CN208158388U - A kind of preferable voice coil motor of performance - Google Patents
A kind of preferable voice coil motor of performance Download PDFInfo
- Publication number
- CN208158388U CN208158388U CN201820423875.6U CN201820423875U CN208158388U CN 208158388 U CN208158388 U CN 208158388U CN 201820423875 U CN201820423875 U CN 201820423875U CN 208158388 U CN208158388 U CN 208158388U
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- elastic slice
- pedestal
- rectangular
- top plate
- shaped top
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Abstract
A kind of preferable voice coil motor of performance, is assembled in above-below direction by the first assembly and the second assembly and is positioned；First assembly includes yoke, magnetite and upper elastic slice；Second assembly includes carrier, coil, lower elastic slice and pedestal；First through hole is equipped in the pedestal of carrier, the bonding of pedestal upper surface positions the second elastic tip of upper elastic slice；The bonding of pedestal lower end surface positions the first elastic tip of lower elastic slice, and the second elastic tip of lower elastic slice is positioned at pedestal top；Carrier periphery is arranged with coil, and coil is correspondingly arranged with magnetite；When coil is not powered on, upper elastic slice and lower elastic slice are in that horizontal planar deformation may be not present.Yoke includes hood-like main body, is made of a rectangular-shaped top plate and four side plates；The second through-hole is offered in the middle part of rectangular-shaped top plate；Four side plates are integrally extended to down be bent to form along its four edges respectively by rectangular-shaped top plate；The middle part of rectangular-shaped top plate is also provided with multiple folding portions, and each folding portion is integrally extended to down be bent to form by corresponding second through-hole of rectangular-shaped top plate.
Description
Technical field
The utility model relates to a kind of voice coil motors of miniature webcam, and in particular to a kind of preferable voice coil horse of performance
It reaches.The miniature webcam can be assembled applied in the low profile electronics product such as mobile phone, tablet computer, smartwatch.
Background technique
In existing camera voice coil motor（VCM）In design, structure generally includes a carrier, is positioned at the yoke of motor
In iron.Upper and lower first through hole is equipped in the carrier, for assembling the eyeglass of camera；Wherein, the periphery winding of pedestal is wired
It encloses, the coil is corresponded in the yoke of motor equipped with magnetite, is constituted when the coil is energized, carrier can be generated because of electromagnetic induction
Up and down direction displacement, to realize the zoom of camera, focusing；The top of the carrier or/and lower end surface there is also positioned bullet
Piece guarantees in coil no power, carrier can restore to initial horizontality position for generating elasticity.
Currently, the coil of voice coil motor is after powered up, understands monodisplacement a distance under the action of electromagnetic force, reach tune
The purpose of whole lens focus understands picture to find suitable position and take to meet the requirement of user.However, existing voice coil
Motor is only capable of doing one-way movement under the action of electromagnetic force, therefore can only adjust nearly coke, and can not adjust remote coke, and focusing time
It is longer.
In addition, flourishing with markets such as smart phones, client pair increasing for the demand of voice coil motor
The characteristic requirements of voice coil motor are also higher and higher, and existing voice coil motor is to meet the lightening development trend of product, structure
It is difficult to do greatly, therefore improves motor characteristics under the premise of not increasing product size, increase motor magnetic field force, be always to seek in the industry
The problem of seeking to achieve breakthrough.
Therefore, above-mentioned the shortcomings of the prior art how is solved, is become as the class to be researched and solved of the utility model
Topic.
Summary of the invention
The purpose of the utility model is to provide a kind of preferable voice coil motors of performance.
