A multifunctional steel door and window system and a method for making window frames and sash frames in the system

Abstract

The invention relates to steel door windows, in particular to a multifunctional steel door window system which can meet the requirements of fire resistance, fire prevention and energy conservation and a manufacturing method for a window frame and a window sash frame in the system. The multifunctional steel door window system comprises the window frame, a mullion, the window sash frame and glasses, a lockset and hinges which are matched with the window frame, the mullion and the window sash frame. The window frame and the window sash frame are connected with the hinges; a window frame sectional material, a mullion sectional material and a window sash frame sectional material comprise first bridge fracturing cold bending matching pieces and second bridge fracturing cold bending matching pieces; and inorganic bridge fracturing heat insulation sectional material strips are arranged between the matching faces of the first bridge fracturing cold bending matching pieces and the second bridge fracturing cold bending matching pieces and are fixed through screws to form a steel heat insulation composite sectional material. The steel and stainless steel door window system design is low in cost and environmentally friendly and has multiple functions of heat preservation, heat insulation, sound insulation, water resistance, fire resistance and the like. According to the door window system, the appearance is elegant, firmness, durability and multiple functions are achieved, the materials are environmentally friendly and can be recycled, and the door window system meets the national regulation requirement relating to a green building.

Description

Technical field [0001] The invention relates to steel doors and windows, in particular to a multifunctional steel door and window system that can meet the requirements of fire resistance, fire protection and energy saving, and a method for manufacturing window frames and sash frames in the system. Background technique [0002] According to the national standards for doors and windows, the content is as follows: [0003] 1. The national standard "General Technical Requirements for Building Curtain Walls, Doors and Windows" GB / T31433-2015, section 5.1.2 stipulates: The design service life of main components such as building curtain walls, door and window panels, profiles, etc. shall not be less than 25 years. [0004] 2. In the national standard "Code for Fire Protection Design of Buildings" GB50016-2014, the relevant provisions of the application of steel fire-resistant glass doors, windows, curtain walls and partitions: 5.3.2 When the atrium is installed in the building, when the fir...

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Problems solved by technology

[0006] 1) Broken bridge aluminum profile doors and windows are made of broken bridge aluminum profiles and double-layer or multi-layer glass, which has good air tightness and water tightness and meets the basic requirements of building doors and windows. However, the melting point temperature of aluminum profiles is 660 degrees, which cannot meet the requirements of fire resistance. The test temperature requirement of 1150 degrees cannot meet the requirements for fire-resistant integrity of heat-insulated fire-resistant windows and building fire-resistant windows.

In addition, the thermal conductivity of aluminum profiles is four to five times that of steel profiles, and the sound insulation performance is lower than that of steel profiles.

[0007] 2) Plastic-steel profile doors and windows are made of plastic profiles and double or multiple layers of glass, which have good air and water tightness and meet the basic requirements of building doors and windows. However, they cannot meet the requirements of the fire resistance test temperature of 1150 degrees, and they cannot meet the heat insulation requirements. Requirements for fire-resistant windows and building fire-resistant windows with respect to fire integrity

[0008] 3) The existing steel insulation steel door and window system in the market is complex in design, especially the imported polymer insulation material, which is extremely expensive, and ordinary buildings cannot afford its high price, while steel non-insulation doors and windows are also Can not meet the requirements of fire protection and heat insulation at the same time

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