JP5805899B1 - Window frame and window - Google Patents

Window frame and window Download PDF

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JP5805899B1
JP5805899B1 JP2015036479A JP2015036479A JP5805899B1 JP 5805899 B1 JP5805899 B1 JP 5805899B1 JP 2015036479 A JP2015036479 A JP 2015036479A JP 2015036479 A JP2015036479 A JP 2015036479A JP 5805899 B1 JP5805899 B1 JP 5805899B1
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frame member
groove
sash
frame
window
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JP2016156246A (en
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克誠 川岸
克誠 川岸
幸明 横山
幸明 横山
金子 快郎
快郎 金子
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Daikin Industries Ltd
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Abstract

【課題】互いに平行に延びる1対の突条8,10を溝壁部とする嵌合凹溝12を有するサッシ5に対し窓枠15が、サッシ5の嵌合凹溝12に窓枠15の枠部材16が嵌合されて取り付けられるときに、ガタツキが生じないようにする。【解決手段】窓枠15は、矩形状に配置された4枚の板状の枠部材16からなり、各枠部材16の室外側端面に、枠部材16の室外側端部を厚さ方向に第1及び第2分割部17,18に分割するように有底状の切り込み溝23を形成し、第1分割部17は第2分割部18よりも厚さが薄くて、切り込み溝23の底部に対応する位置の基部17aを支点として枠部材16の厚さ方向に撓み変形可能な弾性片とする。サッシ5の嵌合凹溝12に枠部材16が嵌合されたときに、第1分割部17が基部17aを支点として撓み変形することにより、枠部材16が両8,10間に挟まれた状態で弾性保持されるようにする。【選択図】図6A window frame (15) is provided for a sash (5) having a fitting groove (12) having a pair of protrusions (8, 10) extending in parallel with each other as a groove wall portion, and the window frame (15) is fitted in the fitting groove (12) of the sash (5). When the frame member 16 is fitted and attached, no rattling occurs. A window frame 15 is composed of four plate-like frame members 16 arranged in a rectangular shape, and the outdoor end of each frame member 16 is arranged in the thickness direction on the outdoor end surface of each frame member 16. A bottomed cut groove 23 is formed so as to be divided into first and second divided portions 17, 18. The first divided portion 17 is thinner than the second divided portion 18, and the bottom of the cut groove 23 is formed. An elastic piece that can be bent and deformed in the thickness direction of the frame member 16 with the base portion 17a at the position corresponding to the fulcrum as a fulcrum. When the frame member 16 is fitted into the fitting concave groove 12 of the sash 5, the first divided portion 17 is bent and deformed with the base portion 17a as a fulcrum, so that the frame member 16 is sandwiched between the both 8 and 10. It should be elastically held in the state. [Selection] Figure 6

Description

本発明は、窓枠及び窓に関するものである。   The present invention relates to a window frame and a window.

一般に、建物の窓等の開口部に施工されるサッシ(建具枠)とその周囲の壁仕上げとの間の見切りのために、サッシの室内側に額縁と呼ばれる窓枠を取り付けることが行われている。この窓枠は、例えば細長い4枚の板材からなる枠部材を矩形状に配置したものである。   In general, a window frame called a frame is attached to the interior side of the sash for parting between the sash (joint frame) constructed in the opening of a window or the like of the building and the surrounding wall finish. Yes. In this window frame, for example, frame members made of, for example, four elongated plates are arranged in a rectangular shape.

このような窓枠(額縁)の取付構造として、従来、例えば特許文献1に示されるように、建物の開口部に施工されるサッシの室内側に断面コ字状のアングルを設け、そのアングル内の嵌合凹溝に窓枠の各枠部材(板材)を嵌合する構造が知られている。   As such a window frame (frame) mounting structure, as shown in Patent Document 1, for example, an angle with a U-shaped cross section is provided on the indoor side of a sash to be constructed in an opening of a building. There is known a structure in which each frame member (plate material) of a window frame is fitted into the fitting groove.

特許第4554717号公報Japanese Patent No. 4554717

ところで、上記特許文献1のものでは、サッシのアングルの一方に返し形状の係合部を設ける一方、窓枠(額縁)における各枠部材の厚さ方向の表面に係合凹溝を形成し、枠部材をアングルに嵌合したときに、サッシの係合部が枠部材の係合凹溝に係合して抜け止めされるようになっている。   By the way, in the thing of the said patent document 1, while providing the engagement part of a return shape in one of the angles of a sash, an engagement ditch | groove is formed in the surface of the thickness direction of each frame member in a window frame (frame), When the frame member is fitted to the angle, the engaging portion of the sash is engaged with the engaging groove of the frame member and is prevented from coming off.

しかし、その場合、サッシの係合部は枠部材の係合凹溝に係合するためにアングルから突出しており、その突出した係合部を枠部材において係合凹溝よりも室外側の表面に通過させる必要がある。そのため、アングル間の間隔を枠部材の厚さよりも若干小さくするようにしており、その寸法差により枠部材のサッシへの嵌合状態ではサッシと枠部材との間に隙間が形成されて、ガタツキが生じるのは避けられない。   However, in this case, the engaging portion of the sash protrudes from the angle in order to engage with the engaging groove of the frame member, and the protruding engaging portion is on the surface on the outdoor side of the engaging groove in the frame member. Need to pass through. For this reason, the interval between the angles is set slightly smaller than the thickness of the frame member, and due to the difference in dimensions, a gap is formed between the sash and the frame member when the frame member is fitted to the sash. It is inevitable that this occurs.

本発明は斯かる点に鑑みてなされたものであり、その目的は、窓枠(額縁)の構造に改良を加えることにより、窓枠の枠部材がサッシの嵌合凹溝に嵌合されたときにガタツキが生じないようにして、窓枠をサッシに安定して保持できるようにすることにある。   The present invention has been made in view of such points, and the object thereof is to improve the structure of the window frame (frame) so that the frame member of the window frame is fitted into the fitting groove of the sash. In some cases, the window frame can be stably held in the sash so that no rattling occurs.

上記の目的を達成するために、この発明では、窓枠の枠部材の端部を厚さ方向に2分割して、その一方を撓み変形可能とし、その撓み変形を利用して枠部材をサッシの嵌合凹溝内に圧接状態で嵌合するようにした。   In order to achieve the above object, according to the present invention, the end portion of the frame member of the window frame is divided into two in the thickness direction, one of which can be bent and deformed, and the frame member is sashed using the bending deformation. It was made to fit in the press-fit state in the fitting concave groove.

