CN220367462U

CN220367462U - Carrier, frame assembly and lens driving mechanism

Info

Publication number: CN220367462U
Application number: CN202322338769.1U
Authority: CN
Inventors: 鲍和平; 彭坤; 林聪�; 刘富泉; 吕新科
Original assignee: Henan Hozel Electronics Co Ltd
Current assignee: Henan Hozel Electronics Co Ltd
Priority date: 2023-08-30
Filing date: 2023-08-30
Publication date: 2024-01-19
Anticipated expiration: 2033-08-30

Abstract

The utility model discloses a carrier, a frame assembly and a lens driving mechanism, which comprises an annular body, a built-in metal sheet, a circuit board and a first coil, wherein the annular body is used for installing a lens, the axis of the annular body is parallel to the direction of an optical axis, at least one sliding groove is arranged on the radial outer side of the annular body, and the sliding groove extends along the direction of the optical axis. At least a portion of the built-in metal sheet is located within the annular body. The circuit board is connected with the annular body and is electrically connected with the built-in metal sheet, and the circuit board is provided with a control chip. The first coil is connected to the annular body and is electrically connected with the built-in metal sheet and the control chip, and the first coil and the sliding groove are located on the same side of the annular body.

Description

Carrier, frame assembly and lens driving mechanism

Technical Field

The present utility model relates to the field of lens driving technologies, and in particular, to a carrier, a frame assembly, and a lens driving mechanism.

Background

In recent years, along with the development of technology, many electronic devices have photographing or video recording functions. The use of these electronic devices is becoming more and more popular and is evolving towards a convenient and light-weight design that provides more options for the user.

In practice, in order to accommodate photographing of various scenes, the lens needs to be continuously focused, and in the prior art, a lens driving mechanism is generally used to drive the lens to move along the optical axis direction so as to adjust the focal length.

In the prior art, the lens driving mechanism comprises a frame, a carrier, an upper reed, a lower reed and a base, wherein the carrier is provided with a coil and can be movably arranged in the frame, and the carrier is used for installing a lens. The upper reed is elastic and connected to the top of the frame and the top of the carrier, the lower reed is also elastic and connected to the bottom of the carrier and the bottom of the frame, and the upper reed and the lower reed movably connect the carrier in the frame. The frame is movably arranged above the base through a plurality of suspension wires and can move along the direction perpendicular to the optical axis of the lens so as to prevent the lens from shaking. The carrier is arranged in the frame and can move along the optical axis direction of the lens so as to adjust the focal length of the lens.

However, in the prior art, the carrier rotates or tilts when moving along the optical axis direction, and cannot stabilize focusing, so that shooting is affected, and therefore, improvement of the carrier is required, and a more stable carrier structure is developed.

Disclosure of Invention

The utility model aims to provide a carrier, a frame assembly and a lens driving mechanism so as to solve the problems.

To solve the above technical problems, embodiments of the present utility model provide a carrier, including:

the annular body is used for mounting the lens, the axis of the annular body is parallel to the optical axis direction of the lens, at least one sliding groove is formed in the radial outer side of the annular body, and the sliding groove extends along the optical axis direction of the lens;

a built-in metal sheet, at least a portion of the built-in metal sheet being located within the annular body;

the circuit board is connected with the annular body and is electrically connected with the built-in metal sheet, and the circuit board is provided with a control chip;

the first coil is connected to the annular body and is electrically connected with the built-in metal sheet and the control chip, and the first coil and the sliding groove are located on the same side of the annular body.

In one embodiment, the circuit board is stacked on the side edge of the annular body, the first coil and the control chip are respectively connected to the side surface, far away from the annular body, of the circuit board, and the control chip is located in the ring of the first coil and is arranged at intervals with the sliding groove.

In one embodiment, the annular body comprises a first side extending along a first direction, the first side is provided with a mounting groove, and the mounting groove is arranged at intervals with the sliding groove;

the circuit board is located in the mounting groove, the first coil is stacked on the outer side face of the circuit board and located in the mounting groove, and the control chip is located in the first coil.

The utility model also relates to a frame assembly comprising:

the carrier described above;

the frame is annular and formed by extending around the carrier, the frame is provided with a first magnet group, and the first magnet group is arranged opposite to the first coil and matched with the first coil to drive the carrier to move along the optical axis direction; and

a spring leaf having elasticity and being connected to the frame and the carrier.

