JP2018204339A - Refurbished window structure and construction method of refurbished window - Google Patents

Abstract

To provide a refurbished window structure and the like which is easy to construct and has high watertightness and airtightness.SOLUTION: A refurbished window structure in which a new frame is provided in an opening formed by an existing frame fixed to a frame includes an attachment that is attached to the new frame and is positioned between the existing frames and is fixed to the frame, and a waterproof sheet that connects the existing frame and the attachment or the new frame. The waterproof sheet is adhered to the existing frame, the attachment or the new frame, respectively.SELECTED DRAWING: Figure 4

Description

  The present invention relates to a refurbished window structure in which a new frame is provided in an opening formed by an existing frame, and a method for constructing a refurbished window.

  As the refurbished window structure, for example, a renovation opening device in which a remodeling frame formed in a frame shape is covered inside an existing frame provided along a building opening may be provided. It is known (see Patent Document 1). In the opening device for reforming, on the outdoor side, a packing material is interposed along the longitudinal direction between the reforming frame body and the existing frame body to ensure watertightness and airtightness.

Japanese Patent No. 5394205

  The above-mentioned refurbished window structure ensures watertightness and airtightness by the packing material interposed along the longitudinal direction between the reforming frame and the existing frame. When the body is deformed, there is a possibility that watertightness and airtightness cannot be ensured in a portion where the packing material cannot be in close contact. For this reason, there are cases where wet sealing is filled between the reforming frame and the existing frame to ensure watertightness and airtightness. However, when the wet sealing agent is filled, the work on site is complicated. In addition, there is a problem that a great deal of time must be spent on curing.

  The present invention has been made in view of such problems, and an object of the present invention is to provide a refurbished window structure and a refurbished window construction method that are easy to construct and have high watertightness and airtightness. .

  In order to achieve such an object, the refurbished window structure of the present invention is a refurbished window structure in which a new frame is provided in an opening formed by an existing frame fixed to a housing, and the refurbished window structure is attached to the new frame and installed in the existing frame. An attachment located between the frame and fixed to the housing; and a waterproof sheet connecting the existing frame and the attachment or the new frame, wherein the waterproof sheet is the existing frame and the attachment or the new frame It is a refurbished window structure characterized by being bonded to each other.

  According to such a refurbished window structure, the existing frame constituting the refurbished window structure and the attachment attached to the new frame, or the existing frame and the new frame are connected by the waterproof sheet. It is possible to prevent water from entering between the frame and the attachment attached to the new frame. Moreover, since the waterproof frame is bonded to the existing frame and the attachment or the new frame, it is possible to easily ensure watertightness and airtightness simply by bonding the waterproof sheet.

In such a refurbished window structure, it is desirable that a sealing material is interposed between the new frame and the attachment.
According to such a refurbished window structure, since the seal material is interposed between the new frame and the attachment at the part where the attachment is attached to the new frame, water from between the new frame and the attachment is placed. Intrusion can also be prevented. For this reason, it is possible to easily secure watertightness and airtightness between the existing frame and the new frame simply by adhering the waterproof sheet.

  In this refurbished window structure, the attachment is provided on the inner peripheral side of the first projecting portion, the first projecting portion projecting inward from the existing frame and facing the housing, and the first projecting portion. It is desirable that the first projecting portion is screwed to the housing and the waterproof sheet is bonded to the second projecting portion.

  According to such a refurbished window structure, the first protrusion is screwed to the housing, and the waterproof sheet is bonded to the second protrusion. That is, the site where the attachment is screwed to the housing and the site where the waterproof sheet is bonded are different sites. For this reason, since a waterproof sheet is not adhere | attached so that a screw | thread head may be covered, it is hard to produce a float and peeling in a waterproof sheet. For this reason, it is possible to more reliably prevent water from entering between the existing frame and the attachment, and to ensure watertightness and airtightness between the existing frame and the new frame by simply bonding the sheet material. Is possible.

In such a refurbished window structure, it is desirable that the waterproof sheet has flexibility.
According to such a refurbished window structure, the waterproof sheet can be bent and provided, and thus it is possible to ensure watertightness and airtightness between the existing frame and the attachment in the refurbished window structure having various shapes.

