Lens driving structure, camera device, and mobile terminal

Abstract

The application provides a lens driving structure, a camera device and a mobile terminal. The lens driving structure comprises a shell and a base assembly, and further comprises, which are arranged inside a containing space: a lens support body; a frame assembly, at least a part of the lens support body is movably arranged inside the frame assembly; a first driving assembly, at least a part of the first driving assembly is arranged on the lens support body, and at least another part of the first driving assembly is arranged on the frame assembly; a second driving assembly, at least a part of the second driving assembly is arranged on the frame assembly, and at least another part of the second driving assembly is arranged on the base assembly; a guide assembly, at least a part of the guide assembly is arranged on the frame assembly, and at least another part of the guide assembly is arranged on the base assembly; and a movable frame, which is arranged on a side of the frame assembly away from the lens support body. The application solves the problem of poor use performance of the anti-shake structure of the optical lens in the prior art.

Description

Technical Field

[0001] This invention relates to the field of optical lens equipment, and more specifically, to a lens driving structure, a camera device, and a mobile terminal. Background Technology

[0002] As consumers' demand for mobile phone photography increases, the functions of mobile phone cameras (i.e., camera modules) are becoming more and more abundant. Features such as portrait shooting, telephoto shooting, optical zoom, and optical image stabilization are all integrated into cameras with limited space. Among them, autofocus and optical image stabilization often rely on optical actuators or motors to achieve these functions.

[0003] Traditional optical actuators with focusing and image stabilization functions typically include a wire-stayed structure. In this structure, the image stabilization mechanism is located below the focusing mechanism, connected via four flexible wires. In the absence of shake, the focusing mechanism drives the lens along the optical axis (Z-axis) to capture a sharp image. In the event of shake, the lens may move slightly along the X-axis or Y-axis. When image stabilization is activated, the image stabilization mechanism drives the focusing mechanism to move along the X-axis or Y-axis to compensate for the shake. However, this wire-stayed structure is extremely difficult to assemble, and the wires are easily deformed by external impacts, affecting the accuracy of the image stabilization drive.

[0004] Therefore, existing technologies suffer from poor performance of optical lens image stabilization structures. Summary of the Invention

[0005] The main objective of this invention is to provide a lens driving structure, a camera device, and a mobile terminal to solve the problem of poor performance of the image stabilization structure of optical lenses in the prior art.

[0006] To achieve the above objectives, according to one aspect of the present invention, a lens driving structure is provided, including a housing and a base assembly. The housing covers the base assembly and forms an accommodating space with the base assembly. The lens driving structure further includes: a lens support body disposed within the accommodating space; a frame assembly, at least a portion of which is movably disposed within the frame assembly; a first driving assembly, at least a portion of which is disposed on the lens support body and at least another portion of which is disposed on the frame assembly; a second driving assembly, at least a portion of which is disposed on the frame assembly and at least another portion of which is disposed on the base assembly; a guide assembly, at least a portion of which is disposed on the frame assembly and at least another portion of which is disposed on the base assembly; and a movable frame disposed on the side of the frame assembly away from the lens support body. When the second driving assembly is energized, the frame assembly drives the lens support body to move along the X-axis and / or Y-axis directions, and the frame assembly and the portion of the guide assembly disposed on the frame assembly move relative to the movable frame and / or the frame assembly, the portion disposed on the frame assembly, and the movable frame move relative to the base assembly.

[0007] Furthermore, when the first drive component is energized, the lens support moves relative to the frame component along the Z-axis.

[0008] Furthermore, the guide assembly includes multiple guide bodies, with multiple guide bodies respectively provided on the frame assembly and the base assembly. The movable frame is provided with multiple guide grooves corresponding to the multiple guide bodies, and each guide body cooperates with at least one different guide groove.

[0009] Furthermore, the extending direction of the guide body disposed on the frame assembly is perpendicular to the extending direction of the guide body disposed on the base assembly, and the extending direction of the guide groove is the same as the extending direction of the corresponding guide body.

[0010] Furthermore, the guide groove that mates with the guide body on the frame assembly is located on the side of the movable frame closer to the frame assembly; the guide groove that mates with the guide body on the base assembly is located on the side of the movable frame farther from the frame assembly.

