CN114680494A - Height-adjustable's teaching display device for education - Google Patents

Height-adjustable's teaching display device for education Download PDF

Info

Publication number
CN114680494A
CN114680494A CN202210302053.3A CN202210302053A CN114680494A CN 114680494 A CN114680494 A CN 114680494A CN 202210302053 A CN202210302053 A CN 202210302053A CN 114680494 A CN114680494 A CN 114680494A
Authority
CN
China
Prior art keywords
display device
teaching display
transmission
device main
dust
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
CN202210302053.3A
Other languages
Chinese (zh)
Inventor
孔盈懿
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Physical Education College of Zhengzhou University
Original Assignee
Physical Education College of Zhengzhou University
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Physical Education College of Zhengzhou University filed Critical Physical Education College of Zhengzhou University
Priority to CN202210302053.3A priority Critical patent/CN114680494A/en
Publication of CN114680494A publication Critical patent/CN114680494A/en
Pending legal-status Critical Current

Links

Images

Classifications

    • 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
    • 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
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B08—CLEANING
    • B08B—CLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
    • B08B13/00—Accessories or details of general applicability for machines or apparatus for cleaning
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B08—CLEANING
    • B08B—CLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
    • B08B15/00—Preventing escape of dirt or fumes from the area where they are produced; Collecting or removing dirt or fumes from that area
    • B08B15/04—Preventing escape of dirt or fumes from the area where they are produced; Collecting or removing dirt or fumes from that area from a small area, e.g. a tool
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B08—CLEANING
    • B08B—CLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
    • B08B5/00—Cleaning by methods involving the use of air flow or gas flow
    • B08B5/04—Cleaning by suction, with or without auxiliary action
    • 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

Landscapes

  • Drawing Aids And Blackboards (AREA)

Abstract

The invention discloses a height-adjustable teaching display device for education, and relates to the field of education. This height-adjustable's teaching display device for education, including teaching display device main part, the inside sliding connection of teaching display device main part has the clipboard, the top of teaching display device main part is provided with the dust collecting pipe, one side of dust collecting pipe is provided with dust removal mechanism, one side of teaching display device main part is provided with drive mechanism, adjustment mechanism sets up the inside in teaching display device main part. This height-adjustable's teaching display device for education, the device is convenient for adjust the height of clipboard through setting up adjustment mechanism, and through setting up drive mechanism and dust collecting pipe, is convenient for absorb the dust on the clipboard, through setting up dust removal mechanism, is convenient for clear up accumulational dust on the filter screen.

