CN113296215A - High-definition lens - Google Patents
High-definition lens Download PDFInfo
- Publication number
- CN113296215A CN113296215A CN202110568470.8A CN202110568470A CN113296215A CN 113296215 A CN113296215 A CN 113296215A CN 202110568470 A CN202110568470 A CN 202110568470A CN 113296215 A CN113296215 A CN 113296215A
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- Prior art keywords
- lens
- lens group
- elastic
- high definition
- groove
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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
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B7/00—Mountings, adjusting means, or light-tight connections, for optical elements
- G02B7/003—Alignment of optical elements
- G02B7/004—Manual alignment, e.g. micromanipulators
-
- 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
- G02B7/021—Mountings, adjusting means, or light-tight connections, for optical elements for lenses for more than one lens
-
- 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
- G02B7/023—Mountings, adjusting means, or light-tight connections, for optical elements for lenses permitting adjustment
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- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Lens Barrels (AREA)
Abstract
The invention discloses a high-definition lens, and relates to the technical field of optical equipment. The lens comprises a lens barrel and at least one lens group, wherein a placing groove for placing the lens group is formed in the lens barrel, the radius of the placing groove is larger than that of the lens group, and a space is formed between the outer wall of the lens group and the inner wall of the placing groove; an elastic component is further arranged in the lens cone, and one end of the elastic component is abutted against the lens group; the lens cone is provided with an adjusting hole, and the adjusting hole is formed in the lens cone along the radial direction of the placing groove; the elastic component is at least abutted with the lens group twice, or the lens group is at least abutted with the two elastic components. The rod-shaped object is combined with the elastic component to realize unidirectional movement, the position of the lens group in the high-definition lens is adjusted conveniently, and meanwhile, the original adjusting mode of the lens group is optimized.
Description
Technical Field
The invention relates to the technical field of optical equipment, in particular to a high-definition lens.
Background
The optical lens is an essential component in a machine vision system, directly influences the quality of imaging quality and influences the realization and effect of an algorithm; the coaxiality between lens groups in the optical lens has a great influence on the final imaging of the lens.
The general internal sensitive group of camera lens can design into adjustable structure, but mostly through directly letting the inside group of regulation tool contact, the realization is moved to one direction, realizes the regulation of sensitive group axiality, increases the imaging quality of lens cone then.
At present, most sensitive groups are of triangular symmetrical structures, but the more the lens volume is, the smaller the lens volume is, the triangular symmetry cannot be made, and the lens barrel is usually only allowed to extend into and be adjusted in two directions, so that the original adjusting mode is difficult to continue to use.
Disclosure of Invention
The invention solves the technical problems in the prior art and provides the high-definition lens, the rod-shaped object can move in a single direction by combining the elastic component, the position of the lens group in the high-definition lens is convenient to adjust, and the original adjusting mode of the lens group is optimized.
The technical scheme provided by the invention is as follows:
a high-definition lens comprises a lens barrel and at least one lens group, wherein a placing groove for placing the lens group is formed in the lens barrel, the radius of the placing groove is larger than that of the lens group, and a space is formed between the outer wall of the lens group and the inner wall of the placing groove; an elastic component is further arranged in the lens cone, and one end of the elastic component is abutted against the lens group; the lens cone is provided with an adjusting hole, and the adjusting hole is used for communicating the outside with the placing groove; the elastic component is at least abutted with the lens group twice, or the lens group is at least abutted with the two elastic components.
Preferably, the angle between the abutment position of the lens group with the elastic element and the position facing the adjustment aperture is greater than 90 °.
Preferably, the axis of the adjusting hole, the axis of the lens group and the abutting position of the lens group and the elastic component are in the same plane.
Preferably, the elastic component comprises an elastic sheet, the elastic sheet comprises a supporting portion and a bending portion, and the bending portion is used for abutting against the lens group; and a supporting groove for placing the supporting part is formed in the lens barrel.
Preferably, the bending part comprises an abutting part and two bending parts, the bending parts are connected with the supporting part, and the abutting part abuts against the lens group; when the lens group moves, the abutting part is always abutted against the lens group.
Preferably, the support groove is circumferentially opened at the outer side of the lens group, and the axis of the support groove is collinear with the axis of the lens group.
