CN218498998U - Electric toothbrush linear motor - Google Patents
Electric toothbrush linear motor Download PDFInfo
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- CN218498998U CN218498998U CN202222587507.4U CN202222587507U CN218498998U CN 218498998 U CN218498998 U CN 218498998U CN 202222587507 U CN202222587507 U CN 202222587507U CN 218498998 U CN218498998 U CN 218498998U
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- electric toothbrush
- electromagnetic
- linear motor
- electromagnet
- mounting seat
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Abstract
The utility model discloses an electric toothbrush linear electric motor, an electric toothbrush linear electric motor of which, it includes the kinetoplast that an at least electromagnetism module and an activity set up, and the kinetoplast dress has inserted the drive shaft, and an electromagnetism module disposes a solenoid and an electro-magnet, and solenoid intermittent type nature is got after the electricity and is produced the induction field of pulse formula and be used for producing the absorption kinetoplast, and the electro-magnet is used for strengthening induction field's intensity. The utility model discloses an electromagnetic coil produces the induction magnetic field that is used for the actuation kinetoplast, makes the kinetoplast vibrate to drive the vibration that the axis direction was realized to the drive shaft, thereby realize that electric toothbrush linear vibration from top to bottom brushes teeth, its mechanical structure is simple, and the practicality is high, and low in production cost, and, the electro-magnet through addding is used for strengthening induction magnetic field's intensity, further drives the stability of shaft vibration.
Description
Technical Field
The utility model belongs to the technical field of the linear electric motor technique suitable for electric toothbrush and specifically relates to an electric toothbrush linear electric motor is related to.
Background
The movement modes of the brush head of the electric toothbrush generally comprise two modes, one mode is that the brush head performs rotary motion, and the other mode is that the brush head vibrates linearly at high frequency.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing an electric toothbrush linear electric motor, adopting simple mechanical structure to realize the mode of brush head linear vibration, simplifying the toothbrush structure, reduction in production cost exists not enough to prior art.
In order to realize the purpose, the utility model discloses the technical scheme who adopts is: a linear motor of an electric toothbrush comprises at least one electromagnetic module and a movable body, wherein a driving shaft is inserted into the movable body, the electromagnetic module is provided with an electromagnetic coil and an electromagnet, the electromagnetic coil generates a pulse type induced magnetic field for adsorbing the movable body after being intermittently electrified, and the electromagnet is used for strengthening the intensity of the induced magnetic field.
In a further technical scheme, the number of the electromagnetic modules is two, the two electromagnetic modules are arranged in an up-down symmetrical mode, the mover is movably arranged between the two electromagnetic modules, and the upper end and the lower end of the driving shaft respectively penetrate through the two electromagnetic modules.
In a further technical scheme, the electromagnetic coils of the two electromagnetic modules are electrified in turn to generate induction magnetic fields at two ends of the moving body in turn or the electromagnetic coils of the two electromagnetic modules are electrified simultaneously to generate induction magnetic fields with the same magnetism at two ends of the moving body.
In a further technical scheme, the elastic element is a return spring piece.
In a further technical scheme, a plurality of second grooves which are arranged at intervals are formed in the outer wall body of each electromagnet mounting seat along the circumferential direction of the outer wall body, and the electromagnets are accommodated in the second grooves.
In a further technical scheme, the electromagnet is formed by stacking a plurality of silicon steel sheets.
In a further technical scheme, the moving body is a permanent magnet.
In a further technical scheme, a bearing part is arranged on one side, away from the moving body, of each electromagnet mounting seat, each bearing part is provided with a shaft limiting hole, and the upper end and the lower end of the driving shaft respectively and movably penetrate through the two shaft limiting holes.
In a further technical scheme, the bearing part is a linear bearing.
Preferably, in order to achieve the above objects, the present invention further provides an electric toothbrush, which comprises a toothbrush head and the electric toothbrush linear motor, wherein the electric toothbrush linear motor drives the toothbrush head to vibrate vertically via a driving shaft.
After the structure is adopted, compared with the prior art, the utility model the advantage that has is:
the utility model discloses an electromagnetic coil produces the induction magnetic field that is used for the actuation kinetoplast, makes the kinetoplast vibrate to drive the vibration that the axis direction was realized to the drive shaft, thereby realize that electric toothbrush linear vibration from top to bottom brushes teeth, its mechanical structure is simple, and the practicality is high, and low in production cost, and, the electro-magnet through addding is used for strengthening induction magnetic field's intensity, further drives the stability of shaft vibration.
Drawings
The present invention will be further explained with reference to the drawings and examples.
Fig. 1 is a schematic perspective view of the electric toothbrush linear motor of the present invention.
