JPH0113729Y2 - - Google Patents

Description

[Detailed Description of the Invention] [Field of Industrial Application] The present invention relates to an improvement of a prefabricated bay window.

[Conventional technology]

BACKGROUND ART Conventionally, as a prefabricated bay window in which various parts are manufactured in a factory, these parts are assembled at a construction site, and then attached to a building, upper and lower frames are constructed in a mullion at a corner outside the building.

In addition, conventionally, as shown in, for example, Japanese Utility Model Application Publication No. 57-61069, a joint plate is attached at the joint between the lower end of the vertical frame without a hollow part and the both ends of the lower frame without a hollow part. There was a sash frame in which the lower part was fixed to the lower frame and the upper part of the joint plate was fixed to the vertical frame.

[Problem that the invention attempts to solve]

However, at the joint between the lower end of the mullion at the outside corner of the building of the bay window and both ends of the bottom frame, the aforementioned joint between the lower end of the vertical frame of the sash frame and both ends of the lower frame is If it is simply applied, the joint plate will be exposed to the outside in the width direction of the bay window, so rainwater etc. will easily enter the bay window from the joint part, and the concave groove that opens to the outside in the width direction of the mullion bay window together with the joint plate will be exposed. There were problems such as the exposed surface spoiled the appearance and the shape of the joint plate became complicated.

The present invention was made in order to solve the above-mentioned problems, and by using a mullion and a lower frame at the corner part of the outside of the building with a hollow part, and closing the openings of these hollow parts, the lower end of the mullion is The purpose of this invention is to provide a prefabricated bay window that has a relatively simple structure in which the connecting part and the lower frame side part have a good appearance, can reliably prevent the intrusion of rainwater, and has good assembly workability. There is.

[Means for solving problems]

The present invention is a prefabricated bay window in which upper and lower frames are constructed between the mullions at the outside corner of the building. The upper part of both ends of the lower frame is cut out, and the lower part of the connecting plate that closes the openings at both ends of the hollow part of the lower frame is fixed to the notched ends of the lower frame, and the lower part of the connecting plate is protruded above the lower frame of the lower frame. Insert the upper part of the mullion into the hollow part of the mullion, bring the lower end of the mullion's notch into contact with the center side in the width direction of the bay window from the notch in the lower frame, and insert the lower edge extension left below the notch in the lower frame. The lower end of the outer side of the bay window in the width direction of the mullion is brought into contact with the upper part of the notch of the mullion, the lower end opening of the hollow part of the mullion is closed with the lower side extension part, and the upper part of the joint plate is connected to the width of the bay window of the hollow part of the mullion. It is fixed to the side wall on the center side.

[Effect]

The bay window of the present invention is constructed by fixing the lower part of the splicing board to the side end of the lower frame where there is a hollow part at the joint between the lower end of the mullion at the outside corner of the building and both ends of the lower frame. The openings at both ends of the hollow part are closed, and the upper part protruding above the lower frame of the splicing plate is inserted into the hollow part of the mullion and fixed to the central side wall in the width direction of the bay window of the mullion, and the hollow part of the mullion is fixed. By closing the lower end opening with the lower side extension of the lower frame, the structure is relatively simple and does not require an increase in the number of parts compared to conventional ones, and the joint plate has a simple flat shape. By blocking both the lower end opening of the mullion and the side end opening of the lower frame, it is possible to double prevent rainwater from entering the bay window, and the mullion has a hollow part, The joint plate is located within the hollow portion, giving a good appearance. Furthermore, with the present invention, with the lower part of the joint plate fixed to the lower frame,
By inserting the upper part of the joint plate into the hollow part of the mullion, engaging the notch of the mullion with the notch of the lower frame, and supporting the mullion on the extension of the lower side of the lower frame, the mullion and the lower frame are positioned and assembled by fixing the upper part of the splicing plate to the inner side wall in the width direction of the mullion bay window from the inside with screws, therefore, workability during assembly is good.

〔Example〕

Hereinafter, one embodiment of the present invention will be described with reference to the drawings.

As shown in Figures 1 and 2, left and right building exterior corner mullions 1 and vertical frames 2 are arranged in a planar rectangular shape, and an upper frame 3 and a lower frame 4 are constructed between the mullions 1. A sleeve upper frame 5 and a sleeve lower frame 6 are installed between the mullion 1 and the vertical frame 2, respectively. Lower frame 3 and roof 7
is fixed, and the lower frame 4 and the lower sleeve frame 6 are fixed to the base plate 8.

As shown in FIGS. 3 and 4, the mullion 1,
The window frame formed by the upper frame 3 and the lower frame 4 includes a sliding glass shoji 9 that can be opened and closed, and a screen door 10 that is placed outside these buildings and can be moved in parallel with the sliding glass shoji 9. is installed. A glass plate is stretched over a portion surrounded by the mullion 1, the vertical frame 2, the upper sleeve frame 5, and the lower sleeve frame 6 to form left and right sleeve windows 11. Further, a top plate 12 is disposed between the base plate 8 and the roof 7 in close proximity to the roof 7.

As shown in FIGS. 3 to 8, the mullion 1 and the upper and lower frames 3, 4 are each made of an extrusion molded product having a hollow portion of a metal such as aluminum in the longitudinal direction. The joint between the lower end of the mullion 1 and the side of the lower frame 4 is constructed as follows.

That is, in the side wall 1b of the hollow part 1a at the lower end of the mullion 1, on the central side in the width direction of the bay window, there is a notch 1 cut out including the part protruding from the side wall 1b, as shown in FIG.
c is formed, and lower side extensions 4 are formed at both ends of the lower frame 4.
A notch 4b is formed at the top except for a.

10 on one side of the joint plate 13 having the shape shown in FIG.
A sealing elastic sheet 14 having the shape shown in the figure is pasted with adhesive, the lower part of the joint plate 13 closes the side end opening of the lower frame 4, and a plurality of screws 15 are used to form the step with the rail 4e of the lower frame 4. The elastic sheet 14 is pressed against the end of the notch 4b of the lower frame 4 by being tightened by a mounting protrusion 4d integrally formed on the lower surface of the upper side 4c. The upper part of the joint plate 13 that protrudes above the lower frame 4 is inserted into the hollow part 1a of the mullion 1 from below and becomes a plurality of short protrusions 1d that protrude toward the hollow part 1a of the central side wall 1b in the width direction of the bay window. It is brought into contact with the elastic sheet 14, and is tightened to the side wall 1b from the center side in the width direction of the bay window with a plurality of countersunk screws 16, so that the heads of the countersunk screws 16 do not protrude from the central side surface of the side wall 1b in the width direction of the bay window. There is. In addition, the lower side extension 4a of the lower frame 4
By surrounding the lower end of the mullion 1 except for the notch 1c with the lower end of the mullion 1 and closing the lower end opening of the mullion 1, the lower end of the mullion 1 and both sides of the lower frame 4 are closely connected without any gaps as a whole. has been done.

Furthermore, as shown in FIGS. 3 and 4, the roof 7
A closing plate 24 is fixed to the left and right sides of the roofing material 17 made of an extrusion molded product such as aluminum with screws via a sealing material (not shown).
A mounting protrusion 17a is provided protrudingly on the base end of the holder. A top plate support member 19 is connected to the lower part of the base end of the roof material 17 via a connecting rod 18, and the peripheral edge of the top plate 12 is supported by the upper frame 3, the top plate support member 19, and the sleeve upper frame 5. There is.

In addition, 20 is an article storage area such as a shoe rack provided at the bottom of the base plate 8, 21 is a bay window opening provided in the building, and 22 and 23 are horizontal members above and below the bay window opening 21.

In the bay window of the embodiment constructed as described above, each member is manufactured in a factory, and is transported to a construction site in a disassembled state with some parts assembled, assembled, and installed in the following manner.

That is, as shown in FIG. 3, the mounting protrusion 17a of the roof material 17 is fixed to the upper horizontal member 22 of the bay window opening 21 of the building or the outer surface of the outer wall of the building above this using wood screws, etc. The support member 19 and the peripheral portions of the vertical frame 2 are fixed to columns on the left and right sides of the bay window opening 21 or vertical members between the columns (both not shown) using wood screws or the like. Further, the storage section 20 at the lower part of the base plate 8 is fixed to the outer surface of the lower horizontal member 23 of the bay window opening 21.

As mentioned above, in the bay window of this embodiment, the side end openings of the lower frame 4 are closed with the lower part of the joint plate 13 via the sealing elastic sheet 14, and the lower part of the joint plate 13 is closed at both side ends of the lower frame 4. and insert the upper part of the joint plate 13 protruding above the lower frame 4 into the hollow part 1b of the mullion 1,
It is fixed to the central side wall 1b of the bay window width direction of the hollow part 1a, and the lower end opening of the mullion 1 is fixed to the lower end extension part 4a of the lower frame 4.
Since it is sealed, it is possible to reliably prevent rainwater from entering. That is, even if rainwater tries to enter, the lower side extension 4a of the lower frame 4 prevents it from entering the mullion 1 through the lower end openings, and some of the water flows from these into the hollow part 1a of the mullion 1. Even if it is inserted, the joint plate 13
Since the elastic sheet 14 prevents water from entering the bay window from the joint between the mullion 1 and the lower frame 4, reliable waterproofness can be obtained.

