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JP6072883B2 - shutter - Google Patents
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JP6072883B2 - shutter - Google Patents

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JP6072883B2
JP6072883B2 JP2015219554A JP2015219554A JP6072883B2 JP 6072883 B2 JP6072883 B2 JP 6072883B2 JP 2015219554 A JP2015219554 A JP 2015219554A JP 2015219554 A JP2015219554 A JP 2015219554A JP 6072883 B2 JP6072883 B2 JP 6072883B2
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top plate
shutter curtain
reinforcing material
shutter
winding shaft
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JP2016027244A (en
JP2016027244A5 (en
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正 上田
正 上田
相馬 剛
剛 相馬
潤一 岩田
潤一 岩田
万美子 平井
万美子 平井
理史 山本
理史 山本
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YKK AP Inc
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YKK AP Inc
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Description

本発明は、シャッターカーテンを巻き上げ、繰り下げることで開口部を開閉するシャッター、例えば、建物の外壁に取り付けられ、サッシ窓の室外側部を開閉するシャッターに関する。   The present invention relates to a shutter that opens and closes an opening by rolling up and lowering a shutter curtain, for example, a shutter that is attached to an outer wall of a building and opens and closes an outdoor portion of a sash window.

従来のシャッターとしては、左右のガイドレールに沿ってシャッターカーテンを上下動自在とし、そのガイドレールの上方に設けたケース内に巻取軸を設け、この巻取軸でシャッターカーテンを巻き上げることで建物の開口部を開放し、巻取軸でシャッターカーテンを繰り下げることで建物の開口部を閉鎖するようにしたものが知られている(特許文献1参照)。   As a conventional shutter, the shutter curtain can be moved up and down along the left and right guide rails, a winding shaft is provided in a case provided above the guide rail, and the shutter curtain is wound up by this winding shaft to build the building. The opening part of a building is closed and the opening part of a building is closed by pulling down a shutter curtain with a winding axis | shaft (refer patent document 1).

実公平6−5510Reality 6-5510

前述した従来のシャッターにおけるケースは、アルミ材により製作されるのが一般的であり、火災時やシャッターの防火試験の際に、ケースの天板(ルーフ板)が溶融することがある。
このように、シャッターカーテンが閉じた状態で天板が溶融すると、その溶融したアルミがシャッターカーテンよりも室内側に落下して種々の不具合が発生することがある。
例えば、シャッターカーテンが建物の開口部を開閉する場合には、落下した溶融アルミが開口部から室内に飛散することがある。
また、枠体の下枠まで溶融アルミが落下し、下枠に穴があき、枠体の内部と外部を連通する貫通孔が発生してしまう。
The above-described case of the conventional shutter is generally made of an aluminum material, and the top plate (roof plate) of the case may be melted at the time of a fire or during a fire prevention test of the shutter.
As described above, when the top plate is melted with the shutter curtain closed, the melted aluminum may fall to the indoor side of the shutter curtain and cause various problems.
For example, when a shutter curtain opens and closes an opening of a building, dropped molten aluminum may be scattered from the opening into the room.
Further, the molten aluminum falls to the lower frame of the frame, and a hole is formed in the lower frame, resulting in a through hole that communicates the inside and the outside of the frame.

本発明は、シャッターカーテンが閉じた状態でケースの天板が溶融したときに、その溶融アルミがシャッターカーテンよりも室外側に落下し、シャッターカーテンよりも室内側には落下しないようにしたシャッターを提供することである。   The present invention provides a shutter in which when the top plate of the case is melted in a state where the shutter curtain is closed, the molten aluminum falls to the outdoor side of the shutter curtain and does not fall to the indoor side of the shutter curtain. Is to provide.

