JP5133480B2 - Refurbished sash - Google Patents

Description

[0001]
BACKGROUND OF THE INVENTION
The present invention relates to a refurbished sash, and more particularly to a refurbished sash in which a sash frame of a new sash can be attached without removing the sash frame of an existing sash.
[0002]
[Prior art]
When refurbishing an existing sash attached to an opening of a building with a new one, conventionally, a method of removing the existing sash and then attaching the new sash has been adopted. However, this construction method has a problem that not only it takes time to remove the existing sash, but also the exterior and interior of its periphery must be dismantled, resulting in a high construction period and construction cost.
[0003]
In order to solve such a problem, there has been proposed a reforming sash frame in which a sash frame of a new sash can be attached without removing the sash frame of the existing sash (see Japanese Patent Laid-Open No. 2001-82031).
[0004]
[Problems to be solved by the invention]
However, in the sash frame for reforming, the existing sash frame has an outer rail support portion on the lower frame and an inner rail support portion having a height higher than the outer rail support portion. Since the interior side portion of the newly installed sash frame is mounted on the part, there is a problem that the opening of the newly installed sash frame is narrowed and the lighting performance is deteriorated.
[0005]
The present invention has been made in view of the above circumstances, and an object of the present invention is to provide a refurbished sash capable of ensuring a wide opening of a newly installed sash frame and improving daylighting.
[0006]
[Means for Solving the Problems]
According to a first aspect of the present invention, there is provided a modified sash having a semi-external sash frame attached to a sash frame of an existing sash attached to an opening of a building, wherein the existing sash frame The lower frame has an outer rail support portion and an inner rail support portion that is higher in height than the outer rail support portion, and the new sash frame has mounting fins on the outer periphery substantially in the middle of the indoor and outdoor directions. In order to attach a new sash frame, an attachment member is attached to the inner periphery of the outdoor side of the existing sash frame, and the attachment member is attached to the lower surface of the upper frame in the left-right direction so as to straddle the upper outer rail. A mounting member, a lower mounting member that is mounted in the left-right direction on the outer rail support portion on the upper surface of the lower frame, and a side mounting member that is mounted in the vertical direction on the inner side surfaces of the left and right vertical frames; The outdoor surfaces of these mounting members Wherein is a mounting surface for mounting the mounting fins, characterized in that the facing surfaces of the mounting member is a supporting surface for supporting the interior side portion of the new sash.
A second invention is a modified sash having a semi-externally installed sash frame attached to a sash frame of an existing sash attached to an opening of a building, and the existing sash frame is attached to a lower frame. A rail support portion and an inner rail support portion having a height higher than that of the outer rail support portion. In order to attach the sash frame, an attachment member is attached to the inner periphery of the outdoor side of the existing sash frame, and the attachment member is attached to the lower surface of the upper frame in the left-right direction with the upper outer rail straddled. It consists of a lower mounting member that can be mounted on the outer rail support on the upper surface of the frame in the left-right direction while straddling the lower outer rail, and a side mounting member that can be mounted on the inner surface of the left and right vertical frames in the vertical direction. The outdoor surface of the member Is a mounting surface for mounting a facing surface of the mounting member is an indoor side portion of the support surface for supporting lifting the new sash, characterized Rukoto on the support surface is arranged a spacer made of low thermal conductive material And
[0007]
DETAILED DESCRIPTION OF THE INVENTION
Hereinafter, embodiments of the present invention will be described in detail with reference to the accompanying drawings. 1 is a longitudinal sectional view of a modified sash showing a first embodiment of the present invention, FIG. 2 is a transverse sectional view of the modified sash of FIG. 1, and FIG. 3 is an exploded sectional view of the modified sash of FIG.
[0008]
In the present embodiment, an example in which the present invention is applied to a window sash is shown. As shown in FIGS. 1 to 3, a sash frame 4 of an existing sash 3 that is housed inside is provided in an opening 2 formed in a housing 1 of a building. The existing sash frame 4 is formed by assembling an upper frame 4a, a lower frame 4b, and left and right vertical frames 4c, 4c made of, for example, an aluminum extruded shape, into a rectangular frame shape. The upper frame 4a, the lower frame 4b, and the left and right vertical frames 4c and 4c are fixed to the inner periphery of the opening 2 in the housing 1 with fixing tools, for example, screws 5a to 5c. In particular, the lower frame 4 b is fixed on the window base 1 a in the housing 1.
[0009]
The existing sash frame 4 has mounting fins 6 on the outer periphery of the outdoor surface, and the mounting fins 6 are fixed to the outdoor surface of the housing 1 with fixing tools such as nails 7. A draining member 8 is fixed to the outdoor surface of the window sill 1a by the nail 7 together with the mounting fins 6 of the lower frame 4b. An exterior material 9 is provided on the outdoor surface of the housing 1.
[0010]
The existing sash 3 is a sliding sash, and the sash frame 4 has an outer rail support portion 10a and an inner rail support portion 10b having a height higher than the outer rail support portion 10a in the lower frame 4b in the outdoor direction. It has a stepped cross section to improve the drainage of rainwater. The outer rail support portion 10a is provided with a lower outer rail 11a for opening and closing an unillustrated external shoji, and the inner rail support portion 10b is provided with a lower inner rail 11b for opening and closing an unillustrated inner shoji. Yes.
[0011]
Further, a new sash (renovated sash) 12 for refurbishment having a newly installed sash frame 13 semi-externally attached to the inside (inner circumference) of the existing sash frame 4, preferably from the outer rail support portion 10a to the outdoor side, is provided. Mounted. The refurbished sash 12 is composed of a sliding sash in the illustrated example, and an unillustrated outer and inner shoji (not shown) is provided in the sash frame 13 so as to be freely opened and closed. The new sash frame 13 is formed by assembling an upper frame 13a, a lower frame 13b, and left and right vertical frames 13c, 13c into a rectangular frame shape.
[0012]
The upper frame 13a, the lower frame 13b, and the left and right vertical frames 13c and 13c are, in the illustrated example, an outdoor side shape 13x made of a metal, for example, an aluminum extruded shape, and an indoor side shape made of a metal, for example, an aluminum extruded shape. The material 13y is made of a heat insulating shape formed by joining a low thermal conductive material, for example, a resin bridge material 13z. The lower frame 13b is provided with a lower outer rail 14a on the outdoor shape 13x, and a lower inner rail 14b on the indoor shape 13y. The lower inner rail 14b and the lower outer rail 11a of the existing sash frame 4 are provided. Are substantially the same positions in the indoor and outdoor directions.
[0013]
The newly installed sash frame 13 has mounting fins 15 on the outer periphery at a substantially intermediate position in the indoor / outdoor direction. In order to mount the new sash frame 13 in the existing sash frame 4, a mounting member 16 is provided on at least the lower frame 4 b on the inner periphery of the existing sash frame 4 on the outdoor side. In the illustrated example, a mounting member 16 is provided on the inner periphery (four sides) of the existing sash frame 4 on the outdoor side. The attachment member 16 includes an upper attachment member 16a attached to the lower surface of the upper frame 4a along the longitudinal direction (left and right direction) so as to straddle the upper outer rail 17a, and an upper surface (on the outer rail support portion above the lower frame 4b). ) On the inner side of the left and right vertical frames 4c, 4c along the longitudinal direction (vertical direction) It consists of members 16c and 16c.
[0014]
These mounting members 16a, 16b, and 16c are made of, for example, an aluminum extruded profile. These mounting members 16a, 16b, and 16c are fixed to the existing sash frame 4 or the casing 1 with a fixing tool such as a screw 18, for example. In order to improve the mounting strength of the mounting member 16, it is preferable that the fixing tool, for example, the screw 18, passes through the existing sash frame 4 and is fixed to the housing 1 as shown in the drawing. In this case, the lower mounting member 16 b is fixed to the window base 1 a of the housing 1 with a fixing tool, for example, a screw 18.
