CN202771113U - Close-range three-dimensional protective spectacles - Google Patents
Close-range three-dimensional protective spectacles Download PDFInfo
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- CN202771113U CN202771113U CN 201220412035 CN201220412035U CN202771113U CN 202771113 U CN202771113 U CN 202771113U CN 201220412035 CN201220412035 CN 201220412035 CN 201220412035 U CN201220412035 U CN 201220412035U CN 202771113 U CN202771113 U CN 202771113U
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- protective spectacles
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Abstract
The utility model relates to a pair of close-range three-dimensional protective spectacles and belongs to the field of spectacle manufacturing. The pair of close-range three-dimensional protective spectacles comprises lenses and spectacle frames, the lenses are plane prism lenses or arc prim lenses, the thickness of edge a of a transverse section of each lenses is smaller than that of edge b of the transverse section of each lenses, when the lenses are the plane prism lenses, edge c and edge d of each lenses are straight lines, and when the lenses are arc prim lenses, the edge c and the edge d of each lenses are arc lines. According to the pair of close-range three-dimensional protective spectacles, by means of a principle that the triple prim can refract light, vision focal length can be adjusted, the vision angle can be changed, the close-range watching is equivalent to far sighting of an object, during long-term close-range watching, the eyes can be protected from being hurt, and the eye using is safe and comfortable; the protective spectacles are suitable for myopia and common population, and particularly the protective spectacles can be worn by youngsters during activities of computer operation, reading, writing and the like; the problems that prior spectacles merely can adjust vision focal length, the vision angle can not be adjusted, and the eyes can not be exercised and protected are solved; and the manufacturing is simple, the cost is low, the eye protection effect is good, and the usage is safe and reliable.
Description
Technical field
The utility model relates to the three-dimensional protective spectacles of a kind of low coverage, belongs to glasses manufacturing technology field.
Background technology
Reading and writing, operating computer, check mobile phone, play online game, see the network novel, online working etc. all must closely watch with eyes, the time has been grown, and can cause very large harm to eyes.Particularly for being in still unshaped students in middle and primary schools of the period eyes of growing, it is serious especially to the infringement of eyes to read a book for a long time, do one's assignment or surf the Net, and the bathomorphic situation occurred frequently of students in middle and primary schools is exactly an illustration gloomy at present.Blurring of vision must be worn glasses after eyes damaged, that spectacles or reading glasses all can only be regulated and look the thing focal length at present, can not adjust and look the object angle degree, and all be after eyes go wrong, just to wear targetedly, in addition, watch the plane photo all can not present stereoscopic sensation by existing glasses, lack amusement function.Therefore; develop a be fit to myopia and general population; especially the teenager wears when closely movable such as computation, reading and writing, object for appreciation online game etc. carrying out, and protection eyes Novel eye protection mirror injury-free, that have certain amusement function is very necessary.
Summary of the invention
The purpose of this utility model is that it is prismatic glasses that a kind of eyeglass is provided, and has to adjust to look the thing focal length, can change again and look the object angle degree, realizes closely far seeing object, and the protection eyes are closely watched injury-free for a long time, and are safe, comfortable with eye; Laterally natural deflection of eyeball can be impelled when far seeing object, stereoscopic sensation true to nature can be presented when watching the plane photo; The existing eyeglass of solution can only be regulated and look the thing focal length, can not regulate and look the object angle degree, can not temper, protect the three-dimensional protective spectacles of low coverage of eyes problem.
The utility model is to realize by the following technical solutions above-mentioned purpose:
The three-dimensional protective spectacles of this low coverage is made of eyeglass and picture frame, and it is characterized in that: described eyeglass is plane prismatic glasses or cambered surface prismatic glasses, and a limit thickness of eyeglass xsect is less than b limit thickness; When described eyeglass was the plane prismatic glasses, c limit and d limit were straight line; When described eyeglass was the cambered surface prismatic glasses, c limit and d limit were camber line.
The utility model beneficial effect compared with prior art is:
The three-dimensional protective spectacles of this low coverage utilizes prism that the refraction principle of light is reached to adjust and looks the thing focal length, can change the purpose of looking the object angle degree again, realize closely watching being equivalent to far see object, it is injury-free to protect eyes closely to watch for a long time, safe, comfortable with eye; The three-dimensional protective spectacles of this low coverage can impel laterally natural deflection of eyeball when far seeing object, plays the effect of exercise, protection eyes.Having solved existing glasses can only regulate and look the thing focal length and can not regulate the problem of looking the object angle degree, can not temper, protect eyes.The three-dimensional protective spectacles of this low coverage is fit to wear when myopia or general population, particularly teenager often carry out the activity such as computation, online working, reading and writing, object for appreciation online game.The three-dimensional protective spectacles of this low coverage is made simple, and cheap, it is effective to protect order, safe and reliable.
