KR100766116B1 - Ice-making device for refrigerator - Google Patents

Abstract

The present invention relates to an ice maker for a refrigerator. The present invention includes: a water tank (41) detachably installed on the rear surface of the refrigerator door (31a) and storing water therein; An ice making housing (51) (61) installed on the rear surface of the door (31a) corresponding to the lower side of the water tank (41) and having a predetermined installation space (51s) (61s) therein; An ice tray 71 installed in the installation space 51s and having a plurality of ice making grooves 71s formed therein to receive ice from water stored in the water tank 41; A tray cover 75 installed in the installation space 51s to selectively open and close the ice making groove 71s; And installed in the installation space (61s), the ice bank 81 is stored in the ice produced in the ice tray 71; It is configured to include. According to the present invention, it is possible to manufacture ice more cleanly, it is possible to minimize the phenomenon that the refrigerator is contaminated in the process of producing ice, there is an advantage that the ice is produced more quickly.

Description

Ice-making device for refrigerators {Ice-making device for refrigerator}

1 is a front view showing the appearance of a refrigerator equipped with an ice maker according to the prior art.

2 is a front view showing the inside of the refrigerator shown in FIG.

3 is a plan view showing an ice making device provided in the refrigerator shown in FIG.

Figure 4 is a front view showing the appearance of a refrigerator provided with a preferred embodiment of the icemaker for a refrigerator according to the present invention.

Figure 5 is a front view showing the inside of the refrigerator provided with a preferred embodiment of the icemaker for a refrigerator according to the present invention.

Figure 6 is a perspective view showing a cashier structure of the water tank constituting the embodiment shown in FIG.

7 is a perspective view showing a valve assembly constituting the embodiment shown in FIG.

FIG. 8 is a side sectional view showing the inside of a first ice making housing constituting the embodiment shown in FIG. 5; FIG.

9 is a perspective view showing a tray cover constituting the embodiment shown in FIG.

FIG. 10 is a side cross-sectional view illustrating an interior of a second ice making housing and a home bag housing constituting the embodiment shown in FIG. 5;

Figure 11 is a perspective view showing a state in which the ice bank constituting the embodiment shown in Figure 5 seated on the guide box.

12 is a perspective view showing a guide frame constituting the embodiment shown in FIG.

Figures 13a and 13b is a side cross-sectional view showing the mounting process of the water tank constituting the embodiment shown in FIG.

Figures 14a and 14b is a side cross-sectional view showing the operation of the ice tray constituting the embodiment shown in FIG.

15a to 15c is a side cross-sectional view showing the withdrawal process of the ice bank constituting the embodiment shown in FIG.

Explanation of symbols on the main parts of the drawings

30: refrigerator body 31: freezer

31a: freezer door 31b: support side wall

33: refrigerator compartment 33a: refrigerator compartment door

33b: support side wall 34: door basket

34a: Tightening hook 34b: Guide rib

34c: drive projection 35,37: home bar

35a, 37a: home bar housing 35b, 37b: home bar door

35c, 37c: entrance 35s, 37s: storage space

41: water tank 42: tank body

42a: cover seat 42b: opening

42c: Insertion rib 42d: Guide groove

42e: fastening protrusion 43: reservoir

43s: reservoir 43h: outlet

44: valve guide 44a: incision

45: hinge piece 45a: hinge ball

46: valve lever 46a: lever body

46b: valve projection 46c: valve cover

46h: hinge protrusion 47: torsion spring

48: Tank cover 48a: Insertion groove

48b: packing rib 48c: seating end

48d: handle groove 48h: supply port

49: supply port cover 51: the first ice making housing

51s: installation space 51a: guide slope

51h: water inlet 53: viewing window

55: handle opening 57: stopper

59: hinge pin 61: 2nd ice making housing

61s: installation space 62: cold air supply port

71: Icetray 71s: Ice Making Home

72a: support shaft 72b: sealed groove

72c: tight rib 73: pivoting lever

75: tray cover 75h: water inlet

75a: water guide surface 75b: guide portion

76: buffer member 77a: sealed rib

77b: Rim rib 78: Hinge bracket

78a: Hinge Ball 79: Cold Guide

81: Ice Bank 81s: Ice Storage

81a: locking rib 81b: interlocking protrusion

81c: flow preventing groove 81d: inclined portion

83: guide box 83a: interlocking rib

83b: Interlocking Bracket 83c: Floating prevention rib

84,85: Guide protrusion 87: Guide frame

87a: Ice transfer opening 87b: Ice transfer guide

87c: fixing groove 88,89: guide slot

88a, 89a: first horizontal section 88b, 89b: slope section

88c, 89c: second horizontal section S: mounting space

The present invention relates to a refrigerator, and more particularly to a refrigerator ice maker for producing ice.

A refrigerator is a home appliance for freezing or refrigerating food and keeping it fresh for a long time. Generally, a refrigerator is provided with a freezing compartment and a refrigerating compartment. In addition, the refrigerator is provided with an ice making apparatus for manufacturing ice in the freezer compartment. FIGS. 1 and 2 illustrate a refrigerator equipped with an ice maker according to the related art, and FIG. 3 shows an ice making apparatus provided in the refrigerator illustrated in FIG. 2. The device is shown.

As shown in the figure, the inside of the refrigerator body 10 is provided with a freezing compartment 11 and a refrigerating compartment 13 partitioned from side to side. In addition, the main body 10 includes a freezing compartment door 11a and a refrigerating compartment door 13a to selectively open and close the freezing compartment 11 and the refrigerating compartment 13. The freezing chamber door 11a and the refrigerating chamber door 13a are respectively installed on one side of the main body 10 so that the tip is rotated forward and backward of the main body 10 with respect to one end thereof.

Meanwhile, groove bars 15 and 17 are provided at one side of the freezing chamber door 11a and the refrigerating chamber door 13a, respectively. The home bars 15 and 17 store foods such as beverages. The home bars 15 and 17 are composed of home bar housings 15a and 17a and home bar doors 15b and 17b, respectively. The home housings 15a and 17a are provided on the rear surface of the freezing chamber door 11a or the refrigerating chamber door 13a, and the home housings 15a and 17a are provided with a predetermined storage space.

The home bar doors 15b and 17b selectively open and close the entrance and exit openings formed by cutting a part of the freezer door 11a or the refrigerating chamber door 13a corresponding to the home bar housings 15a and 17a. do. The grooved bar doors 15b and 17b are rotatably installed up and down on their lower ends.

2, an ice maker 19 is installed at one side of the freezing chamber 11. The ice making machine 19 is for producing ice. And, as shown in Figure 3, the ice making apparatus 19 is installed in the freezer compartment 11 in a retractable manner. In addition, the ice maker 19 is composed of a support frame 21 and a pair of ice trays 23.

The support frame 21 serves to rotatably support the ice tray 23. To this end, the support frame 21 is formed in a rectangular shape. The ice trays 23 are rotatably installed in the support frame 21.

A plurality of ice making grooves 23a are formed in the ice tray 23, respectively. And the support shaft 24 is provided in the center of the front and rear surfaces of the ice tray 23, respectively. The ice tray 23 is rotated in a clockwise or counterclockwise direction in FIG. 2 about the support shaft 24. To this end, the support shaft 24 is rotatably inserted into the rear surface of the support frame 21.

In addition, a stopper 25 is provided to protrude in the rear surface of the support frame 21 corresponding to the left side of the support shaft 24 in the drawing. The stopper 25 serves to cause the front end of the ice tray 23 pivoting about the support shaft 24 to be twisted with respect to the rear end thereof.

In addition, the handle 26 is provided to protrude in front of the support frame 21 corresponding to the front of the eye tray 23. The handle 26 is a part held by the user by hand to rotate the ice tray 23. The handle 26 is provided in pairs corresponding to the ice tray 23.

Meanwhile, referring back to FIG. 2, an ice bank 27 is installed inside the freezing chamber 11 corresponding to the lower side of the ice making apparatus 19. The ice bank 27 stores the ice produced by the ice maker 19. The ice bank 27 is installed in and out of the freezer compartment 11.

The conventional ice making apparatus configured as described above operates as follows.

