JP2018025052A - Renovation sash and construction method of renovation sash - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a renovation sash and a construction method of the renovation sash capable of allowing a new frame to be easily attached without depending on the shape of an existing frame or a building frame, and capable of being fixed to the building frame as fewer as possible.SOLUTION: A renovation sash 1 includes a new frame 4 which is disposed at the inner peripheral side of an existing frame 2 which is attached to an opening 12 in a wall 11 partitioning between indoor and outdoor. The renovation sash has an attachment 5 which is fixed to the existing frame 2 and to which the new frame 4 is fixed. The attachment 5 can be adjusted in a shape so as to be fixed to the existing frame 2.SELECTED DRAWING: Figure 2

Description

  The present invention relates to a retrofit sash and a method of constructing a retrofit sash.

  Conventionally, when refurbishing a sash, the frame (new frame) of the renovation sash (new sash) is directly fixed to the frame of the existing sash (existing frame) or the frame with a fixing tool such as a screw (for example, patent) Reference 1).

JP 2014-234679 A

  However, depending on the shape of the existing frame or housing, the new frame may not be directly fixed to the existing frame or housing. Further, depending on the shape of the existing frame or the case, the positioning operation of the new frame with respect to the existing frame or case may be complicated. Moreover, there is a possibility that the case may be damaged by fixing the new frame to the case.

  Accordingly, the present invention provides a refurbished sash and a method for constructing a refurbished sash that can be easily attached to a new frame regardless of the shape of the existing frame or the case and can be fixed to the case as much as possible. For the purpose.

In order to achieve the above object, a refurbishment sash according to the present invention is a refurbishment sash having a new frame provided on an inner peripheral side of an existing frame attached to an opening of a wall part that partitions the room and the outside. It has an attachment that is fixed to the existing frame and to which the new frame is fixed,
The attachment is adjustable to a shape that can be fixed to the existing frame.

  Further, in the method for constructing a sash for refurbishment according to the present invention, in the method for constructing a sash for refurbishment in which a new frame is attached to an existing frame provided in an opening of a wall part that separates the room from the outside, an attachment is attached to the existing frame. An attachment fixing step of fixing, and a new frame fixing step of fixing the new frame to the attachment, wherein the attachment fixing step adjusts the shape of the attachment to a shape that can be fixed to the existing frame, and It is fixed to an existing frame.

In the present invention, since the attachment can be adjusted to a shape that can be fixed to the existing frame, the attachment can be fixed to the existing frame regardless of the shape of the existing frame. And in this invention, since it is the structure which fixes a new frame to the attachment fixed to the existing frame, a new frame can be fixed to an existing frame via an attachment irrespective of the shape of an existing frame or a housing.
Further, since the attachment is fixed to the existing frame, it is possible to reduce the need to insert a fixing tool such as a screw into the housing in order to install the new frame.

In the refurbishment sash according to the present invention, the attachment may be fixed to the existing frame from the indoor side, and the new frame may be fixed to the attachment from the indoor side.
Since the attachment can be fixed to the existing frame and the new frame can be fixed to the attachment from the indoor side, the new frame can be installed from the indoor side. For this reason, when installing a new installation frame, the work performed from the outdoor side can be reduced or eliminated.

In the retrofit sash according to the present invention, the attachment may be capable of adjusting a position in a height direction with respect to a lower frame of the existing frame.
By being configured in this way, the lower frame of the new frame can be easily attached by adjusting the height of the attachment in accordance with the height at which the lower frame of the new frame is attached.

In the refurbishment sash according to the present invention, a frame is provided on the indoor side of the existing frame, and an angle cover that covers a gap between the new frame and the frame, and the angle cover is fixed to the frame. Auxiliary members may be provided.
By setting it as such a structure, an angle cover can be easily fixed to a frame with an auxiliary member. Moreover, the appearance from the indoor side can be improved by providing the angle cover.

Further, in the refurbishment sash according to the present invention, the new frame has an end surface abutting member that abuts an end surface on the outdoor side of the existing frame, and the end surface abutting member is connected to an end surface on the outdoor side of the existing frame. When coming into contact, the new frame may be arranged at the normal position.
By setting it as such a structure, positioning of a new installation frame can be performed easily. For example, when the end face on the outdoor side of the existing frame is the end face of the screen door rail, the new frame can be easily positioned by bringing the new frame into contact with the end face of the screen door rail.

The refurbishment sash according to the present invention may further include an airtight material that closes a gap between the existing frame and the new frame, and the airtight material may be provided on the indoor side of the new frame.
By setting it as such a structure, an airtight material can be installed from the indoor side.

  According to the present invention, it is possible to easily attach the new frame regardless of the shape of the existing frame or the frame, and it is possible to minimize the fixing to the frame as much as possible.

It is a disassembled perspective view which shows the outline of the sash for renovation by embodiment of this invention. It is sectional drawing orthogonal to the finding direction which shows an existing upper frame, a new upper frame, and an upper frame attachment. (A) is a plan view of the spacer, (b) is a side view of the spacer, (c) is a diagram for explaining the spacer arranged in a wide gap, and (d) is a spacer arranged in the narrow gap. It is a figure explaining. It is a figure explaining the angle cover provided in a newly installed upper frame and a newly installed lower frame. It is sectional drawing orthogonal to the finding direction which shows an existing lower frame, a new lower frame, and a lower frame attachment. It is sectional drawing orthogonal to the finding direction which shows an existing vertical frame, a new vertical frame, and a lower vertical attachment. It is a figure explaining the angle cover provided in a vertical frame. It is a figure explaining the member provided between the existing vertical frame in case a shutter and a shutter are provided, and a new vertical frame. It is sectional drawing orthogonal to the finding direction which shows the existing upper frame without an angle part, a new upper frame, and an upper frame attachment. It is sectional drawing orthogonal to the finding direction which shows the existing lower frame without an angle part, a new lower frame, and a lower frame attachment. It is sectional drawing orthogonal to the finding direction which shows the existing vertical frame without an angle part, a new vertical frame, and a lower vertical attachment.

Hereinafter, a refurbishing sash and a refurbishing sash construction method according to an embodiment of the present invention will be described with reference to FIGS.
A remodeling sash 1 according to the present embodiment shown in FIG. 1 is used when refurbishing a sash provided in an opening 12 of a wall 11 that separates the room from the outside. The renovation of the sash is performed in a state where the sash shoji (not shown) of the existing sash 13 is removed and the sash frame 2 of the existing sash 13 (hereinafter referred to as the existing frame 2) is left without being removed.
In the present embodiment, the frame 3 is provided along the edge of the opening 12 on the indoor side of the existing frame 2.
The existing frame 2 includes an existing upper frame 21 and an existing lower frame 22 that extend in the direction of finding (horizontal direction along the wall portion 11), and upper ends of the existing upper frame 21 and the existing lower frame 22 that extend in the vertical direction. And a pair of existing vertical frames 23 and 24 disposed between the first and lower end portions.

The newly constructed sash 1 includes a sash frame 4 (hereinafter referred to as a new frame 4), a sash shoji (not shown), an attachment 5 fixed to the existing frame 2 to which the new frame 4 is fixed, And an airtight material 6 for airtightness between the frame 2 and the new frame 4.
The new frame 4 is arranged between a new upper frame 41 and a new lower frame 42 extending in the direction of finding, and an upper end and a lower end of each of the new upper frame 41 and the new lower frame 42 extending in the vertical direction. And a pair of newly installed vertical frames 43 and 44.

