JP3247624B2 - Emergency escape 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 to be attached to a window opening of a building such as a building. The present invention relates to an emergency escape plane grid for enabling the system.

[0002]

2. Description of the Related Art Recently, with respect to a conventional fixed surface grid,
Emergency escape screen grids have been proposed in which the screen is opened in the event of a fire or the like and an emergency escape opening is formed in a window frame or the like. There are drawbacks such as not being able to catch urgency.

[0003]

SUMMARY OF THE INVENTION An object of the present invention is to make it possible to quickly and easily open an emergency surface grid in this type of emergency escape surface grid.

[0004]

In order to achieve the above object, an emergency escape surface grating according to the first aspect of the present invention is provided between the upper and lower guide frames 1 and 2 by attaching reference numerals in the drawings. A movable surface grid 4 which is always kept in a closed state, but is opened and moved laterally in an emergency to form an emergency escape opening 3.
The guide pieces 6, 7 are projected from the upper and lower ends of the movable face grid 4, and the guide pieces 6, 7 are laterally guided by the upper and lower guide frames 1, 2. Guide grooves 8 and 9 are provided over substantially the entire lengths of the guide frames 1 and 2, and are provided in the guide grooves 8 and 9 via the guide pieces 6 and 7 when the movable surface grid 4 is in a closed state. 4 are drawn in toward the room , and the guide pieces 6 (hereinafter referred to as reference symbols) are provided in the room.
Is only for the lower guide frame 1 to avoid complications
(Filled in) indicates that the movable surface grid 4 moves in the closing direction.
Provided on the moving end side and the open moving end side that moves in the opening direction, respectively.
The retractable groove 10 is moved toward the closed end and open.
The guide pieces 6a and 6b on the end side are provided in correspondence with the guide pieces 6a and 6b.
Of these, the retracting groove 10a on the closing movement end side is
Provided to bend at right angles to the indoor side with respect to the id groove 8
The pull-in groove 10b on the open moving end side is provided with the guide groove.
8 so that it can be bent in the inclined direction on the indoor side.
This is a configuration that has been performed .

[0005]

According to the second aspect of the present invention, after the movable surface grid 4 is moved from the closed position to the open position to form the emergency escape opening 3, the movable surface grid 4 is moved to the open position again. To move to the closed position through the guide piece 6 and the guide groove 8 for guiding the movable piece, and when the movable surface grid 4 is guided by the recessed grooves 10a and 10b communicating with the guide groove 8, the movable surface lattice 4 is drawn into the indoor side. During the movement of the movable surface grid 4 from its open position to the closed position, the guide pieces 6a on the closed moving end side of the movable surface grid 4 do not enter the open end side recess groove 10b of the guide frame 1 so as to enter the guide pieces. Blocking means 1
In which 2 the constitution and becomes claim 1 wherein provided.

Further, in the invention according to claim 3, the guide piece entry preventing means 12 is a guide piece entry prevention protruding piece 12A protruding near the entrance of the open end side recess groove 10b of the guide frame 1. According to a second aspect of the present invention.

Further, in the invention according to claim 4, the guide piece intrusion prevention means 12 is provided at the open end side of the guide frame 1 with respect to the width W1 of the guide piece 6a at the closed moving end side of the movable surface grid 4. The structure according to claim 2 , comprising a structure 12B in which the groove width D2 of the drawing groove 10b is reduced.

In the invention according to claim 5, FIG.
As shown in the figure, the movable surface lattice 4 is provided in a pair of left and right between the upper and lower guide frames 1 and 2,
0a, is guided to 10b are attracted to the indoor side two movable surfaces grating 4A, those 4B is made of a structure according to any one of claims 1-4 adapted to be maintained in the closed position flush with It is.

In the invention according to claim 6, FIG.
As shown in the figure, the left movable surface grid 4A is guided by the guide pieces 6 and the guide grooves 8 into which the guide pieces 6 are fitted, and is located on the outside of the right movable surface lattice 4B. 6. The structure according to claim 5, wherein the movable surface grating 4A is opened so as to be superposed on the outdoor side of the movable surface grating 4A.

