CN214847287U

CN214847287U - Marketing specialty is with teaching board

Info

Publication number: CN214847287U
Application number: CN202121125004.4U
Authority: CN
Inventors: 刘倩倩
Original assignee: Individual
Current assignee: Individual
Priority date: 2021-05-25
Filing date: 2021-05-25
Publication date: 2021-11-23
Anticipated expiration: 2031-05-25

Abstract

The utility model discloses a marketing specialty is with teaching board, including clipboard, flexible column box, displacement frame, cleaning roller and bellows, the both sides lower extreme surface of clipboard is provided with the dust collection box, the embedded flexible column box of installing of lower extreme of clipboard, clipboard one side upper end internally mounted has the motor, the output shaft of motor has the displacement pole, the upper surface that the displacement frame was run through to the upper end of cleaning roller is connected with the one-way rod, the last fixed surface of displacement frame has spacing frame. This marketing specialty is with teaching board is provided with the cleaning roller, utilizes the cleaning roller to wipe the blackboard clean with the sliding friction of clipboard when the return stroke motion, and the dust of wiping down is blockaded between clipboard and displacement frame and bellows under the effect of displacement frame and bellows, collects chalk dust through the dust collection box, has guaranteed that the dust can not influence teacher's healthy and clothing clean and tidy.

Description

Marketing specialty is with teaching board

Technical Field

The utility model relates to a teaching aid technical field specifically is a marketing specialty is with teaching board.

Background

The market marketing specialty is because the more nimble particularity of its professional lecture content, lead to the market marketing specialty can not be completely according to the content in the PPT lecture when giving lessons, need write with the chalk on the teaching board, write very board after accomplishing and need clean, but traditional teaching board is all cleaned with the board eraser, clean in-process a large amount of chalk dust and can waft in the air, be unfavorable for teacher's healthy and the cleanness of clothes, the chalk dust that simultaneously cleans down also can scatter on ground, lead to the ground to clean every day, the function singleness of current teaching board simultaneously can only be used for writing characters, the unable quick presentation of necessary histogram of market marketing specialty is on the teaching board, be unfavorable for teacher's teaching process.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a marketing specialty is with teaching board to solve the great and problem that can not the quick visual display histogram of the dust that proposes in the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a marketing specialty is with teaching board, includes clipboard, flexible column box, displacement frame, cleaning roller and bellows, the both sides lower extreme surface of clipboard is provided with the dust-collecting box, the embedded flexible column box of installing of lower extreme of clipboard, clipboard one side upper end internally mounted has the motor, the output shaft of motor has the displacement pole, the displacement pole runs through the upper end of displacement frame, the embedded pivoted cleaning roller that installs of inside of displacement frame, be connected with the bellows between the inboard surface of displacement frame and clipboard, the upper surface that the displacement frame was run through to the upper end of cleaning roller is connected with the one-way bar, the last fixed surface of displacement frame has spacing frame.

Preferably, the telescopic columnar box consists of a plurality of hollow square boxes and a solid square box which are connected in a sliding manner, and the upper surface of the solid square box at the middle of the telescopic columnar box is connected with a sliding lifting plate.

By adopting the technical scheme, the telescopic columnar boxes are unfolded through the lifting plate, and the plurality of telescopic columnar boxes are unfolded to form the columnar diagram.

Preferably, the displacement rod is in threaded connection with the displacement frame, the upper end of the displacement frame is in sliding connection with the writing board, and the lower end of the displacement frame is attached to the outer surface of the writing board.

By adopting the technical scheme, the displacement rod can drive the displacement frame to slide when rotating, and the displacement frame can push the accumulated dust on the outer surface of the lower end of the writing board into the dust collecting box.

Preferably, a scraper is fixed on the inner side surface of the displacement frame, the outer surface of the scraper is attached to the outer surface of the cleaning roller, and the outer surface of the cleaning roller is attached to the outer surface of the writing board.

Adopt above-mentioned technical scheme for the scraper blade can scrape off the dust of cleaning roller surface when the cleaning roller rotates.

Preferably, the one-way rod is connected with the cleaning roller in a clamping manner, and the outer surface of the one-way rod is uniformly provided with rotating turning plates.

By adopting the technical scheme, the one-way rod can drive the turnover plate to rotate under the driving of the cleaning roller.

Preferably, a limiting plate is fixed on the outer surface of the one-way rod, one end of the limiting plate is attached to the outer surface of one side of the turning plate, and a return spring is connected between the outer surface of the other side of the turning plate and the one-way rod.

By adopting the technical scheme, the turning plate can only rotate towards one side of the return spring.

Preferably, the inner side surface of the limiting frame is uniformly distributed with limiting blocks, and the limiting blocks are connected with the turning plate in a clamping manner.

By adopting the technical scheme, the limiting frame limits the movement of the turning plate through the limiting block so as to limit the one-way rod.

