CN114953812A - Switching type teaching is with teaching board - Google Patents
Switching type teaching is with teaching board Download PDFInfo
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- CN114953812A CN114953812A CN202210567895.1A CN202210567895A CN114953812A CN 114953812 A CN114953812 A CN 114953812A CN 202210567895 A CN202210567895 A CN 202210567895A CN 114953812 A CN114953812 A CN 114953812A
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- fixedly connected
- dust
- teaching
- felt
- rear side
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B43—WRITING OR DRAWING IMPLEMENTS; BUREAU ACCESSORIES
- B43L—ARTICLES FOR WRITING OR DRAWING UPON; WRITING OR DRAWING AIDS; ACCESSORIES FOR WRITING OR DRAWING
- B43L1/00—Repeatedly-usable boards or tablets for writing or drawing
- B43L1/04—Blackboards
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- A—HUMAN NECESSITIES
- A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
- A47B—TABLES; DESKS; OFFICE FURNITURE; CABINETS; DRAWERS; GENERAL DETAILS OF FURNITURE
- A47B97/00—Furniture or accessories for furniture, not provided for in other groups of this subclass
- A47B97/001—Wall mounting or suspension arrangements for blackboards or the like
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B43—WRITING OR DRAWING IMPLEMENTS; BUREAU ACCESSORIES
- B43L—ARTICLES FOR WRITING OR DRAWING UPON; WRITING OR DRAWING AIDS; ACCESSORIES FOR WRITING OR DRAWING
- B43L21/00—Blackboard or slate cleaning devices
- B43L21/02—Blackboard or slate cleaning devices with means for absorbing the chalk dust
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B43—WRITING OR DRAWING IMPLEMENTS; BUREAU ACCESSORIES
- B43L—ARTICLES FOR WRITING OR DRAWING UPON; WRITING OR DRAWING AIDS; ACCESSORIES FOR WRITING OR DRAWING
- B43L21/00—Blackboard or slate cleaning devices
- B43L21/04—Wiper holders
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- Drawing Aids And Blackboards (AREA)
Abstract
The invention relates to the field of teaching boards, in particular to a switching type teaching board for teaching. The technical problem is that: when current equipment cleared away the handwriting, the mr need stop the lecture and write, waits to erase the mechanism and accomplishes the handwriting on the teaching board and erase and reset the back, and the mr just can continue to carry out the operation such as lecture and writing, leads to the process of giving lessons to interrupt to reduce the linkage of teaching. The technical scheme is as follows: a switching type teaching board for teaching comprises a supporting frame, a switching component and the like; a switching component is arranged between the two supporting frames. When the blackboard eraser is used, the first blackboard, the second blackboard and the first felt eraser are matched with the second felt eraser, the switching type writing and handwriting cleaning procedures are realized, the continuity of teaching is greatly improved, the influence on the understanding of students on teaching contents due to the fact that the teaching is stopped and stopped is avoided, the grooves are formed in the two ends of the rear side of the first felt eraser, the phenomenon that dust is scattered to the air from the edge of the first felt eraser in the handwriting process is reduced, and therefore indoor environment pollution is reduced.
Description
Technical Field
The invention relates to the field of teaching boards, in particular to a switching type teaching board for teaching.
Background
The existing Chinese patent: a teaching board (CN112078278A) for education and teaching is fixed on a wall through a wall fixing plate and can also be supported by a supporting telescopic rod and an inclined supporting frame, so that the use flexibility of the teaching board is improved; when in use, the moving mechanism drives the erasing mechanism to move, so that a plurality of erasing brushes can rapidly erase chalk marks in a large range without the operation of a teacher, thereby preventing the condition that a large amount of dust generated by erasing influences the health of the teacher from occurring, in addition, the dust collecting mechanism can collect and store the dust of bulk materials through the powder scraping plate and the collecting tank, thereby being convenient for unified treatment, reducing the cleaning difficulty, enhancing the practicability of the teaching board, in the process of erasing the handwriting on the teaching board by the erasing mechanism, the teacher needs to stop teaching and writing, and after the erasing mechanism erases the handwriting on the teaching board and resets, the teacher can continue the operations of teaching and writing, and the like, so that the teaching process is interrupted, therefore, the continuity of teaching is reduced, the understanding of the teaching content by students is not facilitated, and the precious classroom time is wasted.
Disclosure of Invention
The invention provides a switching type teaching board for teaching, which aims to overcome the defects that when the existing equipment is used for removing handwriting, a teacher needs to stop teaching and writing, and after a mechanism to be erased erases the handwriting on the teaching board and resets the handwriting, the teacher can continue to carry out operations such as teaching and writing, so that the teaching process is interrupted, and the continuity of teaching is reduced.
