JP2018031207A - Fittings - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide fittings that have a frame body configured to be improved in heat insulation and strength.SOLUTION: Fittings comprise: a frame body 1 consisting of door jambs 4, 5, a head jamb 6, and a sill 7; an opening/closing type sliding door 2 fitted to the frame body 1; and an airtight part consisting of an airtight material 18 closing a gap between the sliding door 2 and the frame body 1 to secure airtightness. At least the jambs 4, 5 and head jamb 6 are made of resin-made materials. The frame parts 4-6 made of the resin-made materials have at least parts, which are on outdoor sides of the airtight part, defined into a plurality of hollow parts 4b-4d, 5b-5d, and 6b, 6c in a depth direction. Heat insulation materials 17a-17c, 17d-17f, and 17g, 17h are arranged in the hollow parts 4b-4d, 5b-5d, and 6b, 6c which are on outdoor sides of the airtight part and adjoin the sliding door 2.SELECTED DRAWING: Figure 2

Description

  The present invention relates to a joinery configured as a door or a window, and more particularly to improvement of heat insulation and strength of a frame body on which an opening / closing type shoji is mounted.

  Joinery is required to have heat insulation to save energy. Particularly in cold regions, it is required to prevent the indoor temperature from being lowered by cold outside air by enhancing the heat insulation of the joinery. For example, there is a fitting described in Patent Document 1 as a fitting for improving such heat insulation. The joinery described in Patent Document 1 is configured as a window, and in order to improve heat insulation, a cypress material is used as the material of the window frame main body, and a recess provided by cutting out the window frame main body, The resin heat insulating material is inserted.

Japanese Patent Laying-Open No. 2015-78574

  However, according to the configuration described in Patent Document 1, the window frame main body is formed in a plate shape that is integrated over the interior and the outside. Therefore, in order to ensure the strength and heat insulation of the window frame, the window frame main body is thick and heavy. It needs to be configured.

  In view of the above problems, an object of the present invention is to provide a joinery having a shoji-mounted frame body having a configuration capable of saving the frame material and the heat insulating material as much as possible while having high heat insulating properties and strength.

The joinery of the present invention is
A frame composed of a vertical frame, an upper frame, and a lower frame;
An open / close type shoji attached to the frame;
In the joinery comprising an airtight part that closes the space between the shoji and the frame with an airtight material to ensure airtightness,
At least the vertical frame and the upper frame are made of a resin material,
The vertical frame and the upper frame made of the resin material are divided into a plurality of hollow portions in a prospective direction at least a portion outside the airtight portion,
A heat insulating material is disposed in a hollow portion on the outdoor side of the hermetic portion and adjacent to the shoji.

Moreover, the joinery of the present invention, in the joinery,
The outdoor side of the frame body is provided with an extending portion extending in the finding direction on the side away from the shoji, and is partitioned into a plurality of hollow portions in the finding direction,
A heat insulating material is disposed in a hollow portion adjacent to the shoji among the hollow portions partitioned on the outdoor side.

Moreover, the joinery of the present invention, in the joinery,
The outdoor side of the frame includes an extension portion extending in the direction of finding on the side away from the shoji,
The surface on the indoor side of the extension is an attachment surface to the housing,
The wall portion that constitutes the mounting surface and the wall portion that partitions the frame body in the prospective direction are formed on substantially the same plane.

Moreover, the joinery of the present invention, in the joinery,
The airtight portion is formed at a portion where the frame and the indoor surface of the shoji are blocked by the airtight material in a state where the shoji is closed.

  In the present invention, at least the vertical frame and the upper frame are made of a resin material, and the frame portion made of the resin material has a plurality of hollow portions in a prospective direction at a portion outside the airtight portion. By being partitioned, a high strength joinery can be realized.

  In addition, since a plurality of hollow portions are provided outside the airtight portion, which is important for ensuring heat insulation, and a heat insulating material is disposed in the hollow portion, the heat insulating material is effective at improving heat insulation. The convection due to the temperature difference between the inside and outside of the hollow portion at the effective position is prevented while suppressing the cost required for the heat insulating material, and high heat insulating properties can be obtained.

