CN214805609U - Electric toothbrush output shaft moving mechanism and electric toothbrush thereof - Google Patents
Electric toothbrush output shaft moving mechanism and electric toothbrush thereof Download PDFInfo
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- CN214805609U CN214805609U CN202120172565.3U CN202120172565U CN214805609U CN 214805609 U CN214805609 U CN 214805609U CN 202120172565 U CN202120172565 U CN 202120172565U CN 214805609 U CN214805609 U CN 214805609U
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- toothbrush
- driving motor
- torsion bar
- electric toothbrush
- moving mechanism
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Abstract
The utility model belongs to the technical field of toothbrushes, in particular to an electric toothbrush output shaft moving mechanism and an electric toothbrush thereof, which comprises a driving motor, a torsion bar, an axial operating part and a toothbrush bar, wherein the axial operating part is connected with the driving motor, the torsion bar is sleeved on a main shaft of the driving motor, one end of the torsion bar, which is far away from the driving motor, is provided with a limiting surface, and the limiting surface extends to the end part of the torsion bar; the toothbrush rod is movably sleeved on the torsion bar, and the inner side of the toothbrush rod is provided with a flat part matched with the limiting surface; the end of the toothbrush rod far away from the flat part is provided with a cam groove, and one end of the axial operating piece is provided with a guide piece extending into the cam groove. The main shaft of the driving motor drives the torsion bar to swing left and right, and the toothbrush rod moves axially and radially under the swing of the torsion bar; the cam groove on the toothbrush rod generates axial displacement due to left-right swinging, and finally the toothbrush rod is driven to move back and forth along the axial direction; thus, the effect of cleaning the oral cavity and the teeth more efficiently is achieved.
Description
Technical Field
The utility model belongs to the technical field of the toothbrush, especially, relate to an electric toothbrush output shaft moving mechanism and electric toothbrush thereof.
Background
With the increasing demand for quality of life, daily oral care becomes more and more sophisticated, and many people choose to use electric toothbrushes instead of ordinary toothbrushes. The electric toothbrush can more thoroughly remove dental plaque, reduce gingivitis and gingival bleeding, and has obvious oral care effect; the electric toothbrush can make the brush head generate high-frequency vibration through the quick rotation or vibration of the motor core, instantly decompose toothpaste into fine foam to deeply clean teeth gaps, and meanwhile, the vibration of the brush hair can promote the blood circulation of the oral cavity and has a massage effect on gum tissues. The existing vibrating type electric toothbrush is internally provided with a driving motor and a rotating shaft, the driving motor is connected with the rotating shaft through an eccentric wheel, the driving motor rotates to drive the eccentric wheel to rotate, the rotating shaft vibrates by utilizing eccentric motion, and the other end of the rotating shaft is connected with a brush head, so that the high-frequency swinging effect of the brush head of the electric toothbrush is achieved, but the existing driving motor cannot drive the rotating shaft to move back and forth along the axial direction and swing left and right along the radial direction, and thus, the oral cavity cannot be cleaned efficiently.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide an electric toothbrush output shaft moving mechanism and electric toothbrush thereof aims at solving the unable pivot that drives among the prior art and along radial horizontal hunting simultaneously along the axial back-and-forth movement, leads to the technical problem in unable clean oral cavity high-efficiently.
In order to achieve the above object, an embodiment of the present invention provides an output shaft moving mechanism of an electric toothbrush, which includes a driving motor, a torsion bar, an axial operating member and a toothbrush bar, wherein the axial operating member is connected to the driving motor and is located at the same side of a main shaft of the driving motor, a through hole is provided on the axial operating member, the torsion bar passes through the through hole and is sleeved on the main shaft of the driving motor, one end of the torsion bar, which is far away from the driving motor, is provided with a limiting surface, and the limiting surface extends to an end of the torsion bar; the toothbrush rod is movably sleeved on the torsion bar, and a flat part matched with the limiting surface is arranged on the inner side of the toothbrush rod; the toothbrush is characterized in that one end of the toothbrush rod, which is far away from the flat part, is provided with a cam groove, and one end of the axial operating piece is provided with a guide piece extending into the cam groove.
Optionally, the axial operation spare includes bottom plate and extension, the through-hole is located the central point of bottom plate puts, the bottom plate with driving motor connects, the extension is located perpendicularly on the bottom plate and with driving motor's main shaft homonymy, the guide is located on the extension, just the guide stretches into in the cam groove.
