CN215915012U - Two-section-shaft vibration motor and electric toothbrush - Google Patents
Two-section-shaft vibration motor and electric toothbrush Download PDFInfo
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- CN215915012U CN215915012U CN202121898811.XU CN202121898811U CN215915012U CN 215915012 U CN215915012 U CN 215915012U CN 202121898811 U CN202121898811 U CN 202121898811U CN 215915012 U CN215915012 U CN 215915012U
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Abstract
The utility model discloses a two-section shaft vibration motor and an electric toothbrush, wherein the two-section shaft vibration motor comprises a motor body, a motor shaft, an injection molding support and a matching shaft, the motor body is used for outputting vibration power, the motor shaft is connected with the motor body, the vibration power output by the motor is utilized, the motor shaft comprises an insertion part arranged at one end far away from the motor body, the injection molding support is provided with a first installation groove and a second installation groove, the first installation groove is used for fixedly installing the motor body, the second installation groove is used for fixedly installing the motor shaft, the toothbrush matching shaft comprises a shaft head part connected with a toothbrush head and a shaft neck part matched with the insertion part, and when the toothbrush head is fixed on the shaft head part and the shaft neck part is fixed on the insertion part, the toothbrush head can vibrate. By using the two-section shaft vibration motor, the toothbrush matching shaft can be replaced as required, and the motor body can also be replaced as required, so that the universality of the vibration motor is improved.
Description
Technical Field
The utility model relates to the field of small household appliances, in particular to a two-section-shaft vibration motor and an electric toothbrush.
Background
The vibration motor is generally an eccentric wheel motor or a sound wave motor, and is disposed in the handle of the toothbrush and outputs vibration energy through an output shaft, so that the brush head of the electric toothbrush vibrates to clean teeth.
Referring to the patent publication No. CN211351951U, although the conventional two-shaft vibration motor can be produced in a universal manner by replacing the shaft sleeve, the motor is not versatile enough when different users need different types of toothbrush heads.
Disclosure of Invention
In order to solve the problems, the utility model provides a two-section shaft vibration motor and an electric toothbrush. When such a two-shaft vibration motor and an electric toothbrush are used, the versatility of the vibration motor can be improved.
The technical scheme adopted by the utility model is as follows: provides a two-section shaft vibration motor which comprises a motor body, a motor shaft, an injection molding bracket and a toothbrush matching shaft, the motor body is used for outputting vibration power, the motor shaft is connected with the motor body and comprises an insertion part which is arranged at one end far away from the motor body, the injection molding bracket is provided with a first mounting groove and a second mounting groove, the first mounting groove is used for fixedly mounting the motor body, the second mounting groove is used for fixedly mounting the motor shaft, so that the motor shaft can utilize the vibration power output by the motor body, the toothbrush matching shaft comprises a shaft head part connected with the toothbrush head and a shaft neck part in inserted fit with the insertion part, when the toothbrush head is fixed on the shaft head part and the shaft neck is fixed on the inserting part, the toothbrush head can vibrate.
Preferably, the motor body is an eccentric wheel motor, the injection molding support comprises a body, one side of the body is provided with the first mounting groove, the other side of the body is provided with the second mounting groove, and the shell of the eccentric wheel motor is clamped into the first mounting groove.
Preferably, the injection molding bracket and the motor shaft are integrally formed.
Preferably, the neck of the toothbrush matching shaft is provided with a protrusion, the insertion part of the motor shaft is provided with a blind hole, and the protrusion can extend into the blind hole.
Preferably, the neck of the toothbrush matching shaft is provided with a blind hole, the insertion part of the motor shaft is provided with a protrusion, and the protrusion can extend into the blind hole.
Preferably, the blind hole is the triangle-shaped setting, the arch is the prismatic setting of triangle.
Preferably, the blind hole is hexagonal type setting, the arch is hexagonal type prism setting.
Preferably, the blind hole is arranged in a circular shape, and the protrusion is in interference fit with the blind hole.
Preferably, the wall thickness of the position of the blind hole is 0.5-1.25 mm, and the diameter of the bulge is 1.5-3 mm.
The utility model further provides an electric toothbrush which comprises a brush head, a brush handle and the two-section shaft vibration motor, wherein the two-section shaft vibration motor is arranged in the brush handle, and a toothbrush matching shaft extends out of the brush handle and is in plug fit with the brush head.
