JP2002309866A - Emergency grille for window - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide an emergency grille for windows, which enables installation of the grille even in the presence of an obstacle, etc., outside a window opening of a building and enables securement of an emergency exit of a required width even in a case of a small aspect width of the window opening. SOLUTION: The emergency grille for the windows is constituted by disposing many grille members 6 in a grille frame 5 formed of left and right vertical frames 2 and 3 and upper and lower horizontal frames 4. The emergency grille is composed of a fixed grille part 7, which is fixed to the window opening O of the building and whose required part is formed with the emergency exit Q, a movable grille part 8 for opening/closing the emergency exit Q, and a locking means 9 for locking the grille part 8 to a closed position.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to an emergency escape surface grid which always closes a window opening so that it can escape outside the room in the event of an emergency such as a fire.

[0002]

2. Description of the Related Art As a conventional emergency escape plane grid, a fixed bar fixed to a window opening of a building and a movable bar mounted on the fixed bar so as to be movable left and right or up and down to open and close the window opening. There is a surface lattice body which can be opened, but the surface lattice is designed to open the window opening by sliding the surface lattice body along the outer wall of the building to the outside of the window opening. Therefore, it cannot be applied to the case where there is an obstacle outside the window opening. In addition, there has also been proposed a structure in which the surface grid is constructed in a sliding screen manner so that the surface grid is attached in the window opening. However, according to such a surface grid, the width of the building window opening is narrow. In this case, there is an inconvenience that an emergency exit having a required width cannot be secured when the surface grid is opened.

[0003] In view of the above problems, the present invention allows a screen grid to be installed even if there is an obstacle or the like outside the building window opening, and even if the width of the window opening is small, the present invention is not required. It is an object of the present invention to provide an emergency escape plane grid that can secure a width emergency escape exit.

[0004]

According to the first aspect of the present invention, a large number of grid members 6 are arranged on a grid frame 5 formed by left and right vertical frames 2 and 3 and an upper and lower horizontal frame 4. An emergency escape surface grid, which is fixed to a window opening O of a building and has an emergency exit Q formed at a required portion thereof; and a movable lattice for opening and closing the emergency exit Q. Part 8,
Locking means 9 for locking the movable grid 8 in the closed position
And characterized by the following.

A second aspect of the present invention is the emergency escape surface grid according to the first aspect, wherein the movable grid portion 8 is detachably attached to the fixed grid portion 7 to the outside of the room.

A third aspect of the present invention is the emergency escape surface lattice according to the first aspect, wherein the movable lattice portion 8 is pivotally connected to the fixed lattice portion 7 so as to be openable to the outside of the room.

A fourth aspect of the present invention is the emergency escape surface grid according to any one of the first to third aspects, wherein the upper and lower horizontal frames 4, 4 of the grid frame 5 are provided.
The fixed grid portion 7 is formed by erection of the grid member 6 from the outside of the room except for a region extending a predetermined length from the left end or the right end of the grid member 4, and the emergency escape is performed to the predetermined region where the grid member 6 is not erected. An exit Q is formed, and the movable grid portion 8 that opens and closes the emergency exit Q is provided with upper and lower horizontal rails 14 and 1 that abut against upper and lower horizontal frames 4 and 4 of the grid frame 5 from outside the room, respectively.
4 and a plurality of lattice members 6 laid on the upper and lower horizontal rails 14 from the outside of the room.

According to a fifth aspect of the present invention, in the emergency escape surface lattice according to the fourth aspect, the locking means 9 for locking the movable lattice portion 8 in the closed position is provided with a horizontal bar 14 projecting to one end of the movable lattice portion 8. The one-end protruding portion 14a is inserted into an engagement recess 28 formed between the horizontal frame 4 of the fixed grid portion 7 and the grid member 6 to lock one end of the movable grid portion 8 and to move the movable grid portion 8 Lock piece 12 projecting from the lattice member 6 on the other end side
Is inserted into the vertical frame 2 of the lattice frame 5, and the locking piece 13 is locked by moving a locking rod 13, which is vertically movable within the vertical frame 2, to a locking position. Unlocking lever 1 that locks the other end and is interlocked with locking rod 13
By moving the locking lever 13 to the unlock position by operating the lock lever 12, the lock piece 12 is unlocked and the movable lattice portion 8 is unlocked.

