JPH08312214A - Locking device for furniture - Google Patents

Abstract

PURPOSE: To provide a locking device for furniture, which can easily lock and unlock a hinged door and a drawer of a furniture with an abutment of an unlocking body against the door and a front panel without inserting a key into a key hole. CONSTITUTION: A magnet 13 is provided in a turning body 5 of a main body 1, which is to be provided in a door of a furniture, in the condition that one pole thereof is directed outward, and an iron piece 11 is provided in a fitting plate 6 of the main body 1, and usually, when the magnet 13 is attracted to the iron piece 11, the turning body 5 is engaged with an engaging body 3, which is fitted to a side plate of a furniture, for locking. At the time of releasing the locking device, which an unlocking body 2, of which pole is as same as the one pole of the magnet 13 is directed to the abutment surface 18, and made to abut on the door, the turning body 5 is withdrawn into a box body 4 of the main body 1 for unlocking.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a locking device attached to an opening / closing portion of furniture.

[0002]

2. Description of the Related Art Detergents for kitchen utensils and knives used in the kitchen are placed in storage shelves and drawers under a sink, a cooking table, a gas table and the like. Generally, these storage shelves and drawers (hereinafter referred to as storage shelves) do not have keys attached, so that even small children can easily take out the contents, and children can swallow colorful detergent. However, the kitchen has become a very dangerous place due to injuries such as using a kitchen knife as a toy. Therefore, in a house with small children, it was necessary to attach keys to storage shelves.

[0003]

The conventional key, whether it is a padlock or an embedded lock, inserts a key into a keyhole and rotates the key to unlock it. After unlocking, the storage shelf or the like is opened. In that case, open it again with a handle such as a storage shelf. And after using detergent or kitchen knife, close the door and drawer,
In the padlock, the bent metal was dropped into the hole through the lock of the padlock, and in the embedded lock, it was necessary to perform a troublesome operation of inserting and rotating the key in the keyhole.

The detergent and kitchen knife in the kitchen are used many times a day, and it is very troublesome to perform the above-mentioned laborious work each time. Therefore, even if the key was used at the beginning, the key was not used at all times, and the kitchen returned to a dangerous state.

It is an object of the present invention to provide a furniture locking device that does not require a key to be inserted into a keyhole or a key to be replaced by a handle to open a door or drawer.

[0006]

The inventor of the present invention has found that two magnets are attracted to each other if they have different polarities of + and −, and + and +, − and −.
The present invention has been completed by focusing on the property of repulsing each other when approaching like-minded comrades.

According to the present invention, the main body has an opening on one side, and a supporting portion is formed below the end of the opening. A box body: substantially fan-shaped, and the main part of the fan is the supporting portion of the main body. A rotating body that is rotatably installed and has a magnet fixed with one pole facing outward at a location that becomes the inner side of the box when installed in the box; A mounting plate that is installed at a right angle to the opening of the box, and has an iron piece that is shorter than the thickness of the furniture to be installed and protrudes outward; In the unlocking body to be locked, a magnet is installed on the contact surface with the same pole as the magnet pole of the rotating body facing the contact surface, and the engaging body for engaging the rotating body of the main body is It is a furniture locking device characterized in that it has a reverse arcuate engagement portion that is substantially the same as the arc of the rotating body.

[0008]

1 is an exploded perspective view of a locking device according to the present invention, FIG.
4A to 4C are views for explaining a usage state of the locking device of the present invention.

A furniture locking device of the present invention (hereinafter, simply referred to as a locking device) is mounted on a main body 1 to be attached to a furniture door or a front plate of a drawer, an unlocking body 2, and a side plate of a furniture or an upper plate of a drawer. The engagement body 3 is a set.

Further, the main body 1 is composed of a box body 4, a rotating body 5 and a mounting plate 6.

The box body 4 has an opening 7 on one side, and bearing portions 8 are formed at the ends of the opening. This bearing is a bearing hole that receives the shaft. Further, flanges 9, 9 are formed adjacent to the opening 7 farther from the support portion 8, and a washer-like protrusion 10 ... Is formed with a hole in the center thereof. Further, linear iron pieces 11 and 11 are installed in parallel with the openings on both walls slightly below the opening 7.

The rotating body 5 has a substantially fan shape whose width is slightly narrower than that of the opening 7 of the main body, and a shaft 12 is formed at the center of the fan. The shaft can be rotatably installed in the hole of the support portion 8 of the box body 4. At the end of the rotating body, that is, at the back of the box when the rotating body 5 is installed in the box 4, the magnet 13 is fixed with one pole (for example, N pole) facing outward. ing.

The mounting plate 6 includes a plurality of protrusions 10 of the main body.
.., which have the same diameter as the protrusion, are formed at the portions corresponding to. Then, the rotating body 5 and the mounting plate 6 are attached to the box body 4 as indicated by a dotted arrow in FIG. 1, and the rod-shaped iron piece 15 is provided at a position facing the position of the magnet 13 when the rotating body 5 is extended outward from the opening 7. Is installed with one end facing outward.
The iron piece is covered with a cylindrical body 16 made of resin such as plastic.

The unlocking body 2 has a cylindrical shape and has a grip portion 17 having a large diameter at one end and a flat contact surface 18 at the other end, in which one pole is directed to the contact surface. The magnet 19 is embedded in. This one pole means the magnet 13 of the rotating body 5 described above.
Is the same pole (N pole) that is directed to the outside of the (N pole).

