CN201293860Y - Focusing integrated lens device - Google Patents
Focusing integrated lens device Download PDFInfo
- Publication number
- CN201293860Y CN201293860Y CNU2008201382978U CN200820138297U CN201293860Y CN 201293860 Y CN201293860 Y CN 201293860Y CN U2008201382978 U CNU2008201382978 U CN U2008201382978U CN 200820138297 U CN200820138297 U CN 200820138297U CN 201293860 Y CN201293860 Y CN 201293860Y
- Authority
- CN
- China
- Prior art keywords
- mirror cell
- lens assembly
- adjustable focus
- cell
- focusing ring
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
Images
Abstract
The utility model relates to an integral lens device capable of focusing, which comprises a lens chamber, a lens group disposed in the lens chamber and an aperture, wherein a photosensitive element is arranged at the rear portion of the lens chamber. The lens device further comprises a focusing ring and a buffer element, wherein the focusing ring is arranged at the front portion of the lens chamber and pushes against one side of the lens group, the periphery of the focusing ring is provided with outer threads, the inside of the lens chamber is provided with inner threads engaged with the outer threads, and the buffer element is arranged between the other side of the lens group and the lens chamber. The lens device can reduce tolerance and prevent dust influencing images.
Description
Technical field
The utility model relates to a kind of optical devices, more particularly, relates to a kind of integrated lens assembly of adjustable focus.
Background technology
Along with Development of Multimedia Technology, the various digital consumer products that possess camera function are of common occurrence.With the mobile phone is example, and present most of mobile phones all are equipped with camera lens, to satisfy the demand of taking pictures whenever and wherever possible.Fig. 1 shows the cut-open view of existing lens assembly.As shown in Figure 1, this lens assembly 1 comprises tubular mirror cell 11 and the bearing 12 that cooperates with mirror cell 11.Wherein be provided with first eyeglass 13 and second eyeglass 14 in the mirror cell 11, and between two eyeglasses 13,14, be provided with aperture 15.The rear end of mirror cell 11 is open, and front end face is provided with the hole of passing through for light 16.Bearing 12 is cylindric, and its inside is provided with optical filter 17, and the rear end is set with photo-sensitive cell 18.Be provided with external thread 19 in mirror cell 11, the inside of bearing 12 is provided with corresponding internal thread 20.
During assembling, earlier first eyeglass 13, aperture 15 and second eyeglass 14 are organized to go in the mirror cell 11 successively, again mirror cell 11 is paid with bearing 12 locks, internal thread 20 and external thread 19 are meshing with each other.Afterwards optical filter 17 and photo-sensitive cell are gone into for 18 groups, constitute lens assembly 1.In order to ensure image quality, need to rotate mirror cell 11, by changing the engagement situation of internal thread 20 and external thread 19, adjust the distance between eyeglass 13,14 and the photo-sensitive cell 18, until image definition, reach the needed picture of separating and require.
Though this lens assembly 1 can be focused to satisfy the resolving power requirement, mirror cell 11 is parts independent of each other with bearing 12, can accumulation optics and mechanism's tolerance after group is upright.Mirror cell's 11 outside threadings 19 that need owing to the right alignment that needs assurance mirror cell 11 with bearing 12, have increased the degree of difficulty of processing.In addition, during focusing, internal thread 20 can cause micronic dust to drop on optical filter 17 or the photo-sensitive cell 18 with the engagement of external thread 19, makes on the image of shooting spot to occur.
The utility model content
The technical problems to be solved in the utility model is, at the above-mentioned defective of prior art, provides a kind of integrated lens assembly of adjustable focus, can reduce tolerance, avoid micronic dust that image is impacted.
