JP7026835B2 - Insulated sash - Google Patents

Description

The present invention relates to a heat insulating sash arranged at a building opening such as a building.

Conventionally, as a heat insulating sash placed in a building opening such as a building, a resin frame material is arranged on the indoor side of the metal frame material as opposed to a composite frame in which the resin frame body is arranged on the indoor side of the metal frame body. A heat-insulating sash in which a composite sash is placed is known. (Patent Document 1)

Japanese Unexamined Patent Publication No. 2006-188927

In the fitting of Patent Document 1, by arranging a resin frame made of a resin material and a resin frame material on the indoor side, it is possible to suppress the transmission of cold heat from the indoor side surface of the fitting and improve the heat insulating performance. Then, in order to prevent the transfer of cold heat from between the frame of the fitting and the shoji, an airtight material is placed between the frame and the shoji to prevent the inflow of air from the outside and improve the heat insulation. It was.
However, even if the airtight material is arranged between the frame and the shoji as in Patent Document 1, the cold heat transmitted through the airtight material itself and the cold heat between the frame and the shoji are transmitted. It was difficult to sufficiently suppress.
In view of the above circumstances, the present invention further improves the heat insulating performance by suppressing the transfer of cold heat indoors and outdoors between the frame and the shoji in a sash having an indoor member made of a resin material on the indoor side. The purpose is to plan.

The present invention includes a frame body arranged in the opening of a building and a shoji screen which is slidably opened and closed in the frame body. A metal stile material and a resin stile material having a hollow portion on the indoor side are provided, and the resin stile material of the shoji covers the outer peripheral surface of the glass frontage portion of the metal stile material and extends to the outdoor side of the hollow portion of the resin frame material. The outer peripheral surface of the hollow portion of the resin frame material of the shoji faces the inner peripheral surface of the hollow portion of the resin frame material of the frame, and in the closed state of the shoji, the outer peripheral surface of the hollow portion of the resin frame material of the shoji is used. The inner peripheral surface of the hollow portion of the resin frame material of the frame body is characterized in that it is in contact with or close to each other.

According to the configuration of the present invention, it is possible to insulate between the shoji frames by utilizing the heat insulating structure of the frame and the heat insulating structure of the shoji on the indoor side of the fitting, and it is possible to improve the heat insulating performance.

It is an appearance figure of the heat insulation sash of this invention. It is a vertical sectional view of the inner and outer sash and the upper and lower frames at the position where the sash is arranged when the heat insulating sash of the present invention is closed. It is a vertical cross-sectional view of the inner, outer sash and the upper and lower frames at the position where the outer sash is arranged when the heat insulating sash of this invention is closed. It is a cross-sectional view of the heat insulating sash of this invention. It is an enlarged cross-sectional view of the left vertical frame portion of the heat insulating sash of this invention.

The heat insulating sash according to the embodiment of the present invention will be described with reference to FIGS. 1 to 4.
(Composition of the entire heat insulating sash)
As shown in FIG. 1, the heat insulating sash according to the embodiment of the present invention includes a frame 1 provided at an opening of a building such as a building and an internal sash that is freely arranged with respect to the frame 1. Has 2 and a shoji screen 3.
The frame 1 is composed of upper and lower horizontal frames (upper frame 11 and lower frame 12) and left and right vertical frames 13 and 14 in four circumferences, and the inner sash 2 and the outer sash 3 are upper and lower horizontal frames (upper), respectively. The stiles 21, 31 and lower stiles 22, 32) and the left and right vertical stiles (23, 24, 33, 34) are assembled in four laps, and a panel body (25, 35) such as glass is placed on the inner circumference. Is formed.

(Structure of upper frame)
As shown in FIGS. 2 and 3, the upper frame 11 constituting the frame 1 of the sash has a metal upper frame 111 fixed to the opening of the building and made of a metal material such as aluminum, and an indoor side finding surface of the metal upper frame 111. A resin frame material 112 made of a resin material arranged over the entire length in the finding (left and right) direction, and a resin arranged on the inner peripheral surface of the metal upper frame 111 on the inner sash 2 side when the inner and outer sashes 2 and 3 are closed. A resin frame material 113 made of a material (FIG. 2) and a resin frame material 114 made of a resin material arranged on the inner peripheral surface of the metal upper frame 111 on the outer sash 3 side when the inner and outer sashes 2 and 3 are closed (FIG. 2). Has 3).

