JP7020908B2 - Refurbished fittings - Google Patents

Refurbished fittings Download PDF

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JP7020908B2
JP7020908B2 JP2017254187A JP2017254187A JP7020908B2 JP 7020908 B2 JP7020908 B2 JP 7020908B2 JP 2017254187 A JP2017254187 A JP 2017254187A JP 2017254187 A JP2017254187 A JP 2017254187A JP 7020908 B2 JP7020908 B2 JP 7020908B2
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frame
existing
door frame
attached
outdoor
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JP2019120018A (en
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方隆 興梠
貴義 大前
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Lixil Corp
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Lixil Corp
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Description

本発明は、改装建具に関する。 The present invention relates to refurbished fittings.

従来、建物の開口に取り付ける建具に関して、リフォーム等で改装する際に、既に取り付けられている既設枠を外さずに、新設枠を取り付けることが知られている。この場合、既設枠が見えないように、新設枠は既設枠を覆うように配置される。（例えば、特許文献１参照）。 Conventionally, it is known that when a fitting to be attached to an opening of a building is remodeled by remodeling or the like, a new frame is attached without removing the existing frame that has already been attached. In this case, the new frame is arranged so as to cover the existing frame so that the existing frame cannot be seen. (See, for example, Patent Document 1).

特開２０１６－３３２８２号公報Japanese Unexamined Patent Publication No. 2016-33282

既設枠は、主に、建物の開口の外側から見込方向の内側に向かって取り付けられるねじと、既設枠の枠体の内側から見付方向外側に向かって取り付けられるねじにより、建物の躯体に取り付けられている。新設枠を既設枠に取り付けようとする際には、すでに安定して建具を取り付けられることができる位置にねじが位置しており、２本のねじを避けなければならなかった。このため、新設枠を既設枠に取り付ける際、ねじを締結できる位置の自由度が制限されており、施工しづらいという問題があった。 The existing frame is mainly attached to the building frame by screws that are attached from the outside of the opening of the building toward the inside in the prospective direction and screws that are attached from the inside of the frame of the existing frame toward the outside in the finding direction. Has been done. When trying to attach the new frame to the existing frame, the screws were already located at positions where the fittings could be stably attached, and two screws had to be avoided. For this reason, when attaching the new frame to the existing frame, the degree of freedom in the position where the screws can be fastened is limited, and there is a problem that it is difficult to construct.

本発明は、新設枠を既設枠の外側に取り付けやすい改装建具を提供することを目的とする。 An object of the present invention is to provide a refurbished fitting that makes it easy to attach a new frame to the outside of an existing frame.

本発明は、建物（例えば、後述の建物１００）の開口（例えば、後述の開口１０１）に設けられた既設枠（例えば、後述の既設ドア枠３）と、既設枠の内周面を覆うように設けられた新設枠（例えば、後述のドア枠２）と、を備える（例えば、後述の改装建具１）であって、前記新設枠は、前記既設枠のみに固定されている、改装建具に関する。 The present invention covers an existing frame (for example, an existing door frame 3 described later) provided in an opening (for example, an opening 101 described later) of a building (for example, a building 100 described later) and an inner peripheral surface of the existing frame. (For example, a door frame 2 described later) and a new frame provided in (for example, a refurbished fitting 1 described later), wherein the new frame is fixed only to the existing frame. ..

前記開口を開閉する戸体（例えば、後述のドア本体４）をさらに備え、前記既設枠は、前記内周面の四周に沿って内側に突出するように設けられ、前記既設枠は、前記内周面の四周に沿って内側に突出するように設けられ、前記既設枠に取り付けられていた戸体との隙間を塞ぐ気密材を取り付ける気密材取付部（例えば、後述の気密材取付部３１３、３３３、３４３）を有し、前記新設枠は、前記気密材取付部の見込方向外側に取り付けられることが好ましい。 A door body (for example, a door body 4 described later) that opens and closes the opening is further provided, the existing frame is provided so as to project inward along the four circumferences of the inner peripheral surface, and the existing frame is the inner frame. An airtight material mounting portion (for example, an airtight material mounting portion 313, which will be described later), which is provided so as to project inward along the four circumferences of the peripheral surface and which closes a gap with the door body attached to the existing frame. It has 333, 343), and it is preferable that the new frame is attached to the outside of the airtight material mounting portion in the prospective direction.

前記新設枠は、前記気密材取付部に当接して取り付けられることが好ましい。 It is preferable that the new frame is attached in contact with the airtight material attachment portion.

前記既設枠は、前記建物の躯体（例えば、後述の梁部材１１１、柱部材１１２）の前記開口側の見込面から室外側面を覆うように取り付けられることが好ましい。 It is preferable that the existing frame is attached so as to cover the outdoor side surface from the prospective surface on the opening side of the building frame (for example, the beam member 111 and the pillar member 112 described later).

本発明によれば、新設枠を既設枠の外側に取り付けやすい改装建具を提供することができる。 According to the present invention, it is possible to provide a refurbished fitting that makes it easy to attach a new frame to the outside of an existing frame.

本実施形態に係る建具を屋外側から視た図である。It is the figure which looked at the fitting which concerns on this embodiment from the outdoor side. 本実施形態に係る建具が建物の開口に納められた状態の縦断面図である。It is a vertical sectional view of the state where the fitting according to this embodiment is housed in the opening of a building. 本実施形態に係る建具が建物の開口に納められた状態の横断面図である。It is a cross-sectional view of the state where the fitting according to this embodiment is housed in the opening of a building.

以下、本発明の実施形態について、図面を参照しながら詳しく説明する。なお、本明細書において、「見付方向」とは、建物に形成された開口部に納められた建具におけるドア本体の幅方向（すなわち、左右方向）を意味し、「見込方向」とは、上記ドア本体の奥行き方向を意味する。 Hereinafter, embodiments of the present invention will be described in detail with reference to the drawings. In the present specification, the "finding direction" means the width direction (that is, the left-right direction) of the door body in the fitting housed in the opening formed in the building, and the "expected direction" is used. It means the depth direction of the door body.

図１は、本実施形態に係る改装建具１（以下、単に建具１とも言う）を屋外側から視た図である。本実施形態における建具１は、建物１００に既に取り付けられていた建具１を構成する既設の部材のうち、脱着が可能な部分を交換するとともに、建物１００に固定されている既設の部材を建物１００に取り付けたままで、新たな部材を新設して形成するリフォーム用の改装建具１である。
図１に示すように、建具１は、玄関ドア等のドアであり、建物１００に形成された開口１０１に納められる。建具１は、新設枠としてのドア枠２と、戸体としてのドア本体４と、建具用額縁５と、を備える。 FIG. 1 is a view of the refurbished fitting 1 (hereinafter, also simply referred to as fitting 1) according to the present embodiment as viewed from the outdoor side. The fitting 1 in the present embodiment replaces a detachable part of the existing members constituting the fitting 1 already attached to the building 100, and replaces the existing member fixed to the building 100 with the building 100. It is a remodeling fitting 1 for remodeling which is formed by newly installing a new member while it is still attached to the building.
As shown in FIG. 1, the fitting 1 is a door such as an entrance door, and is housed in an opening 101 formed in the building 100. The fitting 1 includes a door frame 2 as a new frame, a door body 4 as a door body, and a frame 5 for fittings.

