The invention discloses a self-locking device for an elevator car door. The self-locking device comprises a locking block device and a car door lock matched with the locking block device. The car door lock comprises a lock hook, a car door lock seat plate and a connecting plate, the car door lock seat plate is connected with the door opening machine seat plate through a door lock mounting plate, the connecting plate is provided with a plurality of guide rods in the height direction, and the lower portion of the car door lock seat plate is located on the inner side of the connecting plate and is in sliding fit with the guide rods; the two ends of the buffer spring abut against the connecting plate and the car door lock base plate respectively, one end of the lock hook is rotationally connected with the middle of the connecting plate, the other end of the lock hook extends to the outer side of the connecting plate to be matched with the locking block device, a tension spring connected with the lower portion of the lock hook is arranged on the lower portion of the connecting plate, and a door opening ball is arranged on the lock hook. The locking block device comprises a supporting piece and a locking block, the supporting piece is connected with the left door hanger plate through a locking block fixing plate, the locking block is fixedly arranged at the upper end of the supporting piece, and a buffering rubber head matched with the connecting plate is arranged at the end, close to the car door lock, of the supporting piece.
本发明公开了一种电梯轿门自锁装置,包括锁紧块装置以及与锁紧块装置配合的轿门锁;轿门锁包括锁钩、轿门锁座板以及衔接板,轿门锁座板通过门锁安装板与开门机座板相连,衔接板沿高度方向设有多个导杆,轿门锁座板下部位于衔接板内侧且与导杆滑动配合,导杆一端套设有缓冲弹簧,缓冲弹簧的两端分别与衔接板、轿门锁座板抵接,锁钩一端与衔接板中部转动连接,锁钩另一端延伸至衔接板外侧与锁紧块装置配合,衔接板下部设有与锁钩下部相连的拉簧,锁钩上设有开门门球;锁紧块装置包括支撑件以及锁紧块,支撑件通过锁紧块固定板与左扇门吊板相连,锁紧块固定设置于支撑件上端,支撑件靠近轿门锁的一端设有与衔接板配合的缓冲胶头。
Self-locking device for elevator car door
一种电梯轿门自锁装置
23.05.2023
Patent
Elektronische Ressource
Chinesisch
IPC: | B66B Aufzüge , ELEVATORS |