JP3043893U - Door and shutter with integrated shutter rail - Google Patents

Abstract

(57) [Abstract] [PROBLEMS] To provide a shutter that can create an open space and a door with a shutter, which does not require a permanent shutter rail or door frame between the frames. SOLUTION: A shutter 25 and a door 10 are provided side by side to partition a flat area of a building, and a track 11 for moving the shutter up and down is formed at a side end portion of the door and provided on a floor 29 or a ceiling 28. A locking portion 24a is formed on the door stop 24, while a locking tool for locking the locking portion is provided on the door. In addition, a movable switch 27 for closing the shutter in conjunction with the closing of the door is arranged at the door stop. Further, the locking member of the door is provided with a protruding portion 13 formed so as to be able to move in and out of the door.
And a biasing means 15 for biasing the protruding portion so as to project from the inside of the door, and when the door is opened or closed, the protruding portion is restrained from protruding from the inside of the door and the door hits the door. Suppressing means 12 is provided for releasing the suppression when it comes into contact with.

Description

[Detailed description of the invention]

[0001]

[Technical field to which the invention belongs]

 The present invention relates to a shutter for partitioning a flat surface of a building and an area such as a vertical hole, and a door attached to the shutter.

[0002]

[Prior art]

 In large stores and the like, in order to make it easier to change the layout of product layouts, there is a tendency that partition walls are not provided as much as possible, and the flat area is made large in succession. In such a case, to ensure safety in the event of a fire, a fireproof shutter and an escape door are combined to form a fireproof compartment. That is, as shown in FIG. 5, a shutter rail 51 is erected along the skeleton 50 such as a pillar or a wall, and a shutter rail 53 is erected between the skeletons 50 and 50. , 53 is provided with a fireproof shutter 52 that moves up and down, and an evacuation door 54 having a shutter rail 53 as a door frame is provided to form a conventional fireproof compartment.

[0003]

[Problems to be solved by the device]

 When the fireproof shutter 52 and the evacuation door 54 are provided together to form a fireproof section as described above, the shutter rail 53 is always installed between the frames 50 and 50, so that the view is blocked and the view is open. There are problems such as a great obstacle in creating a space and a person colliding with the shutter rail 53.

The present invention focuses on the above-mentioned drawbacks of the prior art and solves this problem. The problem is that there is no need to provide a permanent shutter rail or door frame between the frames, and an open space is provided. The purpose is to provide a shutter that can create a door and a door with a shutter.

[0005]

[Means for Solving the Problems]

 In order to solve the above problems, the present invention relates to a door provided with a shutter for partitioning a plane, a vertical hole, and the like of a building, and a track for moving the shutter up and down has a side end portion. Provided is a door characterized by being integrally formed with a door. Since the shutter track (shutter rail) is integrally formed on the side edge of the door in this way, if another shutter rail is installed on the surface of the frame at the opposite position of this track, these shutter pairs The shutter can be moved up and down along the shutter rails. Therefore, the conventional shutter rail that was permanently installed between the frames is no longer necessary, and it is possible to create an open space. Here, the pit area of the building is an area that is continuously opened in the vertical direction, and refers to, for example, a staircase. It is preferable that the door of the present invention is provided with a locking member that locks to a door stop formed on the floor, the ceiling, or both, and the locking device has a protruding portion that is formed so as to be able to move in and out of the door. Urging means for urging the protruding portion so as to protrude from the inside of the door, and suppressing the protruding portion from protruding from the inside of the door when the door is opened or closed, and the door is closed. It can be formed so as to be provided with a restraining means which releases the restraint when it comes into contact with the hit. If such a locking device is provided on the door, when the door is closed and comes into contact with the door stop, the restraining means is released, and the projecting portion is biased by the biasing means to project from the inside. Engages with an engaging portion formed on the door stop. Therefore, even if the door of the present invention is applied to the evacuation door attached to the fire prevention shutter, once the evacuation door is closed, the evacuation door will not receive pressure from inside (flashover explosion protection in case of fire. Even if it receives wind pressure, etc., it does not open, and the fireproof section formed in the building can be reliably maintained.