[0015]
The outdoor surface of the mounting member 16 is a mounting surface 16f that is substantially the same as the outdoor surface of the existing sash frame 4, for example, a screen door rail. In the illustrated example, the lower mounting member 16b has a recess 16g for accommodating the lower screen door rail 19a so that the mounting surface 16f is flush with the outdoor surface of the lower screen rail 19a (see FIG. 3). Further, the facing surface of the mounting member 16 (for example, the upper surface of the lower mounting member) is a flat support surface 16h, and the interior side portion of the support surface 16h is directly or spaced from the mounting fin 15 of the newly installed sash frame 13. It is supported indirectly via the support 20.
[0016]
The spacer 20 includes an upper spacer (also referred to as an upper frame spacer) 20a interposed between the upper mounting member 16a and the upper frame 13a of the new sash frame 13, and a lower mounting member 16b and the new sash frame. 13 is a lower spacer (also referred to as a lower frame spacer) 20b interposed between the lower frame 13b, and the side portion between the side mounting member 16c and the vertical frame 13c of the new sash frame 13. Part spacer (also referred to as a vertical frame spacer) 20c. Each of the spacers 20 is divided into a plurality of parts, and is attached to several places adjacent to the support surface 16h of the attachment member 16 at an appropriate interval with a double-sided tape or the like. The spacer 20 is preferably formed of a low thermal conductive material such as a synthetic resin so as not to form a heat bridge between the outdoor shape 13x and the indoor shape 13y.
[0017]
In addition, the spacer 20 is formed by laminating a number of thin spacer plates via an adhesive or double-sided tape, and the thickness can be varied by peeling the spacer plate. preferable. In the illustrated example, the interior side portion of the newly installed sash frame 13 on the outer rail support portion 10a of the existing sash frame 4 is indirectly disposed via the lower mounting member 16b and the lower spacer 20b. Installed on.
[0018]
In order to prevent the new sash (renovated sash) 12 or the new sash frame 13 from falling down (forward), the lower sash frame 13 is provided on the lower surface of the lower frame 13b on the inner side of the mounting fin 15 of the new sash frame 13. One end of the (falling prevention metal fitting) 21 is fixed by a fixing tool such as a screw 22a, and the other end of the falling prevention member 21 is fixed to the lower frame 4a or the window base 1a of the existing sash frame 4 by a fixing tool such as a screw 22b. . In order to improve the attachment strength of the fall prevention member 21, it is preferable that the fixing tool, for example, the screw 22b penetrates the lower frame 4a of the existing sash frame 4 and is fixed to the window base 1a as shown in the drawing. The fall prevention member 21 is formed by bending a rigid metal plate as shown in the illustrated example, and an appropriate number is used according to the lateral width of the new sash frame 13.
[0019]
Further, in order to prevent the new sash 12 or the new sash frame 13 from being bent due to wind pressure, the upper frame 13a and the vertical frame 13b on the indoor side of the mounting fin 15 of the new sash 12 have the upper mounting member 16a and the side mounting member 16c. Each support surface 16h is fixed by a fixing tool such as a screw 23, respectively. And the attachment fin 15 of the said new sash frame 13 is fixed to the outdoor surface (attachment surface 16f) of the said attachment member 16 with the fastener, for example, screw (preferably tex screw) 24. FIG. In this case, the mounting fins 1 5 of the lower and side are fixed by being in direct contact to each of the mounting surface 16f of the lower attachment member 16b and the side mounting member 16c, the upper portion of the mounting fins 15 upper mounting member 16a Is fixed to the mounting surface 16f via the upper screen door rail 19b. In order to improve the accuracy and workability when machining screw holes with the tex screw 24, horizontal V grooves 25 are formed at predetermined pitch intervals in the vertical direction on at least the mounting surface 16f of the lower mounting member 16b. It is preferable (see FIG. 3).
[0020]
In the above case, in order to improve the appearance so that the head of the fixing tool is not exposed to the outside, a base frame 26 made of a U-shaped cross section is formed on the outdoor surface of the mounting fin 15. For example, the fixing member concealing cover material 27 made of a material having a substantially U-shaped cross section is attached to the base frame 26 by fitting together with the screws 24 by fitting. Further, in order to hide the draining member 8 of different colors, a draining cover member 28 made of an aluminum extruded shape with a colored coating or a colored film wrapped is attached to the surface of the draining member 8.