本発明は、ケース内に設けた巻取軸でシャッターカーテンを巻き上げ、繰り下げるようにしたシャッターであって、
前記ケースのアルミ製の天板と前記巻取軸との間に配置されて前記天板に室外側寄りで固着されるアルミの融点以上の融点の補強材と、前記補強材の下方に配置される支持部材とを備えており、
前記支持部材の室外側の先端部は、前記補強材の室内側部よりも室外側に位置しており、
前記補強材の室外側寄りは、前記巻取軸の頂点よりも室外側に位置することを特徴とするシャッターである。
The present invention is a shutter that winds up and lowers a shutter curtain with a winding shaft provided in a case,
A reinforcing material having a melting point equal to or higher than the melting point of aluminum, which is disposed between the aluminum top plate of the case and the winding shaft and is fixed to the top plate near the outdoor side, and is disposed below the reinforcing material. And a supporting member
The front-end | tip part of the outdoor side of the said supporting member is located in the outdoor side rather than the indoor side part of the said reinforcing material,
The shutter is characterized in that a portion closer to the outdoor side of the reinforcing material is located on the outdoor side than the apex of the winding shaft .

本発明においては、前記補強材を、通常時は最大限巻き上げた状態のシャッターカーテンと干渉しない上方位置に保持され、前記天板が溶融したときは室外側部が室内側部よりも低く、下向き斜めの姿勢に変位して巻取軸と天板の室内側部との間を閉塞するように設けることができる。
このようにすれば、通常時に補強材は上方位置に保持されるので、シャッターカーテンの巻き上げ、繰り下げに支障を来すことがない。
また、天板が溶融したときには補強材が下向き斜めの姿勢に変位するので、溶融アルミを補強材に沿ってスムーズに落下することができる。
In the present invention, the reinforcing material is normally held at an upper position where it does not interfere with the shutter curtain in the fully wound state, and when the top plate is melted, the outdoor side portion is lower than the indoor side portion and faces downward. It can be provided so as to close the space between the take-up shaft and the indoor side of the top plate by being displaced in an oblique posture.
In this way, since the reinforcing material is held at the upper position during normal operation, there is no hindrance to the raising and lowering of the shutter curtain.
Further, when the top plate is melted, the reinforcing material is displaced in an obliquely downward posture, so that the molten aluminum can be smoothly dropped along the reinforcing material.

本発明においては、前記補強材の室外側寄りを、前記天板の室外側寄りに固着具で固着することができる。
また、本発明においては、前記補強材の室内側部を第1の固着具で固着すると共に、その補強材の室外側部を第2の固着具で固着することで上方位置に保持して取り付け、
前記天板が溶融する際に熱膨張して少なくとも前記第1の固着具を覆う熱膨張性耐火材を設けることができる。
このようにすれば、天板が溶融したときに第1の固着具が耐火材で熱から保護されて溶融しないので、補強材の室内側部を天板の室内側部に固着した状態を維持して下向き斜めの姿勢に変位できる。
In the present invention, the outdoor side of the reinforcing member can be fixed to the outdoor side of the top plate with a fixing tool.
Further, in the present invention, the indoor side portion of the reinforcing material is fixed with the first fixing tool, and the outdoor side portion of the reinforcing material is fixed with the second fixing tool so as to be held at the upper position and attached. ,
A thermally expandable refractory material that thermally expands to cover at least the first fixing tool when the top plate melts can be provided.
In this way, when the top plate is melted, the first fixing tool is protected from heat by the refractory material and does not melt, so that the indoor side portion of the reinforcing material is fixed to the indoor side portion of the top plate. Thus, it can be displaced in a downward and oblique posture.

本発明においては、前記補強材の室内側部を天板の室内側部に第1の固着具で固着すると共に、その補強材の室外側部を天板の室外側部に第2の固着具で固着することで上方位置に保持して取り付けることができる。
このようにすれば、補強材を天板に取り付けできるので、既存のケースを利用して補強材を有するケースとすることができる。
In the present invention, the indoor side portion of the reinforcing member is fixed to the indoor side portion of the top plate with the first fixing tool, and the outdoor side portion of the reinforcing material is fixed to the outdoor side portion of the top plate. It can be held and mounted in the upper position by fixing with.
If it does in this way, since a reinforcing material can be attached to a top plate, it can be set as a case which has a reinforcing material using an existing case.

