JP2009114785A - Curtain wall unit and curtain wall - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To provide a curtain wall unit capable of forming an external wall having small width of frame and having satisfactory appearance. <P>SOLUTION: This curtain wall unit has a surface material provided between the indoor part and the outdoor part, the frame having a storage part for storing a peripheral fringe part of the surface material and surrounding the surface material, and a sealing member having an end part stored on an outer peripheral side of the frame and arranged at a position being different from the storage part in the direction of depth. <P>COPYRIGHT: (C)2009,JPO&INPIT

Description

 The present invention relates to a curtain wall unit and a curtain wall having a face material provided between indoors and outdoors.

As a curtain wall unit having a face material provided between indoor and outdoor, for example, a sash frame is formed by joining an upper frame and a lower frame between a pair of vertical frames, and the face material is attached to the sash frame Curtain wall units are known. A plurality of such curtain wall units are adjacent to each other in the vertical and horizontal directions and attached to the casing to form a curtain wall. Between adjacent curtain wall units, a backup material or a sealing material is filled as a primary seal, and an annular gasket is attached as a secondary seal. The sash frame is provided with an accommodating portion for accommodating the peripheral edge portion of the face material on the inner peripheral side, and a concave portion into which the annular gasket is fitted on the outer peripheral side.
Japanese Patent No. 2844331

  The conventional curtain wall unit has a glass housing portion on the inner peripheral side of the sash frame and a concave portion in which an annular gasket is fitted on the outer peripheral side. There is a problem that a sash frame appears widely in the finding direction and the vertical direction, and the appearance of the outer wall (curtain wall) formed by the curtain wall unit may be deteriorated.

  This invention is made | formed in view of this subject, The place made into the objective is to provide the curtain wall unit and curtain wall which can form the outer wall with the narrow width | variety of a frame, and good appearance.

  In order to achieve the above object, the curtain wall unit of the present invention has a face member provided between the indoor and the outdoor, and an accommodating part for accommodating a peripheral part of the face member on the inner peripheral side. A curtain wall unit comprising: a frame body surrounding the frame body; and a seal member having an end portion accommodated on an outer peripheral side of the frame body and disposed at a position different from the housing portion in a prospective direction.

  According to such a curtain wall unit, provided on the inner peripheral side of the frame body surrounding the face material, an accommodating portion for accommodating the peripheral edge portion of the face material, and an end portion of the seal member provided on the outer peripheral side of the frame body Since it is arrange | positioned in a position different in a prospective direction with the site | part accommodated, it is possible to arrange | position the site | part accommodating part for face materials, and the site | part in which the edge part of a sealing member is accommodated in order. For this reason, it is possible to narrow the width of the frame body in the direction of finding, compared to the case where the face material accommodating portion and the portion where the end of the seal member is accommodated are arranged side by side in the direction of finding. Therefore, it is possible to provide a curtain wall unit that can form a good-looking outer wall because there are few frame parts that appear as outer walls when mounted side by side as a curtain wall in a building frame. is there.

In such a curtain wall unit, it is preferable that the seal member is disposed on the outdoor side of the housing portion.
According to such a curtain wall unit, since the sealing member is arranged on the outdoor side from the face material accommodated in the accommodating portion, the surface is compared with the case where the sealing member is arranged on the indoor side from the face material. The frame does not protrude indoors from the wood. For this reason, the indoor space can be used more effectively.

In such a curtain wall unit, it is preferable that the inner peripheral side of the frame body has a flat surface that intersects the face material except for the housing portion.
According to such a curtain wall unit, since the inner peripheral side of the frame body in which the face material is accommodated is only a plane intersecting the face material, the width in the find direction of the frame body is narrow because there is no unevenness in the find direction, It is possible to form a good-looking outer wall with an inconspicuous frame. In addition, when the face material is glass, the inner peripheral side of the frame that can be seen from the indoor side is a flat surface, so that an outer wall with excellent aesthetics can be formed from either the outdoor side or the indoor side.

In such a curtain wall unit, it is preferable that the seal member is a windproof seal member for preventing the ingress of wind into the indoor space and a waterproof seal for preventing water from entering the indoor space.
According to such a curtain wall unit, when the curtain wall unit whose outer peripheral portion is surrounded by the windproof seal member and the waterproof seal is attached to the casing adjacent to each other, the gap between the adjacent curtain wall units is not increased. It is possible to close with a windproof seal member and a waterproof seal.

In such a curtain wall unit, the frame projects outward from the seal member, and guides a gondola that moves on the outdoor side of the face material at a portion on the outdoor side from the seal member. desirable.
According to such a curtain wall unit, it is possible to provide a portion for guiding the gondola as a configuration in which the frame body is not conspicuous as the outer wall.

Further, the curtain wall is formed by using a plurality of curtain wall units and arranging the curtain wall units vertically and horizontally.
According to such a curtain wall, each of the plurality of curtain wall units constituting the curtain wall is a curtain wall unit that does not stand out and has a good appearance, so the outer wall of the entire curtain wall also looks good and has an excellent appearance. It is possible to form an outer wall.

  According to the present invention, it is an object to provide a curtain wall unit and a curtain wall capable of forming an outer wall having a narrow frame and a good appearance.

  Hereinafter, a curtain wall unit and a curtain wall according to an embodiment of the present invention will be described with reference to the drawings.

  As an example of the embodiment, a curtain wall unit 10 is configured in which a frame body, a face material, and the like are unitized in a factory or the like, and are attached to a structural material of a building adjacent to each other in a vertical direction and a horizontal direction. Will be described.

  In the following description, when the curtain wall unit 10 is viewed from the outdoor side, a vertical direction is indicated as a vertical direction, a horizontal direction is indicated as a horizontal direction or a finding direction, and a depth direction that is an indoor / outdoor direction is indicated as a prospective direction.

  As shown in FIGS. 1 and 2, the curtain wall unit 10 of the present embodiment is used as an outer wall material that covers an upper floor and a lower floor of a building, for example, and a slab 4 as a structural material that supports the upper floor. As shown in FIGS. 3 and 5, the lower end portion is engaged with the upper end portion of the curtain wall unit 10 provided below the curtain wall unit 10. Therefore, joint members that engage with each other are provided on the upper and lower portions of the curtain wall unit 10.

  The curtain wall unit 10 has an upper frame 32, a lower frame 34, and a multilayer glass 20 as a face material, and an accommodating portion that accommodates the peripheral edge of the multilayer glass 20 on the inner peripheral side. A frame 30 having a left vertical frame 36 and a right vertical frame 38; an intermediate frame 40 spanned between the left vertical frame 36 and the right vertical frame 38; a blind 44 provided on the intermediate frame 40; An upper joint 26 and a lower joint 27 as joint members, and a fireproof board 28 covering the outdoor side of the space under the floor in which the slab 4 and the beam 6 provided below the flooring 2 are accommodated. .

  Since the multilayer glass 20 is divided into upper and lower parts by an intermediate frame 40 as shown in FIG. 4, the upper multilayer glass 22 is below the intermediate frame 40 and the lower multilayer glass is below the intermediate frame 40 below. 24. The upper multilayer glass 22 and the lower multilayer glass 24 are different in size but have the same structure. The upper multi-layer glass 22 and the lower multi-layer glass 24 are integrally configured in a state in which the two glasses 20a face each other with spacers interposed between their peripheral portions.

  The upper frame 32, the lower frame 34, the left vertical frame 36, the right vertical frame 38, and the intermediate frame 40 constituting the frame body 30 are all extruded members made of aluminum. The upper frame 32, the lower frame 34, the left vertical frame 36, and the right vertical frame 38 are joined in a rectangular shape, and an intermediate frame 40 is bridged between the left vertical frame 36 and the right vertical frame 38. On the inner side of the upper frame 32, the upper portion of the peripheral edge of the upper multilayer glass 22 is fixed by fitting a pressing edge 33 through a sealing material, and on the inner side of the lower frame 34 the peripheral edge of the lower multilayer glass 24. The pressing portion 35 is fitted and fixed to the lower portion of the lower portion via a sealing material. A pressing edge 45 is screwed to the intermediate frame 40 from the outdoor side, and the lower edge portion of the upper multilayer glass 22 is formed on the upper side of the intermediate frame 40 by the pressing edge 45 and also on the lower side of the intermediate frame 40. The upper part of the peripheral edge of the lower multilayer glass 24 is held via a sealing material. Here, the upper frame 32 and the pressing edge 33 are formed, and the portion in which the peripheral edge portion of the multilayer glass 20 is accommodated is formed by the accommodating portion 32a of the upper frame 32, the lower frame 34, and the pressing edge 35, and is multilayered. A portion in which the peripheral portion of the glass 20 is accommodated is formed by the accommodating portion 34a of the lower frame 34, the intermediate frame 40 and the pressing edge 45, and a portion in which the peripheral portion of the multilayer glass 20 is accommodated is the accommodating portion of the intermediate frame 40. An example of 40a is shown.