The metal upper frame 111 includes an upper frame main body 111a arranged on the inner circumference of the building opening and attached to the anchor A or the like, an indoor side wall 111b hanging from the indoor end of the upper frame main body 111a, and an upper frame. The outdoor wall portion 111c hanging from the outdoor end of the main body 111a, the central wall 111d hanging from the vicinity of the central lower surface of the upper frame main body 111a, and the upper frame between the outdoor wall 111c and the central wall 111d. It has an outdoor outer rail 111e that is vertically hung from the lower surface of the main body 111a.

An airtight material s11 that abuts on the indoor side surface of the upper stile 21 of the inner sash 2 is attached to the indoor side surface of the indoor side wall portion 111b of the metal upper frame 111 by a mounting groove or the like. Is formed with an engaging portion 111f for attaching the resin frame member 112.
Further, an airtight material s12 that abuts on the indoor side surface of the upper stile 31 of the outer sash 3 is attached to the lower end chamber outer surface of the central wall portion 111d of the metal upper frame 111 by a mounting groove or the like, and the interior of the central wall portion 111d. Two engaging portions 111g for attaching the resin frame material 113 or the resin frame material 114 are formed on the side surface in the upper and lower parts.

The resin frame material 112 arranged on the indoor side finding surface of the metal upper frame 111 is engaged with the engaging portion 111f of the indoor side wall portion 111b, so that the hollow portion 112a extends from the lower end surface of the indoor side wall portion 111b to the indoor side surface. It is arranged so as to cover while forming.
Since the resin frame member 112 is arranged so as to be in contact with or close to the airtight material s11 on the lower end surface of the indoor side wall portion 111b, the indoor side wall portion 111b of the metal upper frame 111 is not exposed to the indoor side. A flange portion 112b extending in the indoor direction is formed at the inner peripheral indoor side end of the resin frame member 112.

As shown in FIG. 2, the resin frame material 113 arranged on the inner peripheral surface of the metal upper frame 111 on the inner peripheral surface 2 side when the inner and outer sashes 2 and 3 are closed is the inner circumference of the upper frame main body portion 111a. Lower) The upper wall portion 113a arranged along the surface, the outdoor wall portion 113b having a hollow cross section provided from the outdoor side to the lower side of the upper wall portion 113a, and both indoor and outdoor prospects from the lower end of the outdoor wall portion 113b. It has a lower wall portion 113c having a hollow cross section extending in the direction from the lower end surface of the central wall portion 111d of the metal upper frame 111 to a position close to the outdoor surface of the upper stile 21 of the inner sash 2.

Then, the resin frame material 113 engages the indoor side end portion of the upper wall portion 113a with the locking portion formed at the outdoor upper end of the indoor side wall portion 111b of the metal upper wall portion 111, and also locks the outdoor wall portion 113b and the lower portion. By engaging the wall portion 113c with the engaging portion 111g formed on the central wall portion 111d, the lower surface of the upper frame main body portion 111a of the metal upper frame 111 and the indoor side surface of the central wall portion 111d are covered and lowered. Since the indoor end of the wall portion 113c is close to the outdoor side surface of the upper stile 21 of the inner sash 2, the space between the inner sash 2 and the upper frame 11 when the inner and outer sashes 2 and 3 are closed is a room. It prevents it from opening widely to the outside and suppresses the transfer of cold heat to the room.

As shown in FIG. 3, the resin frame material 114 arranged on the inner peripheral surface of the metal upper frame 111 on the outer sash 3 side when the inner and outer sashes 2 and 3 are closed is the inner circumference of the upper frame main body 111a. Lower) The upper wall portion 114a arranged along the surface, the outdoor wall portion 114b having a hollow cross section provided from the outdoor side of the upper wall portion 114a downward, and the indoor / outdoor prospective direction from the lower end of the outdoor wall portion 114b. The lower wall portion 114c having a hollow cross section extending from the lower end surface of the central wall portion 111d of the metal upper frame 111 to a position close to the outdoor surface of the upper stile 21 of the inner sash 2, and the indoor side of the upper wall portion 114a. It has an interior wall portion 114d provided downward from the door.

Then, the resin frame material 114 locks the lower end of the indoor wall portion 114d to the upper surface of the airtight material mounting groove or the like formed in the indoor side wall portion 111b of the metal upper frame 111, and also locks the outdoor wall portion 114b and the lower wall portion 114c. Is arranged between the indoor side wall portion 111b of the metal upper frame 111 and the central wall portion 111d by engaging with the engaging portion 111g formed on the central wall portion 111d, and the upper frame main body portion of the metal upper frame 111 is arranged. It covers the indoor lower surface of 111a, the indoor side surface of the central wall portion 111d, and the outdoor side surface of the indoor side wall portion 111b.
The resin frame material 114 is formed by forming the outdoor wall portion 114b and the lower wall portion 114c in a hollow cross section, and by arranging the resin frame material 114 at intervals with respect to the metal upper frame 111, so that the inner and outer shoji screens 2 , 3 It is possible to suppress the transfer of cold heat from the metal upper frame 111 on the indoor side of the shoji 3 to the room when the door 3 is closed.

