CN204030896U - A kind of dither motor - Google Patents
A kind of dither motor Download PDFInfo
- Publication number
- CN204030896U CN204030896U CN201420475393.7U CN201420475393U CN204030896U CN 204030896 U CN204030896 U CN 204030896U CN 201420475393 U CN201420475393 U CN 201420475393U CN 204030896 U CN204030896 U CN 204030896U
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- shell
- silicon steel
- magnetic block
- motor
- rear end
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Abstract
The utility model discloses a kind of dither motor, comprise shell, front end housing and rear end cap, the inside of shell is provided with and is made up of two stator modules and a rotor assembly, two stator modules are resisted against on two inwalls up and down of shell, rotor assembly comprises assembling all-in-one-piece motor shaft, magnetic block, tailing axle and two cover plates, stator module comprises the silicon steel sheet of U-shaped, the bobbin of coil copper wire and two U-shapeds, two bobbins are stuck in the rear and front end of silicon steel sheet, coil copper cash is around between two bobbins, rotor assembly is arranged between the U-type groove of two silicon steel sheets, compared with prior art, the utility model 1) rotor assembly is between two stator modules, and can there is high-frequency conversion in N pole and the S pole of magnetic block, small size high-frequent reciprocating occurs and swings, 2) two cover plates adopt magnetic material to make, to the amplification successful of vibration, 3) tailing axle is arranged on elastic shaft, to the amplification successful of vibration.
Description
Technical field
The utility model belongs to micromachine technical field, particularly relates to a kind of dither motor.
Background technology
Micromachine is very common in the industry, particularly in electronic daily electrical home appliance, be particularly used in electric toothbrush, at present in electric toothbrush, be all adopt micromachine to drive eccentric wheel or cam axle, make the vibration of the head toothbrushes generation high frequency be arranged on axle.
Summary of the invention
The utility model, for deficiency of the prior art, provides a kind of dither motor of magnetic drive.
In order to solve the problems of the technologies described above, the utility model is solved by following technical proposals: a kind of dither motor, comprise the shell of the rectangular column type of a hollow, the two ends of described shell are respectively arranged with front end housing and rear end cap, the inside of described shell is provided with the vibrating mechanism be made up of two stator modules and a rotor assembly, stator module described in two is resisted against on two inwalls up and down of shell, described rotor assembly comprises assembling all-in-one-piece motor shaft, magnetic block, tailing axle and two cover plates, described magnetic block is arranged on the center of described shell, described motor shaft is arranged on the front side of described magnetic block and is connected with described front end housing, described tailing axle is arranged on the rear side of described magnetic block, and be arranged in described rear end cap, described cover plate is arranged on the both sides up and down of magnetic block, and be fixed between described motor shaft and described tailing axle, described stator module comprises the silicon steel sheet of U-shaped, the bobbin of coil copper wire and two U-shapeds, bobbin described in two is stuck in the rear and front end of described silicon steel sheet, described rotor assembly is arranged between the U-type groove of the silicon steel sheet described in two.
The rear end of described tailing axle is provided with an elastic shaft, the other end of described elastic shaft is provided with a multiaspect scapus, described rear end cap is provided with a pilot hole matched with described multiaspect scapus.
The rear end of described motor shaft and the front end of described tailing axle are provided with flat end, and the cross-sectional aspect of described flat end is consistent with the cross-sectional aspect of described magnetic block, and the cover plate described in two pieces is fixed on the two sides up and down of two flat ends.
Described front end housing comprises a front end face and former and later two side plates, the center of described front end face is provided with motor hole, described motor shaft is arranged in described motor hole, described side plate is resisted against on former and later two inwalls of described shell, described side plate is provided with a protecgulum insertion rod, described protecgulum insertion rod is clamped by the silicon steel sheet described in upper and lower two.
Described rear end cap comprises a rear end face and former and later two end cap side plates, described pilot hole is arranged on the center of described rear end face, described end cap side plate is resisted against on former and later two inwalls of described shell, described end cap side plate is provided with a bonnet insertion rod, described bonnet insertion rod is clamped by the silicon steel sheet described in upper and lower two.
The front end of described motor shaft is provided with the otch of assembling.
The advantage of the utility model structure is: 1) employ Magnetic driving technology, rotor assembly is between two stator modules, after logical daily alternating current, high-frequency conversion can be there is in N pole and the S pole of magnetic block, make stator module generation high-frequency left and right reciprocally swinging by a small margin, form vibration, amplitude of fluctuation is between 1 degree to 5 degree; 2) two cover plates adopt magnetic material to make, to the amplification successful of vibration; 3) tailing axle is arranged on elastic shaft, Polyhedral post has been installed in one end of elastic shaft, and Polyhedral post plugging in fitting can not rotate in hole, to the amplification successful of vibration.
