CN204721197U - The rotatable linear voice coil motor of a kind of mover - Google Patents
The rotatable linear voice coil motor of a kind of mover Download PDFInfo
- Publication number
- CN204721197U CN204721197U CN201520458454.3U CN201520458454U CN204721197U CN 204721197 U CN204721197 U CN 204721197U CN 201520458454 U CN201520458454 U CN 201520458454U CN 204721197 U CN204721197 U CN 204721197U
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- China
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- voice coil
- coil motor
- mover
- column body
- middle column
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Abstract
The utility model discloses the rotatable linear voice coil motor of a kind of mover, the mover comprising stator and can move along stator shaft orientation and can rotate around stator shaft orientation, described mover is provided with the input be connected with external connection power and the output be connected with motion; Linear voice coil motor of the present utility model, relative to prior art, not only achieve voice coil motor and do rectilinear motion, voice coil motor mover also can be made to rotate, and the motion driving middle column body lower end to connect rotates, the utility model has the advantage such as easy accessibility, standardized production simultaneously.
Description
Technical field
The utility model belongs to voice coil motor field, is specifically related to the rotatable linear voice coil motor of a kind of mover.
Background technology
The operation principle of voice coil motor is the Lorentz force utilizing energized conductor to produce in magnetic field, and by changing sense of current, the mover realizing voice coil motor does straight line back and forth movement.Traditional electric rotating machine of comparing realizes rectilinear motion by mechanical mechanism conversion, and voice coil motor has the advantages such as high response, high acceleration, high speed.
Voice coil motor is divided into linear voice coil motor and rotary voice coil motor, and existing linear voice coil motor only considered the function realizing rectilinear motion, but nearly all have ignored designed structure and also can realize rotary motion; Owing to there is no the connection of mechanical structure between voice coil motor mover and stator, so need to increase the auxiliary axis of guide to realize moving without friction linear of mover relative stator, to such an extent as to very large difficulty is brought to its assembling.
Utility model content
The deficiency of prior art existence in view of the above, the purpose of this utility model is to provide a kind of mover rotatable voice coil motor, relative to prior art, the utility model not only achieves voice coil motor moving linearly, voice coil motor mover also can be made to rotate, and the motion driving middle column body lower end to connect rotates, also there is the advantage of easy accessibility simultaneously.
For achieving the above object, the utility model is achieved through the following technical solutions:
The rotatable linear voice coil motor of a kind of mover, it is characterized in that: the mover comprising stator He can move along stator shaft orientation and can rotate around stator shaft orientation, described mover is provided with the input be connected with external connection power and the output be connected with motion.
Further, the described mover set of permanent magnets that comprises housing, be located at the middle column body in housing and be located in middle column body; The enameled wire loop that described stator comprises supporter and is closely wound on supporter; The cannelure for inserting supporter is provided with between described housing and middle column body.
Further, described middle column body is solid cylinder.
Further, described set of permanent magnets is at least two groups, and described set of permanent magnets comprises at least one annular permanent magnet.
Further, described middle column body is also provided with the ring bodies I for fixed permanent magnet group.
Further, described middle column body is also provided with the ring bodies II for separating each set of permanent magnets.
Further, the side of described supporter is provided with coil groove and trough; The top of described supporter is provided with the ventilation hole for voice coil motor inner air flow; The quantity of described coil groove is suitable with the group number of set of permanent magnets.
Further, described input is provided with rotating shaft, and one end of described rotating shaft is fixedly connected with middle column body by screw, and the other end is provided with the spline tooth be connected with external connection power; Described output is provided with connecting axle.
Further, described housing, middle column body, ring bodies I and ring bodies II are the magnet steel that magnetic conductive material is made; Described rotating shaft is that non-magnet_conductible material is made.
Further, the shape of described spline tooth is in-line or cross or oval or regular polygon.
The utility model has the advantage of:
1, the utility model linear voice coil motor not only achieves voice coil motor and does rectilinear motion, and the motion that voice coil motor mover lower end also can be made to connect rotates.
2, the middle column body of the utility model linear voice coil motor design directly and housing form mover, do not need therebetween to increase intermediate connecting part again, there is easy accessibility, the advantages such as standardized production.
3, the middle column body of the utility model linear voice coil motor is solid, contributes to increasing magnetic flux, thus increases exerting oneself and the rigidity of voice coil motor mover of voice coil motor.
Other advantages of the present utility model, target and feature will be set forth to a certain extent in the following description, and to a certain extent, based on will be apparent to those skilled in the art to investigating hereafter, or can be instructed from practice of the present utility model.Target of the present utility model and other advantages can be realized by specification below and obtain.