(Structure of lower frame)
As shown in FIGS. Placed on the inner peripheral (upper) surface of the metal lower frame 121 on the outer sash 3 side when the inner and outer sashes 2 and 3 are closed and the resin frame material 122 made of the resin material arranged over the entire length in the finding (left and right) direction. It has a resin frame material 123 (FIG. 3) made of a resin material.

The metal lower frame 121 includes a lower frame main body portion 121a arranged on the inner circumference of the building opening and attached to the anchor A or the like, and a rising portion 121b that stands up on the indoor side of the lower frame main body portion 121a and constitutes an indoor side finding surface. , The indoor side wall portion 121c in which the indoor side finding surface of the rising portion 121b extends upward, and the airtight material holding piece portion 121d extending toward the outdoor side from the position above the outdoor side surface of the rising portion 121b. It has an outdoor lower rail 121e provided on the outdoor upper surface of the frame main body 121a, and an outdoor wall 121f in which the outdoor end of the lower frame main body 121a is bent upward.

On the outer side surface of the upper end of the indoor side wall portion 121c of the metal lower frame 121, the airtight material s21 (FIG. 2) that abuts on the indoor side surface of the lower frame 22 of the inner sash 2 or the fixing portion 125a of the lower rail member 125 described later is covered with airtightness. The cover material s23 (FIG. 3) is attached by an engaging groove or the like, and the airtight material s22 that abuts on the indoor side surface of the lower stile 32 of the outer sash 3 is attached to the outdoor end of the airtight material holding piece 121d. It is attached by a groove or the like.
Further, an engaging portion 121h for arranging the resin frame material 123 or the indoor side lower rail 126 is formed on the upper surface of the rising portion 121b, and the indoor side surface of the rising portion 121b and the indoor side wall portion 121c is formed. An engaging portion 121g for attaching the resin frame member 122 is formed.
The outdoor wall portion 121f of the metal lower frame 121 may form a rail on which a screen door (not shown) travels together with the outdoor wall portion 111c of the metal upper frame 111.

The resin frame material 122 arranged on the indoor side finding surface of the metal lower frame 121 is engaged with the engaging portion 121g of the rising portion 121b and the indoor side wall portion 121c, so that the indoor side surface is from the upper end surface of the indoor side wall portion 121c. The resin frame material 122 arranged so as to cover the hollow portion 122a while forming the hollow portion 122a is arranged so as to be in contact with or close to the airtight material s21 or the airtight cover material s23 on the upper end surface of the indoor side wall portion 121c. The indoor side wall portion 121b of the metal lower frame 121 is not exposed to the indoor side. A flange portion 122b extending in the indoor direction is formed at the inner peripheral indoor side end of the resin frame member 122.

The resin frame material 123 has a fixing portion 123a formed on the indoor side for fixing to the upper surface of the rising portion 121b, and a flat plate portion 123b extending to the outdoor side of the fixing portion 123a, and the fixing portion 123a is engaged with the engaging portion 121h. By fixing the metal lower frame 121 with a fixing means b such as a screw while inserting the metal lower frame 121, the metal lower frame 121 is arranged so as to cover the upper surface of the rising portion 121b to the upper surface of the airtight material holding piece portion 121d.

A lower rail member 125 made of a metal such as aluminum and having a substantially L-shaped cross section is arranged on the upper surface of the fixing portion 123a of the resin frame material 123, and the fixing portion 125a of the resin frame material 123 and the lower rail member 125 is a screw or the like. It is fixed by being fastened together to the upper surface of the rising portion 121b by the fixing means.
The airtight cover material s23 is attached to the engaging groove or the like of the indoor side wall portion 121c of the metal lower frame 121, and is arranged so as to cover the upper surface of the fixing portion 125a of the lower rail member 125.
The resin frame material 123 is arranged so as to be in contact with or close to the airtight material s22 at the outdoor end of the airtight material holding piece portion 121d, and the fixing portion 125a of the lower rail member 125 is covered with the airtight cover material s23. Therefore, when the inner and outer sashes 2 and 3 are closed, the metal lower frame 121 is not exposed indoors on the indoor side of the outer sash 3.
The lower rail of the inner sash 2 is formed by the lower rail 126 on the indoor side arranged on the inner sash 2 side and the lower rail member 125 arranged on the outer sash 3 side in the closed state of the inner and outer sashes 2 and 3. It is configured.

(Structure of left vertical frame)
As shown in FIG. 4, the left vertical frame 13 constituting the frame 1 of the sash has a metal left vertical frame 131 fixed to the opening of the building and made of a metal such as aluminum, and the inner circumference of the metal left vertical frame 131 on the indoor side. It has a resin frame member 132 made of a resin material, which is arranged on a surface over the entire length in the finding (upper and lower) direction.

The metal left vertical frame 131 extends in the inner peripheral direction from the inner peripheral surface of the left vertical frame main body 131a arranged on the inner circumference of the building opening and attached to the anchor A or the like and the indoor end inner peripheral surface of the left vertical frame main body 131a. An engaging piece 131b for engaging the frame member 132, an airtight material mounting portion 131c extending in the inner peripheral direction from slightly toward the outdoor side in the prospective direction of the left vertical frame main body 131a, and airtight material mounting. On the outdoor side of the portion 131c, the attracting piece portion 131d extending in the inner peripheral direction from the inner peripheral surface of the left vertical frame main body 131a and the inner peripheral surface of the left vertical frame main body 131a from the inner peripheral surface of the outdoor end It has an extended outdoor wall portion 131e.

On the outdoor surface of the airtight material mounting portion 131c of the metal left vertical frame 131, the airtight material s32 that abuts on the indoor side surface of the door end stile 33 of the external obstacle 3 is attached by a mounting groove or the like, and the airtight material mounting portion 131c A locking portion for locking the outdoor end of the resin frame member 132 is formed on the indoor side surface.

The resin frame material 132 arranged on the inner peripheral surface of the metal left vertical frame 131 on the indoor side has a plurality of hollow portions, and the engagement piece portion 131b of the metal left vertical frame 131 and the airtight material mounting portion 131c are engaged with each other. It is arranged so as to cover the inner peripheral surface of the airtight material mounting portion 131c of the metal left vertical frame 131 by a stopper or the like on the indoor side. It suppresses the transfer of cold heat from the peripheral surface to the room.
A flange portion 132c extending in the indoor direction from the inner peripheral end on the indoor side is formed.

(Structure of right vertical frame)
As shown in FIG. 4, the right vertical frame 14 constituting the frame 1 of the sash is a metal right vertical frame 141 fixed to the opening of the building and made of a metal such as aluminum, and the inner circumference of the metal right vertical frame 141 on the indoor side. It has a resin frame member 142 made of a resin material, which is arranged on a surface over the entire length in the finding (upper and lower) direction.

The metal right vertical frame 141 is a right vertical frame main body 141a arranged on the inner circumference of the building opening and attached to the anchor A or the like, and an indoor side wall extending in the inner peripheral direction from the indoor inner peripheral surface of the right vertical frame main body 141a. A drawing piece portion 141c extending in the inner peripheral direction from the inner peripheral surface of the right vertical frame main body portion 141a on the outdoor side of the indoor side wall portion 141b and the right vertical frame main body portion 141a, and the position approximately at the center in the expected direction of the right vertical frame main body portion 141a. It has a central wall portion 141d extending in the inner peripheral direction from the inner peripheral surface of the building, and an outdoor wall portion 141e extending in the inner peripheral direction from the outdoor end of the right vertical frame main body portion 141a.

On the outdoor side surface of the indoor side wall portion 141b of the metal right vertical frame 141, an airtight material s41 that abuts on the indoor side surface of the door end stile 24 of the internal shoji 2 is attached by a mounting groove or the like, and a resin frame is attached to the indoor side surface. An engaging portion 141f for locking the material 142 is formed.

The resin frame material 142 arranged on the indoor side finding surface of the metal right vertical frame 141 is engaged with the engaging portion 141f of the indoor side wall portion 141b from the inner peripheral end portion of the indoor side wall portion 141b to the indoor side surface. It is arranged so as to cover the hollow portion 142a while forming the hollow portion 142a.
The resin frame material 142 is arranged so as to be in contact with or close to the airtight material s41 at the inner peripheral end portion of the indoor side wall portion 141b, so that the indoor side wall portion 141b of the metal right vertical frame 141 is exposed to the indoor side. There is no. A flange portion 142b extending in the indoor direction is formed at the inner peripheral indoor side end of the resin frame member 142.

(Structure of upper stile)
Since the upper stiles 21 and 31 constituting the inner and outer sashes 2 and 3 are structurally the same, the upper stile 21 of the inner sash 2 will be described here.
As shown in FIG. 2, the upper stile 21 constituting the internal sash 2 has a metal upper stile 211 made of a metal such as aluminum and a resin upper stile 212 arranged on the indoor side surface of the metal upper stile 211. ..

The metal upper stile 211 has an upper stile main body portion 211a and a glass frontage portion 211b connected to the inner circumference (lower side) of the upper stile main body portion 211a, and has an upper end indoor side of the upper stile main body portion 211a and glass. Upper and lower locking portions for locking the resin upper stile 212 are formed on the lower end indoor side of the frontage portion 211b.
The resin upper stile 212 includes an upper wall portion 212a arranged on the indoor side surface of the upper stile main body portion 211a, a lower wall portion 212c arranged on the indoor side surface of the glass frontage portion 211b, and an upper wall portion 212a and a lower wall portion 212c. The upper wall portion 212a and the lower wall portion 212c are formed with upper and lower hollow portions 212d and 212e, respectively.

Then, the resin upper stile 212 is engaged with respect to the metal upper stile 211 by being locked to the upper and lower locking portions formed on the upper end indoor side of the upper stile main body portion 211a and the lower end indoor side of the glass frontage portion 211b. The space is arranged on the indoor side, and the space and the upper and lower hollow portions 212d and 212e improve the heat insulating performance of the upper stile 21 of the inner sash 2.

Further, when the inner and outer sashes 2 and 3 are closed, the airtight material s11 attached to the indoor side wall portion 111b of the upper frame 11 abuts on the indoor side of the resin upper stile 212 of the upper stile 21 of the inner sash 2. The airtight material s12 attached to the central wall portion 111d of the frame 11 comes into contact with the indoor side of the resin upper stile 312 of the upper stile 31 of the outer sash 3, thereby causing the upper stile 11 and the inner and upper parts of the outer sashes 2 and 3. Consists of the airtight line in.

(Structure of lower stile)
As shown in FIG. 2, the lower stile 22 constituting the internal sash 2 includes a metal lower stile 221 made of a metal such as aluminum and a resin lower stile 222 made of a resin material arranged on the indoor side surface of the metal lower stile 221. Have.
The metal lower stile 221 is a glass connected to the inner circumference of the lower stile main body 221a for accommodating wheels (not shown) guided by the lower rail provided on the lower frame 12 and the lower stile main body 221a. It has a frontage portion 221b, and upper and lower locking portions for locking the resin lower stile 222 are formed on the lower end indoor side of the lower stile main body 221a and the upper end indoor side of the glass frontage 221b.
The resin lower stile 222 has a plurality of hollow portions, and is locked by the upper and lower locking portions formed on the metal lower stile 221 and arranged on the indoor side of the metal lower stile 221 to form the plurality of hollow portions. It is arranged on the indoor side of the lower stile main body portion 221a and the glass frontage portion 221b to improve the heat insulating performance of the lower stile 22 of the internal sash 2.

As shown in FIGS. It has 322.
The metal lower stile 321 has a lower stile main body 321a for accommodating wheels w guided by an indoor rail provided in the lower frame 12, and a glass frontage 321b connected to the inner circumference of the lower stile main body 321a. Upper and lower locking portions for locking the resin lower stile 322 are formed on the lower end indoor side of the lower stile main body portion 321a and the upper end indoor side of the glass frontage portion 321b.
The resin lower stile 322 has a plurality of hollow portions, and is locked by the upper and lower locking portions formed on the metal lower stile 321 and arranged on the indoor side of the metal lower stile 321 to form the plurality of hollow portions. It is arranged on the indoor side of the lower stile main body portion 321a and the glass frontage portion 321b to improve the heat insulating performance of the lower stile 32 of the outer sash 3.

(Composition of door stile)
Since the door tip stiles 24 and 33 constituting the inner and outer sashes 2 and 3 are substantially the same in structure, the door tip stile 24 of the inner sash 2 will be described here.
As shown in FIG. 4, the door tip stile 24 constituting the internal sash 2 is a metal door tip stile 241 made of a metal such as aluminum and a resin door tip made of a resin material arranged on the indoor side surface of the metal door tip stile 241. It has a stile 242.

The metal door tip stile 241 has a door tip stile main body portion 241a in which an opening groove for mounting the pulling block f is formed on the door tip side, and a glass frontage portion 241b connected to the inner circumference of the door front stile main body portion 241a. The attraction block f is arranged in the opening groove of the door tip frame main body 241a, and the outdoor wall constituting the opening groove is airtight with the right vertical frame 14 at the door end side tip. The airtight material s42 is attached.
A locking portion for locking the resin door tip stile 242 is formed at the door tip side tip portion of the indoor side wall constituting the opening groove of the door tip stile main body 241a and the indoor inner peripheral end portion of the glass frontage portion 241b. ing.

