CN103378702B - Voice coil motor - Google Patents
Voice coil motor Download PDFInfo
- Publication number
- CN103378702B CN103378702B CN201210117596.4A CN201210117596A CN103378702B CN 103378702 B CN103378702 B CN 103378702B CN 201210117596 A CN201210117596 A CN 201210117596A CN 103378702 B CN103378702 B CN 103378702B
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- China
- Prior art keywords
- shell fragment
- voice coil
- coil motor
- fixed
- bearing seat
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Abstract
A kind of voice coil motor, including a fixed cell, an active unit, once a load bearing seat, shell fragment and a camera lens module.Fixed cell has a receiving space, and active unit is actively contained in the receiving space.The active unit is stated with a first receiving space and internal thread is provided with first receiving space.Camera lens module has external screw thread.Camera lens module is screwed onto in first receiving space by the cooperation of the external screw thread and internal thread.Fixed cell is carried on the load bearing seat.Load bearing seat offers one through opening.Lower shell fragment is fixed between the load bearing seat and the fixed cell.Lower shell fragment has a positive light hole relative with opening is run through and the first elastic part set around the light hole.First elastic part of lower shell fragment falls described in opening along the projection on the optical axis direction of voice coil motor.Colloid is coated between external screw thread and internal thread.Voice coil motor of the invention can avoid the bad problem of start.
Description
Technical field
The present invention relates to a kind of voice coil motor.
Background technology
Common voice coil motor mainly include fixed mount, be actively installed in the fixed mount fitted tube, two shell fragments and
Load bearing seat.Two shell fragments are separately fixed at the two ends of fixed mount.The fitted tube is used for installing lens barrel, is movably housed in fixed mount
It is interior, and be fixed in the elastic part of two shell fragments.In the case of energization, the voice coil motor drive fitted tube so that change lens barrel or
The distance between focusing lens set or focus-variable lens group and CIS, and then realize the function of focusing or zoom.
At present in the assembling flow path of camera model, fitted tube and lens barrel lock, focus after, make both solid usually using colloid
It is fixed.However, colloid can carry over the side wall excessive glue of lens barrel between shell fragment and load bearing seat, the elastic part of shell fragment is caused to be fixed by colloid
On load bearing seat, cause voice coil motor start bad.
The content of the invention
In view of this, it is necessary to which a kind of voice coil motor for avoiding shell fragment from being fixed on by colloid on load bearing seat is provided.
A kind of voice coil motor, including a fixed cell, an active unit, once a load bearing seat, shell fragment and a camera lens mould
Group.The fixed cell has a receiving space, and the active unit is actively contained in the receiving space.The activity
Unit has a first receiving space, and internal thread is provided with the first receiving space.The camera lens module has in described
The external screw thread that screw thread is engaged.The camera lens module is screwed onto described first and accommodates by the cooperation of the external screw thread and internal thread
In space.The fixed cell is carried on the load bearing seat.The load bearing seat offers one through opening.The lower shell fragment
It is fixed between the load bearing seat and the fixed cell.The lower shell fragment have one with described through the relative positive thang-kng in opening
Hole and the first elastic part set around the light hole.Colloid is coated between the external screw thread and the internal thread.It is described
First elastic part of lower shell fragment falls described in opening along the projection on the optical axis direction of voice coil motor.
Relative to prior art, due to voice coil motor of the invention described lower shell fragment the first elastic part along voice coil motor
Optical axis direction on projection fall described in opening, therefore, can avoid carrying over the side wall of the lens barrel when the colloid
When excessive glue is between the lower shell fragment and the load bearing seat, the first elastic part of the lower shell fragment is caused to be fixed on by the colloid
On load bearing seat, so as to the problem for causing voice coil motor start bad.
Brief description of the drawings
Fig. 1 is the three-dimensional assembling schematic diagram of the voice coil motor of embodiment of the present invention.
Fig. 2 is the decomposed schematic diagram of the voice coil motor in Fig. 1.
Fig. 3 is the perspective exploded view of the voice coil motor in Fig. 1.
Fig. 4 is another visual angle schematic diagram of the adjustable shelf in Fig. 3.
Fig. 5 is cut-away view of the voice coil motor in Fig. 1 along V-V lines.
Fig. 6 is another visual angle schematic diagram of the voice coil motor in Fig. 1.
