JPH0327190Y2 - - Google Patents

Description

[Detailed Description of the Invention] Industrial Application Field The present invention relates to a smoke exhaust window that opens to exhaust smoke when a fire occurs.

Prior Art As shown in Fig. 1, a smoke exhaust window is a window frame in which the upper horizontal stile b of a shoji B is pivotally connected to the upper horizontal frame a of a window frame A so that it can be opened and closed in an out-of-plane direction using a hinge c. Window frame side brackets e fixed to the left and right stiles d, d of A; shoji side brackets g fixed to the left and right stiles f, f of shoji B;
A pair of left and right stay dampers h, h are pivotally connected across g, respectively, and a pair of left and right stay dampers h,
It is known that the shoji B is biased toward the open side by the lever h, and the shoji B is pulled and held toward the closed side by a rope or the like, and the shoji B is opened by loosening the rope or the like.

However, with this smoke exhaust window, the shoji, which is biased to open by the stay damper h, is held in the closed state with ropes, etc., so it is uncertain that the shoji will be held in the closed state, and the ropes etc. If the shoji becomes slightly loose, the shoji will rotate slightly to the open side.
Rainwater may enter between the window frame and the shoji.

Purpose of the invention The purpose is to ensure that the shoji can be held in the closed state.

Composition of the idea Stay dampers are installed on the horizontal frame of the window frame and the horizontal stile of the shoji.
When the shoji is closed, the shoji side connection part is pivoted and connected horizontally so that the shoji side connection part is beyond the dead center and becomes the shoji closing side beyond the horizontal frame side connection part.

Embodiment Fig. 2 is a schematic front view of a sash equipped with a smoke exhaust window. The upper horizontal stile 4 of the shoji B is pivotally connected to the upper horizontal frame 2 of the window frame A by a hinge 5 so that it can be opened and closed in an out-of-plane direction.
A pair of left and right stay dampers 7, 7 are laterally (horizontally) pivotally connected across the lower horizontal stile 6 and the blind 3 of the shoji B.

Reference numerals 8 and 8 indicate the left and right vertical frames of the shoji B, and the shoji B has a panel member 9 made of glass or the like mounted inside the square frame assembly formed by the upper and lower horizontal frames 4 and 6 and the left and right vertical frames 8 and 8. be.

FIGS. 3 and 4 are detailed longitudinal and cross-sectional views of FIG. A step portion 2d is formed, and an upper and horizontal sealing material 1 is applied to the step portion 2d.
A mounting groove 2'd of 0 is formed.

Mume 3 is indoor, outer walls 3a, 3b and connecting wall 3c
A stepped portion 3d is formed on the outdoor side, a mounting groove 3'd for the lower horizontal sealing material 11 is formed in the stepped portion 3d, and a rising wall 3e is integrally formed on the indoor side, The stay damper 7 is not visible from the inside of the room.

The vertical frame 1 includes indoor and outer walls 1a and 1b and a connecting wall 1c, and a stepped portion 1d is formed on the outdoor side, and a mounting groove 1' for the vertical sealing material 12 is formed in the stepped portion 1d.
d is formed.

The upper and lower horizontal stiles 4 and 6 and the left and right vertical stiles 8 and 8 of the shoji B face each step 2d, 3d, 1d, and 1d,
Each indoor side wall 4a, 6a, 8a, 8a is pressed against each sealing material 10, 11, 12, 12.

Fixed side 7 of the pair of left and right stay dampers 7, 7
a is the left and right vertical frames 1, 1 in the connecting wall 3c of the no-mume 3
Bracket 20, ball joint 2 on the outdoor side
The movable shaft 7b is connected via a ball joint 23 to a bracket 22 fixed at a position closer to the longitudinal center of the indoor wall 6a of the lower side stile 6 of the shoji B. The stay damper 7 is connected so that it can freely swing up and down and left and right, and the stay damper 7 is in a substantially horizontal state when the shoji B is closed. (that is, the ball joint 23) is the connecting portion of the fixed side 7a to the blind 3 (that is, the ball joint 21)
When the shoji B is closed, the ball joint 23 of the stay damper 7 swings beyond the dead center A to the indoor side (closed side), and the movable shaft 7b closes the shoji B. It is biased to rotate to the side.

A pulley 25 is attached via a bracket 24 to the longitudinal center position of the indoor side wall 6a of the lower horizontal stile 6 of the shoji B, and a first pulley 25 is attached to the blind connecting wall 3c.
Second guide pulleys 26 and 27 are attached, and a rope 29 fixed to the connecting wall 1c of one of the vertical frames 1 via a bracket 28 is attached to the first guide pulley 2.
6. The rope 29 is extended downward via the pulley 25 and the second guide pulley 27, the hole 30 in the connecting wall 1c of the other vertical frame 1, and the third guide pulley 31 provided on the inner surface of the indoor wall 1a. The other end is the hole 3 in the indoor wall 1a.
The rope 29 is pulled out to the indoor side from 2 and wound around a winder or the like, and when the rope 29 is wound up with the winder or the like, the shoji B is rotated in the direction of closing against the stay damper 7. be.

Reference numeral 40 denotes a shoji opening mechanism, which has a structure in which a movable body 42 is provided on a fixed body 41 fixed to the blind connecting wall 3c so as to be swingable in and out of the room via a pair of links 43, 43. The links 43, 43 have the same length to form a parallel four-bar link, and the movable body 42 is connected to the pair of brackets 22, 2.
One end of the rope 44 is connected to the movable body 42, and the other end of the rope 44 is drawn out to the indoor side in the same manner as the rope 29 described above.

Note that the shoji opening mechanism 40 is not limited to the above-mentioned structure, and may use a cam, a swingable lever, a wedge piece, etc. In other words, it is sufficient that the shoji B is opened until the ball joint 23 of the stay damper 7 swings toward the outside beyond the dead center A.

When closing the open shoji B, the rope 29 is wound up to rotate the shoji B against the biasing force of the stay damper 7 toward the closing side.

At the same time, the stay damper 7 connects to the fixed side ball joint 2.
1 and swings toward the indoor side.

Then, when the ball joint 23 of the stay damper 7 swings toward the indoor side beyond the dead center A, the movable side 7b of the stay damper 7 protrudes toward the indoor side, so the shoji B is rotated toward the closing side by the biasing force of the stay damper 7. The inner wall 4 of each stile chamber is
a, 6a, 8a, 8a are each sealing material 10, 11,
12, 12, it is possible to reliably maintain airtightness and watertightness between the shoji B and the window frame A, and there is no need to lock and fix the rope 29.

When opening the shoji B, the second rope 44
to move the movable body 42 to the right in the figure.

Thereby, the movable body 42 has a pair of links 43,
43, the shoji B is moved in parallel to the outdoor side with respect to the fixed body 41, and the shoji B is rotated to the opening side via the pair of brackets 22, 22, and at the same time, the stay damper 7 is moved around the fixed side ball joint 21. When the ball joint 23 of the stay damper 7 swings toward the outdoor side beyond the dead center A, the shoji B is rotated upward toward the outdoor side by its movable side 7b, and the window frame A is opened. to expel the smoke.

At this time, the stay damper 7 swings upward while swinging toward the outdoor side, but since it is connected to the blind 3 and the lower horizontal stile 6 via the ball joints 21 and 23, the stay damper 7 swings toward the outdoor side and upward. can swing smoothly.

In addition, since the stay damper 7 is installed horizontally on the vertical frame 3 and the lower horizontal stile 6, it is not visible from the outside, and the appearance is clean and excellent. It is advantageous in terms of cost because there is no need to increase the dimensions, and the stay damper 7 can be easily installed from above the blind 3.
The installation work becomes simple and easy.

Also, move the movable side 7b of the stay damper 7 to the lower horizontal stile 6.
Since the windows are connected to the central position in the longitudinal direction, even if the window frame A is wide, the shoji B will not twist, and there is no need to increase the rigidity of each frame of the shoji B even if the window frame A is wide. .

Further, as shown in FIG. 6, the fixed side 7a of the stay damper 7 is connected to the outdoor side near the longitudinal center of the blind connecting wall 3c via a bracket 20 and a ball joint 21, and the movable side 7b is connected to the lower side. It is connected via a ball joint 23 to brackets 22 fixedly installed on both longitudinal ends of the stile 6, and pulleys 25 ₁ and 25 ₂ are provided on both longitudinal ends of the indoor wall 6a of the lower horizontal stile 6, and each bracket 22 , 22, the shoji opening mechanism 4
0 and 40 respectively, and their movable bodies 42 and 42
may be connected by a rope 45.

In other words, when the shoji B is closed, the stay damper 7
The shoji side connection part of the stay damper is beyond the dead center of the blind side connection part and is on the indoor side (in other words, the shoji closing side)
The stay damper 7 should be installed so that

In the above embodiment, the shoji B is rotated upward toward the outdoor side, but it may also be a window that folds inward, a window that folds outward, a sliding window, etc. At this time, the stay damper 7 may be connected laterally across the upper horizontal frame 2 and the upper horizontal stile.

Further, although the stay dampers 7 are connected by ball joints 21 and 23, they may be connected by a cross joint or the like.

In other words, it is sufficient to connect them so that they can swing vertically and horizontally.

In the case of continuous windows, each shoji may be provided with a stay damper, and each shoji may be connected with a rope so that they can be closed at the same time.

Effects of the invention: The stay damper can reliably hold the shoji in a closed state, and the shoji opening mechanism 40 can open the shoji.

[Brief explanation of the drawing]

Fig. 1 is a front view of a conventional smoke evacuation window, Fig. 2 and subsequent figures show an embodiment of the present invention, Fig. 2 is a schematic front view of a sash equipped with a smoke evacuation window, and Figs. 3 and 4 are FIG. 2 is a detailed longitudinal and cross-sectional view, FIG. 5 is a perspective view of the shoji opening mechanism, and FIG. 6 is a cross-sectional view of another embodiment. A is a window frame, B is a shoji screen, 1 is a vertical frame, 2 and 3 are horizontal frames, 4 and 6 are horizontal stiles, 7 is a stay damper, 8 is a vertical stile, and 40 is a shoji opening mechanism.

Claims (1)

[Scope of utility model registration request] The window frame A has a rectangular shape from the upper and lower horizontal frames 2, 3 and the left and right vertical frames 1, 1, and the upper and lower horizontal frames 4, 6 and the left and right vertical frames 8,
8, in which a stay damper 7 is laterally pivotally connected across the horizontal frame and the horizontal stile, and when the shoji B is closed, the shoji of the stay damper 7 is attached. A shoji opening mechanism 40 is provided, which is configured such that the side connecting portion crosses the dead center beyond the horizontal frame side connecting portion and becomes the shoji closing side, and operates to open the shoji B until the shoji side connecting portion crosses the dead center. A smoke evacuation window characterized by: