CN110154600A - It erases the board and uses auxiliary device - Google Patents
It erases the board and uses auxiliary device Download PDFInfo
- Publication number
- CN110154600A CN110154600A CN201910470377.6A CN201910470377A CN110154600A CN 110154600 A CN110154600 A CN 110154600A CN 201910470377 A CN201910470377 A CN 201910470377A CN 110154600 A CN110154600 A CN 110154600A
- Authority
- CN
- China
- Prior art keywords
- connecting plate
- board
- fixed
- shaft
- auxiliary device
- 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.)
- Pending
Links
- 241000883990 Flabellum Species 0.000 claims abstract description 15
- 239000004744 fabric Substances 0.000 claims abstract description 8
- 238000010943 off-gassing Methods 0.000 claims description 4
- 231100001261 hazardous Toxicity 0.000 abstract description 3
- 210000001747 pupil Anatomy 0.000 abstract description 3
- 239000000428 dust Substances 0.000 description 25
- 238000000034 method Methods 0.000 description 6
- 238000004140 cleaning Methods 0.000 description 4
- 230000000694 effects Effects 0.000 description 4
- 230000008569 process Effects 0.000 description 4
- 230000000903 blocking effect Effects 0.000 description 2
- 238000011084 recovery Methods 0.000 description 2
- 241001075561 Fioria Species 0.000 description 1
- 230000009471 action Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 244000309464 bull Species 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 238000009792 diffusion process Methods 0.000 description 1
- 239000011521 glass Substances 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000000843 powder Substances 0.000 description 1
- 238000010092 rubber production Methods 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 239000007858 starting material Substances 0.000 description 1
Classifications
-
- 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
-
- 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
Landscapes
- Cleaning In General (AREA)
Abstract
The invention belongs to stationery sports goods fields, it specifically discloses one kind to erase the board with auxiliary device, including telescopic rod and is mounted on the connecting plate of telescopic rod end, connecting plate is equipped with groove far from the one side of telescopic rod, the open end of groove is fixed with connection sheet, and the bristle for erasing the board is fixed in connection sheet；Shaft is rotatably connected on connecting plate, shaft is inserted into connecting plate and is rotatablely connected with connecting plate, and the part that shaft is located in connecting plate is distributed along the circumference with flabellum, and the central axes of flabellum length direction are tilted with respect to the central axes of shaft；Connection sheet is equipped with several through-holes, and connecting plate is equipped with several stomatas, is fixed with the filter cloth that can block whole stomatas in connecting plate.Using the solution of the present invention, it can solve since pupil's height is limited, the person's handwriting of higher position can not be wiped, generally require standing and wiped on stool, relatively hazardous problem.
Description
Technical field
The invention belongs to stationery sports goods field, and in particular to one kind, which erases the board, uses auxiliary device.
Background technique
Blackboard is not to refer in particular to the plate face of black, said in traditional sense blackboard refer to for impart knowledge to students and can repeated writing put down
Face uses glass system blackboard in teaching at present more.Teachers ' teaching content is more, therefore inevitably has in teaching process
More teacher's writing on the blackboard process, teacher carry out writing on the blackboard using chalk and then need when not needing the writing on the blackboard by the writing on blackboard
It wipes, more dust can be generated in erase process.Erasing out handwriting is typically all student's operation at present, but on primary school classroom,
Since pupil's height is limited, the person's handwriting of higher position can not be wiped, standing is generally required and is wiped on stool, it is relatively hazardous.
Summary of the invention
The purpose of the present invention is to provide one kind to erase the board with auxiliary device, to solve since pupil's height is limited, nothing
Method wipes the person's handwriting of higher position, generally requires standing and wipes on stool, relatively hazardous problem.
In order to achieve the above objectives, base case of the invention are as follows: erase the board with auxiliary device, including telescopic rod and installation
In the connecting plate of telescopic rod end, connecting plate is equipped with groove far from the one side of telescopic rod, and the open end of groove is fixed with connection sheet,
The bristle for erasing the board is fixed in connection sheet；Connecting plate is equipped with shaft, and shaft is inserted into connecting plate and is turned with connecting plate
Dynamic connection, the part that shaft is located in connecting plate are distributed along the circumference with flabellum, and the central axes of flabellum length direction are with respect to shaft
Central axes inclination；Connection sheet is equipped with several through-holes, is equipped with several stomatas close to the one side of telescopic rod on connecting plate, in connecting plate
It is fixed with the filter cloth that whole stomatas can be blocked.
