CN216286018U - Laser beam expanding lens barrel capable of freely stretching and zooming - Google Patents
Laser beam expanding lens barrel capable of freely stretching and zooming Download PDFInfo
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- CN216286018U CN216286018U CN202123060906.7U CN202123060906U CN216286018U CN 216286018 U CN216286018 U CN 216286018U CN 202123060906 U CN202123060906 U CN 202123060906U CN 216286018 U CN216286018 U CN 216286018U
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- lens barrel
- wall
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- 239000011111 cardboard Substances 0.000 claims description 14
- 238000007789 sealing Methods 0.000 claims description 10
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- 238000004026 adhesive bonding Methods 0.000 description 2
- 230000008859 change Effects 0.000 description 2
- 238000010438 heat treatment Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000007704 transition Effects 0.000 description 2
- 230000004075 alteration Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000005347 demagnetization Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000000428 dust Substances 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005485 electric heating Methods 0.000 description 1
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- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
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Abstract
The utility model discloses a laser beam expanding lens cone capable of freely stretching and zooming, which comprises a lens cone, wherein the side wall of the lens cone is rotatably provided with a rotating ring, the inside of the drawtube is provided with a telescopic tube, the side wall of the telescopic tube is fixedly provided with a plurality of inclined openings, the inner wall of the rotating ring is fixedly connected with a retaining column, the inclined opening is matched with the retaining column, the inner wall of the extension tube is fixedly connected with a micro-motion component, the micro-motion assembly comprises a fixed ring, the front end and the rear end of the fixed ring are both fixedly connected with magnetic rings, a sliding ring is arranged in the fixed ring in a sliding manner, the inside of the sliding ring is fixedly connected with a coil, the inner wall of the sliding ring is fixedly connected with a lens, the lens adopts a double-faced concave lens, the novel clamping ring is characterized in that a plurality of clamping plates are arranged inside the sliding ring, an elastic part is arranged on one side of each clamping plate, the sliding ring extends out of the other side of each clamping plate, and a plurality of clamping grooves are formed in the inner wall of each fixing ring. The utility model is convenient for the lens barrel to zoom and finely adjust the focal length.
Description
Technical Field
The utility model relates to the field of beam expanding lenses, in particular to a laser beam expanding lens barrel capable of freely stretching and zooming.
Background
The beam expander is a lens assembly capable of changing the diameter and divergence angle of the laser beam. The beam expansion is usually performed by using a plurality of lenses, and the beam expansion is performed by using one lens. The beam expander is basically capable of zooming.
On the patent net, there is the patent title "a laser beam expanding collimation device", application number "CN 202020949700.6", the lens cone adopts the flexible form of a plurality of sleeves stack, and the change of its focus, the length of lens cone also changes, and the focus position of lens cone changes greatly promptly, and it is inconvenient that manual regulation focus. And the micro-motion adjusting device is not arranged in the scheme, so that the precision of the adjustment of the focal length is low.
SUMMERY OF THE UTILITY MODEL
The utility model aims to solve the defects in the prior art and provides a laser beam expanding lens barrel capable of freely stretching and zooming.
In order to achieve the purpose, the utility model adopts the following technical scheme: a laser beam expanding lens cone capable of freely extending and retracting and zooming comprises a lens cone, wherein the lens cone is horn-shaped and adopts fillet transition, a rotating ring is rotatably arranged on the side wall of the lens cone, a sealing ring is further arranged between the rotating ring and the lens cone to realize the dynamic sealing of the rotating ring and the lens cone, an extension tube is arranged inside the lens cone, a plurality of inclined openings are fixedly arranged on the side wall of the extension tube, the inclined openings are obliquely arranged, a stop column is fixedly connected to the inner wall of the rotating ring, the stop column is cylindrical, and the inclined openings are matched with the stop column;
the inner wall of the telescopic tube is fixedly connected with a micro-motion assembly, the micro-motion assembly comprises a fixing ring, the fixing ring is fixed on the inner wall of the telescopic tube, the front end and the rear end of the fixing ring are fixedly connected with magnetic rings, the magnetic rings are permanent magnets, a sliding ring is arranged in the fixing ring in a sliding mode, the sliding ring is provided with a cavity, a coil is fixedly connected in the sliding ring, the coil is wound in the cavity, the inner wall of the sliding ring is fixedly connected with a lens, and the lens is a biconcave lens;
the inside of slip ring is provided with a plurality of cardboards, one side of cardboard is provided with the elastic component, and the elastic component can be spring or arc shell fragment, can set up magnet in one side that the cardboard was provided with the elastic component for adsorb, and the adsorption affinity that just produces is less than the elasticity of elastic component, for guaranteeing breaking away from smoothly of magnet, can add the electric heat piece on magnet for the heating demagnetization, the slip ring is extended to the opposite side of cardboard, solid fixed ring's inner wall is provided with a plurality of draw-in grooves, one side of draw-in groove and cardboard cooperation cardboard is flat.
