Motor vehicle lock signal triggering device, motor vehicle lock and motor vehicle

The invention provides a motor vehicle lock signal triggering device which comprises a spring bolt component and a signal triggering component, the spring bolt component comprises a spring bolt, the spring bolt is provided with a main locking position and a pre-locking position, the spring bolt component can be kept at a full-locking position based on the main locking position, and the spring bolt component can be kept at a half-locking position based on the pre-locking position; the pawl component comprises a main pawl, and the main pawl can be meshed with the main locking position of the spring bolt, so that the spring bolt component can be kept at the full-locking position; and when the main pawl and the spring bolt are changed from the non-meshing state to the meshing state, the signal state of the pawl signal device is changed so as to indicate the main pawl to keep the spring bolt at the full-locking position. The invention further provides a motor vehicle lock and a motor vehicle. 本公开提供了一种机动车锁信号触发装置，包括