Description

Height-adjustable's teaching display device for education
Technical Field
The invention relates to the technical field of education, in particular to a height-adjustable teaching display device for education.
Background
With the progress of science and technology, multimedia teaching is vigorously developed in China, computers, projectors and the like gradually replace traditional teaching tools such as blackboards and chalks, and a good effect is achieved in the application of teaching, training and reporting.
However, in the actual teaching display process, the blackboard is one of the commonly used display tools, and when the teaching display device is used, the generated dust cannot be absorbed, so that the environment-friendly performance of the teaching display device is poor, most of the existing blackboards are fixed on the wall surface, the height of the blackboard is inconvenient to adjust, when the teaching display device is used, the high position of the blackboard is usually inconvenient to write and utilize, and after contents at the low position of the blackboard are written, students with far back row distances are inconvenient to watch, and based on the prior art defects, the teaching display device for education with adjustable height is designed.
Disclosure of Invention
Technical problem to be solved
Aiming at the defects of the prior art, the invention discloses a height-adjustable teaching display device for education, which aims to solve the problems in the background technology.
(II) technical scheme
In order to achieve the purpose, the invention is realized by the following technical scheme: a height-adjustable teaching display device for education comprises a teaching display device main body, wherein a writing board is connected inside the teaching display device main body in a sliding mode, a dust collecting pipe is arranged at the top of the teaching display device main body, a dust removing mechanism is arranged on one side of the dust collecting pipe, and a transmission mechanism is arranged on one side of the teaching display device main body;
the adjusting mechanism is arranged inside the teaching display device main body and comprises a second gear, a connecting rod and a first bevel gear, the second gear is rotatably connected to one side of the teaching display device main body, the connecting rod is fixedly connected to one side of the second gear, and the first bevel gear is fixedly connected to one side of the connecting rod.
Preferably, the adjusting mechanism further comprises a second bevel gear, a transmission rod and a limiting disc, the second bevel gear is in meshing transmission on the upper surface of the first bevel gear, the transmission rod is fixedly connected to the upper surface of the second bevel gear, and the limiting disc is fixedly connected to the upper surface of the transmission rod.
Preferably, the lower fixed surface of teaching display device main part is connected with the base, the last fixed surface of base is connected with the control box, the upper surface of teaching display device main part is seted up flutedly, the spread groove has been seted up to one side of teaching display device main part, logical groove has been seted up to the lower surface of spread groove, the elongated slot has been seted up to one side in logical groove, one side fixedly connected with stopper of clipboard.
Preferably, the threaded groove is formed in the upper surface of the limiting block, the dust suction plate is fixedly connected to the upper surface of the writing plate, the dust suction pipe is fixedly connected to the upper surface of the dust suction plate, and the supporting body is fixedly connected to the lower surface of the dust collecting pipe.
Preferably, one side of the supporting body is provided with a dust outlet, a filter screen is fixedly connected inside the dust outlet, and one side of the supporting body is fixedly connected with a dust outlet pipe.
Preferably, dust removal mechanism includes first drive wheel, second drive wheel, first drive belt, carousel, transmission strip, scraper blade and spacing, first drive wheel rotates the one side of connecting at the teaching display device main part, the surface of first drive wheel is provided with first drive belt, the inside of first drive belt is provided with the second drive wheel, one side fixedly connected with carousel of first drive wheel, one side of carousel is rotated and is connected with the transmission strip, the lower surface of transmission strip is rotated and is connected with the scraper blade, one side fixedly connected with spacing of scraper blade.
Preferably, the transmission mechanism comprises a motor, a first gear, a third transmission wheel, a second transmission belt, a fourth transmission wheel and a fan, the motor is fixedly connected to one side of the teaching display device main body, the first gear is rotatably connected to one side of the motor, the third transmission wheel is fixedly connected to one side of the first gear, the second transmission belt is arranged on the outer surface of the third transmission wheel, the fourth transmission wheel is arranged inside the second transmission belt, and the fan is fixedly connected to one side of the fourth transmission wheel.
Preferably, the second bevel gear is rotatably connected inside the through groove, the transmission rod is in threaded connection inside the threaded groove, and the limiting disc is rotatably connected inside the connecting groove.
