JPH0332710Y2 - - 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 connected by a frame between the 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 B in the open state
When the stay damper h is pulled toward the closing side with a rope, etc., the stay damper h is reduced, but the shoji closing force due to the rope, etc. acts diagonally on the stay damper h and is not transmitted efficiently, so a prying force acts on the stay damper h, making the shoji move smoothly. Not only will it not be possible to close the stay damper h, but the stay damper h may be damaged due to excessive force being applied to its mounting portion.

Purpose of the invention The purpose is to smoothly close an open shoji screen and to prevent excessive force from being applied to the stay damper mounting part.

Structure of the invention A stay damper is horizontally pivotally connected to the horizontal frame of the window frame and the horizontal stile of the shoji, and the window frame side pulley and the shoji side pulley around which the string-like body for closing the shoji is wrapped are connected to the stay damper. Provided at the pivot connection between the horizontal frame and between the stay damper and the horizontal stile.

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
The movable side 7 is connected to the near position via the window frame side mounting member 20 so as to be able to freely swing vertically and horizontally.
b is connected to a position close to the longitudinal center of the indoor side wall 6a of the lower horizontal member 6 of the shoji B via a shoji side mounting member 21 so as to be able to swing vertically and horizontally;
The stay damper 7 is arranged to be in a substantially horizontal state when the shoji B is closed.

The window frame side mounting member 20 is attached to the connecting wall 3 of the blind 3.
It has a structure in which a long U-shaped movable piece 23 is connected with a pin 24 to a fixed piece 22 fixed with screws etc. to the fixed piece 22 so as to be able to swing up and down.
6, and a fixed side 7a of the stay damper 7 is connected to the support shaft 26 so as to be swingable in the left-right direction.

Thereby, the fixed side 7a of the stay damper 7 can swing up and down with respect to the window frame A by the pin 24, and can swing left and right by the support shaft 26.

The shoji side mounting member 21 has a pin 4 attached to a fixing piece 40 fixed to the indoor side wall 6a of the lower side stile 6 with screws or the like.
2, a long U-shaped movable piece 41 is provided to be able to swing up and down, and a window frame side pulley 43 is attached to the movable piece 41 on the support shaft 4.
4, and the movable side 7b of the stay damper 7 is connected to the support shaft 44 so as to be swingable in the left-right direction.

As a result, the movable side 7b of the stay damper 7
It swings up and down with a pin 42 against the shoji B, and a support shaft 44
It can be swung left and right.

A spring 2 is attached to the connecting wall 1c of the one vertical frame 1.
The rope 29 fixed through the rope 8 is attached to the window frame side pulley 25, the shoji side pulley 43, 43, and the window frame side pulley 25.
Through the hole 30 of the connecting wall 1c of the other vertical frame 1,
The rope 29 is extended downward via an indoor pulley 31 provided on the inner surface of the indoor wall 1a, and the other end of the rope 29 is pulled out indoors through a hole 32 in the indoor wall 1a and is wound around a winder or the like. The structure is such that when the rope 29 is wound up, the shoji B is rotated in the closing direction against the stay damper 7, and the spring force of the spring 28 is made larger than the biasing force of the stay damper 7.

Therefore, in normal times, the shoji B can be held in a closed state by winding the rope 29, and the inner walls 4a, 6a, 8a, 8a of each frame chamber are
Crimp 0, 11, 12, 12 and attach shoji B and window frame A
It is possible to maintain airtightness and watertightness between the

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, resulting in a clean and excellent appearance. It is advantageous in terms of cost because there is no need to increase the size of the stay damper 7, and the stay damper 7 can be easily installed from above the blind 3, making the installation work 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. .

In addition, in the event of a fire, etc., by loosening the rope 29, the shoji B is rotated upward on the outdoor side around the hinge 5 by the biasing force of the stay damper 7, and the window frame A is quickly opened. Can emit smoke.

At this time, the stay damper 7 swings upward while swinging toward the outdoor side, but the window frame side and shoji side mounting members 2
Since the stay damper 7 is connected to the blind 3 and the lower side stile 6 through the pins 0 and 21 so as to be able to swing vertically and horizontally, the stay damper 7 can swing smoothly toward the outdoor side and upward.

The shoji side pulley 43 also has a support shaft 44 that connects the movable side 7b of the stay damper 7 to the lower horizontal stile 6 of the shoji B.
The closing force acting on the shoji B by the rope 29 and the closing force are transferred to the stay damper 7.
The closing force is efficiently transmitted to the stay damper 7, and no unreasonable force is applied to the attachment part of the stay damper 7 to the shoji B, so the shoji B can be closed smoothly.
The mounting part of the stay damper 7 will not be damaged.

