CN103204023B - Dust absorption spray type blackboard eraser - Google Patents

Dust absorption spray type blackboard eraser Download PDF

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Publication number
CN103204023B
CN103204023B CN201310150789.4A CN201310150789A CN103204023B CN 103204023 B CN103204023 B CN 103204023B CN 201310150789 A CN201310150789 A CN 201310150789A CN 103204023 B CN103204023 B CN 103204023B
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CN
China
Prior art keywords
dust
blackboard
blackboard eraser
motor
wiping
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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
Application number
CN201310150789.4A
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Chinese (zh)
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CN103204023A (en
Inventor
刘江山
余光伟
昌海培
肖�琳
刘东晓
李琳
黄正隆
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University of Shanghai for Science and Technology
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University of Shanghai for Science and Technology
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Publication date
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Priority to CN201310150789.4A priority Critical patent/CN103204023B/en
Publication of CN103204023A publication Critical patent/CN103204023A/en
Application granted granted Critical
Publication of CN103204023B publication Critical patent/CN103204023B/en
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

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Abstract

The invention discloses a kind of Dust absorption spray type blackboard eraser, the inner surface side of blackboard eraser wiping surface shell body is provided with the spray chamber and dust-storage chamber that are fixedly connected with, spray chamber next-door neighbour blackboard eraser wiping surface shell body, suction port on the outer surface of blackboard eraser wiping surface shell body and hairbrush cross-distribution, dust absorption fan and dust sucting motor is provided with in dust-storage chamber, hairbrush is when blackboard wiping, dust sucting motor obtains signal to start to rotate, driving dust absorption fan rotates, and sucks in dust-storage chamber by the dust got off from wiping on blackboard by suction port; At least nozzle is provided with in spray chamber, nozzle, storage tank and pressure sensitive sensor form sprayer, when blackboard-cleaning is unclean, user applies external force to blackboard eraser, pressure sensitive sensor is made to obtain signal, and then control shower nozzle sprays water smoke from storage tank, after blackboard is wetting, carry out wiping again.Blackboard eraser good dedusting effect of the present invention, reduces the soakage of teachers and students' chalk dust, blackboard-cleaning is obtained cleaner, improves the learning efficiency of student classroom.

