CN201143842Y - Eyesight protective blackboard - Google Patents
Eyesight protective blackboard Download PDFInfo
- Publication number
- CN201143842Y CN201143842Y CNU2007201126642U CN200720112664U CN201143842Y CN 201143842 Y CN201143842 Y CN 201143842Y CN U2007201126642 U CNU2007201126642 U CN U2007201126642U CN 200720112664 U CN200720112664 U CN 200720112664U CN 201143842 Y CN201143842 Y CN 201143842Y
- Authority
- CN
- China
- Prior art keywords
- blackboard
- plate body
- brushing
- viewing
- aid
- 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
Images
Landscapes
- Drawing Aids And Blackboards (AREA)
Abstract
The utility model discloses a vision assistant blackboard which includes a blackboard frame, a blackboard and a light source; the blackboard is arranged in the blackboard frame; the light source is arranged in the blackboard frame behind the blackboard; the blackboard is made of transparent material; the outer surface of the blackboard is also provided with an erasable opaque coating. The product of the utility model is provided with the similar effect as traditional blackboards; under circumstances of quite far distance or quite dark environment, the looker can very easily see the writing clearly, which is good for protecting the vision of the long-termed looker.
Description
Technical field
The utility model belongs to teaching aid design and manufacturing technology field, is specifically related to a kind of viewing-aid blackboard that helps to protect beholder's eyesight.
Background technology
Existing blackboard generally is that brushing paint is made on plank or wall, the advantage of this kind blackboard be cost low, write conveniently, but shortcoming also clearly: at first be that chalk dust is many, the teacher who writes and be sitting in front-seat student " eating ash " influences healthy; In addition, after writing on this blackboard, being positioned at the back, classroom is difficult for seeing clearly from blackboard student far away, especially under the bad environment of daylighting, writing on the blackboard is difficult for identification, influences result of use, the long eyesight that also may influence the user of time, especially under the situation of Ting Dianing, blackboard can't use.
Chinese patent literature CN2531948Y discloses a kind of viewing-aid blackboard, form by blackboard, sheet frame and fluorescent lamp, blackboard is the glass of positive frosted or the glass of the equal frosted of positive and negative, sheet frame be arranged on blackboard around, fluorescent lamp is placed in the reverse side of blackboard and is fixed on the sheet frame.This kind blackboard exists bigger shortcoming: its background is that fluorescent lamp impinges upon the shown white that goes out on the ground glass, write and to write with the dark colour pen, for example write with black pen, so just be similar to and on White writing-board, write surplus, but it is, comparatively dazzling because background colour is white on a large scale; Writing on the blackboard is less relatively in addition, is buried by brighter background colour easily, watches this blackboard will be more serious than traditional blackboard to the injury of student's eyesight for a long time.
The utility model content
The purpose of this utility model provides a kind of similar traditional blackboard effect that has, and under remote or situation that light is darker, the beholder also is easy to see clearly writing, helps to protect a kind of viewing-aid blackboard of long-term beholder's eyesight.
The technical scheme that realizes the viewing-aid blackboard of the utility model purpose is: a kind of viewing-aid blackboard, comprise sheet frame, plate body and light emitting source, and described plate body is arranged in the sheet frame, and described light emitting source is arranged in the sheet frame at plate body rear; Described plate body adopts light transmissive material to make, and the outer surface of plate body also is provided with the opaque coating that can wipe.
Described plate body adopts clear glass, the transparent plastic sheet of clear glass, transparent plastic sheet or frosted to make; Opaque coating on the described plate body is black or yellow non-drying oil enamelled coating or ink lay.
This blackboard also comprises the rail mounted obliterating device that is used for writing on the whole plate body of obliterating, and described rail mounted obliterating device comprises and two tracks of sheet frame relative fixed setting and the rail mounted obliterating brush that can move along track; Described rail mounted obliterating brush comprises the scraper plate that is used to strike off opaque coating on the plate body and is used on by the plate body of scraper plate scraped clean the cylinder of brushing opaque coating again.
This blackboard also comprises the electric traction mechanism that is used for traction track formula obliterating brush, and described electric traction mechanism comprises prime mover, drives the haulage gear that rail mounted obliterating brush moves.
This blackboard also comprises the handle that is used for traction track formula obliterating brush.
This blackboard also comprises free style obliterating device, and described free style obliterating device comprises a principal arm that is rotationally connected with the pedestal of sheet frame relative fixed setting, with pedestal, the support arm that is rotationally connected with the principal arm end and the free style obliterating brush that is fixed on the support arm end; Described free style obliterating brush comprises the scraper plate that is used to strike off opaque coating on the plate body and is used on by the plate body of scraper plate scraped clean the cylinder of brushing opaque coating again.
This blackboard also comprises light shield.
