CN211701815U - Energizing structure of flexible circuit board and coil, lens driving device, and camera device - Google Patents
Energizing structure of flexible circuit board and coil, lens driving device, and camera device Download PDFInfo
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- CN211701815U CN211701815U CN201922394521.0U CN201922394521U CN211701815U CN 211701815 U CN211701815 U CN 211701815U CN 201922394521 U CN201922394521 U CN 201922394521U CN 211701815 U CN211701815 U CN 211701815U
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- circuit board
- flexible circuit
- coil
- base
- upper spring
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Abstract
The utility model discloses a flexible circuit board and coil electrifying structure, a lens driving device and a photographic device, which comprises a base, a rotor arranged in the base, a lower spring arranged at the bottom of the rotor, an upper spring arranged at the top of the rotor, a coil arranged at one side of the upper spring and a flexible circuit board arranged at the other side of the upper spring; the coil and the upper spring are electrified through welding, and the upper spring and the flexible circuit board are electrified through welding. The utility model discloses reduced coil and flexible circuit board and at the welding number of times that switches on the in-process, improved the spring down among the prior art and inserted the poor problem of recess metal terminal welding operation nature, reduced the rosin joint and leaded to the risk of contact failure, promoted the quality of product.
Description
Technical Field
The utility model relates to a lens drive arrangement field, specifically speaking, in particular to circular telegram structure that is used for lens drive arrangement's flexible circuit board and coil.
Background
In a conventional lens driving device used as a camera device mounted on an electronic device such as a smartphone, a flexible circuit board and a coil are energized in the following configurations: the coil and the lower spring are firstly welded and electrified, then the lower spring and the metal terminal of the insertion groove of the base are welded and electrified, and finally the flexible circuit board and the metal terminal of the insertion groove of the base are welded and electrified, so that the electrical conduction between the coil and the flexible circuit board is realized.
The above-described energizing structure has drawbacks in that:
1. the welding points are 6 points in total, 3 times of welding is needed (the coil is welded and electrified with the lower spring, the lower spring is welded with the metal terminal of the insertion groove, and the flexible circuit board is welded with the metal terminal of the insertion groove of the base), and the efficiency is low.
2. The lower spring and the metal terminal inserted into the groove have poor standing workability when being welded, and a cold joint open circuit is easy to occur.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide an not enough among the prior art, provide an circular telegram structure that is used for lens drive arrangement's flexible circuit board and coil to solve the problem that exists among the prior art.
The utility model provides a technical problem can adopt following technical scheme to realize:
a power-on structure of a flexible circuit board and a coil comprises a base, a rotor arranged in the base, a lower spring arranged at the bottom of the rotor, an upper spring arranged at the top of the rotor, a coil arranged on one side of the upper spring, and a flexible circuit board arranged on the other side of the upper spring; the coil and the upper spring are electrified through welding, and the upper spring and the flexible circuit board are electrified through welding.
Furthermore, two openings are formed in a side plate of the base, two terminals protruding outwards are arranged on the side face of the rotor, the terminals are located in the openings of the base, and the coil is sleeved on the terminals of the rotor.
Furthermore, the upper spring comprises two elastic sheet units which are symmetrically arranged, and each elastic sheet unit comprises a first connecting part connected with the base, a second connecting part connected with the rotor, and a connecting section used for connecting the first connecting part and the second connecting end.
Furthermore, the spring plate unit comprises four second connecting parts which are distributed along an arc line segment, two second connecting parts are respectively arranged at the end parts of two ends of the arc line segment, and two second connecting parts are symmetrically arranged in the middle of the arc line segment;
the elastic sheet unit comprises two first connecting parts, and the first connecting ends are respectively connected with second connecting parts positioned at the end parts of the two ends of the arc line section through a connecting section.
Furthermore, four corners of the base are respectively provided with a first positioning shaft, a second positioning shaft is arranged on the mover between the first positioning shafts, the first connecting portion is connected with the first positioning shaft of the base through a first connecting hole, and the second connecting portion is connected with the second positioning shaft of the mover through a second connecting hole.
