JP2020051247A - Heat-insulating sash - Google Patents

Abstract

To provide a heat-insulating sash with high heat-insulation performance obtained by blocking heat transmission in an inner periphery (a width) direction from an inner periphery surface of a stile.SOLUTION: A heat-insulating sash comprises: a window frame mounted on an opening of a building; and a screen where a resin stile 242 having a hollow is attached on an indoor side of a metallic stile 241. The resin stile comprises: an indoor-side hollow 242a provided on an indoor side of the metallic stile; and a lateral-side hollow 242b provided consecutively on an inner periphery side of the indoor-side hollow and opposed to a depth surface of an inner periphery of the metallic stile. The lateral-side hollow is separated into a plurality of compartments in a width direction by a partition W intersecting with a transmission direction of cold-and-heat from the depth surface of the inner periphery of the metallic stile.SELECTED DRAWING: Figure 5

Description

  The present invention relates to a heat insulating sash provided with a shoji having a resin frame arranged on the indoor side of a metal frame.

  In recent years, a heat insulating sash provided with a composite frame including a metal frame and a resin frame has been widely known. In particular, in order to enhance heat insulation, a hollow portion is formed in the resin frame to form a heat insulating layer by air. A known heat insulating sash is known (Patent Document 1).

Japanese Patent No. 3143736

In Patent Document 1, by forming a hollow portion in the resin frame of the frame of the inner and outer sliding doors, transmission of cold heat from the indoor side surface of the metal portion of the frame to the inside and outside of the room is prevented, and the heat insulating property is enhanced. I have. In such a heat-insulating sash, the transmission of cold heat from the metal part of the frame or frame is not limited to the transmission from the indoor side to the indoor and outdoor directions. Cold heat is transmitted into the room from the inner peripheral surface and the outer peripheral surface toward the inner circumferential direction or the outer circumferential direction.
In particular, the space between the frame and the frame, and the space between the frame and the glass, are easy to transmit the outdoor cold heat, and the inner peripheral surface of the frame and the assembling frame forming those spaces In the case where the inner peripheral surface is formed of metal parts, for example, cold heat is transmitted from those metal parts toward the inner peripheral direction. On the other hand, the resin frame facing the inner peripheral surface of the metal part that forms the space between the frame and the frame and the space between the frame and the glass has only a relatively large hollow portion. In some cases, cold heat was transmitted to the room by convection in the hollow portion.

  The present invention has been made in view of the above circumstances, and in a heat insulating sash, of a resin frame of a shoji screen, a space between a frame and a frame, a portion of a portion facing a metal portion forming a space between the frame and glass. An object of the present invention is to improve the heat insulation performance by suppressing the convection in the hollow portion, thereby preventing the transmission of cold heat transmitted in the inner circumferential (found) direction.

  The present invention includes a window frame attached to an opening of a building, and a shoji having a resin frame having a hollow portion on the indoor side of a metal frame, wherein the resin frame is located on the indoor side of the metal frame. It has a hollow portion and a side hollow portion which is continuously provided on the inner peripheral side of the indoor side hollow portion and faces the metal frame inner peripheral expected surface, and the side hollow portion has a cooling heat from the metal frame inner peripheral expected surface. It is a heat insulating sash which is divided into a plurality of sections in a finding direction by a partition wall crossing a transmission direction.

  Since the convection in the hollow portion of the resin frame opposed to the space between the frame and the frame or the space between the frame and the glass can be suppressed, the space between the frame and the frame or between the frame and the glass. The transmission of cold heat from the air can be prevented, and the heat insulation performance can be improved.

It is a longitudinal section of a heat insulation sash concerning an embodiment of the present invention. 1 is a cross-sectional view of a heat insulating sash according to a first embodiment of the present invention. It is a cross-sectional view of the door frame part of the outer sash of the heat insulation sash according to the first embodiment of the present invention. It is a cross-sectional view of the heat insulation sash according to the second embodiment of the present invention. It is a cross-sectional view of the combination frame part of the inner shroud of the heat insulation sash according to the second embodiment of the present invention. It is a cross-sectional view of a heat insulating sash according to a third embodiment of the present invention. It is a cross-sectional view of the door frame part of a shoji for explaining the modification of the heat insulation sash which concerns on each embodiment of this invention.

