CN111031220A - Flexible circuit board fixing structure, lens driving device and camera device - Google Patents
Flexible circuit board fixing structure, lens driving device and camera device Download PDFInfo
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- CN111031220A CN111031220A CN201911373666.0A CN201911373666A CN111031220A CN 111031220 A CN111031220 A CN 111031220A CN 201911373666 A CN201911373666 A CN 201911373666A CN 111031220 A CN111031220 A CN 111031220A
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- circuit board
- positioning
- flexible circuit
- base
- fixing structure
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N23/00—Cameras or camera modules comprising electronic image sensors; Control thereof
- H04N23/50—Constructional details
- H04N23/55—Optical parts specially adapted for electronic image sensors; Mounting thereof
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- Engineering & Computer Science (AREA)
- Multimedia (AREA)
- Signal Processing (AREA)
- Structure Of Printed Boards (AREA)
- Camera Bodies And Camera Details Or Accessories (AREA)
Abstract
The invention discloses a flexible circuit board fixing structure which comprises a base and a flexible circuit board arranged on the base through a multidirectional clamping groove positioning structure; the multidirectional clamping groove positioning structure comprises a front positioning hole and a rear positioning hole which are positioned on the side face of the base and an upper and lower step limiting structure which is arranged on the outer side of the base. And the base is provided with an avoiding groove, the chip is arranged in the avoiding groove and is not contacted with the base, and the chip is fixedly connected with the inner side surface of the flexible circuit board on the side. According to the invention, the fixing performance of the flexible circuit board is improved by arranging the multidirectional clamping groove positioning structure on the base. Simultaneously, the base is provided with the avoiding groove, the chip is arranged in the avoiding groove and is not in contact with the base, and the problem that the product is cracked due to external force impact during an experiment can be effectively avoided.
Description
Technical Field
The present invention relates to a lens driving device, and more particularly, to a flexible printed circuit board fixing structure for a lens driving device.
Background
The fixing structure of the base, the flexible circuit board and the chip of the lens driving device used as a camera device mounted on electronic equipment such as a smart phone is as follows:
the flexible circuit board is attached to the base on one side, a groove is formed in the connecting face of the base and the flexible circuit board, and the chip is installed in the groove and is connected and positioned with the flexible circuit board.
The above-described connection structure has drawbacks in that:
1. the flexible circuit board and the base are limited only by a single face, the flexible circuit board is positioned by the chip, the supporting face is small, and the fixing performance of the flexible circuit board is poor.
2. The chip is contacted with the base in a matching mode, and the chip is subjected to stress cracking risk during an experiment, so that the reliability of a product is influenced.
Disclosure of Invention
The present invention is directed to a flexible circuit board fixing structure for a lens driving device, which solves the problems of the prior art.
The technical problem solved by the invention can be realized by adopting the following technical scheme:
the flexible circuit board fixing structure comprises a base and a flexible circuit board arranged on the base through a multidirectional clamping groove positioning structure; the multidirectional clamping groove positioning structure comprises a front positioning hole and a rear positioning hole which are positioned on the side face of the base and an upper and lower step limiting structure which is arranged on the outer side of the base.
Furthermore, a side plate is arranged at the edge position of the base, and a front positioning hole and a rear positioning hole are formed in the side plate.
Further, an annular edge is arranged along the bottom of the base, the annular edge is provided with a fracture, and two end parts of the fracture are respectively provided with a baffle; the lower extreme of baffle has the extension end of being connected with the curb plate lateral surface, the upper end of baffle leaves the positioning gap with the curb plate lateral surface, positioning gap and fracture constitute upper and lower ladder limit structure.
Furthermore, a positioning block is arranged on the inner side surface of the flexible circuit board, one end of the positioning block is connected with the inner side surface of the flexible circuit board, and the other end of the positioning block is arranged in the front positioning hole and the rear positioning hole to be positioned and matched.
Furthermore, two sides of the upper end of the flexible circuit board are respectively provided with a first positioning end protruding outwards, and the first positioning ends are arranged in positioning gaps in a positioning matching mode.
Furthermore, a second positioning end which is downward is arranged at the middle position of the lower end of the flexible circuit board, and the second positioning end is arranged in the fracture for positioning and matching.
Furthermore, the second positioning end and the first positioning end on one side form a stepped structure, and the stepped structure is matched with the upper and lower stepped limiting structures in a positioning manner.
Furthermore, an avoiding groove is formed in the base, the chip is arranged in the avoiding groove and is not in contact with the base, and the chip is fixedly connected with the inner side face of the flexible circuit board on the side.