Preferably, the first gear is meshed with and driven on the upper surface of the second gear, the third driving wheel is rotatably connected to one side of the teaching display device main body, and the fan is rotatably connected to the inside of the dust collecting pipe.
Preferably, the transmission strip is connected in the supporting body in a sliding manner, the scraper is connected to one side of the filter screen in a sliding manner, and the limiting strip is connected in the supporting body in a sliding manner.
The invention discloses a height-adjustable teaching display device for education, which has the following beneficial effects:
1. this teaching display device is used in height-adjustable's education, when the height of clipboard is adjusted to needs, earlier the output through the motor drives first gear revolve, first gear drives the second gear meshing transmission of bottom this moment, and during second gear revolve, it rotates to drive the connecting rod, drive the first bevel gear rotation of its surface when the connecting rod transmission, when first bevel gear revolves, first bevel gear drives the second bevel gear transmission of both sides, second bevel gear revolves then to drive the transfer line and rotates, the transfer line then drives the stopper and goes up and down, when the stopper goes up and down, the stopper then drives the clipboard and goes up and down, the device is convenient for adjust the height of clipboard.
2. This teaching display device is used in height-adjustable's education, when the dust when needs clearance write, because third drive wheel and fourth drive wheel transmission are connected, can make the fan rotate, the fan can be with the dust that the clipboard produced when using through the inside of dust absorption pipe suction to the dust collecting pipe of dust absorption board, and get into the inside of dirt pipe after the filter screen filtration of supporting body one side, export from the dirt pipe is located at last, the device is convenient for clear up the dust when writing.
3. This teaching display device is used in height-adjustable's education, clear up the filter screen when needs, it rotates to drive the second drive wheel when the fourth drive wheel rotates, the second drive wheel then drives first drive wheel through first drive belt and rotates, first drive wheel then drives the carousel and rotates, it rotates in its one side to drive the transmission strip when the carousel rotates, the transmission strip drives the scraper blade and slides in one side of filter screen this moment, and clear up the filter screen, spacing can carry on spacingly to the scraper blade simultaneously, the device is convenient for clear up the filter screen.
Drawings
FIG. 1 is a schematic view of the overall structure of the present invention;
FIG. 2 is a schematic structural diagram of a main body of the teaching demonstration device of the present invention;
FIG. 3 is a schematic diagram of a writing board structure according to the present invention;
FIG. 4 is a schematic view of a groove structure according to the present invention;
FIG. 5 is a schematic view of an adjustment mechanism according to the present invention;
FIG. 6 is a schematic view of a dust collection tube structure according to the present invention;
FIG. 7 is a schematic view of the structure of the transmission mechanism of the present invention;
FIG. 8 is a schematic view of the dust removing mechanism of the present invention.
In the figure: 1. a teaching display device main body; 101. a base; 102. a control box; 103. a groove; 104. connecting grooves; 105. a through groove; 106. a long groove; 2. a writing board; 201. a limiting block; 202. a thread groove; 203. a dust collection plate; 204. a dust collection pipe; 3. a dust collecting pipe; 301. a carrier; 302. a dust outlet hole; 303. a filter screen; 304. a dust outlet pipe; 4. a dust removal mechanism; 401. a first drive pulley; 402. a second transmission wheel; 403. a first drive belt; 404. a turntable; 405. a drive bar; 406. a squeegee; 407. a limiting strip; 5. a transmission mechanism; 501. a motor; 502. a first gear; 503. a third transmission wheel; 504. a second belt; 505. a fourth transmission wheel; 506. a fan; 6. an adjustment mechanism; 601. a second gear; 602. a connecting rod; 603. a first bevel gear; 604. a second bevel gear; 605. a transmission rod; 606. a limiting disc.
Detailed Description
The embodiment of the invention discloses a height-adjustable teaching display device for education, which comprises a teaching display device main body 1, wherein a writing board 2 is connected inside the teaching display device main body 1 in a sliding manner, a dust collecting pipe 3 is arranged at the top of the teaching display device main body 1, a dust removing mechanism 4 is arranged on one side of the dust collecting pipe 3, a transmission mechanism 5 is arranged on one side of the teaching display device main body 1, and dust on one side of a filter screen 303 can be conveniently cleaned by arranging the dust removing mechanism 4;
