CN111045182A - Variable power lens - Google Patents
Variable power lens Download PDFInfo
- Publication number
- CN111045182A CN111045182A CN201911235479.6A CN201911235479A CN111045182A CN 111045182 A CN111045182 A CN 111045182A CN 201911235479 A CN201911235479 A CN 201911235479A CN 111045182 A CN111045182 A CN 111045182A
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- China
- Prior art keywords
- lens
- magnification
- handle
- lens frame
- threaded
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- 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
Abstract
The invention discloses a zoom lens which comprises a lens frame, a lens handle, a magnification adjusting push rod, a magnification adjusting pipe, a threaded rotating shaft and a magnification locking button, wherein a sealable filling opening is formed in the top of the lens frame, the lens frame is of an integrated structure, the lens handle is connected with the lens frame, a connecting pipe is arranged at one end, away from the lens frame, of the lens handle, an accommodating space is formed in the lens handle, the magnification adjusting push rod is movably arranged in the accommodating space of the lens handle, the magnification adjusting pipe is rotatably arranged on the connecting pipe, the threaded rotating shaft is arranged in the magnification adjusting pipe and is in threaded connection with the magnification adjusting pipe, and the magnification locking button is rotatably arranged at the rear end of the magnification adjusting pipe. Compared with the prior art, the lens is provided with the magnification adjusting tube, the threaded rotating shaft and the magnification adjusting push rod, so that the lens realizes the stepless and continuous magnification conversion between positive and negative curvatures by converting the force of the magnification adjusting tube into the forward or backward force of the magnification adjusting push rod.
Description
Technical Field
The invention relates to the field of optics, in particular to a zoom lens.
Background
The lens can be widely applied to various fields such as security, vehicle-mounted, digital cameras, lasers, optical instruments and the like, and the lens technology is more and more widely applied along with the continuous development of the market.
Although some lenses can be combined for zooming, the invention provides a zoom lens which can solve the problem.
Disclosure of Invention
The present invention is directed to a variable power lens, which changes a magnification by converting a rotational force into a forward or backward force of a magnification adjustment push rod using a rotational magnification adjustment tube, so as to solve the problems of the related art.
In order to achieve the purpose, the invention provides the following technical scheme: a zoom lens comprises a lens frame, wherein a sealable filling port is arranged at the top of the lens frame, and the lens frame is of an integrated structure; the lens handle is connected with the lens frame, a connecting pipe is arranged at one end of the lens handle, which is far away from the lens frame, and an accommodating space is arranged inside the lens handle; the magnification adjusting push rod is movably arranged in the accommodating space of the lens handle; the multiplying power adjusting pipe is rotatably arranged on the connecting pipe; the thread rotating shaft is arranged in the multiplying power adjusting pipe and is in threaded connection with the multiplying power adjusting pipe; and the magnification locking button is rotatably arranged at the rear end of the magnification adjusting pipe.
As a preferable technical scheme of the invention, the lens frame consists of a light-transmitting film compression ring, a flexible lens film and high-light-transmitting lens liquid.
As a preferable technical scheme of the invention, an elastic sealing ring is arranged at the joint of the lens frame and the lens handle, and the elastic sealing ring can deform to extrude the high-light-transmittance lens liquid.
As a preferred technical solution of the present invention, the magnification adjusting push rod is provided with a magnification thrust piston at one end close to the lens frame, and a pressure rod at one end far from the lens frame.
As a preferred technical scheme of the invention, the press rod is provided with a round convex block, the connecting pipe is provided with a sliding groove matched with the round convex block, and the round convex block can move on the sliding groove.
According to a preferable technical scheme of the invention, oil is arranged between the multiplying power adjusting pipe and the pressure rod through the threaded rotating shaft, and oil sealing rings are respectively arranged at one ends of the threaded rotating shaft and the pressure rod, which are close to the oil.
As a preferable technical scheme, a threaded column is arranged on the multiplying power locking button, a threaded hole is formed in one end, close to the threaded column, of the threaded rotating shaft, and the threaded column is matched with the threaded hole.
As a preferable technical scheme of the invention, the magnification adjusting push rod is provided with a magnification indicating needle, the lens handle is provided with a scale groove, and the magnification indicating needle can move in the scale groove.
As a preferable technical scheme of the invention, the multiplying power adjusting pipe is provided with a wire groove.
Compared with the prior art, the invention has the beneficial effects that: according to the variable power lens, the power adjusting tube, the threaded rotating shaft and the power adjusting push rod are arranged, so that the lens can change the rotating force of the threaded rotating shaft into the advancing or retreating force of the power adjusting push rod, the power of the lens can be continuously and steplessly changed between positive and negative curvatures, and the needed power can be easily adjusted and locked through the power locking button and the power indicating needle.
Drawings
FIG. 1 is a schematic view of the overall structure of the present invention;
FIG. 2 is a schematic view of the assembly structure of the present invention;
in the figure: 1. a magnification locking button; 2. a threaded post; 3. a magnification adjusting tube; 4. a wire groove; 5. a threaded hole; 6. a threaded shaft; 7. an oil sealing ring; 8. a pressure lever; 9. a circular bump; 10. a multiplying power adjusting push rod; 11. a magnification pointer; 12. a thrust piston; 13. a connecting pipe; 14. a chute; 15. a lens handle; 16. a scale groove; 17. an elastic sealing ring; 18. a filling port; 20. a lens frame; 201. a light-transmitting film compression ring; 202. a flexible lens film; 203. high light transmittance lens liquid.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
In the description of the present invention, it should be noted that the terms "vertical", "upper", "lower", "horizontal", and the like indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of describing the present invention and simplifying the description, but do not indicate or imply that the referred device or element must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention.
In the description of the present invention, it should also be noted that, unless otherwise explicitly specified or limited, the terms "disposed," "mounted," "connected," and "connected" are to be construed broadly and may, for example, be fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.
Referring to fig. 1-2, the present invention provides a technical solution: a zoom lens comprises a lens frame 20, preferably, a sealable filling opening 18 is formed in the top of the lens frame 20, the lens frame 20 is of an integrated structure, the lens frame 20 is composed of a light-transmitting film pressing ring 201, a flexible lens film 202 and high-light-transmitting lens liquid 203, the high-light-transmitting lens liquid 203 can be filled through the sealable filling opening 18 formed in the top of the lens frame 20, the flexible lens film 202 is a flexible high-light-transmitting film and can be deformed, such as a silicon hydrogel film, the high-light-transmitting lens liquid 203 is high-light-transmitting liquid which is filled in the flexible lens film 202 and has diopter changed, such as pure water and the like, and the light-transmitting film pressing ring 201 is used for sealing the high-light-transmitting lens liquid 203 in the flexible lens film 202.
Preferably, the lens handle 15 is connected to the lens frame 20, an elastic sealing ring 17 is disposed at a connection position of the lens frame 20 and the lens handle 15, the elastic sealing ring 17 can change a pressure applied to the high-transmittance lens liquid 203 due to a deformation, the high-transmittance lens liquid 203 is subjected to a pressure change, the flexible lens film 202 is deformed, and then a curvature of the flexible lens film 202 is changed, so as to change a magnification of the lens, and continuously change the pressure of the high-transmittance lens liquid 203, the magnification of the lens can be continuously changed, further, preferably, the lens handle 15 is provided with the connecting pipe 13 at an end away from the lens frame 20, and the lens handle 20 has an accommodating space therein.
Preferably, the magnification adjusting push rod 10 is movably arranged in the accommodating space of the lens handle 15, the magnification adjusting push rod 10 is provided with a magnification thrust piston 12 at one end close to the lens frame 20, a press rod 8 is arranged at one end far away from the lens frame 20, the press rod 8 is provided with a circular bump 9, the connecting pipe 13 is provided with a chute 14 matched with the circular bump 9, the circular bump 9 can move on the chute 14, the press rod 8 is pressed to move forwards or backwards relative to the lens frame 20 to drive the magnification adjusting push rod 10 to move, so that the magnification thrust piston 12 close to one end of the lens frame 20 presses or releases the elastic sealing ring 17 to deform the elastic sealing ring 17, further, preferably, the magnification adjusting push rod 10 is provided with a magnification indicating needle 11, the lens handle 15 is provided with a scale groove 16, the magnification indicating needle 11 is matched with the scale groove 16, the magnification indicating needle 11 can move in the scale groove 16, and is matched with the scale groove 16 through the magnification indicating, the lens magnification can be accurately adjusted.
