CN2156764Y - Health writing mirror - Google Patents
Health writing mirror Download PDFInfo
- Publication number
- CN2156764Y CN2156764Y CN 92240811 CN92240811U CN2156764Y CN 2156764 Y CN2156764 Y CN 2156764Y CN 92240811 CN92240811 CN 92240811 CN 92240811 U CN92240811 U CN 92240811U CN 2156764 Y CN2156764 Y CN 2156764Y
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- CN
- China
- Prior art keywords
- mirror
- writing
- health
- health care
- utility
- 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.)
- Expired - Fee Related
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Abstract
The utility model relates to an optical health care appliance in the process of writing. The external shape of a health writing mirror is a casing frame, and the upper and lower sides of the inner side are respectively provided with an ophthalmic lens 1 and an ophthalmic lens 2. When the mirror is used, writers make bodies vertical, and keep the favorable posture that eyes naturally look horizontally. With a proper bracket, the mirror is positioned at the front of eyes, and the sight line is bent downwards to objects which are sawn through the secondary reflection of two ophthalmic lenses; the utility model prevents the body and the back from bending and achieves the health care purpose. The mirror is suitable for students and pupils during the development period and is used for cultivating the correct writing posture, correcting bad habit, protecting the vision, preventing the hunchback, etc.
Description
The utility model relates to a kind of optics healthy tool that is used for writing process.
Writing process exists being discord of sitting posture and visual angle, and this makes writes for a long time and can cause damage to Writer's health.To write at first and must see, to be looked thing in order seeing, the writer can't keep good sitting posture and visual angle simultaneously.If keep good sitting posture, will make and look under the eyeball eyeball; If instead keep good visual angle, then must make under the back curved.These two kinds of postures all constitute the infringement to health, can cause the curved damage of poor sight and back.The at present sitting posture that all can not resolve of existing special-purpose seat that designs at the bad writing posture of children and the various vision protectors that design for vision protection and the good intrinsic defective of this writing process of visual angle objectionable intermingling.
The purpose of this utility model provides a kind of health care writing appliance that can make the writer adopt desirable sitting posture and visual angle to write simultaneously.As shown in Figure 1, desirable sitting posture should be to keep vertical above the waist, and this moment, best line-of-sight was positioned at following about 15 ° of horizontal line, can not see that the quilt on the writing desk is looked thing, thereby can't write.For addressing this problem, the utility model adopts the technology at conversion visual angle, and its thinking is to wear a kind of device in the eyes front, is bent to downwards after making sight line by the effect of this device and is looked thing (shown in Fig. 1 dotted line), thereby realize writing, reach the purpose of health care with desirable posture.
Below in conjunction with Fig. 2 health care writing mirror structural principle and using method are described.
The profile of health care writing mirror is a case frame, and side respectively is equipped with a plane mirror sheet up and down within it, is called eyeglass 1 and eyeglass 2.The position of eyeglass relation is according to sight line and to be looked the requirement and the reflection of light principle of thing definite.Sight line is at first injected eyeglass 1, is reflected to eyeglass 2, is reflexed to by eyeglass 2 and is looked thing.Sight line realizes being bent to downwards being looked thing behind the secondary reflection of two eyeglasses.Case frame can link to each other with a carriage by articulating device, hangs over forehead, and the mirror body is near eyes but do not contact face, and the time spent puts down, and temporarily need not roll up, and the benefit of doing like this is convenient and does not oppress face.
When using this mirror, need only be vertical above the waist, eyes are looked squarely naturally, just can be clear that the thing (for example homework book) that will write.On probation through manufacturing, effect is fine, and FOV is 15 centimetres of Ke Da up and down, about 40 centimetres.Another additional effect of using this mirror is to prolong sighting distance.As can be seen from Figure 2, sight line is the length lengthening after eyeglass comes back reflective, and this feature is useful for protection pupil's eyesight.
Claims (1)
- A kind of health care writing mirror that is used for writing process is characterized in that having a case frame, at the case frame inwall eyeglass 1 and eyeglass 2 is housed up and down, and case frame links to each other with a carriage.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 92240811 CN2156764Y (en) | 1992-11-19 | 1992-11-19 | Health writing mirror |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 92240811 CN2156764Y (en) | 1992-11-19 | 1992-11-19 | Health writing mirror |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2156764Y true CN2156764Y (en) | 1994-02-23 |
Family
ID=33781062
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 92240811 Expired - Fee Related CN2156764Y (en) | 1992-11-19 | 1992-11-19 | Health writing mirror |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2156764Y (en) |
-
1992
- 1992-11-19 CN CN 92240811 patent/CN2156764Y/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 | ||
| C19 | Lapse of patent right due to non-payment of the annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |