KR19990033030U - Refrigerator door gasket - Google Patents

Abstract

The present invention relates to a door gasket of a refrigerator. In the related art, due to frequent opening and closing of the freezer door and the weight of the door gasket, a part of the door gasket installed inside the door of the freezer door is directed to the main cabinet of the refrigerator. When the inside of the door and the gasket of the door gasket is lifted off, and the separation occurs, especially when the cold air leaks to the lower side of the freezer door due to the deformation of the end of the third chamber that the front and rear are interviewed on the inside of the body and the inside of the door, respectively. There was a problem in that dew formation occurred in the upper part of the trimming part.

The present invention forms an extended portion having a rounded width by a predetermined width at the side end of the third chamber, and a reinforcement portion having a relatively thicker thickness than the flesh thickness of the third chamber is formed on the side wall of the expanded portion, On one side, the fixed protrusion is formed at regular intervals along the longitudinal direction, and the inner surface of the door interviewed with the fixed protrusion forms a fixing groove to which the fixing protrusion is fitted to fix the door gasket, thereby improving the fixing and sealing force of the door gasket. It is designed to prevent loss and to prevent dew condensation on the front part of the trimmer.

Description

Refrigerator door gasket

The present invention relates to a door gasket of a refrigerator, and more particularly, to a door gasket of a refrigerator to improve the fixing and sealing force of the door gasket which is installed to maintain the airtightness of the main body of the refrigerator and the refrigerator door.

In general, a refrigerator is a direct-type refrigerator employing a roll bond type cooler and an indirect cooling type refrigerator in which cold air generated in the cooler is forcedly circulated into a freezer compartment and a refrigerating compartment by a forced circulation fan. It is rough.

Among these refrigerator types, the indirect cooling type of refrigerator configured to force cold air is more likely to cause leakage of air and inflow of external air than the direct cooling type of refrigerator, which is a type of cooling due to natural convection, because a pressure change occurs in the high temperature. high.

Therefore, various types of cold air sealing door gasket structures have been proposed and installed in the refrigerator door border.

FIG. 1 is a cross-sectional view of a refrigerator in a door closed state showing a state in which a conventional general door gasket is installed. As shown in FIG. 1, a freezer compartment F is formed on an upper part of a refrigerator 80. And a refrigerating chamber (R) is formed in the lower portion.

A freezing chamber door 20 and a refrigerating chamber door 70 are installed to be opened and closed at the front of the freezing chamber F and the refrigerating chamber R, respectively, and a door is formed at an inner edge of the freezing chamber door 20 and the refrigerating chamber door 70. The gaskets 30 are installed to maintain airtightness with the main body of the refrigerator.

The door gasket 30 includes a large magnetic body 60 and a magnetic body insertion groove 65, a first chamber 31, a second chamber 32, and a third chamber 33 which buffer a door when the door is closed. The door gasket 30 is composed of a hook portion 35 to secure the fitting to the inner door 22.

The hook portion 35 is fitted inward through the opening 26 of the hook fixing groove 25 formed in the door inner 22 and at the same time both sides of the hook portion 35 of the hook fixing groove 25 The inner side surfaces of the door gasket 30 are fixed to the inner surface of the freezing chamber door 20 without being separated.

When the freezer door 20 is opened and closed, a buffering action occurs by the first chamber 31, the second chamber 32, and the third chamber 33, and at the same time, the main body cabinet 10 by the magnetic force of the magnetic body 60. It is closely adhered to the front side of the cold air to control the entry.

In addition, wing portions 34 are formed on both sides of the hook portion 35 to further prevent cold air leakage in the refrigerator.

However, such a conventional door gasket 30 is a door gasket 30 fixed to a door inner gasket 22 of the freezer door 20 due to frequent opening and closing of the freezing chamber door 20 and the weight of the door gasket 30. When the second chamber 32 and the third chamber 33 are oriented toward the main cabinet 10 of the refrigerator, and the flow of the door gasket 30 continues, the door inner shell 22 and the door gasket 30 are lifted. Occasionally, the sealing force is lowered due to the deterioration of the sealing force.

