JPH0618155A - Door device of refrigerator - Google Patents

Abstract

PURPOSE:To prevent a coil spring from being separated and flying out even if the spring is broken, thereby improving safety by fixing a rotational body to be mounted to a double-leafed hinged door by means of the coil spring and supporting the opposite ends of the spring by a protection member with a stopper. CONSTITUTION:A freezing chamber of a refrigerator is closed by means of two doors of the double-leafed hinged door type. A gasket is attached to each of the doors and a rotational body 7 is supported by upper and lower hinges 9, 10 on one of the doors. Further, the body 7 is made up of a case 11 and pieces 13 attached to the upper and lower parts of the case. In this case, the body 7 is rotatably secured by a coil spring 21, while the opposite ends of the spring 21 are inserted respectively into spring insertion holes 31, 32 provided respectively on two protection members 24, 25. And stopper parts 26,27 are formed on the protection members 24, 25 respectively. As a result, the broken coil spring 21 is prevented from being separated from the holes 31, 32 and thus from flying out therefrom.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to one door of a so-called double door type refrigerator in which a first door and a second door are used to close an opening in a refrigerator, and a gasket receiving surface of the other door. The present invention relates to a refrigerator including a rotating partition body to be formed.

[0002]

2. Description of the Related Art Conventionally, this type of technology has been incorporated into Japanese Utility Model Publication No. Sho 63-782.
There is one shown in No. 3.

The structure of this structure will be described below with reference to FIGS. 8 to 11. Reference numeral 41 denotes a refrigerator main body, and this main body 41 forms an inside 42. 43 and 44 are the inside 4
It is the 1st, 2nd door which closes the front opening part of 2.

The doors 43 and 44 are of a double-door type, as is apparent from the figure. 45 and 46 are upper hinges, and 47 and 48 are lower hinges. The first door 43 is rotatably pivoted by the upper hinge 45 and the lower hinge 47. The second door 44 is rotatably pivoted by upper hinges 46 and 48.

Reference numerals 49 and 50 denote gaskets containing permanent magnets attached to the inner peripheral edges of the first and second doors. Reference numeral 51 is a rotary partition. Although not shown in the figure, the rotary partition 51 has an iron plate (not shown) on the surface which forms the magnetized surface of the gasket 49. The rotary partition 51 is rotatably pivoted on the first door 43 with a partition hinge 53.

Reference numerals 54 and 55 are first and second guides for guiding the rotary partition 51.

The rotary partition 51 thus installed is as shown in FIG. 9 when the first and second doors are closed, and the first door 4 is shown.
When the door 3 is opened, the rotary partition 51 is guided by the first guide 54 following the opening of the door 43, as shown in FIG.

When the door 43 is closed, the rotary partition 51 is guided by the second guide 55 when the door 43 is closed, and the rotary partition is rotated as shown in FIG.

A coil spring 56 is attached to the partitioning hinge 43 so that a rotating force is exerted on the rotary partition 51 when the door is opened and a spring force is applied to press the rotary partition 51 against the first guide 54 when the door is closed. I am supposed to work.

[0010]

In the refrigerator having the above structure, the following points have not been studied.

1. If the coil spring is damaged due to abnormal stress or the like, it may fly violently and hit a nearby human body or the like, which may cause a disaster, and there is a problem in that safety is not taken into consideration.

[0012]

SUMMARY OF THE INVENTION According to the present invention, the above-mentioned one door of a so-called double-door type refrigerator in which a first door and a second door are used to close the opening in the refrigerator, is provided with the other magnet gasket receiver. In a refrigerator having a rotary partition that forms a surface, a coil spring that locks the rotary partition is rotatably provided, and one end is freely pivotable into an insertion hole on the lower hinge side and the other end is at the lower side of the piece. Play with. Therefore, a stopper portion is provided by the protective member 1 and the protective member 2 on the extension line of the spring insertion hole to prevent the coil spring from coming off after being loosely fitted and scattering at the time of breakage.

[0013]

According to the present invention, the rotary motion associated with the door of the rotary partition can be smoothly performed by the combination of the upper and lower pieces of the rotary partition and the guide and the spring.

Further, when the coil spring is damaged due to abnormal stress or the like, a force is exerted on the damaged piece so as to disengage from the lower hinge side of both ends and the insertion hole on the lower side of the piece and scatter.

However, the stoppers of the protective members 1 and 2 restrain the ends of the coil springs from coming out, so that the stoppers cannot come out of the insertion holes.

[0016]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS The details of the present invention will be described below with reference to an embodiment shown in the drawings. Reference numeral 1 indicates a refrigerator main body, and 2 indicates a freezer compartment formed by the refrigerator main body 1. The freezer compartment 2 has a front opening closed by so-called double doors of the first door 3 and the second door 4. Reference numerals 5 and 6 are gaskets containing permanent magnets attached to the back side peripheral edges of the doors 3 and 4, respectively. 7 is the first
The rotary partition body attached to the door 3 of FIG. 1, the rotary partition body 7 is rotatably pivoted by an upper hinge 9 and a lower hinge 10 attached to the door inner plate 8.

The rotary partition 7 has a case 11 formed by extrusion molding and the like, and an injection-molded upper piece 12 and a lower piece 13 which are attached to the upper and lower sides of the case 11. A heat insulating material 15 is filled in the space portion surrounded by the case 11, the pieces 12, 13, and the iron plate 14, which has the iron plate 14 and the like constituting the magnetized surface of the inlet gasket. 1
6 is a heating body such as an electric heater disposed between the back surface of the iron plate 14 and the heat insulating material 15. This heating body 16 is the iron plate 1
4 It is attached for the purpose of eliminating the moisture that tends to be condensed on the surface.

Further, the left and right flange portions 14 of the iron plate 14
It is preferable to form a and 14b as short as possible.
On the contrary, the upper and lower flange portions 14c, 14 of the iron plate 14
d is formed to be relatively long and large so as to cover most of the surfaces 12a and 13a of the pieces 12 and 13. Therefore, the heat heated by the heating element 16 is applied to the flange portions 14c, 14c.
The surfaces 12a, 13a of the pieces 12, 13 can be sufficiently heated via d.

Next, the mounting relationship between the iron plate 14 and the case 11 will be described.

For example, when the width of the case 11 is 50 mm,
The width of the iron plate 14 is 30 mm. That is, iron plate 1
4 is attached to both sides of the case 11 at 10 mm.

The magnetized portions 5a and 6a of the gasket containing the permanent magnet are located on the iron plate 14 and the magnetized portions 5a and 6a.
The bag portions 5b and 6b formed on the side of a are located 10 mm from the case 11. This prevents heat in the freezer compartment 2 from being transferred to the iron plate 14 side through the gaskets 5 and 6 as shown in FIG.

Reference numeral 17 is a guide attached to the upper surface of the freezing chamber 2, and 18 is a guide attached to the lower surface. The guides 17 and 18 are formed in a substantially half-moon shape as shown in FIG.

Reference numerals 19 and 20 are holding pieces provided at the end portions of the guide portions 17a and 18a of the guides 17 and 18, and the pieces 12 and 13 are half-moon shaped guide portions 17a formed by the guides 17 and 18. , 18a. And this guide part 1
As shown in FIG. 1, 7a and 18a and the pieces 12 and 13 are configured so that cold air can be sealed with a lap margin in the vertical direction.

The holding pieces 19 and 20 help the pieces 12 and 13 to come out of the guide portions 17a and 18a.

That is, when the holding pieces 19 and 20 are not provided, the rotary partition 7 is kept open by the coil spring described later so as to form the gasket receiving surface on the second door side.

Therefore, when the first door 3 is to be opened, the rotary partition 7 remains in the open state and is guided by the guide portion 17.
a, 18a.

The holding pieces 19 and 20 prevent this, and even when the first door 3 starts to open, the rotary partitioning body 7 is pressed by the holding pieces 19 and 20, so that the upper and lower hinges 9 and 20.
Rotate around 10. When rotated to a certain extent, the rotating partition 7 is folded by the coil spring 21 as shown in FIG.

At the time when the force folded by the holding pieces 19 and 20 is transferred to the coil spring 21 (where the folding starts due to the force of the coil spring), the rotating operation of the rotary partition does not open the door 4 on the other side.

Reference numeral 21 is a spring that holds the rotary partition 7 in an open state (a state in which the gasket receiving surface of another door is formed) and a closed state (in a state in which it is close to the door inner plate 8).

