JPH065593Y2 - Double-open refrigerator door switch - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION <Industrial Application Field> The present invention relates to a door switch of a refrigerator capable of opening an opening / closing door from both left and right sides.

<Prior art> A double-open refrigerator is a refrigerator that can open the opening and closing doors that open and close the main body from both left and right sides, and a door switch is a lamp inside the refrigerator that illuminates the inside of the refrigerator when the opening and closing doors are opened. A switch that turns on and off.

In a conventional refrigerator, that is, a refrigerator in which an opening / closing door can be opened only in a single direction, right or left, a so-called automatic reset type push switch is used as a door switch, and the door switch is the opening edge portion of the main body. It is installed in. When the opening / closing door is closed, the door switch is pressed by the opening / closing door to turn off the internal lamp, and when the opening / closing door is opened, it is turned on.

However, in a double-open refrigerator, the opening and closing doors are opened and closed from both sides, so if the push switch is used as a door switch, two door switches are required, one on each of the left and right sides.

Therefore, if the door switch is installed on the open / close door instead of the main body, the on-off lamp can be turned on / off with a single door switch. Cannot install a harness between and.

For this reason, in the double-open refrigerator, a reed switch as a door switch is provided at the opening edge of the main body, and the reed switch is turned on / off according to the opening / closing of the open / close door by a magnet provided on the open / close door. Is lit.

<Problems to be solved by the invention> However, in the above-mentioned conventional device, the reed switch as the door switch is installed so as to be exposed at the opening edge portion of the main body, so that the appearance is unsatisfactory and a factor of cost increase. Has become.

The present invention has been made in view of the above circumstances, and an object thereof is to provide a door switch for a double-open refrigerator that has a good appearance and is inexpensive.

<Means for Solving the Problems> A door switch of a double-open refrigerator according to the present invention is turned on / off by an opening / closing operation of an opening / closing door which is embedded in a side wall of a main body and is openably and closably supported on the left and right sides of the main body. A door switch for a double-open refrigerator that has a built-in contact part, a fan-shaped member that is supported in the switch body so that it can move in and out, and this fan-shaped member is always elastically urged toward the outside of the switch body. And an arm rotatably supported inside the switch body, and the arm is configured to turn on / off the contact portion as the fan-shaped member moves in and out.

<Operation> When the opening / closing door is closed, the overhanging portion of the opening / closing door presses the fan-shaped member of the door switch embedded in the side wall to turn off the interior lamp and the like. That is, the fan-shaped member enters the inside of the switch body against the elastic force of the elastic body, and the protrusion of the fan-shaped member presses the arm. Then, the arm actuates the contact portion to turn on and off the inside lamp and the like connected to the contact portion.

If you open the open / close door with one of the left and right fulcrums as a fulcrum, the contact between the overhanging part of the open / close door and the fan-shaped member is released, and the fan-shaped member jumps out to the inside by the elastic body, and the inside lamp connected to the contact part, etc. To turn on and off.

<Embodiment> An embodiment according to the present invention will be described below with reference to the drawings.

FIG. 1 is a sectional view showing an internal structure of a door switch of a double-open refrigerator according to an embodiment of the present invention, and FIG. 2 is a schematic configuration diagram showing a refrigerator using the door switch of the double-open refrigerator. The figure is an explanatory view for explaining the operation of the door switch of the double-open refrigerator.

The double-open refrigerator has a main body 10, an opening / closing door 20 that opens and closes the main body 10 from both left and right sides, and a special metal fitting that connects the main body 10 and the opening / closing door 20. Since this special metal fitting is not the gist of the present invention, a detailed description and illustration thereof will be omitted, but the opening / closing door 20
The main body of the open / close door 20 so that you can open it from both sides
It is connected to 10.

The opening / closing door 20 is used for installing the door pocket, etc.
An overhanging portion 21 corresponding to the ten openings is provided, and this overhanging portion 21 is set to be close to the opening.

The door switch 30 is, as shown in FIG. 1, an edge portion of the opening of the main body 10, that is, a side wall of the main body 10, and the opening / closing door.
It is embedded in a position where it can be pressed by the overhanging portion 21 of 20. The door switch 30 includes a switch main body 31 having a built-in contact portion 35, a fan-shaped member 32 rotatably supported in the switch main body 31 and rotatably supported, and the fan-shaped member 32 always facing the outside of the switch main body 31. An elastic body 33 for elastically urging the switch body 31 and an arm 34 rotatably supported inside the switch body 31 are provided.

The switch body 31 has an opening through which the fan-shaped member 32 comes in and out.
311 is opened and the contact portion 35 is built in. The contact portion 35 is a portion for turning on / off an internal lamp or the like (not shown) for illuminating the inside of the refrigerator, and the first fixed contact 35.
The first and second fixed contacts 352 and the movable contact 353 located between the two fixed contacts 351 and 352 are provided. When the movable contact 353 comes into contact with the first fixed contact 351, an inside lamp (not shown) is turned on, and when it comes into contact with the second fixed contact 352, the inside lamp is turned off.

The fan-shaped member 32 is rotatably supported by a pin 321 as a rotation center inside the switch body 31 so that the fan-shaped member 32 can move in and out through an opening 311 of the switch body 31. A protrusion 322 is provided in the vicinity of the pin 321 of the fan-shaped member 32. Since the projection 322 is elastically urged by the elastic body 33, when the opening / closing door 20 is opened, the fan-shaped member 32 comes out from the opening 311 to the inside of the refrigerator.

Inside the switch body 31, the projection 322 of the fan-shaped member 32 is provided.
The arm 34 is rotatably supported at a position where it comes into contact with. This arm 34 is formed in a modified J-shape, and its tip portion 341 contacts the movable contact 353 of the contact portion 35,
The movable contact 353 and both fixed contacts 351 and 35 by the arm 34.
It comes in contact with 2.

The door switch 30 having such a structure is installed so that the flat surface portion 323 of the fan-shaped member 32 faces the opening side of the main body 10.

Next, the operation of the door switch of the double-open refrigerator described above will be described with reference to FIG. The door switch 30
Is embedded in the side wall 11 on the left side.

When the opening / closing door 20 is closed (see FIG. 3 (a)) When the opening / closing door 20 is closed, the overhanging portion 21 of the opening / closing door 20 is embedded in the side wall 11 of the fan-shaped member 32 of the door switch 30. Press to turn off the internal lamp (not shown). That is, the fan-shaped member 32 enters the inside of the switch body 31 against the elastic force of the elastic body 33, and the protrusion 322 of the fan-shaped member 32 presses the arm 34. Then, the arm 34 brings the movable contact 353 into contact with the second fixed contact 352.

When opening and closing the door 20 with the right side as a fulcrum (Fig. 3 (b))
reference).

The door switch 30 is embedded in the left side wall 11, so if you open the door 20 with the special metal fitting on the right as a fulcrum,
The contact between the overhanging portion 21 of 20 and the fan-shaped member 32 is released, and the fan-shaped member 32 jumps out to the inside of the refrigerator by the elastic body 33, and the movable contact 35.
At the same time when the contact between 3 and the second fixed contact 352 is released, the movable contact 353 comes into contact with the first fixed contact 351 and the internal lamp is turned on. Also, if you close the door 20 with the right side as a fulcrum,
The corners of the overhanging portion 21 press the flat surface portion 323 of the fan-shaped member 32, and the state shown in FIG. 3 (a) is reached, and the internal lamp is turned off.

When opening and closing the door 20 with the left side as a fulcrum (Fig. 3 (c)
reference).

When the opening / closing door 20 is opened with the special metal fitting on the left as a fulcrum, the contact between the overhanging portion 21 and the fan-shaped member 32 is released and the internal lamp is turned on, as described above. The same applies when closing the opening / closing door 20.

<Advantages of the Invention> Since the door switch of the double-open refrigerator according to the present invention has the above-described structure, even if the double-open refrigerator can be opened and closed from both left and right sides, a single door switch can be used to control the interior lamp. Etc. can be turned on and off. Therefore, it is possible to prevent the appearance of the switch from being exposed and the cost increase due to the use of the reed switch.

[Brief description of drawings]

FIG. 1 is a sectional view showing an internal structure of a door switch of a double-open refrigerator according to an embodiment of the present invention, and FIG. 2 is a schematic configuration diagram showing a refrigerator using the door switch of the double-open refrigerator, and FIG.
The figure is an explanatory view for explaining the operation of the door switch of the double-open refrigerator. 10 …… Main body, 11 …… Side wall, 20 …… Opening / closing door, 21 …… Overhanging part, 30 …… Door switch, 31 …… Switch main body, 32 ……
Fan-shaped member, 322 ... Protrusion, 33 ... Elastic body, 34 ... Arm, 35 ... Contact part.

Claims (1)

[Scope of utility model registration request] 1. A door switch of a double-open refrigerator, which is embedded in a side wall of a main body and is turned on and off by an opening / closing operation of an opening / closing door which is openably and closably supported from the left and right sides of the main body, the switch having a built-in contact portion. The main body, a fan-shaped member supported so as to freely move in and out of the switch main body, an elastic body for elastically urging the fan-shaped member toward the outside of the switch main body, and an arm rotatably supported inside the switch main body. And a door switch for a double-open refrigerator, wherein the arm turns on and off the contact portion according to the movement of the fan-shaped member.