JP2000120324A - Return mechanism mounting device for sliding door - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a mounting mechanism for a constant load spring for making a door easily open in emergency. SOLUTION: For a sliding door wherein a rail is installed above a door 10 and the door is movably hung and supported on the rail, a bracket 25 mounted with a constant load spring 22 is arranged above the door 10, the bracket 25 is pivotally mounted on one of hanging and supporting members 11 for hanging and supporting the door 10 and the end of the constant load spring 22 is secured to the end of the rail.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a slide door return mechanism mounting device.

[0002]

2. Description of the Related Art Conventionally, a return mechanism for a door of a toilet booth of a curved door type has been disclosed in Japanese Patent Application No. 9-297498 (Japanese Unexamined Patent Publication No. Hei. Was attached directly to the upper end of the.

[0003]

In this conventional mounting method, when the closed door is rotated outward in an emergency to be opened, in addition to the hanging member on the door stop side, a constant load spring is also used. Must be removed from the device, which is troublesome.

[0004] The present invention solves the above-mentioned problems,
It is an object of the present invention to provide a mechanism for mounting a constant load spring so that the door can be easily opened.

[0005]

According to the present invention, the above-mentioned problem is solved as follows. (1) A rail is installed above the door, and a bracket on which a constant load spring serving as a return mechanism of the door is mounted is disposed above the door in a slide door that movably suspends the door on the rail. The bracket is attached to one of the suspension members for suspending the door, and an end of the constant load spring is fixed to an end of the rail.

(2) In the above item (1), the rail is formed in an arc shape, and the door is formed in an arc shape along the rail, and at the upper end of the door, a plurality of suspension members moving in the rail are provided. Attach the bracket to which the fixed load spring is attached so that it can rotate around the suspension support shaft.

(3) In the above item (1) or (2), the suspension member closest to the door storage portion when opened can be rotated around the suspension shaft with respect to the door, and the constant load spring can be used. The bracket to which is attached is mounted so as to be rotatable around the suspension support shaft, and further, other suspension support members are detachably attached to the door.

[0008]

1 to 5 show an embodiment in which the return mechanism mounting device of the present invention is applied to a hanging arc-shaped door in a toilet. This example shows a semi-circular door
(10) is of a type that is automatically moved to its open position at all times.

As shown in FIG. 1, each of the two toilets arranged side by side is separated by a side wall (1) and a rear wall (2) on both sides, the front is largely open, and the front opening (3) is opened. )
It has become.

The front opening (3) has a left side wall in FIG.
Front plate extending from the front end of (1) toward the right side wall (1)
(4) is attached to the left side wall (1). From the front end of the right side wall (1), a narrow front plate (4a) extending in the direction of the left side wall (1) is attached to the right side wall (1). The front plate (4a) is an extension of the front plate (4) between the toilets.

At the upper part of the left side wall (1), an arc-shaped storage rail (5a) pointing in the front-rear direction is provided at the upper end of the front plate (4) by a support bracket (6). It is mounted horizontally by the support bracket (13).

At the upper end of the front plates (4) and (4a), support brackets (6)
By (14), an arc-shaped horizontal partition rail (5b) having the same curvature as the storage rail (5a) is stretched. Storage rail (5
a) and the partition rail (5b) have the same center, and form a substantially semicircle continuously.

A semicircular rail (5) formed by the storage rail (5a) and the partition rail (5b) has two suspension members.
A plate-like door (10) having substantially the same curvature as that of the rail (5) (see FIGS. 2 to 5) is suspended via the rail (11).
As shown in FIG. 1, the two suspension members (11) are disposed near the left and right ends of the upper end of the door (10).

As also shown in FIG. 1, the door (10) has an approximately 1/4 arc shape and is long enough to cover the front opening (3). The toilet on the left side of FIG.
0) is open ("empty" state), and the toilet on the right shows a state where the door (10) closes or closes the front opening (3) ("in use" state).

On the right side of the suspension member (11) at the left end, a winding drum (20) called a conston spring is used as a winding device.
Further, there is provided a uniaxial constant load spring (22) in which a thin plate-shaped or band-shaped winding spring (21) is wound in a spiral manner.

The shaft (24) of the constant load spring (22) is erected on one end of a horizontal plate-shaped bracket (25), and is provided on the winding drum (2).
0) is rotatably supported.

As shown in FIG. 2, the end of the coil spring (21) of the constant load spring (22) is separated from the coil drum (20) which is supported in a vertically free position. It is pulled out along the inner side surfaces of the rails (5a) (5b) and is fixed to the end of the storage rail (5a) by bolts (23).

At the other end of the bracket (25), a hanging support member (1
A hole (27) for rotatably fitting the suspension support shaft (26) of 1) is formed, and the suspension support shaft (26) penetrating the hole (27) is provided on the top surface of the door (10). It is screwed into the embedded and fixed support member. By rotating the nut member (28), the hanging support shaft (26) can adjust the exposed length or can be removed from the door (10). The bracket (25) is located below the rail (5) and at the door
It is arranged above (10).

(16) is a stopper with a coil spring, which is mounted in the storage rail (5a), and the coil spring collides with a suspension member (11) having two pairs of running wheels with a buffering action. Then, the movement of the door (10) is stopped.

With this configuration, as the door (10) is pulled out of the storage position to the closed position, the winding drum (20) of the constant load spring (22) rotates while the winding spring (2) is rotated.
1) is pulled out and deployed closely to the inner surface of the rails (5a) (5b).