Description

Dust absorption spray type blackboard eraser
Technical field
The present invention relates to a kind of blackboard-cleaning instrument, particularly a kind of blackboard eraser with the enhancing wiping of Semi-automatic control system, for blackboard dedusting technology field.
Background technology
" chalk, three chi dais ", this is the sincere praise to teacher, but does not but know in the under cover countless suffering in the behind of these praise sound; Also can not replace the better educational mode of chalk writing at present in educational circles, but " the chalk syndrome " brought by blackboard writing on the blackboard becomes the No.1 potential safety hazard of numerous teachers and students.Investigate according to relevant department, a student finishes college from primary school and at least needed for 16 years, in the gold period that this grows just, but constantly will be subject to the harm of chalk dust, teacher's slave station is most at about 40 years to retirement to dais, and more than half time of life all will eat " chalk dust ".Although teacher is noble, but they are while doing for educational undertaking and offering as a tribute, and have all sucked a lot of chalk dust every year, have damaged the health of oneself.Lower class hour, often on hand, on sleeve, even hair, shoulder all leave one deck white chalk dust.Everyday like this, year after year, work after 30 ~ 40 years, worn down ten hundreds of chalks, inevitably sucked some chalk dusts from nostril, the health of chalk dust serious harm teachers and students.
Most of school uses common traditional blackboard eraser in the market, not only cause stirring up a cloud of dust inside classroom, be also always difficult to blackboard-cleaning clean, blackboard eraser is unclean, classmates attend class the word being difficult to see clearly on blackboard, and efficiency of attending class also reduced many naturally.
Summary of the invention
In order to solve prior art problem, the object of the invention is to the deficiency overcoming prior art existence, a kind of Dust absorption spray type blackboard eraser is provided, with dust suction and spraying function, the dust removing effects strengthened blackboard is assisted by automated system, reduce the soakage of teachers and students' chalk dust, blackboard-cleaning is obtained cleaner, improve the learning efficiency of student classroom.
Create object for reaching foregoing invention, the present invention adopts following technical proposals:
A kind of Dust absorption spray type blackboard eraser, comprise blackboard eraser wiping surface shell body, the outer surface side of blackboard eraser wiping surface shell body is provided with hairbrush, the inner surface side of blackboard eraser wiping surface shell body is provided with the spray chamber and dust-storage chamber that are fixedly connected with, spray chamber next-door neighbour blackboard eraser wiping surface shell body, the outer surface of blackboard eraser wiping surface shell body is provided with a series of ventilation slot, suction port all arranged distribution in each ventilation slot, make suction port and hairbrush cross-distribution, suction port is communicated with dust-storage chamber, on the sidewall of dust-storage chamber, be provided with dust topples over outlet simultaneously, the dust of collection can be toppled over outlet by dust to pour out from dust-storage chamber, dust absorption fan and dust sucting motor is provided with in dust-storage chamber, dust absorption fan is arranged on the transmission main shaft end of dust sucting motor, hairbrush is when blackboard wiping, dust sucting motor obtains signal to start to rotate, driving dust absorption fan rotates, the dust got off from wiping on blackboard is sucked in dust-storage chamber by suction port, at least nozzle is provided with in spray chamber, nozzle, storage tank and pressure sensitive sensor form sprayer, when blackboard-cleaning is unclean, user applies external force to blackboard eraser, pressure sensitive sensor is made to obtain signal, and then control shower nozzle sprays water smoke from storage tank, after blackboard is wetting, carry out wiping again.
As the improvement of technical solution of the present invention, also connect in the outside of dust-storage chamber and bristle driving arrangement room is set, motor is provided with in bristle driving arrangement indoor, gear and tooth bar, the power transmission shaft of motor is connected by shaft coupling with the gear shaft of gear, gear is rotated with the power transmission shaft of motor, wheel and rack engagement forms rack and pinion drive mechanism, be in line the convert rotational motion that motor exports movement, tooth bar is fixedly connected with hairbrush, motor is fixed relative to the position of bristle driving arrangement room, motor carries out rotating rotation, band carry-over bar moves at the indoor reciprocating linear of bristle driving arrangement, and then control hairbrush reciprocating linear moves, realize the circulation wiping to blackboard, also travel switch is provided with in dust-storage chamber, when blackboard eraser displacement exceedes setting displacement, namely travel switch produces the signal of telecommunication, after this signal of telecommunication is amplified process, input motor, and then the rotating controlling motor rotates, a moving contact element is also fixedly connected with the strain gauge element of pressure sensitive sensor, moving contact element moves along the compressive deformation direction of the strain gauge element of pressure sensitive sensor, and close on resilience contact with fixed block is reciprocating, fixed block is fixed relative to blackboard eraser wiping surface shell body position.
The present invention compared with prior art, has following apparent outstanding substantive distinguishing features and remarkable advantage:
1. Dust absorption spray type blackboard eraser of the present invention has dust suction and spraying controlling functions concurrently, the outside utilitarian design of this blackboard eraser is generous, can improvement good, simple to operate, duty is directly perceived, dust removing effects is strong, and clean blackboard efficiency is high, to the good dedusting effect of blackboard, decrease the harm of chalk dust to teachers and students, also improve the learning efficiency of student classroom simultaneously;
2. Dust absorption spray type blackboard eraser of the present invention adopts functional module combination, and adopt the combination of multi-chamber action function, compact conformation, assembly and disassembly are easy to maintenance, and mechanical motion mechanism drive efficiency is high.
Accompanying drawing explanation
Fig. 1 is the structural representation of the embodiment of the present invention one Dust absorption spray type blackboard eraser.
Fig. 2 is the structural representation of the outer surface of the blackboard eraser wiping surface shell body of the embodiment of the present invention one.
Fig. 3 is the structural representation of the embodiment of the present invention two Dust absorption spray type blackboard eraser.
