CN217112849U - First carrier of lens driving device - Google Patents

Abstract

The utility model discloses a first carrier of camera lens drive arrangement, including upper portion and lower part, upper portion and the inside hollow structure that forms of lower part in order with the cooperation of second carrier, wherein upper portion form cylindricly and have with the shape that the lens support matches is with the installation lens support, the outside of lower part forms rectangular block shape and is equipped with reed inner circle mounting groove on the upper surface, it encircles to go up reed inner circle mounting groove the periphery on upper portion arranges. The utility model discloses a camera lens drive arrangement's first carrier can realize optics with camera lens drive arrangement's other part cooperations and zoom and optics anti-shake function to it zooms the function and realizes through the crystal lens piece, stable in structure, the dependable performance.

Description

First carrier of lens driving device

Technical Field

The utility model relates to an imaging field, concretely relates to camera lens drive arrangement's first carrier.

Background

With the development of technology, many electronic devices (such as smart phones or digital cameras) have a function of taking pictures or recording videos. The use of these electronic devices is becoming more common and the design direction of these electronic devices is being developed to be more convenient and thinner to provide more choices for users. However, at present, zooming is usually realized by using a carrier to drive a lens to move.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a first carrier of camera lens drive arrangement to a brand-new mode of zooming is provided.

In order to solve the above-mentioned problems, according to one aspect of the present invention, there is provided a lens driving device including a housing, a base, a first carrier, a second carrier, a first driving mechanism driving the first carrier to move in a direction of an optical axis, and a second driving mechanism driving the second carrier to move on a plane perpendicular to the optical axis,

the first carrier, the second carrier, the first driving mechanism and the second driving mechanism are arranged in a space formed by the matching of the shell and the base, wherein

The shell is equipped with crystal lens installation department in order to install the crystal lens, the second carrier is equipped with the camera lens mounting hole in order to install the camera lens, first carrier extrudes the realization and zooms to the crystal lens at the motion process along optical axis direction, the second carrier moves on the plane of perpendicular to optical axis direction and realizes optics anti-shake.

In one embodiment, the base is provided with a plurality of positioning columns extending towards the top of the shell, the shell is sleeved outside the plurality of positioning columns, and the top end of the shell is provided with a crystal lens buckle for fixing the crystal lens.

In one embodiment, the lens driving device further includes a limiting frame fixed on the limiting frame mounting post of the base and disposed at the periphery of the second carrier.

In one embodiment, the lens driving device further includes an upper spring, the upper spring includes an elastic member, and an outer ring and an inner ring connected by the elastic member, and the first driving mechanism includes a first magnet group fixed to the housing and a first coil disposed on the first carrier, and the upper spring is respectively connected to the inner wall of the top end of the housing and the end face of the top end of the first carrier by the outer ring and the inner ring, so as to movably connect the housing to the first carrier.

In one embodiment, the lens driving apparatus further includes a lower spring, the base is provided with a built-in circuit board, and the lower spring is disposed between the bottom end of the first carrier and the base and electrically connects the built-in circuit board and the first coil.

In one embodiment, a lens support is fixedly connected to the top end of the first carrier, when the first coil is powered on, the lens support moves along with the first carrier in the optical axis direction under the action of the magnetic field of the first magnet group, and the top end of the lens support moves against the crystal lens to realize deformation zooming of the crystal lens.

In one embodiment, the second driving mechanism includes a second magnet group, a metal connecting sheet, a suspension wire and a driving circuit board, the base is provided with a base built-in circuit board, the metal connecting sheet is fixedly arranged at four corners of the top end of the second carrier and connected with the upper end of the suspension wire, the lower end of the suspension wire is electrically connected with the base built-in circuit board, the driving circuit board is arranged at the bottom of the second carrier and provided with a second coil, and the second magnet group is arranged on the base, arranged at the bottom of the second coil and matched with the second coil to drive the second carrier to move on a plane perpendicular to the optical axis.

In one embodiment, the second drive mechanism further comprises a position circuit board arranged above the drive circuit board and provided with a position sensor cooperating with the second magnet group to detect displacement of the second carrier.

