CN2783834Y - Myopia-preventing support - Google Patents
Myopia-preventing support Download PDFInfo
- Publication number
- CN2783834Y CN2783834Y CN 200520083754 CN200520083754U CN2783834Y CN 2783834 Y CN2783834 Y CN 2783834Y CN 200520083754 CN200520083754 CN 200520083754 CN 200520083754 U CN200520083754 U CN 200520083754U CN 2783834 Y CN2783834 Y CN 2783834Y
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- China
- Prior art keywords
- base
- groove
- myopia
- support bar
- offered
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- Expired - Fee Related
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Abstract
The utility model discloses a myopia-preventing support, which is provided with a base which is provided with a supporting rod. One end of the supporting rod is hinged with the base, and the other end of the supporting rod is provided with a bracket. The base is provided with a writing board which can make a student keep a correct writing posture through forcibly delimiting a distance between both eyes and a book. Consequently, the formation of myopia can be effectively prevented. Simultaneously, because the myopia-preventing support can make the student always keep the correct posture during writing, the myopia-preventing support can also be used for ensuring that a body of the student normally grows during development and effectively avoiding the diseases of the deformation of vertebras, etc., due to wrong writing postures. The height of the bracket of the myopia-preventing support can be freely adjusted according to a body shape of a user through a draw-pull rod, and is suitable for being used for consumers of any height and body shape. The myopia-preventing support also has the advantages of small size, convenient carrying, simple structure and low cost.
Description
Technical field
The utility model relates to a kind of schooling apparatus, exactly is a kind of myopia-preventing frame.
Background technology
Along with the increase of middle and primary schools' lessons amount, students in middle and primary schools' access time prolongs gradually.In long read-write process, students in middle and primary schools can form incorrect writing posture unconsciously because of waist fatigue, make the hypotelorism of eyes and books, can cause that in the course of time eyesight decline finally causes myopia.Because wrong writing posture is that the student self that the student forms unconsciously can't discover, the head of a family is difficult to again remind constantly, and therefore, people need a kind of schooling apparatus to prevent from not rectify the myopia of drawing because of writing posture.
Summary of the invention
The purpose of this utility model, provided a kind of myopia-preventing frame, it both need not the conscious attention of student, also need not the head of a family reminds at any time, but the distance of eyes and books when forcibly limiting the student and writing, make the student keep correct writing posture, thereby can prevent bathomorphic appearance effectively, for student's eye health provides safeguard.
The purpose of this utility model is achieved through the following technical solutions: myopia-preventing frame, and it has base, and support bar is installed on the base, and an end of support bar and base are hinged, another installation bracket of support bar.
The further technical scheme of the utility model is: myopia-preventing frame has base, and support bar is installed on the base, and an end of support bar and base are hinged, another installation bracket of support bar.Support bar is the expansion link structure, and it has sleeve pipe, and pull bar is installed in the sleeve pipe, and an end of sleeve pipe and base are hinged, and pull bar stretches out the outer end of sleeve pipe and is connected with carriage.One end of base is offered blind hole, base upper surface is offered groove along the base long axis direction, and the vertical saturating groove of base upper surface is offered groove, and groove communicates with saturating groove, saturating groove communicates with blind hole, base upper surface is offered groove, and groove communicates with saturating groove, and rotating shaft is installed in the blind hole, mounting sleeve in the rotating shaft, sliding sleeve is installed on the sleeve pipe, and the sliding sleeve lower end is provided with location-plate, and the width of location-plate equates with the width of groove.。Be provided with cavity in the sliding sleeve, limited block and spring are installed on the sleeve pipe, an end of spring is loaded in the cavity, and the other end of spring contacts with limited block.Carriage is provided with cushion, and the upper surface of cushion is a curved surface.Clipboard is installed on the base.
The utility model can also be realized with following technical scheme: myopia-preventing frame has base, and support bar is installed on the base, and an end of support bar and base are hinged, another installation bracket of support bar.One end of base is offered blind hole, base upper surface is offered groove along the base long axis direction, and the vertical saturating groove of base upper surface is offered groove, and groove communicates with saturating groove, saturating groove communicates with blind hole, base upper surface is offered groove, and groove communicates with saturating groove, and rotating shaft is installed in the blind hole, support bar is installed in the rotating shaft, sliding sleeve is installed on the support bar, and the sliding sleeve lower end is provided with location-plate, and the width of location-plate equates with the width of groove.Be provided with cavity in the sliding sleeve, limited block and spring are installed on the support bar, an end of spring is loaded in the cavity, and the other end of spring contacts with limited block.Clipboard is installed on the base.
Good effect of the present utility model is: it can make the student keep correct writing posture by forcibly limiting the distance between student's eyes and books, thereby prevents bathomorphic formation effectively.Simultaneously, because myopia-preventing frame can make the student remain correct posture when writing, therefore, myopia-preventing frame also can be guaranteed health normal growth between the puberty of student, can avoid the diseases such as the deformity of spinal column because of the writing posture initiation of mistake effectively.The carriage height of myopia-preventing frame can pass through pull pull bar free adjustment according to user's the bodily form, and the consumer who is fit to any height bodily form uses.Myopia-preventing frame also has little easy to carry, simple in structure, the cheap advantage of volume.
Description of drawings
Fig. 1 is a structural representation of the present utility model; Fig. 2 is the A-A sectional structure schematic diagram of Fig. 1;
Fig. 3 is a base 10 and plan structure schematic diagram after clipboard 15 is connected.
The specific embodiment
Embodiment one:
Myopia-preventing frame has base 10, on the base 10 support bar is installed, and an end of support bar and base 10 are hinged, and another installation bracket 2 of support bar is installed clipboard 15 on the base 10.When the utility model is made, process each parts and assembling by above-mentioned requirements.When the utility model uses, support bar is propped, books are put on the clipboard 15 get final product.When the hypotelorism of user eyes and books in the read-write process, user's lower jaw can touch carriage 2, thereby reminds the user to keep correct writing posture.
Embodiment two:
Myopia-preventing frame has base 10, on the base 10 support bar is installed, and an end of support bar and base 10 are hinged another installation bracket 2 of support bar.Support bar is the expansion link structure, and it has sleeve pipe 14, and pull bar 13 is installed in the sleeve pipe 14, and an end of sleeve pipe 14 and base 10 are hinged, and pull bar 13 stretches out sleeve pipe 14 outer ends and is connected with carriage 2.Support bar also can be made of with suit successively from the inside to the outside a plurality of sleeve pipes, and pull bar 13 is installed in the innermost sleeve pipe, pull bar 13 and sleeve pipe can be extracted out successively until Len req in use.One end of base 10 is offered blind hole 9, base 10 upper surfaces are offered groove 8 along base 10 long axis directions, and the vertical saturating groove 8 of base 10 upper surfaces is offered groove 9, and groove 9 communicates with saturating groove 8, saturating groove 8 communicates with blind hole 9, base 10 upper surfaces are offered groove 7, and groove 7 communicates with saturating groove 8, and rotating shaft 11 is installed in the blind hole 9, mounting sleeve 14 in the rotating shaft 11, sliding sleeve 6 is installed on the sleeve pipe 14, and sliding sleeve 6 lower ends are provided with location-plate 12, and the width of location-plate 12 equates with the width of groove 7.。