CN113545600B

CN113545600B - Dustproof intelligent platform for intelligent education

Info

Publication number: CN113545600B
Application number: CN202110865991.XA
Authority: CN
Inventors: 祁刚
Original assignee: Jiangsu Fangzhou Teaching Equipment Co ltd
Current assignee: Jiangsu Fangzhou Teaching Equipment Co ltd
Priority date: 2021-07-29
Filing date: 2021-07-29
Publication date: 2022-07-29
Anticipated expiration: 2041-07-29
Also published as: CN113545600A

Abstract

The invention discloses a dustproof intelligent platform for intelligent education, and relates to the technical field of intelligent platforms. This intelligent podium is used in education of dust protected wisdom, including the podium body, the top of podium body is rotated and is connected with dustproof apron, the side fixedly connected with connecting seat of podium body, the fixed axle surface at connecting seat inner wall fixed connection is cup jointed in the activity of dustproof apron. According to the invention, by arranging the dustproof cover plate, the square cover, the bottom plate and the telescopic seat, dust can be blocked by covering the dustproof cover plate on the platform body, the telescopic seat can be pulled out from the square cover, and the display can be operated to perform teaching by sitting on the front plate, so that the effects of effectively preventing dust from being accumulated on the desktop of the platform body and being capable of performing teaching by sitting are achieved, leg discomfort and waist discomfort of a teacher are effectively prevented, the teaching process of the teacher is lighter, the influence of leg discomfort and waist discomfort on the teaching of the teacher is greatly reduced, and the teaching quality is improved.

Description

Dustproof intelligent platform for intelligent education

Technical Field

The invention relates to the technical field of intelligent podium, in particular to a dustproof intelligent podium for intelligent education.

Background

The intelligent education is characterized by being digital, networked, intelligent and multimedia, the education modernization is promoted by the education informatization, the traditional education mode is changed by the information technology, the intelligent platform is commonly used for teaching in the intelligent education, the intelligent platform is a product integrating the platform and electronic products such as a computer, a multimedia control system, a video display stand and audio equipment, a display is installed on the desktop of the intelligent platform, the angle of the display can be adjusted according to the self operation of a user, the display content is controlled by touching the display, and the multimedia teaching is realized.

Among the prior art, present common wisdom is wisdom podium for education when using, and the wisdom podium is in the use, when cleaning the teaching content who writes on the blackboard, cleans the dust of in-process and piles up easily on the desktop of wisdom podium, influences the normal use of wisdom podium, and the teacher often stands simultaneously and teaches at the display of wisdom podium position operation wisdom podium, stands for a long time and causes the discomfort of teacher's shank and waist easily.

Disclosure of Invention

Technical problem to be solved

Aiming at the defects of the prior art, the invention provides a dustproof intelligent platform for intelligent education, and solves the problems that in the prior art, when the existing common intelligent platform for intelligent education is used, dust generated in the process of cleaning a blackboard is easily accumulated on the desktop of the intelligent platform to influence the normal use of the intelligent platform, and meanwhile, a teacher often stands at the position of the intelligent platform to operate a display of the intelligent platform for teaching, so that the legs and the waist of the teacher are easily uncomfortable after standing for a long time.

(II) technical scheme

In order to achieve the purpose, the invention is realized by the following technical scheme: a dustproof intelligent platform for intelligent education comprises a platform body, wherein the top of the platform body is rotatably connected with a dustproof cover plate, the side surface of the platform body is fixedly connected with a connecting seat, the dustproof cover plate is movably sleeved on the surface of a fixed shaft fixedly connected with the inner wall of the connecting seat, the top of the dustproof cover plate is fixedly connected with a first handle, the bottom of the platform body is provided with a bottom plate, the bottom of the bottom plate is fixedly provided with universal wheels, the top of the bottom plate is fixedly connected with a square cover, the surface of the square cover is movably connected with the inner wall of the platform body, the inner wall of the square cover is slidably connected with a telescopic seat through a sliding mechanism, the top of the bottom plate is provided with a guide mechanism, the interior of the platform body is fixedly connected with a hydraulic oil cylinder, and a piston rod of the hydraulic oil cylinder penetrates through the platform body and is fixedly connected with the top of the bottom plate, the top of podium body fixedly connected with control switch.

Furthermore, the holding tank has been seted up at the top of dustproof apron, the diagonal brace has been cup jointed in the pivot surface activity of holding tank inner wall fixed connection, the side fixedly connected with square of podium body.

Furthermore, the telescopic seat comprises a front plate, a rear plate, a round bar and a round groove, wherein the number of the front plate and the rear plate is two, the surfaces of the two front plates and the two rear plates are movably connected with the inner wall of the square cover, support columns are fixedly connected between the two front plates and between the two rear plates, the round bar is fixedly connected with the surface of the front plate, the round groove is arranged at the position of the surface of the rear plate corresponding to the round bar, the surface of the round bar is movably connected with the inner wall of the round groove, a limit rod is fixedly connected with the surface of the round bar, a through groove is arranged on the inner wall of the round groove, the surface of the limit rod is movably connected with the inner wall of the through groove, a magnet block is fixedly connected with the inner wall of the round groove, the end part of the round bar is movably connected with the surface of the magnet block, a vertical plate is fixedly connected with the bottom of the front plate, and the surface of the vertical plate is movably connected with the inner wall of the square cover, the bottom of riser runs through the bottom plate and extends to the below of bottom plate, the bottom of front bezel and back plate all with the top swing joint of backup pad, the bottom of backup pad is fixedly connected with pressure spring and bracing piece respectively, the top fixedly connected with of bottom plate supports the cover, the surface of bracing piece and the inner wall swing joint who supports the cover, the bottom of pressure spring and the top fixed connection who supports the cover.