The technical scheme of the invention is as follows: a switching type teaching board for teaching comprises a wall body, a supporting frame, a first blackboard, a first felt eraser, a first baffle, a first dust absorption pad, a long pipe, a switching assembly and a cleaning assembly; the upper part and the lower part of the front side of the wall body are fixedly connected with a supporting frame; the middle part of the front side of the wall body is fixedly connected with a first blackboard; a switching component for switching writing and erasing handwriting is arranged between the two support frames; the left part of the switching component is connected with a first felt wiper, and the left part of the rear side and the right part of the rear side of the first felt wiper are both provided with an arc-shaped groove; the first felt eraser is in contact with the first blackboard; the left part of the rear side and the right part of the rear side of the first felt eraser are fixedly connected with a first baffle; two opposite sides of the first baffle plates are fixedly connected with a first dust absorption pad; the two first dust absorption pads are both contacted with the first felt wiper; the two first baffle plates are in contact with the first blackboard; in the process of erasing handwriting by the switching assembly, dust scattered from the rear side edge of the first felt eraser flows into the two arc grooves on the first felt eraser, the dust is prevented from diffusing outwards by the two first baffles, and the dust is adsorbed by the first dust absorption pad; a cleaning component for coated dust removal is arranged between the right parts of the two support frames; the middle part of the cleaning component is connected with four long pipes which are arranged in a horizontal array; will be attached to the dust vibrations that first felt wiped the rear side through the long tube and fall, evenly absorb the dust that falls through the long tube.
More preferably, two first cavities are formed among the first blackboard, the first felt eraser, the two first baffles and the two first dust absorption pads.
More preferably, the middle part of the long tube is provided with a plurality of first round holes, and the two ends of the long tube are provided with a plurality of second round holes.
More preferably, the switching component comprises an electric slide rail, an electric slide block, a second blackboard, a covering set and a cleaning set; an electric slide rail is fixedly connected inside each of the two support frames; an electric sliding block is connected to each of the two electric sliding rails in a sliding manner; a second blackboard is fixedly connected between the two electric sliding blocks; the rear side of the second blackboard is fixedly connected with the first felt eraser; a covering set is arranged between the right parts of the two supporting frames; the rear side of the covering set is provided with a cleaning set.
More preferably, the covering assembly comprises a fixed block, a cover plate and a fixed knob; a fixed block is fixedly connected to the right part of the front side of each support frame; a cover plate is connected between the two fixing blocks in a sliding manner; two fixed knobs are screwed on the right part of the cover plate; the two fixed knobs are respectively screwed with the two support frames.
More preferably, the cleaning assembly comprises a second felt wiper, a second baffle and a second dust absorption pad; a second felt wiper is fixedly connected to the left part of the rear side of the cover plate; a second baffle is fixedly connected to the left part of the rear side and the right part of the rear side of the second felt wiper; two second baffles are fixedly connected with a second dust absorption pad at opposite sides.
More preferably, the cleaning assembly comprises a first telescopic cylinder, an L-shaped plate, a first square cabin body, a second telescopic cylinder, a first linkage plate, a first roller carrier, a rope, a guide block, a second roller carrier, a third baffle, a first spring, a dust collector, a dust collection set and a driving set; a first telescopic cylinder is fixedly connected to the right parts of the two support frames; the telescopic ends of the two first telescopic cylinders are fixedly connected with an L-shaped plate; a first square cabin body is fixedly connected between the two L-shaped plates; a second telescopic cylinder is fixedly connected to the middle part of the rear side of the first square cabin body; the telescopic end of the second telescopic cylinder is fixedly connected with a first linkage plate; four ropes are fixedly connected to the rear side of the first linkage plate; four first roller carriers are fixedly connected to the middle of the rear side of the first square cabin body, and are positioned on the outer side of the second telescopic cylinder; a guide block is fixedly connected to the upper part of the rear side and the lower part of the rear side of the first square cabin body; a second roller carrier is fixedly connected to the middle part of the upper side, the middle part of the lower side, the middle part of the left side and the middle part of the right side of the first square cabin body; the upper front part, the lower front part, the left front part and the right front part of the first square cabin body are all connected with a third baffle in a sliding manner; the four third baffles are fixedly connected with the adjacent ropes respectively; two first springs are fixedly connected to the centripetal sides of the four third baffles; the eight first springs are fixedly connected with the first square cabin body; two ropes in the vertical direction respectively bypass the adjacent first roller frames, pass through the adjacent guide blocks and bypass the adjacent second roller frames; two ropes positioned in the horizontal direction respectively bypass the adjacent first roller frames and then bypass the adjacent second roller frames; a dust collection set is arranged on the inner side of the first square cabin body; a driving set is arranged on the inner side of the first square cabin body and is positioned on the rear side of the dust collection set; the middle part of the upper side and the middle part of the lower side of the first square cabin body are both communicated with two dust collectors.