Main element symbol description
| Voice coil motor | 10 |
| Housing | 11 |
| Upper wall | 101 |
| Side wall | 102 |
| Central through hole | 110 |
| Upper lid | 12 |
| Upper Positioning holes | 121 |
| Upper shell fragment | 13a |
| Lower shell fragment | 13b |
| Light hole | 130 |
| First location hole | 131 |
| First elastic part | 130a |
| Second location hole | 132 |
| Active unit | 14 |
| Adjustable shelf | 141 |
| Coil | 142 |
| First receiving space | 1410 |
| Internal thread | 1413 |
| First locating dowel | 1411 |
| Second locating dowel | 1412 |
| Fixed mount | 151 |
| Magnet | 152 |
| Second receiving space | 1510 |
| Upper positioning column | 1511 |
| Lower locating dowel | 1512 |
| Put magnetic portion | 1513 |
| Load bearing seat | 16 |
| Lower Positioning holes | 161 |
| Through opening | 160 |
| Lens barrel | 171 |
| Lens | 172 |
| External screw thread | 1710 |
| Colloid | 18 |
Following specific embodiment will further illustrate the present invention with reference to above-mentioned accompanying drawing.
Specific embodiment
Also referring to the voice coil motor 10 that Fig. 1 to Fig. 3, embodiment of the present invention are provided, it is included on a housing 11,
Shell fragment 13a, once shell fragment 13b, an active unit 14, a fixed cell 15, a load bearing seat 16 and a camera lens module on lid 12,
17。
The housing 11 includes a upper wall 101 and four side walls 102 bent from the upper wall 101 under extending to.On this
Wall 101 offers a central through hole 110, and the upper wall 101 and four side walls 102 surround a bottomless voice coil motor jointly
Accommodating cavity is used for housing the upper lid 12, upper shell fragment 13a, lower shell fragment 13b, active unit 14, fixed cell 15 and load bearing seat 16.
In present embodiment, the housing 11 can be made up of magnetic shielding materials such as dilvals, to eliminate external electromagnetic to the sound
The interference of coil motor 10 simultaneously prevents the work of its external electronic components of the electromagnetic effect of the voice coil motor 10.
The upper lid 12 is generally rectangular shaped structure, and corner respectively sets a upper Positioning holes 121.It is described in present embodiment
Upper lid 12 is made of non-magnet_conductible material.
The upper shell fragment 13a is square structure, and center offers a light hole 130.Four the first location holes 131 are located at
Four corners of upper shell fragment 13a and away from the light hole 130.There is one first elastic part 130a around the light hole 130,
Four the second location holes 132 are offered on the first elastic part 130a.
The structure of the lower shell fragment 13b is similar to the structure of the upper shell fragment 13a：With a light hole 130 4
One the second location hole 132 of location hole 131, four and one first elastic part 130a.Four the first location holes 131 are located at lower shell fragment
Four corners of 13b and away from the light hole 130.
The active unit 14 includes an adjustable shelf 141 and a coil 142.The adjustable shelf 141 has for collecting post
State the circular first receiving space 1410 of camera lens module 17.The first receiving space 1410 is provided with internal thread 1413.Institute
It is cube-shaped to state adjustable shelf 141, and the coil 142 is wrapped on the periphery of the adjustable shelf 141.The adjustable shelf 141 pairs
Four positions of the second location hole 132 of the upper shell fragment 13a are answered to be provided with four the first locating dowels 1411.The adjustable shelf 141
Four positions of the second location hole 132 of the correspondence lower shell fragment 13b are provided with four the second locating dowels 1412（As shown in Figure 4）.
The fixed cell 15 includes a fixed mount 151 and four magnet 152.The shape of the fixed mount 151 and activity
The shape of frame 141 is roughly the same, and the geometric center of the fixed mount 151 has the second receiving of a receiving active unit 14 empty
Between 1510.
The fixed mount 151 is arranged between the upper shell fragment 13a and lower shell fragment 13b.The fixed mount 151 is near described
First location hole 131 of the upper shell fragment 13a of upper end correspondence of upper shell fragment 13a hangs down with the position of upper Positioning holes 121 of the upper lid 12
Directly it is extended with four upper positioning columns 1511.Four upper positioning columns 1511 are each passed through first location hole 131 of shell fragment 13a
And stretch into the upper Positioning holes 121 of lid 12, then by gluing process make upper shell fragment 13a be fixed on fixed mount 151 and upper lid 12 it
Between.The fixed mount 151 is near the position of the first location hole 131 of the bottom correspondence lower shell fragment 13b of the lower shell fragment 13b
Extend vertically four upper positioning columns and offer four lower locating dowels 1512.