Furthermore, the sliding mechanism comprises a sliding rail, sliding grooves are formed in the side faces of the front plate and the rear plate, the sliding rail is fixedly connected to the inner wall of the square cover, and the inner wall of the sliding groove is connected with the surface of the sliding rail in a sliding mode.

Further, the bottom fixedly connected with stopper of back plate, the spacing groove has been seted up to the inner wall of square cover, the surface of stopper and the inner wall sliding connection of spacing groove.

Further, guiding mechanism includes uide bushing and guide bar, uide bushing fixed connection is at the inner wall of podium body, guide bar fixed connection is at the top of bottom plate, the top of guide bar run through the podium body and with the inner wall sliding connection of uide bushing.

Furthermore, the surface of the hydraulic oil cylinder is fixedly connected with an inclined rod, and the bottom of the inclined rod is fixedly connected with the bottom of the inner wall of the platform body.

Further, the back of podium body is provided with the crane, the inside fixed mounting of crane has the projecting apparatus, the crane includes square box, square sleeve, square pole, mounting panel and roof, square box fixed connection is on the surface of podium body, square sleeve fixed connection is in the bottom of square box, the square sleeve passes through the fixed surface of connecting block and podium body to be connected, the surface of mounting panel and roof all with the inner wall swing joint of square box, projecting apparatus fixed connection is between mounting panel and roof, the top fixedly connected with second handle of roof, the surface of square pole and the inner wall sliding connection of square sleeve, mounting panel swing joint is at the top of square pole, the surface of square pole is provided with ends a position mechanism.

Further, end a position mechanism and include rack, square groove, tooth's socket and spring, the surface at the square pole is seted up to the square groove, the inner wall of square groove and the surperficial swing joint of rack, the both ends of spring respectively with the side of rack and the side fixed connection of square groove inner wall, the inner wall at the square sleeve is seted up to the tooth's socket, rack and tooth's socket meshing, the round hole has been seted up to the inner wall of square groove, the side fixedly connected with guide post of rack, the surface of guide post and the inner wall swing joint of round hole.

Further, the opening has been seted up at the top of square bar, the bottom fixedly connected with movable block of mounting panel, the surface of movable block rotates with the inner wall of opening to be connected, the inner wall fixedly connected with circle axle of opening, the axle slot has been seted up on the surface of movable block, the inner wall of axle slot rotates with the surface of circle axle to be connected, the surperficial threaded connection of square bar has the bolt, the tip fixedly connected with fixture block of bolt, the surface of circle axle is seted up flutedly, the surface of fixture block and the inner wall swing joint of recess, the draw-in groove has been seted up to the inner wall of axle slot, the inner wall of draw-in groove and the surface swing joint of fixture block.

(III) advantageous effects

The invention has the following beneficial effects:

(1) the dustproof intelligent platform for intelligent education is provided with the dustproof cover plate, the square cover, the bottom plate and the telescopic seat, when the dustproof intelligent platform is used, the dustproof cover plate can be covered at the top position of the platform body when a blackboard is wiped, the dustproof cover plate blocks dust, the dust is prevented from being accumulated on the desktop of the platform body, the square cover is fixed on the bottom plate, the telescopic seat is positioned in the square cover, the telescopic seat is pulled out of the square cover by pulling the telescopic seat, the front plate is continuously pulled after the telescopic seat is pulled out to separate the front plate from the rear plate, the length of the telescopic seat is prolonged, the user can sit at the position of the front plate to perform teaching without standing to operate a display for teaching, the dust can be blocked by covering the dustproof cover plate on the platform body, the telescopic seat is pulled out of the square cover, the display can be operated on the front plate to perform teaching, the effect of effectively preventing dust from being accumulated on the desktop of the platform body and being capable of sitting to perform teaching is achieved, effectively prevent teacher's shank and waist discomfort, make teacher's teaching process lighter, greatly reduced shank and waist are unsuitable to the influence of teacher's teaching, thereby improve the teaching quality, in the prior art is solved, present common wisdom is educated with the wisdom podium when using, clean the dust of blackboard in-process and pile up easily on the desktop of wisdom podium, influence wisdom podium normal use, the teacher often stands to teach at the display of wisdom podium position operation wisdom podium simultaneously, stand for a long time and cause the uncomfortable problem of teacher's shank and waist easily.

(2) This intelligent podium is used in education of dust protected wisdom, through setting up square and bracing piece, when using, the apron that will prevent dust is opened during the teaching, can be according to the user demand after opening, support the bottom of bracing piece at square top position, can be in the horizontality with the apron that prevents dust, can place teaching articles for use such as teaching material and deposit on the apron that prevents dust, increase the area of desktop on the podium body, can deposit more teaching articles for use, still can pack up the bracing piece, can make the apron that prevents dust be in vertical state, rotate the side of podium body to the apron that prevents dust, reduce the area occupied of the apron that prevents dust.

(3) This intelligent podium is used in dust protected wisdom education, through setting up hydraulic cylinder and guiding mechanism, when using, press control switch's rising button, hydraulic cylinder's piston rod extension, the piston rod supports the bottom plate and forms reaction force and make the podium body rise, increase the height of podium body, still can press control switch's decline button, hydraulic cylinder's piston rod shortens and makes the podium body descend, reduce the height of podium body, the surperficial motion of the uide bushing along the guide bar that drives guiding mechanism when the podium body moves, uide bushing and guide bar lead the podium body, make the podium body be in vertical motion state all the time, through highly adjusting the podium body, adapt to different teacher's height, it is more convenient to use.

(4) This intelligent podium is used in dust protected wisdom education, through setting up projecting apparatus and crane, when using, the projecting apparatus is installed in the crane, when needing to use the projecting apparatus, the second handle of upwards pulling crane pulls out the projecting apparatus from the crane, pull out to suitable high back, the rack of ending the position mechanism blocks the square bar and can live the high fixed of projecting apparatus, it makes fixture block and draw-in groove separation to rotate the bolt again, rotate the angle that the projecting apparatus adjusted the projecting apparatus, adjust to can with the bolt tightening after the suitable angle, can use the projecting apparatus to teach after fixing the height and the angle of projecting apparatus, can rotate the projecting apparatus to initial condition after need not to use, press down the projecting apparatus and make the projecting apparatus shrink to the square box of crane, protect the projecting apparatus.

(5) This intelligent podium is used in education of dust protected wisdom, through setting up the universal wheel, when using, the bottom position at the bottom plate is installed to the universal wheel, pick up the brake pedal on the universal wheel, the podium body is removed to the accessible universal wheel, the ground of this below of the podium body is cleared up, promote the podium body to initial position again after the clearance is accomplished, the brake pedal who steps on the universal wheel can prevent that the podium body from removing at will, podium body accessible universal wheel removes, the ground of convenience below the podium body is cleared up.

Of course, it is not necessary for any product in which the invention is practiced to achieve all of the above-described advantages at the same time.

Drawings

FIG. 1 is a schematic view of the overall structure of the present invention;

FIG. 2 is a front sectional view of the dust cover of the present invention;

FIG. 3 is a left sectional view of the front plate of the present invention;

FIG. 4 is a left sectional view of the square box of the present invention;

FIG. 5 is an overall structure of the crane of the present invention;

FIG. 6 is a front cross-sectional view of the movable block of the present invention;

FIG. 7 is a top cross-sectional view of the present invention taken at the location of the round bar;

FIG. 8 is a front cross-sectional view of the guide bar of the present invention in position;

FIG. 9 is a schematic view of the dust cover of the present invention in an unfolded state;

FIG. 10 is a front cross-sectional view of the support plate of the present invention in position.

In the figure, 1, a platform body; 2. a dust-proof cover plate; 3. a connecting seat; 4. a first handle; 5. a base plate; 6. a universal wheel; 7. a square cover; 8. a sliding mechanism; 801. a slide rail; 802. a chute; 9. a retractable seat; 901. a front plate; 902. a back plate; 903. a round bar; 904. a circular groove; 905. a support pillar; 906. a limiting rod; 907. a through groove; 908. a magnet block; 10. a guide mechanism; 1001. a guide sleeve; 1002. a guide bar; 11. a hydraulic cylinder; 12. a control switch; 13. accommodating grooves; 14. a diagonal brace; 15. a square block; 16. a limiting block; 17. a limiting groove; 18. a vertical plate; 19. a lifting frame; 1901. a square box; 1902. a square sleeve; 1903. a square bar; 1904. mounting a plate; 1905. a top plate; 1906. a second handle; 20. a projector; 21. a stop mechanism; 2101. a rack; 2102. a square groove; 2103. a tooth socket; 2104. a spring; 2105. a circular hole; 2106. a guide post; 22. opening the gap; 23. a movable block; 24. a circular shaft; 25. a shaft groove; 26. a bolt; 27. a groove; 28. a clamping block; 29. a card slot; 30. a diagonal bar; 31. a support plate; 32. a pressure spring; 33. a support bar; 34. and a support sleeve.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

In the description of the present invention, it is to be understood that the terms "opening," "upper," "lower," "thickness," "top," "middle," "length," "inner," "peripheral," and the like are used in an orientation or positional relationship that is merely for convenience in describing and simplifying the description, and do not indicate or imply that the referenced component or element must have a particular orientation, be constructed and operated in a particular orientation, and thus should not be considered as limiting the present invention.