In one embodiment, the second driving mechanism comprises a second magnet group, metal connecting sheets, suspension wires, a position circuit board and a driving circuit board, the second carrier is arranged on the inner side of the bottom of the first carrier, the metal connecting sheets are fixed at four corners of the top end of the second carrier and are electrically connected with the top ends of the suspension wires, and the bottom ends of the suspension wires are electrically connected with the base built-in circuit board;

the metal connecting sheet is communicated with the position circuit board through the built-in metal connecting sheet of the second carrier, the position circuit board is provided with a position chip, the driving circuit board is arranged below the position circuit board, the driving circuit board and the position circuit board are fixedly connected with the bottom end of the second carrier, the driving circuit board is internally provided with a second coil, and the second magnet group is arranged on the base and located below the second coil.

In one embodiment, the base is provided with a magnet groove, and the second magnet group is arranged in the magnet groove.

In one embodiment, the position circuit board is provided with a first metal connecting port and a second metal connecting port, the driving circuit board is provided with a third metal connecting port, the first metal connecting port is connected with a bottom end contact of a built-in metal sheet of a second carrier, and the second metal connecting port is connected with the third metal connecting port of the driving circuit board.

In one embodiment, the position circuit board and the driving circuit board are respectively provided with a first notch and a second notch at four end corners and are embedded inside the carrier support legs of the second carrier in a matching manner through the first notch and the second notch.

In one embodiment, the position circuit board and the driving circuit board are arranged in an overlapping mode and are respectively provided with a first positioning groove and a second positioning groove, and the position circuit board and the driving circuit board are used for positioning and installing work.

In one embodiment, the base built-in circuit board comprises four power-on pins and two driving pins, the lower spring plate comprises a first spring wire, a second spring wire, a third spring wire and a fourth spring wire,

two ends of the first spring wire, the second spring wire, the third spring wire and the fourth spring wire are respectively connected with the first carrier and the base, wherein

The first spring wire and the second spring wire are connected with the base, one end of the base is respectively and electrically connected with two driving pins of a circuit board arranged in the base, so as to form a passage with the first coil outside the first carrier,

the four power-on pins are respectively and electrically connected with the bottom ends of the four suspension wires, the metal connecting sheet is electrically connected with the top ends of the four suspension wires, and the metal connecting sheet is further electrically connected with the position circuit board and the driving circuit board through the built-in metal sheet of the second carrier, so that power is supplied to the position circuit board and the driving circuit board.

According to another aspect of the present invention, there is also provided a first carrier of a lens driving device, the lens driving device including the first carrier, a second carrier, an upper reed, a lens holder, and a base, the first carrier including an upper portion and a lower portion, the inside of the upper portion and the lower portion forming a hollow structure to cooperate with the second carrier, wherein the upper portion forming a cylindrical shape and having a shape matching with the lens holder to mount the lens holder, the outside of the lower portion forming a rectangular block shape and being provided with an upper reed inner ring mounting groove on an upper surface, the upper reed inner ring mounting groove surrounding the periphery of the upper portion.

In one embodiment, the bottom end wall of the first carrier is provided with a first carrier limiting part, and the first carrier limiting part is matched with a first base limiting part on the base to limit the first carrier.

In one embodiment, the lens driving device further includes a lower spring, and the first carrier limiting part is provided with a lower spring mounting seat, and the lower spring mounting seat is connected with the lower spring.

In one embodiment, the lower spring mounting base is provided with a lower spring connecting post, and the lower spring connecting post is matched with the connecting hole of the lower spring to be connected with the lower spring.

In one embodiment, four side portions of the bottom end wall of the first carrier are respectively provided with a first carrier limiting portion, and the end portion of each first carrier limiting portion is provided with a lower spring mounting seat.

In one embodiment, the two lower spring mounting seats are provided with coil terminals on the outer sides, and the coil terminals are connected with the pins of the coil arranged on the first carrier.

In one embodiment, the inner side wall of the lower portion of the first carrier is provided with a first carrier limiting protrusion, and the first carrier limiting protrusion cooperates with a limiting frame of the lens driving device to limit the first carrier and prevent the first carrier from colliding with the second carrier.

In one embodiment, the top end surface of the upper part of the first carrier is provided with a lens support mounting column, and the lens support mounting column is matched with a mounting hole of a lens support so as to fixedly mount the lens support on the first carrier.

In one embodiment, the first carrier retaining protrusion has a length longer than a length of the first carrier retaining portion.

In one embodiment, the upper and lower portions of the first carrier are integrally formed.

