CN207336896U - A kind of camera lens of anti-vibration - Google Patents
A kind of camera lens of anti-vibration Download PDFInfo
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- CN207336896U CN207336896U CN201721459355.2U CN201721459355U CN207336896U CN 207336896 U CN207336896 U CN 207336896U CN 201721459355 U CN201721459355 U CN 201721459355U CN 207336896 U CN207336896 U CN 207336896U
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- ring
- main cylinder
- camera lens
- frame
- dead ring
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Abstract
Lens technology field is the utility model is related to, particularly a kind of camera lens of anti-vibration.The utility model discloses a kind of camera lens of anti-vibration, including frame, main cylinder, regulation ring and retention mechanism, the frame is used to accommodate optical mirror slip, the frame is set in main cylinder, the regulation ring is rotatably set in outside main cylinder, the inner surface of the regulation ring is equipped with straight trough, the main cylinder is equipped with cam path, connector is equipped with the cam path, described connector one end is fixedly connected with frame, the other end can be such that 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 utility model greatly improves the stability of lens construction, has a preferable anti-vibration resistance, ensures that camera lens can work normally in the environment of height vibrations and avoid camera lens out of focus and camera lens comes off, increases practicality, applicability of the camera lens under high vibration environment.
Description
Technical field
The utility model 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 it with preferable anti-vibration resistance.
Coordinate but the focus adjusting mechanism of existing camera lens is generally driven using thread fitting, between screw thread and screw thread and certainly exist
Gap, is easily 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
The purpose of this utility model is to provide a kind of camera lens of anti-vibration to solve the problem above-mentioned.
To achieve the above object, the technical solution adopted in the utility model is：A kind of camera lens of anti-vibration, including frame,
Main cylinder, regulation ring and retention mechanism, the frame are used to accommodate optical mirror slip, and the frame is set in main cylinder, the adjusting
Ring is rotatably set in outside main cylinder, and the inner surface of the regulation ring is equipped with straight trough, and the main cylinder is equipped with cam path, the cam
Connector is equipped with groove, described connector one end is fixedly connected with frame, and the other end is engaged with adjusting the straight trough of ring inner surface
So that rotating focusing ring frame can be made to be moved axially relative to main cylinder, the retention mechanism is arranged on main cylinder, the fastening
Mechanism is used to lock 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 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 equipped 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 equipped between first dead ring and the second dead ring.
Further, the rear end of the main cylinder is equipped with interface thread, and camera lens is installed 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 corresponding
Equipment.
Further, the 3rd dead ring is equipped 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 utility model：
The utility model substantially increases the stability of lens construction, has preferable anti-vibration resistance, ensures that camera lens can
Worked normally in the environment of height vibrations and avoid that camera lens is out of focus and camera lens comes off, increase reality of the camera lens under high vibration environment
With property, applicability.
Brief description of the drawings
Fig. 1 is the profile of the utility model specific embodiment；
Fig. 2 is the enlarged drawing of part A in Fig. 1；
Fig. 3 is the partial sectional view of the utility model specific embodiment；
Fig. 4 is the structure chart of the utility model specific embodiment；
Fig. 5 is the part-structure figure one of the utility model specific embodiment；
Fig. 6 is the part-structure figure two of the utility model specific embodiment；
Fig. 7 is the part-structure figure three of the utility model specific embodiment.
Embodiment
The utility model is further illustrated in conjunction with the drawings and specific embodiments.
As shown in figs. 1-7, a kind of camera lens of anti-vibration, including 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 frame 1 of optical mirror slip can be according to reality
Need to make choice, be specifically referred to the 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 frame 1, the rear end of 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 with frame 1 in rigid connection.
The 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 equipped with straight trough 31 vertically, and the main cylinder 2 is equipped with spiral
The cam path 25 of shape, is equipped with connector in the cam path 25, and described connector one end is fixedly connected with frame 1, the other end and
The straight trough 31 of 3 inner surface of regulation ring is engaged so that rotating focusing ring 3 can make frame 1 make axial movement realization relative to main cylinder 2
Shooting focuses 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 fulfill
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 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 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 4 inner surface of the first dead ring is equipped with guide groove vertically, the main cylinder 2
On be fixed with guide part 8, the guide groove is movably set on guide part 8, passes through the cooperation of guide groove and guide part 8 so that
First dead ring 4 only moves axially so, and can not rotate.Guide part 8 is preferably plastics guide pin, but not limited to this, modeling
Material guide pin 8, using the fixation that is spirally connected, is easily installed and dismantles 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, correspondingly, connection
Part, straight trough 31, the quantity of guide groove and guide part 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, main 2 and second dead ring 5 of cylinder
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 rotating clockwise the second dead ring 5, 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 achieve the purpose that fastening adjustment ring 3.
Preferably, the first stop washer 41 is equipped 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 equipped 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
9,3 and first dead ring 4 of regulation ring 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 3 and first dead ring 4 of regulation ring is limited, convenient installation and adjusting.
In this specific embodiment, the back end outer surface of the main cylinder 2 is equipped 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 at the same time, 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 installed 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
Direction avoids camera lens from occurring out of focus on the contrary, prevent lens interface from being loosened under high vibration environment.
In this specific embodiment, the matching thread of main 2 and the 3rd dead ring 6 of cylinder 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 equipped 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 utility model substantially increases the stability of lens construction, has preferable anti-vibration resistance, ensures that camera lens can
Worked normally in the environment of height 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.
Although specifically showing and describing the utility model with reference to preferred embodiment, those skilled in the art should
This is understood, in the spirit and scope for not departing from the utility model that the appended claims are limited, in form and details
On the utility model can be made a variety of changes, be the scope of protection of the utility model.
Claims (10)
- A kind of 1. camera lens of anti-vibration, it is characterised in that：Including frame, main cylinder, regulation ring and retention mechanism, the frame is used for Accommodate optical mirror slip, the 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 equipped with straight trough, and the main cylinder is equipped with cam path, connector, described connector one end and frame are equipped with the cam path It is fixedly connected, the other end can make frame make axis 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 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 equipped with along axis To guide groove, be fixed with guide part 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, is arranged with snap ring in 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 equipped 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 equipped with interface thread, Camera lens is installed 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 equipped 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 |
|---|---|---|---|
| CN201721459355.2U CN207336896U (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 |
|---|---|---|---|
| CN201721459355.2U CN207336896U (en) | 2017-11-06 | 2017-11-06 | A kind of camera lens of anti-vibration |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207336896U true CN207336896U (en) | 2018-05-08 |
Family
ID=62364261
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721459355.2U Active CN207336896U (en) | 2017-11-06 | 2017-11-06 | A kind of camera lens of anti-vibration |
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| Country | Link |
|---|---|
| CN (1) | CN207336896U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107656349A (en) * | 2017-11-06 | 2018-02-02 | 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 CN201721459355.2U patent/CN207336896U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107656349A (en) * | 2017-11-06 | 2018-02-02 | 厦门力鼎光电技术有限公司 | A kind of camera lens of anti-vibration |
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CP01 | Change in the name or title of a patent holder | ||
| CP01 | Change in the name or title of a patent holder |
Address after: 361000 26 Xinmei Road, Xinyang Industrial Zone, Haicang, Xiamen, Fujian Patentee after: Xiamen Li Ding Au Optronics Co Address before: 361000 26 Xinmei Road, Xinyang Industrial Zone, Haicang, Xiamen, Fujian Patentee before: Xiamen Leading Optics Co., Ltd. |