JPH1054648A - Refrigerator door - Google Patents

Abstract

PROBLEM TO BE SOLVED: To facilitate opening/closing operation of a door without being obstructed by the other door and hence prevent a partition structure and other parts from being destroyed by constructing the partition structure provided on the back surface on the non-pivot side of one door such that it is slidably moved horizontally. SOLUTION: A guide member 22 having a guide plane 21 is formed protruded facing each other on the upper and lower portions of an opening edge of a heat insulating lox 1 of a part of a first door 19 and a second door 20 located on a side of a non pivot side. A support plate 27 protruded in the direction in a chamber is attached to the up and down parts of a portion of the first door 19 located inside of a gasket 10 on a non-pivot side of a back surface of the same. One end of a first support arm 30 is pivoted on a first shaft 29. A second support arm 32 is pivoted on a second shaft 31 on the other end of the first support arm 30. A partition plate 34 is pivoted out a third shaft 33 on the other end of the second support arm 32. The partition plate 34 has length over an opening edge, and extends in the direction of a rotary shaft of the first door 19 and is movable horizontally.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a door apparatus for a refrigerator having an opening and closing of an opening of a heat insulating box by a double door, and a gasket for sealing on the back of each door.

[0002]

2. Description of the Related Art Conventionally, a refrigerator door device has a special opening and closing mechanism.
No. 078 is known.

FIGS. 10 to 14 show the structure of a conventional refrigerator door device, wherein 1 is a heat insulating box, and an outer box 2 and an inner box 3 are shown.
It is formed by a heat insulating wall 4 filled with a foam heat insulating material, and has an open front surface.

An upper hinge 5 and a lower hinge 6 are provided above and below the left and right edges of the heat-insulating box 1, respectively, and are rotatably supported so as to close the opening.
The first door 8 and the second door 9 of the double-opening type each having a.

[0005] Gaskets 10 are provided on the peripheral edges of the rear surfaces of the doors 8 and 9, respectively. In addition, the two doors 8,
9 is located downward on the upper inner surface side of the heat-insulating box 1 at the upper part on the non-pivot side, and has a guide groove 12 of a rotary partition body 11 described later.
A cylindrical guide projection 13 which freely passes through the
A spring 14 extends on the back surface of the non-pivot side portion of the door 8 in the direction of the rotation axis (up and down direction) of the first door 8 so as to extend over the opening edge.
, And is rotatably provided by a support arm 15 and a support plate 16, and is formed by a rotary partition 11 having a concave and curved guide groove 12 formed at an upper end thereof.
It comprises a front plate 17 made of a copper plate, a box 18 made of a resin, and a heat insulating material (not shown) provided inside, and also has a heater (not shown) for preventing perspiration therein.

[0006] The door opening / closing operation of the door device of the refrigerator configured as described above will be described below.

In the closed state of the second door 9 and the opened state of the first door 8, the rotary partition body 11 rotatably mounted on the back surface of the first door 8 on the non-pivot side is the first door 8 The guide groove 1 provided in the rotary partition body 11 enters the opening with the closing operation of
2 comes into contact with the guide projection 13 provided on the opening edge, and rotates along the guide groove 12.

A gasket 10 provided on the back surface of the first door 8 is in close contact with the peripheral edge of the opening of the heat-insulating box 1, and the front plate 17 of the rotary partition 11 and the non-pivot support of the doors 8, 9 are provided. When the gasket 10 on the side has come into close contact and the closing operation has been completed, the rotary partition body 11 becomes parallel to the doors 8 and 9 and the rotation is completed.

[0009]

In this refrigerator door apparatus, if the partition body turns while the door is open, if the door is closed, the door cannot be closed due to the presence of the partition body. However, there is a problem that the partition body is damaged.

An object of the present invention is to solve the above-mentioned conventional problems, and an object of the present invention is to prevent breakage of a partition body and other parts.

[0011]

SUMMARY OF THE INVENTION In order to solve this problem, the present invention provides a gannon which is rotatably supported on both sides of an opening of a heat insulating box having an opening on the front side so as to close the opening. An open first door and a second door, a gasket provided on each of the back edges of the two doors and in contact with the opening edge, and the opening on the back surface of a non-pivot side portion of one of the doors. A partition that extends in the direction of the pivot axis of the door over the length of the edge, is pivotally supported movably in the horizontal direction, and slides with the opening / closing operation of this one door regardless of the opening / closing operation of the other door. A first support plate and a second support plate provided at upper and lower portions on the back side of the non-pivot side of the first door; a slot for guiding the shaft provided on each of the support plates; The first attached
A support arm, and a second support arm which is connected to the other end of the first support arm at one end thereof and which is connected to the other end of the first support arm so that the other end of the first support arm is pivotally connected to the partition body. With the closing operation of the door, it enters the inside of the opening, the other end of the first support arm comes into contact with the guide member, and the first support arm rotates and is connected with one end of the first support arm as a fulcrum. The second
The support arm is movable along the elongated hole with the other end of the first support arm as a fulcrum.

[0012]

DESCRIPTION OF THE PREFERRED EMBODIMENTS The invention according to claim 1 of the present invention is characterized in that a first support plate and a second support plate provided on the upper and lower portions of the back surface of the non-pivot side of the first door are provided on the both support plates. A slot for guiding the shaft provided, a first support arm having one end pivotally attached to each of the support plates, and one end pivotally connected to the other end of the first support arm, and the other end is connected to the other end by the slot. A second support arm whose end is pivotally inserted into the partition member is provided, and the partition member enters into the opening with the closing operation of the first door, and the other end of the first support arm contacts the guide member. And the first support arm pivots about one end of the first support arm as a fulcrum, and the connected second support arm moves along the elongated hole with the other end of the first support arm as a fulcrum. Since the support arms rotate relative to each other with the elongated hole as a guide, the partition is placed on the non-pivot side of this door. Smoothly to out position has the effect of translating.

According to a second aspect of the present invention, there is provided an auxiliary support plate which is pivotally attached to one end of a second support arm and has one side fixed to a partition, and a notch provided on one side of the second support arm. Since the auxiliary support plate is fitted to the partition, the partition body passes through the fitting portion, so that the partition has a function of smoothly moving in parallel to a position protruding toward the non-pivot side of the door.

According to a third aspect of the present invention, a rotating body having a larger outer dimension than both supporting arms is provided on the shaft of the first supporting arm and the second supporting arm, and the rotating body is used as a guide member. When the support arms come into contact with each other, they have an effect that each support arm smoothly rotates with the elongated hole serving as a guide. The invention according to claim 4 is characterized in that the first and second partitions are provided at the upper and lower ends of the partition provided on the first door.
A movable biasing device that constantly generates an elastic force in the direction of the pivotal side of the door is provided, and when the door to which the partition is attached is opened, the partition is instantly moved to the pivotal side of the door, and The door can be opened so as not to obstruct the door.

According to a fifth aspect of the present invention, the two supporting plates are provided with elongated holes intersecting with each other on the rotation axis extension of the first supporting arm,
The first support arm is pivotally attached to the support plate through the elongated hole, and has an effect of preventing the first support arm from rattling.

Hereinafter, embodiments of the present invention will be described with reference to the drawings. The same components as those of the conventional example are denoted by the same reference numerals, and detailed description is omitted.

(Embodiment 1) FIGS. 1 to 5 show a door device of a refrigerator, in which a first door 19 and a second door 20 of a double door are opened and closed at the front opening of a heat insulating box 1. It is freely configured. Guide members 22 each having a guide surface 21 are formed so as to protrude opposite to each other above and below an opening edge of the heat insulating box 1 at a portion located on the non-pivot side of each of the doors 19 and 20. Note that this guide member 22 is similar to the one shown in FIG.
As shown in the figure, preferably, a guide groove 23 is provided on the opposing surface, and an inclined portion 25 is provided with the opening side of the heat insulating box 1 as an inlet 24, and the front and rear surfaces of the guide groove 23 are parallel to the heat insulating box 1. A recess 26 may be provided on the front side at the back of the guide groove 23, and the guide groove 23 may have the same configuration as the guide surface 21. A support plate 27 is attached to a portion of the back surface of the first door 19 which is located inside the gasket 10 located on the non-pivot side, and protrudes upward and downward, respectively. The support plate 27 is provided with a slot 28 for guiding, and the support plate 27 is provided with a first support arm 30 having one end pivotally mounted on a first shaft 29. A second support arm 32 is provided at the other end of each of the first and second shafts, the second support arm 32 having a second shaft 31 provided at one end thereof. A third shaft 33 is attached to the other end of the second support arm 32 and extends in the direction of the rotation axis of the first door 19 over the length of the opening edge so as to be movable in the horizontal direction. The partition 34 is provided.

