JP5303497B2 - Refurbished sash unit - Google Patents

Description

The present invention relates to a modified sash unit provided in an existing frame of an existing sash.

  As a modified sash unit provided in an existing frame of an existing sash, a modified window formed by fitting a new frame into an existing old window frame provided in an opening of a building and fixing them together is known. . Such a refurbished window is joined to the old window frame using a reference member having a L-shaped cross section and a position setting member attached to the lower surface of the reference member. Specifically, the guide reference wall is applied to the lower end of an old upper frame shoji guide piece etc. of the old window frame so that the flat guide guide wall of the reference member is horizontal, and the reference member is the old window The position setting member is attached to the lower surface of the reference member so that the position setting wall of the position setting member is perpendicular to the guide reference wall, and the new upper frame is fixed to the outdoor side of the position setting wall. ing.

  The upper end of the outer peripheral frame piece of the new upper frame is formed with a stepped portion that protrudes toward the indoor side, and is provided at its tip so as to extend upward at a right angle to the stepped portion. The mounting wall is fixed to the position setting wall. In addition, the L-shaped closing wall together with the guide reference wall of the reference member extends upward from the outdoor end of the guide reference wall, and is arranged to face the outdoor frame piece of the old upper frame with a gap. Has been. At this time, the mounting wall is on the indoor side of the position setting wall, and the upper end of the mounting wall is in contact with the lower surface of the guide reference wall. Between the outdoor reference member and the new upper frame, the closed wall and the outdoor frame A space connected to the gap between the pieces is formed, and a recess is formed on the indoor side and opened to the outside of the chamber. Caulking materials are filled in the gaps and recesses between the closing wall and the outdoor frame piece (see, for example, Patent Document 1).

Japanese Patent Publication No. 63-63715

  In the above-described refurbished window, the caulking material is recessed to the indoor side from the outer peripheral side frame piece and filled into the gap between the closed wall connected to the concave portion and the outdoor side frame piece that is open to the outside of the room. Therefore, when the caulking material is deteriorated or cracked, rainwater or the like easily enters the indoor side. In particular, the reference member attached to the old upper frame has an L-shaped closed wall that forms a gap filled with caulking material, and the guide reference wall that connects the closed wall is horizontal and the interior side Since it is connected to rainwater, it is easy for rainwater to enter the room. Moreover, since a caulking material is filled in the construction site which attaches a new window frame to an old window frame, there exists a subject that the process at a site increases and construction property is bad.

  The present invention has been made in view of such a problem, and the object of the present invention is to provide a renovated sash having a high water tightness at the joint between the upper frame of the existing frame and the upper frame of the refurbished frame, which is easy to construct. To provide a unit.

  In order to achieve such an object, the modified sash unit of the present invention is a modified sash unit provided on an inner peripheral side of an existing frame of an existing sash provided in an opening that communicates indoors and outdoors, and is newly provided. A refurbished sash, an upper frame fixing plate portion that covers a lower portion of an existing upper frame included in the existing frame and to which the refurbished upper frame included in the refurbished sash is fixed, and an outdoor end of the upper frame fixing plate portion An upper frame abutting portion that is provided so as to protrude upward on the part side and is in contact with the existing upper frame from the indoor side, and is provided to protrude downward from an outer edge of the upper frame fixing plate portion. A refurbishment upper frame abutting portion on which the refurbished upper frame abuts from the indoor side, and the existing upper frame and the refurbished upper frame include the upper frame joining member. And the existing upper frame contact portion is connected to the refurbished upper frame contact portion. The refurbished upper frame abutting portion is disposed on the outermost side of the refurbished upper frame, and is in contact with an existing wall portion that is hung most on the outdoor side of the existing upper frame. This is a modified sash unit that is in contact with a wall.

According to such a modified sash unit, the modified upper frame joined to the existing upper frame via the upper frame joining member protrudes downward from the outer edge of the upper frame fixing plate portion covering the lower side of the existing upper frame. It is contacted from the indoor side to the refurbished upper frame contact portion provided. The refurbished upper frame abutting portion is provided so as to protrude upward on the outdoor side end of the upper frame fixing plate portion, and is located outside the existing upper frame abutting portion that abuts the existing upper frame from the indoor side. Is located. For this reason, between the existing upper frame and the refurbished upper frame on the outdoor side, for example, rainwater or the like that has fallen on the outdoor side of the existing upper frame is exposed from the outdoor side surface of the existing upper frame to the outdoor side of the existing upper frame contact portion. It is transmitted to the surface of the outdoor side of the abutment part of the frame. That is, in the existing upper frame, the refurbished upper frame, and the joint portion on the outdoor side, there is no route for rainwater or the like to enter the indoor side unless it rises along the existing upper frame contact portion. For this reason, it is possible to provide a renovated sash unit with high water tightness in which moisture hardly enters the indoor side. The refurbished upper frame is joined to the existing upper frame via the upper frame joining member at the outermost outdoor side of the existing upper frame and the outermost outdoor side of the refurbished upper frame. Units can be provided.
In addition, it is possible to provide high water tightness by simply bringing the existing upper frame abutting portion into contact with the existing wall portion of the existing upper frame, and bringing the modified upper frame abutting portion into contact with the modified wall portion of the modified upper frame. It is.