The utility model discloses a camera lens drive arrangement can realize simultaneously that optics zooms and optics anti-shake function to its function of zooming is realized through the crystal lens piece, stable in structure, the dependable performance.

Drawings

Fig. 1 and fig. 2 are different exploded perspective views of a lens driving apparatus according to an embodiment of the present invention.

Fig. 3 is a sectional view of a lens driving apparatus according to an embodiment of the present invention.

Fig. 4 and 5 are front views of a position circuit board and a driving circuit board according to an embodiment of the present invention.

Fig. 6 and 7 are perspective views of the lower spring plate and the base built-in circuit board according to an embodiment of the present invention, respectively, wherein the base built-in circuit board is connected with a suspension wire.

Fig. 8 is a perspective view of a housing according to an embodiment of the present invention.

Fig. 9 is a bottom view of the housing according to an embodiment of the present invention.

Fig. 10 is a perspective view of a crystal lens according to an embodiment of the present invention.

Figure 11 illustrates a perspective view of an assembly of a lens carrier mounted on a second carrier according to one embodiment of the present invention.

Fig. 12 is a perspective view of a first carrier of an embodiment of the present invention, showing an upper surface of the first carrier.

Fig. 13 is another perspective view of the first carrier of an embodiment of the present invention, showing the lower surface of the first carrier.

Fig. 14-15 are different perspective views of a second carrier according to an embodiment of the present invention, showing the upper and lower surfaces of the second carrier, respectively.

Fig. 16-17 are different perspective views of a base of an embodiment of the present invention, showing the upper and lower surfaces of the base, respectively.

Detailed Description

The preferred embodiments of the present invention will be described in detail below with reference to the accompanying drawings so that the objects, features and advantages of the invention can be more clearly understood. It should be understood that the embodiments shown in the drawings are not intended as limitations on the scope of the invention, but are merely illustrative of the true spirit of the technical solution of the invention.

In the following description, for the purposes of illustrating various disclosed embodiments, certain specific details are set forth in order to provide a thorough understanding of the various disclosed embodiments. One skilled in the relevant art will recognize, however, that the embodiments may be practiced without one or more of the specific details. In other instances, well-known devices, structures and techniques associated with this application may not be shown or described in detail to avoid unnecessarily obscuring the description of the embodiments.

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, the appearances of the phrase "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.

In the following description, for the sake of clarity, the structure and operation of the present invention will be described with the aid of directional terms, but the terms "front", "rear", "left", "right", "outer", "inner", "outer", "inward", "upper", "lower", etc. should be understood as words of convenience and not as words of limitation.

Fig. 1 and 2 are different exploded perspective views of a lens driving device according to an embodiment of the present invention, and fig. 3 is a cross-sectional view of a lens driving device according to an embodiment of the present invention. As shown in fig. 1 to 3, the lens driving device 100 includes a housing 10, a base 20, a first carrier 30, a second carrier 40, a first driving mechanism for driving the first carrier 30 to move along an optical axis direction, and a second driving mechanism for driving the second carrier 40 to move on a plane perpendicular to the optical axis, wherein the first carrier 30, the second carrier 40, the first driving mechanism, and the second driving mechanism are disposed in a space formed by the housing 10 and the base 20, the housing 10 is provided with a crystal lens mounting portion for mounting a crystal lens 50, the second carrier 30 is provided with a lens mounting hole for mounting a lens 60, the first carrier 30 presses the crystal lens 50 during movement along the optical axis direction to implement a zoom function, and the second carrier 40 moves on a plane perpendicular to the optical axis direction to implement an optical anti-shake function. Therefore, the utility model discloses a camera lens drive arrangement can realize simultaneously that optics zooms and optics anti-shake function to its function of zooming is realized through the crystal lens piece, stable in structure, the dependable performance.

It should be noted that the first driving mechanism may be an electromagnetic driving mechanism or a piezoelectric driving mechanism, and the electromagnetic driving mechanism is taken as an example to describe the first driving mechanism and the second driving mechanism of an embodiment of the present invention, and those skilled in the art should understand that these embodiments are not intended to limit the scope of the first driving mechanism and the second driving mechanism of the present application, and those skilled in the art may select other driving forms such as piezoelectric driving, memory alloy driving, etc. according to the actual situation.

