CN114677862A - Teaching presentation device that wisdom education was used - Google Patents
Teaching presentation device that wisdom education was used Download PDFInfo
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- CN114677862A CN114677862A CN202210293531.9A CN202210293531A CN114677862A CN 114677862 A CN114677862 A CN 114677862A CN 202210293531 A CN202210293531 A CN 202210293531A CN 114677862 A CN114677862 A CN 114677862A
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- 230000007246 mechanism Effects 0.000 claims abstract description 178
- 230000010405 clearance mechanism Effects 0.000 claims description 31
- 239000004744 fabric Substances 0.000 claims description 24
- 238000007789 sealing Methods 0.000 claims description 21
- 238000005192 partition Methods 0.000 claims description 20
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims description 18
- 239000000835 fiber Substances 0.000 claims description 14
- 229910052742 iron Inorganic materials 0.000 claims description 9
- 238000009434 installation Methods 0.000 claims description 7
- 238000002955 isolation Methods 0.000 claims description 5
- 230000005389 magnetism Effects 0.000 claims description 4
- 239000000428 dust Substances 0.000 abstract description 14
- 230000001678 irradiating effect Effects 0.000 abstract description 3
- 238000000034 method Methods 0.000 description 16
- 230000008569 process Effects 0.000 description 11
- 238000004140 cleaning Methods 0.000 description 9
- 230000000694 effects Effects 0.000 description 7
- 230000003068 static effect Effects 0.000 description 7
- 230000005540 biological transmission Effects 0.000 description 6
- 239000003344 environmental pollutant Substances 0.000 description 6
- 231100000719 pollutant Toxicity 0.000 description 6
- 230000009471 action Effects 0.000 description 5
- 238000007885 magnetic separation Methods 0.000 description 5
- 238000005096 rolling process Methods 0.000 description 5
- 238000010030 laminating Methods 0.000 description 4
- 230000008859 change Effects 0.000 description 3
- 230000005611 electricity Effects 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 3
- 230000002745 absorbent Effects 0.000 description 2
- 239000002250 absorbent Substances 0.000 description 2
- 238000010521 absorption reaction Methods 0.000 description 2
- 239000012535 impurity Substances 0.000 description 2
- 206010063385 Intellectualisation Diseases 0.000 description 1
- 230000033228 biological regulation Effects 0.000 description 1
- 230000000903 blocking effect Effects 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000003993 interaction Effects 0.000 description 1
- 230000006855 networking Effects 0.000 description 1
- 230000001737 promoting effect Effects 0.000 description 1
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- G—PHYSICS
- G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
- G09B—EDUCATIONAL OR DEMONSTRATION APPLIANCES; APPLIANCES FOR TEACHING, OR COMMUNICATING WITH, THE BLIND, DEAF OR MUTE; MODELS; PLANETARIA; GLOBES; MAPS; DIAGRAMS
- G09B5/00—Electrically-operated educational appliances
- G09B5/02—Electrically-operated educational appliances with visual presentation of the material to be studied, e.g. using film strip
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Abstract
The invention discloses a teaching demonstration device for intelligent education, belonging to the technical field of intelligent education teaching, which can realize that in the teaching demonstration work of intelligent education, after teaching personnel project teaching data on a projection screen panel, a height adjusting mechanism can be operated according to the arrangement of personnel positions to adjust the height and the angle of the projection screen panel, so that students can more conveniently and quickly view the data, when the surface of the projection screen panel reflects light due to sunshine, the teaching personnel can open a shading mechanism and simultaneously operate a limiting mechanism to limit the shading mechanism, so that the shading mechanism can shade the light on the side surface, thereby avoiding the phenomenon of reflecting light caused by the light irradiating on the surface of the projection screen panel, and after the teaching work is finished, the teaching personnel can cover the projection screen panel by pulling the shading mechanism to prevent dust and dirt from generating on the surface, the surface of the projection screen panel is prevented from being cleaned during teaching.
Description
Technical Field
The invention relates to the technical field of intelligent education and teaching, in particular to a teaching demonstration device for intelligent education.
Background
The intelligent education, namely education informatization, refers to the process of comprehensively and deeply applying modern information technology to promote education reform and development in the education field (education management, education teaching and education scientific research), and has the technical characteristics of digitalization, networking, intellectualization and multimedia, and the basic characteristics of openness, sharing, interaction, cooperation and ubiquity. The education modernization is promoted by the education informatization, and the traditional mode is changed by the information technology.
At present in the education demonstration work of wisdom education, most of them are through the digitization, the network is intelligent with the information technology of required show in order to throw the screen or data transmission mode carry to the panel of teaching demonstration, and in the prior art, in the show information in-process, often need avoid indoor or throw the luminance of light refraction on the panel of screen, prevent the not clear that the personnel that cause the teaching watched because of the phenomenon of reflection of light watched, and because light refraction changes because of the removal of sun, make the teaching panel of throwing the screen still can take place the phenomenon of reflection of light at a certain time quantum, need the position that the panel was thrown in the debugging of teaching personnel, thereby greatly reduced the efficiency of teaching.
Disclosure of Invention
1. Technical problem to be solved
Aiming at the problems in the prior art, the invention aims to provide a teaching demonstration device for intelligent education, which can realize that in the teaching demonstration work of intelligent education, after teaching personnel project teaching data on a projection screen panel, the height and the angle of the projection screen panel can be adjusted by operating a height adjusting mechanism according to the arrangement of personnel positions, so that students can more conveniently and quickly view the data, when the surface of the projection screen panel reflects light due to sunshine, the teaching personnel can open a shading mechanism and operate a limiting mechanism to limit the shading mechanism, so that the shading mechanism can shade the light on the side surface, the phenomenon that the light irradiates on the surface of the projection screen panel to reflect light is avoided, and after the teaching work is finished, the teaching personnel can pull the shading mechanism to enable the shading mechanism to be attached to the surface of the projection screen panel and adsorbed by a closing mechanism, then will throw the screen panel at pulling shading mechanism completely and cover, operate closing mechanism simultaneously with this, it is spacing to carry out shading mechanism, thereby throw the whole screen panel of throwing of screen panel and shelter from, prevent that dust and filth from causing its surface to produce the dirt, need clear up throwing screen panel surface when avoiding teaching, and daily when needing to clear up the filth of shading mechanism absorption, the teaching personnel accessible this moment stands up clearance mechanism, and roll shading mechanism, open afterwards and clearance mechanism laminating, cause to rub between shading mechanism and the clearance mechanism and roll, make clearance mechanism produce static under the effect of friction, clear up the filth of shading mechanism absorption to clearance mechanism surface, teaching personnel only need clear up the filth of clearance mechanism surface adhesion clean up afterwards can.
2. Technical scheme
In order to solve the above problems, the present invention adopts the following technical solutions.
