CN105667135A - Multifunctional teaching device - Google Patents

Multifunctional teaching device Download PDF

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Publication number
CN105667135A
CN105667135A CN201610164152.4A CN201610164152A CN105667135A CN 105667135 A CN105667135 A CN 105667135A CN 201610164152 A CN201610164152 A CN 201610164152A CN 105667135 A CN105667135 A CN 105667135A
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CN
China
Prior art keywords
fixed
board
education
block
offered
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
Application number
CN201610164152.4A
Other languages
Chinese (zh)
Inventor
余鹂
姜斌
方茜
涂桢源
徐可可
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Quzhou Kecheng District Wantian Township Center School
Original Assignee
Quzhou Kecheng District Wantian Township Center School
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Quzhou Kecheng District Wantian Township Center School filed Critical Quzhou Kecheng District Wantian Township Center School
Priority to CN201610164152.4A priority Critical patent/CN105667135A/en
Publication of CN105667135A publication Critical patent/CN105667135A/en
Pending legal-status Critical Current

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Classifications

    • BPERFORMING OPERATIONS; TRANSPORTING
    • B43WRITING OR DRAWING IMPLEMENTS; BUREAU ACCESSORIES
    • B43LARTICLES FOR WRITING OR DRAWING UPON; WRITING OR DRAWING AIDS; ACCESSORIES FOR WRITING OR DRAWING
    • B43L1/00Repeatedly-usable boards or tablets for writing or drawing
    • AHUMAN NECESSITIES
    • A47FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
    • A47BTABLES; DESKS; OFFICE FURNITURE; CABINETS; DRAWERS; GENERAL DETAILS OF FURNITURE
    • A47B97/00Furniture or accessories for furniture, not provided for in other groups of this subclass
    • A47B97/04Easels or stands for blackboards or the like
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B43WRITING OR DRAWING IMPLEMENTS; BUREAU ACCESSORIES
    • B43LARTICLES FOR WRITING OR DRAWING UPON; WRITING OR DRAWING AIDS; ACCESSORIES FOR WRITING OR DRAWING
    • B43L21/00Blackboard or slate cleaning devices
    • B43L21/02Blackboard or slate cleaning devices with means for absorbing the chalk dust

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  • Drawing Aids And Blackboards (AREA)

Abstract

The invention provides a multifunctional teaching device and belongs to the technical field of teaching. The multifunctional teaching device comprises a base, a teaching board and a teaching board eraser. Universal wheels are fixed to the base. A driving motor is fixed to the base. A vertical plate is fixed to the end of an output shaft of the driving motor. A groove is formed in the vertical plate. A first sliding block is arranged in the groove. A first lifting positioning mechanism is arranged on the vertical plate. A second sliding block is arranged in the groove. A first sliding rail is fixed to the second sliding block. A second lifting positioning mechanism is arranged on the vertical plate. A first adjustment block is arranged on the first sliding rail. A second telescopic air cylinder is fixed to the first adjustment block. An installation plate is fixed to the end of a piston rod of the second telescopic air cylinder. The installation plate is provided with a projector. The teaching board eraser comprises a first body and a second body. The multifunctional teaching device has the advantages that the position of the teaching board and the position of the projector can be adjusted, and chalk characters on the teaching board can be effectively erased.

Description

Multifunctional teaching device
Technical field
The invention belongs to teaching technical field, it relates to a kind of instructional device, particularly a kind of Multifunctional teaching device.
Background technology
Board of education, is namely engaged in the utensil that education sector is write demonstration and used, and usual board of education is the plate face being placed in classroom or in meeting room, with chalk or free ink pen written contents, plays the effect of explanation demonstration.
At present, traditional board of education teaching efficiency is low, is be fixed on metope due to board of education. Thinking in political affairs teaching, teacher needs to write too much writing on the blackboard, and board of education limited space, writing of board of education eminence blank space can be caused to bring difficulty because of some factor. And projector and board of education arrange separately, thus the process of projector installation and debugging is also that comparison is time-consuming, meanwhile, often because light problem in teaching process, causes the student on some position to be difficult to the word seeing clearly in board of education. In addition, producing chalk dust in a large number when board of education wiped by teaching of use plate, chalk flies upward everywhere, and what have drops on clothes, what have is drawn in health by the student of surrounding, teacher, not only the environment of surrounding is polluted and also endangers the healthy of people.
Owing to there is above-mentioned problem, so, for those skilled in the art, it need to develop one and board of education and projector can be carried out position adjustments, simultaneously, moreover it is possible to the instructional device of the letter written with chalk in more effective removing board of education.
Summary of the invention
It is an object of the invention to there are the problems referred to above for existing technology, it is proposed that a kind of Multifunctional teaching device, this Multifunctional teaching device has and board of education and projector can be carried out position adjustments, moreover it is possible to the feature of the letter written with chalk in more effective removing board of education.
The object of the present invention realizes by following technical proposal:
Multifunctional teaching device, comprise base, board of education and setting board of education sassafras on the teaching board, it is characterized in that, described base is fixed with some universal take turns, and base is also fixed with a drive-motor, the output shaft of drive-motor is straight up, drive-motor output shaft end is fixed with perpendicular plate, the one side of described perpendicular plate has vertically offered groove, slide in described groove and it is provided with slide block one, described board of education is vertically fixed on slide block one, described perpendicular plate is also provided with can drive board of education along groove up and down lifting lift locating device one, also slide in described groove and it is provided with slide block two, slide block two is positioned at the surface of slide block one, on described slide block two, level is fixed with slide rail one, described perpendicular plate is also provided with can drive slide rail one along groove up and down lifting lift locating device two, described slide rail one slides be provided with and regulate block one, on slide rail one, also level is fixed with telescopic cylinder one, the piston rod end of telescopic cylinder one is fixed on and regulates on block one, and regulate level on block one to be fixed with telescopic cylinder two, and telescopic cylinder two piston rod towards with telescopic cylinder one piston towards mutually vertical, the piston rod end of telescopic cylinder two is fixed with mounting plate, mounting plate is provided with a projector on the one side of board of education, the upper surface of described board of education is fixed with transverse slat, an installation groove has been offered below described transverse slat, it is provided with head light in described installation groove, the lower surface of described board of education is fixed with a bracket, described board of education sassafras is slidably arranged between transverse slat and bracket, comprise body one and it is fixed on the body two of body one one side, described body one has cavity, the one side of body one is fixed with hairbrush one, a piston vertically it is provided with in the cavity of described body, the cavity of body one is divided into left cavity and right cavity by piston, and the outer wall of piston is close to this one cavity inwall, the one side of described body one has offered a strip hole, and strip hole communicates with the left cavity of body one, piston is fixed with a stripper plate on the one side of strip hole, described stripper plate passes strip hole, and stripper plate mates mutually with strip hole, water outlet has been offered in the upper end that described body one fixes hairbrush one one side, and water outlet communicates with right cavity, described water outlet is connected with a delivery hose, described body two has inner chamber, the one side of described body two is fixed with hairbrush two, some heat blocks it are provided with in the inner chamber of body two, and body two fixes and offers some through holes for dispelling the heat on the one side of hairbrush two.
The lift locating device one that perpendicular plate in this Multifunctional teaching device is provided with, board of education can be driven to slide up and down along the groove on perpendicular plate, it is thus possible to realize board of education lifting location up and down, teacher or student is more conducive to write writing on the blackboard, and slide block two slides along groove, it is thus possible to prevent mounting plate from blocking board of education, simultaneously, drive-motor can drive perpendicular plate to rotate, drive board of education is rotated, it is thus possible to expand visibility scope, the head light being arranged in transverse slat installation groove can provide light, and bracket can put teaching aid;Perpendicular plate is fixed with slide rail one, telescopic cylinder one can promote and regulate block one along slide rail one slip, regulate the telescopic cylinder two on block one can regulate the spacing between mounting plate and board of education, thus realize the position adjustments that projector can carry out left and right, front and back according to particular case, it is to increase drop shadow effect; By pressing stripper plate can promote piston from the left cavity of body one to the right cavity move, it is possible to the water in right cavity is squeezed out by the water outlet pipe part on water outlet such that it is able to soak hairbrush one, it is achieved board of education is carried out wet wiping; Promoting body one that body two can be driven to move, the heat block in body two inner chamber can be dispelled the heat to hairbrush two by through hole simultaneously such that it is able to wipe stay after board of education on the teaching board water stain except drying.
In above-mentioned Multifunctional teaching device, described mounting plate is vertically fixed with slide rail two on the one side of board of education, some pilot holes offered by described slide rail two, slide rail two slides be provided with and regulate block two, and regulate and block two has offered threaded hole and by bolt nut, adjustment block two is positioned, described projector is fixed on and regulates block two towards on the one side of board of education. Regulate block two can carry out position adjustments on slide rail two, and realize location through threaded hole and pilot hole by bolt simultaneously, thus realize projector and can carry out upper and lower position adjustments according to particular case, thus improve drop shadow effect.
In above-mentioned Multifunctional teaching device, described lift locating device one comprises rotary electric machine, screw mandrel, nut and bearing, described rotary electric machine is fixed on perpendicular plate, and the output shaft of rotary electric machine is straight up, the lower end of described screw mandrel is connected by shaft coupling mutually with the output shaft of rotary electric machine, the upper end of screw mandrel is fixed with a stop nut, above-mentioned slide block one has vertically offered an open holes, the outer ring of described bearing and open holes shrink-fit, the outer wall of described stop nut is fixed in the inner ring of bearing, and stop nut is threaded on screw mandrel. Rotary electric machine works, if making output shaft rotate forward, drives screw mandrel to rotate forward by shaft coupling, the stop nut reversion on screw mandrel, and such stop nut will order about bearing and upwards move, and drives board of education upwards to move eventually through bearing; If making output shaft reverse, driving screw mandrel reversion by shaft coupling, the stop nut on screw mandrel rotates forward, and such stop nut will order about bearing and move downward, and drives board of education to move downward together eventually through bearing.
In above-mentioned Multifunctional teaching device, described lift locating device two comprises the lift cylinder being vertically fixed on perpendicular plate, and straight down, the end winding support of lift cylinder piston rod is at the upper surface of slide block two for the piston rod of described lift cylinder. Can be slided along groove by band movable slider two by lift cylinder such that it is able to prevent mounting plate from blocking board of education.
In above-mentioned Multifunctional teaching device, in described board of education, level has offered chute one and chute two, described chute one is positioned at the surface of chute two, slide in chute one and it is provided with movable block one, sliding in chute two and be provided with movable block two, the two ends of described body one are separately fixed on movable block one and movable block two. The two ends of body one are separately fixed on movable block one and movable block two, thus by promoting body, it is possible to realize body along chute one and chute two slip.
In above-mentioned Multifunctional teaching device, the upper surface of described body one has offered water-in, and water-in communicates with the right cavity of body one, and described water-in is provided with a closed cover. To water filling in the cavity of body one, and can be sealed by closed cover by water-in.
In above-mentioned Multifunctional teaching device, the outer wall of described piston is arranged with seal cartridge.Seal cartridge sheathed on the outer wall of piston, it is possible to prevent the water permeation in the right cavity of body one in left cavity.
In above-mentioned Multifunctional teaching device, described bracket is coated with one layer of rubber layer. Bump against on bracket it is thus possible to avoid student to meet accident.
Compared with prior art, the instructional device of this improvement has the following advantages:
1, the board of education in the present invention can slide up and down along the groove on perpendicular plate such that it is able to realizes board of education lifting location up and down, is more conducive to teacher or student to write writing on the blackboard, and slide block two slides along groove such that it is able to prevent mounting plate from blocking board of education.
