CN109669252A - A kind of protecting against shock camera lens and its assembly method - Google Patents
A kind of protecting against shock camera lens and its assembly method Download PDFInfo
- Publication number
- CN109669252A CN109669252A CN201910084283.5A CN201910084283A CN109669252A CN 109669252 A CN109669252 A CN 109669252A CN 201910084283 A CN201910084283 A CN 201910084283A CN 109669252 A CN109669252 A CN 109669252A
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- China
- Prior art keywords
- lens barrel
- focusing ring
- lens
- attachment base
- rear end
- 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.)
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- 230000035939 shock Effects 0.000 title claims abstract description 19
- 238000000034 method Methods 0.000 title claims abstract description 10
- 238000003825 pressing Methods 0.000 claims abstract description 28
- 230000003287 optical effect Effects 0.000 claims abstract description 11
- 238000010276 construction Methods 0.000 abstract description 2
- 238000011031 large-scale manufacturing process Methods 0.000 abstract description 2
- 238000004519 manufacturing process Methods 0.000 abstract description 2
- 244000309464 bull Species 0.000 description 1
- 235000019504 cigarettes Nutrition 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000003595 mist Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000000149 penetrating effect Effects 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
Classifications
-
- 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
-
- 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
- G02B7/04—Mountings, adjusting means, or light-tight connections, for optical elements for lenses with mechanism for focusing or varying magnification
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Lens Barrels (AREA)
- Structure And Mechanism Of Cameras (AREA)
Abstract
The present invention relates to a kind of protecting against shock camera lens and its assembly methods, and including lens barrel and the optical system being arranged in lens barrel, the optical system includes along light incident direction is set gradually from front to back positive lens A and positive lens B；It is rotatably arranged with focusing ring on the outside of the middle part of the lens barrel, is fixed between the focusing ring and lens barrel by focusing ring pressing ring；Sliding sleeve is equipped with attachment base, the front end of the attachment base and focusing ring bolt on the outside of the rear end of the lens barrel, and the middle part of attachment base is equipped with loop connecting flange, and the front end face of the flange connector is equipped with the connecting groove being inserted into favor of the rear end of focusing ring.Structure of the invention is compact, lens construction length is short, easy to carry, vibration resistance energy is good, can be adapted to 384 × 288,17 μm of detectors of LWIR Uncooled, be suitable for portable carrying；Cost of manufacture is cheap simultaneously, easy to assembly simple, is suitble to large-scale production.
Description
Technical field:
The present invention relates to a kind of protecting against shock camera lens and its assembly methods.
Background technique:
With the development of science and technology, infrared imagery technique has been widely used in fields such as national defence, industry, medical treatment.Infrared acquisition
With certain ability for penetrating the abilities such as cigarette, mist, haze, snow and identification camouflage, is not interfered and caused by the strong light in battlefield, flash of light
It is blind, remote, round-the-clock observation, the target acquisition being particularly suitable under night and bad-weather condition may be implemented.However it fights
Situation is complicated, larger to the impact of camera lens, it is easier that the problem of camera lens fails, influence using.
Summary of the invention:
It is an object of the invention to places against the above deficiency, a kind of protecting against shock camera lens and its assembly method are provided, to adapt to fight
Field environment, solves the problems, such as that camera lens fails in battlefield surroundings.
To achieve the goals above, the technical solution adopted by the present invention is that: a kind of protecting against shock camera lens, including lens barrel and setting
Optical system in lens barrel, the optical system include along the light positive lens A that incident direction is set gradually from front to back and
Positive lens B；It is rotatably arranged with focusing ring on the outside of the middle part of the lens barrel, passes through focusing ring pressure between the focusing ring and lens barrel
Circle is fixed；Sliding sleeve is equipped with attachment base, the front end of the attachment base and focusing ring bolt, connection on the outside of the rear end of the lens barrel
The middle part of seat is equipped with loop connecting flange, and the front end face of the flange connector is equipped with the company being inserted into favor of the rear end of focusing ring
Connect groove.
Further, the airspace between the positive lens A and positive lens B is 29.98mm.
Further, the positive lens A and positive lens B is installed in the inner wall of lens barrel, is provided with A on front side of positive lens A
Piece pressing ring is provided with B piece pressing ring on front side of positive lens B.
Further, the outer surface front end of the lens barrel is sequentially reduced ladder-like from front to back for outer diameter；The focusing
The front inner wall of ring is equipped with the stepped hole that matches to the leading exterior surface with lens barrel, the cascaded surface of the stepped hole respectively with
The cascaded surface of lens barrel leading exterior surface abuts against；The focusing ring pressing ring is connected on the rear end face of stepped hole, focusing ring pressing ring
With lens barrel bolt.
