Asynchronous door knife assembly of elevator car door lock
A door knife and component technology, which is used in elevators, transportation and packaging in buildings, etc., can solve problems such as car doors not being able to be opened and people closing accidents.
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[0044] Hereinafter, the present invention will be specifically introduced with reference to the drawings and specific embodiments.
[0045] As the first example, such as Figure 1 to Figure 13 As shown, an elevator car door lock asynchronous door knife assembly 100 includes: door knife back plate 1, knife arm link assembly 2, unlocking assembly 3, lock hook assembly 4, car door lock assembly 5, spring return assembly 6, limiter Position and reset assembly 7 and manual unlock assembly 8.
[0046] The knife arm link assembly 2 includes: a left knife arm 21, a right knife arm 25, a synchronization link 22, a door knife upper link 23, a door knife lower link 24, a right knife arm upper swing lever 26, and a right knife arm lower swing lever 27. The synchronization link 22, the right knife arm upper swing rod 26, the right knife arm 25 and the right knife arm lower swing rod 27 are hinged to each other to form a parallelogram linkage mechanism. The synchronization connecting plate 22,...
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