The manufacture method of the utility model viewing-aid blackboard may further comprise the steps:
1. be ready to light transmissive material plate and sheet frame, clean up and be fixed in plate body in the sheet frame as the blackboard plate body;
2. the opaque coating that brushing one deck can be wiped on the outer surface of plate body;
3. at the rear of plate body light emitting source is set.
Clear glass, transparent plastic sheet that described light transmissive material plate is clear glass, transparent plastic sheet or frosted; Opaque coating on the described plate body is black or yellow non-drying oil enamelled coating or printing ink.
The Writing method of the utility model viewing-aid blackboard is to adopt the angle prepared material on plate body opaque coating to be struck off, and makes the light of light emitting source shine from the cut of angle prepared material.
The utlity model has positive effect:
(1) the utility model product can have the effect of the black matrix wrongly written or mispronounced character of the traditional blackboard of being similar to, as everyone knows, writing on the traditional blackboard is under remote or situation that light is darker, be difficult to see clearly writing, so will cause beholder's eyesight to descend for a long time, this also be now at the beginning of, the inducement that high school student's myopia is occurred frequently, the utility model is then by adopting the light transmissive material plate to make the blackboard plate body, behind plate body according to lighting source, cover the blackboard plate body with opaque coating, when not having handwriting, blackboard integral body is the color that coating has, when scribbling with the material that is similar to " chalk " of angle system, when for example scribbling with cornu bubali, cornu bubali is struck off printing ink, expose plate body, light then can shine from the cut that scrapes off, form the writing consistent with light color, when the opaque coating of the electronic energy-saving lamp illumination of adopting wide spectrum and black, the utility model will have the effect of the black matrix wrongly written or mispronounced character of the traditional blackboard of being similar to, but compare with traditional blackboard, then because white writing is because due to the light that light source sent, brightness is higher, viewing effect well, under remote or situation that light is darker, the beholder also is easy to see clearly writing, has the advantage of the long-term beholder's eyesight of protection; If the light emitting source in the utility model product adopts the emergency light that has battery in addition, then the utility model product also can normally use after power failure.
(2) after being used for the rail mounted obliterating device of writing on the whole plate body of obliterating for blackboard interpolation of the present utility model, can quickly and easily the writing of whole blackboard be wiped; After adding for blackboard of the present utility model to be used for the electric traction mechanism or handle of traction track formula obliterating brush, can be so that blackboard of the present utility model has to be wiped or the function of the whole blackboard writing of manual erase automatically, it is comparatively convenient to use.
(3) after adding for blackboard of the present utility model to be used for the free style obliterating device of the indivedual writings of obliterating, can solve the recurrent problem of wiping among a small circle, make to the utlity model has the real result of use that compares favourably with traditional blackboard.
(4) after adding light shield for blackboard of the present utility model, can the extraneous light of shield portions, reduce and disturb, make writing more clear, have better viewing effect.
Description of drawings
Fig. 1 is a kind of sectional structure schematic diagram of the utility model viewing-aid blackboard;
Fig. 2 is a kind of free style obliterating brush that is used for the obliterating writing;
Fig. 3 is second kind of structural representation of the present utility model;
Fig. 4 is the third structural representation of the present utility model.
Description of drawings: sheet frame 1, plate body 2, light emitting source 3, opaque coating 4, rail mounted obliterating device 5, track 51, rail mounted obliterating brush 52, free style obliterating device 8, pedestal 81, principal arm 82, support arm 83, free style obliterating brush 84, scraper plate 841, cylinder 842, light shield 9.
The specific embodiment
(embodiment 1, viewing-aid blackboard)
Fig. 1 and Fig. 2 have shown first kind of embodiment of the present utility model, and wherein Fig. 1 is a kind of sectional structure schematic diagram of the utility model viewing-aid blackboard, and Fig. 2 is a kind of free style obliterating brush that is used for the obliterating writing.
Present embodiment is a kind of viewing-aid blackboard, comprises sheet frame 1, plate body 2, light emitting source 3 and light shield 9, and described plate body 2 is arranged in the sheet frame 1, and the light emitting source 3 that adopts the broad spectrum electronic electricity-saving lamp to make is arranged in the sheet frame 1 at plate body 2 rears; Described plate body 2 adopts clear glass, the transparent plastic sheet of light transmissive material, for example clear glass, transparent plastic sheet or frosted to make, and present embodiment is to adopt clear glass to make; The outer surface of plate body 2 also is provided with the opaque coating 4 that can wipe, and described opaque coating can be non-drying oil enamelled coating or ink lay, and what present embodiment was selected for use is the ink lay of black.Described light shield 9 is arranged on the top of plate body 2, is used to block in the room other illuminating lamps according to the part light to blackboard plate body 2.
The blackboard of present embodiment adopts the angle prepared material on plate body 2 opaque coating 4 to be struck off when writing, and makes the light of light emitting source 3 shine from the cut of angle prepared material, for example adopts cornu bubali to write.
The blackboard of present embodiment adopts free style obliterating brush 84 to wipe when wiping; Described free style obliterating brush 84 comprises the scraper plate 841 that is used to strike off opaque coating 4 on the plate body and is used on by the plate body 2 of scraper plate 841 scraped clean the cylinder 842 of brushing opaque coating 4 again.
(embodiment 2, viewing-aid blackboard)
Fig. 3 is second kind of structural representation of the present utility model, has shown second kind of embodiment of the present utility model.
Present embodiment is substantially the same manner as Example 1, difference is: this blackboard also comprises the rail mounted obliterating device 5 that is used for writing on the whole plate body 2 of obliterating, and described rail mounted obliterating device 5 comprises and two tracks 51 of sheet frame 1 relative fixed setting and the rail mounted obliterating brush 52 that can move along track 51; Described rail mounted obliterating brush 52 comprises the scraper plate that is used to strike off opaque coating 4 on the plate body and is used on by the plate body 2 of scraper plate scraped clean the cylinder of brushing opaque coating 4 again.
This blackboard also comprises the handle that is used for traction track formula obliterating brush 5.
(embodiment 3, viewing-aid blackboard)
Fig. 4 is the third structural representation of the present utility model, has shown the third embodiment of the present utility model.
Present embodiment is substantially the same manner as Example 1, difference is: this blackboard also comprises free style obliterating device 8, and described free style obliterating device 8 comprises a principal arm 82 that is rotationally connected with the pedestal 81 of sheet frame 1 relative fixed setting, with pedestal 81, the support arm 83 that is rotationally connected with principal arm 82 ends and the free style obliterating brush 84 that is fixed on support arm 83 ends.
(embodiment 4, viewing-aid blackboard)
Present embodiment is substantially the same manner as Example 3, and difference is: this blackboard also comprises the electric traction mechanism that is used for traction track formula obliterating brush 5, and described electric traction mechanism comprises prime mover, drives rail mounted obliterating brush 5 haulage gears that move.
The utlity model has positive effect:
(1) the utility model product can have the effect of the black matrix wrongly written or mispronounced character of the traditional blackboard of being similar to; as everyone knows; writing on the traditional blackboard is under remote or situation that light is darker; be difficult to see clearly writing; so will cause beholder's eyesight to descend for a long time; this also be now at the beginning of; the inducement that high school student's myopia is occurred frequently; the utility model is then by adopting the light transmissive material plate to make the blackboard plate body; behind plate body according to lighting source; cover the blackboard plate body with opaque coating; when not having handwriting; blackboard integral body is the color that coating has; when scribbling with the material that is similar to " chalk " of angle system; when for example scribbling with cornu bubali; cornu bubali is struck off printing ink; expose plate body; light then can shine from the cut that scrapes off; form the writing consistent with light color; when the opaque coating of the electronic energy-saving lamp illumination of adopting wide spectrum and black; the utility model will have the effect of the black matrix wrongly written or mispronounced character of the traditional blackboard of being similar to; but compare with traditional blackboard; then because white writing is because due to the light that light source sent; brightness is higher; viewing effect well; under remote or situation that light is darker, the beholder also is easy to see clearly writing, has the advantage of the long-term beholder's eyesight of protection.
(2) after being used for the rail mounted obliterating device of writing on the whole plate body of obliterating for blackboard interpolation of the present utility model, can quickly and easily the writing of whole blackboard be wiped; After adding for blackboard of the present utility model to be used for the electric traction mechanism or handle of traction track formula obliterating brush, can be so that blackboard of the present utility model has to be wiped or the function of the whole blackboard writing of manual erase automatically, it is comparatively convenient to use.
(3) after adding for blackboard of the present utility model to be used for the free style obliterating device of the indivedual writings of obliterating, can solve the recurrent problem of wiping among a small circle, make to the utlity model has the real result of use that compares favourably with traditional blackboard.
(4) after adding light shield for blackboard of the present utility model, can the extraneous light of shield portions, reduce and disturb, make writing more clear, have better viewing effect.
Obviously, the foregoing description of the present utility model only is for the utility model example clearly is described, and is not to be qualification to embodiment of the present utility model.For those of ordinary skill in the field, can also make other changes in different forms on the basis of the above description.Here need not also can't give exhaustive to all embodiments.And these belong to conspicuous variation or the change that spirit of the present utility model extended out and still are among the protection domain of the present utility model.
Claims (7)
1, a kind of viewing-aid blackboard comprises sheet frame (1), plate body (2) and light emitting source (3), and described plate body (2) is arranged in the sheet frame (1), and described light emitting source (3) is arranged in the sheet frame (1) at plate body (2) rear; It is characterized in that: described plate body (2) adopts light transmissive material to make, and the outer surface of plate body (2) also is provided with the opaque coating (4) that can wipe.
2, viewing-aid blackboard according to claim 1 is characterized in that: described plate body (2) adopts clear glass, the transparent plastic sheet of clear glass, transparent plastic sheet or frosted to make; Opaque coating (4) on the described plate body (2) is black or yellow non-drying oil enamelled coating or ink lay.
3, viewing-aid blackboard according to claim 1 is characterized in that: this blackboard also comprises and being used for
Be coated with whole plate body (2) and go up the rail mounted of writing
Coating device (5), described rail mounted
Coating device (5) comprises two tracks (51) that are provided with sheet frame (1) relative fixed and the rail mounted that can move along track (51)
Brushing (52); Described rail mounted
Brushing (52) comprises the scraper plate that is used to strike off opaque coating on the plate body (4) and is used on by the plate body of scraper plate scraped clean (2) cylinder of brushing opaque coating (4) again.
4, viewing-aid blackboard according to claim 3 is characterized in that: this blackboard also comprises and is used for the traction track formula
The electric traction mechanism of brushing (5), described electric traction mechanism comprise prime mover, drive rail mounted
The haulage gear that brushing (5) is moved.
5, viewing-aid blackboard according to claim 3 is characterized in that: this blackboard also comprises and is used for the traction track formula
The handle of brushing (5).
6, viewing-aid blackboard according to claim 1 is characterized in that: this blackboard also comprises free style
Coating device (8), described free style
The principal arm (82) that coating device (8) comprises a pedestal (81) that is provided with sheet frame (1) relative fixed, be rotationally connected with pedestal (81), the support arm (83) that is rotationally connected with principal arm (82) end and be fixed on the terminal free style of support arm (83)
Brushing (84); Described free style
Brushing (84) comprises the scraper plate (841) that is used to strike off opaque coating on the plate body (4) and is used on by the plate body (2) of scraper plate (841) scraped clean the cylinder (842) of brushing opaque coating (4) again.
7, viewing-aid blackboard according to claim 1 is characterized in that: this blackboard also comprises light shield (9).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2007201126642U CN201143842Y (en) | 2007-07-26 | 2007-07-26 | Eyesight protective blackboard |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2007201126642U CN201143842Y (en) | 2007-07-26 | 2007-07-26 | Eyesight protective blackboard |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201143842Y true CN201143842Y (en) | 2008-11-05 |
Family
ID=40080710
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2007201126642U Expired - Fee Related CN201143842Y (en) | 2007-07-26 | 2007-07-26 | Eyesight protective blackboard |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201143842Y (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105799385A (en) * | 2016-03-19 | 2016-07-27 | 中山中威照明科技有限公司 | Light emitting writing board |
-
2007
- 2007-07-26 CN CNU2007201126642U patent/CN201143842Y/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105799385A (en) * | 2016-03-19 | 2016-07-27 | 中山中威照明科技有限公司 | Light emitting writing board |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US20060105149A1 (en) | Pressure-sensitive light-extracting paper | |
| CN201143842Y (en) | Eyesight protective blackboard | |
| CN101121364A (en) | Viewing-aid blackboard and its manufacturing method and writing method | |
| CN206086177U (en) | Depict drawing board | |
| CN207128450U (en) | A kind of board of education | |
| CN207833463U (en) | One kind being based on the long-range clipboard component of the photosensitive laser of silver bromide | |
| CN203472348U (en) | Blackboard | |
| CN201390059Y (en) | Dust-free vision-aid blackboard | |
| CN204414908U (en) | New type accounting account shows board of education | |
| CN200987473Y (en) | Undazzling copying exercising table | |
| CN202742901U (en) | Blackboard for Chinese language teaching | |
| CN204322835U (en) | Dustless Water-free environment-friendlyurinal Luminous blackboard | |
| CN206678638U (en) | Magnetic blackboard | |
| CN204382919U (en) | A kind of student examination pen | |
| CN201446806U (en) | Multifunctional fluorescent handwriting board | |
| CN203032183U (en) | Novel liquid film writing board | |
| CN201511696U (en) | Multifunctional blackboard | |
| JP3152340U (en) | Illuminated board | |
| CN1760040A (en) | Capable of luminous board for writing | |
| CN213150062U (en) | Novel antiskid waterproof copy piece copybook | |
| CN2784203Y (en) | Optic writing board | |
| CN201895501U (en) | Light-emitting blackboard | |
| CN1023596C (en) | Luminous writing board | |
| CN202373238U (en) | Urban rail vehicle information display | |
| CN202716630U (en) | Luminous backing plate |
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: 20081105 |