CN105150719A - Multifunctional blackboard - Google Patents
Multifunctional blackboard Download PDFInfo
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- CN105150719A CN105150719A CN201510606068.9A CN201510606068A CN105150719A CN 105150719 A CN105150719 A CN 105150719A CN 201510606068 A CN201510606068 A CN 201510606068A CN 105150719 A CN105150719 A CN 105150719A
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- housing
- blackboard
- gear
- wiping
- projection
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Abstract
The invention relates to a multifunctional blackboard. The multifunctional blackboard comprises a blackboard fixed on a wall by a support and a projector mechanism and an erasing mechanism which are respectively arranged at two sides of the blackboard by a suspension device. The multifunctional blackboard is mainly formed by three parts, LED lights are embedded to a steel deck and are uniformly distributed in a matrix form, and when in use, positioning can be carried out according to light spots shown by a glass writing layer, so that use of ruler set square can be reduced, and board writing efficiency can be improved; light of the LED lights cannot affect the display effect of black and white after passing through the roughened glass writing layer; the multifunctional blackboard is further provided with a dustless module for erasing the blackboard and a releasing module for a projection screen, and therefore, the multifunctional blackboard is good in integrity and integrates multiple functions.
Description
Technical field
Teaching aid field of the present invention, is specifically related to a kind of multi-functional blackboard.
Background technology
Present blackboard structure is single, and dust fills the air, and a lot of teaching aid equipment also wants follow-up construction, makes metope mixed and disorderly, and the chaotic layout of various teaching aid is unreasonable, does not have a kind of dust-free blackboard integrating multiple teaching aid function.Projection cloth is the equipment of classroom indispensability, and being all the later stage now installed in the blackboard top later stage, inharmonious with original classroom concision style, used folding and unfolding inconvenience, due to equipment main body all more than 2 meters inconvenient maintenance more to drop danger.
Summary of the invention
The object of the invention is to the defect overcoming prior art, a kind of multi-functional blackboard be provided, its tool is dustless, projector equipment is integrated, backlight location.
To achieve these goals, the technical scheme taked of the present invention is as follows:
A kind of multi-functional blackboard, it comprises the projector mechanism and the Wiping mechanism that are fixed on the blackboard on wall by support and are arranged on blackboard both sides respectively by suspension arrangement;
Described blackboard comprises: the glass writing layer of hair side and the LED lamp bead of multiple matrix distribution in steel plate layer outside the steel plate layer of rectangle, the steel plate layer that is laid in, and described LED lamp bead is conflicted through steel plate layer and glass writing layer;
Described suspension arrangement comprises: upper suspended structure and lower suspension arrangement, described upper suspension arrangement comprises and arranges the upper rail on the upside of support, the upper block be embedded in upper rail, the power wheel that is set in parallel in the tooth bar on support and engages with tooth bar with upper rail, described upper block is connected with power wheel by link arm axle, one end of described upper block and power wheel is rotating is respectively arranged on link arm axle two ends, and the described power wheel other end is fixedly installed dynamic stepped gear by power transmission shaft; Described lower suspension arrangement comprises, stand-by still gear lower guideway on the downside of support being set, being embedded in the lower tumbler in lower guideway and being connected with lower guideway by lower link arm axle, the two ends of link arm axle under described lower guideway and free to rotate being respectively arranged on of stand-by still gear, described stand-by still gear is positioned at below power stepped gear;
Described projector mechanism comprises: the projection housing vertically arranged, be suspended at projection housing in spool and volume put the projection cloth on spool, be provided with upper and lower two ends in described projection housing and be respectively arranged with hyoplastron, described spool is rotating to be vertically arranged on two described hyoplastrons, the upper and lower two ends of described spool are fixedly installed projection gear respectively, the described projection gear in upside engages with power stepped gear, the described projection gear in downside and stand-by still gears meshing, described projection housing is by upper and lower two described hyoplastrons and power transmission shaft and lower link arm axle, described projection cloth one end is fixed on support, the other end is fixed on spool, described projection cloth is equipped with multiple permanent magnet near steel plate layer side matrix form, tensioner spring bar is provided with between described spool and hyoplastron,