According to a sixth aspect of the present invention, in the emergency escape surface lattice according to the fifth aspect, the movable lattice portion 8 is configured such that one end protruding portion 14a of the horizontal bar 14 protrudes into the engaging recess 28 and the lock piece 12 is a lattice. The fixed grid portion 7 is slidable in the left and right directions by a fixed range while being inserted into the vertical frame 2 of the frame 5, and the one end protruding portion 14 a of the horizontal bar 14 is always inserted into the engaging recess 28 by a spring 29. When the unlocking lever 10 is unlocked, the movable grid 8 slides along the fixed grid 7 so that the lock piece 12 comes out of the vertical frame 2. It is characterized by having.

[0010]

FIG. 1A is a front view of an emergency escape surface grid 1 according to an embodiment of the present invention as viewed from the outdoor side, and FIG. 1B is a front view of FIG. FIG. 2 is a front view of a state in which a movable grid portion 9 is removed from the grid 1, that is, a fixed grid portion 8 viewed from the outdoor side. This emergency escape surface grid 1 is a grid frame 5 formed by left and right vertical frames 2 and 3 and upper and lower horizontal frames 4 and 4.
A plurality of grid members 6 are arranged at regular intervals, and are fixed to a window opening O of a building, and an emergency exit Q is formed at a required portion thereof. A movable grid portion 8 for opening and closing the emergency escape exit Q, and a locking means 9 for locking the movable grid portion 8 in a closed position. Attached to.

As shown in FIG. 1B, the fixed grid portion 7 of the surface grid 1 is attached to the upper and lower horizontal frames 4 and 4 of the grid frame 5 except for a region extending a predetermined length from the left end thereof. A required number of grid members 6 are formed by laying them at a constant interval in the left-right direction. Thus, an emergency exit Q is formed in the predetermined area in the grid frame 5 where the grid members 6 are not laid. The fixed grid portion 7 is fixed to the window opening O by attaching the left and right vertical frames 2 and 3 of the grid frame 5 to the vertical frame member 38 of the sliding door sash 37 by a plurality of upper and lower mounting brackets 36. (See FIG. 7).

FIG. 2A is a front view of the movable lattice portion 8 removed from the fixed lattice portion 8 as viewed from the outdoor side, and FIG.
FIG. 2 is a front view of the movable grid section 8 as viewed from the indoor side. 3A is a cross-sectional view of a main part of the fixed lattice part 7 and the movable lattice part 8 attached thereto, and FIG. 3B is a state in which the movable lattice part 8 is removed from the fixed lattice part 7. FIG. As can be seen from these figures, the movable grid portion 8 is composed of upper and lower horizontal beams 14, 14 which respectively contact the upper and lower horizontal frames 4, 4 of the grid frame 5 of the fixed grid portion 7 from the outside of the room, and upper and lower horizontal beams 14. , 14 and the required number of fixed grid portions 7 erected from the outside of the room. The lateral end faces of the horizontal rails 14 that are close to the vertical frame 2 of the grid frame 5 when attached to the fixed grid portion 7 Sideways L-shaped lock pieces 12 are protruded at two upper and lower positions. One end of each horizontal bar 14 forms a protruding portion 14a that protrudes from the horizontal frame 4 on the opposite side to the horizontal bar 14 on which the lock pieces 12 protrude.

As shown in FIG. 3 and FIG.
Has the internal space 2 of the vertical frame 2 on the side facing the emergency exit Q
a, a locking rod 13 for locking the left end side of the movable lattice portion 8 through the lock piece 12 is inserted so as to be movable only up and down;
An unlocking lever 10 for unlocking the locking rod 13 is interlocked and connected to the locking rod 13.
Can be folded and stored in the indoor side recess 2b of the vertical frame 2. The vertical frame 2 has a movable grid 8
A lock piece insertion hole 15 into which the lock piece 12 is inserted is provided at two upper and lower positions, and a locking rod 13 fitted into the vertical frame 2 has a lock piece 12 inserted from the lock piece insertion hole 15 of the vertical frame 2. Locking recesses 16 are provided at two upper and lower positions for locking and locking.

FIG. 5 is a sectional view taken along the line XX of FIG. 4A, showing the arrangement of the locking rod 13 and the unlocking lever 10 in the vertical frame 2. FIG. 6 is an enlarged view of a part of FIG. And the internal structure of the unlocking lever 10 is shown. As can be seen from these figures, the locking rod 13 in the vertical frame 2 has a lower end supported by a lower limit positioning stopper 17 and an upper end face having a coil spring 18.
4A, is normally held in a locking position as shown in FIG. 4A. In this locking position, the locking recess of the locking rod 13 is inserted through the lock piece entry hole 15 of the vertical frame 2. The lock pieces 12 that have entered the lock 16 are locked by locking pieces 16a of the locking recess 16 so as to be locked. Then, the locking rod 13 at this locking position is unlocked by the unlocking lever 10 in FIG.
By moving upward to the unlocking position shown in FIG. 7, the locking piece 16a of the locking recess 16 is detached from the lock piece 12, and the lock piece 12 is unlocked.

