JP7046664B2

JP7046664B2 - Joinery

Info

Publication number: JP7046664B2
Application number: JP2018052864A
Authority: JP
Inventors: 富広山下; 良山田
Original assignee: Lixil Corp
Current assignee: Lixil Corp
Priority date: 2018-03-20
Filing date: 2018-03-20
Publication date: 2022-04-04
Anticipated expiration: 2038-03-20
Also published as: JP2019163658A

Description

本発明は、レールを有する下枠及び前記レールに対して摺動可能な障子を備える建具に関する。 The present invention relates to a lower frame having a rail and a fitting provided with a shoji sliding on the rail.

従来、引戸や引違い窓等の摺動可能な障子を備える建具において、室外側からの雨水の侵入を防止するための構造を備えるものが知られている。この種の技術を開示するものとして特許文献１がある。 Conventionally, there is known a fitting having a sliding shoji such as a sliding door or a sliding window, which has a structure for preventing rainwater from entering from the outdoor side. Patent Document 1 discloses this kind of technology.

特許文献１には、召合せ部空間が室外空間と等圧な等圧空間とされるとともに、強風を伴った雨水が下枠と内障子との隙間から吹き込んだとしても、この雨水が越えることができない高さ寸法を有したＡＴ材によって阻止する構成について記載されている。これによって、内外の召合せ框間から室内空間への雨水の浸入を防止して水密性能の向上を図ることができるとしている。 In Patent Document 1, the meeting space is defined as an isobaric space equal to the outdoor space, and even if rainwater accompanied by a strong wind blows through the gap between the lower frame and the internal sash, the rainwater will exceed it. It describes a configuration that is blocked by an AT material having a height dimension that cannot be achieved. As a result, it is possible to prevent rainwater from entering the indoor space from the inside and outside of the combination stile and improve the watertightness.

特開２００７－５１５３５号公報Japanese Unexamined Patent Publication No. 2007-51535

ところで、下枠に雨水が当たって跳ね返った水や室外側から吹きこんだ水が障子を支持するレールを越えて、室内側に浸入することがある。引き違い窓であっても、内障子は室外側に位置するため、内障子を支持するレールを越えれば室内側に水が侵入してしまうことになる。特に、高層ビルでは吹き込みも強く、水密性能の更なる向上が望まれていた。 By the way, water that hits the lower frame and bounces off or water that blows from the outside of the room may cross the rail that supports the shoji and enter the room. Even with a sliding window, the shoji is located on the outdoor side, so if you cross the rail that supports the shoji, water will enter the indoor side. In particular, high-rise buildings have strong blow-in, and further improvement in watertightness has been desired.

本発明は、摺動可能な障子を備える建具において、跳ね返りや吹き込みによるレールを越えた室内側への水の侵入を効果的に防止できる構成を提供することを目的とする。 It is an object of the present invention to provide a structure in which a fitting provided with a slidable shoji screen can effectively prevent water from entering the room side beyond the rail due to rebound or blowing.

本発明は、レール（例えば、後述の室内側レール１２３）を有する下枠（例えば、後述の下枠１２）及び前記レールに対して摺動可能な障子（例えば、後述の内障子２０）を備える建具（例えば、後述の建具１）において、前記障子が有する下框（例えば、後述の下框２２）は、前記レールの上部を見込方向で挟む形状に形成され、前記レールには、少なくとも見込方向室外側に延出する庇部（例えば、後述の庇部１５２）が形成される建具に関する。 The present invention includes a lower frame (for example, the lower frame 12 described later) having a rail (for example, the indoor side rail 123 described later) and a shoji slidable with respect to the rail (for example, the inner shoji 20 described later). In the fitting (for example, fitting 1 described later), the lower stile held by the shoji (for example, the lower stile 22 described later) is formed in a shape that sandwiches the upper part of the rail in the prospective direction, and the rail has at least the prospective direction. The present invention relates to a fitting in which an eaves portion extending to the outside of the room (for example, an eaves portion 152 described later) is formed.

前記庇部は、前記レールの上端から連続して見込方向室外側に延出することが好ましい。 It is preferable that the eaves extend continuously from the upper end of the rail to the outdoor side in the prospect direction.

前記庇部は、前記レールに対して見込方向室外側のみに延出することが好ましい。 It is preferable that the eaves extend only to the outside of the room in the prospect direction with respect to the rail.

前記下框の下部には、前記レールの見込方向室内側に延びる框側庇部（例えば、後述の框側庇部２２５）を有することが好ましい。 It is preferable that the lower portion of the lower stile has a stile-side eaves portion (for example, the stile-side eaves portion 225 described later) extending toward the room in the prospective direction of the rail.

前記下框の下面には、該下框の室外側の下端部及び前記庇部の上部の少なくとも何れか一方に接触する框側水切材（例えば、後述の框側水切材７０）が配置されることが好ましい。 On the lower surface of the lower stile, a stile-side drainage material (for example, the stile-side drainage material 70 described later) that contacts at least one of the lower end portion of the outdoor side of the lower stile and the upper portion of the eaves portion is arranged. Is preferable.

本発明の建具によれば、跳ね返りや吹き込みによるレールを越えた室内側への水の侵入を効果的に防止できる。 According to the fitting of the present invention, it is possible to effectively prevent water from entering the indoor side beyond the rail due to rebound or blowing.

