JPH0641830B2 - Refrigerator door - Google Patents

Description

The present invention relates to a door body of a refrigerator, and more particularly to a door body having a door cap formed of resin or the like attached to a side wall of a door outer plate.

(B) Conventional technology The door of a conventional refrigerator of this type is, for example, Jikkou Sho 59-3398.
Right and left side walls are formed on the outer panel of the door, and door caps (decorative covers) are attached to the upper and lower ends as in JP-A-0. I had to do it. Therefore, recently, as shown in Japanese Utility Model Publication No. 60-21745, side walls are formed on the left and right and upper and lower sides of the door outer plate, and the door cap is attached to the upper and lower side walls to improve the strength.

By the way, in this type of door body, for example, as disclosed in Japanese Utility Model Publication No. 58-25258, an inner peripheral edge gasket is attached. Therefore, a door frame (connection frame) for attaching this gasket is attached to the side wall end portion of the door outer plate. Further, a handle for opening and closing the door body is, for example, in Japanese Utility Model Publication No. 61-3 for the purpose of reducing the installation space of the refrigerator.
As disclosed in Japanese Patent No. 6143, it is configured to have a recessed side surface.

(C) Problems to be Solved by the Invention When the above-mentioned recessed handle is formed with the structure as disclosed in Japanese Utility Model Publication No. 60-21745, the recessed portion for the handle is formed in the door cap. , For that, the side wall of the door skin must be partially cut away. Therefore, since the door outer plate and the door frame in that portion are not coupled, there is a problem that the strength is reduced and the foamed heat insulating material leaks.

The present invention aims to solve such problems.

(D) Means for Solving the Problems The present invention is a door body of a refrigerator including a door outer plate having side walls formed on the left and right sides and upper and lower sides, and upper and lower door caps attached to upper and lower side walls of the door outer plate. In, a door frame having an engaging groove to be fitted to each side wall end portion of the door outer plate, a handle portion formed by being recessed in at least one of the upper and lower door caps, and a handle portion corresponding to the handle portion A notch formed on the side wall, a rib formed on the outer surface of the handle portion and fitted in the engaging groove of the door frame, and a foamed heat insulating material filled in the door outer plate.

(E) Action According to the present invention, the strength of the door is improved and the space for installing the refrigerator is reduced. In addition, the grip portion is in close contact with the foamed heat insulating material, and the protruding rib supports the door frame at the cutout portion,
Insulation is sealed.

(F) Example Next, an example will be described with reference to the drawings. FIG. 1 is a front view of a refrigerator (1) to which the present invention is applied, FIG. 2 is a perspective view of a door body (2), and FIGS. 3 and 4 are sectional views taken along the line AA of FIG. FIG. 5 is a sectional view taken along line BB, and FIG. 5 is an exploded perspective view of the door body (2). The inside of the refrigerator (1) is divided into upper and lower four chambers, and the front opening of each compartment is opened from the top to the door (3),
It is closed at (2), (4) and (5). Doors (2), (3) and
(4) is rotatably pivoted to one side of the refrigerator (1) opening edge, and
The door body (5) can be pulled out from the refrigerator (1), and the lower end of the door body (3), the upper and lower ends of the door body (2), the door body (4) and
At the top of (5) are the door caps (6), (7), (8), (7) and
(9) is attached, and the handle portions (10), (11), (1) are attached to the non-pivotal side of the door caps (6), (7) and (8) and the door cap (9), respectively.
2) and (13) are formed.

The door body (2) is made of a thin-walled steel plate outer plate (14), hard resin door caps (7) and (8), the same door frame (15), the same door inner plate (16) and these. It is composed of a heat insulating material (17) such as polyurethane that is foam-filled in the space. Side walls (18), (19), (20) and (2) extending rearward by bending at the lower end and left and right ends of the door outer plate (14).
1) is formed, which improves the strength in the direction in which the upper and lower ends or the left and right ends are bent inward. Side wall (18),
(19), (20), and (21) at the rear end, a stepped portion that has fallen inward
(22) are respectively formed, and a plurality of fitting holes (23) and (24) are further formed in the upper and lower side walls (18) and (19).
Further, the upper and lower side walls (18) and (19) of the door body (2) on the non-pivotal side are notched in a predetermined range to form notches (25) and (26).

The door caps (7), (8) have flanges (28), (2
9), and the back side of the side wall (18) of the door skin (14),
A plurality of fitting protrusions (30), (31) having a substantially front cross-shaped configuration are formed at positions corresponding to the fitting holes (23), (24) of (19). The grips (11), (12) are formed by recessing the non-pivotal support of the door caps (7), (8) to the back side in an arcuate cross section. This handle
(11), (12) has a size that can be hooked by inserting fingers, and its depth is gradually inclined toward the pivot side so that it gradually becomes shallower, thereby It makes it easy to remove accumulated dust. In addition, the inner surfaces of the grips (11) and (12) are made of synthetic resin and integrally molded with the door caps (7) and (8) to form a smooth structure so that the nails of the fingers are not damaged inside. I have to. Furthermore, protruding ribs (32) protruding rearward are formed across the left and right near the upper edges of the back surfaces of the grip portions (11), (12).

