CN116580605B - Real-time projection equipment for painting teaching - Google Patents
Real-time projection equipment for painting teaching Download PDFInfo
- Publication number
- CN116580605B CN116580605B CN202310856808.9A CN202310856808A CN116580605B CN 116580605 B CN116580605 B CN 116580605B CN 202310856808 A CN202310856808 A CN 202310856808A CN 116580605 B CN116580605 B CN 116580605B
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- display screen
- sliding
- seat
- fixedly connected
- clamping seat
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- 238000010422 painting Methods 0.000 title claims abstract description 19
- 238000003860 storage Methods 0.000 claims abstract description 31
- 230000000694 effects Effects 0.000 claims description 15
- 238000005520 cutting process Methods 0.000 claims description 7
- 238000003825 pressing Methods 0.000 claims description 7
- 238000003466 welding Methods 0.000 claims description 5
- 239000007787 solid Substances 0.000 claims description 4
- 230000008054 signal transmission Effects 0.000 claims description 3
- 230000007306 turnover Effects 0.000 abstract description 6
- 238000000034 method Methods 0.000 description 6
- 230000008569 process Effects 0.000 description 5
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000013507 mapping Methods 0.000 description 1
- 230000007246 mechanism Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000001737 promoting effect Effects 0.000 description 1
- 238000012549 training Methods 0.000 description 1
Classifications
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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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- 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
- F16M11/42—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
- G09B11/00—Teaching hand-writing, shorthand, drawing, or painting
- G09B11/10—Teaching painting
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Business, Economics & Management (AREA)
- Physics & Mathematics (AREA)
- Educational Administration (AREA)
- Educational Technology (AREA)
- General Physics & Mathematics (AREA)
- Theoretical Computer Science (AREA)
- Mechanical Engineering (AREA)
- Overhead Projectors And Projection Screens (AREA)
Abstract
The invention discloses real-time projection equipment for painting teaching, which relates to the field of painting teaching equipment and comprises a lifting type desktop and an adjustable camera, wherein a display screen capable of being lifted and lowered in a turnover way is arranged at the bottom of the lifting type desktop, a multifunctional connecting seat is arranged on the back surface of the display screen and comprises a clamping seat, a sliding block is arranged in the clamping seat and used for adjusting the vertical turnover angle of the display screen by pushing the sliding block back and forth, the sliding block horizontally rotates and is used for adjusting the left and right rotation angle of the display screen, the display screen is fixed in a storage bin through the clamping seat when being stored, and the display screen is fixed on the front side of the lifting type desktop through the clamping seat when being used.
Description
Technical Field
The invention relates to the technical field of painting teaching equipment, in particular to real-time projection equipment for painting teaching.
Background
At present, many children learn in class and other extracurricular interest class learning is performed to cultivate the diversified development of children, and the painting is widely welcome by parents as an art form well known by the masses, so that many parents can send the children to a special painting training mechanism for learning, and many children are not one-to-one in the painting teaching process, so that the content and the details painted by a teacher are projected and displayed in real time by projection equipment, and the student sightseeing is facilitated.
The current drawing teaching process needs to use a camera to carry out real-time shooting on the drawing desktop of a teacher, then is connected with the camera through hanging a display screen, and carries out real-time shooting and mapping of a shooting picture, but in the actual use process, the display screen is more troublesome to be connected with the installation of the camera, and is usually directly fixed on a wall surface, the use place is very limited, the display screen lacks necessary protection when not in use, the display angle of the display screen cannot be adjusted pertinently in the use process, and inconvenience exists, so that the real-time shooting equipment for drawing teaching is provided to solve the problems.
Disclosure of Invention
Aiming at the defects of the prior art, the invention discloses real-time projection equipment for painting teaching, which aims to solve the problems in the background art.
In order to achieve the above purpose, the invention is realized by the following technical scheme: the utility model provides a real-time projection equipment that drawing teaching was used, includes the over-and-under type desktop that the drawing was used and installs in the adjustable camera at over-and-under type desktop top, the display screen that can overturn and go up and down is installed to the bottom of over-and-under type desktop, adjustable camera is connected with display screen signal transmission, the storage bin is installed to the bottom of over-and-under type desktop, the internally mounted of storage bin has the promotion frame that is used for promoting the display screen to remove, the back bottom activity of display screen articulates there is L shape support arm, promote frame and L shape support arm swing joint;
the back of the display screen is slidably connected with a sliding seat, a multifunctional connecting seat is arranged in the sliding seat, the multifunctional connecting seat comprises a clamping seat, a sliding block is arranged in the clamping seat, two ends of the sliding block are movably hinged with connecting strips, and the connecting strips are movably hinged with the sliding seat;
the sliding block is pushed back and forth and is used for adjusting the vertical overturning angle of the display screen, the sliding block horizontally rotates and is used for adjusting the left and right rotating angle of the display screen, the display screen is fixed inside the storage bin through the clamping seat when stored, and the display screen is fixed on the front side of the lifting type desktop through the clamping seat when used.
Preferably, the front side top sliding connection of lift desktop has the camera support arm, the bottom fixedly connected with supporting shoe of lift desktop, the top activity grafting of camera support arm has the extension arm, adjustable camera rotates the front end of connecting at the extension arm to adopt the bolt to fasten, the equal threaded connection in terminal both sides of cassette has fixing bolt, the cassette passes through fixing bolt to be installed in the bottom of camera support arm top or supporting shoe.
Preferably, the spout has been seted up at the top of cassette, the top fixedly connected with hexagonal spliced pole of sliding block, hexagonal spliced pole sliding connection is in the inside of spout, the surface activity of hexagonal spliced pole has cup jointed the regulation handle, the fixed welding in top of hexagonal spliced pole has the fixed double-screw bolt, the surface threaded connection of fixed double-screw bolt has the locking lid, the regulation handle is tightly fixed in the spout top through the locking lid screw.
Preferably, the inside sliding connection of sliding seat has the loose axle, two sets of the tip of connecting strip respectively activity hinge in the both ends of loose axle, the back fixed mounting of display screen has the slide rail, sliding seat sliding connection is at the surface of slide rail, the equal fixedly connected with first free bearing in the back both sides of display screen, the inside longitudinal hinging of first free bearing has the second free bearing, the inside transverse hinging of second free bearing has the connecting rod, connecting rod and L shape support arm activity hinge.
Preferably, one end fixedly connected with T shape post of L shape support arm, the other end activity of L shape support arm articulates there is the slip stopper, the bottom fixedly connected with hanger rail of lift desktop, T shape post sliding connection is in the inside of connecting rod, slip stopper sliding connection is at the surface of hanger rail.
Preferably, two sets of opposite one sides of L shape support arm rotate and are connected with the connecting axle, the movable groove has been seted up on the top of pushing away the frame, connecting axle sliding connection is in the inside of movable groove, the interior top fixed mounting of storage bin has the track, it is at orbital surface to push away frame sliding connection, the internally mounted of storage bin has the servo motor that is used for driving to promote the frame and removes.
Preferably, two groups of pushing frames are fixedly connected with a connecting plate, the output end of the servo motor is fixedly provided with a driving screw rod, the connecting plate is in threaded connection with the outer surface of the driving screw rod, the bottom of the front end of the storage bin is movably hinged with a bin cover, electric lifting legs are arranged on two sides of the storage bin, and the tail end of the storage bin is provided with a control switch used for controlling the electric lifting legs and the servo motor to start and stop.
Preferably, the limiting grooves are formed in the front side and the top of the lifting type tabletop, the guide rail is fixedly connected to the top of the limiting grooves, the motor-driven adjusting screw rod is mounted in the limiting grooves, the control switch is connected with the motor in a control mode, the anti-falling base is fixedly connected to the bottom of the camera supporting arm, and the anti-falling base is in threaded connection with the adjusting screw rod.
Preferably, the lower surface of the anti-drop base is fixedly connected with a positioning block, and the positioning block is movably sleeved on the outer surface of the guide rail.
Preferably, the top of lift desktop is provided with the L shape layering that is used for pressing solid drawing paper, the middle part rotation of lift desktop is connected with the upset connecting rod, the fixed welding in top of L shape layering has the anticreep cutting, the activity of anticreep cutting is pegged graft in the inside of upset connecting rod.
