CN107357022A - It is a kind of to expand lens barrel for the adjustable of laser beam expanding - Google Patents
It is a kind of to expand lens barrel for the adjustable of laser beam expanding Download PDFInfo
- Publication number
- CN107357022A CN107357022A CN201710822347.8A CN201710822347A CN107357022A CN 107357022 A CN107357022 A CN 107357022A CN 201710822347 A CN201710822347 A CN 201710822347A CN 107357022 A CN107357022 A CN 107357022A
- Authority
- CN
- China
- Prior art keywords
- lens barrel
- lens
- screw thread
- laser beam
- adjusting nut
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
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Classifications
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B7/00—Mountings, adjusting means, or light-tight connections, for optical elements
- G02B7/02—Mountings, adjusting means, or light-tight connections, for optical elements for lenses
- G02B7/023—Mountings, adjusting means, or light-tight connections, for optical elements for lenses permitting adjustment
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B27/00—Optical systems or apparatus not provided for by any of the groups G02B1/00 - G02B26/00, G02B30/00
- G02B27/09—Beam shaping, e.g. changing the cross-sectional area, not otherwise provided for
- G02B27/0938—Using specific optical elements
- G02B27/095—Refractive optical elements
- G02B27/0955—Lenses
-
- 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
- G02B7/022—Mountings, adjusting means, or light-tight connections, for optical elements for lenses lens and mount having complementary engagement means, e.g. screw/thread
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- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Lens Barrels (AREA)
Abstract
Lens barrel is expanded for the adjustable of laser beam expanding the invention discloses a kind of, is related to laser beam expanding technical field.Including lens barrel, inner lens cone, adjusting nut, screw thread pair, concavees lens, the first pressure ring, the first dust cap, convex lens, the second pressure ring, the second dust cap；Lens barrel is a hollow cylinder, and the inner and outer surfaces of lens barrel one end are respectively fixed with inner lens cone and adjusting nut；Adjusting nut is connected with screw thread pair；Screw thread pair nesting is nested on lens barrel by cavity；Screw thread pair is fixedly connected by stud with inner lens cone.The present invention adjusts inner lens cone position so as to adjust mirror distance between commutator segments by setting adjusting nut, screw thread pair and inner lens cone to coordinate, by adjusting nut, and the influence that can eliminate dispersion angle obtains the good laser beam of the collimation through expanding；By setting inner lens cone fixing len, and adjust mirror distance between commutator segments, have it is simple in construction, reduce structure between assembly method, reduce production cost, facilitate later maintenance.
Description
Technical field
The invention belongs to laser beam expanding technical field, more particularly to a kind of adjustable beam expanding lens for laser beam expanding
Cylinder.
Background technology
Laser beam expanding has important application in holographic etc..Laser has good directionality, and monochromaticjty is high, coherence
The advantages that good, had a wide range of applications in laser holography field.Required laser beam will have and compare under normal circumstances
Big beam diameter and the small angle of departure.And the lasing beam diameter that common laser is sent is led between 0.1mm to 1.0mm,
And there is certain angle of divergence, it is impossible to directly meet the needs of actual.The laser that common laser is sent all must basis
Application demand could use after expanding.
Beam expanding lens is can to change laser beam spot sizes and the lens subassembly of the angle of divergence.Most general beam expanding lens type origin
In Galilean telescope, the concavees lens inputted and the convex lens of an output are generally included.In general low power number expands
Mirror is all manufactured with the principle, because its simple, small volume, price are also low.
Beam expanding lens currently on the market mostly need adjust eyeglass when, operation it is more complicated and adjust it is very inconvenient,
Currently designed one kind coordinates adjustment inner lens cone position to adjust mirror distance between commutator segments by adjusting nut and screw thread pair, has use
It is convenient, it is simple and practical.
The content of the invention
Lens barrel is expanded for the adjustable of laser beam expanding it is an object of the invention to provide a kind of, spiral shell is adjusted by setting
Female, screw thread pair and inner lens cone coordinate, and adjust inner lens cone position so as to adjust mirror distance between commutator segments by adjusting nut, can eliminate hair
The influence for dissipating angle obtains the good laser beam of the collimation through expanding；By setting inner lens cone fixing len, and adjust eyeglass
Between distance, have it is simple in construction, reduce structure between assembly method, reduce production cost, facilitate later maintenance.
In order to solve the above technical problems, the present invention is achieved by the following technical solutions：
The present invention expands lens barrel, including lens barrel, inner lens cone, adjusting nut, spiral shell to be a kind of for the adjustable of laser beam expanding
Line pair, concavees lens, the first pressure ring, the first dust cap, convex lens, the second pressure ring, the second dust cap；The lens barrel is an open circles
Cylinder, the lens barrel both ends are equipped with screw thread side；Described lens barrel one end outer surface both sides are relative to be respectively equipped with one first groove and one
Through slot, and it is provided with a circular groove；The lens barrel other end is sequentially provided with the first conduit and the second conduit；Wherein, described
One channel floor is arc-shaped side；Wherein, the lens barrel both ends are equiped with one first dust cap and one second dust cap respectively；It is described
The inner and outer surfaces of lens barrel one end are respectively fixed with an inner lens cone and an adjusting nut；Wherein, the inner lens cone and lens barrel inwall phase
Mutually coordinate；Wherein, described inner lens cone one end inner surface is sequentially provided with the 3rd conduit and the 4th conduit；The inner lens cone other end phase
To provided with a screw；Wherein, described adjusting nut one end is relative is provided with one first through hole；The adjusting nut other end is provided with
One is raised；The adjusting nut is connected with screw thread pair；The screw thread secondary surface is relative to be provided with one second through hole；The screw thread pair
Nesting is nested on lens barrel by cavity；The screw thread pair is fixedly connected by stud with inner lens cone；The adjusting nut passes through
Stud is fixed on lens barrel.
Further, first conduit is connected with convex lens；Second conduit is connected with the second pressure ring；4th conduit
It is connected with concavees lens；3rd conduit is connected with the first pressure ring；Eyeglass is fixed by pressure ring.
Further, the arc-shaped side is used to cooperate with convex lens, convex lens is stuck in arc-shaped side, convenient to fix
Convex lens.
Further, first dust cap and the second dust cap coordinate with screw thread side, by the first dust cap and second
Dust cap is fixed on lens barrel both ends, for preventing dust from falling into eyeglass.
Further, first through hole and the first groove are cooperated, and adjusting nut is fixed on into lens barrel surface.
Further, second through hole cooperates with through slot and screw；The screw thread pair is by stud with passing through
Groove coordinates driving inner lens cone movement.
Further, the side surface of the first pressure ring one is arranged with one second groove；The side surface of second pressure ring one
One the 3rd groove is arranged with, second groove and the second groove, which are used to the first pressure ring and the second pressure ring coordinate respectively, to be fixed
Eyeglass.
Further, the raised and circular groove cooperates.
The invention has the advantages that：
1st, the present invention adjusts inner lens cone position by setting adjusting nut, screw thread pair and inner lens cone to coordinate by adjusting nut
Put so as to adjust mirror distance between commutator segments, the influence that can eliminate dispersion angle obtains the good laser beam of the collimation through expanding, tool
Have it is easy to use, it is simple and practical.
2nd, the present invention is by setting inner lens cone fixing len, and adjusts mirror distance between commutator segments, has simple in construction, reduction structure
Between assembly method, reduce production cost, facilitate later maintenance.
Certainly, any product for implementing the present invention it is not absolutely required to reach all the above advantage simultaneously.
Brief description of the drawings
In order to illustrate the technical solution of the embodiments of the present invention more clearly, used required for being described below to embodiment
Accompanying drawing is briefly described, it should be apparent that, drawings in the following description are only some embodiments of the present invention, for ability
For the those of ordinary skill of domain, on the premise of not paying creative work, it can also be obtained according to these accompanying drawings other attached
Figure.