[0011]

FIG. 1 is a front view showing an emergency escape surface grid according to an embodiment of the present invention, in which an outer frame is formed by upper and lower guide frames 1 and 2 and left and right vertical frames 13 and 14. 15 is formed, and a window frame (not shown) is generally or integrally provided on the indoor side of the outer frame 15.

A movable surface grid 4, specifically, a pair of left and right movable surface gratings 4A and 4B is provided between the upper and lower guide frames 1 and 2 as shown in FIG.
As shown by the solid line, the guide frame 1 is located in a closed state flush with each other at the center of the room inside and outside, that is, slightly inside the room.

In FIG. 1, upper and lower guide frames 1 and 2 are provided with guide grooves 8 and 9 over substantially the entire length in the longitudinal direction, and guide grooves 8 and 9 are provided at upper and lower ends of both movable surface gratings 4A and 4B. Guide pieces 6 and 7 that are moved by being fitted and guided are mounted via mounting brackets 16 and 17. The guide grooves 8 and 9 are provided with both movable surface gratings 4A and 4B through the guide pieces 6 and 7 on the indoor side of the guide frames 1 and 2 (FIG. 2).
As shown in FIG. 1, the recesses 10 and 11 to be drawn into the guide frame 1 at the center of the room and outside are provided in communication with the guide grooves 8 and 9, and the lower one of the mounting brackets 16 and 17 is provided. Reference numeral 16 denotes a guide roller 1 that guides both movable surface grids 4A and 4B to roll left and right along the guide frame 1.
8 is attached.

In FIG. 2, the recesses 10a, 10a at the left and right ends of the guide frame 1 are provided at right angles to the guide groove 8 toward the indoor side, that is, so as to be bent by about 90 degrees.
On the other hand, the recess 10 located at the center of the guide frame 1
b, 10b are inclined toward the indoor side with respect to the guide groove 8,
That is, it is provided so as to be bent substantially at 45 degrees (see also FIG. 1). A partition grid 19 (see also FIG. 1) is mounted on the upper and lower guide frames 1 and 2 at positions adjacent to each other on both movable surface grids 4A and 4B. In FIG. 1, as can be inferred from the state shown in FIG.
The guide pieces 6a, 6a fitted to 10a are attached to the mounting bracket 16 via the long shaft 20, so that the guide pieces 6a, 6a are located at deep portions of the recess grooves 10a, 10a. On the other hand, the guide pieces 6b, 6b fitted in the recessed grooves 10b, 10b located at the center of the guide frame 1 are attached to the mounting bracket 16 via a short shaft 21 shorter than the long shaft 20. The guide pieces 6b, 6b are located at shallow portions of the recess grooves 10b, 10b, the reason of which will be described later. In FIG. 2, the right movable surface grating 4A and the left movable surface grating 4B also indicated by chain lines show the positions opened from the left and right, respectively.

FIG. 3 is a sectional view taken along line AA of FIG. 1, and shows a movable surface grid 4 (4
A, 4B) are mounted on the upper and lower ends of a vertical bracket 16a fixed to the movable surface grid 4 and a horizontal bracket 16b bent in an L-shape toward the indoor side with respect to the vertical bracket 16a. 17), the guide pieces 6a and 7a are attached, and the lower guide frame 1 is further provided with a guide roller 18 and a support piece 22. As shown in FIGS. 1 and 2, a concave surface 23 is formed in the lower guide frame 1, and when the movable surface lattice 4 is in a closed state, the movable surface lattice 4 is supported by a support piece 22. And the guide pieces 6, 7 are located in the recessed grooves 10, 11, and the guide frames 1,
The guide roller 18 is supported between the two
It has become slightly raised from. The reason will be described later.

FIG. 4 is a cross-sectional view taken along the line BB of FIG. 1, and shows a guide piece 6 attached to the movable end of the movable surface grid 4 via the mounting brackets 16 and 17 (both ends in FIG. 1).
The guide grooves 8 and 9 of the upper and lower guide frames 1 and 2 and the drawing grooves 10 and 7 are provided through a long shaft 20 having a length L1.
11 is attached to be located at a deep part.

