CN211094902U - Electric toothbrush and motor transmission device thereof - Google Patents
Electric toothbrush and motor transmission device thereof Download PDFInfo
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- CN211094902U CN211094902U CN201921961007.4U CN201921961007U CN211094902U CN 211094902 U CN211094902 U CN 211094902U CN 201921961007 U CN201921961007 U CN 201921961007U CN 211094902 U CN211094902 U CN 211094902U
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- push rod
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Abstract
The utility model discloses an electric toothbrush and a motor transmission device thereof, belonging to the technical field of articles for daily use, wherein a motor shaft is arranged on the motor; a first gear disposed on the motor shaft; the second gear is positioned below the first gear and meshed with the first gear; the transmission shaft is connected with one end, far away from the first gear, of the motor shaft; one end of the push rod is fixedly arranged on the second gear, and the other end of the push rod is connected with the transmission shaft through a limiting mechanism; wherein, the push rod promotes stop gear, so that the transmission shaft has reached and has realized the different vibration forms of brush head, enriches electric toothbrush's clean function, promotes the technological effect that the user used and experienced along axial motion.
Description
Technical Field
The utility model relates to the technical field of articles for daily use, in particular to electric toothbrush and motor transmission thereof.
Background
In modern society, oral problems have become a major concern and concern, and various oral cleaning products have been introduced to prevent the oral problems. The electric toothbrush is the most commonly used tooth cleaning tool for people, is used for removing bacteria, tartar and fine sundries attached between teeth, can play a role in preventing periodontal diseases, and protects the oral hygiene and the tooth health of people.
The drive of current electric toothbrushes is provided by a single motor, which provides only a single form of vibration without added mechanical structure, common to all are: 1. reciprocating swing rotating along the shaft; 2. a reciprocating linear oscillation in the axial direction; 3. 3D vibration with eccentric pendulum rotation. Therefore, the electric toothbrush driven by a single motor without adding a mechanical structure has a single vibration mode, and the toothbrush head is difficult to simultaneously and effectively clean tooth structures at different positions.
Disclosure of Invention
The utility model provides an electric toothbrush and motor transmission thereof has solved among the prior art single motor drive and has not increased mechanical structure's electric toothbrush vibration form singleness, and the brush head is difficult to the technical problem of the tooth structure of clean different positions simultaneously effectively, has reached and has realized the different vibration forms of brush head, enriches electric toothbrush's clean function, promotes the technological effect that the user used and experienced.
In a first aspect, an embodiment of the present application provides a motor transmission device, including: the motor is provided with a motor shaft; a first gear disposed on the motor shaft; the second gear is positioned below the first gear and meshed with the first gear; the transmission shaft is connected with one end, far away from the first gear, of the motor shaft; one end of the push rod is fixedly arranged on the second gear, and the other end of the push rod is connected with the transmission shaft through a limiting mechanism; the push rod pushes the limiting mechanism to enable the transmission shaft to move along the axial direction.
Preferably, the limiting mechanism comprises: one end of the fixed shaft vertically penetrates through one end, far away from the second gear, of the push rod; the limiting block is arranged between the push rod and the transmission shaft, a groove is formed in the limiting block, and the other end of the fixing shaft penetrates through the groove perpendicularly and is fixedly connected with the transmission shaft.
Preferably, the contact surfaces of the two end portions of the groove are arc-shaped.
Preferably, the push rod is an eccentric push rod.
Preferably, the second gear is a crown gear.
Preferably, the central axis of the second gear is perpendicular to the central axis of the first gear.
Preferably, the diameter of the drive shaft is greater than the diameter of the motor shaft.
In a second aspect, embodiments of the present application provide an electric toothbrush comprising a handle, a head and the aforementioned motor drive, the motor drive being disposed inside the handle.
