JPH0477800B2 - - Google Patents

Description

[Detailed Description of the Invention] [Industrial Application Field] The present invention relates to a blind that is attached to the outdoor side of a window of a building, and particularly to a blind that is attached to a window that serves as an entrance in an emergency. .

[Conventional technology]

According to laws and regulations, floors above the 3rd floor of a building with a height of 31 m or less must have an entrance for firefighters to enter in the event of an emergency such as a fire. There are windows in designated locations that can be opened from the outside, but if blinds are installed in front of such windows, it will prevent firefighters from entering from outside. In the past, for example,
As shown in Japanese Patent No. 143990, there has been known a system in which an emergency hoisting switch is activated in conjunction with a fire alarm system to cause a motor to hoist an obstructive shutter or the like.

[Problem that the invention seeks to solve]

However, in conventional opening/closing devices, a power source is required because the motor winds the shutter, etc., and an emergency power source must be installed to operate even if the power is cut off in the event of a fire, making the device complicated and expensive. point was a problem.

SUMMARY OF THE INVENTION Accordingly, it is an object of the present invention to provide an emergency entrance blind which eliminates the conventional problems and which does not require an emergency power source and can easily form an emergency entrance with a simple structure at low cost. The purpose is to

[Means for solving problems]

In order to solve the conventional problems, the present invention provides hanging plates 10, 10a...10h, 10 that are tiltably suspended by a tilting operation string 11 that is stretched around a tilting shaft 12.
k and a blind main body 6 in which a number of slats 3 are connected by a tilting string 7 fixed to the uppermost slat 9 are removably connected via a plurality of locking and disconnecting mechanisms, and the hanging plates 10, 10a... ...10h, 10k
Operation parts 20, 20a...20f, 20g, 20k for simultaneously releasing a plurality of locks are provided on the outside of the room, and in an emergency, the operation parts 20, 20a...
By operating 20f, 20g, and 20k, multiple locking/unlocking mechanisms are simultaneously released and the hanging plate 1 is released.
0, 10a...10h, 10k, the blind main body 6 is separated from the lift string 8 whose upper end is fixed to the winding shaft.
An emergency entrance is formed by lowering it onto a lower stile 4 fixed to the lower end of the stile.

〔Example〕

Various embodiments of the present invention can be considered depending on the structure of the locking mechanism between the suspension plate of the emergency entrance blind and the blind body, which is the main part of the present invention. A type in which a pin with a head is fitted into the holder, a locking rod is inserted into a loop etc., or a locking rod is inserted into a loop etc., or a locking tooth and a to-be-locked tooth are used. Examples include those using a device designed to do so.

In the following, as an example of the present invention, an emergency entrance blind using the above three types of locking/disengaging mechanisms will be described, but the present invention can also be practiced with blinds using other locking/disengaging mechanisms.

First, a description will be given of an emergency entrance blind using a locking/disengaging mechanism in which a pin having a head is fitted into a first locking groove to lock the pin. FIG. 1 is a perspective view of the blind, showing the state in which the blind is in use.

Reference numeral 1 denotes guide rails arranged in parallel on the outer walls on both sides of openings such as windows, etc., and a groove 2 is provided in the center for guiding lifting guides 5 provided at both ends of a slat 3 and a lower stile 4. . Reference numeral 6 denotes a blind main body, which is constructed by connecting a large number of narrow slats 3 made of metal plates or weather-resistant plastic plates. 7 is a tilting string, and each slat 3
The slats 3 are connected horizontally at regular intervals, and each slat 3 is tilted simultaneously by operating a tilting string to block direct sunlight. 8 again
is a lifting cord whose lower end is fixed to the lower stile 4, and whose upper end is fixed to a hoisting shaft provided in the blind box 21 by passing through a hole in each slat 3. By rotating the lower stile 4, the lower stile 4 is rolled up and lowered, and the blind main body 6 is raised and lowered.