A teaching demonstration device for intelligent education comprises a bottom plate, wherein a placing table is fixedly connected to the upper end of the bottom plate, an installation table is fixedly connected to the upper end of the placing table, a sliding plate is slidably connected between the inner walls of the installation tables, an operation original is arranged at the upper end of the sliding plate, a height adjusting mechanism is arranged at the bottom end of the placing table, the height adjusting mechanism is slidably connected with the placing table, a projection screen panel is fixedly connected to the upper end of the height adjusting mechanism, a limiting mechanism is arranged at the upper end of the projection screen panel, a closing mechanism is arranged at one end, close to the sliding plate, of the projection screen panel, a shading mechanism is arranged at the left end of the projection screen panel, and a cleaning mechanism is arranged at the upper end of the installation table, so that the teaching demonstration device for intelligent education can adjust the height and the angle of the projection screen panel by operating the height adjusting mechanism according to arrangement of positions of workers after teaching data are projected onto the projection screen panel, the student can watch data more conveniently, when the surface of the screen panel reflects light due to sunshine, a teaching person can pull the shading mechanism open, the limiting mechanism is operated to limit the shading mechanism, the shading mechanism shields the light on the side surface, the phenomenon of reflecting light caused by the light irradiating on the surface of the screen panel is avoided, after the teaching work is finished, the teaching person can pull the shading mechanism to enable the shading mechanism to be attached to the surface of the screen panel and adsorbed by the closing mechanism, then the shading mechanism is pulled to completely cover the screen panel, meanwhile, the closing mechanism is operated to limit the shading mechanism, so that the whole screen panel of the screen panel is shielded, the surface of the screen panel is prevented from generating dirt due to dust and dirt, the surface of the screen panel is prevented from being cleaned during teaching, and when the dirt adsorbed by the shading mechanism is required to be cleaned daily, teaching personnel accessible this moment stands clearance mechanism to carry out the rolling with shading mechanism, opening afterwards and clearance mechanism laminating, cause to rub between shading mechanism and the clearance mechanism and roll, make clearance mechanism produce static under the effect of friction, with the adsorbed filth clearance of shading mechanism to clearance mechanism surface, teaching personnel only need afterwards clear up the filth clean up of clearance mechanism surface adhesion can.
Further, the slide outer end is excavated there is the rectangular channel, install the USB interface in the rectangular channel, throw the screen teaching at the teaching personnel when, if need connect and get extra electronic equipment, the accessible is inserted external equipment and is established to the USB interface in, thereby with data transmission to throwing the screen panel surface, the use of the teaching personnel of being convenient for, and less at some dataflow, when the accessible USB flash disk carries out data transmission, the teaching personnel accessible is inserted the USB flash disk and is established to the USB interface in, the work step of having avoided the work to throw the screen has improved its work efficiency.
Further, the height adjusting mechanism comprises an adjusting box installed in the placing table, a rectangular groove is cut at the outer end of the placing table, the adjusting box is fixedly connected with the inner bottom end of the rectangular groove, a sliding groove is cut at the upper end of the adjusting box, a first piston block is slidably connected between the inner walls of the sliding groove, a supporting block is fixedly connected at the upper end of the adjusting box and is positioned on the left side of the sliding groove, an adjusting rod is rotatably connected at the outer end of the supporting block, a connecting rod is fixedly connected between the adjusting rod and the first piston block, a sealing box is fixedly connected at the upper end of the adjusting box, a first pipeline, a second pipeline and a third pipeline are embedded in the adjusting box, the first pipeline and the second pipeline are positioned at the lower end of the sliding groove and are mutually communicated with the sealing box and the sliding groove, the third pipeline is positioned at the left end of the sliding groove and is mutually communicated with the sealing box and the sliding groove, and a first sealing ball is arranged in the first pipeline, a second sealing ball is arranged in the third pipeline, a second piston block is slidably connected between the inner walls of the sealing box, a telescopic rod is installed at the upper end of the second piston block, a closing plug is in threaded connection with the outer end of the adjusting box and penetrates through the rectangular groove to be in contact with the inner wall of the second pipeline, a bearing block is rotatably connected to the upper end of the telescopic rod and is fixedly connected with the projection screen panel, when a student needs to improve the overall height of the projection screen so as to be convenient for the student to watch, the teaching staff can continuously press the adjusting rod for many times under the action of the adjusting rod to enable the first piston block to continuously convey pressure into the third pipeline, and the first sealing ball in the second pipeline blocks the first pipeline at the moment in the conveying process to prevent air flow from passing through, so that the telescopic rod is continuously driven by the second piston block to move upwards after the pressure is continuously gathered to the third pipeline and is conveyed into the sealing box, therefore, the throwing screen panel above the bearing block rises along with the bearing block, the height can be adjusted, when the angle of the throwing screen panel needs to be adjusted, a teaching person can directly rotate the throwing screen panel, the throwing screen panel drives the bearing block to rotate above the telescopic rod, when the teaching person needs to reduce the height of the throwing screen panel, the closing plug outside the adjusting box can be rotated, the closing plug which originally isolates the air flow of the second pipeline is in an opening and closing state, the third pipeline and the second pipeline are communicated, the air flow in the sealing box is released, the second piston block is enabled to continuously descend, and the purpose of reducing the height of the throwing screen panel is achieved.
Furthermore, the limiting mechanism comprises a first rotating shaft fixedly connected with the upper end of the projection screen panel, a first sleeve ring is sleeved at the outer end of the first rotating shaft, a limiting rod is fixedly connected with the outer end of the first sleeve ring, a limiting block is fixedly connected with the upper end of the projection screen panel, the limiting block is positioned on the left side of the first rotating shaft, a limiting groove is formed in the inner wall of the limiting block, a threaded rod is connected with the upper end of the limiting block in a threaded manner, the threaded rod is positioned on the upper side of the limiting groove, the diameter length of the limiting rod is equal to the diameter between the first rotating shaft and the limiting block, when the limiting mechanism is placed at ordinary times, the limiting rod can be placed between the inner walls of the limiting blocks, then under the action of the threaded rod, the threads rotate to the limiting groove, so that the limiting rod is limited, when the shading mechanism starts to shade the projection screen panel, the teaching staff can open the threaded rod by rotating, the limiting rod is separated from the limiting position, so that the surface of the shading mechanism is moved to the moment, the shading position of the shading mechanism is limited, and the phenomenon that the shading mechanism is rolled up again is avoided.
