CN212391653U - Lens driving motor, camera and mobile terminal - Google Patents

Abstract

The utility model provides a lens driving motor, camera and mobile terminal. A lens driving motor comprising: the shell, drive magnet group, the drive coil, lens supporter and lower cover subassembly, the shell sets up on the lower cover subassembly in order to form the accommodation space between the two, drive magnet group, the drive coil, the lens supporter all is located the accommodation space, the drive coil is two, two drive coils set up respectively on a set of relative lateral wall of lens supporter, drive magnet group be two and with two drive coil one-to-one settings, each drive magnet group all includes two magnetic stripe pieces along the axial superpose of lens supporter, and the magnetic pole of two magnetic stripe pieces of same drive magnet group is different, the magnetic pole that two drive magnet groups are in two magnetic stripe pieces of same height is different. The utility model provides an among the prior art motor thrust little, the complicated problem of technology.

Description

Lens driving motor, camera and mobile terminal

Technical Field

The utility model relates to a camera technical field particularly, relates to a lens driving motor, camera and mobile terminal.

Background

In the prior art, the driving magnet group opposite to the lateral annular coil is often set to be multi-polar to be magnetized, so that the driving thrust generated by the interaction between the magnet and the driving coil arm part after the magnet is electrified is always kept in the same direction. However, due to the limitation of the magnetizing technology, a part of nonmagnetic regions are often arranged inside the magnet adopting multi-pole magnetization. The existence of the nonmagnetic region can lose the magnetic field saturation required by the magnet, so that the magnetic field intensity of the magnet cannot be fully exerted.

Therefore, the problems of motor thrust pin and complex process exist in the prior art.

SUMMERY OF THE UTILITY MODEL

A primary object of the present invention is to provide a lens driving motor, a camera and a mobile terminal, which solve the problems of the prior art, such as small motor thrust and complex process.

In order to achieve the above object, according to an aspect of the present invention, there is provided a lens driving motor including: the shell, drive magnet group, the drive coil, lens supporter and lower cover subassembly, the shell sets up on the lower cover subassembly in order to form the accommodation space between the two, drive magnet group, the drive coil, the lens supporter all is located the accommodation space, the drive coil is two, two drive coils set up respectively on a set of relative lateral wall of lens supporter, drive magnet group be two and with two drive coil one-to-one settings, each drive magnet group all includes two magnetic stripe pieces along the axial superpose of lens supporter, and the magnetic pole of two magnetic stripe pieces of same drive magnet group is different, the magnetic pole that two drive magnet groups are in two magnetic stripe pieces of same height is different.

Furthermore, the two magnetic strip blocks of the same driving magnet group have the same shape and size; and/or the two drive magnet groups are the same size and shape.

Furthermore, the side wall of the lens support body is provided with a plurality of positioning convex parts for fixing the driving coil, the positioning convex parts are supported on the inner ring side of the driving coil, the inner side of the same driving coil is correspondingly provided with a plurality of positioning convex parts, and two adjacent positioning convex parts are arranged at intervals to form a dispensing seam.

The lens driving motor further comprises an upper spring, the upper spring is arranged between the shell and the lens supporting body, an outer ring structure and an inner ring structure of the upper spring are connected through an intermediate structure, a first dispensing plate is arranged at the joint of the intermediate structure and the inner ring structure, and the first dispensing plate is provided with a plurality of first dispensing holes; a second glue dispensing plate is further arranged on the outer peripheral side of the inner ring structure, and the second glue dispensing plate is provided with a plurality of second glue dispensing holes; the lens support body is provided with a plurality of storage grooves corresponding to the first dispensing plate and the second dispensing plate.

Furthermore, four corners of the outer ring structure are respectively provided with at least one glue line groove.

