JP2016145503A - Heat insulation sash - Google Patents

Abstract

PROBLEM TO BE SOLVED: To improve heat insulation performance by preventing heat from transferring from a frame body and an inner peripheral surface of a stile to an inner periphery (aspect) direction.SOLUTION: A heat insulation sash comprises a window frame which is installed in a building opening, and a sash which is made by installing a resin stile with a hollow part on an indoor side of a metal stile. The resin stile comprises an indoor side hollow part which is disposed on the indoor side of the metal stile, and a lateral hollow part which is consecutively installed on an outer peripheral side or an inner peripheral side of the indoor side hollow part. The lateral hollow part is partitioned into multiple sections in an aspect direction.SELECTED DRAWING: Figure 3

Description

  The present invention relates to a heat-insulating sash including a shoji formed by arranging a resin cage on the indoor side of a metal cage.

  In recent years, heat-insulating sashes comprising a composite cage composed of a metal cage and a resin cage have become well known, but in particular, in order to increase the thermal insulation, a hollow portion is formed in the resin cage to form a heat insulation layer by air. The heat insulation sash which becomes is known (patent document 1).

Japanese Patent No. 3143636

In Patent Document 1, by forming a hollow portion in the inner side of the plastic jar of the shoji, the transmission of cold heat from the indoor side surface of the metal portion of the heel to the outdoor inward direction is prevented, and the heat insulation is improved. Yes. In such a heat insulating sash, the transmission of cold heat from the cage or the metal part of the frame is not limited to the transmission from the indoor side to the indoor / outdoor direction. Cold heat is transmitted from the inner peripheral surface and the outer peripheral surface toward the inner peripheral direction or the outer peripheral direction.
In particular, the space between the frame and the bowl and the space between the bowl and the glass are easy to transmit outdoor cold heat, and the inner peripheral surface of the frame forming the space and the summon bowl When the inner peripheral surface is formed of a metal part, cold heat is transmitted from the metal part toward the inner peripheral direction. On the other hand, a relatively large hollow portion is only formed in the resin bowl facing the inner peripheral surface of the metal part that forms the space between the frame and the bowl and the space between the bowl and the glass. However, cold heat may be transmitted into the room by convection in the hollow portion.

  In view of the above circumstances, in the heat-insulating sash, the present invention provides a portion of the shoji resin sash that is opposed to the metal part that forms the space between the frame and the heel and the space between the heel and the glass. An object of the present invention is to prevent the transfer of cold heat transmitted in the inner circumference (finding) direction by suppressing the convection in the hollow portion and to enhance the heat insulation performance.

  The present invention includes a window frame attached to an opening of a building and a shoji formed by attaching a resin fence having a hollow portion on the indoor side of the metal fence, and the resin fence is located on the indoor side of the metal fence. It has a hollow part and a side hollow part provided continuously on the outer peripheral side or the inner peripheral side of the indoor side hollow part, and the side hollow part is divided into a plurality of sections in the direction of finding. .

  Since the convection in the hollow part of the resin frame facing the space between the frame and the ridge and the space between the ridge and the glass can be suppressed, the space between the frame and the ridge or between the ridge and the glass. The heat insulation performance can be improved by preventing the transmission of cold heat from the heat.

It is a longitudinal cross-sectional view of the heat insulation sash which concerns on embodiment of this invention. It is a cross-sectional view of the heat insulation sash which concerns on the 1st Embodiment of this invention. It is a cross-sectional view of the door toe part of the outer cover of the heat insulating sash according to the first embodiment of the present invention. It is a cross-sectional view of the heat insulation sash which concerns on the 2nd Embodiment of this invention. It is a cross-sectional view of the summoning part of the cardboard of the heat insulating sash according to the second embodiment of the present invention. It is a cross-sectional view of the heat insulation sash which concerns on the 3rd Embodiment of this invention. It is a cross-sectional view of the door toe part of the shoji for explaining a modified example of the heat insulating sash according to each embodiment of the present invention.