The two-section shaft vibration motor can achieve the following technical effects: the motor body outputs vibration power, is an eccentric wheel motor or a sound wave motor and has good universality. The motor shaft sets up independently, and the motor shaft links to each other with the motor body, can reach the motor shaft with the vibration transmission of motor body on. The support of moulding plastics transmits motor body's vibration to the motor shaft, and first mounting groove is used for fixed mounting motor body, and the second mounting groove is used for the fixed mounting motor shaft, and the motor shaft can obtain the second mounting groove with the support integrated into one piece of moulding plastics. When the motor vibrates, the motor shaft can utilize the vibration power output by the motor body, and the motor body transmits the vibration power to the motor shaft through the injection molding bracket. The shaft head part of the toothbrush matching shaft is connected with the toothbrush head, when the toothbrush matching shaft is required to be applied to toothbrush heads of different types, the toothbrush head can be quickly connected by replacing the toothbrush matching shaft, a motor shaft and an injection molding support do not need to be integrally replaced, the cost of re-opening a mold is reduced, and the universality of the motor is improved. When the toothbrush head is fixed on the shaft head part and the shaft neck part is fixed on the insertion part, the toothbrush head can vibrate.
Reference numerals
| Reference numerals | Name (R) | Reference numerals | Name (R) |
| 10 | |
31 | |
| 11 | |
32 | |
| 20 | |
40 | |
| 21 | Plug-in |
41 | |
| 211 | |
42 | |
| 30 | |
421 | Projection |
Drawings
Fig. 1 is a schematic perspective view of a two-shaft motor according to an embodiment of the present invention;
FIG. 2 is a schematic diagram of an internal structure of a two-section shaft motor according to an embodiment of the present invention;
fig. 3 is a schematic perspective view of a two-shaft motor according to another embodiment of the present invention;
FIG. 4 is a schematic view of the internal structure of a two-shaft motor according to another embodiment of the present invention;
FIG. 5 is a schematic perspective view of a two-section shaft motor according to yet another embodiment of the present invention;
fig. 6 is a schematic view of an internal structure of a two-shaft motor according to still another embodiment of the present invention.
The implementation, functional features and advantages of the objects of the present invention will be further explained with reference to the accompanying drawings.
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 or similar 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 the drawings are illustrative and intended to be illustrative of the utility model and are not to be construed as limiting the utility model.
In the present invention, unless otherwise expressly specified or limited, the terms "mounted," "connected," "secured," and the like are to be construed broadly and can, for example, be fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; either directly or indirectly through intervening media, or through the communication between two elements. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.
In the present invention, unless otherwise expressly stated or limited, "above" or "below" a first feature means that the first and second features are in direct contact, or that the first and second features are not in direct contact but are in contact with each other via another feature therebetween. Also, the first feature being "on," "above" and "over" the second feature includes the first feature being directly on and obliquely above the second feature, or merely indicating that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature includes the first feature being directly under and obliquely below the second feature, or simply meaning that the first feature is at a lesser elevation than the second feature.
The present invention will be described in further detail with reference to the following detailed description and accompanying drawings.
Referring to fig. 1 and 2, in an embodiment of the present invention, a two-shaft vibration motor is provided, the two-shaft vibration motor includes a motor body 10, a motor shaft 20, an injection bracket 30 and a toothbrush fitting shaft 40, the motor body 10 is used for outputting vibration power, the motor shaft 20 is connected to the motor body 10, the motor shaft 20 includes an insertion part 21 disposed at an end away from the motor body 10, the injection bracket 30 is formed with a first mounting groove 31 and a second mounting groove 32, the first mounting groove 31 is used for fixedly mounting the motor body 10, the second mounting groove 32 is used for fixedly mounting the motor shaft 20, so that the motor shaft 20 can utilize the vibration power output by the motor body 10, the toothbrush fitting shaft 40 includes a shaft head part 41 connected to a toothbrush head, and a shaft neck part 42 connected to the insertion part 21 in a plugging manner, when the toothbrush head is fixed to the shaft head part 41, and the shaft neck part 42 is fixed to the insertion part 21, the toothbrush head can be vibrated.