[0011] Furthermore, the number of guides on the frame assembly is the same as the number of guides on the base assembly; and / or one of the guides on the frame assembly and the guides on the base assembly extends along the X-axis direction, and the other extends along the Y-axis direction.

[0012] Furthermore, the number of guide bodies is the same as the number of guide grooves and they correspond one-to-one. The length of the guide groove is less than the length of the guide body, and the two ends of the guide body in the length direction extend from the two ends of the corresponding guide groove in the length direction.

[0013] Furthermore, the movable frame is quadrilateral and includes a first side, a second side, a third side, and a fourth side connected in sequence. The first side and the third side are parallel to each other, and the second side and the fourth side are parallel to each other. The frame assembly and the base assembly are each provided with four guide bodies. The frame assembly is provided with two spaced guide bodies corresponding to the first side and the third side, and the base assembly is provided with two spaced guide bodies corresponding to the second side and the fourth side.

[0014] Furthermore, the guide body is cylindrical; and / or the guide body is made of ceramic material.

[0015] Furthermore, the movable frame is made of metal; or the movable frame is made of non-metallic material, and the surface of the movable frame has a Teflon coating.

[0016] Furthermore, there are clearance gaps between the movable frame and the base assembly, and between the movable frame and the frame assembly.

[0017] Furthermore, the first driving component includes: a first driving magnet disposed on the circumferential outer wall of the lens support; and a first driving coil disposed on the frame component corresponding to the first driving magnet.

[0018] Furthermore, the lens driving structure also includes an FPC board, at least a portion of which is disposed on the base assembly, and at least another portion of which is disposed on the frame assembly and electrically connected to the first driving coil.

[0019] Furthermore, the second driving component includes: at least two second driving magnets disposed on the frame component; and at least two second driving coils, the number of which is the same as the number of second driving magnets and disposed on the base component corresponding to the second driving magnets.

[0020] Furthermore, the first driving magnet and the second driving magnet are respectively distributed on different side walls of the frame assembly.

[0021] Furthermore, the lens driving structure also includes a plurality of second magnetic clasps, which are disposed on the base assembly corresponding to the second driving magnets, and each second driving magnet corresponds to at least one different second magnetic clasp.

[0022] Furthermore, the lens driving structure also includes at least two sliding shafts. At least one sliding shaft is provided at each end of the side wall of the frame assembly where the first driving magnet is located. The axial direction of the sliding shaft is the same as the Z-axis, and the sliding shaft abuts against the lens support.

[0023] Furthermore, the frame component is provided with a first sliding groove corresponding to the sliding shaft, and the lens support is provided with a second sliding groove corresponding to the sliding shaft. The number of sliding shafts, first sliding grooves, and second sliding grooves are the same and correspond one-to-one.

[0024] Furthermore, the lens driving structure also includes multiple balls, and the inner wall of the second slide groove is provided with two rows of balls arranged along the Z-axis direction, and the part of the slide shaft located in the second slide groove abuts against the balls.

[0025] Furthermore, the two rows of balls located in the same second groove have the same number and correspond one-to-one. The two corresponding balls have the same height in the Z-axis direction, and the angle between the line connecting the center of one ball to the slide shaft and the line connecting the center of the other ball to the slide shaft is greater than or equal to 60 degrees and less than or equal to 90 degrees.

[0026] Furthermore, the lens driving structure also includes a first magnetic absorbing piece, which is disposed on the side of the first driving coil away from the first driving magnet.

[0027] According to another aspect of the present invention, a camera device is provided, including the lens driving structure described above.

[0028] According to another aspect of the present invention, a mobile terminal is provided, including the above-described camera device.

[0029] Applying the technical solution of this invention, the lens driving structure in this application includes a housing and a base assembly. The housing covers the base assembly and forms an accommodating space with the base assembly. The lens driving structure also includes a lens support, a frame assembly, a first driving assembly, a second driving assembly, a guide assembly, and a movable frame disposed within the accommodating space. At least a portion of the lens support is movably disposed inside the frame assembly; at least a portion of the first driving assembly is disposed on the lens support, and at least another portion of the first driving assembly is disposed on the frame assembly; at least a portion of the second driving assembly is disposed on the frame assembly, and at least another portion of the second driving assembly is disposed on the base assembly; at least a portion of the guide assembly is disposed on the frame assembly, and at least another portion of the guide assembly is disposed on the base assembly; the movable frame is disposed on the side of the frame assembly away from the lens support; when the second driving assembly is energized, the frame assembly drives the lens support to move along the X-axis and / or Y-axis directions, and the frame assembly and the portion of the guide assembly disposed on the frame assembly move relative to the movable frame and / or the frame assembly, the portion disposed on the frame assembly, and the movable frame move relative to the base assembly.

[0030] When using the lens driving structure of this application, since at least a portion of the lens support is movably disposed inside the frame assembly, the lens support can move relative to the frame assembly in the Z-axis direction during AF driving. When image stabilization driving is required, the second driving component can be energized, enabling the frame assembly to drive the lens support to perform image stabilization movement in the XY plane. Simultaneously, because the frame assembly and a portion of the guide components mounted on the frame assembly move relative to the movable frame, and the frame assembly, the portion mounted on the frame assembly, and the movable frame move relative to the base assembly, the cooperation between the guide components and the movable frame achieves guiding and limiting of the frame assembly's movement. This also effectively reduces friction between the frame assembly and the base assembly, thereby improving the image stabilization effect. Therefore, the lens driving structure of this application effectively solves the problem of poor performance in existing optical lens image stabilization structures. Attached Figure Description

[0031] The accompanying drawings, which form part of this application, are used to provide a further understanding of the invention. The illustrative embodiments of the invention and their descriptions are used to explain the invention and do not constitute an undue limitation of the invention. In the drawings:

[0032] Figure 1 A schematic diagram of a lens driving structure according to a specific embodiment of the present invention is shown;

[0033] Figure 2 It shows Figure 1 Exploded view of the lens-driven structure in the image;

[0034] Figure 3 It shows Figure 1 A schematic diagram of the internal structure of the lens driving structure in the image;

[0035] Figure 4 It shows Figure 1 A schematic diagram showing the positional relationship between the lens support, frame assembly, FPC board, and first magnetic accumulator in the lens driving structure.

[0036] Figure 5 It shows Figure 1 A schematic diagram showing the positional relationship between the frame components, the first drive coil, and the slide shaft of the lens drive structure.

[0037] Figure 6 It shows Figure 1 A schematic diagram showing the positional relationship between the frame assembly, the second driving magnet, the FPC plate, and the guide body of the lens driving structure.

[0038] Figure 7 It shows Figure 1A schematic diagram showing the positional relationship between the lens support, the first driving magnet, and the ball bearings in the lens driving structure.

[0039] Figure 8 It shows Figure 1 A schematic diagram of the movable frame of the lens driving structure in the diagram;

[0040] Figure 9 It shows Figure 1 A schematic diagram showing the positional relationship between the base body and the guide body of the lens driving structure.

[0041] The above figures include the following reference numerals:

[0042] 10. Outer shell; 20. Base assembly; 21. Base body; 22. Base frame; 30. Lens support; 31. Second slide rail; 40. Frame assembly; 41. First slide rail; 50. First drive assembly; 51. First drive magnet; 52. First drive coil; 60. Second drive assembly; 61. Second drive magnet; 62. Second drive coil; 70. Guide assembly; 71. Guide body; 80. Movable frame; 81. Guide groove; 82. First side; 83. Second side; 84. Third side; 85. Fourth side; 90. FPC board; 100. Sliding shaft; 200. Ball bearing; 300. First magnetic chuck; 400. Second magnetic chuck. Detailed Implementation

[0043] It should be noted that, unless otherwise specified, the embodiments and features described in this application can be combined with each other. The present invention will now be described in detail with reference to the accompanying drawings and embodiments.

[0044] It should be noted that, unless otherwise specified, all technical and scientific terms used in this application have the same meaning as commonly understood by one of ordinary skill in the art to which this application pertains.

[0045] In this invention, unless otherwise stated, directional terms such as "upper," "lower," "top," and "bottom" are generally used in relation to the direction shown in the accompanying drawings, or in relation to the vertical, perpendicular, or gravitational direction of the component itself; similarly, for ease of understanding and description, "inner" and "outer" refer to the inner and outer contours of each component itself, but the above directional terms are not intended to limit this invention.

[0046] To address the poor performance of existing optical lens image stabilization structures, this application provides a lens driving structure, a camera device, and a mobile terminal.

[0047] Furthermore, the camera device in this application has the following lens driving structure, and the mobile terminal in this application can be a mobile phone, tablet computer, or laptop computer with the camera device of this application.

[0048] like Figures 1 to 9 As shown, the lens driving structure in this application includes a housing 10 and a base assembly 20. The housing 10 covers the base assembly 20 and forms an accommodating space with the base assembly 20. The lens driving structure also includes a lens support 30, a frame assembly 40, a first driving assembly 50, a second driving assembly 60, a guide assembly 70, and a movable frame 80 disposed inside the accommodating space. At least a portion of the lens support 30 is movably disposed inside the frame assembly 40; at least a portion of the first drive assembly 50 is disposed on the lens support 30, and at least another portion of the first drive assembly 50 is disposed on the frame assembly 40; at least a portion of the second drive assembly 60 is disposed on the frame assembly 40, and at least another portion of the second drive assembly 60 is disposed on the base assembly 20; at least a portion of the guide assembly 70 is disposed on the frame assembly 40, and at least another portion of the guide assembly 70 is disposed on the base assembly 20; the movable frame 80 is disposed on the side of the frame assembly 40 away from the lens support 30; when the second drive assembly 60 is energized, the frame assembly 40 drives the lens support 30 to move along the X-axis and / or Y-axis, and the frame assembly 40 and the portion of the guide assembly 70 disposed on the frame assembly 40 move relative to the movable frame 80 and / or the frame assembly 40, the portion disposed on the frame assembly 40, and the movable frame 80 move relative to the base assembly 20.

[0049] When using the lens driving structure of this application, since at least a portion of the lens support 30 is movably disposed inside the frame assembly 40, the lens support 30 can move relative to the frame assembly 40 in the Z-axis direction during AF driving. When image stabilization driving is required, the second driving component 60 can be energized, allowing the frame assembly 40 to drive the lens support 30 to perform image stabilization movement in the XY plane. Simultaneously, when the frame assembly 40 drives the lens support 30 to perform image stabilization movement in the XY plane, the frame assembly 40 and a portion of the guide component 70 disposed on the frame assembly 40 move relative to the movable frame 80, and the frame assembly 40, the portion disposed on the frame assembly 40, and the movable frame 80 move relative to the base assembly 20. Therefore, the cooperation between the guide component 70 and the movable frame 80 achieves the function of guiding and limiting the movement of the frame assembly 40, while also effectively reducing the friction between the frame assembly 40 and the base assembly 20, thereby improving the image stabilization effect. Therefore, the lens driving structure of this application effectively solves the problem of poor performance of image stabilization structures in existing optical lenses.

[0050] Furthermore, in this application, when the first drive assembly 50 is energized, the lens support 30 moves relative to the frame assembly 40 along the Z-axis.

[0051] In one specific embodiment of this application, the first driving assembly 50 includes a first driving magnet 51 and a first driving coil 52. The first driving magnet 51 is disposed on the circumferential outer wall of the lens support 30; the first driving coil 52 is disposed on the frame assembly 40 corresponding to the first driving magnet 51. Further, the lens driving structure also includes an FPC board 90, at least a portion of which is disposed on the base assembly 20, and at least another portion of which is disposed on the frame assembly 40 and electrically connected to the first driving coil 52. The second driving assembly 60 includes at least two second driving magnets 61 and at least two second driving coils 62. The second driving magnets 61 are disposed on the frame assembly 40; the number of second driving coils 62 is the same as the number of second driving magnets 61, and they are disposed on the base assembly 20 corresponding to the second driving magnets 61. Preferably, there are two second driving magnets 61 and two second driving coils 62. Furthermore, in this embodiment, through the interaction of the two second driving magnets 61 and the two second driving coils 62, forces in the X-axis and Y-axis directions can be provided to the frame assembly 40 respectively, thereby ensuring that the frame assembly 40 can drive the lens support 30 to perform anti-shake movement.

[0052] Specifically, the first driving magnet 51 and the second driving magnet 61 are respectively distributed on different side walls of the frame assembly 40. This arrangement ensures a more compact internal structure of the lens driving structure and facilitates miniaturization. Simultaneously, this arrangement effectively avoids mutual interference between the first driving magnet 51, the first driving coil 52, the second driving magnet 61, and the second driving coil 62, thereby ensuring more stable operation of the lens driving structure.

[0053] In another specific embodiment of this application, there are four second driving magnets 61 and four second driving coils 62. Furthermore, in this embodiment, two second driving coils 62 and two second driving magnets 61 are respectively provided on a set of oppositely arranged side arms of the frame assembly 40 and the lens support 30, and these two driving coils and two driving magnets provide forces in different directions to the frame assembly 40.

[0054] In this application, the guide assembly 70 includes a plurality of guide bodies 71. The frame assembly 40 and the base assembly 20 are respectively provided with a plurality of guide bodies 71. The movable frame 80 is provided with a plurality of guide grooves 81 corresponding to the plurality of guide bodies 71. Each guide body 71 cooperates with at least one different guide groove 81.

[0055] Optionally, the extension direction of the guide 71 disposed on the frame assembly 40 is perpendicular to the extension direction of the guide 71 disposed on the base assembly 20, and the extension direction of the guide groove 81 is the same as the extension direction of the corresponding guide 71.

[0056] Optionally, a guide groove 81 that mates with the guide body 71 on the frame assembly 40 is provided on the side of the movable frame 80 near the frame assembly 40.

[0057] Optionally, a guide groove 81 that mates with a guide body 71 on the base assembly 20 is provided on the side of the movable frame 80 away from the frame assembly 40.

[0058] Optionally, the number of guides 71 on the frame assembly 40 is the same as the number of guides 71 on the base assembly 20.

[0059] Optionally, one of the guide 71 on the frame assembly 40 and the guide 71 on the base assembly 20 extends along the X-axis direction, and the other extends along the Y-axis direction.

[0060] Optionally, the number of guide bodies 71 is the same as the number of guide grooves 81 and they correspond one-to-one. The length of the guide groove 81 is less than the length of the guide body 71, and the two ends of the guide body 71 in the length direction extend from the two ends of the corresponding guide groove 81 in the length direction.

[0061] In one specific embodiment of this application, the movable frame 80 is quadrilateral and includes a first side 82, a second side 83, a third side 84, and a fourth side 85 connected sequentially. The first side 82 and the third side 84 are parallel to each other, and the second side 83 and the fourth side 85 are parallel to each other. The frame assembly 40 and the base assembly 20 are each provided with four guide bodies 71. The frame assembly 40 is provided with two guide bodies 71 corresponding to the first side 82 and the third side 84, and the base assembly 20 is provided with two guide bodies 71 corresponding to the second side 83 and the fourth side 85. The two guide bodies 71 corresponding to the same side are spaced apart along the length direction of the corresponding side. That is, the two guide bodies 71 corresponding to the first side 82 are spaced apart along the length direction of the first side 82. The arrangement of other guide bodies is similar and will not be described in detail. Of course, in this application, the two guide bodies corresponding to the same side can also be replaced by a longer guide body, or the two guide bodies can be integrally formed.

[0062] In other words, in this application, the cooperation between the guide body 71 and the guide groove 81 effectively limits the movement direction of the frame assembly 40, thereby effectively ensuring the stability of the lens drive structure's movement. Furthermore, in this application, when the frame assembly 40 moves in the XY plane, the guide body 71 on the frame assembly 40 can slide relative to the guide groove 81 of the movable frame 80, and the movable frame 80 remains relatively stationary with respect to the guide body 71 on the base assembly 20. Moreover, the guide body 71 on the frame assembly 40 can also drive the movable frame 80 to move together relative to the guide body 71 on the base assembly 20 by cooperating with the corresponding guide groove 81; at this time, the guide groove 81 on the movable frame 80 moves relative to the guide body 71 on the base assembly 20. Of course, the above two movement methods can be performed simultaneously.

