JP2022181904A - Fixture - Google Patents

Abstract

To provide a fixture excellent in a fire retardant property.SOLUTION: An opening is opened as a door end part of a sash capable of closing the opening by being rotatably supported with a frame body rotates while moving to one side in a width direction, and the door end part can close the opening by being engaged with the frame body at a predetermined position in a longitudinal direction of the opening. The frame body comprises: a first sash opposite part opposite to a part at one side of the door end part of the sash closing the opening in a width direction; a second sash opposite part placed apart from the first sash opposite part in the width direction and opposite to a part at the other side in the width direction of the door end part of the sash closing the opening, in the width direction; and an opposite wall part, between the first sash opposite part and the second sash opposite part, opposite to the first sash opposite part and the second sash opposite part and projecting closer to a center side of the opening than the first sash opposite part. The opposite wall part is placed with a space apart from the second sash opposite part in the width direction and provided on at least one of both end parts in a longitudinal direction of the frame.SELECTED DRAWING: Figure 4

Description

TECHNICAL FIELD The present invention relates to a fitting provided with a shoji rotatably supported by a frame forming an opening.

Conventionally, the corner part where the horizontal frame and the vertical (vertical) frame of the frame that supports the shoji are joined is abutted with the indoor inner wall provided on the horizontal frame and the vertical (vertical) frame. A fitting is known in which a fitting provided with a heat-expandable refractory material is superimposed on the butted portion (see, for example, Patent Document 1). In the event of a fire, the heat-expandable refractory material provided in the fittings expands and warps due to the heating of the frame. Prevents flames from escaping.

JP 2014-139395 A

Along with the diversification of fittings, there is an increasing number of elongated windows with a large aspect ratio of the opening, that is, a rectangular opening in which the length of the long side is much longer than the length of the short side. The door end side of the shoji rotatably supported by the frame body forming the window opening having such an elongated shape moves to one side in the projection direction and rotates to open the opening. For example, fittings for casement windows may be provided. The fitting for the casement window is locked to the frame near the center in the longitudinal direction on the door tip side with the shoji closed.

A shoji whose door tip side is locked to a frame in the vicinity of the center in the longitudinal direction expands on the fire base side and warps when heated by a fire. In a warped shoji, the gap between the door tip and the frame widens as it moves away from the locked portion in the longitudinal direction, and there is a risk that a gap will be formed on the end side. In particular, in the case of fittings with a large aspect ratio, there is a problem that the warp that occurs in the event of a fire increases, and there is a risk that the flame will penetrate both ends in the longitudinal direction.

The present invention has been made in view of the above problem, and an object of the present invention is to provide fittings that are more excellent in fire resistance.

The main invention for achieving this object has a frame forming a rectangular opening, and a shoji rotatably supported by the frame and capable of closing the opening, wherein the shoji: The opening is opened by rotating the door tip portion while moving to one side in the projection direction, and the door tip portion is engaged with the frame body at a predetermined position in the longitudinal direction of the opening to close the opening. The frame is closable, and the frame body includes a first shoji facing portion facing the one side portion of the door tip portion of the shoji closing the opening and the first shoji facing portion in the prospective direction, and the first shoji facing portion A second shoji facing portion facing the other side in the prospective direction of the door tip portion of the shoji that is provided at intervals in the prospective direction and closes the opening, and the first shoji facing portion and the second shoji-facing portion, facing the first shoji-facing portion and the second shoji-facing portion, and projecting toward the center of the opening from the first shoji-facing portion and, wherein the facing wall portion is spaced apart from the second shoji facing portion in the projection direction, and is provided on at least one of both ends in the longitudinal direction of the frame. It is a fitting to do.
Other features of the present invention will become apparent from the description of the specification and accompanying drawings.

ADVANTAGE OF THE INVENTION According to this invention, it is possible to provide the fittings which were more excellent in fire resistance.

