CN214590977U - Transmission mechanism of electric toothbrush - Google Patents
Transmission mechanism of electric toothbrush Download PDFInfo
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- CN214590977U CN214590977U CN202120762872.7U CN202120762872U CN214590977U CN 214590977 U CN214590977 U CN 214590977U CN 202120762872 U CN202120762872 U CN 202120762872U CN 214590977 U CN214590977 U CN 214590977U
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- seat
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- drive
- handle body
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Abstract
The utility model relates to an electric toothbrush's drive mechanism, including the handle body, motor device, transmission seat and eccentric seat, motor device is fixed to be set up at the handle internal, and the transmission seat can be connected with outside toothbrush head, the transmission seat activity sets up on the handle body, and motor device's output shaft can drive the length direction reciprocating motion of transmission seat along the handle body, and eccentric seat rotates and sets up on the handle body to be located one side of transmission seat, motor device's output shaft can drive eccentric seat and rotate, and eccentric seat passes through eccentric structure and drives the reciprocal rotation of transmission seat. Adopt above-mentioned scheme, provide an electric toothbrush's drive mechanism, it realizes multiple motion, not only can be used to drive the toothbrush head activity, can also be used for driving the brush hair body on the toothbrush head and rotate, and is better to the clean effect of tooth, simple structure, reasonable in design.
Description
Technical Field
The utility model belongs to the technical field of the toothbrush technique and specifically relates to an electric toothbrush's drive mechanism.
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 overhead toothbrush that is provided with of toothbrush is provided with the brush hair body, and the internal motor core's of handle fast revolution 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, such a transmission mechanism can only drive the toothbrush head to perform irregular vibration, cannot drive the toothbrush head to perform reciprocating movement or reciprocating rotation, cannot brush the surfaces of the teeth up and down and left and right like a common toothbrush, cannot drive the bristle body on the toothbrush head to independently rotate, and has a single motion mode and poor tooth cleaning effect.
Disclosure of Invention
The utility model overcomes prior art's is not enough, provides an electric toothbrush's drive mechanism, and it realizes multiple motion, not only can be used to drive the toothbrush head activity, can also be used to drive the brush hair body on the toothbrush head and rotate, and is better to the clean effect of tooth, simple structure, reasonable in design.
In order to realize the purpose, the utility model discloses a technical scheme is: the utility model provides an electric toothbrush's drive mechanism, includes the handle body, motor device, transmission seat and eccentric seat, motor device is fixed to be set up at the handle internal, and the transmission seat can be connected with outside toothbrush head, the transmission seat activity sets up on the handle body, and motor device's output shaft can drive the length direction reciprocating motion of transmission seat along the handle body, and eccentric seat rotates and sets up on the handle body to be located one side of transmission seat, motor device's output shaft can drive eccentric seat and rotate, and eccentric seat drives transmission seat reciprocating motion through eccentric structure.
By adopting the scheme, the motor device can have a speed reduction function, and also can comprise a motor and a speed reduction structure, so that the rotating speed of an output shaft is reduced, the output shaft of the motor device rotates to drive the transmission seat to reciprocate along the length direction of the handle body, meanwhile, the output shaft of the motor device drives the eccentric seat to rotate, the eccentric seat can drive the connecting rod to reciprocate in a certain angle through the eccentric structure, the handle body can be connected with the toothbrush head, when the toothbrush head needs to reciprocate and the bristle body on the toothbrush head is fixed, the transmission seat is directly or indirectly linked with the toothbrush head, the transmission seat can not only drive the toothbrush head to reciprocate, but also drive the toothbrush head to reciprocate in a certain angle; when the toothbrush head does not need to be moved, when the brush hair body on the toothbrush head needs to be rotated, the transmission seat accessible outside drive structure is connected with the drive of the brush hair body this moment, and the transmission seat can not only drive the brush hair body on the toothbrush head to rotate, can also drive the brush head in certain angle reciprocating rotation, can realize multiple motion mode, better to the clean effect of tooth, simple structure, reasonable in design.
The utility model discloses a further setting is: still include drive seat and return spring, the drive seat rotates and sets up in the handle, and motor device's output shaft can drive the drive seat and rotate, and the drive seat drives eccentric seat and rotates, and return spring acts on the transmission seat, and the reciprocating motion of drive seat is realized with the return spring cooperation to the drive seat.
