KR20080023426A - Ice making machine - Google Patents

Abstract

An ice maker is provided to mount a cover to an ice making container to prevent water in the ice making container from overflowing when opening or closing the door of a refrigerator, thereby preventing ice pieces from gathering in a mass by the overflow. An ice maker includes a rotation cam(52) mounted to an ice separating lever shaft(51) of an ice separating element and rotating in association with the rotation of an ice separating lever(50), and a cover(70) formed in the longitudinal direction of an ice making container(30) for preventing water from scattering forward. The cover rotates to open and close the ice making container in association with the rotation of the rotation cam, wherein the cover has a guide(71) being in contact with the rotation cam.

Description

ICE MAKING MACHINE}

1 is a view showing an ice maker according to a first embodiment of the present invention.

2A to 2C are views schematically showing an operating state of the ice making device according to the first embodiment of the present invention.

3 is a schematic view of an ice maker according to a second embodiment of the present invention.

4 is a view showing an operating state of an ice maker according to a second embodiment of the present invention.

5 is a schematic view of an ice maker according to a third embodiment of the present invention.

6 is a view showing an operating state of an ice maker according to a third embodiment of the present invention.

7 and 8 are views showing a conventional icemaker.

Description of the Related Art [0002]

1, 10; An ice making device 2, 20; Control box

3, 30; Ice making containers 4 and 40; Water basket

5, 50; Eating lever 6, 60; Detaching lever

21; A first engaging portion 22; Joining ball

51; An idle lever shaft 52; Rotation cam

70, 170, 270; Prevention cover 71; guide

72; Hinge 73; The second engaging portion

152; A first gear 171; The second gear

251; A power transmission gear 252; Planetary gear

271; Internal gear S; spring

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to an ice maker for use in a refrigerator or a freezer, and more particularly, to an ice maker for preventing ice from overflowing from an ice maker when a door of a refrigerator is opened and closed, .

7, the general ice maker 1 refers to an ice maker installed in a refrigerator (not shown) or a freezer (not shown) to de-icing ice. The water supply means includes a sensor (not shown) for sensing whether the ice-making container 3 is filled with the purified water, a lake (not shown) for supplying the purified water, And a water supply unit integrally formed on one side of the ice-making container 3. The water-supply container 3 and the ice-making container 3 are connected to each other.

When a predetermined amount of purified water is supplied to the ice-making container 3 through the water basket 4 by the water supply means, the purified water is de-iced by the cool air supplied from the refrigerator or the freezer.

Then, the ice-making lever 5 is rotated in a state where the surface of the ice is slightly melted and separated from the ice-making container 3, among the heater (not shown) and the ice-making lever 5 The ice in the ice-making container 3 is pushed out and dropped down to the ice storage case (not shown) located at the lower side to store the ice cubes.

In the ice making device 1 having such a structure, the user often opens and closes the door of the refrigerator at any time in the summer.

Here, when the door of the refrigerator is opened and closed in the state where the water filled in the ice-making container 3 of the ice-making device 1 installed on the door of the refrigerator is not frozen, the water in the ice-making container 3 flows toward the front of the ice- .

8 is a perspective view showing a tray 12 for storing purified water and a water supply unit 12 for supplying purified water to the tray 12, (13) for picking up and discharging frozen ice from the tray (12), and a check valve for detecting the full ice of the ice storage container (16) mounted on the lower end of the tray (12) The ice maker 1 includes a stage 14 and a control box 15 to which heating means is installed and which is provided at the lower end of the tray 12, 3 on the freezing chamber 31 side door 32 and is provided on the ice-making shaft 131 constituting the ice-making means 13 and is provided on the opposite side of the ice-making lever 13 ' And a soft protector 2 formed so as to close and cover the upper end of the protrusion 12.

However, when the soft protector rotates together with the floating lever, the protector must be bent well. If the protector is bent properly, when the door of the refrigerator is opened and closed, water contained in the tray may be pushed down and flow down.

In order to overcome this problem, a plurality of protectors are formed to overlap each other little by little. However, there is a problem that water leaks into the overlapping gaps.

In addition, there is a case in which the protector is frozen in a state in which the protector is immersed in water, the freezing lever can not be rotated by the frozen protector, or the protector is damaged by an unreasonable rotational force.

Thus, the flowing water falls into an ice storage case, and the ice stored in the ice storage case is tangled with each other to become a lump ice instead of a piece ice.

This is a major factor in customer complaints due to the inability to meet customer 's needs.

An object of the present invention is to provide an ice maker capable of preventing water in an unfrozen state in the ice tray from splashing or flowing down toward the front of the ice tray when the door of the refrigerator is opened and closed.

An object of the present invention is to provide an ice making machine which comprises an ice making container for storing water, ice making means installed inside the ice making container, water supplying means provided on one of the ice making containers, Wherein the rotation cam is provided at one side of the ice-making means; And a protection cover that prevents water from splashing forward of the ice maker and that is opened and closed only when the ice tray is rotated according to the rotation of the rotation cam, and a guide that contacts the rotation cam is formed. .

An object of the present invention is to provide an ice making machine which comprises an ice making container for storing water, ice making means provided on the inside of the ice making container, water supplying means provided on one of the ice making containers, and control box provided on the other side of the ice making container A first gear provided on one side of the ice-making means and having predetermined gear teeth; And a preventive cover which prevents water from splashing to the front of the ice maker and which is opened and closed only when it is freezing and a second gear which rotates in engagement with the first gear is formed. .

An object of the present invention is to provide an ice making machine which comprises an ice making container for storing water, ice making means provided on the inside of the ice making container, water supplying means provided on one of the ice making containers, and control box provided on the other side of the ice making container A power transmission gear provided on one side of the ice-making means and having predetermined gear teeth; A planetary gear rotating in engagement with the power transmission gear; And an anti-icing device that prevents water from splashing forward of the ice maker and that is opened and closed only when the ice maker is unavailable and has an internal gear rotated in engagement with the planetary gear.

At least one of the first gear, the power transmission gear, the planetary gear, and the rotation cam may be installed at one side of the control box and at least one side of the ice tray.

The cover may further include a spring installed on one side of the protection cover to automatically close the protection cover.

In addition, the at least one gear of the second gear or the planetary gear may further include a deceleration device that stops the rotation speed when the prevention cover is closed.

Hereinafter, embodiments of the present invention will be described in detail with reference to the accompanying drawings.

1, the ice maker 10 according to the first embodiment of the present invention includes an ice tray 30, an ice tray, a water supply means, a control box 20, a rotation cam 52, (70).

The ice making container 30 is partitioned into a predetermined area to form several pieces of ice.

The releasing means includes a releasing lever (50) and a heater (not shown).

The ice-making lever (50) is provided on one side of the control box (20) so as to be rotatable in the lateral direction on the other side of the ice-making container (30) and protrudes forward by a predetermined number of the ice- The ice in the apparatus 10 is pushed and rotated.

The heater is installed in the lower portion of the ice-making container (30) and is used to heat the lower end of the ice-making container (30).

The water supply means includes a water supply lacquer (not shown) and a water basket 40.

The water supply lakes are used to supply water to the water baskets 40.

The water basket (40) is installed at one side of the ice tray (30) and communicates with the ice tray (30). Accordingly, the water supplied from the water supply lake is supplied to the ice-making container 30 through the water basket 40.

Here, a water level sensor (not shown) for measuring the water level of the ice-making container 30 may be installed on one side of the ice-making container 30. As a result, excessive water is supplied to the ice-making container 30 to prevent water from overflowing from the ice-making container 30.

In addition, a temperature sensor (not shown) may be installed in the ice-making container 30 to measure the temperature of the water or freezing ice. Accordingly, the temperature of the water or frozen ice supplied to the ice-making container 30 is measured, and the water is supplied in a predetermined amount from the water-supplying means. This is because it takes a certain amount of time to freeze when a large amount of water is supplied to the ice-making container 30 at a time. At this time, when the door (not shown) of the refrigerator is opened and closed, This is to prevent leakage to some extent. Therefore, it is preferable that water is supplied to the ice-making container 30 in a predetermined amount while being freeze.

The control box 20 is provided on the other side of the ice making container 30 and supplies power to the temperature sensor, the water level sensor, the ice lever 50 and the heater.

The first locking part 21 and the coupling hole 22 are formed on one side of the control box 20. This will be described later.

