CN102135657A - Sectional type focusing lens module - Google Patents
Sectional type focusing lens module Download PDFInfo
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- CN102135657A CN102135657A CN2010103005954A CN201010300595A CN102135657A CN 102135657 A CN102135657 A CN 102135657A CN 2010103005954 A CN2010103005954 A CN 2010103005954A CN 201010300595 A CN201010300595 A CN 201010300595A CN 102135657 A CN102135657 A CN 102135657A
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- arc notch
- lens barrel
- microscope base
- lens
- sectional type
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Abstract
The invention relates to a sectional type focusing lens module, which comprises a lens barrel, a lens seat, a focusing ring and an elastic element, wherein the lens barrel comprises a bottom surface being opposite to the lens seat; the lens seat comprises a top surface being opposite to the lens barrel; a first arc-shaped gap and a second arc-shaped gap are formed on at least one surface of the bottom surface of the lens barrel and the top surface of the lens seat; the depths of the first arc-shaped gap and the second arc-shaped gap along the direction of an optical axis are different; the focusing ring is arranged between the bottom surface of the lens barrel and the top surface of the lens seat, and a bulge is formed on the focusing ring; one end of the elastic element is fixed at the lens barrel, and the other end of the elastic element is fixed in the lens seat; the elastic element gives a pulling force to the lens barrel so as to clamp the focusing ring between the lens barrel and the lens seat; the focusing ring is rotated, and the bulge of the focusing ring can move between the first arc-shaped gap and the second arc-shaped gap; furthermore, the lens barrel is driven to move in the direction of the optical axis, the focusing structure is simple, and miniaturization of the lens module can be realized.
Description
Technical field
The present invention relates to a kind of sectional type focusing lens module.
Background technology
Along with the continuous development of science and technology and modern industry, image products such as portable digital camera, camera cell phone are widely used.Therefore the quality of the focusing lens module in these products also more and more receives dealer's concern.
The focusing structure of present photographic system, quite a few is to adopt sectional type optics focusing structure, existing sectional type focus lens structure generally is provided with structures such as inductive coil, magnetic element and comes moving lens to focus, but cause the camera lens module need reserve the accommodation space of inductive coil, magnetic element etc. like this, increased the volume of whole camera lens module, also more complicated of the focusing structure of camera lens module in addition, assembling inconvenience.
Summary of the invention
In view of this, be necessary to provide a kind of miniaturization, focusing sectional type focusing lens module simple in structure.
A kind of sectional type focusing lens module, it comprises lens barrel, microscope base, focusing ring and flexible member.Described lens barrel has one and described microscope base opposed bottom surface.Described microscope base has an end face relative with lens barrel.Be formed with first arc notch and second arc notch in the bottom surface of described lens barrel and the end face of described microscope base at least one face.Described first arc notch is different along the degree of depth of optical axis direction with second arc notch.Described focusing ring is arranged between the end face of the bottom surface of described lens barrel and microscope base, is formed with projection on it.Described flexible member one end is fixed in described lens barrel, and the other end is fixed in the described microscope base.Described flexible member gives described lens barrel one pulling force, and described focusing ring is clamped between lens barrel and the microscope base.Rotate described focusing ring, the projection of described focusing ring can move between described first arc notch and second arc notch.
Compared to prior art, sectional type focusing lens module of the present invention moves the projection on the focusing ring by rotating focusing ring between a plurality of breach on the camera lens module, drive lens barrel moving on optical axis direction, it is simple in structure to focus, and can realize the miniaturization of camera lens module.
Description of drawings
Fig. 1 is the decomposition texture synoptic diagram of the sectional type focusing lens module of first embodiment of the invention.
Fig. 2 is the package assembly synoptic diagram of the sectional type focusing lens module among Fig. 1.
Fig. 3 is that sectional type focusing lens module among Fig. 2 is along the schematic cross-section of III-III.
Fig. 4 is that sectional type focusing lens module among Fig. 2 is along the schematic cross-section of IV-IV.
Fig. 5 is the decomposition texture synoptic diagram of the sectional type focusing lens module of second embodiment of the invention.
Fig. 6 is the decomposition texture synoptic diagram of the sectional type focusing lens module of third embodiment of the invention.
Main numbered elements explanation
Sectional type focusing lens module 10,20,30
Focusing ring 300,300 ', 300 "
Outer lens barrel 120,120 '
Holding part 220,220 '
Catch 310
Projection 320,320 ', 320 "
External thread 113
Bottom surface 121
Internal thread 123
Through hole 221
Microscope base end face 222
First arc lacks 1221
The 3rd arc notch 2221
The 4th arc notch 2222
The first hole 10a
The second hole 10b
Embodiment
Below with reference to the drawings, the present invention is described in further detail.