Description of drawings
Fig. 1 is the structural representation of the three-dimensional protective spectacles of low coverage;
Fig. 2 is that the eyeglass of the three-dimensional protective spectacles of low coverage is the A-A cross-sectional view of plane prismatic glasses;
Fig. 3 is that the eyeglass of the three-dimensional protective spectacles of low coverage is the A-A cross-sectional view of cambered surface prismatic glasses;
Fig. 4 is that the eyeglass of the three-dimensional protective spectacles of low coverage is that the b limit of plane prismatic glasses is in the cross-sectional view in the picture frame outside;
Fig. 5 is that the eyeglass of the three-dimensional protective spectacles of low coverage is that the b limit of cambered surface prismatic glasses is in the cross-sectional view in the picture frame outside.
Among the figure: 1, eyeglass, 2, picture frame, 3, the plane prismatic glasses, 4, the cambered surface prismatic glasses.
Embodiment
The three-dimensional protective spectacles of this low coverage is made of the installation form of eyeglass 1 and picture frame 2 the same with common spectacles (referring to accompanying drawing 1) eyeglass 1 and picture frame 2.The characteristics of the three-dimensional protective spectacles of this low coverage are that described eyeglass 1 is the structure of plane prismatic glasses 3 or the structure of cambered surface prismatic glasses 4, and from the xsect of eyeglass 1, the thickness of its dual-side is unequal, and namely the thickness on a limit is less than the thickness on b limit.When described eyeglass was plane prismatic glasses structure, c limit and d limit were straight line (referring to accompanying drawing 2).When described eyeglass was cambered surface prismatic glasses structure, c limit and d limit were camber line (referring to accompanying drawing 3).
When the three-dimensional protective spectacles of this low coverage is specifically made, thicker be that the thickness on b limit is 10mm ± 2mm, and meanwhile thinner be that the thickness on a limit is 2 mm ± 1mm.When low coverage was watched, the b limit of described plane prismatic glasses 3 or cambered surface prismatic glasses 4 was installed in the inboard of picture frame 2 (referring to accompanying drawing 2,3), and namely the corresponding picture frame 2 that is installed in the b limit (webbing) of two eyeglasses 1 is near the inboard of nose clip.The refraction of this moment by 1 pair of object of eyeglass looked squarely eyes to reach the effect of long sight, also has the sensation that object is exaggerated; Simultaneously, need not two and turn to the inside, so so that object is very little with two angle, also do not tire out with eye for a long time.In addition, when watching than far object, the purpose of laterally natural deflection of eyeball being reached temper eyes, protecting eyes.
When watching photo to present stereoscopic sensation, the b limit of described plane prismatic glasses 3 or cambered surface prismatic glasses 4 is installed in the outside of picture frame 2 (referring to accompanying drawing 4,5), and namely the b limit (webbing) of two eyeglasses 1 is installed in the outside away from nose clip of picture frame 2.What this moment, eyes were seen is two width of cloth images, overlaps in order to make two figure, and eyes naturally deflection are regulated until present piece image.Like this, no matter low coverage or long distance are watched, and all reached protection, have tempered the purpose of eyes.
In order to make the photo of watching present stereoscopic sensation, during photograph taking, available ordinary camera is clapped first once, horizontal shifting is taken once after taking equipment more again, from different perspectives physical object is taken two photos, photo with two different angles is arranged side by side again, oneself width between surpassing two of its width, two eyeglasses 1 by the three-dimensional protective spectacles of this low coverage inwardly reflect, it is square at the moment that two photos are reflected respectively two, be equivalent to two and easily adjust angle and focal length, two photos are overlapped and the generation stereoscopic sensation, just can see stereoscopic photograph true to nature.Also this photo can be input to and watch stereoeffect on the computer.
The above is the embodiment of this utility model, above-mentioned not illustrating is construed as limiting flesh and blood of the present utility model, the person of an ordinary skill in the technical field can make an amendment or is out of shape above-mentioned embodiment after having read this instructions, and does not deviate from essence of the present utility model and scope.
Claims (1)
1. the three-dimensional protective spectacles of a low coverage, it is by eyeglass (1) and picture frame (2) formation, and it is characterized in that: described eyeglass (1) is plane prismatic glasses (3) or cambered surface prismatic glasses (4), and a limit thickness of eyeglass xsect is less than b limit thickness; When described eyeglass was plane prismatic glasses (3), c limit and d limit were straight line; When described eyeglass was cambered surface prismatic glasses (4), c limit and d limit were camber line.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220412035 CN202771113U (en) | 2012-08-20 | 2012-08-20 | Close-range three-dimensional protective spectacles |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220412035 CN202771113U (en) | 2012-08-20 | 2012-08-20 | Close-range three-dimensional protective spectacles |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202771113U true CN202771113U (en) | 2013-03-06 |
Family
ID=47777676
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220412035 Expired - Fee Related CN202771113U (en) | 2012-08-20 | 2012-08-20 | Close-range three-dimensional protective spectacles |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202771113U (en) |
-
2012
- 2012-08-20 CN CN 201220412035 patent/CN202771113U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20130306 Termination date: 20130820 |