CN111119705B - 一种塑钢耐火窗 - Google Patents
一种塑钢耐火窗 Download PDFInfo
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Abstract
本发明涉及一种塑钢耐火窗,其包括窗框、扇框和双层耐火玻璃,扇框设置于窗框内,双层耐火玻璃设置于扇框内,扇框包括固定框一和用于卡接双层耐火玻璃的卡接框,固定框一包括中框一、连接框一和连接框二,连接框一和连接框二分别位于中框一朝向室外一侧边沿的两侧,卡接框与连接框一之间设置有支撑板一,双层耐火玻璃的边沿卡接于支撑板一的U状开口内,中框一内成型有多个中框隔热腔,位于中间的中框隔热腔内设置有贴合其腔壁的支撑板二,未设置有支撑板二的中框隔热腔内设置有耐火膨胀条,窗框内成型有窗框隔热腔一,窗框隔热腔一内设置有呈方管状结构的支撑件一。本发明耐火性能相对较佳,并能够对烟雾起到一定的阻隔作用。
Description
技术领域
本发明涉及建筑门窗的技术领域,尤其是涉及一种塑钢耐火窗。
背景技术
目前,在建筑行业中高档门窗普遍采用铝木复合门窗、纯木门窗。即美观,密封性较好,而且安装方便,受到大多数建筑商的青睐。但是,随着能源的紧缺,其价格居高不下,由此带来门窗的生产成本的大大提高。同时市场上的纯木门窗,在使用过程中,由于门窗的外侧经常受到太阳光的照射,容易老化、变形,破坏了整体美观性,而且缩短了使用寿命。
现有技术中,公开号为CN203201389U的中国专利,公开了一种高性能塑钢薄木复合门窗,其技术要点为:包括框料、扇料、压线和玻璃,框料和扇料分别采用PVC型材;框料的室内侧表面覆合设有所述的框薄木皮,并在铝框料室内侧的两端分别设有凸出的第一“L”型凸条,框薄木皮的两端头分别覆合到第一“L”型凸条的外表面;扇料的室内侧表面覆合设有所述的扇薄木皮,并在扇料室内侧的一端设置有框扇内胶条安装口,扇薄木皮的一个端头延伸覆合到框扇内胶条安装口的外侧边,所述的框扇内胶条安装口内设置有框扇内胶条将扇薄木皮一个断面隐藏,扇料室内侧的另一端设置有压线安装口,扇薄木皮的另一个端头延伸覆合到压线安装口,压线通过设置的安装凸块安装设置在扣条安装口内,并将扇薄木皮另一个断面隐藏。
上述中的现有技术方案存在以下缺陷:常用塑钢的耐火性能相对较差,在遭遇火灾时,高温会使得塑钢型材软化,会导致塑钢型材变形,从而会使得该技术方案中框料和扇料软化,导致门窗会被相对较为快速的破坏,不能在遭遇火灾时,对火焰以及烟雾起到阻隔作用,使用效果相对不佳。
发明内容
针对现有技术存在的不足,本发明的目的之一是提供一种塑钢耐火窗,其耐火性能相对较佳。
本发明的上述发明目的是通过以下技术方案得以实现的:
一种塑钢耐火窗,包括窗框、扇框和双层耐火玻璃,所述扇框设置于窗框内,所述双层耐火玻璃设置于扇框内,所述扇框包括固定框一和用于卡接双层耐火玻璃的卡接框,所述固定框一包括中框一、连接框一和连接框二,所述连接框一和连接框二分别一体成型于中框一朝向室外一侧边沿的两侧,所述卡接框卡接于中框一朝向室内一侧边沿,所述卡接框和连接框一位于中框一朝向其中心一侧,所述卡接框与连接框一之间设置有截面呈U状的支撑板一,所述双层耐火玻璃的边沿卡接于支撑板一的U状开口内,所述中框一内成型有多个沿室内室外方向分布的中框隔热腔,位于中间的所述中框隔热腔内设置有贴合其腔壁的支撑板二,未设置有所述支撑板二的中框隔热腔内设置有耐火膨胀条,所述窗框内成型有窗框隔热腔一,所述窗框隔热腔一内设置有呈方管状结构的支撑件一。
