CN116369666A - Dustproof multimedia intelligent platform for teaching - Google Patents
Dustproof multimedia intelligent platform for teaching Download PDFInfo
- Publication number
- CN116369666A CN116369666A CN202310525264.8A CN202310525264A CN116369666A CN 116369666 A CN116369666 A CN 116369666A CN 202310525264 A CN202310525264 A CN 202310525264A CN 116369666 A CN116369666 A CN 116369666A
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- block
- fixedly connected
- sliding
- plate
- book
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- 239000000428 dust Substances 0.000 claims abstract description 27
- 238000002474 experimental method Methods 0.000 claims abstract description 27
- 238000009825 accumulation Methods 0.000 claims abstract description 6
- 239000004744 fabric Substances 0.000 claims description 42
- 238000004804 winding Methods 0.000 claims description 22
- 230000001681 protective effect Effects 0.000 claims description 19
- 238000002347 injection Methods 0.000 claims description 16
- 239000007924 injection Substances 0.000 claims description 16
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 14
- 238000007599 discharging Methods 0.000 claims description 11
- 230000000694 effects Effects 0.000 claims description 10
- 238000000034 method Methods 0.000 claims description 7
- 239000000126 substance Substances 0.000 claims description 6
- 230000008602 contraction Effects 0.000 claims description 3
- 239000000463 material Substances 0.000 claims description 3
- 238000000151 deposition Methods 0.000 claims description 2
- 230000002708 enhancing effect Effects 0.000 claims description 2
- 241001310793 Podium Species 0.000 abstract description 11
- 239000007788 liquid Substances 0.000 abstract description 9
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 abstract description 4
- 230000007306 turnover Effects 0.000 abstract description 2
- 238000005507 spraying Methods 0.000 description 5
- 238000010276 construction Methods 0.000 description 4
- 238000010586 diagram Methods 0.000 description 4
- 230000001965 increasing effect Effects 0.000 description 4
- 230000002265 prevention Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000011521 glass Substances 0.000 description 1
- 230000035515 penetration Effects 0.000 description 1
- 239000012466 permeate Substances 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
- 230000000630 rising effect Effects 0.000 description 1
- 238000005406 washing Methods 0.000 description 1
Images
Classifications
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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
- A47B19/00—Reading-desks; Lecterns; Pulpits, i.e. free-standing
- A47B19/10—Reading-desks; Lecterns; Pulpits, i.e. free-standing characterised by association with auxiliary devices, e.g. paper clamps, line indicators
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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
- A47B37/00—Tables adapted for other particular purposes
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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
-
- 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
- A47B37/00—Tables adapted for other particular purposes
- A47B2037/005—Tables specially adapted for laboratories
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P90/00—Enabling technologies with a potential contribution to greenhouse gas [GHG] emissions mitigation
- Y02P90/02—Total factory control, e.g. smart factories, flexible manufacturing systems [FMS] or integrated manufacturing systems [IMS]
Landscapes
- Mirrors, Picture Frames, Photograph Stands, And Related Fastening Devices (AREA)
- Eye Examination Apparatus (AREA)
Abstract
The invention relates to the technical field of multimedia teaching, in particular to a dustproof multimedia intelligent platform for teaching. The technical problems are as follows: the surface of long-time unused podium can pile up a large amount of dust, and when the beaker was turned over carelessly in the experiment, the podium can be burnt, influences the teacher and uses, and books can turn over the page when shooing books, experimental apparatus. The technical scheme is as follows: a dustproof multimedia intelligent platform for teaching comprises a support column, a storage platform, a third fixed block, a push rod and the like; the support column is fixedly connected with a storage table; the rear part of the support column is fixedly connected with a third fixed block; the third fixed block is fixedly connected with two push rods. The invention can prevent the pungent gas emission generated during experiments, and the situation of damaging the platform caused by liquid overflow and turning over of the alcohol lamp; the invention can effectively prevent the platform from accumulating a large amount of dust during the holiday, thereby playing the role of preventing dust accumulation.
Description
Technical Field
The invention relates to the technical field of multimedia teaching, in particular to a dustproof multimedia intelligent platform for teaching.
Background
The traditional podium is generally only used for placing objects such as lectures, chalks and books, and along with the development of science and technology, the teaching equipment is more advanced, a plurality of high-tech teaching equipment are developed, a computer is one of the most advanced scientific and technical inventions in the 20 th century, and the computer is spread across places such as schools, enterprises and public institutions, so that the podium combined with the computer is widely used in teaching;
during the holiday of students, the podium is not used, and a large amount of dust can be piled up on the surface of the podium that does not use for a long time, and when the experiment carelessly turns over the beaker, the podium can be burnt, influences the teacher and uses.
The main functions of the existing podium are used for shooting and projecting books in the hands of teachers and the process of doing chemical experiments on a screen, so that the teacher can conveniently explain book contents of the teacher and can conveniently sit in students in the back row to better watch the operations of the experiments such as chemical experiments;
however, the existing podium does not have a fixing device when shooting books, so that the thickness difference between two sides is too large when the books are blown by wind or the books are unfolded during explanation, and the books turn over pages by themselves, so that a teacher needs to press the books at the same time when explaining, and the teacher is difficult to teach;
teacher need shoot when doing the experiment, but current shooting all is through article shooting such as cell-phone, does not have the thing of shooing specially in the current podium, this just has led to when shooing, and the picture can be disordered's condition, causes the student to watch the effect poor, and beaker and the test tube etc. that do the experiment simultaneously all can place on the podium, will pile up the dust when not using for a long time, causes the washing difficulty.
