CN105892000A - Dustproof structure of voice coil motor - Google Patents
Dustproof structure of voice coil motor Download PDFInfo
- Publication number
- CN105892000A CN105892000A CN201610226473.2A CN201610226473A CN105892000A CN 105892000 A CN105892000 A CN 105892000A CN 201610226473 A CN201610226473 A CN 201610226473A CN 105892000 A CN105892000 A CN 105892000A
- Authority
- CN
- China
- Prior art keywords
- lower cover
- support
- dust
- voice coil
- coil motor
- 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
Classifications
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B7/00—Mountings, adjusting means, or light-tight connections, for optical elements
- G02B7/02—Mountings, adjusting means, or light-tight connections, for optical elements for lenses
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B27/00—Optical systems or apparatus not provided for by any of the groups G02B1/00 - G02B26/00, G02B30/00
- G02B27/0006—Optical systems or apparatus not provided for by any of the groups G02B1/00 - G02B26/00, G02B30/00 with means to keep optical surfaces clean, e.g. by preventing or removing dirt, stains, contamination, condensation
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K41/00—Propulsion systems in which a rigid body is moved along a path due to dynamo-electric interaction between the body and a magnetic field travelling along the path
- H02K41/02—Linear motors; Sectional motors
- H02K41/035—DC motors; Unipolar motors
- H02K41/0352—Unipolar motors
- H02K41/0354—Lorentz force motors, e.g. voice coil motors
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K5/00—Casings; Enclosures; Supports
- H02K5/04—Casings or enclosures characterised by the shape, form or construction thereof
- H02K5/10—Casings or enclosures characterised by the shape, form or construction thereof with arrangements for protection from ingress, e.g. water or fingers
Landscapes
- Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- General Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Electromagnetism (AREA)
- Lens Barrels (AREA)
- Studio Devices (AREA)
Abstract
The invention discloses a dustproof structure of a voice coil motor. The dustproof structure comprises a housing, a lens, an upper elastic sheet, a support, a lower elastic sheet, a lower cover, and dustproof adhesive. The lower cover is fixedly disposed on the bottom part of the housing, and the middle part of the lower cover is provided with a middle hole, which is used for the penetrating of the lens. The lens is fixedly disposed in the support in a sleeved manner, and the lower end of the lens passes through the middle hole of the lower cover. The support is disposed in the housing in a sleeved manner, and the top surface and the bottom surface of the support respectively abut against the upper elastic sheet and the lower elastic sheet, which are disposed in the housing in a sleeved manner. The dustproof adhesive is disposed on the top surface of the lower cover and in the outer side of the middle hole of the lower cover in an adhesive manner, and the position is right under the support. During the product assembly process, under the actions of the collision between the lens and the support and the gravity, the component burr fin or the dust can fall on the dustproof adhesive on the lower cover, and during the moving of the support, the dust and the component burr fin can fall through the lateral slit of the support, and can be adhered by the dustproof adhesive, and therefore the dust and the component burr fin are prevented from falling on a surface of an image sensor, the image sensor is not affected, and the dustproof effect is good.
Description
Technical field
The present invention relates to a kind of camera installation, particularly relate to the dustproof construction of a kind of voice coil motor.
Background technology
Voice coil motor has high frequency sound, high-precision feature.Its cardinal principle is in a permanent-magnetic field, by changing the DC current size of motor interior loop, controls the stretch position of spring leaf, thus drives up and down motion.Mobile phone camera uses VCM to realize automatic focusing function widely, can be regulated the position of camera lens by VCM, presents image clearly.Voice coil motor includes shell, camera lens, upper shell fragment, support, lower shell fragment, lower cover；Described lower cover is fixed on the bottom of shell, has a mesopore allowing camera lens pass in the middle part of lower cover, and camera lens is fixed and is nested with in support and lower end is through the mesopore of lower cover, and support is nested with in the enclosure.The image sensor of camera lens is positioned at the underface of camera lens.Owing to being all socket relation between shell, camera lens, support, during assembling product, camera lens is when loading in support, being threaded connection due between the support that camera lens meeting and plastic material are made, both have collision and burr or dust may fall into and be attached on image sensor under gravity；Meanwhile, in use, owing to camera lens needs focusing thus displacement before and after driving voice coil motor, dust also can fall under cover, then fall into from gap and be attached to image sensor, affect the work of voice coil motor.
