CN204302559U - A kind of voice coil motor - Google Patents
A kind of voice coil motor Download PDFInfo
- Publication number
- CN204302559U CN204302559U CN201420823748.7U CN201420823748U CN204302559U CN 204302559 U CN204302559 U CN 204302559U CN 201420823748 U CN201420823748 U CN 201420823748U CN 204302559 U CN204302559 U CN 204302559U
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- CN
- China
- Prior art keywords
- camera lens
- base
- voice coil
- lens carrier
- coil motor
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Abstract
The utility model discloses a kind of voice coil motor, comprising: base, support whole voice coil motor, conductive weld leg, for the importing of electric current; Two lower spring sheets; Camera lens carrier, is supported by base, for carrying camera lens and driving camera lens to move along optical axis direction; Shell, is fixedly connected with base, and camera lens carrier is placed in shell, and shell upper is provided with mounting groove; Upper spring leaf, fixed cover is located on mounting groove, upper spring leaf and lower spring sheet by camera lens carrier the mode of movement can support on optical axis; Magnet, is arranged on the below of spring leaf and is fixed in mounting groove; Electric current imports through conductive weld leg and to coil electricity, camera lens carrier is moved along optical axis direction.The utility model, by being arranged in the mounting groove of shell by upper spring leaf, without the need to installing gasket construction, is decreasing assembly process and assembly cost when assembling; Simultaneously by conductive weld leg and base one-body molded, be conducive to the saving of installation time, improve production efficiency and yields.
Description
Technical field
The utility model relates to lens actuation apparatus field, particularly relates to a kind of voice coil motor.
Background technology
Existing camera lens module is generally driven by voice coil motor and focuses.Voice coil motor is as the main driving element of lens driving, generally comprise the magnet arranged around coil for accommodating camera lens module carrier, a coil being set in carrier outside and four and the upper and lower pad being arranged on carrier upper and lower side, and shell.Existing voice coil motor is when assembling, assemble sequence is needed to be assembled by said elements successively, in existing assembling process, due to the structure relative complex of above-mentioned parts, it is more that it assembles up operation, assembly cost is higher, and especially when arranging upper and lower pad, efficiency of assembling is lower.
Utility model content
The purpose of this utility model is to provide a kind of voice coil motor, can reduce assembly process when meeting instructions for use, has saved assembly cost, improves production efficiency and yields.
For reaching this object, the utility model by the following technical solutions: a kind of voice coil motor, comprising:
Base, supports whole described voice coil motor, and two corners of its upper surface are respectively equipped with a metal conduction face;
Conductive weld leg, is installed in two corners of base bottom, and is communicated with described metal conduction face, for the importing of electric current;
Two lower spring sheets, symmetrical is arranged on described base, and is fixedly connected with metal conduction face respectively;
Camera lens carrier, is supported by base, and for carrying camera lens and driving described camera lens to move along optical axis direction, be arranged with coil outside it, described lower spring sheet is positioned at camera lens carrier base and is connected with coil;
Shell, is fixedly connected with base, and camera lens carrier is placed in described shell, and described shell upper is provided with mounting groove;
Upper spring leaf, fixed cover is located on mounting groove, described upper spring leaf and lower spring sheet by camera lens carrier the mode of movement can support on optical axis;
Magnet, is arranged on the below of spring leaf and is fixed in mounting groove, and correspondence is placed in the outside of coil;
Described electric current is through conductive weld leg importing and to coil electricity, coil drives described camera lens carrier to move along optical axis direction in the magnetic field of magnet.
As preferably, described camera lens carrier is tubular construction, and its intermediate throughholes is for placing described camera lens, and bottom is provided with step, and outer wall centre position is provided with multiple clamp, and described coil is arranged between described step and clamp; Below described step, be provided with two guide pillars, the both ends difference winding of coil is on two guide pillars.
As preferably, described coil is that metal wire rod winding forms, and its surrounding all scribbles coatings, and both ends are conducted electricity with described lower spring sheet and are connected.
As preferably, described conductive weld leg and base one-body molded.
As preferably, described magnet is four, and in trapezium structure, its inner surface is arc, and consistent with the shape of described coil.
As preferably, described base is provided with column, and described lower spring sheet has connecting hole, and is sleeved on described column by connecting hole.
As preferably, described shell and base are fixed by laser weld.
The beneficial effects of the utility model: by being arranged in the mounting groove of shell by upper spring leaf, without the need to installing gasket construction again, decrease assembly process and assembly cost when assembling; Simultaneously by conductive weld leg and base one-body molded, be conducive to the saving of installation time, improve production efficiency and yields; There is structure simple, the advantage that efficiency of assembling is high.
