CN113433650A

CN113433650A - Lens driving structure, periscope lens driving device, camera device and electronic product

Info

Publication number: CN113433650A
Application number: CN202110716851.6A
Authority: CN
Inventors: 罗来玉
Original assignee: New Shicoh Motor Co Ltd
Current assignee: New Shicoh Motor Co Ltd
Priority date: 2021-06-28
Filing date: 2021-06-28
Publication date: 2021-09-24

Abstract

The invention discloses a lens driving structure, a periscope lens driving device, a photographic device and an electronic product, and the technical scheme is as follows: the utility model provides a lens drive structure, includes the support body, the support body is provided with at least two sets of lens along the arrangement of optical axis direction and is removed the subassembly, lens remove the subassembly include the carrier, set up in drive structure, the spring structure that sets up between carrier and support body and drive carrier along the removal of optical axis direction between carrier and the support body and drive carrier reset. The invention is provided with at least two groups of lens moving assemblies, and the carrier is driven to move synchronously by the two groups of lens moving assemblies, thereby improving the focusing speed and realizing the effect of quick photographing.

Description

Lens driving structure, periscope lens driving device, camera device and electronic product

Technical Field

The present invention relates to the field of photographic equipment, and in particular, to a lens driving structure, a periscope lens driving device, a photographic device, and an electronic product.

Background

In recent years, with the rapid development of various electronic products, people have increasingly demanded digital goods, especially cameras have strict shooting quality, and people are expected to record the life with high-quality pictures.

The existing lens focusing mode is to drive a lens to move through a lens driving device to realize focusing; and a periscope lens driving device is arranged according to the requirements of the thickness and the long focal length of the mobile phone.

However, focusing with a long focal length requires increasing the moving stroke of the lens, while the conventional lens driving mode is single-stroke driving, which has long focusing time and slow focusing speed, and can be performed only after focusing is completed when a picture is taken, thereby seriously affecting the photographing speed.

Therefore, there is a need for an improved structure that overcomes the above-mentioned deficiencies.

Disclosure of Invention

The invention aims to provide a lens driving structure, a periscope lens driving device, a photographic device and an electronic product.

The technical purpose of the invention is realized by the following technical scheme: a lens driving structure comprises a frame body,

the frame body is provided with at least two groups of lens moving assemblies arranged along the direction of the optical axis,

the lens moving assembly comprises a carrier, a driving structure and a spring structure, wherein the driving structure is arranged between the carrier and the frame body and drives the carrier to move along the direction of the optical axis, and the spring structure is arranged between the carrier and the frame body and drives the carrier to reset.

The invention is further provided with: the driving structure comprises coils arranged on the side walls of the two sides of the carrier and magnet groups arranged on the frame body and corresponding to the carrier.

The invention is further provided with: the spring structure comprises a first spring and a second spring which are respectively arranged on the front side and the rear side of the moving direction of the carrier, the first spring is composed of two first spring subsections which are symmetrically arranged, and the second spring is composed of two second spring subsections which are symmetrically arranged.

The invention is further provided with: the first spring part comprises a first inner fixing part fixed on one end face of the carrier in the moving direction, a first outer fixing part fixed on the frame body, and two first cantilever parts arranged between the first inner fixing part and the first outer fixing part, wherein the two first cantilever parts are symmetrically arranged; the second spring part comprises a second inner fixing part fixed on the end face of the other end of the carrier, a second outer fixing part fixed on the frame body, and two second cantilever parts arranged between the second inner fixing part and the second outer fixing part.

The invention is further provided with: the support body is provided with the shell, the support body all is provided with the lid along the both ends of optical axis direction, the lid be provided with the butt in the hem of support body lateral wall, support body terminal surface border is provided with the breach that supplies the hem joint.

The invention is further provided with: the lens moving assemblies are arranged into two groups, and the two groups of lens moving assemblies are arranged in a reverse direction.

The invention is further provided with: the support body terminal surface is seted up and is supplied the mounting groove of first outer fixed part installation, first outer fixed part is fixed in the mounting groove lateral wall, the support body is provided with the step that supplies the outer fixed part installation of second, the outer fixed part of second is fixed in the step lateral wall.

The invention is further provided with: a periscope lens driving device is provided with the lens driving structure.

The invention is further provided with: a photographic apparatus has the periscope lens driving device.

The invention is further provided with: an electronic product is provided with the camera device.

In conclusion, the invention has the following beneficial effects:

after the coils are powered, the coils interact with the magnet groups and drive the coils and the carrier to move along the direction of the optical axis, the position of the corresponding lens is controlled, the focusing effect is achieved, and the corresponding lenses are driven to move synchronously through the two groups of driving structures, so that the moving distance of each lens is reduced, the focusing time of the lenses is effectively shortened, and the purpose of rapid focusing is achieved.

Realize location carrier position through first spring and second spring structure to with drive carrier removal back quick reset, first spring subsection and second spring subsection are equallyd divide and are set up two first cantilever parts, second cantilever part respectively simultaneously, effectively improve the bulk strength, increase stability.

By means of the structure, the first spring subsection and the second spring subsection are ensured to be in a flat state, and the first spring subsection and the second spring subsection are convenient to install.

The shell and the cover body play a role in protection, so that the normal work of the invention is ensured.

Drawings

FIG. 1 is an exploded schematic view of the present invention;

FIG. 2 is a longitudinal sectional view of embodiment 1;

FIG. 3 is a transverse sectional view of embodiment 1;

FIG. 4 is a schematic view of example 1;

FIG. 5 is a schematic view showing the structure of a concealing portion in embodiment 1;

FIG. 6 is a schematic view of example 2;

FIG. 7 is a schematic view of example 3;

FIG. 8 is a sectional view of embodiment 4.

The corresponding part names indicated by the numbers in the figures: 1. a frame body; 2. a carrier; 3. a coil; 4. a magnet group; 5. mounting holes; 6. a first spring; 7. a first spring section; 8. a first inner fixing portion; 9. a first outer fixing portion; 10. a first cantilever portion; 11. a second spring; 12. a second spring section; 13. A second inner fixing portion; 14. a second outer fixing portion; 15. a second cantilever portion; 16. a housing; 17. mounting grooves; 18. a step; 19. a cover body; 20. folding edges; 21. a notch; 22. a prism; 23. a reflector.

Detailed Description

In order to make the technical means, the original characteristics, the achieved purposes and the effects of the invention easy to understand, the invention is further described with reference to the figures and the specific embodiments.

The lens driving structure provided by the invention comprises a frame body 1, wherein at least two groups of lens moving assemblies are arranged on the frame body 1 along an optical axis direction, and each lens moving assembly comprises a carrier 2 for mounting a lens, a driving structure arranged between the carrier 2 and the frame body 1 and driving the carrier 2 to move along the optical axis direction, and a spring structure arranged between the carrier 2 and the frame body 1 and driving the carrier 2 to reset.

Example 1: as shown in fig. 1 to 5, the driving structures are arranged in two groups, and the two groups of driving structures are arranged in opposite directions, and each group of driving structures includes two coils 3 respectively installed on the side walls of the two sides of the carrier 2, and a magnet group 4 arranged on the frame body 1 and corresponding to the carrier 2. In this embodiment, the inner wall of the frame body 1 is provided with a mounting hole 5 for mounting the magnet group 4, and the magnet group 4 comprises two magnet groups 4 arranged along the optical axis direction, and the two magnets are closely arranged.

After the coil 3 is powered on, the coil 3 interacts with the magnet group 4 and drives the coil 3 and the carrier 2 to move along the optical axis direction, the position of a corresponding lens is controlled, the focusing effect is achieved, and the corresponding lens is driven to move synchronously through the two groups of driving structures, so that the moving distance of each lens is reduced, the focusing time of the lens is effectively shortened, and the purpose of rapid focusing is achieved.

The spring structure comprises a first spring 6 and a second spring 11 which are respectively arranged at the front side and the rear side of the moving direction of the carrier 2, wherein the first spring 6 comprises two first spring subsections 7 which are symmetrically arranged, and the second spring 11 comprises two second spring subsections 12 which are symmetrically arranged. The first spring part 7 includes a first inner fixing portion 8 fixed on an end face of the carrier 2 in the moving direction, a first outer fixing portion 9 fixed on the frame body 1, and two first cantilever portions 10 disposed between the first inner fixing portion 8 and the first outer fixing portion 9, wherein the two first cantilever portions 10 are symmetrically disposed and arranged in an up-down manner. The connection ends of the two first cantilever portions 10 and the first inner fixing portion 8 and the first outer fixing portion 9 are close to the upper and lower end portions of the first inner fixing portion 8 and the first outer fixing portion 9, respectively. The second spring subsection 12 has a structure identical to that of the first spring subsection 7, and the second spring subsection 12 includes a second inner fixing portion 13 fixed to the other end face of the carrier 2, a second outer fixing portion 14 fixed to the frame body 1, and two second cantilever portions 15 disposed between the second inner fixing portion 13 and the second outer fixing portion 14. In the present exemplary embodiment, the two second spring portions 12 are located at opposite end faces of the two carriers 2.

In addition, in this embodiment, the ends of the coil 3 can be electrically connected to the respective first spring subsection 7 or second spring subsection 12, respectively.

Realize location carrier 2 position through first spring 6 and second spring 11 structure to with drive carrier 2 removal back quick reset, first spring subsection 7 and second spring subsection 12 equally divide simultaneously and set up two first cantilever part 10, second cantilever part 15 respectively, effectively improve the bulk strength, increase stability.

In this embodiment, the mounting groove 17 that supplies the installation of first outer fixed part 9 is all seted up at both ends around support body 1, and first outer fixed part 9 is fixed in the mounting groove 17 lateral wall, support body 1 is provided with the step 18 that supplies the installation of the outer fixed part 14 of second, the outer fixed part 14 of second is fixed in the step 18 lateral wall. By means of the above-described construction it is ensured that the first spring subsection 7 and the second spring subsection 12 are in a flat state and that the mounting of the first spring subsection 7 and the second spring subsection 12 is facilitated.

Example 2 differs from example 1 in that: as shown in fig. 6, in the present embodiment, the driving structures are arranged in two groups, and the two groups of driving structures are oriented in the same direction, i.e. the two carriers 2 are installed in the same direction. Mounting grooves 17 in a group of driving structures of a lifting worker are formed in the end part of the frame body 1, and steps 18 are located in the middle section of the frame body 1; the step 18 in the other group of driving structures is located at the end position of the other end of the frame body 1, and the mounting groove 17 is located at the middle section of the frame body 1.

Example 3: as shown in fig. 7, on the basis of embodiment 1 or embodiment 2, a housing 16 covering the frame body 1 and the driving structure is installed on the frame body 1, the housing 16 is in a cylindrical shape, both ends of the frame body 1 along the optical axis direction are both provided with cover bodies 19, the cover bodies 19 are in a hollow configuration and facilitate the light to pass through, the cover bodies 19 are provided with folded edges 20 abutting against the side walls of the frame body 1, and the edge of the end surface of the frame body 1 is provided with a notch 21 for clamping the folded edges 20. The shell 16 and the cover body 19 play a role in protection, and the normal work of the invention is ensured.

Example 4: the utility model provides a periscope lens drive arrangement, as shown in FIG. 8, embodiment 3 has lens drive structure, install prism 22 at the light input end of lens drive structure, and the prism 22 bottom surface is equipped with reflector panel 23, reflector panel 23 is 45 contained angles with the optical axis direction of lens drive structure, light gets into prism 22 by the external world and gets into lens drive structure along lens drive structure optical axis direction after 23 reflections through reflector panel, thereby be convenient for shoot the photo, increase the focus through periscope formula design in addition, and adapt to digital products such as cell-phones and flatten, the miniaturization requirement.

Example 5: an electronic product having the periscope lens driving device described in embodiment 4.

In this document, the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer", "vertical", "horizontal", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for the purpose of clarity and convenience of description of the technical solutions, and thus, should not be construed as limiting the present invention.

As used herein, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, including not only those elements listed, but also other elements not expressly listed.

The foregoing shows and describes the general principles, essential features, and advantages of the invention. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, which are given by way of illustration of the principles of the present invention, and that various changes and modifications may be made without departing from the spirit and scope of the invention as defined by the appended claims. The scope of the invention is defined by the appended claims and equivalents thereof.

Claims

1. The utility model provides a lens drive structure, includes support body (1), its characterized in that:

the frame body (1) is provided with at least two groups of lens moving assemblies arranged along the direction of an optical axis,

the lens moving assembly comprises a carrier (2), a driving structure and a spring structure, wherein the driving structure is arranged between the carrier (2) and the frame body (1) and drives the carrier (2) to move along the optical axis direction, and the spring structure is arranged between the carrier (2) and the frame body (1) and drives the carrier (2) to reset.

2. A lens driving structure according to claim 1, wherein: the driving structure comprises coils (3) arranged on the side walls of the two sides of the carrier (2) and a magnet group (4) arranged on the frame body (1) and corresponding to the carrier (2).

3. A lens driving structure according to claim 1, wherein: the spring structure is including dividing first spring (6), second spring (11) of locating both sides around carrier (2) moving direction, first spring (6) comprise two first spring subsection (7) that are the symmetry and set up, second spring (11) have two second spring subsection (12) that are the symmetry and set up to constitute.

4. A lens driving structure according to claim 3, wherein: the first spring branch part (7) comprises a first inner fixing part (8) fixed on one end face of the carrier (2) in the moving direction, a first outer fixing part (9) fixed on the frame body (1), and two first cantilever parts (10) arranged between the first inner fixing part (8) and the first outer fixing part (9), wherein the two first cantilever parts (10) are symmetrically arranged; the second spring branch part (12) comprises a second inner fixing part (13) fixed on the end face of the other end of the carrier (2), a second outer fixing part (14) fixed on the frame body (1), and two second cantilever parts (15) arranged between the second inner fixing part (13) and the second outer fixing part (14).

5. A lens driving structure according to claim 1, wherein: the frame body (1) is provided with shell (16), both ends along the optical axis direction in frame body (1) all are provided with lid (19), lid (19) be provided with the butt in hem (20) of frame body (1) lateral wall, frame body (1) terminal surface border is provided with breach (21) that supply hem (20) joint.

6. A lens driving structure according to claim 4, wherein: the lens moving assemblies are arranged into two groups, and the two groups of lens moving assemblies are arranged in a reverse direction.

7. A lens driving structure according to claim 6, wherein: support body (1) terminal surface sets up mounting groove (17) that supply first outer fixed part (9) to install, first outer fixed part (9) are fixed in mounting groove (17) lateral wall, support body (1) is provided with step (18) that supply the installation of the outer fixed part of second (14), the outer fixed part of second (14) is fixed in step (18) lateral wall.

8. A periscope lens driving device, characterized in that: having a lens driving arrangement according to any of claims 1 to 7.

9. A photographic apparatus, characterized in that: with a periscope lens drive as claimed in claim 8.

10. An electronic product, characterized in that: the camera device according to claim 9.