JP6665049B2 - Joinery - Google Patents
Joinery Download PDFInfo
- Publication number
- JP6665049B2 JP6665049B2 JP2016142295A JP2016142295A JP6665049B2 JP 6665049 B2 JP6665049 B2 JP 6665049B2 JP 2016142295 A JP2016142295 A JP 2016142295A JP 2016142295 A JP2016142295 A JP 2016142295A JP 6665049 B2 JP6665049 B2 JP 6665049B2
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- Japan
- Prior art keywords
- frame
- fitting
- shoji
- cover member
- hinge
- Prior art date
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Links
- 239000006261 foam material Substances 0.000 claims description 16
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 31
- 229910002804 graphite Inorganic materials 0.000 description 31
- 239000010439 graphite Substances 0.000 description 31
- 238000010438 heat treatment Methods 0.000 description 12
- 230000002093 peripheral effect Effects 0.000 description 10
- 239000000463 material Substances 0.000 description 9
- 239000006260 foam Substances 0.000 description 6
- 239000011521 glass Substances 0.000 description 3
- 230000000903 blocking effect Effects 0.000 description 1
- 230000000994 depressogenic effect Effects 0.000 description 1
- 230000000149 penetrating effect Effects 0.000 description 1
- 230000002265 prevention Effects 0.000 description 1
- 239000011819 refractory material Substances 0.000 description 1
- 238000009751 slip forming Methods 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Landscapes
- Specific Sealing Or Ventilating Devices For Doors And Windows (AREA)
- Special Wing (AREA)
Description
本発明は、防火性を備えた建具に関する。 The present invention relates to a fitting having fire protection.
防火性を備えた建具は、火災時に防火性能を確保するために、枠と障子との間に加熱発泡材を備え、火災の熱により発泡した加熱発泡材により枠と障子との間に障子の全周に渡って連続した火炎に対するタイトラインが形成されることが望ましい。 Fittings with fire protection are equipped with a heated foam between the frame and the shoji to ensure fire protection in the event of a fire. It is desirable that a tight line for a continuous flame is formed over the entire circumference.
建具は、開口を形成する枠に開閉自在に障子が設けられる場合には、枠と障子との間に、取付部材として、例えばヒンジが設けられている場合がある。ヒンジは、障子のサイズが大きい場合には、障子を支持する為にヒンジ自体にも高い剛性が求められる。このため、枠と障子にそれぞれ固定される、ヒンジの部位は、リブなどを設けて剛性が高められている。 In the case of a fitting, when a frame forming an opening is provided with an openable / closable shoji, a hinge, for example, may be provided between the frame and the shoji as an attachment member. When the size of the hinge is large, the hinge itself is required to have high rigidity in order to support the hinge. For this reason, the portions of the hinge fixed to the frame and the shoji each have a rib or the like to increase rigidity.
上記建具のように、剛性が高いヒンジにより障子が枠に固定されている建具では、固定されているヒンジの表面に凹凸があるため、加熱発泡材等を貼り付けたとしても接着面積が十分に確保できず貼り付けられない、或いは、接着し難い虞があり、ヒンジが設けられている範囲においてタイトラインが連続して形成できず防火性が低下するという課題がある。
本発明は、かかる課題に鑑みてなされたものであり、その目的とするところは、より防火性が高い建具を提供することにある。
As in the case of the above fittings, in fittings in which the shoji is fixed to the frame by a hinge having high rigidity, the surface of the fixed hinge has irregularities, so even if a heating foam material or the like is attached, the bonding area is sufficient. There is a possibility that it cannot be secured and cannot be stuck, or there is a possibility that adhesion is difficult, and there is a problem that a tight line cannot be continuously formed in a range where a hinge is provided, and fire resistance is reduced.
The present invention has been made in view of such a problem, and an object of the present invention is to provide a fitting having higher fire resistance.
