CN215181132U

CN215181132U - Spring structure, lens driving device, camera device and electronic product

Info

Publication number: CN215181132U
Application number: CN202121453123.2U
Authority: CN
Inventors: 钱宇恒
Original assignee: New Shicoh Motor Co Ltd
Current assignee: New Shicoh Motor Co Ltd
Priority date: 2021-06-29
Filing date: 2021-06-29
Publication date: 2021-12-14
Anticipated expiration: 2031-06-29

Abstract

The utility model discloses a spring structure, lens drive arrangement, camera device, electronic product, its technical scheme main points are: a spring structure comprises two separated spring subsections, wherein the spring subsections are provided with riveting holes used for riveting with a carrier, and the spring subsections are integrally formed with outer convex parts close to the side walls of the riveting holes and extend the distance between the riveting holes and the edges of the spring subsections. The utility model discloses reach the structural strength who effectively promotes the spring, avoid the spring riveting hole position rupture.

Description

Spring structure, lens driving device, camera device and electronic product

Technical Field

The utility model relates to a camera equipment field especially involves spring structure, lens drive arrangement, camera device, electronic product.

Background

The Voice Coil Motor (VCM) mainly functions to drive the lens to move, so as to perform close-range shooting and long-range shooting, and is widely used in mobile terminal devices such as mobile phones, notebook computers or tablet computers. A voice coil motor is a system consisting of a coil and a magnet. The electrified coil can be subjected to ampere force in a magnetic field, so that the lens is driven to move in the direction of the optical axis.

The existing voice coil motor mainly comprises a carrier, a base, a shell, a coil, a magnet, an upper spring and a lower spring, wherein the upper spring or the lower spring is divided into two parts and respectively connected with two ends of the coil, a riveting column is arranged on the end face of the carrier, a riveting hole for the riveting column to penetrate is formed in the corresponding upper spring and/or the lower spring, and after the voice coil motor is installed, the riveting column is subjected to hot riveting, so that the upper spring and/or the hot riveting are/is fixed on the carrier. Because the riveting hole is formed in the upper spring or the lower spring, and the riveting hole is close to the edge of the spring, the spring is easily broken at the position of the riveting hole.

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 structure, lens drive arrangement, camera device, electronic product reach the structural strength who effectively promotes the spring, avoid the spring riveting hole position rupture.

The above technical purpose of the utility model is realized through following technical scheme: a spring structure comprises two separated spring subsections, wherein the spring subsections are provided with riveting holes used for riveting with a carrier, and the spring subsections are integrally formed with outer convex parts close to the side walls of the riveting holes and extend the distance between the riveting holes and the edges of the spring subsections.

The utility model discloses a further set up to: the outer convex part is arc-shaped, and the included angle between the outer convex part and the edge of the spring subsection is arc-shaped.

The utility model discloses a further set up to: the spring subsection is provided with a bonding pad connected with the carrier wire end, and a solder storage port for storing redundant solder paste at the bonding pad position is formed in the inner wall of the spring subsection.

The utility model discloses a further set up to: the solder storage port is communicated with the inner wall of the spring subsection, and the pad and the solder storage port are respectively arranged on two sides of the spring subsection.

The utility model discloses a further set up to: each spring subsection is provided with two riveting holes, the two riveting holes are respectively arranged at the two ends of the spring subsection, which are connected with the carrier, the spring subsection is provided with two dispensing holes respectively close to the corresponding riveting holes, and the dispensing holes are arranged in a long hole shape.

The utility model discloses a further set up to: a lens driving device has the spring structure.

The utility model discloses a further set up to: a photographic apparatus is provided with the lens driving device.

The utility model discloses a further set up to: an electronic product is provided with the electronic product.

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

effectively prolong the riveting hole through outer convex part and the distance between the internal fixation portion border, can effectively increase the bending strength that the spring subsection lies in the riveting hole position through outer convex part, avoid the easy condition of rupture to appear in one section of riveting hole position.

The edge of the inner fixing part is kept to be a smooth surface, so that the breaking strength is further effectively improved.

When the solder is soldered to the wire ends of the soldering pan and the carrier winding post, the redundant solder paste overflows on the surface of the spring, and the solder paste overflowing on the surface of the spring easily flows to the position of the solder storing opening and is stored and stored at the position of the solder storing opening because the solder storing opening is adjacent to the position of the soldering pan; in addition, if the winding post position is provided with a corresponding circulation groove, namely the circulation groove is positioned at the solder storage opening and the soldering position of the winding post, during soldering, solder paste flows into the circulation groove, and flows to the solder storage opening for storage through the downstream through groove.

When the spring subsection is glued and fixed, glue is glued at the glue dispensing hole, glue forms a corresponding glue column at the glue dispensing hole, a gap between the spring subsection and the carrier plays a corresponding fixing role through the glue, and meanwhile, the spring subsection is further fixed through the glue formed by the glue at the glue dispensing hole.

