Spring-type glass breaking device

The utility model discloses a spring-type glass breaking device which comprises a bracket, a button mechanism, a breaking shaft and an action spring, wherein the bracket can be arranged on a window frame of a vehicle glass window, the button mechanism is arranged in the bracket, and the action spring is used for pushing the breaking shaft to move forwards; the breaking shaft is arranged in the bracket in a way of being vertical to the window surface of the vehicle glass window along the axial line; the breaking shaft is provided with a sharp front end, a limit snap spring is arranged at the middle-rear part of the breaking shaft, and the action spring is sleeved at the rear part of the breaking shaft and compressed between the limit retainer of the breaking shaft and the rear side of the bracket; the button mechanism can be flexibly arranged in the bracket along the direction of being vertical to the breaking shaft; and the button mechanism is provided with a blocking structure, and a blocking groove which is