CN202075486U - Integral type double lens focusing apparatus - Google Patents
Integral type double lens focusing apparatus Download PDFInfo
- Publication number
- CN202075486U CN202075486U CN2011201663511U CN201120166351U CN202075486U CN 202075486 U CN202075486 U CN 202075486U CN 2011201663511 U CN2011201663511 U CN 2011201663511U CN 201120166351 U CN201120166351 U CN 201120166351U CN 202075486 U CN202075486 U CN 202075486U
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- lens
- tube
- regulate
- slide core
- adjusting
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Abstract
The utility model provides an integral type double lens focusing apparatus. A lens adjusting rack is fixedly provided on a lens adjusting seat; a pair of two-dimensional slidingly matched inner and outer slide cores are provided in the lens adjusting rack; two short pins are rivetedly provided at the diameter position of the inner slide core to play guiding and supporting effect; the corresponding inner slide core is provided with a large and a small lens adjusting inner cylinders for installing and fixing the lenses; the two lens adjusting inner cylinders are slidingly matched relatively; the interior parts of two adjacent sides of the lens adjusting rack are respectively provided with a pair of slide sleeves with pressure springs inside; and the middle parts of the other two adjacent sides of the lens adjusting rack are respectively provided with a high precision turn button fine tuning mechanism to realize fine tuning of the lenses at two dimension directions. During the fine tuning process, the optical axis centers of two lenses are the same. In the utility, the effects respective focusing and cooperating focusing of double lenses are realized; the adjust error of hand-operated focusing is kept under 0.01 mm, and the precision is even higher; in addition, two dimension precise adjusting of the whole lens set can be realized, and the adjusting error can be controlled under 0.05 mm.
Description
Technical field
The utility model relates to a kind of lens focusing device, particularly a kind of integral type double lens focus control.
Background technology
Being one in the optical system mid-focal length and often using, also is a parameter the most basic.Requiring in debuging process must be accurate, definite.And lens are formed the basic element of character of optical system, and the focal length of lens or lens combination must become the important parameter of determining its object-image relation.Simultaneously, whether the focal length of lens is accurate, with directly having influence on the accuracy of the overall focal length of whole optical system, this shows, the accurate adjusting of the focal length of lens is very important.
At present, common both at home and abroad lens focusing device or have the lens adjustment rack of focusing function, mostly be fixing single lens, can realize the focal length one dimension regulatory function of single lens, then, the device or the adjustment rack of a plurality of identical functions are connected together linearly, to realize the design function of whole optical system.But more deep along with correlative study, people are strict all the more to the accuracy requirement of the focal length of lens in the optical system, and this makes the drawback of traditional one dimension focus adjusting mechanism display gradually.Mainly show:
Conventional lenses focus control focal length precision is not high, and the optical axis center instability is behind particularly a plurality of combination of lensess, optical axis center is difficult to fix more, in the adjustment process, and lens of every adjusting, other lenses also must be adjusted again successively, has increased unnecessary workload virtually.In addition, on the adjusting bracket or the fixed form of adjusting gear, what have can not be completely fixed, and in a single day fixing of having just can not be regulated once more, and the work limitation is bigger.
Summary of the invention
For addressing the above problem, the purpose of this utility model provides a kind of integral type double lens focus control, is beneficial to realize two lens are regulated respectively independently, thereby has guaranteed the accuracy requirement of whole optical system focal length.
