JPH08312002A - Attachedly constructed structure and extended structure - Google Patents

Abstract

PURPOSE: To execute assembly quickly and to facilitate assembly. CONSTITUTION: An attachedly constructed structure 7 having an attaching frame 6 is attached to an opened part provided on the outer wall 4 of an existing building. The vertical attaching frame of the attaching frame 6 has an attaching groove, and the attachedly constructed structure 7 has a side composition body 26. An engaging part 44 provided on the side of the side composition body of the attachedly constructed structure 7 is engaged from an upper side in an engagedly receiving part 43 provided on the side of the attaching frame, and the indoor end of the side composition body is therefore fitted in the groove of the vertical attaching frame and fixed.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to an attached structure for expanding the internal space of an existing building and an extension structure using the attached structure.

[0002]

[Prior Art] I want to make my room larger as I can afford my life.
There is a strong demand to make it wider. Also, due to the arrival of the elderly society, the number of people living together for two generations has increased, and a larger living space is required inside the building. In this case, in terms of cost or effective use of resources, it is recommended to add or renovate the house instead of rebuilding it.

In response to this, various attached structures and extension structures have been proposed. Japanese Patent Application Laid-Open Nos. 61-221433 and 6-42052 disclose structures for fixing an attached structure to an existing building.
Japanese Patent No. 102011 discloses an extension construction method in which each unitized member of an attached structure is assembled in a fixed procedure to obtain an extension space.

[0004] In general, when an extension work is started, the normal life is sacrificed to a large extent or a small amount. Therefore, the renovation around the bathroom is not necessary, and the renovation around the kitchen is 1
It is preferable to complete it in a day, and it is desired to efficiently assemble the previously prepared members such as the attached structure and the like so as to work efficiently. However, in the conventional installation work of the attached structure to the existing building, in order to prevent the fall of positioning when attaching one member and fixing this member,
Two workers may be required, and in particular, the installation of the side structure in the attached structure, which is the first assembly work for attaching the attached structure, was difficult and inefficient because it was difficult to perform by one person. .

[0005]

SUMMARY OF THE INVENTION It is an object of the present invention to provide an attached structure which can be assembled quickly and by one person and an extension structure using the attached structure.

[0006]

[Means for Solving the Problems]

[Attached structure] A roof body, a side structure, and a mounting frame are provided. An engaging portion is provided on the indoor upper end of the side surface structure. The mounting frame is provided with an engagement receiving portion. The mounting frame is fixed to the opening of the building, and the engaging receiving portion is engaged with the engaging portion of the side structure to mount the side structure to the mounting frame.

The following configuration may be adopted. The engaging part of the side surface structure is formed by a part of the indoor side end of the tight material mounting part provided on the upper surface of the side surface structure, and the engagement receiving part of the mounting frame is part of the mounting frame. A structure formed by a part of an end portion of a tight material mounting portion formed on a roof supporting portion of a rafter hanging structure. A configuration in which the engaging portion is a concave portion formed on the indoor side portion of the side surface structure, and the engaging receiving portion is a protrusion formed on a groove bottom portion of the vertical mounting frame in the mounting frame.

[Expansion Structure] An attachment frame is attached to an opening provided in an outer wall of an existing building, and an attached structure forming an extension space is attached to the attachment frame. The vertical mounting frame in the mounting frame has a mounting groove open to the outdoor side in the longitudinal direction of the frame in cross section. The engaging portion provided on the side structure of the attached structure is engaged with the engaging receiving portion provided on the mounting frame side. The indoor side of the side surface structure is fitted and fixed in the groove of the vertical mounting frame.

The configuration may be as follows. A structure in which the mounting frame has a rafter hook that supports the indoor side of the roof body in the attached structure, and the side structure in the attached structure has a roof beam that supports the roof body. A tight material mounting portion is formed in the longitudinal direction at a position that supports the roof body of the rafters, and inner and outer claw fins for gripping the tight material are formed at the ends thereof, of which a part of the outer claw fins is formed. Is cut off to form an engagement receiving portion. A tight material mounting portion is formed at a position supporting the roof body of the side structure in the attached structure,
At the indoor end, the indoor portion of the outer claw fin of the inner and outer claw fins for gripping the tight material is cut off to form an engaging portion.

[0010]

With the construction in which the engagement receiving portion provided on the mounting frame side is engaged with the engagement portion provided on the side surface constructing body, it is possible to mount the side constructing body on the attached structure by one person. .

