Mechanical sealing structure for low-speed rotating shaft

The utility model discloses a mechanical sealing structure for a low-speed rotating shaft, which relates to the field of sealing and comprises a base body, a sealing seat body and a rotating shaft body, the sealing seat body is arranged on one side of the base body, and the rotating shaft body is rotatably connected inside the base body and the sealing seat body. A mounting mechanism is arranged between the base body and the sealing seat body and comprises an insertion block fixedly connected to one side of the sealing seat body, the problem that most existing sealing seats are tedious to disassemble and replace is solved, so that the replacement time of the sealing seats is prolonged, and the replacement efficiency of the sealing seats is improved. According to the device, a first spring can reset a clamping block through the elasticity of the first spring, the clamping block is movably clamped in a clamping groove, the clamping block can limit a sealing seat body through the connection relation between the