JP2018071285A - Fixture - Google Patents

Abstract

PROBLEM TO BE SOLVED: To reduce the situation that the influence of solar radiation hits indoor regardless of the appearance shape.SOLUTION: The fixture includes an inner surface material 20 provided in a portion to be on an indoor side of a frame body 10 and an outer surface material 30 provided in a portion to be on an outdoor side of the frame body 10 with a space secured between the inner surface material 20. The frame body 10 has an inner frame portion 110 for supporting the inner surface material 20 and an outer frame portion 120 for supporting the outer surface material 30. The inner frame portion 110 is formed in a rectangular frame shape having left and right inner vertical frame portions 113, an inner upper frame portion 111, and an inner lower frame portion 112. The outer frame portion 120 has outer vertical frame portions 121 formed integrally with the inner vertical frame portions 113, an arcuate outer upper frame portion 123 which is convex upward between upper end portions of the outer vertical frame portion 121, and is configured to have an outer shape different from that of the inner frame portion 110.SELECTED DRAWING: Figure 5

Description

  The present invention includes an inner surface material provided in a portion of the frame body on the indoor side and an outer surface material provided in a portion of the frame body on the outdoor side in a state where a space is secured between the inner surface material. It is about.

  Conventionally, there is a joiner that improves heat insulation by securing a space between an outer surface material and an inner surface material. Further, this type of joinery is also provided with a shielding device disposed in a space secured between an outer surface material and an inner surface material (see, for example, Patent Document 1). The shielding device is, for example, a horizontal blind device in which a plurality of slats are moved up and down. According to the joinery provided with the shielding device, it is possible to prevent a situation where the influence of solar radiation reaches the room.

JP 2009-15999 A

  By the way, in a scene where design is required for the external appearance of a building, a fixture having an external shape other than a rectangle is often applied. For example, a joinery having an arch shape that is curved so that a portion corresponding to the upper frame is convex upward may be applied.

  However, in a fitting with an arch-shaped portion corresponding to the upper frame, it is difficult to dispose a shielding device between the outer surface material and the inner surface material even if it is intended to prevent the influence of solar radiation. Even if the portion corresponding to the upper frame is other than the arch shape, the upper portion is narrower than the lower portion of the frame body, such as a triangular shape or a shape in which both corners are chamfered. If it is, it can occur similarly.

  An object of this invention is to provide the fitting which can reduce the situation where the influence of solar radiation reaches a room | chamber interior regardless of an external appearance shape in view of the said situation.

  In order to achieve the above-mentioned object, the joinery according to the present invention includes an inner surface provided in a portion of the frame body on the indoor side, and an outdoor side of the frame body with a space secured between the inner surface material. The frame includes an inner frame portion that supports the inner surface material, and an outer frame portion that supports the outer surface material, and the inner frame portion. Is formed in a rectangular frame shape having left and right inner vertical frame portions and upper and lower inner horizontal frame portions, and the outer frame portion is formed integrally with the inner frame portion at least partially. It has a frame part and is configured to have an outer shape different from that of the inner frame part.

  According to the present invention, since the inner frame portion is formed in a rectangular frame shape regardless of the shape of the outer frame portion, a shielding device that blocks solar radiation is arranged on the inner horizontal frame portion located above the inner frame portion. If it is provided, it is possible to reduce the situation where the influence of solar radiation reaches the room.

  Further, according to the present invention, in the above-described joinery, the inner horizontal frame portion disposed above the inner frame portion supports the shielding member on the lower surface of the portion positioned between the outer frame portion so as to be movable up and down. A shielding device is provided.

  According to this invention, it is possible to easily switch between a state in which solar radiation is blocked and a state in which solar radiation is not blocked by appropriately raising and lowering the shielding member.

  In the joinery described above, the present invention is characterized in that the inner surface material is supported so as to be openable with respect to the inner frame portion.

  According to the present invention, by opening the inner surface material, it is possible to easily clean the surface of the outer surface material facing the room.

  Further, according to the present invention, in the joinery described above, the inner frame portion is provided with an inner seamless frame portion so as to divide the inner surface material vertically, and the inner surface material is divided by the inner seamless frame portion. The upper part and the lower part are individually openably supported.

  According to the present invention, since the opening unit of the inner surface material is reduced, it is possible to support the two portions divided by the inner frame portion so that the opening and closing directions are different from each other, and ensure the indoor side. The open space of the inner surface material can be reduced.