ドア本体４は、長方形の板材により構成され、開口１０１を開閉するように取り付けられる。ドア本体４は、丁番４１を介して屋外側（図中手前側）で開閉可能に吊り込まれる。そして、ドア本体４の戸先側には、シリンダー錠４２及びハンドル４３が取り付けられている。 The door body 4 is made of a rectangular plate and is attached so as to open and close the opening 101. The door body 4 is suspended so as to be openable and closable on the outdoor side (front side in the figure) via the hinge 41. A cylinder lock 42 and a handle 43 are attached to the door end side of the door body 4.

ドア枠２及び建具用額縁５は、建物１００の開口１０１における開口縁１０２に沿って、ドア本体４の周囲に配置されている。ドア枠２及び建具用額縁５については、後に詳述する。 The door frame 2 and the frame 5 for fittings are arranged around the door body 4 along the opening edge 102 in the opening 101 of the building 100. The door frame 2 and the frame 5 for fittings will be described in detail later.

図２は、本実施形態に係る建具１が建物１００の開口１０１に納められた状態の縦断面図で、図３は、本実施形態に係る建具１が建物１００の開口１０１に納められた状態の横断面図である。なお、以下において左右とは、屋外側から視た場合の左右を意味する。つまり、図３において、見付方向で、吊元側が右側、戸先側が左側である。 FIG. 2 is a vertical sectional view showing a state in which the fitting 1 according to the present embodiment is housed in the opening 101 of the building 100, and FIG. 3 is a state in which the fitting 1 according to the present embodiment is housed in the opening 101 of the building 100. It is a cross-sectional view of. In the following, the left and right means the left and right when viewed from the outdoor side. That is, in FIG. 3, in the finding direction, the hanging side is on the right side and the door end side is on the left side.

図２及び３に示すように、開口１０１は、建物１００の躯体としての梁部材１１１及び左右の柱部材１１２と、屋内側の床材１１３と、により四周を区画されている。
梁部材１１１及び左右の柱部材１１２の内面側には、室内側額縁材１１４が配置されている。室内側額縁材１１４は、梁部材１１１に対してはスペーサ１１５を介して固定され、右方の柱部材１１２に対しては直接固定される。 As shown in FIGS. 2 and 3, the opening 101 is divided into four circumferences by a beam member 111 as a frame of the building 100, left and right pillar members 112, and an indoor floor material 113.
An indoor side frame member 114 is arranged on the inner surface side of the beam member 111 and the left and right pillar members 112. The indoor side frame member 114 is fixed to the beam member 111 via the spacer 115, and is directly fixed to the right column member 112.

梁部材１１１と左右の柱部材１１２の少なくとも屋内側には、断熱材１１９が配置される。断熱材１１９と梁部材１１１の間には、スペーサ１１５が配置される。
梁部材１１１及び左右の柱部材１１２の屋外側には、外装パネル１１８が配置されている。この外装パネル１１８の端縁により、開口１０１の縁としての開口縁１０２が区画されている。 A heat insulating material 119 is arranged at least on the indoor side of the beam member 111 and the left and right pillar members 112. A spacer 115 is arranged between the heat insulating material 119 and the beam member 111.
An exterior panel 118 is arranged on the outdoor side of the beam member 111 and the left and right pillar members 112. The edge of the exterior panel 118 partitions the opening edge 102 as the edge of the opening 101.

床材１１３は、化粧材１１６及びモルタル１１７により構成されている。化粧材１１６は、建具１の室外側及び室内側ともに、モルタル１１７の上面側に水平に配置されている。 The floor material 113 is composed of a decorative material 116 and a mortar 117. The decorative material 116 is horizontally arranged on the upper surface side of the mortar 117 on both the outdoor side and the indoor side of the fitting 1.

図２及び図３に示すように、ドア枠２が、既設枠としての既設ドア枠３の幅方向の内側且つ室外側に取り付けられる。図２及び図３において、既設ドア枠３は、破線で示されている。 As shown in FIGS. 2 and 3, the door frame 2 is attached to the inside and the outside of the existing door frame 3 as an existing frame in the width direction. In FIGS. 2 and 3, the existing door frame 3 is shown by a broken line.

まず、既設ドア枠３の構成について説明する。
既設ドア枠３は、開口１０１の内側に設けられ、長方形の枠状に形成される。既設ドア枠３は、既設上枠３１と、既設下枠３２と、左右の既設縦枠３３、３４と、により構成され、気密材取付部３１３、３３３、３４３を有する。既設ドア枠３は、躯体（梁部材１１１、柱部材１１２）の開口１０１側における見込面から室外側面を覆うように、いわゆる半外納まりで取り付けられる。 First, the configuration of the existing door frame 3 will be described.
The existing door frame 3 is provided inside the opening 101 and is formed in a rectangular frame shape. The existing door frame 3 is composed of an existing upper frame 31, an existing lower frame 32, and left and right existing vertical frames 33, 34, and has an airtight material mounting portion 313, 333, 343. The existing door frame 3 is attached so as to cover the outdoor side surface from the prospective surface on the opening 101 side of the skeleton (beam member 111, pillar member 112) in a so-called semi-outer fit.

図２に示すように、既設上枠３１は、断面方形（ホロー構造）に形成され、梁部材１１１の下方にスペーサ１１５を介して固定されている。
既設上枠３１は、室内部分３１１と、室外部分３１２と、気密材取付部３１３と、を有する。 As shown in FIG. 2, the existing upper frame 31 is formed in a rectangular cross section (hollow structure) and is fixed below the beam member 111 via a spacer 115.
The existing upper frame 31 has an indoor portion 311 and an outdoor portion 312, and an airtight material mounting portion 313.

室内部分３１１は、断面視略コの字型の形状をし、開口側が梁部材１１１に当接するように固定される。室内部分３１１は、室内側額縁材１１４の室外側に当接し、室内部分３１１の下方の側面と、室内側額縁材１１４の下方の側面とが連続する一面となるように梁部材１１１の下方に取り付けられる。
室内部分３１１では、既設上枠取付ねじ３１１ａが既設ドア枠３の上下方向に延びるように締結され、室内部分３１１は、既設上枠取付ねじ３１１ａにより梁部材１１１に固定される。 The indoor portion 311 has a substantially U-shaped cross-sectional view, and is fixed so that the opening side abuts on the beam member 111. The indoor portion 311 abuts on the outdoor side of the indoor side frame material 114, and is below the beam member 111 so that the lower side surface of the indoor side frame material 114 and the lower side surface of the indoor side frame material 114 are continuous one surface. It is attached.
In the indoor portion 311, the existing upper frame mounting screw 311a is fastened so as to extend in the vertical direction of the existing door frame 3, and the indoor portion 311 is fixed to the beam member 111 by the existing upper frame mounting screw 311a.