  An upper board mounting member 46 for mounting the fireproof board 28 on the indoor side with a space from the multilayer glass 20 is fixed to the upper frame 32, and the fixing plate 43 is screwed to the indoor side of the upper board mounting member 46. The insertion portion 46a is formed by being stopped. Further, the waterproof seal housing portion 32b into which the end portion of the waterproof seal 60 is inserted and the end portion of the windproof seal 62 are provided on the upper surface side of the upper frame 32, that is, the outer peripheral side when joined as the frame body 30. The inserted windproof seal accommodating portion 32c and the upper joint accommodating portion 32d for accommodating the lower portion of the upper joint 26 are provided at an interval in the prospective direction.

  The lower frame 34 is provided with a window base fixing portion 34e on the indoor side for fixing a window base 47 for closing the space between the floor material 2 on the indoor side. Further, the waterproof seal housing portion 34b into which the end portion of the waterproof seal 60 is inserted and the end portions of the windproof seal 62 are provided on the lower surface side of the lower frame 34, that is, the side that becomes the outer peripheral portion when joined as the frame body 30. The inserted windproof seal accommodating portion 34c and the lower joint accommodating portion 34d for accommodating the upper portion of the lower joint 27 are provided at an interval in the prospective direction.

  A lower board mounting member 48 for fixing the fireproof board 28 to the indoor side with a space from the double glazing 20 is fixed to the upper end side of the intermediate frame 40 on the indoor side. The fixing plate 43 is screwed to the indoor side to form an insertion portion 48a. The fireproof board 28 has the upper end portion inserted into the insertion portion 46a on the upper frame 32 side and the lower end portion inserted into the stop portion 48a on the intermediate frame 40 side to which the fireproof board 28 is attached.

  Further, a blind mounting member 50 for suspending the blind 44 and a blind 44 accommodated above the ceiling in a state where the blind 44 is pulled up are provided on the lower side of the intermediate frame 40 on the indoor side. A blind box 52 is fixed.

  FIG. 6 shows a horizontal cross section of a joint portion between two curtain wall units adjacent to the left and right, specifically, a BB cross section in FIG. FIG. 7 shows a CC cross section in FIG. The left vertical frame 36 and the right vertical frame 38 have a target shape in which the left and right sides are reversed as illustrated. Therefore, here, the left vertical frame 36 will be described as an example. In the drawing, the part of the right vertical frame 38 corresponding to each part of the left vertical frame 36 is “38” and the part on the left vertical frame 36 side. It is shown with the same subscript.

  The left vertical frame 36 has a hollow edge portion 36a that communicates in the vertical direction on the most indoor side in the prospective direction, and is provided at an interval on the outdoor side wall portion 36b that forms the hollow edge portion 36a. The housing wall 36c and the outer wall 36d that is provided on the most indoor side in the prospective direction and forms a surface parallel to the surface of the multilayer glass 20 are provided. The hollow edge portion 36a and the housing wall portion 36c are connected to the left end side, that is, the outer circumferential side of the curtain wall unit 10 by an outer circumferential portion 36e having a surface along the prospective direction, and the hollow edge portion 36a and the housing wall portion 36c are connected to each other. In the space, an accommodation portion 36f is formed which is opened to the center side in the direction of finding the curtain wall unit 10 and accommodates the left peripheral end portion of the multilayer glass 20.

  The housing wall portion 36c and the outer wall portion 36d are connected to the right end of the hollow edge portion 36a by an inner wall portion 36g having a plane that is linearly located in the prospective direction. A recessed portion 36h opened to the side is formed. The recessed portion 36h is provided with a waterproof seal accommodating portion 36i and a windproof seal accommodating portion 36j spaced apart from each other in a prospective direction between the outdoor side wall portion 36b and the outer side wall portion 36d of the hollow edge portion 36a. Further, a side holding member 49 for holding the fireproof board 28 as shown in FIG. 7 is fixed to the left vertical frame 36 and the right vertical frame 38 in the hollow edge 36a above the intermediate frame 40. Has been.

  As shown in FIGS. 8 and 9, the left vertical frame 36 has an upper frame 32 and an upper frame 32 so that the upper end of the hollow edge 36a is closed by the upper frame 32 and the lower end of the hollow edge 36a is closed by the lower frame 34, respectively. Joined to the lower frame 34. In the state where the left vertical frame 36 and the right vertical frame 38 are joined to the upper frame 32, the lower frame 34, and the like to constitute the curtain wall unit 10, the left vertical frame 36 and the right vertical frame 38 are respectively The housing portions 36f and 38f provided face each other and are connected to the housing portions 32a, 34a, and 40a provided in the upper frame 32, the lower frame 34, and the intermediate frame 40 so that the peripheral portions of the upper and lower multilayer glasses 22 and 24 are connected to each other. Contained over the entire circumference. The inner peripheral side of the frame 30 forms a plane that is substantially orthogonal to the multilayer glass 20 except for the accommodating portions 36f and 38f, as shown in the left vertical frame 36 and the right vertical frame 38 illustrated.

  Further, the waterproof seal accommodating portions 32b, 34b, 36i, 38i and the windproof seal accommodating portions 32c, 34c, 36j, 38j provided on the outer peripheral side of the curtain wall unit 10 are the accommodating portions 32a, 34a, 36f and 38f are arranged at different positions in the prospective direction on the outdoor side and are connected over the entire circumference. The waterproof seal housing portions 32b, 34b, 36i, and 38i have end portions of the waterproof seal 60, The windproof seal accommodating portions 32c, 34c, 36j, and 38j accommodate the end portions of the windproof seal 62 over the entire circumference.

  In the curtain wall 1 in which the plurality of curtain wall units 10 are arranged adjacent to each other, the waterproof seals 60 and the windproof seals 62 of the adjacent curtain wall units 10 are in contact with each other. At this time, since the waterproof seal 60 has two fins on the tip side, the adjacent waterproof seals 60 are in contact with each other, and the windproof seal 62 has a loop shape at the tip. Therefore, the adjacent windproof seals 62 are in contact with each other in a loop shape so as to be crushed in the direction of finding each other. Further, the outer wall portions 36d and 38d of the adjacent curtain wall unit 10 are arranged at intervals in the finding direction, and the vertical frame inner space 64 up to the waterproof seal 60 provided inside protruding from the outdoor side. Communicate. The vertical frame inner space 64 is used as a guide for guiding the wheels 70 of a gondola that moves on the outdoor side of the outer wall surface formed by the curtain wall unit 10, for example, for cleaning.

  According to the curtain wall unit 10 of the present embodiment, the housing portion 36 f that is provided in the left vertical frame 36 and the right vertical frame 38 in the frame body 30 surrounding the multilayer glass 20 and accommodates the peripheral edge portion of the multilayer glass 20. 38f and the waterproof seal accommodating portions 36i, 38i and the windproof seal accommodating portions 36j, 38j provided on the outer peripheral side of the left vertical frame 36 and the right vertical frame 38 are disposed at different positions in the prospective direction. The housing portions 36f and 38f for the layer glass 20, the waterproof seal housing portions 36i and 38i, and the windproof seal housing portions 36j and 38j can be arranged side by side in the prospective direction. For this reason, the width of the frame body 30 in the direction of finding is larger than the case where the housing parts 36f and 38f for the multi-layer glass 20 and the waterproof seal housing parts 36i and 38i and the windproof seal housing parts 36j and 38j are arranged side by side in the direction of finding. It can be narrowed. Therefore, the curtain wall 1 mounted side by side as a curtain wall unit 10 on a building frame or the like has a small area of the frame 30 that appears as an outer wall, so that it can be daylighted in a wider area and has a good appearance. It is possible to provide the curtain wall unit 10 that can constitute an outer wall having an excellent aesthetic appearance.

  Moreover, since the inner wall parts 36g and 38g which become the inner peripheral side of the frame 30 in which the multi-layer glass 20 is accommodated are planes along the prospective direction, there is no unevenness in the direction of finding, and therefore the width of the frame 30 in the direction of finding. It is possible to form a curtain wall 1 that is narrow and has a good appearance without the frame 30 being noticeable. In particular, since the inner wall portions 36g and 38g of the frame 30 that can be seen from the indoor side are flat, it is possible to form the curtain wall 1 having an excellent aesthetic appearance from either the outdoor side or the indoor side.

  Each of the plurality of curtain wall units 10 constituting the curtain wall 1 has a good appearance because the frame 30 is not conspicuous, so that the outer wall of the curtain wall 1 as a whole looks good and forms an excellent outer wall. Is possible.

  In addition, since the waterproof seal 60 and the windproof seal 62 are arranged on the outdoor side from the multilayer glass 20, the waterproof glass 60 and the windproof seal 62 are arranged on the indoor side from the multilayer glass 20. It is possible to reduce the protrusion amount of the frame body 30 protruding to the indoor side. For this reason, the indoor space can be used more effectively.