In order to achieve the above objectives, the technical solution adopted in the utility model is：
A kind of preferable voice coil motor of performance, assemble positioning in above-below direction by the first assembly and the second assembly and
At；
First assembly includes yoke, magnetite and upper elastic slice；The magnetite is fixedly arranged on the yoke in the circumferential
Inside, the first elastic tip of the upper elastic slice are positioned at below the top cover of the yoke；
Second assembly includes carrier, coil, lower elastic slice and pedestal；The carrier includes a pedestal, in pedestal
A first through hole is offered along the vertical direction, for assembling the eyeglass of camera；The upper surface bonding connection positioning of the pedestal
Second elastic tip of the upper elastic slice；The lower end surface bonding connection of the pedestal positions the first elastic tip of the lower elastic slice, under
Second elastic tip of elastic slice is then positioned at the top of the pedestal；The periphery of the pedestal is arranged with coil, the coil and positioning
The magnetite in the yoke is correspondingly arranged；Also, when the coil is not powered on, the upper elastic slice and the lower bullet
Piece is in that horizontal planar deformation may be not present；
The yoke and pedestal assembly position, and define to form an assembly space between the two；The carrier passes through two bullets
Piece is flexibly positioned in the assembly space on the thickness direction of voice coil motor；
The yoke includes a hood-like main body, which is made of a rectangular-shaped top plate and four side plates；
One second through-hole is offered in the middle part of the rectangular-shaped top plate, second through-hole and the first through hole are coaxially disposed；
Four side plates are integrally extended to down be bent to form along its four edges respectively by the rectangular-shaped top plate；
Wherein, the middle part of the rectangular-shaped top plate is also provided with multiple folding portions, and each folding portion is by the rectangular top
Plate corresponds to second through-hole and integrally extends to down be bent to form, and each folding portion is uniformly divided around the center of circle of second through-hole
Cloth.
Related content in above-mentioned technical proposal is explained as follows：
1., can by the combination assembling form of the first assembly and this two assembly of the second assembly in above scheme
It improves the assembly efficiency of voice coil motor and improves the yields of product.
2. in above scheme, " when the coil is not powered on, the upper elastic slice and the lower elastic slice are in horizontal put down
Deformation may be not present in planar ", therefore elastic slice is without precompression, it, can be upward by the effect of electromagnetic force on the one hand after motor energization
Or move downward, another aspect motor is not necessarily to overcome during exercise the precompression of elastic slice to do work, so as to reach rapid focus
Effect.
3. in above scheme, the contact portion of the first elastic tip of the lower end surface of the pedestal and the lower elastic slice is plane,
There is no the structures that such as boss makes lower elastic slice generation predeformation in this way.
4. in above scheme, there is a gap between the magnetite and the lower elastic slice.
5. in above scheme, by increasing multiple folding portions in yoke（Interior yoke）, can effectively increase magnetic field force, mention
The characteristic of high voice coil motor.
6. in above scheme, there are four the folding portions, mutually it is arranged in 90 degree, and four angles one with the hood-like main body
One is corresponding.
7. in above scheme, four angles of the rectangular-shaped top plate are constituted on four angles of rectangular-shaped top plate to lower recess
It is formed with a surface of subsidence.It designs whereby, support can be played the role of to the upper elastic slice of voice coil motor, eliminate existing voice coil horse
It is specially used to support the bracket of elastic slice in reaching, material cost can be reduced, also can be reduced process, improves the whole assembly of product
Precision, and then promote yields.
8. in above scheme, being additionally provided with multiple recessing grooves around second through-hole in the rectangular-shaped top plate, and each described
Recessing groove corresponds to the two sides setting of the folding portion；Dispensing behaviour when upper elastic slice for voice coil motor of stepping down is connect with carrier
Make.
The working principle and advantage of the utility model are as follows：
Compared to existing technologies, the utility model：
One, by designing a novel voice coil motor, elastic slice on the one hand after motor energization, can pass through without precompression
The effect of electromagnetic force is moved upwardly or downwardly, and another aspect motor is not necessarily to overcome during exercise the precompression of elastic slice to do work, thus
It can achieve the effect that rapid focus.The requirement that user can more preferably be met promotes the use feeling of user, and more power saving, prolongs
The stand-by time of equipment is grown；
Two, under the premise of not increasing yoke size, by adding multiple folding portions in the second through hole, can effectively increase
The magnetic field force of big voice coil motor, improves the characteristic of voice coil motor.
Detailed description of the invention
Attached drawing 1 is the schematic top plan view of the utility model embodiment；
Attached drawing 2 is the vertical view view stereo figure of the utility model embodiment；
Attached drawing 3 be in Fig. 1 A-A to schematic cross-sectional view；
Attached drawing 4 is B-B direction schematic cross-sectional view in Fig. 1；
Attached drawing 5 is the elevational schematic view of the utility model embodiment；
Attached drawing 6 looks up view stereo figure for the utility model embodiment.