More preferably, the cleaning assembly further comprises a dust screen; and the four third baffles are fixedly connected with a dustproof net towards the center part.
More preferably, the dust collection assembly comprises a second square cabin body, a second linkage plate and a second spring; a second square cabin body is fixedly connected to the upper part and the lower part of the inner side of the first square cabin body; four second linkage plates are connected to the two second square cabin bodies in a sliding mode, and every two adjacent second linkage plates are arranged in a horizontal array mode; every two adjacent upper and lower second linkage plates are fixedly connected with a long pipe respectively; two second springs are fixedly connected to the rear sides of the four long pipes; the rear ends of the eight second springs are fixedly connected with the first square cabin body.
More preferably, two second cavities are formed between the two second square-shaped cabins and the first square-shaped cabin.
The beneficial effects are that: when the blackboard is used, the first blackboard, the second blackboard, the first felt eraser and the second felt eraser are matched with each other, so that the switching type writing and handwriting cleaning procedures are realized, the continuity of teaching is greatly improved, and the influence of teaching interruption on the understanding of students on teaching contents is avoided;
the grooves are formed in the two ends of the rear side of the first felt eraser, so that dust is emitted into the first cavity and then attached to the first dust absorption pad for collection, the phenomenon that the dust is dispersed into the air from the edge of the first felt eraser in the process of erasing handwriting is reduced, and indoor environmental pollution is reduced;
will be attached to the dust that first felt was wiped through the long tube and shake and fall, and the powder that will shake through first round hole and the second round hole on the long tube and fall is clear away and is collected, because first round hole of a plurality of and second round hole evenly distributed are inboard in the first square cabin body, thereby improve dust collection efficiency greatly, and the first round hole aperture that is located the middle part is greater than the second round hole aperture that is located both ends, and the first round hole that is located the middle part is more intensive for the second round hole that is located both ends, thereby make and breathe in more evenly, avoid being close to both ends position and breathe in less phenomenon near the middle part position more.
Drawings
FIG. 1 is a schematic structural diagram of a switching teaching board according to the present invention;
fig. 2 is a first sectional view of a switching type teaching board for teaching of the present invention;
fig. 3 is a second cross-sectional view of the switching type teaching board of the present invention;
FIG. 4 is a schematic structural diagram of a switching assembly of the present invention;
FIG. 5 is a first top view of a portion of the switching assembly of the present invention;
FIG. 6 is a schematic diagram of a portion of a switching assembly according to the present invention;
FIG. 7 is a second top view of a portion of the switching assembly of the present invention;
FIG. 8 is a schematic view of a first construction of the cleaning assembly of the present invention;
FIG. 9 is a schematic view of a second construction of the cleaning assembly of the present invention;
FIG. 10 is a schematic view of a first partial structure of the cleaning assembly of the present invention;
FIG. 11 is a schematic view of a second partial structure of the cleaning assembly of the present invention;
FIG. 12 is a schematic view of a third partial construction of the cleaning assembly of the present invention;
FIG. 13 is a first right side elevational view of a portion of the cleaning assembly of the present invention;
FIG. 14 is a second right side elevational view of a portion of the cleaning assembly of the present invention.
Number designation in the figures: 1-a wall, 2-a support frame, 3-a first blackboard, 201-an electric sliding rail, 202-an electric sliding block, 203-a second blackboard, 204-a first felt eraser, 205-a first baffle, 206-a first dust absorption pad, 207-a fixed block, 208-a cover plate, 209-a fixed knob, 2010-a second felt eraser, 2011-a second baffle, 2012-a second dust absorption pad, 301-a first telescopic cylinder, 302-an L-shaped plate, 303-a first square cabin body, 304-a second telescopic cylinder, 305-a first linkage plate, 306-a first roller frame, 307-a rope, 308-a guide block, 309-a second roller frame, 3010-a third baffle, 3011-a first spring, 3012-a dust screen, 3013-a second square cabin body, 3014-a second linkage plate, 3015-a long tube, 3016-a second spring, 3017-a lead screw, 3018-a motor, 3019-a round rod, 3020-a first linkage block, 3021-a second linkage block, 3022-a vacuum cleaner, 91-a first cavity, 92-a second cavity, 93-a first round hole, and 94-a second round hole.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention will be described in further detail with reference to the accompanying drawings. It is only noted that the invention is intended to be limited to the specific forms set forth herein, including any reference to the drawings, as well as any other specific forms of embodiments of the invention.