Reference numeral 10 denotes a hanging plate, which is placed above the uppermost slat 9 of the blind main body 6 and locks the blind main body 6, and is composed of a flat metal plate approximately the same size as the slat. Hanging board 10
A tilting operation string 1 is connected to a tilting shaft 12 at both ends of the
1 is fixed, and by rotating the tilting shaft 12 at a desired angle, the hanging plate 10 is tilted, and by operating the tilting string 7 of the blind main body 6, which is locked to this hanging plate 10, each slat is fixed. 3 at the same time. Further, a lifting string 8 fixed to the lower stile 4 extends through a hole in the hanging plate 10 to an upper hoisting shaft.

Reference numeral 13 denotes locking grooves provided in the suspension plate 10, which are provided at a plurality of locations on both sides as shown in FIGS. 1 and 3. As seen in the enlarged view of FIG. 2, the locking groove 13 consists of an opening 14 communicating with the side edge and a narrow groove 15 cut in the longitudinal direction of the hanging plate 10, and is provided in the uppermost slat 9. The locking pin 16 having a shaped head is inserted through the opening 14, and then inserted into the narrow groove 15 in the longitudinal direction and locked by the head of the locking pin 16 to suspend the blind body 6 on the hanging plate 10. It was designed to be lowered. Reference numeral 20 denotes an operating rod provided on one side edge of the hanging plate 10, and is attached to a hinge provided on the hanging plate 10 so as to be biased counterclockwise by a spring. In an emergency, by moving the operating rod 20 to the right from outside as shown in FIG. 13 through the narrow groove 15 to the opening 14 to release the lock, and as shown in FIG. 3, the blind main body 6 is lowered by its own weight onto the lower stile 4 to form an emergency entrance. It is configured.

In addition, a projecting piece 18 is provided at the center of the uppermost slat 9, and when the locking pin 16 is locked, the suspension plate 1
0 into the long hole 19 provided in the center of the hanging plate 10.
The raised piece 17 provided at the end of the elongated hole 19 is connected to the protruding piece 1.
The suspension plate 10 is pressed to the left by a compression spring interposed between the suspension plate 10 and the suspension plate 8 to prevent the hanging plate 10 from unnecessarily moving to the right and becoming unlatched. The operating rod 20 is biased counterclockwise, so when the hanging plate 10 is at a lower position than the lower end of the blind box 21, it protrudes horizontally to facilitate operation from outside. An operating rod 20 is configured.

The configuration shown above is the basic configuration, and the mechanism for releasing the lock between the locking groove of the suspension plate and the locking pin can be modified in various ways. Figure 5 shows operating rod 2.
0a to one side edge of the hanging plate 10 as shown in FIG.
The hanging plate 10a is rotatably attached to the middle of the hanging plate 10a, and the lower end of the hanging plate 10a is rotated as shown in the figure to move the hanging plate 10a to the right.
6 is released. What is shown in FIGS. 6, 7, and 8 are hanging plates 10b, 10
c, 22b, 22c on two sliding plates on 10d,
22d is placed on the locking groove 13 provided in the sliding plate.
The locking pins 16 are locked to b, 13c, and 13d, and in case of an emergency, the operating strings 20b, 20c, and 2 are provided in the center.
Subtract 0d and the two sliding plates 22b, 22c, 22
d toward the center, respectively, to lock the locking grooves 13b and 13b.
The locking pin 16 is removed by aligning the wide portions 3c and 13d with the locking pin 16.
What is shown in FIGS. 9 and 12 is the locking pin 1.
6e and 16f are moved to release the lock. In FIG. 9, by pulling the operating string 20e attached to the center of the sliding plate 22e to the left, the sliding plate 22e is released as shown in FIG. The locking pin 16e is pressed by a cut-and-raised piece 23 provided on the suspension plate 10e, and the lock is released by moving it into the wide hole of the locking groove 13e provided on the hanging plate 10e. A safety pin 24 is attached to the operating string 20e and inserted into the communication hole between the sliding plate 22e and the hanging plate 10e to prevent it from moving unnecessarily.In an emergency, the operating string 20e can be pushed inward to release the safety pin 24. After removing the lock, pull it to the left to release the lock. 1st
In the one shown in FIG. 2, the suspension plate 10f is configured in a box shape with a hollow part, and the locking pin 16f penetrates the hollow part and is locked in the locking groove 13f on the upper surface.
The operating rod 20f has a plurality of pressing rods 25 arranged in a comb shape, and the pressing rods 25 are inserted into the hollow part of the hanging plate 10f, and by moving the operating rod 20f to the right, as shown in FIG. In this way, the locking pin 16f is pressed by the pressing rod 25 and moved to the wide hole of the locking groove 13f to release the lock.

