JP3663350B2 - Openable surface grid - Google Patents

Description

[0001]
BACKGROUND OF THE INVENTION
The present invention relates to a surface grating in which a surface grating attached to a window frame can be opened as necessary without impairing the security function.
[0002]
[Prior art]
Since the surface lattice is for preventing illegal entry from a window or the like, it is usually fixed to a window frame and has a structure that cannot be easily removed from the outside.
[0003]
However, when a fire breaks out and it becomes impossible to escape from the entrance or the outlet, it may be necessary to break the face grid and escape. It reaches. In addition to the emergency escape of fire, there is a problem in cleaning the window frame rails and window glass that if the face grid is present, the window glass cannot be removed from the window frame and is difficult to clean. For this reason, several surface lattices that can be evacuated or opened as necessary have been proposed.
[0004]
[Problems to be solved by the invention]
However, looking at the openable surface lattices proposed so far, the structure is complicated and the manufacturing cost is high, or the opening is insufficient.
[0005]
In view of the above problems of the conventional openable surface grating, the present invention has an object to provide a surface grating that can be opened easily by simplifying the structure, reducing the manufacturing cost, and easily opening operation. .
[0006]
[Means for Solving the Problems]
In order to solve the above-described problems, the present invention is configured such that a plurality of vertical beams are fixed at a required interval between an upper horizontal beam and a lower horizontal beam, and the upper horizontal beam includes an upper bracket attached to a window frame and an upper horizontal beam. An upper mounting plate attached to the back surface of the crosspiece is attached so as to be rotatable around an axis parallel to the horizontal crosspiece. The lower horizontal crosspiece includes a lower bracket and a first link attached to the window frame. A first joint between the lower bracket and the first link, a second joint between the first link and the second link, via a second link and a lower mounting plate fixed to the back side of the horizontal rail, attached to form a third joint between the second link and the lower mounting plate, tatami Mareta state folding the first and second link by the lower bracket and the lower mounting plate and fixed means openable surface price which is set to be integrally In, in which the first and second link of the folded state is to be accommodated in the pockets of the lower rungs.
[0007]
According to the present invention configured as described above, when the fixing means is removed, the joints of the first and second links interposed between the lower horizontal rail and the window frame are extended and the lower side of the plane lattice is separated from the window frame and opened. Therefore, the structure is simple, the manufacturing cost can be reduced, and the handling is very simple.
[0008]
DETAILED DESCRIPTION OF THE INVENTION
Next, embodiments of the present invention will be described with reference to the drawings. As shown in FIG. 1, the surface lattice 10 is provided with a vertical cross beam 13 of rectangular tube material extruded in the same manner at an interval of 12 cm, for example, on an upper horizontal beam 11 and a lower horizontal beam 12 of a channel-shaped material extruded from aluminum. It is done.
[0009]
The upper horizontal rail 11 of the surface grid 10 is pivoted on a pin 16a (an axis parallel to the upper horizontal rail) by an upper bracket 14 attached to a window frame (not shown) and an upper mounting plate 15 attached to the back surface of the upper horizontal rail 11. ) And is pivotally attached.
[0010]
As shown in FIG. 3, the upper mounting plate 15 is inserted into the pocket of the upper horizontal rail 11 with a female plate 17 a provided with a female screw 17 a, and the upper horizontal rail 11 is interposed between the bearing plate 18 a and the upper mounting plate 15. The screw screw 19a is fastened with the ear portion 11a (see FIG. 1) interposed therebetween.
[0011]
The lower horizontal rail 12 and a window frame (not shown) are, as shown in FIGS. 4 and 5, a lower bracket 20, a first link 21, a first link 21, a second link 22, and a second link attached to the window frame. 22 and a lower mounting plate 23 attached to the back side of the lower horizontal rail 12 are connected by a joint.
[0012]
In the first joint 24a where the lower bracket 20 and the first link 21 are connected, an end of the lower bracket 20 is cut and raised 25a, a pin hole provided in that portion, and an end of the first link 21 are provided. The pin 16b is inserted into the pin hole.
[0013]
A second joint 24b in which the first link 21 and the second link 22 are connected is configured by inserting a pin 16c into a pin hole provided at the end of each link.
[0014]
In the third joint 24c where the second link 22 and the lower mounting plate 23 are connected, the end of the lower mounting plate 23 is cut and raised 25b, and the pin hole provided in that portion is connected to the end of the second link 22. A pin 16d is inserted into the provided pin hole.
[0015]
The lower between the lower mounting plate 23 under Buyoko桟1 2 Insert the caul plate 18b provided with a female screw 17b in the bosom of (see FIG. 1), the backing plate 18b and the lower mounting plate 23 rungs The screw screws 19b are fastened with the 12 ear portions 12a (see FIG. 1) interposed therebetween.
[0016]
During normal times, the first and second links 21 and 22 are folded and accommodated in the pocket of the lower horizontal rail 12, and the lower bracket 20 and the lower mounting plate 23 are fixed by a thumbscrew 27 (fixing means). It has been in a state that can not trespass.
[0017]
When the emergency escape or cleaning of the window frame rail or window glass is loosened, the wing portion of the wing screw 27 coincides with the deformed elongated hole 28 of the lower bracket 20 when the wing screw 27 is loosened. In this state, when the lower side of the surface lattice 10 is protruded outward, the joints 24 extend, the first and second links 21 and 22 are aligned, and the lower side of the surface lattice 10 is opened (see FIG. 2).