The door frame (15) has a frame-like shape, and has a base portion (33) having a predetermined width, an engaging groove (34) opening forward, and a gasket opening rearward inside thereof. It has a mounting groove (36) for (35). Incidentally, the door caps (7) and (8) described above are shaped so that the left and right sides are opposite to each other. Further, the opening edges of the grip portions (11) and (12) are formed low on the front side so that fingers can be easily inserted, and the gap between the facing door bodies (3) and (4) is widened.

Next, a procedure for assembling the door body (2) will be described. In the fitting holes (23) and (24) of the upper and lower side walls (18) and (19) of the door outer plate (14), the door caps (7) and (8) are inserted from above and below as shown by solid line arrows in FIG. ) Mating protrusions (30), (31), and the upper and lower ends of the door body (2)
Cover with (7) and (8). At this time, the notches (25) and (26) correspond to the handles (11) and (12), and the handles (11) and (12) correspond to the notches (2
5) and (26) will be projected. In this state, the side walls (18) and (19) of the door caps (7) and (8) are attached, and the stepped portion (22) and the protruding rib (32) project rearward. In this state, the door frame (15) is made to correspond from the rear side as shown by the broken line arrow in FIG. 5, and the step portions (22) of the side walls (18), (19), (20) and (21) and the door cap are attached.
The protruding ribs (32) of (7) and (8) are inserted into and engaged with the engaging groove (34), and the door frame (15) is attached to the door outer plate (14). At this time, the door cap (7),
The rear end of (8) covers the joint between the door frame (15) and the side walls (18), (19). Next, attach the peripheral flange (16A) of the door inner plate (16) to the door frame (15).
Installed in a predetermined foaming jig in contact with the rear surface of the base part (33), and injecting the undiluted solution of the heat insulating material (17) into the space created in the door outer plate (14), and applying the on-site foaming method. To fill. Thermal insulation (17)
Is adhered to the door outer plate (14), the door caps (7) and (8), the door frame (15) and the door inner plate (16), whereby the respective members are integrated.
In particular, in the door caps (7) and (8), in addition to the fitting protrusions (30) and (31), the grip portions (11) and (12) protrude toward the heat insulating material (17) side, and the back surface of the heat insulating material ( The door cap (7),
(8) will no longer come off the door body (2). Also, the door cap
The protruding ribs (32) of (7) and (8) are engaged with the engagement grooves (34) of the door frame (15) to prevent the heat insulating material (17) from leaking therefrom, and
Since the door frame (15) corresponding to the notches (25) and (26) when assembled in the foam jig is supported by the protruding rib (32) instead of the step (22), each member A predetermined space therebetween is maintained, and the close contact with the door inner plate (16) is not impaired. That is, the door frame (15) does not fall toward the door outer plate (14) when the heat insulating material (17) is foamed, and a special holding member is not required. The leg (35A) of the gasket (35) is fitted into the mounting groove (36) opened in the door frame (15) of the door body (2) completed in this way and mounted.

The doors (3) and (4) have the same structure.

(G) Effect of the Invention According to the present invention, since the handle portion is formed to be recessed in the door cap, the handle portion does not project to the outside of the door body, and the handle portion has an engaging groove of the door frame. Since the rib that fits in the door is formed, the fit between the side wall end of the door outer plate and the engagement groove is eliminated only in the notch, but the rib in the handle fits in a complementary manner. The attachment of the door frame to the outer panel of the door is not impaired, the fitting prevents the leakage of the heat insulating material, and no special sealing work is required. Moreover, since the grip portion increases the contact area between the heat insulating material and the door cap, the strength of the door body can be improved without using a reinforcing member.

[Brief description of drawings]

Each drawing shows an embodiment of the present invention, FIG. 1 is a front view of a refrigerator, FIG. 2 is a perspective view of a door body, FIG. 3 is a sectional view taken along line AA of FIG. 2, and FIG. 2 is a sectional view taken along line BB in FIG. 2, and FIG. 5 is an exploded perspective view of the door body. (2), (3), (4) …… door body, (6), (7), (8) …… door cap, (1
0), (11), (12) …… Handle part, (14) …… Outdoor skin, (15) …… Door frame, (17) …… Insulation material, (18), (19), (20 ), (21) …… side wall,
(25), (26) ... notch, (32) ... protruding rib, (34) ... engaging groove.

Claims (1)

[Claims] 1. A door outer plate having side walls formed on the left, right, top and bottom,
In a door body of a refrigerator provided with upper and lower door caps attached to upper and lower side walls of the door outer plate, a door frame having an engaging groove for fitting respective side wall end portions of the door outer plate, and the upper and lower doors. At least one door cap among the caps, a grip portion formed in a recess, a notch formed in a side wall corresponding to the grip portion, and a rib formed on an outer surface of the grip portion and fitted in an engagement groove of the door frame. A door body of a refrigerator, characterized by comprising: a foam insulation material filled in a door outer plate.