[0063] Optionally, the guide body 71 is cylindrical. Furthermore, the guide body 71 is made of ceramic material. This design effectively reduces the friction between the guide body 71 and the guide groove 81, thereby ensuring the sensitivity of the lens drive structure's movement. Of course, in this application, the guide body 71 can also be made of a high-strength, non-magnetic metallic material, and lubrication can be increased by coating the surface with a Teflon coating.

[0064] Optionally, the movable frame 80 is made of a metal material. Alternatively, the movable frame 80 is made of a non-metallic material, and its surface has a Teflon coating. This is to reduce the friction between the guide body 71 and the guide groove 81. It should be noted that the movable frame 80 needs to be made of a non-magnetic material.

[0065] Specifically, there are clearance gaps between the movable frame 80 and the base assembly 20, and between the movable frame 80 and the frame assembly 40. This arrangement effectively reduces the contact between the movable frame 80 and the base assembly 20 and the frame assembly 40, thereby reducing the friction between the movable frame 80 and the base assembly 20 and the frame assembly 40.

[0066] In one specific embodiment of this application, the lens driving structure further includes at least two sliding shafts 100. At least one sliding shaft 100 is provided at each end of the sidewall of the frame assembly 40 where the first driving magnet 51 is located. The axial direction of the sliding shaft 100 is the same as the Z-axis, and the sliding shaft 100 abuts against the lens support 30. Further, the frame assembly 40 is provided with a first sliding groove 41 corresponding to the sliding shaft 100, and the lens support 30 is provided with a second sliding groove 31 corresponding to the sliding shaft 100. The number of sliding shafts 100, the first sliding groove 41, and the second sliding groove 31 are the same and correspond one-to-one. Furthermore, the lens driving structure also includes multiple ball bearings 200. The inner sidewall of the second sliding groove 31 is provided with two rows of ball bearings 200 arranged along the Z-axis direction, and the portion of the sliding shaft 100 located within the second sliding groove 31 abuts against the ball bearings 200. By setting the sliding shaft 100, the friction between the frame assembly 40 and the lens support 30 can be effectively reduced when the lens support 30 moves relative to the frame assembly 40, thereby ensuring smoother movement of the lens support 30. At the same time, the cooperation between the sliding shaft 100, the first sliding groove 41, and the second sliding groove 31 can also guide the movement of the lens support 30, thereby ensuring the stability of the movement of the lens support 30.

[0067] Specifically, the lens driving structure also includes a first magnetic absorbing piece 300, which is disposed on the side of the first driving coil 52 away from the first driving magnet 51. This arrangement allows the first magnetic absorbing piece 300 to interact with the first driving magnet 51, thereby enabling the lens support 30 to be attracted to and abut against the slide shaft 100. Of course, to avoid excessive attraction from the first magnetic absorbing piece 300, it can be hollowed out.

[0068] Furthermore, the lens driving structure also includes multiple second magnetic clasps 400, each corresponding to a second driving magnet 61, disposed on the base assembly 20. Each second driving magnet 61 corresponds to at least one different second magnetic clasp 400. This arrangement ensures that the guides on the frame assembly and the base assembly can fit more closely to the movable frame, thereby preventing movement of the movable frame in the Z-axis direction and ensuring the guiding effect of the movable frame on different guides in the X-axis or Y-axis directions. In one specific embodiment of this application, each second driving magnet cooperates with a different second magnetic clasp.

[0069] Preferably, the two rows of balls 200 located in the same second groove 31 are of the same number and correspond one-to-one. The two corresponding balls 200 are at the same height in the Z-axis direction, and the angle between the line connecting the center of one ball 200 to the slide shaft 100 and the line connecting the center of the other ball 200 to the slide shaft 100 is greater than or equal to 60 degrees and less than or equal to 90 degrees. This arrangement can effectively prevent the lens support 30 from jamming or becoming unstable during its movement relative to the frame assembly 40.

[0070] Optionally, in this application, the base assembly 20 includes a base body 21 and a base frame 22, wherein the base body is used to mount the guide body 71, and the base frame is used to mount the second drive coil 62. The second drive coil can be electrically connected to the base body via a PCB board.

[0071] As can be seen from the above description, the embodiments of the present invention achieve the following technical effects:

[0072] 1. Effectively solves the problem of poor performance of the image stabilization structure in existing optical lenses;

[0073] 2. Simple structure and stable performance.

[0074] Obviously, the embodiments described above are merely some, not all, embodiments of the present invention. All other embodiments obtained by those skilled in the art based on the embodiments of the present invention without inventive effort should fall within the scope of protection of the present invention.

[0075] It should be noted that the terminology used herein is for the purpose of describing particular embodiments only and is not intended to limit the exemplary embodiments according to this application. As used herein, the singular form is intended to include the plural form as well, unless the context clearly indicates otherwise. Furthermore, it should be understood that when the terms "comprising" and / or "including" are used in this specification, they indicate the presence of features, steps, operations, devices, components, and / or combinations thereof.

[0076] It should be noted that the terms "first," "second," etc., used in the specification, claims, and accompanying drawings of this application are used to distinguish similar objects and are not necessarily used to describe a specific order or sequence. It should be understood that such data can be interchanged where appropriate so that the embodiments of this application described herein can be implemented in sequences other than those illustrated or described herein.

[0077] The above description is merely a preferred embodiment of the present invention and is not intended to limit the invention. Various modifications and variations can be made to the present invention by those skilled in the art. Any modifications, equivalent substitutions, improvements, etc., made within the spirit and principles of the present invention should be included within the scope of protection of the present invention.

Claims

1. A lens driving structure, characterized in that, The lens driving structure includes a housing (10) and a base assembly (20), the housing (10) covering the base assembly (20) and forming an accommodating space with the base assembly (20), and the lens driving structure further includes a component disposed within the accommodating space: Lens support (30); The frame assembly (40) has at least a portion of the lens support (30) movably disposed inside the frame assembly (40); A first drive assembly (50), at least a portion of which is disposed on the lens support (30), and at least another portion of which is disposed on the frame assembly (40); A second drive assembly (60) is provided on the frame assembly (40), and at least another part of the second drive assembly (60) is provided on the base assembly (20); A guide component (70), at least a portion of which is disposed on the frame component (40), and at least another portion of which is disposed on the base component (20); A movable frame (80) is disposed on the side of the frame assembly (40) away from the lens support (30); When the second drive assembly (60) is powered on, the frame assembly (40) drives the lens support (30) to move along the X-axis and / or Y-axis, and the frame assembly (40) and the portion of the guide assembly (70) disposed on the frame assembly (40) move relative to the movable frame (80) and / or the frame assembly (40), the portion disposed on the frame assembly (40) and the movable frame (80) move relative to the base assembly (20); When the first drive assembly (50) is energized, the lens support (30) moves relative to the frame assembly (40) along the Z-axis.

2. The lens driving structure according to claim 1, characterized in that, The guide assembly (70) includes a plurality of guide bodies (71), and the frame assembly (40) and the base assembly (20) are respectively provided with a plurality of guide bodies (71). The movable frame (80) is provided with a plurality of guide grooves (81) corresponding to the plurality of guide bodies (71), and each guide body (71) cooperates with at least one different guide groove (81).

3. The lens driving structure according to claim 2, characterized in that, The extension direction of the guide (71) disposed on the frame assembly (40) is perpendicular to the extension direction of the guide (71) disposed on the base assembly (20), and the extension direction of the guide groove (81) is the same as the extension direction of the corresponding guide (71).

4. The lens driving structure according to claim 2, characterized in that, The guide groove (81) that mates with the guide (71) on the frame assembly (40) is provided on the side of the movable frame (80) near the frame assembly (40); The guide groove (81) that mates with the guide (71) on the base assembly (20) is located on the side of the movable frame (80) away from the frame assembly (40).

5. The lens driving structure according to claim 2, characterized in that, The number of guides (71) on the frame assembly (40) is the same as the number of guides (71) on the base assembly (20); and / or One of the guides (71) on the frame assembly (40) and the guides (71) on the base assembly (20) extend along the X-axis direction, and the other extends along the Y-axis direction.

6. The lens driving structure according to claim 2, characterized in that, The number of guide bodies (71) is the same as the number of guide grooves (81) and they correspond one-to-one. The length of the guide groove (81) is less than the length of the guide body (71), and the two ends of the guide body (71) in the length direction extend from the two ends of the corresponding guide groove (81) in the length direction.

7. The lens driving structure according to claim 2, characterized in that, The movable frame (80) is quadrilateral and includes a first side (82), a second side (83), a third side (84), and a fourth side (85) connected in sequence. The first side (82) and the third side (84) are parallel to each other, and the second side (83) and the fourth side (85) are parallel to each other. The frame assembly (40) and the base assembly (20) are respectively provided with four guide bodies (71). The frame assembly (40) is provided with two spaced guide bodies (71) corresponding to the first side (82) and the third side (84), and the base assembly (20) is provided with two spaced guide bodies (71) corresponding to the second side (83) and the fourth side (85).

8. The lens driving structure according to claim 2, characterized in that, The guide (71) is cylindrical; and / or The guide (71) is made of ceramic material.

9. The lens driving structure according to claim 1, characterized in that, The movable frame (80) is made of metal; or The movable frame (80) is made of non-metallic material and the surface of the movable frame (80) has a Teflon coating.

10. The lens driving structure according to any one of claims 1 to 9, characterized in that, There are clearance gaps between the movable frame (80) and the base assembly (20), and between the movable frame (80) and the frame assembly (40).

11. The lens driving structure according to any one of claims 1 to 9, characterized in that, The first driving component (50) includes: The first driving magnet (51) is disposed on the circumferential outer wall of the lens support (30); The first driving coil (52) is disposed on the frame assembly (40) corresponding to the first driving magnet (51).

12. The lens driving structure according to claim 11, characterized in that, The lens driving structure also includes an FPC board (90), at least a portion of which is disposed on the base assembly (20), and at least another portion of which is disposed on the frame assembly (40) and electrically connected to the first driving coil (52).

13. The lens driving structure according to claim 11, characterized in that, The second drive component (60) includes: At least two second driving magnets (61) are disposed on the frame assembly (40); At least two second drive coils (62) are provided on the base assembly (20) in the same number as the second drive magnets (61).

14. The lens driving structure according to claim 13, characterized in that, The first driving magnet (51) and the second driving magnet (61) are respectively distributed on different sidewalls of the frame assembly (40).

15. The lens driving structure according to claim 13, characterized in that, The lens driving structure also includes a plurality of second magnetic absorbing pieces (400), which are disposed on the base assembly (20) corresponding to the second driving magnet (61), and each second driving magnet (61) corresponds to at least one different second magnetic absorbing piece (400).

16. The lens driving structure according to claim 11, characterized in that, The lens driving structure further includes at least two sliding shafts (100). At least one sliding shaft (100) is provided at both ends of the side wall of the frame assembly (40) where the first driving magnet (51) is located. The axial direction of the sliding shaft (100) is the same as the Z-axis, and the sliding shaft (100) abuts against the lens support (30).

17. The lens driving structure according to claim 16, characterized in that, The frame assembly (40) is provided with a first groove (41) corresponding to the sliding shaft (100), and the lens support (30) is provided with a second groove (31) corresponding to the sliding shaft (100). The number of the sliding shaft (100), the first groove (41), and the second groove (31) are the same and correspond one-to-one.

18. The lens driving structure according to claim 17, characterized in that, The lens driving structure also includes a plurality of balls (200), and the inner sidewall of the second slide groove (31) is provided with two rows of balls (200) arranged along the Z-axis direction, and the portion of the slide shaft (100) located in the second slide groove (31) abuts against the balls (200).

19. The lens driving structure according to claim 18, characterized in that, The number of the two rows of balls (200) located in the same second groove (31) is the same and they correspond one to one. The two corresponding balls (200) have the same height in the Z-axis direction, and the angle between the line connecting the center of one ball (200) and the sliding shaft (100) and the line connecting the center of the other ball (200) and the sliding shaft (100) is greater than or equal to 60 degrees and less than or equal to 90 degrees.

20. The lens driving structure according to claim 11, characterized in that, The lens driving structure also includes a first magnetic absorbing piece (300), which is disposed on the side of the first driving coil (52) away from the first driving magnet (51).

21. A camera device, characterized in that, The lens driving structure includes any one of claims 1 to 20.

22. A mobile terminal, characterized in that, Includes the camera device as described in claim 21.

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