2, the perpendicular plate of the present invention is fixed with slide rail one, telescopic cylinder one can promote and regulate block one along slide rail one slip, regulate the telescopic cylinder two on block one can regulate the spacing between mounting plate and board of education, regulate block two can carry out position adjustments on slide rail two, thus realize the position adjustments that projector can carry out top to bottom, left and right, front and rear according to particular case, thus improve drop shadow effect.
3, the present invention by pressing stripper plate can promote piston from the left cavity of body one to the right cavity move, water in right cavity can be squeezed out by the water outlet pipe part on water outlet, it is thus possible to soak hairbrush one, realize board of education carries out wet wiping, simultaneously, promoting body one that body two can be driven to move, the heat block in body two inner chamber can be dispelled the heat to hairbrush two by through hole simultaneously such that it is able to wipe stay after board of education on the teaching board water stain except drying.
Accompanying drawing explanation
Fig. 1 is the perspective view of the present invention;
Fig. 2 is the left view structural representation of the present invention;
Fig. 3 is the sectional structure schematic diagram of board of education sassafras in the present invention;
Fig. 4 is the rear TV structure schematic diagram of board of education sassafras in the present invention.
In figure, 1, base; 2, perpendicular plate; 3, board of education; 4, slide block one; 5, rotary electric machine; 6, screw mandrel; 7, slide block two; 8, slide rail one; 9, block one is regulated; 10, lift cylinder; 11, telescopic cylinder one; 12, telescopic cylinder two; 13, mounting plate; 14, slide rail two; 15, block two is regulated; 16, projector; 17, through hole; 18, body one; 19, body two; 20, hairbrush one; 21, piston; 22, left cavity; 23, right cavity; 24, stripper plate; 25, delivery hose; 26, hairbrush two; 27, heat block; 28, drive-motor; 29, transverse slat; 30, bracket.
Embodiment
The following is specific embodiments of the invention and by reference to the accompanying drawings, the technical scheme of the present invention is further described, but the present invention is not limited to these embodiments.
As shown in Figure 1, Multifunctional teaching device, the board of education sassafras comprising base 1, board of education 3 and being arranged in board of education 3, base 1 is fixed with some universal take turns. base 1 is also fixed with a drive-motor 28, the output shaft of drive-motor 28 is straight up, drive-motor 28 output shaft end is fixed with perpendicular plate 2, the one side of perpendicular plate 2 has vertically offered groove, slide in groove and it is provided with slide block 1, board of education 3 is vertically fixed on slide block 1, perpendicular plate 2 is also provided with the lift locating device one that board of education 3 can be driven along groove lifting up and down, comprise rotary electric machine 5, screw mandrel 6, nut and bearing, rotary electric machine 5 is fixed on perpendicular plate 2, and the output shaft of rotary electric machine 5 is straight up, the lower end of screw mandrel 6 is connected by shaft coupling mutually with the output shaft of rotary electric machine 5, the upper end of screw mandrel 6 is fixed with a stop nut, above-mentioned slide block 1 has vertically offered an open holes, the outer ring of described bearing and open holes shrink-fit, the outer wall of stop nut is fixed in the inner ring of bearing, and stop nut is threaded on screw mandrel 6.Rotary electric machine 5 works, if making output shaft rotate forward, drives screw mandrel 6 to rotate forward by shaft coupling, the stop nut reversion on screw mandrel 6, and such stop nut will order about bearing and upwards move, and drives board of education 3 upwards to move eventually through bearing; If making output shaft reverse, driving screw mandrel 6 to reverse by shaft coupling, the stop nut on screw mandrel 6 rotates forward, and such stop nut will order about bearing and move downward, and drives board of education 3 to move downward together eventually through bearing.
As shown in Figure 2, also slide in groove and it is provided with slide block 27, slide block 27 is positioned at the surface of slide block 1, on described slide block 27, level is fixed with slide rail 1, described perpendicular plate 2 is also provided with can drive slide rail 1 along groove up and down lifting lift locating device two, comprising the lift cylinder 10 being vertically fixed on perpendicular plate 2, straight down, the end winding support of lift cylinder 10 piston 21 bar is at the upper surface of slide block 27 for piston 21 bar of described lift cylinder 10. Can be slided along groove by band movable slider 27 by lift cylinder 10 such that it is able to prevent mounting plate 13 from blocking board of education 3. Slide rail 1 slides be provided with and regulate block 1, on slide rail 1, also level is fixed with telescopic cylinder 1, piston 21 boom end of telescopic cylinder 1 is fixed on and regulates on block 1, and regulate level on block 1 to be fixed with telescopic cylinder 2 12, and telescopic cylinder 2 12 piston 21 bar towards with telescopic cylinder 1 piston 21 towards mutually vertical, piston 21 boom end of telescopic cylinder 2 12 is fixed with mounting plate 13, and mounting plate 13 is provided with a projector 16 on the one side of board of education 3.
Mounting plate 13 is vertically fixed with slide rail 2 14 on the one side of board of education 3, pilot hole offered by described slide rail 2 14, slide rail 2 14 slides be provided with and regulate block 2 15, and regulate and block 2 15 has offered threaded hole and by bolt nut, adjustment block 2 15 is positioned, described projector 16 is fixed on and regulates block 2 15 towards on the one side of board of education 3. Regulate block 2 15 can carry out position adjustments on slide rail 2 14, and realize location through threaded hole and pilot hole by bolt simultaneously, thus realize projector 16 and can carry out upper and lower position adjustments according to particular case, thus improve drop shadow effect.
