CN103231603B - Novel negative pressure environmentally-friendly multi-functional blackboard - Google Patents

Novel negative pressure environmentally-friendly multi-functional blackboard Download PDF

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Publication number
CN103231603B
CN103231603B CN201310160436.2A CN201310160436A CN103231603B CN 103231603 B CN103231603 B CN 103231603B CN 201310160436 A CN201310160436 A CN 201310160436A CN 103231603 B CN103231603 B CN 103231603B
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CN
China
Prior art keywords
blackboard
chalk
box
negative pressure
dust
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Expired - Fee Related
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CN201310160436.2A
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Chinese (zh)
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CN103231603A (en
Inventor
杨武成
裴魁标
赵子龙
田家浩
何健
魏琪
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Xian Aeronautical University
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Xian Aeronautical University
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Priority to CN201310160436.2A priority Critical patent/CN103231603B/en
Publication of CN103231603A publication Critical patent/CN103231603A/en
Application granted granted Critical
Publication of CN103231603B publication Critical patent/CN103231603B/en
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

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Abstract

The invention discloses a novel negative pressure environmentally-friendly multi-functional blackboard which comprises a blackboard body, a dust removal device, a practical color separation chalk box, a waste small chalk recovery box, a switch panel, a head lamp, a schedule clip, a teaching aid collection case, an absorption nail collection box and an eraser collection box. The blackboard body is provided with a negative pressure cavity composed of a frame, a blackboard surface with small holes arranged in lattice, a blackboard backing board and a division bar in the cavity together. By means of adsorption force of a fan of the dust removal device, dust is absorbed, dust-free environment of chalk writing and erasing is achieved, and health of teachers and students is protected. The small holes arranged on the blackboard surface in a lattice mode are convenient for the teachers to write on the blackboard neat and orderly, are convenient for ruler and compass construction and wall chart adsorption, and can also reduce reflection light of the blackboard surface. The blackboard achieves that chalk of various colors is placed in the practical chalk box and is convenient to take. Cracked and used waste small chalk is put in the chalk recovery box and is convenient to recycle, and environmental protection is reduced. The blackboard achieves classification placement and convenient pick-and-place of a schedule, teaching aids, adsorption nails, an eraser and the like.