具体的には、第1の発明は、建物の開口部に施工され、互いに平行に延びる1対の突条を溝壁部として室内側に開口する嵌合凹溝が形成された金属製のサッシ本体を有するサッシに対し、上記嵌合凹溝に嵌合されて取り付けられる窓枠であって、この窓枠は、矩形状に配置された4枚の板状の枠部材からなり、各枠部材の室外側端面には、枠部材の室外側端部を厚さ方向に第1及び第2分割部に分割するように有底状の切り込み溝が形成され、上記第1分割部は第2分割部よりも厚さが薄くて、切り込み溝の底部に対応する位置の基部を支点として枠部材の厚さ方向に撓み変形可能とされ、サッシ本体の嵌合凹溝に枠部材が嵌合されたときに、第1分割部が基部を支点として撓み変形することにより、枠部材が突条間に挟まれた状態で弾性保持されるように構成され、サッシ本体の1対の突条のうち、枠部材が嵌合凹溝に嵌合されたときに該枠部材の第1分割部側に位置する突条には、該第1分割部を他方の突条に向かう方向に押して、撓み変形させる係合部が設けられており、切り込み溝の底部は、枠部材が嵌合凹溝に嵌合された状態で、係合部が第1分割部に係合する位置よりも室内方向に深い位置に設けられていることを特徴とする。 Specifically, according to the first aspect of the present invention, a metal sash is formed in the opening of a building, and is formed with a fitting groove that opens to the indoor side with a pair of protrusions extending in parallel as groove walls. A window frame that is fitted and attached to the sash having the main body in the fitting groove, the window frame comprising four plate-like frame members arranged in a rectangular shape, and each frame member A bottomed cut groove is formed on the outdoor end surface of the frame member so as to divide the outdoor end of the frame member into first and second divided portions in the thickness direction, and the first divided portion is divided into second divided portions. The thickness of the sash body is thinner, and it is possible to bend and deform in the thickness direction of the frame member with the base at the position corresponding to the bottom of the cut groove as a fulcrum, and the frame member is fitted into the fitting groove of the sash body Sometimes, the first divided part is bent and deformed with the base as a fulcrum, so that the frame member is held elastically in a state sandwiched between the protrusions. Is configured to be, among the pair of sash body ridges, the ridges located in the first division portion of the frame member when the frame member is fitted into the fitting groove, the An engaging portion is provided to bend and deform by pushing the first divided portion in the direction toward the other protrusion, and the bottom of the cut groove is engaged in a state where the frame member is fitted in the fitting groove. The portion is provided at a position deeper in the indoor direction than a position where the portion engages with the first divided portion .

この第1の発明では、窓枠における各枠部材の室外側端部に、その室外側端面の切り込み溝により第1及び第2分割部が形成され、第1分割部は第2分割部よりも厚さが薄くて基部を支点として撓み変形可能であるので、枠部材の室外側端部をサッシ本体の嵌合凹溝に嵌合したとき、その枠部材の端部がサッシ本体の突条(嵌合凹溝の溝壁部)により押されることで、第1分割部が基部を支点として撓み変形し、この変形により枠部材の端部の厚さが本来の厚さよりも見掛け上小さくなり、その状態で枠部材の端部が嵌合凹溝内に差し込まれて嵌合される。この嵌合状態では、第1分割部の撓み変形が戻ろうとする復元力によって枠部材の端部における第1及び第2分割部側の面がそれぞれサッシ本体の突条(嵌合凹溝の溝壁部)に圧接し、枠部材の端部が両突条間に挟まれた状態で弾性保持される。こうして枠部材が突条間に挟まれた状態で弾性保持されることにより、枠部材と嵌合凹溝の溝壁部との間に隙間が生じず、窓枠をサッシにガタツクことなく安定して保持することができる。 In this 1st invention, the 1st and 2nd division part is formed in the outdoor side end part of each frame member in a window frame by the notch groove of the outdoor side end face, and the 1st division part is more than the 2nd division part Since the thickness is thin and can be bent and deformed with the base as a fulcrum, when the outdoor end of the frame member is fitted into the fitting groove of the sash body , the end of the frame member is the ridge of the sash body ( The first divided portion is bent and deformed with the base as a fulcrum, and the thickness of the end portion of the frame member is apparently smaller than the original thickness. In this state, the end of the frame member is inserted into the fitting groove and fitted. In this fitted state, the grooves of the ridges (fitting groove of the first and second divided portion side surface, each sash body at the ends of the frame member by the restoring force bending deformation of the first divided portion attempts to return And is elastically held in a state where the end of the frame member is sandwiched between both protrusions. In this way, the frame member is elastically held while being sandwiched between the protrusions, so that no gap is generated between the frame member and the groove wall portion of the fitting groove, and the window frame is stabilized without rattling. Can be held.

第2の発明は、第1の発明において、切り込み溝の深さは、サッシ本体の嵌合凹溝に枠部材が嵌合されたときの該枠部材の第1分割部側の突条の突出高さりも大きいことを特徴とする。 According to a second invention, in the first invention, the depth of the cut groove is determined by the protrusion of the protrusion on the first divided portion side of the frame member when the frame member is fitted into the fitting groove of the sash body. characterized in that also Ri by height large.

この第2の発明では、切り込み溝の深さが枠部材の第1分割部側の突条の突出高さよりも大きいので、枠部材の室外側端部がサッシ本体の嵌合凹溝に嵌合されたとき、枠部材は、切り込み溝の底部の位置つまり第1分割部の基部に対し、その室外側部分がサッシ本体の嵌合凹溝に嵌合されることとなる。すなわち、逆に、切り込み溝の深さが枠部材の第1分割部側の突条の突出高さよりも小さい場合には、枠部材の室外側端部をサッシ本体の嵌合凹溝へ嵌合する際、その初期に第1分割部が撓むだけで、嵌合が進んでもそれ以上は第1分割部が撓まないようになるが、この発明では、そのようなことが生じず、枠部材のサッシ本体の嵌合凹溝への嵌合をスムーズに行うことができる。 In the second aspect of the invention, the depth of the cut groove is larger than the protruding height of the protrusion on the first divided portion side of the frame member, so that the outdoor end of the frame member is fitted in the fitting groove of the sash body. When combined, the frame member is fitted to the fitting groove of the sash body with respect to the position of the bottom of the cut groove, that is, the base of the first divided portion. That is, conversely, when the depth of the cut groove is smaller than the protruding height of the protrusion on the first divided portion side of the frame member, the outdoor end of the frame member is fitted into the fitting concave groove of the sash body. In this case, only the first divided portion is bent at the initial stage, and the first divided portion does not bend any more even if the fitting progresses. The member can be smoothly fitted into the fitting groove of the sash body .

第3の発明は、第1又は第2の発明において、部材の第1分割部側の面には枠部材とサッシ本体の嵌合凹溝との嵌合状態で上記サッシ本体の係合部に係合する被係合部が形成されていることを特徴とする。 The third invention is the first or second invention, the surface of the first divided portion of the frame member, the engagement of the sash body in a fitted state of the fitting groove of the frame member and the sash body An engaged portion that engages with the portion is formed.

この第3の発明では、枠部材の室外側端部がサッシ本体の嵌合凹溝へ嵌合された状態では、サッシ本体の一方の突条の係合部が枠部材の被係合部に係合しているので、枠部材が嵌合凹溝から抜け出そうとしてもそれは係合部と被係合部との係合により抑制され、このことによって枠部材とサッシとの嵌合状態が安定して保持される。 In the third invention, in the state in which the outdoor-side end portion of the frame member is fitted into the fitting groove of the sash body, the engaged portion of one of the protrusions of the engagement portion is a frame member of the sash body Since the frame member is engaged, even if the frame member tries to come out of the fitting groove, it is suppressed by the engagement between the engaging portion and the engaged portion, and thereby the fitting state between the frame member and the sash is stable. Held.

