Non-wrapping steel door

• Main Authors: YOU YONGJUN, CHEN CHANGJIN, LIU YU, DING MINGSHENG, QIU SHIYOU
• Format: Patent
• Language: Chinese; English
• Published: 19.05.2010
• Subjects: DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL; FIXED CONSTRUCTIONS; FIXED OR MOVABLE CLOSURES FOR OPENINGS IN BUILDINGS, VEHICLES,FENCES OR LIKE ENCLOSURES IN GENERAL, e.g. DOORS, WINDOWS,BLINDS, GATES; LADDERS

The utility model provides a non-wrapping steel door which structurally comprises a front door sheet and a back door sheet, wherein the front door sheet and back door sheet are connected together by self-buckling and have consistent structure, namely the non-wrapping steel door is assembled by two door sheets with the same structures; in virtue of the unique structural design, not only the production process of the enterprise can be simplified, the production cost of the enterprise can be reduced, and quick product assembly effect can be realized, but also better fireproofing and heat insulation effects can be realized compared with the traditional fire doors. In addition, compared with the traditional technology, screws and other traditional connection parts are saved to lead the non-wrapping steel door not to reduce the service life thereof caused by damage or rusting of the screws and other connecting parts, thus greatly prolonging the service life of the non-wrapping steel door, and crack originally posit