First, water is filled in the ice making groove 23a of the ice tray 23. Then, the freezing chamber door 11a is opened to open the freezing chamber 11, and the ice making device 19 is stored at one side of the freezing chamber 11. When the ice making device 19 is mounted in this way, the freezing compartment door 11a is closed to shield the freezing compartment 11.

On the other hand, if a predetermined time passes and the water filled in the ice making groove 23a is frozen, the freezing chamber door 11a is opened again to open the freezing chamber 11. In addition, when the knob 26 is turned clockwise in FIG. 2, the ice tray 23 also rotates in the same direction.

When the ice tray 23 rotates by a predetermined angle, the rear end of the ice tray 23 is caught by the stopper 25. Therefore, the ice tray 23 can no longer rotate clockwise in the drawing in FIG. 2. In this state, when the handle 26 is turned clockwise in FIG. 2, the ice tray 23 is twisted. Therefore, the ice of the ice making groove 23a is separated from the ice tray 23 and stored in the ice bank 27.

However, the refrigerator ice maker according to the related art has the following problems.

Conventionally, in order to withdraw the ice bank 27 in which the ice manufactured by the ice tray 23 is stored to the outside of the freezing chamber 11, the freezing chamber door 11a is rotated to open the freezing chamber 11. You must open it. Therefore, there is a disadvantage in that the withdrawal of the ice bank 27 becomes cumbersome.

In addition, when the freezing chamber 11 is opened to draw out the ice bank 27, the cold air inside the freezing chamber 11 flows out. That is, according to the conventional refrigerator ice maker, in the process of drawing out the ice bank 27, the cold air of the freezer compartment 11 is unnecessarily leaked to the outside to increase the power consumption of the refrigerator.

In addition, the ice bank 27 is accommodated in the freezer compartment 11. Therefore, there is a concern that a disadvantage may occur in that the smell of other food stored in the freezer compartment 11 is stored in the ice stored in the ice bank 27.

In the related art, water filled in the ice making groove 23a of the ice tray 23 is cooled by cooling for a predetermined time by cold air circulating inside the freezing chamber 11. Therefore, the water filled in the ice making groove 23a of the ice tray 23 may be scattered to the outside by the shock generated during the opening and closing of the freezing compartment door 11a to contaminate the freezing compartment 11.

The present invention is to solve such a conventional problem, it is an object of the present invention to provide an ice making apparatus for a refrigerator configured to minimize the contamination of the refrigerator in the process of producing ice.

Another object of the present invention is to provide an ice maker for a refrigerator configured to minimize a phenomenon in which the smell of food is absorbed in the process of producing ice.

Still another object of the present invention is to provide an ice making apparatus for a refrigerator, which is configured to make ice production more quickly.

According to a feature of the present invention for achieving the above object, the present invention includes a water tank detachably installed on the back of the refrigerator door, the water is stored therein; An ice making housing installed on a rear surface of the door corresponding to the lower side of the water tank and having a predetermined installation space therein; An ice tray installed in the installation space and having a plurality of ice making grooves formed to receive ice from water stored in the water tank; A tray cover installed in the installation space to selectively open and close the ice making groove; And installed in the installation space, the ice bank is stored ice produced in the ice tray; It is configured to include, the ice tray is provided on both sides is characterized in that rotatably installed in the installation space around a pair of support shaft that is rotatably supported inside the ice making housing.

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The tray cover extends from both sides of the corresponding one end of the tray cover so that the tip thereof is pivotally connected to the inside of the ice making housing so that the tray cover is interlocked with the rotation of the ice tray with respect to one end of the hinge bracket. It is characterized in that the tip is rotatably installed.

The bottom end of the tray cover is provided with a sealing rib extending downward by a predetermined length, and one end of the ice tray corresponding to the tip of the tray cover is recessed downward by a predetermined depth to insert the tip of the sealing rib. It is characterized in that the sealing groove is provided.

One end of the ice tray adjacent to the sealing groove is further provided with a contact rib extending upward by a predetermined length and the inner surface is in close contact with the outer surface of the sealing rib, and extends by a predetermined length perpendicular to the outer surface of the sealing rib. The edge of the close contact rib is characterized in that it is further provided with a border rib in close contact with the bottom.

One side of the tray cover is characterized in that the water supply port for delivering the water stored in the water tank to the ice tray is formed.

The upper surface of the tray cover adjacent to the water supply port is provided with a water guide surface for guiding the water stored in the water tank to the water supply port, the water stored in the water tank on the upper surface of the tray cover corresponding to the outer periphery of the water guide surface The water is prevented from splashing in the process of being supplied to the ice making groove of the ice tray through the water inlet, and the cold air supplied into the installation space through the cold air supply hole formed in the ice making housing through the water inlet. It is characterized in that the guide portion for guiding the ice tray.

The guide part may protrude upward from the upper surface of the tray cover to increase in height in a direction in which cold air is supplied through the cold air supply port.

The hinge bracket may be provided with a cold air guide for guiding the cold air supplied into the installation space through the cold air supply port to the ice tray.

The cold air guide is connected to each other between the mutually opposite surfaces of the hinge bracket inclined at a predetermined angle toward the ice tray.

The front end of the tray cover is characterized in that the buffer member for absorbing the shock generated by the one side of the tray cover to rotate in conjunction with the rotation of the ice bank in contact with one side of the ice making housing.

According to the present invention, it is possible to manufacture ice more cleanly, it is possible to minimize the phenomenon that the refrigerator is contaminated in the process of producing ice, there is an advantage that the ice is produced more quickly.

Hereinafter, with reference to the accompanying drawings a preferred embodiment of the refrigerator ice maker according to the present invention will be described in more detail.

4 and 5 illustrate a refrigerator provided with a preferred embodiment of the icemaker for a refrigerator according to the present invention, and FIG. 6 shows a cashier structure of the water tank constituting the embodiment shown in FIG. 5. 7 shows a valve assembly constituting the embodiment shown in FIG. 5, FIG. 8 shows an interior of a first ice making housing constituting the embodiment shown in FIG. 5, and FIG. 9 shows in FIG. 5. The tray cover constituting the illustrated embodiment is shown, the interior of the second ice making housing and the home bar housing constituting the embodiment shown in FIG. 5 is shown, and FIG. 11 shows the embodiment shown in FIG. The state in which the ice bank constituting the seated on the guide box is shown, and FIG. 12 shows the guide frame constituting the embodiment shown in FIG. 5.

As shown in the drawing, the freezer compartment 31 and the refrigerating compartment 33 are provided in the refrigerator body 30. The freezing compartment 31 and the refrigerating compartment 33 are divided left and right inside the main body 30. The main body 30 is provided with a freezing chamber door 31a and a refrigerating chamber door 33a rotatably installed at the other end around each one end. The freezing compartment door 31a and the refrigerating compartment door 33a serve to selectively open and close the freezing compartment 31 and the refrigerating compartment 33, respectively.

Meanwhile, referring to FIG. 5, support side walls 31b and 33b are provided at both ends of the rear surface of the freezing chamber door 31a and the refrigerating chamber door 33a. The support side walls 31b and 33b are formed by protruding a portion of the door liner forming the rear surface appearance of the freezing chamber door 31a and the refrigerating chamber door 33a to the rear by a predetermined height. A plurality of fixing protrusions (not shown) are respectively provided at positions corresponding to each other on opposite surfaces of the support side walls 31b and 33b.

A plurality of door baskets are provided on the rear surfaces of the freezing chamber door 31a and the refrigerating chamber door 33a corresponding to the support side walls 31b and 33b. An interior of the door basket is formed with a storage space for storing food. The door basket is detachably installed on the rear surfaces of the freezing chamber door 31a and the refrigerating chamber door 33a.

6 and 7, a pair of fastening hooks 34a are provided at the rear end of the bottom surface of the door basket 34 provided at the top of the rear surface of the freezer compartment 31a among the door baskets. The fastening hook 34a is for fixing the water tank 41 to be described below. The fastening hook 34a extends in the rear of the freezing chamber door 31a, that is, in a detachable direction of the water tank 41, from both sides of the rear end of the bottom surface of the door basket 34 adjacent to the rear surface of the freezing chamber door 31a. . The fastening hook 34a has a predetermined elasticity in the left and right sides of the freezing chamber door 31a, that is, the direction perpendicular to the direction in which the water tank 41 is withdrawn.

In addition, a pair of guide ribs 34b are provided at both ends of the bottom center of the bottom surface of the door basket 34 corresponding to the front of the fastening hook 34a. The guide rib 34b is for guiding the detachment of the water tank 41. The guide ribs 34b are formed on the left and right sides of the freezing chamber door 31a, that is, the front and rear sides of the freezing chamber door 31a, ie, the water tanks, spaced apart from each other by a predetermined distance in a direction perpendicular to the detachable direction of the water tank 41. It extends long in the detachable direction of 41).

In addition, a driving protrusion 34c is provided at the center of the rear end of the bottom surface of the door basket 34. The driving protrusion 34c is formed after the bottom surface of the door basket 34 corresponding to the center of the rear end portion of the bottom surface of the door basket 34 adjacent to the rear surface of the freezing chamber door 31a, that is, between the fastening hooks 34a. It extends in the rear of the freezing chamber door 31a, that is, in the detachable direction of the water tank 41 at the center of the end portion. The driving protrusion 34c serves to drive the valve lever 46 to be described below.

On the other hand, the freezing chamber door 31a and the refrigerating chamber door 33a are provided with groove bars 35 and 37, respectively. The home bars 35 and 37 are for dispensing food such as beverages without opening the refrigerating chamber door 33a and the freezing chamber door 31a. The home bars 35 and 37 are composed of home bar housings 35a and 37a and home bar doors 35b and 37b, respectively.

The home housing (35a) (37a) is formed in a substantially polyhedral shape in which the upper surface and the rear surface in close contact with the rear surface of the freezing chamber door (31a) or the refrigerating chamber door (33a) is opened. The home housings 35a and 37a are provided on the rear surface of the freezing chamber door 31a or the refrigerating chamber door 33a corresponding to the support side walls 31b and 33b. Inside the home housings 35a and 37a, storage spaces 35s and 37s are provided to store drinks and the like.

In addition, a part of the freezing chamber door 31a or the refrigerating chamber door 33a is cut to form entrance and exit ports 35c and 37c. The inlet and outlet 35c formed in the freezer compartment 31a among the inlet and outlet 35c and 37c is a storage space 35s of the home housing 35a and an installation space of the second ice making housing 61 to be described below. It communicates with 61s. Therefore, the food is withdrawn from the inside or outside the storage space 35s of the home bag housing 35a through the entrance and exit 35c, or the inside of the installation space 61s of the second ice making housing 61. Is withdrawn. The inlet / outlet 37c formed in the refrigerating chamber door 33a among the inlet / outlet 35c and 37c communicates with the storage space 37s of the home housing 37a. Therefore, the food is withdrawn into and out of the storage space 37s of the home bag housing 37a through the entrance and exit 37c.

The home bar doors 35b and 37b are rotatably installed on the front end of the freezing chamber door 31a or the refrigerating chamber door 33a about their lower ends. The home bar doors 35b and 37b selectively open and close the entrance and exit ports 35c and 37c, respectively. In particular, the storage space 35s of the home bar housing 35a and the installation space 61s of the second ice making housing 61 are selectively opened and closed by the home bar door 35b installed in the freezer compartment 31a.

Meanwhile, a predetermined mounting space S is formed between the door basket 34 and the first ice making housing 51 to be described below. In other words, the mounting space S is formed between the bottom surface of the door basket 34 and the top surface of the first ice making housing 51 which are spaced up and down by a predetermined distance from each other.

And the water tank 41 is detachably installed in the mounting space (S). The water tank 41 stores water to be supplied to the ice tray 71 to be described below. 6 and 7, the tank body 42 of the water tank 41 is formed in a hollow polyhedron shape. A cover seating portion 42a is provided on an upper surface of the tank body 42. The cover seating portion 42a is formed by stepping down the center of the upper surface of the tank body 42 relative to the rest of the upper surface of the tank body 42.

An opening 35c (see FIG. 13A) is formed in the cover seating portion 42a. The opening 35c serves as an entrance area in which water is stored in the storage space 43s to be described below. The cover seating portion 42a corresponding to the edge of the opening 35c is provided with an insertion rib 42c (see FIG. 13A) extending upward.

On the upper surface of the tank body 42, a pair of guide grooves 42d are formed. The guide grooves 42d are each formed long in the detachable direction of the water tank 41. In the process of mounting the water tank 41 in the mounting space (S), the guide groove 42d is slid with the guide rib 34b of the door basket 34 inserted. In the illustrated embodiment, the guide groove 42d is formed by substantially the bottom surface and both sides of the cover seating portion 42a and both sides of the tank cover 48 to be described below.

6, fastening protrusions 42e are provided at both sides of the rear surface of the tank main body 42 corresponding to the rear surface of the freezing chamber door 31a. The fastening protrusion 42e is fastened to the fastening hook 34a of the door basket 34 while the water tank 41 is mounted in the mounting space S.

As shown in FIG. 7, the tank body 42 has a storage space 43s in which water is stored in a predetermined amount (a quantity used for production of ice in the ice tray 71). The reservoir 43 is formed. The reservoir 43 is formed in a hopper shape extending downward from the edge of the opening 35c. Substantially, the insertion rib 42c and the reservoir 43 are integrally formed with the tank body 42. Such a shape of the reservoir 43 is shown in more detail in FIG. 13A. At least a portion of the tank body 42 (or the tank cover 48 and the supply port cover 49) is formed of a transparent or translucent material so that the amount of water stored in the storage space 43s can be identified from the outside. Can be.

In addition, the discharge port 43h is provided at the center of the lower end of the reservoir 43. Water stored in the water storage space 43s is supplied to the ice tray 71 through the discharge port 43h of the water tank 41. The outlet 43h of the water tank 41 is in the region of the guide inclined portion 51a of the first ice making housing 51 which will be described below with the water tank 41 mounted in the mounting space S. It is preferred to be located.

A valve guide 44 is provided at the bottom of the reservoir 43 corresponding to the outer circumference of the discharge port 43h of the water tank 41. The valve guide 44 serves to guide the movement of the valve protrusion 46b to be described below. The valve guide 44 is formed in a substantially cylindrical shape. In addition, a cutout 44a is formed at one side of the valve guide 44. The cutout 44a is for preventing a phenomenon in which the movement of the valve protrusion 46b is interfered with. The cutout 44a is formed by cutting a portion of the valve guide 44 inclined upward toward the rear.

In addition, a pair of hinge pieces 45 are provided at the center of the rear inner bottom portion of the tank body 42. The hinge piece 45 extends forward from the rear side of the tank body 42 by a predetermined length. The hinge piece 45 serves to rotatably support the valve lever 46 to be described below. Hinge holes 45a are formed in the hinge pieces 45, respectively.

On the other hand, a valve lever 46 is provided to selectively open and close the outlet 43h. The valve lever 46 is installed in the rear of the tank body 42, the front end is rotatable up and down about its rear end. The valve lever 46 is composed of a lever body 46a and a valve protrusion 46b.

The lever body 46a is formed in a plate shape having a predetermined area. Hinge protrusions 46h are provided at both rear ends of the lever body 46a, respectively. The hinge protrusions 46h are rotatably inserted into the hinge holes 45a of the hinge pieces 45, respectively. When the water tank 41 is mounted in the mounting space S, the lever body 46a is driven by the driving protrusion 34c of the door basket 34 so as to center the hinge protrusion 46h. The tip will rotate up and down.

The valve protrusion 46b is formed in an approximately L shape. The valve protrusion 46b is provided at the front end of the lever body 46a. The valve protrusion 46b penetrates through the outlet port 43h of the water tank 41 from above to above, and is located inside the storage space 43s. The valve protrusion 46b is moved up and down by the rotation of the valve lever 46. To this end, the valve protrusion 46b is formed with a relatively small diameter compared to the outlet 43h of the water tank 41.