通过采用上述技术方案,在遭遇火灾或高温时,支撑板二的耐火性能相对较佳,能够在高温下对中框一做支撑,从而能够有效的增加中框一的耐火性,并能够将支撑板一依旧卡设于卡接框与连接框一之间;通过支撑板一能够在高温时,对双层耐火玻璃做限制,以减小因高温导致双层耐火玻璃相对中框一脱离的概率;同时,未设有支撑板二的中框隔热腔内设置有耐火膨胀条,耐火膨胀条在遭遇高温时,能够快速膨胀并形成致密的防火保护层,能够起到相对较好的防火防烟作用,并且耐火膨胀条膨胀后有相对较佳的聚合度不会灰化,能够进一步对中框一做一定的支撑作用,进一步增加扇框的耐火性;设置于窗框隔热腔一内的支撑件一能够在高温时,对窗框做支撑,并且支撑件一呈方管状结构,使得其强度相对较佳,能够更佳的保持窗框的整体性,以增加窗框的耐火性,同时双层耐火玻璃的耐火性能相对较佳,并且其能够相对较佳的减少自双层耐火玻璃传递的热量。
本发明在一较佳示例中可以进一步配置为:所述支撑板一与支撑板二通过多个沿非直线排列的螺钉固定连接,所述支撑板二所在的中框隔热腔的腔壁被夹持于支撑板一与支撑板二之间。
通过采用上述技术方案,能够减小在遭遇高温或火灾时,支撑板一和支撑板二相对中框一脱离的概率,并能够通过支撑板一和支撑板二对中框一做相对更佳的支撑,以进一步增加扇框的耐火性。
本发明在一较佳示例中可以进一步配置为:所述卡接框、连接框一和连接框二内分别形成有内腔一、内腔二和两个内腔三,所述内腔二和内腔三内同样设置有耐火膨胀条,所述内腔一内填充有耐火灌注料形成的耐火层。
通过采用上述技术方案,在遭遇火灾或高温时,耐火层能够相对较为迅速的固化,及时对卡接框做支撑,提升卡接框的耐火性能;同时设置于内腔二和内腔三的耐火膨胀条能够迅速膨胀形成致密的防火保护层,以增加固定框一的耐火性能和减小固定框一的导热系数,以达到阻隔高温以及防火防烟的效果。
本发明在一较佳示例中可以进一步配置为:所述双层耐火玻璃的边沿与支撑板一U状的底壁之间设置有耐火垫,所述双层耐火玻璃室内室外侧分别设置有防火棉条,所述防火棉条被夹持于支撑板一与双层耐火玻璃之间。
通过采用上述技术方案,耐火垫能够在高温的情况下,对双层耐火玻璃边沿与支撑板一之间做缓冲的同时,并能够阻隔高温,降低双层耐火玻璃边沿与支撑板一之间的间隙的导热系数,以增加双层耐火玻璃边沿与支撑板一之间的耐火性;同时防火棉条能够对双层耐火玻璃朝向室内和室外两侧与支撑板一之间做缓冲,并能够做一定的密封,减少从双层耐火玻璃边沿与支撑板一之间通过的高温烟气,防火防烟效果相对更佳
本发明在一较佳示例中可以进一步配置为:所述卡接框和连接框一相向一侧分别成型有呈C状的卡口一和卡口二,所述卡口一和卡口二均卡接有石墨膨胀密封条,两个所述石墨膨胀密封条相向一侧分别抵接于双层耐火玻璃的室内室外一侧板面。
通过采用上述技术方案,在遭遇火灾或高温时,石墨膨胀密封条能够较为迅速的膨胀,并将双层耐火玻璃与卡接框以及连接框一之间的间隙封堵住,以用于隔火隔烟,从而进一步增加双层耐火玻璃与卡接框以及连接框一之间的防火防烟性能
本发明在一较佳示例中可以进一步配置为:所述窗框包括边框和内卡接框,所述内卡接框位于边框朝向室内以及其中心一侧,所述窗框隔热腔一设置于边框内,所述内卡接框内成型有沿其长度方向延伸的内腔四,所述内腔四内同样设置有沿其延伸方向延伸的耐火膨胀条。