Drawings

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

FIG. 2 is a schematic view of example 2;

FIG. 3 is a schematic view of embodiment 2 with the outer shell removed;

FIG. 4 is a schematic view of a base in embodiment 2;

FIG. 5 is a schematic view of example 3;

FIG. 6 is a schematic view of example 4.

The corresponding part names indicated by the numbers in the figures: 1. a spring subsection; 2. an inner fixing portion; 3. an outer fixing portion; 4. a cantilever portion; 5. riveting holes; 6. an outer convex portion; 7. a tin storage port; 8. dispensing holes; 9. a carrier; 10. a coil; 11. a magnet; 12. a base; 13. a housing; 14. a card slot; 15. inserting a block; 16. an inclined surface; 17. a notch; 18. a ring groove; 19. and positioning the notch.

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.

Example 1: as shown in fig. 1, the present invention provides a spring structure, which comprises two separated spring sections 1, each spring section 1 includes an inner fixing portion 2 connected to a carrier 9, an outer fixing portion 3 connected to a base, and a cantilever portion 4 disposed between the inner fixing portion 2 and the outer fixing portion 3. The riveting hole 5 riveted with the corresponding riveting post of carrier is seted up to cantilever part 4, and riveting hole 5 is the round hole form, and riveting hole 5 is seted up to two in this embodiment, and two riveting holes 5 are located the both sides of interior fixed part 2 external, and interior fixed part 2 is closest to the lateral wall integrated into one piece in riveting hole 5 and has outer convex part 6. Effectively prolong through outer convex part 6 and rivet the hole 5 and 2 distances between the border of internal fixation portion, can effectively increase the bending strength that spring subsection 1 is located 5 positions of riveting hole through outer convex part 6, avoid the condition that the fracture easily appears in one section of 5 positions of riveting hole.

In this embodiment, outer convex part 6 is arc, and the contained angle at

outer convex part

6 and 2 borders of interior fixed part is the arc, keeps 2 borders of interior fixed part to be the smooth surface through above-mentioned structure, and then further effectively improves anti breaking strength.

In the embodiment, the spring subsection 1 is provided with a bonding pad connected with the wire end of the carrier 9, the inner wall of the spring subsection 1 is provided with a solder storage opening 7 for storing redundant solder paste at the bonding pad position, and the solder storage opening 7 is in a notch shape; and the solder storage port 7 is communicated with the inner wall of the spring subsection 1, and the pad and the solder storage port 7 are respectively arranged at two sides of the spring subsection 1. When the solder is applied to the bonding pad and the wire end of the wire winding column of the carrier 9, the redundant solder paste overflows on the surface of the spring, and because the solder storage opening 7 is adjacent to the bonding pad, the solder paste overflowing on the surface of the spring easily flows to the position of the solder storage opening 7 and is stored and stored at the position of the solder storage opening 7; in addition, if the winding post position is provided with a corresponding circulation groove, namely the circulation groove is positioned at the solder storage opening 7 and the soldering position of the winding post, during soldering, solder paste flows into the circulation groove, and flows to the solder storage opening 7 for storage through the downstream through groove.

In this embodiment, the inner fixing portion 2 of the spring sub-portion 1 is provided with two dispensing holes 8 respectively close to the corresponding riveting holes 5, and the dispensing holes 8 are arranged in a long hole shape. When the spring subsection 1 is glued and fixed, glue is glued at the glue dispensing hole 8, glue forms a corresponding glue column at the glue dispensing hole 8, a gap between the spring subsection 1 and the carrier 9 plays a corresponding fixing role through the glue, and meanwhile, the spring subsection 1 is further fixed through the glue formed by the glue dispensing hole 8.

Example 2: a lens driving device, as shown in fig. 2 to 4, having the spring structure described in embodiment 1, further includes a carrier 9, a coil 10, a magnet 11, a base 12, and a housing 13.

The side wall of the base 12 is provided with a clamping groove 14, the clamping groove 14 is located at the middle section of the side wall of the base 12, the end face of the shell 13 is provided with an inserting block 15 inserted into the clamping groove 14, and the clamping groove 14 and the inserting block 15 are four and are respectively arranged at the four side wall positions of the base 12. When the housing 13 and the base 12 are installed, the inserting block 15 is inserted into the slot 14, and glue is dispensed at the gap between the slot 14 and the inserting block 15, so that the housing 13 and the base 12 are effectively fixed.