In one embodiment, the frame is provided with a first rolling element, an axis of the first rolling element extends along the optical axis direction, and at least a part of the first rolling element protrudes from the inner side of the frame and is located in the sliding groove.

In one embodiment, the annular body comprises:

a first side extending along a first direction;

the two second sides extend along a second direction and are positioned at two ends of the first side, and the second direction and the first direction are perpendicular to the optical axis direction;

the third side edge is parallel to and opposite to the first side edge, and the length of the third side edge is smaller than that of the first side edge; and

two fourth sides, the two fourth sides are located between the two second sides and the third side respectively;

the first side is provided with a mounting groove, and the circuit board and the first coil are positioned in the mounting groove;

the sliding groove is formed by the first side edge in a recessed mode;

the inner shape of the frame matches the outer shape of the annular body.

In one embodiment, the first side edge is further provided with a sheet-like permanent magnet.

The present utility model also relates to a lens driving mechanism comprising:

the frame assembly is provided with a second magnet group;

the base is positioned below the frame assembly and is provided with a second coil, the second magnet group and the first magnet group can be matched to drive the frame to move along the radial direction, and

the bracket is in rolling connection with the base;

the frame is in rolling connection with the bracket.

In one embodiment, the base is provided with a second rolling element, the axis of which is parallel to the first direction;

the bracket is in rolling connection with the base through the second rolling piece;

the bracket is provided with a third rolling element, and the axis of the third rolling element is parallel to the second direction;

the frame is in rolling connection with the bracket through the third rolling piece.

In one embodiment, the first rolling member and the frame are connected by two-shot molding; and/or the second rolling element is connected with the base through a two-time injection molding mode; and/or the third rolling element is connected with the bracket through a two-time injection molding mode.

The carrier is provided with the sliding groove, and the sliding groove and the first coil are arranged on the same side, so that stable operation of the carrier can be ensured, and further, the precise focusing of the lens driving mechanism is improved.

Drawings

Fig. 1 to 3 are exploded views of a lens driving mechanism in an embodiment of the present utility model.

Fig. 4 is a perspective view of the carrier, frame, base and bracket of the embodiment of fig. 1.

Fig. 5 is an exploded view of the carrier in the embodiment shown in fig. 1.

Fig. 6 is a perspective view of the base and bracket of the embodiment of fig. 1.

Fig. 7 is a perspective view of the frame and carrier of the embodiment of fig. 1.

Reference numerals: 100. a lens driving mechanism; 1. a base; 11. a second rolling member; 12. a second coil; 13. a plate body; 14. a limiting piece; 2. a bracket; 21. a third rolling member; 3. a frame; 31. a first magnet group; 32. a first rolling member; 4. a carrier; 401. a first side; 402. a second side; 403. a third side; 404. a fourth side; 41. an annular body; 42. a circuit board; 43. a control chip; 44. a first coil; 45. a mounting groove; 46. a chute; 47. a metal sheet is arranged in the steel plate; 5. a reed; 6. a housing;

Detailed Description

For the purpose of making the objects, technical solutions and advantages of the present utility model more apparent, embodiments of the present utility model will be described in detail below with reference to the accompanying drawings. However, those of ordinary skill in the art will understand that in various embodiments of the present utility model, numerous technical details have been set forth in order to provide a better understanding of the present application. However, the technical solutions claimed in the claims of the present application can be realized without these technical details and various changes and modifications based on the following embodiments.

Throughout the specification and claims, unless the context requires otherwise, the word "comprise" and variations such as "comprises" and "comprising" will be understood to be open-ended, meaning of inclusion, i.e. to be interpreted to mean "including, but not limited to.

The following detailed description of various embodiments of the present utility model will be provided in connection with the accompanying drawings to provide a clearer understanding of the objects, features and advantages of the present utility model. It should be understood that the embodiments shown in the drawings are not intended to limit the scope of the utility model, but rather are merely illustrative of the true spirit of the utility model.

Reference throughout this specification to "one embodiment" or "an embodiment" means that a particular feature, structure, or characteristic described in connection with the embodiment is included in at least one embodiment. Thus, appearances of the phrases "in one embodiment" or "in an embodiment" in various places throughout this specification are not necessarily all referring to the same embodiment. Furthermore, the particular features, structures, or characteristics may be combined in any suitable manner in one or more embodiments.

