CN115447310A - Online and offline combined teaching equipment - Google Patents
Online and offline combined teaching equipment Download PDFInfo
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- CN115447310A CN115447310A CN202211038324.5A CN202211038324A CN115447310A CN 115447310 A CN115447310 A CN 115447310A CN 202211038324 A CN202211038324 A CN 202211038324A CN 115447310 A CN115447310 A CN 115447310A
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- fixedly connected
- connecting rod
- blackboard
- support
- frame
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B43—WRITING OR DRAWING IMPLEMENTS; BUREAU ACCESSORIES
- B43L—ARTICLES FOR WRITING OR DRAWING UPON; WRITING OR DRAWING AIDS; ACCESSORIES FOR WRITING OR DRAWING
- B43L21/00—Blackboard or slate cleaning devices
- B43L21/02—Blackboard or slate cleaning devices with means for absorbing the chalk dust
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- A—HUMAN NECESSITIES
- A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
- A47B—TABLES; DESKS; OFFICE FURNITURE; CABINETS; DRAWERS; GENERAL DETAILS OF FURNITURE
- A47B97/00—Furniture or accessories for furniture, not provided for in other groups of this subclass
- A47B97/04—Easels or stands for blackboards or the like
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B43—WRITING OR DRAWING IMPLEMENTS; BUREAU ACCESSORIES
- B43L—ARTICLES FOR WRITING OR DRAWING UPON; WRITING OR DRAWING AIDS; ACCESSORIES FOR WRITING OR DRAWING
- B43L1/00—Repeatedly-usable boards or tablets for writing or drawing
- B43L1/04—Blackboards
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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
- G09B5/08—Electrically-operated educational appliances providing for individual presentation of information to a plurality of student stations
- G09B5/14—Electrically-operated educational appliances providing for individual presentation of information to a plurality of student stations with provision for individual teacher-student communication
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- 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)
- Drawing Aids And Blackboards (AREA)
Abstract
The invention relates to the field of engineering, in particular to an online-offline combined teaching device which can automatically erase a blackboard, suck chalks away, record blackboard contents and project book contents to realize multifunctional online-offline combined teaching, and comprises a liftable blackboard device, a dust absorption device, a camera device, a case device, a projection device and a first electric wire, wherein a second starting motor drives a second rotating wheel to rotate, drives a second belt to rotate, drives a first sliding plate to move, drives an eraser to move transversely, and a scanner scans characters on the blackboard, drives a third motor to start, drives a second gear to rotate, drives the eraser to move longitudinally on the first sliding plate to clean the blackboard; the fan blade is driven to rotate by the starting motor, so that chalk dust is sucked from the dust inlet, and the chalk dust falls into the storage box II.
Description
Technical Field
The invention relates to the field of engineering, in particular to online and offline combined teaching equipment.
Background
The online and offline combined teaching equipment is a common engineering machine, for example, an online and offline teaching dedicated whiteboard with the patent number of CN213322375U, the device comprises a base, a whiteboard, a standby whiteboard and a lifting device, wherein the base is connected with a fixing rod, the whiteboard is slidably arranged on the fixing rod, the lifting device is connected with the whiteboard, the lifting device can drive the whiteboard to move up and down, the standby whiteboard is slidably arranged on the whiteboard, the standby whiteboard can slide up and down on the whiteboard, the bottom of the standby whiteboard can be located below the whiteboard, the standby whiteboard is fixed on the whiteboard through a limiting mechanism, but the device is not flexible enough, and the function is single.
Disclosure of Invention
The invention aims to provide an online and offline combined teaching device which can automatically erase a blackboard, suck chalk away, record blackboard contents and project book contents, and realizes multifunctional online and offline combined teaching.
The purpose of the invention is realized by the following technical scheme:
the online and offline combined teaching equipment comprises a liftable blackboard device, a dust absorption device, a camera device, a case device, a projection device and a first electric wire, wherein the liftable blackboard device is connected with the camera device, the dust absorption device is connected with the camera device, the liftable blackboard device is connected with the case device, the liftable blackboard device is connected with the projection device, the camera device is connected with the first electric wire, and the projection device is connected with the first electric wire.
As a further optimization of the technical scheme, the invention relates to an online-offline combination teaching device, which comprises a first base, a first motor, a first gear, a first upper bracket, a first rotating wheel, a first belt, a blackboard outer frame, a spliced blackboard, projection cloth, a second motor, a second rotating wheel, a second belt, a first sliding plate, a first blackboard eraser, a third motor, a second gear, a scanner, a first connecting rod, a second connecting rod, a supporting plate and a first storage box, wherein the first motor is fixedly connected with the first gear, the first base is fixedly connected with the first upper bracket, the first base is slidably connected with the first upper bracket, the first gear is fixedly connected with the first rotating wheel, the first rotating wheel is fixedly connected with the first belt, the first upper bracket is fixedly connected with the blackboard outer frame, the blackboard outer frame is fixedly connected with the spliced blackboard, the blackboard outer frame is rotatably connected with the projection cloth, the second motor is fixedly connected with the second rotating wheel, the second rotating wheel is fixedly connected with the second belt, the second belt is fixedly connected with the first sliding plate, the blackboard eraser is slidably connected with the first sliding plate, the first sliding plate is slidably connected with the sliding plate, the first sliding plate is fixedly connected with the second connecting rod, the second connecting rod is fixedly engaged with the supporting plate, the first blackboard outer frame is fixedly connected with the supporting plate, and the second support plate is fixedly connected with the first blackboard outer frame.
As a further optimization of the technical scheme, the online-offline combination teaching equipment comprises a first shell, a first leg frame, an ash inlet, a filter screen, a fourth motor, fan blades, a handle and a second storage box, wherein the first shell is fixedly connected with the first leg frame, the ash inlet is formed in the first shell, the first shell is fixedly connected with the filter screen, the first shell is fixedly connected with the fourth motor, the fourth motor is fixedly connected with the fan blades, the handle is fixedly connected with the second storage box, and the first shell is slidably connected with the second storage box.
As a further optimization of the technical scheme, the online-offline combination teaching equipment comprises a second support, a lamp panel, a third connecting rod, a first air cylinder, a second air cylinder, a fourth connecting rod, a camera, a second electric wire, a fifth connecting rod and a projector, wherein the three lamp panels are rotatably connected with the second support, the second support is rotatably connected with the third connecting rod, the second support is rotatably connected with the first air cylinder, the third connecting rod is rotatably connected with the second air cylinder, the second air cylinder is rotatably connected with the fourth connecting rod, the third connecting rod is rotatably connected with the fourth connecting rod, the fourth connecting rod is rotatably connected with the camera, the camera is fixedly connected with the second electric wire, the second support is fixedly connected with the fifth connecting rod, the fifth connecting rod is rotatably connected with the projector, a blackboard outer frame is fixedly connected with the second support, the first shell is fixedly connected with the second support, and the projector is fixedly connected with the first electric wire.
As a further optimization of the technical scheme, the invention relates to an online-offline combination teaching device, wherein a case device comprises a first connecting frame, a first outer frame, a rotating knob, a baffle, a six connecting rod, a first slider, a case, a third electric wire, a display, a first pulley, a second base, a third rotating rod, a third gear, a second upper frame, a second supporting plate, a horn support and a horn, the first connecting frame is rotatably connected with the first outer frame, the first outer frame is rotatably connected with the rotating knob, the plurality of baffles are slidably connected with the first outer frame, the six connecting rod is rotatably connected with the slider, the baffle is slidably connected with the first slider, the first outer frame is fixedly connected with the case, the case is fixedly connected with the third electric wire, the third electric wire is fixedly connected with the display, the first outer frame is rotatably connected with the pulley, the first outer frame is fixedly connected with the second base, the third rotating rod is fixedly connected with the third gear, the third gear is in meshing transmission with the second upper frame, the second base is slidably connected with the second upper frame, the second upper frame is fixedly connected with the second supporting plate, the display is fixedly connected with the second supporting plate, the second supporting plate is fixedly connected with the horn support, and the horn support is connected with the outer frame.