Summary of the invention
It is an object of the invention to provide the dustproof construction of the voice coil motor of a kind of good dustproof effect.
For achieving the above object, the technical solution of the present invention is:
The present invention is the dustproof construction of a kind of voice coil motor, including shell, camera lens, upper shell fragment, support, lower shell fragment, lower cover；Described lower cover is fixed on the bottom of shell, there is in the middle part of lower cover a mesopore allowing camera lens pass, camera lens is fixed and is nested with in support and lower end is through the mesopore of lower cover, and support is nested with in shell, the end face of support and bottom surface respectively with the upper shell fragment being nested with in the enclosure and lower shell fragment against；Also include dust-proof glue, this dust-proof glue be arranged on lower cover end face and be positioned at outside lower cover mesopore.
Described cradle bottom surface is provided with the annular ring that a circle downwardly extends, and lower cover is provided with a upwardly extending flange collar of circle around the periphery of its mesopore, and this flange collar stretches in the annular ring of cradle bottom surface, is arranged on down the dust-proof glue covered and is positioned at below the annular ring of cradle bottom surface.
Described dust-proof glue coats or is pasted onto down and covers and arrange around lower cover mesopore.
Described lower cover offers multiple arc deep gouge around the periphery of its mesopore, coats or paste one layer of dust-proof glue in this deep gouge.
Described deep gouge is four.
After using such scheme, owing to present invention additionally comprises dust-proof glue, this dust-proof glue be arranged on lower cover end face and be positioned at outside lower cover mesopore, this position is placed exactly in the lower section of support, during assembling product, between camera lens and support collision and under gravity burr or dust fall under the dust-proof Jiao Chu that covers, just by dust-proof gluing attached, simultaneously, support is when action, dust and parts burr fall from the lateral gap of support, and just by dust-proof gluing attached, avoid dust and parts burr falls on the surface of image sensor, and the impact on image sensor, good dustproof effect.
Further, owing to lower cover is provided with a upwardly extending flange collar of circle around the periphery of its mesopore, this flange collar stretches in the annular ring of cradle bottom surface, during assembling product, the dust of camera lens and support and support when action, even if fall under the dust that covers and parts burr not by dust-proof gluing live, be also unlikely to the surface at image sensor that can fall, and the impact on image sensor, improve dust-proof effect further.
The present invention is further illustrated with specific embodiment below in conjunction with the accompanying drawings.
Accompanying drawing explanation
Fig. 1 is the three-dimensional exploded view of first embodiment of the invention；
Fig. 2 is the sectional view of first embodiment of the invention；
Fig. 3 is the three-dimensional exploded view of first embodiment of the invention lower cover and dust-proof glue；
Fig. 4 is the front view of first embodiment of the invention lower cover；
Fig. 5 is the Fig. 4 sectional view along line A-A；
Fig. 6 is the three-dimensional exploded view of second embodiment of the invention lower cover and dust-proof glue；
Fig. 7 is the axonometric chart of second embodiment of the invention lower cover and dust-proof glue；
Fig. 8 is the front view of second embodiment of the invention lower cover；
Fig. 9 is the Fig. 8 sectional view along line A-A；
Figure 10 is the sectional view of third embodiment of the invention.
Detailed description of the invention
As Figure 1-Figure 5, being first embodiment of the dustproof construction of a kind of voice coil motor of the present invention, it includes shell 1, camera lens 2, upper shell fragment 3, support 4, lower shell fragment 5, lower cover 6, dust-proof glue 7.
