CN106154480B - A kind of lens construction guaranteeing light axis consistency and high-precision airspace - Google Patents
A kind of lens construction guaranteeing light axis consistency and high-precision airspace Download PDFInfo
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- CN106154480B CN106154480B CN201610692738.8A CN201610692738A CN106154480B CN 106154480 B CN106154480 B CN 106154480B CN 201610692738 A CN201610692738 A CN 201610692738A CN 106154480 B CN106154480 B CN 106154480B
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- zoom
- guide rod
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- lens combination
- cam
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- 238000010276 construction Methods 0.000 title claims abstract description 9
- 238000003825 pressing Methods 0.000 claims abstract description 28
- 229910000831 Steel Inorganic materials 0.000 claims abstract description 12
- 239000010959 steel Substances 0.000 claims abstract description 12
- 230000003287 optical effect Effects 0.000 claims abstract description 9
- 125000006850 spacer group Chemical group 0.000 claims description 19
- 238000003754 machining Methods 0.000 claims description 6
- 238000012545 processing Methods 0.000 claims description 6
- 238000003672 processing method Methods 0.000 claims 1
- 238000013461 design Methods 0.000 abstract description 3
- 230000004313 glare Effects 0.000 abstract description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 238000011161 development Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000003384 imaging method Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 230000035800 maturation Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 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
- G02B7/021—Mountings, adjusting means, or light-tight connections, for optical elements for lenses for more than one lens
-
- 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
- G02B7/023—Mountings, adjusting means, or light-tight connections, for optical elements for lenses permitting adjustment
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Lens Barrels (AREA)
Abstract
The invention belongs to optical texture design fields, in particular to lens construction.A kind of lens construction guaranteeing light axis consistency and high-precision airspace, its technical solution is: it includes: body tube (1), cam (2), ball spline (3), compensation component (4), drive nail (5), gear (6), zoom component (7), steel ball (8), ball spline polished rod (9), electric machine assembly (10), guide rod pressing plate (11), guide rod liner plate (12), zoom switching cylinder (13), it compensates switching cylinder (14), ball spline guide rod (15), steel ball pressing ring (16), zoom drives nail (17), microswitch component (18), microswitch block (19)；It is stable drive of the present invention, compact-sized, high convenient for assembly, light axis consistency and airspace precision, and built in cam, veiling glare can be effectively eliminated.
Description
Technical field
The invention belongs to optical texture design fields, in particular to lens construction.
Background technique
It is higher and higher to the index request of camera lens with the development and maturation of digital high-definition technology；Traditional structure design
And high-precision airspace between the light axis consistency of eyeglass and each eyeglass cannot be effectively ensured in camera lens in assembly method, often
It needs repeatedly to adjust and is just able to satisfy optical system requirement, and still there are large errors with perfect condition after the assembly is completed, thus
Influence lens imaging quality.
Summary of the invention
The object of the present invention is to provide a kind of stable drive, it is compact-sized, convenient between assembly, light axis consistency and air
Every lens construction with high accuracy.
The technical solution of the present invention is as follows: a kind of lens construction for guaranteeing light axis consistency and high-precision airspace, it is wrapped
Include: body tube, cam, ball spline, compensation component drive nail, gear, zoom component, steel ball, ball spline polished rod, motor
Component, guide rod pressing plate, guide rod liner plate, zoom switching cylinder compensate switching cylinder, ball spline guide rod, steel ball pressing ring, zoom drive
Nail, microswitch component, microswitch block；
Zoom component includes: pressing ring, zoom lens barrel, jackscrew and the first lens set being sequentially arranged in zoom lens barrel
It closes, the second lens combination, third lens combination；Eyeglass in third lens combination is fixed on blank spacer ring by eyeglass trim rings
In, blank spacer ring and third lens combination use the mode with zoom lens barrel Combined machining: being in rotation with the optical axis of eyeglass
The heart, so that the gap of the inner periphery of the excircle of blank spacer ring and zoom lens barrel is between 0.01 and 0.02mm；Blank spacer ring
Thickness allowance control after the processing of the vertical range and blank spacer ring of front end face and eyeglass highest point or minimum point ±
0.01mm, the front/rear end degree control of blank spacer ring is in ± 0.005mm；First lens combination and the second lens combination use
Same Combined machining mode；After first lens combination, the second lens combination and third lens combination are packed into zoom lens barrel, utilize
Jackscrew and pressing ring compress zoom lens barrel at end where the first lens combination；
Compensation component and zoom component are passed through into compensation switching cylinder respectively and zoom switching cylinder is mounted on ball spline guide rod
Both ends；One end of ball spline guide rod and ball spline polished rod cooperates with three groups of mounting holes on guide rod liner plate respectively, in addition
One end is by being mounted on guide rod pressing plate；Guide rod pressing plate and guide rod liner plate are separately mounted to the both ends of body tube；By once adding
The mode of three groups of mounting holes of work guarantees ball spline guide rod and ball spline polished rod on being installed to guide rod pressing plate and guide rod liner plate
When can achieve state with optical axis level；
Cam is fixed in body tube by ball pressing ring and two groups of steel balls；Electric machine assembly band moving gear rotates, and drives nail
It is connect by the via hole on gear with cam, two zooms drive screw assembly to connect respectively with zoom switching cylinder and compensation switching cylinder
Connect, zoom drives the slot cooperation on bearing and cam in screw assembly, drive compensation component and zoom component by cam curve into
Row moves forward and backward, and microswitch component and microswitch block control cam power off electric machine assembly after being rotated in place.
The utility model has the advantages that it is stable drive of the present invention, compact-sized, high convenient for assembly, light axis consistency and airspace precision,
And built in cam, veiling glare can be effectively eliminated.
Detailed description of the invention
Fig. 1 is cross-sectional view of the invention；
Fig. 2 is external structure of the present invention；
Fig. 3 is zoom assembly assumption diagram in the present invention；
Fig. 4 is the schematic diagram of three groups of mounting holes of processing on guide rod liner plate in a pre-installation of the invention；
Fig. 5 is the left cross-sectional view of Fig. 4.
Specific embodiment
Referring to attached drawing: a kind of lens construction guaranteeing light axis consistency and high-precision airspace, it includes: body tube 1,
Cam 2, ball spline 3, compensation component 4 drive nail 5, gear 6, zoom component 7, steel ball 8, ball spline polished rod 9, motor group
Part 10, guide rod pressing plate 11, guide rod liner plate 12, zoom switching cylinder 13 compensate switching cylinder 14, ball spline guide rod 15, steel ball pressing ring
16, zoom drives nail 17, microswitch component 18, microswitch block 19；
Zoom component 7 includes: pressing ring 20, zoom lens barrel 27, jackscrew 28, the first lens combination 21, the second lens combination 22,
Eyeglass 24 in third lens combination 23, blank spacer ring 25, eyeglass trim rings 26；
Before eyeglass is installed, guide rod liner plate 12 is coaxially mounted in guide rod pressing plate 11 with screw, guide rod pressing plate 11 it is interior
Round and guide rod liner plate 12 outer circle gap passes through the mode of three groups of mounting holes of time processing 30,31 between 0.01 and 0.02mm
Guarantee ball spline guide rod 15 and ball spline polished rod 9 can achieve when being installed on guide rod pressing plate 11 and guide rod liner plate 12 with
The state of optical axis level guarantees the light axis consistency of compensation component 4 and zoom component 7；
Eyeglass 24 in third lens combination 23 is fixed in blank spacer ring 25 by eyeglass trim rings 26, machining blanks spacer ring
25 with third lens combination 23 when using with by the way of 27 Combined machining of zoom lens barrel, using the optical axis of eyeglass 24 as rotation center,
So that the excircle of blank spacer ring 25 and the inner periphery gap of zoom lens barrel 27 are between 0.01 and 0.02mm；Blank spacer ring 25
Thickness allowance control after the processing of the vertical range and blank spacer ring 25 of front end face and 24 highest point of eyeglass or minimum point
In ± 0.01mm, the front/rear end degree control of blank spacer ring 25 is in ± 0.005mm；First lens combination 21 and the second eyeglass
Combination 22 uses same Combined machining mode；Make the first lens combination 21, the second lens combination 22 and third lens combination 23
It can be successively directly loadable into zoom lens barrel 27, compressed using jackscrew 28 and pressing ring 20 in one end of zoom lens barrel 27, guarantee three
The light axis consistency of eyeglass and airspace in lens combination；
Compensation component 4 and zoom component 7 are mounted on ball flower by compensation switching cylinder 14 and zoom switching cylinder 13 respectively
The both ends of key guide rod 15；One end of ball spline guide rod 15 and ball spline polished rod 9 respectively with the mounting hole on guide rod liner plate 12
30,31 cooperations, other end pass through nut respectively and are mounted on guide rod pressing plate 11；Guide rod pressing plate 11 and guide rod liner plate 12 are pacified respectively
Mounted in the both ends of body tube 1；Cam 2 is fixed in body tube 1 by ball pressing ring 16 and two groups of steel balls 8；10 band of electric machine assembly
Moving gear 6 rotates, and nail 5 is driven to connect by the via hole on gear 6 with cam 2, revolves to reach electric machine assembly 10 with moving cam 2
The effect turned, two zooms drive screw assembly 17 to connect respectively with zoom switching cylinder 13 and compensation switching cylinder 14, and zoom drives nail
The slot on bearing and cam 2 in component 17 cooperates, and compensation component 4 and zoom component 7 is driven to carry out front and back fortune by cam curve
Dynamic, microswitch component 18 and microswitch block 19 control cam 2 and power off electric machine assembly 10 after being rotated in place.
In conclusion the above is merely preferred embodiments of the present invention, being not intended to limit the scope of the present invention.
All within the spirits and principles of the present invention, any modification, equivalent replacement, improvement and so on should be included in of the invention
Within protection scope.
Claims (1)
1. a kind of lens construction for guaranteeing light axis consistency and high-precision airspace, it is characterized in that: it includes: body tube (1),
Cam (2), ball spline (3), compensation component (4) drive nail (5), gear (6), zoom component (7), steel ball (8), ball flower
Key polished rod (9), electric machine assembly (10), guide rod pressing plate (11), guide rod liner plate (12), zoom switching cylinder (13) compensate switching cylinder
(14), ball spline guide rod (15), steel ball pressing ring (16), zoom drive screw assembly (17), and microswitch component (18), fine motion is opened
It closes block (19)；
The zoom component (7) includes: pressing ring (20), zoom lens barrel (27), jackscrew (28) and is sequentially arranged at the zoom
The first lens combination (21) in lens barrel (27), the second lens combination (22), third lens combination (23)；The third lens set
It closes the eyeglass (24) in (23) to be fixed in blank spacer ring (25) by eyeglass trim rings (26), the blank spacer ring (25) and described
Third lens combination (23) uses the mode with zoom lens barrel (27) Combined machining: being with the optical axis of the eyeglass (24)
Rotation center so that the gap of the inner periphery of the excircle of the blank spacer ring (25) and the zoom lens barrel (27) 0.01 and
Between 0.02mm；The vertical range of the front end face of the blank spacer ring (25) and the eyeglass (24) highest point or minimum point and
Thickness allowance control after blank spacer ring (25) processing is in ± 0.01mm, the front/rear end of the blank spacer ring (25)
Degree control is in ± 0.005mm；First lens combination (21) and second lens combination (22) use same group
Close processing method；First lens combination (21), second lens combination (22) and the third lens combination (23) dress
It, will at end where the first lens combination (21) using the jackscrew (28) and the pressing ring (20) after entering the zoom lens barrel (27)
The zoom lens barrel (27) compresses；