Fig. 1 is the structure sectional view of the present invention；
Fig. 2 is the close-up schematic view at A in Fig. 1；
Fig. 3 is the structure sectional view of lens barrel；
Fig. 4 is the close-up schematic view at M in Fig. 3；
Fig. 5 is the structure sectional view of inner lens cone；
Fig. 6 is the structure sectional view of adjusting nut；
Fig. 7 is Fig. 6 structure top view；
Fig. 8 is the structure sectional view of screw thread pair；
Fig. 9 is the structure top view of the first pressure ring；
Figure 10 is the structure top view of the second pressure ring；
Figure 11 is the structure sectional view of the first dust cap；
Figure 12 is the structure sectional view of the second dust cap；
In accompanying drawing, the list of parts representated by each label is as follows：
1- lens barrels, 2- inner lens cones, 3- adjusting nuts, 4- screw thread pairs, 5- concavees lens, the pressure rings of 6- first, the dust caps of 7- first,
8- convex lens, the pressure rings of 9- second, the dust caps of 10- second, the grooves of 101- first, 102- through slots, 103- circular grooves, 104- spiral shells
Line side, 105- lens barrel inwalls, the conduits of 106- first, the conduits of 107- second, 108- arc-shaped sides, the conduits of 201- the 3rd, 202- the 4th
Conduit, 203- screws, the through holes of 301- first, 302- is raised, the through holes of 401- second, 402- cavitys, the grooves of 701- second,
The grooves of 1001- the 3rd.
Embodiment
Below in conjunction with the accompanying drawing in the embodiment of the present invention, the technical scheme in the embodiment of the present invention is carried out clear, complete
Site preparation describes, it is clear that described embodiment is only part of the embodiment of the present invention, rather than whole embodiments.It is based on
Embodiment in the present invention, those of ordinary skill in the art are obtained all other under the premise of creative work is not made
Embodiment, belong to the scope of protection of the invention.
In the description of the invention, it is to be understood that term " perforate ", " on ", " under ", " thickness ", " top ", " in ",
Indicating position or the position relationship such as " length ", " interior ", " surrounding ", it is for only for ease of the description present invention and simplifies description, without
It is that the component of instruction or hint meaning or element must have specific orientation, with specific azimuth configuration and operation, therefore not
It is understood that as limitation of the present invention.
Referring to shown in Fig. 1-12, the present invention expands lens barrel to be a kind of for the adjustable of laser beam expanding, including lens barrel 1,
Inner lens cone 2, adjusting nut 3, screw thread pair 4, concavees lens 5, the first pressure ring 6, the first dust cap 7, convex lens 8, the second pressure ring 9,
Two dust caps 10；Lens barrel 1 is a hollow cylinder, and the both ends of lens barrel 1 are equipped with screw thread side 104；One end outer surface both sides of lens barrel 1 are relative
One first groove 101 and a through slot 102 are respectively equipped with, and is provided with a circular groove 103；The other end of lens barrel 1 is sequentially provided with
One conduit 106 and the second conduit 107；Wherein, the bottom of the first conduit 106 is arc-shaped side 108；Wherein, the both ends of lens barrel 1 are installed respectively
There are one first dust cap 7 and one second dust cap 10；The inner and outer surfaces of the one end of lens barrel 1 are respectively fixed with an inner lens cone 2 and one and adjusted
Save nut 3；Wherein, inner lens cone 2 cooperates with lens barrel inwall 105；Wherein, one end inner surface of inner lens cone 2 is sequentially provided with the 3rd
The conduit 202 of conduit 201 and the 4th；The other end of inner lens cone 2 is relative to be provided with a screw 203；Wherein, the one end of adjusting nut 3 is relative sets
There is one first through hole 301；The other end of adjusting nut 3 is provided with a projection 302；Adjusting nut 3 is connected with screw thread pair 4；Screw thread pair 4
Surface is relative to be provided with one second through hole 401；Screw thread pair 4 is nested to be nested on lens barrel 1 by cavity 402；Screw thread pair 4 passes through spiral shell
Post is fixedly connected with inner lens cone 2；Adjusting nut 3 is fixed on lens barrel 4 by stud.
Wherein, the first conduit 106 is connected with convex lens 8；Second conduit 107 is connected with the second pressure ring 9；4th conduit 202
It is connected with concavees lens 5；3rd conduit 201 is connected with the first pressure ring 6；Eyeglass is fixed by pressure ring.
Wherein, arc-shaped side 108 is used to cooperate with convex lens 8, convex lens 8 is stuck in arc-shaped side 108, convenient to fix
Convex lens 8.
