CN210541901U

CN210541901U - Double-head electric toothbrush

Info

Publication number: CN210541901U
Application number: CN201920941531.9U
Authority: CN
Inventors: 施新洪
Original assignee: Individual
Current assignee: Individual
Priority date: 2019-06-21
Filing date: 2019-06-21
Publication date: 2020-05-19
Anticipated expiration: 2029-06-21

Abstract

The utility model provides a double-head electric toothbrush. The double-end electric toothbrush comprises a brush holder body, a motor, a battery, a reduction gear and a control panel which are connected with each other are arranged in the brush holder body, a switch button connected with the control panel is arranged on the brush holder body, a brush holder is movably fixed on the top of the brush holder body, the top of the brush holder is fixed with a brush head frame, two opposite transmission shafts are inserted from the outer side of the brush holder and are meshed with the reduction gear in the brush holder body, meanwhile, the brush head frame is made of medium soft rubber and comprises a body, two arc-shaped rods which are horizontally opposite are upwards extended on the body, a connecting piece I is arranged on each arc-shaped rod, the transmission shafts are made of plastic materials with elasticity, a connecting piece II which is opposite to the connecting piece I is fixed on the top of each transmission shaft, as the brush head frame is single, the transverse width of the brush head frame is small, a, the brush head is firmly fixed and has long service life.

Description

Double-head electric toothbrush

Technical Field

The utility model belongs to articles for daily use field, specific double-end electric toothbrush that says so.

Background

The electric toothbrush is a common tooth cleaning tool, the existing single-head electric toothbrush is generally cleaned through sound wave vibration, food in tooth gaps cannot be cleaned, the sound wave vibration can also damage brain, the single-head electric toothbrush with the brush head rotated through the motor can only clean the teeth in turn on one side, the cleaning is troublesome, the force of the brush head attached to the teeth is controlled by pressing the brush handle, if the brush head is pressed to be too light, no cleaning effect is achieved, if the brush head is pressed to be too heavy, the motor is stopped, and the brush head cannot be easily controlled.

In order to make the cleaning effect of the electric toothbrush better and control the force of the brush head against the teeth better, some manufacturers design double-head electric toothbrushes, wherein two parallel brush handles are fixed at the upper ends of the brush handles, two U-shaped brush head frames are arranged at the upper ends of the two brush handles, the openings of the two U-shaped brush head frames are opposite, a brush head is respectively arranged in each U-shaped brush head frame, such as a double-head electric toothbrush with an authorized bulletin number of CN 2481294Y and a double-head electric toothbrush with an authorized bulletin number of CN 2582560Y, the double-head electric toothbrushes have too wide transverse width due to the opposite arrangement of the openings of the brush head frames, the two brush head frames are very uncomfortable when being clamped on the two sides of the teeth, and the transmission shafts connecting the motor and the brush heads are arranged in the two double-head electric toothbrushes, the brush handles push the brush head to move back and forth in the oral cavity, therefore, the two brush handles, therefore, the distance between the two brush heads is relatively fixed, the effect is not good when the two brush heads are clamped into teeth with different sizes for use, and the double-head electric toothbrush also comprises a single brush handle and a Y-shaped single brush head frame, wherein the two brush heads are respectively arranged on the two Y-shaped fork heads bent towards one side, and if the double-head electric toothbrush with the authorization notice number of CN207721912U is used, the two brush heads are fixed with the brush head frame only through one end of the brush head, so that the fixation is unstable, the brush heads are easy to deform or fall off after being used for a period of time, and the two brush heads are easy to damage by adopting a micro motor and have short service life.

SUMMERY OF THE UTILITY MODEL

In view of the defects of the existing double-head electric toothbrush, the utility model aims to solve the technical problems that: provides a double-head electric toothbrush with firm fixation of the brush head, comfortable and convenient use.

In order to achieve the above object, according to one aspect of the present invention, the present invention is realized by the following technical measures: a dual head electric toothbrush comprising:

the brush handle body is internally provided with a motor, a battery, a reduction gear and a control panel which are mutually connected, and the brush handle body is provided with a switch button connected with the control panel;

the two transmission shafts are arranged at the upper end of the brush handle body and driven to rotate by the reduction gear, and a connecting piece II is fixed at the upper end of each transmission shaft;

the brush handle is movably fixed at the upper end of the brush handle body, and a through hole for the transmission shaft to penetrate out is formed in the brush handle, so that the transmission shaft with the connecting piece II side is positioned outside the brush handle;

the brush head frame is fixed at the upper end of the brush handle and comprises a body, two arc-shaped rods horizontally opposite to each other extend upwards on the body, and a connecting piece I opposite to the connecting piece II is arranged on each arc-shaped rod;

the brush head is fixedly connected with the connecting piece I and the connecting piece II in an inserting mode, and the brush head rotates along with the transmission shaft after the transmission shaft rotates.

The brush head frame of the double-head electric toothbrush is single, the transverse width of the double-head electric toothbrush is small, the brush head frame is connected and fixed with the single brush handle, the two side oral cavities of the teeth cannot be greatly and uncomfortable when the double-head electric toothbrush is placed in an oral cavity for brushing teeth, the motor is arranged in the brush handle body and is not directly arranged in the brush head of the brush head, the brush head is fixed and firm, and the service life is long.

Further, brush holder body upper end extends there is the cylinder that the diameter is less than the brush holder body, and the cylinder upper end extends has the grafting post that supplies the transmission shaft to peg graft, cavity in the brush holder, brush holder internal fixation have the plug bush, and the cross-under hole is the centre bore of plug bush, still is equipped with the fixed inserted sheet of relative cooperation and interface in the brush holder and on the cylinder simultaneously, and the upper end of brush holder still is equipped with the card post, and the card post passes the inserting groove of establishing at brush head frame body lower extreme and establishes the joint hole grafting on the vertical face of body. The design structure is reasonable, and all the parts are fixed firmly.

Further, the transmission shaft is made of a soft plastic material with elasticity, and the brush head frame is made of soft rubber. The design enables the brush head to be easily inserted into two sides of teeth and tightly wrap the teeth, so that food between teeth can be cleaned more easily, and the teeth with different sizes are suitable for use.

Compared with the prior art, the utility model has the advantages of: the whole structure is firm, and the use is comfortable and convenient, thereby being suitable for most users.

Drawings

The accompanying drawings, which form a part hereof, are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description serve to explain the invention. In the drawings:

fig. 1 is a schematic structural view of the double-head electric toothbrush of the present invention.

Fig. 2 is a schematic view of the components of fig. 1.

Description of reference numerals: 1. a brush handle body; 2. a switch button; 3. a drive shaft; 4. a connecting piece II; 5. a brush handle; 6. a brush head frame; 7. a body; 8. an arcuate bar; 9. a connecting piece I; 10. a brush head; 11. a cylinder; 12. inserting the column; 13. a plug bush; 14. a plug-in sheet; 15. clamping the column; 16. inserting grooves; 17. a clamping hole.

Detailed Description

The present invention will be described in detail below with reference to the accompanying drawings in conjunction with embodiments. It should be noted that the embodiments and features of the embodiments in the present application may be combined with each other without conflict.

In the description of the present invention, it is to be understood that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", "bottom", "top", and the like, indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention.

Example 1

Referring to fig. 1 and 2, the double-headed electric toothbrush provided in this embodiment includes a toothbrush handle body 1, a toothbrush handle 5, a toothbrush head frame 6, a toothbrush head 10 and two transmission shafts 3, wherein a motor, a battery, a reduction gear and a control panel are disposed in the toothbrush handle body 1, a switch button 2 is further fixed on the toothbrush handle body 1, the motor, the battery, the reduction gear, the control panel and the switch button 2 are conventional devices, a cylinder 11 having a diameter smaller than that of the toothbrush handle body 1 extends from the upper end of the toothbrush handle body 1, two horizontally opposite hollow insertion posts 12 are extended from the upper end of the cylinder 11, an insertion piece 14 is extended upward from the right side of the upper end of the cylinder 11, the toothbrush handle 5 is a hollow cone, a locking post 15 is further fixed on the right side of the upper end of the toothbrush handle 5, two insertion sleeves 13 corresponding to the two insertion posts 12 on the upper end of the toothbrush handle body 1 are fixed, the central hole forms a through hole penetrating through the brush handle 5, the inner wall of the brush handle 5 opposite to the inserting sleeve 13 is also provided with an inserting port for inserting the inserting sheet 14, so that the brush handle 5 is more firmly inserted outside the cylinder 11, the brush head frame 10 is made of medium soft rubber, the brush head frame 10 comprises a body 7, two arc-shaped rods 8 horizontally opposite extend upwards on the body 7, the arc-shaped rods 8 are provided with connecting pieces I9 opposite to the connecting pieces II 4, the bottom of the body 7 is provided with inserting grooves 16 for the upper end of the brush handle 5 to pass through, the vertical side wall of the body 7 is provided with clamping holes 17 for inserting the clamping posts 15, the transmission shafts 3 are two, the transmission shafts 3 are plastic shafts with medium soft and elasticity, the lower ends of the two transmission shafts 3 penetrate through the inserting sleeve 13 at the lower end of the brush handle 5 and the inserting posts 12 at the upper end of the brush handle body 1 and then are connected to a speed reducing gear in the brush handle body 1, the upper and lower ends of the two brush heads 10 are respectively inserted and fixed on the brush head frame 6 connecting piece I9 and the transmission shaft 3 connecting piece II 4, and the brush heads 10 are rotated by the rotation of the transmission shaft 3.

The double-head electric toothbrush adopting the structure is characterized in that the brush head frame 6 is only one, the transverse width of the double-head electric toothbrush is small, the brush head frame 6 is connected and fixed to be the single brush handle 5, the two sides of teeth can not be greatly supported and uncomfortable when the double-head electric toothbrush is placed in an oral cavity for brushing teeth, meanwhile, the two brush heads 10 are fixed to the middle soft rubber brush head frame 6 through the two middle soft elastic plastic transmission shafts 3, the two brush heads 10 are easily inserted into the two sides of the teeth and tightly wrap the teeth, the teeth slits can be cleaned more easily, the teeth with different sizes are suitable for use, the two ends of the double-head electric toothbrush are fixed, the motor is arranged in the brush handle body 1, and compared with the double-head electric toothbrush with the authorized publication number of CN207721912U, the.

The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention, and various changes and modifications may be made by those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. A dual head electric toothbrush, comprising:

2. The double-ended electric toothbrush according to claim 1, wherein the upper end of the brush holder body is extended with a cylinder having a diameter smaller than that of the brush holder body, the upper end of the cylinder is extended with a plug-in post for the insertion of the transmission shaft, the brush holder is hollow, a plug-in sleeve is fixed in the brush holder, the through hole is a central hole of the plug-in sleeve, the inner side of the brush holder and the cylinder are provided with a plug-in piece and a plug-in port which are relatively fixed in a matching manner, the upper end of the brush holder is provided with a clip post, and the clip post is inserted into the clip hole on the vertical surface of the brush holder body through.

3. The double-ended electric toothbrush according to claim 1 or 2, wherein the transmission shaft is made of a soft-medium plastic material with elasticity, and the head frame is made of a soft-medium rubber.