通过采用上述技术方案,扇框通过内卡接框连接于窗框,同时耐火膨胀条能够对内卡接框做耐火防护,以增加内卡接框的耐火性。
本发明在一较佳示例中可以进一步配置为:所述内卡接框和连接框二相向一侧分别成型有呈C状的卡口三和卡口四,所述卡口三和卡口四内同样卡接有石墨膨胀密封条,位于所述卡口三和卡口四内的两个石墨膨胀密封条相向一侧分别抵接于中框一和边框。
通过采用上述技术方案,遭遇火灾或高温时,石墨膨胀密封条能够膨胀,以将内卡接框与中框一之间的间隙以及连接框二与边框之间的间隙封堵住,以减少自内卡接框与中框一之间的间隙以及连接框二与边框之间的间隙通过的烟气和火焰,以增加内卡接框与中框一之间的间隙以及连接框二与边框之间的间隙的防火防烟性能,同时能够减小内卡接框与中框一之间的间隙以及连接框二与边框之间的间隙的导热系数,使得耐火性能相对更佳。
本发明在一较佳示例中可以进一步配置为:所述边框和中框一相向一侧分别成型有呈C状的卡口五和卡口六,所述边框和中框一之间设置有耐火合金条,所述耐火合金条的截面呈工字状结构且其工字的两端分别卡接于卡口五和卡口六内,所述耐火合金条工字的两端分别固定连接有多个采用耐火金属制成的金属柱卡扣,多个所述金属柱卡扣分别穿设并卡接于支撑件一和支撑板二。
通过采用上述技术方案,在使用时,采用耐火金属制成的金属柱卡扣和耐火合金条能够对支撑件一和支撑板二做连接,并能够使得在于高温和火灾时,通过金属柱卡扣和耐火合金条能够有效的减小窗框和扇框相脱离的概率,使得设置于内卡接框与中框一之间的间隙以及连接框二与边框之间的石墨膨胀密封条的防火防烟效果更佳,使得该处的石墨膨胀密封条能够相对较佳的对边框和中框一做封堵,以增加边框和中框一之间的耐火性能。
本发明在一较佳示例中可以进一步配置为:所述支撑件一和支撑板二的内壁均同样设置有耐火膨胀条。
通过采用上述技术方案,设置于支撑件一和支撑板二的内壁的耐火膨胀条,能够在高温下膨胀形成致密高温防护层,以对支撑件一和支撑板二做一定的高温防护,增加支撑件一和支撑板二的耐火性能,有效的优化高温下支撑件一和支撑板二的支撑效果。
综上所述,本发明包括以下至少一种有益技术效果:
1.在遭遇火灾或高温时,支撑板二的耐火性能相对较佳,能够在高温下对中框一做支撑,从而能够有效的增加中框一的耐火性,并能够将支撑板一依旧卡设于卡接框与连接框一之间;通过支撑板一能够在高温时,对双层耐火玻璃做限制,以减小因高温导致双层耐火玻璃相对中框一脱离的概率;同时,未设有支撑板二的中框隔热腔内设置有耐火膨胀条,耐火膨胀条在遭遇高温时,能够快速膨胀并形成致密的防火保护层,能够起到相对较好的防火防烟作用,并且耐火膨胀条膨胀后有相对较佳的聚合度不会灰化,能够进一步对中框一做一定的支撑作用,进一步增加扇框的耐火性;设置于窗框隔热腔一内的支撑件一能够在高温时,对窗框做支撑,并且支撑件一呈方管状结构,使得其强度相对较佳,能够更佳的保持窗框的整体性,以增加窗框的耐火性,同时双层耐火玻璃的耐火性能相对较佳,并且其能够相对较佳的减少自双层耐火玻璃传递的热量;
2.通过多个非线性排布的螺钉连接的支撑板一和支撑板二,能够有效的减小在遭遇高温或火灾时,支撑板一和支撑板二相对中框一脱离的概率,并能够通过支撑板一和支撑板二对中框一做相对更佳的支撑,以进一步增加扇框的耐火性;