室外部分３１２は、室内部分３１１から連続して室外側に突出する。室外部分３１２は、額縁部３１２ａと、額縁取付部３１２ｂとを有する。
額縁部３１２ａは、内部が中空に形成されて室外側に突出するとともに、開口１０１の開口縁１０２の周囲に沿って配置される。額縁部３１２ａは、室内部分３１１の室外側から上方に延び、梁部材１１１の室外側面に一部が当接されている。
額縁取付部３１２ｂは、額縁部３１２ａの上下方向の最も上方の端部から、柱部材１１２の室外側面に沿って延出する板状の部分である。室外部分３１２では、既設上枠取付ねじ３１２ｃが既設ドア枠３の見込方向に延びるように締結され、室外部分３１２は、既設上枠取付ねじ３１２ｃにより、柱部材１１２に固定される。 The outdoor portion 312 continuously projects outward from the indoor portion 311. The outdoor portion 312 has a frame portion 312a and a frame mounting portion 312b.
The frame portion 312a is formed to be hollow inside and protrudes to the outside of the room, and is arranged along the periphery of the opening edge 102 of the opening 101. The frame portion 312a extends upward from the outdoor side of the indoor portion 311 and is partially in contact with the outdoor side surface of the beam member 111.
The frame mounting portion 312b is a plate-shaped portion extending from the uppermost end of the frame portion 312a in the vertical direction along the outdoor surface of the pillar member 112. In the outdoor portion 312, the existing upper frame mounting screw 312c is fastened so as to extend in the prospective direction of the existing door frame 3, and the outdoor portion 312 is fixed to the pillar member 112 by the existing upper frame mounting screw 312c.

気密材取付部３１３は、室内部分３１１の下方の側面から既設ドア枠３の下方に向かって突出する部分である。気密材取付部３１３は、室内部分３１１を基端部とし、既設ドア枠３の下方を先端部とする板状の部材であり、先端部の室外側面に、既設ドア枠３に取り付けられていた戸体としての改装前のドア本体（図示せず）を取り付けた場合に、改装前のドア本体との間の隙間を防ぐ弾性パッキン等の気密材（図示せず）が取り付けられる係止部３１３ｃが設けられている。
気密材取付部３１３は、改装前のドア本体を取り付けた場合に、改装前のドア本体の室外側と室内側の境界近傍に配置されている。 The airtight material mounting portion 313 is a portion that protrudes from the lower side surface of the indoor portion 311 toward the lower side of the existing door frame 3. The airtight material mounting portion 313 is a plate-shaped member having an indoor portion 311 as a base end portion and a tip portion below the existing door frame 3, and is mounted on the existing door frame 3 on the outdoor side surface of the tip portion. Locking part 313c to which an airtight material (not shown) such as elastic packing that prevents a gap between the door body before remodeling and the door body before remodeling is attached when the door body (not shown) before remodeling as a door body is attached. Is provided.
The airtight material mounting portion 313 is arranged near the boundary between the outdoor side and the indoor side of the door body before remodeling when the door body before remodeling is mounted.

既設下枠３２は、平板状の部材が屈曲して形成されている。既設下枠３２は、室内側水平面３２１と、室外側水平面３２２と、段差部３２３と、室外側段差部３２４と、を有する。
室内側水平面３２１は、室内側で水平方向に延び、室内の床面と同じ高さに設けられる面である。
室外側水平面３２２は、室内側水平面３２１よりも下方で、室外側に向かって延びる面である。
段差部３２３は、室内側水平面３２１及び室外側水平面３２２を上下方向に接続する部分である。段差部３２３は、既設上枠３１の気密材取付部３１３の直下に配置され、気密材取付部３１３の係止部３１３ｃの外側端部から垂直方向に延ばした仮想線の延長線上に延びる（図２中では、上枠２１の室内側側面の線として表れている）。
室外側段差部３２４は、室外側水平面３２２の室外側端部から屈曲して下方に延びる。
既設下枠３２は、既設上枠３１に対向する位置で、モルタル１１７の上面に直接固定され、一部がモルタル１１７に埋め込まれている。 The existing lower frame 32 is formed by bending a flat plate-shaped member. The existing lower frame 32 has an indoor side horizontal plane 321, an outdoor side horizontal plane 322, a step portion 323, and an outdoor side step portion 324.
The indoor horizontal plane 321 extends horizontally on the indoor side and is provided at the same height as the floor surface in the room.
The outdoor horizontal plane 322 is a plane below the indoor horizontal plane 321 and extending toward the outdoor side.
The step portion 323 is a portion that connects the indoor horizontal plane 321 and the outdoor horizontal plane 322 in the vertical direction. The step portion 323 is arranged directly under the airtight material mounting portion 313 of the existing upper frame 31, and extends on an extension line of a virtual line extending in the vertical direction from the outer end portion of the locking portion 313c of the airtight material mounting portion 313 (FIG. In 2, it appears as a line on the indoor side of the upper frame 21).
The outdoor step portion 324 bends from the outdoor end of the outdoor horizontal plane 322 and extends downward.
The existing lower frame 32 is directly fixed to the upper surface of the mortar 117 at a position facing the existing upper frame 31, and a part of the existing lower frame 32 is embedded in the mortar 117.

図３に示すように、左右の既設縦枠３３、３４は、室内部分３３１、３４１と、室外部分３３２、３４２と、気密材取付部３３３、３４３と、を有する。 As shown in FIG. 3, the left and right existing vertical frames 33, 34 have an indoor portion 331, 341, an outdoor portion 332, 342, and an airtight material mounting portion 333, 343.

室内部分３３１、３４１は、断面視略コの字型の形状をし、開口側が柱部材１１２に当接するように固定される。室内部分３３１、３４１は、室内側額縁材１１４の室外側に当接し、室内部分３３１、３４１の見込面と、室内側額縁材１１４の見込面とが連続する一面となるように柱部材１１２の室内側に取り付けられる。
室内部分３３１、３４１では、既設縦枠取付ねじ３３１ａ、３４１ａが既設ドア枠３の見付方向に延びるように締結され、室内部分３３１、３４１は、既設縦枠取付ねじ３３１ａ、３４１ａにより柱部材１１２に固定される。 The indoor portions 331 and 341 have a substantially U-shaped cross-sectional view, and are fixed so that the opening side abuts on the pillar member 112. The indoor portions 331 and 341 are in contact with the outdoor side of the indoor side frame material 114, and the pillar member 112 is formed so that the prospective surface of the indoor portion 331 and 341 and the prospective surface of the indoor side frame material 114 are continuous one surface. It can be installed on the indoor side.
In the indoor portions 331 and 341, the existing vertical frame mounting screws 331a and 341a are fastened so as to extend in the finding direction of the existing door frame 3, and the indoor portions 331 and 341 are connected to the pillar member 112 by the existing vertical frame mounting screws 331a and 341a. Is fixed to.

