CN104218767A - Voice coil motor and lens module - Google Patents
Voice coil motor and lens module Download PDFInfo
- Publication number
- CN104218767A CN104218767A CN201310212369.4A CN201310212369A CN104218767A CN 104218767 A CN104218767 A CN 104218767A CN 201310212369 A CN201310212369 A CN 201310212369A CN 104218767 A CN104218767 A CN 104218767A
- Authority
- CN
- China
- Prior art keywords
- voice coil
- coil motor
- moving part
- fixed part
- accepting groove
- Prior art date
- 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.)
- Pending
Links
Landscapes
- Lens Barrels (AREA)
Abstract
The invention provides a voice coil motor which comprises a fixed part, a movable part, an elastic sheet, a magnetic assembly, a coil, a lower cover and gel. The movable part is accommodated in the fixed part, and the elastic sheet is connected between the fixed part and the movable part. The magnetic assembly is fixed to the inner side of the fixed part. The coil encircles the outer side of the movable part, is arranged opposite to the magnetic assembly and used for matching the magnetic assembly to drive the movable part to move relative to the fixed part. The lower cover comprises an upper surface and a lower surface opposite to the upper surface, a central hole passing through the upper surface and the lower surface is formed in the lower cover, a first accommodating groove along the central hole and a second accommodating groove along the edge of the upper surface are separately formed in the upper surface, and the first accommodating groove is communicated with the second accommodating groove. The gel is accommodated in the second accommodating groove, and one end of the fixed part is fixedly connected with the lower cover via the gel accommodated in the second accommodating groove. The gel accommodated in the second accommodating groove can overflow to the first accommodating groove, so that the gel is effectively prevented from overflowing from the central hole. The invention also provides a lens module using the voice coil motor.
Description
Technical field
The present invention relates to a kind of voice coil motor and use the camera lens module of this voice coil motor.
Background technology
Traditional voice coil motor mainly comprises a fixed part, a movable part, a shell fragment and a lower cover.Described shell fragment is connected between described movable part and described fixed part.Described movable part and described shell fragment are housed between described fixed part and described lower cover.Be adhesively fixed by described colloid between described fixed part and described lower cover.But, if too much colloid overflows from the centre bore being opened in described lower cover, impact is fixed on the function of other elements of the below of described lower cover.
Summary of the invention
In view of this, be necessary to provide a kind of can preventing to be connected to the voice coil motor that the colloid between described fixed part and described lower cover overflows and the camera lens module using this voice coil motor.
A kind of voice coil motor, it comprises a fixed part, a moving part, a shell fragment, a magnet assembly, a coil, a lower cover and colloid.Described moving part is housed in described fixed part, and described shell fragment is connected between described fixed part and described moving part.Described magnet assembly is fixed on the inner side of described fixed part.Described coil encircling in the outside of described moving part, and is oppositely arranged with described magnet assembly, drives described moving part to move relative to described fixed part for coordinating with described magnet assembly.Described lower cover comprises a upper surface and the lower surface opposing with described upper surface, covers and offer the centre bore that runs through described upper surface and described lower surface under described.Described upper surface offers one first accepting groove along described centre bore respectively and has one second accepting groove along the edge of described upper surface, described first accepting groove is connected with described second accepting groove.Described colloid is housed in described second accepting groove, and one end of described fixed part is fixedly connected with described lower cover by the colloid be housed in described second accepting groove.
A kind of camera lens module, it camera lens comprising above-mentioned voice coil motor and be contained in the moving part of voice coil motor.
Voice coil motor provided by the invention and using to cover under in the camera lens module of this voice coil motor and offers one first accepting groove along described centre bore and have second accepting groove be connected with described first accepting groove along the edge of described upper surface, the colloid be housed in described second accepting groove can be spilled in described first accepting groove, thus effectively prevent colloid to overflow to impact other elements described voice coil motor from described centre bore.
Accompanying drawing explanation
Fig. 1 is the decomposing schematic representation of the voice coil motor that embodiment of the present invention provides.
Fig. 2 be in Fig. 1 voice coil motor along the decomposing schematic representation at another visual angle.
Fig. 3 is the voice coil motor schematic perspective view in Fig. 1.
Fig. 4 is the cutaway view of the voice coil motor in Fig. 3 along IV-IV line.
Fig. 5 is the schematic perspective view of the camera lens module using voice coil motor in Fig. 3.