FIG. 5 is a cross-sectional view taken along the line CC of FIG. 1. The guide piece 6 is attached to the movable end of the movable surface grid 4 via the mounting brackets 16 and 17 (toward the center in FIG. 1).
b, 7b are formed in the shallow portions of the guide grooves 8, 9 of the upper and lower guide frames 1, 2 and the recessed grooves 10, 11 via a short shaft 21 having a length L2 shorter than the long shaft 20. Mounted to be located. A guide piece entry preventing projection 12A, which is a guide piece entry prevention means 12, protrudes from the guide grooves 8, 9 near the entrances of the drawing grooves 10, 11 communicating with the drawing grooves 10, 11, as shown in the figure. . Therefore, when the guide pieces 6b and 7b move from the guide grooves 8 and 9 to the drawing grooves 10 and 11, the guide piece intrusion preventing projections 12
It is provided at a shallow position where it can get over A.

FIG. 6 is an exploded perspective view of the movable surface gratings 4A and 4B near the closed moving end side (both ends in FIG. 1) and the guide frame 1. Both ends of the movable surface gratings 4A and 4B in FIG. In the vicinity, a movable surface grid 4A composed of a vertical grid 24 and a lower rail 25
(4B) Mounting bracket 1 fixed to lower rail 25
A guide roller 18 is axially supported on the vertical piece 16a of FIG. 6, and a support piece 22 and a long long shaft 2 having a length L1 are supported on the horizontal piece 16b.
The guide piece 6a is attached via the “0”. The guide frame 1 (2) is provided with a guide groove 8 having a groove width that allows the guide piece 6a to move smoothly and a drawing groove 10 communicating with the guide groove 8 at a bending angle of 90 degrees.
In addition, the upper surface of the guide frame 1 is formed on the recessed surface 23 so that the guide roller 18 is slightly lifted so as to be at the retracted position of the guide frame 1 in parallel with the drawing groove 10.

FIG. 7 shows the open end (the center in FIG. 1).
FIG. 3 is an exploded perspective view of the movable surface gratings 4A and 4B and the guide frame 1 in the vicinity, and a movable surface grating 4A including a vertical grating 24 and a lower beam 25 near the center of the movable surface gratings 4A and 4B in FIG. (4B) The guide roller 18 is supported by the vertical piece 16a of the mounting bracket 16 fixed to the lower rail 25, and the horizontal piece 16b is supported by the support piece 22 and the short short shaft 21 having the length L2. A guide piece 6b is attached.
In the guide frame 1 (2), the guide grooves 8 and 45
A guide groove 10A is provided at the center of the movable surface grids 4A and 4B. Since the guide pieces 6b, 6b are attached to the shallow portion of the recess 10 through the short shaft 21, the guide pieces 6b can enter the recess 10 over the guide piece intrusion preventing projection 12A. In addition, it is the same as that shown in FIG. 6 that it is formed in the recessed surface 23 in parallel with the drawing groove 10.

FIG. 8 shows the movable surface grid 4A (4
B) shows the operation state. When an emergency occurs, first, as shown in FIG.
What is necessary is just to press the vicinity of the closing movement end side of A (the left end side in the figure) in the outward direction (indicated by an arrow) with a forcible force. As a result, the end groove 10a is formed at right angles to the guide groove 8, so that the movable surface lattice 4A smoothly moves to the outside as shown in the figure around the central guide piece 6b. Moving. In this case, it is conceivable that the recessed groove 10a on the end portion is provided to be inclined in the opening direction in the same manner as the recessed groove 10b on the center portion. However, if the recessed groove 10a is provided so as to be inclined in the opening direction, The movable surface grid 4A is not merely pressed from the indoor side toward the outdoor side, but if not pressed in an opening direction orthogonal thereto, the end of the movable surface grid 4A is subjected to the resistance of the draw-in groove, and the end portion of the movable surface grid 4A is moved toward the outdoor side. It is difficult to open, but as in the embodiment of the present invention, the recess 10
a at a right angle to the guide groove 8, the movable surface grid 4A can be formed without receiving the resistance of the drawing groove 10a.
Can be opened smoothly. Then, the movable surface grid 4A is pushed into the recessed groove 10b as shown in (b) by pressing the movable surface grating 4A near the open moving end side (right end side in the drawing) to the outside as shown by an arrow. Guided to move to the outside.