  Further, in the present invention, the outdoor side of the frame body is provided with an extending portion extending in the finding direction on the side away from the shoji, and is divided into a plurality of hollow portions in the finding direction, whereby the strength of the frame body is increased. At the same time, by setting the heat insulating material in the hollow portion adjacent to the shoji among the hollow portions partitioned on the outdoor side, the heat insulating property can be improved while suppressing the cost required for the heat insulating material.

  Further, in the present invention, the outdoor side of the frame body has an extending portion extending in the direction of finding on the side away from the shoji, and the surface on the indoor side of the extending portion constitutes a mounting surface mounting surface to the housing The strength of the frame can be increased by forming the portion and the wall that partitions the frame in the prospective direction on substantially the same plane.

It is the figure which looked at the door which is the fitting of one embodiment of this invention from the room inner side. It is an AA expanded sectional view of FIG. It is BB expanded sectional drawing of FIG. It is CC sectional drawing of FIG. It is DD expanded sectional drawing of FIG.

  FIG. 1 is a view of a door, which is an example of a fitting according to an embodiment of the present invention, as viewed from the indoor side. In FIG. 1, reference numeral 1 denotes a door frame attached to an opening of a housing. Reference numeral 2 denotes a door body (a shoji) that is attached to the frame 1 by a hinge 3 so as to be opened and closed. The frame 1 is a combination of a hanging side vertical frame 4, a door end side vertical frame 5, an upper horizontal frame (upper frame) 6, and a lower horizontal frame (lower frame) 7 by a tapping screw (not shown). To make a rectangle.

  2, FIG. 3, FIG. 4, and FIG. 5 are AA, BB, CC, and DD enlarged sectional views of FIG. 1, respectively. As shown in FIGS. 2, 3, and 4, the vertical frames 4 and 5 and the upper frame 6 are each made of an extruded shape made of a resin material such as PVC (polyvinyl chloride resin). The outdoor sides of 4, 5 and the upper frame 6 are covered with metal covers 37, 38, 39 made of aluminum alloy or the like, and fixed by fixing tools 41, 42, 43 such as screws and rivets. The metal covers 37, 38 and 39 are provided to prevent deterioration of the resin frame material due to direct sunlight, deformation due to aging, discoloration, and the like.

  As shown in FIG. 2, the portion on the door body 2 side of the vertical frame 4 on the hanging side is partitioned into a plurality of (four in the illustrated example) hollow portions 4 a to 4 d in the prospective direction (indoor / outdoor direction). . Further, the outdoor portion of the vertical frame 4 has an extending portion 4e extending in the direction of finding on the side away from the door body 2, and the extending portion 4e also has a hollow portion 4f adjacent to the hollow portion 4d. Has been.

  Reference numerals 17a, 17b, and 17c denote heat insulating materials fitted in the hollow portions 4b, 4c, and 4d adjacent to the door body 2 of the vertical frame 4, and are made of a foam material such as EPS (expanded polystyrene resin). 4k is a metal core material such as a U-shaped steel plate, and the core material 4k is fitted in the hollow portion 4d on the outdoor side and fixed to the hollow portion 4d with a fixing tool (not shown), double-sided tape or adhesive. The The heat insulating material 17c in the hollow portion 4d is provided by being fitted and fixed in the metal core material 4k.

  18 is a resin-made or rubber-made airtight material, and this airtight material 18 is interposed between the frame body 1 and the indoor side surface of the door main body 2, and in the state where the door main body 2 is closed, between the two. It closes the gap. 2-5, it forms in the site | part which obstruct | occludes between the room | chamber interior side surface of the door main body 2, and the vertical frames 4, 5, the upper frame 6, and the lower frame 7 with this airtight material 18. In FIG. In the vertical frame 4, the airtight material 18 is attached by fitting a base portion to an airtight material attaching portion 4 g formed to protrude from the surface on the door body 2 side. The heat insulating materials 17 a to 17 c are disposed outside the airtight portion in the vertical frame 4 and are disposed in the hollow portions 4 b to 4 d adjacent to the door body 2, respectively. On the other hand, a heat insulating material is not disposed in the hollow portion 4a on the indoor side of the airtight portion and in the hollow portion 4f that is located on the outdoor side and not adjacent to the door body 2.

