JP2011064418A - Refrigerator - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To provide a refrigerator capable of thinning beads of door inner plates to widely utilize food storage sections of pockets. <P>SOLUTION: The refrigerator includes a pair of doors 2a-1, 2a-2 rotated side by side by hinges disposed at both sides of an opening of a storage compartment, and pockets 17 disposed in the pair of doors 2a-1, 2a-2. The doors 2a-1, 2a-2 include door outer plates 15 forming door surfaces, and the door inner plates 16 injection-molded to form indoor faces to the door outer plates through heat insulating spaces with respect to the door outer plates 15. The door inner plates 16 have plate-shaped beads 16a formed in a state of extending to an indoor side at its both sides. Reinforcement projecting ribs 16d are formed integrally with the beads at an outer side of the beads 16a and recessed grooves 16b are formed integrally with the beads at an inner side of the beads 16a. Projecting sections 17a formed at outer sides of side faces of the pockets 17 are engaged with the recessed grooves 16b. <P>COPYRIGHT: (C)2011,JPO&INPIT

Description

  The present invention relates to a refrigerator provided with a pair of double doors at the opening of a storage room, and more particularly to the configuration of a door inner plate. The refrigerator according to the present invention includes a freezer, a storage, a cold storage, and the like.

  In the conventional refrigerator, for example, “the left and right doors 12 and 13 that open the front opening of the storage chamber from the central portion to the double doors by hinge portions provided on both side ends, and the left and right doors are extended to the indoor side. The door inner member 15 integrally formed with the provided pocket bead portion 15a and the door pocket member 16 attached to the door inner member to form the storage pocket portion 20 are formed by injection molding the door inner member 15. ... "is proposed (see Patent Document 1).

JP 2004-340387 (summary, FIG. 3)

  The conventional refrigerator (Patent Document 1) is provided with a pocket bead portion that extends to the indoor side of each of the left and right doors. This bead portion is a mold on the heat insulating material side. The components corresponding to the minimum wall thickness and the wall thickness of the door inner plate protrude to the storage pocket, and the size of the storage pocket is limited, and the volume of food that can be stored is increased. There was a problem that it became useless space.

  The present invention has been made to solve the above-described problems, and provides a refrigerator in which the bead portion of the door inner plate is thinned and the food storage portion of the pocket can be widely used. For the purpose.

  The refrigerator according to the present invention includes a pair of doors that are pivotally rotated by hinges provided on both sides of the opening of the storage chamber, and a pocket portion that is provided inside at least one of the pair of doors. . The door includes a door outer plate that forms a door surface, and an injection-molded door inner plate that forms an indoor surface with respect to the door outer plate through a heat insulating space. The door inner plate is formed with a plate-shaped bead portion formed on both sides thereof so as to extend indoors, and a reinforcing rib formed integrally with the bead portion is provided outside the bead portion. A groove formed integrally with the bead portion is formed inside the bead portion, and a convex portion formed on the outer side surface of the pocket portion is engaged with the groove.

  According to the refrigerator of the present invention, the door inner plate is formed with plate-shaped bead portions formed on both sides thereof so as to extend indoors, and is formed integrally with the bead portion outside the bead portion. Since a rib for reinforcement is provided, and a groove formed integrally with the bead portion is formed inside the bead portion, and a convex portion formed on the outer side surface of the pocket is engaged with the groove. , No protrusion to the pocket side. For this reason, the size of the pocket portion is not restricted, and the food storage portion of the pocket can be widely used. As a result, the convenience of the pocket is improved. Moreover, although the bead part is plate-shaped, the rib for the reinforcement integrally formed with the bead part is provided in the outer side, and the intensity | strength is ensured.

It is a front view of the refrigerator which concerns on Embodiment 1 of this invention. It is sectional drawing of the refrigerator of FIG. FIG. 2 is a cross-sectional view showing details of a left door and its peripheral part of the refrigerator of FIG. 1. FIG. 4 is a cross-sectional view showing details of a door inner plate extracted from the left door of FIG. 3. It is explanatory drawing which showed the relationship between the door inner board of FIG. 4, and a metal mold | die. FIG. 4 is a cross-sectional view showing details of a modified example of the door inner plate of FIG. 3. FIG. 4 is a cross-sectional view of a comparative example of the same portion as FIG. 3. FIG. 5 is a cross-sectional view of a comparative example of the same portion as FIG. 4. It is explanatory drawing of the comparative example of the same part as FIG.