It is the front view which looked at the fittings which concern on this embodiment from the indoor side. It is a longitudinal section of fittings concerning this embodiment. It is a cross-sectional view of the fittings which concern on this embodiment. It is a cross-sectional view showing the door tip side of the fittings with the shoji closed. It is the perspective view which looked at the cross section which shows the arrangement|positioning of the wall member and heating foaming material which are provided in the door tip side from the indoor side. It is the perspective view which looked at the cross section which shows the arrangement|positioning of the wall member and heating foaming material which are provided in the door tip side from the outdoor side. FIG. 7(a) is a cross-sectional view showing a state in which the door frame is warped, and FIG. 7(b) is a cross-sectional view for explaining the effect of the wall member.

A fitting according to an embodiment of the present invention will be described below with reference to the drawings.
As an example of fittings according to the present embodiment, as shown in FIGS. 1 to 3, fittings 1 for vertical sliding windows will be described as an example.

In the following description, when the fitting 1 attached to a building or the like is viewed from the indoor side, that is, in the state shown in FIG. is shown as the prospective direction. Each part of the fittings 1, and even each member constituting the fittings 1 is in a single state, in the vertical direction, the left-right direction, the perspective direction, etc. in the state where the fittings 1 are attached. to identify and explain the direction.

A fitting 1 of this embodiment includes a frame 2 that is framed in a rectangular shape to form a rectangular opening 2a, and a shoji 3 that is supported by the frame 2 and can close the opening 2a. The frame 2 and the shoji 3 have a large aspect ratio and have a vertically long shape. In the following description, the side of the opening 2a of the frame 2 is the inner peripheral side, and the opposite side is the outer peripheral side.
The fittings 1 are supported by the frame 2 so that the upper and lower ends of one side (the left side in this embodiment) in the left-right direction of the shoji 3 can rotate and move in the left-right direction.

The other side (the right side in this embodiment) of the shoji 3 in the horizontal direction moves to the outdoor side and the shoji 3 rotates, while the supported portion on the left moves rightward to open the opening 2a. be. That is, in this embodiment, the left side is the suspension base side, and the right side is the door edge side.

At a predetermined vertical position (approximately at the center in this embodiment) on the front end side of the shoji 3, the shoji 3 with the opening 2a closed is locked to the front end side of the frame 2. For example, a cam latch handle 4 is provided, and the frame 2 has a locking portion 4a that protrudes and retracts toward the frame 2 when the cam latch handle 4 is operated. A stop member 5 is provided.

The shoji 3 has a rectangular multi-layered glass 3a and a frame 6 which is framed in a rectangular shape and accommodates the peripheral end portion of the multi-layered glass 3a. In the following description, the multi-layered glass 3a side of the frame 6 is the inner peripheral side, and the opposite side is the outer peripheral side.

The frame body 6 is made up of two horizontal frames 7 and 8 located above and below and two vertical frames 9 and 10 located on the left and right. Each of the two horizontal frames 7, 8 and the two vertical frames 9, 10 includes metal (in this embodiment, aluminum) outdoor frame portions 11, 12, 13, which are arranged on the outdoor side. 14, and synthetic resin indoor frame portions 15, 16, 17, 18 arranged on the indoor side. , 13 and 14 are integrally formed with indoor frame portions 15, 16, 17 and 18, respectively. Each of the outdoor frame portions 11, 12, 13 and 14 and each of the indoor frame portions 15, 16, 17 and 18 is a member extruded with the longitudinal direction as the extrusion direction.

In the frame body 6, as shown in FIG. 4, the exterior frame portion 14 of the right vertical frame (hereinafter referred to as the door frame) 10 has a hollow portion 14a which penetrates in the longitudinal direction and has a rectangular cross section. An outdoor wall portion 14b that is positioned on the outdoor side of the hollow portion 14a and forms a wall portion, and an outdoor wall portion 14b that extends from the outdoor wall portion 14b to the inner peripheral side of the frame 6 and faces the peripheral end portion of the double glazing 3a. A glass-facing portion 14c facing each other, a door-end-side extension portion 14d extending outward from the outdoor wall portion 14b to form a viewing surface, and an indoor wall portion 14e positioned on the indoor side of the hollow portion 14a to the indoor side. It has an indoor frame locking portion 14f that extends outwardly and locks the indoor frame portion 18. As shown in FIG.

The tip of the door tip side extension part 14d is slightly extended to the indoor side, and the extended tip and the outer peripheral wall which is located on the outer peripheral side of the hollow part 14a and forms a wall part. The portions 14g and 14g have projections 14h that protrude to the sides facing each other, and the heating foam material 19 arranged on the indoor side of the door-end extending portion 14d is held by the two projections 14h. The heating foam material 19 is provided over substantially the entire length in the longitudinal direction of the door end side extending portion 14d.

The indoor frame portion 18 of the door frame 10 has an indoor facing surface portion 18a that forms a facing surface facing the room, and an indoor cover that is locked to the indoor frame locking portion 14f at a portion on the outer peripheral side of the indoor facing surface portion 18a. A locking portion 18b is provided. A cam latch handle 4 for locking the shoji 3 to the edge of the door of the frame 2 is provided substantially in the vertical center of the indoor viewing surface 18a.

In the indoor frame portion 18, in a state where the indoor locked portion 18b is locked to the indoor frame locking portion 14f, the portion on the inner peripheral side of the indoor viewing surface portion 18a is projected to the glass facing portion 14c of the outdoor frame portion 14. A glass accommodating portion 6a is formed facing each other with a space therebetween in the direction thereof, and accommodates the peripheral end portion of the multi-layer glass 3a.

The glass housing portion 6a is recessed to the outer peripheral side between the indoor facing surface portion 18a and the glass facing portion 14c, and has an inner peripheral wall portion 14i forming a wall portion on the inner peripheral side of the hollow portion 14a of the outdoor frame portion 14 as the bottom. It is grooved. Inside the glass housing portion 6a, there is provided a metallic frame reinforcing member 20 having a U-shaped cross section and facing each of the indoor facing surface portion 18a, the glass facing portion 14c, and the inner peripheral wall portion 14i. A peripheral end portion of the double glazing 3a is accommodated on the inner peripheral side of the inner reinforcing member 20 with a gasket 21 interposed therebetween.

A heating foam member 19 is provided at an outdoor portion of the inner peripheral surface of the reinforcing member expected surface portion 20a facing the inner peripheral wall portion 14i in the frame internal reinforcing member 20 having a U-shaped cross section. The heating foam material 19 is provided on the outdoor side from a portion facing in the left-right direction to the wired glass 3b that constitutes at least the multi-layer glass 3a and is arranged on the outdoor side. In addition, the heating foam material 19 may be provided up to the indoor side of the portion opposed to the wire glass 3b in the left-right direction.

The frame body 2 is composed of two horizontal frames 22 and 23 positioned vertically and two vertical frames 24 and 25 positioned left and right. Both of the two horizontal frames 22, 23 and the two vertical frames 24, 25 are provided with metal (in this embodiment, aluminum) outdoor frame portions 26, 27, 28, which are arranged on the outdoor side. 29, and synthetic resin indoor frame portions 30, 31, 32, 33 arranged on the indoor side. , 28 and 29 are integrally formed with indoor frame portions 30, 31, 32 and 33, respectively. Each of the outdoor frame portions 26, 27, 28 and 29 and each of the indoor frame portions 30, 31, 32 and 33 is a member extruded with the longitudinal direction as the extrusion direction.

The frame body 2 is joined with screws by abutting the ends of the upper and lower horizontal frames 22 and 23 against the frame projection wall portions 24a and 25a forming projection surfaces along the projection direction of the left and right vertical frames 24 and 25. It is

An outdoor frame portion 29 of a vertical frame (hereinafter referred to as a door frame) 25 on the right side of the frame 2 has four inner peripheral protruding portions that protrude from an approximately plate-shaped projected wall portion 29a toward the inner peripheral side of the frame 2. It has 29b, 29c, 29d, 29e, and a frame facing piece 29f that protrudes to the outer peripheral side of the frame 2 and faces the frame.

The four inner peripheral protruding portions 29b, 29c, 29d, and 29e are provided on the most outdoor side, and are provided substantially in the center in the prospective direction of the first inner peripheral protruding portion 29b as the first shoji facing portion and the frame prospective wall portion 29a. The indoor side portion of the indoor frame portion 33 provided close to the second inner peripheral projecting portion 29c as the second shoji facing portion and the indoor side end portion of the frame projection wall portion 29a is locked. a third inner peripheral protrusion 29d and a fourth inner peripheral protrusion 29e.

The first inner peripheral projecting portion 29b is arranged on the indoor side from the outdoor end of the projected wall portion 29a, and maintains watertightness and airtightness between the frame 2 and the shoji 3 on the outdoor side. A tight material fitting portion 29g into which the tight material 34 is fitted is provided. The first inner peripheral protruding portion 29b is such that the door end side extension portion 14d of the shoji 3 in the closed state presses against the tight material 34 and faces in the direction of projection, and the shoji 3 protrudes from the exterior side of the frame projection wall portion 29a. It is arranged so that it is located on the indoor side from the edge of the Here, the door tip side extending portion 14d corresponds to a portion on one side of the door tip portion of the shoji that closes the opening.

The second inner peripheral projecting portion 29c is substantially a plate that forms a facing surface that faces the first inner peripheral projecting portion 29b and the door frame 10 that serves as the door tip portion of the shoji 3 in the closed state with a gap in the projection direction. An outer frame engaging portion 29h is provided at the tip portion to which the outdoor side portion of the indoor frame portion 33 is engaged. The outdoor surface of the second inner peripheral protrusion 29c and the inner peripheral surface of the projection wall 29a located between the first inner peripheral protrusion 29b and the second inner peripheral protrusion 29c are heated. A foam material 19 is provided.

The second inner peripheral protruding portion 29c protrudes inward from the first inner peripheral protruding portion 29b, and its tip is positioned near the outer peripheral wall portion 14g of the outdoor frame portion 14 in the left-right direction. In addition, the second inner peripheral projecting portion 29c is provided on the indoor side of the indoor facing surface portion 18a of the door frame 10. As shown in FIG.

The frame facing piece 29f facing the frame projects slightly from the indoor side to the outer peripheral side than the second inner peripheral projecting portion 29c in the projection wall portion 29a, and is fixed to the frame with a screw entering from the outdoor side.

The indoor frame portion 33 of the door end frame 25 includes an inner frame first cover wall portion 33a arranged along the second inner peripheral projecting portion 29c on the indoor side of the second inner peripheral projecting portion 29c, and an inner frame An inner frame first locking piece 33b is provided at the end on the inner peripheral side of the first facing wall portion 33a and locked to the outer frame locking portion 29h. An inner frame second viewing wall portion 33c forming a viewing surface is provided on the side.

The inner frame second viewing wall portion 33c is located on the outdoor side of the inner frame first viewing wall portion 33a, and is aligned with the portion on the outer peripheral side of the indoor viewing surface portion 18a in the door frame 10 of the closed shoji 3 and the viewing direction. facing the indoor side at intervals. On the outdoor side surface of the inner frame second viewing wall portion 33c, a water stop piece 33d that protrudes to the outdoor side and contacts the indoor side ends of the indoor viewing side portion 18a and the outer peripheral wall portion 14g by elastic deformation is integrally formed. It is provided by molding. Here, the indoor facing surface portion 18a and the outer peripheral wall portion 14g correspond to the portion on the other side of the door tip portion of the shoji that closes the opening.

The indoor frame portion 33 has a third inner frame facing the inner frame first end wall portion 33a, the inner frame first locking piece 33b, and the inner frame second end wall portion 33c with a space therebetween on the indoor side in the projection direction. It has a facing wall portion 33e, and an inner frame inner circumference facing wall portion 33f and an inner frame outer circumference facing wall portion 33g which face each other in the left-right direction, and a hollow portion 33h is formed surrounded by these.