In such a refurbished window structure, it is desirable that the waterproof sheet has a property of swelling with water.
According to such a refurbished window structure, even if the waterproof sheet is damaged and water enters the inside of the waterproof sheet and the opposite side of the waterproof sheet, the waterproof sheet swells, so that Since it does not easily penetrate beyond, it is possible to provide higher waterproofness.

In such a refurbished window structure, it is desirable that the waterproof sheet, the existing frame, and the new frame are bonded with a double-sided tape having waterproof properties.
According to such a refurbished window structure, the waterproof sheet is bonded by the waterproof double-sided tape, so that it can be easily attached and can have a higher waterproof property.

  In addition, a new bonding frame provided with a first bonding step for bonding a waterproof sheet to a portion of the existing frame that forms the opening on the indoor side, and a new installation tool that is newly provided, and to which an attachment that is disposed between the existing frame is attached A new frame fixing step in which the waterproof sheet is hung inside the existing frame to which the waterproof sheet is bonded and fixed to the housing, and a part on the indoor side of the attachment attached to the fixed new frame, or the new installation And a second bonding step of bonding the indoor side end of the waterproof sheet to the indoor side portion of the frame.

  According to the construction method of such a renovated window, the existing frame and the attachment attached to the new frame or the new frame are connected by bonding the sheet-shaped waterproof sheet, so that the waterproof sheet made of a sheet-shaped member is attached. It is possible to ensure watertightness and airtightness simply by bonding. Further, since no wet sealing material is used, there is no need for curing, and on-site construction time and sealing costs can be reduced.

  According to the present invention, it is possible to provide a refurbished window structure and a refurbished window construction method that are easy to construct and have high watertightness and airtightness.

It is a longitudinal cross-sectional view which shows the refurbished window structure concerning this embodiment. It is a cross-sectional view showing a refurbished window structure according to the present embodiment. It is an enlarged view of the A section in FIG. It is an enlarged view of the B section in FIG. It is an enlarged view of the C section in FIG. It is a figure which shows the construction method of a renovation window. It is a perspective view which shows the corner | angular part of a newly installed frame. FIG. 8A is a view showing an example in which the indoor side end portion of the waterproof sheet is bonded to the extending portion of the upper plate protruding portion, and FIG. 8B shows the indoor side end portion of the waterproof sheet. It is a figure which shows the example adhere | attached on the hanging part of the upper-plate protrusion part. It is a cross-sectional view which shows the example which attaches a waterproof sheet with a waterproof tape. It is a figure which shows the example which adhere | attached the waterproof sheet to the outer peripheral surface part.

Hereinafter, a modified window structure according to an embodiment of the present invention will be described with reference to the drawings.
As shown in FIGS. 1 and 2, the refurbished window structure of the present embodiment is provided in an opening 2a formed by a frame body (hereinafter referred to as an existing frame) 2 in which a shoji is removed from an existing fitting provided in a building or the like. In addition, a new window fitting (hereinafter referred to as a new fitting) 1 is provided. In the drawings, in order to clearly show a connection between a waterproof sheet, which will be described later, an existing frame, and a new frame, for the sake of convenience, the portions other than the adhesive surface of the waterproof sheet are separated from the surrounding members.

  In the following description, when the existing frame 2 and the new fixture 1 attached to a building or the like are viewed from the indoor side, the vertical direction is the vertical direction, the horizontal direction is the horizontal direction, and the indoor and outdoor direction. A depth direction is shown as a prospective direction. Even if it is each part of the refurbished window structure, and each member constituting the refurbished window structure is in a single state, it is in the vertical direction, the left-right direction, and the depth direction when attached to a building or the like. The direction is specified and described. Further, since the existing frame 2 and the new frame 3 included in the new fixture 1 are both framed in a rectangular shape, the inside of the rectangle will be described as the inner peripheral side and the outer side as the outer peripheral side.

  The existing frame 2 has a rectangular shape in which an existing upper frame 21 made of an extrusion molding material, an existing lower frame 22 and left and right existing vertical frames 23 are framed. The existing upper frame 21, the existing lower frame 22, and the left and right existing vertical frames 23 are provided over the entire length along the longitudinal direction, projecting to the outer peripheral side, and fixed to the housing 4 to form a fin-like existing fixing portion 21 a. , 22a, 23a. The end portions on the outdoor side of the existing upper frame 21, the existing lower frame 22, and the left and right existing vertical frames 23 each protrude outward from the outer wall member 5 provided on the outer side of the casing 4, and the outer wall member 5 is filled with a sealing material 5a. The end portions on the indoor side of the existing upper frame 21, the existing lower frame 22, and the left and right existing vertical frames 23 are frame facing portions that face the outdoor side end face 24 a of the existing frame 24 provided over the entire circumference on the indoor side. 21b, 22b, 23b and an existing frame extending portion 21c extending from the inner peripheral side ends of the frame facing portions 21b, 22b, 23b to the indoor side and covering the outdoor end of the existing frame 24 from the inner peripheral side. , 22c, and 23c.

The new fixture 1 includes a new frame 3 that is attached to the inner peripheral side of the existing frame 2 and a shoji 6 that is rotatably provided on the new frame 3.
The new frame 3 has a rectangular shape in which a new upper frame 31 made of an extrusion molding material, a new lower frame 32 and left and right new vertical frames 33 are framed. In the new upper frame 31, the new lower frame 32, and the left and right new vertical frames 33 that form the new frame 3, the same extruded members are joined to each other with their end portions abutted against each other. The new upper frame 31, the new lower frame 32, and the left and right new vertical frames 33 are formed from the outer peripheral surface portions 31 a, 32 a, 33 a that form the outer peripheral surface along the prospective direction, and from the indoor side edges of the outer peripheral surface portions 31 a, 32 a, 33 a Inner wall portions 31b, 32b, and 33b that extend to the peripheral side and form surfaces facing the room, and surfaces that extend from the outer peripheral edge of the outer peripheral surface portions 31a, 32a, and 33a to the inner peripheral side and face the outdoor side Outer wall portions 31c, 32c, and 33c.

  The newly installed lower frame 32 and the left and right newly installed vertical frames 33 are located slightly on the inner peripheral side from the outer peripheral side edges of the inner wall portions 32b and 33b, and protrude along the longitudinal direction and along the entire length to the indoor side. There are fin-like projecting pieces 32d and 33d which are screwed to each other. The new upper frame 31 is screwed to the housing 4 via an attachment 35 disposed and attached on the outer peripheral side of the outer peripheral surface portion 31a. The attachment 35 will be described later.

  A portion on the indoor side of the existing upper frame 21 and a portion on the indoor side of the attachment 35 attached to the new upper frame 31 are connected by a single waterproof sheet 7 having flexibility, and the existing lower frame 22 is connected. And the indoor side part of the left and right existing vertical frame 23 and the indoor side part of the new lower frame 32 and the left and right new vertical frame 33 are connected by a single waterproof sheet 7 having flexibility. That is, on the indoor side of the existing frame 2 and the new frame 3, the existing frame 2 side and the new frame 3 side are connected by the single waterproof sheet 7 over the entire circumference. Here, as the waterproof sheet 7, the polymer absorbent body has a function of swelling the water to be infiltrated from the through-hole or the like by sucking water and blocking the through-hole, for example, water stop by 3M Japan Co., Ltd. A functional outer wall waterproof sheet 2407 is desirable.

  As shown in FIG. 3, the new lower frame 32 has a portion on the indoor side placed on the existing frame 24, and is disposed so as to protrude above the existing lower frame 22 outside the existing frame 24. The projecting piece 32d is screwed to the existing frame 24 and the housing 4 positioned below the existing frame 24. At this time, the existing frame extending portion 22 c of the existing lower frame 22 is positioned between the outer peripheral surface portion 32 a of the new lower frame 32 and the end of the existing frame 24 on the outdoor side. Further, between the indoor side portion of the existing lower frame 22 and the indoor side portion of the new lower frame 32, the waterproof sheet 7 provided over the entire circumference between the existing frame 2 and the new frame 3 covers the entire length. It is connected.

  More specifically, the waterproof sheet 7 is bonded to the frame facing portion 22b of the existing lower frame 22 and the existing frame extending portion 22c with a waterproof double-sided tape 7a, and the waterproof sheet 7 has an existing frame. 24 and the outer peripheral surface portion 32a of the new lower frame 32 so as to reach the indoor side. Further, the end portion on the indoor side is wound from the outer peripheral side of the protruding piece 32d of the newly installed lower frame 32 to the inner peripheral side, and is bonded to the inner peripheral surface of the protruding piece 32d by a waterproof double-faced tape 7a. At this time, the screw 8 fixing the newly installed lower frame 32 passes through the waterproof sheet 7 between the existing frame 24 and the outer peripheral surface portion 32a, but the screw head 8a is fastened to the protruding piece 32d. In addition, the waterproof sheet 7 is bonded from the inner peripheral side.

  As shown in FIG. 1, a lower cover member 34 that covers the space between the existing lower frame 22 and the new lower frame 32 is provided on the outer wall portion 32 e of the new lower frame 32 on the outside of the existing lower frame 22 and the new lower frame 32. Screwed.

  In the attachment 35 attached to the outer peripheral side of the new upper frame 31, an indoor member 351 located on the indoor side and an outdoor member 352 located on the outdoor side are connected by a connecting member 353. The indoor member 351 and the outdoor member 352 are aluminum extrusion-molded members, and a synthetic resin connecting member 353 is interposed between the indoor member 351 and the outdoor member 352, and is integrally formed.

  The indoor member 351 has an upper surface plate portion 351a facing the indoor side portion of the outer peripheral surface portion 31a of the new upper frame 31 with a space therebetween, and protrudes from the upper surface plate portion 351a to the outer peripheral surface portion 31a side, with the tip thereof being the upper surface plate portion 351a The two legs 351b and 351c that are in contact with each other, and the room as a second protruding part that protrudes indoors from the lower end of the indoor leg (indoor leg) 351c of the two legs 351b and 351c. A protruding portion 351d, an indoor hanging piece 351e provided slightly indoors from the indoor leg portion 351c and suspended from the indoor protruding portion 351d, and a protrusion 351f protruding outward from the lower end of the indoor hanging piece 351e ,have.

  Of the two leg portions 351b and 351c, the outdoor leg portion (outdoor leg portion) 351b is located on the outdoor edge of the upper surface plate portion 351a. The upper surface plate portion 351a has an upper plate protruding portion 351g as a first protruding portion that protrudes indoors from the indoor leg portion 351c. The upper plate projecting portion 351g and the indoor projecting portion 351d face each other with a space in the vertical direction and are provided substantially in parallel. The upper plate projecting portion 351g projects to the indoor side larger than the indoor projecting portion 351d.

  The outdoor member 352 is disposed at a distance from the outdoor leg portion 351b in the prospective direction, and has a connection leg portion 352a whose upper end portion is connected to the indoor member 351 by the connection member 353, and an upper edge of the connection leg portion 352a. And an inclined plate portion 352b that inclines so that the distance from the upper surface plate portion 35a becomes narrower toward the outdoor side, and is screwed to face the outdoor side portion of the outer peripheral surface portion 31a that extends to the outdoor side of the inclined plate portion 352b. And an outdoor standing portion 352d standing from an outdoor edge of the outdoor fixing portion 352c.

  In the attachment 35, the lower ends of the outdoor leg portion 351b, the indoor leg portion 351c, and the connecting leg portion 352a are brought into contact with the outer peripheral surface portion 31a of the newly installed upper frame 31, and the projection 351f of the indoor hanging piece 351e is located on the indoor side of the inner wall portion 31b. In the abutted state, the indoor hanging piece 351e is screwed to the inner wall portion 31b, and the outdoor side fixing portion 352c is fixed to the new upper frame 31 by screws. At this time, for the screw for fixing the outdoor-side fixing portion 352c to the outer peripheral surface portion 31a, a screw having a water stopping property that stops the screw hole by applying a synthetic resin to the screw portion and screwing is used. Further, the fixed portion between the indoor hanging piece 351e and the inner wall portion 31b is a gap formed between the indoor hanging piece 351e and the inner wall portion 31b with the projection 351f abutting on the indoor side of the inner wall portion 31b. Screwed with the sealing material 9 interposed.

  In the state where the attachment 35 is attached to the newly installed upper frame 31, the indoor leg portion 351c and the inner wall portion 31b are disposed at substantially the same position in the prospective direction, and the upper plate protruding portion 351g and the indoor protruding portion 351d It protrudes to the indoor side from the part 31b.

  As shown in FIG. 4, the new upper frame 31 to which the attachment 35 is attached has a portion on the indoor side below the existing frame 24, and projects from the existing frame 24 below the existing upper frame 21 on the outdoor side. Is done. In the attachment 35, the upper plate protrusion 351 g is fixed to the frame 4 positioned on the existing frame 24 and the existing frame 24 with screws 8. At this time, the existing frame extending portion 21c of the existing upper frame 21 is positioned on the attachment 35 positioned on the outer peripheral surface portion 31a of the new upper frame 31 between the outdoor frame end of the existing frame 24. Yes. Further, the indoor side portion of the existing upper frame 21 and the indoor side portion of the attachment 35 are connected over the entire length by the waterproof sheet 7 provided between the existing frame 2 and the attachment 35.

  More specifically, the waterproof sheet 7 is bonded to the frame facing portion 21b and the existing frame extending portion 21c of the existing upper frame 21 by the waterproof double-faced tape 7a at the outdoor side end portion, 24 and the upper surface plate portion 351a of the attachment 35 so as to reach the indoor side. Further, the indoor side end portion is wrapped around from the outer peripheral side of the upper plate protruding portion 351g of the attachment 35 to the inner peripheral side via the indoor side by a double-sided tape 7a having a waterproof property on the inner peripheral surface of the indoor protruding portion 351d. It is glued. At this time, the screw 8 fixing the new upper frame 31 passes through the waterproof sheet 7 between the existing frame 24 and the upper surface plate portion 351a, but from the upper plate protruding portion 351g through which the screw passes. To be located on the inner peripheral side, the inner peripheral side and the indoor side of the upper plate protruding portion 351g are covered by the waterproof sheet 7 bonded to the indoor protruding portion 351d.

  As shown in FIG. 1, an upper cover member 36 that covers the space between the existing upper frame 21 and the new upper frame 31 is provided outside the existing upper frame 21 and the new upper frame 31 on the outdoor standing portion 352 d of the attachment 35. The seal material 9 is interposed between the upper cover material 36 and the existing upper frame 21 and the new upper frame 31.

As shown in FIG. 2, the left and right new vertical frames 33 have a symmetrical shape in which the left and right are reversed. For this reason, here, the left new vertical frame 33 will be described as an example.
As shown in FIG. 5, the new vertical frame 33 is arranged on the inner peripheral side of the existing frame 24 with a portion on the indoor side through a mandrel 37, and the side of the existing vertical frame 23 outside the existing frame 24. The projecting piece 33d of the new vertical frame 33 is screwed to the existing frame 24 and the casing 4 positioned on the outer peripheral side of the existing frame 24. At this time, the existing frame extending portion 23c of the existing vertical frame 23 is positioned between the outer peripheral surface portion 33a of the new vertical frame 33 and the outdoor end of the existing frame 24 positioned to the left of the outer peripheral surface portion 33a. In addition, between the indoor side portion of the existing vertical frame 23 and the indoor side portion of the new vertical frame 33, the waterproof sheet 7 provided over the entire circumference between the existing frame 2 and the new frame 3 covers the entire length. It is connected.

  More specifically, the end of the outdoor sheet of the waterproof sheet 7 is bonded to the frame facing portion 23b of the existing vertical frame 23 and the existing frame extending portion 23c with a waterproof double-sided tape 7a, and the existing frame 24 and the manger 37 are provided so as to reach the indoor side. The end portion on the indoor side is wound from the outer peripheral side of the protruding piece 33d of the newly installed vertical frame 33 to the inner peripheral side, and is adhered to the inner peripheral surface of the protruding piece 33d by a waterproof double-faced tape 7a. At this time, the screw 8 fixing the newly installed vertical frame 33 penetrates the waterproof sheet 7 between the existing frame 24 and the manger 37, but the screw head 8a is fastened to the protruding piece 33d. In addition, the waterproof sheet 7 is bonded from the inner peripheral side.

