CN86203995U - I-shape eyesight protective frame - Google Patents
I-shape eyesight protective frame Download PDFInfo
- Publication number
- CN86203995U CN86203995U CN 86203995 CN86203995U CN86203995U CN 86203995 U CN86203995 U CN 86203995U CN 86203995 CN86203995 CN 86203995 CN 86203995 U CN86203995 U CN 86203995U CN 86203995 U CN86203995 U CN 86203995U
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- CN
- China
- Prior art keywords
- pillar
- supporting plate
- base
- protective frame
- shaped
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- 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 - Lifetime
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Abstract
The utility model provides an I-shaped eyesight protective frame which can help a student to control reading and writing posture by himself and prevent myopia, relating to an eyesight protecting appliance. The I-shaped eyesight protective frame is characterized in that the structure of the I-shaped eyesight protective frame is in 'I' shape, the height of the I-shaped eyesight protective frame is adjustable, and the I-shaped eyesight protective frame has certain gradient. Therefore, the I-shaped eyesight protective frame can help the student to control reading and writing posture by himself and can make eyes keep certain distance from the surface of paper in order to achieve the purpose of preventing myopia.
Description
This utility model relates to a kind of sight protectio utensil.
The sight protectio utensil of seeing at present (device), a kind of is " the children ' s vision fender bracket " that has been indicated in the city, and this fender bracket is a garden arc, and two notches are arranged on the plate base, and available bolt is mounted in this plate on the desktop limit.Quite feel inconvenience in actual the use, underaction, and also the masked area of this plate is bigger, hinders the student and reads and writes freely.Two kinds of devices are in Patent Office of the People's Republic of China's application in addition, and notification number is the utility model patent of GG85201088 and GG85200770, and the former is a kind of apparatus that adopts the infrared electro device; The latter is a kind of adjustable height and folding Table for protecting vision, and both costs are all higher, are difficult to promote the use of in the pupil.
The purpose of this utility model be for provide a kind of simple in structure, easy to use, read-write freely, with low cost, be suitable for the vision protection device of pupil's affordability.
This utility model is made of supporting plate, supporting plate seat, pillar and base four parts.Between supporting plate and the supporting plate seat, between supporting plate seat and the pillar, be connected with adhesive between pillar and the base, make supporting plate, pillar and base three assembling be " worker " font structure.Its B-C post is axial adjustable structure; be that pillar divides greatly; little two pillars; little pillar is inserted in the big pillar; both fix with holding screw; with these different situations according to the different levels student; regulate the total height of sight protectio frame; its range of accommodation is to make the total height of fender bracket reach 15-23 centimetre to exceed; preferably 20.5 centimetres; so that the distance of eyes and paper is 28～33 centimetres a standard-required; when range of accommodation was zero, then the scalable pillar became the unadjustable pillar of regular length, promptly can be made into " worker " font sight protectio frame of level altitude as requested.It is α that with respect to the horizontal plane there are a gradient, its oblique angle in the baseplane of sight protectio frame base, and α spends preferably 9 degree less than 15.
" worker " font sight protectio frame is placed on the desktop under the nearly chin of student; because this fender bracket adjustable height; then can be fit to the requirement of the different height levels of student; remain in the claimed range with the distance that reaches control eyes and paper; and with respect to the horizontal plane there is certain gradient the baseplane of its base; the relative desktop of fender bracket is slightly tilted, then help student's close fender bracket supporting plate of chin in use, reach the purpose of correcting sitting postures.Because this fender bracket masked area is little, be convenient to student's self observation read-write gesture and other people to correction.This utility model is simple in structure, with low cost, easy to use, and is suitable for pupil's psychological requirement, promotes the use of so be suitable for generally.
Description of drawings: accompanying drawing 1 partly cuts open front view for this utility model, and accompanying drawing 2 is this utility model vertical view, and accompanying drawing 3 is this utility model left side view, and its structural shape is Height Adjustable " worker " font sight protectio frame.
Accompanying drawing 4 is the front view of another embodiment of the present utility model, and its structural shape is highly fixed " worker " font sight protectio frame.
An embodiment of the present utility model as shown in Figure 1, wherein (1) is supporting plate, (2) are the supporting plate seat, (3) are pillar, (3a) is little pillar, (3b) is big pillar, (5) are holding screw, (4) are base.The length of little pillar (3a) is 115 millimeters, and the length of big pillar (3b) is 120 millimeters, and base baseplane oblique angle α with respect to the horizontal plane is 9 degree.Supporting plate (1) is made butterfly-like shape, increase attractive in appearance, to meet pupil's psychological requirement.
Another embodiment of the present utility model is a kind of height shown in the accompanying drawing 4 fixed " worker " font sight protectio frame, and the total height of fender bracket is got 20.5 centimetres, and oblique angle α is 9 degree.
Claims (4)
1, a kind of sight protectio frame that helps oneself's control read-write posture prevention hypometropia; it is made of supporting plate [1], supporting plate seat [2], pillar [3] and base [4]; it is characterized by supporting plate [1], pillar [3] and base [4] three and be " worker " font structure; pillar [3] is made up of big pillar [3b] and little pillar [3a]; both are fixing with holding screw [5], and it is the gradient of α that the relative horizontal plane in baseplane of base [4] has an oblique angle.
2, by the described sight protectio frame of claim 1, it is characterized by said pillar (3) axial adjustment scope and be, make the fender bracket total height reach 15-23 centimetre and exceed, be preferably 20.5 centimetres.
3,, it is characterized by said oblique angle α less than 15 degree, preferably 9 degree by the described sight protectio frame of claim 1.
4, a kind of sight protectio frame that helps oneself's control read-write posture to give anti-hypometropia; it is made of supporting plate (1), supporting plate seat (2), pillar (3) and base (4); it is characterized by gummed connection between supporting plate (1), supporting plate seat (2), pillar (3) and the base (4); supporting plate (1), pillar (3) and base (4) three are " worker " font structure, and be highly fixing.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 86203995 CN86203995U (en) | 1986-08-06 | 1986-08-06 | I-shape eyesight protective frame |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 86203995 CN86203995U (en) | 1986-08-06 | 1986-08-06 | I-shape eyesight protective frame |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN86203995U true CN86203995U (en) | 1987-04-01 |
Family
ID=4807163
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 86203995 Expired - Lifetime CN86203995U (en) | 1986-08-06 | 1986-08-06 | I-shape eyesight protective frame |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN86203995U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104473491A (en) * | 2014-12-31 | 2015-04-01 | 王志成 | Chin support frame |
-
1986
- 1986-08-06 CN CN 86203995 patent/CN86203995U/en not_active Expired - Lifetime
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104473491A (en) * | 2014-12-31 | 2015-04-01 | 王志成 | Chin support frame |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CX01 | Expiry of patent term |