JP6203149B2 - Refrigerator door and refrigerator - Google Patents

Description

  The present invention relates to a refrigerator, and more particularly to a refrigerator door.

  In a general refrigerator, a refrigerator compartment and a freezer compartment are formed inside a box, and each is configured to be opened and closed freely by a refrigerator compartment door and a freezer compartment door. Moreover, the refrigerator compartment door and the freezer compartment door are provided with a handle portion for placing a hand when opening and closing each door.

  Patent Document 1 describes that a part of an outer plate of a refrigerator door is cut out and a handle is fitted as a handle to the cut-out part. The handle described in Patent Document 1 includes a body, a base, and a trim, and is configured to be fixed to a door together with the outer plate and the inner plate by a foam heat insulating material filled in a space between the outer plate and the inner plate. It has become.

  Patent Document 2 describes that the handle is formed by the outer plate of the refrigerator door. Specifically, in the refrigerator described in Patent Document 2, the outer skin of the door includes a front skin that forms most of the front surface of the door, a rear skin that forms part of the front surface, and a front skin. And a connecting part (retainer) for connecting the rear outer plate. In addition, the rear outer plate is arranged behind the front outer plate, so that a concave space is formed between the rear outer plate and the front outer plate for putting a hand when opening and closing the door. Furthermore, the handle portion is formed by bending one end of the front outer plate into a U shape.

Japanese Patent Laid-Open No. 6-159916 (see FIG. 2) JP 2009-168302 A (see FIGS. 4 to 6)

  In order to provide the handle portion described in Patent Document 1, it is necessary to perform notching and bending processing on the outer plate of the door. In addition, since the handle as the handle portion is composed of a plurality of parts, the number of parts and work man-hours increase, and the assembling work becomes complicated.

  Further, in the case of the door described in Patent Document 2, in order to form the handle portion, a process of bending the front outer plate into a U shape is required. In this case, since the outer plate of the door is a design part, it is necessary to pay close attention so as not to damage the handle, and the bending width of the handle portion is narrow (for example, 8.5 mm), and processing is not easy. Further, since the rear outer plate and the front outer plate are overlapped and sandwiched together by the retainer, it is necessary to align the rear outer plate and the front outer plate before sandwiching. Furthermore, when the vertical and horizontal positions are shifted after being sandwiched between the retainers, it is necessary to remove both the rear outer plate and the front outer plate from the retainer and perform alignment again, which is very troublesome.

  As described above, in the conventional refrigerator, the number of processes for assembling and assembling the door handle increases, and the work is complicated. As a result, there is a problem that the assembly work takes time and the yield during production is also deteriorated.

  The present invention is for solving the above-described problems, and by improving the workability and assembly of the refrigerator door, the working time is shortened and the yield is improved, and a high-quality refrigerator is realized. The purpose is to provide.

  The refrigerator door according to the present invention is a refrigerator door including an inner plate and an outer plate, and the outer plate is disposed behind the front outer plate and the front outer plate constituting a part of the front surface of the door, A rear outer plate that constitutes a part of the front surface of the door, and a connecting part that connects the front outer plate and the rear outer plate. The connecting part includes a front insertion groove into which the front outer plate is inserted, and a rear outer plate. A rear insertion groove into which the plate is inserted, and a recess between the rear outer plate and the connection component in a state where the front outer plate and the rear outer plate are respectively inserted into the front insertion groove and the rear insertion groove, A handle is formed.

  In the refrigerator door according to the present invention, processing and assembly are facilitated, and the working time can be shortened and the yield can be improved. As a result, a high-quality refrigerator can be provided.

It is an external appearance perspective view of the refrigerator in embodiment of this invention. It is a front view of the refrigerator in embodiment of this invention. It is a top view of the refrigerator in embodiment of this invention. It is a cross-sectional view of the freezer compartment door with which the refrigerator in embodiment of this invention is provided. It is a disassembled perspective view of the freezer compartment door in embodiment of this invention. It is the figure which expanded partially the cross-sectional view of the freezer compartment door shown in FIG. It is the figure which expanded further partially the cross-sectional view of the freezer compartment door shown in FIG.