Furthermore, the closing mechanism comprises a sliding rail chiseled at the outer end of the screen-throwing panel, a sliding block is connected between the inner walls of the sliding rail in a sliding way, first magnetic blocks are fixedly arranged on the left and right inner walls of the sliding rail, two partition sleeves are fixedly connected between the upper and lower inner walls of the sliding rail and are respectively positioned on one side of the first magnetic blocks, second magnetic blocks are fixedly arranged at the left and right ends of the sliding block and are mutually attracted with the first magnetic blocks, a magnetic separation plate is connected between the inner walls of the partition sleeves in a sliding way and penetrates through the lower end of the screen-throwing panel, a flat plate is fixedly connected at the lower end of the magnetic separation plate, two adjusting rods which are mutually symmetrical are fixedly connected between the flat plate and the screen-throwing panel, and in the daily process, when the screen-throwing panel is not used, a teaching person can unfold the shading mechanism and then attach the shading mechanism on the surface of the sliding block to be adsorbed with the sliding block, subsequently, the shading mechanism is continuously pulled, so that the shading mechanism completely covers the projection screen panel, the sliding block at the moment is also translated to the other side, the teaching personnel can pull the flat plate through pulling the flat plate, so that the magnetic isolation plate extends downwards, the magnetic isolation plate inside the partition plate sleeve is driven to slide downwards, the second magnetic block on the surface of the sliding block and the first magnetic block are magnetically attracted at the moment, the sliding block at the moment and the connected shading mechanism are simultaneously limited, the phenomenon that the projection screen panel is polluted due to external dust and dirt in the usual process is avoided, when the projection screen panel needs to be used, the teaching personnel can push the flat plate upwards to cause the magnetic isolation plate to be positioned in the partition plate sleeve, so that the magnetism between the first magnetic block and the sliding block is isolated, the sliding block is reset under the rolling elasticity of the shading mechanism, and the projection screen panel is presented to students again.
Furthermore, the shading mechanism comprises a sleeve arranged at the left end of the screen panel, the upper end and the lower end of the sleeve are fixedly connected with a supporting base, the upper inner wall and the lower inner wall of the sleeve are fixedly connected with round platforms, a supporting column is fixedly connected between the two round platforms, the outer end of the supporting column is rotatably connected with a rotating sleeve, a torsion spring is fixedly connected between the upper inner wall and the lower inner wall of the rotating sleeve and positioned outside the supporting column, the outer end of the sleeve is chiseled with a through hole, the outer end of the rotating sleeve is fixedly connected with shading cloth, the shading cloth is in sliding connection with the through hole, the outer end of the shading cloth is provided with a plurality of uniformly distributed capillary fibers, the left end of the shading cloth is fixedly connected with a pulling plate, one end of the pulling plate close to the sleeve is chiseled with a clamping groove, when a teaching person is in teaching work, if the surface of the screen panel generates a light reflection phenomenon due to large light, the board is pulled to the teaching personnel accessible pulling, cause shading cloth to pull out from the through-hole, the rotatory sleeve that is connected with it simultaneously takes place to rotate, and make torque spring take place the torque change, can carry out the adjustment of multi-angle because of the shading cloth of pulling out, cause can shelter from completely to the one side of reflection of light, and when reaching the position of sheltering from, insert through stop gear and establish to the draw-in groove in, it is whole spacing to carry out shading mechanism, and at ordinary times the in-process with throwing the whole in-process that shelters from of screen panel, because shading cloth slides on throwing screen panel surface, cause capillary fiber to adsorb the pollutant and the dust on screen panel surface and the clean up, rub between after that when the clearance with the clearance mechanism, shift the filth to the clearance mechanism again, thereby be convenient for carry out the clean up with the pollutant.
Furthermore, both ends all cut open the constant head tank about the screen panel, the one end fixedly connected with location slider of through-hole is kept away from to the sleeve, sliding connection between location slider and the constant head tank, because the refraction of light differs at morning minute and afternoon minute's angle, so when the reflection of light face of screen panel is located opposite side shading mechanism and can not shelter from when lived, the staff of teaching accessible is with shading mechanism by the constant head tank downside lapse this moment, so that shading mechanism breaks away from the spacing of constant head tank, insert the fixed location slider in the constant head tank with the shading mechanism outer end, install shading mechanism in the one side that the reflection of light appears in the screen panel from this, can carry on spacingly at the stop gear through the opposite side to shading mechanism afterwards.
Furthermore, the cleaning mechanism comprises a containing groove formed in the upper end of the mounting table, a conical base is fixedly connected to the inner bottom end of the containing groove, two symmetrical circular iron blocks are fixedly connected to the upper end of the conical base, a second rotating shaft is fixedly connected between the inner walls of the two circular iron blocks, a second lantern ring is sleeved at the outer end of the second rotating shaft, a rubber rod is rotatably connected to the outer end of the second lantern ring, the diameter of the rubber rod is equal to the diameter height of the projection screen panel, when the shading mechanism needs to clean dirt on the surface of the projection screen panel by adsorbing, a teaching worker can take out the rubber rod in the containing groove to enable the rubber rod to rotate on the second rotating shaft to be vertical, and then the shading mechanism is pulled to enable capillary fibers in the shading mechanism to rub against the surface of the rubber rod so that the surface of the rubber rod generates static electricity during rubbing of the two parties, the dust impurities on the surfaces of the capillary fibers are adsorbed on the surfaces of the rubber rods, and then the dirt on the surfaces of the rubber rods is cleaned up conveniently.
3. Advantageous effects
Compared with the prior art, the invention has the advantages that:
(1) the scheme can realize that in the education demonstration work of intelligent education, after teaching personnel project teaching data on the projection screen panel, the height and the angle of the projection screen panel can be adjusted by operating the height adjusting mechanism according to the arrangement of personnel positions, so that students can watch the data more conveniently, when the phenomenon of light reflection appears on the surface of the projection screen panel due to sunshine, the teaching personnel can pull the shading mechanism open, and simultaneously operate the limiting mechanism to limit the shading mechanism, so that the shading mechanism can shade the light on the side surface, the phenomenon of light reflection caused by the light irradiating on the surface of the projection screen panel is avoided, after the teaching work is finished, the teaching personnel can pull the shading mechanism, so that the shading mechanism is attached to the surface of the projection screen panel and is adsorbed by the closing mechanism, then the projection screen panel is completely covered by pulling the shading mechanism, and meanwhile, the closing mechanism is operated, carry out spacingly with shading mechanism, thereby will throw the whole screen face of throwing of screen panel and shelter from, prevent that dust and filth from causing its surface to produce the dirt, need clear up throwing screen panel surface when avoiding teaching, and daily needs clear up shading mechanism absorbent filth when, teaching personnel accessible this moment stands up clearing mechanism, and carry out the rolling with shading mechanism, after that open and clearance mechanism laminating, cause to rub between shading mechanism and the clearance mechanism and roll, make clearance mechanism produce static under the effect of friction, clear up shading mechanism absorbent filth to clearance mechanism surface, teaching personnel only need clean up the filth adhesion of clearance mechanism surface afterwards can.
