JP2008019669A - Opening and closing device - Google Patents

Opening and closing device Download PDF

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JP2008019669A
JP2008019669A JP2006194010A JP2006194010A JP2008019669A JP 2008019669 A JP2008019669 A JP 2008019669A JP 2006194010 A JP2006194010 A JP 2006194010A JP 2006194010 A JP2006194010 A JP 2006194010A JP 2008019669 A JP2008019669 A JP 2008019669A
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opening
closing
closing body
contact
connecting member
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JP5192135B2 (en
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Yasunobu Oshima
泰伸 大島
Masanori Kobayashi
正典 小林
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Bunka Shutter Co Ltd
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Bunka Shutter Co Ltd
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Abstract

<P>PROBLEM TO BE SOLVED: To reduce the thermal deformation of a closed-side end of an opening and closing body of an opening and closing device. <P>SOLUTION: An abutting member 32 of a throating member 30 is split into a plurality of pieces in the width direction of the opening and closing body, so that a space S can be secured between the adjacent abutting members 32. The abutting member 32 is slidably connected to a connecting member 31. <P>COPYRIGHT: (C)2008,JPO&INPIT

Description

本発明は、開閉体の閉鎖により構造物の空間部分を仕切るようにした開閉装置に関し、特に、防災用シャッター装置を含むシャッター装置として好適な開閉装置に関するものである。   The present invention relates to an opening / closing device configured to partition a space portion of a structure by closing an opening / closing body, and more particularly to an opening / closing device suitable as a shutter device including a disaster prevention shutter device.

本発明の開閉装置に関連する先行技術文献情報として、例えば、下記の特許文献１及び特許文献２が存在する。
特開平１１−１１７６４１号 特開２００５−８３０２７号 As prior art document information related to the switchgear of the present invention, for example, there are Patent Document 1 and Patent Document 2 below.
JP 11-117641 A JP-A-2005-83027

前記特許文献１及び特許文献２に記載の開閉装置は、開閉体開閉方向（上下方向）に沿ってスラットを複数枚連結するとともに、当該スラットの閉鎖方向端側のスラットに構成する水切り部材を備えてなるシャッターカーテンを備えたシャッター装置である。
前記水切り部材は、一般的に金属板材を用いて断面略逆Ｔ型状や断面略Ｌ型状に形成し、開閉方向側部位をスラットが掛合する連結部とし、幅方向側部位を当接対象部位への当接面部としている。
このシャッター装置によれば、シャッターカーテンを閉鎖させることにより、構造物の空間部分を仕切るばかりでなく、例えば、防火性と遮煙性の内の少なくとも防火性を備えたシャッターカーテンを採用することによって、火災発生時において構造物の空間部分に防災区画を形成して延焼を防ぐ防災用シャッター装置となる。 The switchgear described in Patent Document 1 and Patent Document 2 includes a plurality of slats connected in the opening / closing body opening / closing direction (vertical direction), and a draining member configured on the slat on the end side in the closing direction of the slats. A shutter device having a shutter curtain.
The draining member is generally formed using a metal plate to have a substantially inverted T-shaped cross section or a substantially L-shaped cross section, with the opening / closing direction side portion serving as a connecting portion with which the slat is engaged, and the width direction side portion being a contact target It is a contact surface part to a part.
According to this shutter device, not only the space portion of the structure is partitioned by closing the shutter curtain, but also, for example, by adopting a shutter curtain having at least fireproofing property among fireproofing and smoke shielding properties. In the event of a fire, a disaster prevention shutter device that prevents fire spread by forming a disaster prevention zone in the space of the structure.

ところで、前記防災用シャッター装置の場合、シャッターカーテンの閉鎖動作により、水切り部材が当接対象部位に接触して防災区画が形成されるが、火災発生場所がシャッターカーテンに近かったり、火災の火力が強かったりした場合には、水切り部材が加熱されて高温状態となる。
そのため、水切り部材が高温によって熱変形し、この熱変形により水切り部材における当接面部と当接対象部位との間に大きな隙間が生じる場合がある。 By the way, in the case of the above-mentioned shutter device for disaster prevention, the draining member comes into contact with the contact target part by the closing operation of the shutter curtain, and the disaster prevention section is formed, but the fire occurrence place is close to the shutter curtain or the fire thermal power is If it is strong, the draining member is heated to a high temperature state.
For this reason, the draining member is thermally deformed due to high temperature, and this thermal deformation may cause a large gap between the contact surface portion and the contact target portion of the draining member.

本発明は、開閉装置における開閉体の閉鎖側端部の熱変形を低減することを課題とし、この課題を解決した開閉装置の提供を目的とする。   This invention makes it a subject to reduce the thermal deformation of the closing side edge part of the opening / closing body in an opening / closing device, and it aims at provision of the opening / closing device which solved this subject.

前記課題を解決するために本発明が採用した技術的手段は、開閉体の閉鎖動作により当該開閉体の閉鎖側端部を構成する水切り部材が当接対象部位に当接して、構造物の空間部分に防災区画を形成する開閉装置において、
前記水切り部材が、開閉体本体の開閉方向端部に連結される連結部材と、当接対象部位に当接する当接部材とで構成され、
当接部材は、開閉体幅方向に複数分割されて、隣接する当接部材の間に空間を確保するとともに、連結部材に対して係合手段を介して連結されていることを特徴とする開閉装置にしたことである。 The technical means adopted by the present invention in order to solve the above-described problem is that the draining member constituting the closing side end of the opening / closing body abuts against the contact target portion by the closing operation of the opening / closing body, and the space of the structure In a switchgear that forms a disaster prevention zone in the part,
The draining member is composed of a connecting member connected to an opening / closing direction end of the opening / closing body and an abutting member that abuts against a contact target part,
The abutment member is divided into a plurality of widths in the opening / closing body width direction so as to secure a space between adjacent abutment members, and is connected to the connection member via an engagement means. It is a device.

