JP5433544B2 - 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 inner peripheral side of an existing frame included in an existing sash and a method for attaching the modified sash unit.

As a modified sash unit, for example, a new 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 an indoor mounting member and an outdoor mounting member (for example, , See Patent Document 1).
This new sash is taken inside the existing sash to which the indoor side mounting member and the outdoor side mounting member are attached, and is fastened to the indoor side mounting member from the indoor side with a screw, and from the outdoor side to the outdoor side mounting member. The new sash is fixed to the frame of the existing sash by fastening with screws.

JP 2009-221816 A

  The new sash as described above is taken into the inside of the existing sash and fixed to the frame of the existing sash from the indoor side and the outdoor side, respectively, so the construction is complicated, and work from the outdoor side is There is a problem that the nature is bad. In particular, when a new sash is attached to a window on a higher floor, it is necessary to lift the new sash with a crane or to assemble a scaffold, and there is a problem that the work becomes large and the construction cost increases. Further, the new sash is fixed to the existing sash only with screws, but there is a demand to attach the new sash more firmly.

  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 that can be easily and more firmly attached by work from the indoor side, and a method for attaching the modified sash unit. Is to provide.

In order to achieve such an object, the modified sash unit of the present invention is a modified sash unit provided on the inner peripheral side of an existing frame provided in an existing sash provided in an opening that communicates indoors and outdoors, and is newly provided. The refurbished sash, the frame joining member interposed between the existing frame and the refurbished frame included in the refurbished sash, and the refurbished frame and the frame joining member are joined, and the frame joining member is attached. A frame fixing member that includes a frame fixing member that includes a frame fixing portion that faces a room when the modified frame is arranged inside the existing frame and is fixed to the frame to which the existing frame is fixed. It is a sash unit.
According to such a modified sash unit, the frame joining member interposed between the existing frame and the modified frame is joined to the modified frame, and the modified frame to which the frame joining member is attached is arranged inside the existing frame. Since the frame fixing member has a frame fixing part that faces the indoor side and is fixed to the frame when the frame is fixed, the frame joining member is joined by fixing the frame fixing part to the frame from the indoor side. It is possible to fix the frame to the housing from the indoor side.

In such a modified sash unit, it is preferable that the frame fixing member fixes an existing lower frame included in the existing frame and a modified lower frame included in the modified frame to the casing.
According to such a modified sash unit, the frame fixing member can join the existing lower frame and the modified lower frame, and can fix the joined existing lower frame and the modified lower frame to the housing. For this reason, it is possible to attach the existing lower frame and the modified lower frame easily and more firmly from the indoor side.

In such a modified sash unit, it is preferable that the frame fixing member fixes an existing vertical frame included in the existing frame and a modified vertical frame included in the modified frame to the casing.
According to such a modified sash unit, the frame fixing member can join the existing vertical frame and the refurbished vertical frame, and can fix the existing vertical frame and the refurbished vertical frame to the housing. For this reason, it is possible to attach the existing vertical frame and the refurbished vertical frame more easily and more firmly from the indoor side.

In this modified sash unit, the frame fixing member has a modified frame fixing portion fixed to the modified frame, and a joining member fixing portion fixed to the frame joining member, and the modified frame fixing portion It is desirable that directions in which a coupling force is applied by the fixing member fixing the joining member fixing portion and the housing fixing portion are different from each other.
According to such a modified sash unit, the modified frame fixing portion, the joining member fixing portion, and the housing fixing portion of the frame fixing member are different from each other in the direction in which the coupling force is applied by the fixing tool. The frame fixing member is unlikely to come off simply by applying a force to the frame. For this reason, it is possible to attach the modified sash unit more firmly. Here, the fixing tool includes, for example, screws, bolts, nails, rivets, anchors, adhesives, etc., and the direction in which the binding force acts is the axial direction of the screws, bolts, nails, etc. Etc. are directions in which the parts fixed to each other face each other.

In this modified sash unit, the frame fixing member includes an existing frame supported portion supported by the existing frame fixed to the housing, and extends outward from the existing frame supported portion. A refurbished frame supporting portion that supports the refurbished frame, a housing fixing portion that extends from the existing frame supported portion to the indoor side, is placed on the housing, and is fixed to the housing, and is fixed to the refurbished frame. It is good also as having a renovated frame adhering part.
According to such a remodeled sash unit, the frame fixing member is mounted and fixed to the housing on the indoor side from the existing frame supported portion supported by the existing frame fixed to the housing. The frame fixing member is firmly fixed to the housing. And since the refurbished frame is supported on the outdoor side from the existing frame supported portion of the frame fixing member that is firmly fixed and the refurbished frame is fixed at the refurbished frame fixing portion, the refurbished frame is supported more securely. It is possible to fix to the housing. In addition, since the refurbishment frame is supported by the refurbishment frame support part that extends to the outdoor side from the existing frame supported part, the refurbishment frame projects from the existing frame to the outdoor side, for example, it is renovated to an external sash. Even in this case, it is possible to more reliably support the refurbishment frame.