As shown in the figure, the coil spring 21 has one end attached to the door inner plate 8 and the other end attached to the rotary partition 7 side, and has a coil therebetween.

As shown in FIG. 3, the shaft 7 of the rotary partition 7 is
When the spring attachment point Q on the rotary partition body side is on the door inner plate 8 side with a straight line Y connecting a and the attachment point P on the door inner plate 8 side as a boundary, the spring 21 moves the rotary partition body to the door inner plate 8 When it is on the side opposite to the door inner plate 8, it works to hold the rotary partition on the open side.

Therefore, the holding pieces 19 and 20 described above function to rotate the rotary partition 7 in the guide portions 17a and 18a until the spring attachment point Q of the rotary partition 7 passes the straight line Y. Is.

In FIG. 6, 23 is the half-moon shaped guide 17 described above.
It is a convex portion provided in (18). When the lower piece 13 slides in the guide portions 17a, 18a of the half-moon shaped guide 18 while sliding, as shown in FIG. Prevents hitting and locking.

Further, the smaller the contact surface of the convex portion 23 with the sliding portion 13c under the piece 13, the better. In other words, the convex portion 2
3 is a straight guide surface 1 of the half-moon shaped guide portions 17a and 18a.
7a′18a ′ and the linear portion 13c ′ of the sliding portion 13c of the lower piece 13 are in surface contact with each other to prevent the lower piece 13 from becoming difficult to slide.

Further, when the coil spring is damaged due to abnormal stress or the like, the spring force tends to scatter violently.

However, as shown in FIG. 7, both ends 29 and 30 of the coil spring 21 are spring insertion holes 31 and 32 which are parallel to the axis 28 of the coil spring of the protective member 24 and the protective member 25, respectively.
It is inserted deeply into the insertion hole, and even if it tries to come out from the insertion hole, it comes into contact with the stopper portions 26 and 27 of the protection member and cannot be removed.

Therefore, even if there is a user nearby, it is possible to prevent a disaster caused by damage to the spring.

When the coil spring 21 is assembled, the spring end portions 29 and 3 are inserted into the spring insertion holes 31 and 32 with the protective members 1 (24) and 2 (25) disassembled.
After inserting 0, the protection members 1 (24) and 2 (25) may be assembled. When disassembling, the procedure may be reversed.

In the case of the freezer compartment having the rotary partition body for the freezer compartment having such a structure, since the freezer compartment does not have a fixed partition, the usability is good, and the heat seal of the rotary partition part is also good. The opening and closing operation of the first door provided with can be smoothly performed.

Next, this will be described.

First, when the first door 3 is moved from the "open" state to the "closed" state, the upper and lower pieces 12, 13 of the rotary partition 7 held on the door inner plate 8 side are guided as shown in FIG. The upper and lower pieces 12, 13 hit the guide parts 17a, 18a of the parts 17, 18 and the convex part 23 in the middle thereof, and the upper and lower pieces 12, 13 are guided to the guide parts 17a, 18a, and the rotary partition 7 starts to move toward the open state. At this time, a force is applied to the rotary partition body 7 so as to press the rotary partition body 7 toward the door inner plate 8 side. However, when the attachment point Q of the coil spring 21 once passes the straight line Y, The coil spring 21 tries to rotate the rotary partition 7 toward the terminal ends of the guide portions 17a and 18a. This force also serves as a door closer, which is conventionally installed to automatically close the door just before it closes. The force for closing the door 3 and the force for intentionally closing the door 3 are combined so that the upper and lower pieces 12 and 13 of the rotating partition body 7 are guided by the guide portion 17.
The door 3 reaches the end of a and 18a, and the door 3 is closed.

On the other hand, when the first door 3 is to be moved from the "closed" state to the "open" state, the rotary partition 7 is as shown in FIG. 5 until the door 3 is opened to some extent as shown in FIG. , Being pushed forward by the holding pieces 19, 20, the hinges 9,
Rotate around 10.

When the door 3 is opened until the coil spring attachment point Q passes the straight line Y, the rotary partition 7 is rotated toward the door inner plate 8 by the force of the coil spring 21.

In this state, the door 3 can be opened without affecting the door 4.