In the modified sash unit, it is preferable that the existing upper frame contact portion and the modified upper frame contact portion have a watertight material on the indoor side.
According to such a modified sash unit, the existing wall portion of the existing upper frame is in contact with the watertight material that the existing upper frame contact portion has on the outdoor side, and the modified upper frame contact portion is present on the indoor side. Since the renovation wall portion of the refurbishment upper frame is brought into contact with the watertight material that is being used, it is possible to further improve watertightness.

In this modified sash unit, the existing upper frame contact portion has an existing upper frame contact piece that is integrated with the upper frame fixing plate portion, and the modified upper frame contact portion is fixed to the upper frame fixing portion. A watertight material fitting portion having a modified upper frame abutting piece integral with a plate portion, wherein the watertight material is fitted on the indoor side of the existing upper frame abutting piece and the modified upper frame abutting piece It is desirable to be provided.
According to such a modified sash unit, the watertight material is provided on the existing upper frame abutting piece integral with the upper frame fixing plate portion and the modified upper frame abutting piece integral with the upper frame fixing plate portion. Since it is provided by being fitted to the watertight material fitting portion, the refurbished frame is attached to the inner peripheral side of the existing frame by fitting in advance with the existing upper frame abutting piece and the refurbished upper frame abutting piece. It is possible to provide a watertight material between the existing upper frame contact portion and the existing wall portion, and between the modified upper frame contact portion and the modified wall portion. For this reason, it is possible to provide a refurbished sash unit with high workability.

  ADVANTAGE OF THE INVENTION According to this invention, it is possible to provide the renovated sash unit which has a high watertightness in the joint part between the upper frame of the existing frame and the upper frame of the refurbished frame and is easy to construct.

It is a longitudinal cross-sectional view for demonstrating the renovation sash unit which concerns on this embodiment. It is a horizontal sectional view for explaining the remodeled sash unit concerning this embodiment. It is a perspective view for demonstrating the attachment method of the remodeling sash unit which concerns on this embodiment.

  Hereinafter, a 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 this embodiment is for attaching the refurbished sash 10 to a refurbished sash 10 that is newly provided and an existing frame 50 of an existing sash that is provided in the opening 2 that communicates the interior and exterior of the building. It has the joining members 35, 36, and 37, and the fixing members 40, 41, and 42 for attaching to the existing frame 50 and the housing 3. In the present embodiment, as shown in FIG. 1, a modified sash unit provided on the inner peripheral side of a semi-external type existing frame 50 provided in an opening 2 that communicates indoors and outdoors will be described.

  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 outward direction is shown as a prospective direction. Moreover, even if each member with which a renovation sash unit is demonstrated as a single-piece | unit, it identifies and demonstrates a direction in the direction used as an up-down direction, a finding direction, a prospective direction, etc. in the state attached to the opening 2. The lower side of the frame member attached to the upper part of the opening, the upper side of the frame member attached to the lower part of the opening 2, the right side of the frame member attached to the left side of the opening 2, and the left side of the frame member attached to the right side of the opening 2 The opening 2 and the center side or inside of the frame member will be described.

  In this embodiment, the existing existing frame 50 already provided in the building and the refurbished sash 10 attached so as to cover the existing frame 50 from the inside of the opening 2 appear, but parts and members having the same name Is described with “existing” or “renovation” in front of each name. For example, the lower frame, vertical frame, and the like that the existing frame has will be described as the existing lower frame, the existing vertical frame, and the like, and the vertical frame, the shoji, and the like that the remodeled sash 10 has will be described as a refurbished vertical frame, a refurbished 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 2 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 53 are the shape and position of the existing engagement pieces 53a that engage with the existing shoji. Although they are different, they are almost symmetrical with each other.

  The existing frame 50 includes a window lintel 3a in which the existing upper frame 51 forms the casing 3, a window base 3b in which the existing lower frame 52 forms the casing 3, and a pillar (orientation) in which the left and right existing vertical frames 53 form the casing 3. It is being fixed to 3c, respectively. The existing upper frame 51, the existing lower frame 52, and the existing vertical frame 53 are all provided in the prospective direction from the approximate center in the prospective direction of the window lintel 3a, the window sill 3b, and the pillar 3c to the outdoor side.

