JP2012193600A - Renovation sash unit and method of mounting renovation sash unit - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a renovation sash unit or the like which is capable of securing a wider opening inside a renovation frame and improves a construction property.SOLUTION: A renovation sash unit is provided at an inner peripheral side of an existent frame that an existent sash provided in an opening communicating the inside and the outside of a room has. The renovation sash unit includes a renovation sash to be newly provided and a lower frame joint member. The lower frame joint member comprises an existent frame placement part which is placed in a portion where a lower rail of an existent lower frame that the existent frame has is removed and in which a renovation frame that the renovation sash has is placed and fixed, a renovation frame skeleton fixing part which is provided at a room inside of the existent frame placement part, covers an upper portion of the room inside fixed part of the existent frame at a position higher than the existent frame placement part and is fixed to a skeleton, and a renovation frame fixing part which is provided at the room outside of the existent frame placement part, extends from the existent frame placement part and faces the renovation frame, and is fixed to the renovation frame.

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 provided on the inner peripheral side of the existing frame, for example, it is attached to the inner peripheral side of the existing frame of the existing sash provided in the opening of the building via an indoor side mounting member and an outdoor side mounting member A remodeled sash is known (see, for example, Patent Document 1).

JP 2009-221816 A

  The lower frame of the existing sash to which the above-described refurbished sash is attached has uneven portions such as rails and steps for guiding the existing shoji of the existing sash. For this reason, since the refurbished sash to be installed is provided on the rail of the existing lower frame, the opening formed inside the refurbished frame becomes narrower and the refurbished frame is stably placed on the inner peripheral side of the existing frame. Because it is difficult to do, there is a problem that workability is poor.

  The present invention has been made in view of such problems, and the object of the present invention is to provide a refurbished sash unit and a refurbished sash unit excellent in workability that can secure a wider opening inside the refurbished frame. It is to provide an attachment method.

  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. A refurbished sash, and an existing frame placing portion on which a lower rail of the existing lower frame of the existing frame is placed, and the refurbished frame of the refurbished sash is placed and fixed; and A refurbished frame housing fixing portion that is provided on the indoor side of the frame mounting portion, covers an upper portion of the indoor side fixing portion of the existing frame at a position higher than the existing frame mounting portion, and is fixed to the housing, and the existing frame A lower frame joining member provided on the outdoor side of the mounting portion, and including a modified frame fixing portion that extends from the existing frame mounting portion and faces the modified frame and is fixed to the modified frame. This is a modified sash unit.

  According to such a modified sash unit, the existing frame mounting portion on which the modified frame is placed and fixed is placed below the indoor side fixed portion to which the existing frame is fixed. Since the lower rail of the existing lower frame is a part cut out, the position where the modified frame is placed can be made lower than when the modified frame is simply arranged inside the existing frame. For this reason, it is possible to make the opening formed inside the modified frame wider than when the modified frame is simply attached to the inner peripheral side of the existing frame. In addition, since the existing lower frame on which the existing frame mounting portion is placed has a lower rail and the unevenness is less, it is possible to arrange the refurbished frame in a stable state on the inner peripheral side of the existing frame. . For this reason, since the force which supports an existing frame is reduced when attaching a renovation frame to the existing frame side, it is possible to provide the renovation sash unit excellent in workability.

  In addition, the lower frame joining member fixed to the refurbished frame covers the upper part of the indoor side fixing portion on the indoor side and has the refurbished frame housing fixing portion fixed to the housing, so that the lower frame joining member is fixed The modified frame can be fixed to the frame. For this reason, it is possible to securely fix the refurbishment frame firmly to the housing and prepare for a stable state.

In this modified sash unit, it is preferable that the lower frame joining member has a vertical movement mechanism capable of moving the existing frame mounting portion in the vertical direction.
According to such a modified sash unit, the lower frame joining member is mounted on the existing lower frame, and the existing frame mounting portion on which the modified frame is mounted and fixed is moved in the vertical direction by the vertical movement mechanism. Since it is possible, it is possible to change the vertical position where the refurbishment frame is placed.

In this modified sash unit, the lower frame joining member includes a facing portion that is connected to the existing frame mounting portion and faces a portion where the lower rail is cut off, and the vertical movement mechanism includes the facing portion or the It penetrates the existing frame mounting portion in the vertical direction and is screwed together, and the lower end is supported by the portion where the lower rail is cut and rotated to move the existing frame mounting portion in the vertical direction. It is desirable to have a rotationally moving member to be moved.
According to such a modified sash unit, the existing frame mounting portion is moved in the vertical direction with respect to the portion where the lower rail supporting the rotary moving member is cut off by the rotation of the rotary moving member of the vertical moving mechanism. It is possible to move. For this reason, it is possible to move an existing frame mounting part to an up-down direction only with respect to the site | part from which the lower rail was excised only by rotation of a rotational movement member. Further, since the rotationally moving member penetrates the opposing part or the existing frame mounting part in the vertical direction and is screwed, the rotationally moving member slightly and quantitatively moves the existing frame mounting part in the vertical direction. It is possible to move.

In such a refurbished sash unit, the lower frame joining member is formed to be narrower than the width in the direction of finding the refurbished frame, and is spaced from each other between the existing frame and the refurbished frame in the direction of finding. It is desirable to intervene multiple times.
According to such a modified sash unit, since the lower frame joining member is narrower than the width in the direction of finding the modified frame, the lower frame joining member can be formed with high accuracy and can be manufactured at low cost. is there. In addition, since a plurality of lower frame joining members are interposed between the existing frame and the refurbished frame with a space between each other, it is easier to attach the lower frame joining member than when integrally formed with the same length as the length in the direction of finding. For this reason, workability is good and it is possible to provide the refurbished frame in a more stable state.

In the modified sash unit, it is preferable that the plurality of lower frame joining members are connected by a connecting member interposed between the existing frame mounting portion and the modified frame.
According to such a modified sash unit, since the plurality of lower frame joining members interposed between the existing frame mounting portion and the modified frame are connected by the connecting member, the existing lower frame is distorted. However, it is possible to adjust the part where the refurbishment frame is placed to be flat as a whole.

In this modified sash unit, the modified lower frame included in the modified frame has a heat insulating material interposed between the indoor portion and the outdoor portion, and the indoor portion and the outdoor portion. Are preferably fixed to the lower joining member.
According to such a refurbished sash unit, the refurbished lower frame of the refurbished frame has a heat insulating material interposed between the indoor side part and the outdoor side part, and the indoor side part and the outdoor side part Are fixed to the lower joint member, so that even if the heat insulating material is damaged due to a fire or the like, the indoor side part and the outdoor side part should be kept on the housing side via the lower frame joint member, respectively. Is possible.

  Further, it is an attachment method of a modified sash unit for attaching a modified sash to an inner peripheral side of an existing frame provided in an opening that communicates with the outside of the room, and a lower rail of the existing lower frame that the existing frame has A rail cutting step for cutting, a lower frame joint member attaching step for fixing a lower frame joint member interposed between the existing lower frame and the modified frame included in the modified sash to the modified frame, and the modified frame fixed A modified frame placing step of placing the lower frame joining member placed on a portion of the existing lower frame where the lower rail is removed; and when the modified frame is placed on the existing frame, the lower frame Covering the indoor side fixing portion where the existing frame is fixed above the existing frame mounting portion placed on the existing frame of the joining member at the indoor side portion of the lower frame joining member, and Lower frame joint member for fixing the lower frame joint member to the housing A method of attaching the refurbished sash units characterized by having a constant step.

