CN101859011B - Lens module - Google Patents
Lens module Download PDFInfo
- Publication number
- CN101859011B CN101859011B CN200910301410.9A CN200910301410A CN101859011B CN 101859011 B CN101859011 B CN 101859011B CN 200910301410 A CN200910301410 A CN 200910301410A CN 101859011 B CN101859011 B CN 101859011B
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- China
- Prior art keywords
- lens barrel
- pressure ring
- ring
- location division
- lens module
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Abstract
A lens module comprises a lens barrel, an optical component and a chuck ring; wherein the optical component is housed in the lens barrel; the chuck ring is arranged at one end, which is close to the optical component, of the lens barrel and is used for fixing the lenses in the lens barrel; the other end, which is close to the chuck ring, of the lens barrel is provided with first annular clamping portions and first locating portions arranged axially along the lens barrel; the chuck ring is provided with at least two convex arms and second locating portions arranged axially along the chuck ring; the convex arms are provided with second annular clamping portions; one of the first annular clamping portions and one of the second annular clamping portions are of annular protuberance structure and the other one of the first annular clamping portions and the other one of the second annular clamping portions are of annular groove structure matching the annular protuberance structure; the first locating portions and the second locating portions are matched and are used for preventing the chuck ring from rotating relative to the lens barrel. The chuck ring is characterized by directly clamping the annular protuberance structure and the annular groove structure and dispenses with fixation by rotation, thus preventing the chuck ring from loosening due to vibration and being beneficial to improving the assembly yield of the lens module.
Description
Technical field
The present invention relates to a kind of camera lens module.
Background technology
Along with the development of optical image technology, camera lens module is used widely in as digital camera, video camera at various imaging devices, and is integrated with the electronic installation such as mobile phone, notebook computer of camera lens module, obtains especially numerous consumers' favor.
In order to reduce as far as possible the volume of camera lens module, camera lens module often utilizes considerably less part to carry out the fixing of eyeglass.Existing camera lens module fixed form mainly contains by modes such as spaced ring, pressure ring, hot melts.And the fixed form of pressure ring is to process screw thread on pressure ring and lens barrel, by screwing tight pressure ring, thereby eyeglass is fixed in lens barrel.
But after pressure ring screws tight, because carrying or the mobile vibrations that produce tend to cause the part that is spirally connected loosening, thereby cause eyeglass deflection or location inaccurate, cause thus the decline of lens module group assembling yield.In addition, while assembling due to pressure ring, need rotation, may drive eyeglass to rotate, thereby can produce the eccentricity issues of eyeglass.
Summary of the invention
In view of this, be necessary to provide a kind of assembling reliable camera lens module.
A camera lens module, it comprises lens barrel, optical element and pressure ring.Described optical element is contained in lens barrel, and described pressure ring is arranged at lens barrel near one end of described optical element, for described eyeglass is fixed in described lens barrel.Described lens barrel is provided with the first ring-type holding section and the first location division along barrelshift to setting near one end of pressure ring, the second location division that described pressure ring is provided with at least two protruding arms and axially arranges along pressure ring, on described protruding arm, be provided with the second ring-type holding section, one of them is circular protrusion structure for described the first ring-type holding section and described the second ring-type holding section, another is the annular recess structure matching, match in described the first location division and the second location division, for preventing relatively rotating of the relative lens barrel of pressure ring.
The pressure ring of camera lens module provided by the invention utilizes circular protrusion structure directly to engage with annular recess structure, so can not produce because shaking causes pressure ring to move and become flexible vertically, separately the cooperation by the first location division and the second location division prevents relatively rotating of the relative lens barrel of pressure ring, avoid driving eyeglass to rotate the eccentricity issues causing, thereby be conducive to improve the assembling yield of camera lens module.
Accompanying drawing explanation
Fig. 1 is the exploded view of camera lens module provided by the invention.
Fig. 2 is the assembly drawing of the camera lens module of Fig. 1.
Fig. 3 is the cut-open view along the III-III line gained of Fig. 2.
Fig. 4 is the enlarged drawing at the IV place in Fig. 3.
Fig. 5 is the schematic diagram of pressure ring of the camera lens module of Fig. 1.
Embodiment
Refer to Fig. 1 and Fig. 2, a kind of camera lens module 100 that embodiment of the present invention provides, it comprises lens barrel 10, optical element 20 and pressure ring 30.
Described lens barrel 10 is a cylinder-like structure.Described lens barrel 10 comprises first end 11, the second end 12, outer wall 13, inwall 14, the first ring-type holding section 15 and the first location division 16.
Described the first location division 16 is formed on the outer wall 13 of described lens barrel 10, for preventing that described pressure ring 30 from rotating with respect to described lens barrel 10.In present embodiment, described the first location division 16 is formed on the outer wall 13 of first end 11 of described lens barrel 10.Be appreciated that working as described lens barrel 10 is placed on described pressure ring 30 outsides, when described pressure ring 30 contacts with the inwall 14 of described lens barrel 10,16 of described the first location divisions are formed on the inwall 14 of described lens barrel 10.Described the first location division 16 can be feather key structure or sliding groove structure.In present embodiment, described the first location division 16 is four feather key structures that the cross section of equidistantly arranging around described lens barrel 10 is rectangle.On the inwall 14 of the first end 11 of described lens barrel 10, be processed with step-like structure 14a, described step-like structure 14a is for positioning optical element 20.
Refer to Fig. 3 and Fig. 4, described the first ring-type holding section 15 is formed on the outer wall 13 of described lens barrel 10.In present embodiment, described the first ring-type holding section 15 is formed on the outer wall 13 of first end 11 of described lens barrel 10.Be appreciated that working as described lens barrel 10 is placed on outside described pressure ring 30, when described pressure ring 30 contacts with the inwall 14 of described lens barrel 10, described the first ring-type holding section 15 is formed on the inwall 14 of described lens barrel 10.Described ring-type holding section 15 can be circular protrusion structure or endless groove structure.In present embodiment, described the first holding section 15 is circular protrusion structures, and the cross section of described the first ring-type holding section 15 is triangles.Described the first ring-type holding section 15 can be also trapezoidal, and other are beneficial to the shape of engaging polygon or semicircle etc.In present embodiment, for the ease of described pressure ring 30, be pressed into, and prevent that described pressure ring 30 from departing from, the triangle in the cross section of described the first ring-type holding section 15 is ratchet-like, and the wedge angle in cross section is towards the second end 12 of described lens barrel 10.Described the first ring-type holding section 15 can be the domain around described lens barrel 10 1 circles, can be also discontinuous multistage.In present embodiment, described the first ring-type holding section 15 is three domains that enclose around described lens barrel 10 1.
Described optical element 20 is contained in lens barrel 10.In present embodiment, described optical mirror slip 20 is resisted against on the step-like structure 14a of described lens barrel 10.Described optical element 20 can be eyeglass, can be also the optical elements such as optical filter.In present embodiment, described optical element 20 is eyeglasses.
Described pressure ring 30 is placed on lens barrel 10 near one end of optical element 20, for described optical element 20 is fixed in described lens barrel 10.In present embodiment, described pressure ring 30 is placed on the outside of the first end 11 of lens barrel 10.Be appreciated that described pressure ring 30 also can be placed on the inner side of described lens barrel 10 first ends 11.
