CN203587940U - Camera lens fixing device - Google Patents
Camera lens fixing device Download PDFInfo
- Publication number
- CN203587940U CN203587940U CN201320812679.5U CN201320812679U CN203587940U CN 203587940 U CN203587940 U CN 203587940U CN 201320812679 U CN201320812679 U CN 201320812679U CN 203587940 U CN203587940 U CN 203587940U
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- CN
- China
- Prior art keywords
- cylinder
- pick
- pressure ring
- stationary installation
- outer peripheral
- 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.)
- Expired - Lifetime
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- 230000002093 peripheral effect Effects 0.000 claims abstract description 20
- 238000009434 installation Methods 0.000 claims description 15
- 230000001105 regulatory effect Effects 0.000 claims description 5
- 239000000463 material Substances 0.000 claims description 4
- 230000006835 compression Effects 0.000 abstract 4
- 238000007906 compression Methods 0.000 abstract 4
- NJPPVKZQTLUDBO-UHFFFAOYSA-N novaluron Chemical compound C1=C(Cl)C(OC(F)(F)C(OC(F)(F)F)F)=CC=C1NC(=O)NC(=O)C1=C(F)C=CC=C1F NJPPVKZQTLUDBO-UHFFFAOYSA-N 0.000 abstract 3
- 230000009286 beneficial effect Effects 0.000 abstract 1
- 238000003384 imaging method Methods 0.000 abstract 1
- 238000001914 filtration Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
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Abstract
The utility model discloses a camera lens fixing device which comprises a pedestal secured to a camera. The front end of the pedestal is provided with a cylinder, an inner hole of which is communicated to a rear end face of the pedestal. The inner hole of the cylinder is connected with the outer peripheral face of a lens main-cylinder. At least three radial holes are uniformly distributed in the middle part of the outer peripheral face of the cylinder. The inner wall at the back side of each radial hole extends forwards along the axial direction of the cylinder to form a deformable clip. The outer peripheral face of the cylinder at the back of multiple radial holes is provided with first external threads, to which a compression ring is screwed. By rotating the compression ring, the inner surface at the front end of the compression ring can fit with outer side surfaces of the multiple clips. Multiple clips are extruded on the inner surface at the front end of the compression ring such that front ends of the multiple clips simultaneously move to the central axis of the cylinder. Inner side surfaces of the multiple clips can clamp the outside surface of the lens main-cylinder which is inserted in the inner hole of the cylinder. According to the utility model, fixing accuracy of the lens main-cylinder is raised, imaging quality of the camera is ensured, and it is beneficial to the protection of the lens main-cylinder.
Description
Technical field
The utility model relates to picture pick-up device, especially a kind of stationary installation of pick-up lens.
Background technology
In picture pick-up device manufacturing technology field, between video camera and camera lens, to interconnect by a stationary installation, traditional way as shown in Figure 1, first a base 1a is set, front end at base 1a is provided with the cylinder 11a being connected with the main cylinder of camera lens 2a, rear end and the video camera of base 1a fix, and the main cylinder of camera lens 2a inserts after the endoporus of cylinder 11a, then utilize the trip bolt 3a that is spun on cylinder 1a radial screw bore to withstand the main cylinder of camera lens 2a outside surface camera lens is fixed.But the main cylinder of this fixed sturcture camera lens 2a easily tilts, easily there is nonaffine deformation in the poor and main cylinder of the camera lens 2a of the main cylinder of camera lens 2a fixed precision, has affected the image quality of video camera.
Utility model content
The technical problems to be solved in the utility model is to provide a kind of stationary installation of pick-up lens, has improved the fixed precision of the main cylinder of camera lens, guarantees the image quality of video camera, and is conducive to the main cylinder of len.
For achieving the above object, the technical solution of the utility model is: a kind of stationary installation of pick-up lens, comprise the base fixing with video camera, the front end of base is provided with cylinder, the endoporus of cylinder is communicated to the rear end face of base, the endoporus of cylinder is connected with the main cylinder of camera lens outer peripheral face, the middle part of described cylinder outer peripheral face is evenly equipped with at least three radial holes, the inwall of each radial hole rear side is axially extended with forward deformable clamp along cylinder, the outer peripheral face of the cylinder after a plurality of radial holes is provided with the first external thread, on described the first external thread, be rotary with pressure ring, rotation pressure ring can make the inside surface of pressure ring front end match with the lateral surface of a plurality of clamps simultaneously, the inside surface of pressure ring front end pushes a plurality of clamps the front end of a plurality of clamps is moved to cylinder central axis simultaneously, a plurality of clamp medial surfaces can clamp the outside surface that inserts the main cylinder of camera lens in cylinder endoporus.
Preferred described base is made by plastic material.Facilitate the distortion of clamp.
Further improve, front end is provided with chamfering outside each clamp, and the inside surface of pressure ring front end is also provided with chamfering and matches with the chamfering of front end outside each clamp.Facilitating the inside surface of pressure ring front end to push each clamp lateral surface makes each clamp move to cylinder central axis.
