JP2014118680A - Fitting device for exterior material of curtain wall - Google Patents

Abstract

An exterior material for a curtain wall that can be attached with an arbitrary number of exterior materials at an arbitrary height even in a unit-type curtain wall, and thus can enhance energy saving effects such as a design property and a sunlight shielding function. Provides an installation structure.
Engagement grooves 3i and 3j for attaching exterior materials are formed in the longitudinal direction in longitudinal frames 3a and 3b of a curtain wall 3. The brackets 15 and 16 are provided with coupling portions 15a and 16a to be engaged with the engagement grooves 3i and 3j, and tapping grooves 15a and 15b and 16a and 16b formed in the vertical direction on the outdoor side. The engaging portions 15a and 15b of the brackets 15 and 16 are engaged with the engaging grooves 3i and 3j, and the brackets 15 and 16 are fixed to the vertical frames 3a and 3b by the fixtures 17 and 18, respectively. The exterior member 13 is fixed to the brackets 15 and 16 by tapping screws 19 and 20 that are screwed into the tapping grooves 15a and 15b and 16a and 16b of the bracket.
[Selection] Figure 4

Description

  The present invention relates to a structure in which an exterior material such as a ridge, a fin, or a cover is attached to the outer surface of a unit curtain wall constituting the outer wall of a building.

  For the purpose of shielding or restricting sunshine on the building's outer wall, to install a ridge, or for design purposes, to install a fin with a shorter protruding width than the ridge, or to emphasize horizontal and vertical lines A design member called a cover may be attached as an exterior material. In the knockdown curtain wall that is assembled on site as a structure for attaching the ridge, Patent Document 1 discloses that a part of the vertical wall protrudes from the glass panel to the outdoor side, and a groove that continues in the vertical direction is provided in the protruding portion. The head of the bolt for attaching the hook is fitted in the groove so that the head can be moved up and down, the shaft side of the bolt protrudes to the outdoor side, and the bolt provided on the vertical plate portion of the hook There is disclosed a structure in which a vertical plate portion of a ridge is fixed to a vertical outdoor side by a nut fitted with an insertion hole and screwed into a bolt. In this conventional structure, it is possible to adjust the attachment position of the scissors vertically.

  On the other hand, instead of knockdown curtain walls, unit curtain walls take a construction process in which a curtain wall is assembled in advance at the factory, and the curtain wall is hung on the outer wall of the building and attached to the building at the construction stage. As a result, there is an advantage that the on-site construction process and construction period can be shortened, and the construction becomes easy. In such a unit type curtain wall, the attachment structure of the scissors, fins, or cover shown in FIG. 11 has been conventionally employed.

  In FIG. 11, 3e is a horizontal frame constituting the curtain wall 3, and this horizontal frame 3e is installed in the middle of the curtain wall 3 configured as a unit, and 3f is incorporated above the horizontal frame 3e. The single glass panel 3g is a refractory board incorporated above the horizontal frame 3e, and 3h is a double glass panel incorporated below the horizontal frame 3e. Reference numerals 51 and 52 denote pressing edges assembled to the horizontal frame 3e in order to attach the glass panels 3f and 3h to the horizontal frame 3e, respectively. Reference numeral 50 denotes a gutter attached to the outer surface of the curtain wall 3.

  In order to attach the flange 50, conventionally, the attaching portions 51a and 52a of the flange 50 are provided on the pressing edges 51 and 52, and the engaging portions 50a and 50b provided on the indoor side of the flange 50 are locked to the attachment portions 51a and 52a. In addition, the flange 50 is fixedly attached to the pressing edges 51 and 52 with a tapping screw (not shown).

Japanese Utility Model Publication No. 62-37881

  However, since the mounting structure of the fence described in Patent Document 1 described above is a knock-down system in which the vertical that constitutes the building's frame is exposed to the outside of the room and the vertical wall is attached to the exposed portion, Not applicable to unit curtain walls with few exposed surfaces.

  On the other hand, in the conventional structure shown in FIG. 11, the mounting portions 51a and 52a for attaching the flange 50 to the pressing edges 51 and 52 assembled to the horizontal frame 3e are provided and the flange 50 is attached. It is only possible to provide an exterior material such as a cocoon ridge 50, and an exterior material is provided at a more preferable position, or an exterior material is attached to a plurality of locations at different heights of one curtain wall 3 to provide a design property, a sunlight shielding function, etc. There is a problem that it is not possible to meet the demand to improve the quality.

  In view of the above problems, the present invention makes it possible to attach an arbitrary number of exterior materials to an arbitrary height even in a unit-type curtain wall, thereby enhancing energy saving effects such as design properties and sunlight shielding function. It is an object of the present invention to provide a curtain wall exterior material mounting structure.

The curtain wall exterior material mounting structure according to claim 1 comprises:
In the structure to attach the exterior material as a ridge, fin or cover to the outer wall of the unit type curtain wall,
In the longitudinal frame of the curtain wall, an engagement groove for engaging the bracket for mounting the exterior material is formed in the longitudinal direction,
A mounting portion provided at an end portion on the indoor side of the bracket is engaged with the engagement groove of the vertical frame so that the mounting height can be adjusted, and is fixed by a fixing tool, whereby a part of the bracket is detached from the outer wall. Project outside,
The exterior material is attached to a portion of the bracket that protrudes outward from the outer wall.

The curtain wall exterior material mounting structure according to claim 2 is the curtain wall exterior material mounting structure according to claim 1,
The bracket is made of an extruded shape, and has a tapping groove in a vertical direction in a portion protruding from the outer wall,
The upper and lower widths of the tapping groove are formed shorter than the upper and lower plate widths of the tapping groove forming portion in the bracket by cutting out the upper and lower ends of the tapping groove,
The tapping groove is sandwiched between end portions of the upper and lower plate portions of the exterior material, the end portions are brought into contact with the plate surface of the bracket, and the end portions are connected to the upper plate portion and the lower plate. It is characterized by being fixed by a screw that is screwed into the tapping groove through a through hole provided in at least one of the parts.

  According to the first aspect of the present invention, the vertical wall of the curtain wall is provided with the engagement groove of the bracket for mounting the exterior material, and the bracket is engaged with the engagement groove so that the position of the bracket can be changed in the vertical direction. Since the bracket is configured to be fixed to the vertical frame, the mounting position of the exterior material is not limited to the portion of the horizontal frame of the curtain wall, and can be attached to a portion without the horizontal frame. For this reason, an exterior material can be constructed in a position preferable for energy saving for each building or a position excellent in design. In addition, since the mounting part of the exterior material is not limited to the installation location of the horizontal frame, it becomes possible to attach a plurality of exterior materials with a vertical space with respect to the vertical frame of one curtain wall, and the energy saving effect is enhanced. In addition, it is possible to provide a curtain wall having an appearance with improved design.

  According to the invention of claim 2, the upper and lower ends of the tapping groove of the bracket are notched and the end portions of the upper plate portion and the lower plate portion of the exterior material are butted against the plate surface of the bracket so that the exterior material is attached to the bracket. Therefore, the positioning of the screw insertion hole of the exterior material and the tapping groove is facilitated, and the exterior material is easily attached.

It is a partial front view of the building which shows an example of the curtain wall to which the attachment structure of the exterior material of this invention is applied. It is EE sectional drawing of FIG. It is FF expanded sectional drawing of FIG. 1 which shows one Embodiment of the attachment structure of the exterior material of the curtain wall of this invention. It is a principal part expanded sectional view of FIG. It is a partially expanded sectional view of FIG. (A) is a top view of the bracket of this Embodiment, (B) is a front view of a bracket, (C) is the elements on larger scale of (B). (A) is a longitudinal cross-sectional view which shows the structure of the collar of this Embodiment, (B) is a longitudinal cross-sectional view which shows the connection structure with the bracket in the edge part. It is a perspective view which decomposes | disassembles the collar of the one side in the butting | matching part of a collar, and the attachment structure of the exterior material of this Embodiment. It is a perspective view which shows the attachment structure of the exterior material of this Embodiment only about the one side in the butting | matching part of a collar. In this Embodiment, it is a side view which shows the state which attached the collar of different thickness. It is a side view which shows the attachment structure of the conventional exterior material.

  FIG. 1 is a partial front view of a building showing an example of a curtain wall to which an exterior material mounting structure of the present invention is applied, and FIG. 2 is a cross-sectional view taken along line EE in FIG. 1 and 2, reference numeral 3 denotes a curtain wall which is installed on the outer surface of a building and forms an outer wall, and is configured in a unit type.

  The curtain wall 3 according to the present embodiment includes an upper frame 3c, a lower frame 3d, and an intermediate horizontal frame 3e made of extruded material between the left and right vertical frames 3a and 3b made of extruded material. (Refer to FIG. 3), and a single glass panel 3f and a fire-resistant board 3g are incorporated between the left and right vertical frames 3a, 3b, the upper frame 3c, and the intermediate horizontal frame 3e. A double-structured glass panel 3h is incorporated between the frames 3a and 3b, the intermediate horizontal frame 3e, and the lower frame 3d.