[0021]
On the other hand, in order to improve the appearance so that the existing sash frame 4 is not exposed to the indoor side, a decorative frame 29 covering the four sides is attached to the indoor side opening peripheral edge of the new sash frame 13, and the opening of the housing 1 A wooden decorative material 30 assembled in a square frame shape is attached to the four indoor side circumferences of the interior 2, and a pressing edge 31 abutting against the indoor end surface of the decorative frame 29 is provided on the inner periphery of the wooden decorative material 30. Mounted. The decorative frame 29 is formed by assembling, in a rectangular frame shape, with tapping screws 32, upper and lower frame materials 29a to 29c having a substantially L-shaped cross section made of an aluminum extruded shape whose surface is colored or wrapped with a colored film. The outer peripheral edge of the outdoor sash frame 13 is fixed to the indoor peripheral edge of the newly installed sash frame 13 with a fixing tool such as a countersunk screw 33.
[0022]
The ledge 31 is made up of upper, lower, left and right ledge materials 31a to 31c made of an aluminum extruded shape with colored coating or colored film wrapped, and the ledge materials 31a to 31c are fixed to the wooden decorative material 30. For example, it is fixed with a screw 34. In addition, a cap 35 made of a resin shaped material is fitted and attached to each of the edge materials 31a to 31c so that the head of the fixing tool is not exposed. By arranging the pressing edge 31 so as to be in contact with the interior surface of the decorative frame 29, the decorative frame 29 and the wooden decorative material 30 according to the relative size difference between the existing sash frame 4 and the new sash frame 13 are arranged. Even if there are any gaps between them, the gaps can be covered or hidden by corresponding or following them. It is preferable that an airtight material 36 is provided on either the indoor surface of the decorative frame 29 or the outdoor surface of the pressing edge 31 to seal between them.
[0023]
Next, the construction method and operation of the refurbished sash 3 having the above configuration will be described. First, the attachment member 16 is attached and fixed to the outdoor inner periphery (four turns) of the existing sash frame 4 with a fixing tool such as a screw 18. Then, the spacer 20 is appropriately attached to the support surface 16h that forms the inner periphery of the attachment member 16 so that the interior side portion of the attachment member 16 is just within the inner periphery of the attachment fin 15 of the newly installed sash frame 13. . In addition, one end of the fall prevention member 21 is attached and fixed in advance with a fixing tool such as a screw 22a on the lower surface of the lower frame 13b on the indoor side of the attachment fin 15 of the new sash frame 13.
[0024]
Next, the interior side portion of the newly installed sash frame 13 with respect to the mounting fin 15 is inserted into the inside (inner periphery) of the mounting member 16 in the existing sash frame 4 from the exterior side, and the interior side portion is inserted through the spacer 20. The mounting fin 16 is supported on the support surface 16h of the mounting member 16, and the mounting fin 15 is brought into contact with the mounting surface (outdoor surface) 16f of the mounting member 16. Then, the mounting fin 15 is fixed to the mounting surface 16 f of the mounting member 16 with a fixing tool such as a screw (text screw) 24. At this time, the base frame 26 of the fixing tool concealing cover material 27 is attached to the outdoor surface of the mounting fin 15 by fastening the screws 24, and then the fixing tool concealing cover material 27 is attached to the base frame 26. .
[0025]
Next, the other end of the fall prevention member 21 is fixed to the lower frame 4b of the existing sash frame 4 or the window base 1a with a fixing tool such as a screw 22b, and the upper frame 13a and the vertical frame 13c of the new sash frame 13 are fixed to the upper mounting member. It fixes to 16a and the side part attachment member 16c with the fixing tool, for example, the screw 23, respectively. When the installation of the new sash frame 13 is completed in this way, the decorative frame 29, the wooden decorative material 30, the pressing edge 31, and the draining cover material 28 may be attached. Then, by installing the shoji in the newly installed sash frame 13, the installation work of the modified sash 12 which is the newly installed sash is completed.