Accompanying drawing explanation
Fig. 1 is section of structure of the present utility model;
Fig. 2 is the perspective view of mover;
Fig. 3 is the profile of Fig. 2;
Fig. 4 is the perspective view of supporter.
Embodiment
Below with reference to accompanying drawing, preferred embodiment of the present utility model is described in detail; Should be appreciated that preferred embodiment only in order to the utility model is described, instead of in order to limit protection range of the present utility model.
As shown in the figure, the rotatable linear voice coil motor of a kind of mover, the mover comprising stator He can move along stator shaft orientation and can rotate around stator shaft orientation, described mover is provided with the input be connected with external connection power and the output be connected with motion.The utility model not only achieves voice coil motor and does rectilinear motion, and the motion that voice coil motor mover lower end also can be made to connect rotates.
In the present embodiment, the set of permanent magnets 3 that described mover comprises housing 1, is located at the middle column body 2 in housing and is located in middle column body; Described stator comprises supporter 6 and is closely wound on the enameled wire loop 7 on supporter; The cannelure for inserting supporter is provided with between described housing and middle column body.
Concrete, described housing, middle column body, supporter are cylindrical, and are provided with the cannelure for inserting supporter between housing and middle column body, so that mover can do axial linear movement and radial rotary motion relative to stator; In this example, the lower bottom part of described housing offers stepped through hole, the lower end of described middle column body is provided with the halfpace matched with described through hole, namely middle column body is inserted from the stairstepping through hole of housing bottom, the halfpace of middle column body lower end is embedded in housing and closely cooperates, make housing and middle column body form an entirety, have and assemble firmly and the advantage of easy accessibility.
In the present embodiment, described middle column body is solid cylinder, contributes to increasing magnetic flux, thus increases exerting oneself and the rigidity of voice coil motor mover of voice coil motor.
In the present embodiment, described set of permanent magnets is at least two groups, and described set of permanent magnets comprises at least one annular permanent magnet; Described middle column body is also provided with the ring bodies I 4 for fixed permanent magnet group; Described middle column body is also provided with the ring bodies II 5 for separating each set of permanent magnets.
Concrete, the group number of described set of permanent magnets is even number, and polarity between each set of permanent magnets is contrary, to form closed magnetic field; Meanwhile, the magnetic field that set of permanent magnets is formed is the radial magnetic field of the axial direction to middle column body, and namely the magnetizing direction of set of permanent magnets is radial, its inside be N extremely outside for S pole or inner for S extremely outside be N pole; In this example, the quantity of set of permanent magnets is two groups, the annular permanent magnet quantity that single group set of permanent magnets comprises is two, and the set of permanent magnets being positioned at middle column body hypomere is inner is N pole for S is extremely outside, the set of permanent magnets of epimere is inner is S pole for N is extremely outside, and ring bodies II is settled between the set of permanent magnets that bipolarity is contrary, also make the height summation of two set of permanent magnets, ring bodies I and ring bodies II identical with the degree of depth of enclosure interior.
In the present embodiment, the side of described supporter is provided with coil groove 62 and trough 63; The top of described supporter is provided with the ventilation hole 61 for voice coil motor inner air flow; The quantity of described coil groove is suitable with the group number of set of permanent magnets.
Concrete, in described two coil grooves, enameled wire loop coiling direction is contrary, and its upper end trough is enameled wire loop turnover wire casing, and lower end trough is the Wire connection slot of upper and lower two coil grooves; Described ventilation hole is at least one, contributes to air-flow and better circulates, to reduce the resistance between air; In this example, ventilation hole is 2.
In the present embodiment, described input is provided with rotating shaft 8, and one end of described rotating shaft is fixedly connected with middle column body by screw 9, thus is fixed together with mover; The other end is provided with the spline tooth be connected with external connection power, thus drives the motion of mover lower end to rotate by external connection power; Described output is provided with connecting axle 10; In this example, connecting axle is a middle column body output part on the whole, i.e. the outstanding position of middle column body lower end, therefore, does not need to increase auxiliary intermediate fitting, decreases the complexity of assembling.
In the present embodiment, described housing, middle column body, ring bodies I and ring bodies II are the magnet steel that magnetic conductive material is made, and are beneficial to magnetic field conducting; And described rotating shaft to be non-magnet_conductible material make, avoid disperseing magnetic flux, thus reduce exerting oneself of voice coil motor.
In the present embodiment, the shape of described spline tooth is in-line or cross or oval or regular polygon.In this example, the form of described spline tooth adopts in-line.
The rotatable linear voice coil motor of a kind of mover that the utility model provides, can realize assembling by following operation principle, and be realized rectilinear motion and the rotary motion of voice coil motor by this simple and easy assembling mode, concrete installation step is:
S1 middle column body is inserted from the through hole of housing lower end, makes both agree with position by stairstepping and closely cooperates;
S2 puts into the contrary set of permanent magnets of bipolarity successively by the upper end of middle column body, and settles ring bodies II between them, and makes set of permanent magnets form closed radial magnetic field;
Set of permanent magnets is fixedly connected in middle column body by ring bodies I by S3, and makes the top of housing, middle column body, ring bodies I in same level;
Rotating shaft is fixedly mounted on the top of middle column body by S4 by screw, make housing, middle column body, set of permanent magnets and rotating shaft form a moving whole;
Enameled wire loop is closely wound in the wire casing on supporter by S5;
The supporter being wound with enameled wire loop inserts in the cannelure between housing and set of permanent magnets by S6.
Finally, during by accessing forward and reverse electric current to stator, the mover that can realize voice coil motor makes axial rectilinear motion relative to stator; And by being connected on the whirligig in rotating shaft outward, the mover that can realize voice coil motor does radial rotary motion relative to stator.
What finally illustrate is, above preferred embodiment is only in order to illustrate the technical solution of the utility model and unrestricted, although be described in detail the utility model by above preferred embodiment, but those skilled in the art are to be understood that, various change can be made to it in the form and details, and not depart from the utility model claims limited range.
Claims (10)
1. the rotatable linear voice coil motor of mover, is characterized in that: the mover comprising stator He can move along stator shaft orientation and can rotate around stator shaft orientation, and described mover is provided with the input be connected with external connection power and the output be connected with motion.
2. the rotatable linear voice coil motor of mover according to claim 1, is characterized in that: the set of permanent magnets that described mover comprises housing, is located at the middle column body in housing and is located in middle column body; The enameled wire loop that described stator comprises supporter and is closely wound on supporter; The cannelure for inserting supporter is provided with between described housing and middle column body.
3. the rotatable linear voice coil motor of mover according to claim 2, is characterized in that: described middle column body is solid cylinder.
4. the rotatable linear voice coil motor of mover according to claim 2, it is characterized in that: described set of permanent magnets is at least two groups, described set of permanent magnets comprises at least one annular permanent magnet.
5. the rotatable linear voice coil motor of mover according to claim 2, is characterized in that: described middle column body is also provided with the ring bodies I for fixed permanent magnet group.
6. the rotatable linear voice coil motor of mover according to claim 4, is characterized in that: described middle column body is also provided with the ring bodies II for separating each set of permanent magnets.
7. the rotatable linear voice coil motor of mover according to claim 4, is characterized in that: the side of described supporter is provided with coil groove and trough; The top of described supporter is provided with the ventilation hole for voice coil motor inner air flow; The quantity of described coil groove is suitable with the group number of set of permanent magnets.
8. the rotatable linear voice coil motor of mover according to claim 1, it is characterized in that: described input is provided with rotating shaft, one end of described rotating shaft is fixedly connected with middle column body by screw, and the other end is provided with the spline tooth be connected with external connection power; Described output is provided with connecting axle.
9. the rotatable linear voice coil motor of mover according to claim 8, is characterized in that: described housing, middle column body, ring bodies I and ring bodies II are the magnet steel that magnetic conductive material is made; Described rotating shaft is that non-magnet_conductible material is made.
10. the rotatable linear voice coil motor of mover according to claim 8, is characterized in that: the shape of described spline tooth is in-line or cross or oval or regular polygon.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520458454.3U CN204721197U (en) | 2015-06-30 | 2015-06-30 | The rotatable linear voice coil motor of a kind of mover |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520458454.3U CN204721197U (en) | 2015-06-30 | 2015-06-30 | The rotatable linear voice coil motor of a kind of mover |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204721197U true CN204721197U (en) | 2015-10-21 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520458454.3U Expired - Fee Related CN204721197U (en) | 2015-06-30 | 2015-06-30 | The rotatable linear voice coil motor of a kind of mover |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204721197U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107896020A (en) * | 2017-12-20 | 2018-04-10 | 宝龙电子集团有限公司 | A kind of drive motor |
| CN110086319A (en) * | 2019-06-04 | 2019-08-02 | 昆山同茂电子有限公司 | A kind of voice coil motor with linear bearing guiding |
-
2015
- 2015-06-30 CN CN201520458454.3U patent/CN204721197U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107896020A (en) * | 2017-12-20 | 2018-04-10 | 宝龙电子集团有限公司 | A kind of drive motor |
| CN107896020B (en) * | 2017-12-20 | 2024-04-12 | 浙江宝龙机电有限公司 | Driving motor |
| CN110086319A (en) * | 2019-06-04 | 2019-08-02 | 昆山同茂电子有限公司 | A kind of voice coil motor with linear bearing guiding |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20151021 Termination date: 20160630 |