Through adopting above-mentioned scheme, motor device's output shaft rotates, can drive the drive seat and rotate, and the drive seat can not only drive transmission seat and can also drive eccentric seat and rotate to the external removal of handle, and return spring drives transmission seat again and removes to the internal removal of handle, accomplishes the operation that resets, and this operation of constantly repeating can realize the reciprocating motion of transmission seat.
The utility model discloses a further setting is: the eccentric structure comprises an eccentric shaft arranged on an eccentric seat and an eccentric block arranged on a transmission seat, the eccentric shaft is arranged off the central shaft of the eccentric seat, a through hole for the eccentric shaft to penetrate is formed in the eccentric block, the eccentric seat drives the eccentric shaft to do eccentric motion, and the eccentric shaft abuts against the side wall of the through hole to drive the transmission seat to rotate in a reciprocating mode.
Through adopting above-mentioned scheme, eccentric seat drives the eccentric shaft and is eccentric motion, thereby the eccentric shaft supports and leans on the lateral wall of through-hole to drive eccentric block reciprocating motion in certain angle, simple structure, reasonable in design.
The utility model discloses a further setting is: the transmission seat and the driving seat are matched in an axial sliding and circumferential rotating manner, one side of the driving seat close to the transmission seat is provided with a protrusion or a groove, the transmission seat corresponding to the protrusion is provided with a groove or a protrusion, and when the protrusion rotates away from the groove, the driving seat drives the transmission seat to move towards the outside of the handle body; when the bulge rotates into the groove, the return spring drives the transmission seat to move towards the handle body.
By adopting the scheme, when the bulge rotates away from the groove, the driving seat can drive the transmission seat to move towards the outside of the handle body; when the protrusion is turned into the groove, the return spring drives the transmission seat to move towards the inside of the handle body, so that the transmission seat can move back and forth, the protrusions and the grooves are arranged in a plurality, the transmission seat can move stably, and the structure is simple and the design is reasonable.
The utility model discloses a further setting is: the end surface of the transmission seat close to the driving seat is provided with a groove, and the driving seat corresponding to the transmission seat is integrally or separately provided with a bulge.
By adopting the scheme, the structure is simple, and the design is reasonable.
The utility model discloses a further setting is: the driving seat is provided with the inserted column or inserts the chamber in one side that is close to the transmission seat, is provided with on the transmission seat that corresponds with it and inserts the chamber or insert the post, inserts the post and inserts and locate to insert the chamber.
Through adopting above-mentioned scheme, be provided with on the drive seat and insert the post, be provided with on the driving seat and supply to insert the post and insert the chamber of inserting of establishing, insert the post and insert and locate to insert the chamber, not only can supply the driving seat to remove, can also supply the driving seat to rotate.
The utility model discloses a further setting is: the transmission seat is connected with a connecting rod in a linkage mode at one end far away from the motor device, the connecting rod extends out of the handle body, the return spring is sleeved outside the connecting rod, one end of the return spring abuts against the transmission seat, and the other end of the return spring abuts against the handle body.
Through adopting above-mentioned scheme, the connecting rod is provided with first rectangle inserted block in the one end that is close to the transmission seat, is provided with first rectangle slot on the transmission seat, and first rectangle inserted block is inserted and is located first rectangle slot and realize that the linkage of connecting rod and transmission seat is connected, simple structure, simple to operate, return spring installation is stable, position reasonable in design.
The utility model discloses a further setting is: the output shaft of the motor device is arranged along the length direction of the handle body, the driving seat is sleeved outside the output shaft of the motor device, a first gear is arranged on the outer side surface of the driving seat, and a second gear meshed with the first gear is arranged on the outer side surface of the eccentric seat.
By adopting the above scheme, the outer cover of drive seat tight fit is in motor device's output shaft, simple to operate, and motor device's position sets up rationally, saves installation space, and motor device's output shaft can drive eccentric seat and rotate together when driving the drive seat pivoted, through gear drive, simple structure, the transmission is stable.
The utility model discloses a further setting is: the handle body is in sealing fit with the connecting rod through a sealing sleeve, and the connecting rod penetrates through the sealing sleeve.
Through adopting above-mentioned scheme, the seal cover can prevent that water from getting into in the handle body from the connecting rod, protects electrical components.