The extension structure consisting of the attached structure having the mounting frame is unitized so that the work on site is reduced and the construction time is shortened. The vertical mounting frame having the mounting groove in the mounting frame facilitates assembly of the attached structure and also facilitates positioning and attachment of the attached structure to the existing building.

[0012]

[Example] FIG. 2 is an internal space of an existing building (existing space 1).
The interior space of the extension part (extension space 2) is seen from above, and the extension part is the exterior side from the wall 3. Although the side portion s of the extension portion has a window structure in the figure, it may have a wall structure. The extension space 2 is formed by attaching an attached structure 7 having an attachment frame 6 to an opening 5 formed by cutting out an outer wall 4 of an existing building (FIG. 3).

The mounting frame 6 includes a rafter hook 8 which is a groove-shaped extruded product and left and right vertical mounting frames 9 (a,
b) and the joist 10 with the respective grooves 11 (a-
c) is open to the outside and assembled in a rectangle (FIGS. 1 and 3). The groove that the vertical mounting frame 9 has is a mounting groove and is indicated by reference numeral 11 (a, b). The rafter rack 8 has an upper side portion 12, a lower side portion 13 and a vertical side portion 14 in a cross section. At the outdoor side edge of the upper side portion 12, a flange piece 15 is formed upward in the in-plane direction of the outer wall 4. Further, the lower side portion 13 is extended more to the outdoor side than the upper side portion 12, and a tight material attachment portion 16 is formed in the longitudinal direction at the outdoor side edge (FIG. 4). The tight material mounting portion 16 is opened upward, and inner and outer claw fins 17 (a, b) are formed to face each other in order to grip the tight material (FIG. 5).

The vertical mounting frame 9 (a, b) is substantially U-shaped in cross section and has a bottom portion 18 and left and right side portions 19 (a, b), and a mounting groove 11 (a) opened to the outdoor side. , B)
Is provided (FIGS. 7 and 8). The distance between the side portions 19 (a, b) is dimension d1. Reference numeral 20 is a flange piece that extends in the in-plane direction of the outer wall 4. Although FIGS. 7 and 8 relate to other embodiments, they will be used to describe the common parts. Further, the figure shows the right vertical mounting frame 9b when the front of the extension is viewed from the outside, but the left vertical mounting frame 9a has the same structure, and the cross section appears line symmetrical to the right one. . The joist 10 is composed of a frame material having a groove open to the outdoor side.

The mounting frame 6 is a vertical mounting frame 9 on the left and right.
(A, b) the rafter rack 8 through the groove 11 (a, b) sideways, that is, the rafter rack 8 vertical mounting frame 9
It is fixed across the grooves 11 (a, b) of (a, b), and the joist 10 is vertically attached to the vertical mounting frame 9 (a, b) (FIG. 1).

The mounting frame 6 constructed in this way
Is attached to the opening 5 in the outer wall 4 of the existing building from the outdoor side, covers the fractured surface of the outer wall 4 with the flange pieces 15 and 20, and the lag screw 2 is attached to the pillar 21, the girder 22, and the base 23 of the existing building.
4 etc. (FIGS. 1 and 7). Outer wall 4 and collar piece 1
A sealing material 25 is filled between the gaps 5 and 20 to maintain watertightness.

The attached structure 7 further includes right and left side surface structures 26 (a, b), a roof girder 27, a floor girder 28, and a roof body 29.
And the floor panel 30, which are assembled in a box shape to form the extension space 2 (FIG. 3). Side structure 26 (a,
b) is formed by a front pillar 31 (a, b), a rear pillar 32 (a, b), a roof beam 33 (a, b) and a floor beam 34 (a, b) in a rectangular shape, and has a glass plate 35 inside. Is attached (hereinafter, additional symbols a and b may be omitted).

In the structure of the side structure 26, the rear pillar 32
(FIGS. 7 and 8) is a groove shape having left and right side portions 36 (a, b) and a bottom portion 37, which is open to the indoor side, and the side portion 3
The distance d2 between 7 (a, b) is smaller than the distance d1 between the left and right side portions 19 (a, b) of the vertical mounting frame 9. Also,
The roof beam 33 (FIG. 1) is a hollow frame material formed by extrusion molding, and a tight material attachment portion 38 is formed on the upper surface in the longitudinal direction of the frame material. The tight material mounting portion 38 is opened upward,
Inner and outer claw fins 39 (a,
b) are formed opposite to each other (FIG. 5).

The roof girder 27 (FIG. 3) is a hollow frame material formed by extrusion molding, and a tight material mounting portion 39 is formed on the upper surface along the longitudinal direction of the frame material. The floor girder 28 is also formed of a hollow frame material by extrusion molding. In the attached structure 7, the rear pillars 32 (a, b) of the left and right side surface structures 26 (a, b) are attached to the grooves 11 of the vertical mounting frame 9 (a, b) of the mounting frame 6.
It is fitted and fixed in (a, b) (FIGS. 1 and 4), and both constituent parts 26 are provided on the outdoor side of the left and right side surface constituent members 26 (a, b).
The roof girder 27 and the floor girder 28 are fixed between (a, b), and further, the roof body 32 and the floor panel 33 are attached, and the roof girder 27 and the floor girder are attached to the existing building. A sash 41 and a wall panel 42 (FIG. 3) are attached to the front surface of the attached structure 7. Note that fixing of these frame members is performed from the inside of the attached structure 7 using brackets and bolts 40.

When the side structure 26 is mounted on the vertical mounting frame 11, the ends (both ends) of the tight material mounting portion 16 of the rafter rack 8 are provided with inner and outer claw fins 17 (a, b) for gripping the tight material. 5), a part of the horizontal portion of the outer claw fin 17b is cut off by a dimension d3 to form the engagement receiving portion 43 (FIG. 5). The inner claw fin 17a is cut off from the end surface by a dimension d4 in the horizontal portion, the vertical portion and the bottom portion. Dimension d3
Is the width dimension of the outer claw fin 39b in the tight material mounting portion 38, and the dimension d4 is the dimension d4 in which the wall thickness of the outer claw fin 39b is subtracted from the width dimension of the tight material mounting portion 38 itself. Further, the tight material attachment portion 38 of the roof beam 33 in the side surface structure 26 has the inner claw fin 39a subtracting the width dimension of the inner claw fin 17a from the width dimension of the tight material attachment portion 16 itself at least at the indoor side end thereof. Only the size is cut off. That is, in the side structure 26, the indoor portion of the outer claw fin 39b in the tight material mounting portion 38 of the roof beam 33 is cut and left to form the engaging portion 44 (FIG. 6).

The side structure 26 has the roof beams 3
The indoor side end of 3 comes into contact with the lower surface of the rafter rack 8 of the mounting frame 6 and is fitted into the groove 11 (a, b). Then, the engaging portion 44 formed on the upper surface of the side surface structure member 26 engages with the engagement receiving portion 43 formed on the rafter hook 8 from above, and the position of the side surface structure member 26 with respect to the mounting frame 6 is determined. At the same time, since the operator does not say that the side structure 26 will fall down at once even if one hand is released, the bolting work for fixing can be easily performed without having the assistant support the side structure 26. Can be done.

When the side surface structure 26 is fixed, the end of the tight material mounting portion 38 on the side surface structure 26 side is abutted against the end of the tight material mounting portion 16 of the rafter rack 8, The tight material mounting groove is continuous (Fig. 4). The tight material mounting portions 38 (a,
Since b) is also connected to the tight material mounting portion 39 of the roof girder 27 on the outdoor side, the tight material mounting groove is formed so as to make one round in a rectangular shape. The roof body 28 is fixed in contact with the tight material mounted in the tight material mounting groove arranged in the rectangle.

FIG. 7 shows a second embodiment relating to the engagement receiving portion 43 and the engagement portion 44, and the other structure is the same as that of the first embodiment. In this embodiment, the engagement receiving portion 43 is an L-shaped bracket metal fitting composed of a horizontal portion and a vertical portion, and is fitted into the mounting groove 11 (a, b) formed in the vertical mounting frame 9 to be vertically mounted. Mounting frame 9 to pillar 2
When fixed to 1, the vertical portion is fixed and attached to the bottom portion 18 at the same time. The engagement portion 44 is formed as a part of an auxiliary metal fitting used when fixing the rear column 32 of the side structure 26 to the vertical mounting frame, and is formed to project from the bottom side portion 37 of the rear column 32 to the indoor side. The engagement receiving portion 43 is disposed so as to overlap with the upper surface of the horizontal portion.

