CN202923214U - Blackboard for students - Google Patents
Blackboard for students Download PDFInfo
- Publication number
- CN202923214U CN202923214U CN 201220492784 CN201220492784U CN202923214U CN 202923214 U CN202923214 U CN 202923214U CN 201220492784 CN201220492784 CN 201220492784 CN 201220492784 U CN201220492784 U CN 201220492784U CN 202923214 U CN202923214 U CN 202923214U
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- CN
- China
- Prior art keywords
- blackboard
- fixed
- guide rail
- plate body
- upper rail
- 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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- Drawing Aids And Blackboards (AREA)
Abstract
The utility model provides a blackboard for students and belongs to the technical field of teaching appliances. The technical problems of that a mass of chalk ashes can be sucked and not beneficial for the body health of the students and the like in the process of cleaning the blackboard for the students at present. The blackboard for the students comprises a board body in a rectangle shape. One face of the board body is a writing face, and the other face of the board body is fixed with fasteners. An upper guide rail and a lower guide rail are respectively fixed at the upper end and the lower end of the writing face, wherein the upper guide rail and the lower guide rail are parallel to each other. The upper guide rail and the lower guide rail are arranged along the length direction of the board body, and the length of the upper guide rail and the lower guide rail is equal with the length of the board body. A sliding block capable of sliding along the upper guide rail and the lower guide rail is arranged between the upper guide rail and the lower guide rail. A blackboard eraser is fixed on the lower portion of the sliding block. The other end of the blackboard eraser is leaned on the writing face of the board body. The length of the blackboard eraser is equal with the width of the writing face. The sliding block is connected with an actuating mechanism which enables the sliding block to slide back and forth along the upper guide rail and the lower guide rail. The blackboard for the student has the advantages of being capable of automatically cleaning the blackboard and reducing the students sucking into the chalk ashes and the like.
Description
Technical field
The utility model belongs to the teaching aid technical field, relates to a kind of student's blackboard, particularly a kind of student's blackboard with automatic wiping chalk word function.
Background technology
Blackboard is the requirement of school instruction, and teacher writes courseware on blackboard with chalk, so that Students ' Learning.After having a class, blackboard needs the student to wipe clean, for next class is prepared.The student can suck a large amount of chalk dusts in the process that erases the board, be unfavorable for the healthy of student, and simultaneously, the process that erases the board is also relatively required great effort.
Summary of the invention
The purpose of this utility model is to have the problems referred to above for existing technology, has proposed a kind of student's blackboard of the function of wiping chalk word automatically that has.
the purpose of this utility model can realize by following technical proposal: a kind of student's blackboard, the plate body that comprises the shape that is rectangle, the one side of described plate body is writing surface, the another side of described plate body is fixed with some securing members, be fixed with respectively in writing surface upper end and writing surface lower end upper rail and the lower guideway that is parallel to each other, described upper rail and lower guideway are arranged along the length direction of plate body, and upper rail is identical with the length of plate body with lower guideway, being provided with between described upper rail and lower guideway can be along the slide block of upper rail and lower guideway slip, described slide block bottom fixed black blackboard eraser, the writing surface of the described blackboard eraser other end and plate body leans, the length of described blackboard eraser is identical with the width of writing surface, described slide block and one can make it be connected along the actuating unit that upper rail and lower guideway slidably reciprocate.
Plate body is arranged on the metope in classroom by securing member, under the effect of actuating unit, slide block slidably reciprocates, thereby the band blackboard eraser slidably reciprocates, blackboard eraser is contacted with writing surface, blackboard eraser can be wiped clean the letter written with chalk on writing surface in the process of slidably reciprocating, and can solve the student and suck the problem of chalk dust because erasing the board.
In above-mentioned student's blackboard, described actuating unit comprises installing hole, nut, screw mandrel, bearing, installing plate and the motor that is opened in above-mentioned slide block, described installing plate is fixed on the sidepiece place of plate body, described motor is fixed on installing plate, described screw mandrel parallels with above-mentioned upper rail, one end of screw mandrel and the output shaft of motor fix, described nut thread is connected on screw mandrel, described nut wears and is fixed on bearing inner race, and described bearing outer ring is fixed on the hole wall of installing hole.
As another situation, in above-mentioned student's blackboard, described actuating unit comprises installing plate and cylinder, described installing plate is fixed on the sidepiece place of plate body, the cylinder body of described cylinder is fixed on installing plate, the flexible direction of the piston rod of described cylinder parallels with above-mentioned upper rail, and the piston rod of described cylinder is connected mutually with above-mentioned slide block.
