JP6831074B2 - Joinery - Google Patents

Description

The present invention relates to fittings.

Conventionally, there has been known a protruding window (joint) in which the upper end side of a shoji is supported by a frame and rotates. In addition, among general sashes, fire prevention sashes that can ensure fire prevention performance even when a fire or the like occurs and the temperature becomes high have been proposed, and it is known that the protruding windows also have fire prevention performance. ing.
Patent Document 1 proposes a protruding window that is opened for smoke exhaust in the event of a fire so that the open state can be maintained even when the temperature becomes high.

Utility Model Registration No. 3179207

On the other hand, unlike the protruding window for smoke exhaust of Patent Document 1, the fitting in which the shoji is supported by the frame on the upper end side and rotates is a fitting used as a fire prevention facility while maintaining a closed state in the event of a fire. There is a protruding window).

In such fittings, there is usually a gap between the lower frame of the frame and the lower frame of the shoji. Therefore, if the stile or panel constituting the shoji is deformed in a high temperature state at the time of a fire, the position of the shoji may shift downward and the closed state may not be maintained.

Therefore, the present invention has been made in view of the above circumstances, and an object of the present invention is to provide a fitting that can maintain a closed state even when exposed to a high temperature in the event of a fire or the like.

The fitting of the present invention that solves the above problems has a frame body and a shoji screen arranged in the frame body, and the shoji screen is rotatably supported about the frame body by a rotation support portion. In a fitting having a gap between the lower frame of the frame and the lower stile of the shoji, when the shoji moves downward with respect to the frame in the event of a fire, the lower frame and the lower stile A reinforcing member that comes into contact with the lower frame and supports the lower frame with the lower frame is provided in the gap, and the shoji has a frame body formed in a square frame shape and a panel arranged inside the frame body. The shoji has a fixing portion fixed to the panel fitting groove of the vertical frame of the shoji, and a support portion provided integrally with the fixing portion to support the panel in the panel fitting groove of the lower frame. It is characterized in that a panel support member is provided .

According to the fitting of the present invention, a reinforcing member is provided in the gap between the lower frame of the frame and the lower frame of the shoji. Therefore, when the fitting is exposed to a high temperature, the frame and the panel are deformed, and when the shoji is to be displaced downward in the frame, the reinforcing member comes into contact with the lower frame and the lower frame. That is, the load of the shoji can be supported by the lower frame via the reinforcing member.

As a result, even if the shoji placed away from the lower frame is exposed to high temperatures in the event of a fire or the like in a closed state, the shoji can be prevented from being greatly displaced downward or falling off. it can. Therefore, in the event of a fire or the like, the closed state of the shoji can be maintained, and the fire prevention performance can be ensured.
Further, since the panel is supported by the support portion of the panel support member fixed to the vertical stile of the shoji, the load of the panel can be supported by the vertical stile of the stile. Therefore, the load applied to the lower stile can be reduced. As a result, even if the frame formed in the shape of a four-sided frame is exposed to high temperature in the event of a fire or the like and the lower frame is easily displaced downward from other parts, the load of the panel is not applied to the lower frame. It is possible to prevent the lower stile from falling off or being greatly displaced downward to damage the shoji. Therefore, even in the event of a fire or the like, the shoji can be kept in a more stable and closed state, and fire prevention performance can be ensured.
Further, in the panel support member, the fixing portion is fixed to the panel fitting groove of the vertical frame, and the support portion supports the panel in the panel fitting groove of the lower frame, so that the panel can be mounted on the frame body. It can also function as a setting block.

Further, in the fittings of the present invention, a substantially central portion of the found direction before SL under rail, the panel support possible setting block is arranged, it may be the reinforcement member is provided below the setting block ..

According to such fittings, the panel can be supported by the setting block in the event of a fire or the like, and the load of the shoji can be supported by the lower frame by the reinforcing member provided below through the lower stile. it can.