  DESCRIPTION OF EMBODIMENTS Embodiments of a refrigerator and a refrigerator door in the present invention will be described below in detail based on the drawings.

  FIG. 1 is an external perspective view of a refrigerator 1 according to an embodiment of the present invention, FIG. 2 is a front view of the refrigerator 1, and FIG. 3 is a top view of the refrigerator 1. As shown in FIGS. 1 to 3, the refrigerator 1 includes a box 2, a freezer compartment door 3 and a refrigerator compartment door 4 provided at the front opening of the box 2. The box 2 is configured by filling a space provided between a steel plate outer box and a resin inner box with a foam heat insulating material. In the accommodation space inside the box body 2, a freezing room and a refrigeration room that are insulated and partitioned by a partition member are formed. The freezer compartment door 3 and the refrigerator compartment door 4 are attached so as to close the freezer compartment and the refrigerator compartment inside the box 2 so that they can be opened and closed. The freezer compartment door 3 and the refrigerator compartment door 4 are rotatably supported by a hinge portion 6 having a door rotation shaft 6a. The hinge portion 6 is disposed on the right front side of the ceiling portion of the refrigerator 1 and is covered with a hinge cover 5. On the left side of the front face of the freezer compartment door 3 and the refrigerator compartment door 4, a handle portion A extending in the height direction is formed.

  Next, the structure of the handle A in the present embodiment will be described with reference to FIGS. The refrigerator compartment door 4 is also configured in the same manner as the freezer compartment door 3 described below. FIG. 4 is a cross-sectional view of the freezer compartment door 3 of the present embodiment, and is a view of the freezer compartment door 3 cut along the ZZ cross section of FIG. FIG. 5 is an exploded perspective view of the freezer compartment door 3 of the present embodiment. As shown in FIGS. 4 and 5, the freezer compartment door 3 includes an outer plate 10 that constitutes the front surface of the freezer compartment door 3 and an inner plate 15 that constitutes the rear surface. Moreover, as shown in FIG. 5, the upper door cap 13 is attached to the upper surface of the outer plate 10, and the lower door cap 14 is attached to the lower surface. Further, the space inside the outer plate 10 is filled with a foam heat insulating material 40 such as polyurethane resin. The freezer compartment door 3 is assembled by attaching the inner plate 15 before the foam heat insulating material 40 filled inside the outer plate 10 is molded and fixed.

  As shown in FIG. 4, the outer plate 10 includes a front outer plate 11, a rear outer plate 12, and a connection component (hereinafter referred to as “trim door”) 30 that connects the front outer plate 11 and the rear outer plate 12. Is provided. The front outer plate 11 and the rear outer plate 12 are formed by bending one thin steel plate. The front outer plate 11 includes a flat surface portion 11a that constitutes most of the front surface of the freezer compartment door 3, a side surface portion 11b that is bent rearward from the flat portion 11a, and that constitutes the side surface of the freezer compartment door 3, and an inner plate. 15 and a connecting part 11c connected to the terminal 15.

  FIG. 6 is a partially enlarged view of the cross-sectional view of the freezer compartment door 3 shown in FIG. 4. Specifically, FIG. 6 is an enlarged view of the periphery of the rear outer plate 12. As shown in FIG. 6, the rear outer plate 12 is bent rearward from one end of the flat surface portion 12 a and a flat surface portion 12 a that constitutes a part of the front surface of the freezer door 3, and the side surface of the freezer door 3 is A side surface portion 12b, a bent portion 12c that bends and extends forward from the other end of the flat surface portion 12a, an insertion portion 12d that is bent from the bent portion 12c and extends parallel to the flat surface portion 12a, and an inner plate 15; And a connecting portion 12e to be connected. As shown in FIGS. 4 and 6, the rear outer plate 12 is disposed behind the front outer plate 11, and the flat portion 12a and the bent portion 12c of the rear outer plate 12 are L-shaped, thereby freezing room doors. 3 is formed with a concave portion constituting the handle portion A.