Described Wiping mechanism comprises: the wiping housing vertically arranged, be suspended at the wipe configuration in wiping housing and be arranged on the battery of wiping case top, described battery is provided with the attaching plug corresponding with the supply socket on wall, described wiping housing comprises: shell body and inner housing, described shell body and inner housing formation run through the upper and lower airstream compartment of wiping housing, described inner housing top is provided with air holes, described shell body top is provided with lower air holes, described airstream compartment is provided with circulating fan, described circulating fan is connected with battery by cable, described upper air holes and lower air holes are respectively arranged with bag dust filter,
The upper and lower two ends of described shell body connect hyoplastron to the involute curved one-tenth two of shell body, and described shell body connects hyoplastron by two and is connected with power transmission shaft and lower link arm axle respectively, and described wipe configuration is fixedly connected with two ends being connected hyoplastron;
Described wipe configuration comprises: the elastic support of X-shaped in the middle part of the wiper cord of two symmetrically arranged annulars, two runners at the supporting upper and lower two ends of wiper cord and multiple supporting wiper cord, two described runners of upside are fixed on by bolster and connect hyoplastron end, two described runners of upside engage with power stepped gear respectively by relay gear, described relay gear is fixedly connected with runner, and is rotatingly arranged on bolster; Described elastic support is fixed on two by plumbing bar series winding and connects between hyoplastrons and to be positioned at ring-type wiper cord, and two described runners of downside are fixed on by bolster and connect hyoplastron end, and described wiper cord and glass writing layer are conflicted.
Furtherly, the wiping of two described wiper cords is without being hairbrush or collodion.
Furtherly, upper rail and lower guideway are that arc bends to wall at support two ends, and the distance of described glass writing layer distance metope is greater than the width of wiping housing, and the distance of described glass writing layer distance metope is greater than the width of projection housing.
Compared with prior art, the beneficial effect acquired by the present invention is as follows:
The present invention has three parts to form substantially, steel plate layer is set when LED matrix is uniformly distributed use and can be positioned according to the luminous point of glass writing layer display, the use of ruler set square can be reduced, improve writing on the blackboard efficiency, and the light of LED does not affect the display effect of black and white after the glass writing layer of hair side.
The track of suspension arrangement and tooth bar one hanging function module can also provide power for functional module.
Projection cloth longitudinal curl is accommodated in projection housing, directly projection housing is shifted onto blackboard side time no, power wheel orders about spool rotation and is packed up by projection cloth, and along with the expansion of projection cloth when using, projection cloth is evenly distributed on blackboard, the uniform docile of absorption projection cloth is formed on blackboard between permanent magnet and steel plate layer, not only smooth but also can not be sagging; Steel plate layer and permanent magnet have glass writing layer suction so between the two can not be excessive, can extend the life-span of projection cloth.
Wiping mechanism obtains power by tooth bar and power stepped gear, relay gear by power transmission to runner, driven by rotating wheel two symmetrically arranged wiper cords rotate backward, the dust of wiping under the driving of circulating fan by air holes, airstream compartment and lower air holes carry out airflow circulating, in cyclic process, bag dust filter is by the filtering dust of chalk, avoid chalk dust dissipation, good integrity integrates several functions.
Collodion and hairbrush can be spaced apart, also can be arranged on separately both sides and strengthen wiping effect with the use of the collocation of, soft or hard.
Being extended forward by blackboard surface of support, no Wiping mechanism and projector mechanism can be placed on the sight line that both sides are avoided blocking in blackboard both sides.