In addition, offering one respectively on four side walls of the fixed mount 151 puts magnetic portion 1513.Four magnet 152
It is separately positioned on the coil 142 for putting in magnetic portion 1513 and corresponding to the active unit 14.
Magnetic field force, magnetic field force is produced to drive the adjustable shelf 141 to move between the magnet 152 and the coil 142 being powered,
The adjustable shelf 141 of motion drives the motion in the second receiving space 1510 together of camera lens module 17.The upper lid 12 is used for
When upper shell fragment 13a in the plane of optical axis be subject to elastic deformation when, it is described prevent the camera lens module 17 perpendicular to
Displacement is produced in the plane of optical axis.
The load bearing seat 16 is cube structure, and it uses plastic material to be made.The corner location of the load bearing seat 16 is each
With a lower Positioning holes 161.The center of the load bearing seat 16 offers one through opening 160.Four of the fixed mount 151
The first location hole 131 that lower locating dowel 1512 is each passed through lower shell fragment 13b is fixed in the lower Positioning holes 161, will be described
Lower shell fragment 13b is fixed between fixed mount 151 and load bearing seat 16.In present embodiment, first elastic part of the lower shell fragment 13b
130a falls described in opening 160 along the projection on the optical axis direction of voice coil motor 10.It is described to run through in present embodiment
Opening 160 is square, it will be understood that described through the other shapes such as opening 160 or circle, as long as the lower bullet can be made
The first elastic part 130a of piece 13b can fall described interior i.e. through opening 160 along the projection on the optical axis direction of voice coil motor 10
Can.
The camera lens module 17 includes that a lens barrel 171 and multiple are housed in the lens 172 in the lens barrel 171.The mirror
It is provided with the lateral wall of cylinder 171 and is engaged with the internal thread 1413 of the first receiving space 1410 of the adjustable shelf 141
External screw thread 1710.In present embodiment, colloid 18 is coated between the external screw thread 1710 and internal thread 1413, therefore, can
Prevent in assembling CIS（It is not shown）When, the dust between the external screw thread 1710 and internal thread 1413 drops down onto the shadow
As on sensor, influenceing the image quality of the CIS.
In present embodiment, it is described through opening 160, the light hole 130 of the lower shell fragment 13b, the second of fixed mount 151
Receiving space 1510, the first receiving space 1410 of the adjustable shelf 141, the upper shell fragment 13a light hole 130 it is relative to each other
Just（That is, it is described through opening 160, the second receiving space 1510 of the light hole 130 of the lower shell fragment 13b, fixed mount 151,
The first receiving space 1410 of the adjustable shelf 141, the geometric center of the light hole 130 of the upper shell fragment 13a are in a line
On）.
Also referring to Fig. 2, Fig. 5 and Fig. 6, during assembling voice coil motor 10, first by first location hole of the lower shell fragment 13b
131 are set in the lower locating dowel 1512 of the fixed mount 151, then the active unit 14 are placed on lower shell fragment 13b, institute
Four the second locating dowels 1412 for stating adjustable shelf 141 are housed in four second location holes 132 of the lower shell fragment 13b respectively
It is interior, and the lower shell fragment 13b is mutually fixed with the adjustable shelf 141 by gluing process, then by under the fixed mount 151
Locating dowel 1512 fastens with the lower Positioning holes 161 of the load bearing seat 16, and fixes the lower shell fragment 13b by gluing process
Between the fixed mount 151 and the load bearing seat 16, the active unit 14 is housed in the second receiving space of fixed mount 151
In 1510, the fixed mount 151 is carried on the load bearing seat 16.
Then, first location hole 131 of the upper shell fragment 13a is set in the upper positioning column 1511 of the fixed mount 151
On, then the upper positioning column 1511 of the fixed mount 151 is fastened with the upper Positioning holes 121 of the upper lid 12, and by point
Be fixed on the upper shell fragment 13a between the fixed mount 151 and the upper lid 12 by adhesive process, and the four of the adjustable shelf 141
Individual first locating dowel 1411 is housed in four second location holes 132 of the upper shell fragment 13a respectively, and will by gluing process
The upper shell fragment 13a is mutually fixed with the adjustable shelf 141, therefore, the adjustable shelf 141 is placed on the upper shell fragment 13a with
Between shell fragment 13b, so that the adjustable shelf 141 is suspended in the fixed mount 151；Then lid sets the lid 11.Will be described
The external screw thread 1710 of the lens barrel 171 of camera lens module 17 and the bolt of 1410 internal thread of the first receiving space 1413.Along institute
The lateral wall for stating lens barrel 171 is coated with the colloid 18 so that the colloid 18 flows into the external screw thread 1710 with the internal thread
Between 1413.
