CN215181141U

CN215181141U - Magnetic element mounting structure, lens driving device, imaging device, and electronic apparatus

Info

Publication number: CN215181141U
Application number: CN202121586725.5U
Authority: CN
Inventors: 袁斌; 周良; 钱宇恒
Original assignee: New Shicoh Motor Co Ltd
Current assignee: New Shicoh Motor Co Ltd
Priority date: 2021-07-13
Filing date: 2021-07-13
Publication date: 2021-12-14
Anticipated expiration: 2031-07-13

Abstract

The utility model belongs to the technical field of the motor of making a video recording, especially, relate to a magnetic element mounting structure, lens drive arrangement, camera device and electronic equipment. It has solved prior art packaging efficiency low grade technical problem. The magnetic element mounting structure comprises a shell, wherein four corners of the shell are respectively provided with a sinking platform; the two magnets respectively comprise a long straight edge and a short straight edge connected with the long straight edge; the two long straight sides are distributed oppositely and are respectively attached and fixed on the inner wall of the shell; the two short straight edges are distributed on one oblique line of the shell and are distributed oppositely, and each short straight edge is positioned at the lower inner side of the corresponding sinking platform. The utility model has the advantages that: the direct fixation is in the shell inner wall and can be convenient for the installation of magnetite fixed, has improved the packaging efficiency.

Description

Magnetic element mounting structure, lens driving device, imaging device, and electronic apparatus

Technical Field

The utility model belongs to the technical field of the motor of making a video recording, especially, relate to a magnetic element mounting structure, lens drive, camera device and electronic equipment.

Background

In the image pickup motor, focusing using a driving force of an electromagnetic coil is a conventional power. That is, the magnets and coils cooperate to generate a lorentz force to drive the focusing movement of the lens carrier.

Conventional magnets are generally long and straight blocks, and when a large driving force is required, the number of blocks of the magnets needs to be increased to satisfy the driving performance. However, since the number of magnets is basically two because of the structure thereof affected by the circuit board and the like in the closed-loop motor, it is difficult to satisfy the use requirement of a large driving force with such straight magnets.

Therefore, the inventors have designed a bending magnet to improve the driving force, which surely solves the problem of the driving force, but the conventional bending magnet is complicated in mounting and fixing manner and greatly affects the assembling efficiency.

SUMMERY OF THE UTILITY MODEL

The present invention is directed to the above problems, and provides a magnetic element mounting structure, a lens drive, an image pickup apparatus, and an electronic device that can solve the above problems.

In order to achieve the above purpose, the utility model adopts the following technical proposal:

the magnetic element mounting structure comprises a shell, wherein four corners of the shell are respectively provided with a sinking platform;

the bending magnet comprises two magnets, wherein each magnet comprises a long straight edge and a short straight edge connected with the long straight edge;

the two long straight sides are distributed oppositely and are respectively attached and fixed on the inner wall of the shell;

the two short straight edges are distributed on one oblique line of the shell and are distributed oppositely, and each short straight edge is positioned below the corresponding sinking platform;

each short straight edge and the sinking platform form a space communicating with the interior of the housing.

In the above magnetic element mounting structure, the sinking platform is a triangular sinking platform, and one end of the short straight side, which is far away from the long straight side, extends to a position below the position of 1/2-2/3 on the longest side of the triangular sinking platform.

In the magnetic element mounting structure, the shell is internally provided with the upper elastic sheet, the four outer leg parts of the upper elastic sheet are fixed on the sinking platform one by one, the two adjacent outer leg parts are connected through the outer straight edges, wherein the lower parts of the two opposite outer straight edges are respectively provided with the long straight edges, and the top surfaces of the long straight edges are abutted against the lower surfaces of the outer straight edges.

In the above magnetic element mounting structure, the outer side of each outer straight edge is connected with a plurality of outward convex parts protruding outwards, and the outward convex parts are in contact with the inner wall of the housing.

In the above magnetic element mounting structure, two ends of one long straight side are respectively provided with an outer convex part, the outer convex parts are located at two ends of the top surface of the corresponding long straight side, and the outer convex parts protrude out of the outer vertical surface of the long straight side.

The utility model discloses further provide a lens drive arrangement, it has magnetic element mounting structure.

The utility model discloses further provide a camera device, it has lens drive arrangement.