Wherein, the first dust cap 7 coordinates with the second dust cap 10 with screw thread side 104, and the first dust cap 7 is prevented with second
Dirt lid 10 is fixed on lens barrel both ends, for preventing dust from falling into eyeglass.
Wherein, the first through hole 301 is cooperated with the first groove 101, and adjusting nut 3 is fixed on into the surface of lens barrel 1.
Wherein, the second through hole 401 cooperates with through slot 102 and screw 203；Screw thread pair 3 passes through stud and insertion
Groove 102 coordinates driving inner lens cone 2 to move.
Wherein, the side surface of the first pressure ring 7 one is arranged with one second groove 701；The side surface of second pressure ring 10 1 is symmetrically set
There is one the 3rd groove 1001, the second groove 701 is used to the first pressure ring 7 and the second pressure ring 10 coordinate respectively with the second groove 1001
Fixing len.
Wherein, projection 302 cooperates with circular groove 103.
In the description of this specification, the description of reference term " one embodiment ", " example ", " specific example " etc. means
At least one implementation of the present invention is contained in reference to specific features, structure, material or the feature that the embodiment or example describe
In example or example.In this manual, identical embodiment or example are not necessarily referring to the schematic representation of above-mentioned term.
Moreover, specific features, structure, material or the feature of description can close in any one or more embodiments or example
Suitable mode combines.
Present invention disclosed above preferred embodiment is only intended to help and illustrates the present invention.Preferred embodiment is not detailed
All details are described, it is only described embodiment also not limit the invention.Obviously, according to the content of this specification,
It can make many modifications and variations.This specification is chosen and specifically describes these embodiments, is to preferably explain the present invention
Principle and practical application so that skilled artisan can be best understood by and utilize the present invention.The present invention is only
Limited by claims and its four corner and equivalent.
Claims (8)
1. a kind of expand lens barrel for the adjustable of laser beam expanding, it is characterised in that：Including lens barrel (1), inner lens cone (2), regulation
Nut (3), screw thread pair (4), concavees lens (5), the first pressure ring (6), the first dust cap (7), convex lens (8), the second pressure ring (9),
Second dust cap (10)；
The lens barrel (1) is a hollow cylinder, and lens barrel (1) both ends are equipped with screw thread side (104)；Described lens barrel (1) one end
Outer surface both sides are relative to be respectively equipped with one first groove (101) and a through slot (102), and is provided with a circular groove (103)；Institute
State lens barrel (1) other end and be sequentially provided with the first conduit (106) and the second conduit (107)；
Wherein, the first conduit (106) bottom is arc-shaped side (108)；
Wherein, lens barrel (1) both ends are equiped with one first dust cap (7) and one second dust cap (10) respectively；
The inner and outer surfaces of described lens barrel (1) one end are respectively fixed with an inner lens cone (2) and an adjusting nut (3)；
Wherein, the inner lens cone (2) cooperates with lens barrel inwall (105)；
Wherein, described inner lens cone (2) one end inner surface is sequentially provided with the 3rd conduit (201) and the 4th conduit (202)；The scope
Cylinder (2) other end is relative to be provided with a screw (203)；
Wherein, described adjusting nut (3) one end is relative is provided with one first through hole (301)；Adjusting nut (3) other end is set
There are one raised (302)；
The adjusting nut (3) is connected with screw thread pair (4)；
Screw thread pair (4) surface is relative to be provided with one second through hole (401)；The screw thread pair (4) is nested to pass through cavity (402)
It is nested on lens barrel (1)；
The screw thread pair (4) is fixedly connected by stud with inner lens cone (2)；
The adjusting nut (3) is fixed on lens barrel (4) by stud.
2. a kind of lens barrel is expanded according to claim 1 for the adjustable of laser beam expanding, it is characterised in that described first
Conduit (106) is connected with convex lens (8)；Second conduit (107) is connected with the second pressure ring (9)；4th conduit (202) with it is recessed
Lens (5) connect；3rd conduit (201) is connected with the first pressure ring (6).
3. a kind of lens barrel is expanded according to claim 1 for the adjustable of laser beam expanding, it is characterised in that the arc
Side (108) cooperates with convex lens (8).
