CN215273528U

CN215273528U - Novel rotary toothbrush head of electric toothbrush

Info

Publication number: CN215273528U
Application number: CN202121009537.6U
Authority: CN
Inventors: 郭宇轩
Original assignee: Shenzhen Xinrui Technology Co ltd
Current assignee: Shenzhen Xinrui Technology Co ltd
Priority date: 2021-05-12
Filing date: 2021-05-12
Publication date: 2021-12-24
Anticipated expiration: 2031-05-12

Abstract

The utility model discloses a novel rotary toothbrush head of an electric toothbrush, which is arranged at the upper end of a grab handle of an electric toothbrush body, and comprises a rotary head and a protective cover; the rotary head is positioned in the protective sleeve; the electric toothbrush is characterized in that the fixed loop bar is fixedly connected with the electric toothbrush body, the spacer is arranged on the fixed loop bar, the motor drives the rotating shaft to rotate in the fixed loop bar, when a user uses the electric toothbrush, the brush hair of the brush head and the contact surface of the oral cavity membrane are separated by the spacer, the use is safe and has no hidden trouble, and the fixed loop bar and the electric toothbrush body grab handle are simple to install and are suitable for connecting various electric toothbrush body grab handles; the rotary head is convenient to wear, replace and install, and great convenience is brought to a user.

Description

Novel rotary toothbrush head of electric toothbrush

Technical Field

The utility model relates to an electric toothbrush, in particular to a rotary toothbrush head of an electric toothbrush.

Background

The electric toothbrush utilizes the core vibrating at high speed to drive the brush head to rotate or vibrate so as to achieve the effect of cleaning teeth; the rotary electric toothbrush is characterized in that bristles are arranged on the brush head in a whole circle, when the rotary electric toothbrush is used, the brush head rotates 360 degrees, tooth gaps are clean, tooth surfaces are cleaned completely, and the tooth brushing force is high, so that the rotary electric toothbrush is loved by a user. However, the existing rotary electric toothbrush head is completely exposed without an isolation sleeve, bristles of the toothbrush head are directly contacted with the inner wall of the oral cavity, the toothbrush head is improperly used, and the oral cavity membrane or gum is easily punctured by the bristles to bring potential safety hazards, so that the prior art needs to be improved.

Disclosure of Invention

The utility model provides a novel rotatory toothbrush head of electric toothbrush sets up safety cover and spacing block, and the head of turning round of toothbrush is under the drive of pivot in the safety cover internal rotation, and the brush head of turning round is kept apart through the spacing block with the oral cavity inner wall, and is safe in utilization to solve the defect in the above-mentioned background art.

A novel rotary toothbrush head of an electric toothbrush is arranged at the upper end of a handle of an electric toothbrush body, and comprises a rotary head and a protective cover; the rotary head is positioned in the protective sleeve.

The rotating head comprises a brush head and a rotating shaft, wherein the brush head is provided with orderly arranged brush hairs in a whole circle, and the brush head is fixedly connected with the rotating shaft.

The protective sheath includes fixed loop bar, spacing block, and the inside cavity of fixed loop bar, spacing block are semi-circular, and the upper end transversely extends into the circular arc type, and spacing block and fixed loop bar integrated into one piece lie in fixed loop bar upper end one side, are equipped with the bearing in the fixed loop bar port, are equipped with the draw-in groove in the lower extreme, the buckle that this draw-in groove and electric toothbrush body grab handle link set up is corresponding.

During installation, the bearing is installed in the upper end of the fixed loop bar, the rotating shaft penetrates through the bearing and the fixed loop bar, the lower end of the rotating shaft extends into the electric toothbrush body grab handle to be detachably connected, and a clamping groove arranged in the lower end of the fixed loop bar is clamped and fixedly connected with a buckle arranged at a connecting port of the electric toothbrush body grab handle; the rotating head is positioned on one side of the isolating sheet, and the isolating sheet isolates the bristles on the top and one side of the rotating head; the motor arranged in the grab handle of the electric toothbrush body drives the rotating shaft to rotate in the fixed loop bar.

Preferably, the bristle material is PBT (polybutylene terephthalate) soft bristles or natural pig bristles or nylon filaments.

The utility model has the advantages that the fixed loop bar is fixedly connected with the electric toothbrush body grab handle, the spacer is arranged on the fixed loop bar, the motor drives the rotating shaft to rotate in the fixed loop bar, when the electric toothbrush is used by a user, the brush hair of the brush head and the contact surface of the oral cavity membrane are separated by the spacer, the use is safe and has no hidden trouble, the fixed loop bar and the electric toothbrush body grab handle are simple to install and are suitable for connecting various electric toothbrush body grab handles; the rotary head is convenient to wear, replace and install, and great convenience is brought to a user.

[ description of the drawings ]

FIG. 1 is an overall appearance diagram of the present invention;

FIG. 2 is an exploded view of the present invention;

fig. 3 is a cross-sectional view of the present invention.

Wherein: a-a rotary toothbrush head, 10-a rotary head, 11-a brush head, 12-a rotating shaft, 20-a protective cover, 21-a fixed loop bar, 211-a clamping groove, 22-a spacing sheet, 23-a bearing, B-a handle of an electric toothbrush body and B-a buckle.

