CN205725410U - A kind of voice coil motor - Google Patents
A kind of voice coil motor Download PDFInfo
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- CN205725410U CN205725410U CN201620390075.XU CN201620390075U CN205725410U CN 205725410 U CN205725410 U CN 205725410U CN 201620390075 U CN201620390075 U CN 201620390075U CN 205725410 U CN205725410 U CN 205725410U
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- Prior art keywords
- supporter
- reed
- voice coil
- coil motor
- base
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Abstract
This utility model provides a kind of voice coil motor, and specifically, this voice coil motor includes upper casing, Upper gasket, upper reed plate, coil, supporter, Magnetitum, lower reed and base；Described upper shell is connected to described Upper gasket, and described Magnetitum is embedded between described upper casing and described Upper gasket；The lower end of described upper casing is socketed on the upper end of described base；The lower surface of described supporter is coupled with described base by lower reed, and the lower surface of described supporter is higher than the joint face of described lower reed with described base；Described supporter is socketed on described bulge loop；The upper surface of described supporter is coupled with described Upper gasket by upper reed plate；The upper surface of described supporter is higher than the joint face of upper reed plate with described Upper gasket；The corner of described Upper gasket is equipped with spike, and described lower reed, the lower surface of described spike and described base are fixing to be connected；Described coil is socketed on described supporter.This voice coil motor can effectively eliminate it and be positioned at the difference of imaging under different postures.
Description
Technical field
This utility model relates to apparatus part field of photographing, and is specifically related to a kind of voice coil motor.
Background technology
Current domestic and international substantial amounts of camera enterprise uses voice coil motor (Voice Coil Motor) as linear
Driving means, its cardinal principle is in a permanent-magnetic field, by changing the DC current of motor interior loop
Size, controls the stretch position of spring leaf, thus drives up and down motion.
The voice coil motor structure of different manufacturers slightly difference, major part includes with lower component: shell, support,
Front pad, front reed, Magnetitum, coil, supporter, rear pad, rear reed and base.Most sound
Coil motor is to be assemblied in respectively on different parts by upper and lower reed support fixing point.And current most sound
In use, under camera lens is in different postures, its imaging has certain difference to coil motor.Especially exist
On front and back position, imaging will be affected by different gestures.
Utility model content
In order to overcome the deficiencies in the prior art, the purpose of this utility model is to provide a kind of voice coil motor.
For solving the problems referred to above, the technical scheme that this utility model is used is as follows:
A kind of voice coil motor, including upper casing, Upper gasket, upper reed plate, coil, supporter, Magnetitum, lower spring
Sheet and base；Described upper shell is connected to described Upper gasket, and described Magnetitum is embedded in described upper casing and described upper pad
Between sheet；The lower end of described upper casing is socketed on the upper end of described base；
Described base is provided with a bulge loop raised up, and the lower surface of described supporter is by lower reed and institute
Stating base to couple, the lower surface of described supporter is higher than the joint face of described lower reed with described base；Described
Supporter is socketed on described bulge loop；The upper surface of described supporter is coupled with described Upper gasket by upper reed plate；
The upper surface of described supporter is higher than the joint face of upper reed plate with described Upper gasket；The corner of described Upper gasket is equal
Being provided with spike, described lower reed, the lower surface of described spike and described base are fixing to be connected；Described coil set
It is connected to described supporter.
As preferably, described lower reed is made up of the flexure strip of pair of opposing, and described flexure strip includes using
The connection sheet being connected with described base it is used in the arc-like sheet being connected with supporter and two；Described connection sheet
Being connected by spring silk with described arc-like sheet, described spring silk is connected in the intersection point of sheet, described lower reed with described
The heart, between described spring silk and the intersection point of arc-like sheet in 90 ° of angles.
As preferably, the sheet that connects of a described wherein flexure strip is provided with the first terminal downward vertically, and another
Flexure strip adjacent thereto connect sheet be provided with second terminal parallel with the first terminal.
As preferably, described upper reed plate include the outer shroud being connected with described Upper gasket and with on described supporter
The internal ring that end face connects, described outer shroud is concentric with described internal ring, and described outer shroud passes through roundabout with described internal ring
4 elater connect, described 4 elater are around the center circular array of described internal ring.
As preferably, the inner side of described internal ring is provided with at least 4 the first connecting holes.
As preferably, the corner of described outer shroud is equipped with breach, and the two ends of each breach are equipped with second even
Connect hole.
As preferably, bonding with described upper casing outside described support column, the inner side of described support column with described on
Pad is bonding.
As preferably, the outside of described spike is provided with a glue groove.
As preferably, the upper edge of described supporter is provided with 4 slots, and described 4 slots are along described supporter
Along circular array on, described upper casing is provided with inserted sheet at the correspondence position of described slot, and described supporter exists
The inner side of described slot is provided with projection.
Another object of the present utility model is to provide the packaging technology of above-mentioned voice coil motor, including following step
Rapid:
1) upper shell is connected on Upper gasket, and Magnetitum is embedded between described upper casing and Upper gasket；
2) it is connected fixing to the peripheral of upper reed plate and described Upper gasket；
3) being socketed on by coil on described supporter, by enclosing in upper reed plate, the upper surface with described supporter is solid
Fixed connection；
4) it is connected fixing with the lower surface of described spike for the peripheral upper surface of lower reed；
5) by enclosing in lower reed, the lower surface with described supporter is fixing to be connected, and is worn by the bulge loop of described base
It is connected to the lower surface of described supporter, is connected fixing to the peripheral lower surface of lower reed and described base.
Compared to existing technology, the beneficial effects of the utility model are:
1) this utility model makes supporter along the certain stroke of lens axis direction precompressed, can effectively eliminate this voice coil loudspeaker voice coil
Motor is positioned at the difference of imaging under different postures；
2) this utility model is by the lower reed of the flexure strip composition of pair of opposing, and this lower reed is in not sealing
The state closed, coordinates the supporter of precompressed stroke, can eliminate this voice coil motor further and be positioned under different gestures
The difference of imaging；
3) this utility model is by being provided with support column on base, mutually bonding with Upper gasket, upper casing respectively, increases
The big tight property of connection of described voice coil motor, makes this voice coil motor be less susceptible to separate；
4) this utility model is by being provided with projection inside slot, can be the most dust-proof.
With detailed description of the invention, this utility model is described in further detail below in conjunction with the accompanying drawings.
Accompanying drawing explanation
Fig. 1 is the explosive view of embodiment 1；
Fig. 2 is the cross-sectional structure schematic diagram of embodiment 1；
Fig. 3 is the understructure schematic diagram of embodiment 1；
Fig. 4 is the upper spacer structure schematic diagram of embodiment 1；
In Fig. 1-4, each reference: 1, upper casing；11, inserted sheet；2, Upper gasket；21, spike；212、
Projection；22, some glue groove；23, heavy stand；3, upper reed plate；31, internal ring；32, outer shroud；33, elater；
4, coil；5, supporter；51, slot；52, protruding；6, Magnetitum；7, lower reed；71, arc
Sheet；72, sheet is connected；721, the first jack hole；73, spring silk；74, the first terminal；75, the second terminal；
8, base；81, bulge loop；82, support column；83, the second jack hole.
Detailed description of the invention
In the application, described " on ", D score, " interior ", the temporald eixis word such as " outward " be construed as attached
The temporald eixis of figure.
Embodiment 1
As illustrated in fig. 1 and 2, a kind of voice coil motor, including upper casing 1, Upper gasket 2, upper reed plate 3, coil
4, supporter 5, Magnetitum 6, lower reed 7 and base 8；Described upper shell is connected to described Upper gasket, described magnetic
Stone is embedded between described upper casing and described Upper gasket；The lower end of described upper casing is socketed on the upper end of described base；
Described base is provided with a bulge loop 81 raised up, the lower surface of described supporter by lower reed with
Described base couples, and the lower surface of described supporter is higher than the joint face of described lower reed with described base；Institute
State the lower surface of supporter and the difference in height≤0.3mm of the joint face of described lower reed and described base；Described
Support body is socketed on described bulge loop；The upper surface of described supporter is coupled with described Upper gasket by upper reed plate；
The upper surface of described supporter is higher than the joint face of upper reed plate with described Upper gasket；The upper surface of described supporter
Difference in height≤0.3mm with upper reed plate Yu the joint face of described Upper gasket；The corner of described Upper gasket is equipped with support
Foot 21, described lower reed, the lower surface of described spike and described base are fixing to be connected；Described coil is socketed on
Described supporter.
In this embodiment, as it is shown on figure 3, install the convex of site by arranging one on base higher than lower reed
Ring, makes supporter along the certain stroke of lens axis direction precompressed, can effectively eliminate this voice coil motor and be positioned at difference
Posture under the difference of imaging, especially with the impact on imaging of the difference in height in optical axis parallel direction.
In the present embodiment, on the one hand, the upper surface of described supporter is connected with the movable part of described upper reed plate
Connect, the standing part of described upper reed plate is connected with described Upper gasket, to realize the lower surface of described supporter
Coupled with described base by lower reed；On the other hand, the lower surface of described supporter and described lower reed
Movable part is connected, and the upper surface of the standing part of described lower reed is fixing with the lower surface of described spike even
Connect, the lower surface of the standing part of described lower reed is connected with the fixing of described base, to realize described lower spring
Sheet, the lower surface of described spike and described base are fixing to be connected.Described upper reed plate, the standing part of lower reed
All fixing with Upper gasket be connected, so, this voice coil motor can efficiently reduce with in optical axis parallel direction
The difference in height impact on imaging.
In the present embodiment, described upper reed plate include the outer shroud that is connected with described Upper gasket and with described supporter
The internal ring 31 that upper surface connects, described outer shroud is concentric with described internal ring 32, and described outer shroud leads to described internal ring
Crossing roundabout 4 piece elater 33 to connect, described 4 elater are around the center circular array of described internal ring.Described
The corner of outer shroud is equipped with the some glue point for being connected with described Upper gasket, and described some glue point is to described upper reed plate
The distance at center equal.
In the present embodiment, the inner side of the internal ring of above-mentioned upper reed plate is provided with at least 4 the first connecting hole (not shown),
A described connecting hole is around the center circular array of described chow ring, to ensure that upper reed plate ensures standing part
Center, the center of movable part overlap with optical axis center three.Further, the corner of described outer shroud is equal
It is provided with breach (not shown), and the two ends of each breach are equipped with the second connecting hole (not shown).
In the present embodiment, described lower reed is made up of the flexure strip of pair of opposing, and described flexure strip includes
The connection sheet 72 being connected with described base it is used for for the arc-like sheet 71 being connected with supporter and two；Described
Connect sheet and described arc-like sheet to pass through spring silk 73 and be connected, intersection point that described spring silk is connected sheet with described, described under
The center of reed, between described spring silk and the intersection point of arc-like sheet in 90 ° of angles.These 4 connect sheet along described
The center circular array distribution of lower reed.One flexure strip includes 1 arc-like sheet and 2 connection sheets,
2 groups it are provided with for the some glue point being connected with described supporter lower surface inside arc-like sheet；2 connect sheet and are equipped with
2 groups for the first connecting hole 721 being connected with described base；And described base is provided with for described first
The second connecting hole 83 that connecting hole matches；Described spike is provided with convex with what described first connecting hole matched
Post 212；First jack hole, the second jack hole described in the cross-under successively of described projection, so that described lower reed, institute
State lower surface and the fixing connection of described base of spike.
In the present embodiment, further, the sheet that connects of a lower reed wherein flexure strip is provided with the downward vertically
One terminal 74, and another flexure strip adjacent thereto connect sheet be provided with second terminal 75 parallel with the first terminal,
The first terminal or the second terminal are for being directly or indirectly electrically connected with external circuit.
In the present embodiment, further, the connection in order to strengthen between described base, Upper gasket, upper casing is strong
Degree, as it is shown on figure 3, the corner of described base is equipped with support column 82；Outside described support column with described on
Shell is bonding, and the inner side of described support column is bonding with described Upper gasket.With further entering, as shown in Figure 4,
The outside of described spike is provided with a glue groove 22.
In the present embodiment, entering ground further, the upper edge of described supporter is provided with 4 slots 51, described 4
Slot is along circular array along described supporter, and described upper casing is provided with slotting at the correspondence position of described slot
Sheet 11.By being mutually matched of inserted sheet and slot, described upper casing is concentric with supporter to be connected.Further,
Described supporter is provided with protruding 52 in the inner side of described slot.Thus be effectively prevented and enter slot along inserted block
Dust enters the inside of supporter with entering further, can effectively prevent lens to be stained with dirt.
In the present embodiment, further, the corner of described Upper gasket is provided with heavy stand 23, to increase described upper pad
The stationarity that sheet assembles with upper casing.
The packaging technology of above-mentioned voice coil motor, comprises the following steps:
1) upper shell is connected on Upper gasket, and Magnetitum is embedded between described upper casing and Upper gasket；
2) it is connected fixing to the peripheral of upper reed plate and described Upper gasket；Will the standing part institute of described upper reed plate
State the fixing connection of Upper gasket；
3) being socketed on by coil on described supporter, by enclosing in upper reed plate, the upper surface with described supporter is solid
Fixed connection；Will the upper surface of movable part and described supporter of described upper reed plate be fixing is connected；
4) it is connected fixing with the lower surface of described spike for the peripheral upper surface of lower reed；
5) by enclosing in lower reed, lower surface with described supporter is fixing to be connected, will the work of described lower reed
Dynamic part is fixing with the lower surface of described supporter to be connected；The bulge loop of described base is connected to described supporter
Lower surface, the peripheral lower surface of lower reed is fixed with described base and is connected, even if under described spike
Fixing connection between end face, described lower reed, described base three.