referring to fig. 5, the device further includes an adjusting mechanism 6, the adjusting mechanism 6 is disposed inside the teaching demonstration device main body 1, the adjusting mechanism 6 includes a second gear 601, a connecting rod 602 and a first bevel gear 603, the second gear 601 is rotatably connected to one side of the teaching demonstration device main body 1, the connecting rod 602 is fixedly connected to one side of the second gear 601, the first bevel gear 603 is fixedly connected to one side of the connecting rod 602, the adjusting mechanism 6 further includes a second bevel gear 604, a transmission rod 605 and a limiting disc 606, the second bevel gear 604 is engaged with and driven by an upper surface of the first bevel gear 603, the transmission rod 605 is fixedly connected to an upper surface of the second bevel gear 604, the limiting disc 606 is fixedly connected to an upper surface of the transmission rod 605, the second bevel gear 604 is rotatably connected to the inside of the through slot 105, the transmission rod 605 is threadedly connected to the inside of the threaded slot 202, the limiting disc 606 is rotatably connected to the inside of the connecting slot 104, the output end of the motor 501 drives the first gear 502 to rotate, at the moment, the first gear 502 drives the second gear 601 at the bottom to be in meshing transmission, when the second gear 601 rotates, the connecting rod 602 is driven to rotate, when the connecting rod 602 drives the first bevel gear 603 on the outer surface to rotate, when the first bevel gear 603 rotates, the first bevel gear 603 drives the second bevel gears 604 on two sides to transmit, when the second bevel gears 604 rotate, the transmission rod 605 drives the transmission rod 605 to rotate, the transmission rod 605 drives the limiting block 201 to lift, when the limiting block 201 lifts, the limiting block 201 drives the writing board 2 to lift, and the height of the writing board 2 can be adjusted conveniently.
Referring to the attached drawing 1, 3, 4, 6, the lower fixed surface of teaching display device main part 1 is connected with base 101, the last fixed surface of base 101 is connected with control box 102, the upper surface of teaching display device main part 1 is seted up flutedly 103, connecting groove 104 has been seted up to one side of teaching display device main part 1, logical groove 105 has been seted up to the lower surface of connecting groove 104, elongated slot 106 has been seted up to one side that leads to groove 105, one side fixedly connected with stopper 201 of clipboard 2, be convenient for bear dust removal mechanism 4 through control box 102, drive mechanism 5 and adjustment mechanism 6.
Referring to fig. 3, 5 and 6, a thread groove 202 is formed in the upper surface of the limiting block 201, the upper surface of the writing board 2 is fixedly connected with a dust suction board 203, the upper surface of the dust suction board 203 is fixedly connected with a dust suction pipe 204, the lower surface of the dust collection pipe 3 is fixedly connected with a supporting body 301, a dust outlet 302 is formed in one side of the supporting body 301, a filter screen 303 is fixedly connected with the inside of the dust outlet 302, one side of the supporting body 301 is fixedly connected with a dust outlet pipe 304, and the dust inside the dust collection pipe 3 can be conveniently cleaned by arranging the dust outlet pipe 304.
Referring to fig. 8, the dust removing mechanism 4 includes a first driving wheel 401, a second driving wheel 402, a first driving belt 403, a turntable 404, a driving strip 405, a scraper 406 and a limit strip 407, the first driving wheel 401 is rotatably connected to one side of the teaching display device main body 1, the first driving belt 403 is disposed on the outer surface of the first driving wheel 401, the second driving wheel 402 is disposed inside the first driving belt 403, the turntable 404 is fixedly connected to one side of the first driving wheel 401, the driving strip 405 is rotatably connected to one side of the turntable 404, the scraper 406 is rotatably connected to the lower surface of the driving strip 405, the limit strip 407 is fixedly connected to one side of the scraper 406, the driving strip 405 is slidably connected to the inside of the carrier 301, the scraper 406 is slidably connected to one side of the filter screen 303, the limit strip 407 is slidably connected to the inside of the carrier 301, the second driving wheel 402 is driven to rotate by the rotation of the fourth driving wheel 505, the second driving wheel 402 drives the first driving wheel 401 to rotate by the first driving belt 403, the first driving wheel 401 drives the turntable 404 to rotate, the turntable 404 drives the driving strip 405 to rotate on one side of the turntable, at the moment, the driving strip 405 drives the scraper 406 to slide on one side of the filter screen 303 and clean the filter screen 303, and meanwhile, the limiting strip 407 can limit the scraper 406, so that the filter screen 303 is cleaned conveniently.
Referring to fig. 7, the transmission mechanism 5 includes a motor 501, a first gear 502, a third transmission wheel 503, a second transmission belt 504, a fourth transmission wheel 505 and a fan 506, the motor 501 is fixedly connected to one side of the teaching demonstration apparatus main body 1, the first gear 502 is rotatably connected to one side of the motor 501, the third transmission wheel 503 is fixedly connected to one side of the first gear 502, the second transmission belt 504 is arranged on the outer surface of the third transmission wheel 503, the fourth transmission wheel 505 is arranged inside the second transmission belt 504, the fan 506 is fixedly connected to one side of the fourth transmission wheel 505, the first gear 502 is engaged with and transmitted on the upper surface of the second gear 601, the third transmission wheel 503 is rotatably connected to one side of the teaching demonstration apparatus main body 1, the fan 506 is rotatably connected inside the dust collecting pipe 3, the fan 506 is rotatably connected with the fourth transmission wheel 505 through the third transmission wheel 503, the fan 506 can rotate, and the fan 506 can suck dust generated by the writing board 2 during use to the dust collecting pipe 204 of the dust collecting board 203 through the dust collecting pipe 204 The interior of the tube 3 is filtered by the filter screen 303 at one side of the carrier 301 and then enters the interior of the dust outlet tube 304, and finally the dust is output from the dust outlet tube 304, so that the dust during writing can be cleaned conveniently.