Description

Novel negative pressure environmentally-friemulti-functional multi-functional blackboard
Technical field
The present invention relates to teaching aid field, particularly relate to a kind of Novel negative pressure environmentally-friemulti-functional multi-functional blackboard.
Background technology
So far, most teachers all will use chalk, blackboard, with during chalk-writing or when erasing the board, chalk dust all can fly around, not only pollute the environment in classroom, but also impact that can be bad on the healthy generation of teacher and classmates, the chalk of fracture and with remaining chalk end again by random to be discarded in chalk holder, on lectern, on floor or under blackboard along upper, easily cause secondary environmental pollution.Secondly, present blackboard surface does not have object of reference, easy sideslip when writing, and free-hand mapping is difficult to reach requirement, and determines position with also bad during construction with ruler and compasses, and bowlder drawn by compasses, and the bad location of compass foot, these all can have influence on the overall aesthetics of writing on the blackboard.Again, each colored crayon is because of neat stacking bad with carton package, easily in great confusion, needs again to ransack inside chalk holder, waste time and energy when taking particular color; Various teaching aid does not fix deposit position after use terminates, and suction nail used by various wall chart needs or adhesive tape just can be attached on blackboard, and suction nail, blackboard eraser also do not fix deposit position after use terminates, and easily cause damage or loss.In addition, traditional blackboard face does not see when dark, and easily reflective when light is stronger, causes being sitting in student at a distance and does not see Chu.Finally, chalk dust, chalk are first-class is directly discarded into rubbish heap, both pollutes bad border, and spoiled soil character, easily causes environmental issue again.
Therefore, design and a kind ofly can reduce or eliminate dust pollution, make the discharges such as clean and tidy around lectern, various teaching aid, chalk in order and conveniently take, facilitate teacher to write on blackboard or map or wall chart and facilitate multi-functional, the multipurpose of observation of students blackboard, environmental protection, practical blackboard, be dream and the pursuit of designer always.Although existing technology has solved fraction demand or discrete function, also there is not a kind of can fully solving the problem and the technology of practicality.
Summary of the invention
In order to overcome above-mentioned the deficiencies in the prior art, the invention provides a kind of Novel negative pressure environmentally-friemulti-functional multi-functional blackboard, its object is exactly will provide a kind of and can reduce or eliminate dust pollution, make the discharges such as clean and tidy around lectern, various teaching aid, chalk in order and conveniently take, facilitate teacher to write on blackboard or map or wall chart and facilitate multi-functional, the multipurpose of observation of students blackboard, environmental protection, practical blackboard, the structure of this blackboard is simple, reasonable in design and easy to use, be convenient to promote.
For achieving the above object, the technical solution used in the present invention is: a kind of Novel negative pressure environmentally-friemulti-functional multi-functional blackboard, comprise blackboard body, dust arrester, the practical chalk holder of color separation, useless little chalk recycling box, switch panel, illuminating lamp, hook, school timetable presss from both sides, case concentrated by teaching aid, inhaling nail concentrates box and blackboard eraser to concentrate box, it is characterized in that: blackboard body is placed between two parties, dust arrester is connected with the ventilation cavity of blackboard frame, the practical chalk holder of color separation, useless little chalk recycling box, switch panel is arranged in right side or the left side of blackboard, illuminating lamp, hook is arranged at blackboard top, school timetable presss from both sides, case concentrated by teaching aid, inhaling nail concentrates box and blackboard eraser to concentrate box to be placed on left side or the right side of blackboard.
Above-mentioned Novel negative pressure environmentally-friemulti-functional multi-functional blackboard, it is characterized in that: described blackboard body forms a negative pressure cavity jointly by parting bead in the blackboard surface of short frame, long margin frame, lattice arrangement dust suction aperture, blackboard backer board, chamber, with parting bead in chamber, negative pressure cavity is divided into multiple relatively independent loculus, the one or both sides of short frame or long margin frame offer ventilation cavity, and ventilation cavity is directly connected with the air inlet of dust arrester or is connected with dust arrester through pipeline.
Above-mentioned Novel negative pressure environmentally-friemulti-functional multi-functional blackboard, it is characterized in that: described dust arrester is special dust seperator or general dust catcher, it comprises blower fan, dust removal and filtration net, exhaust hood, the one or both sides that dust arrester can be arranged on blackboard are all installed or are connected with flexible pipe and are unifiedly arranged on outdoor, dust removal and filtration net is detachable, can deashing.
Above-mentioned Novel negative pressure environmentally-friemulti-functional multi-functional blackboard, it is characterized in that: the practical chalk holder of described color separation comprises chalk holder upturning lid, chalk box body, torsion spring or stage clip, chalk holder lower cover, be traditionally arranged to be five for placing pastel and one for placing white chalk, the practical chalk holder of color separation two combinations can be installed or independently install and be arranged in the side of blackboard, useless little chalk recycling box is a uncovered and dismountable box, be installed on around the practical chalk holder of color separation, box all prints color printed words or title.
Above-mentioned Novel negative pressure environmentally-friemulti-functional multi-functional blackboard, it is characterized in that: described illuminating lamp is one or two or three white illumination lamps, its illuminating lamp tube common energy-saving lamp pipe or LED lamp bead fluorescent tube or conventional fluorescent tube, described hook is arranged on blackboard upper side frame for one or two or three, also can be placed side by side with illuminating lamp.
Above-mentioned Novel negative pressure environmentally-friemulti-functional multi-functional blackboard, it is characterized in that: described school timetable folder is a band flexible time power folder, described teaching aid is concentrated case, is inhaled to follow closely and concentrate box and blackboard eraser to concentrate box to be the casing of opening, and described school timetable folder, teaching aid concentrate case, the concentrated box of suction nail and blackboard eraser to concentrate box to combine left side or the right side of installing or be independently installed on blackboard.