Accompanying drawing explanation
Fig. 1 is structural representation of the present utility model.
Fig. 2 is product explosive view of the present utility model.
Embodiment
Be described in further detail the utility model below in conjunction with accompanying drawing and embodiment: as shown in Figure 1 to Figure 2, in figure, mark is as follows: shell 1, front end housing 2, front end face 2A, side plate 2B, motor hole 2C, protecgulum insertion rod 2D, rear end cap 3, pilot hole 3A, rear end face 3B, end cap side plate 3C, bonnet insertion rod 3D, stator module A, rotor assembly B, motor shaft 4, flat end 4A, otch 4B, magnetic block 5, tailing axle 6, cover plate 7, silicon steel sheet 8, coil copper wire 9, bobbin 10, elastic shaft 11, multiaspect scapus 12, bearing 13.
A kind of dither motor, mainly be used in electronic commodity, it comprises the shell 1 of the rectangular column type of a hollow, the two ends of shell 1 are respectively arranged with front end housing 2 and rear end cap 3, the inside of shell 1 is provided with by a two stator module A and vibrating mechanism that rotor assembly B forms, two stator module A are resisted against on two inwalls up and down of shell 1, rotor assembly B comprises assembling all-in-one-piece motor shaft 4, magnetic block 5, tailing axle 6 and two cover plates 7, magnetic block 5 is arranged on the center of shell 1, motor shaft 4 is arranged on the front side of magnetic block 5 and is connected with front end housing 2, tailing axle 6 is arranged on the rear side of magnetic block 5, and be arranged in rear end cap 3, cover plate 7 is arranged on the both sides up and down of magnetic block 5, and be fixed between motor shaft 4 and tailing axle 6, stator module A comprises the silicon steel sheet 8 of U-shaped, the bobbin 10 of coil copper wire 9 and two U-shapeds, two bobbins 10 are stuck in the rear and front end of silicon steel sheet 8, and be provided with set bolt, rotor assembly B is arranged between the U-type groove of two silicon steel sheets 8, the gap of rotor assembly B activity is left in centre.
Rotor assembly B is between two stator module A, after logical daily alternating current, high-frequency conversion can be there is in N pole and the S pole of magnetic block, make stator module generation high-frequency left and right reciprocally swinging by a small margin, form vibration, amplitude of fluctuation between 1 degree to 5 degree, generally about 2 degree, swing process in.
The rear end of tailing axle 6 is provided with an elastic shaft 11, the other end of elastic shaft 11 is provided with a multiaspect scapus 12, is generally cuboid, rear end cap 3 is provided with a pilot hole 3A matched with multiaspect scapus 12, be generally square opening, when tailing axle rotates clockwise, elastic shaft by clockwise distortion, when tailing axle rotates counterclockwise, the elastic shaft be twisted can provide power to tailing axle, to the rotation of stator module, there is amplification effect, in order to reduce friction, tailing axle being also arranged with bearing 13.
The rear end of motor shaft 4 and the front end of tailing axle 6 are provided with flat end 4A, the cross-sectional aspect of flat end 4A is consistent with the cross-sectional aspect of magnetic block 5, two cover plates 7 is fixed on the two sides up and down of two flat end 4A, welding manner can be adopted, also the mode be screwed can be adopted, magnetic block is arranged between two flat end 4A, and leaves movable space.
Front end housing 2 comprises a front end face 2A and former and later two side plates 2B, the center of front end face 2A is provided with motor hole 2C, motor shaft 4 is arranged in the 2C of motor hole, side plate 2B is resisted against on former and later two inwalls of shell 1, side plate 2B is provided with a protecgulum insertion rod 2D, and protecgulum insertion rod 2D is clamped by upper and lower two silicon steel sheets 8, during assembling, protecgulum insertion rod 2D squeezes between two silicon steel sheets, makes stator module to be tightly pressed on the inwall of shell, can not shake.
Rear end cap 3 comprises a rear end face 3B and former and later two end cap side plates 3C, pilot hole 3A is arranged on the center of rear end face 3B, end cap side plate 3C is resisted against on former and later two inwalls of shell 1, end cap side plate 3C is provided with a bonnet insertion rod 3D, bonnet insertion rod 3D is clamped by upper and lower two silicon steel sheets 8, and during assembling, bonnet insertion rod 3D squeezes between two silicon steel sheets, make stator module to be tightly pressed on the inwall of shell, can not shake.
