CN213520675U - Integrated beam expanding lens - Google Patents
Integrated beam expanding lens Download PDFInfo
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- CN213520675U CN213520675U CN202022902032.4U CN202022902032U CN213520675U CN 213520675 U CN213520675 U CN 213520675U CN 202022902032 U CN202022902032 U CN 202022902032U CN 213520675 U CN213520675 U CN 213520675U
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- sleeve
- lens
- beam expander
- flange plate
- laser
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Abstract
The utility model relates to an integrated beam expander, which comprises a beam expander sleeve, a first lens, a first sealing element and a second lens, wherein the beam expander sleeve comprises a first sleeve, a second sleeve and a flange plate, the first lens is arranged in the first sleeve, the second lens is arranged in the second sleeve, one end of the first sleeve is connected with the flange plate, the second sleeve is connected with the flange plate, and the end surface of the flange plate close to the first sleeve is abutted against a laser; the end surface of the flange plate close to the first sleeve is inwards recessed to form a groove; the first sealing element is embedded in the groove, a cavity is formed in the laser, and the first sleeve is inserted in the cavity. The utility model can replace the sealing function of the window lens, and the beam expanding lens component is partially embedded into the laser cavity, so that the beam expanding lens is more difficult to be polluted by dust by utilizing the clean and dry environment of the cavity, and the service life of the beam expanding lens is prolonged; meanwhile, the beam expander component is more compact, and the material cost is reduced.
Description
Technical Field
The utility model relates to a beam expander, more specifically say and indicate integration beam expander.
Background
The beam expander is a lens assembly capable of changing the diameter and divergence angle of the laser beam. Generally, a window mirror assembly is required to be installed at a light outlet of a cavity of a solid laser, the window mirror assembly has the function of enabling laser beams to have a better polarization direction, and meanwhile, the window mirror assembly plays a role in sealing, is dustproof and moistureproof and ensures cleanness of the cavity of the laser. In the application of the laser, a beam expander is usually added to the window mirror, and the beam expander aims to collimate the light spot of the laser beam and amplify the diameter of the light spot.
The existing laser beam expander mainly adopts an independent component form, the beam expander is independently installed outside a laser cavity, a window of the laser cavity adopts a window mirror form, and the laser cavity is sealed.
Therefore, it is necessary to design a new beam expander, which can replace the window mirror for sealing, and the beam expander component is partially embedded into the laser cavity, so that the beam expander component is more compact, reliable and durable, and the material cost is reduced.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to overcome prior art's defect, provide integration beam expanding lens.
In order to achieve the above purpose, the utility model adopts the following technical scheme: the integrated beam expander comprises a beam expander sleeve, a first lens, a first sealing element and a second lens, wherein the beam expander sleeve comprises a first sleeve, a second sleeve and a flange plate, the first lens is installed in the first sleeve, the second lens is installed in the second sleeve, one end of the first sleeve is connected with the flange plate, the second sleeve is connected with the flange plate, and the end surface, close to the first sleeve, of the flange plate is abutted to a laser; the end face, close to the first sleeve, of the flange plate is inwards recessed to form a groove; the first sealing element is embedded in the groove, a cavity is formed in the laser, the first sleeve is inserted into the cavity, and a kidney-shaped groove is formed in the second sleeve to form an open space.
The further technical scheme is as follows: one end of the first sleeve, which is far away from the flange plate, is recessed inwards to form a first mounting groove, and the first lens is arranged in the first mounting groove.
The further technical scheme is as follows: and a first compression ring is further installed in the first installation groove and abuts against the first lens.
The further technical scheme is as follows: the first sleeve is provided with a plurality of through grooves which are arranged at intervals.
The further technical scheme is as follows: one end, far away from the flange plate, of the second sleeve is recessed inwards to form a second mounting groove, and the second lens is arranged in the second mounting groove.
The further technical scheme is as follows: and a second compression ring is further mounted in the second mounting groove and abuts against the second lens.
The further technical scheme is as follows: and a second sealing piece is further installed in the second installation groove and is positioned between the second lens and the bottom of the second installation groove.
The further technical scheme is as follows: the first sealing element is a silica gel sealing ring.
The further technical scheme is as follows: the second sealing element is a silica gel sealing ring.
The further technical scheme is as follows: the outer end of the first compression ring is further connected with a jackscrew.
Compared with the prior art, the utility model beneficial effect be: the utility model discloses a set up the beam expanding lens sleeve, first lens, first sealing member and second lens, the beam expanding lens sleeve includes first sleeve, second sleeve and ring flange, install first lens in first sleeve, set up the second lens in the second sleeve, and insert first sleeve and establish in the cavity of laser instrument, set up first sealing member between ring flange and laser instrument, in order to play sealed effect, realize the sealed effect that can replace the window mirror, beam expanding lens subassembly part imbeds the laser instrument cavity simultaneously, make beam expanding lens part compacter, reduce material cost.
