JP2702756B2 - Door devices such as refrigerators - Google Patents

Description

Description: BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a door device for a refrigerator or the like having an opening and closing of an insulated box by a double-ended door and a gasket for sealing on the back of the door. is there.

2. Description of the Related Art Conventionally, a door apparatus of this type has a configuration as shown in FIGS. 8 to 10 as shown in, for example, Japanese Patent Publication No. 63-10457.

FIG. 8 is a perspective view of a conventional refrigerator, FIG. 9 is a front view of a heat insulating box, and FIG. 10 is a sectional view taken along the line AA in FIG.

In the figure, 1 is a refrigerator main body, 2 is an outer box made of iron plate,
3 is an inner box formed of synthetic resin, 4 is an outer box 2 and an inner box 3
Foam insulation material filled in between, 5 is an insulation box body opened forward, 5A is an opening of the insulation box body 5, 6A and 6B are upper and lower hinges 7A provided above and below the left and right edges of the insulation box body 5. Two double doors which are rotatably supported by 7B, 8 are a plurality of net shelf rails integrally formed in both side walls of the inner box 3 and extend front and rear at substantially the same horizontal position, and 9 is a door 6A. , 6B are first guide portions which are formed so as to protrude from the upper and lower edges of the opening 5A of the heat insulating box 5 at portions located on the respective non-pivot sides. The first guide portion 9 has a flat front surface and is substantially flush with the opening 5A. 9A is a semicircular curved surface, 10 is a step recessed in the direction of the foam insulating material 4 around the first guide 9 on the upper and lower walls of the inner box 3, and 11 is a corner of the step 10 which is a door from the first guide 9 A substantially triangular second guide portion, which is formed on the 6A side so as to be spaced apart from the first guide portion 9 so as to be vertically opposed to each other, 11A is a guide surface facing the curved surface 9A of the first guide portion 9. , 12 is a gasket as a sealing member in which a magnet is inserted in the peripheral edge of the back surface of the doors 6A and 6B, 13 is a refrigerator, and 14 is a portion located inside the gasket 12 located on the non-pivot side of the back surface of the door 6A. Inside the upper and lower warehouse
A support arm 15 protruding in the 13 direction is a partition.

The operation of the refrigerator configured as described above will be described below.

When closing the two double doors 6A and 6B, the partition body 15 extends in the rotation axis direction of the door so as to extend over the opening edge on the back surface of the first door 6A on the non-pivot side. When the first door 6A is closed, it is movably supported, enters the inside of the compartment 13 and abuts against the guide surface 11A of the second guide portion 11 to rotate and conform to the curved surface 9A of the first guide portion 9 in a slidable manner. When the partition 15 is aligned with the first guide portion 9, the front of the partition 15 is substantially flush with the opening 5A of the heat-insulating box 5, and the gaskets 12 on the non-pivot side of both doors are in contact with the front of the partition 15. The airtightness of the compartment 13 can be maintained.

However, in the above-described conventional configuration, the gasket does not adhere to the second guide portion because the second guide portion is made of plastic, and the partition member and the second
Since the guide portion is rotated, the guide portion formed above and below the partition body and the opening of the heat insulating box cannot be closed.

An object of the present invention is to solve the above-mentioned conventional problems and to provide a door device such as a refrigerator with improved airtightness in a refrigerator.

Means for Solving the Problems In order to achieve this object, a door device for a refrigerator or the like according to the present invention is rotatably supported on both sides of the opening so as to close the opening of the heat insulating box having the opening. First and second doors that are open-closed, gaskets respectively provided on the rear edges of the two doors and in contact with the opening edges, and the opening edges formed on the non-pivot side of the two doors. A pair of guide portions each having a semicircular inclined groove and a length extending in the rotation axis direction of the door by a length extending over the opening edge on the back surface of the non-pivot side portion of the first door. A partition member that is movably supported and enters the interior of the compartment when the first door is closed, and protrudes as a column that is attached to the upper and lower ends of the partition member and abuts against the groove of the guide portion and slides in the center direction. The upper and lower caps are inserted with the guide projections formed and urged in the projecting direction. A sealing material that abuts the opening central portion at the front of the opening portion,
A seal member moving means having one end connected to the guide portion and the other end connected to the seal material, and the partition member is located in a state in which the cylinder of the partition member is located at the end of the semicircular groove of the guide portion. The front surface is substantially flush with the opening, the gasket on the non-pivot side of the doors abuts on the front surface of the partition, and the seal is moved in conjunction with the downward movement of the guide projection via the seal material moving means. The material is brought into close contact with the upper and lower surfaces of the opening.

According to the present invention, the guide projection provided on the partitioning body abuts on the guide guide surface along with the closing operation of the two doors and slides in conjunction with the seal member to abut on the central portion of the opening. , To improve the airtightness in the refrigerator.

Embodiment An embodiment of the present invention will be described below with reference to the drawings. The same parts as those in the related art are denoted by the same reference numerals, and description thereof will be omitted.

