JP5161161B2 - Refurbished sash unit and installation method of refurbished sash unit - Google Patents

Description

  The present invention relates to a modified sash unit provided on an existing frame of an existing sash and a method for mounting the modified sash unit.

  As a modified sash unit, a reform sash is known that is attached to the inner peripheral side of an existing frame of an existing sash provided in an opening of a building via a base material (see, for example, Patent Document 1).

  Such a renovation sash is a frame that has a renovation sash that forms a mounting wall to which a new renovation sash is fixed by attaching a base material to the upper frame, lower frame, and left and right vertical frames of the existing frame. The frame is fixed to the mounting wall with screws.

JP 2008-223286 A

  In the above remodeling sash, an attachment for attaching a cover material that covers a screw for fixing the base material and the frame of the renovation sash is fixed to the base material with a screw, and the cover material is fitted to this attachment. Yes. For this reason, in order to improve the design of the renovation sash, a cover material and an attachment for attaching the cover material are necessary, which increases the number of parts, makes management complicated, and increases the work man-hours. It was.

  The present invention has been made in view of such problems, and an object of the present invention is to provide a modified sash unit having a small number of parts and excellent workability and design, and a method for attaching the modified sash unit. .

In order to achieve such an object, a modified sash unit of the present invention is a modified sash unit provided in an existing frame of an existing sash provided in an opening that communicates indoors and outdoors, A base frame interposed between an existing frame and the refurbished sash; and a cover member fixed to the base frame and covering a space between the refurbished frame of the remodeled sash and the wall provided with the opening from the outdoor side; The refurbished sash unit is characterized in that the cover member is fixed on the indoor side from the outermost edge of the waterproofing material provided between the cover member and the refurbished sash. It is.
According to such a modified sash unit, the cover member that covers the space between the modified frame and the wall from the outdoor side is directly fixed to the base frame, so that the number of parts can be reduced and the cover member can be reduced. Easy to install. In addition, the position where the cover member is fixed to the base frame interposed between the existing frame and the refurbished sash is more than the outermost edge of the water stop material provided between the cover member and the refurbished sash. Since it is an indoor side, after the refurbishment sash is attached, the part to which the cover member is fixed is hidden by the water stop material and is not exposed to the outside of the room. For this reason, it is possible to provide a modified sash unit excellent in workability and design, in which the number of components is reduced while the cover member is fixed to the base frame, and the fixing portion is not exposed to the outside.

In such a modified sash unit, it is preferable that the cover member form a concave portion recessed on the modified sash side together with the wall, and the water stop material is provided in the concave portion.
According to such a refurbished sash unit, since the water-stopping material is provided in the recess formed together with the cover member and the wall, it is possible to provide a refurbished sash unit having excellent water-stopping properties. Moreover, since the recessed part provided with the water stop material is dented to the remodeling sash side between the cover member and the wall, the water stop material is difficult to see when the remodeling sash is viewed from the outdoor side. For this reason, it is possible to provide a refurbished sash unit with more excellent design.

In this modified sash unit, the base frame has a flat inner peripheral surface forming an insertion opening into which the modified frame is inserted, and the cover member is attached to the inner peripheral surface. It is desirable that a step is provided so that the surface of the surface and the inner peripheral surface are flat.
According to such a modified sash unit, the cover member is provided on the step portion of the base frame, so that the inner peripheral surface of the base frame that forms the insertion opening into which the retrofit frame is inserted and the inner peripheral surface are attached. Since the surface of the cover member becomes flat, there is no obstacle when the refurbishment frame is inserted into the insertion opening. Therefore, the refurbishment frame can be easily inserted.

In such a refurbished sash unit, the refurbished frame has a fixed fin portion that is fixed to the housing when directly attached to the opening, and the fixed fin portion is cut off when attached through the base frame. It is desirable that
According to such a modified sash unit, even if the modified sash is a sash that is directly fixed to the housing and attached to the opening, it can be attached by excising the fixed fin portion. For this reason, it is possible to use a sash that can be directly attached to the housing as the renovated sash, instead of the dedicated sash for remodeling.

In such a refurbished sash unit, the base frame has an extension portion in which an end portion on the indoor side extends in the direction of finding toward the inside of the opening, and the indoor side of the extension portion is on the indoor side It is desirable to have a design surface having a design property exposed to the surface.
According to such a refurbished sash unit, the extending portion provided on the indoor side of the base frame and extending in the direction of finding toward the inside of the opening has a design surface having a design property exposed to the indoor side. Since it is provided, the design surface is exposed to the indoor side simply by attaching the base frame. For this reason, it is possible to provide the remodeled sash unit excellent in the design from the room side, without using separately the other member which has the design.