As shown in FIG. 6, the unlocking lever 10 has a push rod 22 slidably fitted to the rear end of the casing 19 and a lever body 20 protruding from the tip of the push rod 22. Through the fixed guide 23 and the casing 19
, And a coil spring 24 is interposed between the push rod 22 and the fixed guide 23, and the tip of the lever body 20 is always slightly projected from the tip of the casing 19 so that the coil spring 24 By pushing the push rod 22 against the lever, the tip of the lever body 20 is projected by a required length. And the unlock lever 10 is
When the lever 10 is housed in the indoor recess 2 b of the vertical frame 2, the lower end of the lever 10 is pivoted at a position near the lower end of the locking rod 13.
5, and is always pivotally connected to the indoor side by a spiral spring 26 as shown by a solid line in FIG.
5 is retracted to the position shown by the imaginary line in FIG. 5 or the position shown by the solid line in FIG. 6 against the spiral spring 26 at the time of the unlocking operation.

The lower end surface 13a of the locking rod 13 is formed as an inclined surface, and the tip end of the lever body 20 of the unlocking lever 10 that moves horizontally contacts the inclined surface 13a.
By pressing 3a, the locking rod 13 moves upward from the unlocked position to the locked position. When the unlocking lever 13 is unlocked by the unlocking lever 10, the lever 10 is first moved from the storage position shown by the solid line in FIG. (The position shown by the solid line in FIG. 6), the push rod 22 is pushed forward against the coil spring 24 at this horizontal position, and as shown in FIG. When the lower end inclined surface 13a is pressed, the locking rod 13 is moved to the position shown in FIG.
And moves upward from the unlocked position shown in (b) to the locked position shown in FIG.

In this unlocking lever 10, as shown in FIG. 6, a stopper 27 is provided at the free end of the pushing rod 22, and unless the pressing piece 27a is pressed down, the pushing rod 22 is not pressed. Push operation cannot be performed.
This is to prevent the push-rod 22 from being easily pushed when the unlock lever 10 is tilted to the horizontal position by accident, such as when a child is in an emergency, and the locking rod 13 is accidentally unlocked. In order to prevent locking, the holding piece 27a is fixed at its leading end to the pushing rod 22, and its rear end and the recess 22 of the pushing rod 22 are fixed.
6 is held at a limit position as shown by the solid line in FIG. 6, and the step 27c of the pressing piece 27a hits the rear end of the casing 19 and is pushed by the push rod 22 at this limit position. The pushing operation is disabled, and the pushing piece 27a is pushed down and sinks into the recess 22a as shown by the phantom line in FIG.
The push operation can be performed by using

As described above, the locking rod 13 locks or locks the left end side of the movable lattice portion 8 through the lock piece 12, but the right end side of the movable lattice portion 8 is shown in FIG. As shown in the figure, each horizontal rail 1 protruding to the right end side of the movable grid 8
4 projecting into the engaging recess 28 formed between each horizontal frame 4 of the fixed grid portion 7 and the grid member 6 of the fixed grid portion 7 located at the right end of the emergency exit Q. Thereby, it is locked to the fixed lattice portion 7. Therefore, the locking means 9 includes means for locking the left end side of the movable grid 8 to the fixed grid 7 by the locking rod 13,
The protrusion 14a of each of the horizontal bars 14 of the movable grid portion 8 is made to protrude into the engaging concave portion 28, and means for locking the right end side of the movable grid portion 8 to the fixed grid portion 7 is included. The movable grid portion 8 can be securely locked in the closed position, and cannot be unlocked from the outdoor side unless the unlocking lever 10 is released.

Further, the movable grid portion 8 has one end projecting portion 14a of the horizontal bar 14 between each horizontal frame 4 of the fixed grid portion 7 and the grid member 6 of the fixed grid portion 7 located at the right end of the emergency exit Q. In a state where the lock pieces 12 protrude into the engagement recesses 28 and the lock pieces 12 protrude into the vertical frames 2 of the lattice frame 5, they are supported by the fixed lattice portion 7 so as to be slidable in a predetermined range in the left-right direction. One end protruding portion 14a of the crosspiece 14 is urged in a direction to protrude into the engaging concave portion 28, and when the unlocking lever 10 is unlocked, the movable grid portion 8 slides along the fixed grid portion 7. Each lock piece 12 comes out of the lock piece entry hole 15 (see FIG. 4) of the vertical frame 2.

