JPH10184173A - Automatic half-open hinge - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide an automatic half-open hinge at low cost and smoothly operate it by integrally providing magnets with their same magnetic poles opposed to each other so as to repel each other and automatically opening to a half-opened state by the repulsion. SOLUTION: A half-open hinge T is provided with a hinge shaft 1, left/right two fitting plates 4, 5 whose shaft cylinder parts 2, 3 are loosely engaged with the hinge shaft 1 so as to be opened/closed freely, and magnets 6, 7 integrally embedded in the fitting plates. In this case, the left/right magnets 6, 7 are provided in joint faces 4', 5' sides which approach to each other, when the fitting plates 4, 5 are closed, in such a state that the same magnetic poles are opposed to each other so as to repel each other. This constitution simplifies a structure so as to facilitate manufacture, provides the hinge at low cost, and effectively exerts buffer action.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION The present invention relates to an automatic half-open hinge which automatically opens a hinge supporting a closed door when the door is unlocked, and brings the door to a half-open state. The present invention is characterized in that the repulsive force of magnets attached to two mounting plates supported on a hinge shaft so as to be openable and closable is used.

[0002]

2. Description of the Related Art A conventional automatic half-open hinge incorporates a coil spring between a hinge shaft and a shaft cylinder of a mounting plate, and uses a restoring force of the spring to half-open a door, or a hinge shaft. One of the mounting plates that fits into the shaft cylinder of the mounting plate is guided by a sloped cam that is inclined along the rotation direction, and the door that has been released from the latch is lowered by its own weight to make it half open. It is commercially available.

[0003]

However, in the former using the restoring force of the coil spring, a coil spring is fitted between the hinge shaft and the shaft cylinder of the mounting plate, and one end of the coil spring is attached to one of the mounting plates. And the other end needs to be spring-loaded to the hinge shaft or the other mounting plate, so that the structure becomes complicated and expensive.

[0004] On the other hand, the latter using a cam slope has the disadvantage that, in the case of a door that is frequently opened and closed, the mating face of the cam is worn, so that the durability is inferior. There is. In addition, there is a disadvantage that the opening operation of the door increases the resistance as much as the cam slope is raised.

[0005] Therefore, it is a problem to be solved that the hinge half-opening structure of this kind can be provided more simply and inexpensively, the durability can be increased, and the operation can be performed more smoothly. Was.

[0006]

SUMMARY OF THE INVENTION Accordingly, the present invention provides a method for connecting a hinge plate to a joint surface of two mounting plates which are hinged to be openable and closable.
The same magnetic poles face each other and magnets that repel each other are provided integrally, and the hinged door is automatically opened from a closed state to a half-open state by the repulsive force of the magnets. It provides an automatic half-open hinge.

[0007] Since the hinge of the present invention simply attaches magnets to the two mounting plates, the structure is simpler than that of any conventional half-open hinge and can be manufactured at low cost.
Further, the magnetic force of the attached magnet acts semipermanently, so that the magnet is highly durable. Furthermore, since the magnetic force acts only on the part near the end of the closing stroke, the effect on the opening and closing of the door is negligible, and the magnetic force suddenly reaches the strongest at the end of the closing stroke. With action.
The present invention has solved the above-mentioned problems as described above.

[0008]

DESCRIPTION OF THE PREFERRED EMBODIMENTS Embodiments of the present invention will be described below with reference to the drawings. As shown in FIG. 1, this half-open hinge T is a hinge shaft 1
And two left and right mounting plates 4 and 5 provided so as to be freely openable and closable with the shaft cylinder portions 2 and 3 alternately superimposed on the hinge shaft 1.
And two left and right magnets 6 and 7 buried in the two mounting plates 4 and 5 and integrally mounted.

The two right and left magnets 6 and 7 face the same magnetic pole on the joint surface 4'5 'that approaches when the two mounting plates 4 and 5 hinged to the hinge shaft 1 are closed. Are provided to repel each other.

The hinge T constructed as described above is used mainly for supporting a toilet door, like the above-mentioned conventional hinge. As shown in FIG.
The mounting plates 4 and 5 are screwed to the door D and the partition wall W, and the hinge T supports the door D. Then, when the door D locked by the latch R is unlocked as shown by the imaginary line in the figure, the door D released from the latch has the same magnetic pole approached when closed as shown by the solid line in the figure. The magnets 6 and 7 are automatically opened halfway by the repulsive force. When the door D is closed from the open position, the door D is automatically kept in a half-open state unless the latch R is engaged.

According to the hinge T used as described above, when the door D is closed, the toilet is in use, and when the door D is half-open, it is possible to visually recognize that the toilet is empty. In addition, there is no need to additionally provide a display mechanism for displaying the use or empty space on the front side of the door.

The range of the magnetic force of the hinge T is 2
Only when the joining surfaces 4'5 'of the mounting plates 4 and 5 are close to each other, the influence on the opening and closing operation of the door D can be almost ignored, and when the door D is closed roughly. Is
At the end of the closing stroke, the repulsive force of the magnets 6, 7 which becomes sharply strong can exert a buffering action.

Although the present invention is extremely useful for a toilet door as described above, it is not particularly limited to its use. Needless to say, the design of the hinge structure, the form of the magnet, the strength of the magnetic force, and the like can be appropriately changed in accordance with the gist of the present invention.

[0014]

As described above, according to the present invention, the door is opened halfway by utilizing the repulsive force of two magnets integrally attached to two mounting plates with the same magnetic poles facing each other. Compared with a conventional hinge of this type, the structure is extremely simple, the manufacture is easy, and the hinge can be provided at low cost.

Further, the magnet attached to the hinge has a semi-permanent magnetic force, so that the durability of the automatic half-open hinge is improved, and the effect on the opening and closing operation of the door by attaching the automatic half-open hinge is very small and easy to use. In addition, the buffering action can be very effectively performed. The present invention has excellent effects as described above.

[Brief description of the drawings]

FIG. 1 is a perspective view showing an embodiment of the present invention in a half-open state.

FIG. 2 is a partially cutaway plan view illustrating a use state of the embodiment.

[Description of Signs] T Hinge 1 Hinge shaft 2 Shaft barrel 3 Shaft barrel 4 Mounting plate 4 'Joint surface 5 Mounting plate 5' Joint surface 6 Magnet 7 Magnet D Door W Partition wall R Latch

Claims (1)

[Claims] 1. A door to which said hinge is mounted, wherein magnets which oppose each other with the same magnetic pole facing each other are integrally provided on a joint surface of two mounting plates hinged to a hinge shaft so as to be openable and closable. An automatic half-open hinge characterized in that it is automatically opened from a closed state to a half-open state by a repulsive force of a magnet.