CN220289982U - Photochromic spectacle lens - Google Patents
Photochromic spectacle lens Download PDFInfo
- Publication number
- CN220289982U CN220289982U CN202321489724.8U CN202321489724U CN220289982U CN 220289982 U CN220289982 U CN 220289982U CN 202321489724 U CN202321489724 U CN 202321489724U CN 220289982 U CN220289982 U CN 220289982U
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- Prior art keywords
- optical filter
- lens
- resistant
- main body
- groove
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- 230000003287 optical effect Effects 0.000 claims abstract description 49
- 230000003678 scratch resistant effect Effects 0.000 claims abstract description 19
- 230000001681 protective effect Effects 0.000 claims abstract description 11
- 238000005299 abrasion Methods 0.000 claims abstract description 9
- 238000009434 installation Methods 0.000 claims description 5
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims description 4
- 239000011248 coating agent Substances 0.000 claims description 4
- 238000000576 coating method Methods 0.000 claims description 4
- 229910052814 silicon oxide Inorganic materials 0.000 claims description 4
- 230000000694 effects Effects 0.000 abstract description 7
- 230000006866 deterioration Effects 0.000 description 4
- 238000000034 method Methods 0.000 description 4
- 230000009471 action Effects 0.000 description 3
- 238000013016 damping Methods 0.000 description 2
- 230000001771 impaired effect Effects 0.000 description 2
- 230000035699 permeability Effects 0.000 description 2
- 231100000760 phototoxic Toxicity 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 210000001525 retina Anatomy 0.000 description 2
- 238000001228 spectrum Methods 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
- 230000015556 catabolic process Effects 0.000 description 1
- 238000006731 degradation reaction Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 239000000758 substrate Substances 0.000 description 1
Landscapes
- Optical Filters (AREA)
Abstract
The utility model relates to the technical field of spectacle lenses, in particular to a photochromic spectacle lens which comprises a lens main body, wherein a lens outer frame is arranged on the outer side of the lens main body, a light filter is arranged in the lens main body, a threaded pin is arranged on the light filter, an abrasion-resistant and scratch-resistant layer is arranged on the upper end face of the light filter, a mounting groove is formed in the lens outer frame, a threaded groove is formed in the mounting groove, and the light filter is inserted into the mounting groove. The anti-wear scratch-resistant protective effect on the whole surface of the optical filter is achieved, the anti-wear scratch-resistant performance of the surface of the optical filter on the lens main body is improved, and then the use effect of normal photochromism of the optical filter is guaranteed.
Description
Technical Field
The utility model relates to the technical field of spectacle lenses, in particular to a photochromic spectacle lens.
Background
The light visible to the human eye extends over a spectrum extending in wavelength from 380nm to 780nm or thereabout, that portion of this spectrum lying between about 380nm and 500nm substantially corresponding to high energy blue light.
Research has shown that blue light has a phototoxic effect on the eyes, and particularly on the retina, when people have impaired vision, and thus it may be recommended for people with impaired vision to wear an ophthalmic lens that prevents or limits phototoxic blue light from transmitting as far as the retina.
For example, in publication number CN104704420a, a photochromic ophthalmic lens is described, which comprises a photochromic substrate and a filter comprising one or more layers formed on the main front face of the ophthalmic lens, the filter having a total thickness of 700nm or less.
At present, the existing photochromic spectacle lenses are easy to wear and scratch due to the fact that the optical filters are arranged on the outer layer end face of the lens main body, after the photochromic spectacle lenses are used for a long time, the wear resistance and scratch resistance of the optical filter surfaces on the lens main body are reduced, in addition, different matched optical filters are required to be replaced along with vision degradation of people, however, most of the existing photochromic spectacle lenses are inconvenient to replace.
The above problems are widespread and improvements are urgently needed.
Disclosure of Invention
The utility model aims to provide a photochromic spectacle lens, which solves the problems of lower wear resistance and scratch resistance of the surface of an optical filter on a lens main body and lower convenience in replacing the optical filter on the lens main body in the prior art.