Further, preferably, the magnification adjustment tube 3 is rotatably provided on the connection tube 13, the magnification adjustment tube 3 is provided with a wire groove 4, the contact friction force of the magnification adjustment tube 3 is increased through the wire groove 4, and the magnification adjustment tube can be slightly controlled to rotate until the proper magnification is adjusted.
Further, preferably, the screw spindle 6 is arranged in the magnification adjusting pipe 3 and is in threaded connection with the magnification adjusting pipe 3, the screw spindle 6 is provided with oil between the magnification adjusting pipe 3 and the pressure rod 8, the screw spindle 6 and the pressure rod 8 are respectively provided with an oil sealing ring 7 at one end close to the oil, when the magnification adjusting pipe 3 is rotated, because the magnification adjusting pipe 3 is in threaded connection with the screw spindle 6, the screw spindle 6 moves forwards or backwards relative to the lens frame 20 in the magnification adjusting pipe 3, and the pressure rod 8 is driven to move forwards or backwards through the cooperation of the oil sealing ring 7 and the oil to adjust the magnification.
Further, preferably, the multiplying power locking button 1 is rotatable establishes in multiplying power control tube 3 rear end, be equipped with screw thread post 2 on the multiplying power locking button 1, screw thread pivot 6 is being close to screw thread post one end and is being equipped with screw hole 5, screw thread post 2 and screw hole 5 cooperate, when reaching required multiplying power through the multiplying power adjustment, for preventing that the mistake from touching multiplying power control tube 3 and causing the multiplying power to change, with multiplying power locking button 1 screw in to multiplying power control tube 3, screw thread post 2 on the multiplying power locking button 1 cooperatees with screw hole 5 on the screw thread pivot 6, inject the position of screw thread pivot 6, guarantee that the multiplying power can not change.
The working principle is as follows:
when adjusting the magnification, the user rotates the magnification adjusting tube 3, because the magnification adjusting tube 3 is in threaded connection with the threaded rotating shaft 6, the threaded rotating shaft 6 moves forwards or backwards in the magnification adjusting tube 3 relative to the lens frame 20, the oil drives the pressure rod 8 on the magnification adjusting push rod 10 to move forwards or backwards, so that the thrust piston 12 on the magnification adjusting push rod 10 extrudes or releases the elastic sealing ring 17, the elastic sealing ring 17 can deform to change the pressure on the high-transmittance lens liquid 203, the high-transmittance lens liquid 203 deforms the flexible lens film 202 by the pressure change to change the curvature of the flexible lens film 202, so as to change the magnification of the lens, and continuously change the pressure on the high-transmittance lens liquid 203, the magnification of the lens can continuously change, the thread groove 4 is arranged on the magnification adjusting tube 3, the magnification adjusting push rod 10 is provided with a magnification indicating needle 11 and a scale groove 16 is arranged on the lens handle 15, multiplying power pointer 11 cooperatees with scale groove 16, multiplying power pointer 11 can move in scale groove 16, but the accurate adjustment lens magnification, when reaching required multiplying power through the multiplying power adjustment, for preventing that the mistake from touching multiplying power regulation pipe 3 and causing the multiplying power to change, lock 1 screw in multiplying power regulation pipe 3 with multiplying power, the screw hole 5 on 2 and the screw thread pivot 6 of screw thread post on the multiplying power locking button 1 cooperatees, inject the position of screw thread pivot 6, guarantee that the multiplying power can not change.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (9)
1. A variable power lens, comprising:
the lens comprises a lens frame, a lens cover and a lens, wherein the top of the lens frame is provided with a sealable filling port, and the lens frame is of an integrated structure;
the lens handle is connected with the lens frame, a connecting pipe is arranged at one end of the lens handle, which is far away from the lens frame, and an accommodating space is arranged inside the lens handle;
the magnification adjusting push rod is movably arranged in the accommodating space of the lens handle;
the multiplying power adjusting pipe is rotatably arranged on the connecting pipe;
the thread rotating shaft is arranged in the multiplying power adjusting pipe and is in threaded connection with the multiplying power adjusting pipe;
and the magnification locking button is rotatably arranged at the rear end of the magnification adjusting pipe.
2. The zoom lens of claim 1, wherein the lens frame comprises a light-transmitting film pressing ring, a flexible lens film and a high-light-transmitting lens liquid.
