CN112601003A - Camera module and assembling method thereof - Google Patents
Camera module and assembling method thereof Download PDFInfo
- Publication number
- CN112601003A CN112601003A CN202011549895.6A CN202011549895A CN112601003A CN 112601003 A CN112601003 A CN 112601003A CN 202011549895 A CN202011549895 A CN 202011549895A CN 112601003 A CN112601003 A CN 112601003A
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- Prior art keywords
- lens
- optical lens
- gap
- camera module
- wall
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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
-
- 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)
- Lens Barrels (AREA)
Abstract
The invention discloses a camera module, which comprises an optical lens and a lens seat, wherein a lens barrel is arranged on the lens seat, the optical lens is assembled in the lens barrel, an annular boss surrounding the outer wall of the optical lens is arranged in the middle of the optical lens, a first gap is formed between the bottom surface of the annular boss and the top surface of the lens barrel, and viscose is arranged in the first gap to bond and fix the optical lens and the lens seat. The camera module can improve the bearing capacity of the optical lens to external thrust. The invention also discloses an assembly method of the camera module.
Description
Technical Field
The invention relates to a camera shooting technology, in particular to a camera module and an assembling method thereof.
Background
With the development of science and technology, the application field of the camera is increasingly wide. In some fields, the lens of the camera is large and the lens body is made of metal. In many application scenarios, the camera is subjected to a large force or a long-term vibration in the use life cycle during the installation process. And to big, the big camera lens of quality of size, atress or vibration inertial force can correspond the increase, and this must require the cohesion between camera lens and the lens mount to be enough big, otherwise the camera lens appears with the lens mount separation very likely, and the camera drops, and the condition that the camera became invalid can lead to the product to be scrapped, still can cause personnel's incident in fields such as some security monitoring, autopilot.
Disclosure of Invention
In order to solve the above-mentioned deficiencies of the prior art, the present invention provides a camera module, which can improve the bearing capacity of the optical lens to the external thrust.
The invention also provides an assembly method of the camera module.
The technical problem to be solved by the invention is realized by the following technical scheme:
a camera module comprises an optical lens and a lens mount, wherein a lens barrel is arranged on the lens mount, the optical lens is assembled in the lens barrel, an annular boss surrounding the outer wall of the optical lens is arranged in the middle of the optical lens, a first gap is formed between the bottom surface of the annular boss and the top surface of the lens barrel, and viscose is arranged in the first gap to bond and fix the optical lens and the lens mount.
Furthermore, an annular groove surrounding the optical lens is arranged on the bottom surface of the annular boss, and the viscose in the first gap is filled in the annular groove.
Furthermore, a second gap is formed between the inner wall of the lens barrel and the outer wall of the optical lens, and viscose is arranged in the second gap to fixedly bond the optical lens and the lens mount.
Further, an external thread is arranged on the outer wall of the optical lens, and the viscose in the second gap is filled into the adjacent external thread.
Further, the first gap communicates with the second gap.
The assembling method of the camera module comprises the following steps:
coating adhesive on the bottom surface of the annular boss or the top surface of the lens barrel;
assembling the optical lens into a lens barrel of the lens mount, and carrying out position calibration;
and curing the adhesive to fixedly bond the optical lens and the lens mount.
Further, when coating the viscose on the bottom surface of annular boss or the top surface of lens barrel, still include: and coating adhesive on the inner wall of the lens barrel or the outer wall of the optical lens.
The assembling method of the camera module comprises the following steps:
coating adhesive on the inner wall of the lens barrel or the outer wall of the optical lens, wherein the coated adhesive exceeds the normal use amount;
assembling the optical lens into a lens barrel of the lens mount, and extruding the viscose in a second gap between the inner wall of the lens barrel and the outer wall of the optical lens during position calibration so that the viscose overflows into a first gap between the bottom surface of the annular boss and the top surface of the lens barrel;
and curing the adhesive to fixedly bond the optical lens and the lens mount.
The invention has the following beneficial effects: according to the camera module, the annular boss is additionally arranged on the outer wall of the optical lens, and the annular boss is fixedly bonded with the top of the lens barrel through the viscose glue during assembly, so that the bonding area between the optical lens and the lens barrel can be increased, the bonding fixing force can be improved, the bearing capacity of the optical lens to external thrust can be improved, and the optical lens is prevented from falling off due to the influence of the external thrust.
Drawings
Fig. 1 is a schematic view of a camera module provided by the invention before dispensing;
fig. 2 is a schematic diagram of the camera module provided by the invention after dispensing;
FIG. 3 is a block diagram of the steps of an assembly method provided by the present invention;
fig. 4 is a block diagram of the steps of another assembly method provided by the present invention.
Detailed Description
The present invention will be described in detail below with reference to the accompanying drawings and examples.
