CN2523283Y - Device against myopia - Google Patents
Device against myopia Download PDFInfo
- Publication number
- CN2523283Y CN2523283Y CN 01276427 CN01276427U CN2523283Y CN 2523283 Y CN2523283 Y CN 2523283Y CN 01276427 CN01276427 CN 01276427 CN 01276427 U CN01276427 U CN 01276427U CN 2523283 Y CN2523283 Y CN 2523283Y
- Authority
- CN
- China
- Prior art keywords
- coordinate
- groove
- coordinate regulating
- sunk screw
- 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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- Legs For Furniture In General (AREA)
Abstract
The utility model discloses a myopia prevention device. The utility model is mainly composed of a bearing base and is characterized in that: a coordinate regulating base is tightly fixed on the bearing base, a long groove is opened on the coordinate regulating base, the back surface of which is provided with a convex block, a groove which is matched with the convex block is opened on a coordinate regulating block which is positioned at the back of the convex block, the convex block of the coordinate regulating base is embedded in the groove of the coordinate regulating block, after that, the convex block and the groove are tightly fixed by a sunk screw and a wing nut, a cross slab which is in front of the chest is tightly fixed on the coordinate regulating block by the sunk screw, a fixed board which is in front of a table is further arranged on the bearing base by the sunk screw, the junction of the bottom end of the bearing base and the coordinate regulating base is provided with a through hole, and a tight locking eccentric shaft is tightly fixed by a hexagon nut and a cross handle after penetrating the hole. The utility model has reasonable structure, ingenious concept and can regulate the height according to the heights of the students, which can effectively overcome the shortcomings of complicated structure and inconvenient usage of the traditional products, so the utility model can help the students develop good reading and writing postures, which has great popularization value.
Description
Technical field:
The utility model belongs to the school supply and stationery technical field, the utensil of sitting posture when particularly relating to a kind of student of adjustment and writing.
Background technology:
Most of students often can not adopt correct posture when writing.This can have influence on the health status of its health and eyesight for the primary and secondary students that are in growth and development stage.This becomes the problem of a socialization of numerous parentss of student and teacher's concern already.At present, though the multiple product of correcting student's writing posture that plays is arranged on the market, they can not popularized.Trace it to its cause,, use inconvenience, be not suitable for student's characteristics nothing more than the cost height.
Summary of the invention:
Technical problem to be solved in the utility model provides and a kind ofly can effectively overcome above-mentioned defective, is suitable for the myopia prevention device that the student uses.The technical scheme that its technical problem that solves the utility model adopts is, a kind of myopia prevention device, mainly form by a supporting base, its characteristics are: supporting base tightens an intrinsic coordinate adjustment seat, offer an elongated slot on the coordinate adjustment seat, its back side is provided with a projection, be positioned on the coordinate regulating block thereafter and offer the groove that matches, after the projection of coordinate adjustment seat is embedded in the groove of coordinate regulating block, fastening by sunk screw and wing nut, be fastened with the front transverse slat by sunk screw on the coordinate regulating block, also be fixed with the platform front shoe by sunk screw on the supporting base, the bottom of supporting base and coordinate adjustment seat connecting place offer a perforation, and it is fastening by hex nut and palm grip knob behind the eccentric shaft to pass locking in the hole.Owing to adopt such scheme, be not difficult to draw and the utlity model has following beneficial effect, the utility model is rational in infrastructure, be skillfully constructed, can regulate height according to student's height, overcome the traditional product complex structure effectively, awkward defective, help the student to form the posture of good reading and writing, tool promotional value.
Description of drawings:
Below in conjunction with drawings and Examples the utility model is described in further detail.
Fig. 1 is the structural representation of facing of the present utility model;
Fig. 2 is a side-looking structural representation of the present utility model.
The specific embodiment:
Among the figure, a kind of myopia prevention device, mainly form by a supporting base 5, supporting base 5 tightens an intrinsic coordinate adjustment seat 3, offer an elongated slot on the coordinate adjustment seat 3, its back side is provided with a projection, be positioned on the coordinate regulating block 2 thereafter and offer the groove that matches, after the projection of coordinate adjustment seat 3 is embedded in the groove of coordinate regulating block 2, fastening by sunk screw 9 and wing nut 8, be fastened with front transverse slat 1 by sunk screw 10 on the coordinate regulating block 2, also be fixed with platform front shoe 4 by sunk screw 11 on the supporting base 5, the bottom of supporting base 5 and coordinate adjustment seat 3 connecting places offer a perforation, and it is fastening by hex nut 13 and palm grip knob 12 to pass locking eccentric shaft 6 backs in the hole, wherein, locking eccentric shaft 6 and 5 of supporting bases are lined with shaft filler washer 7.
During use, by platform front shoe and locking eccentric shaft this myopia prevention device is fixed on the table top, if need to regulate height, then can unscrews wing nut, the projection that makes the coordinate adjustment seat moves to and is fit to the position and screws and get final product in the groove of coordinate regulating block.
Claims (1)
1, a kind of myopia prevention device, mainly form by a supporting base, it is characterized in that: supporting base tightens an intrinsic coordinate adjustment seat, offer an elongated slot on the coordinate adjustment seat, its back side is provided with a projection, be positioned on the coordinate regulating block thereafter and offer the groove that matches, after the projection of coordinate adjustment seat is embedded in the groove of coordinate regulating block, fastening by sunk screw and wing nut, be fastened with the front transverse slat by sunk screw on the coordinate regulating block, also be fixed with the platform front shoe by sunk screw on the supporting base, the bottom of supporting base and coordinate adjustment seat connecting place offer a perforation, and it is fastening by hex nut and palm grip knob behind the eccentric shaft to pass locking in the hole.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 01276427 CN2523283Y (en) | 2001-12-30 | 2001-12-30 | Device against myopia |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 01276427 CN2523283Y (en) | 2001-12-30 | 2001-12-30 | Device against myopia |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2523283Y true CN2523283Y (en) | 2002-12-04 |
Family
ID=33680535
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 01276427 Expired - Fee Related CN2523283Y (en) | 2001-12-30 | 2001-12-30 | Device against myopia |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2523283Y (en) |
-
2001
- 2001-12-30 CN CN 01276427 patent/CN2523283Y/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 |