Fig. 4 is the sectional view along the A-A line in Fig. 3.
Detailed description of the invention
Details are as follows for the preferred embodiments of the present invention:
embodiment one:
In the present embodiment, see Fig. 1 and Fig. 2, a kind of Dust absorption spray type blackboard eraser, comprise blackboard eraser wiping surface shell body 18, the outer surface side of blackboard eraser wiping surface shell body 18 is provided with hairbrush 1, the inner surface side of blackboard eraser wiping surface shell body 18 is provided with the spray chamber I and dust-storage chamber II that are fixedly connected with, spray chamber I is close to blackboard eraser wiping surface shell body 18, the outer surface of blackboard eraser wiping surface shell body 18 is provided with a series of ventilation slot 20, suction port 19 all arranged distribution in each ventilation slot 20, make suction port 19 and hairbrush 1 cross-distribution, suction port 19 is communicated with dust-storage chamber II, on the sidewall of dust-storage chamber II, be provided with dust topples over outlet 6 simultaneously, the dust of collection can be toppled over outlet 6 by dust to pour out from dust-storage chamber II, dust absorption fan 2 and dust sucting motor 4 is provided with in dust-storage chamber II, dust absorption fan 2 is arranged on transmission main shaft 3 end of dust sucting motor 4, hairbrush 1 is when blackboard wiping, dust sucting motor 4 obtains signal to start to rotate, dust absorption fan 2 is driven to rotate, the dust got off from wiping on blackboard is sucked in dust-storage chamber II by suction port 19, nozzle 13 is at least provided with in spray chamber I, nozzle 13, storage tank 12 and pressure sensitive sensor 9 form sprayer, when blackboard-cleaning is unclean, user applies external force to blackboard eraser, pressure sensitive sensor 9 is made to obtain signal, and then control shower nozzle 13 sprays water smoke 14 from storage tank 12, after blackboard is wetting, carry out wiping again.In the present embodiment, hairbrush 1 is when blackboard wiping, dust sucting motor 4 obtains signal to start to rotate, dust absorption fan 2 rotates with dust sucting motor 4, dust is sucked in dust-storage chamber II, when blackboard-cleaning is unclean, artificially can apply power to blackboard eraser, the pressure sensitive sensor 9 being positioned at dust-storage chamber II obtains signal, control shower nozzle 13 sprays after a small amount of water smoke 14 carries out moistening blackboard and carries out wiping again from storage tank 12, dust absorption fan 2 also has air-drying function simultaneously, and the blackboard after moistening is carried out air-dry process.The present embodiment Dust absorption spray type blackboard eraser is integrated with dust suction and spraying function, the dust removing effects of blackboard is strengthened by rational mechanism and control device, overcome the drawback of existing blackboard eraser, reduce the soakage of teachers and students' chalk dust, make classmates more can see word on blackboard clearly, easy to use, improve the learning efficiency of student classroom, there are larger market prospects.
embodiment two:
The present embodiment is substantially identical with embodiment one, and special feature is:
In the present embodiment, see Fig. 3 and Fig. 4, also connect in the outside of dust-storage chamber II and bristle driving arrangement room III is set, motor 15 is provided with in bristle driving arrangement room III, gear 8 and tooth bar 5, the power transmission shaft 16 of motor 15 is connected by shaft coupling 17 with the gear shaft 7 of gear 8, gear 8 is rotated with the power transmission shaft 16 of motor 15, gear 8 engages with tooth bar 5 and forms rack and pinion drive mechanism, be in line the convert rotational motion that motor 15 exports movement, tooth bar 5 is fixedly connected with hairbrush 1, motor 15 is fixed relative to the position of bristle driving arrangement room III, motor 15 carries out rotating rotation, band carry-over bar 5 reciprocating linear in bristle driving arrangement room III moves, and then control hairbrush 1 reciprocating linear moves, realize the circulation wiping to blackboard, travel switch 11 is also provided with in dust-storage chamber II, when blackboard eraser displacement exceedes setting displacement, namely travel switch 11 produces the signal of telecommunication, after this signal of telecommunication is amplified process, input motor 15, and then the rotating controlling motor 15 rotates, a moving contact element 10 is also fixedly connected with the strain gauge element of pressure sensitive sensor 9, moving contact element 10 moves along the compressive deformation direction of the strain gauge element of pressure sensitive sensor 9, and close on resilience contact with fixed block is reciprocating, fixed block is fixed relative to blackboard eraser wiping surface shell body 18 position.In the present embodiment, when blackboard eraser displacement exceedes setting displacement, blackboard eraser displacement in the present embodiment is set as 10mm, the travel switch 11 being arranged in dust-storage chamber II produces the signal of telecommunication, inputs motor 15 after this signal of telecommunication being amplified process, and the rotating controlling motor 15 rotates, gear 8 rotates with motor 15, gear 8 engages with tooth bar 5, and be in line the convert rotational motion of motor 15 movement, realizes the circulation wiping to blackboard.In the present embodiment, with the moving contact element 10 connected with the strain gauge element of pressure sensitive sensor 9 with can carry out between fixed block reciprocatingly closing on resilience and contacting, reduce the excessive rigid interference caused of pressure of press pressure dependent sensor 9, ensure the service life of pressure sensitive sensor 9, and effectively improve the service life of the present embodiment Dust absorption spray type blackboard eraser.This example Dust absorption spray type blackboard eraser is on the basis with dust suction and spraying function, further integrated hairbrush circulation wiping control system, more enhance the wiping dust removing effects of blackboard eraser, significantly can alleviate the labour intensity of blackboard eraser user, improve efficiency of dust collection.
By reference to the accompanying drawings the embodiment of the present invention is illustrated above; but the invention is not restricted to above-described embodiment; multiple change can also be made according to the object of innovation and creation of the present invention; change, the modification made under all Spirit Essences according to technical solution of the present invention and principle, substitute, combination, to simplify; all should be the substitute mode of equivalence; as long as goal of the invention according to the invention; only otherwise deviate from know-why and the inventive concept of Dust absorption spray type blackboard eraser of the present invention, all protection scope of the present invention is belonged to.