The above structure will be further described with reference to FIGS. 3A and 3B. In the fixed lattice portion 7, a slide piece 30 is slid in the upper and lower horizontal frames 4 in the horizontal frame length direction. The slide piece 30 is urged by a coil spring 29 in a direction in which the one end protruding portion 14a of the horizontal bar 14 protrudes into the engagement recess 28, and a guide protrusion protruding from a side surface of the slide piece 30 is inserted. The child 31 is inserted through the horizontal frame 4 into two long holes 32 and 33 long in the left-right direction (see FIG. 1B).
Is protruded outward from one of the long holes 32. On the other hand, as can be seen from FIG. 2B, the movable grid portion 8 is provided with a hole 34 through which a guide projection 31 protruding from the slide piece 30 on the fixed grid portion 7 side penetrates into each horizontal rail 14. In addition, a guide projection 35 is provided to project into the other long hole 33 provided in the horizontal frame 4 of the fixed lattice portion 7.

When the movable grid portion 8 is attached to the emergency exit Q of the fixed grid portion 7, the unlocking lever 10 is unlocked and the locking rod 13 in the vertical frame 2 is moved to the position shown in FIG. One end protruding portion 14a of the horizontal bar 14 protruding toward one end (right end) of the movable lattice portion 8 in a state where it is positioned at the unlocking position as shown in FIG.
Into the engaging recess 28 between the fixed escape portion Q and the grid member 6 of the fixed mesh portion 7 located at the right end of the emergency exit Q.
The guide projections 31 protruding from the horizontal frame 4
And the guide projection 31 of the horizontal frame 4 is inserted into the hole 34 of the horizontal rail 14. At this time, the movable grid portion 8 is moved by the coil spring 29 so that the one end protruding portion 1
4A is pulled so as to protrude to the depth of the engagement recess 28, the lock piece 12 protruding toward the other end (left end) of the movable lattice portion 8 is indicated by a virtual line in FIG. As can be seen from the drawing, the vertical frame 2 has not yet entered the locking recess 16.

Therefore, by pulling the movable lattice portion 8 toward the vertical frame 2 against the urging force of the coil spring 29,
The lock piece 12 of the movable lattice portion 8 is inserted into the lock piece entry hole 15 of the vertical frame 2.
From the locking recess 13 of the locking rod 13 as shown in FIG.
(B), and in this state, the unlock lever 1
By operating the lock lever 13 to move the locking rod 13 which has been in the unlocking position to the locking position, the locking piece 16a on the locking rod 13 side becomes the locking piece 12 as shown in FIG. The lock 12 is locked by locking. As a result, the movable grid portion 8 is attached to the fixed grid portion 7 while being locked at the position where the emergency exit Q is closed. In this locked state, as shown in FIG. 4 (A), the movable grid portion 8 is urged in the protruding direction in a state where one end protruding portion 14a of the horizontal bar 14 protrudes into the engagement concave portion 28 by a spring 29. Have been.

When the movable grid portion 8 locked at the position for closing the emergency exit Q as described above is detached from the fixed grid portion 7 in the event of an emergency such as a fire, the unlock lever 10 is operated. Then, when the locking rod 13 is moved from the locking position shown in FIG. 4A to the unlocking position shown in FIG.
The locking of the lock piece 12 by the locking rod 13 is released, and the movable grid portion 8 which has been in the state shown by the solid line in FIG. 3A until then is fixed grid by the urging force of the coil spring 29 on the fixed grid portion 7 side. As shown in the phantom line in FIG. 4B, the one end protruding portion 14a of the horizontal rail 14 is
Of the lock recesses 12 into the engagement recess 28 on the side of the
Comes out of the vertical frame 2.

In this state, when the movable grid portion 8 is pushed out to the outside of the room, the movable grid portion 8 is moved to the position shown in FIG.
From the state of the imaginary line shown in FIG.
3 (B), it is completely detached from the fixed grid portion 7 as shown by the solid line in FIG. 3 (B), whereby the emergency exit Q is opened and it is possible to escape. . The state in which the movable grid portion 8 is separated from the fixed grid portion 7 is also indicated by a virtual line in FIG.

As described above, when the locking lever 13 is unlocked by operating the unlocking lever 10, the movable grid 8 is moved by the biasing force of the coil spring 29 on the fixed grid 7.
The lock piece 12 slides toward the central portion of the vertical frame 2 and comes out of the vertical frame 2, so that the detaching operation of the movable lattice portion 8, that is, the removing operation can be performed quickly and easily.

