induction unit,
an insertion communication part inserted into the water supply hole; and
A curved portion formed in a curved shape to a predetermined length from the insertion communication portion; including,
An ice maker provided with an ice-making water supply unit, wherein at least a portion of an uppermost end of the curved portion has a different height from the insertion communication portion.
The method of claim 1,
An external water supply source to which the ice-making water is supplied is disposed at one side of the ice-making water supply unit, and the ice-making water supply unit is provided with an ice-making water supply unit extending to a position of the external water supply source.
6. The method of claim 5,
The ice-making water supply unit is provided with an ice-making water supply unit in which a partition wall is formed so that the ice-making water supplied from the external water supply source is spatially separable.
The method of claim 1,
The ice maker is provided with an ice-making water supply part, the ice-making water inducing part and the ice-making water supply part being detachably provided from the main body of the ice maker.
The method of claim 1,
The ice maker provided with an ice-making water supply unit further comprising a fastening extension formed in the lower tray for fastening with the rotation guide member.
The method of claim 1,
An ice maker provided with an ice-making water supply part in which the central axis of rotation is eccentric to one side of the lower tray.
The method of claim 1,
An ice maker provided with an ice-making water supply part in which a water supply hole is formed in the upper tray to supply ice-making water to the ice-making groove.
The method of claim 1,
The ice-making groove of the ice-making tray is provided with an ice-making water supply part having a circular or oval cross section.
The method of claim 1,
An ice maker provided with an ice-making water supply unit, wherein an end height of the lower tray is the same as an end height of the upper tray or is elongated in an upward direction with respect to the ground.
The method of claim 1,
The driving unit is an ice maker provided with an ice water supply unit operated by an automatic or manual lever.
The method of claim 1,
An ice maker provided with an ice-making water supply unit in which a sealing unit providing sealing force is formed at a contact portion between the upper tray and the lower tray.
The method of claim 1,
An ice maker provided with an ice-making water supply part having a water supply part for supplying ice-making water to the ice-making groove at one side of the ice maker body.
A refrigerator comprising the ice maker according to any one of claims 1 to 15.
An ice maker mounted on a cooling matrix, comprising:
ice machine body;
an ice-making tray rotatably mounted on one side of the ice maker body, the ice-making tray having an ice-making groove for receiving ice-making water and including an upper tray and a lower tray that are detachably coupled to each other;
a driving box provided with at least one driving unit providing rotational force to rotate the ice-making tray; and
and a heater unit formed on one side of the ice maker body, the heater unit being in close contact with at least one side of the lower tray when the lower tray is rotated by the operation of the driving unit.
18. The method of claim 17,
An ice maker provided with an ice-making water supply part in which a pressure support part supporting the heater part is formed in the heater part.
18. The method of claim 17,
An ice maker provided with an ice-making water supply unit in which the heater unit is formed on an upper tray of the ice-making tray.
18. The method of claim 17,
an ice-making water guide unit guiding the ice-making water at one side of the ice-making tray; and
and an ice-making water supply unit rotatably disposed on one side of the ice-making tray and supplying the ice-making water to the ice-making water guide unit by the rotation guide member.
21. The method of claim 20,
An ice maker provided with an ice-making water supply unit formed in the ice-making water guide unit and a fixing coupling unit for pressurizing and fixing the ice-making tray to an upper tray of the ice-making tray.
21. The method of claim 20,
An ice maker provided with an ice-making water supply unit in which a plurality of heater units are formed in close contact with an upper tray of the ice-making tray.
18. The method of claim 17,
An ice maker provided with an ice-making water supply unit having a pressure support unit configured to pressurize the heater unit formed on the upper tray in the ice-making water induction unit.
18. The method of claim 17,
and a rotation guide member that transmits the rotational force of the driving unit to the ice-making tray and is mounted to enable translational and rotational movement of the lower tray; and
The rotation guide member,
a central axis of rotation connected to the axis of rotation of the driving unit and formed to extend;
a rotation hinge shaft extending parallel to one side of the rotation center shaft and mounted to be translationally or rotationally movable;
a first link member having at least one side coupled to the rotation center shaft and the rotation hinge shaft;
a second link member having at least one side coupled to the rotation center shaft and the rotation hinge shaft and movably mounted in association with the rotation hinge shaft; and
and a third link member connected to the rotation hinge shaft and the lower tray and movably mounted in association with the rotation hinge shaft.
25. The method of claim 24,
An ice maker provided with an ice-making water supply unit in which guide holes are formed in the first link member so that both ends of the rotation hinge shaft are movable.
26. The method of claim 25,
The guide hole may include: a first guide hole formed in an up-down direction so that the rotation hinge shaft can move in translation; and
and a second guide hole that is branched from the first guide hole and formed in a curved shape.
25. The method of claim 24,
The ice maker provided with an ice-making water supply unit further comprising a fastening extension formed in the lower tray for fastening with the third link member.
28. The method of claim 27,
An ice maker having an ice-making water supply unit in which a fastening rib is formed in the fastening extension part, and one side of the third link member is coupled to the fastening rib by a screw fastening method.
18. The method of claim 17,
The rotation guide member is an ice maker provided with an ice-making water supply unit in which translational and rotational movements are continuously performed with respect to the ice-making tray.
An ice maker mounted on a cooling matrix, comprising:
ice machine body;
an ice-making tray rotatably mounted on one side of the ice maker body, the ice-making tray having an ice-making groove for accommodating the ice-making water and including an upper tray and a lower tray that are detachably coupled to each other;
an ice-making water guide unit for guiding the ice-making water to the ice-making tray;
a driving box provided with at least one driving unit providing rotational force to rotate the ice-making tray;
a rotation guide member connected to the rotation center shaft of the driving box to transmit the rotational force of the driving unit to the ice-making tray;
an ice-making water supply unit rotatably disposed on one side of the ice-making tray and supplying the ice-making water to the ice-making water guide unit by the rotation guide member; and
and a link member connecting one side of the ice-making water supply unit and a central axis of rotation of the driving box.
31. The method of claim 30,
An ice maker provided with an ice-making water supply unit that has a circular rotation guide plate formed around a rotation shaft in the ice-making water supply unit, and that one side of the link member rotates clockwise or counterclockwise on the rotation guide plate.
32. The method of claim 31,
The rotary link member,
a first auxiliary link having one side connected to the rotation guide plate and rotating; and
and a second auxiliary link connected to the first auxiliary link.
33. The method of claim 32,
An ice maker provided with an ice-making water supply unit in which an elastic member for providing a predetermined elastic force is interposed between the second auxiliary link and the rotation center axis of the driving box and the second auxiliary link.
31. The method of claim 30,
The rotation guide member may include an ice-making water supply unit that transmits the rotational force of the driving unit to the ice-making tray and is mounted to enable translational and rotational movement of the lower tray.

Images