JP2017215098A - refrigerator - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a sufficient opening area of a ventilation hole formed for a machine room and secure high cooling performance.SOLUTION: A refrigerator of an embodiment includes: a machine room provided at a refrigerator body; a rectangular opening formed at a side plate forming a side wall surface of the machine room; a side plate cover which is attached to the side plate so as to close the opening, has ventilation holes, and is made of a synthetic resin; a flange part which is integrally provided with the side plate cover and arranged so as to enclose a periphery part of the opening; and a protruding part which is provided on a rear surface side of the flange part of the side plate cover and contacts with an outer surface of the slide plate.SELECTED DRAWING: Figure 1

Description

  Embodiments described herein relate generally to a refrigerator.

  Conventionally, in a household refrigerator, a compressor, a condenser, a blower fan that blows cooling air to the compressor chamber, and the like are disposed in a machine room provided on the rear side of the lower part of the refrigerator body, and the back of the machine room A back cover made of a metal plate is attached so as to cover. At this time, in the rear cover, ventilation holes for intake and exhaust are formed in, for example, a plurality of horizontally long slits arranged vertically and horizontally (see, for example, Patent Document 1). In addition, this slit-shaped ventilation hole is made into the magnitude | size which does not enter a child's finger | toe individually.

Japanese Patent No. 3676901

  By simply forming slit-like ventilation holes in the back cover made of metal plate as described above, the area of the ventilation opening as a whole cannot be obtained sufficiently. There was a possibility that the ventilation of wind would be insufficient, leading to insufficient cooling.

  Thus, a refrigerator capable of obtaining a sufficient opening area of a vent hole for a machine room and ensuring high cooling performance is provided.

  The refrigerator according to the embodiment is attached to the side plate so as to close the opening, a machine room provided in the refrigerator body, a rectangular opening formed in the side plate constituting the side wall surface of the machine room, and the opening. A side plate cover made of synthetic resin having pores, a flange portion provided integrally with the side plate cover so as to surround the periphery of the opening, and provided on the back side of the flange portion of the side plate cover, And a convex portion in contact with the outer surface of the side plate.

The 1st embodiment is shown and a vertical right side view of a refrigerator body External perspective view of the refrigerator body from diagonally right behind Schematic top view showing the cross section of the machine room Enlarged right side view of side plate cover Front view of the side plate cover Transverse plan view of side plate cover along line AA in FIG. Transverse plan view of side plate cover along line BB in FIG. Enlarged right side view of the side plate cover portion showing the second embodiment Enlarged right side view of the side plate cover portion showing the third embodiment Enlarged right side view of the side plate cover portion showing the fourth embodiment

(1) First Embodiment Hereinafter, a first embodiment will be described with reference to FIGS. First, with reference to FIG.1 and FIG.2, the whole structure of the refrigerator which concerns on this embodiment is described easily.

  The refrigerator main body 1 is configured by providing a plurality of storage chambers in a vertically long rectangular box-shaped heat insulation box 2 whose front surface is open. Although detailed illustration is omitted, the heat insulating box 2 is configured by filling a heat insulating material between a steel plate outer box and a plastic inner box. As the plurality of storage rooms in the heat insulation box 2, specifically, a refrigerated room 3, an upper freezer room 4, a vegetable room 5, and a lower freezer room 6 are provided in order from the upper stage. The portion of the heat insulating box 2 where the upper freezer compartment 4 is provided is divided into two left and right rooms, the upper freezer compartment 4 is provided on the right side, and the ice making chamber (not shown) is provided on the left side. Yes. A known automatic ice making device is provided in the ice making chamber.

  The refrigerator compartment 3 and the upper freezer compartment 4 (and the ice making room) are partitioned vertically by a heat insulating partition wall 7, and the upper freezer compartment 4 (and the ice making room) and the vegetable compartment 5 are insulated by a heat insulating partition wall. The vegetable compartment 5 and the lower freezing compartment 6 are partitioned vertically by a heat insulating partition wall 9. A hinged open / close heat insulating door 10 is provided on the front surface of the refrigerator compartment 3. A drawer-type heat insulating door 11 is provided on the front surface of the upper freezer compartment 4, and a storage container 12 is connected to the back surface of the heat insulating door 11. A drawer-type heat insulating door 13 to which a storage container 14 is connected is also provided on the front surface of the vegetable compartment 5. A drawer-type heat insulating door 15 to which a storage container 16 is connected is also provided on the front surface of the freezer compartment 6.