  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 rail 51c and the existing upper frame facing portion 51d facing the existing frame 30 are provided. The existing inner upper rail 51a, the existing outer upper rail 51b, the existing screen door upper rail 51c, and the existing upper frame facing portion 51d are connected to each other at the upper end side, and are provided with fixed fins 51e provided at the upper portion and protruding upward. It is fixed to the lintel 3a. The existing inner upper rail 51a, the existing outer upper rail 51b, the existing screen door upper rail 51c, and the existing upper frame facing portion 51d are all plate-like portions vertically suspended over the entire area in the direction of finding, The existing upper frame facing portion 51d, the existing inner upper rail 51a, the existing outer upper rail 51b, and the existing screen door upper rail 51c are arranged in this order from the room side, and are provided so as to face each other with an interval in the prospective direction. . The lower ends of the existing inner upper rail 51a and the existing outer upper rail 51b extend to substantially the same position. Here, the existing screen door upper rail 51c corresponds to an existing wall portion that is suspended from the outermost outdoor side of the existing upper frame.

  The existing lower frame 52 includes an existing inner lower rail 52a for guiding an existing inner shoji (not shown), an existing outer lower rail 52b for guiding an existing outer shoji (not shown), and an existing screen door (not shown). The existing screen door lower rail 52c for guiding the frame and the existing lower frame facing portion 52d that is in contact with the existing frame 30 are spaced apart from each other in the prospective direction. The existing inner lower rail 52a, the existing outer lower rail 52b, the existing screen door lower rail 52c, and the existing lower frame facing portion 52d are plate-like portions provided so as to protrude upward over the entire area in the finding direction. Then, from the indoor side, the existing lower frame facing portion 52d, the existing inner lower rail 52a, the existing outer lower rail 52b, and the existing screen door lower rail 52c are arranged at intervals in the prospective direction. Further, the existing lower frame facing portion 52d, the existing inner lower rail 52a, the existing outer lower rail 52b, and the existing screen door lower rail 52c are formed in a staircase shape so as to gradually decrease from the indoor side toward the outdoor side. Yes.

  The existing lower frame 52 is fixed to the window base 3b by fixing fins 52e that are placed on the window base 3b and project downward.

  The existing vertical frame 53 includes an existing vertical frame main body 53b that is a plane along the prospective direction, and an existing member that protrudes from the existing vertical frame main body 53b toward the center of the opening 2 and engages an existing door toe of an existing shoji. A combination piece 53a, an existing insertion piece 53d which is disposed outside the existing frame 50 and protrudes from the existing vertical frame main body 53b to the center side of the opening 2 and is inserted into an existing vertical fence of an existing screen door, and an existing insertion piece 53d And a fixing fin 53e protruding from the existing vertical frame main body 53b on the opposite side in the direction of finding.

  The modified sash unit 1 includes a newly installed modified sash 10, an upper frame joining member 35 for attaching the modified sash 10 to the existing frame 50, a lower frame joining member 36, a vertical frame joining member 37, and an upper frame joining member 35. Are fixed to the existing frame 50, a lower frame bonding member fixing bracket 41 as a fixing member for fixing the lower frame bonding member 36 to the existing frame 50, and a vertical frame bonding member 37. A vertical frame joining member fixing bracket 42 as a fixing member for fixing the frame to the existing frame 50, a vertical frame cover member 45 covering the existing vertical frame 53 and the modified vertical frame 23 from the outdoor side, and a modified frame on the outdoor side And a cap member 46 that covers the left and right corners on the lower end side of 20.

  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 a refurbished upper frame 21 and a 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 refurbished upper frame 21, the refurbished lower frame 22, and the left and right refurbished vertical frames 23 are extrusion-molded members, and the left and right refurbished vertical frames 23 are symmetrical with each other except for the refurbished engagement pieces 23a with the refurbished shojis 12a and 12b. It has the shape of

  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 over the entire area in the direction in which the refurbished upper frame 21 is found. Here, the refurbished screen door upper rail 21c is provided on the outermost outdoor side of the refurbished upper frame 21, and corresponds to a refurbished wall portion that hangs down on the outermost outdoor side of the refurbished upper frame. Further, a refurbished frame facing portion 21 d that faces the refurbished frame 60 is provided at the indoor end of the refurbished upper frame 21.

  Further, the refurbished 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 a heat insulating material 24 to provide heat insulation. Is secured.