With continued reference to fig. 1 and 2, specifically, the motor body 10 outputs vibration power, and the motor body 10 may be an eccentric wheel motor or a sound wave motor, which has better versatility. The motor shaft 20 is independently arranged, the motor shaft 20 is connected with the motor body 10, namely, the vibration of the motor body 10 is transmitted to the motor shaft 20, and the motor shaft 20 comprises an insertion part 21 which is arranged at one end far away from the motor body 10. The injection bracket 30 may be a long bar type or other shapes to transmit the vibration of the motor body 10 to the motor shaft 20, and the first mounting groove 31 is used to fixedly mount the motor body 10, and the first mounting groove 31 may be formed by recessing the injection bracket 30 toward one side or may be formed by a plurality of protrusions, which will not be described in detail herein. The second mounting groove 32 is used for fixedly mounting the motor shaft 20, the second mounting groove 32 may be a through hole or a blind hole for inserting the motor shaft 20, and the motor shaft 20 may be obtained by riveting or integrally forming with the injection bracket 30 to obtain the second mounting groove 32. When the motor vibrates, the motor shaft 20 can use the vibration power output from the motor body 10, that is, the motor body 10 transmits the vibration power to the motor shaft 20 through the injection molding bracket 30. The head part 41 of the toothbrush matching shaft 40 is connected with the toothbrush head, the insertion part 21 can be used for the insertion and extraction connection of the shaft neck part 42, and when the insertion part 21 is a blind hole, the shaft neck part 42 can extend into the blind hole to complete the insertion and extraction; when the plug portion 21 is a protrusion, the journal portion 42 is provided with a blind hole corresponding to the protrusion, which will not be described in detail. When the toothbrush matching shaft 40 is required to be applied to different types of toothbrush heads, the toothbrush heads can be quickly connected by replacing the toothbrush matching shaft 40 without integrally replacing the motor shaft 20 and the injection molding bracket 30, so that the cost of re-opening the mold is reduced, and the general performance of the motor is improved. When the toothbrush head is fixed on the shaft head part 41 and the shaft neck part 42 is fixed on the insertion part 21, the toothbrush head can be vibrated.
It should be clarified that the material of the injection molding bracket 30 is the existing engineering plastic, such as: PC, ABS, etc., and the injection molding bracket 30 can have better strength and toughness. Preferably, the injection molding bracket 30 and the motor shaft 20 are integrally formed, and the injection molding bracket 30 can be obtained through in-mold injection, which is beneficial to improving the production efficiency.
With continued reference to fig. 1 and 2, in order to facilitate the installation of the motor body 10, in an alternative embodiment, the motor body 10 is an eccentric motor, and the injection-molded bracket 30 includes a body having a first mounting groove 31 formed at one side thereof and a second mounting groove 32 formed at the other side thereof, and the housing 11 of the eccentric motor is inserted into the first mounting groove 31. The injection molding bracket 30 forms a first mounting groove 31 through injection molding, the size of the eccentric wheel motor is matched with the first mounting groove 31, so that the eccentric wheel motor can be integrally clamped into the first mounting groove 31, and the second mounting groove 32 is arranged on the other side far away from the eccentric wheel motor, so that the vibration power can be well utilized.
With continued reference to fig. 3 to 6, in order to facilitate the production of the vibration motor, in an alternative embodiment, the neck portion 42 of the toothbrush engaging shaft 40 is provided with a protrusion 421, the insertion portion 21 of the motor shaft 20 is provided with a blind hole 211, and the protrusion 421 can be disposed to extend into the blind hole 211. The protrusion 421 may be cylindrical, triangular, quadrangular or hexagonal, and the cross-sectional shape corresponding to the blind hole 211 may also be circular, triangular, quadrangular or hexagonal, and the blind hole 211 may be obtained by casting, thereby facilitating the manufacturing.
With continued reference to fig. 3-6, to facilitate production of the vibration motor, in an alternative embodiment, the collar portion 42 of the toothbrush engagement shaft 40 is provided with a blind hole (not shown), and the insertion portion 21 of the motor shaft 20 is provided with a protrusion (not shown) that can extend into the blind hole. The protrusions can be arranged in a cylindrical shape, a triangular shape, a quadrangular shape or a hexagonal shape, the cross section of the corresponding blind hole can also be in a circular ring shape, a triangular shape, a quadrangular shape or a hexagonal shape, and the like, and the blind hole can be obtained by casting molding, so that the blind hole is convenient to manufacture.
Referring to fig. 1 and 2, to prevent the protrusions 421 from slipping within the blind holes 211, in an alternative embodiment, the blind holes 211 are arranged in a triangular shape and the protrusions 421 are arranged in a triangular prism shape. This arrangement not only facilitates the insertion and removal of the journal portion 42 and the insertion portion 21, but also prevents the protrusion 421 from slipping in the blind hole 211.
Referring to fig. 3 and 4, to further facilitate the insertion and removal of the journal portion 42 from the mating portion 21, in an alternative embodiment, the blind hole 211 is hexagonal and the protrusion 421 is hexagonal prism. When the plug is connected, the hexagonal protrusion 421 only needs to be applied with torque force to rotate within a small range, so that the protrusion 421 can be inserted into the blind hole 211 conveniently and quickly.