本発明の一実施形態に係る建具を室内側から見た姿図である。It is a figure which looked at the fitting which concerns on one Embodiment of this invention from the room side. 本実施形態の建具の縦断面図である。It is a vertical sectional view of the fitting of this embodiment. 本実施形態の建具の横断面図である。It is a cross-sectional view of the fitting of this embodiment. 本実施形態の建具が備える下枠を示す拡大縦断面図である。It is an enlarged vertical sectional view which shows the lower frame provided with the fitting of this embodiment. 本実施形態の外障子の外側煙返し部と内障子の内側煙返し部が見込方向で対向している様子を示す拡大横断面図である。It is an enlarged cross-sectional view which shows the appearance that the outer smoke return portion of the outer sash and the inner smoke return portion of the inner sash of the present embodiment face each other in the prospective direction. 本実施形態の下枠に配置される下枠風止板を示す平面図である。It is a top view which shows the lower frame windbreak plate arranged in the lower frame of this embodiment. 本実施形態の下枠に配置される下枠風止板を示す正面図である。It is a front view which shows the lower frame windbreak plate arranged in the lower frame of this embodiment. 本実施形態の室内側レールに形成される庇部を示す拡大縦断面図である。It is an enlarged vertical sectional view which shows the eaves formed in the rail on the indoor side of this embodiment. 本実施形態の内障子の下框に取り付けられる框側水切材の平面図である。It is a top view of the stile-side drainage material attached to the lower stile of the shoji of this embodiment. 本実施形態の内障子の下框に取り付けられる框側水切材の側面図である。It is a side view of the stile side drainage material attached to the lower stile of the shoji of this embodiment. 本実施形態の室内側レールに係合する内障子の下框を示す斜視図である。It is a perspective view which shows the lower frame of the inner stile which engages with the rail on the indoor side of this embodiment.

以下、本発明の好ましい実施形態について、図面を参照しながら説明する。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障子の面方向を意味し、「見込方向」とは、上記障子の厚み方向を意味する。 Hereinafter, preferred embodiments of the present invention will be described with reference to the drawings. In the present specification, the "finding direction" means the surface direction of the shoji in the fittings housed in the opening formed in the building, and the "expected direction" means the thickness direction of the shoji. do.

図１は、本発明の一実施形態に係る建具１を室内側から見た姿図である。図２は、本実施形態の建具１の縦断面図である。図３は本実施形態の建具１の横断面図である。 FIG. 1 is a view of the fitting 1 according to the embodiment of the present invention as viewed from the indoor side. FIG. 2 is a vertical sectional view of the fitting 1 of the present embodiment. FIG. 3 is a cross-sectional view of the fitting 1 of the present embodiment.

本実施形態の建具１は、建物の開口部に固定される枠体１０と、枠体１０の内側で摺動可能に配置される内障子２０及び外障子４０と、外障子４０の更に室外側で摺動可能に配置される網戸５０と、を主要な構成として備える引違い窓である。 The fitting 1 of the present embodiment includes a frame body 10 fixed to an opening of a building, an internal sash 20 and an external sash 40 slidably arranged inside the frame 10, and a further outdoor side of the external sash 40. It is a sliding window provided with a screen door 50 slidably arranged in the main configuration.

枠体１０は、上枠１１、下枠１２及び左右の縦枠１３，１４が略矩形に枠組みされて構成される。上枠１１、下枠１２及び左右の縦枠１３，１４は、アルミの押出し成形品であり、金属製である。 The frame body 10 is configured such that the upper frame 11, the lower frame 12, and the left and right vertical frames 13, 14 are framed in a substantially rectangular shape. The upper frame 11, the lower frame 12, and the left and right vertical frames 13 and 14 are extruded aluminum products and are made of metal.

上枠１１について説明する。上枠１１の下面には、内障子２０の上部を挟み込む室内側溝部１１１と、外障子４０の上部を挟み込む室外側溝部１１２と、が形成される。室内側溝部１１１及び室外側溝部１１２は、何れも下方に開口するとともに左右方向に延びる溝である。室内側溝部１１１と室外側溝部１１２は、見込方向で隣接している。 The upper frame 11 will be described. On the lower surface of the upper frame 11, an indoor gutter portion 111 that sandwiches the upper portion of the inner sash 20 and an outdoor gutter portion 112 that sandwiches the upper portion of the outer sash 40 are formed. The indoor gutter 111 and the outdoor gutter 112 are both grooves that open downward and extend in the left-right direction. The indoor gutter 111 and the outdoor gutter 112 are adjacent to each other in the prospective direction.

下枠１２について説明する。下枠１２の見込方向室内側端部には、上方に立ち上がる室内側立ち上がり部１２０が形成される。室内側立ち上がり部１２０における室外側の見付面上部には気密材１２２を嵌合する嵌合部１２１が形成される。 The lower frame 12 will be described. At the end of the lower frame 12 on the indoor side in the prospective direction, an indoor rising portion 120 that rises upward is formed. A fitting portion 121 for fitting the airtight material 122 is formed on the upper part of the finding surface on the outdoor side of the indoor rising portion 120.

下枠１２の室内側立ち上がり部１２０の室内側には、当該室内側立ち上がり部１２０に対向するように上方に延出する室内側レール１２３が形成される。室内側レール１２３の室外側の見付面には、見込方向室外側に延び出る延出片１２４が形成される。延出片１２４の室外側の端部には、気密材１２６を嵌合する嵌合部１２５が形成される。 On the indoor side of the indoor rising portion 120 of the lower frame 12, an indoor rail 123 extending upward so as to face the indoor rising portion 120 is formed. An extension piece 124 extending to the outdoor side in the prospect direction is formed on the finding surface on the outdoor side of the indoor side rail 123. A fitting portion 125 for fitting the airtight material 126 is formed at the outdoor end of the extension piece 124.

室内側レール１２３の基端部には、延出片１２４の下方には、下方に傾斜しつつ室外側に向かった後、水平方向に沿って室外側に向かう底面部１２７が形成される。底面部１２７の室外側端部には、室外側レール１２８が形成される。 At the base end of the indoor side rail 123, a bottom surface portion 127 is formed below the extension piece 124 so as to be inclined downward toward the outdoor side and then toward the outdoor side along the horizontal direction. An outdoor rail 128 is formed at the outdoor end of the bottom surface 127.

室外側レール１２８の室外側に下側に下がる段差部１２９が形成される。この段差部１２９の室外側端部には、上方に立ち上がる室外側立ち上がり部１３０が形成される。室外側立ち上がり部１３０は、その見付面に排水孔１３１が形成される。 A step portion 129 that descends downward is formed on the outdoor side of the outdoor rail 128. At the outdoor end of the step 129, an outdoor rising portion 130 that rises upward is formed. A drainage hole 131 is formed on the surface of the outdoor rising portion 130.

縦枠１３の内側の見込面には内障子２０に対向する衝突防止部材１３５が配置されるとともに、縦枠１４の内側の見込面には外障子４０の衝突防止部材１３６が配置される。 The collision prevention member 135 facing the inner sash 20 is arranged on the inner prospective surface of the vertical frame 13, and the collision prevention member 136 of the outer sash 40 is arranged on the inner prospective surface of the vertical frame 14.

内障子２０及び外障子４０は、何れも引き戸であり、これらを左右方向（見付方向）にスライドさせることで、開口部が閉鎖又は開放される。図１では、内障子２０及び外障子４０の両方が閉鎖位置にある状態が示されている。 Both the inner sash 20 and the outer sash 40 are sliding doors, and by sliding them in the left-right direction (finding direction), the opening is closed or opened. FIG. 1 shows a state in which both the internal sash 20 and the external sash 40 are in the closed position.

内障子２０について説明する。内障子２０は、上框２１、下框２２及び左右の縦框である召内框２３，戸先框２４により矩形に枠組みされた框体２５と、框体２５内に嵌め込まれて固定された面材としての複層ガラス２６と、を含んで構成される。 The internal shoji 20 will be described. The inner sash 20 was fitted and fixed in a stile 25 framed in a rectangular shape by an upper stile 21, a lower stile 22, a left and right vertical stiles 23, and a door tip stile 24. It is configured to include a double glazing 26 as a face material.

上框２１は、中空部を有する上框本体部２１０と、上框本体部２１０の下側に形成され、複層ガラス２６の端部が挟み込まれるガラス溝部２１１と、を備える。 The upper stile 21 includes an upper stile main body 210 having a hollow portion, and a glass groove portion 211 formed under the upper stile main body 210 and sandwiching an end portion of the double glazing 26.

下框２２は、中空部を有する下框本体部２２０と、下框本体部２２０の上側に形成され、複層ガラス２６の端部が挟み込まれるガラス溝部２２１と、下框本体部２２０の下側に形成されるカバー部２２２と、を備える。下框本体部２２０の下面には、複数の戸車２７が回転可能に配置される。 The lower stile 22 is formed on the lower stile main body 220 having a hollow portion, the glass groove 221 formed on the upper side of the lower stile main body 220, and the end portion of the double glazing 26 is sandwiched, and the lower side of the lower stile main body 220. It is provided with a cover portion 222 formed in the above. A plurality of door rollers 27 are rotatably arranged on the lower surface of the lower frame main body 220.

召内框２３は、中空部を有する召内框本体部２３０と、召内框本体部２３０の戸先側（戸先框２４側）に形成され、複層ガラス２６の端部が挟み込まれるガラス溝部２３１と、を備える。召内框本体部２３０の室外側の見付面には、気密材２３３が配置される嵌合部２３２と、嵌合部２３２の戸先側で見込方向室外側に延びた後、見付方向の縦枠１４側に屈曲する召内側煙返し部２３５と、が形成される。また、図１に示すように、召内框２３には戸締り用のクレセント錠２９（図２及び図３において図示省略）が配置される。 The inner stile 23 is formed on the door end side (door end stile 24 side) of the inner stile main body 230 having a hollow portion and the inner sill main body 230, and the end portion of the double glazing 26 is sandwiched therein. A groove portion 231 is provided. On the outdoor side of the kanhe stile main body 230, there is a fitting portion 232 in which the airtight material 233 is arranged, and the fitting portion 232 on the door end side of the fitting portion 232, which extends outward in the prospective direction and then in the finding direction. The inside smoke return portion 235, which bends toward the vertical frame 14 side of the above, is formed. Further, as shown in FIG. 1, a crescent lock 29 for closing the door (not shown in FIGS. 2 and 3) is arranged on the inner stile 23.