Example one
As shown in fig. 1 and 2, a camera module includes an optical lens 2 and a lens holder 1, wherein a lens barrel 11 is disposed on the lens holder 1, the optical lens 2 is assembled in the lens barrel 11, a second gap 4 is disposed between the lens barrel 11 and the optical lens 2, and an adhesive 5 is disposed in the second gap 4 to bond and fix the optical lens 2 and the lens holder 1; the middle part of the optical lens 2 is provided with an annular boss 21 surrounding the outer wall of the optical lens, a first gap 3 is arranged between the bottom surface of the annular boss 21 and the top surface of the lens barrel 11, and the first gap 3 is internally provided with adhesive 5 to bond and fix the optical lens 2 and the lens mount 1.
According to the camera module, the annular boss 21 is additionally arranged on the outer wall of the optical lens 2, and the annular boss 21 and the top of the lens barrel 11 are bonded and fixed through the viscose 5 during assembly, so that the bonding area between the optical lens 2 and the lens barrel 11 can be increased, the bonding fixing force can be improved, the bearing capacity of the optical lens 2 on external thrust can be improved, and the optical lens 2 is prevented from falling off due to the influence of the external thrust.
The bottom surface of the annular boss 21 is provided with an annular groove 22 surrounding the optical lens 2, and the viscose 5 in the first gap 3 is filled in the annular groove 22, so that the bonding area of the viscose 5 on the annular boss 21 is further increased, and the bonding fixing force is improved.
An external thread is arranged on the outer wall of the optical lens 2, and the adhesive 5 in the second gap 4 is filled into the adjacent external thread, so that the bonding area of the adhesive 5 on the optical lens 2 is increased, and the bonding fixing force is improved.
The first gap 3 is communicated with the second gap 4, so that the adhesive 5 in the second gap 4 can be extruded to overflow into the first gap 3 when the assembly is in position calibration.
Example two
As shown in fig. 3, the method for assembling a camera module according to the first embodiment includes the following steps:
step 1: coating adhesive 5 on the bottom surface of the annular boss 21 or the top surface of the lens barrel 11, and simultaneously coating adhesive 5 on the inner wall of the lens barrel 11 or the outer wall of the optical lens 2;
step 2: assembling the optical lens 2 into the lens barrel 11 of the lens mount 1, and performing position calibration;
and step 3: and curing the adhesive 5 to fixedly bond the optical lens 2 and the lens holder 1.
EXAMPLE III
As shown in fig. 4, the method for assembling a camera module according to the first embodiment includes the following steps:
step 1: coating adhesive 5 on the inner wall of the lens barrel 11 or the outer wall of the optical lens 2, wherein the coated adhesive 5 exceeds the normal use amount;
step 2: fitting the optical lens 2 into the lens barrel 11 of the lens mount 1, and pressing the adhesive 5 in the second gap 4 between the inner wall of the lens barrel 11 and the outer wall of the optical lens 2 when performing position calibration, so that the adhesive 5 overflows into the first gap 3 between the bottom surface of the annular boss 21 and the top surface of the lens barrel 11;
and step 3: and curing the adhesive 5 to fixedly bond the optical lens 2 and the lens holder 1.
In step 1 of this embodiment, the adhesive 5 is coated only on the inner wall of the lens barrel 11 or on the outer wall of the optical lens 2, and the dispensing amount at this time exceeds the normal usage amount (the normal usage amount is approximately equivalent to the volume of the second gap 4 between the optical lens 2 and the lens barrel 11), so that the adhesive 5 located in the second gap 4 between the lens barrel 11 and the optical lens 2 is extruded and overflowed to the first gap 3 between the bottom surface of the annular boss 21 and the top surface of the lens barrel 11 when the optical lens 2 is finely adjusted forward, backward, leftward and rightward in the lens barrel 11 for position calibration, thereby saving dispensing time and efficiency.
The above-mentioned embodiments only express the embodiments of the present invention, and the description is more specific and detailed, but not understood as the limitation of the patent scope of the present invention, but all the technical solutions obtained by using the equivalent substitution or the equivalent transformation should fall within the protection scope of the present invention.
Claims (8)
1. The camera module comprises an optical lens and a lens mount, wherein a lens barrel is arranged on the lens mount, and the optical lens is assembled in the lens barrel.
2. The camera module according to claim 1, wherein an annular groove surrounding the optical lens is disposed on a bottom surface of the annular boss, and the adhesive in the first gap is filled in the annular groove.
3. The camera module of claim 1, wherein a second gap is defined between the inner wall of the lens barrel and the outer wall of the optical lens, and an adhesive is disposed in the second gap to adhesively fix the optical lens to the lens holder.
4. The camera module according to claim 4, wherein an external thread is disposed on an outer wall of the optical lens, and the adhesive in the second gap is filled into the adjacent external thread.
5. The camera module of claim 4, wherein the first gap is in communication with the second gap.
6. A method of assembling a camera module according to any of claims 1-5, comprising the steps of:
coating adhesive on the bottom surface of the annular boss or the top surface of the lens barrel;
assembling the optical lens into a lens barrel of the lens mount, and carrying out position calibration;
and curing the adhesive to fixedly bond the optical lens and the lens mount.