室外部分３３２、３４２は、室内部分３３１、３４１から連続して室外側に突出する。室外部分３３２、３４２は、額縁部３３２ａ、３４２ａと、額縁取付部３３２ｂ、３４２ｂとを有する。
額縁部３３２ａ、３４２ａは、内部が中空に形成されて室外側に突出するとともに、開口１０１の開口縁１０２の周囲に沿って配置される。額縁部３３２ａ、３４２ａは、室内側では、室内部分３３１、３４１の室外側から見付方向外側に延び、柱部材１１２の室外側面に一部が当接されている。
額縁取付部３３２ｂ、３４２ｂは、額縁部３３２ａ、３４２ａの見付方向の最も外側の端部から、柱部材１１２の室外側面に沿って延出する板状の部分である。
室外部分３３２、３４２では、既設縦枠取付ねじ３３２ｃ、３４２ｃが既設ドア枠３の見込方向に延びるように締結され、室外部分３３２、３４２は、既設縦枠取付ねじ３３２ｃ、３４２ｃにより、柱部材１１２に固定される。 The outdoor portions 332 and 342 continuously project outward from the indoor portions 331 and 341. The outdoor portions 332 and 342 have frame portions 332a and 342a and frame mounting portions 332b and 342b.
The frame portions 332a and 342a are formed to be hollow inside and project to the outdoor side, and are arranged along the periphery of the opening edge 102 of the opening 101. On the indoor side, the frame portions 332a and 342a extend from the outdoor side of the indoor portions 331 and 341 to the outside in the finding direction, and a part of the frame portions 332a and 342a are in contact with the outdoor side surface of the pillar member 112.
The frame mounting portions 332b and 342b are plate-shaped portions extending from the outermost ends of the frame portions 332a and 342a in the finding direction along the outdoor surface of the pillar member 112.
In the outdoor portions 332 and 342, the existing vertical frame mounting screws 332c and 342c are fastened so as to extend in the prospective direction of the existing door frame 3, and the outdoor portions 332 and 342 are connected to the column member 112 by the existing vertical frame mounting screws 332c and 342c. Is fixed to.

気密材取付部３３３、３４３は、室内部分３３１、３４１の室内側の見込面から既設ドア枠３の内側に向かって突出する部分である。気密材取付部３３３、３４３は、室内部分３３１、３４１を基端部とし、既設ドア枠３の内側を先端部とする板状の部材であり、先端部の室外側面に、改装前のドア本体を取り付けた場合に、改装前のドア本体との間の隙間を防ぐ気密材が取り付けられる係止部３３３ｃ、３４３ｃが設けられている。
既設上枠３１の気密材取付部３１３、及び既設縦枠３３、３４の気密材取付部３３３、３４３は、既設ドア枠３の内周面に沿って、内側に突出するように設けられる。 The airtight material mounting portion 333, 343 is a portion that protrudes from the prospective surface on the indoor side of the indoor portions 331 and 341 toward the inside of the existing door frame 3. The airtight material mounting portion 333, 343 is a plate-shaped member having the indoor portions 331 and 341 as the base ends and the inside of the existing door frame 3 as the tip portion, and the door main body before remodeling is on the outdoor side surface of the tip portion. There is provided a locking portion 333c, 343c to which an airtight material is attached to prevent a gap between the door body and the door body before refurbishment.
The airtight material mounting portion 313 of the existing upper frame 31 and the airtight material mounting portions 333 and 343 of the existing vertical frames 33 and 34 are provided so as to project inward along the inner peripheral surface of the existing door frame 3.

次に、ドア枠２の構成について説明する。
ドア枠２は、開口１０１の内側に配置され、長方形の枠状に形成される。ドア枠２は、既設ドア枠３の内周面を覆って既設ドア枠３に部分的に重なるように取り付けられる。ドア枠２は、既設ドア枠３のみに固定される。ドア枠２は、既設ドア枠３の室外側、詳細には、既設ドア枠３の気密材取付部３１３、３３３、３４３の見込方向外側に取り付けられる。ドア枠２は、上枠２１と、下枠２２と、左右の縦枠２３、２４と、内額縁２５と、を有する。 Next, the configuration of the door frame 2 will be described.
The door frame 2 is arranged inside the opening 101 and is formed in the shape of a rectangular frame. The door frame 2 is attached so as to cover the inner peripheral surface of the existing door frame 3 and partially overlap the existing door frame 3. The door frame 2 is fixed only to the existing door frame 3. The door frame 2 is attached to the outdoor side of the existing door frame 3, specifically, to the outside of the airtight material mounting portion 313, 333, 343 of the existing door frame 3 in the prospective direction. The door frame 2 has an upper frame 21, a lower frame 22, left and right vertical frames 23 and 24, and an inner frame 25.

図２に示すように、上枠２１は、断面方形（ホロー構造）に形成され、その下面がドア本体４の上面に対向している。上枠２１の室内側面は、既設ドア枠３の気密材取付部３１３と見込方向室外側にずれた位置に配置される。より具体的には、上枠２１の室内側面は、既設ドア枠３の係止部３１３ｃに当接するように取り付けられる。上枠２１は、既設上枠３１にスペーサを介して上枠取付ねじ６１で固定されている。上枠２１は、上枠取付ねじ６１が既設上枠３１の室外部分３１２に締結されることで固定される。上枠取付ねじ６１は、締結後の位置が梁部材１１１と見込方向外側にずれている。上枠取付ねじ６１は、軸先が上方に向かうように既設上枠３１のみに締結され、梁部材１１１には締結されていない。
上枠２１は、下方に延びる上枠パッキン取り付け部２１ａを有し、ドア本体４を傷つけないように受け止めるシールパッキン９１が上枠パッキン取り付け部２１ａに取り付けられている。 As shown in FIG. 2, the upper frame 21 is formed in a square cross section (hollow structure), and its lower surface faces the upper surface of the door body 4. The indoor side surface of the upper frame 21 is arranged at a position deviated from the airtight material mounting portion 313 of the existing door frame 3 to the outside of the room in the prospective direction. More specifically, the indoor side surface of the upper frame 21 is attached so as to abut on the locking portion 313c of the existing door frame 3. The upper frame 21 is fixed to the existing upper frame 31 with an upper frame mounting screw 61 via a spacer. The upper frame 21 is fixed by fastening the upper frame mounting screw 61 to the outdoor portion 312 of the existing upper frame 31. The position of the upper frame mounting screw 61 after fastening is deviated from the beam member 111 to the outside in the expected direction. The upper frame mounting screw 61 is fastened only to the existing upper frame 31 so that the shaft tip faces upward, and is not fastened to the beam member 111.
The upper frame 21 has an upper frame packing mounting portion 21a extending downward, and a seal packing 91 for receiving the door body 4 so as not to damage it is attached to the upper frame packing mounting portion 21a.

下枠２２は、上枠２１に対向して配置され、水平面２２１と、立ち上がり部２２２と、室外側段差部２２３と、を有する。
水平面２２１は、平坦で、水平方向に延びてドア本体４の下面に対向する。水平面２２１は、既設下枠３２の室外側水平面３２２の上に載るように設置される。
立ち上がり部２２２は、水平面２２１から上方に向かって起立する部分である。立ち上がり部２２２は、既設下枠３２の段差部３２３の室外側面に沿って固定される。立ち上がり部２２２の高さは、既設ドア枠３の段差部３２３の高さと概ね同様の高さに形成されている。立ち上がり部２２２は、室外側の面に下枠パッキン取り付け部２２ａを有し、上枠２１の場合と同様に、シールパッキン９１が下枠パッキン取り付け部２２ａに取り付けられている。
室外側段差部２２３は、水平面２２１の室外側の端部から下方に延び、床材１１３の化粧材１１６の上に支持される。室外側段差部２２３の室外側の端部は、上枠２１の室外側端部から垂直方向下方に延ばした仮想線の延長線上に延びる（図２中では、上枠２１の室外側側面の線として表れている）。 The lower frame 22 is arranged so as to face the upper frame 21, and has a horizontal plane 221, a rising portion 222, and an outdoor step portion 223.
The horizontal plane 221 is flat and extends horizontally to face the lower surface of the door body 4. The horizontal plane 221 is installed so as to be placed on the outdoor horizontal plane 322 of the existing lower frame 32.
The rising portion 222 is a portion that rises upward from the horizontal plane 221. The rising portion 222 is fixed along the outdoor surface of the stepped portion 323 of the existing lower frame 32. The height of the rising portion 222 is formed to be substantially the same as the height of the stepped portion 323 of the existing door frame 3. The rising portion 222 has a lower frame packing mounting portion 22a on the outdoor surface, and the seal packing 91 is attached to the lower frame packing mounting portion 22a as in the case of the upper frame 21.
The outdoor step portion 223 extends downward from the outdoor end of the horizontal plane 221 and is supported on the decorative material 116 of the floor material 113. The outdoor end of the outdoor step portion 223 extends on an extension of a virtual line extending vertically downward from the outdoor end of the upper frame 21 (in FIG. 2, a line on the outdoor side surface of the upper frame 21). Appears as).

図３に示すように、左右の縦枠２３、２４は、断面方形（ホロー構造）に形成され、その内側の側面がドア本体４の見込方向の面に対向している。左右の縦枠２３、２４の室内側面は、既設ドア枠３の気密材取付部３３３、３４３と見込方向外側にずれた位置に配置される。より具体的には、左右の縦枠２３、２４の室内側面は、既設ドア枠３の係止部３３３ｃ、３４３ｃに当接するように取り付けられる。左右の縦枠２３、２４は、左右の既設縦枠３３、３４の室外部分３３２、３４２に、スペーサ１１５を介して固定されている。左右の縦枠２３、２４は、縦枠取付ねじ６２が既設縦枠３３、３４の室外部分３３２、３４２に締結されることで固定される。縦枠取付ねじ６２は、締結後の位置が柱部材１１２と見込方向外側にずれている。縦枠取付ねじ６２は、軸先が見付方向外側に向かうように既設縦枠３３、３４にのみ締結され、柱部材１１２には締結されていない。
左右の縦枠２３、２４は、それぞれドア本体４の内側に向かって延びる縦枠パッキン取り付け部２３ａ、２４ａを有し、上枠２１及び下枠２２の場合と同様に、シールパッキン９１が縦枠パッキン取り付け部２３ａ、２４ａに取り付けられている。 As shown in FIG. 3, the left and right vertical frames 23 and 24 are formed in a square cross section (hollow structure), and the inner side surface thereof faces the surface of the door body 4 in the prospective direction. The interior side surfaces of the left and right vertical frames 23 and 24 are arranged at positions displaced outward from the airtight material mounting portions 333 and 343 of the existing door frame 3 in the expected direction. More specifically, the interior side surfaces of the left and right vertical frames 23 and 24 are attached so as to abut against the locking portions 333c and 343c of the existing door frame 3. The left and right vertical frames 23 and 24 are fixed to the outdoor portions 332 and 342 of the left and right existing vertical frames 33 and 34 via a spacer 115. The left and right vertical frames 23 and 24 are fixed by fastening the vertical frame mounting screws 62 to the outdoor portions 332 and 342 of the existing vertical frames 33 and 34. The position of the vertical frame mounting screw 62 after fastening is deviated from the pillar member 112 to the outside in the expected direction. The vertical frame mounting screw 62 is fastened only to the existing vertical frames 33 and 34 so that the shaft tip faces outward in the finding direction, and is not fastened to the pillar member 112.
The left and right vertical frames 23 and 24 have vertical frame packing mounting portions 23a and 24a extending toward the inside of the door body 4, respectively, and the seal packing 91 is a vertical frame as in the case of the upper frame 21 and the lower frame 22. It is attached to the packing attachment portions 23a and 24a.

内額縁２５は、図２及び図３に示すように、ドア枠２の内側の面から室内側に向かって延びるよう上枠２１と、左右の縦枠２３、２４の三方に設けられている。内額縁２５は、既設ドア枠３の室内側の一部と、室内側額縁材１１４の一部とを覆うように配置される。
内額縁２５は、内額縁内側面２５１と、室内側側面部２５２と、を有する。内額縁内側面２５１は、室外側から室内側に向かって延びる平板状の面である。室内側側面部２５２は、内額縁内側面２５１から垂直方向に屈曲する平板状の面である。内額縁２５は、ねじにより室内側額縁材１１４に固定されている。 As shown in FIGS. 2 and 3, the inner frame 25 is provided on three sides of the upper frame 21 and the left and right vertical frames 23 and 24 so as to extend from the inner surface of the door frame 2 toward the indoor side. The inner frame 25 is arranged so as to cover a part of the indoor side of the existing door frame 3 and a part of the indoor side frame material 114.
The inner frame 25 has an inner frame inner side surface 251 and an indoor side surface portion 252. The inner side surface 251 of the inner frame is a flat plate-like surface extending from the outdoor side toward the indoor side. The indoor side surface portion 252 is a flat plate-shaped surface that bends in the vertical direction from the inner side surface portion 251 of the inner frame. The inner frame 25 is fixed to the indoor frame member 114 by screws.

建具用額縁５は、上枠２１及び左右の縦枠２３、２４に連結され、既設ドア枠３の室外部分３１２、３３２、３４２を覆うように取り付けられる額縁部材である。建具用額縁５は、断面視で略コの字状の形状を有する。建具用額縁５は、建具１の開口１０１の開口縁１０２に沿ってドア枠２に取り付けられる直線的な縦長の形状を有する。建具用額縁５は、化粧面部５１と、長さ調整部５２と、嵌合部５３と、を有する。建具用額縁５は、アルミ材により形成されている。 The frame 5 for fittings is a frame member connected to the upper frame 21 and the left and right vertical frames 23, 24 and attached so as to cover the outdoor portions 312, 332, 342 of the existing door frame 3. The frame 5 for fittings has a substantially U-shaped shape in a cross-sectional view. The frame 5 for fittings has a linear vertically long shape attached to the door frame 2 along the opening edge 102 of the opening 101 of the fitting 1. The frame 5 for fittings has a decorative surface portion 51, a length adjusting portion 52, and a fitting portion 53. The frame 5 for fittings is made of an aluminum material.

化粧面部５１は、ドア枠２の見付け面の少なくとも一部を覆うように配置される。化粧面部５１は、断面視で略コの字状の形状を有し、既設ドア枠３の室外部分３１２、３３２、３４２を覆うように配置される。 The decorative surface portion 51 is arranged so as to cover at least a part of the finding surface of the door frame 2. The decorative surface portion 51 has a substantially U-shaped shape in cross-sectional view, and is arranged so as to cover the outdoor portions 312, 332, and 342 of the existing door frame 3.

長さ調整部５２は、縦枠２３、２４における化粧面部５１の見付方向外側の端部、及び上枠２１における化粧面部５１上方端部に連結され、建具１の見込方向を覆うように延びる縦長の平板状の部材である。長さ調整部５２は、長手方向が開口縁１０２の各辺に沿うように配置される。 The length adjusting portion 52 is connected to the outer end of the decorative surface portion 51 in the vertical frames 23 and 24 in the finding direction and the upper end of the decorative surface portion 51 in the upper frame 21 and extends so as to cover the expected direction of the fitting 1. It is a vertically long flat plate-shaped member. The length adjusting portion 52 is arranged so that the longitudinal direction is along each side of the opening edge 102.

嵌合部５３は、化粧面部５１と、長さ調整部５２にそれぞれ形成され、互いを連結可能に構成されている。 The fitting portion 53 is formed on the decorative surface portion 51 and the length adjusting portion 52, respectively, and is configured to be connectable to each other.

次に、ドア枠２の施工方法について説明する。
改装の際には、既設ドア枠３が建物の開口縁１０２に半外納まりで取り付けられている。ドア枠２を既設ドア枠３に取り付ける前に、既設ドア枠３に取り付けられていたドア本体を取り外す。また、既設ドア枠３の気密材取付部３１３、３３３、３４３の係止部３１３ｃ、３３３ｃ、３４３ｃに係止されていた気密材をカッター等で取り除く。 Next, the construction method of the door frame 2 will be described.
At the time of renovation, the existing door frame 3 is attached to the opening edge 102 of the building in a semi-outer manner. Before attaching the door frame 2 to the existing door frame 3, the door body attached to the existing door frame 3 is removed. Further, the airtight material locked to the locking portions 313c, 333c, and 343c of the airtight material mounting portion 313, 333, and 343 of the existing door frame 3 is removed by a cutter or the like.

図２に示すように、既設上枠３１では、室内部分３１１の既設上枠取付ねじ３１１ａが既設ドア枠３の上下方向に、室外部分３１２の既設上枠取付ねじ３１２ｃが既設ドア枠３の見込方向に向かって締結されており、互いの軸が交差するとともに、軸先が近づく方向に延びている。ドア枠２の上枠２１を取り付けようとする際には、上枠取付ねじ６１を取り付けることのできる空間が限定されている。そこで、上枠取付ねじ６１を、上枠２１から既設ドア枠３の室外部分３１２を貫通するように締結する。このとき、上枠取付ねじ６１を、既設ドア枠３のみに固定し、隣接する梁部材１１１から室外側にずれるように、梁部材１１１に沿って配置する。上枠取付ねじ６１の位置は、なるべく室内側寄り、梁部材１１１側寄りが好ましい。 As shown in FIG. 2, in the existing upper frame 31, the existing upper frame mounting screw 311a of the indoor portion 311 is expected to be in the vertical direction of the existing door frame 3, and the existing upper frame mounting screw 312c of the outdoor portion 312 is expected to be the existing door frame 3. It is fastened in the direction, and the axes intersect with each other and extend in the direction in which the tip of the axis approaches. When trying to attach the upper frame 21 of the door frame 2, the space where the upper frame mounting screw 61 can be attached is limited. Therefore, the upper frame mounting screw 61 is fastened from the upper frame 21 so as to penetrate the outdoor portion 312 of the existing door frame 3. At this time, the upper frame mounting screw 61 is fixed only to the existing door frame 3 and arranged along the beam member 111 so as to be displaced from the adjacent beam member 111 to the outdoor side. The position of the upper frame mounting screw 61 is preferably closer to the indoor side and closer to the beam member 111 side.

また、既設上枠３１から、気密材取付部３１３が下方に突出している。ドア枠２を取り付ける前に気密材取付部３１３から気密材を取り除いた係止部３１３ｃに、新設の上枠２１の室内側面を当接させるように取り付け、気密材取付部３１３を取り除かずに、残したままにする。 Further, the airtight material mounting portion 313 projects downward from the existing upper frame 31. Before attaching the door frame 2, the airtight material is removed from the airtight material mounting portion 313, and the airtight material is attached to the locking portion 313c so as to abut the indoor side surface of the newly installed upper frame 21, without removing the airtight material mounting portion 313. Leave it behind.

既設下枠３２では、既設下枠３２の段差部３２３の室外側面に、立ち上がり部２２２が沿うように固定する。段差部３２３は、既設ドア枠３の気密材取付部３１３と位置合わせがされて取り付けられているので、立ち上がり部２２２を段差部３２３に当接させるだけで、ドア枠２の上下の位置合わせを同時にできることとなる。また、立ち上がり部２２２を段差部３２３の室外側に配置すれば、立ち上がり部２２２の高さは、段差部３２３と概ね同様であるため、既設下枠３２側の開口縁１０２よりも大きく狭くならずに取り付けられる。既設下枠３２は、立ち上がり部２２２からモルタル１１７に向かってねじを締結することで固定される。 In the existing lower frame 32, the rising portion 222 is fixed to the outdoor surface of the stepped portion 323 of the existing lower frame 32 so as to be along the outdoor surface. Since the step portion 323 is mounted so as to be aligned with the airtight material mounting portion 313 of the existing door frame 3, the vertical alignment of the door frame 2 can be performed simply by bringing the rising portion 222 into contact with the step portion 323. You can do it at the same time. Further, if the rising portion 222 is arranged on the outdoor side of the stepped portion 323, the height of the rising portion 222 is almost the same as that of the stepped portion 323, so that the height is not larger and narrower than the opening edge 102 on the existing lower frame 32 side. Attached to. The existing lower frame 32 is fixed by fastening a screw from the rising portion 222 toward the mortar 117.