戸先框２４は、中空部を有する戸先框本体部２４０と、戸先框本体部２４０の縦枠１３側に形成され、複層ガラス２６の端部が挟み込まれるガラス溝部２４１と、を備える。戸先框本体部２４０の縦枠１４側には、クッション材２４３が嵌合する嵌合部２４２が形成される。 The door tip stile 24 includes a door tip stile main body portion 240 having a hollow portion, and a glass groove portion 241 formed on the vertical frame 13 side of the door tip stile main body portion 240 and sandwiched by an end portion of the double glazing 26. .. A fitting portion 242 into which the cushion material 243 is fitted is formed on the vertical frame 14 side of the door tip frame main body portion 240.

外障子４０について説明する。外障子４０は、上框４１、下框４２及び左右の縦框である召外框４３，戸先框４４により矩形に枠組みされた框体４５と、框体４５内に嵌め込まれて固定された面材としての複層ガラス４６と、を含んで構成される。 The external shoji 40 will be described. The external shoji 40 was fixed by being fitted into the frame 45, which was framed in a rectangular shape by the upper stile 41, the lower stile 42, the outer stile 43 which is the left and right vertical stiles, and the door tip stile 44. It is configured to include a double glazing 46 as a face material.

框体４５のうち、上框４１、召外框４３及び戸先框４４は、内障子２０の上框２１、召内框２３及び戸先框２４と略同様の構成である。上框４１は、上框本体部４１０とガラス溝部４１１を備える。召外框４３は、召内框本体部４３０とガラス溝部４３１を備え、召内框本体部４３０の室内側の見付面には、見込方向室内側に延びた後、見付方向の縦枠１３側に屈曲する召外側煙返し部４３５が形成される。召外側煙返し部４３５は、室内側から召内側煙返し部２３５に見込方向で対向する。戸先框４４は、戸先框本体部４４０と、ガラス溝部４４１と、を備える。戸先框本体部４４０の縦枠１３側には、クッション材４４３が嵌合する嵌合部４４２が形成される。 Of the stiles 45, the upper stile 41, the outer stile 43, and the door tip stile 44 have substantially the same configuration as the upper stile 21, the sash inner stile 23, and the door tip stile 24 of the shoji screen 20. The upper stile 41 includes an upper stile main body portion 410 and a glass groove portion 411. The outer stile 43 includes a main body 430 of the inner stile and a glass groove 431, and a vertical frame in the finding direction after extending toward the indoor side in the prospective direction on the indoor side of the inner stile main body 430. An outer smoke return portion 435 that bends to the 13 side is formed. The outside smoke return portion 435 faces the inside smoke return portion 235 from the indoor side in the expected direction. The door tip stile 44 includes a door tip stile main body portion 440 and a glass groove portion 441. A fitting portion 442 into which the cushion material 443 is fitted is formed on the vertical frame 13 side of the door tip frame main body portion 440.

下框４２は、中空部を有する下框本体部４２０と、下框本体部４２０の上側に形成され、複層ガラス４６の端部が挟み込まれるガラス溝部４２１と、下框本体部４２０の下側に形成され、複数の戸車４７が回転可能に配置される戸車支持部４２２と、を備える。 The lower stile 42 is formed on the lower stile main body 420 having a hollow portion, the glass groove 421 formed on the upper side of the lower stile main body 420, and the end portion of the double glazing 46 is sandwiched, and the lower side of the lower stile main body 420. The door roller support portion 422, which is formed in the above and is rotatably arranged with a plurality of door rollers 47, is provided.

戸車支持部４２２の室外側の見付面下部には、下側に延出する下框延出部４２５が形成されており、後述する下枠１２の室外側立ち上がり部１３０に見込方向で対向する位置関係にある。下框延出部４２５は、下框４２の長手方向に沿って形成されており、室外側立ち上がり部３０との間に隙間を形成する。この下框延出部４２５の下端部には水切材４２７（図３において図示省略）を保持する嵌合部４２６が形成される。 A lower stile extending portion 425 extending downward is formed at the lower part of the outdoor side of the door roller support portion 422, and faces the outdoor rising portion 130 of the lower frame 12 described later in the prospective direction. There is a positional relationship. The lower stile extending portion 425 is formed along the longitudinal direction of the lower stile 42, and forms a gap between the lower stile extending portion 425 and the outdoor rising portion 30. A fitting portion 426 for holding a drainage member 427 (not shown in FIG. 3) is formed at the lower end portion of the lower stile extending portion 425.

図２に示すように、網戸５０は、外障子４０の室外側で摺動可能に上枠１１及び下枠１２に取り付けられる。網戸５０は、上枠１１の室外側溝部１１２を室外側で形成する室外側壁部１１３は、網戸５０の上部５１が係合する係合部として機能する。また、下枠１２の室外側立ち上がり部１３０が網戸５０の下部５２が係合する係合部として機能する。なお、図３以降において網戸５０の図示は省略している。 As shown in FIG. 2, the screen door 50 is slidably attached to the upper frame 11 and the lower frame 12 on the outdoor side of the outer sash 40. In the screen door 50, the outdoor wall portion 113 forming the outdoor groove portion 112 of the upper frame 11 on the outdoor side functions as an engaging portion with which the upper portion 51 of the screen door 50 engages. Further, the outdoor rising portion 130 of the lower frame 12 functions as an engaging portion with which the lower portion 52 of the screen door 50 engages. The screen door 50 is not shown in FIGS. 3 and 3 and later.

