KR20000002105U - Negative pressure relief structure of refrigerator - Google Patents

Abstract

The present invention discloses a negative pressure release structure of the refrigerator.

The present invention, the cabinet is partitioned into a freezer compartment and a refrigerating compartment through the middle partition, and hinged on the cabinet to selectively open and close the freezer compartment and the refrigerating compartment of the cabinet, the inner side is fixed upper and lower gaskets are installed gasket In a refrigerator including a door, a guider having an insertion groove is formed on the inner side of the door cap of the door, and a support piece having one end inserted into the insertion groove of the guider between the door and the cabinet, and a predetermined angle from the support piece. The elastic piece of the lever presses the magnet inwardly to generate a gap for inflow of outside air between the door and the cabinet when the door is closed by interposing a lever made of an elastic piece positioned between the magnet of the gasket and the cabinet. It is characterized in that the gasket and the caviar are rotated by the lever when the door is repeatedly closed. A gap is generated between the outside air is introduced thereby it is possible to relieve the air pressure within the car, between the outside of the cabinet.

Therefore, the opening operation of the door can be easily performed, thereby further improving the reliability of the refrigerator employing the same.

Description

Negative pressure relief structure of refrigerator

The present invention relates to a refrigerator, and more particularly to a negative pressure relief structure for solving the pressure difference between the outside and the interior of the cabinet.

In general, a refrigerator includes a cabinet 10 having a rectangular box shape as shown in FIG. 1, and the cabinet 10 includes a freezer compartment 20 and a refrigerating compartment through an intermediate partition 11 installed at an intermediate portion. It is divided into 30. In addition, each of the freezer compartment 20 and the refrigerating compartment 30 are selectively opened through upper and lower doors 40 and 50 hinged to the front of the freezing compartment 20 and the refrigerating compartment. An inner surface of the cabinet 10 is provided with an evaporator 60 for generating cold air and introducing it into the freezing chamber 20 and the refrigerating chamber 11 and a blowing fan 70 for forced circulation.

On the other hand, in the lower part of the rear of the cabinet 10, a machine room in which a compressor, a coil condensor, and a cooling fan located inside the coil condenser, which form a cooling cycle, are located. 80) is provided.

In addition, the machine room 80 is installed along the inner surface of the cabinet 10, the lower end of the discharge hose (1) is installed adjacent to the evaporator 60 is located to defrost water introduced from the evaporator 60, etc. The defrost water receiver 90 to be stored is provided.

At this time, although not shown on the defrosting water receiver 90, a heater for heating and removing the defrost water introduced into the interior is provided.

The refrigerator having such a configuration freezes and refrigerates foodstuffs by forcibly introducing the cold air generated through the evaporator 60, the compressor, and the condenser forming the cooling cycle into the freezer compartment 20 and the refrigerating compartment 30 through a blower fan. To keep.

However, in such a conventional refrigerator, when the upper and lower doors 40 and 50 are opened and closed, that is, when the doors 40 and 50 are opened and then closed again to open foods, the cabinet is opened again. The inside of the (10) is rapidly cooled and accordingly a severe air pressure difference between the inside and the outside occurs, that is, the negative pressure is generated, causing a problem that cannot be easily opened.

This is because there is no means for maintaining a pressure difference between the inside and the outside of the cabinet 10 in the state in which the doors 40 and 50 are closed. That is, because only the end of the discharge hose (1) communicating with the outside is sealed by the cap (2).

This problem will be more serious in recent years, according to the trend of larger refrigerators.

The present invention is devised to solve such a conventional problem, the door is very easy to open by being able to quickly solve the pressure difference between the inside and the outside of the cabinet in a sealed state inside the cabinet through the door. The purpose is to provide a negative pressure relief structure of the refrigerator that can give a confidence to.

In order to achieve the above object, the negative pressure relief structure of the refrigerator according to the present invention includes a cabinet partitioned into a freezer compartment and a refrigerator compartment through an intermediate partition, and a hinge coupled to the cabinet to selectively open and close the freezer compartment and the refrigerator compartment of the cabinet, In a refrigerator including upper and lower doors in which gaskets with magnets are installed on an inner side thereof, a guider having an insertion groove is formed on an inner side of a door cap of the door, and one end of the guide and the cabinet Via a lever made of a support piece inserted into the insertion groove and an elastic piece bent at a predetermined angle from the support piece and positioned between the magnet of the gasket and the cabinet, the elastic piece of the lever opens the magnet inside when the door is closed. Pressurizing the air pressure to generate a clearance for inflow of outside air between the door and the cabinet. And a gong.

1 is a side cross-sectional view of a typical refrigerator.

Figure 2 is a sectional view excerpts showing the negative pressure relief structure of the refrigerator according to the present invention.

Figure 3 is a perspective view of the main portion of the negative pressure relief structure of the refrigerator according to the present invention.