  Although not shown in detail in the refrigerator main body 1 as a whole, the refrigerator compartment cooler 17 for cooling the refrigerator compartment 3 and the vegetable compartment 5 and the upper and lower refrigerator compartments 4 and 6 (and ice making) are provided. A refrigeration cycle comprising two coolers with a freezer cooler for cooling the chamber) is incorporated. On the back side of the lower end of the refrigerator body 1, a machine room 18 that opens at the back surface of the refrigerator body 1 is provided.

  At this time, as shown in FIG. 3, side plates 27 on which only the outer box made of steel plate constituting the heat insulating box 2 exists are arranged on the left and right side wall portions of the machine room 18. Is covered with a back cover 25 made of, for example, an iron plate. As shown in FIGS. 2 and 3, the rear cover 25 is provided with a grill portion 26 having a large number of slit-like vent holes (openings) 26 a. The grill portion 26 is provided at a position on the left and right sides of the back cover 25, and the vent hole 26a located on the left side is used for intake, and the vent hole 26a located on the right side is used for exhaust. The size of each vent hole 26a is set so that a child's finger cannot enter in order to ensure safety.

  As shown in part in FIG. 3, the machine room 18 is provided with a compressor 19 constituting the refrigeration cycle and a right-side part, and a condenser (not shown) is provided on the left side. ing. A cooling fan device 20 for cooling them, a defrost water evaporating dish (not shown), and the like are disposed near the center of the machine room 18 in the left-right direction. As shown by an arrow C in FIG. 3, the cooling fan device 20 is configured to blow cooling air from left to right. At this time, as will be described later, side plate covers 28, 28 are provided on the side plate 27 constituting the left and right side wall surfaces of the machine room 18. As shown in FIG. 1, a control device 21 made of a microcomputer or the like for controlling the whole is provided near the lower rear portion of the refrigerator main body 1.

  As shown in FIG. 1, a refrigerator room 22 for the refrigerator compartment is provided on the back wall portion of the vegetable compartment 5 in the refrigerator body 1, and the refrigerator compartment 22 for the refrigerator compartment is located at the lower part. In addition, the refrigerator 17 for the refrigerator compartment is disposed, and the blower fan 23 is disposed at the upper part. Thus, when the blower fan 23 is driven, the cold air generated by the refrigerator for the refrigerator compartment 17 is supplied into the refrigerator compartment 3 through the blowout duct 24, and then supplied into the vegetable compartment 5. Circulation is performed such as returning to the refrigerator room 22 for the refrigerator compartment.

  Further, although not shown, a refrigerator room for a freezer compartment is provided on the back wall of the vegetable compartment 5 in the refrigerator body 1 on the left side of the refrigerator compartment 22 for a refrigerator compartment. The freezer compartment cooler is provided with a freezer compartment cooler, a freezer compartment blower fan, and the like so as to supply cold air to the upper and lower freezer compartments 4 and 6 (and the ice making compartment). It has become.

  In the present embodiment, as shown in FIGS. 3 and 5, etc., the left and right side plates 27, 27 of the machine room 18 are formed with rectangular openings 27a, 27a, respectively. Side plate covers 28, 28 made of synthetic resin are provided so as to close the doors 27a, 27a. Hereinafter, the side plate covers 28 and 28 will be described in detail with reference to FIGS. As shown in FIG. 3, these side plate covers 28 and 28 are provided symmetrically (in plane symmetry). Therefore, here, in this case, the side plate cover 28 on the right side wall side will be described as a representative.

  That is, the side plate cover 28 is formed of, for example, a flame-retardant ABS resin molded product, and as shown in FIGS. 4 to 7, a main body portion 29 having a rectangular container shape (box shape), a flange portion 30, and the like. The elastic locking claw 31 and the locking piece 32 are integrally provided. The side plate cover 28 is colored, for example, in the same color as the side plate 27.

  Of these, the main body 29 is sized to fit into the opening 27a from the outside (right side), and has a certain depth that protrudes toward the inside of the machine room 18 (depresses when viewed from the outside). It has a rectangular box shape. That is, the main body 29 is formed in a rectangular box shape that is thin in the left-right direction, having an opening on the right side, a bottom wall on the left side, and four peripheral walls on the top and bottom. At the same time, the wall surface portion of the main body 29 is formed in a so-called vertical and horizontal lattice shape so as to have a large number of ventilation holes 29a. In this case, the vent hole 29a is provided over the entire bottom surface (left wall surface) of the main body 29, and is also formed over the entire circumference on the four peripheral wall portions of the top and bottom. In addition, the size of each vent hole 29a is smaller than the size of each vent hole 26a of the grill portion 26 of the back cover 25, and is set to a size that a child's finger cannot enter.

  The flange portion 30 has a thin rectangular frame shape that extends vertically and front and rear from the peripheral portion of the opening side end portion (right side surface) of the main body portion 29. In this case, the entire circumference is formed with a substantially constant width. Yes. The flange portion 30 is arranged around the four sides of the opening portion 27 a on the outer surface (right side surface) of the side plate 27 in a state where the side plate cover 28 is attached to the side plate 27. At this time, as shown in FIGS. 5 to 7, a convex portion 33 that comes into contact with the outer surface of the side plate 27 is integrally provided on the rear surface side of the flange portion 30. In the present embodiment, the convex portion 33 is provided over the entire circumference of the flange portion 30.

  As shown in FIG. 6, the elastic locking claw 31 extends from the opening end side (flange portion 30) of the main body 29 toward the inside (left side in the drawing), and has a peripheral edge of the opening 27 a of the side plate 27 at the tip. It has a hook portion 31 a that is elastically locked to the inner surface, that is, that sandwiches the side plate 27 with the flange portion 30. These elastic locking claws 31 are partly cut out and disposed in the peripheral wall portion of the main body 29, and the peripheral portion of the elastic locking claws 31, that is, the flange portion 30 side is excluded. A space that allows elastic deformation in three directions is secured. Although not shown in detail, a total of six of these elastic locking claws 31 are provided on each of the three sides of the front side, the rear side, and the upper side of the peripheral wall portion of the main body portion 29 along each side. ing.

  As shown in FIG. 5, the locking piece 32 is located at the lower side portion of the peripheral wall portion of the main body portion 29, and is provided in a rectangular piece shape that protrudes downward, for example, between the flange portion 30 and the side plate. 27 is hooked on the lower side of the periphery of the opening 27a. In this case, for example, two locking pieces 32 are provided on the front and rear sides.

  As described above, the side plate cover 28 configured as described above is attached to the opening portion 27a of the side plate 27 so as to be fitted from the outside. At this time, first, the locking piece 32 on the lower side portion of the main body portion 29 is hooked on the lower side portion of the peripheral edge of the opening portion 27a of the side plate 27, and then the entire main body portion 29 is fitted into the opening portion 27a. To do. Then, the hook portions 31 a of the plurality of elastic locking claws 31 are elastically locked to the inner surface of the periphery of the opening 27 a of the side plate 27, so that the side plate cover 28 is attached to the side plate 27. At this time, the flange portion 30 of the side plate cover 28 is addressed to the outer surface of the peripheral portion of the opening 27 a of the side plate 27, and the convex portion 33 on the back surface side comes into contact with the outer surface of the side plate 27.

  Next, the operation and effect of the above configuration will be described. During the operation of the refrigeration cycle, the cooling fan device 20 is driven in the machine room 18 to cool the compressor 19 and the condenser. Then, the air is blown from the left to the right as shown by an arrow C in FIG. 3 and the like, and the outside air in the machine room 18 is vented to the left side of the back cover 25 in the grill portion 26. And, it is sucked through the vent hole 29a of the left side plate cover 28. Then, after the sucked cooling air flows in the machine chamber 18 and contributes to cooling of the compressor 19 and the condenser, the outside through the right vent hole 26a of the back cover 25 and the vent hole 29a of the right side plate cover 28. To be discharged.

