JPH06221045A - Door stopper - Google Patents

Abstract

PURPOSE:To prevent the direct collision of a door with the wall surface by embedding a first permanent magnet in the specified position of the door, and embedding a second permanent magnet of like poles to the first permanent magnet in the wall floor face, in the position opposed to the first permanent magnet. CONSTITUTION:A first permanent magnet 4a is embedded in the specified position of a door 3a (3b) closably fitted to a wall, and a second permanent magnet 4b of like poles to the first permanent magnet 4a is embedded in the wall floor face in such a way as to be opposed to the first permanent magnet 4a in the state of the door 3a (3b) being opened and placed in proximity to the wall surface 1. Accordingly, when the door 3a (3b) is opened and placed in proximity to the wall surface 1, both permanent magnets 4a, 4b are opposed, and resiliency acts to prevent the door 3a (3b) from colliding directly with the wall surface 1. The first permanent magnet 4a can be embedded in the bottom part of the door 3a (3b), and magnetic bodies 6... are embedded in the specified positions of the floor face on the rotating path A of the door 3a (3b). Attracting force between the permanent magnet 4a and the magnetic bodies 6 acts so as to stop the door 3a (3b) in the specified position.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a stopper for an opening door which utilizes the magnetic characteristics of a permanent magnet.

[0002]

2. Description of the Related Art A conventional hinged door rotates around a hinge, and if there is an obstacle such as a wall in the middle, a protrusion such as a knob collides with the wall. To prevent this, a door stopper with a rubber tip is attached to the wall surface, the floor surface, or the upper part of the door to prevent the door from directly colliding with the wall surface. Moreover, the conventional hinged door is designed to be automatically closed by a door hinge. Therefore, if you want to fix the door to the desired position, attach a door stopper with rubber at the tip to the bottom of the door, lower the door stopper when necessary and fix it by the friction force between the tip rubber part and the floor surface, Alternatively, there is a wedge between the door and the floor.

[0003]

However, the door stopper attached to the wall surface or the floor surface (wall floor surface) is a protrusion such as a rubber member, which is dangerous when a person is caught on it and also has a design problem. unsightly. In addition, the door stopper attached to fix the door at the desired position must lower the rubber member when fixing the door and raise it again when closing the door. It is troublesome to do the work. Furthermore, this rubber member is also unsightly in terms of design. Furthermore, the wedge method is troublesome and tends to eliminate the wedge.

Therefore, the present invention has been made in view of the above problems of the prior art, and an object thereof is to provide a door stopper which is safe and easy to operate, and which is not unsightly in terms of design. Especially.

[0005]

In order to achieve the above object, a door stopper of the present invention comprises a first permanent magnet embedded in a predetermined position of a door that is attached to a wall so as to be openable and closable, and a first permanent magnet. Second permanent magnet embedded in the floor of the wall so as to face the first permanent magnet when the door is open and close to the wall surface. The first permanent magnet is embedded in the bottom of the door, and a magnetic material is embedded at a predetermined position on the floor surface of the door on the rotation path so as to face the first permanent magnet. There is.

[0006]

In the present invention, the first permanent magnet is embedded in the predetermined position of the door, and the second permanent magnet having the same polarity as the first permanent magnet is embedded in the wall floor surface. By doing so, when the door is opened and brought into close proximity to the wall surface, the first permanent magnet and the second permanent magnet face each other and a repulsive force is exerted, so that the door directly collides with the wall surface. Prevent. further,
The first permanent magnet is embedded in the bottom of the door and the magnetic material is embedded in the floor. By doing so, the first permanent magnet and the magnetic body face each other and an attractive force is exerted, so that the door is fixed at a predetermined position on the floor surface. Furthermore, the permanent magnet for preventing the collision between the door and the wall surface, or the permanent magnet and the magnetic body for fixing the door to the floor surface are not embedded in the wall floor surface or the door and protrude outward. Since it does not exist, there is no danger of people being caught and it is not unsightly in terms of design. As described above, the present invention utilizes the magnetic characteristics of the permanent magnets embedded in the door and the floor of the wall to provide the door stopper function. That is, the repulsive force is used to prevent the door from colliding with the wall surface, and the suction force is used to fix the door at a predetermined position on the floor surface.

[0007]

Embodiments of the present invention will be described with reference to the drawings. Figure 1
FIG. 3 is a diagram showing an embodiment of the present invention. An opening door 3 with a knob 2 is attached to a predetermined position on the wall surface 1 so as to be openable and closable. The door 3 rotates about a hinge (not shown) along the rotation path A shown in FIG. 3a shows the door in the closed state, and 3b shows the door in the opened state and close to the wall surface 1. A permanent magnet 4a is embedded in the outer bottom portion of the door 3. Permanent magnet
It is composed of N poles and S poles, and either one of the magnetic poles is embedded in a state of facing outward.

The permanent magnet 4a is provided on the outside of the door 3 because the effect of preventing collision is higher when it is provided on the outside. In the embodiment of FIG. 1, the permanent magnet 4a is embedded with the N pole facing outward. On the other hand, a permanent magnet 4b is embedded in the lower outer portion of the wall surface 1 with the N pole facing outward. The permanent magnet 4b has the same polarity as the permanent magnet 4a embedded in the door 3. Also, the permanent magnet 4b
Is arranged so as to face the permanent magnet 4a when the door 3 is opened and brought into a state of being close to the wall surface 1.