  FIG. 7 is an enlarged view of a part of the cross-sectional view of the freezer compartment door 3 shown in FIG. 6. More specifically, FIG. 7 is an enlarged view of the periphery of the trim door 30. The trim door 30 in the present embodiment is formed by resin extrusion molding or injection molding, and has a length substantially the same as the length of the outer plate 10 in the height direction. The trim door 30 includes a front insertion groove 30a for inserting the front outer plate 11, a rear insertion groove 30b for inserting the rear outer plate 12, a guide rib 30c for guiding the insertion of the rear outer plate 12, and a freezer compartment. It has a handle surface 30d and a projecting portion 30e that are used when the door 3 is opened, and an uneven surface 30f that suppresses peeling of the foam heat insulating material 40.

  The front insertion groove 30 a is formed at the right end portion on the front side of the trim door 30. Further, the rear insertion groove 30b is formed in the left end portion on the rear surface side of the trim door 30 in parallel with the front insertion groove 30a. The front insertion groove 30a and the rear insertion groove 30b are formed to be recessed in opposite directions in the left-right direction. When the outer plate 10 is assembled, the front end of the flat portion 11a of the front outer plate 11 is inserted into the front insertion groove 30a from the right side, and the front end of the insertion portion 12d of the rear outer plate 12 is changed from the left side to the rear insertion groove 30b. Inserted. Thus, since the front outer plate 11 and the rear outer plate 12 are positioned by the front insertion groove 30a and the rear insertion groove 30b of the trim door 30, respectively, it is possible to suppress the shift of the left and right positions of the outer plate 10. Further, since the front outer plate 11 and the rear outer plate 12 are independently connected to the trim door 30, even if the front outer plate 11 and the rear outer plate 12 are assembled while being displaced in the vertical direction, they are individually positioned. Can be corrected, and the correction work becomes easy.

  The guide rib 30c is a rib extending obliquely rearward from the opening portion of the rear insertion groove 30b. When the outer plate 10 is assembled, the insertion portion 12d of the rear outer plate 12 is guided to the rear insertion groove 30b by the guide rib 30c, so that the assembly is facilitated.

  The handle surface 30d is a flat surface formed on the rear surface of the trim door 30 (the surface facing the flat surface portion 12a of the rear outer plate 12). The handle portion A is formed by the handle surface 30d and the flat surface portion 12a and the bent portion 12c of the rear outer plate 12. Thus, by constituting a part of the handle portion A with the trim door 30, the front outer plate 11 can have a simple shape (substantially L-shaped in the example of the present embodiment), and the number of processing steps can be reduced. Can be achieved.

  The protruding portion 30e is formed so as to protrude, for example, 5 mm to 10 mm forward of the front outer plate 11 on the opposite side of the handle surface 30d. When opening the freezer compartment door 3, the handle surface 30d and the protrusion 30e can be grasped by hand. Thereby, a feeling of grip can be raised and opening and closing of the freezer compartment door 3 becomes easy. Moreover, by providing the protrusion part 30e, a finger | toe and a hand do not touch the outer plate 10 directly, and the stain | pollution | contamination of the outer plate 10 can also be suppressed. Furthermore, by forming the protrusion 30e in front of the front insertion groove 30a, the insertability of the front outer plate 11 can be improved and the strength of the front insertion groove 30a can be improved.

  The uneven surface 30 f is a jagged surface formed on the surface facing the front outer plate 11. A space filled with the foam heat insulating material 40 is formed between the uneven surface 30f and the front outer plate 11 by the convex portion formed behind the front insertion groove 30a. And by forming the uneven surface 30f on the surface in contact with the foam heat insulating material 40, the foam heat insulating material 40 filled in the space is hardly peeled off. Thereby, the front outer plate 11 and the rear outer plate 12 are securely connected by the trim door 30.

