JP2005226963A - Biparting type refrigerator - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To provide a convenient door device enhancing food storing performance inside a door and making door opening force laterally equal and small. <P>SOLUTION: In this refrigerator, the side face on the non-supported side of biparting type doors 46, 47 provided at an opening of a storage chamber formed at the upper part of a heat insulating box body are provided with partition bodies 68, 69 mounted to frame plates 51, 52, and cylindrical or columnar flexible gaskets 64, 65 are turnably mounted to the outer peripheries of the partition bodies 68, 69. When one or both of the doors 46, 47 are closed, they are always rotated and brought into close contact at the outer peripheral surfaces, and when one or both of the doors 46, 47 are opened, they are always rotated and spaced. Resistance in closing and opening the doors 46, 47 is thereby small, and the doors 46, 47 can be operated to open/close smoothly with small operating force. <P>COPYRIGHT: (C)2005,JPO&NCIPI

Description

  The present invention relates to a double door refrigerator that seals and opens an opening of a box.

Conventionally, as this type of door device, a refrigerator having a double door is formed with a gasket that is located on the non-pivot side of the door in order to keep the interior airtight by a gasket provided on the back of both doors. Therefore, the closing material which divides the opening part of a heat insulation box is attached. (For example, see Patent Document 1)
5 to 8 show a door device of a conventional double door refrigerator described in Patent Document 1. FIG. FIG. 5 is a perspective view of a conventional refrigerator. FIG. 6 is a perspective view of a conventional refrigerator. FIG. 7 is a plan sectional view of an opening of a conventional refrigerator. FIG. 8 is a perspective view of a conventional refrigerator door.

  5 to 8, reference numeral 1 denotes a refrigerator, which is located in front of a steel plate outer box 2 and an inner box 3 formed of a synthetic resin, and a foam heat insulating material (not shown) filled between the two boxes 2 and 3. The heat insulating box 4 is formed by two open doors 7 and 8 pivotally supported by upper and lower hinges 6 on the left and right edges of the opening 5 of the heat insulating box 4. 5 is configured to be openable and closable.

  Guide members 9 are provided opposite to each other above and below the edge of the opening 5 of the heat insulating box 4 of the doors 7 and 8 located on the non-pivot side. A guide groove 10 is formed in the guide member 9. Doors 7 and 8 are door inner plates formed by abutting outer frames 15 and 16 comprising frame members 11 and 12 and door outer plates 13 and 14 engaged therewith, and inner flanges 17 and 18 of the frame members 11 and 12, respectively. 21 and 22, outer frames 15 and 16, and door inner plates 21 and 22, respectively, and a heat insulating material 23 filled with foam.

  A pair of left and right vertical walls 24, 25 are formed on the door inner plates 21, 22, respectively, and a magnet built-in gasket 28 is attached to the grooves 26, 27 at the ends of the frame members 11, 12. Close contact with the vertical walls 24 and 25 on the non-pivot side. The gasket 28 is magnetized on the front edge of the outer box 2 of the opening 5 of the heat insulating box 4 when the doors 7 and 8 are closed, and seals the interior 30.

  Further, a partition body 31 having a substantially short cross section is attached to the outside of the vertical wall 24 inside the gasket 28 located on the non-pivot side of the back surface of the door 7. Reference numeral 32 denotes a hinge plate, which is fixed to the reinforcing plate 33 on the heat insulating material 23 side by two screws on the outer surface of the vertical wall 24 with screws 34, and the partition body 31 is rotated about the rotation shaft 35 of the hinge plate 32. It is supported freely. The partition 31 has a length extending up and down over the edge of the opening 5 and extends vertically with a dimension that is slightly shorter than the distance between the guide grooves 10 and 10 of the upper and lower guide members 9 and 9. As shown in FIG. 10, a steel plate 36 is attached.

  Further, protrusions 37 are formed on the upper and lower ends as protrusions in the vertical direction. The hinge plate 32 is inserted into the partition 31 through two notches 38 formed on the rear edge portion of the partition 31 on the door 7 side, and the rotation shaft 35 is positioned there. A spring member 39 made of a coil spring is inserted into the hinge member 32, and one end is engaged with the hinge plate 32 and the other end is engaged with the claw 40 in the partition 31 spaced apart from the rotating shaft 35. Thus, the partition 31 is always rotated clockwise as indicated by an arrow in FIG.

  About the conventional door apparatus comprised as mentioned above, the operation | movement is demonstrated below.

  First, the partition 31 is held in a state where the door 7 is in contact with the screw 34 along the outer surface of the vertical wall 24 of the door inner plate 21 by the restoring force of the spring member 39 with the restoring force of the spring member 39 as shown in FIG. Has been. Even if the user's hand accidentally hits the partition 31 and is rotated counterclockwise in FIG. 9 in this initial state, the spring member 39 can return to the initial state. Since this operation is performed irrespective of the rotation angle of the partition 31, the door 7 is closed while the partition 31 is rotated, and the protrusion 37 of the partition collides with the protrusion of the guide member 9 and is damaged. Can be prevented.