Furthermore, the elastic sheet unit is provided with a first welding end which is welded and electrified with the coil and a second welding end which is welded and electrified with the flexible circuit board.
Further, the first welding end is arranged on the side of the second connecting portion, and a main body of the first welding end is positioned above the coil.
Furthermore, the second welding end is arranged on the side of the first connecting part, and the main body of the second welding end is positioned above the flexible circuit board.
Compared with the prior art, the beneficial effects of the utility model reside in that:
the welding frequency of the coil and the flexible circuit board in the conduction process is reduced, the problem that the welding workability of the lower spring and the metal terminal inserted into the groove is poor in the prior art is solved, the risk of poor contact caused by insufficient welding is reduced, and the product quality is improved.
Drawings
Fig. 1 is a schematic diagram of the power-on structure of the flexible circuit board and the coil according to the present invention.
Fig. 2 is a schematic view of the base of the present invention.
Fig. 3 is a schematic structural diagram of the mover according to the present invention.
Fig. 4 is a schematic structural diagram of the lower spring according to the present invention.
Fig. 5 is a schematic structural diagram of the upper spring according to the present invention.
Fig. 6 is a schematic structural diagram of the coil according to the present invention.
Fig. 7 is a schematic structural diagram of the flexible circuit board according to the present invention.
Fig. 8 is an assembly diagram of the coil and the mover according to the present invention.
Fig. 9 is a schematic view of a lens driving device according to the present invention.
Fig. 10 is an exploded view of the lens driving device according to the present invention.
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 is further described below with reference to the following embodiments.
The utility model discloses a flexible circuit board and coil power-on structure, including base (1), active cell (2) arranged in base (1), lower spring (3) arranged at the bottom of active cell (2), upper spring (4) arranged at the top of active cell (2), coil (5) arranged at one side of upper spring (4), and flexible circuit board (6) arranged at the other side of upper spring (4); the coil (5) and the upper spring (4) are electrified through welding, and the upper spring (4) and the flexible circuit board (6) are electrified through welding.
The side plate (11) of the base (1) is provided with two openings (12), the side surface of the rotor (2) is provided with two terminals (21) protruding outwards, the terminals (21) are located in the openings (12) of the base (1), and the coil (5) is sleeved on the terminals (21) of the rotor (2).
The upper spring (4) comprises two elastic sheet units (41) which are symmetrically arranged, wherein each elastic sheet unit (41) comprises a first connecting part (42) connected with the base (1), a second connecting part (43) connected with the rotor (2) and a connecting section (44) used for connecting the first connecting part (42) and the second connecting end (43).
The spring plate unit (41) comprises four second connecting parts (43), the four second connecting parts (43) are distributed along an arc line section (45), the two end parts of the arc line section (45) are respectively provided with one second connecting part (43), and the middle of the arc line section (45) is symmetrically provided with two second connecting parts (43);
the elastic sheet unit (41) comprises two first connecting parts (42), and the first connecting parts (42) are respectively connected with second connecting parts (43) located at the end parts of the two ends of the arc line segment (45) through a connecting section (44).
The four corners of the base (1) are respectively provided with a first positioning shaft (13), a second positioning shaft (22) is arranged on the rotor (2) between the first positioning shafts (13), the first connecting part (42) is connected with the first positioning shaft (13) of the base (1) through a first connecting hole (421) which is formed, and the second connecting part (43) is connected with the second positioning shaft (22) of the rotor (2) through a second connecting hole (431) which is formed.
The elastic sheet unit (41) is provided with a first welding end (46) which is welded and electrified with the coil (5) and a second welding end (47) which is welded and electrified with the flexible circuit board (6).
The first welding end (46) is arranged on the side of the second connecting part (43), and the main body of the first welding end (46) is positioned above the coil (5).
The second welding end (47) is arranged on the side of the first connecting part (42), and the main body of the second welding end (47) is positioned above the flexible circuit board (6).
The utility model discloses an adopt coil (5) -go up spring (4) -flexible circuit board (6) electric property conduction structure, solved among the prior art lower spring and insert recess metal terminal welding operation nature poor and appear rosin joint easily and lead to and contact failure's problem.
