CN109239882B - Lens module, camera module and assembling method - Google Patents
Lens module, camera module and assembling method Download PDFInfo
- Publication number
- CN109239882B CN109239882B CN201811287232.4A CN201811287232A CN109239882B CN 109239882 B CN109239882 B CN 109239882B CN 201811287232 A CN201811287232 A CN 201811287232A CN 109239882 B CN109239882 B CN 109239882B
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- Prior art keywords
- lens
- module
- locking
- camera module
- hole
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- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B7/00—Mountings, adjusting means, or light-tight connections, for optical elements
- G02B7/02—Mountings, adjusting means, or light-tight connections, for optical elements for lenses
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B7/00—Mountings, adjusting means, or light-tight connections, for optical elements
- G02B7/02—Mountings, adjusting means, or light-tight connections, for optical elements for lenses
- G02B7/022—Mountings, adjusting means, or light-tight connections, for optical elements for lenses lens and mount having complementary engagement means, e.g. screw/thread
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- G—PHYSICS
- G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
- G03B—APPARATUS OR ARRANGEMENTS FOR TAKING PHOTOGRAPHS OR FOR PROJECTING OR VIEWING THEM; APPARATUS OR ARRANGEMENTS EMPLOYING ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ACCESSORIES THEREFOR
- G03B17/00—Details of cameras or camera bodies; Accessories therefor
- G03B17/02—Bodies
- G03B17/12—Bodies with means for supporting objectives, supplementary lenses, filters, masks, or turrets
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- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Lens Barrels (AREA)
Abstract
The invention discloses a lens module, a camera module and an assembly method. The lens module comprises a lens, a locking sheet and a clamping ring, wherein the lens comprises a head part and a body part which are axially connected, and the radius of the head part is greater than that of the body part; the locking sheet is sleeved outside the body of the lens and provided with at least one locking hole for locking with the terminal whole machine; the clamping ring is rotationally fixed outside the body of the lens and clamps and fixes the locking piece together with the head of the lens. The lens module replaces the existing printed circuit board locking by adopting a mode of indirectly locking the lens and the terminal whole machine, and the relative angle between the sensor of the camera module and the lens cannot be influenced.
Description
Technical Field
The invention relates to the field of camera shooting, in particular to a lens module, a camera shooting module and an assembly method.
Background
At present, when a large-sized camera module with a length and width of a printed circuit board of 38mmX38mm or more is mounted on a terminal complete machine, 3 to 4 locking holes are generally formed in the printed circuit board, and then the camera module is fixed on the terminal complete machine in a screw locking manner, so as to improve stability. In the process of screw locking, the screws can generate mechanical stress on the printed circuit board to cause the printed circuit board to deform, meanwhile, the mechanical stress on the printed circuit board is uneven and the printed circuit board is inclined due to different locking force of the screws, and a sensor carried on the printed circuit board is also inclined accordingly and cannot be vertical to the optical axis of the lens, so that the image quality is influenced.
Disclosure of Invention
In order to overcome the defects of the prior art, the invention provides a lens module, a camera module and an assembling method. The lens module replaces the existing printed circuit board locking by adopting a mode of indirectly locking the lens and the terminal whole machine, and the relative angle between the sensor of the camera module and the lens cannot be influenced.
The technical problem to be solved by the invention is realized by the following technical scheme:
a lens module comprises a lens, a locking sheet and a clamping ring, wherein,
the lens comprises a head part and a body part which are axially connected, and the radius of the head part is larger than that of the body part;
the locking sheet is sleeved outside the body of the lens and provided with at least one locking hole for locking with the terminal whole machine;
the clamping ring is rotationally fixed outside the body of the lens and clamps and fixes the locking piece together with the head of the lens.
Furthermore, the outer wall of the body part of the lens is provided with an external thread, and the inner wall of the clamping ring is provided with a first internal thread screwed with the external thread on the lens.
Further, the clamping ring is a plastic piece.
Furthermore, the radius of a sleeving hole used for sleeving the outside of the body part of the lens is larger than that of the body part of the lens on the locking auxiliary sheet.
Further, the locking auxiliary sheet is a sheet metal part.
A camera module comprises the lens module and a sensing module, wherein the lens module is screwed and fixed on the sensing module through the lens.
Furthermore, the sensing module comprises a printed circuit board, a sensor and a module base, wherein the sensor is carried on the printed circuit board, and the module base is fixedly bonded on the printed circuit board and covers the sensor; the external screw thread has on the body portion outer wall of camera lens, the module base corresponding to the sensitization face top of sensor has a logical unthreaded hole, have on the inner wall that leads to the unthreaded hole with the external screw thread of camera lens carries out the second internal thread that connects soon.
An assembly method of a camera module comprises the following steps:
step 1: providing the lens module and the sensing module;
step 2: and the lens module is screwed and fixed on the sensing module through the lens.
Further, after step 2, the method further comprises:
and step 3: and the camera shooting module is locked and attached on the terminal of the whole machine through the locking and attaching hole on the locking and attaching sheet.