Accompanying drawing explanation
Fig. 1 is STRUCTURE DECOMPOSITION schematic diagram of the present utility model;
Fig. 2 is assembling schematic diagram of the present utility model;
Fig. 3 is the structural representation of the utility model base;
Fig. 4 is the structural representation of the utility model lower spring sheet;
Fig. 5 is the structural representation of the utility model camera lens carrier;
Fig. 6 is the structural representation of the utility model magnet;
Fig. 7 is the structural representation of the utility model shell.
In figure:
1, base; 2, conductive weld leg; 3, lower spring sheet; 4, camera lens carrier; 5, coil; 6, magnet; 7, upper spring leaf; 8, shell; 11, metal conduction face; 12, column; 31, connecting hole; 32, connecting portion; 41, step; 42, clamp; 43, guide pillar; 81, mounting groove.
Detailed description of the invention
The technical solution of the utility model is further illustrated by detailed description of the invention below in conjunction with accompanying drawing.
The utility model provides a kind of voice coil motor, is intended to reduce assembly process and assembly cost, and then improves efficiency of assembling and yields, and as shown in Figure 1, 2, this voice coil motor mainly comprises following parts:
Base 1, shown in figure 3, it is for supporting whole voice coil motor, is respectively equipped with a metal conduction face 11, works the current lead-through effect of forming a connecting link in two corners of the upper surface of base 1; Its upper surface is also provided with four columns 12, plays positioning action;
Conductive weld leg 2, as can be seen from Figure 3, it is installed in two corners of base 1 bottom, and be communicated with metal conduction face 11, for the importing of electric current, preferably, by the below being arranged on metal conduction face 11 of two conductive weld leg 2 correspondences, and then add and can very easily conductive weld leg 2 be contained on base 1 man-hour, decrease unnecessary program; In present embodiment, as a kind of preferred version, by conductive weld leg 2 directly and base 1 one-body molded, relative to original voice coil motor, assembly process can be reduced, improving production efficiency and yields, also prevent conductive weld leg 2 and loosen because of the reason of assembling or come off, cause whole motor to run.
Lower spring sheet 3 as shown in Figure 4, is two " [" type structure, symmetrical is arranged on base 1, and is fixedly connected with metal conduction face 11 respectively, therefore, it is possible to be connected to by electric current on the coil 5 of voice coil motor; Lower spring sheet 3 is provided with the connecting hole 31 corresponding with the column 12 of base 1, can be fixed on column 12 by lower spring sheet 3 by this connecting hole 31; Lower spring sheet 3 is also provided with a junction 32 simultaneously, for the connection with coil 5, due to the elastic characteristic of lower spring sheet 3 itself, its connecting portion 32 can move along with the movement of coil 5, but the part be fixed on base 1 can not be affected, move in the scope that namely connecting portion 32 can allow in the elastic deformation of lower spring sheet 3.
Camera lens carrier 4, with reference to figure 5, it is placed on the top of base 1, and is supported by base 1, and for carrying camera lens and driving described camera lens to move along optical axis direction, be arranged with coil 5 outside it, lower spring sheet 3 is positioned at the bottom of camera lens carrier 4 and is connected with coil 5.Camera lens carrier 4 is tubular construction, through hole in the middle of it is for placing camera lens, bottom is provided with step 41, for support coils 5, be provided with multiple clamp 42 in the outer wall centre position of camera lens carrier 4, for blocking coil 5, coil 5 is arranged between step 41 and clamp 42, coil 5 due to the existence of step 41 and clamp 42, can drive camera lens carrier 4 to move together, also just achieve the movement of camera lens in mobile; Be provided with two guide pillars 43 in the below of step 41, the both ends difference winding of coil 5 on two guide pillars 43, and contacts with lower spring sheet 3.
Shell 8, as shown in Figure 7, is fixedly connected with base 1, adopts the mode of laser weld shell 8 and base 1 to be fixed, as shown in Figure 1 in present embodiment.Camera lens carrier 4 is placed in shell 8, and the top of shell 8 is provided with mounting groove 81; Mounting groove 81 fixed cover is provided with spring leaf 7, and upper spring leaf 7 is monolithic construction, and it can be played a supporting role when coil 5 moves up, simultaneously because reaction force also can play certain reset response; Upper spring leaf 7 and lower spring sheet 3 by camera lens carrier 4 the mode of movement can support on optical axis.
Magnet 6, is arranged on the below of spring leaf 7 and is fixed in mounting groove 81, and the outside being arranged on coil 5 of correspondence, and can be bondd by binding agent, the position of coil 5 is corresponding with magnet 6, namely ensure that coil 5 can motion in the magnetic field of magnet 6.In present embodiment, the number of magnet 6 is preferably four, and it is that trapezium structure is arranged, and it compares easy processing relative to the magnet of original circular shape, and the inner surface of magnet 6 is arc, and consistent with the shape of coil 5, as Fig. 6.
Coil 5 is octagonal circulus, and be convenient to the installation on camera lens carrier 4 on the one hand, on the other hand, the magnetic field that can be formed with magnet 6 is in optimal position, and camera lens carrier 4 is moved along its optical axis direction by the electromagnetic force of generation accurately; In present embodiment, preferably, coil 5 forms for metal wire rod reels, and its surrounding all scribbles coatings, and both ends are conducted electricity with lower spring sheet 3 and are connected, and avoid leakage or the short circuit of electric current.
The utility model is by importing electric current through conductive weld leg 2 and being connected to coil 5 via lower spring sheet 3 energising, because coil 5 is in the magnetic field of magnet 6, therefore the magnetic field that produces of the electric current of its inside and the magnetic field interaction of magnet 6, coil 5 is made to produce a magnetic field force perpendicular to magnetic field, moving winding 5 can be with to move, and then drive camera lens carrier 4 to move along optical axis direction, achieve the driving to camera lens.
Obviously, above-described embodiment of the present utility model is only used to clearly demonstrate the utility model example, and is not the restriction to embodiment of the present utility model.For those of ordinary skill in the field, can also make other changes in different forms on the basis of the above description.Here exhaustive without the need to also giving all embodiments.All do within spirit of the present utility model and principle any amendment, equivalent to replace and improvement etc., within the protection domain that all should be included in the utility model claim.
Claims (7)
1. a voice coil motor, is characterized in that, comprising:
Base (1), supports whole described voice coil motor, and two corners of its upper surface are respectively equipped with a metal conduction face (11);
Conductive weld leg (2), is installed in two corners of base (1) bottom, and is communicated with, for the importing of electric current with described metal conduction face (11);
Two lower spring sheets (3), symmetrical is arranged on described base (1), and is fixedly connected with metal conduction face (11) respectively;
Camera lens carrier (4), supported by base (1), for carrying camera lens and driving described camera lens to move along optical axis direction, be arranged with coil (5) outside it, described lower spring sheet (3) is positioned at camera lens carrier (4) bottom and is connected with coil (5);
Shell (8), is fixedly connected with base (1), and camera lens carrier (4) is placed in described shell (8), and described shell (8) top is provided with mounting groove (81);
Upper spring leaf (7), fixed cover is located on mounting groove (81), described upper spring leaf (7) and lower spring sheet (3) by camera lens carrier (4) the mode of movement can support on optical axis;
Magnet (6), is arranged on the below of spring leaf (7) and is fixed in mounting groove (81), and correspondence is placed in the outside of coil (5);
Described electric current imports through conductive weld leg (2) and is energized to coil (5), and coil (5) drives described camera lens carrier (4) to move along optical axis direction in the magnetic field of magnet (6).
2. voice coil motor according to claim 1, it is characterized in that, described camera lens carrier (4) is tubular construction, its intermediate throughholes is for placing described camera lens, bottom is provided with step (41), outer wall centre position is provided with multiple clamp (42), and described coil (5) is arranged between described step (41) and clamp (42); Be provided with two guide pillars (43) in described step (41) below, the both ends difference winding of coil (5) is on two guide pillars (43).
3. voice coil motor according to claim 2, is characterized in that, described coil (5) forms for metal wire rod reels, and its surrounding all scribbles coatings, and both ends are conducted electricity with described lower spring sheet (3) and are connected.
4. voice coil motor according to claim 1, is characterized in that, described conductive weld leg (2) is one-body molded with base (1).
5. voice coil motor according to claim 1, is characterized in that, described magnet (6) is four, and in trapezium structure, its inner surface is arc, and consistent with the shape of described coil (5).
6. voice coil motor according to claim 1, it is characterized in that, described base (1) is provided with column (12), described lower spring sheet (3) has connecting hole (31), and is sleeved on described column (12) by connecting hole (31).