Disclosure of Invention
In order to overcome the defects that a large amount of dust can be accumulated on the surface of a platform which is not used for a long time, when a beaker is turned carelessly in an experiment, the platform can be burnt to influence the use of a teacher, pages of the book can be turned when the teacher shoots books, and an experiment instrument, the invention provides a dustproof multimedia intelligent platform for teaching.
The technical scheme is as follows: a dustproof multimedia intelligent platform for teaching comprises a support column, a storage platform, a third fixed block and a push rod; the support column is fixedly connected with a storage table; the rear part of the support column is fixedly connected with a third fixed block; the third fixed block is fixedly connected with two push rods; the device also comprises a second connecting plate, an air injection plate, an observation block, an air suction plate, a flow guide block, a placing plate, a second collecting box, a protection system and a shooting system; the two push rod contraction parts are fixedly connected with a second connecting plate together; the second connecting plate is fixedly connected with an air injection plate, and a plurality of air injection ports are arranged on the front side of the air injection plate, and the openings of the air injection ports are downward; an observation block is fixedly connected to the inner side of the second connecting plate; the front part of the object placing table is fixedly connected with an air suction plate, the air suction plate is provided with a plurality of air suction openings, and the openings of the air suction openings incline upwards; the lower part of the air suction plate is fixedly connected with a flow guide block, and the flow guide block is positioned right below the collecting area; the front part of the support column is fixedly connected with a placing plate which is positioned below the suction plate; the lower side of the placing plate is detachably connected with a second collecting box; the object placing table is connected with a protection system for preventing the object placing table from being damaged by the chemical experiment; the object placing table is connected with a shooting system for adjusting shooting height.
Further, the air inlets on the two sides face obliquely to the middle position, and the air outlets on the two sides face obliquely to the middle position.
Further stated, the protection system comprises a second automatic winding box, a second pull block, a second limiting block and protection cloth; the left side of the object placing table is fixedly connected with a second automatic winding box; the second automatic winding box is internally wound with protective cloth; one end of the protective cloth is fixedly connected with a second pull block; two second limiting blocks are fixedly connected to the right part of the upper side of the object placing table.
The shooting system comprises a first clamping block, a protection plate, a torsion spring, a stop block, a first motor, a first connecting rod, a first gear, a first rotating rod, a second motor, a screw rod, a first sliding block, a fixed rod, a second connecting rod, a camera and a book placing component; the rear part of the upper side of the object placing table is connected with a first clamping block in a sliding way; the object placing table is connected with a protection plate in a sliding way; the right part of the object placing table is fixedly connected with two torsion springs; the right part of the object placing table is rotationally connected with a stop block, two torsion springs are positioned on the outer annular surfaces at two ends of the stop block, and the torsion springs are fixedly connected with the stop block; the upper part of the object placing table is provided with a first motor; the upper part of the object placing table is rotationally connected with a first connecting rod; the first connecting rod is fixedly connected with the output shaft of the first motor; the first connecting rod is fixedly connected with a first gear; the left part of the first connecting rod is rotatably connected with a first rotating rod; the first rotating rod is provided with a second motor; the first rotating rod is rotationally connected with a screw rod; the screw rod is fixedly connected with the output shaft of the second motor; the screw rod is screwed with a first sliding block; the first sliding block is in sliding connection with the first rotating rod; the first sliding block is fixedly connected with a fixed rod; the fixed rod is rotationally connected with a second connecting rod; the second connecting rod is rotationally connected with a camera; the left part of the object placing table is connected with a book placing component for enhancing the book projection effect.
The book placing assembly comprises a second rotating rod, a second gear, a first connecting plate, a first limiting block, a second sliding block, a first spring, a book placing block, a first fixed block, a third sliding block, a second spring, a book clamping block and a storage assembly; the upper part of the inner side of the object placing table is rotationally connected with a second rotating rod; the second rotating rod is positioned on the right side of the first connecting rod; the second rotating rod is fixedly connected with a second gear; the second gear is meshed with the first gear; the lower side of the second rotating rod is movably inserted with a first connecting plate, and the upper part of the right side of the second rotating rod is movably inserted with two first limiting blocks which are symmetrically distributed front and back; the right side of the first connecting plate is slidingly connected with a second sliding block; the upper side and the lower side of the second sliding block are fixedly connected with a plurality of first springs which are distributed in a rectangular shape respectively; the first spring below is fixedly connected with a book placing block; the first spring above is fixedly connected with another book placing block; the right front part and the right rear part of the second sliding block are fixedly connected with a first fixed block respectively; each first fixed block is connected with a third sliding block in a sliding way; each third sliding block is fixedly connected with two second springs; each second spring is fixedly connected with a book clamping block, and the book clamping blocks are connected with the third sliding block in a sliding manner; the two book clamping blocks on the same side move oppositely through a second spring; the left side of the first connecting plate is connected with a storage component for preventing the experimental apparatus from depositing ash.
Further illustratively, the second slider left half is larger than the second slider right half.
The storage component comprises a fourth sliding block, a clamping block, a sector block, a first automatic winding box, a first pulling block, a second fixing block, a third spring, a second clamping block, a discharging block, a first collecting box and dustproof cloth; a plurality of fourth sliding blocks are movably inserted on the left side of the first connecting plate, and are distributed in a square shape; each fourth sliding block is rotationally connected with a clamping block for clamping and fixing the beaker; the upper part and the lower part of the left side of the first connecting plate are fixedly connected with a sector block respectively; the opposite sides of the two sector blocks are provided with sliding grooves; the lower sector block is provided with a water outlet groove; the front part of the left side of the first connecting plate is fixedly connected with a first automatic winding box; the first automatic winding box is fixedly connected with dustproof cloth for preventing experimental apparatus dust accumulation and preventing water drops of the experimental apparatus from falling to the ground; the dustproof cloth is fixedly connected with a first pull block; the two sliding grooves are connected with a first pull block in a sliding way; the rear parts of the two sector blocks are fixedly connected with a second fixed block respectively; two third springs are fixedly connected to the two second fixing blocks respectively; two third springs on the same side are fixedly connected with a second clamping block, and the second clamping block is connected with the second fixing block in a sliding manner; the lower part of the right side of the support column is fixedly connected with a discharging block; the discharging block is provided with a first collecting box.
