JP3453511B2 - Double door storage - Google Patents

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a double door type storage such as a double door type refrigerator, a freezer, and a warm storage.

[0002]

2. Description of the Related Art A double door type storage cabinet is an example of such a refrigerator, and as shown in, for example, Japanese Patent Laid-Open No. 58-153072, a cabinet main body having a front opening and a front cabinet opening of the cabinet main body. A pair of left and right opening / closing doors whose base ends are rotatably assembled in the front and rear directions to open and close the front opening of the storage main body, and front and rear end sides of the opening and closing doors facing each other. It is equipped with a door packing with a magnet that extends in the vertical direction along the tip of the door, and when the two doors are closed, the facing surfaces of the two door packings should be in close contact with each other so that the gap between the two doors is close. It is configured to hermetically seal.

[0003]

By the way, in this type of double door storage, it is important that the facing surfaces of the front end portions of both door packings are firmly adhered to each other when the left and right doors are closed. It is desirable to be able to visually recognize this close contact state. Therefore, it is an object of the present invention to address these issues.

[0004]

The present invention relates to a double door storage cabinet, and more particularly to a cabinet main body having a front opening and front and rear outer side end portions of each side edge of the front opening of the cabinet main body. a pair of left and right door for opening and closing a front opening of the pivotally assembled to the refrigerator main body in the direction, these are fixed to each inner end portion opposite to each other physicians both opening and closing door the inner end portion vertical <br/> the door gasket with extending magnet to Bei Ete along, the two door packing the at closing of both closing door
Adjacent to each other at the inner tip portions of the opening and closing doors,
Wherein as between the ends of both the door is hermetically sealed
This is applicable to the double-door open storage.

Therefore, the double door type storage according to the present invention has the following structure.
Attach the door packing at the inner tip of each opening and closing door.
A packing main body made of an elastic material that is formed so as to be able to expand and contract in the direction opposite to each other, and a front end corner portion of the packing main body that is embedded in the packing main body and is located at the front side corner of the opposite side of the packing main body .
It is characterized in that it has more structure to the magnet provided to so that.

[0006]

In the double door storage according to the present invention, since the door packing can be expanded and contracted in the direction of the facing surface, the facing surface of the front end portions of the both door packings can be reliably secured when the left and right doors are closed. Both door packings can be tightly sealed to ensure a tight seal between the tips of both doors, and the front corners of the magnets are located at the front corners of the facing surface of the packing body. In the state of close contact, the close contact state can be visually recognized from the front side of the storage when both opening and closing doors are closed.

In the double door type storage cabinet according to the present invention,
By arranging the magnets to be located at all the front and rear portions on the opposing surface side of the packing body, the contact area of both door packings can be increased, and the tip portions of both opening and closing doors can be more reliably sealed. can do.

Further, in the double door storage according to the present invention, the door packing includes a packing main body made of an elastic material, a first magnet embedded in the packing main body and located on the opposite surface side, and a back surface of the packing main body. If it is configured with the second magnet located on the side, the two door packings can be brought into close contact with the upper and lower edges of the front opening of the cabinet body by the action of the second magnet, and the two door packings The sealed state with respect to the cabinet body can be made even better.

[0009]

BEST MODE FOR CARRYING OUT THE INVENTION The present invention will be described below with reference to the drawings. FIG. 1 shows an example of a double door type refrigerator which is an example of a double door type storage according to the present invention. As shown in FIGS. 1 to 3, the refrigerator includes a cabinet main body 10 having a front opening 11, and a base end portion which is rotatable in the front-rear direction at each side edge of the cabinet opening 10 of the cabinet main body 10. Attached to the main body 1
0 pair of left and right upper opening / closing doors 20a, 20b for opening and closing the front opening 11 and 0, lower left and right pair of opening / closing doors 20c, 2
0d, the front opening 11 of the storage body 10 is opened by opening / closing these four opening / closing doors 20a to 20d,
And is configured to be closed.

