CN106109042A - A kind of electric toothbrush - Google Patents
A kind of electric toothbrush Download PDFInfo
- Publication number
- CN106109042A CN106109042A CN201610795726.8A CN201610795726A CN106109042A CN 106109042 A CN106109042 A CN 106109042A CN 201610795726 A CN201610795726 A CN 201610795726A CN 106109042 A CN106109042 A CN 106109042A
- Authority
- CN
- China
- Prior art keywords
- sealing member
- rotating shaft
- motor
- transmission connection
- cavity
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
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Classifications
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61C—DENTISTRY; APPARATUS OR METHODS FOR ORAL OR DENTAL HYGIENE
- A61C17/00—Devices for cleaning, polishing, rinsing or drying teeth, teeth cavities or prostheses; Saliva removers; Dental appliances for receiving spittle
- A61C17/16—Power-driven cleaning or polishing devices
- A61C17/22—Power-driven cleaning or polishing devices with brushes, cushions, cups, or the like
- A61C17/24—Power-driven cleaning or polishing devices with brushes, cushions, cups, or the like rotating continuously
- A61C17/26—Power-driven cleaning or polishing devices with brushes, cushions, cups, or the like rotating continuously driven by electric motor
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61C—DENTISTRY; APPARATUS OR METHODS FOR ORAL OR DENTAL HYGIENE
- A61C17/00—Devices for cleaning, polishing, rinsing or drying teeth, teeth cavities or prostheses; Saliva removers; Dental appliances for receiving spittle
- A61C17/16—Power-driven cleaning or polishing devices
- A61C17/22—Power-driven cleaning or polishing devices with brushes, cushions, cups, or the like
- A61C17/225—Handles or details thereof
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- Health & Medical Sciences (AREA)
- Dentistry (AREA)
- Epidemiology (AREA)
- Life Sciences & Earth Sciences (AREA)
- Animal Behavior & Ethology (AREA)
- General Health & Medical Sciences (AREA)
- Public Health (AREA)
- Veterinary Medicine (AREA)
- Brushes (AREA)
Abstract
The invention discloses a kind of electric toothbrush, including handle and brush, motor it is provided with in handle, drive link it is provided with in brush, motor is provided with rotating shaft, and rotating shaft is extended from the housing of motor, is provided with transmission connection piece between drive link and the rotating shaft of motor, the rotating shaft extended spot of housing outer surface is additionally provided with the cylinder seal of twisted rotary shaft, and sealing member extends to transmission connection piece from the surface of described housing；Transmission connection piece is additionally provided with the sealing member sleeve joint hole of socket sealing member towards the end face of rotating shaft, sealing member sleeve joint hole is socketed sealing member from outside, the outer surface of sealing member forms rotary seal with sealing member sleeve joint hole and is connected, and between sealing member and rotating shaft and housing, it is additionally provided with the first cavity, sealing member and sealing member sleeve joint hole enclose filling Seal Oil in the second cavity, the first cavity and the second cavity；Add seal length and the sealing area of sealing member, it is ensured that the sealing effectiveness of sealing member, reduce the friction between sealing member and rotating shaft, transmission connection piece simultaneously.
Description
Technical field
The present invention relates to toothbrush, particularly to a kind of electric toothbrush.
Background technology
Electric toothbrush generally includes handle 1 and brush, is provided with motor 3 in handle 1, is provided with drive link in brush, and motor sets
Having rotating shaft 32, rotating shaft is extended from the housing 31 of motor, is provided with transmission connection piece 4 between the rotating shaft 32 of drive link and motor, passes
The rotating shaft 32 extended from the housing of motor is connected by follower link 4 with drive link, and rotating shaft 32 will be dynamic by transmission connection piece 4
Power passes to drive link, drives drive link motion, thus drives brush to make the motion of cleaning tooth;The rotating shaft of housing 31 outer surface
Extended spot is additionally provided with sealing member 5 ', and the rotating shaft 32 of sealing member 5 ' wound motor is arranged, and is sealed by the housing 31 of motor, prevent water and
Other produced pollution thing of brushing teeth enters the enclosure interior of motor and damages motor 3；In order to improve the effect of sealing, sealing member
Between rotating shaft and housing, also leave cavity 51 ', in cavity 51 ', be filled with Seal Oil so that the sealing effectiveness of sealing member is more preferable.
The shortcoming of prior art is: sealing member is fixed by handle and keeps static sealing to be connected with the housing of motor,
Being in rotary seal between sealing member with rotating shaft to be connected, when brushing teeth, sealing member can be coordinated by the powder of toothpaste with the sealing of rotating shaft
Place produces abrasive action, and long-time use is easily caused leakage, water and other erosion and enters motor from there and cause motor damage.
The information being disclosed in this background section is merely intended to increase the understanding of the general background to the present invention, and should not
When being considered to recognize or imply in any form this information structure prior art well known to persons skilled in the art.
Summary of the invention
It is an object of the invention to provide a kind of electric toothbrush with double containment cavity so that the motor of toothbrush obtains more
Good protection, it is ensured that the work safety of electric toothbrush and working life.
For achieving the above object, the invention provides a kind of electric toothbrush, including handle and brush, in handle, be provided with electricity
Machine, is provided with drive link in brush, motor is provided with rotating shaft, and rotating shaft is extended from the housing of motor, drive link and the rotating shaft of motor
Between be provided with transmission connection piece, transmission connection piece one end is connected with rotating shaft, and the other end is connected with drive link, by power from motor
Pass to drive link, drive drive link motion;The rotating shaft extended spot of described housing outer surface is additionally provided with the sealing member of twisted rotary shaft;
Wherein, sealing member extends to transmission connection piece from the surface of described housing, and sealing member is the Circular Cylindrical Thin Shells body of open at one end, thin
The opening end of housing is towards motor, and the internal diameter of sealing member is more than the diameter of rotating shaft, and rotating shaft passes the axis hole bottom thin walled shell,
Sealing member opening end extends outward sealing flange, and handle inner is provided with the convex tendon towards motor, and convex tendon is connected to sealing flange
On, compressing sealing member abuts with the housing seal of motor, and the gap between sealing member inside and rotating shaft constitutes the first cavity;Transmission
Connector is additionally provided with the sealing member sleeve joint hole of socket sealing member towards the end face of rotating shaft, sealing member sleeve joint hole from outside by sealing member
Cylindrical surface socket, the formation rotary seal of the outer surface of sealing member and sealing member sleeve joint hole is connected；Dentifrice when brushing teeth must
With rotating shaft, sealing member could be produced effect of attrition after must first being worn and torn with sealing member sleeve joint hole by sealing member, this just considerably increases
The reliability sealed and the working life of toothbrush.
In technique scheme, it is further preferred that the cylindrical outer surface ring week of sealing member is provided with seal bead, seal
Convex tendon adds the sealing effectiveness between sealing member and sealing member sleeve joint hole.
In technique scheme, it is further preferred that described seal bead is provided with three roads, it can be ensured that sealing member is with close
Sealing effectiveness between sealing sleeve joint hole.
In technique scheme, it is further preferred that be filled with Seal Oil in described first cavity so that sealing member close
Envelope effect is more preferable, and Seal Oil can also reduce the pivoting friction between rotating shaft and sealing member simultaneously.
In technique scheme, it is further preferred that keep between the bottom surface of the end face of sealing member and sealing member sleeve joint hole
Interval, sealing member end face is outside encloses the second cavity with sealing member sleeve joint hole so that enter the second cavity through sealing member
Dentifrice can not be at short notice to causing abrasion between sealing member and rotating shaft.
In technique scheme, it is further preferred that be filled with Seal Oil in the second cavity, further increase sealing and
Wear-resistant effect, reduces the pivoting friction between transmission connection piece and sealing member simultaneously.
In technique scheme, it is further preferred that the bottom surface of sealing member is the conical structure being convex to transmission connection piece,
Sealing member is made to be difficult to retraction when being inserted in rotating shaft, it is to avoid the dentifrice entered in the second cavity collects around in rotating shaft.
Compared with prior art, the present invention is by extending to transmission connection piece by sealing member from the housing of motor, and is passing
The end face of follower link arranges sealing member sleeve joint hole, adds seal length and the sealing area of sealing member so that motor obtains
Preferably protection, improves job security and the working life of electric toothbrush；By arranging the first cavity and at sealing member
Two cavitys, and filling Seal Oil in cavity, it is ensured that the sealing effectiveness of sealing member, reduce sealing member and rotating shaft, biography simultaneously
Friction between follower link.
Accompanying drawing explanation
Fig. 1 is the schematic diagram of a kind of electric toothbrush of prior art；
Fig. 2 is the schematic diagram (biopsy cavity marker devices) of a kind of electric toothbrush of the present invention；
Fig. 3 is the cut-away illustration of a kind of electric toothbrush of the present invention；
Fig. 4 is the partial enlarged drawing I of Fig. 3.
Main Reference Numerals illustrates:
1-handle；11-convex tendon；2-brush；3-motor；31-housing；32-rotating shaft；4-transmission connection piece；41-sealing member is socketed
Hole；5-sealing member；51-the first cavity；51 '-cavity；52-the second cavity；53-flange；54-seal bead；6-drive link.
Below in conjunction with the accompanying drawings, the detailed description of the invention of the present invention is described in detail, it is to be understood that the guarantor of the present invention
Scope of protecting is not limited by detailed description of the invention.
Explicitly indicating that unless otherwise other, otherwise in entire disclosure and claims, term " includes " or it becomes
Change and such as " comprising " or " including " etc. will be understood to comprise stated element or ingredient, and do not get rid of other yuan
Part or other ingredient.
A kind of electric toothbrush as shown in Figure 2,3, 4, including handle 1 and brush 2, is provided with motor 3, sets in brush 2 in handle
Having drive link 6, motor 3 to be provided with rotating shaft 32, rotating shaft 32 is extended from the housing 31 of motor 3, drive link 6 and the rotating shaft 32 of motor
Between be provided with transmission connection piece 4, transmission connection piece 4 one end is connected with rotating shaft 32, and the other end is connected with drive link 6, by power
Pass to drive link 6 from motor 3, drive drive link 4 to move;Rotating shaft 32 extended spot of described housing 31 outer surface is additionally provided with cincture
The sealing member 5 of rotating shaft;Sealing member 5 extends to transmission connection piece 4 from the surface of the housing 31 of described motor, and sealing member 5 is one end
The Circular Cylindrical Thin Shells body opened wide, the opening end of thin walled shell is towards motor 3, and the internal diameter of sealing member 5 is more than the diameter of rotating shaft 32, rotating shaft
Passing 32 axis holes bottom thin walled shell, sealing member 5 opening end extends outward sealing flange 53, handle inner be provided with towards
The convex tendon 11 of motor, convex tendon 11 is connected on sealing flange 53, and compressing sealing member 5 seals against with the housing 31 of motor, seals
Gap between part 5 inside and rotating shaft 32 constitutes the first cavity 51;It is close that transmission connection piece 4 is additionally provided with socket towards the end face of rotating shaft
The sealing member sleeve joint hole 41 of sealing, sealing member sleeve joint hole 41 is socketed from outside by the cylindrical surface of sealing member 5, sealing member 5
Outer surface forms rotary seal with sealing member sleeve joint hole 41 and is connected.
The most as shown in Figure 4, it is provided with seal bead 54, seal bead the cylindrical outer surface ring week of sealing member 5, seals
Convex tendon 54 is provided with three roads, it can be ensured that the sealing effectiveness between sealing member and sealing member sleeve joint hole.
The most as shown in Figure 4, it is filled with Seal Oil in the first cavity 51.
The most as shown in Figure 4, interval, sealing member are kept between end face and the bottom surface of sealing member sleeve joint hole 41 of sealing member
End face is outside encloses the second cavity 52 with sealing member sleeve joint hole 41, is filled with Seal Oil, improves further in the second cavity 52
Seal and wear-resistant effect, reduce the pivoting friction between transmission connection piece and sealing member simultaneously.
The most as shown in Figure 4, the bottom surface of sealing member 5 is the conical structure being convex to transmission connection piece so that sealing member
Retraction it is difficult to, it is to avoid the dentifrice entered in the second cavity collects around in rotating shaft when being inserted in rotating shaft.
The present invention is by extending to transmission connection piece by sealing member from the housing of motor, and sets at the end face of transmission connection piece
Put sealing member sleeve joint hole, add seal length and the sealing area of sealing member so that motor is preferably protected, and improves
The job security of electric toothbrush and working life；By arranging the first cavity and the second cavity at sealing member, and in cavity
Filling Seal Oil, it is ensured that the sealing effectiveness of sealing member, reduces rubbing between sealing member and rotating shaft, transmission connection piece simultaneously
Wipe.
The aforementioned description to the specific illustrative embodiment of the present invention illustrates that and the purpose of illustration.These describe
It is not wishing to limit the invention to disclosed precise forms, and it will be apparent that according to above-mentioned teaching, can much change
And change.The purpose selected exemplary embodiment and describe is to explain that the certain principles of the present invention and reality thereof should
With so that those skilled in the art be capable of and utilize the present invention various different exemplary and
Various different selections and change.The scope of the present invention is intended to be limited by claims and equivalents thereof.
Claims (7)
1. an electric toothbrush, including handle and brush, is provided with motor, is provided with drive link in brush in handle, motor is provided with and turns
Axle, rotating shaft is extended from the housing of motor, is provided with transmission connection piece, transmission connection piece one between drive link and the rotating shaft of motor
End is connected with rotating shaft, and the other end is connected with drive link, and the rotating shaft extended spot of described housing outer surface is additionally provided with twisted rotary shaft
Sealing member;It is characterized in that, sealing member extends to transmission connection piece from the outer surface of the housing of described motor, and sealing member is one end
The Circular Cylindrical Thin Shells body opened wide, the opening end of thin walled shell is towards motor, and the internal diameter of sealing member is more than the diameter of rotating shaft, and rotating shaft is from thin
Passing in the axis hole of housing bottom, sealing member opening end extends outward sealing flange, and it is convex that handle inner is provided with towards motor
Muscle, convex tendon is connected on sealing flange, and compressing sealing member abuts with the housing seal of motor, between sealing member inside and rotating shaft
Gap constitutes the first cavity；Transmission connection piece is additionally provided with the sealing member sleeve joint hole of socket sealing member towards the end face of rotating shaft, seals
Part sleeve joint hole is socketed from outside by the cylindrical surface of sealing member, and it is close that the outer surface of sealing member and sealing member sleeve joint hole form rotation
Envelope connects.
Electric toothbrush the most according to claim 1, it is characterised in that the cylindrical outer surface ring week of described sealing member sets
There is seal bead.
Electric toothbrush the most according to claim 2, it is characterised in that described seal bead is provided with three roads.
Electric toothbrush the most according to claim 1 and 2, it is characterised in that be filled with Seal Oil in the first described cavity.
Electric toothbrush the most according to claim 4, it is characterised in that the end face of described sealing member and sealing member sleeve joint hole
Bottom surface between keep interval, sealing member end face is outside encloses the second cavity with sealing member sleeve joint hole.
Electric toothbrush the most according to claim 5, it is characterised in that be filled with Seal Oil in the second described cavity.
Electric toothbrush the most according to claim 6, it is characterised in that the bottom surface of described sealing member is for being convex to be in transmission connection
The conical structure of part.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610795726.8A CN106109042B (en) | 2016-08-31 | 2016-08-31 | A kind of electric toothbrush |
| US15/690,825 US10617501B2 (en) | 2016-08-31 | 2017-08-30 | Electric toothbrush |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610795726.8A CN106109042B (en) | 2016-08-31 | 2016-08-31 | A kind of electric toothbrush |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106109042A true CN106109042A (en) | 2016-11-16 |
| CN106109042B CN106109042B (en) | 2018-02-27 |
Family
ID=57271466
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610795726.8A Active CN106109042B (en) | 2016-08-31 | 2016-08-31 | A kind of electric toothbrush |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106109042B (en) |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CH642830A5 (en) * | 1981-08-10 | 1984-05-15 | Lpa Les Produits Associes | Body-care apparatus |
| US5504961A (en) * | 1994-08-16 | 1996-04-09 | Yang; C. S. | Electric toothbrush with drive release |
| CN101642387A (en) * | 2008-01-29 | 2010-02-10 | 黄拔梓 | Waterproof device for electronic toothbrush |
| CN102871758A (en) * | 2012-10-19 | 2013-01-16 | 李长鹏 | Electric toothbrush |
| CN105943178A (en) * | 2016-06-06 | 2016-09-21 | 宁波澳乐比口腔护理用品有限公司 | Electric toothbrush |
| CN206342557U (en) * | 2016-08-31 | 2017-07-21 | 宁波澳乐比口腔护理用品有限公司 | A kind of electric toothbrush |
-
2016
- 2016-08-31 CN CN201610795726.8A patent/CN106109042B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CH642830A5 (en) * | 1981-08-10 | 1984-05-15 | Lpa Les Produits Associes | Body-care apparatus |
| US5504961A (en) * | 1994-08-16 | 1996-04-09 | Yang; C. S. | Electric toothbrush with drive release |
| CN101642387A (en) * | 2008-01-29 | 2010-02-10 | 黄拔梓 | Waterproof device for electronic toothbrush |
| CN102871758A (en) * | 2012-10-19 | 2013-01-16 | 李长鹏 | Electric toothbrush |
| CN105943178A (en) * | 2016-06-06 | 2016-09-21 | 宁波澳乐比口腔护理用品有限公司 | Electric toothbrush |
| CN206342557U (en) * | 2016-08-31 | 2017-07-21 | 宁波澳乐比口腔护理用品有限公司 | A kind of electric toothbrush |
Also Published As
| Publication number | Publication date |
|---|---|
| CN106109042B (en) | 2018-02-27 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| EE01 | Entry into force of recordation of patent licensing contract |
Application publication date: 20161116 Assignee: NINGBO TAOBO ELECTRICAL APPLIANCE Co.,Ltd. Assignor: NINGBO AOLBEA ORAL CARE PRODUCTS Co.,Ltd. Contract record no.: X2021330000755 Denomination of invention: An electric toothbrush Granted publication date: 20180227 License type: Common License Record date: 20211117 |
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| EE01 | Entry into force of recordation of patent licensing contract |