Example 1
A switching type teaching board for teaching, as shown in figures 1-7, comprises a wall body 1, a support frame 2, a first blackboard 3, a first felt eraser 204, a first baffle 205, a first dust absorption pad 206, a long pipe 3015, a switching component and a cleaning component; a support frame 2 is fixedly connected to the upper part and the lower part of the front side of the wall body 1; the middle part of the front side of the wall body 1 is fixedly connected with a first blackboard 3; a switching component is arranged between the two support frames 2; the left part of the switching component is connected with a first felt wiper 204, and the left part of the rear side and the right part of the rear side of the first felt wiper 204 are both provided with an arc-shaped groove; the first felt eraser 204 is in contact with the first blackboard 3; a first baffle 205 is fixedly connected to the left part and the right part of the rear side of the first felt eraser 204; a first dust absorption pad 206 is fixedly connected to the opposite sides of the two first baffles 205; both first suction pads 206 are in contact with the first felt wipe 204; both the first shutters 205 are in contact with the first blackboard 3; a cleaning component is arranged between the right parts of the two support frames 2; the middle of the cleaning component is connected with four long tubes 3015, and the four long tubes 3015 are arranged in a horizontal array.
Two first cavities 91 are formed between the first blackboard 3, the first felt eraser 204, the two first baffles 205 and the two first dust suction pads 206.
The middle of long tube 3015 is provided with a plurality of first round holes 93, and the two ends of long tube 3015 are provided with a plurality of second round holes 94.
The switching component comprises an electric slide rail 201, an electric slide block 202, a second blackboard 203, a covering set and a cleaning set; an electric slide rail 201 is fixedly connected inside each of the two support frames 2; an electric sliding block 202 is connected to each of the two electric sliding rails 201 in a sliding manner; a second blackboard 203 is fixedly connected between the two electric sliding blocks 202; the rear side of the second blackboard 203 is fixedly connected with a first felt eraser 204; a covering set is arranged between the right parts of the two support frames 2; the rear side of the covering set is provided with a cleaning set.
The covering assembly comprises a fixed block 207, a cover plate 208 and a fixed knob 209; the right parts of the front sides of the two support frames 2 are both connected with a fixing block 207 through bolts; a cover plate 208 is connected between the two fixing blocks 207 in a sliding manner; two fixed knobs 209 are screwed on the right part of the cover plate 208; the two fixing knobs 209 are respectively screwed with the two support frames 2.
The upper portion of the cover plate 208 is provided with a plurality of heat dissipation holes.
The cleaning assembly comprises a second felt wiper 2010, a second baffle 2011 and a second dust absorption pad 2012; a second felt wiper 2010 is fixedly connected to the left part of the rear side of the cover plate 208; a second baffle 2011 is fixedly connected to the left part and the right part of the rear side of the second felt wiper 2010; two second baffles 2011 are fixed with a second dust-absorbing pad 2012 on the opposite side.
The second baffle 2011 is made of rubber.