Referring to fig. 1 to 10, an embodiment of the present invention provides a technical solution: a dustproof intelligent platform for intelligent education comprises a platform body 1, wherein the top of the platform body 1 is rotatably connected with two dustproof cover plates 2, the side surfaces of the platform body 1 are fixedly connected with connecting seats 3, the dustproof cover plates 2 are movably sleeved on the surfaces of fixed shafts fixedly connected with the inner walls of the connecting seats 3, the dustproof cover plates 2 rotate by taking the fixed shafts as shafts when rotating, the top of each dustproof cover plate 2 is fixedly connected with a first handle 4, the first handle 4 is held to conveniently rotate the dustproof cover plates 2, the bottom of the platform body 1 is provided with a bottom plate 5, the bottom plate 5 is positioned below the platform body 1, universal wheels 6 are fixedly arranged at the bottom of the bottom plate 5, the number of the universal wheels 6 is four, the four universal wheels 6 are respectively positioned at four corner positions at the bottom of the bottom plate 5, the top of the bottom plate 5 is fixedly connected with a square cover 7, the surfaces of the square covers 7 are movably connected with the inner wall of the platform body 1, the inner wall of square cover 7 has telescopic seat 9 through 8 sliding connection of slide mechanism, telescopic seat 9 is located the inside of square cover 7, the top of bottom plate 5 is provided with guiding mechanism 10, the inside fixedly connected with hydraulic cylinder 11 of podium body 1, height through hydraulic cylinder 11 adjustable podium body 1, adapt to different teachers 'height, guiding mechanism 10's quantity is four, be located four corner positions of podium body 1 bottom respectively, be used for leading when moving podium body 1, hydraulic cylinder 11's piston rod run through podium body 1 and with bottom plate 5's top fixed connection, the top fixedly connected with control switch 12 of podium body 1.

Specifically, the top of the dustproof cover plate 2 is provided with a holding groove 13, an inclined stay bar 14 is movably sleeved on the surface of a rotating shaft fixedly connected with the inner wall of the holding groove 13, and a square 15 is fixedly connected with the side surface of the platform body 1.

In this embodiment, holding tank 13 is used for holding diagonal brace 14, the pivot is the rotation of axle when diagonal brace 14 rotates, open dustproof cover 2 during teaching, can be according to the user demand after opening, support the bottom of diagonal brace 14 at square 15 top position, can be in the horizontality with dustproof cover 2, can place teaching articles for use such as teaching materials on dustproof cover 2 and deposit, increase the area of desktop on podium body 1, can deposit more teaching articles for use, still can pack up diagonal brace 14, can make dustproof cover 2 be in vertical state, rotate dustproof cover 2 to the side of podium body 1, reduce the area occupied of dustproof cover 2.

Specifically, the retractable seat 9 comprises two front plates 901, two rear plates 902, a round rod 903 and a round groove 904, the number of the front plates 901 and the number of the rear plates 902 are two, the surfaces of the two front plates 901 and the two rear plates 902 are movably connected with the inner wall of the square cover 7, supporting columns 905 are fixedly connected between the two front plates 901 and the two rear plates 902, the round rod 903 is fixedly connected with the surface of the front plate 901, the round groove 904 is arranged at the position on the surface of the rear plate 902 corresponding to the round rod 903, the surface of the round rod 903 is movably connected with the inner wall of the round groove 904, the surface of the round rod 903 is fixedly connected with a limiting rod 906, the inner wall of the round groove 904 is provided with a through groove 907, the surface of the limiting rod 906 is movably connected with the inner wall of the through groove 907, the inner wall of the round groove 904 is fixedly connected with a magnet block 908, the end of the round rod 903 is movably connected with the surface of the magnet block 908, the bottom of the front plate 901 is fixedly connected with a vertical plate 18, the surface of the vertical plate 18 is movably connected with the inner wall of the square cover 7, the bottom of riser 18 runs through bottom plate 5 and extends to the below of bottom plate 5, and the bottom of front bezel 901 and back plate 902 all with the top swing joint of backup pad 31, and fixedly connected with pressure spring 32 and bracing piece 33 respectively are fixed in the bottom of backup pad 31, and the top fixedly connected with of bottom plate 5 supports cover 34, the surface of bracing piece 33 and the inner wall swing joint who supports cover 34, the bottom of pressure spring 32 and the top fixed connection who supports cover 34.

In this embodiment, the retractable seat 9 is mainly composed of two front plates 901, two rear plates 902 and four round rods 903, the number of the round rods 903 on the same front plate 901 is two, the two round rods 903 are fixed on the rear side of the front plate 901, the round rods 903 are adsorbed in the round slots 904 under the magnetic force of the magnet 908, the front plate 901 and the rear plate 902 are integrated, when the retractable seat 9 is pulled, the front plate 901 and the rear plate 902 both extend out of the square cover 7, when the limiting block 16 is attached to the front side of the inner wall of the limiting slot 17, the rear plate 902 is blocked, at this time, the front plate 901 can be pulled continuously, the front plate 901 drives the round rods 903 to separate from the magnet 908, when the limiting rod 906 is attached to the front side of the inner wall of the through slot 907, the distance between the front plate 901 and the rear plate 902 is the largest, so as to increase the length of the retractable seat 9, thereby facilitating teachers to sit on the front plate 901 for teaching, and when the teachers sit on the front plate 901, the front plate 901 moves downwards to press the support plate 31, so that the support plate 31 presses the compression spring 32 and drives the support rod 33 to move downwards along the inner wall of the support sleeve 34, the front plate 901 simultaneously drives the vertical plate 18 to move downwards, when the support rod 33 is attached to the top of the bottom plate 5, the bottom of the vertical plate 18 is attached to the ground, the telescopic seat 9 is supported by the vertical plate 18 and the support rod 33, the stability of the telescopic seat 9 is improved, when the telescopic seat 9 is not needed, the telescopic seat 9 moves upwards under the elastic action of the compression spring 32, the bottom of the inner wall of the sliding groove 802 is attached to the bottom of the sliding rail 801, the vertical plate 18 moves upwards to be separated from the ground, the front plate 901 is pushed to contract the front plate 901 and the rear plate 902 into the square cover 7, the magnet block 908 adsorbs the round rod 903, and the front plate 901 is prevented from moving randomly.