As a further optimization of the technical scheme, the online-offline combined teaching device comprises a second connecting frame, a second outer frame, a second pulley, a fifth support, a third support plate, a projection groove, a sixth support base, a seventh upper support, a seventh connecting rod, a third cylinder, a fourth cylinder and a scanner, wherein the second connecting frame is rotatably connected with the second outer frame, the second outer frame is rotatably connected with the second pulley, the second outer frame is fixedly connected with the fifth support, the fifth support is fixedly connected with the third support plate, the projection groove is formed in the third support plate, the third support plate is fixedly connected with the sixth support base, the sixth support base is rotatably connected with the seventh upper support, the seventh upper support is slidably connected with the seventh connecting rod, the seventh connecting rod is fixedly connected with the third cylinder, the seventh connecting rod is fixedly connected with the fourth cylinder, the fourth cylinder is fixedly connected with the scanner, the second connecting frame is rotatably connected with a blackboard outer frame, and the fourth cylinder is fixedly connected with the first wire.
The on-line and off-line combined teaching equipment has the beneficial effects that:
according to the online-offline combined teaching device, a starting motor drives a gear I to rotate, drives a runner I to rotate, drives a belt I to rotate, further drives two runners I to rotate, drives two gears I to rotate, drives an upper bracket I to ascend or descend, drives a blackboard outer frame to ascend or descend, drives a spliced blackboard to ascend or descend, chalks and tools can be placed in a storage box I, rotates a connecting rod I and a connecting rod II, further changes the position of a supporting plate, further changes the position of the storage box I, starts a motor II to drive a runner II to rotate, drives a belt II to rotate, drives a sliding plate I to move, drives a blackboard eraser to move transversely, scans characters on the blackboard through a scanner, drives a motor III to start, drives a gear II to rotate, drives the blackboard eraser to move longitudinally on the sliding plate I, and further cleans the blackboard; the fan blade is driven to rotate by the starting motor, so that chalk dust is sucked from the dust inlet, and falls into the storage box II.
Drawings
The invention is described in further detail below with reference to the accompanying drawings and specific embodiments.
FIG. 1 is a first general structural diagram of the present invention;
FIG. 2 is a schematic view of the overall structure of the present invention;
FIG. 3 is a first structural diagram of the liftable blackboard device of the present invention;
FIG. 4 is a schematic structural view of a liftable blackboard device of the present invention;
FIG. 5 is a third schematic view of the liftable blackboard device of the present invention;
FIG. 6 is a fourth schematic structural view of the liftable blackboard device of the present invention;
FIG. 7 is a first schematic view of the dust absorption apparatus of the present invention;
FIG. 8 is a second schematic view of the dust absorption apparatus of the present invention;
FIG. 9 is a first structural diagram of an image capturing device according to the present invention;
FIG. 10 is a second schematic structural diagram of an image capturing device according to the present invention;
FIG. 11 is a first structural diagram of a housing apparatus according to the present invention;
FIG. 12 is a second block diagram of the housing apparatus of the present invention;
FIG. 13 is a third schematic structural diagram of a housing apparatus according to the present invention;
FIG. 14 is a first structural diagram of a projection apparatus according to the present invention;
fig. 15 is a second structural schematic diagram of the projection apparatus according to the invention.