Embodiment one
See also Fig. 1 to Fig. 4, a kind of sectional type focusing lens module 10 that first embodiment of the invention provides, it comprises a lens barrel 100, microscope base 200, a focusing ring 300 and a flexible member 400.
Described lens barrel 100 comprises an inner lens cone 110 and an outer lens barrel 120.Described inner lens cone 110 is cylindric, and its inside contains elements such as lens combination, spaced ring and optical filter (figure does not show).Second end 112 that described inner lens cone 110 comprises first end 11 1 that is positioned at the thing side and is positioned at the picture side.Described first end 11 1 is one discoid, and its marginating compartment offers a plurality of grooves 1111 uniformly, and described groove 1111 is used to be convenient to rotate described inner lens cone 110, so that described inner lens cone 110 is assembled in the described outer lens barrel 120.Described inner lens cone 110 is formed with external thread 113 near on the surface of its first end 111.
Described outer lens barrel 120 is one cylindric, and it is used to be socketed in described inner lens cone 110.Described outer lens barrel 120 comprises and described microscope base 200 opposed bottom surface 121 and the end face 122 relative with described bottom surface 121.The optical axis direction of the described camera lens module 10 in 121 upper edges, described bottom surface offers the first adjacent arc notch 1221 and second arc notch 1222.Described first arc notch 1221 in the degree of depth on the optical axis direction greater than the degree of depth of described second arc notch 1222 on optical axis direction.In the present embodiment, described bottom surface 121 offers two second arc notch 1222 that the first relative arc notch 1221 is relative with two.The inside surface of described outer lens barrel 120 is formed with the internal thread 123 relative with the external thread 113 of described inner lens cone 110.
When assembling, rotate first end 111 of described inner lens cone 110, described inner lens cone 110 can be screwed in the described outer lens barrel 120.Certainly, described inner lens cone 110 and described outer lens barrel 120 can be formed in one.
Described microscope base 200 comprises base 210 and is formed on holding part 220 on the described base 210.It is one cylindric that described holding part 220 is, and the diameter of its diameter and described outer lens barrel 120 is suitable.Described holding part 220 offers the through hole 221 of accommodating described inner lens cone 110 and described flexible member 400.Described holding part 220 also comprise one toward described camera lens module 10 thing sides and with described outside the relative microscope base end face 222 in bottom surface 121 of lens barrel 120, described camera lens module 10 optical axis directions in described microscope base end face 222 upper edges offer with described first arc notch, 1221 corresponding the 3rd arc notch 2221 and with described second arc notch, 1222 corresponding the 4th arc notch 2222, and described the 3rd arc notch 2221 in the degree of depth on the optical axis direction greater than the degree of depth of described the 4th arc notch 222 on optical axis direction.Described first arc notch 1221 is identical with described the 3rd arc notch 2221 shape sizes, and both are corresponding can to constitute one first hole 10a.Described second arc notch 1222 is identical with described the 4th arc notch 2222 shape sizes, and both are corresponding can to constitute one second hole 10b.
Described focusing ring 300 is one circular, and the diameter of the holding part 220 of its diameter and described outer lens barrel 120 and described microscope base 200 is suitable.Described focusing ring 300 is arranged between the microscope base end face 222 of described 120 bottom surface 121 and described holding part 220.Described focusing ring 300 lens barrel 120 and described microscope base 200 directions outside described vertically extend to form a plurality of catch 310 respectively, described catch 310 can abut on the inwall of described outer lens barrel 120 and described microscope base 200 holding parts 220, prevent that described focusing ring 300 from moving on vertical described optical axis direction, thereby break away from described outer lens barrel 120 and holding part 220.In the present embodiment, form two relative catch 310 on the described focusing ring 300.The end face of described focusing ring 300 lens barrel 120 outside described and protrude respectively towards the end face of described microscope base 200 and to be formed with projection 320, described projection 320 constitutes an axial cylindrical shape vertical with described optical axis direction.In the present embodiment, the size of the first hole 10a that the diameter of described columned projection 320 and described first arc notch 1221 and described the 3rd arc notch 2221 constitute is suitable.
Described flexible member 400 is housed in the holding part 220 of described microscope base 200, and the socket of one end also is fixed on second end 112 of described inner lens cone 110, and the other end is fixed on holding part 220 inwalls of described microscope base 200.Described flexible member 400 gives the pulling force of described inner lens cone 110 towards described camera lens module 10 picture side directions.In the present embodiment, described flexible member 400 is a spring.
