CN102375196A - Lens barrel and camera module - Google Patents
Lens barrel and camera module Download PDFInfo
- Publication number
- CN102375196A CN102375196A CN2010102472916A CN201010247291A CN102375196A CN 102375196 A CN102375196 A CN 102375196A CN 2010102472916 A CN2010102472916 A CN 2010102472916A CN 201010247291 A CN201010247291 A CN 201010247291A CN 102375196 A CN102375196 A CN 102375196A
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- Prior art keywords
- body portion
- hollow body
- lens barrel
- body part
- optical element
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Abstract
The invention relates to a lens barrel, which comprises a hollow main body part. An accommodating cavity is formed on the inner surface of the hollow main body part. The hollow main body part is provided with a first end and a second end opposite to the first end. The first end is provided with a lip part. The lens barrel further comprises a cover body part. The cover body part is fixedly connected with the second end of the hollow main body part into a whole in a clamping way. The invention also relates to a camera module provided with the lens barrel.
Description
Technical field
The present invention relates to field of optical systems, relate in particular to a kind of lens barrel and adopt the camera module of this lens barrel.
Background technology
Along with the development of camera technique, the camera module is used widely in the camera head of various uses, and the camera module combines with various portable electron devices such as mobile phone, computing machine etc., more obtains numerous consumers' favor.The camera module generally includes lens barrel and is contained in a plurality of optical elements in the lens barrel.
In camera module assembling process, adopt dispensing method that optical element is fixed in the lens barrel usually.Yet; This method usually can apply inhomogeneous and owing to reasons such as optical element and lens barrel contact area are less because of colloidin, glue; Make clinging power variation between lens barrel and the optical element; Directly cause optical element to be easy to come off, thereby not only reduced the assembling yield between lens barrel and the optical element, and make the camera module be easy to lose efficacy from lens barrel.In addition; In a glue process; Glue also is easy to overflow between the ancient piece of jade, round, flat and with a hole in its centre and optical element side in the lens barrel; And then flow on the upper and lower surfaces or other optical element adjacent with this optical element of this optical element, thereby influenced the image quality of optical element, and then reduced the quality of camera module imaging.
Summary of the invention
In view of this, be necessary to provide a kind of camera module that need not the lens barrel that a glue can be fixing with optical element and have this lens barrel.
A kind of lens barrel comprises a hollow body portion.The inside surface of this hollow body portion surrounds and forms a host cavity.This hollow body portion have first end, with this first end second opposed end.This first end extends to form a lip limit portion along this hollow body portion circumferencial direction to this lens barrel inside by this hollow body portion.This lens barrel further comprises a cover body part, and this cover body part is fixed through second end of engaging mode and this hollow body portion to be one.
A kind of camera module comprises lens barrel and at least one optical element.This lens barrel comprises hollow body portion.This hollow body portion comprise first end, with this first end second opposed end.The inside surface of this hollow body portion surrounds and forms a cylindrical host cavity.This host cavity is used to accommodate this at least one optical element.This first end extends to form a lip limit portion along this hollow body portion circumferencial direction to this lens barrel inside by this hollow body portion.This lens barrel further comprises a cover body part.This cover body part is fixed through second end of engaging mode and this hollow body portion to be one, and should be pressed between this cover body part and this lip limit portion by at least one optical element.
Mode is fixed to be one through engaging with cover body part in the hollow body portion of the lens barrel that embodiment of the present invention provides, thereby can at least one optical element be pressed between this cover body part and this lip limit portion, has saved some glue process.Because pressing and the restriction of lip limit portion of cover body part, so the optical element in the lens barrel is difficult to come off from lens barrel, the camera module with this lens barrel is not fragile, and the life-span is long.In addition, owing to need not a glue, so optical element surface can not covered by glue, the image quality of camera module with this optical element is also higher.
Description of drawings
Fig. 1 is the combination synoptic diagram of the camera module that provides of the embodiment of the invention.
Fig. 2 is the decomposing schematic representation of the camera module among Fig. 1.
Fig. 3 is that camera module among Fig. 1 is along the cut-open view of III-III line.
Fig. 4 is the enlarged drawing of the part IV that engages each other of main part and the cover body part of the camera module among Fig. 3.