As used in this specification and the appended claims, the singular forms "a," "an," and "the" include plural referents unless the context clearly dictates otherwise. It should be noted that the term "or" is generally employed in its sense including "and/or" unless the context clearly dictates otherwise.

In the following description, for the purposes of clarity of presentation of the structure and manner of operation of the present utility model, the description will be made with the aid of directional terms, but such terms as "forward," "rearward," "left," "right," "outward," "inner," "outward," "inward," "upper," "lower," etc. are to be construed as convenience, and are not to be limiting.

The present utility model relates to a lens driving mechanism 100, as shown in fig. 1-3, the lens driving mechanism 100 comprises a frame 3, a carrier 4, a base 1, a bracket 2, a reed 5, a housing 6, etc., wherein the base 1 is used for supporting the bracket 2 and the frame 3, and the carrier 4 is installed in the frame 3 for installing a lens. The reed 5 is connected with the frame 3 and the carrier 4 for driving the carrier 4 to reset. The outer casing 6 covers the outside of the frame 3 and is connected with the base 1 for protecting external foreign matters from entering the carrier 4 to influence shooting.

Specifically, the carrier 4 includes an annular body 41, a built-in metal sheet 47, a circuit board 42, and a first coil 44, wherein the annular body 41 is a ring formed around the lens, that is, the axis of the annular body 41 is parallel to the optical axis direction of the lens, and the lens is mounted on the radially inner side of the annular body 41.

The annular body 41 is generally made of plastic material by injection molding. The built-in metal sheet 47 is built in the annular body 41 by injection molding, and a part of connection ends of the built-in metal sheet 47 are required to be arranged outside the annular body 41 for external electrical connection.

The circuit board 42 is provided with a control chip 43, and the circuit board 42 is connected to the outside or inside of the annular body 41 and electrically connected to the built-in metal sheet 47.

The first coil 44 is also connected to the annular body 41, and the first coil 44 is also electrically connected to the built-in metal sheet 47, the circuit board 42, and the control chip 43. The control chip 43 can directly control the current level of the first coil 44 and the switch.

The circuit board 42 and the control chip 43 are directly arranged on the annular body 41 and are directly and electrically connected with the first coil 44, so that the current on-off of the first coil 44 can be directly controlled. In addition, the first coil 44 can be directly electrically connected to an external power source through the built-in metal sheet 47, that is, it is not necessary to directly electrically connect the first coil 44 to the external power source, it is not necessary to wind both ends of the first coil 44 around the annular body 41, and it is also possible to reduce the length of the first coil 44. The built-in metal sheet 47 is embedded in the annular body 41, and the connection between the built-in metal sheet 47 and the annular body 41 is more stable, that is, the built-in metal sheet 47 is more stable in electrical connection with the external power source and the carrier 4, and the stability of the circuit can be increased, compared with the case where the first coil 44 is directly electrically connected with the external power source.

Furthermore, in the embodiment shown in fig. 4 and 5, the annular body 41 is an irregular hexagon, and the radially outer side of the annular body 41 is formed by six sides, specifically including a first side 401, two second sides 402, a third side 403 and two fourth sides 404, wherein the first side 401 is defined to extend along a first direction, the third side 403 and the first side 401 are relatively parallel and the length of the third side 403 is smaller than the length of the first side 401. The two second sides 402 are disposed opposite to each other in parallel, and define that the second sides 402 extend along the second direction, and the two second sides 402 are located at two ends of the first side 401. The two fourth sides 404 are respectively located between two ends of the two second sides 402 and the third sides 403, and the extending directions of the two fourth sides 404 respectively intersect with the two second sides 402 and the third sides 403.

The first direction and the second direction are perpendicular to the optical axis direction respectively, and the first direction and the second direction are radial directions.

The two sliding grooves 46 are respectively disposed at two ends of the first side 401 along the first direction, and a mounting groove 45 is disposed between the two sliding grooves 46, the mounting groove 45 is formed by recessing the first side 401 of the annular body 41, and one connecting end of the built-in metal sheet 47 extends to the inner wall of the mounting groove 45. The circuit board 42 is located in the mounting groove 45 and is closely attached to the inner wall of the mounting groove 45, and is electrically connected to the connection end of the built-in metal sheet 47. The first coil 44 is disposed on an outer side surface of the circuit board 42, and the control chip 43 is located in a loop of the first coil 44.