第4の発明は、第3の発明において、サッシ本体の係合部は、突条の一部が相対する突条に向かうように突出する突起部であり、被係合部は、枠部材の第1分割部側の面に形成された凹溝部で、該凹溝部にサッシ本体の突起部が係合するように構成されていることを特徴とする。 In a fourth aspect based on the third aspect, the engaging portion of the sash body is a protruding portion that protrudes so that a part of the protruding portion faces the opposing protruding portion, and the engaged portion is a frame member. The groove portion is formed on the surface of the first divided portion side, and the protrusion portion of the sash body is engaged with the groove portion.

この第4の発明では、枠部材の室外側端部がサッシ本体の嵌合凹溝へ嵌合された状態では、突条の突起部が枠部材の凹溝部に係合する。この場合も第3の発明と同様の作用効果が得られる。 In this 4th invention, in the state which the outdoor side edge part of the frame member was fitted by the fitting groove of the sash body , the protrusion part of a protrusion engages with the groove part of a frame member. In this case, the same effect as that of the third invention can be obtained.

第5の発明は、第4の発明において、被係合部は、枠部材の室外側と室内側とを結ぶ方向に沿って並んで形成された複数の凹溝部であり、上記凹溝部の1つにサッシ本体の突起部が係合するように構成されていることを特徴とする。 In a fifth aspect based on the fourth aspect, the engaged portion is a plurality of concave grooves formed side by side along a direction connecting the outdoor side and the indoor side of the frame member. One feature is that the protrusions of the sash body engage with each other.

この第5の発明では、枠部材の第1分割部側の面に複数の凹溝部が並んで形成され、枠部材の室外側端部がサッシ本体の嵌合凹溝へ嵌合された状態では、この凹溝部の1つにサッシ本体の突条の突起部が係合する。この突起部が係合する凹溝部の位置を変えることにより、枠部材がサッシ本体の嵌合凹溝内に嵌合されるときの嵌合位置を変更することができる。 In the fifth aspect of the invention, in the state in which a plurality of concave grooves are formed side by side on the surface of the frame member on the first division portion side, and the outdoor end of the frame member is fitted into the fitting concave groove of the sash body. The protrusion of the sash body is engaged with one of the grooves. By changing the position of the concave groove portion with which the protrusion is engaged, the fitting position when the frame member is fitted into the fitting concave groove of the sash body can be changed.

第6の発明は、第1〜第5の発明のいずれか1つにおいて、枠部材の第2分割部側の表面に、サッシ本体の他方の突条を収容する切欠き段部が、該切欠き段部に収容された突条と切欠き段部以外の表面とを面一にするように形成されていることを特徴とする。 According to a sixth invention, in any one of the first to fifth inventions, a notch step portion that accommodates the other protrusion of the sash body is provided on the surface of the frame member on the second divided portion side. It is formed so that the protrusion accommodated in the notch step and the surface other than the notch step may be flush with each other.

この第6の発明では、枠部材の第2分割部側の面に切欠き段部が形成され、この切欠き段部にサッシ本体の突条が収容されたときに、その突条と切欠き段部以外の第2分割部側の表面とが面一になるので、外観上の見映えをよくすることができる。 In the sixth aspect of the invention, when the notch step is formed on the surface of the frame member on the second divided portion side, and the protrusion of the sash body is accommodated in the notch step, the protrusion and the notch Since the surface on the second divided portion side other than the stepped portion is flush, the appearance on the appearance can be improved.

第7の発明は窓に係り、この窓は第1〜第6の発明のいずれか1つの窓枠がサッシに取り付けられたことを特徴とする。   A seventh invention relates to a window, and this window is characterized in that any one of the window frames of the first to sixth inventions is attached to a sash.

この第7の発明では、窓枠の枠部材がサッシの突条間に挟まれた状態で弾性保持され、枠部材と嵌合凹溝の両溝壁部との間に隙間が生じず、窓枠がサッシにガタツクことなく安定して保持された窓が得られる。   In the seventh invention, the frame member of the window frame is elastically held in a state of being sandwiched between the sash protrusions, and no gap is generated between the frame member and both groove wall portions of the fitting groove, A window in which the frame is stably held without rattling is obtained.

以上説明したように、本発明によると、建物の開口部に施工されるサッシに、その突条を溝壁部とする嵌合凹溝に嵌合されて取り付けられる窓枠において、その各枠部材の室外側端面に切り込み溝を形成して、枠部材の室外側端部を厚さ方向に2分割し、厚さの薄い分割部を切り込み溝の底部に対応する位置の基部を支点として枠部材の厚さ方向に撓み変形可能とし、サッシの嵌合凹溝に枠部材が嵌合されたときに、厚さの薄い分割部を撓み変形させて、枠部材をサッシの突条間に挟まれた状態で弾性保持するようにしたことにより、枠部材と嵌合凹溝の両溝壁部との間に隙間が生じず、窓枠をサッシにガタツクことなく安定して保持することができる。   As described above, according to the present invention, each frame member in a window frame that is attached to a sash constructed in an opening of a building by being fitted into a fitting concave groove having the ridge as a groove wall portion. A notch groove is formed in the outdoor end surface of the frame member, the outdoor end portion of the frame member is divided into two in the thickness direction, and the thin divided portion is used as a fulcrum at the base corresponding to the bottom of the cut groove. When the frame member is fitted in the fitting groove of the sash, the thin divided portion is bent and deformed so that the frame member is sandwiched between the sash protrusions. By elastically holding in this state, there is no gap between the frame member and both groove wall portions of the fitting groove, and the window frame can be stably held without rattling.

図1は、本発明の実施形態1に係る窓の要部を示す水平断面図である。FIG. 1 is a horizontal sectional view showing a main part of a window according to Embodiment 1 of the present invention. 図2は、実施形態1に係る枠部材の全体構成を示す断面図である。FIG. 2 is a cross-sectional view illustrating the overall configuration of the frame member according to the first embodiment. 図3は、枠部材の室外側端部を拡大して示す断面図である。FIG. 3 is an enlarged cross-sectional view of the outdoor end of the frame member. 図4は、窓に取り付けられた窓枠の全体を室内側から見て遠近法で示す図である。FIG. 4 is a perspective view of the entire window frame attached to the window as seen from the indoor side. 図5は、窓枠がサッシの嵌合凹溝に嵌合された状態を窓枠の角部にて示す斜視図である。FIG. 5 is a perspective view showing a state in which the window frame is fitted in the fitting concave groove of the sash at the corners of the window frame. 図6は、枠部材がサッシの嵌合凹溝に嵌合される状態を示す断面図である。FIG. 6 is a cross-sectional view showing a state in which the frame member is fitted into the fitting concave groove of the sash. 図7は、実施形態2を示す図3相当図である。FIG. 7 is a view corresponding to FIG. 図8は、実施形態3を示す図3相当図である。FIG. 8 is a view corresponding to FIG.