Described lower cover 6 is fixed on the bottom of shell 1, there is in the middle part of lower cover 6 mesopore allowing camera lens pass 61, on lower cover 6 end face, offer four arc deep gouges 62 around the periphery of its mesopore 61, camera lens 2 is fixing to be nested with support 4 in and lower end passes the mesopore of lower cover 6, support 4 is nested with in shell 1, the end face of support 4 and bottom surface respectively with the upper shell fragment 3 being nested with in shell 1 and lower shell fragment 5 against.Being respectively coated with in four deep gouges 62 of described lower cover 6 or paste one layer of dust-proof glue 7, the dust fallen from gap between camera lens 2 and support 4 and parts burr and the dust and the parts burr that fall from the lateral gap of support can be adhered to by this dust-proof glue 7.
As shown in Fig. 6-Fig. 9, it is second embodiment of the dustproof construction of a kind of voice coil motor of the present invention, its structure is essentially identical with first embodiment, except that: the end face of lower cover 6 ' does not offers deep gouge, and dust-proof glue 7 ' coats or is pasted onto on the end face of lower cover 6 ' and arranges around lower cover 6 ' mesopore 61 '.
As shown in Figure 10, it is the 3rd embodiment of the dustproof construction of a kind of voice coil motor of the present invention, its structure is essentially identical with first embodiment, except that: lower cover 6 " around its mesopore 61 " and periphery be provided with a upwardly extending flange collar of circle 62 ", this flange collar 62 " stretch into support 4 " annular ring 41 of bottom surface " in, coating or be pasted onto lower cover 6 " on dust-proof glue 7 " be positioned at support 4 " annular ring 41 of bottom surface " lower section, by support 4 " annular ring 41 " with lower cover 6 " flange collar 62 " and coordinate, can preferably prevent dust from falling into and be arranged on camera lens 2 " lower section image sensor.
In the present invention in the lower cover 6 in first embodiment and second embodiment lower cover 6 ' relative to lower cover 6 in the 3rd embodiment " eliminate upwardly extending flange collar 62 ", thus so that while voice coil motor possesses dust-proof effect, the whole height of voice coil motor is reduced, volume diminishes, and preferably realizes the miniaturization of voice coil motor.
It is the most all to use mechanized equipment to realize continuously to produce due to voice coil motor, in order to preferably realize mechanization, preferably uses the mode of coating to be arranged on the end face of lower cover 6 by dust-proof glue 7.
The emphasis of the present invention is that and arranges a dust-proof glue.
The above, it is only present pre-ferred embodiments, depending on the installation quantity of dust-proof glue and shape can be according to needs, therefore can not limit, with this, the scope that the present invention implements, the equivalence change i.e. made according to scope of the present invention patent and description and modification, all should still remain within the scope of the patent.
Claims (5)
1. a dustproof construction for voice coil motor, including shell, camera lens, upper shell fragment, support, lower shell fragment, lower cover；Described lower cover is fixed on the bottom of shell, there is in the middle part of lower cover a mesopore allowing camera lens pass, camera lens is fixed and is nested with in support and lower end is through the mesopore of lower cover, and support is nested with in shell, the end face of support and bottom surface respectively with the upper shell fragment being nested with in the enclosure and lower shell fragment against；It is characterized in that: also include dust-proof glue, this dust-proof glue be arranged on lower cover end face and be positioned at outside lower cover mesopore.
The dustproof construction of voice coil motor the most according to claim 1, it is characterized in that: described cradle bottom surface is provided with the annular ring that a circle downwardly extends, lower cover is provided with a upwardly extending flange collar of circle around the periphery of its mesopore, this flange collar stretches in the annular ring of cradle bottom surface, is arranged on down the dust-proof glue covered and is positioned at below the annular ring of cradle bottom surface.
The dustproof construction of voice coil motor the most according to claim 1 and 2, it is characterised in that: described dust-proof glue coats or is pasted onto down and covers and arrange around lower cover mesopore.