Claims (2)

1. a Dust absorption spray type blackboard eraser, by top III, middle part II, bottom I 3 portion cavity composition, be respectively spray chamber, dust-storage chamber, bristle driving arrangement room, comprise hairbrush (1), dust absorption fan (2), dust sucting motor (4), motor (15), gear (8), tooth bar (5), pressure sensitive sensor (9), shower nozzle (13), it is characterized in that: the hairbrush of shell body (18) is when blackboard wiping, dust sucting motor (4) obtains signal to start to rotate, the dust absorption fan (2) being positioned at transmission main shaft (3) end rotates with motor, dust is sucked in the dust-storage chamber at middle part II, when blackboard-cleaning is unclean, artificially can apply power to blackboard eraser, the pressure sensitive sensor (9) being positioned at middle part II obtains signal, control shower nozzle (13) sprays after a small amount of water smoke (14) carries out moistening blackboard from storage tank (12) carries out wiping again, dust absorption fan (2) also has air-drying function simultaneously, blackboard after moistening is carried out air-dry process, when blackboard eraser displacement is more than 10mm, be arranged in middle part II travel switch (11) and produce the signal of telecommunication, motor (15) is inputted after this signal of telecommunication is amplified process, the rotating controlling motor (15) rotates, the power transmission shaft (16) of motor (15) is connected with gear shaft (7) shaft coupling (17), gear (8) is rotated with motor, gear (8) engages with tooth bar (5), be in line the convert rotational motion of motor movement, and then control hairbrush (1) moves horizontally, realize the circulation wiping to blackboard.
2. Dust absorption spray type blackboard eraser according to claim 1, it is characterized in that blackboard eraser shell body (18) is distributed with ventilation slot (20) and suction port (19), ventilation slot (20) and suction port (19) and hairbrush (1) cross-distribution, be convenient to dust can be more conducive to absorb, have an aperture in blackboard eraser housing side simultaneously, in the dust-storage chamber at middle part II grey dust-full time, can by dust thus mouth pour out.
CN201310150789.4A 2013-04-27 2013-04-27 Dust absorption spray type blackboard eraser Expired - Fee Related CN103204023B (en)

