CN112483789A - Multimedia teaching machine for Chinese teaching - Google Patents
Multimedia teaching machine for Chinese teaching Download PDFInfo
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- CN112483789A CN112483789A CN202011298603.6A CN202011298603A CN112483789A CN 112483789 A CN112483789 A CN 112483789A CN 202011298603 A CN202011298603 A CN 202011298603A CN 112483789 A CN112483789 A CN 112483789A
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- 230000007246 mechanism Effects 0.000 claims abstract description 75
- 238000009434 installation Methods 0.000 claims description 13
- 230000003028 elevating effect Effects 0.000 claims description 10
- 210000002421 cell wall Anatomy 0.000 claims description 3
- 230000000149 penetrating effect Effects 0.000 claims description 3
- 239000003381 stabilizer Substances 0.000 claims description 2
- 238000005096 rolling process Methods 0.000 abstract description 5
- 238000011065 in-situ storage Methods 0.000 abstract 1
- 238000010586 diagram Methods 0.000 description 5
- 238000012423 maintenance Methods 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 230000005540 biological transmission Effects 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 230000033001 locomotion Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000001360 synchronised effect Effects 0.000 description 1
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Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16M—FRAMES, CASINGS OR BEDS OF ENGINES, MACHINES OR APPARATUS, NOT SPECIFIC TO ENGINES, MACHINES OR APPARATUS PROVIDED FOR ELSEWHERE; STANDS; SUPPORTS
- F16M11/00—Stands or trestles as supports for apparatus or articles placed thereon ; Stands for scientific apparatus such as gravitational force meters
- F16M11/02—Heads
- F16M11/04—Means for attachment of apparatus; Means allowing adjustment of the apparatus relatively to the stand
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16M—FRAMES, CASINGS OR BEDS OF ENGINES, MACHINES OR APPARATUS, NOT SPECIFIC TO ENGINES, MACHINES OR APPARATUS PROVIDED FOR ELSEWHERE; STANDS; SUPPORTS
- F16M11/00—Stands or trestles as supports for apparatus or articles placed thereon ; Stands for scientific apparatus such as gravitational force meters
- F16M11/02—Heads
- F16M11/04—Means for attachment of apparatus; Means allowing adjustment of the apparatus relatively to the stand
- F16M11/06—Means for attachment of apparatus; Means allowing adjustment of the apparatus relatively to the stand allowing pivoting
- F16M11/10—Means for attachment of apparatus; Means allowing adjustment of the apparatus relatively to the stand allowing pivoting around a horizontal axis
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16M—FRAMES, CASINGS OR BEDS OF ENGINES, MACHINES OR APPARATUS, NOT SPECIFIC TO ENGINES, MACHINES OR APPARATUS PROVIDED FOR ELSEWHERE; STANDS; SUPPORTS
- F16M11/00—Stands or trestles as supports for apparatus or articles placed thereon ; Stands for scientific apparatus such as gravitational force meters
- F16M11/02—Heads
- F16M11/18—Heads with mechanism for moving the apparatus relatively to the stand
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16M—FRAMES, CASINGS OR BEDS OF ENGINES, MACHINES OR APPARATUS, NOT SPECIFIC TO ENGINES, MACHINES OR APPARATUS PROVIDED FOR ELSEWHERE; STANDS; SUPPORTS
- F16M11/00—Stands or trestles as supports for apparatus or articles placed thereon ; Stands for scientific apparatus such as gravitational force meters
- F16M11/20—Undercarriages with or without wheels
- F16M11/24—Undercarriages with or without wheels changeable in height or length of legs, also for transport only, e.g. by means of tubes screwed into each other
- F16M11/26—Undercarriages with or without wheels changeable in height or length of legs, also for transport only, e.g. by means of tubes screwed into each other by telescoping, with or without folding
- F16M11/28—Undercarriages for supports with one single telescoping pillar
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16M—FRAMES, CASINGS OR BEDS OF ENGINES, MACHINES OR APPARATUS, NOT SPECIFIC TO ENGINES, MACHINES OR APPARATUS PROVIDED FOR ELSEWHERE; STANDS; SUPPORTS
- F16M11/00—Stands or trestles as supports for apparatus or articles placed thereon ; Stands for scientific apparatus such as gravitational force meters
- F16M11/42—Stands or trestles as supports for apparatus or articles placed thereon ; Stands for scientific apparatus such as gravitational force meters with arrangement for propelling the support stands on wheels
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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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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Business, Economics & Management (AREA)
- Physics & Mathematics (AREA)
- Educational Administration (AREA)
- Educational Technology (AREA)
- General Physics & Mathematics (AREA)
- Theoretical Computer Science (AREA)
- Projection Apparatus (AREA)
Abstract
The invention relates to the field of teaching equipment, in particular to a multimedia teaching machine for Chinese teaching, which comprises a workbench, wherein a moving mechanism is arranged on the lower surface of the workbench, a lifting mechanism is arranged on the upper surface of the workbench, a driving mechanism is arranged in the workbench at the position between the lifting mechanism and the moving mechanism, a projector mechanism is arranged above the lifting mechanism, when the multimedia teaching machine is required to be used, the device can be moved to a position required to be used through rolling of a roller, then the lifting mechanism is driven through the driving mechanism, so that the lifting mechanism drives the projector to ascend to the outside of a containing groove and further be used, and meanwhile, when the driving mechanism takes the moving mechanisms such as the roller and the like into the moving groove, the device is placed in situ to support the projector and can be directly operated to carry out teaching operation, the device avoids the damage to the classroom in normal times and is convenient to maintain.
