Camera driving device

By setting the guide structure of an arc-shaped protruding guide portion and a V-shaped slide groove between the lens carrier and the base of the imaging device, the problem of shaking during the focus process is solved, and the stable three-axis movement of the lens carrier is achieved and Clearer imaging effects.

CN222461860UActive Publication Date: 2025-02-11LIAONING ZHONGGUANG ELECTRIC TECH CO LTD
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Patent Information

Application Number
CN202323566764.0
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2023-12-26
Publication Date
2025-02-11
Estimated Expiration
2033-12-26

AI Technical Summary

Technical Problem

The existing camera devices are prone to shaking during the focus process of the lens, resulting in unclear imaging or blurred images. Due to the complex structure, the superposition tolerance of the motor is large, which affects the smoothness of the motion.

Method used

A guide structure is provided between the lens carrier and the base, including a first guide portion with an arc-shaped projection and a first V-shaped slide chute. A local contact structure is used to reduce friction and strengthen support through a cross beam connection to simplify the structure , reduce the superimposed tolerance of the motor.

Benefits of technology

The stable vertical movement of the lens carrier is achieved, reducing friction and resistance, making the lens more stable during the three-axis movement, and reducing the risk of imaging distortion.

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  • Figure CN222461860U_ABST
    Figure CN222461860U_ABST
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Abstract

The utility model discloses a camera driving device which comprises a protective shell and a base which are mutually buckled to form a cavity, and a lens carrier, a first driving mechanism and a first guide structure are all arranged in the cavity; the lens carrier is carried on the base, and the base is provided with a first circuit board; each first guide structure comprises a first sliding groove and first guide parts, each first guide part is of an arc-shaped protruding structure, each first sliding groove is of a V-shaped groove structure, a part of protrusions are arranged in each first sliding groove, and the first guide parts are symmetrically arranged at the two ends of the cross beam; the first guide structure is arranged between the inner wall of the base and the outer wall of the lens carrier corresponding to the inner wall in position; the first driving mechanism is arranged between the first circuit board and the lens carrier and drives the lens carrier to move along the first guide structure; according to the camera shooting driving device, the first guide part and the first sliding groove adopt a local contact type structure, so that the friction force between driven parts is reduced, and the stable movement of the lens carrier is realized.
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Description

Technical Field

[0001] The utility model belongs to the field of camera devices, and more specifically, relates to a camera driving device. Background Art

[0002] The optical systems of common handheld optical products on the market, such as digital cameras, video cameras, and mobile phones, are composed of an optical lens group and a camera drive device. During the shooting process, in order to adapt to various scenes, the lens moves along the Z axis and easily shakes during the focusing process, which leads to unclear imaging or blurred images. Usually, the displacement of the lens is adjusted in the horizontal direction to prevent the lens from shaking during the focusing process. In the above three-axis movement, it is difficult for the lens to operate smoothly.

[0003] The prior art usually uses structures such as balls and reeds to achieve smooth operation of the lens, and in order to ensure the moving space of the actuator, additional parts are added to achieve normal movement of the motor. The above structure has many assembled parts and complex processes, resulting in a large stacking tolerance of the motor. Utility Model Content

[0004] The utility model aims to provide a camera driving device, in which a guide structure is arranged between a lens carrier and a base, so as to reduce the friction between driven components and improve the movement stability of the lens carrier.

[0005] In order to achieve the above-mentioned purpose, the technical solution adopted by the utility model is as follows, including:

[0006] A protective shell and a base that are buckled together to form a cavity, a lens carrier, a first driving mechanism, and a first guide structure are all arranged in the cavity, the lens carrier is mounted on the base, and the base is provided with a first circuit board;

[0007] The first guide structure includes a first slide groove and a first guide portion, the first guide portion is an arc-shaped protrusion structure, the first slide groove is a V-shaped groove structure, a partial protrusion is provided in the first slide groove, and the first guide portion is symmetrically arranged at both ends of the beam; the first guide structure is arranged between the inner wall of the base and the outer wall of the lens carrier corresponding to its position;

[0008] The first driving mechanism is disposed between the first circuit board and the lens carrier, and drives the lens carrier to move along the first guide structure.