ここで、本発明に係る開閉装置は、少なくとも閉鎖方向へ動作可能な開閉体を備え、該開閉体の閉鎖動作により空間部分に防災区画を形成するように構成された装置であればよく、この開閉装置には、開閉体が閉鎖動作のみを行うように用いられる形態、開閉体が開放動作と閉鎖動作との双方を行うように用いられる形態等を含む。
又、この開閉装置には、開閉体をその開放方向側の巻取軸によって巻取り、該巻取軸から繰り出すようにした形態や、開閉体をその開放方向側の収納部位へ巻き取ることなく収納し、該収納部位から繰り出すようにした形態等を含む。
又、この開閉装置には、開閉体を駆動源（例えば電動モータや水圧タービン、スプリングの付勢力等）によって動作させる態様、開閉体を自重によって動作させる態様、開閉体を手動で動作させる態様等を含む。 Here, the opening / closing apparatus according to the present invention may be any apparatus that includes at least an opening / closing body operable in a closing direction and is configured to form a disaster prevention section in a space portion by the closing operation of the opening / closing body. The opening / closing device includes a form in which the opening / closing body is used to perform only a closing operation, a form in which the opening / closing body is used to perform both an opening operation and a closing operation, and the like.
Further, in this opening / closing device, the opening / closing body is wound up by the winding shaft on the opening direction side, and the opening / closing body is fed out from the winding shaft, or the opening / closing body is not wound on the storage portion on the opening direction side. The form etc. which accommodated and were let out from this accommodating part are included.
The opening / closing device includes a mode in which the opening / closing body is operated by a drive source (for example, an electric motor, a hydraulic turbine, a spring biasing force, etc.), a mode in which the opening / closing body is operated by its own weight, a mode in which the opening / closing body is manually operated, etc. including.

又、前記開閉体本体は、少なくとも火災による火炎を遮断可能な形態であればよいが、好ましくは、更に火災による煙も遮断可能な形態とされる。この開閉体本体の具体例としては、耐火性を有する複数のスラットを開閉方向へ連設してなる形態、耐火性を有する単数もしくは複数のパネルや、シート状物を開閉方向へ設けてなる形態、あるいは耐火性を有するスラット、パネル、シート状物等を適宜に組み合わせてなる形態等を含む。   The opening / closing body may be in a form that can at least block a flame due to a fire, but preferably has a form that can also block a smoke due to a fire. Specific examples of the opening / closing body include a form in which a plurality of slats having fire resistance are continuously provided in the opening / closing direction, a form having one or more panels having fire resistance, and a form in which a sheet-like material is provided in the opening / closing direction. Or the form etc. which combined the slat, panel, sheet-like thing, etc. which have fire resistance suitably are included.

又、前記水切り部材は、開閉体本体の開閉方向端部に連結される連結部材と、当接対象部位に当接する当接部材とで構成される形態であればよく、例えば、開閉体本体の幅方向の長さと略同長とする金属板の開放側端部に開閉体本体に対して係合する係合部が形成された連結部材と、当該連結部材の厚さ方向側の両面又は片面に対して対面状に係合する係合部の閉鎖側端部から当接板部を開閉体厚さ方向へ突出させてなる当接部材とで構成される形態を含む。   In addition, the draining member may be configured to include a connecting member that is connected to an opening / closing direction end of the opening / closing body and an abutting member that contacts the contact target portion. A connecting member in which an engaging portion that engages with the opening / closing body main body is formed at the open side end of the metal plate that is approximately the same length as the width direction, and both or one side of the connecting member on the thickness direction side For example, the contact member is formed by projecting the contact plate portion in the opening / closing body thickness direction from the closed side end portion of the engagement portion engaged in a face-to-face manner.

又、前記連結部材に対する当接部材のスライドは、開閉体開閉方向や開閉体幅方向、あるいは、これら両方向に対して傾斜する方向等を含む。
又、前記当接部材の連結部材に対してスライド可能に係合とは、外力を加えることによりスライドする係合、外力によらず例えば自重等によってスライドする係合を含む。 The sliding of the contact member with respect to the connecting member includes an opening / closing body opening / closing direction, an opening / closing body width direction, a direction inclined with respect to both of these directions, and the like.
Further, the slidable engagement with the connecting member of the contact member includes an engagement that slides by applying an external force, and an engagement that slides by its own weight, for example, regardless of the external force.

