CN210626752U - Adjusting device for rear intercept of lens and camera - Google Patents
Adjusting device for rear intercept of lens and camera Download PDFInfo
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- CN210626752U CN210626752U CN201922049960.8U CN201922049960U CN210626752U CN 210626752 U CN210626752 U CN 210626752U CN 201922049960 U CN201922049960 U CN 201922049960U CN 210626752 U CN210626752 U CN 210626752U
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- 238000009434 installation Methods 0.000 description 1
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Abstract
The utility model discloses an adjusting device of camera lens and camera back intercept, including first part, second part and third part, first part includes the camera lens microscope base, the second part is coarse adjusting subassembly and third part for finely tuning the subassembly. The utility model can rotate 360 degrees around the lens base along the axial direction and rotate at small angle around other directions by connecting the second part with the third part, and the inclination is roughly adjusted; third part subassembly base bottom ring portion outer loop region is along 6 slope holding screws of axial direction evenly distributed, can the not image plane slope of equidirectional of accurate regulation, and the regional side of base bottom ring portion outer loop is along six fixed holding screws of radial direction evenly distributed, when locking the third part, only needs three evenly distributed's fixed holding screw, the utility model discloses characteristics can adjust back intercept and image plane slope, make at full field range image definition unanimity, adjust the precision height simultaneously, convenient operation, save time.
Description
Technical Field
The utility model relates to a technical field is adjusted to the camera, specifically is an adjusting device of camera lens and camera back intercept.
Background
The distance between the installation reference plane of the C-type interface and the image plane of the lens is strictly regulated to be 17.526mm, namely the distance between the flange plane of the industrial camera and the image sensor plane of the camera is regulated to be 17.526mm, but because the processing of the C-type interfaces of different camera manufacturers has difference, the distance between the flange plane of the industrial camera and the image sensor plane of the camera is not strictly 17.526mm, so that the aim of clear imaging cannot be achieved by improving the accuracy of the rear intercept (or the flange distance) of the lens, the rear intercept of the lens needs to be adjusted to a matched position to enable the image to be clear, and the flange plane of the industrial camera and the image sensor plane of the industrial camera cannot be perfectly parallel to each other, a certain inclination occurs, so that the presented image definition is inconsistent in different positions in the whole view field range, as disclosed in Chinese patent, "a fine adjustment device for lens position of multi-lens panoramic camera" (patent No. 201620487674.3), the fine adjustment operation for the front and back positions of multiple lenses can be realized by rotating a micro-gear to drive a micro-rack to do front and back linear motion, the fine adjustment operation is convenient and flexible, the adjustment precision is high, and the fine adjustment for the positions of multiple lenses can effectively reduce the distance error between each lens and a sensor in the imaging system of the panoramic camera and improve the calibration precision of the panoramic camera Time consuming and inaccurate.
Accordingly, there is a need for an adjusting device for adjusting the back focal length of a camera lens and a camera, so that the adjusting device can conveniently and accurately adjust the back focal length and the plane tilt of a camera image sensor.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide an adjusting device of camera lens and camera back intercept to solve the problem that proposes among the above-mentioned background art.
In order to achieve the above object, the utility model provides a following technical scheme: an adjusting device for the rear intercept of a lens and a camera comprises a first part, a second part and a third part, wherein the first part comprises a lens base, the second part is a coarse adjusting component and the third part is a fine adjusting component, a convex smooth sphere is arranged outside the position, close to the edge, of the lens base of the first part, the coarse adjusting component of the second part comprises a lower hemispherical ring, an upper hemispherical ring base and coarse adjusting set screws, the upper hemispherical ring base and the lower hemispherical ring are fixed through screws, eight set screw holes are uniformly distributed on the outer spherical surfaces of the lower hemispherical ring and the upper hemispherical ring base, the second part is fixed on the lens base through the coarse adjusting set screws, the fine adjusting component of the third part comprises a base, a camera positioning ring, a camera locking ring, inclined set screws and fixed set screws, six inclined set screws are uniformly distributed on the outer ring area of the ring part at the bottom of the base along the optical axis direction, six fixed holding screws of side along radial direction evenly distributed, the base is fixed on the outstanding bevel edge in last semicircle base edge through wherein evenly distributed's three fixed holding screw, ring portion all is equipped with the screw thread on ring portion outer wall with outermost edge in the middle of the base, all be provided with the screw thread on the inner wall of ring portion and camera locking ring under the camera holding ring, camera holding ring and camera locking ring pass through threaded connection on the base, camera locking ring is more close to base bottom ring portion than the camera holding ring.
Preferably, the inner radii of the lower hemispherical ring and the upper hemispherical ring base are consistent and slightly larger than the radius of the convex sphere of the lens base.