  At this time, the side plate 27 of the machine room 18 can also be provided with an opening for ventilation by the side plate cover 28, and the area of the entire opening for ventilation can be increased accordingly. Since the side plate cover 28 is made of synthetic resin, unlike the case of punching a metal plate, the processing restrictions are alleviated, and a large number of vent holes 29a each having a sufficiently small size, that is, a high safety size are provided. Thus, it is possible to sufficiently increase the opening area as a whole. In this case, since the size of the air holes 29a is smaller than the size of the individual air holes 26a of the grill portion 26, high safety can be ensured.

  Therefore, according to the present embodiment, a sufficient opening area of the vent hole 29a can be obtained, and an excellent effect that high cooling performance for the machine room 18 can be ensured can be obtained. In this case, the main body portion 29 of the side plate cover 28 is formed in a concave shape that is recessed with a depth from the opening portion 27a into the machine chamber 18, and the peripheral wall portion is also provided with a vent hole 29a. Compared with the case where the side plate cover 28 has a flat plate shape, a larger number of air holes 29a can be provided. As a result, the ventilation area can be increased and the cooling becomes more effective.

  Here, by providing the flange portion 30 on the side plate cover 28 and hiding the edge portion of the opening 27a of the side plate 27, safety and good appearance can be ensured. However, in the case where the flange portion 30 is provided in this way, if the contact of the flange portion 30 with the outer surface of the side plate 27 is poor, there is a risk that rattling occurs due to the gap between them and so-called chattering noise is generated.

  However, in the present embodiment, since the convex portion 33 that contacts the outer surface of the side plate 27 is provided on the back surface side of the flange portion 30 of the side plate cover 28, the contact with the side plate 27 is increased, and chatter noise is generated. Such a problem can be prevented in advance. In particular, in the present embodiment, the convex portion 33 of the side plate cover 28 is provided so as to be in contact with the entire circumference of the peripheral portion of the opening portion 27a. Become effective.

  Further, in this embodiment, the mounting elastic latching claw 31 and the locking piece 32 are integrally provided on the side plate cover 28, and the side plate cover 28 is attached to the side plate 27 by using them, so that the mounting structure is simple. Inexpensive, the side plate cover 28 can be easily attached. In this case, a locking piece 32 that locks to the lower side portion of the opening 27 a of the side plate 27 is provided on the lower side portion of the side plate cover 28. Since the locking piece 32 is easily locked to the lower side portion of the opening 27a due to gravity, it is sufficient if it can prevent the outward release without elastically locking, and the simple configuration accordingly. You can do it.

(2) Second to Fourth Embodiments and Other Embodiments FIG. 8 shows the appearance of the side plate cover 41 in the second embodiment, and is different from the side plate cover 28 of the first embodiment. Is in the configuration of the flange portion 42. The flange portion 42 has a thin rectangular frame shape that extends around the four sides of the opening 27a on the outer surface of the side plate 27 and extends in the up-down direction and the front-rear direction. The width dimension of a lower side part is comprised smaller than the width dimension of another side part, ie, a front side part (left side in a figure), and an upper side part.

  At this time, although not shown, the side plate cover 41 is integrally formed with elastic locking claws for attachment. Here, a plurality of elastic locking claws are provided on the peripheral wall portion of the main body. Of these, it is formed on the rear side and the lower side. Although not shown, a convex portion that contacts the outer surface of the side plate 27 is provided on the rear surface side of the flange portion 42.

  Here, in the case where an elastic locking claw is provided on the back surface side of the flange portion 42, only the elastic locking claw portion is constituted by another slide type because of the structure of the molding die used for molding the side plate cover 28, and the side (side plate) 27 surface direction). In this case, if the width dimension of the side of the flange portion 42 is large, there is a situation in which the moving distance of the slide type is increased accordingly, and the size of the slide type is also increased. On the other hand, regarding the side portion having the elastic locking claw in the flange portion 42, by reducing the width dimension compared to the other side portions, the movement distance of the slide type can be reduced, and the slide type structure can be reduced. Simplification and miniaturization can be achieved.

  FIG. 9 shows the appearance of the side plate cover 51 in the third embodiment, and the structure (shape) of the flange portion 52 is also different from the side plate covers 28 and 41 of the first and second embodiments. ing. That is, the width dimension of the front side part (left side in the figure), the rear side part (right side in the figure), and the upper side part of the rectangular frame-shaped flange part 52 is larger than the width dimension of the other side parts, that is, the lower side part. It is small. In this case, as in the first embodiment, the plurality of elastic locking claws for attachment are integrally formed on the front, rear side, and upper side of the peripheral wall portion of the body portion of the side plate cover 51. ing. Of course, a convex portion (not shown) is provided on the back side of the flange portion 52.

