JP2021156054A - Renovation sash and mounting method renovation sash - Google Patents

Renovation sash and mounting method renovation sash Download PDF

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JP2021156054A
JP2021156054A JP2020058586A JP2020058586A JP2021156054A JP 2021156054 A JP2021156054 A JP 2021156054A JP 2020058586 A JP2020058586 A JP 2020058586A JP 2020058586 A JP2020058586 A JP 2020058586A JP 2021156054 A JP2021156054 A JP 2021156054A
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frame
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plate portion
existing
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JP7465701B2 (en
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雅徳 近藤
Masanori Kondo
雅徳 近藤
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Lixil Corp
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Abstract

To provide a technique capable of suppressing the rattling of renovation sash.SOLUTION: A renovation sash 1 provided to an opening 4 of a building includes: a new frame 10 that is placed at the inner peripheral side of an existing frame 12 placed in the opening 4; and a spacer 36 that supports the lower frame from the bottom of the new frame 10. The spacer 36 is positioned at the indoor side of the new frame 10.SELECTED DRAWING: Figure 1

Description

本開示は、改装サッシおよび改装サッシの取付方法に関する。 The present disclosure relates to a refurbished sash and a method of mounting the refurbished sash.

特許文献１には、既設枠により形成される開口内に新設枠が設けられる改装窓構造が開示されている。この改装窓構造は、既設枠の内周側に取り付けられる新設枠と、新設枠に設けられる障子と、既設枠および新設枠の間を覆う上カバー材、下カバー材、縦カバー材とを備える。新設枠は、ビスにより躯体に固定される。上カバー材は、新設上枠に固定されるアタッチメントにビス止めされ、下カバー材は新設下枠にビス止めされ、縦カバー材は、新設縦枠に固定される連結部材にビス止めされる。 Patent Document 1 discloses a refurbished window structure in which a new frame is provided in an opening formed by an existing frame. This refurbished window structure includes a new frame attached to the inner peripheral side of the existing frame, a shoji screen provided on the new frame, and an upper cover material, a lower cover material, and a vertical cover material that cover between the existing frame and the new frame. .. The new frame is fixed to the skeleton with screws. The upper cover material is screwed to the attachment fixed to the new upper frame, the lower cover material is screwed to the new lower frame, and the vertical cover material is screwed to the connecting member fixed to the new vertical frame.

特開２０１７−１０１４７２号公報JP-A-2017-101472

新設枠は、既設枠の内周側に配置されるため、新設枠の外周側にある額縁部材等から離れて配置されることがあり、その場合に新設枠の取付状態を安定させることができると望ましい。 Since the new frame is arranged on the inner peripheral side of the existing frame, it may be arranged away from the frame member or the like on the outer peripheral side of the new frame, and in that case, the mounting state of the new frame can be stabilized. Is desirable.

本開示の目的は、改装サッシのガタつきを抑える技術を提供する。 An object of the present disclosure is to provide a technique for suppressing rattling of a refurbished sash.

上記課題を解決するために、本開示のある態様は、建物の開口部に設けられる改装サッシであって、開口部に設けられる既設枠の内周側に配置される新設枠と、新設枠の下枠を下方から支持するスペーサと、を備える。スペーサは、新設枠の室内側に位置することを特徴する。 In order to solve the above problems, one aspect of the present disclosure is a refurbished sash provided at an opening of a building, and a new frame arranged on the inner peripheral side of an existing frame provided at the opening and a new frame. A spacer that supports the lower frame from below is provided. The spacer is characterized to be located on the indoor side of the new frame.

本発明の別の態様は、建物の開口部に設けられる改装サッシの取付方法である。この方法は、開口部に設けられる既設枠の内周側にカバー体を取り付けるステップと、カバー体の内周側に新設枠を取り付けるステップと、新設枠の新設下枠を下方から支持するスペーサを室内側から取り付けるステップと、を含む。スペーサを取り付けるステップにおいて、スペーサに形成された凹部を新設下枠の下端に当接した状態で、下端を回転支点にしてスペーサを回転させて、新設下枠およびカバー体の下カバー枠の間にスペーサを押し込む。 Another aspect of the present invention is a method of attaching a refurbished sash provided at an opening of a building. In this method, a step of attaching the cover body to the inner peripheral side of the existing frame provided at the opening, a step of attaching the new frame to the inner peripheral side of the cover body, and a spacer for supporting the new lower frame of the new frame from below are provided. Includes steps to install from the indoor side. In the step of attaching the spacer, with the recess formed in the spacer in contact with the lower end of the new lower frame, the spacer is rotated with the lower end as the rotation fulcrum, and between the new lower frame and the lower cover frame of the cover body. Push in the spacer.

実施例の改装サッシの縦方向断面図である。It is a vertical sectional view of the refurbished sash of an Example. 実施例の改装サッシの上側の拡大断面図である。It is an enlarged sectional view of the upper side of the refurbished sash of an Example. 吊り部材の斜視図である。It is a perspective view of the suspension member. 実施例の改装サッシの下側の拡大断面図である。FIG. 5 is an enlarged cross-sectional view of the lower side of the refurbished sash of the embodiment. 下カバー枠およびスペーサの斜視断面図である。It is a perspective sectional view of a lower cover frame and a spacer. スペーサの取付方法について説明するための図である。It is a figure for demonstrating the mounting method of a spacer. 実施例の改装サッシの横方向断面図である。It is sectional drawing in the horizontal direction of the refurbished sash of an Example. カバー体の部分斜視図であり、カバー体の連結について説明するための図である。It is a partial perspective view of the cover body, and is the figure for demonstrating the connection of the cover body. 新設障子の取付方法について説明するための模式図である。It is a schematic diagram for demonstrating the mounting method of a new shoji.

図１は、実施例の改装サッシ１の縦方向断面図である。改装サッシ１は、新設障子１４と組み合わせて建具の一部として用いられる。室内空間と室外空間とを仕切る壁部２に開口部４を形成する躯体２８が設けられ、その躯体２８に改装サッシ１を含む建具が設けられる。躯体２８は、複数の骨組み材を組んだ骨組み構造体であって、ネジを螺合可能な木材や樹脂材などの材料で形成され、額縁部材２４等を支持する。室内空間と室外空間は、改装サッシ１に納められる新設障子１４の見込み方向両側に位置する。 FIG. 1 is a vertical cross-sectional view of the modified sash 1 of the embodiment. The refurbished sash 1 is used as a part of fittings in combination with the new shoji screen 14. A skeleton 28 forming an opening 4 is provided in a wall portion 2 that separates an indoor space from an outdoor space, and the skeleton 28 is provided with fittings including a refurbished sash 1. The skeleton 28 is a skeleton structure in which a plurality of skeleton materials are assembled, and is formed of a material such as wood or a resin material to which screws can be screwed, and supports a frame member 24 or the like. The indoor space and the outdoor space are located on both sides in the prospective direction of the new shoji screen 14 housed in the refurbished sash 1.

改装サッシ１は、新設枠１０と、新設障子１４と、カバー体１６と、網戸１８と、装飾材３０、見切材３２、アタッチメント３４、スペーサ３６および連結具３９を備える。 The refurbished sash 1 includes a new frame 10, a new shoji 14, a cover body 16, a screen door 18, a decorative material 30, a parting material 32, an attachment 34, a spacer 36, and a connecting tool 39.

新設枠１０は、改装のために新たに取り付けられ、新設障子１４を支持する枠体として機能する。新設枠１０は、金属材料や樹脂材料で押出成形等により形成され、新設上枠２０ａ、新設下枠２０ｂおよび一対の新設縦枠２０ｃを有する。新設枠１０は、新設上枠２０ａ、新設下枠２０ｂおよび一対の新設縦枠２０ｃを連結して矩形状に形成される。 The new frame 10 is newly attached for refurbishment and functions as a frame body for supporting the new shoji 14. The new frame 10 is formed of a metal material or a resin material by extrusion molding or the like, and has a new upper frame 20a, a new lower frame 20b, and a pair of new vertical frames 20c. The new frame 10 is formed in a rectangular shape by connecting the new upper frame 20a, the new lower frame 20b, and the pair of new vertical frames 20c.