In the modified sash unit, it is preferable that the modified frame support portion supports the modified frame via the frame joining member and is fixed to the frame joining member.
According to such a refurbished sash unit, the refurbished frame support portion extended to the outdoor side from the existing frame supported portion is fixed to the frame joining member, and the existing frame supported portion is connected to the frame joining member. The rigidity and strength of the existing frame supported portion and the frame joining member are increased. And since the refurbished frame is supported by the existing frame supported part with increased rigidity, it is possible to more reliably support the refurbished frame.

A method for attaching the modified sash unit, the fixing member attaching step for attaching the frame fixing member to the frame joining member, and the joining member attaching step for attaching the frame joining member to which the frame fixing member is attached to the modified frame. And a retrofit frame attaching step of attaching the frame fixing member to which the retrofit frame and the frame joining member are attached to the housing.
According to such a modified sash unit mounting method, the frame joining member and the refurbished frame are joined by the frame fixing member, and the joined frame joining is performed by fixing the housing fixing portion to the housing from the indoor side. The member, the modified frame, and the frame fixing member can be fixed to the housing from the indoor side. For this reason, it is possible to provide a method of attaching a modified sash unit that can easily attach the modified sash more easily by work from the room side.

  ADVANTAGE OF THE INVENTION According to this invention, it is possible to provide the attachment method of the remodeling sash unit which can be attached more easily and more firmly by the operation | work from the indoor side, and a remodeling sash unit.

It is a longitudinal cross-sectional view for demonstrating the renovation sash unit which concerns on 1st Embodiment. It is a horizontal sectional view for explaining the renovation sash unit concerning a 1st embodiment. FIG. 3A is a perspective view showing the lower frame joining member fixing bracket with the modified sash attached in the first embodiment, and FIG. 3B is the lower frame joining member fixing in the first embodiment. It is a perspective view which shows a metal fitting. FIG. 4A is a perspective view showing the vertical frame joining member fixing bracket with the modified sash attached in the first embodiment, and FIG. 4B is the vertical frame joining member fixing in the first embodiment. It is a perspective view which shows a metal fitting. It is a flowchart for demonstrating the attachment method of the remodeling sash unit which concerns on this embodiment. It is a perspective view for demonstrating the attachment method of the remodeling sash unit which concerns on 1st Embodiment. It is a longitudinal cross-sectional view for demonstrating the lower frame joining member fixing metal fitting of the renovated sash unit which concerns on 2nd Embodiment. It is a perspective view for demonstrating the lower frame joining member fixing metal fitting of the remodeled sash unit which concerns on 2nd Embodiment.

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

  The refurbished sash unit 1 of the first embodiment includes, for example, a newly refurbished sash 10 and a refurbished sash 10 on the inner periphery side of an existing frame 50 of an existing sash provided in an opening 2 that communicates the interior and exterior of a building. There are joining members 35, 36, and 37 for attaching the fixing members 40, 41, and 42 for attaching to the existing frame 50 and the housing 3. In the first 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, and a method of attaching the modified sash unit explain.

  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 the following embodiment, an existing existing frame 50 already provided in a building and a refurbished sash 10 refurbished so as to cover the existing frame 50 from the inside of the opening 2 appear, but parts having the same name The members will be described by adding “existing” or “renovation” before 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 on the upper end side. The existing upper frame 51 is fixed to the window lintel 3a by a fixing fin 51e provided at the upper portion and protruding upward. 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 parts vertically extending over the entire area in the direction of finding. And it is arrange | positioned from the indoor side in order of the existing upper frame facing part 51d, the existing inner upper rail 51a, the existing outer upper rail 51b, and the existing screen door upper rail 51c, and is provided so as to face each other with an interval in the prospective direction. Yes. Further, the lower ends of the existing inner upper rail 51a and the existing outer upper rail 51b extend to substantially the same position.

  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, a lower frame joining member 36, a vertical frame joining member 37, and an upper frame joining member 35 for attaching the modified sash 10. An upper frame joining member fixing bracket 40 for fixing to the window base 3b, a lower frame joining member fixing bracket 41 as a frame fixing member for fixing the lower frame joining member 36 to the window base 3b, and the vertical frame joining member 37 to the column 3c. A vertical frame joining member fixing bracket 42 as a frame fixing member for fixing to the frame, a vertical frame cover member 45 covering the existing vertical frame 53 and the modified vertical frame 23 from the outdoor side, and a lower end of the modified frame 20 on the outdoor side And a cap member 46 that covers the left and right corners of the side.

  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. Further, the refurbished screen door upper rail 21 c is provided on the most outdoor side of the refurbished upper frame 21. A refurbished picture frame facing portion 21 d facing the refurbished picture frame 60 is provided at the end of the refurbished upper frame 21 on the indoor side.