(2) The slide outer end is opened and is chiseled the rectangular channel, the USB interface is installed to the rectangular channel, throw the screen teaching at the teaching personnel when, if need connect and get extra electronic equipment, the accessible is inserted external equipment and is established to the USB interface in, thereby with data transmission to throwing the screen panel surface, the teaching personnel's of being convenient for use, and less at some dataflow, when the accessible USB flash disk carries out data transmission, the teaching personnel accessible is inserted the USB flash disk and is established to the USB interface in, the work step that the screen was thrown to the work needs has been avoided, the work efficiency is improved.
(3) The height adjusting mechanism comprises an adjusting box installed in the placing table, a rectangular groove is formed in the outer end of the placing table, the adjusting box is fixedly connected with the inner bottom end of the rectangular groove, a sliding groove is formed in the upper end of the adjusting box, a first piston block is connected between the inner walls of the sliding groove in a sliding mode, a supporting block is fixedly connected to the upper end of the adjusting box and located on the left side of the sliding groove, an adjusting rod is rotatably connected to the outer end of the supporting block, a connecting rod is fixedly connected between the adjusting rod and the first piston block, a seal box is fixedly connected to the upper end of the adjusting box, a first pipeline, a second pipeline and a third pipeline are embedded in the adjusting box, the first pipeline and the second pipeline are located at the lower end of the sliding groove and are mutually communicated with the seal box and the sliding groove, the third pipeline is located at the left end of the sliding groove and is mutually communicated with the seal box and the sliding groove, a first seal ball is arranged in the first pipeline, a second seal ball is arranged in the third pipeline, a second piston block is slidably connected between the inner walls of the seal box, the upper end of the second piston block is provided with a telescopic rod, the outer end of the adjusting box is in threaded connection with a closing plug, the closing plug penetrates through the rectangular groove and is in contact with the inner wall of the second pipeline, the upper end of the telescopic rod is rotatably connected with a bearing block, the bearing block is fixedly connected with the projection screen panel, when a teaching worker needs to improve the overall height of the projection screen panel so as to be convenient for the student to watch, the teaching worker can continuously press the adjusting rod for multiple times, under the action of the adjusting rod, the first piston block continuously conveys pressure into the third pipeline, and the first sealing ball in the second pipeline blocks the first pipeline at the moment in the conveying process, so that the air flow is prevented from passing, the second piston block continuously drives the telescopic rod to move upwards after the pressure is continuously collected into the third pipeline and is conveyed into the sealing box, the projection screen panel above the bearing block also rises along with the pressure, and the height is adjusted, and when needs adjustment throw the screen panel angle, the teaching personnel can directly rotate the throw screen panel, cause the throw screen panel to drive the carrier block and rotate in the telescopic link top, and when the teaching personnel need reduce the height of throw screen panel, the closure stopper of accessible rotation regulation incasement outside this moment, cause originally to be the closed stopper with second pipeline air current partition and be the state of opening and shutting, make intercommunication between third pipeline and the second pipeline, thereby release the air current with the seal box, cause the continuous decline of second piston piece, reach its purpose that reduces the throw screen panel height.
(4) The limiting mechanism comprises a first rotating shaft fixedly connected with the upper end of the projection screen panel, a first sleeve ring is sleeved at the outer end of the first rotating shaft, a limiting rod is fixedly connected with the outer end of the first sleeve ring, a limiting block is fixedly connected with the upper end of the projection screen panel and is positioned on the left side of the first rotating shaft, a limiting groove is formed in the inner wall of the limiting block, a threaded rod is connected with the upper end of the limiting block in a threaded manner and is positioned on the upper side of the limiting groove, the diameter length of the limiting rod is equal to the diameter between the first rotating shaft and the limiting block, when the limiting mechanism is placed at ordinary times, the limiting rod can be placed between the inner walls of the limiting blocks, then the threaded rod rotates into the limiting groove under the action of the threaded rod, so that the limiting rod is limited, when the shading mechanism starts to shade the projection screen panel, a teacher can open the threaded rod by rotating, so that the limiting rod is separated from limiting, therefore, the surface of the shading mechanism is moved to the moment, the shading position of the shading mechanism is limited, and the phenomenon that the shading mechanism is wound again is avoided.
(5) The closing mechanism comprises a sliding rail which is arranged at the outer end of the projection screen panel, a sliding block is connected between the inner walls of the sliding rail in a sliding way, first magnetic blocks are fixedly arranged on the left inner wall and the right inner wall of the sliding rail, two partition plate sleeves are fixedly connected between the upper inner wall and the lower inner wall of the sliding rail, the two partition plate sleeves are respectively positioned at one side of the first magnetic blocks, second magnetic blocks are fixedly arranged at the left end and the right end of the sliding block, the second magnetic blocks and the first magnetic blocks are mutually attracted, a magnetic separation plate is connected between the inner walls of the partition plate sleeves in a sliding way, the magnetic separation plate penetrates through the lower end of the projection screen panel, a flat plate is fixedly connected at the lower end of the magnetic separation plate, two mutually symmetrical adjusting rods are fixedly connected between the flat plate and the projection screen panel, in the daily process, when the projection screen panel is not used, the teaching staff can unfold the shading mechanism, then attach the shading mechanism to the surface of the sliding block to be adsorbed with the sliding block, then continue to pull the shading mechanism, so that the projection screen panel is completely covered by the shading mechanism, and the slider of this moment also translates to the opposite side, teaching personnel's accessible pulling is dull and stereotyped this moment, cause the magnetic shield to extend downwards, the magnetic shield that drives the inside of baffle cover is sliding downwards, thereby make the second magnetic path on slider surface and first magnetic path magnetic attraction this moment, it is spacing simultaneously with the shading mechanism who is connected with the slider of this moment, avoid throwing the screen panel at ordinary times in-process and receive external dust filth and cause the phenomenon of pollution, when needs use throw the screen panel, teaching personnel can be through upwards promoting the flat board, cause the magnetic shield to be located the baffle cover, thereby it is isolated with the magnetism between first magnetic path and the slider, so that the slider takes place reset work under the elastic effect of shading mechanism rolling, make the throw the screen panel present in front of the student again.
