CN110194015B - Teaching blackboard that prevents dust with supplementary function of erasing - Google Patents
Teaching blackboard that prevents dust with supplementary function of erasing Download PDFInfo
- Publication number
- CN110194015B CN110194015B CN201910538582.1A CN201910538582A CN110194015B CN 110194015 B CN110194015 B CN 110194015B CN 201910538582 A CN201910538582 A CN 201910538582A CN 110194015 B CN110194015 B CN 110194015B
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- CN
- China
- Prior art keywords
- blackboard
- erasing
- space
- sliding
- belt wheel
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B43—WRITING OR DRAWING IMPLEMENTS; BUREAU ACCESSORIES
- B43L—ARTICLES FOR WRITING OR DRAWING UPON; WRITING OR DRAWING AIDS; ACCESSORIES FOR WRITING OR DRAWING
- B43L1/00—Repeatedly-usable boards or tablets for writing or drawing
- B43L1/04—Blackboards
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B43—WRITING OR DRAWING IMPLEMENTS; BUREAU ACCESSORIES
- B43L—ARTICLES FOR WRITING OR DRAWING UPON; WRITING OR DRAWING AIDS; ACCESSORIES FOR WRITING OR DRAWING
- B43L21/00—Blackboard or slate cleaning devices
- B43L21/02—Blackboard or slate cleaning devices with means for absorbing the chalk dust
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B43—WRITING OR DRAWING IMPLEMENTS; BUREAU ACCESSORIES
- B43L—ARTICLES FOR WRITING OR DRAWING UPON; WRITING OR DRAWING AIDS; ACCESSORIES FOR WRITING OR DRAWING
- B43L21/00—Blackboard or slate cleaning devices
- B43L21/04—Wiper holders
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- Drawing Aids And Blackboards (AREA)
Abstract
The invention discloses a teaching dustproof blackboard with an auxiliary erasing function, which comprises support frames which are fixedly arranged on a wall in a bilateral symmetry manner, a first blackboard and a second blackboard are arranged between the support frames, a guide wheel is rotatably arranged on the support frames, the first blackboard and the second blackboard are arranged in a sliding manner in a second sliding space, the second blackboard is pulled downwards and then pushed backwards, the second blackboard can slide upwards along the first sliding space, the first blackboard enters a writing area downwards, the first blackboard and the second blackboard are switched, the influence of dust on people can be greatly reduced, the dust during erasing can be removed by using a suction pump and collected, the dust cannot be scattered randomly, automatic erasing can be realized, the blackboards can be switched, the blackboards cannot shake randomly during writing, and a light supplementing lamp is arranged, the writing content on the blackboard can be seen clearly and conveniently.
Description
Technical Field
The invention relates to the field of teaching aids, in particular to a teaching dustproof blackboard with an auxiliary erasing function.
Background
The blackboard makes the essential teaching instrument that the teaching was used, the kind of present blackboard is various, and use the biggest most economic blackboard of quantity, still traditional chalk hand writing blackboard, this type of blackboard is very nimble when using, and is simple and convenient, and the most main problem is that the dust of chalk is too big, long-time use chalk is write, the powder is inhaled and can be caused harm to human healthy in the human body, when carrying out the chalk word and erasing, when producing the dust most easily, and the chalk dust is accumulated too much after, get rid of very loaded down with trivial details, when needs are erased, it makes the manual erasing to move, can inhale the chalk dust more easily like this, the chalk dust is cleaned very difficultly after falling to ground.
Disclosure of Invention
The invention aims to provide a teaching dustproof blackboard with an auxiliary erasing function, which is used for overcoming the defects in the prior art.