[0018]
In the above embodiment, the fixing means is constituted by the combination of the butterfly screw 27 and the deformed elongated hole 28. However, as shown in FIG. 6, the screw rod 29 is erected from the abutting plate 18b inserted into the pocket of the lower horizontal rail 12. It is also possible to replace the portion provided with the deformed elongated hole with a simple hole 30 and screw the thumbscrew 27a into the standing screw rod 29. Further, as shown in FIG. 7 and FIG. The scissor method 31 is provided with a scissor support 33 on the lower mounting plate 23 and a long hole 34 through which the scissor support 33 passes in the lower bracket 20. In the bayonet 32 system, a knock pin 36 having a protrusion 35 is planted on the lower mounting plate 23, a fool hole 37 is provided at a position where the knock pin 36 of the lower bracket 20 penetrates, and the knock pin 36 protruding from the fool hole 37 has a The structure is such that the lower mounting plate 23 and the lower bracket 20 are fixed by covering a socket 40 in which a leaf spring 38 is loaded and a hook-shaped long hole 39 is provided on the side surface.
[0019]
As shown in FIG. 2, the joint 24b connecting the first and second links 21 and 22 is bent when the surface lattice 10 is projected to be opened, so that the joint portion is absorbed to absorb the bending. Although a gap is provided in the joint, it can be a universal joint.
[0020]
9 and 10 show an embodiment in which the first link 61 and the second link 62 are not housed in the pocket of the lower horizontal beam 52 but are adjacent to the window frame. The assembly state of the crosspiece 53 and the place where the upper horizontal crosspiece 51 is rotatably attached to the window frame via the pin 56a by the upper bracket 54 and the upper attachment plate 55 are the same as in FIG.
[0021]
A lower attachment plate 63 is attached to the lower horizontal beam 52 by a lower abutment plate 58b and a screw screw 59b. The bent portion 63b of the lower attachment plate 63 and the lower bracket attached to the window frame are the first link 61 and the first link 61. The two links 62 are connected via pins 56b, 56c and 56d.
[0022]
The first link 61 and the second link 62 are adjacent to the window frame and bend along the inner surface of the window frame, and when the links are folded, the lower mounting plate 63 as shown in FIG. And the lower bracket 60 are in contact with each other, the thumbscrew 67 is fitted in the deformed elongated hole, and the face lattice is closed by placing the thumbscrew sideways.
[0023]
When the thumbscrew is made vertical, the fixed state of the lower mounting plate 63 and the lower bracket 60 is released, the first link 61 and the second link 62 can be extended, and the surface lattice is opened as shown in FIG. be able to.
[0024]
In this embodiment, since the positions of the first and second links 61 and 62 are adjacent to the window frame, the load on the bracket mounting portion 60b when the surface lattice 50 is opened can be reduced and damage can be prevented. In addition, the first and second links 61 and 62 are folded along the inner surface of the window frame so that they do not get in the way.
[0025]
【The invention's effect】
As described above, according to the present invention, it is possible to open the lower side of the surface lattice with a simple mechanism without increasing the cost, and to facilitate emergency escape and cleaning of the window frame rail and window glass. it can.
[Brief description of the drawings]
FIG. 1 is a perspective view of an embodiment according to the present invention. FIG. 2 is an open state diagram. FIG. 3 is a mounting state explanatory diagram of an upper horizontal beam. FIG. 4 is a fixed state explanatory diagram of a lower horizontal beam. And joint structure and fixing means explanatory diagram (1)
FIG. 6 is an explanatory diagram of a link, a joint structure, and fixing means (part 2).
FIG. 7 is an explanatory diagram (No. 3) of a link, a joint structure, and fixing means.
FIG. 8 is an explanatory view of a bayonet. FIG. 9 is a perspective view of another embodiment. FIG. 10 is an explanatory view of the link, joint structure and fixing means.
10, 50 plane lattice 11, 51 Upper horizontal beam 12, 52 Lower horizontal beam 13, 53 Vertical beam 14, 54 Upper bracket 15, 55 Upper mounting plate 16a, 56a Pin (connects upper bracket and upper mounting plate)
16b, 56b pin (first joint)
16c, 56c pin (second joint)
16d, 56d pins (third joint)
17a, 17b, 57b Female thread 18a, 58a Contact plate (on the upper side rail)
18b, 58b Batter plate (on the lower side rail)
19a, 59a Screw screw (on the upper side rail)
19b, 59b Screw screw (on the lower side rail)
20, 60 Lower bracket 21, 61 First link 22, 62 Second link 23, 63 Lower mounting plate 24a, 64a First joint 24b, 64b Second joint 24c, 64c Third joint 25a (lower bracket side)
25c Cut and raise (lower mounting plate side)
27, 27a, 67 Thumb screw 28, 68 Deformation long hole 29 Screw rod 30 Baffle hole 31 閂 32 Bayonet 33 閂 Receptor 34 Long hole 35 Projector 36 Knock pin 37 Fool hole 38 Leaf spring 39 鉤 shaped long hole 40 Socket

Claims (1)

A plurality of vertical bars are fixed at a required interval between the upper and lower horizontal bars, and the upper horizontal bars are horizontally mounted by an upper bracket attached to the window frame and an upper mounting plate attached to the back surface of the horizontal rail. The lower horizontal rail is fixed to the lower bracket, the first link, the second link, and the back side of the horizontal rail attached to the window frame. A first joint between the lower bracket and the first link, a second joint between the first link and the second link, and a second joint between the second link and the lower mounting plate. attached to form a third joint, with the said first and second link is folded, the openable plane grating the lower bracket and the said lower attachment plate is made to be integral by fixing means, First of the folded state Openable surface grating, wherein the second link is so as to be accommodated in the pockets of the lower rungs.

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