  According to such a method of mounting the modified sash unit, the modified frame is fixed to the lower frame joint member interposed between the existing lower frame and the modified frame of the modified sash, and the modified frame is fixed to the lower frame. Since the frame joining member is placed at the site where the lower rail of the existing lower frame is removed, the position where the modified frame is placed can be made lower than when the modified frame is simply placed inside the existing frame. Is possible. For this reason, it is possible to make the opening formed inside the modified frame wider than when the modified frame is simply attached to the inner peripheral side of the existing frame. At this time, the existing lower frame on which the existing frame mounting portion is placed has a lower rail and the unevenness is small, so that the refurbished frame can be stably placed on the inner peripheral side of the existing frame. is there. For this reason, since the force which supports an existing frame is reduced when attaching a renovation frame to the existing frame side, it is easy to construct and can be easily renovated.

  Further, when the refurbished frame is placed on the existing frame, the indoor side fixing portion to which the existing frame is fixed is covered with the indoor side portion of the lower frame bonding member and the lower frame bonding member is fixed to the housing. Therefore, the refurbished frame to which the lower frame joining member is fixed can be fixed to the same frame as the existing frame. For this reason, it is possible to securely fix the refurbishment frame firmly to the housing and prepare for a stable state.

In this method of attaching a modified sash unit, a plurality of the lower frame joining members are interposed between the existing lower frame and the modified frame at a distance from each other, and each of the lower frame joining members is The lower frame joining member has an adjustment mechanism capable of adjusting the position of the portion fixed to the refurbished frame, and the plurality of lower frame joining members are arranged on the existing lower frame from which the lower rail is cut off. Preferably, the position of the portion fixed to the refurbished frame is adjusted by the adjusting mechanism and then fixed to the refurbished frame.
According to such a modified sash unit mounting method, a plurality of lower frame joining members interposed between the existing lower frame and the modified frame at a distance from each other are provided on the existing lower frame from which the lower rail is cut, That is, after the position of the part fixed to the refurbishment frame of each lower frame joint member is adjusted at the part to be attached, it is fixed to the refurbishment frame. Fixed. For this reason, it is possible to attach the modified frame in an appropriate state by attaching the modified frame to which the lower frame joining member adjusted to an appropriate position is fixed on the existing lower frame. Further, since the lower frame joining member is adjusted in a state in which the refurbishment frame is not attached, it is easy to adjust, so that more appropriate adjustment can be easily performed.

  According to the present invention, it is possible to provide a modified sash unit and a method for attaching the modified sash unit that can secure a wider opening inside the modified frame.

It is a longitudinal cross-sectional view for demonstrating the attachment method of the remodeling sash unit which concerns on 1st Embodiment, and a remodeling sash unit. It is a horizontal sectional view for explaining the attachment method of the refurbished sash unit and the refurbished sash unit according to the first embodiment. 3A is a longitudinal sectional view of the existing upper frame, and FIG. 3B is a longitudinal sectional view of the existing lower frame. 4A is a longitudinal sectional view of the modified upper frame, FIG. 4B is a longitudinal sectional view of the modified lower frame, and FIG. 4C is a horizontal sectional view of the modified vertical frame. . It is a perspective view of the lower frame joining member of a 1st embodiment. It is a flowchart for demonstrating an example of the attachment method of the remodeling sash unit which concerns on 1st Embodiment. It is a longitudinal cross-sectional view for demonstrating the modified sash unit which concerns on 2nd Embodiment, and the attachment method of a modified sash unit. It is a perspective view which shows the lower frame joining member and connection member of 2nd Embodiment. It is a perspective view of the lower frame joining member of a 2nd embodiment. It is a flowchart for demonstrating an example of the attachment method of the remodeling sash unit which concerns on 2nd Embodiment.

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

  As shown in FIGS. 1 and 2, the refurbished sash unit 1 according to the first embodiment of the present invention is provided, for example, in a newly refurbished sash 10 and an opening 2 that communicates the interior and exterior of a building. It has joining members 35, 36, and 37 for attaching the modified sash 10 to the inner peripheral side of the existing frame 50 of the existing sash. In the first embodiment, a modified sash unit provided on the inner peripheral side of a semi-externally installed type frame 50 provided in the opening 2 that communicates indoors and outdoors, and a method of attaching the modified sash unit will be described. The refurbished sash 10 includes a refurbished shoji screen and a refurbished screen door, which are omitted in FIGS.

  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 sliding sliding doors, and the existing upper frame 51, the existing lower frame 52, and the left and right existing vertical frames 53 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 have the shape and position of the existing engagement pieces 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.

  Since the existing frame 50 of this embodiment is processed into the existing upper frame 51 and the existing lower frame 52 when the refurbished sash 10 is attached, the existing upper frame 51 and the existing lower frame 52 before and after processing are shown in FIG. Will be explained.

  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, the existing outer upper rail 51b, and the existing screen door upper rail 51c are extended to substantially the same position.

  The existing lower frame 52 is, in a state before being processed, an existing inner lower rail 52a for guiding an existing inner shoji (not shown) and an existing outer lower for guiding an existing outer shoji (not shown). A rail 52b, an existing screen door lower rail 52c for guiding an existing screen door (not shown), and a floor material facing portion 52d as an indoor side fixing portion fixed in contact with the floor material 4 on the indoor side. , Spaced apart from each other in the prospective direction. From the upper end of the flooring facing part 52d, a flooring covering part 52e is provided which extends toward the indoor side and covers the upper surface of the end of the facing flooring 4, and the flooring covering part 52e is screwed from above. It is fixed to the flooring 4 at 61.

  In addition, the existing lower frame 52 is disposed at a position where the floor covering 52e located on the indoor side is the highest, and has a substantially horizontal plane formed on the outside of the floor lower than the floor covering 52e. It has a projecting indoor side stepped portion 52f, and has a central stepped portion 52g on the outside of the room, which is formed in a substantially horizontal plane lower than the indoor side stepped portion 52f and on which an existing outer lower rail 52b protrudes, On the outdoor side, there is an outdoor step 52h that is formed in a substantially horizontal plane formed lower than the central step 52g and on which an existing screen door lower rail 52c projects. In other words, the existing lower frame 52 has four substantially horizontal parts such as a floor covering portion 52e, an indoor step 52f, a central step 52g, and an outdoor step 52h so as to become lower sequentially from the indoor side toward the outdoor side. Are arranged in a staircase pattern.

  In addition, the existing lower frame 52 is connected to the existing extended portion 52i extending from the central step portion 52g to the indoor side and the existing vertical portion 52j extending downward from the floor material facing portion 52d. A housing fixing portion 52k is provided that protrudes indoors and downward from a position slightly higher than a portion of the hanging portion 52j where the existing extending portion 52i and the existing hanging portion 52j are connected.

  In the existing lower frame 52, the existing extending portion 52i is placed on the window base 3b, and the fixed fin 52l protruding downward is brought into contact with the outer surface of the window base 3b. The housing fixing portion 52k is fixed to the window base 3b with screws 61 and 62.

  When the modified sash unit 1 is attached to the inner peripheral side of the existing frame 50, the existing inner / lower rail 52a is aligned with the upper surface of the indoor side step portion 52f, and the existing outer lower rail 52b is aligned with the upper surface of the central step portion 52g. Thus, the existing screen door lower rail 52c is cut off in accordance with the upper surface of the outdoor stepped portion 52h.

