CN107656349A - A kind of camera lens of anti-vibration - Google Patents
A kind of camera lens of anti-vibration Download PDFInfo
- Publication number
- CN107656349A CN107656349A CN201711075464.9A CN201711075464A CN107656349A CN 107656349 A CN107656349 A CN 107656349A CN 201711075464 A CN201711075464 A CN 201711075464A CN 107656349 A CN107656349 A CN 107656349A
- Authority
- CN
- China
- Prior art keywords
- main cylinder
- ring
- camera lens
- picture frame
- dead ring
- 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.)
- Pending
Links
- 230000033228 biological regulation Effects 0.000 claims abstract description 27
- 230000014759 maintenance of location Effects 0.000 claims abstract description 15
- 230000003287 optical effect Effects 0.000 claims abstract description 6
- 229920003023 plastic Polymers 0.000 claims description 11
- 239000004033 plastic Substances 0.000 claims description 11
- 229910000639 Spring steel Inorganic materials 0.000 claims description 4
- 238000005516 engineering process Methods 0.000 abstract description 4
- 238000010276 construction Methods 0.000 abstract description 3
- 230000006835 compression Effects 0.000 description 5
- 238000007906 compression Methods 0.000 description 5
- 238000006073 displacement reaction Methods 0.000 description 3
- 239000000463 material Substances 0.000 description 3
- 238000009434 installation Methods 0.000 description 2
- 230000005540 biological transmission Effects 0.000 description 1
- 230000000694 effects 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
- G02B7/022—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
- G02B7/026—Mountings, adjusting means, or light-tight connections, for optical elements for lenses using retaining rings or springs
-
- 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)
- Structure And Mechanism Of Cameras (AREA)
Abstract
The present invention relates to lens technology field, a kind of particularly camera lens of anti-vibration.The invention discloses a kind of camera lens of anti-vibration, including picture frame, main cylinder, regulation ring and retention mechanism, the picture frame is used to accommodate optical mirror slip, the picture frame is set in main cylinder, the regulation ring is rotatably set in outside main cylinder, the inner surface of the regulation ring is provided with straight trough, the main cylinder is provided with cam path, connector is provided with the cam path, described connector one end is fixedly connected with picture frame, the other end can be such that picture frame is moved axially relative to main cylinder with adjusting the straight trough of ring inner surface and being engaged so that rotating focusing ring, the retention mechanism is arranged on main cylinder, the retention mechanism is used to lock or unclamp regulation ring.The present invention greatly improves the stability of lens construction, has a preferable anti-vibration resistance, ensure camera lens can in the environment of height vibrations normal work and avoid camera lens out of focus and camera lens comes off, increase practicality, applicability of the camera lens under high vibration environment.
Description
Technical field
The invention belongs to lens technology field, more particularly to a kind of camera lens of anti-vibration.
Background technology
With technology and expanding economy, video camera, or even will be often in the environment of height shakes using more and more extensive
Use, such as shot with car.Camera lens is one of critical component of video camera, therefore also requires that it has preferable anti-vibration resistance.
Coordinate but the focus adjusting mechanism of existing camera lens typically coordinates transmission using screw thread, between screw thread and screw thread and certainly exist
Gap, easily it is subjected to displacement in the environment of height shakes and causes camera lens out of focus；Connecting seat and the direct threaded engagement connection of video camera,
Easily loosened in the environment of height shakes；Clenched admittedly using cone between main cylinder and connecting seat, held in the environment of height shakes
Cone nail easily occurs to loosen, causes connecting seat to be loosened with main cylinder, the serious camera lens that in turn results in is dropped from video camera, shot
Performance failure；Fastened after lens focus using fastening nail, fastening nail easily occur in the environment of height shakes and loosens,
Cause camera lens out of focus.
The content of the invention
It is above-mentioned to solve the problems, such as it is an object of the invention to provide a kind of camera lens of anti-vibration.
To achieve the above object, the technical solution adopted by the present invention is：A kind of camera lens of anti-vibration, including picture frame, main cylinder,
Regulation ring and retention mechanism, the picture frame are used to accommodate optical mirror slip, and the picture frame is set in main cylinder, and the regulation ring can turn
Dynamic to be set in outside main cylinder, the inner surface of the regulation ring is provided with straight trough, and the main cylinder is provided with cam path, set in the cam path
There is connector, described connector one end is fixedly connected with picture frame, and the other end is engaged so that turning with adjusting the straight trough of ring inner surface
Dynamic focusing ring can be such that picture frame is moved axially relative to main cylinder, and the retention mechanism is arranged on main cylinder, and the retention mechanism is used
In locking or unclamp regulation ring.