  As shown in FIG. 2, a vertical cover member 38 that covers the space between the existing vertical frame 23 and the new vertical frame 33 is provided outside the existing vertical frame 23 and the new vertical frame 33. Are screwed to the outer peripheral surface portion 33a of the newly installed vertical frame 33 via a connecting member 39 screwed to the indoor side portion of the vertical cover member 38. Further, the seal material 9 is interposed between the vertical cover member 38 and the existing vertical frame 23 and the new vertical frame 33.

  For example, as shown in FIG. 6, first, the waterproof sheet 7 is pasted on the existing frame 2 in a state where the shoji (not shown) of the existing fitting is removed, as shown in FIG. Step: S1). At this time, for example, from the position where the left and right ends of the existing upper frame 21 are avoided, the frame facing portion 21b and the existing frame extending portion 21c of the existing upper frame 21 are waterproofed by the waterproof double-sided tape 7a. The ends are bonded, and the indoor side of the waterproof sheet 7 is extended to the existing frame 24 side. Double-sided tape 7 a for bonding to the existing frame 2 and the new frame 3 is bonded to the waterproof sheet 7 in advance.

  The waterproof sheet 7 includes a frame facing portion 21b, 22b, 23b and an existing frame extending portion 21c, 22c in the order of the existing vertical frame 23 on the left side, the existing lower frame 22, the existing vertical frame 23 on the right side, and the existing upper frame 21, respectively. The end portion on the outdoor side is bonded to the waterproof portion 23c with a double-sided tape 7a having waterproofness. The waterproof sheet 7 bonded to the inner periphery of the existing frame 2 over the entire periphery is bonded so that both ends of the waterproof sheet 7 at the start and end of the waterproof sheet 7 are overlapped.

  Next, the waterproof frame 7 was adhered to the new frame 3 to which the lower cover member 34, the upper cover member 36, the vertical cover member 38, the attachment 35, and the connecting member 39 were attached, and the manger 37 was disposed. It is hung inside the existing frame 2 and arranged. At this time, the sealing material 9 interposed between the existing frame 2 and the new frame 3 is attached to the upper cover material 36, the vertical cover material 38 and the attachment 35. The new frame 3 arranged inside the existing frame 2 is connected to the projecting pieces 32d and 33d of the new lower frame 32 and the left and right new vertical frames 33 and the upper plate projecting portion 351g of the attachment 35 attached to the new upper frame 31. It fixes and attaches to the housing 4 with the screw 8 (new installation frame fixing process: S2).

  A portion of the waterproof sheet 7 located on the indoor side after the screws are fixed to the projecting pieces 32d and 33d of the new lower frame 32, the left and right new vertical frames 33, and the upper plate projecting portion 351g of the attachment 35. To the inner peripheral side of each protruding piece 32d, 33d and to the inner peripheral side of the indoor protruding part 351d located on the inner peripheral side through the indoor side of the upper plate protruding part 351g, and the protruding pieces 32d, 33d and the indoor protruding part The part 351d is bonded with a waterproof double-sided tape 7a (second bonding step: S3). At this time, the corners of the existing frame 2 and the new frame 3 are cut in the prospective direction in the indoor side portion of the waterproof sheet 7, the new vertical frame 33 side portion, the new lower frame 32 and the attachment 35 side. And are pasted along the surface of the new frame 3. As shown in FIG. 7, a waterproof tape 10 having waterproof properties is attached to the cut portion 7 b of the waterproof sheet 7 from the inner peripheral side to make a stretch.

  According to the modified window structure of the present embodiment, the waterproof sheet 7 is provided between the existing lower frame 22 and the newly installed lower frame 32 of the existing frame 2 and between the existing vertical frame 23 and the newly installed vertical frame 33 constituting the modified window structure. Between the existing upper frame 21 and the new upper frame 31, the attachment 35 attached to the new upper frame 31 and the existing upper frame 21 are connected by the waterproof sheet 7. Further, a sealing material 9 is interposed in a gap formed between the indoor hanging piece 351e of the attachment 35 and the inner wall portion 31b of the new upper frame 31, and a water stop is provided between the attachment 35 and the new upper frame 31. Has been. For this reason, it is possible to prevent water from entering between the existing frame 2 and the new frame 3.

