JP2729197B2 - Grid - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a surface grid attached to the outside of a window, and more particularly to an openable surface grid which can be opened and evacuated in the event of a fire, earthquake or other emergency.

[0002]

2. Description of the Related Art An ordinary surface grid has a plurality of longitudinal ridges attached to an upper ridge and a lower ridge to form a grid unit, and the grid unit is mounted outside a window. Such a screen grid is firmly fixed to the wall of the building for security or danger prevention, and cannot be easily removed. For this reason, in the event of an emergency such as a fire or an earthquake, indoor persons cannot be evacuated from the window provided with the screen grid. Therefore,
As disclosed in Japanese Patent Application Laid-Open No. Hei 3-172492, a surface lattice has been proposed in which a lattice unit can be easily opened from the indoor side. That is, the upper horizontal member constituting the lattice unit is supported vertically rotatably on the upper member suspended on the outside of the window frame, and the lower horizontal member constituting the lattice unit and the upper horizontal member are suspended on the outside of the window frame. A lock mechanism is provided over the lower ridge, and the lock mechanism is released from the indoor side so that the lattice unit is turned upward toward the indoor side to be opened.

[0003]

With such a screen grid, it can be opened in the event of a fire, earthquake, or other emergency to evacuate people indoors. However, for security reasons, the lock mechanism must not be released by people outside the room. It is. For this reason, when an outdoor person cannot open the surface lattice, a person who does not have the ability to release the lock mechanism in the room, such as an infant or a sick person, cannot rescue the person when there are.

Accordingly, an object of the present invention is to provide a plane grating capable of solving the above-mentioned problems.

[0005]

A lattice unit D is arranged outside the window 6 and the upper part of the lattice unit D is connected to the upper part outside the window 6 so as to be rotatable in an out-of-plane direction. A lock mechanism 2 that can be operated from the indoor side and can be operated by the lock 26 over the lower part of the unit D and the lower part of the window 6 outside the room.
0 is attached, and the lock 26 allows the key 25 to be inserted from the outdoor side.

[0006]

[Work] If the lock mechanism 20 is operated from the indoor side to unlock the lower part of the lattice unit D and the lower part of the window 6 outside the room, the lattice unit D can be pivoted out of the plane to open the plane lattice. In the event of an emergency, people in the room can escape outside. The lock mechanism 20 can be unlocked by inserting and operating the key 25 into the lock 26 from the outdoor side.
5 can rescue a person who does not have the ability to operate the lock mechanism in the room by opening the surface grid from the outside by opening the surface grid, and the grid unit D cannot be rotated unless the key 25 is used in normal times. Has a security function from.

[0007]

[Embodiment] As shown in FIGS. 1 and 2, a window frame 4 composed of an upper frame 1, a lower frame 2, and right and left vertical frames 3 is attached to an opening B of a building wall A. A pair of sashes 5 and 5 are installed in the window frame 4 by pulling to form a window 6.
A surface lattice C is attached to the outside of the room.

The surface lattice C is a hollow elongated elongated member 11 attached to the building wall A by the upper bracket 10 and a lower member 1 attached to the building wall A by the lower bracket 12.
The upper ridge 11 is attached to the upper ridge 11 so as to be rotatable in an out-of-plane direction, and the lower ridge 13 is attached to the lower ridge 15. A plurality of longitudinal ridges 16 are provided as a lattice unit D.

The upper horizontal member 14 comprises an upper plate 14a and a lower plate 14b.
The hollow part 17 on the indoor side and the hollow part 1 on the outdoor side by the indoor vertical plate 14c, the intermediate vertical plate 14d, and the arc-shaped outdoor vertical plate 14e.
8, the hollow portion 18 on the outside of the room is fitted into the upper ridge 11, and the upper horizontal ridge 14 is rotatable out of the plane around the upper ridge 11. The lower horizontal ridge 15 includes an upper plate 15a, a lower plate 15b, an indoor vertical plate 15c, and an outdoor vertical plate 1.
5d is a long material having a rectangular cross section and a hollow shape.

[0010] The upper lateral ledges 14 and the lower lateral rungs 15, as shown in FIG. 3, both end portions 14 _1, 14 _1, 15 _1, 15 ₁ and the intermediate portion 14 _2, 14 _2, 15 _2, 15 ₂ and the central Part 14 ₃ , 1
5 ₃ and 5 divided by grating unit D is divided into five ends grating unit D _1, D ₁ and the intermediate grating unit D _2, D ₂ and the central grating unit D _3, the middle grating unit D ₂
Width l becomes narrower than the width L of the opening 6a of the window 6 as shown in Figure 2, and the intermediate grating unit D ₂ faces the opening 6a of the window 6, the intermediate grating unit D ₂ lower horizontal rungs 14 intermediate grating unit D ₂ is detachably connected to the lower rung 13 by the lock mechanism 20 becomes swingable movable grating unit toward the indoor side, the lower side of the end and central grating unit D _1, D ₃ The support 15 is fixed to the lower support 13 with screws or the like to form a fixed lattice unit.