The compensation component (4) and the zoom component (7) are turned by the compensation switching cylinder (14) and the zoom respectively
Connect cylinder (13) is mounted on the both ends of the ball spline guide rod (15)；The ball spline guide rod (15) and the ball spline light
One end of bar (9) cooperates with three groups of mounting holes on the guide rod liner plate (12) respectively, and other end is mounted on institute by nut
It states on guide rod pressing plate (11)；The guide rod pressing plate (11) and the guide rod liner plate (12) are separately mounted to the body tube (1)
Both ends；Guarantee the ball spline guide rod (15) and the ball spline light by way of the mounting hole described in three groups of time processing
Bar (9) can achieve the state with optical axis level when being installed on the guide rod pressing plate (11) and the guide rod liner plate (12)；
The cam (2) is fixed in the body tube (1) by steel ball (8) described in the steel ball pressing ring (16) and two groups；Institute
State electric machine assembly (10) and drive the gear (6) rotation, it is described drive nail (5) by via hole on the gear (6) with it is described
Cam (2) connection, two zooms drive screw assembly (17) to transfer respectively with the zoom switching cylinder (13) and the compensation
Cylinder (14) connection, the zoom drive the bearing in screw assembly (17) and the slot on the cam (2) to cooperate, drive the compensation
Component (4) and the zoom component (7) are moved forward and backward by cam curve, the microswitch component (18) and the fine motion
Switch block (19), which controls the cam (2), powers off the electric machine assembly (10) after being rotated in place.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610692738.8A CN106154480B (en) | 2016-10-08 | 2016-10-08 | A kind of lens construction guaranteeing light axis consistency and high-precision airspace |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610692738.8A CN106154480B (en) | 2016-10-08 | 2016-10-08 | A kind of lens construction guaranteeing light axis consistency and high-precision airspace |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106154480A CN106154480A (en) | 2016-11-23 |
| CN106154480B true CN106154480B (en) | 2019-01-04 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610692738.8A Active CN106154480B (en) | 2016-10-08 | 2016-10-08 | A kind of lens construction guaranteeing light axis consistency and high-precision airspace |
Country Status (1)
| Country | Link |
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| CN (1) | CN106154480B (en) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106950676A (en) * | 2017-03-22 | 2017-07-14 | 河南平原光电有限公司 | Novel high-precision zoom mechanism |
| CN110879448A (en) * | 2019-11-04 | 2020-03-13 | 中国科学院西安光学精密机械研究所 | Continuous zooming device and assembling method thereof |
| CN111273455A (en) * | 2019-12-12 | 2020-06-12 | 河北汉光重工有限责任公司 | Method for assembling and adjusting visible light/infrared composite lens |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP2466355A1 (en) * | 2010-12-20 | 2012-06-20 | Samsung Electronics Co., Ltd. | Adjustment device, lens barrel, and optical apparatus |
| CN202533644U (en) * | 2012-05-11 | 2012-11-14 | 福州开发区鸿发光电子技术有限公司 | Double-component optical compensation zoom lens |
| CN102890324A (en) * | 2012-10-11 | 2013-01-23 | 中山市众盈光学有限公司 | Structure for ensuring coaxiality of assembled lens cones |
| CN105353493A (en) * | 2015-12-01 | 2016-02-24 | 中国航空工业集团公司洛阳电光设备研究所 | Variable magnification compensation device of continuous zooming thermal imaging instrument and processing technology |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP5537529B2 (en) * | 2011-09-30 | 2014-07-02 | 日本電産コパル株式会社 | Optical device |
-
2016
- 2016-10-08 CN CN201610692738.8A patent/CN106154480B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP2466355A1 (en) * | 2010-12-20 | 2012-06-20 | Samsung Electronics Co., Ltd. | Adjustment device, lens barrel, and optical apparatus |
| CN202533644U (en) * | 2012-05-11 | 2012-11-14 | 福州开发区鸿发光电子技术有限公司 | Double-component optical compensation zoom lens |
| CN102890324A (en) * | 2012-10-11 | 2013-01-23 | 中山市众盈光学有限公司 | Structure for ensuring coaxiality of assembled lens cones |
| CN105353493A (en) * | 2015-12-01 | 2016-02-24 | 中国航空工业集团公司洛阳电光设备研究所 | Variable magnification compensation device of continuous zooming thermal imaging instrument and processing technology |
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| Publication number | Publication date |
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| CN106154480A (en) | 2016-11-23 |
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Denomination of invention: A lens structure that ensures optical axis consistency and high-precision air spacing Granted publication date: 20190104 Pledgee: China Construction Bank Corporation Handan Guangming Branch Pledgor: HEBEI HANGUANG HEAVY INDUSTRY Ltd. Registration number: Y2024980042869 |