It can be seen that the chute 46 and the mounting groove 45 are both provided on the first side 401, and the first coil 44 is mounted in the mounting groove 45, i.e. the first coil 44 and the chute 46 are also provided on the first side 401. The first coil 44 is configured to cooperate with the first magnet group 31 of the frame 3 to drive the carrier 4 to move along the optical axis direction, and the driving force of the annular body 41 generated by cooperation of the first coil 44 and the first magnet group 31 is mainly concentrated on the first side 401 of the annular body 41. The sliding groove 46 is also disposed on the first side 401 of the annular body 41, and the sliding groove 46 is further matched with the first rolling element 32 of the frame 3, so that the annular body 41 can be prevented from tilting when moving along the optical axis direction, and the annular body 41 can further run more stably. Furthermore, only one first coil 44 is provided on the annular body 41, and the load of the annular body 41 can be reduced as compared with the plurality of first coils 44 of the related art.

It should be appreciated that in other embodiments, the circuit board 42 may be stacked on the outer side or bottom of the annular body 41, and the first coil 44 may be connected to the outer side of the annular body 41 or may be connected to the outer side of the circuit board 42.

In addition, in the embodiment shown in fig. 5, the entire annular body 41 has a hexagonal structure, and in other embodiments, the annular body 41 may be provided with an octagonal or quadrangular structure, and the present utility model is not limited to the shape of the annular body 41, as long as the chute 46 and the first coil 44 are provided on the same side.

The frame 3 is ring-shaped and provided with two magnet groups, namely a first magnet group 31 and a second magnet group, wherein the first magnet group 31 is connected with one side part of the frame 3 and is arranged opposite to the first coil 44, and can be matched with the first coil 44 to drive the carrier 4 to move along the optical axis direction. The second magnet set cooperates with the second coil 12 of the base 1 to drive the frame 3 to move along the first direction or the second direction.

The first magnet group 31 is provided on one side portion of the frame 3 extending in the first direction, the side portion being provided opposite to the first side 401. The first magnet group 31 includes three magnets arranged along the second direction, the bottom ends of the three magnets are substantially flush, wherein two axial magnets and one radial magnet are arranged in opposite directions along the optical axis direction, i.e. the N pole of the axial magnet is located at the top, the S pole is located at the bottom, the N pole of the other axial magnet is located at the bottom, and the S pole is located at the bottom. The radial magnet is positioned between the two axial magnets, and the magnetic pole direction is set along the second direction.

The height of the axial magnets on the inner side is larger than that of the axial magnets on the outer side, and the axial magnets on the inner side can be matched with the first coil 44 to drive the carrier 4 to move. The magnetic field lines formed at the bottoms of the two axial magnets vertically penetrate through the second coil 12 of the base 1 and are matched with the second coil 12 to drive the frame 3 to move. The bottoms of the two axial magnets and the radial magnets also form magnetic field lines passing through the second coil 12, respectively, so that the magnetic flux passing through the second coil 12 can be further increased.

The second magnet group is arranged at the other side parts of the frame 3, and the specific position of the second magnet group is not limited, and the second magnet group is used for being matched with the second coil 12 in the base 1 to drive the frame 3 to move along the first direction or the second direction.

The frame 3 is further provided with two first rolling elements 32 on the inner side, and the two first rolling elements 32 may be rollers or balls. In the embodiment shown in fig. 7, the axial direction of the first rolling elements 32 is parallel to the optical axis direction and is respectively located at two ends of the first magnet group 31, two first rolling elements 32 are connected with the frame 3 in a rolling manner, and the radial direction of the first rolling elements 32 protrudes from the inner side of the frame 3 and is located in two sliding grooves 46. When the carrier 4 moves along the optical axis direction, the two first rolling members 32 can limit the movement direction of the carrier 4, prevent the carrier 4 from tilting, and play a guiding role. In addition, since the first rolling member 32 can roll, when the carrier 4 is slightly inclined, rolling contact with the first rolling member 32, that is, rolling friction with the first rolling member 32, sliding friction with each other, can be reduced.

The frame 3 is made of plastic and is formed by injection molding. The first rolling members 32 extend along both ends of the axis to form connecting rods, respectively, and may be connected to the frame 3 by two-shot molding. Specifically, when the frame 3 is processed, a majority of the area of the frame 3 is first injection molded into a semi-finished product with a first mold, and mounting grooves are formed, both ends of which are used for placing connecting rods, and the middle of which is used for preventing the first rolling members 32. The first rolling elements 32 are respectively arranged in the mounting grooves, the connecting rods of the first rolling elements 32 are positioned at two ends of the mounting grooves, the semi-finished product and the first rolling elements 32 are placed in the second die, and injection molding is carried out on the two ends of the mounting grooves, so that the connecting rods are rotatably connected with the frame 2.

In another embodiment, the semi-finished product is provided with a mounting groove, the connecting rod of the first rolling element 32 is located at the inner side of the frame 2 after the first rolling element is placed in the mounting groove, the semi-finished product and the first rolling element 32 can be placed in a second mold, and then the positions of the inner side surface of the frame 2 and the connecting rods at two ends of the first rolling element 32 are subjected to injection molding, namely, the second injection molding forms a protruding block protruding out of the frame 3, and the protruding block connects the connecting rod of the first rolling element 32 with the inner side surface of the frame 3 in a rotatable shaft manner.

It should be appreciated that the first rolling member 32 may be made of various materials, such as metal, ceramic, soft plastic, or plastic. It should be noted that, if the first rolling member 32 is made of plastic, the semi-finished product of the frame 3 and the first rolling member 32 may be directly molded by injection molding during the second molding.

The first side 401 of the annular body 41 is further provided with a sheet-shaped permanent magnet, and the sheet-shaped permanent magnet can be attached to the outside of the first side 401 or the bottom wall of the mounting groove 45 for attracting the first magnet group 31, so that the annular body 41 is conveniently closer to the first magnet group 31, that is, the chute 46 is closer to the first rolling member 32, and the movement direction of the carrier 4 can be stably limited.

The reed 5 has elasticity and is connected with the frame 3 and the carrier 4, and after the carrier 4 moves, the reed 5 can drive the carrier 4 to reset.

The frame 2 and the base 1 are moved in the second direction by rolling, and the frame 3 and the frame 2 are moved in the first direction by rolling, that is, the frame 3 is movable in the first direction and the second direction with respect to the base 1.

Specifically, the base 1 includes a plate 13 and four limiting members 14, the plate 13 is rectangular plate-shaped and has four corners, and the four limiting members 14 are respectively connected with the top surface of the plate 13 and located at the four corners.

The top surface of the plate body 13 is provided with four second rolling elements 11, the four second rolling elements 11 are respectively close to the four limiting elements 14, the axes of the four second rolling elements 11 are respectively parallel to the first direction, the four second rolling elements 11 are also rolling shafts, the top of the four second rolling elements slightly protrudes out of the top surface of the plate body 13, and the four second rolling elements 11 can roll and can support the support frame 2 to move along the second direction.

The plate 13 is also made of plastic material and is also molded by injection molding. The second rolling members 11 extend along both ends of the axis to form connecting rods, respectively, and may be connected to the plate body 13 by two-shot molding. Specifically, when the plate 13 is processed, a first mold is used to mold a majority of the plate 13 into a semi-finished product, four grooves are formed, the depth of two ends of each groove is slightly higher than the depth of the middle, the two ends are used for placing connecting rods, and the middle is used for preventing the second rolling elements 11. The four second rolling elements 11 are respectively arranged in the four grooves, connecting rods of the second rolling elements 11 are positioned at two ends of the grooves, then the semi-finished product and the four second rolling elements 11 are arranged in a second die, and injection molding is carried out on two ends of the grooves, so that the connecting rods are rotatably connected with the plate body 13.

In another embodiment, the semi-finished product is provided with four grooves, after the four second rolling elements 11 are placed in the four grooves, the connecting rods of the four second rolling elements 11 are located on the top surface of the plate 13, the semi-finished product and the four second rolling elements 11 can be placed in a second mold, and then injection molding is performed on the top surface of the plate 13 and two ends of the four second rolling elements 11, namely, the second injection molding forms a protruding block protruding out of the plate 13, and the protruding block connects the connecting rods of the four second rolling elements 11 with the rotatable shaft of the plate 13.

In other embodiments, the semi-finished product of the plate 13 after the first injection molding is provided with four mounting holes, and the thickness direction of the four mounting hole plate bodies 13 penetrates through the plate 13. And placing the semi-finished product in a second die, wherein four second rolling elements 11 are respectively placed in four mounting holes, and connecting rods of the four second rolling elements 11 are respectively arranged on the top surface of the bottom plate. The positions of the connecting rods of the four second rolling elements 11 are subjected to secondary injection molding, and the connecting rods of the four second rolling elements 11 are connected with the top surface of the plate body 13 in a rotatable shaft manner.

It should be appreciated that the second rolling member 11 may be made of various materials, such as metal, ceramic, soft plastic or plastic materials. It should be noted that if the four second rolling elements 11 are made of plastic material, the semi-finished product of the plate 13 and the four second rolling elements 11 may be directly molded integrally during the second molding.

The support 2 is substantially rectangular and has four third rolling elements 21 at the top, the four third rolling elements 21 are respectively located at four corners of the support 2 and have axes parallel to the second direction, the four third rolling elements 21 are also rollers, the top of the four third rolling elements slightly protrudes from the top surface of the support 2, the four third rolling elements 21 can roll around the axes thereof, and the support frame 3 moves along the first direction.

The third rolling member 21 may be connected to the bracket 2 by injection molding of the second rolling member 11 and the plate 13, that is, by two injection molding. If the third rolling element 21 is made of plastic, it may be injection molded integrally with the bracket 2 during the second injection molding process.

Four limiting members 14 are respectively positioned at the outer sides of the bracket 2 and the frame 3, so that the movement range of the bracket 2 and the frame 3 can be limited.

The board 13 has a second coil 12 and a built-in wiring electrically connected to the second coil 12. In addition, the built-in line also extends to the top end of the limiting piece 14 and is electrically connected with the reed 5, the reed 5 is electrically connected with the built-in metal sheet 47, the whole line structure is very simple, and the phenomenon of short circuit or open circuit caused by too many windings can not occur.

The carrier 4 is provided with the sliding groove 46, and the sliding groove 46 and the first coil 44 are arranged on the same side, so that stable operation of the carrier 4 can be ensured, and further, the precise focusing of the lens driving mechanism 100 is improved.

While the preferred embodiments of the present utility model have been described in detail above, it should be understood that aspects of the embodiments can be modified, if necessary, to employ aspects, features and concepts of the various patents, applications and publications to provide yet further embodiments.

These and other changes can be made to the embodiments in light of the above detailed description. In general, in the claims, the terms used should not be construed to be limited to the specific embodiments disclosed in the specification and the claims, but should be construed to include all possible embodiments along with the full scope of equivalents to which such claims are entitled.

It will be understood by those of ordinary skill in the art that the foregoing embodiments are specific examples of carrying out the utility model and that various changes in form and details may be made therein without departing from the spirit and scope of the utility model.

Claims

1. A carrier, comprising:

the annular body is used for mounting a lens, the axis of the annular body is parallel to the optical axis direction of the lens, at least one sliding groove is formed in the radial outer side of the annular body, and the sliding groove extends along the optical axis direction of the lens;

2. The carrier of claim 1, wherein the circuit board is stacked on a side of the annular body, the first coil and the control chip are respectively connected to a side of the circuit board away from the annular body, and the control chip is located in a loop of the first coil and is spaced apart from the chute.

3. The carrier of claim 1, wherein the annular body includes a first side extending in a first direction, the first side having a mounting slot, the mounting slot being spaced from the chute;

4. A frame assembly, comprising:

the vector of any one of claims 1-3;

5. The frame assembly according to claim 4, wherein the frame is provided with a first rolling member, an axis of the first rolling member extending in the optical axis direction, at least a portion of the first rolling member protruding from an inner side of the frame and being located in the chute.

6. The frame assembly of claim 5, wherein the annular body comprises:

a first side extending along a first direction;

the sliding groove is formed by the first side edge in a recessed mode;

the inner shape of the frame matches the outer shape of the annular body.

7. The frame assembly according to claim 6, wherein the first side edge is further provided with a permanent magnet in the form of a sheet.

8. A lens driving mechanism, characterized by comprising:

the frame assembly of claim 5, wherein the frame is provided with a second set of magnets;

the bracket is in rolling connection with the base;

the frame is in rolling connection with the bracket.

9. The lens driving mechanism according to claim 8, wherein the base is provided with a second rolling member, an axis of the second rolling member being parallel to the first direction;

10. The lens driving mechanism according to claim 9, wherein the first rolling member and the frame are connected by two-shot molding; and/or the second rolling element is connected with the base through a two-time injection molding mode; and/or the third rolling element is connected with the bracket through a two-time injection molding mode.