新設障子１４は、新設枠１０の内周側に設けられ、新設枠１０にスライド可能に取り付けられる。図１の例では、新設障子１４が２枚の態様を示すが、２枚に限られず、１枚や３枚以上であってよい。なお以下の説明では、新設障子１４の厚み方向を見込み方向といい、見込み方向に直交する方向を見付け方向という。 The new shoji 14 is provided on the inner peripheral side of the new frame 10 and is slidably attached to the new frame 10. In the example of FIG. 1, the newly installed shoji 14 shows an embodiment of two sheets, but the number is not limited to two, and may be one or three or more. In the following description, the thickness direction of the newly installed shoji 14 is referred to as the prospective direction, and the direction orthogonal to the prospective direction is referred to as the finding direction.

既設枠１２は、矩形状の枠体であって、改装前から躯体２８に取り付けられている。既設枠１２および額縁部材２４は連結されている。既設枠１２は、既設上枠２２ａ、既設下枠２２ｂおよび一対の既設縦枠２２ｃを有する。既設枠１２は、金属材料で押出成形等により形成される。額縁部材２４は板材により矩形に形成される。 The existing frame 12 is a rectangular frame and has been attached to the skeleton 28 before the renovation. The existing frame 12 and the frame member 24 are connected. The existing frame 12 has an existing upper frame 22a, an existing lower frame 22b, and a pair of existing vertical frames 22c. The existing frame 12 is made of a metal material and is formed by extrusion molding or the like. The frame member 24 is formed in a rectangular shape by a plate material.

装飾材３０、見切材３２およびアタッチメント３４は、室内側に設けられ、新設枠１０および既設枠１２の間を室内側から覆う。装飾材３０は板状に形成され、見付け方向に沿って延在する。見切材３２は、装飾材３０の一端を支持し、額縁部材２４に固定される。アタッチメント３４は、装飾材３０の他端を支持し、新設枠１０に固定される。アタッチメント３４は、新設枠１０に固定されて、新設枠１０の見込み方向の動きを制限する。 The decorative material 30, the parting material 32, and the attachment 34 are provided on the indoor side, and cover between the new frame 10 and the existing frame 12 from the indoor side. The decorative material 30 is formed in a plate shape and extends along the finding direction. The parting material 32 supports one end of the decorative material 30 and is fixed to the frame member 24. The attachment 34 supports the other end of the decorative material 30 and is fixed to the new frame 10. The attachment 34 is fixed to the new frame 10 and limits the movement of the new frame 10 in the prospective direction.

連結具３９は新設枠１０の新設上枠２０ａを建物の躯体２８に連結し、新設上枠２０ａの荷重を躯体２８に直接に伝達可能である。「直接に」とは、新設上枠２０ａの荷重を、既設枠１２を介さずに躯体２８に直接に伝達可能なことを意味する。 The connector 39 connects the new upper frame 20a of the new frame 10 to the skeleton 28 of the building, and can directly transmit the load of the new upper frame 20a to the skeleton 28. “Directly” means that the load of the new upper frame 20a can be directly transmitted to the skeleton 28 without going through the existing frame 12.

なお、装飾材３０、見切材３２およびアタッチメント３４は、３部材で構成される態様に限られず、１部材や２部材で構成されてよい。装飾材３０、見切材３２およびアタッチメント３４を合わせて飾り部材といい、改装サッシ１の室内側の意匠面を構成する。 The decorative material 30, the parting material 32, and the attachment 34 are not limited to those composed of three members, and may be composed of one member or two members. The decorative material 30, the parting material 32, and the attachment 34 are collectively referred to as a decorative member, which constitutes the interior design surface of the refurbished sash 1.

カバー体１６は、矩形状に形成され、既設枠１２の四辺の内周側および室外側を覆う。また、カバー体１６は、新設枠１０および既設枠１２に連結し、新設枠１０を既設枠１２に取り付けるために機能する。このように、カバー体１６が、既設枠１２を覆う機能と、新設枠１０を既設枠１２に取り付ける機能を有することで、改装サッシ専用の新設枠を用意せずとも、新築時に用いるサッシを改装サッシ１の新設枠１０として利用でき、改装時に新設枠１０の選択肢を増やすことができる。また、改装サッシ１の部品点数を抑え、改装サッシ１の取付工程を容易にできる。 The cover body 16 is formed in a rectangular shape and covers the inner peripheral side and the outdoor side of the four sides of the existing frame 12. Further, the cover body 16 is connected to the new frame 10 and the existing frame 12, and functions to attach the new frame 10 to the existing frame 12. In this way, the cover body 16 has a function of covering the existing frame 12 and a function of attaching the new frame 10 to the existing frame 12, so that the sash used at the time of new construction can be remodeled without preparing a new frame dedicated to the refurbished sash. It can be used as a new frame 10 for the sash 1, and the options for the new frame 10 can be increased at the time of remodeling. Further, the number of parts of the refurbished sash 1 can be reduced, and the mounting process of the refurbished sash 1 can be facilitated.

図２は、改装サッシ１の上側の拡大断面図である。既設枠１２の既設上枠２２ａは、ベース板部５０、突条部５２、外壁部５４および着座部５５を有する。ベース板部５０は、開口部４の上辺に沿って延在するとともに、縦方向断面において室外側から額縁部材２４に向かって見込み方向に延在する。突条部５２は、ベース板部５０から下方に突出するよう一対形成される。突条部５２は、不図示の既設障子のスライドをガイドするレールとして機能していた。 FIG. 2 is an enlarged cross-sectional view of the upper side of the refurbished sash 1. The existing upper frame 22a of the existing frame 12 has a base plate portion 50, a ridge portion 52, an outer wall portion 54, and a seating portion 55. The base plate portion 50 extends along the upper side of the opening 4 and extends in a prospective direction from the outdoor side toward the frame member 24 in the vertical cross section. The ridges 52 are formed in pairs so as to project downward from the base plate 50. The ridge portion 52 functioned as a rail for guiding the slide of the existing shoji (not shown).

外壁部５４は、ベース板部５０の室外側の端部から垂下するように形成される。着座部５５は、ベース板部５０の室内側の端部に形成され、額縁部材２４の表面に引っかかるように着座する。着座部５５は、躯体２８にネジ止めされる。 The outer wall portion 54 is formed so as to hang down from the outdoor end portion of the base plate portion 50. The seating portion 55 is formed at the end portion of the base plate portion 50 on the indoor side, and is seated so as to be caught on the surface of the frame member 24. The seating portion 55 is screwed to the skeleton 28.

新設枠１０の新設上枠２０ａは、ベース板部５６、突条部５８、突出片６０、外壁部６２および結合部６４を有する。ベース板部５６は、開口部４の上辺に沿って延在し、縦方向断面において見込み方向に延在する。ベース板部５６は、２部材により形成され、結合部６４により加締められて一体となる。突条部５８は、ベース板部５６から下方に突出するように一対形成される。突条部５８は、新設障子１４のスライドをガイドするレールとして機能する。 The new upper frame 20a of the new frame 10 has a base plate portion 56, a ridge portion 58, a protruding piece 60, an outer wall portion 62, and a joint portion 64. The base plate portion 56 extends along the upper side of the opening 4 and extends in the prospective direction in the vertical cross section. The base plate portion 56 is formed of two members and is crimped by the joint portion 64 to be integrated. The ridges 58 are formed in pairs so as to project downward from the base plate 56. The ridge portion 58 functions as a rail for guiding the slide of the newly installed shoji 14.

突出片６０は、ベース板部５６の中途の位置から上方に、つまり見付け方向外周向きに突出する。突出片６０は、見込み方向および鉛直方向に直交する方向に、連続して形成されてよく、部分的に複数突出して形成されてよい。突出片６０は、見込み方向において一対の突条部５８の間に位置する。突出片６０は、カバー体１６に当接する当接面を有する。外壁部６２は、ベース板部５６の室外側の端部から垂下するように形成される。突出片６０によりカバー体１６と容易にネジ止め可能となる。 The projecting piece 60 projects upward from a position in the middle of the base plate portion 56, that is, toward the outer periphery in the finding direction. The projecting pieces 60 may be continuously formed in the directions orthogonal to the prospective direction and the vertical direction, and may be partially formed so as to project a plurality of projecting pieces. The protruding piece 60 is located between the pair of ridges 58 in the prospective direction. The projecting piece 60 has a contact surface that comes into contact with the cover body 16. The outer wall portion 62 is formed so as to hang down from the outdoor end portion of the base plate portion 56. The protruding piece 60 can be easily screwed to the cover body 16.

