CN212850592U - Voice coil motor and camera module - Google Patents
Voice coil motor and camera module Download PDFInfo
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- CN212850592U CN212850592U CN202022191982.0U CN202022191982U CN212850592U CN 212850592 U CN212850592 U CN 212850592U CN 202022191982 U CN202022191982 U CN 202022191982U CN 212850592 U CN212850592 U CN 212850592U
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Abstract
The utility model provides a voice coil motor, including spring leaf and the base that is used for bearing the carrier down, the base includes body and conductive element, and conductive element sets up at this internally, and conductive element includes electrically conductive main part and electrically conductive pin, and electrically conductive pin extends out from a terminal surface of body, and electrically conductive main part extends to another terminal surface of body, lower spring leaf and electrically conductive main part fixed connection. The voice coil motor of the utility model can ensure that the scrap falling phenomenon can not occur when the lower spring piece is connected with the base, and improve the cleanliness of a workshop; the process is simple and the production efficiency is high. The utility model also provides a camera module.
Description
Technical Field
The utility model relates to a terminal technology 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 a base, a lower spring piece and a base, wherein the base is used for bearing the base, the lower spring piece is fixedly connected with the base, and the existing connection mode mainly comprises riveting and then dispensing, so that the purpose of fixedly connecting the spring piece and the base 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 lower spring piece is connected with the base, 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 spring leaf and the base that is used for bearing the carrier down, the base includes body and conductive element, and conductive element sets up at this internally, and conductive element includes electrically conductive main part and electrically conductive pin, and electrically conductive pin extends out from a terminal surface of body, and electrically conductive main part extends to another terminal surface of body, lower spring leaf and electrically conductive main part fixed connection.
Furthermore, the lower spring plate and the conductive main body are connected in a welding mode.
Furthermore, the body comprises a first end face and a second end face, the first end face is opposite to the second end face, one part of the conductive main body extends to the first end face, the lower spring piece is arranged on the first end face, and the conductive pins extend out from the second end face.
Further, the lower spring piece comprises a plurality of welding parts, the welding parts are arranged at intervals, and the welding parts are fixedly connected with the conductive main body.
Further, the lower spring piece further comprises a spring piece main body, the welding portion is distributed on the spring piece main body, and the spring piece main body is arranged on the first end face.
Further, the lower spring piece further comprises a connecting portion, the connecting portion is connected between the welding portion and the spring piece main body, and the connecting portion is an elastic portion.
Furthermore, the conductive body is in a thin and long strip shape, and the conductive pins are positioned at the end part of the conductive body and extend out from the end part of the conductive body.
Further, the number of the conductive elements is two, and the two conductive elements are adjacent to each other end to form a ring.
Furthermore, the conductive element is made of metal, the body is made of plastic materials, and the conductive element is embedded into the body through an injection molding process. 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 conductive element of the voice coil motor is arranged on the body, the conductive element comprises a conductive main body, the conductive main body is provided with a connecting end surface, the lower spring piece is fixedly connected with the connecting end surface, and metal is connected with 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 conductive main body in a laser welding mode, so that the riveting and glue dispensing processes are omitted, 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 as the baking and curing process is not adopted.
Drawings
Fig. 1 is a schematic view of an assembly structure of a base 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 a conductive element and a base according to a first embodiment of the present invention.
Fig. 3 is a schematic structural diagram of a conductive element according to a 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 conductive element 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 base and a lower spring plate according to a first embodiment of the present invention. As shown in fig. 1, the voice coil motor 10 includes a base 12 for carrying a carrier and a lower spring 14, the lower spring 14 being disposed on the base 12. Specifically, the base 12 includes a body 121 and a conductive element 122, the conductive element 122 is disposed in the body 121, a portion of the conductive element 122 extends from one end surface of the body 121, another portion of the conductive element 122 extends to the other end surface of the body 121, and the lower spring plate 14 is fixedly connected to the conductive element 122, so as to fix the lower spring plate 14 on the base 12. In the embodiment, the body 121 is made of plastic material, and the conductive element 122 can be embedded in the base 12 through an injection molding process, and the carrier is used for mounting the lens.