以下、本発明の実施形態を図面に基づいて詳細に説明する。以下の実施形態の説明は、本質的に例示に過ぎず、本発明、その適用物或いはその用途を制限することを意図するものでは全くない。   Hereinafter, embodiments of the present invention will be described in detail with reference to the drawings. The following description of the embodiments is merely illustrative in nature and is not intended to limit the present invention, its application, or its use at all.

(実施形態1)
図1は本発明の実施形態1に係る窓の要部を示し、この窓は建物の開口部を構成していて、左右1対の柱1,1(一方のみ図示する)と図外の上下の窓まぐさ及び窓台とで囲ま
れた部分に区画されている。尚、図1には窓の全体を示していないが、この図1は窓を上下中間部にて水平面に沿って切断した状態として示しており、図1の左側が窓の開口の中央側、上側が室外側、下側が室内側である。
(Embodiment 1)
FIG. 1 shows the main part of a window according to Embodiment 1 of the present invention. This window constitutes an opening of a building, and a pair of left and right columns 1 and 1 (only one is shown) and upper and lower parts not shown. It is divided into the part enclosed by the window lintel and the window stand. Although FIG. 1 does not show the entire window, this FIG. 1 shows the window as being cut along the horizontal plane at the upper and lower intermediate portions, and the left side of FIG. 1 is the center side of the window opening, The upper side is the outdoor side, and the lower side is the indoor side.

窓の周縁部には建具枠としてのサッシ5が施工されている。このサッシ5は、例えばアルミニウムの押出材を窓の開口形状に合わせて矩形状に組み合わせてなり(図4及び図5参照)、窓の周縁部の上記柱1,1、窓まぐさ及び窓台に取付固定されて施工されている。図1中、2は柱1とサッシ5との間に充填された飼い木である。   A sash 5 as a joinery frame is constructed on the peripheral edge of the window. This sash 5 is formed by, for example, combining aluminum extruded materials in a rectangular shape in accordance with the opening shape of the window (see FIGS. 4 and 5), and the pillars 1 and 1, window lintel and window stand at the peripheral edge of the window. It is installed and fixed to. In FIG. 1, reference numeral 2 denotes a manger filled between the pillar 1 and the sash 5.

図5にも示すように、上記サッシ5は、窓の周縁部に固定されるサッシ本体6を備え、このサッシ本体6は、その一部に窓の開口面に沿う方向(図1では左右方向)に延びる平面部6aを有し、この平面部6a裏側の室内側面には、窓の開口の外周側(図1では右側)に位置する外周側突条8と、内周側(図1では左側)に位置する内周側突条10とがそれぞれ室内側に向かって突設され、これら1対の突条8,10は窓の周縁に沿って互いに平行に延びるように配置されている。外周側突条8は内周側突条10よりも薄肉であり、そのサッシ本体6の平面部6a裏面からの突出高さhは内周側突条10よりも低くなっており、サッシ5には、これらの突条8,10を溝壁部としかつサッシ本体6の平面部6aを溝底部として室内側に開口する嵌合凹溝12が形成されている。   As shown in FIG. 5, the sash 5 includes a sash body 6 that is fixed to the peripheral edge of the window, and the sash body 6 has a part of the sash body 6 along the opening surface of the window (the horizontal direction in FIG. 1). ), And an outer peripheral ridge 8 positioned on the outer peripheral side (right side in FIG. 1) of the window opening and the inner peripheral side (in FIG. 1) The inner peripheral ridges 10 located on the left side are projected toward the indoor side, and the pair of ridges 8 and 10 are arranged so as to extend parallel to each other along the peripheral edge of the window. The outer peripheral ridge 8 is thinner than the inner peripheral ridge 10, and the protruding height h from the back surface of the flat portion 6 a of the sash body 6 is lower than the inner peripheral ridge 10. The protrusions 8 and 10 are used as groove walls, and a flat groove 6a of the sash body 6 is used as a groove bottom to form a fitting groove 12 that opens to the indoor side.

上記サッシ5の嵌合凹溝12の溝壁部を構成する外周側及び内周側突条8,10のうち、外周側突条8の内周側突条10との対向側には係合部としての突起部9が設けられている。この突起部9は、外周側突条8の先端部近傍を部分的に断面略く字状又は断面L字状に折り曲げた形状に形成されたもので、内周側突条10に向かうように外周側突条8の他の部分よりも突出しており、この突起部9と内周側突条10との間の距離sは、後述する枠部材16における切欠き段部20の底面20aと裏面16bとの間の厚さt(図3参照)よりも所定寸法だけ小さくなっている。   Of the outer and inner peripheral ridges 8 and 10 constituting the groove wall portion of the fitting groove 12 of the sash 5, the outer peripheral ridge 8 is engaged with the opposite side of the inner peripheral ridge 10. A protruding portion 9 is provided as a portion. The protrusion 9 is formed in a shape in which the vicinity of the tip of the outer peripheral ridge 8 is partially bent into a substantially cross-sectional shape or an L-shaped cross section, and is directed toward the inner peripheral ridge 10. The distance s between the protruding portion 9 and the inner peripheral ridge 10 protrudes from the other portion of the outer peripheral ridge 8, and the bottom surface 20a and the rear surface of the notch step portion 20 in the frame member 16, which will be described later. It is smaller than the thickness t between 16b by a predetermined dimension (see FIG. 3).

図4及び図5にも示すように、上記サッシ5の嵌合凹溝12には、本発明の実施形態1に係る窓枠15が嵌合されて取り付けられている。この窓枠15は額縁とも呼ばれるもので、4枚の細長い板状の枠部材16,16,…(図1では1枚のみ示している)からなり、それら枠部材16,16,…はそれぞれ幅方向の一端部が上記サッシ5の嵌合凹溝12に嵌合されて枠状に組み立てられることによって、鉛直上下方向に延びる1対の竪枠と、水平方向に延びる上枠及び下枠とを構成している。図4は窓枠15の全体を室内側から見て遠近法(一点透視図法)で示したものであり、図中の左右両側に配置される枠部材16,16により竪枠が、また上側に配置される枠部材16により上枠が、さらに下側に配置される枠部材16により下枠がそれぞれ構成されている。また、図1では、一方の竪枠のみが示されている。   As shown in FIGS. 4 and 5, the window frame 15 according to the first embodiment of the present invention is fitted and attached to the fitting groove 12 of the sash 5. The window frame 15 is also called a picture frame, and is composed of four elongated plate-like frame members 16, 16,... (Only one is shown in FIG. 1), and each of the frame members 16, 16,. One end portion in the direction is fitted into the fitting concave groove 12 of the sash 5 and assembled into a frame shape, so that a pair of vertical frames extending in the vertical vertical direction and an upper frame and a lower frame extending in the horizontal direction are provided. It is composed. FIG. 4 shows the entire window frame 15 as viewed from the indoor side in perspective (one-point perspective). The frame members 16, 16 arranged on the left and right sides in the figure cause the frame frame to move upward. The upper frame is constituted by the arranged frame member 16, and the lower frame is constituted by the frame member 16 arranged further on the lower side. Moreover, in FIG. 1, only one hook frame is shown.