The engaging body 3 has an engaging portion 20 having a reverse circular arc which is substantially the same as the circular arc of the rotating body 5, and elongated mounting holes 21 and 21 are formed on both sides thereof.

When the locking device of the present invention is attached to a swing door type furniture, the main body 1 is attached to the door 22 and the engaging body 3 is attached after the main body is assembled with the box body, the rotating body and the mounting plate as shown in FIG. It is attached to the side plate 23 of the furniture.

The body 1 is attached to the door 22 by making a hole at a predetermined position of the door into which the cylindrical body 16 of the mounting plate 6 can be easily inserted, and inserting the cylindrical body 16 into the hole, and then the box body. It is fixed to the hole of the projecting part with a wood screw (not shown).

The engaging body 3 is attached to the side plate 23 so that the rotating body that has come out and the engaging portion 20 of the engaging body coincide with each other when the rotating body 5 of the main body 1 is in an outward state. It is fixed to the side plate 23 of the furniture through the elongated hole 21 with wood screws (not shown).

Next, locking and unlocking of the locking device of the present invention will be described. When the door is closed, the rotating body 5 is engaged with the engaging portion 20 of the engaging body 3 attached to the side plate 23 as shown in FIG. 2, and the locking device is in the locked state. At this time, the magnet 13 fixed to the rotating body 5 is pulled by the iron piece 15 of the mounting plate 6 or the iron pieces 11 and 11 installed on both walls of the box body 4 and is near the iron piece 15 and the iron pieces 11 and 11.

Then, in order to unlock the locked door, as shown in FIG.
As shown in FIG.
Abut on the embedded position. Then, since the magnet 19 having the N pole on the contact surface side is embedded in the contact surface of the unlocking body 2, the iron piece 15 receives the magnetic force and becomes a magnet, and the one closer to the unlocking body has the S pole and the rotation. The one closer to the moving body 5 becomes the north pole.

By the way, since the magnet 13 of the rotating body 5 has the N pole of the same pole as the contact surface of the unlocking body on the outside, it repels the N pole of the iron piece 15 which is magnetized by the magnetic force. , Rotating body 5
Rotates as indicated by arrow A. Then, the engaging portion 20 of the engaging body 3
The locking device is unlocked because the part that was engaged with retracts into the box 4.

As shown in FIG. 4, when the unlocking body 2 is pulled forward (in the direction of the arrow B), the iron piece 15 and the unlocking body 3 are attracted to each other by magnetic force, so that the door 22 does not need to have another handle. You can open it as it is.

When closing the opened door, the unlocking body is separated from the door. Then, the magnet of the rotating body is pulled by the iron piece of the mounting plate, and the rotating body comes out of the box body as shown in FIG. When the door is closed in this state, the rotating body hits the engaging portion of the engaging body attached to the side plate, and pushes the rotating body back into the box body against the magnetic force. Then, when the rotating body goes to the inner side of the engaging portion, the magnet is again attracted to the iron piece, goes out of the box body, engages with the engaging portion, and becomes the locked state.

[0024]

As described above, according to the locking device of the present invention, the lock is unlocked by simply pulling the unlocking body against the door, and the door is opened by pulling the unlocking body toward you. Since the door can be locked just by closing the open door, unlocking / locking is extremely easy, and the door cannot be opened without the unlocking body, so a small child cannot open the door.
Therefore, even if a dangerous detergent, a kitchen knife, or the like is put in the storage shelves or the like of the kitchen, the child cannot easily take them out, so that the child can be safely put in the kitchen.

[Brief description of drawings]

FIG. 1 is an exploded perspective view of a locking device according to the present invention.

FIG. 2 is a diagram illustrating a locked state of the locking device of the present invention.

FIG. 3 is a diagram illustrating an unlocking start state of the locking device of the present invention.

FIG. 4 is a diagram illustrating a state in which a door of furniture in which the locking device of the present invention is installed is opened.

[Explanation of symbols]

 DESCRIPTION OF SYMBOLS 1 Main body 2 Unlocking body 3 Engaging body 4 Box body 5 Rotating body 6 Mounting plate 7 Opening 8 Supporting portion 9 Flange 10 Washer-like protrusion 11 Iron piece 12 Shaft 13 Magnet 14 Hole 15 Iron piece 16 Cylindrical body 17 Gripping portion 18 Contact surface 19 Magnet 20 Engagement Part 21 Long Hole 22 Furniture Door 23 Furniture Side Plate

Claims (2)

[Claims] 1. A box body having a main body having an opening on one side and a support portion formed below the end of the opening: a substantially fan-shaped portion pivoting to the support portion of the main body. It has a rotating body that is freely installed, and has a magnet fixed with one pole facing outward at a location that will be the back of the box when installed in the box; , A mounting plate that is installed at a right angle to the opening of the box and has an iron piece that is shorter than the thickness of the furniture to be installed and that protrudes outward; and that unlocks the locked state of the main body. In the unlocking body, a magnet is installed on the contact surface with the same pole as the magnet pole of the rotating body facing the contact surface, and the engaging body that engages the rotating body of the main body is the rotating body. A locking device for furniture, characterized in that it has a reverse arc-shaped engaging portion that is substantially the same as the arc. 2. The furniture locking device according to claim 1, wherein an iron piece is installed near the opening of the box body.