Specifically, the sliding mechanism 8 includes a sliding rail 801, sliding grooves 802 are formed in the side surfaces of the front plate 901 and the rear plate 902, the sliding rail 801 is fixedly connected to the inner wall of the square cover 7, and the inner wall of the sliding groove 802 is slidably connected to the surface of the sliding rail 801.

In this embodiment, the sliding chute 802 is driven to move along the surface of the sliding rail 801 when the retractable seat 9 moves, and the sliding rail 801 guides the retractable seat 9, so that the movement of the retractable seat 9 is smoother.

Specifically, the bottom of back plate 902 is fixedly connected with stopper 16, and spacing groove 17 has been seted up to the inner wall of square cover 7, stopper 16's surface and the inner wall sliding connection of spacing groove 17.

In this embodiment, the telescopic seat 9 moves to drive the limiting block 16 to move along the inner wall of the limiting groove 17, and after the limiting block 16 is attached to the front side face of the inner wall of the limiting groove 17, the rear plate 902 is clamped, so that the front plate 901 can be continuously pulled at the moment, the distance between the front plate 901 and the rear plate 902 is increased, the length of the telescopic seat 9 is increased, and a teacher can conveniently sit on the front plate 901 for teaching.

Specifically, guide mechanism 10 includes uide bushing 1001 and guide bar 1002, and uide bushing 1001 is fixed connection at the inner wall of podium body 1, and guide bar 1002 is fixed connection at the top of bottom plate 5, and the top of guide bar 1002 runs through podium body 1 and with the inner wall sliding connection of uide bushing 1001.

In this embodiment, when the platform body 1 moves, the guide sleeve 1001 driving the guide mechanism 10 moves along the surface of the guide rod 1002, and the guide sleeve 1001 and the guide rod 1002 guide the platform body 1, so that the platform body 1 is always in a vertical movement state.

Specifically, the surface of the hydraulic cylinder 11 is fixedly connected with an inclined rod 30, and the bottom of the inclined rod 30 is fixedly connected with the bottom of the inner wall of the platform body 1.

In this embodiment, the inclined rod 30 increases the contact area between the hydraulic oil cylinder 11 and the platform body 1, so that the hydraulic oil cylinder 11 is fixed more stably and firmly.

Specifically, the back of podium body 1 is provided with crane 19, crane 19's inside fixed mounting has projector 20, crane 19 includes square box 1901, square sleeve 1902, square bar 1903, mounting panel 1904 and roof 1905, square box 1901 fixed connection is on the surface of podium body 1, square sleeve 1902 fixed connection is in the bottom of square box 1901, square sleeve 1902 passes through the fixed surface connection of connecting block with podium body 1, the surface of mounting panel 1904 and roof 1905 all with the inner wall swing joint of square box 1901, projector 20 fixed connection is between mounting panel 1904 and roof 1905, the top fixedly connected with second handle 1906 of roof 1905, the surface of square bar 1903 and the inner wall sliding connection of square sleeve 1902, mounting panel 1904 swing joint is at the top of square bar 1903, the surface of square bar 1903 is provided with end mechanism 21.

In this embodiment, the projector 20 is installed in the crane 19, when the projector 20 needs to be used, the second handle 1906 of the crane 19 is pulled up to pull the projector 20 out of the crane 19, after the projector 20 is pulled out to a proper height, the rack 2101 of the stop mechanism 21 clamps the square rod 1903 to fix the height of the projector 20, the bolt 26 is rotated to separate the clamping block 28 from the clamping groove 29, the projector 20 is rotated to adjust the angle of the projector 20, the bolt 26 is screwed after the proper angle is adjusted, the projector 20 can be used for teaching after the height and the angle of the projector 20 are fixed, the projector 20 is not required to be rotated to an initial state, the projector 20 is pressed downwards to enable the projector 20 to be retracted into the square box 1901 of the crane 19, and the projector 20 is protected.

Specifically, the stop mechanism 21 comprises a rack 2101, a square groove 2102, a toothed groove 2103 and a spring 2104, wherein the square groove 2102 is arranged on the surface of a square rod 1903, the inner wall of the square groove 2102 is movably connected with the surface of the rack 2101, two ends of the spring 2104 are respectively fixedly connected with the side surface of the rack 2101 and the side surface of the inner wall of the square groove 2102, the toothed groove 2103 is arranged on the inner wall of the square sleeve 1902, the rack 2101 is meshed with the toothed groove 2103, a round hole 2105 is arranged on the inner wall of the square groove 2102, a guide post 2106 is fixedly connected with the side surface of the rack 2101, and the surface of the guide post 2106 is movably connected with the inner wall of the round hole 2105.

In this embodiment, when the square bar 1903 moves along the inner wall of the square sleeve 1902, the inclined surface of the toothed groove 2103 presses the rack 2101, so that the rack 2101 presses the spring 2104, after the projector 20 moves to a proper height, the rack 2101 is meshed with the toothed groove 2103 under the elastic force of the spring 2104, the square bar 1903 is clamped, that is, the height of the projector 20 can be fixed, the rack 2101 drives the guide post 2106 to move along the inner wall of the round hole 2105 when moving, and the guide post 2106 plays a role in guiding the rack 2101, so that the movement of the rack 2101 is smoother.

Specifically, opening 22 has been seted up at square bar 1903's top, mounting panel 1904's bottom fixedly connected with movable block 23, the surface of movable block 23 rotates with opening 22's inner wall to be connected, opening 22's inner wall fixedly connected with circle axle 24, axle slot 25 has been seted up on the surface of movable block 23, the inner wall of axle slot 25 rotates with the surface of circle axle 24 to be connected, square bar 1903's surface threaded connection has bolt 26, bolt 26's end fixedly connected with fixture block 28, recess 27 has been seted up on the surface of circle axle 24, the surface of fixture block 28 and the inner wall swing joint of recess 27, draw-in groove 29 has been seted up to the inner wall of axle slot 25, the inner wall of draw-in groove 29 and the surface swing joint of fixture block 28.

In this embodiment, when the projector 20 rotates, the bolt 26 is rotated to make the bolt 26 drive the fixture block 28 to separate from the slot 29, so that the projector 20 can be rotated, and the projector 20 drives the movable block 23 at the bottom of the mounting plate 1904 to rotate around the circular shaft 24, and after the movable block rotates to a proper angle, the bolt 26 is rotated in the opposite direction, so that the bolt 26 drives the fixture block 28 to closely adhere to the inner wall of the slot 29, and the movable block 23 is clamped, so that the angle of the projector 20 can be fixed.

When the blackboard eraser is used (in work), the dustproof cover plate 2 can be turned over when the blackboard eraser is used for wiping the blackboard, the dustproof cover plate 2 rotates by taking a fixed shaft on the inner wall of the connecting seat 3 as a shaft and covers the top position of the platform body 1, the dustproof cover plate 2 blocks dust and prevents the dust from accumulating on a tabletop of the platform body 1, the square cover 7 is fixed on the bottom plate 5, the bottom plate 5 is connected with the platform body 1 through the hydraulic oil cylinder 11, the telescopic seat 9 is positioned in the square cover 7, when the telescopic seat 9 is pulled, the front plate 901 and the rear plate 902 both extend out of the square cover 7, when the limiting block 16 is attached to the front side surface of the inner wall of the limiting groove 17, the rear plate 902 is clamped, at the moment, the front plate 901 can be continuously pulled, the front plate 901 drives the round rod 903 to be separated from the magnet block 908, when the limiting rod 906 is attached to the front side surface of the inner wall of the through groove 907, the distance between the front plate 901 and the rear plate 902 is the largest, the length of the telescopic seat 9 is increased, thereby facilitating teachers to sit on the front board 901 for teaching, after the teachers sit on the front board 901, the front board 901 moves downwards to extrude the support plate 31, the support plate 31 extrudes the pressure spring 32 and drives the support rod 33 to move downwards along the inner wall of the support sleeve 34, the front board 901 simultaneously drives the vertical plate 18 to move downwards, when the support rod 33 is attached to the top of the bottom board 5, the bottom of the vertical plate 18 is attached to the ground, the telescopic seat 9 is supported by the vertical plate 18 and the support rod 33, the stability of the telescopic seat 9 is improved, the teachers do not need to stand to operate the display for teaching, dust can be blocked by covering the dust cover plate 2 on the platform body 1, the telescopic seat 9 is pulled out from the square cover 7, the teacher can sit on the front board 901 to operate the display for teaching, leg and waist discomfort of the teachers can be effectively prevented, the teaching process of the teachers is lighter, the influence of leg and waist discomfort on the teaching of the teachers can be greatly reduced, thereby improving the teaching quality, when the telescopic seat 9 is not needed, the telescopic seat 9 moves upwards under the elastic force of the pressure spring 32, the bottom of the inner wall of the chute 802 is attached to the bottom of the slide rail 801, the vertical plate 18 moves upwards to be separated from the ground, and then the front plate 901 is pushed to retract the front plate 901 and the rear plate 902 into the square cover 7, the dustproof cover plate 2 is opened during teaching, the bottom of the inclined strut 14 is propped against the top of the square 15 according to the use requirement after the dustproof cover plate is opened, the top of the inclined strut 14 is propped against the accommodating groove 13, so that the dustproof cover plate 2 can be in a horizontal state, teaching materials and other teaching articles can be placed on the dustproof cover plate 2 for storage, the area of the desktop on the platform body 1 is increased, more teaching articles can be stored, the inclined strut 14 can be retracted, the dustproof cover plate 2 can be in a vertical state, the dustproof cover plate 2 is rotated to the side face of the platform body 1, the occupied area of the dustproof cover plate 2 is reduced, the rising button of the control switch 12 is pressed, the piston rod of the hydraulic oil cylinder 11 is extended, the piston rod props against the bottom plate 5 to form a reaction force to raise the platform body 1, the height of the platform body 1 is increased, the falling button of the control switch 12 can also be pressed, the piston rod of the hydraulic oil cylinder 11 is shortened to lower the platform body 1, the height of the platform body 1 is reduced, the guide sleeve 1001 of the guide mechanism 10 is driven to move along the surface of the guide rod 1002 when the platform body 1 moves, the guide sleeve and the guide rod 1002 guide the platform body 1, the platform body 1 is always in a vertical movement state, the height of the platform body 1 is adjusted, the platform is suitable for heights of different teachers, the use is more convenient, the universal wheels 6 are installed at the bottom positions of the bottom plate 5, the brake pedals on the universal wheels 6 are lifted, the platform body 1 can be moved through the universal wheels 6, the ground below the platform body 1 is cleaned, the platform body 1 is pushed to an initial position after cleaning is finished, the platform body 1 can be prevented from moving randomly by stepping on a brake pedal of a universal wheel 6, the platform body 1 can move through the universal wheel 6, the ground below the platform body 1 is convenient to clean, when a projector 20 is needed in a teaching process, a second handle 1906 of a lifting frame 19 is pulled upwards to pull the projector 20 out of a square box 1901 of the lifting frame 19, a square rod 1903 moves upwards along with the projector 20, the inner wall of a toothed groove 2103 extrudes a rack 2101, the rack 2101 extrudes a spring 2104, after the rack 2101 is pulled out to a proper height, the rack 2101 is meshed with the toothed groove 2103 under the elastic force of the spring 2104, the height of the projector 20 can be fixed by clamping the square rod 1903, a clamping block 28 is separated from a clamping groove 29 by rotating a bolt 26, the projector 20 is rotated to enable a mounting plate 1904 to drive a movable block 23 to rotate by taking a round shaft 24 as a shaft, adjust the angle of projecting apparatus 20, adjust and screw up bolt 26 behind the suitable angle, make the angle that fixture block 28 and draw-in groove 29 closely laminate and can fix projecting apparatus 20, can use projecting apparatus 20 to teach behind height and the angle fixation of projecting apparatus 20, when need not to use, unscrew bolt 26 and make fixture block 28 and draw-in groove 29 separation, can rotate projecting apparatus 20 to initial condition after, press down projecting apparatus 20 and make projecting apparatus 20 shrink to in crane 19's square box 1901, square bar 1903 moves down along the inner wall of square sleeve 1902, when the bottom of square bar 1903 and the bottom laminating of square sleeve 1902 inner wall, projecting apparatus 20 is located in square box 1901 completely, the top of roof 1905 and the top of square box 1901 are in same horizontal plane, can protect projecting apparatus 20 through crane 19's square box 1901.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.

