CN110261983B - Driving device for camera lens - Google Patents
Driving device for camera lens Download PDFInfo
- Publication number
- CN110261983B CN110261983B CN201910481413.9A CN201910481413A CN110261983B CN 110261983 B CN110261983 B CN 110261983B CN 201910481413 A CN201910481413 A CN 201910481413A CN 110261983 B CN110261983 B CN 110261983B
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- China
- Prior art keywords
- cylinder
- spiral
- light inlet
- camera body
- sliding strip
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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
-
- G—PHYSICS
- G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
- G03B—APPARATUS OR ARRANGEMENTS FOR TAKING PHOTOGRAPHS OR FOR PROJECTING OR VIEWING THEM; APPARATUS OR ARRANGEMENTS EMPLOYING ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ACCESSORIES THEREFOR
- G03B13/00—Viewfinders; Focusing aids for cameras; Means for focusing for cameras; Autofocus systems for cameras
- G03B13/32—Means for focusing
- G03B13/34—Power focusing
Abstract
The invention discloses a driving device for a camera lens, and relates to the technical field of cameras. The invention comprises a camera body, wherein the side surface of the camera body is communicated with a light inlet inner cylinder; a spiral chute is arranged on the peripheral side surface of the light inlet inner cylinder, the light inlet inner cylinder is respectively matched with a rotary cylinder and a moving cylinder, and the rotary cylinder is positioned between the moving cylinder and the camera body; wherein, the rotary drum is rotationally connected with the peripheral side surface of the light inlet inner cylinder; a first spiral sliding strip is arranged between the rotary drum and the light inlet inner cylinder. The rotary drum is driven to rotate by the driving mechanism, and the sliding groove is in sliding fit with the sliding block, so that the first spiral sliding strip slides along the spiral sliding groove, the first spiral sliding strip pushes the second spiral sliding strip to slide spirally, and finally, the movement of the movable drum along the axial direction of the light inlet inner drum is realized while the rotation of the movable drum is realized, and the adjustment of the focal length is realized.
Description
Technical Field
The invention belongs to the technical field of cameras, and particularly relates to a driving device for a camera lens.
Background
As people's demands for quality of life have increased, more and more people have begun to use cameras to preserve beauty of life; people are often seen to shoot nice moments in scenic spots or in daily life and work through cameras and the like.
Most of the existing cameras focus the lens of the camera through manual adjustment so as to shoot overall or local details; when people hold the camera by using the two hand supports, the shooting posture or angle kept by people is damaged by manual focusing, and certain trouble is brought to shooting of people; therefore, a driving apparatus for a camera lens has yet to be developed to improve efficiency and convenience of photographing for people.
Disclosure of Invention
The invention aims to provide a driving device for a camera lens, wherein a rotary drum is driven to rotate by a driving mechanism, and a sliding groove is in sliding fit with a sliding block, so that a first spiral sliding strip slides along the spiral sliding groove, and then the first spiral sliding strip pushes a second spiral sliding strip to slide spirally, and finally the movable drum rotates automatically and moves along the axial direction of a light inlet inner drum, so that the focal length is adjusted, and the problem of inconvenience in manual focal length adjustment and trouble caused by the fact that people take photos currently is solved.
In order to solve the technical problems, the invention is realized by the following technical scheme:
the invention relates to a driving device for a camera lens, which comprises a camera body, wherein the side surface of the camera body is communicated with a light inlet inner cylinder; a spiral chute is formed in the peripheral side surface of the light inlet inner cylinder, the light inlet inner cylinder is respectively matched with a rotary cylinder and a moving cylinder, and the rotary cylinder is positioned between the moving cylinder and the camera body;
the rotating cylinder is rotationally connected with the peripheral side surface of the light inlet inner cylinder; a first spiral sliding strip is arranged between the rotary drum and the light inlet inner cylinder; the inner surface of the rotary drum is provided with a plurality of sliding chutes along the direction of the central axis; the rotary drum is driven to rotate by a driving mechanism;
the first spiral sliding strip and the spiral sliding groove form sliding fit, and a sliding block in sliding fit with the sliding groove is fixed on the first spiral sliding strip;
the inner surface of the moving cylinder is connected with the second spiral sliding strip through a fixed block, and a lens is arranged on the end face, far away from the camera body, of the moving cylinder; the second spiral sliding strip and the spiral sliding groove form sliding fit;
further, the second spiral sliding strip is connected with the first spiral sliding strip through a magnet.
Further, the driving mechanism comprises a fixed ring barrel, a motor and a gear; the end face of the fixed ring cylinder is fixedly arranged on the side face of the camera body; a transmission port is formed in the peripheral side surface of the fixed ring cylinder; a motor is fixedly arranged on the fixed ring cylinder;
and a gear is fixed on an output shaft of the motor, penetrates through the transmission port and is in meshed transmission with an external gear fixed on the peripheral side surface of the rotary drum.