  The attachment 5 includes an upper frame attachment 51 fixed to the existing upper frame 21 and fixed to the new upper frame 41, a lower frame attachment 52 fixed to the existing lower frame 22 and fixed to the new lower frame 42, and a pair of attachments A vertical frame attachment 53 fixed to one of the existing vertical frames 23 of the existing vertical frames 23 and 24 and to which one of the new vertical frames 43 of the pair of new vertical frames 43 and 44 is fixed, and a pair of existing vertical frames 23, 24 and a vertical frame attachment 54 fixed to the other new vertical frame 44 of the pair of new vertical frames 43 and 44.

  The airtight material 6 includes an upper frame airtight material 61 that performs airtightness between the existing upper frame 21 and the new upper frame 41, and a lower frame airtight material 62 that performs airtightness between the existing lower frame 22 and the new lower frame 42. And vertical frame airtight members 63 and 64 for airtightness between the existing vertical frames 23 and 24 and the newly installed vertical frames 43 and 44.

  As shown in FIG. 2, the existing upper frame 21 has a base 211 arranged immediately below the upper edge of the opening 12, and protrudes upward from the base 211, and is fixed to the wall 11 from the outdoor side above the opening 12. A fixed portion 212, a screen door rail 213 extending downward from the outdoor end of the base portion 211, an outdoor rail 214 extending downward from a position on the indoor side of the screen door rail 213 of the base portion 211, and a base portion The indoor side rail 215 extends downward from a position on the indoor side of the outdoor side rail 214 of the 211, and the angle part 216 connected to the indoor side end of the base 211.

The base 211 is formed in a substantially flat plate shape, and is arranged in a direction in which the plate surface is a substantially horizontal plane.
The fixing portion 212 is formed in a substantially flat plate shape, and is arranged in a direction that becomes a vertical surface in which the plate surface faces the prospective direction (horizontal direction orthogonal to the finding direction).
The screen door rail 213 is a member that supports a screen door (not shown) of an existing sash. The outdoor rail 214 is a member that supports an outdoor sash shoji (not shown) of an existing sash. The indoor rail 215 is a member that supports an indoor sash shoji (not shown) of an existing sash. These screen door rails 213, outdoor rails 214, and indoor rails 215 are each formed in a substantially flat plate shape, and are arranged in a direction in which the plate surface is a substantially vertical surface that faces the prospective direction.

  The angle portion 216 includes a first angle portion 217 extending downward from the indoor side edge of the base 211 and a second angle portion 218 extending from the lower edge of the first angle portion 217 toward the indoor side. Yes. The first angle portion 217 is in contact with the end face on the outdoor side of the frame 3 or opposed with a slight gap. The second angle portion 218 is in contact with or opposed to the vicinity of the outdoor end portion of the lower surface of the frame 3 with a slight gap.

  The new upper frame 41 includes a base 411 disposed immediately below the upper frame attachment 51 fixed to the existing upper frame 21, an existing screen door rail abutting portion 412 that protrudes upward from an outdoor end of the base 411, A screen door rail 413 projecting downward from the outdoor end of the base portion 411, an outdoor rail 414 extending downward from a position facing the indoor side relative to the screen door rail 413 of the base portion 411, and the outdoor rail of the base portion 411 A room-side rail 415 extending downward from a position facing the indoor side of the base 411 and a position facing the outdoor side of the base 411, and an upper side from the end of the base 411 on the indoor side. A resin cover support portion 416 extending downward, and a resin cover 417 locked to the indoor rail 415 and the resin cover support portion 416 are provided.

The base 411 is formed in a substantially flat plate shape, and is arranged in a direction in which the plate surface is a substantially horizontal plane.
The existing screen rail abutting portion 412 is formed in a substantially flat plate shape, and a flat plate portion 412a arranged in a direction in which the plate surface is a substantially vertical surface facing the expected direction, and protrudes indoors from the upper end portion of the flat plate portion 412a. A first projecting portion 412b, a second projecting portion 412c projecting indoors from an intermediate portion in the height direction of the flat plate portion 412a, an airtight material support portion 412d provided below the second projecting portion 412c, It has the upper airtight material 412e arrange | positioned under the 1 protrusion part 412b, and the lower airtight material 412f supported by the airtight material support part 412d.

  When the newly installed upper frame 41 is fixed to the existing upper frame 21 via the upper frame attachment 51, the tip ends of the first protruding portion 412b and the second protruding portion 412c are arranged at the existing screen door rail contact portion 412. It is comprised so that it may contact | abut on the outdoor side surface of 21 screen door rails 213. At this time, the upper airtight material 412e is configured to contact the upper side of the screen door rail 213 of the existing upper frame 21, and the lower airtight material 412f is configured to contact the lower end portion of the screen door rail 213 of the existing upper frame 21. . The upper airtight material 412e and the lower airtight material 412f extend in the finding direction, and both end portions in the finding direction are in contact with the base portions 431 (see FIG. 6) of the newly installed vertical frames 43 and 44.

  The screen door rail 413 is a member that supports the screen door (not shown) of the newly installed sash. The outdoor rail 414 is a member that supports an outdoor sash shoji (not shown) of an existing sash. The indoor rail 415 is a member that supports an indoor sash shoji (not shown) of an existing sash. These screen door rails 413, outdoor rails 414, and indoor rails 415 are each formed in a substantially flat plate shape, and are arranged in a direction in which the plate surface is a substantially vertical surface facing the prospective direction.

The resin cover support part 416 is formed in a substantially flat plate shape, and is arranged in a direction in which the plate surface is a substantially vertical surface facing the prospective direction.
The resin cover 417 includes a room-side rail cover part 417a arranged along the room-side surface of the room-side rail 415, and a base part arranged along the lower surface of the portion of the base part 411 on the room-side side from the room-side rail 415. Cover portion 417b, locked portion 417c extending downward from the indoor end of base cover portion 417b and locked to resin cover support portion 416, and extending from the lower end of the locked portion to the indoor side An indoor side extending portion 417d.
The new upper frame 41 is formed with drain holes 418 for discharging water such as rainwater that has entered the inside of the new upper frame 41 from the outside at both ends in the direction of finding. The water flowing out from the drain hole 418 is transferred to the lower side of the new lower frame 42 through the new vertical frames 43 and 44.

  The upper frame attachment 51 has a first member 71 and a second member 72. The first member 71 and the second member 72 are fixed to the existing upper frame 21 in a connected state. The 1st member 71 and the 2nd member 72 are comprised so that adjustment of the position connected in the predetermined range of a prospective direction is possible. By adjusting the position where the first member 71 and the second member 72 are connected, the upper frame attachment 51 can be fixed to the existing upper frame 21 regardless of the shape of the existing upper frame 21. In the present embodiment, a plurality of sets of one first member 71 and one second member 72 are fixed to the existing upper frame 21 at intervals in the direction of finding.

  The first member 71 includes a first connecting portion 711 and a second connecting portion 712 that are connected to the second member 72, a first fixing portion 713 that is fixed to the base portion 211 of the existing upper frame 21, and a first connecting portion 711. And a second connecting portion 712 that connects the second connecting portion 712 and the first fixing portion 713. The first connecting portion 711, the second connecting portion 712, the first fixing portion 713, the first connecting portion 714, and the second connecting portion 715 are integrally formed by processing a metal plate or the like.