Further, the lower cover assembly includes: the lens support comprises a base, wherein a group of opposite side edges of the base are respectively provided with a first mounting wall and a second mounting wall which extend towards the lens support body, and the driving magnet group, the first mounting wall and the second mounting wall are respectively positioned on different side edges of the base; the PCB board, the PCB board is around the circumference setting of shell, and first installation wall is used for fixed PCB board, and the second installation wall is used for fixed shell, and is provided with the end foot group on the PCB board.

Further, the PCB comprises a first section, a second section and a third section which are connected in sequence, the extending directions of the first section and the third section are the same and are perpendicular to the second section, one side of the base, corresponding to the second section, is provided with a positioning notch, the second section is provided with a positioning lug matched with the positioning notch, and the end pin group is connected with one end, far away from the second section, of the third section.

Further, one side of the shell corresponding to the first installation wall is provided with an installation notch, the first installation wall is provided with at least one installation column extending towards the installation notch, and at least one part of the PCB is arranged at the installation notch and provided with an installation hole corresponding to the installation column.

Further, the lens driving motor further includes: the Hall chip is arranged on one side, facing the first mounting wall, of the PCB, and a first mounting opening is formed in the position, corresponding to the Hall chip, of the first mounting wall; the capacitor is arranged on one side, facing the first installation wall, of the PCB, and a second installation opening is formed in the position, corresponding to the capacitor, of the first installation wall.

Further, the side surface of the first installation wall and/or the second installation wall facing the shell is provided with at least one spot gluing groove.

Furthermore, the corner parts of the first installation wall and the second installation wall, which are close to the base, are provided with four limiting columns protruding towards the lens support body, the limiting columns extend towards the top of the shell, and the lens support body is provided with four limiting grooves matched with the four limiting columns.

Further, the bight department of base is provided with the joint chimb that extends towards the lens support body, the inside wall butt of shell and joint chimb.

Further, the lower cover assembly further comprises a lower spring, and the lower spring is arranged between the base and the lens support body; the lower spring comprises two sub-springs which are symmetrically arranged relative to the center of the lens support body, the two sub-springs are respectively connected with the two winding posts of the lens support body, and each sub-spring is respectively connected with two different corner parts of the base.

Furthermore, the sub-spring comprises a first connecting section and a second connecting section which are connected in sequence, three positioning columns are arranged at the corner parts of the base respectively, positioning holes matched with the positioning columns are formed in the first connecting section and the second connecting section respectively, soldering tin holes are formed in the connecting parts of the first connecting section and the second connecting section, and the soldering tin holes are sleeved on the winding columns of the lens supporting body.

Furthermore, the center of base has the installing opening, and installing opening's inside wall has the joint breach, and the lower spring is provided with and joints breach complex joint arch.

According to another aspect of the present invention, there is provided a camera including the lens driving motor described above.

According to another aspect of the present invention, a mobile terminal is provided, comprising the above camera.

Further, the mobile terminal comprises at least one of a mobile phone, an information carrying terminal and a notebook computer.

Use the technical scheme of the utility model, a lens driving motor in this application, include: the shell, drive magnet group, the drive coil, lens supporter and lower cover subassembly, the shell sets up on the lower cover subassembly in order to form the accommodation space between the two, drive magnet group, the drive coil, the lens supporter all is located the accommodation space, the drive coil is two, two drive coils set up respectively on a set of relative lateral wall of lens supporter, drive magnet group be two and with two drive coil one-to-one settings, each drive magnet group all includes two magnetic stripe pieces along the axial superpose of lens supporter, and the magnetic pole of two magnetic stripe pieces of same drive magnet group is different, the magnetic pole that two drive magnet groups are in two magnetic stripe pieces of same height is different.

When the lens driving motor with the structure is used, each driving magnet group comprises two magnetic strip blocks which are overlapped along the axial direction of the lens supporting body, and the magnetic poles of the two magnetic strip blocks are different, so that on the premise that the service performance of the driving magnet group can be ensured, compared with the multi-pole magnetizing composition in the prior art, the saturation degree of the magnet is strong, and the thrust can be increased. The two driving magnet groups are at the same height, and the magnetic poles of the two magnetic strip blocks forming the driving magnet groups are different, so that the driving effect on the lens support body can be ensured through the interaction of the two driving magnet groups and the two driving coils, and the service performance of the lens driving motor is further ensured. Meanwhile, the volume of the driving magnet group is effectively reduced, and the internal structure of the lens driving motor can be further compact.