In the figure: 1. a liftable blackboard device; 101. a first base; 102. a first motor; 103. a first gear; 104. an upper bracket I; 105. a first rotating wheel; 106. a first belt; 107. a blackboard outer frame; 108. splicing the blackboard; 109. a projection cloth; 110. a second motor; 111. a second rotating wheel; 112. a second belt; 113. a first sliding plate; 114. a blackboard eraser; 115. a third motor; 116. a second gear; 117. a scanner; 118. a first connecting rod; 119. a second connecting rod; 120. a support plate; 121. a first storage box; 2. a dust absorption device; 201. a first shell; 202. a first leg frame; 203. an ash inlet; 204. filtering with a screen; 205. a motor IV; 206. a fan blade; 207. a handle; 208. a second storage box; 3. a camera device; 301. a second bracket; 302. a lamp panel; 303. a third connecting rod; 304. a first cylinder; 305. a second air cylinder; 306. a connecting rod IV; 307. a camera; 308. a second electric wire; 309. a connecting rod V; 310. a projector; 4. a chassis device; 401. a first connecting frame; 402. a first outer frame; 403. turning a knob; 404. a baffle plate; 405. a connecting rod six; 406. a first sliding block; 407. a chassis; 408. a third wire; 409. a display; 410. a first pulley; 411. a second base; 412. a third rotating rod; 413. a third gear; 414. an upper bracket II; 415. a second support plate; 416. a horn support; 417. a horn; 5. a projection device; 501. a second connecting frame; 502. a second outer frame; 503. a second pulley; 504. a fifth bracket; 505. a third support plate; 506. a projection slot; 507. a bracket base six; 508. an upper bracket seven; 509. a connecting rod seven; 510. a third air cylinder; 511. a cylinder IV; 512. a scanner; 6. and a first electric wire.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings.
The fixed connection in the device is realized by fixing in modes of welding, thread fixing and the like, and different fixing modes are used in combination with different use environments; the rotary connection means that the bearing is arranged on the shaft in a drying mode, a spring retainer ring groove is formed in the shaft or the shaft hole, and the elastic retainer ring is clamped in the retainer ring groove to achieve axial fixation of the bearing and achieve rotation; the sliding connection refers to the connection through the sliding of the sliding block in the sliding groove or the guide rail; the hinge joint refers to a movable connection mode on a hinge, a pin shaft, a short shaft and other connection parts; the required sealing positions are sealed by sealing rings or O-shaped rings.
The first embodiment is as follows:
the embodiment is described below with reference to fig. 1 to 15, and an online-offline combination teaching apparatus includes a liftable blackboard device 1, a dust absorption device 2, a camera device 3, a case device 4, a projection device 5, and a first electric wire 6, where the liftable blackboard device 1 is connected to the camera device 3, the dust absorption device 2 is connected to the camera device 3, the liftable blackboard device 1 is connected to the case device 4, the liftable blackboard device 1 is connected to the projection device 5, the camera device 3 is connected to the first electric wire 6, and the projection device 5 is connected to the first electric wire 6.
The second embodiment is as follows:
the embodiment is described below with reference to fig. 1 to 15, and the embodiment further describes the first embodiment, where the liftable blackboard device 1 includes a first base 101, a first motor 102, a first gear 103, a first upper bracket 104, a first rotating wheel 105, a first belt 106, a blackboard outer frame 107, a spliced blackboard 108, a projection cloth 109, a second motor 110, a second rotating wheel 111, a second belt 112, a first sliding plate 113, a blackboard eraser 114, a third motor 115, a second gear 116, a scanner 117, a first connecting rod 118, a second connecting rod 119, a supporting plate 120, and a first storage box 121, the first motor 102 is fixedly connected with the first gear 103, the first base 101 is fixedly connected with the first upper bracket 104, the first base 101 is slidably connected with the first upper bracket 104, the first base 101 is in meshing transmission with the first gear 103, the first gear 103 is fixedly connected with the first rotating wheel 105, the first rotating wheel 105 is in matching connection with the first belt 106, the first upper bracket 104 is fixedly connected with a first blackboard outer frame 107, the first blackboard outer frame 107 is fixedly connected with a spliced blackboard 108, the first blackboard outer frame 107 is rotatably connected with projection cloth 109, the second motor 110 is fixedly connected with the second rotating wheel 111, the second rotating wheel 111 is matched and connected with the second belt 112, the second belt 112 is fixedly connected with the first sliding plate 113, the first blackboard outer frame 107 is slidably connected with the first sliding plate 113, the first sliding plate 113 is slidably connected with a blackboard eraser 114, the blackboard eraser 114 is fixedly connected with the third motor 115, the third motor 115 is fixedly connected with the second gear 116, the first sliding plate 113 is in meshing transmission with the second gear 116, the blackboard eraser 114 is fixedly connected with a scanner 117, the first blackboard outer frame 107 is rotatably connected with a first connecting rod 118, the first connecting rod 118 is hinged with a second connecting rod 119, the second connecting rod 119 is fixedly connected with a supporting plate 120, and the first supporting plate 120 is fixedly connected with a first accommodating box 121.