かかる目的を達成するために本発明の建具は開口を形成する枠体と、前記開口に設けられる障子と、表面に複数の突部を有し、前記枠体と前記障子が対向する部位に取り付けられる取付部材と、前記取付部材が有する前記複数の突部を覆う平坦な面をなす平坦部を備えて、当該取付部材が取り付けられている前記枠体または前記障子に固定されるカバー部材と、前記平坦部に接着されている加熱発泡材と、を有することを特徴とする建具である。 In order to achieve such an object, the fitting of the present invention has a frame forming an opening, a shoji provided in the opening, and a plurality of protrusions on a surface, and is attached to a portion where the frame and the shoji face each other. A mounting member, comprising a flat portion that forms a flat surface covering the plurality of protrusions that the mounting member has, a cover member that is fixed to the frame or the sash to which the mounting member is mounted, And a heated foam material adhered to the flat portion.
このような建具によれば、表面に複数の突部を有している取付部材が、枠体と障子が対向する部位に取り付けられており、取付部材の表面を覆う平坦部を備えたカバー部材の平坦部に加熱発泡材が接着されている。このため、加熱発泡材は、複数の突部を有する取付部材の表面ではなく、取付部材の表面を覆うカバー部材の平坦部に接着されているので、十分な接着面積を確保して加熱発泡材を備えることが可能である。このため、枠体と障子とが対向する部位の表面に複数の突部を備えている取付部材が設けられていたとしても、加熱発泡材は外れ難く、より確実に配置しておくことが可能である。このため、枠体と障子とが対向する部位に連続した火炎に対するタイトラインが形成しやすいので、より防火性が高い建具を提供することが可能である。 According to such a fitting, a mounting member having a plurality of protrusions on the surface is mounted on a portion where the frame body and the shoji are opposed to each other, and a cover member having a flat portion covering the surface of the mounting member. The heated foam material is adhered to the flat part of. For this reason, the heating foam material is bonded not to the surface of the mounting member having a plurality of protrusions but to the flat portion of the cover member that covers the surface of the mounting member. Can be provided. For this reason, even if an attachment member having a plurality of protrusions is provided on the surface of the portion where the frame body and the shoji face each other, the heated foam material is unlikely to come off and can be more securely arranged. It is. For this reason, a tight line for a continuous flame is easily formed at a portion where the frame and the shoji face each other, so that it is possible to provide a fitting with higher fire resistance.
かかる建具であって、前記カバー部材は、前記平坦部から突出し、前記加熱発泡材が前記平坦部との間に配置される突出部を備えていることが望ましい。
このような建具によれば、加熱発泡材は、カバー部材の平坦部から突出する突出部と平坦部との間に配置されているので、加熱発泡材の剥がれる方向への移動が突出部により規制される。このため、加熱発泡材はより剥がれにくいので、より確実に平坦部に留めておくことが可能である。
In such fittings, it is preferable that the cover member includes a protruding portion that protrudes from the flat portion and the heated foam material is disposed between the flat member and the flat portion.
According to such a fitting, since the heating foam is disposed between the flat portion and the projection protruding from the flat portion of the cover member, the movement of the heating foam in the peeling direction is restricted by the projection. Is done. For this reason, since the heat-foamed material is harder to peel off, it is possible to more reliably keep the heat-foamed material on the flat portion.
かかる建具であって、前記枠体と前記障子との間には、前記カバー部材とともに全周に繋がるように、加熱発泡材が設けられていることが望ましい。
このような建具によれば、枠体と障子との間には、平坦部に加熱発泡材が設けられているカバー部材と、当該カバー部材とともに設けられる加熱発泡材とが全周に繋がっているので、ほぼ全周に渡って加熱発泡材が設けられている。枠体と障子とが対向する部位において、取付部材が設けられている部位の全域に加熱発泡材が設けられていない場合より、高い防火性を備えることが可能である。
In this fitting, it is preferable that a heating foam material is provided between the frame and the shoji so as to be connected to the entire circumference together with the cover member.
According to such a fitting, between the frame and the shoji, the cover member in which the heating foam is provided on the flat portion and the heating foam provided with the cover member are connected to the entire circumference. Therefore, the heating foam material is provided over almost the entire circumference. In a portion where the frame and the shoji face each other, it is possible to provide higher fire protection than a case where the heating foam material is not provided over the entire region where the attachment member is provided.
かかる建具であって、前記取付部材は、前記障子を前記枠体に開閉自在に支持するヒンジであることが望ましい。
このような建具によれば、例えば、剛性を高めるためにリブなどにより補強されることにより表面に複数の突部を有するヒンジは、大型の障子を支持することが可能なので、大きなサイズの建具にあっても、より高い防火性能を備えることが可能である。
In such a fitting, it is preferable that the attachment member is a hinge that supports the sash on the frame so as to be freely opened and closed.