In the figures above：1. yoke；2. magnetite；Elastic slice on 3.；4. carrier；5. coil；6. lower elastic slice；7. pedestal；8.
Body；9. first through hole；10. assembly space；A. gap；11. hood-like main body；12. rectangular-shaped top plate；13. side plate；14. the second through-hole；
16. folding portion；17. surface of subsidence；18. recessing groove.
Specific embodiment
The utility model is further described with reference to the accompanying drawings and embodiments：
Embodiment：Referring to shown in attached drawing 1~6, a kind of preferable voice coil motor of performance is assembled by the first assembly and second
Body assembles position in above-below direction；By the combination assembling form of two assemblies, the assembly efficiency of voice coil motor can be improved
And improve the yields of product.
First assembly includes yoke 1, magnetite 2 and upper elastic slice 3；The magnetite 2 is fixedly arranged on described in the circumferential
Inside yoke 1, the first elastic tip of the upper elastic slice 3 is positioned at below the top cover of the yoke 1；
Second assembly includes carrier 4, coil 5, lower elastic slice 6 and pedestal 7；The carrier 4 includes a pedestal 8,
A first through hole 9 is offered in pedestal 8 along the vertical direction, for assembling the eyeglass of camera；The upper surface of the pedestal 8 bonds
Connection positions the second elastic tip of the upper elastic slice 3；The lower end surface bonding connection of the pedestal 8 positions the of the lower elastic slice 6
One elastic tip, the second elastic tip of lower elastic slice 6 are then positioned at the top of the pedestal 7；The periphery of the pedestal 8 is arranged with coil
5, which is correspondingly arranged with the magnetite 2 being positioned in the yoke 1；Also, it is described when the coil 5 is not powered on
Upper elastic slice 3 and the lower elastic slice 6 in it is horizontal it is planar deformation may be not present, therefore on the one hand elastic slice exists without precompression
After motor is powered, it can be moved upwardly or downwardly by the effect of electromagnetic force, another aspect motor is not necessarily to overcome elastic slice during exercise
Precompression acting, so as to achieve the effect that rapid focus.
The yoke 1 is positioned with the pedestal 7 assembly, defines to form an assembly space 10 between the two；The carrier 4 passes through
Two elastic slices are flexibly positioned in the assembly space 10 on the thickness direction of voice coil motor.Also, the magnetite 2 with it is described under
There is a gap a between elastic slice 6.
Wherein, the contact portion of the first elastic tip of the lower end surface of the pedestal 8 and the lower elastic slice 6 is plane, is not present
Such as boss makes the structure of the lower generation of elastic slice 6 predeformation in this way.
The yoke 1 includes a hood-like main body 11, which is made of a rectangular-shaped top plate 12 and four side plates 13.
The middle part of the rectangular-shaped top plate 12 offers one second through-hole 14, and second through-hole 14 and the first through hole 9 are same
Axis setting；Four side plates 13 are integrally extended to down be bent to form along its four edges respectively by the rectangular-shaped top plate 12.
Wherein, the middle part of the rectangular-shaped top plate 12 is also provided with multiple folding portions 16, and each folding portion 16 is by described
Corresponding second through-hole 14 of rectangular-shaped top plate 12 integrally extends to down be bent to form, and each folding portion 16 is around second through-hole 14
The center of circle be uniformly distributed.By increasing multiple folding portions 16 in yoke 1（Interior yoke）, can effectively increase magnetic field force, improve
The characteristic of voice coil motor.
Wherein, there are four the folding portions 16, mutually in 90 degree of settings, and it is a pair of with four angles of the hood-like main body 11 one
It answers.
To lower recess, four angles for constituting rectangular-shaped top plate 12 have been respectively formed at four angles of the rectangular-shaped top plate 12
Heavy face 17.Design whereby, support can be played the role of to the upper elastic slice 3, eliminate in existing voice coil motor dedicated for
The bracket of elastic slice 3 in support, can reduce material cost, also can be reduced process, improve the whole assembly precision of product, Jin Erti
Rise yields.