In the emergency escape plane grid 1 described above, an emergency exit Q is formed in a required portion of the fixed grid section 7 fixed to the window opening O of the building, and the emergency exit Q is opened and closed. Since the movable grid portion 8 is locked by the locking means 9 by providing the grid portion 8, even if there is an obstacle outside the window opening O, the plane grid 1 can be installed. Further, even if the width of the window opening O cannot be made sufficiently large, an emergency exit having a minimum required width can be secured. Further, since the movable grid portion 8 is of a structure that can be removed, the entire structure of the surface grid 1 is relatively simple, making it easy to manufacture. In addition, the movable grid portion 8 itself or its mounting portion is damaged during emergency escape. In that case, the repair becomes easy.

In this emergency escape surface grid 1, a plurality of grid members 6 are arranged on the upper and lower horizontal frames 4 and 4 of the grid frame 5 from the outside of the room except for a region extending a predetermined length from the left end or the right end. The fixed grid portion 7 is formed by erection, and an emergency exit Q is formed in the predetermined area where the grid member 6 is not erected. The movable grid portion 8 that opens and closes the emergency exit Q is a grid frame. Since the upper and lower horizontal rails 4 and 4 are respectively composed of upper and lower horizontal rails 14 abutting from the outside of the room and a plurality of lattice members 6 installed on the upper and lower horizontal rails 14 from the outdoor side, the emergency exit Q is The emergency escape exit Q can be formed as large as possible as compared with the case where the emergency escape exit Q is formed on the center side of the fixed grid portion 7, and the respective structures of the fixed grid portion 7 and the movable grid portion 8 can be simplified as much as possible. Can be achieved.

FIG. 8A is a front view of an emergency escape surface grid 11 according to another embodiment of the present invention viewed from the outdoor side, and FIG. 8B is a front view of the emergency escape surface grid 11 shown in FIG. FIG. 5 is a front view of a state in which the movable lattice portion 8 is pivotally opened to the outdoor side as viewed from the outdoor side. 9A is a cross-sectional view of a main part of the fixed lattice part 7 and the movable lattice part 8, FIG. 9B is a cross-sectional view of a main part showing a state where the movable lattice part 8 is opened, and FIG. Z in FIG.
FIG. 3 is an enlarged cross-sectional view taken along the line Z. The surface grid 1 shown in FIGS. 1 to 7 detachably attaches the movable grid portion 8 to the fixed grid portion 7, whereas the emergency escape surface grid 11
Has a movable grid portion 8 attached to the fixed grid portion 7 so as to be rotatable and openable to the outside of the room. The other configuration is the same as that of the surface grid 1, and the same components are denoted by the same reference numerals. The description is omitted here.

As can be seen from FIG. 8B, the surface grating 11 is a movable grating portion 8 located at the center of the surface grating 11.
Is pivotally connected to the fixed grid portion 7 via a movable hinge portion 39. The movable hinge portion 39
At two upper and lower positions of the lattice member 6 at one end of the L, a substantially L-shaped rotating plate 40 as shown in FIG.
The V-shaped rotary plate 40 is slidably inserted into the horizontal frame 4 from the slit 41 provided in each horizontal frame 4 of the fixed lattice portion 7, and is inserted into a long hole 42 provided at the tip end of the rotary plate 40 in the vertical direction. The extended pivot pin 43 is inserted, and this pivot pin 43
Is attached to the horizontal frame 4 so as to be slidable in its length direction, and is urged by the coil spring 44 toward the center of the surface lattice 11.

When the movable grid portion 8 of the surface grid 11 is locked in the closed position by the locking means 9 as shown in FIG. Thus, the one end protruding portion 14a of the horizontal rail 14 is urged in a direction of protruding into the engaging concave portion 28. In this state, when the unlocking lever 10 is operated to move the locking rod 13 from the locking position to the unlocking position, the lock 1
9A is unlocked, and the movable grid portion 8 which has been in the state shown in FIG. 9A slides toward the center of the fixed grid portion 7 by the urging force of the coil spring 29, and at the same time, the movable hinge portion 39 The pivot pin 43 also slides toward the center, as shown in FIG.
As shown by a solid line in FIG.
a is protruded to the inner side of the engaging recess 28 on the fixed lattice portion 7 side, and the lock piece 12 comes out of the vertical frame 2. In this state, when the other end side (the free end side) of the movable lattice portion 8 is pushed to the outside of the room, the movable lattice portion 8 is moved around the movable hinge portion 39 as shown by a virtual line in FIG. 9B. It turns to the outside of the room and is opened. When the movable grid portion 8 is rotated and released, the rotating plate 40 of the movable hinge portion 39 is moved to the position shown in FIG.
As shown by an imaginary line in FIG.