  As described above, in the present embodiment, the front outer plate 11 and the rear outer plate 12 are connected by the trim door 30 to configure the outer plate 10, thereby suppressing an increase in the number of parts of the outer plate 10 and workability. And assembly property can be improved. Moreover, this leads to shortening of the assembly time of the refrigerator 1 and improvement of the yield, thereby realizing cost reduction and providing the refrigerator 1 with high quality.

  The above is the description of the embodiment of the present invention. However, the present invention is not limited to the configuration of the above-described embodiment, and various modifications or combinations are possible within the scope of the technical idea. . For example, the handle A can be formed by applying the present invention not only to a door that opens only on one side, such as the freezer compartment door 3, but also to both doors. Further, the handle A can be formed not only on the rotary door but also on the drawer-type door. Further, the handle A is not limited to the freezer compartment door 3 and the refrigerator compartment door 4, and the handle A can be formed on various storage compartment doors that the refrigerator 1 can have, such as a vegetable compartment and an ice making compartment.

  Moreover, in the said embodiment, although the front surface of the freezer compartment door 3 was made into the plane (The plane part 11a and the plane part 12a of the outer plate 10), it is not limited to this, The front surface (outside) of the freezer compartment door 3 The plate 10) may be curved. In this case, the trim door 30 is formed in a shape corresponding to the shape of the outer plate 10. Furthermore, the handle surface 30d of the trim door 30 is not limited to a flat surface, and may be provided with unevenness for further improving the grip feeling. In addition, the trim door 30 can be molded in two colors, and the design of the refrigerator 1 can be expanded by changing the colors of the handle surface 30d and the protrusion 30e.

  DESCRIPTION OF SYMBOLS 1 Refrigerator, 2 box body, 3 freezer compartment door, 4 refrigerator compartment door, 5 hinge cover, 6 hinge, 6a door rotating shaft, 10 outer plate, 11 front outer plate, 12 rear outer plate, 11a, 12a plane part, 11b 12b Side surface portion, 11c, 12e Connection portion, 12c Bending portion, 12d Insertion portion, 13 Upper door cap, 14 Lower door cap, 15 Inner plate, 30 Trim door, 30a Front insertion groove, 30b Rear insertion groove, 30c Guide rib, 30d handle surface, 30e protrusion, 30f uneven surface, 40 foam insulation, A handle portion.

Claims (8)

A refrigerator door comprising an inner plate and an outer plate,
The outer plate is
A front outer plate constituting a part of the front surface of the door;
A rear skin disposed behind the front skin and constituting a part of the front surface of the door;
A connecting part for connecting the front outer plate and the rear outer plate,
The connecting component is
A front insertion groove into which the front outer plate is inserted;
A rear insertion groove into which the rear outer plate is inserted, and
A handle portion is formed by a recess between the rear outer plate and the connection component in a state where the front outer plate and the rear outer plate are inserted into the front insertion groove and the rear insertion groove, respectively. Features a refrigerator door.   The refrigerator door according to claim 1, wherein the front insertion groove and the rear insertion groove are formed in parallel with each other and recessed in opposite directions.   3. The refrigerator door according to claim 1, wherein the connection component further includes a guide rib for guiding a front end of the rear outer plate to the rear insertion groove. 4.   The door of the refrigerator according to any one of claims 1 to 3, wherein the connection component further includes a handle surface constituting a part of the handle portion.   5. The refrigerator door according to claim 4, wherein the connection part further includes a protrusion formed to protrude forward from the front outer plate on the opposite side of the handle surface. The door further includes a foam heat insulating material filled between the inner plate and the outer plate,
The door of the refrigerator according to any one of claims 1 to 5, wherein the connection component further includes an uneven surface in contact with the foam heat insulating material.   The door of the refrigerator according to any one of claims 1 to 6, wherein the connection part is formed by extrusion molding or injection molding. The refrigerator door according to any one of claims 1 to 7,
And a box having a storage chamber that is closed by the door so as to be opened and closed.

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