  An installation method for a modified sash unit provided in an existing frame of an existing sash provided in an opening communicating with the outside of the room, the base frame interposed between the existing frame and the newly installed modified sash A cover member attaching step of attaching a cover member that covers the space between the refurbished frame of the refurbished sash and the wall provided with the opening from the outdoor side with a fixture, and the base frame to which the cover member is attached. The outermost edge is fixed between the base frame attaching step to be attached to the existing frame, the refurbished frame attaching step to attach the refurbished frame of the refurbished sash to the base frame, and the cover member and the refurbished sash. And a water-stopping material disposing step including a water-stopping material located on the outdoor side of the tool.

  According to such a method of mounting the modified sash unit, the cover member that covers the space between the modified frame and the wall from the outside of the room is directly fixed to the base frame, so that the number of parts can be reduced and the cover member can be reduced. It can be easily installed. In addition, the base frame with the cover member fixed is attached to the existing frame, the refurbishment frame is attached to the base frame, and a waterproofing material is provided between the cover member and the refurbishment sash, so that the space between the refurbishment frame and the wall is covered. However, it is possible to install a renovated sash with excellent water-stopping properties. At this time, since the outermost edge of the water-stopping material is located on the outdoor side from the position where the cover member is fixed to the base frame, the fixture is exposed to the outdoor side only by providing the water-stopping material. Can be prevented. For this reason, it is possible to attach the modified sash unit so that the number of parts is reduced and the fixture is not exposed to the outside while the cover member is simply fixed to the base frame.

  According to the present invention, it is possible to provide a refurbished sash unit having a small number of parts and excellent workability and design, and a method for attaching the refurbished sash unit.

It is a horizontal sectional view for explaining the remodeled sash unit concerning this embodiment. It is a longitudinal cross-sectional view for demonstrating the renovation sash unit which concerns on this embodiment. It is a figure for demonstrating the shape of the fixed fin part of the renovation frame which concerns on this embodiment.

  Hereinafter, a modified sash unit and a method for attaching the modified sash unit according to an embodiment of the present invention will be described with reference to the drawings.

  The refurbished sash unit 1 of the present embodiment is mounted on the support member 5 fixed to the existing lower frame 52 of the existing frame 50 of the existing sash provided in the opening that communicates the interior and exterior of the building, and the support member 5, for example. The base frame 30 that is placed and attached to the inner peripheral side of the existing frame 50, the modified sash 10 that is attached to the inner peripheral side of the base frame 30, and the cover member 27 that is fixed to the base frame 30. . In the present embodiment, as shown in FIGS. 1 and 2, an existing frame 50 is provided in an opening that communicates indoors and outdoors.

  In the following description, when the existing frame 50 and the refurbished sash 10 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 or the finding direction, The depth direction which is the inside / outside direction is shown as a prospective direction. Each member included in the refurbished sash unit will be described by specifying the direction in the vertical direction, the finding direction, the prospective direction, and the like while attached to the opening even in a single state.

  Moreover, in this embodiment, the existing existing frame 50 already provided in the building and the refurbished sash 10 refurbished so as to cover the existing frame 50 appear. Each name will be described with “existing” or “renovation”. For example, the lower frame and the vertical frame that the existing frame has are assumed to be the existing lower frame, the existing vertical frame, and the like, and the vertical frame and the shoji that the remodeled sash 10 has are described as the refurbished frame, the remodeled shoji, and the like.

  The existing frame 50 of the existing sash is a frame for the sliding shoji, and the existing upper frame 51 and the existing lower frame having existing rails 51a, 51b, 52a, 52b for guiding the existing shoji (not shown) of the existing sash. 52 and left and right existing vertical frames 53 having existing engagement pieces 53a that engage with existing door tips (not shown) of an existing shoji are provided in the opening in a rectangular shape. The existing upper frame 51, the existing lower frame 52, and the left and right existing vertical frames 53 are extrusion-molded members, and the left and right existing vertical frames are symmetrical to each other.

  The existing upper frame 51 includes an existing inner upper rail 51a for guiding an existing inner shoji (not shown), an existing outer upper rail 51b for guiding an existing outer shoji (not shown), and an existing screen door (not shown). The existing screen door upper rails 51c for guiding the vehicle are provided in the prospective direction at intervals from each other. The existing inner upper rail 51a, the existing outer upper rail 51b, and the existing screen door upper rail 51c are vertically suspended in the vertical direction over the entire area in the direction in which the existing upper frame 51 is found. Further, the existing screen door upper rail 51c is provided on the most outdoor side of the existing upper frame 51, and is disposed at a position protruding outward from the wall surface of the outer wall 2 of the building serving as the boundary between indoor and outdoor.

