CN212850721U - Voice coil motor and camera module - Google Patents
Voice coil motor and camera module Download PDFInfo
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- CN212850721U CN212850721U CN202022191985.4U CN202022191985U CN212850721U CN 212850721 U CN212850721 U CN 212850721U CN 202022191985 U CN202022191985 U CN 202022191985U CN 212850721 U CN212850721 U CN 212850721U
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- voice coil
- coil motor
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- carrier
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Abstract
The utility model provides a voice coil motor, including carrier and spring leaf, the carrier is used for bearing the camera lens, and the carrier includes carrier body and metal connecting piece, and metal connecting piece fixed connection is in the carrier body, and the spring leaf setting is in one side of carrier, and spring leaf and metal connecting piece fixed connection. The lower spring piece of the voice coil motor is fixedly connected with the first metal connecting piece, and the metal is connected with the metal, so that the scrap falling phenomenon can not occur, and the cleanliness of a workshop is improved; the lower spring piece is connected with the first metal connecting piece in a welding mode, so that riveting and glue dispensing processes are omitted, the baking and curing process is omitted, the process is simplified, the production efficiency is improved, automation is easy to realize, the labor cost is saved, and meanwhile, the problem of poor motor linearity caused by glue volatile matters is avoided as the baking and curing process is omitted. The utility model also provides a camera module.
Description
Technical Field
The utility model relates to a mobile terminal technical field, in particular to voice coil motor reaches camera module including this voice coil motor.
Background
The voice coil motor has the characteristics of high frequency response and high precision, is mainly applied to a mobile phone camera, and has the main principle that in a permanent magnetic field, the stretching position of a spring piece is controlled by changing the direct current of a coil in the motor, so that the spring piece is driven to move up and down. The mobile phone camera widely uses the voice coil motor to realize the automatic focusing function, and the position of the lens can be adjusted through the voice coil motor to present clear images.
The voice coil motor generally comprises an upper spring piece, a lower spring piece and a carrier for bearing the lens, wherein the upper spring piece and the lower spring piece are fixedly connected with the carrier, and the existing connection mode mainly comprises riveting and then dispensing, so that the purpose of fixedly connecting the spring pieces and the carrier is achieved.
However, the connection method has some disadvantages, for example, the riveting is not in place due to the problems of jigs, processes and the like during riveting, which causes poor performance of the voice coil motor; if excessive compression is used in riveting, the riveting strength is insufficient; meanwhile, the phenomenon of chip falling can be caused due to poor riveting, and granular waste is generated; and the glue curing needs longer time after the glue dispensing, and the production efficiency is lower.
SUMMERY OF THE UTILITY MODEL
In view of the above, the utility model provides a voice coil motor and camera module, which can ensure that no scrap falling phenomenon occurs when the spring piece is connected with the carrier, and improve the cleanliness of the workshop; the process is simple and the production efficiency is high.
The utility model provides a voice coil motor, including carrier and spring leaf, the carrier is used for bearing the camera lens, and the carrier includes carrier body and metal connecting piece, and metal connecting piece fixed connection is in the carrier body, and the spring leaf setting is in one side of carrier, and spring leaf and metal connecting piece fixed connection.
Further, the metal connecting piece is embedded in the carrier body.
Furthermore, the spring piece and the metal connecting piece are connected in a welding mode.
Further, the spring piece comprises a plurality of welding parts, and the spring piece is welded with the metal connecting piece through the welding parts.
Further, the spring piece also comprises a lower spring piece, the metal connecting piece comprises a first metal connecting piece, the lower spring piece is fixedly connected with the first metal connecting piece, the carrier body comprises a first end face, and the lower spring piece is arranged on the first end face.
Furthermore, the voice coil motor further comprises a base, conductive terminals are arranged on the base, the lower spring piece further comprises a plurality of connecting pieces which are electrically connected with the conductive terminals, and the connecting pieces are arranged at intervals.
Further, the lower spring piece further comprises a spring piece main body, the spring piece main body is arranged on the first end face, and the connecting piece is located at the end portion of the spring piece main body.
Furthermore, the carrier body further comprises a positioning column, the positioning column is arranged on the first end face, a positioning hole which is arranged corresponding to the positioning column is formed in the welding portion, and the positioning column penetrates through the positioning hole.
Furthermore, the spring piece also comprises an upper spring piece, the metal connecting piece also comprises a second metal connecting piece, the carrier body also comprises a second end face, the second end face is opposite to the first end face and is positioned above the first end face, the second metal connecting piece is arranged on the second end face, the upper spring piece is arranged on the second end face, and the upper spring piece is fixedly connected with the second metal connecting piece.