The 1st connection part 711, the 2nd connection part 712, and the 1st fixing | fixed part 713 are each formed in the substantially flat shape, and are arrange | positioned in the direction from which a board surface turns into a horizontal surface. The first connecting portion 711 is disposed on the outdoor side and on the upper side of the second connecting portion 712, and the indoor side edge of the first connecting portion 711 is on the upper side in the vertical direction of the outside edge of the second connecting portion 712. Has been placed. The second connecting part 712 is disposed on the lower side in the vertical direction of the first fixing part 713.
The first connection part 714 and the second connection part 715 are each formed in a substantially flat plate shape, and are arranged in a direction in which the plate surface is a substantially vertical surface facing the prospective direction. The first connecting part 714 has an upper end connected to the indoor edge of the first connecting part 711 and a lower end connected to the outdoor edge of the second connecting part 712. The second connection part 715 has an upper end connected to the outer edge of the first fixing part 713 and a lower end connected to an intermediate part in the prospective direction of the second connection part 712.

The first connection portion 714 is disposed on the outdoor side of the second connection portion 715, and the lower side of the indoor rail 215 of the existing upper frame 21 is inserted between the first connection portion 714 and the second connection portion 715. An indoor rail insertion portion 716 is formed. When the indoor rail 215 of the existing upper frame 21 is inserted into the indoor rail insertion portion 716, the lower end portion of the indoor rail 215 is configured to come into contact with the upper surface of the second connecting portion 712.
In the first connecting portion 711, a plurality of two screw holes 711a arranged at intervals in the prospective direction are formed at intervals in the finding direction. A plurality of screw holes 712a are formed in the second connecting portion 712 at intervals in the finding direction. A plurality of screw holes 713a are formed in the first fixing portion 713 at intervals in the finding direction.

  The second member 72 is connected to the first member 71 by a third connecting portion 721 and a fourth connecting portion 722, and is connected to the third connecting portion 721 and fixed to the outdoor rail 214 of the existing upper frame 21. A fixing portion 723; a third fixing portion 724 and a fourth fixing portion 725 to which the newly installed upper frame 41 is fixed; a third connecting portion 726 that connects the second fixing portion 723 and the third fixing portion 724; The fourth connecting portion 727 that connects the fixing portion 724 and the fourth connecting portion 722, the fifth connecting portion 728 that connects the fourth connecting portion 722 and the fourth fixing portion 725, and the second fixing portion 723 are connected. An outdoor rail abutting portion 729 with which the lower end of the outdoor rail 214 abuts. These third connecting part 721, fourth connecting part 722, second fixing part 723, third fixing part 724, fourth fixing part 725, third connecting part 726, fourth connecting part 727, fifth connecting part 728 and The outdoor rail contact portion 729 is integrally formed by processing a metal plate or the like.

The 3rd connection part 721 and the 4th connection part 722 are formed so that a plate | board surface may turn into a flat surface and a horizontal surface may become a horizontal surface. A plurality of elongated holes 721a extending in the prospective direction are formed in the third connecting portion 721 at intervals in the finding direction.
The third connection part 721 is configured to be connected to the first connection part 711. The first connecting part 711 and the third connecting part 721 are adjusted in the prospective direction by the screw 70a inserted into the screw hole 711a of the first connecting part 711 and the long hole 721a of the third connecting part 721. It can be connected with. At this time, since the two screw holes 711a are formed in the first connecting portion 711 with an interval in the prospective direction, the first connecting portion 711 and the two screw holes 711a A connection position with the 3rd connection part 721 can be adjusted.

The fourth connecting part 722 is configured to be connected to the second connecting part 712. A plurality of elongated holes 722a extending in the prospective direction are formed in the fourth connecting portion 722 at intervals in the finding direction. The second connecting part 712 and the fourth connecting part 722 have their positions adjusted in the expected direction by screws 70b inserted into the screw holes 712a of the second connecting part 712 and the long holes 722a of the fourth connecting part 722. It can be connected with.
In addition, since the 1st connection part 711 and the 2nd connection part 712 are integral, and the 3rd connection part 721 and the 4th connection part 722 are integral, between the 1st connection part 711 and the 3rd connection part 721, it is. The position adjustment and the position adjustment of the second connecting part 712 and the fourth connecting part 722 are performed simultaneously.

The second fixing portion 723 is formed in an inclined flat plate shape gradually moving from the position facing the indoor side to the indoor side with respect to the edge portion on the outdoor side of the third connecting portion 721 from the upper side toward the lower side. A plurality of screw holes 723a are formed in the second fixing portion 723 at intervals in the finding direction. A screw 70c for fixing the outdoor side rail 214 of the existing upper frame 21 to the second fixing portion 723 is inserted through the screw hole 723a.
The third fixing portion 724 and the fourth fixing portion 725 are formed in a substantially flat plate shape and are arranged at substantially the same height in a direction in which the plate surface becomes a horizontal plane. The third fixing portion 724 is disposed on the indoor side with respect to the fourth fixing portion 725.

The third connection portion 726 connects the lower edge portion of the second fixing portion 723 and the outer edge portion of the third fixing portion 724. The second fixing portion 723 is disposed on the outdoor side and above the third fixing portion 724. For this reason, the 3rd connection part 726 is formed in the flat plate shape which inclined toward the downward side gradually toward the indoor side from the outdoor side.
The fourth connecting portion 727 connects the indoor side edge portion of the third fixing portion 724 and the outdoor side edge portion of the fourth connecting portion 722, and the third fixing portion 724 is connected to the fourth connecting portion 722. Is also arranged outside and below the room. For this reason, the 4th connection part 727 is formed in the flat plate shape inclined toward the upper side gradually toward the indoor side from the outdoor side.
The fifth connecting portion 728 connects the indoor side edge portion of the fourth connecting portion 722 and the outdoor side edge portion of the fourth fixing portion 725, and the fourth connecting portion is more than the fourth fixing portion 725. It is arranged on the outdoor side and the upper side. For this reason, the 5th connection part 728 is formed in the flat plate shape inclined toward the downward direction gradually toward the indoor side from the outdoor side.
The outdoor rail contact portion 729 protrudes from the lower edge portion of the second fixing portion 723 to the outdoor side.

Here, a method for fixing the upper frame attachment 51 to the existing upper frame 21 will be described (attachment fixing step).
First, the first connecting portion 711 of the first member 71 and the third connecting portion 721 of the second member 72 are connected, and the second connecting portion 712 of the first member 71 and the fourth connecting portion 722 of the second member 72 are connected. Are connected to connect the first member 71 and the second member 72. At this time, the indoor rail of the existing upper frame 21 can be inserted into the indoor rail insertion portion 716 of the connected first member 71 and second member 72, and the outdoor rail 214 is inserted into the outdoor rail contact portion 729. The position of the prospective direction of the first member 71 and the second member 72 is adjusted so that the lower end portion of the first member 71 and the second member 72 can come into contact with each other.

When the first member 71 and the second member 72 are connected, the indoor rail 215 of the existing upper frame 21 is inserted into the indoor rail insertion portion 716, and the lower end of the outdoor rail 214 is connected to the outdoor rail contact portion 729. Make contact. As a result, the first connecting portion 711 and the first connecting portion 714 of the first member 71 and the third connecting portion 721 and the second fixing portion 723 of the second member 72 are connected to the indoor side rail 215 and the outdoor side rail of the existing upper frame 21. 214.
In this state, the first fixing portion 713 is fixed to the base portion 211 of the existing upper frame 21 with the screws 70d, and the second fixing portion 723 is fixed to the outdoor rail 214 with screws, so that the upper frame attachment 51 is attached to the existing upper frame 21. Fixed to. In the present embodiment, since the second fixing portion 723 is inclined, the second fixing portion 723 can be fixed to the outdoor rail 214 in a direction inclined from the indoor side.

