CN209731041U - Dust-proof voice coil motor - Google Patents
Dust-proof voice coil motor Download PDFInfo
- Publication number
- CN209731041U CN209731041U CN201920463101.0U CN201920463101U CN209731041U CN 209731041 U CN209731041 U CN 209731041U CN 201920463101 U CN201920463101 U CN 201920463101U CN 209731041 U CN209731041 U CN 209731041U
- Authority
- CN
- China
- Prior art keywords
- camera lens
- shell
- lens carrier
- dust
- voice coil
- 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.)
- Expired - Fee Related
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- Studio Devices (AREA)
- Lens Barrels (AREA)
Abstract
The utility model relates to lock technology fields, and in particular to including open-topped shell, the pedestal of housing bottom and the camera lens carrier mould group for driving camera lens to rotate is arranged in dust-proof voice coil motor；The top of shell is equipped with several fixture blocks extended in the middle part of it downward vertically, circle distribution of several fixture blocks along opening；The center of pedestal is equipped with a through-hole, and the periphery of through-hole is equipped with the dust-proof guard for upwardly extending and being formed an annular；Four corners of pedestal are additionally provided with a connection structure being fixedly connected respectively to four corners with shell；The advantages that camera lens carrier mould group is fixedly connected in shell, and the utility model is structurally reasonable, and assembly is easy, dust-proof, long service life.
Description
Technical field
The utility model relates to the camera modules of electronic component, and in particular to a kind of dust-proof voice coil motor.
Background technique
Currently, focusing driving device generallys use voice coil motor in the camera of miniaturization.
Common voice coil motor mainly includes shell, camera lens carrier, elastic slice and magnetic part.The camera lens carrier is to install mirror
Cylinder, lateral wall are wound with coil.The magnetic part is around the camera lens carrier and opposite with coil.The elastic slice is fixed on camera lens carrier
Bottom, be used to bestow camera lens carrier elastic-restoring force to prevent camera lens carrier impaired.When zoom, the coil and electric current phase
Lead to and generate electromagnetic field, the magnetic field interaction of the electromagnetic field and magnetic part generates the drive force of movable lens carrier
Lens barrel is moved with respect to image sensor, to change the distance between eyeglass and the image sensor in lens barrel, and then is realized and is become
It is burnt.
However, very sensitive to dust pollution for the molding voice coil motor of image, external micronic dust may after entering motor
Into in imaging mechanism, image quality is influenced.Dustproof baffle is equipped with below existing voice coil motor dust-proof guard, usually carrier
Plate, pedestal are equipped with boss, and dust-proof guard and boss contact with each other, and closing progress is dust-proof, and this dust-proof guard one side pedestal is convex
It has been easy glue on platform, will cause bottom hysteresis；The requirement of the another aspect accuracy of manufacture is relatively high, is easy to produce gap, and cause
Motor seal is not strong.
Therefore, it is necessary to provide a kind of technological means to solve drawbacks described above.
Utility model content
The purpose of the utility model is to overcome the defects of the prior art, provide dust-proof voice coil motor, to solve existing skill
There are glue has been easy on the dust-proof guard one side base boss of voice coil motor shell in art, bottom hysteresis will cause；It is another
The aspect accuracy of manufacture requires relatively high, the problem for being easy to produce gap, and causing motor seal not strong.
The utility model is realized in this way dust-proof voice coil motor, including open-topped shell, setting are in housing bottom
Pedestal and for drive camera lens rotate camera lens carrier mould group；
The top of the shell is equipped with several fixture blocks extended in the middle part of it downward vertically, several described fixture blocks are along institute
State the circle distribution of opening；
The center of the pedestal is equipped with a through-hole, and the periphery of the through-hole, which is equipped with, upwardly extends and formed the dust-proof of an annular
Baffle；Four corners of the pedestal are respectively equipped with a connection structure being fixedly connected to four corners with the shell；
The camera lens carrier mould group is fixedly connected in the shell.
Preferably, the center line of the opening is overlapped with the center line of the through-hole.
Preferably, the camera lens carrier mould group include camera lens carrier, fixed frame, two magnetic parts, the first spring leaf and
Second spring piece；
The camera lens carrier is tube structure, and one end is fixedly connected with the opening, and the other end is set in the through-hole
Dust-proof guard on；The outside of the camera lens carrier is equipped with the coil for wound wire；
The fixed frame is set on the coil；
Described two magnetic parts are individually fixed in the two sides of the camera lens carrier；
First spring leaf is mounted on the top of the camera lens carrier, and fixes with the second detent protrusion of the boss
Connection；
The second spring piece is mounted on the bottom of the camera lens carrier, and fixes and connect with the first detent of the flange
It connects.