The present invention also provides a shutter attached to the door, wherein a movable switch for closing the shutter in conjunction with the closing of the door is arranged in the door stop. It

[0007]

【Example】

 Hereinafter, embodiments of the present invention will be described with reference to the accompanying drawings, but the present invention is not limited thereto. 1 (a) is a front view of a door and a shutter of the present invention, FIG. 1 (b) is a cross-sectional view taken along one-dot chain line Ib-Ib of FIG. 1 (a), and FIG. 2 (a) is a book. FIG. 2 (b) is an enlarged plan view of the periphery of the locking tool showing a state in which the protruding portion of the locking tool of the device is restrained by the restraining means. FIG. 3 (a) is an enlarged plan view showing a state in which the means is released and the projecting portion is projected, and FIG. 3 (a) is a vertical cross-sectional view taken along the alternate long and short dash line IIIa-IIIa in FIG. 2 (a). ) Is a vertical sectional view taken along the alternate long and short dash line IIIb-IIIb in FIG. 2B, and FIG. 3C is a vertical sectional view taken along the alternate long and short dash line IIIc-IIIc in FIG. 2B. FIG. 3 is a cross-sectional view showing a door of the present invention in a mode different from that of FIG. 1.

When a fireproof shutter 25 and a fireproof door 10 are provided together between the skeletons 20 and 22 of a pillar or a wall in a large store such as a department store to form a fireproof section, as shown in FIG. A shutter rail 21 of a conventional type is provided on the surface of the door, and a rail 11 with a built-in door is integrally formed at a side end portion of the fire door 10. The shutter rail 21 and the rail 11 with a built-in door serve as a shutter track as a fireproof shutter. The upper door frame 24 is fixed to the ceiling 28 as the door stop of the fire door 10, and the floor slide 29 is fixed to the sliding door 23.

Here, as shown in FIGS. 2 and 3, the upper end portion of the fire door 10 is provided with a locking tool including a convex portion 13 to be fitted into a fitting hole 24 a formed in the upper door frame 24. It is built in. That is, the locking tool includes a convex portion 13 as a protruding portion formed so as to be able to come in and out from the inside of the fire door 10, a spring 15 as a biasing means for biasing the convex portion 13 so as to protrude from the inside, When the fire door 10 is opened or closed, the protrusion 13 urged by the spring 15 is prevented from protruding from the inside, and also when the fire door 10 contacts the upper door frame 24. A pressing plate 12 as a restraining means for releasing is provided. Although not shown, the pressing plate 12 is continuously provided with a biasing means such as a spring or a hydraulic pressure. By this biasing means, the pressing plate 12 is opened when the fire door 10 is opened or closed. It is biased so that it is located in the plane arrangement shown in Fig. 2 (a).

In addition, slits 14 and 14 are formed at the upper end of the fire door 10, while presser release pieces 24 a and 24 a that fit into the slits 14 and 14 are provided on the upper door frame 24. Further, a shutter movable switch 27 is provided above the fitting hole 24a in the upper door frame 24, and when the shutter movable switch 27 is pushed by the convex portion 13 fitted from the fitting hole 24a, a motor (Fig. (Not shown) operates to close the fireproof shutter 25.