Furthermore, a plurality of connection points are arranged on the connection surface of the chip and the flexible circuit board.
Furthermore, the number of the connection points is six, and the connection points are distributed on the chip in two rows and three columns.
Compared with the prior art, the invention has the beneficial effects that:
1. through set up multidirectional draw-in groove location structure on the base, promoted flexible circuit board's fixity ability.
2. Through seting up on the base and dodging the groove, the chip setting is dodging the inslot, and does not contact with the base, can effectually avoid the product to receive external force impact and cracked problem when the experiment.
Drawings
Fig. 1 is a schematic view of a flexible circuit board fixing structure according to the present invention.
Fig. 2 is a schematic view of a base according to the present invention.
Fig. 3 is a schematic view of the upper and lower step limiting structure according to the present invention.
Fig. 4 is a schematic outer side view of a flexible circuit board according to the present invention.
Fig. 5 is a schematic diagram of an inner side surface of the flexible circuit board according to the present invention.
FIG. 6 is a diagram of a chip according to the present invention.
Fig. 7 is a schematic view of the chip in the avoiding groove according to the present invention.
Fig. 8 is a schematic view of a lens driving apparatus according to the present invention.
Fig. 9 is an exploded view of the lens driving apparatus according to the present invention.
Detailed Description
In order to make the technical means, the creation characteristics, the achievement purposes and the effects of the invention easy to understand, the invention is further described with the specific embodiments.
Example 1
The purpose of this embodiment is to solve among the prior art that flexible circuit board (2) and base (1) only have the single face spacing, and flexible circuit board's location relies on the chip, and the holding surface is little, the relatively poor problem of flexible circuit board fixity.
The flexible circuit board fixing structure in the embodiment comprises a base (1) and a flexible circuit board (2) arranged on the base (1) through a multi-directional clamping groove positioning structure; the multidirectional clamping groove positioning structure comprises a front positioning hole and a rear positioning hole (12) which are positioned on the side surface of the base (1) and an upper-lower step limiting structure (15) which is arranged on the outer side of the base (1).
A side plate (11) is arranged at the edge position of the base (1), and a front positioning hole and a rear positioning hole (12) are formed in the side plate (11). An annular edge (12) is arranged along the bottom of the base (11), the annular edge (12) is provided with a fracture (13), and two ends of the fracture (13) are respectively provided with a baffle (14); the lower end (141) of the baffle (14) is provided with an extension end (142) connected with the outer side face of the side plate (11), a positioning gap (144) is reserved between the upper end (143) of the baffle (14) and the outer side face of the side plate (11), and the positioning gap (144) and the fracture (13) form an upper-lower step limiting structure (15).
And a positioning block (21) is arranged on the inner side surface of the flexible circuit board (2), one end of the positioning block (21) is connected with the inner side surface of the flexible circuit board (2), and the other end of the positioning block (21) is arranged in the front positioning hole (12) and the rear positioning hole (12) for positioning and matching. Two sides of the upper end of the flexible circuit board (2) are respectively provided with a first positioning end (22) protruding outwards, and the first positioning ends (22) are arranged in the positioning gaps (144) for positioning and matching. A downward second positioning end (23) is arranged in the middle of the lower end of the flexible circuit board (2), and the second positioning end (23) is arranged in the fracture (13) in a positioning matching mode. The second positioning end (23) and the first positioning end (22) on one side form a stepped opening structure (24), and the stepped opening structure (24) is in positioning fit with the upper and lower stepped limiting structures (15).
The locating hole (12) is arranged on the base (1), and the locating hole (12) is matched with the locating block (21) of the flexible circuit board (2) to limit and support the flexible circuit board (2) in the front-back direction. Meanwhile, the upper and lower step limiting structures (15) are arranged on the outer side of the base (1), and the upper and lower step limiting structures (15) are matched with the step opening structure (24) of the flexible circuit board (2) to limit and support the flexible circuit board (2) in the up-and-down direction.
Example 2
The purpose of this embodiment is to solve among the prior art chip (3) and base (1) cooperation contact, and the chip has the cracked risk of atress during the experiment, influences the problem of product reliability.
The flexible circuit board fixing structure in the embodiment comprises a base (1), a flexible circuit board (2) and a chip (3). Offer on base (1) and dodge groove (16), chip (3) set up in dodging groove (16), and do not contact with base (1), chip (3) and the medial surface fixed connection of the flexible circuit board (2) of side.
And a plurality of connection points (31) are arranged on the connection surface of the chip (3) and the flexible circuit board (2).