[0026]
According to the modified sash 12 having the above configuration, the existing sash frame 4 has an outer rail support portion 10a on the lower frame 4b and an inner rail support portion 10b having a height higher than the outer rail support portion 10a. The newly installed sash frame 13 has mounting fins 15 on the outer periphery in the middle of the indoor / outdoor direction, and the mounting fins 15 of the newly installed sash frame 13 on the outer rail support portion 10a of the existing sash frame 4 are provided. Since the indoor side portion is attached directly or indirectly through the attachment member 16, the indoor side portion is attached to the inner rail support portion 10 b of the existing sash frame 4 rather than the attachment fins 15 of the newly installed sash frame 13. Compared with the case of attachment, the opening of the newly-installed sash frame 13 can be ensured widely, and the daylighting can be improved.
[0027]
Further, a mounting member 16 is provided on at least the lower frame 4b on the outdoor inner periphery of the existing sash frame 4, and the outdoor surface of the mounting member 16 is substantially on the same surface as the outdoor surface of the window base 1a. The sash frame 13 has mounting fins 15 on the outer periphery in the middle of the indoor and outdoor directions, and the mounting fins 15 are fixed to the outdoor surface of the mounting member 16 with fixing tools such as screws 24. Even if the lower frame 4b of the frame 4 has a projecting portion 50 projecting from the outer surface of the window base 1a, the new sash frame 13 can be easily attached without cutting out the projecting portion 50. Can improve the performance. In the illustrated example, since the mounting member 16 is provided on the inner periphery (four sides) of the existing sash frame 4, the mounting fin 15 can be securely and easily mounted on the outer surface of the mounting member 16. In addition, improvement in workability and airtightness can be achieved.
[0028]
Further, the newly installed sash frame 13 has a mounting fin 15 on the outer periphery in a substantially intermediate position in the indoor / outdoor direction. And the other end of the fall prevention member 21 is fixed to the lower frame 4b of the existing sash frame 4 or the window base 1a. 13 or the front sash 12 can be prevented easily and reliably.
[0029]
FIG. 4 is a longitudinal sectional view of a modified sash showing a second embodiment of the present invention, and FIG. 5 is a transverse sectional view of the modified sash of FIG. In the present embodiment, an example in which the present invention is applied to a terrace sash is shown. In the embodiment of FIGS. 4 to 5, the same parts as those of the embodiment of FIGS. 1 to 2 are denoted by the same reference numerals and the description thereof is omitted, and different parts are described. Since the existing sash 3 is a terrace sash, a floor 40 is provided on the indoor side with respect to the indoor end of the lower frame 4 b of the existing sash frame 4.
[0030]
On the upper surface of the floor 40, a lower frame auxiliary material 41 is attached and fixed by a fixing tool such as a screw 42 in contact with the indoor end of the lower frame material 29 b of the decorative frame 29 instead of the lower pressing material. The upper surface of the lower frame auxiliary member 41 and the upper surface of the lower frame member 29b are formed substantially flush with each other so that they can walk. Further, the lower frame reinforcing member 43 having an L-shaped cross section extends in the width of the lower frame 13b across the lower surface of the outdoor portion and the outdoor surface of the mounting fin 15 rather than the mounting fin 15 in the lower frame 13b of the newly installed sash frame 13. A suitable number is provided accordingly. The fall prevention member 21 is the same as the fall prevention member 21 in the embodiment of FIG. According to the modified sash of the present embodiment having the above-described configuration, the same operational effects can be achieved by being configured in the same manner as in the above-described embodiment.
[0031]
Although the embodiments of the present invention have been described in detail with reference to the drawings, the present invention is not limited to the above-described embodiments, and various design changes and the like can be made without departing from the scope of the present invention. is there. For example, the indoor side portion may be directly attached to the outer rail support portion of the existing sash frame rather than the attachment fins of the new sash frame. The sash frame of the existing sash may be a heat insulating structure. The sash frame of the remodeled sash does not necessarily have a heat insulating structure, and the window type of the remodeled sash is not limited to the sliding sash. Furthermore, the existing sash is not limited to internal storage, but may be semi-external storage.