Preferably, the number of the bending portions is two, and an included angle between the two bending portions is greater than 30 degrees and less than 120 degrees by taking the axis of the lens group as a circle center.
Preferably, the lens barrel is further provided with a fixing hole, the fixing hole is formed in the lens barrel along the radial direction of the placing groove, and the elastic component is arranged in the fixing hole.
Preferably, at least one of the bending parts is arranged in the fixing hole.
Preferably, the lens barrel is further provided with a plurality of connecting assemblies, and the lens group is connected to the lens barrel through the connecting assemblies; the connecting assembly comprises a connecting rod, one end of the connecting rod is connected to the lens cone, and the other end of the connecting rod is connected to the lens group; the lens group is provided with a connecting groove for the connecting rod to pass through, the radius of the connecting rod is smaller than that of the connecting groove, and a space is arranged between the outer wall of the connecting rod and the inner wall of the connecting groove.
Compared with the prior art, the high-definition lens provided by the invention has the following beneficial effects:
1. through the setting of elastic component and regulation hole, the user only need stretch into two shaft-like objects and transfer, and one-way removal can be realized to shaft-like object combination elastic component, and the lens group position control in the high definition camera lens is comparatively convenient, has optimized the regulative mode of original lens group simultaneously.
2. After the rod-shaped object extends into the adjusting hole and abuts against the lens group, when the rod-shaped object is continuously pressed towards the axis direction of the adjusting hole, the component force along the axis direction of the adjusting hole can drive the lens group to be far away from the adjusting hole along the axis direction of the adjusting hole, and the moving reliability of the lens group is improved.
3. After a user stretches the rod-shaped object into the adjusting hole and abuts against the lens group, the rod-shaped object can face the axis of the lens group and simultaneously face the elastic component, and when the user presses the rod-shaped object, the lens group can move along the axis direction of the elastic component, so that the moving efficiency of the lens group is improved; the elastic assembly is also capable of contracting in the direction of its axis, reducing the likelihood of damage to the elastic assembly.
Drawings
The foregoing features, technical features, advantages and implementations of a high definition lens will be further described in the following detailed description of preferred embodiments in a clearly understandable manner with reference to the accompanying drawings.
FIG. 1 is a schematic diagram of an overall structure of a high-definition lens according to the present invention;
FIG. 2 is a schematic side view of a high definition lens according to the present invention;
FIG. 3 is a cross-sectional view taken at A-A of FIG. 2;
FIG. 4 is a cross-sectional view taken at B-B of FIG. 2;
FIG. 5 is a schematic structural diagram of an elastic sheet in a high definition lens according to the present invention;
FIG. 6 is a schematic structural diagram of a connecting assembly in a high definition lens according to the present invention;
the reference numbers illustrate: 10. a lens barrel; 11. a placement groove; 12. an adjustment hole; 13. a support groove; 14. a fixing hole; 20. a lens group; 21. an embedding part; 22. an abutting portion; 23. connecting grooves; 30. an elastic sheet; 31. a support portion; 32. a bending part; 321. an abutment; 322. a bend; 40. a connecting assembly; 41. a connecting rod.
Detailed Description
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the following description will be made with reference to the accompanying drawings. It is obvious that the drawings in the following description are only some examples of the invention, and that for a person skilled in the art, other drawings and embodiments can be derived from them without inventive effort.
For the sake of simplicity, only the parts relevant to the invention are schematically shown in the drawings, and they do not represent the actual structure as a product. In addition, in order to make the drawings concise and understandable, components having the same structure or function in some of the drawings are only schematically illustrated or only labeled. In this document, "one" means not only "only one" but also a case of "more than one".
In a first embodiment, as shown in fig. 1 to 4 and fig. 6, a high definition lens includes a lens barrel 10 and at least one lens group 20, a placing groove 11 for placing the lens group 20 is formed in the lens barrel 10, the placing groove 11 is located at the center of the lens barrel 10, the radius of the placing groove 11 is greater than the radius of the lens group 20, and a gap is formed between an outer wall of the lens group 20 and an inner wall of the placing groove 11, so that after the lens group 20 is placed in the placing groove 11, the lens group 20 can move to a certain extent in the placing groove 11, and then the lens group 20 is used for adjusting the imaging quality in a later stage.
