CN208156280U - A kind of novel voice coil motor - Google Patents
A kind of novel voice coil motor Download PDFInfo
- Publication number
- CN208156280U CN208156280U CN201820423074.XU CN201820423074U CN208156280U CN 208156280 U CN208156280 U CN 208156280U CN 201820423074 U CN201820423074 U CN 201820423074U CN 208156280 U CN208156280 U CN 208156280U
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- China
- Prior art keywords
- elastic slice
- carrier
- welding
- voice coil
- coil motor
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Abstract
A kind of novel voice coil motor 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 lower cover；Through-hole is equipped in the carrier of carrier, the bonding of carrier upper surface positions the second end of upper elastic slice；The bonding of carrier lower end surface positions the first end of lower elastic slice, and the second end of lower elastic slice is positioned at lower cover 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.Lower elastic slice is equipped with first end and second end, is connected between the two by elastic slice string silk；First end is equipped with solder pad, is positioned by the solder pad and coil welding；Welding connecting hole is offered in solder pad, and at least provided with a welding golden finger in welding connecting hole, which is integrally extended to form by solder pad, and welding connecting hole is separated into the weld keyhole of at least two connections.
Description
Technical field
The utility model relates to a kind of voice coil motors of miniature webcam, and in particular to a kind of novel voice coil motor.It is described
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 lower through-hole is equipped in the carrier, for assembling the eyeglass of camera；Wherein, the periphery of carrier is arranged with coil, horse
The coil is corresponded in the yoke reached equipped with magnetite, is constituted when the coil is energized, and carrier can generate up and down because of electromagnetic induction
Direction displacement, to realize the zoom of camera, focusing；The top of the carrier or/and lower end surface there is also positioned elastic slice, use
In generating elasticity, guarantee in coil no power, carrier can restore to initial horizontality position.
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, coil will be not only wound on carrier in the design of existing voice coil motor, and the inlet-outlet line of coil can be pre-
The end of a thread is stayed, then the end of a thread of coil is welded on elastic slice.With the rapid development of mobile phone industry, demand of the market to voice coil motor
It is increasing, therefore more stringent requirements are proposed to the production efficiency of voice coil motor.Existing design needs to carry out coil artificial
Lineation, and the end of a thread is placed on the pad of elastic slice, conducting, this design bring production method effect are connected by the way of welding
Rate is lower, and production yield can not improve.
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 novel voice coil motors.
In order to achieve the above objectives, the technical solution adopted in the utility model is：
A kind of novel voice coil motor 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；The magnetite is fixedly arranged on the yoke in the circumferential
Inside, one end of the upper elastic slice are positioned at below the top cover of the yoke；
Second assembly includes carrier, coil, lower elastic slice and lower cover；It is offered along the vertical direction in the carrier
One through-hole, for assembling the eyeglass of camera；The upper surface welding of the carrier positions the other end of the upper elastic slice；The load
The lower end surface welding of body positions the first end of the lower elastic slice, and the second end of the lower elastic slice is positioned at the lower cover；The carrier
Periphery be arranged with coil, which is correspondingly arranged with the magnetite being positioned in the yoke；Also, the coil not
When energization, the upper elastic slice and the lower elastic slice are in that horizontal planar deformation may be not present；
The yoke and lower cover 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 lower elastic slice includes flake main body, the flake main body be equipped with the first end and the second end, the two it
Between by bending setting elastic slice string silk be connected；The first end is equipped with a flat solder pad, which is bonded institute
The end face of carrier is stated, and is positioned with the coil welding being wound on carrier；
Wherein, a welding connecting hole is offered in the solder pad, and at least provided with a welding gold in the welding connecting hole
Finger, the welding golden finger are integrally extended to form by the solder pad, and the welding connecting hole is separated at least two welding
Aperture, and each weld keyhole connection setting.
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 end of the lower end surface of the carrier and the lower elastic slice is plane, do not deposit
Make the structure of lower elastic slice generation predeformation in this way in such as boss.
4. in above scheme, there is a gap between the magnetite and the lower elastic slice.
5. in above scheme, by the design of the welding connecting hole and the welding golden finger, welding surface can be increased
Product, facilitates solder pad and the more preferable welding of coil, improves the stability of welding, can be avoided and desoldering occur, promotes product
Yield.