Generally, protecgulum insertion rod 2D and bonnet insertion rod 3D is on same straight line, with the use of, make stator module to be tightly pressed on the inwall of shell, can not shake.
The front end of motor shaft 4 is provided with the otch 4B of assembling, in order to reduce friction, motor shaft is arranged with bearing.
Cover plate 7 is made for magnetic material, has amplification effect.
Claims (6)
1. a dither motor, comprise the shell (1) of the rectangular column type of a hollow, the two ends of described shell (1) are respectively arranged with front end housing (2) and rear end cap (3), it is characterized in that: the inside of described shell (1) is provided with the vibrating mechanism be made up of two stator modules (A) and a rotor assembly (B), stator module (A) described in two is resisted against on two inwalls up and down of shell (1), described rotor assembly (B) comprises assembling all-in-one-piece motor shaft (4), magnetic block (5), tailing axle (6) and two cover plates (7), described magnetic block (5) is arranged on the center of described shell (1), described motor shaft (4) is arranged on the front side of magnetic block (5) and is connected with described front end housing (2), described tailing axle (6) is arranged on the rear side of described magnetic block (5), and be arranged in described rear end cap (3), described cover plate (7) is arranged on the both sides up and down of magnetic block (5), and be fixed between described motor shaft (4) and described tailing axle (6), described stator module (A) comprises the silicon steel sheet (8) of U-shaped, the bobbin (10) of coil copper wire (9) and two U-shapeds, bobbin (10) described in two is stuck in the rear and front end of described silicon steel sheet (8), described rotor assembly (B) is arranged between the U-type groove of the silicon steel sheet (8) described in two.
2. dither motor as claimed in claim 1, it is characterized in that: the rear end of described tailing axle (6) is provided with an elastic shaft (11), the other end of described elastic shaft (11) is provided with a multiaspect scapus (12), described rear end cap (3) is provided with a pilot hole (3A) matched with described multiaspect scapus (12).
3. dither motor as claimed in claim 1, it is characterized in that: the rear end of described motor shaft (4) and the front end of described tailing axle (6) are provided with flat end (4A), the cross-sectional aspect of described flat end (4A) is consistent with the cross-sectional aspect of described magnetic block (5), and the cover plate (7) described in two pieces is fixed on the two sides up and down of two flat ends (4A).
4. dither motor as claimed in claim 1, it is characterized in that: described front end housing (2) comprises a front end face (2A) and former and later two side plates (2B), the center of described front end face (2A) is provided with motor hole (2C), described motor shaft (4) is arranged in described motor hole (2C), described side plate (2B) is resisted against on former and later two inwalls of described shell (1), described side plate (2B) is provided with a protecgulum insertion rod (2D), described protecgulum insertion rod (2D) is by silicon steel sheet (8) clamping described in upper and lower two.
5. dither motor as claimed in claim 1, it is characterized in that: described rear end cap (3) comprises a rear end face (3B) and former and later two end cap side plates (3C), described pilot hole (3A) is arranged on the center of described rear end face (3B), described end cap side plate (3C) is resisted against on former and later two inwalls of described shell (1), described end cap side plate (3C) is provided with a bonnet insertion rod (3D), described bonnet insertion rod (3D) is by silicon steel sheet (8) clamping described in upper and lower two.
6. dither motor as claimed in claim 3, is characterized in that: the front end of described motor shaft (4) is provided with the otch (4B) of assembling.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420475393.7U CN204030896U (en) | 2014-08-22 | 2014-08-22 | A kind of dither motor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420475393.7U CN204030896U (en) | 2014-08-22 | 2014-08-22 | A kind of dither motor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204030896U true CN204030896U (en) | 2014-12-17 |
Family
ID=52070723
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420475393.7U Active CN204030896U (en) | 2014-08-22 | 2014-08-22 | A kind of dither motor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204030896U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104143890A (en) * | 2014-08-22 | 2014-11-12 | 宁波赛嘉电器有限公司 | High-frequency vibration motor |
| DE102015108207A1 (en) * | 2015-01-27 | 2016-07-28 | Ningbo Seago Electric Co., Ltd. | ENGINE |
-
2014
- 2014-08-22 CN CN201420475393.7U patent/CN204030896U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104143890A (en) * | 2014-08-22 | 2014-11-12 | 宁波赛嘉电器有限公司 | High-frequency vibration motor |
| CN104143890B (en) * | 2014-08-22 | 2016-08-17 | 宁波赛嘉电器有限公司 | A kind of dither motor |
| DE102015108207A1 (en) * | 2015-01-27 | 2016-07-28 | Ningbo Seago Electric Co., Ltd. | ENGINE |
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| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |