CN2484814Y - Protective shelf for visual acuity - Google Patents
Protective shelf for visual acuity Download PDFInfo
- Publication number
- CN2484814Y CN2484814Y CN 01241403 CN01241403U CN2484814Y CN 2484814 Y CN2484814 Y CN 2484814Y CN 01241403 CN01241403 CN 01241403 CN 01241403 U CN01241403 U CN 01241403U CN 2484814 Y CN2484814 Y CN 2484814Y
- Authority
- CN
- China
- Prior art keywords
- connecting rod
- plate
- base plate
- perpendicular baffle
- baffle plate
- 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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- Respiratory Apparatuses And Protective Means (AREA)
Abstract
The utility model relates to a sight protecting rack, comprising a protecting rack and a clipper. The protecting rack consists of a bottom plate, an upright baffle plate; the clipper consists of a connecting rod, a moveable plywood, and a rotating handle. The upright baffle plate is moveably connected with the bottom plate; the connecting rod is L-shaped with screw thread on the one end; one end of the L-shaped connecting rod is moveably connected on the bottom of the bottom plate, and the other end is connected with the moveable plywood and the rotating handle. The utility model has such advantages that when in use the utility model is firmly fixed with the table, the upright baffle plate is moveably connected with the bottom plate, so the utility model can be erected for the user to write and put down when the writing is finished, thus being convenient for students to change books. When not in use, the utility model can be folded, with good portability and simple structure. [0]
Description
The utility model relates to a kind of sight protectio frame.
At present, a lot of children are because the preschool TV of excessively seeing, just eyesight descends at primary school, and the number of myopia is more and more in the pupil, become the head of a family, society is very worried and question of common concern.Preschool child and the student who has just gone to school, because self-control is poor, most of faults when reading and writing, the health volt is on desk when writing, and the eye distance books are too near, form bad seat appearance in the course of time, cause that rate of myopia improves constantly; Under the situation that eyesight has descended,, certainly will cause myopic degree increasing if or else note forming good writing posture; For these students; the head of a family, the too much prompting of teacher; produce some antagonistic psychologys again; produce little effect, can play good effect if adopt some auxiliary instruments to be corrected, present sight protectio frame exists when using fixing insecure; and can not fold; inconvenience such as carries at problem, also have too much from restriction student's angle, on the student is easy to use, consider very little.
The purpose of this utility model can be securely fixed on the desk when providing a kind of use, and the time spent can not fold, and is easy to carry, sight protectio frame easy to use.
The purpose of this utility model is achieved in that
A kind of sight protectio frame, comprise fender bracket, clamper, it is characterized in that: fender bracket comprises base plate 4, perpendicular baffle plate 2, clamper comprises connecting rod 5, moving clamping plate 6, rotary handle 7, connect perpendicular baffle plate 2 apart from base plate 4 leading edges 3～5cm place, perpendicular baffle plate 2 flexibly connects with base plate 4, and perpendicular baffle plate 2 has support 3 with base plate 4 junctions; Connecting rod 5 is L shaped, and an end has screw thread, and L is capable, and connecting rod 5 one ends are movably connected in base plate 4 bottoms, and the other end is that threaded end connects moving clamping plate 6, rotary handle 7.
Above-mentioned sight protectio frame has two holes 8 on base plate 4, the capable connecting rod 5 of L passes that hole 8 is connected with base plate 4 on the base plate, and moving clamping plate 6, rotary handle 7 are connected with capable connecting rod 5 ends of thread of L.
Above-mentioned sight protectio frame; clamper can also comprise geometrical clamp 9, has the connecting rod 10 of handle, move intermediate plate 11; geometrical clamp 9 is one with base plate 4; two screwed holes 12 are arranged on the geometrical clamp 9; connecting rod 10 passes with moving intermediate plate 11 from geometrical clamp upper screwed hole 12 and is connected, and moving intermediate plate 11 is an one with connecting rod 10.
Above-mentioned sight protectio frame has two screwed holes 13 on the base plate 4, connecting rod 10 passes with moving intermediate plate 11 from base plate upper screwed hole 13 and is connected, and moving intermediate plate 11 is an one with connecting rod 10.
Above-mentioned sight protectio frame, the height of perpendicular baffle plate 2 stud with magnetic sheet 1 on perpendicular baffle plate 2 and the base plate 4 in 14～20cm scope.
Benefit of the present utility model is:
During use and the fixation of desk, perpendicular baffle plate is connected with base plate work, can hold up when writing, and can put down when not writing, and is convenient to the student and changes books, and the time spent can not fold, and is easy to carry, simple in structure.
Below in conjunction with accompanying drawing the utility model is further specified:
The sight protectio frame schematic diagram that L shaped connecting rod is arranged below Fig. 1 base plate
The L shaped connecting rod of Fig. 2 passes the sight protectio frame schematic diagram of base plate
The sight protectio frame schematic diagram that connecting rod is arranged below Fig. 3 geometrical clamp
The sight protectio frame schematic diagram that connecting rod is arranged above Fig. 4 geometrical clamp
Fig. 1, a kind of sight protectio frame, comprise fender bracket, clamper, fender bracket comprises base plate 4, perpendicular baffle plate 2, clamper comprises connecting rod 5, moving clamping plate 6, rotary handle 7, connects perpendicular baffle plate 2 apart from base plate 4 leading edges 3～5cm place, and perpendicular baffle plate 2 flexibly connects with base plate 4, perpendicular baffle plate 2 has triangular supports 3 with base plate 4 junctions, studs with magnetic sheet 1 on perpendicular baffle plate 2 and the base plate 4; Connecting rod 5 is L shaped, and an end has screw thread, and L is capable, and connecting rod 5 one ends are movably connected in base plate 4 bottoms, and the other end is that threaded end connects moving clamping plate 6, rotary handle 7.
Fig. 2, a kind of sight protectio frame, comprise fender bracket, clamper, fender bracket comprises base plate 4, perpendicular baffle plate 2, clamper comprises connecting rod 5, moving clamping plate 6, rotary handle 7, connects perpendicular baffle plate 2 apart from base plate 4 leading edges 3～5cm place, and perpendicular baffle plate 2 flexibly connects with base plate 4, perpendicular baffle plate 2 has triangular supports 3 with base plate 4 junctions, studs with magnetic sheet 1 on perpendicular baffle plate 2 and the base plate 4; Connecting rod 5 is L shaped, and an end has screw thread, and two holes 8 are arranged on base plate, and the capable connecting rod of L passes that hole 8 is connected with base plate on the base plate, and moving clamping plate 6, rotary handle 7 are connected with capable connecting rod 5 ends of thread of L.
Fig. 3, a kind of sight protectio frame, comprise fender bracket, clamper, fender bracket comprises base plate 4, perpendicular baffle plate 2, clamper also comprises geometrical clamp 9, has the connecting rod 10 of handle, moves intermediate plate 11, connects perpendicular baffle plate 2 apart from base plate 4 leading edges 3～5cm place, and perpendicular baffle plate and base plate flexibly connect, perpendicular baffle plate and back plate connections have triangular supports 3, stud with magnetic sheet 1 on perpendicular baffle plate and the base plate; Geometrical clamp 9 is one with base plate 4, and two screwed holes 12 are arranged on the geometrical clamp 9, and connecting rod 10 passes with moving intermediate plate 11 from geometrical clamp upper screwed hole 12 and is connected, and moving intermediate plate 11 is an one with connecting rod 10.
Fig. 4, a kind of sight protectio frame, comprise fender bracket, clamper, fender bracket comprises base plate 4, perpendicular baffle plate 2, clamper also comprises geometrical clamp 9, has the connecting rod 10 of handle, moves intermediate plate 11, connects perpendicular baffle plate 2 apart from base plate 4 leading edges 3～5cm place, and perpendicular baffle plate and base plate flexibly connect, perpendicular baffle plate and back plate connections have triangular supports 3, stud with magnetic sheet 1 on perpendicular baffle plate and the base plate; Geometrical clamp 9 is one with base plate 4, and two screwed holes 13 are arranged on the base plate, and connecting rod 10 passes with moving intermediate plate 11 from base plate upper screwed hole 13 and is connected, and moving intermediate plate 11 is an one with connecting rod 10.
Fig. 5,6, above-mentioned sight protectio frame, the height of perpendicular baffle plate 2 be by inclination angle a1≤20 of human body °, depression angle a2≤20 °, and optimum value is in 14～20cm scope.
Claims (5)
1. sight protectio frame, comprise fender bracket, clamper, it is characterized in that: fender bracket comprises base plate (4), perpendicular baffle plate (2), clamper comprises connecting rod (5), moving clamping plate (6), rotary handle (7), connect perpendicular baffle plate (2) apart from base plate (4) leading edge 3～5cm place, perpendicular baffle plate (2) flexibly connects with base plate (4), and perpendicular baffle plate (2) has support (3) with base plate (4) junction; Connecting rod (5) is L shaped, and an end has screw thread, and capable connecting rod (5) one ends of L are movably connected in base plate (4) bottom, and the other end is that threaded end connects moving clamping plate (6), rotary handle (7).
2. sight protectio frame according to claim 1; it is characterized in that: two holes (8) are arranged on the base plate (4); the capable connecting rod of L (5) passes hole on the base plate (8) and is connected with base plate (4), and moving clamping plate (6), rotary handle (7) are connected with the capable connecting rod of L (5) end of thread.
3. sight protectio frame according to claim 1; it is characterized in that: clamper comprises geometrical clamp (9), has the connecting rod (10) of handle, moves intermediate plate (11); geometrical clamp (9) is an one with base plate (4); two screwed holes (12) are arranged on the geometrical clamp (9); connecting rod (10) passes with moving intermediate plate (11) from geometrical clamp upper screwed hole (12) and is connected; moving intermediate plate (11) is an one with connecting rod (10), and moving intermediate plate (11) is an one with connecting rod (10).
4. sight protectio frame according to claim 3 is characterized in that: two screwed holes (13) are arranged on the base plate (4), and connecting rod (10) passes with moving intermediate plate (11) from base plate upper screwed hole (13) and is connected, and moving intermediate plate (11) is an one with connecting rod (10).
5. according to claim 1,2,3 or 4 described sight protectio framves, it is characterized in that: the height of perpendicular baffle plate (2) studs with magnetic sheet (1) on perpendicular baffle plate (2) and the base plate (4) in 14～20cm scope.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 01241403 CN2484814Y (en) | 2001-04-28 | 2001-04-28 | Protective shelf for visual acuity |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 01241403 CN2484814Y (en) | 2001-04-28 | 2001-04-28 | Protective shelf for visual acuity |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2484814Y true CN2484814Y (en) | 2002-04-10 |
Family
ID=33653405
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 01241403 Expired - Fee Related CN2484814Y (en) | 2001-04-28 | 2001-04-28 | Protective shelf for visual acuity |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2484814Y (en) |
-
2001
- 2001-04-28 CN CN 01241403 patent/CN2484814Y/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 |