  On the indoor side of the existing inner upper rail 51a, an existing frame facing portion 51d is provided on the frame 60 provided on the indoor side of the existing upper frame 51 so as to be opposed to the inner surface 60a facing the center side of the opening. An upper fixing fin portion 51e that extends upward and is fixed to the housing 3 from a portion that connects between the existing inner upper rail 51a and the existing outer upper rail 51b is provided.

  The existing frame facing portion 51d is arranged on the lower surface of the outdoor portion of the frame 60, that is, the stepped portion formed on the inner surface 60a facing the center side of the opening and recessed upward, and the lower surface of the existing frame facing portion 51d. The inner surface 60a of the frame is substantially flush with the frame. In addition, the tip of the existing inner upper rail 51a and the tip of the existing outer upper rail 51b are formed at the same height, and are positioned lower than the existing screen door upper rail 51c and the existing frame facing portion 51d.

  In the existing upper frame 51, the existing frame facing portion 51 d is fixed to the frame 60 with screws 64, and the upper fixed fin portion 51 e and the portion connecting the existing frame facing portion 51 d and the existing inner upper rail 51 a are connected to the housing 3 with screws 64. It is fixed.

  The existing lower frame 52 guides an existing inner rail 52a for guiding an existing inner shoji (not shown), an existing outer rail 52b for guiding an existing outer shoji (not shown), and an existing screen door (not shown). The existing screen door rails 52c for doing so are provided at intervals in the prospective direction. The existing inner rail 52a, the existing outer rail 52b, and the existing screen door rail 52c are provided over the entire area in the direction in which the existing lower frame 52 is found. Further, the existing screen door rail 52c is provided on the most outdoor side of the existing lower frame 52, and is disposed at a position protruding outward from the wall surface of the outer wall 2 of the building that is the boundary between the indoor and the outdoor.

  On the indoor side of the existing inner rail 52a, an existing frame facing portion 52d is provided on the frame 60 provided on the indoor side of the existing lower frame 52 so as to be opposed to the inner surface 60a facing the center side of the opening. A fixed fin portion 52e that extends downward from a portion connecting the inner rail 52a and the existing outer rail 52b and is fixed to the housing 3 is provided.

  The existing frame facing portion 52d is disposed on a stepped portion formed on the upper surface of the outdoor portion of the frame 60 and recessed downward, and the upper surface of the existing frame facing portion 52d and the upper surface of the frame 60, that is, the center side of the opening And the inner surface 60a facing each other are substantially flush with each other. The existing inner rail 52a has an upper end lower than the upper surface of the existing frame facing portion 52d, the existing outer rail 52b has an upper end lower than the upper end of the existing inner rail 52a, and the existing screen door rail 52c has an upper end outside the existing outer rail 52a. It is formed lower than the rail 52b.

  The existing lower frame 52 has an existing frame facing portion 52d fixed to the frame 60 with screws 64, and a fixed fin portion 52e fixed to the housing 3 with screws 64.

  The existing vertical frame 53 overlaps with an existing vertical frame main body 53b formed of a plane along the prospective direction and a frame 60 provided on the indoor side of the existing vertical frame main body 53b so as to face an inner surface 60a facing the center side of the opening. An existing frame facing portion 53c, an existing engagement piece 53a that protrudes from the existing vertical frame main body 53b toward the center of the opening and engages with an existing door toe of an existing shoji, and is disposed on the most outdoor side of the existing frame 50 The existing insertion piece 53d that protrudes from the existing vertical frame main body 53b to the center side of the opening and is inserted into the existing vertical fence of the existing screen door is opposite to the existing insertion piece 53d that is disposed on the outermost side of the existing frame 50 in the direction of finding. And an edge portion 53e protruding to the side.

  The existing insertion piece 53d and the edge 53e arranged on the most outdoor side of the existing vertical frame 53 form an outward plane 53f that faces the outdoor side, and the outward plane 53f is an outer wall of the building that is a boundary indoors and outdoors. It is arrange | positioned in the position protruded to the outdoor side from 2 wall surfaces.

  The renovated sash 10 is a general sash that can be newly installed directly in an opening of a building or the like. In other words, it is not a sash dedicated to renovation. The refurbished frame 20 of the refurbished sash 10 is also a frame for a sliding shoji, and the refurbished upper frame 21 and the refurbished lower frame 22 having refurbished rails 21a, 21b, 22a, 22b on which the refurbished shoji 12 of the refurbished sash 10 is guided. The left and right refurbished vertical frames 23 are framed in a rectangular shape. The framed refurbishment frame 20 is inserted into an insertion space surrounded by a base frame 30 described later. The refurbished upper frame 21, the refurbished lower frame 22, and the left and right refurbished vertical frames are extrusion-molded members, and the left and right refurbished vertical frames 23 are left and right with respect to each other except for the refurbished engagement pieces 23a with the refurbished shojis 12a and 12b. It has a symmetrical shape.