カバー体１６の上カバー枠２６ａは、第１板部７０、第２板部７２、ホロー部７４、第１タッピングホール７６ａ、第２タッピングホール７６ｂおよび取付部７８を有する。 The upper cover frame 26a of the cover body 16 has a first plate portion 70, a second plate portion 72, a hollow portion 74, a first tapping hole 76a, a second tapping hole 76b, and a mounting portion 78.

上カバー枠２６ａの第１板部７０は、開口部４の上辺に沿って延在し、縦方向断面において見込み方向に延在する。第１板部７０は、中途の取付部７８の位置に段差７０ａを有し、段差７０ａにより室内側が上方にずれて額縁部材２４に接近している。第１板部７０は、既設枠１２の内周側に配置され、既設枠１２の突条部５２を覆う。 The first plate portion 70 of the upper cover frame 26a extends along the upper side of the opening 4 and extends in the prospective direction in the vertical cross section. The first plate portion 70 has a step 70a at the position of the mounting portion 78 in the middle, and the indoor side is displaced upward by the step 70a and approaches the frame member 24. The first plate portion 70 is arranged on the inner peripheral side of the existing frame 12 and covers the ridge portion 52 of the existing frame 12.

第２板部７２は、第１板部７０の室外側の端部に連なり、見付け方向に延在する。第２板部７２は、第１板部７０の室外側の端部から外周側に延出し、既設枠１２の外壁部５４を覆い、意匠面を形成する。 The second plate portion 72 is connected to the outdoor end of the first plate portion 70 and extends in the finding direction. The second plate portion 72 extends from the outdoor end of the first plate portion 70 to the outer peripheral side, covers the outer wall portion 54 of the existing frame 12, and forms a design surface.

ホロー部７４は、カバー体１６の室外側に位置し、カバー体１６の長手方向に沿った中空の孔を形成する。ホロー部７４には第１タッピングホール７６ａおよび第２タッピングホール７６ｂが形成される。 The hollow portion 74 is located on the outdoor side of the cover body 16 and forms a hollow hole along the longitudinal direction of the cover body 16. A first tapping hole 76a and a second tapping hole 76b are formed in the hollow portion 74.

ホロー部７４は、新設枠１０の見付け方向の外周側に重なる位置に設けられる。上カバー枠２６ａにホロー部７４が形成されることで改装サッシ１の耐荷重性を向上でき、新設障子１４が強風を受けて、新設上枠２０ａに衝撃や荷重を上方に加えてもホロー部７４が吸収することができる。 The hollow portion 74 is provided at a position overlapping the outer peripheral side of the new frame 10 in the finding direction. By forming the hollow portion 74 on the upper cover frame 26a, the load bearing capacity of the refurbished sash 1 can be improved, and even if the newly installed shoji 14 receives a strong wind and an impact or load is applied upward to the new upper frame 20a, the hollow portion 74 can absorb.

取付部７８は、ホロー部７４の室内側の側面に位置し、新設上枠２０ａとの取付面７８ａを有する。取付部７８は、第１板部７０から見付け方向内周向きに突出する。取付面７８ａは、室内側に面することで、新設枠１０を室内側から取り付けることが可能となる。取付面７８ａは、段差７０ａにより上方に広く形成でき、新設上枠２０ａの突出片６０に合わせる面を広くとることができる。ホロー部７４の側面に取付部７８を設けることで、第１ネジ４０の先端をホロー部７４の内側に収容できる。第１ネジ４０は、新設枠１０の外周側に位置する。 The mounting portion 78 is located on the side surface of the hollow portion 74 on the indoor side, and has a mounting surface 78a with the new upper frame 20a. The mounting portion 78 projects from the first plate portion 70 in the inner peripheral direction in the finding direction. Since the mounting surface 78a faces the indoor side, the new frame 10 can be mounted from the indoor side. The mounting surface 78a can be formed wide upward by the step 70a, and the surface to be matched with the protruding piece 60 of the new upper frame 20a can be widened. By providing the mounting portion 78 on the side surface of the hollow portion 74, the tip of the first screw 40 can be accommodated inside the hollow portion 74. The first screw 40 is located on the outer peripheral side of the new frame 10.

第１板部７０の室内側の端部と、既設上枠２２ａの着座部５５とが対向した状態で、下方から第２ネジ４２により連結され、躯体２８に直接に固定される。これにより、第１板部７０の荷重が既設枠１２を介さずに躯体２８に伝達される。第１板部７０の室内側の端部は、躯体２８に固定される固定部７０ｂとして機能する。第２ネジ４２は、見付け方向上方に沿ってねじ込まれ、上カバー枠２６ａ、吊り部材３８、既設上枠２２ａ、額縁部材２４の順に貫通し、外周側に位置する躯体２８に係止する。 With the indoor end of the first plate 70 and the seating portion 55 of the existing upper frame 22a facing each other, they are connected from below by the second screw 42 and directly fixed to the skeleton 28. As a result, the load of the first plate portion 70 is transmitted to the skeleton 28 without going through the existing frame 12. The indoor end of the first plate 70 functions as a fixing portion 70b fixed to the skeleton 28. The second screw 42 is screwed in the upper direction in the finding direction, penetrates the upper cover frame 26a, the hanging member 38, the existing upper frame 22a, and the frame member 24 in this order, and locks to the skeleton 28 located on the outer peripheral side.

取付面７８ａと新設上枠２０ａの突出片６０とが面接触した状態で、室内側から第１ネジ４０により連結される。第１ネジ４０は見込み方向に沿ってねじ込まれる。これにより、新設枠１０を室内側から取り付けることができる。 The mounting surface 78a and the protruding piece 60 of the new upper frame 20a are in surface contact with each other and are connected from the indoor side by the first screw 40. The first screw 40 is screwed in the line of sight. As a result, the new frame 10 can be attached from the indoor side.

連結具３９は、新設上枠２０ａの室内側のベース板部５６を躯体２８に固定して、新設上枠２０ａの室内側の端部が変形することを抑える。連結具３９は、吊り部材３８、弾性体４１、第２ネジ４２および第３ネジ４４を有する。 The connector 39 fixes the base plate portion 56 on the indoor side of the new upper frame 20a to the skeleton 28 to prevent the end portion of the new upper frame 20a on the indoor side from being deformed. The connector 39 has a suspending member 38, an elastic body 41, a second screw 42, and a third screw 44.

図３は、吊り部材３８の斜視図である。吊り部材３８は、第１板部３８ａ、第２板部３８ｂ、連結板部３８ｃ、切り欠き部３８ｄおよびネジ孔部３８ｅを有する。 FIG. 3 is a perspective view of the hanging member 38. The suspension member 38 has a first plate portion 38a, a second plate portion 38b, a connecting plate portion 38c, a notch portion 38d, and a screw hole portion 38e.

第１板部３８ａおよび第２板部３８ｂは、対向して平行な板面を形成する。連結板部３８ｃは、第１板部３８ａおよび第２板部３８ｂを連結する。第１板部３８ａは、カバー体１６の固定部７０ｂの上方に載せられる。第２板部３８ｂは、第１板部３８ａの下方に設けられ、新設上枠２０ａが連結される。これにより、新設枠１０を吊り下げた状態で支持できる。上カバー枠２６ａの固定部７０ｂは、吊り部材３８の第１板部３８ａを受ける受け部として機能する。 The first plate portion 38a and the second plate portion 38b form parallel plate surfaces facing each other. The connecting plate portion 38c connects the first plate portion 38a and the second plate portion 38b. The first plate portion 38a is placed above the fixing portion 70b of the cover body 16. The second plate portion 38b is provided below the first plate portion 38a, and the new upper frame 20a is connected to the second plate portion 38b. As a result, the new frame 10 can be supported in a suspended state. The fixing portion 70b of the upper cover frame 26a functions as a receiving portion for receiving the first plate portion 38a of the hanging member 38.

切り欠き部３８ｄは、第１板部３８ａの縁を連結板部３８ｃに向かって凹ませるように形成される。切り欠き部３８ｄは、連結板部３８ｃから離れる方向に開放しており、第２ネジ４２を差し込みやすくなっている。ネジ孔部３８ｅは、第２板部３８ｂに貫通して形成される。 The cutout portion 38d is formed so that the edge of the first plate portion 38a is recessed toward the connecting plate portion 38c. The cutout portion 38d is open in a direction away from the connecting plate portion 38c, making it easy to insert the second screw 42. The screw hole portion 38e is formed so as to penetrate the second plate portion 38b.