Further, in the fitting of the present invention, the reinforcing member includes a protrusion extending from one side of the lower frame and the lower stile to the other side, the panel is made of double glazing, and at least one of the double glazings is provided. Is heat-resistant glass, and the protruding portion may be provided on the heat-resistant glass side from the center of the panel fitting groove in the prospective direction.

According to such fittings, since the protruding portion of the reinforcing member is provided below the heat-resistant glass that can withstand high temperatures in the event of a fire or the like, the load of the shoji is more reliably supported by the lower frame via the reinforcing member. It becomes possible to do.

Further, in the fitting of the present invention, at least one of the lower frame and the lower stile in the gap is provided with a warp prevention member for preventing the lower frame and the lower stile from warping, and the reinforcing member is provided. , The lower frame and the lower stile may be contacted before the warp prevention member.

According to such fittings, by providing a warp prevention member, it is possible to more reliably suppress the warpage of the frame or frame in the event of a fire or the like, and the reinforcing member reduces the load of the shoji. It becomes possible to support with a frame.

Further, in the fitting of the present invention, the reinforcing member includes a mounting portion attached to the lower stile and a protruding portion protruding from the mounting portion toward the lower frame, and the reinforcing member is attached to the lower stile. In the attached state, the outdoor side of the lower frame facing the protruding portion may be formed by a surface extending at the same height as or downward from the facing surface.

With such fittings, it becomes easy to secure the length of the protruding portion of the reinforcing member toward the lower frame, and it is possible to support the load of the shoji with the lower frame at an early stage in the event of a fire or the like via the reinforcing member. It becomes.

Further, in the fitting of the present invention, the sash is a protruding window rotatably supported by the rotating support portion on the upper end side around the horizontal axis, and the sash has fireproof performance. It may have been done.

According to such fittings, a reinforcing member is provided between the lower frame and the lower stile even when fire prevention performance is required for a protruding window that is supported only on the upper end side of the shoji with respect to the frame body. As a result, it is possible to prevent the shoji from shifting with respect to the frame body.

According to the fitting of the present invention, since the reinforcing member is provided in the gap between the lower frame of the frame and the lower frame of the shoji, the reinforcing member is lowered when the shoji tries to be displaced downward in the frame. It comes into contact with the frame and the lower stile. Therefore, the load of the shoji can be supported by the lower frame via the reinforcing member, and even if the shoji is exposed to a high temperature in the event of a fire or the like, the closed shoji does not displace significantly downward and the closed state is maintained. be able to.

It is a perspective view of the protruding window according to embodiment of this invention. FIG. 5 is a sectional view taken along the line AA of the protruding window shown in FIG. It is BB sectional view of the protruding window shown in FIG. FIG. 5 is an enlarged cross-sectional view showing a state in which a reinforcing member is provided on the lower frame of the protruding window shown in FIG. It is a partial perspective view of the reinforcing member provided in the lower stile. (A) is an enlarged cross-sectional view showing a state in which the panel support member is arranged in the panel fitting groove of the lower frame of the protruding window shown in FIG. 1, and (b) is a vertical cross-sectional view of the vertical frame of the protruding window shown in FIG. It is an enlarged vertical sectional view which shows the state which the panel support member is arranged in the panel fitting groove. It is a side view of the panel support member shown in FIG. (A) is an enlarged cross-sectional view showing a state in which the damper is connected to the vertical frame of the protruding window shown in FIG. 1, and (b) is a state in which the damper is connected to the vertical frame of the protruding window shown in FIG. It is an enlarged vertical sectional view which shows. It is a side view of the cover member attached to the frame body of the protruding window shown in FIG.

An embodiment of the present invention will be described with reference to the drawings. The fitting of the present embodiment is a protruding window 10 as shown in FIG.
The protruding window 10 of FIG. 1 has a frame body 20 and a shoji screen 30 arranged in the frame body 20. The shoji 30 is supported by the frame body 20 via a rotation support portion (not shown) provided on the upper end side, and can rotate around the horizontal axis (axis line along the finding direction) with respect to the frame body 20. There is.
In FIG. 1, the shoji 30 is arranged in a closed state. The shoji 30 can be unlocked by locking and unlocking with the handle 38 provided on the lower stile 32, and by projecting the handle 38 in the outward direction D1.