(6) The shading mechanism comprises a sleeve arranged at the left end of the panel of the projection screen, supporting bases are fixedly connected at the upper end and the lower end of the sleeve, round tables are fixedly connected with the upper inner wall and the lower inner wall of the sleeve, a supporting column is fixedly connected between the two round tables, a rotating sleeve is rotatably connected at the outer end of the supporting column, a torsion spring is fixedly connected between the upper inner wall and the lower inner wall of the rotating sleeve, a through hole is formed in the outer end of the sleeve, shading cloth is fixedly connected at the outer end of the rotating sleeve and is in sliding connection with the through hole, a plurality of capillary fibers which are uniformly distributed are arranged at the outer end of the shading cloth, a pulling plate is fixedly connected at the left end of the shading cloth, a clamping groove is formed in one end, close to the sleeve, of the pulling plate, when a teaching worker performs teaching work and the surface of the projection screen panel generates a light reflection phenomenon due to large light, the teaching worker can pull the pulling plate to pull the shading cloth out of the pulling plate from the through hole, the rotatory sleeve that is connected with it simultaneously takes place to rotate, and make torque spring take place the moment of torsion change, can carry out the adjustment of multi-angle because of the shading cloth of pulling out, cause can shelter from completely the one side of reflection of light, and when reaching the position of sheltering from, insert through stop gear and establish to the draw-in groove in, it is whole spacing to carry out shading mechanism, and will throw the whole in-process that shelters from of screen panel at ordinary times, because shading cloth is throwing the screen panel surface and slide, cause capillary fiber to throw the pollutant and the dust on screen panel surface and adsorb the clean up, after that when the clearance with the clearance mechanism between friction, shift the filth to the clearance mechanism again on, thereby be convenient for carry out the clean up with the pollutant.
(7) Throw the screen panel and all cut open the constant head tank in both ends about, the sleeve is kept away from the one end fixedly connected with location slider of through-hole, sliding connection between location slider and the constant head tank, because the refraction of light differs at morning time and afternoon time's angle, so when the reflection of light face of throwing the screen panel if appearing lies in opposite side light shading mechanism and shelters from not lived, teaching personnel's accessible is made the light shading mechanism by the constant head tank downside lapse this moment, so that light shading mechanism breaks away from the spacing of constant head tank, insert the location slider of light shading mechanism outer end fixed to the constant head tank in, install one side that the reflection of light appears in throwing the screen panel with light shading mechanism from this, can carry on spacingly at the stop gear through the opposite side to light shading mechanism afterwards.
(8) The cleaning mechanism comprises a containing groove formed in the upper end of the mounting platform, a conical base is fixedly connected to the inner bottom end of the containing groove, two symmetrical circular iron blocks are fixedly connected to the upper end of the conical base, a second rotating shaft is fixedly connected between the inner walls of the two circular iron blocks, a second lantern ring is sleeved at the outer end of the second rotating shaft, a rubber rod is rotatably connected to the outer end of the second lantern ring, the diameter of the rubber rod is equal to the diameter height of the projection screen panel, when the shading mechanism needs to be cleaned due to the fact that dirt on the surface of the projection screen panel is adsorbed, a teaching worker can take out the rubber rod in the containing groove to enable the rubber rod to rotate on the second rotating shaft to be in a vertical state, then the shading mechanism is pulled to enable capillary fibers in the shading mechanism to rub on the surface of the rubber rod, so that the two parties can generate static electricity on the surface of the rubber rod in the rubbing process to adsorb the dust on the surface of the capillary fibers on the surface of the rubber rod, and then cleaning up the dirt on the surface of the rubber rod.
Drawings
FIG. 1 is a schematic structural view of the present invention as a whole;
FIG. 2 is a rear view of the present invention;
FIG. 3 is a schematic view of the height adjustment mechanism of the present invention as it is raised;
FIG. 4 is a schematic view of the height adjustment mechanism of the present invention in a lowered configuration;
FIG. 5 is a schematic view of the shutter mechanism of the present invention when opened;
FIG. 6 is a schematic structural view of a spacing mechanism of the present invention;
FIG. 7 is a schematic view of the closure mechanism of the present invention;
FIG. 8 is a schematic cross-sectional view of the light blocking mechanism of the present invention;
FIG. 9 is a schematic structural diagram of the cleaning mechanism of the present invention.
The reference numbers in the figures illustrate:
100 bottom plate, 200 placing table, 300 installing table, 400 sliding plate, 401USB interface, 500 operating element, 600 height adjusting mechanism, 601 rectangular groove, 602 adjusting box, 603 sliding groove, 604 first piston block, 605 supporting block, 606 adjusting rod, 607 connecting rod, 608 first pipeline, 609 second pipeline, 6010 first sealing ball, 6011 third pipeline, 6012 second sealing ball, 6013 sealing box, 6014 second piston block, 6015 telescopic rod, 6016 closing plug, 6017 bearing block, 700 projection screen panel, 701 positioning groove, 702 positioning slide block, 800 limiting mechanism, 801 first rotating shaft, 802 first lantern ring, 803 limiting rod, 804 limiting block, 805 limiting groove, 806 threaded rod, 900 closing mechanism, 901 sliding rail, 904 sliding block, 903 first magnetic block, partition sleeve, 905 second magnetic block, 906 partition magnetic plate, 907 flat plate, adjusting rod, 1000 shading mechanism, sleeve 1001, 1002 supporting base, 1005, 1004 pillar, torsion spring, 1005 spring, 1006 rotating sleeve, 1007 through hole, 1008 shading cloth, 1009 capillary fiber, 1010 pulling plate, 1011 clamping groove, 1100 cleaning mechanism, 1101 accommodating groove, 1102 conical base, 1103 circular iron block, 1104 second rotating shaft, 1105 second lantern ring and 1106 rubber rod.
Detailed Description
The drawings in the embodiments of the invention will be incorporated below; the technical scheme in the embodiment of the invention is clearly and completely described; obviously; the described embodiments are only some of the embodiments of the invention; but not all embodiments, are based on the embodiments of the invention; all other embodiments obtained by a person skilled in the art without making any inventive step; all fall within the scope of protection of the present invention.
In the description of the present invention, it should be noted that the terms "upper", "lower", "inner", "outer", "top/bottom", and the like indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the referred device or element must have a specific orientation, be constructed in a specific orientation, and be operated, and thus should not be construed as limiting the present invention. Furthermore, the terms "first" and "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "disposed," "sleeved/connected," "connected," and the like are to be construed broadly, e.g., "connected," which may be fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.