As shown in Figure 3 and Figure 4, the upper surface of board of education 3 is fixed with transverse slat 29, an installation groove has been offered below transverse slat 29, install in groove and it is provided with head light, the lower surface of board of education 3 is fixed with a bracket 30, bracket 30 is coated with one layer of rubber layer such that it is able to avoid student to meet accident and bump against on bracket 30. board of education sassafras is slidably arranged between transverse slat 29 and bracket 30, comprise body 1 and it is fixed on the body 2 19 of body 1 one side, body 1 has cavity, the one side of body 1 is fixed with hairbrush 1, a piston 21 vertically it is provided with in the cavity of body, the cavity of body 1 is divided into left cavity 22 and right cavity 23 by piston 21, the outer wall of piston 21 is close to this one cavity inwall, the one side of body 1 has offered a strip hole, and strip hole cavity 22 left with body 1 communicates, piston 21 is fixed with a stripper plate 24 on the one side of strip hole, stripper plate 24 passes strip hole, and stripper plate 24 mates mutually with strip hole, water outlet has been offered in the upper end of fixing hairbrush 1 one side of body 1, and water outlet communicates with right cavity 23, water outlet is connected with a delivery hose 25, body 2 19 has inner chamber, the one side of body 2 19 is fixed with hairbrush 2 26, some heat blocks 27 it are provided with in the inner chamber of body 2 19, and the one side of the fixing hairbrush 2 26 of body 2 19 offers some through holes 17 for dispelling the heat.
Specifically, in board of education 3, level has offered chute one and chute two, and chute one is positioned at the surface of chute two, and sliding in chute one is provided with movable block one, sliding in chute two and be provided with movable block two, the two ends of body 1 are separately fixed on movable block one and movable block two. The two ends of body 1 are separately fixed on movable block one and movable block two, thus by promoting body, it is possible to realize body along chute one and chute two slip. The upper surface of body 1 has offered water-in, and water-in cavity 23 right with body 1 communicates, and described water-in is provided with a closed cover, to water filling in the cavity of body 1, and can be sealed by closed cover by water-in. The outer wall of piston 21 is arranged with seal cartridge, seal cartridge sheathed on the outer wall of piston 21, it is possible to prevent the water permeation in the right cavity of body 1 23 in left cavity 22.
Summary, the lift locating device one that perpendicular plate 2 in this Multifunctional teaching device is provided with, board of education 3 can be driven to slide up and down along the groove on perpendicular plate 2, it is thus possible to realize board of education about 3 lifting location, teacher or student is more conducive to write writing on the blackboard, and slide block 27 slides along groove, it is thus possible to prevent mounting plate 13 from blocking board of education 3, simultaneously, drive-motor 28 can drive perpendicular plate 2 to rotate, board of education 3 is driven to rotate, it is thus possible to expand visibility scope, it is arranged on the head light that transverse slat 29 installs in groove and light can be provided, and bracket 30 can put teaching aid, perpendicular plate 2 is fixed with slide rail 1, telescopic cylinder 1 can promote and regulate block 1 to slide along slide rail 1, regulate the telescopic cylinder 2 12 on block 1 can regulate the spacing between mounting plate 13 and board of education 3, thus realize the position adjustments that projector 16 can carry out left and right, front and back according to particular case, thus improve drop shadow effect, by pressing stripper plate 24 can promote piston 21 from the left cavity 22 of body 1 to the right cavity 23 move, water in right cavity 23 can be squeezed out by the water outlet pipe part on water outlet, it is thus possible to soak hairbrush 1, it is achieved board of education 3 to be carried out wet wiping, promoting body 1 that body 2 19 can be driven to move, the heat block 27 in body 2 19 inner chamber can dispel the heat to hairbrush 2 26 by through hole 17 simultaneously such that it is able to water stain except what stay in board of education 3 after wiping board of education 3 of drying.
Specific embodiment described herein is only to the present invention's spirit explanation for example. Described specific embodiment can be made various amendment or supplements or adopt similar mode to substitute by those skilled in the art, but can't deviate the spirit of the present invention or surmount the scope that appended claims defines.
Although more employing 1 herein, base; 2, perpendicular plate; 3, board of education; 4, slide block one; 5, rotary electric machine; 6, screw mandrel; 7, slide block two; 8, slide rail one; 9, block one is regulated; 10, lift cylinder; 11, telescopic cylinder one; 12, telescopic cylinder two; 13, mounting plate; 14, slide rail two; 15, block two is regulated; 16, projector; 17, through hole; 18, body one; 19, body two; 20, hairbrush one; 21, piston; 22, left cavity; 23, right cavity; 24, stripper plate; 25, delivery hose; 26, hairbrush two; 27, heat block; 28, drive-motor; 29, transverse slat; 30, the term such as bracket, but do not get rid of the possibility using other term. These terms are used to be only used to describe more easily and explain the essence of the present invention; They are construed to any a kind of additional restriction all disagree with the present invention's spirit.