  Reference numeral 50 denotes a column that is a part of a housing that forms an opening to which the frame 1 is attached. Reference numeral 4h denotes a wall portion that constitutes a mounting surface on the indoor side of the vertical frame 4 with respect to the pillar 50 in the extended portion 4e on the outdoor side of the vertical frame 4. 4i is a wall part which divides between the hollow parts 4c and 4d. These wall portions 4h and 4i are formed on substantially the same plane.

  As shown in FIG. 3, the door frame 2 is similarly divided into a plurality of (four in the illustrated example) hollow portions 5 a to 5 d in the prospective direction. The outdoor portion of the vertical frame 5 has an extending part 5e extending in the direction of finding on the side away from the door body 2, and the extending part 5e is also partitioned with a hollow part 5f adjacent to the hollow part 5d. ing.

  Reference numerals 17d, 17e, and 17f denote heat insulating materials fitted into the hollow portions 5b, 5c, and 5d on the door body 2 side, and are made of a foam material such as EPS. Reference numeral 5k denotes a metal core material such as a steel plate having a U-shaped cross section. The core material 5k is fitted into the hollow portion 5d on the outdoor side, and the hollow portion 5d is formed by a fixture, double-sided tape, adhesive, or the like (not shown). It is fixed to. The heat insulating material 17f in the hollow portion 5d is provided by being fitted and fixed in the metal core material 5k.

  In FIG. 3, the airtight member 18 is attached by fitting a base portion to an airtight member attaching portion 5 g formed to protrude from the surface of the vertical frame 5 on the door body 2 side. The heat insulating materials 17 d to 17 f are disposed outside the airtight portion in the vertical frame 5 and located in the hollow portions 5 b to 5 d adjacent to the door body 2, respectively. On the other hand, no heat insulating material is disposed in the hollow portion 5a on the indoor side of the airtight portion and in the hollow portion 5f that is located on the outdoor side and not adjacent to the door main body 2.

  Reference numeral 51 denotes a column which is a part of a casing constituting an opening for attaching the door frame 1. Reference numeral 5h denotes a wall portion that constitutes a mounting surface on the indoor side of the vertical frame 5 with respect to the column 51 in the extending portion 5e of the vertical frame 5. Reference numeral 5i denotes a wall portion that divides the hollow portions 5c and 5d. These wall portions 5h and 5i are formed on substantially the same plane.

  As shown in FIG. 4, the upper frame 6 is similarly divided into a plurality of (three in the illustrated example) hollow portions 6 a to 6 c in the indoor / outdoor direction. Further, the outdoor portion of the upper frame 6 has an extending part 6d extending in the direction of finding on the side away from the door body 2, and the extending part 6d is also defined with a hollow part 6e adjacent to the hollow part 6c. ing.

  Reference numerals 17g and 17h denote heat insulating materials fitted into the hollow portions 6b and 6c of the upper frame 6 on the door body 2 side, and are made of a foam material such as EPS.

  In FIG. 4, the airtight member 18 is attached by fitting a base portion to an airtight member attaching portion 6 f formed to protrude from the surface of the upper frame 6 on the door body 2 side. The heat insulating materials 17 g and 17 h are disposed in the hollow portions 6 b and 6 c of the upper frame 6 that are located on the outer side of the airtight portion and adjacent to the door body 2. On the other hand, the heat insulating material is not disposed in the hollow portion 6a on the indoor side of the airtight portion and in the hollow portion 6e that is located on the outdoor side and not adjacent to the door main body 2.

