Multifunctional password knob matching key and mechanical door lock

The utility model provides a multifunctional password knob matching key and a mechanical door lock, the matching key is detachably arranged on a door lock with a password knob, the matching key comprises a main body used for holding and a functional head used for being matched with the password knob, and when the functional head is matched with the password knob and the main body is subjected to torsional force, the functional head can drive the password knob to rotate. The multifunctional password knob matching key can assist people in rotating the password knob of a mechanical password lock more conveniently, the matching key is used in a more labor-saving mode compared with the mode that the password knob is directly rotated by hands, and the matching key is placed in a door lock when not used, not prone to being lost, capable of being taken after being used and convenient to use. 本公开提供了一种多功能密码旋钮配钥及机械门锁，配钥可拆卸的设置于具有密码旋钮的门锁上，包括用于把持的主体以及用于与密码旋钮配合的功能头，在功能头与密码旋钮配合且主体受到扭转力时，功能头能够带动密码旋钮旋转。本公开的多功能密码旋钮配钥能够实现辅助人们更方便