JPH053590U - Emergency opening device in blind shutter - Google Patents

Abstract

(57) [Summary] [Purpose] When the blind shutter is closed, it should be opened quickly by a simple operation in case of an emergency escape. [Structure] In the blind shutter, a plurality of slats 1, 1, ...
Retractable sliding locking rods 3, 3 and the sliding locking rods 3, 3
And a lock body 6 capable of appropriately moving the inside and outside. The sliding locking rods 3 are detachably attached to the locking portion 11a of the support plate 11 that raises and lowers the seat plate A.

Description

[Detailed description of the device]

[0001]

[Industrial applications]

 The present invention relates to an emergency opening device for a blind shutter that can be quickly opened by a simple operation in an emergency escape.

[0002]

[Prior Art]

 In the past, there was no mechanism for opening or closing the blind shutter and then entering or exiting it in an emergency.

[0003]

[Problems to be solved by the device]

 It was necessary to operate it electrically or manually when escaping in an emergency, and to break it when entering and to provide an entrance.

There is a problem that the lock cannot be lifted and the slat can be lifted only by operating the knobs from the inside and outside, so that the slat cannot be lifted, and improvement is required.

[0005]

[Means for Solving the Problems]

 Therefore, in the present invention, in a blind shutter, retractable sliding locking rods and movable sliding locking rods inside and outside are provided at both widthwise ends of a seat plate provided at the bottom of a plurality of slats. In the event of an emergency, the blind shutter is equipped with a lock body 6 that can be moved, and a sliding locking rod is detachably attached to the locking portion of the support plate for moving the seat plate A up and down. The blind shutter can be opened easily and quickly, which solves the above problems and achieves its purpose.

[0006]

【Example】

 An embodiment of the present invention will be described below with reference to FIGS.

As shown in FIG. 1 and the like, the blind shutter is composed of a large number of slats 1, 1, ... And a seat plate A is provided below the lowermost slat 1.

As shown in FIGS. 2 and 3, etc., the seat plate A is constructed by accommodating slide locking rods 3, 3 and the like in the seat plate body 2, and the seat plate body is 2 is formed to have substantially the same length as the slat 1.

Like the other slats 1, the seat plate body 2 is made of a thin metal material, and the seat plate surface portion 2a has a substantially vertical cross section as shown in FIGS. The seat A moves up and down.

Seat plate side portions 2b, 2b are formed at both ends of the seat plate body 2 in the longitudinal direction (same as the width direction of the blind shutter), and the seat plate body 2 is configured in a semi-closed or fully closed case shape. Has been done.

As shown in FIG. 3, slide locking rods 3 are provided so as to be slidable along the longitudinal direction of the seat plate body 2 from both longitudinal ends of the seat plate body 2. Specifically, as shown in FIG. 6, the sliding engagement rods 3, 3 are configured to be slidable by penetrating the seat plate side portions 2b, 2b of the seat plate body 2. The sliding engagement rods 3, 3 are configured to slide by an operating portion A ₁ provided at a substantially central portion in the seat plate body 2.

As shown in FIG. 5, the operation portion A ₁ has two horizontal movable rods 5 and 5 inside both sides of a thin plate-like case portion 4, and the movable rods 5 and 5 are simultaneously provided. It is configured to be horizontally movable inside the case portion 4 and, at the same time, outside the case portion 4.

The movable rods 5, 5 are movable by a lock body 6, and as a specific embodiment, as shown in FIG. 5, a pinion gear 7 is connected to the lock body 6, Rack pieces 5a, 5a are formed at locations on the case portion 4 side of the movable rods 5, 5, and the rack pieces 5a, 5a and the pinion gear 7 are in mesh with each other.

Further, in the case portion 4, the rack pieces 5a, 5a formed on the left and right movable rods 5, 5 are such that the rack piece 5a of one movable rod 5 is formed on the lower surface side and the other movable rod 5 is formed. The rack piece 5a is formed on the upper surface side.

The pinion gear 7 exists between the rack pieces 5a, 5a on the upper surface side and the lower surface side of the pinion gear 7, and the movable rods 5, 5 are simultaneously moved inward or outward simultaneously by the rotation of the pinion gear 7. Will be configured. Further, other than the configuration of the rack pieces 5a, 5a and the pinion gear 7, the mechanism is not limited to the above-mentioned embodiment as long as the movable rods 5, 5 can be simultaneously moved inward or outward simultaneously.

The pinion gear 7 is adapted to rotate simultaneously by rotating the lock body 6. Further, the lock body 6 has a screw head shape on the outer surface side of the seat plate A (outside the blind shutter). The lock 6 is formed as a portion 6a and is rotated from the outside by using a screwdriver or the like.

The inside of the seat plate A of the lock body 6 (inside the blind shutter) is formed as a disc-shaped photographing portion 6b, which can be operated by manually rotating the photographing portion 6b from the inside. The rods 5 and 5 are movable.

The operating portion A ₁ and the sliding locking rods 3, 3 are connected by the connecting rods 8, 8, and the movement of the movable rods 5, 5 is transmitted to the sliding locking rods 3, 3.

At the seat plate side portions 2b, 2b of the seat plate body 2, hollow support rods 9, 9 are formed outward from both ends in the longitudinal direction of the seat plate A, and a sliding locking rod is provided inside the hollow. 3, 3 are loosely inserted, and the slide locking rods 3, 3 slide in the support rods 9, 9.