3. A zoom lens according to claim 2, wherein an elastic sealing ring is disposed at the joint of the lens frame and the lens handle, and the elastic sealing ring can deform to squeeze the lens liquid with high light transmittance.
4. The variable power lens as claimed in claim 1, wherein the power adjusting push rod is provided with a power pushing piston at an end close to the lens frame and a pressure rod at an end far from the lens frame.
5. The zoom lens of claim 4, wherein the compression bar has a circular protrusion, the connecting tube has a sliding slot matching with the circular protrusion, and the circular protrusion can move on the sliding slot.
6. The zoom lens of claim 5, wherein the threaded spindle has oil disposed between the power adjusting tube and the pressure rod, and the threaded spindle and the pressure rod have respective oil seals disposed at ends thereof adjacent to the oil.
7. A variable power lens as claimed in claim 1, wherein the magnification lock button is provided with a threaded post, the threaded shaft is provided with a threaded hole near one end of the threaded post, and the threaded post and the threaded hole are matched.
8. The zoom lens of claim 1, wherein the magnification adjusting push rod is provided with a magnification indicating needle, the lens handle is provided with a scale groove, and the magnification indicating needle can move in the scale groove.
9. A variable power lens as claimed in claim 1, wherein a thread groove is provided on the magnification adjustment tube.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911235479.6A CN111045182A (en) | 2019-12-05 | 2019-12-05 | Variable power lens |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911235479.6A CN111045182A (en) | 2019-12-05 | 2019-12-05 | Variable power lens |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN111045182A true CN111045182A (en) | 2020-04-21 |
Family
ID=70234702
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201911235479.6A Pending CN111045182A (en) | 2019-12-05 | 2019-12-05 | Variable power lens |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN111045182A (en) |
Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2773716Y (en) * | 2005-03-22 | 2006-04-19 | 李鑫 | Zoom lens |
| CN1910479A (en) * | 2004-01-07 | 2007-02-07 | 皇家飞利浦电子股份有限公司 | Zoom optical system |
| CN201965249U (en) * | 2011-03-25 | 2011-09-07 | 杜锡军 | Adjustable type lens |
| CN202837675U (en) * | 2012-09-12 | 2013-03-27 | 邹昊伯 | Zooming magnifier |
| CN203117444U (en) * | 2013-03-14 | 2013-08-07 | 陈晨 | Variable-focus convex-concave interconverting lens |
| CN205899058U (en) * | 2016-06-28 | 2017-01-18 | 天津市鑫华鼎立光电技术有限公司 | Camera lens with adjustable |
| JP2017227760A (en) * | 2016-06-22 | 2017-12-28 | ソニー株式会社 | Liquid lens and method for driving the same, imaging device, and display device |
| CN209487005U (en) * | 2019-01-04 | 2019-10-11 | 王昕波 | A kind of variable focal length water lens |
| CN211086736U (en) * | 2019-12-05 | 2020-07-24 | 安徽银汉机电科技有限公司 | Stepless continuous zoom lens |
-
2019
- 2019-12-05 CN CN201911235479.6A patent/CN111045182A/en active Pending
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1910479A (en) * | 2004-01-07 | 2007-02-07 | 皇家飞利浦电子股份有限公司 | Zoom optical system |
| CN2773716Y (en) * | 2005-03-22 | 2006-04-19 | 李鑫 | Zoom lens |
| CN201965249U (en) * | 2011-03-25 | 2011-09-07 | 杜锡军 | Adjustable type lens |
| CN202837675U (en) * | 2012-09-12 | 2013-03-27 | 邹昊伯 | Zooming magnifier |
| CN203117444U (en) * | 2013-03-14 | 2013-08-07 | 陈晨 | Variable-focus convex-concave interconverting lens |
| JP2017227760A (en) * | 2016-06-22 | 2017-12-28 | ソニー株式会社 | Liquid lens and method for driving the same, imaging device, and display device |
| CN205899058U (en) * | 2016-06-28 | 2017-01-18 | 天津市鑫华鼎立光电技术有限公司 | Camera lens with adjustable |
| CN209487005U (en) * | 2019-01-04 | 2019-10-11 | 王昕波 | A kind of variable focal length water lens |
| CN211086736U (en) * | 2019-12-05 | 2020-07-24 | 安徽银汉机电科技有限公司 | Stepless continuous zoom lens |
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