3.在使用时,采用耐火金属制成的金属柱卡扣和耐火合金条能够对支撑件一和支撑板二做连接,并能够使得在于高温和火灾时,通过金属柱卡扣和耐火合金条能够有效的减小窗框和扇框相脱离的概率,使得设置于内卡接框与中框一之间的间隙以及连接框二与边框之间的石墨膨胀密封条的防火防烟效果更佳,使得该处的石墨膨胀密封条能够相对较佳的对边框和中框一做封堵,以增加边框和中框一之间的耐火性能。
附图说明
图1是实施例一的整体结构示意图。
图2是图1的A-A剖视图,主要用于展示窗框和扇框型材的结构。
图3是实施例一卡接框的剖视图,主要用于展示卡接框的型材结构。
图4是实施例二的型材的剖视结构图,主要用于展示耐火合金条的安装结构。
图中,1、窗框;11、窗框隔热腔一;111、支撑件一;12、边框;121、卡口五;13、内卡接框;131、内腔四;132、卡口三;14、耐火合金条;141、金属柱卡扣;15、窗框隔热腔二;2、扇框;21、固定框一;211、中框一;2111、卡口六;2112、连接卡口一;212、连接框一;2121、内腔二;2122、卡口二;213、连接框二;2131、内腔三;2132、卡口四;214、支撑板二;215、耐火膨胀条;216、支撑板一;217、中框隔热腔;22、卡接框;221、内腔一;2211、耐火层;222、卡口一;223、石墨膨胀密封条;224、连接卡条;3、双层耐火玻璃;31、耐火垫;32、防火棉条。
具体实施方式
以下结合附图对本发明作进一步详细说明。
实施例一
参照图1和图2,为本发明公开的一种塑钢耐火窗,包括窗框1、扇框2和双层耐火玻璃3,双层耐火玻璃3设置于扇框2内,扇框2设置于窗框1内。其中,窗框1和扇框2为塑钢框。
扇框2包括固定框一21和用于卡接双层耐火玻璃3的卡接框22,固定框一21包括中框一211、连接框一212和连接框二213,连接框一212和连接框二213分别一体成型于中框一211朝向室外一侧边沿,并且连接框一212和连接框二213分别位于中框一211朝向其中心和背离其中心一侧。卡接框22位于中框一211朝向室内一侧边沿,并且卡接框22位于中框一211朝向扇框2中心一侧。
以使得在遭遇高温或火灾时,减小双层耐火玻璃3朝向室外一侧脱落的概率,从而减小对室外的行人造成二次伤害的可能。
参照图2和图3,卡接框22背离其中心一侧一体成型有连接卡条224,中框一211朝向卡接框22一侧边沿成型有截面呈C状的连接卡口一2112,连接卡条224卡接于连接卡口一2112内。
其中,连接卡条224截面呈L状,连接卡条224的L状水平部卡设于连接卡口一2112朝向室外一侧的腔壁内,卡接框22朝向中框一211一侧壁面抵接于连接卡口一2112朝向室内室外一侧边沿,以将卡接框22卡接于中框一211。
卡接框22和连接框一212之间卡设有截面呈U状的支撑板一216,支撑板一216的U状开口朝向卡接框22的中心一侧,双层耐火玻璃3的边沿卡设于支撑板一216的U状开口内。其中,支撑板一216还卡设于连接卡口一2112的卡口边沿与连接框一212之间,支撑板一216为耐火合金板。
参照图2和图3,中框一211内成型有多个中框隔热腔217,多个中框隔热腔217沿室内室外的方向排布;同时,位于中框一211中部的中框隔热腔217内设置有支撑板二214。支撑板二214呈方管状结构且其呈开口结构,支撑板二214朝向背离中框一211中心一侧开口。
其中,未设有支撑板二214的中框隔热腔217内设置有耐火膨胀条215,耐火膨胀条215可选用膨胀石墨条。
窗框1内成型有窗框隔热腔一11,窗框隔热腔一11内设置有呈方管状结构的支撑件一111,其中支撑件一111为采用耐火合金制成的方管状合金管。
支撑件一111和支撑板二214的内壁均同样设置有耐火膨胀条215,以用于对支撑件一111和支撑板二214做一定的高温防护,增加支撑件一111和支撑板二214的耐火性能,优化高温下支撑件一111和支撑板二214的支撑效果。
在遭遇火灾或高温时,支撑板二214的耐火性能相对较佳,能够在高温下对中框一211做支撑,从而能够有效的增加中框一211的耐火性,并能够将支撑板一216依旧卡设于卡接框22与连接框一212之间;通过支撑板一216能够在高温时,对双层耐火玻璃3做限制,以减小因高温导致双层耐火玻璃3相对中框一211脱离的概率;同时,未设有支撑板二214的中框隔热腔217内设置有耐火膨胀条215,耐火膨胀条215在遭遇高温时,能够快速膨胀并形成致密的防火保护层,能够起到相对较好的防火防烟作用,并且耐火膨胀条215膨胀后有相对较佳的聚合度不会灰化,能够进一步对中框一211做一定的支撑作用,进一步增加扇框2的耐火性;设置于窗框隔热腔一11内的支撑件一111能够在高温时,对窗框1做支撑,能够保持窗框1的整体性,以增加窗框1的耐火性,同时双层耐火玻璃3的耐火性能相对较佳,并且其能够相对较佳的减少自双层耐火玻璃3传递的热量。
参照图2和图3,支撑板一216与支撑板二214通过多个沿非直线排列的螺钉固定连接,以使得支撑板二214所在的中框隔热腔217的腔壁被夹持于支撑板一216和支撑板二214之间。以减小在遭遇高温时,支撑板一216和支撑板二214相对中框一211脱离的概率,并能够通过支撑板一216和支撑板二214对中框一211做相对更佳的支撑,以进一步增加扇框2的耐火性。
卡接框22、连接框一212和连接框二213内分别形成有内腔一221、内腔二2121和两个内腔三2131,内腔二2121和内腔三2131内同样设置有耐火膨胀条215;内腔一221内填充有耐火灌注料形成的耐火层2211,其中耐火层2211的耐火灌注料为遇火固化的无机非金属化合物,可选用低温耐火固化料,例如专利号为ZL201110157198。0的低温固化灌注料。
使得在遭遇火灾或高温时,耐火层2211能够相对较为迅速的固化,及时对卡接框22做支撑,提升卡接框22的耐火性能;同时设置于内腔二2121和内腔三2131的耐火膨胀条215能够迅速膨胀形成致密的防火保护层,以增加固定框一21的耐火性能,并阻隔高温以及防火防烟。
参照图2和图3,双层耐火玻璃3的边沿与支撑板一216的U状的底壁之间设置有耐火垫31,双层耐火玻璃3边沿朝向室内室外的两侧分别设置有防火棉条32,防火棉条32被夹持于支撑板一216的内壁与双层耐火玻璃3的边沿之间。
在遭遇火灾或高温时,耐火垫31能够在高温的情况下,对双层耐火玻璃3边沿与支撑板一216之间做缓冲的同时,并能够阻隔高温,降低双层耐火玻璃3边沿与支撑板一216之间的间隙的导热系数,以增加双层耐火玻璃3边沿与支撑板一216之间的耐火性;同时防火棉条32能够对双层耐火玻璃3朝向室内和室外两侧与支撑板一216之间做缓冲,并能够做一定的密封,减少从双层耐火玻璃3边沿与支撑板一216之间通过的高温烟气,防火防烟效果相对更佳。
参照图2和图3,为了进一步增加双层耐火玻璃3与卡接框22以及连接框一212之间的防火防烟性能,卡接框22和连接框一212相向一侧分别成型有呈C状的卡口一222和卡口二2122,卡口一222和卡口二2122相向开口,卡口一222和卡口二2122分别沿卡接框22和连接框一212的长度延伸。卡口一222和卡口二2122均卡接有石墨膨胀密封条223,两个石墨膨胀密封条223相向一侧分别抵接于双层耐火玻璃3的室内室外一侧板面。