A heat 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 is formed by assembling the upper frame 11, the lower frame 12, and the left and right vertical frames 13 and 14 around the four sides, and is installed in a building opening. The frame, the upper collars 21, 31, the lower collars 22, 32, the door-end fences 23, 33, and the summoning bowls 24, 34 are assembled around the four sides, and the panel body is fitted on the inner circumference. , 3 and is formed as a sliding window by supporting the inner and outer obstacles 2 and 3 movably in the left and right directions along the outer guide rail formed in the frame.

(Frame structure)
The upper frame 11 connects an outdoor metal frame 111 and an indoor metal frame 112 formed of a metal material such as aluminum by a connecting member 113 made of a heat insulating material such as a resin, and is connected to the inner periphery of the lower surface of the indoor metal frame 112. The resin frame 114 is engaged.
An outer guide rail 111a that guides the outer shoji 3 is suspended from the lower surface of the outdoor metal frame 111 that is closer to the outdoor side, and an inner guide rail 112a that guides the inner shroud 2 from the outer end of the indoor metal frame 112. It is drooping.

The resin frame 114 includes an outdoor wall portion 114a covering the indoor surface of the inner guide rail 112a of the indoor metal frame 112, an upper wall portion 114b covering the lower surface of the indoor metal frame 112, and an indoor side end of the upper wall portion 114b. It consists of an indoor wall portion 114c that hangs downward and a forehead portion 114d that extends from the lower end of the indoor wall portion 114c to the indoor side.
Then, in a state where the upper wall portion 114b of the resin frame 114 is engaged with the inner periphery of the indoor metal frame 112, a plurality of fixing means n such as screws penetrating the both are fixed from the inner periphery side of the building. It is fixed to the opening.

Between the outer guide rail 111a and the inner guide rail 112a, an inter-rail upper cover 51 made of resin that covers the lower surface of the outdoor metal frame 111 is disposed.
The inter-rail upper cover 51 is configured as a substantially flat plate-like long member having substantially half the length of the upper frame 11, and at least a windshield plate installed above the summing portion of the upper frame 11. (Not shown) and the left vertical frame 13 are arranged so that cold heat is transmitted into the room from the lower surface of the outdoor metal frame 111 exposed to the room when the inner and outer shoji 2, 3 are closed. Is suppressed.

  A hollow projecting portion 71 is formed of a soft material on the lower surface of the upper cover 51 between the rails, and heat insulation is improved by suppressing air convection between the upper surface of the outer cover 3 and the upper frame 11. .

The lower frame 12 connects the outdoor metal frame 121 and the indoor metal frame 122 formed of a metal material such as aluminum by a connecting member 123 made of a heat insulating material such as a resin, and is connected to the inner periphery of the upper surface of the indoor metal frame 122. The resin frame 124 is engaged.
An outer guide rail 121a for guiding the shoji is provided on the upper surface of the outdoor metal frame 121 on the outdoor side, and an inner guide rail 122a for guiding the shoji from the outdoor end of the indoor metal frame 122 is provided. .
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 lower cover 52 between the rails is configured as a substantially flat plate-like long member having substantially half the length of the lower frame 12, and at least a summing block installed at a position below the summing portion of the lower frame 12. It is arranged between the left vertical frame 13 (not shown) and suppresses the transmission of cold heat from the upper surface of the outdoor metal frame 121 exposed indoors when the inner and outer shoji 2, 3 are closed. doing.

  The resin frame 124 includes a bottom wall portion 124a that covers the upper surface of the indoor metal frame 122, an indoor wall portion 124b that extends upward from the indoor side end of the bottom wall portion 124a, and an indoor side from the upper end of the indoor wall portion 124b. The forehead portion 124c extends.

  The left vertical frame 13 is formed of a metal material such as aluminum, and has a metal frame 131 provided with a pulling piece 131a with which a pulling block f disposed on the door toe 33 of the shoji 3 abuts on the inner peripheral surface. The resin frame 132 is engaged with and fixed to the inner peripheral surface on the indoor side of the metal frame 131.