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Application Number Priority Date Filing Date Title
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Application Number Priority Date Filing Date Title
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CN103204023A CN103204023A (en) 2013-07-17
CN103204023B true CN103204023B (en) 2016-02-17

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Families Citing this family (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103552409B (en) * 2013-10-28 2015-04-29 华北电力大学(保定) Water type self-cleaning mark removing blackboard eraser
CN103625182A (en) * 2013-12-03 2014-03-12 徐春玲 Dust-absorption blackboard eraser
CN103963519A (en) * 2014-01-01 2014-08-06 梅有智 Electric water-spraying dust-suction blackboard eraser
CN105109245B (en) * 2015-08-24 2017-12-22 韩翔瑞 Dustless environment protecting blackboard eraser
CN106114014A (en) * 2016-07-25 2016-11-16 汤美 Blackboard device for fast cleaning is used in a kind of education
CN106986091B (en) * 2017-05-03 2018-05-01 泉州永春固力机械有限公司 A kind of shoes process wear shoes band talcum powder storage apparatus
CN107672355A (en) * 2017-08-25 2018-02-09 安徽信息工程学院 Blackboard eraser
CN109367298A (en) * 2018-12-19 2019-02-22 福建工程学院 A kind of automatic eraser device
CN109774358A (en) * 2019-03-12 2019-05-21 贵州民族大学 A kind of electric blackboard eraser of collectable chalk dust
CN112721499A (en) * 2021-01-06 2021-04-30 江苏电子信息职业学院 Teaching display device for teaching management system

Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN2090334U (en) * 1991-04-17 1991-12-11 赵生荣 Multipurpose electric dust-absorbing chalk eraser
CN201784357U (en) * 2010-09-16 2011-04-06 史文轩 Multifunctional blackboard eraser
CN202378578U (en) * 2011-11-21 2012-08-15 马佟佟 Blackboard eraser having dust suction function
CN202413177U (en) * 2011-11-30 2012-09-05 王浩屹 Blackboard eraser capable of spraying water
CN202557137U (en) * 2012-05-28 2012-11-28 李霞 Dust absorption blackboard eraser with internally-installed fan
CN202557128U (en) * 2011-12-26 2012-11-28 黄俊轩 Dust-absorbing blackboard eraser
CN202764550U (en) * 2012-08-29 2013-03-06 孙名文 Dustproof blackboard eraser
CN102963185A (en) * 2012-12-07 2013-03-13 胡佩文 Water-spraying blackboard eraser

Patent Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN2090334U (en) * 1991-04-17 1991-12-11 赵生荣 Multipurpose electric dust-absorbing chalk eraser
CN201784357U (en) * 2010-09-16 2011-04-06 史文轩 Multifunctional blackboard eraser
CN202378578U (en) * 2011-11-21 2012-08-15 马佟佟 Blackboard eraser having dust suction function
CN202413177U (en) * 2011-11-30 2012-09-05 王浩屹 Blackboard eraser capable of spraying water
CN202557128U (en) * 2011-12-26 2012-11-28 黄俊轩 Dust-absorbing blackboard eraser
CN202557137U (en) * 2012-05-28 2012-11-28 李霞 Dust absorption blackboard eraser with internally-installed fan
CN202764550U (en) * 2012-08-29 2013-03-06 孙名文 Dustproof blackboard eraser
CN102963185A (en) * 2012-12-07 2013-03-13 胡佩文 Water-spraying blackboard eraser

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