Optionally, the guide is a bearing.
Optionally, the cross-sectional area of the extension portion gradually decreases from one end of the extension portion connected to the base plate to the other end of the extension portion.
Optionally, a threaded hole is formed in the driving motor, a round hole opposite to the threaded hole is formed in the bottom plate, and a screw penetrates through the round hole and is in threaded connection with the threaded hole.
Optionally, the length of the cam groove is less than one-half of the circumference of the toothbrush rod.
Optionally, the torsion bar is in interference fit with a main shaft of the drive motor.
Optionally, the torsion bar is a clearance fit with the toothbrush bar.
The embodiment of the utility model provides an above-mentioned one or more technical scheme in the electronic toothbrush output shaft moving mechanism have one of following technological effect at least: the aperture of the through hole of the electric toothbrush output shaft moving mechanism is larger than the diameter of the torsion bar, the toothbrush bar is sleeved outside the torsion bar, the torsion bar extends into the through hole, and the toothbrush bar is arranged outside the through hole, so that the through hole is ensured not to interfere with the swing of the toothbrush bar; when the toothbrush is used, the driving motor is started, the main shaft of the driving motor swings left and right along the shaft core to drive the torsion bar to swing left and right, the torsion bar bears the torque generated by the main shaft of the driving motor, the toothbrush rod is movably sleeved outside the torsion bar, the flat part is limited in the limiting surface, and the limiting surface extends to the end part of the torsion bar along the length direction of the torsion bar, so that the toothbrush rod can axially and radially move under the swinging of the torsion bar; the tail end of the toothbrush rod is provided with a cam groove, a guide piece arranged on the axial operating piece extends into the cam groove, and the cam groove on the toothbrush rod generates axial displacement due to left-right swinging, so that the toothbrush rod is finally promoted to move back and forth along the axial direction; thus, the effect of cleaning the oral cavity and the teeth more efficiently is achieved.
Another embodiment of the present invention provides an electric toothbrush, which comprises the above-mentioned electric toothbrush output shaft moving mechanism.
The embodiment of the utility model provides an above-mentioned technical scheme in the electric toothbrush has one of following technological effect at least: the electric toothbrush of the embodiment of the utility model can reach the more efficient effect of cleaning the oral cavity and the teeth by using the electric toothbrush output shaft moving mechanism.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings required for the embodiments or the prior art descriptions will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings without inventive labor.
Fig. 1 is a schematic structural view of an output shaft moving mechanism of an electric toothbrush according to an embodiment of the present invention.
Fig. 2 is an exploded schematic view of the moving mechanism of the output shaft of the electric toothbrush according to the embodiment of the present invention.
Wherein, in the figures, the respective reference numerals:
10-driving motor 11-threaded hole 20-torsion bar
21-limiting surface 30-axial operation part 31-through hole
32-base plate 33-extension 34-guide
35-round hole 40-toothbrush rod 41-cam groove
50-screw.
Detailed Description
Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to fig. 1-2 are exemplary and intended to be used to illustrate embodiments of the present invention, and should not be construed as limiting the invention.
In the description of the embodiments of the present invention, it should be understood that the terms "length," "width," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like are used in the orientation or positional relationship indicated in the drawings, which is only for convenience in describing the embodiments of the present invention and simplifying the description, and do not indicate or imply that the device or element so indicated must have a particular orientation, be constructed and operated in a particular orientation, and therefore should not be construed as limiting the invention.
Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the embodiments of the present invention, "a plurality" means two or more unless specifically limited otherwise.
In the embodiments of the present invention, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "fixed" are to be construed broadly, e.g., as fixed or detachable connections or as an integral part; can be mechanically or electrically connected; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meaning of the above terms in the embodiments of the present invention can be understood by those skilled in the art according to specific situations.
In an embodiment of the present invention, as shown in fig. 1-2, an output shaft moving mechanism of an electric toothbrush is provided, which includes a driving motor 10, a torsion bar 20, an axial operation member 30 and a toothbrush rod 40, wherein the axial operation member 30 is connected to the driving motor 10 and is located at the same side of a main shaft of the driving motor 10, a through hole 31 is provided on the axial operation member 30, the torsion bar 20 passes through the through hole 31 and is sleeved on the main shaft of the driving motor 10, a limiting surface 21 is provided at an end of the torsion bar 20 away from the driving motor 10, and the limiting surface 21 extends to an end of the torsion bar 20; the toothbrush rod 40 is movably sleeved on the torsion bar 20, and a flat part matched with the limiting surface 21 is arranged on the inner side of the toothbrush rod 40; the end of the toothbrush rod 40 remote from the flat portion is provided with a cam groove 41, and the end of the axial operating member 30 is provided with a guide member 34 extending into the cam groove 41.