Next, an emergency entrance blind using a locking/disengaging mechanism in which a second locking rod is inserted into a loop or the like and locked will be described.

FIG. 14 is an enlarged view of the locking and disengaging mechanism using a locking rod and a loop provided at one end of the emergency entrance blind. Reference numeral 26 denotes a locking string that connects the slat of the lower blind body 6. 3 is connected to the upper end of the tilting string 7 through a through hole provided in the hanging plate 10g, and a locking loop 27 is formed at the other end of the locking string 26. A locking rod 28 is inserted into a hole in a guide piece 29 provided on the surface of the hanging plate 10g, and is inserted through each loop 27 formed at the tip of the two locking strings 26. This locks the hanging plate 10g and the blind main body 6 together. Note that instead of the loop 27 formed at the tip of the locking string 26, a ring 27a may be attached as shown in FIG. At this time, the through hole of the locking string 26 provided in the hanging plate 10g needs to be made large enough for the ring 27a to pass through.

To release the lock between the hanging plate 10g and the blind main body 6, move the operating rod 20g connected to the locking rod 28 to the right as shown by the arrow shown in FIG. 28 is released from each loop 27 of the locking string, and the locking string 26
is pulled downward through the hole in the suspension plate 10g by the weight of the blind body, and the blind body descends to form an emergency entrance.

FIG. 16 is a plan view showing the entire structure, and the locking/disengaging mechanism is provided at both ends of the hanging plate 10g and is configured to be operated by one operating rod 20g. The middle part is a hanging board 10g
It is bent so that it is positioned in front of the vehicle, making it easier to operate it than outside in an emergency.

Finally, an explanation will be given of an emergency entrance blind using a locking/disengaging mechanism that locks with a third locking tooth and a locked tooth. FIG. 17 is a perspective view showing the blind, Reference numeral 22k is a case-shaped sliding plate with an opening on the top surface, and a hanging plate 10k is fitted into the case and configured to slide inside the case, and the tilting string 7, it is connected to the uppermost slat 9. A plurality of locking teeth 29 are formed on both edges of the upper opening of the sliding plate 22k, and a plurality of locking teeth are formed on both edges of the hanging plate 10k fitted in the case. By overlapping the locked teeth 30, the sliding plate 22k on which the blind main body 6 is suspended is locked and suspended by the hanging plate 10k. 31
is a spring provided at the end of the sliding plate 22k, which constantly presses the hanging plate 10k inside the case to the left so that the locking teeth 29 of the sliding plate 22k close the hanging plate 10k.
A position where the locking tooth 30 overlaps with the locking tooth 30 is secured. 20k is the operating rod and the hanging plate 10
By moving this operating rod to the right, the hanging plate 10k is moved and the engaged teeth 30 formed on both edges of the hanging plate 10k are moved, as shown in FIG. The retaining tooth 30 is connected to the retaining tooth 29 and the retaining tooth 29
The lock is released by being displaced between the sliding plate 22k.
together with the blind main body 6, descends downward due to its own weight to form an emergency entrance. Furthermore, the 17th
In the illustrated embodiment, the locking teeth and the locked teeth are rectangular in shape, but they may have any shape as long as they can support the weight of the blind body, and the number of teeth to be attached may be selected as appropriate. provided.