With reference to fig. 5 and 6, in order to further improve the versatility of the motor, in an alternative embodiment, the blind hole 211 is provided in a circular shape, and the protrusion 421 is interference-fitted with the blind hole 211. The toothbrush matching shaft 40 can obtain the blind hole 211 or the circular arranged bulge 421 through the universal processing equipment, so that the toothbrush matching shaft 40 can be conveniently arranged in series, and the production cost is low. The interference fit is a dimensional tolerance control manner that the protrusion 421 can be inserted into the blind hole 211 to limit rotation, so as to achieve tight fit installation, relative to clearance fit and transition fit.
With continued reference to fig. 5 and 6, in an alternative embodiment, the wall thickness at the location of the blind bore 211 is 0.5 to 1.25 millimeters and the diameter of the protrusion 421 is set to 1.5 to 3 millimeters. Better strength can be obtained.
The utility model also provides an electric toothbrush which comprises a brush head (not shown), a brush handle (not shown) and the two-section shaft vibration motor, wherein the two-section shaft vibration motor is arranged in the brush handle, and a toothbrush matching shaft 40 extends out of the brush handle and is matched with the brush head in an inserted manner. Different brush heads can be adapted by replacing the toothbrush matching shaft 40, and the universality of the motor of the electric toothbrush is improved.
In the description herein, references to the description of the term "one embodiment," "some embodiments," "an example," "a specific example," or "some examples" or the like, mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the utility model. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.
The foregoing is a more detailed description of the present invention that is presented in conjunction with specific embodiments, and the practice of the utility model is not to be considered limited to those descriptions. It will be apparent to those skilled in the art that a number of simple derivations or substitutions can be made without departing from the inventive concept.
Claims (10)
1. A two-section-shaft vibration motor, comprising:
the motor body is used for outputting vibration power;
the motor shaft is connected with the motor body and comprises an insertion part which is arranged at one end far away from the motor body;
the injection molding support is provided with a first mounting groove and a second mounting groove, the first mounting groove is used for fixedly mounting a motor body, and the second mounting groove is used for fixedly mounting the motor shaft, so that the motor shaft can utilize the vibration power output by the motor body; and the number of the first and second groups,
the toothbrush matching shaft comprises a shaft head part connected with a toothbrush head and a shaft neck part connected with the insertion part in a plugging mode, and when the toothbrush head is fixed to the shaft head part and the shaft neck part is fixed to the insertion part, the toothbrush head can vibrate.
2. The two-section shaft vibration motor according to claim 1, wherein the motor body is an eccentric wheel motor, the injection-molded bracket comprises a body, the first mounting groove is formed in one side of the body, the second mounting groove is formed in the other side of the body, and a housing of the eccentric wheel motor is clamped into the first mounting groove.
3. The two-section shaft vibration motor of claim 2, wherein said injection molded bracket is integrally formed with said motor shaft.
4. The two-section shaft vibration motor according to claim 1, wherein a shaft neck portion of the toothbrush fitting shaft is provided with a protrusion, and the insertion portion of the motor shaft is provided with a blind hole into which the protrusion can be inserted.
5. The two-section shaft vibration motor according to claim 1, wherein the neck portion of the toothbrush fitting shaft is provided with a blind hole, and the insertion portion of the motor shaft is provided with a protrusion which can be inserted into the blind hole.
6. The two-section shaft vibration motor according to claim 4 or 5, wherein the blind hole is formed in a triangular shape, and the protrusion is formed in a triangular prism shape.
7. The two-section shaft vibration motor according to claim 4 or 5, wherein the blind hole is hexagonal and the projection is hexagonal prism.
8. The two-section shaft vibration motor of claim 4 or 5, wherein the blind holes are arranged in a circular shape, and the protrusions are in interference fit with the blind holes.
9. The two-segment shaft vibration motor according to claim 8, wherein the wall thickness of the blind hole is 0.5 to 1.25 mm, and the diameter of the projection is set to 1.5 to 3 mm.
10. An electric toothbrush comprising a brush head and a brush handle, wherein the electric toothbrush further comprises a two-section-shaft vibration motor as claimed in any one of claims 1 to 9, the two-section-shaft vibration motor is arranged in the brush handle, and a matching shaft of the toothbrush extends out of the brush handle to be matched with the brush head in a plugging manner.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121898811.XU CN215915012U (en) | 2021-08-13 | 2021-08-13 | Two-section-shaft vibration motor and electric toothbrush |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121898811.XU CN215915012U (en) | 2021-08-13 | 2021-08-13 | Two-section-shaft vibration motor and electric toothbrush |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215915012U true CN215915012U (en) | 2022-03-01 |
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ID=80422679
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121898811.XU Active CN215915012U (en) | 2021-08-13 | 2021-08-13 | Two-section-shaft vibration motor and electric toothbrush |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215915012U (en) |
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2021
- 2021-08-13 CN CN202121898811.XU patent/CN215915012U/en active Active
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