図３に示すように、左右の縦枠２３、２４では、既設縦枠取付ねじ３３１ａ、３４１ａが既設ドア枠３の見付方向に、既設縦枠取付ねじ３３２ｃ、３４２ｃが既設ドア枠３の見込方向に延びるように締結されており、互い軸が交差するとともに、軸先が近づく方向に延びている。左右の縦枠２３、２４を取り付けようとする際には、縦枠取付ねじ６２を取り付けることのできる空間が限定されている。そこで、縦枠取付ねじ６２を、左右の縦枠２３、２４から既設ドア枠３の室外部分３３２を貫通するように締結する。このとき、縦枠取付ねじ６２を、既設ドア枠３のみに固定し、隣接する柱部材１１２から室外側方向にずれるように、柱部材１１２に沿って配置する。縦枠取付ねじ６２の位置は、なるべく室内側寄り、柱部材１１２側寄りが好ましい。 As shown in FIG. 3, in the left and right vertical frames 23 and 24, the existing vertical frame mounting screws 331a and 341a are expected to be in the finding direction of the existing door frame 3, and the existing vertical frame mounting screws 332c and 342c are expected to be the existing door frame 3. They are fastened so as to extend in the direction, and the axes intersect with each other and extend in the direction in which the tip of the axis approaches. When trying to attach the left and right vertical frames 23 and 24, the space where the vertical frame mounting screws 62 can be attached is limited. Therefore, the vertical frame mounting screws 62 are fastened from the left and right vertical frames 23 and 24 so as to penetrate the outdoor portion 332 of the existing door frame 3. At this time, the vertical frame mounting screw 62 is fixed only to the existing door frame 3 and arranged along the pillar member 112 so as to be displaced from the adjacent pillar member 112 in the outdoor direction. The position of the vertical frame mounting screw 62 is preferably closer to the indoor side and closer to the pillar member 112 side as much as possible.

また、左右の縦枠２３、２４から気密材取付部３３３、３４３が見付方向内側に突出している。ドア枠２を取り付ける前に気密材取付部３３３、３４３から気密材を取り除いた係止部３３３ｃ、３４３ｃに新設の左右の縦枠２３、２４の室内側面を当接させるように取り付け、気密材取付部３３３、３４３を取り除かずに、残ったままにする。 Further, the airtight material mounting portions 333 and 343 project from the left and right vertical frames 23 and 24 inward in the finding direction. Before attaching the door frame 2, attach the airtight material to the locking portions 333c and 343c from which the airtight material is removed from the airtight material mounting portion 333c and 343c so that the indoor side surfaces of the newly installed vertical frames 23 and 24 are in contact with each other. Parts 333, 343 are not removed and are left behind.

本実施形態によれば、以下の効果が奏される。
本実施形態では、建物１００の開口１０１に設けられた既設ドア枠３と、既設ドア枠３の内周面を覆うように設けられたドア枠２と、を備える改装建具１を、ドア枠２が、既設ドア枠３のみに固定させた。
これにより、ドア枠２を取り付ける際、既設ドア枠３を梁部材１１１や柱部材１１２に取り付けている既設上枠取付ねじ３１１ａ、３１２ｃ、既設縦枠取付ねじ３３１ａ、３４１ａ、既設縦枠取付ねじ３３２ｃ、３４２ｃを避けなくても、上枠取付ねじ６１や縦枠取付ねじ６２を、梁部材１１１、柱部材１１２の室外側に締結することで、ドア枠２を既設ドア枠３の外側に容易に取り付けることができる。 According to this embodiment, the following effects are achieved.
In the present embodiment, the refurbished fitting 1 including the existing door frame 3 provided in the opening 101 of the building 100 and the door frame 2 provided so as to cover the inner peripheral surface of the existing door frame 3 is provided in the door frame 2. However, it was fixed only to the existing door frame 3.
As a result, when the door frame 2 is attached, the existing upper frame mounting screws 311a and 312c, the existing vertical frame mounting screws 331a and 341a, and the existing vertical frame mounting screws 332c that attach the existing door frame 3 to the beam member 111 and the pillar member 112. By fastening the upper frame mounting screw 61 and the vertical frame mounting screw 62 to the outdoor side of the beam member 111 and the pillar member 112, the door frame 2 can be easily attached to the outside of the existing door frame 3 without avoiding 342c. Can be attached.

また、本実施形態では、開口１０１を開閉するドア本体４をさらに含んで構成した。また、既設ドア枠３を、内周面の四周に沿って内側に突出するように設けられ、既設ドア枠３に取り付けられていたドア本体との隙間を塞ぐ気密材を取り付ける気密材取付部３１３を含んで構成した。また、ドア枠２を、気密材取付部３１３、３３３、３４３の見込方向外側に取り付けた。これにより、既設ドア枠３の気密材取付部３１３、３３３、３４３の見込方向外側にドア枠２を取り付ければよいので、ドア枠２を既設ドア枠３に取り付ける際に、気密材取付部３１３、３３３、３４３を取り除く追加的な加工を必要とせずに、ドア枠２を既設ドア枠３に容易に取り付けることができる。 Further, in the present embodiment, the door body 4 for opening and closing the opening 101 is further included. Further, the existing door frame 3 is provided so as to project inward along the four circumferences of the inner peripheral surface, and the airtight material mounting portion 313 for attaching the airtight material that closes the gap with the door body attached to the existing door frame 3. Was configured to include. Further, the door frame 2 was attached to the outside of the airtight material mounting portion 313, 333, 343 in the expected direction. As a result, the door frame 2 may be attached to the outside of the airtight material mounting portion 313, 333, 343 of the existing door frame 3 in the expected direction. Therefore, when the door frame 2 is attached to the existing door frame 3, the airtight material mounting portion 313, The door frame 2 can be easily attached to the existing door frame 3 without the need for additional processing to remove 333 and 343.

また、本実施形態では、ドア枠２を、気密材取付部３１３、３３３、３４３に当接して取り付けた。これにより、既設ドア枠３はすでに既設上枠３１、既設下枠３２、既設縦枠３３、３４の位置決めがなされているので、既設ドア枠３の気密材取付部３１３、３３３、３４３にドア枠２を当接させるだけで、ドア枠２の上枠２１、下枠２２、縦枠２３、２４の位置決めが自動的にでき、施工が容易になる。 Further, in the present embodiment, the door frame 2 is attached in contact with the airtight material attachment portion 313, 333, 343. As a result, the existing door frame 3 has already been positioned for the existing upper frame 31, the existing lower frame 32, and the existing vertical frames 33, 34. Therefore, the door frame is attached to the airtight material mounting portion 313, 333, 343 of the existing door frame 3. The upper frame 21, the lower frame 22, and the vertical frames 23, 24 of the door frame 2 can be automatically positioned just by bringing the door frame 2 into contact with each other, facilitating the construction.