Compared with the prior art, the beneficial effects of the utility model are that: this marketing specialty is with teaching board:

1. the cleaning roller is arranged, the cleaning roller is used for wiping the writing board clean by utilizing the sliding friction between the cleaning roller and the writing board during the return motion, and the wiped dust is blocked among the writing board, the displacement frame and the corrugated pipe under the action of the displacement frame and the corrugated pipe, and the chalk dust is collected through the dust collection box, so that the dust is prevented from affecting the body health of teachers and the clothes are clean;

2. the telescopic columnar box is arranged, so that the telescopic columnar box can be pulled out from the writing board through the pulling board and a columnar square tower with a certain height is formed when the telescopic columnar box is required to be used through the telescopic function of the telescopic columnar box, and the columnar diagrams of various data can be visually displayed through the matching of a plurality of telescopic columnar boxes, so that the telescopic columnar box is very convenient;

3. be provided with the scraper blade, make the adnexed dust of cleaning roller surface strike off through the friction of scraper blade and cleaning roller when the cleaning roller rotates to guarantee that the surface of cleaning roller can not be covered by the dust and lead to the clipboard can't be wiped up, guaranteed the effect of cleaning roller.

Drawings

FIG. 1 is a schematic overall front sectional view of the present invention;

FIG. 2 is a schematic view of the overall sectional view of the present invention;

FIG. 3 is a schematic view of the overall sectional view of the telescopic column-shaped case of the present invention;

FIG. 4 is a schematic view of the sectional structure of the one-way lever and the turning plate of the present invention;

FIG. 5 is an enlarged schematic view of the structure at A of FIG. 1 according to the present invention;

fig. 6 is an enlarged schematic view of the structure at B in fig. 2 according to the present invention.

In the figure: 1. a writing board; 2. a dust collecting box; 3. a telescopic columnar box; 4. lifting the plate; 5. a motor; 6. a displacement rod; 7. a displacement frame; 8. a cleaning roller; 9. a squeegee; 10. a bellows; 11. a one-way lever; 12. turning over a plate; 13. a limiting plate; 14. a return spring; 15. a limiting frame; 16. and a limiting block.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-6, the present invention provides a technical solution: a teaching board for marketing major comprises a writing board 1, a dust collecting box 2, a telescopic columnar box 3, a lifting board 4, a motor 5, a displacement rod 6, a displacement frame 7, a cleaning roller 8, a scraping plate 9, a corrugated pipe 10, a one-way rod 11, a turning plate 12, a limiting plate 13, a reset spring 14, a limiting frame 15 and a limiting block 16, wherein the dust collecting box 2 is arranged on the outer surface of the lower end of two sides of the writing board 1, the telescopic columnar box 3 is installed at the lower end of the writing board 1 in an embedded mode, the telescopic columnar box 3 consists of a plurality of hollow square boxes and a solid square box which are connected in a sliding mode, the upper surface of the solid square box in the middle of the telescopic columnar box 3 is connected with the sliding lifting board 4, and the lifting board 4 slides to enable the lifting board 4 to extend out of the range of the telescopic columnar box 3, then, the telescopic columnar box 3 is lifted upwards through the lifting plate 4, so that the telescopic columnar box 3 is unfolded to form a columnar structure, and the columnar structure formed by the plurality of telescopic columnar boxes 3 quickly forms a columnar diagram.

As shown in fig. 1-6, when a motor 5 is installed inside the upper end of one side of a writing board 1, an output shaft of the motor 5 is connected with a displacement rod 6, the displacement rod 6 penetrates through the upper end of a displacement frame 7, a rotating cleaning roller 8 is installed inside the displacement frame 7 in an embedded manner, a corrugated pipe 10 is connected between the displacement frame 7 and the inner side surface of the writing board 1, the displacement rod 6 is in threaded connection with the displacement frame 7, the upper end of the displacement frame 7 is in sliding connection with the writing board 1, the lower end of the displacement frame 7 is attached to the outer surface of the writing board 1, a scraping plate 9 is fixed on the inner side surface of the displacement frame 7, the outer surface of the scraping plate 9 is attached to the outer surface of the cleaning roller 8, the outer surface of the writing board 1 is attached to the outer surface of the writing board 1, the motor 5 drives the displacement rod 6 to rotate, the displacement rod 6 drives the displacement frame 7 to slide through threaded connection with the displacement frame 7, and the displacement frame 7 slides in a direction away from the motor 5, cleaning roller 8 clockwise rotates under the frictional force drive of clipboard 1, cleaning roller 8 drives one-way rod 11 clockwise rotation, one-way rod 11 drives and turns over board 12 and rotate, it rotates and compress reset spring 14 to turn over board 12 to receive stopper 16's extrusion, cleaning roller 8 can not clean the handwriting on clipboard 1 this moment, when cleaning roller 8 is the return stroke motion, cleaning roller 8 anticlockwise rotates under clipboard 1's frictional force drive, cleaning roller 8 drives one-way rod 11 and turns over board 12 anticlockwise rotation, turn over board 12 and be blockked by limiting plate 13 and can not rotate when receiving stopper 16's extrusion, consequently cleaning roller 8 can not rotate, cleaning roller 8 takes place sliding friction and wipes off the handwriting on clipboard 1 with clipboard 1.