Accompanying drawing explanation
Accompanying drawing 1 is plan structure schematic diagram of the present invention;
Accompanying drawing 2 is the cross-sectional view of projector mechanism of the present invention;
Accompanying drawing 3 is the cross-sectional view of Wiping mechanism of the present invention;
Accompanying drawing 4 is the structural representation of wipe configuration of the present invention;
In the accompanying drawings:
1 support, 11 walls, 21 steel plate layer, 22 glass writing layers, 23LED lamp pearl, 31 upper rails, 311 lower guideways, 32 upper blocks, 321 lower tumblers, 33 tooth bars, 34 power wheels, 35 link arm axles, 351 times link arm axles, 36 power transmission shafts, 37 power stepped gears, 371 stand-by still gears, 41 projection housings, 42 spools, 43 projection cloths, 44 hyoplastrons, 45 projection gears, 46 permanent magnets, 51 wiping shells, 511 shell bodies, 512 inner housings, 513 airstream compartments, air holes on 514, 515 times air holes, 516 circulating fans, 517 bag dust filters, 518 connect hyoplastron, 52 batteries, 53 supply sockets, 61 wiper cords, 62 runners, 63 elastic supports, 64 bolsters, 65 relay gears, 66 plumbing bars.
Detailed description of the invention
Below in conjunction with accompanying drawing 1-4, detailed further describing is carried out to the present invention.
A kind of multi-functional blackboard, it comprises the projector mechanism and the Wiping mechanism that are fixed on the blackboard on wall 11 by support 1 and are arranged on blackboard both sides respectively by suspension arrangement; Described blackboard comprises: the glass writing layer 22 of hair side and the LED lamp bead 23 of multiple matrix distribution in steel plate layer 21 outside the steel plate layer 21 of rectangle, the steel plate layer that is laid in, and described LED lamp bead 23 is conflicted through steel plate layer 21 and glass writing layer 22; Equally distributed LED lamp bead 23 can show uniform array of light spots in glass writing layer 22 desertification, during such use, picture straight line, oblique line, member can have good foundation, quick division blackboard surface amasss, light drafting form, especially setting up coordinate system and curve has well with reference to basic point, and the light that LED lamp bead 23 sends is through glass writing layer 22 scattering of hair side, the display effect of blackboard can not be affected, can turn off when not needing, convenient and practical, the use reducing ruler and set square improves efficiency of giving lessons.
Suspension arrangement comprises: upper suspended structure and lower suspension arrangement, described upper suspension arrangement comprises and arranges the upper rail 31 on the upside of support 1, the upper block 32 be embedded in upper rail 31, the power wheel 34 that is set in parallel in the tooth bar 33 on support 1 and engages with tooth bar 33 with upper rail 31, described upper block 32 is connected with power wheel 34 by link arm axle 35, one end of described upper block 32 and power wheel 34 is rotating is respectively arranged on link arm axle 35 two ends, and described power wheel 34 other end is fixedly installed dynamic stepped gear 37 by power transmission shaft 36; Described lower suspension arrangement comprises, the stand-by still gear 371 lower guideway 311 on the downside of support 1 being set, being embedded in the lower tumbler 321 in lower guideway 311 and being connected with lower guideway 311 by lower link arm axle 351, the two ends of link arm axle 351 under described lower guideway 311 and free to rotate being respectively arranged on of stand-by still gear 371, described stand-by still gear 371 is positioned at below power stepped gear 37; Work is carried out in the reciprocating motion of upper block 32 and lower tumbler 321 bootstrap module, tooth bar 33 provides the power of module work, upper rail 31 and lower tumbler 321 play suspension and guiding function, the power wheel 34 that tooth bar 33 engages provides power, power transmission shaft 36 and lower link arm axle 351 bear the weight of whole module by bearing, and self can also rotate.Module comprises projector mechanism and Wiping mechanism.
Projector mechanism comprises: the projection housing 41 vertically arranged, be suspended at the spool 42 in projection housing 41 and roll up and put the projection cloth 43 on spool 42, be provided with upper and lower two ends in described projection housing 41 and be respectively arranged with hyoplastron 44, described spool 42 is rotating to be vertically arranged on two described hyoplastrons 44, described spool about 42 two ends are fixedly installed projection gear 45 respectively, the described projection gear 45 in upside engages with power stepped gear 37, the described projection gear 45 in downside engages with stand-by still gear 371, described projection housing 41 is by upper and lower two described hyoplastrons 44 and power transmission shaft 36 and lower link arm axle 351, described projection cloth 43 one end is fixed on support 1, the other end is fixed on spool 42, described projection cloth 43 is equipped with multiple permanent magnet 46 near steel plate layer 21 side matrix form, tensioner spring bar is provided with between described spool 42 and hyoplastron 44, tensioner spring bar can make projection cloth 43 remain tight and avoid slack and undisciplined distortion of hanging down to, whole device is not in the side of blackboard the used time, projection housing 41 is promoted when needing, due to projection cloth 43 one end fix the other end tight be wrapped on spool 42, power wheel 34 thereupon rotational power stepped gear 37 drives the projection gear 45 of engagement, the projection cloth 43 be wrapped on spool 42 is released thereupon, permanent magnet 46 progressively can be adsorbed on blackboard surfacing, arrive correct position to stop promoting projection housing 41, projection cloth 43 launches to use, the elastic force of tensioner spring bar is not enough to be projector mechanism resilience, when packing up, under tensioner spring bar booster action, projection cloth is put on spool 42 at the driving last volume of power stepped gear 37.
