Patent ID: 11896986
Assignee: POSITEC TECHNOLOGY CHINA CO. LTD.
Field: Chemical engineering (Chemistry)
Classification: CPC B | IPC B

Claim 7:
8. The nozzle device applied to a high-pressure cleaning machine according to claim 7, wherein there are a plurality of exhaust ports, the plurality of exhaust ports are circumferentially arranged on the cover body around the central axis, a plurality of exhaust valves and liquid discharge ports are arranged in one-to-one correspondence, there are a plurality of liquid discharge ports, the plurality of liquid discharge ports are circumferentially arranged on the cover body around the central axis, the cover body is operable to rotate circumferentially around the central axis to select one of the plurality of liquid discharge ports to connect with the water outlet channel, and in this case, one of the exhaust ports connects with the air outlet hole.