The invention discloses a real-time projection device for painting teaching, which has the following beneficial effects:
1. through setting up the storage bin in lift desktop bottom, set up multi-functional connecting seat simultaneously in the back of display screen, this multi-functional connecting seat can be respectively with supporting shoe and camera support arm fixed when receiving and storing and using on the one hand to reach the effect of fixed display screen, on the other hand is through carrying out the push-and-pull with fixing bolt along the spout when using, makes the display screen carry out the regulation of fore-and-aft flip angle; the adjusting handle is screwed, so that the display screen can be adjusted in left and right angles, the display can be protected conveniently, and the angle can be adjusted conveniently when the display screen is used;
2. the servo motor is started through the control switch, so that the driving screw rod rotates, at the moment, the two groups of pushing frames slide outwards along the track, the L-shaped supporting arm finally moves to the opening of the storage bin, at the moment, the display screen is turned upwards, the connecting shaft moves in the movable groove, and finally the display screen is erected on the front side of the lifting tabletop, so that the display screen is supported and fixed during storage and use;
3. through upwards overturning 90 degrees with the upset connecting rod, then lay drawing paper on the upper surface of lift desktop, then turn over the upset connecting rod downwards for two sets of L shape layering press on the paper, then promote two sets of L shape layering to both sides, make L shape layering remove to the both sides surface of paper, smooth out the plane with paper with this, press solid simultaneously.
Drawings
FIG. 1 is a schematic view of the overall outer surface structure of the present invention;
FIG. 2 is a schematic view of the back structure of the lifting table top of the present invention;
FIG. 3 is a schematic view of a storage structure of a display screen according to the present invention;
FIG. 4 is a schematic view of the internal structure of the storage bin of the invention;
FIG. 5 is a schematic view of the back structure of the display screen of the present invention;
FIG. 6 is a schematic view of the outer surface structure of the L-shaped support arm of the present invention;
FIG. 7 is an exploded view of the internal structure of the multifunctional connecting seat of the present invention;
FIG. 8 is a cross-sectional view of the inner side wall structure of the lift-type desktop of the present invention;
fig. 9 is an enlarged view of the part a structure of fig. 8 according to the present invention.
In the figure: 1. a lifting table top; 2. a storage bin; 3. a display screen; 4. an adjustable camera; 5. an L-shaped pressing strip; 6. a camera support arm; 7. an electric lifting leg; 8. a control switch; 9. a bin cover; 101. a clamping seat; 102. a fixing bolt; 103. a connecting strip; 104. a chute; 105. a sliding block; 106. hexagonal connecting columns; 107. fixing a stud; 108. adjusting the handle; 109. a locking cover; 11. an L-shaped support arm; 12. a pushing frame; 13. a connecting plate; 14. a movable groove; 15. a hanger rail; 16. a support block; 17. a track; 18. driving a screw rod; 19. a servo motor; 20. a connecting shaft; 21. a slide rail; 22. a first hinge support; 23. a sliding limiting block; 24. a T-shaped column; 25. a connecting rod; 26. a second hinge support; 27. a sliding seat; 28. a movable shaft; 29. an extension arm; 30. turning over the connecting rod; 31. anti-drop cutting; 32. an anti-drop base; 33. a limit groove; 34. a guide rail; 35. a positioning block; 36. and adjusting the screw rod.
Detailed Description
The embodiment of the invention discloses real-time projection equipment for painting teaching, which is shown in fig. 1-9, and the technical scheme in the embodiment of the invention is clearly and completely described below by means of the embodiment by combining the drawings in the invention.
Example 1
As shown in fig. 1-9, a real-time projection device for painting teaching comprises a lifting type desktop 1 for painting and an adjustable camera 4 arranged at the top of the lifting type desktop 1, wherein a display screen 3 capable of being overturned and lifted is arranged at the bottom of the lifting type desktop 1, the adjustable camera 4 is in signal transmission connection with the display screen 3, a storage bin 2 is arranged at the bottom of the lifting type desktop 1, a pushing frame 12 for pushing the display screen 3 to move is arranged in the storage bin 2, an L-shaped supporting arm 11 is movably hinged at the bottom of the back of the display screen 3, and the pushing frame 12 is movably connected with the L-shaped supporting arm 11;
the back of the display screen 3 is slidably connected with a sliding seat 27, a multifunctional connecting seat is arranged in the sliding seat 27, the multifunctional connecting seat comprises a clamping seat 101, a sliding block 105 is arranged in the clamping seat 101, two ends of the sliding block 105 are movably hinged with connecting strips 103, and the connecting strips 103 are movably hinged with the sliding seat 27;
the sliding block 105 is pushed back and forth to be used for adjusting the vertical turnover angle of the display screen 3, the sliding block 105 is horizontally rotated to be used for adjusting the left and right rotation angle of the display screen 3, the display screen 3 is fixed in the storage bin 2 through the clamping seat 101 when being stored, and the display screen 3 is fixed on the front side of the lifting type desktop 1 through the clamping seat 101 when being used.