For achieving the above object, the technical solution adopted in the utility model provides a kind of integral type double lens focus control, fixed lens adjusting bracket on the lens adjustment seat, lens adjustment frame inside is provided with the interior slide core that two dimension is slidingly matched, outer slide core, two dump bolts of interior slide core diametrical position riveted, support as guiding, corresponding in interior slide core a side be provided with to install and fix in second lens that second lens use and regulate tube, opposite side is provided with and installs and fixes the interior tube of regulating of first lens that first lens are used in the interior slide core, regulating in first lens between regulating in tube and second lens tin is relative being slidingly matched, regulating tube periphery threaded engagement in first lens has first lens to regulate tube outward, regulating a tube periphery threaded engagement in second lens has second lens to regulate tube outward, regulates outer Monday of the side of regulating tube outside the tube and second lens and be respectively equipped with the adjusting handle outside first lens; In middle part, the adjacent both sides of lens adjustment frame, be separately installed with the sliding sleeve that a pair of inside is provided with stage clip, respectively adorn a fine setting screw, cooperate with vernier adjustment knob and form micromatic setting, keep two lens axis centres at middle part, the in addition adjacent both sides of lens adjustment frame.Vernier adjustment knob contacts with outer slide core.
Effect of the present utility model is to use this device not only can effectively realize twin-lensly focusing respectively and cooperating focusing, and the precision that makes manual focusing is controlled at below the 0.01mm, even it is higher, and can also realize accurate adjusting on the two-dimensional directional of whole lens combination device, precision can be controlled at below the 0.05mm.
Description of drawings
Fig. 1 double lens focus control of the present utility model schematic appearance;
Fig. 2 double lens focus control of the present utility model front view;
Fig. 3 the utility model double lens focus control left view;
Fig. 4 the utility model double lens focus control cut-open view.
Among the figure:
1. cover plate 2. pins 3. lens trim rings 4. first lens 5. first lens are regulated tube outward
6. interior slide core 7. lens adjustment framves 8. lens adjustment seats 9. sliding sleeves
10. regulate tube 13. second lens in stage clip 11. outer slide core 12. first lens
Regulate tube 16. adjusting handles outward 14. regulate tube 15. second lens in second lens
17. fine setting screw 18. vernier adjustment knobs
Embodiment
Reaching embodiment in conjunction with the accompanying drawings is illustrated integral type double lens focus control structure of the present utility model.
The structure of integral type double lens focus control of the present utility model is, fixed lens adjusting bracket on the lens adjustment seat, lens adjustment frame inside be provided with that a pair of two dimension is slidingly matched in, outer slide core, two dump bolts of interior slide core diametrical position riveted, support as guiding, accordingly in interior slide core 6, be provided with small one and large one two again and install and fix the lens adjustment inner core that lens are used, be slidingly matched relatively between two lens adjustment tubes, promptly two lens are relative, and can control relative distance, two lens adjustment tubes, one end outer rim has machining screw, pitch 0.1mm, in addition, every lens adjustment tube outside all is provided with gathering sill, after inserting relatively, the dump bolt of riveted on interior slide core can slide along the gathering sill direction, guaranteed that thus the glide direction of lens when adjustment is the radial direction in strict accordance with device or system optical axis.
In order to realize that circumference is converted to rectilinear motion, be respectively equipped with a lens adjustment urceolus in the outside of two lens adjustment inner cores, have in two urceolus and the corresponding machining screw of lens adjustment inner core, pitch 0.1mm, and, in order to be easy to manual adjustment, be provided with a little adjusting handle in the position in the close outside of each lens adjustment urceolus.Simultaneously, in order to realize for the optical system two-dimensional adjustment of method phase direction radially, lens adjustment device of the present invention is separately installed with the sliding sleeve that stage clip is equipped with in a pair of inside in the inside on the adjacent both sides of lens adjustment frame, at middle part, the in addition adjacent both sides of lens adjustment frame a high-precision knob micro-adjusting mechanism is installed respectively, is realized the fine setting on the lens two-dimensional directional.The optical axis center of two lens remains with one heart in trim process.
As shown in Figure 4, integral type double lens focus control of the present utility model, fixed lens adjusting bracket 7 on lens adjustment seat 8, lens adjustment frame 7 inside are provided with the interior slide core 6 that two dimension is slidingly matched, outer slide core 11, two dump bolts of interior slide core 6 diametrical position riveteds, support as guiding, a side is provided with and regulates tube 14 in second lens that install and fix second lens, 13 usefulness in interior slide core 6 accordingly, opposite side is provided with and regulates tube 12 in first lens that install and fix first lens, 4 usefulness in the interior slide core 6, regulating in first lens between regulating tins 14 in tube 12 and second lens is relative being slidingly matched, regulating tube 12 periphery threaded engagement in first lens has first lens to regulate tube 5 outward, regulating tube 14 periphery threaded engagement in second lens has second lens to regulate tube 15 outward, regulates outer Monday of the side of regulating tube 15 outside tube 5 and second lens and be respectively equipped with and regulate handle 16 outside first lens; In middle part, lens adjustment frame 7 adjacent both sides, be separately installed with the sliding sleeve 9 that a pair of inside is provided with stage clip 10, respectively adorn a fine setting screw 17 in middle part, position, adjacent both sides in addition at lens adjustment frame 7, be combined with vernier adjustment knob 18 with fine setting screw 17 and form micromatic setting, keep first lens 4 and second lens, 13 2 lens axis centres, vernier adjustment knob 18 contacts with outer slide core 11.
Regulating in described first lens between regulating tins 14 in tube 12 and second lens is relative being slidingly matched, in first lens, regulate to regulate on tube 14 outer walls in tube 12 and second lens and be respectively equipped with two gathering sills, in first lens, regulate tube 12 inwalls and be provided with half gathering sill, regulate tube 14 outer wall gathering sills in second lens and insert adjusting tube 12 half gathering sills in first lens, be respectively equipped with the pin 2 that is used to lead and supports on the mutual perpendicular diameter position of interior slide core 6, described pin 2 slides along being located at the gathering sill of regulating tube 12 outer walls in first lens.
Integral type double lens focus control of the present utility model, after mounting hole on the scioptics adjusting bracket 7 is fixed on described double lens focus control in the middle of the optical system, can the lens axis center be overlapped with the light path center by regulating two-dimentional vernier adjustment knob, regulate outward in tube 5 and first lens by adjusting handle 16 rotations first lens again and regulate the focusing that tube 12 is finished first lens 4.The lens axis center remains with light path light axis and coincides in the focusing process.The precision of focusing can be controlled in the 0.01mm.
Earlier two are regulated outward in tube 5 and first lens and regulate in the tube 12 according to first lens 4 of the selected diameter 15mm of light path design needs and second lens 13 double lens focus control first lens of packing into.Lens adjustment seat 8 is provided with two mounting holes, and available two M4 screws are fixed on whole device in the middle of the light path system that needs focusing.Note the lens axis center parallelly during installation, after installing, this double lens focus control optical axis center accurately is fixed to the light path light axis center by regulating two two-dimentional vernier adjustment knobs 18 with light path light axis.Alternately regulate one by one respectively during adjusting, till reaching ideal position.More than work and to begin focusing after finishing, in second lens, regulate a side of regulating tube 15 close lens adjustment framves 7 outside tube 14 and second lens and all be provided with the locking jackscrew, the focusing of second lens 13 relies on the interior adjusting tube of rotation second lens 14 and second lens to regulate tube 15 outward and realizes, earlier back-out the fixing and locking jackscrew before beginning to focus with allen key, move again and regulate handle 16, make second interior tube 14 and second lens of regulating of second lens 13 regulate the focusing that tube 15 rotations realize second lens 13 outward, when regulate outside second lens tube 15 when turning clockwise lens move to direction away from lens adjustment frame 7, otherwise then move to the direction near lens adjustment frame 7, moving range is 0～12mm.During adjusting, two lens should be regulated respectively, stop to regulate when the focal length of lens produces a desired effect, and with allen key the jackscrew that back-out before are locked once more, and so far, whole device focusing process finishes.