The technical scheme that its technical matters that solves the utility model adopts is: the integrated lens assembly of constructing a kind of adjustable focus, comprise the mirror cell, be arranged at lens set and aperture in the described mirror cell, wherein, rear portion, described mirror cell also is provided with photo-sensitive cell, described lens assembly also comprises: the focusing ring that is arranged on front portion, described mirror cell, be resisted against described lens set one side and outer peripheral face and be provided with external thread, inside, described mirror cell is provided with the internal thread that is engaged with; And buffer element, install between the opposite side and described mirror cell of described lens set.
Integrated lens assembly according to adjustable focus described in the utility model is provided with ring wall in the described mirror cell, and described buffer element installs between the opposite side of described lens set and described ring wall.
According to the integrated lens assembly of adjustable focus described in the utility model, described buffer element is the buffering foam.
According to the integrated lens assembly of adjustable focus described in the utility model, described buffer element is a spring.
According to the integrated lens assembly of adjustable focus described in the utility model, the length of the internal thread of described mirror cell is greater than the externally threaded length of described focusing ring.
According to the integrated lens assembly of adjustable focus described in the utility model, described mirror cell comprises: first, and inside is provided with described focusing ring, lens set, aperture, reaches buffer element; And second portion, inside is provided with described photo-sensitive cell; Between the inwall of described first and described second portion with described ring wall separately.
According to the integrated lens assembly of adjustable focus described in the utility model, also be provided with optical filter in the described second portion.
According to the integrated lens assembly of adjustable focus described in the utility model, be provided with a Jiao Kou between described focusing ring and the described mirror cell.
Implement the integrated lens assembly of adjustable focus of the present utility model, have following beneficial effect: adopted incorporate mirror cell, eliminated the upright and cumulative limit that causes in mirror cell and bearing group in the prior art.Replace mirror cell of the prior art focusing with focusing ring, can reduce the processing cost and the degree of difficulty of mirror cell.Because focusing ring is positioned at the front portion of mirror cell, in the focusing process, can not make micronic dust drop on optical filter or the photo-sensitive cell because of rotation.
Description of drawings
The utility model is described in further detail below in conjunction with drawings and Examples, in the accompanying drawing:
Fig. 1 shows the cut-open view of existing lens assembly;
Fig. 2 shows the cut-open view of lens assembly in the utility model;
Fig. 3 shows the decomposing schematic representation of lens assembly in the utility model.
Embodiment
As shown in Figures 2 and 3, in embodiment of the present utility model, lens assembly 100 comprises mirror cell 101, and this mirror cell 101 comprises coaxial first 102 and second portion 103.Wherein first 102 is cylindric, has center hole 109; Second portion 103 is the cube shaped of hollow, has center square hole 110 (see figure 2)s, these two parts be between whole and both inwall with ring wall 104 separately.Ring wall 104 is provided with hole 105, can therefrom pass through to guarantee light.
In the center hole 109 of first 102, be provided with lens set along optical axis L.There is shown the situation that this lens set comprises first eyeglass 106 and second eyeglass 107, they can be sphere or aspherical lens.First eyeglass 106 comprises curvature portion 106a and is positioned at the breasting part 106b of curvature portion 106a periphery that second eyeglass 107 comprises curvature portion 107a and is positioned at the breasting part 107b of curvature portion 107a periphery.The outer peripheral face of breasting part 106b, 107b and the inside surface of first 102 are chimeric mutually.On the optical axis L, between first eyeglass 106 and second eyeglass 107, also be provided with aperture 108.This aperture 108 is clipped between breasting part 106b, the 107b.
At first's 102 inside surfaces, away from the front end of second portion 103, be provided with internal thread 111.This lens assembly 100 also comprises the focusing ring 112 that is arranged on first's 102 front ends.The outer peripheral face of this focusing ring 112 is provided with external thread 113, and this external thread 113 is meshed with the internal thread 111 of first 102.Focusing ring 112 is provided with center pit 114, passes through for light.In the time of in focusing ring 112 is arranged at first 102, lean with the breasting part 106b of first eyeglass 106 in the lens set.For the shape of the curvature portion 106a that adapts to first eyeglass 106, the middle part of focusing ring 112 can be inwardly recessed, forms concave surface 115 (see figure 2)s.