As a further description of the above technical solution:
the side wall of the lens cone is fixedly connected with two limiting rings, the rotating ring is located between the two limiting rings, two ends of the rotating ring are both in contact with the limiting rings, and the outer diameter of the rotating ring is larger than that of the limiting rings.
As a further description of the above technical solution:
one side fixedly connected with casing of spacing collar, the inside of casing is provided with driving motor, and the driving motor work form and the in-wheel motor of this department are unanimous, and driving motor is provided with the encoder, driving motor's lateral wall fixedly connected with gear, the lateral wall of swivel becket is provided with the teeth of a cogwheel, gear and teeth of a cogwheel meshing.
As a further description of the above technical solution:
the both ends of driving motor all extend and are provided with the motor shaft, and the inside fixed connection of motor shaft and casing.
As a further description of the above technical solution:
the side wall of the lens cone is provided with a plurality of first openings at equal angles, the first openings are rectangular, and the stop posts penetrate through the first openings.
As a further description of the above technical solution:
the outside of coil is provided with the armature ring, one side of elastic component acts on the armature ring, and under the effect of no external force, the elastic component is ejecting with the cardboard, realizes the cooperation of cardboard and draw-in groove.
As a further description of the above technical solution:
the side wall of the sliding ring is provided with a plurality of second openings, the second openings are also rectangular, and the clamping plates extend out of the second openings.
As a further description of the above technical solution:
the side wall of the sliding ring is fixedly connected with a convex block, the cross section of the convex block is a circular cross section, one part of the convex block is arranged inside the sliding ring and integrally formed, the inner wall of the fixing ring is provided with a sliding groove, the sliding groove is semicircular, and the sliding groove is in sliding fit with the convex block
As a further description of the above technical solution:
one end of the sliding ring is fixedly connected with a sealing ring for sealing the cavity of the sliding ring, and the sliding ring can be fixed in a gluing mode.
The utility model has the following beneficial effects:
1. compared with the prior art, the laser beam expanding lens cone capable of freely stretching and zooming is provided with the rotating ring, the rotating ring is rotated simultaneously, the movement of the telescopic pipe arranged inside is realized, the integral length of the lens cone is not changed by adjusting the focal length, and the lens cone has the capabilities of automatically adjusting and manually adjusting the focal length.
2. Compared with the prior art, the laser beam expanding lens barrel capable of freely stretching and zooming is provided with the micro-motion assembly, so that the focal length can be finely adjusted, and the precision of the focal length is improved.
3. Compared with the prior art, this can freely stretch out and draw back laser beam expanding lens cone of zooming is provided with cardboard, draw-in groove for fixed lens avoids the in-process lens of transporting to damage, when finely tuning the focus simultaneously, and the magnetic field that the coil produced also acts on the cardboard, and the device can be simplified in the locking of contact slip ring.
Drawings
Fig. 1 is a schematic perspective view of a freely retractable and zooming laser beam expanding lens barrel according to the present invention;
fig. 2 is an exploded schematic view of a freely retractable and zooming laser beam expanding lens barrel according to the present invention;
FIG. 3 is an exploded view of the stationary components of a freely retractable and variable-focus laser beam expanding lens barrel according to the present invention;
fig. 4 is a schematic structural diagram of a clamping plate of a freely retractable and zooming laser beam expanding lens barrel according to the present invention.