The upper opening / closing doors 20a, 20b are symmetrical to each other, the lower opening / closing doors 20c, 20d are symmetrical to each other, and the left opening / closing doors 20a, 20c are vertically symmetrical to each other. The right and left doors 20b and 20d have the same structure except that they are vertically symmetrical to each other. Therefore, hereinafter, the configuration of each of the opening and closing doors 20a to 20d will be described mainly based on the opening and closing door 20a,
The relationship between the open / close doors 20a to 20d will be described below as necessary.

As shown in FIGS. 2 and 3, the opening / closing door 20a is provided with a first door packing 22 on the peripheral edge of the back surface of the door body 21, and at the front end side of the back surface of the door body 21. The second door packing 23 is provided in the. Both the first and second door packings 22 and 23 are rubber packing main bodies having magnets built therein.

The first door packing 22 has a U-shape, and extends from the base end side to the upper end side and the lower end side on the back surface of the door body 21, and the front end on the back surface of the door body 21. It reaches the upper and lower ends of the section. The second door packing 23 has a linear shape extending in the vertical direction, is arranged in a state of being supported by a support member 24, which will be described later, and is provided on the front end portion side of the back surface of the door body 21 with the first door packing 23. Two
2 has reached the upper and lower ends.

As a result, when the opening / closing door 20a is closed,
The first door packing 22 is the front opening 11 of the cabinet body 10.
Abut the peripheral edge of the. Similarly, when the opening / closing door 20b is closed, the first door packing 22 abuts on the peripheral edge of the front opening 11 of the cabinet body 10, and the second door packing 23 causes the second door packing 23 of the opening / closing door 20a. And the two opening / closing doors 20a and 20b are sealed. The left and right doors 20c and 20d on the lower side are similarly closed,
The front opening 11 of the cabinet body 10 is closed in a sealed state.

As shown in FIGS. 4 and 5, the second door packing 23 is supported by the support member 24 and is attached to the opening / closing door 20a via the support member 24. The second door packing 23 (hereinafter, may be simply referred to as the door packing 23) is a long rubber packing main body having a tubular portion 23a, a flat plate-shaped leg portion 23b, and a connecting portion 23c for connecting them. It is composed of a plurality of prism-shaped first magnets 23d having a predetermined length and second magnets 23e, and is attached to the front end side of a support member 24 fixed to the back side of the front end portion of the door body 21.

The first magnet 23d is embedded in the tubular portion 23a at a predetermined interval in the vertical direction, is located in the front portion of the packing body tubular portion 23a on the opposite side, and has a front end angle thereof. The portion is located at the front corner of the facing surface of the tubular portion 23a. In addition, the second magnet 23e includes the tubular portion 2
It is embedded in 3a and is located at all parts on the back side thereof, and its tip corner portion is located at the tip corner portion of the facing surface of the tubular portion 23a. In the first magnet 23d, the polarities are reversed between the left and right doors 20a and 20b, and similarly, the polarities are reversed between the left and right doors 20c and 20d. Also in the second magnet 23e, the polarities are reversed between the left and right doors 20a and 20b and between the left and right doors 20c and 20d.

The tubular portion 23a of the door packing 23 is hollow except for the embedded portions of the magnets 23d and 23e. The leg portion 23b is thick and hard. The connecting portion 23c has a hollow shape, and the cylindrical portion 2
3a and the leg portion 23b are connected to each other. The door packing 23, when assembled to the support member 24, is capable of expanding and contracting in the facing surface direction.

The support member 24 is made of synthetic resin and is shown in FIG.
Further, as shown in FIG. 7, a support portion 24b is provided at the side end of the plate portion 24a having a predetermined width and a predetermined length, and the plate portion 24a
The leg 24c is provided on the back surface of the plate a, and the leg 24c of the plate 24a is provided.
A plurality of mounting holes 24d are provided in the portion corresponding to c, respectively.