According to such a fitting, for example, a hinge having a plurality of protrusions on its surface by being reinforced by a rib or the like to increase rigidity can support a large sash, so that a fitting of a large size can be used. Even so, it is possible to provide higher fire protection performance.
本発明によれば、より防火性が高い建具を提供することが可能である。 ADVANTAGE OF THE INVENTION According to this invention, it is possible to provide a more highly fireproof fitting.
以下、本発明の一実施形態に係る建具について図面を参照して説明する。
本実施形態の建具１は、例えば図１、図２に示すような外倒し窓用の建具１である。
Hereinafter, a fitting according to an embodiment of the present invention will be described with reference to the drawings.
The fitting 1 of the present embodiment is, for example, a fitting 1 for a folding window as shown in FIGS. 1 and 2.
以下の説明においては、建物に取り付けられている状態の建具１を室内側から見たときに、上下となる方向を上下方向、左右となる方向を左右方向、奥行き方向を見込み方向として示す。建具１の各部位であっても、また、建具１を構成する各部材については単体の状態であっても、建物に取り付けられた状態にて上下方向、左右方向、見込み方向となる方向にて方向を特定して説明する。 In the following description, when the fitting 1 attached to a building is viewed from the indoor side, the up-down direction is shown as an up-down direction, the left-right direction is shown as a left-right direction, and the depth direction is shown as a prospective direction. Even if it is each part of the fitting 1, and even if each member constituting the fitting 1 is in a single state, it can be installed in a building in a vertical direction, a left-right direction, or a prospective direction. The direction is specified and described.
建具１は、図１、図２に示すように、建物等に取り付けられた状態にて上に位置する上枠２１と、下に位置する下枠２２と、左右に位置する縦枠２３とが矩形状に接合された枠体２と、枠体２に設けられ回動することにより枠体２により形成される開口２ｃを閉塞可能な障子３と、を備えている。この建具１は、障子３の下端が下枠２２にヒンジ４を介して回動自在に支持されており、障子３の上端側が屋外側に移動するように障子３が回動する外倒し窓用の建具１である。 As shown in FIGS. 1 and 2, the fitting 1 includes an upper frame 21 located above, a lower frame 22 located below, and a vertical frame 23 located left and right in a state of being attached to a building or the like. The frame 2 includes a frame 2 joined in a rectangular shape, and a shoji 3 provided on the frame 2 and capable of closing an opening 2c formed by the frame 2 by rotating. The fitting 1 has a lower end of a shoji 3 rotatably supported by a lower frame 22 via a hinge 4, and is used for an overturning window on which the shoji 3 rotates so that an upper end of the shoji 3 moves to the outdoor side. The fitting 1 of FIG.
枠体２は、上枠２１、下枠２２と左右の縦枠２３の、各々見込み方向に沿う枠見込面部２ａと、枠見込面部２ａから、矩形をなす枠体２の内側に延出する室内延出部２ｂと、を有している。各室内延出部２ｂは、枠体２の見込み方向における室内側に配置されて同一平面をなし、その中央側が矩形状の開口２ｃをなしている。各室内延出部２ｂの内周側、すなわち開口２ｃを形成している縁部には、室外側に向かって突出し、閉じた状態の障子３が当接される止水材５が全周に渡って設けられている。 The frame 2 includes an upper frame 21, a lower frame 22, and a left and right vertical frame 23, each of which has a frame projection surface 2 a extending in the expected direction and a room extending from the frame projection surface 2 a to the inside of the rectangular frame 2. And an extension 2b. Each indoor extending portion 2b is arranged on the indoor side in the expected direction of the frame 2 and forms the same plane, and the center side thereof forms a rectangular opening 2c. On the inner peripheral side of each indoor extension portion 2b, that is, on the edge portion forming the opening 2c, a waterproof material 5 protruding toward the outdoor side and contacting the closed shoji 3 is formed all around. It is provided across.
