JP2003020748A - Recessed corner part structure of curtain wall - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a recessed corner part structure which can be applied, in common, to each of a plurality of types of construction methods for a curtain wall while using the same members and can be adapted to an angle of a recessed corner within a prescribed angle range, in a curtain wall system made easily adaptable to the construction methods for the curtain wall. SOLUTION: Mullions 13A and 13B are arranged in positions of recessed- corner connecting ends of respective curtain wall surfaces crossing each other, and vertical frames 70 and 71 for the recessed corner are arranged in such a manner as to be located not only on the side of outdoor surfaces of the mullions 13A and 13B but also on a side to a recessed-corner part. Structurally, the vertical frames 70 and 71 can be coupled to a plurality kinds of mullion members; and one vertical frame 70, which is arranged on the side of one of the curtain wall surfaces crossing each other, and the other vertical frame 71, which is arranged on the side of the other curtain wall surface, are engaged with each other in a position to an outdoor side in a state in which the angle of the recessed corner is made adjustable within the prescribed angle range.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a structure of a corner portion of a curtain wall, which is easily adapted to a plurality of types of curtain wall construction methods (structures).

[0002]

2. Description of the Related Art Conventionally, various curtain wall construction methods have been proposed for simplifying the structure and improving the efficiency of construction. Specifically, a so-called unit construction method (hereinafter, also referred to as a full-unit split mullion construction method) in which curtain wall units each having a curtain wall panel incorporated into a frame material composed of a cubic and a horizontal frame are attached in order in advance. A so-called knock-down method is known, in which if the cuboids are attached to the skeletons at the construction site, the eyes are attached between the cuboids to form the opening frame and the curtain wall panel is attached to each opening. .

In recent years, as an intermediate method between the unit method and the knockdown method, a so-called ladder type curtain wall unit consisting of a divided vertical and a horizontal frame is attached in order, and then the curtain wall panel is attached. Ladder unit method split mullion construction method and so-called semi-unit type back mullion construction method in which glass is attached to the frame material consisting of vertical and horizontal frames on these erections if the erection is attached to the skeleton at the construction site. And exist.

However, if the manufacturer has products corresponding to the above-mentioned four curtain wall construction methods, it is necessary to prepare all the shape members, parts, etc. for each construction method, and the production and management are complicated. At the same time, there was a problem that the number of items in inventory management became huge.

Therefore, the applicant of the present invention has previously filed Japanese Patent Application No. 2001-85803.
In the issue, we proposed a curtain wall system that can easily support multiple types of curtain wall construction methods and simplify component inventory management. Such a curtain wall system has a structure in which a vertical portion and a window portion forming a panel surface are structurally separated from each other, and a plurality of alternative vertical members forming the vertical portion and a substitute forming the window portion. Possible plural kinds of window constituent members are prepared in advance, and the plural kinds of upright members and plural kinds of window constituent members can be arbitrarily combined under structural conditions according to the curtain wall construction method. As a result, manufacturers can prepare multiple curtain wall construction methods as products, while using common parts to manage labor-intensive production management and inventory management in an integrated and labor-saving manner. Will be brought.

[0006]

By the way, in the curtain wall structure, in recent years, with the diversification of designs, it has been often practiced to provide an entrance corner on the outer wall surface to accent a monotonous building wall surface. Regarding the structure correspondence to such corners and corners, in the situation where multiple types of curtain wall construction methods have been proposed as described above, basically each construction method will adopt its own structural type. At the same time, as shown in FIGS. 29 (A) and (B), separate shape members are provided for each angle, such as each corner angle, in the illustrated example, a 135 ° corner shape member 80 and a 90 ° corner shape member 81. Prepared or completely separated the left and right and joined them with members or parts that matched the specified angle, so the structural efficiency and construction efficiency were very poor, and the number of members or parts owned There was a problem.

Under the curtain wall system proposed by the present applicant, naturally, there is a strong demand for a structure in which the members can be made common even in the case of different construction methods for such corners and corners. Regarding the corner angle as well, in order to easily correspond to a curtain wall structure having a complicated outer wall surface shape in consideration of design, it is desired that the corner angle can be changed within an arbitrary angle range.

Therefore, a main object of the present invention is to make it possible to commonly apply the curtain wall system in which a plurality of types of curtain wall construction methods can be easily coped with while using the same member, and at the same time, a predetermined method can be applied. An object of the present invention is to provide a structure of a corner portion for entering a corner that can correspond to an angle of entering corner in an angular range.

[0009]

In order to solve the above-mentioned problems, the present invention according to claim 1 is directed to a cuboid portion relatively located on the indoor side, and a window relatively located on the outdoor side and forming a panel surface. With a structure that is structurally separated into a portion, a plurality of alternative standing members that form the standing portion, and a plurality of alternative window portion forming members that form the window portion are prepared in advance, A curtain wall capable of supporting a plurality of types of curtain wall construction methods by allowing the plurality of types of vertical members and a plurality of types of window portion constituent members to be arbitrarily combined under structural conditions according to the curtain wall construction method. It is the entrance corner corner structure in the system, at the entrance corner connection end position of each intersecting curtain wall surface,
A vertical frame for entering corners is arranged on the outdoor surface side of this vertical side and on the side near the corners of the entering corners, and the vertical frame for entering corners is for a plurality of types of vertical members. The entrance vertical one-sided vertical frame arranged on one side of the intersecting curtain wall surface and the other vertical corner-side vertical frame on the other side of the intersecting curtain wall surface Provided is a corner wall corner structure of a curtain wall, which is engaged in a state in which the corner angle can be adjusted in a predetermined angle range at an outer side position.

According to the first aspect of the present invention, the one corner vertical frame for entering corners and the other vertical frame for entering corners that are connectable to a plurality of types of upright members are provided at the corner entering corners. The curtain wall by arranging the one corner vertical frame for entrance and the other vertical frame for corner entrance in a state in which the corner angle can be adjusted within a predetermined angle range at a position closer to the outdoor side. The surfaces are joined together. Therefore, even if the construction methods are different, it is possible to commonly use the one vertical side frame for the entering corner and the other vertical side frame for the entering corner, and it is possible to cope with the entering corner angle within a predetermined angle range. Become.

According to a second aspect of the present invention, in the engaging portion structure of the one vertical frame for the entering corner and the other vertical frame for the entering corner, the substantially open angle center point of the entering corner angle adjustment is a concentric circle. The arcuate surface of the member extending from the one vertical frame for the entering corner and the arcuate surface of the member extending from the other vertical frame for the entering corner are connected while slidingly contacting each other, and the indoor side thereof A member that extends from one of the inside corner one side vertical frame and the inside corner other side vertical frame at a position, and from the other of the inside corner one side vertical frame and the inside corner other side vertical frame The structure of the entering corner portion of the curtain wall according to claim 1, wherein the extending member is in sliding contact.

In the present invention according to claim 2, the engaging portion structure of the one vertical frame for the entering corner and the other vertical frame for the entering corner is slidably contacted with each other at the outdoor side position. A double sliding contact surface is formed by the sliding contact surface formed by the above and the sliding contact portion formed on the indoor side. Therefore, in the sliding contact surface on the outdoor side, in combination with the invention of claim 3 described later, it is possible to reliably form a water shutoff line, and at the same time, the sliding contact portion on the indoor side can be used for one of the entrance corners. The side vertical frame and the other vertical side frame for the entering corner can be reliably guided and positioned at a predetermined opening angle.

According to a third aspect of the present invention, the arc-shaped surface of a member extending from the one vertical frame for the entering corner and the other side for the entering corner are provided at a substantially central portion of the opening angle for adjusting the entering corner. A pocket-shaped concave space that is open to the outside of the room along the vertical direction is formed at the joint between the member extending from the vertical frame and the arc-shaped surface, and a backup material and an irregular seal are formed in the pocket-shaped concave space. A structure for entering a corner portion of a curtain wall according to claim 2, wherein the waterproof treatment is performed by using a material.

According to the third aspect of the present invention, it is possible to surely stop the water at the outdoor side position of the entry corner portion.

[0015]

BEST MODE FOR CARRYING OUT THE INVENTION Hereinafter, embodiments of the present invention will be described in detail with reference to the drawings.

<< Curtain Wall System >> The curtain wall structure according to the present invention is as shown in FIG.
Knockdown method KD, ladder unit split mullion method LU, semi unit back mullion method BM and full unit split mullion method SM It is a curtain wall structure that can easily support a plurality of types of curtain wall construction methods with minimal changes to the components, and that simplifies inventory management of component parts.

Specifically, the curtain wall structure is a structure that is structurally separated into a cubic portion that is relatively located on the indoor side and a window portion that is relatively located on the outdoor side and forms a panel surface. As shown in the figure, regarding the vertical portion, the knockdown method KD and the semi-unit type back mullion method BM are commonly used, and the ladder unit type split mullion method LU and the full unit type split mullion method SM are used. On the other hand, with respect to the vertical frame in the window section, the vertical frame of the ladder unit type split mullion method LU, the semi-unit type back mullion method BM and the full unit type split mullion method SM is made common in the window part, and
Regarding horizontal frame, semi-unit type back mullion method BM
Further, the horizontal frame of the full unit type split mullion method SM is used in common. The plurality of types of upright members and the plurality of types of window portion constituting members can be arbitrarily combined under structural conditions according to the curtain wall construction method.

In order to understand the system configuration, concretely, the construction method is changed in the order of the semi-unit type back mullion method BM, the full unit type split mullion method SM, the ladder unit type split mullion method LU, and the knockdown method KD. These curtain wall structures will be described in detail with some procedures.

[Semi-unit type back mullion method]
The curtain wall structure related to the semi-unit type back mullion construction method BM is set up by the vertical support metal fittings fixed to the end of the building frame (floor), and is set up in the vertical direction at intervals with a horizontal direction. After hanging over,
2 ... As a supporting member, the vertical frame 3A, 3B and the upper and lower horizontal frames 4A, 4B, and in the illustrated example, the intermediate horizontal frame 5 is included to form a frame-shaped member, and the frame-shaped member is vertically arranged on the outdoor surface side. Attach the ridges 6A, 6B and the side ridges 7A, 7B to the glass G,
This is a curtain wall having a structure in which panel units U _{BM in} which G (multi-layer glass) is fitted are sequentially attached.

As shown in FIG. 2, the upright 2 is a die member having a substantially rectangular cross section with a partition wall in the inner space and two hollow chambers. Along the vertical frames 3A and 3B, projecting pieces 2a and 2b are formed.

The upright 2 is supported by upright support fittings fixed to the floor end of the building frame. Specifically, as shown in FIG. 19 and FIG. 20, the anchor metal fitting 50 is embedded and fixed to the end portion of the skeleton F, the head is fitted and supported by the anchor metal fitting 50, and the screw portion is externally attached. Fixing bolt 51 and nut 5 that are provided so as to project to
Fastener 52 is fixed by 1A, while the vertical 2
The mounting bracket 53 is fixed to the upper side of the bracket with bolts 64, 64, and the fixing bolt 56 is secured with the liner bracket 55 interposed between the mounting bracket 53 and the fastener 52.
And the nut 56A. A bolt holding cylinder 53a is integrally provided on the upper part of the attachment fitting 53, and an upper end of the vertical adjustment bolt 57 inserted into the bolt holding cylinder 53a extends from the liner fitting 55. By contacting the horizontal surface of the flange piece 55a, the vertical installation of the cuboid 2 is adjusted during installation. A female screw may be provided on the inner surface of the bolt holding cylinder 53a and the vertical adjustment bolt 57 may be screwed therein.

At the connecting portion of the uprights 2 and 2, a pair of left and right insertion members inserted across the uprights 2 and 2 arranged in series in the vertical direction, that is, a relatively lower step. The lower half part is inserted into the upper hollow part of the side upright 2, and the upper half part is inserted into the lower hollow part of the upper side upright 2 by a pair of left and right vertical joining insertion members 48, 48. The continuity of the vertical lines 2 and 2 is ensured.

When the fixation of the cube 2 is completed, the panel unit U _BM is attached. Of the vertical frames 3A and 3B constituting the panel unit _UBM , one vertical frame 3A is, as shown in FIG. 2, a glass support portion on the inner side of the outdoor side surface of the vertical frame body having a substantially rectangular cross section. 20 and a ridge mounting piece 21 extending to the outside on the outer side, and a wind barrier mounting piece 2 on the outer prospective surface.
2a and a rain barrier attachment piece 22b are formed. Similarly, the other vertical frame 3B is provided with a glass support portion 20 on the inner side of the outdoor side surface of the vertical frame body having a substantially rectangular cross section and a ridge attachment piece 21 extending outward on the outer side. However, on the outer prospective surface, there are a projection piece 24a with which the wind barrier 23 locked by the wind barrier mounting piece 22a abuts, and a projection piece 24b with which a rain barrier 25 locked by the rain barrier mounting piece 22b abuts. Are formed. Vertical ridges 6A and 6B are attached to the ridge mounting pieces 21 and 21, respectively, and the glass G and G
The glasses G, G are supported in the fitting groove by the backup material / sealing material 34, 34 which is respectively installed on the indoor side and the outdoor side with the glass sandwiched therebetween. The vertical frame 3
A and 3B are combined in a left-right pair relationship with the panel units U _BM arranged adjacent to each other.

On the inner side surfaces of the vertical frames 3A and 3B, a full unit type split mullion method S, which will be described later, is provided.
In the M and ladder unit type split mullion construction method LU, in order to connect with the rear side dividing upright 13, the L-shaped locking pieces 26a, 26b and the plate-like protruding pieces 27a, 2
7b is provided.

On the other hand, upper and lower lateral frame 4A, among 4B constituting the panel unit U _BM, as one of the top horizontal frame 4A is shown in FIG. 4, the outdoor side of the horizontal frame body of a substantially square shape The ridge mounting extension piece 28 is formed so as to extend toward the lower side to form a glass fitting groove, and a bolt head fitting lip groove is formed on the back side along the member longitudinal direction. Two
9 is formed. A lateral ridge 7A is attached to the ridge mounting extension piece 28, and a glass rear surface supporting gasket 30 attached to the horizontal frame main body and a glass G, G by the backup material / sealing material 31 are the glass fitting grooves. Is supported within.

Further, the other lower horizontal frame 4B extends to the outside of the horizontal frame main body having a substantially rectangular cross section, and also has a ridge mounting extension piece so as to form a glass fitting groove toward the upper side. Three
2 is formed, and a bolt head fitting lip groove 33 is formed on the back side along the longitudinal direction of the member. The lateral ridge 7B is attached to the ridge attachment extending piece 32, and the glass G, by the backup material / sealing material 34, 34 installed on the indoor side and the outdoor side, respectively, with the glass G, G interposed therebetween. G is supported in the glass fitting groove. The upper horizontal frame 4A and the lower horizontal frame 4B are combined in a vertical pair relationship with the panel units U _BM arranged adjacent to each other.

On the other hand, the intermediate horizontal frame 5 is, as shown in FIG. 3, arranged on the outdoor side surface of the horizontal frame main body having a single hollow section in the upper and lower arrangements, respectively, for the upper glass ridge mounting piece 35 and the lower glass. A ridge mounting piece 36 is provided, and an upper glass fitting groove is formed by the horizontal ridge 8A mounted on the upper glass rim mounting piece 35, and a horizontal rim mounted on the lower glass rim mounting piece 36. The lower glass fitting groove is formed by the ridge 8B. Glass G, G,
Backup material / sealing material 34 / glass back surface supporting gasket 3 applied to the inside and outside of the room, respectively
It is supported in the glass fitting groove by 0. Further, a bolt head fitting lip groove 37 is provided on the indoor side surface along the member longitudinal direction.

The panel unit U _BM having the above-mentioned structure is a cubic unit 2.
It is attached using the mounting bracket 9. The mounting bracket 9 is a piece-shaped member having an L-shaped cross section, and includes a vertical side flange 9A and a horizontal frame side flange 9A.
A vertical bolt insertion hole 9a and a horizontal frame bolt insertion hole 9b are formed in each of B, and the vertical bolt insertion hole 9a is formed.
And the mounting brackets 9 and 9 are fixed to both sides of the upright 2 by the upright bolts 10 inserted through the upright 2. When installing the panel unit U _BM ,
When the panel unit _UBM is suspended and transported to a mounting position by a crane facility or the like (not shown), a bolt head fitting lip groove formed on the rear side of the upper / lower horizontal frames 4A, 4B and the intermediate horizontal frame 5 The head portion 11a of the horizontal frame fixing bolt 11 is fitted to the screws 29, 33, 37, and the screw portion 11b protruding to the rear side is attached to the mounting bracket 9 described above.
It is inserted through the horizontal frame bolt insertion hole 9b and fastened with the nut 12.

When the panel units U _BM are arranged adjacent to each other, as shown in FIG. 2, between the horizontally adjacent panel units U _BM , the rain barrier 25 and the wind barrier are provided between the adjacent vertical frames 3A and 3B. The airtightness is secured by 23, and the airtightness is secured by the seal packing 42 between the adjacent panel units _{UBM in} the vertical direction as shown in FIG. ing. On the other hand, at the joint intersection, a rain barrier 38 integrally provided with an airtight barrier 39 is arranged on the upper surface side of the upper horizontal frame 4A between adjacent upper and lower horizontal frames 4A and 4B. By contacting the lower surface of the lower horizontal frame 4B with the tongue piece and by providing the wind barrier 40 integrally provided with the airtight barrier 41 at the indoor side position of the lower horizontal frame 4B, rainwater and the like enter from the joint intersection. Is surely prevented. The rain barrier 38 and the wind barrier 40 are the upper horizontal frames 4A and 4A of the panel unit U _BM that are horizontally adjacent to each other.
It is arranged over a predetermined interval over a predetermined length.

[Full Unit System Split Mullion Method] The curtain wall structure according to the full unit system split mullion method SM has a vertical structure in which the vertical structure is divided into left and right, and vertical frames 3A, 3B, and The lower horizontal frames 4A, 4B and the intermediate horizontal frame 5 constitute a frame-shaped member, and a vertical ridge 6 is provided on the outdoor surface side of the frame-shaped member.
A, 6B and side ridges 7A, 7B are installed,
This is a curtain wall having a structure in which glass units G, G (multi-layered glass) are inserted into a panel support unit U _SM, which is attached in order to a vertical support fitting fixed to an end of a building frame (floor).