Embodiment 1 FIG.
1 is a front view of a refrigerator according to Embodiment 1 of the present invention, and FIG. 2 is a cross-sectional view of FIG.
The refrigerator 100 of FIG. 1 is provided with a box-shaped main body 1 (heat insulating box) having an opening with one surface (front surface) opened. The main body 1 includes an outer box 1a made of a steel plate and an inner box 1b made of a resin, and a heat insulating material 1c is filled therebetween. And the refrigerator compartment door 2a, the vegetable compartment door 2b, and the freezer compartment door 2c are each provided in the opening part of the main body 1 so that opening and closing is possible. Moreover, the refrigerator compartment 6, the vegetable compartment 7, and the freezer compartment 8 are each formed in the inside of the main body 1 in order from the top, for example, and the refrigerator compartment door 2a and the vegetable compartment door 2b described above correspond to each room. And the freezer compartment door 2c is provided. In the refrigerator compartment 6, a plurality of shelves are arranged to store stored items, and the refrigerator compartment 6 and the vegetable compartment 7 are partitioned by a partition wall 10. The vegetable compartment 7 and the freezer compartment 8 are partitioned by a partition wall 11.

  The refrigerator compartment door 2a is composed of a pair of doors of a refrigerator compartment left door 2a-1 and a refrigerator compartment right door 2a-2, and the refrigerator compartment left door 2a-1 and the refrigerator compartment right door 2a-2 are the main body 1. The refrigerating chamber 6 is opened and closed by a double door opening method. In the present embodiment, left and right are defined as the left and right when the refrigerator 100 is viewed from the front. The vegetable compartment door 2b and the freezer compartment door 2c are drawer type doors, and in FIG. 2, the state when these doors are closed and opened is shown in an overlapping manner.

  The refrigerator 100 is configured as described above, and generates cold air that cools each chamber (the refrigerator compartment 6, the vegetable compartment 7, and the freezer compartment 8) by a refrigeration cycle using a compressor (not shown). On the back side of the refrigerator 100, a cooler chamber (not shown) is provided inside the inner box 1b, and cold air is generated in the cooler chamber. In an evaporator (not shown) of a refrigeration cycle provided in the cooler chamber, cold air is generated by heat exchange between the refrigerant and air. At this time, moisture in the air condenses in the evaporator and eventually becomes frost. The frost adhering to the evaporator is periodically melted using, for example, an electric heater in order to maintain the performance of the evaporator, and stored in an evaporating dish (not shown). The defrost water stored in the evaporating dish is heated and evaporated by, for example, a condenser of a refrigeration cycle.

Next, the refrigerator compartment door 2a will be described.
FIG. 3 is a cross-sectional view showing details of the refrigerator compartment left door 2a-1 and its peripheral portion, FIG. 4 is a cross-sectional view showing details of the inner door plate of the left door of FIG. 3, and FIG. It is explanatory drawing which showed the relationship between a door inner board and a metal mold | die.

  The refrigerator compartment left door 2a-1 is provided with the door outer plate | board 15, the door inner plate | board 16, and the heat insulating material 22, as FIG. 3 shows. The door outer plate 15 is composed of a steel plate material having a U-shaped cross section that forms the door surface. The door inner plate 16 is attached to the door outer plate 15 via a heat insulating space, and forms an indoor surface. The upper and lower openings of the space formed by the door outer plate 15 and the door inner plate 16 are closed by a cap member, and the inner space is filled with a heat insulating material 22, and the door outer plate 15, the door inner plate 16 and the heat insulating material. 22 is integrated and the refrigerator compartment left door 2a-1 is comprised. A plurality of pocket portions 17 projecting toward the inside of the cabinet are disposed on the inside of the door, and a gasket 18 is attached to the peripheral edge of the inside of the door to prevent the indoor cool air from flowing out to the outside. Further, a hinge 20 is attached to the main body 1 through a part of the heat insulating material 22 filled in the internal space of the refrigerator compartment left door 2a-1, and the hinge 20 attaches the hinge 20 to the refrigerator compartment left door 2a-1. Rotation is possible.

