CN2917398Y - Folding adjustable vision-protecting support - Google Patents
Folding adjustable vision-protecting support Download PDFInfo
- Publication number
- CN2917398Y CN2917398Y CN 200620032236 CN200620032236U CN2917398Y CN 2917398 Y CN2917398 Y CN 2917398Y CN 200620032236 CN200620032236 CN 200620032236 CN 200620032236 U CN200620032236 U CN 200620032236U CN 2917398 Y CN2917398 Y CN 2917398Y
- Authority
- CN
- China
- Prior art keywords
- height
- bar
- telescopic adjustment
- cross bar
- adjustment bar
- 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 discloses a folding adjustable eyesight protection frame which comprises a writing board, a groove card, a height expansion adjusting bar, a height adjusting screw, a back and forth expansion adjusting bar, a back and forth adjusting screw, an eyesight protection cross bar, and a fixing axis. The utility model is characterized in that the two ends of the writing board are respectively fixed a height expansion adjusting bar whose top is fixed the back and forth expansion adjusting bar. The front ends of the two back and forth expansion adjusting bars are connected through one eyesight protection cross bar whose middle is arranged with a forehead back cushion to prevent the head from bending down and the eyes from pitching, thereby keeping certain distance from the eyes and books. The utility model has the advantages of being comfortable for use, convenient for adjustment, safe and reliable.
Description
Technical field:
The utility model relates to a kind of foldable adjustable sight protectio frame that can prevent myopia of student.
Background technology:
When the student writes in study, need to keep eyes to the certain distance of books, yet many students note inadequately.According to statistics, many myopia are because sitting posture of student is incorrect, and the eye distance books are nearer when writing causes in study.In order to prevent nearer, the present vision protector of student's eye distance books, all be in student's desk forward position, block a T-shape bib thing, purpose is that bib student chest does not lean forward, thus the prevention head is not curved down, prevents hypometropia.Because the bib thing is to block its support bar of student's chest to prop up student's neck, and is curved but head still can descend, directly the distance of standard eyes and books; Support bar props up at neck on the other hand, makes lower jaw that the tenderness sense be arranged, and the reading of writing is also convenient inadequately.
The utility model content:
The purpose of this utility model provides a kind of comfortable, easy to adjust, safe and reliable foldable adjustable sight protectio frame that uses.
To achieve these goals, the utility model comprises: board, flute profile card, height telescopic adjustment bar, height set screw, elastic adjusting rod, front and back set screw, protect and look cross bar, fixed axis, it is to be fixed with height telescopic adjustment bar respectively at the two ends of board, top at height telescopic adjustment bar is set with elastic adjusting rod, connect one at the front end of two elastic adjusting rods and protected and look cross bar, be provided with a forehead back cushion protecting the medium position of looking cross bar.
Like this, when the student in when study, according to the height and the longitudinal separation of head, can regulate height telescopic adjustment bar, elastic adjusting rod easily and make to protect and look cross bar and the forehead back cushion is positioned at student's forehead position, thereby guarantee when writing, head and eyes can not lean forward down curved, make eyes and books keep certain distance, prevent myopia, on the other hand, when the student feels fatigue, can also lean against forehead on the forehead back cushion and take a break; When not in use, can be put into the board both sides to height telescopic adjustment bar, the folding contraction of elastic adjusting rod, not influence the space, have the characteristics such as comfortable, easy to adjust, safe and reliable of using.
Description of drawings:
Below in conjunction with accompanying drawing the utility model is described in further detail.
Fig. 1 is a structural representation of the present utility model.
The specific embodiment:
As shown in Figure 1, the utility model comprises: board 1, flute profile card 3, height telescopic adjustment bar 4, height set screw 5, elastic adjusting rod 6, front and back set screw 7, protect and look cross bar 9, fixed axis 12.At first utilize fixedly flute profile card 3 of screw 2 at the two ends of board 1, on flute profile card 3, utilize fixed axis 12 to be fixed with height telescopic adjustment bar 4 respectively, using fixed axis 12 can make height telescopic adjustment bar 4 hold up or put down, the high and low position of height telescopic adjustment bar 4 can be regulated fixing by height set screw 5.Be set with elastic adjusting rod 6 at the top of height telescopic adjustment bar 4, the front and back position of elastic adjusting rod 6 can be regulated fixing by front and back set screw 7.Connected one at the front end of two elastic adjusting rods 6 and protected and look cross bar 9, be provided with a forehead back cushion 8 protecting the medium position of looking cross bar 9, forehead back cushion 8 can adopt soft material to make, and the student is felt comfortably cool be advisable.Board 1 should have certain gradient, with student's eyes maintenance best angle, is convenient to read and write.Solid and reliable when guaranteeing that height telescopic adjustment bar 4 is holded up, be fixedly welded with positioning cards 11 in the bottom of height telescopic adjustment bar 4, positioning cards 11 is provided with shop bolt 10, and height telescopic adjustment bar 4 is securely fixed on the board 1.
Claims (2)
1; a kind of foldable adjustable sight protectio frame; comprise: board (1); flute profile card (3); height telescopic adjustment bar (4); height set screw (5); elastic adjusting rod (6); front and back set screw (7); protect and look cross bar (9); fixed axis (12); it is characterized in that being fixed with respectively height telescopic adjustment bar (4) at the two ends of board (1); be set with elastic adjusting rod (6) at the top of height telescopic adjustment bar (4); connect one at the front end of two elastic adjusting rods (6) and protected and look cross bar (9), be provided with a forehead back cushion (8) protecting the medium position of looking cross bar (9).
2, foldable adjustable sight protectio frame according to claim 1 is characterized in that the bottom of described height telescopic adjustment bar (4) is fixedly welded with positioning cards (11), and positioning cards (11) is provided with shop bolt (10).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200620032236 CN2917398Y (en) | 2006-06-08 | 2006-06-08 | Folding adjustable vision-protecting support |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200620032236 CN2917398Y (en) | 2006-06-08 | 2006-06-08 | Folding adjustable vision-protecting support |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2917398Y true CN2917398Y (en) | 2007-07-04 |
Family
ID=38215203
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200620032236 Expired - Fee Related CN2917398Y (en) | 2006-06-08 | 2006-06-08 | Folding adjustable vision-protecting support |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2917398Y (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109171218A (en) * | 2018-11-15 | 2019-01-11 | 刘臻 | A kind of high school student's eye-protective desk |
-
2006
- 2006-06-08 CN CN 200620032236 patent/CN2917398Y/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109171218A (en) * | 2018-11-15 | 2019-01-11 | 刘臻 | A kind of high school student's eye-protective desk |
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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: 20070704 |