  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 refurbished sash unit 1 covers a newly installed refurbished sash 10, an upper frame joining member 35 for attaching the refurbished sash 10, a lower frame joining member 36, a vertical frame joining member 37, and the outdoor side of the existing upper frame 51. And an existing frame cover 38.

  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. Therefore, when used for refurbishment, as shown in FIG. 4, the refurbishment upper frame 11a, the refurbishment lower frame 11b, and the refurbishment vertical frame 11c are all fixed fins 13d, 14k for fixing to the frame when newly installed. , 15g is used by excising part or all. Since the left and right refurbished vertical frame bodies 15 have symmetrical shapes that are different from each other except for the refurbishment engagement piece 15a with the refurbished shoji, only the left refurbished vertical frame 11c is shown in FIG. Description of the refurbished vertical frame 11c will be omitted.

  The refurbished frame 11 of the refurbished sash 10 is also a frame for a sliding shoji, and the refurbished upper frame 11a having refurbished rails 13a, 13b, 14a and 14b for guiding refurbished shoji (not shown) of the refurbished sash 10 and the refurbished lower frame The frame 11b and the left and right refurbished vertical frames 11c are framed in a rectangular shape.

  The modified upper frame 11a, the modified lower frame 11b, and the left and right modified vertical frames 11c are all extrusion members.

  The refurbished upper frame 11a has a refurbished upper frame main body 13 and an upper frame fixing member 17 that is fitted to the interior side portion of the refurbished upper frame main body 13 and connected to the refurbished frame 60 (FIG. 1). .

  The refurbished upper frame body 13 includes a refurbished upper rail 13a for guiding a refurbished inner shoji, a refurbished outer upper rail 13b for guiding a refurbished outer shoji, and a refurbished screen upper rail 13c for guiding the renovated screen door. Are spaced apart from each other in the prospective direction. The refurbished inner rail 13a, the refurbished outer rail 13b, and the refurbished screen door upper rail 13c are vertically suspended over the entire area in the direction in which the refurbished upper frame body 13 is found. The refurbished screen door upper rail 13 c is provided on the outermost outdoor side of the refurbished upper frame body 13. In addition, a fixed fin 13d that extends upward and is fixed to the housing 3 when used as a new sash is provided on the upper portion of the refurbished upper frame body 13. When the fixed fin 13d is used as the modified sash 10, as shown in FIG.

  The refurbished upper frame body 13 is divided between the refurbished inner rail 13a and the refurbished outer upper rail 13b, and the outdoor portion and the indoor portion are joined via a heat insulating material 72. Thermal insulation is ensured.

  The upper surface of the refurbished upper frame body 13 on the outside of the heat insulating material 72 is provided with a slight inclination so that the indoor side is substantially horizontal from the center in the prospective direction, and the outdoor side is lower from the center toward the outdoor side. It has a smooth surface. In addition, a recess is formed on the indoor side of the heat insulating material 72 lower than the portion on the outdoor side. For this reason, the refurbished upper frame body 13 is formed so as not to protrude upward from a portion forming a horizontal plane.

  The upper frame fixing member 17 is fitted to a fitting portion 17a that is fitted to a portion of the modified upper frame body 13 that is located on the indoor side from the modified inner upper rail 13a, and is extended from the fitting portion 17a to the indoor side to the modified frame 60. And a frame fixing portion 17b to be screwed.

  The refurbished lower frame 11b includes a refurbished lower frame main body 14, an outer cover member 19a that covers the space between the refurbished inner lower rail 14a and the refurbished outer lower rail 14b, and an inner cover member that covers a portion on the indoor side from the refurbished inner lower rail 14a. 19b and a wall portion 19d (FIG. 1) inserted between the modified lower frame body 14 and the modified frame 60 in the prospective direction, and the upper end extends in the indoor / outdoor direction so that the modified lower frame body 14 and the modified frame And a frame cover 19c (FIG. 1) covering the space 60.

  The refurbished lower frame body 14 includes a refurbished lower rail 14a for guiding a refurbished inner shoji, a refurbished outer lower rail 14b for guiding a refurbished outer shoji, and a refurbished lower door rail 14c for guiding the renovated screen door. Are spaced apart from each other in the prospective direction. A frame facing portion 14 d having a flat surface 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 body 14 on the indoor side. The lower end of the frame facing portion 14d is brought into contact with a lower frame joining member 36, which will be described later, and the modified extension portion 14e extending to the indoor side overlaps with the lower frame joining member 36 and is fixed by screws 61. .

  At the center of the portion connecting the frame facing portion 14d and the modified inner lower rail 14a, there is an indoor leg 14f that extends downward and is supported by the lower frame joining member 36, and slightly more than the modified inner lower rail 14a. A central leg portion 14g extending downward from the outdoor side and supported by the lower frame joining member 36, and an outdoor side leg portion 14h extending downward from the modified outer lower rail 14b and supported by the lower frame joining member 36. And a connecting portion 14i for connecting the central leg portion 14g and the outdoor leg portion 14h on the lower end side. In addition, an extended portion 14j extending from the connecting portion 14i to the outdoor side of the remodeled screen door bottom rail 14c is formed on the outdoor side, and the tip of the extended portion 14j is bent toward the indoor side. Further, at the lower part of the modified lower frame main body 14, there are provided fixing fins 14 k that extend downward from the central leg 14 g and are fixed to the housing 3 when used as a new sash. When this fixed fin 14k is used as the modified sash 10, it is cut as shown in FIG.

  The refurbished lower frame body 14 is divided between the refurbished inner rail 13a and the center leg 14g, and the refurbished inner rail 13a side portion and the central leg 14g side portion are insulated. The heat insulating property is ensured by being joined via.

  The refurbished vertical frame 11 c includes a refurbished vertical frame main body 15 and a vertical frame fixing member 18 that is fitted to the indoor side portion of the refurbished vertical frame main body 15 and connected to the refurbished frame 60.

  The refurbished vertical frame body 15 has a refurbished vertical frame expectation portion 15b having a plane along the prospective direction, and a refurbished door toe that is refurbished from the refurbished vertical frame prospective portion 15b to the center side of the building opening. An engagement piece 15a, a room-side engagement portion 15c that protrudes from the indoor edge of the refurbished vertical frame expectation portion 15b to the outer peripheral side of the refurbished frame 11 and is disposed on the indoor side of the vertical frame joining member 37, The vertical frame inner protrusion 15d that protrudes from the indoor edge of the frame expectation portion 15b to the inner peripheral side of the refurbishment frame 11, and the refurbishment frame 11 from the refurbishment vertical frame expectation portion 15b that is disposed on the outermost outdoor side of the refurbishment frame 11. The refurbishment insert 15e that protrudes on the inner peripheral side of the renovation screen and is inserted into the refurbishment vertical shaft of the refurbishment screen door, and the refurbishment vertical frame that protrudes to the opposite side in the direction of finding the refurbishment insert 15e at the edge of the refurbishment frame 11 And an edge portion 15f.

  Further, a fixed fin 15g is provided so as to protrude from the refurbished vertical frame expectation portion 15b of the refurbished vertical frame body 15 to the outer peripheral side of the opening 2 and to be fixed to the housing 3 when used as a new sash. When this fixed fin 15g is used as the modified sash 10, it is cut as shown in FIG.

  The vertical frame fixing member 18 includes a fitting portion 18a that is fitted to a portion of the refurbished vertical frame body 15 on the indoor side, and a frame fixing that extends from the fitting portion 18a to the indoor side and is screwed to the refurbished frame 60. Part 18b.

