CN112735203A - Multimedia teaching device suitable for network education - Google Patents
Multimedia teaching device suitable for network education Download PDFInfo
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- CN112735203A CN112735203A CN202110358556.8A CN202110358556A CN112735203A CN 112735203 A CN112735203 A CN 112735203A CN 202110358556 A CN202110358556 A CN 202110358556A CN 112735203 A CN112735203 A CN 112735203A
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- fixedly connected
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- box body
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- G—PHYSICS
- G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
- G09B—EDUCATIONAL OR DEMONSTRATION APPLIANCES; APPLIANCES FOR TEACHING, OR COMMUNICATING WITH, THE BLIND, DEAF OR MUTE; MODELS; PLANETARIA; GLOBES; MAPS; DIAGRAMS
- G09B5/00—Electrically-operated educational appliances
- G09B5/02—Electrically-operated educational appliances with visual presentation of the material to be studied, e.g. using film strip
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- 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
- A47B21/00—Tables or desks for office equipment, e.g. typewriters, keyboards
- A47B21/007—Tables or desks for office equipment, e.g. typewriters, keyboards with under-desk displays, e.g. displays being viewable through a transparent working surface of the table or desk
- A47B21/0073—Tables or desks for office equipment, e.g. typewriters, keyboards with under-desk displays, e.g. displays being viewable through a transparent working surface of the table or desk liftable above the desk top
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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
- A47B21/00—Tables or desks for office equipment, e.g. typewriters, keyboards
- A47B21/02—Tables or desks for office equipment, e.g. typewriters, keyboards with vertical adjustable parts
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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
- A47B21/00—Tables or desks for office equipment, e.g. typewriters, keyboards
- A47B21/03—Tables or desks for office equipment, e.g. typewriters, keyboards with substantially horizontally extensible or adjustable parts other than drawers, e.g. leaves
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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
- A47B21/00—Tables or desks for office equipment, e.g. typewriters, keyboards
- A47B21/04—Tables or desks for office equipment, e.g. typewriters, keyboards characterised by means for holding or fastening typewriters or computer equipment
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- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
- H05K7/00—Constructional details common to different types of electric apparatus
- H05K7/20—Modifications to facilitate cooling, ventilating, or heating
- H05K7/20954—Modifications to facilitate cooling, ventilating, or heating for display panels
- H05K7/20972—Forced ventilation, e.g. on heat dissipaters coupled to components
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- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Computer Hardware Design (AREA)
- General Engineering & Computer Science (AREA)
- Business, Economics & Management (AREA)
- Educational Administration (AREA)
- Educational Technology (AREA)
- General Physics & Mathematics (AREA)
- Theoretical Computer Science (AREA)
- Toys (AREA)
Abstract
The invention discloses a multimedia teaching device suitable for network education, which comprises a box body, a top plate and a placing box, wherein a lifting assembly is arranged at the bottom in the box body, a closed assembly is arranged in a T-shaped cavity on the box body, a clamping assembly is arranged in a first connecting plate, a second connecting plate is arranged on the top surface of a limiting block on the box body, a conductive assembly is arranged in a rectangular cavity on the second connecting plate, a sealing assembly is arranged in a first air outlet on the second connecting plate, a computer host is fixedly installed on the bottom surface in the second installing box, a first installing box is hinged to the top surface of the second installing box, an adjusting assembly is arranged on the bottom surface of the first installing box, and a computer display screen is fixedly; the invention is convenient for jacking the computer display screen or retracting the computer into the box body, thereby avoiding the computer from being exposed in the air; meanwhile, the dust is prevented from being attached to the surface of the computer in the box body, so that the workload of teachers is reduced, and the service life of the computer is prolonged.
Description
Technical Field
The invention relates to the technical field of multimedia teaching devices, in particular to a multimedia teaching device suitable for network education.
Background
The multimedia teaching is that in the teaching process, according to the characteristics of a teaching target and a teaching object, modern teaching media are reasonably selected and applied through teaching design, and are organically combined with the traditional teaching means to jointly participate in the whole teaching process, and various media information acts on students to form a reasonable teaching process structure so as to achieve the optimized teaching effect.
At present, in the multimedia teaching process, a computer is generally placed on a teacher desk used by a teacher, but the computer cannot be protected by the existing teacher desk, a large amount of dust falls on the surface of the computer due to the fact that the computer is not used for a long time, and when the computer needs to be used, the computer needs to be cleaned, so that the workload of the teacher is increased; meanwhile, dust on the surface of the computer may enter the computer, thereby causing damage to electrical components in the computer, and thus reducing the lifespan of the computer.
Disclosure of Invention
The invention aims to solve the defects in the prior art and provides a multimedia teaching device suitable for network education.
In order to achieve the purpose, the invention adopts the following technical scheme:
the multimedia teaching device suitable for network education comprises a box body, a top plate and placing boxes, wherein the top plate is fixedly connected to the middle of the top surface of the box body, the placing boxes are fixedly connected to two sides of the bottom surface of the top plate, each placing box is fixedly connected to two sides of the box body, a first outlet is formed in the middle of the top surface of the box body, a second outlet is formed in the middle of the top surface of the top plate, the first outlet is communicated with the second outlet, a lifting assembly is arranged at the bottom inside the box body, a first supporting rod in the lifting assembly is hinged to the bottom surface of the first connecting plate, T-shaped cavities are formed in the two sides inside the box body, a sealing assembly is arranged in each T-shaped cavity, rectangular openings are formed in the bottom inside each T-shaped cavity, a first connecting plate is connected to the rectangular openings in a sliding mode through rectangular sliders, and first rectangular grooves are symmetrically formed in two sides of the, a clamping assembly is arranged in each first rectangular groove;
the middle parts of two side surfaces in the box body are fixedly connected with limit blocks, each limit block is matched with a first rectangular groove, the top surface of each limit block is provided with a second connecting plate, the bottom surface of the second connecting plate is internally provided with a rectangular cavity, a conductive assembly is arranged in the rectangular cavity, the two sides of the bottom surface of the second connecting plate are symmetrically provided with first air outlets, the two side surfaces in the rectangular cavity are provided with square openings, each square opening is communicated with the first air outlet, a sealing assembly is arranged in each first air outlet, the middle part of the top surface of the second connecting plate is fixedly connected with a second mounting box, the two sides of the bottom surface in the second mounting box are provided with second air outlets, each second air outlet is communicated with the first air outlet, the bottom surface in the second mounting box is fixedly provided with a computer mainframe, and the bottoms of the two side surfaces in the second mounting box are fixedly provided with, a strip-shaped groove is formed in the middle of the top surface of the second installation box, a first installation box is hinged to the front end of the top surface of the second installation box, the first installation box is placed on the top surface of the second installation box, an adjusting assembly is arranged on the bottom surface of the first installation box, and a computer display screen is fixedly installed in the middle of the top surface of the first installation box.
Preferably, lifting unit includes first thread piece, first bracing piece, first lead screw and motor, a side in the box rotates and is connected with first lead screw, the other end activity of first lead screw runs through the another side of box and the output shaft rigid coupling of motor, motor fixed mounting is in the motor case, a side rigid coupling of motor case is on the side of placing the incasement, positive reverse screw has been seted up on the middle part both ends outer wall of first lead screw, threaded connection has first thread piece, every on the both ends outer wall of first lead screw the equal sliding connection in bottom surface of first thread piece is on the bottom surface in the box, every the top surface of first thread piece all articulates there is first bracing piece.
Preferably, the sealing assembly comprises a cover plate, a second bar-shaped toothed plate, a belt, a third bar-shaped toothed plate, a first belt pulley, a third gear, a second belt pulley and a second gear, the bottom of the T-shaped cavity is rotatably connected with a first short shaft, a third gear is fixedly connected to the outer wall of the first short shaft, a first belt pulley is fixedly connected to the outer wall of the first short shaft of one side face of the third gear, the top of the T-shaped cavity is rotatably connected with a second short shaft, a second gear is fixedly connected to the outer wall of the second short shaft, a second belt pulley is fixedly connected to the outer wall of the first short shaft of one side face of the second gear, the second belt pulley is connected with the first belt pulley through the belt, a third bar-shaped toothed plate is fixedly connected to one side face of the rectangular sliding block, the third bar-shaped toothed plate is in meshing transmission with the third gear, and the rear end face of the T-shaped cavity is slidably connected with the second bar, and the second bar-shaped toothed plate is in meshing transmission with the second gear, a cover plate is fixedly connected to one side face of the second bar-shaped toothed plate, and the other end of the cover plate movably penetrates through the T-shaped cavity.
Preferably, the centre gripping subassembly includes head rod, dead lever and fixed plate, the first rectangular channel internal rotation is connected with the head rod, the other end rotation of head rod is connected with the dead lever, just dead lever one end is the arc form, the mounting groove has been seted up to the top surface of second connecting plate, the middle part of dead lever is rotated and is connected in the mounting groove, the other end rigid coupling of dead lever has the fixed plate, a side rigid coupling of fixed plate has the rubber pad.