Main element symbol description
| Voice coil motor | 100 |
| Fixed part | 10 |
| Upper cover | 11 |
| First through hole | 111 |
| Bottom surface | 112 |
| First connecting portion | 113 |
| Sidewall | 12 |
| Inner surface | 121 |
| Joint face | 122 |
| First storage tank | 123 |
| Moving part | 20 |
| Upper surface | 21 |
| Second connecting portion | 211 |
| Lower surface | 22 |
| Outer surface | 23 |
| Second storage tank | 231 |
| Containing hole | 24 |
| Shell fragment | 30 |
| Outer portion | 31 |
| First connecting hole | 311 |
| Internal ring portion | 32 |
| Second connecting hole | 321 |
| Connecting portion | 33 |
| Magnet assembly | 40 |
| Magnet | 41 |
| Coil | 50 |
| Lower cover | 60 |
| Upper surface | 61 |
| First accepting groove | 611 |
| Second accepting groove | 612 |
| Lower surface | 62 |
| Centre bore | 63 |
| Colloid | 70 |
| Camera lens module | 200 |
| Camera lens | 210 |
Following embodiment will further illustrate the present invention in conjunction with above-mentioned accompanying drawing.
Embodiment
As shown in Figure 1-2, be a kind of voice coil motor 100 that embodiment of the present invention provides, it comprises fixed part 10, moving part 20, shell fragment 30, magnet assembly 40, coil 50, lower cover 60 and colloid 70 one by one.
Described fixed part 10 is cubic, it sidewall 12 comprising a upper cover 11 and be vertically installed in upper cover 11 edge.Described upper cover 11, in rectangular-shaped, offers first through hole 111 at it near center position.Described upper cover 11 comprises a bottom surface 112, and described bottom surface 112 vertically extends one first connecting portion 113 respectively near the position at turning.Described sidewall 12 comprises an inner surface 121 and away from a joint face 122 of described upper cover 11, described inner surface 121 offers multiple first storage tank 123.In present embodiment, described upper cover 11 is provided with 4 the first connecting portions 113, described sidewall 12 is provided with 4 the first storage tanks 123, and wherein said 4 the first storage tanks 123 are oppositely arranged between two.
Described moving part 20 comprise a upper surface 21, one and opposing lower surface, described upper surface 21 22 and be vertically connected on outer surface 23 between described upper surface 21 and lower surface 22.Described moving part 20 offers the containing hole 24 that runs through described upper surface 21 and lower surface 22, the inner side of described containing hole 24 offers internal thread.Described upper surface 21 vertically extends multiple second connecting portion 211 around the position of described containing hole 24.Described outer surface 23 offers one around the second storage tank 231 of described moving part 20.In present embodiment, described moving part 20 is provided with 4 the second connecting portions 211.
Described shell fragment 30 is in rectangular-shaped, and it adopts metal stamping to form.The connecting portion 33 that described shell fragment 30 comprises outer portion 31, internal ring portion 32 and is connected between described outer portion 31 and internal ring portion 32.Described outer portion 31 arranges one first connecting hole 311 respectively near the position at turning, described internal ring portion 32 offers multiple second connecting hole 321.In present embodiment, described outer portion 31 is provided with 4 the first connecting holes 311, described internal ring portion 32 is provided with 4 the second connecting holes 321.
Described magnet assembly more than 40 magnet 41 forms.Described each magnet 41 is tabular permanent magnets, and is separately positioned in the first storage tank 123 of described sidewall 12.In present embodiment, described magnet assembly 40 comprises 4 magnet 41.
Described coil 50 is wire, and its outer surface 23 along described moving part 20 is around being arranged in described second storage tank 231.
Described lower cover 60 is in rectangular-shaped, and it comprises the lower surface 62 that described in a upper surface 61 and, upper surface 61 is opposing.Described lower cover 60 offers by paracentral position the centre bore 63 that runs through described upper surface 61 and described lower surface 62.Described upper surface 61 offers one first accepting groove 611 along described centre bore 63 respectively and has one second accepting groove 612 along the edge of described upper surface 61.In present embodiment, described first accepting groove 611 is in circular, and described second accepting groove 612 is square ring-type.