An insulating sash according to an embodiment of the present invention will be described with reference to the drawings.
(Overall configuration)
As shown in FIGS. 1 and 2, the heat insulating sash according to the embodiment of the present invention includes an upper frame 11, a lower frame 12, and left and right vertical frames 13 and 14, which are installed in four rounds, and are installed in a building opening. The frame, the upper frames 21 and 31, the lower frames 22 and 32, the door frames 23 and 33, and the combination frames 24 and 34 are assembled in four rounds, and the panel body is fitted in the inner circumference. , 3 and are formed as sliding windows by supporting the inner and outer shojis 2 and 3 movably in the left and right directions along the inner and outer guide rails formed on the frame body.

(Configuration of frame)
The upper frame 11 connects an outdoor metal frame 111 and an indoor metal frame 112 formed of a metal material such as aluminum with a connecting member 113 made of a heat insulating material such as a resin. It is configured by engaging a resin frame 114.
An outer guide rail 111a for guiding the outer sash 3 is hung on the lower surface of the outdoor metal frame 111 near the outdoor, and an inner guide rail 112a for guiding the inner sash 2 from the outdoor end of the indoor metal frame 112 is provided. It is hanging.

The resin frame 114 has an outer wall portion 114a that covers the inner surface of the inner guide rail 112a of the indoor side metal frame 112, an upper wall portion 114b that covers the lower surface of the indoor side metal frame 112, and an indoor side end of the upper wall portion 114b. The interior wall 114c hangs downward, and the frame 114d extends from the lower end of the interior wall 114c toward the interior of the room.
Then, in a state where the upper wall portion 114b of the resin frame 114 is engaged with the inner periphery of the indoor side metal frame 112, the resin frame 114 is fixed at a plurality of locations from the inner periphery side by fixing means n such as screws penetrating both, thereby building the building. It is fixed to the opening.

Between the outer guide rail 111a and the inner guide rail 112a, a resin-made rail-to-rail upper cover 51 that covers the lower surface of the outdoor metal frame 111 is arranged.
The rail-to-rail upper cover 51 is configured as a long member having a substantially flat plate shape having substantially half the length of the upper frame 11, and is provided at least at a position above the joining portion of the upper frame 11. (Not shown) and disposed between the left vertical frame 13 and the inner and outer sashes 2 and 3, and when the inner and outer sashes 2 and 3 are closed, cold heat is transmitted from the lower surface of the outdoor metal frame 111 to the room. Has been suppressed.

  A hollow protruding portion 71 made of a soft material is formed on the lower surface of the inter-rail upper cover 51 to suppress convection of air between the upper surface of the outer sash 3 and the upper frame 11 to improve heat insulation. .

The lower frame 12 connects an outdoor metal frame 121 and an indoor metal frame 122 formed of a metal material such as aluminum with a connecting member 123 made of a heat insulating material such as a resin. It is configured by engaging a resin frame 124.
An outer guide rail 121a for guiding the outer sash is provided on the upper surface of the outdoor metal frame 121 near the outdoor, and an inner guide rail 122a for guiding the inner sash from the outdoor end of the indoor metal frame 122 is provided. .
In addition, between the outer guide rail 121a and the inner guide rail 122a, a resin lower rail cover 52 that covers the upper surface of the outdoor metal frame 121 is disposed.

  The rail-to-rail lower cover 52 is configured as a substantially plate-like elongated member having a length substantially equal to that of the lower frame 12, and is provided at least at a lower position of the lower frame 12 at a lower portion of the lower portion of the lower frame 12. (Not shown) and the left vertical frame 13 to suppress the transmission of cold heat from the upper surface of the outdoor metal frame 121 exposed to the room when the inner and outer sashes 2 and 3 are closed. doing.

  The resin frame 124 includes a bottom wall portion 124a that covers the upper surface of the indoor side metal frame 122, an indoor wall portion 124b extending above the indoor side end of the bottom wall portion 124a, and an indoor side from the upper end of the indoor wall portion 124b. And a forehead portion 124c to be extended.

  The left vertical frame 13 is made of a metal material such as aluminum, and has a metal frame 131 provided on the inner peripheral surface thereof with a pulling piece 131a with which a pulling block f disposed on the door frame 33 of the outer sash 3 is in contact. And a resin frame 132 engaged with and fixed to the inner peripheral surface of the metal frame 131 on the indoor side.

The resin frame 132 includes a main body 132a that is engaged with the metal frame 131 and covers the inner peripheral surface of the left vertical frame 13 on the indoor side, and a forehead 132b extending toward the indoor side of the main body 132a.
The main body part 132a has mounting recesses 132c that open in the inner circumferential direction at a plurality of locations in the vertical direction. The bottom wall of the mounting recess 132c is overlapped with the metal frame 131 of the left vertical frame 13 and penetrates both. It is fixed to the opening of the building by fixing it at a plurality of locations from the inner peripheral side with fixing means n such as screws.