For convenience of description, the optical axis direction is defined as a Z axis in a three-dimensional coordinate system, the first driving mechanism drives the carrier to move along the Z axis direction to realize an automatic focusing function, which is also called as an AF function, two mutually perpendicular axes on a plane perpendicular to the Z axis are defined as an X axis and a Y axis, and the second driving mechanism drives the second carrier to move along the X axis or the Y axis to realize an optical anti-shake function, which is also called as an OIS function.

In one embodiment, referring to fig. 1, the housing 10 is provided with a crystal lens latch 13, the base 20 is provided with a positioning post 213, the housing 10 is sleeved outside the positioning post 213 of the base 20, and the crystal lens latch 13 is connected to the top end of the housing 10, which omits a crystal lens carrier in the prior art, and integrates the housing 10 and the crystal lens latch 13 into a whole, thereby reducing the assembly process and having higher structural strength.

Optionally, referring to fig. 1, a limiting frame 61 is disposed between the first carrier 30 and the second carrier 40, the limiting frame 61 is fixed on the limiting frame mounting column 22 of the base 20, the whole limiting frame 61 is in a rectangular ring shape and disposed at the periphery of the second carrier 40, and the limiting frame 61 is disposed to at least have the following functions: firstly, the maximum distance limit of the second carrier 40 in the directions of the X axis and the Y axis is realized; the peripheries of the second carrier and the second carrier 40 are provided with a step-shaped second carrier limiting bulge 42, the second carrier limiting bulge 42 is positioned below the limiting frame 61, and the limiting frame 61 can limit the movement of the second carrier 40 in the Z-axis direction after being matched with the second carrier limiting bulge 42; and thirdly, the limiting position is used as the lowest position limit of the first carrier 30 in the Z-axis direction, so that the collision phenomenon between the second carrier 40 and the first carrier 30 is prevented.

In one embodiment, referring to fig. 1 to 3, the lens driving apparatus 100 further includes an upper spring plate 71, and the upper spring plate 71 includes an elastic member 713 and an outer race 711 and an inner race 712 connected by the elastic member 713. The first driving mechanism comprises a first magnet group 73 fixed on the inner side wall of the housing 10 and a first coil 74 arranged on the outer side wall of the first carrier 30, the upper spring leaf 71 is connected to the inner side wall of the top end of the housing and the end surface of the top end of the first carrier 30 through an outer ring 711 and an inner ring 712 respectively, so as to movably connect the housing and the first carrier 30, the first magnet group 73 is arranged around the first coil 74, and optionally, the bottom end of the first magnet group 73 is supported by the first magnet supporting block 26 on the base 20.

In one embodiment, referring to fig. 1 to 3, the lens driving apparatus 100 further includes a lower spring 72, the lower spring 72 is disposed between the bottom end of the first carrier 30 and the base 20 and electrically connects the built-in circuit board 28 of the base 20 and the first coil 74, and the lower spring 72 functions to both elastically restore the first carrier 30 and energize the same.

In one embodiment, referring to fig. 1-3, a lens holder 55 is fixedly connected to the top end of the first carrier 30, and when the first coil 74 is energized, the lens holder 55 moves along with the first carrier 30 in the Z-axis direction under the action of the magnetic field of the first magnet set 73, and the top end of the lens holder 55 moves against the edge of the crystal lens 50, so as to realize the deformation zooming of the crystal lens.

In one embodiment, referring to fig. 2-3, the second drive mechanism includes a second magnet set 81, a metal connecting tab 82, a suspension wire 83, a position circuit board 84, and a drive circuit board 85. The second carrier 40 is disposed at the inner side of the bottom of the first carrier 30, the metal connecting sheets 82 are fixed at four corners of the top end of the second carrier 40 and are communicated with the top end of the suspension wire 83, the bottom end of the suspension wire 83 is communicated with the base built-in circuit board 28, the metal connecting sheets 82 are communicated with the position circuit board 84 through the built-in metal connecting sheets of the second carrier 40, the position circuit board 84 is provided with a position chip 841, the driving circuit board 85 is disposed below the position circuit board 84, the driving circuit board 85 and the position circuit board 84 are both fixedly connected with the bottom end of the second carrier 40, the driving circuit board 85 is internally provided with a second coil (not shown), the second magnet group 81 is disposed on the base 20 and below the second coil, and optionally, the second magnet group 81 is disposed in the magnet groove 27 of the base 20.

Fig. 4 and 5 are front views of the position circuit board and the driving circuit board according to an embodiment of the present invention, as shown in fig. 4-5, in an embodiment, the position circuit board 84 is provided with a first metal connecting port 841 and a second metal connecting port 842, the driving circuit board 85 is provided with a third metal connecting port 851, the first metal connecting port 841 is used for connecting with the bottom end contact 442 of the built-in metal sheet of the second carrier 40, and the second metal connecting port 842 is used for connecting with the third metal connecting port 851 on the driving circuit board 85, so as to realize electrical communication of the circuit from the built-in metal sheet of the second carrier, the position circuit board 84 and the driving circuit board 85 in sequence.

Alternatively, referring to fig. 4 to 5, the four corners of the position circuit board 84 and the driving circuit board 85 are respectively provided with a first notch 843 and a second notch 852 and are fittingly engaged with the inner sides of the carrier legs 47 of the second carrier 40 through the first notch 843 and the second notch 852.

Alternatively, referring to fig. 4 to 5, the position circuit board 84 and the driving circuit board 85 are disposed in an overlapping manner and are respectively provided with a first positioning slot 844 and a second positioning slot 853 to facilitate positioning and mounting work of the position circuit board 84 and the driving circuit board 85.

Referring to fig. 1-5, during assembly and operation, the lens 60 is fixed in the lens mounting hole 41 of the second carrier 40, an external circuit is electrically connected to the suspension wire 83 through the base built-in circuit board 28, and power is supplied to the position circuit board 84 and the driving circuit board 85 sequentially through the metal connecting sheet 82 and the built-in metal connecting sheet of the second carrier 40, after a second coil in the driving circuit board 85 is energized, the second carrier 40 is driven by the second coil in the second magnet group 81 to drive the lens 60 to move along the X-axis and the Y-axis directions, so as to achieve an optical anti-shake function, meanwhile, the position circuit board 84 and the driving circuit board 85 move together with the second carrier 40, and the position chip 841 on the position circuit board 84 performs a position sensing and positioning function.

Fig. 6 and 7 are perspective views of the lower spring plate and the base built-in circuit board according to an embodiment of the present invention, respectively, wherein the base built-in circuit board is connected with a suspension wire. As shown in fig. 6-7, in one embodiment, the base internal circuit board 28 includes four energizing pins 281 and two driving pins 282, the lower spring 72 includes a first spring 721, a second spring 722, a third spring 723 and a fourth spring 724, two ends of the first spring 721, the second spring 722, the third spring 723 and the fourth spring 724 are respectively connected to the first carrier 30 and the base 20, wherein one end of the first spring 721 and one end of the second spring 722 connected to the base 20 are respectively electrically connected to the two driving pins 282 of the base internal circuit board 28, so as to form a passage with the first coil 74 outside the first carrier 30, the four energizing pins 281 are respectively electrically connected to the bottom ends of the four suspension wires 83, the metal connecting pads 82 are electrically connected to the top ends of the four suspension wires 83, the metal connecting pads 82 are also communicated with the position circuit board 84 and the driving circuit board 85 through the internal metal connecting pads of the second carrier 40, thereby supplying power to the position circuit board 84 and the drive circuit board 85.

The housing 10 of an embodiment of the present invention is described below with reference to fig. 8 and 9. Fig. 8 is a perspective view of a housing according to an embodiment of the present invention, and fig. 9 is a bottom view of the housing according to an embodiment of the present invention. As shown in fig. 8 to 9, the housing 10 includes a rectangular frame 11 and a cylindrical portion 12 which are integrally formed, the rectangular frame 11 includes a top portion 111 and four side portions 112 integrally extended downward from an outer edge of the top portion 111, the top portion 111 has a rectangular structure and forms a circular opening in a middle portion thereof for fitting the lens, the circular opening is equal to an outer diameter of the cylindrical portion 12, the cylindrical portion 12 is coupled to the circular opening of the top portion 111 and defines a space for mounting the first carrier 20, the second carrier 30, the first driving mechanism and the second driving mechanism with the four side portions 112 and the top portion 111, and the crystal lens 50 is directly mounted on an upper end opening of the cylindrical portion 12.

In one embodiment, the inner wall of the cylindrical portion 12 is provided with a plurality of first housing protrusions 121, the plurality of housing protrusions 121 extend toward the center of the cylinder and sink for a certain distance to form a lens latch 13, and the lens 50 is mounted on the plurality of housing protrusions 121.