At the tip of the valve protrusion 46b, a valve cover 46c (see Fig. 13A) is provided. The valve cover 46c selectively opens and closes the outlet 43h of the water tank 41 substantially. To this end, the valve protrusion 46b is formed in a disk shape having a relatively large diameter compared to the outlet 43h of the water tank 41. The valve cover 46c is moved up and down by the shanghaidong of the valve lever 46, and its bottom surface is selective to the bottom surface of the reservoir 43 adjacent to the outlet 43h of the water tank 41. By being in close contact with each other, the outlet 43h of the water tank 41 is selectively opened and closed.

That is, when the valve lever 46 moves upward while the valve cover 46c shields the discharge port 43h of the water tank 41, the valve cover 46c also moves upwards and the water storage part Spaced at the bottom of 43. Therefore, the outlet 43h of the water tank 41 is opened. When the valve lever 46 moves downward while the valve cover 46c opens the outlet 43h of the water tank 41, the valve cover 46c also moves downward to move the water storage part. It is in close contact with the bottom surface of 43. Therefore, the outlet 43h of the water tank 41 is shielded.

As described above, in the state where the outlet 43h of the water tank 41 is shielded, the valve lever 46 is preferably inclined downward at a predetermined angle toward the front of the water tank 41. Do. This is to allow the valve lever 46 to be easily driven by the driving protrusion 34c of the door basket 34 in the process of mounting the water tank 41 in the mounting space S. .

In addition, one of the hinge protrusions 46h of the valve lever 46 is provided with a torsion spring 47. The torsion spring 47 provides the valve lever 46 with an elastic force in the direction in which the valve cover 46c shields the outlet port 43h of the water tank 41, that is, downward in the drawing in FIG. 7. Play a role. Accordingly, in the state where the water tank 41 is not mounted in the mounting space S, that is, the valve lever 46 is not driven by the driving protrusion 34c of the door basket 34, the torsion spring is not provided. By the elastic force of 47, the valve cover 46c is maintained in a state in which the outlet 43h of the water tank 41 is shielded. To this end, the torsion springs 47 are supported at both ends of the rear side of the tank body 42 and the upper surface of the valve body 46a, respectively.

Meanwhile, referring back to FIG. 6, the tank cover 48 is coupled to the upper surface of the tank body 42. The tank cover 48 is coupled to the upper portion of the tank body 42 to selectively open and close the water storage space 43s, that is, the opening 35c of the tank body 42. An insertion groove 48a (see FIG. 13A) is formed at the bottom edge of the tank cover 48. The insertion rib 42c is inserted into the insertion groove 48a.

In the state in which the tank cover 48 is coupled to the tank body 42, both side surfaces thereof are a predetermined distance from both side surfaces of the cover seating portion 42a, that is, a distance corresponding to the left and right widths of the guide groove 42d. Spaced apart. In addition, the tank cover 48 is coupled to the tank body 42, the upper surface of which is located on the same plane as the rest of the upper surface of the tank body 42, except for the cover seating portion (42a) desirable.

In addition, a supply port 48h (see FIG. 13A) is provided at one side of the tank cover 48. Water supplied from an external water supply source (not shown) through the supply port 48h of the tank cover 48 is stored in the storage space 43s. A packing rib 48b is provided on an upper surface of the tank cover 48 adjacent to the outer circumference of the supply port 48h of the tank cover 48. The packing rib 48b is formed by protruding upward from an upper surface of the tank cover 48 adjacent to the supply port 48h of the tank cover 48.

And the mounting end (43b) is formed on the upper surface of the tank cover 48. The seating end 43b is formed by a portion of the upper surface of the tank cover 48 including the supply port 48h and the packing rib 48b of the tank cover 48 stepped downward by a predetermined height.

A supply port cover 49 for selectively shielding the supply port 48h of the tank cover 48 is provided. To this end, the supply port cover 49 is installed so that the front end is pivotable up and down about its rear end. The supply port cover 49 is seated on the seating end 43b in a state of shielding the supply port 48h of the tank cover 48. In addition, the bottom edge of the supply port cover 49 is in close contact with the upper end of the packing rib (48b).

A handle groove 48d is formed in the tank cover 48. The handle groove 48d is in communication with the seating end 43b. The handle groove 48d is a portion into which the user's hand is inserted to rotate the supply port cover 49 with respect to the tank cover 48. To this end, the handle groove 48d is formed by recessing a portion of the tank cover 48 to a lower portion relative to the seating end 43b.

Meanwhile, referring to FIG. 5 again, ice making housings 51 and 61 are provided on the rear surface of the freezing chamber door 31a corresponding to the upper side of the home bar housing 35a. The ice making housings 51 and 61 include a first ice making housing 51 and a second ice making housing 61. 8 and 10, installation spaces 51s and 61s are formed in the first and second ice making housings 51 and 61, respectively.

The first ice making housing 51 is detachably installed on the rear surface of the freezing compartment door 31a corresponding to the support side wall 31b of the freezing compartment door 31a. To this end, fixing grooves (not shown) are formed at both outer sides of the first ice making housing 51. The fixing protrusion of the support side wall 31b is inserted into the fixing groove. The fixing groove is formed in a U shape to open downward. Therefore, the first ice making housing 51 moves up and down and is detached from the rear surface of the freezing chamber door 31a.

The first ice making housing 51 is located below the door basket 34. As described above, the first ice making housing 51 is spaced downward from the door basket 34 by a predetermined height to form a mounting space S in which the water tank 41 is detachably installed. do.

Referring back to FIG. 8, the first ice making housing 51 is formed in a polyhedral shape in which a lower portion thereof is opened. A guide inclined portion 51a is provided on the upper surface of the first ice making housing 51. And the lower end of the guide inclined portion (51a) is provided with a water supply port (51h). The guide inclined portion 51a is formed in a hopper shape extending from the upper surface of the first ice making housing 51 to the inside of the installation space 51s by a predetermined length. The water delivered from the water tank 51 by the guide inclined portion 51a is guided to the water supply port 51h of the first ice making housing 51, and through this, an installation space of the first ice making housing 51. It is supplied to the inside of 51s.

In addition, a viewing window 53 is provided on the front surface of the first ice making housing 51. The see-through window 53 is formed of a transparent or translucent material. The see-through window 53 serves to allow the user to visually identify the process of making ice in the ice tray 71 to be described below.

A handle opening 55 is formed at an upper front corner of the first ice making housing 51. The handle opening 55 is formed by cutting a portion of the upper surface of the first ice making housing 51 corresponding to the rear end of the mounting space S and a portion of the upper end of the viewing window 53 adjacent thereto. The handle opening 55 is a place where the user's hand passes for the detachment of the water tank 41. In addition, the cool air inside the freezing compartment 31 is supplied to the installation space 51s of the first ice making housing 51 through the handle opening 55.

A stopper 57 is provided at both inner sides of the first ice making housing 51. The stopper 57 protrudes to the inside of the installation space 51s by a predetermined length from both inner side surfaces of the first ice making housing 51. The stopper 57 supports the ice tray 71 and at the same time serves to twist the ice tray 71 rotated by a predetermined angle.

In addition, a pair of hinge pins 59 are provided at both rear end portions of the rear side of the first ice making housing 51. The hinge pins 59 are formed long left and right so as to have a predetermined length, respectively. The hinge pins 59 are rotatably inserted into the hinge holes 78a of the hinge bracket 78 to be described below.

The ice tray 71 is installed in the installation space 51s of the first ice making housing 51. The ice tray 71 is formed in a rectangular shape. And the ice tray 71 is provided with a plurality of ice making groove (71s) for producing ice. The ice tray 71 is rotatably installed in the installation space 51s of the first ice making housing 51.

To this end, support shafts 72a are provided at short sides of the ice tray 71, respectively. The support shaft 72a is rotatably supported at both ends of both sides of the first ice making housing 51. In addition, as shown in FIG. 5, a rotating lever 73 (see FIG. 5) is provided on a surface corresponding to the tip of the freezing chamber door 31a that is rotated out of both side surfaces of the first ice making housing 51. The pivot lever 73 is connected to any one of the support shafts 72a of the ice tray 71. Therefore, when the user rotates by holding the pivot lever 73 by hand, the ice tray 71 connected thereto is rotated by the support shaft 72a.

