JP2000192708A - Device for keeping self-closing sliding door fully open - Google Patents

Abstract

PROBLEM TO BE SOLVED: To allow inspection and adjustment of a full opening keeping device used with a self-closing sliding door having a door body stored in a wall. SOLUTION: In a self-closing sliding door having a door body 1 which is withdrawn and stored in a wall when an opening is open, a full opening keeping device 16 which keeps the door body 1 in a full open position is mounted on a sliding door frame 5 provided with an inspection cover on its front face above the opening A, and a tool 17 to be held is provided above the door-end unwithdrawn part 1' of the door body 1. Thus, the full opening keeping device can be inspected and adjusted by opening the inspection cover.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a self-closing sliding door fully-open holding device for retracting a door body into a wall when an opening is opened.

[0002]

2. Description of the Related Art Conventionally, in a self-closing sliding door which is automatically closed by an automatic closing mechanism when the door is opened by hand, it is desired that the door be stopped at a fully open position, for example, when carrying luggage. There has been a demand, and a fully-open holding device that holds the door body at a fully-open position for a predetermined time (or until a predetermined or more external force (human operation) is applied in the closing direction) has been adopted. In addition, in these fully-open holding devices, the held object provided on the door body is attached to a position corresponding to the upper end of the door body (an inner portion of the door pocket portion) because it is provided above the end of the door body. In order to inspect and adjust the fully-open holding device, the inspection panel was not removed.

[0003]

However, in recent years, an inspection panel has not been provided in the storage portion of the door body, but the surface of the door pocket portion storing the door body has been finished with the same wall material as the surrounding wall surface. A self-closing type sliding door that accommodates the door body in the wall has been adopted, and with the conventional structure in which the fully open holding device is provided at the back of the door pocket, adjustment and inspection of the fully open holding device cannot be performed. there were.

SUMMARY OF THE INVENTION The present invention has been made to solve the above problems. In a self-closing sliding door which retracts a door body into a wall when an opening is opened, an inspection panel or a dedicated inspection opening is provided in a door pocket portion. It is an object of the present invention to provide a fully-open holding device for a self-closing sliding door that can check and adjust the fully-open holding device without the need.

[0005]

Means for Solving the Problems To solve the above-mentioned problems, a technical means adopted by the present invention is a self-closing sliding door which retracts a door body into a wall when an opening is opened, and holds the door body in a fully open position. In order to provide the fully open holding device to be held in the sliding door frame, the holding device is attached to a portion having an inspection cover on the front above the opening, and the held tool is provided above the door-end-side remaining portion of the door body. It is assumed that.

[0006]

DESCRIPTION OF THE PREFERRED EMBODIMENTS Embodiments of the present invention will be described below with reference to FIGS. FIG. 1 is an overall front view of the self-closing sliding door, and FIG. 2 is a longitudinal sectional view of the self-closing sliding door when the door body is in a fully open position. The self-closing sliding door has a door 1 that opens and closes an opening A. A hanger rail 2 for hanging the door body 1 so as to be able to travel freely, and a door pocket portion (a space for retracting and storing the door body when the opening portion is opened) to which the hanger rail 2 is attached and which is inside the opening A and the wall surface. The opening A is opened and closed as the door body 1 travels along the hanger rail 2. The door 1 is hung freely on a hanger rail 2 by hanger rollers 11 provided at an upper portion thereof, and a lower end thereof is guided by an unshown anti-sway roller fixed to a floor surface.

The sliding door frame 5 is erected at the door end side vertical frame 7 and the door bottom side vertical frame 8 erected on the left and right sides of the opening A, and at the innermost part (right end in FIG. 1) of the door pocket. It comprises a vertical frame 9 in the wall and an upper frame 6 connecting these upper parts, and the whole is formed in a substantially E-shape that opens downward. The upper frame 6 has a horizontal side 6a.
The vertical side 6b is formed in a substantially inverted L-shape in cross section, and the hanger rail 2 and a fully-open holding device 16 described later are attached to the vertical side 6b. A detachable inspection cover 15 is attached above the opening A (between the vertical frame 7 on the front end side and the vertical frame 8 on the bottom side of the door) at a position facing the vertical side 6b (front side in the expected direction). I have.