The embodiment is as follows:
referring to fig. 1-9, a teaching demonstration device for intelligent education comprises a base plate 100, a placing table 200 is fixedly connected to the upper end of the base plate 100, an installation table 300 is fixedly connected to the upper end of the placing table 200, a sliding plate 400 is slidably connected between the inner walls of the installation table 300, an operation element 500 is arranged at the upper end of the sliding plate 400, a height adjusting mechanism 600 is arranged at the bottom end of the placing table 200, the height adjusting mechanism 600 is slidably connected with the placing table 200, a projection screen panel 700 is fixedly connected to the upper end of the height adjusting mechanism 600, a limiting mechanism 800 is arranged at the upper end of the projection screen panel 700, a closing mechanism 900 is arranged at the end of the projection screen panel 700 close to the sliding plate 400, a shading mechanism 1000 is arranged at the left end of the projection screen panel 700, and a cleaning mechanism 1100 is arranged at the upper end of the installation table 300 The student can watch data more conveniently, when the surface of the projection screen panel 700 reflects light due to sunshine, a teaching person can pull the light-shielding mechanism 1000 open, and operate the limiting mechanism 800 to limit the light-shielding mechanism 1000, so that the light-shielding mechanism 1000 shields the light on the side surface, thereby avoiding the phenomenon that the light irradiates on the surface of the projection screen panel 700 to reflect light, and after the teaching work is finished, the teaching person can pull the light-shielding mechanism 1000 to make the light-shielding mechanism 1000 attached to the surface of the projection screen panel 700 and adsorbed by the closing mechanism 900, and then pull the light-shielding mechanism 1000 to completely cover the projection screen panel 700, and simultaneously operate the closing mechanism 900 to limit the light-shielding mechanism 1000, thereby shielding the whole projection screen panel of the projection screen panel 700, preventing dust and dirt from generating on the surface of the projection screen panel, and avoiding the need of cleaning the surface of the projection screen panel 700 during teaching, and daily needs when clearing up the adsorbed filth of light-shielding mechanism 1000, the teaching personnel accessible this moment stands clearance mechanism 1100 to roll up light-shielding mechanism 1000, open afterwards and the laminating of clearance mechanism 1100, cause to rub between light-shielding mechanism 1000 and the clearance mechanism 1100 and roll, make clearance mechanism 1100 produce static under frictional effect, clear up the filth that light-shielding mechanism 1000 adsorbs to clearance mechanism 1100 surface, the teaching personnel only need clean up the filth of clearance mechanism 1100 surface adhesion afterwards can.
Please refer to fig. 1, a rectangular groove is chiseled at the outer end of the sliding plate 400, a USB interface 401 is installed in the rectangular groove, when a teaching person throws a screen for teaching, if an additional electronic device is required to be accessed, the external device can be inserted into the USB interface 401 through the rectangular groove, so that data can be transmitted to the surface of the projection screen panel 700, the teaching person can use the sliding plate conveniently, and a few data streams are generated, when data can be transmitted through a USB disk, the teaching person can insert the USB disk into the USB interface 401 through the USB disk, thereby avoiding the working step of throwing the screen when the work is required, and improving the working efficiency.
Referring to fig. 1-4, the height adjusting mechanism 600 includes an adjusting box 602 installed in the platform 200, a rectangular groove 601 chiseled on an outer end of the platform 200, the adjusting box 602 is fixedly connected to an inner bottom end of the rectangular groove 601, a sliding groove 603 is chiseled on an upper end of the adjusting box 602, a first piston block 604 is slidably connected between inner walls of the sliding groove 603, a supporting block 605 is fixedly connected to an upper end of the adjusting box 602, the supporting block 605 is located on a left side of the sliding groove 603, an adjusting rod 606 is rotatably connected to an outer end of the supporting block 605, a connecting rod 607 is fixedly connected between the adjusting rod 606 and the first piston block 604, a seal box 6013 is fixedly connected to an upper end of the adjusting box 602, a first pipeline 608, a second pipeline 609 and a third pipeline 6011 are embedded in the adjusting box 602, the first pipeline 608 and the second pipeline 609 are located on a lower end of the sliding groove 603 and are mutually communicated with the seal box 3 and the sliding groove 603, the third pipeline 6011 is located on a left end of the sliding groove 603 and is located on a left end of the seal box 6013, The chutes 603 are communicated with each other, a first sealing ball 6010 is arranged in the first pipeline 608, a second sealing ball 6012 is arranged in the third pipeline 6011, a second piston block 6014 is slidably connected between inner walls of the sealing boxes 6013, an expansion link 6015 is installed at an upper end of the second piston block 6014, a closing plug 6016 is connected to an outer end of the adjusting box 602 in a threaded manner, the closing plug 6016 penetrates through the rectangular groove 601 to contact with an inner wall of the second pipeline 609, a bearing block 6017 is rotatably connected to an upper end of the expansion link 6015, the bearing block 6017 is fixedly connected to the projection screen panel 700, when a height of the whole projection screen panel 700 needs to be increased for a student to watch, the student can continuously press the adjusting rod 606 for many times by the teacher, under the effect of the adjusting rod 606, the first piston block 604 continuously transmits pressure into the third pipeline 6011, and the first sealing ball 6010 in the second pipeline 609 blocks the first pipeline 608 at this time during transmission, so as to prevent the passage of air flow, so that after the pressure is continuously accumulated to the third pipeline 6011 and is transferred into the sealed box 6013, the second piston block 6014 continuously drives the telescopic rod 6015 to move upwards, so that the projection screen panel 700 above the bearing block 6017 is lifted along with the lifting, thereby achieving the purpose of adjusting the height, when the angle of the projection screen panel 700 needs to be adjusted, the teaching staff can directly rotate the projection screen panel 700, so that the projection screen panel 700 drives the bearing block 6017 to rotate above the expansion link 6015, when the height of the panel 700 needs to be lowered, the closing plug 6016 outside the adjusting box 602 can be rotated to open and close the closing plug 6016 that originally separates the second duct 609 from the air flow, so that the third duct 6011 is communicated with the second duct 609, thereby releasing the air flow in the sealed box 6013 and causing the second piston block 6014 to descend continuously, so as to achieve the purpose of lowering the height of the panel 700.
Referring to fig. 1-2 and 5-6, the limiting mechanism 800 includes a first rotating shaft 801 fixedly connected to the upper end of the projection screen panel 700, a first collar 802 is sleeved on the outer end of the first rotating shaft 801, a limiting rod 803 is fixedly connected to the outer end of the first collar 802, a limiting block 804 is fixedly connected to the upper end of the projection screen panel 700, the limiting block 804 is located on the left side of the first rotating shaft 801, a limiting groove 805 is cut on the inner wall of the limiting block 804, a threaded rod 806 is connected to the upper end of the limiting block 804 by a thread, the threaded rod 806 is located on the upper side of the limiting groove 805, the diameter length of the limiting rod 803 is equal to the diameter between the first rotating shaft 801 and the limiting block 804, when the limiting mechanism 800 is placed at ordinary times, the limiting rod 803 can be placed between the inner walls of the limiting block 804, and then the thread is rotated into the limiting groove 805 under the action of the threaded rod 806, so as to limit the limiting rod 803, and when the light-shielding mechanism 1000 starts to shield the projection screen panel 700, at this time, the teaching staff can rotate to open the threaded rod 806 to cause the limiting rod 803 to be separated from limiting, so that the surface of the shading mechanism 1000 at this time is moved, the shading position of the shading mechanism 1000 is limited, and the phenomenon that the shading mechanism 1000 is rolled up again is avoided.
