Two-way automatic reset gate

Abstract

The invention discloses a two-way automatic reset door, which comprises a door frame (10), a door leaf (20) and a rotating shaft (30). Magnets (40, 50) are arranged on the left and right sides of the door frame (10). The left and right sides of (20) are also provided with corresponding magnets (60, 70) respectively, and the polarities of the opposite faces of the corresponding magnets are different and attract each other. After removal, under the action of mutual attraction of the magnets, the door leaf (20) is pushed to close automatically, realizing the two-way automatic reset of the door leaf (20), and the reset of the door leaf (20) is stable, accurate and free of rebound.

Description

technical field [0001] The invention relates to a door device capable of automatic reset, in particular to a bin door used for adding disinfectant on medical disinfection equipment; A building door and window is especially suitable for various doors and windows with light weight and narrow width that require two-way automatic reset, and belongs to the technical field of general doors and windows. Background technique [0002] Many devices are equipped with compartment doors with barrier function, and at the same time, it is required that after the external force to open these compartment doors is removed, the compartment doors should be automatically reset to the closed state; some building doors and windows in houses also have this functional requirement, such as toilets door. In the prior art, the automatic closing and reset function of doors and windows is mostly accomplished by using a spring, that is, a hinge with a spring is used to provide the required reset force. ...

AI Technical Summary

Problems solved by technology

Since the elastic force of the spring is directly proportional to its deformation, the larger the opening of the door and window, the greater the deformation of the spring and the greater the reset force. As a result, the resistance to opening the door is increased; Pull back with force, the impact force of door reset is too large, the reset speed is too fast, and there is a rebound, which is very unstable. This situation sometimes causes harm to the frail elderly and children

For the defect of spring reset, the prior art also provides some complex reset mechanisms that adopt pulleys, stay ropes, counterweights, etc. to realize the automatic reset function of the door, such as the Chinese patent that the application number is 96217565. The improvement of the automatic reset door is that an automatic reset mechanism composed of a fixed ring, a pulley, a pull rope, and a counterweight is added to the spring reset door, and its advantage is to overcome the defect of uneven reset force of the spring hinge. , to realize the smooth and shock-free closing movement, but the installation occasions of this mechanism are relatively limited, and it is not suitable for the warehouse door on the equipment. reset

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