CN2163746Y - Eyesight-protecting writing rack - Google Patents
Eyesight-protecting writing rack Download PDFInfo
- Publication number
- CN2163746Y CN2163746Y CN 93227471 CN93227471U CN2163746Y CN 2163746 Y CN2163746 Y CN 2163746Y CN 93227471 CN93227471 CN 93227471 CN 93227471 U CN93227471 U CN 93227471U CN 2163746 Y CN2163746 Y CN 2163746Y
- Authority
- CN
- China
- Prior art keywords
- sleeve
- elevating lever
- writing
- support
- threaded hole
- 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
Links
Landscapes
- Drawing Aids And Blackboards (AREA)
Abstract
The utility model discloses an eyesight health care writing frame, which is characterized in that a threaded hole is arranged on the lower end of a supporting frame. A clamping screw is arranged in the threaded hole. A sleeve barrel is connected with the upper end of the supporting frame. A threaded hole is arranged on the wall of the sleeve barrel. A fastening screw is arranged in the threaded hole. A lifting rod is arranged in the sleeve barrel. A jaw-shaped support is arranged on the upper end of the lifting rod. The utility model can adjust height to lead a writing person to form a correct writing posture to prevent myopia.
Description
Eyesight is extremely important to people's all one's life, yet a lot of people are owing to not noticing that at ordinary times sight protection produces myopia, one of them major reason is the fault of writing, particularly teenager, in case form the incorrect appearance of writing, not only influence is physically and mentally healthy, and is difficult to when growing up correct come.Now, some writing racks are arranged also, but these writing rack height fix, can not regulated at will, and the teenager grows up the stage of development just, such writing rack obviously is unsuitable for them.
The purpose of this utility model is to overcome shortcoming of the prior art, provides a kind of and can make people form good writing posture, can regulate the sight protection writing rack of height as required.
The utility model is achieved in that it has a support, and a screwed hole is arranged in the support lower end, and a pinching screw is arranged in the screwed hole; Be connected with a sleeve in the support upper end, a screwed hole is arranged on the sleeve wall, a trip bolt is arranged in the hole, an elevating lever is arranged in sleeve, there is a jaw shape support elevating lever upper end.
The utility model has the advantages that simple in structure, can free adjustment height, effectively prevent myopia, also can effectively correct low myopia in various degree.
Fig. 1 is a front view of the present utility model;
Fig. 2 is the A-A cutaway view of the utility model Fig. 1;
Fig. 3 is the front view of the utility model jaw shape support;
Fig. 4 is the B-B cutaway view of the utility model Fig. 3;
Fig. 5 is the C-C cutaway view of Fig. 1.
Describe in detail below in conjunction with accompanying drawing.
The utility model has a support 1, is processed with a screwed hole in the lower end of support 1, and a pinching screw 6 is arranged in this screwed hole.Upper end at support 1, be fixed with a sleeve 4, an elevating lever that can move up and down in sleeve 5 is arranged in sleeve 4, a jaw shape support 2 that is fixed as one with elevating lever is arranged in elevating lever 5 upper ends, said jaw shape support upper surface has a pit similar to people's lower jaw, connect a foam-rubber cushion 3 in order to make the people feel comfortable, in pit, to stick with glue.For prevent that elevating lever 5 from rotating in sleeve 4, in elevating lever 1 Surface Machining a groove 5A is arranged, the back is located with dog screw 7.A trip bolt 8 also is installed on the wall of sleeve 4, and the effect of trip bolt 8 is after elevating lever 5 is transferred to certain altitude, with its clamping, makes it and can not move up and down freely.
During use, the desk edge is clamped in support 1 lower end, be fixed with pinching screw 6, regulate elevating lever 5 then as required, after reaching proper height, with trip bolt 8 elevating lever is fixed, when writing, lower jaw can be put on the jaw shape support, can guarantee that like this human eye and books remain safe distance, can effectively prevent myopia.
Claims (2)
1, a kind of sight protection writing rack comprises support, it is characterized in that: a screwed hole is arranged in the support lower end, a pinching screw is arranged in the screwed hole; Be connected with a sleeve in the support upper end, a screwed hole is arranged on the sleeve wall, individual trip bolt is arranged in the hole; An elevating lever is arranged in sleeve, and there is a jaw shape support elevating lever upper end.
2, sight protection writing rack according to claim 1 is characterized in that: the outer surface at elevating lever has a groove; On sleeve wall with groove to a dog screw should be arranged.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 93227471 CN2163746Y (en) | 1993-03-02 | 1993-03-02 | Eyesight-protecting writing rack |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 93227471 CN2163746Y (en) | 1993-03-02 | 1993-03-02 | Eyesight-protecting writing rack |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2163746Y true CN2163746Y (en) | 1994-05-04 |
Family
ID=33804733
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 93227471 Expired - Fee Related CN2163746Y (en) | 1993-03-02 | 1993-03-02 | Eyesight-protecting writing rack |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2163746Y (en) |
-
1993
- 1993-03-02 CN CN 93227471 patent/CN2163746Y/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 |