Referring to fig. 1, 5 and 7, the closing mechanism 900 includes a sliding rail 901 cut at an outer end of the screen panel 700, a sliding block 902 is slidably connected between inner walls of the sliding rail 901, first magnetic blocks 903 are fixedly mounted on left and right inner walls of the sliding rail 901, two partition sleeves 904 are fixedly connected between upper and lower inner walls of the sliding rail 901, the two partition sleeves 904 are respectively located at one sides of the first magnetic blocks 903, a second magnetic block 905 is fixedly mounted on left and right ends of the sliding block 902, the second magnetic block 905 and the first magnetic block 903 attract each other, a magnetic partition plate 906 is slidably connected between inner walls of the partition sleeves 904, the magnetic partition plate 906 penetrates through a lower end of the screen panel 700, a flat plate 907 is fixedly connected to a lower end of the magnetic partition plate 906, two symmetrical adjusting rods 908 are fixedly connected between the flat 907 and the screen panel 700, and when the teaching staff does not use the screen panel 700 in a daily process, the shading mechanism 1000 is unfolded and then attached to a surface of the sliding block 902, the magnetic shielding plate is attracted with the tablet 907, then the light shielding mechanism 1000 is pulled continuously, so that the light shielding mechanism 1000 completely covers the projection screen panel 700, the sliding block 902 is translated to the other side, at the moment, a teaching person can pull the tablet 907 to cause the magnetic shielding plate 906 to extend downwards to drive the magnetic shielding plate 906 in the partition sleeve 904 to slide downwards, so that the second magnetic block 905 on the surface of the sliding block 902 and the first magnetic block 903 are magnetically attracted at the moment, the sliding block 902 and the connected light shielding mechanism 1000 are limited at the same time, the phenomenon that the projection screen panel 700 is polluted by external dust and dirt in the ordinary process is avoided, when the projection screen panel 700 needs to be used, the teaching person can push the tablet 907 upwards to cause the magnetic shielding plate 906 to be positioned in the partition sleeve, so that the magnetism between the first magnetic block 903 and the sliding block 902 is isolated, so that the sliding block 902 is reset under the rolling elasticity of the light shielding mechanism 1000, such that the projection panel 700 is again presented to the student.
Referring to fig. 1-2, 5 and 8, the light shielding mechanism 1000 includes a sleeve 1001 disposed at the left end of the projection screen panel 700, a supporting base 1002 is fixedly connected to the upper and lower ends of the sleeve 1001, round tables 1003 are fixedly connected to the upper and lower inner walls of the sleeve 1001, a supporting post 1004 is fixedly connected between the two round tables 1003, a rotating sleeve 1006 is rotatably connected to the outer end of the supporting post 1004, a torsion spring 1005 is fixedly connected between the upper and lower inner walls of the rotating sleeve 1006, the torsion spring 1005 is located at the outer side of the supporting post 1004, a through hole 1007 is drilled at the outer end of the sleeve 1001, a light shielding cloth 1008 is fixedly connected to the outer end of the rotating sleeve 1006, the light shielding cloth 1008 is slidably connected to the through hole 1007, a plurality of capillary fibers 1009 uniformly distributed are disposed at the outer end of the light shielding cloth 1008, a pulling plate 1010 is fixedly connected to the left end of the pulling plate 1010, a slot 1011 is drilled at one end of the pulling plate 1010 near the sleeve 1001, when a teaching worker is working, if light is too strong to cause a reflection phenomenon on the surface of the projection screen panel 700, teaching personnel accessible pulling pull board 1010 causes shading cloth 1008 to pull out from through-hole 1007, and the rotatory sleeve 1006 that is connected with it rotates simultaneously, and make torsion spring 1005 take place the moment of torsion change, because the shading cloth 1008 that pulls out can carry out multi-angle adjustment, cause can be to the one side of reflection of light completely shelters from, and when reaching the position of sheltering from, insert through stop gear 800 and establish to draw-in groove 1011 in, carry out spacing with shading mechanism 1000 wholly, and throw the screen panel 700 whole in the process of sheltering from at ordinary times, because shading cloth 1008 throws screen panel 700 surface slip, cause capillary fibre 1009 will throw the pollutant and the dust on screen panel 700 surface clean up of adsorbing, rub during the clearance afterwards with clearance mechanism 1100, shift the filth to clearance mechanism 1100 again, thereby be convenient for clear up the pollutant.
Referring to fig. 8, the left and right ends of the projection screen panel 700 are both provided with positioning grooves 701, one end of the sleeve 1001 away from the through hole 1007 is fixedly connected with a positioning slider 702, the positioning slider 702 is slidably connected with the positioning grooves 701, because the angles of the light refraction are different between the morning time and the afternoon time, when the light shielding mechanism 1000 is not shielded by the light reflecting surface of the projection screen panel 700 on the other side, a teaching worker can slide the light shielding mechanism 1000 upwards from the lower side of the positioning grooves 701 to enable the light shielding mechanism 1000 to be separated from the positioning grooves 701 for limiting, the positioning slider 702 fixed at the outer end of the light shielding mechanism 1000 is inserted into the positioning grooves 701, and thus the light shielding mechanism 1000 is installed on the side of the projection screen panel 700 where the light reflection occurs, and then the light shielding mechanism 1000 can be limited by the limiting mechanism 800 on the other side.
Referring to fig. 1-2, 5 and 9, the cleaning mechanism 1100 includes a receiving slot 1101 cut at the upper end of the mounting platform 300, a tapered base 1102 is fixedly connected to the inner bottom end of the receiving slot 1101, two symmetrical circular iron blocks 1103 are fixedly connected to the upper end of the tapered base 1102, a second rotating shaft 1104 is fixedly connected between the inner walls of the two circular iron blocks 1103, a second collar 1105 is sleeved on the outer end of the second rotating shaft 1104, a rubber rod 1106 is rotatably connected to the outer end of the second collar 1105, the diameter of the rubber rod 1106 is equal to the diameter height of the projection screen panel 700, when the shading mechanism 1000 needs to be cleaned due to dirt adsorbed on the surface of the projection screen panel 700, a teaching worker can take out the rubber rod 1106 in the receiving slot 1101 to rotate the rubber rod 1106 on the second rotating shaft 1104 to present a vertical state, and then pull the shading mechanism 1000 to cause the capillary fibers in the shading mechanism 1000 to rub 1009 on the surface of the rubber rod 1106, so that static electricity is generated on the surfaces of the rubber rods 1106 during the rubbing process of the two parties, dust and impurities on the surfaces of the capillary fibers 1009 are adsorbed on the surfaces of the rubber rods 1106, and then the dirt on the surfaces of the rubber rods 1106 is cleaned up.
The above; but are merely preferred embodiments of the invention; the scope of the invention is not limited thereto; any person skilled in the art is within the technical scope of the present disclosure; the technical scheme and the improved concept of the invention are equally replaced or changed; are intended to be covered by the scope of the present invention.
