Patent ID: 11969307
Assignee: LESKY (SHENZHEN) TRADING CO., LTD.
Field: Medical technology (Instruments)
Classification: CPC A | IPC A

Claim 0:
1. An electric toothbrush head, comprising a brush body and an insertion block,
an upper part of the brush body being provided with bristles and a lower part of the brush body being provided with an insertion chamber, wherein the insertion chamber extends through a bottom of the brush body;
the insertion block being inserted into the insertion chamber and defining an insertion channel for inserting of a movement therein, the insertion channel extending through a bottom of the insertion block, an outer wall of the movement abuts an inner wall of the insertion block around the insertion channel when the movement is inserted into the insertion channel;
a connecting section being provided on an upper part of the insertion block and located above the insertion channel;
an adhesive section being provided on an upper part of the connecting section, an outer wall of the adhesive section being fixed to an inner wall of the brush body around the insertion chamber by colloidal bonding; and
a clamping section being provided on a lower part of the connecting section, and an outer wall of the clamping section and the inner wall of the brush body around the insertion chamber being fixed relative to each other by clamping of a clamping structure which is concave-convex shaped;
wherein a gap is defined between the outer wall of the adhesive section and the inner wall of the brush body around the insertion chamber, and colloid is filled in the gap to form an adhesive layer which bonds the outer wall of the adhesive section and the inner wall of the brush body around the insertion chamber fixedly; and wherein a top of the adhesive section is configured to be arc-shaped and forms an arc-shaped surface.