Furthermore, a protective box body is fixedly installed on the peripheral side face of the fixed ring cylinder, a protective chamber is formed among the protective box body, the rotary cylinder and the camera body, and the motor and the gear are located in the protective space.
Further, the end surface diameter of the moving cylinder is between the end surface diameter of the rotating cylinder and the end surface diameter of the fixed ring cylinder.
Furthermore, an annular sliding groove is formed in the peripheral side face, close to the camera body, of the light inlet inner cylinder, and the annular sliding groove is in sliding fit with an annular sliding strip fixed on the inner surface of the rotary drum.
The invention has the following beneficial effects:
the rotary drum is driven to rotate by the driving mechanism, and the sliding groove is in sliding fit with the sliding block, so that the first spiral sliding strip slides along the spiral sliding groove, the first spiral sliding strip pushes the second spiral sliding strip to slide spirally, and finally, the movement of the movable drum along the axial direction of the light inlet inner drum is realized while the rotation of the movable drum is realized, and the adjustment of the focal length is realized.
Of course, it is not necessary for any product in which the invention is practiced to achieve all of the above-described advantages at the same time.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings used in the description of the embodiments will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art that other drawings can be obtained according to the drawings without creative efforts.
Fig. 1 is a sectional view of a driving apparatus for a camera lens according to the present invention;
FIG. 2 is an enlarged view of the structure at A in FIG. 1;
FIG. 3 is a schematic view of the structure of the drum of the present invention;
FIG. 4 is a schematic view of the mounting of a second helical slide of the present invention on a traveling drum;
in the drawings, the components represented by the respective reference numerals are listed below:
1-camera body, 2-light inlet inner cylinder, 3-rotating cylinder, 4-moving cylinder, 5-first spiral sliding strip, 6-driving mechanism, 7-second spiral sliding strip, 201-spiral sliding groove, 202-annular sliding groove, 301-sliding groove, 302-outer gear, 303-annular sliding strip, 401-fixed block, 501-sliding block, 601-fixed ring cylinder, 602-motor, 603-gear and 604-protective box body.
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 is to be understood that the terms "disposed," "open," "end," "surface," "inner," "peripheral side," and the like are used merely for convenience in describing the invention and to simplify the description, and do not indicate or imply that the components or elements so referred to must have a particular orientation, be constructed and operated in a particular orientation, and are not to be considered as limiting the invention.
As shown in fig. 1, 3 and 4, the present invention is a driving device for a camera lens, including a camera body 1, wherein a light inlet inner barrel 2 is communicated with a side surface of the camera body 1; a spiral chute 201 is arranged on the peripheral side surface of the light inlet inner cylinder 2, the light inlet inner cylinder 2 is respectively matched with a rotary cylinder 3 and a movable cylinder 4, and the rotary cylinder 3 is positioned between the movable cylinder 4 and the camera body 1; a lens is arranged on the side surface of the light inlet inner cylinder 2 far away from the camera body 1; the light inlet inner cylinder 2 can be provided with aperture blades to input the light quantity in the light inlet inner cylinder 2;
wherein, the rotary drum 3 is rotationally connected with the peripheral side surface of the light inlet inner cylinder 2; a first spiral sliding strip 5 is arranged between the rotary drum 3 and the light inlet inner cylinder 2; the inner surface of the rotary drum 3 is provided with a plurality of sliding chutes 301 along the direction of the central axis; the rotary drum 3 is driven to rotate by a driving mechanism 6;
the first spiral sliding strip 5 is in sliding fit with the spiral sliding groove 201, and a sliding block 501 in sliding fit with the sliding groove 301 is fixed on the first spiral sliding strip 5;
the inner surface of the moving cylinder 4 is connected with the second spiral sliding strip 7 through the fixing block 401, and the end surface of the moving cylinder 4 far away from the camera body 1 is provided with a lens; the second spiral sliding strip 7 is in sliding fit with the spiral sliding groove 201;
wherein the second helical slide 7 is connected with the first helical slide 5 by a magnet.
As shown in fig. 2, the driving mechanism 6 includes a fixed ring cylinder 601, a motor 602, and a gear 603; the end face of the fixed ring cylinder 601 is fixedly arranged on the side face of the camera body 1; a transmission port is formed on the peripheral side surface of the fixed ring cylinder 601; a motor 602 is fixedly arranged on the fixed ring cylinder 601; the motor 602 can be electrically connected with a microprocessor or a control panel inside the camera, and the microprocessor or the control panel is electrically connected with two buttons, so that people can conveniently control the start and stop of the motor 602 through the two buttons;
a gear 603 is fixed on the output shaft of the motor 602, and the gear 603 penetrates through the transmission port and is in meshing transmission with the external gear 302 fixed on the peripheral side surface of the drum 3.
