CN211908627U

CN211908627U - Structure connected with lower spring, voice coil motor, photographic equipment and electronic product

Info

Publication number: CN211908627U
Application number: CN202020647870.9U
Authority: CN
Inventors: 潘寅
Original assignee: New Shicoh Technology Co Ltd
Current assignee: New Shicoh Motor Co Ltd; New Shicoh Technology Co Ltd
Priority date: 2020-04-26
Filing date: 2020-04-26
Publication date: 2020-11-10
Anticipated expiration: 2030-04-26

Abstract

The utility model discloses a spring coupling's structure, voice coil motor, photographic equipment, electronic product down, its technical scheme main points are: the utility model provides a structure of spring coupling down, includes base, carrier, lower spring, the carrier lateral wall is provided with the coil, the carrier lateral wall is provided with the bulge loop, four corner positions of base are provided with the boss, lower spring include with the interior connecting portion of carrier connection, with the outer joint portion that the base is connected, set up in cantilever between interior connecting portion and the outer joint portion, interior connecting portion are fixed in the bulge loop deviates from the surface of base, outer joint portion is fixed in the boss terminal surface, the bulge loop upper surface with the boss terminal surface flushes. The utility model discloses reach and reduce the equipment technology step, reduce cost, and improve the voice coil motor qualification rate of equipment.

Description

Structure connected with lower spring, voice coil motor, photographic equipment and electronic product

Technical Field

The utility model relates to a camera device field especially involves spring coupling's structure, voice coil motor, photographic equipment, electronic product down.

Background

With the progress of science and technology, the application of camera modules is more and more extensive, and at present, except cameras, mobile phones, computers and other electronic equipment are equipped with camera modules, so that people can take pictures at any time and any place conveniently, and convenience and fun are brought to the life of people. The camera module comprises a Fixed Focus (FF) camera module and an Automatic Focusing (AF) camera module, and in the AF camera module, a lens can be driven to move by a lens driving device (AF motor) so as to realize focusing.

The conventional AF motor mainly includes a base, a carrier, a housing, a magnet, a coil, an upper spring disposed between the carrier and the housing, and a lower spring disposed between the carrier and the base.

When the carrier, the base and the lower spring are assembled, the carrier needs to be inverted firstly, the lower end face of the carrier faces upwards, then one end of the lower spring is fixed on the corresponding lower end face of the carrier, the carrier and the lower spring are turned over, and the other end of the lower spring is fixed on the base. During assembly, the carrier needs to be turned over to assemble the lower spring, so that the process steps are multiple, the related assembling jig is complex, and the lower spring is easily damaged in the turning process, so that the qualified rate of the AF motor finished product is influenced.

Therefore, there is a need for an improved structure that overcomes the above-mentioned deficiencies.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a spring coupling's structure, voice coil motor, photographic equipment, electronic product down reaches and reduces the equipment technology step, reduce cost, and improves the voice coil motor qualification rate of equipment.

The above technical purpose of the utility model is realized through following technical scheme: the utility model provides a structure of spring coupling down, includes base, carrier, lower spring, the carrier lateral wall is provided with the coil, the carrier lateral wall is provided with the bulge loop, four corner positions of base are provided with the boss, lower spring include with the interior connecting portion of carrier connection, with the outer joint portion that the base is connected, set up in cantilever between interior connecting portion and the outer joint portion, interior connecting portion are fixed in the bulge loop deviates from the surface of base, outer joint portion is fixed in the boss terminal surface, the bulge loop upper surface with the boss terminal surface flushes.

The utility model discloses a further set up to: the cross section of the boss is in an isosceles right triangle shape, and four corner positions of the carrier are provided with chamfer surfaces corresponding to the boss.

The utility model discloses a further set up to: the lower spring is divided into a lower spring A and a lower spring B which are symmetrically arranged, the structures of the lower spring A and the lower spring B are consistent, two ends of the inner connecting part are respectively provided with an inclined connecting part corresponding to the chamfer surface, the inner connecting part is connected with the inclined connecting parts at the two ends to form a U shape, two cantilevers and two outer connecting parts of the lower spring A are respectively connected to the inclined connecting parts, and the outer connecting parts are arranged in a right-angled triangle shape; a first positioning assembly is arranged between each inclined connecting part and the convex ring, and a second positioning assembly is arranged between each outer connecting part and the boss;

the first positioning assembly comprises two first positioning holes formed in the inclined connecting part and two first positioning columns integrally formed on the upper surface of the convex ring and penetrating through the first positioning holes, and the upper end surfaces of the first positioning columns are flush with or higher than the upper surface of the inclined connecting part;

the second positioning assembly comprises two second positioning holes formed in the outer connecting portion and two second positioning columns integrally formed on the upper end faces of the bosses and penetrating through the second positioning holes, and the upper end faces of the second positioning columns are flush with or higher than the upper surface of the outer connecting portion.

The utility model discloses a further set up to: the lower surface of the convex ring is flush with the lower surface of the carrier, and the lower surface of the carrier is abutted to the upper surface of the base.

The utility model discloses a further set up to: the upper surface area of the outer connecting part is smaller than that of the boss, and a certain distance is reserved between the side wall of the outer connecting part and the corresponding side wall of the boss.

The utility model discloses a further set up to: the inner connecting part upper surface is located below the coil.

The utility model discloses a further set up to: a voice coil motor has the structure of the lower spring connection, an upper spring is connected to a carrier, and the upper spring is located above the lower spring.

The utility model discloses a further set up to: a photographic apparatus is characterized by having the structure of the lower spring connection.

The utility model discloses a further set up to: an electronic product is characterized by having the structure of the lower spring connection.

To sum up, the utility model discloses following beneficial effect has:

when assembling the carrier, the base and the lower spring, the lower spring A and the lower spring B are symmetrically arranged on the upper surface of a convex ring of the carrier, and are fixed by glue dispensing, then the carrier is placed on the base, the central lines of the carrier and the base are positioned at the same straight line position, the outer connecting parts of the lower spring A and the lower spring B are arranged on the upper end surfaces of corresponding bosses, and are fixed by glue dispensing, so that the carrier, the base and the lower spring are assembled, and the problem that the carrier is turned over during assembling is avoided; simultaneously because the AF motor after the equipment is for putting the motor in the non-, promptly the non-during operation, carrier butt and base inner wall, consequently when placing the carrier in the base, the bulge loop upper surface flushes with boss up end, and the convenient spring is installed down to when avoiding the spring under the installation is fixed, the distortion condition appears in the lower spring cantilever.

The position of the inner connecting part relative to the carrier is effectively positioned through the two oblique connecting parts, and the relative movement of the inner connecting part and the carrier can be avoided.

When the inner connecting part is arranged on the convex ring, the first positioning hole is sleeved on the first positioning column, so that the relative movement of the inner connecting part can be effectively positioned, and the mounting precision of the lower spring and the carrier is improved; when the outer connecting portion is installed on the boss, the second positioning column is sleeved with the second positioning hole, the position of the outer connecting portion is located, and installation accuracy of the lower spring and the base is improved.

Drawings

FIG. 1 is a schematic structural view of example 1;

FIG. 2 is a sectional view of embodiment 1;

FIG. 3 is an exploded view of example 1;

fig. 4 is a schematic view of the lower spring.

The corresponding part names indicated by the numbers in the figures: 1. a base; 2. a carrier; 3. a coil; 4. a convex ring; 5. a boss; 6. a lower spring; 7. a lower spring A; 8. a lower spring B; 9. an inner connection portion; 10. an outer connecting portion; 11. a cantilever; 12. an oblique connecting part; 13. a first positioning hole; 14. a first positioning post; 15. a second positioning hole; 16. and a second positioning column.

Detailed Description

In order to make the technical means, creation features, achievement purposes and functions of the present invention easy to understand, the present invention will be further described with reference to the drawings and the specific embodiments.

Embodiment 1, as shown in fig. 1 to 4, the utility model provides a structure of spring coupling down, including base 1, carrier 2, lower spring 6, the 2 lateral walls of carrier are provided with coil 3, are provided with bulge loop 4 at the 2 lateral walls of carrier, and four corner positions of base 1 are provided with boss 5. The cross section of the boss 5 is in the shape of an isosceles right triangle, four corner positions of the carrier 2 are provided with chamfer surfaces corresponding to the boss 5, the side wall of the convex ring 4 is parallel to the side wall of the carrier 2, and the upper surface of the convex ring 4 is lower than the lower surface of the coil 3. In the embodiment, the lower surface of the carrier 2 abuts against the upper surface of the base 1, and the lower surface of the convex ring 4 is flush with the lower surface of the carrier 2, that is, the AF motor processed in the embodiment is a non-centrally-mounted motor.