以使得在遭遇火灾或高温时,石墨膨胀密封条223能够较为迅速的膨胀,并将双层耐火玻璃3与卡接框22以及连接框一212之间的间隙封堵住,以用于隔火隔烟,有效的增加双层耐火玻璃3与卡接框22以及连接框一212之间的防火防烟性能。
参照图2和图3,窗框1包括边框12和一体成型于边框12的内卡接框13,内卡接框13位于边框12朝向室内以及其中心一侧,窗框隔热腔一11设置于边框12内,内卡接框13内成型有沿其长度方向延伸的内腔四131,内腔四131内同样设置有沿其延伸方向延伸的耐火膨胀条215。以增加内卡接框13的耐火性。
边框12内成型有两个窗框隔热腔二15,两个窗框隔热腔二15分别位于窗框隔热腔一11朝向室内和室外一侧,窗框隔热腔二15内同样设置有耐火膨胀条215,以增加边框12的耐火性。
内卡接框13和连接框二213相向一侧分别成型有呈C状的卡口三132和卡口四2132,卡口三132和卡口四2132内同样卡接有石墨膨胀密封条223,位于卡口三132和卡口四2132内的两个石墨膨胀密封条223相向一侧分别抵接于中框一211和边框12。
在遭遇火灾或高温时,石墨膨胀密封条223能够膨胀,以将内卡接框13与中框一211之间的间隙以及连接框二213与边框12之间的间隙封堵住,以减少自内卡接框13与中框一211之间的间隙以及连接框二213与边框12之间的间隙通过的烟气和火焰,以增加内卡接框13与中框一211之间的间隙以及连接框二213与边框12之间的间隙的防火防烟性能。
实施例二
参照图4,与实施例一的区别在于, 边框12和中框一211相向一侧分别成型有截面呈C状的卡口五121和卡口六2111,边框12和中框一211之间设置有耐火合金条14,耐火合金条14沿边框12的长度方向延伸,耐火合金条14沿垂直于其长度方向的截面呈工字状,耐火合金条14的工字的两端分别卡接于卡口五121和卡口六2111内;耐火合金条14工字的两端分别固定连接有多个采用耐火金属制成的金属柱卡扣141,多个金属柱卡扣141沿耐火合金条14的长度方向分布,多个金属柱卡扣141的卡接端分别穿设并卡接于支撑件一111和支撑板二214相背离一侧的板面。
在使用时,采用耐火金属制成的金属柱卡扣141和耐火合金条14能够对支撑件一111和支撑板二214做连接,并能够使得在于高温和火灾时,通过金属柱卡扣141和耐火合金条14能够有效的减小窗框1和扇框2相脱离的概率,使得设置于内卡接框13与中框一211之间的间隙以及连接框二213与边框12之间的石墨膨胀密封条223的防火防烟效果更佳,使得该处的石墨膨胀密封条223能够相对较佳的对边框12和中框一211做封堵,以增加边框12和中框一211之间的耐火性能。
本具体实施方式的实施例均为本发明的较佳实施例,并非依此限制本发明的保护范围,故:凡依本发明的结构、形状、原理所做的等效变化,均应涵盖于本发明的保护范围之内。
Claims (1)