The indoor frame portion 33 is inserted into the hollow portion 33h from the inner peripheral side and is locked to the inner frame inner peripheral facing wall portion 33f at substantially the center in the vertical direction, and the locking member 5 of the cam latch handle 4 is provided. ing. The inner frame outer peripheral facing wall portion 33g extends further to the indoor side than the hollow portion 33h, and a third inner peripheral projecting portion 29d and a fourth inner peripheral projecting portion 29e of the outdoor frame portion 29 are provided at the extended portion. An inner frame second locking piece 33i that is locked to is provided.

In the door frame 25, a wall member 35 made of metal (made of stainless steel in this embodiment) is provided between the first inner peripheral protrusion 29b and the second inner peripheral protrusion 29c of the outdoor frame portion 29. , at both ends of the door frame 25 in the longitudinal direction. Each wall member 35 is identical.

As shown in FIGS. 4 to 6, the wall member 35 has a plate shape and is brought into contact with the prospective wall portion 29a of the door frame 25, and is attached to the prospective wall portion 29a by a screw entering from the inner peripheral side. It has a fixing portion 35a to be fixed, and a plate-like opposing wall portion 35b connected substantially perpendicularly to the fixing portion 35a.

In the wall member 35, the fixing portion 35a is in a state in which the outdoor side surface of the opposing wall portion 35b is in contact with the indoor side portion of the tight material fitting portion 29g of the first inner peripheral projecting portion 29b. It is fixed to the portion 29a.

The wall member 35 fixed to the prospective wall portion 29a is located between the first inner peripheral protrusion 29b and the second inner peripheral protrusion 29c on the central side of the opening 2a, i.e., the door. The opposing wall portion 35b protrudes toward the front frame 10 side. That is, the frame body 2 in which the wall member 35 is fixed to the door frame 25 is provided between the first inner peripheral protrusion 29b and the second inner peripheral protrusion 29c, and the first inner peripheral protrusion 29b and the second inner peripheral protrusion 29c. It has an opposing wall portion 35b that faces the second inner peripheral projecting portion 29c and protrudes further toward the center of the opening 2a than the first inner peripheral projecting portion 29b.

The vertical sliding window of this embodiment has a large aspect ratio, for example, a height of 2270 mm and a width of 300 mm. When heated during the original fire, the top and bottom ends of the door frame 10 are exposed to the vertical central portion where the door frame 6 is locked by the cam latch handle 4 . Warpage occurs as it moves outward.

When the door head frame 10 is warped, the door head side extending portion 14d at the upper and lower ends of the door head frame 10 separates from the tight material 34 provided on the first inner peripheral projecting portion 29b, and the tight material 34 may also melt and fall off. At this time, on the indoor side, there is a risk that the synthetic resin indoor frame portion 33 will also melt and fall off. A gap S penetrating indoors and outdoors is generated between the front frame 10 and the door frame 25.例文帳に追加For this reason, in the fitting 1 of the present embodiment, as shown in FIG. 7B, the tip of the wall member 35 fixed to the prospective wall portion 29a on the inner peripheral side of the opposing wall portion 35b is the first inner peripheral protrusion. It is configured to protrude toward the inner peripheral side from the tip of the portion 29b. More specifically, the door frame 10 is warped and the opposing wall portion 35b protrudes to a position that blocks the gap S between the door frame 10 and the door frame 25, which penetrates the indoor and outdoor spaces. It is

Then, as shown in FIG. 6, the heating foam material 19 provided on the outdoor surface of the second inner peripheral projecting portion 29c is at least the facing wall portion 35b of each of the wall members 35 provided above and below. The heating foam material 19 provided along the longitudinal direction at a position opposed to and on the inner peripheral surface of the projected wall portion 29a is provided near the upper end position of the lower wall member 35 and the upper wall member It is provided over the entire length in the longitudinal direction between the vicinity of the lower end position of 35 .