The invention has the following beneficial effects: the lens module is characterized in that a locking sheet is sleeved outside the body part of the lens, then the locking sheet is fixed on the body part of the lens in a screwing mode through the clamping ring in a clamping mode together with the head part of the lens, when a camera module assembled with the lens module is installed on a terminal whole machine, the camera module is in screw locking with the terminal whole machine through a locking hole in the locking sheet, the camera module does not need to be locked through a printed circuit board of the camera module, and the relative angle between a sensor and the lens cannot be influenced due to deformation of the printed circuit board.
Drawings
Fig. 1 is an exploded view of a camera module according to 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, a lens module includes a lens 1, a locking piece 2, and a clip ring 3, wherein,
the lens 1 comprises a head part 11 and a body part 12 which are axially connected, wherein the radius of the head part 11 is larger than that of the body part 12;
the locking sheet 2 is sleeved outside the body part 12 of the lens 1 and is provided with at least one locking hole 23 for locking with the terminal whole machine;
the clamping ring 3 is screwed and fixed outside the body part 12 of the lens 1 and clamps and fixes the locking piece 2 together with the head part 11 of the lens 1.
The lens module is characterized in that a locking sheet 2 is sleeved outside a body part 12 of a lens 1, then the clamping ring 3 is screwed and fixed on the body part 12 of the lens 1 to clamp and fix the locking sheet 2 together with a head part 11 of the lens 1, when a camera module assembled with the lens module is installed on a terminal whole machine, a locking hole 23 on the locking sheet 2 is used for carrying out screw locking with the terminal whole machine, the camera module does not need to be locked through a hole of a printed circuit board 4 of the camera module, the printed circuit board 4 is not deformed due to screw locking, and the relative angle between a sensor and the lens 1 is further influenced.
The outer wall of the body part 12 of the lens 1 is provided with an external thread, and the inner wall of the clamping ring 3 is provided with a first internal thread which is screwed with the external thread on the lens 1. During assembly, the clamping force for clamping and fixing the lock auxiliary sheet 2 can be finely adjusted by rotating the clamping ring 3 to control the clamping ring to move upwards on the body part 12 of the lens 1.
The holding ring 3 is preferably a plastic member, and a flower-shaped concave-convex structure 32 extends from the outer wall of the holding ring to facilitate the assembly personnel to grip with fingers for rotation, and an annular protrusion 31 for holding the locking piece 2 extends from one surface of the locking piece 2.
The radius of the sleeving hole for sleeving the body part 12 of the lens 1 on the locking auxiliary sheet 2 is larger than the radius of the body part 12 (including the external thread) of the lens 1, so that the locking auxiliary sheet 2 can freely move up and down along the body part 12 after being sleeved outside the body part 12 of the lens 1.
The locking auxiliary sheet 2 is preferably an aluminum sheet metal part, and at least one extending sheet 22 for opening the locking hole 23 extends outwards from the annular main body 21, so that when the camera module and the terminal complete machine are in screw locking, the relative angle between the annular main body 21 and the extending sheet 22 of the locking auxiliary sheet 2 can be adjusted through bending and folding, and the view finding direction of the lens 1 is adjusted.
Example two
As shown in fig. 1, a camera module includes a lens module and a sensing module according to the first embodiment, wherein the lens module is screwed and fixed on the sensing module through the lens 1.
The sensing module comprises a printed circuit board 4, a sensor and a module base 5, wherein the sensor is carried on the printed circuit board 4, and the module base 5 is fixedly bonded on the printed circuit board 4 and covers the sensor; the module base 5 is provided with a light through hole above the light sensing surface corresponding to the sensor, and a second internal thread screwed with the external thread of the lens 1 is arranged on the inner wall of the light through hole.
During assembly, after the lens 1 is screwed into the module base 5, the position AA is carried out on the lens 1 and the sensor, and finally, glue dispensing and fixing are carried out between the lens 1 and the module base 5.
The printed circuit board 4 is a hard PCB.
EXAMPLE III
An assembly method of a camera module comprises the following steps:
step 1: providing the lens module and the sensing module in the first embodiment;
the sensing module comprises a printed circuit board 4, a sensor and a module base 5, wherein the sensor is carried on the printed circuit board 4, and the module base 5 is fixedly bonded on the printed circuit board 4 and covers the sensor; the module base 5 is provided with a light through hole above the light sensing surface corresponding to the sensor, and a second internal thread screwed with the external thread of the lens 1 is arranged on the inner wall of the light through hole.
Step 2: and screwing and fixing the lens module on the sensing module through the lens 1.
In step 2, after the lens 1 is screwed into the module base 5, the position AA is performed on the lens 1 and the sensor, and finally, the adhesive is dispensed and fixed between the lens 1 and the module base 5
After the step 2, the method further comprises the following steps:
and step 3: the camera shooting module is locked and attached on the terminal of the whole machine through the locking and attaching hole 23 on the locking and attaching piece 2.
