JP3144361U - Simultaneous shutter closing device for both sleeve doors for evacuation - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide sleeve doors having evacuation doors on both right and left sides centering on a shutter 3 for partitioning air conditioning when a flame is generated inside a building, the sleeve doors on both sides are interlocked open and closed, and the shutters are automatically operated. Provided is a shutter closing device that guides and descends to facilitate fire prevention, smoke prevention and evacuation.
A sleeve door provided with an evacuation door is provided on the side walls that are the left and right passages facing each other. On the upper part of the sleeve door, a door automatic closing device and a limit switch that are activated by receiving smoke from the left and right simultaneously are installed. Further, the sleeve door is provided with a guide rail in the vertical direction of each open tip and a lock on the top and bottom. The shutter case 15 is internally connected with a take-up shaft and an automatic shutter closing device linked to the limit switch, and the automatic shutter closing device is provided with a switch for releasing the brake.
[Selection] Figure 1

Description

  The present invention is linked with the sleeve doors, which are the left and right evacuation doors centered on the shutter that divides the air conditioner when a flame occurs in the indoor passage of the building. The present invention relates to a simultaneous interlocking shutter closing device for both sleeve doors for evacuation, which allows people evacuating and fire extinguishing workers to pass quickly, safely and easily.

Conventional sleeve doors having this type of evacuation door are generally known, for example, those that are pulled out from the side when the shutter is closed, or those that can be opened and closed vertically by hinges on the front and side walls of the evacuation door. It has been.
Further, in recent years, it has been known that the shutter is lowered and closed by rotating and closing the sleeve door with the same size evacuation door on only one side of the shutter in the vertical direction.

In the former, the former opening that becomes the passageway has a lowering of the shutter, and the one that pulls out the sleeve door from the side is troublesome to set up the fixed pillar and the space remains in the space because the fixed pillar remains in the passageway. And the evacuation door is opened and closed vertically by hinges provided on the upper and lower sides of the side wall, the evacuation door requires time and fire protection personnel for manual operation, and because of the gap between the slat and the sleeve door There is a problem that cannot play the role of smoke prevention.
In addition, in recent years, with a sleeve door with an evacuation door only on one longitudinal side of the shutter, there is only one evacuation entrance, so it is very useful as a passage for many people evacuating and transporting goods. There is a problem that it is narrow and time consuming and very inconvenient.
The present invention is a solution to the conventional technology. Both sleeve doors with evacuation doors of the same size as the shutter's vertical length are installed on both sides of the shutter. When the fire breaks out, the space such as the passage in the building is partitioned to completely prevent the leakage of fire smoke, and the two evacuation doors provided on the sleeve doors on both sides of the shutter. It can be used for easy evacuation, and the two evacuation doors can significantly shorten the evacuation time. Further, the present invention provides a convenient simultaneous shutter closing device for both sleeve doors for evacuation in which the passage and amount of traffic between the fire side and the non-fire side of the shutter can be freely adjusted.

In order to achieve the above object, the present invention is intended to provide a sleeve door provided with evacuation doors on left and right side walls of a structure.
A shutter is attached freely between the sleeve door and the sleeve door.
The sleeve doors are each provided with an automatic door closing device that operates by receiving fire smoke simultaneously on the left and right sides. Further, both sleeve doors are provided with guide rails for guiding both sides of the shutter in the longitudinal direction of the open tip, and upper and lower locks are provided vertically. Furthermore, a limit switch and an upper shutter case are disposed on the sleeve door closing upper frame. The shutter case is internally connected with a take-up shaft and a shutter automatic closing device linked to the limit switch, and the shutter automatic closing device is provided with a switch for releasing the brake.

According to the simultaneous shutter closing device for both sleeve doors for evacuation of the present invention, since the sleeve door provided with the evacuation doors opposed to the two places on both sides of the shutter is installed, only one side of this type of conventional opening / closing shutter is provided. Compared with evacuation sleeve doors, there are two evacuation passages on the left and right sides in the event of a fire or emergency, so the evacuation time can be significantly reduced and congestion during evacuation can be reduced. Depending on the effects to be solved and the sleeve doors provided on both sides of the shutter, one sleeve door can be opened to the fire side and the other sleeve door can be opened to the other non-fire side, so the evacuation passage is for evacuation And there is a convenient effect that it can be freely selected for fire extinguishing work.
Furthermore, in the event of a fire, the automatic door closing device is activated by fire smoke, and the sleeve doors with the guide rails on the left and right are securely rotated and closed and locked with the upper and lower locks. There is an effect that can be lowered and fully closed.
In addition, the limit switches provided on the upper part of the sleeve doors are provided on the left and right, with the effect that the brakes of the switch are surely released in conjunction with the automatic shutter closing device in the shutter storage case simultaneously with the sleeve door closing. The upper part of the sleeve door also has an excellent safety effect that allows installation of building facilities such as piping and ducts as a ceiling space.

  In the present invention, when a fire breaks out, the automatic door closing device (13) provided in the upper frame of the left and right sleeve doors that receives the fire smoke at the top first receives the fire signal and the evacuation door (2) When the sleeve door (1) is actuated to rotate and close, the upper locks (11) of the left and right sleeve doors (1) are actuated to send a signal to the automatic shutter closing device (17), and the brake of the switch (18) is released. Canceled. Then, the shutter (3) starts the weight drop and completely closes the guide rails (7) of the left and right sleeve doors (1). The lower lock (12) is fixed to the lower portion of the rod (27) by lowering the weight of the shutter (3) and the seat plate (19) and the spring (28). Evacuate safely by freely opening and closing (2).