The ice tray 71 is horizontally supported by the stopper 57. Therefore, in the state supported by the stopper 57 as described above, the ice tray 71 can be rotated only in one direction by an external force for rotating the pivot lever 73.

In the process of rotating the ice tray 71 in the clockwise direction about the support shaft 72a, one end of the ice tray 71 is caught by the stopper 57. Therefore, the ice tray 71 is twisted in the process of rotating around the support shaft 72a, so that the ice produced in the ice making groove 71s is separated.

In the illustrated embodiment, the stopper 57 is configured to support the left end of the figure of the ice tray 71. Therefore, the ice tray 71 rotates only in the clockwise direction with respect to the support shaft 72a. Hereinafter, for convenience of description, any one of both ends of the ice tray 71 which rotates upward in the process of rotating in the state in which the ice tray 71 is supported by the stopper 57 is called the tip of the ice tray 71. It is called. The other one of both ends of the ice tray 71 corresponding to the other side of the tip of the ice tray 71 is called a rear end.

In addition, although not shown, an elastic member is provided on the support shaft 72a. The elastic member imparts an elastic force to the ice tray 71 in a direction opposite to the direction in which the ice tray 71 rotates, that is, counterclockwise in the drawing. Therefore, when the external force for rotating the pivot lever 73 is removed, the ice tray 71 is restored to the original position by the elastic force of the elastic member.

The sealing groove 72b is formed at the top end of the ice tray 71. The sealing groove 72b is for sealing the ice making groove 71s. The sealing groove 72b is formed to be recessed by a predetermined depth below the top end of the ice tray 71. In addition, a sealing rib 77a of the tray cover 75 to be described below is inserted into the sealing groove 72b.

In addition, a close contact rib 72c is provided at the edge of the upper edge of the ice tray 71 adjacent to the sealing groove 72b. The close contact rib 72c extends upward from the top end of the ice tray 71 by a predetermined distance. The inner surface of the contact rib 72c is in close contact with the outer surface of the seal rib 77a inserted into the seal groove 72b. In the illustrated embodiment, the close contact ribs 72c are provided on the entire upper edge of the upper edge of the ice tray 71.

The tray cover 75 is installed in the installation space 51s of the first ice making housing 51. The tray cover 75 selectively opens and closes the ice making groove 71s of the ice tray 71. The tray cover 75 is formed in a plate shape corresponding to the cross section of the ice tray 71. In addition, the tray cover 75 is preferably formed of a transparent or translucent material so that the user can visually identify the process of manufacturing ice in the ice making groove (71s).

The tray cover 75 is interlocked with the rotation of the ice tray 71 around one end of the both ends corresponding to the rear end of the ice tray 71 (hereinafter referred to as the rear end) of the ice tray 71. The other end corresponding to the tip (hereinafter referred to as 'tip') is rotatably installed up and down. And a water supply port (75h) is formed on one side of the upper surface of the tray cover (75). The water supply port 75h of the tray cover 75 serves as a passage through which water stored in the water storage space 43s of the water tank 41 is supplied to the ice tray 71.

In addition, the upper surface of the tray cover 75 is provided with a water guide surface (75a). The water guide surface 75a is guided by the guide inclined portion 51a to supply water supplied through the water inlet 51h of the first ice making housing 51 to the water inlet 75h of the tray cover 75. It serves as a guide. The water guide surface 75a is formed by inclining a portion of the tray cover 75 downward in a conical shape toward the water supply port 75h.

And the guide portion 75b is provided on the upper surface of the tray cover 75 corresponding to the outer circumference of the water guide surface (75a). The guide portion (75b) is the installation space (51s) of the outside, that is, the first ice making housing 51 in the process of the water is guided to the water supply port (75h) of the tray cover 75 by the water guide surface (75a) ) To prevent it from popping out. In addition, the guide cover 75b may include a portion of the cold air supplied to the installation space 51s of the first ice making housing 51 through the handle opening 55 of the first ice making housing 51. It also serves to guide the ice tray 71 through the water inlet (75h).

To this end, the guide portion 75b protrudes upward from the upper surface of the tray cover 75 corresponding to the outer circumference of the water guide surface 75a. At this time, the guide portion (75b) is formed so that the height is increased toward the portion closest to the rear surface of the freezing chamber door (31a) at the most spaced apart from the rear surface of the freezing chamber door (31a). Referring to the center of the tray cover 75, the guide portion (75b) is increased in height from the portion adjacent to the front end of the tray cover 75 toward the portion closest to the rear end of the tray cover (75) It is formed to be.

On the other hand, the buffer member 76 is provided at the front end of the tray cover 75. The shock absorbing member 76 absorbs the shock generated by contacting the guide inclined portion 51a with the tracker burr 75 which rotates in conjunction with the rotation of the ice tray 71. To this end, the buffer member 76 is formed of a material having a predetermined elasticity.

As shown in detail in FIG. 9, the rear end of the tray cover 75 is provided with a pair of hinge brackets 78. The hinge brackets 78 extend from the rear ends of the tray cover 75 toward the rear inner side of the first ice making housing 51, respectively. Hinge holes 78a are formed at the tip of the hinge bracket 78, respectively. A hinge pin 59 of the first ice making housing 51 is inserted into the hinge hole 78a of the hinge bracket 78. Therefore, the tray cover 75 is rotated up and down about the hinge pin 59 in conjunction with the rotation of the ice tray 71. In the illustrated embodiment, the tray cover 75 rotates in a direction opposite to the direction in which the ice tray 71 rotates around the hinge pin 59.

In addition, a cold guide 79 is provided between the hinge bracket (78). The cold air guide 79 transfers a part of the cold air supplied to the installation space 51s of the first ice making housing 51 through the handle opening 55 of the first ice making housing 51 to the ice tray 71. It serves as a guide. The cold air guide (79) is formed by fixing both ends of the hinge brackets (78) facing each other. Substantially, the tray cover 75, the hinge bracket 78, and the cold air guide 79 are integrally formed. At this time, the cold guide 79 is preferably inclined downward toward the front of the first ice making housing 51 to guide the cold air toward the ice tray 71.

The bottom end of the tray cover 75 is provided with a sealing rib 77a. The sealing rib 77a extends downward from the bottom end of the tray cover 75 by a predetermined length. The front end of the sealing rib 77a is inserted into the sealing groove 72b while the tray cover 75 shields the ice making groove 71s of the ice tray 71. In this way, the inner surface of the close contact rib 72c is in close contact with the outer surface of the closed rib 77a while the front end of the closed rib 77a is inserted into the closed groove 72b.

In addition, one side of the outer surface of the sealing rib (77a) is provided with a border rib (77b). The edge ribs 77b extend perpendicular to the outer surface of the hermetic ribs 77a. And the tip of the sealing rib (77a) is inserted into the sealing groove (72b) in a state in which the contact rib 72c and the sealing rib (77a) in close contact with each other, the contact rib on the bottom surface of the rim rib (77b) The tip of 72c is in close contact.

In the illustrated embodiment, the ice tray 71 and the tray cover 75 are sealed by the sealing groove 72b, the close rib 72c, the sealing rib 77a, and the edge rib 77b. It is not limited to this. For example, a sealing member such as a gasket may be provided at an upper edge of the ice tray 71 or a lower edge of the tray cover 75 to seal the both.

The second ice making housing 61 is detachably installed on the rear surface of the freezing compartment door 31a corresponding to the lower side of the first ice making housing 51. To this end, fixing grooves (not shown) into which fixing protrusions of the support side wall 31b are inserted are formed on both outer sides of the second ice making housing 61, similarly to the first ice making housing 51.

As shown in FIG. 10, the second ice making housing 61 is formed in a polyhedral shape in which a part of the rear surface, an upper portion and a lower side thereof which are in close contact with the rear surface of the freezing chamber door 31a is opened. In the state where the second ice making housing 61 is installed on the rear surface of the freezing compartment door 31a, the opened front surface of the second ice making housing 61 communicates with the upper portion of the inlet and outlet 35c. The opened upper and lower portions of the second ice making housing 61 communicate with the opened lower portion of the first ice making housing 51 and the opened upper portion of the home bag housing 35a, respectively. At this time, only a part of the opened front surface of the second ice making housing 61 communicates with the upper portion of the inlet / outlet 35c.

