This utility model relates to masseur, particularly relates to a kind of adjustable helmet and helmet-type massager.A kind of adjustable helmet is provided, comprise helmet main body, helmet main body comprises procapsid and back casing, two tooth bars are adopted to be connected between procapsid and two junctions of back casing, helmet main body is also provided with governor motion, governor motion comprises knob assembly and latch assembly, knob assembly comprises knob outer ring, knob shell and with ratchet group, the pawl seat that ratchet group comprises ratchet and coordinates with ratchet, pawl seat is provided with two groups of ratchet rings, ratchet is provided with two moving teeth that can coordinate with two ratchet rings respectively, latch assembly comprises rotating shaft, gear and knob snap close, a kind of helmet-type massager is also provided, comprises the above-mentioned helmet.Governor motion of the present utility model adopts ratchet driving, knob outer ring can be made to carry out along inverse two-ways regulation to realize the adjustment of helmet caliber size, more convenient, the phenomenon that latch assembly can effectively prevent the helmet loosening is established in it, when being applied in masseur, massage comfort level controllability is high, easy to operate.
