JPH0633943Y2 - Fire protection window device - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION [Industrial application] The present invention relates to a fire protection window device, and more particularly to a fire protection window device including a shield that closes a window opening when a fire occurs.

[Prior art and problems to be solved] In general, in the case of a three-story house, as a fire prevention standard, windows within 1m from the boundary must be a fireproof certified dead-end window or a fireproof certified self-closing open window. .

However, the intrusion window cannot be used in places that require normal ventilation, and the automatic closing open window allows normal ventilation, but the sensing device and drive device are large. It had the drawback of being expensive.

[Means for Solving the Problems] The present invention has been made to solve the above problems, and can close a window opening in the event of a fire without using a large-scale sensing device or a driving device, and is sufficient for normal times. An object of the present invention is to provide a fireproof window device that can be ventilated and can be easily installed.

And as a means for solving the problem, the present invention is a fireproof window device having a shield that closes a window opening in the event of a fire. In the case of a fire, the lock is released by the lock release device and it falls, and a storage unit that houses a shield that continuously closes the window opening in a chain is integrally provided. On the outdoor side of the upper frame that constitutes the window frame, an outdoor side piece that covers the shielding body that is stored above the window frame is provided.
The upper part of the indoor side of the window frame is a ventilation part corresponding to the storage part of the shielding body, and the lower part is a window part such as a sliding door, a sliding door, and a dead-end, and the outdoor side piece and the ventilation part. A storage part for the shield is located in between, and a ventilation space is provided between the storage part and the ventilation part, the lower part of which communicates with the outdoors.

[Embodiment] An embodiment of the present invention will be described below with reference to the drawings.

1 to 6 are views showing an embodiment of the present invention.

In the figure, reference numeral 1 denotes a building, and a window opening 2 of the building 1 has a fire prevention window device 3
Is attached, and the surface lattice 5 is attached to the outdoor wall surface 4 at the periphery of the window opening 2.

The fire prevention window device 3 includes a window frame 6, a shield 7, and a shoji 8.

The window frame 6 has an upper frame 9, a lower frame 10 and left and right vertical frames 11 and 12 formed into a rectangular frame corresponding to the window opening 2 and fixed to the window opening 2. A storage portion 13 for the shield 7 is formed on the outdoor side of the upper frame 9 of the window frame 6, and the shield 7 is stored in the storage portion 13.

The shield 7 is composed of a plurality of horizontally long shield plates 15. Each shield plate 15 has sliders 16 on both sides, and the sliders 16 are provided with guide grooves 17 provided on the opposite surfaces of the left and right vertical frames 11 and 12. Is engaged with. The guide groove 17 is provided in the lengthwise direction of the left and right vertical frames 11 and 12, and a plurality of guide grooves 17 are provided indoors and outdoors to guide the vertical movement of the plurality of shield plates 15. Further, each shielding plate 15 has an abutment piece 18 projecting in an inverted L shape toward the indoor side on the upper side, and an abutment side 19 projecting in an inverted T shape on both inside and outside the room on the lower side. . The contact piece 18 is capable of contacting the outdoor side upper surface of the contact piece 19 of the adjacent shield plate 15, and the indoor side upper surface of the contact piece 19 is the outdoor side of the contact piece 19 of the adjacent shield plate 15. It can come into contact with the lower surface.

Therefore, if the shield plate 15 at the outermost position is lifted up to the position of the storage portion 13 of the shield 7, the shield plate 15 is guided by the guide groove 17 and moves upward, and at the same time, the contact piece 19 of the shield plate 15 is housed. The inner upper surface comes into contact with the outdoor lower surface of the contact piece 19 of the adjacent shielding plate 15 to sequentially move the adjacent shielding plate 15 upward, and all the shielding plates 15 are placed inside the storage portion 13 of the shield 7 in the indoor / outdoor direction. It will be stored in a polymerized state. Then, in this state, the shield plate 15 at the outermost position is fixed to the unlocking device 20, and the shield 7 is attached.
It is designed to be supported and stored in the storage portion 13 of.

The unlocking device 20 is such that one end of a thermal fuse 21 that melts down when reaching a constant temperature (for example, 90 ° C.) due to a change in environmental temperature is attached to the upper wall of the storage portion 13 and the other end of the shielding plate 15 at the outermost position. The outdoor side piece 9a which is mounted on the outdoor side surface and covers the shielding plate 15 of the upper frame 9 is provided with a heat-sensitive hole 22 for transmitting the outdoor environmental temperature change to the temperature fuse 21 at a position corresponding to the mounting of the temperature fuse 21. Has become.

Therefore, when a fire occurs, the thermal fuse 21 is melted, the lock of the shield plate 15 at the outermost position is released, and each shield plate 15 falls by its own weight. In this case, the contact piece 18 of the shield plate 15 located on the outdoor side is adjacent to the shield plate 15 on the indoor side.
The contact piece 19 is brought into contact with the upper surface on the outdoor side, and the window opening 2 is closed continuously in a chain in the vertical direction. This makes it possible to prevent the fire from progressing. The abutment piece 18 of the shield plate 15 on the innermost side abuts and engages with the projection piece 23 provided on the upper frame 9 to prevent the fall. Further, the lower end portion of the shield plate 15 on the outermost side is fitted into a step portion 24 provided on the outdoor side of the lower frame 10 to prevent a fire from entering from the lower end portion. When it is unnecessary to close the window opening 2 after the fire ends, the shield 7 is placed in the storage section.
It can be used again in the normal condition by putting it in 13 and setting a new thermal fuse 21.

The upper part of the window frame 6 on the indoor side is a ventilation part 25 corresponding to the storage part 13 of the shield 7, and the lower part is a window part 26.

The ventilation section 25 includes a fixed plate 27 attached to the indoor side of the upper frame 9, a slide plate 28 slidably attached to the outdoor side of the fixed plate 27, and a screen door 29 attached to the outdoor side of the slide plate 28. A plurality of ventilation holes 27a, 28a are formed at corresponding positions of the fixed plate 27 and the slide plate 28, and the slide plate 28 can be slid from the indoor side by the knob 30 to adjust the ventilation amount. . Then, the storage portion 13 of the shield 7 and the ventilation portion 25
A ventilation space 31 whose lower part communicates with the outside is provided between and. Therefore, the ventilation space 31
And sufficient ventilation can be performed through the ventilation part 25. The lower ends of the fixed plate 27, the slide plate 28, and the screen door 29 are supported by an intermediate frame 32.
As a result, a window portion 26 is formed below the ventilation portion 25.

An inclining shoji 8 having a lower end rotatably supported by the lower frame 10 is attached to the window 26, and a screen 33 is attached to the outdoor side of the shoji 8. Therefore, it is possible to illuminate through the window portion 26 and to ventilate the air.

In the above embodiment, the thermal fuse 21 is used as the unlocking means of the unlocking device, but the invention is not limited to this, and various means such as means for unlocking the stopper using shape memory alloy are adopted. it can.

Further, although the folding-in type shoji 8 is attached to the window portion 26, it is not limited to this, and a sliding door, a swinging door such as an inward-opening door, a sliding door, or a dead-end type shoji can be attached. Good.

[Effect of the Invention] As described above, the fireproof window device of the present invention is always locked and stored in the window frame on the outdoor side in an upwardly overlapping manner, and can be locked by the locking release device when a fire occurs. The effect of being able to prevent the progress of the fire by automatically activating it in the event of a fire and closing the window opening as it was decided to provide a shield that will be released and dropped, and that will continuously close the window opening in a chain There is.

Moreover, since the shield is integrally provided in the window frame, it is integrated with the window as a unit.
The effect is that it can be easily attached to the window opening.

In addition, the upper part of the window frame on the indoor side is the ventilation part, the lower part is the window part, and the ventilation space communicating with the outside is provided between the storage part of the shield and the ventilation part. It can perform various ventilation.

Furthermore, since the outdoor side piece of the upper frame, the storage part, and the ventilation part are provided at the corresponding positions, the storage part and the ventilation part use the same position in the window frame when viewed from the front. Since the effective use of the ventilation part is achieved and the shield covers the front side of the ventilation part on the outdoor side, it is possible to prevent rainwater from hitting the ventilation part.

Furthermore, since a ventilation space is provided between the storage section and the ventilation section, there is an effect that sufficient ventilation can be performed without rainwater hitting the ventilation section.

[Brief description of drawings]

FIG. 1 is a vertical cross-sectional view showing a fire window device according to an embodiment of the present invention in a normal state, FIG. 2 is a vertical cross-sectional view showing a state in the event of a fire, and FIG. FIG. 4 is an enlarged cross-sectional view, FIG. 4 is a cross-sectional view of the fire protection window device of this embodiment, FIG. 5 is a front view of the fire protection window device of this embodiment seen from the outside, and FIG. It is the front view seen. 2: Window opening, 3: Fireproof window device 6: Window frame, 7: Shield 8: Shoji, 13: Storage part 20: Lock release device, 25: Ventilation part 26: Window part, 31: Ventilation space

Claims (1)

[Scope of utility model registration request] 1. A fireproof window device having the following requirements, which has a shield that closes a window opening when a fire occurs. (B) Inside the window frame that is framed in a rectangular shape, it is always locked and stored in the upper part in an overlapping manner, and when a fire occurs, the lock is released by the lock release device and falls, and it is chained. And a storage unit that stores a shield that closes the window opening continuously. (B) An outdoor side piece is provided on the outdoor side of the upper frame forming the window frame, the outdoor side piece covering the shield housed above the window frame. (C) The upper part on the indoor side of the window frame is a ventilation part corresponding to the storage part of the shield, and the lower part is a window part such as a hinged door, a sliding door, and a deadlock. (D) A storage part for the shield is located between the outdoor side piece and the ventilation part, and a ventilation space is provided between the storage part and the ventilation part, the lower part communicating with the outside. Become.