The utility model also provides a camera module, including the camera lens, the camera module still includes foretell voice coil motor, and the camera lens is installed in the voice coil motor.
The lower spring piece of the voice coil motor is fixedly connected with the first metal connecting piece, or the lower spring piece is fixedly connected with the second metal connecting piece, and metal is connected with metal, so that the scrap falling phenomenon can not occur, and the cleanliness of a workshop is improved; the connection mode of the lower spring piece and the first metal connecting piece and the connection mode of the upper spring piece and the second metal connecting piece are laser welding, the riveting and glue dispensing process is omitted, the baking and curing process is omitted, the process is simplified, the production efficiency is improved, automation is easy to realize, the labor cost is saved, and meanwhile, the problem of poor motor linearity caused by glue volatile matters is avoided due to the fact that the baking and curing process is omitted.
Drawings
Fig. 1 is a schematic view of an assembly structure of a carrier and a lower spring plate according to a first embodiment of the present invention.
Fig. 2 is a schematic view of an assembly structure of the carrier body and the first metal connecting member according to the first embodiment of the present invention.
Fig. 3 is a schematic structural diagram of a second end surface of the carrier body according to the first embodiment of the present invention.
Fig. 4 is a schematic structural view of a lower spring plate according to a first embodiment of the present invention.
Fig. 5 is a schematic structural diagram of a second end surface of a carrier body according to a second embodiment of the present invention.
Detailed Description
The following detailed description of the embodiments of the present invention is provided with reference to the accompanying drawings and examples. The following examples are intended to illustrate the invention, but are not intended to limit the scope of the invention.
First embodiment
Fig. 1 is a schematic view of an assembly structure of a carrier and a lower spring plate according to a first embodiment of the present invention. Fig. 2 is a schematic view of an assembly structure of the carrier body and the first metal connecting member according to the first embodiment of the present invention. Referring to fig. 1 and 2, the voice coil motor 10 includes a carrier 12 and a spring plate 14, the carrier 12 is used for carrying a lens, and the spring plate 14 is disposed on one side of the carrier 12 and fixedly connected to the carrier 12.
Specifically, the carrier 12 includes a carrier body 121 and a metal connecting member 122, the metal connecting member 122 is fixedly connected to the carrier body 122, preferably, the metal connecting member 122 is embedded in the carrier body 121, and the spring piece 14 is disposed on one side of the carrier body 121 and is fixedly connected to the metal connecting member 122. More specifically, the metal connecting member 122 includes a first metal connecting member 1221, and the spring piece 14 includes a lower spring piece 141, and the lower spring piece 141 is disposed at one side of the carrier body 121 and is fixedly connected to the first metal connecting member 122. In the present embodiment, the first metal connecting member 1221 is embedded in the carrier body 121, and specifically, may be embedded in the carrier body 121 through an injection molding process.
Fig. 3 is a schematic structural diagram of a second end surface of the carrier body according to the first embodiment of the present invention. With reference to fig. 1 to fig. 3, the carrier body 121 includes a first end surface 123, a second end surface 124 and a plurality of positioning pillars 125, the second end surface 124 is opposite to the first end surface 123, the second end surface 124 is located above the first end surface 123, the positioning pillars 125 are disposed on the first end surface 123, specifically, the plurality of positioning pillars 125 are disposed at intervals between the positioning pillars 125. The first metal connecting piece 1221 and the lower spring piece 141 are both disposed on the first end face 123, and the lower spring piece 141 is fixedly connected to the end face of the first metal connecting piece 1221.
As shown in fig. 2, specifically, the first metal connecting part 1221 includes a first portion (not shown) located in the carrier body 121 and a second portion exposed from the carrier body 121, the second portion has a connecting end surface 101, the lower spring tab 141 is fixedly connected to the connecting end surface 101, and a connection manner of the lower spring tab 141 and the first metal connecting part 1221 may be, specifically, welding, such as laser welding, but not limited thereto, such as glue connection, and the like, and a material of the first metal connecting part 1221 may be, specifically, but not limited thereto, copper, and a material of the first metal connecting part 1221 may also be, for example, an alloy.