Description
Technical Field
The invention relates to the field of teaching equipment, in particular to a multimedia teaching machine for Chinese teaching.
Background
With the progress of science and technology, multimedia teaching is widely adopted in teaching with the advantages of liveliness and high efficiency, and the multimedia teaching refers to 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 traditional teaching means to jointly participate in the whole teaching process, various media information acts on students to form a reasonable teaching process structure, and the optimized teaching effect is achieved.
Most projectors used during the existing teaching are installed at the top of a classroom, and primary schools and junior students are all relatively stubborn, so that the projectors at the top of the classroom are easy to collide and damage during alarming, and are not convenient to maintain when being easy to damage, the use of the projectors during the Chinese teaching can be influenced, and therefore, the multimedia teaching machine for the Chinese teaching is necessary to be provided.
Disclosure of Invention
Aiming at the problems in the prior art, the invention provides a multimedia teaching machine for Chinese teaching.
The technical scheme adopted by the invention for solving the technical problems is as follows: the utility model provides a multimedia teaching machine is used in chinese teaching, includes a workstation, the lower surface of workstation is provided with a moving mechanism, the upper surface of workstation is provided with elevating system, is located the inside actuating mechanism that is provided with of workstation of elevating system and moving mechanism intermediate position, elevating system's top is provided with a projecting apparatus mechanism, be provided with an angle adjustment mechanism between projecting apparatus mechanism and the elevating system.
The movable mechanism comprises a movable groove, the lower surface of the workbench is formed in the movable groove, an installation block is connected to the inner side of the movable groove in a sliding mode, the lower end of the installation block penetrates through a notch of the movable groove and extends downwards to the workbench, a rotating shaft is fixedly connected to four corners of the lower surface of the installation block, four of the rotating shaft are fixedly connected with a support and four of the support, and a roller is rotatably connected between opposite side walls of the support through a bearing.
Specifically, elevating system includes one and accomodates the groove, accomodate the groove and set up the upper surface at the workstation, accomodate the tank bottom in groove and set up a lift groove that is the rectangle setting, sliding connection has a lifter in the lift groove, the notch that the lift groove was run through to the upper end of lifter extends to and accomodates the inslot.
Specifically, the driving mechanism comprises a first threaded rod, the first threaded rod is rotatably connected to the workbench between the accommodating groove and the moving groove through a bearing, a first threaded groove is formed in the lower surface of the lifting rod corresponding to the position of the first threaded rod, a second threaded groove is formed in the upper surface of the mounting block corresponding to the position of the first threaded rod, two ends of the first threaded rod respectively penetrate through and extend into the first threaded groove and the second threaded groove, a section of rod wall of the second threaded groove, which is positioned in the first threaded groove and the second threaded groove, is respectively meshed with the first threaded groove and the second threaded groove, a driving cavity is formed in the workbench corresponding to the position of the first threaded rod, a first bevel gear is fixedly connected to a section of rod wall of the first threaded rod, which is positioned in the driving cavity, and a driving motor is fixedly installed in the driving cavity, the output end of the driving motor is fixedly connected with a second bevel gear through a coupler, and the first bevel gear is meshed with the second bevel gear.
Specifically, projecting apparatus mechanism includes a mounting panel, mounting panel sliding connection is at accomodating the inslot, the last fixed surface of mounting panel installs a projecting apparatus, the last fixed surface of projecting apparatus is connected with a guard plate, the guard plate is the same with the notch size of accomodating the groove and is the setting of counterbalance form.
Specifically, the angle adjusting mechanism comprises a supporting plate, the supporting plate is fixedly arranged on the outer rod wall of the top end of the lifting rod in the accommodating groove, two threaded holes are formed in the supporting plate in a penetrating manner, a second threaded rod is connected in the two threaded rods in a threaded manner, two ends of the two second threaded rods respectively penetrate through orifices at two ends of the two threaded holes and extend outwards, two T-shaped sliding grooves are formed in the lower surface of the mounting plate corresponding to the positions of the two second threaded rods, a T-shaped sliding block is connected in the two T-shaped sliding grooves in a sliding manner, the lower ends of the two T-shaped sliding blocks respectively penetrate through the notches of the corresponding T-shaped sliding grooves and extend downwards, a ball groove is formed in the lower surfaces of the two T-shaped sliding blocks, a ball is connected in the two ball grooves in a rolling manner, and the lower ends of the two balls both penetrate and extend out, and one end of each ball, which is positioned outside the ball groove, is fixedly connected to the top ends of the two second threaded rods respectively, and a rotating handle is fixedly sleeved on the wall of each second threaded rod above the supporting plate.
Specifically, be vertical form on the relative cell wall of shifting chute and seted up four spouts, four equal sliding connection has a slider in the spout, four wherein one end of slider runs through the notch that corresponds the spout respectively and outwards extends to the shifting chute in, four the one end difference fixed connection that the slider is located the shifting chute is on the corresponding lateral wall of installation piece.
Specifically, the four corners of the lower surface of the workbench are fixedly connected with a support leg.
The invention has the beneficial effects that:
(1) according to the multimedia teaching machine for Chinese teaching, the workbench, the moving mechanism, the lifting mechanism and the driving mechanism are arranged, when the multimedia teaching machine needs to be used, the device can be moved to a position needing to be used through rolling of the roller, then the lifting mechanism is driven through the driving mechanism, the projector is driven by the lifting mechanism to ascend to the outside of the accommodating groove and further can be used, meanwhile, when the moving mechanisms such as the roller are accommodated in the moving groove through the driving mechanism, the device is placed in a home position to support the projector, teaching operation can be directly carried out on the projector, damage to the projector in a classroom is avoided, and meanwhile maintenance of the multimedia teaching machine is facilitated.
(2) According to the multimedia teaching machine for Chinese teaching, the workbench, the angle adjusting mechanism and the projector mechanism are arranged, after the projector mechanism extends out of the workbench, the threaded rod can be rotated by rotating the handle, and the threaded rod can drive one end of the projector to lift, so that the projection angle of the projector can be adjusted, and the projector can be suitable for more scenes and environments.
Drawings
The invention is further illustrated with reference to the following figures and examples.
FIG. 1 is a schematic diagram of a mobile state structure of a multimedia teaching machine for Chinese teaching according to the present invention;
FIG. 2 is a schematic diagram of a structure of a state to be used of a multimedia teaching machine for Chinese teaching according to the present invention;
FIG. 3 is a schematic diagram of a usage status structure of a multimedia teaching machine for Chinese teaching according to the present invention;
FIG. 4 is a schematic view of a bottom view of a multimedia teaching machine for Chinese teaching according to the present invention;
FIG. 5 is a schematic structural diagram of an angle adjustment mechanism in a multimedia teaching machine for Chinese teaching according to the present invention;
FIG. 6 is a cross-sectional view of a side view of an angle adjustment mechanism of a multimedia teaching machine for Chinese teaching according to the present invention;
fig. 7 is an enlarged schematic structural diagram of a portion a in fig. 3 of a multimedia teaching machine for Chinese teaching according to the present invention.
In the figure: 1. a work table; 2. a moving mechanism; 21. a moving groove; 22. mounting blocks; 23. a rotating shaft; 24. a support; 25. a roller; 26. a chute; 27. a slider; 3. a lifting mechanism; 31. a receiving groove; 32. a lifting groove; 33. a lifting rod; 4. a drive mechanism; 41. a first threaded rod; 42. a first thread groove; 43. a second thread groove; 44. a drive chamber; 45. a first bevel gear; 46. a drive motor; 47. a second bevel gear; 5. a projector mechanism; 51. mounting a plate; 52. a projector; 53. a protection plate; 6. an angle adjusting mechanism; 61. a support plate; 62. a threaded hole; 63. a second threaded rod; 64. a T-shaped chute; 65. a T-shaped slider; 66. a ball groove; 67. a ball bearing; 68. rotating the handle; 7. and (3) a support leg.
Detailed Description
In order to make the technical means, the creation characteristics, the achievement purposes and the effects of the invention easy to understand, the invention is further described with the specific embodiments.
As shown in fig. 1-7, the multimedia teaching machine for Chinese teaching according to the present invention comprises a working table 1, a moving mechanism 2 is disposed on a lower surface of the working table 1, a lifting mechanism 3 is disposed on an upper surface of the working table 1, a driving mechanism 4 is disposed inside the working table 1 at a position between the lifting mechanism 3 and the moving mechanism 2, a projector mechanism 5 is disposed above the lifting mechanism 3, an angle adjusting mechanism 6 is disposed between the projector mechanism 5 and the lifting mechanism 3, when the device is required to be used, the device can be moved to a position required to be used by the moving mechanism 2, then the driving mechanism 4 can be started, the driving mechanism 4 can lift the moving mechanism 2 to enable the working table 1 to be placed on the ground, and the projector mechanism 5 can be lifted out of the working table 1 for use, and according to different working conditions, the angle of the projector mechanism 5 is adjusted by the angle adjusting mechanism 6, which facilitates its use.
Specifically, the moving mechanism 2 comprises a moving groove 21, the moving groove 21 is arranged on the lower surface of the workbench 1, a mounting block 22 is connected in the moving groove 21 in a sliding manner, the lower end of the mounting block 22 penetrates through the notch of the moving groove 21 and extends downwards to the outside of the workbench 1, four corners of the lower surface of the mounting block 22 are fixedly connected with a rotating shaft 23, four rotating shafts 23 are fixedly connected with a support 24, a roller 25 is rotatably connected between opposite side walls of the four supports 24 through bearings, the workbench 1 is firstly pushed, the workbench 1 rolls on the ground through the roller 25, thereby driving the workbench 1 to move, meanwhile, the mounting block 22 is rotatably connected with the roller 25 through the rotating shaft 23, so that the roller 25 can be adjusted in direction of movement, so that the table 1 can be moved at will and until it is moved to the position where it is to be used.
Specifically, the lifting mechanism 3 includes a receiving groove 31, the receiving groove 31 is disposed on the upper surface of the workbench 1, a rectangular lifting groove 32 is disposed at the bottom of the receiving groove 31, a lifting rod 33 is slidably connected in the lifting groove 32, the upper end of the lifting rod 33 penetrates through the notch of the lifting groove 32 and extends into the receiving groove 31, the driving mechanism 4 includes a first threaded rod 41, the first threaded rod 41 is rotatably connected to the workbench 1 between the receiving groove 31 and the moving groove 21 through a bearing, a first threaded groove 42 is disposed on the lower surface of the lifting rod 33 corresponding to the position of the first threaded rod 41, a second threaded groove 43 is disposed on the upper surface of the mounting block 22 corresponding to the position of the first threaded rod 41, two ends of the first threaded rod 41 respectively penetrate and extend into the first threaded groove 42 and the second threaded groove 43, and a section of the rod wall of the second threaded groove 43 located in the first threaded groove 42 and the second threaded groove 43 is respectively engaged with the first threaded groove 42 and the second threaded groove 43, a driving cavity 44 is formed inside the workbench 1 corresponding to the position of the first threaded rod 41, a first bevel gear 45 is fixedly sleeved on one section of the rod wall of the first threaded rod 41 in the driving cavity 44, a driving motor 46 is fixedly installed inside the driving cavity 44, an output end of the driving motor 46 is fixedly connected with a second bevel gear 47 through a coupler, the first bevel gear 45 is meshed with the second bevel gear 47, the projector mechanism 5 comprises a mounting plate 51, the mounting plate 51 is slidably connected in the accommodating groove 31, a projector 52 is fixedly installed on the upper surface of the mounting plate 51, a protection plate 53 is fixedly connected on the upper surface of the projector 52, the protection plate 53 has the same size as the notch of the accommodating groove 31 and is arranged in an offset manner so as to start the driving motor 46 to rotate forwardly, the driving motor 46 drives the second bevel gear 47 to rotate, and the second bevel gear 47 is in meshing transmission with the first bevel gear 45, can drive first threaded rod 41 and rotate, and first threaded rod 41 can drive installation piece 22 through the cooperation with second thread groove 43 and rise, and installation piece 22 drives equipment such as gyro wheel 25 and rises to in moving groove 21, and then make stabilizer blade 7 support workstation 1 with ground counterbalance, first threaded rod 41 can drive lifter 33 through the cooperation with first thread groove 42 and rise in step simultaneously, lifter 33 promotes angle adjustment mechanism 6 and mounting panel 51 and rises in step, and mounting panel 51 drives projecting apparatus 52 and rises outside workstation 1, can directly operate projecting apparatus 52 and carry out the teaching operation, also make things convenient for its maintenance when having avoided it to receive the damage easily in the classroom at ordinary times.