When the movement of the door (10) is further advanced, the suspension member (11) on the door end collides with a stopper (not shown) (16) and stops, and the door is fully closed. (10) can be locked.

When the door (10) is unlocked from its fully closed state, that is, the locked state at the closed position, the door (10) is automatically fully opened by the force of the constant load and constant torque of the winding spring (21). That is, it is returned to the storage position.

In an emergency when the toilet user becomes ill during use of the toilet, it is necessary to open the door (10) from the outside, but there is an obstacle such as luggage in the door storage position, Even if the lock is removed from inside the toilet, the door (10) may not be able to be pulled into the normal storage position.

In this case, as shown in FIG. 5, the suspension shaft (26) on the door stop side, that is, on the right side of the drawing, is connected to the nut member (28).
By turning the door, remove it from the door (10),
Is pulled out to the front side as shown by an arrow in FIG. The door (10), as shown by the imaginary line,
The left traveling device is pivoted forward about the suspension shaft (26) of the traveling device and is opened. At this time, the constant load spring (22)
Is attached to the bracket (25) and not attached to the door (10), so that the door (10) does not hinder the frontward rotation.

In the above embodiment, the storage rail (5
Although a) is shown as an arc shape, the storage rail (5a) is linear, and the door (10) has a circular arc shape with a shallow cross section, and a plurality of long plate members long in the vertical direction are connected to bendable. It can also be.

Another embodiment shown in FIG.
The present invention is applied to a linear door (10) suspended from two linear support members (11) from a linear rail (5).

Also in this embodiment, the constant load spring (22)
Has its shaft (24) erected at one end of a bracket (25), and the other end of the bracket (25) is connected to a suspension member (1
It is suspended on the suspension shaft (26) of 1).

With such a configuration, also in this case, the suspension member (11) on the door stop side is removed from the door (10), and
When the door stop side (right side) of the door (10) is pushed into the back side, the door (10) turns around the suspension support member (11) on the storage side (left side) as the center and can be opened emergency. it can.

In the first and second embodiments,
Even if the bracket (25) is attached so as to be fixed to the suspension support shafts (26) and (28), and the suspension support shafts (26) and (28) are attached so as to be rotatable with respect to the door (10), the door ( 10) can be released very similarly to the above.

[0030]

According to the first aspect of the present invention, since it is not necessary to directly attach the constant load spring to the door, the work of assembling to the rail is simplified, and the processing of the door is reduced.
Cost reduction. Also, when opening the door,
If one of the suspension members is detached from the door, the door can be pivoted about the other suspension member and easily opened in an emergency. At this time, the constant load spring is used for the one of the suspension members. Since it can be left in the rail together with the material, it is not necessary to remove the constant load spring from the door as in the prior art, and the operation is simplified.

According to the second aspect of the present invention, even if the rails and the constant load spring are disturbed or distorted due to various errors during construction, the bracket to which the constant load spring is attached can be connected to one of the suspensions. It can freely rotate around the support member, absorb the above-mentioned disorder and distortion, move automatically to an appropriate position, and prevent the occurrence of contact noise and the like.

According to the third aspect of the present invention, the other of the suspension members is separated from the door while leaving the suspension member to which the bracket is rotatably mounted, so that the door is centered on the suspension member with the bracket. The emergency opening can be easily performed by turning the door, and the constant load spring does not prevent the door from turning.

[Brief description of the drawings]

FIG. 1 is a plan view of two toilets provided with a first embodiment of the present invention side by side.

FIG. 2 is an enlarged sectional view taken along line II-II of FIG.

FIG. 3 is a partially enlarged perspective view showing details around a suspension support member and a constant load spring.

FIG. 4 is a sectional view taken along line IV-IV in FIG. 2;

FIG. 5 is a perspective view of a door and a rail for explaining a situation in which the first embodiment is emergency opened.

FIG. 6 is a front view of a second embodiment of the present invention, in which a rail is shown in a vertical section.

[Explanation of symbols]

 (1) Side wall (2) Rear wall (3) Front opening (4) (4a) Front panel (5) Rail (5a) Storage rail (5b) Partition rail (6) Support bracket (10) Door (11) Hanging Support member (13) (14) Support bracket (16) Stopper (20) Winding drum (21) Winding spring (22) Constant load spring (23) Bolt (24) Shaft (25) Bracket (26) Suspension shaft ( 27) Hole (28) Nut member

Claims (3)

[Claims] 1. A slide door in which a rail is installed above a door and the door is movably suspended from the rail, and a bracket on which a constant load spring forming a return mechanism of the door is attached is mounted above the door. A sliding door, wherein the bracket is attached to one of suspension members for suspending the door, and an end of the constant load spring is fixed to an end of the rail. Mechanism mounting device. 2. The rail has an arc shape, and the door has an arc shape along the rail.
2. The slide door return mechanism mounting device according to claim 1, wherein a plurality of suspension members moving in the rail are attached, and a bracket to which a constant load spring is attached is attached so as to be rotatable around the suspension shaft. 3. A hanging support member closest to the door storage portion when opened is rotatable around the hanging support shaft with respect to the door, and a bracket with a constant load spring is rotatable around the hanging support shaft. 3. The return mechanism mounting device for a slide door according to claim 1, wherein the other hanging support member is detachably mounted on the door.