In above-mentioned student's blackboard, described securing member is screw, and described screw number is four, and described screw is distributed on four corners of plate body.
In above-mentioned student's blackboard, offer buckling groove on described slide block, above-mentioned blackboard eraser is fixed in buckling groove by the mode of clamping.Change like this blackboard eraser, blackboard eraser can better be wiped clean letter written with chalk.
Compared with prior art, the utility model drives blackboard eraser by actuating unit and slidably reciprocates along writing surface, blackboard eraser is contacted with blackboard, and blackboard eraser can be wiped clean the letter written with chalk on blackboard in the process of slidably reciprocating, and can solve the student and suck the problem of chalk dust because erasing the board; Simultaneously, also can reduce student's labour.
Description of drawings
Fig. 1 is the front view of this student blackboard.
Fig. 2 is the cutaway view of this student blackboard.
In figure, 1, plate body; 2, upper rail; 3, lower guideway; 4, slide block; 5, motor; 6, installing plate; 7, screw mandrel; 8, nut; 9, bearing; 10, blackboard eraser.
The specific embodiment
Embodiment one:
as shown in Figure 1, a kind of student's blackboard, the plate body 1 that comprises the shape that is rectangle, the one side of described plate body 1 is writing surface, the another side of described plate body 1 is fixed with some securing members, be fixed with respectively in writing surface upper end and writing surface lower end upper rail 2 and the lower guideway 3 that is parallel to each other, described upper rail 2 and lower guideway 3 are arranged along the length direction of plate body 1, and upper rail 2 is identical with the length of plate body 1 with lower guideway 3, being provided with between described upper rail 2 and lower guideway 3 can be along the slide block 4 of upper rail 2 and lower guideway 3 slips, described slide block 4 bottom fixed black blackboard erasers 10, the writing surface of described blackboard eraser 10 other ends and plate body 1 leans, the length of described blackboard eraser 10 is identical with the width of writing surface, described slide block 4 and one can make it be connected with the actuating unit that lower guideway 3 slidably reciprocates along upper rail 2.
As shown in Figure 2, described actuating unit comprises installing hole, nut 8, screw mandrel 7, bearing 9, installing plate 6 and the motor 5 that is opened in above-mentioned slide block 4, described installing plate 6 is fixed on the sidepiece place of plate body 1, described motor 5 is fixed on installing plate 6, described screw mandrel 7 parallels with above-mentioned upper rail 2, one end of screw mandrel 7 and the output shaft of motor 5 fix, described nut 8 is threaded on screw mandrel 7, described nut 8 wears and is fixed on bearing 9 inner rings, and described bearing 9 outer rings are fixed on the hole wall of installing hole.
In above-mentioned student's blackboard, described securing member is screw, and described screw number is four, and described screw is distributed on four corners of plate body 1.
In above-mentioned student's blackboard, offer buckling groove on described slide block 4, above-mentioned blackboard eraser 10 is fixed in buckling groove by the mode of clamping.Change like this blackboard eraser 10, blackboard eraser 10 can better be wiped clean letter written with chalk.
Plate body 1 is arranged on the metope in classroom by four screws, motor 5 forward or reverse, screw mandrel 7 is also along with forward or reverse, nut 8 moves around along screw mandrel 7, thereby band movable slider 4 also moves around, and slide block 4 drives blackboard eraser 10 again to be returned to move, and blackboard eraser 10 is contacted with the writing surface of plate body 1, blackboard eraser 10 can be wiped clean the letter written with chalk on writing surface in the process of slidably reciprocating, and can solve the student and suck the problem of chalk dust because erasing the board.
Embodiment two:
content in the present embodiment two is roughly identical with content in embodiment one, difference is that the actuating unit in embodiment one comprises the installing hole that is opened in above-mentioned slide block 4, nut 8, screw mandrel 7, bearing 9, installing plate 6 and motor 5, described installing plate 6 is fixed on the sidepiece place of plate body 1, described motor 5 is fixed on installing plate 6, described screw mandrel 7 parallels with above-mentioned upper rail 2, one end of screw mandrel 7 and the output shaft of motor 5 fix, described nut 8 is threaded on screw mandrel 7, described nut 8 wears and valve fixes on bearing 9 inner rings, described bearing 9 outer rings are fixed on the hole wall of installing hole, to in the present embodiment two, actuating unit comprises installing plate 6 and cylinder, described installing plate 6 is fixed on the sidepiece place of plate body 1, the cylinder body of described cylinder is fixed on installing plate 6, the flexible direction of the piston rod of described cylinder parallels with above-mentioned upper rail 2, and the piston rod of described cylinder is connected mutually with above-mentioned slide block 4.