障子３は、複層ガラス３ａと、複層ガラス３ａの上側に位置する上框３１、下側に位置する下框３２及び左右に配置されて対をなす縦框３３を有する框体３０と、を有している。矩形状に接合された框体３０の内周部に設けられ、内周側が開放されて外周側に窪む溝部に、周端部が収容されて複層ガラス３ａが保持されている。 The shoji 3 includes a double-glazed glass 3 a, an upper frame 31 located above the double-glazed glass 3 a, a lower frame 32 positioned below and a frame body 30 having a pair of vertical frames 33 arranged on the left and right sides, have. The double-glazed glass 3a is held in a groove provided on the inner peripheral portion of the frame body 30 joined in a rectangular shape, the inner peripheral side is opened and the outer peripheral side is depressed, and the peripheral end is housed.
框体３０の外周部には、障子３を閉じた状態で、枠体２の枠見込面部２ａと対向する框見込面部３０ａと、框見込面部３０ａの室内側の縁から内周側に延出されて、各室内延出部２ｂに設けられた止水材５に当接される室内壁部３０ｂと、框見込面部３０ａの室外側の縁から外周側に延出された室外延出部３０ｃと、を有している。下框３２及び左右の縦框３３の室外延出部３０ｃの外周縁部には、外周側に突出させて枠体２の、枠見込面部２ａに当接される止水材６が設けられている。また、上框３１の室外延出部３０ｃの外周縁部には、上枠２１の枠見込面部２ａにおける室外側の端部に、内周側に突出させて設けられた止水材７が当接されている。 On the outer peripheral portion of the frame body 30, with the shoji 3 closed, a frame prospect surface portion 30a facing the frame prospect surface portion 2a of the frame body 2 and an inner peripheral side extending from the indoor side edge of the frame prospect surface portion 30a. Then, the indoor wall portion 30b abutting on the water blocking material 5 provided in each indoor extension portion 2b, and the outdoor extension portion 30c extending outwardly from the outside edge of the frame prospect surface portion 30a. And At the outer peripheral edge of the outdoor extension 30c of the lower frame 32 and the left and right vertical frames 33, there is provided a water-stopping material 6 projecting to the outer peripheral side and abutting on the frame expected surface 2a of the frame 2. I have. In addition, a water-stopping material 7 is provided on the outer peripheral edge of the outdoor extension portion 30c of the upper frame 31 at the end of the upper frame 21 on the outdoor side of the frame prospect surface 2a so as to protrude inward. Touched.
このため、枠体２と框体３０との間には、枠体２の枠見込面部２ａ及び室内延出部２ｂと框体３０の框見込面部３０ａ及び室外延出部３０ｃと、止水材５、６、７とにより全周にわたって形成される空間が形成されている。 For this reason, between the frame body 2 and the frame body 30, between the frame prospect surface portion 2a and the indoor extension portion 2b of the frame body 2, the frame prospect surface portion 30a and the outdoor extension portion 30c of the frame body 30, and the waterproof material 5, 6, and 7 form a space formed over the entire circumference.
また、下枠２２と下框３２とは、２つのヒンジ４により連結されている。ヒンジ４は、図３、図４に示すように、下枠２２の枠見込面部２ａに固定される枠側固定部４１と、下框３２に固定される框側固定部４２と、を有している。枠側固定部４１と框側固定部４２とは、下枠２２及び下框３２の長手方向に沿って設けられている回動軸４３により回動自在に連結されている。枠側固定部４１は、枠見込面部２ａに対面させて当接される板状の部位であり、枠見込面部２ａと反対側に窪ませた枠側リブ４１ａが設けられている。枠側固定部４１において下枠２２の枠見込面部２ａより室外側に張り出している部位にて框側固定部４２と回動軸４３により連結されている。 The lower frame 22 and the lower frame 32 are connected by two hinges 4. As shown in FIGS. 3 and 4, the hinge 4 has a frame-side fixing portion 41 fixed to the frame prospect surface 2 a of the lower frame 22 and a frame-side fixing portion 42 fixed to the lower frame 32. ing. The frame-side fixing portion 41 and the frame-side fixing portion 42 are rotatably connected by a rotation shaft 43 provided along the longitudinal direction of the lower frame 22 and the lower frame 32. The frame-side fixing portion 41 is a plate-shaped portion that is brought into contact with and facing the frame prospect surface portion 2a, and is provided with a frame-side rib 41a that is recessed on the opposite side to the frame prospect surface portion 2a. The frame-side fixing portion 41 is connected to the frame-side fixing portion 42 by a rotating shaft 43 at a portion projecting outside the frame from the frame expectation surface portion 2 a of the lower frame 22.