In particular, since the end of the third chamber 33, the front and the rear of which are interviewed on the inside of the body and the inside of the door, is easily deformed, the cold air in the freezing chamber F leaks to the lower side of the freezing chamber door 20, and the trimming section 80 Dew condensation occurred in the upper front of the problem occurred.

The present invention has been devised to solve the above problems of the prior art, the expansion and reinforcement portion having a large round by a certain width at the side end of the third chamber, the front and rear are interviewed on the inside of the body and the inside of the door, respectively It is designed to provide the door gasket of the refrigerator to prevent the loss of cold air and to prevent dew condensation occurring on the upper part of the trimming part by improving the fixing and sealing force of the door gasket by forming a fixing protrusion on the rear side. There is a purpose.

1 is a cross-sectional view of a section of a refrigerator in a door closed state illustrating a state in which a conventional general door gasket is installed;

Figure 2 is a plan sectional view of the main cabinet and the refrigerator door showing a state in which the door gasket of the refrigerator according to the present invention is installed,

Figure 3 is a partially cutaway perspective view and enlarged perspective view of the door gasket of the present invention.

Explanation of symbols on the main parts of the drawings

10: main body cabinet, 13: bend,

22: door inner, 30: door gasket,

33: third chamber, 37: expansion portion,

38: reinforcement part, 39: fixed protrusion part.

The present invention provides a hook portion inserted into and fixed to the inside of a door of a freezer compartment door, a magnetic body installed to be held in close contact with the main body cabinet side, a third chamber having front and rear surfaces interviewed on the inside of the body and the inside of the door, and adjacent to the third chamber. A door gasket of a refrigerator having a first chamber and a second chamber formed at a side thereof to have a cushioning action and a sealing action, wherein the side end portion of the third chamber has an extended portion having a large rounded width by a predetermined width and The side wall is formed with a reinforcing part having a relatively thicker flesh thickness than the flesh thickness of the third chamber, and on one side of the rear side of the third chamber, a fixed protrusion protruding at a predetermined distance along its longitudinal direction is interviewed with the fixing protrusion. The inside of the door is characterized in that the fixing groove is formed to be fitted corresponding to the fixing projections.

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

2 is a cross-sectional plan view of a main cabinet and a refrigerator door showing a state in which a door gasket of a refrigerator according to the present invention is installed, and FIG. 3 is a partially cutaway perspective view and an enlarged perspective view of a main part of the door gasket of the present invention. As described above, the door gasket 30 of the refrigerator according to the present invention has a magnetic body insertion groove 65 through which the magnetic body 60 is inserted in the same manner as in the related art, and the main body cabinet 10 when the freezer door 20 is opened and closed. The first chamber 31, the second chamber 32, and the third chamber 33, which have a buffering function and a sealing function, are formed and the hook portion 35 of the door gasket 30 is formed on the inner door 22. Hook fixing groove 25 for fixing the is formed.

The door gasket 30 is installed on the inner edge of the freezer compartment door 20 by being fixed to the hook fixing groove 25 formed on the rear side of the hook gripping groove 25 formed on the inner door 22.

In addition, the magnetic body 60 inserted into the magnetic body insertion groove 65 formed at one front side of the door gasket 30 is supported in close contact with the main cabinet 10 of the refrigerator and at the same time of the magnetic body insertion groove 65. The front surface of the third chamber 33 formed on the adjacent side is interviewed with the front surface of the inner body 12 to maintain airtightness, and the second chamber 32 adjacent to the rear of the third chamber 33 is separated and partitioned. ) Is interviewed on one side of the inner door 22 to maintain the airtightness.