Above-mentioned Novel negative pressure environmentally-friemulti-functional multi-functional blackboard, is characterized in that: the dust suction aperture described blackboard surface being processed with lattice arrangement, and small aperture is at 0.5-5mm, and spacing is at 5-100mm, and hole shape is circular hole or tri-angle-holed or square hole or hexagonal hole.
Above-mentioned Novel negative pressure environmentally-friemulti-functional multi-functional blackboard, is characterized in that: the collar extension of described ventilation cavity is threaded interior hole, is connected with air draft pipeline, and ventilation cavity inside arranges dividing plate and is connected respectively with the loculus of negative pressure cavity.
Above-mentioned Novel negative pressure environmentally-friemulti-functional multi-functional blackboard, it is characterized in that: described blackboard surface material is common cold-rolled steel sheet or plank or aluminium alloy or plastics, the practical chalk holder of described color separation, useless little chalk recycling box, teaching aid concentrate case, inhale nail and concentrate box and blackboard eraser to concentrate box material to be stainless steel or aluminium alloy or lucite or plastics or its combination.
The present invention compared with prior art, its beneficial effect is: described blackboard can eliminate dust pollution by means of the aspiration of negative pressure, can make again around lectern clean and tidy, the discharge such as various teaching aid, chalk is also conveniently taken in order, dot matrix aperture on blackboard can also facilitate teacher to write on blackboard or map or wall chart, be convenient to the word figure on observation of students blackboard, be not easy occur reflective or do not see phenomenon, a multi-functional, multipurpose, environmental protection, practical blackboard, its structure is simple, reasonable in design, easy to use, be convenient to promote.
Accompanying drawing explanation
Fig. 1 is structural representation of the present invention.
Fig. 2 is the A-A biopsy cavity marker devices schematic diagram of Fig. 1 of the present invention.
Fig. 3 is chalk holder cut-away illustration of the present invention.
Description of reference numerals: 1-short frame; 2-long margin frame; 3-blackboard surface; 4-dust suction aperture; 5-negative pressure cavity; Parting bead in 6-chamber; 7-useless little chalk recycling box; 8-switch panel; 9-sanguine box; 10-white chalk holder; 11-carmetta chalk holder; 12-yellow chalk holder; 13-green flour pencil box; 14-blue chalk holder; 15-ventilation cavity; 16-dust arrester; 17-illuminating lamp; 18-return power folder; 19-school timetable; Case concentrated by 20-teaching aid; 21-blackboard eraser concentrates box; 22-inhale nail to concentrate box; 23-chalk holder upturning lid; 24-chalk box body; 25-torsion spring; 26-chalk holder lower cover; 27-chalk; 28-blackboard backer board; 29-hook.
Detailed description of the invention
Below by drawings and Examples, the present invention is described in further detail.
Embodiment 1
As shown in Figure 1, one Novel negative pressure environmentally-friemulti-functional multi-functional blackboard, comprises blackboard body, dust arrester 16, color separation practicality chalk holder (sanguine box 9, white chalk holder 10, carmetta chalk holder 11, yellow chalk holder 12, green flour pencil box 13, blue chalk holder 14), little chalk recycling box 7 of giving up, switch panel 8, illuminating lamp 17, hook 29, school timetable folder 19, case 20 is concentrated by teaching aid, concentrated box 22 is followed closely in suction and blackboard eraser concentrates box 21.Blackboard body is placed between two parties, dust arrester 16 is connected with the ventilation cavity 15 of blackboard frame and is placed in blackboard right upper portion, the practical chalk holder of color separation, useless little chalk recycling box 7, switch panel 8 are arranged in the portion on the lower, right side of blackboard, illuminating lamp 17, hook 29 are arranged at blackboard top, and school timetable folder 19, teaching aid are concentrated case 20, inhaled to follow closely and concentrate box 22 and blackboard eraser to concentrate box 21 to be placed on the left side of blackboard.
As illustrated in fig. 1 and 2, described blackboard body forms a negative pressure cavity 5 jointly by parting bead 6 in the blackboard surface 3 of short frame 1, long margin frame 2, lattice arrangement dust suction aperture 4, blackboard backer board 28, chamber, with parting bead in chamber 6, negative pressure cavity 5 is divided into multiple relatively independent loculus, short frame 1 right side opening is provided with ventilation cavity 15, and ventilation cavity 15 is directly connected with the air inlet of dust arrester 16 or is connected with dust arrester 16 through pipeline.Described dust arrester 16 is special dust seperator or general dust catcher, and it comprises blower fan, dust removal and filtration net, exhaust hood, and dust removal and filtration net is detachable, can deashing.
As shown in figs. 1 and 3, practical chalk holder (the sanguine box 9 of described color separation, white chalk holder 10, carmetta chalk holder 11, yellow chalk holder 12, green flour pencil box 13, blue chalk holder 14) comprise chalk holder upturning lid 23, chalk box body 24, torsion spring 25, chalk holder lower cover 26, when needs load new chalk, open chalk holder upturning lid 23, loose chalk 27 is put into chalk box body 24 sidewards, need the used time, pressure chalk holder lower cover 26, chalk 27 can roll out one to take in chalk box body 24, loosen chalk holder lower cover 26, under the effect of torsion spring 25, chalk holder lower cover 26 resilience leaning against on chalk box body 24 covers tightly.The practical chalk holder of color separation is traditionally arranged to be five for placing pastel and one for placing white chalk, as shown in Figure 1, sanguine box 9, white chalk holder 10, carmetta chalk holder 11, yellow chalk holder 12, green flour pencil box 13, blue chalk holder 14 two combination is installed and the right side being arranged in blackboard facilitates teacher to take.Useless little chalk recycling box 7 is a uncovered and dismountable box, is installed on the downside of the practical chalk holder of color separation, the chalk input of the useless little chalk be conveniently finished or fracture.The practical chalk holder of color separation with the box of useless little chalk recycling box 7 all print chalk color printed words or title.
