CN217935241U - Low-cost sound wave motor - Google Patents
Low-cost sound wave motor Download PDFInfo
- Publication number
- CN217935241U CN217935241U CN202221315214.4U CN202221315214U CN217935241U CN 217935241 U CN217935241 U CN 217935241U CN 202221315214 U CN202221315214 U CN 202221315214U CN 217935241 U CN217935241 U CN 217935241U
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- Prior art keywords
- shell fragment
- tailstock
- iron core
- output shaft
- elastic sheet
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- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical group [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims abstract description 32
- 239000012634 fragment Substances 0.000 claims abstract description 26
- 238000004519 manufacturing process Methods 0.000 abstract description 8
- 239000003292 glue Substances 0.000 description 5
- 230000000694 effects Effects 0.000 description 4
- 238000000034 method Methods 0.000 description 4
- 238000004804 winding Methods 0.000 description 4
- 238000005096 rolling process Methods 0.000 description 3
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 239000000843 powder Substances 0.000 description 1
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Abstract
The utility model discloses a low-cost sound wave motor that belongs to sound wave motor technical field, including the casing, the one end of casing is equipped with the tailstock, is equipped with stator module on the inner wall of casing, and stator module's inside is equipped with the rotor subassembly, and the rotor subassembly includes the iron core, and the coiling has the coil on the iron core, and the inside of iron core is equipped with the shell fragment, the one end and the output shaft of shell fragment, and the other end and the tailstock of shell fragment are connected. The utility model discloses the coil is coiled on the iron core, is convenient for the coiling of coil, and the iron core is fixed on the shell fragment, and one end and the output shaft of shell fragment are connected, and the other end and the tailstock of shell fragment are connected, have saved the use to the bearing to reduce the vibration noise and the manufacturing cost of motor, still saved the rotor shaft among the prior art simultaneously, further reduced manufacturing cost; the utility model discloses be equipped with the open slot corresponding with the shell fragment on the output shaft, be convenient for the bonding between shell fragment and the output shaft.
Description
Technical Field
The utility model belongs to the technical field of the sound wave motor, concretely relates to low-cost sound wave motor.
Background
At present, the sound wave motors used on the electric tooth brushes on the market can be divided into two types, one type is provided with two rolling bearings, the other type is provided with one rolling bearing, the other end of the rotor is provided with a metal elastic sheet, one end of the elastic sheet is bonded with the shaft through glue, and the other end of the elastic sheet is injected and molded in the tailstock.
From the performance comparison, the double-bearing design has strong vibration sense and large amplitude, but has poor noise and high cost, because the rolling bearing has high price, and the single-bearing design has poor vibration sense and small amplitude, but has good noise and low cost; and customers prefer the latter; however, the latter design has a problem that the coil is wound inside the core, and the winding is difficult.
Therefore, a low-cost acoustic wave motor is needed to meet the requirements of easy winding, low noise and low cost.
SUMMERY OF THE UTILITY MODEL
To solve the problems raised in the background art described above. The utility model provides a low-cost sound wave motor has the wire winding of being convenient for, and noise and characteristics with low costs all.
In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a low-cost sound wave motor, includes the casing, and the one end of casing is equipped with the tailstock, is equipped with stator module on the inner wall of casing, and stator module's inside is equipped with the rotor subassembly, and the rotor subassembly includes the iron core, and the coiling has the coil on the iron core, and the inside of iron core is equipped with the shell fragment, the one end and the output shaft of shell fragment, and the other end and the tailstock of shell fragment are connected.
In order to facilitate the adhesion between the elastic sheet and the output shaft, further, the output shaft is connected with the shell through a bearing.
In order to facilitate the adhesion between the elastic sheet and the output shaft, furthermore, the output shaft is provided with an open slot corresponding to the elastic sheet.
In order to facilitate assembly and bonding between the elastic sheet and the iron core, a rectangular through groove corresponding to the elastic sheet is further formed in the iron core.
In order to facilitate the adhesion between the elastic sheet and the tailstock, furthermore, a connecting groove corresponding to the elastic sheet is arranged inside the tailstock.
In order to increase the bonding force and ensure the bonding effect, the two ends of the elastic sheet are respectively provided with a through hole.
In order to provide the space required by deformation for the elastic sheet, furthermore, an avoiding groove is arranged on one side of the connecting groove in the tailstock.
In order to avoid the wire from being broken in the vibration process, the tail seat further comprises two wires, wherein one end of each wire is connected with the coil, and the other end of each wire penetrates through the tail seat.