It is understood that the upper Positioning holes 121, the first location hole 131, upper positioning column 1511, lower Positioning holes 161
Quantity is identical and is not limited to four, and it can be arbitrarily devised according to demand, such as two, three or less than four；Described second determines
The quantity of position hole 132, the first locating dowel 1411 and the second locating dowel 1412 is identical and is also not necessarily limited to be four, and it is also dependent on need
Ask arbitrarily devised, such as two, three or less than four.
In present embodiment, due to the lower shell fragment 13b the first elastic part 130a along voice coil motor 10 optical axis direction
On projection fall described in opening 160, therefore, can avoid when the colloid 18 carry over the lens barrel 171 side wall overflow
When glue is between the lower shell fragment 13b and the load bearing seat 16, cause the first elastic part 130a of the lower shell fragment 13b described
Colloid 18 is fixed on load bearing seat 16, so as to the problem for causing the start of voice coil motor 10 bad.
Although the present invention has been disclosed as above in a preferred embodiment thereof, it is not limited to the present invention, in addition, this
Art personnel can also do other changes etc. in spirit of the invention.Certainly, the change that these are done according to present invention spirit
Change, should all be included within scope of the present invention.
Claims (9)
1. a kind of voice coil motor, an including fixed cell, an active unit, once a load bearing seat, shell fragment and a camera lens module,
The fixed cell has a receiving space, and the active unit is actively contained in the receiving space, and the activity is single
Unit has a first receiving space, and internal thread is provided with the first receiving space, and the camera lens module has interior with described
The external screw thread that screw thread is engaged, the camera lens module is screwed onto described first and accommodates by the cooperation of the external screw thread and internal thread
In space, colloid is coated between the external screw thread and the internal thread, the fixed cell is carried on the load bearing seat, institute
State and offered on load bearing seat one through opening, the lower shell fragment is fixed between the load bearing seat and the fixed cell, described
Lower shell fragment have one with first elastic part set through the relative positive light hole in opening and around the light hole, it is special
Levy and be：First elastic part of the lower shell fragment falls described in opening along the projection on the optical axis direction of voice coil motor.
2. voice coil motor as claimed in claim 1, it is characterised in that the fixed cell includes a fixed mount and multiple magnetic
Iron, the magnet is fixed on the side wall of the fixed mount, and the active unit includes an adjustable shelf and a coil, the coil
It is wrapped on the periphery of the adjustable shelf.
3. voice coil motor as claimed in claim 1, it is characterised in that the voice coil motor includes a housing, the housing bag
The side wall that a upper wall and multiple bend under extending to from the upper wall is included, the upper wall and the multiple side wall surround one jointly
Bottomless voice coil motor accommodating cavity is used for housing the active unit, fixed cell, lower shell fragment and load bearing seat.
4. voice coil motor as claimed in claim 2, it is characterised in that the voice coil motor further includes shell fragment on, institute
State shell fragment and offer multiple first location holes, multiple first location holes of fixed mount correspondence offered and positioned in multiple
Post, first location hole and upper positioning column are engaged the one end for making the upper shell fragment be fixed on the fixed mount.
5. voice coil motor as claimed in claim 4, it is characterised in that the voice coil motor further includes to be covered on, described
Upper lid has upper Positioning holes, and the upper positioning column is stretched into the upper Positioning holes so that the upper lid is fixed on the upper shell fragment
On.
6. voice coil motor as claimed in claim 5, it is characterised in that the upper lid is made of non-magnet_conductible material.
7. voice coil motor as claimed in claim 4, it is characterised in that the lower shell fragment is fixed on the another of the fixed mount
End, the adjustable shelf is placed between the upper shell fragment and lower shell fragment, so that the adjustable shelf is suspended in the fixed mount.
8. voice coil motor as claimed in claim 7, it is characterised in that the load bearing seat has multiple lower Positioning holes, described solid
Determine frame and offer locating dowel under multiple, the lower shell fragment has multiple location holes for corresponding to the multiple lower locating dowel respectively, institute
Lower locating dowel is stated to stretch into the location hole of the lower Positioning holes and the lower shell fragment so that the lower shell fragment is fixed on the fixation
Between frame and load bearing seat.
9. voice coil motor as claimed in claim 1, it is characterised in that it is described through opening be square.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210117596.4A CN103378702B (en) | 2012-04-20 | 2012-04-20 | Voice coil motor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210117596.4A CN103378702B (en) | 2012-04-20 | 2012-04-20 | Voice coil motor |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103378702A CN103378702A (en) | 2013-10-30 |
| CN103378702B true CN103378702B (en) | 2017-06-23 |
Family
ID=49463395
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201210117596.4A Expired - Fee Related CN103378702B (en) | 2012-04-20 | 2012-04-20 | Voice coil motor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN103378702B (en) |
Families Citing this family (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104849832B (en) * | 2015-05-19 | 2017-06-09 | 苏州久易光电科技有限公司 | A kind of high stability voice coil motor driven for lens |
| TWI663463B (en) * | 2016-12-23 | 2019-06-21 | 台灣東電化股份有限公司 | Driving mechanism |
| US11089189B2 (en) | 2017-09-12 | 2021-08-10 | Huawei Technologies Co., Ltd. | Camera module and terminal |
| CN108173410A (en) * | 2017-12-29 | 2018-06-15 | 东莞市福鹰电子有限公司 | A kind of voice coil motor |
| CN108508565A (en) * | 2018-03-15 | 2018-09-07 | 信利光电股份有限公司 | A kind of cameras with fixed focus and its AA methods |
| CN108632514A (en) * | 2018-06-08 | 2018-10-09 | 昆山丘钛微电子科技有限公司 | Camera module and mobile terminal |
| CN113691097B (en) * | 2021-07-14 | 2022-08-19 | 常州市桑豪车辆配件有限公司 | Voice coil motor and adjusting method thereof |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101334512A (en) * | 2007-06-27 | 2008-12-31 | 台湾东电化股份有限公司 | Micro-lens movable device protection structure |
| CN101567614A (en) * | 2008-04-25 | 2009-10-28 | 鸿富锦精密工业（深圳）有限公司 | Voice coil motor |
| CN101882852A (en) * | 2009-05-07 | 2010-11-10 | 鸿富锦精密工业（深圳）有限公司 | Voice coil motor |
| TW201122611A (en) * | 2009-12-28 | 2011-07-01 | Hon Hai Prec Ind Co Ltd | Camera module |
| CN102332805A (en) * | 2010-07-12 | 2012-01-25 | Lg伊诺特有限公司 | Voice coil motor |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR101230182B1 (en) * | 2010-06-16 | 2013-02-06 | 엘지이노텍 주식회사 | Voice coil motor |
-
2012
- 2012-04-20 CN CN201210117596.4A patent/CN103378702B/en not_active Expired - Fee Related
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101334512A (en) * | 2007-06-27 | 2008-12-31 | 台湾东电化股份有限公司 | Micro-lens movable device protection structure |
| CN101567614A (en) * | 2008-04-25 | 2009-10-28 | 鸿富锦精密工业（深圳）有限公司 | Voice coil motor |
| CN101882852A (en) * | 2009-05-07 | 2010-11-10 | 鸿富锦精密工业（深圳）有限公司 | Voice coil motor |
| TW201122611A (en) * | 2009-12-28 | 2011-07-01 | Hon Hai Prec Ind Co Ltd | Camera module |
| CN102332805A (en) * | 2010-07-12 | 2012-01-25 | Lg伊诺特有限公司 | Voice coil motor |
Also Published As
| Publication number | Publication date |
|---|---|
| CN103378702A (en) | 2013-10-30 |
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| TA01 | Transfer of patent application right |
Effective date of registration: 20170517 Address after: Guangdong province Shenzhen city Longhua District Dragon Road No. 83 wing group building 11 floor Applicant after: SCIENBIZIP CONSULTING (SHEN ZHEN) CO., LTD. Address before: 518109 Guangdong city of Shenzhen province Baoan District Longhua Town Industrial Zone tabulaeformis tenth East Ring Road No. 2 two Applicant before: Hongfujin Precise Industry (Shenzhen) Co., Ltd. Applicant before: Hon Hai Precision Industry Co., Ltd. |
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