A replaceable bristle brush head and toothbrush

By designing a detachable mounting slot and elastic part, the waste problem caused by the toothbrush bristles being integrated with the brush head is solved, enabling quick bristle replacement and cost reduction, and improving the user experience.

CN224483306UActive Publication Date: 2026-07-14SHANGHAI XUEFU INTELLIGENT TECHNOLOGY CO LTD
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
SHANGHAI XUEFU INTELLIGENT TECHNOLOGY CO LTD
Filing Date
2025-04-11
Publication Date
2026-07-14

AI Technical Summary

Technical Problem

The current toothbrush bristles and brush head are designed as a single unit, which means that the entire handle needs to be replaced even when the bristles are not damaged, resulting in waste and high operating costs.

Method used

A replaceable brush head is designed. By setting a detachable mounting groove and an elastic part on the brush head handle, the deformation of the elastic part can realize the quick disassembly of the brush bristle assembly. Combined with the interference fit of the slot and the block, the connection is ensured to be stable. The prompt module can remind the user to replace it in time.

Benefits of technology

It enables quick bristle replacement, reduces brush handle waste, lowers usage costs, and ensures timely bristle replacement through a prompt module, thus improving the user experience.

✦ Generated by Eureka AI based on patent content.

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    Figure CN224483306U_ABST
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Abstract

The utility model discloses a replaceable brush head and toothbrush of brush hair, including brush head handle and brush hair subassembly, the brush hair subassembly includes base plate and the brush hair of planting in a plurality of base plate, the brush head handle includes the front surface of facing the brush hair and the back surface opposite with the front surface, the brush head handle is equipped with the installation groove of the detachable installation of base plate, the installation groove includes the groove bottom of the brush hair away, the groove bottom includes the elastic part of making of elastic material to when the external force is along X direction and acts on the elastic part, the base plate is under the extrusion of the elastic part and separates from the installation groove, wherein, the X direction is by the back surface points to the front surface, thereby the user through pressing elastic part can realize the disassembly of brush hair subassembly, convenient and fast.
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