The teaching dustproof blackboard with the auxiliary erasing function comprises support frames which are fixedly arranged on a wall in a bilateral symmetry mode, a first blackboard and a second blackboard are arranged between the left support frame and the right support frame, a switching component capable of switching the first blackboard and the second blackboard is arranged on the support frames, the switching component comprises a second sliding space and a first sliding space which are arranged on the support frames, the second sliding space and the first sliding space are mutually staggered, a connecting rod is fixedly arranged between the left support frame and the right support frame, a sliding box is fixedly arranged on the front side face of the support frames, an erasing component capable of erasing the blackboard is arranged between the sliding box and the connecting rod, the erasing component comprises an erasing box body which is slidably arranged between the sliding box and the connecting rod, and an erasing space is arranged in the erasing box body, it is equipped with the auxiliary wheel to rotate between the inner wall about the space to erase, it still is equipped with the cylinder in the space to erase, the cylinder with the area of erasing that transmission installation can directly erase the blackboard between the auxiliary wheel, it can absorb the filter screen of dust to erase bilateral symmetry fixed mounting on the box trailing flank, it is equipped with the moving part to erase the part downside, the moving part is including setting up the chamber that slides in the sliding box, fixed mounting threaded rod between the inner wall about the chamber that slides, the threaded rod with erase box slidable mounting, it is equipped with the gear chamber in the box to erase, gear chamber internal rotation installation step gear, step gear with threaded rod threaded mounting, step gear rotates and erases the box and removes the chalk word that will exist on the blackboard by the horizontal slip on the threaded rod.
On the basis of the technical scheme, the switching part further comprises a guide wheel and a connecting rope, the guide wheel is rotatably installed on the supporting frame, the first blackboard is slidably installed in the second sliding space, the second blackboard is slidably installed in the first sliding space, and the first blackboard winds the guide wheel and the second blackboard are fixedly connected with each other through the connecting rope.
On the basis of the technical scheme, the light supplementing lamps are symmetrically and fixedly arranged on the supporting frame up and down.
On the basis of the technical scheme, the width in first slip space is compared the width in second slip space is wide, the degree of depth in second slip space is compared the degree of depth in first slip space is dark, first slip space with be equipped with the recess that can make first blackboard and second blackboard chucking on the second slip space, first slip space with be equipped with the kicking block space on the second slip space downside inner wall, sliding installation kicking block in the kicking block space, the kicking block with fixed mounting promotes the spring tightly between the kicking block space.
On the basis of the technical scheme, the erasing component further comprises a belt wheel cavity, a belt wheel shaft, a first belt wheel, a motor, a second belt wheel and a belt, the belt wheel cavity is arranged in the erasing box body, the belt wheel shaft is rotatably arranged between the belt wheel cavity and the erasing space, the belt wheel shaft is fixedly arranged with the roller, the first belt wheel is fixedly arranged on the belt wheel shaft, the motor is fixedly arranged in the inner wall of the left side of the belt wheel cavity, a motor shaft is fixedly connected to an output shaft of the motor, the second belt wheel is fixedly arranged on the motor shaft, and the belt is arranged between the second belt wheel and the first belt wheel in a transmission mode.
On the basis of the technical scheme, the erasing belt is provided with bristles capable of being erased, and the sealing rubber plates are fixedly arranged on the rear side surface of the erasing box body in a bilateral symmetry mode.
On the basis of the technical scheme, the suction pump is arranged in the erasing space, the absorption head is fixedly installed on the inner wall of the front side of the erasing space, the absorption head is communicated with an inlet of the suction pump, the collection box is fixedly installed on the bottom surface of the supporting frame, the collection space is arranged in the collection box, the collection drawer is slidably installed in the collection space, the dust falling plate is fixedly installed on the top wall of the collection space, and the dust falling plate is communicated with an outlet pipe of the suction pump.
On the basis of the technical scheme, the moving part further comprises a gear fixedly mounted on the motor shaft, and the gear is meshed with the stepped gear.
The invention has the beneficial effects that: the blackboard eraser can greatly reduce the influence of dust on people when in erasing, the area when in erasing can be sealed in a space, so that the dust when in erasing can not be diffused in the air, the dust when in erasing can be removed by using the suction pump and collected, the dust can not be scattered randomly, the automatic erasing can be realized, the manual erasing by using a blackboard brush is not needed, the influence of chalk dust on people is effectively reduced, the blackboard can be switched, the writing can not shake randomly when in writing, the writing feeling is improved, the writing content on the blackboard can be conveniently seen, the content can not be clearly seen due to the generated reflection, and the blackboard eraser is worthy of popularization.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed in the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings without creative efforts.
FIG. 1 is a schematic view of the overall structure of the present invention;
FIG. 2 is a schematic sectional view taken along the line A-A in FIG. 1;
FIG. 3 is an enlarged schematic view of the structure at B in FIG. 1;
FIG. 4 is a schematic right-side view of the component support frame 16 of FIG. 1;
FIG. 5 is a schematic sectional view taken along line C-C in FIG. 2;
FIG. 6 is an enlarged schematic view of the structure of FIG. 2 at D;
FIG. 7 is an enlarged schematic view of FIG. 2 at E;
FIG. 8 is a schematic cross-sectional view in the direction F-F in FIG. 4;
fig. 9 is an enlarged schematic view of the structure at G in fig. 4.
Detailed Description
The invention will now be described in detail with reference to fig. 1-8, for the sake of convenience, the orientations described hereinafter being defined as follows: the up, down, left, right, and front-back directions described below correspond to the up, down, left, right, and front-back directions in the projection relationship of fig. 1 itself.
Referring to fig. 1 to 8, a teaching dustproof blackboard with auxiliary erasing function according to an embodiment of the present invention includes support frames 16 fixedly installed on a wall in bilateral symmetry, a first blackboard 17 and a second blackboard 19 are installed between the support frames 16, a switching member 80 capable of switching the first blackboard 17 and the second blackboard 19 is installed on the support frame 16, the switching member 80 includes a second sliding space 29 and a first sliding space 27 installed on the support frame 16, the second sliding space 29 and the first sliding space 27 are mutually staggered, a connecting rod 20 is fixedly installed between the support frames 16, a sliding box 14 is fixedly installed on a front side surface of the support frame 16, an erasing member 81 capable of erasing a blackboard is installed between the sliding box 14 and the connecting rod 20, the erasing member 81 includes an erasing box body 21 slidably installed between the sliding box 14 and the connecting rod 20, it erases space 22 to be equipped with in the box 21, it is equipped with auxiliary wheel 23 to erase to rotate between the space 22 left and right sides inner wall, it still is equipped with cylinder 31 in the space 22 to erase, cylinder 31 with transmission installation can be to the blackboard directly erase between the auxiliary wheel 23 wipe the area 24, it can absorb the filter screen 44 of dust to erase bilateral symmetry fixed mounting on the box 21 trailing flank, it is equipped with moving part 82 to erase part 81 downside, moving part 82 is including setting up the chamber 13 that slides in the sliding box 14, fixed mounting threaded rod 15 between the chamber 13 left and right sides inner wall slides, threaded rod 15 with erase box 21 slidable mounting, it is equipped with gear chamber 39 in the box 21 to erase, gear chamber 39 internal rotation installation step gear 40, step gear 40 with threaded rod 15 threaded mounting, step gear 40 rotates and erases box 21 left side slip will exist the word on the blackboard on 15 threaded rod And (4) wiping off.
In addition, in an embodiment, the switching part 80 further includes a guide wheel 25 rotatably installed on the support frame 16, the first blackboard 17 is slidably installed in the second sliding space 29, the second blackboard 19 is slidably installed in the first sliding space 27, the first blackboard 17 winds the guide wheel 25 and the rope 26 fixedly connected and connected between the second blackboard 19, the second blackboard 19 is pulled downwards at first, the second blackboard 19 is pushed backwards, the second blackboard 19 can be enabled to slide upwards along the first sliding space 27, the first blackboard 17 enters a writing area downwards, and the two blackboards of the first blackboard 17 and the second blackboard 19 are switched.
In addition, in one embodiment, the light supplement lamps 28 are symmetrically and fixedly installed on the supporting frame 16 up and down, and the light supplement lamps 28 can supplement light for the first blackboard 17 and the second blackboard 19, so that the blackboards are prevented from being not seen clearly due to reflection of light.
In addition, in one embodiment, the width of the first sliding space 27 is wider than the width of the second sliding space 29, the depth of the second sliding space 29 is deeper than that of the first sliding space 27, grooves capable of clamping the first blackboard 17 and the second blackboard 19 are arranged on the first sliding space 27 and the second sliding space 29, a top block space 48 is provided on the inner wall of the lower side of the first sliding space 27 and the second sliding space 29, a top block 50 is arranged in the top block space 48 in a sliding way, a pushing spring 49 is fixedly arranged between the top block 50 and the top block space 48, when the first blackboard 17 or the second blackboard 19 is switched to write, the first blackboard 17 or the second blackboard 19 can be clamped with the groove on the first sliding space 27 or the second sliding space 29, and the top block space 48 pushes the top block 50 to clamp the first blackboard 17 or the second blackboard 19.
In addition, in one embodiment, the erasing part 81 further includes a pulley chamber 33 disposed in the erasing box 21, a pulley shaft 32 is rotatably installed between the pulley chamber 33 and the erasing space 22, the pulley shaft 32 is fixedly installed with the roller 31, a first pulley 34 is fixedly installed on the pulley shaft 32, a motor 38 is fixedly installed in the inner wall of the left side of the pulley chamber 33, a motor shaft 36 is fixedly connected to the output shaft of the motor 38, a second pulley 37 is fixedly installed on the motor shaft 36, a belt 35 is installed between the second pulley 37 and the first pulley 34 in a transmission manner, the motor 38 is started, the motor 38 drives the second pulley 37 to rotate, the second pulley 37 rotates to drive the first pulley 34 to rotate, the first pulley 34 rotates to drive the roller 31 to rotate, and the roller 31 rotates to drive the erasing belt 24 to erase.
In addition, in one embodiment, the erasing belt 24 is provided with erasable bristles, the rear side surface of the erasing box 21 is fixedly provided with sealing rubber plates 43 in a bilateral symmetry manner, and the sealing rubber plates 43 can prevent dust from diffusing out when the erasing belt 24 is erased.
In addition, in one embodiment, a suction pump 52 is disposed in the erasing space 22, an absorption head 45 is fixedly mounted on the inner wall of the front side of the erasing space 22, the absorption head 45 is communicated with an inlet of the suction pump 52, a collection box 10 is fixedly mounted on the bottom surface of the supporting frame 16, a collection space 30 is disposed in the collection box 10, a collection drawer 11 is slidably mounted in the collection space 30, a dustfall plate 47 is fixedly mounted on the top wall of the collection space 30, an output pipe 51 is communicated between the dustfall plate 47 and an outlet of the suction pump 52, so that when erasing is performed, the suction pump 52 is started, the suction pump 52 absorbs dust on the erasing belt 24, the dust is conveyed into the collection space 30 through the output pipe 51, and the dustfall plate 47 enables the dust to settle down.
In addition, in one embodiment, the moving part 82 further includes a gear 41 fixedly installed on the motor shaft 36, the gear 41 is meshed with the step gear 40, so that when erasing is performed, the motor 38 is started, the motor 38 can drive the gear 41 to rotate, the gear 41 rotates to drive the step gear 40 to rotate, and the step gear 40 rotates to move the erasing box 21 left and right on the threaded rod 15, so as to erase the blackboard anywhere.
When in use: firstly, the second blackboard 19 is pulled downwards, then the second blackboard 19 is pushed backwards, the second blackboard 19 can slide upwards along the first sliding space 27, the first blackboard 17 enters a writing area downwards, the first blackboard 17 and the second blackboard 19 are switched, when the first blackboard 17 or the second blackboard 19 is switched to write, the first blackboard 17 or the second blackboard 19 and a groove on the first sliding space 27 or the second sliding space 29 can be clamped, the top block space 48 pushes the top block 50 to enable the first blackboard 17 or the second blackboard 19 to be clamped tightly, the light supplement lamp 28 can supplement light for the first blackboard 17 and the second blackboard 19, and the blackboards are prevented from being not seen clearly due to light reflection,
when chalk characters need to be erased, the motor 38 is started, the motor 38 drives the second belt wheel 37 to rotate, the second belt wheel 37 rotates to drive the first belt wheel 34 to rotate, the first belt wheel 34 rotates to drive the roller 31 to rotate, the roller 31 rotates to drive the erasing belt 24 to erase, the motor 38 can drive the gear 41 to rotate, the gear 41 rotates to drive the step gear 40 to rotate, the step gear 40 rotates to enable the erasing box body 21 to move left and right on the threaded rod 15, so that any place of the blackboard can be erased, when erasing is conducted, the suction pump 52 is started, the suction pump 52 absorbs dust on the erasing belt 24 and transmits the dust to the collecting space 30 through the output pipe 51, the dust is settled through the dust settling plate 47, and the sealing rubber plate 43 can prevent the dust from diffusing out when the erasing belt 24 is erased.
The invention has the beneficial effects that: the blackboard eraser can greatly reduce the influence of dust on people when in erasing, the area when in erasing can be sealed in a space, so that the dust when in erasing can not be diffused in the air, the dust when in erasing can be removed by using the suction pump and collected, the dust can not be scattered randomly, the automatic erasing can be realized, the manual erasing by using a blackboard brush is not needed, the influence of chalk dust on people is effectively reduced, the blackboard can be switched, the writing can not shake randomly when in writing, the writing feeling is improved, the writing content on the blackboard can be conveniently seen, the content can not be clearly seen due to the generated reflection, and the blackboard eraser is worthy of popularization.
It will be apparent to those skilled in the art that various modifications may be made to the above embodiments without departing from the general spirit and concept of the invention. All falling within the scope of protection of the present invention. The protection scheme of the invention is subject to the appended claims.
Claims (1)
1. The utility model provides a teaching blackboard that prevents dust with supplementary function of erasing, includes bilateral symmetry fixed mounting's carriage on the wall, its characterized in that: a first blackboard and a second blackboard are arranged between the left support frame and the right support frame, a switching component capable of switching the first blackboard and the second blackboard is arranged on the support frames, the switching component comprises a second sliding space and a first sliding space which are arranged on the support frames, the second sliding space and the first sliding space are mutually staggered, a connecting rod is fixedly arranged between the left support frame and the right support frame, a sliding box is fixedly arranged on the front side surface of the support frames, and an erasing component capable of erasing the blackboards is arranged between the sliding box and the connecting rod;
the erasing component comprises an erasing box body which is slidably arranged between the sliding box and the connecting rod, an erasing space is arranged in the erasing box body, an auxiliary wheel is rotatably arranged between the left inner wall and the right inner wall of the erasing space, a roller is also arranged in the erasing space, an erasing belt which can directly erase the blackboard is arranged between the roller and the auxiliary wheel in a transmission way, filter screens which can absorb dust are fixedly arranged on the rear side surface of the erasing box body in a bilateral symmetry way, and a moving component is arranged on the lower side of the erasing component;
the movable part comprises a sliding cavity arranged in the sliding box, a threaded rod is fixedly arranged between the left inner wall and the right inner wall of the sliding cavity, the threaded rod is slidably arranged with the erasing box body, a gear cavity is arranged in the erasing box body, a step gear is rotatably arranged in the gear cavity, the step gear is in threaded arrangement with the threaded rod, and the step gear rotates to erase the chalk characters on the blackboard by sliding the erasing box body on the threaded rod left and right;
