JP2020133922A - refrigerator - Google Patents

Abstract

To provide a refrigerator suppressing adhesion of dirt, dust and/or the like and suppressing breakage or loss of components.SOLUTION: A refrigerator includes: a storage chamber 2 provided with an opening part; and a pair of heat insulation doors 4 mounted on the opening part. The pair of heat insulation doors 4 are hinged double doors, and each of the heat insulation doors 4 is provided with an attachment guide member 24, sealing members 26 sealing the storage chamber 2 by tightly adhering to each other when each of the heat insulation doors 4 is closed, and a cap 38 preventing removal of the sealing member 26, on their side surfaces facing each other. The sealing members 26 are each formed by integrally molding a side surface packing 28 and a cover member 30 covering the attachment guide member 24.SELECTED DRAWING: Figure 3

Description

The present invention relates to a refrigerator.

Conventionally, a refrigerator having a storage and a pair of heat insulating doors that are double doors is known. On the side surface of each heat insulating door of such a refrigerator, a packing that comes into close contact with each other when these heat insulating doors are closed and a cover member that covers the mounting member are provided via a mounting member.
Further, these packings and the cover member are connected by sliding the packing into a groove provided in the cover member and inserting the packing. Therefore, when performing maintenance or the like, these packings and the cover member can be easily slid in the vertical direction of each other (see, for example, Patent Document 1).

Japanese Unexamined Patent Publication No. 2015-25632

However, when the packing and the cover member are connected by being slid and inserted, a gap is generated between the packing and the cover member, and dust, dust, etc. are accumulated in the gap. There is.
An object of the present invention is to provide a refrigerator capable of suppressing adhesion of dust and dirt.

The present invention includes a storage room provided with an opening and a pair of heat insulating doors provided in the opening. The pair of heat insulating doors are double doors, and the heat insulating doors face each other. On the side surface, a mounting guide member, a sealing member that seals the storage by contacting each other when the heat insulating doors are closed, and a cap that prevents the sealing member from being removed are provided. The sealing member is provided by providing a refrigerator characterized in that the packing and the cover member covering the mounting guide member are integrally molded.

The present invention is characterized in that, in the refrigerator, the sealing member is slidly attached to the mounting guide member.

The present invention is characterized in that, in the refrigerator, the packing is made of a soft material and the cover member is made of a hard material.

According to the present invention, adhesion of dust, dust and the like can be suppressed.

The front view of the refrigerator which concerns on embodiment of this invention. Perspective view of the insulated door. An exploded perspective view showing a heat insulating door, a mounting guide member, and a sealing member. FIG. 1 is a sectional view taken along line IV-IV of FIG. The perspective view which shows one end side of the sealing member. (A) is an exploded perspective view of the cap and the upper surface of the heat insulating door, and (B) is a perspective view of the upper surface of the heat insulating door.

The first invention includes a storage room provided with an opening and a pair of heat insulating doors provided in the opening. The pair of heat insulating doors are double doors, and the side surfaces of the heat insulating doors facing each other. Are provided with a mounting guide member, a sealing member that seals the storage by being in close contact with each other when each heat insulating door is closed, and a cap that prevents the sealing member from being removed. The member is a refrigerator characterized in that the packing and the cover member covering the mounting guide member are integrally molded to form the member.
According to this, the sealing member is formed without providing a gap between the packing and the cover member.
Therefore, it is possible to prevent dust and dirt from accumulating between the side packing and the cover member.

The second invention is a refrigerator, wherein the sealing member is slidably attached to the attachment guide member.
According to this, the sealing member is fixed to the mounting guide member without using a fixing member, a tool or the like.
Therefore, the number of parts of the refrigerator can be reduced, and the manufacturing and maintenance work can be easily performed.

A third invention is a refrigerator, wherein the packing is made of a soft material and the cover member is made of a hard material.
According to this, the sealing member formed by integrally molding the packing and the cover member has a soft portion and a hard portion.
Therefore, it is possible to seal between the side surfaces of the heat insulating door while giving the sealing member a predetermined strength.