  The upper frame joining member 35 is an aluminum extrusion-molded member, and is provided in almost the entire area of the existing upper frame 51 in the direction of finding.

  The upper frame joining member 35 is in contact with the lower edges of the existing inner upper rail 51a and the existing outer upper rail 51b and has a flat bottom surface, and the upper side from the indoor end of the rail abutting portion 35a. The indoor side wall portion 35b disposed between the existing inner upper rail 51a and the existing upper frame facing portion 51d, and the outdoor end of the rail abutting portion 35a. It has the outdoor side wall part 35c arrange | positioned on the outdoor side from the upper rail 51b. When the outdoor side wall portion 35c is abutted against the outdoor side surface of the existing outer upper rail 51b and is screwed to the upper frame joining member 35, the indoor side wall portion 35b is opposed to the existing inner upper rail 51a and the existing upper frame facing portion. Arranged at approximately the center of 51d. And the screw | thread 63 which penetrates the rail contact part 35a from the downward direction of the upper frame joining member 35 is fixed to the lintel 3a from between the indoor side wall part 35b and the existing inner upper rail 51a.

  The lower frame bonding member 36 is formed by bending a steel plate by press working, and the width in the direction of finding the lower frame bonding member 36 is sufficiently narrower than the width in the direction of finding the modified lower frame 11b. For this reason, a plurality of lower frame joining members 36 are provided between the modified lower frame 11b and the existing lower frame 52 with appropriate intervals in the direction of finding.

  As shown in FIG. 5, the lower frame joining member 36 is placed on the upper surface of the indoor side stepped portion 52f from which the existing inner and lower rails 52a are cut, and protrudes above the central stepped portion 52g to face the central stepped portion 52g. The existing frame placement portion 36a on which the modified lower frame 11b is placed, the indoor vertical portion 36b erected upward from the indoor end of the existing frame placement portion 36a, and the indoor vertical portion 36b An existing frame cover part 36c as a refurbished frame housing fixing part arranged so as to cover the upper surface of the floor covering part 52e of the existing lower frame 52 with the upper end extending to the indoor side, and the center of the existing frame mounting part 36a A side wall portion 36d that is suspended from the end portion in the direction of finding the portion that protrudes toward the stepped portion 52g and abuts against the central stepped portion 52g, and that protrudes toward the outdoor side from the lower end side of the side wall portion 36d and is mutually connected. The refurbished lower frame 11b is formed by being bent on the opposite side. Bis fixed to Hisashiashi portion 14g has a screw fixing portion 36e penetrating.

  Here, the existing frame covering part 36c is provided on the indoor side of the existing frame mounting part 36a, and is a floor covering part as an existing frame housing fixing part of the existing lower frame 52 at a position higher than the existing frame mounting part 36a. The upper part of 52e is covered and it corresponds to the renovated frame housing fixing | fixed part fixed to the housing 3 with the floor covering part 52e. Further, a screw fixing portion 36e is provided outside the existing frame mounting portion 36a, is suspended from the existing frame mounting portion 36a, faces the modified lower frame 11b, and is fixed to the modified lower frame 11b. It corresponds to the part.

  The left and right vertical frame joining members 37 are aluminum extruded members and have substantially the same length as the refurbished vertical frame 11c. The left and right vertical frame joining members 37 have a symmetrical shape in which left and right are reversed, and the same member is used. Here, the left vertical frame joining member 37 will be described as an example.

  The vertical frame joining member 37 includes a vertical frame facing portion 37a that is arranged to face the refurbished vertical frame expectation portion 15b of the refurbished vertical frame 11c with a distance in the direction of finding, and an end portion on the outdoor side of the vertical frame facing portion 37a. From the indoor side end of the vertical frame opposing portion 37a to the outdoor side engagement portion 37b extending from the center of the opening 2 to the center side of the opening 2 and engaged with the modified vertical frame edge 15f of the modified vertical frame 11c. A screw fixing portion 37c that extends to the center side, is arranged outside the indoor side engaging portion 15c of the refurbished vertical frame 11c and is screwed to the refurbished vertical frame 11c, and is connected to the vertical frame facing portion 37a to fix the screw. It has the indoor side extension part 37d extended to the indoor side from the part 37c. When the vertical frame joining member 37 is fixed to the refurbished vertical frame 11c, the indoor side extending portion 37d extends from the vertical frame fixing member 18 fitted to the refurbished vertical frame main body 15 to the indoor side, and A screw is passed through a portion extending from the frame fixing member 18 to the indoor side, and is fixed to the housing 3.

  The existing frame cover 38 includes a cover holding member 39 fixed to the existing screen door upper rail 51 c that forms the outdoor side surface of the existing upper frame 51, and a cover member 40 fitted to the cover holding member 39. . The cover holding member 39 is a member having a substantially U-shaped cross section, and is provided in almost the entire region along the direction in which the existing upper frame 51 is found. The open side of the U-shaped cover holding member 39 is directed to the outdoor side, and the unopened portion 39a is brought into contact with the existing upper frame 51 and screwed. The open side edge portion of the cover holding member 39 has a bent portion 39b that is bent in a direction facing each other. On the other hand, the cover member 40 covers the existing screen door upper rail 51c of the existing upper frame 51 and extends to the upper surface of the modified upper frame 11a, and protrudes to the indoor side of the cover plate 40a to hold the cover. It has two fitting pieces 40b fitted to the bent portion 39b of the member 39. That is, the existing frame cover 38 covers the existing upper frame 51 exposed to the upper part of the modified upper frame 11a by fitting the cover member 40 to the cover holding member 39 fixed to the existing screen door upper rail 51c of the existing upper frame 51. It is formed as follows.

  As shown in FIG. 6, the modified sash unit 1 according to the first embodiment is cut out by removing the existing inner lower rail 52a, the existing outer lower rail 52b, and the existing screen door lower rail 52c of the existing lower frame 52 of the existing frame 50. Rail cutting step S1 to be performed, lower frame joining member attaching step S2 for fixing the lower frame joining member 36 interposed between the existing frame 50 and the modified frame 11 of the modified sash 10 to the modified frame 11, and the modified frame 11 Is mounted on the indoor step 52f where the existing inner and lower rails 52a of the existing lower frame 52 are removed, and the modified frame 11 is attached to the existing lower frame 52. When placed, the floor covering portion 52e in which the existing frame 50 is fixed to the housing 3 above the existing frame placement portion 36a placed on the existing lower frame 52 of the lower frame joining member 36. The existing frame cover on the indoor side of the lower frame joining member 36 Covering at 36c, it has a lower frame joining member fixing step S4 for fixing the lower frame joining member 36. Here, the order of the rail cutting step S1 and the lower frame joining member attaching step S2 may be reversed or may be performed simultaneously.

  More specifically, first, a part of the existing screen upper rail 51c of the existing frame 50, the existing inner lower rail 52a, the existing outer lower rail 52b, and the existing screen door rail 52c are cut out (rail cutting step S1). At this time, the existing screen door upper rail 51c of the existing frame 50 is cut off at the lower end side so as not to obstruct when the upper frame joining member 35 is screwed to the existing outer upper rail 51b, but more than half from the upper end side. The part of is left. Further, the existing inner lower rail 52a, the existing outer lower rail 52b, and the existing screen door rail 52c are all cut so that the cut portions are flat. Therefore, after the existing inner lower rail 52a, the existing outer lower rail 52b, and the existing screen door rail 52c are cut, the indoor side step portion 52f, the central step portion 52g, and the outdoor step portion 52h all have a flat upper surface. ing. Here, the existing inner lower rail 52a and the existing outer lower rail 52b, which are provided in the indoor side stepped portion 52f and the central stepped portion 52g on which the lower frame joining member 36 is placed, are cut off. This corresponds to the lower rail that is cut off at the site where is mounted.