Preferably, the lower hemispherical ring is far away from one end of the upper hemispherical ring base and is provided with a cylindrical hole, the cylindrical hole is provided with two inner ring parts, the radius of the part close to the lens base ring is the same as the diameter of the cylindrical hole at one end of the lower hemispherical ring, the radius of the part close to the lens base ring is larger than the radius of the part far from the lens base ring, and the diameters of the cylindrical holes are larger than the diameter of the straight rod part of the lens base.
Preferably, the outside of base is provided with three ring portion, and middle ring portion outer radius is less than bottom ring portion outer radius and is greater than outermost edge ring portion outer radius, and middle ring portion and outermost edge ring portion inner radius are unanimous and are less than bottom ring portion inner radius.
Preferably, the camera holding ring is provided with two ring parts, the inner diameter of the lower ring part is larger than that of the upper ring part, and the inner diameter of the lower ring part is consistent with that of the camera holding ring.
Preferably, the number of the fixing set screws uniformly distributed on the side surface of the outer ring area of the bottom ring part of the base along the radial direction is more than 3, and is not limited to 6.
Compared with the prior art, the beneficial effects of the utility model are as follows:
1. the utility model can rotate 360 degrees around the lens base along the axial direction and rotate at small angle around other directions by connecting the second part with the third part, and the inclination is roughly adjusted; six fixing set screws are uniformly distributed on the side surface of the outer ring area of the ring part at the bottom of the base along the radial direction, when a third component is locked, only three fixing set screws which are uniformly distributed are needed, after repeated locking and adjustment, the contact surface of the screws is possibly damaged, so that the adjustment is difficult to carry out again, and at the moment, the three fixing set screws which are uniformly distributed can be used for carrying out adjustment; six slope holding screws of ring region edge axial direction evenly distributed in base bottom ring portion, the image plane slope that can the not equidirectional of accurate adjustment, the utility model discloses characteristics can adjust back intercept and image plane slope, make at full field of view within range image definition unanimous, adjust the precision height simultaneously, convenient operation, save time.
Drawings
FIG. 1 is a schematic view of the overall structure of the present invention;
FIG. 2 is a sectional view of the overall structure of the present invention;
fig. 3 is a front view of the third component structure of the present invention.
In the figure: 1. a first member; 2. a second component; 21. a lower hemispherical ring; 22. an upper hemispherical ring base; 23. roughly adjusting and tightening the set screw; 3. a third component; 31. a base; 32. a camera positioning ring; 33. a camera locking ring; 34. a tilt set screw; 35. and fixing the set screw.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
In the description herein, it is to be understood that the terms "center," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like are used in the orientations and positional relationships indicated in the drawings to facilitate the description of the patent and to simplify the description, but do not indicate or imply that the referenced device or element must have a particular orientation, be constructed and operated in a particular orientation, and thus are not to be considered limiting of the patent. In the description of the present application, it should be noted that unless otherwise explicitly stated or limited, the terms "mounted," "connected," and "disposed" are to be construed broadly and can, for example, be fixedly connected, disposed, detachably connected, disposed, or integrally connected and disposed. The specific meaning of the above terms in this patent may be understood by those of ordinary skill in the art as appropriate.
Referring to fig. 1-3, a device for adjusting the rear focal length of a lens and a camera comprises a first component 1, a second component 2 and a third component 3, wherein the first component 1 comprises a lens base, the second component 2 comprises a coarse adjustment assembly and the third component 3 comprises a fine adjustment assembly, the first component 1 comprises a convex smooth sphere outside the lens base near the edge, the coarse adjustment assembly comprises a lower hemispherical ring 21, an upper hemispherical ring base 22 and a coarse adjustment set screw 23, the upper hemispherical ring base 22 and the lower hemispherical ring 21 are fixed by screws, eight set screw holes are uniformly distributed on the outer spherical surfaces of the lower hemispherical ring 21 and the upper hemispherical ring base 22, the second component 2 is fixed on the lens base by the coarse adjustment set screw 23, the inner radii of the lower hemispherical ring 21 and the upper hemispherical ring base 22 are consistent and slightly larger than the convex sphere radius of the lens base, one end of the lower hemispherical ring 21 far from the upper hemispherical ring base 22 is provided with a cylindrical hole, the diameter of the cylindrical hole close to the ring part of the lens holder is the same as that of the cylindrical hole at one end of the lower hemisphere, the diameter of the cylindrical hole close to the ring part of the lens holder is larger than that of the cylindrical hole far away from the ring part of the lens holder, the diameter of the cylindrical hole is larger than that of the straight rod part of the lens holder, the third part 3 comprises a base 31, a camera positioning ring 32, a camera locking ring 33, inclined set screws 34 and fixed set screws 35, six inclined set screws 34 are uniformly distributed in the outer ring area of the bottom ring part of the base 31 along the optical axis direction, six fixed set screws 35 are uniformly distributed in the radial direction on the side surface, the number of the fixed set screws 35 uniformly distributed in the radial direction on the side surface of the outer ring area of the bottom ring part of the base 31 is more than 3, but not limited to 6, three ring parts are arranged on the outer side of, the inner radiuses of the middle ring part and the outermost ring part are the same and smaller than the inner radius of the bottom ring part, the base 31 is fixed on the inclined edge protruding from the edge of the upper semicircular base through three fixing and tightening screws 35 which are uniformly distributed in the base 31, the outer walls of the middle ring part and the outermost ring part of the base 31 are provided with threads, the inner walls of the lower ring part of the camera positioning ring 32 and the camera locking ring 33 are provided with threads, the camera positioning ring 32 is provided with two ring parts, the inner diameter of the lower ring part is larger than that of the upper ring part, the inner diameter of the lower ring part is the same as that of the camera fixing ring, the camera positioning ring 32 and the camera locking ring 33 are connected on the base 31 through, the second component 2 is connected with the third component 3, can rotate around the lens base in the axial direction by 360 degrees, can rotate around the other directions by small angles, and can roughly adjust the inclination; six fixing and fastening screws 35 are uniformly distributed on the side surface of the outer ring area of the bottom ring part of the base 31 along the radial direction, only three fixing and fastening screws 35 which are uniformly distributed are needed when the third component 3 is locked, the contact surface of the screws is damaged after repeated locking and adjustment, so that the adjustment is difficult to carry out again, and at the moment, the three fixing and fastening screws 35 which are uniformly distributed can be used for carrying out adjustment; six slope holding screws 34 of ring region edge axial direction evenly distributed in base 31 bottom ring portion, the image plane slope that can the not equidirectional of accurate adjustment, the utility model discloses characteristics can adjust back intercept and image plane slope, make at full field of view within range image definition unanimous, adjust the precision height simultaneously, convenient operation, save time.
The specific implementation steps are as follows:
1. fixing: the second part 2 is sleeved on the lens base in the middle basically, even if one end of the lower hemispherical edge provided with a cylindrical hole is basically vertical to the optical axis direction, the second part 2 is fixed on the lens base by using coarse adjusting set screws 23, the base 31 is fixed on the inclined edge protruding from the edge of the upper semicircular base through three fixing set screws 35 which are uniformly distributed, the camera is connected on the base 31 through threads on the outer wall of the outermost edge ring part of the base 31, the camera positioning ring 32 supports the camera to position the camera, and one end of the camera locking ring 33 supports the camera positioning ring 32 to perform double-thread locking on the positions of the camera and the camera positioning ring 32;
2. adjusting the rear intercept: when the rear intercept of the lens and the camera is adjusted, the camera positioning ring 32 and the camera locking ring 33 are loosened, the camera is rotated to move back and forth, the distance between the lens and the camera (namely the rear intercept) can be adjusted, so that the central view field point of an image plane is clear, after the rear intercept is adjusted, the camera positioning ring 32 abuts against the camera, one end of the camera locking ring 33 abuts against the camera positioning ring 32 to perform double-thread locking, the camera is prevented from moving in the working process, a fixing set screw 35 is loosened, so that the third component 3 can rotate relative to the second component 2, and after the view field direction is adjusted, the fixing set screw 35 is tightened to fix the third component 3 relative to the second component 2;
3. initial inclination adjustment: when the mutual inclination of the lens and the camera is adjusted, the coarse adjustment set screws 23 are loosened, so that the second component 2 is connected with the third component 3 and can rotate 360 degrees around the lens base along the optical axis direction, and can rotate around the rest direction at a small angle because the diameter of the cylindrical hole at one end of the lower hemisphere and the cylindrical hole at one end of the upper hemispherical ring base 22 is larger than that of the straight rod of the lens base, and the angle depends on the difference value of the diameter of the cylindrical hole at one end of the lower hemisphere and the diameter of the cylindrical hole at one end of the upper hemispherical ring base 22, which is close to the ring part of the lens base, and the coarse adjustment set screws 23 are tightened after the coarse adjustment is completed, so that the second component 2 is fixed;
4. fine adjustment of inclination: after coarse adjustment is completed, fine adjustment is performed, one fixing set screw 35 is slightly loosened, the inclined set screws 34 in different directions are adjusted to enable the definition of different field points of the image plane to be consistent, and after fine adjustment is completed, the fixing set screw 35 is tightly fixed to enable the third component 3 to be fixed relative to the second component 2.
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 (6)
1. A lens and camera back intercept adjustment device comprising a first part (1), a second part (2) and a third part (3), characterized in that: the first part (1) comprises a lens base, the second part (2) is a rough adjusting component and the third part (3) is a fine adjusting component, a convex smooth sphere is arranged outside the position, close to the edge, of the lens base of the first part (1), the rough adjusting component of the second part (2) comprises a lower hemispherical ring (21), an upper hemispherical ring base (22) and a rough adjusting set screw (23), the upper hemispherical ring base (22) and the lower hemispherical ring (21) are fixed through screws, eight set screw holes are uniformly distributed in the outer spherical surfaces of the lower hemispherical ring (21) and the upper hemispherical ring base (22), the second part (2) is fixed on the lens base through the rough adjusting set screw (23), the fine adjusting component of the third part (3) comprises a base (31), a camera positioning ring (32), a camera locking ring (33), an inclined set screw (34) and a fixed set screw (35), base (31) bottom ring portion outer ring region is along six slope holding screw (34) of optical axis direction evenly distributed, and six fixed holding screw (35) of side along radial direction evenly distributed, base (31) are fixed on the outstanding slant in last semicircle base edge through wherein evenly distributed's three fixed holding screw (35), ring portion and outermost edge all are equipped with the screw thread on the ring portion outer wall in the middle of base (31), all be provided with the screw thread on the inner wall of ring portion and camera locking ring (33) under camera holding ring (32), camera holding ring (32) and camera locking ring (33) pass through threaded connection on base (31), camera locking ring (33) are closer to base (31) bottom ring portion than camera holding ring (32).
2. The device for adjusting the rear intercept of a lens and a camera according to claim 1, wherein: the inner radiuses of the lower hemispherical ring (21) and the upper hemispherical ring base (22) are consistent and slightly larger than the radius of the convex sphere of the lens base.
3. The device for adjusting the rear intercept of a lens and a camera according to claim 1, wherein: the lower hemispherical ring (21) is far away from one end of the upper hemispherical ring base (22) and is provided with a cylindrical hole, the cylindrical hole is provided with two inner ring parts, the radius of the part close to the lens base ring is the same as the diameter of the cylindrical hole at one end of the lower hemispherical ring, the radius of the part close to the lens base ring is larger than the radius of the part far away from the lens base ring, and the diameters of the cylindrical holes are larger than the diameter of the straight rod part of the lens base.
4. The device for adjusting the rear intercept of a lens and a camera according to claim 1, wherein: the outside of base (31) is provided with three ring portion, and middle ring portion outer radius is less than bottom ring portion outer radius and is greater than outermost edge ring portion outer radius, and middle ring portion and outermost edge ring portion inner radius are unanimous and are less than bottom ring portion inner radius.
5. The device for adjusting the rear intercept of a lens and a camera according to claim 1, wherein: the camera positioning ring (32) is provided with two ring parts, the inner diameter of the lower ring part is larger than that of the upper ring part, and the inner diameter of the lower ring part is consistent with that of the camera positioning ring.
6. The device for adjusting the rear intercept of a lens and a camera according to claim 1, wherein: the number of the fixing and fastening screws (35) uniformly distributed on the side surface of the outer ring area of the bottom ring part of the base (31) along the radial direction is more than 3, and is not limited to 6.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922049960.8U CN210626752U (en) | 2019-11-25 | 2019-11-25 | Adjusting device for rear intercept of lens and camera |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922049960.8U CN210626752U (en) | 2019-11-25 | 2019-11-25 | Adjusting device for rear intercept of lens and camera |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210626752U true CN210626752U (en) | 2020-05-26 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201922049960.8U Withdrawn - After Issue CN210626752U (en) | 2019-11-25 | 2019-11-25 | Adjusting device for rear intercept of lens and camera |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210626752U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110927916A (en) * | 2019-11-25 | 2020-03-27 | 珠海博明视觉科技有限公司 | Adjusting device for rear intercept of lens and camera |
| CN110927916B (en) * | 2019-11-25 | 2024-07-26 | 珠海博明视觉科技有限公司 | Adjusting device for rear intercept of lens and camera |
-
2019
- 2019-11-25 CN CN201922049960.8U patent/CN210626752U/en not_active Withdrawn - After Issue
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110927916A (en) * | 2019-11-25 | 2020-03-27 | 珠海博明视觉科技有限公司 | Adjusting device for rear intercept of lens and camera |
| CN110927916B (en) * | 2019-11-25 | 2024-07-26 | 珠海博明视觉科技有限公司 | Adjusting device for rear intercept of lens and camera |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20200526 Effective date of abandoning: 20240726 |
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| AV01 | Patent right actively abandoned |
Granted publication date: 20200526 Effective date of abandoning: 20240726 |