According to the fitting 1 of the present embodiment, in the state where the shoji 3 closes the opening 2a, the door end side extension portion 14d located on the outdoor side of the door frame 10 of the shoji 3 is facing in the projection direction. An opposing wall portion 35b facing the first inner peripheral projecting portion 29b in the projection direction is provided on the indoor side of the one inner peripheral projecting portion 29b. Since the opening 2a also protrudes to the center side of the opening 2a, the upper and lower ends of the door end side of the shoji 3 are heated by the fire and move to the outdoor side, creating a gap S between the frame 2 and the shoji 3. Even in such a case, it is possible to prevent the gap S from penetrating the indoor side and the outdoor side by the opposing wall portion 35b.

In addition, the gap S caused by the warp of the shoji 3 becomes larger as it approaches the upper end and the lower end of the frame 2. It is possible to block the gap S penetrating in the prospective direction at the upper and lower ends where the gap S is likely to occur. For this reason, it is possible to provide fittings 1 that are more excellent in fire resistance.

The opposing wall portion 35b is formed by fixing a wall member 35, which is separate from the frame 2, to the frame 2, and the opposing wall portion 35b of the wall member 35 Since it is provided at the abutting position, the opposing wall portion 35b can be arranged on the most outdoor side in the direction of projection between the first inner peripheral protrusion 29b and the second inner peripheral protrusion 29c. . For this reason, it is possible to make the opposing wall part 35b protrude more greatly into the clearance S which the indoor and outdoor penetrate through due to the warpage. Therefore, it is possible to block the area through which indoors and outdoors pass through while keeping the size of the facing wall portion 35b smaller.

In addition, since the fixing portion 35a of the wall member 35 can be fixed to the frame body 2 by bringing the opposing wall portion 35b into contact with the first inner peripheral projecting portion 29b, it is easy to position the wall member 35 when it is attached. be. For this reason, it is also excellent in workability.

In the above-described embodiment, the example in which the opposing walls 35b are provided at the upper and lower ends of the frame 2 has been described. If so, it is possible to prevent the flame from penetrating at least on the upper end side or the lower end side provided.

In the above-described embodiment, an example in which the wall member 35 is fixed to the frame 2 by bringing the opposing wall portion 35b into contact with the first inner peripheral projecting portion 29b has been described, but the present invention is not limited to this. For example, the opposing wall portion 35b may be provided between the first inner peripheral protrusion 29b and the second inner peripheral protrusion 29c so as to block the gap caused by the warp. At this time, it is desirable to arrange the second inner peripheral protrusion 29c on the outdoor side. Alternatively, between the first inner peripheral protrusion 29b and the second inner peripheral protrusion 29c, by arranging at a position biased toward the outdoor side, the opposing wall portion 35b may be positioned closer to the inner periphery than the first inner peripheral protrusion 29b. It is possible to block the gap caused by the warp while reducing the amount of protrusion to the side.

In addition, since the heating foam material 19 is provided between the second inner peripheral projecting portion 29c and the opposing wall portion 35b in the fitting 1, the heating foam material 19 foams when heated for fire. As a result, the penetration of the flame can be prevented not only by the opposing wall portion 35b but also by the heating foam material 19 because the second inner peripheral projecting portion 29c and the opposing wall portion 35b bulge in the projection direction. .

In addition, since the heating foam material 19 is provided on the second inner peripheral projecting portion 29c facing the indoor side portion of the shoji 3, it can be heated more quickly in the event of a fire originating on the indoor side. is. For this reason, it is possible to make foaming more quickly and make it difficult for the flame to penetrate more quickly. For this reason, it is possible to provide fittings 1 that are more excellent in fire resistance.

In the above-described embodiment, the moving direction of the door end of the shoji 3 is the outdoor side, but the moving direction of the door end may be the indoor side.
Further, in the above-described embodiment, an example in which the wall member 35 having the opposing wall portion 35b is fixed to the frame 2 has been described. Not limited to this, for example, the opposing wall portion may be formed integrally with the frame.