The door opening / closing operation of the door device of the heat-insulating box configured as described above will be described below.

The closed state of the second door 20 and the first door 19
In the open state, the partition 34 movably attached to the back surface of the first door 19 on the non-pivot side enters the inside of the opening with the closing operation of the first door 19, and the upper and lower portions of the partition 34 The first support arm 30 provided on the guide member 22 and the second shaft 31 supporting the second support arm 32 are connected to the guide member 22 provided on the opening edge.
And the third shaft 33 pivotally supporting the second support arm 32 moves along the guide surface 21 while using the guide elongated hole 28 provided in the support plate 27 as a guide. The partition 34 is the second
The door 20 slides toward the non-pivot side. Then, the gasket 10 provided on the back surface of the first door 19 is in close contact with the peripheral edge of the opening of the heat-insulating box 1, and the partitioning body 34 is in a state parallel to the two doors 19, 20, and the non-pivot side of the two doors 19, 20. And the movement is completed and the closing operation is completed. Also,
By opening the first door 19 from the closed state, an operation opposite to the closing operation is performed.

When the guide member 22 provided with the guide groove 23 is formed, the second shaft 31 provided on the partition 34 is provided.
However, it enters from the entrance 24 of the guide groove 23, moves along the inclined portion 25, and the partition body 34 slides toward the non-pivot side of the second door 20, and when the closing operation of the door is completed, the second shaft Is held by the concave portion 26 located at the innermost portion of the guide groove,
Is in a state parallel to both doors 19 and 20, and the movement is completed, and the closing operation ends.

(Embodiment 2) FIG. 6 shows a door device for a refrigerator. In FIG. 6, reference numeral 35 denotes a second support arm connected to the first support arm 30. A notch 36 is mounted on the third shaft 33 on one side.
And a substantially L-shaped auxiliary support plate 37 provided so as to be fitted into the notch 36 is made to pass through the third shaft 33.
One side of the auxiliary support plate 37 is fixed to the partition 34. The auxiliary support plate 3 is inserted into the notch 36.
By fitting the partition 7, the partitioning body 34 can be slid while being moved in parallel with the heat insulating box 1 with the movement of the partitioning body 34.

(Embodiment 3) FIG. 7 shows a door device of a refrigerator. In the drawing, one end of the first support arm 30 and one end of the second support arm 35 are used as the axis of the second shaft 31. A configuration in which a rotating body 38 whose outer dimensions are larger than the axially attached portions of the support arms 30 and 35 is axially attached. By providing the rotating body 38, when the rotating body 38 comes into contact with the guide surface 21 of the guide member 22, the partition body 34 can move smoothly. Although 38 is a rotating body, it is preferably formed of a roller. As the roller, for example, a resin collar or a bearing can be used, which is preferable because friction is small.

(Embodiment 4) FIG. 8 shows a door device of a refrigerator, in which a movable urging device 39 is connected to one end of the support plate 27 and one end of the auxiliary support plate 37 in the figure. By providing the movable urging device 39, the partitioning body 34 can slide instantaneously when the first door 19 is opened. Although the movable urging device 39 has been described, it is preferably constituted by a spring. As the spring, for example, a coil spring or the like can be used, which is preferable in terms of elasticity.

(Embodiment 5) FIG. 9 shows a door device of a refrigerator.
An elongated hole 4 that intersects with the first support arm 30, which is axially mounted on the shaft 29, on the rotation axis extension of the first support arm 30.
0, and the first support arm 30 is pivotally mounted on the support plate 27 with the fourth shaft 41 through the elongated hole 40. By providing the fourth shaft 41, when the first support arm 30 moves, it is possible to prevent rattling and to achieve smooth rotation.

[0025]

As described above, according to the present invention, the partition provided on the back surface of the non-pivot side of one of the doors is configured to be slid in the horizontal direction. Since the partition moves without the door being in the way, the door can be easily opened and closed, and damage to the partition and other components can be prevented.

In addition, the guide member is provided with a guide surface, so that the axis of the support arm provided on the partition body can move smoothly along the guide surface.

Further, the elongated hole provided in the support plate serves as a guide, and the sliding movement of the partition body is promoted.