When the side structure 26 is fitted in the mounting groove of the vertical mounting frame 9, the side structure 2 is attached to the mounting frame 6.
6 is determined, and the engaging portion 44 on the side face structure 26 side is placed on the engaging receiving portion 43 on the vertical mounting frame 9 side.
The side structure 26 is temporarily supported. The engagement receiving portion 4
A rib protruding low on the upper surface of the tip of the horizontal part that constitutes 3
Further, a rib protruding low is provided on the lower surface of the tip of the horizontal portion forming the engaging portion 44, and when the side structure 26 temporarily supported by the vertical mounting frame 9 starts to slide out for some reason, these ribs are caught by each other. It is also possible to adopt a structure that prevents the side surface structure 26 from completely falling off.

FIG. 8 shows a third embodiment of the engagement receiving portion 43 and the engagement portion 44, and the other structure is the same as that of the first embodiment. In this embodiment, the engagement receiving portion 43 is an L-shaped bracket fitting also having a horizontal portion and a vertical portion, and is fitted into the mounting groove 11 (a, b) formed in the vertical mounting frame 9. At the same time when the vertical mounting frame 9 is fixed to the pillar 21, the vertical portion is fixed and attached to the bottom portion 18. The engagement portion 44 is a notch formed on the indoor side of the rear pillar 32 of the side surface structure 26. Also in this case, a low rib 45 is provided on the upper surface of the tip of the engagement receiving portion 43, and a concave portion 46 is formed in a part of the notch to prevent the side surface structure 26 that is temporarily supported from falling off. it can.
The above is an example, and the present invention is not limited to the illustrated specific configuration. Although the attached structure has been described as including the side surface structure on both the left and right sides, it may be a single-sleeve structure having only one side structure. Depending on this, the vertical mounting frame 9 of the mounting frame 6 may be only one of the left and right sides.

[0026]

According to the configuration of the first aspect, by engaging the engaging portion of the side surface assembly with the engagement receiving portion of the mounting frame, it is possible to prevent the side surface assembly from falling when assembled.
The attached structure can be easily assembled. According to the configuration of claim 2, since the engagement receiving portion and the engagement portion can be formed by using a part of the tight material attachment portion, the number of parts of the attached structure increases for engagement. Never.

According to the third aspect of the present invention, the side surface structure is prevented from falling until fixed by engaging the engaging portion with the engaging receiving portion of the mounting frame.
By fitting the indoor side part into the mounting groove of the vertical mounting frame,
Since the mounting position and the mounting posture are determined, the attached structure can be easily assembled. According to the structure described in claim 4, since the engagement receiving portion and the engagement portion can be formed by utilizing a part of the tight material attachment portion, the number of parts does not increase due to the engagement. It is not necessary to specialize the cross-sectional structure of the mounting frame or side structure for engagement.

According to the fifth aspect of the invention, no special processing is required for the mounting frame and the side surface structure, and the cost can be reduced. Further, since there is no particular restriction on the use of a part of the members for the construction of the engagement receiving portion and the engagement portion, the engagement between the mounting frame and the side surface structure can be ensured. According to the configuration of claims 6 and 7, the side structure of the attached structure is temporarily supported on the mounting frame by the engagement receiving part of the mounting frame and the engaging part of the side structure before being fixed. Since the fall can be prevented, an assistant is not required when mounting the side structure, and work efficiency is good. Further, the indoor side of the side surface structure member can be fitted into the mounting groove of the vertical mounting frame of the mounting frame for easy positioning, and the construction time can be reduced.

[Brief description of drawings]

FIG. 1 is an exploded perspective view showing an attached state of a side structure.

[Figure 2] Front view of the extension space viewed from the existing space

FIG. 3 is an exploded perspective view showing an extension part.

FIG. 4 is a perspective view showing a mounted state of a side surface assembly.

FIG. 5 is an exploded perspective view of the engagement receiving portion and the engagement portion (first example).

FIG. 6 is a cross-sectional view showing a state in which the engagement portion is placed on the engagement receiving portion.

FIG. 7 is a sectional view showing a state in which the side surface assembly is attached (including a second example of the engagement receiving portion and the engagement portion).

FIG. 8 is a perspective view showing a vertical mounting frame and a part of a side surface assembly in an exploded manner (including a third example of an engagement receiving portion and an engaging portion).