Illustration of the drawings:
1. a lens barrel; 2. a telescopic pipe; 3. a limiting ring; 4. a rotating ring; 5. a housing; 6. a micro-motion assembly; 7. a drive motor; 8. a gear;
11. a first opening; 21. an oblique opening; 41. a bumping post; 61. a seal ring; 62. a lens; 63. a coil; 64. clamping a plate; 65. an armature ring; 66. a slip ring; 67. a magnetic ring; 68. a fixing ring; 69. an elastic member;
661. a second opening; 662. a bump; 681. a card slot; 682. a chute.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1-4, the laser beam expanding lens barrel capable of freely extending and retracting and zooming provided by the utility model comprises a lens barrel 1, wherein the lens barrel 1 is horn-shaped and adopts fillet transition, a rotating ring 4 is rotatably arranged on the side wall of the lens barrel 1, a sealing ring is further arranged between the rotating ring 4 and the lens barrel 1 to realize the dynamic sealing of the rotating ring 4 and the lens barrel 1, so as to avoid the damage of the lens barrel due to the entering of dust and water stain, an extension tube 2 is arranged inside the lens barrel 1, the extension tube 2 slides in the axial direction, a plurality of inclined openings 21 are fixedly arranged on the side wall of the extension tube 2, the inclined openings 21 are obliquely arranged, a retaining column 41 is fixedly connected to the inner wall of the rotating ring 4, the retaining column 41 is cylindrical, the inclined openings 21 are matched with the retaining column 41, namely the rotating ring 4 is rotated, and the retaining column 41 slides in the inclined openings 21 to realize the axial sliding of the extension tube 2, so as to perform zooming treatment.
The inner wall of the telescopic pipe 2 is fixedly connected with a micro-motion assembly 6, fine adjustment of focal length is carried out, the precision of expanded beam is improved, the micro-motion assembly 6 comprises a fixing ring 68, the fixing ring 68 is fixed on the inner wall of the telescopic pipe 2, the front end and the rear end of the fixing ring 68 are fixedly connected with a magnetic ring 67, the magnetic ring 67 is a permanent magnet, a sliding ring 66 is arranged inside the fixing ring 68 in a sliding mode, the sliding ring 66 is provided with a cavity, the inner portion of the sliding ring 66 is fixedly connected with a coil 63, the coil 63 is wound in the cavity, the inner wall of the sliding ring 66 is fixedly connected with a lens 62, the lens 62 adopts a double-faced concave lens and is used for expanded beam, the coil 63 is electrified to generate a magnetic field, the sliding ring 66 is pushed to move by the magnetic ring 67, the electrifying direction of the coil 63 is changed, and the moving direction of the sliding ring 66 is changed.
The inside of the slip ring 66 is provided with a plurality of catch plates 64, one side of the catch plates 64 is provided with an elastic piece 69, the outside of the coil 63 is provided with an armature ring 65, the armature ring 65 is used for improving the magnetic field acting force generated by the coil 63, one side of the elastic piece 69 acts on the armature ring 65, and simultaneously, the elastic piece 69 is prevented from directly acting on the coil 63, and the damage of the coil 63 is caused in the long-term use process, the elastic piece 69 can be a spring or an arc-shaped elastic piece, one side of the catch plates 64 provided with the elastic piece 69 can be provided with a magnet for adsorption, and the generated adsorption force is smaller than the elastic force of the elastic piece 69, in order to ensure the smooth separation of the magnet, an electric heating piece can be added on the magnet for heating and degaussing, the other side of the catch plates 64 extends out of the slip ring 66, the inner wall of the fixed ring 68 is provided with a plurality of catch grooves 681, one side of the catch grooves 681 matched with the catch plates 64 is flat, which is convenient for the catch plates 64, under the action of no external force, the elastic piece 69 ejects the clamping plate 64, the clamping plate 64 is matched with the clamping groove 681, the sliding of the sliding ring 66 is limited, the coil 63 is electrified to generate a magnetic field, the magnetic field acts on the magnetic ring 67 and adsorbs the clamping plate 64, the clamping plate 64 retracts into the sliding ring 66, and at the moment, the sliding ring 66 relieves the sliding limitation.