While performing such opening and closing operations, the main rotary partition body 7 prevents heat transfer by the following means. That is, while the heat of the iron plate warmed by the dew-prevention heating element provided to prevent dew from being attached to the surface of the rotary partition 7 due to the temperature difference is about to enter into the freezer compartment 2, This is prevented by making the width of the iron plate 14 smaller than the width of the rotary partition 7 and also making the side flanges 14a and 14b of the iron plate small.

On the other hand, the upper and lower pieces 12, 13 of the rotary partition 7
A space 22 (gap for rotation) formed between the guide 17 and the guides 17 and 18 is cooled by heating the upper and lower pieces 12 and 13 through the upper and lower flanges 14c and 14d of the iron plate 14 heated by the heating body 16. It prevents entry and exit.

In addition, the heat flow in and out of the freezing chamber and the outside is
The contact between the bag portion formed on the side of the magnet-embedded gasket and the surface of the rotary partition (where the iron plate is absent) prevents the bag better than before.

Furthermore, since the lap margins of the guides 17 and 18 and the upper and lower pieces 12 and 13 are sufficiently large and the lap portion is a narrow space, the heat leakage from the lap portion can be minimized. .

Furthermore, even when the guides 17 and 18 and the upper and lower pieces 12 and 13 slide, the convex portions 23 are formed on the guide portions.
Due to this, the surface contact is minimized, and especially when the guides 17 and 18 of the rotary partition enter, the sliding portion 13 of the rotary partition does not come into contact with the guides 17 and 18 and lock. .

[0050]

Since the present invention is the door device having the structure as described above, when the coil spring required for the rotating operation of the rotary partition body is damaged due to abnormal stress or the like, the coil spring scatters and a person nearby It has a safety structure that prevents accidents such as accidents.

[Brief description of drawings]

FIG. 1 is an explanatory view of a main part of a refrigerator equipped with the present invention.

FIG. 2 is a vertical sectional view of a refrigerator equipped with the present invention.

FIG. 3 is a cross-sectional view of a refrigerator equipped with the present invention.

FIG. 4 is a main part plan view showing a guide shape of the present invention.

FIG. 5 is an operation explanatory view of a rotary partition.

FIG. 6 is an operation explanatory view of a rotary partitioning body, showing a state different from that of FIG. 5;

FIG. 7 is an enlarged perspective view of a coil spring portion.

FIG. 8 is a front view showing a state where a door of a conventional refrigerator is removed.

FIG. 9 is a diagram illustrating a door closed state in an operation explanatory view of a conventional refrigerator.

FIG. 10 is a diagram illustrating an operation state of a conventional refrigerator in a door open state.

FIG. 11 is an enlarged view of a first support arm portion of a conventional refrigerator.

[Explanation of symbols]

 DESCRIPTION OF SYMBOLS 1 ... Refrigerator main body, 2 ... Freezer compartment, 3, 4 ... 1st and 2nd doors, 5, 6 ... Gaskets, 5a, 6a ... Magnetization part, 5b, 6b ... Bag part, 7 ... Rotating partition body, 7a ... shaft, 8 ... door inner plate, 9, 10 ... upper and lower hinges, 11 ... case, 12 ... piece upper, 12a ... piece 12 surface, 13 ... piece lower, 13a ... piece 13 surface, 14 ... iron plate, 14a, 14b ... Left and right flanges, 14c, 14d ... Top and bottom flanges, 15 ... Insulating material, 16 ... Heating body, 17 ... Top guide, 18 ... Bottom guide, 17a, 18a ... Guide part, 19, 20 ... Holding piece, 21 ... Spring, 22 ... Space part, 23 ... Convex part, 24 ... Protective member 1, 25 ... Protective member 2, 26 ... Stopper part, 27 ... Stopper part, 28 ... Coil shaft core, 29 ... Spring end part, 30 ... Spring end Part, 31 ... Spring insertion hole, 32 ... Spring In hole.

Claims (1)

[Claims] 1. A rotary partition for forming a magnet gasket receiving surface of the other door on the first door of a so-called double-door type refrigerator in which the opening in the refrigerator is closed by the first door and the second door. In a refrigerator provided with a body, a coil spring for rotatably locking the rotary partition body is provided, and one end is rotatably loosely fitted into an insertion hole on the lower hinge side and the other end is on the lower side of the piece. A door device for a refrigerator, characterized in that a stopper portion is provided by a protective member (1) and a protective member (2) on an extension line of a spring insertion hole.