As shown in Figure 1, described illuminating lamp 17 is two white illumination lamps, its illuminating lamp tube common energy-saving lamp pipe or LED lamp bead fluorescent tube or conventional fluorescent tube, and described hook 29 is arranged on blackboard upper side frame for one or two or three, also can be placed side by side with illuminating lamp.Described switch panel 8 is provided with two buttons, is used for controlling respectively the switch of illuminating lamp 17 and dust arrester 16, and switch panel 8 is arranged on the lower right side of blackboard, easy to use.Illuminating lamp 17 is in order to when dark, is opened by lamp and is radiated on blackboard, is convenient to student and sees word figure on blackboard clearly.
As shown in Figure 1, described school timetable folder 19 is the clip of a band elastic restoring force folder 18, school timetable folder 19 collecting for the resources material such as school timetable, seat chart.Described teaching aid is concentrated case 20, is inhaled to follow closely and concentrate box 22 and blackboard eraser to concentrate box 21 to be the casing of opening, is respectively used to teaching aid, inhales collecting and arranging of nail, blackboard eraser etc.Described school timetable folder 19, teaching aid are concentrated case 20, are inhaled to follow closely and concentrate box 22 and blackboard eraser to concentrate box 21 to combine the left side installing or be independently installed on blackboard.
As shown in Figure 1, in the present embodiment, described blackboard surface 3 is processed with the dust suction aperture 4 of lattice arrangement, the pore diameter range of aperture 4 is at 0.5-5mm, spacing range is at 5-100mm, and the shape of aperture 4 is circular hole or tri-angle-holed or square hole or hexagonal hole, and preferably value is that 1.5mm is got in the aperture of aperture 4, spacing gets 10mm, and the shape of aperture 4 selects circular hole.The object of such design ensures that the suction of negative pressure cavity 5 is powerful, but do not destroy the intensity of blackboard, the fluency of chalk-writing, the continuity of mapping and overall appearance.
In the present embodiment, the collar extension of described ventilation cavity 15 is threaded interior hole, is connected with air draft pipeline, and ventilation cavity 15 inside arranges dividing plate and is connected respectively with the loculus of negative pressure cavity 5.
In the present embodiment, the material of described blackboard surface 3 is common cold-rolled steel sheet, also can be plank or aluminium alloy or plastics, the practical chalk holder of described color separation, useless little chalk recycling box 7, teaching aid concentrate case 20, inhale nail concentrates box 22 and blackboard eraser to concentrate the material of box 21 to be stainless steel, also can with aluminium alloy or lucite or plastics or its combination.
The blackboard eraser that Novel negative pressure environmentally-friemulti-functional multi-functional blackboard uses is common blackboard eraser; at blackboard eraser except front; first open the dust suction button of switch panel 8; then the writing on blackboard eraser erasing blackboard or figure is used; the chalk dust of erasing is siphoned away by dust arrester 16 rapidly in negative pressure negative suction chamber 5; by discharging after udst separation, whole process is without dust, environmental protection give the guarantee of teachers and students' health.When needing to hang wall chart or other paper on blackboard, by means of the suction of negative pressure cavity, directly wall chart can be laid on blackboard surface 3 and just can adhere to, if wall chart is heavier, also can follow closely with suction simultaneously, easy to use.When blackboard writing or maps, by means of the dust suction aperture 4 of lattice arrangement as boost line, conveniently can write and map, ensureing to write in good order, mapping specification, even free-hand mapping.When using construction with ruler and compasses, can make full use of the dust suction aperture 4 of lattice arrangement as boost line mapping, compass foot can insert aperture inner position, is not easy sideslip or landing.Because chalk color separation is placed in corresponding color separation chalk holder, easy to use, and the chalk of fracture, there has also been home to return to surplus chalk end, directly drop in useless little chalk holder 7, guarantee does not pollute classroom environment.Various teaching aid, suction nail, blackboard eraser, school timetable or seat chart Ye Douyou place to stay, easily find also easy to use, makes the environment in classroom more clean and tidy in order.Because lattice arrangement has dust suction aperture 4 on the illuminating lamp 17 having blackboard special, blackboard surface 3, make blackboard can adapt to the occasion of dark, can not cause again reflective, facilitate each word, figure on observation of students blackboard.And useless little chalk holder 7 and dust arrester 16 leave chalk dust and chalk end concentratedly, being recovered to chalk manufactory by periodic cleaning, free from environmental pollutionly having accomplished again recycling, is an of great value environmental protection behave.
Embodiment 2
In the present embodiment, as different from Example 1: dust arrester 16 is connected with the ventilation cavity 15 of blackboard frame and is placed in blackboard left upper portion, the practical chalk holder of color separation, useless little chalk recycling box 7, switch panel 8 are arranged in the portion on the lower, left side of blackboard, and school timetable folder 19, teaching aid are concentrated case 20, inhaled to follow closely and concentrate box 22 and blackboard eraser to concentrate box 21 to be placed on the right side of blackboard.In the present embodiment, structure, the installation site of remainder are all identical with embodiment 1.
Embodiment 3
In the present embodiment, with embodiment 1, embodiment 2 unlike: dust arrester 16 has two covers, is arranged on the left and right sides of blackboard respectively, and blackboard frame offers two ventilation cavities 15, is connected respectively with the dust arrester 16 of correspondence.In the present embodiment, structure, the installation site of remainder are all identical with embodiment 1.
Embodiment 4
In the present embodiment, as different from Example 1: dust arrester 16 is placed on outdoor, be connected with air pipeline between its air inlet with ventilation cavity 15.In the present embodiment, structure, the installation site of remainder are all identical with embodiment 1.
Embodiment 5
In the present embodiment, as different from Example 4: blackboard body forms a set of Reelable blackboard group by two covers or four covers, the blackboard body frame often overlapped all offers ventilation cavity 15, and dust arrester 16 is placed on outdoor, is connected between its air inlet with each ventilation cavity 15 with vent hose.In the present embodiment, structure, the installation site of remainder are all identical with embodiment 1.
The above; it is only preferred embodiment of the present invention; not the present invention is imposed any restrictions, every above embodiment is done according to the technology of the present invention essence any simple modification, change and equivalent structure transformation, all still belong in the protection domain of technical solution of the present invention.