The lateral wall fixedly connected with twice spacing collar 3 of lens cone 1, swivel ring 4 are located between twice spacing collar 3, and the both ends of swivel ring 4 all contact with spacing collar 3, and the external diameter of swivel ring 4 is greater than the external diameter of spacing collar 3, makes things convenient for swivel ring 4's rotation.
One side fixedly connected with casing 5 of spacing collar 3, the inside of casing 5 is provided with driving motor 7, 7 work forms of driving motor 7 and the in-wheel motor of this department are unanimous, and driving motor 7 is provided with the encoder, be used for writing down driving motor 7 stroke, confirm the position of slip tube 2, the lateral wall fixedly connected with gear 8 of driving motor 7, the lateral wall of swivel ring 4 is provided with the teeth of a cogwheel, gear 8 and the meshing of the teeth of a cogwheel, driving motor 7's both ends all extend and are provided with the motor shaft, and the inside fixed connection of motor shaft and casing 5, start driving motor 7 promptly, power transmission through gear 8, realize the selection of swivel ring 4, swivel ring 4 can adopt manual rotation simultaneously, and the teeth of a cogwheel of surface setting, can avoid skidding, can improve the aesthetic property again.
The side wall of the lens barrel 1 is provided with a plurality of first openings 11 at equal angles, the first openings 11 are rectangular, and the stop column 41 passes through the first openings 11.
The side wall of the sliding ring 66 is provided with a plurality of second openings 661, the second openings 661 are also rectangular, and the locking plate 64 extends from the second openings 661.
The lateral wall fixedly connected with lug 662 of slip ring 66, the cross-section that lug 662 was is circular cross-section, and partly in the inside of slip ring 66, integrated into one piece, the inner wall of fixed ring 68 is provided with spout 682, and spout 682 is semi-circular, and spout 682 and lug 662 sliding fit place the slip ring 66 and rotate.
One end of the sliding ring 66 is fixedly connected with a sealing ring 61 for sealing the cavity of the sliding ring 66, and the sealing ring can be fixed by gluing.
The working principle is as follows: when the lens focusing device is used, the driving motor 7 can be started, the rotating ring 4 can also be rotated manually, the telescopic tube 2 acts to change the position of the lens 62, namely zooming processing is realized, the coil 63 is further electrified to generate a magnetic field, and meanwhile, the clamping plate 64 is adsorbed to the inside of the sliding ring 66 by the magnetic field and fine tuning processing of the focal length is realized under the action of the magnetic ring 67.
Finally, it should be noted that: 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 utility model, the scope of which is defined in the appended claims and their equivalents.
Claims (9)
1. A laser beam expanding lens barrel capable of freely stretching and zooming comprises a lens barrel (1), and is characterized in that: the side wall of the lens barrel (1) is rotatably provided with a rotating ring (4), a telescopic pipe (2) is arranged in the lens barrel (1), the side wall of the telescopic pipe (2) is fixedly provided with a plurality of inclined openings (21), the inner wall of the rotating ring (4) is fixedly connected with a retaining column (41), and the inclined openings (21) are matched with the retaining column (41);
the inner wall of the telescopic pipe (2) is fixedly connected with a micro-motion assembly (6), the micro-motion assembly (6) comprises a fixing ring (68), the front end and the rear end of the fixing ring (68) are fixedly connected with magnetic rings (67), a sliding ring (66) is arranged in the fixing ring (68) in a sliding mode, a coil (63) is fixedly connected in the sliding ring (66), and the inner wall of the sliding ring (66) is fixedly connected with a lens (62);
the inside of sliding ring (66) is provided with a plurality of cardboard (64), one side of cardboard (64) is provided with elastic component (69), sliding ring (66) extend out to the opposite side of cardboard (64), the inner wall of fixed ring (68) is provided with a plurality of draw-in grooves (681), draw-in groove (681) and cardboard (64) cooperation.