Referring to fig. 8 and 9, the present invention also provides a lens driving apparatus having the flexible circuit board fixing structure as described in embodiments 1 and 2. In addition, the utility model also provides a photographic device, this photographic device has lens drive arrangement as above.
The basic principles and the main features of the invention and the advantages of the invention have been shown and described above. 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 (10)
1. A power-on structure of a flexible circuit board and a coil comprises a base (1), a rotor (2) arranged in the base (1), a lower spring (3) arranged at the bottom of the rotor (2), an upper spring (4) arranged at the top of the rotor (2), a coil (5) arranged on one side of the upper spring (4), and a flexible circuit board (6) arranged on the other side of the upper spring (4); the coil (5) and the upper spring (4) are electrified through welding, and the upper spring (4) and the flexible circuit board (6) are electrified through welding.
2. The structure of claim 1, wherein two openings (12) are provided on the side plate (11) of the base (1), two terminals (21) protruding outward are provided on the side surface of the mover (2), the terminals (21) are located in the openings (12) of the base (1), and the coil (5) is sleeved on the terminals (21) of the mover (2).
3. The structure of energizing a flexible circuit board and a coil according to claim 1 or 2, wherein the upper spring (4) comprises two spring sheet units (41) symmetrically arranged, and the spring sheet units (41) comprise a first connecting portion (42) connected with the base (1), a second connecting portion (43) connected with the mover (2), and a connecting section (44) for connecting the first connecting portion (42) and the second connecting portion (43).
4. The structure of claim 3, wherein the spring plate unit (41) comprises four second connecting portions (43), the four second connecting portions (43) are distributed along an arc segment (45), two second connecting portions (43) are respectively arranged at two end portions of the arc segment (45), and two second connecting portions (43) are symmetrically arranged at the middle position of the arc segment (45);
the elastic sheet unit (41) comprises two first connecting parts (42), and the first connecting parts (42) are respectively connected with second connecting parts (43) located at the end parts of the two ends of the arc line segment (45) through a connecting section (44).
5. The structure of energizing a flexible circuit board and a coil according to claim 4, wherein a first positioning shaft (13) is disposed at each of four corners of the base (1), a second positioning shaft (22) is disposed on the mover (2) between the first positioning shafts (13), the first connecting portion (42) is connected to the first positioning shaft (13) of the base (1) through a first connecting hole (421), and the second connecting portion (43) is connected to the second positioning shaft (22) of the mover (2) through a second connecting hole (431).
6. The structure of claim 3, wherein the spring plate unit (41) has a first soldering terminal (46) soldered to the coil (5) and a second soldering terminal (47) soldered to the flexible circuit board (6).
7. The energizing structure of a flexible circuit board and a coil according to claim 6, wherein said first soldering terminal (46) is provided on the side of the second connecting portion (43), and the main body of said first soldering terminal (46) is located above the coil (5).
8. The energizing structure of a flexible circuit board and a coil according to claim 6, wherein said second soldering terminal (47) is provided at a side of said first connecting portion (42), and a main body of said second soldering terminal (47) is located above the flexible circuit board (6).
9. A lens driving device characterized by having the flexible circuit board and the energizing structure of the coil according to claim 1 or 5.
10. A photographic apparatus having the lens driving apparatus according to claim 9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922394521.0U CN211701815U (en) | 2019-12-27 | 2019-12-27 | Energizing structure of flexible circuit board and coil, lens driving device, and camera device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922394521.0U CN211701815U (en) | 2019-12-27 | 2019-12-27 | Energizing structure of flexible circuit board and coil, lens driving device, and camera device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211701815U true CN211701815U (en) | 2020-10-16 |
Family
ID=72795322
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201922394521.0U Active CN211701815U (en) | 2019-12-27 | 2019-12-27 | Energizing structure of flexible circuit board and coil, lens driving device, and camera device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211701815U (en) |
-
2019
- 2019-12-27 CN CN201922394521.0U patent/CN211701815U/en active Active
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