[0032]
【Effect of the invention】
In summary, according to the first invention of the present invention, there is provided a modified sash having a semi-externally attached sash frame attached to a sash frame of an existing sash attached to an opening of a building, The existing sash frame has an outer rail support part on the lower frame and an inner rail support part that is higher than the outer rail support part. It has mounting fins, and a mounting member is mounted on the outer periphery of the existing sash frame to mount the newly installed sash frame. The mounting member crosses the upper outer rail on the lower surface of the upper frame in the left-right direction. An upper mounting member that is attached to the lower frame, a lower mounting member that is mounted on the outer rail support portion on the upper surface of the lower frame in a horizontal direction with the lower outer rail straddled, and a side that is mounted on the inner side surface of the left and right vertical frames in the vertical direction This consists of a part mounting member Since the outdoor surface of the mounting member is used as a mounting surface for mounting the mounting fin, and the opposing surface of these mounting members is used as a support surface for supporting the indoor side portion of the new sash, the opening of the new sash frame Can be secured widely, and the daylighting property can be improved.
According to the second invention, in addition to the effects of the first invention, since the spacer made of a low heat conductive material is disposed on the support surface , the mounting member can be prevented from becoming a heat bridge.
[Brief description of the drawings]
FIG. 1 is a longitudinal sectional view of a modified sash showing a first embodiment of the present invention.
FIG. 2 is a cross-sectional view of the modified sash of FIG.
FIG. 3 is an exploded cross-sectional view of the modified sash of FIG.
FIG. 4 is a longitudinal sectional view of a modified sash showing a second embodiment of the present invention.
FIG. 5 is a cross-sectional view of the modified sash of FIG.
[Explanation of symbols]
2 Opening 3 Existing sash 4 Existing sash frame 10a Outer rail support 10b Inner rail support 12 Refurbished sash 13 New sash frame 15 Mounting fin 16 Mounting member

Claims (2)

A refurbished sash having a semi-externally attached sash frame attached to a sash frame of an existing sash attached to an opening of a building, wherein the existing sash frame has an outer rail support portion on the lower frame, and The new sash frame has a mounting fin on the outer periphery in the middle of the indoor / outdoor direction for attaching the new sash frame. An attachment member is attached to the inner periphery of the outdoor sash frame on the outside, and the attachment member is attached to the lower surface of the upper frame in the horizontal direction with the upper outer rail on the lower surface of the upper frame, and the outer rail of the upper surface of the lower frame It consists of a lower mounting member that is mounted in the left-right direction while straddling the lower outer rail on the support portion, and a side mounting member that is mounted in the vertical direction on the inner side surface of the left and right vertical frames, and the outdoor surfaces of these mounting members are Attaching the mounting fin Of the the mounting surface, renovation sash, characterized in that the facing surfaces of the mounting member is a supporting surface for supporting the interior side portion of the new sash. A refurbished sash having a semi-externally attached sash frame attached to a sash frame of an existing sash attached to an opening of a building, wherein the existing sash frame has an outer rail support portion on the lower frame, and The new sash frame has a mounting fin on the outer periphery in the middle of the indoor / outdoor direction for attaching the new sash frame. An attachment member is attached to the inner periphery of the outdoor sash frame on the outside, and the attachment member is attached to the lower surface of the upper frame in the horizontal direction with the upper outer rail on the lower surface of the upper frame, and the outer rail of the upper surface of the lower frame It consists of a lower mounting member that is mounted in the left-right direction while straddling the lower outer rail on the support portion, and a side mounting member that is mounted in the vertical direction on the inner side surface of the left and right vertical frames, and the outdoor surfaces of these mounting members are Attaching the mounting fin Is a mounting surface, renovated opposing surfaces of the mounting member is a supporting surface of the interior portion of the new sash is supported lifting, the said supporting surface is arranged a spacer made of low thermal conductivity material, wherein Rukoto sash.

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