As shown in Figure 3-4, in an assembling process, first described shell fragment 30 is fastened between described fixed part 10 and described moving part 20.First connecting portion 113 of described upper cover 11 is contained in the first connecting hole 311 of the outer portion 31 of described shell fragment 30.Second connecting portion 211 of described moving part 20 is contained in the second connecting hole 321 of the internal ring portion 32 of described shell fragment 30.Described first connecting portion 113 and described outer portion 31 and fixed by some glue between described second connecting portion 211 and described internal ring portion 32.Then, be placed on by described fixed part 10 on described lower cover 60, described second accepting groove 612 is positioned at immediately below the joint face 122 of described fixed part 10, and described joint face 122 contacts with the colloid 70 be housed in described second accepting groove 612.Make described first through hole 111, the optical axis of described containing hole 24 and described centre bore 63 is on same straight line.Can be spilled in described first accepting groove 611 when there being colloid 70 too much in described second accepting groove 612, and can not flow out from described centre bore 63.In addition, the dirt bits produced in the assembling process of described voice coil motor 100 will fall into described first accepting groove 611, and the colloid 70 be spilled in described first accepting groove 611 adsorbed, thus effectively prevent dirt to consider the secondary pollution produced to be worth doing.Finally, described colloid 70 is fixed, fixes with described lower cover 60 to make described fixed part 10.
In use, pass to electric current to described coil 50, according to electromagnetic induction principle, described coil 50 produces the magnetic pole magnetic field identical with described magnet assembly 40, thus drives described moving part 20 to rise along the relative lower cover 60 of its optical axis direction from initial position.In this motion process, described shell fragment 30 produces elastic deformation, otherwise bestows moving part 20 and this motive force direction phase restoring force.When cutting off this and leading to the electric current of described coil 50, this shell fragment 30 will recover deformation, and described moving part 20 returns back to this initial position under the effect of the restoring force of described shell fragment 30.
As shown in Figure 5, the camera lens module 200 of voice coil motor 100 for using embodiment of the present invention to provide.Described camera lens module 200 also comprises a camera lens 210, and described camera lens 210 is assembled in the containing hole 24 of described moving part 20.
Voice coil motor provided by the invention and using to cover under in the camera lens module of this voice coil motor and offers one first accepting groove along described centre bore and have second accepting groove be connected with described first accepting groove along the edge of described upper surface, the colloid be housed in described second accepting groove can be spilled in described first accepting groove, thus effectively prevent colloid to overflow to impact other elements described voice coil motor from described centre bore.
Be understandable that, for the person of ordinary skill of the art, the change and distortion that other various picture answers can be made by technical conceive according to the present invention, and all these change the protection range that all should belong to the claims in the present invention with distortion.
Claims (9)
1. a voice coil motor, it comprises a fixed part, a moving part, a shell fragment, a magnet assembly, a coil, a lower cover and colloid; Described moving part is housed in described fixed part, and described shell fragment is connected between described fixed part and described moving part; Described magnet assembly is fixed on the inner side of described fixed part; Described coil encircling in the outside of described moving part, and is oppositely arranged with described magnet assembly, drives described moving part to move relative to described fixed part for coordinating with described magnet assembly; Described lower cover comprises a upper surface and the lower surface opposing with described upper surface, covers and offer the centre bore that runs through described upper surface and described lower surface under described; Described upper surface offers one first accepting groove along described centre bore respectively and has one second accepting groove along the edge of described upper surface, described first accepting groove is connected with described second accepting groove; Described colloid is housed in described second accepting groove, and one end of described fixed part is fixedly connected with described lower cover by the colloid be housed in described second accepting groove.
2. voice coil motor as claimed in claim 1, is characterized in that: described fixed part comprises the sidewall that a upper cover and is installed in cover rim, and described shell fragment is connected between described upper cover and described moving part.
3. voice coil motor as claimed in claim 2, it is characterized in that: described upper cover comprises a bottom surface, described bottom surface is extended multiple first connecting portion, described moving part comprises a upper surface and a lower surface relative with described upper surface, described upper surface is extended multiple second connecting portion, described shell fragment is connected between described first connecting portion and described second connecting portion.
4. voice coil motor as claimed in claim 3, it is characterized in that: the connecting portion that described shell fragment comprises an outer portion, an internal ring portion and is connected between described outer portion and internal ring portion, described outer portion arranges one first connecting hole respectively near the position at turning, described internal ring portion offers multiple second connecting hole, described first connecting portion is housed in described first connecting hole, and described second connecting portion is housed in described second connecting hole.
5. voice coil motor as claimed in claim 3, is characterized in that: described moving part offers the containing hole that runs through described upper surface and lower surface.
