Rotary limiting mechanism of wireless charging assembly, charging device and portable power supply

The utility model relates to the field of wireless charging, in particular to a rotary limiting mechanism of a wireless charging assembly, a charging device and a portable power supply. The key is arranged on the wireless charger base; a pawl is arranged on the key and is rotatably clamped with the ratchet wheel; an elastic piece is arranged between the key and the wireless charger base, the key can move in the deformation direction of the elastic piece, and when the key moves in the force storage deformation direction of the elastic piece, the pawl is disengaged from the ratchet wheel. According to the utility model, the relative rotation of the wireless charging panel and the wireless charging base can be controlled by adopting the rotary limiting mechanism, the connection between the wireless charging panel and the wireless charging base can be unlocked and adjusted at any time through the key, and the wireless charging panel and the wireless charging base can keep a certain angle, so that the requirement