Preferably, the coil includes several boss；Circle distribution of the boss along camera lens carrier；Adjacent two
A card slot is equipped between the boss；The fixture block of the shell protrudes into the card slot, for fixing the shell.
Preferably, the connection structure includes four connecting columns, and four connecting columns are fixedly connected on institute vertically respectively
It states on four corners of pedestal；Described four connecting column one end are protruded into the shell, and solid with four corners of the shell
Fixed connection.
Preferably, the chamfered design in side that the connecting column is connected with the shell.
The technical effect of the Focusable glasses piece of the utility model are as follows:
The voice coil motor structure of the application is reasonable, and assembly is easy, and camera lens carrier is set on dustband, the interconnecting piece of camera lens
It is threadedly coupled with camera lens carrier, and the interconnecting piece of camera lens and dustband inner sidewall closely connect, is added in the terminal of voice coil motor
After the dust-proof guard of annular, dust-proof guard is coated on the junction of camera lens Yu camera lens carrier, prevent its dust from by camera lens and
Gap between camera lens carrier enters in camera lens carrier mould group, guarantees imaging effect, improves product quality.
Moreover, coil includes several boss being circumferentially arranged along camera lens carrier, it is equipped between two adjacent boss
For the card slot that fixture block protrudes into, the shell for fixing limits the range of shell horizontal direction left-right rotation, effectively prevent shell loose
It is dynamic to fall off, improve the effect of lens imaging.
Detailed description of the invention
Fig. 1: the decomposition texture schematic diagram of dust-proof voice coil motor involved in the utility model embodiment.
Fig. 2: the decomposition texture schematic diagram of dust-proof another angle of voice coil motor involved in the utility model embodiment.
Specific embodiment
In order to make the purpose of the utility model, technical solutions and advantages more clearly understood, below in conjunction with attached drawing and implementation
Example, the present invention will be further described in detail.It should be appreciated that specific embodiment described herein is only used to explain
The utility model is not used to limit the utility model.
It should be noted that it can be directly another when element is referred to as " being fixed on " or " being set to " another element
On one element or it may be simultaneously present centering elements.When an element is known as " being connected to " another element, it can
To be directly to another element or may be simultaneously present centering elements.It is known as and " is fixedly connected when an element
In " another element when, it can be using welding or is bolted or what glued connection etc. was common is fixedly connected with mode.It please join
Fig. 1 is read, and combines Fig. 2, is an embodiment provided by the utility model, and the dust-proof voice coil motor in the present embodiment, for driving
The effect of quickcam image focusing is moved, the dust-proof voice coil motor in the present embodiment includes the shell 10 of top opening 11, is arranged in shell
The pedestal 20 of 10 bottoms and for drive camera lens rotate 34 mould group 20 of camera lens carrier, below to each of dust-proof voice coil motor
Building block is described further:
The top of shell 10 is equipped with several fixture blocks 12 extended in the middle part of it downward vertically, several fixture blocks 12 are along opening
11 circle distribution；
The center of pedestal 20 is equipped with a through-hole 21, and the periphery of through-hole 21 is equipped with the dustproof baffle for upwardly extending and being formed an annular
Plate 22；Four corners of pedestal 20 are respectively equipped with a connection structure being fixedly connected to four corners with shell 10；
34 mould group 20 of camera lens carrier is fixedly connected in shell 10.
Further, 11 center line of being open is overlapped with the center line of through-hole 21.
Referring to Fig. 2, another embodiment as the utility model, 34 mould group 20 of camera lens carrier include camera lens carrier 34,
32, two magnetic parts 33 of fixed frame, the first spring leaf 31 and second spring piece 35；
Camera lens carrier 34 is tube structure, and one end is fixedly connected with opening 11, and the other end is set in the dust-proof of through-hole 21
On baffle 22；The outside of camera lens carrier 34 is equipped with the coil for wound wire；
Fixed frame 32 is set on coil；
Two magnetic parts 33 are individually fixed in the two sides of camera lens carrier 34；
First spring leaf 31 is mounted on the top of camera lens carrier 34；
Second spring piece 35 is mounted on the bottom of camera lens carrier 34.
The bottom of camera lens carrier 34 in the present embodiment is set on dust-proof guard 22, and dust-proof guard 22 plays packet at this time
It overlays on the bottom of 34 mould group 20 of camera lens carrier and shell 10, so that dust can not enter shell 10 by pedestal 20 and camera lens carries
In 34 mould group 20 of body.
