JP2001271569A - Fire protective top-hinged swinging door apparatus, and muntin installing structure in door storage case entrance - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a fire protective top-hinged swinging door apparatus which is provided with a door storage case constituted of a building wall, includes a door end member attached to a door end of the top-hinged swinging door, and can prevent fire spreading by engaging with an engaging portion of a muntin arranged at an entrance of the door storage case when the top-hinged swinging door is closed, in the event of a fire, wherein the muntin does not hinder the door when it is hung from an upper rail. SOLUTION: The muntin 4 arranged at the entrance of the door storage case is screwed to the same, and when the top-hinged swinging door 1 is hung from the upper rail, hanging work can be carried out with the muntin 4 being removed from the entrance.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a fireproof type hanging door device having a door pocket constituted by a building wall and a mounting structure of a vertical rail attached to an entrance of the door pocket.

[0002]

2. Description of the Related Art FIG. 3 is a cross sectional view showing a general hanging door device having a door pocket 51. As shown in FIG. The door pocket 51 is provided with two panels 52, 5 installed at a predetermined interval.
2 if the hanging door 53 opens the frontage
Is stored in. The suspension door 53 is suspended from the upper rail and is slidable. A guide roller stands upright on the floor surface and fits into a guide groove at the lower end of the suspension door so that the suspension door 53 does not swing. .

By the way, in the hanging door device having such a structure, gaps 54, 54 are left between the hanging door 53 and the door pocket 51, and when a fire occurs, the gaps 54, 5 are formed.
Fire invades from 4 and spreads the fire in the next room. In addition, smoke flows from the gaps 54, 54, and the adjacent room is directly filled with smoke. On the other hand, the door pocket panel 52 and the hanging door 53 are warped and deformed by the heat at the time of fire, and the gap 54 is further enlarged.

[0004]

As described above, the conventional hanging door apparatus has the above-mentioned problems. The problem to be solved by the present invention is this problem, and in a hanging door device provided with a door pocket constituted by a building wall, it is possible to prevent a fire at the time of a fire from leaking from a gap between the hanging door and the door pocket and spreading the fire. Hanging door device,
In particular, the present invention provides a hanging door device and a vertical bar mounting structure characterized by a vertical bar mounting structure provided at a door pocket entrance.

[0005]

SUMMARY OF THE INVENTION In the event of a fire, the suspension door of the suspension door device can be closed by itself. For example, when a hanging door is hung on a slightly inclined upper rail, the hanging door in the fully open state is locked by a locking device so as not to close by the action of its own weight. , The solenoid operates, and the lock releases the hanging door. Therefore, the hanging door immediately closes the frontage, but if a large gap remains between the door and the door pocket in the closed state, fire leaks from this gap and the adjacent room spreads.

Therefore, in the present invention, a vertical bar is provided at the entrance of the door pocket so as to minimize the gap between the vertical bar and the hanging door. To the hanging door, attach a door butt member to the door butt,
When the hanging door is closed, the door butt member engages with the locking portion formed on the vertical rail, thereby minimizing a gap generated therebetween. In addition to simply preventing the gap, the meshing prevents the warp deformation due to the heat at the time of fire and suppresses the expansion of the gap.

On the other hand, the vertical rail provided at the door pocket entrance of the present invention is characterized in that it has a detachable mounting structure.
As shown in FIG. 3, this door pocket is not a structure for retrofitting a panel, but a door pocket provided on a part of a building wall. It cannot be hung. Therefore, a structure is adopted in which the vertical rail is attached after hanging doors are suspended from the upper rail. Of course,
Since there is no vertical bar, there is no hindrance to hanging the hanging door even if the door butt member is attached. Hereinafter, embodiments according to the present invention will be described in detail with reference to the drawings.

[0008]

1 is a cross-sectional view of a suspension door device according to the present invention, showing a case where the suspension door has a closed frontage. Hanging door 1
Has a paper core as a core, and a surface material is stuck on both sides, and a suspension wheel is attached to the upper end and is suspended from the upper rail. If the upper rail is slightly inclined,
The hanging door 1 pushed and opened by hand can be closed by itself by the action of its own weight.

Of course, if a self-closing device that can be pulled by a spring or the like is provided, automatic closing is possible without inclining the upper rail. And in the case of a semi-automatic hanging door device as described above, the hanging door pushed and opened by hand can be automatically closed, but it is necessary to keep it as it is when fully opened, for example, a plate It is possible to attach a locking member made of a spring or the like to lock the hanging door which is completely pushed open.

However, if a fire occurs in the open state, the hanging door must be closed to prevent the spread of fire, and a release device is provided to release the locked state. For example, if a hanging door device having a smoke detection function according to a patent application (Japanese Patent Application No. 11-242442) filed on August 30, 1999 by the applicant, smoke in a fire can be detected. The solenoid operates, and the locking device is automatically closed by releasing the hanging door by the release device.