In the above-described embodiment, the heating foam material 19, which can bulge between the first inner peripheral protrusion 29b and the second inner peripheral protrusion 29c in the direction of projection when heated, is the door end side extending portion. 14d, an example provided on the prospective wall portion 29a and the second inner peripheral projecting portion 29c has been described, but it is possible to bulge between the first inner peripheral projecting portion 29b and the second inner peripheral projecting portion 29c in the projecting direction. The heating foam material 19 may be provided on the outer peripheral wall portion 14g and the opposing wall portion 35b.

In the above-described embodiment, the fitting 1 for a vertical sliding window was described as an example, but it is not limited to this. It does not matter if it is fittings provided with shoji that can be opened and closed by moving.

The above-described embodiments are intended to facilitate understanding of the present invention, and are not intended to limit and interpret the present invention. The present invention can be modified and improved without departing from its spirit, and it goes without saying that the present invention includes equivalents thereof.

This embodiment includes at least the following inventions.
A frame that forms a rectangular opening and a shoji that is rotatably supported by the frame and that can close the opening, wherein the door tip of the shoji moves to one side in the prospective direction. The opening is opened by rotating while rotating, and the door tip is engaged with the frame at a predetermined position in the longitudinal direction of the opening so that the opening can be closed. A first shoji facing portion facing the one side portion of the door tip portion of the shoji closing the opening in the projection direction, and the first shoji facing portion and the opening provided at a distance in the projection direction Between the second shoji facing part facing the other side in the projection direction of the door tip part of the shoji that is closed, and the first shoji facing part and the second shoji facing part and a facing wall portion that is provided and faces the first shoji facing portion and the second shoji facing portion and protrudes toward the center of the opening from the first shoji facing portion, and the facing wall portion is , The fitting is characterized by being spaced apart from the second shoji-facing portion in the projection direction, and provided on at least one of both ends in the longitudinal direction of the frame.

According to such fittings, the door tip portion of the shoji supported by the frame so as to rotate while moving to one side in the direction of projection is fixed at a predetermined position in the longitudinal direction of the opening. In the closed state locked by the frame, when heated by a fire whose fire originates on the other side in the projection direction, both ends in the longitudinal direction move toward one side in the projection direction from the locked position. There is a possibility that warping may occur so as to position them, and a gap may occur between the shoji and the frame.

In a state where the shoji closes the opening, the fitting is located on the other side of the first shoji-facing part that faces the one side part of the door tip part of the shoji in the direction of projection. Between the second shoji-facing part facing the direction and facing the first shoji-facing part and the second shoji-facing part facing the perspective direction and the other part of the shoji provided with a gap in the projection direction, than the first shoji-facing part Since the opposing wall portion is arranged to protrude toward the center of the opening, the portion of the opposing wall portion that protrudes toward the center of the opening blocks the gap caused by the warp, thereby separating the frame and the shoji. It is possible to prevent the gap from penetrating in the expected direction.

At this time, since the facing wall portion is arranged on one side of the second shoji facing portion in the projection direction with a gap therebetween, it is arranged at a position closer to the first shoji facing portion. Therefore, in the facing wall portion, it is possible to prevent the gap between the frame and the shoji from penetrating in the projected direction while keeping the amount of protrusion to the inner peripheral side smaller than the first shoji facing portion. .

In addition, the gap caused by the warping of the shoji is large at both ends in the longitudinal direction of the frame, but since the opposing walls are provided at least one of the ends in the longitudinal direction of the frame, a larger gap is formed. It is possible to prevent penetration of indoor and outdoor at least one of both ends in the longitudinal direction, which is likely to occur. Therefore, it is possible to provide fittings with better fire resistance.

In this fitting, the facing wall portion is provided between the first shoji facing portion and the second shoji facing portion, and is provided at a position biased toward the first shoji facing portion side. and

According to such fittings, the facing wall portion is provided between the first shoji facing portion and the second shoji facing portion at a position biased toward the first shoji facing portion side. is provided on the side facing the second shoji, it is possible to make the facing wall protrude more greatly into the gap between the frame and the shoji that is caused by warping and penetrates in the direction of projection. be. Therefore, it is possible to more reliably block the gap penetrating in the prospective direction.