また、本実施形態では、既設ドア枠３は、建物１００の躯体（梁部材１１１、柱部材１１２）の開口１０１側の見込面から室外側面を覆うように取り付けた。すなわち既設ドア枠３を、いわゆる半外納まりで取り付けた。これにより、既設ドア枠３の室内部分３１１、３３１、３４１から見付方向内側に気密材取付部３１３、３３３、３４３が突出していても、上枠２１及び左右の縦枠２３、２４をそれぞれ気密材取付部３１３、３３３、３４３の室外側に配置することができるので、気密材取付部３１３、３３３、３４３を取り除くための加工が必要なくなる。また、気密材取付部３１３、３３３、３４３により、ドア枠２の位置決めが容易になり、上記と同様の効果を奏する。また、半外納まりの既設ドア枠３にドア枠２を取り付けることで、開口１０１を広くとることができる。 Further, in the present embodiment, the existing door frame 3 is attached so as to cover the outdoor side surface from the prospective surface on the opening 101 side of the skeleton (beam member 111, pillar member 112) of the building 100. That is, the existing door frame 3 was attached in a so-called semi-outer fit. As a result, even if the airtight material mounting portions 313, 333, and 343 protrude inward from the indoor portions 311, 331, and 341 of the existing door frame 3, the upper frame 21 and the left and right vertical frames 23, 24 are airtight, respectively. Since it can be arranged on the outdoor side of the material mounting portion 313, 333, 343, processing for removing the airtight material mounting portion 313, 333, 343 becomes unnecessary. Further, the airtight material mounting portions 313, 333, and 343 facilitate the positioning of the door frame 2 and obtain the same effect as described above. Further, by attaching the door frame 2 to the existing door frame 3 that fits in the semi-outside, the opening 101 can be widened.

以上、本発明の好ましい実施形態について説明したが、本発明は、上述の実施形態に制限されるものではなく、適宜変更が可能である。 Although the preferred embodiment of the present invention has been described above, the present invention is not limited to the above-described embodiment and can be appropriately modified.

例えば、上記実施形態では、ドア枠２を半外納まりに取り付けた構造を例に説明したが、これに限られない。ドア枠２をいわゆる内付で取り付けて、上枠取付ねじ及び縦枠取付ねじが短く構成した場合も含む。すなわち、内付で、ねじが梁部材や柱部材に到達しないため、ねじが既設ドア枠３にのみ締結されている場合も本発明の範囲である。 For example, in the above embodiment, the structure in which the door frame 2 is attached to the semi-outer frame has been described as an example, but the present invention is not limited to this. This includes the case where the door frame 2 is attached internally so that the upper frame mounting screw and the vertical frame mounting screw are configured to be short. That is, it is also within the scope of the present invention that the screw is fastened only to the existing door frame 3 because the screw does not reach the beam member or the pillar member due to the internal attachment.

１ 改装建具
２ ドア枠（新設枠）
３ 既設ドア枠（既設枠）
４ ドア本体（戸体）
１００ 建物
１１１ 梁部材（躯体）
１１２ 柱部材（躯体）
３１３、３３３、３４３ 気密材取付部
1 Refurbished fittings 2 Door frame (new frame)
3 Existing door frame (existing frame)
4 Door body (door body)
100 Building 111 Beam member (framework)
112 Pillar member (framework)
313, 333, 343 Airtight material mounting part

Claims (3)

建物の開口に設けられた既設枠と、前記既設枠の内周面を覆うように設けられた新設枠と、前記開口を開閉する戸体と、前記既設枠の室内側に配置される内額縁と、を備える改装建具であって、
前記新設枠は、前記既設枠のみに固定され、
前記既設枠は、前記内周面の四周に沿って内側に突出するように設けられ、前記既設枠に取り付けられていた戸体との隙間を塞ぐ気密材を取り付ける気密材取付部を有し、
前記内額縁は、前記気密材取付部の室内側面を覆うように配置され、
前記新設枠は、前記気密材取付部の見込方向外側に取り付けられる、改装建具。 An existing frame provided at the opening of the building, a new frame provided so as to cover the inner peripheral surface of the existing frame , a door body for opening and closing the opening, and an inner frame arranged on the indoor side of the existing frame. It is a refurbished fitting equipped with
The new frame is fixed only to the existing frame ,
The existing frame is provided so as to project inward along the four circumferences of the inner peripheral surface, and has an airtight material mounting portion for attaching an airtight material that closes a gap with the door body attached to the existing frame.
The inner frame is arranged so as to cover the indoor side surface of the airtight material mounting portion.
The new frame is a refurbished fitting that is attached to the outside of the airtight material mounting portion in the expected direction . 前記新設枠は、前記気密材取付部に当接して取り付けられる、請求項１に記載の改装建具。 The refurbished fitting according to claim 1 , wherein the new frame is attached in contact with the airtight material mounting portion. 前記既設枠は、前記建物の躯体の前記開口側の見込面から室外側面を覆うように取り付けられる、請求項１又は２に記載の改装建具。 The refurbished fitting according to claim 1 or 2 , wherein the existing frame is attached so as to cover the outdoor surface from the prospective surface on the opening side of the building frame.
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JP2002285757A (en) 2001-03-27 2002-10-03 Ykk Architectural Products Inc Repairing method of fitting
JP2003328645A (en) 2002-03-08 2003-11-19 Nippon Alum Co Ltd Sliding door equipment for repair
JP2014101623A (en) 2012-11-16 2014-06-05 Ｙｋｋ Ａｐ株式会社 Fitment
JP2017089131A (en) 2015-11-04 2017-05-25 Ykk Ap株式会社 Installation structure of architrave member and installation method of architrave member
JP2017101471A (en) 2015-12-02 2017-06-08 Ykk Ap株式会社 Fitting for renovation

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JPS61229086A (en) * 1985-04-04 1986-10-13 トステム株式会社 Method for remodeling window

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2002285757A (en) 2001-03-27 2002-10-03 Ykk Architectural Products Inc Repairing method of fitting
JP2003328645A (en) 2002-03-08 2003-11-19 Nippon Alum Co Ltd Sliding door equipment for repair
JP2014101623A (en) 2012-11-16 2014-06-05 Ｙｋｋ Ａｐ株式会社 Fitment
JP2017089131A (en) 2015-11-04 2017-05-25 Ykk Ap株式会社 Installation structure of architrave member and installation method of architrave member
JP2017101471A (en) 2015-12-02 2017-06-08 Ykk Ap株式会社 Fitting for renovation

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