The main element symbol description
First optical element 20
Second optical element 30
The 3rd optical element 40
Microscope base 50
Image sensor 60
Hollow body portion 110
First end 101
External thread 103
Light hole 104,125
Host cavity 105
Lip limit portion 1010
Cover body part 120
End face 123
Internal thread 510
Embodiment
Please consult Fig. 1, Fig. 2 and Fig. 3 in the lump, the camera module 100 that embodiment of the present invention provided comprises lens barrel 10, first optical element 20, second optical element 30, the 3rd optical element 40, is spirally connected to the microscope base 50 of one, is contained in the image sensor 60 of microscope base 50 bottoms and is used to carry the circuit board 70 of image sensor 60 with lens barrel 10.In this embodiment, first optical element 20, second optical element 30 and the 3rd optical element 40 are all for by optic and the eyeglass formed around the peripheral non-optical division (being outer part) of optic.
In this embodiment, lens barrel 10 is a hollow circular cylinder, and it comprises hollow body portion 110 and the cover body part 120 that fixes as one through engaging mode with hollow body portion 110.
Hollow body portion 110 comprises first end 101, with first end, 101 second opposed end 102 and be located at the external thread 103 of hollow body portion 110 outer walls.
First end 101 of lens barrel 10 extends to form a lip limit portion 1010 along hollow body portion 110 circumferencial directions to lens barrel 10 inside by hollow body portion 110.Lip limit portion 1010 is used for first optical element 20, second optical element 30 and the 3rd optical element 40 are limited in the lens barrel 10.Lip limit portion 1010 also is used to limit a light hole 104, makes that the light through first optical element 20, second optical element 30 and the 3rd optical element 40 can pass from light hole 104, and is received by image sensor 60.Certainly, also can be provided with a plurality of holes spaced apart or groove in the lip limit portion 1010.
The inside surface of hollow body portion 110 surrounds and forms a host cavity 105.Host cavity 105 is connected with light hole 104, is used to accommodate first optical element 20, second optical element 30 and the 3rd optical element 40.In this embodiment, lens barrel 10 is made of plastics.
The end face 123 that cover body part 120 comprises bottom surface 121 near second end 102, deviate from bottom surface 121 mutually and run through bottom surface 121 and the light hole 125 of end face 123.Light hole 125 is connected with host cavity 105, so that extraneous light can pass cover body part 120, thereby gets into first optical element 20, second optical element 30 and the 3rd optical element 40.
Cover body part 120 also comprises the sidewall 127 that extended to form to the direction away from bottom surface 121 by bottom surface 121 peripheries, and the bottom surface of sidewall 127 and cover body part 120 121 is common limits a resettlement section 128.Resettlement section 128 is used to accommodate second end 102 of hollow body portion 110; So that cover body part 120 can fix as one through engaging mode with hollow body portion 110, and first optical element 20, second optical element 30 and the 3rd optical element 40 be pressed between the bottom surface 121 and lip limit portion 1010 of cover body part 120.In this embodiment, the end face butt of the bottom surface 121 of cover body part 120 and the non-optical division of first optical element 20.
Preferably, please consult Fig. 4 in the lump, in this embodiment, second end 102 of hollow body portion 110 extends to form an annular protrusion 106 along this hollow body portion circumferencial direction to lens barrel 10 outsides by hollow body portion 110.The inside surface of the sidewall 127 of cover body part 120 bodies is provided with an annular groove 129 around light hole 125.Annular groove 129 is used to accommodate annular protrusion 106, so that cover body part 120 fixes as one through engaging mode with hollow body portion 110 better.Certainly, also can be provided with a plurality of holes spaced apart or groove on the annular protrusion 106.
Image sensor 60 is contained in the bottom of microscope base 50, is used for the light of sensing through first optical element 20, second optical element 30 and the 3rd optical element 40, and forms image.
Certainly, can press from both sides between first optical element 20 and second optical element 30, second optical element 30 and the 3rd optical element 40 and establish a plurality of optical elements (like eyeglass, distance piece, optical filter), be not limited to this embodiment.Certainly, first optical element 20 and the 3rd optical element 40 also can be other optical element (like distance piece, optical filter etc.) except that eyeglass.
In assembling process, earlier the 3rd optical element 40, second optical element 30 and first optical element 20 are gone into hollow body portion 110 for 102 groups from second end successively.Then, mode is fixed to be one through engaging with cover body part 120 and hollow body portion 110, and first optical element 20, second optical element 30 and the 3rd optical element 40 are pressed between cover body part 120 and the lip limit portion 1010.Then lens barrel 10 and microscope base 50 being spirally connected is one, and the image sensor 60 that will be located on the circuit board 70 is contained in the bottom of microscope base 50, thereby accomplishes the assembling of camera module 100.