The third concrete implementation mode:
the dust absorption device 2 includes a first housing 201, a first leg 202, an ash inlet 203, a filter screen 204, a fourth motor 205, fan blades 206, a handle 207, and a second storage box 208, wherein the first housing 201 is fixedly connected to the first leg 202, the ash inlet 203 is disposed on the first housing 201, the first housing 201 is fixedly connected to the filter screen 204, the first housing 201 is fixedly connected to the fourth motor 205, the fourth motor 205 is fixedly connected to the fan blades 206, the handle 207 is fixedly connected to the second storage box 208, and the first housing 201 is slidably connected to the second storage box 208.
The fourth concrete implementation mode:
the present embodiment is described below with reference to fig. 1 to 15, and the present embodiment further describes the first embodiment, where the image pickup apparatus 3 includes a second bracket 301, a lamp panel 302, a third connecting rod 303, a first cylinder 304, a second cylinder 305, a fourth connecting rod 306, a camera 307, a second electric wire 308, a fifth connecting rod 309, and a projector 310, where the three lamp panels 302 are all rotatably connected to the second bracket 301, the second bracket 301 is hinged to the third connecting rod 303, the second bracket 301 is hinged to the first cylinder 304, the third connecting rod 303 is hinged to the second cylinder 305, the second cylinder 305 is hinged to the fourth connecting rod 306, the third connecting rod 303 is rotatably connected to the fourth connecting rod 306, the fourth connecting rod 306 is rotatably connected to the camera 307, the camera 307 is fixedly connected to the second electric wire 308, the second bracket 301 is fixedly connected to the fifth connecting rod 309, the fifth connecting rod 309 is rotatably connected to the projector 310, the blackboard 107 is fixedly connected to the second bracket 301, the first housing 201 is fixedly connected to the second bracket 301, and the projector 310 is fixedly connected to the first electric wire 6.
The fifth concrete implementation mode:
the following describes the present embodiment with reference to fig. 1 to 15, which further describes the first embodiment, the chassis device 4 includes a first connecting frame 401, a first outer frame 402, a first rotating knob 403, a baffle 404, a sixth connecting rod 405, a first slider 406, a chassis 407, a third wire 408, a display 409, a first pulley 410, a second base 411, a third rotating rod 412, a third gear 413, a second upper frame 414, a second supporting plate 415, a horn bracket 416, and a horn 417, the first connecting frame 401 is rotatably connected to the first outer frame 402, the first outer frame 402 is rotatably connected to the second rotating knob 403, the baffles 404 are slidably connected to the first outer frame 402, the sixth connecting rod 405 is rotatably connected to the first slider 406, the baffle 404 is slidably connected to the first slider 406, the first outer frame 402 is fixedly connected to the chassis 407, the chassis 407 is fixedly connected to the third wire 408, the third wire 408 is fixedly connected to the display 409, the first outer frame 402 is rotatably connected to the first pulley 410, the first outer frame 402 is fixedly connected to the second base 411, the third rotating rod 412 is fixedly connected to the gear 413, the third gear 413 is fixedly connected to the second gear, the second gear 415 is fixedly connected to the second bracket 415, the upper bracket 415 is fixedly connected to the display bracket 415, and the upper bracket 415, the support bracket 415 is fixedly connected to the display bracket 416, and the support plate 414, the support plate 416 is fixedly connected to the outer frame 414.