図４は、本実施形態の建具１が備える下枠１２を示す拡大縦断面図である。図５は、本実施形態の外障子４０の召外側煙返し部４３５と内障子２０の召内側煙返し部２３５が見込方向で対向している様子を示す拡大横断面図である。 FIG. 4 is an enlarged vertical sectional view showing a lower frame 12 included in the fitting 1 of the present embodiment. FIG. 5 is an enlarged cross-sectional view showing a state in which the outer smoke return portion 435 of the outer sash 40 and the inner smoke return portion 235 of the inner sash 20 face each other in the prospective direction.

外障子４０の召外框４３は外側に面している。ここで、閉鎖位置の外障子４０を基準とすると、召外框４３の縦枠１４に対向する見込面は室外側となり、下枠１２における外障子４０の縦枠１４側も室外側となる。一方で、外障子４０の召外框４３よりも縦枠１３側は、内障子２０によって室外側から隔てられており、室内側に位置することになる。以下の説明において、外障子４０の見付方向の縦枠１４側を見付方向の室外側とし、見付方向の縦枠１３側を見付方向の室内側として説明する場合がある。 The outer stile 43 of the shoji 40 faces the outside. Here, based on the external sash 40 in the closed position, the prospective surface facing the vertical frame 14 of the outer stile 43 is the outdoor side, and the vertical frame 14 side of the external sash 40 in the lower frame 12 is also the outdoor side. On the other hand, the vertical frame 13 side of the outer sash 40 is separated from the outdoor side by the inner sash 20 and is located on the indoor side. In the following description, the vertical frame 14 side in the finding direction of the shoji 40 may be described as the outdoor side in the finding direction, and the vertical frame 13 side in the finding direction may be described as the indoor side in the finding direction.

図４及び図５の鎖線に示すように、下枠１２の上面には下枠風止板６０が配置される。下枠風止板６０は、閉鎖位置にある内障子２０の召内框２３に上下方向視で重なる位置関係になっている。 As shown by the chain line in FIGS. 4 and 5, the lower frame windbreak plate 60 is arranged on the upper surface of the lower frame 12. The lower frame windbreak plate 60 has a positional relationship in which it overlaps with the inner stile 23 of the shoji 20 in the closed position in the vertical direction.

図６は、本実施形態の下枠１２に配置される下枠風止板６０を示す平面図である。図７は、本実施形態の下枠１２に配置される下枠風止板６０を示す正面図であり、図６の矢印Ａの方向で見た様子が模式的に示されている。図６及び図７に示すように、本実施形態の下枠１２の延出片１２４の見込面１２４ａには加工穴（開口）７０が形成されている。下枠風止板６０は、延出片１２４における加工穴７５に対して隣接配置される。本実施形態では、下枠風止板６０は、加工穴７５における見付方向の室内側の端面に沿っている。 FIG. 6 is a plan view showing a lower frame windbreak plate 60 arranged in the lower frame 12 of the present embodiment. FIG. 7 is a front view showing the lower frame windbreak plate 60 arranged in the lower frame 12 of the present embodiment, and the state seen in the direction of the arrow A in FIG. 6 is schematically shown. As shown in FIGS. 6 and 7, a machined hole (opening) 70 is formed on the prospective surface 124a of the extension piece 124 of the lower frame 12 of the present embodiment. The lower frame windbreak plate 60 is arranged adjacent to the machined hole 75 in the extension piece 124. In the present embodiment, the lower frame windbreak plate 60 is along the end face on the indoor side in the finding direction in the machined hole 75.

下枠風止板６０は、見込方向室内側に延出する室外側延出部６１と、見込方向室内側に延出する室内側延出部６２と、を備える。下枠風止板６０の室外側延出部６１は、内障子２０が閉鎖位置にある状態で、召内側煙返し部２３５の下部に接触するとともに、室外側を向く先端面が外障子４０に見込方向で対向している。 The lower frame windbreak plate 60 includes an outdoor extending portion 61 extending toward the indoor side in the prospective direction, and an indoor extending portion 62 extending toward the indoor side in the prospective direction. The outdoor extension portion 61 of the lower frame windbreak plate 60 is in contact with the lower part of the inner smoke return portion 235 in a state where the internal sash 20 is in the closed position, and the tip surface facing the outdoor side becomes the external sash 40. They are facing each other in the expected direction.

次に、室内側レール１２３の詳細な構成について説明する。図８は、本実施形態の室内側レール１２３に形成される庇部１５２を示す拡大縦断面図である。 Next, the detailed configuration of the indoor side rail 123 will be described. FIG. 8 is an enlarged vertical sectional view showing the eaves portion 152 formed on the indoor side rail 123 of the present embodiment.

図８に示すように、本実施形態の室内側レール１２３は、下枠１２の見込面から上方に延出する支持部１５０と、支持部１５０から見込方向室外側に延出するレール部１５１と、レール部１５１から更に見込方向室外側に延出する庇部１５２と、を備える。 As shown in FIG. 8, the indoor side rail 123 of the present embodiment includes a support portion 150 extending upward from the prospective surface of the lower frame 12, and a rail portion 151 extending outward from the support portion 150 in the prospective direction. The eaves portion 152 extending further from the rail portion 151 to the outdoor side in the prospective direction is provided.