Further, the movable grid 8 opened as described above.
Is closed, the movable grid portion 8 is rotated to the indoor side, and the unlocking lever 10 is unlocked to position the locking rod 13 in the vertical frame 2 at the unlocking position. The guide projection 31 protruding from the horizontal rail 14 of FIG. 8 is inserted into the elongated hole 33 of the horizontal frame 4 of the fixed lattice portion 7, and the guide projection 31 of the horizontal frame 4 is inserted into the hole 34 of the horizontal rail 14. Thereafter, while pulling the movable grid portion 8 toward the vertical frame 2 against the coil spring 29 of the fixed grid portion 7, the lock pieces 12 of the movable grid portion 8 are locked through the lock piece entry holes 15 of the vertical frame 2. The rod 13 is caused to protrude into the locking recess 16 to be in the state shown in FIG. 9A, and the unlocking lever 10 is operated in this state to move the locking rod 13 to the locking position, whereby the movable grid part is moved. Reference numeral 8 denotes a state where the emergency exit Q is locked at a position where the emergency exit Q is closed.

In this emergency escape surface grid 11, the locking means 9 for locking the movable grid portion 8 in the closed position is similar to the case of the surface grid 1, and the projecting portions 14a of the horizontal bars 14 of the movable grid portion 8 are provided. Into the engaging recess 28 to lock one end of the movable grid portion 8 to the fixed grid portion 7;
This includes both means for locking the other end side of the movable lattice portion 8 to the fixed lattice portion 7 with the movable lattice portion 8. However, since one end side of the movable lattice portion 8 is pivotally attached to the fixed lattice portion 7 by the movable hinge portion 39, This one-end-side pivot portion also serves as a locking means.

According to the surface grating 11 described above, the surface grating 11
Since one end of the movable lattice portion 8 located at the center of the movable lattice portion is pivotally attached to the fixed lattice portion 7 via the movable hinge portion 39, the movable lattice portion 8 is disposed outside the window opening O similarly to the surface lattice 1 described above. Even if there is an obstacle, the plane grid 11 can be installed, and even if the width of the window opening O is narrow, an emergency exit having the minimum required width can be secured. Easy and easy.

FIG. 11A is a front view of an emergency escape surface grid 21 according to another embodiment of the present invention viewed from the outdoor side, and FIG. 11B is a movable view of the surface grid 21 shown in FIG. It is the front view which looked at the state which opened the lattice part 8 to the outdoor side from the outdoor side. FIG. 12A is a cross-sectional view of main parts of the fixed lattice part 7 and the movable lattice part 8, FIG. 12B is a cross-sectional view of main parts showing a state where the movable lattice part 8 is opened, and FIG. FIG. 11 (A)
FIG. 5 is an enlarged sectional view taken along line VV of FIG. 8 to 10, the surface grid 11 is pivotally attached to the fixed grid 7 so as to rotate around one of the left and right ends of the movable grid 8.
The emergency escape surface grid 21 is pivotally mounted so as to rotate vertically about the upper end of the movable grid portion 8, and other configurations are the same as those of the surface gratings 1 and 11. This is the configuration, and the same components are denoted by the same reference numerals and description thereof will be omitted.

As can be seen from FIGS. 12 and 13, the surface grid 21 is obtained by pivotally connecting the upper horizontal rail 14 of the movable grid 8 to the upper horizontal frame 4 of the fixed grid 7 by a hinge 45. When the emergency exit Q is opened, the emergency exit Q is flipped upward from the lower end thereof to be pivotally opened. The hinge 45 is configured to be able to slide the movable grid portion 8 in the left and right direction within a predetermined range with respect to the fixed grid portion 7.

The movable grating portion 8 of the surface grating 21 is shown in FIG.
As shown in FIG. 3A, in the state where the lock member 9 is locked at the closed position, the one end protruding portion 14a of the horizontal bar 14 projects into the engaging recess 28 by the spring 29, as in the case of the surface lattice 11. It is urged in the direction to be. In this state, when the unlocking lever 10 is operated to move the locking rod 13 from the locking position to the unlocking position, the lock 1
2A is unlocked, and the movable grid portion 8 which has been in the state of FIG. 12A until then is slid toward the center of the fixed grid portion 7 by the urging force of the coil spring 29, and the movable grid portion 8 shown in FIG. As shown by the solid line, the one end protruding portion 14a of the horizontal rail 14 protrudes to the deep portion of the engaging concave portion 28 on the fixed lattice portion 7 side, and the lock piece 12 comes out of the vertical frame 2. From this state,
The upper end side (the free end side) of the movable grid portion 8 is pushed to the outside of the room, and the movable grid portion 8 is turned around the hinge 45 so as to jump upward to the outside of the room and is opened.

