Component composition

The folding door is mainly composed of a door frame, a door leaf, a transmission component, a swing arm component, a transmission rod, an orientation device and the like. This door type can be installed indoors and outdoors. There are four door fans in each door, two side doors and two middle doors. The side frame of the side door fan is connected with the middle door fan by a hinge, and the upper and lower ends of the side door fan are respectively equipped with upper and lower rotating shafts, and the rotating shaft is connected with the upper and lower rotating shaft seats of the door frame on both sides of the door opening, and the side door sill will rotate around one side and simultaneously drive The middle door fan rotates to 90° together, so that the door leaf is opened and closed. When the electric door is rotated, the arm part and the transmission part are installed on the upper shaft end, and the transmission part and the door opener are installed in the middle of the upper part of the door frame; the center door is provided with an orientation device. After the door opener is running, the two gears of each part of the transmission component are rotated, and the two racks that are meshed with the gear are linearly moved. The other end of the rack is connected with the rotating arm, and the arm moves in a circular motion, and the side door frame is around one side. Rotate and electrically open the door leaf. The middle and middle seams of the two middle door fans are equipped with safety protection devices. When they are closed, they will return to the fully open state when they are closed, which is safe and reliable.

The door opening has a width of 3000-4800 and a height of 3000-4800. There are 26 kinds of specifications, both electric and manual.

Material production

The door panel adopts a metal sandwich panel with a polyurethane or polystyrene foam board as the core material, and the outer frame is selected from cold-rolled channel steel, surface sprayed or aluminum alloy extruded profile, and riveted with the sandwich panel.

The outer frame is bolted to the outer frame by a special angle connector.

The door frame material is an 80×60×4 welded rectangular steel pipe.

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