Claims (8)
1. The utility model provides a teaching presentation device that wisdom education was used, includes bottom plate (100), its characterized in that: bottom plate (100) upper end fixedly connected with places platform (200), place platform (200) upper end fixedly connected with mount table (300), sliding connection has slide (400) between mount table (300) inner wall, slide (400) upper end is equipped with operation original paper (500), it is equipped with height adjusting mechanism (600) to place platform (200) inner bottom end, height adjusting mechanism (600) and place sliding connection between platform (200), height adjusting mechanism (600) upper end fixedly connected with throws screen panel (700), throw screen panel (700) upper end and be equipped with stop gear (800), the one end that throws screen panel (700) is close to slide (400) is equipped with closing mechanism (900), throw screen panel (700) left end and be equipped with shading mechanism (1000), mount table (300) upper end is equipped with clearance mechanism (1100).
2. A teaching demonstration apparatus for intelligent education as claimed in claim 1, wherein: the slide (400) outer end is cut open there is the rectangular channel, install USB interface (401) in the rectangular channel.
3. A teaching demonstration apparatus for intelligent education as claimed in claim 1, wherein: the height adjusting mechanism (600) comprises an adjusting box (602) installed in a placing table (200), a rectangular groove (601) is cut at the outer end of the placing table (200), the adjusting box (602) is fixedly connected with the inner bottom end of the rectangular groove (601), a sliding groove (603) is cut at the upper end of the adjusting box (602), a first piston block (604) is connected between the inner walls of the sliding groove (603) in a sliding manner, a supporting block (605) is fixedly connected at the upper end of the adjusting box (602), the supporting block (605) is positioned at the left side of the sliding groove (603), an adjusting rod (606) is rotatably connected at the outer end of the supporting block (605), a connecting rod (607) is fixedly connected between the adjusting rod (606) and the first piston block (604), a sealing box (6013) is fixedly connected at the upper end of the adjusting box (602), a first pipeline (608), a second pipeline (609) and a third pipeline (6011) are embedded in the adjusting box (602), the first pipeline (608) and the second pipeline (609) are positioned at the lower end of the chute (603), and is communicated with the seal box (6013) and the chute (603), the third pipeline (6011) is positioned at the left end of the chute (603), and is communicated with a seal box (6013) and a chute (603), a first seal ball (6010) is arranged in the first pipeline (608), a second sealing ball (6012) is arranged in the third pipeline (6011), a second piston block (6014) is connected between the inner walls of the sealing box (6013) in a sliding manner, an expansion link (6015) is installed at the upper end of the second piston block (6014), a closing plug (6016) is connected to the outer end of the adjusting box (602) in a threaded manner, the closing plug (6016) penetrates through the rectangular groove (601) to be in contact with the inner wall of the second pipeline (609), the upper end of the telescopic rod (6015) is rotatably connected with a bearing block (6017), and the bearing block (6017) is fixedly connected with the projection screen panel (700).
4. A teaching demonstration apparatus for intelligent education as claimed in claim 1, wherein: stop gear (800) are including throwing first pivot (801) of screen panel (700) upper end fixed connection, first pivot (801) outer pot head is equipped with first lantern ring (802), gag lever post (803) that first lantern ring (802) outer end fixed connection has, throw screen panel (700) upper end fixedly connected with stopper (804), stopper (804) are located first pivot (801) left side, stopper (804) inner wall is cut spacing groove (805), stopper (804) upper end threaded connection has threaded rod (806), threaded rod (806) are located spacing groove (805) upside, the diameter length of gag lever post (803) equals with the diameter between first pivot (801) to stopper (804).
5. A teaching demonstration apparatus for intelligent education as claimed in claim 1, wherein: the closing mechanism (900) comprises a sliding rail (901) cut at the outer end of the projection screen panel (700), a sliding block (902) is connected between the inner walls of the sliding rail (901) in a sliding manner, first magnetic blocks (903) are fixedly arranged on the left inner wall and the right inner wall of the sliding rail (901), two partition plate sleeves (904) are fixedly connected between the upper inner wall and the lower inner wall of the sliding rail (901), the two partition plate sleeves (904) are respectively positioned at one side of the first magnetic block (903), the left end and the right end of the sliding block (902) are fixedly provided with a second magnetic block (905), the second magnetic block (905) and the first magnetic block (903) are mutually attracted, a magnetic isolation plate (906) is connected between the inner walls of the baffle plate sleeves (904) in a sliding way, the magnetic isolation plate (906) penetrates through the lower end of the projection screen panel (700), the lower end of the magnetism isolating plate (906) is fixedly connected with a flat plate (907), and two symmetrical adjusting rods (908) are fixedly connected between the flat plate (907) and the projection screen panel (700).
6. A teaching demonstration apparatus for intelligent education in accordance with claim 1, wherein: the shading mechanism (1000) comprises a sleeve (1001) arranged at the left end of a projection screen panel (700), wherein the upper end and the lower end of the sleeve (1001) are fixedly connected with a supporting base (1002), the upper inner wall and the lower inner wall of the sleeve (1001) are fixedly connected with round tables (1003), a support column (1004) is fixedly connected between the two round tables (1003), the outer end of the support column (1004) is rotatably connected with a rotating sleeve (1006), a torsion spring (1005) is fixedly connected between the upper inner wall and the lower inner wall of the rotating sleeve (1006), the torsion spring (1005) is positioned at the outer side of the support column (1004), a through hole (1007) is arranged at the outer end of the sleeve (1001), shading cloth (1008) is fixedly connected at the outer end of the rotating sleeve (1006), the shading cloth (1008) is slidably connected with the through hole (1007), and a plurality of uniformly distributed capillary fibers (1009) are arranged at the outer end of the shading cloth (1008), the left end of the shading cloth (1008) is fixedly connected with a pulling plate (1010), and a clamping groove (1011) is formed in one end, close to the sleeve (1001), of the pulling plate (1010) in a chiseled mode.
7. A teaching demonstration apparatus for intelligent education as claimed in claims 1 and 6 wherein: the left end and the right end of the projection screen panel (700) are respectively provided with a positioning groove (701), one end of the sleeve (1001) far away from the through hole (1007) is fixedly connected with a positioning sliding block (702), and the positioning sliding block (702) is in sliding connection with the positioning grooves (701).
8. A teaching demonstration apparatus for intelligent education as claimed in claim 1, wherein: clearance mechanism (1100) are including holding groove (1101) of accepting that installation platform (300) upper end was excavated, hold groove (1101) inner bottom fixedly connected with conical base (1102), two circular iron plate (1103) of mutual symmetry of conical base (1102) upper end fixedly connected with, two fixedly connected with second pivot (1104) between circular iron plate (1103) inner wall, second pivot (1104) outer pot head is equipped with second lantern ring (1105), second lantern ring (1105) outer end is rotated and is connected with rubber stick (1106), the diameter of rubber stick (1106) and the diameter height of throwing screen panel (700) equal.
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| CN202210293531.9A CN114677862A (en) | 2022-03-24 | 2022-03-24 | Teaching presentation device that wisdom education was used |
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Effective date of abandoning: 20240517 |