The preferred embodiments of the invention disclosed above are intended to be illustrative only. The preferred embodiments are not intended to be exhaustive or to limit the invention to the precise embodiments disclosed. Obviously, many modifications and variations are possible in light of the above teaching. The embodiments were chosen and described in order to best explain the principles of the invention and the practical application, to thereby enable others skilled in the art to best utilize the invention. The invention is limited only by the claims and their full scope and equivalents.

Claims

1. The utility model provides a dustproof intelligent podium for education of wisdom, includes podium body (1), its characterized in that: the top of the platform body (1) is rotatably connected with a dustproof cover plate (2), the side face of the platform body (1) is fixedly connected with a connecting seat (3), the dustproof cover plate (2) is movably sleeved on the surface of a fixed shaft fixedly connected with the inner wall of the connecting seat (3), the top of the dustproof cover plate (2) is fixedly connected with a first handle (4), the bottom of the platform body (1) is provided with a bottom plate (5), the bottom of the bottom plate (5) is fixedly provided with universal wheels (6), the top of the bottom plate (5) is fixedly connected with a square cover (7), the surface of the square cover (7) is movably connected with the inner wall of the platform body (1), the inner wall of the square cover (7) is slidably connected with a telescopic seat (9) through a sliding mechanism (8), the top of the bottom plate (5) is provided with a guide mechanism (10), and the inside of the platform body (1) is fixedly connected with a hydraulic oil cylinder (11), a piston rod of the hydraulic oil cylinder (11) penetrates through the platform body (1) and is fixedly connected with the top of the bottom plate (5), and the top of the platform body (1) is fixedly connected with a control switch (12); an accommodating groove (13) is formed in the top of the dustproof cover plate (2), an inclined stay bar (14) is movably sleeved on the surface of a rotating shaft fixedly connected with the inner wall of the accommodating groove (13), and a square block (15) is fixedly connected to the side face of the platform body (1); the telescopic seat (9) comprises two front plates (901), two rear plates (902), a round rod (903) and a round groove (904), the number of the front plates (901) and the number of the rear plates (902) are two, the surfaces of the two front plates (901) and the two rear plates (902) are movably connected with the inner wall of the square cover (7), supporting columns (905) are fixedly connected between the two front plates (901) and between the two rear plates (902), the round rod (903) is fixedly connected with the surface of the front plate (901), the round groove (904) is arranged on the surface of the rear plate (902) corresponding to the position of the round rod (903), the surface of the round rod (903) is movably connected with the inner wall of the round groove (904), a limiting rod (906) is fixedly connected with the surface of the round rod (903), a through groove (907) is arranged on the inner wall of the round groove (904), and the surface of the limiting rod (906) is movably connected with the inner wall of the through groove (907), the inner wall of the circular groove (904) is fixedly connected with a magnet block (908), the end part of the circular rod (903) is movably connected with the surface of the magnet block (908), the bottom of the front plate (901) is fixedly connected with a vertical plate (18), the surface of the vertical plate (18) is movably connected with the inner wall of the square cover (7), the bottom of the vertical plate (18) penetrates through the bottom plate (5) and extends to the lower part of the bottom plate (5), the bottoms of the front plate (901) and the back plate (902) are movably connected with the top of the supporting plate (31), the bottom of the supporting plate (31) is respectively fixedly connected with a pressure spring (32) and a supporting rod (33), the top of the bottom plate (5) is fixedly connected with a supporting sleeve (34), the surface of the supporting rod (33) is movably connected with the inner wall of the supporting sleeve (34), the bottom of the pressure spring (32) is fixedly connected with the top of the support sleeve (34).