According to the embodiment of the present invention, when the movable surface grating 4A (4B) is forcibly moved from the indoor side to the outdoor side, the movable surface grating 4A (4B) is located at the lower end thereof. While being supported by the support piece 22, the lower end of the support piece 22 moves so as to slide on the upper surface of the guide frame 1,
In addition, since the guide roller 18 moves to the outside of the room while slightly rising from the recessed surface 23, the guide roller 18 and its shaft support are not damaged during the movement. Accordingly, as shown in (c), by moving in the opening direction indicated by the arrow (rightward in the figure), the movable surface grid 4A can move to a position where it overlaps the outdoor side of the other movable surface grid 4B. As a result, the emergency escape opening 3 is formed.

The emergency is released and the movable surface grid 4A is released.
When the movable surface grid 4A is moved in the direction of the arrow indicated by the dashed line (the left direction in the figure) as shown in (c) in order to return to the original position (see FIG. 2), Guide piece 6 on the closing movement end side (left end side in the figure) of movable surface grid 4A
a is a center-side recessed groove 10b where a is branched from the guide groove 8.
In this regard, according to the embodiment of the present invention, as shown in FIG. 6, the guide piece 6a on the closing movement end side (the left end side in the figure) of the movable surface grid 4A has a long length. Since the guide piece 6a is provided at a position deep in the guide groove 8 via the long shaft 20 of the length L1, the guide piece 6a prevents the guide piece 6a from trying to enter the drawing groove 10b during the movement as shown in the figure. The guide piece 6b is blocked by the piece 12A and can pass without entering the drawing groove 10b, while the guide piece 6b on the open moving end side (right end side in the figure) of the movable surface lattice 4A is, as shown in FIG. , A guide groove 8 via a short shaft 21 having a length L2,
Therefore, since the guide piece 6b is provided at a shallow position of the drawing groove 10b, the guide piece 6b can smoothly enter the drawing groove 10b from the guide groove 8 over the guide piece entry preventing protrusion 12A.

Then, the movable surface grating 4A is inserted into the guide grooves 8 and 9.
When the movable surface lattice 4A is guided into the indoor side by the guide grooves 10 and 11 from the vicinity of the closing movement end side of the
And the guide roller 18 is in contact with the concave surface 23.
Since it is guided to the indoor side with the top slightly raised,
The movable surface grid 4A can be smoothly drawn to the indoor side, and the guide roller 18 and its supporting portion are not damaged during the drawing operation.

As described above, according to the embodiment of the present invention, even when the movable surface grids 4A and 4B are returned to the original positions after the emergency is unlocked, the return operation can be performed very smoothly.

FIGS. 11 to 20 show another embodiment of the present invention. Since the difference from the above embodiment lies in the guide piece intrusion prevention means 12, the description will be focused on the difference, and the same components as those in the above embodiment will be described with the same reference numerals assigned to the corresponding parts. May be omitted.

FIG. 11 shows the same structure as that of FIG. 1. The upper and lower guide frames 1 and 2 are provided with guide grooves 8 and 9 over substantially their entire length in the longitudinal direction. Guide pieces 6 and 7 which are fitted and guided by guide grooves 8 and 9 to be moved are attached to upper and lower ends of the surface lattices 4A and 4B via mounting brackets 16 and 17, respectively.
A pull-in groove 10 for pulling both movable surface gratings 4A and 4B into the indoor side of the guide frames 1 and 2 through the guide pieces 6 and 7 (the center of the indoor and outdoor width of the guide frame 1 as shown in FIG. 2). , 1
1 is provided in communication with the guide grooves 8 and 9, and the lower mounting bracket 16 of the mounting brackets 16 and 17 is provided with both movable surface gratings 4 </ b> A and 4 </ b> B along the guide frame 1. Is the same as that of the embodiment shown in FIG.

FIG. 12 corresponds to FIG. 2 and shows the recesses 10a, 10a at the left and right ends of the guide frame 1. FIG.
Are provided so as to be bent at right angles to the guide groove 8 on the indoor side, that is, approximately 90 degrees, and the recessed grooves 10 b, 10 b located at the center of the guide frame 1 are It is the same as the above-mentioned embodiment in that it is provided so as to be inclined inward, that is, bent at approximately 45 degrees.