  Further, according to the present invention, in the joinery described above, an outer frame portion having a ventilation passage for ventilating between the indoor side and the outdoor side is divided above and below the outer surface material in the upper portion of the outer frame portion. The space between the outer surface material and the inner surface material is externally provided between the inner horizontal frame portion disposed below the inner frame portion and the lower portion of the outer frame portion. A vent hole for communication is provided.

  According to this invention, it is possible to ventilate the space secured between the outer surface material and the inner surface material through the ventilation passage provided in the outer frame portion and the lower portion of the outer frame portion, and the influence of solar radiation. It is possible to more reliably prevent the situation where the air reaches the room.

  In the joinery described above, the present invention is characterized in that the outer frame portion is provided at a portion that extends along a horizontal direction of a ceiling panel provided indoors.

  According to this invention, it becomes difficult to visually recognize the outer frame part from the indoor side, and the design from the indoor side can be improved.

  Further, according to the present invention, in the joinery described above, the outer frame portion has left and right outer vertical frame portions formed integrally with the inner frame portion, and is configured to protrude upward. The upper and lower ends of the left and right outer vertical frame portions are connected by a portion.

  According to this invention, it is possible to provide a joinery in which a portion corresponding to the upper frame is convex upward when viewed from the outdoor side.

  In the joinery described above, the present invention is characterized in that a region surrounded by the inner frame portion and the outer frame portion is covered with a cover panel.

  According to this invention, the situation where the outer wall of a building is exposed from the gap between the inner frame portion and the outer frame portion can be prevented.

  According to the present invention, since the inner frame portion is formed in a rectangular frame shape regardless of the shape of the outer frame portion, a shielding device that shields sunlight is disposed on the inner horizontal frame portion located above the inner frame portion. If it is provided, it is possible to reduce the situation where the influence of solar radiation reaches the room.

FIG. 1 is a view of a part of a building to which a fitting according to an embodiment of the present invention is applied as viewed from the outdoor side. 2 is a cross-sectional view taken along line II in FIG. FIG. 3 is a longitudinal sectional view of the building shown in FIG. FIG. 4 is a view of the joinery applied to the building shown in FIG. 1 as viewed from the indoor side. FIGS. 5A and 5B conceptually show a frame body in which the outer surface material and the inner surface material are omitted from the joinery shown in FIG. 1. FIG. 5A is a perspective view in an assembled state, and FIG. 5B is an exploded perspective view. 6 is a cross-sectional view taken along line II-II in FIG. FIG. 7 is a cross-sectional view taken along line III-III in FIG. 8 is a cross-sectional view taken along line IV-IV in FIG. 9 is a cross-sectional view taken along line VV in FIG. FIG. 10 is a cross-sectional view taken along line VI-VI in FIG. FIG. 11 is a perspective view conceptually showing Modification 1 of the joinery according to the present invention. FIG. 12 is a perspective view conceptually showing Modified Example 2 of the joinery according to the present invention. FIG. 13 is a perspective view conceptually showing Modification 3 of the joinery according to the present invention.

Hereinafter, preferred embodiments of a fitting according to the present invention will be described in detail with reference to the accompanying drawings.
1 to 4 show a building to which a joinery that is an embodiment of the present invention is applied. The joinery illustrated here is attached to an opening configured in an outer wall material W of a building, and includes an inner surface material 20 and an outer surface material 30 inside the frame body 10. The frame 10 includes an inner frame portion 110 that supports the inner surface material 20 and an outer frame portion 120 that supports the outer surface material 30. Hereinafter, the structure of the frame 10 which is a characteristic part of the present invention will be described in detail with reference to FIGS. 1 to 10 as appropriate. In the following description, terms such as a prospective direction and a finding direction are used for convenience. The prospective direction is a direction along the depth of the joinery as indicated by an arrow A in the drawing. A surface along the prospective direction may be referred to as a prospective surface. In the case of a member along a horizontal direction such as an inner upper frame portion 111 and an inner lower frame portion 112, which will be described later, the finding direction is a direction along the top and bottom perpendicular to the prospective direction, such as the inner vertical frame portion 113 In the case of a member along the top and bottom, the direction is along the horizontal direction orthogonal to the prospective direction. A plane along the finding direction may be referred to as a finding surface.