  In FIG. 2, reference numeral 5 denotes a beam made of steel constituting the frame, and 1 denotes a reinforced concrete floor material supported by the beam 5. Reference numeral 2 denotes a base plate fixed to a casing such as the flooring 1 or the beam 5 by bolts, nuts or welding (not shown), and 6 denotes a curtain wall mounting device provided between the vertical frames 3a and 3b and the base plate 2. .

  3 is an enlarged cross-sectional view taken along the line FF of FIG. 1 showing an embodiment of the curtain wall exterior material mounting structure of the present invention, FIG. 4 is an enlarged cross-sectional view of the main part of FIG. 3, and FIG. FIG. As shown in FIG. 3, the device 6 for attaching the curtain wall 3 to the housing includes a fastener 6a fixed to the base plate 2, and brackets 6b attached to the vertical frames 3a and 3b of the adjacent curtain wall and assembled to the fastener 6a. Consists of.

  In FIG. 4, 8 and 9 are indoor side and outdoor side pressing edges for attaching the glass panel 3f assembled to the vertical frames 3a and 3b, respectively. Reference numeral 10 denotes a wet sealant that seals the gap between the indoor side pushing edge 8 and the glass panel 3f, 11 denotes an internal spacer that prevents leakage of the wet sealing material 10 to the indoor side, and 12 denotes an outdoor outside pushing edge 9 and glass. It is a dry sealing material that seals between the panel 3f. Reference numeral 13 denotes a flange, and 15 and 16 denote brackets for attaching both ends of the flange 13 to the vertical frames 3a and 3b, which are made of extruded shapes.

  5 is a partially enlarged cross-sectional view of FIG. 4, FIG. 6A is a plan view showing brackets 15 and 16, FIG. 5B is a front view thereof, and FIG. 5C is a partially enlarged front view of FIG. FIG. As shown in FIG. 5, the vertical frames 3a and 3b are formed with engaging grooves 3i and 3j for attaching the brackets 15 and 16 to the vertical frames 3a and 3b, respectively. Also. In the vicinity of the engagement grooves 3i and 3j in the vertical frames 3a and 3b, screw holes 3k and 3m are provided for screwing screw-type fixtures 17 and 18 made of screws or bolts described later.

  As shown in FIGS. 6 (A) and 6 (B), the brackets 15 and 16 are formed with engaging portions 15a and 16a for engaging with the engaging grooves 3i so that the vertical position can be adjusted. In addition, through holes 15b and 16b through which the fixtures 17 and 18 are inserted are provided. Moreover, the shape of the part which protruded to the outdoor side from the glass panel of the brackets 15 and 16 is formed equal to the end surface shape of the flange 13 shown in the longitudinal sectional view of FIG.

  Further, as shown in FIG. 6B, tapping grooves 15c and 15d and 16c and 16d as vertical grooves are formed on one plate surface of the brackets 15 and 16, respectively. Then, as shown in FIG. 6C, the upper and lower ends of these tapping grooves 15c and 15d are cut out over a length indicated by ΔH. The length ΔH of the cut portion is equal to the thickness of the upper plate portion 13a and the lower plate portion 13b of the vertical cross-sectional view of the ridge 13 shown in FIG.

  As shown in FIG. 5, the brackets 15 and 16 have coupling portions 15a and 16a provided at the bases thereof engaged with the engaging grooves 3i and 3j of the vertical frames 3a and 3b, respectively, and penetrated through the brackets 15 and 16. The brackets 15 and 16 are fixed to the vertical frames 3a and 3b by screwing into the holes 15b and 16b and screw holes 3k and 3m provided in the vertical frames 3a and 3b through the fixtures 17 and 18, respectively.

  8 and 9 are perspective views showing a structure for attaching both ends of the flange 13 to the brackets 15 and 16. As shown in FIGS. 8 and 9, the hook 13 is fixed to the brackets 15 and 16 by inserting the tapping screws 19, 19 or 20, 20 into the through holes 13 c and 13 d provided in the lower plate portion 13 b of the hook 13. As shown in FIG. 4, the tapping screws 19, 19, 20, 20 are screwed into the tapping grooves 15 c, 15 d or 16 c, 16 d of the brackets 15, 16 to fix both ends of the flange 13 to the brackets 15, 16.