In one embodiment, a second housing protrusion 122 is disposed between every two first housing protrusions 121, the second housing protrusion 122 is formed to extend toward the center of the cylinder by a certain distance, and the second housing protrusion 122 extends toward the center of the cylinder by a length shorter than the first housing protrusion 121. When the crystal lens 50 is connected to the housing 10, the crystal lens 50 is mounted on the top end of the cylindrical portion 12, and specifically, the circular protrusion of the crystal lens 50 is embedded inside the second housing protrusion 122.

In one embodiment, a housing recess 123 is formed between the first housing protrusion 121 and the second housing protrusion 122, the housing recess 123 having an arcuate configuration and mating with a corresponding portion on the crystal optic 50.

In one embodiment, four corners of top 111 of rectangular frame 11 of housing 10 are provided with sunken portions 113, upper spring coupling protrusions 114 are formed on opposite sides of sunken portions 113, and upper spring coupling protrusions 114 are coupled to outer rings 711 of upper springs 71.

In one embodiment, one of the sides 112 of the rectangular frame 11 of the housing 10 is provided with a downwardly extending projection 115 to mate with the base 20.

A crystal lens 50 according to an embodiment of the present invention is described below with reference to fig. 10. Fig. 10 is a perspective view of a crystal lens 50 according to an embodiment of the present invention. As shown in fig. 10, a crystal lens 50 is fitted into the cylindrical portion 12 of the housing 10 and is mounted on the cylindrical portion 12 of the housing 10, a lens groove 51 is formed on an outer peripheral edge of the crystal lens 50 to facilitate mounting operation by a human hand or a robot, a circular protrusion 52 is formed on a bottom end of the crystal lens 50, a contact protrusion 53 is formed on a bottom end of the circular protrusion 52, a first lens protrusion 54 is formed on an outer periphery of the contact protrusion 53, and a second lens protrusion 56 is formed between every two lens grooves 51.

Fig. 11 is a perspective view of an assembly formed by mounting the lens holder 55 on the second carrier 30 according to an embodiment of the present invention, and as shown in fig. 8-11, when the lens 50 is connected to the housing 10, the lens is mounted on the top of the cylindrical portion 12, the circular protrusion 52 is embedded inside the second housing protrusion 122 of the housing 10, the contact protrusion 53 contacts with the upper end surface of the lens holder 55, the first housing protrusion 121 is located between the lens 50 and the lens holder 55 to play a limiting role, and the first lens protrusion 54 is correspondingly matched with the lens groove 551 arranged on the lens holder 55.

First carrier 30 of an embodiment of the present invention is described below with reference to fig. 12-13, wherein fig. 12 is a perspective view of first carrier 30 of an embodiment of the present invention, which shows an upper surface of first carrier 30, and fig. 13 is another perspective view of first carrier 30 of an embodiment of the present invention, which shows a lower surface of first carrier 30. As shown in fig. 12-13, the first carrier 30 includes an upper portion 31 and a lower portion 32, the interiors of the upper portion 31 and the lower portion 32 forming a hollow structure to fit with the lens and preferably integrally formed, the upper portion 31 forming a cylindrical shape and having a shape matching the lens holder 55 to mount the lens holder 55. The lower portion 32 is formed in a rectangular block shape at the outer portion thereof and is provided at the upper surface with an upper-reed inner-ring mounting groove 321, the upper-reed inner-ring mounting groove 321 being disposed around the upper portion 31 and serving to fixedly mount the inner ring of the upper reed 71.

In one embodiment, the bottom end wall of the first carrier 30, i.e. the lower surface of the lower portion 32, is provided with a first carrier limiting portion 322, and the first carrier limiting portion 322 cooperates with the first base limiting portion on the base 20 to perform a limiting function. Optionally, the first carrier limiting part 322 is provided with a lower reed mounting seat 323, and the lower reed mounting seat 323 is provided with a lower reed connecting column 324 for mounting with one end of a lower reed.

Optionally, four side portions of the bottom end wall of the first carrier 30 are respectively provided with a first carrier limiting portion 322, an end portion of each carrier limiting portion 322 is provided with a lower spring mounting seat 323, and the outer sides of two of the lower spring mounting seats 323 are provided with coil terminals 325, and the coil terminals 325 are connected with two end pins of the coil and are electrically connected with the lower springs through the adjacent lower spring mounting seats 323.