Referring to the drawings, an embodiment of the present invention will be described. FIG. 1 shows a front view of a simultaneous interlocking shutter closing device for both sleeve doors for evacuation, at the left and right positions of the corresponding side walls (5) and (5). Sleeve doors (1) and (1) provided with evacuation doors (2) and (2) serving as entrances and exits are provided. The sleeve doors (1) (1) are formed in a vertically long dimension up to the height of the lintels, and a shutter (3) that can be raised and lowered is installed between the sleeve doors (1) (1). .
Further, the sleeve doors (1) and (1) are provided with a door automatic closing device (13) that operates by receiving smoke at the upper part, and the hinges (10) and (10) dedicated to the sleeve door (1) at the lower part. ) Is provided.
Further, guide rails (7) and (7) opposed to the front end when the sleeve doors (1) and (1) are opened and closed, and both sides of the shutter (3) are guided down to the corresponding full length in the vertical direction. Is. The guide rails (7) and (7) are provided with an upper lock (11) and a lower lock (12) in the vertical direction.
The upper part of the sleeve door (1) (1) is opened and closed, and the shutter storage case (15) operating in conjunction with the limit switches (8) (8) has an inner winding shaft (16), A shutter automatic closing device (17) that operates in conjunction with the limit switches (8) and (8) is installed, and a switch (18) that releases the brake is also installed. Reference numeral (19) denotes a seat plate.
The corresponding evacuation doors (2) and (2) are respectively provided with hinges (10) and (10) at the upper and lower ends.
Next, sleeve door storage frames (6) and (6) for storing the sleeve doors (1) and (1) are attached to the side walls (5) and (5) of the building. The sleeve doors (1) and (1) are housed inside the sleeve door storage frames (6) and (6) when not in use in an emergency.

As shown in FIGS. 5 and 6, the upper locks (11) and (11) are attached to the upper portions of the sleeve doors (1) and (1), and are provided on the rod (22) inside the latch frame (20). A latch (21) is provided, a spring (23) is wound around the outer periphery of the rod (22), and a knob portion (24) is mounted on the lower end. The latch receiver (25) is attached to the upper frame. Then, with the rotational closing force of the hinges (9) and (9) of the sleeve doors (1) and (1), the slope of the latch (21) hits the curved surface of the latch receiver (25) of the upper frame, and the spring ( In 23), the latch (21) is instantly moved up and down, and the sleeve doors (1) and (1) are fixed at predetermined positions. The knob (24) is mounted so that the latch (21) is released by pulling downward.
Furthermore, what is shown in FIG. 7 shows the lower locks (12) and (12) respectively located at the lower part of the guide rails (7) and (7) shown in FIG. 1, and the sleeve doors (1) and (1). The guide rails (7) and (7) are mounted in the lower part of the groove. A spring (28) is wound around the rod guide (26), the rod (27), and the outer periphery of the rod (27).
Then, when the shutter (3) is lowered and the weight of the seat plate (19) is applied to the rod (27), the rod (27) is pressed downward, and is received in the receiving recess (14) with a lid shown in the figure. Enter, the sleeve door (1) (1) is fixed at a predetermined position of opening. When the shutter (3) is lifted, the weight of the slat and the seat plate (19) is lost, and the rod (27) is pushed upward together with the movable lid (31) by the spring (33), so It rises automatically up to the surface of the plate (30).

  It is the front view which a part of the simultaneous interlocking shutter closing device of the sleeve door for evacuation of the present invention was removed.   It is a cross-sectional plan view of FIG. 1B-B line of the present invention.   It is the cross-sectional top view which accommodated the double sleeve door of this invention in the sleeve door storage frame of the side wall.   It is the front view seen from the side of Drawing 1A-A of the sleeve door storage frame of the state where the sleeve door of the present invention was similarly stored.   It is the side view which a part of which showed the upper part lock of the sleeve door of this invention.   It is a front view of the upper lock which a part of the present invention is also missing.   It is the side view which a part of the lower lock | rock with which the lower part inside the guide rail of this invention was mounted | worn was removed.

Explanation of symbols

DESCRIPTION OF SYMBOLS 1 Sleeve door 2 Escape door 3 Shutter 5 Side wall 6 Sleeve door storage frame 7 Guide rail 8 Limit switch 9, 10 Hinge 11 Upper lock 12 Lower lock 13 Door automatic closing device 15 Shutter storage case 16 Winding shaft 17 Automatic shutter closing device 18 Switch 19 Seat plate 20 Latch frame 21 Latch 22, 27 Rod 23, 28, 33 Spring 24 Knob 25 Latch receiver 26 Rod guide 30 Decorative plate 31 Movable lid

Claims (1)

  Sleeve doors with evacuation doors on the left and right side walls facing each other, and a shutter that can be moved up and down are installed between the sleeve doors. An automatic door closing device that operates and a limit switch are installed, and the sleeve door is provided with a guide rail in the vertical direction of each open end, and an upper lock and a lower lock are installed vertically. The shutter storage case provided on the ceiling is connected with a winding shaft and an automatic shutter closing device linked with the limit switch, and the automatic shutter closing device is connected with a switch for releasing the brake. Simultaneous shutter closing device for evacuation double sleeve doors.

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