Next, a method for fixing the new upper frame 41 to the upper frame attachment 51 fixed to the existing upper frame 21 will be described (new frame fixing step).
First, the new upper frame 41 is disposed below the upper frame attachment 51, and the base 411 of the new upper frame 41 is attached to the third fixing portion 724 and the fourth fixing portion 725 of the second member 72 of the upper frame attachment with screws 70e. Fix it. At this time, since the base cover part 417b of the resin cover 417 is provided in the part of the base part 411 of the newly installed upper frame 41 that is fixed to the fourth fixing part 725, the resin cover 417 and the base part 411 also have the fourth fixing part 725. It is fixed with screws 70e.
Thereby, the new upper frame 41 is fixed to the existing upper frame 21 via the upper frame attachment 51.

  The new frame 4 is arranged on the inner peripheral side of the existing upper frame 21 in a steadily manner in a rectangular frame state in which the new upper frame 41, the new lower frame 42, and the new vertical frames 43, 44 are connected. For this reason, when the new frame 4 is disposed on the inner peripheral side of the existing frame 2, a gap is generated between the new upper frame 41 and the upper frame attachment 51. For this reason, in this embodiment, the spacer 9 is arranged in the gap between the newly installed upper frame 41 and the upper frame attachment 51. Specifically, the spacer 9 is disposed between the base 411 of the new upper frame 41 and the third fixing portion 724 and the fourth fixing portion 725 of the upper frame attachment 51.

As shown in FIGS. 3A to 3D, the spacer 9 includes a first spacer plate 91 and a second spacer plate 92 that are arranged so as to face each other in the vertical direction. The first spacer plate 91 and the second spacer plate 92 are formed on inclined surfaces whose surfaces facing each other are parallel to each other. This inclined surface is an inclined surface that gradually moves downward from one side in the finding direction toward the other side. When the first spacer plate 91 and the second spacer plate 92 are overlapped and moved relative to each other in the direction of finding, the thickness of the overlap of the first spacer plate 91 and the second spacer plate 92 can be adjusted.
For example, when the first spacer plate 91 is disposed on the upper side of the second spacer plate 92 and the lower surface of the first spacer plate 91 and the upper side of the second spacer plate 92 are inclined surfaces, as shown in FIG. When the first spacer plate 91 is moved to one side in the direction of finding with respect to the second spacer plate 92, the first spacer plate 91 and the second spacer plate 92 are overlapped as shown in FIG. As compared with the case where the first spacer plate 91 and the second spacer plate 92 are stacked, the thickness of the first spacer plate 91 and the second spacer plate 92 can be increased.

  In addition, the first spacer plate 91 and the second spacer plate 92 have a plurality of grooves extending in the prospective direction on the respective inclined surfaces along the inclined direction, and the inclined surfaces are jagged surfaces. As a result, when the first spacer plate 91 and the second spacer plate 92 are overlapped so that the combined thickness of the first spacer plate 91 and the second spacer plate 92 is a predetermined thickness, the inclined surfaces are slid in the inclined direction by fitting the jagged surfaces. It is possible to maintain the overlapping state so as to have a predetermined thickness without any problems. Then, the spacer 9 having a predetermined thickness is disposed between the base portion 411 of the newly installed upper frame 41 and the third fixing portion 724 and the fourth fixing portion 725 of the upper frame attachment 51.

As shown in FIG. 2, in this embodiment, an angle cover 81 and an auxiliary member 82 are provided on the indoor side of the new upper frame 41. The angle cover 81 is a member extending in the direction of finding, and the lower end portion is fixed to the indoor extending portion 417d of the resin cover, and the upper end portion is locked to the auxiliary member 82 fixed to the frame 3.
The angle cover 81 includes a hollow portion 811 disposed on the lower side, a flat plate portion 812 connected to the upper side of the hollow portion 811, and a plurality of protrusions 813 projecting outward from the flat plate portion 812. have. The angle cover 81 is made of resin or the like. As shown in FIG. 4, the angle cover 81 has a flat plate portion 812 that is long in the vertical direction, and a plurality of protrusions 813 that are formed at intervals over the entire height direction of the flat plate portion 812. The flat plate portion 812 is configured to be cut in accordance with the dimensions of the indoor side extending portion 417 d of the resin cover 417 and the frame 3. In the present embodiment, the flat plate portion 812 has a cut formed in the vicinity of the base end portion of each of the protruding portions 813 so as to be easily cut.

  The auxiliary member 82 is a member that extends in the direction of finding, and protrudes downward from a flat frame-shaped frame contact portion 821 that is fixed in contact with the lower surface of the frame, and an outdoor end of the frame contact portion 821. And a second protrusion 823 that protrudes downward from an intermediate portion in the prospective direction of the frame contact portion 821. Between the 1st protrusion part 822 and the 2nd protrusion part 823, it is comprised so that the flat plate part 812 and projection part 813 of the angle cover 81 may be arrange | positioned. The first protrusion 822 is formed with a claw 824 that protrudes toward the second protrusion 823. The nail | claw part 824 is between the adjacent protrusion parts 813 provided in the flat plate part 812 arrange | positioned between the 1st protrusion part 822 and the 2nd protrusion part 823, or between the protrusion part 813 and the hollow part 811. It is configured to enter. Thereby, the auxiliary member 82 can lock the upper end side of the angle cover 81.

The upper frame airtight member 61 includes a first airtight member 611 provided so as to extend from the angle portion of the existing upper frame 21 to the frame 3 and a first cover member 416 of the new upper frame 41 provided so as to extend from the frame 3. 2 airtight material 612.
As the first airtight material 611 and the second airtight material 612, for example, an airtight tape having a dry structure in which an aluminum foil and a butyl rubber adhesive are laminated is used. The first airtight material 611 and the second airtight material 612 are provided over the entire direction in which the existing upper frame 21, the new upper frame 41 and the frame 3 are found, and a portion provided in the frame 3 of the second airtight material 612 is provided. The first airtight member 611 is attached so as to be laminated on a portion provided in the frame 3.

Here, a method of installing the upper frame airtight material 61 will be described (airtight material installation step).
First, before installing the upper frame attachment 51 and the new upper frame 41 on the inner peripheral side of the existing upper frame 21, it extends from the angle portion 216 of the existing upper frame 21 to the frame 3 over the entire direction in which the existing upper frame 21 and the frame 3 are found. Thus, the first airtight material 611 is provided (first airtight material installation step).
Subsequently, after the upper frame attachment 51 and the new upper frame 41 are installed, the resin cover support portion 416 of the new upper frame 41 and the frame 3 are extended over the entire direction in which the new upper frame 41 and the frame 3 are found. The 2nd airtight material 612 is provided so that it may overlap with 611 (2nd airtight material installation process).
In this way, the upper frame airtight member 61 is installed. When the upper frame airtight member 61 is installed, the angle cover 81 and the auxiliary member 82 can be installed.

  The existing lower frame 22 includes a base 221 disposed immediately above the lower edge of the opening 12, a fixed portion 222 that protrudes downward from the base 221 and is fixed to the wall 11 from the outdoor side, and an outdoor side of the base 221. From the screen door rail 223 extending up and down from the end of the base, the outdoor rail 224 extending upward from the position on the indoor side of the screen door rail 223 of the base 221, and the position on the indoor side of the outdoor rail 224 of the base 221 An indoor rail 225 extending upward and an angle portion 226 connected to the indoor end of the base 221 are provided.

The base 221 is formed in a staircase shape in which the upper surface is on the lower side of the outdoor side than the indoor side.
The fixing portion 222 is formed in a substantially flat plate shape and is arranged in a direction that becomes a vertical surface in which the plate surface faces the prospective direction.
The screen door rail 223 is a member that supports a screen door (not shown) of an existing sash. The outdoor rail 224 is a member that supports an outdoor sash shoji (not shown) of an existing sash. The indoor rail 225 is a member that supports an indoor sash shoji (not shown) of an existing sash. The screen door rail 223, the outdoor side rail 224, and the indoor side rail 225 are each formed in a substantially flat plate shape, and are arranged in a direction in which the plate surface is a substantially vertical surface facing the prospective direction.

