CN113303937A - an electric toothbrush - Google Patents
an electric toothbrush Download PDFInfo
- Publication number
- CN113303937A CN113303937A CN202110644792.6A CN202110644792A CN113303937A CN 113303937 A CN113303937 A CN 113303937A CN 202110644792 A CN202110644792 A CN 202110644792A CN 113303937 A CN113303937 A CN 113303937A
- Authority
- CN
- China
- Prior art keywords
- eccentric
- toothbrush head
- sleeve
- connecting seat
- swing rod
- 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.)
- Withdrawn
Links
- 230000005540 biological transmission Effects 0.000 claims description 22
- 238000003780 insertion Methods 0.000 claims description 11
- 230000037431 insertion Effects 0.000 claims description 11
- 238000004140 cleaning Methods 0.000 abstract description 5
- 230000000694 effects Effects 0.000 abstract description 5
- 210000003128 head Anatomy 0.000 description 46
- 210000004209 hair Anatomy 0.000 description 12
- 238000009434 installation Methods 0.000 description 4
- 238000010276 construction Methods 0.000 description 2
- 230000001788 irregular Effects 0.000 description 2
- 210000000214 mouth Anatomy 0.000 description 2
- 230000010355 oscillation Effects 0.000 description 2
- 206010018276 Gingival bleeding Diseases 0.000 description 1
- 238000005299 abrasion Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 210000003298 dental enamel Anatomy 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 208000011759 gum bleeding Diseases 0.000 description 1
- 210000003205 muscle Anatomy 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 230000001360 synchronised effect Effects 0.000 description 1
Images
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
- A61C17/32—Power-driven cleaning or polishing devices with brushes, cushions, cups, or the like reciprocating or oscillating
- A61C17/34—Power-driven cleaning or polishing devices with brushes, cushions, cups, or the like reciprocating or oscillating driven by electric motor
- A61C17/3409—Power-driven cleaning or polishing devices with brushes, cushions, cups, or the like reciprocating or oscillating driven by electric motor characterized by the movement of the brush body
- A61C17/3481—Vibrating brush body, e.g. by using eccentric weights
Landscapes
- 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
本发明涉及一种电动牙刷，包括柄体和牙刷头组件，牙刷头组件包括连接座和牙刷头，所述连接座安装在柄体上，所述牙刷头上设置有若干个刷毛体，所述柄体上设置有驱动牙刷头往复摆动的驱动机构，所述驱动机构包括电机装置和摆动杆，摆动杆的中部转动设置在连接座内，摆动杆的一端与电机装置的输出轴连接，摆动杆的另一端与牙刷头连接，电机装置的输出轴带动摆动杆的一端往复摆动，从而带动与摆动杆的另一端连接的牙刷头向两侧往复摆动。采用上述方案，其能实现牙刷头往复摆动，牙齿的清洁效果更佳。
The invention relates to an electric toothbrush, comprising a handle body and a toothbrush head assembly, the toothbrush head assembly includes a connecting seat and a toothbrush head, the connecting seat is mounted on the handle body, the toothbrush head is provided with several bristle bodies, the The handle body is provided with a drive mechanism for driving the toothbrush head to swing back and forth. The drive mechanism includes a motor device and a swing rod. The middle part of the swing rod is rotatably arranged in the connecting seat, and one end of the swing rod is connected with the output shaft of the motor device. The swing rod The other end is connected with the toothbrush head, and the output shaft of the motor device drives one end of the swing rod to swing back and forth, thereby driving the toothbrush head connected to the other end of the swing rod to swing back and forth on both sides. With the above solution, the toothbrush head can be oscillated back and forth, and the cleaning effect of the teeth is better.
Description
Technical Field
The invention relates to the technical field of toothbrushes, in particular to an electric toothbrush.
Background
In daily life, a toothbrush is used for cleaning the oral cavity in order to clean the oral cavity, but a manual toothbrush usually cannot clean teeth cleanly, and the gum bleeding and the enamel abrasion are caused by the non-specification of manual operation force and action. Electric toothbrush has appeared on the market now, and it includes the handle body and toothbrush head, and the internal motor core's of handle fast rotation or vibrations drive the toothbrush head and produce high frequency vibration, and the vibration transmission brushes teeth on to the brush hair of toothbrush head. However, the toothbrush head can only vibrate irregularly, and can not brush the surface of the teeth in a reciprocating way like a common toothbrush, and the cleaning effect of the teeth is poor.
Disclosure of Invention
The invention overcomes the defects of the prior art and provides the electric toothbrush which can realize the reciprocating swing of the toothbrush head and has better tooth cleaning effect.
In order to achieve the purpose, the invention adopts the technical scheme that: the utility model provides an electric toothbrush, includes the handle body and toothbrush head subassembly, and toothbrush head subassembly includes connecting seat and toothbrush head, the connecting seat is installed on the handle body, the overhead a plurality of brush hair body that is provided with of toothbrush, be provided with the drive mechanism of the reciprocal swing of drive toothbrush head on the handle body, drive mechanism includes motor device and swinging arms, and the middle part of swinging arms is rotated and is set up in the connecting seat, the one end of swinging arms and the output shaft of motor device, and the other end and the toothbrush head of swinging arms are connected, and the output shaft of motor device drives the reciprocal swing of one end of swinging arms to the toothbrush head that the other end that drives and the swinging arms is connected is to the reciprocal swing of.
By adopting the above scheme, the brush hair body comprises a plurality of brush hair, the brush hair does not need to be perpendicular to the brush hair body installation surface, can also incline certain angle setting, and the size of the brush hair can be different, and the position of setting can be irregular, the motor device can have the speed reducing function by itself, also can comprise a motor and a speed reducing structure, thereby reducing the rotating speed of an output shaft, the middle part of a swinging rod is rotatably arranged in the handle body, the middle part is not limited in the middle of the swinging rod, the part between the two ends of the swinging rod can be the middle part, the output shaft of the motor device drives one end of the swinging rod to swing in a reciprocating way, according to the lever principle, the other end of the swinging rod drives the brush head to swing in a reciprocating way towards the two sides, when the brush hair is in contact with the surfaces of teeth, the brush head drives the brush hair body to swing in a reciprocating way along the surfaces of the teeth, the cleaning effect of the teeth is better, certainly, the connecting seat can be arranged integrally or separately with the handle body, the toothbrush head can be replaced independently, or the connecting seat and the toothbrush head can be replaced.
The invention further provides that: the driving mechanism further comprises an eccentric sleeve, the eccentric sleeve is rotatably arranged on the connecting seat or the handle body, an output shaft of the motor device drives the eccentric sleeve to rotate, and the eccentric sleeve drives one end of the oscillating rod to oscillate back and forth through an eccentric structure.
By adopting the scheme, the output shaft of the motor device indirectly drives the swing rod to swing through the transmission sleeve, so that the connecting seat and the handle body are convenient to disassemble and assemble in a split manner.
The invention further provides that: the eccentric cover is arranged along the length direction of the handle body, the eccentric structure comprises an eccentric shaft arranged on the eccentric cover, the eccentric shaft is arranged by deviating from the central shaft of the eccentric cover, a placing groove for the eccentric shaft to be inserted is formed in one end of the oscillating rod, the eccentric cover drives the eccentric shaft to do eccentric motion, and the eccentric shaft abuts against the side wall of the placing groove to drive one end of the oscillating rod to swing in a reciprocating mode.
Through adopting above-mentioned scheme, eccentric cover drives the eccentric shaft and is eccentric motion, thereby the eccentric shaft supports and leans on the lateral wall of standing groove to drive the tip of swinging arms reciprocal swing in certain angle, simple structure, reasonable in design.
The invention further provides that: the middle position of the swing rod is fixed or is integrally provided with a rotating block, the connecting seat is provided with a rotating cavity matched with the shape of the rotating block, and the connecting seat is provided with a limiting structure for limiting the swing rod to move along the length direction of the handle body.
Through adopting above-mentioned scheme, when the assembly, insert the swinging arms in the connecting seat for the turning block of swinging arms packs into the rotation intracavity of connecting seat, and so under limit structure's effect, the swinging arms can only swing, can not remove along the length direction of handle body, simple structure, convenient assembling.
The invention further provides that: the connecting seat is fixedly or integrally provided with a bottom plate on one side of the toothbrush head departing from the bristle body, the width of the bottom plate is larger than that of the toothbrush head, and the toothbrush head is provided with a convex rib on one side close to the bottom plate, and the convex rib is abutted to the bottom plate.
