CN215019486U

CN215019486U - Double-bristle module electric toothbrush

Info

Publication number: CN215019486U
Application number: CN202120404579.3U
Authority: CN
Inventors: 陈泉仲
Original assignee: Hi P Shanghai Household Appliances Products Co ltd
Current assignee: Hi P Shanghai Household Appliances Products Co ltd
Priority date: 2021-02-24
Filing date: 2021-02-24
Publication date: 2021-12-07
Anticipated expiration: 2031-02-24

Abstract

The utility model relates to a personal cleaning appliance technical field is a two brush hair module electric toothbrush particularly, include: a toothbrush head; a first bristle module; a second bristle module; a first link; one end of the second connecting rod is connected with the first connecting rod and the first brushing module, and the other end of the second connecting rod is connected with the second brushing module; when the first connecting rod moves along the longitudinal axis, the first brushing module can be driven to rotate and the second brushing module can be driven to swing along the vertical direction of the longitudinal axis. The toothbrush head of the utility model combines the rotary brush head and the swing brush head, which not only can clean the food residue on the surface of the dental crown, but also can clean the food residue and soft dirt below the gum, which is also helpful for better protecting the gum; the transmission structure does not adopt a guide rail form, so that the influence of poor matching of the guide rail on the brush head is avoided; simultaneously, toothbrush head main part adopts integrated into one piece to make, reduces the equipment process, has promoted the pleasing to the eye degree of part cooperation precision and appearance.

Description

Double-bristle module electric toothbrush

Technical Field

The utility model relates to a personal cleaning appliance technical field is a two brush hair module electric toothbrush particularly.

Background

At present, among the present electric toothbrush, the slidingtype motion of brush hair adopts upper and lower guide rail or left and right sides guide rail to realize usually, has soaked the toothpaste liquid in the toothbrush head after, in the toothpaste liquid enters into the guide rail easily, leads to the problem that slides badly or can't slide very easily after using the solidification of toothpaste liquid.

For example, the electric massage toothbrush and the dual-function electric toothbrush disclosed in chinese patent publication No. CN1452947A are configured such that a brush head is driven to move up and down by rotation of a cam mechanism, and when a user holds the toothbrush, the brush head moves horizontally.

Meanwhile, the existing toothbrush head main body generally comprises two structures which are symmetrical up and down, and a complete toothbrush head is formed by ultrasonic welding, so that the assembling process is complex, special ultrasonic welding equipment needs to be purchased, the investment cost is increased, and the appearance attractiveness is influenced by the ultrasonic welding part.

Disclosure of Invention

An object of the utility model is to solve the not enough of prior art, provide a two brush hair module electric toothbrush, realize better tooth cleaning effect.

In order to achieve the above object, there is provided a dual bristle module electric toothbrush comprising: a toothbrush head, said toothbrush head having a longitudinal axis; the first bristle module is rotationally connected with the toothbrush head; the second bristle module is rotationally connected with the toothbrush head; a first link capable of being driven by a motor to reciprocate along a longitudinal axis; one end of the second connecting rod is connected with the first connecting rod and the first brushing module, and the other end of the second connecting rod is connected with the second brushing module; when the first connecting rod reciprocates along the longitudinal axis, the first bristle module can be driven to rotate and the second bristle module can be driven to reciprocate along the vertical direction of the longitudinal axis by the second connecting rod.

The utility model discloses still have following preferred technical scheme:

the toothbrush head comprises a toothbrush head body and a toothbrush head cover which are integrally formed.

The first bristle module is rotationally connected with the brush head cover through a fixed shaft.

The brush head cover is detachably connected with the brush head body in a matching way.

The dorsal part middle part of first brush hair module be equipped with the axle sleeve, axle sleeve and the fixed axle in the toothbrush head cooperate and be connected in order to realize the rotation between toothbrush head and the first brush hair module.

The second brush hair module be equipped with fixed the knot, the toothbrush head in correspond to fixed knot be equipped with cooperation portion.

The toothbrush head in the fixed knot be far from one side of cooperation portion mutually and still be equipped with the fixed pin, the toothbrush head in the bilateral symmetry be equipped with location portion for right the fixed pin cooperate the location.

The front ends of the bristle heads of the second bristle module and the first bristle module, which are close to each other, are in an arc shape matched with the bristle heads of the first bristle module.

The toothbrush is characterized in that a supporting part is arranged at the rear end edge of the first connecting rod, a step part is arranged in the toothbrush head corresponding to the supporting part, and a spring is arranged between the supporting part and the step part.

The toothbrush head in still be equipped with the card, the card on be equipped with first connecting rod adaptive arc recess for right first connecting rod carry on spacingly.

Beneficial effects of the utility model

The utility model provides a pair of brush module electric toothbrush's advantage includes but not limited to: the toothbrush head of the utility model combines the rotary brush head and the swing brush head, compared with the existing horizontal brush type toothbrush, the toothbrush head can better meet the use requirement of the pasteurization tooth brushing method, not only can brush food residues on the surface of the dental crown clean, but also can clean the food residues and soft dirt below the gum, and is also beneficial to better protecting the gum; the transmission structure of the swing type brush head does not adopt a guide rail form, so that the influence on the brush head caused by poor matching of the guide rail is avoided; simultaneously, toothbrush head main part adopts integrated into one piece to make, reduces the equipment process, has promoted the pleasing to the eye degree of part cooperation precision and appearance.

Drawings

Fig. 1 shows an exemplary exploded view of the present invention.

Fig. 2 shows an exemplary cross-sectional view of the invention.

Fig. 3 schematically shows the movement direction and position in the working state of the present invention.

Fig. 4 shows schematically the movement direction and position of two bristle modules in the operating state of the invention.

In the figure: 1. the toothbrush head 2, the decorative ring 3, the first bristle module 4, the second bristle module 401, the fixing buckle 5, the shaft sleeve 6, the spring 7, the second connecting rod 8, the first bolt 9, the fixing pin 10, the first connecting rod 101, the first connecting rod elastic arm 102, the abutting part 103, the step part 11, the second bolt 12, the clamping piece 13, the brush head cover fixing pin 14, the fixing shaft 15, the brush head cover 1501, the positioning part 1502 and the buckle.

Detailed Description

This embodiment provides a two brush hair module electric toothbrush, mainly includes toothbrush head 1, first brush hair module 3, second brush hair module 4, first connecting rod 10, second connecting rod 7 and is used for connecting the coupling assembling etc. of each part, wherein, toothbrush head 1 has longitudinal axis, longitudinal axis be located the middle part of toothbrush head and extend along the length direction of toothbrush head, first brush hair module 3 and second brush hair module 4 rotate with the toothbrush head respectively and link to each other, first connecting rod 10 receive motor drive when toothbrush head 1's longitudinal axis reciprocating motion, can drive in step first brush hair module 3 is rotatory and drive second brush hair module 4 along the vertical direction swing of longitudinal axis to realize good effect of brushing teeth. Hereinafter, the main components will be further described by way of example with reference to the accompanying drawings.

Referring to fig. 1 and fig. 2, the front end of the toothbrush head 1 is provided with a brush head part, the brush head part is a connection position of the brush hair module, the first brush hair module 3 and the second brush hair module 4 are arranged, the rear end of the toothbrush head 1 is a connection position of the toothbrush handle, the toothbrush handle is internally provided with a motor for driving the first connecting rod 10, and in a preferred embodiment, in order to ensure the beauty of the connection position, the connection position of the toothbrush handle is sleeved with a decorative ring 2.

In the toothbrush head 1, preferably, the middle position of the toothbrush head 1, the first connecting rod 10 is arranged along the axial direction of the toothbrush head 1, the front end of the first connecting rod 10 is provided with a first connecting rod elastic arm 101 for connecting and driving the first bristle module 3 and the second bristle module 4, the rear end of the first connecting rod 10 is connected with a driving part, and the first connecting rod 10 can move back and forth along the longitudinal axis direction of the toothbrush head 1 under the driving of the driving part. In a preferred embodiment, a supporting part 102 is formed at the rear end of the first link 10 along the circumferential direction, a step part 103 is arranged at the front side of the supporting part 102 in the toothbrush head 1, and a spring 6 is arranged between the supporting part 102 and the step part 103 so as to realize the return of the first link 10. In a further preferred embodiment, a clamping piece 12 is further arranged in the brush head part, and an arc-shaped groove adapted to the first connecting rod 10 is arranged on the clamping piece 12 for limiting the first connecting rod 10.

The brush head on be equipped with the spread groove to connect gradually by preceding to back first brush hair module 3 and second brush hair module 4, wherein, first brush hair module 3 including rotatory brush hair head, second brush hair module 4 including oscillating brush hair head, rotatory brush hair head and oscillating brush hair overhead be connected with respectively the brush hair, first brush hair module 3's brush hair head preferably be circular, second brush hair module 4's brush hair head with the first brush hair module 3 near the front end be with the brush hair head of first brush hair module 3 adapted arc shape, in order to prevent two brush hair module when moving block each other.

The middle part of the back side of the rotating brush head of the first brush module 3 is provided with a shaft sleeve 5, so that the brush head part is rotatably connected with the first brush module 3 through a fixed shaft 14. And the front end of the second connecting rod 7 is fixedly connected with the rotating bristle head and the front end of the first connecting rod elastic arm 101 through a second bolt 11, and the connecting part of the rotating bristle head and the first connecting rod elastic arm 101 is not positioned at the position of the middle part of the rotating bristle head corresponding to the fixed shaft 14, for example, the first connecting rod elastic arm 101 gradually extends rightwards from back to front and is connected with the right back side of the rotating bristle head, so that when the first connecting rod 10 moves along the axial direction, the rotating bristle head can be driven to rotate by taking the fixed shaft 14 as the central shaft.

The second bristle module 4 is disposed at the rear side of the first bristle module 3, and the oscillating bristle head is fixed to the rear end of the second connecting rod 7 by the first pin 8, so that when the first connecting rod 10 moves axially, the second connecting rod 7 can drive the pasteur bristle head to oscillate in the vertical direction of the first connecting rod 10, that is, as shown in fig. 3, the upper end of the second bristle module 4 can oscillate in the left-right direction, thereby approaching the bristle oscillating direction required by the pasteur toothbrushing method. In a preferred embodiment, the rear end of the lower side of the pasteur brush hair head of the second bristle module 4 is provided with a fixing buckle 401, the toothbrush head 1 is internally provided with a matching part corresponding to the fixing buckle 401, and the fixing buckle 401 can abut against the matching part to realize the positioning between the pasteur brush hair head and the toothbrush head 1. Further, a fixing pin 9 is further disposed on one side of the fixing buckle 401, which is far away from the matching portion, so as to limit the fixing buckle 401 on the other side. Still further, the inside of the head portion of the toothbrush head 1 is symmetrically provided with positioning portions 1501 for positioning the fixing pins 9.

In a preferred embodiment, the toothbrush head 1 comprises an integrally formed toothbrush head body and a toothbrush head cover 15, the toothbrush head body is provided with a connecting groove to be connected with the first bristle module 3 and the second bristle module 4 in a matching way, the front end of the first connecting rod 10 is positioned in the inner cavity of the toothbrush head body, the back side of the toothbrush head body is provided with an opening, and the toothbrush head cover 15 is detachably matched with the toothbrush head body to close the opening on the back side of the toothbrush head body. For example, the rear end of the brush head cover 15 is provided with a buckle 1502, the buckle 1502 can be matched with the inner side of the inner wall of the brush head body, and the front end of the brush head cover 15 is connected with the brush head body through a brush head cover fixing pin 13. In addition, in one embodiment, the brush head cover 15 and the first bristle module 3 are cooperatively connected through the fixed shaft 14, so that the first bristle module 3 is rotatably connected to the brush head body while the brush head cover 15 is positioned.

Example 1

This embodiment illustrates the method of assembling the dual bristle module electric toothbrush, also shown in fig. 1 and 2, comprising the following steps:

the method comprises the following steps: the decoration ring 2 is assembled to the toothbrush head 1.

Step two: the shaft sleeve is pressed into the first bristle module 3, the first bristle module 3 and the second bristle module 4 are assembled on the toothbrush head 1 respectively, and the second bristle module 4 and the toothbrush head 1 are positioned by the fixing buckle 401.

Step three: assemble the dead pin 9 to toothbrush head 1 to the realization will be to the fixed of second brush hair module 4, and fix a position dead pin 9 through location portion 1501 that bilateral symmetry set up in toothbrush head 1.

Step four: the second link 7 is assembled to the first and

second bristle modules

3 and 4 and fixed by the first pin 8.

Step five: after the spring 6 is assembled to the rear end of the first link 10, the first link 10 is assembled into the toothbrush head 1.

Step six: fix first connecting rod 10 and second connecting rod 7, rotatory brush hair module 3 integratively through second bolt 11, then assemble the card 12 in toothbrush head 1 and carry out the stroke spacing to first connecting rod 10.

Step seven: the brush head cover 15 is assembled on the toothbrush head 1 through the buckling position 1502 at one end, and then the brush head cover 15 is firmly fixed with the toothbrush head 1 through the brush head cover fixing pin 13.

Step eight: the other end of the brush head cover 15 is firmly fixed with the brush head 1 by rotating the brush module fixing shaft 14.

Step nine: finally, the whole assembled toothbrush head 1 is assembled to the toothbrush main body.

Example 2

When in use, referring to fig. 3 and 4, fig. 3 is a schematic view of the toothbrush head 1 after the brush head cover 15 is removed from the back side direction, fig. 4 is a schematic view of the toothbrush head 1 from the front side direction, the toothbrush head 11 in the figures is sequentially in the first position, the second position and the third position, the motion flow of the second position, the third position, the second position, the first position and the second position is exemplified in the embodiment, and the second position is used as the initial position, the first connecting rod 10 moves downwards under the driving of the driving mechanism, so as to drive the first bristle module 3 to rotate clockwise, and drive the second bristle module 4 to swing leftwards, so as to reach the third position; then, the first connecting rod 10 moves upwards under the driving of the driving mechanism, so as to drive the first brushing module 3 to rotate anticlockwise and drive the second brushing module 4 to swing rightwards to the middle, so as to return to the second position; then, the first connecting rod 10 continues to move upwards under the driving of the driving mechanism, so as to drive the first brushing module 3 to continue to rotate anticlockwise and drive the second brushing module 4 to continue to swing rightwards and reach a first position; then, the first connecting rod 10 moves downwards under the driving of the driving mechanism, so as to drive the first brushing module 3 to rotate clockwise, and drive the second brushing module 4 to swing leftwards, so as to return to the second position. The reciprocating circulation can realize the tooth brushing action, and because the swing direction of the second brushing module 4 is the left and right direction in the figures 3 and 4, the tooth brushing way can more effectively eliminate the dental plaque and soft dirt and keep the gum appearance normal.

The above, only for the concrete implementation of this utility model, but the scope of protection of this utility model is not limited to this, and any person skilled in this technical field is in the technical scope of this utility model discloses, according to the technical scheme of this utility model and novel design add in equal replacement or change, all should be covered in the scope of protection of this utility model.

Claims

1. A kind of pair of brush die sets electric toothbrush, characterized by comprising:

a toothbrush head, said toothbrush head having a longitudinal axis;

the first bristle module is rotationally connected with the toothbrush head;

the second bristle module is rotationally connected with the toothbrush head;

a first link capable of being driven by a motor to reciprocate along a longitudinal axis;

one end of the second connecting rod is connected with the first connecting rod and the first brushing module, and the other end of the second connecting rod is connected with the second brushing module;

when the first connecting rod reciprocates along the longitudinal axis, the first bristle module can be driven to rotate and the second bristle module can be driven to reciprocate along the vertical direction of the longitudinal axis by the second connecting rod.

2. The dual bristle module electric toothbrush of claim 1, wherein the toothbrush head includes an integrally formed head body and head cover.

3. The dual bristle module electric toothbrush of claim 2, wherein the first bristle module is rotatably connected to the head cover by a stationary shaft.

4. The dual bristle module electric toothbrush of claim 2, wherein the head cover is removably coupled to the head body.

5. The dual bristle module powered toothbrush of any one of claims 1-4, wherein a bushing is provided in the middle of the back side of the first bristle module, the bushing cooperating with a stationary shaft in the toothbrush head to effect a rotational connection between the toothbrush head and the first bristle module.

6. The dual bristle module electric toothbrush of any one of claims 1-4, wherein the second bristle module has a retaining buckle, and the toothbrush head has a fitting portion therein corresponding to the retaining buckle.

7. The dual-bristle-module electric toothbrush according to claim 6, wherein the toothbrush head further comprises a fixing pin at a side of the fixing buckle far from the engaging portion, and the toothbrush head further comprises positioning portions arranged in left and right symmetry for engaging and positioning the fixing pin.

8. The dual bristle module electric toothbrush of any one of claims 1-4, wherein the bristle head of the first bristle module is circular, and the bristle head of the second bristle module is curved in a line shape corresponding to the bristle head of the first bristle module at a front end thereof adjacent to the first bristle module.

9. The dual bristle module electric toothbrush of any one of claims 1-4, wherein the rear end edge of the first link has a holding portion, a step portion is provided in the toothbrush head corresponding to the holding portion, and a spring is provided between the holding portion and the step portion.

10. The dual bristle module powered toothbrush of any one of claims 1-4, wherein a retaining plate is further provided in the toothbrush head, the retaining plate having an arcuate groove adapted to the first link for limiting the first link.