弾性体４１は、第１板部３８ａの下部に設けられ、上カバー枠２６ａに当たって上カバー枠２６ａと第１板部３８ａの距離を調整する距離調整材であり、緩衝材ともなる。弾性体４１は、第１板部３８ａと上カバー枠２６ａの固定部７０ｂとの間に配置され、固定部７０ｂに受け止められる。弾性体４１は、第１板部３８ａの下部に設けられているが、第１板部３８ａの上部に設けられてもよく、第１板部３８ａの上部および下部の両方に設けられてもよい。 The elastic body 41 is provided below the first plate portion 38a, is a distance adjusting material that hits the upper cover frame 26a and adjusts the distance between the upper cover frame 26a and the first plate portion 38a, and also serves as a cushioning material. The elastic body 41 is arranged between the first plate portion 38a and the fixing portion 70b of the upper cover frame 26a, and is received by the fixing portion 70b. Although the elastic body 41 is provided below the first plate portion 38a, it may be provided above the first plate portion 38a, or may be provided at both the upper portion and the lower portion of the first plate portion 38a. ..

切り欠き部３８ｄが開放されているため、第２ネジ４２を挿入している既設枠１２とカバー体１６の間に形成された隙間、すなわち固定部７０ｂと躯体２８の隙間に第１板部３８ａを室内側から差し込むことができる。これにより、カバー体１６の固定部７０ｂを第２ネジ４２で止めた状態で吊り部材３８を配置できる。 Since the cutout portion 38d is open, the first plate portion 38a is formed in the gap formed between the existing frame 12 into which the second screw 42 is inserted and the cover body 16, that is, the gap between the fixing portion 70b and the skeleton 28. Can be inserted from the indoor side. As a result, the suspension member 38 can be arranged in a state where the fixing portion 70b of the cover body 16 is fixed by the second screw 42.

図２に示すように、吊り部材３８は、新設枠１０の外周側で、第１ネジ４０より室内側に配置される。これにより、新設枠１０のカバー体１６の内周側に取り付けた後、吊り部材３８を取り付けることができる。第２板部３８ｂは、第３ネジ４４により新設上枠２０ａに連結される。 As shown in FIG. 2, the suspension member 38 is arranged on the outer peripheral side of the new frame 10 and on the indoor side of the first screw 40. As a result, the hanging member 38 can be attached after being attached to the inner peripheral side of the cover body 16 of the new frame 10. The second plate portion 38b is connected to the new upper frame 20a by the third screw 44.

弾性体４１は、第３ネジ４４の締め付けにより弾性変形した状態で保持される。つまり、第３ネジ４４の締め付けにより新設上枠２０ａが上方に持ち上げられるとともに、第１板部３８ａに下方への荷重がかかり、その荷重により弾性体４１が弾性変形する。これにより、上カバー枠２６ａと吊り部材３８の間の隙間を調整することができるともに、新設上枠２０ａのガタつきを抑えることができる。 The elastic body 41 is held in a state of being elastically deformed by tightening the third screw 44. That is, the new upper frame 20a is lifted upward by tightening the third screw 44, and a downward load is applied to the first plate portion 38a, and the elastic body 41 is elastically deformed by the load. As a result, the gap between the upper cover frame 26a and the suspension member 38 can be adjusted, and the rattling of the newly installed upper frame 20a can be suppressed.

第３ネジ４４は、第２ネジ４２と上下方向に重なる位置に配置される。これにより、
２つのネジが奥行方向（新設上枠２０ａの長手方向）にずれないので荷重をしっかり伝達できる。 The third screw 44 is arranged at a position where it overlaps with the second screw 42 in the vertical direction. This will
Since the two screws do not shift in the depth direction (longitudinal direction of the new upper frame 20a), the load can be transmitted firmly.

なお、連結板部３８ｃは、第１板部３８ａの室内側の端部と、第２板部３８ｂの室外側の端部とを連結してもよい。つまり、吊り部材３８が側面視にて略Ｓ字状に形成されてもよい。 The connecting plate portion 38c may connect the indoor end of the first plate 38a and the outdoor end of the second plate 38b. That is, the hanging member 38 may be formed in a substantially S shape when viewed from the side.

図４は、改装サッシ１の下側の拡大断面図である。既設下枠２２ｂは、第１突条部５２ａ、第２突条部５２ｂ、外壁部５４および着座部５５を有する。第１突条部５２ａは、第２突条部５２ｂより室外側に位置し、第２突条部５２ｂより低くなっている。 FIG. 4 is an enlarged cross-sectional view of the lower side of the refurbished sash 1. The existing lower frame 22b has a first ridge portion 52a, a second ridge portion 52b, an outer wall portion 54, and a seating portion 55. The first ridge 52a is located on the outdoor side of the second ridge 52b and is lower than the second ridge 52b.

新設下枠２０ｂは、ベース板部５６、突条部５８、突出片６０、結合部６４、第１ホロー部６７、第２ホロー部６８、足部６９ａおよび突部６９ｂを有する。ベース板部５６の下部に第１ホロー部６７および第２ホロー部６８が形成される。第１ホロー部６７および第２ホロー部６８により新設下枠２０ｂの耐荷重性を向上できる。 The new lower frame 20b has a base plate portion 56, a ridge portion 58, a protruding piece 60, a joint portion 64, a first hollow portion 67, a second hollow portion 68, a foot portion 69a, and a protrusion 69b. A first hollow portion 67 and a second hollow portion 68 are formed in the lower portion of the base plate portion 56. The load capacity of the newly installed lower frame 20b can be improved by the first hollow portion 67 and the second hollow portion 68.

第１ホロー部６７は、緩衝材を介して下カバー枠２６ｂに載置される。突出片６０は、ベース板部５６の下部にて第１ホロー部６７から下方に突出し、見込み方向において一対の突条部５８の間に位置する。突出片６０は、見付け方向に沿って外周向きに突出する。 The first hollow portion 67 is placed on the lower cover frame 26b via a cushioning material. The projecting piece 60 projects downward from the first hollow portion 67 at the lower part of the base plate portion 56, and is located between the pair of ridge portions 58 in the prospective direction. The projecting piece 60 projects outward along the finding direction.

足部６９ａは、第２ホロー部６８から下方に突出する。足部６９ａは、室内側の突条部５８より室内側に位置し、新設下枠２０ｂの室内側に位置する。足部６９ａは、スペーサ３６に当接して、新設下枠２０ｂの室内側を支持する。突部６９ｂは、足部６９ａより室外側の位置で下方に突出し、スペーサ３６に当接する。 The foot portion 69a projects downward from the second hollow portion 68. The foot portion 69a is located on the indoor side of the ridge portion 58 on the indoor side, and is located on the indoor side of the newly installed lower frame 20b. The foot portion 69a abuts on the spacer 36 to support the indoor side of the new lower frame 20b. The protrusion 69b projects downward from the foot portion 69a at a position on the outdoor side and abuts on the spacer 36.

下カバー枠２６ｂは、第１板部７０、第２板部７２、ホロー部７４、第１タッピングホール７７ａ、第２タッピングホール７７ｂ、取付部７８を有する。 The lower cover frame 26b has a first plate portion 70, a second plate portion 72, a hollow portion 74, a first tapping hole 77a, a second tapping hole 77b, and a mounting portion 78.

下カバー枠２６ｂの第１板部７０は、開口部４の下辺に沿って延在し、縦方向断面において見込み方向に延在する。第１板部７０は、既設枠１２の内周側に配置され、既設枠１２の突条部５２を覆う。 The first plate portion 70 of the lower cover frame 26b extends along the lower side of the opening 4 and extends in the prospective direction in the vertical cross section. The first plate portion 70 is arranged on the inner peripheral side of the existing frame 12 and covers the ridge portion 52 of the existing frame 12.

第２板部７２は、第１板部７０の室外側の端部に連なり、見付け方向に延在する。第２板部７２は、第１板部７０の室外側の端部から外周側に延出し、既設枠１２の外壁部５４を覆い、意匠面を形成する。 The second plate portion 72 is connected to the outdoor end of the first plate portion 70 and extends in the finding direction. The second plate portion 72 extends from the outdoor end of the first plate portion 70 to the outer peripheral side, covers the outer wall portion 54 of the existing frame 12, and forms a design surface.