Conversely, when the door 7 is opened, the projection 37 slides along the curved surface in the guide groove 10 and is rotated clockwise by the restoring force of the spring member 39, and eventually returns to the initial state.
JP-A-1-208690

  However, in the above-described conventional configuration, the vertical walls 24 and 25 must be moved to the pivot side of the door. For this reason, the food storage space in the doors 7 and 8 is reduced, and there is a disadvantage that the refrigerator becomes inconvenient for the user in food storage. Furthermore, when the door 8 on the side where the partition 31 is not attached is opened, the partition 31 has a drawback that the food take-out area is reduced and the take-out property of the food is hindered.

  Furthermore, even if the user thinks that the door has been closed, if the closing is incomplete due to the frictional force and the repulsive force of the spring member 39, the internal temperature rises and the food freshness is lowered. .

  SUMMARY OF THE INVENTION The present invention solves the conventional problems, and effectively provides a food storage space inside the door, improves food take-out performance, reduces door opening force and equalizes left and right, and provides a user-friendly door device. For the purpose.

  In order to solve the above-described conventional problems, the double door refrigerator of the present invention is provided on the back of the two doors, two doors arranged on the left and right with one side of the outer peripheral portion facing each other at the opening of the box. A gasket that is in close contact with the front edge of the opening of the box when the door is closed, and a pair of partitions that are arranged on opposite sides of the two doors and are in close contact with each other when the door is closed, and in close contact with the gasket. The pair of partitions are provided with a cylindrical or columnar gasket and are rotatable.

  As a result, when both the doors are closed, the cylindrical or columnar gaskets of the pair of partitions are rotated to contact each other, and the outer peripheral surfaces are brought into close contact with each other when the door closing operation is completed. Thereby, the clearance gap between both opening-and-closing doors is sealed.

  In addition, when either one of the open / close doors is closed, the cylindrical or columnar gasket always rotates and closely contacts. Also, when opening either one or both of the doors, the cylindrical or columnar gasket always rotates, so there is little resistance when opening and closing the doors, and the doors have a small operating force. Can be opened and closed smoothly.

  The double-opening refrigerator according to the present invention includes a space required for the partition itself to rotate when the door on the side where the conventional partition holds the partition, and the partition when the door on the side without the partition is opened. The space for the door to rotate outside is not required, and the food storage space inside the warehouse can be increased. Moreover, even if it opens which door, a partition does not inhibit taking-out of a foodstuff. Furthermore, the partition has the same structure on the left and right, and can provide a door opening force that is uniform and small. Further, the durability of the gasket on the surface of the rotating partition can be maintained for a long time.

  According to the first aspect of the present invention, there are two doors disposed on the left and right sides of the opening of the box so that one side surface of the outer periphery is opposed to the opening, and the opening of the box is closed when the two doors are closed. A gasket that is in close contact with the front edge, and a pair of partitions that are disposed on opposite sides of the two doors and that are in close contact with each other when the door is closed and in close contact with the gasket, the pair of partitions are cylindrical Alternatively, it is provided with a cylindrical gasket and is rotatable, and does not include a space and a partition required for the partition itself to rotate when the door on the side where the conventional partition holds the partition is opened. When the door on the side is opened, a space for the door to rotate outside the partition is not required, and the food storage space on the inner side can be increased.

  The invention according to claim 2 is the invention according to claim 1, wherein the left and right doors have the same structure as the pair of rotatable gaskets in the shape of a cylinder or a column. It is possible to provide a uniform left and right.

  The invention according to claim 3 is the invention according to claim 1 or 2, wherein a heating element is arranged inside a pair of cylindrical or columnar rotary moveable gaskets, even under humid conditions. Sweating around the rotating partition can be prevented.

  According to a fourth aspect of the present invention, in the invention according to any one of the first to third aspects of the present invention, fins are provided on the surfaces of a pair of rotationally movable cylindrical or columnar gaskets. The degree of adhesion between them increases, and the sealing performance inside and outside the cabinet improves.

  The invention according to claim 5 is the invention according to any one of claims 1 to 4, wherein a pair of rotationally movable gaskets in the form of a cylinder or a column is embedded in each side of the door, and a part of the gasket protrudes. The food can be taken out smoothly.

  The invention according to claim 6 is the invention according to any one of claims 1 to 5, wherein a food storage pocket inside the refrigerator door is provided over substantially the entire width of the door. Space can be increased.