The utility model discloses an avoid this kind of situation to take place, establish into the direct superimposed mode mutually of two upper and lower rectangular shape magnetite with lens driving motor's drive magnetite group. And the magnets are overlapped, so that a non-magnetic area is configured without the need of multi-pole magnetization. Compared with a whole multi-pole magnet, the magnetic field saturation of the same magnet occupying space can be fully exerted, and the larger magnetic field intensity can be obtained after the power is on, so that larger motor thrust can be generated.

The utility model discloses a superpose magnetite mode about the unilateral gains the effect that thrust is big simultaneously, provides a rational in infrastructure closed loop motor structure, and the assembly process is simple relatively.

Drawings

The accompanying drawings, which form a part of the present application, are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description serve to explain the invention and not to limit the invention. In the drawings:

fig. 1 shows an exploded view of a lens driving motor according to an embodiment of the present invention;

fig. 2 shows a schematic view of the lens driving motor in the present application;

fig. 3 is a schematic view showing a positional relationship between a lens support body and a driving coil of a lens driving motor in the present application;

FIG. 4 shows a schematic diagram of the upper spring of the lens driving motor in the present application;

FIG. 5 is a schematic diagram showing the positional relationship of the upper spring and the housing of the lens driving motor in the present application;

fig. 6 shows a schematic view of the structure of the lower spring of the lens driving motor in the present application;

FIG. 7 is a schematic diagram showing the positional relationship between the lower spring and the base of the lens driving motor according to the present application;

FIG. 8 is a schematic diagram showing the positional relationship among the housing, the PCB, and the base of the lens driving motor according to the present application;

FIG. 9 is a schematic diagram showing the positional relationship between the PCB and the base of the lens driving motor in the present application;

fig. 10 is a schematic view showing a structure of a base of a lens driving motor in the present application;

FIG. 11 is a schematic diagram showing the positional relationship between the base of the lens driving motor and the lens holder in the present application;

fig. 12 is a schematic diagram showing a positional relationship between the driving magnet group of the lens driving motor and the lens support body in the present application.

Wherein the figures include the following reference numerals:

10. a housing; 12. installing a notch; 20. a driving magnet group; 30. a drive coil; 40. a lens support; 41. a positioning projection; 42. glue dispensing seams; 43. a storage tank; 44. a limiting groove; 45. a winding post; 50. a lower cover assembly; 51. a base; 511. a first mounting wall; 5111. mounting a column; 5112. a first mounting opening; 512. a second mounting wall; 513. positioning the notch; 514. clamping the convex edge; 515. a positioning column; 516. an installation opening; 517. clamping the notch; 52. a PCB board; 521. a first stage; 522. a second stage; 5221. positioning the bump; 523. a third stage; 524. mounting holes; 53. a terminal pin group; 54. dispensing a glue groove; 55. a limiting column; 56. a lower spring; 561. a sub-spring; 5611. a first connection section; 5612. a second connection section; 5613. positioning holes; 5614. soldering tin holes; 562. clamping the bulges; 60. an upper spring; 61. an outer ring structure; 611. a glue line groove; 62. an inner ring structure; 63. an intermediate structure; 631. a first dispensing plate; 632. a second dispensing plate; 70. and a Hall chip.

Detailed Description

It should be noted that the embodiments and features of the embodiments in the present application may be combined with each other without conflict. The present invention will be described in detail below with reference to the accompanying drawings in conjunction with embodiments.

It is noted that, unless otherwise indicated, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this application belongs.