As shown in FIGS. 1 to 3, the frame body 20 is formed by connecting the upper frame 21 and the lower frame 22 and the left and right vertical frames 23 and 23 in a square frame shape. Each frame 21, 22, 23 is an aluminum resin composite sash whose outdoor side is made of extruded metal such as an aluminum alloy and the indoor side is made of a resin material. The structure of the sash may be an aluminum sash.
The frame body 20 is attached to the opening of the skeleton of the building. An opening 24 for arranging the shoji 30 is formed inside the frame 20. The opening 24 has an outer opening 24a in which the shoji 30 is arranged and an inner opening 24b provided on the indoor side of the outer opening 24a.

The outer opening 24a is formed larger than the shoji 30. As will be described later, a gap 25a is provided between the lower frame 22 of the frame body 20 and the lower frame 32 of the shoji 30. Further, a gap 25b is provided between the vertical frames 23, 23 on both the left and right sides of the frame body 20 and the vertical frames 33, 33 of the shoji 30, respectively.

The inner opening 24b is formed smaller than the outer opening 24a and slightly smaller than the shoji 30.
At the boundary between the outer opening 24a and the inner opening 24b, a stepped facing portion 24c facing the peripheral edge of the stile 31 of the shoji 30 is formed. In the facing portion 24c, the sealing material 26 that is in close contact with the peripheral edge of the frame 31 in the closed state of the shoji 30 is continuously arranged in an annular shape.

The shoji 30 includes a frame 31 formed in a square frame shape and a glass panel (panel) 35 arranged inside the frame 31.
The glass panel 35 of the present embodiment is made of double glazing, and wire-reinforced glass (heat-resistant glass) is used for the outdoor glass in order to ensure fireproof performance. The heat-resistant glass referred to here is glass that does not need to be allowed to penetrate the fire for 20 minutes. In other words, there is no problem even if the glass itself breaks, and it is not necessary to let the fire penetrate.

The stile 31 is formed by having an upper stile 34 and a lower stile 32, and left and right vertical stiles 33 and 33. Each of the frames 32, 33, and 34 is an aluminum resin composite sash whose outdoor side is made of an extruded metal such as an aluminum alloy and the indoor side is made of a resin material. The structure of the sash may be an aluminum sash. The frames 32, 33, and 34 are arranged so as to surround the glass panel 35 and are connected to each other.

Each of the frames 32, 33, and 34 is formed with a concave panel fitting groove 36 that accommodates and supports the peripheral edge of the glass panel 35. The panel fitting grooves 36 of the respective frames 32, 33, and 34 are formed to have substantially the same width, and are continuous in an annular shape inside the frame 31.

Sealing materials (beats and the like) 37 that are in close contact with each other are continuously arranged in an annular shape between the outer side surface 36a of the panel fitting groove 36 and the outdoor surface peripheral edge portion 35a of the glass panel 35. Similarly, between the inner side surface 36b of the panel fitting groove 36 and the indoor surface peripheral edge portion 35b of the glass panel 35, sealing materials (beats and the like) 37 that are in close contact with each other are continuously arranged in an annular shape. ..

In such a protruding window 10, in the present embodiment, the reinforcing member 40 is provided in the gap 25a between the lower frame 22 of the frame body 20 and the lower frame 32 of the shoji 30.
As shown in FIGS. 2, 4 and 5, the reinforcing member 40 is fixed to the lower surface of the lower stile 32 of the shoji 30 and is arranged so as to project downward toward the lower frame 22. The reinforcing member 40 is provided below the glass panel 35 at the substantially center of the finding direction D2 of the shoji 30.