Specifically, the angle adjusting mechanism 6 includes a supporting plate 61, the supporting plate 61 is fixedly installed on the outer rod wall of the top end of the lifting rod 33 in the accommodating groove 31, two threaded holes 62 are formed in the supporting plate 61 in a penetrating manner, a second threaded rod 63 is connected to each of the two threaded rods 62 in a threaded manner, two ends of each of the two second threaded rods 63 respectively penetrate through two end openings of the two threaded holes 62 and extend outward, two T-shaped sliding grooves 64 are formed in the lower surface of the mounting plate 51 corresponding to the positions of the two second threaded rods 63, a T-shaped sliding block 65 is connected to each of the two T-shaped sliding grooves 64 in a sliding manner, the lower ends of the two T-shaped sliding blocks 65 respectively penetrate through the groove openings of the corresponding T-shaped sliding grooves 64 and extend downward, a ball groove 66 is formed in the lower surface of each of the two T-shaped sliding blocks 65, a ball 67 is connected to each of the two ball, one end of each of the two balls 67, which is located outside the ball groove 66, is fixedly connected to the top ends of the two second threaded rods 63, a rotating handle 68 is fixedly sleeved on the wall of each of the two second threaded rods 63 located above the support plate 61, the mounting plate 51 drives the projector 52 to ascend to the outside of the workbench 1, then the second threaded rods 63 can be rotated by rotating the handle 68, the second threaded rods 63 can be rotatably ascended through the threaded connection with the threaded holes 62, one end of the projector 52 can be lifted or descended, the angle of the projector 52 can be adjusted, when the angle adjustment is performed, the angle adjustment is performed due to the inclination of the angle of the mounting plate 51, the second threaded rods 63 are vertically arranged, the angle adjustment can be performed due to the rolling of the balls 67 in the ball groove 66, and the distance between the T-shaped sliders 65 can be changed due to the inclination of the angle of the mounting plate 51, at this time, the adjustment can be performed by sliding the T-shaped slider 65 in the T-shaped sliding groove 64, so that the angle adjustment of the projector 52 can be prevented from being affected. It is specific, be vertical four spout 26 of having seted up on the relative cell wall of shifting chute 21, equal sliding connection has a slider 27 in four spout 26, wherein one end of four sliders 27 runs through the notch that corresponds spout 26 respectively and outwards extends to the shifting chute 21 in, one end that four sliders 27 are located the shifting chute 21 is fixed connection respectively on the corresponding lateral wall of installing block 22, make the installing block 22 can drive slider 27 synchronous motion in spout 26 when going up and down, and then can be through the spacing of spout 26 to slider 27, make the installing block 22 can't break away from shifting chute 21.
Specifically, the four corners of the lower surface of the workbench 1 are fixedly connected with support legs 7, and the workbench 1 is supported through the support legs 7.