The embodiment of the present invention has the configuration as described above, and normally the blind main body is fixed to a hanging plate, and the tilting shaft is rotated to tilt the slats to allow direct exposure, just like a normal blind. block sunlight,
The blind can be raised or lowered by winding up or unwinding the lifting cord, and in case of an emergency, the operating rod can be easily operated from outside to release the lock between the hanging plate and the blind body, and the blind body can be lowered by its own weight. It is lowered to form an emergency entrance so that it does not get in the way of entry through windows etc. in the event of an emergency. Although the emergency entrance blind of the present invention may be provided over the entire width of the window opening,
As shown in the figure, it may be divided into two parts to provide the required width at the required location.

〔Effect of the invention〕

The present invention connects the hanging plate and the blind main body in a detachable manner via a plurality of locking/disconnecting mechanisms, and in an emergency, the plurality of locking units can be activated by operating an operating section provided on the outdoor side of the hanging plate. The lock is released at the same time, the main body of the blind is separated from the hanging plate, and the blind body is lowered onto the lower stile at the bottom end of the blind to form an emergency entrance, so the structure is simple and it can be easily operated manually from outside. It does not require expensive and complicated equipment or emergency power sources like conventional ones. Moreover, the blind body that separates and descends to form an emergency entrance does not fall all the way to the bottom floor but instead stops on top of the lower stile, so the falling blind body may hit and injure people downstairs, or This has very beneficial effects such as preventing damage to the main body.

[Brief explanation of drawings]

1 to 13 show a first embodiment of the present invention, and FIG. 1 is a perspective view of the basic embodiment;
Fig. 2 is an enlarged partial view of the locking groove, Fig. 3 is a perspective view of the unlocked state, Fig. 4 is a drawing showing operation from outside, and Fig. 5 is a perspective view of a modified example. ,
FIG. 6 is a perspective view of a modified example in an unlocked state, FIGS. 7 and 8 are perspective views of other modified examples, and FIGS. 9, 10, and 11 are other modified examples, respectively. A perspective view, a sectional view of the main part, FIG. 12 is a perspective view of another modification, and FIG. 13 is an enlarged plan view of the main part.
14 to 16 show a second embodiment of the present invention, in which FIG. 14 is a perspective view of the basic embodiment, and FIG. 15 is a perspective view of an example using a ring instead of a loop. , FIG. 16 is an overall plan view, FIGS. 17 and 18 are a third embodiment of the present invention, FIG. 17 is a perspective view thereof, and FIG. 18 is a diagram showing a locking tooth and a locked tooth. FIG. 19 is a front view showing one state of use of the emergency entrance blind of the present invention. 3...Slat, 4...Lower stile, 6...Blind body, 9...Top slat, 10, 10a
...10h, 10k...hanging board, 13, 13b...
...13f...Latching groove, 16, 16e, 16f...
Locking pin, 20, 20a...20f, 20g, 2
0k...Operating rod, 22b...22e...Sliding plate,
26... Locking string, 27... Loop, 28... Locking rod, 29... Locking tooth, 30... Locking tooth.

Claims (1)

[Scope of Claims] 1. A hanging board that is tiltably suspended by a tilting operation string that is hung around a tilting shaft, and a blind main body that connects a large number of slats by a tilting string that is fixed to the topmost slat. An operating section is provided on the outdoor side of the hanging plate that can be freely engaged and disengaged via a locking and disengaging mechanism, and a plurality of locks can be released by operating the operating section from outside in an emergency. The emergency entrance is opened by simultaneously releasing the locking mechanism and separating the blind body from the hanging plate, and lowering it onto the lower stile whose upper end is fixed to the lower end of the lifting cord whose upper end is fixed to the hoisting shaft. A blind for an emergency entrance, characterized in that the blind is formed into a shape. 2. The emergency entrance blind according to claim 1, wherein the locking/disengaging mechanism comprises a pin having a head set upright on a slat and a locking groove attached to a hanging plate. 3. The locking/unlocking mechanism has a loop or ring at the tip thereof, and a locking string that connects the slat and the hanging plate;
The emergency entrance blind according to claim 1, further comprising a locking rod inserted through the loop or ring. 4. The emergency entrance blind according to claim 1, wherein the locking/disengaging mechanism comprises locking teeth formed on the slat side and locked teeth formed on the hanging plate.