  The refurbished upper frame 21 is divided between the refurbished inner rail 21a and the refurbished outer upper rail 21b, and the outdoor portion and the indoor portion are joined together via a heat insulating material 24 to insulate. 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 22 d 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 abuts on a lower frame joining member fixing bracket 41 as a frame fixing member provided on a lower frame joining member 36 described later, and is a vertical provided on the lower frame joining member fixing bracket 41. It is fixed to the wall 41a with a countersunk screw 65 as a fixture.

  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 frame 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 recess 35f that is recessed toward the indoor side is provided at the upper end side of the existing upper frame contact piece 35d, and a modified recess 35g that is recessed toward the outdoor side is provided at the lower end side of the modified upper frame contact piece 35e. The watertight material 34 is fitted into the existing side recess 35f and the refurbishment side recess 35g, respectively.

  The upper frame joining member fixing bracket 40 is in contact with the lower edges of the existing inner upper rail 51a and the existing outer upper rail 51b, extends to the indoor side of the existing inner upper rail 51a and the outer side of the existing outer upper rail 51b, and has a flat lower surface. This is an extruded member made of aluminum provided with two rail abutting portions 40a and a connecting portion 40b that connects the two rail abutting 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, an indoor side extending portion 40d extending in a direction that sequentially rises from the outdoor edge of the indoor rail abutting portion 40a toward the outdoor side, And a positioning piece 40e extending upward from the outer edge of the rail contact portion 40a.

  The outdoor side extension part 40c is connected to the lower surface side of the indoor side extension part 40d, and the indoor side extension part 40d is further extended from the part where the outdoor side extension part 40c is connected. 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.

  Each of the lower frame joining member 36 and the left and right vertical frame joining members 37 includes aluminum frame portions 36a and 37a made of aluminum arranged on the outdoor side and wooden wooden frame portions 36b and 37b arranged on the indoor side. The aluminum frame portions 36a and 37a and the wooden frame portions 36b and 37b are fixed by a countersunk screw 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 frame fixing member.

  The lower frame joining member fixing bracket 41 includes a vertical wall portion 41a as a refurbished frame fixing portion 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 a vertical wall portion 41a. It has a horizontal plate part 41b as a joining member fixing part that is substantially perpendicular to the wall part 41a and extends to the outside of the room, and an attachment piece 41c that extends from the vertical wall part 41a to the room side and serves as a frame fixing part. ing.

  More specifically, as shown in FIG. 3, the vertical wall portion 41 a includes an upper portion 41 d that is a portion having a narrow width in the upper finding direction, and a lower portion 41 e that is a portion having a wide width in the lower finding direction. have. The width of the upper portion 41d in the finding direction is substantially half of the width of the lower portion 41e, and is formed so as to be biased to the left end side in the finding direction. Here, the lower portion 41e is a portion that comes into contact with the indoor surface of the wooden frame portion 36b, and the upper portion 41d is a portion that comes into contact with the frame facing portion 22d. A through hole 41f is formed in the center of the upper portion 41d through which a countersunk screw 65 as a fixture for joining the lower frame joining member fixing bracket 41 to the modified lower frame 22 is passed.

  A horizontal plate portion 41b extends from the upper edge of the lower portion 41e on the right end side from the center in the direction of finding to the outdoor side. The lower surface of the horizontal flat plate portion 41b is a part that comes into contact with the upper surface of the wooden frame portion 36b of the lower frame joining member 36, and a through hole 41g through which a countersunk screw 64 as a fixture is passed is formed in the center. In addition, an attachment piece 41c is formed on the lower edge of the lower portion 41e. The attachment piece 41c has an inclination that extends toward the indoor side and decreases in height as the distance from the vertical wall portion 41a increases. The attachment piece 41c has the same width as that of the lower portion 41e in the direction of finding, and a through hole 41h through which a countersunk screw 68 as a fixture is passed is provided at the center of the attachment piece 41c.

  When the refurbished frame 20 to which the lower frame joining member fixing bracket 41 is attached is arranged inside the existing frame 50, the upper surface 41i of the attachment piece 41c faces the indoor side, and the countersunk screw 68 that penetrates the through hole 41h It is configured to enter the lower side while reaching the window base 3b while tilting outward. That is, the directions in which the countersunk screws 64, 65, and 68 penetrating through the through holes 41f, 41g, and 41h provided in the vertical wall portion 41a, the horizontal plate portion 41b, and the attachment piece 41c are different from each other. That is, the directions in which the coupling forces by the countersunk screws 64, 65, 68 act are different from each other.

  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 2, 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 frame fixing members.

  The vertical frame joining member fixing metal fitting 42 includes an indoor side wall portion 42a as a refurbished frame fixing portion that is in contact with the frame-side facing portion 23c and the indoor side surface of the wooden frame portion 37b of the vertical frame joining member 37; It has a vertical piece 42b as a joining member fixing portion that is substantially perpendicular to the side wall portion 42a and extends to the outside of the room, and a vertical mounting piece 42c that extends from the indoor side wall portion 42a to the indoor side and serves as a housing fixing portion. ing. The vertical frame joining member fixing brackets 42 are attached to the left and right refurbished vertical frames 23, respectively. However, since the posture when attached depending on whether the vertical frame joining member fixing bracket 42 is attached to the left or right is rotated by 180 degrees, the right side here It will be described in a state where it is attached to the refurbished vertical frame 23.