Mode is fixed to be one through engaging for the hollow body portion 110 of lens barrel 10 and cover body part 120, and first optical element 20, second optical element 30 and the 3rd optical element 40 are pressed between cover body part 120 and the lip limit portion 1010, has saved some glue process.Because pressing and the restriction of lip limit portion 1010 of cover body part 120, so the optical elements in the lens barrel 10 are difficult to come off from lens barrel 10, camera module 100 is not fragile yet, and the life-span is long.In addition, owing to need not a glue, so optical element surface can not damaged by glue, the image quality of camera module 100 with optical element is also higher.
In addition, those skilled in the art can also do other variation in spirit of the present invention, and certainly, these all should be included within the present invention's scope required for protection according to the variation that the present invention's spirit is done.
Claims (8)
1. lens barrel; This lens barrel comprises a hollow body portion, and the inside surface of this hollow body portion surrounds and forms a host cavity, this hollow body portion have first end, with this first end second opposed end; It is characterized in that; This first end extends to form a lip limit portion along this hollow body portion circumferencial direction to this lens barrel inside by this hollow body portion, and this lens barrel further comprises a cover body part, and this cover body part is fixed through second end of engaging mode and this hollow body portion to be one.
2. lens barrel as claimed in claim 1; It is characterized in that; This cover body part comprises the sidewall that is extended to form to the direction away from this bottom surface by the periphery of this bottom surface near the bottom surface of this second end and, and the bottom surface of this sidewall and this cover body part is common limits second end that a resettlement section is used to accommodate this hollow body portion.
3. lens barrel as claimed in claim 2; It is characterized in that; Second end of this hollow body portion extends to form an annular protrusion along this hollow body portion circumferencial direction to this lens barrel outside by this hollow body portion; The inside surface of side wall of this cover body part is provided with an annular groove around this light hole, and this annular groove is used to accommodate this annular protrusion.
4. lens barrel as claimed in claim 1 is characterized in that the outer wall of this hollow body portion is provided with external thread.
5. camera module; This camera module comprises lens barrel and at least one optical element; This lens barrel comprises hollow body portion, this hollow body portion comprise first end, with this first end second opposed end, the inside surface of this hollow body portion surrounds and forms a host cavity; This host cavity is used to accommodate this at least one optical element; It is characterized in that this first end extends to form a lip limit portion along this hollow body portion circumferencial direction to this lens barrel inside by this hollow body portion, this lens barrel further comprises a cover body part; This cover body part is fixed through second end of engaging mode and this hollow body portion to be one, and should be pressed between this cover body part and this lip limit portion by at least one optical element.
6. camera module as claimed in claim 5; It is characterized in that; This cover body part comprises the sidewall that is extended to form to the direction away from this bottom surface by the periphery of this bottom surface near the bottom surface of this second end and, and the bottom surface of this sidewall and this cover body part is common limits second end that one second end resettlement section is used to accommodate this hollow body portion.
7. camera module as claimed in claim 6; It is characterized in that; Second end of this hollow body portion extends to form an annular protrusion along this hollow body portion circumferencial direction to this lens barrel outside by this hollow body portion; The inside surface of side wall of this cover body part is provided with an annular groove around this light hole, and this annular groove is used to accommodate this annular protrusion.
