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A platform for research: civil engineering, architecture and urbanism
Door lock mechanism of side door of engineering machine
The invention discloses a door lock mechanism of a side door of an engineering machine. The door lock mechanism comprises a door lock body, a crank handle, an upper latch body, a lower latch body, an upper stopper and a lower stopper; the door lock body comprises a lock box, a lock cylinder, a lock cover, a gear shaft, racks and a reset torsional spring; the door lock body is fixedly arranged at the inner side of the door; the lock cylinder, the gear shaft, the rack and the reset torsional spring are arranged in a space formed by buckling the lock box and the lock cover together; the gear shaft is provided with the reset torsional spring; the lock cylinder is provided with a bolt; the gear shaft is provided with a check block; the gear shaft is limited by matching the bolt with the check block; the number of the racks is two, and the two racks are arranged in parallel; the racks are respectively meshed with the gear shaft; two latch body connection blocks are respectively and fixedly arranged below the racks; the crank handle is connected with the gear shaft; the upper latch body and the lower latch body are respectively connected with one of the two latch body connection blocks; the upper stopper and the lower stopper are respectively arranged on an upper doorframe and a lower doorframe. The door lock mechanism has the beneficial effects that both the upper part and the lower part of the side door of the engineering machine can be fixed, so the side door is firm in fixation and is not easy to sway; the side door is convenient to open and close.
Door lock mechanism of side door of engineering machine
The invention discloses a door lock mechanism of a side door of an engineering machine. The door lock mechanism comprises a door lock body, a crank handle, an upper latch body, a lower latch body, an upper stopper and a lower stopper; the door lock body comprises a lock box, a lock cylinder, a lock cover, a gear shaft, racks and a reset torsional spring; the door lock body is fixedly arranged at the inner side of the door; the lock cylinder, the gear shaft, the rack and the reset torsional spring are arranged in a space formed by buckling the lock box and the lock cover together; the gear shaft is provided with the reset torsional spring; the lock cylinder is provided with a bolt; the gear shaft is provided with a check block; the gear shaft is limited by matching the bolt with the check block; the number of the racks is two, and the two racks are arranged in parallel; the racks are respectively meshed with the gear shaft; two latch body connection blocks are respectively and fixedly arranged below the racks; the crank handle is connected with the gear shaft; the upper latch body and the lower latch body are respectively connected with one of the two latch body connection blocks; the upper stopper and the lower stopper are respectively arranged on an upper doorframe and a lower doorframe. The door lock mechanism has the beneficial effects that both the upper part and the lower part of the side door of the engineering machine can be fixed, so the side door is firm in fixation and is not easy to sway; the side door is convenient to open and close.
Door lock mechanism of side door of engineering machine
LIU YONGSHEN (author) / LIAO MINGJUN (author) / JING BAOFENG (author) / QIN XIUQING (author) / FU GUISHAN (author) / WU QINGLI (author) / FAN YUHUI (author) / XIE JINHUA (author) / ZHANG FEI (author) / ZHANG MINGGENG (author)
2015-05-27
Patent
Electronic Resource
English
IPC:
E05B
LOCKS
,
Schlösser
Door lock of double-side-door vehicle and locking mechanism of door lock
| European Patent Office | 2021