Refer to Fig. 5, described pressure ring 30 comprises light hole 31, pressure ring outer wall 32, pressure ring inwall 33, at least two protruding arms 34 and the second location divisions 35.Described light hole 31 over against described optical element 20 for printing opacity.Described pressure ring inwall 33 is processed with butting section 33a, for compressing described optical element 20.In present embodiment, described pressure ring 30 comprises four protruding arms 34 of equidistantly arranging around described pressure ring 30.On described protruding arm 34, be processed with the second ring-type holding section 34a.In present embodiment, described the second ring-type holding section 34a is formed on the pressure ring inwall 33 of described pressure ring 30.Be appreciated that when described lens barrel 10 is placed on described pressure ring 30 outside, described the second ring-type holding section 34a is formed on the pressure ring outer wall 32 of described pressure ring 30.Described the second ring-type holding section 34a can be circular protrusion structure or endless groove structure.In present embodiment, described the second ring-type holding section 34a is endless groove structure, and described the second ring-type holding section 34a is the grooved matching with described the first ring-type holding section 15.The grooved of described the second ring-type holding section 34a can be trapezoidal, and other are beneficial to the shape of engaging polygon or semicircle etc.In present embodiment, for the ease of described pressure ring 30, be pressed into, and prevent that described pressure ring 30 from departing from, the cross section of the flute profile of described the second ring-type holding section 34a is ratchet-like, and the wedge angle in cross section is towards described lens barrel 10.
Described the second location division 35 is formed at the pressure ring inwall 33 of described pressure ring 30, for preventing that described pressure ring 30 from rotating with respect to described lens barrel 10.Be appreciated that, when described lens barrel outer wall 13 is placed on described pressure ring 30, described the second location division 35 is formed on the pressure ring outer wall 32 of described pressure ring 30.Described the second location division 35 can be feather key structure or sliding groove structure.In present embodiment, described the second location division 35 is four sliding groove structures that cross section is rectangle that match with described the first location division 16, and described the second location division 35 interlocks and equidistantly arranges around described pressure ring 30 with described protruding arm 34.
The pressure ring of camera lens module provided by the invention utilizes circular protrusion structure directly to engage with annular recess structure, so can not produce because shaking causes pressure ring to move and become flexible vertically, separately the cooperation by the first location division and the second location division prevents relatively rotating of the relative lens barrel of pressure ring, avoid driving eyeglass to rotate the eccentricity issues causing, thereby be conducive to improve the assembling yield of camera lens module.
Those skilled in the art will be appreciated that; above embodiment is only for the present invention is described; and be not used as limitation of the invention; as long as within connotation scope of the present invention, within the appropriate change that above embodiment is done and variation all drop on the scope of protection of present invention.
Claims (9)
1. a camera lens module, it comprises lens barrel, optical element and pressure ring, described optical element is contained in lens barrel, described pressure ring is arranged at lens barrel near one end of described optical element, for described optical element is fixed in described lens barrel, it is characterized in that, described lens barrel is provided with the first ring-type holding section and the first location division along barrelshift to setting near one end of pressure ring, the second location division that described pressure ring is provided with at least two protruding arms of equidistantly arranging around this pressure ring and axially arranges along pressure ring, on described protruding arm, be provided with the second ring-type holding section, one of them is circular protrusion structure for described the first ring-type holding section and described the second ring-type holding section, another is annular recess structure with matching, match in described the first location division and the second location division, for preventing relatively rotating of the relative lens barrel of pressure ring.
2. camera lens module as claimed in claim 1, is characterized in that, the cross section of described circular protrusion structure is triangle, trapezoidal, polygon or semicircle.
3. camera lens module as claimed in claim 2, is characterized in that, the cross section of described circular protrusion structure is ratchet-like.
4. camera lens module as claimed in claim 3, is characterized in that, described circular protrusion structure is arranged on described the first ring-type holding section, and the wedge angle in its cross section towards described lens barrel the one end away from described pressure ring.
5. camera lens module as claimed in claim 3, is characterized in that, described circular protrusion structure is arranged on described the second ring-type holding section, and the wedge angle in its cross section is towards described lens barrel.
6. camera lens module as claimed in claim 1, is characterized in that, described pressure ring is placed on described lens barrel near the outside, one end of pressure ring.
7. camera lens module as claimed in claim 1, is characterized in that, described pressure ring is placed on described lens barrel near the inner side, one end of pressure ring.
8. camera lens module as claimed in claim 1, is characterized in that, described the first location division is feather key structure, and described the second location division is the sliding groove structure matching with described the first location division.