  The upper surface of the refurbishing upper frame 21 on the outdoor side of the heat insulating material 24 has a slight inclination so that the indoor side is substantially horizontal from the center in the prospective direction and the outdoor side is lower toward the outdoor side than the center. It has a smooth surface. In addition, a depression is formed on the indoor side of the heat insulating material 24 lower than the portion on the outdoor side. For this reason, the refurbished upper frame 21 is formed so as not to protrude upward from a portion forming a horizontal plane.

  The refurbished lower frame 22 includes a refurbished lower rail 22a for guiding the refurbished inner shoji 12a, a refurbished outer lower rail 22b for guiding the refurbished outer shoji 12b, and a refurbished lower door rail for guiding the renovated screen door 14. 22c are spaced apart from each other in the prospective direction. A frame facing portion 22d having a plane facing the refurbished frame 60 provided on the indoor side of the refurbished sash 10 is provided at the end of the refurbished lower frame 22 on the indoor side. The lower end of the frame facing portion 22d is brought into contact with a lower frame joining member fixing bracket 41 as a fixing member provided on a lower frame joining member 36, which will be described later, and an attachment piece provided on the lower frame joining member fixing bracket 41 41c is fixed with a countersunk screw 68.

  Near the center of the part that connects the frame facing portion 22d and the modified inner lower rail 22a, the indoor leg 22e that extends downward and is supported by the lower frame joint member fixing bracket 41, and the modified inner lower rail 22a. A central leg 22f that extends downward and is supported by the lower frame joining member 36, and an outdoor leg 22g that extends below the modified outer lower rail 22b and is supported by the lower frame joining member 36. And has a connecting portion 22h in which the central leg portion 22f and the outdoor leg portion 22g are connected on the lower end side. Further, an extended portion 22i is formed on the outdoor side from the connecting portion 22h so as to extend to substantially the same position as the refurbished screen door lower rail 22c, and the front end of the extended portion 22i is engaged with the lower frame joining member 36. A lower frame engaging portion 22k is provided.

  The refurbished vertical frame 23 projects from the refurbished vertical frame main body 23b to the center side of the opening 2 and has the refurbished door frame 12c of the refurbished shoji 12a and 12b engaged with the refurbished vertical frame main body 23b. The refurbished engagement piece 23a, the frame facing portion 23c facing the refurbished frame 60 on the most indoor side of the refurbished vertical frame main body portion 23b, and the refurbished vertical frame main body portion 23b arranged on the outermost outdoor side of the refurbished frame 20. A refurbishment insertion piece 23d that protrudes toward the center side of the opening 2 and is inserted into the refurbishment vertical shaft 14a of the refurbishment screen door 14 and is arranged on the outermost outdoor side of the refurbishment frame 20 and protrudes in the direction opposite to the refurbishment insertion piece 23d And an edge portion 23e. Here, the frame facing portion 23c is a part that is in contact with a vertical frame joining member fixing bracket 42 as a fixing member provided in a vertical frame joining member 37 described later.

  The upper frame joining member 35 is an extruded member made of aluminum.

  The upper frame bonding member 35 includes an upper frame fixing plate portion 35a that covers the lower side of the existing upper frame 51 and forms a flat lower surface to which the modified upper frame 21 is fixed, and an end portion on the outdoor side of the upper frame fixing plate portion 35a. The upper frame abutting portion 35b is provided so as to protrude upward and is contacted from the indoor side to the existing upper frame 51, and the upper frame fixing plate portion 35a is provided so as to protrude downward from the outer edge of the upper frame fixing plate portion 35a. The upper frame 21 has a modified upper frame abutting portion 35c that abuts from the indoor side. The upper frame fixing plate portion 35a has a substantially flat plate shape, and when attached, the upper frame fixing plate portion 35a protrudes indoors from the existing upper frame facing portion 51d of the existing upper frame 51, and the protruding portion faces the lower surface of the existing frame 30. It is formed as follows.

    The existing upper frame contact portion 35b includes an existing upper frame contact piece 35d that is integrated with the upper frame fixing plate portion 35a, and a watertight material 34 provided on the upper end side of the existing upper frame contact piece 35d. The modified upper frame contact portion 35c includes a modified upper frame contact piece 35e integrated with the upper frame fixing plate portion 35a, and a watertight material 34 provided on the lower end side of the modified upper frame contact piece 35e. ing. Further, an existing side concave portion 35f as a watertight material fitting portion recessed toward the indoor side is formed on the upper end side of the existing upper frame contact piece 35d, and a lower portion side of the modified upper frame contact piece 35e is formed on the outdoor side. A renovation side recess 35g is provided as a watertight material fitting portion, and the watertight material 34 is fitted into the existing side recess 35f and the refurbishment side recess 35g.