The sixth specific implementation mode:
the present embodiment is described below with reference to fig. 1 to 15, and the present embodiment further describes a first embodiment, where the projection apparatus 5 includes a second connecting frame 501, a second outer frame 502, a second pulley 503, a fifth support frame 504, a third support plate 505, a projection slot 506, a sixth support frame base 507, a seventh upper support frame 508, a seventh connecting rod 509, a third cylinder 510, a fourth cylinder 511, and a scanner 512, the second connecting frame 501 is rotatably connected with the second outer frame 502, the second outer frame 502 is rotatably connected with the second pulley 503, the second outer frame 502 is fixedly connected with the fifth support frame 504, the fifth support frame 504 is fixedly connected with the third support plate 505, the projection slot 506 is disposed on the third support plate 505, the third support plate 505 is fixedly connected with the sixth support frame base 507, the sixth support frame base 507 is rotatably connected with the seventh upper support frame 508, the seventh upper support frame 508 is slidably connected with the seventh connecting rod 509, the seventh connecting rod 509 is fixedly connected with the third cylinder 510, the seventh connecting rod 509 is fixedly connected with the fourth cylinder 511, the fourth cylinder 511 is fixedly connected with the scanner 512, the second connecting frame 501 is rotatably connected with the third upper support frame base 107, and the fourth cylinder is fixedly connected with the first blackboard 6.
The invention relates to an online and offline combined teaching device, which has the working principle that: starting a motor I102 to drive a gear I103 to rotate, driving a runner I105 to rotate, driving a belt I106 to rotate, further driving two runner I105 to rotate, driving two gear I103 to rotate, driving an upper bracket I104 to ascend or descend, driving a blackboard outer frame 107 to ascend or descend, driving a spliced blackboard 108 to ascend or descend, placing chalk and tools in a storage box I121, rotating a connecting rod I118 and a connecting rod II 119, further changing the position of a support plate 120, further changing the position of the storage box I121, starting a motor II 110 to drive a runner II 111 to rotate, driving a belt II 112 to rotate, driving a sliding plate I113 to move, driving an eraser 114 to move transversely, driving a scanner 117 to scan characters on the blackboard, driving a motor III 115 to start, driving a gear II 116 to rotate, driving the eraser 114 to move longitudinally on the sliding plate I113, and further cleaning the blackboard; the fourth motor 205 is started to drive the fan blades 206 to rotate, so that the chalk dust is sucked from the dust inlet 203, falls into the second storage box 208, the handle 207 is pulled, the second storage box 208 is pulled out, and the chalk dust can be poured; the lamp panel 302 is started to illuminate the lower part, the illumination angle can be changed by rotating the lamp panel 302, the camera 307 shoots the content on the blackboard and sends the content to students on line for study, the first cylinder 304 is started to drive the third connecting rod 303 to rotate, the second cylinder 305 is started to drive the fourth connecting rod 306 to rotate, and then the position of the camera 307 is changed; shooting contents are transmitted to the case 407 through the second electric wire 308, the contents on the blackboard are shot through the case 407, the third electric wire 408 and the display 409 and sent to students who study on the line, online students can inquire a lecturer through the loudspeaker 417, press the third rotating rod 412 downwards to drive the third gear 413 to rotate, drive the second upper support 414 to move upwards, pull the third gear 413 backwards, lift the third rotating rod 412 downwards, push and pull the third gear 413 forwards, press the third rotating rod 412 downwards to drive the third gear 413 to rotate again, drive the second upper support 414 to move upwards again, and further change the position of the second support plate 415; the screen is put down by rotating the projection cloth 109, the book to be projected is put on the projection groove 506, the scanner 512 can scan the book content and project the book content on the projection cloth 109 through the first wire 6 and the projector 310, the upper bracket seven 508 is rotated to drive the connecting rod seven 509 to rotate, the cylinder four 511 and the scanner 512 are driven to rotate, the cylinder three 510 is started to drive the connecting rod seven 509 to move, the cylinder four 511 and the scanner 512 are driven to move, and the cylinder four 511 is started to change the height of the scanner 512.