FIG. 1 shows a case where the hanging door 1 of the hanging door apparatus of the present invention is closed. A door-butt member 2 having a U-shaped cross section is attached to the door ass of the hanging door 1. This door butt member 2 is a door pocket 3
Meshes with the vertical rails 4 and 4 provided at the entrance. That is, the vertical rail 4 has a locking portion 5 having an L-shaped cross section inside the door pocket, and the locking portion 5 is formed by bending a side end of the door end member 2 into an L shape. Piece 6 is fitted.

Here, the door pocket 3 of the hanging door device is not configured with a partition panel attached thereto, but is configured as a part of a building wall. A stud is set up in the back of the door pocket space, and panels 8, 8 having a gypsum board as a backing material are attached to the stud 7, and gypsum boards 9, 9 are attached to the panels 8, 8 in an overlapping manner. . Therefore, when hanging the hanging door 1 on the upper rail, the panel 8 and the gypsum board 9 cannot be disassembled, and the hanging door 1 must be inserted from the entrance of the door pocket 3 and hung.

[0013] However, as shown in the figure, since the door butt member 2 protruding from both sides is attached to the door butt of the hanging door 1, the vertical bars 4, 4 exist at the entrance of the door pocket 3. In this case, the hanging door 1 cannot be hung. Therefore, in the present invention, the vertical bar 4 has a detachable mounting structure,
After hanging, the vertical rails 4 and 4 can be attached. The overlapping panel 8 and the tip of the gypsum board 9 are L
A corner material 10 of a mold is attached, a vertical rail 4 is screwed to the corner material 10, and a joint material 12 covering the screw 11 is fitted in the recess.

When the hanging door 1 is closed, the vertical rail 4
The locking piece 6 of the door end member 2 meshes with the locking portion 5 formed at
It is possible to suppress the flame at the time of the fire from passing through the meshing gap between the locking portion 5 and the locking piece 6, thereby preventing the spread of fire in the adjacent room. Further, when the door sack 3 and the hanging door 1 are exposed to high heat due to a flame, the hanging door 1 and the door sack panel are warped and deformed by the heat. By being
This deformation can be prevented. That is, the structure is such that the gap is prevented from expanding due to the warpage deformation.

FIGS. 2A to 2C show specific examples of the vertical rail 4 attached to the entrance of the door pocket. In addition to these, various forms can be adopted, but a locking portion 5 having a substantially L-shaped cross section is formed inside the door pocket, and a locking piece 6 of the door end member 2 is formed on the locking portion 5.
Are fitted and can be engaged.

As described above, in the hanging door device of the present invention, the vertical bar having the locking portion formed inside is attached to the entrance of the door pocket so as to be detachable, and the locking protrusion protruding to both sides is attached to the door butt of the hanging door. When the hanging door is closed, the locking piece can be fitted and engaged with the locking portion when the hanging door is closed, and the following effects can be obtained. I can do it.

[0017]

A vertical bar is attached to the door pocket entrance of the present invention,
This vertical bar is detachable. And since the locking piece of the door butt member attached to the door butt of the hanging door can be fitted and meshed with the locking portion formed on this vertical rail, even if a fire occurs, flames will There is no leakage. Further, the invasion of smoke can be suppressed. Even if the hanging door or the door pocket panel is warped and deformed by the heat of a fire, the gap is not enlarged by the engagement of the locking portion and the locking piece, so that the leakage of the flame can be prevented. On the other hand, since the vertical rail has an attachment structure that can be removed with screws, etc., when hanging the hanging door on the upper rail, this is done with this vertical rail removed, and the work of hanging the hanging door is completed After that, the vertical rail can be attached.

[Brief description of the drawings]

FIG. 1 is a cross-sectional view showing a suspension door device of the present invention.

FIG. 2 is a specific example of a vertical rail attached to a door pocket entrance.

FIG. 3 shows a conventional hanging door device.

[Explanation of symbols]

 DESCRIPTION OF SYMBOLS 1 Hanging door 2 Door bottom member 3 Door pocket 4 Vertical bar 5 Locking part 6 Locking piece 7 Stud 8 Panel 9 Gypsum board 10 Corner material 11 Screw 12 Joint material

Claims (2)

[Claims] 1. A semi-automatic hanging door device having a door pocket constituted by an architectural wall and capable of closing a hanging door by itself when pushed open by hand, wherein a vertical bar is attached to and detached from an entrance of the door pocket by screwing. At the same time as being freely attached, the vertical rail is formed by projecting a locking portion having a substantially L-shaped cross section inside the door pocket, while a door butt member is attached to the door butt of the hanging door and is projected from both sides. Wherein the locking piece at the door end is fitted and meshed with the locking portion of the vertical bar when the hanging door is closed. 2. A door pocket made of an architectural wall, a vertical rail is attached to the entrance of the door pocket, and the vertical rail is roughly L inside the door pocket.
A vertical rail mounting structure provided at a door pocket entrance, wherein a locking section having a mold cross section is formed so as to protrude and is detachably mounted by screwing.