  The refurbished upper frame 21 includes a refurbished inner rail 21a for guiding the refurbished inner shoji 12a, a refurbished outer rail 21b for guiding the refurbished outer shoji 12b, and a refurbished upper door rail for guiding the renovated screen door 14. 21c are spaced apart from each other in the prospective direction. The refurbished inner rail 21a, the refurbished outer rail 21b, and the refurbished screen door upper rail 21c are vertically suspended in the vertical direction over the entire area in the direction in which the refurbished upper frame 21 is found. Further, the refurbished screen door upper rail 21c is provided on the most outdoor side of the refurbished upper frame 21, and is disposed at a position protruding outward from the wall surface of the outer wall 2 of the building that is the boundary between the indoor and the outdoor.

  A base contact portion 21 d having a flat surface that comes into contact with the base frame 30 is provided at the indoor end of the refurbished upper frame 21. Further, the refurbishment upper frame 21 is divided between the refurbished upper rail 21a and the refurbished outer upper rail 21b, and the outdoor side portion and the indoor side portion are joined via the resin 24 to provide heat insulation. It is secured.

  The refurbished upper frame 21 is fixed to the base frame 30 with screws 64 at a portion connecting the base contact portion 21d and the refurbished inner rail 21a together with a covering member 25 that covers the indoor side portion of the base frame 30 described later. Yes.

  The refurbished lower frame 22 includes a refurbished inner rail 22a for guiding the refurbished inner shoji 12a, a refurbished outer rail 22b for guiding the refurbished outer shoji 12b, and a refurbished screen door rail 22c for guiding the renovated screen door 14. , Spaced apart from each other in the prospective direction. A base contact portion 22 d having a flat surface that comes into contact with the base frame 30 is provided at the indoor side end of the modified lower frame 22. An indoor side leg 22e that extends downward and is supported by the base frame 30 and extends below the refurbished inner rail 22a at the approximate center of the portion connecting the ground contacting portion 22d and the refurbished inner rail 22a. A central leg portion 22f supported by the base frame 30 and an outdoor side leg portion 22g extending below the refurbished outer rail 22b and supported by the base frame 30. The central leg portion 22f and the outdoor side It has the connection part 22h connected with the leg part 22g by the lower end side. In addition, an extending portion 22i extending from the connecting portion 22h to the same position as the renovated screen door rail 22c is formed on the outdoor side.

  The refurbished vertical frame 23 projects from the refurbished vertical frame main body 23b to the center side of the opening, and the refurbished door rods 12c of the refurbished shoji 12a and 12b are engaged with each other. A refurbishment engagement piece 23a, a refurbishment insertion piece 23d which is arranged on the most outdoor side of the refurbishment frame 20 and protrudes from the refurbishment vertical frame body 23b to the center side of the opening and is inserted into the refurbishment vertical wall 14a of the refurbishment screen door 14; The refurbishment frame 20 is disposed on the most outdoor side, and has a refurbishment insertion piece 23d and an edge 23e protruding to the opposite side in the direction of finding.

  Further, the indoor end portion of the refurbished vertical frame 23 is provided with a ground contact portion 23c having a flat surface that is in contact with the ground frame 30, and the ground contact portion 23c is located on the outer peripheral side from the refurbished vertical frame main body portion 23b. It protrudes. A center extending from the refurbished vertical frame main body 23b to the outer peripheral side of the refurbished vertical frame main body 23b by the same length as the base abutting 23c from the refurbished vertical frame main body 23b at a distance in the prospective direction. An extending part 23h is provided. The base contact portion 23 c and the central extension portion 23 h are brought into contact with the refurbished frame contact surface 33 d of the base vertical frame 33 when the refurbished frame 20 is inserted on the inner peripheral side of the base frame 30.

  Here, since the refurbished sash 10 is not a refurbished sash 10, there may be a fixed fin portion 23j for attaching the refurbished sash 10 directly to the housing. In this case, as shown in FIG. The fixed fin portion 23j is cut out and used in accordance with the extension amount of the base contact portion 23c.

  The refurbished insertion piece 23d and the edge 23e arranged on the most outdoor side of the refurbished vertical frame 23 form an outward plane 23f that faces the outdoor side, and the outward plane 23f is the outer wall of the building that is a boundary inside and outside the building. It is arrange | positioned in the position protruded to the outdoor side from 2 wall surfaces.

  The base frame 30 is configured by a base upper frame 31, a lower basement frame 32, and base vertical frames 33 arranged on the left and right sides being framed in a rectangular shape. An opening formed by the framed base frame 30 corresponds to an insertion opening into which the modified frame 20 is inserted. The lower ground frame 31, the lower underground frame 32, and the left and right base vertical frames 33 are made of wood.

  The vertical cross-section of the lower ground frame 31 and the horizontal cross-section of the left and right base vertical frames 33 have substantially the same shape, and the prospective wall portions 31a and 33a arranged along the prospective direction in the cross-sectional shape, and the prospective wall portions 31a and 33a. Inner side wall portions 31b and 33b whose indoor side ends are extended to the inner peripheral side, and outer side wall portions 31c and 33c whose outdoor side ends of the prospective wall portions 31a and 33a are extended to the outer peripheral side. And have. Here, the inner finding wall portions 31b and 33b correspond to an extension portion in which the indoor side end portion of the base frame 30 extends in the finding direction toward the inside of the opening.

  The prospective wall portions 31a and 33a are inner peripheral surfaces of the rectangular base frame 30, and are flat refurbished frame abutting surfaces 31d on which the refurbished frame 20 abuts on the outdoor side from the inner finding wall portions 31b and 33b. 33d. Moreover, it has the step parts 31e and 33e dented in an outer peripheral direction in the outdoor side, ie, the outdoor side of the prospective wall parts 31a and 33a, from the refurbished frame contact surfaces 31d and 33d. A cover member 27 described later is attached to the step portions 31e and 33e. Here, the flat refurbished frame contact surfaces 31d and 33d correspond to the flat inner peripheral surface forming the insertion opening. The outer peripheral surfaces of the prospective wall portions 31a and 33a have flat existing frame contact surfaces 31f and 33f on the indoor side from the outer finding wall portions 31c and 33c. The existing frame 50 is in contact with the existing frame contact surfaces 31f and 33f.

  The lower base frame 32 has a flat bottom surface, and the upper surface side of the modified frame 20 on which the modified lower frame 22 abuts is the base contact portion 22d, indoor side leg portion 22e, and central leg portion 22f of the modified lower frame 22. The surface with which the lower end is abutted is formed in a staircase shape that becomes lower from the indoor side toward the outdoor side, and a step portion 32e that is attached to the outdoor side and that is recessed in the outer peripheral direction is formed on the outdoor side. Yes.

  The step portions 31e and 32e provided in the lower ground frame 31 and the lower base frame 32 are steps provided in the left and right base vertical frames 33 so that the steps with the portions adjacent to the step portions 31e and 32e on the inner peripheral surface are provided. It is formed larger than the step between the portion 33e and the refurbishment frame contact surfaces 31d and 33d. Specifically, the stepped portions 33e provided on the left and right base vertical frames 33 have the same steps as the thickness of the cover member 27 attached to the stepped portion 33e. On the other hand, the step portions 31e and 32e provided in the base upper frame 31 and the lower basement frame 32 are spaces in which joints can be formed between the refurbishment frame 20 due to the space formed by steps with adjacent portions. It is configured to be able to. Further, the surface of the base frame 30 that faces the interior forms a design surface 34 that has been subjected to finishing or the like so as to have a design property that can be exposed indoors.

  The cover member 27 is a member attached to each of the step portions 31e, 32e, and 33e provided on the outdoor side of the base upper frame 31, the lower basement frame 32, and the left and right base vertical frames 33.

  The cover member 27 is fixed to the step portions 31 e, 32 e, 33 e of the base upper frame 31, the lower base frame 32, and the left and right base vertical frames 33 from the base top frame 31, the lower base frame 32, and the left and right base vertical frames 33. A fixed plate portion 27a that protrudes outward, an outdoor plate portion 27b that extends from the outer edge of the fixed plate portion 27a toward the outer periphery of the base frame 30 to form a surface facing the outdoors, and an outdoor plate portion 27b When the outer peripheral plate portion 27c extending from the outer peripheral edge to the indoor side and the base frame 30 provided at the indoor end portion of the outer peripheral plate portion 27c and attached with the cover member 27 are attached to the existing frame 50 The outer wall 2 and the recess forming part 27d for forming the recess 28 opened to the outer peripheral side. A recess 28 formed by the outer wall 2 and the recess forming portion 27d is recessed toward the modified sash 10 side.

  The cover member 27 covers the outdoor frame portion of the existing frame 50 and the base frame 30 along the longitudinal direction of the base upper frame 31, the lower base frame 32, and the left and right base vertical frames 33, and the outer periphery of the outdoor plate portion 27b. The side portion extends from the base frame 30 to the outer peripheral side. Each cover member 27 attached to the lower ground frame 31, the lower underground frame 32, and the left and right base vertical frames 33 is cut at both ends at 45 degrees, and the adjacent cover members 27 are abutted with each other. The fixed plate portions 27a, the outdoor plate portions 27b, the outer peripheral plate portions 27c, and the concave portion forming portions 27d of the adjacent cover members 27 are abutted to each other, and the cover member 27 is connected to the outer peripheral side of the base frame 30. Covered. At this time, the outdoor plate portion 27b of the connected cover member 27 forms the same plane, and a gap is formed between the outer wall 2 and the recess forming portion 27d between the outer wall 2 and the outer peripheral side of the cover member 27.

  The support member 5 includes an abutment portion 5a with which the flat lower surface of the lower underground frame 32 abuts, and a leg portion 5b that is fixed to the existing frame 50 by extending the outer edge of the abutment portion 5a downward. And a protruding portion 5c that forms the same surface as the leg portion 5b and protrudes upward from the contact portion 5a and contacts the outdoor side portion of the lower underground frame 32. The support member 5 is attached to the base frame 30, and after the indoor side portion of the contact portion 5 a is placed on the existing frame facing portion 52 d of the existing lower frame 52, the upper surface of the contact portion 5 a becomes horizontal. Thus, it fixes to the existing screen door rail 52c, adjusting the attachment position of the leg part 5b.

  In the method of attaching the modified sash unit 1 of the present embodiment, first, the base frame 30 and the modified frame 20 are each preliminarily framed in a rectangular shape. Thereafter, the support member 5 is attached to the lower underground frame 32 of the base frame 30. At this time, the upper surface of the contact portion 5a of the support member 5 is brought into contact with the lower surface of the lower underground frame 32, and the most outdoor side surface of the lower underground frame 32 is brought into contact with the indoor side surface of the protruding portion 5c. Fix it. Further, the cover member 27 is attached to the step portions 31e and 33e, respectively, on the lower ground frame 31 and the left and right base vertical frames 33 of the base frame 30 (cover member attaching step). At this time, the screws 64 as the fixtures for fixing the base upper frame 31 and the left and right base vertical frames 33 and the cover members 27 are sufficiently more than the edges on the outdoor side of the base top frame 31 and the left and right base vertical frames 33. The indoor side, specifically, the indoor side in which the screw 64 to which the cover member 27 is fixed has secured a distance not to be exposed to the outdoor side by the sealing agent 66 as a water-stopping material filled between the refurbished frame 20 Fix in position.

  Next, the base frame 30 to which the cover member 27 and the support member 5 are attached is attached to the existing frame 50 (base frame attaching step). At this time, first, the indoor portion of the contact portion 5 a of the support member 5 is placed on the existing frame facing portion 52 d of the existing lower frame 52 and supported by the existing lower frame 52. Thereafter, the leg portion 5b of the support member 5 is fixed to the existing screen door rail 52c of the existing lower frame 52 with screws 64, and the base upper frame 31 and the left and right base vertical frames 33 are arranged from the inner peripheral side to the outer peripheral side of the base frame 30. It fixes to the housing 3 with the screw | thread 64 which penetrates. At this time, the lower ends of the existing inner rail 52a and the existing outer rail 52b are brought into contact with the existing frame contact surface 31f of the base upper frame 31. In addition, the left and right base vertical frames 33 are brought into contact with the existing frame facing portions 53c of the existing vertical frame 53, the existing engagement pieces 53a, and the tips of the existing insertion pieces 53d.

  Next, the cover member 27 is fixed to the step 32 e of the lower underground frame 32 with screws 64. At this time, it arrange | positions so that the fixed board part 27a of the cover member 27 currently fixed to the base | substrate vertical frame 33, the outdoor board part 27b, the outer peripheral board part 27c, and the recessed part formation part 27d may each face | match. By attaching the cover member 27 to the lower underground frame 32, the cover member 27 is connected to the outer peripheral side of the base frame 30. At this time, the outdoor plate portion 27b of the connected cover member 27 forms the same plane, and a gap is formed on the outer peripheral side of the cover member 27 over the entire periphery by the outer wall 2 and the recess forming portion 27d.

  Next, the refurbishment frame 20 is inserted into the inner peripheral side of the base frame 30, and the base contact portion 22 d, the indoor leg 22 e, and the center leg of the remodeled lower frame 22 are formed in a stepped shape of the lower basement frame 32. It arrange | positions so that the lower end of the part 22f may contact | abut. At this time, the lower end side of the central leg portion 22f and the outdoor side leg portion 22g is connected to the connecting portion 22h, the extended portion 22i connected to the connecting portion 22h, and the lower basement frame 32. A gap is formed between the cover member 27 and the cover member 27. The modified lower frame 22 is fixed to the lower underground frame 32 from the indoor side with screws 64 (renovated frame mounting step).