Compared with the prior art, the beneficial effects of the utility model are that:
1. the utility model discloses the coil coiling is on the iron core, is convenient for the coiling of coil, and the iron core is fixed on the shell fragment, and one end and the output shaft of shell fragment are connected, and the other end and the tailstock of shell fragment are connected, have saved the use to the bearing to reduce the vibration noise and the manufacturing cost of motor, still saved the rotor shaft among the prior art simultaneously, further reduced manufacturing cost;
2. the utility model has an open slot corresponding to the spring plate on the output shaft, which is convenient for the bonding between the spring plate and the output shaft;
3. the rectangular through groove corresponding to the elastic sheet is arranged inside the iron core, so that the assembly and bonding between the elastic sheet and the iron core are facilitated;
4. the connecting groove corresponding to the elastic sheet is arranged inside the tailstock of the utility model, which is convenient for the bonding between the elastic sheet and the tailstock;
5. the through holes are respectively arranged at the two ends of the elastic sheet, and the two ends of the elastic sheet are respectively connected with the output shaft and the tailstock through glue dispensing, so that the bonding force is increased, and the bonding effect is ensured;
6. the inside of the tailstock of the utility model is provided with the avoidance groove at one side of the connecting groove, which provides the space required by deformation for the elastic sheet;
7. the utility model discloses still include two wires, the one end and the coil connection of wire, the other end of wire runs through to the outside of tailstock, and the wire is thick owing to there is the protection of insulating layer, the enameled wire of relative coil to can avoid being broken at vibration in-process wire.
Drawings
The accompanying drawings are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention, and together with the description serve to explain the principles of the invention. In the drawings:
FIG. 1 is a schematic sectional view of the present invention;
FIG. 2 is an exploded view of the structure of the present invention;
fig. 3 is a schematic structural view of the output shaft of the present invention;
fig. 4 is a schematic structural diagram of the iron core of the present invention;
fig. 5 is a schematic structural view of the elastic sheet of the present invention;
fig. 6 is a schematic cross-sectional structural view of the tailstock according to the present invention;
in the figure: 1. a bearing; 2. a housing; 3. a stator assembly; 4. an output shaft; 41. an open slot; 5. a rotor assembly; 51. an iron core; 52. a coil; 53. a rectangular through groove; 6. a spring plate; 61. a through hole; 7. a wire; 8. a tailstock; 81. connecting grooves; 82. avoiding the groove.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. 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 1
Referring to fig. 1-6, the present invention provides the following technical solutions: the utility model provides a low-cost sound wave motor, including casing 2, the one end of casing 2 is equipped with tailstock 8, be equipped with stator module 3 on the inner wall of casing 2, stator module 3 includes plastic frame and four magnetic shoes, four magnetic shoe symmetries set up on the plastic frame, stator module 3's inside is equipped with rotor subassembly 5, rotor subassembly 5 includes iron core 51, the coiling has coil 52 on the iron core 51, the inside of iron core 51 is equipped with shell fragment 6, the one end and the output shaft 4 of shell fragment 6 are connected, the other end and the tailstock 8 of shell fragment 6 are connected.
Through adopting above-mentioned technical scheme, coil 52 coiling is on iron core 51, the coiling of the coil 52 of being convenient for, and iron core 51 is fixed on shell fragment 6, and the one end and the output shaft 4 of shell fragment 6 are connected, and the other end and the tailstock 8 of shell fragment 6 are connected, have saved the use to the bearing to the vibration noise and the manufacturing cost of motor have been reduced, the rotor shaft among the prior art has still been saved simultaneously, has further reduced manufacturing cost.
Specifically, the output shaft 4 is connected to the housing 2 through a bearing 1, and the bearing 1 is preferably a powder bearing.
By adopting the technical scheme, the support device is used for supporting the rotation of the output shaft 4.
Specifically, the output shaft 4 is provided with an open slot 41 corresponding to the elastic sheet 6.
Through adopting above-mentioned technical scheme, be convenient for the bonding between shell fragment 6 and the output shaft 4.
Specifically, a rectangular through groove 53 corresponding to the elastic sheet 6 is formed in the iron core 51, and the elastic sheet 6 is embedded in the rectangular through groove 53 and is glued with the iron core 51 through glue.
By adopting the technical scheme, the assembly and the bonding between the elastic sheet 6 and the iron core 51 are facilitated.
Specifically, the inside of the tailstock 8 is provided with a connecting groove 81 corresponding to the elastic sheet 6.
Through adopting above-mentioned technical scheme, be convenient for the bonding between shell fragment 6 and tailstock 8.
Specifically, through holes 61 are respectively formed in two ends of the elastic sheet 6, and two ends of the elastic sheet 6 are respectively connected with the output shaft 4 and the tailstock 8 through glue dispensing.
By adopting the technical scheme, the bonding force is increased, and the bonding effect is ensured.
Example 2
The present embodiment is different from embodiment 1 in that: specifically, an avoiding groove 82 is provided inside the tailstock 8 on one side of the connecting groove 81.
By adopting the technical scheme, a space required by deformation is provided for the elastic sheet 6.
Example 3
The present embodiment is different from embodiment 1 in that: specifically, the tail base further comprises two wires 7, one end of each wire 7 is connected with the coil 52, the other end of each wire 7 penetrates through the tail base 8, and the wires 7 are wires wrapped with insulating layers.
By adopting the technical scheme, the wire 7 is protected by the insulating layer, and the enameled wire corresponding to the coil 52 is thick, so that the wire 7 can be prevented from being broken in the vibration process.
To sum up, the coil 52 of the present invention is wound on the iron core 51, which is convenient for winding the coil 52, the iron core 51 is fixed on the elastic sheet 6, one end of the elastic sheet 6 is connected with the output shaft 4, and the other end of the elastic sheet 6 is connected with the tailstock 8, so as to omit the use of the bearing, thereby reducing the vibration noise and the production cost of the motor, and simultaneously, the rotor shaft in the prior art is also omitted, thereby further reducing the production cost; the utility model has an open slot 41 corresponding to the elastic sheet 6 on the output shaft 4, which is convenient for the adhesion between the elastic sheet 6 and the output shaft 4; the iron core 51 of the utility model is internally provided with a rectangular through groove 53 corresponding to the elastic sheet 6, which is convenient for the assembly and bonding between the elastic sheet 6 and the iron core 51; the connecting groove 81 corresponding to the elastic sheet 6 is arranged inside the tailstock 8 of the utility model, which is convenient for the bonding between the elastic sheet 6 and the tailstock 8; the through holes 61 are respectively arranged at the two ends of the elastic sheet 6, and the two ends of the elastic sheet 6 are respectively connected with the output shaft 4 and the tailstock 8 through glue dispensing, so that the bonding force is increased, and the bonding effect is ensured; the inside of the tailstock 8 of the utility model is provided with an avoiding groove 82 at one side of the connecting groove 81, which provides a space for deformation of the elastic sheet 6; the utility model discloses still include two wires 7, the one end and the coil 52 of wire 7 are connected, and the other end of wire 7 runs through to the outside of tailstock 8, and wire 7 is thick owing to there is the protection of insulating layer, and relative coil 52's enameled wire to can avoid wire 7 to be broken at vibration in-process.
Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments described in the foregoing embodiments, or equivalents may be substituted for elements thereof. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (8)
1. A low-cost sound wave motor, includes casing, its characterized in that: the one end of casing is equipped with the tailstock, is equipped with stator module on the inner wall of casing, and stator module's inside is equipped with the rotor subassembly, and the rotor subassembly includes the iron core, and the coiling has the coil on the iron core, and the inside of iron core is equipped with the shell fragment, the one end and the output shaft of shell fragment, and the other end and the tailstock of shell fragment are connected.
2. A low cost acoustic motor as set forth in claim 1 wherein: the output shaft is connected with the shell through a bearing.
3. A low cost acoustic motor as set forth in claim 1 wherein: the output shaft is provided with an open slot corresponding to the elastic sheet.
4. A low cost acoustic motor as set forth in claim 1 wherein: and a rectangular through groove corresponding to the elastic sheet is formed in the iron core.
5. A low cost acoustic motor as set forth in claim 1 wherein: the inside of tailstock is equipped with the spread groove corresponding with the shell fragment.
6. A low cost acoustic motor as set forth in claim 1 wherein: through holes are respectively arranged at the two ends of the elastic sheet.
7. A low cost acoustic wave motor as set forth in claim 5, wherein: one side that the inside of tailstock is located the spread groove is equipped with and dodges the groove.
8. A low cost acoustic motor as set forth in claim 1 wherein: still include two wires, the one end and the coil of wire are connected, and the other end of wire runs through to the outside of tailstock.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221315214.4U CN217935241U (en) | 2022-05-27 | 2022-05-27 | Low-cost sound wave motor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221315214.4U CN217935241U (en) | 2022-05-27 | 2022-05-27 | Low-cost sound wave motor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217935241U true CN217935241U (en) | 2022-11-29 |
Family
ID=84177681
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202221315214.4U Active CN217935241U (en) | 2022-05-27 | 2022-05-27 | Low-cost sound wave motor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217935241U (en) |
-
2022
- 2022-05-27 CN CN202221315214.4U patent/CN217935241U/en active Active
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