Optionally, the inner side wall of the lower portion 32 of the first carrier 30 is provided with a first carrier limiting protrusion 326, and the first carrier limiting protrusion 326 cooperates with the limiting frame to limit the first carrier 30, so as to prevent the first carrier 30 from colliding with the second carrier 40.

Optionally, the top end surface of the upper portion 31 of the first carrier 30 is provided with a lens holder mounting post 311, and the lens holder mounting post 311 is matched with a mounting hole of the lens holder 55, so as to fixedly mount the lens holder 55 on the first carrier 30.

A second carrier 40 of an embodiment of the invention is described below with reference to fig. 14-15. As shown in fig. 14 to 15, the second carrier 40 is provided with a built-in metal sheet inside and forms a rectangular frame structure as a whole, the second carrier 40 is provided with a lens mounting hole 41 at the middle part thereof for fitting with a lens, four side parts are formed around the lens mounting hole 41, the upper ends of the four side parts are provided with metal sheet positioning protrusions 43 and built-in metal sheet top end contacts 441, the metal sheet positioning protrusions 43 are used for mounting a metal connecting sheet, the metal connecting sheet is in contact with the built-in metal sheet top end contacts 441 after being mounted, and the bottom ends of the four side parts are provided with built-in metal sheet bottom end contacts 442.

Optionally, the upper ends of the four side portions are further provided with built-in sheet metal first welding holes 451, the lower ends of the four side portions are provided with built-in sheet metal second welding holes 452, the built-in sheet metal top end contact 441 corresponds to the built-in sheet metal first welding hole 451, the built-in sheet metal second welding holes 452 correspond to the built-in sheet metal bottom end contact 442, and the built-in sheet metal first welding holes 451 and the built-in sheet metal second welding holes 452 are respectively used for the welding operation of the built-in sheet metal top end contact 441 and the sheet metal connecting piece and the welding operation of the built-in sheet metal bottom end contact 442 and the position circuit board, and are simultaneously used for the positioning and mounting operation of the built-in sheet metal, and the energization operation of the suspension wires 83, the sheet metal 82, the built-in sheet metal and the position circuit board 84 is realized.

In one embodiment, one pair of opposite sides of the second carrier 40 are provided with second carrier limiting protrusions 42, and optionally, the first welding holes 441 of the built-in metal sheet are provided on the limiting protrusions 42, and the limiting protrusions 42 are used for cooperating with the limiting frame 61 to limit the second carrier.

Optionally, the edge end angle position of the second carrier 40 is provided with a suspension wire avoiding groove 46 for avoiding the suspension wire 83, and the suspension wire 83 is disposed in the suspension wire avoiding groove 46.

Optionally, the bottom end of the second carrier 40 is further provided with a carrier foot 47, the carrier foot 47 is used for supporting the second carrier 40, and the bottom end of the carrier foot 47 is in contact with the upper end face of the base 20.

Optionally, the upper surface of the second carrier limiting protrusion 42 is provided with a sinking portion 453, and the limiting frame 61 is installed in the sinking portion 453.

Alternatively, one second carrier retaining protrusion 42 is provided at each side of the second carrier 40, and a retaining groove 454 is provided at a lower surface of each second carrier retaining protrusion 42.

A base according to an embodiment of the present invention is described below with reference to fig. 16-17. As shown in fig. 16-17, the center of the base 20 is provided with a base center opening 21 matched with the lens, four base side parts and four base corners are formed around the base center opening 21, the four base corners are provided with lower spring mounting seats 21, the lower spring mounting seats 21 are provided with lower spring connecting columns 211, and the lower spring connecting columns 211 are used for mounting the other ends of the lower springs.

Optionally, the two lower spring mounting seats 21 are provided with lower spring connection points 212, which are communicated with the base built-in circuit board, so as to supply power to the coil on the first carrier through the lower springs; preferably, the lower spring attachment point 212 is provided on the lower spring mounting base 21 on a pair of diagonal corners.

Optionally, the lower spring mounting base 21 is further provided with a limiting column 213, the limiting column 213 is integrally extended upward for a certain distance from the lower spring mounting base 21, the housing 10 is sleeved on the outer side of the limiting column 213, and the first carrier 30 is located on the inner side of the limiting column 213.