The invention is further described with reference to the accompanying drawings and specific embodiments.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings required to be used in the description of the embodiments are briefly introduced below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without any creative effort.
Fig. 1 is a schematic perspective view of an integrated beam expander according to an embodiment of the present invention;
fig. 2 is an exploded schematic view of an integrated beam expander according to an embodiment of the present invention;
fig. 3 is a schematic view of a sectioning structure of the integrated beam expander provided by the specific embodiment of the present invention.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more clearly understood, the present invention will be described in further detail with reference to the accompanying drawings and the following 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 those skilled in the art without creative efforts belong to the protection scope of the present invention.
In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise" and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and to simplify the description, but do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore should not be construed as limiting the present invention.
Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless specifically limited otherwise.
In the present invention, unless otherwise expressly specified or limited, the terms "mounted," "connected," and "secured" are to be construed broadly and can, for example, be connected or detachably connected or integrated; can be mechanically or electrically connected; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.
In the present disclosure, unless expressly stated or limited otherwise, the first feature "on" or "under" the second feature may comprise direct contact between the first and second features, or may comprise contact between the first and second features not directly. Also, the first feature being "on," "above" and "over" the second feature includes the first feature being directly on and obliquely above the second feature, or merely indicating that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature includes the first feature being directly under and obliquely below the second feature, or simply meaning that the first feature is at a lesser elevation than the second feature.
In the description herein, references to the description of the term "one embodiment," "some embodiments," "an example," "a specific example," or "some examples," etc., mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above should not be understood to necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples. Furthermore, various embodiments or examples described in this specification can be combined and combined by one skilled in the art.
As shown in fig. 1 to 3, the integrated beam expander provided in this embodiment can be applied to a scene where a light spot of a laser beam is collimated and a diameter of the light spot is enlarged.
Referring to fig. 1 and 2, the integrated beam expander includes a beam expander sleeve, a first lens 70, a first sealing member 40, and a second lens 80, the beam expander sleeve includes a first sleeve 10, a second sleeve 20, and a flange 30, the first lens 70 is installed in the first sleeve 10, the second lens 80 is installed in the second sleeve 20, one end of the first sleeve 10 is connected to the flange 30, the second sleeve 20 is connected to the flange 30, and an end surface of the flange 30 close to the first sleeve 10 is abutted to a laser; the end surface of the flange 30 close to the first sleeve 10 is recessed inwards to form a groove 31; the first sealing element 40 is embedded in the groove 31, a cavity is arranged in the laser, the first sleeve 10 is inserted in the cavity, and a kidney-shaped groove is formed in the second sleeve 20 to form an open space.
In the present embodiment, the flange 30 abuts on the outer end face of the laser, and a groove 31 is provided at the end of the flange 30 abutting on the laser, and the first sealing member 40 is embedded in the groove 31 to function as a seal for the laser. The realization can replace the sealed effect of window mirror, and the telescopic partial embedding of beam expander laser simultaneously cavity for beam expander parts are compacter, reliable, durable, reduce material cost.
In this embodiment, one end of the first sleeve 10 is located inside the groove 31.
In one embodiment, referring to fig. 2, an end of the first sleeve 10 away from the flange 30 is recessed inward to form a first mounting groove 11, and the first lens 70 is disposed in the first mounting groove 11.
In an embodiment, referring to fig. 2, a first pressing ring 60 is further installed in the first installation groove 11, and the first pressing ring 60 abuts against the first lens 70.
During assembly, the first lens 70 is first placed in the first mounting groove 11, and then the first clamp ring 60 is pressed into the first mounting groove 11.
In this embodiment, the bottom of the first mounting groove 11 is a stepped hole, and the shape of the stepped hole is consistent with the shape of the first lens 70, so as to play a positioning role in mounting the first lens 70.
In one embodiment, the first sleeve 10 has a plurality of through slots 12 spaced apart from each other. A plurality of through slots 12 are spaced about the axis of the first sleeve 10. The design of the through groove 12 is adopted to form a sleeve open structure of the beam expander, so that internal dust can be observed conveniently, and the material cost can be reduced.
In one embodiment, the end of the second sleeve 20 away from the flange 30 is recessed to form a second mounting groove, and the second lens 80 is disposed in the second mounting groove.
In an embodiment, a second compression ring 90 is further installed in the second installation groove, and the second compression ring 90 abuts against the second lens 80.
In this embodiment, the bottom of the second mounting groove is a stepped hole, and the shape of the stepped hole of the second mounting groove is consistent with the shape of the second lens 80, so as to play a positioning role in mounting the second lens 80.
In an embodiment, referring to fig. 3, a second sealing member 100 is further installed in the second installation groove, and the second sealing member 100 is located between the second lens 80 and the bottom of the second installation groove. The bottom of the second lens 80 is provided with a second sealing element 100, and the second lens 80 is fixed by a second compression ring 90 to perform fixing and sealing functions.
In an embodiment, referring to fig. 3, the first sealing element 40 is a silicone sealing ring.
In an embodiment, referring to fig. 3, the second sealing element 100 is a silicone sealing ring.
Of course, in other embodiments, the first sealing element 40 and the second sealing element 100 may be rubber sealing rings, etc.
In one embodiment, a jackscrew 50 is further attached to the outer end of first clamp ring 60. The first compression ring 60 is externally reinforced by jacking with the jackscrew 50.
In the present embodiment, the first sleeve 10, the flange 30 and the second sleeve 20 are integrally designed to reduce the cost.
In one embodiment, a see-through window is provided on the laser to facilitate viewing of the conditions within the first sleeve 10.
Foretell integration beam expander, through setting up the beam expander sleeve, first lens 70, first sealing member 40 and second lens 80, the beam expander sleeve includes first sleeve 10, second sleeve 20 and ring flange 30, install first lens 70 in first sleeve 10, set up second lens 80 in the second sleeve 20, and insert first sleeve 10 in the cavity of establishing at the laser instrument, set up first sealing member 40 between ring flange 30 and laser instrument, in order to play sealed effect, realize the sealed effect that can replace the window mirror, the partial embedding laser instrument cavity of beam expanding simultaneously, make the beam expander part compacter, reduce material cost.
The technical content of the present invention is further described by the embodiments only, so that the reader can understand it more easily, but the embodiments of the present invention are not limited thereto, and any technical extension or re-creation according to the present invention is protected by the present invention. The protection scope of the present invention is subject to the claims.
Claims (10)
1. The integrated beam expander is characterized by comprising a beam expander sleeve, a first lens, a first sealing element and a second lens, wherein the beam expander sleeve comprises a first sleeve, a second sleeve and a flange plate, the first lens is installed in the first sleeve, the second lens is installed in the second sleeve, one end of the first sleeve is connected with the flange plate, the second sleeve is connected with the flange plate, and the end surface, close to the first sleeve, of the flange plate is abutted to a laser; the end face, close to the first sleeve, of the flange plate is inwards recessed to form a groove; the first sealing element is embedded in the groove, a cavity is formed in the laser, the first sleeve is inserted into the cavity, and a kidney-shaped groove is formed in the second sleeve to form an open space.
2. The integrated beam expander of claim 1, wherein an end of the first sleeve remote from the flange is recessed inwardly to form a first mounting groove, and the first lens is disposed in the first mounting groove.
3. The integrated beam expander of claim 2, wherein a first clamp ring is further mounted in the first mounting groove, the first clamp ring abutting the first lens.
4. The integrated beam expander of claim 3, wherein the first sleeve has a plurality of spaced apart through slots.
5. The integrated beam expander of claim 1, wherein an end of the second sleeve remote from the flange is recessed inwardly to form a second mounting groove, and the second lens is disposed in the second mounting groove.
6. The integrated beam expander of claim 5, wherein a second compression ring is further mounted in the second mounting groove, the second compression ring abutting the second lens.
7. The integrated beam expander of claim 6, wherein a second seal is further mounted within the second mounting groove, the second seal being located between the second lens and the bottom of the second mounting groove.
8. The integrated beam expander lens of claim 4, wherein the first seal is a silicone gasket.
9. The integrated beam expander lens of claim 7, wherein the second seal is a silicone gasket.
10. The integrated beam expander of claim 8, wherein a jackscrew is further attached to an outer end of the first compression ring.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022902032.4U CN213520675U (en) | 2020-12-04 | 2020-12-04 | Integrated beam expanding lens |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022902032.4U CN213520675U (en) | 2020-12-04 | 2020-12-04 | Integrated beam expanding lens |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN213520675U true CN213520675U (en) | 2021-06-22 |
Family
ID=76427771
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202022902032.4U Active CN213520675U (en) | 2020-12-04 | 2020-12-04 | Integrated beam expanding lens |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN213520675U (en) |
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2020
- 2020-12-04 CN CN202022902032.4U patent/CN213520675U/en active Active
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