Any one of the fixing protrusions of the support side wall 31b protrudes into the installation space 61s through a part of the opened both side surfaces of the second ice making housing 61. In addition, a cold air supply port 62 is provided on the front surface of the second ice making housing 61. The cold air supply port 62 serves to transfer the cold air inside the freezing compartment 31 to the installation space 61s of the second ice making housing 61.

On the other hand, the ice bank 81 is installed in the installation space (61s) of the second ice making housing (61). The ice bank 81 is installed in and out of the installation space 61s of the second ice making housing 61 through the inlet and outlet 35c. The ice bank 81 is formed in a hexahedral shape in which an upper portion thereof is opened. The ice bank 81 is provided with an ice storage space 81 s in which the ice produced by the ice tray 71 is stored. In addition, one surface of the ice bank 81 is formed of a transparent or translucent material so that the ice stored in the ice storage space 81s can be identified from the outside.

The ice bank 81 is withdrawn into and out of the installation space 61s of the second ice making housing 61 through the inlet and outlet 35c. Therefore, for convenience of description, one surface of the ice bank 81 seen from the front surface of the freezer compartment 31a is referred to as the front surface of the ice bank 81. This is the same in the other configuration for the withdrawal of the ice bank 81, that is, the guide box 83 and the guide frame 87 to be described below.

A locking rib 81a is provided at the lower end of the front surface of the ice bank 81. And interlocking protrusions (81b) are provided at the rear end of both sides of the ice bank 81, respectively. The locking ribs 81a extend downwardly from the lower end of the front surface of the ice bank 81 by a predetermined length and are formed long left and right. The linkage protrusion 81b protrudes upward by a predetermined height from the rear end portions of both sides of the ice bank 81.

The locking rib 81a and the interlocking protrusion 81b interlock with the ice bank 81 moving in and out of the installation space 61s of the second ice making housing 61 through the inlet and outlet 35c. Guide box 83 to move. To this end, the locking ribs 81a and the interlocking protrusions 81b are selectively in close contact with the bottom end of the guide box 83 and the rear end of the interlocking rib 83a of the guide box 83, respectively.

In addition, a pair of flow preventing grooves 81c are formed at the bottom of the ice bank 81. The flow preventing groove 81c has a portion of the bottom surface of the ice bank 81 recessed upward and formed long in the front and rear directions. The flow preventing groove 81c is for preventing the ice bank 81 from flowing in a direction orthogonal to the moving direction in a state in which the ice bank 81 is seated on the guide box 83.

An inclined portion 81d is provided at a lower rear portion of the ice bank 81. The inclined portion 81d has a rear end portion of the ice bank 81 in a direction in which the ice bank 81 is drawn out of the installation space 61s of the second ice making housing 61 through the inlet and outlet 35c. It is formed by tilting downward toward it. The inclined portion 81d upwards the ice bank 81 drawn out of the installation space 61s of the second ice making housing 61 through the inlet and outlet 35c in the guide box 83. It is to be removed from the guide box 83 by moving inclined.

A guide box 83 is installed in the installation space 61s of the second ice making housing 61. The guide box 83 is formed in a hexahedral shape in which front and rear surfaces and upper portions thereof open in correspondence with the ice bank 81. The ice bank 81 is seated inside the guide box 83. The guide box 83 is guided by the guide frame 87 in the state where the ice bank 81 is seated, and into and out of the installation space 61s of the second ice making housing 61 through the opening 35c. Are withdrawn.

In the state where the ice bank 81 is seated, the bottom end of the guide box 83 is in close contact with the rear surface of the locking rib 81a. Therefore, when the ice bank 81 moves in the direction in which the ice bank 81 is received into the installation space 61s of the second ice making housing 61, the locking rib 81a pushes the bottom end of the guide box 83. By zooming in, the guide box 83 is stored in association with the ice bank 81.

Interlocking ribs 83a are provided at upper ends of both sides of the guide box 83. The interlocking rib 83a extends by a predetermined length in a direction facing each other at the upper center portions of both side surfaces of the guide box 83. When the ice bank 81 moves in a direction to be drawn out of the installation space 61s of the second ice making housing 61 through the opening 35c, the interlocking protrusion 81b moves through the interlocking rib 83a. The guide box 83 is pulled out in conjunction with the ice bank 81 by pushing the interlocking rib 83a in close contact with the rear end of the).

As shown in FIG. 10, interlocking brackets 83b are provided at both lower ends of the rear side of the guide box 83, respectively. The interlocking bracket 83b is provided at both rear end portions of the bottom end of the guide box 83 to be in close contact with both the inclined portion 81d and the rear end portions of the ice bank 81. Therefore, when the ice bank 81 moves in the direction in which the ice bank 81 is accommodated into the installation space 61s of the second ice making housing 61, the inclined portions 81d and the rear end portions of the ice bank 81 are interlocked with each other. By pushing the bracket 83b, the guide box 83 is stored in association with the ice bank 81.

In addition, referring to Figure 11, the bottom of the guide box 83 is provided with a pair of flow prevention ribs (83c). The flow preventing ribs 83c are elongated forward and backward on the bottom surface of the guide box 83 and protrude upward by a predetermined height. In the state where the ice bank 81 is seated in the guide box 83, the flow preventing rib 83c is inserted into the flow preventing groove 81c. Therefore, the ice bank 81 does not flow in the direction left and right, that is, orthogonal to the withdrawal direction in the state seated on the guide box 83.

A pair of guide protrusions 84 and 85 are provided on both side surfaces of the guide box 83, respectively. The guide protrusions 84 and 85 are inserted into and out of the installation space 61s of the second ice making housing 61 through the inlet and outlet 35c while the ice bank 81 is seated. It is for guiding 83. The guide protrusions 84 and 85 slide along the guide slots 88 and 89 while being inserted into the guide slots 88 and 89 of the guide frame 87.

In the illustrated embodiment, the guide protrusions 84 and 85 are composed of a first guide protrusion 84 and a second guide protrusion 85. The first guide protrusion 84 protrudes outward from an upper end of both side outer center portions of the guide box 83. The second guide protrusion 85 protrudes outward from the center of both side outer rear end portions of the guide box 83 corresponding to the first guide protrusion 84. That is, the first guide protrusion 84 and the second guide protrusion 85 have the installation space of the second ice making housing 61 through the ice bank 81 and the guide box 85 through the inlet and outlet 35c. 61s) spaced apart from each other by a predetermined distance in a direction in and out of the inside and outside. This is to allow the ice bank 81 and the guide box 83 to be level in the state accommodated in the installation space 61s of the second ice making housing 61.

On the other hand, the guide frame 87 is provided to guide the guide box 83 in and out of the second ice making housing 61 in the ice bank 81 is seated. As shown in detail in FIG. 12, the guide frame 87 is formed in a hexahedral shape in which front and rear surfaces and lower portions thereof are opened, and the guide box 83 is installed in the front and rear of the guide frame 83.

The upper surface of the guide frame 87 is provided with an ice transfer opening (87a). The ice transfer opening 87a serves as a path through which the ice produced by the ice tray 71 is supplied to the ice storage space 81s of the ice bank 81. The ice transfer opening 87a is formed by opening an upper surface of the guide frame 87. The ice transfer opening 87a may be formed in a rectangular shape having a size equal to or less than an opening of the ice bank 81, that is, an inlet of the ice storage space 81s.

And the ice transfer guide portion (87b) is provided on the upper surface of the guide frame 87 corresponding to the edge of the ice transfer opening (87a). The ice transfer guide portion 87b is formed in a hopper shape in which both sides thereof are inclined downward toward the ice transfer opening 87a. The ice transfer guide 87b serves to guide the ice produced by the ice tray 71 to the ice storage space 81s of the ice bank 81 through the ice transfer opening 87a. .