The working principle and beneficial effect of this base case are:
1, telescopic rod is installed on connecting plate, by the flexible of telescopic rod, connecting plate can be made to be located at higher position, help
The limited user of height wipes the writing of higher position.
2, when erasing the board, so that shaft rotates forward, flabellum is rotated with shaft so that air-flow is from one side of bristle to connecting plate
Interior movement is simultaneously from the stomata discharge on connecting plate, i.e., air-breathing is by the dust absorbing to groove of generation into connecting plate for flabellum, powder
Dirt can not be discharged by the blocking of filter cloth from stomata, and since through hole is in negative pressure state at this time, dust can not also be discharged from through-hole,
By collecting in dust absorbing to groove, the environment to erase the board is improved.
After wiping blackboard, the present apparatus is placed at dustbin so that shaft rotates backward, flabellum rotate so that air-flow from
It is moved in connecting plate to bristle side, air-flow blows the dust in groove and is discharged in dustbin by through-hole, simultaneously because brush
Hair one is side-blown, and air-flow can also blow down the dust being adhered on bristle, completes the processing to dust.
Further, connection sheet is elastic piece.
The utility model has the advantages that setting elastic piece, unstable due to air-flow air pressure when flabellum rotates forward or rotates backward
Property, the active force of air-flow drives elastic piece to bounce or reset, and elastic piece drives bristle to generate certain shake during moving,
The case where reducing the bristle for having dust adhesion caused by bristle more difficult cleaning.
Further, shaft is located at the end in connecting plate equipped with spiral cam path, the company of slidably connecting in cam path
Bar, connecting rod are fixed in connection sheet far from one end of cam path.
The utility model has the advantages that cam path and connecting rod form cam structure, when cam path is rotated with shaft, connecting rod does lateral cunning
It moves, connecting rod drives connection sheet movement, and compared to only connection sheet is moved using air pressure change, the setting of this programme increases connection
The degree of jitter of piece, and make the shake of connection sheet more stable, the effect that dust is shaken off from bristle is more preferable.
Further, trapezoidal plate, connection in the middle part of the long side and connecting plate of trapezoidal plate are further fixed between connecting plate and telescopic rod.
The utility model has the advantages that increase telescopic rod and connecting plate connection area, when gripping point of the connecting plate away from user farther out when,
More stable dynamics can also be applied on connecting plate.
Further, trapezoidal plate and connecting plate are hinged.
The utility model has the advantages that when in use, connecting plate needs opposite blackboard parallel, it may make that trapezoidal plate is opposite by hinged mode
Connecting plate deflection, it is more convenient to use.
Further, elastic component, trapezoidal plate downside and connecting plate lower part are fixed between on the upside of trapezoidal plate and connecting plate top
Between be also fixed with elastic component.
The utility model has the advantages that can be increased when connecting plate and trapezoidal plate deflect relatively by the recovery pulling force or elastic force of elastic component
The connective stability of connecting plate and trapezoidal plate.
Further, it is located on connecting plate on the outside of bristle and is fixed with circular cowling.
The utility model has the advantages that, if chalk dust cannot be absorbed by suction hole completely, can be kept off by circular cowling when wiping blackboard
Firmly dust splashes outward, improves environment.
Further, circular cowling is fixed with rubber ring far from the side of connecting plate.
The utility model has the advantages that circular cowling is inevitably and blackboard generates friction when wiping blackboard, according to the wearability of rubber ring, prolong
The service life of long circular cowling.
Further, elastic component is bellows, and bellows is equipped with air inlet and air outlet, is equipped with air inlet list in air inlet
To valve, outgassing nonreturn valve is installed in gas outlet, gas outlet is connected to circular cowling.
The utility model has the advantages that elastic component is stretched or is shunk, air-breathing or exhaust in bellows when trapezoidal plate is deflected with respect to connecting plate,
The gas being discharged in bellows enters in circular cowling, and gas blows the shake of the bristle in circular cowling, is further reduced and is adhered to brush
Dust on hair.
Further, shaft is located at the end in connecting plate equipped with spiral cam path, the company of slidably connecting in cam path
Bar, link sidewalls are fixed with support rod, and support rod, which slides laterally, is connected to recess sidewall；The one end of connecting rod far from cam path is hinged
There are two deflecting bars, two deflecting bars are respectively hinged at connection sheet upper and lower part.