Preferably, electrically conductive subassembly includes reset spring, current conducting plate, connects electric contact and battery, rectangle intracavity fixed mounting has the battery, the equal rigid coupling in both ends of battery has connects the electric contact, both sides in the rectangle intracavity are rotated and are connected with the current conducting plate, every the equal rigid coupling in a side of current conducting plate has reset spring, every the equal rigid coupling of the other end of reset spring is on a side of rectangle intracavity.
Preferably, the seal assembly comprises a baffle and a second connecting rod, a second rectangular groove is formed in one side face of the first air outlet, the baffle penetrates through the bottom of the rectangular cavity in a movable mode, the other end of the baffle is connected in the second rectangular groove in a sliding mode, the bottom face of the baffle is hinged to the second connecting rod, and the other end of the second connecting rod is hinged to the top face of the first connecting rod.
Preferably, the adjusting assembly comprises a first bevel gear, a second support rod, a first strip-shaped toothed plate, a connecting shaft, a first gear, a multi-section telescopic rod, a second lead screw, a second threaded block and a positioning plate, the connecting shaft is movably penetrated through the top of the second installation box, the first gear is fixedly connected to two ends of the connecting shaft respectively, the first strip-shaped toothed plate is symmetrically and fixedly connected to the top surface in the box body, each first strip-shaped toothed plate is in meshing transmission with the first gear respectively, the second bevel gear is symmetrically and fixedly connected to the outer wall of the connecting shaft in the second installation box, the second lead screw is rotatably connected to the rear end surface of the second installation box symmetrically, the other end of each second lead screw movably penetrates through the positioning plate and is fixedly connected to the first bevel gear, each first bevel gear is in meshing transmission with the second bevel gear respectively, and the bottom surface of each positioning plate is fixedly connected to one side surface of the second, every equal threaded connection has second screw thread piece on the outer wall of second lead screw, every the top surface of second screw thread piece all rotates and is connected with the second bracing piece, every the top of second bracing piece all articulates on the bottom surface of first install bin, every the equal rigid coupling in a side of second screw thread piece has multisection telescopic link, every the equal rigid coupling in bottom of multisection telescopic link is on the rear end face of second install bin.
Preferably, each rectangular groove is internally and slidably connected with a rectangular sliding block, and one side face of each rectangular sliding block is fixedly connected to two side faces of the first connecting plate.
Preferably, a driven rod is fixedly connected to the middle of the bottom surface of the second connecting plate, and a first connecting plate is fixedly connected to the movable end of the driven rod.
Compared with the prior art, the invention has the beneficial effects that:
1. by using the lifting assembly, the computer display screen can be conveniently jacked or the computer can be conveniently retracted into the box body, so that the computer is prevented from being exposed in the air; by using the sealing assembly, the top of the box body is conveniently covered, and dust is prevented from entering the box body, so that a large amount of dust is prevented from adhering to the surface of the computer, the workload of teachers is reduced, and the service life of the computer is prolonged; through the use of the clamping assembly, the second installation box is convenient to clamp, and the computer is convenient to stably ascend; by using the adjusting assembly, the computer display screen can be conveniently folded, and the space is saved;
2. the conductive assembly and the fan are matched with each other for use, so that the starting of the fan is convenient to control, the host computer is convenient to cool, a large amount of heat generated by the host computer during working is avoided, and the service life of the host computer is prolonged; through seal assembly's use, be convenient for opening and closing of first gas outlet to outside being convenient for to go out the second install bin with the thermal current that the main frame produced, be convenient for cool down the main frame.
Drawings
The accompanying drawings, which are included to provide a further understanding of the invention and are incorporated in and constitute a part of this application, illustrate embodiment(s) of the invention and together with the description serve to explain the invention without limiting the invention. In the drawings:
FIG. 1 is a schematic front view in plan view of the present invention;
FIG. 2 is an enlarged view of a portion of FIG. 1 at A;
FIG. 3 is an enlarged view of a portion of FIG. 1 at B;
FIG. 4 is an enlarged view of a portion of FIG. 1 at C;
FIG. 5 is a side elevation cross-sectional view of a second mounting box of the present invention;
FIG. 6 is a side view cross-sectional view of a second web of the present invention;
FIG. 7 is a schematic view of the clamping assembly of the present invention;
number in the figure: 1. a box body; 2. a first thread block; 3. a first support bar; 4. a first connecting rod; 5. a baffle plate; 6. a first connecting plate; 7. a driven lever; 8. a second connecting rod; 9. a first lead screw; 10. a motor; 11. a rectangular slider; 12. a second connecting plate; 13. fixing the rod; 14. a fixing plate; 15. a fan; 16. a first bevel gear; 17. a second bevel gear; 18. a second support bar; 19. a first bar toothed plate; 20. a cover plate; 21. a computer display screen; 22. a first installation box; 23. a computer host; 24. a second bar-shaped toothed plate; 25. a top plate; 26. a connecting shaft; 27. a first gear; 28. a belt; 29. a limiting block; 30. a third strip toothed plate; 31. placing a box; 32. a return spring; 33. a conductive plate; 34. an electrical contact; 35. a storage battery; 36. a first pulley; 37. a third gear; 38. a second pulley; 39. a second gear; 40. a second installation box; 41. a multi-section telescopic rod; 42. a second lead screw; 43. a second thread block; 44. positioning a plate; 45. a T-shaped cavity; 46. a rectangular opening; 47. a second rectangular groove; 48. a first air outlet; 49. a rectangular cavity.
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.
Example 1: referring to fig. 1-7, a multimedia teaching apparatus suitable for network education comprises a box body 1, a top plate 25 and placing boxes 31, wherein the top plate 25 is fixedly connected to the middle of the top surface of the box body 1, the placing boxes 31 are fixedly connected to both sides of the bottom surface of the top plate 25, each placing box 31 is fixedly connected to both sides of the box body 1, a first outlet is formed in the middle of the top surface of the box body 1, a second outlet is formed in the middle of the top surface of the top plate 25, the first outlet is communicated with the second outlet, a lifting assembly is arranged at the bottom inside the box body 1, a first supporting rod 3 in the lifting assembly is hinged to the bottom surface of a first connecting plate 6, T-shaped cavities 45 are formed in both sides inside the box body 1, a sealing assembly is arranged inside each T-shaped cavity 45, a rectangular opening 46 is formed in the bottom inside each T-shaped cavity 45, a first connecting plate 6 is, first rectangular grooves are symmetrically formed in two sides of the top surface of the first connecting plate 6, and a clamping assembly is arranged in each first rectangular groove;
limiting blocks 29 are fixedly connected to the middle parts of the two side faces in the box body 1, each limiting block 29 is matched with the first rectangular groove, and a second connecting plate 12 is arranged on the top face of each limiting block 29, so that the second connecting plate 12 can be limited conveniently; a rectangular cavity 49 is formed in the bottom surface of the second connecting plate 12, a conductive component is arranged in the rectangular cavity 49, first air outlets 48 are symmetrically formed in two sides of the bottom surface of the second connecting plate 12, square openings are formed in two side surfaces in the rectangular cavity 49 and are communicated with the first air outlets 48, a sealing component is arranged in each first air outlet 48, a second mounting box 40 is fixedly connected to the middle of the top surface of the second connecting plate 12, second air outlets are formed in two side surfaces in the second mounting box 40 and are communicated with the first air outlets 48, a computer main unit 23 is fixedly mounted on the bottom surface in the second mounting box 40, fans 15 are fixedly mounted on the bottoms of the two side surfaces in the second mounting box 40, a strip-shaped groove is formed in the middle of the top surface of the second mounting box 40, a first mounting box 22 is hinged to the front end of the top surface of the second mounting box 40, and the first mounting box 22 is placed on the top surface of the second mounting box 40, the bottom surface of first install bin 22 is equipped with adjusting part, and the top surface middle part fixed mounting of first install bin 22 has computer display screen 21.
In the invention, the lifting assembly comprises a first thread block 2, a first supporting rod 3, a first lead screw 9 and a motor 10, wherein one side surface in the box body 1 is rotatably connected with the first lead screw 9, the other end of the first lead screw 9 movably penetrates through the other side surface of the box body 1 to be fixedly connected with an output shaft of the motor 10, the motor 10 is fixedly arranged in a motor box, one side surface of the motor box is fixedly connected to one side surface in the placing box 31, the outer walls of the two ends of the middle part of the first lead screw 9 are provided with forward and reverse threads, the outer walls of the two ends of the first lead screw 9 are in threaded connection with the first thread blocks 2, the bottom surface of each first thread block 2 is in sliding connection with the bottom surface in the box body 1, and the top surface of each first thread block.
In the invention, the sealing component comprises a cover plate 20, a second strip-shaped toothed plate 24, a belt 28, a third strip-shaped toothed plate 30, a first belt pulley 36, a third gear 37, a second belt pulley 38 and a second gear 39, the bottom of the inside of the T-shaped cavity 45 is rotatably connected with a first short shaft, the outer wall of the first short shaft is fixedly connected with the third gear 37, the outer wall of the first short shaft on one side surface of the third gear 37 is fixedly connected with the first belt pulley 36, the top of the inside of the T-shaped cavity 45 is rotatably connected with a second short shaft, the outer wall of the second short shaft is fixedly connected with the second gear 39, the outer wall of the first short shaft on one side surface of the second gear 39 is fixedly connected with the second belt pulley 38, the second belt pulley 38 is connected with the first belt pulley 36 through the belt 28, the third strip-shaped toothed plate 30 is fixedly connected with one side surface of the rectangular sliding block 11, the third strip-shaped toothed plate 30 is meshed with the third gear 37 for transmission, the, and the second strip-shaped toothed plate 24 is in meshing transmission with the second gear 39, a cover plate 20 is fixedly connected to one side face of the second strip-shaped toothed plate 24, and the other end of the cover plate 20 movably penetrates through the T-shaped cavity 45.