The support portion 24b is formed over the entire length of the plate portion 24a in the vertical direction and has an insertion groove 24b1.
And a cover body 24b2. The leg portion 24c is located on the back surface of the plate portion 24a at a position separated from the support portion 24b by a predetermined amount, and is formed over substantially the entire length, leaving the upper and lower end portions of the plate portion 24a slightly.
The mounting hole 24d has an oval shape having a laterally long cross section in the width direction (left-right direction) of the plate portion 24a. on the other hand,
On the surface of the plate portion 24a, a plurality of filaments 24e are formed around the portion corresponding to the leg portion 24c.
The filaments 24e extend in the vertical direction over the entire length of the plate portion 24a while being juxtaposed while maintaining a predetermined interval in the lateral direction.

In the supporting member 24, the supporting portion 24
The leg portion 23b of the door packing 23 is inserted into the insertion groove 24b1 of b, and the door packing 23 is supported by the support portion 24b. In this support state, the door packing 23 has its connecting portion 23c penetrating the insertion groove 24b1, the cylindrical main body 23a is positioned close to the front side of the cover body 24b2, and the magnet 23d is embedded in the embedded portion. It is located outside (opposing surface side). The leg portion 23b of the door packing 23 is configured to be insertable into and removable from the insertion groove 24b1 of the support portion 24b.

The supporting member 24 is screwed into the fixing member 27 through a holder 25 embedded in the tip of the opening / closing door 20a and a pillar cover 26 to screw a screw 24f penetrating the mounting hole 24d to the fixing member 27. It is attached in a state where 24c abuts on the pillar cover 26. As a result, the door packing 23 is attached to the tip-side back portions of the opening / closing doors 20a and 20b via the support member 24, exposing the tubular portion 23a to the tip side. In this state, the cylindrical portion 23a is covered at its rear portion by the cover body 24b2 of the support member 24 and at its front portion by the tip portion 26a of the pillar cover 26.

The pillar cover 26 and the fixing member 2
7 is made of metal, and a plurality of heaters 28 are embedded in contact with the pillar cover 26.

The support member 24 is attached to the opening / closing doors 20a, 20b by screwing a screw 24f penetrating the attachment hole 24d into a predetermined portion of the fixing member 27.
Since the mounting hole 24d is oval in the left-right direction, the screw 24
The support member 24 can be moved in the left-right direction in a state where the f is loosened, and the mounting position of the support member 24 in the left-right direction can be adjusted. When adjusting the mounting position of the support member 24 in the left-right direction, the amount of deviation can be confirmed by the positional relationship between each line 24e and the head of the screw 24f.

As a result, the support member 24 is attached to the door body 21 as shown in FIGS. 8 and 9, and in this state, the upper end of the second door packing 23 is separated from the upper end of the support member 24 by a predetermined amount. The door packing 23 projects upward, and the lower end portion of the door packing 23 projects downward from the lower end portion of the support member 24 by a predetermined amount.

The first attached to the back of the door body 21
The support members 22a, 22a,
22b is fixed, and the support members 22a and 22b are fitted to the upper and lower ends of the second door packing 23 to support the door packing 23 from above and below. Each bearing member 2
2a and 22b are made of synthetic resin and are flexible. For example, if the top of the upper support member 22a is lifted and bent, the support member 22a can be separated from the upper end of the second door packing 23. Then, the door packing 23 can be pulled out from the support member 24.

In the double-door type refrigerator constructed as above, when all the opening / closing doors 20a to 20d are closed, the first door packing 22 provided on the back surface of each of the opening / closing doors 20a to 20d has the front surface of the cabinet body 10. The second door packings 23 that are in close contact with the peripheral edge of the opening 11 and that are provided on the upper opening / closing doors 20a and 20b, and the second door packings 23 that are provided on the lower opening / closing doors 20c and 20d. Adheres to each other on the opposite surface of the tip portion, and seals the front opening 11 of the storage body 10.

FIG. 5 shows a sealing state between the left and right doors 20a, 20b when the left and right doors 20a, 20b are closed. In this closed state, the doors 20a, 20b are closed.
Each of the second door packings 23 provided on a and 20b is covered by the tip end 26a of the pillar cover 26 and the cover body 24b2 of the support member 24 on the front side and the rear side thereof, and the heater 28 covers the pillar cover. Freezing and condensation are prevented by the heat transferred through 26. In addition, the second door packing 23 of both the opening and closing doors 20a and 20b
Are in close contact with each other at their opposing surfaces, and the upper and lower ends are fitted to the support members 22a and 22b to prevent the leakage of cool air from the front opening 11 of the cabinet body 10. The same applies to the closed state of the lower left and right opening / closing doors 20c and 20d.

FIG. 4 shows a case where the left opening / closing door 20a is closed and then the right opening / closing door 20b is about to be closed. The opening / closing door 20b is rotated backward (back side),
When the second door packing 23 provided on the opening / closing door 20b approaches the second door packing 23 provided on the opening / closing door 20a,
N pole of both first magnets 23d of both door packings 23-
Although the N poles oppose each other and repel each other, when the opening / closing door 20b is completely closed, the N poles and the S poles of both magnets 23d and 23e attract each other and adhere to each other at their opposing surfaces, and 10 is sealed as shown in FIG.

As described above, in the double-door type refrigerator, by closing all the opening / closing doors 20a to 20d, it is possible to surely close the cabinet body 10 in a hermetically closed state, and to freeze each door packing 23. Condensation can be prevented, and heat can be prevented from entering the inside of the refrigerator main body 10 from the outside and cold air from the inside of the refrigerator main body 10 can be prevented from leaking to the outside.

By the way, in the double-door type refrigerator, since the second door packing 23 can be expanded and contracted in the direction of the facing surface thereof, the left and right opening / closing doors 20a, 20b, 20c,
When 20d is closed, the facing surfaces of the front end portions of the left and right door packings 23 can be surely brought into close contact with each other to reliably seal the front end portions of both open / close doors, and the first magnet 2
Since the tip corner portion of 3d is located at the front corner of the facing surface of the cylindrical portion 23a of the packing body, both door packings 23 are in close contact with each other at the front corner, and when both opening and closing doors are closed, this close contact is achieved. Can be seen from the front side of the refrigerator, and it is possible to confirm the surely sealed state of both opening and closing doors.

Further, due to the positional relationship between the first magnet 23d and the second magnet 23e, all the parts in front of and behind the facing surface of the packing body are configured as a contact surface. Therefore, the contact area of both door packings 23 should be increased. As a result, the front end portions of both opening / closing doors can be more reliably sealed and the second magnet 23e is arranged on the back side of the packing main body, so that both door packings 23 are opened at the front of the storage main body 11. Since the upper and lower edges of the portion 11a can be brought into close contact with each other, the sealed state of the two opening / closing doors with respect to the cabinet body 11 can be further improved.

10 and 11 show two modifications 23A and 23B of the second door packing.

The door packing 23A shown in FIG.
The magnets 23f are arranged on all the opposite surfaces of the tubular portion 23a, and the second magnet 2 is provided on the rear side of the tubular portion 23a at the rear end portion of the first magnet 23f.
3g is arranged. Door packing 23 having such a configuration
In A, the same effect as that of the door packing 23 is obtained, but in particular, since the close contact area on the opposing surface is formed by the first magnet 23f, the front end portions of both opening and closing doors are more reliably sealed. be able to. Further, this makes it possible to sufficiently prevent dew condensation on the facing surface of the door packing 23A under severe conditions.

The door packing 23B shown in FIG.
The magnet 23h is arranged on the front side portion of the facing surface of the tubular portion 23a, and on the back side of the tubular portion 23a,
The arrangement of the second magnet is omitted. The door packing 23B having such a structure has the same effects as the door packing 23, but in particular, since the first magnet 23h is located only on the front side portion of the facing surface, the door packing 23B under severe conditions is present. Condensation on the opposing surface of can be prevented.