  Reference numeral 52 denotes a horizontal member serving as a part of a casing constituting an opening for attaching the door frame 1. Reference numeral 6g denotes a wall portion that constitutes a mounting surface on the indoor side of the upper frame 6 with respect to the horizontal member 52 in the extending portion 6d on the outdoor side of the upper frame 6. 6h is a wall part which divides between the hollow parts 6b and 6c. These wall portions 6g and 6h are formed on substantially the same plane.

  As shown in FIG. 5, the lower frame 7 of the present embodiment includes an outdoor side frame 7a facing the lower surface of the door body 2 and an indoor side frame 7b made of an extruded shape made of a metal material such as an aluminum alloy. The outdoor frame 7a and the indoor frame 7b are connected by a heat insulating material 7c made of rubber or resin. L1 indicates the level of the ground outside the door. The level L1 of the ground is set to the same level as the upper surface of the lower frame 7 facing the lower surface of the door body 2 or a position slightly lower than the level. L2 indicates the level between the indoor soils where this door is installed. This level L2 is set to substantially the same level as the upper surface of the rubber protective material 24 provided on the upper surface of the indoor side portion of the lower frame 7. The protective material 24 is provided in order to prevent the upper surface of the lower frame 7 from being damaged due to adhesion of sand or the like and dew condensation.

  The outdoor frame 7a of the lower frame 7 is covered with a metal cover 40 made of a stainless steel plate or the like, and fixed to the lower frame 7 with a fixing tool 44 such as a rivet or a screw. The indoor side frame 7b has an upright portion 7b1 facing the indoor side of the door main body 2, and an airtight material 18 is attached to the upright portion 7b1 so as to contact the indoor side surface of the door main body 2.

  In the lower frame 7 of the present embodiment, the outdoor frame member 7a is formed in a substantially rectangular cross-sectional shape. The metal cover 40 includes a lower surface portion 40a that covers an outdoor side portion below the lower surface portion 7a1 of the outdoor side frame 7a, a finding surface portion 40b that covers a finding surface portion 7a2 that is a vertical surface on the outdoor side of the outdoor side frame 7a, It is comprised with the upper surface part 40c which covers the upper surface part 7a3 of the outdoor side frame 7a.

  Here, the metal cover 40 is configured to cover at least the upper surface portion 7a3 of the outdoor frame 7a of the lower frame 7 facing the lower surface of the door body 2 in a state where the door body 2 is closed. Further, in the state where the door body 2 is opened as in the present embodiment, the end 40d on the indoor side of the metal cover 40 is below the airtight member 18 in the door opened state indicated by a two-dot chain line 18x. It is located, thereby setting the width in the indoor / outdoor direction of the metal cover 40 so that the lower frame 7 is hidden by the metal cover 40 and only the metal cover 40 is visible from above, It is preferable for improving the appearance.

  Further, the indoor end portion 40d of the metal cover 40 is positioned on the indoor side with respect to the indoor side end portion of the upper surface portion 7a3 of the outdoor side frame 7a of the lower frame 7, whereby the cover 40 and the outdoor side frame 7a. As a result, it is possible to prevent water from interposing between the metal and the metal, thereby preventing electrolytic corrosion that occurs when water intervenes between metals of different materials, thereby improving durability. Moreover, even if electrolytic corrosion occurs, the discolored portion or the like generated by electrolytic corrosion can be hidden by the cover 40, and the effect of preventing the appearance from being deteriorated can be obtained. Moreover, the indoor side edge part 40d of the metal cover 40 does not reach the indoor frame 7b of the lower frame, but can be prevented from being deteriorated in heat insulation by being positioned on the heat insulating material 7c.

  In the present embodiment, an extruded profile made of a metal material is used as the material of the lower frame 7 in order to make it difficult for deformation or the like to occur when a human load is applied to the lower frame 7. . Further, by using stainless steel having higher hardness than the outdoor frame 7a and the indoor frame 7b made of extruded shapes as the metal cover 40, damage to the lower frame 7 due to adhesion of sand or the like is prevented, and the appearance is deteriorated. Can be prevented. However, a resin extruded shape may be used for the lower frame 7 as well.