Wherein, a protective box 604 is fixedly installed on the peripheral side surface of the fixed ring cylinder 601, a protective chamber is formed between the protective box 604 and the rotating cylinder 3 and the camera body 1, and the motor 602 and the gear 603 are both positioned in the protective space.
The end surface diameter of the movable cylinder 4 is between the end surface diameter of the rotary cylinder 3 and the end surface diameter of the fixed ring cylinder 601.
Wherein, the light inlet inner cylinder 2 is provided with an annular sliding groove 202 on the peripheral side surface close to the camera body 1, and the annular sliding groove 202 forms sliding fit with an annular sliding strip 303 fixed on the inner surface of the rotary cylinder 3.
One specific application of this embodiment is:
when people find a shooting angle or a shooting posture, people hold the camera by hand, then press the button to control the start and stop of the motor 602 by an index finger, a ring finger or a middle finger, and the motor 602 drives the rotary drum 3 to rotate through the meshing relationship of the gear 603 and the outer gear 302; since the sliding groove 301 is in sliding fit with the sliding block 501, the rotating drum 3 is driven to rotate under the action of the sliding groove 301, and since the first spiral sliding strip 5 is in sliding fit with the spiral sliding groove 201, the rotating drum 3 drives the first spiral sliding strip 5 to slide along the spiral sliding groove 201, and the rotating drum 3 moves along the central axis direction of the rotating drum 3 while rotating, i.e. performs spiral motion;
because the second spiral sliding strip 7 is connected with the first spiral sliding strip 5 through the magnet, the first spiral sliding strip 5 drives the second spiral sliding strip 7 to slide along the spiral sliding groove 201, the moving cylinder 4 is driven by the second spiral sliding strip 7 to rotate and move along the central axis direction of the moving cylinder 4, namely, to perform spiral motion, and finally, the lens on the end surface of the light inlet inner cylinder 2 is driven to move, so that the focal length adjustment of the camera lens is realized.
In the description herein, references to the description of "one embodiment," "an example," "a specific example" or the like are intended to mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.
The preferred embodiments of the invention disclosed above are intended to be illustrative only. The preferred embodiments are not intended to be exhaustive or to limit the invention to the precise embodiments disclosed. Obviously, many modifications and variations are possible in light of the above teaching. The embodiments were chosen and described in order to best explain the principles of the invention and the practical application, to thereby enable others skilled in the art to best utilize the invention. The invention is limited only by the claims and their full scope and equivalents.
Claims (5)
1. The utility model provides a drive arrangement for camera lens, includes camera body (1), the side intercommunication of camera body (1) has one to advance light inner tube (2), its characterized in that:
a spiral chute (201) is formed in the peripheral side surface of the light inlet inner cylinder (2), the light inlet inner cylinder (2) is respectively matched with a rotary cylinder (3) and a movable cylinder (4), and the rotary cylinder (3) is positioned between the movable cylinder (4) and the camera body (1);
wherein the rotary drum (3) is rotationally connected with the peripheral side surface of the light inlet inner cylinder (2); a first spiral sliding strip (5) is arranged between the rotary drum (3) and the light inlet inner cylinder (2); a plurality of sliding grooves (301) are formed in the inner surface of the rotary drum (3) along the central axis direction; the rotary drum (3) is driven to rotate by a driving mechanism (6);
the first spiral sliding strip (5) is in sliding fit with the spiral sliding groove (201), and a sliding block (501) in sliding fit with the sliding groove (301) is fixed on the first spiral sliding strip (5);
the inner surface of the moving cylinder (4) is connected with a second spiral sliding strip (7) through a fixing block (401), and a lens is arranged on the end face, away from the camera body (1), of the moving cylinder (4); the second spiral sliding strip (7) is in sliding fit with the spiral sliding groove (201);
the second spiral sliding strip (7) is connected with the first spiral sliding strip (5) through a magnet.
2. A driving apparatus for a camera lens according to claim 1, wherein the driving mechanism (6) comprises a fixed ring cylinder (601), a motor (602), and a gear (603); the end face of the fixed ring cylinder (601) is fixedly arranged on the side face of the camera body (1); a transmission port is formed in the peripheral side surface of the fixed ring cylinder (601); a motor (602) is fixedly arranged on the fixed ring cylinder (601);
a gear (603) is fixed on an output shaft of the motor (602), and the gear (603) penetrates through the transmission port and is in meshing transmission with an external gear (302) fixed on the peripheral side surface of the rotary drum (3).
3. A driving apparatus for a camera lens according to claim 2, wherein a protective case (604) is fixedly installed on a peripheral side surface of the fixed ring cylinder (601), the protective case (604) forms a protective space with the rotary cylinder (3) and the camera body (1), and the motor (602) and the gear (603) are located in the protective space.