[0009] Preferably, a retaining wall extending upward is provided on one side of the base, the first slide groove is vertically arranged on the inner wall of the retaining wall, the first guide portion is arranged on the outer wall of the lens carrier corresponding to the position of the first slide groove, and the crossbeam is embedded in the outer wall of the lens carrier; or, the first guide portion is vertically arranged on the inner wall of the retaining wall, the first slide groove is arranged on the outer wall of the lens carrier corresponding to the position of the first guide portion, and the crossbeam is embedded in the inner wall of the retaining wall.

[0010] Preferably, the first driving mechanism includes: a first driving coil arranged on the first circuit board, and a first driving magnet corresponding to the position of the first driving coil, the first driving magnet is arranged on the outer wall of the lens carrier, the first circuit board is arranged on the outer wall of the retaining wall, the first driving coil is electrically connected to the circuit board, and drives the lens carrier to move in a vertical direction.

[0011] Preferably, the base includes a bottom plate, a first carrier and a second carrier mounted in sequence from bottom to top, the lens carrier is arranged in the second carrier of the base, the first slide groove is vertically arranged on the inner side wall of the second carrier, the first guide portion is arranged on the outer side wall of the lens carrier corresponding to the position of the first slide groove, and the crossbeam is embedded in the outer side wall of the lens carrier; or, the first guide portion is vertically arranged on the inner side wall of the second carrier, the first slide groove is arranged on the outer side wall of the lens carrier corresponding to the position of the first guide portion, and the crossbeam is embedded in the inner side wall of the second carrier.

[0012] Preferably, the first driving mechanism includes: a first driving coil arranged on a first circuit board, and a first driving magnet corresponding to the position of the first driving coil, the first driving magnet is arranged on the outer wall of the lens carrier, the first circuit board is arranged on the inner wall of the second carrier, the first driving coil is electrically connected to the first circuit board, and drives the lens carrier to move in a vertical direction.

[0013] Preferably, it also includes a second guide structure, which includes a second slide groove and a second guide portion, the second guide portion is an arc-shaped protruding structure, and the second slide groove is a V-shaped groove structure; the second guide portion is arranged at the four corners of the upper surface of the base plate, and the second slide groove is arranged on the lower surface of the first carrier corresponding to the position of the second guide portion, and the second guide portion and the second slide groove are arranged along the first horizontal direction.

[0014] Preferably, it also includes a second driving mechanism, which further includes: a second driving coil arranged on a second circuit board, and a second driving magnet corresponding to the position of the second driving coil, the second driving magnet is arranged on the lower surface of the first carrier, the second circuit board is arranged on the upper surface of the base plate, the second driving coil is electrically connected to the second circuit board, and drives the first carrier to move along the first horizontal direction.

[0015] Preferably, it also includes a third guide structure, which includes a third slide groove and a third guide portion, the third guide portion is an arc-shaped protrusion structure, and the third slide groove is a V-shaped groove structure; the third guide portion is arranged at the four corners of the upper surface of the first carrier, and the third slide groove is arranged on the lower surface of the second carrier corresponding to the position of the third guide portion, and the third guide portion and the third slide groove are arranged along a second horizontal direction, and the second horizontal direction is perpendicular to the first horizontal direction.

[0016] Preferably, a third driving mechanism is also included, and the third driving mechanism also includes: a third driving coil arranged on a third circuit board, and a third driving magnet corresponding to the position of the third driving coil, the third driving magnet is arranged on the lower surface of the second carrier, the third circuit board is arranged on the upper surface of the first carrier, the third driving coil is electrically connected to the third circuit board, and drives the second carrier to move along the second horizontal direction.

[0017] Preferably, anti-collision bosses are provided at the four corners of the upper surface and the four corners of the lower surface of the lens carrier.

[0018] The beneficial effects of the utility model are:

[0019] 1. The camera drive device of the utility model is provided with a vertically arranged first guide structure, the first guide structure includes a first slide groove and a first guide part, the first guide part is an arc-shaped protrusion structure, the first slide groove is a V-shaped groove structure and a partial protrusion is arranged in the first slide groove, the first guide part and the first slide groove adopt a local contact structure to reduce friction and realize the vertical stable movement of the lens carrier; a pair of first guide parts are connected by a crossbeam, and the crossbeam is embedded in the lens carrier or the base to play a reinforcing and supporting role, the crossbeam fixes the size between the first guide parts, the structure is simple, the installation size between the components is more stable and controllable, and the superposition tolerance of the motor is reduced.

[0020] 2. The camera driving device of the utility model is provided with a second guide structure and a third guide structure on the first carrier and the second carrier, and the second guide structure and the third guide structure are respectively arranged along the first horizontal direction and the second horizontal direction, so as to realize the three-axis movement of the lens carrier in the first horizontal direction, the second horizontal direction and the vertical direction.

[0021] Other features and advantages of the present invention will be described in detail in the subsequent specific implementation section. BRIEF DESCRIPTION OF THE DRAWINGS

[0022] By describing the exemplary embodiments of the present invention in more detail in conjunction with the accompanying drawings, the above and other purposes, features and advantages of the present invention will become more apparent. In the exemplary embodiments, the same reference numerals generally represent the same components.

[0023] Figure 1 The exploded structure diagram of the camera driving device according to one embodiment of the utility model is shown.

[0024] Figure 2 The figure shows the overall structure of the camera driving device according to one embodiment of the utility model.

[0025] Figure 3 A schematic structural diagram of a guide portion and a crossbeam in one embodiment of the utility model is shown.

[0026] Figure 4 A schematic diagram of the exploded structure of a camera driving device according to another embodiment of the utility model is shown.

[0027] Figure 5 The figure shows a structural schematic diagram of a camera driving device according to another embodiment of the utility model.

[0028] Figure 6 The figure shows the overall structure of a camera driving device according to another embodiment of the utility model.

[0029] Figure 7 A schematic structural diagram of a second carrier according to another embodiment of the utility model is shown.

[0030] Explanation of the accompanying drawings: 1. protective shell; 2. base; 3. lens carrier; 4. first guide part; 5. first driving magnet; 6. retaining wall; 7. first circuit board; 8. third circuit board; 9. anti-collision boss; 10. first driving coil; 11. crossbeam; 12. first slide groove; 13. electronic device; 14. bottom plate; 15. first carrier; 16. second carrier; 17. second driving mechanism; 18. third driving mechanism; 19. second guide part; 20. third guide part; 21. third slide groove; 22. second circuit board. DETAILED DESCRIPTION

[0031] The preferred embodiments of the present invention will be described in more detail below. Although the preferred embodiments of the present invention are described below, it should be understood that the present invention can be implemented in various forms and should not be limited by the embodiments described herein. On the contrary, these embodiments are provided to make the present invention more thorough and complete, and to fully convey the scope of the present invention to those skilled in the art. Example 1

[0032] like Figures 1 to 3 As shown, according to an embodiment of the utility model, the camera driving device includes:

[0033] A protective shell 1 and a base 2 are interlocked to form a cavity, and a lens carrier 3, a first driving mechanism, and a first guiding structure are all arranged in the cavity. The lens carrier 3 is mounted on the base 2, and the base 2 is provided with a first circuit board 7; one side of the base 2 is provided with a retaining wall 6 extending upward, and the first guiding structure includes a pair of first slide grooves 12 and a pair of first guide parts 4, the first guide part 4 is an arc-shaped protruding structure, the first slide groove 12 is a V-shaped groove structure, and a partial protrusion is provided in the first slide groove 12. A pair of first guide parts 4 are symmetrically arranged at both ends of the beam 11, and the first slide groove 12 is vertically arranged on the inner side wall of the retaining wall 6, and the first guide part 4 is arranged on the outer side wall of the lens carrier 3 corresponding to the position of the first slide groove 12, and the beam 11 is embedded in the outer side wall of the lens carrier 3, and the first driving mechanism is used to drive the lens carrier 3 to focus movement along the vertical direction.

[0034] Specifically, the base 2 of the camera driving device of this embodiment is provided with a retaining wall 6 extending upward, and the first guide structure is arranged between the inner wall of the retaining wall 6 of the base 2 and the outer wall of the lens carrier 3, so that the lens carrier 3 moves vertically. Part of the protrusion in the first slide groove 12 is arranged on the inner side wall of the V-shaped groove. As an example, the part of the protrusion in the first slide groove 12 can be a vertical strip structure with a protrusion. The first guide part 4 is a semicircular protrusion structure. The first guide part 4 and the first slide groove 12 adopt a partial contact structure, that is, the first guide part 4 contacts with part of the protrusion in the first slide groove 12, reducing the contact area and friction, and realizing the stable movement of the lens carrier 3. The crossbeam 11 is embedded in the outer side wall of the lens carrier 3 to form an integrated structure, which plays a role in strengthening and supporting. The crossbeam 11 fixes the size between the first guide parts 4. The mover and the stator are both integrated structures, and the size is more stable and controllable, reducing the stacking tolerance when the motor moves.

[0035] In this embodiment, if Figure 1As shown, the first driving mechanism is arranged between the first circuit board 7 and the lens carrier 3, and the first driving mechanism includes: a first driving coil 10 arranged on the first circuit board 7, and a first driving magnet 5 corresponding to the position of the first driving coil 10, the first driving magnet 5 is arranged on the outer wall of the lens carrier 3, the first circuit board 7 is arranged on the outer wall of the retaining wall 6, the first driving coil 10 is electrically connected to the first circuit board 7, and drives the lens carrier 3 to move in the vertical direction.

[0036] Specifically, the external signal is transmitted to the first driving coil 10 through the first circuit board 7. After the first driving coil 10 is energized, it interacts with the first driving magnet 5 to generate the Lorentz force, and the first driving magnet 5 drives the lens carrier 3 to move in the vertical direction.

[0037] In this embodiment, if Figure 1 As shown, anti-collision bosses 9 are provided at the four corners of the upper surface of the lens carrier 3, and anti-collision bosses 9 are provided at the four corners of the lower surface of the lens carrier 3, which can improve the stability of the lens carrier 3 when moving in the vertical direction.

[0038] In this embodiment, if Figure 3 As shown, the first guide portion 4 includes two sections of semi-circular arc-shaped protrusion structures arranged vertically, and the first slide groove 12 includes two sections of V-shaped groove structures arranged vertically. The two-section semi-arc-shaped protrusion structure can satisfy the guiding movement while reducing the friction between the first slide groove 12 and the first guide portion 4, with less resistance, so that the lens carrier 3 moves smoothly.

[0039] In this embodiment, if Figure 1 As shown, the camera driving device of this embodiment further includes an electronic device 13 , which is a position sensor. The position sensor is electrically connected to the first circuit board 7 and is used to detect and feedback the movement of the lens carrier 3 .

[0040] When the camera drive device of this embodiment is working, the external electrical signal is transmitted to the first drive coil 10 through the first circuit board 7. After the first drive coil 10 is energized, it interacts with the first drive magnet 5 to generate a Lorentz force. The Lorentz force drives the lens carrier 3 to move in the vertical direction. The first guide portion 4 and the first slide groove 12 adopt a local contact structure to reduce the friction force when the base 2 and the lens carrier 3 move relative to each other, resulting in less resistance and a faster response under the same thrust, thereby achieving stable movement of the lens carrier 3. Example 2

[0041] like Figure 4 As shown, according to another embodiment of the utility model, the camera driving device includes:

[0042] A protective shell 1 and a base 2 are interlocked to form a cavity, and a lens carrier 3, a first driving mechanism, and a first guiding structure are all arranged in the cavity. The lens carrier 3 is mounted on the base 2, and the base 2 is provided with a first circuit board 7; a retaining wall 6 extending upward is provided on one side of the base 2, and the first guiding structure includes a pair of first slide grooves 12 and a pair of first guide parts 4, the first guide part 4 is a semicircular convex structure, the first slide groove 12 is a V-shaped groove structure, and a pair of first guide parts 4 are symmetrically arranged at both ends of the beam 11; the first guide part 4 is vertically arranged on the inner wall of the retaining wall 6, the first slide groove 12 is arranged on the outer wall of the lens carrier 3 corresponding to the position of the first guide part 4, and the beam 11 is embedded in the inner wall of the retaining wall 6; the first driving mechanism is used to drive the lens carrier 3 to focus movement in the vertical direction, and the connection of other components is consistent with that in Example 1, which will not be repeated here.

[0043] When the camera drive device of this embodiment is working, the external electrical signal is transmitted to the first drive coil 10 through the first circuit board 7. After the first drive coil 10 is energized, it interacts with the first drive magnet 5 to generate a Lorentz force. The Lorentz force drives the lens carrier 3 to move in the vertical direction. The first guide portion 4 and the first slide groove 12 adopt a local contact structure to reduce the friction force when the base 2 and the lens carrier 3 move relative to each other, resulting in less resistance and a faster response under the same thrust, thereby achieving stable movement of the lens carrier 3. Example 3

[0044] like Figure 5-Figure 7 As shown, according to another embodiment of the utility model, the camera driving device includes:

[0045] A protective shell 1 and a base 2 are interlocked to form a cavity, and a lens carrier 3, a first driving mechanism, and a first guide structure are all arranged in the cavity. The base 2 is provided with a first circuit board 7, and the base 2 includes a bottom plate 14, a first carrier 15, and a second carrier 16 mounted in sequence from bottom to top. The lens carrier 3 is arranged in the second carrier 16 of the base 2, and the first guide portion 4 is vertically arranged on the inner side wall of the second carrier 16. The first slide groove 12 is arranged on the outer side wall of the lens carrier 3 corresponding to the position of the first guide portion 4, and the crossbeam 11 is embedded in the inner side wall of the second carrier 16; the first driving mechanism is used to drive the lens carrier 3 to focus movement along the vertical direction.

[0046] The base 2 of the camera driving device of this embodiment includes a bottom plate 14, a first carrier 15 and a second carrier 16 which are mounted in sequence from bottom to top. The lens carrier 3 is arranged in the second carrier 16. The first guide portion 4 of the first guide structure is arranged on the inner side wall of the second carrier 16 and is connected with the first slide groove 12 on the outer side wall of the lens carrier 3 so that the lens carrier 3 moves in the vertical direction. The first guide structure includes the first slide groove 12 and the first guide portion 4. The first guide portion 4 is a semicircular arc convex structure. The first slide groove 12 is a V-shaped groove structure. The crossbeam 11 is completely embedded in the inner side wall of the second carrier 16 to play a reinforcing and supporting role. The crossbeam 11 makes the size between the pair of first guide portions 4 more stable and controllable, reducing the stacking tolerance of the motor. The first guide portion 4 and the first slide groove 12 adopt a local contact structure to reduce friction and realize the vertical stable movement of the lens carrier 3.

[0047] In this embodiment, if Figure 5 As shown, the first driving mechanism includes: a first driving coil 10 arranged on the first circuit board 7, and a first driving magnet 5 corresponding to the position of the first driving coil 10, the first driving magnet 5 is arranged on the outer wall of the lens carrier 3, the first circuit board 7 is arranged on the inner wall of the second carrier 16, the first driving coil 10 is electrically connected to the first circuit board 7, and drives the lens carrier 3 to move in the vertical direction.

[0048] Specifically, the external signal is transmitted to the first driving coil 10 through the first circuit board 7. After the first driving coil 10 is energized, it interacts with the first driving magnet 5 to generate the Lorentz force, and the first driving magnet 5 drives the lens carrier 3 to move in the vertical direction.

[0049] In this embodiment, if Figure 5 As shown, the camera driving device of this embodiment further includes a second guide structure, the second guide structure includes a second slide groove and a second guide portion 19, the second guide portion 19 is a semicircular arc-shaped protrusion structure, and the second slide groove is a V-shaped groove structure; the second guide portion 19 is arranged at the four corners of the upper surface of the bottom plate 14, the second slide groove is arranged on the lower surface of the first carrier 15 corresponding to the position of the second guide portion 19, and the second guide portion 19 and the second slide groove are arranged along the first horizontal direction. The camera driving device of this embodiment further includes a second driving mechanism 17, the second driving mechanism 17 further includes: a second driving coil arranged on a second circuit board 22, and a second driving magnet corresponding to the position of the second driving coil, the second driving magnet is arranged on the lower surface of the first carrier 15, the second circuit board 22 is arranged on the upper surface of the bottom plate 14, the second driving coil is electrically connected to the second circuit board 22, and drives the first carrier 15 to move along the first horizontal direction.

[0050] Specifically, the second driving mechanism 17 is arranged between the first carrier 15 and the base plate 14, and is connected to the second circuit board 22 to drive the first carrier 15 to move along the second guide structure. The second driving mechanism 17 is used to drive the first carrier 15 to drive the second carrier 16 and the lens carrier 3 above it to move along the first water direction.

[0051] In this embodiment, if Figure 5 and Figure 7 As shown, the camera driving device of this embodiment also includes a third guide structure, the third guide structure includes a third slide groove 21 and a third guide part 20, the third guide part 20 is a semicircular arc-shaped protrusion structure, and the third slide groove 21 is a V-shaped groove structure; the third guide part 20 is arranged at the four corners of the upper surface of the first carrier 15, the third slide groove 21 is arranged on the lower surface of the second carrier 16 corresponding to the position of the third guide part 20, the third guide part 20 and the third slide groove 21 are arranged along the second horizontal direction, and the second horizontal direction is perpendicular to the first horizontal direction. The camera driving device of this embodiment also includes a third driving mechanism 18, the third driving mechanism 18 also includes: a third driving coil arranged on the third circuit board 8, and a third driving magnet corresponding to the position of the third driving coil, the third driving magnet is arranged on the lower surface of the second carrier 16, the third circuit board 8 is arranged on the upper surface of the first carrier 15, the third driving coil is electrically connected to the third circuit board 8, and drives the second carrier 16 to move along the second horizontal direction.

[0052] Specifically, the third driving mechanism 18 is arranged between the first carrier 15 and the second carrier 16, and a third guide structure is arranged between the upper surface of the first carrier 15 and the lower surface of the second carrier 16. The third guide structure is arranged along the second horizontal direction, and the second horizontal direction is perpendicular to the first horizontal direction. The third driving mechanism 18 is used to drive the second carrier 16 to drive the lens carrier 3 to move along the second horizontal direction.

[0053] In the camera drive device of this embodiment, a first drive mechanism is vertically arranged between the inner wall of the first carrier 15 and the outer wall of the lens carrier 3, a second drive mechanism 17 and a third drive mechanism 18 are horizontally arranged between the first carrier 15 and the second carrier 16, the first guide portion 4 is vertically arranged, and the second guide structure and the third guide structure are respectively arranged along the first horizontal direction and the second horizontal direction, thereby realizing three-axis movement of the lens carrier 3 along the first horizontal direction, the second horizontal direction and the vertical direction.

[0054] The embodiments of the present invention have been described above, and the above description is exemplary, not exhaustive, and is not limited to the disclosed embodiments. Many modifications and variations will be apparent to those skilled in the art without departing from the scope and spirit of the described embodiments.

Claims

1. A camera driving device, characterized in that: include: A protective shell (1) and a base (2) that are interlocked to form a cavity, a lens carrier (3), a first drive mechanism, and a first guide structure are all arranged in the cavity, the lens carrier (3) is mounted on the base (2), and the base (2) is provided with a first circuit board (7); The first guide structure comprises a first slide groove (12) and a first guide portion (4); the first guide portion (4) is an arc-shaped protruding structure; the first slide groove (12) is a V-shaped groove structure; a partial protrusion is provided in the first slide groove (12); the first guide portion (4) is symmetrically arranged at both ends of the crossbeam (11); the first guide structure is arranged between an inner wall of the base (2) and an outer wall of the lens carrier (3) corresponding to the position thereof; The first driving mechanism is arranged between the first circuit board (7) and the lens carrier (3), and drives the lens carrier (3) to move along the first guide structure.

2. The imaging driving device according to claim 1, wherein: A retaining wall (6) extending upward is provided on one side of the base (2); the first slide groove (12) is vertically arranged on the inner side wall of the retaining wall (6); the first guide portion (4) is arranged on the outer side wall of the lens carrier (3) corresponding to the position of the first slide groove (12); and the cross beam (11) is embedded in the outer side wall of the lens carrier (3); or, the first guide portion (4) is vertically arranged on the inner side wall of the retaining wall (6); the first slide groove (12) is arranged on the outer side wall of the lens carrier (3) corresponding to the position of the first guide portion (4); and the cross beam (11) is embedded in the inner side wall of the retaining wall (6).

3. The imaging driving device according to claim 2, wherein: The first driving mechanism comprises: a first driving coil (10) arranged on the first circuit board (7), and a first driving magnet (5) corresponding to the position of the first driving coil (10), the first driving magnet (5) being arranged on the outer wall of the lens carrier (3), the first circuit board (7) being arranged on the outer wall of the retaining wall (6), the first driving coil (10) being electrically connected to the circuit board (7), and driving the lens carrier (3) to move in a vertical direction.

4. The imaging driving device according to claim 1, wherein: The base (2) comprises a bottom plate (14), a first carrier (15) and a second carrier (16) which are mounted in sequence from bottom to top; the lens carrier (3) is arranged in the second carrier (16) of the base (2); the first slide groove (12) is vertically arranged on the inner side wall of the second carrier (16); the first guide portion (4) is arranged on the outer side wall of the lens carrier (3) corresponding to the position of the first slide groove (12); and the cross beam (11) is embedded in the outer side wall of the lens carrier (3); or the first guide portion (4) is vertically arranged on the inner side wall of the second carrier (16); the first slide groove (12) is arranged on the outer side wall of the lens carrier (3) corresponding to the position of the first guide portion (4); and the cross beam (11) is embedded in the inner side wall of the second carrier (16).

5. The imaging driving device according to claim 4, wherein: The first driving mechanism comprises: a first driving coil (10) arranged on the first circuit board (7), and a first driving magnet (5) corresponding to the position of the first driving coil (10), the first driving magnet (5) being arranged on the outer side wall of the lens carrier (3), the first circuit board (7) being arranged on the inner side wall of the second carrier (16), the first driving coil (10) being electrically connected to the first circuit board (7), and driving the lens carrier (3) to move in a vertical direction.

6. The imaging driving device according to claim 4, wherein: The invention also includes a second guide structure, wherein the second guide structure includes a second slide groove and a second guide portion (19), wherein the second guide portion (19) is an arc-shaped protruding structure, and the second slide groove is a V-shaped groove structure; the second guide portion (19) is arranged at four corners of the upper surface of the bottom plate (14), and the second slide groove is arranged on the lower surface of the first carrier (15) corresponding to the position of the second guide portion (19), and the second guide portion (19) and the second slide groove are arranged along a first horizontal direction.

7. The imaging driving device according to claim 6, wherein: The invention also comprises a second driving mechanism (17), wherein the second driving mechanism (17) further comprises: a second driving coil arranged on a second circuit board (22), and a second driving magnet corresponding to the position of the second driving coil, wherein the second driving magnet is arranged on the lower surface of the first carrier (15), the second circuit board (22) is arranged on the upper surface of the bottom plate (14), and the second driving coil is electrically connected to the second circuit board (22) to drive the first carrier (15) to move along a first horizontal direction.

8. The imaging driving device according to claim 5, wherein: The invention also includes a third guide structure, wherein the third guide structure includes a third slide groove (21) and a third guide portion (20), wherein the third guide portion (20) is an arc-shaped protruding structure, and the third slide groove is a V-shaped groove structure; the third guide portion (20) is arranged at four corners of the upper surface of the first carrier (15), and the third slide groove is arranged on the lower surface of the second carrier (16) corresponding to the position of the third guide portion (20); the third guide portion (20) and the third slide groove (21) are arranged along a second horizontal direction, and the second horizontal direction is perpendicular to the first horizontal direction.

9. The imaging driving device according to claim 8, wherein: The invention also comprises a third driving mechanism (18), wherein the third driving mechanism (18) further comprises: a third driving coil arranged on a third circuit board (8), and a third driving magnet corresponding to the position of the third driving coil, wherein the third driving magnet is arranged on the lower surface of the second carrier (16), the third circuit board (8) is arranged on the upper surface of the first carrier (15), and the third driving coil is electrically connected to the third circuit board (8) to drive the second carrier (16) to move along a second horizontal direction.

10. The imaging driving device according to claim 1, wherein: Anti-collision bosses (9) are provided at the four corners of the upper surface and the four corners of the lower surface of the lens carrier (3).