又、前記連結部材に対し当接部材を連結する形態としては、例えば、連結部材と当接部材とに軸部が貫通する貫通孔を形成し、当該貫通孔の一方又は両方を前記軸部の径よりも大径に形成し、両貫通孔に貫通された軸部の貫通端部に抜け止め部を配してなる係合手段によりスライド可能に連結する形態が好ましい。
ここでいう係合手段は、軸部と抜け止め部とが一体であっても別体であってもよく、この係合手段には、例えば、軸部にボルト軸部を用い、抜け止め部にボルト頭部およびナットを用いる連結手段、軸部と抜け止め部が一体化されたリベットを用いる係合手段等の周知の手段を用いることができる。
又、前記軸部の径よりも大径な貫通孔の形態は、貫通孔に対して軸部が遊びをもって貫通する形態であればよく、例えば、略長孔状、略丸孔状等が挙げられる。 Further, as a form of connecting the contact member to the connection member, for example, a through hole through which the shaft portion passes is formed in the connection member and the contact member, and one or both of the through holes are connected to the shaft portion. It is preferable that the diameter is larger than the diameter, and the sliding means is slidably connected by an engaging means in which a retaining portion is provided at the penetrating end portion of the shaft portion that is penetrated by both through holes.
The engagement means here may be an integral part or a separate part of the shaft part and the retaining part. For example, a bolt shaft part is used for the engaging part, and the retaining part is used as the engaging means. Well-known means such as a connecting means using a bolt head and a nut, and an engaging means using a rivet in which a shaft portion and a retaining portion are integrated can be used.
Further, the shape of the through hole having a diameter larger than the diameter of the shaft portion may be any shape as long as the shaft portion penetrates through the through hole with play, and examples thereof include a substantially long hole shape and a substantially round hole shape. It is done.

前記係合手段が外力を加えることによりスライド可能な係合である場合、抜け止め部と連結部材と当接部材との少なくとも何れかの間に、熱によって溶融する素材からなるスペーサー部材を介在させることが好ましい。
この構成によれば、常温時は、火災によって生じる高温の熱でスペーサが溶融したときと比べて、当接部材を連結部材に対してスライドし難くすることができ、例えば当接部材に外力が加わらないと当接部材が連結部材に対してスライドしない状態となる。また、火災によって生じる高温の熱でスペーサが溶融したときには、常温時と比べて、当接部材を連結部材に対してスライドさせ易くすることができ、例えば当接部材が連結部材に対して外力によらず自重等によってスライドするようになる。
ここでいう熱によって溶融する素材とは、火災によって生じる高温の熱で溶融する素材を意味する。この素材には、通常の外気温では溶融しないものであって、開閉体や連結部材、当接部材、係合手段等よりも融点の低い素材が用いられ、この素材の具体例としては、合成樹脂材、融点の比較的低い金属材、ガラス等が挙げられる。 When the engaging means is an slidable engagement by applying an external force, a spacer member made of a material that melts by heat is interposed between at least one of the retaining portion, the connecting member, and the abutting member. It is preferable.
According to this configuration, the contact member can be made less slid with respect to the connecting member at normal temperature than when the spacer is melted by high-temperature heat generated by a fire. For example, an external force is applied to the contact member. If not applied, the contact member does not slide with respect to the connecting member. In addition, when the spacer is melted by high-temperature heat generated by a fire, the contact member can be easily slid with respect to the connecting member as compared with normal temperature. Regardless of its weight, it will slide.
The material melted by heat here means a material melted by high-temperature heat generated by a fire. For this material, a material that does not melt at normal outside temperature and has a melting point lower than that of the opening / closing body, connecting member, contact member, engaging means, etc. is used. Examples thereof include a resin material, a metal material having a relatively low melting point, and glass.

又、前記当接部材が連結部材の厚さ方向側の両面に対して係合される形態の場合における当接部材の分割形態としては、例えば、前記連結部材における一方の面側の当接部材間の空間と、他方の面側の当接部材間の空間とを正対させた形態、あるいは、前記連結部材における一方の面側の当接部材間の空間と、他方の面側の当接部材間の空間とを開閉体幅方向にずらした形態のいずれでもよい。   Further, as a form of dividing the contact member when the contact member is engaged with both surfaces on the thickness direction side of the connecting member, for example, the contact member on one surface side of the connecting member is used. Or a space between the contact members on one surface side of the connecting member and a contact on the other surface side. Any of the forms in which the space between the members is shifted in the opening / closing body width direction may be used.

尚、本明細書中において「閉鎖側端部」とは、開閉体の閉鎖状態において、床面や地面、枠部材等の当接対象部位に当接する側の端部を意味する。
又、本明細書中において、「開放側端部」とは、前記「閉鎖側端部」の反対側の端部を意味する。
又、本明細書中において「開閉体幅方向」とは、開閉体の開閉方向と略直交する方向であって、前記開閉体の厚さ方向ではない方向を意味する。
又、本明細書中において「開閉体開閉方向」とは、開閉体が空間を仕切ったり開放したりするためにスライドする方向を意味する。
又、「開閉体厚さ方向」とは、閉鎖状態の前記開閉体の厚さ方向を意味する。 In the present specification, the “closed end portion” means an end portion on the side that comes into contact with a contact target portion such as a floor surface, the ground, or a frame member in the closed state of the opening / closing body.
In the present specification, the “open end” means an end opposite to the “close end”.
Further, in this specification, the “opening / closing body width direction” means a direction that is substantially orthogonal to the opening / closing direction of the opening / closing body and not the thickness direction of the opening / closing body.
Further, in this specification, the “opening / closing body opening / closing direction” means a direction in which the opening / closing body slides to partition or open the space.
The “opening / closing body thickness direction” means the thickness direction of the opening / closing body in the closed state.

本発明の開閉装置によれば、当接部材が開閉体幅方向に沿って空間を確保して分割されているので、各当接部材が加熱されて膨張した際に、当接部材の膨張を当接部材間の空間で吸収することで、当接部材の熱変形を低減することができる。
したがって、開閉装置における開閉体の閉鎖側端部の熱変形を低減し、当該閉鎖側端部と当接対象部位との隙間を小さくして、良好な防災区画を確保することができる。
更に、当接部材をスライド可能に構成すれば、当接部材の熱変形を、より効果的に低減することができる。 According to the opening / closing device of the present invention, since the contact member is divided so as to secure a space along the opening / closing body width direction, when each contact member is heated and expanded, the contact member is expanded. By absorbing in the space between the contact members, thermal deformation of the contact members can be reduced.
Therefore, the thermal deformation of the closing side end of the opening / closing body in the opening / closing device can be reduced, the gap between the closing side end and the contact target portion can be reduced, and a good disaster prevention section can be secured.
Furthermore, if the contact member is configured to be slidable, thermal deformation of the contact member can be more effectively reduced.