Claims (2)
1. integral type double lens focus control, it is characterized in that: go up fixed lens adjusting bracket (7) at lens adjustment seat (8), lens adjustment frame (7) inside is provided with the interior slide core (6) that two dimension is slidingly matched, outer slide core (11), two dump bolts of interior slide core (6) diametrical position riveted, support as guiding, a side is provided with and regulates tube (14) in second lens that install and fix second lens (13) usefulness in interior slide core (6) accordingly, the interior opposite side of interior slide core (6) is provided with and regulates tube (12) in first lens that install and fix first lens (4) usefulness, regulate that to regulate between tin (14) in tube (12) and second lens be relative being slidingly matched in first lens, regulating tube (12) periphery threaded engagement in first lens has first lens to regulate tube (5) outward, regulating tube (a 14) periphery threaded engagement in second lens has second lens to regulate tube (15) outward, regulates outer Monday of the side of regulating tube (15) outside the tube (5) and second lens and be respectively equipped with and regulate handle (16) outside first lens; In middle part, the adjacent both sides of lens adjustment frame (7), be separately installed with the sliding sleeve (9) that a pair of inside is provided with stage clip (10), respectively adorn a fine setting screw (17) in middle part, position, adjacent both sides in addition at lens adjustment frame (7), be combined with vernier adjustment knob (18) with fine setting screw (17) and form micromatic setting, keep first lens (4) and second lens (13) two lens axis centres, vernier adjustment knob (18) contacts with outer slide core (11).
2. integral type double lens focus control according to claim 1, it is characterized in that: regulate that to regulate between tin (14) in tube (12) and second lens be relative being slidingly matched in described first lens, in first lens, regulate to regulate in the tube (12) and second lens on tube (14) outer wall and be respectively equipped with two gathering sills, in first lens, regulate tube (12) inwall and be provided with half gathering sill, regulate tube (14) outer wall gathering sill in second lens and insert adjusting tube (12) half gathering sills in first lens, be respectively equipped with the pin (2) that is used to lead and supports on the mutual perpendicular diameter position of interior slide core (6), described pin (2) slides along being located at the gathering sill of regulating tube (12) outer wall in first lens.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011201663511U CN202075486U (en) | 2011-05-23 | 2011-05-23 | Integral type double lens focusing apparatus |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011201663511U CN202075486U (en) | 2011-05-23 | 2011-05-23 | Integral type double lens focusing apparatus |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202075486U true CN202075486U (en) | 2011-12-14 |
Family
ID=45113582
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011201663511U Expired - Lifetime CN202075486U (en) | 2011-05-23 | 2011-05-23 | Integral type double lens focusing apparatus |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202075486U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102162899A (en) * | 2011-05-23 | 2011-08-24 | 天津港东科技发展股份有限公司 | Integral double-lens focusing device |
| CN109764263A (en) * | 2019-03-12 | 2019-05-17 | 中国科学院苏州生物医学工程技术研究所 | A kind of lighting device focusing structure |
| CN112666538A (en) * | 2020-12-29 | 2021-04-16 | 北京航天控制仪器研究所 | Automatic optical axis adjusting mechanism of single photon distance measuring instrument |
-
2011
- 2011-05-23 CN CN2011201663511U patent/CN202075486U/en not_active Expired - Lifetime
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102162899A (en) * | 2011-05-23 | 2011-08-24 | 天津港东科技发展股份有限公司 | Integral double-lens focusing device |
| CN109764263A (en) * | 2019-03-12 | 2019-05-17 | 中国科学院苏州生物医学工程技术研究所 | A kind of lighting device focusing structure |
| CN112666538A (en) * | 2020-12-29 | 2021-04-16 | 北京航天控制仪器研究所 | Automatic optical axis adjusting mechanism of single photon distance measuring instrument |
| CN112666538B (en) * | 2020-12-29 | 2023-08-29 | 北京航天控制仪器研究所 | Optical axis automatic regulating mechanism of single photon range finder |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20111214 Effective date of abandoning: 20120725 |
|
| AV01 | Patent right actively abandoned |
Granted publication date: 20111214 Effective date of abandoning: 20120725 |