Hereinafter, embodiments of the present invention will be described with reference to the drawings.
FIG. 1 is a front view of the refrigerator 1 according to the embodiment of the present invention.
As shown in FIG. 1, the refrigerator 1 is an under-counter type commercial refrigerator, and the refrigerator 1 includes a storage 2, a plurality of heat insulating doors 4, a machine room 5, and a top table 6. There is.
The storage 2 is a box-shaped member provided with a heat insulating wall, and the storage 2 is provided with a storage chamber inside and has an open front surface.

The plurality of heat insulating doors 4 are rectangular door members that close the openings of the storage 2. The refrigerator 1 of the present embodiment includes a pair of heat insulating doors 4, and these heat insulating doors 4 are arranged so that one side surface of the refrigerator 1 is adjacent to each other. Further, on the upper surface and the lower surface of each heat insulating door 4, hinges 8 are provided at locations located on the other side surface side of each heat insulating door 4. By these hinges 8, the pair of heat insulating doors 4 can be opened and closed in the left-right direction of the refrigerator 1. That is, the pair of heat insulating doors 4 are double doors.
Further, on the front surface of each heat insulating door 4, a handle 10 is provided on a side surface side adjacent to each other.

The machine room 5 is arranged on the side of the storage 2. Inside the machine room 5, devices such as a compressor, a condenser, an expander, and an evaporator that constitute a refrigerating cycle are housed, and when these devices are driven, cold air is sent into the storage room. ..
A top table 6 is attached to the upper surfaces of the storage 2 and the machine room 5.

Next, the heat insulating door 4 will be described in detail.
FIG. 2 is a perspective view of the heat insulating door 4. Note that FIG. 2 is a view seen from the back side of the heat insulating door 4.
FIG. 3 is an exploded perspective view showing the heat insulating door 4, the mounting guide member 24, and the sealing member 26, and FIG. 4 is a sectional view taken along line IV-IV of FIG. In FIG. 3, dots are attached to the side packing 28 and the fin member 32 made of a soft material for convenience of explanation.
As shown in FIG. 2, the heat insulating door 4 is a flat plate-shaped member having a predetermined thickness, and the front surface, both side surfaces, the upper surface, the lower surface, and the outer edge of the back surface of the heat insulating door 4 are Each is composed of a door exterior plate 12 integrally formed of a metal such as a stainless steel plate. Further, the central portion of the back surface of the heat insulating door 4 is composed of a door interior plate 14 made of a hard resin. The door interior plate 14 projects toward the inside of the storage chamber from the outer edge of the back surface of the heat insulating door 4.
The space surrounded by the door exterior plate 12 and the door interior plate 14 is filled with a heat insulating material 16 such as Styrofoam or rigid urethane foam.
The door exterior plate 12 is not limited to metal and may be made of a hard resin such as ABS resin.

An outer edge packing mounting groove 18 is provided on the outer edge (outer peripheral portion) on the back surface side of the heat insulating door 4 over the entire circumference. A plurality of outer edge packings 20 are attached to the outer edge packing attachment groove 18.
The plurality of outer edge packings 20 are formed of a soft resin such as rubber, and each is linearly formed so as to correspond to each side of the outer edge of the heat insulating door 4. The front surface of each outer edge packing 20 is smoothly formed over the entire longitudinal direction of the outer edge packing 20, and the back surface of each outer edge packing 20 has a convex portion over the entire longitudinal direction of the outer edge packing 20. 20A is provided so as to project.
The outer edge packing 20 is attached to the door exterior plate 12 by inserting the convex portion 20A into the outer edge packing attachment groove 18.

Further, each outer edge packing 20 is formed in a hollow shape having a space inside. On the front surface side of the outer edge packing 20 in this space, an outer edge magnet accommodating portion 20B having a rectangular cross section is provided over the entire longitudinal direction. Further, the outer edge magnet accommodating portion 20B accommodates four rod-shaped outer edge magnets 22. Each outer edge magnet 22 has the same length as each side of the back surface of the heat insulating door 4, and these are inserted into each outer edge magnet accommodating portion 20B along each side.
The outer edge packing 20 is not limited to a linear shape, and may be a rectangular frame integrally molded.

Next, the configuration of the side surface of the heat insulating door 4 will be described.
Hereinafter, the side surface of one heat insulating door 4 will be described, but the other heat insulating door 4 has the same configuration.
As shown in FIG. 3, a sealing member 26 is provided on the side surface of each heat insulating door 4 adjacent to the other heat insulating door 4 via a mounting guide member 24.