In the course of lecturing, a teacher writes from left to right on the front side of the second blackboard 203, then writes from left to right on the right position on the front side of the first blackboard 3, then controls the electric slider 202 to move right on the electric slide rail 201 through an external remote controller, so that the electric slider 202 drives the second blackboard 203 to move right to the front of the right side of the first blackboard 3, then writes from left to right on the left position on the front side of the first blackboard 3, then the electric slider 202 drives the second blackboard 203 to continue to move right to be far away from the first blackboard 3, in the process, the second blackboard 203 drives the first felt eraser 204 to move right, so that the first felt eraser 204 erases the right handwriting on the front side of the first blackboard 3, meanwhile, the second blackboard 203 moves right to contact the second felt eraser 2010, so that the second felt eraser 2010 erases the right handwriting on the front side of the second blackboard 203, then writes on the right position on the front side of the first blackboard 3, then the electric sliding block 202 drives the second blackboard 203 to move back to the original position leftwards, so that the first felt eraser 204 completely erases the handwriting on the front side of the first blackboard 3, the handwriting on the front side of the first blackboard 3 is also erased completely through the second felt eraser 2010, then the writing is continuously carried out by repeating the operation, and through the mutual matching of the first blackboard 3, the second blackboard 203, the first felt eraser 204 and the second felt eraser 2010, the switching type writing and handwriting cleaning procedures are realized, the connection performance of teaching is greatly improved, and the influence of the student on the understanding of the teaching content due to the stopping of the teaching is avoided; in the process of erasing the handwriting, even if the first felt eraser 204 is tightly attached to the first blackboard 3 for erasing, part of dust can be scattered from the edge positions of the left side and the right side of the first felt eraser 204, at the moment, the first felt eraser 204 is provided with a groove, so that the dust is scattered into the first cavity 91 and then attached to the first dust absorption pad 206 for collection, and the phenomenon that the dust is scattered into the air from the edge in the process of erasing the handwriting is reduced, so that the indoor environmental pollution is reduced; when the dust on the first felt eraser 204 and the second felt eraser 2010 is too much, the handwriting erasing effect can be reduced, at the moment, the dust on the first felt eraser 204 and the second felt eraser 2010 is cleared and collected through the cleaning assembly, the fixing knob 209 is screwed out by maintenance personnel every other month, then the cover plate 208 is pulled to move rightwards to separate from the two fixed blocks 207, then the too much dust in the cleaning assembly is cleared out, then the left part of the cover plate 208 is inserted back into the two fixed blocks 207, the fixing knob 209 is screwed back to the original position, the cover plate 208 is fixed, the maintenance operation is convenient, and the efficiency is greatly improved.
Example 2
On the basis of embodiment 1, as shown in fig. 1-3 and fig. 8-14, the cleaning assembly comprises a first telescopic cylinder 301, an L-shaped plate 302, a first square cabin 303, a second telescopic cylinder 304, a first linkage plate 305, a first roller frame 306, a rope 307, a guide block 308, a second roller frame 309, a third baffle 3010, a first spring 3011, a dust collector 3022, a dust collection set and a drive set; a first telescopic cylinder 301 is fixedly connected to the right parts of the two support frames 2; the telescopic ends of the two first telescopic cylinders 301 are fixedly connected with an L-shaped plate 302; a first square cabin 303 is connected between the two L-shaped plates 302 through bolts; a second telescopic cylinder 304 is fixedly connected to the middle part of the rear side of the first square cabin 303; the telescopic end of the second telescopic cylinder 304 is fixedly connected with a first linkage plate 305; four ropes 307 are fixedly connected to the rear side of the first linkage plate 305; the middle part of the rear side of the first square cabin 303 is in bolted connection with four first roller carriers 306, and the four first roller carriers 306 are all positioned outside the second telescopic cylinder 304; a guide block 308 is welded on the upper part and the lower part of the rear side of the first square cabin 303; the middle part of the upper side, the middle part of the lower side, the middle part of the left side and the middle part of the right side of the first square cabin body 303 are all connected with a second roller carrier 309 through bolts; the upper front part, the lower front part, the left front part and the right front part of the first rectangular cabin 303 are all connected with a third baffle 3010 in a sliding way; the four third baffles 3010 are fixedly connected to the adjacent ropes 307 respectively; two first springs 3011 are fixedly connected to centripetal sides of the four third baffles 3010; the eight first springs 3011 are all fixedly connected with the first square cabin 303; two ropes 307 in the vertical direction respectively pass around the adjacent first roller frame 306, pass through the adjacent guide block 308 and pass around the adjacent second roller frame 309; two ropes 307 in the horizontal direction pass around the adjacent first roller frame 306 and then pass around the adjacent second roller frame 309, respectively; a dust collection set is arranged on the inner side of the first square cabin 303; a driving set is arranged on the inner side of the first square cabin 303 and is positioned on the rear side of the dust collection set; the upper middle part and the lower middle part of the first square cabin 303 are both communicated with two dust collectors 3022.
The centripetal side of the third baffle 3010 is provided with a ventilation hole.
The cleaning component also comprises a dust screen 3012; the four third baffles 3010 are all fixed with a dust screen 3012 towards the center.
The dust collection set comprises a second square cabin body 3013, a second linkage plate 3014 and a second spring 3016; a second square cabin 3013 is fixedly connected to the upper part and the lower part of the inner side of the first square cabin 303; four second linkage plates 3014 are connected to the two second square cabin 3013 in a sliding manner, and every four adjacent second linkage plates 3014 are arranged in a horizontal array; every two adjacent upper and lower second linkage plates 3014 are fixedly connected with a long pipe 3015; two second springs 3016 are fixedly connected to the rear sides of the four long tubes 3015; the rear ends of the eight second springs 3016 are all fixedly connected with the first square cabin 303.