It is to be understood that the above description is not intended to limit the present invention, and the present invention is not limited to the above examples, and that various changes, modifications, additions and substitutions which are within the spirit and scope of the present invention and which may be made by those skilled in the art are also within the scope of the present invention.
Claims (6)
1. The utility model provides an online offline combines teaching equipment, includes liftable blackboard device (1), dust absorbing device (2), camera device (3), quick-witted case device (4), projection arrangement (5), electric wire (6), its characterized in that: the lifting blackboard device (1) is connected with the camera device (3), the dust absorption device (2) is connected with the camera device (3), the lifting blackboard device (1) is connected with the case device (4), the lifting blackboard device (1) is connected with the projection device (5), the camera device (3) is connected with the first electric wire (6), and the projection device (5) is connected with the first electric wire (6).
2. The on-line and off-line combined teaching device as claimed in claim 1, wherein: the lifting blackboard device (1) comprises a base I (101), a motor I (102), a gear I (103), an upper bracket I (104), a runner I (105), a belt I (106), a blackboard outer frame (107), a spliced blackboard (108), projection cloth (109), a motor II (110), a runner II (111), a belt II (112), a sliding plate I (113), a blackboard eraser (114), a motor III (115), a gear II (116), a scanner (117), a connecting rod I (118), a connecting rod II (119), a supporting plate (120) and a storage box I (121), wherein the motor I (102) is fixedly connected with the gear I (103), the base I (101) is fixedly connected with the upper bracket I (104), the base I (101) is slidably connected with the upper bracket I (104), the base I (101) is in meshing transmission with the gear I (103), the gear I (103) is fixedly connected with the runner I (105), the runner I (105) is connected with the belt I (106), the upper bracket I (104) is fixedly connected with the blackboard outer frame (107), the spliced blackboard outer frame (107) is fixedly connected with the blackboard outer frame (107), the blackboard outer frame (108) is fixedly connected with the projection cloth (109), the runner II (109) is fixedly connected with the motor II (109), the second rotating wheel (111) is connected with the second belt (112) in a matched mode, the second belt (112) is fixedly connected with the first sliding plate (113), the outer blackboard frame (107) is connected with the first sliding plate (113) in a sliding mode, the first sliding plate (113) is connected with the blackboard eraser (114) in a sliding mode, the blackboard eraser (114) is fixedly connected with the third motor (115), the third motor (115) is fixedly connected with the second gear (116), the first sliding plate (113) is in meshed transmission with the second gear (116), the blackboard eraser (114) is fixedly connected with the scanner (117), the outer blackboard frame (107) is rotatably connected with the first connecting rod (118), the first connecting rod (118) is hinged with the second connecting rod (119), the second connecting rod (119) is fixedly connected with the supporting plate (120), and the first supporting plate (120) is fixedly connected with the first accommodating box (121).
3. The on-line and off-line combined teaching device as claimed in claim 1, wherein: dust absorbing device (2) include shell one (201), leg frame one (202), advance grey mouth (203), filter screen (204), motor four (205), flabellum (206), handle (207), receiver two (208), shell one (201) and leg frame one (202) fixed connection, it sets up on shell one (201) to advance grey mouth (203), shell one (201) and filter screen (204) fixed connection, shell one (201) and motor four (205) fixed connection, motor four (205) and flabellum (206) fixed connection, handle (207) and receiver two (208) fixed connection, shell one (201) and receiver two (208) sliding connection.
4. The on-line and off-line combined teaching device as claimed in claim 1, wherein: the camera device (3) comprises a second support (301), a lamp panel (302), a third connecting rod (303), a first cylinder (304), a second cylinder (305), a fourth connecting rod (306), a camera (307), a second electric wire (308), a fifth connecting rod (309) and a projector (310), wherein the three lamp panels (302) are rotatably connected with the second support (301), the second support (301) is hinged with the third connecting rod (303), the second support (301) is hinged with the first cylinder (304), the third connecting rod (303) is hinged with the second cylinder (305), the second cylinder (305) is hinged with the fourth connecting rod (306), the third connecting rod (303) is rotatably connected with the fourth connecting rod (306), the fourth connecting rod (306) is rotatably connected with the camera (307), the camera (307) is fixedly connected with the second electric wire (308), the second support (301) is fixedly connected with the fifth connecting rod (309), the fifth connecting rod (309) is rotatably connected with the projector (310), the fourth connecting rod (107) is fixedly connected with the second support (107), the first support (301) is fixedly connected with the outer frame (1), and the first projector (301) is fixedly connected with the first support (201).