Thus, the permanent magnet 4 is attached to the outer bottom of the door 3.
By embedding a into the outer lower part of the wall surface 1 with a, respectively, when the door 3 is opened and brought into a state close to the wall surface, the permanent magnet 4a and the permanent magnet 4b face each other and a repulsive force is exerted, and the door 3b. (Specifically, the knob 2) is prevented from directly colliding with the wall surface 1. In the embodiment of FIG. 1, the permanent magnets (4a, 4b) are embedded with the N pole facing outward.
The permanent magnets (4a, 4b) may be embedded with the poles facing outward. In short, between the opposing permanent magnets (4a, 4b)
It suffices if the repulsive force occurs.

A magnetic material 6 is embedded at a predetermined position on the floor surface 5 on the rotation path A of the door 3. This magnetic body 6
Is formed of a material such as iron that is attracted to a magnet, and is embedded in advance at a position necessary to fix the door 3. By thus embedding the permanent magnet 4a in the bottom portion of the door 3 and the magnetic body 6 at a predetermined position on the floor surface 5 on the rotation path A, the door 3 is located at a position where the permanent magnet 4a and the magnetic body 6 face each other. When the door 3 is opened up, as shown in FIG. 2, the attractive force acts between the permanent magnet 4a and the magnetic body 6, and the door 3 is fixed at a predetermined position on the floor surface 5. In the embodiment of FIG. 1, the magnetic body 6 is locally embedded on the rotation path A of the door 3, but by continuously embedding the magnetic body 6 along the rotation path A, the magnetic body 6 is appropriately placed at any position. The door 3 may be fixed.

Next, another embodiment of the present invention will be described with reference to FIG. In the embodiment of FIG. 1, the permanent magnet 4a embedded in the outer bottom of the door 3 and the permanent magnet 4b facing the permanent magnet 4b are embedded in the wall surface 1, but in the present embodiment, the opposing permanent magnet 4c is mounted on the floor surface 5. To embed. Door 3 like this
By embedding the permanent magnet 4a in the outer bottom portion of the and the permanent magnet 4c in the floor surface 5, respectively, when the door 3 is opened and brought into a state of being close to the wall surface, the permanent magnet 4a and the permanent magnet 4c face each other and the repulsive force is The working door 3b is prevented from directly colliding with the wall surface 1. Further, if the opposing permanent magnets 4C are embedded in the floor surface 1 as shown in FIG. 3 and the opposing permanent magnets 4b are also embedded in the wall surface 1 as shown in FIG. 1, a large repulsive force is obtained. It is possible to more effectively prevent the door 3b from directly colliding with the wall surface 1 by the action of.

In the above embodiment, the permanent magnet 4a is installed in the door 3
However, the present invention is not limited to this, and the permanent magnet 4a may be embedded in the upper portion of the door 3 or the door 3.
It may be embedded in the knob 2 of. In this case, the permanent magnet 4b
Are embedded in the opposing wall surface 1. Further, in the above-described embodiment, in order to improve the collision prevention effect, the permanent magnet 4a is used.
However, the present invention is not limited to this, and the permanent magnet 4a may be embedded inside the door 3. As described above, according to this embodiment, the permanent magnet 4 and the magnetic body 6 having the function of the door stopper are
Since it is housed inside the wall surface 1 and the floor surface 5, there is no risk of people being caught and it is safe, and it does not become unsightly in terms of design. Furthermore, since the function as a door stopper is provided by utilizing the repulsive force and the attractive force of the permanent magnet, it does not take time and effort to fix the door.

[0013]

According to the present invention, the first door is placed at a predetermined position on the door.
When the door is opened and brought into close proximity to the wall surface, the first permanent magnet is embedded by embedding the second permanent magnet having the same polarity as that of the first permanent magnet in the wall and the floor. It is possible to prevent the door from directly colliding with the wall surface due to the repulsive force acting between the second permanent magnet and the second permanent magnet. Further, by embedding a permanent magnet in the bottom of the door and embedding a magnetic material in the floor surface, an attractive force acts between the magnet and the magnetic material, and the door can be fixed at any position on the floor surface. Furthermore, the permanent magnet for preventing the collision between the door and the wall surface, or the permanent magnet and the magnetic body for fixing the door to the floor surface are not embedded in the wall floor surface or the door and protrude outward. Since it is not present, there is no danger of people being caught and it is possible to prevent the door stopper from being unsightly in terms of design.

[Brief description of drawings]

FIG. 1 is a plan view showing an embodiment of a door stopper of the present invention.

FIG. 2 is a diagram showing a positional relationship between a permanent magnet embedded in a door and a magnetic body embedded in a floor surface.

FIG. 3 is a view showing another embodiment of the door stopper of the present invention.

[Explanation of symbols]

 1 Wall surface 3 Door 4 Permanent magnet 5 Floor surface 6 Magnetic material A Door rotation path

Claims (2)

[Claims] 1. A first permanent magnet embedded in a predetermined position of a door openably and closably attached to a wall, and having the same polarity as that of the first permanent magnet and having the door opened and close to the wall surface. A door stopper comprising a first permanent magnet and a second permanent magnet embedded in a wall floor so as to face the first permanent magnet. 2. The first permanent magnet is embedded in a bottom portion of the door, and a magnetic material is provided at a predetermined position on a floor surface on a rotation path of the door so as to face the first permanent magnet. The door stopper according to claim 1, wherein the door stopper is embedded.