When the eye panel 91 is fitted into the opening of the mounting recess 132c, a hollow portion is formed by the mounting recess 132c and the eye panel 91, thereby preventing the transmission of cold heat from the fixing means n such as screws to the indoor side. In addition, the design is kept from deteriorating.
The mounting recess 132c may be configured as a groove that is continuous in the longitudinal direction (vertical direction) of the resin frame 132.

  The right vertical frame 14 is formed of a metal material such as aluminum, and has a metal frame 141 provided on its inner peripheral surface with a pulling piece 141a with which a pulling block f disposed on the door frame 23 of the inner sash 2 abuts. , And a resin frame 142 which is engaged and fixed to the inner peripheral surface of the metal frame 141 on the indoor side.

  The resin frame 142 includes a mounting portion 142a to be engaged with the metal frame 141, a right vertical wall portion 142b extending inward from the indoor side end of the mounting portion 142a, and a chamber from an inner circumferential end of the right vertical wall portion 142b. The building is constituted by a forehead portion 142c extending inward, and fixed at a plurality of locations from the inner peripheral side by fixing means n such as screws penetrating both while the mounting portion 142a is engaged with the metal frame 141. Is firmly fixed to the opening.

(Structure of Shoji)
The inner shoji 2 is composed of an upper frame 21, a lower frame 22, a door frame 23, and a combination frame 24.
The upper frame 21 is configured as a composite frame including a metal frame 211 formed of a metal material such as aluminum and a resin frame 212 disposed on the indoor side of the metal frame 211, and the resin frame 212 has an inner guide rail. The guide groove 112a constitutes an indoor side portion of the guide groove.
Further, the resin frame 212 has a plurality of hollow portions, and the heat insulation of the upper frame 21 is improved.

  A tight material that is in contact with or close to the inner guide rail 112a is attached to the upper end of the guide groove on the outdoor side and the upper end of the indoor side, so that the space between the upper frame 11 and the upper frame 21 is air-tight. This prevents outside air from directly entering the room through the space between the upper surface and the lower surface of the upper frame 11.

  Similarly, the lower frame 22 of the inner shoji 2 is configured as a composite frame including a metal frame 221 formed of a metal material such as aluminum and a resin frame 222 disposed on the indoor side of the metal frame 221. A guide groove is formed on the outer periphery of the lower frame 22, and a wheel a running on an inner guide rail 122a formed on the lower frame 12 is arranged in the guide groove.

  A tight material that is in contact with the inner guide rail 122a is attached to the lower end of the guide groove on the outside of the room, so that the space between the lower frame 12 and the lower frame 22 is airtight, and the lower surface of the lower frame 22 and the upper surface of the lower frame 12 This prevents outside air from directly entering the room through the space.

The door frame 23 of the inner shoji 2 is configured as a composite frame composed of a metal frame 231 formed of a metal material such as aluminum and a resin frame 232 arranged on the indoor side of the metal frame 231. 232 is provided with a hollow structure composed of a plurality of hollow portions to improve the heat insulation of the door frame 23.
At the outer periphery of the door frame 23, a pulling block f which is in contact with a pulling piece 141a formed on the right vertical frame 14 is installed, and at the outer peripheral end of the metal frame 231 when the inner sash 2 is closed. A tight material that is in contact with the piece 141a is attached, and the space between the right vertical frame 14 and the door frame 23 is airtight, and the space between the outer peripheral surface of the door frame 23 and the inner peripheral surface of the right vertical frame 14 is sealed. This prevents outside air from directly entering the room.

The combination frame 24 of the inner shoji 2 includes a metal frame 241 formed of a metal material such as aluminum and a resin frame 242 disposed on the indoor side of the metal frame 241. It is integrated as a side frame and an outer peripheral surface, that is, a surface exposed to the room when the shoji is closed to form a composite frame.
A smoke return c is formed between the outdoor side surface of the metal frame 241 and the indoor side surface of the combination frame 34 of the sliding door 3.

On the other hand, the outer sash 3 is composed of an upper frame 31, a lower sash 32, a door frame 33, and a combination frame 34, like the inner sash 2, and the entire combination frame 34 is formed of a metal material such as aluminum. It differs from the inner shoji 2 in that it is not configured as a composite frame.
The other configurations of the outer sash 3 are substantially the same, and thus the description thereof is omitted.

-1st Embodiment-
In the conventional insulation sash, transmission of cold heat from the metal frame was mainly prevented by covering the indoor side surface of the metal frame with a resin frame. The transfer of cold heat transmitted from the room to the room in the direction of the finding has not been sufficiently considered.