  Next, the indoor side wall portion 35b of the upper frame joining member 35 is disposed between the existing inner upper rail 51a and the existing upper frame facing portion 51d, and the outdoor side wall portion 35c is provided with the existing outer upper rail 51b and the existing screen door upper rail 51c. The upper frame joining member 35 is fixed to the existing upper frame 51 so as to cover the existing inner upper rail 51a and the existing outer upper rail 51b from below. At this time, the rail contact portion 35a of the upper frame joining member 35 is brought into contact with the lower ends of the existing inner upper rail 51a and the existing outer upper rail 51b. Then, the indoor side surface of the outdoor side wall portion 35c is brought into contact with the outdoor side surface of the existing outer upper rail 51b, and a screw passing through the rail contact portion 35a from below is connected to the existing inner upper rail 51a and the indoor side wall portion 35b. And screwed into the housing 3 through the gap.

  At this time, the refurbishment frame 11 is framed in a rectangular shape. As shown in FIGS. 4 (a) to 4 (c), the fixed fin 13d extended above the refurbishment upper frame 11a of the refurbishment frame 11 has a substantially upper half on the center of the refurbishment lower frame 11b. All of the fixed fins 14k extending below the leg portions 14g are cut away with the fixed fins 15g of the refurbished vertical frame 11c leaving a part on the refurbished vertical frame expected portion 15b side.

  A plurality of lower frame joining members 36 are arranged on the modified lower frame 11b of the framed modified frame 11 at intervals in the finding direction, for example, distributed from the center in the finding direction and screwed. Specifically, the refurbished extension portion 14e is brought into contact with the existing frame mounting portion 36a, and is fixed to the lower frame joining member 36 with a screw 64 that penetrates the refurbished extension portion 14e extended to the indoor side. The screw fixing part 36e is fixed to the central leg part 14g of the modified lower frame 11b with a screw 65 penetrating from the indoor side (lower frame joining member attaching step S2). At this time, the cover holding member 39 is screwed to the remaining portion of the fixed fin 13d of the modified upper frame 11a. Also, the left and right refurbished vertical frames 11c are screwed to the vertical frame joining members 37, and the left and right refurbished vertical frames 11c have left and right refurbished parts at the upper and lower ends. A cap member (not shown) that covers the hollow portion that is formed by attaching the vertical frame joining member 37 to the vertical frame 11c and communicates with the upper and lower sides is attached. Here, the process of attaching the lower frame joining member 36, the vertical frame joining member 37, and the cap to the refurbished frame 11 by framing the refurbished frame 11 from the cutting of the fixing fins 13d, 14k, and 15g of the refurbished frame 11 is a construction site. However, if it is performed in advance at the factory, it is possible to provide a more accurate framework.

  Next, the modified frame 11 in which the lower frame joining member 36 is fixed to the modified lower frame 11 b and the vertical frame joined member 37 is fixed to the left and right modified vertical frames 11 c is arranged on the inner peripheral side of the existing frame 50. Specifically, the refurbished frame 11 to which the lower frame joining member 36 and the vertical frame joining member 37 are attached is inserted from the outdoor side into the existing frame 50 to which the upper frame joining member 35 is attached. At this time, the lower surface of the existing frame placing portion 36a of the lower frame joining member 36 attached to the refurbished frame 11 is placed on the indoor side step portion 52f of the existing lower frame 52 (renovated frame placing step S3), and the side wall When the lower edge of the portion 36d is brought into contact with the central step portion 52g, the existing frame covering portion 36c of the lower frame joining member 36 attached to the modified lower frame 11b is disposed on the floor covering portion 52e of the existing lower frame 52. The On the upper frame side, the room-side surface of the remaining portion of the fixed fin 13d of the modified upper frame 11a is brought into contact with the outdoor-side surface of the outdoor-side wall portion 35c that is in contact with the existing outer upper rail 51b.

  Then, the remodeled upper frame 11a is fixed by screwing a screw 65 penetrating from above the remaining portion of the fixed fin 13d and the outdoor side wall portion 35c into the existing outer upper rail 51b from the part of the existing upper screen door rail 51c cut off. To do.

  Further, on the modified lower frame 11b side, the existing frame cover part 36c of the lower frame joining member 36 and the screw 63 penetrating the floor material 4 located on the floor material cover part 52e are screwed into the housing 3 and fixed ( Lower frame joining member fixing step S4), the refurbished vertical frame 11c side is connected to the vertical frame facing portion 37a by the indoor side extending portion 37d extending to the indoor side and the screw 63 passing through the existing vertical frame 53. 3 is screwed.

  After the refurbishment frame 11 is screwed to the housing 3, the refurbishment frame 60 is arranged on the indoor side of the refurbishment frame 11. At this time, on the refurbishment upper frame 11a side, a manger is interposed between the refurbished frame 60 and the existing frame 30. The upper frame fixing member 17 is fitted to a portion of the interior of the refurbished upper frame body 13 on the indoor side with respect to the refurbished upper rail 13a in a state where the end of the outdoor side of the refurbished frame 60 is close to the refurbished upper frame 11a. The screw 65 passing through the fitting portion 17a of the fitted upper frame fixing member 17 and the modified upper frame main body 13 is screwed into the rail abutting portion 35a of the upper frame joining member 35 so that the upper frame fixing member 17 Screws are fixed to the refurbished frame 60 with screws 61 penetrating the frame fixing portion 17b.

  Further, on the refurbished lower frame 11b side, the outdoor end of the refurbished frame 60 is positioned slightly spaced from the frame facing portion 14d, and the screw 64 that fixes the refurbished extension 14e and the lower frame joining member 36 is fixed. And the refurbished frame 60 is arrange | positioned so that the existing frame cover part 36c of the lower frame joining member 36 may be covered. Thereafter, a wall portion 19d is inserted into a gap between the refurbished frame 60 and the frame facing portion 14d to provide a frame cover 19c, and a screw 61 penetrating the frame cover 19c from above is screwed into the refurbished frame 60, whereby the frame cover 19c and the refurbished frame 60 are fixed.

  On the side of the refurbished vertical frame 11 c, the refurbished frame 60 is arranged with a manger interposed between the existing frame 30 and the existing vertical frame 53. The vertical frame fixing member 18 is fitted to the indoor side portion of the refurbished vertical frame body 15 in a state where the outdoor end of the refurbished frame 60 is close to the refurbished vertical frame 11c. A screw passing through the fitting portion 18a of the frame fixing member 18 and the refurbished vertical frame body 15 is screwed into the vertical frame joining member 37, and a screw 61 penetrating the frame fixing portion 18b of the vertical frame fixing member 18 is refurbished frame 60. Secure with screws.

  Finally, the cover member 40 is fitted to the cover holding member 39 provided on the existing screen door upper rail 51c of the existing upper frame 51 to complete the attachment of the modified sash unit 1.

  According to the modified sash unit 1 of the first embodiment, the existing frame placement part 36a on which the modified frame 11 is placed and fixed is positioned below the floor material facing part 52d to which the existing frame 50 is fixed. Therefore, the position where the modified frame 11 is placed can be made lower than when the modified frame 11 is simply arranged inside the existing frame 50. For this reason, it is possible to make the opening formed inside the modified frame 11 wider than when the modified frame 11 is simply attached to the inner peripheral side of the existing frame 50.