Further, the connector includes guide pin and plastic sheath is followed closely, and the guide pin, which is spirally connected, to be fixed on picture frame, the modeling
Material set nail is set in outside guide pin, and the cam path of the plastic sheath nail and main cylinder is interference fitted.
Further, the retention mechanism includes the first dead ring and the second dead ring, the first dead ring movable sleeve
Be located on main cylinder, second dead ring is screwed onto outside main cylinder, by rotating the second dead ring, promote the first dead ring relative to
Main cylinder moves axially, so as to lock or unclamp regulation ring.
Further, the first fastening ring inner surface is provided with guide groove vertically, is fixed with and leads on the main cylinder
To part, the guide groove is slidingly connected over the guide.
Further, boss and annular groove are additionally provided with the main cylinder, snap ring, the tune are arranged with the annular groove
Save ring and the first dead ring is spacing between boss and snap ring.
Further, the first stop washer is provided between first dead ring and the second dead ring.
Further, the rear end of the main cylinder is provided with interface thread, and camera lens is arranged on corresponding equipment by interface thread
On.
Further, the 3rd dead ring is also bolted with outside the main cylinder, the 3rd dead ring is used to compress accordingly
Equipment.
Further, the 3rd dead ring is provided with the second stop washer with the end face that corresponding equipment presses.
Further, second stop washer is wave washer, is made of spring steel.
The advantageous effects of the present invention：
The present invention substantially increases the stability of lens construction, has preferable anti-vibration resistance, ensures that camera lens can be in height
Normal work in the environment of vibrations and avoid that camera lens is out of focus and camera lens comes off, increase practicality of the camera lens under high vibration environment
Property, applicability.
Brief description of the drawings
Fig. 1 is the profile of the specific embodiment of the invention；
Fig. 2 is the enlarged drawing of part A in Fig. 1；
Fig. 3 is the partial sectional view of the specific embodiment of the invention；
Fig. 4 is the structure chart of the specific embodiment of the invention；
Fig. 5 is the part-structure figure one of the specific embodiment of the invention；
Fig. 6 is the part-structure figure two of the specific embodiment of the invention；
Fig. 7 is the part-structure figure three of the specific embodiment of the invention.
Embodiment
In conjunction with the drawings and specific embodiments, the present invention is further described.
As shown in figs. 1-7, a kind of camera lens of anti-vibration, including picture frame 1, main cylinder 2, regulation ring 3 and retention mechanism, the mirror
Frame 1 is used to accommodate optical mirror slip, and quantity, structure and its set-up mode in picture frame 1 of optical mirror slip can be according to reality
Need to be selected, be specifically referred to prior art, this is that those skilled in the art can realize easily, is no longer described in detail.
In this specific embodiment, the first trim ring 11 is bolted with the front end (i.e. left end in Fig. 1) of picture frame 1, the rear end of picture frame 1 is bolted with
Second trim ring 12, the first trim ring 11 and the second trim ring 12 are used to compress optical mirror slip and are in be rigidly connected with picture frame 1.
The picture frame 1 is set in main cylinder 2, and can be rotated relative to main cylinder 2 and be moved axially along main cylinder 2, the regulation ring 3
Rotatably it is set in outside main cylinder 2, the inner surface of the regulation ring 3 is provided with straight trough 31 vertically, and the main cylinder 2 is provided with spiral
The cam path 25 of shape, is provided with connector in the cam path 25, described connector one end is fixedly connected with picture frame 1, the other end and
The straight trough 31 of the inner surface of regulation ring 3 is engaged so that rotating focusing ring 3 can make picture frame 1 make axial movement realization relative to main cylinder 2
Shooting is focused on, and the retention mechanism is arranged on main cylinder 2, and the retention mechanism is used to lock or unclamp regulation ring 3, so as to realize
Picture frame 1 is not susceptible to displacement with main cylinder 2 and causes camera lens out of focus under high vibration environment.