Wherein, multiple recessing grooves 18 are additionally provided with around second through-hole 14 in the rectangular-shaped top plate 12, and each described allow
Position slot 18 corresponds to the two sides setting of the folding portion 16, dispensing behaviour when connecting for the upper elastic slice 3 of stepping down with carrier 4
Make.
The above embodiments are only for explaining the technical ideas and features of the present invention, and its object is to allow be familiar with technique
Personage can understand the content of the utility model and implement accordingly, do not limit the protection scope of the present invention.
All equivalent change or modifications according to made by the spirit of the present invention essence, should all cover the protection scope of the utility model it
It is interior.
Claims (6)
1. a kind of preferable voice coil motor of performance, it is characterised in that：
It is assembled and is positioned in above-below direction by the first assembly and the second assembly；
First assembly includes yoke, magnetite and upper elastic slice；The magnetite is fixedly arranged in the circumferential inside the yoke,
First elastic tip of the upper elastic slice is positioned at below the top cover of the yoke；
Second assembly includes carrier, coil, lower elastic slice and pedestal；The carrier includes a pedestal, along upper in pedestal
Lower direction offers a first through hole, for assembling the eyeglass of camera；Described in the upper surface bonding connection positioning of the pedestal
Second elastic tip of upper elastic slice；The lower end surface bonding connection of the pedestal positions the first elastic tip of the lower elastic slice, lower elastic slice
The second elastic tip be then positioned at the top of the pedestal；The periphery of the pedestal is arranged with coil, the coil and is positioned at institute
The magnetite stated in yoke is correspondingly arranged；Also, when the coil is not powered on, the upper elastic slice and the lower elastic slice are equal
Planar deformation may be not present in horizontal；
The yoke and pedestal assembly position, and define to form an assembly space between the two；The carrier is existed by two elastic slices
It is flexibly positioned in the assembly space on the thickness direction of voice coil motor；
The yoke includes a hood-like main body, which is made of a rectangular-shaped top plate and four side plates；
One second through-hole is offered in the middle part of the rectangular-shaped top plate, second through-hole and the first through hole are coaxially disposed；Four institutes
It states side plate and integrally extends to down be bent to form along its four edges respectively by the rectangular-shaped top plate；
Wherein, the middle part of the rectangular-shaped top plate is also provided with multiple folding portions, and each folding portion is by the rectangular-shaped top plate pair
Second through-hole is answered integrally to extend to down be bent to form, and each folding portion is uniformly distributed around the center of circle of second through-hole.
2. voice coil motor according to claim 1, it is characterised in that：The of the lower end surface of the pedestal and the lower elastic slice
The contact portion of one elastic tip is plane.
3. voice coil motor according to claim 1, it is characterised in that：Have between one between the magnetite and the lower elastic slice
Gap.
4. voice coil motor according to claim 1, it is characterised in that：There are four the folding portions, mutually in 90 degree of settings, and
It is corresponded with four angles of the hood-like main body.
5. voice coil motor according to claim 1, it is characterised in that：Four angles of the rectangular-shaped top plate to lower recess,
Four angles for constituting rectangular-shaped top plate have been respectively formed on a surface of subsidence.
6. voice coil motor according to claim 1, it is characterised in that：In the rectangular-shaped top plate also around second through-hole
Equipped with multiple recessing grooves, and each recessing groove corresponds to the two sides setting of the folding portion.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820423875.6U CN208158388U (en) | 2018-03-27 | 2018-03-27 | A kind of preferable voice coil motor of performance |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820423875.6U CN208158388U (en) | 2018-03-27 | 2018-03-27 | A kind of preferable voice coil motor of performance |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208158388U true CN208158388U (en) | 2018-11-27 |
Family
ID=64379033
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820423875.6U Expired - Fee Related CN208158388U (en) | 2018-03-27 | 2018-03-27 | A kind of preferable voice coil motor of performance |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208158388U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108377082A (en) * | 2018-03-27 | 2018-08-07 | 苏州聚力电机有限公司 | A kind of preferable voice coil motor of performance |
-
2018
- 2018-03-27 CN CN201820423875.6U patent/CN208158388U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108377082A (en) * | 2018-03-27 | 2018-08-07 | 苏州聚力电机有限公司 | A kind of preferable voice coil motor of performance |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| 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: 20181127 Termination date: 20200327 |