8. camera module as claimed in claim 5 is characterized in that the outer wall of this hollow body portion is provided with external thread; This camera module further comprises a hollow microscope base; This microscope base has internal thread, and the use that matches with this external thread of this internal thread is an one so that this lens barrel and this microscope base are spirally connected.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010102472916A CN102375196A (en) | 2010-08-06 | 2010-08-06 | Lens barrel and camera module |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010102472916A CN102375196A (en) | 2010-08-06 | 2010-08-06 | Lens barrel and camera module |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN102375196A true CN102375196A (en) | 2012-03-14 |
Family
ID=45794058
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010102472916A Pending CN102375196A (en) | 2010-08-06 | 2010-08-06 | Lens barrel and camera module |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN102375196A (en) |
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108319034A (en) * | 2018-02-27 | 2018-07-24 | 广东欧珀移动通信有限公司 | Laser projection module, depth camera and electronic device |
| CN108344374A (en) * | 2018-02-27 | 2018-07-31 | 广东欧珀移动通信有限公司 | Laser projection module, depth camera and electronic device |
| CN108681094A (en) * | 2018-03-12 | 2018-10-19 | 广东欧珀移动通信有限公司 | Laser projection module, depth camera and electronic device |
| TWI662311B (en) * | 2017-02-06 | 2019-06-11 | 大陸商光寶電子（廣州）有限公司 | Optical assembly and camera module |
| CN110572555A (en) * | 2019-09-30 | 2019-12-13 | 维沃移动通信有限公司 | Optical module and electronic equipment |
| CN111399156A (en) * | 2018-06-28 | 2020-07-10 | Oppo广东移动通信有限公司 | Laser projector, image acquisition device and electronic equipment |
| US10859784B2 (en) | 2017-02-06 | 2020-12-08 | Lite-On Electronics (Guangzhou) Limited | Optical assembly and camera module |
| WO2021174456A1 (en) * | 2020-03-04 | 2021-09-10 | 南昌欧菲精密光学制品有限公司 | Lens module and electronic device |
Citations (5)
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| US5673083A (en) * | 1989-03-17 | 1997-09-30 | Hitachi, Ltd. | Semiconductor device and video camera unit having the same and method for manufacturing the same |
| CN1959517A (en) * | 2005-11-04 | 2007-05-09 | 鸿富锦精密工业（深圳）有限公司 | Retention set, and lens module of using the set |
| CN1980325A (en) * | 2005-12-02 | 2007-06-13 | 鸿富锦精密工业（深圳）有限公司 | Digit tode camera module group |
| CN201096944Y (en) * | 2007-08-21 | 2008-08-06 | 三星高新电机（天津）有限公司 | Mobile phone camera for supporting positioning no focus zoom |
| CN101295063A (en) * | 2007-04-29 | 2008-10-29 | 鸿富锦精密工业（深圳）有限公司 | Lens module and camera module group |
-
2010
- 2010-08-06 CN CN2010102472916A patent/CN102375196A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5673083A (en) * | 1989-03-17 | 1997-09-30 | Hitachi, Ltd. | Semiconductor device and video camera unit having the same and method for manufacturing the same |
| CN1959517A (en) * | 2005-11-04 | 2007-05-09 | 鸿富锦精密工业（深圳）有限公司 | Retention set, and lens module of using the set |
| CN1980325A (en) * | 2005-12-02 | 2007-06-13 | 鸿富锦精密工业（深圳）有限公司 | Digit tode camera module group |
| CN101295063A (en) * | 2007-04-29 | 2008-10-29 | 鸿富锦精密工业（深圳）有限公司 | Lens module and camera module group |
| CN201096944Y (en) * | 2007-08-21 | 2008-08-06 | 三星高新电机（天津）有限公司 | Mobile phone camera for supporting positioning no focus zoom |
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| TWI662311B (en) * | 2017-02-06 | 2019-06-11 | 大陸商光寶電子（廣州）有限公司 | Optical assembly and camera module |
| US10859784B2 (en) | 2017-02-06 | 2020-12-08 | Lite-On Electronics (Guangzhou) Limited | Optical assembly and camera module |
| CN108319034A (en) * | 2018-02-27 | 2018-07-24 | 广东欧珀移动通信有限公司 | Laser projection module, depth camera and electronic device |
| CN108344374A (en) * | 2018-02-27 | 2018-07-31 | 广东欧珀移动通信有限公司 | Laser projection module, depth camera and electronic device |
| CN108681094A (en) * | 2018-03-12 | 2018-10-19 | 广东欧珀移动通信有限公司 | Laser projection module, depth camera and electronic device |
| CN111399156A (en) * | 2018-06-28 | 2020-07-10 | Oppo广东移动通信有限公司 | Laser projector, image acquisition device and electronic equipment |
| CN111399156B (en) * | 2018-06-28 | 2022-10-28 | Oppo广东移动通信有限公司 | Laser projector, image acquisition device and electronic equipment |
| CN110572555A (en) * | 2019-09-30 | 2019-12-13 | 维沃移动通信有限公司 | Optical module and electronic equipment |
| WO2021174456A1 (en) * | 2020-03-04 | 2021-09-10 | 南昌欧菲精密光学制品有限公司 | Lens module and electronic device |
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| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
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| C02 | Deemed withdrawal of patent application after publication (patent law 2001) | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20120314 |