For the support lenses group, certain space is provided simultaneously, between lens set and ring wall 104, be provided with buffer element 116.Also be provided with center pit 117 on this buffer element 116, pass through, avoid simultaneously the curvature portion 107a of second eyeglass 107 is impacted for light.This buffer element 116 can deform when being squeezed, and can restore after acting force is cancelled.In embodiment of the present utility model, buffer element 116 can be a spring, preferably cushions foam.
In second portion 103, be provided with optical filter 118 along optical axis L.This optical filter 118 can be, for example, and cutoff filter.On the end face of second portion 103, be set with substrate 119.On this substrate 119 surface in second portion 103, be provided with photo-sensitive cell 120.This photo-sensitive cell 120 can be charge-coupled image sensor (Charge Coupled Device is called for short CCD) or complementary metal oxide semiconductor (CMOS) (Complementary Metal Oxide Semiconductor is called for short CMOS).Light behind lens set, optical filter 118, projects on the photo-sensitive cell 120 after the center pit on the focusing ring 112 enters.
During assembling, 116 groups of buffer elements are gone into the first 102 of mirror cell 101, make it to be resisted against on the ring wall 104, group is gone into second eyeglass 107, aperture 108 and first eyeglass 106 successively again, afterwards focusing ring 112 is screwed in.Group is gone into optical filter 118, photo-sensitive cell 120 in the second portion 103 of mirror cell 101, finishes the assembling of whole lens assembly 100.Lens assembly 100 enters the focusing engineering afterwards, be fixed on the focusing anchor clamps (not shown), and rotation focusing ring 112, the distance between adjustment lens set and the photo-sensitive cell 120 reaches the needed picture of separating and requires until image definition, and focusing is finished.Last some glue stomion glue between focusing ring 112 and mirror cell 101 is fixed, and in follow-up assembling, transportation relative displacement takes place to avoid both, and imaging is impacted.
In the lens assembly 100 of the present utility model, adopt incorporate mirror cell 101, eliminated 12 groups of cumulative limits that stand and cause in mirror cell 11 and bearing in the prior art shown in Figure 1.Replace mirror cell of the prior art focusing with focusing ring 112, can reduce the processing cost and the degree of difficulty of mirror cell.Because focusing ring 112 is positioned at the front portion of mirror cell 101, in the focusing process, can not make micronic dust drop on optical filter 118 or the photo-sensitive cell 120 because of rotation.
Claims (8)
1, a kind of integrated lens assembly of adjustable focus comprises the mirror cell, is arranged at lens set and aperture in the described mirror cell, it is characterized in that,
Rear portion, described mirror cell also is provided with photo-sensitive cell,
Described lens assembly also comprises:
Be arranged on the focusing ring of front portion, described mirror cell, be resisted against described lens set one side and outer peripheral face and be provided with external thread, inside, described mirror cell is provided with the internal thread that is engaged with; And
Buffer element installs between the opposite side and described mirror cell of described lens set.
2, the integrated lens assembly of adjustable focus according to claim 1 is characterized in that, is provided with ring wall in the described mirror cell, and described buffer element installs between the opposite side of described lens set and described ring wall.
3, the integrated lens assembly of adjustable focus according to claim 1 is characterized in that, described buffer element is the buffering foam.
4, the integrated lens assembly of adjustable focus according to claim 1 is characterized in that, described buffer element is a spring.
5, the integrated lens assembly of adjustable focus according to claim 1 is characterized in that, the length of the internal thread of described mirror cell is greater than the externally threaded length of described focusing ring.
6, the integrated lens assembly of adjustable focus according to claim 2 is characterized in that, described mirror cell comprises:
First, inside is provided with described focusing ring, lens set, aperture, reaches buffer element; And
Second portion, inside are provided with described photo-sensitive cell;
Between the inwall of described first and described second portion with described ring wall separately.