Explanation of symbols on the main parts of the drawings

10: cabinet 20: freezer

30: refrigerating chamber 40,50: upper and lower doors

51: door cap 100: guider

110: insertion groove 200: lever

210: insertion piece 220: elastic piece

300: Gasket M: Magnet

Hereinafter, a preferred embodiment of the negative pressure releasing structure of the refrigerator according to the present invention will be described in detail with reference to the accompanying drawings.

Figure 2 is an enlarged cross-sectional view of the excerpts showing the negative pressure relief structure of the refrigerator according to the present invention, Figure 3 is a perspective view of the excerpts. Hereinafter, a description will be given with reference to FIG. 1.

First, referring to FIG. 1, a cabinet (cabinet) 10 having a rectangular box shape is provided, and the cabinet 10 is connected to the freezing chamber 20 and the refrigerating chamber 30 through an intermediate partition 11 installed at an intermediate portion. Compartments are formed. In addition, each of the freezer compartment 20 and the refrigerating compartment 30 are selectively opened through upper and lower doors 40 and 50 hinged to the front of the freezing compartment 20 and the refrigerating compartment. An inner surface of the cabinet 10 is provided with an evaporator 60 for generating cold air and introducing it into the freezing chamber 20 and the refrigerating chamber 11 and a blowing fan 70 for forced circulation.

On the other hand, in the lower part of the rear of the cabinet 10, a machine room in which a compressor, a coil condensor, and a cooling fan located inside the coil condenser, which form a cooling cycle, are located. 80) is provided.

In addition, the machine room 80 is installed along the inner surface of the cabinet 10, the lower end of the discharge hose (1) is installed adjacent to the evaporator 60 is located to defrost water introduced from the evaporator 60, etc. The defrost water receiver 90 to be stored is provided.

On the other hand, in repeatedly opening and closing the upper and lower doors 40 and 50, particularly the lower door 50 of the refrigerator configured as described above, a pressure difference is generated between the inside and the outside of the cabinet 10, that is, the refrigerating chamber 30 The air pressure of the lower than the outside of the cabinet 10, that is, to maintain a low air pressure compared to the atmospheric pressure, thereby causing a problem that the opening operation of the lower door 50 is not performed smoothly, in order to prevent the lower door On (50), a negative pressure relief structure is provided according to the features of the present invention.

As shown in FIG. 2 and FIG. 3, a guider 100 extends from the inner end of the door cap 51 of the lower door 50, and the guider 100 extends from the inner end of the lower door 50. The inner surface of the (100) is formed with the insertion groove 110 of a predetermined depth.

In addition, a lever 200 is interposed between the lower door 50 and the outer surface of the cabinet 10. In view of the structure of the lever 200, the lever 200 is inserted into the insertion groove 110 of the guider 100. The support piece 210 is provided, which is bent at a predetermined angle from the support piece 210 to insert the magnet M portion of the gasket 300 attached to the inside of the lower door 50 and the cabinet 10. An elastic piece 220 interposed between the outer surfaces is formed to extend.

Looking at the negative pressure relief process of the present invention having such a configuration as follows.

First, when the lower door 50 is opened to seal the lower door 50 on the cabinet 10 in the state where the food is taken out, the lever 200 coupled on the guider 100 is together with the cabinet 10. It is in close contact with the outer surface of the.

At this time, by the lever 200 is in close contact with the outer surface of the cabinet 10, the bent portion extending from the insertion piece 210 is to be flattened, whereby the end of the elastic piece 220 is the gasket 300 The magnet (M) of the insertion portion is pressed outward, that is, toward the lower door 50.

In this case, a predetermined gap is generated between the cabinet 10 and the gasket 300, and the outside air flows into the gap, thereby eliminating the pressure difference between the inside and the outside of the cabinet 10, so that the lower door can be smoothly operated even with a small force. The opening operation of 50 is to be made.

On the other hand, the above-described embodiment is merely to describe one preferred embodiment of the present invention, the scope of application of the present invention is not limited to such, and can be changed appropriately within the scope of the same idea. For example, the shape and structure of each component shown in the embodiment of the present invention can be modified.

As described above, according to the negative pressure relief structure of the refrigerator according to the present invention, when the door is repeatedly closed, a gap is generated between the gasket and the cabinet due to the rotation of the lever. It can be eliminated.

Therefore, the opening operation of the door can be easily performed, thereby further improving the reliability of the refrigerator employing the same.

Claims (1)

A cabinet partitioned into a freezer compartment and a refrigerating compartment through an intermediate partition, hinged on the cabinet to selectively open and close the freezer compartment and the refrigerating compartment of the cabinet, and an inner side includes upper and lower doors on which gaskets with magnets are fixed. In the refrigerator, Extends a guider having an insertion groove on an inner surface of the door cap of the door, Between the door and the cabinet is interposed between a support piece inserted into the insertion groove of the guider and a lever made of an elastic piece that is bent at a predetermined angle from the support piece and positioned between the magnet of the gasket and the cabinet. When the door is closed, the elastic piece of the lever presses the magnet to the inside, thereby generating a clearance for inflow of outside air between the door and the cabinet.