レール部１５１は、戸車２７が係合する部分である（図４参照）。レール部１５１は、球面状に形成されている。レール部１５１を支持する支持部１５０は、当該レール部１５１の見込方向中心よりも室内側に位置しており、清掃性の高い室内側レール１２３を実現している。 The rail portion 151 is a portion with which the door roller 27 is engaged (see FIG. 4). The rail portion 151 is formed in a spherical shape. The support portion 150 that supports the rail portion 151 is located on the indoor side of the center of the rail portion 151 in the prospective direction, and realizes the indoor side rail 123 with high cleanability.

庇部１５２は、レール部１５１の上面から滑らかに連続しており、水平方向に沿う直線状に形成される。庇部１５２は、レール部１５１に沿って左右方向（見付方向）にも連続して形成されている（図１１参照）。この庇部１５２の下面１５５は、延出片１２４の見込面１２４ａに対向している。室外側から下枠１２に落下して跳ね返った水や吹き込んできた水は、庇部１５２によって室内側への移動が妨げられることになる（図８の矢印参照）。 The eaves portion 152 is smoothly continuous from the upper surface of the rail portion 151, and is formed in a straight line along the horizontal direction. The eaves portion 152 is continuously formed along the rail portion 151 in the left-right direction (finding direction) (see FIG. 11). The lower surface 155 of the eaves 152 faces the prospective surface 124a of the extension piece 124. The water that has fallen from the outdoor side to the lower frame 12 and bounced off or the water that has been blown in is hindered by the eaves 152 from moving to the indoor side (see the arrow in FIG. 8).

レール部１５１及び庇部１５２は、内障子２０の下框２２によって見込方向で挟まれる構造となっている。本実施形態では、カバー部２２２（下框２２）に、下方に開口するように形成される凹部２２２ａによってレール部１５１及び庇部１５２が見込方向で挟まれている（図４参照）。 The rail portion 151 and the eaves portion 152 have a structure in which the rail portion 151 and the eaves portion 152 are sandwiched by the lower stile 22 of the internal sash 20 in the prospective direction. In the present embodiment, the rail portion 151 and the eaves portion 152 are sandwiched in the cover portion 222 (lower stile 22) by the recess 222a formed so as to open downward (see FIG. 4).

また、本実施形態の内障子２０の下框２２には、カバー部２２２の室外側の下端から見込方向室内側に延出する框側庇部２２５が形成される。框側庇部２２５は、庇部１５２よりも下方で水平方向に沿って直線状に延びている。庇部１５２と框側庇部２２５の高さを異ならせることにより、室内側に通じる隙間がより小さくなるので、室内側への水の侵入を確実に防ぐことが可能になっている。 Further, the lower stile 22 of the inner sash 20 of the present embodiment is formed with a stile-side eaves 225 extending from the lower end of the outdoor side of the cover portion 222 to the indoor side in the prospective direction. The stile-side eaves 225 extends linearly along the horizontal direction below the eaves 152. By making the heights of the eaves 152 and the stile side eaves 225 different, the gap leading to the indoor side becomes smaller, so that it is possible to reliably prevent water from entering the indoor side.

また、庇部１５２と框側庇部２２５の高さ方向の隙間を大きくとることもできるので、空気導入面積を確保しつつ、室内側への水の移動を妨げる構造が実現されている。これによって室内外の圧力差を小さくでき、圧力差によって水が室内側に引き込まれる事態の発生を効果的に防止できる。本実施形態の建具１は気圧差の生じ易い高層ビル等にも好適である。 Further, since the gap between the eaves portion 152 and the stile side eaves portion 225 in the height direction can be made large, a structure that hinders the movement of water to the indoor side is realized while securing the air introduction area. As a result, the pressure difference between indoors and outdoors can be reduced, and the occurrence of a situation in which water is drawn into the indoor side due to the pressure difference can be effectively prevented. The fitting 1 of the present embodiment is also suitable for a high-rise building or the like where a pressure difference is likely to occur.

また、本実施形態の内障子２０は、下框２２に取り付けられる框側水切材７０を備える。框側水切材７０の構成について説明する。図９は、本実施形態の内障子２０の下框２２に取り付けられる框側水切材７０の平面図である。図１０は、本実施形態の内障子２０の下框２２に取り付けられる框側水切材７０の側面図である。 Further, the sash 20 of the present embodiment includes a stile-side drainage member 70 attached to the lower stile 22. The configuration of the stile-side drainage material 70 will be described. FIG. 9 is a plan view of the stile-side drainage member 70 attached to the lower stile 22 of the internal sash 20 of the present embodiment. FIG. 10 is a side view of the stile-side drainage material 70 attached to the lower stile 22 of the shoji sash 20 of the present embodiment.

図９及び図１０に示すように、本実施形態の框側水切材７０は、基部７１と、基部７１から下側に延びてレール部１５１及び庇部１５２に接触する庇接触部７２と、下框２２の室外側下端部に接触する框接触部７３と、を備える。庇接触部７２は、レール部１５１及び庇部１５２の形状に応じた切欠部７４が形成される。框接触部７３は、框側庇部２２５を見込方向で跨るように形成されている。 As shown in FIGS. 9 and 10, the stile-side drainage material 70 of the present embodiment has a base 71, an eaves contact portion 72 extending downward from the base 71 and contacting the rail portion 151 and the eaves portion 152, and a lower portion. A stile contact portion 73 that contacts the lower end of the outdoor side of the stile 22 is provided. In the eaves contact portion 72, a notch portion 74 corresponding to the shape of the rail portion 151 and the eaves portion 152 is formed. The stile contact portion 73 is formed so as to straddle the stile side eaves portion 225 in the prospective direction.