When the device is used, firstly, the workbench 1 is pushed, the workbench 1 rolls on the ground through the roller 25, and then the workbench 1 can be driven to move, meanwhile, the installation block 22 is rotatably connected with the roller 25 through the rotating shaft 23, so that the roller 25 can be directionally adjusted when moving, the workbench 1 can be freely moved and moved to a position to be used, then, the driving motor 46 can be started to rotate forwards, the driving motor 46 drives the second bevel gear 47 to rotate, the second bevel gear 47 can drive the first threaded rod 41 to rotate through meshing transmission with the first bevel gear 45, the first threaded rod 41 can drive the installation block 22 to ascend through matching with the second threaded groove 43, the installation block 22 drives the devices such as the roller 25 to ascend into the moving groove 21, and then the support legs 7 are abutted against the ground to support the workbench 1, meanwhile, the first threaded rod 41 can drive the lifting rod 33 to ascend synchronously through matching with the first threaded groove 42, the lifting rod 33 pushes the angle adjusting mechanism 6 to ascend synchronously with the mounting plate 51, the mounting plate 51 drives the projector 52 to ascend to the outside of the workbench 1, teaching operation can be directly performed on the projector 52, the problem that the projector is easy to damage in a classroom at ordinary times is avoided, maintenance is facilitated, the second threaded rod 63 can be rotated through rotating the handle 68, the second threaded rod 63 can be rotated and ascended through the threaded connection relation with the threaded hole 62, one end of the projector 52 can be lifted or descended, the angle of the projector 52 can be adjusted, the projector can face different heights under different use environments, use of the projector is facilitated, and when the projector is adjusted, the angle of the mounting plate 51 is inclined and the second threaded rod 63 is vertically arranged, at this moment, the angle of the mounting plate can be adjusted by rolling the ball 67 in the ball groove 66, and meanwhile, the angle of the mounting plate 51 is inclined, so that the distance between the two T-shaped sliding blocks 65 can be changed, at this moment, the T-shaped sliding blocks 65 can slide in the T-shaped sliding grooves 64 to be adjusted, and further the angle adjustment of the projector 52 can be avoided.
The foregoing illustrates and describes the principles, general features, and advantages of the present invention. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, and the embodiments and descriptions given above are only illustrative of the principles of the present invention, and various changes and modifications may be made without departing from the spirit and scope of the invention, which fall within the scope of the claims. The scope of the invention is defined by the appended claims and equivalents thereof.
Claims (8)
1. The utility model provides a multimedia teaching machine for chinese teaching, includes a workstation (1), its characterized in that, the lower surface of workstation (1) is provided with a moving mechanism (2), the upper surface of workstation (1) is provided with elevating system (3), is located elevating system (3) and moving mechanism (2) intermediate position's workstation (1) inside is provided with a actuating mechanism (4), the top of elevating system (3) is provided with a projector mechanism (5), be provided with an angle adjustment mechanism (6) between projector mechanism (5) and elevating system (3).
2. The multimedia teaching machine for Chinese teaching according to claim 1, wherein: moving mechanism (2) include a shifting chute (21), the lower surface at workstation (1) is seted up in shifting chute (21), sliding connection has an installation piece (22) in shifting chute (21), the lower extreme of installation piece (22) runs through the notch of shifting chute (21) and downwardly extending to outside workstation (1), equal fixedly connected with pivot (23), four in the four corners department of installation piece (22) lower surface equal fixedly connected with support (24), four in pivot (23) all be connected with one gyro wheel (25) through the bearing rotation between the relative lateral wall of support (24).
3. The multimedia teaching machine for Chinese teaching according to claim 1, wherein: elevating system (3) include one and accomodate groove (31), accomodate groove (31) and set up the upper surface at workstation (1), the tank bottom of accomodating groove (31) is seted up one and is lift groove (32) that the rectangle set up, sliding connection has a lifter (33) in lift groove (32), the notch of lift groove (32) is run through to the upper end of lifter (33) and extends to in accomodating groove (31).
4. The multimedia teaching machine for Chinese teaching according to claim 1, wherein: the driving mechanism (4) comprises a first threaded rod (41), the first threaded rod (41) is rotatably connected to the workbench (1) between the accommodating groove (31) and the moving groove (21) through a bearing, a first threaded groove (42) is formed in the lower surface of the lifting rod (33) corresponding to the position of the first threaded rod (41), a second threaded groove (43) is formed in the upper surface of the mounting block (22) corresponding to the position of the first threaded rod (41), two ends of the first threaded rod (41) respectively penetrate through and extend into the first threaded groove (42) and the second threaded groove (43), a section of rod wall of the second threaded groove (43) located in the first threaded groove (42) and the second threaded groove (43) is respectively meshed with the first threaded groove (42) and the second threaded groove (43), and a driving cavity (44) is formed in the workbench (1) corresponding to the position of the first threaded rod (41), the driving mechanism is characterized in that a first bevel gear (45) is fixedly sleeved on one section of the rod wall of a first threaded rod (41) in the driving cavity (44), a driving motor (46) is fixedly installed inside the driving cavity (44), the output end of the driving motor (46) is fixedly connected with a second bevel gear (47) through a coupler, and the first bevel gear (45) is meshed with the second bevel gear (47).