6. voice coil motor as claimed in claim 5, it is characterized in that: described upper cover offers one first through hole near center position, the optical axis of described first through hole, described containing hole and described centre bore is on same straight line.
7. voice coil motor as claimed in claim 3, it is characterized in that: described moving part comprises one and is connected to outer surface between described upper surface and described lower surface, described outer surface offers one second storage tank, described coil encircling is arranged in described second storage tank.
8. voice coil motor as claimed in claim 2, it is characterized in that: described sidewall comprises an inner surface, described inner surface offers multiple first storage tank, described magnet assembly is housed in described first storage tank.
9. a camera lens module, it camera lens comprising the voice coil motor according to any one of claim 1 ~ 8 and be contained in the moving part of this voice coil motor.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310212369.4A CN104218767A (en) | 2013-05-31 | 2013-05-31 | Voice coil motor and lens module |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310212369.4A CN104218767A (en) | 2013-05-31 | 2013-05-31 | Voice coil motor and lens module |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN104218767A true CN104218767A (en) | 2014-12-17 |
Family
ID=52099988
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201310212369.4A Pending CN104218767A (en) | 2013-05-31 | 2013-05-31 | Voice coil motor and lens module |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN104218767A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106338803A (en) * | 2015-07-14 | 2017-01-18 | 宁波舜宇光电信息有限公司 | Glue coating method used in AA manufacturing process and application thereof in camera-shooting module |
| CN113126231A (en) * | 2021-04-28 | 2021-07-16 | 新思考电机有限公司 | Optical anti-shake drive mechanism, drive and image pickup device, and electronic apparatus |
| WO2022083498A1 (en) * | 2020-10-22 | 2022-04-28 | 华为技术有限公司 | Optical lens and assembly process therefor, camera module, and electronic device |
-
2013
- 2013-05-31 CN CN201310212369.4A patent/CN104218767A/en active Pending
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106338803A (en) * | 2015-07-14 | 2017-01-18 | 宁波舜宇光电信息有限公司 | Glue coating method used in AA manufacturing process and application thereof in camera-shooting module |
| WO2022083498A1 (en) * | 2020-10-22 | 2022-04-28 | 华为技术有限公司 | Optical lens and assembly process therefor, camera module, and electronic device |
| CN113126231A (en) * | 2021-04-28 | 2021-07-16 | 新思考电机有限公司 | Optical anti-shake drive mechanism, drive and image pickup device, and electronic apparatus |
| CN113126231B (en) * | 2021-04-28 | 2023-07-18 | 新思考电机有限公司 | Optical anti-shake driving mechanism, driving and image capturing device, and electronic apparatus |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| KR100941436B1 (en) | Motor for driving lens | |
| CN202405984U (en) | Gasket for voice coil motor | |
| CN204993010U (en) | Vibrating motor and electronic equipment | |
| CN204302559U (en) | A kind of voice coil motor | |
| CN203480110U (en) | Lens driving unit | |
| CN203896166U (en) | Three-axis voice coil motor with lens tilting motion controlled by five coils | |
| US20150364980A1 (en) | Voice coil motor | |
| CN104218766A (en) | Voice coil motor and lens module | |
| CN104218767A (en) | Voice coil motor and lens module | |
| CN104284063A (en) | Camera module | |
| US20130026858A1 (en) | Voice coil motor and lens module | |
| CN103095090A (en) | Voice coil motor and lens module | |
| US8981603B2 (en) | Voice coil motor with connective stability | |
| CN203912063U (en) | Camera module and support thereof | |
| US8482165B2 (en) | Voice coil motor housing and voice coil motor using same | |
| CN102710088B (en) | Improved voice coil motor | |
| US20140355143A1 (en) | Voice coil motor and lens module | |
| CN112788210B (en) | Camera module and mobile terminal | |
| CN103066789A (en) | Flat electromagnetic linear vibrator | |
| US9250413B2 (en) | Voice coil motor and lens module | |
| CN208158402U (en) | A kind of voice coil motor of new function | |
| CN203119733U (en) | Flat-type electromagnetic linear vibrator | |
| CN202713107U (en) | Improved voice-coil motor | |
| CN205105075U (en) | Base and voice coil motor that voice coil motor was used | |
| CN102012604B (en) | Magnet construction member with at least four poles and shutter |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C02 | Deemed withdrawal of patent application after publication (patent law 2001) | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20141217 |