  The lower frame joining member 36 fixed to the refurbished frame 11 covers the upper portion of the floor material facing portion 52d on the indoor side, and has an existing frame covering portion 36c fixed to the housing 3 together with the floor material facing portion 52d. Therefore, it is possible to fix the modified frame 11 to which the lower frame joining member 36 is fixed to the housing 3. For this reason, the refurbishment frame 11 can be firmly fixed to the housing 3 and can be provided in a stable state.

  In addition, since the existing frame placement portion 36a on which the refurbished frame 11 is placed and fixed is placed at a site where the existing inner / lower rail 52a of the existing lower frame 52 is removed, the refurbished frame 11 is placed. It is possible to make the position to be lowered by the height of the existing inner lower rail 52a. For this reason, the opening formed inside the refurbished frame 11 can be made wider than when the refurbished frame 11 is simply mounted on the existing inner lower rail 52a of the existing frame 50. In addition, the indoor side stepped portion 52f and the central stepped portion 52g of the existing lower frame 52 on which the existing frame placing portion 36a is placed are cut off from the existing inner lower rail 52a and the existing outer lower rail 52b, so that the upper surface is flat. It is possible to arrange the refurbished frame 11 in a stable state on the inner peripheral side of the existing frame 50. For this reason, since the force which supports the renovation frame 11 is reduced when attaching the refurbishment frame 11 to the existing frame 50 side, it is possible to provide the refurbishment sash unit 1 excellent in workability.

  Moreover, since the lower frame joining member 36 is narrower than the width of the refurbished frame 11 in the direction of finding, the lower frame joining member 36 can be formed with high accuracy and can be manufactured at low cost. Further, since the plurality of lower frame joining members 36 are interposed between the existing lower frame 52 and the modified lower frame 11b with a space between each other, they are integrally formed with the same length as the length in the direction of finding. It is easier to install than anything and has excellent workability.

  The refurbished lower frame 11b of the refurbished frame 11 has a heat insulating material 72 interposed between a portion on the indoor side and a portion on the outdoor side, and a portion on the refurbished upper rail 13a side that is the indoor side and the outdoor side. Since the central leg portion 14g side portion is fixed to the lower frame joining member 36, even if the heat insulating material 72 is damaged due to a fire or the like, the indoor side portion and the outdoor portion are respectively lowered. It is possible to keep it on the housing 3 side through the frame joining member 36.

  Further, according to the method of attaching the modified sash unit 1 of the first embodiment, the modified frame 11 is provided on the lower frame joining member 36 interposed between the existing lower frame 52 and the modified frame 11 of the modified sash 10. Since the lower frame joining member 36, which is fixed and to which the refurbished frame 11 is fixed, is placed at a position where the existing inner lower rail 52a of the existing lower frame 52 is removed, the refurbished frame 11 is simply placed inside the existing frame 50. It is possible to make the position where the refurbishment frame 11 is mounted lower than the case where it does. For this reason, it is possible to make the opening formed inside the modified frame 11 wider than when the modified frame 11 is simply attached to the inner peripheral side of the existing frame 50.

  In addition, when the refurbished frame 11 is placed on the existing lower frame 52, the floor material facing portion 52 d to which the existing lower frame 52 is fixed is covered with the indoor side portion of the lower frame joining member 36 and the lower frame. Since the joining member 36 is fixed to the casing 3, the modified frame 11 to which the lower frame joining member 36 is fixed can be fixed to the casing 3. For this reason, it is possible to securely fix the refurbishment frame 11 to the housing 3 and prepare it in a stable state.

  Next, a second embodiment will be described. In the following description, overlapping description of the same components as those in the first embodiment is omitted.

  As shown in FIGS. 7 and 8, the remodeled sash unit 100 according to the second embodiment includes, for example, a newly-installed refurbished sash 10 and an existing sash provided in an opening 2 that communicates the interior and exterior of a building. A plurality of lower frame joining members 136 for attaching the modified sash 10 to the inner peripheral side of the existing frame 50, a connecting member 140 for connecting the plurality of lower frame joining members 136 in the direction of finding, the lower frame joining member 136 and the lower frame And a reinforcing plate 149 interposed therebetween. In the second embodiment, a modified sash unit provided on the inner peripheral side of the semi-externally installed type frame 50 provided in the opening 2 that communicates indoors and outdoors and a method of attaching the modified sash unit will be described.

  In the modified sash unit 100 of the second embodiment, the lower frame joining member 136 has a vertical movement mechanism 137 that can move the existing frame mounting portion 136a in the vertical direction, and a plurality of the sash units 100 are arranged side by side in the direction of finding. There are a plurality of (six in this embodiment) lower frame joints between the existing frame placement portion 136a and the refurbished frame 11, and more specifically, there are a plurality of connecting members 140 and reinforcing plates 149 that connect the lower frame joint members 136. This is different from the first embodiment in that it is provided between the member 136 and the refurbishment frame 11.

  The lower frame joining members 136 of the second embodiment are formed by bending a steel plate by pressing, and six are provided at appropriate intervals in the direction of finding.

  As shown in FIG. 9, the lower frame joining member 136 is placed on the upper surface of the indoor side stepped portion 52f (FIG. 3) from which the existing inner lower rail 52a (FIG. 3) is cut, and on the central stepped portion 52g. An existing frame mounting part 136a that protrudes and faces the central step part 52g (FIG. 3), an indoor vertical part 136b that is erected upward from an indoor end of the existing frame mounting part 136a, and an indoor vertical An existing frame covering portion 136c as a refurbished frame housing fixing portion that is arranged so that the upper end portion of the portion 136b extends indoors and covers the upper surface of the floor covering portion 52e (FIG. 3) of the existing lower frame 52; A side wall portion 136d that is suspended from the end portion in the direction of finding the portion of the frame placement portion 136a that protrudes toward the central step portion 52g and abuts against the central step portion 52g, and from the lower end side of the side wall portion 136d to the outdoor side It is formed by being bent toward the sides facing each other. A screw fixing portion 136e through which a screw fixed to the central leg portion 14g of the mounting frame 11b passes and a central portion in the prospective direction of the existing frame mounting portion 136a are suspended downward from both ends in the finding direction. The suspended wall portion 136f and an extending portion 136g as an opposing portion extending from the lower end of the suspended wall portion 136f to the outdoor side.

  The existing frame mounting portion 136a is provided with a fixing hole 136i for fixing the lower frame joining member 136 to the refurbished frame 11 and a tap hole 136h for fixing a connecting member 140 described later. The part 136g is provided with a tap hole 136j into which the screw 150 is screwed from above at substantially the center. The screw 150 screwed into the tap hole 136j of the extension part 136g is rotated so as to be able to advance and retreat in the direction orthogonal to the extension part 136g. The screw 150 is used for holding the screw 150 in a predetermined position. A nut 155 for preventing loosening is screwed. A reinforcing plate 149 is provided between the center step portion 52g facing the extension portion 136g and the tip of the screw 150 in a state where the existing frame placement portion 136a is placed on the indoor side step portion 52f. When the screw 150 is rotated so that the screw 150 moves downward, the length of the screw 150 protruding downward from the existing frame mounting portion 136a becomes longer, and the tip of the screw 150 is placed on the central step portion 52g. The existing frame mounting portion 136a is configured to move upward by coming into contact with the reinforcing plate 149. That is, the extension part 136g and the screw 150 screwed into the tap hole 136j of the extension part 136g correspond to a vertical movement mechanism and an adjustment mechanism that can move the existing frame mounting part 136a in the vertical direction. It corresponds to a rotationally moving member.

  The connecting member 140 has a width including two lower frame joining members 136 arranged at both ends in the direction of finding among the six lower frame joining members 136 or an end from two lower frame joining members 136 arranged at both ends. Each side has a length protruding. The connecting member 140 is mounted on each of the existing frame mounting portions 136a of the six lower frame joining members 136 and fixed to the plate-like main body portion 141 by screws, and from the indoor side edge of the main body portion 141 upward. It has the indoor side wall part 142 which stood up, and the outdoor side wall part 143 suspended down from the outdoor edge of the main body part 141.

  The indoor side wall 142 is formed so as to be close to the indoor vertical portion 136b in a state where the main body 141 is screwed to the lower frame joining member 136, and the outdoor side wall 143 It is formed so as to be positioned on the outdoor side from the outermost edge of the existing frame mounting part 136a and the extension part 136g in a state where it is screwed to the frame joining member 136. In addition to the holes 141a through which screws are screwed into the tap holes 136h for joining the six lower frame joining members 136 and the connecting members 140, the lower frame joining members 136 are fixed to the main body 141. A through-hole 141b through which the screw 64 screwed into the hole 136i passes, and an opening 141c for rotating the screw 150 in a state where the lower frame joining member 136 and the connecting member 140 are joined are provided. . In addition, the outdoor wall 143 is provided with a notch 143a for tightening a nut 155 for preventing the screw 150 from loosening at the same position as the opening of the main body 141 in the direction of finding.

  The reinforcing plate 149 is a flat plate member made of stainless steel in which the width in the finding direction and the width in the prospective direction are almost the same size as the extending portion 136g. The reinforcing plate 149 is provided between the screw 150 and the central step portion 52g so that the pressing force that protrudes and presses downward when the screw 150 is rotated does not concentrate on one point of the central step portion 52g.

  As shown in FIG. 10, the method of attaching the modified sash unit 100 of the second embodiment includes a rail cutting step S1 and a lower frame joining member attaching step S2 in the method of attaching the modified sash unit 1 of the first embodiment. The six lower frame joining members 136 screwed with the screws 150 are arranged on the existing lower frame 52 in a state of being connected by the connecting member 140, and the upper surface of the main body portion 141 of the connecting member 140. Adjustment step S1-1 for adjusting so as to be flat.

  As shown in FIG. 8, for example, at the factory or the like, the six lower frame joining members 136 are attached to the lower surface of the main body portion 141 of the connecting member 140 on the upper surface of the existing frame mounting portion 136 a of each lower frame joining member 136. It is made to contact and is fixed with screws 151.

  In the adjustment step S <b> 1-1, first, the six lower frame joining members 136 connected by the connecting member 140 are placed on the existing lower frame 52. At this time, the lower surface of the existing frame mounting portion 136a is placed on the upper surface of the indoor side stepped portion 52f from which the existing inner and lower rails 52a are removed, and the existing frame covering portion 136c of the lower frame joining member 136 is later formed into a housing. 3 is arranged at a mounting position fixed by a screw 63 screwed onto the screw 3. At this time, when the six connected lower frame joining members 136 are placed on the existing lower frame 52, the center frame 52g is reinforced at a position facing the extending portion 136g of the lower frame joining member 136. Each plate 149 is arranged. Here, in order to position the connected lower frame joining member 136, it may be temporarily fixed with a screw 63.

  After placing the lower frame joining member 136 connected by the connecting member 140 at the attachment position, for example, a level is placed on the connecting member 140 so that the upper surface of the main body 141 of the connecting member 140 becomes flat. Then, the screws 150 screwed into the six lower frame joining members 136 are rotated to adjust the height of the existing frame mounting portion 136a of each lower frame joining member 136. In a state where the height has been adjusted, the tip of the screw 150 screwed into each lower frame joining member 136 is brought into contact with the reinforcing plate 149, and the nut 155 is tightened from the notch 143a side.

  Next, the connected lower frame joining member 136 whose height of the existing frame mounting portion 136a is adjusted is screwed to the modified lower frame 11b of the framed modified frame 11. Specifically, the refurbished extension portion 14e is brought into contact with the existing frame mounting portion 136a, and the screw 64 penetrating the refurbished extension portion 14e extended to the indoor side is fixed to the fixing hole 136i of the lower frame joining member 136. The screw fixing portion 136e is fixed to the central leg portion 14g of the modified lower frame 11b with screws 65 penetrating from the indoor side (lower frame bonding member attaching step S2). ).

  Next, the lower frame joining member 136 and the connecting member 140 are fixed to the modified lower frame 11b, and the modified frame 11 in which the vertical frame joining member 37 is fixed to the left and right modified vertical frames 11c is arranged on the inner peripheral side of the existing frame 50. Deploy. Specifically, the modified frame 11 to which the lower frame joining member 136, the connecting member 140, and the vertical frame joining member 37 are attached is inserted from the outdoor side into the existing frame 50 to which the upper frame joining member 35 is attached. At this time, the lower surface of the existing frame placing portion 136a of the lower frame joining member 136 attached to the refurbished frame 11 is placed on the indoor side step portion 52f of the existing lower frame 52 (renovated frame placing step S3), and the side wall When the lower edge of the portion 136d is brought into contact with the central step portion 52g, the existing frame covering portion 136c of the lower frame joining member 136 attached to the modified lower frame 11b is disposed on the floor covering portion 52e of the existing lower frame 52. The Further, the tips of the screws 150 screwed into the respective lower frame joining members 136 are brought into contact with the reinforcing plate 149.

  Then, the remodeled upper frame 11a is fixed by screwing a screw 65 penetrating from above the remaining portion of the fixed fin 13d and the outdoor side wall portion 35c into the existing outer upper rail 51b from the part of the existing upper screen door rail 51c cut off. To do.

  Further, on the side of the modified lower frame 11b, the existing frame cover 136c of the lower frame joining member 136 located on the floor covering 52e and the screw 63 passing through the floor 4 are screwed into the housing 3 and fixed ( Lower frame joining member fixing step S4), the refurbished vertical frame 11c side is connected to the vertical frame facing portion 37a by the indoor side extending portion 37d extending to the indoor side and the screw 63 passing through the existing vertical frame 53. 3 is screwed. The subsequent attachment method is the same as that of the first embodiment.

  According to the modified sash unit 100 of the second embodiment, in addition to the operation and effect of the first embodiment, the lower frame joining member 136 is placed on the existing lower frame 52 and the modified frame 11 is placed. Since the existing frame mounting portion 136a that is fixed in this manner can be moved in the vertical direction by the vertical movement mechanism 137, the vertical position where the refurbished frame 11 is placed can be changed.

  Further, the vertical movement mechanism 137 penetrates the existing frame mounting portion 136a in the vertical direction and is screwed, and the lower end is supported and rotated by the central step portion 52g from which the existing outer lower rail 52b is cut. Accordingly, a screw 150 is provided for moving the existing frame mounting portion 136a in the vertical direction. Therefore, the rotation of the screw 150 of the vertical movement mechanism 137 moves the existing frame mounting portion 136a in the vertical direction with respect to the central step portion 52g from which the existing outer lower rail 52b on which the screw 150 is supported is cut off. It is possible to make it. Then, the existing frame placing portion 136a can be moved in the vertical direction with respect to the central step portion 52g simply by rotating the screw 150. Further, since the screw 150 penetrates the existing frame mounting portion 136a in the vertical direction and is screwed, the existing frame mounting portion 136a is moved in the vertical direction slightly and quantitatively by the rotation of the screw 150. Is possible.

