JP6037645B2 - Window opening limiter - Google Patents

Window opening limiter Download PDF

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Publication number
JP6037645B2
JP6037645B2 JP2012092073A JP2012092073A JP6037645B2 JP 6037645 B2 JP6037645 B2 JP 6037645B2 JP 2012092073 A JP2012092073 A JP 2012092073A JP 2012092073 A JP2012092073 A JP 2012092073A JP 6037645 B2 JP6037645 B2 JP 6037645B2
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shoji
arm
window frame
headed pin
window
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JP2013221276A (en
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一郎 渡邊
一郎 渡邊
慎一 齊藤
慎一 齊藤
聡 中塚
聡 中塚
山田 圭介
圭介 山田
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Shibutani Co Ltd
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Shibutani Co Ltd
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Description

本発明は、窓を予め定めた開度以上に開かないようにすることにより、幼児の転落防止や、狭所地での開度制限を図ることができるようにした窓の開度制限装置に関する。   The present invention relates to a window opening degree limiting device that prevents an infant from falling or limits the opening degree in a narrow place by preventing the window from opening more than a predetermined opening degree. .

従来のこの種の装置には、建物の躯体に取付けた枠体と、枠体に開閉自在に配置した窓体との間において、枠体にアームを枢着し、かつ窓体に、アームに設けた案内溝の基端部における大径の係脱部に係脱しうるようにしたピンを、切替スイッチの操作により、上記案内溝に係合しうる突出位置と、案内溝から離脱する退避位置とに出没しうるように設け、ピンを突出位置とした状態で、窓体を開くと、ピンと案内溝との係合により、アームが回動させられ、ピンが案内溝の先端に係合することにより、窓体のそれ以上の開きが阻止されるようになっている。   In this type of conventional device, an arm is pivotally attached to a frame body between a frame body attached to a building frame and a window body that is arranged to be openable and closable on the frame body. A projecting position at which a pin that can be engaged with and disengaged from a large-diameter engaging / disengaging portion at the base end portion of the provided guide groove can be engaged with the guide groove by operating a changeover switch, and a retracted position at which the pin is detached from the guide groove When the window is opened with the pin in the projecting position, the arm is rotated by the engagement between the pin and the guide groove, and the pin engages with the tip of the guide groove. As a result, further opening of the window is prevented.

また、アームにおける案内溝の先端に、ほぼ直角方向を向く係止部を設け、ここにピンが係合することにより、制限開度まで開いている窓体が、例えば強風にあおられても、不意に閉じられることがないようにしてある。
窓体を、上記の状態から閉じるには、切替スイッチとは別に、枠体に設けた操作スイッチにより、アームを回動させて、ピンを案内溝の係止部から離脱させ、その状態で、窓体を閉じるようになっている(例えば特許文献1参照)。
In addition, even if the window that is open to the limit opening degree is covered with a pin, for example, by a strong wind at the tip of the guide groove in the arm, the pin is engaged here. It is designed not to be closed unexpectedly.
To close the window from the above state, separately from the changeover switch, the arm is rotated by an operation switch provided on the frame, and the pin is detached from the locking portion of the guide groove. The window is closed (see, for example, Patent Document 1).

さらに、制限開度まで開いている窓体が、強風にあおられて、不意に閉じられるのを防止する手段として、上記のようなピンが、アームの先端部に設けたばね板に弾性係合し、保持されるようにしたものもある(例えば特許文献2参照)。   Further, as a means for preventing the window body that is open to the limit opening degree from being closed unexpectedly due to strong wind, the pin as described above is elastically engaged with the spring plate provided at the tip of the arm. There are some which are held (for example, see Patent Document 2).

特開2007−170127号公報JP 2007-170127 A 特開2005−256601号公報JP 2005-256601 A

特許文献1に記載されている装置においては、窓体に切替スイッチを設ける他に、枠体に操作スイッチを設けなければならず、構造が複雑になるだけでなく、操作が煩雑になるという問題がある。   In the apparatus described in Patent Document 1, in addition to providing a switch on the window body, an operation switch must be provided on the frame body, which not only complicates the structure but also complicates the operation. There is.

特許文献2に記載されている装置においては、ばね板によるピンの拘束力を大とすると、窓体を閉めにくくなり、逆に、上記拘束力を小とすると、わずかの風でも窓体が不意に閉まるおそれがあり、その調整が面倒であり、また、窓を全開可能状態と、開度制限状態とに切り換える切換ノブが、シール材を跨いで取付けられるので、シール性能が低下し、寒冷地においては、そこから流入した冷気によって、切換ノブが凍結し、作動不能となるおそれがある。   In the device described in Patent Document 2, if the restraining force of the pin by the spring plate is increased, it is difficult to close the window body. Conversely, if the restraining force is reduced, the window body is unexpected even in a slight wind. Adjustment is troublesome, and the switching knob for switching the window between the fully openable state and the opening limit state can be mounted across the sealing material. In this case, there is a possibility that the switching knob freezes due to the cold air flowing in from there and becomes inoperable.

本発明は、従来の技術が有する上記のような問題点に鑑みてなされたもので、単一の操作手段のみで、窓を全開可能状態と、開度制限状態とに切り換えることができるだけでなく、窓を制限開度まで開いた状態でロックおよびロック解除操作することができ、操作性を向上しうるとともに、構造を簡素化することができ、しかも、シール材を跨ぐことなく取付けることができ、もって、シール性能を維持し、寒冷地における凍結防止性能を維持しうるようにした窓の開度制限装置を提供することを目的としている。   The present invention has been made in view of the above-described problems of the prior art, and can be used not only to switch the window between a fully openable state and an opening limit state with a single operation means. Can be locked and unlocked with the window open to the limit opening, which can improve operability, simplify the structure, and can be installed without straddling the sealing material Accordingly, it is an object of the present invention to provide a window opening degree limiting device capable of maintaining sealing performance and maintaining freezing prevention performance in a cold region.