5. The multimedia teaching machine for Chinese teaching according to claim 1, wherein: projector mechanism (5) include a mounting panel (51), mounting panel (51) sliding connection is in accomodating groove (31), the last fixed surface of mounting panel (51) installs a projector (52), the last fixed surface of projector (52) is connected with a guard plate (53), guard plate (53) are the same with the notch size of accomodating groove (31) and are the counterbalance and describe the setting.
6. The multimedia teaching machine for Chinese teaching according to claim 1, wherein: the angle adjusting mechanism (6) comprises a supporting plate (61), the supporting plate (61) is fixedly installed on the top end outer rod wall of the lifting rod (33) in the accommodating groove (31), two threaded holes (62) are formed in the supporting plate (61) in a penetrating mode, a second threaded rod (63) is connected to the two threaded rods (62) in a threaded mode, two ends of the second threaded rods (63) penetrate through two end orifices of the two threaded holes (62) respectively and extend outwards, two T-shaped sliding grooves (64) are formed in the lower surface of the mounting plate (51) corresponding to the positions of the two threaded rods (63), a T-shaped sliding block (65) is connected to the two T-shaped sliding grooves (64) in a sliding mode, the lower ends of the two T-shaped sliding blocks (65) penetrate through notches corresponding to the T-shaped sliding grooves (64) respectively and extend downwards, and a ball groove (66) is formed in the lower surface of each T-shaped sliding block (65), two equal roll connection has a ball (67) in ball groove (66), two the lower extreme of ball (67) all runs through and extends to outside ball groove (66), two ball (67) are located the top of the outer one end difference fixed connection of ball groove (66) at two second threaded rod (63), are located all fixed the cup jointing has rotated handle (68) on two second threaded rod (63) pole walls of backup pad (61) top position.
7. A multimedia teaching machine for Chinese teaching according to claim 2, wherein: it has seted up four spout (26), four to be vertical form on the relative cell wall of shifting chute (21) equal sliding connection has a slider (27) in spout (26), four wherein one end of slider (27) runs through the notch that corresponds spout (26) respectively and outwards extends to shifting chute (21), four one end difference fixed connection that slider (27) are located shifting chute (21) is on the corresponding lateral wall of installation piece (22).
8. The multimedia teaching machine for Chinese teaching according to claim 1, wherein: all fixedly connected with stabilizer blade (7) in the four corners department of workstation (1) lower surface.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011298603.6A CN112483789A (en) | 2020-11-18 | 2020-11-18 | Multimedia teaching machine for Chinese teaching |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202011298603.6A CN112483789A (en) | 2020-11-18 | 2020-11-18 | Multimedia teaching machine for Chinese teaching |
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| CN112483789A true CN112483789A (en) | 2021-03-12 |
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| CN202011298603.6A Withdrawn CN112483789A (en) | 2020-11-18 | 2020-11-18 | Multimedia teaching machine for Chinese teaching |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113445554A (en) * | 2021-07-29 | 2021-09-28 | 朱翠红 | Foundation pit engineering monitoring device for high-rise building |
| CN113719726A (en) * | 2021-09-01 | 2021-11-30 | 华东理工常熟研究院有限公司 | Movable signal receiver for artificial intelligence network control system |
| CN114383004A (en) * | 2022-01-17 | 2022-04-22 | 彭静怡 | Construction cost mapping device for building construction |
-
2020
- 2020-11-18 CN CN202011298603.6A patent/CN112483789A/en not_active Withdrawn
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113445554A (en) * | 2021-07-29 | 2021-09-28 | 朱翠红 | Foundation pit engineering monitoring device for high-rise building |
| CN113719726A (en) * | 2021-09-01 | 2021-11-30 | 华东理工常熟研究院有限公司 | Movable signal receiver for artificial intelligence network control system |
| CN114383004A (en) * | 2022-01-17 | 2022-04-22 | 彭静怡 | Construction cost mapping device for building construction |
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Application publication date: 20210312 |