CN207977801U - A kind of sound wave motor of rotation bias shaft - Google Patents
A kind of sound wave motor of rotation bias shaft Download PDFInfo
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- CN207977801U CN207977801U CN201820445047.2U CN201820445047U CN207977801U CN 207977801 U CN207977801 U CN 207977801U CN 201820445047 U CN201820445047 U CN 201820445047U CN 207977801 U CN207977801 U CN 207977801U
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- shaft
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- steel sheet
- limiting
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Abstract
The utility model provides a kind of sound wave motor of rotation bias shaft, belong to motor field, including casing, it is set to the drive end bearing bracket and rear end cap at casing both ends, the rotor coordinated with shaft is equipped in casing, shaft both ends are fixed by bearing and drive end bearing bracket and rear end cap, and shaft is through rotor and shaft both ends are through drive end bearing bracket and rear end cap；Casing inner wall is fixed with stator；Rotor includes rotor silicon steel sheet group and magnetite, rotor silicon steel sheet group is formed by stacking by several rotor silicon steel sheets and is set in shaft, rotor silicon steel sheet group both ends are equipped with the limiting iron for limiting magnetite, and four magneto cards form two pairs of NS magnetic poles loaded in outer peripheral four limiting slots of limiting iron（Double magnetic poles）；Shaft front is equipped with the flat table top for being parallel to the flat table top in the rear part, and the middle through-hole of limiting iron and the endoporus of rotor silicon steel sheet are equipped with the plane with the flat table top cooperation in shaft front.The motor has the advantages that shaft position is accurate, consistency stability is good, torque is big, homework precision is high.
Description
Technical field
The utility model belongs to technical field of motors, is to be related to a kind of sound wave of rotation bias shaft more specifically
Motor.
Background technology
Currently, electric toothbrush in the market mostly uses conventional motors greatly and the mode of eccentric wheel cooperation realizes toothbrush handle
Vibrations have the function that clean tooth.Since this motor is there are some design defect, it is fixed that shaft is fixed on by when assembling first
On the jig of position, then silicon steel sheet group is sleeved in shaft, then again in shaft front（Rotor silicon steel sheet group front）It is riveted limit
Position iron, due to there is no flat fool proof between silicon steel sheet group, limiting iron and shaft, thus rotating shaft position low precision, stability are poor, one
Cause property is poor, and operation technique stability difference and precision are low.
Utility model content
The purpose of this utility model is to provide a kind of sound wave motors of rotation bias shaft, to solve in the prior art
There is technical issues that motor torque is small, stability is poor, the poor, shaft position of cause property.
To achieve the above object, the technical solution adopted in the utility model is：A kind of sound of rotation bias shaft is provided
Wave motor, including casing, the drive end bearing bracket and rear end cap that are set to the casing both ends are equipped in the casing and to coordinate with shaft
Rotor, the shaft both ends are fixed by bearing and the drive end bearing bracket and rear end cap, and the shaft runs through rotor and shaft both ends
Through the drive end bearing bracket and rear end cap, the rear end of the shaft extends to outside rear end cap and its end is equipped with and matches with eccentric wheel
Flat closed, it is characterised in that：The inner wall of the casing is fixed with stator；The rotor includes rotor silicon steel sheet group and magnetic
Stone, rotor silicon steel sheet group are formed by stacking by several rotor silicon steel sheets and are set in the shaft, the rotor silicon steel sheet group
Both ends are equipped with the limiting iron for limiting fixed magnetite, and the middle part of the limiting iron is equipped with the through-hole coordinated with the shaft, institute
The outer edge for stating limiting iron is set there are four limiting slot, and four magnetites are respectively arranged in four limiting slots；The front of the shaft
Equipped with the flat table top for being parallel to the flat table top in the rear part, the middle through-hole of the limiting iron and the endoporus of rotor silicon steel sheet be equipped with
The plane of the flat table top cooperation in shaft front.