The resin door tip stile 242 includes a door tip side portion 242a that covers the indoor side surface of the door tip stile main body 241a, a frontage side portion 242c that covers the indoor side surface of the glass frontage portion 241b, a door tip side portion 242a, and a frontage side portion 242c. It has a prospective wall portion 242b having a hollow cross section extending in a prospective direction to be connected.
Then, the heat insulating performance of the door tip stile 24 is improved by being locked to the locking portion formed on the door tip stile main body portion 241a and the glass frontage portion 241b and arranged on the indoor side of the metal door tip stile 241. There is.
Further, in the closed state of the inner and outer sashes 2 and 3, between the right vertical frame 14 and the inner sash 2, the door end side portion 242a, the prospective wall portion 242b and the right side of the resin door tip stile 242 made of a resin material. A semi-enclosed or sealed space S is formed by the resin frame material 142 of the vertical frame 14, and between the left vertical frame 13 and the shoji screen 3, the door end side portion 332a of the resin door tip stile 332 made of a resin material is formed. A semi-closed or closed space S is formed by the prospective wall portion 332b and the resin frame material 132 of the left vertical frame 13, and the heat insulating performance between the frame and the shoji is improved.

(Composition of the stile)
As shown in FIG. 4, the sash 23 constituting the internal sash 2 is made of a metal stile 231 made of a metal such as aluminum and resin members arranged on the outer peripheral side surface and the indoor side surface of the metal sash 231. It has a resin summoning stile 232.
The metal combination stile 231 is connected to the combination stile main body 231a having a hollow portion and the airtight material s52 attached to the outdoor side surface and the L-shaped piece formed, and the inner circumference of the combination stile main body 231a. It has a glass frontage portion 231b, and a plurality of locking portions for locking the resin mating stile 232 are formed on the outer peripheral side surface and the indoor side surface of the mating stile main body portion 231a and the glass frontage portion 231b. ..
The resin mating stile 232 has a plurality of hollow portions lining up in the prospective direction and the finding direction, and is locked to the locking portion formed in the metal mating stile 231 from the outer peripheral side surface to the indoor side surface of the metal mating stile 231. By arranging them, a plurality of spaces are formed between the metal stiles and the stiles 231 and the hollow portions are fixed in a state of being arranged to improve the heat insulating performance of the stiles 23.

As shown in FIG. 4, the combination stile 34 constituting the outer sash 3 is a metal combination stile 341 made of a metal such as aluminum and a resin material arranged on the inner peripheral portion of the metal combination stile 341 on the indoor side. It has a resin summoning stile 342 made of.
The metal fitting stile 341 has a hollow portion, and an L-shaped piece forming a smoke return is formed on the indoor side surface in cooperation with the L-shaped piece formed on the outdoor side surface of the metal joining stile 231 of the internal sash 2. It has a sash stile main body 341a and a glass frontage 341b connected to the inner circumference of the sash stile main body 341a, and the frontage wall on the indoor side constituting the glass frontage 341b has a hollow portion. is doing.

The resin sash 342 is attached to the inner peripheral end of the frontage wall on the indoor side of the glass frontage portion 341b of the metal sash 341, and the sash 2 is attached to the inner and outer sash 3 in the closed state. When the airtight material s52 attached to the 23 comes into contact with the metal fitting stile 341 of the sash stile 34 of the outer sash 3, the metal sash 341 is suppressed from being exposed to the indoor side, and the heat insulating performance is improved.

(Insulation structure between the vertical frame and the front stile of the shoji screen)
As described above, in the heat insulating sash of the present embodiment, the frame material and the frame material constituting the frame body 1 and the inner and outer sashes 2 and 3 are formed by arranging the resin member on the indoor side of the metal member. Therefore, it is possible to improve the heat insulating performance of the frame 1 and the inner and outer sashes 2 and 3.
Further, in the heat insulating sash of the present embodiment, a configuration for improving the heat insulating performance is adopted between the vertical frame of the frame body 1 and the inside and the door end stiles of the outer sashes 2 and 3.
Hereinafter, the configuration for improving the heat insulating performance will be described with reference to the configuration between the left vertical frame and the door stile of the shoji screen shown in FIG.

As shown in FIG. 5, the left vertical frame 13 constituting the frame 1 of the sash is a resin frame material that is engaged and fixed to the metal left vertical frame 131 and the inner peripheral surface of the metal left vertical frame 131 on the indoor side. It has 132. An opening groove is formed by the airtight material mounting portion 131c of the metal left vertical frame 131 and the outdoor wall portion 131e to receive the door tip stile 33 of the outer sash 3, and the airtight material s32 attached to the airtight material mounting portion 131c is formed on the door stile. The airtight line between the left vertical frame 13 and the outer shoji 3 is formed by abutting on the indoor side surface of the door tip side portion 332a of the resin door tip stile (resin stile material) 332 of 33.