The present invention will be further described 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 view of a matching structure of the motor device, the transmission seat and the eccentric seat;
FIG. 3 is a schematic diagram of the exploded structure of FIG. 2;
FIG. 4 is a schematic structural diagram of a driving seat;
FIG. 5 is a schematic front view of the transmission seat;
FIG. 6 is a schematic view of the reverse side of the transmission seat;
FIG. 7 is a schematic structural view of an eccentric seat;
fig. 8 is a schematic structural view of the connecting rod.
Detailed Description
As shown in fig. 1-8, a transmission mechanism of electric toothbrush, including the handle body 1, motor device 2, transmission seat 3 and eccentric seat 4, motor device 2 is fixed to be set up in the handle body 1, this motor device 41 can be from taking the speed reduction function, also can include motor and speed reduction structure, thereby reduce the rotational speed of motor device 41's output shaft, transmission seat 3 can be connected with outside toothbrush head, transmission seat 3 activity sets up on the handle body 1, motor device 2's output shaft can drive transmission seat 3 along the length direction reciprocating motion of handle body 1, eccentric seat 4 rotates and sets up on the handle body 1, and be located one side of transmission seat 3, motor device 2's output shaft can drive eccentric seat 4 and rotate, eccentric seat 4 drives transmission seat 3 reciprocating motion through eccentric structure.
In this embodiment, still include drive seat 5 and return spring 6, drive seat 5 rotates and sets up in the handle body 1, and motor device 2's output shaft can drive seat 5 and rotate, and drive seat 5 drives eccentric seat 4 and rotates, and return spring 6 acts on transmission seat 3, and drive seat 5 realizes transmission seat 3's reciprocating motion with the cooperation of return spring 6. Of course, the driving seat can also make eccentric motion to directly drive the transmission seat to reciprocate.
In this embodiment, eccentric structure includes that an organic whole sets up eccentric shaft 41 on eccentric seat 4 and an organic whole sets up the eccentric block 31 on the lateral surface of driving seat 3, and eccentric shaft 41 deviates from the center pin setting of eccentric seat 4, is provided with the through-hole 311 that supplies eccentric shaft 41 to wear to establish on the eccentric block 31, and eccentric seat 4 drives eccentric shaft 41 and is eccentric motion, thereby eccentric shaft 41 supports and leans on the lateral wall of through-hole 311 to drive driving seat 3 reciprocating rotation.
In this embodiment, the transmission seat 3 and the driving seat 5 are axially slidably and circumferentially rotationally matched, the driving seat 5 is provided with a protrusion 51 at one side close to the transmission seat 3, the transmission seat 3 corresponding to the protrusion is provided with a groove 32, and when the protrusion 51 rotates away from the groove 32, the driving seat 5 drives the transmission seat 3 to move towards the outside of the handle body 1; when the protrusion 51 rotates into the groove 32, the return spring 6 drives the transmission base 3 to move towards the handle body 1. Of course, the driving seat 5 may be provided with a groove, and the corresponding transmission seat may be provided with a protrusion. The number of the projections and the grooves can be determined according to actual needs.
In this embodiment, the driving seat 5 is provided with an insertion column 52 at a side close to the driving seat 3, the driving seat 3 corresponding thereto is provided with an insertion cavity 33, and the insertion column 52 is inserted into the insertion cavity 33 to realize axial sliding and circumferential rotation matching of the driving seat 5 and the driving seat 3. Of course, the driving seat may be provided with an insertion cavity, and the transmission seat corresponding thereto may be provided with an insertion post.
In this embodiment, transmission seat 3 is connected with connecting rod 7 in the one end linkage of keeping away from motor device 2, connecting rod 7 is provided with first rectangle inserted block 71 in the one end that is close to transmission seat 3, be provided with first rectangle slot 34 on transmission seat 3, first rectangle inserted block 71 is inserted and is located first rectangle slot 34 and realize that connecting rod 7 is connected with the linkage of transmission seat 3, connecting rod 7 stretches out the setting of handle body 1, can be used to connect outside toothbrush head, 6 overcoat of return spring are in connecting rod 7, 6 one end of return spring are supported and are established on transmission seat 3, the other end supports and establishes on handle body 1. Of course, the transmission seat and the connecting rod can be integrally arranged.
In this embodiment, the output shaft of the motor device 2 is arranged along the length direction of the handle body 1, the driving seat 5 is sleeved on the output shaft of the motor device 41, the outer side surface of the driving seat 5 is provided with a first gear 53, and the outer side surface of the eccentric seat 4 is provided with a second gear 42 engaged with the first gear 53.