Through adopting above-mentioned scheme, the width of bottom plate is greater than the width of toothbrush head, and the bottom plate is motionless for the toothbrush head, can prevent that toothbrush head both sides wall and tooth contact on the swing direction, protection tooth, the setting of protruding muscle, the reciprocal wobbling frictional force of reducible toothbrush head.
The invention further provides that: the electric motor device is fixedly arranged in the handle body, an output shaft of the electric motor device is arranged along the length direction of the handle body, the output shaft of the electric motor device is connected with the eccentric sleeve through the transmission sleeve, the transmission sleeve is rotatably arranged on the handle body, the transmission sleeve and the output shaft of the electric motor device are arranged along the same central shaft, the transmission sleeve is synchronously rotatably arranged on the output shaft of the electric motor device, the eccentric sleeve is arranged on the connecting seat through the positioning sleeve, the positioning sleeve is positioned on the connecting seat, the eccentric sleeve is rotatably arranged on the positioning sleeve, and the transmission sleeve is in circumferential linkage with the eccentric sleeve.
Through adopting above-mentioned scheme, the installation space has been saved to the output shaft setting along same center pin of transmission cover and motor device, and the transmission cover is convenient with motor device's output shaft, and the position sleeve can prevent that eccentric cover from breaking away from the connecting seat, and eccentric cover and transmission cover realize both circumference linkage connection through the mode of pegging graft, easy dismounting, the transmission is stable, simple structure, reasonable in design.
The invention further provides that: the toothbrush head is provided with a plug-in part, the connecting seat is provided with a plug cavity for the plug-in part to be plugged in, the plug-in part can swing to be arranged in the plug cavity, the end part of the swing rod is provided with a first connecting head, and the plug-in part is provided with a first connecting cavity for the first connecting head to be tightly plugged in.
By adopting the scheme, the toothbrush head is convenient to replace, the structure is simple, and the installation is convenient.
The invention further provides that: the toothbrush head is provided with the arc terminal surface in the terminal surface department of being close to the connecting seat, and the arc terminal surface can shelter from and insert the chamber setting.
Through adopting above-mentioned scheme, the arc terminal surface shelters from and inserts the chamber, and is more pleasing to the eye, also can prevent that dirty thing from falling into, simple structure, reasonable in design.
The invention further provides that: the included angle between the two limit positions of the reciprocating swing of the toothbrush head is 1-3 degrees.
By adopting the scheme, the angle interval of the reciprocating swing of the toothbrush head is reasonably selected.
The invention further provides that: the handle body is provided with a second connector, a second connecting cavity for the second connector to be inserted is formed in the connecting seat, a convex block is arranged on the outer side face of the second connector, a stopping groove matched with the convex block in a stopping mode is formed in the inner wall of the second connecting cavity, and an opening is formed in one end of the stopping groove.
By adopting the above scheme, when the connecting seat and the handle body are inserted, the opening and the convex block are firstly aligned, then the convex block is inserted into the opening, the connecting seat is preferably rotated, so that the convex block is rotated into the stopping groove, the connecting seat can be limited to be directly pulled away from the handle body, the structure is simple, and the disassembly and the assembly are convenient.
The invention is further described below with reference to the accompanying drawings.
Drawings
FIG. 1 is a schematic overall structure diagram of an embodiment of the present invention;
FIG. 2 is a schematic cross-sectional view of an embodiment of the present invention;
FIG. 3 is a schematic view of the cooperating structure of the toothbrush head assembly and the handle body;
FIG. 4 is a schematic cross-sectional view of a toothbrush head assembly;
FIG. 5 is a schematic view of the engagement of the drive mechanism with the toothbrush head;
FIG. 6 is a schematic view of the fitting structure of the connecting seat, the positioning sleeve and the eccentric sleeve;
FIG. 7 is a schematic view of the structure of the handle body;
FIG. 8 is a schematic view of the construction of the sway bar;
figure 9 is a schematic view of a toothbrush head construction;
FIG. 10 is a front view of the eccentric sleeve;
FIG. 11 is a schematic view of the reverse structure of the eccentric sleeve;
FIG. 12 is a schematic view of the structure of the driving sleeve;
FIG. 13 is a schematic structural view of the positioning sleeve;
FIG. 14 is a schematic view of the amplitude of oscillation of the toothbrush head;
FIG. 15 is a schematic view of the structure of the base plate;
fig. 16 is a schematic view of the internal structure of the connecting socket.