Claims (8)

1. Multifunctional teaching device, comprise base, board of education and setting board of education sassafras on the teaching board, it is characterized in that, described base is fixed with some universal take turns, and base is also fixed with a drive-motor, the output shaft of drive-motor is straight up, drive-motor output shaft end is fixed with perpendicular plate, the one side of described perpendicular plate has vertically offered groove, slide in described groove and it is provided with slide block one, described board of education is vertically fixed on slide block one, described perpendicular plate is also provided with can drive board of education along groove up and down lifting lift locating device one, also slide in described groove and it is provided with slide block two, slide block two is positioned at the surface of slide block one, on described slide block two, level is fixed with slide rail one, described perpendicular plate is also provided with can drive slide rail one along groove up and down lifting lift locating device two, described slide rail one slides be provided with and regulate block one, on slide rail one, also level is fixed with telescopic cylinder one, the piston rod end of telescopic cylinder one is fixed on and regulates on block one, and regulate level on block one to be fixed with telescopic cylinder two, and telescopic cylinder two piston rod towards with telescopic cylinder one piston towards mutually vertical, the piston rod end of telescopic cylinder two is fixed with mounting plate, mounting plate is provided with a projector on the one side of board of education,The upper surface of described board of education is fixed with transverse slat, an installation groove has been offered below described transverse slat, it is provided with head light in described installation groove, the lower surface of described board of education is fixed with a bracket, described board of education sassafras is slidably arranged between transverse slat and bracket, comprise body one and it is fixed on the body two of body one one side, described body one has cavity, the one side of body one is fixed with hairbrush one, a piston vertically it is provided with in the cavity of described body, the cavity of body one is divided into left cavity and right cavity by piston, and the outer wall of piston is close to this one cavity inwall, the one side of described body one has offered a strip hole, and strip hole communicates with the left cavity of body one, piston is fixed with a stripper plate on the one side of strip hole, described stripper plate passes strip hole, and stripper plate mates mutually with strip hole, water outlet has been offered in the upper end that described body one fixes hairbrush one one side, and water outlet communicates with right cavity, described water outlet is connected with a delivery hose, described body two has inner chamber, the one side of described body two is fixed with hairbrush two, some heat blocks it are provided with in the inner chamber of body two, and body two fixes and offers some through holes for dispelling the heat on the one side of hairbrush two.
2. Multifunctional teaching device according to claim 1, it is characterized in that, described mounting plate is vertically fixed with slide rail two on the one side of board of education, some pilot holes offered by described slide rail two, slide rail two slides be provided with and regulate block two, and regulate and block two has offered threaded hole and by bolt nut, adjustment block two is positioned, described projector is fixed on and regulates block two towards on the one side of board of education.
3. Multifunctional teaching device according to claim 1, it is characterized in that, described lift locating device one comprises rotary electric machine, screw mandrel, nut and bearing, described rotary electric machine is fixed on perpendicular plate, and the output shaft of rotary electric machine is straight up, the lower end of described screw mandrel is connected by shaft coupling mutually with the output shaft of rotary electric machine, the upper end of screw mandrel is fixed with a stop nut, above-mentioned slide block one has vertically offered an open holes, the outer ring of described bearing and open holes shrink-fit, the outer wall of described stop nut is fixed in the inner ring of bearing, and stop nut is threaded on screw mandrel.
4. Multifunctional teaching device according to claim 3, it is characterized in that, described lift locating device two comprises the lift cylinder being vertically fixed on perpendicular plate, and straight down, the end winding support of lift cylinder piston rod is at the upper surface of slide block two for the piston rod of described lift cylinder.
5. Multifunctional teaching device according to claim 1, it is characterized in that, in described board of education, level has offered chute one and chute two, described chute one is positioned at the surface of chute two, slide in chute one and it is provided with movable block one, sliding in chute two and be provided with movable block two, the two ends of described body one are separately fixed on movable block one and movable block two.
6. Multifunctional teaching device according to claim 5, it is characterised in that, the upper surface of described body one has offered water-in, and water-in communicates with the right cavity of body one, and described water-in is provided with a closed cover.
7. Multifunctional teaching device according to claim 6, it is characterised in that, the outer wall of described piston is arranged with seal cartridge.
8. Multifunctional teaching device according to claim 1, it is characterised in that, described bracket is coated with one layer of rubber layer.
CN201610164152.4A 2016-03-22 2016-03-22 Multifunctional teaching device Pending CN105667135A (en)