The guide frame 87 guides the guide box 83 on which the ice bank 81 is seated to be inclined downward toward the opened front surface of the guide frame 87, that is, the entrance and exit port 35c. This is because the ice bank 81 and the guide box 83 are introduced into and out of the installation space 61s of the second ice making housing 61, and the ice bank 81 is stored in the ice. This is to prevent the phenomenon in which the ice bank 81 is not disturbed by the ice stored in the space 81s is caught on the rear surface of the freezer door 31a adjacent to the entrance and exit 35c.

As described above, a pair of guide slots 88 and 89 are provided at both sides of the guide frame 87 to guide the ice bank 81 and the guide box 83 inclined downward toward the inlet and outlet 35c. . Each of the guide slots 88 and 89 slides with the guide protrusions 84 and 85 inserted therein. The guide slots 88 and 89 may include a first guide slot 88 in which the first guide protrusion 84 is inserted and sliding, and a second guide slot in which the second guide protrusion 85 is inserted and sliding. 89).

The ice bank 81 is seated in the process of sliding the first guide protrusion 84 and the second guide protrusion 85 along the first guide slot 88 and the second guide slot 89, respectively. The guide box 83 moves horizontally toward the entrance and exit 35c by a predetermined distance, and then moves downwardly toward the entrance and exit 35c. As described above, the guide box 83 on which the ice bank 81 moves horizontally moves horizontally toward the inlet and outlet 35c to install the space of the second ice making housing 61 through the inlet and outlet 35c. It is drawn out of 61s.

Referring to FIG. 11, the first guide slot 88 is provided with a first horizontal section 88a, an inclined section 88b, and a second horizontal section 88c. The first horizontal section 88a is a direction in which the guide box 83 on which the ice bank 81 is seated is drawn from the upper end of both side surfaces of the guide frame 87, that is, the front ends of both sides of the guide frame 87. Extends horizontally toward the predetermined length. The inclined section 88b extends by a predetermined length downward in a direction toward the direction in which the guide box 83 on which the ice bank 81 is seated is drawn at the front end of the first horizontal section 88a. The second horizontal section 88c extends horizontally by a predetermined length toward the direction in which the guide box 83, on which the ice bank 81 is seated, is drawn out at the front end of the inclined section 88b. The front end of the second horizontal section 88c is located at the center of both front end portions of the guide frame 87.

The second guide slot 89 also includes a first horizontal section 89a, an inclined section 89b, and a second horizontal section 89c. The first horizontal section 89a is a direction in which the guide box 83 in which the ice bank 81 is seated is drawn from the center of the rear end portions of both side surfaces of the guide frame 87, that is, both side surfaces of the guide frame 87. It extends horizontally toward the front end by a predetermined length. The inclined section 89b extends by a predetermined length downward in a direction toward the direction in which the guide box 83 on which the ice bank 81 is seated is drawn at the front end of the first horizontal section 89a. The second horizontal section 89c extends horizontally by a predetermined length toward the direction in which the guide box 83 on which the ice bank 81 is seated is drawn out at the front end of the inclined section 89b. The front end of the second horizontal section (89c) is located at the lower end of both side of the guide frame 87.

The guide box 83 on which the ice bank 81 is seated is positioned inside the guide frame 87, that is, the guide box 83 is installed in the second ice making housing 61. In the state accommodated in the inside, the first guide protrusion 84 and the second guide protrusion 85 are respectively rear end of the first horizontal section 88a of the first guide slot 88 and the second guide slot ( 89 is located at the rear end of the first horizontal section 89a. At this time, the ice bank 81 and the guide box 83 is positioned adjacent to the upper end of the ice transfer opening (87a) and the entrance and exit port 35c of the guide frame 87 on the upper surface in a horizontal state.

In this state, when the guide box 83 on which the ice bank 81 is seated moves toward the inlet and outlet 35c, the first guide protrusion 84 and the second guide protrusion 85 are respectively It slides along the inclined section 88b of the first guide slot 88 and the inclined section 89b of the second guide slot 89. Therefore, the guide box 83 is inclined downward toward the entrance and exit 35c. At this time, the upper surface of the ice bank 81 and the guide box 83 is spaced downward by a predetermined distance from the upper end of the ice transfer opening (87a) and the entrance and exit port (35c) of the guide frame (87).

Next, when the guide box 83 on which the ice bank 81 is seated continues to move toward the inlet and outlet 35c, the first guide protrusion 84 and the second guide protrusion 85 are respectively made of the first guide protrusion 84. It slides along the second horizontal section 88c of the first guide slot 88 and the second horizontal section 88c of the second guide slot 89. In addition, the first guide protrusion 84 and the second guide protrusion 85 are respectively front end of the second horizontal section 88c of the first guide slot 88 and the second horizontal section of the second guide slot 89. When it is positioned at the front end, a portion of the tip of the guide box 83 and the ice bank 81 seated thereon is outside the installation space 61s of the second ice making housing 61 through the inlet and outlet 35c. Withdrawn.

Meanwhile, fixing grooves 87c are formed at both outer sides of the guide frame 87, respectively. The fixing groove 87c is for fixing the guide frame 87. The side wall 31b of the freezing chamber door 31a protrudes into the installation space 61s of the second ice making housing 61 through a part of both sides of the opening of the second ice making housing 61 in the fixing groove 87c. The fixing protrusion provided in the is inserted.

In the illustrated embodiment, the ice bank 81 is guided by the guide frame 87 in a state in which the ice bank 81 is seated on the guide box 83. However, according to another embodiment of the present invention, the guide box 83 may be omitted so that the ice bank 81 may be directly guided by the guide frame 87. In such a case, guide protrusions are provided on both outer sides of the ice bank 81 and the front ends of the guide slots 88 and 89 formed in the guide frame 81, that is, the second horizontal section 88c ( 89c) may be formed to penetrate through both side ends of the guide frame 81 to be opened to the outside.

Hereinafter, a process of manufacturing ice by the ice maker for a refrigerator according to the present invention will be described in more detail with reference to the accompanying drawings.

13A and 13B illustrate a mounting process of a water tank constituting the ice maker for a refrigerator according to the present invention, and FIGS. 14A and 14B illustrate an ice tray constituting a preferred embodiment of the ice maker for the refrigerator according to the present invention. The operation process of the is shown, Figure 15a to 15c is shown the withdrawal process of the ice bank constituting a preferred embodiment of the icemaker for a refrigerator according to the present invention.

First, as shown in FIG. 13A, the water tank 41 is slid into the mounting space S. FIG. At this time, the outlet 43h of the water tank 41 is shielded by the valve cover 46c. As described above, in the process of mounting the water tank 41 in the mounting space S, the top and bottom surfaces of the tank body 42 are respectively the bottom and the first ice making housing 51 of the door basket 34. Contact with the upper surface. Then, the guide ribs 53 of the first ice making housing 51 are slid into the guide grooves 42c of the tank body 42, respectively. That is, the mounting of the water tank 41 is guided by the guide ribs 53 and the guide grooves 42c.

Meanwhile, as shown in FIG. 13B, when the water tank 41 is mounted inside the mounting space S, the discharge port 43h of the water tank 41 supplies water to the first ice making housing 51. It is located corresponding to the sphere 51h. The fastening protrusion 42e of the water tank 41 is elastically fastened to the fastening hook 34a of the door basket 34. Therefore, the water tank 41 is not detached arbitrarily in a state in which it is mounted in the mounting space (S).

In addition, when the water tank 41 is mounted in the mounting space S, the valve lever 46 is driven by the driving protrusion 34c to rotate upward. In addition, the valve protrusion 46b of the valve lever 46 also moves upward, that is, into the storage space 43s of the water tank 41. Therefore, the valve cover 46c which shields the outlet 43h of the water tank 41 also moves upwards to open the outlet 43h of the water tank 41.

When the discharge port 43h of the water tank 41 is opened in this way, water stored in the storage space 43s of the water tank 41 passes through the water supply port 51h of the first ice making housing 51. It falls on the upper surface of the tray cover 75. At this time, the water stored in the reservoir space 43s of the water tank 41 is guided to the water supply port 51h of the first ice making housing 51 by the guide inclining portion 51a of the first ice making housing 51. .