  Next, the structure of the door main body 2 and the attachment structure to the frame 1 are demonstrated. The door main body 2 is made of a metal outdoor side surface material 8 and indoor side surface material 9 made of a steel plate, etc., a suspension side end portion (FIG. 2), a door end side end portion (FIG. 3), an upper end of the door body 2 And end members 10, 11, 12, and 13 made of resin respectively provided at the lower portion (FIG. 4) and the lower end (FIG. 5). Among these end members 10 to 13, the end member 10 on the suspension side has a rectangular hollow shape, and the end members 12 and 13 at the upper end portion and the lower end portion have a U-shaped cross section. On the other hand, the door end side end member is constituted by two resin end members 11 and 11 which are arranged in the indoor / outdoor corner portion with an L-shaped cross section for attaching the door end side cover 14. .

  As shown in FIG. 2, the end member 10 on the suspending side of the door main body 2 has an exposed portion 10 a that protrudes outward in the direction of finding the door main body 2 as a part thereof. The outdoor surface material 8 and the indoor surface material 9 do not cover the exposed portion 10a with respect to the end member 10 on the hanging side of the door body 2, and the prospective surface portions 8b and 9b are formed from the end portions of the finding surface portions 8a and 9a. It has a shape formed by bending it into an L shape. The face materials 8 and 9 are fixed to the prospective surface portions 8b and 9b by rivets (not shown), and bonded to the end member 10 by an adhesive.

  As shown in FIGS. 4 and 5, at the upper end portion and the lower end portion of the door body 2, the prospective surface portions 8 b and 9 b of the surface materials 8 and 9 extend to the vicinity of the center portion in the prospective direction of the door body 2, that is, FIG. 2. Are extended longer than the prospective surface portions 8b and 9b on the suspending side, and are fixed to the end members 12 and 13 by a rivet or an adhesive (not shown).

  2, 4, and 5, 17 k, 17 m, and 17 n are heat insulating materials arranged and fixed in the end members 10, 12, and 13, respectively, and provided to improve heat insulating properties at the end of the door body 2. It is what was done. Although the material of these heat insulating materials 17k, 17m, and 17n is not specifically limited, the heat insulating material of the material similar to the heat insulating materials 17a-17h accommodated in the said frame 1 can be used.

  17p is the panel-shaped heat insulating material which comprises the door main body 2 with the end members 10-14 and the surface materials 8 and 9, and this heat insulating material 17p is the outdoor surface material 8, the indoor side surface material 9, the end member 10, 12 and 13 and the attachment member (described later) of the door-end side cover 14 are accommodated in a frame assembled in a box shape, and are fixed by adhesion. For the heat insulating material 17p, for example, a phenol home heat insulating plate (made by Asahi Kasei Construction Materials Co., Ltd., trade name: Neomafoam (Neoma is a registered trademark)) that is the same as or higher than the heat insulating materials 17a to 17n is used.

  On the door end side of the door body 2 shown in FIG. 3, the outdoor side made of metal such as a steel material having a U-shaped cross-section between the two end members 11, 11 arranged on the outdoor side and the indoor side. A combined body of the core material 19 and a resin indoor core material 20 fixed to the indoor side of the core material 19 with a double-sided tape or the like is sandwiched. And the door-end side part of the door main body which consists of these end members 11 and 11, the core materials 19 and 20 and the surface materials 8 and 9 is covered with the door-end side cover 14, and fixing tools, such as a rivet and a screw not shown. The door-end side cover 14 is attached to the door body 2 by fixing the door-end side cover 14 to the core member 19. 22 is a resin or rubber sealing material attached to the outdoor side of the door-end side cover 14, and is brought into contact with the outdoor-side finding surface 38 a of the metal cover 38 of the door-end side vertical frame 5 so as to prevent outside air. It helps to prevent intrusion. The door-end side cover 22 does not constitute the airtight part described in claim 1.

