The invention relates to the field of elevator accessories, in particular to an elevator door lock. The elevator door lock comprises a lock hook fixing plate, a lock hook fixing shaft, a lock hook fixing seat, a lock hook, a door lock rolling wheel b, a plug support, a rolling wheel shaft b, a support rivet, a reset spring, a guide column, a sliding shaft sleeve, an auxiliary lock hook, a sleeve, a limiting check block, a connecting bolt, a shaft check ring a, a fixing nut, a door lock rolling wheel a, a shaft check ring b, a rolling wheel shaft, a limiting shaft and a shaft check ring c, a through hole is formed in middle of the lock hook, the rolling wheel fixing seat is riveted on the lock hook through hole a, the lock hook fixing shaft is riveted on the lock hook fixing plate, the sliding shaft sleeve is pressed into the lock hook fixing plate, the lock hook fixing shaft penetrates through the sliding shaft sleeve and is fixed through the shaft check ring c, and the plug support is riveted on the lock hook through the support rivet. The elevator door lock has the beneficial effects that the safety of the elevator door lock is guaranteed by adopting a multi-limiting structure of a limiting check block and a limiting rod, and in addition, the door lock does not use a rolling bearing, and therolling bearing is replaced by a sliding bearing, so that the cost is greatly reduced.
本发明涉及电梯配件领域,尤其是电梯门锁。电梯门锁,锁钩固定板、锁钩固定轴、锁钩固定座、锁钩、门锁滚轮b、插头支架、滚轮轴b、支架铆钉、复位弹簧、导向柱、滑动轴套、副锁钩、套筒、限位挡块、连接螺栓、轴用挡圈a、固定螺母、门锁滚轮a、轴用挡圈b、滚轮轴、限位轴和轴用挡圈c,锁钩中间设有通孔a,滚轮固定座铆接在锁钩通孔a上,锁钩固定轴铆接在锁钩固定板上,滑动轴套压入锁钩固定板上,锁钩固定轴穿过滑动轴套通过轴用挡圈c固定,插头支架通过支架铆钉铆接在锁钩上。本发明的有益之处:采用限位挡块、限位杆多重限位的结构,保证了其安全性,另外该门锁没有使用滚动轴承,采用的滑动轴承替代,成本降低很多。
Elevator door lock
电梯门锁
2021-08-24
Patent
Electronic Resource
Chinese
IPC: | B66B Aufzüge , ELEVATORS |
European Patent Office | 2018
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