Next, the operation of the fireproof shutter 25 and the fireproof door 10 at the time of fire will be described. When the sensor (not shown) detects the occurrence of a fire, the fire door 10 that is normally opened to the position indicated by the dotted line in FIG. 1 (b) rotates to the position indicated by the solid line and closes. When the fire door 10 is closed and comes into contact with the upper door frame 24, the presser release pieces 24a, 24a are fitted in the slits 14, 14 and press the presser plate 12 to push it to the plane arrangement of FIG. 2 (b). . When the pressing plate 12 is pushed into the plane arrangement shown in FIG. 2 (b) in this way, the pressing plate 12 is no longer restrained by the convex portion 13 biased by the spring 15, and the convex portion 13 is shown in FIG. 3 (b) ( As shown in c), it protrudes from the upper end of the fire door 10, fits into the fitting hole 24a of the upper door frame 24, and pushes the movable shutter switch 27. As a result, the closed fire door 10 is fixed to the upper door frame 24, and a motor (not shown) operates to move the fire shutter 25 along the built-in rail 11 and the shutter rail 21 of the fire door 10. Slide down to close. As described above, since one of the pair of rails for moving the fireproof shutter 25 up and down is built in the side end of the fireproof door 10 to be installed side by side, it is conventionally formed between the frames 20 and 22. It is not necessary to permanently install the shutter rail that was provided, and it became possible to create an open space.

The door and shutter in the present invention can also be formed in the mode of FIG. That is, the two door built-in rails 33a and 33b are integrally formed at the side end of the fire door 33, and the conventional type shutter rail 35 is provided on the surface of the frame 32. The fire protection shutter 34 moves up and down with the shutter rail 35 and the door built-in rail 33a as tracks, and the fire protection shutter 36 moves up and down with the door built-in rail 33b and other conventional type shutter rails not shown as tracks. To do. Further, also in the embodiment of FIG. 4, a configuration other than the above, that is, the upper door frame 24, the slits 14 and 14, the presser release pieces 24a and 24a, the shutter movable switch 27, the locking member (convex) shown in FIGS. (Including the portion 13, the spring 15 and the pressing plate 12) and the like, and achieves the same operation and effect.

[0013]

[Effect of the invention]

 In the door and shutter of the present invention, since the shutter track is formed at the side edge of the door, the conventional shutter rails that are permanently installed between the skeletons are not required and it is possible to create an open space. became.

[Brief description of the drawings]

FIG. 1A is a front view of a door and a shutter of the present invention, and FIG. 1B is a sectional view taken along the chain line Ib-Ib of FIG.

FIG. 2 (a) is an enlarged plan view of the vicinity of the locking tool showing a state in which the protruding portion of the locking tool of the present invention is restrained by the restraining means, and FIG. FIG. 7 is an enlarged plan view showing a state in which the suppressing means is released and the projecting portion is projected in the stopper.

3A is a vertical cross-sectional view taken along the alternate long and short dash line IIIa-IIIa in FIG. 2A, and FIG. 3B is an alternate long and short dash line II in FIG. 2B.
FIG. 3B is a vertical cross-sectional view taken along line Ib-IIIb, and FIG. 3C is a vertical cross-sectional view taken along alternate long and short dash line IIIc-IIIc in FIG.

FIG. 4 is a cross-sectional view showing a door of the present invention in a mode different from that of FIG.

5A is a cross-sectional view of a conventional example, and FIG. 5B is a front view of the conventional example.

[Explanation of symbols]

 10 Fireproof Door (Door) 11 Rail with Built-in Door (Track) 12 Presser Plate (Suppressing Means) 13 Convex Part (Protruding Part) 15 Spring (Biasing Means) 20 Body 21 Shutter Rail 22 Body 24 Upper Door Frame (Door) 24a Fitting hole (locking part) 25 Fireproof shutter (shutter) 27 Shutter movable switch 28 Ceiling 29 Floor

Claims (4)

[Utility model registration claims] 1. A door provided with a shutter for partitioning a plane of a building and a region such as a vertical hole, wherein a track for vertically moving the shutter is integrally formed at a side end portion of the door. The door characterized by. 2. The door according to claim 1, further comprising a locking tool for locking the door stop. 3. The projecting portion, which is formed so that the engaging member can move in and out of the door, a biasing unit that biases the projecting portion so as to project from the interior of the door, and the door is opened. The control means for suppressing the protrusion from protruding from the inside of the door at the time of closing or during the closing operation, and for suppressing the suppression when the door comes into contact with the door stop. door. 4. The shutter attached to the door according to claim 1, wherein a movable switch for closing the shutter in conjunction with the closing of the door is arranged in the door stop.