Here, a motor (not shown) may be installed in the control box 20 to supply the power of the ice lever 50. Further, a reduction gear (not shown) for reducing the rotation speed of the idle lever 50 may be provided. An ice detecting lever (60) for detecting the ice filling state may be installed in the ice storage case (not shown).

The rotary cam 52 is fixedly mounted on a line of the idle lever shaft 51. Thus, when the ice lever 50 rotates, the rotation cam 52 also rotates.

The preventive cover 70 is formed by a length corresponding to the longitudinal direction of the ice tray 30 and is provided between the engagement hole 22 formed in the control box 20 and the engagement hole formed in the ice tray 30 A hinge 72 is coupled and rotatably installed.

A guide 71 is formed at one side of the protection cover 70 to be in contact with the peripheral surface of the rotation cam 52, and a second engagement portion 73 is formed. The spring S is fitted to the hinge 72 of the protection cover 70 and the first engagement portion 21 formed in the control box 20 and the second engagement portion 73 formed in the protection cover 70 are engaged with each other, Respectively. As a result, the protection cover 70 is always kept closed normally.

Here, a rubber member (not shown) may be provided in the longitudinal direction at a portion where the preventive cover contacts the ice-making container, that is, inside the preventive cover.

Therefore, it is possible to prevent water from splashing or flowing down toward the front of the ice-making container 30 when the door of the refrigerator is opened and closed in a state where the water contained in the ice-making container 30 is not frozen.

Further, by preventing the water from falling in the ice-making container (30), the ice contained in the ice storage case is prevented from tangling with each other and freezing.

Here, the first engaging portion 21, the second engaging portion 73, the hinge 72, and the engaging hole 22 can be formed in different positions according to the needs of those skilled in the art.

Hereinafter, an operation state of the ice making device 10 according to the first embodiment of the present invention will be described with reference to FIGS. 3A to 3C. FIG.

Water is supplied to the ice-making container 30 from the water supply means to freeze the water.

The temperature sensor installed in the ice-making container 30 checks the freezing state of water, and when the water is completely frozen, the heater is operated to heat the lower end of the ice-making container 30.

Then, the bottom surface of the ice frozen in the ice-making container 30 is melted to a predetermined degree to be easily released from the ice-making container 30, and then the ice-making lever 50 is operated to release the ice from the ice-

3B, when the idle lever 50 is operated, the rotation cam 52 is also rotated, and the rotation cam 52 is rotated until the rotation cam 52 comes into contact with the guide 71 of the prevention cover 70, The ice tray 52, the ice lever 50 and the ice rotate together.

3C, when the outer surface of the rotation cam 52 comes into contact with the guide 71 of the protection cover 70, the rotation cam 52 lifts the protection cover 70, Is opened.

When the prevention cover 70 is opened to a predetermined degree, the ice is discharged from the ice-making container 30 by the ice-making lever 50 and accumulated in the ice-storing case installed under the ice-making container 30.

Then, the protection cover 70 is closed by the spring S.

Here, the prevention cover 70 is not closed immediately by the spring S, but is slowly closed down as the rotation cam 52 rotates. As a result, the prevention cover 70 is prevented from being abruptly closed and the breakage of the protection cover 70 and the ice tray 30 can be prevented.

4 and 5 according to a second embodiment of the present invention, an ice maker 100 of the present invention includes an ice tray 30, an ice tray, a water supply unit, a control box (not shown), a first gear 151 and an anti-fake cover 170.

Here, the same reference numerals as used in the ice maker according to the embodiment of the present invention may be omitted as necessary.

The first gear 151 is formed with only a predetermined number of gear teeth in a region around the gear, and is fixedly mounted on the line of the idle lever shaft 51. This will be described later.

The protection cover has a second gear 171 formed around one v 172 and is the same as the installation method described in the first embodiment.

On the other hand, the second gear 171 is installed so as to be held by predetermined gear teeth formed on the first gear 151 when the first gear 151 rotates.

5, when the ice lever 50 rotates, the first gear 151 also rotates together and rotates by a predetermined degree, and is caught by the second gear 171 formed on the anti-lock cover 170. As shown in FIG.