Further, the middle three fourth sliders and the clamping blocks are smaller than the fourth sliders and the clamping blocks on two sides.
Further, the dustproof cloth is made of waterproof materials.
Further, the lower segment is inclined.
The beneficial effects of the invention are as follows: the invention can prevent the pungent gas emission generated during experiments, and the situation of damaging the platform caused by liquid overflow and turning over of the alcohol lamp; when not in use, the invention can effectively prevent the platform from accumulating a large amount of dust, thereby playing the role of preventing dust accumulation.
The invention can shoot books and experiments differently, solves the problem of poor shooting picture caused by no special shooting equipment in the experiment, can adjust shooting height and angle in the shooting process, and greatly increases shooting effect.
The invention can fix books to be shot, solves the problem that the books can turn pages when the books are not fixed, solves the problem that teachers need to fix the books all the time when the books are turned open because the thickness difference between the two sides is large, and can make the pages of the books to be shot in a horizontal state, thereby greatly increasing the shooting effect.
The invention can realize the functions of dust prevention and drainage when the experimental apparatus is stored, and solves the problem that the experimental apparatus is easy to accumulate dust.
Drawings
FIG. 1 is a schematic view of a first construction of a dust-proof teaching multimedia intelligent platform according to the present invention;
FIG. 2 is a schematic diagram showing a second construction of the dust-proof teaching multimedia intelligent platform according to the present invention;
FIG. 3 is a schematic view showing a part of the structure of the dustproof multimedia intelligent platform for teaching of the present invention;
FIG. 4 is a sectional view showing a part of the construction of the dust-proof teaching multimedia intelligent platform according to the present invention;
FIG. 5 is a schematic view showing a first partial structure of a photographing system disclosed in the dustproof multimedia intelligent platform for teaching of the present invention;
FIG. 6 is a schematic diagram showing a second partial structure of a photographing system disclosed in the dustproof multimedia intelligent platform for teaching of the present invention;
FIG. 7 is a schematic diagram showing a third partial structure of a photographing system disclosed in the dustproof multimedia intelligent platform for teaching of the present invention;
FIG. 8 is a schematic diagram of a book placing assembly disclosed by the dustproof multimedia intelligent platform for teaching of the invention;
FIG. 9 is a sectional view of a book placing assembly disclosed by the dust-proof multimedia intelligent platform for teaching of the invention;
FIG. 10 is a sectional view showing a part of the structure of a book placing assembly disclosed in the dust-proof type multimedia intelligent platform for teaching of the present invention;
FIG. 11 is an enlarged view of FIG. 10 at A;
FIG. 12 is a sectional view showing a part of the construction of a storage assembly disclosed in the dust-proof teaching multimedia intelligent platform of the present invention;
fig. 13 is an enlarged view at B of fig. 12.
In the above figures: 1-support column, 2-placing table, 101-first clamping block, 102-protection plate, 103-torsion spring, 104-stopper, 105-first motor, 106-first connecting rod, 107-first gear, 108-first rotating rod, 109-second motor, 1010-screw rod, 1011-first slider, 1012-fixed rod, 1013-second connecting rod, 1014-camera, 201-second rotating rod, 202-second gear, 203-first connecting plate, 204-first stopper, 205-second slider, 206-first spring, 207-placing block, 208-first fixed block, 209-third slider, 2010-second spring, 2011-book clamping block, 211-fourth slider, 212-clamping blocks, 213-fan-shaped blocks, 214-first automatic winding boxes, 215-first pulling blocks, 216-second fixing blocks, 217-third springs, 218-second clamping blocks, 219-discharging blocks, 2110-first collecting boxes, 2111-dustproof cloths, 301-third fixing blocks, 302-pushing rods, 303-second connecting plates, 304-air injection plates, 305-observing blocks, 306-air suction plates, 307-air guide blocks, 308-placing plates, 309-second collecting boxes, 311-second automatic winding boxes, 312-second pulling blocks, 313-second limiting blocks, 314-protective cloths, 2 a-discharging boxes, 213 a-sliding boxes, 213 b-water outlet boxes, 304 a-air injection ports and 306 a-air suction ports.
Detailed Description
The invention will be further described with reference to specific examples, illustrative examples and illustrations of which are provided herein to illustrate the invention, but are not to be construed as limiting the invention.
Example 1
A dustproof multimedia intelligent platform for teaching is shown in figures 1-4, and comprises a support column 1, a storage platform 2, a third fixed block 301 and a push rod 302; the support column 1 is fixedly connected with a storage table 2; the rear part of the support column 1 is connected with a third fixing block 301 through bolts; the third fixed block 301 is connected with two push rods 302 by bolts;
the device also comprises a second connecting plate 303, an air injection plate 304, an observation block 305, an air suction plate 306, a flow guide block 307, a placing plate 308, a second collecting box 309, a protection system and a shooting system; the contraction parts of the two push rods 302 are fixedly connected with a second connecting plate 303; the upper side of the second connecting plate 303 is fixedly connected with a gas spraying plate 304, ten gas spraying ports 304a are arranged on the front side of the gas spraying plate 304, the openings of the gas spraying ports 304a face downwards, and the openings of the two gas spraying ports 304a outside the two sides face downwards and incline towards the middle, so that when gas is blown, the gas is blown downwards and towards the middle to prevent the gas from overflowing towards the two sides; an observation block 305 is fixedly connected to the inner side of the second connecting plate 303, and the observation block 305 is made of explosion-proof glass, so that liquid can be prevented from being sputtered out during experiments, and the watching experience of front students can be ensured; the front part of the object placing table 2 is fixedly connected with an air suction plate 306, the air suction plate 306 is provided with ten air suction openings 306a, the openings of the air suction openings 306a are upwards inclined, and two air suction openings 306a outside the two sides are upwards inclined towards the two sides at the same time, so that when in air suction, more range of air can be sucked, and the air is prevented from being diffused; the lower part of the air suction plate 306 is fixedly connected with a guide block 307, and the guide block 307 is positioned right below the collecting area; a placing plate 308 is fixedly connected to the front part of the support column 1, and the placing plate 308 is positioned below the suction plate 306; the lower side of the placing plate 308 is connected with a second collecting box 309 through plugging or clamping, so that the second collecting box 309 can be cleaned at any time, the air injection plate 304 blows accumulated dust for a long time when the placing table 2 is not used, so that the dust moves forwards, at the moment, the air suction plate 306 can suck the dust flying in the air, and the dust blown to move forwards falls into a collecting area, and then the dust is collected into the second collecting box 309 through the guide block 307, so that the dust prevention effect on the placing table 2 is achieved; the object placing table 2 is connected with a protection system; the object placing table 2 is connected with a shooting system.
The protection system comprises a second automatic winding box 311, a second pull block 312, a second limiting block 313 and a protection cloth 314; a second automatic winding box 311 is fixedly connected to the left side of the object placing table 2; the second automatic winding box 311 is internally wound with a protective cloth 314, and the protective cloth 314 has the function of preventing water penetration and certain fireproof performance; one end of the protective cloth 314 is fixedly connected with a second pull block 312; two second limiting blocks 313 are fixedly connected to the right portion of the upper side of the object placing table 2, when experiments are needed, the second pulling blocks 312 are pulled to pull out the protective cloth 314, and then the protective cloth 314 is fixed on the second limiting blocks 313, when liquid overflows, the protective cloth 314 can prevent the liquid from flowing into the platform, and when the alcohol lamp turns over, the protective cloth 314 can also prevent flame from burning the platform.
The specific working steps are as follows:
when a chemical experiment needs to be performed, the second pull block 312 is pulled to move to the right with the protective cloth 314, so that the protective cloth 314 is paved on the object placing table 2, then the second pull block 312 is placed on the object placing groove 2a, at the moment, the second limiting block 313 is contacted with the second pull block 312 and limits the second pull block 312, so that the movement of the second pull block 312 is prevented, at the moment, the second automatic winding box 311 can provide a leftward moving force for the second pull block 312, and at the limit of the second limiting block 313, the protective cloth 314 is tightly pulled, so that the protective cloth 314 is completely attached to the object placing table 2, and meanwhile, the push rod 302 pushes the second connecting plate 303 to rise, so that the air injection plate 304 and the observation block 305 are lifted, and as shown in the figure, the observation block 305 can intercept objects which can be splashed during the experiment, and the watching effect of students can be ensured; when chemical experiments are performed to generate pungent gas, the jet plate 304 can jet the gas downwards to prevent the gas from rising and diffusing to classrooms, meanwhile, teachers are guaranteed not to smell the pungent gas, the jet ports 304a on two sides are inclined downwards and inwards, at the moment, the gas is blown to the middle to avoid the gas from overflowing outwards, the upward air suction ports 306a of the air suction plate 306 can suck the gas, the upward air suction ports 306a on two sides are inclined upwards and outwards, so that the air suction area is increased, and all the gas is guaranteed to be sucked.
When the liquid overflows carelessly during experiments, the protective cloth 314 can prevent the liquid from flowing into the object placing table 2 to damage the device, then the liquid is pushed to the direction of the air suction plate 306, and the liquid flows to the flow guide block 307 through the front part of the object placing table 2 so as to flow into the second collecting box 309 to be collected; when the alcohol lamp is turned over carelessly in the experiment, the protective cloth 314 can prevent the flame from burning the object placing table 2, the service life of the platform is prolonged, and when the protective cloth 314 is damaged, the protective cloth can be directly replaced, so that the replacement cost is reduced; after the experiment is finished, the push rod 302 is controlled to enable the second connecting plate 303 to move downwards for resetting; when holiday students and teachers leave the false, a large amount of dust can be accumulated on the surface of the platform, and the air injection plate 304 can blow away the dust, so that the dust can be effectively prevented from accumulating in a large amount.
