JPH11303537A - Louver face lattice - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a compact louver rotary operation mechanism having a simple structure, facilitating its mounting, and reducing manufacturing cost. SOLUTION: In louver face lattices 6, 7 in which a plurality of louvers 6b, 7b are arranged in parallel in the transverse direction in peripheral frames 6a, 7a to attach each louver 6b, 7b to a stile 23 by support shafts 24 rotatably and these support shafts 24 of the louvers 6b, 7b are connected by an interlocking rotary mechanism 25 so as to rotate in the interlocking relationship, a rotary operation handle 31 which rotates the louvers 6b, 7b centered on the support shafts 24 in the direction of crossing and opens, closes, and rotates all the louvers 6b, 7b at the same time through the interlocking rotary mechanism 25 is provided in an end part of either of the louvers 6b, 7b. A louver lock mechanism locking the louvers 6b, 7b at required angle positions is provided between the handle 31 and the stile 23 of the peripheral frames 6a, 7a.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a louver grid attached to a window opening of a building.
A louver surface lattice in which a plurality of louvers are arranged side by side in a peripheral frame and both ends of each louver are rotatably mounted on a vertical frame of the peripheral frame, and these louvers are rotatable interlockingly by an interlocking rotation mechanism. .

[0002]

2. Description of the Related Art Conventionally, in a louver surface lattice of this type, a rotary operation handle is mounted on a vertical frame of a peripheral frame as a rotary operation mechanism for simultaneously opening and closing the louver, and rotation of the handle is interlocked in the vertical frame. Since a plurality of gears to be transmitted to the rotation mechanism are provided, the rotation operation mechanism is complicated, and it is difficult to mount the gear in a vertical frame, and the production cost is high.

[0003]

SUMMARY OF THE INVENTION Accordingly, an object of the present invention is to provide a louver surface lattice which can have a simple and compact structure of a louver rotation operation mechanism, can be easily mounted, and can be manufactured at low cost. With the goal.

[0004]

The invention according to claim 1 is
As shown by the reference numerals in the drawings, a plurality of louvers 6b, 7b are laterally arranged in parallel in the peripheral frames 6a, 6b, and both ends of each of the louvers 6b, 7b are supported by the support shaft 24 with the peripheral frames 6a, 6b. 6
b to the vertical frame 23 so as to be rotatable.
In the louver surface lattices 6 and 7 in which the support shafts 24 b and 7 b are connected by the interlocking rotation mechanism 25 so as to be interlockable and rotatable,
At the end of any one of the louvers 6b, 7b, the louver is rotated in the transverse direction about the support shaft 24, and all the louvers 6b, 7b are simultaneously opened and closed via the interlocking rotation mechanism 25. An operation handle 31 is provided, and a louver lock mechanism 32 for locking the louvers 6b, 7b at a required angle position is interposed between the handle 31 and the vertical frame 23 of the peripheral frames 6a, 6b. And

[0005] According to a second aspect of the present invention, in the louver surface lattices 6 and 7 according to the first aspect, the louver lock mechanism 32 is held by a base 33 attached to ends of the louvers 6b and 7b. A stopper rod 34 which advances and retreats with respect to the vertical frame 23 of the peripheral frames 6a and 6b; and a stopper rod which is recessed at a required interval on a circle having a constant radius from the support shaft 24 of the louvers 6b and 7b in the vertical frame 23. 34, a plurality of engagement recesses A to E with which the tip portions
And a spring 35 for urging the stopper rod 34 in the direction of retreating from the vertical frame 23 side, and the base end of the handle 31 is
3, pivotally connected to the louver rotation direction in a direction orthogonal to the rotation direction,
Cams 38 and 39 are provided on the outer peripheral surface of the end portion 37a of the rotation support shaft 37 so that the rear end portion of the stopper rod 34 is engaged. By rotating the handle 31, the stopper rod 34 is driven forward and backward to drive the louvers 6b and 7b. Is locked or unlocked.

According to a third aspect of the present invention, in the louver surface lattices 6 and 7 according to the second aspect, the stopper rod 34 is held at the unlocked position with the handle 31 rising from the base 33, and In the state where the handle 31 is rotated to the base 33 side from the state and is tilted sideways, the stopper rod 34 is engaged with the engaging recesses A to E.
Characterized by being held at a lock position for engaging with

According to a fourth aspect of the present invention, in the louver surface lattices 6 and 7 according to the third aspect, an engaging projection 40 is provided on the inner surface of the distal end portion of the handle 31, and the handle 31 is turned sideways. In the locked position where the engagement convex portion 40 is
It is characterized in that it engages with an engagement concave portion 41 provided in the base 33.