The wall surface around the self-closing sliding door is a partition wall called a so-called light iron partition, and a wall material (gypsum board) K is provided on both sides of a stud material (not shown) erected between the floor and the ceiling. The front and rear surfaces (in the expected direction) of the door pocket portion of the self-closing sliding door and the rear surface of the vertical side 6b above the opening A are also finished with the wall material K in the same manner as the surrounding wall surface, It has a structure that cannot inspect the inside.

The hanger rail 2 includes a rail support 21 having a substantially U-shaped cross section and a rail body 22 having a substantially J-shaped cross section fixed to a vertical surface of the rail support 21. It is inserted into the metal fitting 4 fixed to the vertical side 6b and locked, and a portion on the door end side above the opening A (a portion where the inspection cover 15 can be removed and workable) is screwed with a screw. It is attached to the vertical surface 6b. The hanger rail 2 is not attached with a screw or the like in a wall that is not accessible from the opening when the opening A and the inspection cover 15 are removed, and only the door end side end is inserted into the metal fitting 4. With the structure, it is possible to remove just by pulling the whole to the door end side without removing the screw at the door side side.

In the hanger rail 2, the rail body 22 is attached to the rail receiving stand 21 such that the door body side is high and the door tip side is low and the whole is inclined in the length direction.
Has a structure which is automatically closed by the inclination of the rail body 22 and the weight of the door body 1.

Reference numeral 16 denotes a fully-open holding device 16, which comprises a device body 16a and a tongue-shaped leaf spring piece 16b, and a roller member 17b of a held member 17 attached to the door end side of the door 1 described later. Is held in contact with the inclined surface 16d of the leaf spring piece 16b to hold the door 1 at the fully open position. The full-open holding device 16 has an opening A
Above the inspection door (between the vertical frame 7 on the front side of the door and the vertical frame 8 on the side of the door), and on the sliding door frame 5 (in detail, the upper frame 6) Attached to the vertical side 6b). Further, the device body 16a has a built-in electromagnetic solenoid mechanism (not shown) electrically connected by a wiring cord 16c from a fire alarm device (not shown) installed in the building. When the electromagnetic solenoid is actuated in response to the signal, the leaf spring piece 16b is moved upward, the locking of the held member 17 is released, and the door 1 is automatically closed.

Further, the wiring cord 16c is drawn into the sliding door frame 5 from the fire alarm system through an electric pipe provided in the building frame, and further through a piping hole (not shown) formed in the vertical frame 7 on the side of the door. Connected to the fully open holding device 16. Here, it is conceivable to attach the full-open holding device 16 to the back of the door pocket (the end of the hanger rail 2 on the side of the door) as in the related art using the detachable hanger rail 2. Wiring cord 16c when removing
Therefore, it cannot be adopted in a fully-open holding device having a wiring cord as in the present embodiment.

The above-mentioned held member 17 includes a mounting plate 17a having a substantially inverted L-shaped cross section and a roller body 1 fixed to the upper side of the mounting plate.
The roller body 17b is attached to the door body 1 so as to be in contact with the inclined surface 16d when fully opened. Specifically, it is attached using the door-side hanger roller 11 above the door-side left-over portion 1 ′ that is left behind in the opening A when the door 1 is fully opened on the door-side side of the door body 1. At least when the door body 1 is fully opened, it is necessary to mount the roller body 17b such that the roller body 17b is located closer to the door end than the inclined surface 17d.