Here, when the ice-making lever 50 is further rotated, the prevention cover 170 is opened, and the ice is discharged from the ice-making container 30 by the ice-making lever 50.

Meanwhile, when the idle lever 50 continues to rotate, the teeth of the first gear 151 stuck to the second gear 171 are released, and the spring S closes the protection cover 170.

6 and 7 according to a third embodiment of the present invention, the ice making apparatus 200 of the present invention includes an ice tray 30, an ice tray, a water supply means, a control box (not shown), a power transmission gear 251, a planetary gear 252, and a protection cover 270.

Here, the same reference numerals as used in the ice maker according to the embodiment of the present invention may be omitted as necessary.

The power transmission gear 251 is formed similarly to the first gear 151 described in the second embodiment and fixedly mounted on a line of the idle lever shaft 51. [

The planetary gear 252 is installed on one side of the control box so as to rotate when the power transmission gear 251 rotates.

The preventive cover 270 is rotatably provided on the line of the idle lever shaft 51 and has an internal gear 271 so as to be slidably engaged with the planetary gear 252 on one side of the anti- Is formed at a predetermined angle.

7, when the ice lever 50 rotates, it is transmitted to the planetary gear 252 through the planetary gear 252 and the planetary gear 252 transmits power to the internal gear 271). Thus, the preventive cover 270 is opened, and the ice is discharged from the ice-making container 30 by the ice-making lever 50.

On the other hand, when the idle lever 50 continues to rotate, the power transmission gear 251 is released from the planetary gear 252, and the spring S closes the protection cover 270.

Here, a decelerating device (not shown) may be installed on the second gear 171 and the planetary gear 252 to stop the rotation speed of the preventive covers 170 and 270 in order to prevent the preventive covers 170 and 270 from being abruptly closed .

While the present invention has been particularly shown and described with reference to exemplary embodiments thereof, it is to be understood that the invention is not limited to the disclosed exemplary embodiments. Shall not be construed as being understood. Therefore, those skilled in the art will appreciate that various modifications, additions and substitutions are possible, without departing from the scope and spirit of the invention as disclosed in the accompanying claims. The present invention is not limited thereto.

As described above in detail, according to the present invention, the following effects can be obtained.

There is an effect of preventing water from splashing or flowing down toward the front of the ice-making container when the door of the refrigerator is opened and closed in a state where the water supplied to the ice-making container is not frozen.

In addition, since water does not fall from the ice-making container, the ice stored in the ice-storing case is prevented from being entangled and frozen.

Claims (6)

An ice maker having an ice tray for storing water, ice-making means provided inside the ice-making container, water-supplying means provided on one of the ice-making containers, and a control box provided on the other side of the ice- , A rotating cam provided on one side of the ice-making means; And And a protection cover which prevents water from splashing toward the front of the ice maker and which is opened and closed only when the ice tray is rotated according to the rotation of the rotation cam, and which is in contact with the rotation cam. An ice maker having an ice tray for storing water, ice-making means provided inside the ice-making container, water-supplying means provided on one of the ice-making containers, and a control box provided on the other side of the ice- , A first gear provided at one side of the above-mentioned moving means and having predetermined gear teeth; And And a preventive cover which prevents water from splashing to the front of the ice maker and is opened and closed only when the ice tray is opened, and a second gear which rotates in engagement with the first gear. An ice maker having an ice tray for storing water, ice-making means provided inside the ice-making container, water-supplying means provided on one of the ice-making containers, and a control box provided on the other side of the ice- , A power transmission gear provided at one side of the idling means and having predetermined gear teeth; A planetary gear rotating in engagement with the power transmission gear; And And a preventive cover which prevents water from splashing to the front of the ice maker and which is opened and closed only when the ice cubes are released, and an internal gear which rotates in engagement with the planetary gear. 4. The method according to at least one of claims 1 to 3, Wherein at least one of the first gear, the power transmission gear, the planetary gear, and the rotation cam is installed on at least one of the one side of the control box and one side of the ice-making container. 4. The method according to at least one of claims 1 to 3, Further comprising a spring installed on one side of the preventive cover so that the preventive cover is automatically closed. The method according to at least one of claims 2 and 3, Further comprising a deceleration device that stops the rotation speed of the at least one of the second gear and the planetary gear when the prevention cover is closed.

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