To change the curtain wall structure according to the semi-unit type back mullion construction method BM to the curtain wall structure according to the full unit type split mullion construction method SM, as shown in FIG. It can be handled only by itself. Specifically, as shown in the figure, instead of the cubic 2 having a single-section structure, a pair of left and right divided cubics 13A and 13B is formed, and the cubic 13 which is combined in a left-right relationship to form an integral body is formed. used.
Here, the external shape of the cube 2, that is, the vertical dimension A × the horizontal dimension B, is the same as the external shape (A × B) of the divided cube 13.

The one-sided divided cuboid 13A has a substantially rectangular hollow cross section, and a concave portion 13a is provided at a position closer to the indoor side on the opposing surface.
And a plate-shaped projecting piece 13b and an L-shaped projecting piece 13c are respectively formed on the outdoor side surface along the member longitudinal direction. Similarly, the other split vertical 13B also has a substantially rectangular hollow cross section, a protrusion 13d is formed at a position closer to the indoor side of the opposing surface, and a plate-like shape is formed on the outdoor side surface along the member longitudinal direction. A protrusion 13f and an L-shaped protrusion 13e are formed respectively.

In order to integrally assemble the divided upright 13A to the indoor side surface of the vertical frame 3A, the L-shaped projection 13c formed on the outdoor side surface of the divided upright 13A is formed on the indoor side surface of the vertical frame 3A. The plate-shaped projection piece 13b is formed on the indoor side surface of the vertical frame 3A while the plate-shaped projection piece 13b is formed on the outdoor side surface of the split vertical 13A while being locked to the L-shaped locking piece 26a.
Connecting rivets 43 and 4 which are overlapped with a and penetrate both
3 ... Connect with each other. A cover member 44 is attached to the connecting portion along the vertical direction.

Similarly, in the case where one of the divided uprights 13B is integrally assembled to the indoor side surface of the vertical frame 3B, the divided uprights 1 are also provided.
The L-shaped protrusion 13e formed on the outdoor side surface of 3B is attached to the vertical frame 3
A plate formed on the indoor side surface of the vertical frame 3B is a plate-shaped projection piece 13f that is locked to the L-shaped locking piece 26b formed on the indoor side surface of B, and that is formed on the indoor side surface of the vertical frame 3B. The projecting pieces 27b are overlapped with each other, and connection is achieved by connecting rivets 43, 43. The cover member 44 is also attached to this connecting portion along the vertical direction.

Structural parts other than those described above, specifically, the vertical frame 3
A, 3B, upper / lower horizontal frames 4A, 4B, intermediate horizontal frame 5, vertical ridges 6A, 6B, horizontal ridges 7A, 7B, etc. are exactly the same as in the case of the semi-unit type back mullion method BM. The same reference numerals are given and the description is omitted.

The panel unit U _SM constructed so as to include the divided verticals 13A and 13B is sequentially attached to the vertical support fittings fixed to the body (floor). As shown in FIGS. 21 and 22, the upright support bracket is
An anchor metal fitting 50 is embedded and fixed to an end portion of the frame F, a head is fitted and supported by the anchor metal fitting 50, and a fixing bolt 5 provided with a screw portion protruding to the outside is provided.
1 and a fastener 52 is fixed by a nut 51A, and a mounting bracket 53 is provided on the upper side of the split vertical 13 with bolts / nuts 54, 54 and a backing material 58.
If the panel unit U _SM is suspended and transported to a mounting position by a crane facility or the like (not shown), the liner metal fitting 55 is fixed between the mounting metal fitting 53 and the fastener 52. The bolts 56 and the nuts 56 </ b> A are used for fastening and fixing. In addition, a bolt holding cylinder 53 is provided on the upper portion of the mounting bracket 53.
a is integrally provided, and this bolt holding cylinder 53a
The tip of the vertical adjustment bolt 57 inserted into the upper end contacts the horizontal surface of the upper flange piece 55a extending from the liner fitting 55 so that the vertical installation of the split vertical 13 can be adjusted during installation. ing. In addition,
A female screw may be provided on the inner surface of the bolt holding cylinder 53a and the vertical adjustment bolt 57 may be screwed therein.

The connecting portion of the dividing cubes 13 and 13 (FIG. 8)
Then, the lower half part is inserted into the upper end hollow part of the relative lower divisional partitions 13A and 13B, and the upper half part is located at the upper divisional partition 1
The continuity of the divided uprights 13 is ensured by a pair of right and left pairs of upright joining members for upright joining 48, which are inserted into hollow portions at the lower ends of 3A and 13B.

[Ladder unit type split mullion method] Ladder unit type split mullion method LU
The curtain wall structure according to the present invention is a panel unit having a ladder-shaped face material composed of vertical frames 3A and 3B integrally provided with the divided vertical structure and an intermediate horizontal frame 5 of two upper and lower stages. After being attached to the vertical support metal fittings fixed to the ends of the building frame (floor) in order as U _LU , the vertical ridges 6A and 6B and the horizontal ridges 8A and 8B are attached to the outdoor side of the frame-shaped member, and the glass G , G (multi-layered glass) are fitted in the curtain wall.

In order to change the curtain wall structure according to the full unit system split mullion construction method SM to the curtain wall structure of the ladder unit system split mullion construction method LU, as shown in FIG. 9, upper and lower horizontal frames 4A, 4B is only changed to the horizontal frame used as the intermediate horizontal frame 5 in the horizontal frame having a single-section structure, specifically, in the curtain wall structure according to the semi-unit type back mullion method BM and the full-unit type split mullion method SM. Is enough. Since the other structural parts, specifically, the division vertical 13, the vertical frames 3A, 3B, the vertical ridges 6A, 6B, the horizontal ridges 8A, 8B, etc., are the same as in the case of the full unit type split mullion construction method SM. , The same reference numerals are given and the description thereof is omitted.

If the panel unit U _LU constructed by including the divided cuboids 13A and 13B is sequentially attached to the cuboid support fittings fixed to the skeleton (floor), the vertical frame 3
The vertical ridges 6A, 6B and the horizontal ridges 8A, 8B are attached to the A, 3B and the intermediate horizontal frames 5, 5, and the vertical frames 3A, 3
A backup material / sealing material 34, in which the glass G and G are fitted in the frame surrounded by B and the intermediate horizontal frames 5 and 5, and the glass G and G are sandwiched between the indoor side and the outdoor side, respectively. The glass back surface supporting gasket 30 is used for supporting.