Detailed Description
As shown in fig. 1-16, an electric toothbrush, including a handle 1 and a toothbrush head assembly, the toothbrush head assembly includes a connecting seat 2 and a toothbrush head 3, the connecting seat 2 is installed on the handle 1, the toothbrush head 3 is provided with a plurality of brush bodies 4, the brush bodies 4 are composed of a plurality of brush hairs, the brush hairs are not necessarily perpendicular to the brush body installation surface 31, and can be inclined at a certain angle, and the sizes of the brush hairs can be different, and the set position can be irregular, the handle 1 is provided with a driving mechanism for driving the toothbrush head 3 to swing reciprocally, the driving mechanism includes a motor device 5 and a swing rod 6, the motor device 5 can have a speed reduction function, and can also include a motor and a speed reduction structure, so as to reduce the rotating speed of the output shaft of the motor device 5, the middle part of the swing rod 6 is rotatably arranged in the connecting seat 2, the middle part is not limited to the middle part of the swing rod 6, the part between the two ends of the swing rod 6 can be the middle part, one end of the swing rod 6 is connected with the output shaft of the motor device 5, the other end of the swing rod 6 is connected with the toothbrush head 3, the output shaft of the motor device 5 drives one end of the swing rod 6 to swing in a reciprocating way, and therefore the toothbrush head 3 connected with the other end of the swing rod 6 is driven to swing in a reciprocating way towards two sides. The direction of the reciprocating swing of the brush head 3 is indicated by a in fig. 14. The swing rod can be of an integrated structure or formed by assembling two parts in a split mode.
In this embodiment, the driving mechanism further includes an eccentric sleeve 7, the eccentric sleeve 7 is rotatably disposed on the connecting seat 2 or the handle body 1, the output shaft of the motor device 5 drives the eccentric sleeve 7 to rotate, and the eccentric sleeve 7 drives the oscillating rod 6 to oscillate back and forth through the eccentric structure. Of course, the output shaft of the motor device 5 can directly drive the swing rod 6 to swing through the eccentric structure.
In this embodiment, the eccentric sleeve 7 is arranged along the length direction of the handle body 1, the eccentric structure comprises an eccentric shaft 71 integrally arranged on the eccentric sleeve 7, the eccentric shaft 71 is arranged deviating from the central axis of the eccentric sleeve 7, a placing groove 61 for the eccentric shaft 71 to be inserted is arranged at one end of the swing rod 6, the eccentric sleeve 7 drives the eccentric shaft 71 to do eccentric motion, and the eccentric shaft 71 abuts against the side wall of the placing groove 61 so as to drive one end of the swing rod 6 to swing back and forth.
In this embodiment, the middle position of the swing lever 6 is fixed or integrally provided with the rotating block 62, the connecting seat 2 is provided with the rotating cavity 21 matched with the shape of the rotating block 62, the connecting seat 2 is provided with the limiting structure for limiting the swing lever 6 to move along the length direction of the handle body 1, the limiting structure comprises the stop block 22 and the abutting surface 23 arranged on the connecting seat 2, and the stop block 22 and the abutting surface 23 are located on two sides of the rotating block 62 in the length direction of the handle body 1. Certainly, the middle position of the swing rod 6 can be integrally or separately provided with a hinged shaft to realize the rotating fit of the swing rod and the connecting seat.
In this embodiment, the connecting seat 2 is provided with the bottom plate 24 on one side of the toothbrush head 3 departing from the bristle body 4, the width of the bottom plate 24 is greater than that of the toothbrush head 3, the toothbrush head 3 is provided with the convex rib 32 on one side close to the bottom plate 24, and the convex rib 32 is abutted to the bottom plate 24.