Further, the movable grid 8 opened as described above.
Is closed, the movable grid portion 8 is rotated to the indoor side, and the unlocking lever 10 is unlocked to position the locking rod 13 in the vertical frame 2 at the unlocking position. After the guide projection 31 protruding from the horizontal rail 14 of FIG. 8 is inserted into the elongated hole 33 of the horizontal frame 4 of the fixed lattice part 7 and the guide projection 31 of the horizontal frame 4 is inserted into the hole 34 of the horizontal rail 14. Then, while pulling the movable grid portion 8 toward the vertical frame 2 against the coil spring 29 of the fixed grid portion 7, the lock piece 12 of the movable grid portion 8 is moved from the lock piece entry hole 15 of the vertical frame 2 to the locking rod 13. Into the locking recess 16 of
By setting the state shown in FIG. 12A and operating the unlocking lever 10 to move the locking rod 13 to the locking position, the movable lattice portion 8 is locked at the position where the emergency exit Q is closed. Is done.

In this emergency escape surface grid 21, the locking means 9 for locking the movable grid portion 8 in the closed position is the same as the surface grid 1
A means for locking the left end side of the movable grid portion 8 to the fixed grid portion 7 by the locking rod 13,
Means for projecting the projections 14a of the horizontal rails 14 into the engagement recesses 28 and locking the right end side of the movable grid 8 to the fixed grid 7. This surface grating 21 is also the surface grating 1
As in the case of 1, the opening / closing operation of the movable lattice portion 8 becomes simple and easy.

[0039]

According to the first aspect of the present invention, the emergency escape plane grid forms an emergency exit at a required portion of a fixed grid section fixed to a window opening of a building, and is movable to open and close the emergency exit. Since the grid portion is provided and the movable grid portion is locked by the locking means, a surface grid can be installed even if there is an obstacle outside the window opening, and the window opening can be found. Even if the width cannot be made sufficiently large, it is possible to secure an emergency exit having a minimum required width.

As in the emergency escape plane grid according to the second aspect of the present invention, if the movable grid section is detachably attached to the outside of the fixed grid section, the structure of the entire plane grid is relatively simple. As a result, the production becomes easy, and when the movable lattice portion itself or its attachment portion is damaged at the time of emergency escape, repair thereof becomes easy.

When the movable grid portion is pivotally connected to the fixed grid portion so as to be openable to the outside like the emergency escape surface grid according to the third aspect of the present invention, the movable grid portion can be easily opened and closed. Becomes

According to the fourth aspect of the present invention, the emergency exit can be formed as large as possible as compared with the case where the emergency exit is formed at the central portion of the fixed lattice portion. Each structure of the part and the movable lattice part can be simplified as much as possible, and the manufacture thereof can be facilitated.

According to the fifth aspect of the present invention, the locking means for locking the movable grid portion in the closed position is provided such that the protruding portion of the horizontal rail of the movable grid portion is connected to the horizontal frame of the fixed grid portion and the grid. Means for locking one end of the movable grid portion to the fixed grid portion by projecting into the engagement concave portion between the member and the means for locking the other end of the movable grid portion to the fixed grid portion by a locking rod. Therefore, the movable grid portion can be securely locked in the closed position, and cannot be unlocked from the outdoor side unless the unlocking lever is released.

According to the emergency escape surface grid of the invention according to claim 6, when the unlocking lever is operated to unlock the locking rod,
The movable grid portion slides toward the center portion of the fixed grid portion by the spring on the fixed grid portion side, and the lock piece comes out of the vertical frame. It can be done easily.

[Brief description of the drawings]

FIG. 1A is a front view of an emergency escape surface grid according to an embodiment of the present invention as viewed from the outdoor side, and FIG. 1B is a view showing the state in which a movable grid portion is removed from the surface grid of FIG. It is the front view seen from.

FIG. 2A is a front view of the movable grid portion removed from the fixed grid portion as viewed from the outdoor side, and FIG. 2B is a front view of the movable grid portion viewed from the indoor side.

3A is a cross-sectional view of a main part of a fixed lattice part and a movable lattice part attached thereto, and FIG. 3B is a cross-sectional view of a main part showing a state where the movable lattice part is removed from the fixed lattice part. It is.