上記4枚の枠部材16,16,…は、基本的に、長さが異なるだけで幅及び厚さが同じ板材であり、その幅は例えば104.6mmであり、厚さは例えば19.6mmである。これらの枠部材16,16,…は、いずれも幅方向の一端部が室外側を向き、厚さ方向の一方の面である表面16aが窓の内周側(中央側)を、また他方の面である裏面16bが窓の外周側(中央と反対側)をそれぞれ向くように配置されている。各枠部材16は、例えばMDF、合板、LVL、LVS、パーティクルボード等の木質材料等からなる。   The four frame members 16, 16,... Are basically plate members having the same width and thickness but having different lengths. The width is, for example, 104.6 mm, and the thickness is, for example, 19.6 mm. It is. Each of these frame members 16, 16,... Has one end in the width direction facing the outdoor side, the surface 16a, which is one surface in the thickness direction, the inner peripheral side (center side) of the window, and the other side. It arrange | positions so that the back surface 16b which is a surface may face the outer peripheral side (opposite side of a center) of a window, respectively. Each frame member 16 is made of, for example, a woody material such as MDF, plywood, LVL, LVS, or particle board.

図2及び図3に示すように、各枠部材16において窓の内周側に位置する表面16a(図2では上側面)には、その室外側端部の隅角部を矩形状に切り欠いてなる切欠き段部20が枠部材16の長さ方向(図2及び図3で図の面と直交する方向)の全体に亘って延びるように形成され、この切欠き段部20は枠部材16の表面16aと平行な底面20aを有している。切欠き段部20は、その枠部材16の幅方向に沿った方向の寸法(枠部材1
6の室外側端面の位置から切欠き段部20の側面までの寸法)が上記サッシ5の内周側突条10の突出高さよりも少し短く、枠部材16の厚さ方向に沿った方向の深さ(枠部材16の表面16aの位置から切欠き段部20の底面20aまでの寸法)が内周側突条10と略同じに形成されており、図1に示すように、枠部材16がサッシ5の嵌合凹溝12に嵌合されたときに切欠き段部20に内周側突条10が収容され、その収容状態では内周側突条10と切欠き段部20以外の枠部材16の表面16aとが面一になるように構成されている。
As shown in FIGS. 2 and 3, the corner 16 of the outdoor end is cut out in a rectangular shape on the surface 16 a (upper side in FIG. 2) located on the inner peripheral side of the window in each frame member 16. The notch step portion 20 is formed so as to extend over the entire length direction of the frame member 16 (the direction perpendicular to the plane of the drawing in FIGS. 2 and 3), and the notch step portion 20 is a frame member. 16 has a bottom surface 20a parallel to the surface 16a. The notch step 20 has a dimension in the direction along the width direction of the frame member 16 (frame member 1).
6 is a little shorter than the protruding height of the inner peripheral ridge 10 of the sash 5 in the direction along the thickness direction of the frame member 16. The depth (the dimension from the position of the surface 16a of the frame member 16 to the bottom surface 20a of the notch step portion 20) is formed to be substantially the same as that of the inner peripheral ridge 10, and as shown in FIG. Is fitted in the fitting groove 12 of the sash 5, the inner circumferential ridge 10 is accommodated in the notch step portion 20, and in the accommodated state, other than the inner circumferential ridge 10 and the notch step portion 20. The surface 16a of the frame member 16 is configured to be flush with the surface 16a.

さらに、各枠部材16の室外側端面には、その裏面16b近傍の位置に表裏面16a,16bと平行に延びる有底状の切り込み溝23が枠部材16の長さ方向の全体に亘って形成されている。この切り込み溝23は、枠部材16の室外側端面において表面16aから所定の寸法(例えば14.85mm)だけ離れた部分を鋸等により表裏面16a,16bに沿って切り込むことによって形成されるスリット状の有底溝で、その溝幅は例えば1.5mm、深さdは12.85mmとされている。この切り込み溝23の深さdは、上記サッシ5の外周側突条8(サッシ5の嵌合凹溝12に枠部材16が嵌合されたときの枠部材16の第1分割部17側の突条)の突出高さhと同じかそれよりも大きいことが望ましい(d≧h)。   Further, a bottomed cut groove 23 extending in parallel with the front and back surfaces 16 a and 16 b is formed on the outdoor end face of each frame member 16 in the vicinity of the back surface 16 b over the entire length direction of the frame member 16. Has been. The cut groove 23 is formed in a slit shape formed by cutting along the front and back surfaces 16a and 16b with a saw or the like at a predetermined distance (for example, 14.85 mm) from the front surface 16a on the outdoor end surface of the frame member 16. The groove width is, for example, 1.5 mm and the depth d is 12.85 mm. The depth d of the cut groove 23 is determined by the outer peripheral ridge 8 of the sash 5 (on the first divided portion 17 side of the frame member 16 when the frame member 16 is fitted in the fitting concave groove 12 of the sash 5). The protrusion height h is preferably equal to or greater than the protrusion height h (d ≧ h).

そして、この切り込み溝23により、枠部材16の室外側端部が厚さ方向に裏側の第1分割部17と表側の第2分割部18とに2分割され、第1分割部17は切り込み溝23と枠部材16の裏面16aとの間に、また第2分割部18は切り込み溝23と上記切欠き段部20との間にそれぞれ形成されている。また、切り込み溝23が枠部材16の室外側端面で裏側にずれた位置に形成されることによって、第1分割部17の厚さt1は例えば4mmで第2分割部18の厚さt2(例えば14.1mm)よりも薄く、この薄さにより、第1分割部17は弾性片となり、切り込み溝23の底部に対応する位置の基部17aを支点として枠部材16の厚さ方向に撓み変形可能とされている。   The cut-out groove 23 divides the outdoor end of the frame member 16 into a first divided portion 17 on the back side and a second divided portion 18 on the front side in the thickness direction, and the first divided portion 17 is cut into the cut groove. 23 and the back surface 16a of the frame member 16, and the second divided portion 18 is formed between the cut groove 23 and the notch step portion 20, respectively. Further, since the cut groove 23 is formed at a position shifted to the back side on the outdoor side end face of the frame member 16, the thickness t1 of the first divided portion 17 is 4 mm, for example, and the thickness t2 of the second divided portion 18 (for example, 14.1 mm), and this thinness makes the first divided portion 17 an elastic piece that can be bent and deformed in the thickness direction of the frame member 16 with the base portion 17a at a position corresponding to the bottom of the cut groove 23 as a fulcrum. Has been.

また、図6に示すように、サッシ5の嵌合凹溝12に各枠部材16が嵌合されたときに、枠部材16の第1分割部17が基部17aを支点として先端部を表側に向かって移動させる(切り込み溝23の開口側を狭くする)ように撓み変形し、このことにより、枠部材16が嵌合凹溝12の両溝壁部である突条8,10間に挟まれた状態で弾性保持されるようになっている。   Further, as shown in FIG. 6, when each frame member 16 is fitted into the fitting groove 12 of the sash 5, the first divided portion 17 of the frame member 16 has the base portion 17a as a fulcrum and the tip portion on the front side. The frame member 16 is sandwiched between the ridges 8 and 10 which are both groove wall portions of the fitting concave groove 12 by being bent and deformed so as to be moved toward (to narrow the opening side of the cut groove 23). It is designed to be elastically held in the state where it is in contact.