  The upper frame joining member fixing bracket 40 as a fixing member is brought into contact with the lower edges of the existing inner upper rail 51a and the existing outer upper rail 51b, and is provided on the indoor side of the existing inner upper rail 51a and the outer side of the existing outer upper rail 51b. It is an aluminum extrusion-molded member provided with two rail contact portions 40a having a flat extended bottom surface and a connecting portion 40b that is connected between the two rail contact portions 40a and is recessed upward. The connecting portion 40b includes an outdoor extending portion 40c that is extended in a direction that sequentially rises from the indoor side edge of the outdoor rail contacting portion 40a of the two rail contacting portions 40a toward the indoor side. Of the two rail abutting portions 40a, the indoor side extending portion 40d extending in a direction that sequentially rises from the outer edge of the indoor side rail abutting portion 40a toward the outdoor side, the outdoor rail And a positioning piece 40e extending upward from the outer edge of the contact portion 40a.

  The outdoor side extended portion 40c is connected to the lower surface side of the indoor side extended portion 40d, and the indoor side extended portion 40d is further extended from a portion connected to the outdoor side extended portion 40c. The inclination angle of the outdoor extension 40c is larger than the inclination angle of the indoor extension 40d, and the angle formed by the outdoor extension 40c and the indoor extension 40d is about 90 degrees.

  The expected width of the outdoor rail contact portion 40a is narrower than the outdoor rail contact portion 40a, and the outdoor extension portion 40c, the outdoor rail contact portion 40a, and the positioning piece 40e are open upward. It has a groove shape. Then, the upper frame joining member is fixed by inserting the existing outer upper rail 51b inside the groove-shaped portion so that the lower edge of the existing outer upper rail 51b contacts the upper surface of the outdoor rail contact portion 40a. The metal fitting 40 is positioned.

  The lower frame joining member 36 and the left and right vertical frame joining members 37 are both aluminum aluminum frame portions 36a and 37a as metal portions disposed on the outdoor side, and wooden as non-metal portions disposed on the indoor side. Wood frame portions 36b and 37b, and aluminum frame portions 36a and 37a and wooden frame portions 36b and 37b are fixed by countersunk screws 64. The outer frame surface of the wooden frame portion 36b of the lower frame joining member 36 forms substantially the same plane as the frame facing portion 22d when the wooden frame portion 36b is fixed to the aluminum frame portion 36a and the modified sash is disposed. Is configured to do.

  The aluminum frame portion 36a of the lower frame joining member 36 has an outer facing surface portion 36c facing the outdoor side surface of the wooden frame portion 36b having a rectangular parallelepiped shape, and a lower facing surface portion 36d facing the lower surface of the wooden frame portion 36b. A wooden frame facing portion 36e formed in an L-shape, a lower facing portion 36d is provided at an extended portion 36f extending to the outdoor side, and an end portion on the outdoor side of the extending portion 36f. An engaging recess 36h that engages with the lower frame engaging portion 22k, and an outdoor fixing portion 36g that is suspended downward from the engaging recess 36h and is fixed to the existing screen door lower rail 52c via the lower frame bracket 39. have.

  The lower frame bracket 39 includes a rail fixing portion 39a that is abutted against the outdoor side of the existing outer lower rail 52a of the existing lower frame 52 and screwed, and an existing screen door lower rail 52c in a state where the rail fixing portion 39a is screwed. This is an aluminum extrusion-molded member in which a screen door rail indoor wall 39b disposed on the indoor side of the door is connected upward. The outdoor side fixing portion 36g has an existing screen door lower rail 52c sandwiched between the screen door rail indoor wall portion 39b of the lower frame bracket 39 to which the rail fixing portion 39a is screwed, and a screw penetrating the outdoor side fixing portion 36g is connected to the screen door. The rail indoor wall 39b is screwed and fixed.

  Further, the indoor side of the lower frame joining member 36 is fixed by a lower frame joining member fixing bracket 41 as a fixing member.

  The lower frame joining member fixing bracket 41 includes a vertical wall portion 41a that is in contact with the interior side surface of the wooden frame portion 36b of the lower frame joining member 36 and the frame facing portion 22d, and substantially perpendicular to the vertical wall portion 41a. A horizontal plate portion 41b extending to the outside of the room, and a mounting piece 41c extending from the vertical wall portion 41a to the indoor side.

  The aluminum frame portion 37a of the left and right vertical frame joining members 37 shares the groove portion 37c into which the outer end of the wooden frame portion 37b having a rectangular parallelepiped shape is inserted and the wall portion 37d on the outdoor side of the groove portion 37c so as to share the groove portion 37c. And a hollow portion 37e as an isolated space isolated from the wooden frame portion 37b. The hollow portion 37e of the vertical frame joining member 37 has a substantially rectangular horizontal cross section. The vertical outer surface portion 37f extends to the center side of the opening, and an engaging portion 37h that engages with the edge portion 23e of the refurbished vertical frame 23 is formed at the tip thereof.

  The left side surface of the left vertical frame bonding member 37 and the right side surface of the right vertical frame bonding member 37 are a flat side surface of the aluminum frame portion 37a located on the outdoor side and a flat surface of the wooden frame portion 37b located on the indoor side. It is formed with various sides. That is, the left vertical frame joining member 37 does not have a portion projecting to the left from the left side surface of the aluminum frame portion 37a, and the right vertical frame joining member 37 has a portion projecting to the right side from the right side surface of the aluminum frame portion 37a. It is formed so that there is no.

  The indoor sides of the left and right vertical frame joining members 37 are fixed by vertical frame joining member fixing brackets 42 as fixing members.

  The vertical frame joining member fixing bracket 42 has an indoor side wall portion 42a that is in contact with the interior side surface of the wooden frame portion 37b of the vertical frame joining member 37 and the frame facing portion 23c, and substantially perpendicular to the indoor side wall portion 42a. A vertical piece 42b extending to the outside of the room and a vertical mounting piece 42c extending from the indoor side wall 42a to the indoor side.

  When the refurbished frame 20 is attached to the existing frame 50 via the upper frame bonding member 35, the lower frame bonding member 36, and the vertical frame bonding member 37, the vertical frame cover member 45 is provided with the existing vertical frame 53 and the vertical frame bonding member. 37, a cover member provided over the outdoor side surface of the existing vertical frame 53, the vertical frame joining member 37, and the refurbished vertical frame 23 so that the boundary portion adjacent to the refurbished vertical frame 23 is not exposed to the outdoor side. The vertical frame cover member 45 has a surface plate portion 45 a having a width disposed across the upper frame bonding member 35, the lower frame bonding member 36, and the vertical frame bonding member 37, and a protrusion protruding to the indoor side of the surface plate portion 45 a. Part 45b. In the vertical frame cover member 45, the protrusion 45 b is arranged along the outer surface of the opening 2 in the vertical frame joining member 37, the surface facing the outdoor side of the vertical frame joining member 37 and the existing insertion piece of the existing vertical frame 53. Screwed to 53d.

  When attaching the modified sash unit 1 of the present embodiment to the existing frame 50, first, the modified frame 20 is framed in a rectangular shape, the lower frame joining member 36 is attached with the lower frame joining member fixing bracket 41, and the vertical frame joining is performed. The vertical frame joining member fixing brackets 42 are respectively attached to the members 37.

  In a state where the lower frame joining member 36 and the left and right vertical frame joining members 37 are attached to the refurbished frame 20, there is no portion protruding above the upper surface forming the horizontal surface of the refurbished upper frame 21, and the left vertical frame joining member There is no portion protruding from the aluminum frame part 37a on the left side and the right side from the aluminum frame part 37a of the vertical frame joining member 37 on the right side from the aluminum frame part 37a. For this reason, the maximum width in the direction of finding the modified upper frame 21 to which the lower frame joining member 36 and the left and right vertical frame joining members 37 are attached is the left side surface of the aluminum frame portion 37a of the left vertical frame joining member 37 and the right side. It is the width | variety which the right side surface of the aluminum frame part 37a which the vertical frame joining member 37 has. The width formed by the left and right aluminum frame portions 37a is narrower than the distance between the narrowest portions in the direction of finding between the left and right existing vertical frames 53.

  Next, the upper frame joining member fixing bracket 40 is attached to the existing upper frame 51, and the upper frame joining member 35 is further attached. At this time, the existing upper frame contact portion 35b is integrated with the existing side recess 35f provided on the upper end side of the existing upper frame contact piece 35d integrated with the upper frame fixing plate portion 35a, and the upper frame fixing plate portion 35a. A watertight material 34 is fitted in advance to a modified recess 35g provided on the lower end side of the modified upper frame contact piece 35e. And the upper frame joining member fixing metal fitting 40 inserts the existing outer upper rail 51b between the positioning piece 40e and the outdoor side extension part 40c from the lower side of the existing upper frame 51, and the rail contact part 40a on the outdoor side. The lower edge of the existing outer upper rail 51b is placed in contact with the upper surface of the rail. In this state, the distal end of the indoor extension part 40d is in contact with the indoor side surface of the existing outer upper rail 51b, and the outdoor extension part 40c is arranged to face the indoor side. And the countersunk screw 65 is penetrated to the outdoor side extension part 40c which faces a room inner side, and it is screwed together with the existing outer upper rail 51b. The upper frame joining member fixing bracket 40 screwed to the existing outer upper rail 51b is attached to the existing upper frame 51 in a stable state by being pressed against the existing inner upper rail 51a and the existing outer upper rail 51b.