Incidentally, the connection structure of the above-mentioned division cubes 13, 13 is the full unit type split mullion method SM.
Is exactly the same as.

[Knockdown method] Knockdown method K
In the curtain wall structure according to D, after the vertical supports 2, 3 are fixed along the vertical direction at predetermined intervals in the horizontal direction by the vertical support fittings fixed to the ends of the building frame (floor). The vertical frame 14 is attached to the outdoor side surface of each of the uprights 2 and 2, and a horizontal frame (no eye) is bridged at a predetermined interval in the vertical direction to form a window opening frame. This is a curtain wall having a structure in which lateral ridges 7A 'and 7B' are attached and glass G, G (multi-layer glass) is fitted.

In order to change the curtain wall structure according to the ladder unit type split mullion construction method to the curtain wall structure according to the knockdown construction method, the dividing uprights 13, the vertical frames 3A, 3B and the intermediate horizontal frames 5, 5 are changed. To do.

Specifically, as shown in FIG. 13, a cubic 2 having a single-section structure is used in place of the divided cubic 13, and as shown in FIG. 14, the vertical frame 3A,
Instead of 3B and the vertical ridges 6A and 6B, a vertical frame 14 having glass fitting grooves formed on both left and right sides is used.
Further, as shown in FIG. 15, intermediate horizontal frames 18 and 19 are used instead of the intermediate horizontal frames 5 and 5.

More specifically, as the upright 2, the upright 2 used in the semi-unit type back mullion construction method BM is used as it is. Also, the vertical frame 1
Reference numeral 4 denotes an intermediate connecting member 15 having a T-shaped cross section, which is attached to the outdoor side surface of the vertical 2.
The vertical frame main body 16 having an inverted T-shaped cross section connected by 5, 45, ..., And the glass support portion 1a attached to both sides of the intermediate connection member 15 and the vertical frame main body 16 for supporting the glass back side. , 17b having side frame 17
It is composed of A and 17B and is a member exclusively used for the knockdown method KD.

On the other hand, in terms of the function of the intermediate horizontal frame 5, that is, the glass fitting grooves having openings facing the upper side and the lower side, respectively, are formed, this knockdown method KD is used.
Although it can be used as it is, in order to reduce the cross-sectional shape and to match the found appearance of the vertical frame body 16, the dedicated intermediate horizontal frames 18 and 19 are used. . Although the intermediate horizontal frames 18 and 19 have substantially similar cross-sections, the intermediate horizontal frame 19 used for the waist has a standing wall for forming a waist wall fitting groove at a position from the indoor side of the upper surface. It has a cross-sectional shape having 19c.

Both the intermediate horizontal frames 18 and 19 have ridge mounting pieces 18a and 19a having a substantially L-shaped cross section on the outdoor side surface of the horizontal frame body having a substantially rectangular cross section.
The lateral ridges 7A 'are attached to the upper surfaces of the a and 19a, the lateral ledges 7B' are attached to the lower surface, and glass fitting grooves having openings on the upper side and the lower side are formed.

In construction, first, the uprights 2, 2, ... Are fixed to the upright support fittings fixed to the ends of the building frame (floor). The fixing mode is the same as in the case of the semi-unit type back mullion method BM (see FIGS. 19 and 20).

Then, as shown in FIG. 16, the intermediate connecting member 15 is fixed to the outdoor side surfaces of the uprights 2, 2, ... With connecting screws 46, 46. The main body 16 is connected. The horizontal frame support fittings 47, 47 are attached to both sides of the vertical frame main body 16 at the positions where the intermediate horizontal frames 18, 19 are arranged, respectively, and the intermediate horizontal frame 1 is made to extend horizontally between these horizontal frame support brackets 47, 47.
Attach 8,19. Then, the intermediate connecting member 1
5. Side frames 17A and 17B on both sides of the vertical frame body 16 respectively
To form a glass fitting groove.

When the rectangular frame-shaped glass fitting groove is formed in this manner, the lateral ridges 7A 'and 7B' are attached, the glasses G and G are fitted, and the backups made on the indoor side and the outdoor side, respectively. It is supported by the material / sealing material 34 or the glass back surface supporting gasket 30. The connection structure of the cubes 2 and 2 is exactly the same as that of the semi-unit type back mullion method BM.

As described above, the semi-unit type back mullion method BM and the full-unit type split mullion method S
M, ladder unit method split mullion method LU,
Although these curtain wall structures have been described in detail with the knockdown method KD in the order of changing the method, in the case of the curtain wall system according to the present structure, a plurality of types of substitutable upright members that can be replaced and the window. In the wall surface of one building, since a plurality of types of substitutable window components that make up the parts can be fitted together and the horizontal frames can be fitted together between different construction methods It is possible to construct a wall surface by combining units or members of different construction methods. That is, with respect to the horizontal direction and the vertical direction of the curtain wall, an arbitrary combination of four types of a semi-unit type back mullion method BM, a full unit type split mullion method SM, a ladder unit type split mullion method LU, and a knockdown method KD. Is possible.

Further, in this curtain wall system,
After a while, a part of the curtain wall can be repaired or the exterior surface material can be replaced not only by the curtain wall of the same method but also by the curtain wall of a different method. For convenience of this renewal, in the present curtain wall structure, for example, as shown in FIG. 4, on the indoor side of the horizontal frame, the lid plate locking tool 60 provided on the horizontal frame and the frame main body 61 are provided. A lid plate 62 which can be opened across is attached,
In the structure where the horizontal frame is blocked,
After removing the bolts 63 used to fix the lid plate 62 to the frame body 61, when the lid plate locking tool 60 is opened around the rotation center, the horizontal frame portion is exposed. Renovation work can be easily performed without destroying the interior finishing materials (set board, blind box, waist wall, etc.).

<< Inner Corner Corner Structure >> Next, the inner corner structure in each of the above-mentioned construction methods will be described with reference to FIGS.
Detailed description will be given based on No. 8. Also in the present corner structure, the members used in the corners can be made common in view of the above-mentioned curtain wall system. Detailed description will be made below specifically regarding the structure of the corner portion of the curtain wall construction method in the order of the full unit type split mullion method SM, the ladder unit type split mullion method LU, the semi unit type back mullion method BM, and the knockdown method KD. I will describe.