4. a kind of lens barrel is expanded according to claim 1 for the adjustable of laser beam expanding, it is characterised in that described first
Dust cap (7) coordinates with the second dust cap (10) with screw thread side (104).
5. a kind of lens barrel is expanded according to claim 1 for the adjustable of laser beam expanding, it is characterised in that described first
Through hole (301) cooperates with the first groove (101).
6. a kind of lens barrel is expanded according to claim 1 for the adjustable of laser beam expanding, it is characterised in that described second
Through hole (401) cooperates with through slot (102) and screw (203)；The screw thread pair (3) passes through stud and through slot
(102) coordinate driving inner lens cone (2) mobile.
7. a kind of lens barrel is expanded according to claim 1 for the adjustable of laser beam expanding, it is characterised in that described first
The side surface of pressure ring (7) one is arranged with one second groove (701)；The side surface of second pressure ring (10) one is arranged with one the 3rd
Groove (1001).
8. a kind of lens barrel is expanded according to claim 1 for the adjustable of laser beam expanding, it is characterised in that the projection
(302) cooperated with circular groove (103).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710822347.8A CN107357022A (en) | 2017-09-13 | 2017-09-13 | It is a kind of to expand lens barrel for the adjustable of laser beam expanding |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710822347.8A CN107357022A (en) | 2017-09-13 | 2017-09-13 | It is a kind of to expand lens barrel for the adjustable of laser beam expanding |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107357022A true CN107357022A (en) | 2017-11-17 |
Family
ID=60290361
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710822347.8A Pending CN107357022A (en) | 2017-09-13 | 2017-09-13 | It is a kind of to expand lens barrel for the adjustable of laser beam expanding |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107357022A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110007461A (en) * | 2017-12-30 | 2019-07-12 | 深圳多哚新技术有限责任公司 | Optical system |
| CN110286492A (en) * | 2019-07-09 | 2019-09-27 | 合肥工业大学 | A kind of interferometer large-aperture optical beam expander |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101211001A (en) * | 2006-12-31 | 2008-07-02 | 深圳市大族激光科技股份有限公司 | Zooming expander |
| DE102009025182A1 (en) * | 2008-06-12 | 2009-12-24 | Jenoptik Laser, Optik, Systeme Gmbh | Optical beam expander for laser material processing, comprises sockets, which hold coated lens and are connected with one another, elastic elements, adjusting rings having internal thread sections, guide grooves, and connection channels |
| CN203405405U (en) * | 2013-07-24 | 2014-01-22 | 苏州晓松科技开发有限公司 | Laser physical evidence inspection instrument |
| CN205787395U (en) * | 2016-06-16 | 2016-12-07 | 西安中科微精光子制造科技有限公司 | A kind of laser beam expander |
| CN207424337U (en) * | 2017-09-13 | 2018-05-29 | 安徽海溢鑫科技有限公司 | It is a kind of to expand lens barrel for the adjustable of laser beam expanding |
-
2017
- 2017-09-13 CN CN201710822347.8A patent/CN107357022A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101211001A (en) * | 2006-12-31 | 2008-07-02 | 深圳市大族激光科技股份有限公司 | Zooming expander |
| DE102009025182A1 (en) * | 2008-06-12 | 2009-12-24 | Jenoptik Laser, Optik, Systeme Gmbh | Optical beam expander for laser material processing, comprises sockets, which hold coated lens and are connected with one another, elastic elements, adjusting rings having internal thread sections, guide grooves, and connection channels |
| CN203405405U (en) * | 2013-07-24 | 2014-01-22 | 苏州晓松科技开发有限公司 | Laser physical evidence inspection instrument |
| CN205787395U (en) * | 2016-06-16 | 2016-12-07 | 西安中科微精光子制造科技有限公司 | A kind of laser beam expander |
| CN207424337U (en) * | 2017-09-13 | 2018-05-29 | 安徽海溢鑫科技有限公司 | It is a kind of to expand lens barrel for the adjustable of laser beam expanding |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110007461A (en) * | 2017-12-30 | 2019-07-12 | 深圳多哚新技术有限责任公司 | Optical system |
| CN110286492A (en) * | 2019-07-09 | 2019-09-27 | 合肥工业大学 | A kind of interferometer large-aperture optical beam expander |
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