  The door inner plate 16 is injection-molded. As shown in FIG. 4, thin plate-like bead portions 16a are formed on both sides of the door inner plate 16 so as to protrude toward the refrigerator compartment (the crossing in FIG. 4). A concave groove 16b is formed at the inner base of the bead portion 16a. The convex portion 17a formed on the side surface 17b of the pocket portion 17 is accommodated in the concave groove 16b and engaged therewith. To do. Further, a plurality of convex ribs 16d protruding to the opposite side of the pocket portion 17 are formed on the outside of the bead portion 16a, and this serves to reinforce the door inner plate 16. In addition, although the refrigerator compartment left door 2a-1 was demonstrated here, although refrigerator compartment right door 2a-2 becomes a symmetrical shape with respect to refrigerator compartment left door 2a-1, the fundamental structure is the same. It is.

  The present embodiment is intended to provide a refrigerator 100 that can widely utilize the food storage portion of the pocket portion 17 without deteriorating the design, but first, FIG. 7, FIG. The structure of the door inner board 16 and the pocket part 17 of the refrigerator compartment left door 2a-1 is demonstrated about the comparative example shown by FIG.

7 is a cross-sectional view of a comparative example of the same part as FIG. 3, FIG. 8 is a cross-sectional view of a comparative example of the same part as FIG. 4, and FIG. 9 is an explanatory diagram of a comparative example of the same part as FIG. is there.
The door inner plate 16 is formed by injection molding using PP, ABS resin or the like. The door inner plate 16 is formed by molds 210, 211, 212 slidable in the direction of the arrow in FIG. 8, and the pocket portion 17 is formed in the engaging groove 16b formed inside the bead portion 16a. The convex part 17a provided in the side surface 17b of this is engaged.

  In the case of the door inner plate 16, the bead portion 16 a has a larger width due to the thickness of the mold and the inner and outer thicknesses of the bead portion 16, and a convex portion on the inner side of the bead portion 16 a. Since 16e is formed, the side surface 17b of the pocket part 17 needs to be inside the convex part 16e. Therefore, there is a problem that the storage width of the pocket portion 17 is inevitably narrowed.

  However, the door inner plate 16 according to the present embodiment is formed into a plate shape by the molds 201, 202, 203, 204, 205 slidable in the arrows 30a to 30c of FIG. And the convex rib 16d is provided in the outer side of the bead part 16a, and intensity | strength is hold | maintained. Since the bead portion 16a is formed in this way, the width of the bead portion 16a can be made as narrow as possible compared with the conventional injection molding door inner plate 16, so that the width direction of the food storage portion of the pocket portion 17 is reduced. Can be expanded outward.

  In addition, you may make it cover the recessed part 16c formed by the convex rib 16d of the door inner board 16 with another members 23, such as a seal | sticker, as FIG. 6 shows. By covering the recess 16c in this way, the air in the recess 16c can be prevented from flowing out of the cold air in the refrigerator compartment 6 and the power consumption can be reduced.

  1 main body, 1a outer box, 1b inner box, 1c heat insulating material, 2a refrigerator compartment door, 2a-1 refrigerator compartment left door, 2a-2 refrigerator compartment right door, 2b vegetable compartment door, 2c freezer compartment door, 6 refrigerator compartment, 7 vegetable compartment, 8 freezer compartment, 10 partition wall, 11 partition wall, 16 door inner plate, 16a bead part, 16b concave groove, 16c concave part, 16d convex rib, 17 pocket part, 17a convex part, 17b pocket side face, 18 gasket 20 hinges, 100 refrigerator.

Claims (2)

A pair of doors pivoted in a double door by hinges provided on both sides of the opening of the storage room;
A pocket provided inside at least one of the pair of doors;
The door
A door skin forming the door surface;
An inner wall of the door that forms an indoor surface through a heat insulating space with respect to the door outer plate,
The door inner plate is formed with plate-like bead portions formed on both sides thereof so as to extend to the indoor side,
On the outside of the bead portion, a reinforcing rib formed integrally with the bead portion is provided,
A groove formed integrally with the bead portion is formed inside the bead portion,
The refrigerator is characterized in that a convex portion formed on the outer side surface of the pocket portion is engaged with the groove.   The refrigerator according to claim 1, wherein the recess formed by the reinforcing rib of the bead portion is covered with another member.

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