  When attaching the flange 13 to the brackets 15 and 16 as described above, as shown as a representative of the bracket 15 in FIG. 7B, the end of the flange 13 is brought into contact with the plate surface of the bracket 15 and The tapping grooves 15c and 15d are sandwiched between the plate portion 13a and the lower plate portion 13b. In this state, when the outdoor side end portion of the flange 13 is aligned with the outdoor side end portion of the bracket 15, the centers of the tapping grooves 15c and 15d are aligned with the centers of the through holes 13c and 13d provided in the lower plate portion 13b. Therefore, it is possible to easily attach the flange 13 to the bracket 15 by the tapping screw 19. The same applies to the bracket 16.

  With such a configuration, as shown in the present embodiment, the structure is not limited to the structure in which the collar 13 is attached to the portion of the horizontal frame 3e, but is lower than the horizontal frame 3e as shown by a two-dot chain line 13X in FIG. It is also possible to attach the flange 13 between the horizontal frame 3e and the upper frame 3c as shown by a two-dot chain line 13Y. For this reason, the eaves 13 can be constructed at a position that is preferable for energy saving or an excellent design for each building.

  Moreover, since the attachment site | part of the eaves 13 is not limited to the installation location of the horizontal frames 3c, 3d, and 3e, the some eaves 13 are attached to the vertical frames 3a and 3b of one curtain wall 3 at intervals up and down. Thus, it becomes possible to provide a curtain wall having an external appearance with improved energy saving effect and improved design.

  In the case of the conventional structure, since the vertical width of the eaves is limited by the vertical width of the horizontal frame, it is difficult to attach eaves of different sizes. However, according to the structure of the present invention, the vertical widths of the brackets 15 and 16 As shown in FIG. 10, it is also possible to attach the collar 13Y having a width H2 wider than the aforementioned width H1 of the collars 13 and 13X using the wide bracket 16Y, as shown in FIG. The scope of application is expanded.

  In the above embodiment, the through holes 13c and 13d are provided in the lower plate portion 13b and the flanges 13 are fixed to the brackets 15 and 16 by the tapping screws 19 and 20, but the through holes are formed in the upper plate portion 13a. And a structure in which the flange 13 is fixed to the brackets 15 and 16 using the through holes, or a structure in which through holes are provided in both the upper plate portion 13a and the lower plate portion 13b and fixed by the tapping screws 19 and 20. Also good. Further, the ridge 13 may have a lateral width extending over a plurality of curtain walls 3.

  Although the present invention has been described with reference to the embodiment of the present invention, the present invention can also be applied to the case where a fin or cover is constructed instead of the flange. Moreover, when implementing this invention, a various change and addition are possible about a structural member and its combination in the range which does not deviate from the summary of this invention.

1: floor material, 3: curtain wall, 3a, 3b: vertical frame, 3c: upper frame, 3d: lower frame, 3e: horizontal frame, 3f, 3h: glass panel, 3g: fireproof board, 3i, 3j: engagement Groove, 3k, 3m: screw hole, 4: tapping screw, 5: floor material, 6: curtain wall mounting device, 8, 9: pressing edge, 13: collar (exterior material), 13i, 13j: engagement groove, 15 , 16: bracket, 15a, 16a: engaging portion, 15b, 16b: through hole, 15c, 15d, 16c, 16d: tapping groove, 17, 18: fixing tool, 19, 20: tapping screw

Claims (2)

In the structure to attach the exterior material as a ridge, fin or cover to the outer wall of the unit type curtain wall,
In the longitudinal frame of the curtain wall, an engagement groove for engaging the bracket for mounting the exterior material is formed in the longitudinal direction,
A mounting portion provided at an end portion on the indoor side of the bracket is engaged with the engagement groove of the vertical frame so that the mounting height can be adjusted, and fixed by a fixture, so that a part of the bracket is detached from the outer wall. Project outside,
A mounting structure for an exterior material of a curtain wall, wherein the exterior material is attached to a portion of the bracket that protrudes outward from the outer wall. In the curtain wall exterior material mounting structure according to claim 1,
The bracket is made of an extruded shape, and has a tapping groove in a vertical direction in a portion protruding from the outer wall,
The upper and lower widths of the tapping groove are formed shorter than the upper and lower plate widths of the tapping groove forming portion in the bracket by cutting out the upper and lower ends of the tapping groove,
The tapping groove is sandwiched between end portions of the upper and lower plate portions of the exterior material, the end portions are brought into contact with the plate surface of the bracket, and the end portions are connected to the upper plate portion and the lower plate. A curtain wall exterior material mounting structure characterized by being fixed by a screw screwed into the tapping groove through a through hole provided in at least one of the sections.

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