In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described below by way of embodiments with reference to the accompanying drawings in the present invention.
The working principle is as follows: when the height-adjustable teaching demonstration device for education is used, in an initial state, firstly, when the height of a writing board 2 needs to be adjusted during use, a first gear 502 is driven to rotate through an output end of a motor 501, at the moment, the first gear 502 drives a second gear 601 at the bottom to be in meshing transmission, when the second gear 601 rotates, a connecting rod 602 is driven to rotate, when the connecting rod 602 drives a first bevel gear 603 on the outer surface of the connecting rod to rotate, when the first bevel gear 603 rotates, the first bevel gear 603 drives second bevel gears 604 on two sides to transmit, when the second bevel gears 604 rotate, a transmission rod 605 is driven to rotate, the transmission rod 605 drives a limiting block 201 to ascend and descend, when the limiting block 201 ascends and descends, the limiting block 201 drives the writing board 2 to ascend and descend so as to adjust the height of the writing board 2, when the education is used, because a third transmission wheel 503 is in transmission connection with a fourth transmission wheel 505, a fan 506 can rotate, the fan 506 can suck the dust generated by the writing board 2 during use into the dust collecting pipe 3 through the dust sucking pipe 204 of the dust sucking board 203, and the top of the dust sucking pipe 204 is provided with a telescopic pipe fixed with the dust collecting pipe 3, and enters the interior of the dust outlet pipe 304 after being filtered by the filter screen 303 at one side of the carrier 301, and finally is output from the dust outlet pipe 304 so as to be convenient for cleaning dust, meanwhile, the filter screen 303 needs to be cleaned, when the fourth transmission wheel 505 rotates, the second transmission wheel 402 is driven to rotate, the second transmission wheel 402 drives the first transmission wheel 401 to rotate through the first transmission belt 403, the first transmission wheel 401 drives the turntable 404 to rotate, when the turntable 404 rotates, the transmission strip 405 is driven to rotate on one side of the turntable, at this time, the transmission strip 405 drives the scraper 406 to slide on one side of the filter screen 303, the filter screen 303 is cleaned, and meanwhile, the limiting strips 407 can limit the scraper 406;
when the height of the writing board 2 needs to be adjusted, the output end of the motor 501 drives the first gear 502 to rotate, at this time, the first gear 502 drives the second gear 601 at the bottom to be in meshing transmission, when the second gear 601 rotates, the connecting rod 602 is driven to rotate, when the connecting rod 602 drives the first bevel gear 603 on the outer surface to rotate, when the first bevel gear 603 rotates, the first bevel gear 603 drives the second bevel gears 604 at the two sides to transmit, when the second bevel gears 604 rotate, the transmission rod 605 drives the transmission rod 605 to rotate, when the transmission rod 605 drives the limiting block 201 to lift, when the limiting block 201 lifts, the limiting block 201 drives the writing board 2 to lift, and the device is convenient for adjusting the height of the writing board 2.
When dust during writing needs to be cleaned, the third driving wheel 503 and the fourth driving wheel 505 are in transmission connection, so that the fan 506 can rotate, the fan 506 can suck dust generated during use of the writing board 2 into the dust collection pipe 3 through the dust collection pipe 204 of the dust collection board 203, filter the dust through the filter screen 303 on one side of the bearing body 301, enter the dust outlet pipe 304, and finally output the dust from the dust outlet pipe 304.
When the filter screen 303 needs to be cleaned, the fourth driving wheel 505 drives the second driving wheel 402 to rotate when rotating, the second driving wheel 402 drives the first driving wheel 401 to rotate through the first driving belt 403, the first driving wheel 401 drives the turntable 404 to rotate, the turntable 404 drives the driving strip 405 to rotate on one side of the second driving wheel, at the moment, the driving strip 405 drives the scraper 406 to slide on one side of the filter screen 303, the filter screen 303 is cleaned, meanwhile, the limiting strip 407 can limit the scraper 406, and the device is convenient for cleaning the filter screen 303.
The foregoing shows and describes the general principles and broad features of the present invention and advantages thereof. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, which are described in the specification and illustrated only to illustrate the principle of the present invention, but that various changes and modifications may be made therein without departing from the spirit and scope of the present invention, which fall within the scope of the invention as claimed. The scope of the invention is defined by the appended claims and equivalents thereof.