The embodiment of the utility model provides an in above-mentioned one or more technical scheme, have following one or more technological effect at least:
an embodiment of the utility model provides a pair of electric toothbrush and motor drive thereof, include: the motor is provided with a motor shaft, the first gear can be tightly installed on the motor shaft, the second gear is installed below the first gear, so that the second gear can be meshed with the first gear, the transmission shaft is connected with one end, far away from the first gear, of the motor shaft, the push rod is fixedly installed on the outer side face of the second gear, the other end of the push rod can be connected with the transmission shaft through the limiting mechanism, therefore, when the motor drives the first gear to move, as the first gear is meshed with the second gear, power is transmitted to the second gear, the limiting mechanism is pushed by the push rod, so that the transmission shaft can realize reciprocating linear vibration output along the axial direction, and the problem that the vibration form of the electric toothbrush in the prior art is single due to the fact that the single motor does not increase a mechanical structure is solved, the technical problem that the brush head is difficult to clean the tooth structures at different positions effectively simultaneously is solved, different vibration modes of the brush head are achieved, the cleaning function of the electric toothbrush is enriched, and the technical effect of using experience of a user is improved.
The above description is only an overview of the technical solutions of the present invention, and in order to make the technical means of the present invention more clearly understood, the present invention may be implemented according to the content of the description, and in order to make the above and other objects, features, and advantages of the present invention more obvious and understandable, the following detailed description of the present invention is given.
Drawings
Fig. 1 is a schematic structural diagram of a motor transmission device according to an embodiment of the present invention;
fig. 2 is another schematic structural diagram of a motor transmission device according to an embodiment of the present invention.
Description of reference numerals: the device comprises a motor 1, a first gear 2, a second gear 3, a push rod 4, a fixed shaft 5, a limiting block 6 and a transmission shaft 7.
Detailed Description
An embodiment of the utility model provides an electric toothbrush and motor transmission thereof for it is single to solve among the prior art single motor drive not increase mechanical structure's electric toothbrush vibration form, and the brush head is difficult to clean the technical problem of the tooth structure of different positions simultaneously effectively.
The embodiment of the utility model provides an in technical scheme, the general thinking is as follows:
the embodiment of the utility model provides an electric toothbrush and a motor transmission device thereof, a motor shaft is arranged on the motor through the motor; a first gear disposed on the motor shaft; the second gear is positioned below the first gear and meshed with the first gear; the transmission shaft is connected with one end, far away from the first gear, of the motor shaft; one end of the push rod is fixedly arranged on the second gear, and the other end of the push rod is connected with the transmission shaft through a limiting mechanism; wherein, the push rod promotes stop gear, so that the transmission shaft is along axial motion, and then has reached and has realized the different vibration forms of brush head, enriches electric toothbrush's clean function, promotes the technological effect that the user used and experienced.
In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all, embodiments of the present invention. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
Example one
Fig. 1 is a schematic structural diagram of a motor transmission device according to an embodiment of the present invention, as shown in fig. 1:
the motor transmission device includes: the motor 1, there is a motor shaft on the said motor 1; a first gear 2, said first gear 2 being arranged on said motor shaft.
Specifically, the motor 1 is a main driving component in the motor transmission device, and is also a main component for driving in the electric toothbrush, and the working principle is that a starter rotor is driven to rotate by the forced rotation of an electrified coil in a magnetic field, and a pinion on the rotor drives an engine flywheel to rotate. A motor shaft is further assembled at an end position of the motor 1, so that the first gear 2 can be tightly fitted on the motor shaft, and the first gear 2 is installed at one end of the motor shaft close to the motor 1.
The motor transmission further includes: and the second gear 3 is positioned below the first gear 2, and the second gear 3 is meshed with the first gear 2.
Further, the second gear 3 is a crown gear.
Further, the central axis of the second gear 3 is perpendicular to the central axis of the first gear 2.
Specifically, the second gear 3 is one of the members of the motor transmission device that transmits power. The second gear 3 is meshed with the first gear 2, the specific installation position of the second gear 3 is below the first gear 2, and the size of the second gear 3 is larger than that of the first gear 2, namely the diameter of the second gear 3 is larger than that of the first gear 2. Further, the axis of second gear 3 sets up with the axis of first gear 2 is mutually perpendicular, because the axis of first gear 2 and motor shaft coincides mutually, consequently, the axis of second gear 3 is the same sets up with the axis of motor shaft is mutually perpendicular, and is concrete: when the first gear 2 is in a vertical plane with the axis in a horizontal plane, the second gear 3 is in a horizontal plane with the axis in a vertical plane. Meanwhile, the second gear 3 is preferably used as a crown gear in this embodiment, and in practical application, the design may be adjusted according to actual needs, and this embodiment is not particularly limited.
