Title:
BRUSH HEAD ASSEMBLY OF ELECTRIC TOOTHBRUSH AND ELECTRIC TOOTHBRUSH
Document Type and Number:
WIPO Patent Application WO/2023/216827
Kind Code:
A1
Abstract:
Disclosed in the embodiment of the present application is a brush head assembly of an electric toothbrush, comprising a brush head and a connecting shaft assembly. The brush head comprises a brush head main body and a brushing portion. The brush head main body comprises a head portion, a rod portion and a lock cylinder. The rod portion is provided with a mounting groove. The lock cylinder is fixedly arranged on the peripheral wall surface of the mounting groove in a protruding manner, and forms a reversing cavity with the bottom wall surface of the mounting groove. The lock cylinder is provided with a lock hole or a lock hole is defined by the lock cylinder and the peripheral wall surface of the mounting groove. The brushing portion is fixedly mounted on the head portion. The connecting shaft assembly comprises a connecting shaft, a lock head and a clamping member. When the lock head is aligned with the lock hole, the lock head can penetrate through the lock hole in an axial direction to extend into or retreat from the reversing cavity, and the lock head can rotate in the axial direction by a preset angle to be in a locking state. In the locking state, the lock head abuts against the lock cylinder for limiting in the axial direction. The clamping member is matched with the lock head to clamp, in the axial direction, the brush head main body. The mounting method of the present utility model is simple and convenient, and can achieve quick disassembly and assembly.
Inventors:
YE HONGXIN (CN)
Application Number:
PCT/CN2023/089243
Publication Date:
November 16, 2023
Filing Date:
April 19, 2023
Export Citation:
Assignee:
SHENZHEN SHUYE TECH CO LTD (CN)
International Classes:
A61C17/22; A46B5/00
Foreign References:
| CN217525462U | 2022-10-04 | |||
| US5564152A | 1996-10-15 | |||
| US5768737A | 1998-06-23 | |||
| CN109106461A | 2019-01-01 | |||
| CN110151348A | 2019-08-23 |
Attorney, Agent or Firm:
GUANGDONG YUNFENG LAW FIRM et al. (CN)
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