  The invention according to claim 7 is the invention according to any one of claims 1 to 6, further comprising a partition wall for vertically partitioning the interior of the warehouse, and having storage chambers at the top and bottom, and opening the front of each storage chamber In the refrigerator with the door covering the part, the door interval between the two doors arranged on the left and right in the front opening of one storage room is set narrower than the door interval facing vertically, and the appearance of the entire refrigerator Design and appearance can be improved.

  Hereinafter, embodiments of the present invention will be described with reference to the drawings. The present invention is not limited to the embodiments.

(Embodiment 1)
FIG. 1 shows a perspective view of the refrigerator in Embodiment 1 of the present invention. FIG. 2 shows a perspective view of the refrigerator with the door removed in the same embodiment. FIG. 3 shows a perspective view of the door device in the embodiment. FIG. 4 shows a cross-sectional view AA of the door device in the same embodiment.

  1 to 4, reference numeral 41 denotes a refrigerator main body, which is located forward from a steel plate outer box 102, an inner box 103 made of resin, and a foam heat insulating material (not shown) filled between the two boxes 102, 103. A heat insulating wall 104 is formed, and a heat insulating wall for partitioning the heat insulating box 104 is provided, and a refrigerator compartment 105a, a vegetable compartment 105b, and a freezer compartment 105c are formed from above. The uppermost refrigerating chamber 105a is configured to be opened and closed by two open doors 46 and 47 pivotally supported by left and right edge portions 105 by upper and lower hinges 106. Moreover, the vegetable compartment door 42 is provided in the front of the vegetable compartment 105b, and the freezer compartment door 43 is provided in the front of the freezer compartment 105c.

  Next, the doors 46 and 47 are in contact with the door outer plates 48 and 49, the frame plates 51 and 52 on the non-pivot-supporting side surfaces of the doors 46 and 47, and the inner peripheral flanges of the frame plates 51 and 52. A foam heat insulating material 55 filled with foam between the door inner plates 53 and 54 is formed. Reference numerals 62 and 63 denote food storage pockets formed on the back chamber side of the doors 46 and 47 by the inner plates 53 and 54.

  In FIG. 4, partitions 68 and 69 are attached to the side surfaces of the doors 46 and 47 on the non-pivot side. Each partition 68, 69 extends in the vertical direction, is formed to have a length substantially the same as the vertical width of the opening 44 of the storage body 104, and opens when the doors 46, 47 are closed. A flexible gasket 64 or 65 having a cylindrical or columnar shape is rotatably attached to the outer periphery of each partition body 68 and 69. In the refrigerator, the upper doors 46 and 47 open and close the front opening 44 of the main body 104 by rotating in the front-rear direction, and the doors 46 and 47 are pushed together and rotated backward. The front opening 44 of the storage body 104 is closed, and in this closed state, the front ends of the doors 46 and 47 and the front ends of the partitions 68 and 69 face each other while holding a predetermined gap. The flexible gaskets 64 and 65 provided on the partitions 68 and 69 come into contact with each other to close the gap. As a result, the gasket 56 provided on the entire outer peripheral edge of the back surface of the doors 46 and 47 abuts on the front surface of the entire peripheral edge on the front side of the opening 44 of the warehouse main body 104, and the opening 44 of the warehouse main body 104 is sealed. To do.

  Further, the recesses 70 and 71 are provided in the frame plates 51 and 52 on the side surfaces of the doors 46 and 47 on the non-pivot side, and the partition bodies 68 and 69 are embedded in the recesses 70 and 71, respectively. A part of the side to be projected is projected. Further, the structures of the partitions 68 and 69 of the doors 46 and 47 are the same on the left and right.

  Further, heating elements such as heaters 66 and 67 are disposed inside the partitions 68 and 69 of the doors 46 and 47. Further, a plurality of fins 73 are formed in the longitudinal direction of the partition bodies 68 and 69 on the surfaces of the flexible gaskets 64 and 65 of the partition bodies 68 and 69 of the doors 46 and 47.

  Further, the food storage pockets 62 and 63 formed on the back chamber side of the doors 46 and 47 are provided over substantially the entire width of the door.

  Moreover, the door space | interval of the two doors 46 and 47 arrange | positioned right and left at the front opening part of the refrigerator compartment 105a is set narrower than the door space | interval of the vegetable compartment door 42 and the freezer compartment door 43 which oppose up and down.