Example 2
Based on embodiment 1, as shown in fig. 5-11, the shooting system includes a first clamping block 101, a protection plate 102, a torsion spring 103, a stop 104, a first motor 105, a first connecting rod 106, a first gear 107, a first rotating rod 108, a second motor 109, a screw 1010, a first slider 1011, a fixed rod 1012, a second connecting rod 1013, a camera 1014, and a book placing assembly; the rear part of the upper side of the object placing table 2 is connected with a first block 101 in a sliding way, and the surface of the first block 101 is rough, so that the friction force between the first block 101 and a hand is increased, and a user can push the first block 101 conveniently; the upper part in the object placing table 2 is connected with a protection plate 102 in a sliding way; two torsion springs 103 are fixedly connected to the right part of the upper side of the object placing table 2; the right part of the upper side of the object placing table 2 is rotationally connected with a stop block 104, two torsion springs 103 are positioned on the outer annular surfaces of the two ends of the stop block 104, and one end of each torsion spring 103 is fixedly connected with the stop block 104; the upper part of the inner side of the object placing table 2 is connected with a first motor 105 through bolts; the upper part of the inner side of the object placing table 2 is rotatably connected with a first connecting rod 106; the first connecting rod 106 is fixedly connected with the output shaft of the first motor 105, the first clamping block 101 is moved rightwards, the protection plate 102 is moved forwards, the protection plate 102 does not block the first connecting rod 106, the first motor 105 drives the first connecting rod 106 to rotate clockwise from a front-to-back angle, and the first connecting rod 106 drives related parts to rotate ninety degrees; the front part of the first connecting rod 106 is fixedly connected with a first gear 107; a first rotating rod 108 is rotatably connected to the left part of the first connecting rod 106; the first rotating rod 108 is connected with a second motor 109 through bolts; a screw 1010 is rotatably connected to the first rotating lever 108; the screw 1010 is fixedly connected with the output shaft of the second motor 109; the screw 1010 is screwed with a first sliding block 1011; the first slider 1011 is slidingly connected with the first rotation lever 108; the first sliding block 1011 is connected with a fixed rod 1012 through a bolt; the fixing lever 1012 is rotatably connected with a second connecting lever 1013; the second connecting rod 1013 is rotatably connected with a camera 1014 for shooting books and experimental steps, and the second motor 109 drives the screw rod 1010 so as to drive the first sliding block 1011 to ascend or descend, so that the first sliding block 1011 drives the fixed rod 1012, the second connecting rod 1013 and the camera 1014 to ascend or descend, and the camera 1014 can ascend or descend to adjust shooting angles; the left part of the object placing table 2 is connected with a book placing component.
The book placing assembly comprises a second rotating rod 201, a second gear 202, a first connecting plate 203, a first limiting block 204, a second sliding block 205, a first spring 206, a book placing block 207, a first fixed block 208, a third sliding block 209, a second spring 2010, a book clamping block 2011 and a book placing assembly; the upper part of the inner side of the object placing table 2 is rotatably connected with a second rotating rod 201; the second rotating rod 201 is positioned on the right of the first connecting rod 106; the front part of the second rotating rod 201 is fixedly connected with a second gear 202; the second gear 202 meshes with the first gear 107; the lower side of the second rotating rod 201 is movably inserted with a first connecting plate 203, the upper part of the right side of the second rotating rod 201 is movably inserted with two first limiting blocks 204, and the two first limiting blocks 204 are symmetrically distributed in the front-back direction; the right side of the first connecting plate 203 is slidingly connected with the second sliding block 205, the left half part of the second sliding block 205 is larger than the right half part, and when the left half part of the second sliding block 205 is slidingly connected with the right part of the first connecting plate 203, the first connecting plate 203 can clamp the left part of the second sliding block 205 to prevent the second sliding block 205 from sliding out of the first connecting plate 203; four first springs 206 which are distributed in a rectangular shape are fixedly connected to the upper side and the lower side of the second sliding block 205 respectively; the lower four first springs 206 are fixedly connected with a book placing block 207; the upper four first springs 206 are fixedly connected with another book placing block 207 together, the spine of a book is placed between the two book placing blocks 207, then the book placing blocks 207 are pressed down, then two sides of the book are pushed into gaps between the book placing blocks 207 and the second sliding blocks 205, then hands are loosened, and at the moment, the first springs 206 press the book placing blocks 207 upwards, so that the book placing blocks 207 clamp the book; the front right part and the rear right part of the second sliding block 205 are respectively connected with a first fixed block 208 through bolts; each first fixed block 208 is slidably connected with a third sliding block 209; each third slider 209 is fixedly connected with two second springs 2010; each second spring 2010 is fixedly connected with a book clamping block 2011, and the book clamping blocks 2011 are in sliding connection with the third sliding blocks 209; the two book clamping blocks 2011 on the same side move towards each other through the second spring 2010; a storage component for preventing dust accumulation of the laboratory instruments is connected to the left side of the first connection plate 203.
The adjacent sides of the two book placing blocks 207 are arc-shaped, so that books can be placed conveniently.