In step 3, the locking hole 23 of the locking piece 2 is locked and fixed to the terminal of the whole device, such as a mobile phone, a tablet or a vehicle-mounted product, by a screw, but not limited to the case of the terminal of the whole device.
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 (7)
1. A camera module is characterized by comprising a lens module and a sensing module, wherein the lens module comprises a lens, a locking piece and a clamping ring, the lens comprises a head part and a body part which are axially connected, the radius of the head part is greater than that of the body part, and the outer wall of the body part is provided with an external thread; the locking sheet is sleeved outside the body of the lens and provided with at least one locking hole for locking with the terminal whole machine; the clamping ring is rotationally fixed outside the body of the lens and clamps and fixes the locking piece together with the head of the lens; the sensing module comprises a printed circuit board, a sensor and a module base, the sensor is carried on the printed circuit board, the module base is fixedly bonded on the printed circuit board and covers the sensor, the module base is provided with a light through hole above a light sensing surface corresponding to the sensor, and the inner wall of the light through hole is provided with a second internal thread which is screwed with the external thread of the lens; the lens module is screwed and fixed in the light through hole of the sensing module through the lens.
2. The camera module of claim 1, wherein the inner wall of the retaining ring has a first internal thread for screwing with an external thread on the lens.
3. The camera module of claim 1 or 2, wherein the retaining ring is a plastic part.
4. The camera module of claim 1, wherein the radius of the receiving hole of the locking plate for receiving the lens is larger than the radius of the lens.
5. The camera module of claim 1 or 4, wherein the locking tab is a sheet metal part.
6. A method of assembling a camera module according to any one of claims 1-5, comprising:
step 1: providing the lens module and the sensing module;
step 2: and the lens module is screwed and fixed on the sensing module through the lens.
7. The method for assembling a camera module of claim 6, further comprising, after step 2:
and step 3: and the camera shooting module is locked and attached on the terminal of the whole machine through the locking and attaching hole on the locking and attaching sheet.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811287232.4A CN109239882B (en) | 2018-10-31 | 2018-10-31 | Lens module, camera module and assembling method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811287232.4A CN109239882B (en) | 2018-10-31 | 2018-10-31 | Lens module, camera module and assembling method |
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| Publication Number | Publication Date |
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| CN109239882A CN109239882A (en) | 2019-01-18 |
| CN109239882B true CN109239882B (en) | 2021-04-30 |
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| CN201811287232.4A Active CN109239882B (en) | 2018-10-31 | 2018-10-31 | Lens module, camera module and assembling method |
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Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110351469B (en) * | 2019-07-29 | 2020-05-12 | 江西联益光学有限公司 | Camera module and assembling process thereof |
| CN110456595A (en) * | 2019-08-28 | 2019-11-15 | 三度文化科技（清远）有限公司 | One kind can be switched fast combination shot head filter |
| CN110673289A (en) * | 2019-09-03 | 2020-01-10 | 福建福光股份有限公司 | Low-cost general type buckle formula M12 interface lens base |
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| JPH09243965A (en) * | 1996-03-07 | 1997-09-19 | Sony Corp | Attaching structure for camera shake correction device |
| CN202975442U (en) * | 2012-11-16 | 2013-06-05 | 同致电子科技（厦门）有限公司 | Camera lens fixing structure of camera |
| CN206301968U (en) * | 2016-11-14 | 2017-07-04 | 同致电子科技（厦门）有限公司 | A kind of connector and the camera comprising connector |
| CN107147834A (en) * | 2017-06-16 | 2017-09-08 | 厦门脉视数字技术有限公司 | One kind monitoring product imaging modules device |
| CN206894765U (en) * | 2017-06-02 | 2018-01-16 | 卡德克斯技术（深圳）有限公司 | A kind of video camera of the video Overlapping display FPV information based on NVP2040 |
| CN207965289U (en) * | 2018-02-02 | 2018-10-12 | 杭州海康威视数字技术股份有限公司 | A kind of lens adjustment device and video camera |
-
2018
- 2018-10-31 CN CN201811287232.4A patent/CN109239882B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH09243965A (en) * | 1996-03-07 | 1997-09-19 | Sony Corp | Attaching structure for camera shake correction device |
| CN202975442U (en) * | 2012-11-16 | 2013-06-05 | 同致电子科技（厦门）有限公司 | Camera lens fixing structure of camera |
| CN206301968U (en) * | 2016-11-14 | 2017-07-04 | 同致电子科技（厦门）有限公司 | A kind of connector and the camera comprising connector |
| CN206894765U (en) * | 2017-06-02 | 2018-01-16 | 卡德克斯技术（深圳）有限公司 | A kind of video camera of the video Overlapping display FPV information based on NVP2040 |
| CN107147834A (en) * | 2017-06-16 | 2017-09-08 | 厦门脉视数字技术有限公司 | One kind monitoring product imaging modules device |
| CN207965289U (en) * | 2018-02-02 | 2018-10-12 | 杭州海康威视数字技术股份有限公司 | A kind of lens adjustment device and video camera |
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| CN109239882A (en) | 2019-01-18 |
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