Brush head device of multifunctional oral care tool

Abstract

The invention discloses a brush head device of a multifunctional oral care tool. The invention belongs to the technical field of oral care. The brush head device comprises a concave plate, and a fixedblock is arranged in the concave plate; the left side surface of the fixed block is fixedly connected with a brush head; grooves are formed in the upper surface and the lower surface of the fixed block; springs are fixedly connected to the lower surfaces of the inner walls of the grooves, clamping blocks are fixedly connected to the top ends of the springs, the upper surfaces of the clamping blocks are in lap joint with the lower surface of a limiting plate, an extrusion device is fixedly connected to the upper surface of the limiting plate, and through holes are formed in the upper surface and the lower surface of the concave plate. According to the brush head device of the multifunctional oral care tool, by arranging the push rod, the limiting plate, the clamping block and the spring, the friction force between the brush head and the handle cannot be reduced due to repeated replacement of the brush head by people, the convenient replacement work of the brush head is guaranteed, thestable fixation of the brush head by the device is also guaranteed, and the use of people is further facilitated.

Description

technical field [0001] The invention belongs to the technical field of oral care, in particular to a brush head device of a multifunctional oral care tool. Background technique [0002] Toothbrush is the most common tool in the oral care process. The brush heads of ordinary toothbrushes are generally not detachable, and some of the brush heads are detachable, but the brush head is often inserted into the brush handle and carried out with an interference fit. Connection, and the friction between the brush handle and the brush head will decrease after repeated use, so that the brush head is prone to displacement, loosening and falling during the use of the toothbrush, which is inconvenient for users to use. Contents of the invention [0003] (1) Solved technical problems [0004] In order to overcome the above-mentioned defects of the prior art, the present invention provides a brush head device of a multifunctional oral care tool, which solves the problem that the detachab...

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Problems solved by technology

[0004] In order to overcome the above-mentioned defects of the prior art, the present invention provides a brush head device of a multi-functional oral care tool, which solves the problem that the detachable brush head of an ordinary toothbrush tends to loosen and fall off after being used for a long time

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