The utility model further provides an electronic equipment, it has camera device.

Compared with the prior art, the utility model has the advantages of:

the direct fixation is in the shell inner wall and can be convenient for the installation of magnetite fixed, has improved the packaging efficiency.

The number of accessories is small, and the manufacturing cost is greatly reduced.

The magnetic force can be enhanced to meet the use requirement of large driving force.

Drawings

Fig. 1 is a schematic view of the three-dimensional structure of the bent magnet and the housing according to the present invention.

Fig. 2 is a schematic diagram of the exploded structure of fig. 1.

Fig. 3 is a schematic top view of the lens driving device according to the present invention.

Fig. 4 is a schematic sectional view taken along line a-a in fig. 3.

Fig. 5 is a schematic sectional view taken along line B-B in fig. 3.

Fig. 6 is a schematic perspective view of a lens driving device according to the present invention.

Fig. 7 is a schematic diagram of a third structure according to the present invention.

Fig. 8 is a schematic structural diagram of the fourth embodiment of the present invention.

In the figure, a shell 1, a sinking platform 10, a bent magnet 2, a long straight edge 20, a short straight edge 21, an upper spring piece 3, an outer leg part 30, an outer straight edge 31, an outer convex part 32 and a straight magnet 4.

Detailed Description

The following are specific embodiments of the present invention and the accompanying drawings are used to further describe the technical solution of the present invention, but the present invention is not limited to these embodiments.

Example one

As shown in fig. 1 and 2, the magnetic element mounting structure includes a housing 1, four corners of the housing 1 are respectively provided with a sunken platform 10; the purpose of the sinker 10 is to make the upper spring plate and the inner top surface of the housing have a height difference along the axial direction of the optical axis, that is, to make the upper spring plate have a movement space of elastic deformation.

Two bent magnets 2, wherein each bent magnet 2 comprises a long straight edge 20 and a short straight edge 21 connected with the long straight edge 20; the short straight side 21 is connected to one end of the long straight side 20.

The end face of the long straight edge 20 far away from the short straight edge 21 is a first end plane, the end face of the short straight edge 21 far away from the long straight edge 20 is a second end plane, and the first end plane and the second end plane are distributed in an acute included angle mode to prevent installation interference.

The two long straight edges 20 are distributed oppositely and are respectively attached and fixed on the inner wall of the shell 1; the fixing mode adopts glue connection.

The two short straight sides 21 are distributed on one of the oblique lines of the housing 1 and are distributed oppositely, and each short straight side 21 is located below the corresponding sinking platform 10.

The design of the short straight edge 21 can further enhance the magnetic force to further increase the magnetic driving force. Each short straight edge 21 and the sinking platform 10 form a space communicated with the inside of the shell 1, the space is used for blocking glue, the outer foot part of the upper elastic sheet is connected with the sinking platform 10 through the glue, and the short straight edges 21 can block the glue from flowing to the inside of the shell and have certain blocking effect.

Preferably, the sinking platform 10 is a triangular sinking platform, and one end of the short straight edge 21 away from the long straight edge 20 extends to a position below the position of the longest side 1/2-2/3 of the triangular sinking platform. The magnetic driving force is maximally lifted in the most reasonable space.

Next, an upper spring plate 3 is arranged in the housing 1, four outer leg portions 30 of the upper spring plate 3 are fixed to the sinking platform 10 one by one, two adjacent outer leg portions 30 are connected by an outer straight edge 31, wherein a long straight edge 20 is respectively arranged below two opposite outer straight edges 31, and the top surface of the long straight edge 20 is abutted against the lower surface of the outer straight edge 31. The short straight edge 21 conforms to the lower surface of the corresponding outer foot portion 30.

That is, the top surface of the magnet is conformed to the lower surface of the long straight edge 20 to restrain the position of the magnet, thereby further improving the assembling efficiency.

A plurality of outwardly protruding protrusions 32 are connected to the outer side of each outer straight edge 31, and the protrusions 32 contact the inner wall of the housing 1. The design of the outer convex part 32 can enable the upper elastic sheet 3 to be self-positioned in the upper elastic sheet 3. The two ends of one long straight edge 20 are respectively provided with an outer convex part 32, the outer convex parts 32 are positioned at the two ends of the top surface of the corresponding long straight edge 20, and the outer convex parts 32 are protruded out of the outer vertical surface of the long straight edge 20. The position fixing accuracy of the upper elastic sheet is ensured.