FIG. 13 is a sectional view taken along the line DD of FIG.
(4A, 4B) is a mounting bracket 16 at its upper and lower ends, comprising a vertical piece 16a fixed to the movable surface grid 4 and a horizontal piece 16b bent in an L-shape toward the indoor side with respect to the vertical piece 16a. The guide pieces 6a, 7a are attached via
The lower guide frame 1 further includes a guide roller 18.
And the support piece 22 are attached. As shown in FIGS. 11 and 12, a concave surface 23 is formed in the lower guide frame 1, and when the movable surface lattice 4 is in a closed state, the movable surface lattice 4 is supported by the support pieces 22. And the guide pieces 6, 7 are located in the recessed grooves 10, 11, and the guide frames 1,
The guide roller 18 is supported between the two
This is also the same as the above-described embodiment in that it is slightly raised from the above.

FIG. 14 is a sectional view taken along the line EE of FIG. 11, and in this embodiment, unlike the previous embodiment, the closed moving end of the movable surface grid 4 via the mounting brackets 16 and 17. The guide pieces 6a, 7a attached to the side (both ends in FIG. 11) are vertically guided by a short shaft 21 having a length L2 (a long shaft 20 in FIG. 4 of the embodiment). 1, 2 guide grooves 8, 9 and pull-in grooves 10, 1
1, and the guide grooves 8, 9 provided in the upper and lower guide frames 1, 2 are formed so that the groove width D1 of the shallow portion is wide as shown in the figure. 8a and 9a, and narrow and deep groove portions 8b and 9b in which the groove width D2 of the deep portion of the groove is formed to be narrow, and is a guide piece attached to the closed moving end side of the movable surface lattice 4 (both ends in FIG. 11). 6a and 7a are formed in a wide width W1 corresponding to the groove width D1 of the wide shallow groove portions 8a and 9a.

FIG. 15 is a cross-sectional view taken along the line FF of FIG. 11, and shows a guide piece 6b mounted on the movable end of the movable surface grid 4 via the mounting brackets 16 and 17 (the central portion in FIG. 1). , 7b are formed to have a width W2 substantially the same as the groove width D2 of the narrow and deep grooves 8b, 9b, and a long axis having a length L1 longer than the short axis 21 contrary to the above embodiment. 20, the guide grooves 8 and 9 of the upper and lower guide frames 1 and 2 and the narrow and deep grooves 8 b and 9 b of the drawing grooves 10 and 11 are fitted. The recessed grooves 10a, 10a communicating with the guide grooves 8, 9 on the closed moving end side (both ends in FIG. 11) of the movable surface lattice 4 have a wide width D1 corresponding to the groove width D1 of the wide and shallow groove portions 8a, 9a. On the other hand, the leading grooves 10b, 10b communicating with the guide grooves 8, 9 on the open moving end side (the center part side in FIG. 1) of the movable surface grid 4 are formed with the narrow and deep grooves 8b, 9b. (See FIGS. 16 and 17).

FIG. 16 is an exploded perspective view of the movable surface lattices 4A and 4B near the movable end of the movable surface lattice 4 (both ends in FIG. 1) and the guide frame 1. FIG. 4A,
In the vicinity of both ends of 4B, a guide roller 18 is supported by a vertical piece 16a of a mounting bracket 16 fixed to a lower rail 25 of a movable surface grid 4A (4B) composed of a vertical grid 24 and a lower rail 25, and horizontally. The support piece 22 and the length L
The guide pieces 6a, 6a are attached via two short short shafts 21. The guide pieces 6a, 6a are formed in the wide width W1 as described above. Of the guide grooves 8 (9) formed in the guide frame 1 (2), the wide and shallow groove portions 8a, 9a of the shallow and wide D1 are formed. The recessed groove 10 (11) which is adapted to be fitted and communicates with the guide grooves 8, 9 at a bending angle of 90 degrees is also formed to have the same wide groove width D1 as the wide shallow groove portions 8a, 9a. . In addition, the recessed groove 1
The point that the upper surface of the guide frame 1 is formed on the recessed surface 23 so that the guide roller 18 is slightly lifted up so as to be in the retracted position of the guide frame 1 in the same manner as in the above-described embodiment.

FIG. 17 is an exploded perspective view of the movable surface gratings 4A and 4B near the open moving end side (the central portion side in FIG. 1) of the movable surface grating 4 and the guide frame 1, and the movable surface of FIG. Lattice 4
In the vicinity of the center of A and 4B, the vertical lattice 24 and the lower rail 25
A guide roller 18 is pivotally supported on a vertical piece 16a of the mounting bracket 16 fixed to the lower rail 25 of the movable surface grid 4A (4B), and a support piece 22 and a length L1 are provided on the horizontal piece 16b. Guide pieces 6b, 6 via the long shaft 20
b is attached. And the guide pieces 6b, 6b
Of the guide groove 8 (9) formed in the guide frame 1 (2), is fitted into the deep and narrow groove portions 8b, 9b of D2, and the guide pieces 6b, 6b Width W2
Is formed to be approximately the same width as the groove width D2 of the narrow and deep groove portions 8b and 9b, and the drawing groove 10 (11) communicating with the guide grooves 8 and 9 at a bending angle of 45 degrees is also formed in the narrow and deep groove portions 8b and 9b.
9b is formed with the same narrow groove width D2. In addition, it is the same as that shown in FIG. 16 that the recessed surface 23 is formed in parallel with the drawing groove 10.

FIG. 18 shows the movable surface grid 4A at the time of emergency escape.
(4B) shows the operating state. When an emergency occurs, first, as shown in (a), the vicinity of the closed moving end side (left end side in the figure) of the movable surface grid 4A is naturally directed outward from the indoor side. (Indicated by an arrow) with a forced force. As a result, the end groove 10a is formed at right angles to the guide groove 8, so that the movable surface lattice 4A smoothly moves to the outside as shown in the figure around the central guide piece 6b. Moving. In this case, it is conceivable that the recessed groove 10a on the end portion is provided to be inclined in the opening direction in the same manner as the recessed groove 10b on the center portion. However, if the recessed groove 10a is provided so as to be inclined in the opening direction, The movable surface grid 4A is not merely pressed from the indoor side toward the outdoor side, but if not pressed in an opening direction orthogonal thereto, the end of the movable surface grid 4A is subjected to the resistance of the draw-in groove, and the end portion of the movable surface grid 4A is moved toward the outdoor side. Although it is difficult to open the movable surface grid 4A smoothly without receiving the resistance of the recess 10a by providing the recess 10a at right angles to the guide groove 8 as in the embodiment of the present invention. This is the same as in the above-described embodiment. Then, the movable surface grid 4A is pushed into the recessed groove 10b as shown in (b) by pressing the movable surface grating 4A near the open moving end side (right end side in the drawing) to the outside as shown by an arrow. Guided to move to the outside.

When the movable surface grating 4A (4B) is forcibly moved from the indoor side to the outdoor side, according to the embodiment of the present invention, the movable surface grating 4A (4B) is located at the lower end. While being supported by the support piece 22, the lower end of the support piece 22 moves so as to slide on the upper surface of the guide frame 1,
In addition, since the guide roller 18 moves to the outside of the room while slightly rising from the recessed surface 23, the guide roller 18 and its shaft support are not damaged during the movement. Therefore, by moving in this state in the opening direction as shown by the arrow, as shown in (c), the movable surface grid 4A can move to a position where it overlaps the outdoor side of the other movable surface grid 4B. Thus, the emergency escape opening 3 is formed.

The emergency is released and the movable surface grid 4A is released.
To return to the original position (see FIG. 12), (c)
When the movable surface grid 4A is moved in the direction of the arrow indicated by the dashed line (left direction in the drawing), the guide piece on the closed moving end side (left end side in the drawing) of the movable surface grating 4A in the middle of the movement. 6
a is a center-side recessed groove 10b where a is branched from the guide groove 8.
In this respect, according to the embodiment of the present invention, as shown in FIG. 16 and FIG.
A guide piece 6a on the closing movement end side (the left end side in the figure) of A has a wide shallow groove portion 8 of the guide groove 8 via a short shaft 21 having a length L2.
a, 9a, and the central recess 10b branching from the guide groove 8 has a groove width D2 of the narrow and deep groove portions 8b, 9b narrower than the groove width D1 of the wide and shallow groove portions 8a, 9a. Since the guide pieces 6a are formed to have the same narrow width, even if the guide pieces 6a try to enter the recessed grooves 10b during their movement as shown in the figure, the width W1 of the guide pieces 6a is set to the groove width D2 of the recessed grooves 10b (see FIG. 17), the drawing groove 10
b on the other hand, and the guide piece 6 on the open moving end side (the right end side in the figure) of the movable surface grid 4A.
As shown in FIGS. 17 and 20, b is the narrow and deep groove portions 8b and 9b of the guide groove 8 via the long shaft 20 of the length L1 and the same narrow drawing as the narrow and deep groove portions 8b and 9b. Since the guide piece 6b is located at the position of the groove 10b and the width W2 of the guide piece 6b is formed as narrow as the groove width D2 of the narrow and deep groove portions 8b and 9b, the guide groove 8, more precisely, the narrow and deep groove portion 8b can smoothly enter the drawing groove 10b.

Then, the movable surface grating 4A is inserted into the guide grooves 8 and 9.
When the movable surface lattice 4A is guided into the indoor side by the guide grooves 10 and 11 from the vicinity of the closing movement end side of the
And the guide roller 18 is in contact with the concave surface 23.
Since it is guided to the indoor side with the top slightly raised,
The movable surface grid 4A can be smoothly drawn to the indoor side, and the guide roller 18 and its shaft support portion are not damaged during the pulling operation, as in the above embodiment.

As described above, according to the embodiment of the present invention, even when the movable surface grids 4A and 4B are returned to the original positions after the emergency is unlocked, the return operation can be performed extremely smoothly.

According to the above embodiment of the present invention, a pair of movable surface gratings 4A and 4B are provided between the upper and lower guide frames 1 and 2. Only one movable surface grid 4A or 4B may be provided, and the other half may be attached to the upper half of the upper and lower guide frames 1 and 2 at an appropriate interval in the same manner as the partition grid 19 to form a fixed surface grid. In order to keep the movable surface gratings 4A, 4B in a closed state, a well-known locking device which can be easily destroyed by applying a slight force in an emergency or can be easily released is provided. Of course, it may be possible.

[0039]

According to the first aspect of the present invention, the opening operation of the movable surface lattice in an emergency is extremely easy, and the structure is simple, so that it can be manufactured at low cost.

[0040] According to the invention of claim 1, when opening the movable surface grid, the guide groove of the guide frame side for guiding the guide piece protruding from the upper and lower ends of the movable sliding surface grating,
The retractable groove that draws the movable surface lattice into the room is connected to the guide groove at a substantially right angle toward the room, so that the movable surface lattice can be smoothly moved to the outside without receiving the resistance of the retractable groove. Can be. In this case, it is conceivable that the recessed groove on the end side is provided to be inclined in the opening direction in the same manner as the recessed groove on the central portion side. It is not only to press the grid from the indoor side toward the outdoor side, but also to open the end of the movable surface grid to the outdoor side due to the resistance of the drawing groove if it is not pressed in the opening direction orthogonal to it. Although it is difficult, according to the present invention, since the drawing groove is provided at right angles to the guide groove, without receiving the resistance of the drawing groove,
The movable surface grid can be smoothly opened.

According to the second aspect of the present invention, even when the emergency is unlocked and the movable surface lattice is returned to the original position, the return operation can be performed extremely smoothly.

According to the third aspect of the present invention, the structure for returning the movable surface lattice to the original position after the emergency is unlocked can be manufactured extremely simply and at low cost.

According to the fourth aspect of the present invention, the structure for returning the movable surface lattice to the original position after the emergency is unlocked can be manufactured extremely simply and inexpensively.

According to the fifth aspect of the present invention, a pair of movable surface gratings is provided between the upper and lower guide frames, and the movable surface gratings are guided by the recesses of the guide frames and drawn toward the indoor side. Is maintained in the closed position in a flush state, so that in a normal closed state, appearance is no different from a general fixed surface lattice, and the appearance is good.

According to the invention of claim 6 , a pair of left and right movable surface gratings is provided between the upper and lower guide frames,
Since both the left and right movable surface grids can be opened, the emergency escape can be quickly performed without being hindered by obstacles near the surface grid in an emergency.

[Brief description of the drawings]

FIG. 1 is a front view of an emergency escape surface lattice according to an embodiment of the present invention.

FIG. 2 is a plan view of the same.

FIG. 3 is a sectional view taken along line AA of FIG. 2;

FIG. 4 is a sectional view taken along line BB of FIG. 2;

FIG. 5 is a sectional view taken along line CC of FIG. 2;

FIG. 6 is an exploded perspective view of the main part.

FIG. 7 is an exploded perspective view of another main part.

FIG. 8 is a diagram showing the same operating state.

FIG. 9 is a vertical sectional side view of the main part.

FIG. 10 is a vertical cross-sectional side view of another essential part.

FIG. 11 is a front view of an emergency escape surface lattice according to another embodiment of the present invention.

FIG. 12 is a plan view of the same.

FIG. 13 is a sectional view taken along line DD of FIG. 2;

FIG. 14 is a sectional view taken along line EE of FIG. 2;

FIG. 15 is a sectional view taken along line FF of FIG. 2;

FIG. 16 is an exploded perspective view of the main part.

FIG. 17 is an exploded perspective view of another main part.

FIG. 18 is a view showing the same operation state.

FIG. 19 is a vertical sectional side view of the main part.

FIG. 20 is a vertical sectional side view of another essential part.

[Explanation of symbols]

 DESCRIPTION OF SYMBOLS 1 Guide frame 2 Guide frame 3 Emergency escape opening 4 Movable surface lattice 5 Movable surface lattice 6 Guide piece 7 Guide piece 8 Guide groove 9 Guide groove 10 Retraction groove 11 Retraction groove 12 Guide piece intrusion prevention means

Claims (6)

(57) [Claims] 1. An emergency escape system comprising a movable surface grid between an upper and a lower guide frame, which is always kept closed but is opened and moved laterally in an emergency to form an emergency escape opening. In the surface lattice, guide pieces are projected from upper and lower ends of the movable surface lattice, and guide grooves for guiding the guide pieces in the upper and lower guide frames in a lateral direction are provided over substantially the entire length of the guide frame. pull grooves to pull the movable surface grating to the indoor side through the guide piece when the closed state of the movable surface grating is continuously provided toward the interior direction, noted and the Guy
The do-piece is on the closing movement end side where the movable surface grid moves in the closing direction.
Is provided at the opening movement end side that moves in the opening direction and
The retracting groove is provided on each of the closed moving end side and the open moving end side.
It is provided corresponding to the guide piece, of which the closed moving end
Side of the guide groove is perpendicular to the indoor side with respect to the guide groove.
The groove is provided to bend in the direction
Is bent in the inclined direction toward the indoor side with respect to the guide groove.
Emergency escape screen grid provided in this way. 2. The guide piece and a guide for guiding the movable surface grid from the open position to the closed position again after the movable surface lattice is moved from the closed position to the open position to form an emergency escape opening. When the movable surface grating is moved from the open position to the closed position when the movable surface lattice is moved from the open position to the closed position when the movable surface lattice is guided to the indoor side by being guided by the drawing groove communicating with the guide groove, the movable surface lattice guide pieces formed by providing an intrusion preventing means according to claim 1 emergency escape plane lattice according to closing movement end side of the guide piece does not enter the open end side pull grooves of the guide frame. 3. The emergency escape surface lattice according to claim 2, wherein said guide piece entry preventing means is a guide piece entry preventing projection protruding near an entrance of an opening end side recess groove of the guide frame. 4. The guide piece intrusion prevention means has a structure in which the width of the guide groove on the open end side of the guide frame is smaller than the width of the guide piece on the closed moving end side of the movable surface lattice. 2. The emergency escape plane grid according to 2. 5. A movable surface grid is provided between the upper and lower guide frames in a pair on the right and left sides, and is guided by a drawing groove of the guide frame and drawn toward the indoor side, so that both movable surface gratings are maintained in a flush position in a closed position. The emergency escape plane grid according to any one of claims 1 to 4 , wherein the emergency escape plane grid is used. 6. The movable grid on the left side is guided by the guide piece and the guide groove in which the guide piece is fitted, outside the movable grid on the right side, and the movable grid on the right side is the same as the movable grid on the left side. 6. The emergency escape surface grid according to claim 5 , wherein the emergency escape surface grid is opened so as to be superposed on the outdoor side.