The mounting guide member 24 is formed of a hard resin as a hard material. As shown in FIG. 4, the mounting guide member 24 is a rail-shaped member having a length similar to that of the side surface of the heat insulating door 4 and formed so as to have a U-shaped cross section. The member 24 is attached so that the vertical direction is along the vertical direction of the heat insulating door 4. Further, the width dimension of the mounting guide member 24 is formed to be about the same as the width dimension of the side surface of the heat insulating door 4, and the mounting guide member 24 is screwed at several places on the bottom surface 24A. It is fixed to the side surface of the heat insulating door 4. Therefore, a plurality of screw holes 12A and 24B are provided on the side surface of the heat insulating door 4 and the bottom surface 24A of the mounting guide member 24, respectively.

On the storage 2 side of the mounting guide member 24, a tubular packing guide groove 24C is provided over the entire vertical direction of the mounting guide member 24. The packing guide groove 24C is provided so as to project from the bottom surface 24A toward the side surface of the other heat insulating door 4, and a part of the packing guide groove 24C located on the storage 2 side is opened. There is. An insertion portion 28F1 provided in the side packing 28, which will be described later, is inserted into the packing guide groove 24C.

Further, a heater holding portion 24D for holding the heater 36, which will be described later, is provided on the front surface side of the heat insulating door 4 of the packing guide groove 24C. The heater holding portion 24D is formed in a groove shape, and the side surface side of the other heat insulating door 4 is open.
Further, a holding portion engaging piece 24E is provided on the front surface side of the heat insulating door 4 of the heater holding portion 24D. The holding portion engaging piece 24E is formed in a claw shape protruding toward the front surface side of the heat insulating door 4. The cover member engaging piece 30B included in the cover member 30 described later is engaged with the holding portion engaging piece 24E.

A locking portion 24F is provided on the front surface side of the heat insulating door 4 of the mounting guide member 24. Like the packing guide groove 24C, the locking portion 24F is provided so as to project from the bottom surface 24A toward the side surface of the other heat insulating door 4, and the tip of the locking portion 24F is curved like a claw. There is. The locking portion 24F is inserted into a locking groove 30C provided in the cover member 30 described later.

Next, the sealing member 26 will be described.
FIG. 5 is a perspective view showing one end side of the sealing member 26. In FIG. 5, dots are attached to the side packing 28 and the fin member 32 made of a soft material for convenience of explanation.
As shown in FIGS. 3 and 5, the sealing member 26 includes a side packing 28, a cover member 30, and a fin member 32, and is formed by integrally molding these. The sealing member 26 has a length similar to that of the mounting guide member 24, and is a rail-shaped member formed so as to have a U-shaped cross section. The sealing member 26 is heat-insulated in the vertical direction. It is attached so as to follow the vertical direction of the door 4.

The side packing 28 constitutes a portion of the sealing member 26 located on the storage 2 side, and the side packing 28 is made of a soft resin such as rubber, which is a soft material. The side packing 28 has an L-shaped cross section, and a side magnet accommodating portion 28A is provided at a portion corresponding to the corner of the L-shape so that the cross section becomes a rectangular space. There is.
A rod-shaped side magnet 34 is inserted through the side magnet accommodating portion 28A.

Further, both ends of the side magnet accommodating portion 28A in which the side magnet 34 is accommodated are closed by the retaining member 35. The retaining member 35 is a plate-shaped member formed by being bent so as to have an L-shaped cross section. The retaining member 35 is attached to the side packing 28 by inserting the insertion portion 35A, which is one end, into each end of the side magnet accommodating portion 28A in the vertical direction, and prevents the side magnet 34 from falling off. ..

A first seal portion 28B is provided on the storage 2 side of the side magnet accommodating portion 28A. The first seal portion 28B extends toward the outer edge packing 20 side, and a second seal portion 28C is provided at the tip of the first seal portion 28B. The second seal portion 28C projects toward the storage 2 side and then bends and extends toward the other heat insulating door 4. That is, the first seal portion 28B and the second seal portion 28C are formed so that the cross section is U-shaped as shown in FIG.
Further, the tip portion 28C1 of the second seal portion 28C extends to a position comparable to the surface of the side magnet accommodating portion 28A located on the other heat insulating door 4 side.
The length of the second seal portion 28C in the vertical direction is shorter than the length of the side packing 28 in the vertical direction, and is about the same as the length of the door interior plate 14 in the vertical direction.