The resin frame material 132 is a resin vertical frame main body 132a made of a hard resin material that is locked and fixed to a locking projection formed on the engaging piece 131b of the metal left vertical frame 131 and the airtight material mounting portion 131c. And, it has a hollow door stop portion (hollow portion) 132b made of a soft resin material integrally formed on the outdoor inner peripheral surface of the resin vertical frame main body portion 132a.
The outdoor end of the resin vertical frame main body 132a covers the inner peripheral end surface of the airtight material mounting portion 131c of the metal left vertical frame 131, and further, the inner peripheral surface of the left vertical frame main body 131a and the engaging piece 131b. By covering the metal left vertical frame 131, the metal left vertical frame 131 is prevented from being exposed on the indoor side of the airtight line between the left vertical frame 13 and the outer sash 3.

A rib or the like is provided on the outer peripheral surface of the resin vertical frame main body 132a, and the metal left vertical frame 131 and the resin frame member 132 are arranged so as to be arranged with a space. Further, a plurality of hollow portions 132d are formed in the indoor side portion of the resin vertical frame main body 132a so as to cover the inner peripheral side of the engaging piece 131b, and the metal left vertical frame 131 can be moved into the room. The transfer of cold heat is further suppressed.

The door stop portion 132b is integrally formed on the outdoor side of the hollow portion 132d of the resin vertical frame main body portion 132a, and the inner peripheral surface of the door stop portion 132b is flush with the inner peripheral surface of the hollow portion 132d in the prospective direction. It extends to the outside of the room so that it is continuous. The outdoor end of the inner peripheral surface of the door stop 132b is smoothly curved toward the outer periphery, and when it reaches the outdoor end of the resin vertical frame main body 132a, the inner peripheral surface is a hollow portion made of soft resin (door stop 132b). ) Is formed.

On the other hand, the metal door tip stile 331 of the door tip stile 33 of the outer shoji 3 has a door tip stile main body portion 331a and a door tip stile main body portion including a door tip side opening 331c and a hollow portion 331d to which the pulling block f is mounted. It has a glass frontage portion 331b connected to the inner peripheral side of 331a.
In the door tip stile 33 of the present embodiment, the glass frontage portion 331b is formed so as to have a large prospective dimension with respect to the door tip stile main body portion 331a and project to the indoor side.
As a result, on the outer peripheral side of the glass frontage portion 331b, a prospective surface 331e extending in the prospective direction from the door end stile main body portion 331a in the indoor direction is formed.

The resin door tip stile (resin stile material) 332 arranged on the indoor side of the metal door tip stile 331 includes a door tip side portion 332a covering the indoor side of the door tip stile main body 331a of the metal door tip stile 331 and a glass frontage. It has a frontage side portion 332c that covers the indoor side of the portion 331b, and a prospective wall portion 332b having a hollow cross section extending in a prospective direction connecting the door end side portion 332a and the frontage side portion 332c.
The prospective wall portion (hollow portion) 332b of the resin door tip stile (resin stile material) 332 is arranged on the outer peripheral side of the prospective surface 331e of the glass frontage portion 331b of the metal door tip stile 331, and is arranged on the outer peripheral side of the prospective wall portion 332b. The surface is arranged so as to face the inner peripheral surface of the door stop portion (hollow portion) 132b of the resin frame material 132.

Then, the outer peripheral surface of the prospective wall portion (hollow portion) 332b of the resin door tip frame (resin frame material) 332 and the inner peripheral surface of the door stop portion (hollow portion) 132b of the resin frame material 132 are formed when the outer shoji 3 is closed. In the above, a closed space S is formed on the indoor side of the airtight line between the left vertical frame 13 and the outer sash 3 by abutting them or bringing them close to each other with a gap of 2 mm or less.
Therefore, by using the resin frame material 132 of the left vertical frame 13 and the resin door tip stile 332 of the door tip stile 33, the airtight material s32 between the left vertical frame 13 and the door tip stile 33 of the outer shoji 3 is placed on the indoor side of the airtight line. Since the heat insulating structure can be formed by the closed space S and the hollow portion, the heat insulating performance between the left vertical frame 13 and the door end frame 33 of the outer sash 3 can be further improved.
Further, the outer peripheral surface of the prospective wall portion (hollow portion) 332b of the resin door tip frame (resin frame material) 332 and the inner peripheral surface of the door stop portion (hollow portion) 132b of the resin frame material 132 are slightly (2 mm or less). When a closed space S is formed by leaving a gap close to each other, the outer peripheral surface of the prospective wall portion (hollow portion) 332b and the inner peripheral surface of the door stop portion (hollow portion) 132b are brought into contact with each other to form a closed space. The opening resistance of the closed space (contact portion) at the time of opening the shoji is not applied, and the load at the time of the initial operation of opening the shoji can be reduced.

