JP6513267B2

JP6513267B2 - door

Info

Publication number: JP6513267B2
Application number: JP2018115670A
Authority: JP
Inventors: 知規広瀬; 陽一竹田; さと子松井; 由季増井; 直浩西尾
Original assignee: Sankyo Tateyama Inc
Current assignee: Sankyo Tateyama Inc
Priority date: 2018-06-19
Filing date: 2018-06-19
Publication date: 2019-05-15
Anticipated expiration: 2033-09-27
Also published as: JP2018159267A

Description

本発明は、親ドアと子ドアを備えるドアに関する。 The present invention relates to a door provided with a parent door and a child door.

従来の親子ドアは、子ドアの戸先部の室内側に設けた煙返しに軟質樹脂より成るタイト材（例えば、特許文献１参照）を設け、タイト材を親ドアに当接させることで気密性や水密性を確保している。火災時には、タイト材が溶融して無くなり、親ドアと子ドアの突合せ部より火炎や煙が室内外を連通し、延焼に繋がるおそれがあった。 In conventional parent and child doors, a tight material (for example, see Patent Document 1) made of soft resin is provided on the smoke return provided on the indoor side of the door tip of the child door, and airtightness is achieved by bringing the tight material into contact with the main door. To ensure sex and watertightness. At the time of fire, the tight material melted and disappeared, and there was a possibility that flames and smoke could communicate between the inside and the outside of the room from the butt portion of the main door and the sub door, leading to the spread of fire.

特開平１０−３７６２９号公報Japanese Patent Application Laid-Open No. 10-37629

本発明は以上に述べた実情に鑑み、火災時に親子ドアの突合せ部からの火炎や煙の連通を防ぎ、延焼を防止できるドアの提供を目的とする。 SUMMARY OF THE INVENTION In view of the above-described circumstances, it is an object of the present invention to provide a door capable of preventing the spread of fire by preventing the communication of flames and smoke from the butt joints of a parent and child door at the time of fire.

上記の課題を達成するために請求項１記載の発明によるドアは、親ドアと子ドアを備え、子ドアは戸先部に煙返しを有し、煙返しは、見付面部にタイト材を有し、タイト材は、親ドアに当接する軟質樹脂製ヒレ片部と、火災の熱により発泡する発泡性耐火材部と、子ドアのタイト材ホルダーへの取付部とを有し、発泡性耐火材部は、軟質樹脂製ヒレ片部と取付部との間に設けてあると共に、親子ドアの突合せ部の隙間に見込面が露出してはみ出しており、親子ドアを閉じた状態で発泡性耐火材部の親ドア側の見付面を軟質樹脂製ヒレ片部が覆っていることを特徴とする。 In order to achieve the above object, the door according to the invention according to claim 1 has a parent door and a child door, the child door has a smoke return at the door tip, and the smoke return has a tight material on the found surface part The tight material has a soft resin fin piece in contact with the parent door, a foamable refractory material part that foams due to the heat of fire, and an attachment part of the child door to the tight material holder. The refractory portion is provided between the soft resin fin portion and the mounting portion, and the expected surface is exposed and protruded in the gap between the butt portion of the parent and child door, and the foamability is achieved with the parent and child door closed. It is characterized in that a soft resin fin portion covers the found surface of the fireproof part on the side of the parent door .

請求項１記載の発明によるドアは、子ドアの戸先部に煙返しを有し、煙返しは、見付面部にタイト材を有し、タイト材は、親ドアに当接する軟質樹脂製ヒレ片部と、火災の熱により発泡する発泡性耐火材部と、子ドアのタイト材ホルダーへの取付部とを有し、発泡性耐火材部は、軟質樹脂製ヒレ片部と取付部との間に設けてあると共に、親子ドアの突合せ部の隙間に見込面が露出してはみ出しており、親子ドアを閉じた状態で発泡性耐火材部の親ドア側の見付面を軟質樹脂製ヒレ片部が覆っているので、子ドアの煙返しに取付けたタイト材の発泡性耐火材部が見え難く、外観を損ねることがなく、火災時にはタイト材の発泡性耐火材部が発泡して親子ドアの突合せ部の隙間を塞ぐため、親子ドアの突合せ部からの火炎や煙の連通を防ぎ、延焼を防止できる。 The door according to the invention according to claim 1 has a smoke return at the door tip of the child door, the smoke return has a tight material on the finding surface, and the tight material is a soft resin fillet that contacts the parent door. It has a piece part, a foamable refractory material part that is foamed by the heat of fire, and a fitting part of the child door to the tight material holder, and the foamable refractory material part consists of a soft resin fin part and a fitting part While being provided between them, the expected surface is exposed in the gap of the butt portion of the parent and child door and protrudes, and with the parent and child door closed, the finding surface on the parent door side of the foamable refractory part is made of soft resin fillet Since the one piece covers, the foamable refractory material part of the tight material attached to the smoke return of the child door is hard to see and there is no loss of appearance, and the foamable refractory material part of the tight material foams at the time of fire. In order to close the gap in the butt portion of the door, it prevents the communication of the flame and smoke from the butt portion of the parent and child door, It can be prevented.

親子ドアの突合せ部を拡大して示す横断面図である。It is a cross-sectional view which expands and shows the abutment part of a parent-child door. 図３のＡ−Ａ断面図である。It is AA sectional drawing of FIG. 本発明に係るドアの一実施形態を示す室内側正面図である。It is an indoor side front view which shows one Embodiment of the door which concerns on this invention. 火災時における親子ドアの突合せ部の横断面図である。It is a cross-sectional view of the butt | matching part of the parent-child door at the time of a fire.

以下、本発明の実施の形態を図面に基づいて説明する。図１〜３は、本発明に係るドアの一実施形態を示している。本ドアは玄関用のドアであり、図２，３に示すように、躯体開口部に取付けられる枠７と、一方の竪枠８ａに蝶番９ａで室外側に開くように取付けた親ドア１と、他方の竪枠８ｂに蝶番９ｂで室外側に開くように取付けた子ドア２を備える。親ドア１は、戸先側にハンドル１０と、ハンドル１０と連動したラッチ錠と、ハンドル１０の上下２か所に設けた本締り錠３８ａ，３８ｂを備え、ラッチ錠と本締り錠３８ａ，３８ｂを子ドア２の戸先部に設けた錠受けに係合することで施錠される。子ドア２は、フランス落しにより施錠される。 Hereinafter, embodiments of the present invention will be described based on the drawings. 1 to 3 show an embodiment of a door according to the present invention. This door is a door for the entrance, and as shown in FIGS. 2 and 3, a frame 7 attached to the opening of the casing, and a main door 1 attached to one weir frame 8a so as to open outside with a hinge 9a. , And a child door 2 attached to the other chopstick frame 8b so as to open outward with a hinge 9b. The parent door 1 is provided with a handle 10 on the door tip side, latch locks interlocked with the handle 10, and permanent lock locks 38a and 38b provided at two positions above and below the handle 10, and the latch lock and the permanent lock locks 38a and 38b Is locked by engaging a lock holder provided at the tip of the child door 2. The child door 2 is locked by French dropping.

親ドア１は、図２に示すように、金属製のフレーム１１を四周枠組みし、その枠内に発泡スチロール板等の断熱材１２を配置し、室外側と室外側に鋼板よりなるパネル１３ａ，１３ｂを貼り付けたいわゆるフラッシュ構造となっている。パネル１３ａ，１３ｂは、四周の縁部を見込み方向に折り曲げて、リベット１４でフレーム１１に固定してある。
親ドア１の戸先側の見込面には、図１に示すように、アルミ形材よりなるエッジ材１５が取付けてある。エッジ材１５は、室外側に煙返し１６を有し、煙返し１６は室外側に突出する見込面部１６ａと、見込面部１６ａの先端より親ドア１の戸先側に突出する見付面部１６ｂを有しており、煙返し１６により親子ドア１，２の突合せ部の隙間１７を室外側から隠している。
親ドア１の戸先側の見込面の室外側の部分には、熱に反応して発泡・膨張する発泡性耐火材１８が長手方向に沿って設けてある。かかる発泡性耐火材１８は、市販品の中から適宜選択して用いることができ、例えば積水化学工業株式会社製の商品名「フィブロック」を用いることができる。これは、プラスチック技術を活用した有機系耐火材であり、通常の状態では薄いシート状で、２００℃以上に加熱されると厚さ方向に５〜４０倍に膨張し、断熱層を形成する。火災時に消失することがなく、有害ガスが発生することもない。またフィブロックは、片面に剥離紙付きの接着層を有しているので、剥離紙を剥がして簡便に接着取付けできる。 As shown in FIG. 2, the parent door 1 frames a metal frame 11 four turns, arranges a heat insulating material 12 such as a polystyrene foam plate in the frame, and makes panels 13a and 13b made of steel plates on the outdoor side and the outdoor side. It has a so-called flash structure pasted with. The panels 13a and 13b are fixed to the frame 11 by rivets 14 by bending the edges of the four circumferences in a prospective direction.
As shown in FIG. 1, an edge member 15 made of an aluminum profile is attached to the prospective surface on the door tip side of the parent door 1. The edge member 15 has a smoke return 16 on the outdoor side, and the smoke return 16 has a prospective surface 16a projecting to the outdoor side and a detected surface 16b projecting to the door tip side of the main door 1 from the tip of the prospective surface 16a. It has it, and the gap 17 of the butt | matching part of the parent and child door 1, 2 is concealed from the outdoor side by smoke return 16. FIG.
A foamable refractory material 18 that foams and expands in response to heat is provided along the longitudinal direction on the outer side of the prospective surface on the door tip side of the parent door 1. The foamable refractory material 18 can be appropriately selected from commercially available products and used. For example, a trade name "Fiblock" manufactured by Sekisui Chemical Co., Ltd. can be used. This is an organic refractory material utilizing plastic technology, and is in the form of a thin sheet in a normal state, and when heated to 200 ° C. or more, it expands 5 to 40 times in the thickness direction to form a heat insulating layer. It does not disappear at the time of fire and no harmful gas is generated. In addition, since the fibrock has an adhesive layer with release paper on one side, the release paper can be peeled off and attached easily.

子ドア２は、親ドア１と同様に、金属製のフレーム１９を四周枠組みし、その枠内に発泡スチロール板等の断熱材２０を配置し、室外側と室外側に鋼板よりなるパネル２１ａ，２１ｂを貼り付けたいわゆるフラッシュ構造となっている。パネル２１ａ，２１ｂは、四周の縁部を見込み方向に折り曲げて、リベット２２でフレーム１９に固定してある。
子ドア２の戸先側の見込面には、図１に示すように、アルミ形材よりなるエッジ材２３が取付けてある。エッジ材２３は、室内側に煙返し３を有し、煙返し３は室内側に突出する見込面部３ａと、見込面部３ａの先端より子ドア２の戸先側に突出する見付面部３ｂを有し、煙返し３により親子ドア１，２の突合せ部の隙間１７を室内側から隠している。見付面部３ｂの戸先側端部には、タイト材ホルダー２４が室外側に向けて設けられ、タイト材ホルダー２４にタイト材４が取付けてある。タイト材４は、軟質樹脂製ヒレ片部５と、熱に反応して発泡・膨張する発泡性耐火材部６とを、二色押出成形により一体化したものである。軟質樹脂製ヒレ片部５は、発泡性耐火材部６よりも煙返し３の見込面部３ａから遠い側にあって、親ドア１の室内側の見付面の戸先側端部に当接し、親子ドア１，２の突合せ部の隙間１７からの風雨の吹き込みを阻止している。発泡性耐火材部６は、軟質樹脂製ヒレ片部５よりも煙返し３の見込面部３ａに近い側にあって、親子ドア１，２の突合せ部の隙間１７に対向している。発泡性耐火材部６は、中空部２５を設けて弾力性を持たせている。 The child door 2 frames the metal frame 19 four rounds like the parent door 1, arranges the heat insulating material 20 such as a polystyrene foam plate in the frame, and makes panels 21a and 21b made of steel plates on the outdoor side and the outdoor side. It has a so-called flash structure pasted with. The panels 21 a and 21 b are fixed to the frame 19 by rivets 22 by bending the four circumferential edges in a prospective direction.
As shown in FIG. 1, an edge member 23 made of an aluminum profile is attached to the expected surface on the door tip side of the child door 2. The edge member 23 has a smoke return 3 on the indoor side, and the smoke return 3 has a prospective surface 3a projecting to the indoor side, and a detected surface 3b projecting to the door tip side of the child door 2 from the tip of the prospective surface 3a. And the gap 17 between the butt portions of the parent and child doors 1, 2 is concealed from the indoor side by the smoke return 3. A tight material holder 24 is provided at the door tip side end of the find surface 3b toward the outdoor side, and the tight material 4 is attached to the tight material holder 24. The tight material 4 is obtained by integrating a soft resin fin portion 5 and a foamable refractory portion 6 that foams and expands in response to heat by two-color extrusion molding. The soft resin fin piece 5 is on the side farther from the prospective surface 3 a of the smoke return 3 than the foamable refractory material 6, and abuts on the end of the door side of the indoor side of the main door 1. , The blowing of the wind and rain from the clearance 17 of the butt | matching part of the parent-child door 1, 2 is prevented. The foamable refractory portion 6 is closer to the prospective surface portion 3 a of the smoke return 3 than the soft resin flat portion 5 and faces the gap 17 of the butt portions of the parent and child doors 1 and 2. The foamable refractory portion 6 is provided with a hollow portion 25 to have elasticity.

煙返し３は、図１に示すように、ステンレス板よりなる補強材２６を取付けて補強してある。補強材２６は、煙返し３の外側（室内側）に配置した主補強材２６ａと、煙返し３の内側（室外側）に配置した従補強材２６ｂとからなり、両補強材２６ａ，２６ｂは煙返し３の見込面部３ａを挟み込むようにしてリベット２７で取付けてある。主補強材２６ａは、室外側の端部が煙返し３の見込面部３ａの付け根部分に形成された溝２８に係止し、室内側の端部がタイト材ホルダー２４の室内側までのびている。従補強材２６ｂは、見込方向・見付方向共に主補強材２６ａよりも短くなっている。煙返し３は、室内側から係合取付けした樹脂製のカバー材２９によりカバーされている。 As shown in FIG. 1, the smoke return 3 is reinforced by attaching a reinforcing material 26 made of a stainless steel plate. The reinforcing member 26 is composed of a main reinforcing member 26a disposed on the outer side (indoor side) of the smoke return 3 and a secondary reinforcing member 26b disposed on the inner side (outdoor side) of the smoke return 3, both reinforcing members 26a and 26b It is attached with a rivet 27 so as to sandwich the expected surface 3 a of the smoke return 3. The end of the main reinforcing member 26a is engaged with the groove 28 formed at the base of the expected surface 3a of the smoke return 3 and the end on the indoor side extends to the indoor side of the tight material holder 24. The secondary reinforcing material 26 b is shorter than the main reinforcing material 26 a in both the expected direction and the finding direction. The smoke return 3 is covered by a resin cover member 29 engaged and attached from the indoor side.

親ドア１及び子ドア２の戸先側見込面の室内側端部には、エッジ材１５，２３とパネル１３ｂ，２１ｂの折り返し部分との間に挟み込んで、発泡性耐火材３０，３１が長手方向に沿って設けてある。
また、子ドア２の戸先側見込面の室外側端部にも発泡性耐火材３２が長手方向に沿って設けてある。この発泡性耐火材３２は、親ドア１の戸先側見込面の発泡性耐火材１８と対向して設けてある。 At the indoor side end of the door tip side expected face of the parent door 1 and the child door 2, the foamable refractory materials 30, 31 are elongated by being sandwiched between the edge members 15, 23 and the folded portions of the panels 13b, 21b. It is provided along the direction.
In addition, a foamable refractory material 32 is also provided along the longitudinal direction at the outdoor end of the expected face on the door tip side of the child door 2. The foamable refractory material 32 is provided opposite to the foamable refractory material 18 on the expected side of the door side of the main door 1.

枠７は、図２に示すように、内周側の見込面の室内側にタイト材ホルダー３３を内周側に突出して有し、タイト材ホルダー３３にタイト材３４が室外側に向けて設けてある。この枠のタイト材３４は、煙返し３のタイト材４と同様に、軟質樹脂製ヒレ片部３５と発泡性耐火材部３６を有するものであり、軟質樹脂製ヒレ片部３５が親ドア１及び子ドア２の室内側見付面の周縁部に当接し、発泡性耐火材部３６は親ドア１及び子ドア２と枠７との隙間３７に対向している。 As shown in FIG. 2, the frame 7 has a tight material holder 33 projecting to the inner circumferential side on the indoor side of the expected surface on the inner circumferential side, and the tight material holder 33 is provided with the tight material 34 facing outward. It is The tight material 34 of this frame, like the tight material 4 of the smoke return 3, has a soft resin fin portion 35 and a foamable refractory portion 36, and the soft resin fin portion 35 is the main door 1. The foamable refractory material portion 36 is in contact with the peripheral edge portion of the indoor side looking surface of the child door 2 and faces the gap 37 between the parent door 1 and the child door 2 and the frame 7.

図４は、火災時における親子ドア１，２の突合せ部の状態を示している。同図に示すように、火災が発生すると子ドア２の煙返し３に取付けたタイト材４の発泡性耐火材部６が火災の熱により発泡・膨張し、親子ドア１，２の突合せ部の隙間１７を室内側から塞ぎ、親子ドア１，２の戸先側見込面の室外側に取付けた発泡性耐火材１８，３２が火災の熱により発泡・膨張し、親子ドア１，２の突合せ部の隙間１７を室外側から塞ぐ。これにより親子ドア１，２の突合せ部からの火炎や煙の連通を防ぎ、延焼を防止できる。
子ドア２の煙返し３が補強材２６で補強してあるため、煙返し３が火災の熱で溶けたとしても補強材２６は残り、タイト材４の発泡性耐火材部６が補強材２６に当たるように発泡・膨張することで、親子ドア１，２の突合せ部の隙間１７を塞いだ状態を確実に維持できる。
また、親ドア１及び子ドア２の見込面に発泡性耐火材１８，３２が対向して設けてあることで、親ドア１が熱反りして戸先側の上部と下部が見込方向に移動したとしても、親子ドア１，２の見込面間の空間を発泡性耐火材１８，３２で密に塞ぐことができる。
さらに、親ドア１及び子ドア２にエッジ材１５，２３とパネル１３ｂ，２１ｂの間に挟み込んで設けた発泡性耐火材３０，３１が発泡・膨張することで、ドアの錠や錠受け等の機能部品の隙間を通って室内側に流れ込む煙や、ドア内部の断熱材１２，２０から発生する可燃ガスが室内側に連通するのを防止できる。
また、枠７のタイト材３４の発泡性耐火材部３６が発泡・膨張して親子ドア１，２の周囲と枠７の間の隙間３７を塞ぎ、親子ドア１，２の周囲と枠７の間から火炎や煙が連通することも防止できる。 FIG. 4 shows the state of the butt portions of the parent and child doors 1 and 2 at the time of fire. As shown in the figure, when a fire occurs, the foamable refractory material portion 6 of the tight material 4 attached to the smoke return 3 of the child door 2 foams and expands due to the heat of the fire, and the butt portions of the parent and child doors 1 and 2 The gap 17 is closed from the indoor side, and the foamable refractory materials 18 and 32 mounted on the outdoor side of the prospective faces of the parent and child doors 1, 2 foam and expand due to the heat of the fire, and the butt portions of the parent and child doors 1, 2 The gap 17 is closed from the outdoor side. Thereby, communication of the flame and smoke from the butt | matching part of the parent-child door 1, 2 can be prevented, and fire spread can be prevented.
Since the smoke return 3 of the child door 2 is reinforced by the reinforcing material 26, the reinforcing material 26 remains even if the smoke return 3 is melted by the heat of the fire, and the foamable refractory material 6 of the tight material 4 is reinforced. By foaming and expanding so as to hit, it is possible to reliably maintain the state in which the gap 17 of the butt portion of the parent and child door 1, 2 is closed.
In addition, the foamable refractory materials 18 and 32 are provided opposite to the expected surfaces of the main door 1 and the sub door 2 so that the main door 1 thermally warps and the upper and lower portions of the door tip move in the expected direction Even if it does, the space between the prospects of parent-child door 1 and 2 can be closed up with foamable refractory material 18 and 32 closely.
Further, foamable refractory materials 30 and 31 provided between the edge members 15 and 23 and the panels 13b and 21b in the main door 1 and the subdoor 2 foam and expand to form a lock or a lock of the door, etc. It is possible to prevent the smoke flowing into the room side through the gaps of the functional parts and the combustible gas generated from the heat insulators 12 and 20 inside the door from communicating with the room side.
Further, the foamable refractory material portion 36 of the tight material 34 of the frame 7 foams and expands to close the gap 37 between the periphery of the parent-child doors 1 and 2 and the frame 7, and the periphery of the parent-child doors 1 and 2 and the frame 7 Communication between flames and smoke can also be prevented.

本発明は以上に述べた実施形態に限定されない。タイト材４の軟質樹脂製ヒレ片部５及び発泡性耐火材部６の材質・形状は、適宜変更することができる。親ドア１及び子ドア２の構造は任意であり、フラッシュ構造のものに限らず、例えば框組みした枠にパネルを嵌め込んだ構造等であってもよい。本発明は、玄関ドアに限らず、勝手口のドアや室内のドア等、あらゆるドアに適用することができる。 The present invention is not limited to the embodiments described above. The material and shape of the soft resin fin portion 5 and the foamable refractory portion 6 of the tight material 4 can be appropriately changed. The structure of the parent door 1 and the child door 2 is arbitrary, and is not limited to the flash structure, but may be a structure in which a panel is fitted in a frame which is assembled, for example. The present invention is not limited to the entrance door, but can be applied to any door such as a self-contained door or an indoor door.

１親ドア
２子ドア
３煙返し
４タイト材
５軟質樹脂製ヒレ片部
６発泡性耐火材部 1 parent door 2 child door 3 smoke return 4 tight material 5 soft resin fillet part 6 foamable refractory material part

Claims

親ドアと子ドアを備え、子ドアは戸先部に煙返しを有し、煙返しは、見付面部にタイト材を有し、タイト材は、親ドアに当接する軟質樹脂製ヒレ片部と、火災の熱により発泡する発泡性耐火材部と、子ドアのタイト材ホルダーへの取付部とを有し、発泡性耐火材部は、軟質樹脂製ヒレ片部と取付部との間に設けてあると共に、親子ドアの突合せ部の隙間に見込面が露出してはみ出しており、親子ドアを閉じた状態で発泡性耐火材部の親ドア側の見付面を軟質樹脂製ヒレ片部が覆っていることを特徴とするドア。 The child door has a smoke return at the head of the door, the smoke return has a tight material on the surface to be found, and the tight material has a soft resin fin piece that abuts on the parent door And an expandable fireproof material part that is foamed by the heat of fire, and an attachment part of the child door to the tight material holder, and the expandable fireproof material part is between the soft resin fins and the attachment part While it is provided, the expected surface is exposed and protruded in the gap of the butt portion of the parent and child door, and with the parent and child door closed, the finding surface on the parent door side of the foamable refractory portion is the soft resin fin portion A door that is covered by