1.一种塑钢耐火窗,包括窗框(1)、扇框(2)和双层耐火玻璃(3),所述扇框(2)设置于窗框(1)内,所述双层耐火玻璃(3)设置于扇框(2)内,其特征在于:所述扇框(2)包括固定框一(21)和用于卡接双层耐火玻璃(3)的卡接框(22),所述固定框一(21)包括中框一(211)、连接框一(212)和连接框二(213),所述连接框一(212)和连接框二(213)分别一体成型于中框一(211)朝向室外一侧边沿的两侧,所述卡接框(22)卡接于中框一(211)朝向室内一侧边沿,所述卡接框(22)和连接框一(212)位于中框一(211)朝向其中心一侧,所述卡接框(22)与连接框一(212)之间设置有截面呈U状的支撑板一(216),所述双层耐火玻璃(3)的边沿卡接于支撑板一(216)的U状开口内,所述中框一(211)内成型有多个沿其室内室外方向分布的中框隔热腔(217),位于中间的所述中框隔热腔(217)内设置有贴合其腔壁的支撑板二(214),未设置有所述支撑板二(214)的中框隔热腔(217)内设置有耐火膨胀条(215),所述窗框(1)内成型有窗框隔热腔一(11),所述窗框隔热腔一(11)内设置有呈方管状结构的支撑件一(111);所述支撑板一(216)与支撑板二(214)通过多个沿非直线排列的螺钉固定连接,所述支撑板二(214)所在的中框隔热腔(217)的腔壁被夹持于支撑板一(216)与支撑板二(214)之间;所述卡接框(22)、连接框一(212)和连接框二(213)内分别形成有内腔一(221)、内腔二(2121)和两个内腔三(2131),所述内腔二(2121)和内腔三(2131)内同样设置有耐火膨胀条(215),所述内腔一(221)内填充有耐火灌注料形成的耐火层(2211);所述双层耐火玻璃(3)的边沿与支撑板一(216)U状的底壁之间设置有耐火垫(31),所述双层耐火玻璃(3)室内室外侧分别设置有防火棉条(32),所述防火棉条(32)被夹持于支撑板一(216)与双层耐火玻璃(3)之间;所述卡接框(22)和连接框一(212)相向一侧分别成型有呈C状的卡口一(222)和卡口二(2122),所述卡口一(222)和卡口二(2122)均卡接有石墨膨胀密封条(223),两个所述石墨膨胀密封条(223)相向一侧分别抵接于双层耐火玻璃(3)的室内室外一侧板面;所述窗框(1)包括边框(12)和内卡接框(13),所述内卡接框(13)位于边框(12)朝向室内以及其中心一侧,所述窗框隔热腔一(11)设置于边框(12)内,所述内卡接框(13)内成型有沿其长度方向延伸的内腔四(131),所述内腔四(131)内同样设置有沿其延伸方向延伸的耐火膨胀条(215);所述内卡接框(13)和连接框二(213)相向一侧分别成型有呈C状的卡口三(132)和卡口四(2132),所述卡口三(132)和卡口四(2132)内同样卡接有石墨膨胀密封条(223),位于所述卡口三(132)和卡口四(2132)内的两个石墨膨胀密封条(223)相向一侧分别抵接于中框一(211)和边框(12);所述边框(12)和中框一(211)相向一侧分别成型有呈C状的卡口五(121)和卡口六(2111),所述边框(12)和中框一(211)之间设置有耐火合金条(14),所述耐火合金条(14)的截面呈工字状结构且其工字的两端分别卡接于卡口五(121)和卡口六(2111)内,所述耐火合金条(14)工字的两端分别固定连接有多个采用耐火金属制成的金属柱卡扣(141),多个所述金属柱卡扣(141)分别穿设并卡接于支撑件一(111)和支撑板二(214);所述支撑件一(111)和支撑板二(214)的内壁均同样设置有耐火膨胀条(215)。
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