In particular, when a shoe rack or other storage section is installed in a row or in parallel under a bay window, the present invention solves the problem that rainwater easily enters the mortar that is the exterior material of the storage section. As a result, it becomes possible to significantly improve watertightness, and as a result, it becomes possible to completely prevent rainwater from entering.

In addition, in this embodiment, the joint plate 13 is housed in the hollow part of the mullion 1, and the screws 15 and countersunk screws 16 are not exposed outside the bay window.
Since the lower frame 4 cannot be disassembled from the outside of the bay window, it is preferable from the viewpoint of security.

Furthermore, in this embodiment, the lower end of the mullion 1 and both sides of the bottom frame 4 can be fixed with a small number of parts, including the joint plate 13 and the elastic sheet 14 as main parts, and the joint plate 13 may also have a simple flat plate shape. , the structure is simple.

As in the present embodiment, cutouts 4b and 1c are provided in the lower frame 4 and the mullion 1, and by engaging these and supporting the mullion 1 on the lower side extension 4a of the lower frame 4, By positioning the mullion 1 and the lower frame 4, it is easy to assemble, and since connecting protrusions and screws do not come out on the surface, there is no chance of anyone getting caught in them and getting injured.

In the present invention, the elastic sheet 14 for sealing can be omitted, but a mullion using an elastic sheet can provide more reliable waterproofness and airtightness.

[Effect of idea]

As explained above, in the present invention, at the joint between the mullion lower end of the outside corner part of the building of a prefabricated bay window and the both ends of the lower frame, the lower part of the joint plate is attached to the side end of the lower frame where there is a hollow part. is fixed to close the side end opening of the lower frame, and the upper part of the joint plate protruding above the lower frame is inserted into the hollow part of the mullion and fixed to the central side wall in the width direction of the bay window of the mullion; By closing the opening at the bottom of the hollow part of the mullion with the extension of the lower side of the bottom frame, it is a relatively simple structure that does not require an increase in the number of parts. It has a good appearance, with joint plates located inside the hollow space, and rainwater is divided into two layers by both the opening at the bottom of the mullion and the opening at the side of the bottom frame, which reliably prevents water from entering the bay window. Suitable for structures that include a storage section under a bay window. In the present invention, with the lower part of the joint plate fixed to the lower frame, the upper part of the joint plate is inserted into the hollow part of the mullion, and the notch of the mullion and the notch of the lower frame are engaged. By supporting the mullion on the extension of the lower side of the lower frame, the mullion and the lower frame are positioned, and the upper part of the joint board is fixed from the inside to the inner side wall in the width direction of the bay window with screws. This has the effect of improving workability during assembly.

[Brief explanation of the drawing]

The drawings show one embodiment of the present invention; FIG. 1 is a schematic front view, FIG. 2 is a schematic side view, FIG. 3 is a sectional side view, FIG. 4 is a sectional front view of one side, and FIG. is a schematic sectional front view showing the joint between the lower end of the mullion and one side of the lower frame, FIG. 6 is a horizontal sectional view of the same, FIG. 7 is a sectional view taken along the - line in FIG. 6, and FIG. cross-sectional view of the frame,
FIG. 9 is a side view of the joint plate, and FIG. 10 is a side view of the elastic sheet. 1... mullion, 1a... hollow part, 1b... side wall,
1c...notch, 1d...projection, 2...vertical frame, 3
...Top frame, 4...Bottom frame, 4a...Lower side extension, 4
b...Notch, 4c...Stepped upper side, 4d...Mounting protrusion, 4e...Rail, 5...Sleeve upper frame, 6
...Sleeve lower frame, 7...Roof, 8...Main plate, 12...
...top plate, 13...joint plate, 14...elastic sheet,
15...screw, 16...flat screw.

Claims (1)

[Scope of utility model registration request] In a prefabricated bay window with upper and lower frames installed between the mullions at the outside corner of the building, cut out the central side in the width direction of the bay window at the lower end of the mullion where there is a hollow part, and The upper part of both ends is cut out, the lower part of the connecting plate that closes the openings at both ends of the hollow part of the lower frame is fixed to the notched end of the lower frame, and the upper part of the connecting plate that protrudes above the lower frame is fixed. Insert the mullion into the hollow part of the frame, make the lower end of the notch of the mullion come into contact with the center side in the width direction of the bay window than the notch of the lower frame, and insert the mullion onto the lower side extension left below the notch of the lower frame. The lower end of the outer side in the width direction of the bay window is brought into contact with the notch, the lower end opening of the hollow part of the mullion is closed with the lower side extension part, and the upper part of the joint plate is attached to the central side wall of the hollow part of the mullion in the width direction of the bay window. A bay window characterized by being fixed to.