Further, the auxiliary support plate is similarly fitted in the notch of the second support arm, and the partition body is free to move, so that it can move smoothly.

Further, the first shaft on which the first support arm and the second support arm are pivotally connected becomes a rotating body, so that each support arm can move smoothly.

Since the movable urging device for connecting the support plate and the second support arm is constituted, the partition can be instantaneously moved so as not to obstruct another door when the door is opened.

Further, since the fourth shaft for penetrating the first support arm through the support plate is formed, rattling of the first support arm can be prevented.

[Brief description of the drawings]

FIG. 1 is a plan sectional view of a front opening showing a door device of a refrigerator according to an embodiment of the present invention.

FIG. 2 is a plan sectional view of a front opening showing the door device of the refrigerator according to the embodiment;

FIG. 3 is a side sectional view of a front opening showing the door device of the refrigerator according to the embodiment;

FIG. 4 is a front view of the door device of the refrigerator according to the embodiment in an open state;

FIG. 5 is a perspective view of parts on the back surface of the door showing the refrigerator door device according to the embodiment;

FIG. 6 is a partial perspective view of a door back surface showing the refrigerator door device according to the embodiment;

FIG. 7 is a partial perspective view of the back surface of the door showing the refrigerator door device according to the embodiment;

FIG. 8 is a partial perspective view of the back surface of the door showing the refrigerator door device according to the embodiment.

FIG. 9 is a partial perspective view of the back surface of the door showing the refrigerator door device according to the embodiment;

FIG. 10 is a perspective view showing a refrigerator door device according to a conventional embodiment.

FIG. 11 is a perspective view showing a door apparatus of a refrigerator according to a conventional embodiment in a door open state.

FIG. 12 is an enlarged sectional plan view showing the refrigerator door device according to the embodiment shown in FIG. 11;

FIG. 13 is a plan sectional view showing the door device of the refrigerator according to the embodiment shown in FIG. 11 in a door closed state;

FIG. 14 is a sectional plan view of the refrigerator door device according to the embodiment shown in FIG. 11 in a door open state;

[Explanation of symbols]

 DESCRIPTION OF SYMBOLS 1 Heat insulation box 10 Gasket 19 1st door 20 2nd door 21 Guide surface 22 Guide member 27 Support plate 28 Long hole 29 1st axis 30 1st support arm 31 2nd axis 32 2nd support arm 33 3rd axis 34 Partition Body 35 Second support arm 36 Notch 37 Auxiliary support plate 38 Rotating body 39 Movable biasing device 40 Slot 41 Fourth axis

Claims (5)

[Claims] 1. A double-door, first and second doors which are pivotally supported on both sides of the opening to close the opening of a heat insulating box having a front opening, and both doors. A gasket that is provided on the back edge of the door and abuts on the opening edge, and extends on the back surface of the non-pivot side portion of one of the doors over the opening edge in the rotation axis direction of the door. And a partition that is movably pivoted in the horizontal direction and slides with the opening and closing operation of this one door regardless of the opening and closing operation of the other door. A first support plate and a second support plate provided, a long hole for shaft guide provided in each of the support plates, and a first support shaft having one end mounted on each of the support plates.
A support arm, and a second support arm which is connected to the other end of the first support arm at one end thereof and which is connected to the other end of the first support arm so that the other end of the first support arm is pivotally connected to the partition body. With the closing operation of the door, it enters the inside of the opening, the other end of the first support arm comes into contact with the guide member, and the first support arm rotates and is connected with one end of the first support arm as a fulcrum. The second
A door device for a refrigerator, wherein the support arm is movable along the slot with the other end of the first support arm as a fulcrum. 2. An auxiliary support plate axially attached to one end of a second support arm and one side fixed to a partition, and the auxiliary support plate is fitted into a notch provided on one side of the second support arm. The refrigerator door apparatus according to claim 1, wherein 3. The refrigerator door apparatus according to claim 1, wherein a rotating body having a larger outer dimension than both support arms is provided at a shaft attachment portion of the first support arm and the second support arm. 4. A movable urging device which constantly generates an elastic force in a direction of a pivot of the first door is provided at upper and lower ends of a partition provided on the first door. Refrigerator door device. 5. An elongate hole intersecting the first support arm with respect to a rotation axis extension of the first support arm, and the first support arm is axially inserted into the support plate through the elongate hole. Claim 1
The refrigerator door device as described in the above.