框側固定部４２は、下框３２の框見込面部３０ａに対面させて当接される第１固定部４２ａと、室外延出部３０ｃに対面させて当接される第２固定部４２ｂと、がほぼ直角をなして繋がっている。框側固定部４２は、第１固定部４２ａから第２固定部４２ｂにわたり、框見込面部３０ａ及び室外延出部３０ｃの反対側に突出する突部としての框側リブ４２ｃが複数設けられている。框側固定部４２は、第２固定部４２ｂにおける第１固定部４２ａと反対側の端部が枠側固定部４１と回動軸４３により連結されている。ここで、ヒンジ４が取付部材に相当する。 The frame-side fixing portion 42 includes a first fixing portion 42a that faces and contacts the frame prospect surface portion 30a of the lower frame 32, and a second fixing portion 42b that faces and contacts the outdoor extension portion 30c. Are connected at almost right angles. The frame-side fixing portion 42 extends from the first fixing portion 42a to the second fixing portion 42b, and is provided with a plurality of frame-side ribs 42c as protrusions protruding to the opposite sides of the frame prospect surface portion 30a and the outdoor extension portion 30c. . The frame-side fixing portion 42 has an end of the second fixing portion 42b opposite to the first fixing portion 42a connected to the frame-side fixing portion 41 by a rotating shaft 43. Here, the hinge 4 corresponds to a mounting member.
下框３２には、框見込面部３０ａに固定されている第２固定部４２ｂの複数の框側リブ４２ｃと僅かに間隔を空けて対向する平坦な面をなす平坦部８ａを備えて、ヒンジ４が取り付けられている下框３２に固定されるカバー部材８が設けられている。 The lower frame 32 is provided with a flat portion 8a which forms a flat surface slightly opposed to the plurality of frame-side ribs 42c of the second fixing portion 42b fixed to the frame prospect surface portion 30a, There is provided a cover member 8 fixed to the lower frame 32 to which is attached.
カバー部材８は、図５、図６に示すように、平坦部８ａにおける下框３２の長手方向の両端部に、框見込面部３０ａにビス止めされるビス止め部８ｂを有し、２つのビス止め部８ｂと平坦部８ａとの間にはそれぞれ、段差を有するビス止め部８ｂと平坦部８ａとの間を繋ぐ傾斜部８ｃが設けられている。また、平坦部８ａにおける第２固定部４２ｂ側の端部は、第２固定部４２ｂと間隔を空けて対面する対面部８ｄが設けられている。 As shown in FIGS. 5 and 6, the cover member 8 has, at both ends in the longitudinal direction of the lower frame 32 in the flat portion 8a, a screw fixing portion 8b which is screwed to the frame prospect surface 30a. An inclined portion 8c is provided between the stop portion 8b and the flat portion 8a to connect the screw stop portion 8b having a step and the flat portion 8a. Further, an end portion on the side of the second fixing portion 42b in the flat portion 8a is provided with a facing portion 8d facing the second fixing portion 42b with an interval.
また、平坦部８ａには、図５（ａ）に示すように、下框３２の長手方向における中央部に位置させて、下枠２２の室内延出部２ｂ側から対面部８ｄ側に向かって框見込面部３０ａから漸次離れる方向に傾斜するように曲げ起こされた突出部としての曲起部８ｅと、曲起部８ｅの先端から延出され、曲起部８ｅから離れるにつれて框見込面部３０ａに近づく先端近接部８ｆとを有している。先端近接部８ｆの先端は、框見込面部３０ａと間隔が空けられている。 Also, as shown in FIG. 5A, the flat portion 8a is positioned at the center in the longitudinal direction of the lower frame 32, and moves from the room extending portion 2b side of the lower frame 22 toward the facing portion 8d side. A bent portion 8e as a protrusion bent and inclined so as to be gradually inclined away from the frame prospect surface portion 30a and a frame projected surface portion 30a extending from the tip of the curved portion 8e and moving away from the curved portion 8e. And an approaching front end portion 8f. The distal end of the distal end proximity portion 8f is spaced from the frame prospect surface 30a.