Referring to Fig. 1, another embodiment as the utility model, coil includes several boss；Boss is carried along camera lens
The circle distribution of body 34, boss is preferably four in the present embodiment；Material winds its cross section when on coil is in octagon；Phase
A card slot is equipped between two adjacent boss；The fixture block 12 of shell 10 protrudes into card slot, for fixing shell 10.Accordingly, it is used for
Fixed institute's shell 10, limits the range of 10 horizontal direction left-right rotation of shell, effectively prevent 10 loose or dislocation of shell, improves camera lens
The effect of imaging.
Referring to Fig. 1, another embodiment as the utility model, connection structure includes four connecting columns 23, four companies
Column 23 is connect to be fixedly connected on vertically respectively on four corners of pedestal 20；Four 23 one end of connecting column are protruded into shell 10, and with
Four corners of shell 10 are fixedly connected.Accordingly, the installation and removal that can assist realizing pedestal 20 and shell 10, structure are played
Simply, conveniently.
Referring to Fig. 1, another embodiment as the utility model, the side that connecting column 23 is connected with shell 10 is in
Angle design.Accordingly, the installation and removal that can assist realizing pedestal 20 and shell 10 are played, structure is simply, conveniently.
The foregoing is merely the utility model preferred embodiment, structure is not limited to the above-mentioned shape enumerated,
Any modifications, equivalent replacements, and improvements made within the spirit and principle of the present invention etc., should be included in this reality
Within novel protection scope.
Claims (6)
1. dust-proof voice coil motor, it is characterised in that: including open-topped shell, the pedestal that housing bottom is arranged in, Yi Jiyong
In the camera lens carrier mould group of driving camera lens rotation；
The top of the shell is equipped with several fixture blocks extended in the middle part of it downward vertically, several described fixture blocks are opened described in
The circle distribution of mouth；
The center of the pedestal is equipped with a through-hole, and the periphery of the through-hole is equipped with the dustproof baffle for upwardly extending and being formed an annular
Plate；Four corners of the pedestal are respectively equipped with a connection structure being fixedly connected to four corners with the shell；
The camera lens carrier mould group is fixedly connected in the shell.
2. dust-proof voice coil motor according to claim 1, it is characterised in that: the center line of the opening and the through-hole
Center line is overlapped.
3. dust-proof voice coil motor according to claim 1 or 2, it is characterised in that: the camera lens carrier mould group includes camera lens
Carrier, fixed frame, two magnetic parts, the first spring leaf and second spring piece；
The camera lens carrier is tube structure, and one end is fixedly connected with the opening, and the other end is set in the anti-of the through-hole
On dirt baffle；The outside of the camera lens carrier is equipped with the coil for wound wire；
The fixed frame is set on the coil；
Described two magnetic parts are individually fixed in the two sides of the camera lens carrier；
First spring leaf is mounted on the top of the camera lens carrier；
The second spring piece is mounted on the bottom of the camera lens carrier.
4. dust-proof voice coil motor according to claim 3, it is characterised in that: the coil includes several boss；It is described
Circle distribution of the boss along camera lens carrier；A card slot is equipped between two adjacent boss；The fixture block of the shell protrudes into
In the card slot, for fixing the shell.
5. dust-proof voice coil motor according to claim 1 or 2, it is characterised in that: the connection structure includes four connections
Column, four connecting columns are fixedly connected on vertically respectively on four corners of the pedestal；It stretches described four connecting column one end
Enter in the shell, and is fixedly connected with four corners of the shell.
6. dust-proof voice coil motor according to claim 5, it is characterised in that: the connecting column is connected with the shell
The chamfered design in side.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920463101.0U CN209731041U (en) | 2019-04-08 | 2019-04-08 | Dust-proof voice coil motor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920463101.0U CN209731041U (en) | 2019-04-08 | 2019-04-08 | Dust-proof voice coil motor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209731041U true CN209731041U (en) | 2019-12-03 |
Family
ID=68690735
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920463101.0U Expired - Fee Related CN209731041U (en) | 2019-04-08 | 2019-04-08 | Dust-proof voice coil motor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209731041U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111031461A (en) * | 2019-12-31 | 2020-04-17 | 歌尔股份有限公司 | A dustproof construction and MEMS microphone packaging structure for MEMS device |
| CN112987226A (en) * | 2021-03-04 | 2021-06-18 | 新思考电机有限公司 | Driving device, camera module and electronic equipment |
-
2019
- 2019-04-08 CN CN201920463101.0U patent/CN209731041U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111031461A (en) * | 2019-12-31 | 2020-04-17 | 歌尔股份有限公司 | A dustproof construction and MEMS microphone packaging structure for MEMS device |
| CN112987226A (en) * | 2021-03-04 | 2021-06-18 | 新思考电机有限公司 | Driving device, camera module and electronic equipment |
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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: 20191203 Termination date: 20210408 |