6. in above scheme, there are three the welding golden fingers, each golden finger that welds along the circumferential direction is mutually 120 degree of folders
Angle, and being oppositely arranged with its finger tip is constituted the welding connecting hole and is divided into three weld keyholes, and at least two weld keyholes
Area is identical.It designs whereby, can further improve welding quality, guarantee the reliability of welding.
7. in above scheme, the flake main body is segmented, including the identical fragment body of two shapes；Two fragments
Body along the carrier middle through-hole central point center symmetric setting, and on each fragment body include the first end and institute
State second end.
8. in above scheme, it is multiple fixed to be equipped in the first end of the flake main body and the second end of the flake main body
Position hole.Convenient for the positioning on jig or carrier, lower lid.
9. in above scheme, the second end of the flake main body is equipped with lower cover solder pad, for weld positioning it is described under
Lid.
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 for preferably meeting user improves the use feeling of user, and more saves
Electricity extends the stand-by time of equipment；
Two, welding connecting hole is opened up in solder pad, and is provided with welding golden finger, therefore increase bonding area, is had
Help weld golden finger and the more preferable welding of coil, improves the stability of welding, can be avoided and desoldering occur, can effectively be promoted
Production efficiency and production stability improve yields.In the production process of voice coil motor, in order to improve processing efficiency, producer
Winding mode can be modified, coil is directly wound on carrier；So compared to existing technologies, in process of production can not have into
Row lineation, both saves manpower, improves efficiency, and can guarantee yield, but original elastic slice is unable to satisfy welding requirements, this reality
It just can satisfy this requirement with novel.
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；
Attached drawing 7 is the structural schematic diagram of elastic slice under the utility model embodiment；
Attached drawing 8 is enlarged drawing at A in Fig. 7.
In the figures above：1. yoke；2. magnetite；Elastic slice on 3.；4. carrier；5. coil；6. lower elastic slice；7. lower cover；8. carrying
Body；9. through-hole；10. assembly space；A. gap；11. flake main body；12. first end；13. second end；14. elastic slice string silk；15.
Solder pad；16. welding connecting hole；17. welding golden finger；18. weld keyhole；19. fragment body；20. location hole；21. lower cover welds
Connect pad.
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 novel voice coil motor, by the first assembly and the second assembly upper
Lower direction assembling positions；By the combination assembling form of two assemblies, the assembly efficiency of voice coil motor and improvement can be improved
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, one end 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 lower cover 7；In the carrier 4 along the vertical direction
A through-hole 9 is offered, for assembling the eyeglass of camera；The upper surface welding of the carrier 4 positions the another of the upper elastic slice 3
End；The lower end surface welding of the carrier 4 positions the first end 12 of the lower elastic slice 6, and the second end 13 of lower elastic slice 6 is then positioned at institute
State the top of lower cover 7；The periphery of the carrier 4 is arranged with coil 5, the coil 5 and the magnetite being positioned in the yoke 1
2 are correspondingly arranged；Also, when the coil 5 is not powered on, the upper elastic slice 3 and the lower elastic slice 6 are in horizontal planar
It may be not present deformation, therefore elastic slice is without precompression, it, can be by the effect of electromagnetic force upward or downward on the one hand after motor energization
Movement, another aspect motor is not necessarily to overcome during exercise the precompression of elastic slice to do work, so as to achieve the effect that rapid focus.
The yoke 1 is positioned with the lower cover 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 end of the lower end surface of the carrier 4 and the lower elastic slice 6 is plane, and there is no such as
Boss makes the structure of the lower generation of elastic slice 6 predeformation in this way.
Fig. 7, shown in 8, the lower elastic slice 6 includes flake main body 11, the flake main body 11 be equipped with the first end 12 and
The second end 13 is connected by the elastic slice string silk 14 of bending setting between the two.
The first end 12 of the flake main body 11 is equipped with a flat solder pad 15, is bonded institute by the solder pad 15
The lower end surface of carrier 4 is stated, and is positioned with the welding of coil 5 being wound on the carrier 4.
Wherein, a welding connecting hole 16 is offered in the solder pad 15, and at least provided with one in the welding connecting hole 16
Golden finger 17 is welded, which is integrally extended to form by the solder pad 15, the welding connecting hole 16 is separated
At at least two weld keyholes 18, and the connection of each weld keyhole 18 is arranged.Pass through the welding connecting hole 16 and the weldering
The design of golden finger 17 is connect, bonding area can be increased, facilitates solder pad 15 and the more preferable welding of coil 5, improves welding
Stability, can be avoided and desoldering occur, promoted product yield.