The specific working steps are as follows:
when a book needs to be projected, as the first clamping block 101 limits the protection plate 102, and the initial position of the first clamping block 101 is at the left side of the L-shaped through groove on the protection plate 102, then the first clamping block 101 is pushed to the right, limiting of the protection plate 102 by the first clamping block 101 is released, then the protection plate 102 is pushed forwards, the front is seen from the front to the back, the first motor 105 is started to enable the first connecting rod 106 to rotate ninety degrees clockwise, the first rotating rod 108 is driven along with the rotation of the first connecting rod 106, the second motor 109, the lead screw 1010, the first slider 1011, the fixing rod 1012, the second connecting rod 1013 and the camera 1014 rotate clockwise by ninety degrees together, in the rotation process of the first connecting rod 106, the first connecting rod 106 is contacted with the stop 104, and the torsion spring 103 is twisted, the fixing rod 1012 is directed to the back, the first connecting rod 108 is rotated clockwise by ninety degrees from the top to the bottom, then the second connecting rod 106 is rotated clockwise by the rotation of the ninety degrees, and the second connecting rod is rotated upwards by the rotation of the second connecting rod is seen from the front to the back, the front is not pushed to the right, the rotation of the protection plate 102 is prevented from being rotated by the left to the corresponding to the fixing rod 1013, and the rotation of the protection plate is prevented from being excessively pushed to the right by the rotation of the first connecting rod 101, and the rotation is prevented from being opposite to the front to the rotation of the front by the connecting rod is opposite to the rotation of the stop plate 101; when the first motor 105 drives the first connecting rod 106 to rotate, the first gear 107 is driven to rotate clockwise, and based on the condition that the first gear 107 drives the second gear 202 to rotate ninety degrees anticlockwise, the second rotating rod 201, the first connecting plate 203, the first limiting block 204, the second sliding block 205, the first spring 206, the book placing block 207, the first fixing block 208, the third sliding block 209, the second spring 2010 and the book clamping block 2011 synchronously rotate along with the second gear 202, as shown in the figure, the spine of the book is placed between the two book placing blocks 207, the book is turned to a page to be projected and is unfolded and placed on the book placing block 207, then the book is pushed downwards to enable the book placing block 207 to move downwards, the first spring 206 is compressed, a gap is formed between the book placing block 207 and the second sliding block 205, two ends of the book are plugged into the gap, and then hands are released, at this time, the first spring 206 is changed from a compressed state to a normal state, and the book placing block 207 is pushed to move upwards in the process of changing the first spring 206, so that the book placing block 207 clamps the book, so as to fix the book, since the spine of the book is positioned between the two book placing blocks 207, after the book is unfolded, the two sides of the book are in a horizontal state, so that the placing state of the book is not the middle bulge, and the two sides of the book droop, so that the content displayed by the book is more horizontal, radian is not generated, projection effect is increased, when the right half of the book needs to be projected, only the second slider 205 is required to be pulled to the left, so that the second slider 205 slides on the first connecting plate 203, so that the right half of the book is pulled below the camera 1014, and since the sitting half of the second slider 205 is bigger than the right half, when the second slider 205 slides to the right, the right half part of the second slider 205 cannot be blocked by the first connecting plate 203, when the left part of the second slider 205 slides to the right part of the first connecting plate 203, the first connecting plate 203 is prevented from falling down due to overlarge pulling, as shown in the figure, when the last pages of a thicker book are projected, the second spring 2010 and the book clamping block 2011 move synchronously along the third slider 209, and the other half part of the book is thinner due to the fact that the pages are more, so that the whole thickness of the pages is thicker, when the books are flattened, the part needing to be bent at the middle part of the thinner side is more, the part needing to be projected can be bent and blocked, and the thicker part can not be clamped by the book clamping block 207 after being bent, when the situation occurs, the third slider 209 is pulled to the top end, the second spring 2010 and the book clamping block 2011 rotate in the direction to clamp the pages of the second book, so that the two pages are clamped by the second spring 2010 and the two pages are more vertically, and the two pages of the book clamping block 2010 are clamped between the two books are more vertically, so that the two books are more thick.
Example 3
Based on embodiment 2, as shown in fig. 12-13, the placing component comprises a fourth sliding block 211, a clamping block 212, a fan-shaped block 213, a first automatic winding box 214, a first pulling block 215, a second fixing block 216, a third spring 217, a second clamping block 218, a placing block 219, a first collecting box 2110 and a dustproof cloth 2111; nine fourth sliding blocks 211 are movably inserted on the left side of the first connecting plate 203, and the nine fourth sliding blocks 211 are distributed in a square shape; each fourth slider 211 is rotatably connected with a clamping block 212; the upper left side and the lower left side of the first connecting plate 203 are fixedly connected with a sector block 213 respectively; the opposite sides of the two sector blocks 213 are provided with sliding grooves 213a; the lower sector block 213 is provided with a water outlet groove 213b; a first automatic winding box 214 is fixedly connected to the front left side of the first connecting plate 203; the first automatic winding box 214 is fixedly connected with a dustproof cloth 2111; the dustproof cloth 2111 is fixedly connected with a first pull block 215; the two sliding grooves 213a are connected with a first pull block 215 in a sliding manner; a second fixed block 216 is fixedly connected to the rear parts of the two fan-shaped blocks 213 respectively; two third springs 217 are fixedly connected to the two second fixing blocks 216 respectively; two third springs 217 on the same side are fixedly connected with a second clamping block 218, and the second clamping block 218 is in sliding connection with the second fixing block 216; the lower part of the right side of the support column 1 is connected with a discharging block 219 through bolts; the first collecting box 2110 is placed on the discharging block 219, when an experimental apparatus is needed to be used, the two first limiting blocks 204 are taken out firstly, then the first connecting plate 203 is pulled rightwards, then the first connecting plate 203 is rotated, the first connecting plate 203 is turned over for one hundred eighty degrees, then the first connecting plate 203 is pushed back to the original position, then the first limiting blocks 204 are inserted back, the first connecting plate 203 is fixed, and the experimental apparatus is rotated to the upper side.
The middle three fourth sliders 211 and the gripper blocks 212 are smaller than the two fourth sliders 211 and the gripper blocks 212, and the middle three fourth sliders 211 and the gripper blocks 212 are used for gripping test tubes, so that they are smaller than the two fourth sliders 211 and the gripper blocks 212 used for gripping the beaker. The dust cloth 2111 is made of a waterproof material, and when water drops into the dust cloth 2111, the water does not permeate the dust cloth 2111 and drop to the ground.
The lower segment 213 is inclined to facilitate the flow of the discharged water to the sliding groove 213a.