The motor transmission further includes: and the transmission shaft 7 is connected with one end of the motor shaft, which is far away from the first gear 1.
Further, the diameter of the transmission shaft 7 is larger than that of the motor shaft.
Specifically, the transmission shaft 7 is another part for transmitting power in the motor transmission device, and one end of the transmission shaft 7 is connected to the other end of the motor shaft, and the other end is connected to the brush head of the electric toothbrush, so that, in actual operation, after power is transmitted to the transmission shaft 7, the power can be transmitted to the brush head through the transmission shaft 7. And it is preferable in the present embodiment that the diameter of the transmission shaft 7 is larger than that of the motor shaft.
The motor transmission further includes: one end of the push rod 4 is fixedly arranged on the second gear 3, and the other end of the push rod 4 is connected with the transmission shaft 7 through a limiting mechanism; the push rod 4 pushes the limiting mechanism to enable the transmission shaft 7 to move along the axial direction.
Further, the push rod 4 is an eccentric push rod.
Further, stop gear includes: one end of the fixed shaft 5 vertically penetrates through one end, far away from the second gear 3, of the push rod 4; a limiting block 6, the limiting block 6 is arranged between the push rod 4 and the transmission shaft 7, a groove is formed in the limiting block 6, and the other end of the fixing shaft 5 vertically penetrates through the groove and is fixedly connected with the transmission shaft 7.
Further, the joint surfaces of the two end parts of the groove are arc-shaped.
Specifically, as shown in fig. 2, the push rod 4 is a main component of the motor transmission device for performing power pushing, one end of the push rod 4 is fixed on an outer side surface of the second gear 3 away from the motor shaft, and the other end of the push rod 4 is connected with the transmission shaft 7 through a limiting mechanism. Wherein, stop gear includes fixed axle 5 and stopper 6, and is specific: a mounting hole is formed in the other end of the push rod 4, namely the end part of the push rod far away from the second gear 3, one end of the fixed shaft 5 vertically penetrates through the mounting hole, and the other end of the fixed shaft 5 is connected with the transmission shaft 7; the limiting block 6 is a part for limiting the moving stroke of the transmission shaft 7 in the limiting mechanism, and therefore, in this embodiment, the limiting block 6 is installed between the push rod 4 and the transmission shaft 7, and the extending direction of the limiting block 6 is consistent with the extending direction of the transmission shaft 7. Set up the recess that runs through stopper 6 upper and lower surface in stopper 6's inside, the recess is seted up along stopper 6 length direction simultaneously, makes the other end of fixed axle 5 can pass this recess and then be connected with transmission shaft 7 like this to fixed axle 5 can slide along stopper 6 length direction in the recess. Further, in the present embodiment, the shape of both end portions of the groove is preferably circular arc, and the fixing shaft 5 can reliably slide in the stopper 6. Therefore, when the motor 1 drives the first gear 2 to move, the first gear 2 is meshed with the second gear 3, and then power is transmitted to the second gear 3, so that the fixed shaft 5 is pushed by the push rod 4, namely, the eccentric push rod, and the transmission shaft 7 is output along axial reciprocating linear vibration through the limiting block 6.
Therefore, the motor transmission device in the embodiment integrates the bidirectional driving into the electric toothbrush by adding a mechanical structure to the single-core motor, and can provide the reciprocating swing along the shaft rotation direction and the reciprocating linear sliding along the shaft direction for the brush head of the electric toothbrush through the single motor, namely, the purpose of bidirectional driving is realized by utilizing one power source, so that the technical effects of realizing two different vibration modes of the brush head and enriching the cleaning function of the electric toothbrush are achieved.
Example two
The embodiment of the utility model also provides an electric toothbrush, including brush holder, brush head and aforementioned motor drive, wherein, motor drive sets up inside the brush holder.
