Automatic multi-leaf door with vertical leaf type door opening and closing, and lock opening and closing functions

Abstract

The invention discloses an automatic multi-leaf door with vertical leaf type door opening and closing, and lock opening and closing functions. Each two doors are hinged by a hinge; at least one door of the multi-leaf door is provided with a locking mechanism; a door frame is provided with a rail; the rail is provided with a slide block which is matched with the rail in a sliding manner; the side edge of the slide block is hinged to a first door; a shifting lever is arranged above the rail; one end of the shifting lever is in sleeve joint with a slide groove in the slide block and the other end of the shifting lever is hinged to a supporting object; the shifting lever is driven by a power source to rotate in a sector shape around a hinged point of the shifting lever and the supporting object; a driving rod and a driven rod which are arranged in parallel are hinged to the two sides of the door frame respectively; a push rod capable of pushing fixed shafts which are connected with hinges is hinged between the driving rod and the driven rod so that the multi-leaf door at the closed state forms a pre-opening angle. The closing and locking actions of the automatic multi-leaf door can be realized at the same time, the control operation is simple and convenient and the anti-theft function is better; the automatic multi-leaf door is suitable for the opening and closing of the multi-leaf door.

Description

technical field [0001] The invention relates to an automatic multi-leaf door, in particular to an automatic multi-leaf door with the functions of vertical fan opening and closing doors and opening and closing locks. Background technique [0002] At present, garage doors, entrance doors and warehouse doors are mainly rolling gates. Rolling gates mainly have relatively high requirements for motors, short life of accessories, high noise, size is limited by the size of the curtain, poor anti-theft performance, and high cost. Higher disadvantages, the sliding gates commonly used at the entrances of units and residential areas also have disadvantages such as low security and inability to cover the internal situation, and some doors need to be locked after closing, the operation is cumbersome, not convenient and fast enough, and the safety factor is not good. high. Contents of the invention [0003] The technical problem to be solved by the present invention is to provide an aut...

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Problems solved by technology

[0002] At present, garage doors, entrance doors and warehouse doors are mainly rolling gates. Rolling gates mainly have relatively high requirements for motors, short life of accessories, high noise, size is limited by the size of the curtain, poor anti-theft performance, and high cost. Higher disadvantages, the sliding gates commonly used at the entrances of units and residential areas also have disadvantages such as low security and inability to cover the internal situation, and some doors need to be locked after closing, the operation is cumbersome, not convenient and fast enough, and the safety factor is not good. high

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