  Next, the attachment structure on the suspending side of the door body 2 will be described with reference to FIG. Reference numeral 25 denotes a core material made of metal such as steel that reinforces the suspension side of the door body 2. The core member 25 has an L-shaped cross section and is disposed in the outdoor corner of the hollow end member 10. Reference numeral 32 denotes a back plate for coupling to a mounting plate 3b of a hinge 3 to be described later. The core member 25 is attached to the end member 10 while the back plate 32 is fixed to the core member 25. This is performed by connecting to the vertical frame 4 side plate portion 10b with a mounting screw (not shown) or the like.

  The reason why the cross-sectional shape of the core member 25 is L-shaped and is fixed in the outdoor corner portion of the end member 10 is to suppress heat transfer by the core member 25. That is, the metal core member 25 is positioned inside the outdoor side of the end member 10, and the narrow end portion 25a of the core member 25 is positioned on the indoor side, whereby the heat transfer area to the indoor side of the core member 25 is increased. The heat transfer by the core material 25 is suppressed by narrowing. Further, by positioning the indoor side end portion 25 a of the core material 25 on the outdoor side of the outdoor side end portion 9 b 1 of the prospective surface portion 9 b of the indoor side surface material 9, the space between the core material 25 and the indoor side surface material 9 is set. Heat transfer is suppressed and heat insulation is improved.

  The hinge 3 has a frame side mounting plate 3a and a door main body side mounting plate 3b. Reference numeral 28 denotes a hinge mounting screw for mounting the frame side mounting plate 3 a to the vertical frame 4. The hinge mounting screw 28 is passed through a through hole provided in the door main body side mounting plate 3a and the door main body side plate portion 4m of the vertical frame 4, and is fixed in the core 4k fixed in the hollow portion 4d. The frame body side mounting plate 3a is fixed to the vertical frame 4 by screwing into the screw holes of the plate 29 and fastening.

  Reference numeral 31 denotes a hinge mounting screw for fixing the door body side mounting plate 3 b to the door body 2. This hinge mounting screw 31 is passed through the door body side mounting plate 3b and through holes provided in the end member 10 and the core member 25, and some of the screws 31 are expected to be the outdoor surface material 8 of the door body 2. The door main body side mounting plate 3b is fixed to the door main body 2 by passing through the surface portion 8b and screwing into the screw hole of the back plate 32 applied to the back side of the core member 25 and fastening.

  Reference numeral 35 denotes a closing material that closes a gap between the vertical frame 4 of the frame body 1 and the door body 2 to assist in preventing outside air from entering. The closing material 35 is made of rubber or resin. In the present embodiment, the contact portion 35a of the closing material 35 which is bent in contact with the door body 2 is constituted by a fin. The closing member 35 is fixed and attached to the door body side plate portion 4m of the vertical frame 4 by a fixing tool such as a rivet 36. In the state where the door is closed, as shown in the figure, the contact portion 35a of the closing member 35 contacts the exposed portion 10a of the prospective surface of the end member 10 to close the gap between the vertical frame 4 and the door body 2. . In this way, by bringing the contact portion 35a of the closing member 35 into contact with the exposed portion 10a of the end member 10, the indoor side surface material 9 of the door body 2 is blocked by the closing member 35. In addition to the improvement of the airtightness by the airtight material 18 for the purpose, the thermal influence due to the outside air of the indoor surface material 9 is reduced, and the heat insulation is improved. Note that the plugging material 35 does not constitute the hermetic portion of the first aspect.

  As described above, in the present embodiment, as shown in FIGS. 2 to 4, resin frame members are used for the vertical frames 4, 5 and the upper frame 6, and the resin frame portion is airtight. Since the portion outside the airtight portion formed of the material 18 is partitioned into a plurality of hollow portions 4b to 4d, 5b to 5d, 6b, and 6c in the prospective direction, it is possible to improve heat insulation and strength. It becomes.

  Further, a plurality of hollow portions 4b to 4d, 5b to 5d, 6b, and 6c are provided outside the airtight portion, which is important for ensuring heat insulation, and the heat insulating materials 17a to 17c and 17d to 17f are provided in the hollow portions. , 17g, 17h, the heat insulating material is disposed at an effective position for improving the heat insulating property, and high heat insulating properties can be obtained while suppressing the cost required for the heat insulating material.