Fig. 4 is a schematic structural view of a lower spring plate according to a first embodiment of the present invention. As shown in fig. 1, 2 and 4, the lower spring plate 141 includes a spring plate body 142, a welding portion 143 and a connecting piece 144. The welding portion 143 and the connecting pieces 144 are distributed on the clip main body 142, and the connecting pieces 144 are located at the ends of the clip main body 142, specifically, the connecting pieces 144 are located at both ends of the clip main body 142. The welding portion 143 is used for being fixedly connected with the connecting end surface 101, and the connection manner of the welding portion 143 and the first metal connecting member 1221 may be specifically laser welding. In this embodiment, there are two spring main bodies 142, and the two spring main bodies 142 are adjacent to each other end to form a ring shape, but not limited thereto, for example, in other embodiments, there may be one spring main body 142, and the spring main body 142 in this case is in a ring shape.
In this embodiment, the voice coil motor 10 further includes a base (not shown), on which conductive terminals are disposed, and the connecting sheet 144 is used for electrically connecting with the conductive terminals, so as to electrically connect the lower spring plate 141 with the circuit board of the camera module.
Specifically, a plurality of welding portions 143 and connecting pieces 144 are provided, and each welding portion 143 and each connecting piece 144 are provided at intervals. Each welding portion 143 is provided with a positioning hole 1421 corresponding to the positioning post 125, the positioning hole 1421 is used for being connected to the positioning post 125 in a matching manner, when the positioning post 125 passes through the positioning hole 1421, because the positioning post 125 and the positioning hole 1421 are in interference fit, the positioning post 125 cannot move relatively in the positioning hole 1421, and the elastic sheet main body 142 cannot fall off from the positioning post 125, thereby performing a fixing and positioning function, and each positioning hole 1421 corresponds to one positioning post 125.
In this embodiment, there are two first metal connectors 1221, one first metal connector 1221 is fixedly connected to one elastic sheet main body 142, and the other first metal connector 1221 is fixedly connected to the other elastic sheet main body 142.
The utility model discloses a voice coil motor 10's theory of operation roughly: the lower spring piece 141 is fixedly connected with the connecting end surface 101 of the first metal connecting piece 1221, namely metal is connected with metal, so that the phenomenon of chip falling is avoided, and the cleanliness of a workshop is improved; the lower spring piece 141 and the first metal connecting piece 1221 are connected by laser welding, so that the riveting and dispensing processes are eliminated, the baking and curing process is omitted, the process is simplified, the production efficiency is improved, the automation is easy to realize, the labor cost is saved, and meanwhile, the problem of poor motor linearity caused by glue volatile matters is avoided due to the absence of the baking and curing process.
Second embodiment
The structure of the voice coil motor of this embodiment is substantially the same as that of the voice coil motor of the first embodiment, except that the spring plate 14 of this embodiment further includes an upper spring plate, and the metal connector 122 further includes a second metal connector 1222.
Fig. 5 is a schematic structural diagram of a second end surface of a carrier body according to a second embodiment of the present invention. As shown in fig. 5, specifically, the second metal connectors 1222 are disposed on the second end surface 124 of the carrier body 121, and the second metal connectors 1222 are block-shaped and are disposed in a plurality of spaced-apart relationship between the second metal connectors 1222. When assembled, an upper spring plate (not shown) is disposed on the second end surface 124, the upper spring plate is fixedly connected to the second metal connector 1222, so as to fix the upper spring plate on the carrier 12, and the second metal connector 1222 is located above the first metal connector 1221. More specifically, the upper spring plate includes a spring plate main body, the spring plate main body is provided with a plurality of welding portions, the welding portions are uniformly distributed on the spring plate main body, each welding portion is fixedly connected to a second metal connector 1222, and the connection manner of the welding portions and the second metal connector 1222 may be welding, such as laser welding, but not limited thereto. In the present embodiment, the second metal connecting element 1222 is embedded in the carrier body 121, specifically, the second metal connecting element 1222 may be embedded in the carrier body 121 through an injection molding process, and the material of the second metal connecting element 1222 may be, but not limited to, steel, for example, the material of the second metal connecting element 1222 may also be an alloy.
The upper spring piece is fixedly connected with the second metal connecting piece 1222, namely, metal is connected with metal, so that the phenomenon of chip falling is avoided, and the cleanliness of a workshop is improved; the upper spring piece and the second metal connecting piece 1222 are connected by laser welding, so that the riveting and dispensing processes are eliminated, the baking and curing process is omitted, the process is simplified, the production efficiency is improved, the automation is easy to realize, the labor cost is saved, and meanwhile, the problem of poor motor linearity caused by glue volatile matters is avoided because the baking and curing process is not adopted.