The lower spring 6 includes an inner connection portion 9 connected to the carrier 2, an outer connection portion 10 connected to the base 1, and a cantilever 11 disposed between the inner connection portion 9 and the outer connection portion 10. In the present embodiment, the lower spring 6 is divided into two lower springs a7 and B8, which are symmetrically arranged, the lower spring a7 and the lower spring B8 are identical in structure, the lower spring a7 and the lower spring B8 are arranged separately, and the lower spring a7 and the lower spring B8 are respectively connected to both ends of the coil 3. The lower spring A7 and the lower spring B8 each have an inner connecting portion 9, two suspension arms 11 and two outer connecting portions 10, and two ends of each suspension arm 11 are integrally formed with the outer connecting portions 10 and the inner connecting portions 9. The inner connecting part 9 of the lower spring A7 and the lower spring B8 is fixed on the upper surface of the convex ring 4, the outer connecting part 10 is fixed on the end surface of the boss 5, and the upper surface of the convex ring 4 is flush with the end surface of the boss 5; and the inner connection portion 9 is lower than the lower end surface of the coil 3 when the inner connection portion 9 is fixed to the upper surface of the collar 4.

When assembling the carrier 2, the base 1 and the lower spring 6, firstly, the lower spring A7 and the lower spring B8 are symmetrically arranged on the upper surface of the convex ring 4 of the carrier 2 and are fixed by glue dispensing, then the carrier 2 is placed on the base 1, the central lines of the carrier 2 and the base 1 are positioned at the same straight line position, the outer connecting parts 10 of the lower spring A7 and the lower spring B8 are arranged on the upper end surfaces of the corresponding bosses 5, and the carrier 2, the base 1 and the lower spring 6 are assembled and fixed by glue dispensing, so that the problem that the carrier 2 is turned over during assembly is solved; simultaneously because the AF motor after the equipment is for putting the motor in the non-, promptly non-during operation, carrier 2 butt and 1 inner wall of base, consequently when placing carrier 2 in base 1, 4 upper surfaces of bulge loop flush with 5 up end of boss, and spring 6 installs under the convenience to avoid under the installation fixed spring 6 time, the distortion condition appears in lower spring 6 cantilever 11.

In this embodiment, in order to fix the lower spring 6 to the carrier 2 and the base 1 and reduce the tolerance, the inner connecting portion 9 has two ends integrally formed with the inclined connecting portions 12 corresponding to the chamfered surfaces, the inner connecting portion 9 is connected to the inclined connecting portions 12 at the two ends to form a U-shape, and the two cantilevers 11 of the lower spring a7 and the lower spring B8 are integrally formed with the inclined connecting portions 12, respectively. In the embodiment, the outer connecting portion 10 is in the shape of an isosceles right triangle, the area of the upper surface of the outer connecting portion 10 is smaller than that of the upper surface of the boss 5, and a certain distance is left between the side wall of the outer connecting portion 10 and the corresponding side wall of the boss 5. The effective positioning of the inner connecting part 9 relative to the carrier 2 is achieved by the two oblique connecting parts 12, which prevents the inner connecting part 9 from moving relative to the carrier 2.

A first positioning assembly is arranged between each inclined connecting portion 12 and the convex ring 4, and a second positioning assembly is arranged between each outer connecting portion 10 and the boss 5. Wherein first locating component includes two first locating holes 13, two integrated into one piece in bulge loop 4 upper surface and wear to locate the first locating post 14 that corresponds first locating hole 13 of seting up in oblique connecting portion 12, and first locating post 14 up end flushes or is higher than oblique connecting portion 12 upper surface with oblique connecting portion 12 upper surface. The second positioning assembly comprises two second positioning holes 15 formed in the outer connecting portion 10 and two second positioning columns 16 integrally formed on the upper end surfaces of the bosses 5 and penetrating through the second positioning holes 15, and the upper end surfaces of the second positioning columns 16 are flush with the upper surface of the outer connecting portion 10 or higher than the upper surface of the outer connecting portion 10. When the inner connecting part 9 is installed on the convex ring 4, the first positioning hole 13 is sleeved on the first positioning column 14, so that the relative movement of the inner connecting part 9 can be effectively positioned, and the installation precision of the lower spring 6 and the carrier 2 is improved; when the external connection portion 10 is mounted on the boss 5, the second positioning hole 15 is sleeved on the second positioning column 16, so that the external connection portion 10 is positioned, and the mounting accuracy of the lower spring 6 and the base 1 is improved.

Embodiment 2 is a method for assembling the base 1, the carrier 2, and the lower spring 6 structure of embodiment 1, including the steps of, firstly, placing the lower spring 6 on the convex ring 4 of the carrier 2, so that the first positioning hole 13 is sleeved on the first positioning post 14, and simultaneously, ensuring that the lower surface of the lower spring 6 is attached to the upper surface of the convex ring 4;

step two, dispensing and fixing the inner connecting part 9 and the convex ring 4, namely dispensing and fixing the connecting position of the inner connecting part 9 and the convex ring 4 and the position of the first positioning hole 13 to keep the inner connecting part 9 and the convex ring 4 fixed;

placing the carrier 2 on the base 1, and sleeving the second positioning hole 15 on the second positioning column 16; and the outer connecting part 10 is abutted against the upper end surface of the boss 5, and the whole lower spring 6 is in a horizontal state.