  The angle portion 226 includes a first angle portion 227 extending upward from the indoor side edge portion of the base portion 221, and a second angle portion 218 extending from the upper edge portion of the first angle portion 227 toward the indoor side. . The first angle portion 227 is in contact with the end face on the outdoor side of the frame 3 or opposed with a slight gap. The second angle portion 228 is in contact with or opposed to the vicinity of the outdoor end portion on the upper surface of the frame 3 with a slight gap.

  The newly installed lower frame 42 includes a base portion 421 disposed immediately above the lower frame attachment 52 fixed to the existing lower frame 22, and an existing screen door rail contact portion 422 that protrudes downward from the outdoor end of the base portion 421. The screen door rail 423 protruding upward from the vicinity of the outdoor end of the base portion 421, the outdoor rail 424 extending upward from the indoor side of the existing screen door rail contact portion 422 of the base portion 421, and the outdoor rail of the base portion 421 The indoor side rail 425 extending from the indoor side to the upper side with respect to 424, the resin cover locking part 426 provided in the vicinity of the indoor side end of the base 421, and the resin cover 427 locked to the resin cover locking part 426 And have.

The base 421 is formed in a staircase shape whose lower surface is on the lower side of the outdoor side than the indoor side. A screw hole 421 a is formed in the base portion 421 between the outdoor rail 424 and the indoor rail 425.
The existing screen door rail contact portion 422 is formed in a flat plate shape, and is arranged in a direction in which the plate surface is a vertical surface facing the prospective direction. The existing screen door rail contact portion 422 is provided with an airtight material support portion 422b that supports the airtight material 422a. The existing screen door rail contact portion 422 is in contact with the outer surface of the screen door rail 223 of the existing lower frame 22 through the airtight material 422a.
The hermetic material 422a extends in the direction of finding, and both ends in the direction of finding are in contact with the bases 431 (see FIG. 6) of the newly installed vertical frames 43 and 44. A plurality of the airtight material support portions 422b are formed in the height direction with respect to the existing screen door rail contact portion 422. For this reason, the airtight material support part 422b by which the airtight material 422a is supported so that the airtight material 422a abuts near the lower end of the screen door rail 223 of the existing lower frame 22 can be selected. In addition, you may cut out the part below the airtight material 422a in the existing screen door rail contact part 422.

The screen door rail 423 is a member that supports the screen door (not shown) of the newly installed sash. The outdoor rail 424 is a member that supports an outdoor sash shoji (not shown) of an existing sash. The indoor rail 425 is a member that supports an indoor sash shoji (not shown) of an existing sash. The screen door rail 423, the outdoor side rail 424, and the indoor side rail 425 are each formed in a substantially flat plate shape, and are arranged in a direction in which the plate surface is a substantially vertical surface facing the prospective direction.
The resin cover locking portion 426 is formed in a substantially flat plate shape, and is arranged in a direction in which the plate surface is a substantially vertical surface facing the prospective direction.
The resin cover 427 includes a base cover portion 427a disposed along an upper surface of a portion on the indoor side of the indoor side rail 425 of the base portion 421, and extends upward from the indoor side end of the base cover portion 427a. A locked portion 427b locked to the locking portion 426 and an indoor side extending portion 427c extending from the upper end of the locked portion 427b to the indoor side are provided.

  The lower frame attachment 52 includes a first member 73 and a second member 74 that are connected to each other. The 1st member 73 and the 2nd member 74 are comprised so that adjustment of the position connected in the predetermined range of a prospective direction is possible. By adjusting the position where the first member 73 and the second member 74 are connected, the lower frame attachment 52 can be fixed to the existing lower frame 22 regardless of the shape of the existing lower frame 22.

The first member 73 has a first connecting portion 731 connected to the second member 74 and a first fixing portion 732 fixed to the existing lower frame 22. The first connecting portion 731 and the first fixing portion 732 are integrally formed by processing a metal plate or the like.
The first connecting portion 731 is formed in a substantially flat plate shape and is arranged in a direction in which the plate surface is a horizontal plane. The 1st fixing | fixed part 732 is formed in the substantially flat plate shape, and is arrange | positioned in the direction used as the vertical surface where a plate surface faces a prospective direction. As for the 1st member 73, the edge part of the outdoor side of the 1st connection part 731 is connected with the upper edge part of the 1st fixing | fixed part 732, and the cross-sectional shape orthogonal to a prospective direction is formed in the substantially L shape. . An upper end portion of the indoor side rail 225 of the existing lower frame 22 is in contact with a corner portion where the first connecting portion 731 and the first fixing portion 732 are connected. The first fixing portion 732 is configured to be in contact with the outdoor surface of the indoor rail 225 of the existing lower frame 22 and fixed to the indoor rail 225 of the existing lower frame 22.
Screw holes 731a and 732a are formed in the first connecting portion 731 and the first fixing portion 732, respectively.

The second member 74 is connected to the first member 73 and the second connecting portion 741 to which the newly installed lower frame 42 is fixed, and the outdoor rail contact that contacts the upper end of the outdoor rail 224 of the existing lower frame 22. Part 742.
The 2nd connection part 741 is formed in flat form, and is arrange | positioned on the 1st fixing | fixed part 732 in the direction from which a board surface turns into a horizontal surface. The second connecting portion 741 is formed with a long hole 741a extending in the prospective direction.
The outdoor rail contact portion 742 is disposed above the outdoor rail 224 of the existing lower frame 22. The outdoor rail contact portion 742 is provided with a screw 742a and a contact member 742b that is connected to the screw 742a and directly contacts the upper end of the outdoor rail 224, and is adjusted by adjusting the screw 742a. The height of the contact member 742b can be adjusted.

Here, a method for fixing the lower frame attachment 52 to the existing lower frame 22 will be described (attachment fixing step).
First, the first member 73 is fixed to the existing lower frame 22. At this time, the first member 73 is attached to the existing lower frame 22 in a state where the upper end of the indoor rail 225 is in contact with the lower side of the corner of the first connecting portion 731 and the first fixing portion 732 of the first member 73. Fix it. The screw 70f inserted through the screw hole 732a formed in the first fixing portion 732 of the first member 73 is fixed to the indoor rail 225 of the existing lower frame 22, and the first member 73 is fixed to the existing lower frame 22. .
Subsequently, the second member 74 is fixed to the first member 73 fixed to the existing lower frame 22. The position of the second member 74 in the prospective direction with respect to the first member 73 is adjusted so that the contact member 742b of the outdoor rail contact portion 742 contacts the upper end of the outdoor rail 224. The second connecting portion 741 of the second member 74 is placed on the first connecting portion 731 of the first member 73, and the screw hole 731 a of the first connecting portion 731 and the elongated hole 741 a of the second connecting portion 741 are overlapped. The second member 74 is fixed to the first member 73 by inserting and fastening the screw 70g. Accordingly, the lower frame attachment 52 is fixed to the existing lower frame 22.

Next, a method for fixing the new lower frame 42 to the lower frame attachment 52 fixed to the existing lower frame 22 will be described (new frame fixing step).
First, the new lower frame 42 is arranged above the lower frame attachment 52, and the base 421 of the new lower frame 42 is fixed to the second connecting portion 741 of the second member 74 of the lower frame attachment 52. The base 421 is fixed to the second connecting portion 741 with screws 70 h inserted through the screw holes 421 a formed in the base 421, and the new lower frame 42 is fixed to the lower frame attachment 52.
At this time, the existing screen door rail contact portion 422 of the new lower frame 42 is brought into contact with the screen door rail 223 of the existing lower frame 22 from the outdoor side to perform positioning.