In this embodiment, the motor device 5 is fixedly disposed in the handle body 1, an output shaft of the motor device 5 is disposed along a length direction of the handle body 1, the output shaft of the motor device 5 is connected with the eccentric sleeve 7 through the transmission sleeve 8, the transmission sleeve 8 is rotatably disposed on the handle body 1, the transmission sleeve 8 and the output shaft of the motor device 5 are disposed along a same central axis, one end of the transmission sleeve 8 is tightly fitted over the output shaft of the motor device 5 to achieve synchronous rotation with the output shaft of the motor device 5, the eccentric sleeve 7 is mounted on the connecting seat 2 through the positioning sleeve 9, the positioning sleeve 9 is fixedly mounted on the connecting seat 2, the eccentric sleeve 7 is rotatably disposed on the positioning sleeve 9, the transmission sleeve 8 is provided with an insert block 81, the eccentric sleeve 7 is provided with an insert slot 72 for the insert block 81 to be inserted, the insert block 81 is inserted in the insert slot 72 to achieve circumferential linkage connection between the transmission sleeve 8 and the eccentric sleeve 7, and the positioning sleeve 9 is provided with a through hole 91 for the insert block 81 to be inserted. Of course, the transmission sleeve can be rotatably arranged on the connecting seat. Of course, the output shaft of the motor device can be directly connected with the eccentric sleeve in a circumferential linkage manner.
In this embodiment, the toothbrush head 3 is provided with the insertion portion 33, the connecting base 2 is provided with the insertion cavity 25 for the insertion of the insertion portion 33, the insertion portion 33 can swing to be arranged in the insertion cavity 25, the end portion of the swing lever 6 is provided with the first connecting head 63, and the insertion portion 33 is provided with the first connecting cavity 34 for the tight fitting of the first connecting head 63.
In this embodiment, the toothbrush head 3 is provided with an arc-shaped end face 35 at the end face close to the connecting seat 2, and the arc-shaped end face 35 can shield the insertion cavity 25.
In this embodiment, the angle B between the two extreme positions of the reciprocal oscillation of the brush head 3 is 1-3 degrees.
In this embodiment, the handle body 1 is provided with the second connector 11, the connecting seat 2 is provided with a second connecting cavity 26 into which the second connector 11 is inserted, the outer side surface of the second connector 11 is provided with the protrusion 12, the inner wall of the second connecting cavity 26 is provided with a stopping groove 27 matched with the protrusion 12 in a stopping manner, and one end of the stopping groove 27 is provided with an opening 28.
The above embodiments are merely preferred embodiments of the present invention, and general changes and substitutions by those skilled in the art within the technical scope of the present invention are included in the protection scope of the present invention.
Claims (10)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110644792.6A CN113303937A (en) | 2021-06-09 | 2021-06-09 | an electric toothbrush |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110644792.6A CN113303937A (en) | 2021-06-09 | 2021-06-09 | an electric toothbrush |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN113303937A true CN113303937A (en) | 2021-08-27 |
Family
ID=77378359
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202110644792.6A Withdrawn CN113303937A (en) | 2021-06-09 | 2021-06-09 | an electric toothbrush |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN113303937A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114404092A (en) * | 2022-01-21 | 2022-04-29 | 温州乐邦电器有限公司 | An oscillating electric toothbrush |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2683063Y (en) * | 2003-12-16 | 2005-03-09 | 龙昌日用品工业（南宁）有限公司 | three-dimensional electric and manual dual-purpose toothbrush |
| CN112263347A (en) * | 2020-11-05 | 2021-01-26 | 温州乐邦光电科技有限公司 | Electric toothbrush |
| CN214967018U (en) * | 2021-06-09 | 2021-12-03 | 温州乐邦电器有限公司 | Electric toothbrush |
-
2021
- 2021-06-09 CN CN202110644792.6A patent/CN113303937A/en not_active Withdrawn
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2683063Y (en) * | 2003-12-16 | 2005-03-09 | 龙昌日用品工业（南宁）有限公司 | three-dimensional electric and manual dual-purpose toothbrush |
| CN112263347A (en) * | 2020-11-05 | 2021-01-26 | 温州乐邦光电科技有限公司 | Electric toothbrush |
| CN214967018U (en) * | 2021-06-09 | 2021-12-03 | 温州乐邦电器有限公司 | Electric toothbrush |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114404092A (en) * | 2022-01-21 | 2022-04-29 | 温州乐邦电器有限公司 | An oscillating electric toothbrush |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| WW01 | Invention patent application withdrawn after publication |
Application publication date: 20210827 |
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| WW01 | Invention patent application withdrawn after publication |