The lens barrel 10 is further provided with an elastic element, one end of the elastic element abuts against the lens group 20, in this embodiment, the elastic element mainly refers to a component having an elastic function, such as a spring plate, a spring, a magnetic block, and the like, and the elastic element can provide a unidirectional driving force to the lens group 20.
The lens barrel 10 is provided with an adjusting hole 12, and the adjusting hole 12 is used for communicating the outside with the placing groove 11.
The elastic elements are abutted at least twice against the lens group 20, or the lens group 20 is abutted at least against two elastic elements.
After the adjusting hole 12 is formed in the high definition lens, a user can stretch into the adjusting hole 12 through a rod-shaped object and abut against the lens group 20, and after the user presses the lens group 20 and overcomes the pressure of the elastic component, the lens group 20 can be driven to move in the placing groove 11.
In this embodiment, through the setting of elastic component and regulation hole 12, the user only need stretch into two shaft-like objects and adjust, and the removal of lens group can be realized to shaft-like object combination elastic component, and lens group 20 position control in the high definition camera lens is comparatively convenient, has optimized original lens group 20's regulation mode simultaneously.
By abutting the lens group 20 and the elastic member twice, the lens group 20 can move freely in a plane, and the reliability of movement of the lens group 20 is increased.
The angle between the abutment position of the lens group 20 with the elastic element and the position facing the adjustment hole 12 is greater than 90 °.
In this embodiment, when the included angle between the abutting position of the lens group 20 and the elastic element and the position facing the adjusting hole 12 is larger than 90 °, and the rod-shaped object extends into the adjusting hole 12 and abuts against the lens group 20, and then the rod-shaped object is continuously pressed toward the axial direction of the adjusting hole 12, the component force along the axial direction of the adjusting hole 12 can drive the lens group 20 to move away from the adjusting hole 12 along the axial direction of the adjusting hole 12, thereby increasing the reliability of the movement of the lens group 20.
The axis of the adjusting hole 12, the axis of the lens group 20 and the abutting position of the lens group 20 and the elastic component are in the same plane.
In the embodiment, when the above structure is adopted, after the user extends the rod-shaped object into the adjusting hole 12 and abuts against the lens group 20, the rod-shaped object can face the axis of the lens group 20 and also face the elastic component, and when the user presses the rod-shaped object, the lens group 20 can move along the axis direction of the elastic component, so that the moving efficiency of the lens group 20 is increased; the elastic assembly is also capable of contracting in the direction of its axis, reducing the likelihood of damage to the elastic assembly.
Preferably, the lens barrel 10 is further provided with a plurality of connecting assemblies 40, and the lens group 20 is connected to the lens barrel 10 through the connecting assemblies 40; the connecting assembly 40 includes a connecting rod 41, one end of the connecting rod 41 is connected to the lens barrel 10, and the other end of the connecting rod 41 is connected to the lens group 20, in this embodiment, the upper end of the connecting rod 41 can be connected to the lens barrel 10, and the lower end of the connecting rod 41 is disposed on the lens group 20.
The lens group 20 is provided with a connecting groove 23 for the connecting rod 41 to pass through, the radius of the connecting rod 41 is smaller than that of the connecting groove 23, and a space is arranged between the outer wall of the connecting rod 41 and the inner wall of the connecting groove 23.
Through the arrangement of the connecting assembly 40, the connecting assembly 40 can connect the lens barrel 10 and the lens group 20, so that the possibility of separation of the connecting assembly 40 and the lens group 20 is reduced, meanwhile, the connecting groove 23 in the lens group 20 is formed, the connecting rod 41 still has a certain degree of freedom of movement in the lens group 20, and then the movement of the lens group 20 on the lens barrel 10 is realized.
In the second embodiment, as shown in fig. 2, 3 and 5, a high definition lens is disclosed, which is different from the first embodiment in the specific structure of the elastic element.
On the basis of the first embodiment, in the present embodiment, the elastic component includes an elastic sheet 30, the elastic sheet 30 includes a supporting portion 31 and a bending portion 32, and the bending portion 32 is used for abutting against the lens group 20.
The lens barrel 10 has a support groove 13 for placing the support portion 31 therein.
Specifically, the elastic piece 30 is integrally formed, the supporting portion 31 is disposed at the outer end and embedded in the supporting groove 13, and the bending portion 32 is disposed at the middle portion of the elastic piece 30, is formed by bending the middle portion of the elastic piece 30 to one side, and is used for abutting against the lens group 20.
In the present embodiment, the supporting portion 31 is disposed in the lens barrel 10 and the bent portion 32 is abutted to the lens group 20 by disposing the elastic piece 30, and the elastic piece 30 has a larger elastic coefficient and a smaller volume than a general spring, so that the possibility of the lens group 20 shaking is reduced and the high definition lens is also miniaturized.
The bending portion 32 includes an abutting portion 321 and two bending portions 322, the bending portions 322 are connected to the supporting portion 31, and the abutting portion 321 abuts against the lens group 20.
When the lens group 20 moves, the abutting portion 321 always abuts against the lens group 20.
In this embodiment, by the arrangement of the abutting portion 321, the abutting portion 321 can always abut on the lens group 20 in the moving process of the lens group 20, and provides a supporting force for the lens group 20, so that the possibility of separating the elastic sheet 30 from the lens group 20 is reduced, and the abutting reliability of the lens group 20 and the elastic sheet 30 is increased.
The supporting groove 13 is circumferentially opened on the outer side of the lens group 20, and the axis of the supporting groove 13 is collinear with the axis of the lens group 20.
In this embodiment, the supporting groove 13 is coaxially formed in the lens barrel 10, so that the supporting portion 31 can abut against the inner wall of the supporting groove 13 on the side away from the axis, and the bending portion 32 can move toward the axis close to or away from the placing groove 11 during the extension and retraction of the supporting portion 31, so that the supporting portion 31 can assist the bending portion 32 to support the lens group 20 due to the limitation of the current structure, the supporting force of the bending portion 32 is further increased, and the possibility of the lens group 20 shaking is reduced.
Specifically, by increasing the length of the abutting portion 321 so that the length of the abutting portion 321 is greater than the maximum distance between the outer wall of the lens group 20 and the inner wall of the placing groove 11, the abutting portion 321 can always abut on the lens group 20 in the current state.
The number of the bending portions 32 is two, and an included angle between the two bending portions 32 is greater than 30 ° and less than 120 ° with the axis of the lens group 20 as a center, and preferably, the included angle between the two bending portions 32 is 60 °.
In this embodiment, when the included angle between the two bending portions 32 is too small, and the position of the lens group 20 is adjusted by the rod-shaped object, the included angle between the two rod-shaped objects is also small, so that the position adjustment in the vertical direction is difficult to be achieved, and the position adjustment of the lens group 20 is inconvenient; when the contained angle between two portions 32 of bending is too big, wasted unnecessary material, the interval increase between two portions 32 of bending simultaneously, receive the same effect force effect after, the deformation volume of flexure strip 30 reduces, has increased the deformation volume of flexure strip 30 then, has increased the possibility that flexure strip 30 and lens group 20 separated, and the reliability of lens group 20 and flexure strip 30 butt is lower.
The lens barrel 10 is further provided with a fixing hole 14, the fixing hole 14 is formed in the lens barrel 10 along the radial direction of the placing groove 11, and the elastic component is arranged in the fixing hole 14.
Through the opening of the fixing hole 14, after the position of the lens group 20 is determined, a user can enter the lens barrel 10 for dispensing, the elastic component is fixed on the lens barrel 10 and the lens group 20, and then the lens group 20 is fixed, so that the lens group 20 in the high-definition lens can be fixed.
Specifically, at least one bent portion 32 is disposed in the fixing hole 14; when the elastic component is the elastic piece 30, the supporting portion 31 is embedded in the supporting groove 13, and the moving amount of the supporting portion 31 in the supporting groove 13 is small, so that dispensing of the supporting portion 31 is not needed, the size of the fixing hole 14 is reduced, and the fixing process of the elastic component is optimized.
It should be noted that the above embodiments can be freely combined as necessary. The foregoing is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, various modifications and decorations can be made without departing from the principle of the present invention, and these modifications and decorations should also be regarded as the protection scope of the present invention.