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

Further, by fitting the eye plate 91 into the opening of the attachment recess 132c, a hollow portion is formed by the attachment recess 132c and the eye plate 91, thereby preventing cold heat from being transmitted from the fixing means n such as a screw to the indoor side. In addition, the deterioration of design properties is suppressed.
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 with a pulling piece 141a with which a pulling block f disposed on the door toe 23 of the inner shoji 2 comes into contact with an inner peripheral surface. The resin frame 142 is engaged with and fixed to the inner peripheral surface on the indoor side of the metal frame 141.

  The resin frame 142 has a mounting portion 142a engaged with the metal frame 141, a right vertical wall portion 142b extending in the inner circumferential direction from the indoor side end of the mounting portion 142a, and a chamber from the inner peripheral side end of the right vertical wall portion 142b. It is composed of a forehead portion 142c extending inward, and in a state where the mounting portion 142a is engaged with the metal frame 141, by fixing a plurality of locations from the inner peripheral side with fixing means n such as screws passing through both, It is firmly fixed to the opening.

(Composition of shoji)
The inner shoji 2 includes an upper arm 21, a lower arm 22, a door toe 23, and a summoning arm 24.
The upper cage 21 is configured as a composite cage comprising a metal cage 211 formed of a metal material such as aluminum and a resin cage 212 disposed on the indoor side of the metal cage 211. The resin cage 212 is an inner guide rail. It constitutes the indoor side portion of the guide groove guided by 112a.
Further, the resin rod 212 includes a plurality of hollow portions, and improves the heat insulating property of the upper rod 21.

  A tight material that is in contact with or close to the inner guide rail 112a is attached to the outdoor upper end and the indoor upper end of the guide groove, and the space between the upper frame 11 and the upper rod 21 is hermetically sealed. The outside air is prevented from directly entering the room through between the upper surface and the lower surface of the upper frame 11.

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

  A tight material that is in contact with the inner guide rail 122a is attached to the lower outside end of the guide groove, and the space between the lower frame 12 and the lower rod 22 is hermetically sealed so that the lower surface of the lower rod 22 and the upper surface of the lower frame 12 are The outside air is prevented from directly entering the room through the space.

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

The summon bowl 2 of the inner shoji 2 is composed of a metal bowl 241 formed of a metal material such as aluminum and a resin bowl 242 disposed on the indoor side of the metal bowl 241. The side and outer peripheral surfaces, that is, the surfaces that are exposed to the room when the shoji is closed, are integrated and configured as a composite bag.
A smoke return c is formed between the outdoor side surface of the metal cage 241 and the indoor side surface of the summon cage 34 of the external shoji 3.

On the other hand, the outer shoji 3 is composed of an upper eave 31, a lower eaves 32, a door-end eaves 33, and a summoning bowl 34, similar to the inner shoji 2, and the entire summoning bowl 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 kite.
About the other structure of the external shoji 3, since it is substantially the same, description is abbreviate | omitted.

-First embodiment-
In conventional heat insulating sashes, the inner surface of the frame and the inner surface of the summoning tub were mainly used to prevent the transmission of cold heat from the metal tub by covering the interior surface of the metal tub with a resin tub. It was not considered enough about the transmission of the cold heat transmitted to the room in the direction of finding it.

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 toward the inner peripheral direction is efficiently performed. A structure for preventing the above is provided.
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.
As shown in FIG. 3, the door toe 33 of the outer sash 3 of the heat insulating sash includes a metal ridge 331 formed of a metal material such as aluminum and a resin ridge 332 formed of a resin or the like in a substantially central position in the prospective direction of the outer pedestal 3. Are connected to each other.

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

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

  The door-end-side hollow portion (side hollow portion) 332b has a larger width dimension in the prospective direction than the indoor-side hollow portion 332a, and the partition wall w has a plurality of widths in the direction of finding (the left-right direction in FIG. 3). By dividing the convection generated in the door-end side hollow part (side hollow part) 332b in the direction of finding it, it is mainly directed from the inner peripheral surface of the frame (left vertical frame 13) to the inner peripheral direction. The transmission (Q1) of the cold toward the is suppressed. In other words, the indoor hollow portion 332a and the door-end hollow portion (side hollow portion) 332b of the resin rod 332 intersect with the lines (Q1, Q2) indicating the transmission (movement) of cold heat in the hollow portions. By providing a partition wall w (in other words, a section divided by the partition wall w), the heat insulating property of each hollow portion is improved.

-Second Embodiment-
4 and 5 show a second embodiment of the present invention.
The heat insulating sash of the second embodiment further includes a configuration for preventing the transmission of cold heat (indicated by “Q3” in the figure) transmitted from the inner peripheral surface of the summon bowl to the room in the direction of finding. ing.

As shown in FIGS. 4 and 5, the expected size of the metal cage 241 is set to be larger than the expected size of the glass front, in order to increase the strength, depending on the summon cage 24 of the inner sash 2 of the heat insulating sash. For this reason, the indoor side of the metal tub 241 may protrude more indoors than the glass panel.
In such a summon bowl 24, cold heat is transmitted (Q3) from the inner circumferential surface of the metal bowl 241 to the room in the inner circumferential direction, but the heat insulation of the second embodiment shown in FIGS. The sash has a configuration for efficiently preventing the transmission of the cold heat. This will be specifically described below with reference to FIG.

The metal cage 241 of the summing cage 24 of the heat insulating sash 2 shown in FIG. 5 has a larger prospective direction dimension than the metal cage 241 shown in FIG. An inner peripheral surface 241a that protrudes toward the indoor side from the indoor surface of the panel and faces the indoor space on the indoor side of the panel of glass or the like exists on the inner periphery thereof.
On the other hand, the resin cage 242 includes an indoor hollow portion 242a disposed on the indoor side surface of the metal rod 241 and a glass front opening that continuously forms one side of the glass holding groove on the inner periphery of the indoor hollow portion 242a. The latch provided by the hollow part (side hollow part) 242b and the outer peripheral wall part 242c covering the outer peripheral surface of the metal rod 241 and provided in the outer peripheral wall part 242c and the glass front opening hollow part (side hollow part) 242b. It is fixed to the metal rod 241 by the portion.

A rib r is formed on the inner peripheral surface of the outer peripheral wall portion 242c, and a hollow portion is formed by the outer peripheral wall portion 242c and the outer peripheral surface of the metal rod 241 when the rib r contacts the outer peripheral surface of the metal rod 241. Has 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 rod 241 and mainly transmits cold heat from the indoor side surface of the metal rod 241 toward the indoor direction ("Q4" in the figure). ).

  The glass front hollow portion (side hollow portion) 242b is configured to form one side of the glass holding groove by forming a width dimension in a prospective direction while keeping the indoor side surface flush with the indoor side hollow portion 242a. It arrange | positions at the inner peripheral side of the inner peripheral surface 241a of the metal bowl 241. FIG. Then, the partition wall w is divided into a plurality of sections in the direction of finding (left and right in FIG. 5), and by dividing the convection generated in the glass front end hollow part (side hollow part) 242b in the direction of finding, Furthermore, the transmission (Q3) of the cold from the inner peripheral surface 241a of the metal rod 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 bowl is provided substantially at right angles to the direction of finding, but is shown in FIG. In the heat insulating sash of the embodiment, the first and second partition walls w in the hollow portion of the resin bowl are configured by the partition walls w that are inclined from the outer peripheral side to the inner peripheral side as going from the indoor side to the outdoor side. This is different from the embodiment.

By providing the partition wall w in an inclined manner, the side hollow portion can be divided in the direction of finding and can also be divided in the prospective direction, so that the transmission of cold heat from the inner peripheral surface of the frame body and the basket toward the inner peripheral direction. At the same time, it is possible to suppress the transmission of cold heat from the indoor surface of the metal outdoor side of the bag.
In the embodiment shown in FIG. 6, the partition wall w is provided at an angle of about 45 degrees with respect to the finding surface. However, the partition wall w is a line (for example, Q1) indicating the transmission (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 according to the state of transmission (movement) of cold heat in the heat insulating sash and other situations.

