Shell, motor and electric forklift

The invention provides a shell, a motor and an electric forklift, and the shell comprises a housing, the end face of one end of the housing is provided with a first annular groove, and the first annular groove is internally provided with a plurality of first clamping parts; one side surface of the end cover is a matching surface, the matching surface is provided with an annular bulge matched with the first annular groove, the annular bulge is provided with a plurality of second clamping parts, the plurality of second clamping parts are in one-to-one correspondence with the plurality of first clamping parts, the first clamping parts comprise accommodating cavities, and the accommodating cavities are communicated with the accommodating cavities. The side wall face, located in the first annular groove, of the containing cavity is concaved to form the containing cavity, the containing cavity comprises a stopping face, and the stopping face is connected with the side wall face of the first annular groove. And the