9. camera lens module as claimed in claim 1, is characterized in that, described the first location division is sliding groove structure, and described the second location division is the feather key structure matching with described the first location division.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200910301410.9A CN101859011B (en) | 2009-04-08 | 2009-04-08 | Lens module |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200910301410.9A CN101859011B (en) | 2009-04-08 | 2009-04-08 | Lens module |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN101859011A CN101859011A (en) | 2010-10-13 |
| CN101859011B true CN101859011B (en) | 2014-03-26 |
Family
ID=42945016
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN200910301410.9A Expired - Fee Related CN101859011B (en) | 2009-04-08 | 2009-04-08 | Lens module |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN101859011B (en) |
Families Citing this family (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102023363A (en) * | 2010-11-17 | 2011-04-20 | 泉州市东南光电有限公司 | Lens fixing device for improving imaging quality of camera lens |
| CN102494958A (en) * | 2011-12-12 | 2012-06-13 | 四川大学 | Assembled size-changeable double-face shear apparatus |
| US9746636B2 (en) * | 2012-10-19 | 2017-08-29 | Cognex Corporation | Carrier frame and circuit board for an electronic device |
| CN103676065B (en) * | 2013-10-31 | 2016-01-06 | 中国科学院上海光学精密机械研究所 | The regulation fixing apparatus of Large Aperture Lenses |
| CN104101980B (en) * | 2014-06-30 | 2017-06-27 | 南昌欧菲光电技术有限公司 | Camera module |
| CN109143530B (en) * | 2017-06-16 | 2021-06-18 | 宁波舜宇光电信息有限公司 | Lens and camera module comprising same |
| CN109884764A (en) * | 2017-12-06 | 2019-06-14 | 深圳光峰科技股份有限公司 | Lens module and projection device |
| WO2020215963A1 (en) * | 2019-04-22 | 2020-10-29 | 宁波舜宇光电信息有限公司 | Optical lens, camera module, and method for manufacturing optical lens |
| CN110376698B (en) * | 2019-06-27 | 2024-06-07 | 博众精工科技股份有限公司 | Lens cone for installing lens and anti-loose lens of lens |
| CN110646576A (en) * | 2019-10-14 | 2020-01-03 | 武汉市天泉慧源环保科技有限公司 | Water quality safety monitor |
| 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)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1746761A (en) * | 2004-09-10 | 2006-03-15 | 安捷伦科技有限公司 | Variable focus optic module and optic system |
| CN2874540Y (en) * | 2006-01-18 | 2007-02-28 | 凤凰光学(广东)有限公司 | Lens focus regulating structure of camera |
| CN101124503A (en) * | 2006-04-13 | 2008-02-13 | 里程碑株式会社 | Imaging lens advancing device and method of assembling the same |
| US7367724B2 (en) * | 2003-12-02 | 2008-05-06 | Fujitsu Limited | Imaging device, method of production of same, and holding mechanism of same |
| CN101387727A (en) * | 2007-09-14 | 2009-03-18 | 鸿富锦精密工业（深圳）有限公司 | Lens module |
-
2009
- 2009-04-08 CN CN200910301410.9A patent/CN101859011B/en not_active Expired - Fee Related
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US7367724B2 (en) * | 2003-12-02 | 2008-05-06 | Fujitsu Limited | Imaging device, method of production of same, and holding mechanism of same |
| CN1746761A (en) * | 2004-09-10 | 2006-03-15 | 安捷伦科技有限公司 | Variable focus optic module and optic system |
| CN2874540Y (en) * | 2006-01-18 | 2007-02-28 | 凤凰光学(广东)有限公司 | Lens focus regulating structure of camera |
| CN101124503A (en) * | 2006-04-13 | 2008-02-13 | 里程碑株式会社 | Imaging lens advancing device and method of assembling the same |
| CN101387727A (en) * | 2007-09-14 | 2009-03-18 | 鸿富锦精密工业（深圳）有限公司 | Lens module |
Also Published As
| Publication number | Publication date |
|---|---|
| CN101859011A (en) | 2010-10-13 |
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Granted publication date: 20140326 Termination date: 20170408 |