CN217587829U - Lens driving anti-shake frame, assembly and device - Google Patents
Lens driving anti-shake frame, assembly and device Download PDFInfo
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- CN217587829U CN217587829U CN202221280262.4U CN202221280262U CN217587829U CN 217587829 U CN217587829 U CN 217587829U CN 202221280262 U CN202221280262 U CN 202221280262U CN 217587829 U CN217587829 U CN 217587829U
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Abstract
The utility model belongs to the technical field of the camera, especially, relate to a lens drive anti-shake frame, subassembly and device. It has solved the defect such as prior art design is unreasonable. This lens drive anti-shake frame includes the framework, at least two in four angular segments of rear end face of framework the bight is equipped with base contact arch respectively, and has two base contact arch distribute in one of them diagonal of framework, framework and base contact arch even formula structure as an organic whole and be equipped with the arc convex surface on the base contact arch. This application advantage: the base contact protrusion is integrated with the frame body, when the anti-shake frame and the base are assembled, the adjacent position of the base contact protrusion at the moment is set, the installation difficulty is reduced, and the manufacturing cost can be reduced.
Description
Technical Field
The utility model belongs to the technical field of the camera, especially, relate to a lens drive anti-shake frame, subassembly and device.
Background
Anti-shake is a basic requirement of a camera module.
The realization of anti-shake can be through the mode of shell fragment, ball, suspension wire or memory alloy silk etc. along with manufacturing cost and the increasing promotion of technology precision, more and more inventors have now designed the ball and the shell fragment carries out the compound mode of anti-shake.
The ball is of a single-body structure, and needs to be placed in the center of the translational motion area in the assembling process, and meanwhile, the relative position between the ball and the ball is difficult to control, so that the assembling difficulty is increased; and the ball is easily lost during the assembly process, resulting in an increase in assembly cost.
SUMMERY OF THE UTILITY MODEL
The utility model aims at the above-mentioned problem, provide a lens drive anti-shake frame, subassembly and device that can solve above-mentioned technical problem.
In order to achieve the above purpose, the utility model adopts the following technical proposal:
this lens drive anti-shake frame includes the framework, at least two in four angular segments of rear end face of framework the bight is equipped with base contact arch respectively, and has two base contact arch distribute in one of them diagonal of framework, framework and base contact arch even formula structure as an organic whole and be equipped with the arc convex surface on the base contact arch.
In the lens driving anti-shake frame, the base contact protrusions are respectively arranged at four corners of the rear end surface of the frame body, and two base contact protrusions are distributed on each diagonal line of the frame body.
In the lens driving anti-shake frame, the four corners of the rear end face of the frame body are respectively provided with a corner plane, and the base contact protrusions are arranged on the corresponding corner planes.
In the above lens driving anti-shake frame, the corner plane and the rear end face are parallel, and the corner plane is located on the front side of the rear end face.
In the lens driving anti-shake frame, the top of the arc convex surface protrudes backwards from the rear end surface.
In the lens driving anti-shake frame, the corner plane is further provided with a convex column located on the periphery of the base contact protrusion, the height of the base contact protrusion is larger than that of the convex column, and one end face, far away from the corner plane, of the convex column does not exceed the rear end face.
The application also provides an anti-shake drive assembly comprising a base;
the lens drive anti-shake frame is located the front side of base, the bellied arc convex surface of base contact with the tangent contact of base.
In the anti-shake driving assembly, flat-bottom blind holes are respectively formed in four corners of the front surface of the base, the base contact protrusions extend into the flat-bottom blind holes one by one, the arc-shaped convex surfaces are in tangential contact with the bottoms of the flat-bottom blind holes, and the diameter of each flat-bottom blind hole is larger than the outer diameter of each base contact protrusion.
