CN221913867U - A teaching board convenient for drawing - Google Patents

Abstract

The utility model discloses a teaching board that is convenient for drawing, and relates to the technical field of teaching boards, specifically a teaching board that is convenient for drawing, including a vertical pole and a teaching board, wherein the number of the vertical poles is two, and a horizontal plate is fixedly connected to the bottom of one side of the two vertical poles, and an angle adjustment component is fixedly connected to the middle of the upper surface of the horizontal plate. Through the angle adjustment component and the collection component, when in use, the dual-axis motor drives the rotating rod to rotate, and then the rotating rod rotates to drive the A pulley to rotate, and then the A pulley drives the A gear to rotate, and then the A gear rotates to drive the B gear to rotate, and then the B gear rotates to drive the teaching board to flip and rotate, and then the teaching board is placed horizontally, thereby reducing the fatigue of the arm, and then the exhaust fan is started, and then suction is generated inside the collection box, and then the suction pipe draws the dust raised during cleaning into the pipe, and then the dust is sent to the inside of the collection box through the hose, and then the raised dust is collected.

Description

A teaching board convenient for drawing

Technical Field

The utility model relates to the technical field of teaching boards, in particular to a teaching board which is convenient for drawing.

Background Art

A teaching board is a device used for writing and demonstration in the education industry. Usually, a teaching board is placed in a classroom or conference room. The content is written with chalk or a water-based pen to play the role of explanation and demonstration. The predecessor of the teaching board is the blackboard. The traditional blackboard is simply to apply black paint on the surface of a flat wooden board or cement board or other hard object, and then use chalk to write after the black paint dries.

When the existing teaching board is finished drawing, the graphics on the teaching board need to be cleaned, which can easily cause chalk dust to be raised, causing the cleaners to inhale and affecting their health. At the same time, because the height of the teaching board is too high, the draftsman has to raise his arms for a long time to draw, which can easily cause arm fatigue and affect drawing efficiency.

Utility Model Content

The utility model aims to provide a teaching board that is convenient for drawing. By setting an angle adjustment component and a collection component, the utility model solves the problem that when the drawing on the existing teaching board is finished, the graphics on the teaching board are cleaned up, which easily causes chalk dust to be raised, causing the cleaning staff to inhale and affect their health. At the same time, because the height of the teaching board is too high, the drawing staff raises their arms for a long time to draw, which easily causes arm fatigue and affects the drawing efficiency.

problem.

To achieve the above purpose, the utility model is implemented through the following technical solutions: a teaching board that is convenient for drawing, including a vertical pole and a teaching board, the number of the vertical poles is two, the bottom of one side of the two vertical poles is fixedly connected with a horizontal plate, the middle part of the upper surface of the horizontal plate is fixedly connected with an angle adjustment component, the top and bottom of the teaching board are fixedly connected with a limit plate, one side of the upper surface of one of the limit plates is fixedly connected with a dust cleaning component, the top of the two vertical poles is fixedly connected with a baffle, and one side of the upper surface of the baffle is fixedly connected with a collection component;

The angle adjustment assembly includes a dual-axis motor, both sides of the dual-axis motor are splined with drive rods, the other ends of the two drive rods are fixedly connected to rotating rods, the surface of one side of the rotating rod is rotated through the interior of the vertical pole by installing an A bearing, the other end of the rotating rod is fixedly connected to an A pulley, the side of the A pulley is rotatably connected to a B pulley through a track, one side of the B pulley is fixedly connected to a driving rod, one side of the driving rod surface is rotated again through the interior of the vertical pole by installing a B bearing, the other end of the driving rod is fixedly connected to an A gear, the tooth surface of the A gear is meshed with a B gear, the interior of the B gear is fixedly connected to a cross bar, one end of the cross bar is rotatably connected to one side of the vertical pole by installing a C bearing, and the other end of the cross bar is fixedly connected to the side of the teaching board.

Furthermore, the collecting assembly includes a collecting box, the top of the collecting box is fixedly connected to an exhaust fan, the input end of the exhaust fan is fixedly connected to an air inlet pipe, the other end of the air inlet pipe is fixedly connected to a filter plate, the other side of the filter plate is communicated with the collecting box, a filter screen is arranged inside the filter plate, one side of the collecting box is fixedly connected to a hose, the other end of the hose is fixedly connected to a connecting pipe, the other end of the connecting pipe is fixedly connected to the collecting pipe, and both sides of the surface of the collecting pipe are fixedly connected to suction pipes.

Furthermore, the cleaning component includes a motor, the output end of the motor is splined with a transmission rod, the other end of the transmission rod is fixedly connected with a positive and negative screw rod, the other end of the positive and negative screw rod is rotatably connected with a bearing seat, the bottom of the bearing seat is fixedly connected to the other side of the upper surface of one of the limit plates, the surface of the positive and negative screw rod is threadedly connected with a driving block, the bottom of the driving block is fixedly connected with a cleaning plate, and the back of the cleaning plate is fixedly connected with cleaning cotton.