The reinforcing member 40 of the present embodiment is composed of a piece member having a substantially L-shaped cross-sectional shape over a substantially overall length and a short length in the finding direction, and is made of a metal such as stainless steel. One piece of the reinforcing member 40 is configured as a mounting portion 41 to be attached to the lower stile 32, and the other piece is configured as a protruding portion 42 protruding toward the lower frame 22. Here, the protruding portion 42 of the reinforcing member 40 of the present embodiment is arranged so as to be located on the heat-resistant glass side (outdoor side) from the center of the panel fitting groove 36 in the prospective direction.

The lower stile 32 of the stile 31 has a downward flat surface 32a continuous with the finding direction D2 of the shoji 30. Further, the lower frame 22 of the frame body 20 has a flat facing surface 22a continuous in the finding direction D2 at a position facing the flat surface 32a of the lower frame 32. Therefore, the reinforcing member 40 is attached so that the mounting portion 41 is brought into contact with the flat surface 32a and the protruding portion 42 is directed toward the facing surface 22a. In the state where the reinforcing member 40 is attached to the shoji 30, there is nothing protruding upward from the lower frame 20 on the outdoor side of the protruding portion 42. In other words, when the reinforcing member 40 is attached to the lower stile 32, the outdoor side of the lower frame 22 facing the projecting portion 42 is at the same height as or downwardly extending from the facing surface 22a. It is configured.

Further, a stile-side warp prevention member 71 is provided on the flat surface 32a of the lower stile 32. The stile-side warp prevention member 71 is arranged on the indoor side of the reinforcing member 40. Further, on the facing surface 22a of the lower frame 22, a central warp prevention member 72 is provided at substantially the center of the finding direction D2, and end warp prevention members 73 are provided at substantially both ends of the finding direction D2. The central warp prevention member 72 and the end warp prevention member 73 are arranged on the indoor side of the reinforcing member 40. The stile-side warp prevention member 71, the central warp prevention member 72, and the end warp prevention member 73 are provided to prevent the stile 31 and the frame 20 from warping due to heat in the event of a fire or the like. is there. The stile-side warp prevention member 71 and the central warp prevention member 72 are made of a piece member having a substantially L-shaped cross-sectional shape, and are made of a metal such as stainless steel. Since the end warp prevention member 73 tends to warp more at the end in the event of a fire, the piece protruding in the lower stile direction is directed toward the outdoor side rather than the vertical direction in order to prevent the end warp. In addition, it is composed of a piece member having a substantially V-shaped cross-sectional shape. The end warp prevention member 73 is also made of a metal such as stainless steel.

When such a reinforcing member 40 is provided, the frame 31 is deformed at a high temperature in the event of a fire, and the shoji 30 arranged in a closed state inside the frame 20 tends to be displaced downward with respect to the frame 20. When displaced slightly downward, the protruding portion 42 of the reinforcing member 40 fixed to the lower stile 32 comes into contact with the facing surface 22a. At this time, the protruding portion 42 of the reinforcing member 40 comes before the stile-side warp prevention member 71, the central warp prevention member 72, and the end warp prevention member 73 come into contact with the facing lower frame 22 and lower stile 32. It comes into contact with the facing surface 22a. As a result, the reinforcing member 40 comes into contact with the lower frame 22 of the frame body 20 and the lower frame 32 of the frame 31 to regulate the downward displacement of the shoji 30, and the shoji 30 is supported by the lower frame 22 of the frame 20. Will be. As a result, it is possible to prevent the shoji 30 from moving downward.
Further, since the reinforcing member 40 is provided below the glass panel 35, the load of the glass panel 35 can be supported, which also contributes to the prevention of the glass panel 35 from falling. Further, the reinforcing member 40 also contributes to the prevention of the lower stile 32 from falling. Then, after the reinforcing member 40 comes into contact with the lower frame 22, a frictional force is generated between the reinforcing member 40 and the lower frame 22 due to the load of the shoji 30 to prevent the lower stile 32 from moving in the expected direction. Can be done.