Claims (10)
1. A high definition camera lens which characterized in that:
the lens comprises a lens barrel and at least one lens group, wherein a placing groove for placing the lens group is formed in the lens barrel, the radius of the placing groove is larger than that of the lens group, and a space is formed between the outer wall of the lens group and the inner wall of the placing groove;
an elastic component is further arranged in the lens cone, and one end of the elastic component is abutted against the lens group;
the lens cone is provided with an adjusting hole, and the adjusting hole is used for communicating the outside with the placing groove;
the elastic component is at least abutted with the lens group twice, or the lens group is at least abutted with the two elastic components.
2. The high definition lens as claimed in claim 1, wherein:
the included angle between the abutting positions of the lens group and the elastic assembly and the position facing the adjusting hole is larger than 90 degrees.
3. The high definition lens as claimed in claim 1, wherein:
the axis of the adjusting hole, the axis of the lens group and the abutting position of the lens group and the elastic component are in the same plane.
4. The high definition lens as claimed in claim 1, wherein:
the elastic assembly comprises an elastic sheet, the elastic sheet comprises a supporting part and a bending part, and the bending part is used for abutting against the lens group;
and a supporting groove for placing the supporting part is formed in the lens barrel.
5. The high definition lens as claimed in claim 4, wherein:
the bending part comprises a butt joint and two bending parts, the bending parts are connected with the supporting part, and the butt joint is butted against the lens group;
when the lens group moves, the abutting part is always abutted against the lens group.
6. The high definition lens as claimed in claim 4, wherein:
the supporting groove is arranged on the outer side of the lens group in a surrounding mode, and the axis of the supporting groove is collinear with the axis of the lens group.
7. A HD lens according to claim 4 or 6, characterized in that:
the number of the bending parts is two, the axis of the lens group is used as the circle center, and the included angle between the two bending parts is larger than 30 degrees and smaller than 120 degrees.
8. The high definition lens as claimed in claim 4, wherein:
the lens cone is further provided with a fixing hole, the fixing hole is formed in the lens cone along the radial direction of the placing groove, and the elastic assembly is arranged in the fixing hole.
9. The high definition lens as claimed in claim 6, wherein:
at least one bending part is arranged in the fixing hole.
10. The high definition lens as claimed in claim 1, wherein:
the lens cone is also provided with a plurality of connecting components, and the lens group is connected to the lens cone through the connecting components;
the connecting assembly comprises a connecting rod, one end of the connecting rod is connected to the lens cone, and the other end of the connecting rod is connected to the lens group;
the lens group is provided with a connecting groove for the connecting rod to pass through, the radius of the connecting rod is smaller than that of the connecting groove, and a space is arranged between the outer wall of the connecting rod and the inner wall of the connecting groove.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110568470.8A CN113296215B (en) | 2021-05-25 | 2021-05-25 | High-definition lens |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110568470.8A CN113296215B (en) | 2021-05-25 | 2021-05-25 | High-definition lens |
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| Publication Number | Publication Date |
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| CN113296215A true CN113296215A (en) | 2021-08-24 |
| CN113296215B CN113296215B (en) | 2022-12-20 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202110568470.8A Active CN113296215B (en) | 2021-05-25 | 2021-05-25 | High-definition lens |
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| CN109239881A (en) * | 2018-09-28 | 2019-01-18 | 中国科学院长春光学精密机械与物理研究所 | It is used to support the flexible supporting device and Large Aperture Lenses component of Large Aperture Lenses |
| CN111077623A (en) * | 2019-12-30 | 2020-04-28 | 中山联合光电科技股份有限公司 | Structure for quickly adjusting coaxiality of group frames |
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2021
- 2021-05-25 CN CN202110568470.8A patent/CN113296215B/en active Active
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2007025624A (en) * | 2005-07-13 | 2007-02-01 | Ind Technol Res Inst | Lens-centering device |
| US20080080072A1 (en) * | 2006-09-29 | 2008-04-03 | Hon Hai Precision Industry Co., Ltd. | Lens module and image capture apparatus |
| US20080158697A1 (en) * | 2006-12-29 | 2008-07-03 | Hon Hai Precision Industry Co., Ltd. | Barrel for promoting alignment of optical axes of lenses |
| JP2011154201A (en) * | 2010-01-27 | 2011-08-11 | Nikon Corp | Photographing device |
| CN103309003A (en) * | 2012-03-09 | 2013-09-18 | 上海微电子装备有限公司 | Lens and lens coaxiality adjusting method |
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| CN113296215B (en) | 2022-12-20 |
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