Therefore, in the heat insulating sash of the first embodiment shown in FIG. 2, the transmission of cold heat (indicated by “Q1” in the figure) transmitted from the inner peripheral surface of the frame body toward the inner peripheral direction in the room is efficient. It is provided with a configuration for preventing
A specific configuration of the heat insulating sash according to the first embodiment of the present invention will be described below with reference to FIG.
The door frame 33 of the outer sliding door 3 of the heat insulating sash shown in FIG. 3 includes a metal frame 331 formed of a metal material such as aluminum and a resin frame 332 formed of resin or the like at a substantially central position in the expected direction of the sliding door 3. Are connected to each other.

  The resin frame 332 includes an indoor hollow portion 332a disposed on the indoor side of the metal frame 331, and a door-end hollow portion (side hollow portion) connected to the door-end side (outer peripheral side) of the indoor hollow portion 332a. ) 332b and a glass frontage portion 332c which is continuously provided on the inner peripheral side of the indoor side hollow portion 332a and forms a glass holding groove for holding a panel such as glass. The indoor side hollow portion 332a and the doorside hollow portion ( It is locked and fixed to the metal frame 331 by a locking portion provided on the outer peripheral surface of the side hollow portion 332b.

  The indoor hollow portion 332a is divided into a plurality of sections in the expected direction by the partition wall w, and the convection generated in the indoor hollow portion 332a is divided in the expected direction. Transmission of cold heat in the direction (indicated by “Q2” in the figure) is suppressed.

  The door-end-side hollow portion (side-side hollow portion) 332b is formed to have a larger width in the expected direction than the indoor-side hollow portion 332a, and is provided with a plurality of partition walls w in the finding direction (in the left-right direction in FIG. 3). It is divided into sections and convection generated in the door-side hollow portion (side hollow portion) 332b is divided in the finding direction, so that mainly the inner circumferential surface of the frame (the left vertical frame 13) extends in the inner circumferential direction. The transmission (Q1) of the cold heat toward is suppressed. That is, the interior side hollow portion 332a and the doorside hollow portion (side hollow portion) 332b of the resin frame 332 intersect with the lines (Q1, Q2) indicating the transfer (movement) of cold heat in the respective hollow portions. The partition wall w (in other words, a section divided by the partition wall w) is provided to improve the heat insulating property of each hollow portion.

-2nd Embodiment-
4 and 5 show a second embodiment of the present invention.
The heat insulating sash according to the second embodiment is further provided with a configuration for preventing transmission of cold heat (indicated by “Q3” in the figure) transmitted from the inner peripheral surface of the siding frame to the room in the finding direction. ing.

As shown in FIGS. 4 and 5, depending on the assembling frame 24 of the inner sash 2 of the heat insulating sash, the expected size of the metal frame 241 is set to be larger than the expected size of the glass frontage in order to increase the strength and the like. For this reason, the interior side of the metal frame 241 may protrude more toward the interior side than a panel such as glass.
In such a combination frame 24, the transfer of cold heat (Q3) from the inner peripheral surface of the metal frame 241 toward the room in the inner peripheral direction occurs, but the heat insulation of the second embodiment shown in FIGS. The sash is provided with a configuration for efficiently preventing the transmission of the cold heat. Hereinafter, a specific description will be given with reference to FIG.

The metal frame 241 of the assembling frame 24 of the inner shroud 2 of the heat insulating sash shown in FIG. 5 has a prospective dimension larger than that of the metal frame 241 shown in FIG. An inner peripheral surface 241a protruding from the indoor surface of the panel to the indoor side and facing the indoor space on the indoor side of the panel such as glass exists on the inner periphery thereof.
On the other hand, the resin frame 242 has an indoor hollow portion 242a disposed on the indoor side surface of the metal frame 241 and a glass frontage that forms one side of the glass holding groove continuously on the inner periphery of the indoor hollow portion 242a. It is composed of a hollow portion (side hollow portion) 242b and an outer peripheral wall portion 242c that covers the outer peripheral surface of the metal frame 241. The latch provided on the outer peripheral wall portion 242c and the glass frontage hollow portion (side hollow portion) 242b. The part is locked and fixed to the metal frame 241.

A rib r is formed on the inner peripheral surface of the outer peripheral wall portion 242c, and the rib r contacts the outer peripheral surface of the metal frame 241 to form a hollow portion between the outer peripheral wall portion 242c and the outer peripheral surface of the metal frame 241. Have been.
The indoor-side hollow portion 242a is formed by a hollow portion having substantially the same width as the indoor side surface of the metal frame 241 and mainly transmits cold heat from the indoor side surface of the metal frame 241 toward the room direction (by “Q4” in the figure). Shown)).

