Transmission limiting device suitable for electronic lock: Fid-Bau Portal

Transmission limiting device suitable for electronic lock

XU HONGMING

The invention provides a transmission limiting device suitable for an electronic lock. The transmission limiting device comprises an outer handle, a panel, a limiting block and a transmission sleeve; a transmission shaft is rotatably connected in the panel, one end of the transmission shaft is a square shaft, the other end of the transmission shaft is a circular shaft, the square shaft is sleeved with the outer handle, and a transmission sheet is fixedly connected to the circular shaft of the transmission shaft; the limiting block is fixedly connected to the inner wall of the panel, two symmetrical arc-shaped limiting sliding grooves are formed in the limiting block, two symmetrical limiting rods are arranged on the transmission piece, and the limiting rods extend into the limiting sliding grooves and are in sliding connection with the limiting sliding grooves; and the transmission sleeve is attached to the limiting block, and through holes allowing the limiting rods to penetrate are formed in the transmission sleeve. According to the scheme, the electronic lock can be prevented from being forcibly opened when the outer handle rotates excessively, and a transmission mechanism of the electronic lock is prevented from being damaged, so that the safety of a door is improved, and the service life of the door is prolonged; and a clutch can be prevented from being installed on the outer handle, so that the safety is high and the durability is high.

本发明提出了一种适用于电子锁的传动限位装置，包括外拉手、面板、限位块、传动套；面板内转动连接有传动轴，传动轴一端为方轴，另一端为圆轴，外拉手套接在方轴上，传动轴的圆轴上固定连接有传动片；限位块与面板内壁固定连接，限位块上设有两道对称的圆弧形限位滑槽，传动片上设有两个对称的限位杆，限位杆伸入限位滑槽，并与限位滑槽滑动连接；传动套与限位块相贴，传动套上设有可供限位杆穿入的通孔。本方案能够防止了外拉手转动过大时，电子锁被强行打开，又避免了电子锁的传动机构被破坏，既提高了门的安全性又提高了使用寿命，本方案中可以避免离合器安装在外拉手，安全性高，耐用时间长。

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