During assembling, described inner lens cone 110 is screwed in the described outer lens barrel 120, described outer lens barrel 120 is alignd with the holding part 220 of described microscope base 200, make described first arc notch 1221 and described the 3rd arc notch 2221 constitute the first hole 10a, described second arc notch 1222 constitutes the second hole 10b with described the 4th arc notch 2222.Described focusing ring 300 is arranged between the microscope base end face 222 of the bottom surface 121 of described outer lens barrel 120 and described holding part 220, the catch 310 of described focusing ring 300 is attached on the inwall of holding part 220 of described outer lens barrel 120 and described microscope base 200, and described projection 320 is contained among the described first hole 10a.Described flexible member 400 1 end sockets are fixed on second end 112 of described inner lens cone 110, and the other end with described flexible member 400 is fixed in the described microscope base 200 at last.Along described camera lens module 10 picture side directions, described flexible member 400 gives described inner lens cone 110 1 pulling force, thereby described focusing ring 300 is clamped between lens barrel 100 and the microscope base 200.
During use, rotate described focusing ring 300, the projection 320 of described focusing ring 300 is skidded off among the described first hole 10a, engage among the described second hole 10b, move at optical axis direction thereby drive described lens barrel 100.To the described focusing ring 300 of back rotation, make described projection 320 skid off the described second hole 10b, and be fastened among the described first hole 10a, described lens barrel 100 is returned to initial position by the pulling force of described flexible member 400.Therefore by rotating described focusing ring 300, the projection 320 of described focusing ring 300 can be slided in the described first hole 10a He among the described second hole 10b, and then it is mobile between two positions on the optical axis direction to drive described lens barrel 100, has realized the branch end formula focusing of described camera lens module 10.
Be understandable that, described outer lens barrel 120 is formed with a plurality of arc notch, on the holding part 220 of described microscope base 200 also correspondence be formed with a plurality of arc notch, described outer lens barrel 120 can be formed with a plurality of holes with described holding part 220 combinations, thereby can be so that lens barrel 100 moves between a plurality of positions on the optical axis direction.
Embodiment two
See also Fig. 5, described embodiment two and described embodiment one different are to offer the 3rd arc notch 2221 and the 4th arc notch 2222 that the degree of depth is different on optical axis direction on the microscope base end face 222 of described microscope base 200, be not provided with arc notch on the described outer lens barrel 120 ', the outstanding projection 320 ' that forms on described focusing ring 300 ' and described microscope base 200 opposing end faces, described projection 320 ' is a semi-cylindrical form, and axial vertical optical axis.
During use, rotate described focusing ring 300 ', described projection 320 ' can be slided between described the 3rd arc notch 2221 that forms on the microscope base end face 222 of described microscope base 200 and the 4th arc notch 2222, and then it is mobile between two positions on the optical axis direction to drive described lens barrel 100, has realized the branch end formula focusing of described camera lens module 20.
Embodiment three
See also Fig. 6, described embodiment three and described embodiment one different are to offer first arc notch 1221 and second arc notch 1222 that the degree of depth is different on optical axis direction on the bottom surface 121 of described outer lens barrel 120, be not provided with arc notch on the holding part 220 ' of described microscope base 200, described focusing ring 300 " with described outer lens barrel 120 opposing end faces on outstanding formation one projection 320 ", described projection 320 " be a semi-cylindrical form, and axial vertical optical axis.
During use, rotate described focusing ring 300 "; described projection 320 " slide between described first arc notch 1221 that can be outside described forms on the lens barrel 120 and second arc notch 1222, and then it is mobile between two positions on the optical axis direction to drive described lens barrel 100, has realized the branch end formula focusing of described camera lens module 30.
Compared to prior art, sectional type focusing lens module of the present invention moves the projection on the focusing ring by rotating focusing ring between a plurality of breach on the camera lens module, drive lens barrel moving on optical axis direction, it is simple in structure to focus, and can realize the miniaturization of camera lens module.
Be understandable that, for the person of ordinary skill of the art, can make change and the distortion that other various pictures are answered by technical conceive according to the present invention, and all these change the protection domain that all should belong to claim of the present invention with distortion.
Claims (10)
1. sectional type focusing lens module, it comprises lens barrel, microscope base, focusing ring and flexible member, it is characterized in that, described lens barrel has one and described microscope base opposed bottom surface, described microscope base has an end face relative with lens barrel, be formed with first arc notch and second arc notch in the bottom surface of described lens barrel and the end face of described microscope base at least one face, described first arc notch is different along the degree of depth of optical axis direction with second arc notch, described focusing ring is arranged between the end face of the bottom surface of described lens barrel and microscope base, be formed with projection on it, described flexible member one end is fixed in described lens barrel, the other end is fixed in the described microscope base, described flexible member gives described lens barrel one pulling force, described focusing ring is clamped between lens barrel and the microscope base, rotate described focusing ring, the projection of described focusing ring can move between described first arc notch and second arc notch.