The front side top sliding connection of lift desktop 1 has camera support arm 6, and the bottom fixedly connected with supporting shoe 16 of lift desktop 1, and the top activity grafting of camera support arm 6 has extension arm 29, and adjustable camera 4 rotates the front end of connecting at extension arm 29 to adopt the bolt to fasten, the terminal both sides of cassette 101 all threaded connection has fixing bolt 102, and cassette 101 passes through fixing bolt 102 to be installed in the bottom of camera support arm 6 top or supporting shoe 16.
The top of cassette 101 has seted up spout 104, and hexagonal spliced pole 106 is fixedly connected with at the top of sliding block 105, and hexagonal spliced pole 106 sliding connection is in the inside of spout 104, and the surface activity of hexagonal spliced pole 106 has cup jointed adjustment handle 108, and the fixed welding in top of hexagonal spliced pole 106 has fixed double-screw bolt 107, and the surface threaded connection of fixed double-screw bolt 107 has locking lid 109, and adjustment handle 108 is through locking lid 109 screw press to be fixed in spout 104 top.
The inside sliding connection of sliding seat 27 has loose axle 28, and the tip of two sets of connecting strips 103 articulates in the both ends of loose axle 28 respectively, and the back fixed mounting of display screen 3 has slide rail 21, and sliding seat 27 sliding connection is at the surface of slide rail 21, and the equal fixedly connected with first free bearing 22 in the back both sides of display screen 3, and the inside longitudinal hinging of first free bearing 22 has second free bearing 26, and the inside transverse hinging of second free bearing 26 has connecting rod 25, and connecting rod 25 and L shape support arm 11 activity hinge.
One end of the L-shaped supporting arm 11 is fixedly connected with a T-shaped column 24, the other end of the L-shaped supporting arm 11 is movably hinged with a sliding limiting block 23, the bottom of the lifting type desktop 1 is fixedly connected with a hanging rail 15, the T-shaped column 24 is slidably connected inside a connecting rod 25, and the sliding limiting block 23 is slidably connected on the outer surface of the hanging rail 15.
The opposite sides of the two groups of L-shaped supporting arms 11 are rotatably connected with a connecting shaft 20, the top end of the pushing frame 12 is provided with a movable groove 14, the connecting shaft 20 is slidably connected in the movable groove 14, a track 17 is fixedly arranged at the inner top of the storage bin 2, the pushing frame 12 is slidably connected to the outer surface of the track 17, and a servo motor 19 for driving the pushing frame 12 to move is arranged in the storage bin 2.
A connecting plate 13 is fixedly connected between the two groups of pushing frames 12, a driving screw rod 18 is fixedly arranged at the output end of a servo motor 19, the connecting plate 13 is in threaded connection with the outer surface of the driving screw rod 18, a bin cover 9 is movably hinged to the bottom of the front end of the storage bin 2, electric lifting legs 7 are arranged on two sides of the storage bin 2, a control switch 8 is arranged at the tail end of the storage bin 2, and the control switch 8 is used for controlling the electric lifting legs 7 and the servo motor 19 to start and stop.
Limiting grooves 33 are formed in the front side and the top of the lifting table top 1, guide rails 34 are fixedly connected inside the limiting grooves 33, motor-driven adjusting screw rods 36 are mounted inside the limiting grooves 33 on the front side, the control switch 8 is connected with a motor, an anti-falling base 32 is fixedly connected to the bottom of the camera supporting arm 6, and the anti-falling base 32 is in threaded connection with the adjusting screw rods 36.
The lower surface of the anti-drop base 32 is fixedly connected with a positioning block 35, and the positioning block 35 is movably sleeved on the outer surface of the guide rail 34.
The top of lifting desktop 1 is provided with the L shape layering 5 that is used for pressing the solid drawing paper, and the middle part rotation of lifting desktop 1 is connected with upset connecting rod 30, and the fixed welding in top of L shape layering 5 has anticreep cutting 31, and anticreep cutting 31 activity is pegged graft in the inside of upset connecting rod 30.