Two second cavities 92 are formed between the two second square pods 3013 and the first square pod 303.
The driving set comprises a screw rod 3017, a motor 3018, a round rod 3019, a first linkage block 3020 and a second linkage block 3021; the upper part and the lower part of the first square cabin 303 are both rotatably connected with a screw rod 3017; two motors 3018 are fixedly connected to the right side of the first square cabin 303; the output ends of the two motors 3018 are fixedly connected with the adjacent screw rods 3017 respectively; the upper part and the lower part of the first square cabin 303 are fixedly connected with a round rod 3019; and the two round bars 3019 are located inside the two lead screws 3017; a first linkage block 3020 is screwed between each adjacent round rod 3019 and the screw rod 3017; a second linkage block 3021 is bolted to the front sides of the two first linkage blocks 3020.
The specific operations for cleaning the first felt wipe 204 and the second felt wipe 2010 in the first embodiment are as follows: the two first telescopic cylinders 301 drive the two L-shaped plates 302 to move forward, the two L-shaped plates 302 simultaneously drive the first rectangular cabin 303 to move forward, so that the first rectangular cabin 303 is wrapped outside the second felt eraser 2010, then the second telescopic cylinder 304 drives the first linkage plate 305 to move backward, so that the first linkage plate 305 releases the rope 307, so that the first spring 3011 which is initially in a stretching state rebounds to drive the third baffle 3010 to move towards the second felt eraser 2010, and simultaneously the third baffle 3010 pulls the rope 307 to move, so that the rope 307 is always in a tight state, the four third baffles 3010 simultaneously contact the second felt eraser 2010, so that the rear side of the second felt eraser 2010 is wrapped in the first rectangular cabin 303, the motor 3018 is started, the motor 3018 drives the lead screw 3017 to rotate, the lead screw 3017 drives the first linkage block 3020 to slide leftward on the round rod 3019, the first linkage block 3020 drives the second linkage block 3021 to move leftward to contact the long tube 3015, the second linkage block 3021 continues to move leftwards to push the long tube 3015 to move forwards, the long tube 3015 drives the second linkage plate 3014 to move forwards and stretch the second spring 3016, when the second linkage block 3021 passes through the long tube 3015, the second spring 3016 rebounds to drive the long tube 3015 to move back to the original position, so that the long tube 3015 reciprocates back and forth, when the second linkage block 3021 moves to the leftmost end, the motor 3018 drives the lead screw 3017 to rotate reversely, so that the second linkage block 3021 reciprocates left and right, so that the second linkage block 3021 drives the four long tubes 3015 to move indirectly back and forth, the long tube 3015 that reciprocates wipes the second felt 2010 and then strikes the felt, so that the dust on the back side of the second wipe 2010 is shaken and the dust is suspended in the first rectangular cabin 303, then, the four dust collectors 3022 are started, so that air flows into the first square cabin 303 from the vent holes of the third baffle 3010, then the air carrying dust flows into the long tube 3015 through the first round holes 93 and the second round holes 94, then flows into the second cavity 92 from the long tube 3015, and then flows into the dust collectors 3022 from the second cavity 92 for collection, and in this process, the plurality of first round holes 93 and the plurality of second round holes 94 are uniformly distributed on the inner side of the first square cabin 303, so that the dust removal efficiency is greatly improved, meanwhile, the apertures of the first round holes 93 in the middle are larger than the apertures of the second round holes 94 at the two ends, and the first round holes 93 in the middle are more dense than the second round holes 94 at the two ends, so that the air suction is more uniform, and the phenomenon that the air suction is more at the positions near the two ends and the air suction is less at the position near the middle is avoided; the second felt wiper 2010 is prevented from scattering out of the first rectangular cabin 303 by the dust screen 3012 during cleaning, after the second felt wiper 2010 finishes dedusting, the motor 3018 is turned off, then the second telescopic cylinder 304 drives the first linkage plate 305 to move forward and return to the original position, the first linkage plate 305 pulls the rope 307 to move, under the guiding action of the first roller frame 306, the guide block 308 and the second roller frame 309, the rope 307 pulls the third baffle 3010 to move back to the original position, that is, the four third baffles 3010 stop contacting the second felt wiper 2010, then the two first telescopic cylinders 301 drive the two L-shaped plates 302 to move backward and return to the original position, the two L-shaped plates 302 simultaneously drive the first rectangular cabin 303 to move backward and return to the original position, the first rectangular cabin 303 drives the parts thereon to move back to the original position, then the first felt eraser 204 is driven by the second blackboard 203 to move to the rear of the second felt eraser 2010, and then the cleaning operation is carried out on the first felt eraser 204 by repeating the operation.