Claims (1)

1. a Novel negative pressure environmentally-friemulti-functional multi-functional blackboard, comprises blackboard body, dust arrester, the practical chalk holder of color separation, useless little chalk recycling box, switch panel, illuminating lamp, hook, school timetable presss from both sides, case concentrated by teaching aid, inhaling nail concentrates box and blackboard eraser to concentrate box, and blackboard body is placed between two parties, and dust arrester is placed in the right upper portion of blackboard or left upper portion and is connected with the ventilation cavity of blackboard frame, the practical chalk holder of color separation, useless little chalk recycling box, switch panel is arranged in right side or the left side of blackboard, illuminating lamp, hook is arranged at blackboard top, and school timetable presss from both sides, case concentrated by teaching aid, inhaling nail concentrates box and blackboard eraser to concentrate box to be placed on left side or the right side of blackboard, and described blackboard body is by short frame, long margin frame, blackboard surface, blackboard backer board forms a negative pressure cavity jointly, the side of short frame or long margin frame offers ventilation cavity, ventilation cavity is directly connected with the air inlet of dust arrester, it is characterized in that: the dust suction aperture described blackboard surface offering lattice arrangement, the aperture of dust suction aperture is 1.5mm, and spacing is 10mm, and shape is circular, described negative pressure cavity is also divided into multiple relatively independent loculus with parting bead in chamber, arranges dividing plate in ventilation cavity inside and is connected respectively with the loculus of negative pressure cavity.
CN201310160436.2A 2013-05-05 2013-05-05 Novel negative pressure environmentally-friendly multi-functional blackboard Expired - Fee Related CN103231603B (en)