尚、図2に示すように、各枠部材16には表面化粧層19が、室外側端面の切り込み溝23から表面16aないし室内側端面を経て裏面16bの室内寄り側部分に至るまでの範囲に亘り一体に形成されている。   As shown in FIG. 2, each frame member 16 has a surface decorative layer 19 in a range from the cut groove 23 on the outdoor end surface to the interior side portion of the back surface 16b through the surface 16a or the indoor end surface. It is integrally formed across.

したがって、上記実施形態においては、窓にサッシ5が施工されるとともに、そのサッシ5の嵌合凹溝12に4枚の枠部材16,16,…の各々の室外側端部が表面16aを窓の内周側に、また裏面16bを窓の外周側にそれぞれ配置した状態で差し込まれて嵌合され、このことで、図4及び図5に示すように、4枚の枠部材16,16,…からなる窓枠15がサッシ5に取り付けられる。窓枠15は、サッシ5に対しては差し込まれるだけで固定されているが、周囲の壁の木下地に対し木ネジ等で固定されている。尚、4枚の枠部材16,16,…は、枠状に組まれて窓枠15となった後に互いにビス止め等により固定される。   Therefore, in the said embodiment, while the sash 5 is constructed in a window, the outdoor side edge part of each of the four frame members 16, 16, ... is the window 16 in the fitting concave groove 12 of the sash 5. Are inserted and fitted in a state in which the back surface 16b is disposed on the outer peripheral side of the window, so that, as shown in FIGS. 4 and 5, the four frame members 16, 16, A window frame 15 is attached to the sash 5. The window frame 15 is fixed only by being inserted into the sash 5, but is fixed to the wooden base of the surrounding wall with a wood screw or the like. The four frame members 16, 16,... Are assembled into a frame shape to become the window frame 15, and are fixed to each other by screwing or the like.

そして、各枠部材16の室外側端部に、その室外側端面の切り込み溝23により第1及び第2分割部17,18が形成され、第1分割部17の厚さt1は第2分割部18の厚さt2よりも薄くて、第1分割部17は、切り込み溝23の底部に対応する基部17aを支点として撓み変形可能な弾性片となっているので、図6(a)に示すように、枠部材16
の室外側端部をサッシ5の嵌合凹溝12に嵌合する際、図6(b)に示すように、その枠部材16の室外側端部が嵌合凹溝12の溝壁部である外周側突条8の突起部9により押されることで、第1分割部17が基部17aを支点として図6で反時計回り方向に向かって撓み変形し、その先端部が表側に向かって切り込み溝23の開口側は狭くなる。この変形により枠部材16の室外側端部の厚さが本来の厚さtよりも見掛け上小さくなり、その状態で枠部材16の室外側端部が突条8,10間の嵌合凹溝12内に差し込まれて嵌合される。この嵌合状態では、例えば、差し込まれた枠部材16の室外側端面が嵌合凹溝12の内底面から少し離れ、切欠き段部20の室内側の側面がサッシ5の内周側突条10の先端面に当接する。また同時に、第1分割部17の撓み変形が戻ろうとする復元力によって枠部材16の室外側端部における表裏面16a,16b(具体的には切欠き段部20の底面20aと裏面16b)がそれぞれサッシ5の嵌合凹溝12の溝壁部である突条8,10に圧接し、この枠部材16の室外側端部が両突条8,10間に挟まれた状態で弾性保持される。こうして枠部材16が両突条8,10間に挟まれた状態で弾性保持されることにより、枠部材16と嵌合凹溝12の両溝壁部(突条8,11)との間に隙間が生じず、窓枠15をサッシ5にガタツクことなく安定して保持することができる。
And the 1st and 2nd division parts 17 and 18 are formed in the outdoor side edge part of each frame member 16 by the notch groove 23 of the outdoor side end face, and thickness t1 of the 1st division part 17 is the 2nd division part As shown in FIG. 6 (a), the first divided portion 17 is an elastic piece that can be bent and deformed with the base portion 17a corresponding to the bottom of the cut groove 23 as a fulcrum. In addition, the frame member 16
When the outside end of the frame member 16 is fitted into the fitting groove 12 of the sash 5, the outside edge of the frame member 16 is the groove wall portion of the fitting groove 12 as shown in FIG. By being pushed by the projection 9 of the outer peripheral ridge 8, the first divided portion 17 is bent and deformed counterclockwise in FIG. 6 with the base portion 17a as a fulcrum, and the tip portion is cut toward the front side. The opening side of the groove 23 becomes narrow. Due to this deformation, the thickness of the outdoor end of the frame member 16 is apparently smaller than the original thickness t, and in this state, the outdoor end of the frame member 16 has a fitting groove between the protrusions 8 and 10. 12 is inserted and fitted. In this fitted state, for example, the outdoor side end surface of the inserted frame member 16 is slightly separated from the inner bottom surface of the fitting concave groove 12, and the indoor side surface of the notch step portion 20 is the inner peripheral ridge of the sash 5. 10 is in contact with the tip surface. At the same time, the front and back surfaces 16a and 16b (specifically, the bottom surface 20a and the back surface 16b of the notch step portion 20) at the outdoor end portion of the frame member 16 are restored by the restoring force that the bending deformation of the first divided portion 17 tries to return. Each of the sashes 5 is pressed against the ridges 8 and 10 which are the groove walls of the fitting groove 12 of the sash 5 and is elastically held in a state where the outdoor side end of the frame member 16 is sandwiched between the ridges 8 and 10. The In this way, the frame member 16 is elastically held in a state of being sandwiched between the two ridges 8 and 10, so that the frame member 16 and the both groove wall portions (ridges 8 and 11) of the fitting groove 12. There is no gap, and the window frame 15 can be stably held on the sash 5 without rattling.

尚、図1、図5、図6(b)では、第1分割部17の変形を誇張して図示しており、第1分割部17は、枠部材16の室外側端部における表裏面16a,16bがそれぞれサッシ5の突条8,10に圧接する程度に変形しさえすればよい。   1, 5, and 6 (b), the deformation of the first divided portion 17 is exaggerated, and the first divided portion 17 is a front and back surface 16 a at the outdoor side end of the frame member 16. , 16b only needs to be deformed so as to be in pressure contact with the ridges 8, 10 of the sash 5, respectively.