本発明によると、上記課題は、次のようにして解決される。
(1)窓枠と、この窓枠に、操作手段の所定の操作により、全閉位置から全開位置まで、自由に開閉操作することができるように装着されている障子との間に設けられ、前記障子の開度を制限する装置であって、軸部の先端に拡大頭部を有し、前記窓枠と障子との対向部のいずれか一方に、前記頭部が他方の対向面に向かって進退可能として設けられた有頭ピンと、前記窓枠と障子との対向部のいずれか一方に設けられ、かつ前記有頭ピンを進退させることができる操作手段であって、全閉位置から全開位置まで、自由に開閉操作することができる前記操作手段と単一に構成された操作手段と、前記窓枠と障子との対向部のいずれか他方に、先端部が障子の開閉方向に回動可能、かつそれと直交する方向に傾動可能として基端部が枢着され、前記障子を閉じた状態で、前記有頭ピンの頭部が進退可能とした拡大孔、およびこの拡大孔より先端部に向かって延出し、幅を前記有頭ピンの軸部の外形より大、かつ前記有頭ピンの頭部の外形より小としたガイド溝が設けられ、さらに前記ガイド溝の先端部と一方の側縁との間に、前記基端部に向かって漸次拡幅する楔状部が設けられ、障子を制限開度まで開いたとき、前記有頭ピンの軸部がガイド溝の先端部に係合して、障子のそれ以上の開きを阻止するようにしたアームと、前記有頭ピンに近接して、前記窓枠と障子との対向部のいずれか一方に設けられ、障子を制限開度まで開いた状態で、前記有頭ピンを引き込ませて、前記アームの先端部を前記対向部のいずれか一方寄りに傾動させたとき、前記アームの楔状部を、前記有頭ピンの軸部とともに挟んで、前記有頭ピンが前記アームの基端部側に移動するのを阻止するようにした突起と、前記窓枠と障子との対向部のいずれか他方に設けられ、前記アームを、その先端部が前記対向部のいずれか一方から離れる方向に付勢する付勢手段とを備えることを特徴とする窓の開度制限装置とする。
According to the present invention, the above problem is solved as follows.
(1) Provided between the window frame and a shoji that is attached to the window frame so that the window frame can be freely opened and closed from a fully closed position to a fully opened position by a predetermined operation of the operating means . a device for limiting the opening degree of the shoji, having an enlarged head at the distal end of the shaft portion, in one of the opposing portion between the window frame and the sash, the head toward the other opposing surface Operating means provided at either one of the headed pin provided so as to be capable of advancing and retreating and the facing portion of the window frame and the shoji, and capable of moving the headed pin forward and backward. The tip is pivoted in the opening / closing direction of the shoji on the other side of the operation means that can be freely opened and closed to the position, the operating means that is configured as a single unit, and the window frame and the shoji. The base end is pivotally attached so that it can be tilted in a direction perpendicular to it, In a state in which the shoji is closed, the head of the headed pin is capable of moving forward and backward, and extends from the enlarged hole toward the tip, and the width is larger than the outer shape of the shaft of the headed pin, And a guide groove that is smaller than the outer shape of the head of the headed pin, and a wedge-shaped portion that gradually widens toward the base end portion between the distal end portion and one side edge of the guide groove. An arm provided so that when the shoji is opened to a limit opening, the shaft portion of the headed pin engages the tip of the guide groove to prevent further opening of the shoji. Proximal to the pin, provided in one of the opposing portions of the window frame and the shoji, with the shoji open to the limit opening, the headed pin is pulled in, and the tip of the arm is When tilting toward one of the opposing parts, the wedge-shaped part of the arm is moved to the headed pin. The arm is provided on either the other end of the projection that prevents the headed pin from moving to the base end side of the arm, and the facing portion of the window frame and the shoji, sandwiched with the shaft portion. and the window opening-limiting device, characterized in that it comprises a biasing means that tip for urging in a direction away from one of the opposing portions.

このような構成とすると、操作手段により、有頭ピンを、アームの拡大孔から離脱した位置に保持しておくことにより、障子を、この開度制限装置に拘束されることなく、自由に全開位置まで開くことができる。
操作手段により、有頭ピンを、アームの拡大孔に嵌合させておくと、障子を開いたとき、有頭ピンの頭部がアームのガイド溝の側面に係合した状態で、有頭ピンの軸部がアームのガイド溝に沿って摺動しつつ、アームは回動させられ、有頭ピンの軸部がアームのガイド溝の先端に当接すると、障子は制限開度で停止させられ、それ以上開くことができなくなる。
この状態で、操作手段により、有頭ピンを引き込ませると、有頭ピンの拡大頭部によって、アームの先端部は、付勢手段の付勢力に抗して、窓枠と障子との対向部のいずれか一方に当接するまで傾動させられ、また、アームの楔状部は、有頭ピンの軸部と突起とにより挟まれて、障子の制限開度から閉方向への移動が阻止され(ロック状態)、強風等の煽りによる障子の閉止を防止することができる。
また、操作手段により、有頭ピンを進出させると、アームの先端部は、付勢手段の付勢力によって、上記突起から離脱する位置まで復帰傾動し(ロック解除状態)、それ以後は、有頭ピンの軸部が、ガイド溝に沿って上記と逆方向に摺動しつつ、アームが上記と逆方向に回動することにより、障子をもとの閉止状態まで閉めることができる。
このように、単一の操作手段のみで、窓を全開可能状態と、開度制限状態とに切り換えることができるだけでなく、窓を制限開度まで開いた状態でロックおよびロック解除操作することができ、操作性を向上することができる。
また、操作手段を一箇所に設けるだけでよいので、構造を簡素化することができ、しかも、シール材を跨ぐことなく各部材を取付けることができ、もって、シール性能を維持し、寒冷地における凍結防止性能を維持することができる。
With such a configuration, the shoji can be freely fully opened without being restrained by the opening restriction device by holding the headed pin in a position separated from the enlarged hole of the arm by the operating means. Can open to position.
If the headed pin is fitted into the enlarged hole of the arm by operating means, the headed pin will be engaged with the side of the arm guide groove when the shoji is opened. When the shaft part of the head is slid along the guide groove of the arm, the arm is rotated, and when the shaft part of the headed pin comes into contact with the tip of the guide groove of the arm, the shoji is stopped at the limit opening. , Can no longer open.
In this state, when the headed pin is retracted by the operating means, the distal end portion of the arm is opposed to the biasing force of the biasing means by the enlarged head of the headed pin, and the opposed portion of the window frame and the shoji. The wedge-shaped part of the arm is sandwiched between the shaft part of the headed pin and the protrusion, and the movement of the shoji in the closing direction is prevented (locking). State), the shoji can be prevented from closing due to a strong wind.
Further, when the headed pin is advanced by the operating means, the tip of the arm is tilted back to the position where it is detached from the projection by the biasing force of the biasing means (unlocked state), and thereafter the headed pin is While the shaft portion of the pin slides in the opposite direction along the guide groove, the arm rotates in the opposite direction, whereby the shoji can be closed to the original closed state.
In this way, the window can be switched between the fully openable state and the opening limit state only with a single operation means, and can be locked and unlocked with the window opened to the limit opening degree. And operability can be improved.
In addition, since it is only necessary to provide the operating means in one place, the structure can be simplified, and each member can be attached without straddling the sealing material. Freezing prevention performance can be maintained.

(2)上記(1)項において、窓枠と障子との対向部のいずれか一方に、有頭ピンが進退しうるようにしたガイド孔を設けた補強板を固着し、この補強板に突起を設ける。 (2) In the above item (1), a reinforcing plate provided with a guide hole for allowing the headed pin to advance and retreat is fixed to one of the opposing portions of the window frame and the shoji, and the protrusion is projected on the reinforcing plate. Is provided.

このような構成とすると、有頭ピンを安定よくガイドすることができるだけでなく、突起の支持強度を高め、開度制限状態での障子の保持力を高めることができる。   With such a configuration, not only can the headed pin be stably guided, but also the support strength of the protrusions can be increased, and the retention force of the shoji can be increased when the opening is limited.

(3)上記(1)または(2)項において、操作手段を、窓枠と障子とのいずれか一方の室内側の面に取付けられたケースと、前記ケースに回転可能として設けられ、かつ背面の偏心部に係合ピンが突設された回転つまみと、前記ケース内に、有頭ピンの進退方向と同方向に直線移動可能として収容され、室内側の面に、前記係合ピンが嵌合するようにした前記有頭ピンの進退方向と直交する方向を向く長孔が設けられ、かつ背面に、前記有頭ピンの中間部に設けた縮径部を把持する二股状の把持部が設けられ、前記回転つまみの回転に連動して、前記有頭ピンを進退させる移動部材とを備えるものとする。 (3) In the above item (1) or (2), the operation means is provided with a case attached to the indoor side surface of either the window frame or the shoji, and the case provided rotatably. A rotating knob having an engaging pin protruding from the eccentric portion of the head, and accommodated in the case so as to be linearly movable in the same direction as the headed pin's advance and retreat direction. A long hole facing in a direction perpendicular to the advancing and retreating direction of the headed pin is provided, and a bifurcated gripping part for gripping a reduced diameter part provided in an intermediate part of the headed pin is provided on the back surface. And a moving member that moves the headed pin back and forth in conjunction with the rotation of the rotary knob.

このような構成とすると、操作手段の構成を簡素化し、安価に製造することができる。   With such a configuration, the configuration of the operating means can be simplified and manufactured at low cost.

(4)上記(1)〜(3)項のいずれかにおいて、アームの基端部に設けた軸孔を、窓枠と障子との対向部のいずれか一方に突設した枢軸に遊嵌することにより、前記アームを枢軸の軸線回りに回動可能、かつ枢軸に対して傾動可能とし、さらに、付勢手段を、コイル部が前記枢軸に外嵌するようにして、前記窓枠と障子との対向部のいずれか一方と前記アームとの間に縮設され、前記コイル部の一方の端部から延出する延出端部が前記窓枠と障子との対向部のいずれか一方に係止され、かつ前記コイル部の他方の端部から延出する延出端部が前記アームに係止されることにより、前記アームを、先端部が前記窓枠と障子との対向部のいずれか一方に近接する基準位置に向かって付勢するようにしたねじりコイルばねとする。 (4) In any one of the above items (1) to (3), the shaft hole provided in the base end portion of the arm is loosely fitted to the pivot projecting at one of the opposing portions of the window frame and the shoji. Thus, the arm can be rotated around the axis of the pivot and can be tilted with respect to the pivot, and further, the urging means is arranged so that the coil portion is fitted on the pivot, and the window frame and the shoji One of the opposing parts of the coil part is contracted between the arm and the extended end part extending from one end part of the coil part is associated with one of the opposing parts of the window frame and the shoji. The extension end portion that is stopped and extends from the other end portion of the coil portion is locked to the arm, so that the arm is either one of the opposing portions of the window frame and the shoji. The torsion coil spring is configured to be biased toward a reference position close to one side.

このような構成とすると、1個のねじりコイルばねのみにより、アームに、枢軸の軸線回りの復帰回動力と、枢軸に対する復帰傾動力とを付与することができ、構造は簡素化されて、安価に製造することができる。   With such a configuration, only one torsion coil spring can provide the arm with a return turning force around the axis of the pivot and a return tilting force with respect to the pivot, and the structure is simplified and inexpensive. Can be manufactured.

本発明によると、単一の操作手段のみで、窓を全開可能状態と、開度制限状態とに切り換えることができるだけでなく、窓を制限開度まで開いた状態でロックおよびロック解除操作することができ、操作性を向上しうるとともに、構造を簡素化することができ、しかも、シール材を跨ぐことなく取付けることができ、もって、シール性能を維持し、寒冷地における凍結防止性能を維持しうるようにした窓の開度制限装置を提供することができる。   According to the present invention, the window can be switched between the fully openable state and the opening degree limited state with a single operation means, and the locking and unlocking operations can be performed with the window opened to the limited opening degree. It is possible to improve the operability, simplify the structure, and can be installed without straddling the seal material, maintaining the sealing performance and maintaining the anti-freezing performance in cold regions. It is possible to provide a window opening restriction device which can be made.

本発明の開度制限装置の一実施形態を備える窓を、制限開度まで開いたときの状態を、室内の斜め前方より見たときの概略斜視図である。It is a schematic perspective view when the window provided with one Embodiment of the opening degree restriction | limiting apparatus of this invention is seen from the diagonally forward direction of a room when it opens to a restriction opening degree. 同じく、窓の閉止時における開度制限装置装着部分の拡大正面図である。Similarly, it is an enlarged front view of the opening degree limiting device mounting portion when the window is closed. 図2のIIIーIII線横断平面図である。FIG. 3 is a cross-sectional plan view taken along line III-III in FIG. 2. 図2のIVーIV線縦断側面図である。It is the IV-IV line vertical side view of FIG. 図2のVーV線縦断側面図である。FIG. 5 is a vertical side view taken along line V-V in FIG. 2. 障子を制限開度まで開いたときにおける障子を、図2のVIーVI線で横断したときの平面図である。It is a top view when the shoji when the shoji is opened to the limit opening is crossed by the VI-VI line of FIG. 図6のVIIーVII線矢視図である。FIG. 7 is a view taken along line VII-VII in FIG. 6. 図7のVIIIーVIII線縦断正面図である。It is the VIII-VIII line vertical front view of FIG. 操作手段の分解斜視図である。It is a disassembled perspective view of an operation means.

以下、本発明の一実施形態を備える窓を、添付図面に基づいて説明する。
図1に示すように、この窓は、方形の窓枠1と、この窓枠1に開閉自在に装着された障子2と、窓枠1と障子2との間に設けられ、障子の開度を制限する開度制限装置3とを備えている。
Hereinafter, a window provided with one embodiment of the present invention is explained based on an accompanying drawing.
As shown in FIG. 1, this window is provided between a rectangular window frame 1, a shoji 2 attached to the window frame 1 so as to be opened and closed, and the window frame 1 and the shoji 2. And an opening degree limiting device 3 for limiting the above.

窓枠1は、左右方向を向く上枠4と下枠5との両端部同士を、上下方向を向く左右1対の側枠6、6をもって結合したものよりなっている。   The window frame 1 is formed by joining both ends of an upper frame 4 and a lower frame 5 facing in the left-right direction with a pair of left and right side frames 6 and 6 facing in the up-down direction.

障子2は、方形の窓框8に板ガラス7を嵌め込んでなり、窓框8は、左右方向を向く上框9と下框10との両端部同士を、上下方向を向く左右1対の側框11、11をもって結合したものよりなっている。
なお、左側の側框11は、左側の側枠6の後方にあるため、図1では表れていない。
The shoji 2 is formed by fitting a plate glass 7 into a rectangular window ridge 8, and the window ridge 8 has a pair of left and right sides facing an up and down direction between upper and lower ends 9 and 10 facing each other. It is composed of a combination of hooks 11 and 11.
In addition, since the left side rod 11 is behind the left side frame 6, it does not appear in FIG.

障子2は、図1では表れていない左方の側框11の上下部を、上下方向を向くヒンジ軸を有する上下1対のヒンジ(図示略)をもって、窓枠1の左方の側枠6に枢着され、ヒンジを中心として、右側部が、窓枠1に対して、図1における後方である室外側に向かって開閉しうるようになっている。   The shoji 2 has a pair of upper and lower hinges (not shown) having hinge shafts facing in the vertical direction on the upper and lower portions of the left side fence 11 not shown in FIG. 1, with the hinge as the center, the right side can be opened and closed with respect to the window frame 1 toward the outdoor side, which is the rear in FIG. 1.

障子2における右方の開き側の側框11の前面中央よりやや下部には、ハンドル12が設けられている。このハンドル12を回動させることにより、障子2を閉止状態でロックしたり、ロック解除したりしうるようになっているが、その構成は、本発明には直接関係しないので、それについての詳細な説明および図示は省略する。   A handle 12 is provided slightly below the front center of the side opening 11 on the right side of the shoji 2. By rotating the handle 12, the shoji 2 can be locked or unlocked in the closed state, but the configuration is not directly related to the present invention, and the details thereof will be described. Detailed description and illustration are omitted.

開度制限装置3は、窓枠1における右方の側枠6と、障子2における右方の側框11との間に設けられている。
すなわち、図2〜図9に示すように、開度制限装置3は、軸部13aの先端に拡大頭部13bを有し、右方の側框11における上下方向の中間部に、右方の側枠6の対向面に向かって左右方向に進退可能として設けられた有頭ピン13と、右方の側框11に設けられ、かつ有頭ピン13を進退させる操作手段14と、有頭ピン13に対向する右方の側枠6の内側面に固着した取付板15に、枢軸16をもって上端部が枢着されたアーム17とを備えている。
The opening restriction device 3 is provided between the right side frame 6 in the window frame 1 and the right side frame 11 in the shoji 2.
That is, as shown in FIGS. 2 to 9, the opening degree limiting device 3 has an enlarged head 13 b at the tip of the shaft portion 13 a, and a right-side intermediate portion in the up-down direction of the right-side scissors 11. A headed pin 13 provided so as to be capable of moving back and forth in the left-right direction toward the opposing surface of the side frame 6, an operating means 14 provided on the right side rod 11 for moving the headed pin 13 forward and backward, and a headed pin A mounting plate 15 fixed to the inner side surface of the right side frame 6 facing 13 is provided with an arm 17 having an upper end pivotally attached thereto with a pivot 16.

図2および図4に示すように、取付板15は、上下方向を向く取付片15aの上下部に設けた上下方向に長い長孔18aを挿通する固定ねじ18bをもって、側枠6の内側面に、上下方向の取付位置調節可能として固着されている。
取付片15aの前縁および上下の縁には、前片15b、上片15cおよび下片15dが、それぞれ直角に折曲形成されている。
As shown in FIGS. 2 and 4, the mounting plate 15 has a fixing screw 18 b that is inserted in the upper and lower portions of the mounting piece 15 a facing in the vertical direction and passes through the long hole 18 a that is long in the vertical direction, on the inner surface of the side frame 6. The upper and lower mounting positions can be adjusted.
A front piece 15b, an upper piece 15c and a lower piece 15d are bent at right angles on the front edge and the upper and lower edges of the mounting piece 15a, respectively.

アーム17は、その上端部(基端部)に設けられ、取付板15の取付片15aに突設した枢軸16の軸部16aの外径より大径で、かつ軸部16aの先端に形成した拡径頭部16bの外径より小径とした軸孔19を、枢軸16の軸部16aに遊嵌することにより、閉扉時には下方を向く先端部が、障子2の開閉方向である前後方向に回動可能、かつそれと直交する方向に傾動可能として取付板15に枢着されている。   The arm 17 is provided at the upper end portion (base end portion) of the arm 17 and has a diameter larger than the outer diameter of the shaft portion 16a of the pivot shaft 16 protruding from the mounting piece 15a of the mounting plate 15 and is formed at the tip of the shaft portion 16a. By freely fitting the shaft hole 19 having a diameter smaller than the outer diameter of the enlarged head portion 16b to the shaft portion 16a of the pivot shaft 16, the tip portion facing downward when the door is closed is rotated in the front-rear direction which is the opening / closing direction of the shoji 2 It is pivotally attached to the mounting plate 15 so as to be movable and tiltable in a direction perpendicular thereto.

付勢手段であるねじりコイルばね20は、コイル部20aを、枢軸16の軸部16aに外嵌するようにして、取付片15aとアーム17との間に縮設し、コイル部20aの一方の端部から接線方向に延出する延出端部20bを、取付板15の前片15bの後面に係止し、かつコイル部20aの他方の端部から接線方向に延出する延出端部20cを、アーム17の上部後縁に係止してある。   The torsion coil spring 20 that is an urging means is configured such that the coil portion 20a is externally fitted to the shaft portion 16a of the pivot 16 so as to be contracted between the mounting piece 15a and the arm 17, and one of the coil portions 20a. An extended end 20b that extends in the tangential direction from the end is engaged with the rear surface of the front piece 15b of the mounting plate 15 and extends in the tangential direction from the other end of the coil portion 20a. 20 c is locked to the upper rear edge of the arm 17.

ねじりコイルばね20のコイル部20aは、取付片15aとアーム17との間において圧縮コイルばねとして作用し、アーム17を枢軸16の拡径頭部16bに圧接するように付勢し、それによって、アーム17は、常時は枢軸16の拡径頭部16bに圧接し、枢軸16と直交する方向を向いているが、先端部が外力により左右いずれかの方向に傾動させられた場合でも、外力が解除されたときは、枢軸16と直交する位置に復帰傾動させられるようになっている。   The coil portion 20a of the torsion coil spring 20 acts as a compression coil spring between the mounting piece 15a and the arm 17, and urges the arm 17 so as to be pressed against the enlarged head portion 16b of the pivot 16, thereby The arm 17 is normally in pressure contact with the enlarged head 16b of the pivot 16 and faces in a direction orthogonal to the pivot 16, but even when the tip is tilted in the left or right direction by an external force, the external force is not applied. When released, it is tilted back to a position orthogonal to the pivot 16.

また、ねじりコイルばね20は、その延出端部20bを、取付板15の前片15bの後面に係止し、かつ延出端部20cを、アーム17の上部後縁に係止してあることにより、アーム17を、枢軸16を中心として、図4における反時計回りにも付勢している。   The torsion coil spring 20 has its extended end 20 b locked to the rear surface of the front piece 15 b of the mounting plate 15, and the extended end 20 c locked to the upper rear edge of the arm 17. As a result, the arm 17 is also urged counterclockwise in FIG.

したがって、アーム17は、ねじりコイルばね20により、枢軸16を中心として、図4における反時計回りに付勢されているだけでなく、枢軸16と直交する位置に復帰傾動させられるようにも付勢され、常時は、先端部が下方を向き、前縁が取付板15の前片15bに当接し、かつ全体が枢軸16と直交し、右方の側枠6の内側面とほぼ平行をなす、図2に破線で、かつ図4に実線で示す基準位置に位置するように、枢軸16を中心とする回動方向と、枢軸16に対する傾動方向とに付勢されている。
また、障子2を制限開度まで開いたときは、アーム17は、ねじりコイルばね20により、図6に実線で示すように、先端部が障子2の外側面に密接している状態から、同じく2点鎖線で示すように、障子2の外側面から離れる方向に傾動するようにも付勢されている。
Accordingly, the arm 17 is not only biased counterclockwise in FIG. 4 by the torsion coil spring 20 around the pivot axis 16, but is also biased so as to be tilted back to a position orthogonal to the pivot axis 16. Normally, the front end portion faces downward, the front edge contacts the front piece 15b of the mounting plate 15, and the whole is orthogonal to the pivot 16 and is substantially parallel to the inner surface of the right side frame 6. 2 is urged in a rotation direction about the pivot 16 and a tilting direction with respect to the pivot 16 so as to be located at a reference position indicated by a broken line in FIG. 2 and a solid line in FIG.
When the shoji 2 is opened to the limit opening degree, the arm 17 is also in a state where the tip is in close contact with the outer surface of the shoji 2 as shown by the solid line in FIG. As indicated by a two-dot chain line, the urging is also applied to tilt in a direction away from the outer surface of the shoji 2.

アーム17における軸孔19より若干下方の部分には、障子2を閉じた状態で、有頭ピン13の拡大頭部13bが進退しうるようにした拡大孔21が設けられている。
また、アーム17における拡大孔21からアーム17の先端部にかけては、幅を有頭ピン13の軸部13aの外径より大、かつ有頭ピン13の拡大頭部13bの外径より小とし、かつ拡大孔21から後方に延出した後、下方に向かって円弧状に湾曲するガイド溝22が設けられている。
A portion of the arm 17 slightly below the shaft hole 19 is provided with an enlarged hole 21 that allows the enlarged head 13b of the headed pin 13 to advance and retract with the shoji 2 closed.
Further, from the enlarged hole 21 in the arm 17 to the tip of the arm 17, the width is larger than the outer diameter of the shaft portion 13 a of the headed pin 13 and smaller than the outer diameter of the enlarged head 13 b of the headed pin 13, In addition, a guide groove 22 is provided which extends rearward from the enlarged hole 21 and then curves downward in an arc shape.

さらに、アーム17におけるガイド溝22の先端部とアーム17の前縁との間には、基端部である上方に向かって漸次拡幅する楔状部23が設けられている。   Further, a wedge-shaped portion 23 is provided between the distal end portion of the guide groove 22 in the arm 17 and the front edge of the arm 17 so as to gradually widen upward, which is the base end portion.

図2に破線で示すように、アーム17の先端寄りの部分は、障子2を制限開度まで開いたとき、図6に示すように、アーム17の先端部が障子2の側框11の外側面になじむように、円弧状に湾曲させてある。   As shown by a broken line in FIG. 2, when the shoji 2 is opened to the limit opening degree, the tip portion of the arm 17 is located outside the scissors 11 of the shoji 2 as shown in FIG. 6. It is curved in an arc shape so as to fit the side surface.

図5および図9に示すように、操作手段14は、障子2における右方の側框11の前面に、上下1対の固定ねじ24をもって固着された、後面が開口する直方体状のケース25と、このケース25に回転可能として設けられ、かつ背面の偏心部に係合ピン26が突設された回転つまみ27と、ケース25内に、有頭ピン13の進退方向と同じ左右方向に直線移動可能として収容され、前面に、係合ピン26が嵌合するようにした上下方向を向く長孔28が設けられ、かつ背面に、側框11の前面に設けた窓孔29を通って、側框11内に進入し、有頭ピン13の基端寄りの中間部に設けた縮径部13cを把持する二股状の把持部30が設けられ、回転つまみ27の回転に連動して、有頭ピン13を左右方向に進退させる移動部材31と、ケース25の後面開口部を閉塞する後面カバー32とを備えている。   As shown in FIGS. 5 and 9, the operation means 14 includes a rectangular parallelepiped case 25 that is fixed to the front surface of the right side arm 11 of the shoji 2 with a pair of upper and lower fixing screws 24 and has an open rear surface. Rotating knob 27 provided on case 25 so as to be rotatable and having an engaging pin 26 projecting from an eccentric part on the back, and linearly moving in the same lateral direction as the heading pin 13 in the case 25 It is accommodated as possible, and a vertically long slot 28 is provided on the front surface so that the engagement pin 26 can be fitted, and on the back surface, a window hole 29 provided on the front surface of the side rod 11 passes through the side. A bifurcated gripping portion 30 is provided that enters the flange 11 and grips the reduced diameter portion 13c provided at the intermediate portion near the proximal end of the headed pin 13, and in conjunction with the rotation of the rotary knob 27, A moving member 31 for moving the pin 13 back and forth in the left-right direction; And a rear surface cover 32 for closing the rear opening 25.

ケース25のほぼ中央には、円形孔33と、その後方の拡径段孔34とが連続して設けられ、拡径段孔34の外周の対向する2箇所には、円弧状の凹入部35が設けられている。   A circular hole 33 and a diameter-expanded step hole 34 behind the circular hole 33 are continuously provided substantially at the center of the case 25, and arc-shaped recessed portions 35 are provided at two opposing positions on the outer periphery of the diameter-expanded step hole 34. Is provided.

回転つまみ27は、円板部27aの後部に拡径段部27bを備え、円板部27aの前面に、ケース25の前面より前方に板状に突出するつまみ部27cが突設され、円板部27aがケース25の円形孔33に、かつ拡径段部27bがケース25の拡径段孔34にそれぞれ回転可能として嵌合されている。   The rotary knob 27 includes an enlarged diameter step portion 27b at the rear portion of the disk portion 27a, and a knob portion 27c protruding in a plate shape in front of the front surface of the case 25 is provided on the front surface of the disk portion 27a. The portion 27a is fitted into the circular hole 33 of the case 25 and the diameter-expanded step portion 27b is fitted to the diameter-expanded step hole 34 of the case 25 so as to be rotatable.

拡径段部27bの外周面の対応する2箇所には、同一回転方向に屈曲させられた弾性舌片36が設けられ、各弾性舌片36が、ケース25の拡径段孔34に設けられた凹入部35に嵌合しているときは、回転つまみ27は、ケース25に安定よく保持され、回転つまみ27をそれ以外の位置に回転させたときは、弾性舌片36は拡径段孔34の内周面に圧接し、回転つまみ27の回転操作に適度の抵抗力を付与するようになっている。   Elastic tongues 36 bent in the same rotational direction are provided at two corresponding positions on the outer peripheral surface of the enlarged diameter step portion 27 b, and each elastic tongue piece 36 is provided in the enlarged diameter step hole 34 of the case 25. When the rotary knob 27 is stably held by the case 25 when it is fitted in the recessed portion 35, and the rotary knob 27 is rotated to any other position, the elastic tongue piece 36 has an enlarged stepped hole. 34 is in pressure contact with the inner peripheral surface of the rotary knob 27 to give an appropriate resistance to the rotation operation of the rotary knob 27.

回転つまみ27における弾性舌片36と係合ピン26との位置関係は、両弾性舌片36が上下の凹入部35に嵌合しているとき、係合ピン26が、その回転軌跡の左限か右限に位置するようにしてある。それによって、係合ピン26が長孔28に係合している移動部材31が、有頭ピン13を左限において保持する位置と、右限において保持する位置とにおいて、安定よく保持され、その中間位置においては、移動部材31および有頭ピン13の左右方向の移動に適度の抵抗力が付与されるようになっている。   The positional relationship between the elastic tongue piece 36 and the engagement pin 26 in the rotary knob 27 is such that when the both elastic tongue pieces 36 are fitted in the upper and lower recessed portions 35, the engagement pin 26 has the left limit of its rotation locus. It is located in the right limit. Accordingly, the moving member 31 in which the engagement pin 26 is engaged with the long hole 28 is stably held at the position where the headed pin 13 is held in the left limit and the position where the head pin 13 is held in the right limit. At the intermediate position, an appropriate resistance force is applied to the movement of the moving member 31 and the headed pin 13 in the left-right direction.

後面カバー32には、移動部材31の把持部30が、左限から右限まで移動可能として挿通する窓孔37が設けられている。
後面カバー32は、その上縁および下縁における左右の両側部に設けられた前方を向く弾性係合爪38を、ケース25の上下部に設けられた左右方向を向くリブ25aの両側部に設けた係合孔39に係止することにより、ケース25の後面に装着され、ケース25を側框11に取付ける前に、回転つまみ27および移動部材31がケース25から脱落するのを防止するようにしてある。
The rear cover 32 is provided with a window hole 37 through which the grip portion 30 of the moving member 31 can be moved from the left limit to the right limit.
The rear cover 32 is provided with elastic engagement claws 38 provided on the left and right sides of the upper edge and the lower edge thereof facing forward, on both sides of the rib 25a facing the left and right direction provided on the upper and lower portions of the case 25. By engaging with the engagement hole 39, the rotary knob 27 and the moving member 31 are prevented from falling off the case 25 before being attached to the rear surface of the case 25 and attaching the case 25 to the side rod 11. It is.

ケース25と回転つまみ27と移動部材31と後面カバー32とにより、操作手段14が形成されている。   The case 25, the rotary knob 27, the moving member 31, and the rear cover 32 form the operation means 14.

図6〜図8に示すように、有頭ピン13が突出している側框11の外側面には、有頭ピン13が進退しうるようにしたガイド孔40を設けた補強板41が固着されている。
この補強板41には、ガイド孔40と連通し、かつ側框11の外側壁を貫通して、側框11内に進入するガイド筒42が一体的に形成されている。
As shown in FIGS. 6 to 8, a reinforcing plate 41 provided with a guide hole 40 that allows the headed pin 13 to advance and retreat is fixed to the outer surface of the side bar 11 from which the headed pin 13 protrudes. ing.
The reinforcing plate 41 is integrally formed with a guide tube 42 that communicates with the guide hole 40 and penetrates the outer wall of the side rod 11 and enters the side rod 11.

補強板41の外側面におけるガイド孔40より下方の部分には、前後方向を向く突起43が設けられている。
この補強板41におけるガイド孔40の下縁から突起43の上面までの距離は、アーム17における楔状部23の最も狭い部分の幅とほぼ等しいか、それよりわずかに大としてある。
A protrusion 43 facing in the front-rear direction is provided on a portion of the outer surface of the reinforcing plate 41 below the guide hole 40.
The distance from the lower edge of the guide hole 40 in the reinforcing plate 41 to the upper surface of the protrusion 43 is approximately equal to or slightly larger than the width of the narrowest portion of the wedge-shaped portion 23 in the arm 17.

図3に示すように、障子2を閉じたときにおける窓枠1と障子2との気密性を高めるため、窓枠1の室外側の面である後面に対向する障子2の窓框8の外周部の前面と、障子2の室内側における窓框8の外周部の前面に対向する窓枠1の内周部の後面とには、シール材44、45が、全周に亘って設けられている。   As shown in FIG. 3, in order to improve the airtightness of the window frame 1 and the shoji 2 when the shoji 2 is closed, the outer periphery of the window ledge 8 of the shoji 2 facing the rear surface, which is the outdoor surface of the window frame 1 Sealing materials 44 and 45 are provided over the entire circumference on the front surface of the door portion and the rear surface of the inner peripheral portion of the window frame 1 facing the front surface of the outer peripheral portion of the window cage 8 on the indoor side of the shoji 2. Yes.

この開度制限装置3によると、操作手段14により、有頭ピン13を、その拡大頭部13bが補強板41の外側面に当接するか、または近接する左限に位置させられているときは、拡大頭部13bは、アーム17の拡大孔21より窓の内方に離間しており、この状態では、障子2は、開度制限装置3に妨げられることなく、全閉位置から全開位置まで、自由に開閉することができる。   According to this opening restriction device 3, when the headed pin 13 is positioned by the operating means 14 at the left limit where the enlarged head 13b abuts on the outer surface of the reinforcing plate 41 or is close thereto. The enlarged head 13b is spaced inward of the window from the enlarged hole 21 of the arm 17, and in this state, the shoji 2 is not obstructed by the opening restriction device 3 and from the fully closed position to the fully open position. Can be opened and closed freely.

障子2が閉じている状態で、操作手段14により、有頭ピン13を右限まで進出させると、その拡大頭部13bは、アーム17の拡大孔21内に進入し、その状態で障子2を開くと、有頭ピン13の軸部13aが、アーム17の拡大孔21からガイド溝22の後縁に摺接して、アーム17を、ねじりコイルばね20の付勢力に抗して、枢軸16を中心として後方に回動させる。   When the shoji 2 is closed, when the headed pin 13 is advanced to the right limit by the operating means 14, the enlarged head 13 b enters the enlarged hole 21 of the arm 17, and the shoji 2 is moved in this state. When opened, the shaft portion 13a of the headed pin 13 comes into sliding contact with the rear edge of the guide groove 22 from the enlarged hole 21 of the arm 17, and the arm 17 is resisted against the urging force of the torsion coil spring 20, and the pivot 16 is moved. Turn backward as the center.

このとき、有頭ピン13の拡大頭部13bは、アーム17の外側面に摺接または近接し、有頭ピン13がガイド溝22から脱落するのを防止する。   At this time, the enlarged head 13 b of the headed pin 13 is in sliding contact with or close to the outer surface of the arm 17 to prevent the headed pin 13 from falling out of the guide groove 22.

障子2が制限開度まで開かれると、図6に2点鎖線で示すように、有頭ピン13の軸部13aが、アーム17のガイド溝22の先端に当接し、それ以上の障子2の開きが阻止される。   When the shoji 2 is opened to the limit opening, as shown by a two-dot chain line in FIG. 6, the shaft portion 13 a of the headed pin 13 comes into contact with the tip of the guide groove 22 of the arm 17, so Opening is prevented.

このままの状態では、強風等により、障子2が煽られると、有頭ピン13の軸部13aがアーム17のガイド溝22を上記と逆の経路を辿ることにより、アーム17が、ねじりコイルばね20の付勢力によって、元の下向きの基準位置まで復帰させられ、障子2は閉止させられる。   In this state, when the shoji 2 is beaten by a strong wind or the like, the shaft portion 13a of the headed pin 13 follows the guide groove 22 of the arm 17 along the reverse path to the above, so that the arm 17 is rotated by the torsion coil spring 20. Is returned to the original downward reference position, and the shoji 2 is closed.

このような強風等による障子2の閉止を防止するには、障子2が制限開度まで開いている状態で、操作手段14により、有頭ピン13を左限方向に移動させ、有頭ピン13の拡大頭部13bにより、アーム17の先端部を、ねじりコイルばね20におけるコイル部20aの付勢力に抗して、窓の内方に向かって傾動させ、図6に実線で示すように、補強板41の外側面に当接させるか、または近接させる。   In order to prevent the shoji 2 from closing due to such strong winds, the headed pin 13 is moved in the left limit direction by the operating means 14 while the shoji 2 is opened to the limit opening degree. With the enlarged head 13b, the tip of the arm 17 is tilted inward of the window against the urging force of the coil portion 20a in the torsion coil spring 20, and is reinforced as shown by a solid line in FIG. The outer surface of the plate 41 is brought into contact with or close to the outer surface.

すると、アーム17の楔状部23の最狭幅部が、有頭ピン13と突起43とにより上下から挟まれ、有頭ピン13がガイド溝22に沿って、拡大孔21側に復帰移動するのが阻止され、それによって、障子2の制限開度から閉方向への移動が阻止され(ロック状態)、強風の煽り等による障子の閉止が防止される。   Then, the narrowest width portion of the wedge-shaped portion 23 of the arm 17 is sandwiched from above and below by the headed pin 13 and the protrusion 43, and the headed pin 13 moves back along the guide groove 22 toward the enlarged hole 21. Accordingly, the movement of the shoji 2 in the closing direction from the restricted opening degree is prevented (locked state), and the closing of the shoji due to a strong wind or the like is prevented.

この状態から、障子2を閉めたい場合には、操作手段14により、有頭ピン13を右限まで進出させる。すると、アーム17の先端部は、ねじりコイルばね20におけるコイル部20aの付勢力により、図6に2点鎖線で示すように、窓の外側方に向かって傾動させられる。   When it is desired to close the shoji 2 from this state, the headed pin 13 is advanced to the right limit by the operating means 14. Then, the distal end portion of the arm 17 is tilted toward the outside of the window as indicated by a two-dot chain line in FIG. 6 by the urging force of the coil portion 20 a in the torsion coil spring 20.

その状態で、ハンドル12をもって、障子2を閉方向に回動させると、有頭ピン13の軸部13aは、アーム17のガイド溝22を上記と逆の経路を辿り、アーム17が、ねじりコイルばね20の付勢力によって、元の下向きの基準位置まで復帰させられ、障子2を閉止位置まで軽力で閉じることができる。   In this state, when the shoji 2 is rotated in the closing direction with the handle 12, the shaft portion 13a of the headed pin 13 follows the guide groove 22 of the arm 17 along the reverse path to the above, and the arm 17 By the biasing force of the spring 20, the original downward reference position can be restored, and the shoji 2 can be closed to the closing position with a light force.

したがって、単一の操作手段14のみで、窓を全開可能状態と、開度制限状態とに切り換えることができるだけでなく、窓を制限開度まで開いた状態でロックおよびロック解除操作することができ、操作性を向上することができる。
また、操作手段14を一箇所に設けるだけでよいので、構造を簡素化することができ、しかも、シール材44、45を跨ぐことなく、各部材を取付けることができるので、優れたシール性能を発揮し、かつ寒冷地における凍結防止性能を維持することができる。
Accordingly, the window can be switched between the fully openable state and the opening degree limited state with only a single operating means 14, and can be locked and unlocked with the window opened to the limited opening degree. The operability can be improved.
Moreover, since it is only necessary to provide the operating means 14 in one place, the structure can be simplified, and each member can be attached without straddling the sealing materials 44 and 45, so that excellent sealing performance is achieved. Demonstrate and maintain anti-freezing performance in cold regions.

なお、操作手段14は、上記のようなケース25と回転つまみ27と移動部材31と後面カバー32とからなるものだけでなく、有頭ピン13を進退させうるものであれば、どのような構成のものでもよい。   The operation means 14 is not limited to the configuration including the case 25, the rotary knob 27, the moving member 31, and the rear cover 32 as described above, but may be any configuration as long as the headed pin 13 can be advanced and retracted. It may be.

また、本発明は、上記実施形態のみに限定されるものではなく、特許請求の範囲を逸脱しない範囲で、例えば次のような変形した態様での実施が可能である。
(1) 有頭ピン13とその操作手段14とを、窓枠1に設け、アーム17を、有頭ピン13に対向する障子2の側框11に設ける。
(2) 横辷り出し窓における窓枠の下枠と障子の下框との間、同じく窓枠の側枠と側框との間に、開度制限装置3を設ける。
(3) 縦辷り出し窓における窓枠の下枠と障子の下框との間、同じく窓枠の上枠と障子の上框との間、同じく戸先側の窓枠の側枠と障子の側框との間に、開度制限装置3を設ける。
The present invention is not limited to the above-described embodiment, and can be implemented in the following modified mode, for example, without departing from the scope of the claims.
(1) The headed pin 13 and its operating means 14 are provided on the window frame 1, and the arm 17 is provided on the side arm 11 of the shoji 2 facing the headed pin 13.
(2) The opening degree limiting device 3 is provided between the lower frame of the window frame and the lower frame of the shoji in the lateral window, and between the side frame and the side frame of the window frame.
(3) Between the lower frame of the window frame and the lower arm of the shoji in the vertical window, the same between the upper frame of the window frame and the upper arm of the shoji, and the side frame of the door frame and the shoji An opening degree limiting device 3 is provided between the side rods.

1 窓枠
2 障子
3 開度制限装置
4 上枠
5 下枠
6 側枠
7 板ガラス
8 窓框
9 上框
10 下框
11 側框
12 ハンドル
13 有頭ピン
13a軸部
13b拡大頭部
13c縮径部
14 操作手段
15 取付板
15a取付片
15b前片
15c上片
15d下片
16 枢軸
16a軸部
16b拡径頭部
17 アーム
18a長孔
18b固定ねじ
19 軸孔
20 ねじりコイルばね
20aコイル部
20b、20c延出端部
21 拡大孔
22 ガイド溝
23 楔状部
24 固定ねじ
25 ケース
25aリブ
26 係合ピン
27 回転つまみ
27a円板部
27b拡径段部
27cつまみ部
28 長孔
29 窓孔
30 把持部
31 移動部材
32 後面カバー
33 円形孔
34 拡径段孔
35 凹入部
36 弾性舌片
37 窓孔
38 弾性係合爪
39 係合孔
40 ガイド孔
41 補強板
42 ガイド筒
43 突起
44、45 シール材
DESCRIPTION OF SYMBOLS 1 Window frame 2 Shoji 3 Opening limit device 4 Upper frame 5 Lower frame 6 Side frame 7 Sheet glass 8 Window jar 9 Upper ridge 10 Lower ridge 11 Side ridge 12 Handle 13 Headed pin 13a Shaft portion 13b Expansion head portion 13c Reduced diameter portion 14 operating means 15 mounting plate 15a mounting piece 15b front piece 15c upper piece 15d lower piece 16 pivot shaft 16a shaft portion 16b enlarged diameter head 17 arm 18a long hole 18b fixing screw 19 shaft hole 20 torsion coil spring 20a coil portions 20b, 20c Outlet portion 21 Enlarged hole 22 Guide groove 23 Wedge-shaped portion 24 Fixing screw 25 Case 25a Rib 26 Engagement pin 27 Rotating knob 27a Disk portion 27b Expanded stepped portion 27c Knob portion 28 Long hole 29 Window hole 30 Holding portion 31 Moving member 32 Rear cover 33 Circular hole 34 Expanded step hole 35 Recessed portion 36 Elastic tongue piece 37 Window hole 38 Elastic engagement claw 39 Engagement hole 40 Guide hole 41 Reinforcement plate 42 Guide tube 43 Caused 44 and 45 sealing material

Claims (4)

窓枠と、この窓枠に、操作手段の所定の操作により、全閉位置から全開位置まで、自由に開閉操作することができるように装着されている障子との間に設けられ、前記障子の開度を制限する装置であって、
軸部の先端に拡大頭部を有し、前記窓枠と障子との対向部のいずれか一方に、前記頭部が他方の対向面に向かって進退可能として設けられた有頭ピンと、
前記窓枠と障子との対向部のいずれか一方に設けられ、かつ前記有頭ピンを進退させることができる操作手段であって、全閉位置から全開位置まで、自由に開閉操作することができる前記操作手段と単一に構成された操作手段と、
前記窓枠と障子との対向部のいずれか他方に、先端部が障子の開閉方向に回動可能、かつそれと直交する方向に傾動可能として基端部が枢着され、前記障子を閉じた状態で、前記有頭ピンの頭部が進退可能とした拡大孔、およびこの拡大孔より先端部に向かって延出し、幅を前記有頭ピンの軸部の外形より大、かつ前記有頭ピンの頭部の外形より小としたガイド溝が設けられ、さらに前記ガイド溝の先端部と一方の側縁との間に、前記基端部に向かって漸次拡幅する楔状部が設けられ、障子を制限開度まで開いたとき、前記有頭ピンの軸部がガイド溝の先端部に係合して、障子のそれ以上の開きを阻止するようにしたアームと、
前記有頭ピンに近接して、前記窓枠と障子との対向部のいずれか一方に設けられ、障子を制限開度まで開いた状態で、前記有頭ピンを引き込ませて、前記アームの先端部を前記対向部のいずれか一方寄りに傾動させたとき、前記アームの楔状部を、前記有頭ピンの軸部とともに挟んで、前記有頭ピンが前記アームの基端部側に移動するのを阻止するようにした突起と、
前記窓枠と障子との対向部のいずれか他方に設けられ、前記アームを、その先端部が前記対向部のいずれか一方から離れる方向に付勢する付勢手段
とを備えることを特徴とする窓の開度制限装置。
And window frame, on the window frame, by a predetermined operation of the operating means, from the fully closed position to the fully open position, is provided between the sash that is mounted so that it can be freely opened and closed, the shoji A device for limiting the opening,
A headed pin that has an enlarged head at the tip of the shaft, and is provided on any one of the facing parts of the window frame and the shoji so that the head can move forward and backward toward the other facing surface;
An operating means provided on either one of the facing parts of the window frame and the shoji and capable of moving the headed pin forward and backward, and can be freely opened and closed from the fully closed position to the fully open position. An operating means configured in a single manner with the operating means ;
A state in which the base end is pivotally attached to the other of the opposing portions of the window frame and the shoji so that the tip can be rotated in the opening / closing direction of the shoji and can be tilted in a direction perpendicular thereto, and the shoji is closed And an enlarged hole in which the head of the headed pin can move forward and backward, and extends from the enlarged hole toward the tip, and has a width larger than the outer shape of the shaft part of the headed pin, and A guide groove that is smaller than the outer shape of the head is provided, and a wedge-shaped part that gradually widens toward the base end is provided between the distal end of the guide groove and one side edge to limit the shoji. When opened to an opening, the arm of the headed pin is engaged with the tip of the guide groove to prevent further opening of the shoji,
Proximal to the headed pin, provided at either one of the facing parts of the window frame and the shoji, with the shoji open to the limit opening, the headed pin is pulled in, and the tip of the arm When the portion is tilted toward one of the opposing portions, the headed pin moves to the proximal end side of the arm with the wedge-shaped portion of the arm sandwiched with the shaft portion of the headed pin. A protrusion designed to prevent
It is provided in any one of the opposing parts of the window frame and the shoji, and includes an urging means for urging the arm in a direction in which a tip part thereof is separated from any one of the opposing parts. Window opening limiter.
窓枠と障子との対向部のいずれか一方に、有頭ピンが進退しうるようにしたガイド孔を設けた補強板を固着し、この補強板に突起を設けた請求項1記載の窓の開度制限装置。   The window according to claim 1, wherein a reinforcing plate provided with a guide hole for allowing the headed pin to advance and retreat is fixed to either one of the facing portions of the window frame and the shoji, and a projection is provided on the reinforcing plate. Opening limiter. 操作手段を、
窓枠と障子とのいずれか一方の室内側の面に取付けられたケースと、
前記ケースに回転可能として設けられ、かつ背面の偏心部に係合ピンが突設された回転つまみと、
前記ケース内に、有頭ピンの進退方向と同方向に直線移動可能として収容され、室内側の面に、前記係合ピンが嵌合するようにした前記有頭ピンの進退方向と直交する方向を向く長孔が設けられ、かつ背面に、前記有頭ピンの中間部に設けた縮径部を把持する二股状の把持部が設けられ、前記回転つまみの回転に連動して、前記有頭ピンを進退させる移動部材
とを備えるものとした請求項1または2記載の窓の開度制限装置。
The operation means
A case attached to the indoor side surface of either the window frame or the shoji,
A rotary knob provided on the case as being rotatable, and having an engaging pin protruding from an eccentric part on the back surface;
A direction that is accommodated in the case so as to be linearly movable in the same direction as the headed pin's advancement / retraction direction, and that is perpendicular to the advancement / retraction direction of the headed pin so that the engagement pin is fitted to the indoor surface. A bifurcated gripping part for gripping a reduced diameter part provided in the middle part of the headed pin is provided on the back surface, and the headed part is interlocked with the rotation of the rotary knob. The window opening degree limiting device according to claim 1 or 2, further comprising a moving member for advancing and retracting the pin.
アームの基端部に設けた軸孔を、窓枠と障子との対向部のいずれか一方に突設した枢軸に遊嵌することにより、前記アームを枢軸の軸線回りに回動可能、かつ枢軸に対して傾動可能とし、さらに、付勢手段を、コイル部が前記枢軸に外嵌するようにして、前記窓枠と障子との対向部のいずれか一方と前記アームとの間に縮設され、前記コイル部の一方の端部から延出する延出端部が前記窓枠と障子との対向部のいずれか一方に係止され、かつ前記コイル部の他方の端部から延出する延出端部が前記アームに係止されることにより、前記アームを、先端部が前記窓枠と障子との対向部のいずれか一方に近接する基準位置に向かって付勢するようにしたねじりコイルばねとした請求項1〜3のいずれかに記載の窓の開度制限装置。   A shaft hole provided in the base end portion of the arm is loosely fitted to a pivot projecting at either one of the facing portions of the window frame and the shoji, so that the arm can be rotated about the axis of the pivot, and the pivot Further, the biasing means is contracted between the arm and any one of the facing portions of the window frame and the shoji so that the coil portion is fitted on the pivot. The extending end portion extending from one end portion of the coil portion is locked to one of the facing portions of the window frame and the shoji, and the extending end portion extends from the other end portion of the coil portion. A torsion coil in which the leading end is locked to the arm so that the arm is urged toward a reference position where the tip is close to one of the opposing portions of the window frame and the shoji. The opening degree restriction device for a window according to any one of claims 1 to 3, wherein the opening is a spring.
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