Although the above-mentioned configuration relates to a double door type freezer, the present invention is not limited to such a refrigerator, and is similarly applied to various double door type storage stores such as a freezer and a warm storage. Is something that can be done.

[Brief description of drawings]

FIG. 1 is a front view showing an example of a double door refrigerator according to the present invention.

FIG. 2 is a vertical cross-sectional view of the same refrigerator taken along the line 2-2 in FIG.

FIG. 3 is a rear view of an opening / closing door which constitutes the refrigerator.

FIG. 4 is a partial transverse cross-sectional view showing a state immediately before closing both upper left and right opening / closing doors of the refrigerator.

FIG. 5 is a partial cross-sectional view showing a closed state of the both opening / closing doors.

FIG. 6 is a rear view (a) of a supporting member that constitutes the refrigerator.
It is a side view (b).

FIG. 7 is a plan view (a) of the support member and a partially enlarged view (b) thereof.

FIG. 8 is a partially omitted side view of the left side opening / closing door that constitutes the refrigerator.

FIG. 9 is a partially omitted rear view of the opening / closing door.

FIG. 10 is a partial lateral cross-sectional view showing a closed state of both left and right opening / closing doors in which the door packing according to the first modified example is adopted in the refrigerator.

FIG. 11 is a partial lateral cross-sectional view showing a closed state of both left and right opening / closing doors that adopts a door packing according to a second modified example of the refrigerator.

[Explanation of symbols]

10 ... Cabinet body, 11 ... Front opening, 20a, 20b, 2
0c, 20d ... Opening / closing door, 21 ... Door body, 22 ... First door packing, 22a, 22b ... Bearing member, 23, 23
A, 23B ... 2nd door packing, 23a ... Cylindrical part, 23
b ... Legs, 23c ... Couplings, 23d, 23f, 23h ...
First magnet, 23e, 23g ... Second magnet, 2
4 ... Support member, 24a ... Plate part, 24b ... Support part,
24b1 ... insertion part, 24b2 ... cover body, 24c ... leg part,
24d ... Mounting hole, 24e ... Line, 24f ... Screw, 25 ...
Holder, 26 ... Pillar cover, 26a ... Tip part, 27
... fixing member, 28 ... heater.

─────────────────────────────────────────────────── ─── Continuation of front page (72) Masaki Kasugai Masaki Kasugai 16-16 Hoshizaki Electric Co., Ltd., South Building, Sakaemachi, Toyoake-shi, Aichi (56) References JP-A-58-153072 (JP, A) -42547 (JP, U) Actual development Sho 50-36948 (JP, U) (58) Fields investigated (Int.Cl. ⁷ , DB name) F25D 23/02 305

Claims (3)

(57) [Claims] 1. A cabinet main body having a front opening, and a front side of the cabinet main body which is attached to each side edge of the front opening of the cabinet main body so as to be rotatable in the front-rear direction at its outer base end. a pair of left and right door for opening and closing the opening, the these two door door packing with magnet extending in the vertical direction along the inner end portion is fixed to the inner end portion opposite to the doctor each other of Bei example
Te, said both the door packing is said at the time of closure of both the opening and closing door
Closely facing each other at inner end portions of the door, in <br/> double doors type reservoirs described above to between the ends of both the door is hermetically sealed, the door gasket, said both At the inner tip of each door
A packing main body made of an elastic material that is formed so as to be able to expand and contract in the direction opposite to each other, and a front end corner portion of the packing main body that is embedded in the packing main body and is located at the front side corner of the opposite side of the packing main body .
Double doors type reservoir, characterized in that more structure to the magnet provided to so that. 2. A claims the prior SL magnet is characterized in that is positioned in all sites of the front and rear facing side of the packing body
The double door storage cabinet according to item 1 . 3. The double door storage according to claim 1, wherein a second magnet located on the back side of the magnet is embedded in the packing body.