Optionally, only one lower spring attachment post 211 is disposed on the lower spring mounting base 21 where the lower spring attachment point 212 is disposed, and the lower spring attachment post 211 and the lower spring attachment point 212 are disposed on two sides of the limiting post 213.

Optionally, the upper end surface of the base 20 is further provided with a limiting frame mounting post 22, and a limiting frame connecting post 221 is arranged on the limiting frame mounting post 22 and used for mounting the limiting frame.

Optionally, the base 20 is further provided with a plurality of metal sheet positioning holes 23 for mounting and positioning the circuit board built in the base.

Optionally, the base 20 is further provided with four metal sheet positioning grooves 24, the metal sheet positioning grooves 24 are used for positioning the internal circuit board, and meanwhile, suspension wire through holes 241 are provided in the metal sheet positioning grooves 24 and used for the suspension wires to pass through.

Optionally, the lower end surface of the base 20 is further provided with a lower metal block mounting groove 25 for mounting a lower metal block located at the bottom end of the suspension wire.

Optionally, the base 20 is further provided with a first magnet support block 26 for supporting the Z-axis magnets.

Optionally, the base 20 is further provided with a base limiting protrusion 261, and the base limiting protrusion 261 is used for matching with the first carrier limiting protrusion to perform the first carrier limiting operation.

Alternatively, the base stopper protrusion 261 is provided inside the first magnet support block 26 and has a height lower than that of the first magnet support block 26.

Optionally, the base 20 is further provided with a magnet groove 27 for placing a second magnet.

Optionally, the two ends of the second magnet groove 27 are provided with installation avoiding grooves 271, which can facilitate the installation operation of the manipulator on the second magnet.

To sum up, the optical element driving device of the present invention has a wide commercial application scene, and can be widely applied to various electronic devices such as mobile phones and smart phones.

The above description is for the purpose of illustrating the preferred embodiments of the present invention and it is to be understood that various changes and modifications may be made by those skilled in the art after reading the above teaching of the present invention. Such equivalents are intended to fall within the scope of the claims appended hereto.

Claims (10)

1. A first carrier of a lens driving device, the lens driving device comprising the first carrier, a second carrier, an upper reed, a lens holder, and a base, characterized in that the first carrier comprises an upper portion and a lower portion, the upper portion and the lower portion forming a hollow structure inside to be fitted with the second carrier, wherein the upper portion is formed in a cylindrical shape and has a shape matching with the lens holder to mount the lens holder, the lower portion forming a rectangular block outside and being provided with an upper reed inner ring mounting groove on an upper surface, the upper reed inner ring mounting groove being arranged around the periphery of the upper portion.

2. The first carrier of claim 1, wherein a bottom end wall of the first carrier is provided with a first carrier spacing portion, and the first carrier spacing portion cooperates with a first base spacing portion on the base to space the first carrier.

3. The first carrier according to claim 2, wherein the lens driving device further comprises a lower spring, and the first carrier limiting part is provided with a lower spring mounting seat, and the lower spring mounting seat is connected with the lower spring.

4. The first carrier of claim 3, wherein the lower spring mounting block is provided with a lower spring attachment post that mates with a connection hole of the lower spring to connect with the lower spring.

5. The first carrier of claim 1, wherein four sides of the bottom wall of the first carrier are respectively provided with a first carrier limiting portion, and the end of each first carrier limiting portion is provided with a lower spring mounting seat.

6. The first carrier of claim 5, wherein coil terminals are provided on the outer sides of the two lower spring mounts, the coil terminals being connected to the legs of a coil provided on the first carrier.

7. The first carrier according to claim 5, wherein a first carrier position-limiting protrusion is provided on an inner side wall of a lower portion of the first carrier, and the first carrier position-limiting protrusion cooperates with a position-limiting bracket of the lens driving device to position the first carrier and prevent the first carrier from colliding with the second carrier.

8. The first carrier of claim 5, wherein the top end surface of the upper portion of the first carrier is provided with lens holder mounting posts, the lens holder mounting posts cooperating with mounting holes of a lens holder to fixedly mount the lens holder on the first carrier.

9. The first carrier of claim 8, wherein the first carrier retention bump has a length that is longer than a length of the first carrier retention portion.

10. The first carrier of claim 1, wherein the upper and lower portions of the first carrier are integrally formed.

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