Further improve, the outer peripheral face of the cylinder before a plurality of radial holes is provided with the second external thread, on the second external thread, is rotary with regulating ring.Facilitate the relative position of the main cylinder of lens fine-tuning and base.
Further improve, on described the first external thread, be also rotary with dead ring and match with pressure ring.To prevent the loosening of pressure ring.Further improve, described dead ring outside is provided with two lugs that facilitate hand to pull again.
The uniform radial hole in preferred described cylinder outer peripheral face middle part is four or six.Convenient processing, the clamp that can make to be again arranged on each radial hole can clamp the main cylinder of camera lens reliably.
Further improve, the outside of described pressure ring is provided with two lugs that facilitate hand to pull.
Further improve, the side at described base rear portion is provided with the shrinkage pool that is communicated with described cylinder endoporus.By shrinkage pool, filtering apparatus can be conveniently installed.
The utility model is by rotation pressure ring, by the inside surface of pressure ring front end, to push at least three clamps the front end of a plurality of clamps is moved to cylinder central axis simultaneously simultaneously, then by a plurality of clamp medial surface clampings, inserted the outside surface of the main cylinder of camera lens in cylinder endoporus, because each clamp is axially to extend forward along cylinder from the inwall of each radial hole rear side, a plurality of clamps are also equally distributed on the outer peripheral face of cylinder, therefore a plurality of clamp medial surfaces can drive the central axis of the main cylinder of camera lens and the central axis of cylinder endoporus to coincide as far as possible, guarantee that the main cylinder of camera lens does not tilt, improved the fixed precision of the main cylinder of camera lens, guarantee the image quality of video camera.
In addition, the main cylinder of camera lens outer peripheral face is to contact with the medial surface of a plurality of clamps simultaneously, than withstand the main cylinder of camera lens outer peripheral face with trip bolt, is conducive to the main cylinder of len.
Accompanying drawing explanation
Fig. 1 is a kind of traditional fixed structure chart of camera lens;
Fig. 2 is the utility model front view;
Fig. 3 is the A-A cut-open view of Fig. 2;
Fig. 4 is the stereographic map of the utility model base;
Fig. 5 is the stereographic map of the utility model pressure ring;
Fig. 6 is the stereographic map of the utility model regulating ring;
Fig. 7 is the stereographic map of the utility model dead ring;
Fig. 8 is the main cylinder of the utility model and camera lens, the video camera schematic diagram that interfixes.
Embodiment
Below in conjunction with accompanying drawing and concrete embodiment, the utility model is described in further detail.
Shown in Fig. 1 to Fig. 7, a kind of stationary installation of pick-up lens, comprise the base 1 fixing with video camera, the front end of base 1 is provided with cylinder 11, the endoporus of cylinder 11 is communicated to the rear end face of base 1, the endoporus of cylinder 11 and the main cylinder of camera lens 2a outer peripheral face are connected, and the middle part of described cylinder 11 outer peripheral faces is evenly equipped with four radial holes 111, each radial hole 111 measure-alike and be square;
The inwall of each radial hole 111 rear side is axially extended with forward deformable clamp 12 along cylinder 11, outer peripheral face in a plurality of radial holes 111 cylinder is below provided with the first external thread 112, on described the first external thread 112, be rotary with pressure ring 2, rotation pressure ring 2 can make the inside surface of pressure ring 2 front ends match with the lateral surface of a plurality of clamps 12 simultaneously, the inside surface of pressure ring 2 front ends pushes a plurality of clamps 12 front end of a plurality of clamps 12 is moved to cylinder 11 central axis simultaneously, a plurality of clamp 12 medial surfaces can clamp the outside surface that inserts the main cylinder of camera lens 2a in cylinder 11 endoporus.
Preferred described base 1 is made by plastic material, and a plurality of clamps 12 are to be connected with the cylinder 11 of base 1 front end, and a plurality of clamps 12 of therefore being made by plastic material can be out of shape within the specific limits.
At each clamp 12 outside front end, be provided with chamfering 121, the inside surface of pressure ring 2 front ends is also provided with chamfering 21 and matches so that the front end of clamp 12 moves to cylinder 11 central axis with the chamfering 121 of each clamp 12 outside front end.
At the outer peripheral face in four radial holes 111 cylinder 11 above, be provided with the second external thread 113, on the second external thread 113, be rotary with regulating ring 3, regulating ring 3 can be used for the relative position of lens fine-tuning main cylinder 2a and base 1, further to improve the fixed precision of the main cylinder of camera lens 2a.
On the first external thread 112, be also rotary with dead ring 4 and match with pressure ring 2, after pressure ring 2 is rotated in place, can utilize dead ring 4 locking pressure rings 2 to prevent that pressure ring 2 is loosening.
The outside of described dead ring 4 is provided with two lugs 41 that facilitate hand to pull; The outside of described pressure ring 2 is also provided with two lugs 22 that facilitate hand to pull.
The side at described base 1 rear portion is provided with the shrinkage pool 13 that is communicated with described cylinder 11 endoporus, and shrinkage pool 13 can be used for installing filtering apparatus; Base 1 rear portion be also provided with two mounting holes 14, facilitate base to fix by screw and video camera.
When the present embodiment is used, as shown in Figure 8, first base 1 is fixed on the housing of video camera 10, then the main cylinder of camera lens 2a rear portion is inserted in cylinder 11 endoporus, rotation pressure ring 2 makes pressure ring 2 move to the direction of video camera 10, four clamps 12 of inside surface extruding of pressure ring 2 front ends make the front end of four clamps 12 simultaneously to cylinder 11 central axis displacements, four clamp 12 medial surfaces are just the outside surface clamping that inserts the main cylinder of camera lens 2a in cylinder 11 endoporus, the main cylinder of camera lens 2a is just fixed, and now rotates dead ring 4 locking pressure rings 2 again and prevents that pressure ring 2 is loosening.
Before the outside surface of the main cylinder of camera lens 2a is by four clamps, 12 medial surfaces clampings, rotating adjustment ring 3 can lens fine-tuning main cylinder 2a and the relative position of base 1.
Below be only preferred embodiment of the utility model, the change that those skilled in the art does to be equal to by claim all falls into the protection domain of this case.
Claims (9)
1. the stationary installation of a pick-up lens, comprise the base fixing with video camera, the front end of base is provided with cylinder, the endoporus of cylinder is communicated to the rear end face of base, the endoporus of cylinder is connected with the main cylinder of camera lens outer peripheral face, it is characterized in that: the middle part of described cylinder outer peripheral face is evenly equipped with at least three radial holes, the inwall of each radial hole rear side is axially extended with forward deformable clamp along cylinder, the outer peripheral face of the cylinder after a plurality of radial holes is provided with the first external thread, on described the first external thread, be rotary with pressure ring, rotation pressure ring can make the inside surface of pressure ring front end match with the lateral surface of a plurality of clamps simultaneously, the inside surface of pressure ring front end pushes a plurality of clamps the front end of a plurality of clamps is moved to cylinder central axis simultaneously, a plurality of clamp medial surfaces can clamp the outside surface that inserts the main cylinder of camera lens in cylinder endoporus.
2. the stationary installation of a kind of pick-up lens according to claim 1, is characterized in that: described base is made by plastic material.
3. the stationary installation of a kind of pick-up lens according to claim 1, is characterized in that: outside each clamp, front end is provided with chamfering, and the inside surface of pressure ring front end is also provided with chamfering and matches with the chamfering of front end outside each clamp.
4. the stationary installation of a kind of pick-up lens according to claim 1, is characterized in that: the outer peripheral face of the cylinder before a plurality of radial holes is provided with the second external thread, on the second external thread, is rotary with regulating ring.
5. the stationary installation of a kind of pick-up lens according to claim 1, is characterized in that: on described the first external thread, be also rotary with dead ring and match with pressure ring.
6. the stationary installation of a kind of pick-up lens according to claim 5, is characterized in that: described dead ring outside is provided with two lugs that facilitate hand to pull.
7. the stationary installation of a kind of pick-up lens according to claim 1, is characterized in that: the uniform radial hole in described cylinder outer peripheral face middle part is four or six.
8. the stationary installation of a kind of pick-up lens according to claim 1, is characterized in that: the outside of described pressure ring is provided with two lugs that facilitate hand to pull.
9. according to the stationary installation of a kind of pick-up lens described in claim 1 to 8 any one, it is characterized in that: the side at described base rear portion is provided with the shrinkage pool that is communicated with described cylinder endoporus.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320812679.5U CN203587940U (en) | 2013-12-12 | 2013-12-12 | Camera lens fixing device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320812679.5U CN203587940U (en) | 2013-12-12 | 2013-12-12 | Camera lens fixing device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203587940U true CN203587940U (en) | 2014-05-07 |
Family
ID=50585833
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320812679.5U Expired - Lifetime CN203587940U (en) | 2013-12-12 | 2013-12-12 | Camera lens fixing device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203587940U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104793311A (en) * | 2015-04-30 | 2015-07-22 | 浙江宇视科技有限公司 | Connecting mechanism of lens and lens mount |
-
2013
- 2013-12-12 CN CN201320812679.5U patent/CN203587940U/en not_active Expired - Lifetime
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104793311A (en) * | 2015-04-30 | 2015-07-22 | 浙江宇视科技有限公司 | Connecting mechanism of lens and lens mount |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| 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 LEADING OPTICS Co.,Ltd. Address before: 361000 26 Xinmei Road, Xinyang Industrial Zone, Haicang, Xiamen, Fujian Patentee before: XIAMEN LEADING OPTICS Co.,Ltd. |
|
| CP01 | Change in the name or title of a patent holder | ||
| CX01 | Expiry of patent term |
Granted publication date: 20140507 |
|
| CX01 | Expiry of patent term |