The number of the connecting points (31) is six, and the connecting points are distributed on the chip (3) in two rows and three columns.
This embodiment is through offering on base (1) and dodging groove (16), and chip (3) set up in dodging groove (16), and do not contact with base (1), can effectually avoid the product to receive external force impact and cracked problem when the experiment.
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 present invention also provides a photographic apparatus having the lens driving apparatus as described above.
The foregoing shows and describes the general principles and broad features of the present invention and advantages thereof. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, which are described in the specification and illustrated only to illustrate the principle of the present invention, but that various changes and modifications may be made therein without departing from the spirit and scope of the present invention, which fall within the scope of the invention as claimed. The scope of the invention is defined by the appended claims and equivalents thereof.
Claims (10)
1. The flexible circuit board fixing structure is characterized by comprising a base (1) and a flexible circuit board (2) arranged on the base (1) through a multi-directional clamping groove positioning structure; the multidirectional clamping groove positioning structure comprises a front positioning hole and a rear positioning hole (12) which are positioned on the side surface of the base (1) and an upper-lower step limiting structure (15) which is arranged on the outer side of the base (1).
2. The fixing structure of a flexible printed circuit board according to claim 1, wherein a side plate (11) is disposed at an edge of the base (1), and the side plate (11) is provided with front and rear positioning holes (12).
3. The flexible circuit board fixing structure according to claim 2, wherein an annular edge (12) is provided along the bottom of the base (11), the annular edge (12) has a break (13), and a baffle (14) is provided at each end of the break (13); the lower end (141) of the baffle (14) is provided with an extension end (142) connected with the outer side face of the side plate (11), a positioning gap (144) is reserved between the upper end (143) of the baffle (14) and the outer side face of the side plate (11), and the positioning gap (144) and the fracture (13) form an upper-lower step limiting structure (15).
4. The flexible circuit board fixing structure according to claim 3, wherein a positioning block (21) is disposed on an inner side surface of the flexible circuit board (2), one end of the positioning block (21) is connected to the inner side surface of the flexible circuit board (2), and the other end of the positioning block (21) is disposed in the front and rear positioning holes (12) for positioning and matching.
5. The flexible circuit board fixing structure according to claim 4, wherein both sides of the upper end of the flexible circuit board (2) are respectively provided with a first positioning end (22) protruding outwards, and the first positioning ends (22) are arranged in the positioning gaps (144) for positioning and matching; a downward second positioning end (23) is arranged in the middle of the lower end of the flexible circuit board (2), and the second positioning end (23) is arranged in the fracture (13) in a positioning matching mode.
6. The flexible circuit board fixing structure according to claim 5, wherein the second positioning end (23) and the first positioning end (22) on one side form a stepped structure (24), and the stepped structure (24) is in positioning fit with the upper and lower stepped limiting structures (15).
7. The flexible circuit board fixing structure according to claim 1, 2 or 3, wherein the base (1) is provided with an avoiding groove (16), the chip (3) is disposed in the avoiding groove (16) and does not contact with the base (1), and the chip (3) is fixedly connected with the inner side surface of the flexible circuit board (2) on the side.
8. The flexible circuit board fixing structure according to claim 7, wherein a plurality of connection points (31) are provided on a connection surface of the chip (3) and the flexible circuit board (2); the number of the connecting points (31) is six, and the connecting points are distributed on the chip (3) in two rows and three columns.
9. A lens driving apparatus having the flexible circuit board fixing structure as set forth in claim 1 or 8.
10. A photographic apparatus having the lens driving apparatus according to claim 9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911373666.0A CN111031220A (en) | 2019-12-27 | 2019-12-27 | Flexible circuit board fixing structure, lens driving device and camera device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911373666.0A CN111031220A (en) | 2019-12-27 | 2019-12-27 | Flexible circuit board fixing structure, lens driving device and camera device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN111031220A true CN111031220A (en) | 2020-04-17 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201911373666.0A Pending CN111031220A (en) | 2019-12-27 | 2019-12-27 | Flexible circuit board fixing structure, lens driving device and camera device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN111031220A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111431351A (en) * | 2020-04-23 | 2020-07-17 | 新思考电机有限公司 | Circuit board positioning structure, voice coil motor, shooting device and electronic equipment |
-
2019
- 2019-12-27 CN CN201911373666.0A patent/CN111031220A/en active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111431351A (en) * | 2020-04-23 | 2020-07-17 | 新思考电机有限公司 | Circuit board positioning structure, voice coil motor, shooting device and electronic equipment |
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