Further, since the window frame side pulley 25 swings upward together with the stay damper 7 and is always oriented in the same direction as the shoji side pulley 43, the rope 29 does not come off.

Further, the spring force of the spring 28 is made stronger than the biasing force of the stay damper 7, so if the rope 29 is further pulled after winding the rope 29 and closing the shoji B, the spring 28 will be pulled, and in this state, the rope 29 will be pulled. When locked and fixed, spring 2
The rope 29 is pulled by the spring force of 8, and a force that swings the shoji B toward the closing side acts through the shoji side pulley 43, and the shoji B can be reliably held in the closed state, and each sealing material 10,1
1, 12, 12, each frame room inner wall 4a, 6a, 8
A, 8a can be reliably pressed together to improve airtightness and watertightness.

Note that if the dimensional accuracy of the sealing materials 10, 11, 12, 12 and the inner walls 4a, 6a, 8a, 8a of each frame chamber is improved, the rope 29 can be used without providing the spring 28.
may be directly fixed to the vertical frame 1.

Further, 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. In this case, the stay damper 7 may be connected laterally across the upper horizontal frame and the upper horizontal stile.

As shown in FIG. 6, the shoji side mounting member 21 has a movable piece 41 connected to a fixed piece 40 with a pin 42 so as to be able to swing vertically, and the movable piece 40 is connected to the movable side 7b of the stay damper 7 and the shoji side pulley 43. and separate support shafts 4
4 and 45 may be attached adjacent to each other, or as shown in FIG. 7, the movable side 7b of the stay damper 7 may be connected to the movable piece 41 with a support shaft 44, and the shoji side pulley 43 may be attached to this movable side 7b. The bracket 46 may be attached to the support shaft 45 that connects the movable side 7b of the stay damper 7 to the movable piece 41, as shown in FIG. You may also install it with Note that the window frame side mounting member 20 may also be configured in the same manner as described above.

In other words, the shoji side pulley may be provided adjacent to the shoji side connecting portion of the stay damper 7.

FIG. 9 shows a cross-sectional view of the third embodiment, and shows the window frame A
A hanging mound 50 is provided in the left and right transom parts 51, 51 to form left and right transom parts 51, 51, shojis B, B are attached to each transom part 51, 51, and each shoji B, B is connected with a rope 29, and the shojis B, B are connected. They are connected by a connector 52.

In addition, in the case of continuous windows, a stay damper may be provided on each shoji, and each shoji may be connected with a rope.

Further, instead of the rope 29, a bead chain, wire, chain, etc. may be used. In other words, a string-like body may be used.

Effect of the invention The string-like body 29 for closing the shoji shoji, which is stretched between the window frame side pulley 25 and the shoji side pulley 43, is the stay damper 7.
When the shoji in the open state is moved to the closing side by pulling the string-like body 29, the shoji-closing force by the string-like body 29 is efficiently transmitted substantially parallel to the expansion and contraction direction of the stay damper 7, and the stay damper 7 The shoji can be smoothly shrunk without being twisted, no excessive force is applied to the mounting part of the stay damper 7 and the mounting part is not damaged, and the shoji can be smoothly operated to the closed state.

[Brief explanation of the drawing]

Fig. 1 is a front view of a conventional smoke evacuation window, Fig. 2 and subsequent figures show embodiments 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 Figure 2 is a detailed longitudinal and cross-sectional view, Figure 5 is a perspective view of the window frame side and shoji side mounting part of the stay damper, and Figures 6, 7, and 8 are different embodiments of the shoji side mounting member. FIG. 9 is a cross-sectional view of another different 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 frames, 7 is a stay damper, 8 is a vertical stile, 25 is a window frame side pulley, 29 is a string-shaped body, 43 is the shoji side pulley.

Claims (1)

[Scope of Claim for Utility Model Registration] Window frame A has a rectangular shape with upper and lower horizontal frames 2, 3 and left and right vertical frames 1, 1, upper and lower horizontal frames 4, 6, left and right vertical frames 8,
8, in which a stay damper 7 is pivotally connected laterally across the horizontal frame and the horizontal stile, and the stay damper 7 and the horizontal stile are pivotally connected. A shoji side pulley 43 is provided at the connecting portion, a window frame side pulley 25 is provided at the pivotal connection portion between the stay damper 7 and the horizontal frame, and a shoji side pulley 25 is provided on the window frame side pulley 25 and the shoji side pulley 43 for closing the shoji. A smoke evacuation window characterized by having a string-like body 29 stretched across it.