カバー部材８には、平坦部８ａの両面と対面部８ｄの第２固定部４２ｂ側の面にそれぞれ、加熱発泡材としての熱膨張性黒鉛９が貼り付けられている。また、下框３２の框見込面部３０ａには、長手方向においてカバー部材８が設けられていない部位にも熱膨張性黒鉛９がカバー部材８と繋がって設けられている。このとき、熱膨張性黒鉛９は、図５（ｂ）に示すように、曲起部８ｅ及び先端近接部８ｆと框見込面部３０ａとの間にも設けられている。 On the cover member 8, thermally expandable graphite 9 as a heating foam material is attached to both surfaces of the flat portion 8a and surfaces of the facing portion 8d on the second fixing portion 42b side. Further, on the frame prospect surface portion 30a of the lower frame 32, the thermally expandable graphite 9 is provided so as to be connected to the cover member 8 even at a portion where the cover member 8 is not provided in the longitudinal direction. At this time, as shown in FIG. 5B, the thermally expandable graphite 9 is also provided between the bent portion 8e and the front end proximate portion 8f and the frame prospect surface portion 30a.
枠体２と框体３０との間には、下枠２２と下框３２の間のみならず、上枠２１と上框３１との間、左の縦枠２３と左の縦框３３との間、右の縦枠２３と右の縦框３３との間にも、それぞれ、熱膨張性黒鉛９が設けられている。より具体的には、上枠２１、左右の縦枠２３の室内延出部２ｂにおける室外側の面に、上枠２１、左右の縦枠２３の全長にわたって熱膨張性黒鉛９が貼り付けられている。また、左右の縦框３３の框見込面部３０ａの室外側の部位に、左右の縦框３３の全長にわたって熱膨張性黒鉛９が貼り付けられている。 Between the frame 2 and the frame 30, not only between the lower frame 22 and the lower frame 32, but also between the upper frame 21 and the upper frame 31, and between the left vertical frame 23 and the left vertical frame 33. The heat-expandable graphite 9 is also provided between the right vertical frame 23 and the right vertical frame 33, respectively. More specifically, the heat-expandable graphite 9 is attached over the entire length of the upper frame 21 and the left and right vertical frames 23 to the outdoor surface of the upper frame 21 and the left and right vertical frames 23 in the indoor extension portion 2b. I have. Further, the thermally expandable graphite 9 is attached to the left and right vertical frames 33 over the entire length of the left and right vertical frames 33 on the outdoor portion of the left and right vertical frames 33.
本実施形態の建具１によれば、枠体２と障子３の框体３０が対向する部位には、表面に複数の框側リブ４２ｃを備えているヒンジ４が取り付けられているが、ヒンジ４の表面を覆う平坦部８ａを備えたカバー部材８の平坦部８ａに熱膨張性黒鉛９が設けられているので、十分な接着面積を確保して熱膨張性黒鉛９を備えることが可能である。このため、枠体２と框体３０とが対向する部位に表面に複数の框側リブ４２ｃを備えているヒンジ４が設けられていたとして、熱膨張性黒鉛９は外れ難く、より確実に配置しておくことが可能である。このため、枠体２と框体３０とが対向する部位に火炎に対するタイトラインを連続して形成しやすいので、より防火性が高い建具１を提供することが可能である。 According to the fitting 1 of the present embodiment, a hinge 4 having a plurality of frame-side ribs 42c on its surface is attached to a portion where the frame 2 and the frame 30 of the shoji 3 face each other. Since the heat-expandable graphite 9 is provided on the flat portion 8a of the cover member 8 having the flat portion 8a covering the surface of the heat-expandable graphite 9, the heat-expandable graphite 9 can be provided while securing a sufficient bonding area. . Therefore, assuming that the hinge 4 having the plurality of frame-side ribs 42c is provided on the surface where the frame 2 and the frame 30 face each other, the thermally expandable graphite 9 is unlikely to come off and is more securely arranged. It is possible to keep. Therefore, it is easy to continuously form a tight line against the flame at a position where the frame 2 and the frame 30 face each other, so that it is possible to provide the fitting 1 having higher fire resistance.
