Electric toothbrush

• Main Author: CHANGHE WU
• Format: Patent
• Language: English
• Published: 06.09.2006
• Subjects: APPARATUS OR METHODS FOR ORAL OR DENTAL HYGIENE; DENTISTRY; HUMAN NECESSITIES; HYGIENE; MEDICAL OR VETERINARY SCIENCE

The utility model relates to an electric toothbrush which comprises a front brush body and a toothbrush handle, wherein the rear parts of the toothbrush handle are connected, the inner side of the toothbrush handle is provided with a direct current electric motor and a battery, and a transmission shaft of the direct current electric motor is connected with the brush body, the front part of which can rotate; the brush body is composed of a protective cover and a helical circular brush body of the protective cover, and a rotary shaft of the helical circular brush body is connected with the transmission shaft of the direct current electric motor; the brush body is matched with a power transmission jack of the front end part of the toothbrush handle through a square or a flat bayonet joint for quick change connection. The utility model belongs to an improvement to the prior art, has the advantages of reasonable and compact structure, convenient and reliable use, etc., can conveniently brush the dirt of the up-and-down tooth gaps according to the rotary direction of the circular brush body and has better tooth cleaning effect.