  Next, the upper frame bonding member 35 is disposed from below the upper frame bonding member fixing bracket 40 attached to the existing upper frame 51 and fixed with countersunk screws 65 and 67. At this time, the existing upper frame contact portion 35b is pressed against the indoor side surface of the existing screen door rail 51c of the existing upper frame 51 to compress the watertight material 34 provided on the upper end side of the existing upper frame contact piece 35d. And in the state which the watertight material 34 compressed, the countersunk screw 65 which penetrates the upper frame fixing board part 35a between the existing inner upper rail 51a and the existing outer upper rail 51b from the downward direction of the upper frame fixing board part 35a. Is screwed into the indoor side extension 40d of the upper frame joining member fixing bracket 40 and protrudes inward from the existing upper frame facing portion 51d of the upper frame fixing plate portion 35a to face the existing frame 30 Is fixed with a countersunk screw 67 extending to the window lintel 3a. Further, as shown in FIG. 3, lower frame brackets 39 are attached to the existing outer lower rail 52a of the existing lower frame 52, for example, at three positions with an appropriate interval in the direction of finding.

  Next, the refurbished frame 20 to which the lower frame joining member 36 and the vertical frame joining member 37 are attached is arranged from the indoor side inside the existing frame 50 to which the upper frame joining member 35 and the lower frame bracket 39 are attached.

  Then, the outdoor side surface of the refurbished screen door rail 21c of the refurbished upper frame 21 is pressed against the refurbished upper frame abutting portion 35c to compress the watertight material 34 provided on the lower end side of the refurbished upper frame abutting piece 35e. The mounting piece 41c of the lower frame joining member fixing bracket 41 and the vertical mounting piece 42c of the vertical frame joining member fixing bracket 42 are fixed by a countersunk screw 68 extending to the window base 3b and the column 3c. Thereafter, the refurbishment upper frame 21 is fixed between the refurbishment frame facing portion 21d of the refurbishment upper frame 21 and the refurbished upper rail 21a with a flat screw 69 extending to the window lintel 3a. The refurbished upper frame 21 is fixed to the upper frame fixing plate portion 35a with screws 66 between the rail 21b. Further, the outdoor side fixing portion 36g of the lower frame joining member 36 disposed so as to sandwich the existing screen door lower rail 52c between the screen door rail indoor wall portion 39b of the lower frame bracket 39 is used to open the room. The screen door rail indoor wall 39b is screwed by work from the inside. At this time, in the case where a gap is generated between the refurbished frame 20 to which the lower frame joining member 36 and the vertical frame joining member 37 are attached and the existing frame 30, screws are attached after appropriately providing the tree 70.

  Next, the vertical frame cover member 45 is brought into contact with the vertical frame bonding member 37 and the refurbished vertical frame 23 from the outdoor side, and is screwed to the vertical frame bonding member 37 and the existing insertion piece 53 d of the existing vertical frame 53. At this time, the sealing material 33 is filled between the existing insertion piece 53 d and the surface plate portion 45 a of the vertical frame cover member 45. Here, the vertical frame cover member 45 is brought into contact with the vertical frame joining member 37 and the refurbished vertical frame 23 from the outdoor side, but the operator opens the opening inside the refurbished frame 20 to which the reversing shoji 12a and 12b are not attached. Use from the indoor side.

  Finally, the base material 62 is provided inside the existing frame 30, and the refurbished frame 60 is arranged and fixed inside the base material 62.

  According to the modified sash unit 1 of the present embodiment, the modified upper frame 21 attached to the existing upper frame 51 via the upper frame joining member 35 is the outdoor side of the upper frame fixing plate portion 35 a that covers the lower side of the existing upper frame 51. It is contacted from the indoor side to the modified upper frame contact portion 35c provided so as to protrude downward from the edge of the interior. The refurbished upper frame abutting portion 35c is provided so as to protrude upward on the outdoor side end side of the upper frame fixing plate portion 35a and is brought into contact with the existing upper frame 51 from the indoor side. 35b, the rainwater or the like that has fallen outside the existing upper frame 51 is located outside the existing upper frame 51 between the existing upper frame 51 and the refurbished upper frame 21. From the surface to the outside surface of the existing upper frame contact portion 35b, and to the outside surface of the modified upper frame contact portion 35c. For this reason, in the existing upper frame 51 and the refurbished upper frame 21 on the outdoor side, there is no path for rainwater or the like to enter the indoor side unless it rises along the existing upper frame contact portion 35b. Therefore, an object of the present invention is to provide a renovated sash unit 1 having a high water tightness in which moisture hardly enters the room. In addition, the refurbished upper frame 21 is connected via the upper frame joining member 35 by the existing screen door upper rail 51c which is the most outdoor side of the existing upper frame 51 and the refurbished screen door upper rail 21c which is the most outdoor side of the refurbished upper frame 21. Since it joins with the existing upper frame 51, it is possible to provide the modified sash unit 1 in which moisture is less likely to enter the indoor side.