  With the above-described configuration, the partition bodies 68 and 69 always rotate and closely adhere to the outer peripheral surface when either one or both of the doors 46 and 47 are closed, and one of the doors 46 and 47 and Since both the doors 46 and 47 are always rotated and separated even when both are opened, there is little resistance when the doors 46 and 47 are closed and opened, and the doors 46 and 47 can be opened and closed smoothly with a small operating force. Further, since the partitions 68 and 69 rotate and come into close contact when the doors 46 and 47 are closed, the close contact portions change every time the doors are closed. For this reason, the adhesion part of the flexible gaskets 64 and 65 can be distributed over the entire outer peripheral surface without locally concentrating, and the damage generated in the adhesion part of the flexible gaskets 64 and 65 can be dispersed throughout the outer periphery. This can be reduced and the durability of the flexible gaskets 64 and 65 can be maintained for a long time. Furthermore, since the flexible gaskets 64 and 65 are rotated and separated when the doors 46 and 47 are opened, the contact portions are separated by a small force, and the flexible gaskets 64 and 65 are separated. Damage can be reduced, and the durability of the flexible gaskets 64 and 65 can be maintained for a long time from this point.

  Furthermore, by making the structures of the partition bodies 68 and 69 of the doors 46 and 47 the same on the left and right, the door opening force of the doors 46 and 47 can be made equal to the left and right, and the operational feeling can be improved and parts can be shared.

  Furthermore, by disposing a heating element such as heaters 66 and 67 inside the partitions 68 and 69 of the doors 46 and 47, a refrigerator that does not sweat around the rotating partition even under high humidity conditions can be provided.

  Furthermore, the surface of the flexible gaskets 64 and 65 of the partition bodies 68 and 69 of the doors 46 and 47 has a fin shape. The air layer 72 is formed by the fin shape, and the degree of adhesion between the doors 46 and 47 is improved. Increases the sealing performance inside and outside the cabinet.

  Further, the recesses 70 and 71 are provided in the frame plates 51 and 52 on the side surfaces of the doors 46 and 47 on the non-pivot side, and the partition bodies 68 and 69 are embedded in the recesses 70 and 71, respectively. A refrigerator can be provided in which the body does not hinder the removal of food.

  In addition, the recessed portions 70 and 71 are provided in the frame plates 51 and 52 on the non-pivot side surfaces of the doors 46 and 47, and the partition bodies 68 and 69 are embedded in the recessed shapes 70 and 71, respectively. The inside food storage pockets 62 and 63 can be expanded to a range that does not hinder the opening and closing operation of the refrigerator door, and the food storage space can be increased.

  Furthermore, the recesses 70 and 71 are provided in the frame plates 51 and 52 on the side surfaces of the doors 46 and 47 on the non-pivot side, and the partitions 68 and 69 are embedded in the recesses 70 and 71, respectively. Thus, the door interval between the opposing side surfaces of the two doors on the non-pivot side of the doors 46 and 47 can be reduced, and the design and appearance of the refrigerator can be improved.

  As described above, the double door refrigerator according to the present invention can uniformly and reduce the opening force, and can increase the food storage space inside the box, so that it can be applied to uses such as a cooling storage having a double door.

The refrigerator perspective view in embodiment of the refrigerator by this invention Inside perspective view of refrigerator in the same embodiment AA line sectional view of FIG. Detailed view of AA line cross-sectional view of FIG. Perspective view of a conventional refrigerator Inside perspective view of conventional refrigerator Opening plane sectional view of a conventional refrigerator Perspective view from the back of a conventional refrigerator door

Explanation of symbols

41 Refrigerator 44 Opening 46, 47 Door 56 Gasket 62, 63 Food storage pocket 64, 65 Flexible gasket 66, 67 Heater 68, 69 Partition 105a Refrigerated room 105b Vegetable room 105c Freezer room

Claims (7)

Two doors arranged on the left and right with one side of the outer periphery facing each other in the opening of the box, a gasket that is provided on the back of the two doors and closely contacts the opening front edge of the box when the door is closed, A pair of partitions disposed on opposite sides of the two doors and in close contact with each other when the door is closed, and in close contact with the gasket; the pair of partitions includes a cylindrical or columnar gasket; and A double-sided refrigerator that is rotatable. 2. The double door refrigerator according to claim 1, wherein the left and right doors have the same structure of a pair of cylindrical or columnar and rotatable gaskets. The double-sided refrigerator according to claim 1 or 2, wherein a heating element is disposed in a pair of cylindrical or columnar rotatable gaskets. 4. A double door refrigerator according to any one of claims 1 to 3, wherein fins are provided on the surfaces of a pair of cylindrical or columnar rotationally movable gaskets. 5. The double door refrigerator according to claim 1, wherein a pair of rotatable gaskets in a cylindrical or columnar shape is embedded in each side of the door and partly protrudes. The double door refrigerator according to any one of claims 1 to 5, wherein a pocket for storing food inside the refrigerator door is provided over substantially the entire width of the door. In a refrigerator having a partition wall that divides the interior of the chamber up and down and having storage chambers in the top and bottom, and a door that covers the front opening of each storage chamber, two refrigerators arranged on the left and right in the front opening of one storage chamber The double door refrigerator according to any one of claims 1 to 6, wherein a door interval of the doors is set to be narrower than a door interval facing vertically.

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