そのとき、上記切り込み溝23の深さdをサッシ5の外周側突条8の突出高さhと同じかそれよりも大きくすること(d≧h)で、次のような作用効果が得られる。すなわち、枠部材16の室外側端部がサッシ5の嵌合凹溝12に嵌合されたとき、枠部材16は、切り込み溝23の底部の位置つまり第1分割部17の基部17aに対し、その室外側部分がサッシ5の嵌合凹溝12に嵌合されることとなる。仮に、逆に、切り込み溝23の深さdがサッシ5の外周側突条8の突出高さhよりも小さいd<hの場合には、第1分割部17は、枠部材16の室外側端部をサッシ5の嵌合凹溝12へ嵌合する際の初期に撓むだけであり、嵌合が進んでもそれ以上は撓まないようになり、この場合は嵌合をスムーズに行うことが困難になる。しかし、この実施形態のように、切り込み溝23の深さdをサッシ5の外周側突条8の突出高さh以上とすれば、そのようなことは生じず、枠部材16の室外側端部の全体が嵌合凹溝12に嵌合するまで第1分割部17が撓むこととなり(嵌合された後の状態でも第1分割部17が撓んだままになる)、枠部材16のサッシ5の嵌合凹溝12への嵌合をスムーズに行うことができる。   At that time, by making the depth d of the cut groove 23 equal to or larger than the protrusion height h of the outer peripheral ridge 8 of the sash 5 (d ≧ h), the following operational effects can be obtained. . That is, when the outdoor end of the frame member 16 is fitted into the fitting groove 12 of the sash 5, the frame member 16 is positioned relative to the position of the bottom of the cut groove 23, that is, the base 17a of the first divided portion 17. The outdoor portion is fitted into the fitting groove 12 of the sash 5. Conversely, if the depth d of the cut groove 23 is d <h, which is smaller than the protrusion height h of the outer peripheral ridge 8 of the sash 5, the first divided portion 17 is located outside the frame member 16. The end part only bends in the initial stage when fitting into the fitting groove 12 of the sash 5, and no further bending occurs even if the fitting progresses. In this case, the fitting should be performed smoothly. Becomes difficult. However, if the depth d of the cut groove 23 is equal to or greater than the protruding height h of the outer peripheral ridge 8 of the sash 5 as in this embodiment, this does not occur, and the outdoor end of the frame member 16 The first divided portion 17 bends until the entire portion is fitted in the fitting concave groove 12 (the first divided portion 17 remains bent even after being fitted), and the frame member 16 The sash 5 can be smoothly fitted into the fitting concave groove 12.

さらに、枠部材16の室外側端部の表面16aに、サッシ5の内周側突条10を収容する切欠き段部20が形成され、この切欠き段部20にサッシ5の内周側突条10が収容されたときに、その突条10と切欠き段部20以外の枠部材16の表面16aとが面一になる。しかも、切欠き段部20の側面と内周側突条10との間に隙間も生じないので、外観上の見映えをよくすることができる。   Further, a notch step portion 20 that accommodates the inner peripheral ridge 10 of the sash 5 is formed on the surface 16 a of the outdoor side end portion of the frame member 16, and the inner peripheral side protrusion of the sash 5 is formed in the notch step portion 20. When the strip 10 is accommodated, the protrusion 10 and the surface 16a of the frame member 16 other than the notched step portion 20 are flush with each other. In addition, since no gap is formed between the side surface of the notched step portion 20 and the inner peripheral ridge 10, the appearance of the appearance can be improved.

(実施形態2)
図7は本発明の実施形態2を示し(尚、以下の各実施形態では、図1〜図6と同じ部分については同じ符号を付してその詳細な説明は省略する)、枠部材16の裏面16bに被係合部を設けたものである。
(Embodiment 2)
FIG. 7 shows a second embodiment of the present invention (in the following embodiments, the same parts as those in FIGS. 1 to 6 are denoted by the same reference numerals, and detailed description thereof is omitted). An engaged portion is provided on the back surface 16b.

すなわち、この実施形態では、各枠部材16の裏面16bにおける室外側に断面コ字状の凹溝部25が枠部材16の長さ方向の全体に亘って延びるように形成され、この凹溝部25は、枠部材16とサッシ5の嵌合凹溝12との嵌合状態でサッシ5の外周側突条8における突起部9(係合部)に係合するようになっており、このことで凹溝部25が被係合部を構成している。その他の構成は実施形態1と同様である。   In other words, in this embodiment, a concave groove portion 25 having a U-shaped cross section is formed on the back surface 16b of each frame member 16 so as to extend over the entire length direction of the frame member 16. The frame member 16 and the fitting groove 12 of the sash 5 are engaged with the protruding portion 9 (engagement portion) of the outer rim 8 of the sash 5 so as to be recessed. The groove portion 25 constitutes an engaged portion. Other configurations are the same as those of the first embodiment.

この実施形態の場合、各枠部材16の室外側端部がサッシ5の突条8,10間の嵌合凹溝12へ嵌合された状態では、サッシ5の外周側突条8の突起部9(係合部)が枠部材16の裏面16bの凹溝部25(被係合部)に係合する。そのため、枠部材16が嵌合凹溝12から抜け出そうとしても、それは係合部9と凹溝部25との係合により抑制されるようになり、このことによって枠部材16とサッシ5との嵌合状態が安定して保持される。   In the case of this embodiment, in the state in which the outdoor side end portion of each frame member 16 is fitted in the fitting groove 12 between the ridges 8 and 10 of the sash 5, the protruding portion of the outer peripheral side ridge 8 of the sash 5. 9 (engagement portion) engages with the groove portion 25 (engaged portion) of the back surface 16 b of the frame member 16. Therefore, even if the frame member 16 tries to come out of the fitting groove 12, it is suppressed by the engagement between the engaging portion 9 and the groove 25, and this causes the fitting between the frame member 16 and the sash 5. The combined state is stably maintained.

(実施形態3)
図8は本発明の実施形態3を示し、枠部材16の裏面16bに形成される凹溝部25を複数としたものである。
(Embodiment 3)
FIG. 8 shows Embodiment 3 of the present invention, in which a plurality of concave groove portions 25 formed on the back surface 16b of the frame member 16 are provided.

すなわち、この実施形態では、枠部材16の裏面16bに、枠部材16の長さ方向の全体に亘って延びる断面く字状又は断面L字状の複数の凹溝部25,25,…が室外側と室内側とを結ぶ方向に沿って波形状に連続して並んで形成されており、枠部材16とサッシ5の嵌合凹溝12との嵌合状態で、この凹溝部25,25,…の1つにサッシ5の外周側突条8における突起部9(係合部)が係合するようになっている。その他の構成は実施形態2と同様である。   That is, in this embodiment, a plurality of concave grooves 25, 25,... Extending in the longitudinal direction of the frame member 16 on the back surface 16 b of the frame member 16 are provided on the outdoor side. Are formed in a wavy shape along the direction connecting the interior and the indoor side, and in the fitted state between the frame member 16 and the fitting groove 12 of the sash 5, the groove portions 25, 25,. The protrusion 9 (engagement part) in the outer peripheral side protrusion 8 of the sash 5 is engaged with one of these. Other configurations are the same as those of the second embodiment.