次に、框側水切材７０の位置について説明する。図１１は、本実施形態の室内側レール１２３に係合する内障子２０の下框２２を示す斜視図である。図１１に示すように、召内框２３の下部には召内框側ヒレ部材２３６が配置されている。召内框側ヒレ部材２３６は、気密材２３３の下方に位置している。内障子２０が閉鎖位置にある状態では、召内框側ヒレ部材２３６が下枠風止板６０の室外側延出部６１に接触する位置関係となっている。 Next, the position of the stile-side drainage member 70 will be described. FIG. 11 is a perspective view showing the lower stile 22 of the shoji screen 20 that engages with the indoor side rail 123 of the present embodiment. As shown in FIG. 11, a fin member 236 on the side of the inner stile is arranged at the lower part of the inner stile 23. The fin member 236 on the inner stile side is located below the airtight material 233. In the state where the internal sash 20 is in the closed position, the inner stile-side fin member 236 is in a positional relationship in which it comes into contact with the outdoor extension portion 61 of the lower frame windbreak plate 60.

框側水切材７０は、召内框側ヒレ部材２３６に対して戸先側に配置されている。図１１では、框接触部７３が框側庇部２２５を見込方向で跨いでいる様子が図示されている。框側水切材７０は、召内框側ヒレ部材２３６の近傍に位置している。これによって庇部１５２、框側庇部２２５又はその両方に付着した水が表面張力によって残ったとしても、下枠風止板６０や召内框側ヒレ部材２３６に至る動きも框側水切材７０によって遮ることができる。 The stile-side drainage member 70 is arranged on the door end side with respect to the inner stile-side fin member 236. FIG. 11 shows how the stile contact portion 73 straddles the stile side eaves portion 225 in the prospective direction. The stile-side drainage member 70 is located in the vicinity of the inner stile-side fin member 236. As a result, even if the water adhering to the eaves 152, the eaves 225 on the stile side, or both remains due to surface tension, the movement to the lower frame windbreak plate 60 and the fin member 236 on the stile side is also the drainage material 70 on the stile side. Can be blocked by.

また、框側水切材７０によって下框２２と室内側レール１２３の隙間の一部が塞がれているものの、上述のように、庇部１５２と框側庇部２２５が互い違いとなっており、隙間が確保されているので、圧力差が生じ難い構造となっている。 Further, although a part of the gap between the lower stile 22 and the indoor rail 123 is closed by the stile-side drainage material 70, the eaves 152 and the stile-side eaves 225 are staggered as described above. Since a gap is secured, the structure is such that a pressure difference is unlikely to occur.

上記実施形態によれば、以下のような効果を奏する。
本実施形態の建具１が備える内障子２０の下框２２は、室内側レール１２３の上部を見込方向で挟み込むようにして当該室内側レール１２３に係合し、室内側レール１２３には、少なくとも見込方向室外側に延出する庇部１５２が形成される。 According to the above embodiment, the following effects are obtained.
The lower stile 22 of the inner sash 20 provided in the fitting 1 of the present embodiment engages with the indoor side rail 123 so as to sandwich the upper part of the indoor side rail 123 in the prospective direction, and at least the indoor side rail 123 is expected. A rail 152 extending to the outside of the directional chamber is formed.

これにより、下枠１２に落下して跳ね返った水の室内側レール１２３を乗り越えようとする動きが庇部１５２によって遮られるので、建具１の水密性能を効果的に向上させることができる。 As a result, the movement of the eaves 152 to get over the indoor rail 123 of the water that has fallen and bounced off the lower frame 12 is blocked by the eaves portion 152, so that the watertightness performance of the fitting 1 can be effectively improved.

また、本実施形態の庇部１５２は、室内側レール１２３の上端から連続して見込方向室外側に延出する。 Further, the eaves portion 152 of the present embodiment continuously extends from the upper end of the indoor side rail 123 to the outdoor side in the prospect direction.

これにより、庇部１５２が室内側レール１２３の上端から連続しているので、庇部１５２の高さを大きく確保でき、下枠１２に落下して跳ね返った水の室内側への侵入を効果的に防止することができる。また、ユーザが室内側レール１２３を踏んだとしても、庇部１５２が連続しているのでユーザの足との接触面積が大きくなり、痛みを緩和できる。 As a result, since the eaves 152 is continuous from the upper end of the indoor side rail 123, the height of the eaves 152 can be secured large, and the water that has fallen to the lower frame 12 and bounced off can effectively enter the indoor side. Can be prevented. Further, even if the user steps on the indoor rail 123, the contact area with the user's foot becomes large because the eaves 152 are continuous, and the pain can be alleviated.

また、本実施形態の庇部１５２は、室内側レール１２３に対して見込方向室外側のみに延出する。 Further, the eaves portion 152 of the present embodiment extends only to the outdoor side in the prospect direction with respect to the indoor side rail 123.