It should be understood by those skilled in the art that the above embodiments do not limit the present invention in any way, and all technical solutions obtained by using equivalent alternatives or equivalent variations fall within the scope of the present invention.
Claims (10)
1. A switching type teaching board for teaching comprises a wall body (1), a support frame (2) and a first blackboard (3); the upper part and the lower part of the front side of the wall body (1) are fixedly connected with a support frame (2); the middle part of the front side of the wall body (1) is fixedly connected with a first blackboard (3); the device is characterized by also comprising a first felt wiper (204), a first baffle (205), a first dust absorption pad (206), a long pipe (3015), a switching component and a cleaning component; a switching component for switching writing and erasing handwriting is arranged between the two support frames (2); the left part of the switching component is connected with a first felt wiper (204), and the left part of the rear side and the right part of the rear side of the first felt wiper (204) are both provided with an arc-shaped groove; the first felt eraser (204) is in contact with the first blackboard (3); a first baffle (205) is fixedly connected to the left part and the right part of the rear side of the first felt wiper (204); two opposite sides of the first baffle plates (205) are fixedly connected with a first dust absorption pad (206); both first dust absorption pads (206) are in contact with the first felt wiper (204); the two first baffles (205) are in contact with the first blackboard (3); in the process of erasing handwriting by the switching component, dust scattered by the rear side edge of the first felt eraser (204) flows into the two arc grooves on the first felt eraser (204), the dust is prevented from diffusing outwards by the two first baffles (205), and the dust is adsorbed by the first dust absorption pad (206); a cleaning component for coated dust removal is arranged between the right parts of the two supporting frames (2); the middle part of the cleaning component is connected with four long tubes (3015), and the four long tubes (3015) are arranged in a horizontal array; the dust attached to the rear side of the first felt wiper (204) is shaken off through the long pipe (3015), and the shaken off dust is uniformly absorbed through the long pipe (3015).
2. The switching type teaching board according to claim 1, wherein two first cavities (91) are formed between the first blackboard (3), the first felt eraser (204), the two first shutters (205) and the two first dust-absorbing pads (206).
3. The switching teaching board as claimed in claim 1, wherein the long tube (3015) has a plurality of first holes (93) at the middle portion thereof, and a plurality of second holes (94) at the two ends thereof.
4. The switching type teaching board according to claim 1, wherein the switching component comprises an electric slide rail (201), an electric slide block (202), a second blackboard (203), a covering set and a cleaning set; an electric sliding rail (201) is fixedly connected inside each of the two supporting frames (2); an electric sliding block (202) is connected to each of the two electric sliding rails (201) in a sliding manner; a second blackboard (203) is fixedly connected between the two electric sliding blocks (202); the rear side of the second blackboard (203) is fixedly connected with a first felt eraser (204); a covering set is arranged between the right parts of the two support frames (2); the rear side of the covering set is provided with a cleaning set.
5. The switching teaching board according to claim 4, wherein the covering assembly comprises a fixing block (207), a cover plate (208) and a fixing knob (209); a fixed block (207) is fixedly connected to the right part of the front side of each support frame (2); a cover plate (208) is connected between the two fixing blocks (207) in a sliding way; two fixed knobs (209) are screwed at the right part of the cover plate (208); the two fixed knobs (209) are respectively screwed with the two support frames (2).
6. The teaching board for switching teaching according to claim 5, wherein the cleaning assembly comprises a second felt wiper (2010), a second baffle (2011) and a second dust absorption pad (2012); a second felt wiper (2010) is fixedly connected to the left part of the rear side of the cover plate (208); a second baffle (2011) is fixedly connected to the left part and the right part of the rear side of the second felt wiper (2010); two second baffle (2011) are all rigid coupling in opposite directions and are had a second dust absorption pad (2012).
7. The switching type teaching board as claimed in claim 6, wherein the cleaning assembly comprises a first telescopic cylinder (301), an L-shaped board (302), a first square cabin (303), a second telescopic cylinder (304), a first linkage board (305), a first roller frame (306), a rope (307), a guide block (308), a second roller frame (309), a third baffle (3010), a first spring (3011), a dust collector (3022), a dust collection set and a driving set; a first telescopic cylinder (301) is fixedly connected to the right parts of the two support frames (2); the telescopic ends of the two first telescopic cylinders (301) are fixedly connected with an L-shaped plate (302); a first square cabin body (303) is fixedly connected between the two L-shaped plates (302); a second telescopic cylinder (304) is fixedly connected to the middle part of the rear side of the first square cabin body (303); the telescopic end of the second telescopic cylinder (304) is fixedly connected with a first linkage plate (305); four ropes (307) are fixedly connected to the rear side of the first linkage plate (305); four first roller frames (306) are fixedly connected to the middle of the rear side of the first square cabin body (303), and the four first roller frames (306) are located on the outer side of the second telescopic cylinder (304); a guide block (308) is fixedly connected to the upper part and the lower part of the rear side of the first square cabin body (303); a second roller carrier (309) is fixedly connected to the middle part of the upper side, the middle part of the lower side, the middle part of the left side and the middle part of the right side of the first square cabin body (303); a third baffle (3010) is connected to the upper front part, the lower front part, the left front part and the right front part of the first square cabin (303) in a sliding manner; the four third baffles (3010) are fixedly connected with the adjacent ropes (307) respectively; two first springs (3011) are fixedly connected to the centripetal sides of the four third baffle plates (3010); the eight first springs (3011) are all fixedly connected with the first square cabin body (303); two ropes (307) in the vertical direction respectively pass around the adjacent first roller frame (306), pass through the adjacent guide block (308) and pass around the adjacent second roller frame (309); two ropes (307) in the horizontal direction respectively pass around the adjacent first roller frame (306) and then pass around the adjacent second roller frame (309); a dust collection set is arranged on the inner side of the first square cabin body (303); a driving set is arranged on the inner side of the first square cabin body (303), and the driving set is positioned on the rear side of the dust collection set; the middle part of the upper side and the middle part of the lower side of the first square cabin body (303) are both communicated with two dust collectors (3022).
8. The switching type teaching board according to claim 7, wherein the cleaning member further comprises a dust screen (3012); and the four third baffles (3010) are all fixedly connected with a dust screen (3012) towards the center.
9. The switching teaching board according to claim 8, wherein the dust-removing assembly comprises a second square cabin (3013), a second linkage board (3014) and a second spring (3016); a second square cabin body (3013) is fixedly connected to the upper part and the lower part of the inner side of the first square cabin body (303); four second linkage plates (3014) are connected to the two second square cabin bodies (3013) in a sliding mode, and every four adjacent second linkage plates (3014) are arranged in a horizontal array mode; every two adjacent upper and lower second linkage plates (3014) are fixedly connected with a long pipe (3015) respectively; two second springs (3016) are fixedly connected to the rear sides of the four long pipes (3015); the rear ends of the eight second springs (3016) are fixedly connected with the first square cabin (303).
10. The teaching board for switching teaching according to claim 9, wherein two second cavities (92) are formed between the two second square compartments (3013) and the first square compartment (303).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210567895.1A CN114953812A (en) | 2022-05-24 | 2022-05-24 | Switching type teaching is with teaching board |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210567895.1A CN114953812A (en) | 2022-05-24 | 2022-05-24 | Switching type teaching is with teaching board |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN114953812A true CN114953812A (en) | 2022-08-30 |
Family
ID=82984940
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202210567895.1A Withdrawn CN114953812A (en) | 2022-05-24 | 2022-05-24 | Switching type teaching is with teaching board |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN114953812A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115500609A (en) * | 2022-10-14 | 2022-12-23 | 江苏海事职业技术学院 | Electrical control system practical training teaching device and use method |
| CN115719551A (en) * | 2022-11-29 | 2023-02-28 | 南通大学 | Teaching board for intelligent teaching |
| CN115731750A (en) * | 2022-11-21 | 2023-03-03 | 黑龙江工商学院 | English-Chinese translation contrast training device in college English teaching and use method thereof |
-
2022
- 2022-05-24 CN CN202210567895.1A patent/CN114953812A/en not_active Withdrawn
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115500609A (en) * | 2022-10-14 | 2022-12-23 | 江苏海事职业技术学院 | Electrical control system practical training teaching device and use method |
| CN115500609B (en) * | 2022-10-14 | 2023-11-24 | 江苏海事职业技术学院 | Practical training teaching device of electrical control system and application method |
| CN115731750A (en) * | 2022-11-21 | 2023-03-03 | 黑龙江工商学院 | English-Chinese translation contrast training device in college English teaching and use method thereof |
| CN115719551A (en) * | 2022-11-29 | 2023-02-28 | 南通大学 | Teaching board for intelligent teaching |
| CN115719551B (en) * | 2022-11-29 | 2023-08-04 | 南通大学 | Teaching board is used in intelligence teaching |
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Application publication date: 20220830 |