The working principle is as follows; in the storage state, the display screen 3 is positioned in the storage bin 2, and meanwhile, the clamping seat 101 is fixed on the outer surface of the supporting block 16 through the fixing bolt 102, so that the display screen 3 is in a hanging state, and the display screen 3 is conveniently stored and protected in a non-use state;
when the lifting type desktop is required to be used, the bin cover 9 is turned over and opened, then the fixing bolts 102 on the two sides are unscrewed, the clamping seat 101 is pulled by hand at the moment, then the servo motor 19 is started through the control switch 8, so that the driving screw rod 18 rotates, at the moment, the two groups of pushing frames 12 slide outwards along the track 17, finally the L-shaped supporting arm 11 moves to the opening of the storage bin 2, at the moment, the display screen 3 is turned upwards, the connecting shaft 20 moves in the movable groove 14, at the moment, the display screen 3 is erected on the front side of the lifting type desktop 1, and at the moment, the clamping seat 101 is fixed on the outer surface of the camera supporting arm 6 through the fixing bolts 102;
then the turnover connecting rod 30 is turned upwards by 90 degrees, the painting paper is flatly paved on the upper surface of the lifting type desktop 1, then the turnover connecting rod 30 is turned downwards, so that two groups of L-shaped pressing strips 5 are pressed on the paper surface, then the two groups of L-shaped pressing strips 5 are pushed to two sides, the L-shaped pressing strips 5 are moved to the two side surfaces of the paper, so that the paper is smoothed out and pressed and fixed at the same time, then the adjusting screw rod 36 is started to rotate through the control switch 8, at the moment, the camera supporting arm 6 slides along the limiting groove 33, the extension arm 29 is stretched outwards, the adjustable camera 4 is rotated and fastened through bolts, so that the adjustable camera 4 is opposite to the painting paper, and the sliding seat 27 slides along the sliding rail 21 in the process;
then the locking cover 109 is unscrewed, the fixed stud 107 is pushed and pulled along the chute 104, at the moment, the movable shaft 28 rotates in the sliding seat 27 and slides simultaneously, and meanwhile, the second hinge seat 26 rotates in the first hinge seat 22, so that the display screen 3 can be adjusted in front-back overturning angle; then twist the adjustment handle 108 for the connecting strip 103 of adjustment handle 108 both sides takes place to promote back and forth, thereby drives display screen 3 and controls the angle adjustment, and simultaneously this in-process connecting rod 25 rotates when the surface of T shape post 24 takes place to slide simultaneously, then screws up locking lid 109, is convenient for carry out the multi-angle to display screen 3 when using with this.
At this time, the electric lifting legs 7 are adjusted to stretch out and draw back through the control switch 8, so that the height of the lifting type desktop 1 is adjusted, a teacher can conveniently draw on the lifting type desktop 1, and meanwhile, a real-time picture is shot through the adjustable camera 4, a shot picture is projected through the display screen 3, and drawing, teaching and displaying are facilitated.
The foregoing has shown and described the basic principles and main features of the present invention and the 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 that the above embodiments and descriptions are merely 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 is defined in the appended claims. The scope of the invention is defined by the appended claims and equivalents thereof.
Claims (4)
1. The utility model provides a real-time projection equipment that drawing teaching was used, includes over-and-under type desktop (1) and installs in adjustable camera (4) at over-and-under type desktop (1) top that the drawing was used, but display screen (3) that the upset was gone up and down are installed to the bottom of over-and-under type desktop (1), adjustable camera (4) are connected its characterized in that with display screen (3) signal transmission: the lifting type desktop is characterized in that a storage bin (2) is arranged at the bottom of the lifting type desktop (1), a pushing frame (12) for pushing the display screen (3) to move is arranged in the storage bin (2), an L-shaped supporting arm (11) is movably hinged to the bottom of the back of the display screen (3), and the pushing frame (12) is movably connected with the L-shaped supporting arm (11);
the back of the display screen (3) is slidably connected with a sliding seat (27), a multifunctional connecting seat is arranged in the sliding seat (27), the multifunctional connecting seat comprises a clamping seat (101), a sliding block (105) is arranged in the clamping seat (101), two ends of the sliding block (105) are movably hinged with connecting strips (103), and the connecting strips (103) are movably hinged with the sliding seat (27);
the sliding block (105) is pushed back and forth to adjust the vertical overturning angle of the display screen (3), the sliding block (105) horizontally rotates to adjust the left-right rotating angle of the display screen (3), the display screen (3) is fixed in the storage bin (2) through the clamping seat (101) when stored, and the display screen (3) is fixed on the front side of the lifting type desktop (1) through the clamping seat (101) when used;
the lifting type desktop is characterized in that a camera supporting arm (6) is slidably connected to the top of the front side of the lifting type desktop (1), a supporting block (16) is fixedly connected to the bottom of the lifting type desktop (1), an extension arm (29) is movably inserted into the top of the camera supporting arm (6), an adjustable camera (4) is rotatably connected to the front end of the extension arm (29) and fastened by bolts, fixing bolts (102) are connected to two sides of the tail end of a clamping seat (101) in a threaded mode, and the clamping seat (101) is mounted on the top of the camera supporting arm (6) or the bottom of the supporting block (16) through the fixing bolts (102);
the sliding block is characterized in that a sliding groove (104) is formed in the top of the clamping seat (101), a hexagonal connecting column (106) is fixedly connected to the top of the sliding block (105), the hexagonal connecting column (106) is slidably connected to the inside of the sliding groove (104), an adjusting handle (108) is movably sleeved on the outer surface of the hexagonal connecting column (106), a fixing stud (107) is fixedly welded to the top of the hexagonal connecting column (106), a locking cover (109) is connected to the outer surface of the fixing stud (107) in a threaded mode, and the adjusting handle (108) is screwed and pressed on the top of the sliding groove (104) through the locking cover (109);
the inside sliding connection of sliding seat (27) has loose axle (28), and the tip of two sets of connecting strip (103) articulates in the both ends of loose axle (28) respectively, the back fixed mounting of display screen (3) has slide rail (21), sliding seat (27) sliding connection is at the surface of slide rail (21), the back both sides of display screen (3) are all fixedly connected with first free bearing (22), the inside longitudinal hinging of first free bearing (22) has second free bearing (26), the inside transverse hinging of second free bearing (26) has connecting rod (25), connecting rod (25) and L shape support arm (11) activity hinge;
one end of the L-shaped supporting arm (11) is fixedly connected with a T-shaped column (24), the other end of the L-shaped supporting arm (11) is movably hinged with a sliding limiting block (23), the bottom of the lifting table top (1) is fixedly connected with a hanging rail (15), the T-shaped column (24) is slidably connected inside a connecting rod (25), and the sliding limiting block (23) is slidably connected on the outer surface of the hanging rail (15);
the two groups of L-shaped supporting arms (11) are rotatably connected with a connecting shaft (20) on one side opposite to each other, a movable groove (14) is formed in the top end of each pushing frame (12), the connecting shaft (20) is slidably connected in the movable groove (14), a track (17) is fixedly arranged on the inner top of each storage bin (2), each pushing frame (12) is slidably connected to the outer surface of each track (17), and a servo motor (19) for driving each pushing frame (12) to move is arranged in each storage bin (2);
two sets of fixedly connected with connecting plate (13) between pushing away frame (12), servo motor (19) output has drive lead screw (18), connecting plate (13) threaded connection is at the surface of drive lead screw (18), the front end bottom activity of accomodating storehouse (2) articulates there is storehouse lid (9), electric lift leg (7) are all installed to the both sides of accomodating storehouse (2), control switch (8) are installed to the end of accomodating storehouse (2), control switch (8) are used for controlling electric lift leg (7) and servo motor (19) start and stop.
2. A real-time projection apparatus for painting teaching according to claim 1 and characterized in that: limiting grooves (33) are formed in the front side and the top of the lifting type table top (1), guide rails (34) are fixedly connected to the inside of the limiting grooves (33), motor-driven adjusting screw rods (36) are mounted in the inside of the limiting grooves (33) on the front side, the control switch (8) is connected with motor control, an anti-falling base (32) is fixedly connected to the bottom of the camera supporting arm (6), and the anti-falling base (32) is in threaded connection with the adjusting screw rods (36).
3. A real-time projection apparatus for painting teaching according to claim 2 and characterized in that: the lower surface of the anti-drop base (32) is fixedly connected with a positioning block (35), and the positioning block (35) is movably sleeved on the outer surface of the guide rail (34).
4. A real-time projection apparatus for painting teaching according to claim 1 and characterized in that: the top of lift desktop (1) is provided with L shape layering (5) that are used for pressing solid drawing paper, the middle part of lift desktop (1) rotates and is connected with upset connecting rod (30), the fixed welding in top of L shape layering (5) has anticreep cutting (31), anticreep cutting (31) activity grafting is in the inside of upset connecting rod (30).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202310856808.9A CN116580605B (en) | 2023-07-13 | 2023-07-13 | Real-time projection equipment for painting teaching |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202310856808.9A CN116580605B (en) | 2023-07-13 | 2023-07-13 | Real-time projection equipment for painting teaching |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN116580605A CN116580605A (en) | 2023-08-11 |
| CN116580605B true CN116580605B (en) | 2023-09-08 |
Family
ID=87534538
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202310856808.9A Active CN116580605B (en) | 2023-07-13 | 2023-07-13 | Real-time projection equipment for painting teaching |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN116580605B (en) |
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