Further, a fin portion 28D is provided on the outer edge packing 20 side of the first seal portion 28B. The fin portion 28D extends toward the outer edge packing 20 and its tip is in contact with the outer edge packing 20.

A connecting portion 28E is provided on the front surface side of the heat insulating door 4 of the side magnet accommodating portion 28A. The connecting portion 28E is formed in a fin shape extending toward the front surface side of the heat insulating door 4, and the tip of the connecting portion 28E is connected to the bottom surface 30A of the cover member 30.

An extension portion 28F is provided on the side surface side of the heat insulating door 4 of the side magnet accommodating portion 28A. The extension portion 28F extends from the side surface side of the heat insulating door 4 of the side magnet accommodating portion 28A toward the side surface of the heat insulating door 4, and then extends toward the front surface of the heat insulating door 4. That is, the extension portion 28F is formed in an L-shaped cross section. Further, at the tip of the extension portion 28F, an insertion portion 28F1 having a T-shaped cross section is provided. As described above, the insertion portion 28F1 is inserted into the packing guide groove 24C.

Next, the cover member 30 will be described.
The cover member 30 is formed of a hard resin as a hard material. The cover member 30 has a U-shaped cross section, and as described above, the connecting portion 28E of the side packing 28 is connected to the end portion of the bottom surface 30A of the cover member 30 located on the storage 2 side. ing.
Further, a cover member engaging piece 30B is provided at an end of the cover member 30 located on the storage 2 side of the bottom surface 30A. The cover member engaging piece 30B projects toward the side surface of the heat insulating door 4, and the tip of the cover member engaging piece 30B is formed in a claw shape. As described above, the cover member engaging piece 30B is engaged with the holding portion engaging piece 24E.
Further, the cover member engaging piece 30B is provided with a rib 30B1. The rib 30B1 projects toward the storage 2 side, and the rib 30B1 closes the open portion of the heater holding portion 24D in which the heater 36 is held.

On the bottom surface 30A of the cover member 30, a locking groove 30C is provided at an end located on the front surface side of the heat insulating door 4. The locking groove 30C projects toward the side surface of the heat insulating door 4, and the portion of the locking groove 30C located on the side surface side of the heat insulating door 4 is open. As described above, the locking portion 24F is inserted into the locking groove 30C.

A fin member 32 is integrally provided at the tip of the locking groove 30C located on the front surface side of the heat insulating door 4. Like the side packing 28, the fin member 32 is made of a soft resin such as rubber, which is a soft material. Further, the fin member 32 extends toward the side surface of the heat insulating door 4, and the tip of the fin member 32 is in contact with the side surface of the heat insulating door 4.

Further, a linear heater 36 is sandwiched between the mounting guide member 24 and the sealing member 26. The heater 36 heats the sealing member 26 to prevent dew condensation and freezing, and the heater 36 is arranged in a loop shape over the entire side surface of the heat insulating door 4 in the vertical direction. There is. Further, as described above, the heater 36 is sandwiched between the heater holding portions 24D, and the open portion of the heater holding portion 24D is closed by the rib 30B1, so that the mounting guide member 24 and the sealing member 26 are combined. It is fixed in between.

Next, the cap 38 will be described. Hereinafter, one cap 38 will be described, but the other cap 38 has the same configuration.
FIG. 6A is an exploded perspective view of the cap 38 and the upper surface of the heat insulating door 4, and FIG. 6B is a perspective view of the upper surface of the heat insulating door.
Both ends of the mounting guide member 24 and the sealing member 26 in the vertical direction are closed by caps 38. As shown in FIGS. 3 and 6, the cap 38 is a flat plate member formed in an L shape in a top view, and one end of the cap 38 is in the lateral direction of the side surface of the heat insulating door 4. It extends along. Further, the other end of the cap 38 wraps around the outer edge side of the back surface of the heat insulating door 4 and extends along the outer edge and the upper surface of the outer edge packing 20.