[Full Unit Type Split Mullion Method SM and Ladder Unit Type Split Marion Method LU] As described above, the full unit type split mullion method SM and the ladder unit type split mullion method LU are longitudinal members, specifically, Since the members oriented in the vertical direction such as the upright 13, the vertical frames 3A and 3B, and the vertical ridges 6A and 6B do not need to be changed, the same structure can be applied to the corners of the corners.

As shown in FIG. 23, the surface (X
At the corner portion at the corner where the surface (direction surface) and the surface on the other side (Y-direction surface) intersect, the cubic shape consisting of the divided cubics 13A and 13B is used as the end cubic on each surface side as in the general portion. To be done. However, as a vertical frame on each side,
Among the vertical frames of the facing pair, the normal vertical frame 3A (3B) is used for the vertical frame on the general part side, but the vertical frame on the corner side of the corner is specially made for the corner of the corner. The vertical frame 70 (hereinafter, referred to as one-side vertical frame for entering corner) is on one surface side (X-direction surface side), and the vertical frame 71 (the other side vertical frame for entering corner) is the other surface side. (Y direction surface side), respectively.

As shown in detail in FIG. 24, the one-side vertical frame 70 for the inside corners has an L-shaped section 26b in cross section on the indoor surface side.
And a plate-shaped projecting piece 27b are formed, and the L-shaped projecting piece 13e formed on the outdoor side surface of the dividing upright 13B is locked to the L-shaped locking piece 26b formed on the indoor side surface of the vertical frame 70. At the same time, the plate-shaped projecting piece 13f formed on the indoor side surface of the vertical frame 70 is replaced by the plate-shaped projecting piece 13f formed on the outdoor side surface of the split vertical 13B.
7b, and connecting rivets 43 passing through both,
A cover member 44 is attached by 43 ...

On the outer prospective surface, a projection piece 24a with which the wind barrier 23 locked by the wind barrier attachment piece 22a abuts, and the rain barrier attachment piece 22b.
The projection 24b is formed so as to contact the rain barrier 25 locked to the vertical barrier frame 3A. The rain barrier 25 and the wind barrier 23 ensure air-tightness when combined with the vertical frame 3A.

A convex portion 70d is formed at the outdoor end of the one-side vertical frame 70 for entering corners, and the other vertical frame 71 for entering corners is formed.
In the state of being joined with, the pocket-shaped concave space M is formed along the vertical direction at the outdoor-side intersection for sealing, and the side adjacent to the other vertical frame 71 for entering corners. A hollow portion 70A having a substantially arcuate cross section is formed in the. The substantially arcuate hollow portion 70A is provided on the one side vertical frame 7 for the entering corner.
0 and the other side vertical frame 71 for the inside corner are concentric with the virtual intersection center point O, which is the center point for adjusting the inside corner opening angle adjustment, and the inside arcuate surface 70c located relatively outside and the inside relative. Having an outer arcuate surface 70b located at
The outer base end portion is provided with a connecting arcuate portion 70a for connecting the end portion of the outer arcuate surface 70b for design and the like to the vertical frame 70. The connecting arcuate portion 70a, the outer arcuate surface 70b, and the sliding contact piece 7 of the other inward corner vertical frame 71 described later.
It is also possible to improve the air-tightness by filling the step portion formed with 1b with a sealing material to form a double sealing structure together with the sealing material 74 that is installed on the outdoor side.

On the other hand, the other vertical frame 71 for entering corners has an L-shaped cross-section piece 26a and a plate-shaped projection piece 27a formed on the indoor surface side, and an L-shaped projection formed on the outdoor side surface of the split vertical 13A. The piece 13c is locked to the L-shaped cross-section locking piece 26a formed on the indoor side surface of the vertical frame 71, and the plate-shaped projecting piece 13b formed on the outdoor side surface of the split vertical 13A is attached to the indoor side surface of the vertical frame 71. The cover member 44 is attached by superposing it on the plate-shaped projecting piece 27a formed in the above and connecting them by connecting rivets 43, 43 ...

Further, a wind barrier attachment piece 22a and a rain barrier attachment piece 22b are formed on the outer prospective surface, and the rain barrier 2 in the combined state with the vertical frame 3B.
5. The wind barrier 23 ensures the airtightness.

A convex portion 71d is formed at the outdoor end of the other vertical frame 71 for entering corners, and the one vertical frame 70 for entering corners is formed.
In the state of being joined with, the pocket-shaped concave space M is formed along the vertical direction at the outdoor-side intersection portion for sealing, and the side adjacent to the one-side vertical frame 70 for entering corners. Is a virtual intersection center point O of the inside corner one side vertical frame 70 and the inside corner other side vertical frame 71 which are separated from each other in the indoor / outdoor direction.
As a concentric circle, the arc-shaped cross-section member piece 71c relatively located on the outdoor side, and the indoor side relatively,
A sliding contact piece 71b extending to the virtual intersection center O side is formed via the connecting arc portion 71a.

As shown in the figure, the one vertical side frame 70 for entering corners and the other vertical side frame 71 for entering corners have a circular arc-shaped member piece 71c and a sliding contact piece 71b of the other side vertical frame 71. The hollow portion 7 of the one-sided vertical frame 70 having a substantially arc-shaped cross section in the space between
0A is inserted. In this inserted state, the inside arcuate surface 70c of the one side vertical frame 70 and the outside surface of the arcuate section member 71c of the other side vertical frame 71 are in sliding contact, and the outside arcuate surface 70b of the one side vertical frame 70 and the other side. Side vertical frame 71
The sliding contact piece 71b is in sliding contact with the tip. Here, the sliding contact surface on the relatively outdoor side is a sliding contact surface for ensuring air-tightness, and the sliding contact portion on the relatively indoor side is the one vertical frame 70 for the entering corner and the other for the entering corner. This is for ensuring that the side vertical frame 71 and the side vertical frame 71 can be positioned at a predetermined opening angle.