In the present application, where the contrary is not intended, the use of directional words such as "upper, lower, top and bottom" is generally with respect to the orientation shown in the drawings, or with respect to the component itself in the vertical, perpendicular or gravitational direction; likewise, for ease of understanding and description, "inner and outer" refer to the inner and outer relative to the profile of the components themselves, but the above directional words are not intended to limit the invention.

In order to solve the problems of small motor thrust and complex process in the prior art, the application provides a lens driving motor, a camera and a mobile terminal.

The mobile terminal in the application comprises the camera in the application. The camera in the present application includes a lens driving motor described below.

Specifically, the mobile terminal includes at least one of a mobile phone, an information carrying terminal, and a notebook computer.

It should also be noted that the camera in the present application may include a plurality of lens driving motors arranged side by side. In order to ensure the use effect of the camera, when the camera includes a plurality of lens driving motors, the end of each of the two adjacent lens driving motors that is close to each other is the end that does not include the driving magnet group 20.

As shown in fig. 1 to 12, a lens driving motor in the present application includes: the lens driving device comprises a shell 10, a driving magnet group 20, two driving coils 30, a lens supporting body 40 and a lower cover assembly 50, wherein the shell 10 is arranged on the lower cover assembly 50 to form an accommodating space between the two driving coils, the driving magnet group 20, the driving coils 30 and the lens supporting body 40 are all positioned in the accommodating space, the two driving coils 30 are respectively arranged on one group of opposite side walls of the lens supporting body 40, the driving magnet groups 20 are two groups in total, the 2 groups of driving magnet groups are arranged in one-to-one correspondence with the two driving coils 30, each driving magnet group 20 comprises two independent long magnetic strip blocks which are overlapped along the axial direction of the lens supporting body 40, the two independent magnetic stripe blocks forming the driving magnet group 20 are arranged with opposite magnetic poles, the two driving magnet groups 20 are at the same height and are oppositely arranged at two sides of the lens support body 40, and the magnetic poles between the magnetic stripe blocks of the two driving magnet groups 20 are opposite in pairs.

When the lens driving motor having the above-described structure is used, since each driving magnet group 20 includes two magnetic stripe blocks stacked in the axial direction of the lens support body 40 and the magnetic poles of the two magnetic stripe blocks are different, the saturation of the magnet is strong and the thrust can be increased as compared with the composition of multi-pole magnetization in the related art on the premise that the use performance of the driving magnet group 20 can be ensured. The two driving magnet groups 20 are at the same height, and the magnetic poles of the two magnetic stripe blocks forming the driving magnet groups 20 are different, so that the driving effect on the lens support body 40 can be ensured through the interaction of the two driving magnet groups 20 and the two driving coils 30, and the service performance of the lens driving motor is further ensured. Meanwhile, the volume of the driving magnet group 20 is effectively reduced, and the internal structure of the lens driving motor can be further ensured to be more compact.

In one embodiment of the present application, the two magnetic stripe blocks of the same drive magnet group 20 have the same shape and size, and the two drive magnet groups 20 have the same shape and size. With the arrangement, in the process that the two driving magnet groups 20 and the two driving coils 30 mutually induce to drive the lens support body 40 to move, the lens support body 40 can be ensured to be stressed more uniformly, so that the lens support body 40 can be ensured to move more stably, and the lens support body 40 can be ensured not to deflect in the moving process.

As shown in fig. 3, the side wall of the lens support body 40 has a plurality of positioning protrusions 41 for fixing the driving coil 30, the positioning protrusions 41 are supported on the inner ring side of the driving coil 30, the plurality of positioning protrusions 41 are correspondingly arranged on the inner side of the same driving coil 30, and a dispensing seam 42 is formed between two adjacent positioning protrusions 41 at intervals. The driving coil 30 in the present application is formed by winding a wire on the positioning protrusion 41 for a plurality of times or the driving coil 30 is sleeved on the positioning protrusion 41 after the manufacturing is completed. Therefore, the arrangement can not only facilitate the manufacture of the driving coil 30, but also play a certain role in positioning the wound driving coil 30. And by providing the dispensing slits 42, the driving coil 30 can be further fixed by dispensing to the dispensing slits 42.