以下、本発明の開閉装置を実施するための最良の形態を図１乃至図４に基づいて説明する。
本形態の開閉装置は、住宅やビル、倉庫、工場、地下街、トンネル等の構築・構造物における空間部分に防災区画を形成する防災用シャッター装置として説明する。
尚、本形態で図示する図面は、模式的に示している。 The best mode for carrying out the switchgear according to the present invention will be described below with reference to FIGS.
The switchgear according to the present embodiment will be described as a disaster prevention shutter device that forms a disaster prevention section in a space part of a construction / structure such as a house, building, warehouse, factory, underground mall, or tunnel.
Note that the drawings illustrated in this embodiment are schematically shown.

第１の形態の開閉装置１は、閉鎖側端部を開閉方向へスライドさせて開閉動作する開閉体１０を、左右のガイドレール２０によって、開閉体１０の幅方向の両端部が開閉方向へ案内するとともに、開閉体開放方向側に配設された巻取り装置（図示せず）により巻き取ったり繰り出したりするものである。
なお、この開閉装置１は、上向きに開放動作し、下向きに閉鎖動作する。 The opening / closing device 1 according to the first embodiment guides the opening / closing body 10 that opens and closes by sliding the closing side end portion in the opening / closing direction, with the left and right guide rails 20 guiding both ends of the opening / closing body 10 in the opening / closing direction. At the same time, it is wound or unwound by a winding device (not shown) disposed on the opening / closing body opening direction side.
The opening / closing device 1 opens upward and closes downward.

開閉体１０は、横長略矩形状の金属板を曲げ加工してなるスラット１１を、上下に隣接するスラット間で回動するように複数連接することで、開閉体本体１２を構成し、この開閉体本体１２の下側（閉鎖方向側）の端部に、床面や地面、枠部材等の当接対象部位Ｂに当接させるための水切り部材３０を、開閉体１０幅方向にわたって接続している。   The opening / closing body 10 constitutes an opening / closing body main body 12 by connecting a plurality of slats 11 formed by bending a horizontally-long substantially rectangular metal plate so as to be rotated between vertically adjacent slats. A draining member 30 for contacting a contact target portion B such as a floor surface, the ground, a frame member, or the like is connected to the lower end (closing direction side) of the body main body 12 in the width direction of the opening / closing body 10. Yes.

前記水切り部材３０は、横長略矩形状の金属板からなるものであり、当該金属板における開放方向側端部に、スラット１１の連結部１１Ａに対して係合可能に曲げ加工した係合部３１Ａを備えた連結部材３１と、当該連結部材３１の厚さ方向両面に配された断面略Ｌ型状の複数の当接部材３２とから構成されている。
符号３３は、前記連結部材３１の幅方向両端に配された被ガイド部であり、前記ガイドレール２０内にスライド可能に嵌合する部位を構成する。 The draining member 30 is made of a horizontally long substantially rectangular metal plate, and an engagement portion 31A that is bent at the end in the opening direction side of the metal plate so as to be engageable with the connecting portion 11A of the slat 11. And a plurality of contact members 32 having a substantially L-shaped cross section disposed on both sides in the thickness direction of the connection member 31.
Reference numeral 33 denotes guided portions disposed at both ends in the width direction of the connecting member 31 and constitutes a portion that is slidably fitted into the guide rail 20.

前記当接部材３２は、前記連結部材３１に対してその開閉体幅方向に沿って、隣り合う当接部材３２間に、当該当接部材３２の加熱による膨張を吸収するための空間Ｓを確保して開閉体幅の略全体にわたって並列状に配設されている。
又、前記連結部材３１の厚さ方向両面の当接部材３２は、互いの空間Ｓが正対するように配設されている。
又、前記空間Ｓの幅は、僅少とすることも可能であるが、当接部材３２の膨張率等を考慮すれば、当接部材３２の厚さと略同等以上とすることが好ましい。
なお、第１の形態の開閉装置１のうように空間Ｓが複数設けられている場合には、空間Ｓの幅が互いに異なっていても構わないが、図示例の好ましい一例によれば、熱変形をより効果的に低減するために、複数の空間Ｓの幅を互いに略等しくしている。
又、断面略Ｌ型状の当接部材３２は、略Ｌ型状の開放方向側が前記連結部材３１の係合面部３１Ｃに対して係合する係合面部３２Ａとし、厚さ方向側が当接対象部位Ｂに対して当接する当接面部３２Ｂとされており、前記係合面部３２Ａを連結部材３１に対して、ボルト・ナットで構成される係合手段４で係合している。 The abutting member 32 secures a space S for absorbing expansion due to heating of the abutting member 32 between adjacent abutting members 32 along the opening / closing body width direction of the connecting member 31. And it is arrange | positioned in parallel over substantially the whole opening-and-closing body width | variety.
The contact members 32 on both sides in the thickness direction of the connecting member 31 are arranged so that the spaces S face each other.
In addition, the width of the space S can be made small, but considering the expansion coefficient of the contact member 32 and the like, it is preferable that the space S is approximately equal to or larger than the thickness of the contact member 32.
In the case where a plurality of spaces S are provided as in the opening / closing device 1 of the first embodiment, the widths of the spaces S may be different from each other. In order to reduce deformation more effectively, the widths of the plurality of spaces S are substantially equal to each other.
The contact member 32 having a substantially L-shaped cross section has an engagement surface portion 32A that engages with the engagement surface portion 31C of the connecting member 31 on the substantially L-shaped opening direction side, and the contact side on the thickness direction side. The engagement surface portion 32B is in contact with the part B, and the engagement surface portion 32A is engaged with the connecting member 31 by the engagement means 4 composed of bolts and nuts.