[Explanation of symbols]

1 Existing Space 2 Extension Space 3 Wall 4 Outer Wall 5 Opening 6 Mounting Frame 7 Attached Structure 8 Rafter Rack 9 Vertical Mounting Frame 10 Joist Rack 11 Mounting Groove 12 Side Side (Top) 13 Side Side (Bottom) 14 Vertical Side Part 15 Collar piece 16 Tight material mounting part 17 Claw fin 18 Bottom part 19 Side part 20 Collar piece 21 Column 22 Girder 23 Base 24 Lag screw 25 Sealing material 26 Side structure 27 Roof girder 28 Floor girder 29 Roof body 30 Floor panel 31 Front Pillar 32 Rear Pillar 33 Roof Beam 34 Floor Beam 35 Glass Plate 36 Side Side 37 Bottom Side 38 Tight Material Attachment Part 39 Tight Material Attachment Part 40 Bolt 41 Sash 42 Wall Panel 43 Engagement Receiving Part 44 Engaging Part 45 Rib

 ─────────────────────────────────────────────────── ─── Continuation of front page (72) Inventor Issei Tsuda 4-1-1 Sanjooji, Nara, Nara Prefecture Sekisui Kagaku Kogyo Co., Ltd. (72) Inventor Mitsunori Takigawa 3-4-7 Toranomon, Minato-ku, Tokyo Sekisui Chemical Co., Ltd.

Claims (7)

[Claims] 1. A roof body, a side surface structure, and a mounting frame fixed to an opening of a building, and an engaging portion that engages with an engagement receiving portion of the mounting frame at an indoor upper end of the side surface structure. An attached structure characterized by having. 2. The engaging portion of the side surface structure is formed by a part of the indoor side end portion of the tight material mounting portion provided on the upper surface of the side surface structure body, and the engagement receiving portion of the mounting frame is mounted. The attached structure according to claim 1, wherein the attached structure is formed by a part of an end portion of a tight material attachment portion formed on a roof support portion of the rafters constituting the frame. 3. A side structure provided with an engaging portion and a mounting frame mounted in an opening provided in an outer wall of a building, the mounting frame being open to the outdoor side in cross section in the engaging receiving portion. A vertical mounting frame provided with a mounting groove in the longitudinal direction of the frame, and the engaging receiving portion of the mounting frame is engaged with the engaging portion provided on the side surface constructing the indoor side edge portion of the side constructing body. An attached structure characterized by being fitted and fixed in a groove of a vertical mounting frame. 4. The side structure has a roof beam for supporting the roof body, and the roof beam is provided with inner and outer claw fins for holding a tight member at a position for supporting the roof body. The indoor side end portion of the inner claw fin is cut off to form an engaging portion, and the mounting frame has a rafter hook that supports the indoor side of the roof body, and holds the tight material at a position that supports the roof body of the rafter hook. 4. The attached structure according to claim 3, wherein inner and outer claw fins for forming the inner and outer claw fins are formed, and ends of the outer claw fins of the inner and outer claw fins are cut off and formed in the engagement receiving portion. 5. A recess is formed on an indoor side portion of the side surface structure to serve as an engaging portion, and a protrusion is provided on a groove bottom portion of the vertical mounting frame on the mounting frame side to serve as an engaging receiving portion. The attached structure according to claim 3, which is characterized. 6. A structure in which an attachment frame is attached to an opening provided in an outer wall of an existing building, and an attached structure that forms an extension space is attached to the attachment frame, and the vertical attachment frame in the attachment frame has a cross section. In the frame longitudinal direction, the attached structure has a side surface structure, and the engagement receiving portion provided on the mounting frame side is engaged with the engagement portion provided on the side surface structure. The extension structure characterized in that the indoor side edge of the side structure is fitted and fixed in the groove of the vertical mounting frame while being fitted. 7. The mounting frame has a rafter hook for supporting the indoor side of the roof body in the attached structure, and the side structure has a roof beam for supporting the roof body, and a position for supporting the roof body of the rafter hook. At the end of the tight material mounting portion formed in the longitudinal direction, a part of the outer claw fin of the inner and outer claw fins for gripping the tight material is cut off to form an engagement receiving portion,
At the indoor side end of the tight material mounting portion formed at the position supporting the roof body of the side structure, the indoor side portion of the outer claw fin of the inner and outer claw fins for gripping the tight material is cut off and left. The extension structure according to claim 6, characterized in that the engaging portion is formed by the above.