KR100288260B1 - Device for preventing leakage of cold air refrigerator - Google Patents

Abstract

PURPOSE: A device for preventing leakage of cold air refrigerator is provided to prevent leakage of cold air in the refrigerator through a gap between a front surface of a partition, dividing a freezer compartment and a refrigerating compartment, and a gasket. CONSTITUTION: A device comprises a coupling groove(160); fixing devices; a cold air intercepting plate(100); and a magnetic body(136). The coupling groove has a bending part(162), bent downward and horizontally formed on an inlet side of an inner box(40), forming a lower surface of a freezer compartment(F), and is extended forward from the bending part to form a groove. The hexahedral fixing devices are inserted into both ends of the coupling groove and have fixing grooves cutting through the fixing devices from tops to centers and vertically penetrating the fixing devices. The cold air intercepting plate is protrusively formed on a lower edge of an inside of a freezer compartment door(10) and comprises a fixing part(110); a body(120); and a metal piece(135). The fixing part is formed on a lower end of the cold air intercepting plate and has rotary protrusions, rotatably inserted and fixed to the fixing grooves of the fixing device, on both ends thereof. The body is extended upward from the fixing part to back of the freezer compartment. The metal piece is longitudinally built in an end of the body. The magnetic body is longitudinally built in a lower surface of a horizontal bid(15) of the freezer compartment door so that a contacting part(130) with the metal piece built in is attached thereon by magnetism.

Description

Cold air leak prevention device of refrigerator

The present invention relates to a cold air leakage preventing device of the refrigerator, and more particularly, as the refrigerator ages, the sealing force of the gasket is weakened, thereby preventing the cool air in the refrigerator from leaking to the outside through a gap between the front part of the refrigerator and the gasket. The present invention relates to a cold air leakage preventing device for preventing cold air loss and preventing dew condensation occurring on the front of the trimming part due to leaked cold air.

Looking at the cold air circulation of a conventional conventional refrigerator as follows.

1 is a side cross-sectional view showing main parts of a freezer door and a refrigerating chamber door of a conventional refrigerator. In a typical refrigerator, cold air generated while refrigerant is circulated according to a freezing cycle is blown in a cooler chamber (not shown) behind a freezer compartment (F). The cold air return duct (not shown) formed inside the trimming section 30 after the cooling operation to cool the food stored in the refrigerator while circulating the inside of the cold air is supplied to the freezing chamber F by the fan (not shown). ), It forms a series of cold cycles that return to the cooler chamber.

On the other hand, the remaining cool air is moved to the refrigerating chamber (R) along the main duct (not shown) formed inside the heat insulating material in the rear of the cooler chamber, and the amount of cold air supplied to the inside of the refrigerator is controlled, and the cold air supplied into the inside of the refrigerator is After the food being stored is refrigerated, the cold air return duct formed in the trimming section 30 is returned to the cooler chamber and mixed with the cold air returned from the freezing chamber F to repeat the aforementioned cold air circulation cycle.

The cold air supplied to the freezer compartment F and the refrigerating compartment R as described above performs a refrigerating and freezing action by circulating inside the refrigerator and exchanging heat with the refrigeration and freezing objects, wherein the freezer compartment F and the refrigerating compartment R are As the gaskets 11 and 21 installed on the inner edges of the freezer door 10 and the refrigerating chamber door 20 are kept aging, the sealing force is weakened and the inside of the gaskets 11 and 21 is maintained. As the magnetic force of the magnets 12 and 22 installed in the chamber weakens, a gap is generated in the sealing surface between the gaskets 11 and 21 and the front of the trimming section 30. Leaked to the outside caused a problem that the cold air is lost.

In particular, very cold cold air inside the freezing compartment F leaks through a gap generated between the gasket 11 of the freezing chamber door 10 and the front of the trimming section 30, thereby causing dewiness on the front of the trimming section 30. This occurred.

In order to prevent such dew condensation on the front of the trimming section 30, the hot pipe 80 is installed to be interviewed along the inner surface of the trimming section 30, but the cold air leaking from the freezing chamber F is very low. The hot pipe 80 did not function properly because it is a state.

The present invention has been made to solve the above-mentioned problems of the prior art, by preventing the gasket from leaking to the outside through the gap between the front of the threaded portion of the refrigerator and the gasket by the sealing force of the gasket is weakened, loss of cold air It is an object of the present invention to provide a cold air leakage preventing device of the refrigerator to prevent the dew condensation phenomenon occurring on the front of the trimming part by the cold air leaked from the freezing chamber.