  According to this, similarly to the second embodiment described above, by reducing the width dimension of the side portion having the elastic locking claw in the flange portion 52 as compared with the other side portions, The moving distance is small, and the slide type structure can be simplified and downsized. At the same time, the width of the three sides of the flange 52 other than the lower side can be made small and uniform, and a good appearance can be ensured.

  In addition, as in the fourth embodiment shown in FIG. 10, a side plate cover 61 simulating a tennis racket is used by decorating the lattice-like portion as a gut, and decoration using a lower side portion having a large width is applied. And the design property in the side surface of the refrigerator main body 1 can be improved. In this case, it is preferable to improve the design of the side plate cover 61 by providing an opening portion of the side plate in an oval shape or the like so as to have a shape closer to a tennis racket.

  Note that the present invention is not limited to the above-described embodiment, and illustration is omitted. However, for example, the following expansion and modification are possible. That is, in each said embodiment, although the convex part was integrally provided in the flange part of the side plate cover, it is not restricted to this, For example, another member excellent in the adhesiveness with respect to the outer surface of a side plate, such as an adhesive tape and a magnet It is good also as a structure attached to a flange part as a convex part. Further, the object of preventing vibration can be achieved even when the convex portion is provided intermittently (attached to a point in a point) without being provided over the entire circumference of the periphery of the opening. Further, in the above embodiment, the side plate covers are provided on the left and right side plates 27 (both the intake side and the exhaust side), respectively, but may be provided only on one side.

  The vent holes of the side plate cover may be a large number of circular holes, for example. Further, as a method for attaching the side plate cover, it may be fixed by screwing or the like without providing an elastic locking claw or a locking piece. The side plate cover may have a flat shape as a whole instead of a box shape. In addition, various changes can be made to the arrangement of the parts in the machine room and the form of providing the vent holes in the back cover, etc. Also, the internal configuration of the refrigerator may be a single cooler, etc. The present invention can be implemented with appropriate modifications within a range not departing from the gist.

  In the drawings, 1 is a refrigerator body, 18 is a machine room, 19 is a compressor, 20 is a cooling fan device, 25 is a back cover, 26 is a grill, 26a is a vent hole, 27 is a side plate, 27a is an opening, 28, 41, 51 and 61 are side plate covers, 29a is a vent hole, 30, 42 and 52 are flange portions, 31 is an elastic locking claw, 32 is an engagement piece, and 33 is a convex portion.

Claims (7)

A machine room provided in the refrigerator body;
A rectangular opening formed in a side plate constituting the side wall surface of the machine room;
A synthetic resin side plate cover attached to the side plate so as to close the opening and having a vent hole;
A flange portion provided integrally with the side plate cover and disposed so as to surround a peripheral portion of the opening;
A refrigerator provided with the convex part which is provided in the back surface side of the flange part of the said side plate cover, and contacts the outer surface of the said side plate.   2. The refrigerator according to claim 1, wherein the convex portion of the side plate cover is provided so as to contact over the entire circumference of the peripheral portion of the opening of the side plate.   The refrigerator according to claim 1 or 2, wherein the side plate cover is configured in a concave shape that is recessed with a depth from the opening toward the machine room, and a vent hole is provided in a peripheral wall portion thereof. A back cover having a grille is provided on the back of the machine room,
The refrigerator according to any one of claims 1 to 3, wherein a vent hole of the side plate cover is configured to be smaller than each opening of the grill portion. The side plate cover is integrally formed with an elastic locking claw for attachment that is elastically locked to the inner surface of the peripheral portion of the opening of the side plate,
The refrigerator according to any one of claims 1 to 4, wherein, of the flange portions, a side portion having the locking claw is configured to have a smaller width dimension than other side portions.   The refrigerator according to any one of claims 1 to 5, wherein, of the flange portions of the side plate cover, the width of the lower side is configured to be larger than the width of the remaining sides.   The refrigerator according to any one of claims 1 to 6, wherein the side plate cover is integrally provided with a locking piece that is locked to a lower side portion of the opening of the side plate.

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