Further, the rear end of the focusing ring is threadedly coupled with connecting groove.
Further, the front end outer wall of the attachment base is equipped with the first external screw thread, and the rear end inner wall of the focusing ring is equipped with
To the first internal screw thread with the first external screw thread bolt；The lateral wall of the connecting groove is provided with the second internal screw thread, described
The rear end outer wall of focusing ring is equipped with to the second external screw thread with the second internal screw thread bolt.
Further, the rear end outer wall of the attachment base is equipped with connection external screw thread.
Further, the rear end outer wall of the lens barrel is equipped with cricoid limiting groove, and the limiting groove is stepped；Institute
The side wall for stating attachment base, which extends radially through, is equipped with limit screw hole, is bolted with limit guide pin in the limit screw hole, the limit is led
Nail protrudes into limiting groove, is limited with the axial movement to attachment base.
The another technical solution that the present invention uses is: a kind of assembly method of protecting against shock camera lens, first will just when assembly
Lens B, B piece pressing ring, positive lens A are in order from being entered by lens barrel front group and passed through and fixed with A piece pressing ring；Then by focusing ring
It is rotatably set in the front end outer side of lens barrel, and axial restraint is carried out by focusing ring pressing ring；Finally attachment base is set in
On the outside of the rear end of lens barrel, attachment base is threadedly coupled with focusing ring, and limit guide pin, guide pin are screwed in the limit screw hole on attachment base
It protrudes into the limiting groove of lens barrel rear end, the movement of attachment base is limited.
Compared with prior art, the present invention has the effect that structure of the invention is compact, lens construction length is short, carries
Convenient, vibration resistance can be good, can be adapted to 384 × 288,17 μm of detectors of LWIR Uncooled, take suitable for portable
Band；Cost of manufacture is cheap simultaneously, easy to assembly simple, is suitble to large-scale production.
Detailed description of the invention:
Fig. 1 is the optical lens mechanical structure schematic diagram of the embodiment of the present invention.
In figure:
1- lens barrel；2- focusing ring；3- focusing ring pressing ring；4- attachment base；401- flange connector；5-B piece pressing ring；6- limits guide pin；
7-A piece pressing ring；8- positive lens A；The first external screw thread of 9-；The first internal screw thread of 10-；The second external screw thread of 11-；The second internal screw thread of 12-；
13- connection external screw thread；14- limiting groove；15- positive lens B.
Specific embodiment:
The present invention will be further described in detail with reference to the accompanying drawings and detailed description.
As shown in Figure 1, a kind of protecting against shock camera lens of the present invention, described including lens barrel 1 and the optical system being arranged in lens barrel
Optical system includes along light incident direction is set gradually from front to back positive lens A and positive lens B；The middle part of the lens barrel 1
Outside is rotatably arranged with focusing ring 2, fixed by focusing ring pressing ring 3 between the focusing ring 2 and lens barrel 1；The lens barrel 1
Sliding sleeve is equipped with attachment base 4, the front end of the attachment base 4 and 2 bolt of focusing ring on the outside of rear end, and the middle part of attachment base 4 is equipped with
Loop connecting flange 401, it is recessed that the front end face of the flange connector 401 is equipped with the connection being inserted into favor of the rear end of focusing ring 2
The rear end of slot, the focusing ring 2 is threadedly coupled with connecting groove.It is fixed, is adjusted by focusing ring pressing ring between lens barrel and focusing ring
The rear end of burnt ring is inserted into connecting groove and is threadedly coupled, and has been greatly improved the antidetonation and impact resistance of camera lens.
In the present embodiment, the airspace between the positive lens A and positive lens B is 29.98mm.
In the present embodiment, the positive lens A and positive lens B are installed in the inner wall of lens barrel 1, the front side setting of positive lens A
There is A piece pressing ring 7, B piece pressing ring 5 is provided on front side of positive lens B.
In the present embodiment, the outer surface front end of the lens barrel 1 is sequentially reduced ladder-like from front to back for outer diameter；The tune
The front inner wall of burnt ring 2 is equipped with the stepped hole to match with the leading exterior surface of lens barrel 1, the cascaded surface point of the stepped hole
Cascaded surface not with lens barrel leading exterior surface abuts against；The focusing ring pressing ring 3 is connected on the rear end face of stepped hole, focusing ring
Pressing ring 3 and 1 bolt of lens barrel.