  Further, since the existing frame 2, the new frame 3, and the attachment 35 are joined by a waterproof sheet 7, the waterproof sheet is provided between the existing frame 2 attached to the housing 4 and the newly installed frame 3. It is possible to ensure watertightness and airtightness simply by adhering 7. At this time, when attaching the attachment 35 to the new upper frame 31 in advance, the sealing material 9 is interposed between the indoor hanging piece 351e and the inner wall portion 31b, so that the space between the new upper frame 31 and the attachment 35 can be easily obtained. And it is possible to stop water reliably. For this reason, it is possible to provide a refurbished window structure that is easy to construct and has high watertightness and airtightness.

  In the modified window structure of this embodiment, the upper plate protrusion 351g is screwed to the housing 4, and the waterproof sheet 7 is bonded to the indoor protrusion 351d. In other words, the part of the attachment 35 that is screwed to the housing 4 and the part to which the waterproof sheet 7 is bonded are different from each other. For this reason, since the waterproof sheet 7 is not adhered so as to cover the screw head 8a of the screw 8 screwed to the housing 4, the waterproof sheet 7 is unlikely to float or peel off. For this reason, it is possible to more reliably prevent water from entering between the existing upper frame 21 and the attachment 35.

  Further, since the waterproof sheet 7 has flexibility, it can be bent. For this reason, for example, even if the existing frame is deformed, it can be easily attached to ensure water tightness, and the existing frame 2 and the new frame 3 It is possible to ensure watertightness and airtightness between the two. For this reason, it is possible to realize a renovated window structure with high versatility.

  Further, since the waterproof sheet 7 has a property of swelling with water, even if the waterproof sheet 7 is damaged and water enters the waterproof sheet 7 and the opposite side of the waterproof sheet 7, Since the waterproof sheet 7 swells, water hardly enters the waterproof sheet 7 and thus can have higher waterproof properties.

  Moreover, since the waterproof sheet 7 is adhered by the double-sided tape 7a having waterproof properties, it can be easily attached and can have higher waterproof properties.

  Further, in the corner portion of the new frame 3, the waterproof tape 10 has a boundary portion between a portion that wraps around the protruding piece 33 d on the new vertical frame 33 side and a portion that wraps around from the new upper frame 31 and the new lower frame 32 side. Therefore, it is possible to provide waterproofing even at the joint of the waterproof sheet 7.

  Further, since the sealing material 9 is provided at the boundary between the existing frame 2 and the new frame 3 on the outdoor side, not only the waterproof sheet 7 provided on the indoor side but also the outdoor side is sealed. It is possible to have high waterproofness.

  Further, according to the method for constructing the refurbished window according to the present embodiment, the existing frame 2, the new frame 3, and the attachment 35 are connected to each other by the sheet-like waterproof sheet 7 being bonded to each other. It is possible to easily ensure watertightness and airtightness simply by adhering the sheet 7.

  In addition, in the state where the newly installed new frame 3 is disposed in the opening 2a formed by the existing frame 2 attached to the housing 4, no wet sealing material is used, so there is no need for curing and construction on site. It is possible to reduce time and sealing costs. For this reason, it is possible to provide a method for constructing a refurbished window that is easy to construct and has high watertightness and airtightness.

  In the said embodiment, although the example which adhere | attached the indoor side edge part of the waterproof sheet 7 to protrusion piece 32d, 33d was demonstrated, when the newly installed frame 3 does not have protrusion piece 32d, 33d, it is indoors. You may adhere | attach on the inner wall parts 32b and 33b which form the surface which faces. Moreover, in the said embodiment, although the indoor side edge part of the waterproof sheet 7 was wound around from the outer peripheral side of the upper board protrusion part 351g to the inner peripheral side, it demonstrated the example adhere | attached on the inner peripheral surface of the indoor protrusion part 351d. When the attachment 35 does not have the indoor projecting portion 351d, the attachment 35 is adhered to the indoor hanging piece 351e, or, as shown in FIG. You may adhere to the attachment extension part 351h extended inside, or the hanging part 351i suspended from the indoor edge of the upper plate protrusion part 351g as shown in FIG. 8B. .

  Moreover, in the said embodiment, the edge part of the indoor side of the waterproof sheet 7 is wound in from the outer peripheral side of the protrusion piece 33d of the newly provided vertical frame 33 to the inner peripheral side, and the inner peripheral surface of the protrusion piece 33d is waterproof. Bonded with a double-sided tape 7a.