Next, in the protruding window 10 of this embodiment, as shown in FIGS. 3, 6 and 7, a panel support member 50 is provided in the panel fitting groove 36 formed in the frame 31 of the shoji 30. ..
The panel support member 50 is a member formed in a substantially L shape, and is provided with a fixing portion 51 fixed to the panel fitting groove 36 of the vertical frame 33 of the shoji 30 and a lower frame integrally provided with the fixing portion 51. It has a support portion 52 that supports the glass panel 35 in the panel fitting groove 36 of the 32. The panel support member 50 may be made of a metal such as stainless steel.

The fixing portion 51 is firmly fixed to the vertical stile 33 of the stile 31 by screws or the like. Further, the support portion 52 extends from the lower end of the fixing portion 51 in a substantially vertical direction with respect to the fixing portion 51, and is arranged so as to project into the panel fitting groove 36 of the lower stile 32. That is, the support portion 52 is supported by the vertical stile 33 via the fixed portion 51. Further, a cushioning material 53 formed into a plate shape by a rubber material or the like is placed on the upper surface of the support portion 52 that comes into contact with the glass panel 35.

When such a panel support member 50 is provided, when the glass panel 35 is accommodated and arranged in the panel fitting groove 36 of the frame 31, the lower end of the glass panel 35 is placed on the support portion 52. It is attached to the frame 31. After the glass panel 35 is mounted, the panel support member 50 is completely housed in the panel fitting groove 36 and is not visible from the outside.

Further, by providing the panel support member 50, even if the frame 31 is deformed at a high temperature in the event of a fire and the glass panel 35 tries to be displaced downward with respect to the frame 31, the glass panel 35 passes through the panel support member 50. It is held in a state of being supported by the vertical frame 33. Therefore, since the weight of the glass panel 35 is not directly applied to the lower stile 32, the deformation of the lower stile 32 can be suppressed. In other words, the panel support member 50 distributes the weight of the glass panel 35 to the vertical stile 33 in the event of a fire, so that the deformation of the lower stile 32 can be suppressed.

A metal setting block 75 is provided in the panel fitting groove 36 of the lower stile 32. The setting block 75 is not normally in contact with the glass panel 35, and the height of the surface thereof is configured to be substantially flush with the surface of the support portion 52 of the panel support member 50. That is, in a normal state, a gap is formed between the lower end surface of the glass panel 35 and the upper end surface of the setting block 75, and the height of the gap is substantially the same as the thickness of the cushioning material 53. .. The setting block 75 is arranged below the center of the glass panel 35 in the finding direction D2. In the event of a fire, the cushioning material 53 of the panel support member 50 melts, causing the glass panel 35 to fall by its thickness. By providing the setting block 75, the glass panel 35 can be supported not only by the vertical stile 33 via the panel support member 50 but also by the lower stile 32 via the setting block 75 in the event of a fire. That is, the weight of the glass panel 35 can be dispersed and supported by the vertical stile 33 and the lower stile 32, and the deformation of the stile 31 can be dispersed. Further, in the present embodiment, the reinforcing member 40 is arranged vertically below the setting block 75.

Next, in the protruding window 10 of this embodiment, as shown in FIGS. 1, 8 and 9, the damper 60 is provided in the gap 25b between the vertical frame 23 of the frame body 20 and the vertical frame 33 of the shoji 30. Have been placed. Although FIG. 8 shows a state in which the lower end side of the damper 60 is connected to the frame 31 of the shoji 30, the upper end side of the damper 60 is connected to the frame body 20 in the same configuration.

The damper 60 is attached to the connecting portion between the vertical frame 23 of the frame body 20 and the vertical frame 33 of the shoji 30 for the purpose of attenuating the energy of the opening / closing operation of the shoji 30.
The damper 60 of the present embodiment has a main body 61 in which a fluid such as hydraulic oil is sealed, and connecting end portions 62 protruding from the main body 61 and provided at both ends. The connecting end portions 62 provided at both ends of the damper 60 are directly connected to the vertical frame 23 of the frame body 20 and the vertical frame 33 of the shoji 30 respectively.