In the present embodiment, the front end outer wall of the attachment base 4 is equipped with the first external screw thread 9, the rear end inner wall of the focusing ring 2
Equipped with to the first internal screw thread 10 with 6 bolt of the first external screw thread；The lateral wall of the connecting groove is provided with spiral shell in second
The rear end outer wall of line 12, the focusing ring 2 is equipped with to the second external screw thread 11 with 12 bolt of the second internal screw thread.Preferably,
First external screw thread, the first internal screw thread, the second external screw thread and the second internal screw thread are bull thread.
In the present embodiment, the rear end outer wall of the lens barrel 1 is equipped with cricoid limiting groove 14, and the limiting groove 14 is in rank
Scalariform；The side wall of the attachment base 4, which extends radially through, is equipped with limit screw hole, and limit guide pin 6, institute are bolted in the limit screw hole
It states limit guide pin to protrude into limiting groove, is limited with the axial movement to attachment base, improve the accuracy of focusing.
In the present embodiment, the rear end outer wall of the attachment base is equipped with connection external screw thread, is adapted to be connected with detector.
In the present embodiment, there are seal grooves between the lens barrel and attachment base, can assemble sealing ring according to the actual situation,
The friction between lens barrel and attachment base is improved, the impact resistance of camera lens is improved.
In the present embodiment, the design parameter of each eyeglass is as follows:
In the present embodiment, following optical index has been reached by the optical texture that above-mentioned lens set is constituted:
Service band: 8 μm -12 μm；
Focal length: f '=38mm；
Detector: 384 × 288,17 μm of LWIR Uncooled type；
Relative aperture D/ f ': 1/1.
The another technical solution that the present invention uses is: a kind of assembly method of protecting against shock camera lens, first will just when assembly
Lens B, B piece pressing ring, positive lens A are in order from being entered by lens barrel front group and passed through and fixed with A piece pressing ring；Then by focusing ring
It is rotatably set in the front end outer side of lens barrel, and axial restraint is carried out by focusing ring pressing ring；Finally attachment base is set in
On the outside of the rear end of lens barrel, attachment base is threadedly coupled with focusing ring, and limit guide pin, guide pin are screwed in the limit screw hole on attachment base
It protrudes into the limiting groove of lens barrel rear end, the movement of attachment base is limited.
The foregoing is merely presently preferred embodiments of the present invention, all equivalent changes done according to scope of the present invention patent with
Modification, is all covered by the present invention.
Claims (9)
1. a kind of protecting against shock camera lens, it is characterised in that: including lens barrel and the optical system being arranged in lens barrel, the optical system
Including along light incident direction is set gradually from front to back positive lens A and positive lens B；It can be rotated on the outside of the middle part of the lens barrel
It is arranged with focusing ring, is fixed between the focusing ring and lens barrel by focusing ring pressing ring；Sliding sleeve on the outside of the rear end of the lens barrel
Equipped with attachment base, the middle part of the front end of the attachment base and focusing ring bolt, attachment base is equipped with loop connecting flange, the company
The front end face for connecing flange is equipped with the connecting groove being inserted into favor of the rear end of focusing ring.
2. a kind of protecting against shock camera lens according to claim 1, it is characterised in that: between the positive lens A and positive lens B
Airspace is 29.98mm.
3. a kind of protecting against shock camera lens according to claim 1 or 2, it is characterised in that: the positive lens A and positive lens B are equal
It is mounted on the inner wall of lens barrel, A piece pressing ring is provided on front side of positive lens A, B piece pressing ring is provided on front side of positive lens B.
4. a kind of protecting against shock camera lens according to claim 1, it is characterised in that: the outer surface front end of the lens barrel is outer diameter
What is be sequentially reduced from front to back is ladder-like；The front inner wall of the focusing ring is equipped with and matches to the leading exterior surface with lens barrel
Stepped hole, cascaded surface of the cascaded surface of the stepped hole respectively with lens barrel leading exterior surface abut against；The focusing ring pressing ring
It is connected on the rear end face of stepped hole, focusing ring pressing ring and lens barrel bolt.
5. a kind of protecting against shock camera lens according to claim 1, it is characterised in that: the rear end of the focusing ring and connecting groove
It is threadedly coupled.
6. a kind of protecting against shock camera lens according to claim 5, it is characterised in that: the front end outer wall of the attachment base is equipped with the
The rear end inner wall of one external screw thread, the focusing ring is equipped with to the first internal screw thread with the first external screw thread bolt；The connection
The lateral wall of groove is provided with the second internal screw thread, the rear end outer wall of the focusing ring be equipped with to the second internal screw thread bolt
Second external screw thread.