前記係合面部３１Ｃには、前記係合手段４における軸部であるボルト軸部４１を貫通させる貫通孔３１Ｂが複数開孔されている。
又、係合面部３２Ａには、前記ボルト軸部４１が貫通するとともに、当接部材３２の加熱による膨張を吸収するための貫通孔である長孔５が、長手方向を開閉方向として幅方向に沿って前記貫通孔３１Ｂと同数で正対するように開孔されている。
そして、前記貫通孔３１Ｂと長孔５に貫通されたボルト軸部４１により当接部材３２が開閉方向にスライド可能に支持される。
前記ボルト軸部４１は、前記長孔５から突出した部位に前記係合手段４の抜け止め部であるナット４２が螺合されており、また、ボルト頭部４４も係合手段４における抜け止め部として構成されるので、このナット４２の締め付け力により、前記当接部材３２を、連結部材３１、ボルト頭部４４、ナット４２等により挟持することで、通常の温度では当接部材３２がスライドしないようにしている。 A plurality of through holes 31B are formed in the engagement surface portion 31C to allow the bolt shaft portion 41, which is the shaft portion of the engagement means 4, to pass therethrough.
In addition, the bolt surface 41 penetrates through the engagement surface portion 32A, and a long hole 5 serving as a through hole for absorbing expansion due to heating of the contact member 32 is formed in the width direction with the longitudinal direction being the opening / closing direction. Along with the through holes 31B, the same number of holes are formed so as to face each other.
The contact member 32 is supported by the bolt shaft portion 41 penetrating the through hole 31B and the long hole 5 so as to be slidable in the opening and closing direction.
In the bolt shaft portion 41, a nut 42 which is a retaining portion of the engaging means 4 is screwed into a portion protruding from the long hole 5, and the bolt head portion 44 is also retained in the engaging means 4. Since the abutting member 32 is clamped by the connecting member 31, the bolt head 44, the nut 42, and the like by the tightening force of the nut 42, the abutting member 32 slides at a normal temperature. I try not to.

符号６は、開閉体１０を手動により開閉する際に用いる引っ掛け棒（図示せず）を引っ掛けるための開孔部であり、当該開孔部６は、開閉体１０の幅方向中央に位置する当接部材３２における当接面部３２Ｂに開孔されている。
前記引っ掛け棒は、先端が略フック形状に曲げられた略棒状の操作補助具であり、その略フック形状の先端部が前記開口部６に挿入され掛合する。 Reference numeral 6 denotes an opening for hooking a hook rod (not shown) used when the opening / closing body 10 is manually opened and closed. The opening 6 is located at the center of the opening / closing body 10 in the width direction. A hole is formed in the contact surface portion 32 </ b> B of the contact member 32.
The hook rod is a substantially rod-shaped operation assisting tool whose tip is bent into a substantially hook shape, and the substantially hook-shaped tip portion is inserted into the opening 6 and engaged therewith.

前記ナット４２と連結部材３１の間には、合成樹脂材からなる略ワッシャ状のスペーサー部材４３が介在されており、当該スペーサー部材４３を介してナット４２の締め付け力を当接部材３２と連結部材３１とに作用させている。
すなわち、前記スペーサー部材４３が火災による高温で溶融すると、当該スペーサー部材４３の支持力が低下したり流れ落ちたりして、前記ナット４２の締め付け力が作用しなくなるため、当接部材３２が弱い力でスライド可能になったり自重によってスライドしたりするようにされる。
なお、スペーサー部材４３は、ボルト頭部４４、当接部材３２、ナット４２の少なくとも何れかの部材間に介在されていればよい。 A substantially washer-shaped spacer member 43 made of a synthetic resin material is interposed between the nut 42 and the connecting member 31, and the tightening force of the nut 42 is applied to the contact member 32 and the connecting member via the spacer member 43. 31.
That is, when the spacer member 43 is melted at a high temperature due to a fire, the support force of the spacer member 43 decreases or flows down, and the tightening force of the nut 42 does not act. It becomes slidable or slides under its own weight.
The spacer member 43 only needs to be interposed between at least one of the bolt head 44, the contact member 32, and the nut 42.

本形態の開閉装置１によれば、火災発生時において開閉体１０が閉鎖されて防災区画を形成した際に、前記当接部材３２における当接面部３２Ｂが当接対象部位Ｂに対して略適合状に当接する。
このとき、前記火災による熱により開閉体１０が加熱されて高温状態になると、前記スペーサー部材４３が溶融するとともに、当接部材３２が熱により膨張して、その多くは、図示するような開放方向への弓なり変形や閉鎖方向への弓なり変形しようとする。
この加熱による当接部材３２の膨張は、スペーサー部材４３の溶融による当接部材３２の挟持解除による連結部材３１に対する開閉方向へのスライド及び前記空間Ｓにより吸収されることで、膨張による当接部材３２の変形が低減される。
更に、当接部材３２は、複数に分割された形態であることから前記膨張による変形が生じた場合、その変形は、連結部材３１の幅方向全域に亘る長さの当接部材の変形に比べて小さいものとなる（図２参照）。したがって、当接部材３２と当接対象部位Ｂとの間に生じる隙間を、比較的小さくすることができる。
更に、連結部材３１が膨張して弓なり変形した場合でも、当接部材３１が閉鎖方向へスライドすることにより、当該当接部材３２における当接面部３２Ｂが当接対象部位Ｂに当接して、連結部材３１の弓なり変形によって生じる隙間５０を塞ぐことが可能となる。
したがって、当接部材３２の熱変形を低減し、当該当接部材３２における当接面部３２Ｂと当接対象部位Ｂとの隙間５０を小さくして、良好な防災区画を確保することができる。 According to the opening / closing device 1 of the present embodiment, when the opening / closing body 10 is closed and a disaster prevention section is formed in the event of a fire, the contact surface portion 32B of the contact member 32 substantially conforms to the contact target portion B. Abut.
At this time, when the opening / closing body 10 is heated to a high temperature by the heat from the fire, the spacer member 43 is melted and the contact member 32 is expanded by the heat. Attempts to deform the bow or deform in the closing direction.
The expansion of the contact member 32 due to the heating is absorbed by the sliding in the opening and closing direction with respect to the connecting member 31 due to the release of the contact member 32 due to the melting of the spacer member 43 and the space S, thereby the contact member due to expansion. 32 deformations are reduced.
Further, since the contact member 32 is divided into a plurality of parts, when the deformation due to the expansion occurs, the deformation is compared with the deformation of the contact member having a length over the entire width direction of the connecting member 31. (See FIG. 2). Therefore, a gap generated between the contact member 32 and the contact target portion B can be made relatively small.
Furthermore, even when the connecting member 31 expands and deforms into a bow, the contact member 31 slides in the closing direction, so that the contact surface portion 32B of the contact member 32 contacts the contact target portion B and is connected. It is possible to close the gap 50 caused by the bow deformation of the member 31.
Therefore, the thermal deformation of the contact member 32 can be reduced, and the gap 50 between the contact surface portion 32B and the contact target portion B in the contact member 32 can be reduced to ensure a good disaster prevention section.

次に、本発明に係る開閉装置の第２の形態を図５に基づいて説明する。
尚、前記第１の形態の開閉装置１と重複する部位についての説明は、同符号を付すことにより説明は省略する。 Next, a second embodiment of the switchgear according to the present invention will be described with reference to FIG.
In addition, description about the part which overlaps with the opening / closing apparatus 1 of the said 1st form attaches | subjects the same code | symbol, and abbreviate | omits description.

本形態の開閉装置１’は、水切り部材３０における当接部材３２を、前記連結部材３１における一方の係合面部３１Ｃ側の当接部材間３２の空間Ｓと、他方の係合面部３１Ｃ’側の当接部材３２間の空間Ｓとを開閉体幅方向にずらした形態としたものである。
具体的には、前記連結部材３１における係合面部３１Ｃ側の当接部材間３２の空間Ｓが、他方の係合面部３１Ｃ’側の当接部材３２の幅方向の略中心と対面するように、当接部材３２を交互にずらした形態としたものである。 In the opening / closing device 1 ′ of this embodiment, the contact member 32 in the draining member 30 is separated from the space S between the contact members 32 on the one engagement surface portion 31 </ b> C side of the connecting member 31 and the other engagement surface portion 31 </ b> C ′ side. The space S between the contact members 32 is shifted in the opening / closing body width direction.
Specifically, the space S between the contact members 32 on the engagement surface portion 31C side of the connecting member 31 faces the substantially center in the width direction of the contact member 32 on the other engagement surface portion 31C ′ side. The contact members 32 are alternately shifted.

又、本形態の開孔部６は、図示するように、当接部材３２をずらしたことにより、当該当接部材３２が開閉体１０の幅方向中央に位置しないような場合には、最も開閉体１０の幅方向中央に近い当接部材３２の当接面部３２Ｂのより開閉体１０の幅方向中央に近い部位に開孔している。 In addition, as shown in the figure, the opening 6 of this embodiment is most opened and closed when the contact member 32 is displaced so that the contact member 32 is not positioned at the center of the opening / closing body 10 in the width direction. A hole is formed in a portion closer to the center in the width direction of the opening / closing body 10 than the contact surface portion 32B of the contact member 32 near the center in the width direction of the body 10.

本形態の開閉装置１’によれば、第１の形態と同様の作用で膨張による当接部材３２の変形が低減され、前記膨張による変形が小さいものとなる上に、水切り部材３０における当接部材３２を、前記連結部材３１における係合面部３１Ｃ側の当接部材間３２の空間Ｓと、係合面部３１Ｃ’側の当接部材３２間の空間Ｓとを開閉体幅方向にずらしているので、図示するように、連結部材３１や当接部材３２が開放方向へ弓なり変形して隙間が生じた場合に、一方の面側の弓なり変形した当接部材３２の幅方向両端部の位置が、他方の面側の弓なり変形した当接部材３２の隙間の一部を塞ぐような位置関係となり、前記隙間の面積をより小さいものとすることができる。 According to the opening / closing device 1 'of the present embodiment, the deformation of the contact member 32 due to expansion is reduced by the same action as the first embodiment, the deformation due to the expansion becomes small, and the contact of the draining member 30 In the member 32, the space S between the contact members 32 on the engagement surface portion 31C side of the connecting member 31 and the space S between the contact members 32 on the engagement surface portion 31C ′ side are shifted in the opening / closing body width direction. Therefore, as shown in the figure, when the connecting member 31 and the contact member 32 are deformed into a bow in the opening direction and a gap is generated, the positions of both end portions in the width direction of the contact member 32 deformed into a bow on one surface side are determined. The positional relationship is such that a part of the gap of the contact member 32 deformed like a bow on the other surface side is closed, and the area of the gap can be made smaller.

なお、上記実施の形態において、上記スペーサ４３は、難燃性または不燃性を有する材質であることが好ましい。
また、他の構成により上記スペーサ４３と同様の作用効果を得るためには、このスペーサ４３を、火災時等の高熱により開閉体厚さ方向へ収縮する材料から形成したり、火災時の高熱により崩壊するような材料から形成したり等することが考えられる。
また、上記実施の形態において、上記スペーサ４３は省略することも可能であり、この構成においても、隣り合う連結部材３１，３１間の空間Ｓにより、各連結部材３１の熱変形を抑制するという効果を得ることができる。 In the above embodiment, the spacer 43 is preferably made of a material having flame retardancy or incombustibility.
In order to obtain the same effect as the spacer 43 by other configurations, the spacer 43 is formed of a material that shrinks in the thickness direction of the opening / closing body due to high heat during a fire or the like, or by high heat during a fire. It may be formed from a material that collapses.
Moreover, in the said embodiment, the said spacer 43 can also be abbreviate | omitted and also in this structure, the effect that the thermal deformation of each connection member 31 is suppressed by the space S between adjacent connection members 31 and 31. FIG. Can be obtained.

また、上記実施の形態において、当接部材３２の数は、図示例に限定されるものでなく、開閉体１０の幅方向の長さに応じて適宜な数とされる。
また、この当接部材３２の数は、図３に示す一例によれば、開閉体１０の表側と裏側とで同数としているが、他例としては表側と裏側とで異なる数としてもよい。
また、この当接部材３２は、開閉体１０の表側と裏側との内の一方側で複数（分割された構成）とすれば、その他方側を単数（分割されていない構成）とすることも可能である。この構成の場合、一方側の複数の当接部材３２により、上述した変形抑制効果を得ることができる。
また、この当接部材３２は、表側と裏側との内の何れか一方側のものを省略することが可能である。 Moreover, in the said embodiment, the number of the contact members 32 is not limited to the example of illustration, It is set as an appropriate number according to the length of the opening / closing body 10 in the width direction.
Further, according to the example shown in FIG. 3, the number of the contact members 32 is the same on the front side and the back side of the opening / closing body 10, but as another example, the number may be different on the front side and the back side.
Further, if the contact member 32 is plural (divided configuration) on one of the front side and the back side of the opening / closing body 10, the other side may be singular (non-divided configuration). Is possible. In the case of this configuration, the deformation suppressing effect described above can be obtained by the plurality of contact members 32 on one side.
The contact member 32 can be omitted on either the front side or the back side.

また、図示例によれば、係合手段４のボルト軸部４１を貫通させる長孔５は、当接部材３２のみに設けるようにしているが、この長孔５は、当接部材３２と連結部材３１との何れか一方又は双方に設ければよい。   Further, according to the illustrated example, the long hole 5 that penetrates the bolt shaft portion 41 of the engaging means 4 is provided only in the contact member 32, but this long hole 5 is connected to the contact member 32. What is necessary is just to provide in either one or both with the member 31.

また、図示例によれば、長孔５の長手方向を開閉体開閉方向としているが、この長孔５の長手方向を開閉体幅方向とすることも可能である。
好ましい一例として、上記長孔５を当接部材３２と連結部材３１との双方に設け、その一方の長孔５を開閉体開閉方向へ長い長孔とし、その他方の長孔５を開閉体幅方向へ長い長孔とすれば、これら一方および他方の長孔５，５により、当接部材３２の熱変形を、一層効果的に低減することができる。 Further, according to the illustrated example, the longitudinal direction of the long hole 5 is the opening / closing body opening / closing direction, but the longitudinal direction of the long hole 5 may be the opening / closing body width direction.
As a preferred example, the long hole 5 is provided in both the abutting member 32 and the connecting member 31, one long hole 5 is a long hole in the opening / closing body opening / closing direction, and the other long hole 5 is the opening / closing body width. If the elongated holes are long in the direction, thermal deformation of the contact member 32 can be more effectively reduced by the one and the other elongated holes 5 and 5.

また、上記実施の形態では、隣り合う連結部材３１，３１間の全てに空間Ｓを確保するようにしているが、他例としては、一部の空間Ｓを省略することも可能である。   Moreover, in the said embodiment, although the space S is ensured in all between the adjacent connection members 31 and 31, as another example, a part of space S can also be abbreviate | omitted.

また、上記実施の形態において、引っ掛け棒を掛合させるために開閉体１０の表裏両側に設けた開口部６，６は、当該開閉装置の使用態様等に応じて、その片方または両方を省略することが可能である。   Moreover, in the said embodiment, the opening parts 6 and 6 provided in the front and back both sides of the opening-and-closing body 10 in order to engage a hook rod omit the one or both according to the usage condition etc. of the said opening-and-closing apparatus. Is possible.

また、上記実施の形態では、当接部材３２を連結部材３１に対しスライド可能に連結しているが、他例としては、当接部材３２を連結部材３１に対しスライド不能にした構造としてもよい。この構造の場合、例えば、ボルト・ナットやリベットなどからなる係止手段の軸部が貫通する孔を、係止手段の軸部と略同径の丸孔とし、該係止手段により当接部材３２と連結部材３１とを固着するようにすればよい。   Moreover, in the said embodiment, although the contact member 32 is connected with the connection member 31 so that sliding is possible, it is good also as a structure which made the contact member 32 non-slidable with respect to the connection member 31 as another example. . In the case of this structure, for example, the hole through which the shaft portion of the locking means made of a bolt, nut, rivet or the like passes is formed as a round hole having substantially the same diameter as the shaft portion of the locking device, and the abutting member is formed by the locking device. What is necessary is just to make it fix 32 and the connection member 31. FIG.

本発明に係る開閉装置の第１の形態を示す正面図。The front view which shows the 1st form of the switchgear which concerns on this invention. 図１の要部拡大図。The principal part enlarged view of FIG. 図２の（３）-（３）線断面図。(3)-(3) sectional view taken on the line of FIG. 図３の（４）-（４）線拡大断面図。The (4)-(4) line expanded sectional view of FIG. 本発明に係る開閉装置の第２の形態を示す断面図。Sectional drawing which shows the 2nd form of the switchgear concerning this invention.

符号の説明Explanation of symbols

１,１'：開閉装置
１０：開閉体
１２：開閉体本体
３０：水切り部材
３１：連結部材
３２：当接部材
３２Ａ：係合面部
３１Ｃ,３１Ｃ’：係合面部
４：係合手段
４１：ボルト軸部（軸部）
４２：ナット（抜け止め部）
４３：スペーサー部材
５：長孔（貫通孔）
５０：隙間
Ｓ：空間 1, 1 ': Opening / closing device 10: Opening / closing body 12: Opening / closing body main body 30: Draining member 31: Connection member 32: Contact member 32A: Engagement surface portion 31C, 31C': Engagement surface portion 4: Engaging means 41: Bolt Shaft (shaft)
42: Nut (prevention part)
43: Spacer member 5: Long hole (through hole)
50: Clearance S: Space

Claims (6)

開閉体の閉鎖動作により当該開閉体の閉鎖側端部を構成する水切り部材が当接対象部位に当接して、構造物の空間部分に防災区画を形成する開閉装置において、
前記水切り部材が、開閉体本体の閉鎖側端部に連結される連結部材と、当接対象部位に当接する当接部材とで構成され、
当接部材は、開閉体幅方向に複数分割されて、隣接する当接部材の間に空間を確保するとともに、連結部材に対して係合手段を介して連結されていることを特徴とする開閉装置。 In the opening / closing apparatus in which the draining member constituting the closing side end portion of the opening / closing body is brought into contact with the contact target portion by the closing operation of the opening / closing body, and the disaster prevention section is formed in the space portion of the structure,
The draining member is composed of a connecting member connected to the closing side end of the opening / closing body and an abutting member that abuts against a contact target site,
The abutment member is divided into a plurality of widths in the opening / closing body width direction so as to secure a space between adjacent abutment members, and is connected to the connection member via an engagement means. apparatus. 前記水切り部材は、開閉体本体の開閉体幅方向の長さと略同長とする金属板の開放側端部に開閉体本体に対して係合する係合部が形成された連結部材と、当該連結部材の厚さ方向側の両面又は片面に対して対面状に係合する係合部の閉鎖側端部から当接板部を開閉体厚さ方向へ突出させてなる当接部材とで構成されていることを特徴とする請求項１に記載の開閉装置。   The draining member includes a connecting member in which an engaging portion that engages with the opening / closing body main body is formed at an opening side end of a metal plate that is substantially the same length as the length of the opening / closing body main body in the opening / closing body width direction, Consists of a contact member that protrudes in the opening / closing body thickness direction from the closing side end of the engaging part that engages with both sides or one side of the connecting member in the thickness direction. The switchgear according to claim 1, wherein the switchgear is provided. 連結部材と当接部材とが、当該連結部材と当接部材とに軸部が貫通する貫通孔を形成し、当該貫通孔の一方又は両方を前記軸部の径よりも大径に形成し、両貫通孔に貫通された軸部の貫通端部に抜け止め部を配してなる係合手段によりスライド可能に係合されていることを特徴とする請求項１又は請求項２に記載の開閉装置。 The connecting member and the abutting member form a through hole through which the shaft portion penetrates the connecting member and the abutting member, and one or both of the through holes are formed to have a diameter larger than the diameter of the shaft portion, 3. The opening and closing according to claim 1 or 2, wherein the shaft is slidably engaged by an engaging means having a retaining portion disposed at a through end portion of the shaft portion that is penetrated by both through holes. apparatus. 前記抜け止め部と連結部材と当接部材との少なくとも何れかの間に、熱によって溶融する素材からなるスペーサー部材が介在されていることを特徴とする請求項３に記載の開閉装置。   The switchgear according to claim 3, wherein a spacer member made of a material that melts by heat is interposed between at least one of the retaining portion, the connecting member, and the contact member. 前記連結部材における一方の面側の当接部材間の空間と、他方の面側の当接部材間の空間とを正対させていることを特徴とする請求項１乃至請求項４いずれか１項に記載の開閉装置。   The space between the contact members on one surface side of the connecting member and the space between the contact members on the other surface side are opposed to each other. The switchgear according to item. 前記連結部材における一方の面側の当接部材間の空間と、他方の面側の当接部材間の空間とを開閉体幅方向にずらしていることを特徴とする請求項１乃至請求項４いずれか１項に記載の開閉装置。 The space between the contact members on one surface side of the connecting member and the space between the contact members on the other surface side are shifted in the opening / closing body width direction. The switchgear according to any one of the above.
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JP2013174101A (en) * 2012-02-27 2013-09-05 Bunka Shutter Co Ltd Winding mechanism and shutter device with the same

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