the switching component further comprises a guide wheel and a connecting rope, the guide wheel is rotatably mounted on the supporting frame, the first blackboard is slidably mounted in the second sliding space, the second blackboard is slidably mounted in the first sliding space, and the first blackboard is fixedly connected with the connecting rope around the guide wheel and the second blackboard;
the light supplementing lamps are symmetrically and fixedly arranged on the supporting frame from top to bottom;
the width of the first sliding space is wider than that of the second sliding space, the depth of the second sliding space is deeper than that of the first sliding space, grooves capable of clamping a first blackboard and a second blackboard are arranged on the first sliding space and the second sliding space, ejector block spaces are arranged on the inner walls of the lower sides of the first sliding space and the second sliding space, ejector blocks are installed in the ejector block spaces in a sliding mode, and pushing springs are fixedly installed between the ejector blocks and the ejector block spaces;
the erasing component further comprises a belt wheel cavity, a belt wheel shaft, a first belt wheel, a motor, a second belt wheel and a belt, the belt wheel cavity is arranged in the erasing box body, the belt wheel shaft is rotatably arranged between the belt wheel cavity and the erasing space, the belt wheel shaft is fixedly arranged with the roller, the first belt wheel is fixedly arranged on the belt wheel shaft, the motor is fixedly arranged in the inner wall of the left side of the belt wheel cavity, a motor shaft is fixedly connected to the output shaft of the motor, the second belt wheel is fixedly arranged on the motor shaft, and the belt is arranged between the second belt wheel and the first belt wheel in a transmission way;
the erasing belt is provided with bristles which can be erased, and the rear side surface of the erasing box body is fixedly provided with sealing rubber plates in a bilateral symmetry mode;
the dust-removing device is characterized in that a suction pump is arranged in the erasing space, an absorption head is fixedly mounted on the inner wall of the front side of the erasing space and communicated with an inlet of the suction pump, a collection box is fixedly mounted on the bottom surface of the supporting frame, a collection space is arranged in the collection box, a collection drawer is slidably mounted in the collection space, a dust-removing plate is fixedly mounted on the top wall of the collection space, and an output pipe is communicated between the dust-removing plate and an outlet of the suction pump;
the moving part further comprises a gear fixedly mounted on the motor shaft, and the gear is meshed with the stepped gear.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910538582.1A CN110194015B (en) | 2019-06-20 | 2019-06-20 | Teaching blackboard that prevents dust with supplementary function of erasing |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910538582.1A CN110194015B (en) | 2019-06-20 | 2019-06-20 | Teaching blackboard that prevents dust with supplementary function of erasing |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN110194015A CN110194015A (en) | 2019-09-03 |
| CN110194015B true CN110194015B (en) | 2020-12-11 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910538582.1A Expired - Fee Related CN110194015B (en) | 2019-06-20 | 2019-06-20 | Teaching blackboard that prevents dust with supplementary function of erasing |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN110194015B (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111439055A (en) * | 2020-04-27 | 2020-07-24 | 陆娟 | Blackboard structure capable of automatically erasing handwriting |
| CN111845168A (en) * | 2020-07-12 | 2020-10-30 | 王威 | Dust self-suction blackboard for teaching |
Family Cites Families (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH11268479A (en) * | 1998-03-19 | 1999-10-05 | Toshiba Tec Corp | Electronic blackboard with erasing function |
| CN2792816Y (en) * | 2004-12-27 | 2006-07-05 | 张振隆 | Automatic roller blackboard eraser |
| CN102029845B (en) * | 2010-12-20 | 2012-10-03 | 绍兴文理学院 | Self-erasure environmental-friendly blackboard |
| CN201989491U (en) * | 2011-03-28 | 2011-09-28 | 刘延兴 | Blackboard erasing device |
| CN103692826B (en) * | 2013-12-16 | 2015-08-26 | 华南理工大学 | A kind of front and back transposition lift fast wipes the blackboard of dust |
| CN206644536U (en) * | 2016-12-21 | 2017-11-17 | 安徽工程大学机电学院 | A kind of Dual-layer blackboard cleaning device |
| CN108263128B (en) * | 2018-03-20 | 2019-11-15 | 创智汇晶知识产权运营(苏州)有限公司吴中经济开发区分公司 | A kind of automatic cleaning blackboard of Language education |
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2019
- 2019-06-20 CN CN201910538582.1A patent/CN110194015B/en not_active Expired - Fee Related
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| Publication number | Publication date |
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| CN110194015A (en) | 2019-09-03 |
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