  Further, the existing upper frame abutting portion 35b is brought into contact with the existing screen door upper rail 51c of the existing upper frame 51, and the modified upper frame abutting portion 35c is brought into contact with the modified screen door upper rail 21c of the modified upper frame 21, It is possible to provide high water tightness.

  Further, the existing screen door upper rail 51c of the existing upper frame 51 is brought into contact with the watertight material 34 provided outside the existing upper frame contact portion 35b, and the watertight provided on the indoor side of the refurbished upper frame contact portion 35c. Since the refurbished screen door upper rail 21c of the refurbished upper frame 21 is brought into contact with the material 34, water tightness can be further improved.

  Further, the watertight member 34 includes an existing side recess 35f provided in an existing upper frame contact piece 35d that is integrated with the upper frame fixing plate portion 35a, and a modified upper frame contact piece that is integrated with the upper frame fixing plate portion 35a. Since it is provided by being fitted to the renovation side recess 35g provided in 35e, the existing upper frame abutting portion 35b and the existing screen door upper rail can be provided by fitting in advance to the existing side recess 35f and the refurbishment side recess 35g. It is possible to provide the watertight material 34 between 51c and between the modified upper frame contact portion 35c and the modified screen door upper rail 21c. For this reason, it is possible to provide the refurbished sash unit 1 with high workability.

  In the above-described embodiment, the modified sash unit 1 attached to the semi-external type existing frame 50 has been described, but a modified sash unit attached to the internal type existing frame 50 may be used.

  The lower frame joining member 36 and the upper frame joining member fixing bracket 40 described in the above embodiment may be provided in the entire region in the finding direction, but the lower frame joining member 36 having a short width in the finding direction, A plurality of upper frame joining member fixing brackets 40 may be provided.

  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 openings, 10 refurbished sash,
20 refurbishment frame, 21 refurbishment upper frame, 22 refurbishment lower frame, 23 refurbishment vertical frame,
34 watertight material, 35 upper frame joining member, 35a upper frame fixing plate part,
35b Existing upper frame contact part, 35c Refurbished upper frame contact part, 35d Existing upper frame contact piece,
35e Refurbishment upper frame contact piece, 35f Existing recess, 35g Refurbish recess,
36 lower frame joining member, 37 vertical frame joining member, 40 upper frame joining member fixing bracket,
40a rail contact part, 40b connection part, 40c outdoor side extension part,
40d Indoor extension, 50 Existing frame, 51 Existing upper frame,
51a Existing upper rail, 51b Existing outer rail,
52 Existing lower frame, 53 Existing vertical frame

Claims (3)

A refurbished sash unit provided on an inner peripheral side of an existing frame of an existing sash, provided in an opening that communicates indoors and outdoors,
Newly refurbished sash and
An upper frame fixing plate portion that covers a lower portion of the existing upper frame of the existing frame and fixes the modified upper frame of the modified frame of the modified sash, and an upper side of the upper frame fixing plate portion on the outdoor side end side An upper frame abutting portion that is provided so as to project from the indoor side of the existing upper frame; and a renovated upper frame that is provided so as to project downward from an outer edge of the upper frame fixing plate portion. An upper frame joining member provided with a modified upper frame abutting portion abutted from the indoor side,
The existing upper frame and the modified upper frame are joined via the upper frame joining member,
The existing upper frame abutting portion is provided on the indoor side from the refurbished upper frame abutting portion, and is in contact with an existing wall portion suspended from the outermost outer side of the existing upper frame,
The refurbished sash unit is characterized in that the refurbished upper frame abutting portion is in contact with a refurbished wall portion that is suspended from the refurbished upper frame on the outermost outdoor side. A refurbished sash unit according to claim 1,
The refurbished sash unit, wherein the existing upper frame abutting portion and the refurbished upper frame abutting portion have a watertight material on the indoor side. A refurbished sash unit according to claim 2,
The existing upper frame contact portion has an existing upper frame contact piece that is integrated with the upper frame fixing plate portion,
The refurbished upper frame abutting portion has a refurbished upper frame abutting piece integral with the upper frame fixing plate portion,
A refurbished sash unit, wherein a watertight material fitting portion into which the watertight material is fitted is provided on the indoor side of the existing upper frame abutting piece and the refurbished upper frame abutting piece.

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