7. a kind of protecting against shock camera lens according to claim 6, it is characterised in that: the rear end outer wall of the attachment base, which is equipped with, to be connected
Connect external screw thread.
8. a kind of protecting against shock camera lens according to claim 1, it is characterised in that: the rear end outer wall of the lens barrel is equipped with ring-type
Limiting groove, the limiting groove is stepped；The side wall of the attachment base, which extends radially through, is equipped with limit screw hole, the limit
It is bolted with limit guide pin in the screw hole of position, the limit guide pin is protruded into limiting groove, limited with the axial movement to attachment base
Position.
9. a kind of assembly method of protecting against shock camera lens, it is characterised in that: including using as described in claim 1~8 any one
Protecting against shock camera lens, when assembly, positive lens B, B piece pressing ring, positive lens A are entered and are passed through from by lens barrel front group in order first
And it is fixed with A piece pressing ring；Focusing ring is then rotatably set in the front end outer side of lens barrel, and is carried out by focusing ring pressing ring
Axial restraint；Finally attachment base is set on the outside of the rear end of lens barrel, attachment base is threadedly coupled with focusing ring, toward on attachment base
It limits and screws in limit guide pin in screw hole, guide pin is protruded into the limiting groove of lens barrel rear end, limited to the movement of attachment base.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910084283.5A CN109669252B (en) | 2019-01-29 | 2019-01-29 | Anti-impact lens and assembly method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910084283.5A CN109669252B (en) | 2019-01-29 | 2019-01-29 | Anti-impact lens and assembly method thereof |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109669252A true CN109669252A (en) | 2019-04-23 |
| CN109669252B CN109669252B (en) | 2024-05-14 |
Family
ID=66149975
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910084283.5A Active CN109669252B (en) | 2019-01-29 | 2019-01-29 | Anti-impact lens and assembly method thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109669252B (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20220236581A1 (en) * | 2021-01-22 | 2022-07-28 | Genius Electronic Optical (Xiamen) Co., Ltd. | Lens barrel and imaging module applying the same |
| WO2022262268A1 (en) * | 2021-06-17 | 2022-12-22 | 杭州微影软件有限公司 | Lens apparatus and photographing apparatus |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20060072214A1 (en) * | 2004-10-06 | 2006-04-06 | Koji Kawaguchi | Lens barrel with lock mechanism |
| US20120063764A1 (en) * | 2010-09-14 | 2012-03-15 | Fujifilm Corporation | Lens device |
| CN106125263A (en) * | 2016-08-22 | 2016-11-16 | 福建福光天瞳光学有限公司 | A kind of fixed type machinery of dolly-out,ing dolly-back is passive without transconversion into heat infrared lens and installation method thereof |
| WO2018095259A1 (en) * | 2016-11-22 | 2018-05-31 | 捷西迪（广州）光学科技有限公司 | Device for adjusting lens element in prime lens |
| CN209542925U (en) * | 2019-01-29 | 2019-10-25 | 福建福光天瞳光学有限公司 | A kind of protecting against shock camera lens |
-
2019
- 2019-01-29 CN CN201910084283.5A patent/CN109669252B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20060072214A1 (en) * | 2004-10-06 | 2006-04-06 | Koji Kawaguchi | Lens barrel with lock mechanism |
| US20120063764A1 (en) * | 2010-09-14 | 2012-03-15 | Fujifilm Corporation | Lens device |
| CN106125263A (en) * | 2016-08-22 | 2016-11-16 | 福建福光天瞳光学有限公司 | A kind of fixed type machinery of dolly-out,ing dolly-back is passive without transconversion into heat infrared lens and installation method thereof |
| WO2018095259A1 (en) * | 2016-11-22 | 2018-05-31 | 捷西迪（广州）光学科技有限公司 | Device for adjusting lens element in prime lens |
| CN209542925U (en) * | 2019-01-29 | 2019-10-25 | 福建福光天瞳光学有限公司 | A kind of protecting against shock camera lens |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20220236581A1 (en) * | 2021-01-22 | 2022-07-28 | Genius Electronic Optical (Xiamen) Co., Ltd. | Lens barrel and imaging module applying the same |
| US11768345B2 (en) * | 2021-01-22 | 2023-09-26 | Genius Electronic Optical (Xiamen) Co., Ltd. | Lens barrel and imaging module applying the same |
| WO2022262268A1 (en) * | 2021-06-17 | 2022-12-22 | 杭州微影软件有限公司 | Lens apparatus and photographing apparatus |
Also Published As
| Publication number | Publication date |
|---|---|
| CN109669252B (en) | 2024-05-14 |
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