The specific working steps are as follows:
when the experiment operation needs to be shot, the first rotating rod 108 for shooting the book needs to be rotated anticlockwise by one hundred eighty degrees at a overlook angle, so that the camera 1014 can shoot pictures for doing the experiment; then the first limiting block 204 is pulled out, the first connecting plate 203 is pulled out rightward, the sector block 213 is positioned above the first limiting block, the second clamping block 218 is pulled forward, the first pulling block 215 is not limited by the second clamping block 218 any more, at this time, the first automatic winding box 214 automatically winds the dustproof cloth 2111, the dustproof cloth 2111 is wound along the sliding groove 213a together with the first pulling block 215, as shown in fig. 12, and then the clamped experimental apparatus is taken out to start an experiment; it should be noted that, before an experiment is performed, the second motor 109 may be started to drive the screw 1010 to rotate, and under the limit of the first rotating rod 108 on the first slider 1011, the screw 1010 will drive the first slider 1011 to move up and down, so that the camera 1014 moves up and down to adjust the shooting height, and meanwhile, the camera 1014 may also be twisted to adjust the shooting angle, so that not only is the shooting stable ensured, but also the shooting effect may be enhanced by adjustment;
when an experimental apparatus is needed, the first clamping block 101 is pushed to the right to open the protection plate 102 again, then the cleaned beaker and test tube are placed into the clamping block 212 to be fixed, then the first pulling block 215 is pulled to slide and reset along the sliding groove 213a, so that the dustproof cloth 2111 covers the test tube and the beaker, in the resetting process of the first pulling block 215, the first pulling block 215 is contacted with the second clamping block 218 and pushes the second clamping block 218 to move on the second fixing block 216, the third spring 217 is compressed, then the first pulling block 215 is separated from the second clamping block 218, the third spring 217 is changed from the compressed state to the normal state, and in the converting process of the third spring 217, the second clamping block 218 is driven to move and reset, so that the second clamping block 218 limits the first pulling block 215, and the dustproof cloth 2111 covers the beaker and the test tube, and the dustproof effect is achieved;
then the first connecting plate 203 is rotated for one hundred eighty degrees again, after the first connecting plate 203 is rotated, the beaker and the test tube are in a downward vertical state, and due to the weight of the beaker and the test tube, the clamping block 212 and the fourth sliding block 211 are pulled downwards to move downwards, so that the connecting position of the clamping block 212 and the fourth sliding block 211 is positioned below the first connecting plate 203, and meanwhile, the residual water in the beaker and the test tube can fall onto the dustproof cloth 2111;
the second connecting rod 1013 is then twisted back to the original state, the first motor 105 drives the first connecting rod 106 to rotate back to the original state, the protection plate 102 covers the first connecting rod 106 to prevent dust accumulation of the camera 1014, the second rotating rod 201 is also driven to rotate together while the first connecting rod 106 rotates, so that the first connecting plate 203 rotates back to the original state, as shown in fig. 8, the clamping block 212 is driven to rotate along with the downward rotation of the first connecting plate 203, the beaker and the test tube are fixed in an inclined downward state due to downward force of the beaker and the test tube, and the water inside the beaker and the test tube can be ensured to drop onto the dustproof cloth 2111 and the fan-shaped block 213, and the dropped water can drop into the first collecting box 2110 along the water outlet groove 213 b.
It is to be understood that the above description is intended to be illustrative only and is not intended to be limiting. Those skilled in the art will appreciate variations of the present invention that are intended to be included within the scope of the claims herein.
Claims (10)
1. A dustproof multimedia intelligent platform for teaching comprises a support column (1), a storage platform (2), a third fixed block (301) and a push rod (302); the support column (1) is fixedly connected with a storage table (2); the rear part of the support column (1) is fixedly connected with a third fixed block (301); the third fixed block (301) is fixedly connected with two push rods (302); the method is characterized in that: the device also comprises a second connecting plate (303), an air injection plate (304), an observation block (305), an air suction plate (306), a flow guide block (307), a placing plate (308), a second collecting box (309), a protection system and a shooting system; the contraction parts of the two push rods (302) are fixedly connected with a second connecting plate (303); the second connecting plate (303) is fixedly connected with an air injection plate (304), a plurality of air injection ports (304 a) are arranged on the front side of the air injection plate (304), and the openings of the air injection ports (304 a) face downwards; an observation block (305) is fixedly connected to the inner side of the second connecting plate (303); the front part of the object placing table (2) is fixedly connected with an air suction plate (306), the air suction plate (306) is provided with a plurality of air suction openings (306 a), and the openings of the air suction openings (306 a) incline upwards; the lower part of the air suction plate (306) is fixedly connected with a guide block (307), and the guide block (307) is positioned under the collecting area; a placing plate (308) is fixedly connected to the front part of the support column (1), and the placing plate (308) is positioned below the air suction plate (306); the lower side of the placement plate (308) is detachably connected with a second collection box (309); the object placing table (2) is connected with a protection system for preventing the object placing table (2) from being damaged by chemical experiments; the object placing table (2) is connected with a shooting system for adjusting shooting height.
2. The dustproof intelligent teaching platform according to claim 1, wherein: the air inlets (306 a) on two sides are inclined towards the middle position, and the air outlets (304 a) on two sides are inclined towards the middle position.
3. The dustproof intelligent teaching platform according to claim 1, wherein: the protection system comprises a second automatic winding box (311), a second pull block (312), a second limiting block (313) and protection cloth (314); a second automatic winding box (311) is fixedly connected to the left side of the object placing table (2); the second automatic winding box (311) is internally wound with protective cloth (314); one end of the protective cloth (314) is fixedly connected with a second pull block (312); two second limiting blocks (313) are fixedly connected to the right part of the upper side of the object placing table (2).