2. sectional type focusing lens module as claimed in claim 1 is characterized in that: described lens barrel comprises an inner lens cone and an outer lens barrel, and described epi mirror jacket casing is located at outside the inner lens cone.
3. sectional type focusing lens module as claimed in claim 2 is characterized in that: described inner lens cone comprises first end that is positioned at the thing side and is positioned at second end of picture side, and described first end is one discoid, and its marginating compartment offers a plurality of grooves uniformly.
4. sectional type focusing lens module as claimed in claim 2 is characterized in that: described inner lens cone is bolted in the described outer lens barrel.
5. the described sectional type focusing lens module of claim 2, it is characterized in that: described inner lens cone and described outer lens barrel are one-body molded.
6. sectional type focusing lens module as claimed in claim 1, it is characterized in that: described microscope base comprises base and is formed on holding part on the described base, it is one cylindric that described holding part is, it offers the through hole of accommodating described lens barrel and described flexible member, and the end that described flexible member is fixed in described microscope base is fixed on described holding part inwall.
7. sectional type focusing lens module as claimed in claim 1, it is characterized in that: described focusing ring is one circular, it vertically extends to form a plurality of catch respectively towards described lens barrel and described microscope base direction, and described catch can abut on the inwall of holding part of described lens barrel and described microscope base.
8. sectional type focusing lens module as claimed in claim 1, it is characterized in that: described bottom surface forms first arc notch and second arc notch, corresponding the 3rd arc notch and the 4th arc notch of forming of described microscope base end face, described first arc notch and described the 3rd arc notch constitute first hole, described second arc notch and described the 4th arc notch constitute second hole, and described projection moves between described first hole and described second hole.
9. sectional type focusing lens module as claimed in claim 1, it is characterized in that: described bottom surface forms first arc notch and second arc notch, the described projection of outstanding formation on described focusing ring and the described lens barrel opposing end faces, described projection moves between described first arc notch and described second arc notch.
10. sectional type focusing lens module as claimed in claim 1, it is characterized in that: described microscope base end face forms first arc notch and second arc notch, the described projection of outstanding formation on described focusing ring and the described microscope base opposing end faces, described projection moves between described first hole and described second hole.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201010300595.4A CN102135657B (en) | 2010-01-22 | 2010-01-22 | Sectional type focusing lens module |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201010300595.4A CN102135657B (en) | 2010-01-22 | 2010-01-22 | Sectional type focusing lens module |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102135657A true CN102135657A (en) | 2011-07-27 |
| CN102135657B CN102135657B (en) | 2014-03-26 |
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ID=44295489
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201010300595.4A Expired - Fee Related CN102135657B (en) | 2010-01-22 | 2010-01-22 | Sectional type focusing lens module |
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| Country | Link |
|---|---|
| CN (1) | CN102135657B (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103091812A (en) * | 2011-11-04 | 2013-05-08 | 华晶科技股份有限公司 | Lens of improving focusing accuracy rates and photographic device thereof |
| CN107395931A (en) * | 2012-10-19 | 2017-11-24 | 康耐视公司 | Bearing frame and circuit board for electronic equipment |
| CN110632809A (en) * | 2018-06-25 | 2019-12-31 | 三赢科技（深圳）有限公司 | Camera module |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2864724Y (en) * | 2005-11-30 | 2007-01-31 | 大立光电股份有限公司 | Lens cone and seat |
| CN1967307A (en) * | 2005-11-18 | 2007-05-23 | 鸿富锦精密工业（深圳）有限公司 | Variable-focus and focusing structure of lens and mould of digital camera used the same structure |
| 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
- 2010-01-22 CN CN201010300595.4A patent/CN102135657B/en not_active Expired - Fee Related
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1967307A (en) * | 2005-11-18 | 2007-05-23 | 鸿富锦精密工业（深圳）有限公司 | Variable-focus and focusing structure of lens and mould of digital camera used the same structure |
| CN2864724Y (en) * | 2005-11-30 | 2007-01-31 | 大立光电股份有限公司 | Lens cone and seat |
| 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 |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103091812A (en) * | 2011-11-04 | 2013-05-08 | 华晶科技股份有限公司 | Lens of improving focusing accuracy rates and photographic device thereof |
| CN107395931A (en) * | 2012-10-19 | 2017-11-24 | 康耐视公司 | Bearing frame and circuit board for electronic equipment |
| CN110632809A (en) * | 2018-06-25 | 2019-12-31 | 三赢科技（深圳）有限公司 | Camera module |
| CN110632809B (en) * | 2018-06-25 | 2021-09-21 | 三赢科技（深圳）有限公司 | Camera module |
Also Published As
| Publication number | Publication date |
|---|---|
| CN102135657B (en) | 2014-03-26 |
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