Fig. 2 is a schematic view of an assembly structure of a conductive element and a base according to a first embodiment of the present invention. As shown in fig. 1 and 2, the body 121 includes a first end surface 123, a second end surface 124 and a light transmission opening 125, the second end surface 124 is opposite to the first end surface 123, the second end surface 124 is located below the first end surface 123, and the light transmission opening 125 is disposed in the middle of the body 121. One part of the conductive element 122 extends to the first end face 123, the other part of the conductive element 122 extends from the second end face 121, and the lower spring piece 14 is arranged on the first end face 123.
Fig. 3 is a schematic structural diagram of a conductive element according to a first embodiment of the present invention. As shown in fig. 1-3, in particular, the conductive element 122 includes a conductive body 1221 and a conductive pin 1222, the conductive body 1221 is elongated, and the conductive pin 1222 is located at an end of the conductive body 1221 and extends from the end of the conductive body 1221. The lower spring plate 14 is disposed on the first end surface, the conductive pin 1222 extends from the second end surface, and the conductive body 1221 extends to the first end surface 123. Specifically, the conductive body 1221 includes a first portion (not shown) located inside the body 121 and a second portion exposed outside the body 121, and the second portion has a connection end surface 101. The lower spring plate 14 is located above the conductive body 1221, the lower spring plate 14 is fixedly connected to the connecting end surface 101, and the connection manner of the lower spring plate 14 and the conductive body 1221 may be welding, for example, laser welding.
In the present embodiment, the material of the conductive element 122 may specifically be copper, but not limited thereto, for example, the material of the conductive element 122 may also be an alloy. The conductive pins 1222 are electrically connected to the circuit board of the camera module, so as to electrically connect the lower spring plate 14 to the circuit board of the camera module, and the lower spring plate 14 is fixedly connected to the conductive body 1221, so that the conductive body 1221 functions to fix the lower spring plate 14, and the lower spring plate 14 and the conductive body 1221 are connected to each other through metal, so that the conductive body 1221 further has an electrical connection function.
In the embodiment, there are two conductive elements 122, two conductive elements 122 are adjacent to each other end to form a ring shape, and further, two conductive bodies 1221 are adjacent to each other end to form a ring shape.
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 piece 14 includes a spring piece main body 141, a welding portion 142 and a connecting portion 143, the connecting portion 143 is connected between the welding portion 142 and the spring piece main body 141, and the connecting portion 143 is an elastic portion. Specifically, the number of the elastic sheet main bodies 141 is two, the two elastic sheet main bodies 141 are adjacent end to form a ring, the welding portions 142 are sheet-shaped, but not limited thereto, the welding portions 142 are multiple, the welding portions 142 are arranged at intervals, and specifically, the welding portions 142 are distributed at two ends of the elastic sheet main body. The elastic sheet body 141 is disposed on the first end surface 123, the soldering portion 142 is located above the conductive body 1221, the soldering portion 142 is fixedly connected to the connecting end surface 101, and the connection manner between the soldering portion 142 and the connecting end surface 101 may be welding, for example, laser welding. In this embodiment, the soldering portion 142 is used to connect to the conductive body 1221 to fix the lower spring plate 14 to the base 12.
The utility model discloses a voice coil motor 10's theory of operation roughly: the conductive element 122 is arranged on the body 121, the conductive element 122 comprises a conductive main body 1221, the conductive main body 1221 is provided with a connecting end face 101, the lower spring piece 14 is fixedly connected with the connecting end face 101, metal is connected with metal, the phenomenon of chip falling is avoided, and the cleanliness of a workshop is improved; the lower spring piece 14 and the conductive main body 1221 are connected by laser welding, so that riveting and glue dispensing processes are omitted, a 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.
Second embodiment
The structure of the voice coil motor of this embodiment is the same as that of the voice coil motor of the first embodiment, except that the conductive leads 15 of this embodiment are diagonally distributed.
Fig. 5 is a schematic structural diagram of a conductive element according to a second embodiment of the present invention. As shown in fig. 5, two conductive pins 15 are arranged in an oblique diagonal direction, the conductive pins 15 are used for being electrically connected to a circuit board of the camera module, so that the lower spring 14 is electrically connected to the circuit board of the camera module, the lower spring 14 is fixedly connected to the conductive body 1221, and therefore the conductive body 1221 plays a role of fixing the lower spring 14, and the lower spring 14 and the conductive body 1221 are connected to each other through metal, so that the conductive body 1221 also has an electrical connection function. The operation principle of the voice coil motor of this embodiment is the same as that of the voice coil motor of the first embodiment, and please refer to the operation principle of the voice coil motor of the first embodiment, which will not be described herein.
The conductive element 122 of the voice coil motor 10 of the present invention is disposed on the body 121, the conductive element 122 includes a conductive main body 1221, the conductive main body 1221 has a connection end surface 101, the lower spring piece 14 is fixedly connected to the connection end surface 101, and the metal is connected to the metal, so that the chip falling phenomenon does not occur, and the cleanliness of the workshop is improved; the lower spring piece 14 and the conductive main body 1221 are connected by laser welding, so that riveting and glue dispensing processes are omitted, a 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, including the camera lens, the camera module still includes foretell voice coil motor 10, and 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 spring leaf and the base that is used for bearing the weight of the carrier down, its characterized in that, the base includes body and conductive element, conductive element sets up in the body, conductive element includes electrically conductive main part and electrically conductive pin, electrically conductive pin certainly the terminal surface of body extends out, electrically conductive main part extend to another terminal surface of body, lower spring leaf with electrically conductive main part fixed connection.
2. The voice coil motor of claim 1, wherein the lower spring plate is connected to the conductive body by soldering.
3. The voice coil motor of claim 1, wherein the body includes a first end surface and a second end surface, the first end surface being opposite to the second end surface, a portion of the conductive body extending to the first end surface, and the lower spring plate being disposed on the first end surface, the conductive leads extending from the second end surface.
4. The voice coil motor of claim 3, wherein the lower spring plate comprises a plurality of soldering portions, the soldering portions are spaced apart from each other, and the soldering portions are fixedly connected to the conductive body.
5. The voice coil motor of claim 4, wherein the lower spring plate further comprises a spring plate body, the welding portion is distributed on the spring plate body, and the spring plate body is disposed on the first end surface.
6. The voice coil motor of claim 5, wherein the lower spring plate further comprises a connecting portion connected between the soldering portion and the spring plate body, the connecting portion being an elastic portion.
7. The voice coil motor of claim 1, wherein the conductive body is elongated, and the conductive leads are located at and extend from an end of the conductive body.
8. The voice coil motor of claim 1, wherein the number of conductive elements is two, and two of the conductive elements are adjacent to each other end to form a ring.
9. The voice coil motor of claim 1, wherein the conductive element is made of metal, the body is made of plastic material, and the conductive element is embedded in the body by injection molding.
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 |
|---|---|---|---|
| CN202022191982.0U CN212850592U (en) | 2020-09-29 | 2020-09-29 | Voice coil motor and camera module |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022191982.0U CN212850592U (en) | 2020-09-29 | 2020-09-29 | Voice coil motor and camera module |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212850592U true CN212850592U (en) | 2021-03-30 |
Family
ID=75150520
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202022191982.0U Active CN212850592U (en) | 2020-09-29 | 2020-09-29 | Voice coil motor and camera module |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212850592U (en) |
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2020
- 2020-09-29 CN CN202022191982.0U patent/CN212850592U/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. |