この実施形態においては、枠部材16の室外側端部がサッシ5の嵌合凹溝12へ嵌合された状態では、嵌合凹溝12の内側面となる外周側突条8の突起部9が枠部材16の裏面16bの複数の凹溝部25,25,…の1つに係合する。そして、この突起部9が係合する凹溝部25の位置を変えることにより、枠部材16がサッシ5の嵌合凹溝12内に嵌合されるときの嵌合位置を変更することができる。   In this embodiment, when the outdoor end of the frame member 16 is fitted into the fitting groove 12 of the sash 5, the protrusion 9 of the outer peripheral ridge 8 serving as the inner surface of the fitting groove 12. Are engaged with one of the plurality of concave grooves 25, 25,... On the back surface 16 b of the frame member 16. The fitting position when the frame member 16 is fitted into the fitting groove 12 of the sash 5 can be changed by changing the position of the groove 25 to which the protrusion 9 is engaged.

(その他の実施形態)
上記実施形態では、枠部材16の室外側端面における裏面16b側(窓の外周側)に切り込み溝23を形成しているが、表面16a側(窓の内周側)に形成することもできる。
(Other embodiments)
In the above embodiment, the cut groove 23 is formed on the back surface 16b side (outer side of the window) on the outdoor end surface of the frame member 16, but it can also be formed on the front side 16a (inner side of the window).

本発明は、枠部材とサッシの嵌合凹溝の両溝壁部との間に隙間が生じず、窓枠をサッシにガタツクことなく安定して保持することができるので、極めて有用である。   The present invention is extremely useful because there is no gap between the frame member and both groove wall portions of the fitting recess groove of the sash, and the window frame can be stably held without rattling.

5 サッシ
8 外周側突条
9 突起部(係合部)
h 突出高さ
10 内周側突条
12 嵌合凹溝
15 窓枠
16 枠部材
17 第1分割部
17a 基部
t1 厚さ
18 第2分割部
t2 厚さ
20 切欠き段部
23 切り込み溝
d 深さ
25 凹溝部(被係合部)
5 Sash 8 Outer ridge 9 Projection (engagement part)
h Protrusion height 10 Inner peripheral ridge 12 Fitting groove 15 Window frame 16 Frame member 17 First divided portion 17a Base t1 Thickness 18 Second divided portion t2 Thickness 20 Notch step portion 23 Cut groove d Depth 25 Concave groove (engaged part)

Claims (7)

建物の開口部に施工され、互いに平行に延びる1対の突条を溝壁部として室内側に開口する嵌合凹溝が形成された金属製のサッシ本体を有するサッシに対し、上記嵌合凹溝に嵌合されて取り付けられる窓枠であって、
矩形状に配置された4枚の板状の枠部材からなり、
各枠部材の室外側端面には、枠部材の室外側端部を厚さ方向に第1及び第2分割部に分割するように有底状の切り込み溝が形成され、
上記第1分割部は第2分割部よりも厚さが薄くて、切り込み溝の底部に対応する位置の基部を支点として枠部材の厚さ方向に撓み変形可能とされ、
サッシ本体の嵌合凹溝に枠部材が嵌合されたときに、第1分割部が基部を支点として撓み変形することにより、枠部材が突条間に挟まれた状態で弾性保持されるように構成され
上記サッシ本体の1対の突条のうち、上記枠部材が上記嵌合凹溝に嵌合されたときに該枠部材の第1分割部側に位置する突条には、該第1分割部を他方の突条に向かう方向に押して、撓み変形させる係合部が設けられており、
上記切り込み溝の底部は、枠部材が嵌合凹溝に嵌合された状態で、上記係合部が第1分割部に係合する位置よりも室内方向に深い位置に設けられていることを特徴とする窓枠。
For the sash having a metal sash body formed in the opening of the building and having a pair of protrusions extending in parallel with each other as a groove wall and opening to the indoor side, the fitting recess A window frame fitted and attached to a groove,
Consists of four plate-like frame members arranged in a rectangular shape,
A bottomed cut groove is formed on the outdoor end face of each frame member so as to divide the outdoor end of the frame member into first and second divided parts in the thickness direction,
The first divided portion is thinner than the second divided portion, and can be bent and deformed in the thickness direction of the frame member with a base portion at a position corresponding to the bottom of the cut groove as a fulcrum,
When the frame member is fitted into the fitting groove of the sash body , the first divided portion is bent and deformed with the base as a fulcrum so that the frame member is elastically held in a state of being sandwiched between the protrusions. Composed of
Of the pair of ridges of the sash body, the ridge located on the first divided portion side of the frame member when the frame member is fitted in the fitting concave groove includes the first divided portion. Is provided in the direction toward the other ridge to bend and deform,
The bottom of the cut groove is provided at a position deeper in the indoor direction than the position at which the engaging portion engages with the first divided portion in a state where the frame member is fitted in the fitting concave groove. Characteristic window frame.
請求項1において、
切り込み溝の深さは、サッシ本体の嵌合凹溝に枠部材が嵌合されたときの該枠部材の第1分割部側の突条の突出高さりも大きいことを特徴とする窓枠。
In claim 1,
Cutting depth of the grooves, the window, wherein the greater Ri by the protruding height of the first divided portion of the protrusion of the frame member when the frame member is fitted to the fitting groove of the sash body frame.
請求項1又は2において、
部材の第1分割部側の面には、枠部材とサッシ本体の嵌合凹溝との嵌合状態で上記サッシ本体の係合部に係合する被係合部が形成されていることを特徴とする窓枠。
In claim 1 or 2,
The surface of the first divided portion of the frame member, the engaged portion to be engaged with the engaging portion of the sash body is formed in a fitting state with the fitting groove of the frame member and the sash body A window frame characterized by
請求項3において、
サッシ本体の係合部は、突条の一部が相対する突条に向かうように突出する突起部であり、
被係合部は、枠部材の第1分割部側の面に形成された凹溝部で、該凹溝部にサッシ本体の突起部が係合するように構成されていることを特徴とする窓枠。
In claim 3,
The engaging part of the sash body is a protruding part that protrudes so that a part of the protruding part faces the opposing protruding line,
The engaged portion is a concave groove formed on the surface of the frame member on the first divided portion side, and is configured such that the projection of the sash body is engaged with the concave groove. .
請求項4において、
被係合部は、枠部材の室外側と室内側とを結ぶ方向に沿って並んで形成された複数の凹溝部であり、
上記凹溝部の1つにサッシ本体の突起部が係合するように構成されていることを特徴とする窓枠。
In claim 4,
The engaged portion is a plurality of concave grooves formed side by side along the direction connecting the outdoor side and the indoor side of the frame member,
A window frame characterized in that a projection of a sash body is engaged with one of the concave grooves.
請求項1〜5のいずれか1つにおいて、
枠部材の第2分割部側の面に、サッシ本体の他方の突条を収容する切欠き段部が、該切欠き段部に収容された突条と切欠き段部以外の表面とを面一にするように形成されていることを特徴とする窓枠。
In any one of Claims 1-5,
A notch step for accommodating the other protrusion of the sash body faces the surface other than the notch step on the surface on the second divided portion side of the frame member. A window frame that is formed to be uniform.
請求項1〜6のいずれか1つの窓枠がサッシに取り付けられたことを特徴とする窓。   A window, wherein the window frame according to any one of claims 1 to 6 is attached to a sash.
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