  In other words, with respect to the improvement of the heat insulation, the portion having a low degree of contribution, that is, the hollow portions 4a, 5a, 6a on the indoor side of the airtight portion provided with the airtight material 18, and the extended portions 4e, 5e, Since the heat insulating material is not disposed in the hollow portions 4f, 5f, and 6e of 6d, there is no useless arrangement of the heat insulating material, and effective arrangement can be realized while ensuring heat insulation.

  On the other hand, in the vertical frames 4, 5 and the upper frame 6, the hollow portions 4 a, 5 a, 6 a are provided in the indoor side portion of the airtight portion due to the airtight material 18, so Is secured, and the strength of the vertical frames 4, 5 and the upper frame 6 is secured.

  Further, in the present embodiment, since the extended portions 4e, 5e, 6d extending to the side away from the door main body 2 are provided on the outer sides of the vertical frames 4, 5 and the upper frame 6, they are necessary for the door. The vertical frames 4 and 5 and the upper frame 6 have a wide mounting width in the direction of finding, and the extended portions 4e, 5e and 6d are also provided with the hollow portions 4f, 5f and 6e. , 5 and the strength of the outdoor portion of the upper frame 6 are ensured.

  In the present embodiment, the wall portions 4h, 5h, 6g constituting the outdoor mounting surface and the wall portions 4i, 5i, 6h partitioning the hollow portions are formed on substantially the same plane. The strength of the frame 1 can be further increased.

  In the present embodiment, an example in which the present invention is applied to a door has been described. However, the present invention can also be applied to a window having an opening / closing type shoji. When the window is configured, a structure in which the lower frame 7 has the same hollow portion as the vertical frames 4 and 5 and the upper frame 6 or a structure in which a heat insulating material is disposed in the hollow portion of the lower frame 7 is realized. Is possible.

  Although the present invention has been described above with reference to the embodiments, when the present invention is implemented, various changes and additions can be made to the constituent members and combinations thereof without departing from the spirit of the present invention.

1 Frame 2 Door body (paper shoji)
3 Hinges 4 and 5 Vertical frame 6 Upper frame 7 Lower frames 4a to 4d, 4f, 5a to 5d, 5f, 6a to 6c, 6e Hollow portions 4e, 5e, 6d Extension portions 4h, 5h, 6g Wall part 4i, 5i, 6h Wall part 17a-17h, 17k, 17m, 17n, 17p which divides a hollow part

Claims (4)

A frame composed of a vertical frame, an upper frame, and a lower frame;
An open / close type shoji attached to the frame;
In a joinery comprising an airtight part made of an airtight material that closes between the shoji and the frame to ensure airtightness,
At least the vertical frame and the upper frame are made of a resin material,
The vertical frame and the upper frame made of the resin material are divided into a plurality of hollow portions in a prospective direction at least a portion outside the airtight portion,
A joinery characterized in that a heat insulating material is disposed in a hollow portion on the outdoor side of the airtight portion and adjacent to the shoji. In the joinery of claim 1,
The outdoor side of the frame body is provided with an extending portion extending in the finding direction on the side away from the shoji, and is partitioned into a plurality of hollow portions in the finding direction,
Of the hollow parts partitioned on the outdoor side, a heat insulating material is disposed in a hollow part adjacent to the shoji. In the joinery according to claim 1 or 2,
The outdoor side of the frame includes an extension portion extending in the direction of finding on the side away from the shoji,
The surface on the indoor side of the extension is an attachment surface to the housing,
A joinery characterized in that a wall portion constituting the mounting surface and a wall portion partitioning the frame body in a prospective direction are formed on substantially the same plane. In the joinery according to any one of claims 1 to 3,
The airtight material which comprises the said airtight part is attached to the said frame, and has the structure contact | abutted to the surface of the indoor side of the said shoji.

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