FIG. 1 is a sectional view showing a closed state of a door device of a refrigerator or the like showing an embodiment of the present invention, FIG. 2 is a sectional view showing a door opened state equivalent to FIG. 1, and FIG. FIG. 4 is a perspective view of a partition body in one embodiment, FIG. 4 is a cross-sectional view taken along the line BB in FIG. 3, FIG. 5 is a perspective view of a refrigerator in the present embodiment,
FIG. 6 is a front view of the heat insulation box, and FIG.
It is a cross-sectional view from the direction.

In the drawing, 16 is a cap portion provided opposite to the upper and lower partition members, 17 is a cylindrical guide protrusion sliding in the guide portion groove, 18 is a seal material interlocking with the guide protrusion 17, and 19 is inclined Semicircular groove, 20 is the end of semicircular groove 19, 21
Has a semicircular inclined groove 19 formed as a column opposite to and above and below the edge of the opening 5A of the heat-insulating box 5 in the portion located on the non-pivot side of each of the doors 7A and 7B. The guide portion 21 has a flat front surface and is substantially flush with the opening 5A. In FIG. 4, reference numeral 22 denotes a spring for extending and retracting the guide projection 17, and reference numeral 23 denotes a central axis for supporting the guide projection 17.

The operation of the refrigerator configured as described above will be described below.

When the door 6A is closed, the partition body 15 enters the interior 13 of the compartment, and the guide projection 17 contacts the semicircular groove 19 of the guide portion 21,
Further, the guide projections 17 extend along the inclined semicircular grooves 19.
Abuts against the elastic force of the spring 22, the sealing material
When the door 18A is lifted counterclockwise and the door 6A is closed, the gasket 12 on the non-pivot side of the doors 6A and 6B adheres to the front of the partition 15 Further, the sealing material 18 is in close contact with the upper and lower surfaces of the central portion of the opening 5A to hermetically seal the inside 13 of the compartment.

Here, the partition body 15 may be made of a synthetic resin or the like, but if only the front surface is made of a magnetic material, the gasket 12 on the non-pivot side is used.
Is further improved. The width of the partition 15 is set in advance so as to be sufficiently larger than the interval between the gaskets 12 on the non-pivot side.

Next, when opening the door 6A, by pulling the door 6A toward the front, the guide projection 17 activates the guide portion 21 having the inclined semicircular groove 19, and the sealing material 18 is not associated with it.
The partition member 15 is rotated clockwise by the elastic force of the spring 22, whereby the gasket 12 is separated from the front surface of the partition member 15, and thereafter the door 6A is easily rotated and opened.

As described above, according to the present embodiment, since the sealing material is also attached to the upper and lower ends of the partition body, conventionally, airtightness could not be maintained only by the gaskets on the non-pivot side of both doors. It is possible to maintain the airtightness of the inside of the refrigerator even more.

Effect of the Invention As described above, the present invention provides a cap portion having a guide projection at the upper and lower ends of the partition body, and a seal material that operates in conjunction with the guide projection at the front of the upper and lower cap portions, thereby opening the seal material. It is possible to realize an excellent refrigerator that can be in close contact with the upper and lower central portions to improve the airtightness in the refrigerator and prevent inconveniences such as poor heat insulation.

[Brief description of the drawings]

FIG. 1 is a sectional view of a door device such as a refrigerator in a closed state according to an embodiment of the present invention, FIG. 2 is a sectional view of the door apparatus of FIG. 1 in an open state, and FIG. 3 is an embodiment of the present invention. , FIG. 4 is a cross-sectional view taken along the line BB in FIG. 3, FIG. 5 is a perspective view of the refrigerator in this embodiment, FIG. 6 is a front view of the heat insulating box, 7 is a cross-sectional view taken along the line CC of FIG. 5, FIG. 8 is a perspective view of a conventional refrigerator, FIG. 9 is a front view of a heat insulating box, and FIG. 10 is A of FIG. It is sectional drawing from the -A direction. 5 ... heat-insulating box, 6A, 6B ... double door, 12 ... gasket, 15 ... partition, 16 ... cap, 17 ... guide protrusion, 18 ... sealing material, 19 ... inclined Semi-circular grooves with grooves, 20 ... end parts, 21 ... guide parts.

Claims (1)

(57) [Claims] 1. An insulated first and second doors rotatably supported on both sides of an opening of an insulated box body having an opening so as to close the opening. A pair of guide portions each having a gasket that is provided and abuts on the peripheral edge of the opening, a semicircular groove formed on the opening edge located on the non-pivot side of the doors, It extends in the direction of the pivot axis of the door and is rotatably supported by the length extending across the opening edge on the back surface of the non-pivot side portion of the door, and penetrates into the refrigerator with the closing operation of the first door. A partition part, a cap part attached to the upper and lower ends of the partition body, formed as a column abutting against the groove of the guide part and sliding in the center direction, and a guide part inserted with a guide projection urged in the protruding direction, A sealing material that abuts the center of the opening at the front of the cap, A seal member moving means connected to the guide portion and the other end connected to the seal material, and the front surface of the partition member is in a state where the cylinder of the partition member is located up to the end of the semicircular groove of the guide portion. The gasket on the non-pivot side of the two doors and the front surface of the partition body abut on the same plane as the opening,
And a door device for a refrigerator or the like for bringing the sealing material into close contact with the upper and lower surfaces of the opening in conjunction with the downward movement of the guide projection via the sealing material moving means.