  The inner frame portion 110 is a portion arranged on the indoor side of the building in the frame body 10, and includes an inner upper frame portion (inner horizontal frame portion) 111, an inner lower frame portion (inner horizontal frame portion) 112, and left and right inner frames. A vertical frame 113 is provided. The inner upper frame portion 111, the inner lower frame portion 112, and the left and right inner vertical frame portions 113 each extend in a straight line, and constitute a rectangular frame-shaped inner frame portion 110. That is, the inner frame portion 110 is provided with the inner upper frame portion 111 substantially horizontally so as to connect the upper end portions of the left and right inner vertical frame portions 113 extending in the vertical direction. An inner lower frame portion 112 is provided substantially horizontally so as to connect the lower end portions. The finding surface facing the room of the inner upper frame part 111 and the finding surface facing the room of the inner lower frame part 112 are located on the same plane as the finding surface facing the room of the inner vertical frame part 113. The inner upper frame portion 111 and the inner vertical frame portion 113 are configured so that the dimensions along the prospective direction are substantially the same. On the other hand, the inner and lower frame portions 112 are set such that the dimensions along the prospective direction are larger than the dimensions along the prospective direction of the inner upper frame portion 111 and the inner vertical frame portion 113.

  Between the left and right inner vertical frame portions 113, an inner seamless frame portion 114 is provided at a portion having a height of about 2/3 from below. The inner frame portion 114 extends linearly so as to be parallel to the inner upper frame portion 111, and divides the inside of the frame formed by the inner frame portion 110 vertically. The dimension along the prospective direction of the inner seamless frame part 114 is set to approximately ½ of the dimension along the prospective direction of the inner vertical frame part 113. The finding surface facing the room of the inner frame portion 114 is located on the same plane as the finding surface facing the room of the inner vertical frame portion 113.

  In this inner frame portion 110, an upper shoji 210 is disposed at a portion above the inner seamless frame portion 114, and a lower shoji 220 is disposed at a portion below the inner seamless frame portion 114. It is. The upper shoji 210 and the lower shoji 220 are elements that constitute the inner surface material 20 described above. The upper shochus 212 and 222, the lower shochu 213 and 223, and the left and right vertical joists are arranged around the four sides of the shoji panels 211 and 221 that are rectangular. It is formed by disposing ridges 214 and 224. Although not clearly shown in the drawing, the upper shoji 210 of the present embodiment is supported by the inner frame portion 110 so that the lower collar 213 opens to the indoor side with the upper collar 212 side as a fulcrum. On the other hand, the lower shoji 220 is supported by the inner frame portion 110 so that the right vertical rod 224 opens to the indoor side with the left vertical rod 224 side as a fulcrum when viewed from the indoor side. When the saddles 212, 213, and 214 constituting the upper shoji 210 and the saddles 222, 223, and 224 constituting the lower shoji 220 are closed with respect to the inner frame portion 110, all face the room. The finding surface is configured to be on the same plane as the finding surface facing the room of the inner frame portion 110. Note that the inner surface material 20 is not limited to these configurations, and a material that opens the inner frame portion 110 by sliding, such as a sliding window or a raising / lowering window, may be applied. As described above, the inner frame portion 110 may not be opened. In this case, it is not always necessary to be divided vertically by the inner frame portion 114.

  On the other hand, the outer frame portion 120 is a portion arranged on the outdoor side of the building in the frame body 10, and the left and right outer vertical frame portions 121, the outer lower frame portion 122 and the outer upper frame portion (outer horizontal frame portion) 123. It is configured with. The outer vertical frame portion 121 is a common frame portion formed integrally with the inner vertical frame portion 113 of the inner frame portion 110, and is configured to have a length of about 3/4 with respect to the inner vertical frame portion 113. More specifically, the outer vertical frame portion 121 has a rectangular tube shape having a hollow portion 121a, the lower end substantially coincides with the inner vertical frame portion 113, and the upper end is the upper end of the inner vertical frame portion 113. It ends at a lower position. The dimension along the prospective direction of the outer vertical frame portion 121 is set to be approximately ½ of the dimension along the prospective direction of the inner vertical frame portion 113. The inner lower frame portion 112 of the inner frame portion 110 described above is configured to have a prospective dimension substantially equal to the sum of the dimensions along the prospective direction of the inner vertical frame section 113 and the outer vertical frame section 121.

  The outer lower frame portion 122 of the outer frame portion 120 extends linearly and is disposed so as to connect the lower end portions of the left and right outer vertical frame portions 121. As apparent from the figure, the dimension along the prospective direction of the outer lower frame portion 122 is set to be approximately equal to the dimension along the prospective direction of the lower collar 223 constituting the lower shoji 220. The outer lower frame portion 122 secures a gap to be a vent 124 between the upper surface of the inner lower frame portion 112 and a gap between the outer lower frame portion 122 and the finding surface facing the outdoor side of the lower lid 223 constituting the lower shoji 220. It is attached at the position where it is secured.