2. The intelligent podium of claim 1, wherein: the sliding mechanism (8) comprises a sliding rail (801), sliding grooves (802) are formed in the side faces of the front plate (901) and the rear plate (902), the sliding rail (801) is fixedly connected to the inner wall of the square cover (7), and the inner wall of the sliding groove (802) is connected with the surface of the sliding rail (801) in a sliding mode.

3. The intelligent podium of claim 1, wherein: the bottom fixedly connected with stopper (16) of back plate (902), spacing groove (17) have been seted up to the inner wall of square cover (7), the surface of stopper (16) and the inner wall sliding connection of spacing groove (17).

4. The intelligent podium of claim 1, wherein: guiding mechanism (10) include uide bushing (1001) and guide bar (1002), uide bushing (1001) fixed connection is at the inner wall of podium body (1), guide bar (1002) fixed connection is at the top of bottom plate (5), the top of guide bar (1002) run through podium body (1) and with the inner wall sliding connection of uide bushing (1001).

5. The intelligent podium for dust protected wisdom education of claim 1 characterized in that: the surface of the hydraulic oil cylinder (11) is fixedly connected with an inclined rod (30), and the bottom of the inclined rod (30) is fixedly connected with the bottom of the inner wall of the platform body (1).

6. The intelligent podium of claim 1, wherein: the novel platform comprises a platform body (1), and is characterized in that a lifting frame (19) is arranged on the back of the platform body (1), a projector (20) is fixedly arranged in the lifting frame (19), the lifting frame (19) comprises a square box (1901), a square sleeve (1902), a square rod (1903), a mounting plate (1904) and a top plate (1905), the square box (1901) is fixedly connected to the surface of the platform body (1), the square sleeve (1902) is fixedly connected to the bottom of the square box (1901), the square sleeve (1902) is fixedly connected to the surface of the platform body (1) through a connecting block, the surfaces of the mounting plate (1904) and the top plate (1905) are movably connected to the inner wall of the square box (1901), the projector (20) is fixedly connected between the mounting plate (1904) and the top plate (1905), a second handle (1906) is fixedly connected to the top of the top plate (1905), and the surface of the square rod (1903) is slidably connected to the inner wall of the square sleeve (1902), the mounting plate (1904) is movably connected to the top of the square rod (1903), and a stop mechanism (21) is arranged on the surface of the square rod (1903).

7. The intelligent podium of claim 6, wherein: the stop mechanism (21) comprises a rack (2101), a square groove (2102), a toothed groove (2103) and a spring (2104), wherein the square groove (2102) is formed in the surface of the square rod (1903), the inner wall of the square groove (2102) is movably connected with the surface of the rack (2101), two ends of the spring (2104) are fixedly connected with the side face of the rack (2101) and the side face of the inner wall of the square groove (2102) respectively, the toothed groove (2103) is formed in the inner wall of the square sleeve (1902), the rack (2101) is meshed with the toothed groove (2103), a round hole (2105) is formed in the inner wall of the square groove (2102), a guide post (2106) is fixedly connected to the side face of the rack (2101), and the surface of the guide post (2106) is movably connected with the inner wall of the round hole (2105).

8. The intelligent podium of claim 6, wherein: the top of the square bar (1903) is provided with a gap (22), the bottom of the mounting plate (1904) is fixedly connected with a movable block (23), the surface of the movable block (23) is rotationally connected with the inner wall of the opening (22), the inner wall of the opening (22) is fixedly connected with a round shaft (24), the surface of the movable block (23) is provided with a shaft groove (25), the inner wall of the shaft groove (25) is rotationally connected with the surface of the round shaft (24), the surface of the square rod (1903) is in threaded connection with a bolt (26), the end part of the bolt (26) is fixedly connected with a clamping block (28), a groove (27) is formed in the surface of the circular shaft (24), the surface of the clamping block (28) is movably connected with the inner wall of the groove (27), the inner wall of the shaft groove (25) is provided with a clamping groove (29), and the inner wall of the clamping groove (29) is movably connected with the surface of the clamping block (28).