A cover member 65 fixed to the frame body 20 or the shoji screen 30 is arranged in the vicinity of each connecting end portion 62 of the damper 60.
The cover member 65 is formed by bending, for example, a stainless steel plate. The cover member 65 includes a fixing portion 67 fastened to the vertical frame 33, a rising portion 68 formed so as to bend and rise from the fixing portion 67, and a connecting end portion 62 of the damper 60 connected to the rising portion 68. It has covering portions 69, which are arranged on both sides so as to sandwich and face each other.

A heated foaming material 66 is arranged on the surface of the covering portion 69 facing the connecting end portion 62. By arranging the heated foaming material 66 on both sides of the connecting end 62, when the damper 60 is exposed to a high temperature state in the event of a fire, the heated foam 66 foams to close the connecting end 62. it can. As a result, it is possible to prevent the oil (high temperature fluid) of the damper 60 flowing out from the connecting end portion 62 from being discharged to the outside through the gap 25b, and it is possible to prevent the oil (high temperature fluid) from exploding in the vicinity of the damper 60.

According to the protruding window 10 as described above, the reinforcing member 40 is provided in the gap 25a between the lower frame 22 of the frame body 20 and the lower frame 32 of the shoji 30. Therefore, when the protruding window 10 is exposed to a high temperature, the frame 31 and the glass panel 35 are deformed, and the shoji 30 tries to be displaced downward in the frame 20, but at the stage where the sliding door 30 is slightly displaced downward. , The protruding portion 42 of the reinforcing member 40 fixed to the lower stile 32 comes into contact with the facing surface 22a. As a result, the reinforcing member 40 comes into contact with the lower frame 22 of the frame body 20 and the lower frame 32 of the frame 31 to regulate the downward displacement of the shoji 30, and the shoji 30 is supported by the lower frame 22 of the frame 20. Will be. Therefore, the closed state of the shoji 30 can be maintained in the event of a fire or the like, and the fire prevention performance of the protruding window 10 can be ensured for a long period of time.

Further, in the protruding window 10 of the present embodiment, since the fixing portion 51 of the panel support member 50 is fixed to the vertical frame 33 of the shoji 30 and the glass panel 35 is supported by the support portion 52, the weight of the glass panel 35 is reduced. It can be supported by the vertical stile 33. Therefore, the load applied to the lower stile 32 can be reduced.
As a result, even if the lower stile 32 is easily displaced downward from other parts of the stile 31 by exposing the stile 31 formed in a square frame shape to a high temperature in the event of a fire, the glass panel on the lower stile 32 Since the weight of the 35 is not directly applied, the deformation of the lower stile 32 can be suppressed. As a result, the closed state of the shoji 30 can be maintained in the event of a fire or the like, and the fire prevention performance of the protruding window 10 can be ensured for a long time.

Further, since the fixing portion 51 is fixed to the panel fitting groove 36 of the vertical frame 33 and the support portion 52 supports the glass panel 35 in the panel fitting groove 36 of the lower frame 32, the panel support member 50 is the frame 31. It also functions as a setting block for mounting the glass panel 35.