As shown in fig. 1, 4 and 5, the lens driving motor further includes an upper spring 60, the upper spring 60 is disposed between the housing 10 and the lens support body 40, and an outer ring structure 61 and an inner ring structure 62 of the upper spring 60 are connected by an intermediate structure 63, wherein a first dispensing plate 631 is disposed at a connection position of the intermediate structure 63 and the inner ring structure 62, and the first dispensing plate 631 has a plurality of first dispensing holes; a second dispensing plate 632 is further arranged on the outer peripheral side of the inner ring structure 62, and the second dispensing plate 632 is provided with a plurality of second dispensing holes; the lens support 40 is provided with a plurality of storage grooves 43 corresponding to the first dispensing plate 631 and the second dispensing plate 632. In this way, the first dispensing plate 631 and the second dispensing plate 632 can be fixed by dispensing into the storage groove 43, thereby effectively securing stable connection between the upper spring 60 and the lens support body 40.

Preferably, as shown in fig. 1, 4 and 5, at least one glue line groove 611 is respectively disposed at four corners of the outer ring structure 61. Through setting up like this, through gluing to glue line groove 611 point, can guarantee effectively that the stability of being connected between shell 10 and the upper spring 60.

As shown in fig. 1, 8 and 9, the lower cover assembly 50 includes a base 51 and a PCB board 52. A set of opposite sides of the base 51 are respectively provided with a first mounting wall 511 and a second mounting wall 512 extending toward the lens support 40, and the driving magnet set 20, the first mounting wall 511, and the second mounting wall 512 are respectively located at different sides of the base 51; the PCB 52 is disposed around the circumference of the housing 10, the first mounting wall 511 is used for fixing the PCB 52, the second mounting wall 512 is used for fixing the housing 10, and the terminal pin group 53 is disposed on the PCB 52. In one embodiment of the present application, the base 51 has a quadrilateral shape, and the first mounting wall 511, the second mounting wall 512 and the two driving magnet groups 20 are respectively located on four sides of the base 51.

It should be noted that, in one embodiment of the present application, the PCB board 52 is disposed outside the housing 10. And the end of the PCB board 52 having the terminal pin group 53 is disposed corresponding to the second mounting wall 512.

Preferably, the PCB 52 includes a first section 521, a second section 522 and a third section 523 connected in sequence, the first section 521 and the third section 523 extend in the same direction and are perpendicular to the second section 522, one side of the base 51 corresponding to the second section 522 has a positioning notch 513, the second section 522 is provided with a positioning protrusion 5221 matched with the positioning notch 513, and the terminal pin group 53 is connected with one end of the third section 523 far from the second section 522. The installation difficulty of the PCB 52 can be effectively reduced by arranging the positioning notch 513 and the positioning lug 5221, and the PCB 52 can be limited, so that the whole structure of the whole lens driving motor is more stable, and the use performance of the lens driving motor is ensured.

Also, in one embodiment of the present application, the first section 521 corresponds to the first mounting wall 511, and the third section 523 corresponds to the second mounting wall 512.

Specifically, one side of the housing 10 corresponding to the first mounting wall 511 has a mounting notch 12, the first mounting wall 511 has at least one mounting post 5111 extending toward the mounting notch 12, and at least a portion of the PCB 52 is disposed at the mounting notch 12 and has a mounting hole 524 disposed corresponding to the mounting post 5111. Through setting up like this, can guarantee at least partly and installation breach 12 joint of PCB board 52 to realize fixing PCB board 52 through the cooperation of erection column 5111 with mounting hole 524, thereby when guaranteeing that the structure of lens support body 40 can be compacter, can also guarantee that PCB board 52 can not appear becoming flexible, thereby guarantee that the inside electric connection of lens support body 40 is more stable and the overall structure of lens support body 40 is more stable.