When the one-side vertical frame 70 and the other-side vertical frame 71 are positioned in a predetermined angle state, the inner arcuate surface 70c of the one-side vertical frame 70 and the other-side vertical frame are arranged at appropriate intervals in the vertical direction. After the connecting screws 72, 72 ... Are screwed into the overlapping portion of the frame 71 on the outer surface of the arcuate member 71c in cross section, the convex portion 70d of the one vertical frame 70 and the convex portion of the other vertical frame 71 are formed. Part 71
The backup material 73 is packed in the pocket-shaped concave space M formed by d and d, and the irregular sealing material 74 is filled on the outer side of the backup material 73 to ensure the waterproofness.

By the way, as shown in FIG. 25, the interior side portion of the entry corner portion is provided with a cover plate locking tool 60 provided on the entry side one vertical frame 70 and the other corner vertical frame 71, and the frame. An openable lid plate 62 is attached to straddle the main body 61, and the horizontal frame is closed.
After removing the bolts 63 used to fix the lid plate 62 to the frame body 61, when the lid plate locking tool 60 is opened around the rotation center, the horizontal frame portion is exposed. Renovation work can be easily performed without destroying the interior finishing materials (set board, blind box, waist wall, etc.).

Although the case where the entering corner angle is 90 ° has been described above, in the case of this structure, the inner arcuate surface 70c of the vertical frame 70 on one side and the arcuate member 71 having a cross section of the vertical frame 71 on the other side.
The sliding contact margin with the outer side surface of c in the rotation direction is secured, and the sliding contact margin between the outer arcuate surface 70b of the one side vertical frame 70 and the tip of the sliding contact piece 71b of the other side vertical frame 71 is secured. In general, the angle of entry can be arbitrarily adjusted to the angle of entry of 90 ° to 135 °. For reference, FIG. 26 shows a cross-sectional view in the case of an included angle of 135 °.

[Semi-unit type back mullion method B
M] Next, semi-unit type back mullion method BM
A detailed description will be given of the structure of the inside corner portion in FIG.

This semi-unit type back mullion construction method B
In the entry corner structure in M, as in the full unit split mullion construction method SM and the ladder unit split mullion construction method LU, the entry corner one side vertical frame 70 and the entry corner other side vertical frame 71 are provided. used.

This semi-unit type back mullion construction method B
In M, a cuboid 2 having a single cross section is used as a cuboid, and in the general part, the cuboid 2 and the horizontal frames 4A and 4B are connected by a mounting bracket 9, and vertical frames 3A and 3B are provided between the horizontal frames. Although fixed, the horizontal frame does not exist on the corner side of the entering corner, so that the one vertical frame 70 for entering corners and the other vertical frame 71 for entering corners are angle-shaped directly on the outdoor side surface of the upright 2. Using the connecting bracket 75, the flanges on each side are applied to the upright 2 and the one vertical frame 70 for entering corners or the other vertical frame 71 for entering corners, and the screws 76, 76 are used for connection. .

The other structures are the same as those of the full unit type split mullion method SM and the ladder unit type split mullion method LU, and therefore, the same reference numerals are given and the description thereof will be omitted.

[Knockdown Method KD] Next, the structure of the corner portion of the corner in the knockdown method KD will be described in detail with reference to FIG. 28. The knockdown method K
Also in D, the one vertical side frame 70 for the entering corner and the other vertical side frame 71 for the entering corner are used.

In the general part of the knockdown construction method KD, the upright 2 having a single cross section is used as the upright, but in the entry corner corner, the entry corner corner on the one side surface (X direction surface) side. , A cubic 13 integrally provided with a split cubic part and a window frame part
C and divided cube 13B combined with this cube 13C
And a vertical frame 70 for the other side of the entering corner, which is attached to the outdoor side surface of the divided vertical 13B, and the other side surface (Y
In the corner portion on the side of the (direction surface) side, a cubic 13D integrally provided with a dividing cubic and a window frame portion, a dividing cubic 13A combined with this cubic 13D and this dividing cubic 13A.
The other side vertical frame 71 for entering corners is attached to the outdoor side surface of the.

The upright 13C is provided with a recess 13g on the opposing surface side of the upright division (main body) with which the projecting piece 13d of the upright division 13B engages, and a vertical extension extending integrally from the upright division to the outdoor side. A wind barrier attachment piece 22a and a rain barrier attachment piece 22b are formed on the outer surface side portion of the frame portion, and in a combined state with the one-side vertical frame 70 for entering corners,
Airtightness is ensured by the rain barrier 25 and the wind barrier 23. A glass fitting groove is formed on the inner surface of the vertical frame by attaching a side frame 17C.

On the other hand, the cube 13D is a divided cube (main body).
Is provided with a projecting piece 13h that engages with the concave portion 13a of the split vertical portion 13A, and the wind barrier attachment piece 22a is provided on the outer surface side portion of the vertical frame that integrally extends from the split vertical portion to the outdoor side. The protrusion 24a with which the wind barrier 23 locked to the abutment and the rain barrier attachment 22
projection 24b with which the rain barrier 25 locked to b abuts
Are formed, and in the combined state with the other vertical frame 71 for entering corners, the rain barrier 25 and the wind barrier 23 ensure air-tightness. A glass fitting groove is formed on the inner surface of the vertical frame by attaching a side frame 17D.

Structures other than the above-mentioned portions, specifically, the structure and the joining structure of the one-side vertical frame 70 for the entering corner and the other-side vertical frame 71 for the entering corner, the dividing vertical side 13B of the one-side vertical frame 70 for the entering corner
The mounting structure for the above, the mounting structure for the other side vertical frame 71 for the entering corner with respect to the divided upright 13A, and the like are the same as the structures for the entering corners of the full unit split mullion construction method SM and the ladder unit split mullion construction method LU. Therefore, the same reference numerals are given and description thereof is omitted.

[0075]

As described above in detail, according to the present invention, a curtain wall system capable of easily supporting a plurality of types of curtain wall construction methods can be commonly applied to each construction method while using the same member. At the same time, it is possible to provide an entering corner portion structure capable of accommodating the entering angle within a predetermined angle range.

[Brief description of drawings]

FIG. 1 is an explanatory diagram of a system configuration of the present curtain wall.

FIG. 2 is a horizontal cross-sectional view of the semi-unit type back mullion method (a view taken along the line II-II in FIG. 1).

FIG. 3 is a vertical cross-sectional view of an intermediate horizontal frame portion in the semi-unit type back mullion method (a view taken along the line III-III in FIG. 1).

FIG. 4 is a vertical sectional view of an upper / lower horizontal frame portion in a semi-unit type back mullion method (a view taken along the line IV-IV in FIG. 1).

FIG. 5 is a member change diagram when changing from a semi-unit type back mullion method to a full-unit type split mullion method.

FIG. 6 is a horizontal cross-sectional view (a view taken along the line VI-VI in FIG. 1) in the full unit split mullion method.

FIG. 7 is a vertical cross-sectional view of an intermediate horizontal frame (a view taken along the line VII-VII in FIG. 1) in the full unit split mullion method.

FIG. 8 is a vertical cross-sectional view of the upper and lower horizontal frames in the full unit split mullion method (viewed from the line VIII-VIII in FIG. 1).
Is.

FIG. 9 is a member change diagram when changing from the full unit type split mullion method to the ladder unit type split mullion method.

FIG. 10 is a horizontal cross-sectional view (a view taken along the line XX in FIG. 1) in the ladder unit split mullion method.

FIG. 11 is a vertical cross-sectional view (No. 1) of an intermediate horizontal frame in the ladder unit method split mullion method (a view taken along the line XI-XI in FIG. 1).

FIG. 12 is a vertical cross-sectional view of the intermediate horizontal frame in the ladder unit split mullion method (No. 2) (XII-XII in FIG. 1)
It is a line arrow view).

FIG. 13 is a member change diagram (part 1) when the ladder unit method split mullion method is changed to the knockdown method.

FIG. 14 is a member change diagram (part 2) when the ladder unit method split mullion method is changed to the knockdown method.

FIG. 15 is a diagram (part 3) of changing members when the ladder unit method split mullion method is changed to the knockdown method.

FIG. 16 is a horizontal cross-sectional view (a view taken along the line XVI-XVI in FIG. 1) in the knockdown method.

FIG. 17 is a vertical cross-sectional view of an intermediate horizontal frame (part 1) in the knockdown method (view taken along the line XVII-XVII in FIG. 1).

FIG. 18 is a vertical cross-sectional view (part 1) of an intermediate horizontal frame in the knockdown method (a view taken along the line XVIII-XVIII in FIG. 1).

FIG. 19 is a plan view of a vertical support portion when the vertical 2 is used.

FIG. 20 is a side view thereof.

FIG. 21 is a plan view of a vertical support portion when the divided vertical 13 is used.

FIG. 22 is a side view thereof.

FIG. 23: Full unit method split mullion method S
M and ladder unit method split mullion method L
It is a cross-sectional view showing a 90 ° corner corner structure in U.

FIG. 24 is an enlarged view of a main part thereof.

25 is a view taken along the line XXV-XXV in FIG.

FIG. 26: Full unit type split mullion method S
M and ladder unit method split mullion method L
It is a cross-sectional view showing a 135 ° corner corner structure in U.

FIG. 27 is a transverse cross-sectional view showing a 90 ° corner portion corner structure in the semi-unit type back mullion method BM.

FIG. 28 is a cross-sectional view showing a 90 ° -entry corner portion structure in the knockdown method KD.

29 (A) and 29 (B) are views showing a conventional corner structure of an entering corner.

[Explanation of symbols]

BM ... Semi-unit type back mullion, SM ... Full unit type split mullion, LU ... Ladder unit type split mullion, KD ... Knock down, 2 ... cubic 3A / 3B ... vertical frame, 4A ... upper horizontal frame, 4B ... bottom Horizontal frame,
5 ... Intermediate horizontal frame, 6A / 6B ... Vertical ridge, 7A / 7B / 8A
8B ... horizontal ridge, 9 ... mounting bracket, 13 ... divided cubic, 14 ... vertical frame, 70 ... one side vertical frame for entering corner, 71 ... other side vertical frame for entering corner

   ─────────────────────────────────────────────────── ─── Continued front page    F-term (reference) 2E002 NA04 NB02 NC04 PA01 QA04                       QA05 QA08 QB01 QC05 SA01                       SA02 TA01 UA02 UB04 UB16                       WA11 XA08 XA16

Claims (3)

[Claims] 1. A vertical structure that is relatively located on the indoor side and a window structure that is relatively located on the outdoor side and forms a panel surface are structurally separated, and the vertical structure can be replaced. A plurality of types of upright members and a plurality of types of substitutable window forming members that form the window are prepared in advance, and the plurality of types of standing members and the plurality of types of window forming members are used as a curtain wall construction method. It is a corner-corner structure in a curtain wall system that can be used in multiple types of curtain wall construction methods by allowing it to be combined arbitrarily under the structural conditions according to A corner is arranged at the corner corner connection end position, and a vertical frame for the corner is arranged on the outdoor surface side of this vertical side and on the side closer to the corner of the corner for entering the corner. Pair of upright members And one side vertical frame for entering corners arranged on one side of the intersecting curtain wall surface and the other vertical side frame for entering corners arranged on the other side of the intersecting curtain wall surface. A structure for entering a corner of a curtain wall, wherein the structure is engaged in a state in which the entering angle can be adjusted within a predetermined angle range at a position near the outdoor side. 2. The engaging portion structure of the one vertical frame for entering corners and the other vertical frame for entering corners, wherein one of the entering corners has a substantially concentric opening angle center point for adjusting the entering corner angle. The arcuate surface of the member extending from the side vertical frame and the arcuate surface of the member extending from the other side vertical frame for the inside corner are connected while slidingly contacting each other, and one for the inside corner at the indoor position thereof. A member extending from one of the side vertical frame and the other vertical vertical frame for entering corners and a member extending from the other one of the one vertical vertical frame for entering corners and the other vertical vertical frame for entering corners. The entrance corner structure of the curtain wall according to claim 1, which is in contact with the curtain wall. 3. An arcuate surface of a member extending from the one vertical frame for entering corners and an arcuate surface of the other vertical frame for entering corners at a substantially open angle center point portion for adjusting the incoming corner angle. At the joint with the arcuate surface of the member, a pocket-shaped recessed space that is open to the outside of the room is formed along the vertical direction, and a waterproof treatment consisting of a backup material and an irregularly shaped sealing material is provided in the pocket-shaped recessed space. The inner corner structure of the curtain wall according to claim 2, which is provided.