In the present embodiment

Fixing the four outer feet 30 of the upper elastic sheet to the sinking platform 10 one by one;

then fixing the long straight edge 20 of the bent magnet 2 on the corresponding inner wall surface of the shell;

and the short straight side 21 connected to the long straight side 20 extends to the lower inner side of the corresponding sink 10.

The design can facilitate the installation and fixation of the magnets, and can enhance the magnetic force to meet the use requirement of large driving force.

Of course, as shown in fig. 4 and 5, the straight magnets 4 may be provided on the other two opposite inner walls of the housing to further increase the driving force.

The fixing manner of the bar magnets 4 is the same as the fixing manner of the long straight edge 20 described above.

Example two

Based on the first embodiment, as shown in fig. 3 and 6, the present embodiment provides a lens driving device having the magnetic element mounting structure described in the first embodiment. The lens driving device further comprises a base and an outer shell, the carrier is arranged in a cavity formed by the base and the outer shell, the carrier is suspended in the cavity through an upper elastic sheet and a lower elastic sheet, and an electromagnetic driving mechanism is arranged between the outer shell and the carrier to drive the carrier to move axially on an optical axis so as to achieve the aim of focusing.

The electromagnetic driving mechanism comprises a plurality of driving magnets and side winding coils matched with the driving magnets, and the driving magnets and the side winding coils generate Lorentz force to drive the carrier to move along the optical axis.

EXAMPLE III

Based on the second embodiment, as shown in fig. 7, this embodiment provides an image pickup apparatus having the lens driving apparatus of the second embodiment, that is, driving the lens to move in the axial direction of the optical axis. Such as a module with a lens, etc.

Example four

Based on the third embodiment, as shown in fig. 8, the present embodiment provides an electronic apparatus having the image pickup device described in the third embodiment. For example, electronic devices such as mobile phones and notebook computers.

The specific embodiments described herein are merely illustrative of the spirit of the invention. Various modifications, additions and substitutions for the specific embodiments described herein may be made by those skilled in the art without departing from the spirit of the invention or exceeding the scope of the invention as defined in the accompanying claims.

Claims

1. A magnetic element mounting structure comprising

The device comprises a shell (1), wherein four corners of the shell (1) are respectively provided with a sinking platform (10);

two bent magnets (2), wherein each bent magnet (2) comprises a long straight edge (20) and a short straight edge (21) connected with the long straight edge (20); it is characterized in that the preparation method is characterized in that,

the two long straight edges (20) are distributed oppositely and are respectively attached and fixed on the inner wall of the shell (1);

the two short straight edges (21) are distributed on one oblique line of the shell (1) and are distributed oppositely, and each short straight edge (21) is positioned below the corresponding sinking platform (10);

each short straight edge (21) and the sink (10) form a space communicating with the inside of the housing (1).

2. The magnetic element mounting structure of claim 1, wherein the platform (10) is a triangular platform, and the end of the short straight side (21) away from the long straight side (20) extends below the position of the longest side 1/2-2/3 of the triangular platform.

3. The magnetic element mounting structure according to claim 1, wherein the housing (1) is provided with an upper spring (3), four outer leg portions (30) of the upper spring (3) are fixed to the sinking platform (10) one by one, two adjacent outer leg portions (30) are connected by an outer straight edge (31), wherein a long straight edge (20) is respectively arranged below two opposite outer straight edges (31), and the top surface of the long straight edge (20) is abutted against the lower surface of the outer straight edge (31).

4. A magnetic element mounting structure according to claim 3, wherein a plurality of outwardly protruding projections (32) are connected to the outer side of each outer straight edge (31), the projections (32) being in contact with the inner wall of the housing (1).

5. The magnetic element mounting structure according to claim 4, wherein each of the two ends of one of the long straight sides (20) has an outward protrusion (32), the outward protrusions (32) are located at the two ends of the top surface of the corresponding long straight side (20) and the outward protrusions (32) protrude from the outer vertical surface of the long straight side (20).

6. A lens driving device having the magnetic member mounting structure of any one of claims 1 to 5.

7. An image pickup apparatus comprising the lens driving apparatus according to claim 6.

8. An electronic apparatus comprising the imaging device according to claim 7.