Specifically, in the output shaft moving mechanism of the electric toothbrush of the present invention, the aperture of the through hole 31 is larger than the diameter of the torsion bar 20, the toothbrush rod 40 is sleeved outside the torsion bar 20, the torsion bar 20 extends into the through hole 31, and the toothbrush rod 40 is arranged outside the through hole 31, so as to ensure that the through hole 31 does not interfere with the swing of the toothbrush rod 40; when the toothbrush is used, the driving motor 10 is started, the main shaft of the driving motor 10 swings left and right along the shaft core to drive the torsion bar 20 to swing left and right, the torsion bar 20 bears the torque generated by the main shaft of the driving motor 10, the toothbrush rod 40 is movably sleeved outside the torsion bar 20, the flat part is limited in the limiting surface 21, and the limiting surface 21 extends to the end part of the torsion bar 20 along the length direction of the torsion bar 20, so that the toothbrush rod 40 can move axially and radially under the swing of the torsion bar 20; the tail end of the toothbrush rod 40 is provided with a cam groove 41, the guide piece 34 arranged on the axial operation piece 30 extends into the cam groove 41, the cam groove 41 on the toothbrush rod 40 is axially displaced due to the left-right swing, and finally the toothbrush rod 40 is driven to move back and forth along the axial direction; thus, the effect of cleaning the oral cavity and the teeth more efficiently is achieved.
In this embodiment, as shown in fig. 1 to 2, the axial operation member 30 includes a bottom plate 32 and an extension 33, the through hole 31 is disposed at a central position of the bottom plate 32, the bottom plate 32 is connected to the driving motor 10, the extension 33 is vertically disposed on the bottom plate 32 and is located at the same side as a main shaft of the driving motor 10, the guide 34 is disposed on the extension 33, and the guide 34 extends into the cam groove 41. Specifically, the base plate 32 is fixed on the driving motor 10, the extension portion 33 is perpendicular to the base plate 32 and located beside the through hole 31, the base plate 32 and the extension portion 33 are integrally formed, and the main shaft of the driving motor 10 penetrates through the through hole 31; the shaft guide 34 is rotatably coupled to the extension part 33, and the guide 34 is provided at a side of the extension part 33 adjacent to the brush bar 40, the guide 34 is inserted into the cam groove 41, and when the cam groove 41 is axially displaced by left and right swinging, the bearing 34 is contacted with a side wall of the cam groove 41 and rotated, thus finally causing the brush bar 40 to move forward and backward in the axial direction.
In the present embodiment, as shown in fig. 1-2, the guide 34 is a bearing. In particular, the guide 34 is preferably a bearing.
In the present embodiment, as shown in fig. 1 to 2, the cross-sectional area of the extension portion 33 gradually decreases from one end of the extension portion 33 connected to the base plate 32 to the other end of the extension portion 33. Specifically, the height and width of the extension 33 gradually decrease from one end of the extension 33 connected to the base plate 32 to the other end of the extension 33.
In this embodiment, as shown in fig. 1 to 2, the driving motor 10 is provided with a threaded hole 11, the bottom plate 32 is provided with a circular hole 35 opposite to the threaded hole 11, and a screw 50 passes through the circular hole 35 and is in threaded connection with the threaded hole 11. In particular, the fixed connection of the base plate 32 to the drive motor 10 is realized by means of a screw 50, ensuring the stability of the axial operating member 30.
In this embodiment, as shown in FIGS. 1 to 2, the length of the cam groove 41 is less than one-half of the circumference of the toothbrush rod 40. Specifically, the swing amplitude of the toothbrush bar 40 is small, and the length of the cam groove 41 is less than one-half of the circumference of the toothbrush bar 40, ensuring that the toothbrush bar 40 moves back and forth in the axial direction.
In the present embodiment, as shown in fig. 1 to 2, the torsion bar 20 is interference-fitted to the main shaft of the driving motor 10. Specifically, the interference fit between the torsion bar 20 and the main shaft of the driving motor 10 ensures that the main shaft of the driving motor 10 drives the torsion bar 20 to swing.
