CN201602350U - Myopia-prevention bracket - Google Patents
Myopia-prevention bracket Download PDFInfo
- Publication number
- CN201602350U CN201602350U CN2009202649995U CN200920264999U CN201602350U CN 201602350 U CN201602350 U CN 201602350U CN 2009202649995 U CN2009202649995 U CN 2009202649995U CN 200920264999 U CN200920264999 U CN 200920264999U CN 201602350 U CN201602350 U CN 201602350U
- Authority
- CN
- China
- Prior art keywords
- bracket
- plate
- screw rod
- carriage
- screw
- 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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- Tables And Desks Characterized By Structural Shape (AREA)
Abstract
The utility model relates to a myopia-prevention bracket, which belongs to the sight protection devices. The myopia-prevention bracket adopts the structure that a supporting plate is arranged at the upper end of the bracket; an elongated slot is longitudinally formed on the bracket from the middle to a position near the lower end part; a movable U-shaped trough plate is arranged on one side of the bracket, and a screw hole is formed on the bottom plate of the trough plate; a screw rod with a handle arranged at the outer end thereof is arranged on the other side of the bracket, and the inner end of the screw rod penetrates the elongated slot on the bracket and is connected with the screw hole on the bottom plate of the U-shaped trough plate; and another screw hole is formed on a lateral plate of the U-shaped trough plate, a screw rod is arranged in the screw hole, a handle is arranged at the outer end of the screw rod, and a pressure plate is arranged at the inner end. By adopting the myopia-prevention bracket, when primary and middle school students read books or do homework on desks, a proper distance can be kept between the eyes and the desktop, so that damage to eyesight can be avoided, and the back of a body is prevented from bending deformation.
Description
Technical field
The utility model relates to vision protection device, particularly the myopia prevention carriage.
Background technology
When the student of middle school, primary school read a book at ordinary times and does the homework, eyes often shortened unconsciously to the distance of desktop, sometimes even very low.The time that reading is many or do the homework has been grown, and eyesight just descends at leisure, and the back of health can be crooked.
Summary of the invention
The purpose of this utility model provide a kind of primary and secondary students of preventing on desk, read a book, when doing one's assignment, eyes and desktop can not keep the myopia prevention carriage of myopic-preventing safe distance for a long time.
Technical solution of the present utility model is that the upper end of myopia prevention carriage is provided with supporting plate, is provided with supporting plate in the upper end of carriage, longitudinally is provided with elongated slot on extending near the position of its bottom from the middle part on the carriage; It is movable to be provided with in a side of carriage
The shape frid,
The base plate of shape frid is provided with screw, is provided with the screw rod that its outer end has handle at the opposite side of carriage, the inner of this screw rod pass on the carriage elongated slot and with
Screw on the base plate of shape frid connects;
The side plate of shape frid is provided with screw, is provided with screw rod in this screw, and the outer end of this screw rod is provided with handle, and its inner is provided with pressing plate.
The upper end of above-described supporting plate can be provided with arc groove.
The utility model has the advantages that primary and secondary students are read a book on desk, when doing one's assignment, keep suitable distance between eyes and the desktop,, avoid the flexes distortion of health in order to avoid damage eyesight.
Description of drawings
Fig. 1 is an organigram of the present utility model;
Fig. 2 is a vertical view of the present utility model.
The specific embodiment
As shown in Figure 1 and Figure 2, main body of the present utility model is a carriage 1, is that the arc groove shape is processed in the supporting plate 11 of landscape configuration, the upper end of supporting plate 11 in the upper end of carriage, so that hold people's chin.The position from center section part extends near its bottom at carriage 1 is processed with elongated slot 12.Can be shifted up and down in the installed in front of carriage 1
Shape frid 2, the bottom of frid 2 is processed with screw.Rear side at carriage 1 is equipped with its diameter dimension screw rod 4 more smaller than the width dimensions of elongated slot 12 that its outer end has handle 3, and elongated slot 12 is passed in the inner of screw rod 4, and with carriage 1 front side
Screw on the bottom of shape frid 2 connects.
Be processed with the outer end that screw rod 5, screw rod 5 are installed in screw, this screw on the side plate of shape frid 2 handle 6 is installed, the inner of screw rod 5 is installed with pressing plate 7.
During use, earlier will
Shape frid 2 is sleeved on the end limit of upper cover plate of desk, and rotary handle 6 drives the bottom that screw rod 5 is pressed on pressing plate 7 upper cover plate of desk.Chin and desktop distance is about the reference dimension of 20～40cm during according to student's sitting posture, adjust carriage 1 with
The relative position of shape frid 2 makes the supporting plate 11 of carriage 1 upper end highly be fit to requirement, and rotary handle 3 drives screw rod 4 carriage 1 is fixedly mounted on
On the shape frid 2.
Claims (2)
1. the myopia prevention carriage is characterized in that being provided with carriage, is provided with supporting plate in the upper end of carriage, longitudinally is provided with elongated slot on extending near the position of its bottom from the middle part on the carriage; Side at carriage is provided with movable " Qian " shape frid, on the base plate of " Qian " shape frid, be provided with screw, opposite side at carriage is provided with the screw rod that its outer end has handle, and the inner of this screw rod is passed the elongated slot on the carriage and is connected with screw on the base plate of " Qian " shape frid; Be provided with screw on the side plate of " Qian " shape frid, be provided with screw rod in this screw, the outer end of this screw rod is provided with handle, and its inner is provided with pressing plate.
2. myopia prevention carriage as claimed in claim 1 is characterized in that the upper end of described supporting plate is provided with arc groove.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009202649995U CN201602350U (en) | 2009-12-22 | 2009-12-22 | Myopia-prevention bracket |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009202649995U CN201602350U (en) | 2009-12-22 | 2009-12-22 | Myopia-prevention bracket |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201602350U true CN201602350U (en) | 2010-10-13 |
Family
ID=42947053
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2009202649995U Expired - Fee Related CN201602350U (en) | 2009-12-22 | 2009-12-22 | Myopia-prevention bracket |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201602350U (en) |
-
2009
- 2009-12-22 CN CN2009202649995U patent/CN201602350U/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: 20101013 Termination date: 20111222 |