As shown in fig. 1, the lens driving motor further includes a hall chip 70 and a capacitor. The hall chip 70 is arranged on one side of the PCB 52 facing the first mounting wall 511, and a first mounting opening 5112 is arranged on the first mounting wall 511 at a position corresponding to the hall chip 70; the capacitor is disposed on a side of the PCB 52 facing the first mounting wall 511, and a second mounting opening is disposed on the first mounting wall 511 at a position corresponding to the capacitor. In addition, the lens driving motor further includes a hall magnet, the lens support 40 is provided with an accommodating recess, and only one side of the hall magnet facing the hall element is exposed to an opening of the accommodating recess. With this arrangement, the hall magnet can be effectively prevented from falling off from the lens support body 40 while the service performance of the hall magnet is ensured.

Optionally, a side surface of the first mounting wall 511 facing the housing 10 has at least one spot gluing groove 54.

Optionally, a side surface of the second mounting wall 512 facing the housing 10 has at least one glue dispensing groove 54.

The glue dispensing groove 54 can effectively ensure the stability of connection between the shell 10 and the base 51, thereby effectively preventing the shell 10 from falling off.

Specifically, four limiting posts 55 protruding toward the lens support body 40 are disposed on the first mounting wall 511 and the second mounting wall 512 at corners close to the base 51, the limiting posts 55 extend toward the top of the housing 10, and the lens support body 40 has four limiting grooves 44 engaged with the four limiting posts 55. The lens support 40 can be effectively rotated and limited by the matching of the four limiting columns 55 and the four limiting grooves 44, so that the lens support 40 is prevented from being rotated and deviated in the X-Y circumferential direction to cause the out-of-focus problem when moving in the optical axis direction (i.e. the Z-axis direction).

Specifically, the corner of the base 51 is provided with a clamping flange 514 extending toward the lens support 40, and the housing 10 abuts against the inner side wall of the clamping flange 514. Through setting up like this, can play limiting displacement to the bight department of shell 10 to can prevent to appear relative displacement between shell 10 and the base 51, and then guarantee lens driving motor's performance effectively.

Specifically, the lower cover assembly 50 further includes a lower spring 56, the lower spring 56 being disposed between the base 51 and the lens support 40; the lower spring 56 includes two sub-springs 561 disposed symmetrically about the center of the lens support 40, the two sub-springs 561 are connected to the two winding posts 45 of the lens support 40, respectively, and each sub-spring 561 is connected to two different corners of the base 51, respectively. The sub-spring 561 includes a first connection section 5611 and a second connection section 5612 connected in sequence, three positioning posts 515 are respectively disposed at corners of the base 51, positioning holes 5613 matched with the positioning posts 515 are respectively disposed at the first connection section 5611 and the second connection section 5612, solder holes 5614 are disposed at a connection portion of the first connection section 5611 and the second connection section 5612, and the solder holes 5614 are sleeved on the winding posts 45 of the lens support 40. By providing the solder hole 5614, the solder hole 5614 is fitted over the winding post 45, and after the solder paste is spot-welded, the driving coil 30 and the lower spring 56 can be electrically connected.

In one embodiment of the present application, three positioning holes 5613 are respectively disposed on the first connecting section 5611 and the second connecting section 5612.

When current is applied to the driving coil 30, electromagnetic force is generated between the coil and the driving magnet assembly 20, and according to the fleming's left-hand rule, the lens support 40 is driven to move linearly along the optical axis of the lens by the action of the electromagnetic force, and the lens support 40 finally stays at a position where the resultant force of the electromagnetic force generated between the driving coil 30 and the driving magnet assembly 20 and the elastic force of the upper spring 60 and the lower spring 56 reaches a balanced state. By applying a predetermined current to the driving coil 30, the lens support 40 can be controlled to move to a target position, thereby achieving the purpose of focusing.