ホロー部７４は、カバー体１６の室外側に位置し、カバー体１６の長手方向に沿った中空の孔を形成する。ホロー部７４は、第１板部７０の上部に設けられる。ホロー部７４には第１タッピングホール７７ａおよび第２タッピングホール７７ｂが形成される。下カバー枠２６ｂにホローが形成されることで、衝撃を吸収でき、耐荷重性を向上できる。また、新設下枠２０ｂとの隙間を小さくして新設下枠２０ｂを下カバー枠２６ｂに載置しやすくできる。 The hollow portion 74 is located on the outdoor side of the cover body 16 and forms a hollow hole along the longitudinal direction of the cover body 16. The hollow portion 74 is provided above the first plate portion 70. A first tapping hole 77a and a second tapping hole 77b are formed in the hollow portion 74. By forming a hollow on the lower cover frame 26b, the impact can be absorbed and the load bearing capacity can be improved. Further, the gap between the new lower frame 20b and the new lower frame 20b can be reduced so that the new lower frame 20b can be easily placed on the lower cover frame 26b.

取付部７８は、ホロー部７４の室内側の側面に位置し、新設下枠２０ｂとの取付面７８ａを有する。取付部７８は、第１板部７０から見付け方向に沿って内周向きに突出する。取付面７８ａは、室内側に面することで、新設枠１０を室内側から取り付けることが可能となる。ホロー部７４の側面に取付部７８を設けることで、第１ネジ４６の先端をホローの内側に収容できる。 The mounting portion 78 is located on the indoor side surface of the hollow portion 74, and has a mounting surface 78a with a new lower frame 20b. The mounting portion 78 projects inward from the first plate portion 70 along the finding direction. Since the mounting surface 78a faces the indoor side, the new frame 10 can be mounted from the indoor side. By providing the mounting portion 78 on the side surface of the hollow portion 74, the tip of the first screw 46 can be accommodated inside the hollow.

第１板部７０の室内側の端部と、既設下枠２２ｂの着座部５５とが対向した状態で、下方から第２ネジ４２により連結され、躯体２８に固定される。第２ネジ４２は、見付け方向下方に沿ってねじ込まれ、外周側に位置する躯体２８に螺合する。 The end portion of the first plate portion 70 on the indoor side and the seating portion 55 of the existing lower frame 22b are connected from below by the second screw 42 and fixed to the skeleton 28. The second screw 42 is screwed in along the lower side in the finding direction and screwed into the skeleton 28 located on the outer peripheral side.

取付面７８ａと新設下枠２０ｂの突出片６０とが面接触した状態で、室内側から第１ネジ４６により連結される。第１ネジ４６は見込み方向に沿ってねじ込まれる。これにより、新設枠１０を室内側から取り付けることができる。 The mounting surface 78a and the protruding piece 60 of the new lower frame 20b are in surface contact with each other and are connected from the indoor side by the first screw 46. The first screw 46 is screwed in the line of sight. As a result, the new frame 10 can be attached from the indoor side.

高さ調整機構８０は、下カバー枠２６ｂに設けられ、下カバー枠２６ｂおよび既設下枠２２ｂの間に介在し、下カバー枠２６ｂを既設下枠２２ｂの第１突条部５２ａに当接させる。これにより、新設下枠２０ｂが下カバー枠２６ｂを介して既設下枠２２ｂに載置でき、新設障子１４の荷重を既設下枠２２ｂで受け止めることができる。高さ調整機構８０は、室外側の新設障子１４の下方に位置し、新設下枠２０ｂの室外側部分の変形を抑えることができる。 The height adjusting mechanism 80 is provided on the lower cover frame 26b, is interposed between the lower cover frame 26b and the existing lower frame 22b, and brings the lower cover frame 26b into contact with the first ridge portion 52a of the existing lower frame 22b. .. As a result, the new lower frame 20b can be placed on the existing lower frame 22b via the lower cover frame 26b, and the load of the new shoji 14 can be received by the existing lower frame 22b. The height adjusting mechanism 80 is located below the new shoji screen 14 on the outdoor side, and can suppress deformation of the outdoor side portion of the new lower frame 20b.

高さ調整機構８０は、下カバー枠２６ｂに固定されたナット８０ａと、ナット８０ａに螺合するネジ８０ｂとを有する。ネジ８０ｂが回転されることで、ネジ８０ｂが上下方向に変位する。 The height adjusting mechanism 80 has a nut 80a fixed to the lower cover frame 26b and a screw 80b screwed into the nut 80a. By rotating the screw 80b, the screw 80b is displaced in the vertical direction.

スペーサ３６は、室内側の新設下枠２０ｂの下部に位置し、新設下枠２０ｂを下方から支持する。スペーサ３６が足部６９ａに当接して、新設下枠２０ｂの荷重を受ける。スペーサ３６は、室内側の突条部５８の下方に位置し、突条部５８に支持される新設障子１４の荷重を受ける。これにより、新設下枠２０ｂが額縁部材２４および躯体２８から大きく離れて内周側に配置されても、新設下枠２０ｂの室内側の変形を抑えることができる。 The spacer 36 is located below the new lower frame 20b on the indoor side and supports the new lower frame 20b from below. The spacer 36 comes into contact with the foot portion 69a and receives the load of the newly installed lower frame 20b. The spacer 36 is located below the ridge portion 58 on the indoor side and receives the load of the newly installed shoji 14 supported by the ridge portion 58. As a result, even if the new lower frame 20b is arranged on the inner peripheral side at a large distance from the frame member 24 and the skeleton 28, the deformation of the new lower frame 20b on the indoor side can be suppressed.

図５は、下カバー枠２６ｂおよびスペーサ３６の斜視断面図である。スペーサ３６は、中空の筒状に形成され、下カバー枠２６ｂに沿って延在する。スペーサ３６は、下カバー枠２６ｂのホロー部７４より室内側に位置し、第１板部７０に載置される。 FIG. 5 is a perspective sectional view of the lower cover frame 26b and the spacer 36. The spacer 36 is formed in a hollow cylindrical shape and extends along the lower cover frame 26b. The spacer 36 is located on the indoor side of the hollow portion 74 of the lower cover frame 26b, and is placed on the first plate portion 70.

スペーサ３６は、取付面７８ａに対向する側面にネジ挿通孔８４を有する。ネジ挿通孔８４には、第１ネジ４６が挿通される。スペーサ３６は、第１ネジ４６により新設下枠２０ｂの突出片６０とともに、取付部７８に固定される。取付部７８とスペーサ３６の間に突出片６０が挟まれる。 The spacer 36 has a screw insertion hole 84 on the side surface facing the mounting surface 78a. The first screw 46 is inserted into the screw insertion hole 84. The spacer 36 is fixed to the mounting portion 78 together with the protruding piece 60 of the newly installed lower frame 20b by the first screw 46. The protruding piece 60 is sandwiched between the mounting portion 78 and the spacer 36.

スペーサ３６は、凹部８２、第１受け部８３ａ、第２受け部８３ｂ、第１当接リブ８５ａおよび第２当接リブ８５ｂを有する。凹部８２は、上面に断面半円状に形成され、スペーサ３６を新設下枠２０ｂの足部６９ａに潜り込ませるために用いられる。 The spacer 36 has a recess 82, a first receiving portion 83a, a second receiving portion 83b, a first contact rib 85a and a second contact rib 85b. The recess 82 is formed on the upper surface in a semicircular cross section, and is used for inserting the spacer 36 into the foot portion 69a of the new lower frame 20b.

第１受け部８３ａは、スペーサ３６の上面に形成され、新設下枠２０ｂの足部６９ａを受ける。第１受け部８３ａは、凹部８２より室内側に位置し、第２受け部８３ｂは、凹部８２より室外側に位置し、新設下枠２０ｂの突部６９ｂを受ける。２箇所で支持することにより、新設下枠２０ｂを安定して支持できる。 The first receiving portion 83a is formed on the upper surface of the spacer 36 and receives the foot portion 69a of the newly installed lower frame 20b. The first receiving portion 83a is located on the indoor side of the recess 82, and the second receiving portion 83b is located on the outdoor side of the recess 82 and receives the protrusion 69b of the new lower frame 20b. By supporting at two places, the new lower frame 20b can be stably supported.