Wiping mechanism comprises: the wiping housing 51 vertically arranged, be suspended at the wipe configuration in wiping housing 51 and be arranged on the battery 52 at wiping housing 51 top, described battery 52 is provided with the attaching plug corresponding with the supply socket 53 on wall 11, described wiping housing 51 comprises: shell body 511 and inner housing 512, described shell body 511 and inner housing 512 form the airstream compartment 513 running through wiping housing about 51, described inner housing 512 top is provided with air holes 514, described shell body 511 top is provided with lower air holes 515, described airstream compartment 513 is provided with circulating fan 516, described circulating fan 516 is connected with battery 52 by cable, described upper air holes 514 and lower air holes 515 are respectively arranged with bag dust filter 517, described shell body about 511 two ends curl into two and connect hyoplastron 518 in shell body 511, described shell body 511 connects hyoplastron 518 by two and is connected with power transmission shaft 36 and lower link arm axle 351 respectively, and described wipe configuration is fixedly connected with two ends being connected hyoplastron 518, blackboard wiping can cause flying upward of chalk dust, therefore shell body 511 makes chalk dust be in shell body 511 to whole wipe configuration formation sealing always, and inner housing 512 and shell body 511 form the airstream compartment 513 of up/down perforation, at airstream compartment 513, circulating fan 516 is installed, such fan starting can make the chalk dust air-flow of the gas in airstream compartment 513 and enclosed area exchange, hole 514 and the lower air holes 515 of being in the wind is respectively arranged with bag dust filter 517 and will carries out twice filtration to air-flow like this, complete dedusting and gather dust, during use, circulating fan 516 blows afloat as a direction all the time, air-flow is through two bag dust filters 517, promote wiping housing 51 to move back and forth on upper block 32 and lower tumbler 321, wipe configuration carries out wiping to blackboard surface, chalk dust is brought into the collection that bag dust filter 517 completes chalk dust by the circulation of air-flow, make teaching environment more clean.
Used time supply socket 53 is not connected with attaching plug and charges for battery 52, during use, supply socket 53 separates with attaching plug, battery 52 is powered for circulating fan 516, even if power failure circulating fan 516 also can work as usual, when power off time is very long, the function of blackboard wiping is unaffected.
Wipe configuration comprises: the elastic support 63 of X-shaped in the middle part of the wiper cord 61 of two symmetrically arranged annulars, two runners 62 at supporting wiper cord about 61 two ends and multiple supporting wiper cord 61, two described runners 62 of upside are fixed on by bolster 64 and connect hyoplastron 518 end, two described runners 62 of upside engage with power stepped gear 37 respectively by relay gear 65, described relay gear 65 is fixedly connected with runner 62, and is rotatingly arranged on bolster 64; Described elastic support 63 is fixed on two by plumbing bar 66 series winding and connects between hyoplastrons 518 and to be positioned at ring-type wiper cord 61, and two described runners 62 of downside are fixed on by bolster and connect hyoplastron 518 end, and described wiper cord 61 is conflicted with glass writing layer 22.For the glass writing layer 22 wipe configuration being exactly blackboard wiping, when two symmetrical wiper cords 61 move again, direction is contrary, power stepped gear 37 engages with two relay gears 65 simultaneously, as shown in Figure 3, and two relay gears 65 are positioned at power stepped gear 37 both sides when therefore power stepped gear 37 rotates, and two relay gear 65 directions of motion are contrary, the runner 62 be thereupon fixedly connected with relay gear 65 also can counter motion, therefore glass writing layer 22 is had to the wiping of both direction, wiping efficiency is high, the runner 62 of bottom plays supporting and tightens the effect of wiper cord 61, the stand-by still gear 371 of bottom plays stabilization to two wiper cords 61.The elastic support 63 of multiple X-shaped is also provided with between same wiper cord 61 two ends, these elastic supports 63 are contacted by plumbing bar 66 and are fixed, and elastic support 63 wiper cord 61 near glass writing layer 22 side is more adjacent to glass writing layer 22 strengthen wiping effect further, and elastic support 63 and the contact point of wiper cord 61 are rollers, reduce frictional force but can not reduce that further wiping effect is ensured to the pressure of wiper cord 61.