  Further, the indoor base contact portion 21d of the remodeled upper frame 21 is brought into contact with the outdoor side surface of the inner finding wall portion 31b of the base upper frame 31, and the inner peripheral surface of the inner finding wall portion 31b is covered. The refurbished upper frame 21 is fixed together with the cover member 25 with screws 64. In addition, the modified upper frame 21 is fixed to the underlying upper frame 31 with screws 64 that enter from the inner peripheral side to the outer peripheral side even at the portion connecting the underlying contact portion 21d and the modified inner upper rail 21a. At this time, the flat upper surface of the part connecting the refurbished upper rail 21 a side to the upper end of the refurbished screen door rail 21 c is brought into contact with the refurbished frame abutting surface 31 d of the ground upper frame 31, and the step portion of the ground upper frame 31 A gap is formed between the cover member 27 and the cover member 27 attached to 31e.

  The left and right refurbished vertical frames 23 include a portion extending to the outer peripheral side of the base contact portion 23c and a central extension portion 23h, and a fixing plate portion 27a of the cover member 27 provided on the base vertical frame 33. The base vertical frame 33 is inserted along the refurbishment frame contact surface 33d. At this time, the fixed plate portion 27a and the refurbishment frame contact surface 33d are both flat and have substantially the same plane, so that the base contact portion 23c and the central extension portion 23h are guided. Inserted. The left and right refurbished vertical frames 23 are inserted into the inner peripheral side of the base frame 30 so that the indoor side surface of the base contact portion 23c contacts the outdoor side surface of the inner finding wall portion 33b, and the base contact portion 23c is brought into contact with the inner peripheral surface of the inner finding wall portion 33b. And it fixes to the base frame 30 with the bis | screw 64 with the covering member 25 which covers the surface of the inner peripheral side of the inner side finding wall part 33b.

  In a state where the refurbished frame 20 is fixed to the base frame 30, the space between the outdoor portion of the refurbished frame 20 and the fixing plate portion 27 a of the cover member 27, and the recess forming portion 27 d of the cover member 27 and the outer wall 2. A gap is formed between the entire circumference. For this reason, finally, the back-up material 65 is provided on the back side of the gap, and the sealing material 66 is filled outside the back-up material 65 to form the waterproof joint 70 (water-stopping material disposing step).

  According to the refurbished sash unit 1 of the above embodiment, the cover member 27 that covers the space between the refurbished frame 20 and the outer wall 2 from the outdoor side is directly fixed to the base frame 30, so that the number of parts can be reduced. In addition, the cover member 27 can be easily attached. The position where the cover member 27 is fixed to the base frame 30 interposed between the existing frame 50 and the modified sash 10 is provided between the cover member 27 and the modified frame 20 of the modified sash 10. Since the waterproofing material 70 is the indoor side from the surface 70a of the waterproof joint 70 as the edge of the waterproofing material, the portion where the cover member 27 is fixed is not exposed to the outdoor side after the modified sash 10 is attached. For this reason, it is possible to provide the modified sash unit 1 excellent in workability and design, in which the number of parts is reduced as a simple configuration for fixing the cover member 27 to the base frame 30, and the fixing portion is not exposed to the outside. It is.

  Further, since the waterproof joint 70 is formed between the cover member 27 and the outer wall 2, it is possible to provide the modified sash unit 1 having excellent water blocking properties. Further, since the waterproof joint 70 is formed in the recessed portion 28 that is recessed toward the modified sash 10 between the cover member 27 and the outer wall 2, the waterproof joint 70 is not seen when the modified sash 10 is viewed from the outdoor side. Hard to see. For this reason, it is possible to provide the refurbished sash unit 1 with more excellent design.

  Further, the cover member 27 is provided on the step portion 33e of the base vertical frame 33, so that the refurbishment frame contact surface 33d of the base vertical frame 33 that forms the insertion opening into which the refurbishment frame 20 is inserted, and the refurbishment frame contact surface The surface of the fixed plate portion 27a of the cover member 27 attached to 33d becomes flat. For this reason, when the refurbished frame 20 is inserted into the insertion opening, there is no obstacle, so that the refurbished frame 20 can be easily inserted.

  Further, the modified sash 10 attached to the existing frame 50 via the support member 5 and the base frame 30 may be directly attached to the housing 3 by cutting the fixed fin portion 27j, even if it is not a dedicated sash for refurbishment. Even a modified sash can be used as a modified sash.

  Moreover, the site | part which is provided in the indoor side of the base frame 30, and is exposed to the indoor side of the inner finding wall portions 31b and 33b and the lower underground frame 32 as extension portions extending in the direction of finding toward the inside of the opening. Since the design surface 34 having design properties is provided, the design surface 34 can be exposed to the indoor side only by attaching the base frame 30. For this reason, it is possible to provide the refurbished sash unit 1 excellent in design from the indoor side without using other members having design properties.