This packaging technology substantially a kind of reverse installation process, uses this reverse installation process to be effective to ensure that supporter
The direction of motion is parallel with described optical axis direction, it is to avoid lens movement is not smooth or produces deflection angle.
Above-mentioned embodiment is only preferred implementation of the present utility model, it is impossible to limit this practicality with this new
The scope of type protection, any unsubstantiality that those skilled in the art is done on the basis of this utility model
Change and replacement belong to this utility model scope required for protection.
Claims (9)
1. a voice coil motor, it is characterised in that include upper casing, Upper gasket, upper reed plate, coil, support
Body, Magnetitum, lower reed and base；Described upper shell is connected to described Upper gasket, and described Magnetitum is embedded in described
Between upper casing and described Upper gasket；The lower end of described upper casing is socketed on the upper end of described base；
Described base is provided with a bulge loop raised up, and the lower surface of described supporter is by lower reed and institute
Stating base to couple, the lower surface of described supporter is higher than the joint face of described lower reed with described base；Described
Supporter is socketed on described bulge loop；The upper surface of described supporter is coupled with described Upper gasket by upper reed plate；
The upper surface of described supporter is higher than the joint face of upper reed plate with described Upper gasket；The corner of described Upper gasket is equal
Being provided with spike, described lower reed, the lower surface of described spike and described base are fixing to be connected；Described coil set
It is connected to described supporter.
2. voice coil motor as claimed in claim 1, it is characterised in that described lower reed is set relatively by a pair
The flexure strip composition put, described flexure strip include the arc-like sheet for being connected with supporter and two for institute
State the connection sheet that base is connected；Described connection sheet is connected by spring silk with described arc-like sheet, described spring silk with
The intersection point of described connection sheet, the center of described lower reed, between described spring silk and the intersection point of arc-like sheet in 90 °
Angle.
3. voice coil motor as claimed in claim 2, it is characterised in that the connection of a described wherein flexure strip
Sheet is provided with the first terminal downward vertically, and another flexure strip connection sheet adjacent thereto is provided with and the first terminal
The second parallel terminal.
4. voice coil motor as claimed in claim 1, it is characterised in that described upper reed plate include with described on
Outer shroud that pad connects and the internal ring that is connected with described supporter upper surface, described outer shroud is with described internal ring together
The heart, and described outer shroud is connected by 4 roundabout elater with described internal ring, described 4 elater are in described
The center circular array of ring.
5. voice coil motor as claimed in claim 4, it is characterised in that the inner side of described internal ring is provided with at least
4 the first connecting holes.
6. voice coil motor as claimed in claim 4, it is characterised in that the corner of described outer shroud is equipped with scarce
Mouthful, and the two ends of each breach are equipped with the second connecting hole.
7. voice coil motor as claimed in claim 1, it is characterised in that the corner of described base is equipped with props up
Dagger；Outside described support column bonding with described upper casing, the inner side of described support column is bonding with described Upper gasket.
8. voice coil motor as claimed in claim 7, it is characterised in that the outside of described spike is provided with a glue
Groove.
9. voice coil motor as claimed in claim 1, it is characterised in that the upper edge of described supporter is provided with 4
Individual slot, described 4 slots are along circular array along described supporter, and described upper casing is at described slot
Correspondence position be provided with inserted sheet, described supporter is provided with projection in the inner side of described slot.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620390075.XU CN205725410U (en) | 2016-04-29 | 2016-04-29 | A kind of voice coil motor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620390075.XU CN205725410U (en) | 2016-04-29 | 2016-04-29 | A kind of voice coil motor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205725410U true CN205725410U (en) | 2016-11-23 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620390075.XU Active CN205725410U (en) | 2016-04-29 | 2016-04-29 | A kind of voice coil motor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205725410U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105915019A (en) * | 2016-04-29 | 2016-08-31 | 东莞市东勤电子有限公司 | Voice coil motor and assembly technology thereof |
-
2016
- 2016-04-29 CN CN201620390075.XU patent/CN205725410U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105915019A (en) * | 2016-04-29 | 2016-08-31 | 东莞市东勤电子有限公司 | Voice coil motor and assembly technology thereof |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20180116 Address after: 231400 Tiedong two road, Tongcheng Economic Development Zone, Anqing, Anhui Patentee after: Anqing Dong Qin Electronic Technology Co., Ltd. Address before: Tangxia Zhen Heng Tang Tang Road 523710 Guangdong city of Dongguan province No. 8 two floor Patentee before: DONGGUAN TOK ELECTRONIC COMPANY LIMITED |