  In addition, since the vertical frame inner space 64 formed by projecting the frame 30 from the waterproof seal 60 to the outdoor side is used as a guide for the wheels 70 of the gondola that moves along the outer wall, the frame 30 is conspicuous as the outer wall. It is possible to provide a gondola guide while having a difficult structure.

  In addition, since the upper and lower ends of the hollow edges 36a, 38a of the left and right vertical frames 36, 38 are closed and joined by the upper frame 32, the lower frame 34, rainwater or the like enters the hollow edges 36a, 38a. It is possible to prevent.

  In the above embodiment, an example in which only the left and right vertical frames 36 and 38 are arranged with the accommodating portions 36f and 38f, the waterproof seal accommodating portions 36i and 38i, and the windproof seal accommodating portions 36j and 38j arranged in the expected direction has been described. As for the upper frame and the lower frame, the housing portion, the waterproof seal housing portion, and the windproof seal housing portion may be arranged side by side in the prospective direction.

  In the said embodiment, although indoor side glass was made into the glass of multiple layers, it is not restricted to this. Furthermore, although the example which used glass as a face material was demonstrated, not only glass but outer wall material other than glass may be sufficient.

  In the above embodiment, the frame body is projected from the face material to the indoor side, and the waterproof seal and the windproof seal are provided at the projecting portion. There is an effect that it is possible to reduce the region of the frame exposed to the surface and to form an outer wall having an excellent appearance.

  Moreover, the said embodiment is for making an understanding of this invention easy, and is not for limiting and interpreting this invention. The present invention can be changed and improved without departing from the gist thereof, and it is needless to say that the present invention includes equivalents thereof.

It is the external view which looked at the curtain wall which the curtain wall unit which concerns on 1st Embodiment was attached to the building, and was seen from the outdoor side. It is AA sectional drawing in FIG. It is a longitudinal cross-sectional view for demonstrating the structure by the side of the upper frame of the curtain wall unit which concerns on this embodiment. It is a longitudinal cross-sectional view for demonstrating the structure of the intermediate frame part of the curtain wall unit which concerns on this embodiment. It is a longitudinal cross-sectional view for demonstrating the structure by the side of the lower frame of the curtain wall unit which concerns on this embodiment. It is BB sectional drawing in FIG. It is CC sectional drawing in FIG. It is a perspective view for demonstrating the junction part of a vertical frame and a lower frame. It is a perspective view for demonstrating the junction part of a vertical frame and an upper frame.

Explanation of symbols

1 curtain wall, 10 curtain wall unit,
20 multi-layer glass, 30 frame,
32 upper frame, 32a accommodating portion, 32b waterproof seal accommodating portion,
32c Windproof seal accommodating portion, 34 lower frame, 34a accommodating portion,
34b waterproof seal accommodating portion, 34c windproof seal accommodating portion,
36 left vertical frame, 36f housing, 36i waterproof seal housing,
36j Windproof seal housing, 38 Right vertical frame, 38f Housing,
38i waterproof seal housing, 38j windproof seal housing,
60 Waterproof seal, 62 Windproof seal, 64 Vertical frame space

Claims (6)

A face material provided between indoor and outdoor;
A housing that houses a peripheral portion of the face material on the inner peripheral side, and a frame that surrounds the face material;
An end portion is accommodated on the outer peripheral side of the frame body, and a seal member disposed at a position different from the accommodating portion in the prospective direction;
A curtain wall unit characterized by comprising: The curtain wall unit according to claim 1,
The curtain wall unit, wherein the seal member is disposed on an outdoor side from the housing portion. The curtain wall unit according to claim 1 or 2,
The curtain wall unit characterized in that the inner peripheral side of the frame body forms a plane that intersects with the face material except for the housing portion. The curtain wall unit according to any one of claims 1 to 3,
The curtain wall unit is characterized in that the seal member is a windproof seal member for preventing the entry of wind into the indoor space and a waterproof seal for preventing water from entering the indoor space. The curtain wall unit according to any one of claims 1 to 4,
The frame body protrudes to the outdoor side from the seal member,
A curtain wall unit that guides a gondola that moves on the outdoor side of the face material at a portion on the outdoor side of the seal member. A plurality of curtain wall units according to any one of claims 1 to 5 are used,
A curtain wall formed by arranging the curtain wall unit vertically and horizontally.

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