In this specific embodiment, the connector includes guide pin 72 and plastic sheath nail 71, and the guide pin 72, which is spirally connected, to be fixed on
On picture frame 1, it is easy for installation and removal, the plastic sheath nail 71 is set in outside guide pin 72, and the plastic sheath nail 71 is convex with main cylinder 2
Race 25 and the straight trough of regulation ring 3 31 are interference fitted, and ensure that picture frame 1 is not susceptible to displacement with main cylinder 2 under high vibration environment
Cause camera lens out of focus.In this specific embodiment, the material of plastics guide pin 71 is POM plastic.
In this specific embodiment, the retention mechanism includes the first dead ring 4 and the second dead ring 5, first fastening
Ring 4 is set on main cylinder 2 in which can axially move, and the inner surface of the first dead ring 4 is provided with guide groove vertically, the main cylinder 2
On be fixed with guide 8, the guide groove is movably set on guide 8, passes through the cooperation of guide groove and guide 8 so that
First dead ring 4 only moves axially so, and can not rotate.The preferably plastics guide pin, but not limited to this of guide 8, modeling
Material guide pin 8, using the fixation that is spirally connected, is easily installed and dismantled with main cylinder 2.
In this specific embodiment, the quantity of cam path 25 is 2, is arranged on the opposite sides of main cylinder 2, accordingly, connection
Part, straight trough 31, the quantity of guide groove and guide 8 are also 2, and certainly, in other embodiments, the quantity of cam path 25 can be with
It is 1 or more than 3.
Second dead ring 5 is screwed onto outside main cylinder 2, specifically, in this specific embodiment, the main dead ring 5 of cylinder 2 and second
Matching thread for left hand thread 24, (certainly, in other embodiments or right-handed thread, this is people in the art
What member can realize easily, no longer describe in detail), by second dead ring 5 that turns clockwise, the first dead ring 4 is promoted relative to master
Cylinder 2 moves axially and compresses regulation ring 3 to the left, so as to reach the purpose of fastening adjustment ring 3.
Preferably, the first stop washer 41 is provided among the first dead ring 4 and the second dead ring 5, prevents the second dead ring 5
The regulation ring 3 that loosening in turn results in occurs under high vibration environment to loosen, avoids camera lens from occurring out of focus.
Specifically, the compression stroke 42 of the first stop washer 41, pressure are provided among the first dead ring 4 and the second dead ring 5
The width of contracting space 42 vertically is 0.75mm, and the thickness of the first stop washer 41 is preferably 0.5mm, and the first stop washer 41 is set
Put in compression stroke 42.
In this specific embodiment, the first stop washer 41 is wave washer, is made of spring steel, certainly, in other realities
Apply in example, existing other stop washers can also be used, this is that those skilled in the art can realize easily, no longer carefully
Say.
Further, the boss 21 and annular groove of annular are additionally provided with the main cylinder 2, snap ring is arranged with the annular groove
9, the dead ring 4 of regulation ring 3 and first is spacing between boss 21 and snap ring 9, and regulation ring 3 is located at the fastening of boss 21 and first
Between ring 4.The position of the dead ring 4 of regulation ring 3 and first is limited, convenient installation and regulation.
In this specific embodiment, the back end outer surface of the main cylinder 2 is provided with interface thread 22, and camera lens passes through interface thread 22
Installed in corresponding equipment, on video camera.I.e. main cylinder 2 is also used as connecting seat simultaneously, and main cylinder 2 and connecting seat are integrated,
The loosening in the environment of height shakes of connecting seat trip bolt is avoided to cause camera lens to drop from video camera, shoot performance failure
Further, the 3rd dead ring 6 is also bolted with outside the main cylinder 2, is taken the photograph when camera lens is arranged on by interface thread 22
When on camera, by rotating the 3rd dead ring 6, the 3rd dead ring 6 is compressed video camera, the 3rd dead ring 6 and video camera it
Between the second stop washer 61 is set, the 3rd dead ring 6 and video camera, both stress are extruded by the elastic force of the second stop washer 61
In the opposite direction, prevent lens interface from being loosened under high vibration environment, avoid camera lens from occurring out of focus.
In this specific embodiment, the matching thread of the main dead ring 6 of cylinder 2 and the 3rd is right-handed thread 23, certainly, in other realities
Apply in example or left hand thread, this is that those skilled in the art can realize easily, is no longer described in detail.
