Lift detection mechanism and a lawnmower

Abstract

The application relates to the field of grass cutting equipment, and provides a lifting detection mechanism and a mower. A sliding cavity is arranged in the shell of the lifting detection mechanism, a sliding seat and an elastic piece are arranged in the sliding cavity, the sliding seat is arranged in the sliding cavity in an axially sliding mode, and the elastic piece is arranged between the sliding seat and the bottom wall of the sliding cavity; a universal wheel shaft penetrates the shell and the sliding seat in an adjustable mode, one end of the universal wheel shaft extends above the sliding seat and is fixedly provided with a gasket, a preset distance is reserved between the gasket and the top of the sliding seat, and the other end of the universal wheel shaft is connected with a wheel; the detection assembly comprises a magnetic piece and a sensing piece, the magnetic piece is arranged on the sliding seat, and the sensing piece is arranged on the equipment base and corresponds to the position of the magnetic piece. The universal wheel shaft and the sliding seat are independent of each other, only one gasket needs to be mounted on the universal wheel shaft during assembly, and the sliding seat does not need to be assembled, so that the assembly process is simplified; moreover, the gasket and the sliding seat maintain a preset distance in the vertical direction, the gasket and the sliding seat are not in contact in the initial state, and do not affect each other.

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