Oscillating adjusting assembly, fan, oscillating control method and oscillating control device

The invention relates to the technical field of fans, and discloses a head shaking adjusting assembly, a fan, a head shaking control method and a control device.The head shaking adjusting assembly comprises an incomplete gear suitable for being driven by a head shaking motor to rotate between a first position and a second position in a reciprocating mode, and the first position corresponds to the left limit position when a fan head shakes left and right; the second position corresponds to a right limit position when the fan swings left and right; the first one-way bearing comprises a first bearing inner ring and a first bearing outer ring, the first bearing inner ring is suitable for synchronously rotating along with the first bearing outer ring in the first direction, when the first bearing outer ring rotates in the second direction, the first bearing inner ring does not rotate, and the second direction is opposite to the first direction; and the second one-way bearing comprises a second bearing inner ring a