Further, compression stroke 62 of the 3rd dead ring 6 with being provided with the second stop washer 61 among video camera, compression are empty
Between 62 width vertically be 0.75mm, the thickness of the second stop washer 61 is preferably 0.5mm, and the second stop washer 61 is arranged on
In compression stroke 62.
In this specific embodiment, the second stop washer 61 is wave washer, is made of spring steel, certainly, in other realities
Apply in example, existing other stop washers can also be used, this is that those skilled in the art can realize easily, no longer carefully
Say.
In this specific embodiment, the outer surface of the second dead ring 5 and the 3rd dead ring 6 is equipped with anti-skidding raised line.
The present invention substantially increases the stability of lens construction, has preferable anti-vibration resistance, ensures that camera lens can be in height
Normal work in the environment of vibrations and avoid that camera lens is out of focus and camera lens comes off, increase practicality of the camera lens under high vibration environment,
Applicability.
Although specifically showing and describing the present invention with reference to preferred embodiment, those skilled in the art should be bright
In vain, do not departing from the spirit and scope of the present invention that appended claims are limited, in the form and details can be right
The present invention makes a variety of changes, and is protection scope of the present invention.
Claims (10)
- A kind of 1. camera lens of anti-vibration, it is characterised in that：Including picture frame, main cylinder, regulation ring and retention mechanism, the picture frame is used for Accommodate optical mirror slip, the picture frame is set in main cylinder, and the regulation ring is rotatably set in outside main cylinder, the regulation ring it is interior Surface is provided with straight trough, and the main cylinder is provided with cam path, connector, described connector one end and picture frame are provided with the cam path It is fixedly connected, the other end can make picture frame make axle relative to main cylinder with adjusting the straight trough of ring inner surface and being engaged so that rotating focusing ring To movement, the retention mechanism is arranged on main cylinder, and the retention mechanism is used to lock or unclamp regulation ring.
- 2. the camera lens of anti-vibration according to claim 1, it is characterised in that：The connector includes guide pin and plastic sheath Nail, the guide pin, which is spirally connected, to be fixed on picture frame, and the plastic sheath nail is set in outside guide pin, the cam of the plastic sheath nail and main cylinder Groove is interference fitted.
- 3. the camera lens of anti-vibration according to claim 1 or 2, it is characterised in that：The retention mechanism includes the first fastening Ring and the second dead ring, first dead ring are movably set on main cylinder, and second dead ring is screwed onto outside main cylinder, is passed through The second dead ring is rotated, promotes the first dead ring to be moved axially relative to main cylinder, so as to lock or unclamp regulation ring.
- 4. the camera lens of anti-vibration according to claim 3, it is characterised in that：The first fastening ring inner surface is provided with along axle To guide groove, be fixed with guide on the main cylinder, the guide groove is slidingly connected over the guide.
- 5. the camera lens of anti-vibration according to claim 4, it is characterised in that：Boss and snap ring are additionally provided with the main cylinder Groove, snap ring is arranged with the annular groove, the regulation ring and the first dead ring are spacing between boss and snap ring.
- 6. the camera lens of anti-vibration according to claim 3, it is characterised in that：First dead ring and the second dead ring it Between be provided with the first stop washer.
- 7. the camera lens of anti-vibration according to claim 1, it is characterised in that：The rear end of the main cylinder is provided with interface thread, Camera lens is arranged in corresponding equipment by interface thread.
- 8. the camera lens of anti-vibration according to claim 7, it is characterised in that：The 3rd fastening is also bolted with outside the main cylinder Ring, the 3rd dead ring are used to compress corresponding equipment.
- 9. the camera lens of anti-vibration according to claim 8, it is characterised in that：3rd dead ring and corresponding equipment pressure The end face of conjunction is provided with the second stop washer.
- 10. the camera lens of anti-vibration according to claim 9, it is characterised in that：Second stop washer is wave washer, It is made of spring steel.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711075464.9A CN107656349A (en) | 2017-11-06 | 2017-11-06 | A kind of camera lens of anti-vibration |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711075464.9A CN107656349A (en) | 2017-11-06 | 2017-11-06 | A kind of camera lens of anti-vibration |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107656349A true CN107656349A (en) | 2018-02-02 |
Family
ID=61096288
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201711075464.9A Pending CN107656349A (en) | 2017-11-06 | 2017-11-06 | A kind of camera lens of anti-vibration |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107656349A (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108761709A (en) * | 2018-08-21 | 2018-11-06 | 厦门力鼎光电股份有限公司 | A kind of lens interface clamp device |
| CN109375333A (en) * | 2018-12-21 | 2019-02-22 | 厦门力鼎光电股份有限公司 | A kind of lens construction |
| CN110119030A (en) * | 2019-06-19 | 2019-08-13 | 北京东方锐镭科技有限公司 | A kind of angle of divergence adjustable type beam expanding lens |
| CN110879452A (en) * | 2019-12-06 | 2020-03-13 | 湖北华中光电科技有限公司 | Continuous focusing mechanism and corresponding lens |
| CN111694201A (en) * | 2019-03-12 | 2020-09-22 | 上海丰宝电子信息科技有限公司 | Camera lens treated by transparent high-temperature-resistant coating |
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| US4281907A (en) * | 1978-08-21 | 1981-08-04 | Canon Kabushiki Kaisha | Arrangement for adjusting a member in a lens barrel for effecting a zooming function zoom lenses |
| JPS63193114A (en) * | 1987-02-05 | 1988-08-10 | Asahi Optical Co Ltd | Back-focal distance adjusting mechanism for zoom lens |
| JPH01136912U (en) * | 1988-03-14 | 1989-09-19 | ||
| JPH1031149A (en) * | 1996-07-16 | 1998-02-03 | Nikon Corp | Lens barrel |
| CN104067156A (en) * | 2012-01-30 | 2014-09-24 | 富士胶片株式会社 | Lens device |
| JP2017049466A (en) * | 2015-09-03 | 2017-03-09 | リコーイメージング株式会社 | Cam device |
| CN207336896U (en) * | 2017-11-06 | 2018-05-08 | 厦门力鼎光电技术有限公司 | A kind of camera lens of anti-vibration |
-
2017
- 2017-11-06 CN CN201711075464.9A patent/CN107656349A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4281907A (en) * | 1978-08-21 | 1981-08-04 | Canon Kabushiki Kaisha | Arrangement for adjusting a member in a lens barrel for effecting a zooming function zoom lenses |
| JPS63193114A (en) * | 1987-02-05 | 1988-08-10 | Asahi Optical Co Ltd | Back-focal distance adjusting mechanism for zoom lens |
| JPH01136912U (en) * | 1988-03-14 | 1989-09-19 | ||
| JPH1031149A (en) * | 1996-07-16 | 1998-02-03 | Nikon Corp | Lens barrel |
| CN104067156A (en) * | 2012-01-30 | 2014-09-24 | 富士胶片株式会社 | Lens device |
| JP2017049466A (en) * | 2015-09-03 | 2017-03-09 | リコーイメージング株式会社 | Cam device |
| CN207336896U (en) * | 2017-11-06 | 2018-05-08 | 厦门力鼎光电技术有限公司 | A kind of camera lens of anti-vibration |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108761709A (en) * | 2018-08-21 | 2018-11-06 | 厦门力鼎光电股份有限公司 | A kind of lens interface clamp device |
| CN108761709B (en) * | 2018-08-21 | 2024-01-23 | 厦门力鼎光电股份有限公司 | Lens interface fastening device |
| CN109375333A (en) * | 2018-12-21 | 2019-02-22 | 厦门力鼎光电股份有限公司 | A kind of lens construction |
| CN111694201A (en) * | 2019-03-12 | 2020-09-22 | 上海丰宝电子信息科技有限公司 | Camera lens treated by transparent high-temperature-resistant coating |
| CN110119030A (en) * | 2019-06-19 | 2019-08-13 | 北京东方锐镭科技有限公司 | A kind of angle of divergence adjustable type beam expanding lens |
| CN110879452A (en) * | 2019-12-06 | 2020-03-13 | 湖北华中光电科技有限公司 | Continuous focusing mechanism and corresponding lens |
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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 | ||
| CB02 | Change of applicant information |
Address after: 361000 26 Xinmei Road, Xinyang Industrial Zone, Haicang, Xiamen, Fujian Applicant after: Xiamen Li Ding Au Optronics Co Address before: 361000 26 Xinmei Road, Xinyang Industrial Zone, Haicang, Xiamen, Fujian Applicant before: Xiamen Leading Optics Co., Ltd. |
|
| CB02 | Change of applicant information |