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Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105216490A (en) * 2015-10-12 2016-01-06 周末 Multifunction lamp light board
CN106617991A (en) * 2017-01-22 2017-05-10 山东英才学院 Movable display device for art design works
CN107825903A (en) * 2017-11-13 2018-03-23 许昌市建安区第三高级中学 One kind is gathered dust blackboard
CN108973465A (en) * 2018-07-11 2018-12-11 新疆工程学院 Clean accumulated powder blackboard eraser

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CN1061185A (en) * 1991-10-12 1992-05-20 张晋川 Dust-collecting type chalk writing board
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CN202826856U (en) * 2012-07-30 2013-03-27 李吉飞 New-function blackboard
CN203185926U (en) * 2013-05-05 2013-09-11 西安航空学院 Novel negative-pressure environment-protection multifunctional blackboard

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CN1061185A (en) * 1991-10-12 1992-05-20 张晋川 Dust-collecting type chalk writing board
CN2776898Y (en) * 2005-02-25 2006-05-03 张玉彩 Automatic chalk dispensing box
CN2774804Y (en) * 2005-03-21 2006-04-26 荣延祥 Dust suction device for blackboard
CN201296123Y (en) * 2008-11-04 2009-08-26 谭宇桓 Blackboard eraser with article storage box
CN202641151U (en) * 2012-05-04 2013-01-02 閤清山 Novel blackboard chalk box set
CN202593068U (en) * 2012-06-07 2012-12-12 王泽� Dust-free blackboard
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