  As shown in FIG. 4, the vertical frame joining member fixing metal fitting 42 attached to the right-hand modified vertical frame 23 has an indoor side wall portion 42 a located on the inner side of the opening 2 and an inner portion having a narrow vertical width. 42d and an outer portion 42e that is located outside the opening 2 and has a wide vertical width. The width in the vertical direction of the inner portion 42d is substantially half of the width of the outer portion 42e, and is formed so as to be biased toward the lower end in the vertical direction. Here, the outer portion 42e is a portion that comes into contact with the indoor surface of the wooden frame portion 37b, and the inner portion 42d is a portion that comes into contact with the frame facing portion 23c. A through hole 42f is formed in the center of the inner portion 42d through which the countersunk screw 65 that joins the vertical frame joining member fixing bracket 42 to the refurbished vertical frame 23 is passed.

  A vertical piece 42b extends outward from the left end of the outer portion 42e on the upper end side from the center in the vertical direction. The surface on the outer side of the opening 2 in the vertical piece 42b is a portion that comes into contact with the wooden frame portion 37b of the vertical frame joining member 37, and a through hole 42g through which the countersunk screw 64 passes is formed in the center. Further, a vertical attachment piece 42c is formed that extends from the right edge of the outer portion 42e in the left-right direction toward the room side and inclines toward the outer side of the opening 2 as it is away from the room side wall 42a. The vertical attachment piece 42c has the same width as the width of the outer portion 42e in the direction of finding, and a through hole 42h through which the countersunk screw 68 passes is provided at the center of the vertical attachment piece 42c.

  When the refurbished frame 20 to which the vertical frame joining member fixing metal fitting 42 is attached is arranged inside the existing frame 50, the inner side surface 42i of the vertical attachment piece 42c faces the indoor side, and the countersunk screw 68 that penetrates the through hole 42h is In addition, it is configured to enter the outer side of the opening 2 while reaching the outdoor side while reaching the column 3c. That is, the directions in which the countersunk screws 64, 65, and 68 penetrating through the through holes 42f, 42g, and 42h provided in the indoor side wall portion 42a, the vertical piece 42b, and the vertical attachment piece 42c are different from each other. That is, the directions in which the coupling forces by the countersunk screws 64, 65, 68 act are different from each other.

  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 is a flat plate-like member having a width arranged across 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 screwed to the surface of the vertical frame joining member 37 facing the outside and the existing insertion piece 53 d of the existing vertical frame 53.

  As shown in FIG. 5, the modified sash unit 1 according to the present embodiment includes an existing frame side joining member attaching step S <b> 1 for attaching the upper frame joining member 35 to the existing upper frame 51, and a lower frame joining member fixing bracket 41. A fixing member attaching step S2 for attaching the vertical frame joining member fixing bracket 42 to the vertical frame joining member 37 to the lower frame joining member 36, and the lower frame joining member 36 and the vertical frame joining to which the lower frame joining member fixing bracket 41 is attached. A joining member attaching step S3 for attaching the left and right vertical frame joining members 37 to which the member fixing brackets 42 are attached to the refurbished frame 20, and a remodeling frame 20 to which the lower frame joining member 36 and the left and right vertical frame joining members 37 are attached. The refurbishing frame attaching step S4 for attaching to the existing frame 50 to which the upper frame joining member fixing metal fitting 40 and the upper frame joining member 35 are attached.

  More specifically, first, the refurbishment frame 20 is framed in a rectangular shape. At this time, a seal member 28 as a watertight material is provided on the outer peripheral side of the modified lower frame 22 and the modified vertical frame 23 of the modified frame 20. The seal member 28 is located outside the wooden frame portions 36b and 37b of the lower frame bonding member 36 and the vertical frame bonding member 37 in a state where the lower frame bonding member 36 and the vertical frame bonding member 37 are attached to the refurbished frame 20. Positioned and compressed into aluminum frame portions 36a, 37a and refurbished frame 20.

  Next, the lower frame joining member fixing bracket 41 is attached to the lower frame joining member 36, and the vertical frame joining member fixing bracket 42 is attached to the left and right vertical frame joining members 37, respectively (fixing member attaching step S2). At this time, the dish that penetrates the through hole 41g of the horizontal plate portion 41b from above with the horizontal plate portion 41b placed on the upper surface of the wooden frame portion 36b fixed to the aluminum frame portion 36a of the lower frame joining member 36 The horizontal plate portion 41b is fixed to the wooden frame portion 36b with screws 64. As shown in FIG. 6, the lower frame joining member fixing metal fittings 41 are attached to, for example, three places with an appropriate interval in the direction of finding. In addition, the vertical piece 42b is in contact with the vertical piece 42b from the center side of the opening 2 in a state where the vertical piece 42b is brought into contact with the surface on the central side of the opening 2 in the wooden frame portion 37b fixed to the aluminum frame portion 37a of the vertical frame joining member 37. The vertical piece 42b is fixed to the wooden frame portion 37b with a countersunk screw 64 that passes through the through hole 42g. As shown in FIG. 6, the vertical frame joining member fixing metal fittings 42 are also attached at, for example, three locations with appropriate intervals in the vertical direction.

