Electric oral cleaning tool

An electric oral cleaning tool, comprising:

• a housing, a transmission rod, and a brush head assembly;
• wherein the brush head assembly is rotatably connected to an end of the housing, and a functional element is arranged on a side of the brush head assembly;
• a movable disk is arranged on another side of the brush head assembly, and the movable disk has a mating area offset from a center of the brush head assembly;
• the transmission rod is arranged in the housing and has an input end and an output end;
• the output end is eccentrically arranged relative to the input end in an axial direction of the transmission rod;
• the input end is configured to be connected to a transmission mechanism, the output end is directly connected to and matched with the mating area;
• and the output end is located within the mating area, in condition of the output end reciprocating with a variable diameter relative to a center of the movable disk, the output end moves linearly to directly drive-the mating area to oscillate reciprocally and cause the brush head assembly to oscillate reciprocally;
• the variable diameter refers to a fact that a distance between the output end and the center of the movable disk changes during the reciprocating of the output end;
• the transmission rod is integrally formed or at least the input end is integrally formed with the transmission rod;
• the transmission rod or at least the input end is made of magnetizable material;
• and
• the mating area is a fixing rod, and the output end defines a connecting hole;
• the fixing rod is disposed in the connecting hole;
• when the output end moves longitudinally and drives the connecting hole to move longitudinally, the fixing rod moves transversely in the connecting hole.

An electric oral cleaning tool, comprising:

• a housing, a transmission rod, and a brush head assembly;
• wherein the brush head assembly is rotatably connected to an end of the housing, and a functional element is arranged on a side of the brush head assembly;
• a movable disk is arranged on another side of the brush head assembly, and the movable disk has a mating area offset from a center of the brush head assembly;
• the transmission rod is arranged in the housing and has an input end and an output end;
• the output end is eccentrically arranged relative to the input end in an axial direction of the transmission rod;
• the input end is configured to be connected to a transmission mechanism, and the output end is matched with the mating area;
• the output end is configured to drive the mating area and the brush head assembly to oscillate reciprocally;
• the transmission rod is integrally formed or at least the input end is integrally formed with the transmission rod;
• the transmission rod or at least the input end is made of magnetizable material;
• and
• the mating area is a groove, the output end is arranged with a guide rod;
• the guide rod is disposed in the groove, and a minimum distance between a center point of the guide rod and a central axis of the input end is 1.5-4.5 mm.