The lock mechanism 20 is, as shown in FIG.
An engagement member 22 swingably supported by the housing 21;
A receiving member 24 slidable along the slide base 23;
It comprises a lock 26 rotated by a key 25. As shown in FIG. 4, the housing 21 is formed by integrally forming a flange 28 on the periphery of a horizontally long rectangular cylindrical main body 27.
The main body 27 is inserted into a mounting hole 29 formed in the indoor vertical plate 15c of the lower horizontal ridge 15 as shown in FIG.
And is fixed to the indoor vertical plate 15c. As shown in FIG. 4, the engaging member 22 has a substantially U-shaped flat surface having a finger insertion concave portion 34 with a handle 31, an engaging piece 32, and a supporting piece 33, and the engaging member 22 is provided in the main body 27 of the housing 21. Inserted,
A vertical pin 35 is attached across the support piece 33 and the main body 27, and the engaging member 22 is supported swingably. As shown in FIG. 4, the slide base 23 has a guide groove 38 by integrally providing hooks 37, 37 on the upper and lower edges of a vertical plate 36 in the longitudinal direction. 1 and 6, a screw 42 is attached to the indoor vertical plate 13a of the lower support 13 through a hole 41 formed in the outdoor vertical plate 15d of the lower horizontal support 15, as shown in FIGS. As shown in FIG. 4, the receiving member 24 includes a vertical plate 43 which is slidably fitted along the guide groove 38 of the slide base 23, and a horizontal plate integrally provided at one longitudinal end of the vertical plate 43. Piece 44
And a pin 45 provided on the horizontal piece 44, and a slit-shaped vertical groove 46 and a through hole 4 are provided at the other longitudinal end of the vertical plate 43.
7 are formed, and the pin 45 and the engagement member 2 are formed as shown in FIG.
The two engaging pieces 32 are engaged and disengaged. The lock 26 is a cylinder lock having a lock body 48 and a rotator 49 that rotates by inserting the key 25. A board 50 is mounted on the rotator 49, and an operation pin 51 is attached to the rotator center 49a. The lock body 48 is eccentrically attached to the lock 13 as shown in FIGS.
Is inserted through a hole 52 formed in the substantially U-shaped outdoor panel 13b, and is fixed to the indoor vertical panel 13a of the lower support 13 by the screw 42, and its operating pin 51 is formed in the indoor vertical panel 13a of the lower support 13. The large diameter hole 53 is fitted into a vertical groove 46 formed in the vertical plate 43 of the receiving member 24.

[0012] Then by rotating the intermediate grating unit D ₂ upward explaining the operation of opening the surface grating. Normally lock 26
The key 25 is inserted into the key hole and the rotor 49 is rotated to set the operation pin 51 to the position shown in FIG. 6, and the receiving member 24 is slid along the slide base 23 by the operation pin 51 and the vertical groove 46. The position where the pin 45 is engaged with the engagement piece 32 of the engagement member 22 is set. Thus, the engagement piece 32 of the engaging member 22 even if an attempt is rotated intermediate grating unit D ₂ above can not be engaged with pivot upwardly to a pin 45 of the receiving member 24.

When the user grips the handle 31 of the engaging member 22 from the indoor side and pulls it toward the indoor side, the engaging member 22 swings around the vertical pin 35, and the engaging piece 32 separates from the pin 45 of the receiving member 24. since the engagement of the lower horizontal ledges 15 and Shita棧13 is released by, the surface grid can be opened by rotating the intermediate grating unit D ₂ upward with the handle 31 as it is.

To open the emergency grid during a fire, earthquake or other emergency, an outdoor person inserts the key 25 into the key hole of the lock 26 and rotates the rotor 49. This allows the operating pin 5
1 rotates eccentrically to slide the receiving member 24 rightward in FIG. 6 along the slide base 23, and the pin 45
The engagement between the lower horizontal support 15 and the lower support 13 is released by disengaging from the second engagement piece 32. Outdoor person in this state can be opened surface grating rotates upward by pressing the intermediate grating unit D ₂ to the indoor side.

In the above embodiment, the receiving member 24 is slid along the slide base 23. However, the receiving member 24 may be slid directly along the lower support 13, or the rotor 49 of the lock 26 and the receiving member 24 may be slid. May be linked with the operating pin 51 by a link or a cam instead of the vertical groove 46. Although the grid unit D is divided into a plurality of parts, the grid unit D may be integrated, and the whole grid unit D may be rotated to open the surface grid.

[0016]

When the lock mechanism 20 is operated from the indoor side to unlock the lower part of the lattice unit D and the lower part of the window 6 outside the room, the lattice unit D is rotated in the out-of-plane direction to open the plane lattice. Yes, people in the room can escape outside in an emergency.
Since the lock mechanism 20 can be unlocked by inserting the key 25 into the lock 26 from the outside and operating the lock mechanism, a specific person holding the key 25 can open the surface lattice from the outside and operate the lock mechanism in the room in an emergency. A person who does not have the ability to perform rescue can be rescued to the outside of the room, and has a security function because the grid unit D cannot be rotated unless the key 25 is used in normal times.

[Brief description of the drawings]

FIG. 1 is a vertical cross-sectional view of a surface grid mounting portion.

FIG. 2 is a cross-sectional view of a surface grid mounting portion.

FIG. 3 is a front view of the lattice unit.

FIG. 4 is an exploded perspective view of a lock mechanism.

FIG. 5 is an indoor side front view of a lock mechanism mounting portion.

FIG. 6 is a cross-sectional view of a lock mechanism mounting portion.

[Explanation of symbols]

6: window, 11: upper ridge, 13: lower ridge, 14: upper ridge, 15
... Bottom horizontal line, 16 vertical line, 20 locking mechanism, 22 engagement member, 23 slide base, 24 receiving member, 25 key, 26 lock, 49 rotator.

Claims (1)

(57) [Claims] 1. A lattice unit D is disposed outside the window 6 and an upper part of the lattice unit D is rotatably connected to an upper part outside the window 6 in an out-of-plane direction. A lock mechanism 20 that can be operated from the indoor side and that can be operated by the lock 26 is installed between
A surface grid in which the key 26 can be inserted from outside the lock 26.