第１当接リブ８５ａおよび第２当接リブ８５ｂは、スペーサ３６の下面に形成され、第１当接リブ８５ａは、第２当接リブ８５ｂより室内側に位置する。第１当接リブ８５ａおよび第２当接リブ８５ｂは、第１板部７０の段差に応じて高さが異なっており、第２当接リブ８５ｂは、第１当接リブ８５ａより下方の位置で第１板部７０に当接する。 The first contact rib 85a and the second contact rib 85b are formed on the lower surface of the spacer 36, and the first contact rib 85a is located on the indoor side of the second contact rib 85b. The heights of the first contact rib 85a and the second contact rib 85b differ depending on the step of the first plate portion 70, and the second contact rib 85b is located below the first contact rib 85a. Abuts on the first plate portion 70.

図６は、スペーサ３６の取付方法について説明するための図である。スペーサ３６は、下カバー枠２６ｂおよび新設下枠２０ｂを既設下枠２２ｂに取り付けた後に、取り付けられる。新設下枠２０ｂの下方にはスペーサ３６の収容室Ａが形成される。スペーサ３６は、新設下枠２０ｂに確実に当接させるため、スペーサ３６の縦方向長さが足部６９ａおよび第１板部７０の隙間以上になっている。 FIG. 6 is a diagram for explaining a method of attaching the spacer 36. The spacer 36 is attached after attaching the lower cover frame 26b and the new lower frame 20b to the existing lower frame 22b. A storage chamber A for the spacer 36 is formed below the new lower frame 20b. In order to ensure that the spacer 36 is in contact with the new lower frame 20b, the vertical length of the spacer 36 is longer than the gap between the foot portion 69a and the first plate portion 70.

スペーサ３６は、室内側から新設下枠２０ｂの下方に移動させられ、凹部８２を足部６９ａの下端に当てられる。そして、足部６９ａの下端を回転支点にしてスペーサ３６が回転させられて、足部６９ａの下方に潜り込ませ、取付部７８に向かって押し込まれる。これにより、スペーサ３６が足部６９ａおよび突部６９ｂを支持した状態になり、第１ネジ４６により突出片６０とともに取付部７８に固定される。 The spacer 36 is moved from the indoor side to the lower side of the newly installed lower frame 20b, and the recess 82 is applied to the lower end of the foot portion 69a. Then, the spacer 36 is rotated with the lower end of the foot portion 69a as a rotation fulcrum, slips under the foot portion 69a, and is pushed toward the mounting portion 78. As a result, the spacer 36 is in a state of supporting the foot portion 69a and the protrusion portion 69b, and is fixed to the mounting portion 78 together with the protruding piece 60 by the first screw 46.

スペーサ３６は、足部６９ａから収容室Ａの下面までの収容室Ａの高さ寸法Ｈ１より、大きい高さ寸法Ｈ２の部分を凹部８２より室外側に有する。すなわち、図５に示す第１受け部８３ａから第１当接リブ８５ａの高さ寸法Ｈ１は、第２受け部８３ｂから第２当接リブ８５ｂの高さ寸法Ｈ２より小さい。スペーサ３６の室外側の高さが大きくなっているが、凹部８２で回転させながら差し込むことで、高さ寸法Ｈ２の部分を収容室Ａの奥に配置しやすくできる。 The spacer 36 has a portion having a height dimension H2 larger than the height dimension H1 of the accommodation chamber A from the foot portion 69a to the lower surface of the accommodation chamber A on the outdoor side of the recess 82. That is, the height dimension H1 from the first receiving portion 83a to the first contact rib 85a shown in FIG. 5 is smaller than the height dimension H2 from the second receiving portion 83b to the second contact rib 85b. Although the height of the outdoor side of the spacer 36 is large, the portion having the height dimension H2 can be easily arranged in the back of the accommodating chamber A by inserting the spacer 36 while rotating it in the recess 82.

図７は、実施例の改装サッシ１の横方向断面図である。改装サッシ１は横方向断面は対称形状であるため、図７では左側の断面のみ示す。 FIG. 7 is a cross-sectional view of the modified sash 1 of the embodiment in the horizontal direction. Since the modified sash 1 has a symmetrical cross section in the lateral direction, only the left cross section is shown in FIG. 7.

既設縦枠２２ｃは、ベース板部５０、突条部５２、外壁部５４および着座部５５を有する。新設下枠２０ｂは、ベース板部５６、突出片６０を有する。突出片６０は、ベース板部５６から見付け方向外周方向に突出する。 The existing vertical frame 22c has a base plate portion 50, a ridge portion 52, an outer wall portion 54, and a seating portion 55. The new lower frame 20b has a base plate portion 56 and a protruding piece 60. The projecting piece 60 projects from the base plate portion 56 in the outer peripheral direction in the finding direction.

縦カバー枠２６ｃは、第１板部７０、第２板部７２、ホロー部７４、取付部７８を有する。第１板部７０は、開口部４の縦辺に沿って延在し、横方向断面において見込み方向に延在する。第１板部７０は、既設枠１２の内周側に配置され、既設枠１２の突条部５２を覆う。 The vertical cover frame 26c has a first plate portion 70, a second plate portion 72, a hollow portion 74, and a mounting portion 78. The first plate portion 70 extends along the vertical side of the opening 4 and extends in the prospective direction in the cross section in the transverse direction. The first plate portion 70 is arranged on the inner peripheral side of the existing frame 12 and covers the ridge portion 52 of the existing frame 12.

第２板部７２は、第１板部７０の室外側の端部に連なり、見付け方向に延在する。第２板部７２は、第１板部７０の室外側の端部から外周側に延出し、既設枠１２の外壁部５４を覆い、意匠面を形成する。また、第２板部７２は、第１板部７０の室外側の端部から内周側にも延出する。 The second plate portion 72 is connected to the outdoor end of the first plate portion 70 and extends in the finding direction. The second plate portion 72 extends from the outdoor end of the first plate portion 70 to the outer peripheral side, covers the outer wall portion 54 of the existing frame 12, and forms a design surface. Further, the second plate portion 72 extends from the outdoor end portion of the first plate portion 70 to the inner peripheral side.

ホロー部７４は、カバー体１６の室外側に位置し、カバー体１６の長手方向に沿った中空の孔を形成する。ホロー部７４は、第１板部７０の外周側に設けられる。縦カバー枠２６ｃにホローが形成されることで、新設障子１４の開閉時に新設障子１４が当たった際の衝撃を吸収できる。 The hollow portion 74 is located on the outdoor side of the cover body 16 and forms a hollow hole along the longitudinal direction of the cover body 16. The hollow portion 74 is provided on the outer peripheral side of the first plate portion 70. By forming a hollow on the vertical cover frame 26c, it is possible to absorb the impact when the new shoji 14 hits when the new shoji 14 is opened and closed.

取付部７８は、第１板部７０から突出し、新設縦枠２０ｃとの取付面７８ａを有する。取付部７８は、第１板部７０から見付け方向内周向きに突出する。取付面７８ａは、室内側に面することで、新設枠１０を室内側から取り付けることが可能となる。 The mounting portion 78 projects from the first plate portion 70 and has a mounting surface 78a with the new vertical frame 20c. The mounting portion 78 projects from the first plate portion 70 in the inner peripheral direction in the finding direction. Since the mounting surface 78a faces the indoor side, the new frame 10 can be mounted from the indoor side.

第１板部７０の室内側の端部と、既設上枠２２ａの着座部５５とが対向した状態で、下方から第２ネジ４２により連結され、躯体２８に固定される。第２ネジ４２は、見付け方向上方に沿ってねじ込まれ、外周側に位置する躯体２８に係止する。 With the indoor end of the first plate 70 and the seating portion 55 of the existing upper frame 22a facing each other, they are connected from below by the second screw 42 and fixed to the skeleton 28. The second screw 42 is screwed in along the upper side in the finding direction and is locked to the skeleton 28 located on the outer peripheral side.

取付面７８ａと新設縦枠２０ｃの突出片６０とが面接触した状態で、室内側から第１ネジ４８により連結される。第１ネジ４８は見込み方向に沿ってねじ込まれる。これにより、新設枠１０を室内側から取り付けることができる。 The mounting surface 78a and the protruding piece 60 of the new vertical frame 20c are in surface contact with each other and are connected from the indoor side by the first screw 48. The first screw 48 is screwed in the line of sight. As a result, the new frame 10 can be attached from the indoor side.

吊り部材３８は、新設縦枠２０ｃの室内側のベース板部５６を躯体２８に固定して、新設縦枠２０ｃの室内側の部分が変形することを抑える補強部材として機能する。また、吊り部材３８により、突出片６０および取付部７８が見付け方向にずれる動きを制限し、突出片６０および取付部７８のネジ止めが緩くなることを抑えることができる。 The suspension member 38 functions as a reinforcing member that fixes the indoor side base plate portion 56 of the new vertical frame 20c to the skeleton 28 and suppresses deformation of the indoor side portion of the new vertical frame 20c. Further, the hanging member 38 can limit the movement of the protruding piece 60 and the mounting portion 78 to shift in the finding direction, and can prevent the protruding piece 60 and the mounting portion 78 from being loosened.

図８は、カバー体１６の部分斜視図であり、カバー体１６の連結について説明するための図である。カバー体１６を構成する四辺の各枠は、予め矩形状に組み立てられて、既設枠１２および躯体２８に取り付けられる。 FIG. 8 is a partial perspective view of the cover body 16, and is a diagram for explaining the connection of the cover body 16. Each of the four side frames constituting the cover body 16 is assembled in a rectangular shape in advance and attached to the existing frame 12 and the skeleton 28.

上カバー枠２６ａおよび下カバー枠２６ｂは平行に配置され、一対の縦カバー枠２６ｃは平行に配置される。図２では、上カバー枠２６ａおよび一方の縦カバー枠２６ｃが連結した状態を示す。上カバー枠２６ａおよび一方の縦カバー枠２６ｃは、固定ネジ２７により連結される。 The upper cover frame 26a and the lower cover frame 26b are arranged in parallel, and the pair of vertical cover frames 26c are arranged in parallel. FIG. 2 shows a state in which the upper cover frame 26a and one of the vertical cover frames 26c are connected. The upper cover frame 26a and one of the vertical cover frames 26c are connected by a fixing screw 27.

上カバー枠２６ａに形成された第１タッピングホール７６ａおよび第２タッピングホール７６ｂが形成され、一方の縦カバー枠２６ｃの上端部にネジ挿通孔が形成される。一対の固定ネジ２７は、一方の縦カバー枠２６ｃのネジ挿通孔に挿通されて、第１タッピングホール７６ａおよび第２タッピングホール７６ｂにそれぞれ螺合する。上カバー枠２６ａの逆側の端部も他方の縦カバー枠２６ｃと固定ネジ２７により連結される。 The first tapping hole 76a and the second tapping hole 76b formed in the upper cover frame 26a are formed, and a screw insertion hole is formed in the upper end portion of one of the vertical cover frames 26c. The pair of fixing screws 27 are inserted into the screw insertion holes of one of the vertical cover frames 26c and screwed into the first tapping hole 76a and the second tapping hole 76b, respectively. The opposite end of the upper cover frame 26a is also connected to the other vertical cover frame 26c by the fixing screw 27.

また、下カバー枠２６ｂにも第１タッピングホール７７ａおよび第２タッピングホール７７ｂが形成され、一対の縦カバー枠２６ｃの下端部にネジ挿通孔が形成される。下カバー枠２６ｂの両端部は、固定ネジ２７により一対の縦カバー枠２６ｃの下端部に連結される。つまり、一対の縦カバー枠２６ｃは、上カバー枠２６ａの両端部および下カバー枠２６ｂの両端部にそれぞれ連結する。これにより、カバー体１６が矩形状に組み立てられる。 Further, a first tapping hole 77a and a second tapping hole 77b are also formed in the lower cover frame 26b, and a screw insertion hole is formed in the lower end portion of the pair of vertical cover frames 26c. Both ends of the lower cover frame 26b are connected to the lower ends of the pair of vertical cover frames 26c by the fixing screws 27. That is, the pair of vertical cover frames 26c are connected to both ends of the upper cover frame 26a and both ends of the lower cover frame 26b, respectively. As a result, the cover body 16 is assembled into a rectangular shape.

カバー体１６は、矩形に組み立てられた状態で、既設枠１２の四辺を構成する各枠の内周側を覆って躯体２８に固定されるとともに、新設枠１０の四辺を構成する各枠に連結される。なお、カバー体１６の組み立ては、タッピングホールを用いたネジ止めに限らず、例えばＬ字状のアタッチメントを用いて連結してもよい。 The cover body 16 is fixed to the skeleton 28 by covering the inner peripheral side of each frame constituting the four sides of the existing frame 12 in a rectangular assembled state, and is connected to each frame constituting the four sides of the new frame 10. Will be done. The assembly of the cover body 16 is not limited to screwing using tapping holes, and may be connected using, for example, an L-shaped attachment.

図９は、新設障子１４の取付方法について説明するための模式図である。カバー体１６の四辺を構成する各枠が連結されて、カバー体１６が矩形に組み立てられる。また、新設枠１０も矩形に組み立てられる。新設枠１０およびカバー体１６の組み立て作業は、工場で実行されてよく、取り付け現場で実行されてよい。 FIG. 9 is a schematic view for explaining how to attach the new shoji screen 14. The frames forming the four sides of the cover body 16 are connected to form the cover body 16 into a rectangular shape. In addition, the new frame 10 is also assembled into a rectangular shape. The assembly work of the new frame 10 and the cover body 16 may be performed at the factory or at the installation site.

カバー体１６が組み立てられた状態で、既設枠１２の内周側に移動され、既設枠１２の着座部５５とともに躯体２８にネジ止めされる。カバー体１６の第１板部７０と既設枠１２の着座部５５の間には第１シール材８６が設けられる。 In the assembled state of the cover body 16, the cover body 16 is moved to the inner peripheral side of the existing frame 12, and is screwed to the skeleton 28 together with the seating portion 55 of the existing frame 12. A first sealing material 86 is provided between the first plate portion 70 of the cover body 16 and the seating portion 55 of the existing frame 12.

第１シール材８６は例えば防水用テープであり、着座部５５または第１板部７０に全周に亘って貼付され、着座部５５および第１板部７０に挟まれる。第１シール材８６は、第２ネジ４２の軸力により既設枠１２およびカバー体１６に密着されるため、シール性を向上できる。第１シール材８６は、室内側から既設枠１２およびカバー体１６の隙間を塞ぐように貼付されてよい。 The first sealing material 86 is, for example, a waterproof tape, which is attached to the seating portion 55 or the first plate portion 70 over the entire circumference and is sandwiched between the seating portion 55 and the first plate portion 70. Since the first sealing material 86 is brought into close contact with the existing frame 12 and the cover body 16 by the axial force of the second screw 42, the sealing property can be improved. The first sealing material 86 may be attached from the indoor side so as to close the gap between the existing frame 12 and the cover body 16.

次に、新設枠１０は、室内側から室外側に向かってカバー体１６の内周側に移動される。取付部７８の取付面７８ａが、室内側に面しており、突出片６０の当接面６０ａが、室外側に面している。突出片６０の当接面６０ａが取付部７８の取付面７８ａに面接触して、第１ネジ４０により連結される。作業者は新設枠１０を室内側から取り付けることができ、２階以上でも容易に作業できる。 Next, the new frame 10 is moved from the indoor side to the outdoor side toward the inner peripheral side of the cover body 16. The mounting surface 78a of the mounting portion 78 faces the indoor side, and the contact surface 60a of the protruding piece 60 faces the outdoor side. The contact surface 60a of the projecting piece 60 comes into surface contact with the mounting surface 78a of the mounting portion 78, and is connected by the first screw 40. The worker can attach the new frame 10 from the indoor side, and can easily work on the second floor or higher.

第２シール材８８は例えば防水用テープであり、取付部７８または突出片６０に全周に亘って貼付され、取付部７８および突出片６０の間に挟まれる。第２シール材８８は、第１ネジ４０の軸力によりカバー体１６および新設枠１０に密着されるため、シール性を向上できる。なお、第１シール材８６および第２シール材８８は、防水用テープに限られず、防水用シートであってよく、防水用テープと防水用シートの組み合わせであってもよい。 The second sealing material 88 is, for example, a waterproof tape, which is attached to the mounting portion 78 or the protruding piece 60 over the entire circumference and is sandwiched between the mounting portion 78 and the protruding piece 60. Since the second sealing material 88 is brought into close contact with the cover body 16 and the new frame 10 by the axial force of the first screw 40, the sealing property can be improved. The first sealing material 86 and the second sealing material 88 are not limited to the waterproof tape, but may be a waterproof sheet, or may be a combination of the waterproof tape and the waterproof sheet.