The above embodiments can be appropriately modified within the scope of the present invention.
For example, in the above, the shapes of the frames 21, 22, 23 of the frame body 20 and the frames 32, 33, 34 of the frame 31 are illustrated, but the shape is not limited in any way, and the frame materials having various shapes and the like. It is possible to apply the present invention to a frame.
Further, in the above embodiment, although the example of the protruding window 10 has been described as a fitting, the shoji 30 arranged in the frame 20 is rotatably supported around the axis by the rotation support portion. The present invention can be applied to fittings in which a gap is formed under 30, for example, a vertical window or a stile door.
Further, the mounting location and shape of the reinforcing member 40 are not limited to the configuration of the above embodiment, and it is sufficient that the load of the shoji can be supported by the lower frame via the reinforcing member in the event of a fire or the like. .. For example, the reinforcing member 40 may be provided over the substantially overall length of the flat surface 32a of the lower stile 32 in the finding direction.
Further, in the above embodiment, the setting block 75 is provided on the lower stile 32, but the setting block 75 may not be provided.
Further, in the above embodiment, the case where the reinforcing member 40 and the setting block 75 are provided in the substantially center of the finding direction of the lower stile 32 has been described, but the installation location does not have to be substantially in the center of the finding direction. For example, since the hanging side of the stile door or the like is supported and fixed by a hinge, the reinforcing member 40 and the setting block 75 may be provided slightly on the door end side.
Further, in the above embodiment, the example in which the reinforcing member 40 is fixed to the lower frame 32 of the shoji 30 has been described, but the reinforcing member 40 can be fixedly provided to the lower frame 22 of the frame body 20.
Further, in the above embodiment, the case where the panel support member 50 is attached to the shoji 30 of the protruding window 10 has been described, but the panel support member 50 can also be attached to the shoji of other types of fittings.

D1 ... Outer direction D2 ... Finding direction 10 ... Protruding window 20 ... Frame body 21 ... Upper frame 22 ... Lower frame 22a ... Opposing surface 23 ... Vertical frame 25a ... Gap 30 ... Shoji 31 ... Frame body 32 ... Lower frame 32a ... Flat Surface 33 ... Vertical stile 34 ... Upper stile 35 ... Glass panel (panel) 36 ... Panel fitting groove 40 ... Reinforcing member 41 ... Mounting part 42 ... Protruding part 50 ... Panel support member 51 ... Fixed part 52 ... Support part 60 ... Damper 62 ... Connecting end 65 ... Cover member 66 ... Heated foam material 67 ... Fixed part 69 ... Covered part 71 ... Frame side warp prevention member (warp prevention member) 72 ... Central warp prevention member (warp prevention member) 73 ... End warp Prevention member (warp prevention member) 75 ... Setting block

Claims (6)

It has a frame and a shoji arranged in the frame, and the shoji is rotatably supported around the axis with respect to the frame by a rotation support portion, and the lower frame of the frame and the shoji In fittings that have a gap between them and the lower stile
In the event of a fire, when the shoji moves downward with respect to the frame body, a reinforcing member that comes into contact with the lower frame and the lower stile and supports the lower stile with the lower frame is provided in the gap .
The shoji is provided with a frame formed in a square frame shape and a panel arranged inside the frame.
A panel support having a fixing portion fixed to the panel fitting groove of the vertical stile of the shoji and a support portion provided integrally with the fixing portion to support the panel in the panel fitting groove of the lower stile. Joinery characterized by being provided with members . A substantially central portion of the found direction before SL under rail, the panel support possible setting block is arranged,
The fitting according to claim 1, wherein the reinforcing member is provided below the setting block. The reinforcing member includes a protrusion extending from one side of the lower frame and the lower stile to the other side.
The panel is made of double glazing, and at least one of the double glazing is heat-resistant glass.
The fitting according to claim 1 or 2 , wherein the protruding portion is provided on the heat-resistant glass side from the center in the prospective direction of the panel fitting groove. At least one of the lower frame and the lower stile in the gap is provided with a warp prevention member for preventing the lower frame and the lower stile from warping.
The fitting according to any one of claims 1 to 3 , wherein the reinforcing member is configured to come into contact with the lower frame and the lower stile before the warp prevention member. The reinforcing member includes a mounting portion attached to the lower stile and a protruding portion protruding from the mounting portion toward the lower frame.
A claim that the outdoor side of the lower frame with the reinforcing member attached to the lower frame is formed of a surface extending at the same height as or downward from the facing surface facing the protruding portion of the lower frame. The fitting according to any one of 1 to 4 . A protruding window in which the shoji is rotatably supported by the rotation support portion on the upper end side around the horizontal axis.
The fitting according to any one of claims 1 to 5 , wherein the shoji is made of one having fireproof performance.

Images