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CN106696564A (en) * 2017-02-06 2017-05-24 钱珅东 Blackboard cleaning entertainment device for accountant teaching
CN107731018A (en) * 2017-11-01 2018-02-23 翟文杰 A kind of multi-modal translation teaching device of visualization based on internet
CN108422773A (en) * 2018-06-08 2018-08-21 荆门市中楚清源环保科技有限公司 A kind of multifunctional environment friendly blackboard
CN108499938A (en) * 2018-05-15 2018-09-07 芜湖威灵数码科技有限公司 A kind of cleaning device of line holographic projections
CN109084002A (en) * 2018-07-18 2018-12-25 嘉善圣士得毛皮服饰有限公司 A kind of mobile mechanism
CN109198876A (en) * 2018-09-20 2019-01-15 哈尔滨金融学院 Hidden law teaching integral type teaching equipment and installation and application
CN112315188A (en) * 2020-09-29 2021-02-05 河北中医学院 Teaching aid
CN114654919A (en) * 2021-05-20 2022-06-24 无锡科技职业学院 Training demonstration device for human resource management

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CN102442121A (en) * 2010-10-08 2012-05-09 吴军来 Automatic blackboard
CN203902051U (en) * 2014-05-25 2014-10-29 陶文卿 Movable type environmentally-friendly teaching board
CN104015526A (en) * 2014-05-31 2014-09-03 张宁 Chinese multimedia teaching blackboard
CN204451754U (en) * 2015-03-08 2015-07-08 申纳川 A kind of Dust-reducing blackboard is wiped
CN204736627U (en) * 2015-07-07 2015-11-04 湖北工程职业学院 Think political affairs classroom teaching device
CN204998218U (en) * 2015-09-30 2016-01-27 王琛凯 Blackboard eraser

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CN106696564A (en) * 2017-02-06 2017-05-24 钱珅东 Blackboard cleaning entertainment device for accountant teaching
CN106696564B (en) * 2017-02-06 2018-10-30 吴超 A kind of Accounting Course blackboard cleaning device
CN107731018A (en) * 2017-11-01 2018-02-23 翟文杰 A kind of multi-modal translation teaching device of visualization based on internet
CN108499938A (en) * 2018-05-15 2018-09-07 芜湖威灵数码科技有限公司 A kind of cleaning device of line holographic projections
CN108422773A (en) * 2018-06-08 2018-08-21 荆门市中楚清源环保科技有限公司 A kind of multifunctional environment friendly blackboard
CN109084002A (en) * 2018-07-18 2018-12-25 嘉善圣士得毛皮服饰有限公司 A kind of mobile mechanism
CN109198876A (en) * 2018-09-20 2019-01-15 哈尔滨金融学院 Hidden law teaching integral type teaching equipment and installation and application
CN112315188A (en) * 2020-09-29 2021-02-05 河北中医学院 Teaching aid
CN114654919A (en) * 2021-05-20 2022-06-24 无锡科技职业学院 Training demonstration device for human resource management

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