As shown in fig. 2, 4, 5 and 6, the upper end of the cleaning roller 8 penetrates through the upper surface of the displacement frame 7 and is connected with the one-way rod 11, the upper surface of the displacement frame 7 is fixed with the limiting frame 15, the one-way rod 11 is connected with the cleaning roller 8 in a clamping manner, the outer surface of the one-way rod 11 is uniformly distributed with the rotating turning plate 12, the outer surface of the one-way rod 11 is fixed with the limiting plate 13, one end of the limiting plate 13 is attached to the outer surface of one side of the turning plate 12, the other side of the turning plate 12 is connected with the one-way rod 11 through the return spring 14, the inner surface of the limiting frame 15 is uniformly distributed with the limiting blocks 16, the limiting blocks 16 are connected with the turning plate 12 in a clamping manner, when the one-way rod 11 rotates clockwise, the one-way rod 11 drives the turning plate 12 to rotate, the turning plate 12 is extruded and rotates by the limiting blocks 16 and compresses the return spring 14, so that the one-way rod 11 can rotate smoothly, when the one-way rod 11 rotates counterclockwise, the one-way rod 11 drives the turning plate 12 to rotate anticlockwise, the turning plate 12 is blocked by the limiting plate 13 and cannot rotate when being extruded by the limiting block 16, and therefore the one-way rod 11 cannot rotate, so that the purpose that the cleaning roller 8 cannot wipe the writing board 1 when the displacement frame 7 is far away from the motor 5 and the cleaning roller 8 can wipe self when the displacement frame 7 is in return stroke motion is achieved.

The working principle is as follows: when the teaching board for the marketing major is used, firstly, when a histogram is needed, the telescopic columnar box 3 is lifted upwards through the lifting plate 4 to be unfolded to form a columnar shape, the columnar shape formed by different unfolding degrees of the plurality of telescopic columnar boxes 3 forms the needed columnar diagram, when a blackboard needs to be wiped, the motor 5 is started to drive the displacement frame 7 to slide towards the direction far away from the motor 5, the cleaning roller 8 can rotate without erasing, the lower end of the displacement frame 7 pushes dust accumulated on the outer surface of the lower end of the writing board 1 into the dust collection box 2 through the joint with the writing board 1, then the motor 5 drives the displacement frame 7 to do return motion, the cleaning roller 8 cannot rotate under the limiting action of the limiting frame 15 and generates sliding friction with the writing board 1 to erase the writing on the writing board 1, the dust generated by the chalk writing cannot float at will under the blocking of the displacement frame 7 and the corrugated pipe 10 and finally deposits in the dust collection box 2, the overall practicability is increased.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a marketing specialty is with teaching board, includes clipboard (1), flexible column box (3), displacement frame (7), cleaning roller (8) and bellows (10), its characterized in that: the utility model discloses a writing board, including the lower extreme of the both sides of clipboard (1), the lower extreme of clipboard (1) is outer to be provided with dust-collecting box (2), the embedded flexible column box (3) of installing of lower extreme of clipboard (1), clipboard (1) one side upper end internally mounted has motor (5), the output shaft of motor (5) has displacement pole (6), displacement pole (6) run through the upper end of displacement frame (7), the embedded pivoted cleaning roller (8) of installing in inside of displacement frame (7), be connected with bellows (10) between the inboard surface of displacement frame (7) and clipboard (1), the last surface connection that runs through displacement frame (7) in the upper end of cleaning roller (8) has one-way rod (11), the last fixed surface of displacement frame (7) has spacing frame (15).

2. The teaching board for marketing specialty of claim 1 wherein: the telescopic columnar box (3) is composed of a plurality of hollow square boxes and a solid square box which are connected in a sliding mode, and the upper surface of the solid square box in the middle of the telescopic columnar box (3) is connected with a sliding lifting plate (4).

3. The teaching board for marketing specialty of claim 1 wherein: the displacement rod (6) is in threaded connection with the displacement frame (7), the upper end of the displacement frame (7) is in sliding connection with the writing board (1), and the lower end of the displacement frame (7) is attached to the outer surface of the writing board (1).

4. The teaching board for marketing specialty of claim 1 wherein: the inner side surface of the displacement frame (7) is fixed with a scraper (9), the outer surface of the scraper (9) is attached to the outer surface of the cleaning roller (8), and the outer surface of the cleaning roller (8) is attached to the outer surface of the writing board (1).

5. The teaching board for marketing specialty of claim 1 wherein: the cleaning roller is characterized in that the one-way rod (11) is connected with the cleaning roller (8) in a clamping manner, and the outer surface of the one-way rod (11) is uniformly provided with rotating turning plates (12).

6. The teaching board for marketing specialty of claim 1 wherein: a limiting plate (13) is fixed on the outer surface of the one-way rod (11), one end of the limiting plate (13) is attached to the outer surface of one side of the turning plate (12), and a return spring (14) is connected between the outer surface of the other side of the turning plate (12) and the one-way rod (11).

7. The teaching board for marketing specialty of claim 1 wherein: the inner side surface of the limiting frame (15) is uniformly distributed with limiting blocks (16), and the limiting blocks (16) are connected with the turning plate (12) in a clamping manner.