1 is a side cross-sectional view showing main parts of a freezer door and a refrigerating chamber door of a conventional refrigerator.

2 is a partially cutaway perspective view of the refrigerator showing a state in which a cold air leakage preventing device of the refrigerator according to the present invention is installed;

Figure 3 is an enlarged perspective view of the main portion showing the cold air blocking plate of the present invention,

Figure 4 is a side cross-sectional view and enlarged cross-sectional view of the refrigerator showing a cold air leakage preventing device of the refrigerator according to the present invention.

Explanation of symbols on the main parts of the drawings

10: freezer door, 14: horizontal bead,

20: refrigerating chamber door, 30: trimming section,

40: inner wound, 100: cold air blocking plate,

110: fixed part, 120: body part,

130: contact portion, 135: metal piece,

150: fixture, 154: locking piece,

160: installation groove.

According to the present invention, a freezer compartment and a refrigerating compartment are provided at upper and lower sides of the trimmer, and the refrigerator compartment door and the freezer compartment door are opened and closed in front of the freezer compartment and the refrigerating compartment, respectively. The bent portion bent downward in the lateral direction and the installation groove formed in the groove extending in parallel with the bent portion formed in the front and the fixing groove which is cut from the upper side to the center to penetrate the left and right, respectively at both ends of the installation groove The hexahedron-shaped fastener to be inserted and the rotating protrusion which is rotatably fitted into the fixing groove of the fastener are formed at the lower end of the fixing part are formed at the lower end, and the body is extended to be inclined upward from the fixing part to the rear side of the freezing chamber. In the end of the body portion a metal piece inside the longitudinal direction And a cold air blocking plate protruding from the lower edge of the inner surface of the freezer compartment door, and a magnetic body internally installed along the longitudinal direction of the bottom surface of the horizontal bead of the freezer compartment door so that the contact portion in which the metal piece is installed may be attached by magnetic force. It is characterized by.

Hereinafter, with reference to the accompanying drawings, the configuration and effect of the preferred embodiment of the present invention will be described in more detail.

Figure 2 is a partially cutaway perspective view of a refrigerator showing a state in which a cold air leakage preventing device of the refrigerator according to the present invention is installed, Figure 3 is an enlarged exploded perspective view showing the cold air blocking plate of the present invention, Figure 4 is a refrigerator according to the present invention Side cross-sectional view and enlarged cross-sectional view of the refrigerator showing a cold air leak prevention device of the refrigerator, as shown in the drawing, the freezer compartment (F) is provided on the upper part of the refrigerator, based on the trimming section 30, as in the general refrigerator. There is a refrigerating chamber (R) is provided in front of the freezer compartment door 10 and the refrigerating chamber door 20 is installed to open and close.

On the inner surface of the freezer door 10, a gasket 11 is attached to the edge portion thereof, and vertical beads 14 are protruded on both sides so that the door pocket can be installed inside the gasket 11, The horizontal bead 15 protrudes toward the rear of the freezing compartment F by a predetermined length.

The gasket 21 is installed on the inner surface of the refrigerating chamber door 20 similarly to the freezing chamber door 10, and the vertical beads 24 and the horizontal beads 25 are formed.

When the front entrance side of the inner inlet 40 constituting the lower surface of the freezing compartment F, that is, the freezing compartment door 10 is closed, directly below the distal end portion of the horizontal bead 15 protruding below the inner edge of the freezing compartment door 10. The bent portion 162 is bent downward in the transverse direction along the horizontal bead 15 in the inner wound 40 positioned in the installation groove 160 is formed by extending forward in parallel with the bent portion 162. do.

The bent portion 162 and the installation groove 160 is the cold air blocking plate (so that the contact portion 130, the body portion 120, and the fixing portion 110 of the cold air blocking plate 100 which will be described later, respectively) The groove is formed in a shape corresponding to the shape of 100).

Fixing member 150 is installed on both inner ends of the mounting groove 160. The fixing member 150 is cut from the upper side to the center portion so that the fixing groove 152 is transversely so as to penetrate the left and right sides of the fixing member 150. It is formed, the engaging piece 154 is formed to be inclined at an angle of about 60 degrees toward the rear side of the freezing compartment (F) on the opposite inner surface of the fixture 150.

The cold air blocking plate 100 is rotatably installed at a predetermined angle in the installation groove 160. The lower end of the cold air blocking plate 100 is rotatably fitted into the fixing groove 152 of the fixture 150. The rotating protrusion 115 is formed is a fixed portion 110 protruding at both ends.