Further, the stator of U-shaped is equipped between the drive end bearing bracket and rear end cap, the rotor is set to the stator
In U-lag.
Further, the stator includes stator silicon steel plate group, line packet and two rolls, the stator silicon steel plate group by
Several stator silicon steel plates are formed by stacking, and the stator silicon steel plate group is U-shaped, and it is described fixed that two rolls are installed in respectively
The horizontal part at the both ends of sub- silicon steel sheet group, the roll constitutes winding space, and the wrapped coiling for being wound into the roll is empty
In.
Further, two open ends opposite side of the stator silicon steel plate group is equipped with arc groove.
The advantageous effect of the sound wave motor of rotation bias shaft provided by the utility model is：With prior art phase
Than the sound wave motor of the utility model rotation bias shaft will be outside rotor silicon steel sheet by four limiting slots at limiting iron edge
The magnetite in portion is divided into four, forms two pairs of NS magnetic poles（Double magnetic poles）；Shaft front is equipped with and is parallel to the flat table top in the rear part simultaneously
Flat table top, the middle through-hole of limiting iron and the endoporus of rotor silicon steel sheet are equipped with the plane with the flat table top cooperation in shaft front, make
Assembly jig is unrelated, fully relies on the material accuracy guarantee of itself, has that shaft position is accurate, consistency relative to existing motor
The advantage good, stability is good, torque is big, homework precision is high.
Description of the drawings
It, below will be to embodiment or the prior art in order to illustrate more clearly of the technical scheme in the embodiment of the utility model
Attached drawing needed in description is briefly described, it should be apparent that, the accompanying drawings in the following description is only that this practicality is new
Some embodiments of type for those of ordinary skill in the art without having to pay creative labor, can be with
Obtain other attached drawings according to these attached drawings.
Fig. 1 is a kind of structural schematic diagram of the sound wave motor for rotation bias shaft that the utility model embodiment provides；
Fig. 2 is that a kind of sound wave motor for rotation bias shaft that the utility model embodiment provides removes casing and rear end
The structural schematic diagram of lid；
Fig. 3 is the structural schematic diagram of shaft in Fig. 2；
Fig. 4 is the structural schematic diagram of limiting iron in Fig. 2；
Fig. 5 is the structural schematic diagram of rotor silicon steel sheet in Fig. 2；
Fig. 6 is the structural schematic diagram of Fig. 2 center line packets；
Fig. 7 is the structural schematic diagram of stator silicon steel plate in Fig. 2；
Fig. 8 is the cooperation schematic diagram of magnetite and rotor silicon steel sheet in the prior art；
Fig. 9 is the schematic diagram of limiting iron in the prior art；
Wherein, each reference numeral in figure：
1- casings, 2- drive end bearing brackets, 3- rear end caps, 4- shafts, 5- bearings, 6- rotor silicon steel sheet groups, 7- magnetites, 8- limits
Iron, 9- through-holes, 10- limiting slots, 11- planes, 12- stator silicon steel plate groups, 13- line packets, 14- rolls, 15- rectangular openings, 16- arcs
Shape slot, the flat table top in 40- axis front, 60- rotor silicon steel sheets,
120- stator silicon steel plates.
Specific implementation mode
In order to make technical problem to be solved in the utility model, technical solution and advantageous effect be more clearly understood, with
Lower combination accompanying drawings and embodiments, the present invention will be further described in detail.It should be appreciated that specific reality described herein
It applies example to be only used to explain the utility model, is not used to limit the utility model.
Also referring to Fig. 1-5, now the sound wave motor of rotation bias shaft provided by the utility model is illustrated.