  Moreover, in the said embodiment, although the example which adhere | attaches the waterproof sheet 7 to the existing frame 2, the new installation frame 3, and the attachment 35 with the double-sided tape 7a was demonstrated, not only this but for example, as shown in FIG. You may adhere | attach with the waterproof tape 10 so that an edge part may be plugged over the waterproof sheet 7, the existing frame 2, or the new frame 3 and the attachment 35 from the peripheral side. Moreover, even if the double-sided tape 7a and the waterproof tape 10 are previously provided on the waterproof sheet 7, when the waterproof sheet 7 is bonded, the double-sided tape 7a and the waterproof tape 10 are provided on the existing frame 2, the new frame 3 and the attachment 35, respectively. The frame 2 or the new frame 3 and the attachment 35 may be provided so as to extend over the waterproof sheet 7.

  Moreover, in the said embodiment, although the example which adhere | attached the indoor side edge part of the waterproof tape 7 to the attachment 35 in the existing upper frame 21 and the new upper frame 31 side was demonstrated, it does not restrict to this. For example, as shown in FIG. 10, the outer peripheral surface portion 31 a of the new upper frame 31 is extended to the indoor side, and the indoor side end portion of the waterproof tape 7 is attached to the inner peripheral surface side of the indoor side portion of the outer peripheral surface portion 31 a. You may adhere.

  Moreover, in the said embodiment, the example in which the indoor side site | part of the new frame 3 and the attachment 35 and the indoor side site | part of the existing frame 2 were connected over the perimeter by the single waterproof sheet 7 was demonstrated. However, it is not limited to this. For example, a structure in which a packing material or the like is interposed in a part between the newly installed frame and the attachment and the existing frame, and together with a waterproof sheet bonded to other parts, watertightness and airtightness are ensured over the entire circumference. It does not matter.

  Moreover, the said embodiment is for making an understanding of this invention easy, and is not for limiting and interpreting this invention. The present invention can be changed and improved without departing from the gist thereof, and it is needless to say that the present invention includes equivalents thereof.

2 existing frame, 2a opening, 3 new frame, 4 frame, 7 waterproof sheet,
7a Double-sided tape, 9 Sealing material, 21 Existing upper frame, 31 New upper frame,
31a outer peripheral surface portion, 35 attachment, 351d indoor protrusion,
351g Upper plate protrusion, 351h extension, 351i hanging part,

Claims (7)

A refurbished window structure in which a new frame is provided in an opening formed by an existing frame fixed to a housing,
An attachment attached to the new frame and positioned between the existing frame and fixed to the housing;
A waterproof sheet connecting the existing frame and the attachment or the new frame;
With
The refurbished window structure, wherein the waterproof sheet is bonded to the existing frame and the attachment or the new frame. The refurbished window structure according to claim 1,
A refurbished window structure in which a sealing material is interposed between the new frame and the attachment. The refurbished window structure according to claim 1 or 2,
The attachment projects from the existing frame to the indoor side and faces the housing,
A second protrusion provided on the inner peripheral side from the first protrusion, and facing the first protrusion with a gap;
Have
The refurbished window structure, wherein the first protrusion is screwed to the housing, and the waterproof sheet is bonded to the second protrusion. A refurbished window structure according to any one of claims 1 to 3,
The waterproof window structure is characterized in that the waterproof sheet has flexibility. A refurbished window structure according to any one of claims 1 to 4,
The waterproof window structure has a characteristic of swelling with water. A refurbished window structure according to any one of claims 1 to 5,
The refurbished window structure, wherein the waterproof sheet, the existing frame, and the new frame are bonded to each other by a double-sided tape having waterproofness. A first bonding step of bonding a waterproof sheet to a portion of the existing frame that forms the opening on the indoor side;
A new frame fixing step in which a new frame provided with a newly-installed fixture and provided with an attachment arranged between the existing frame is suspended inside the existing frame to which the waterproof sheet is bonded and fixed to the housing. When,
A second bonding step of bonding the indoor side end of the waterproof sheet to the indoor side part of the attachment attached to the fixed new frame or the indoor side part of the new frame;
Refurbished window construction method having

Images