The seat plate A is provided with an emergency opening buzzer 10, and the emergency opening buzzer 10 has a circuit configuration that sounds when the lock body 6 is unlocked.

In the seat plate A, support rods 9 and 9 and sliding lock rods 3 are locked to a support plate 11 provided in a guide rail 13. As shown in FIGS. 2 (a) and 3, the support plate 11 moves up and down in the guide rail 13 by a chain 12, and the support plate 11 has a locking portion 11a and a seat plate support portion 11b. Has been formed.

The locking portion 11 a is formed in a through hole shape, specifically, a long hole shape, and the sliding locking rod 3 is penetrated and locked. .. Although not shown, it may be a hole that does not penetrate.

Further, the seat plate support portion 11b has a structure in which the support rod 9 can be easily removed by lifting the support rod 9 upward while the support rod 9 is simply placed (see FIG. 6).

A chain guide 13a is formed in the guide rail 13, and the chain 12 moves without slack along the chain guide 13a. The chain guide 13a forces the support plate 11 to move. It does not rise along the guide rails 13.

Further, a guide piece 11c is also formed on the back surface side of the support plate 11, and the guide piece 11c is inserted into the chain guide 13a so that the support plate 11 moves up and down along the chain guide 13a. Further, the slant angles of the slats 1, 1, ... Are adjusted by the outer link portion 14 and the inner link portion 15.

As shown in FIGS. 4B and 7, a hole is made in the seat plate surface portion 2 a of the seat plate body 2 and at the screw head portion 6 a, and “erased” there. In case of emergency, the resin plate is destroyed from the outside (outside of the blind shutter) by using a transparent resin plate with letters in it, and the screw head 6a is It is easy to rotate the lock body 6 (see FIG. 8).

[0027]

[Effect of the device]

 In the present invention, in the blind shutter, a plurality of slats 1, 1, ... Sliding locking rods 3, 3 that can be retracted at both ends in the width direction of the seat plate A provided at the lowest stage, and the sliding locking rods. A lock body 6 that can move the inside and the outside of the seat plate 3 is provided, and the sliding engaging rods 3 are detachably attached to the engaging portion 11a of the support plate 11 that raises and lowers the seat plate A. The use of an emergency opening device for the blind shutter makes it possible to first open the blind shutter with a simple operation in an emergency, and secondly to prevent the blind shutter from being damaged. Play.

To describe these effects in detail, the sliding locking rods 3, 3 provided at both lateral ends of the seat plate A are attached to the locking portion 11 a formed on the support plate 11 by the lock body 6. Since the lock 6 is operated, the sliding locking rod 3 is disengaged from the locking portion 11a of the support plate 11 and the seat plate A becomes free in the blind shutter. can do.

The seat plate A can be easily lifted upward manually, and by doing so, the other slats 1, 1, ... By raising it, the blind shutter can be easily opened.

Next, the seat plate A operates the lock 6 to release the sliding locking rods 3, 3 from the support plate 11 so as to be free, so that the blind shutter is not required as in the conventional case. Since it is not something that can be opened reasonably, it does not damage the blind shutter.

In addition, even if the mechanism for opening and closing the blind shutter should fail, in the present invention, by removing the sliding locking rods 3, 3 of the seat plate A from the locking portion 11a of the support plate 11, the seat plate is removed. Since A and the support plate 11 are completely free, even if the blind shutter is closed, the blind shutter slats 1, 1, ... Can be easily opened.

If the seat plate A is provided with the emergency open buzzer 10 and is configured to ring when the lock 6 is in the unlocked state, security for crime prevention can be ensured.

[Brief description of drawings]

FIG. 1A is a perspective view of a blind shutter using the present invention, and FIG. 1B is a schematic sectional view of a blind shutter using the present invention.

FIG. 2 (a) is a sectional view of a main part of a seat plate, and (b) is a sectional view of a main part of the present invention.

FIG. 3 is a perspective view of an essential part of the present invention.

FIG. 4A is a cross-sectional view of a main part inside a guide rail, and FIG. 4B is a cross-sectional view of a main part of a seat plate.

FIG. 5 is a schematic perspective view of an operation unit.

FIG. 6 is a cross-sectional view of essential parts showing the relationship between a sliding locking rod and a support plate.

FIG. 7 is a partial front view of the front side of the seat plate.

FIG. 8 is a state diagram in which the resin plate is damaged from the front of the seat plate and the shutter curtain is about to be lifted.

[Explanation of symbols]

 A ... Seat plate 1 ... Slat 2 ... Seat plate body 3 ... Sliding locking rod 6 ... Lock body 11 ... Support plate 11a ... Locking part

Front page continuation (72) Inventor Atsushi Miura 2-1-1, Nishishinjuku, Shinjuku-ku, Tokyo Sanwa Shutter Industry Co., Ltd.

Claims (1)

[Claims for utility model registration] [Claim 1] In a blind shutter, a slide locking rod that can be retracted and a sliding locking rod that are retractable are provided at both ends in the width direction of a seat plate that is provided at the bottom of a plurality of slats. The blind shutter is equipped with a lockable body that can be moved inside and outside, and the sliding locking rod is detachably attached to the locking portion of the support plate that raises and lowers the seat plate in case of emergency release in a blind shutter. apparatus.