A kind of sound wave motor of rotation bias shaft, including casing 1, the drive end bearing bracket 2 and rear end cap 3 that are set to 1 both ends of the casing,
The rotor coordinated with shaft 4 is equipped in the casing 1,4 both ends of the shaft pass through bearing 5 and the drive end bearing bracket 2 and rear end cap 3
Fixed, the shaft 4 is through rotor and 4 both ends of shaft are through the drive end bearing bracket 2 and rear end cap 3, and the rear end of the shaft 4 is prolonged
It extends to outside rear end cap and its end and is equipped with flat coordinated with eccentric wheel；The inner wall of the casing 1 is fixed with stator；
The rotor includes rotor silicon steel sheet group 6 and magnetite 7, and four magnetites are respectively two outer N magnetites and two outer S magnetites, two
The identical magnetite of magnetite polarity is adjacent and identical with two further pairs polarity magnetite is corresponding, forms two pairs of NS magnetic poles（Double magnetic
Pole）；Rotor silicon steel sheet group 6 is formed by stacking by several rotor silicon steel sheets 60 and is set in the shaft 4；The rotor silicon steel
6 both ends of piece group are equipped with the limiting iron 8 for limiting the fixed magnetite 7, and the middle part of the limiting iron 8 is equipped with and the shaft 4
The outer edge of the through-hole 9 of cooperation, the limiting iron 8 is set there are four limiting slot 10, and four magnetites 7 are respectively arranged at four limiting slots
In 10；
The front of the shaft 4 is equipped with the flat table top 40 for being parallel to the flat table top in the rear part, the middle through-hole of the limiting iron 8
9 and the endoporus of rotor silicon steel sheet 60 be equipped with the plane 11 coordinated with the flat table top 40 in front in the shaft 4.It is first when assembling
The flat table top in front of shaft is first fixed with localization tool, then turns the endoporus planar registration of limiting iron and rotor silicon steel sheet group
The flat table top in axis front is sequentially sleeved in shaft, then other end limiting iron is inserted in shaft, is finally sequentially loaded into four magnetites
In four limiting slots of limiting iron.Due to there is flat table top fool proof between silicon steel sheet group, limiting iron and shaft, thus assembly precision with
Installation jig is unrelated.
A kind of sound wave motor of rotation bias shaft provided by the utility model has structure compared with prior art
Simply, the good advantage of vibrating effect can be divided the magnetite outside rotor silicon steel sheet by four limiting slots at limiting iron edge
It is four, forms two couples of NS（Double magnetic poles）, while shaft front is equipped with the flat table top for being parallel to the flat table top in the rear part, limiting iron
The endoporus of middle through-hole and rotor silicon steel sheet is equipped with the plane with the flat table top cooperation in shaft front, keeps assembly jig unrelated,
The material accuracy guarantee for fully relying on itself, relative to existing motor with shaft position is accurate, consistency is good, stability is good, turns
The advantage that square is big, homework precision is high.
Further, referring to Fig. 2, as a kind of sound wave motor of rotation bias shaft provided by the utility model
A kind of specific implementation mode, is equipped with the stator of U-shaped between the drive end bearing bracket 2 and rear end cap 3, the rotor is set to the stator
U-lag in.The NS of magnetite extremely can generate the polymerization magnetic field with angle with respect to the structure stator, and rotatory force is greatly improved
Square.
Further, also referring to Fig. 2,6,7, as a kind of sound of rotation bias shaft provided by the utility model
A kind of specific implementation mode of wave motor, the stator include stator silicon steel plate group 12, line packet 13 and two rolls 14, described
Stator silicon steel plate group 12 is formed by stacking by several stator silicon steel plates 120, the stator silicon steel plate group be U-shaped, described in two around
Spool 14 is installed in the both ends of the stator silicon steel plate group 12 respectively, and the horizontal part of the roll 14 constitutes winding space, around
Packet 13 is wound into the winding space of the roll.
Further, also referring to Fig. 2,7, as a kind of sound wave of rotation bias shaft provided by the utility model
Two open ends opposite side of a kind of specific implementation mode of motor, the stator silicon steel plate 120 is equipped with arc groove 16.Arc groove
Corresponding magnetite setting, generation be with the great magnetic fields that polymerize for having angle NS, rotating torque is big.
In conclusion the utility model has two pairs of magnetic poles（Double magnetic poles）, while shaft front is equipped with and is parallel to the rear part
The flat table top of flat table top, the middle through-hole of limiting iron and the endoporus of rotor silicon steel sheet are equipped with and the flat table top cooperation in shaft front
Plane.Generate the advantage that shaft position is accurate, consistency is good, stability is good, torque is big, homework precision is high.This structural electromotor exists
Static retention forces, rotor by not being retained in center equilbrium position always when external force.The utility model is applied to Electrokinetic Sonic toothbrush
Or the product of other available sound wave motors.
The above is only the preferred embodiment of the utility model only, is not intended to limit the utility model, all at this
All any modification, equivalent and improvement etc., should be included in the utility model made by within the spirit and principle of utility model
Protection domain within.
Claims (4)
1. a kind of sound wave motor of rotation bias shaft, including casing, be set to the casing both ends drive end bearing bracket and rear end
Lid, the casing is interior to be equipped with the rotor coordinated with shaft, and the shaft both ends are solid by bearing and the drive end bearing bracket and rear end cap
Fixed, the shaft is through rotor and shaft both ends are through the drive end bearing bracket and rear end cap, and the rear end of the shaft is extended to rear
Outside end cap and its end is equipped with flat coordinated with eccentric wheel, it is characterised in that：The inner wall of the casing is fixed with fixed
Son；The rotor includes rotor silicon steel sheet group and magnetite, and rotor silicon steel sheet group is formed by stacking and is covered by several rotor silicon steel sheets
Loaded in the shaft, the rotor silicon steel sheet group both ends are equipped with the limiting iron for limiting fixed magnetite, the limiting iron
Middle part is equipped with the through-hole coordinated with the shaft, and the outer edge of the limiting iron is set there are four limiting slot, and four magnetites are set respectively
It is placed in four limiting slots；The front of the shaft, which is equipped with, is parallel to the flat table top of the flat table top in the rear part, in the limiting iron
The endoporus of portion's through-hole and rotor silicon steel sheet is equipped with the plane with the flat table top cooperation in shaft front.
2. a kind of sound wave motor of rotation bias shaft as described in claim 1, it is characterised in that：The drive end bearing bracket is with after
The stator of U-shaped is equipped between end cap, the rotor is set in the U-lag of the stator.
3. a kind of sound wave motor of rotation bias shaft as claimed in claim 2, it is characterised in that：The stator includes fixed
Sub- silicon steel sheet group, line packet and two rolls, the stator silicon steel plate group is formed by stacking by several stator silicon steel plates, described fixed
Sub- silicon steel sheet group is U-shaped, and two rolls are installed in the both ends of the stator silicon steel plate group, the water of the roll respectively
Flat portion constitutes winding space, wrapped to be wound into the winding space of the roll.
4. a kind of sound wave motor of rotation bias shaft as claimed in claim 3, it is characterised in that：The stator silicon steel plate
Two open ends opposite side of group is equipped with arc groove.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820445047.2U CN207977801U (en) | 2018-03-31 | 2018-03-31 | A kind of sound wave motor of rotation bias shaft |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820445047.2U CN207977801U (en) | 2018-03-31 | 2018-03-31 | A kind of sound wave motor of rotation bias shaft |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207977801U true CN207977801U (en) | 2018-10-16 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820445047.2U Active CN207977801U (en) | 2018-03-31 | 2018-03-31 | A kind of sound wave motor of rotation bias shaft |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207977801U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109586535A (en) * | 2018-12-30 | 2019-04-05 | 东莞市维斗科技股份有限公司 | A kind of structure improved sound wave motor |
-
2018
- 2018-03-31 CN CN201820445047.2U patent/CN207977801U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109586535A (en) * | 2018-12-30 | 2019-04-05 | 东莞市维斗科技股份有限公司 | A kind of structure improved sound wave motor |
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