Claims (10)

1. A height-adjustable teaching display device for education is characterized by comprising;
the teaching display device comprises a teaching display device main body (1), wherein a writing board (2) is connected to the inside of the teaching display device main body (1) in a sliding mode, a dust collecting pipe (3) is arranged at the top of the teaching display device main body (1), a dust removing mechanism (4) is arranged on one side of the dust collecting pipe (3), and a transmission mechanism (5) is arranged on one side of the teaching display device main body (1);
adjustment mechanism (6), adjustment mechanism (6) set up the inside in teaching display device main part (1), adjustment mechanism (6) include second gear (601), connecting rod (602) and first bevel gear (603), second gear (601) rotate to be connected in the one side of teaching display device main part (1), one side fixedly connected with connecting rod (602) of second gear (601), one side fixedly connected with first bevel gear (603) of connecting rod (602).
2. A height adjustable educational demonstration apparatus according to claim 1 further comprising: the adjusting mechanism (6) further comprises a second bevel gear (604), a transmission rod (605) and a limiting disc (606), the second bevel gear (604) is in meshing transmission on the upper surface of the first bevel gear (603), the upper surface of the second bevel gear (604) is fixedly connected with the transmission rod (605), and the upper surface of the transmission rod (605) is fixedly connected with the limiting disc (606).
3. A height adjustable educational demonstration apparatus according to claim 1 further comprising: the lower fixed surface of teaching display device main part (1) is connected with base (101), the last fixed surface of base (101) is connected with control box (102), the upper surface of teaching display device main part (1) is seted up flutedly (103), spread groove (104) have been seted up to one side of teaching display device main part (1), logical groove (105) have been seted up to the lower surface of spread groove (104), elongated slot (106) have been seted up to one side that leads to groove (105), one side fixedly connected with stopper (201) of clipboard (2).
4. A height adjustable educational demonstration apparatus according to claim 3 wherein: thread groove (202) have been seted up to the upper surface of stopper (201), the last fixed surface of clipboard (2) is connected with dust absorption board (203), the last fixed surface of dust absorption board (203) is connected with dust absorption pipe (204), the lower fixed surface of dust collecting pipe (3) is connected with supporting body (301).
5. The height-adjustable educational demonstration apparatus according to claim 4, wherein: a dust outlet (302) is formed in one side of the bearing body (301), a filter screen (303) is fixedly connected to the interior of the dust outlet (302), and a dust outlet pipe (304) is fixedly connected to one side of the bearing body (301).
6. A height adjustable educational demonstration apparatus according to claim 1 further comprising: dust removal mechanism (4) include first drive wheel (401), second drive wheel (402), first drive belt (403), carousel (404), driving strip (405), scraper blade (406) and spacing (407), first drive wheel (401) rotate to be connected in one side of teaching display device main part (1), the surface of first drive wheel (401) is provided with first drive belt (403), the inside of first drive belt (403) is provided with second drive wheel (402), one side fixedly connected with carousel (404) of first drive wheel (401), one side of carousel (404) is rotated and is connected with driving strip (405), the lower surface rotation of driving strip (405) is connected with scraper blade (406), one side fixedly connected with spacing (407) of scraper blade (406).
7. The height-adjustable educational demonstration apparatus according to claim 1, wherein: the teaching display device is characterized in that the transmission mechanism (5) comprises a motor (501), a first gear (502), a third transmission wheel (503), a second transmission belt (504), a fourth transmission wheel (505) and a fan (506), the motor (501) is fixedly connected to one side of the teaching display device main body (1), the first gear (502) is rotatably connected to one side of the motor (501), the third transmission wheel (503) is fixedly connected to one side of the first gear (502), the second transmission belt (504) is arranged on the outer surface of the third transmission wheel (503), the fourth transmission wheel (505) is arranged inside the second transmission belt (504), and the fan (506) is fixedly connected to one side of the fourth transmission wheel (505).
8. A height adjustable educational demonstration apparatus according to claim 2 further comprising: the second bevel gear (604) is rotatably connected inside the through groove (105), the transmission rod (605) is in threaded connection inside the threaded groove (202), and the limiting disc (606) is rotatably connected inside the connecting groove (104).
9. The height-adjustable educational demonstration apparatus according to claim 7, wherein: the first gear (502) is meshed and driven on the upper surface of the second gear (601), the third transmission wheel (503) is rotatably connected to one side of the teaching display device main body (1), and the fan (506) is rotatably connected to the inside of the dust collecting pipe (3).
10. A height adjustable educational demonstration apparatus according to claim 6 wherein: the transmission strip (405) is connected inside the bearing body (301) in a sliding mode, the scraper (406) is connected to one side of the filter screen (303) in a sliding mode, and the limiting strip (407) is connected inside the bearing body (301) in a sliding mode.
CN202210302053.3A 2022-03-25 2022-03-25 Height-adjustable's teaching display device for education Pending CN114680494A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202210302053.3A CN114680494A (en) 2022-03-25 2022-03-25 Height-adjustable's teaching display device for education