The wiping of wiper cord 61, without being hairbrush or collodion, same wiper cord 61 hairbrush and collodion can be arranged alternately, increases wiping effect further.
Upper rail 31 and lower guideway 311 are that arc bends to wall at support 1 two ends, and described glass writing layer 22 is greater than the width of wiping housing 51 apart from the distance of metope, and described glass writing layer 22 is greater than the width of projection housing 41 apart from the distance of metope.Collodion and hairbrush can be spaced apart, also can be arranged on separately both sides and strengthen wiping effect with the use of the collocation of, soft or hard.
Being extended forward by blackboard surface of support, no Wiping mechanism and projector mechanism can be placed on the sight line that both sides are avoided blocking in blackboard both sides.
The above embodiment is only the preferred embodiments of the present invention, and and the feasible enforcement of non-invention exhaustive.For persons skilled in the art, to any apparent change done by it under the prerequisite not deviating from the principle of the invention and spirit, all should be contemplated as falling with within claims of the present invention.
Claims (3)
1. a multi-functional blackboard, is characterized in that: it comprises the projector mechanism and the Wiping mechanism that are fixed on the blackboard on wall (11) by support (1) and are arranged on blackboard both sides respectively by suspension arrangement;
Described blackboard comprises: the glass writing layer (22) of hair side and the LED lamp bead (23) of multiple matrix distribution in steel plate layer (21) outside the steel plate layer (21) of rectangle, the steel plate layer that is laid in, and described LED lamp bead (23) is conflicted through steel plate layer (21) and glass writing layer (22);
Described suspension arrangement comprises: upper suspended structure and lower suspension arrangement, described upper suspension arrangement comprises the upper rail (31) arranging support (1) upside, be embedded in the upper block (32) in upper rail (31), the power wheel (34) being set in parallel in the tooth bar (33) on support (1) with upper rail (31) and engaging with tooth bar (33), described upper block (32) is connected with power wheel (34) by link arm axle (35), one end of described upper block (32) and power wheel (34) is rotating is respectively arranged on link arm axle (35) two ends, described power wheel (34) other end is fixedly installed dynamic stepped gear (37) by power transmission shaft (36), described lower suspension arrangement comprises, the stand-by still gear (371) lower guideway (311) of support (1) downside being set, being embedded in the lower tumbler (321) in lower guideway (311) and being connected with lower guideway (311) by lower link arm axle (351), the two ends of link arm axle (351) under described lower guideway (311) and free to rotate being respectively arranged on of stand-by still gear (371), described stand-by still gear (371) is positioned at power stepped gear (37) below,
Described projector mechanism comprises: the projection housing (41) vertically arranged, be suspended at the spool (42) in projection housing (41) and roll up and put the projection cloth (43) on spool (42), be provided with upper and lower two ends in described projection housing (41) and be respectively arranged with hyoplastron (44), described spool (42) is rotating to be vertically arranged on two described hyoplastrons (44), described spool (42) up and down two ends is fixedly installed projection gear (45) respectively, the described projection gear (45) in upside is engaged with power stepped gear (37), the described projection gear (45) in downside is engaged with stand-by still gear (371), (41 by upper and lower two described hyoplastrons (44) and power transmission shaft (36) and lower link arm axle (351) for described projection housing, described projection cloth (43) one end is fixed on support (1), the other end is fixed on spool (42), described projection cloth (43) is equipped with multiple permanent magnet (46) near steel plate layer (21) side matrix form, tensioner spring bar is provided with between described spool (42) and hyoplastron (44),