Optionally, the base 51 has a mounting opening 516 in the center, the inner side wall of the mounting opening 516 has a clamping notch 517, and the lower spring 56 is provided with a clamping protrusion 562 which is matched with the clamping notch 517.

From the above description, it can be seen that the above-mentioned embodiments of the present invention achieve the following technical effects:

1. the problems of small motor thrust and complex process in the prior art are effectively solved;

2. the structure is compact, and the performance is stable;

3. under the precondition of satisfying the set thrust, the motor can be further miniaturized and modified.

It is obvious that the above described embodiments are only some of the embodiments of the present invention, and not all of them. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts shall belong to the protection scope of the present invention.

It is noted that the terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of example embodiments according to the present application. As used herein, the singular is intended to include the plural unless the context clearly dictates otherwise, and it should be further understood that the terms "comprises" and/or "comprising," when used in this specification, specify the presence of features, steps, operations, devices, components, and/or combinations thereof.

It should be noted that the terms "first," "second," and the like in the description and claims of this application and in the drawings described above are used for distinguishing between similar elements and not necessarily for describing a particular sequential or chronological order. It is to be understood that the data so used is interchangeable under appropriate circumstances such that the embodiments of the application described herein are capable of operation in sequences other than those illustrated or described herein.

The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims (18)

1. A lens driving motor, comprising: the lens driving device comprises a shell (10), a driving magnet group (20), driving coils (30), a lens supporting body (40) and a lower cover assembly (50), wherein the shell (10) is arranged on the lower cover assembly (50) to form an accommodating space between the two driving magnet groups, the driving magnet group (20), the driving coils (30) and the lens supporting body (40) are all located in the accommodating space, the number of the driving coils (30) is two, the two driving coils (30) are respectively arranged on one set of opposite side walls of the lens supporting body (40), the number of the driving magnet groups (20) is two, the two driving coils (30) are arranged in one-to-one correspondence, each driving magnet group (20) comprises two magnetic strip blocks which are overlapped along the axial direction of the lens supporting body (40), and the magnetic poles of the two magnetic strip blocks of the same driving magnet group (20) are different, the two magnetic pole blocks of the two driving magnet groups (20) at the same height have different magnetic poles.

2. The lens driving motor of claim 1,

the two magnetic strip blocks of the same driving magnet group (20) are the same in shape and size; and/or

The two drive magnet groups (20) are identical in shape and size.

3. The lens driving motor according to claim 1, wherein the side wall of the lens support body (40) has a plurality of positioning protrusions (41) for fixing the driving coil (30), the positioning protrusions (41) are supported on the inner ring side of the driving coil (30), the plurality of positioning protrusions (41) are correspondingly arranged on the inner side of the same driving coil (30), and a spot-gluing seam (42) is formed between two adjacent positioning protrusions (41).

4. Lens driving motor according to claim 1, further comprising an upper spring (60), the upper spring (60) being arranged between the housing (10) and the lens support body (40), an outer collar structure (61) and an inner collar structure (62) of the upper spring (60) being connected by an intermediate structure (63), wherein,

a first dispensing plate (631) is arranged at the joint of the middle structure (63) and the inner ring structure (62), and the first dispensing plate (631) is provided with a plurality of first dispensing holes;

a second glue dispensing plate (632) is further arranged on the outer peripheral side of the inner ring structure (62), and the second glue dispensing plate (632) is provided with a plurality of second glue dispensing holes;

the lens support body (40) is provided with a plurality of storage grooves (43) corresponding to the first dispensing plate (631) and the second dispensing plate (632).

5. Lens driving motor according to claim 4, characterized in that at least one glue line groove (611) is provided at each of the four corners of the outer ring structure (61).