Further, a braking device 80 is attached to the door 1, and a pinion gear 81 supported by the braking device 80 is provided.
And an open / closed rack body 8 provided on the hanger rail 2.
The meshing of the doors 2 and 83 applies a braking force to the running of the door body 1 in the vicinity of the fully opened and fully closed positions, thereby reducing the collision sound between the door body 1 and the sliding door frame 5.

The self-closing sliding door according to the present embodiment is a so-called inclined rail system in which the sliding door is automatically closed by utilizing the inclination of the hanger rail and the weight of the door body. The present invention is not limited to this. For example, a self-closing device that urges the door body in the closing direction using a spring may be used.

[0016]

According to the first aspect of the present invention, in a self-closing sliding door that retracts a door body into a wall when the opening is opened and holds the door body at a fully open position, a sliding door frame is provided. In addition to the above, the inspection tool is attached to a portion having an inspection cover on the front surface above the opening, and the held object is provided above the left-end portion of the door body, so that the inspection cover is opened. Can be checked and adjusted.

[Brief description of the drawings]

FIG. 1 is an overall front view of a self-closing sliding door.

FIG. 2 is a longitudinal sectional view of the self-closing sliding door when the door body is at a fully open position.

[Explanation of symbols]

 DESCRIPTION OF SYMBOLS 1 Door body 1 'Remaining part 2 Hanger rail 5 Sliding door frame 16 Fully open holding device 17 Holder A Opening

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[Procedure amendment]

[Submission date] November 1, 1999 (1999.11.
1)

[Procedure amendment 1]

[Document name to be amended] Statement

[Correction target item name] Claims

[Correction method] Change

[Correction contents]

[Claims]

[Procedure amendment 2]

[Document name to be amended] Statement

[Correction target item name] 0005

[Correction method] Change

[Correction contents]

[0005]

The technical means adopted by the present invention to solve the above-mentioned problems is a self-closing sliding door which retracts a door body into a door pocket in a wall when the opening is opened, An upper frame is set up from above the door
An inspection cover at the front of the upper frame above the opening.
Hanger rail for hanging the door body on the upper frame
At the upper part of the door pocket to the metal fittings fixed to the upper frame.
Locks the side end, and is screwed to the upper frame above the opening
By doing so, it is possible to attach and remove
Constantly holds the fully open position of the door body, and, distribution in the case of fire
Electric signal from fire alarm system sent through wire cord
The holding device for releasing the holding of the door body is installed on the upper frame above the opening by being positioned above the hanger rail, and the held object is attached above the door-end-side remaining portion of the door body. It is characterized by the following.

[Procedure amendment 3]

[Document name to be amended] Statement

[Correction target item name] 0016

[Correction method] Change

[Correction contents]

[0016]

According to the first aspect of the present invention, there is provided a self-closing sliding door for retracting a door body into a door pocket portion in a wall when the opening portion is opened, wherein the door body is located above the opening portion and above the door pocket portion in the wall. Straddling
An upper frame, and a point is provided at a position above the opening on the front surface of the upper frame.
C) a detection cover is provided, and
The anchor rail is fixed to the upper frame at the part above the door pocket.
The front end of the door is locked to the bracket, and the top of the opening is
Can be removed during maintenance by screwing to the frame
, And normally holds the door in the fully open position, and
In case of fire, is it a fire alarm that is sent through a wiring code?
The fully open holding device for releasing the holding of the door body by the electric signal is placed on the upper frame above the opening above the hanger rail.
The holding tool is mounted above the left-end portion of the door body, so that the inspection cover can be opened to inspect and adjust the full-solution holding device. In addition,
When removing the hanger rail during maintenance,
The wiring cord and the like of the open holding device do not get in the way.

Claims (1)

[Claims] In a self-closing sliding door that retracts a door body into a wall when the opening is opened and houses the door body in a fully open position on a sliding door frame, the door frame is provided with a front opening above the opening. A self-closing sliding door full-open holding device, wherein the device is attached to a portion having an inspection cover, and the held object is attached above a left-end portion of the door body.