7. The assembling method of a camera module according to claim 6, further comprising, when coating the adhesive on the bottom surface of the annular boss or the top surface of the lens barrel: and coating adhesive on the inner wall of the lens barrel or the outer wall of the optical lens.
8. A method of assembling a camera module according to any of claims 1-5, comprising the steps of:
coating adhesive on the inner wall of the lens barrel or the outer wall of the optical lens, wherein the coated adhesive exceeds the normal use amount;
assembling the optical lens into a lens barrel of the lens mount, and extruding the viscose in a second gap between the inner wall of the lens barrel and the outer wall of the optical lens during position calibration so that the viscose overflows into a first gap between the bottom surface of the annular boss and the top surface of the lens barrel;
and curing the adhesive to fixedly bond the optical lens and the lens mount.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011549895.6A CN112601003B (en) | 2020-12-24 | 2020-12-24 | Camera module and assembling method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011549895.6A CN112601003B (en) | 2020-12-24 | 2020-12-24 | Camera module and assembling method thereof |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN112601003A true CN112601003A (en) | 2021-04-02 |
| CN112601003B CN112601003B (en) | 2022-07-08 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202011549895.6A Active CN112601003B (en) | 2020-12-24 | 2020-12-24 | Camera module and assembling method thereof |
Country Status (1)
| Country | Link |
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| CN (1) | CN112601003B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113438394A (en) * | 2021-06-16 | 2021-09-24 | 蔚来汽车科技(安徽)有限公司 | Front cover of vehicle-mounted camera, vehicle-mounted camera device and vehicle |
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| CN204180154U (en) * | 2014-04-02 | 2015-02-25 | 光宝电子(广州)有限公司 | Camera module |
| CN205015547U (en) * | 2015-09-15 | 2016-02-03 | 浙江宇视科技有限公司 | Assembly structure of camera lens and lens mount |
| CN206948467U (en) * | 2017-07-31 | 2018-01-30 | 厦门纵目实业有限公司 | A kind of water-proof CCD camera |
| CN207039745U (en) * | 2017-08-17 | 2018-02-23 | 厦门纵目实业有限公司 | A kind of structure of vehicle-mounted CCD camera |
| CN207820037U (en) * | 2017-12-19 | 2018-09-04 | 同致电子科技（厦门）有限公司 | A kind of camera lens of vehicle camera and lens fixing base fit structure |
| CN108508565A (en) * | 2018-03-15 | 2018-09-07 | 信利光电股份有限公司 | A kind of cameras with fixed focus and its AA methods |
| CN108540694A (en) * | 2018-03-21 | 2018-09-14 | 昆山丘钛微电子科技有限公司 | Camera module and its assemble method |
| CN209299116U (en) * | 2018-11-01 | 2019-08-23 | 信利光电股份有限公司 | A kind of voice coil motor |
| CN111050058A (en) * | 2020-01-03 | 2020-04-21 | 昆山丘钛微电子科技有限公司 | Camera module and electronic product |
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2020
- 2020-12-24 CN CN202011549895.6A patent/CN112601003B/en active Active
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN204180154U (en) * | 2014-04-02 | 2015-02-25 | 光宝电子(广州)有限公司 | Camera module |
| CN205015547U (en) * | 2015-09-15 | 2016-02-03 | 浙江宇视科技有限公司 | Assembly structure of camera lens and lens mount |
| CN206948467U (en) * | 2017-07-31 | 2018-01-30 | 厦门纵目实业有限公司 | A kind of water-proof CCD camera |
| CN207039745U (en) * | 2017-08-17 | 2018-02-23 | 厦门纵目实业有限公司 | A kind of structure of vehicle-mounted CCD camera |
| CN207820037U (en) * | 2017-12-19 | 2018-09-04 | 同致电子科技（厦门）有限公司 | A kind of camera lens of vehicle camera and lens fixing base fit structure |
| CN108508565A (en) * | 2018-03-15 | 2018-09-07 | 信利光电股份有限公司 | A kind of cameras with fixed focus and its AA methods |
| CN108540694A (en) * | 2018-03-21 | 2018-09-14 | 昆山丘钛微电子科技有限公司 | Camera module and its assemble method |
| CN209299116U (en) * | 2018-11-01 | 2019-08-23 | 信利光电股份有限公司 | A kind of voice coil motor |
| CN111050058A (en) * | 2020-01-03 | 2020-04-21 | 昆山丘钛微电子科技有限公司 | Camera module and electronic product |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113438394A (en) * | 2021-06-16 | 2021-09-24 | 蔚来汽车科技(安徽)有限公司 | Front cover of vehicle-mounted camera, vehicle-mounted camera device and vehicle |
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| Publication number | Publication date |
|---|---|
| CN112601003B (en) | 2022-07-08 |
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