また、熱膨張性黒鉛９は、カバー部材８の平坦部８ａより表面側に突出する曲起部８ｅ及び先端近接部８ｆと平坦部８ａとの間に配置されているので、剥がれる方向への熱膨張性黒鉛９の移動が曲起部８ｅにより規制される。このため、熱膨張性黒鉛９はより剥がれにくいので、より確実に平坦部８ａに留めておくことが可能である。 In addition, since the heat-expandable graphite 9 is disposed between the flat portion 8a and the bent portion 8e protruding from the flat portion 8a of the cover member 8 to the surface side, and the flat portion 8a, the heat in the direction in which the graphite 9 peels off. The movement of the expandable graphite 9 is restricted by the bent portion 8e. For this reason, since the thermally expandable graphite 9 is harder to peel off, it is possible to more reliably hold the same on the flat portion 8a.
また、枠体２と框体３０との間には、平坦部８ａに熱膨張性黒鉛９が設けられているカバー部材８と熱膨張性黒鉛９とが全周に繋がっているので、ほぼ全周に渡って熱膨張性黒鉛９が設けられている。このため、枠体２と框体３０とが対向する部位において、ヒンジ４が設けられている部位の全域に加熱発泡材が設けられていない場合より、高い防火性を備えることが可能である。また、下枠２２と下框３２との間の狭い空間内にて熱膨張性黒鉛９が発泡すると、下枠２２と下框３２との間において発泡した熱膨張性黒鉛９が充満する。このため、たとえカバー部材８のビス止め部８ｂ及び傾斜部８ｃに熱膨張性黒鉛９が設けられていなくとも、発泡した熱膨張性黒鉛９が、熱膨張性黒鉛９が設けられていない僅かな空間にも回り込んで、全周に繋がった火炎に対するタイトラインを形成することが可能である。尚、ビス止め部８ｂ及び傾斜部８ｃにも熱膨張性黒鉛９を設けても良い。 Also, between the frame 2 and the frame 30, the cover member 8 having the flat portion 8a provided with the heat-expandable graphite 9 and the heat-expandable graphite 9 are connected to the entire circumference, so that almost all A thermally expandable graphite 9 is provided around the circumference. For this reason, in the part where the frame body 2 and the frame body 30 face each other, it is possible to provide higher fire protection than when the heating foam material is not provided in the entire area where the hinge 4 is provided. When the thermally expandable graphite 9 foams in a narrow space between the lower frame 22 and the lower frame 32, the thermally expandable graphite 9 foamed between the lower frame 22 and the lower frame 32 is filled. For this reason, even if the thermally expandable graphite 9 is not provided on the screw stopper 8 b and the inclined portion 8 c of the cover member 8, the foamed thermally expandable graphite 9 is slightly removed without the thermally expandable graphite 9. It is also possible to form a tight line with respect to the flame connected to the entire circumference by going into the space. Incidentally, the thermally expandable graphite 9 may be provided on the screw stopper 8b and the inclined part 8c.
また、剛性を高めるために框側リブ４２ｃや枠側リブ４１ａなどにより補強されて、表面に複数の凹凸が形成されているヒンジ４であっても、熱膨張性黒鉛９を確実に備えることが可能なので、大型の障子３を支持することが可能である。このため、大きなサイズの建具にあっても、より高い防火性能を備えることが可能である。 Further, even if the hinge 4 is reinforced by the frame-side rib 42c or the frame-side rib 41a in order to increase the rigidity and the surface of the hinge 4 has a plurality of irregularities, it is possible to surely provide the heat-expandable graphite 9. Since it is possible, it is possible to support a large sash 3. For this reason, even in the case of a fitting having a large size, it is possible to provide higher fire prevention performance.
上記実施形態においては、ヒンジ４において、下框３２に固定される框側固定部４２側にカバー部材８と熱膨張性黒鉛９とを設けた例について説明したが、これに限らず、例えば、下枠２２の枠見込面部２ａに固定される枠側固定部４１側にカバー部材８と熱膨張性黒鉛９とを設けても構わない。 In the above-described embodiment, the example in which the cover member 8 and the thermally expandable graphite 9 are provided on the side of the frame-side fixing portion 42 fixed to the lower frame 32 in the hinge 4 has been described. The cover member 8 and the heat-expandable graphite 9 may be provided on the side of the frame-side fixing portion 41 fixed to the frame projection surface portion 2a of the lower frame 22.
また上記実施形態においては、取付部材をヒンジとしたが、取付部材は、室内外を貫通する可能性を有する空間に設けられて、連続して加熱発泡材を設けることを遮る部材であれば、ヒンジに限るものではない。
上記実施形態においては、加熱発泡材を熱膨張性黒鉛９としたが、加熱されて膨張する耐火材であれば、熱膨張性黒鉛に限るものではない。
Further, in the above embodiment, the attachment member is a hinge, but the attachment member is provided in a space having a possibility of penetrating the inside and outside of the room, as long as it is a member that blocks continuous provision of the heating foam material, It is not limited to hinges.
In the above embodiment, the heat-expandable material is the heat-expandable graphite 9. However, the heat-expandable material is not limited to the heat-expandable graphite as long as it is a refractory material that expands when heated.
上記実施形態においては、建具１として外倒し窓用の建具１を例に挙げて説明したが、これに限らず、例えば、引き違い窓、開き窓、すべり出し窓など、枠体により形成される開口を閉塞可能な障子を備えた建具であれば構わない。 In the above embodiment, the fitting 1 for the falling window has been described as an example of the fitting 1; however, the present invention is not limited to this. For example, an opening formed by a frame, such as a sliding window, a casement window, or a sliding window. Any fitting having a shoji that can close the door may be used.
また、上記実施形態は、本発明の理解を容易にするためのものであり、本発明を限定して解釈するためのものではない。本発明は、その趣旨を逸脱することなく、変更、改良され得ると共に、本発明にはその等価物が含まれることはいうまでもない。 Further, the above-described embodiment is for facilitating understanding of the present invention, and is not for limiting and interpreting the present invention. The present invention can be changed and improved without departing from the spirit thereof, and it goes without saying that the present invention includes equivalents thereof.
１ 建具、２ 枠体、２ｃ 開口、３ 障子、４ ヒンジ、８ カバー部材、
８ａ 平坦部、８ｅ 曲起部、８ｆ 先端近接部、９ 熱膨張性黒鉛、
３０ 框体、４１ 枠側固定部、４２ 框側固定部、４２ｃ 框側リブ
1 fitting, 2 frame, 2c opening, 3 shoji, 4 hinge, 8 cover member,
8a flat portion, 8e bent portion, 8f near tip portion, 9 thermally expandable graphite,
30 frame body, 41 frame side fixed part, 42 frame side fixed part, 42c frame side rib
Claims (4)
前記開口に設けられる障子と、
表面に複数の突部を有し、前記枠体と前記障子が対向する部位に取り付けられる取付部材と、
前記取付部材が有する前記複数の突部を覆う平坦な面をなす平坦部を備えて、当該取付部材が取り付けられている前記枠体または前記障子に固定されるカバー部材と、
前記平坦部に接着されている加熱発泡材と、
を有することを特徴とする建具。 A frame forming an opening;
A shoji screen provided in the opening;
An attachment member having a plurality of protrusions on the surface, and being attached to a portion where the frame body and the shoji face each other,
A cover member fixed to the frame or the sash to which the attachment member is attached, comprising a flat portion that forms a flat surface that covers the plurality of protrusions of the attachment member,
A heated foam material adhered to the flat portion,
A fitting comprising:
前記カバー部材は、前記平坦部から突出し、前記加熱発泡材が前記平坦部との間に配置される突出部を備えていることを特徴とする建具。 The fitting according to claim 1,
The fitting according to claim 1, wherein the cover member includes a protruding portion that protrudes from the flat portion and the heated foam material is disposed between the flat portion and the heated foam material.
前記枠体と前記障子との間には、前記カバー部材とともに全周に繋がるように、加熱発泡材が設けられていることを特徴とする建具。 The fitting according to claim 1 or claim 2,
A fitting, wherein a heated foam material is provided between the frame and the shoji so as to be connected to the entire circumference together with the cover member.
前記取付部材は、前記障子を前記枠体に開閉自在に支持するヒンジであることを特徴とする建具。
The fitting according to any one of claims 1 to 3,
The fitting is characterized in that the attachment member is a hinge that supports the sash on the frame so that the sash can be opened and closed.
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