FIG. 4A is a cross-sectional view showing a state where a locking rod is at a locking position, and FIG. 4B is a cross-sectional view showing a state where the locking rod is at an unlocking position.

FIG. 5 is a sectional view taken along line XX of FIG.

6 is a cross-sectional view showing a part of FIG. 5 in an enlarged manner and showing an internal structure of an unlocking lever.

FIG. 7 is an enlarged sectional view taken along line YY of FIG. 1;

FIG. 8 (A) is a front view of an emergency escape surface grid according to another embodiment of the present invention as viewed from the outdoor side, and FIG. 8 (B) is a diagram in which the movable grid portion of the surface grid shown in FIG. It is the front view which looked at the state which opened and closed from the outdoor side.

9A is a cross-sectional view of a main part of a fixed lattice part and a movable lattice part, and FIG. 9B is a cross-sectional view of a main part showing a state where the movable lattice part is opened.

FIG. 10 is an enlarged sectional view taken along the line ZZ of FIG. 8;

FIG. 11 (A) is a front view of an emergency escape surface lattice according to another embodiment of the present invention viewed from the outdoor side, and FIG. 11 (B) is (A).
FIG. 5 is a front view of a state in which the movable grid portion 8 of the surface grid shown in FIG.

12A is a main part cross-sectional view of a fixed lattice part and a movable lattice part, and FIG. 12B is a main part cross-sectional view showing a state where the movable lattice part is opened.

FIG. 13 is an enlarged sectional view taken along line VV of FIG.

[Explanation of symbols]

 O Window opening of building 1, 11, 21 Emergency escape surface grid 2, 3 Vertical frame of grid frame 4 Horizontal frame of grid frame 5 Grid frame 6 Grid member 7 Fixed grid section 8 Movable grid section 9 Lock means 10 Unlock Lever 12 Locking piece 13 Locking rod 14 Horizontal bar of movable lattice 16 Locking recess 28 Engaging recess 29 Spring

Claims (6)

[Claims] 1. An emergency escape surface grid comprising a plurality of grid members arranged in a grid frame formed by left and right vertical frames and upper and lower horizontal frames, and fixed to a window opening of a building. An emergency escape surface lattice comprising: a fixed lattice portion having an emergency exit formed in a portion thereof; a movable lattice portion for opening and closing the emergency exit; and locking means for locking the movable lattice portion in a closed position. 2. The emergency escape surface grid according to claim 1, wherein the movable grid portion is detachably attached to the outside of the room with respect to the fixed grid portion. 3. The emergency escape surface grid according to claim 1, wherein the movable grid portion is pivotally attached to the fixed grid portion so as to be openable to the outside of the room. 4. A fixed grid portion is formed by erection of a grid member from the outdoor side except for a region extending over a predetermined length from a left end or a right end of the upper and lower horizontal frames of the grid frame,
An emergency exit is formed in the predetermined area in the lattice frame where the lattice member is not erected, and a movable lattice portion that opens and closes the emergency exit has upper and lower portions that respectively contact the upper and lower horizontal frames of the lattice frame from outside the room. The emergency escape surface grid according to any one of claims 1 to 3, comprising a horizontal rail and a plurality of grid members provided on the upper and lower horizontal rails from the outside of the room. 5. A locking means for locking the movable grid portion in the closed position, wherein one end protruding portion of the horizontal rail protruding from one end side of the movable grid portion is formed between the horizontal frame of the fixed grid portion and the grid member. Into the engaging recess, locks one end of the movable lattice portion, and pushes a lock piece projecting from the lattice member at the other end of the movable lattice portion into the vertical frame of the lattice frame. The lock piece is locked by moving the locking rod vertically movably arranged in the vertical frame to the locking position, the other end of the movable lattice portion is locked, and the unlocking lever linked to the locking rod is linked. The emergency escape surface grid according to claim 4, wherein the lock piece is unlocked by operating the locking rod to the unlock position to unlock the movable grid portion. 6. The movable grid portion is slidable in a fixed range in the left-right direction in a state where one end protruding portion of the horizontal rail projects into the engaging concave portion and the lock piece protrudes into the vertical frame of the grid frame. At the same time, the one-side protruding portion of the horizontal rail is always urged by a spring in a direction to protrude into the engagement concave portion, and when the unlocking lever is unlocked, the movable grid portion is moved to the fixed grid portion. The emergency escape surface grid according to claim 5, wherein the lock piece slides along and the lock piece comes out of the vertical frame.