As described above, in the heat insulating sash of the present embodiment, the resin member having a hollow portion (door stop portion 132b) is arranged on the inner peripheral surface of the vertical frame, and the hollow portion (hollow portion) is arranged on the outer peripheral surface of the door end stile of the shoji. By arranging a resin stile having a prospective wall portion 332b) and further forming a closed space by abutting or close contact between hollow portions, that is, heat insulating air layers, the heat insulating performance between the vertical frame and the door stile can be improved. It can be further improved.
Moreover, the contact or proximity of the hollow portions is performed by the inner peripheral surface of the hollow portion of the vertical frame (door stop portion 132b) and the outer peripheral surface of the hollow portion of the door tip stile (expected wall portion 332b) in the prospective direction. Since they are abutted or brought close to each other over a predetermined dimension, a heat insulating layer made of hollow portions thick in the prospective direction can be formed as a whole, and the heat insulating performance can be improved.

Further, by forming the contact portion of the hollow portion of either the vertical frame or the door end stile as a soft portion with a soft resin member, the impact of a collision at the time of closing can be softened, and by finger stuffing or the like. You can prevent injuries.
In addition, by arranging the heat insulating structure by abutting or close contact between the hollow parts between the vertical frame and the vertical frame of the sliding window, it is possible to improve the heat insulating property especially between long members in the sash. , It is possible to efficiently improve the heat insulating property.

In the heat insulating sash of the present embodiment, the sliding sash is taken as an example, and the resin member arranged in the left vertical frame is provided with a door stop portion made of soft resin. The frame to be provided may be a right vertical frame, and in a sash that opens and closes up and down, a door stop may be provided on the upper frame or the lower frame.
Further, the hollow portion formed by the soft resin is not limited to the hollow portion of the frame body, and the hollow portion of the frame material may be formed by the soft resin. Further, the shape of the door stop portion formed of the soft resin may be any shape such as a semicircular shape.

1: Frame body 2: Internal obstacle 3: External obstacle 11: Upper frame 111: Metal upper frame 112: Resin frame material 113: Resin frame material 114: Resin frame material 12: Lower frame 121: Metal lower frame 122: Resin frame material 123: Resin frame material 125: Lower rail member 126: Indoor side lower rail 13: Left vertical frame 131: Metal left vertical frame 131a: Left vertical frame main body 131b: Engagement piece 131c: Airtight material mounting 131d: Pull One part 131e: Outdoor wall part 132: Resin frame material 132a: Resin vertical frame main body part 132b: Door stop part (hollow part)
132c: Flange part 132d: Hollow part 14: Right vertical frame 141: Metal right vertical frame 142: Resin frame material 21: Upper stile 211: Metal upper stile 212: Resin upper stile 22: Lower stile 221: Metal lower stile 222: Resin Lower stile 23: Combined stile 231: Metal combined stile 232: Resin combined stile 24: Door tip stile 241: Metal door tip stile 242: Resin door tip stile 31: Upper stile 312: Resin upper stile 32: Lower stile 321 : Metal lower stile 322: Resin lower stile 33: Door tip stile 331: Metal door tip stile 331a: Door tip stile main body 331b: Glass frontage 331c: Door tip side opening 331d: Hollow part 331e: Expected surface 332: Resin Door stile 332a: Door side side 332b: Expected wall part (hollow part)
332c: Frontage side 34: Combined stile 341: Metal combined stile 342: Resin combined stile

Claims (1)

It is equipped with a frame that is placed at the opening of the building and a shoji that can be slidably opened and closed inside the frame.
The frame is provided with a resin frame material having a hollow portion on the indoor side.
The shoji is equipped with a metal frame material and a resin frame material having a hollow part on the indoor side.
The resin stile material of the shoji covers the outer peripheral surface of the glass frontage portion of the metal stile material and extends to the outdoor side from the hollow portion of the resin frame material.
The outer peripheral surface of the hollow portion of the resin frame material of the shoji faces the inner peripheral surface of the hollow portion of the resin frame material of the frame body.
A heat insulating sash characterized in that the outer peripheral surface of the hollow portion of the resin frame material of the shoji and the inner peripheral surface of the hollow portion of the resin frame material of the frame are in contact with each other or close to each other in the closed state of the shoji.

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