In order to achieve the above purpose, the present utility model provides the following technical solutions: the photochromic spectacle lens comprises a lens main body, wherein a lens outer frame is arranged on the outer side of the lens main body, an optical filter is arranged in the lens main body, and a threaded pin is arranged on the optical filter.
Preferably, the upper end surface of the optical filter is provided with an abrasion-resistant and scratch-resistant layer, the abrasion-resistant and scratch-resistant layer is of a silicon oxide coating structure, and has excellent abrasion-resistant and scratch-resistant performances, and the optical filter has high permeability, and does not influence the use effect of normal photochromism of the optical filter.
Preferably, the lens frame is provided with a mounting groove, a spiral groove is formed in the mounting groove, the optical filter is inserted into the mounting groove, the outer side of the optical filter is provided with an inner protective frame, and the matched optical filter can be conveniently replaced according to different requirements of people on vision deterioration.
Preferably, the threaded pin column and the threaded groove are in one group, and are in two groups which are symmetrical left and right, so that the installation overall stability of the optical filter with the inner protective frame is improved.
Preferably, the threaded pin column is provided with a cross groove, and the threaded pin column penetrates through the inner protection frame and is in threaded connection with the threaded groove.
Preferably, the stud is not higher than the inner protective frame, so that the stud after the locking of the threads is prevented from protruding to influence the overall aesthetic property.
Preferably, the inner protection frame is of a TPE frame body structure, and when the inner protection frame is installed, a hand can directly hold the TPE frame body structure, so that the optical filter is prevented from being directly touched.
Compared with the prior art, the utility model has the beneficial effects that:
1. according to the utility model, through the structure of the wear-resistant and scratch-resistant layer arranged on the surface of the optical filter, the whole wear-resistant and scratch-resistant protection effect on the surface of the optical filter is realized, the wear-resistant and scratch-resistant performance of the surface of the optical filter on the lens main body is improved, and the use effect of normal photochromism of the optical filter is further ensured.
2. According to the utility model, the lens outer frame with the mounting groove and the screw groove is arranged on the outer side of the lens main body, the inner protective frame is arranged on the outer side of the optical filter, and then the screw pin structure with the cross groove is inserted on the inner protective frame, so that the matched optical filter can be replaced conveniently according to different requirements of people on vision deterioration, and the convenience in replacing the optical filter on the lens main body is improved.
Drawings
FIG. 1 is a perspective view of a lens body and an optical filter of the present utility model in an uninstalled state;
FIG. 2 is a perspective view of the lens body and filter of the present utility model in an installed state;
FIG. 3 is a schematic diagram of the front perspective view of FIG. 2 in accordance with the present utility model;
FIG. 4 is a partial cross-sectional view of the utility model at A in FIG. 3;
fig. 5 is an enlarged view of fig. 2B in accordance with the present utility model.
In the figure: 1 lens main body, 2 lens outer frame, 3 mounting groove, 31 spiral groove, 4 light filter, 5 antifriction and scratch-resistant layer, 6 inner protection frame, 7 spiral pin column, 71 cross recess.
Detailed Description
The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
Example 1
Referring to fig. 1 to 5, a photochromic spectacle lens in the drawings includes a lens body 1, a lens frame 2 disposed outside the lens body 1, a light filter 4 disposed in the lens body 1, and a threaded pin 7 disposed on the light filter 4.
The upper end face of the optical filter 4 is provided with an abrasion-resistant and scratch-resistant layer 5, the abrasion-resistant and scratch-resistant layer 5 is of a silicon oxide coating structure, and the silicon oxide coating structure has excellent abrasion-resistant and scratch-resistant performances and high permeability of a body, and does not influence the use effect of normal photochromism of the optical filter 4.
The lens frame 2 is provided with the mounting groove 3, the mounting groove 3 is internally provided with the spiral groove 31, the optical filter 4 is inserted into the mounting groove 3, the outer side of the optical filter 4 is provided with the inner protective frame 6, the matched optical filter 4 can be conveniently replaced according to different requirements of people on vision deterioration, and the convenience in replacing the optical filter 4 on the lens main body 1 is improved.