And the water guided to the water supply port (75h) of the tray cover 75 is delivered to the ice making groove (71s) of the ice tray (71). At this time, the water stored in the water storage space 43s of the water tank 41 substantially falls on the water guide surface 75a of the tray cover 75. Therefore, the water stored in the water storage space 43s of the water tank 41 is guided by the water guide surface 75a of the tray cover 75 and the ice tray through the water supply port 75h of the tray cover 75. It is delivered to the ice making groove 71s of 71.

In addition, the water stored in the water storage space 43s of the water tank 41 splashes into the installation space 51s of the first ice making housing 51 in the process of falling on the water guide surface 75a of the tray cover 75. Developing is prevented by the guide portion 75b. Therefore, the installation space 51s of the first ice making housing 51 is not contaminated by water transferred from the water tank 41.

Meanwhile, ice is produced by freezing the water delivered to the ice making groove 71s of the ice tray 71 by the cold air of the freezing chamber 31. At this time, cold air of the freezing compartment 31 is supplied to the installation space 51s of the first ice making housing 51 through the handle opening 55 of the first ice making housing 51. The cold air supplied to the installation space 51s of the first ice making housing 51 is guided toward the ice tray 71 by the cold air guide 79 and the guide part 75b.

Next, when the water contained in the ice making groove 71s of the ice tray 71 is frozen and ice is produced, the rotation lever 73 is rotated. Therefore, as shown in FIG. 14B, the ice tray 71 connected to the rotation lever 73 rotates clockwise in the drawing about the support shaft 72a.

When the ice tray 71 rotates by a predetermined angle, one side of the ice tray 71 is caught by the stopper 57. Therefore, the ice prepared by twisting the ice tray 71 is separated from the ice making groove (71s). The ice separated from the ice making groove 71s of the ice tray 71 is transferred to and stored in the ice storage space 81s of the ice bank 81. At this time, the ice stored in the ice bank 81 is guided by the ice transfer guide 87b of the guide frame 87 and is transferred through the ice transfer opening 87a of the guide frame 87.

As shown in FIG. 15A, in order to use the ice stored in the ice storage space 81s of the ice bank 81, first, the home bar door 35b of the home bar 35 is opened to open the entrance and exit 35c. The ice bank 81 is pulled out of the installation space 61s of the second ice making housing 61, that is, in the withdrawal direction.

In this case, as shown in FIG. 15B, the guide box 83 on which the ice bank 81 is seated also moves in the extraction direction by friction between the two. And the movement of the ice bank 81 and the guide box 83 is guided by the guide protrusions 84 and 85 of the guide box 83 and the guide slots 88 and 89 of the guide frame 87. do.

That is, the guide protrusions 84 and 85 may be formed by the first horizontal section 88a and 89a and the inclined section 88b and 89b of the guide slots 88 and 89, and the second horizontal section 88c. When sliding along 89c), the guide box 83 moves horizontally in the drawing direction and then moves downwardly and then horizontally again. Therefore, even if ice is excessively stored in the ice storage space 81s of the ice bank 81 and a portion of the ice protrudes above the ice bank 81, the withdrawal of the ice bank 81 is not in the freezer door 31a. It is not to be disturbed by.

When the guide protrusions 84 and 85 are positioned in front of the second horizontal section 88c and 89c of the guide slots 88 and 89, respectively, the guide box 83 is no longer moved in the drawing direction. You won't be able to. In this state, as shown in FIG. 15C, when the ice bank 81 is continuously pulled in the withdrawal direction, only the ice bank 81 moves in the withdrawal direction and the first through the inlet and outlet 35c. It is drawn out to the installation space 51s of the ice making housing 51.

At this time, the ice bank 81 moves in the withdrawal direction until the interlocking protrusion 81b is in close contact with the rear end of the interlocking rib 83a of the guide box 83. And the interlocking protrusion (81b) is in close contact with the rear end of the interlocking rib (83a), the ice bank 81 is the installation space of the first ice making housing (51) only through the entrance portion 35c It is withdrawn to 51s.

In this state, the ice bank 81 is moved so that its tip is inclined upward in the withdrawal direction. Therefore, the ice bank 81 is removed from the guide box 83 and is completely drawn out of the installation space 51s of the first ice making housing 51. At this time, in the process of separating the ice bank 81 from the guide box 83 by the inclined portion 81d of the ice bank 81, both do not interfere with each other.

Within the scope of the basic technical idea of the present invention, many modifications are possible to those skilled in the art, and the scope of the present invention should be interpreted based on the appended claims. will be.

According to the icemaker for a refrigerator according to the present invention configured as described above, the following effects can be expected.

First, in the present invention, water for producing ice is selectively supplied to the ice tray by attaching and detaching the water tank while stored in the water tank. Therefore, water from which ice is produced may be splashed out of the water tank or the ice tray to prevent the freezing chamber or the room from becoming dirty.

In the present invention, the ice tray is installed in the installation space of the ice making housing that is partitioned from the freezer compartment, and the ice tray is configured to be sealed in a state where the ice tray of the ice tray is shielded by the tray cover. Therefore, when the ice tray receives water from the water tank and prevents the smell of other foods stored in the freezer in the process of making ice, the user can use the ice more hygienically and comfortably. .

In addition, in the present invention, the cold air supplied to the installation space of the ice making housing is configured to be more efficiently delivered to the ice tray. Therefore, the time required for making ice in the ice tray is reduced, so that the user can use the ice more quickly.

Claims (11)

A water tank detachably installed on a rear surface of the refrigerator door and storing water therein; An ice making housing installed on a rear surface of the door corresponding to the lower side of the water tank and having a predetermined installation space therein; An ice tray installed in the installation space and having a plurality of ice making grooves formed to receive ice from water stored in the water tank; A tray cover installed in the installation space to selectively open and close the ice making groove; And An ice bank installed in the installation space and storing the ice produced by the ice tray; It is configured to include, The ice tray is provided on both sides of the ice making apparatus for a refrigerator, characterized in that rotatably installed in the installation space around a pair of support shaft that is rotatably supported inside the ice making housing. delete The method of claim 1, The tray cover extends from both sides of the corresponding one end of the tray cover so that the tip thereof is pivotally connected to the inside of the ice making housing so that the tray cover is interlocked with the rotation of the ice tray with respect to one end of the hinge bracket. An ice maker for a refrigerator, characterized in that the front end is rotatably installed. The method of claim 3, wherein The bottom end of the tray cover is provided with a sealing rib extending downward by a predetermined length, One end of the ice tray corresponding to the front end of the tray cover is depressed downward by a predetermined depth is provided with a sealing groove for inserting the front end of the sealing ribs. The method of claim 4, wherein One end of the ice tray adjacent to the sealing groove is further provided with a close rib extending upward by a predetermined length so that the inner surface is in close contact with the outer surface of the sealing rib, The outer surface of the hermetic rib extending perpendicularly by a predetermined length so that the edge rib of the contact rib is in close contact with the bottom surface is further provided for the refrigerator ice maker. The method of claim 5, Refrigerating device for a refrigerator, characterized in that the water supply port for delivering the water stored in the water tank to the ice tray is formed on one side of the tray cover. The method of claim 6, The upper surface of the tray cover adjacent to the water inlet is provided with a water guide surface for guiding the water stored in the water tank to the water inlet, An upper surface of the tray cover corresponding to the outer circumference of the water guide surface is formed in the ice making housing while preventing water from splashing out while water stored in the water tank is supplied to the ice making groove of the ice tray through a water supply port. And a guide part for guiding the cold air supplied into the installation space through the cold air supply port to the ice tray through the water supply port. The method of claim 7, wherein And the guide part protrudes upward from an upper surface of the tray cover so that a height increases in a direction in which cold air is supplied through the cold air supply port. The method of claim 8, The hinge bracket includes a cold air guide for guiding the cold air supplied into the installation space through the cold air supply port to the ice tray. The method of claim 9, The cold air guide is an ice making apparatus for a refrigerator, characterized in that connected to each other between the mutually opposite surfaces of the hinge bracket inclined at a predetermined angle toward the ice tray. The method of claim 10, Refrigerator deicing device is provided at the front end of the tray cover to absorb the shock generated by one side of the tray cover to rotate in conjunction with the rotation of the ice bank in contact with one side of the ice making housing.

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