Fig. 2 is a schematic sectional view of the linear motor of the electric toothbrush of the present invention.
Fig. 3 is a schematic structural view of the electric toothbrush equipped with the linear motor of the electric toothbrush of the present invention.
Fig. 4 is a schematic view of the working principle of the two states a and b when the two electromagnetic modules of the present invention work simultaneously.
Fig. 5 is an exploded perspective view of the electromagnet mounting seat and the bearing portion according to the present invention.
Fig. 6 is a schematic view of the working principle of the upper electromagnetic module of the present invention in two states, i.e., c and d, which works when the upper electromagnetic module is powered on in turn.
Fig. 7 is a schematic view of the working principle of the electromagnetic modules of the present invention in two states, e and f, when they are powered by electricity in turn.
Fig. 8 is a schematic diagram of the working principle of the present invention only having two states of g and h for the upper electromagnetic module to work.
Fig. 9 is a schematic view of the working principle of i and j states of the lower electromagnetic module.
Reference numerals: 1-electromagnetic module, 2-moving body, 3-toothbrush head, 10-electromagnet, 11-electromagnetic coil, 12-elastic element, 20-driving shaft, 100-first groove, 101-second groove, 102-bearing part and 1000-electromagnet mounting seat.
Detailed Description
The following are only preferred embodiments of the present invention, and the protection scope of the present invention is not limited thereby.
As shown in fig. 1 to 9, the present invention provides a method for achieving the above object, the present invention adopts the following technical solutions: a linear motor of an electric toothbrush comprises at least one electromagnetic module 1 and a movable body 2, wherein the movable body 2 is movably arranged, a driving shaft 20 is inserted into the movable body 2, the electromagnetic module 1 is provided with an electromagnetic coil 11 and an electromagnet 10, the electromagnetic coil 11 generates a pulse type induced magnetic field for adsorbing the movable body 2 after being intermittently electrified, and the electromagnet 10 is used for strengthening the intensity of the induced magnetic field.
Preferably, the number of the electromagnetic modules 1 is two, the two electromagnetic modules 1 are arranged in an up-down symmetrical manner, the mover 2 is movably arranged between the two electromagnetic modules 1, and the upper end and the lower end of the driving shaft 20 respectively penetrate through the two electromagnetic modules 1.
In a further technical scheme, the electromagnetic coils 11 of the two electromagnetic modules 1 are electrified in turn to generate induction fields at two ends of the moving body 2 in turn or the electromagnetic coils 11 of the two electromagnetic modules 1 are electrified simultaneously to generate induction fields with the same magnetism at two ends of the moving body 2.
In practical application, the electromagnetic coils 11 of the upper and lower electromagnetic modules 1 are powered alternately, so that inductive magnetic fields for adsorbing the movable body 2 are generated at two ends of the movable body 2 alternately, or the electromagnetic coils 11 of the upper and lower electromagnetic modules 1 are powered simultaneously, inductive magnetic fields with the same magnetism are generated at the movable body 2, the sliding movable body 2 drives the driving shaft 20 to vibrate up and down, and the strength of the inductive magnetic field generated by the electromagnetic coil 11 is strengthened after the corresponding electromagnetic coil 11 is powered. The utility model discloses a two sets of solenoid 11 of longitudinal symmetry setting produce the induction magnetic field that is used for actuation kinetoplast 2, make kinetoplast 2 vibrate to drive shaft 20 and realize the vibration of axis direction, thereby realize that electric toothbrush linear vibration from top to bottom brushes teeth, such simple structure, the practicality is high, and low in production cost.
Preferably, each of the electromagnetic modules 1 further includes an electromagnet mounting base 1000, the electromagnet mounting base 1000 is an insulating plastic part, and the electromagnet 10 is mounted on the electromagnet mounting base 1000.
Preferably, each electromagnet mounting seat 1000 has a first groove 100 on one side close to moving body 2, elastic elements 12 are disposed in first groove 100, two elastic elements 12 are disposed up and down symmetrically and are used for driving moving body 2 to reset alternately, elastic elements 12 can enable moving body 2 to reset smoothly and assist moving body 2 to vibrate up and down to a certain extent.
Specifically, the elastic element 12 is a return spring member.
Specifically, a plurality of second grooves 101 arranged at intervals are formed in the outer wall of each electromagnet mounting seat 1000 along the circumferential direction, the electromagnet 10 is arranged in the second groove 101, and generally, the electromagnet 10 is formed by stacking a plurality of silicon steel sheets.
Specifically, each electromagnet mounting seat 1000 has a bearing portion 102 on a side away from mover 2, each bearing portion 102 has a shaft limiting hole (not shown), bearing portion 102 may be a linear bearing or a simple sleeve, and upper and lower ends of driving shaft 20 respectively movably penetrate through the two shaft limiting holes.
Specifically, the number of turns of the electromagnetic coils 11 of the two electromagnetic modules 1 is equal.
Preferably, the mover 2 is a permanent magnet ring, the upper and lower ends of the permanent magnet ring are divided into an N pole and an S pole, and the upper and lower electromagnets 10 switch the N pole or the S pole simultaneously, so that the mover 2 is driven to perform high-frequency reciprocating linear motion between the upper and lower electromagnets 10.
The utility model also provides an electric toothbrush, it includes toothbrush head 3 and above-mentioned electric toothbrush linear electric motor, and this electric toothbrush linear electric motor drives toothbrush head 3 linear vibration from top to bottom via drive shaft 20. Generally, the electric toothbrush is further provided with a current module for alternately inputting an alternating current to the two electromagnetic coils 11.
The above description is only for the preferred embodiment of the present invention, and for those skilled in the art, there are variations on the detailed description and the application scope according to the idea of the present invention, and the content of the description should not be construed as a limitation to the present invention.
Claims (10)
1. An electric toothbrush linear motor, its characterized in that: the electromagnetic device comprises at least one electromagnetic module (1) and a movable body (2), wherein a driving shaft (20) is inserted into the movable body (2), the electromagnetic module (1) is provided with an electromagnetic coil (11) and an electromagnet (10), the electromagnetic coil (11) generates a pulse type induced magnetic field for adsorbing the movable body (2) after being intermittently electrified, and the electromagnet (10) is used for strengthening the intensity of the induced magnetic field.
2. An electric toothbrush linear motor as claimed in claim 1, wherein: the number of the electromagnetic modules (1) is two, the two electromagnetic modules (1) are arranged in an up-down symmetrical mode, the mover (2) is movably arranged between the two electromagnetic modules (1), and the upper end and the lower end of the driving shaft (20) penetrate through the two electromagnetic modules (1) respectively.
3. An electric toothbrush linear motor as claimed in claim 2, wherein: the electromagnetic coils (11) of the two electromagnetic modules (1) are electrified in turn to generate induction magnetic fields at two ends of the moving body (2) in turn, or the electromagnetic coils (11) of the two electromagnetic modules (1) are electrified simultaneously to generate induction magnetic fields with the same magnetism at two ends of the moving body (2).
4. An electric toothbrush linear motor according to claim 1, characterized in that: the electromagnetic module (1) further comprises an electromagnet mounting seat (1000), the electromagnet mounting seat (1000) is an insulating plastic part, and the electromagnet (10) is installed on the electromagnet mounting seat (1000).
5. An electric toothbrush linear motor according to claim 4, characterized in that: one side of each electromagnet mounting seat (1000) close to the moving body (2) is provided with a first groove (100), an elastic element (12) is arranged in each first groove (100), and the two elastic elements (12) are arranged up and down symmetrically and are used for driving the moving body (2) to reset in turn.
6. An electric toothbrush linear motor as claimed in claim 4, wherein: a plurality of second grooves (101) arranged at intervals are formed in the outer wall body of each electromagnet mounting seat (1000) along the circumferential direction of the outer wall body, and the electromagnets (10) are accommodated in the second grooves (101).
7. An electric toothbrush linear motor according to claim 1, characterized in that: the electromagnet (10) is formed by stacking a plurality of silicon steel sheets.
8. An electric toothbrush linear motor as claimed in claim 4, wherein: and a bearing part (102) is arranged on one side of each electromagnet mounting seat (1000) far away from the moving body (2), each bearing part (102) is provided with a shaft limiting hole, and the upper end and the lower end of the driving shaft (20) respectively movably penetrate through the two shaft limiting holes.
9. An electric toothbrush linear motor as claimed in claim 8, wherein: the bearing portion (102) is a linear bearing.
10. An electric toothbrush characterized by: comprises a toothbrush head (3) and an electric toothbrush linear motor according to any one of claims 1 to 9, wherein the electric toothbrush linear motor drives the toothbrush head (3) to vibrate up and down linearly through a driving shaft (20).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222587507.4U CN218498998U (en) | 2022-09-28 | 2022-09-28 | Electric toothbrush linear motor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222587507.4U CN218498998U (en) | 2022-09-28 | 2022-09-28 | Electric toothbrush linear motor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN218498998U true CN218498998U (en) | 2023-02-17 |
Family
ID=85192701
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202222587507.4U Active CN218498998U (en) | 2022-09-28 | 2022-09-28 | Electric toothbrush linear motor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN218498998U (en) |
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2022
- 2022-09-28 CN CN202222587507.4U patent/CN218498998U/en active Active
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