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202210302053.3A CN114680494A (en) 2022-03-25 2022-03-25 Height-adjustable's teaching display device for education

Publications (1)

Publication Number Publication Date
CN114680494A true CN114680494A (en) 2022-07-01

Family

ID=82139640

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202210302053.3A Pending CN114680494A (en) 2022-03-25 2022-03-25 Height-adjustable's teaching display device for education

Country Status (1)

Country Link
CN (1) CN114680494A (en)

Similar Documents

Publication Publication Date Title
JP6754053B1 (en) Dustproof blackboard
CN210895908U (en) Multimedia teaching presentation device that accounting teaching was used
CN206589513U (en) A kind of English teaching servicing unit
CN111419026B (en) Height-adjustable's teaching display device for education
CN111545491A (en) Enterprise information display ash removal device based on double-ratchet transmission principle
CN115709613A (en) Artificial intelligence device for teaching
CN114680494A (en) Height-adjustable's teaching display device for education
CN201998703U (en) Electrostatic dust absorption blackboard eraser
CN209441077U (en) A kind of removable automatically cleaning blackboard
CN215474120U (en) Sliding blackboard
CN112339475B (en) Interactive teaching equipment is used in english teaching
CN212171780U (en) Teaching equipment with inhale grey function
CN114228369A (en) Angle-adjustable anti-reflection blackboard
CN221067633U (en) Chinese vocabulary explanation display device
CN214189077U (en) English teaching is with teaching board with adjustable
CN216101216U (en) English language literature teaching blackboard
CN221105283U (en) Classification record board
CN206416744U (en) A kind of higher mathematics plotting unit
CN216280456U (en) Teaching device for computer
CN218084874U (en) Blackboard with dust absorption function
CN216287182U (en) Colleges and universities think political affairs classroom education teaching auxiliary device
CN211364068U (en) Combined dust-free green board
CN209813535U (en) Multifunctional rotary blackboard with dust collection function
CN211764508U (en) Sliding blackboard
CN219467415U (en) Teaching board with multifunctional ruler

Legal Events

Date Code Title Description
PB01 Publication
PB01 Publication
SE01 Entry into force of request for substantive examination
SE01 Entry into force of request for substantive examination