2. The freely retractable and zoomable laser beam expanding lens barrel according to claim 1, wherein: the side wall of the lens cone (1) is fixedly connected with two limiting rings (3), and the rotating ring (4) is located between the two limiting rings (3).
3. The freely retractable and zoomable laser beam expanding lens barrel according to claim 2, wherein: one side fixedly connected with casing (5) of spacing collar (3), the inside of casing (5) is provided with driving motor (7), the lateral wall fixedly connected with gear (8) of driving motor (7), the lateral wall of swivel becket (4) is provided with the teeth of a cogwheel, gear (8) and the meshing of the teeth of a cogwheel.
4. The freely retractable and zoomable laser beam expanding lens barrel according to claim 3, wherein: the two ends of the driving motor (7) are provided with motor shafts in an extending mode, and the motor shafts are fixedly connected with the inside of the shell (5).
5. The freely retractable and zoomable laser beam expanding lens barrel according to claim 1, wherein: the side wall of the lens barrel (1) is provided with a plurality of first openings (11) at equal angles, and the stop column (41) penetrates through the first openings (11).
6. The freely retractable and zoomable laser beam expanding lens barrel according to claim 1, wherein: an armature ring (65) is arranged on the outer side of the coil (63), and one side of the elastic piece (69) acts on the armature ring (65).
7. The freely retractable and zoomable laser beam expanding lens barrel according to claim 1, wherein: the side wall of the sliding ring (66) is provided with a plurality of second openings (661), and the clamping plate (64) extends out of the second openings (661).
8. The freely retractable and zoomable laser beam expanding lens barrel according to claim 1, wherein: the lateral wall fixedly connected with lug (662) of sliding ring (66), the inner wall of solid fixed ring (68) is provided with spout (682), spout (682) and lug (662) sliding fit.
9. The freely retractable and zoomable laser beam expanding lens barrel according to claim 1, wherein: one end of the sliding ring (66) is fixedly connected with a sealing ring (61).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123060906.7U CN216286018U (en) | 2021-12-07 | 2021-12-07 | Laser beam expanding lens barrel capable of freely stretching and zooming |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123060906.7U CN216286018U (en) | 2021-12-07 | 2021-12-07 | Laser beam expanding lens barrel capable of freely stretching and zooming |
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| Publication Number | Publication Date |
|---|---|
| CN216286018U true CN216286018U (en) | 2022-04-12 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202123060906.7U Active CN216286018U (en) | 2021-12-07 | 2021-12-07 | Laser beam expanding lens barrel capable of freely stretching and zooming |
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| Country | Link |
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| CN (1) | CN216286018U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115663570A (en) * | 2022-12-14 | 2023-01-31 | 成都量芯集成科技有限公司 | Laser spot distribution adjusting structure and method |
-
2021
- 2021-12-07 CN CN202123060906.7U patent/CN216286018U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115663570A (en) * | 2022-12-14 | 2023-01-31 | 成都量芯集成科技有限公司 | Laser spot distribution adjusting structure and method |
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| GR01 | Patent grant | ||
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| TR01 | Transfer of patent right |
Effective date of registration: 20240929 Address after: No. 15 Bingmasi Hutong, Xicheng District, Beijing 100032 Patentee after: Hu Daiyue Country or region after: China Patentee after: Yang Xuan Address before: 226500 No. 55, Xinmin Road, Rucheng street, Nantong City, Jiangsu Province Patentee before: Rugao Haipeng Optical Technology Co.,Ltd. Country or region before: China |
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| TR01 | Transfer of patent right |
Effective date of registration: 20241016 Address after: Room S40402, 4th Floor, Building 11, Courtyard 2, Sanyi Temple, Haidian District, Beijing 100080 Patentee after: Beijing Shansuo Technology Co.,Ltd. Country or region after: China Address before: No. 15 Bingmasi Hutong, Xicheng District, Beijing 100032 Patentee before: Hu Daiyue Country or region before: China Patentee before: Yang Xuan |