Various modifications and embodiments of a motor driving device in the first embodiment are also applicable to an electric toothbrush in the present embodiment, and the detailed description of the motor driving device is clear to those skilled in the art, so that the detailed description is omitted herein for the brevity of the description.
The embodiment of the utility model provides an in above-mentioned one or more technical scheme, have following one or more technological effect at least:
an embodiment of the utility model provides a pair of electric toothbrush and motor drive thereof, include: the motor is provided with a motor shaft, the first gear can be tightly installed on the motor shaft, the second gear is installed below the first gear, so that the second gear can be meshed with the first gear, the transmission shaft is connected with one end, far away from the first gear, of the motor shaft, the push rod is fixedly installed on the outer side face of the second gear, the other end of the push rod can be connected with the transmission shaft through the limiting mechanism, therefore, when the motor drives the first gear to move, as the first gear is meshed with the second gear, power is transmitted to the second gear, the limiting mechanism is pushed by the push rod, so that the transmission shaft can realize reciprocating linear vibration output along the axial direction, and the problem that the vibration form of the electric toothbrush in the prior art is single due to the fact that the single motor does not increase a mechanical structure is solved, the technical problem that the brush head is difficult to clean the tooth structures at different positions effectively simultaneously is solved, different vibration modes of the brush head are achieved, the cleaning function of the electric toothbrush is enriched, and the technical effect of using experience of a user is improved.
While the preferred embodiments of the present invention have been described, additional variations and modifications in those embodiments may occur to those skilled in the art once they learn of the basic inventive concepts. It is therefore intended that the appended claims be interpreted as including the preferred embodiment and all such alterations and modifications as fall within the scope of the invention.
It is apparent that those skilled in the art can make various changes and modifications to the embodiments of the present invention without departing from the spirit and scope of the embodiments of the present invention. Thus, if such modifications and variations of the embodiments of the present invention fall within the scope of the claims and their equivalents, the present invention is also intended to include such modifications and variations.
Claims (8)
1. A motor drive, comprising:
the motor is provided with a motor shaft;
a first gear disposed on the motor shaft;
the second gear is positioned below the first gear and meshed with the first gear;
the transmission shaft is connected with one end, far away from the first gear, of the motor shaft;
one end of the push rod is fixedly arranged on the second gear, and the other end of the push rod is connected with the transmission shaft through a limiting mechanism;
the push rod pushes the limiting mechanism to enable the transmission shaft to move along the axial direction.
2. The motor drive of claim 1, wherein the limit mechanism comprises:
one end of the fixed shaft vertically penetrates through one end, far away from the second gear, of the push rod;
the limiting block is arranged between the push rod and the transmission shaft, a groove is formed in the limiting block, and the other end of the fixing shaft penetrates through the groove perpendicularly and is fixedly connected with the transmission shaft.
3. The motor transmission device according to claim 2, wherein the contact surfaces of both end portions of the groove are arcuate.
4. The motor drive of claim 1, wherein said push rod is an eccentric push rod.
5. The motor transmission of claim 1, wherein the second gear is a crown gear.
6. The motor transmission of claim 1, wherein the central axis of the second gear is perpendicular to the central axis of the first gear.
7. The motor drive of claim 1, wherein the drive shaft has a diameter greater than a diameter of the motor shaft.
8. An electric toothbrush comprising a handle, a head and a motor drive as claimed in any of claims 1 to 7, the motor drive being disposed within the handle.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921961007.4U CN211094902U (en) | 2019-11-13 | 2019-11-13 | Electric toothbrush and motor transmission device thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921961007.4U CN211094902U (en) | 2019-11-13 | 2019-11-13 | Electric toothbrush and motor transmission device thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211094902U true CN211094902U (en) | 2020-07-28 |
Family
ID=71720436
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921961007.4U Active CN211094902U (en) | 2019-11-13 | 2019-11-13 | Electric toothbrush and motor transmission device thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211094902U (en) |
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2019
- 2019-11-13 CN CN201921961007.4U patent/CN211094902U/en active Active
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