In the invention, the clamping assembly comprises a first connecting rod 4, a fixing rod 13 and a fixing plate 14, the first connecting rod 4 is rotatably connected in a first rectangular groove, the other end of the first connecting rod 4 is rotatably connected with the fixing rod 13, one end of the fixing rod 13 is arc-shaped, a mounting groove is formed in the top surface of the second connecting plate 12, the middle part of the fixing rod 13 is rotatably connected in the mounting groove, the other end of the fixing rod 13 is fixedly connected with the fixing plate 14, and a rubber pad is fixedly connected to one side surface of the fixing plate 14.
In the invention, the conductive assembly comprises a return spring 32, a conductive plate 33, an electric contact 34 and a storage battery 35, the storage battery 35 is fixedly arranged in a rectangular cavity 49, the electric contact 34 is fixedly connected to two ends of the storage battery 35, the conductive plates 33 are rotatably connected to two sides in the rectangular cavity 49, the return spring 32 is fixedly connected to one side surface of each conductive plate 33, and the other end of each return spring 32 is fixedly connected to one side surface in the rectangular cavity 49.
In the invention, the sealing assembly comprises a baffle plate 5 and a second connecting rod 8, a second rectangular groove 47 is formed in one side surface of the first air outlet 48, the baffle plate 5 penetrates through the bottom of the rectangular cavity 49 in a movable mode, the other end of the baffle plate 5 is connected into the second rectangular groove 47 in a sliding mode, the bottom surface of the baffle plate 5 is hinged to the second connecting rod 8, and the other end of the second connecting rod 8 is hinged to the top surface of the first connecting plate 6.
In the invention, the adjusting component comprises a first bevel gear 16, a second bevel gear 17, a second support rod 18, a first strip-shaped toothed plate 19, a connecting shaft 26, a first gear 27, a multi-section telescopic rod 41, a second screw rod 42, a second threaded block 43 and a positioning plate 44, the connecting shaft 26 is movably penetrated through the top of the second installation box 40, the first gear 27 is fixedly connected to both ends of the connecting shaft 26, the first strip-shaped toothed plate 19 is symmetrically and fixedly connected to the top surface in the box body 1, each first strip-shaped toothed plate 19 is in meshing transmission with the first gear 27, the second bevel gear 17 is symmetrically and fixedly connected to the outer wall of the connecting shaft 26 in the second installation box 40, the second screw rod 42 is rotatably connected to the rear end surface of the second installation box 40, the other end of each second screw rod 42 movably penetrates through the positioning plate 44 to be fixedly connected with the first bevel gear 16, and each first bevel gear 16 is in meshing transmission with the second, the bottom surface of each positioning plate 44 is fixedly connected to one side surface of the second mounting box 40, the outer wall of each second lead screw 42 is in threaded connection with a second threaded block 43, the top surface of each second threaded block 43 is rotatably connected with a second supporting rod 18, the top of each second supporting rod 18 is hinged to the bottom surface of the first mounting box 22, one side surface of each second threaded block 43 is fixedly connected with a plurality of telescopic rods 41, and the bottom of each telescopic rod 41 is fixedly connected to the rear end surface of the second mounting box 40.
In the invention, each rectangular groove is connected with a rectangular sliding block 11 in a sliding manner, and one side surface of each rectangular sliding block 11 is fixedly connected to two side surfaces of the first connecting plate 6, so that the first connecting plate 6 can slide conveniently, and the third strip-shaped toothed plate 30 can be driven to move conveniently.
In the invention, the driven rod 7 is fixedly connected with the middle part of the bottom surface of the second connecting plate 12, and the movable end of the driven rod 7 is fixedly connected with the first connecting plate 6, so that the second connecting plate 12 can stably ascend.
The working principle is as follows: the invention also provides a using method of the multimedia teaching device suitable for network education, which comprises the following steps:
the method comprises the following steps: firstly, the motor 10 is electrically connected with an external power supply through a lead, the conductive plate 33 is electrically connected with the fan 15 through a lead, and then the electric contact 34 is electrically connected with the storage battery 35 through a lead;
step two: starting the motor 10, rotating through an output shaft of the motor 10 to drive the first screw rod 9 to rotate, and further driving the first thread block 2 to move, so as to drive one end of the first support rod 3 to lift, lifting through one end of the first support rod 3 to drive the first connecting plate 6 to move upwards, and further driving the second connecting rod 8 to rotate, so as to drive the baffle 5 to move towards the second rectangular groove 47, and when the baffle 5 and the second rectangular groove 47 are further formed, the first air outlet 48 is opened, so that heat generated by the computer main unit 23 in the second installation box 40 in a working groove can conveniently flow out of the second installation box 40; after the baffle 5 is separated from the conductive plate 33, under the action of the return spring 32, the conductive plate 33 is contacted with the electric contact 34, so that the fan 15 is opened, the fan 15 blows air against the computer host 23, heat generated by the computer host 23 is taken away, and finally the air flows out of the second installation box 40 through the first air outlet 48; the heat dissipation of the computer host 23 is facilitated, and the service life of the computer host 23 is prolonged;
step three: the first connecting plate 6 moves upwards and simultaneously drives the fixed rod 13 to rotate so as to drive the fixed plates 14 to rotate, so that the rubber pads are in contact with the second installation box 40, meanwhile, the fixed rod 13 rotates and simultaneously drives the second connecting plate 12 to move upwards, and under the action of the self gravity of the computer main body 23, the two fixed plates 14 tightly clamp the second installation box 40, so that the second installation box 40 is fixed;
step four: when the first connecting plate 6 moves upwards, the third bar-shaped toothed plate 30 is driven to move upwards, so that the third gear 37 is driven to rotate, the first belt pulley 36 is driven to rotate, the second belt pulley 38 is driven to rotate through the rotation of the first belt pulley 36, and the second gear 39 is driven to rotate, so that the second bar-shaped toothed plate 24 is driven to move towards two ends, the two cover plates 20 are driven to move towards two ends through the second bar-shaped toothed plate 24, when the top of the first mounting box 22 reaches the bottom of the cover plates 20, the two cover plates 20 completely enter the T-shaped cavity 45, and the computer display screen 21 can be conveniently moved out of the box body 1;
step five: the second installation box 40 continues to move upwards by controlling the motor 10, so as to drive the first installation box 22 to move upwards, so as to drive the computer display screen 21 to move upwards, when the first gears 27 at two ends of the top of the first installation box 22 are meshed with the first linear toothed plate 19, the first gears 27 rotate on the first linear toothed plate 19, so as to drive the connecting shaft 26 to rotate, so as to drive the second bevel gear 17 to rotate, the first bevel gear 16 is driven to rotate by the rotation of the second bevel gear 17, so as to drive the second lead screw 42 to rotate, so as to drive the second thread block 43 to move, one end of the second supporting rod 18 is driven to lift by the movement of the second thread block 43, so as to lift the rear end of the bottom surface of the first installation box 22, so as to enable the first installation box 22 to incline forwards; so that the computer display screen 21 can be lifted and the angle can be adjusted; finally, when the rectangular sliding block 11 reaches the top of the rectangular groove, the jacking is stopped;
step six: after the computer display screen 21 is used, the computer display screen 21 is flatly placed on the top surface of the first installation box 22 by controlling the motor 10, and meanwhile, the first installation box 22 enters the box body 1, so that the computer display screen 21 is protected, the computer display screen 21 is prevented from being exposed in the air for a long time, dust on the surface of the computer display screen 21 is prevented from falling, and the service life of the computer display screen 21 is prolonged; meanwhile, the two cover plates 20 are matched by controlling the motor 10, so that the box body 1 is closed; and finally, turning off the external power switch of each electrical element.
The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and the technical solutions and the inventive concepts thereof according to the present invention should be equivalent or changed within the scope of the present invention.
