CN2185408Y

CN2185408Y - Easily changeable door seal for refrigerator and sealing device thereof

Info

Publication number: CN2185408Y
Application number: CN 93235610
Authority: CN
Inventors: 余江帆
Original assignee: Individual
Current assignee: Individual
Priority date: 1993-12-22
Filing date: 1993-12-22
Publication date: 1994-12-14
Anticipated expiration: 2003-12-22

Abstract

The utility model relates to an easily changeable door seal for a refrigerator and a sealing device thereof. The utility model provides the easily changeable door seal for the refrigerator and the sealing device thereof which enhance the sealing performance of the door seal of the refrigerator. The utility model is characterized in that the skirt door seal is composed of a rubber skirt sleeve, a skirt rim and a reinforcing stop. The outer periphery of the door frame of the refrigerator is provided with a ring groove, and a groove rim which is near to a door corner point is provided with a small gap; the skirt sleeve of the skirt door seal is arranged in the groove, and the skirt rim is outward. When the door is opened and closed, the skirt rim and the inner bag wall of the refrigerator are tightly stuck together so as to play sealing action by elastic micro deformation of the skirt rim. The door of the refrigerator is easily opened and closed, and the skirt door seal is easily replaced.

Description

Easily changeable door seal for refrigerator and sealing device thereof

The utility model is about easily changeable refrigerator skirt door seal and sealing device thereof.

At present, the door envelope of domestic refrigerator all is to adopt the magnetic gate envelope separately, though, its Convenient switch refrigerator doors, but for whole refrigerator, the magnetic gate envelope but is still the easiest leakage cold air part, in addition, energy supply present and China in the future all is very severe, and power failure causes the food spoilage in the refrigerator easily for a long time, and the sealing property that continues raising refrigerator doors envelope is very necessary.

As everyone knows, the temperature of the refrigerating chamber of two-door refrigerator is higher than zero degrees celsius, and around the refrigerator doorframe dew eliminating tube is arranged again, and this is just for realizing that the utility model provides possibility.

The refrigerating chamber of refrigerator is low temperature environment after all, and materials such as the juice of the food of storage and grease also may stain the door envelope of rubber in it, makes it be easy to generate permanent deformation and aging.

The purpose of this utility model provides easily changeable refrigerator skirt door seal and sealing device (hereinafter to be referred as refrigerator skirt door seal and device thereof) thereof, it not only can improve the sealing property of refrigerator doors envelope effectively, and switch refrigerator doors easily, and change the refrigerator skirt door seal easily.

The utility model is achieved in that the refrigerator skirt door seal is by skirt cover, the shirt rim of rubber and add the prime time and constitute.The skirt cover is the sheet rubber band, and this sheet band can be strip or annular or shaped as frame; Have vertical shirt rim of a projection on the one side of this sheet band at least, the cross section of this shirt rim is preferably ∧ shape; For preventing that the shirt rim from caving in because of long-term the use, the shirt rim vertically on place separated by a distance be provided with and laterally add the prime time, this adds the prime time preferably just as the shirt rim, but is not higher than the shirt rim.

Refrigerator skirt door seal device is: be marked with all grooves of ring on refrigerator doors frame-saw periphery, this groove can be all dovetail grooves of ring, change the refrigerator skirt door seal for convenience in the future, on trough rim, be marked with a small gap near place, door angle, the skirt cover of refrigerator skirt door seal is placed in the groove, the shirt rim is outside, and its concrete structure is as follows:

(first). the skirt cover of the refrigerator skirt door seal of strip is bonded in all grooves of ring, and the shirt rim is outside; Or

(second). interior girth is enclosed in less than the skirt cover of the annular of girth or shaped as frame refrigerator skirt door seal in all grooves of ring or quilt cover is bonded in all grooves of ring, and the shirt rim is outside; Or

(the third). the cross section of the skirt cover of the refrigerator skirt door seal of strip is for closely trapezoidal, and this skirt cover is bonded in all dovetail grooves of ring by embedding, and the shirt rim is outside; Or

(fourth). the cross section of the skirt cover of the refrigerator skirt door seal described in the second is for closely trapezoidal, and this skirt cover is embedded in or is nested and is bonded in all dovetail grooves of ring, and the shirt rim is outside.

At closing time, the shirt rim contacts with the inner container of icebox wall, produces the little distortion of elasticity, makes that shirt rim and inner container of icebox wall are together closely connected, and plays sealing function.Because the temperature of cold compartment of refrigerator is higher than zero degrees celsius, and has dew eliminating tube again around the refrigerator doorframe, make to be unlikely to shirt rim and inner container of icebox wall are freezed together.When opening the door, produce the little distortion of reverse elasticity, make and to open refrigerator doors easily, when needs are changed the refrigerator skirt door seal, provoke the skirt cover from the small gap on the trough rim, put on a little cloth, then, pull at little cloth and get final product with screwdriver by the shirt rim.

The utility model and refrigerator magnetic gate sealed knot lump together use, than using the magnetic gate envelope separately, can improve the sealing property of refrigerator doors envelope widely, thereby can reduce the possibility that causes the food spoilage in the refrigerator because of power failure, and can reduce the number of starts of freezer compressor, and the life-span of prolongation compressor, and easy switch refrigerator doors, change the refrigerator skirt door seal easily.

Fig. 1 is the structure chart of refrigerator skirt door seal, all dovetail grooves of ring and trough rim small gap, also is installation diagram of the present utility model.

1-refrigerator skirt door seal; 2-skirt cover; The 3-shirt rim; 4-adds the prime time; 5-refrigerator doors frame-saw; 6-encircles all dovetail grooves; The 7-small gap; 8-refrigerator magnetic gate envelope.

Describe optimum structure of the present utility model and optimum device in detail below in conjunction with Fig. 1.

Refrigerator skirt door seal (1) is by skirt cover (2), shirt rim (3) of rubber and add the prime time (4) and constitute.The sheet rubber band cover that this skirt cover (2) is a shaped as frame, its cross section are the closely trapezoidal of inner wide and outer narrow; Periphery at skirt cover (2) has vertical shirt rims of some weeks (3), and its cross section is ∧ shape (seeing the B-B profile), makes this shirt rim (3) be easy to generate the little distortion of elasticity; For preventing that shirt rim (3) from caving in because of long-term the use, (3) are vertically gone up place separated by a distance and are provided with and laterally add the prime time (4) in the shirt rim, and it is just as shirt rim (3), but are not higher than shirt rim (3), see the C-C profile.

Refrigerator skirt door seal device is: periderm is marked with ring all dovetail grooves (6) outside refrigerator doors frame-saw (5), and itself and skirt cover (2) coincide, and see A-A section and B-B profile, and its interior girth is greater than the interior girth of refrigerator skirt door seal (1).In order to be convenient for changing refrigerator skirt door seal (1) in the future, on trough rim, be marked with a small gap (7) near place, door angle.The skirt cover (2) of refrigerator skirt door seal (1) is embedded in ring all dovetail grooves (6) lining, and shirt rim (3) are outside.

D-D profile among Fig. 2 is the structure chart after the utility model assembling, also is refrigerator sealing schematic diagram at closing time.

9-inner container of icebox wall; The 10-dew eliminating tube; The temperature of T＞0 ℃ expression cold compartment of refrigerator is higher than zero degrees celsius.

The performance of this device is described below in conjunction with the D-D profile.

At closing time, shirt rim (3) contact with inner container of icebox wall (9), produce the little distortion of elasticity, make that shirt rim (3) and inner container of icebox wall (9) are together closely connected, and play sealing function.Because the temperature of cold compartment of refrigerator is higher than zero degrees celsius (T＞0 ℃), and dew eliminating tube (10) is arranged again around the refrigerator doorframe, makes to be unlikely to shirt rim (3) and inner container of icebox wall (9) are freezed together.When opening the door, produce the little distortion of reverse elasticity, make and to open refrigerator doors easily by shirt rim (3).This device and refrigerator magnetic gate envelope (8) uses that combine can improve the sealing property that refrigerator doors is sealed widely.When needs are changed the refrigerator skirt door seal, provoke skirt cover (2) with screwdriver from the small gap (7) on the trough rim of door angle, put on a little cloth, then, pull at little cloth and get final product.

Claims

1, easily changeable refrigerator skirt door seal, it is the door envelope with shirt rim, it is characterized in that: this skirt door seal is by skirt cover, the shirt rim of rubber and add the prime time and constitute; Skirt cover is the sheet rubber band, has vertical shirt rim of a projection at least in the one side of sheet band, the shirt rim vertically on place separated by a distance have and laterally add the prime time.

2, skirt door seal according to claim 1 is characterized in that: it adds the prime time is the shirt rim of ∧ shape just as cross section, but is not higher than the shirt rim.

3, skirt door seal according to claim 1 is characterized in that: this skirt door seal is a strip.

4, skirt door seal according to claim 1 is characterized in that: this skirt door seal is annular or shaped as frame.

5, skirt door seal according to claim 1 is characterized in that: the cross section of its skirt cover is for closely trapezoidal.

6, easily changeable refrigerator skirt door seal sealing device is characterized in that: in refrigerator doors frame-saw periphery all grooves of ring are arranged, the trough rim of locating by the door angle has a small gap, and the skirt of skirt door seal is enclosed within all grooves of ring, and the shirt rim is outside.

7, device according to claim 6 is characterized in that: encircle all grooves and be all dovetail grooves of ring.

8, according to claim 6 or 7 described devices, it is characterized in that: between the skirt cover bottom surface of skirt door seal or interior week and the bottom land layer of adhesive is arranged.