[0008]

1 (A) is a cross-sectional view showing a closed state of an emergency escape surface grid provided with a louver surface grid according to the present invention, and FIG. 1 (B) is an emergency escape surface. FIG. 2A is a cross-sectional view showing the open state of the emergency escape surface grid, and FIG. 2B is a cross-sectional view showing the open state of the emergency escape surface grid. FIG. 3 is an enlarged front view of the emergency escape plane lattice in a closed state as viewed from the indoor side.

In these figures, reference numeral 1 denotes an outer frame attached to the outside of a window opening of a building, which is formed by upper and lower horizontal frames 2 and 3 and left and right vertical frames 4 and 5. In this outer frame 1,
A fixed surface grid 6 is mounted and fixed on the left side of FIG. 1 and FIG. 2 (on the right side of FIG. 3), and a movable surface grid 7 is arranged on the opposite side.
The emergency escape opening S is formed by moving in the left and right directions between the left and right directions as shown in FIG. Left and right vertical frame 4,
A middle crosspiece 8 is provided outside the middle part of the room 5.

As shown schematically in FIGS. 1 to 3, 5 and 6, the movable surface grid 7 includes a plurality of louvers 7b in a peripheral frame 7a.
Are arranged side by side in the lateral direction, and each end of each louver 7b is rotatably mounted on the side of the peripheral frame 7a. The same applies to the fixed surface grid 6, which is also schematically shown in FIGS. As shown, a plurality of louvers 6b are arranged side by side in the circumferential frame 6a, and both ends of each louver 6b are connected to the circumferential frame 6a.
It consists of a louver surface grid rotatably mounted on the side.
In addition, a window frame 9 is provided in the opening of the building window on the indoor side of the outer frame 1, and sliding door shojis 10 and 10 are provided in the window frame 9.

As shown in FIGS. 4 to 6, upper and lower horizontal frames 2 and 3 of the outer frame 1 have guide grooves 11 and 12 at the indoor side end.
Are provided over the entire length in the longitudinal direction of the horizontal frame, and guide pieces 13, 14 which are fitted and guided by guide grooves 11, 12 to be moved are provided at both upper and lower ends of the movable surface lattice 7. Also,
Each of the upper and lower guide grooves 11 and 12 has a draw-in groove 15 for pulling the movable surface lattice 7 through the guide pieces 13 and 14 to the outside of the upper and lower horizontal frames 2 and 3 when the movable surface lattice 7 is closed. , 16 are provided in communication with the guide grooves 11, 12. The upper and lower guide pieces 13 and 14 are provided at two places, that is, a door end side end and a door end side end of the movable surface grid 7.
Further, the upper and lower recessed grooves 15 and 16 are respectively provided on guide end portions 13 and 14 provided at the door end side end and the door end side end of the movable surface grid 7.
And are provided at corresponding positions.

FIG. 4 shows the guide pieces 14, 14 provided at the lower end of the movable surface lattice 7 on the door end side and the door end side, and the drawing grooves 16, 16 fitted in these guide pieces 14, 14.
The guide pieces 13 and 13 provided at two upper end portions of the movable surface grid 7 and the drawing groove 1 are shown.
5, 15 have the same arrangement. As shown in FIGS. 5 and 6, each guide piece 13 provided at the upper end of the movable surface grid 7 is connected to a movable surface grid 7 via a flat bracket 17.
The guide pieces 14 provided at the lower end of the movable surface lattice 7 are attached to the movable surface lattice 7 via U-shaped brackets 18. As shown in FIGS. 5 and 6, the U-shaped bracket 18 has the guide piece 1
4 is mounted, and a guide roller 20 that rolls on a guide surface 19 arranged side by side along the lower horizontal frame 3 side guide groove 12 of the outer frame 1 is mounted on the shaft.