  The glass frontage hollow portion (side hollow portion) 242b forms one side of the glass holding groove by forming the width dimension in the prospective direction large while keeping the indoor side surface flush with the indoor side hollow portion 242a, It is arranged on the inner peripheral side of the inner peripheral surface 241a of the metal frame 241. The partition wall w is divided into a plurality of sections in the finding direction (in FIG. 5, the left and right direction), and the convection generated in the hollow portion (side hollow portion) 242b of the glass frontage is divided in the finding direction, so that the main direction is divided. In addition, the transmission (Q3) of cold heat from the inner peripheral surface 241a of the metal frame 241 toward the inner peripheral direction is suppressed.

-Third embodiment-
FIG. 6 shows a third embodiment of the present invention.
In the heat-insulating sashes of the first and second embodiments shown in FIGS. 2 to 5, the partition wall w provided in the hollow portion of the resin frame is provided substantially at right angles to the finding direction. In the heat insulating sash of the embodiment, the first and second points are that the partition wall w in the hollow portion of the resin frame is constituted by the partition wall w which is inclined from the outer peripheral side to the inner peripheral side as going from the indoor side to the outdoor side. Is different from the embodiment.

By providing the partition wall w at an angle, the side hollow portion can be divided in the finding direction and also in the prospective direction, so that cold heat can be transmitted from the inner peripheral surface of the frame or the frame in the inner peripheral direction. At the same time, the transmission of cold heat from the indoor surface of the metal outdoor portion of the frame can be suppressed.
In the embodiment shown in FIG. 6, the partition wall w is provided at an angle of approximately 45 degrees with respect to the finding surface, but the partition wall w is a line (for example, Q1) indicating the transfer (movement) of cold heat in the hollow portion. To Q4), and the inclination angle of the partition wall w can be set to an appropriate angle depending on the state of transmission (movement) of cold heat in the adiabatic sash and other situations.

-Modification-
FIG. 7 shows a modification of the first to third embodiments.
For example, in the indoor-side hollow portion 332a of the first embodiment shown in FIG. 3, a partition is formed in the finding direction (in the same direction as Q2) for reasons such as to maintain the strength of the hollow portion. Was.
In the modification shown in FIG. 7, the partitioning of the indoor hollow portion 332a in the finding direction is not provided, so that the cooling heat is prevented from being transmitted in the expected direction through the partition in the indoor hollow portion 332a. .
Similarly, in the door-side hollow portion (side hollow portion) 332b, no partition is provided to partition the door-side hollow portion (side hollow portion) 332b in the expected direction, so that the door-side hollow portion (side hollow portion) 332b is not provided. In the (hollow portion) 332b, cold heat is prevented from being transmitted in the finding direction via the partition wall.
In addition, also in the second and third embodiments, by not providing a partition wall along the direction of transmission of cold heat in the hollow portion forming the heat insulating structure, the transmission of cold heat is efficiently suppressed, and the heat insulating property is further improved. Can be achieved.

As described above, in the heat-insulating sash according to the embodiment of the present invention, the hollow portion of the resin-made indoor side constituting the composite frame is divided into a plurality of sections corresponding to the cold heat transfer (movement) state in the heat-insulating sash. Because of the division, the heat insulating property of the heat insulating sash can be further improved without increasing the width of the heat insulating sash more than necessary.
In the first to third embodiments and their modifications, the vertical frame has a heat insulating structure with a partition wall. However, the vertical frame is not particularly limited to the vertical frame, and the upper frame or the lower frame is not particularly limited. It is also possible to adopt for.

2: inner shoji 24: assembling frame 241: metal frame 241a: inner peripheral surface 242: resin frame 242a: indoor hollow portion 242b: glass front hollow portion (side hollow portion)
242c: outer peripheral wall r: rib w: partition

Claims (1)

A window frame attached to the opening of the building, and a sliding door having a resin frame having a hollow portion on the indoor side of the metal frame,
The resin frame has a room-side hollow portion arranged on the indoor side of the metal frame, and a side hollow portion which is continuously provided on the inner peripheral side of the room-side hollow portion and faces the metal frame inner circumference expected surface, A heat insulating sash in which the side hollow portion is divided into a plurality of sections in the finding direction by a partition wall intersecting with the direction of transmission of cold heat from the expected surface of the metal frame.

Images