なお実施例はあくまでも例示であり、各構成要素の組合せにいろいろな変形例が可能であり、そうした変形例も本開示の範囲にあることは当業者に理解されるところである。従って、本明細書での記述および図面は限定的ではなく例証的に扱われるべきものである。 It should be noted that the examples are merely examples, and various modifications are possible for the combination of each component, and it is understood by those skilled in the art that such modifications are also within the scope of the present disclosure. Therefore, the descriptions and drawings herein should be treated as exemplary rather than limiting.

例えば、実施例ではカバー体１６が予め矩形に組み立てられて既設枠１２の内周側に配置される態様を示したが、この態様に限られず、カバー体１６の各枠が個別に既設枠１２の内周側に配置されてよいし、カバー体１６は連結されずに部分的に配置されてもよい。また、カバー体１６は、既設枠１２の室外側の見付け面を覆う部分と既設枠１２の見込み面側を覆う部分が一体となっているが、別部材を連結して用いられてもよい。 For example, in the embodiment, the cover body 16 is assembled in a rectangular shape in advance and arranged on the inner peripheral side of the existing frame 12, but the present invention is not limited to this mode, and each frame of the cover body 16 is individually assembled to the existing frame 12. The cover body 16 may be arranged on the inner peripheral side of the cover body 16 and may be partially arranged without being connected. Further, although the cover body 16 has a portion that covers the finding surface on the outdoor side of the existing frame 12 and a portion that covers the prospective surface side of the existing frame 12, it may be used by connecting different members.

また、実施例では、改装サッシ１が引き違い窓に用いられる態様を示したが、この態様に限られない。例えば、改装サッシ１は、シャッター付窓、雨戸付窓、縦すべり窓、浴室用窓などに用いることが可能である。また、第１突条部５２ａが第２突条部５２ｂより室外側に位置し、第２突条部５２ｂより同じまたは高い態様の既設下枠２２ｂであっても、実施例のカバー体１６を利用して、新設枠１０を取り付けることが可能である。 Further, in the embodiment, the modified sash 1 is used for the sliding window, but the present invention is not limited to this embodiment. For example, the refurbished sash 1 can be used for a window with a shutter, a window with a shutter, a vertical sliding window, a bathroom window, and the like. Further, even if the first ridge 52a is located on the outdoor side of the second ridge 52b and the existing lower frame 22b has the same or higher aspect than the second ridge 52b, the cover body 16 of the embodiment can be used. It is possible to attach the new frame 10 by using it.

また、実施例では、下カバー枠２６ｂが一つの部材である態様を示すが、この態様に限られない。例えば、第１板部７０と第２板部７２とが別体であってよく、第２板部７２が第１板部７０から着脱可能であってよい。 Further, in the embodiment, the lower cover frame 26b is shown as one member, but the present invention is not limited to this mode. For example, the first plate portion 70 and the second plate portion 72 may be separate bodies, and the second plate portion 72 may be detachable from the first plate portion 70.

１ 改装サッシ、 ４ 開口部、 １０ 新設枠、 １２ 既設枠、 １４ 新設障子、 １６ カバー体、 ２０ａ 新設上枠、 ２０ｃ 新設縦枠、 ２０ｂ 新設下枠、 ２２ａ 既設上枠、 ２２ｂ 既設下枠、 ２２ｃ 既設縦枠、 ２６ａ 上カバー枠、 ２６ｂ 下カバー枠、 ２６ｃ 縦カバー枠、 ２８ 躯体、 ３６ スペーサ、 ３８ 吊り部材、 ３８ａ 第１板部、 ３８ｂ 第２板部、 ３８ｄ 切り欠き部、 ５０ ベース板部、 ５２ 突条部、 ５６ ベース板部、 ５８ 突条部、 ６０ 突出片、 ６９ 足部、 ７０ 第１板部、 ７２ 第２板部、 ７４ ホロー部、 ７８ 取付部、 ７８ａ 取付面、 ８２ 凹部。 1 Refurbished sash, 4 Opening, 10 New frame, 12 Existing frame, 14 New shoji, 16 Cover body, 20a New upper frame, 20c New vertical frame, 20b New lower frame, 22a Existing upper frame, 22b Existing lower frame, 22c Existing vertical frame, 26a upper cover frame, 26b lower cover frame, 26c vertical cover frame, 28 skeleton, 36 spacer, 38 hanging member, 38a 1st plate, 38b 2nd plate, 38d notch, 50 base plate , 52 ridges, 56 base plates, 58 ridges, 60 protrusions, 69 feet, 70 1st plate, 72 2nd plate, 74 hollows, 78 mountings, 78a mounting surfaces, 82 recesses ..

Claims (7)

建物の開口部に設けられる改装サッシであって、
前記開口部に設けられる既設枠の内周側に配置される新設枠と、
前記新設枠の下枠を下方から支持するスペーサと、を備え、
前記スペーサは、前記新設枠の室内側に位置することを特徴する改装サッシ。 A refurbished sash installed at the opening of a building
A new frame arranged on the inner peripheral side of the existing frame provided in the opening, and
A spacer that supports the lower frame of the new frame from below is provided.
The spacer is a refurbished sash characterized in that it is located on the indoor side of the new frame. 前記下枠は、下向きに突き出る足部を有し、
前記スペーサは、
上面に設けられ、前記足部を受ける第１受け部と、
前記第１受け部より室外側において上面に設けられる凹部と、を有することを特徴とする請求項１に記載の改装サッシ。 The lower frame has a foot portion that protrudes downward, and has a foot portion that protrudes downward.
The spacer is
A first receiving portion provided on the upper surface and receiving the foot portion, and
The refurbished sash according to claim 1, further comprising a recess provided on the upper surface on the outdoor side of the first receiving portion. 前記凹部は、断面半円状に形成されることを特徴とする請求項２に記載の改装サッシ。 The refurbished sash according to claim 2, wherein the recess is formed in a semicircular cross section. 前記スペーサは、前記凹部よりも室外側において上面に設けられ、前記下枠の一部を受ける第２受け部を有することを特徴とする請求項３に記載の改装サッシ。 The refurbished sash according to claim 3, wherein the spacer is provided on the upper surface on the outdoor side of the recess and has a second receiving portion that receives a part of the lower frame. 前記下枠の下方には前記スペーサの収容室が形成され、
前記スペーサは、前記足部から前記収容室の下面までの前記収容室の高さ寸法よりも、大きい高さ寸法の部分を前記凹部より室外側に有することを特徴とする請求項２から４のいずれかに記載の改装サッシ。 A storage chamber for the spacer is formed below the lower frame.
2. Refurbished sash listed in either. 前記新設枠および前記既設枠の間に、前記既設枠の内周側を覆うカバー体をさらに備え、
前記スペーサは、前記カバー体に固定されることを特徴とする請求項１から５のいずれかに記載の改装サッシ。 A cover body covering the inner peripheral side of the existing frame is further provided between the new frame and the existing frame.
The refurbished sash according to any one of claims 1 to 5, wherein the spacer is fixed to the cover body. 建物の開口部に設けられる改装サッシの取付方法であって、
前記開口部に設けられる既設枠の内周側にカバー体を取り付けるステップと、
前記カバー体の内周側に新設枠を取り付けるステップと、
前記新設枠の新設下枠を下方から支持するスペーサを室内側から取り付けるステップと、を含み、
前記スペーサを取り付けるステップにおいて、
前記スペーサに形成された凹部を前記新設下枠の下端に当接した状態で、前記下端を回転支点にして前記スペーサを回転させて、前記新設下枠および前記カバー体の下カバー枠の間に前記スペーサを押し込むことを特徴とする改装サッシの取付方法。 It is a method of installing a refurbished sash installed at the opening of a building.
A step of attaching the cover body to the inner peripheral side of the existing frame provided in the opening, and
The step of attaching a new frame to the inner peripheral side of the cover body,
Includes a step of attaching a spacer that supports the new lower frame of the new frame from below from the indoor side.
In the step of attaching the spacer
With the recess formed in the spacer in contact with the lower end of the new lower frame, the spacer is rotated with the lower end as a rotation fulcrum, and between the new lower frame and the lower cover frame of the cover body. A method of mounting a refurbished sash, which comprises pushing in the spacer.
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