本発明においては、前記支持部材は、前記ケースに、補強材の下向き斜め姿勢を規制して当該補強材が巻取軸と接しないように設けることができる。
このようにすれば、溶融アルミが巻取軸に付着堆積することなしにスムーズに落下することができる。
In the present invention, the support member, the case, the reinforcing member to regulate a downward oblique posture of the reinforcing member can kick set so as not to contact with the winding shaft.
If it does in this way, molten aluminum can fall smoothly, without adhering and accumulating on a winding shaft.

本発明によれば、シャッターカーテンが閉じた状態で、火災時や耐火試験時に天板が溶融したときに、その溶融アルミは補強材によってシャッターカーテンの室外側面に向けて落下するので、その溶融アルミはシャッターカーテンよりも室外側に落下し、室内側には落下することはない。   According to the present invention, when the top plate is melted in a fire or a fire resistance test with the shutter curtain closed, the molten aluminum is dropped toward the outdoor surface of the shutter curtain by the reinforcing material. Falls outside the shutter curtain and does not fall inside the room.

本発明の実施の形態を示すシャッターの外観図である。It is an external view of the shutter which shows embodiment of this invention. 図1のA−A断面図である。It is AA sectional drawing of FIG. 図1のB−B断面図である。It is BB sectional drawing of FIG. ケースの一部破断斜視図である。It is a partially broken perspective view of a case.

図1に示すように、枠体1に設けた左右のガイドレール2に沿ってシャッターカーテン3が上下動自在に支承され、このシャッターカーテン3は複数のスラット3aを揺動可能に連結してある。
前述した枠体1の上部にはケース4が設けてある。このケース4内に巻取軸5を設け、この巻取軸5でシャッターカーテン3を巻き上げ、繰り下げることで枠体1の開口部を開閉する。
As shown in FIG. 1, a shutter curtain 3 is supported so as to be movable up and down along left and right guide rails 2 provided on a frame 1, and this shutter curtain 3 is connected to a plurality of slats 3a so as to be swingable. .
A case 4 is provided on the frame 1 described above. A winding shaft 5 is provided in the case 4, and the shutter curtain 3 is wound up by the winding shaft 5, and the opening of the frame body 1 is opened and closed by lowering the shutter curtain 3.

前述した枠体1は、図2、図3に示すように、左右の縦枠10,10と、下枠11と、上枠(まぐさ)12を備え、左右の縦枠10の室外側にガイドレール2が取り付けてある。
縦枠10、下枠11、上枠12は建物の外壁13の開口部13aの周縁に取り付けられ、その枠体1には図示しない障子が開閉自在に取り付けられてサッシ窓としてある。
2 and 3, the frame body 1 includes left and right vertical frames 10, 10, a lower frame 11, and an upper frame (lintel) 12. A guide rail 2 is attached.
The vertical frame 10, the lower frame 11, and the upper frame 12 are attached to the peripheral edge of the opening 13a of the outer wall 13 of the building, and a shoji (not shown) is attached to the frame body 1 so as to be opened and closed to form a sash window.

前述したケース4は、左右の端面板20,20と、この左右の端面板20間に渡って取り付けした前面板21、天板22と、前述した上枠12と、天板22と上枠12に渡って取り付けした後面板23とで箱形状で、前面板21の下端部と上枠12の室外側部との間に隙間24を有している。
前述した巻取軸5はケース4内において左右の端面板20間に渡って回転自在に取り付けてある。
前述したシャッターカーテン3はケース4の隙間24を通してケース4内に入り込み、巻取軸5に連結され、その巻取軸5を正転、逆転することでシャッターカーテン3が巻き上げ、繰り下げられる。
このシャッターカーテン3を最大限巻き上げすると、図3に仮想線で示す状態となる。
The case 4 described above includes left and right end face plates 20, 20, a front plate 21 and a top plate 22 that are attached across the left and right end face plates 20, the upper frame 12, and the top plate 22 and the upper frame 12. The rear plate 23 is attached in a box shape and has a gap 24 between the lower end portion of the front plate 21 and the outdoor portion of the upper frame 12.
The winding shaft 5 described above is rotatably mounted between the left and right end face plates 20 in the case 4.
The shutter curtain 3 described above enters the case 4 through the gap 24 of the case 4 and is connected to the winding shaft 5, and the shutter curtain 3 is wound up and lowered by rotating the winding shaft 5 forward and backward.
When the shutter curtain 3 is wound up to the maximum extent, a state indicated by a virtual line in FIG. 3 is obtained.

前述した天板22は図3、図4に示すように、横向板22aと、この横向板22aの室内側端に一体に設けた縦向板22bで略倒T字形状で、その横向板22aの室外側寄りの下面に取付片25を有している。この取付片25は縦片25aと横片25bで鉤形状で、縦片25aが横向板22aの下面に一体に設けてある。
この天板22はアルミ材で製作してある。例えば、アルミ押出形材で製作してある。
前述した後面板23は縦板23aと上横板23bと下横板23cでコ字形状の長尺材で、左右の端面板20の縦取付片20a、上横取付片20b、下横取付片20cに固着具、例えばリベット26で固着して取り付けてある。
そして、天板22の縦向板22bが建物の外壁13に固着具、例えばねじ27で固着して取り付けてある。
As shown in FIGS. 3 and 4, the top plate 22 described above has a substantially inverted T-shape with a horizontally-oriented plate 22a and a vertically-oriented plate 22b integrally provided at the indoor side end of the horizontally-oriented plate 22a. A mounting piece 25 is provided on the lower surface of the outside of the room. The mounting piece 25 has a vertical shape 25a and a horizontal piece 25b and has a bowl shape, and the vertical piece 25a is integrally provided on the lower surface of the horizontal plate 22a.
The top plate 22 is made of an aluminum material. For example, it is made of an extruded aluminum shape.
The rear plate 23 is a long U-shaped material consisting of a vertical plate 23a, an upper horizontal plate 23b, and a lower horizontal plate 23c. The vertical mounting pieces 20a, upper horizontal mounting pieces 20b, and lower horizontal mounting pieces of the left and right end plates 20 It is fixedly attached to 20c with a fixing tool such as a rivet 26.
The vertical plate 22b of the top plate 22 is fixedly attached to the outer wall 13 of the building with a fixing tool, for example, a screw 27.

前記ケース4内には、融点がアルミの融点(781℃)以上の材料で製作した補強材30が取り付けてある。
この補強材30は天板22が溶融しても溶融することがなく、その溶融アルミを閉じ状態のシャッターカーテン3の室外側面に向けて落下するように設けてある。
これにより、天板22が溶融したときに、その溶融アルミはシャッターカーテン3よりも室外側に落下し、そのシャッターカーテン3よりも室内側には落下しないので、前述したような不具合が発生することはない。
A reinforcing member 30 made of a material having a melting point equal to or higher than that of aluminum (781 ° C.) is attached in the case 4.
The reinforcing member 30 is provided so that it does not melt even when the top plate 22 is melted, and falls toward the outdoor side surface of the shutter curtain 3 in a closed state.
As a result, when the top plate 22 is melted, the molten aluminum falls outside the shutter curtain 3, and does not fall indoors than the shutter curtain 3. Therefore, the above-described problems occur. There is no.

前述の補強材30の取り付けの一例を図3、図4に基づいて説明する。
この補強材30の室内外側方向の長さ(見込み寸法)は天板22の室内外側方向の長さ(見込み寸法)とほぼ同一で、通常時には最大限巻き上げた状態のシャッターカーテン3と干渉しない上方位置に保持され、シャッターカーテン3の巻き上げ、繰り下げに支障を来すことがないようにしてある。
An example of attachment of the aforementioned reinforcing material 30 will be described with reference to FIGS.
The length (probable dimension) of the reinforcing member 30 in the indoor / outdoor direction is substantially the same as the length (prospective dimension) of the top plate 22 in the indoor / outdoor direction, and normally does not interfere with the shutter curtain 3 in the fully wound state. The position of the shutter curtain 3 is maintained so as not to hinder the rolling up or down of the shutter curtain 3.

また、火災時や防火試験時など天板22が溶融した場合には、図3に仮想線で示すように、室外側部が室内側部よりも低く、その室内側部が巻取軸5に接近した下向き斜めの姿勢に変位し、巻取軸5と天板22の室内側部との間を補強材30で閉塞する。
これにより、シャッターカーテン3が閉じた状態で天板22が溶融した場合、その溶融アルミは補強材30に沿って下方に流れ、シャッターカーテン3の室外側面に沿ってシャッターカーテン3よりも室外側に落下し、その溶融アルミがシャッターカーテン3よりも室内側に落下することがない。
Further, when the top plate 22 is melted during a fire or a fire prevention test, as shown by a virtual line in FIG. 3, the outdoor side is lower than the indoor side, and the indoor side is on the winding shaft 5. It moves to the approaching downward slanting posture and closes the space between the winding shaft 5 and the indoor side portion of the top plate 22 with the reinforcing material 30.
As a result, when the top plate 22 is melted with the shutter curtain 3 closed, the molten aluminum flows downward along the reinforcing material 30, and is further to the outdoor side than the shutter curtain 3 along the outdoor side surface of the shutter curtain 3. The molten aluminum does not fall into the indoor side of the shutter curtain 3.

前述の補強材30は図3、図4に示すように、その横板31の室内側端と連続した立上り片32を有し、その立上り片32を天板22の室内側部、例えば縦向板22bの横向板22aよりも下方の部分に第1の固着具、例えば第1のリベット33で固着すると共に、横板31の室外側寄りが天板22の室外側寄り、例えば取付片25の横片25bに第2の固着具、例えば第2のリベット34で固着することで、補強材30を前述の上方位置に保持している。   As shown in FIGS. 3 and 4, the reinforcing member 30 has a rising piece 32 continuous with the indoor side end of the horizontal plate 31. The rising piece 32 is connected to the indoor side portion of the top plate 22, for example, vertically. The plate 22b is fixed to a portion of the plate 22b below the lateral plate 22a with a first fixing tool, for example, the first rivet 33, and the outer side of the horizontal plate 31 is closer to the outer side of the top plate 22, for example, the mounting piece 25 The reinforcing member 30 is held at the above-mentioned upper position by being fixed to the horizontal piece 25b with a second fixing tool, for example, the second rivet 34.

そして、前述の第1リベット33の付近、例えば横板31の立上り片32寄りに熱膨張性耐火材、例えば熱膨張性黒鉛35を設け、天板22が溶融する温度となると熱膨張性黒鉛35が図3に仮想線で示すように熱膨張して第1のリベット33と、その周辺を覆うことで熱から保護するようにしてある。   Then, a heat-expandable refractory material, for example, heat-expandable graphite 35 is provided in the vicinity of the first rivet 33, for example, near the rising piece 32 of the horizontal plate 31, and the heat-expandable graphite 35 is reached at a temperature at which the top plate 22 is melted. However, as indicated by the phantom line in FIG. 3, the first rivet 33 and its periphery are covered to protect from heat.

このようであるから、火災時や防火試験時に天板22の付近の温度が天板22が溶融する温度となると熱膨張性黒鉛35が熱膨張して第1のリベット33と、その周辺を覆うことで熱から保護し、溶融しないので、補強材30の室内側部は天板22の室内側部に固着された状態が維持され、第2のリベット34による固着がなくなるので、補強材30は自重等で、室内側部を支点として図3に矢印で示すように下方に回動し、前述の下向き斜めの姿勢に変位する。
このとき、補強材30は後面板23の上横板23bの室外側端部23b−1に接して下向き斜めの姿勢が規制される。つまり、補強材30の室外側端が巻取軸5に接しても良いが、そのようにすると溶融アルミが巻取軸5に付着堆積し易いので、補強材30の室外側端を巻取軸5と離隔するために上横板23bの先端部23b−1に接して下向き姿勢を規制している。なお、後面板23の上横板23bとは別に支持部材をケース4内に設けても良い。
前述の後面板23はスチール材で製作してある。
Thus, when the temperature in the vicinity of the top plate 22 becomes a temperature at which the top plate 22 melts during a fire or a fire prevention test, the thermally expandable graphite 35 is thermally expanded to cover the first rivet 33 and its periphery. Therefore, since the indoor side portion of the reinforcing member 30 is fixed to the indoor side portion of the top plate 22 and is not fixed by the second rivet 34, the reinforcing member 30 is Due to its own weight or the like, it turns downward as indicated by an arrow in FIG.
At this time, the reinforcing member 30 is in contact with the outdoor side end 23b-1 of the upper horizontal plate 23b of the rear plate 23, and the downward oblique posture is restricted. In other words, the outdoor side end of the reinforcing member 30 may contact the winding shaft 5, but in that case, molten aluminum tends to adhere to and accumulate on the winding shaft 5, so that the outdoor side end of the reinforcing material 30 is attached to the winding shaft. In order to be separated from 5, the downward posture is regulated in contact with the tip 23 b-1 of the upper horizontal plate 23 b. A support member may be provided in the case 4 separately from the upper horizontal plate 23 b of the rear plate 23.
The rear plate 23 is made of steel.

このようであるから、補強材30を天板22に取り付けることができ、従来のケースを利用して補強材30を有するケースとすることが可能である。   Since it is like this, the reinforcing material 30 can be attached to the top plate 22, and it can be set as the case which has the reinforcing material 30 using the conventional case.

前述の実施の形態では、ガイドレール2を枠体1の縦枠10に取り付けしたが、ガイドレール2を建物の外壁に取り付けても良い。
また、補強材30の室内側寄りを後面板23にブラケット等を用いて取り付けるようにしても良い。
In the above-described embodiment, the guide rail 2 is attached to the vertical frame 10 of the frame body 1, but the guide rail 2 may be attached to the outer wall of the building.
Further, the interior side of the reinforcing member 30 may be attached to the rear plate 23 using a bracket or the like.

1…枠体、2…ガイドレール、3…シャッターカーテン、4…ケース、5…巻取軸、2
2…天板、30…補強材、32…第1のリベット(第1の固着具)、33…第2のリベッ
ト(第2の固着具)、35…熱膨張性黒鉛(熱膨張性耐火材)。
DESCRIPTION OF SYMBOLS 1 ... Frame body, 2 ... Guide rail, 3 ... Shutter curtain, 4 ... Case, 5 ... Winding shaft, 2
DESCRIPTION OF SYMBOLS 2 ... Top plate, 30 ... Reinforcement material, 32 ... 1st rivet (1st fixing tool), 33 ... 2nd rivet (2nd fixing tool), 35 ... Thermal expansion graphite (thermal expansion refractory material) ).

Claims (2)

ケース内に設けた巻取軸でシャッターカーテンを巻き上げ、繰り下げるようにしたシャッターであって、
前記ケースのアルミ製の天板と前記巻取軸との間に配置されて前記天板に室外側寄りで固着されるアルミの融点以上の融点の補強材と、前記補強材の下方に配置される支持部材とを備えており、
前記支持部材の室外側の先端部は、前記補強材の室内側部よりも室外側に位置しており、
前記補強材の室外側寄りは、前記巻取軸の頂点よりも室外側に位置することを特徴とするシャッター。
A shutter that winds up and lowers the shutter curtain with a winding shaft provided in the case,
A reinforcing material having a melting point equal to or higher than the melting point of aluminum, which is disposed between the aluminum top plate of the case and the winding shaft and is fixed to the top plate near the outdoor side, and is disposed below the reinforcing material. And a supporting member
The front-end | tip part of the outdoor side of the said supporting member is located in the outdoor side rather than the indoor side part of the said reinforcing material,
The shutter close to the outdoor side of the reinforcing material is located on the outdoor side of the apex of the winding shaft .
前記補強材の室外側寄りを、前記天板の室外側寄りに固着具で固着したことを特徴とする請求項1に記載のシャッター。  2. The shutter according to claim 1, wherein an outer side of the reinforcing material is fixed to an outer side of the top plate with a fixing tool.
JP2015219554A 2015-11-09 2015-11-09 shutter Active JP6072883B2 (en)

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