[ detailed description ] embodiments

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.

It should be noted that all the directional indicators (such as upper, lower, left, right, front, and rear … …) in the embodiments of the present invention are only used to explain the relative position relationship between the components, the motion situation, etc. in a specific posture (as shown in the drawings), and if the specific posture is changed, the directional indicator is changed accordingly.

Referring to fig. 1-3, a novel rotary toothbrush head of an electric toothbrush is mounted at the upper end of a handle of an electric toothbrush body, and the rotary toothbrush head a comprises a rotary head 10 and a protective cover 20; the rotor 10 is located within a protective sleeve 20.

The rotary head 10 comprises a brush head 11 and a rotary shaft 12, wherein the brush head 11 is provided with regularly arranged bristles 111 in a whole circle, and the brush head 11 is fixedly connected with the rotary shaft 12.

Protective sheath 20 includes fixed loop bar 21, spacing block 22, and the inside cavity of fixed loop bar 21, spacing block 22 are semi-circular, and the upper end transversely extends into the circular arc type, and spacing block 22 and fixed loop bar 21 integrated into one piece are located fixed loop bar 21 upper end one side, are equipped with bearing 23 in the fixed loop bar 21 upper end, are equipped with draw-in groove 211 in the lower extreme, this draw-in groove 211 is corresponding with buckle B that electric toothbrush body grab handle B link set up.

During installation, the bearing 23 is installed in the upper end of the fixed loop bar 21, the rotating shaft 12 penetrates through the bearing 23 and the fixed loop bar 21, the lower end of the rotating shaft 12 extends into the electric toothbrush body grab handle B to be detachably connected, and the clamping groove 211 arranged in the lower end of the fixed loop bar 21 is fixedly connected with the buckle B arranged at the connecting port of the electric toothbrush body grab handle in a clamping manner; the brush head 11 is positioned at one side of the isolation sheet 22, and the isolation sheet 22 isolates the top of the brush head 11 from the bristles 111 at one side; the motor arranged in the handle B of the electric toothbrush body drives the rotating shaft 12 to rotate in the fixed loop bar 21.

The utility model discloses during the use, fixed loop bar and electric toothbrush body grab handle are fixed connection, the motor drives the pivot at fixed loop bar internal rotation, fixed loop bar is motionless, the spacing block of fixed loop bar upper end keeps the position unmovable equally, during the use, rotatory toothbrush head stretches into the oral cavity, the spacing block is located oral cavity inner wall side, the pivot drives 360 rotations of brush head, the brush head is cleaned each position of tooth, the spacing block is but keeps apart the brush hair of brush head and oral cavity inner wall, fixed loop bar, spacing block position unmovable, the friction of brush hair to oral cavity inner wall skin has been avoided, safety in utilization.

The utility model has the advantages that the fixed loop bar is connected with the electric toothbrush body in a clamping way, so that the installation is convenient; when the brush head is abraded, the rotating shaft is directly disassembled due to the fact that the rotating shaft is detachably connected with the handle of the electric toothbrush body, and the whole rotating head is replaced, so that the electric toothbrush is convenient to install.

The above description is only for the preferred embodiment of the present invention, and the above specific embodiments are not intended to limit the present invention. Within the scope of the technical idea of the present invention, various modifications and alterations can be made, and any person skilled in the art can make modifications, amendments or equivalent replacements according to the above description, all belonging to the protection scope of the present invention.

Claims

1. A novel rotary toothbrush head of an electric toothbrush is arranged at the upper end of a handle of an electric toothbrush body, and comprises a rotary head and a protective cover; the rotary head is positioned in the protective sleeve; the method is characterized in that:

the rotating head comprises a brush head and a rotating shaft, wherein the brush head is provided with regularly arranged bristles in a whole circle, and the brush head is fixedly connected with the rotating shaft;

the protective sleeve comprises a fixed sleeve rod and a spacer, the fixed sleeve rod is hollow, the spacer is semicircular, the upper end of the spacer transversely extends into an arc shape, the spacer and the fixed sleeve rod are integrally formed and are positioned on one side of the upper end of the fixed sleeve rod, a bearing is arranged in the upper end opening of the fixed sleeve rod, a clamping groove is arranged in the lower end of the fixed sleeve rod, and the clamping groove corresponds to a buckle arranged at the connecting end of the grab handle of the electric toothbrush body; during installation, the bearing is installed in the upper end of the fixed loop bar, the rotating shaft penetrates through the bearing and the fixed loop bar, the lower end of the rotating shaft extends into the electric toothbrush body grab handle to be detachably connected, and a clamping groove arranged in the lower end of the fixed loop bar is clamped and fixedly connected with a buckle arranged at a connecting port of the electric toothbrush body grab handle; the rotating head is positioned on one side of the isolating sheet, and the isolating sheet isolates the bristles on the top and one side of the rotating head; the motor arranged in the grab handle of the electric toothbrush body drives the rotating shaft to rotate in the fixed loop bar.

2. The novel rotary toothbrush head of an electric toothbrush according to claim 1, wherein: the bristles are made of PBT soft bristles or natural pig bristles or nylon filaments.