  In the present embodiment, an angle cover 83 and an auxiliary member 84 are provided on the indoor side of the newly installed lower frame 42. The angle cover 83 and the auxiliary member 84 are the same as the angle cover 81 and the auxiliary member 82 provided on the indoor side of the newly installed upper frame 41, and are installed in different directions. The angle cover 83 is formed by cutting out the entire flat plate portion 812 to form only the hollow portion 811 and fixing it to the indoor side extending portion 427c of the resin cover 427. The auxiliary member 84 cuts off the first projecting portion 822, and a portion of the frame abutting portion 821 that is on the outdoor side of the second projecting portion 823 is disposed below the angle cover 83.

The lower frame airtight member 62 is provided so as to extend from the angle portion of the existing lower frame 22 to the frame 3 and from the resin cover locking portion 426 of the new lower frame 42 to the frame 3. 2nd airtight material 622.
The first hermetic material 621 and the second hermetic material 622 are similar to the first airtight material 611 and the second airtight material 612 of the upper frame airtight material 61, for example, in a dry structure in which an aluminum foil and a butyl rubber adhesive are laminated. Airtight tape is used. The first airtight material 621 and the second airtight material 622 are provided over the entire direction in which the existing lower frame 22, the new lower frame 42, and the frame 3 are found, and a portion provided in the frame 3 of the second airtight material 622 is provided. The first airtight member 621 is attached so as to be laminated on a portion provided in the frame 3.

Here, a method of installing the lower frame airtight material 62 will be described (airtight material installation step).
First, before installing the lower frame attachment 52 and the new lower frame 42 on the inner peripheral side of the existing lower frame 22, it extends from the angle portion 226 of the existing lower frame 22 to the frame 3 over the entire direction of finding the existing lower frame 22 and the frame 3. Thus, the first airtight material 621 is provided (first airtight material installation step).
Subsequently, after the lower frame attachment 52 and the new lower frame 42 are installed, the first lower airtightness of the new lower frame 42 and the frame 3 are extended from the resin cover locking portion 426 of the new lower frame 42 to the frame 3 and the first airtightness. A second airtight material 622 is provided so as to overlap with the material 621 (second airtight material installation step).
In this way, the lower frame airtight member 62 is installed. When the lower frame airtight member 62 is installed, the angle cover 83 and the auxiliary member 84 can be installed.

  The pair of existing vertical frames 23 and 24 shown in FIG. 1 are each formed in a shape that is substantially symmetric in the direction of finding. For this reason, the existing vertical frame 23 on one side in the finding direction, which is the right side when viewed from the indoor side, will be described, and description of the existing vertical frame 24 on the other side will be omitted. Also, the pair of new vertical frames 43 and 44 and the pair of vertical frame attachments 53 and 54 will be described with respect to the new vertical frame 43 and the vertical frame attachment 53 on one side in the finding direction, and the new vertical frame 44 and the vertical frame attachment on the other side. Description of 54 is omitted.

  As shown in FIG. 6, the existing vertical frame 23 is fixed to the base portion 231 disposed on the inner side of the side edge portion of the opening portion 12 and protruding from the base portion 231 to one side in the finding direction and fixed to the wall portion 11 from the outdoor side. A portion 232, a first fin portion 233 extending to the other side in the finding direction from a position facing the indoor side slightly from the outdoor end of the base portion 231, and extending from the intermediate portion of the prospective direction of the base portion 231 to the other side in the finding direction. There are a second fin portion 234 and a third fin portion 235, and an angle portion 236 connected to the indoor side end of the base portion 231. The second fin portion 234 is disposed on the outdoor side of the third fin portion 235.

The base portion 231 is formed in a substantially flat plate shape, and is arranged in a direction in which the plate surface is a vertical surface facing the finding direction.
The fixing portion 232 is formed in a substantially flat plate shape, and is arranged in a direction in which the plate surface is a vertical surface facing the prospective direction.
The 1st fin part 233, the 2nd fin part 234, and the 3rd fin part 235 are each arrange | positioned in the direction used as the perpendicular | vertical surface where a plate surface faces a prospective direction.
The angle portion 236 includes a first angle portion 237 that extends from the indoor side edge of the base portion 231 to the other side in the finding direction, and a second angle portion 238 that extends from the edge portion on the other side in the finding direction of the first angle portion 237 to the indoor side. And have. The first angle portion 237 is in contact with the end face on the outdoor side of the frame 3 or opposed with a slight gap. The second angle portion 238 is in contact with or opposed to the vicinity of an end portion on the outdoor side of the surface on the other side in the direction of finding the frame 3 with a slight gap.

  The new vertical frame 43 includes a base portion 431 disposed on the other side in the direction of finding the vertical frame attachment 53 fixed to the existing vertical frame 23, and a cover portion 432 extending from the outer edge of the base portion 431 to the one side in the direction of finding. The first fin portion 433 extending from the vicinity of the outer edge of the base portion 431 to the other side in the finding direction, the second fin portion 434 extending from the intermediate portion in the prospective direction of the base portion 431 to the other side in the finding direction, and the chamber of the base portion 431 It has a resin cover locking part 435 extending from the inner edge to the other side in the finding direction, and a resin cover 436 locked to the resin cover locking part 435.

The base 431 is formed in a substantially flat plate shape, and is arranged in a direction in which the plate surface becomes a vertical surface facing the finding direction. A plurality of screw holes 431 a are formed in the base portion 431 with a space in the height direction between the first fin portion 433 and the second fin portion 434. Further, a plurality of screw holes 431b are formed in the base portion 431 with a space in the height direction between the second fin portion 434 and the resin cover locking portion 435.
The cover part 432 is formed in a substantially flat plate shape, and is arranged in a direction in which the plate surface is a vertical surface facing the prospective direction. An end airtight material 437 a and a through airtight material 437 b are provided on the indoor side surface of the cover portion 432. The end airtight member 437 a is provided in the vicinity of the upper end portion and the lower end portion of the cover portion 432, respectively. The airtight member 437 b is provided over the entire length in the height direction of the cover portion 432. The end airtight member 437a is disposed on the other side in the direction of finding with respect to the through airtight member 437b. The end airtight material 437a is disposed in a gap between the upper airtight material 412e and the lower airtight material 412f provided in the new upper frame 41 and the through airtight material 437b. The end airtight member 437a is disposed in a gap between the airtight member 422a provided in the newly installed lower frame 42 and the through airtight member 437b. Accordingly, the upper airtight material 412e and the lower airtight material 412f provided on the new upper frame 41, the airtight material 422a provided on the new lower frame 42, the end airtight materials 437a provided on the new vertical frames 43 and 44, and The airtightness between the new frame 4 and the existing frame 2 is maintained by the airtight material 437b.

The 1st fin part 433, the 2nd fin part 434, and the resin cover latching | locking part 435 are each arrange | positioned in the direction used as the perpendicular | vertical surface where a plate surface faces a prospective direction.
The resin cover 436 includes a locked portion 436a locked to the resin cover locking portion 435, and an indoor side extending portion 436b extending from the locked portion 436a to the indoor side.

  The vertical frame attachment 53 has a first member 75 and a second member 76. The first member 75 and the second member 76 are fixed to the existing vertical frame 23 in a connected state. The 1st member 75 and the 2nd member 76 are comprised so that adjustment of the position connected in the predetermined range of a prospective direction is possible. By adjusting the position at which the first member 75 and the second member 76 are connected, the vertical frame attachment 53 can be fixed to the existing vertical frame 23 regardless of the shape of the existing vertical frame 23.