Driven the utility model has the advantages that connecting rod does lateral sliding according to the characteristic of cam structure, when connecting rod slides laterally two partially
Bull stick is close to each other or is located remotely from each other, and then connection sheet is moved with deflecting bar, and part of the connection sheet between deflecting bar generates
Far from blackboard or close to the movement of blackboard, other positions of connection sheet drive bristle vertically to generate reciprocal friction to blackboard,
It is more preferable to the cleaning effect of blackboard.
Detailed description of the invention
Fig. 1 is the side sectional view of the embodiment of the present invention 1；
Fig. 2 is the positive cross-sectional view of telescopic rod in Fig. 1；
Fig. 3 is the side sectional view of the embodiment of the present invention 2；
Fig. 4 is the enlarged drawing of part A in Fig. 3.
Specific embodiment
It is further described below by specific embodiment:
Appended drawing reference in Figure of description includes: groove 1, shaft 2, flabellum 3, bristle 4, circular cowling 5, trapezoidal plate 6, stretches
Contracting bar 7, connecting rod 8, connecting plate 9, stomata 10, through-hole 11, connection sheet 12, spring 13, deflecting bar 14, sleeve 15, slide bar 16, bolt
17。
Embodiment 1
It is erased the board as shown in Figure 1: with auxiliary device, including telescopic rod 7 and is mounted on the connecting plate 9 of 7 end of telescopic rod,
As shown in connection with fig. 2, telescopic rod 7 is specifically configured to: telescopic rod 7 includes sleeve 15 and the slide bar being slidably connected in sleeve 15
16, sleeve 15 is stretched out in 16 one end of slide bar, and sleeve 15 is threaded with bolt 17 on one end side wall of slide bar 16, and bolt 17 revolves
Enter into sleeve 15, when bolt 17, which is screwed into, to be pushed against with slide bar 16, realize locking of the slide bar 16 in sleeve 15, when bolt 17 is remote
When from slide bar 16, slide bar 16 can slide in sleeve 15.
The specific mounting means of telescopic rod 7 and connecting plate 9 are as follows: being further fixed on cross section between connecting plate 9 and telescopic rod 7 is
Trapezoidal trapezoidal plate 6, the long side of trapezoidal plate 6 and 9 middle part of connecting plate are hinged, by the way that trapezoidal plate 6 is arranged, increase telescopic rod 7 and connects
The connection area of fishplate bar 9, when gripping point of the connecting plate 9 away from user farther out when, more stable dynamics can also be applied and connected
On plate 9.Trapezoidal plate 6 and connecting plate 9 are hinged, and connecting plate 9 is facilitated to deflect with respect to trapezoidal plate 6.The upper and lower two sides of trapezoidal plate 6 and connection
It is respectively fixed with elastic component between plate 9, i.e., is fixed with elastic component, trapezoidal plate 6 between 6 upside of trapezoidal plate and 9 top of connecting plate
Downside and connecting plate are also fixed with elastic component between 9 lower part, and elastic component selects spring 13, connecting plate 9 and trapezoidal in the present embodiment
When plate 6 deflects relatively, the connective stability of connecting plate 9 and trapezoidal plate 6 can be increased by the recovery pulling force or elastic force of elastic component.
Connecting plate 9 is equipped with groove 1 far from the one side of telescopic rod 7, and the open end of groove 1 is fixed with connection sheet 12, connection sheet
12 be elastic piece, and specific connection sheet 12 selects rubber production.It is fixed with the bristle 4 for erasing the board in connection sheet 12, connects
It is located on the outside of bristle 4 on plate 9 and is fixed with circular cowling 5, circular cowling 5 is fixed with rubber ring far from the side of connecting plate 9.
It is rotatably connected to shaft 2 on connecting plate 9, motor is further fixed on connecting plate 9, the output shaft and shaft 2 of motor are solid
It is fixed, it can the rotation of drive shaft 2 by motor.Shaft 2 is inserted into connecting plate 9, and shaft 2 is located at the part in connecting plate 9 circumferentially
It is evenly equipped with flabellum 3, the central axes of 3 length direction of flabellum are tilted with respect to the central axes of shaft 2；Connection sheet 12 is equipped with several through-holes
11,9 right side of connecting plate is equipped with several stomatas 10, is fixed with the filter cloth that can block whole stomatas 10, filter cloth in connecting plate 9
For stopping dust to be discharged, but filter cloth can not hinder gas to flow.
Specific implementation process is as follows:
Telescopic rod 7 is installed on connecting plate 9, by the flexible of telescopic rod 7, connecting plate 9 can be made to be located at higher position, is helped
The limited user of height is helped to wipe the person's handwriting of higher position.When erasing the board, starter motor, motor drive shaft 2 is rotated forward, fan
Leaf 3 is rotated with shaft 2 so that air-flow flows from left to right, i.e., flabellum 3 into connecting plate 9 air-breathing by the dust absorbing of generation to recessed
In slot 1, dust can not be discharged by the blocking of filter cloth from stomata 10.
The rotation of shaft 2 also drives cam path rotation, and cam path and connecting rod 8 form cam structure, and cam path is rotated with shaft 2
When, connecting rod 8 does lateral sliding, and connecting rod 8, which drives, generates lateral movement in the middle part of connection sheet 12, since connection sheet 12 is elasticity
Vibration is also pullled at piece, other positions of connection sheet 12, and dust is shaken off from bristle 4, easily facilitates dust and is inhaled into groove 1
It is interior or dust is fallen, avoid the feelings of dust adhesion more difficult cleaning when especially dust adhesion is in bristle root on bristle
Condition, and circular cowling is provided in the application can also avoid dust to external diffusion when bristle is shaken.
After wiping blackboard, the present apparatus is placed at dustbin, motor drive shaft 2 rotates backward, flabellum 3 rotate so that
Air-flow moves from right to left, and air-flow blows the dust in groove 1 and is discharged in dustbin by through-hole 11, while air-flow can also incite somebody to action
The dust being adhered on bristle 4 is blown down, and the processing to dust is completed.
Embodiment 2
The present embodiment and the difference of embodiment 1 are: the setting of elastic component and connecting rod 8 is different.Specifically, in conjunction with Fig. 3 institute
Show, elastic component is bellows, and bellows is equipped with air inlet and air outlet, is equipped with breather check valve, gas outlet in air inlet
Outgassing nonreturn valve is inside installed, when ripple intraductal atmospheric pressure increases, the gas in bellows is discharged by outgassing nonreturn valve, works as wave
When air pressure in line pipe reduces, ambient atmos are added in bellows by breather check valve, and two gas outlets are equal and circular cowling 5
It is connected to by pipeline.When trapezoidal plate 6 is deflected with respect to connecting plate 9, elastic component (i.e. bellows) is stretched or is shunk, and then in bellows
Air pressure changes, bellows air-breathing or exhaust, and the gas being discharged in bellows enters in circular cowling 5, and gas blows circular cowling
Bristle 4 in 5 is shaken, and the dust being adhered on bristle 4 is further reduced.
As shown in connection with fig. 4, shaft 2 is located at the end in connecting plate 9 equipped with spiral cam path, and the interior sliding of cam path connects
It is connected to connecting rod 8,8 side wall of connecting rod is fixed with support rod (not shown), and support rod, which slides laterally, is connected to 1 side wall of groove.Even
Bar 8 is hinged with two deflecting bars 14 far from one end of cam path, and two deflecting bars 14 are respectively hinged at 12 top of connection sheet under
Portion.In use, connecting rod 8 does lateral sliding when cam path is rotated with shaft 2, and when connecting rod 8 moves right, two deflecting bars 14
Close to each other, when connecting rod 8 moves downward, two deflecting bars 14 are located remotely from each other, and drive connection sheet 12 to move by deflecting bar 14, even
The part that contact pin 12 is located between two deflecting bars 14 horizontally generates movement, and then pulls 12 other parts of connection sheet and exist
Vertical upper generate moves, so that bristle 4 vertically generates reciprocal friction to blackboard, it is more preferable to the cleaning effect of blackboard.
What has been described above is only an embodiment of the present invention, and the common sense such as well known specific structure and characteristic are not made herein in scheme
Excessive description.It, without departing from the structure of the invention, can be with it should be pointed out that for those skilled in the art
Several modifications and improvements are made, these also should be considered as protection scope of the present invention, these all will not influence what the present invention was implemented
Effect and patent practicability.
Claims (10)
1. erasing the board with auxiliary device, it is characterised in that: including telescopic rod and be mounted on the connecting plate of telescopic rod end, connection
Plate is equipped with groove far from the one side of telescopic rod, and the open end of groove is fixed with connection sheet, is fixed in connection sheet for erasing the board
Bristle；Connecting plate is equipped with shaft, and shaft is inserted into connecting plate and is rotatablely connected with connecting plate, and shaft is located in connecting plate
Part is distributed along the circumference with flabellum, and the central axes of flabellum length direction are tilted with respect to the central axes of shaft；If connection sheet is equipped with
Dry through-hole is equipped with several stomatas close to the one side of telescopic rod on connecting plate, and whole stomatas can be blocked by being fixed in connecting plate
Filter cloth.
2. according to claim 1 erase the board with auxiliary device, it is characterised in that: the connection sheet is elastic piece.
3. according to claim 2 erase the board with auxiliary device, it is characterised in that: the shaft is located at the end in connecting plate
Portion is equipped with spiral cam path, slidably connects connecting rod in cam path, connecting rod is fixed on connection sheet far from one end of cam path
On.
4. according to claim 1 erase the board with auxiliary device, it is characterised in that: between the connecting plate and telescopic rod also
It is fixed with trapezoidal plate, connection in the middle part of the long side and connecting plate of trapezoidal plate.
5. according to claim 4 erase the board with auxiliary device, it is characterised in that: the trapezoidal plate and connecting plate are hinged.
6. according to claim 5 erase the board with auxiliary device, it is characterised in that: on the upside of the trapezoidal plate and on connecting plate
It is fixed with elastic component between portion, is also fixed with elastic component between connecting plate lower part on the downside of trapezoidal plate.
7. according to claim 6 erase the board with auxiliary device, it is characterised in that: be located on the outside of bristle on the connecting plate
It is fixed with circular cowling.
8. according to claim 7 erase the board with auxiliary device, it is characterised in that: the circular cowling far from connecting plate one
Side is fixed with rubber ring.
9. according to claim 7 erase the board with auxiliary device, it is characterised in that: the elastic component is bellows, ripple
Pipe is equipped with air inlet and air outlet, is equipped with breather check valve in air inlet, outgassing nonreturn valve, outlet are equipped in gas outlet
Mouth is connected to circular cowling.
10. according to claim 2 erase the board with auxiliary device, it is characterised in that: the shaft is located in connecting plate
End is equipped with spiral cam path, and connecting rod is slidably connected in cam path, and link sidewalls are fixed with support rod, and support rod is lateral
It is slidably connected at recess sidewall；Connecting rod is hinged with two deflecting bars far from one end of cam path, and two deflecting bars are respectively hinged at
Connection sheet upper and lower part.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910470377.6A CN110154600A (en) | 2019-05-31 | 2019-05-31 | It erases the board and uses auxiliary device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910470377.6A CN110154600A (en) | 2019-05-31 | 2019-05-31 | It erases the board and uses auxiliary device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN110154600A true CN110154600A (en) | 2019-08-23 |
Family
ID=67630875
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910470377.6A Pending CN110154600A (en) | 2019-05-31 | 2019-05-31 | It erases the board and uses auxiliary device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN110154600A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113665271A (en) * | 2021-08-31 | 2021-11-19 | 百色学院 | Display device for Chinese professional linguistics course |
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| CN204641207U (en) * | 2015-05-29 | 2015-09-16 | 曹颖颖 | Dust-proof blackboard eraser |
| CN205185678U (en) * | 2015-11-10 | 2016-04-27 | 苗田田 | Chalk eraser |
| CN205890331U (en) * | 2016-06-02 | 2017-01-18 | 武卓星 | Can receive blackboard brush of chalk dust |
| CN106799912A (en) * | 2017-03-03 | 2017-06-06 | 安徽师范大学 | Telescopic blackboard eraser |
| CN207088804U (en) * | 2017-03-06 | 2018-03-13 | 李珏 | A kind of hand-held automatic dust-absorbing blackboard is wiped |
| CN107415544A (en) * | 2017-05-23 | 2017-12-01 | 昌邑市创通电子科技有限公司 | One kind teaching special-purpose multifunctional blackboard eraser |
| CN108297584A (en) * | 2017-12-28 | 2018-07-20 | 广州华夏职业学院 | A kind of classroom special efficient automatic dust-absorbing type blackboard eraser |
| CN108973431A (en) * | 2018-08-23 | 2018-12-11 | 东莞市史雷帝三维数控科技有限公司 | Intelligent teaching aid device is used in english teaching |
| CN109026794A (en) * | 2018-10-31 | 2018-12-18 | 重庆市兴林电器有限公司 | Automatically the electric fan cleaned |
| CN109228753A (en) * | 2018-11-28 | 2019-01-18 | 辽宁科技学院 | A kind of teaching chalk writing erasing apparatus |
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| CN113665271A (en) * | 2021-08-31 | 2021-11-19 | 百色学院 | Display device for Chinese professional linguistics course |
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Application publication date: 20190823 |