In the above anti-shake drive assembly, the anti-shake drive assembly further comprises:
the front elastic sheet is connected with the base, the lens driving anti-shake frame and the focusing moving frame;
the driving magnets are provided with three blocks, wherein two blocks are arranged on two opposite sides of the frame body of the lens driving anti-shake frame, and the rest block is arranged on one side of the other two opposite sides of the frame body;
three drive coils arranged on the front surface of the base, wherein the drive coils and the drive magnets are distributed at intervals
The application also provides a lens driving device, and the lens driving device comprises the anti-shake driving component.
Compared with the prior art, the application has the advantages that:
the base contact protrusion is integrated with the frame body, when the anti-shake frame and the base are assembled, the adjacent position of the base contact protrusion at the moment is set, the installation difficulty is reduced, and the manufacturing cost can be reduced.
The phenomenon that the ball is lost is avoided.
Drawings
Fig. 1 is a schematic view of a three-dimensional structure of a lens-driven anti-shake frame provided by the present invention.
Fig. 2 is a schematic structural diagram of a lens driving assembly provided by the present invention.
Fig. 3 is an exploded schematic view of the lens driving assembly provided by the present invention.
FIG. 4 is a schematic diagram of a three-sided magnet and coil anti-shake drive configuration.
Fig. 5 is a schematic diagram of a third structure according to the present invention.
Fig. 6 is a schematic structural diagram of the fourth embodiment of the present invention.
In the figure, a frame body 1, a rear end face 10, a base contact bulge 11, an arc convex surface 12, a corner plane 13, a convex column 14, a base 2, a flat-bottom blind hole 20, a front elastic sheet 3, a focusing moving frame 4, a driving magnet 5, a driving coil 6 and an oblique diagonal line a.
Detailed Description
The following are specific embodiments of the present invention and the accompanying drawings are used to further describe the technical solution of the present invention, but the present invention is not limited to these embodiments.
Example one
As shown in fig. 1, the lens driving anti-shake frame includes a frame body 1, and the frame body 1 is manufactured by injection molding.
At least two bights in rear end face 10 four corners of framework 1 are equipped with base contact protrusion 11 respectively to there are two base contact protrusion 11 to distribute in one of them diagonal a of framework 1, framework 1 and base contact protrusion 11 even formula structure as an organic whole and be equipped with arc convex surface 12 on the base contact protrusion 11.
As shown in fig. 1 and 3, the curved convex surface 12 is a spherical curved surface or a hemispherical curved surface, but may be a curved surface of a 1/3 spherical curved surface or the like, as long as the curved convex surface 12 is tangent to the bottom of the flat-bottom blind hole 20.
As shown in fig. 1, the base contact protrusion 11 is directly integrated with the frame body 1, and when the anti-shake frame and the base are assembled, the adjacent position of the base contact protrusion 11 at this time is already set, which not only reduces the installation difficulty, but also reduces the manufacturing cost, because the base contact protrusion 11 of the integrated structure is formed along with the frame body 1 at one time, the cost of purchasing the balls is omitted.
The arc convex surface 12 can ensure smooth translational anti-shake.
Certainly, in order to prolong the service life, a layer of wear-resistant material layer can be sprayed on the arc-shaped convex surface 12, and the wear-resistant material is directly purchased in the market, or the frame body 1 is made of wear-resistant plastic.
The number of the base contact protrusions 11 of the present embodiment is 2 to 4, and the number can be set according to the actual anti-shake requirement.
Preferably, four corners of the rear end surface of the frame 1 of this embodiment are respectively provided with base contact protrusions 11, and two base contact protrusions 11 are distributed on each diagonal line a of the frame 1. Four corners all support for the anti-shake frame motion is more stable.
The two diagonal lines a of the frame body 1 are distributed in a cross shape.
Next, corner planes 13 are provided at four corners of the rear end surface of the frame body 1, respectively, and the base contact protrusion 11 is provided on the corresponding corner plane 13, that is, a base contact protrusion 11 is provided on one corner plane 13.
The corner plane 13 is parallel to the rear end face 10, and the corner plane 13 is located on the front side of the rear end face 10. In this way, it is possible to facilitate injection molding of the base contact protrusion 11, and at the same time, increase the length of the base contact protrusion 11 in the axial direction of the optical axis, and ensure the structural strength of the base contact protrusion 11. And the top of the arc-shaped convex surface 12 protrudes backwards from the rear end surface 10.
In addition, a convex column 14 positioned at the periphery of the base contact bulge 11 is also arranged on the corner plane 13, the bulge height of the base contact bulge 11 is greater than that of the convex column 14, and one end face, far away from the corner plane 13, of the convex column 14 does not exceed the rear end face 10.
As shown in fig. 1 and 3, two convex columns 14 are formed on the periphery of each base contact protrusion 11. The convex columns 14 are distributed at intervals at the hole openings of the flat-bottom blind holes 20 of the base 2, so that the function of protecting the frame body 1 after the base contact protrusions 11 are abraded is achieved.
The frame 1 of the present embodiment is driven by the electromagnetic coil to move in a plane perpendicular to the optical axis, for example, in the X direction and/or the Y direction, and the optical axis is the Z axis.
Example two
As shown in fig. 1-3, the present embodiment provides an anti-shake driving assembly, which includes a base 2, a first lens driving anti-shake frame, a front elastic sheet 3, a driving magnet 5, and a driving coil 6, wherein the first lens driving anti-shake frame is located on the front side of the base 2, and an arc convex surface 12 of a base contact protrusion 11 is in tangential contact with the base 2.
Four bights are equipped with flat bottom blind hole 20 respectively at the front surface of base 2, the front surface of base 2 is directly located to flat bottom blind hole 20, perhaps four bights are equipped with the boss respectively at the front surface of base 2, the boss is located to flat bottom blind hole 20, base contact protrusion 11 stretches into flat bottom blind hole 20 one by one and arc convex surface 12 and the tangent contact in the hole bottom of flat bottom blind hole 20, the aperture of flat bottom blind hole 20 is greater than the protruding 11 external diameter of base contact, just can realize the anti-shake translation with the different designs of external diameter.
The front elastic sheet 3 is connected with the base 2, the lens driving anti-shake frame and the focusing moving frame 4; the focusing moving frame 4 is used for the focusing movement in the axial direction of the optical axis.
As shown in fig. 3 to 4, the driving magnet 5 has three pieces, two of which are disposed on two opposite sides of the frame 1 of the lens driving anti-shake frame, and the remaining one is disposed on one of the other two opposite sides of the frame 1; for example, a focus drive coil spaced inward and outward from the two opposing drive magnets 5 is provided on the outer peripheral surface of the focus moving frame 4, that is, two of the drive magnets 5 of the present embodiment are shared, and play two roles of anti-shake and focusing.
The driving coils 6 are three and are arranged on the front surface of the base 2, and the driving coils 6 and the driving magnets 5 are distributed at intervals.
The driving coil 6 is embedded in the flexible circuit board or electrically connected to the flexible circuit board. The flexible circuit board is an FPC board.
Two of the opposing driving magnets 5 of this embodiment can drive the frame to move in the X direction, and the remaining one of the driving magnets 5 can drive the frame to move in the Y direction, and in order to ensure driving stability in different directions, the X-direction driving force of this embodiment is equal to the Y-direction driving force. The three-edge magnet can prevent the mutual magnetic interference between the X-direction drive and the Y-direction drive.
Of course, the driving method may be based on the first embodiment, and may be a driving method in which four driving magnets and four driving coils are used.
EXAMPLE III
As shown in fig. 5, the present embodiment provides a lens driving apparatus including the anti-shake driving assembly of the second embodiment. That is, the lens 7 is mounted in the focusing moving frame 4.
Example four
As shown in fig. 6, the present embodiment provides an image pickup apparatus including the lens driving apparatus of the third embodiment, an image pickup apparatus such as an electronic apparatus like a mobile phone.
The specific embodiments described herein are merely illustrative of the spirit of the invention. Various modifications, additions and substitutions for the specific embodiments described herein may be made by those skilled in the art without departing from the spirit of the invention or exceeding the scope of the invention as defined in the accompanying claims.
Claims (10)
1. Lens drive anti-shake frame, including framework (1), its characterized in that, at least two in rear end face (10) four angular segments of framework (1) the bight is equipped with base contact protrusion (11) respectively, and has two base contact protrusion (11) distribute in one of them diagonal (a) of framework (1), framework (1) and base contact protrusion (11) even formula structure as an organic whole and be equipped with arc convex surface (12) on base contact protrusion (11).
2. The lens driving anti-shake frame according to claim 1, wherein the base contact protrusions (11) are respectively disposed at four corners of the rear end surface of the frame body (1), and two base contact protrusions (11) are distributed on each diagonal line (a) of the frame body (1).
3. The lens driving anti-shake frame according to claim 1 or 2, wherein the frame body (1) has corner planes (13) at four corners of the rear end surface, and the base contact protrusions (11) are disposed on the corresponding corner planes (13).
4. The lens-driving anti-shake frame according to claim 3, wherein the corner plane (13) and the rear end face (10) are parallel, and the corner plane (13) is located on the front side of the rear end face (10).
5. The lens-driving anti-shake frame according to claim 4, wherein the top of the arcuate convex surface (12) protrudes rearward from the rear end surface (10).
6. The lens driving anti-shake frame according to claim 4, wherein the corner plane (13) is further provided with a convex pillar (14) located at the periphery of the base contact protrusion (11), the convex height of the base contact protrusion (11) is greater than the convex height of the convex pillar (14), and an end face of the convex pillar (14) far away from the corner plane (13) does not exceed the rear end face (10).
7. Anti-shake drive assembly, including base (2), its characterized in that, anti-shake drive assembly still includes:
the lens driving anti-shake frame according to any one of claims 1 to 5, which is located on the front side of the base (2), the arc-shaped convex surface (12) of the base contact protrusion (11) being in tangential contact with the base (2).
8. The anti-shake drive assembly according to claim 7, wherein flat-bottomed blind holes (20) are respectively formed in four corners of the front surface of the base (2), the base contact protrusions (11) extend into the flat-bottomed blind holes (20) one by one, and the arc-shaped convex surfaces (12) and the bottoms of the flat-bottomed blind holes (20) are in tangential contact, and the diameter of each flat-bottomed blind hole (20) is larger than the outer diameter of each base contact protrusion (11).
9. The anti-shake drive assembly according to claim 7, further comprising:
the front elastic sheet (3) is connected with the base (2), the lens driving anti-shake frame and the focusing moving frame (4);
the driving magnets (5) comprise three blocks, wherein two blocks are arranged on two opposite sides of the frame body (1) of the lens driving anti-shake frame, and the rest block is arranged on one side of the other two opposite sides of the frame body (1);
and three driving coils (6) are arranged on the front surface of the base (2), and the driving coils (6) and the driving magnets (5) are distributed at intervals.
10. Lens driving device, characterized in that it comprises an anti-shake drive assembly according to any of claims 7-9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221280262.4U CN217587829U (en) | 2022-05-25 | 2022-05-25 | Lens driving anti-shake frame, assembly and device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221280262.4U CN217587829U (en) | 2022-05-25 | 2022-05-25 | Lens driving anti-shake frame, assembly and device |
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| Publication Number | Publication Date |
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| CN217587829U true CN217587829U (en) | 2022-10-14 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202221280262.4U Active CN217587829U (en) | 2022-05-25 | 2022-05-25 | Lens driving anti-shake frame, assembly and device |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2024207209A1 (en) * | 2023-04-04 | 2024-10-10 | 常州市瑞泰光电有限公司 | Lens drive device |
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- 2022-05-25 CN CN202221280262.4U patent/CN217587829U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2024207209A1 (en) * | 2023-04-04 | 2024-10-10 | 常州市瑞泰光电有限公司 | Lens drive device |
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