Claims (5)
1. student's blackboard, the plate body that comprises the shape that is rectangle, the one side of described plate body is writing surface, the another side of described plate body is fixed with some securing members, be fixed with respectively in writing surface upper end and writing surface lower end upper rail and the lower guideway that is parallel to each other, it is characterized in that, described upper rail and lower guideway are arranged along the length direction of plate body, and upper rail is identical with the length of plate body with lower guideway, being provided with between described upper rail and lower guideway can be along the slide block of upper rail and lower guideway slip, described slide block bottom fixed black blackboard eraser, the writing surface of the described blackboard eraser other end and plate body leans, the length of described blackboard eraser is identical with the width of writing surface, described slide block and one can make it be connected along the actuating unit that upper rail and lower guideway slidably reciprocate.
2. student's blackboard according to claim 1, it is characterized in that, described actuating unit comprises installing hole, nut, screw mandrel, bearing, installing plate and the motor that is opened in above-mentioned slide block, described installing plate is fixed on the sidepiece place of plate body, described motor is fixed on installing plate, described screw mandrel parallels with above-mentioned upper rail, one end of screw mandrel and the output shaft of motor fix, described nut thread is connected on screw mandrel, described nut wears and is fixed on bearing inner race, and described bearing outer ring is fixed on the hole wall of installing hole.
3. student's blackboard according to claim 1, it is characterized in that, described actuating unit comprises installing plate and cylinder, described installing plate is fixed on the sidepiece place of plate body, the cylinder body of described cylinder is fixed on installing plate, the flexible direction of the piston rod of described cylinder parallels with above-mentioned upper rail, and the piston rod of described cylinder is connected mutually with above-mentioned slide block.
4. according to claim 1 and 2 or 3 described student's blackboards, is characterized in that, described securing member is screw, and described screw number is four, and described screw is distributed on four corners of plate body.
5. student's blackboard according to claim 1, is characterized in that, offers buckling groove on described slide block, and above-mentioned blackboard eraser is fixed in buckling groove by the mode of clamping.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220492784 CN202923214U (en) | 2012-09-20 | 2012-09-20 | Blackboard for students |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220492784 CN202923214U (en) | 2012-09-20 | 2012-09-20 | Blackboard for students |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202923214U true CN202923214U (en) | 2013-05-08 |
Family
ID=48213208
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220492784 Expired - Fee Related CN202923214U (en) | 2012-09-20 | 2012-09-20 | Blackboard for students |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202923214U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103707700A (en) * | 2013-12-18 | 2014-04-09 | 广州铁路职业技术学院 | Multifunctional automatic blackboard eraser |
| CN103722953A (en) * | 2013-12-26 | 2014-04-16 | 南通大学 | Full-automatic writing blackboard |
| CN106541749A (en) * | 2016-12-06 | 2017-03-29 | 大连交通大学 | Blackboard Automatic Drawing teaching aid |
| CN106585220A (en) * | 2016-12-20 | 2017-04-26 | 张运 | Full-automatic portable multifunctional ruler |
-
2012
- 2012-09-20 CN CN 201220492784 patent/CN202923214U/en not_active Expired - Fee Related
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103707700A (en) * | 2013-12-18 | 2014-04-09 | 广州铁路职业技术学院 | Multifunctional automatic blackboard eraser |
| CN103722953A (en) * | 2013-12-26 | 2014-04-16 | 南通大学 | Full-automatic writing blackboard |
| CN103722953B (en) * | 2013-12-26 | 2017-02-08 | 南通大学 | Full-automatic writing blackboard |
| CN106541749A (en) * | 2016-12-06 | 2017-03-29 | 大连交通大学 | Blackboard Automatic Drawing teaching aid |
| CN106541749B (en) * | 2016-12-06 | 2018-05-15 | 大连交通大学 | Blackboard Automatic Drawing teaching aid |
| CN106585220A (en) * | 2016-12-20 | 2017-04-26 | 张运 | Full-automatic portable multifunctional ruler |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20130508 Termination date: 20140920 |
|
| EXPY | Termination of patent right or utility model |