The first member 75 connects the first connecting portion 751 connected to the second member 76, the first fixing portion 752 fixed to the existing vertical frame 23, and the first connecting portion 751 and the first fixing portion 752. And a first connection portion 753. The first connecting portion 751, the first fixing portion 752, and the first connecting portion 753 are integrally formed by processing a metal plate or the like.
The first connecting portion 751 and the first fixing portion 752 are spaced apart in the direction of finding such that the plate surfaces face the direction of finding, and the first connecting portion 751 is disposed on the indoor side of the first fixing portion 752. . The first connecting portion 753 is arranged in the direction facing the prospective direction, the edge on one side in the finding direction is connected to the edge on the outdoor side of the first fixing portion 752, and the edge on the other side in the finding direction is the first connecting portion. 751 is connected to the indoor edge.

The 1st connection part 751 is formed so that it may be formed in flat form, and a plate surface may become a horizontal surface. A plurality of screw holes 751a are formed in the first connecting portion 751 at intervals in the height direction.
The 1st fixing | fixed part 752 is formed so that a flat plate shape may be formed and a plate surface may become a horizontal surface. The first fixing portion 752 is disposed on the indoor side on one side in the direction of finding with a gap between the first connecting portions 751. A plurality of screw holes 752a are formed in the first fixing portion 752 at intervals in the height direction.

The second member 76 is a mold member having a substantially L-shaped cross section, and is arranged in a direction extending in the vertical direction. The second member 76 is connected to the first connecting portion 751 and fixed to the existing vertical frame 23 by being provided on the outdoor side of the second connecting portion 761 to which the new vertical frame 43 is fixed and the second connecting portion 761. And a second fixing portion 762.
A plurality of long holes 761a extending in the prospective direction are formed in the second connecting portion 761 at intervals in the height direction. The 2nd fixing | fixed part 762 has the vertical board part 762a used as the vertical surface where a plate surface turns into a prospective direction in the edge part of an outdoor side.

Here, a method for fixing the vertical frame attachment 53 to the existing vertical frame 23 will be described (attachment fixing step).
First, the first connecting portion 751 of the first member 75 and the second connecting portion 761 of the second member 76 are connected, and the first member 75 and the second member 76 are connected. The first connecting portion 751 of the first member 75 and the second connecting portion 761 of the second member 76 are overlapped, and the screw 70j is inserted into the overlapping screw hole 751a of the first connecting portion 751 and the elongated hole 761a of the second connecting portion 761. The first member 75 and the second member 76 are connected by being inserted and fastened. At this time, the position of the first connecting portion 751 in the prospective direction with respect to the second connecting portion 761 is adjusted so that the vertical frame attachment 53 can be fixed to the existing vertical frame 23. Specifically, the edge of the first fixing portion 752 on the indoor side of the first member 75 contacts the first angle portion 237 of the existing vertical frame 23, and the vertical plate portion 762 a of the second fixing portion 762 of the second member 76. The indoor end surface of the first vertical frame 23 is in contact with the outer surface of the first fin portion 233 of the existing vertical frame 23.
Then, the screw 70i inserted through the first fixing portion 752 of the first member 75 is fixed to the base portion 231 of the existing vertical frame 23, and the second fixing portion 762 of the second member 76 is fixed to the existing vertical frame 23 with the screw 70m. Fix it. Thereby, the vertical frame attachment 53 is fixed to the existing vertical frame 23.
Alternatively, after fixing the first member 75 to the existing vertical frame 23, the second member 76 may be fixed to the first member 75 and the vertical frame attachment 53 may be fixed to the existing vertical frame 23.

Next, a method for fixing the newly installed vertical frame 43 to the vertical frame attachment 53 will be described (new frame fixing process).
The new vertical frame 43 is arranged on the other side of the vertical frame attachment 53 in the direction of finding, and the screws 70k and 70l inserted into the screw holes 431a and 431b formed in the base 431 of the new vertical frame 43 are used as the second vertical frame attachment 53. The second connecting portion 761 of the member 76 is fixed. Thereby, the newly installed vertical frame 43 is fixed to the vertical frame attachment 53.

In the present embodiment, an angle cover 85 and an auxiliary member 86 are provided on the indoor side of the newly installed vertical frame 43. The angle cover 85 has a hollow portion 851 formed in a different shape compared to the angle covers 81 and 83 provided on the indoor side of the new upper frame 41 and the new lower frame 42. The angle cover 85 includes a flat plate portion 852 connected to the hollow portion 851 and a protruding portion 853 provided on the flat plate portion 852. The angle cover 85 is also configured to cut the flat plate portion 852 and adjust the size.
In FIG. 6, the angle cover 85 and the indoor side extending portion 436 b of the resin cover 463 are not fixed with screws or the like, but may be fixed with screws or the like.

  Further, in the present embodiment, the same as the spacer 9 provided between the second frame 76 of the vertical frame attachment 53 and the base 431 of the new vertical frame 43 and between the upper frame attachment 51 and the new upper frame 41. The spacer 9 is provided to prevent the new vertical frame 43 from rattling.

The vertical frame airtight material 63 is provided so as to extend from the angle portion of the existing vertical frame 23 to the frame 3 and from the resin cover locking portion 435 of the new vertical frame 43 to the frame 3. A second hermetic material 632.
The first hermetic member 631 and the second hermetic member 632 are similar to the first hermetic member 611 and the second hermetic member 612 of the upper frame airtight member 61, for example, in a dry structure in which an aluminum foil and a butyl rubber adhesive are laminated. Airtight tape is used. The first airtight material 631 and the second airtight material 632 are provided over the entire height direction of the existing vertical frame 23, the new vertical frame 43, and the frame 3, and a portion provided in the frame 3 of the second airtight material 632. Is pasted so as to be laminated on a portion of the first airtight member 631 provided in the frame 3.

Here, a method of installing the vertical frame airtight material 63 will be described (airtight material installation step).
First, before installing the vertical frame attachment 53 and the new vertical frame 43 on the inner peripheral side of the existing vertical frame 23, the frame 3 extends from the angle portion 236 of the existing vertical frame 23 over the entire height direction of the existing vertical frame 23 and the frame 3. 1st airtight material 631 is provided so that it may extend over (1st airtight material installation process).
Subsequently, after the vertical frame attachment 53 and the new vertical frame 43 are installed, the first vertical airtightness and the first vertical airtightness from the resin cover locking portion 435 of the new vertical frame 43 to the frame 3 are observed over the entire direction in which the new vertical frame 43 and the frame 3 are found. A second airtight material 632 is provided so as to overlap with the material 631 (second airtight material installation step).
In this way, the vertical frame airtight member 63 is installed. When the vertical frame airtight member 63 is installed, the angle cover 85 and the auxiliary member 86 can be installed.

Next, the operation and effect of the above-described refurbishing sash 1 and the refurbishing sash construction method will be described with reference to the drawings.
In the refurbishment sash 1 according to the above-described embodiment, the attachment 5 can be adjusted to a shape that can be fixed to the existing frame 2. Can do. Specifically, the upper frame attachment 51, the lower frame attachment 52, and the vertical frame attachments 53 and 54 have a first member and a second member, respectively, and the first member and the second member are adjusted in the direction in which they are found. Therefore, the shape can be fixed to the existing frame 2.
And since it is the structure which fixes the new frame 4 to the attachment 5 fixed to the existing frame 2, it can fix the new frame 4 to the existing frame 2 via the attachment 5 irrespective of the shape of the existing frame 2 or a housing. it can.
Further, since the attachment 5 is fixed to the existing frame 2, it is possible to reduce the insertion of a fixing tool such as a screw into the housing in order to install the new frame 4.

In addition, since the attachment to the existing frame 2 can be fixed and the new frame 4 to the attachment 5 can be fixed from the indoor side, the new frame 4 can be installed from the indoor side. For this reason, when installing the new installation frame 4, the work performed from the outdoor side can be reduced or eliminated.
In addition, the lower frame attachment 52 can adjust the position in the height direction with respect to the existing lower frame 22, so that the height of the lower frame attachment 52 can be adjusted according to the height at which the new lower frame 42 is attached. it can. Thereby, the new installation frame 4 can be attached easily.

In addition, the airtight member 6 that closes the gap between the existing frame 2 and the new frame 4 is further provided. The airtight member 6 is provided on the indoor side of the new frame 4 so that the airtight member 6 can be installed from the indoor side. It can be carried out.
A frame 3 is provided on the indoor side of the existing frame 2, and cover members (angle covers 81, 83, 85 and auxiliary members 82, 84, 86) that cover the gap between the new frame 4 and the frame 3 are provided. Therefore, the appearance from the indoor side can be improved.

  In addition, the new frame 4 has end surface abutting members (existing screen door rail abutting portions 412 and 422) that abut against the end surface on the outdoor side of the existing frame 2, and the end surface abutting member is an end surface on the outdoor side of the existing frame 2. When the new frame 4 is disposed at the normal position when it is in contact with the end faces of the screen door rails 213 and 413, the new frame 4 can be easily positioned.

As mentioned above, although embodiment of the construction method of the renovation sash 1 and the refurbishment sash 1 by this invention was described, this invention is not limited to said embodiment, In the range which does not deviate from the meaning, it can change suitably. It is.
For example, in the above-described embodiment, the shutter frame and the shutter frame are not attached to the existing frame 2, but may be attached. As shown in FIG. 8, in the retrofit sash 1 </ b> A provided when the shutter frame 25 and the shutter frame are attached to the existing frame 2, the cover 432 is not provided in the new vertical frame 43, and the existing vertical frame 43 and the existing frame 2 are installed. A closing material 10 that closes the gap with the vertical frame 23 may be provided.
The closing material 10 extends over the entire height direction of the newly provided vertical frame 43. The closing material 10 has an end airtight material 101a and a threading member similar to the end airtight material 437a and the through airtight material 437b (see FIG. 6) provided on the outdoor surface of the cover portion 432. An airtight material 101b is provided. The end airtight member 101a is provided in the vicinity of the upper end portion and the lower end portion of the closing material 10, respectively. The air-tight material 101b is provided over the entire length of the closing material 10 in the height direction. The end airtight member 101a is arranged on the other side in the direction of finding with respect to the through airtight member 101b. The end airtight member 101aa is disposed in a gap between the upper airtight member 412e and the lower airtight member 412f provided in the new upper frame 41 and the through airtight member 101b.
The end airtight member 101a is disposed in a gap between the airtight member 422a provided in the newly installed lower frame 42 and the through airtight member 101b. Thus, the upper airtight material 412e and the lower airtight material 412f provided on the new upper frame 41, the airtight material 422a provided on the new lower frame 42, the end airtight material 101a provided on the new vertical frames 43 and 44, and The airtightness between the new frame 4 and the existing frame 2 is maintained by the airtight material 101b.

Further, in the above embodiment, the frame 3 is provided on the indoor side of the existing frame 2, but the frame 3 may not be provided on the indoor side of the existing frame 2. As shown in FIGS. 9 to 11, in the retrofit sash 1 </ b> B installed when the frame 3 is not provided on the indoor side of the existing frame 2, the angle covers 81, 83, 85 extend to the housing 14 to assist The members 82, 84 and 86 may be fixed to the housing 14.
Further, when the frame 3 is provided on the indoor side of the existing frame 2, and when the flat portions of the angle covers 81, 83, 85 are cut and the angle covers 81, 83, 85 are small, the auxiliary member Only the angle covers 81, 83, 85 may be provided without providing the 82, 84, 86.
The shapes of the angle covers 81, 83, 85 and the auxiliary members 82, 84, 86 may be other than those described above, and the angle covers 81, 83, 85 and the auxiliary members 82, 84, 86 may not be provided. Good.
In the above embodiment, the airtight member 6 has a dry structure, but may have a wet structure. The installation method of the airtight material 6 may be other than the above.

In the above embodiment, the attachment to the existing frame 2 and the new frame 4 to the attachment 5 are fixed from the indoor side. However, the attachment to the existing frame 2 and the attachment 5 The new frame 4 may be fixed from the outdoor side.
In the above embodiment, the lower frame attachment 52 is configured to be able to adjust the position in the height direction with respect to the existing lower frame 22, but it is not necessary to adjust the position in the height direction with respect to the existing lower frame 22. It may be configured to be fixable to the existing lower frame 22.

In the above embodiment, the airtight member 6 is provided on the indoor side of the new frame 4, but may be provided on the outdoor side of the new frame 4.
Moreover, in said embodiment, the new frame 4 has an end surface contact member (existing screen door rail contact part 412 and 422) which contact | abuts the end surface of the existing frame 2 on the outdoor side, and an end surface contact member is an existing frame. 2, the new frame 4 is arranged in the normal position when it abuts against the end surface of the outdoor side (end surfaces of the screen door rails 213, 413), and the new frame 4 can be positioned. It may be performed by a method other than the above. Moreover, the end surface contact member may not be provided.

1,1A, 1B Refurbishment sash 2 Existing frame 3 Frame 4 New frame 5 Attachment 6 Airtight material 11 Wall 12 Opening 21 Existing upper frame 22 Existing lower frame 23, 24 Existing vertical frame 81, 83, 85 Angle cover 82, 84,86 Auxiliary member 412,422 Existing screen door rail contact portion (end surface contact member)

Claims (7)

In the sash for refurbishment having a new frame provided on the inner peripheral side of the existing frame attached to the opening of the wall that partitions the room and the outside,
The attachment is fixed to the existing frame and the new frame is fixed,
The refurbishment sash, wherein the attachment is adjustable to a shape that can be fixed to the existing frame. The attachment is configured to be fixable from the indoor side to the existing frame,
The sash for refurbishment according to claim 1, wherein the new frame is configured to be fixed to the attachment from the indoor side.   The sash for refurbishment according to claim 1 or 2, wherein the attachment is capable of adjusting a position in a height direction with respect to a lower frame of the existing frame. A frame is provided on the indoor side of the existing frame,
The refurbishment according to any one of claims 1 to 3, further comprising: an angle cover that covers a gap between the new frame and the frame; and an auxiliary member that fixes the angle cover to the frame. sash. The new frame has an end surface abutting member that abuts an end surface on the outdoor side of the existing frame,
The refurbishment sash according to any one of claims 1 to 4, wherein the new frame is disposed at a normal position when the end surface abutting member contacts an end surface on the outdoor side of the existing frame. An airtight material that closes a gap between the existing frame and the new frame;
The sash for renovation according to any one of claims 1 to 5, wherein the airtight material is provided on the indoor side of the new frame. In the construction method of the sash for refurbishment in which a new frame is attached to an existing frame provided in the opening of the wall part that partitions the room and the outside,
An attachment fixing step of fixing the attachment to the existing frame;
A new frame fixing step of fixing the new frame to the attachment,
In the attachment fixing step, the remodeling sash construction method is characterized in that the shape of the attachment is adjusted to a shape that can be fixed to the existing frame and fixed to the existing frame.

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