Specifically, as shown in figure 8, each golden finger 17 that welds along the circumferential direction is mutually there are three the welding golden fingers 17
120 degree of angles, and be oppositely arranged with its finger tip, it constitutes the welding connecting hole 16 and is divided into three weld keyholes 18, and at least
The area of two weld keyholes 18 is identical.It designs whereby, can further improve welding quality, guarantee the reliability of welding.
Wherein, the flake main body 11 is segmented, including the identical fragment body 19 of two shapes；The two fragment bodies 19
It along the central point center symmetric setting of 4 middle through-hole 9 of carrier, and include the first end 12 on each fragment body 19
And the second end 13.
Multiple location holes are equipped in the second end 13 of the first end 12 of the flake main body 11 and the flake main body 11
20.Convenient for the positioning on jig or carrier 4, lower cover 7.The second end 12 of the flake main body 11 is equipped with lower cover solder pad
21, the lower cover 7 is positioned for welding.
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 (7)
1. a kind of novel voice coil motor, 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,
One end of the upper elastic slice is positioned at below the top cover of the yoke；
Second assembly includes carrier, coil, lower elastic slice and lower cover；It is logical that one is offered in the carrier along the vertical direction
Hole, for assembling the eyeglass of camera；The upper surface welding of the carrier positions the other end of the upper elastic slice；The carrier
Lower end surface welding positions the first end of the lower elastic slice, and the second end of the lower elastic slice is positioned at the lower cover；Outside the carrier
Week is arranged with coil, which is correspondingly arranged with the magnetite being positioned in the yoke；Also, it is not powered in the coil
When, the upper elastic slice and the lower elastic slice are in that horizontal planar deformation may be not present；
The yoke and lower cover 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 lower elastic slice includes flake main body, which is equipped with the first end and the second end, is led between the two
The elastic slice string silk for crossing bending setting is connected；The first end is equipped with a flat solder pad, which is bonded the load
The end face of body, and positioned with the coil welding being wound on carrier；
Wherein, a welding connecting hole is offered in the solder pad, and welds golden finger at least provided with one in the welding connecting hole,
The welding golden finger is integrally extended to form by the solder pad, and the welding connecting hole is separated at least two weld keyholes,
And each weld keyhole connection setting.
2. voice coil motor according to claim 1, it is characterised in that：The of the lower end surface of the carrier and the lower elastic slice
The contact portion of one end 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 three the welding golden fingers, each to weld golden hand
Finger is along the circumferential direction mutually 120 degree of angles, and is oppositely arranged with its finger tip, constitutes the welding connecting hole and is divided into three welding
Aperture, and the area of at least two weld keyholes is identical.
5. voice coil motor according to claim 1, it is characterised in that：The flake main body is segmented, including two shapes
The identical fragment body of shape；The two fragment bodies along the carrier middle through-hole central point center symmetric setting, and each described point
It include the first end and the second end on sheet body.
6. voice coil motor according to claim 1, it is characterised in that：The first end of the flake main body and the sheet master
Multiple location holes are equipped in the second end of body.
7. voice coil motor according to claim 1, it is characterised in that：The second end of the flake main body is welded equipped with lower cover
Pad.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820423074.XU CN208156280U (en) | 2018-03-27 | 2018-03-27 | A kind of novel voice coil motor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820423074.XU CN208156280U (en) | 2018-03-27 | 2018-03-27 | A kind of novel voice coil motor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208156280U true CN208156280U (en) | 2018-11-27 |
Family
ID=64380427
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820423074.XU Expired - Fee Related CN208156280U (en) | 2018-03-27 | 2018-03-27 | A kind of novel voice coil motor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208156280U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108490579A (en) * | 2018-03-27 | 2018-09-04 | 苏州聚力电机有限公司 | A kind of novel voice coil motor |
-
2018
- 2018-03-27 CN CN201820423074.XU patent/CN208156280U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108490579A (en) * | 2018-03-27 | 2018-09-04 | 苏州聚力电机有限公司 | A kind of novel voice coil motor |
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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 |
Granted publication date: 20181127 Termination date: 20200327 |
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| CF01 | Termination of patent right due to non-payment of annual fee |