4. A dustproof intelligent teaching platform according to claim 3, characterized in that: the shooting system comprises a first clamping block (101), a protection plate (102), a torsion spring (103), a stop block (104), a first motor (105), a first connecting rod (106), a first gear (107), a first rotating rod (108), a second motor (109), a screw rod (1010), a first sliding block (1011), a fixed rod (1012), a second connecting rod (1013), a camera (1014) and a book placing assembly; the rear part of the upper side of the object placing table (2) is connected with a first clamping block (101) in a sliding way; the object placing table (2) is connected with a protection plate (102) in a sliding way; two torsion springs (103) are fixedly connected to the right part of the object placing table (2); the right part of the object placing table (2) is rotationally connected with a stop block (104), two torsion springs (103) are respectively positioned on the outer annular surfaces at two ends of the stop block (104), and the torsion springs (103) are fixedly connected with the stop block (104); the upper part of the object placing table (2) is provided with a first motor (105); the upper part of the object placing table (2) is rotatably connected with a first connecting rod (106); the first connecting rod (106) is fixedly connected with the output shaft of the first motor (105); the first connecting rod (106) is fixedly connected with a first gear (107); the left part of the first connecting rod (106) is rotatably connected with a first rotating rod (108); the first rotating rod (108) is provided with a second motor (109); a screw rod (1010) is rotationally connected to the first rotating rod (108); the screw rod (1010) is fixedly connected with an output shaft of the second motor (109); the screw rod (1010) is screwed with a first sliding block (1011); the first sliding block (1011) is in sliding connection with the first rotating rod (108); the first sliding block (1011) is fixedly connected with a fixed rod (1012); the fixed rod (1012) is rotatably connected with a second connecting rod (1013); the second connecting rod (1013) is rotatably connected with a camera (1014); the left part of the object placing table (2) is connected with a book placing component for enhancing the book projection effect.
5. The dustproof intelligent teaching platform according to claim 4, wherein: the book placing assembly comprises a second rotating rod (201), a second gear (202), a first connecting plate (203), a first limiting block (204), a second sliding block (205), a first spring (206), a book placing block (207), a first fixing block (208), a third sliding block (209), a second spring (2010), a book clamping block (2011) and a storage assembly; the upper part of the inner side of the object placing table (2) is rotationally connected with a second rotating rod (201); the second rotating rod (201) is positioned on the right side of the first connecting rod (106); the second rotating rod (201) is fixedly connected with a second gear (202); the second gear (202) is meshed with the first gear (107); a first connecting plate (203) is movably inserted at the lower side of the second rotating rod (201), and two first limiting blocks (204) which are symmetrically distributed in the front-back direction are movably inserted at the upper part of the right side of the second rotating rod (201); the right side of the first connecting plate (203) is connected with a second sliding block (205) in a sliding way; a plurality of first springs (206) which are distributed in a rectangular shape are fixedly connected on the upper side and the lower side of the second sliding block (205); the first spring (206) below is fixedly connected with a book placing block (207); the first spring (206) above is fixedly connected with another book placing block (207); the right front part and the right rear part of the second sliding block (205) are fixedly connected with a first fixed block (208) respectively; each first fixed block (208) is connected with a third sliding block (209) in a sliding way; each third sliding block (209) is fixedly connected with two second springs (2010); each second spring (2010) is fixedly connected with a book clamping block (2011), and the book clamping blocks (2011) are in sliding connection with the third sliding blocks (209); the two book clamping blocks (2011) on the same side move oppositely through a second spring (2010); the left side of the first connecting plate (203) is connected with a storage component for preventing the experimental apparatus from depositing ash.
6. The dustproof intelligent teaching platform according to claim 5, wherein: the left half of the second slider (205) is larger than the right half.
7. The dustproof intelligent teaching platform according to claim 5, wherein: the discharging assembly comprises a fourth sliding block (211), a clamping block (212), a sector block (213), a first automatic winding box (214), a first pulling block (215), a second fixing block (216), a third spring (217), a second clamping block (218), a discharging block (219), a first collecting box (2110) and dustproof cloth (2111); a plurality of fourth sliding blocks (211) are movably inserted on the left side of the first connecting plate (203), and the fourth sliding blocks (211) are distributed in a square shape; each fourth sliding block (211) is rotationally connected with a clamping block (212) for clamping and fixing the beaker; the upper left side part and the lower left side part of the first connecting plate (203) are fixedly connected with a sector block (213) respectively; the opposite sides of the two sector blocks (213) are provided with sliding grooves (213 a); the lower sector block (213) is provided with a water outlet groove (213 b); the front part of the left side of the first connecting plate (203) is fixedly connected with a first automatic winding box (214); the first automatic winding box (214) is fixedly connected with a dustproof cloth (2111) for preventing dust accumulation of the experimental apparatus and water drops of the experimental apparatus from falling to the ground; the dustproof cloth (2111) is fixedly connected with a first pull block (215); the two sliding grooves (213 a) are connected with a first pull block (215) in a sliding way; the rear parts of the two sector blocks (213) are fixedly connected with a second fixed block (216) respectively; two third springs (217) are fixedly connected to the two second fixing blocks (216) respectively; two third springs (217) on the same side are fixedly connected with a second clamping block (218), and the second clamping block (218) is in sliding connection with the second fixing block (216); the lower part of the right side of the support column (1) is fixedly connected with a discharging block (219); a first collection box (2110) is arranged on the discharging block (219).
8. The dustproof intelligent teaching platform according to claim 7, wherein: the middle three fourth sliding blocks (211) and the clamping blocks (212) are smaller than the fourth sliding blocks (211) and the clamping blocks (212) on two sides.
9. The dustproof intelligent teaching platform according to claim 7, wherein: the dust cloth (2111) is made of waterproof material.
10. The dustproof intelligent teaching platform according to claim 7, wherein: the lower sector (213) is inclined.
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