Claims (9)
1. Multimedia teaching device suitable for network education, include box (1), roof (25) and place case (31), its characterized in that: the box is characterized in that a top plate (25) is fixedly connected to the middle of the top surface of the box body (1), placing boxes (31) are fixedly connected to two side surfaces of the box body (1) respectively, a first outlet is formed in the middle of the top surface of the box body (1), a second outlet is formed in the middle of the top surface of the top plate (25), the first outlet is communicated with the second outlet, a lifting assembly is arranged at the bottom of the box body (1), a first supporting rod (3) of the lifting assembly is hinged to the bottom surface of a first connecting plate (6), T-shaped cavities (45) are formed in the two side surfaces of the box body (1), a sealing assembly is arranged in each T-shaped cavity (45), a rectangular opening (46) is formed in the bottom of each T-shaped cavity (45), and a first connecting plate (6) is slidably connected to each rectangular opening (46) through a rectangular sliding block (11), first rectangular grooves are symmetrically formed in two sides of the top surface of the first connecting plate (6), and a clamping assembly is arranged in each first rectangular groove;
the box body (1) is characterized in that limiting blocks (29) are fixedly connected to the middle portions of two side faces in the box body (1), each limiting block (29) is matched with a first rectangular groove, a second connecting plate (12) is arranged on the top face of each limiting block (29), a rectangular cavity (49) is formed in the bottom face of each second connecting plate (12), a conductive assembly is arranged in each rectangular cavity (49), first air outlets (48) are symmetrically formed in the two sides of the bottom face of each second connecting plate (12), square openings are formed in the two side faces in each rectangular cavity (49) and communicated with the first air outlets (48), a sealing assembly is arranged in each first air outlet (48), a second mounting box (40) is fixedly connected to the middle portion of the top face of each second connecting plate (12), second air outlets are formed in the two sides of the bottom face in each second mounting box (40), and each second air outlet is communicated with the first air outlet (48), bottom surface fixed mounting in second install bin (40) has computer mainframe (23), the equal fixed mounting in both sides face bottom in second install bin (40) has fan (15), the bar groove has been seted up at the top surface middle part of second install bin (40), the top surface front end of second install bin (40) articulates there is first install bin (22), just place on the top surface of second install bin (40) first install bin (22), the bottom surface of first install bin (22) is equipped with adjusting part, the top surface middle part fixed mounting of first install bin (22) has computer display screen (21).
2. The multimedia teaching apparatus for network education as claimed in claim 1, wherein: the lifting component comprises a first thread block (2), a first supporting rod (3), a first screw rod (9) and a motor (10), a first screw rod (9) is rotatably connected to one side surface in the box body (1), the other end of the first screw rod (9) movably penetrates through the other side surface of the box body (1) and is fixedly connected with an output shaft of the motor (10), the motor (10) is fixedly arranged in the motor box, one side surface of the motor box is fixedly connected with one side surface in the placing box (31), the middle part both ends outer wall of first lead screw (9) has been seted up forward and reverse screw thread, threaded connection has first thread piece (2), every on the both ends outer wall of first lead screw (9) the equal sliding connection in bottom surface of first thread piece (2) is on the bottom surface in box (1), every the top surface of first thread piece (2) all articulates there is first bracing piece (3).
3. The multimedia teaching apparatus for network education as claimed in claim 1, wherein: the sealing component comprises a cover plate (20), a second strip-shaped toothed plate (24), a belt (28), a third strip-shaped toothed plate (30), a first belt pulley (36), a third gear (37), a second belt pulley (38) and a second gear (39), wherein the bottom in the T-shaped cavity (45) is rotatably connected with a first short shaft, the outer wall of the first short shaft is fixedly connected with the third gear (37), the outer wall of the first short shaft at one side face of the third gear (37) is fixedly connected with the first belt pulley (36), the top in the T-shaped cavity (45) is rotatably connected with a second short shaft, the outer wall of the second short shaft is fixedly connected with the second gear (39), the outer wall of the first short shaft at one side face of the second gear (39) is fixedly connected with the second belt pulley (38), the second belt pulley (38) is connected with the first belt pulley (36) through the belt (28), one side face of the rectangular sliding block (11) is provided with the third strip-shaped toothed plate (30), and third bar pinion rack (30) and third gear (37) meshing transmission, the rear end face sliding connection of T die cavity (45) has second bar pinion rack (24), just second bar pinion rack (24) and second gear (39) meshing transmission, a side rigid coupling of second bar pinion rack (24) has apron (20), just T die cavity (45) is run through in the other end activity of apron (20).
4. The multimedia teaching apparatus for network education as claimed in claim 1, wherein: the centre gripping subassembly includes head rod (4), dead lever (13) and fixed plate (14), the first rectangular channel internal rotation is connected with head rod (4), the other end rotation of head rod (4) is connected with dead lever (13), just dead lever (13) one end is the arc form, the mounting groove has been seted up to the top surface of second connecting plate (12), the middle part of dead lever (13) is rotated and is connected in the mounting groove, the other end rigid coupling of dead lever (13) has fixed plate (14), a side rigid coupling of fixed plate (14) has the rubber pad.
5. The multimedia teaching apparatus for network education as claimed in claim 1, wherein: conductive assembly includes reset spring (32), current conducting plate (33), connects electric contact (34) and battery (35), fixed mounting has battery (35) in rectangle chamber (49), the equal rigid coupling in both ends of battery (35) connects electric contact (34), both sides rotation in rectangle chamber (49) is connected with current conducting plate (33), every the equal rigid coupling in a side of current conducting plate (33) has reset spring (32), every the equal rigid coupling in a side in rectangle chamber (49) of the other end of reset spring (32).
6. The multimedia teaching apparatus for network education as claimed in claim 1, wherein: the sealing assembly comprises a baffle (5) and a second connecting rod (8), a second rectangular groove (47) is formed in one side face of the first air outlet (48), the baffle (5) penetrates through the bottom in the rectangular cavity (49) in a movable mode, the other end of the baffle (5) is connected in the second rectangular groove (47) in a sliding mode, the second connecting rod (8) is hinged to the bottom face of the baffle (5), and the other end of the second connecting rod (8) is hinged to the top face of the first connecting rod (6).
7. The multimedia teaching apparatus for network education as claimed in claim 1, wherein: the adjusting component comprises a first bevel gear (16), a second bevel gear (17), a second support rod (18), a first strip-shaped toothed plate (19), a connecting shaft (26), a first gear (27), a multi-section telescopic rod (41), a second lead screw (42), a second thread block (43) and a positioning plate (44), the connecting shaft (26) penetrates through the top of the second installation box (40) in a movable manner, the first gears (27) are fixedly connected to the two ends of the connecting shaft (26) respectively, the first strip-shaped toothed plates (19) are symmetrically and fixedly connected to the top surface in the box body (1), each first strip-shaped toothed plate (19) is in meshing transmission with the first gear (27) respectively, the gears (17) are symmetrically and fixedly connected to the outer wall of the connecting shaft (26) in the second installation box (40), and the second bevel gear (42) is rotationally connected to the rear end surface of the second installation box (40) symmetrically, the other end of each second screw rod (42) movably penetrates through a positioning plate (44) and fixedly connected with a first bevel gear (16), each first bevel gear (16) is in meshing transmission with a second bevel gear (17) respectively, the bottom surface of each positioning plate (44) is fixedly connected to one side surface of a second installation box (40), each outer wall of each second screw rod (42) is in threaded connection with a second threaded block (43), the top surface of each second threaded block (43) is rotatably connected with a second supporting rod (18), the top of each second supporting rod (18) is hinged to the bottom surface of the first installation box (22), one side surface of each second threaded block (43) is fixedly connected with a plurality of telescopic rods (41), and the bottom of each telescopic rod (41) is fixedly connected to the rear end surface of the second installation box (40).
8. The multimedia teaching apparatus for network education as claimed in claim 1, wherein: every equal sliding connection has rectangle slider (11) in the rectangular channel, every the equal rigid coupling of a side of rectangle slider (11) is on the both sides face of first connecting plate (6).
9. The multimedia teaching apparatus for network education as claimed in claim 1, wherein: the middle of the bottom surface of the second connecting plate (12) is fixedly connected with a driven rod (7), and the movable end of the driven rod (7) is fixedly connected with a first connecting plate (6).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110358556.8A CN112735203A (en) | 2021-04-02 | 2021-04-02 | Multimedia teaching device suitable for network education |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110358556.8A CN112735203A (en) | 2021-04-02 | 2021-04-02 | Multimedia teaching device suitable for network education |
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| CN112735203A true CN112735203A (en) | 2021-04-30 |
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| CN202110358556.8A Pending CN112735203A (en) | 2021-04-02 | 2021-04-02 | Multimedia teaching device suitable for network education |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN113838315A (en) * | 2021-09-21 | 2021-12-24 | 夏培准 | Portable multimedia teaching of intelligence demonstrates appearance |
| CN114038249A (en) * | 2021-12-03 | 2022-02-11 | 西安创艺教育培训中心有限公司 | Real-time interactive multimedia education equipment |
| CN114403585A (en) * | 2022-01-24 | 2022-04-29 | 重庆市天乐云电子商务有限公司 | Embedded computer desk |
| CN114504191A (en) * | 2022-02-15 | 2022-05-17 | 山东华宇工学院 | Office device for network teaching |
| CN114572118A (en) * | 2022-03-15 | 2022-06-03 | 浙江极氪智能科技有限公司 | Touch panel device |
| CN114847635A (en) * | 2022-04-07 | 2022-08-05 | 寓信(南京)网络科技有限公司 | Data analysis platform based on visualization technology |
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| CN114572118A (en) * | 2022-03-15 | 2022-06-03 | 浙江极氪智能科技有限公司 | Touch panel device |
| CN114847635A (en) * | 2022-04-07 | 2022-08-05 | 寓信(南京)网络科技有限公司 | Data analysis platform based on visualization technology |
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