And the body portion 120 is extended to be inclined upward from the fixing portion 110 to the rear side of the freezing chamber (F), the end of the body portion 120 is formed to protrude to the lower edge of the inner surface of the freezer compartment door (10) The contact portion 130, which is in contact with the bottom surface of the horizontal bead 15, is bent.

In addition, the inner side of the contact portion 130 is a metal piece 135 in the longitudinal direction.

On the other hand, the magnetic body 136 is also installed inside the bottom surface of the horizontal bead 15 along the longitudinal direction thereof to be in contact with the metal piece 135 by magnetic force, so as to the fixing part 110 of the cold air blocking plate 100. The cold air blocking plate 100 is rotated forward and upward with the pivoting protrusion 115 formed as an axis, and the contact portion 130 is interviewed on the bottom surface of the horizontal bead 15.

Although not shown in the drawing, the magnetic body 136 is formed of an electromagnet, and the magnetic body 136 and the door switch are electrically connected to each other by a signal of the door switch that detects the closing of the freezer door 10. A control unit (not shown) may rotate the cold air blocking plate 100 upward by applying power to the magnetic body 136 to generate magnetic force.

It will be described the operation and effect of the present invention made of this configuration.

When the open freezer door 10 is closed, the horizontal bead 15 of the freezer door 10 in which the magnetic body 136 is installed is positioned directly above the contact portion 130 of the cold air blocking plate 100, and at the same time, By the magnetic force of the magnetic body 136, the cold air blocking plate 100 is rotated to the upper side by using the rotation protrusion 115 as the rotation axis, the contact portion 130 of the cold air blocking plate 100 is the bottom surface of the horizontal bead 15 You are interviewed.

In this case, the front lower side of the freezing compartment F is blocked by the cold air blocking plate 100, thereby preventing cold air in the freezing compartment F from leaking to the lower side of the freezing compartment door 10.

When the freezing chamber door 10 is opened, the horizontal bead 15, which has been in surface contact with the contact part 130 of the cold air blocking plate 100, is spaced apart from the contact part 130, and is installed inside the bottom surface of the horizontal bead 15. As the magnetic force of the magnetic body 136 is released, the body block 120 and the contact portion 130 of the cold air blocking plate 100 are accommodated into the bent portion 162 while the cold air blocking plate 100 is rotated downward by its own weight. do.

As described above, by installing a cold air barrier plate, the sealing force of the gasket is weakened, thereby preventing the cool air from leaking to the outside through the gap between the front of the trimmer and the gasket of the refrigerator, thereby preventing the loss of cold air, thereby reducing power consumption. It is effective to prevent dew condensation occurring on the front of the trimming part by leaked cold air.

Claims (3)

The freezer compartment F and the refrigerating compartment R are provided at the upper and lower sides of the trimming section 30, and the refrigerating compartment door 10 and the freezer compartment door 20 are provided in front of the freezer compartment F and the refrigerating compartment R. In the refrigerator installed so as to open and close each, An installation groove having a bent portion 162 bent downward at the inlet side of the inner box 40 forming the lower surface of the freezing compartment F in the horizontal direction and extending forwardly in parallel with the bent portion 162 ( 160), Fixing grooves (150) having a hexahedron shape is inserted into both ends of the installation groove 160 is provided with a fixing groove 152 cut through the center from the upper side, and A fixing part 110 is formed at a lower end of the rotating protrusion 115 which is rotatably fitted into the fixing groove 152 of the fixing tool 150 at both ends thereof, and is formed from the fixing part 110 of the freezing chamber F. Body portion 120 is extended to be inclined upward to the rear side, and at the end of the body portion 120, a metal piece 135 is built in the inner side along the longitudinal direction, and protrudes at the lower edge of the inner surface of the freezing chamber door 10. The cold air blocking plate 100 formed, The metal piece 135 is composed of a magnetic body 136 internally installed along the longitudinal direction of the inner surface of the bottom surface of the horizontal bead 15 of the freezer compartment 10 so that the contact portion 130 in which the metal piece 135 is installed is attached by magnetic force. Cold air leak prevention device of the refrigerator. The cold air of the refrigerator according to claim 1, wherein a locking piece (154) restricting a rotation angle at which the cold air blocking plate (100) rotates forward and upward is protruded on an opposite inner surface of the fixture (150). Leak-proof device. The refrigerator of claim 1, wherein the magnetic material 136 in the horizontal bead 15 is an electromagnet that is electrically connected to a door switch and generates magnetic force only when the freezer door 10 is closed. Prevention device.