The lower spring plate 141 of the voice coil motor 10 of the present invention is fixedly connected to the first metal connecting member 1221, or the lower spring plate is fixedly connected to the second metal connecting member 1222, and the metal is connected to the metal, so that the chip falling phenomenon is avoided, and the cleanliness of the workshop is improved; the connection mode of the lower spring piece 141 and the first metal connecting piece 1221 and the connection mode of the upper spring piece and the second metal connecting piece 1222 are both laser welding, so that the riveting and dispensing processes are eliminated, the baking and curing process is omitted, the process is simplified, the production efficiency is improved, the automation is easy to realize, the labor cost is saved, and meanwhile, the problem of poor motor linearity caused by glue volatile matters is avoided due to the fact that the baking and curing process is not available.
The utility model also provides a camera module, including camera lens and foretell voice coil motor 10, the camera lens is installed in voice coil motor 10.
In this document, unless expressly stated or limited otherwise, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms can be understood in a specific case to those of ordinary skill in the art.
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 preferred embodiments of the present invention have been described in detail with reference to the accompanying drawings, but the present invention is not limited to the details of the above embodiments, and the technical concept of the present invention can be within the scope of the present invention, and can be modified to various simple variants, and these simple variants all belong to the protection scope of the present invention. The various features described in the foregoing detailed description may be combined in any suitable manner without departing from the scope of the invention. In order to avoid unnecessary repetition, the present invention does not separately describe various possible combinations.
Claims (10)
1. The utility model provides a voice coil motor, includes carrier and spring leaf, the carrier is used for bearing the camera lens, its characterized in that, the carrier includes carrier body and metal connecting piece, metal connecting piece fixed connection in the carrier body, the spring leaf sets up one side of carrier, just the spring leaf with metal connecting piece fixed connection.
2. The voice coil motor of claim 1, wherein the metal connector is embedded within the carrier body.
3. The voice coil motor of claim 1, wherein the spring plate is connected to the metal connector by welding.
4. The voice coil motor of claim 2, wherein the spring plate includes a plurality of soldering portions, and the spring plate is soldered to the metal connecting member through the soldering portions.
5. The voice coil motor of claim 4, wherein the spring plate further comprises a lower spring plate, the metal connector comprises a first metal connector, the lower spring plate is fixedly connected with the first metal connector, the carrier body comprises a first end surface, and the lower spring plate is disposed on the first end surface.
6. The vcm according to claim 5, wherein the vcm further comprises a base, the base is provided with conductive terminals, the lower spring plate further comprises a plurality of connection pieces for electrically connecting to the conductive terminals, and the connection pieces are spaced apart from each other.
7. The voice coil motor of claim 6, wherein the lower spring plate further comprises a spring plate main body disposed on the first end surface, and the connecting piece is located at an end of the spring plate main body.
8. The voice coil motor of claim 5, wherein the carrier body further comprises a positioning post, the positioning post is disposed on the first end surface, a positioning hole is disposed on the welding portion and corresponds to the positioning post, and the positioning post passes through the positioning hole.
9. The voice coil motor of claim 5, wherein the spring plate further comprises an upper spring plate, the metal connector further comprises a second metal connector, the carrier body further comprises a second end surface, the second end surface is opposite to the first end surface, the second end surface is located above the first end surface, the second metal connector is disposed on the second end surface, the upper spring plate is disposed on the second end surface, and the upper spring plate is fixedly connected with the second metal connector.
10. A camera module comprising a lens, wherein the camera module further comprises a voice coil motor according to any one of claims 1 to 9, and the lens is mounted in the voice coil motor.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022191985.4U CN212850721U (en) | 2020-09-29 | 2020-09-29 | Voice coil motor and camera module |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022191985.4U CN212850721U (en) | 2020-09-29 | 2020-09-29 | Voice coil motor and camera module |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212850721U true CN212850721U (en) | 2021-03-30 |
Family
ID=75150508
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202022191985.4U Active CN212850721U (en) | 2020-09-29 | 2020-09-29 | Voice coil motor and camera module |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212850721U (en) |
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2020
- 2020-09-29 CN CN202022191985.4U patent/CN212850721U/en active Active
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Address after: No.3, Taihong Road, Kunshan high tech Industrial Development Zone, Suzhou, Jiangsu Province, 215300 Patentee after: Kunshan Qiuti Microelectronics Technology Co.,Ltd. Address before: No.3, Taihong Road, Kunshan high tech Industrial Development Zone, Suzhou, Jiangsu Province, 215300 Patentee before: KUNSHAN Q TECHNOLOGY Co.,Ltd. |