In this embodiment, as shown in fig. 1-2, the torsion bar 20 is in clearance fit with the toothbrush bar 40. Specifically, by the torque rod 20 being in clearance fit with the toothbrush bar 40, the inverted toothbrush bar 40 can move axially forward and backward while swinging along with the torque rod 20.
In another embodiment of the present invention, as shown in fig. 1-2, an electric toothbrush is provided, which comprises the above-mentioned electric toothbrush output shaft moving mechanism.
Specifically, the electric toothbrush of the embodiment of the present invention can achieve more efficient oral cavity and tooth cleaning effect by using the above-mentioned electric toothbrush output shaft moving mechanism.
The above description is only exemplary of the present invention and should not be taken as limiting the scope of the present invention, as any modifications, equivalents, improvements and the like made within the spirit and principles of the present invention are intended to be included within the scope of the present invention.
Claims (9)
1. An electric toothbrush output shaft moving mechanism which is characterized in that: the toothbrush comprises a driving motor, a torsion bar, an axial operating piece and a toothbrush rod, wherein the axial operating piece is connected with the driving motor and is arranged at the same side of a main shaft of the driving motor; the toothbrush rod is movably sleeved on the torsion bar, and a flat part matched with the limiting surface is arranged on the inner side of the toothbrush rod; the toothbrush is characterized in that one end of the toothbrush rod, which is far away from the flat part, is provided with a cam groove, and one end of the axial operating piece is provided with a guide piece extending into the cam groove.
2. The electric toothbrush output shaft moving mechanism according to claim 1, characterized in that: the axial operating piece includes bottom plate and extension, the through-hole is located the central point of bottom plate puts, the bottom plate with driving motor connects, the extension is located perpendicularly on the bottom plate and with driving motor's main shaft homonymy, the guide is located on the extension, just the guide stretches into in the cam groove.
3. The electric toothbrush output shaft moving mechanism according to claim 2, characterized in that: the guide is a bearing.
4. The electric toothbrush output shaft moving mechanism according to claim 2, characterized in that: the cross-sectional area of the extension part is gradually reduced from one end of the extension part connected with the bottom plate to the other end of the extension part.
5. The electric toothbrush output shaft moving mechanism according to claim 2, characterized in that: the driving motor is provided with a threaded hole, the bottom plate is provided with a round hole opposite to the threaded hole, and a screw penetrates through the round hole and is in threaded connection with the threaded hole.
6. The electric toothbrush output shaft moving mechanism according to any one of claims 1 to 5, characterized in that: the length of the cam groove is less than one-half of the circumference of the toothbrush rod.
7. The electric toothbrush output shaft moving mechanism according to any one of claims 1 to 5, characterized in that: the torsion bar is in interference fit with a main shaft of the driving motor.
8. The electric toothbrush output shaft moving mechanism according to any one of claims 1 to 4, characterized in that: the torsion bar is in clearance fit with the toothbrush rod.
9. An electric toothbrush characterized by: an electric toothbrush output shaft moving mechanism according to any one of claims 1 to 8.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120172565.3U CN214805609U (en) | 2021-01-21 | 2021-01-21 | Electric toothbrush output shaft moving mechanism and electric toothbrush thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120172565.3U CN214805609U (en) | 2021-01-21 | 2021-01-21 | Electric toothbrush output shaft moving mechanism and electric toothbrush thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214805609U true CN214805609U (en) | 2021-11-23 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202120172565.3U Active CN214805609U (en) | 2021-01-21 | 2021-01-21 | Electric toothbrush output shaft moving mechanism and electric toothbrush thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN214805609U (en) |
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2021
- 2021-01-21 CN CN202120172565.3U patent/CN214805609U/en active Active
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Address after: 523000, 7 building, 5 Industrial Zone, No. 3, Jun FA Road, Peng Wu Village, Dong Keng Town, Dongguan, Guangdong. Patentee after: Guangdong Tianfu Motor Technology Co.,Ltd. Address before: 523000, 7 building, 5 Industrial Zone, No. 3, Jun FA Road, Peng Wu Village, Dong Keng Town, Dongguan, Guangdong. Patentee before: DONGGUAN TIANFU MOTOR TECHNOLOGY Co.,Ltd. |