-Modification-
A modification of the first to third embodiments is shown in FIG.
For example, the indoor side hollow portion 332a of the first embodiment shown in FIG. 3 is formed with a partition wall that divides it in the direction of finding (for example, in the same direction as Q2) for the purpose of maintaining the strength of the hollow portion. It was.
In the modification shown in FIG. 7, by not providing a partition that divides the indoor hollow portion 332a in the direction of finding, cold heat is prevented from being transmitted in the expected direction through the partition in the indoor hollow portion 332a. .
Similarly, in the door-end-side hollow portion (side-side hollow portion) 332b, the door-end-side hollow portion (side-side hollow portion (side-side hollow portion) 332b) is provided by not providing a partition that partitions the door-end-side hollow portion (side-side hollow portion) 332b in the prospective direction. In the hollow portion 332b, cold heat is prevented from being transmitted in the direction of finding through the partition wall.
In addition, also in the second and third embodiments, by not providing a partition wall in the hollow portion forming the heat insulation structure along the direction of cold heat transmission, the cold heat transmission is efficiently suppressed and the heat insulation 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 indoor side part constituting the composite bag is divided into a plurality of sections corresponding to the state of transmission (movement) of cold heat in the heat insulating sash. Since it has divided | segmented, the heat insulation of a heat insulation sash can further be improved, without enlarging the width dimension of a heat insulation sash more than necessary.
In the first to third embodiments and the modifications thereof, a heat insulating structure using a partition wall is adopted for the vertical gutter, but it is not particularly limited to the vertical gutter, and the upper gutter or the lower gutter. It is also possible to adopt for.

11: upper frame 111: outdoor metal frame 111a: outer guide rail 112: indoor side metal frame 112a: inner guide rail 113: connecting member 114: resin frame 114a: outdoor wall 114b: upper wall 114c: indoor wall 114d : Forehead part 12: Lower frame 121: Outdoor metal frame 121a: Outer guide rail 122: Indoor metal frame 122a: Inner guide rail 123: Connecting member 124: Resin frame 124a: Bottom wall part 124b: Indoor wall part 124c: Forehead Part 13: Left vertical frame 131: Metal frame 131a: Pulling piece 132: Resin frame 132a: Main body 132b: Forehead part 132c: Mounting recess 14: Right vertical frame 141: Metal frame 141a: Pulling piece 142: Resin frame 142a : Mounting part 142b: right vertical wall part 142c: forehead part 2: inner shoji 21: upper collar 211: metal collar 212: resin collar 22: lower collar 221 Metal cage 222: Resin cage 23: Door cage 231: Metal cage 232: Resin cage 24: Summon cage 241: Metal cage 241a: Inner peripheral surface 242: Resin cage 242a: Indoor side hollow portion 242b: Glass opening hollow portion ( Side hollow)
242c: Outer peripheral wall part 3: External shoji 31: Upper collar 32: Lower collar 33: Door collar 331: Metal collar 332: Resin collar 332a: Indoor side hollow part 332b: Door side hollow part (side hollow part)
332c: Glass front 34: Summing bowl 51: Rail-to-rail upper cover 52: Rail-to-rail lower cover 71: Projection 91: Eyeplate a: Wheel c: Smoke return f: Attraction block n: Fixing means r: Rib w : Bulkhead

Claims (1)

A window frame attached to the opening of the building, and a shoji made by attaching a resin fence having a hollow portion on the indoor side of the metal fence,
The resin cage has an indoor side hollow portion arranged on the indoor side of the metal cage and a side hollow portion connected to the outer peripheral side or the inner peripheral side of the indoor side hollow portion, and the side hollow portion can be found. A heat insulating sash characterized by being divided into a plurality of sections in the direction.