5. The on-line and off-line combined teaching device as claimed in claim 1, wherein: the case device (4) comprises a first connecting frame (401), a first outer frame (402), a rotating knob (403), a baffle (404), a sixth connecting rod (405), a first sliding block (406), a case (407), a third electric wire (408), a display (409), a first pulley (410), a second base (411), a third rotating rod (412), a third gear (413), a second upper frame (414), a second support plate (415), a horn support (416) and a horn (417), wherein the first connecting frame (401) is rotatably connected with the first outer frame (402), the first outer frame (402) is rotatably connected with the rotating knob (403), a plurality of baffles (404) are slidably connected with the first outer frame (402), the sixth connecting rod (405) is rotatably connected with the first sliding block (406), the baffle (404) is slidably connected with the first sliding block (406), the first outer frame (402) is fixedly connected with the case (407), the case (407) is fixedly connected with the third electric wire (408), the third electric wire (408) is fixedly connected with the display (409), the first outer frame (402) is rotatably connected with the first pulley (412), the second gear (413) is fixedly connected with the third rotating rod (413), the second base (411) is connected with the second upper support (414) in a sliding mode, the second upper support (414) is fixedly connected with the second support plate (415), the display (409) is fixedly connected with the second support plate (415), the second support plate (415) is fixedly connected with the horn support (416), the horn support (416) is fixedly connected with the horn (417), and the first connecting frame (401) is rotatably connected with the blackboard outer frame (107).
6. The on-line and off-line combined teaching device as claimed in claim 1, wherein: the projection device (5) comprises a second connecting frame (501), a second outer frame (502), a second pulley (503), a fifth support frame (504), a third support plate (505), a projection groove (506), a sixth support base (507), a seventh upper support frame (508), a seventh connecting rod (509), a third cylinder (510), a fourth cylinder (511) and a scanner (512), wherein the second connecting frame (501) is rotatably connected with the second outer frame (502), the second outer frame (502) is rotatably connected with the second pulley (503), the second outer frame (502) is fixedly connected with the fifth support frame (504), the fifth support frame (504) is fixedly connected with the third support plate (505), the projection groove (506) is arranged on the third support plate (505), the third support plate (505) is fixedly connected with the sixth support base (507), the sixth support base (507) is rotatably connected with the seventh upper support frame (508), the seventh upper support frame (508) is slidably connected with the seventh connecting rod (509), the seventh connecting rod (509) is fixedly connected with the third cylinder (510), the seventh connecting rod (509) is fixedly connected with the fourth cylinder (511) and the fourth cylinder (501), and the fourth cylinder (511) is fixedly connected with the fourth cylinder (512).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211038324.5A CN115447310A (en) | 2022-08-29 | 2022-08-29 | Online and offline combined teaching equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211038324.5A CN115447310A (en) | 2022-08-29 | 2022-08-29 | Online and offline combined teaching equipment |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN115447310A true CN115447310A (en) | 2022-12-09 |
Family
ID=84301150
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202211038324.5A Withdrawn CN115447310A (en) | 2022-08-29 | 2022-08-29 | Online and offline combined teaching equipment |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN115447310A (en) |
-
2022
- 2022-08-29 CN CN202211038324.5A patent/CN115447310A/en not_active Withdrawn
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| Date | Code | Title | Description |
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| WW01 | Invention patent application withdrawn after publication |
Application publication date: 20221209 |
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| WW01 | Invention patent application withdrawn after publication |