7, the integrated lens assembly of adjustable focus according to claim 6 is characterized in that, also is provided with optical filter in the described second portion.
8, the integrated lens assembly of adjustable focus according to claim 1 is characterized in that, is provided with a Jiao Kou between described focusing ring and the described mirror cell.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008201382978U CN201293860Y (en) | 2008-11-05 | 2008-11-05 | Focusing integrated lens device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008201382978U CN201293860Y (en) | 2008-11-05 | 2008-11-05 | Focusing integrated lens device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201293860Y true CN201293860Y (en) | 2009-08-19 |
Family
ID=41007343
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2008201382978U Expired - Fee Related CN201293860Y (en) | 2008-11-05 | 2008-11-05 | Focusing integrated lens device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201293860Y (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103135154A (en) * | 2011-12-02 | 2013-06-05 | 鸿富锦精密工业（深圳）有限公司 | Optical filter and lens module utilizing the same |
| CN104704412A (en) * | 2012-09-25 | 2015-06-10 | 京瓷株式会社 | Optical unit, image capture device, and mobile body |
| CN105721756A (en) * | 2016-04-06 | 2016-06-29 | 惠州市德赛西威汽车电子股份有限公司 | Camera |
-
2008
- 2008-11-05 CN CNU2008201382978U patent/CN201293860Y/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103135154A (en) * | 2011-12-02 | 2013-06-05 | 鸿富锦精密工业（深圳）有限公司 | Optical filter and lens module utilizing the same |
| CN103135154B (en) * | 2011-12-02 | 2016-09-14 | 鸿富锦精密工业（深圳）有限公司 | Optical filter and use the camera lens module of this optical filter |
| CN104704412A (en) * | 2012-09-25 | 2015-06-10 | 京瓷株式会社 | Optical unit, image capture device, and mobile body |
| CN105721756A (en) * | 2016-04-06 | 2016-06-29 | 惠州市德赛西威汽车电子股份有限公司 | Camera |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US10288845B2 (en) | Image capturing lens system, image capturing unit and electronic device | |
| TWI656374B (en) | Optical image capturing lens group, image capturing device and electronic device | |
| CN104101991B (en) | Zoom lens and image pickup device including the same | |
| CN106443987B (en) | Optical system for image pickup, image capturing device and electronic device | |
| CN107121763B (en) | Photographing optical system and image capturing device | |
| TWI629527B (en) | Photographing lens assembly, image capturing unit and electronic device | |
| KR101941249B1 (en) | Telephoto lens and photographing apparatus having the same | |
| CN109001888A (en) | Image capturing lens assembly, image capturing device and electronic device | |
| CN110068911A (en) | Imaging lens system group, image-taking device and electronic device | |
| TWI421534B (en) | Zoom lens assembly | |
| JP2016206223A (en) | Image capturing lens, lens unit, image capturing device, digital still camera, and mobile terminal | |
| CN109581629B (en) | Optical imaging lens assembly, image capturing device and electronic device | |
| WO2018000651A1 (en) | Imaging device | |
| CN201293860Y (en) | Focusing integrated lens device | |
| CN108107558A (en) | Zoom lens and the image pick-up device with zoom lens | |
| CN103558678A (en) | High-definition wide-angle lens | |
| CN101414051B (en) | Zoom lens and image pickup apparatus including the same | |
| CN109324385A (en) | Optical lens | |
| CN201707493U (en) | High-resolution optical zoom lens | |
| CN107121767B (en) | High-resolution projection lens for DLP (digital light processing) engineering projector | |
| CN104181674A (en) | High-resolution fine adjustment day and night prime lens | |
| CN205027964U (en) | 2. 8 -12mm zoom aspherical mirror head | |
| CN105372797B (en) | A kind of mini-focal aspheric lens | |
| CN104090349B (en) | High resolution day and night CS interface tight shot | |
| KR101090010B1 (en) | Optical system considering decenter characteristic |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20090819 Termination date: 20111105 |