これにより、庇部１５２が見込方向室内側にないので、室内側レール１２３の清掃を容易に行うことができる。 As a result, since the eaves portion 152 is not located on the indoor side in the prospective direction, the indoor side rail 123 can be easily cleaned.

下框２２の下部には、室内側レール１２３の見込方向室内側に延びる框側庇部２２５を有する。 At the lower part of the lower stile 22, there is a stile side eaves portion 225 extending toward the indoor side in the prospective direction of the indoor side rail 123.

これにより、互い違いの方向に延びる庇部１５２と框側庇部２２５により、跳ね返った水や吹き込んだ水を遮る範囲を大きく確保でき、より一層水密性能を向上させることができる。 As a result, the eaves 152 and the stile-side eaves 225 extending in the alternating directions can secure a large range for blocking the bounced water and the blown water, and can further improve the watertightness performance.

また、本実施形態の下框２２の下面には、下框２２の室外側の下端部及び庇部１５２の上部の両方に接触する框側水切材７０が配置される。 Further, on the lower surface of the lower stile 22 of the present embodiment, a stile-side drainage material 70 that contacts both the lower end of the outdoor side of the lower stile 22 and the upper portion of the eaves 152 is arranged.

これにより、庇部１５２及び下框２２の室外側の下端部（框側庇部２２５）に付着した水が内障子２０の召内框２３に向かう動きが框側水切材７０によって遮られるので、構造上、水密性能が低くなり易い内障子２０端部での水密性の低下を防止できる。即ち、室内側への水の侵入防止と内障子２０端部での水密性の維持を両立できる。また、庇部１５２及び框側庇部２２５の面積を大きくすると、室内側への水の侵入をより効果的に防止できるものの表面張力によって水が残り易くなるが、框側水切材７０によって付着した水を取り除くことができるので、庇部１５２及び框側庇部２２５の面積を大きくして水の室内側への侵入を防止する性能をより一層向上させることができる。なお、框側水切材７０は、下框２２の室外側の下端部だけに接触する構成や庇部１５２の上部だけに接触する構成等、事情に応じてその形状を適宜変更することができる。 As a result, the movement of the water adhering to the lower end of the outdoor side of the eaves 152 and the lower stile 22 (the stile-side stile 225) toward the inner stile 23 of the shoji sash 20 is blocked by the stile-side drainage material 70. Due to the structure, it is possible to prevent the watertightness from being lowered at the end of the inner sash 20 where the watertightness tends to be low. That is, it is possible to both prevent water from entering the room and maintain watertightness at the end of the shoji screen 20. Further, if the areas of the eaves 152 and the stile side eaves 225 are increased, water can be more effectively prevented from entering the indoor side, but water tends to remain due to the surface tension, but the water is adhered by the stile side drainage material 70. Since water can be removed, the area of the eaves portion 152 and the stile side eaves portion 225 can be increased to further improve the performance of preventing water from entering the indoor side. The shape of the stile-side drainage member 70 can be appropriately changed depending on the circumstances, such as a configuration in which only the lower end portion of the outdoor side of the lower stile 22 is in contact with the eaves portion 152.

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.

上記実施形態では、庇部１５２が室内側レール１２３（レール部１５１）の上端部から連続して見込方向室外側に延出する構成であるが、この構成に限定されない。室内側レール１２３の室外側の見付面から見込方向室外側に庇部が延出する構成とすることもできる。 In the above embodiment, the eaves portion 152 is configured to continuously extend from the upper end portion of the indoor side rail 123 (rail portion 151) to the outdoor side in the prospect direction, but is not limited to this configuration. The eaves may extend from the finding surface on the outdoor side of the indoor rail 123 to the outdoor side in the prospecting direction.

上記実施形態では、庇部１５２が見込方向室外側のみに延出する構成であるが、この構成に限定されない。例えば、見込方向の室内外の両方に庇部が延び出る茸状に形成することもできる。 In the above embodiment, the eaves portion 152 extends only to the outside of the room in the prospective direction, but the configuration is not limited to this. For example, it can be formed in the shape of a mushroom in which the eaves extend both indoors and outdoors in the prospective direction.

１建具
１２下枠
２０内障子（障子）
２２下框
７０框側水切材
１２３室内側レール（レール）
１５２庇部
２２５框側庇部 1 Joinery 12 Lower frame 20 Internal shoji (shoji)
22 Lower stile 70 stile side drainage material 123 Indoor side rail (rail)
152 Eaves 225 Eaves on the stile side

Claims

In the lower frame having a rail and the fitting provided with a shoji that can slide with respect to the rail.
The lower stile of the shoji is formed so as to sandwich the upper part of the rail in the prospective direction.
The rail is formed with an eaves extending at least to the outside of the room in the prospective direction .
A fitting on which a stile-side drainage material that contacts at least one of the lower end portion of the outdoor side of the lower stile and the upper portion of the eaves portion is arranged on the lower surface of the lower stile .

The fitting according to claim 1, wherein the eaves portion continuously extends from the upper end of the rail to the outside of the room in the prospective direction.

The fitting according to claim 1 or 2, wherein the eaves extend only to the outside of the room in the prospective direction with respect to the rail.

The fitting according to any one of claims 1 to 3, wherein the lower part of the lower stile has a stile-side eaves extending toward the room in the prospective direction of the rail.