Described Wiping mechanism comprises: the wiping housing (51) vertically arranged, be suspended at the wipe configuration in wiping housing (51) and be arranged on the battery (52) at wiping housing (51) top, described battery (52) is provided with and the wall (attaching plug that the supply socket (53) on 11 is corresponding, described wiping housing (51) comprising: shell body (511) and inner housing (512), described shell body (511) and inner housing (512) formation run through the upper and lower airstream compartment (513) of wiping housing (51), described inner housing (512) top is provided with air holes (514), described shell body (511) top is provided with lower air holes (515), described airstream compartment (513) is provided with circulating fan (516), described circulating fan (516) is connected with battery (52) by cable, described upper air holes (514) and lower air holes (515) are respectively arranged with bag dust filter (517),
Described shell body (511) up and down two ends curls into two connections hyoplastron (518) in shell body (511), described shell body (511) connects hyoplastron (518) by two and is connected with power transmission shaft (36) and lower link arm axle (351) respectively, and described wipe configuration is connected hyoplastron (518) end with two is fixedly connected with;
Described wipe configuration comprises: the wiper cord (61) of two symmetrically arranged annulars, supporting wiper cord (61) is two runners (62) at two ends and the elastic support (63) of multiple supporting wiper cord (61) middle part X-shaped up and down, two described runners (62) of upside are fixed on by bolster (64) and connect hyoplastron (518) end, two described runners (62) of upside are engaged with power stepped gear (37) respectively by relay gear (65), described relay gear (65) is fixedly connected with runner (62), and be rotatingly arranged on bolster (64), described elastic support (63) is fixed on two by plumbing bar (66) series winding and connects between hyoplastron (518) and to be positioned at ring-type wiper cord (61), two described runners (62) of downside are fixed on by bolster and connect hyoplastron (518) end, and described wiper cord (61) and glass writing layer (22) are conflicted.
2. a kind of multi-functional blackboard according to claim 1, is characterized in that: the wiping of two described wiper cords (61) is without being hairbrush or collodion.
3. a kind of multi-functional blackboard according to claim 2, it is characterized in that: described upper rail (31) and lower guideway (311) are that arc bends to wall at support (1) two ends, the distance of described glass writing layer (22) distance metope is greater than the width of wiping housing (51), and the distance of described glass writing layer (22) distance metope is greater than the width of projection housing (41).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510606068.9A CN105150719B (en) | 2015-09-22 | 2015-09-22 | A kind of multi-functional blackboard |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510606068.9A CN105150719B (en) | 2015-09-22 | 2015-09-22 | A kind of multi-functional blackboard |
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| Publication Number | Publication Date |
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| CN105150719A true CN105150719A (en) | 2015-12-16 |
| CN105150719B CN105150719B (en) | 2017-07-07 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201510606068.9A Active CN105150719B (en) | 2015-09-22 | 2015-09-22 | A kind of multi-functional blackboard |
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| CN106263719A (en) * | 2016-08-31 | 2017-01-04 | 张集汇 | A kind of new teaching blackboard attachment means |
| CN106297428A (en) * | 2016-10-08 | 2017-01-04 | 河南财政税务高等专科学校 | Destination Management Multifunctional blackboard |
| CN106696546A (en) * | 2016-12-07 | 2017-05-24 | 济南鑫硕教学设备有限公司 | Blackboard |
| CN108705886A (en) * | 2018-07-09 | 2018-10-26 | 南京工业职业技术学院 | Device for blackboard eraser |
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| CN106297428A (en) * | 2016-10-08 | 2017-01-04 | 河南财政税务高等专科学校 | Destination Management Multifunctional blackboard |
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| CN108705886B (en) * | 2018-07-09 | 2023-07-18 | 南京工业职业技术学院 | Blackboard eraser device |
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|---|---|
| CN105150719B (en) | 2017-07-07 |
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