According to the present invention, the expansion part 37 is formed to be rounded by a predetermined width in the side end portion of the third chamber 33 among the components, and the reinforcement part 38 is formed behind the side wall of the expansion part 37. The reinforcement part 38 is formed to have a flesh thickness t2 that is relatively thicker than the flesh thickness t1 of the third chamber 33.

In addition, the rear side of the third chamber 33 which is in close contact with the door inner image 22 forms a fixed protrusion 39 protruding by a predetermined distance along the longitudinal direction and the door in contact with the fixed protrusion 39 The inner surface (22) is formed with a fixing groove 29 to which the fixing protrusion 39 is fitted to correspond.

The installation of the door gasket 30 according to the present invention first fixes the hook part 35 of the door gasket 30 to the hook fixing groove 25 of the inner door 22, and then the hook fixing groove 25 and the hook fixing groove 25. It is possible by fitting the fixing protrusions 39 formed on the rear surface of the third chamber 33 to the fixing grooves 29 formed with grooves at a predetermined interval.

Therefore, the door gasket 30 is first fixedly coupled to the door inner image 22 by the hook portion 35, and one side surface of the third chamber 33 is fixed to the door inner image by the fixing protrusion 39. It is fixed to the 22 again to prevent the lifting and flow of the third chamber 33, the freezing chamber door due to the frequent opening and closing of the freezer compartment 20 and the weight of the door gasket 30 as in the prior art The third chamber 33 portion of the door gasket 30 fixed to the inner door 22 of the 20 is prevented from being directed toward the main cabinet 10 side of the refrigerator.

In addition, the expansion part 37 is formed in a circular shape having a larger width than the third chamber 33 so that when the freezing chamber door 20 is closed, the front surface of the third chamber 33 is formed on the front surface of the inner body 12. Simultaneously with the interview, the front part of the expansion part 37 is pressed outward while being interviewed with the bent part 13 formed on the front surface of the inner body 12. Thus, the expanded part 37 is in close contact with the bent part 13. Is tightly supported so that the sealing force is improved.

Thus, it improves the fixing and sealing force of the door gasket to prevent the loss of cold air in the refrigerator and to prevent the dew condensation occurring on the front part of the trimmer.

On the other hand, the reinforcement part 38 having a flesh thickness t2 relatively thicker than the flesh thickness t1 of the third chamber 33 is formed at the rear side of the expansion part 37 so that the expansion part 37 Increase the elasticity and at the same time increase the strength of the expansion portion 37 to extend the life of the door gasket (30).

As described above, the front and rear sides of the third chamber in which the front side and the inner side of the third chamber are interviewed on the inner side of the third chamber are formed with an expansion part and a reinforcement part having a large round width, and the rear side has a fixing protrusion to form the door gasket. By improving the sealing force, it is possible to prevent the loss of cold air in the refrigerator and to prevent dew condensation occurring on the upper part of the trimmer.

Claims (1)

The hook portion 35 inserted into the door inner shell 22 of the freezing chamber door 20, the magnetic body 60 installed to be held in close contact with the main cabinet 10, the inner body 12, and the door inner shell 20. The first chamber 31 and the second chamber 32 formed in the adjacent side of the third chamber 33 and the third chamber 33, the front and rear surfaces are interviewed, respectively, the buffering and sealing action In the door gasket of the refrigerator, On the side end portion of the third chamber 33, an expansion portion 37 having a round width is formed by a predetermined width, and at the side wall of the expansion portion 37, the thickness of the third chamber 33 is smaller than the thickness t1 of the third chamber 33. A reinforcing part 38 having a relatively thick flesh thickness t2 is formed, and on one side of the rear surface of the third chamber 33, a fixing protrusion 39 protruding at a predetermined interval along its longitudinal direction is formed and the fixing protrusion is formed. The door gasket of the refrigerator, characterized in that the inner groove 22 to be interviewed with the (39) is formed with a fixing groove (29) to which the fixing protrusion (39) is fitted.