Elevator landing door lock device

[0036] Example one:

[0037] according to Figure 1~4 In this embodiment, an elevator floor door lock device includes a lock hook assembly, a door knife assembly, a door hanging plate 5, and a door lock base. The door knife assembly includes a left door knife blade 101 and a right door knife blade 102. The lock hook assembly includes a lock plate 201, a contact assembly 202, a roller fixing plate 203, a first roller 204, and a second roller 205. One end of the lock plate 201 is a hook body 2011 and the other end of the lock plate 201 Is the roller linkage end 2012, the contact assembly 202 is fixed on one side of the hook body 2011, the roller fixing plate 203 is fixed on the roller linkage end 2012; the first roller 204 and the second roller 205 are respectively The roller fixing shaft 206 is connected to the roller fixing plate 203. The first roller 204 and the second roller 205 are located between the left door knife blade 101 and the right door knife blade 102. The roller fixing

[0043] Embodiment two:

[0044] according to Figure 5~8 , The difference from the first embodiment is that the hook body 2011 is a lifting-type locking hook body, the locking direction of the hook body 2011 is above the hook body, the lock plate is provided with a counterweight mechanism 6, so The hook body is driven upwardly and locked by the counterweight mechanism 6. The rest of the structure is the same as the first embodiment.

[0045] Embodiment three:

[0046] This embodiment is different from the first embodiment. However, the rotation limit component includes an upper limit component and a lower limit component arranged on the upper and lower sides of the lock plate 201, and the upper limit component includes an upper limit bolt or an upper limit. Rubber, an upper limit bolt bracket arranged on the door hanging plate 5 or the door lock base, the upper limit bolt or upper limit rubber is fixed on the upper limit bolt bracket; the lower limit component includes a lower limit bolt or Lower limit rubber, a lower limit bolt bracket arranged on the door hanging plate 5 or the door lock base, the lower limit bolt or lower limit rubber is fixed on the lower limit bolt bracket, the lock plate of the lock hook assembly The rotation angle of 201 is limited between the upper limit component and the lower limit component.

[0047] The rest of the structure is the same as the first embodiment.