The base 12 is provided with a glue inlet structure for facilitating glue to enter a gap between the clamping groove 14 and the inserting block 15. The glue inlet structure is an inclined plane 16 arranged at the edge position between the bottom surface of the clamping groove 14 and the bottom surface of the base 12. When the point gluing is carried out and is fixed, glue contacts the inclined plane 16 and enters into the gap between the clamping groove 14 and the inserting block 15 along the inclined plane 16, the gap between the clamping groove 14 and the inserting block 15 does not need to be accurately found through the inclined plane 16 for point gluing, and in addition, glue is pre-stored through the inclined plane 16 and is ensured to flow into the gap between the clamping groove 14 and the inserting block 15, so that the cementation strength is improved.

The bottom surface of the clamping groove 14 is provided with a plurality of notches 17 for increasing the contact area between glue and the clamping groove 14, the notches 17 are arranged at intervals along the length direction of the clamping groove 14, the notches 17 are arranged in a tooth shape, the notches 17 are connected with the inclined surface 16, and the notches 17 are not communicated with the inner wall of the base 12. The side walls of two sides of the notch 17 are arranged in an inclined way, and the opening of the notch 17 close to one end of the inclined surface 16 is larger than the opening of the other end far away from the inclined surface 16. Convenient glue that supplies to be located inclined plane 16 flows in through

breach

17 and 16 intercommunications on inclined plane, plays through breach 17 structure and stores glue and effectively increases the contact surface of glue and base 12, improves

base

12 and 13 point fixed strength, and breach 17 is close to the opening that is greater than the opening of keeping away from 16 one ends on inclined plane near 16 one end on inclined plane in addition to make things convenient for glue to flow into to breach 17 in from inclined plane 16, make things convenient for glue to flow.

In this embodiment, the bottom surface of the base 12 is formed with a circular groove 18, and the circular groove 18 is shaped like a U and surrounds the locking groove 14 and the inclined surface 16. The annular groove 18 can effectively prevent glue from overflowing to the bottom surface of the base 12, and ensure that the bottom surface of the base 12 is kept flat.

In order to prevent the housing 13 from being reversely or incorrectly assembled when being assembled on the base 12, the end faces of two oppositely-arranged insertion blocks 15 are provided with positioning notches 19. The mounting position of the plug block 15 of the shell 13 can be quickly judged through the two positioning notches 19, so that the situation of reverse installation or wrong installation of the shell 13 is avoided.

Example 3: a camera device, as shown in fig. 5, includes the lens driving device described in embodiment 2. In the embodiment, the base 12 and the shell 13 are effectively fixed through the installation structure of the base 12 and the shell 13 in the lens driving device, so that glue can conveniently enter a gap between the base 12 and the shell 13, and the structural firmness of the whole lens driving device is ensured; and through foretell spring structure can promote the structural strength of spring, avoid the rupture. When the photographic device is used, light rays enter the photoelectric sensor in the photographic device through the lens after the lens is focused and are converted into electric signals, so that the image of a collected picture is converted into electronic data, and the photographic function is realized. The lens driving device and the spring structure in the camera device of this embodiment are fully described in the foregoing, and are not described herein again.

Example 4: an electronic product, as shown in fig. 6, has the camera device described in embodiment 3. The electronic device in this embodiment may be a mobile phone, a tablet computer, a telephone watch, a security camera, a vehicle-mounted camera, or the like, that is, the camera device in embodiment 3 is correspondingly installed in the electronic device, so as to achieve the function of taking a picture or recording a video.

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. A spring structure comprising two separate spring sections (1), characterized in that: the spring subsection (1) is provided with a riveting hole (5) for riveting with a carrier, and an outer convex part (6) is integrally formed on the side wall of the spring subsection (1) close to the riveting hole (5) and extends the distance between the riveting hole (5) and the edge of the spring subsection (1).

2. A spring structure according to claim 1, wherein: the outer convex part (6) is arc-shaped, and the included angle between the outer convex part (6) and the edge of the spring subsection (1) is arc-shaped.

3. A spring structure according to claim 1, wherein: the spring subsection (1) is provided with a bonding pad connected with the wire end of the carrier (9), and the inner wall of the spring subsection (1) is provided with a solder storage opening (7) for storing redundant solder paste at the position of the bonding pad.

4. A spring structure according to claim 3, wherein: the solder storage port (7) is communicated with the inner wall of the spring subsection (1), and the pad and the solder storage port (7) are respectively arranged on two sides of the spring subsection (1).

5. A spring structure according to claim 1, wherein: every spring subsection (1) all sets up two riveting hole (5), and two both ends positions that spring subsection (1) and carrier (9) are connected are located to two riveting hole (5) branches, spring subsection (1) is seted up two and is close to respectively in some gluey holes (8) of corresponding riveting hole (5), some gluey holes (8) are the trompil shape and set up.

6. A lens driving device characterized in that: having a spring structure according to any one of claims 1 to 5.

7. A photographic apparatus, characterized in that: having a lens driving device as claimed in claim 6.

8. An electronic product, characterized in that: an electronic product having the structure of claim 7.