4. A driving apparatus for a camera lens according to claim 2, wherein the end surface diameter of the moving cylinder (4) is sized between the end surface diameter of the rotating cylinder (3) and the end surface diameter of the fixed ring cylinder (601).
5. The driving device for the camera lens according to claim 1, wherein the light inlet inner barrel (2) has an annular sliding groove (202) on the peripheral side surface close to the camera body (1), and the annular sliding groove (202) forms a sliding fit with an annular sliding strip (303) fixed on the inner surface of the rotary barrel (3).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910481413.9A CN110261983B (en) | 2019-06-04 | 2019-06-04 | Driving device for camera lens |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910481413.9A CN110261983B (en) | 2019-06-04 | 2019-06-04 | Driving device for camera lens |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN110261983A CN110261983A (en) | 2019-09-20 |
| CN110261983B true CN110261983B (en) | 2021-09-03 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910481413.9A Active CN110261983B (en) | 2019-06-04 | 2019-06-04 | Driving device for camera lens |
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| Country | Link |
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| CN (1) | CN110261983B (en) |
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| JPH0646255B2 (en) * | 1985-01-11 | 1994-06-15 | キヤノン株式会社 | Lens barrel with sub diaphragm |
| JPH08313784A (en) * | 1995-05-22 | 1996-11-29 | Kyocera Corp | Zoom lens barrel |
| JP3425833B2 (en) * | 1995-11-30 | 2003-07-14 | オリンパス光学工業株式会社 | Lens barrel |
| JP3790308B2 (en) * | 1996-10-09 | 2006-06-28 | 株式会社シグマ | Ultrasonic motor drive lens barrel |
| JP4521916B2 (en) * | 2000-02-10 | 2010-08-11 | キヤノン株式会社 | Cam barrel for lens barrel, lens barrel, and camera equipped with the same |
| JP2006267178A (en) * | 2005-03-22 | 2006-10-05 | Matsushita Electric Ind Co Ltd | Lens driving device and driving device |
| JP4674130B2 (en) * | 2005-07-21 | 2011-04-20 | 日東光学株式会社 | Lens holding unit |
| CN2874540Y (en) * | 2006-01-18 | 2007-02-28 | 凤凰光学(广东)有限公司 | Lens focus regulating structure of camera |
| JP2008209918A (en) * | 2007-02-02 | 2008-09-11 | Matsushita Electric Ind Co Ltd | Operating device and method of manufacture thereof |
| EP2056588B1 (en) * | 2007-10-30 | 2012-09-26 | STMicroelectronics (Research & Development) Limited | Adjustable lens mounting assembly |
| JP2011043676A (en) * | 2009-08-21 | 2011-03-03 | Fujifilm Corp | Lens barrel and photographing apparatus |
| CN103217856B (en) * | 2013-05-10 | 2016-07-06 | 厦门力鼎光电技术有限公司 | A kind of focus adjusting mechanism of monitoring camera |
| CN203981949U (en) * | 2014-06-27 | 2014-12-03 | 深圳市明日系统集成有限公司 | Spiral zoom lens and laser illuminator set |
| CN203950064U (en) * | 2014-07-04 | 2014-11-19 | 深圳银星精工科技发展有限公司 | A kind of focus adjusting mechanism of camera lens and camera lens |
| JP6809486B2 (en) * | 2016-02-02 | 2021-01-06 | ソニー株式会社 | Optical element drive device, interchangeable lens and image pickup device |
| CN207184558U (en) * | 2017-09-06 | 2018-04-03 | 深圳云基智能科技有限公司 | A kind of varifocal shooting mobile phone |
| CN208188456U (en) * | 2018-04-28 | 2018-12-04 | 深圳暴风统帅科技有限公司 | Camera settings and projection arrangement |
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- 2019-06-04 CN CN201910481413.9A patent/CN110261983B/en active Active
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| CN110261983A (en) | 2019-09-20 |
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| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| TA01 | Transfer of patent application right |
Effective date of registration: 20210817 Address after: 554300 plot a-24-01, high tech Industrial Development Zone, Tongren City, Guizhou Province Applicant after: Guizhou beiyitong Technology Co.,Ltd. Address before: 235300 Kan Youfang administrative village, Dangshan County Economic Development Zone, Suzhou City, Anhui Province 102 Applicant before: Kan Zhibo |
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| TA01 | Transfer of patent application right | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of invention: A Driving Device for Camera Lens Effective date of registration: 20221025 Granted publication date: 20210903 Pledgee: Tongren branch of China Construction Bank Corp. Pledgor: Guizhou beiyitong Technology Co.,Ltd. Registration number: Y2022520000044 |
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| PE01 | Entry into force of the registration of the contract for pledge of patent right |