In such a fitting, it is provided on one of the shoji and the first shoji facing portion that face each other in the direction of projection, and in a state where the shoji closes the opening, the shoji and the first shoji face each other. The opposing wall portion, together with a fixing portion that can be fixed to the frame, forms a wall member separate from the frame, and the wall member The facing wall portion is in contact with the first shoji facing portion, and the fixed portion is fixed to the frame.

According to such a fitting, since the facing wall portion of the wall member is in contact with the first shoji facing portion, it is possible to arrange the facing wall portion on the most one side in the projection direction. For this reason, it is possible to make the opposing wall portion project further into the gap between the frame body and the shoji, which is caused by the warping and penetrates in the prospective direction. In addition, since the wall member can be fixed to the frame by bringing the opposing wall portion into contact with the first shoji-facing portion, positioning when attaching the wall member is easy. For this reason, it is also excellent in workability.

This fitting is characterized in that a swellable heating foam material is provided between the first shoji-facing portion and the second shoji-facing portion in the projection direction.

According to such fittings, when heated for fire, the heated foam material swells between the first shoji facing portion and the second shoji facing portion in the projection direction, so not only the facing wall portion Heated foam can also prevent flame penetration. Therefore, it is possible to provide fittings with better fire resistance.

This fitting is characterized in that the heating foam material is provided in the second shoji-facing portion.

According to such fittings, the heating foam material is provided in the second shoji-facing portion facing the other side in the projection direction of the front end portion of the door in the projection direction, so that the other side in the projection direction is It heats up faster in the event of a fire from which it originates. For this reason, foaming can be performed more quickly, so that a state in which it is difficult for the flame to penetrate can be made more quickly.

1 fitting, 2 frame, 2a opening, 3 shoji, 10 door frame,
14d Door end side extension part, 14g outer peripheral wall part, 18a indoor facing surface part,
19 heating foam material, 29b first inner peripheral protrusion, 29c second inner peripheral protrusion,
34 tight material, 35 wall member, 35a fixing portion, 35b opposing wall portion,

Claims (5)

a frame forming a rectangular opening;
a shoji rotatably supported by the frame and capable of closing the opening;
has
In the shoji, the door tip moves to one side in the projection direction and rotates to open the opening, and the door tip is locked to the frame at a predetermined position in the longitudinal direction of the opening. the opening can be closed by
The frame body includes a first shoji facing portion that faces the one side portion of the door tip portion of the shoji that closes the opening in the direction of projection;
A second shoji-facing portion facing the other side in the viewing direction of the door tip portion of the shoji that is spaced from the first shoji-facing portion in the viewing direction and closes the opening. ,
Provided between the first shoji-facing portion and the second shoji-facing portion, facing the first shoji-facing portion and the second shoji-facing portion, and closer to the center of the opening than the first shoji-facing portion a facing wall portion projecting to the
has
The fitting, wherein the facing wall portion is spaced apart from the second shoji facing portion in a direction of projection, and is provided on at least one of both ends of the frame body in the longitudinal direction. The fitting according to claim 1,
The said facing wall part is provided in the position which deviated to the said 1st shoji facing part side between said 1st shoji facing part and said 2nd said shoji facing part. The fitting according to claim 1 or claim 2,
Provided in one of the shoji and the first shoji facing portion facing in the direction of projection, and in a state where the shoji closes the opening, the other of the shoji and the first shoji facing portion having a tight material that abuts against
The facing wall part forms a wall member separate from the frame body together with a fixing part that can be fixed to the frame body,
The fitting, wherein the wall member has the facing wall part in contact with the first shoji facing part and the fixed part is fixed to the frame. The fitting according to any one of claims 1 to 3,
Fittings characterized by the fact that a swellable heating foam material is provided between the first shoji-facing portion and the second shoji-facing portion in a projection direction. The fitting according to claim 4,
The fitting, wherein the heating foam material is provided in the second shoji-facing portion.

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