7. voice coil motor according to claim 1, is characterized in that, described shell (8) and base (1) are fixed by laser weld.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420823748.7U CN204302559U (en) | 2014-12-22 | 2014-12-22 | A kind of voice coil motor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420823748.7U CN204302559U (en) | 2014-12-22 | 2014-12-22 | A kind of voice coil motor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204302559U true CN204302559U (en) | 2015-04-29 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420823748.7U Expired - Fee Related CN204302559U (en) | 2014-12-22 | 2014-12-22 | A kind of voice coil motor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204302559U (en) |
Cited By (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104849833A (en) * | 2015-05-19 | 2015-08-19 | 苏州久易光电科技有限公司 | Compact dustproof lens driving device |
| CN105120138A (en) * | 2015-09-11 | 2015-12-02 | 南昌欧菲光电技术有限公司 | Camera module and assembling method thereof |
| CN105356652A (en) * | 2015-12-03 | 2016-02-24 | 宜兴市贵鑫磁电高科技有限公司 | Voice coil motor provided with electric connection point avoidance slots |
| CN105356714A (en) * | 2015-08-18 | 2016-02-24 | 惠州市三协精密有限公司 | Ultra-thin VCM motor mounted in buckle type way |
| CN105467551A (en) * | 2015-12-26 | 2016-04-06 | 上海比路电子有限公司 | Integrated base used in optical zooming motor and application technology of same |
| CN105676406A (en) * | 2016-04-18 | 2016-06-15 | 苏州久易光电科技有限公司 | Coil and carrier integrated into one piece structure among voice coil motor |
| CN105759392A (en) * | 2016-04-18 | 2016-07-13 | 苏州久易光电科技有限公司 | Split-type lens carrier for voice coil motor |
| CN108667262A (en) * | 2018-04-20 | 2018-10-16 | 深圳市丘钛微电子科技有限公司 | The manufacturing method and voice coil motor of voice coil motor |
| CN110034657A (en) * | 2019-04-23 | 2019-07-19 | 国泰达鸣精密机件（深圳）有限公司 | A kind of metal base voice coil motor |
| CN110601414A (en) * | 2018-06-12 | 2019-12-20 | 三赢科技（深圳）有限公司 | Voice coil motor |
| CN108667262B (en) * | 2018-04-20 | 2024-04-19 | 深圳市丘钛微电子科技有限公司 | Method for manufacturing voice coil motor and voice coil motor |
-
2014
- 2014-12-22 CN CN201420823748.7U patent/CN204302559U/en not_active Expired - Fee Related
Cited By (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104849833A (en) * | 2015-05-19 | 2015-08-19 | 苏州久易光电科技有限公司 | Compact dustproof lens driving device |
| CN105356714A (en) * | 2015-08-18 | 2016-02-24 | 惠州市三协精密有限公司 | Ultra-thin VCM motor mounted in buckle type way |
| CN105120138A (en) * | 2015-09-11 | 2015-12-02 | 南昌欧菲光电技术有限公司 | Camera module and assembling method thereof |
| CN105356652A (en) * | 2015-12-03 | 2016-02-24 | 宜兴市贵鑫磁电高科技有限公司 | Voice coil motor provided with electric connection point avoidance slots |
| CN105467551A (en) * | 2015-12-26 | 2016-04-06 | 上海比路电子有限公司 | Integrated base used in optical zooming motor and application technology of same |
| CN105759392A (en) * | 2016-04-18 | 2016-07-13 | 苏州久易光电科技有限公司 | Split-type lens carrier for voice coil motor |
| CN105676406A (en) * | 2016-04-18 | 2016-06-15 | 苏州久易光电科技有限公司 | Coil and carrier integrated into one piece structure among voice coil motor |
| CN108667262A (en) * | 2018-04-20 | 2018-10-16 | 深圳市丘钛微电子科技有限公司 | The manufacturing method and voice coil motor of voice coil motor |
| CN108667262B (en) * | 2018-04-20 | 2024-04-19 | 深圳市丘钛微电子科技有限公司 | Method for manufacturing voice coil motor and voice coil motor |
| CN110601414A (en) * | 2018-06-12 | 2019-12-20 | 三赢科技（深圳）有限公司 | Voice coil motor |
| US10935750B2 (en) | 2018-06-12 | 2021-03-02 | Triple Win Technology(Shenzhen) Co. Ltd. | Voice coil motor |
| CN110601414B (en) * | 2018-06-12 | 2021-04-20 | 三赢科技（深圳）有限公司 | Voice coil motor |
| CN110034657A (en) * | 2019-04-23 | 2019-07-19 | 国泰达鸣精密机件（深圳）有限公司 | A kind of metal base voice coil motor |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20150429 Termination date: 20151222 |
|
| EXPY | Termination of patent right or utility model |