In this embodiment, the handle body 1 is in sealing fit with the connecting rod 7 through a sealing sleeve 8, and the connecting rod 7 penetrates through the sealing sleeve 8.
The above embodiments are only preferred embodiments of the present invention, and the general changes and substitutions performed 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 (9)
1. A transmission mechanism of an electric toothbrush is characterized in that: including the handle body, motor device, transmission seat and eccentric seat, motor device is fixed to be set up at the handle internal, and the transmission seat can be connected with outside toothbrush head, the transmission seat activity sets up on the handle body, and motor device's output shaft can drive the transmission seat along the length direction reciprocating motion of the handle body, and eccentric seat rotates and sets up on the handle body to be located one side of transmission seat, motor device's output shaft can drive eccentric seat and rotate, and eccentric seat drives transmission seat reciprocating motion through eccentric structure.
2. The drive mechanism for an electric toothbrush of claim 1, wherein: still include drive seat and return spring, the drive seat rotates and sets up in the handle, and motor device's output shaft can drive the drive seat and rotate, and the drive seat drives eccentric seat and rotates, and return spring acts on the transmission seat, and the reciprocating motion of drive seat is realized with the return spring cooperation to the drive seat.
3. The transmission mechanism of an electric toothbrush according to claim 1 or 2, wherein: the eccentric structure comprises an eccentric shaft arranged on an eccentric seat and an eccentric block arranged on a transmission seat, the eccentric shaft is arranged off the central shaft of the eccentric seat, a through hole for the eccentric shaft to penetrate is formed in the eccentric block, the eccentric seat drives the eccentric shaft to do eccentric motion, and the eccentric shaft abuts against the side wall of the through hole to drive the transmission seat to rotate in a reciprocating mode.
4. The drive mechanism for an electric toothbrush of claim 2, wherein: the transmission seat and the driving seat are matched in an axial sliding and circumferential rotating manner, one side of the driving seat close to the transmission seat is provided with a protrusion or a groove, the transmission seat corresponding to the protrusion is provided with a groove or a protrusion, and when the protrusion rotates away from the groove, the driving seat drives the transmission seat to move towards the outside of the handle body; when the bulge rotates into the groove, the return spring drives the transmission seat to move towards the handle body.
5. The transmission mechanism of an electric toothbrush according to claim 4, wherein: the end surface of the transmission seat close to the driving seat is provided with a groove, and the driving seat corresponding to the transmission seat is integrally or separately provided with a bulge.
6. The transmission mechanism of an electric toothbrush according to claim 4 or 5, wherein: the driving seat is provided with the inserted column or inserts the chamber in one side that is close to the transmission seat, is provided with on the transmission seat that corresponds with it and inserts the chamber or insert the post, inserts the post and inserts and locate to insert the chamber.
7. The transmission mechanism of an electric toothbrush according to claim 2, 4 or 5, wherein: the transmission seat is connected with a connecting rod in a linkage mode at one end far away from the motor device, the connecting rod extends out of the handle body, the return spring is sleeved outside the connecting rod, one end of the return spring abuts against the transmission seat, and the other end of the return spring abuts against the handle body.
8. The transmission mechanism of an electric toothbrush according to claim 2, 4 or 5, wherein: the output shaft of the motor device is arranged along the length direction of the handle body, the driving seat is sleeved outside the output shaft of the motor device, a first gear is arranged on the outer side surface of the driving seat, and a second gear meshed with the first gear is arranged on the outer side surface of the eccentric seat.
9. The drive mechanism for an electric toothbrush of claim 7, wherein: the handle body is in sealing fit with the connecting rod through a sealing sleeve, and the connecting rod penetrates through the sealing sleeve.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120762872.7U CN214590977U (en) | 2021-04-14 | 2021-04-14 | Transmission mechanism of electric toothbrush |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120762872.7U CN214590977U (en) | 2021-04-14 | 2021-04-14 | Transmission mechanism of electric toothbrush |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214590977U true CN214590977U (en) | 2021-11-02 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202120762872.7U Active CN214590977U (en) | 2021-04-14 | 2021-04-14 | Transmission mechanism of electric toothbrush |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN214590977U (en) |
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2021
- 2021-04-14 CN CN202120762872.7U patent/CN214590977U/en active Active
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