  Next, the lower frame joining member 36 to which the lower frame joining member fixing metal fitting 41 is attached is attached to the modified lower frame 22 of the framed refurbished frame 20, and the vertical frame joining member fixing metal fitting 42 is attached to the vertical frame joining member. 37 are respectively attached to the left and right refurbished vertical frames 23 of the framed refurbished frame 20 (joining member attaching step S3). At this time, when the engaging recess 36h of the lower frame joining member 36 is engaged with the lower frame engaging portion 22k of the modified lower frame 22 and the lower frame joining member 36 is disposed below the modified lower frame 22, the frame facing portion Since 22d is arrange | positioned at the outdoor side of the vertical wall part 41a, the vertical wall part 41a is fixed to the frame facing part 22d with the countersunk screw 65 which penetrates the through-hole 41f of the vertical wall part 41a from the indoor side. Further, when the vertical frame joining member 37 is arranged on the outer side of the opening 2 in the refurbished vertical frame 23, the frame facing portion 23c is arranged on the outdoor side of the indoor side wall portion 42a, so that the through hole 42f of the indoor side wall portion 42a from the indoor side. The indoor side wall portion 42a is fixed to the frame facing portion 23c with a countersunk screw 65 penetrating through the frame.

  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 of the aluminum frame part 37a of the vertical frame joining member 37 on the right side from the 37 aluminum frame part 37a. For this reason, the maximum width in the direction of finding the refurbished frame 20 to which the lower frame joining member 36 and the left and right vertical frame joining members 37 are attached is such that the left side surface of the aluminum frame portion 37a of the left vertical frame joining member 37 and the right side This is the width formed by the right side surface of the aluminum frame portion 37 a of the vertical frame joining member 37. At this time, 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.

  Here, the process of attaching the lower frame joining member fixing metal fitting 41 and the vertical frame joining member fixing metal fitting 42 to the refurbished frame 20 from the frame of the refurbished frame 20 may be performed at the construction site. A framework is possible.

  On the other hand, 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 (existing frame side joining member attaching step S1). 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 screws 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. 6, 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. Specifically, in a state where the refurbished frame 20 is inclined so that the lower part of the refurbished frame 20 to which the lower frame joining member 36 and the vertical frame joining member 37 are attached is located on the outdoor side and the upper part is located on the indoor side. It moves between the existing upper frame 51 and the existing lower frame 52 to which the frame joining member 35 and the lower frame bracket 39 are attached. Then, the lower frame joining member 36 attached to the modified frame 20 is positioned in the vicinity of the upper portion of the lower frame bracket 39 attached to the existing lower frame 52, and the upper part of the modified frame 20 is moved from the indoor side to the outdoor side, The refurbishment frame 20 is arranged inside the existing frame 50. At this time, the lower frame joining member 36 is placed on the existing inner lower rail 52a, and the upper surface of the modified upper frame 21 and the lower surface of the upper frame joining member 35 face each other.

  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 that penetrates the through holes 41h and 42h and reaches the window base 3b and the column 3c. (Remodeling frame mounting step S4). That is, the modified lower frame 22 is attached to the existing frame 50 via the lower frame joining member 36, the lower frame joining member fixing bracket 41, and the lower frame bracket 39. 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, a screw 70 is appropriately attached after the tree 70 is provided.

  After that, it is fixed between the refurbished frame facing portion 21d of the refurbished upper frame 21 and the refurbished inner rail 21a with a countersunk screw 69 extending to the window lintel 3a, and between the refurbished screen door upper rail 21c and the refurbished outer upper rail 21b. Then, the modified upper frame 21 is fixed with the screws 66 reaching the upper frame fixing plate portion 35a (modified frame mounting step S4). That is, the modified upper frame 21 is attached to the existing frame 50 via the upper frame bonding member 35 and the upper frame bonding member fixing bracket 40. At this time, if a gap is generated between the existing upper frame 51 to which the upper frame joining member 35 is attached and the existing frame 30 and the refurbished frame 20, a screw 70 is provided after appropriately providing the tree 70.

  The existing screen door lower rail between the lower frame bracket 39 and the screen rail indoor wall portion 39b in a state where the modified frame 20 to which the lower frame joint member 36 and the vertical frame joint member 37 are attached is disposed inside the existing frame 50. The outdoor fixing portion 36g of the lower frame joining member 36 arranged so as to sandwich the 52c is screwed to the screen door rail indoor wall portion 39b by the operation from the indoor side using the opening 2.

  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 existing insertion piece 53d of the vertical frame bonding member 37 and the existing vertical frame 53, and the cap member 46 is secured. Install. Here, the vertical frame cover member 45 and the cap member 46 are brought into contact with the vertical frame joining member 37 and the refurbished vertical frame 23 from the outdoor side, but the operator can use the refurbished frame 20 to which the reversing shoji 12a and 12b are not attached. Work from the indoor side using the inner opening.

  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 first embodiment, the lower frame joining member fixing metal fitting 41 is joined to the lower frame joined between the existing lower frame 52 of the existing frame 50 and the modified lower frame 22 of the modified frame 20. An attachment having an upper surface 41i of an attachment piece 41c that joins the member 36 and the modified lower frame 22 and faces the indoor side when the modified frame 20 to which the lower frame joining member 36 is attached is disposed inside the existing frame 50 A piece 41c is provided. Further, since the through hole 41h through which the countersunk screw 68 screwed into the housing 3b is formed is formed in the upper surface 41i of the mounting piece 41c, the lower frame joining member 36 and the modified lower frame 22 are joined. It is possible to firmly fix the modified frame 20 to the housing 3b by passing the countersunk screw 68 through the through hole 41h of the lower frame joining member fixing bracket 41. At this time, since the upper surface 41i of the mounting piece 41c faces the indoor side, the lower frame joining member 36 and the modified lower frame 22 can be easily fixed to the housing 3b from the indoor side.

  In addition, the vertical frame joining member fixing bracket 42 joins the vertical frame joining member 37 and the refurbished vertical frame 23 interposed between the existing vertical frame 53 of the existing frame 50 and the refurbished vertical frame 23 of the refurbished frame 20. In addition, when the refurbished frame 20 to which the vertical frame joining member 37 is attached is arranged on the inner side of the existing frame 50, a vertical attachment piece 42c having an inner side surface 42i facing the indoor side is provided. Further, since a through hole 42h through which a countersunk screw 68 screwed into the housing 3c is formed is formed in the inner side surface 42i of the vertical mounting piece 42c, the vertical frame joining member 37 and the modified vertical frame 23 are joined. It is possible to firmly fix the refurbished frame 20 to the housing 3c by passing the countersunk screw 68 through the through-hole 42h of the vertical frame joining member fixing bracket 42. At this time, since the inner side surface 42i of the vertical mounting piece 42c faces the indoor side, the vertical frame joining member 37 and the refurbished vertical frame 23 can be easily fixed to the housing 3c from the indoor side.

  For this reason, it is possible to provide the modified sash unit 1 that can be easily and more firmly attached to the work from the indoor side.

  Further, in the lower frame joining member fixing bracket 41, the vertical wall portion 41a, the horizontal plate portion 41b, and the mounting piece 41c are different from each other in the direction in which the countersunk screws 64, 65, and 68 are penetrated, and the countersunk screws 64, 65, Since the directions in which the coupling force 68 acts are different from each other, it is difficult for the coupling force to come off only by a predetermined force in one direction. Further, in the vertical frame joining member fixing fitting 42, the indoor side wall portion 42a, the vertical piece 42b, and the vertical mounting piece 42c are different from each other in the direction in which the countersunk screws 64, 65, 68 are penetrated, and the countersunk screws 64, 65, Since the directions in which the coupling force due to 68 acts are different from each other, the refurbishment frame fixing member is unlikely to come off only when a force in one predetermined direction acts. For this reason, it is possible to attach the modified sash unit 1 more firmly. In this embodiment, although the countersunk screws 64, 65, and 68 have been described as examples of the fixing tool for fixing the remodeling frame fixing part, the joining member fixing part, and the frame fixing part of the frame fixing member, The fixing tool is not limited to a screw, and may be a bolt, a nail, a rivet, an anchor, an adhesive, or the like. At this time, the direction in which the binding force acts is the axial direction of the bolts, nails, and the like, and the adhesive and the like are the directions in which the parts fixed to each other face each other.

  Further, according to the mounting method of the modified sash unit 1 of the first embodiment, the lower frame joining member fixing bracket 41 includes the existing lower frame 52 included in the existing frame 50 and the modified lower frame 22 of the modified frame 20 included in the modified sash 10. When the modified frame 20 to which the lower frame joining member 36 and the lower frame joining member 36 attached to the lower frame joining member 36 are disposed inside the existing frame 50 is attached. The lower frame joining member 36 and the modified lower frame are provided by having a top surface 41i facing the interior side of the housing and by passing a countersunk screw 68 through a through hole 41h provided in the top surface 41i of the mounting piece 41c and screwing it into the housing 3b. 22 can be fixed to the housing 3b from the indoor side.

  In addition, the vertical frame joining member fixing bracket 42 includes the vertical frame joining member 37 and the refurbished vertical frame interposed between the existing vertical frame 53 of the existing frame 50 and the refurbished vertical frame 23 of the refurbished frame 20 of the refurbished sash 10. 23, and when the refurbished vertical frame 23 to which the vertical frame joining member 37 is attached is arranged inside the existing frame 50, a through hole provided in the inner side surface 42i facing the room side of the vertical attachment piece 42c It is possible to let the countersunk screw 68 pass through 42h and screw it into the housing 3c from the indoor side. For this reason, it can be easily and more firmly attached by the work from the indoor side.

  In the first embodiment, the modified sash unit 1 provided on the inner peripheral side of the semi-external type existing frame 50 has been described. However, in the case where it is provided on the inner peripheral side of the internal type existing frame 50, Since the housing is present almost over the entire area in the direction of finding above the upper frame joining member, it is not necessary to fix the upper frame joining member to the rail, and it can be directly attached to the housing. For this reason, when attaching to the existing frame 50 of an internal type, without using the upper frame joining member fixing metal fitting 40, the upper frame joining member is made into a housing with a screw penetrating the existing frame between the rails of the existing frame. Secure with screws.

  The lower frame joining member 36 and the upper frame joining member fixing bracket 40 described in the first 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.

  The modified sash unit 5 according to the second embodiment is different from the modified sash unit 1 of the first embodiment in a lower frame joining member fixing bracket 41 as a frame fixing member. For this reason, here, the lower frame joining member fixing bracket 75 that replaces the lower frame joining member fixing bracket 41 of the first embodiment will be described, and the same components as those in the first embodiment will be denoted by the same reference numerals and the description thereof will be omitted. .

  The lower frame joining member fixing metal fitting 75 of the second embodiment has an attachment piece 75a as a refurbished frame fixing portion formed by bending and raising a part of a plate-like sheet metal, and extends outward from the attachment piece 75a. A flat plate-like outdoor side flat plate portion 75b and a flat plate-like indoor side flat plate portion 75c that extends to the inside of the room so as to sandwich the bent mounting piece 75a. When the attachment piece 75a is attached to the frame facing portion 22d of the modified lower frame 22, the lower frame joining member fixing metal fitting 75 is attached to the outdoor flat plate portion 75b on the outdoor side of the central leg portion 22f of the modified lower frame 22. It is formed to reach. The attachment piece 75a of the lower frame joining member fixing bracket 75 is provided with one through hole 75i for fixing the attachment piece 75a to the frame facing portion 22d, and the outdoor flat plate portion 75b has an outdoor side. One through hole 75g for fixing the flat plate portion 75b to the lower frame joining member 36 is provided, and the indoor flat plate portion 75c is provided on each of the indoor flat plate portions 75c provided on both sides of the mounting piece 75a. One through hole 75h for fixing to the housing 3 is provided one by one.

  The lower frame joining member fixing metal fitting 75 is attached to the modified frame 20 which is framed in a rectangular shape together with the lower frame joining member 36, unlike the lower frame joining member fixing metal fitting 41 of the first embodiment. The metal fitting 75 is attached (joining member attachment process S3).

  Specifically, with the lower side of the modified frame 20 facing upward, the engagement recess 36h of the lower frame joining member 36 is engaged with the lower frame engaging portion 22k of the modified lower frame 22, so The lower frame joining member 36 is placed on the refurbished lower frame 22 which is reversed, and the lower frame joining member fixing metal fitting 75 is placed thereon. At this time, the attachment piece 75a of the lower frame joining member fixing metal fitting 75 is fixed to the frame facing portion 22d with a countersunk screw 65 penetrating the through hole 75i. And the outdoor side flat plate part 75b is fixed to the modified lower frame 22 with the lower frame joining member 36 by the countersunk screw 65 which penetrates the through-hole 75g of the outdoor side flat plate part 75b.

  Thereafter, the modified frame 20 to which the lower frame joining member 36, the lower frame joining member fixing metal fitting 75, and the vertical frame joining member 37 are attached is placed inside the existing frame 50 to which the upper frame joining member 35 and the lower frame bracket 39 are attached. It arrange | positions from the room inner side, and fixes the indoor side flat plate part 75c of the lower frame joining member fixing metal fitting 75 with the countersunk screw 68 which penetrates the through-hole 75h and reaches the window base 3b which is the housing 3 (remodeling frame attachment process S4). . At this time, the portion of the outdoor flat plate portion 75b with which the existing frame 50 abuts above the fixed fin 52f where the existing lower frame 52 is fixed to the housing 3 is the existing frame supported portion 75d. A portion of the outdoor side of the supported portion 75d is a refurbished frame support portion 75e, and a portion of the indoor side of the existing frame supported portion 75d is a housing fixing portion 75f.

  In the example of the second embodiment, since the vicinity of the portion screwed by the through hole 75g of the outdoor flat plate portion 75b is in contact with the existing frame 50 above the fixed fin 52f, the existing frame supported portion 75d. The part extended to the outdoor side from the vicinity of the part screwed by the through hole 75g corresponds to the refurbished frame support portion 75e, and the interior side from the vicinity of the part screwed by the through hole. The part extended to corresponds to the housing fixing part 75f.

  According to the modified sash unit 5 of the second embodiment, the lower frame joining member fixing metal fitting 75 is connected to the housing 3 on the indoor side from the existing frame supported portion 75d supported by the existing frame 50 fixed to the housing 3. Since it is placed and fixed, the lower frame joining member fixing metal fitting 75 is firmly fixed to the housing 3. The refurbished frame 20 is supported on the outdoor side of the existing frame supported portion 75d of the lower frame joining member fixing metal fitting 75, which is firmly fixed, and the refurbished frame 20 is fixed by the mounting piece 75a. Can be more securely supported and fixed to the housing 3. Further, since the refurbished frame 20 is supported by the refurbished frame support portion 75e extending to the outdoor side from the existing frame supported portion 75d, even if the refurbished frame 20 protrudes from the existing frame 50 to the outdoor side. It is possible to support the refurbishment frame 20 more reliably.

  Further, the refurbished frame support portion 75e extending to the outdoor side from the existing frame supported portion 75d is fixed to the lower frame joining member 36, and the existing frame supported portion 75d is connected to the lower frame joining member 36 so as to be installed. The rigidity and strength of the frame supported portion 75d and the lower frame joining member 36 are increased. Since the refurbished frame 20 is supported by the existing frame supported portion 75d with increased rigidity, the refurbished frame 20 can be supported more reliably.

  In the first embodiment, only the lower frame joining member fixing bracket 41 is used as the lower fixing member, and in the second embodiment, only the lower frame joining member fixing bracket 75 is used as the lower fixing member. However, the lower frame joining member fixing bracket 41 and the lower frame joining member fixing bracket 75 may be used in combination as the lower fixing member.

  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, 3 frame, 3a window lintel, 3b window stand,
3c Pillar, 5 Refurbished sash unit, 10 Refurbished sash, 20 Refurbished frame,
22 Refurbished lower frame, 23 Refurbished vertical frame, 36 Lower frame joint member, 37 Vertical frame joint member,
41 lower frame joining member fixing bracket, 41a vertical wall portion, 41b horizontal plate portion,
41c mounting piece, 41d upper part, 41e lower part, 41f through-hole,
41g through hole, 41h through hole, 41i top surface of mounting piece,
42 vertical frame joining member fixing bracket, 42a indoor side wall, 42b vertical piece,
42c vertical mounting piece, 42d inner part, 42e outer part,
42f through hole, 42g through hole, 42h through hole, 42i inner surface, 50 existing frame,
52 Existing lower frame, 52f Fixed fin, 53 Existing vertical frame, 64 Countersunk screw,
65 countersunk screws, 68 countersunk screws, 75 lower frame joint fixing bracket, 75a mounting piece,
75b outdoor flat plate portion, 75c indoor flat plate portion, 75d existing frame supported portion,
75e refurbished frame support part, 75f housing fixing part, 75g through hole, 75h through hole,
75i through hole

Claims (7)

A refurbished sash unit provided on the inner peripheral side of an existing frame provided in an existing sash provided in an opening that communicates indoors and outdoors,
Newly renovated sash,
A frame joining member interposed between the existing frame and the modified frame of the modified sash;
as well as,
The refurbished frame and the frame joining member are joined, and when the refurbished frame to which the frame joining member is attached is arranged inside the existing frame, it faces the indoor side, and the existing frame is fixed. A frame fixing member having a frame fixing part fixed to the frame;
Refurbished sash unit characterized by having. A refurbished sash unit according to claim 1,
The refurbished sash unit, wherein the frame fixing member fixes an existing lower frame of the existing frame and a refurbished lower frame of the refurbished frame to the housing. A refurbished sash unit according to claim 1 or claim 2,
The refurbished sash unit, wherein the frame fixing member fixes an existing vertical frame of the existing frame and a refurbished vertical frame of the refurbished frame to the casing. A refurbished sash unit according to any one of claims 1 to 3,
The frame fixing member is
A refurbishment frame fixing portion fixed to the refurbishment frame;
A bonding member fixing portion fixed to the frame bonding member,
The refurbished sash unit is characterized in that directions in which a coupling force is exerted by a fixing tool fixing the remodeling frame fixing portion, the joining member fixing portion, and the housing fixing portion are different from each other. A refurbished sash unit according to claim 1 or claim 2,
The frame fixing member is an existing frame supported portion supported by the existing frame fixed to the housing;
A refurbished frame support part that extends outside the existing frame supported part and supports the refurbished frame;
A housing fixing portion that extends from the existing frame supported portion to the indoor side and is placed on the housing and fixed to the housing;
A refurbishment frame fixing portion fixed to the refurbishment frame;
Refurbished sash unit characterized by having. A refurbished sash unit according to claim 5,
The refurbished sash unit is characterized in that the refurbished frame support portion supports the refurbished frame via the frame joining member and is fixed to the frame joining member. A method for mounting the modified sash unit according to any one of claims 1 to 6,
A fixing member attaching step of attaching the frame fixing member to the frame joining member;
A joining member attaching step of attaching the frame joining member to which the frame fixing member is attached to the refurbished frame;
A refurbished frame attaching step of attaching the frame fixing member to which the refurbished frame and the frame joining member are attached to the housing;
A method of mounting a refurbished sash unit characterized by comprising:

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