In the use of the emergency escape surface grating having the above-described configuration, the movable surface grating 7 is normally in the closed position which is flush with the fixed surface grating 6, as shown in FIGS. Thus, the vertical frame 5 of the outer frame 1 is locked by an appropriate locking device. In this case, the unlocking operation of the movable surface lattice 7 cannot be performed from outside the room. In an emergency such as a fire, the locking device is unlocked from the indoor side, and the movable surface grid 7 in the closed position as shown by the solid line in FIG. By moving inward, the guide pieces 13 and 14 of the movable surface lattice 7 are drawn out from the recess grooves 15 and 16 to the guide grooves 11 and 12, and the movable surface lattice 7 is shown in phantom lines in FIG. 2 can be easily and quickly moved to the open position as shown in FIG. 2, whereby the emergency escape opening S shown in FIG. 2 (B) can be formed to achieve emergency escape. When closing the movable surface grid 7 that has been opened and moved in this way, the guide pieces 13 and 14 pull the movable surface grid 7 at the open position fitted into the guide grooves 11 and 12 in the closing direction, thereby closing the guide piece 13. , 14 from the guide grooves 11, 12 to the drawing grooves 15, 16 to return the movable surface grid 7 to the closed position as shown by the solid line in FIG. 4 and FIG. 5.

As shown in FIGS. 7 and 8, a plurality of louvers 6b, 7a are provided in peripheral frames 6a, 7a comprising upper and lower horizontal frames 21, 22 and left and right vertical frames 23, 23, as shown in FIGS. 7b are arranged side by side in a horizontal direction, and both ends of each louver 6b, 7b are respectively supported by a support shaft 24 in the vertical frames 23, 23 of the peripheral frames 6a, 6b.
, And one of the support shafts 24 of each of the louvers 6b, 7b is connected by an interlocking rotation mechanism 25 so as to be interlockably rotatable. As shown by the solid line in FIG. 7, the louvers 6b and 7b are closed in a substantially vertical posture, and the surface lattices 6 and 7 are rotated clockwise with respect to FIG.
In the horizontal position as shown by the imaginary line in FIG.

Each of the louvers 6b, 7b is made of an extruded aluminum hollow member, and elongated caps 26, 26 are fitted and fixed at both ends as shown in FIG.
6, a support shaft 24 is protruded from a central portion in the longitudinal direction.
4 is rotatably supported via a push 28 on a support member 27 attached to each vertical frame 23. FIG.
As shown in FIG. 9, a crank arm 29 is integrally connected to one support shaft 24 of each of the louvers 6 b, 7 b, and a distal end of each crank arm 29 is pivotally connected to an interlocking rod 30.
The crank arm 29 and the link rod 30 constitute the link rotation mechanism 25.

Next, the louver rotation operation mechanism which is an important part of the present invention will be described with reference to FIGS. 3, 7 and 10 to 12.
This will be described with reference to FIG. Any one of the grids 6 and 7
The louvers 6b, 7b, that is, one end of each of the louvers 6b, 7b at the middle position of each of the surface lattices 6, 7 as shown in FIG.
And a rotation operation handle 31 for rotating all the louvers 6b and 7b simultaneously by opening and closing the rotation through the interlocking rotation mechanism 25 is provided.
a, 6b, between the vertical frames 23, 23, the louvers 6b, 7
Louver lock mechanism 32 for locking b at a required angle position
Is interposed.

As shown in FIGS. 11 and 12, the louver lock mechanism 32 is slidably held in the longitudinal direction of the louvers 6b, 7b inside a base 33 attached to the ends of the louvers 6b, 7b. Then, a stopper rod 34 that moves forward and backward with respect to the inner side surface of the vertical frame 23 of the peripheral frames 6a and 6b.
And a plurality of engagements which are recessed at a required interval on the circumference of a fixed radius from the support shaft 24 of the louvers 6b, 7b on the inner side surface of the vertical frame 23, and the leading end of which is engaged when the stopper rod 34 advances. The recesses A to E and the stopper rod 3
4 is configured by a compression coil spring 35 that urges the frame 4 backward from the vertical frame 23 side. Incidentally, the engagement recesses A to E
Is provided on a mounting plate 36 mounted on the inner side surface of the vertical frame 23.

The rotation operation handle 31 has a base end 31a rotatable in a direction perpendicular to the rotation direction of the louvers 6b and 7b and along a side surface thereof by a rotation support shaft 37 (see FIG. 11). Cams 38 and 39 which are pivotally attached to the base 33 and engage with the rear end of the stopper rod 34 on the outer peripheral surface of one end 37 a of the rotation support shaft 37 of the handle 31.
Are formed at intervals of 90 degrees. The cam 38 has a concave surface and the cam 39 has a convex surface. Thus, FIGS.
In the state where the handle 31 rises vertically from the base 33 as shown in FIG. 7, the rear end of the stopper rod 34 engages with the concave cam 38 on the side of the rotation shaft 37, whereby the tip end of the stopper rod 34 is vertical. Engaging recesses A to E on the frame 23 side
From the lock release position. When the handle 31 is turned 90 degrees to the base 33 side and falls down sideways as shown by phantom lines in FIGS. 10 and 11 from the rising state, the rear end of the stopper rod 34 is Will be engaged with the convex cam 39 on the side
The stopper rod 34 is held at a locked position where it is engaged with any of the engagement recesses A to E.

As described above, the louver lock mechanism 32 is unlocked with the rotary operation handle 31 rising vertically from the base 33.
To the support shafts 24 of the louvers 6b, 7b as shown in FIG.
, The tip of the stopper rod 34 is engaged with any of the engagement recesses A to E at the required angle rotation position and tilted sideways as shown by the imaginary line in FIG. 6b, 7b can be locked in the required angular position. As shown in FIGS. 10 to 12, an engagement projection 40 is provided on the inner surface of the distal end portion of the rotation operation handle 31, and the engagement projection is provided at a lock position where the handle 31 is tilted sideways. Since the handle 40 is engaged with the engagement recess 41 provided at the corresponding position of the base 33 so that the handle 31 can be held at the lock position, the positioning of the handle 31 at the lock position is facilitated. .

As described above, one louver 6 is attached to each of the louver surface gratings of the fixed surface grating 6 and the movable surface grating 7.
At the ends of b and 7b, there is provided a rotation operation handle 31 for rotating the louvers 6b and 7b in the transverse direction about the support shaft 24 and simultaneously opening and closing all the louvers 6b and 7b via the interlocking rotation mechanism 25. At the same time, between the handle 31 and the vertical frame 23 of the peripheral frames 6a, 6b, the louvers 6b, 7
Louver lock mechanism 32 for locking b at a required angle position
, The opening and closing rotation angles of the louvers 6b and 7b can be easily and easily adjusted by rotating the handle 31, and the louvers 6b and 7b can be easily fixed at the adjusted rotation angle positions. Can be.

The rotating operation handle 31 is provided with one of
The louver lock mechanism 32 may be interposed between the rotary operation handle 31 and the vertical frame 23 of the peripheral frames 6a, 6b adjacent thereto. Since there is no need to incorporate the louver rotation mechanism inside the vertical frame 23, the louver rotation operation mechanism can be simply configured, and the louver rotation operation mechanism can be easily mounted, so that the manufacturing cost can be reduced.

The louver lock mechanism 32 is connected to the base 3
A stopper rod 3 held inside the louver slidably in the longitudinal direction and moving forward and backward with respect to the inner surface of the vertical frame 23.
4 and a plurality of engaging members which are recessed at a required interval on the circumference of a fixed radius from the support shaft 24 of the louvers 6b, 7b on the inner surface of the vertical frame 23, and the leading end of which engages when the stopper rod 34 advances. Each of the recesses A to E and a compression coil spring 35 for urging the stopper rod 34 in the direction of retreating from the vertical frame 23 side, and the base end of the handle 31 is louvered to the base 33 by the rotation support shaft 37. The cam 3 which is rotatably mounted so as to be rotatable in a direction orthogonal to the rotation direction, and in which the rear end of the stopper rod 34 is engaged with the outer peripheral surface of the end of the rotation shaft 37.
8 and 39, the stopper rod 34 is driven forward and backward by rotating the handle 31, and the louvers 6b and 7 are driven.
b is locked or unlocked, so that the louver rotation operation mechanism can be made extremely compact, and the louvers 6b, 7b can be operated only by operating the handle 31.
Since the angle adjustment operation and the lock or unlock operation can be performed, the usability is good and the operation is very convenient.

[0023]

According to the first aspect of the present invention, the opening and closing rotation angle of the louver can be easily and easily adjusted by rotating the handle, and the louver can be easily fixed at the adjusted rotation angle position. The rotation operation handle may be provided at the end of any one of the louvers, and the louver lock mechanism is interposed between the rotation operation handle and the vertical frame of the peripheral frame adjacent to the rotation operation handle. However, since it is not necessary to incorporate the louver inside the vertical frame, the louver rotation operation mechanism can be simply configured, and the louver rotation operation mechanism can be easily mounted and the manufacturing cost can be reduced.

According to the second aspect of the present invention, the louver rotation operation mechanism can be made extremely compact, and the angle adjustment operation of the louver and the locking or unlocking operation thereof can be performed only by rotating the handle. It is very convenient.