6. The lens driving motor of claim 1, wherein the lower cover assembly (50) comprises:

a base (51), wherein a set of opposite sides of the base (51) are respectively provided with a first mounting wall (511) and a second mounting wall (512) extending towards the lens support body (40), and the driving magnet set (20), the first mounting wall (511) and the second mounting wall (512) are respectively positioned on different sides of the base (51);

the PCB board (52), PCB board (52) is around the circumference setting of shell (10), first installation wall (511) are used for fixing PCB board (52), second installation wall (512) are used for fixing shell (10), just be provided with on PCB board (52) end foot group (53).

7. The lens driving motor of claim 6, wherein the PCB (52) comprises a first section (521), a second section (522) and a third section (523) which are connected in sequence, the first section (521) and the third section (523) extend in the same direction and are perpendicular to the second section (522), one side of the base (51) corresponding to the second section (522) is provided with a positioning notch (513), the second section (522) is provided with a positioning bump (5221) matched with the positioning notch (513), and the end pin group (53) is connected with one end of the third section (523) far away from the second section (522).

8. The lens driving motor of claim 6, wherein a side of the housing (10) corresponding to the first mounting wall (511) has a mounting notch (12), the first mounting wall (511) has at least one mounting post (5111) extending toward the mounting notch (12), at least a portion of the PCB (52) is disposed at the mounting notch (12) and has a mounting hole (524) disposed corresponding to the mounting post (5111).

9. The lens driving motor of claim 8, further comprising:

the Hall chip (70) is arranged on one side, facing the first mounting wall (511), of the PCB (52), and a first mounting opening (5112) is formed in the position, corresponding to the Hall chip (70), of the first mounting wall (511);

the capacitor is arranged on one side, facing the first installation wall (511), of the PCB (52), and a second installation opening is formed in the position, corresponding to the capacitor, of the first installation wall (511).

10. Lens driving motor according to claim 6, characterized in that a side surface of the first mounting wall (511) and/or the second mounting wall (512) facing the housing (10) has at least one glue dispensing slot (54).

11. The lens driving motor according to claim 10, wherein four position-limiting posts (55) protruding toward the lens support body (40) are provided on each of the first and second mounting walls (511, 512) at corners near the base (51), and the position-limiting posts (55) extend toward the top of the housing (10), and the lens support body (40) has four position-limiting grooves (44) engaged with the four position-limiting posts (55).

12. Lens driving motor according to claim 6, characterized in that a clamping flange (514) extending towards the lens support body (40) is provided at a corner of the base (51), the housing (10) abutting against an inner side wall of the clamping flange (514).

13. The lens driving motor according to claim 6, wherein the lower cover assembly (50) further comprises a lower spring (56), the lower spring (56) being disposed between the base (51) and the lens support body (40); the lower spring (56) comprises two sub-springs (561) which are arranged in a central symmetry mode relative to the lens support body (40), the two sub-springs (561) are respectively connected with the two winding posts (45) of the lens support body (40), and each sub-spring (561) is respectively connected with two different corners of the base (51).

14. The lens driving motor of claim 13, wherein the sub-spring (561) comprises a first connecting section (5611) and a second connecting section (5612) connected in sequence, three positioning posts (515) are respectively disposed at corners of the base (51), positioning holes (5613) matched with the positioning posts (515) are respectively disposed at the first connecting section (5611) and the second connecting section (5612), a solder hole (5614) is disposed at a joint of the first connecting section (5611) and the second connecting section (5612), and the solder hole (5614) is sleeved on the winding post (45) of the lens support body (40).

15. The lens driving motor of claim 13, wherein the base (51) has a mounting opening (516) at the center thereof, the inner sidewall of the mounting opening (516) has a clamping notch (517), and the lower spring (56) is provided with a clamping protrusion (562) cooperating with the clamping notch (517).

16. A camera characterized by comprising the lens driving motor of any one of claims 1 to 15.

17. A mobile terminal characterized by comprising the camera of claim 16.

18. The mobile terminal of claim 17, wherein the mobile terminal comprises at least one of a mobile phone, an information carrying terminal, and a notebook computer.

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