And step four, dispensing and fixing the external connecting part 10 and the boss 5, so that the carrier 2, the base 1 and the lower spring 6 are fixed.

The carrier, the base and the lower spring are assembled by the method, so that the carrier can be effectively prevented from being turned over, the assembly efficiency is improved, and the process steps are reduced.

Embodiment 3 provides a voice coil motor having the structure of the lower spring coupling described in embodiment 1, wherein an upper spring is coupled to the carrier 2 and positioned above the lower spring 6.

Embodiment 4, a photographic apparatus, having the structure of the lower spring coupling described in embodiment 1.

Embodiment 5 is an electronic product having the structure of the lower spring attachment described in embodiment 1.

In this document, the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer", "vertical", "horizontal", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for the sake of clarity and convenience of description of the technical solutions, and thus, should not be construed as limiting the present invention.

As used herein, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, including not only those elements listed, but also other elements not expressly listed.

The foregoing shows and describes the general principles, essential features, and advantages of the invention. It will be understood by those skilled in the art that the present invention is not limited to the above embodiments, and that the foregoing embodiments and descriptions are provided only to illustrate the principles of the present invention without departing from the spirit and scope of the present invention. The scope of the invention is defined by the appended claims and equivalents thereof.

Claims

1. The utility model provides a structure of spring coupling down, includes base (1), carrier (2), lower spring (6), carrier (2) lateral wall is provided with coil (3), its characterized in that: carrier (2) lateral wall is provided with bulge loop (4), four corner positions of base (1) are provided with boss (5), down spring (6) include with in-connection portion (9) that carrier (2) are connected, with outer connecting portion (10) that base (1) are connected, set up in cantilever (11) between in-connection portion (9) and outer connecting portion (10), in-connection portion (9) are fixed in bulge loop (4) deviate from the surface of base (1), outer connecting portion (10) are fixed in boss (5) terminal surface, bulge loop (4) upper surface with boss (5) terminal surface flushes.

2. A lower spring coupling structure according to claim 1, wherein: the cross section of the boss (5) is in the shape of an isosceles right triangle, and four corner positions of the carrier (2) are provided with chamfer surfaces corresponding to the boss (5).

3. A lower spring coupling structure according to claim 2, wherein: the lower spring (6) is divided into a lower spring A (7) and a lower spring B (8) which are symmetrically arranged, the structures of the lower spring A (7) and the lower spring B (8) are consistent, two ends of the inner connecting part (9) are respectively provided with an inclined connecting part (12) corresponding to the chamfer surface, the inner connecting part (9) is connected with the inclined connecting parts (12) at the two ends to form a U shape, two cantilevers (11) and two outer connecting parts (10) of the lower spring A (7) are respectively connected to the inclined connecting parts (12), and the outer connecting parts (10) are arranged in a right triangle shape; a first positioning assembly is arranged between each inclined connecting part (12) and the convex ring (4), and a second positioning assembly is arranged between each outer connecting part (10) and the boss (5);

the first positioning component comprises two first positioning holes (13) formed in the inclined connecting part (12) and two first positioning columns (14) which are integrally formed on the upper surface of the convex ring (4) and penetrate through the first positioning holes (13), and the upper end surfaces of the first positioning columns (14) are flush with the upper surface of the inclined connecting part (12) or higher than the upper surface of the inclined connecting part (12);

the second positioning assembly comprises two second positioning holes (15) formed in the outer connecting portion (10) and two second positioning columns (16) integrally formed on the upper end faces of the bosses (5) and penetrating through the second positioning holes (15), and the upper end faces of the second positioning columns (16) are flush with or higher than the upper surface of the outer connecting portion (10).

4. A lower spring coupling structure according to claim 1, wherein: the lower surface of the convex ring (4) is flush with the lower surface of the carrier (2), and the lower surface of the carrier (2) is abutted to the upper surface of the base (1).

5. A lower spring coupling structure according to claim 2, wherein: the upper surface area of the outer connecting portion (10) is smaller than that of the boss (5), and a certain distance is reserved between the side wall of the outer connecting portion (10) and the corresponding side wall of the boss (5).

6. A lower spring coupling structure according to any one of claims 1 to 5, wherein: the upper surface of the inner connecting part (9) is positioned below the coil (3).

7. A voice coil motor characterized in that the lower spring is connected as claimed in claim 6, and the carrier (2) is connected with an upper spring which is located above the lower spring (6).

8. A photographic apparatus characterized by having the structure of the lower spring attachment according to claim 6.

9. An electronic product characterized by having the lower spring attachment structure of claim 6.