The stud 7 and the groove 31 are a group, and are two groups which are symmetrical left and right, so that the installation overall stability of the optical filter 4 with the inner protective frame 6 is improved.
The cross groove 71 is formed in the threaded pin 7, the threaded pin 7 penetrates through the inner protection frame 6 and is in threaded connection with the threaded groove 31, and the threaded pin 7 is rotated and detached through a cross screwdriver, so that convenience is brought.
The stud 7 is not higher than the inner protective frame 6, so that the stud 7 after the locking of the threads is prevented from protruding to influence the overall aesthetic property.
The inner protection frame 6 is of a TPE frame body structure, the TPE frame body structure has certain damping elasticity, damping stability when the optical filter 4 with the inner protection frame 6 is extruded and clamped into the mounting groove 3 is improved, and meanwhile, the TPE frame body structure can be directly held by hands during mounting, so that the optical filter 4 is prevented from being directly touched.
When used in this embodiment: the structure of the wear-resistant and scratch-resistant layer 5 arranged on the surface of the optical filter 4 has excellent wear-resistant and scratch-resistant performances, so that the integral wear-resistant and scratch-resistant protective effect on the surface of the optical filter 4 is realized, the wear-resistant and scratch-resistant performances of the surface of the optical filter 4 on the lens main body 1 are improved, and the use effect of normal photochromism of the optical filter 4 is further ensured.
In addition, the cross groove 71 is inserted by a cross screwdriver, then the cross screwdriver rotates anticlockwise, the stud 7 is driven to rotate anticlockwise, the stud 7 is driven to withdraw from the screw groove 31 by screw transmission, the current optical filter 4 is taken out from the mounting groove 3, the proper optical filter 4 is extruded and inserted into the mounting groove 3, and finally the stud 7 is locked by clockwise rotation of the screwdriver
The operation can conveniently replace the matched optical filter 4 according to different requirements of people on vision deterioration, and the convenient replacement of the optical filter 4 on the lens main body 1 is improved.
It is noted that relational terms such as first and second, and the like are used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Moreover, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.
Although embodiments of the present utility model have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein 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 (6)
1. A photochromic ophthalmic lens comprising:
the novel optical filter comprises a lens main body (1), wherein a lens outer frame (2) is arranged on the outer side of the lens main body (1), an optical filter (4) is arranged in the lens main body (1), a threaded pin (7) is arranged on the optical filter (4), an installation groove (3) is formed in the lens outer frame (2), a threaded groove (31) is formed in the installation groove (3), the optical filter (4) is inserted into the installation groove (3), and an inner protection frame (6) is arranged on the outer side of the optical filter (4).
2. A photochromic ophthalmic lens according to claim 1 wherein: the upper end face of the optical filter (4) is provided with an abrasion-resistant and scratch-resistant layer (5), and the abrasion-resistant and scratch-resistant layer (5) is of a silicon oxide coating structure.
3. A photochromic ophthalmic lens according to claim 1 wherein: the screw pin (7) and the screw groove (31) are a group, and the total number of the screw pin and the screw groove is two groups which are symmetrical left and right.
4. A photochromic ophthalmic lens according to claim 1 wherein: the screw pin (7) is provided with a cross groove (71), and the screw pin (7) penetrates through the inner protection frame (6) and is in threaded connection with the screw groove (31).
5. A photochromic ophthalmic lens according to claim 1 wherein: the screw pin (7) is not higher than the inner protective frame (6).
6. A photochromic ophthalmic lens according to claim 1 wherein: the inner protection frame (6) is of a TPE frame body structure.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321489724.8U CN220289982U (en) | 2023-06-12 | 2023-06-12 | Photochromic spectacle lens |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321489724.8U CN220289982U (en) | 2023-06-12 | 2023-06-12 | Photochromic spectacle lens |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220289982U true CN220289982U (en) | 2024-01-02 |
Family
ID=89340306
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321489724.8U Active CN220289982U (en) | 2023-06-12 | 2023-06-12 | Photochromic spectacle lens |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220289982U (en) |
-
2023
- 2023-06-12 CN CN202321489724.8U patent/CN220289982U/en active Active
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