Can the spherical door lock be locked from the outside?

It can be locked. When the spherical door lock is locked, first press the button at the top of the spherical pimple on the inner door at the red mark in the figure below; Then close the door tightly, so that you can lock the door from the outside, but you can only open it through this lock when you open it. In addition, the spherical door lock does not need a key when it is opened indoors, and the door can be opened by directly twisting the spherical shape of the inner door of the building.

Spherical door lock: the inner and outer handles (lock handles) are spherical, which are used for door locks installed on wooden doors, steel doors, aluminum alloy doors and plastic doors.

According to the structure of the lock, the products are divided into marble ball lock and blade ball lock.

Products are divided into cylindrical ball lock, three-bar ball lock, fixed lock and glove lock according to the lock body structure; Locking devices are divided into buttons, knobs and push buttons.

According to the different requirements of its performance, safety, practicability and final use effect, the products are divided into two types: A (safety) and B (common).

Source: Baidu Encyclopedia: Spherical Door Lock