The dustproof construction of voice coil motor the most according to claim 1 and 2, it is characterised in that: described lower cover offers multiple arc deep gouge around the periphery of its mesopore, coats or paste one layer of dust-proof glue in this deep gouge.
The dustproof construction of voice coil motor the most according to claim 4, it is characterised in that: described deep gouge is four.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610226473.2A CN105892000A (en) | 2016-04-13 | 2016-04-13 | Dustproof structure of voice coil motor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610226473.2A CN105892000A (en) | 2016-04-13 | 2016-04-13 | Dustproof structure of voice coil motor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN105892000A true CN105892000A (en) | 2016-08-24 |
Family
ID=57012426
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610226473.2A Pending CN105892000A (en) | 2016-04-13 | 2016-04-13 | Dustproof structure of voice coil motor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN105892000A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109143523A (en) * | 2017-06-27 | 2019-01-04 | 日本电产三协（东莞）工机有限公司 | Lens unit and its manufacturing method |
| CN111158099A (en) * | 2018-11-08 | 2020-05-15 | 三赢科技（深圳）有限公司 | Camera module and lens bracket thereof |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN202206468U (en) * | 2011-08-24 | 2012-04-25 | 吴勇刚 | Automatic-focusing monitoring probe |
| CN103138522A (en) * | 2011-11-23 | 2013-06-05 | 鸿富锦精密工业（深圳）有限公司 | Voice coil motor and camera module with same |
| CN104079138A (en) * | 2013-03-26 | 2014-10-01 | 闳晖实业股份有限公司 | Voice coil motor actuator and manufacturing method of voice coil motor actuator |
| CN105429419A (en) * | 2015-12-29 | 2016-03-23 | 深圳市美意达科技有限公司 | Voice coil motor capable of being centered accurately |
| CN105449973A (en) * | 2015-12-30 | 2016-03-30 | 信利光电股份有限公司 | Voice coil motor |
| CN205620596U (en) * | 2016-04-13 | 2016-10-05 | 厦门新鸿洲精密科技有限公司 | Dustproof construction of voice coil motor |
-
2016
- 2016-04-13 CN CN201610226473.2A patent/CN105892000A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN202206468U (en) * | 2011-08-24 | 2012-04-25 | 吴勇刚 | Automatic-focusing monitoring probe |
| CN103138522A (en) * | 2011-11-23 | 2013-06-05 | 鸿富锦精密工业（深圳）有限公司 | Voice coil motor and camera module with same |
| CN104079138A (en) * | 2013-03-26 | 2014-10-01 | 闳晖实业股份有限公司 | Voice coil motor actuator and manufacturing method of voice coil motor actuator |
| CN105429419A (en) * | 2015-12-29 | 2016-03-23 | 深圳市美意达科技有限公司 | Voice coil motor capable of being centered accurately |
| CN105449973A (en) * | 2015-12-30 | 2016-03-30 | 信利光电股份有限公司 | Voice coil motor |
| CN205620596U (en) * | 2016-04-13 | 2016-10-05 | 厦门新鸿洲精密科技有限公司 | Dustproof construction of voice coil motor |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109143523A (en) * | 2017-06-27 | 2019-01-04 | 日本电产三协（东莞）工机有限公司 | Lens unit and its manufacturing method |
| CN109143523B (en) * | 2017-06-27 | 2024-02-09 | 日本电产三协（东莞）工机有限公司 | Lens unit and method for manufacturing the same |
| CN111158099A (en) * | 2018-11-08 | 2020-05-15 | 三赢科技（深圳）有限公司 | Camera module and lens bracket thereof |
| CN111158099B (en) * | 2018-11-08 | 2021-12-31 | 三赢科技（深圳）有限公司 | Camera module and lens bracket thereof |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20160824 |
|
| RJ01 | Rejection of invention patent application after publication |