  In addition, since the plurality of lower frame joining members 136 interposed between the existing frame mounting portion 136a and the refurbished frame 11 are connected by the connecting member 140, the refurbishment is performed even if the existing lower frame 52 is distorted. It is possible to adjust so that the part on which the frame 11 is placed becomes flat as a whole.

  Further, according to the method of attaching the modified sash unit 100 of the second embodiment, in addition to the operations and effects of the first embodiment, a plurality of intervening spaces are provided between the existing lower frame 52 and the modified frame 11 with a space between each other. The lower frame joining member 136 is formed on the existing lower frame 52 from which the existing inner lower rail 52a, the existing outer lower rail 52b, and the existing screen door rail 52c are cut, that is, at the portion to be attached. Since the position of the portion to be fixed to the refurbished frame 11 is adjusted and then fixed to the refurbished frame 11, it is fixed to the refurbished frame 11 after appropriate adjustment. For this reason, it is possible to attach the modified frame 11 in an appropriate state by attaching the modified frame 11 in which the lower frame joining member 136 is fixed on the existing lower frame 52. Moreover, since the lower frame joining member 136 is adjusted in a state where the refurbishment frame 11 is not attached, it is easy to adjust, so that more appropriate adjustment can be easily performed.

  In the above embodiment, when fixing the lower frame joining members 36, 136 to the modified lower frame 11b, the screw fixing portions 36e, 136e of the lower frame joining members 36, 136 are accommodated in the central leg 14g of the modified lower frame 11b. Although the example fixed with the screw | thread 65 penetrated from the inner side was demonstrated, it does not restrict to this. For example, in the above-described embodiment, the screw fixing portions 36e and 136e are extended along the vertical direction, but are extended along the horizontal direction so as to extend from the lower end of the central leg portion 14g of the modified lower frame 11b. You may fix to the site | part extended inside or the connection part 14i with a screw | thread.

  Further, in the above embodiment, the existing frame cover portions 36c and 136c of the lower frame joining members 36 and 136 are positioned on the floor covering portion 52e, and the screws 63 penetrating the floor covering portion 52e and the floor covering 4 are provided. Although the example fixed to the housing 3 has been described, the present invention is not limited to this. For example, the existing frame cover portions 36c and 136c of the lower frame joining members 36 and 136 are protruded indoors from the floor covering portion 52e, and a mandrel is interposed between the protruding portion and the floor material with a screw. It may be fixed to.

  In the above-described embodiment, the modified sash unit 1 provided on the inner peripheral side of the semi-external type existing frame 50 has been described, but the existing frame may be an internal type or an external type.

  The lower frame joining member 36 described in the first embodiment may be provided in the entire region in the finding direction.

  In the said 2nd Embodiment, although the six lower frame joining members 136 demonstrated the example connected with the connection member 140 in a factory etc., the lower frame joining members 136 are not restricted to six pieces, The plurality of lower frame joining members 136 may be connected by the connecting member 140 at the construction site.

  In the second embodiment, the example in which the screw 150 and the nut 155 forming the up-and-down moving mechanism 137 are screwed into the extending portion 136g has been described. However, the space in which the screw 150 and the nut 155 are operably disposed. The screw 150 and the nut 155 may be screwed to the existing frame mounting portion 136a.

  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,
10 refurbished sashes, 11 refurbished frames,
11a Upper frame, 11b Lower frame, 11c Vertical frame,
14 Lower frame body, 36 Lower frame joint member,
36a an existing frame mounting part, 36c an existing frame covering part,
36d side wall, 36e screw fixing part,
50 Existing frame, 52 Existing lower frame,
52a Existing lower rail, 52b Existing lower rail,
52c Existing screen door bottom rail, 52e Floor covering part,
72 Thermal insulation material 100 Refurbished sash unit, 136 Lower frame joint member,
136a Existing frame placing part, 136g extension part, 136h tap hole,
136i fixed hole, 136j tap hole, 137 vertical movement mechanism, 140 connecting member,
141 Body, 149 Reinforcement plate, 150 Screws, 155 Nut

Claims (8)

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 refurbished sash and
An existing frame mounting portion that is mounted on a site where the lower rail of the existing lower frame of the existing frame is cut, and the modified frame of the modified sash is mounted and fixed;
A refurbished frame housing fixing portion that is provided on the indoor side of the existing frame mounting portion, covers an upper portion of the indoor side fixing portion of the existing frame at a position higher than the existing frame mounting portion, and is fixed to the housing;
A refurbished frame fixing portion provided outside the existing frame mounting portion, extending from the existing frame mounting portion, facing the refurbished frame and fixed to the refurbished frame;
A lower frame joining member,
Refurbished sash unit characterized by having. A refurbished sash unit according to claim 1,
The refurbished sash unit, wherein the lower frame joining member has a vertical movement mechanism capable of moving the existing frame mounting portion in the vertical direction. A refurbished sash unit according to claim 2,
The lower frame joining member includes a facing portion that is connected to the existing frame mounting portion and faces a portion where the lower rail is cut off.
The vertical movement mechanism penetrates the opposing part or the existing frame mounting part in the vertical direction and is screwed, and the lower end is supported and rotated by the part where the lower rail is cut off. A refurbished sash unit comprising a rotation moving member for moving an existing frame mounting portion in the up-down direction. A refurbished sash unit according to any one of claims 1 to 3,
The lower frame joining member is formed narrower than the width in the direction of finding the refurbished frame,
A refurbished sash unit, wherein a plurality of the sash units are interposed between the existing frame and the refurbished frame at an interval in the direction of finding. A refurbished sash unit according to claim 4,
The plurality of lower frame joining members are connected by a connecting member interposed between the existing frame mounting portion and the modified frame. A refurbished sash unit according to any one of claims 1 to 5,
The refurbished lower frame of the refurbished frame has a heat insulating material interposed between the indoor side part and the outdoor side part, and the indoor side part and the outdoor side part respectively serve as a lower frame joining member. Refurbished sash unit characterized by being fixed. An installation method of a modified sash unit for attaching a modified sash to an inner peripheral side of an existing frame of an existing sash provided in an opening communicating with the inside and outside of the room,
A rail cutting step of cutting the lower rail of the existing lower frame of the existing frame;
A lower frame joining member mounting step of fixing a lower frame joining member interposed between the existing lower frame and the modified frame of the modified sash to the modified frame;
A refurbishment frame placing step of placing the lower frame joining member to which the refurbishment frame is fixed at a site where the lower rail of the existing lower frame is cut;
When the refurbishment frame is placed on the existing frame, the indoor side fixing portion to which the existing frame is fixed above the existing frame placement portion placed on the existing frame of the lower frame joining member And a lower frame joining member fixing step of fixing the lower frame joining member to a housing,
A method of mounting a refurbished sash unit characterized by comprising: A method for mounting the modified sash unit according to claim 7,
A plurality of the lower frame joining members are interposed between the existing lower frame and the refurbished frame with a space between each other,
Each of the lower frame joining members has an adjustment mechanism capable of adjusting the position of the portion fixed to the refurbished frame,
The plurality of lower frame joining members are adjusted by the adjusting mechanism on the positions of the portions of the lower frame joining members fixed to the refurbished frame on the existing lower frame from which the lower rail is cut off. After that, the refurbished sash unit is fixed to the refurbished frame.

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