According to the third aspect of the present invention, the stopper rod is held at the unlocked position with the handle standing up from the base, and the handle is rotated to the base side from this standing state and falls down sideways. The stopper rod is held at the lock position by
The louver rotation angle can be easily adjusted at the unlocked position, and the handle is tilted sideways toward the base at the locked position, so that the appearance and appearance are improved.

According to the fourth aspect of the present invention, the engaging projection at the tip of the handle is engaged with the engaging recess at the base at the lock position where the handle is tilted sideways. Can be held in the lock position, and the handle can be easily positioned in the lock position.

[Brief description of the drawings]

FIG. 1A is a cross-sectional view showing a closed state of an emergency escape surface lattice provided with a louver surface lattice according to the present invention,
(B) is the front view which looked at the closed state of the emergency escape plane lattice from the outdoor side.

FIG. 2A is a cross-sectional view showing an open state of the emergency escape surface lattice, and FIG. 2B is a front view of the open state as seen from the outdoor side.

FIG. 3 is an enlarged front view of the emergency escape plane lattice in a closed state as viewed from the indoor side.

FIG. 4 is an enlarged sectional view taken along line XX of FIG. 1 (B).

FIG. 5 is a longitudinal sectional view of the emergency escape surface grid in a closed position.

FIG. 6 is a vertical cross-sectional view of the emergency escape plane grid in an open position.

FIG. 7 is an enlarged vertical sectional view of a louver surface lattice.

FIG. 8 is an enlarged cross-sectional view of the louver surface lattice.

FIG. 9 is a side view showing an interlocking rotation mechanism of the louver surface lattice.

FIG. 10 is a perspective view showing a louver rotation operation mechanism.

FIG. 11 is a side view of the rotation operation mechanism.

FIG. 12 is a cross-sectional view of the rotation operation mechanism.

[Explanation of symbols]

 6, 7-plane lattice 6a, 6b Louver 7a, 7b Perimeter frame 23 Vertical lattice of plane lattice 24 Support shaft 25 Interlocking rotation mechanism 31 Rotation operation handle 32 Louver lock mechanism 33 Base 34 Stopper rod 35 Compression coil spring 37 Rotation support shaft 38 , 39 cam 40 engaging projection 41 engaging recess

 ──────────────────────────────────────────────────続 き Continued on the front page (72) Inventor Naoki Sakai 5-13 Taiyuji-cho, Kita-ku, Osaka Mitsui Fudosan K.K.

Claims (4)

[Claims] 1. A plurality of louvers are arranged side by side in a peripheral frame in a lateral direction, and both ends of each louver are rotatably mounted on a vertical frame of the peripheral frame by support shafts, and the support shafts of these louvers are connected by an interlocking rotation mechanism. In the louver surface lattice which is connected so as to be interlockably rotatable, by rotating the louver at the end of any one of the louvers around the support shaft in a transverse direction of the louver, all louvers are connected via the interlocking rotation mechanism. A louver surface lattice provided with a rotation operation handle for simultaneous opening and closing rotation and a louver lock mechanism interposed between the handle and a vertical frame of the peripheral frame to lock the louver at a required angle position. 2. A louver lock mechanism comprising: a stopper rod which is held by a base attached to an end of the louver and moves forward and backward with respect to a vertical frame of a peripheral frame; and a fixed radius from a support shaft of the louver in the vertical frame. A plurality of engaging recesses which are recessed at required intervals on the circumference of the stopper rod and engage with the distal end of the stopper rod when the stopper rod advances, and a spring which biases the stopper rod in a direction of retreating from the vertical frame side. At the same time, the base end of the handle is pivotally attached to the base by a rotation shaft so as to be rotatable in a direction orthogonal to the louver rotation direction, and the rear end of the stopper rod is engaged with the outer peripheral surface of the end of the rotation shaft. 2. The louver surface grid according to claim 1, wherein a cam is provided for engaging the louver, and the rotation of the handle drives the stopper rod forward and backward to lock or unlock the louver. 3. The stopper rod is held at an unlocked position in a state where the handle is raised from the base, and the stopper rod is engaged with the handle in a state where the handle is turned to the base side from the raised state and falls down sideways. 3. The louver grid of claim 2, wherein the louver grid is held in a locked position for engaging the recess. 4. An engaging projection is provided on the inner surface of the distal end of the handle, and the engaging projection engages with an engaging recess provided on the base at a lock position where the handle is tilted sideways. 4. A louver surface grid according to claim 3, adapted to match.