On the back surface of the cap 38, a pair of insertion portions 38A protruding downward are provided. The insertion portion 38A is inserted into the space surrounded by the mounting guide member 24 and the sealing member 26. More specifically, one insertion portion 38A is inserted along the inside of the bottom surface 24A of the mounting guide member 24, and the other insertion portion 38A is inserted along the inside of the bottom surface 30A of the cover member 30. As a result, dust and dirt are prevented from entering between the mounting guide member 24 and the sealing member 26, and the heater 36 is covered and protected.

A screw hole 38C is provided at the tip of the cap 38 located on the other end side. Further, a screw hole 12B is provided on the outer edge of the back surface of the heat insulating door 4. The cap 38 is fixed to the heat insulating door 4 by screwing the screw hole 38C and the screw hole 12B with the screw 40.

Some conventional refrigerators are configured so that the user can easily remove the side packing and the cover member. In such a refrigerator, if these side packings and cover members are removed during maintenance, cleaning, etc., the side packings and cover members may be damaged or mixed with products in the refrigerator. there were.

In the present embodiment, by fixing the cap 38 with a fixing member such as a screw 40, it is possible to prevent the cap 38 from falling off during normal use of the refrigerator 1 or during maintenance work. .. Therefore, it is possible to prevent the cap 38 from being lost or being mixed into the product in the storage room.
Further, it is possible to prevent the sealing member 26 from sliding in the vertical direction, and to prevent the sealing member 26 from falling off from the mounting guide member 24.
Further, by screwing the cap 38 on the outer edge side of the back surface of the heat insulating door 4, when each heat insulating door 4 is closed, the screw 40 is arranged in a place where it cannot be seen from the front of the refrigerator 1, and the refrigerator 1 It is possible to improve the design.

Further, the upper surface 38B of the cap 38 attached to the heat insulating door 4 has substantially the same height as the upper surface of the heat insulating door 4.
As a result, the cap 38 does not protrude from the upper surface of the heat insulating door 4, and the entire upper surface of the heat insulating door 4 becomes flat. Therefore, it is possible to improve the design of the refrigerator 1.

Next, the operation of this embodiment will be described.
First, a procedure for attaching the sealing member 26 to the attachment guide member 24 will be described.
First, the heater 36 is sandwiched between the heater holding grooves 24E. Next, the sealing member 26 is fixed to the mounting guide member 24 by inserting one end of the sealing member 26 into one end of the mounting guide member 24 while sliding it in the vertical direction.
As a result, the sealing member 26 is fixed to the mounting guide member 24 without using a fixing member, a tool, or the like. Therefore, the number of parts of the refrigerator 1 can be reduced, and the manufacturing and maintenance work of the refrigerator can be easily performed.

When the pair of heat insulating doors 4 of the refrigerator 1 are closed, the outer edge magnet 22 is magnetically attracted to the storage 2, and the side surface of the outer edge packing 20 on the hinge 8 side and the upper and lower surfaces of the heat insulating door 4 The portion along the above is in close contact with the storage 2.
Further, the side magnets 34 included in each of the sealing members 26 of each heat insulating door 4 are attracted to each other by magnetic force. As a result, each extending portion 28F and connecting portion 28E extend toward the side surface of the other heat insulating door 4. Then, the side surfaces 28A1 of the housing portions located on the other heat insulating door 4 side of the side magnet housing portions 28A are in close contact with each other, so that the side surfaces of the heat insulating doors 4 are sealed.

Further, when the side surfaces 28A1 of the accommodating portion are in close contact with each other, the tip portions 28C1 of each of the second seal portions 28C come into contact with each other. As a result, the space S1 surrounded by each of the first seal portions 28B and each of the second seal portions 28C is formed. The air in the space S1 acts as an adiabatic air layer, suppressing heat from entering the inside of the storage chamber through the gaps between the side packings 28, and suppressing leakage of cold air inside the storage chamber.

Further, on the side surface of each heat insulating door 4, a space S2 surrounded by a mounting guide member 24, an extension portion 28F, a first seal portion 28B, a fin portion 28D, and an outer edge packing 20 is formed. The air in this space S2 also acts as an adiabatic air layer.
In addition, as described above, the fin member 32 is in contact with the side surface of the heat insulating door 4. These adiabatic air layers and the fin member 32 prevent heat from entering the inside of the storage chamber from between the side surface of the adiabatic door 4 and the mounting guide member 24, and cold air is released from the inside of the storage chamber. Leakage is suppressed.