  In addition, according to the method of attaching the modified sash unit 1, the cover member 27 that covers the space between the modified frame 20 and the outer wall 2 from the outdoor side is directly fixed to the base frame 30, so that the number of parts can be reduced. In addition, it is possible to reduce the number of mounting steps for the cover member 27. In addition, the base frame 30 to which the cover member 27 is fixed is attached to the existing frame 50, the refurbished frame 20 is attached to the base frame 30, and the waterproof joint 70 is formed between the cover member 27 and the refurbished sash 10. It is possible to attach the refurbished sash 10 excellent in water-stopping property while covering between the frame 20 and the outer wall 2. At this time, the waterproof joint 70 has the most outdoor side edge on the outdoor side from the position where the cover member 27 is fixed to the base frame 30, so that only the waterproof joint 70 is formed to expose the fixed portion to the outdoor side. It is possible to prevent. For this reason, it is possible to reduce the number of parts as a simple configuration for fixing the cover member 27 to the base frame 30, and to attach the modified sash unit 1 so that the fixing portion is not exposed to the outside.

  In the present embodiment, the base frame 30 is made of wood, but is not necessarily made of wood. For example, it may be made of synthetic wood or synthetic resin.

  In the above embodiment, an example in which the waterproof joint 70 is formed by filling the concave portion 28 with the sealing agent 66 as a water-stopping material has been described. The waterproof joint is formed by fitting a molded resin sealing material into the concave portion, for example. May be formed. Further, since the portion where the sealing agent or the sealing material is provided is located between the cover member 27 and the outer wall 2, it is referred to as “joint” for convenience of explanation. Any configuration can be used as long as it is ensured.

  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.

1 refurbished sash unit, 2 outer wall, 10 refurbished sash, 20 refurbished frame,
23j fixed fin part, 27 cover member, 28 recessed part, 30 ground frame, 31 lower ground frame,
31b Inside finding wall part, 31d Remodeling frame contact surface, 31e Step part, 32 Lower underground frame,
32e stepped portion, 33 base vertical frame, 33b inner finding wall portion wall portion, 33d modified frame contact surface,
33e Stepped portion, 34 Design surface, 50 Existing frame, 64 Screws, 66 Sealing agent,
70 Waterproof joint, 70a Waterproof joint surface

Claims (6)

A refurbished sash unit provided in an existing frame of an existing sash provided in an opening that communicates indoors and outdoors,
Newly renovated sash,
A base frame interposed between the existing frame and the refurbished sash;
A cover member fixed to the base frame and covering the space between the refurbished frame of the refurbished sash and the wall in which the opening is provided;
The refurbished sash unit is characterized in that the cover member is fixed on the indoor side from the outermost edge of the water blocking material provided between the cover member and the refurbished sash. A refurbished sash unit according to claim 1,
The cover member forms a recess that is recessed with the wall on the modified sash side,
A renovated sash unit, wherein the water stop material is provided in the recess. A refurbished sash unit according to claim 1 or claim 2,
The base frame has a flat inner peripheral surface that forms an insertion opening into which the refurbished frame is inserted;
The refurbished sash unit is characterized in that the inner peripheral surface is provided with a step portion to which the cover member is attached and the surface of the cover member and the inner peripheral surface become flat. A refurbished sash unit according to any one of claims 1 to 3,
The refurbished frame has a fixing fin portion that is fixed to the housing when directly attached to the opening;
The refurbished sash unit is characterized in that the fixing fin portion is cut off when being attached via the base frame. A refurbished sash unit according to any one of claims 1 to 4,
The base frame has an extension portion in which an end portion on the indoor side extends in the direction of finding toward the inside of the opening,
The refurbished sash unit is characterized in that the indoor side of the extension part has a design surface having design properties exposed to the indoor side. A method for mounting a modified sash unit provided in an existing frame of an existing sash provided in an opening that communicates indoors and outdoors,
A cover member that covers the space between the refurbished frame of the refurbished sash and the wall provided with the opening from the outdoor side is used as a fixture on the base frame interposed between the existing frame and the newly refurbished sash. Attaching the cover member,
A base frame attaching step of attaching the base frame to which the cover member is attached to the existing frame;
A refurbishment frame attaching step of attaching the refurbished frame of the refurbished sash to the base frame;
Between the cover member and the refurbished sash, a waterstop material disposing step of providing a waterstop material whose outermost edge is located on the outdoor side of the fixture,
A method of mounting a refurbished sash unit characterized by comprising:

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