  The outer upper frame portion 123 connects the upper end portions of the outer vertical frame portion 121, and has an arch shape curved so as to protrude upward. Both end portions of the outer upper frame portion 123 extend in substantially the same direction in the same direction, and have connecting insertion portions 123a at the respective distal end portions. The connection insertion part 123a is a part formed in the dimension which can be fitted in the hollow part 121a of the outer vertical frame part 121 mentioned above. The dimension h1 along the vertical direction of the outer upper frame part 123 is substantially equal to the distance h2 from the upper end of the outer vertical frame part 121 to the upper end of the inner upper frame part 111, and the dimension along the horizontal direction of the outer upper frame part 123. w1 is substantially equal to the mutual interval w2 of the prospective surfaces located on the outer peripheral side of the outer vertical frame portion 121. The dimension d1 along the prospective direction of the outer upper frame part 123 is set to be substantially equal to the dimension d2 along the prospective direction of the outer vertical frame part 121. The outer upper frame portion 123 having the above-described configuration is connected to the outer vertical frame portion 121 in a state where the connection insertion portions 123a provided at the respective distal end portions are fitted into the hollow portions 121a.

  The outer upper frame portion 123 is provided with an outer seamless frame portion 125 and a cover panel 126. The outer frame part 125 extends linearly to the upper part of the outer upper frame part 123 so as to be parallel to the inner upper frame part 111, and the inside of the frame constituted by the outer frame part 120 is vertically moved up and down. It is divided. In the present embodiment, the outer seamless frame portion 125 is arranged at a height position on the extension along the horizontal direction of the ceiling panel R installed in the indoor space of the building. The ceiling panel R is a panel for covering the floor slab F provided on the beam H on the upper floor. In the present embodiment, the ceiling is so arranged that the edge portion located on the outdoor side is gradually inclined upward and the edge located on the outermost side is substantially the same height as the inner upper frame portion 111. Panel R is provided.

  The inner upper frame portion 111, the inner lower frame portion 112, the left and right inner vertical frame portions 113, the inner frame portion 114 provided in the inner frame portion 110, and the outer frame portion 120 are formed. The left and right outer vertical frame portions 121, the outer lower frame portion 122, and the outer seamless frame portion 125 provided on the outer frame portion 120 are extruded shape members formed of a metal such as an aluminum alloy. It is configured to have various cross-sectional shapes. Further, the outer upper frame portion 123 that protrudes upward is configured by further bending the extruded shape member formed of a metal such as an aluminum alloy.

  The cover panel 126 is a thin plate member that closes two regions surrounded by the inner frame portion 110 and the outer upper frame portion 123, and is water-stopped between the inner frame portion 110 and between the outer upper frame portion 123. It is attached to the inner frame portion 110 and the outer upper frame portion 123 with the material 127 interposed.

  In this outer frame portion 120, an upper surface material portion 310 is disposed in a portion above the outer seamless frame portion 125, and a lower surface material portion is disposed in a portion lower than the outer seamless frame portion 125. 320 is arranged. The upper face material portion 310 and the lower face material portion 320 are elements constituting the outer face material 30 described above, and are glass panels having the same plate thickness. In the present embodiment, the peripheral edge portions of the upper face material portion 310 and the lower face material portion 320 are respectively attached to the outer frame portion 120 and the outer seamless frame portion 125 so as to be fitted and killed respectively above and below the outer seamless frame portion 125. It constitutes a window. The surface of the upper face member 310 that faces the outside and the plane of the lower face member 320 that faces the outdoors are located on the same plane.

  As is apparent from the figure, the outer seamless frame portion 125 is provided with a ventilation passage 125a. The ventilation passage 125a is for communicating the space formed between the outer surface material 30 and the inner surface material 20 to the outside in the upper portion, and is configured in a portion extending from the upper surface of the outer seamless frame portion 125 to the front surface. .

  Further, in this joinery, a blind device (shielding device) 50 is disposed on the lower surface of the inner upper frame portion 111 located in the space between the outer surface material 30 and the inner surface material 20. The blind device 50 includes a horizontal blind device 50 that horizontally stacks a plurality of slats (shielding members) 51 having longitudinal dimensions slightly smaller than the interval between the left and right inner vertical frame portions 113 and supports the slats 51 so as to be movable up and down. It is called.

  Here, as described above, the inner upper frame portion 111 of the inner frame portion 110 has a linear shape, and is provided so as to connect the upper end portions of the left and right inner vertical frame portions 113. Therefore, although the outer upper frame portion 123 of the outer frame portion 120 is formed in an arch shape that protrudes upward, the left and right inner vertical frame portions 113 are mutually opposite to the lower surface of the inner upper frame portion 111. It is possible to attach the blind device 50 including the slat 51 having a longitudinal dimension slightly smaller than the interval without any gap. Thereby, when the slat 51 is moved to the uppermost position, the lowermost slat 51 can be accommodated in a state positioned above the outer seamless frame portion 125. On the other hand, when the slat 51 of the blind device 50 is moved to the lowermost position, the lowest slat 51 is located at substantially the same height as the upper surface of the outer lower frame portion 122. Therefore, if the posture of the slat 51 is changed from this state to an upright posture along the top and bottom, it is possible to prevent solar radiation from entering the room through the fitting.

  The temperature of the slat 51 that has received solar radiation gradually increases. However, in this joinery, if the upper shoji 210 and the lower shoji 220 are maintained in a closed state, the situation in which the heat of the slat 51 is transferred into the room can be reduced. In addition, a vent hole 124 is secured between the outer lower frame portion 122 and the inner lower frame portion 112, and a vent passage 125 a is provided in the upper outer frame portion 125. Therefore, in the space between the outer surface material 30 and the inner surface material 20, when the temperature of the slat 51 rises, outside air is introduced from the vent 124 by convection, while the air inside the space is removed from the outer frame portion 125. The air is discharged to the outside from the ventilation passage 125a. Therefore, according to this joinery, the influence which the temperature rise of the slat 51 exerts on the room can be reduced.

  Furthermore, in this joinery, only the outer frame portion 120 is exposed to the outside of the building, and the inner frame portion 110 configured in a rectangular frame shape does not appear outside. Therefore, if the above-mentioned joinery is applied, it is possible to improve the design by the arch-shaped outer upper frame portion 123 that protrudes upward on the exterior of the building.

  In the above-described embodiment, the outer frame portion 120 including the arch-shaped outer upper frame portion 123 curved so as to be convex upward is illustrated, but the present invention is not limited to this. For example, as in Modification 1 shown in FIG. 11, a substantially triangular outer upper frame portion 223 that protrudes upward by connecting two linear outer frame structural members 223 a is configured. Alternatively, as in Modification 2 shown in FIG. 12, a substantially polygonal outer upper frame portion 323 that protrudes upward by connecting a large number of linear outer outer frame structural members 323 a is formed. It may be configured. Further, as in Modification 3 shown in FIG. 13, the upper outer frame structure material 423 a disposed along the inner upper frame portion 111 of the inner frame portion 110 and the both ends of the upper outer frame structure material 423 a respectively. It is also possible to configure a substantially trapezoidal outer upper frame portion 423 that protrudes upward and includes a side outer outer frame structural member 423b that gradually inclines downward. Although not clearly shown in the drawings, in the first to third modifications, the outer upper frame portions 223, 323, 423 and the outer vertical frame portion 121 are connected to each other in the same manner as in the embodiment. What is necessary is just to comprise a connection insertion part in the both ends of frame part 223,323,423, and to make this fit in the hollow part of the outer vertical frame part 121. FIG. In addition, about the structure similar to embodiment in the modification 1-the modification 3, the same code | symbol is attached | subjected and each detailed description is abbreviate | omitted.

  Moreover, in embodiment mentioned above and the modification 1-the modification 3, although only the outer upper frame part 123,223,323,423 has illustrated the outer frame part 120 which becomes a deformed shape, the outer upper frame part 123, In addition to 223, 323, and 423, it is also possible to configure a joinery having an outer frame portion in which the outer lower frame portion 122 and the outer vertical frame portion 121 have irregular shapes. In this case, the outer frame portion is preferably configured such that its outer shape does not exceed the outer frame portion. Further, since the horizontal blind device 50 is applied as the shielding device, it is possible to easily switch between a state where the solar radiation is blocked and a state where the solar radiation is not blocked by raising and lowering the slats 51 appropriately. However, it is not always necessary to apply the horizontal blind device 50 as the shielding device. For example, a vertical blind device in which slats are arranged along the top and bottom, or a screen formed of a material having heat shielding properties may be applied. good.

  Furthermore, in the above-described embodiment, since the inner surface material 20 is configured to be openable with respect to the inner frame portion 110, the surface of the outer surface material 30 facing the room by opening the inner surface material 20. For example, the space between the outer surface material 30 and the inner surface material 20 can be cleaned. However, in the present invention, the inner surface material 20 is not necessarily supported so as to be openable. In the above-described embodiment when the inner surface material 20 is opened, the inner frame portion 110 is provided with the inner frame portion 114, so that the opening unit of the inner surface material 20 is the upper shoji 210 and the lower shoji 220. It is possible to support the upper shoji 210 and the lower shoji 220 separated by the inner frame 114 so that the opening and closing directions are different from each other, and the open space of the inner surface material 20 secured on the indoor side. Can be reduced. However, in the present invention, the inner frame portion 114 is not necessarily provided in the inner frame portion 110.

  Further, in the above-described embodiment and Modifications 1 to 3, the outer seamless frame part 125 in which the ventilation passage 125a is configured is applied, and the ventilation hole 124 is secured in the lower part of the outer frame part 120. Therefore, the outside air can be circulated between the outer surface material 30 and the inner surface material 20, but in the present invention, the outer frame portion 125 having the ventilation passage 125a is not necessarily applied, or the outer frame It is not necessary to secure the vent hole 124 below the portion 120. In the case where the outer seamless frame portion 125 is provided, in the above-described embodiment, the outer seamless frame portion 125 is disposed from the indoor side because the outer seamless frame portion 125 is disposed on a portion that is an extension of the ceiling panel R provided indoors. It becomes difficult to see, and the design from the indoor side can be improved. However, the present invention is not necessarily limited to this.

  Furthermore, in the embodiment and the first to third modifications described above, the region surrounded by the inner frame portion 110 and the outer frame portion 120 is covered with the cover panel 126. Therefore, there is no possibility that the outer wall material W is exposed from the region surrounded by the inner frame portion 110 and the outer frame portion 120, but the cover panel 126 can be omitted.

  DESCRIPTION OF SYMBOLS 10 Frame, 20 Inner surface material, 30 Outer surface material, 50 Blind apparatus, 51 Slat, 110 Inner frame part, 111 Inner upper frame part, 112 Inner lower frame part, 113 Inner vertical frame part, 114 Inner frame part, 120 Outer frame portion, 121 Outer vertical frame portion, 123, 223, 323, 423 Outer upper frame portion, 124 Vent, 125 Outer frame portion, 125a Vent passage, 126 Cover panel, 210 Upper shoji, 220 Lower shoji, R Ceiling panel

Claims (8)

A fitting provided with an inner surface material provided at a portion of the frame body on the indoor side and an outer surface material provided at a portion of the frame body on the outdoor side with a space secured between the inner surface material. And
The frame body has an inner frame portion that supports the inner surface material, and an outer frame portion that supports the outer surface material,
The inner frame portion is configured in a rectangular frame shape having left and right inner vertical frame portions and upper and lower inner horizontal frame portions,
The outer frame part has a common frame part formed integrally with the inner frame part at least partially, and is configured to have an outer shape different from the inner frame part.   The inner horizontal frame portion disposed above the inner frame portion is provided with a shielding device that supports the shielding member so as to be movable up and down on the lower surface of the portion located between the inner frame portion and the outer frame portion. The joinery according to claim 1, wherein the joinery is characterized.   The joinery according to claim 1 or 2, wherein the inner surface material is supported so as to be openable with respect to the inner frame portion. The inner frame portion is provided with an inner frame portion so as to divide the inner surface material vertically.
The joiner according to claim 3, wherein the inner surface material is supported by the upper part and the lower part divided by the inner frame part so as to be individually openable. In the upper part of the outer frame part, an outer frame part having a ventilation passage for venting between the indoor side and the outdoor side is provided so as to divide the outer surface material up and down,
Between the inner horizontal frame portion disposed below the inner frame portion and the lower portion of the outer frame portion, there is provided a vent for communicating the space between the outer surface material and the inner surface material to the outside. The joinery according to any one of claims 1 to 4, wherein the joinery is provided.   The joinery according to claim 5, wherein the outer frame portion is provided at a portion that extends along a horizontal direction of a ceiling panel provided in the room.   The outer frame portion has left and right outer vertical frame portions formed integrally with the inner frame portion, and the outer horizontal frame portion configured to be convex upward is formed of the left and right outer vertical frame portions. The joinery according to any one of claims 1 to 6, wherein upper ends are connected to each other.   The joinery according to any one of claims 1 to 7, wherein a region surrounded by the inner frame portion and the outer frame portion is covered with a cover panel.

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