As described above, since the sealing member 26 is formed by integrally molding the side packing 28 formed of the soft resin and the cover member 30 formed of the hard resin, the sealing member 26 is designated as the sealing member 26. It is possible to seal between the side surfaces of the heat insulating door 4 while maintaining the strength of. Further, it is possible to prevent dust and the like from accumulating between the side packing 28 and the cover member 30.
Further, it is not necessary for the user to separately remove the side packing 28 and the cover member 30 when performing maintenance, cleaning, or the like, and it is possible to prevent the side packing 28 and the cover member 30 from being damaged or dropped off.
In addition, it is not necessary to provide a structure or mechanism for connecting the side packing 28 and the cover member 30, the sealing member 26 can be miniaturized, and the heat insulating door 4 can be made thinner or lighter. it can.

According to the above-described embodiment, the following effects are obtained.

As for the refrigerator 1 of the present embodiment, the refrigerator 1 of the present embodiment includes a storage 2 provided with an opening and a pair of heat insulating doors 4 provided at the opening. These heat insulating doors 4 are double doors, and mounting guide members 24, sealing members 26, and a pair of caps 38 are provided on the side surfaces of the heat insulating doors 4 facing each other. There is. The sealing member 26 is formed by integrally molding the side packing 28 and the cover member 30 that covers the mounting guide member 24.
As a result, it is possible to prevent dust and the like from accumulating between the side packing 28 and the cover member 30.
Further, when performing maintenance, cleaning, or the like, the user does not need to remove the side packing 28 and the cover member 30 individually, and it is possible to prevent the side packing 28 and the cover member 30 from being damaged or fall off.
Further, it is not necessary to provide a structure or mechanism for connecting the side packing 28 and the cover member 30, the sealing member 26 can be miniaturized, and the heat insulating door 4 can be made thinner or lighter. ..

Further, according to the present embodiment, the sealing member 26 is attached by sliding it on the attachment guide member 24. As a result, the user can fix the sealing member 26 to the mounting guide member 24 without using a fixing member, a tool, or the like.

Further, according to the present embodiment, the side packing 28 is made of a soft material, and the cover member 30 is made of a hard material. As a result, it is possible to seal between the side surfaces of the heat insulating door 4 while giving the sealing member 26 a predetermined strength.

The above-described embodiment illustrates one aspect of the present invention, and can be arbitrarily modified and applied without departing from the spirit of the present invention.

For example, in the present embodiment, the refrigerator 1 is a 2-door type under-counter type refrigerator, but the present invention is not limited to this, and the refrigerator 1 may be applied to a refrigerator having a different number of doors such as a 4-door type vertical refrigerator.

1 Refrigerator 2 Storage 4 Insulated door 12 Door exterior plate 12A, 12B, 24B Screw hole 14 Door interior plate 20 Outer edge packing 20A Convex part 24 Mounting guide member 24A Bottom surface 24C Packing guide groove 24D Heater holding part 24E Heater holding groove 24F Locking part 26 Sealing member 28 Side packing (packing)
28A Side magnet accommodating part 28A1 Accommodating part Side surface 28B 1st seal part 28C 2nd seal part 28C1 Tip part 28D Fin part 28E Connecting part 28F Extension part 30 Cover member 30A Bottom surface 30B1 Rib 30C Locking groove 32 Fin member 34 Side magnet 35 Stopping member 35A, 38A Insertion part 36 Heater 38 Cap 38B Top surface 38C Screw fixing hole 40 Screw S1, S2 Space

Claims (3)

It is provided with a storage room provided with an opening and a pair of heat insulating doors provided in the opening.
The pair of heat insulating doors are double doors.
On the side surfaces of the heat insulating doors facing each other, mounting guide members and
A sealing member that seals the storage by being in close contact with each other when the heat insulating doors are closed.
A cap is provided to prevent the sealing member from being removed.
A refrigerator characterized in that the sealing member is formed by integrally molding a packing and a cover member that covers the mounting guide member. The refrigerator according to claim 1, wherein the sealing member is slidably attached to the attachment guide member. The refrigerator according to claim 1 or 2, wherein the packing is made of a soft material, and the cover member is made of a hard material.

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