Be provided with cavity 20 in the sliding sleeve 6, limited block 4 and spring 5 are installed on the sleeve pipe 14, an end of spring 5 is loaded in the cavity 20, and the other end of spring 5 contacts with limited block 4.Carriage 2 is provided with cushion 1, and the upper surface of cushion 1 is a curved surface, and when user's writing posture was not rectified lower jaw touching carriage 2, cushion 1 can play cushioning effect, prevents carriage 2 human body of damaging.Clipboard 15 is installed on the base 10.Fastening bolt 3 is installed on the sidewall of sleeve pipe 14.The cross section of base 10 is semicircle.Clipboard 15 is installed on the base 10.Base 10 can be made into one with clipboard 15.16 obstructions that are mounted in blind hole 9 opening parts among the figure.When the utility model is made, process each parts and assembling by above-mentioned requirements.When the utility model uses, should earlier carriage 2 be lifted, the user can lift carriage 2 on the other hand, carriage 2 drives pull bar 13 and rotates relative to base 10 with sleeve pipe 14, in the process that lifts carriage 2, another hand propelled sliding sleeve 6 moves to carriage 2 directions along sleeve pipe 14, sliding sleeve 6 compresses spring 5 in moving process, unclamp sliding sleeve 6 when pull bar 13 and clipboard 15 are 90 degree or spend near 90, sliding sleeve 6 moves to base 10 under the impetus of spring 5, and the location-plate 12 of sliding sleeve 6 bottoms falls in the groove 7, at this moment, location-plate 12 is stuck in the groove 7, and slip pipe 6 can't be rotated relative to base 10, finishes the process that carriage 2 is holded up and fixed; Then, can extract pull bar 13 out, according to the length that user's height adjusting yoke 13 is extracted out, length determines that back rotation fastening bolt 3 makes pull bar 13 and sleeve pipe 14 fixed-site; At last, the user is seated at that lower jaw is positioned at carriage 2 tops before the myopia-preventing frame, and used books are put in to write on the clipboard 15 get final product.After using myopia-preventing frame, if the hypotelorism of user's eyes and clipboard 15, its lower jaw can touch carriage 2, and the user can return to correct writing posture naturally.
Embodiment three:
Myopia-preventing frame has base 10, on the base 10 support bar is installed, and an end of support bar and base 10 are hinged another installation bracket 2 of support bar.One end of base 10 is offered blind hole 9, base 10 upper surfaces are offered groove 8 along base 10 long axis directions, and the vertical saturating groove 8 of base 10 upper surfaces is offered groove 9, and groove 9 communicates with saturating groove 8, saturating groove 8 communicates with blind hole 9, base 10 upper surfaces are offered groove 7, and groove 7 communicates with saturating groove 8, and rotating shaft 11 is installed in the blind hole 9, in the rotating shaft 11 support bar is installed, sliding sleeve 6 is installed on the support bar, and sliding sleeve 6 lower ends are provided with location-plate 12, and the width of location-plate 12 equates with the width of groove 7.。Be provided with cavity 20 in the sliding sleeve 6, limited block 4 and spring 5 are installed on the support bar, an end of spring 5 is loaded in the cavity 20, and the other end of spring 5 contacts with limited block 4.The cross section of base 10 is semicircle.Clipboard 15 is installed on the base 10.Base 10 can be made into one with clipboard 15.16 obstructions that are mounted in blind hole 9 opening parts among the figure.When the utility model is made, process each parts and assembling by above-mentioned requirements.During processing and fabricating base 10, can make base 10 outward-dipping with the side that clipboard 15 is connected, make base 10 and clipboard 15 install after this side spend less than 90 with the angle of 15 of clipboards, this structure helps support bar and carriage 2 is close to clipboard 15.When the utility model uses, should earlier carriage 2 be lifted, the user can lift carriage 2 on the other hand, carriage 2 drives support bar and rotates relative to base 10, in the process that lifts carriage 2, another hand propelled sliding sleeve 6 moves to carriage 2 directions along support bar, sliding sleeve 6 compresses spring 5 in moving process, unclamp sliding sleeve 6 when support bar and clipboard 15 are 90 degree or spend near 90, sliding sleeve 6 moves to base 10 under the impetus of spring 5, and the location-plate 12 of sliding sleeve 6 bottoms falls in the groove 7, at this moment, location-plate 12 is stuck in the groove 7, and slip pipe 6 can't be rotated relative to base 10, finishes the process that carriage 2 is holded up and fixed; Then, the user is seated at that lower jaw is positioned at carriage 2 tops before the myopia-preventing frame, and used books are put in to write on the clipboard 15 get final product.After using myopia-preventing frame, if the hypotelorism of user's eyes and clipboard 15, its lower jaw can touch carriage 2, and the user can return to correct writing posture naturally.
Technical scheme described in the utility model is not restricted in the scope of embodiment described in the utility model.The utility model not technology contents of detailed description is known technology.
Claims (10)
1, myopia-preventing frame, it has base (10), it is characterized in that: base (10) is gone up support bar is installed, and an end of support bar and base (10) are hinged, and another installation bracket (2) of support bar, base (10) are gone up clipboard (15) are installed.
2, myopia-preventing frame according to claim 1, it is characterized in that: support bar is the expansion link structure, and it has sleeve pipe (14), and pull bar (13) is installed in the sleeve pipe (14), one end of sleeve pipe (14) and base (10) are hinged, and pull bar (13) stretches out the outer end of sleeve pipe (14) and is connected with carriage (2).
3, myopia-preventing frame according to claim 2, it is characterized in that: an end of base (10) is offered blind hole (9), base (10) upper surface is offered groove (8) along base (10) long axis direction, the vertical saturating groove (8) of base (10) upper surface is offered groove (9), groove (9) communicates with saturating groove (8), saturating groove (8) communicates with blind hole (9), base (10) upper surface is offered groove (7), groove (7) communicates with saturating groove (8), rotating shaft (11) is installed in the blind hole (9), and mounting sleeve (14) is gone up in rotating shaft (11), and sleeve pipe (14) is gone up sliding sleeve (6) is installed, sliding sleeve (6) lower end is provided with location-plate (12), and the width of location-plate (12) equates with the width of groove (7).
4, myopia-preventing frame according to claim 3, it is characterized in that: be provided with cavity (20) in the sliding sleeve (6), sleeve pipe (14) is gone up limited block (4) and spring (5) is installed, and an end of spring (5) is loaded in the cavity (20), and the other end of spring (5) contacts with limited block (4).
5, according to claim 1,2,3 or 4 described myopia-preventing frames, it is characterized in that: carriage (2) is provided with cushion (1), and the upper surface of cushion (1) is a curved surface.
6, according to claim 2,3 or 4 described myopia-preventing frames, it is characterized in that: fastening bolt (3) is installed on the sidewall of sleeve pipe (14).
7, myopia-preventing frame according to claim 1, it is characterized in that: an end of base (10) is offered blind hole (9), base (10) upper surface is offered groove (8) along base (10) long axis direction, the vertical saturating groove (8) of base (10) upper surface is offered groove (9), groove (9) communicates with saturating groove (8), saturating groove (8) communicates with blind hole (9), base (10) upper surface is offered groove (7), groove (7) communicates with saturating groove (8), rotating shaft (11) is installed in the blind hole (9), and rotating shaft (11) is gone up support bar is installed, and sliding sleeve (6) is installed on the support bar, sliding sleeve (6) lower end is provided with location-plate (12), and the width of location-plate (12) equates with the width of groove (7).
8, myopia-preventing frame according to claim 7, it is characterized in that: be provided with cavity (20) in the sliding sleeve (6), limited block (4) and spring (5) are installed on the support bar, and an end of spring (5) is loaded in the cavity (20), and the other end of spring (5) contacts with limited block (4).
9, according to claim 1,2,3,4,7 or 8 described myopia-preventing frames, it is characterized in that: the cross section of base (10) is semicircle.
10, according to claim 1,2,3,4,7 or 8 described myopia-preventing frames, it is characterized in that: base (10) can be made into one with clipboard (15).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200520083754 CN2783834Y (en) | 2005-04-27 | 2005-04-27 | Myopia-preventing support |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200520083754 CN2783834Y (en) | 2005-04-27 | 2005-04-27 | Myopia-preventing support |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2783834Y true CN2783834Y (en) | 2006-05-31 |
Family
ID=36770819
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200520083754 Expired - Fee Related CN2783834Y (en) | 2005-04-27 | 2005-04-27 | Myopia-preventing support |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2783834Y (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102697376A (en) * | 2012-01-27 | 2012-10-03 | 李智全 | Adjustable volume pot |
-
2005
- 2005-04-27 CN CN 200520083754 patent/CN2783834Y/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102697376A (en) * | 2012-01-27 | 2012-10-03 | 李智全 | Adjustable volume pot |
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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: 20060531 |