Furthermore, the bottom of the vertical pole is fixedly connected to a bottom plate, both sides of the bottom of the bottom plate are fixedly connected to universal wheels, and brake pads are arranged inside the universal wheels.

Furthermore, the top and bottom of the front side of the cleaning plate are fixedly connected with a mounting plate, the surface of the mounting plate is provided with an assembly hole adapted to the collection tube, and the inner wall of the assembly hole is connected to the surface of the collection tube.

Furthermore, a discharge port is provided on the front of the collection box, and a cover plate is hingedly connected to one side of the edge of the discharge port via a hinge.

Furthermore, both sides of the cleaning plate are provided with limiting grooves matched with the limiting plates, and both sides of the front side of the cleaning plate are provided with a plurality of suction holes, and the inner walls of the suction holes are connected to the suction pipe.

The utility model provides a teaching board that is convenient for drawing and has the following beneficial effects:

Through the set angle adjustment component and collection component, when in use, the dual-axis motor drives the rotating rod to rotate, and then the rotation of the rotating rod drives the A pulley to rotate, and then the A pulley drives the A gear to rotate, and then the rotation of the A gear drives the B gear to rotate, and then the rotation of the B gear drives the teaching board to flip and rotate, and then the teaching board is placed horizontally, reducing long-term arm-raising drawing, thereby reducing arm fatigue and improving drawing efficiency. When drawing is finished and cleaning is carried out, the exhaust fan starts, and then suction is generated inside the collection box, and then the suction pipe draws the dust raised during cleaning into the pipe, and then the dust is sent to the inside of the collection box through the hose, and then the raised dust is collected, thereby reducing the harm of dust to the human body.

BRIEF DESCRIPTION OF THE DRAWINGS

In order to more clearly illustrate the implementation of the utility model or the technical solution in the prior art, the following is a brief introduction to the drawings required for the implementation or the prior art description. Obviously, the drawings in the following description are only exemplary, and for ordinary technicians in this field, other implementation drawings can be derived from the provided drawings without creative work.

FIG1 is a schematic diagram of the three-dimensional structure of the utility model;

FIG2 is a schematic diagram of the structure of the angle adjustment assembly of the utility model;

FIG3 is a schematic diagram of the structure of the dust cleaning component of the utility model;

FIG. 4 is a schematic diagram of the structure of the collecting assembly of the present invention.

Indicated in the figure:

1. Pole erection;

2. Teaching board;

3. Horizontal board;

4. Angle adjustment assembly; 401. Dual-axis motor; 402. Driving rod; 403. Rotating rod; 404. Pulley A; 405. Pulley B; 406. Gear A; 407. Gear B;

5. Limiting plate;

6. Dust removal assembly; 601. Motor; 602. Transmission rod; 603. Positive and negative threaded rod; 604. Driving block; 605. Cleaning plate; 606. Cleaning cotton;

7. Baffle;

8. Collection assembly; 801. Collection box; 802. Exhaust fan; 803. Air inlet pipe; 804. Filter; 805. Hose; 806. Collection pipe; 807. Suction pipe;

9. Bottom plate;

10. Universal wheel;

11. Cover plate.

DETAILED DESCRIPTION

Exemplary embodiments will be described in detail herein, examples of which are shown in the accompanying drawings. When the following description refers to the drawings, the same numbers in different drawings represent the same or similar elements unless otherwise indicated. The embodiments described in the following exemplary embodiments do not represent all embodiments consistent with the present disclosure. Instead, they are merely examples of devices consistent with some aspects of the present disclosure as detailed in the appended claims.

The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

Embodiment 1:

As shown in Figures 1, 2, 3 and 4, the present embodiment proposes a teaching board that is convenient for drawing, including a vertical pole 1 and a teaching board 2, the number of vertical poles 1 is two, a horizontal plate 3 is fixedly connected to the bottom of one side of the two vertical poles 1, an angle adjustment component 4 is fixedly connected to the middle of the upper surface of the horizontal plate 3, the top and bottom of the teaching board 2 are fixedly connected to a limit plate 5, one side of the upper surface of one of the limit plates 5 is fixedly connected to a dust cleaning component 6, the top of the surface of the two vertical poles 1 is fixedly connected to a baffle 7, and one side of the upper surface of the baffle 7 is fixedly connected to a collecting component 8;

The angle adjustment component 4 includes a dual-axis motor 401, both sides of the dual-axis motor 401 are spline-connected with drive rods 402, the other ends of the two drive rods 402 are fixedly connected with rotating rods 403, the surface of one side of the rotating rod 403 is rotated through the interior of the vertical pole 1 by installing an A bearing, the other end of the rotating rod 403 is fixedly connected with an A pulley 404, the side of the A pulley 404 is rotatably connected with a B pulley 405 through a track, one side of the B pulley 405 is fixedly connected with a driving rod, one side of the driving rod surface is rotated again through the interior of the vertical pole 1 by installing a B bearing, the other end of the driving rod is fixedly connected with an A gear 406, the tooth surface of the A gear 406 is meshed with a B gear 407, the interior of the B gear 407 is fixedly connected with a cross bar, one end of the cross bar is rotatably connected to one side of the vertical pole 1 by installing a C bearing, and the other end of the cross bar is fixedly connected to the teaching board 2 On the side, through the setting of the angle adjustment component 4 and the collection component 8, when in use, the dual-axis motor 401 drives the rotating rod 403 to rotate, and then the rotating rod 403 rotates to drive the A pulley 404 to rotate, and then the A pulley 404 drives the A gear 406 to rotate, and then the A gear 406 rotates to drive the B gear 407 to rotate, and then the B gear 407 rotates to drive the teaching board 2 to flip and rotate, and then the teaching board 2 is placed horizontally, reducing long-term arm-raising drawing, thereby reducing arm fatigue and improving drawing efficiency. When the drawing is finished and cleaning is carried out, the exhaust fan 802 is started, and then suction is generated inside the collection box 801, and then the suction pipe 807 draws the dust raised during cleaning into the pipe, and then the dust is sent to the inside of the collection box 801 through the hose 805, and then the raised dust is collected, thereby reducing the harm of dust to the human body.

As shown in Figures 1 and 3, the cleaning component 6 includes a motor 601, the output end of the motor 601 is splined with a transmission rod 602, the other end of the transmission rod 602 is fixedly connected with a forward and reverse screw rod 603, the other end of the forward and reverse screw rod 603 is rotatably connected with a bearing seat, the bottom of the bearing seat is fixedly connected to the other side of the upper surface of one of the limit plates 5, the surface of the forward and reverse screw rod 603 is threadedly connected with a driving block 604, the bottom of the driving block 604 is fixedly connected with a cleaning plate 605, and the back of the cleaning plate 605 is fixedly connected with cleaning cotton 606, the motor 601 drives the forward and reverse screw rod 603 to rotate, and then the forward and reverse screw rod 603 rotates to drive the block 604 to move back and forth, and then the driving block 604 reciprocates to drive the cleaning plate 605 to move, and then when the cleaning plate 605 moves, it drives the cleaning cotton 606 to move to complete the cleaning of the teaching board 2.

Embodiment 2:

The solution in Example 1 is further introduced below in combination with a specific working method, as described below:

As shown in Figures 1 and 4, the collecting component 8 includes a collecting box 801, the top of the collecting box 801 is fixedly connected to an exhaust fan 802, the input end of the exhaust fan 802 is fixedly connected to an air inlet pipe 803, the other end of the air inlet pipe 803 is fixedly connected to a filter plate, the other side of the filter plate is communicated with the collecting box 801, a filter screen 804 is arranged inside the filter plate, one side of the collecting box 801 is fixedly connected to a hose 805, the other end of the hose 805 is fixedly connected to a connecting pipe, the other end of the connecting pipe is fixedly connected to a collecting pipe 806, both sides of the surface of the collecting pipe 806 are fixedly connected to suction pipes 807, the exhaust fan 802 is started, and then suction is generated inside the collecting box 801, and then the suction pipe 807 draws the dust raised during cleaning into the pipe, and then the dust is sent to the inside of the collecting box 801 through the hose 805.

As shown in Figures 3 and 4, the top and bottom of the front side of the cleaning plate 605 are fixedly connected to mounting plates, and the surface of the mounting plate is provided with an assembly hole adapted to the collection tube 806, and the inner wall of the assembly hole is connected to the surface of the collection tube 806.

As shown in FIG1 , a discharge port is provided on the front of the collecting box 801 , and a cover plate 11 is hingedly connected to one side of the edge of the discharge port. When the collecting box 801 is overfilled with dust, the cover plate 11 can be opened to clean the dust inside the collecting box 801 .

As shown in Figure 1, the bottom of the vertical pole 1 is fixedly connected to a base plate 9, and both sides of the bottom of the base plate 9 are fixedly connected to universal wheels 10. Brake pads are arranged inside the universal wheels 10. The arrangement of the universal wheels 10 and the brake pads facilitates the movement of the device. At the same time, the brake pads limit the universal wheels 10 and fix the device.

As shown in FIG3 , both sides of the cleaning plate 605 are provided with limiting grooves matched with the limiting plate 5 , and both sides of the front side of the cleaning plate 605 are provided with a plurality of suction holes, and the inner walls of the suction holes are connected to the suction pipe 807 .

Embodiment 3:

The schemes in Example 1 and Example 2 are further introduced below in combination with specific working methods, as described below for details:

Specifically, when the teaching board for drawing is working/in use: first, the dual-axis motor 401 drives the rotating rod 403 to rotate, and then the rotating rod 403 rotates to drive the A pulley 404 to rotate, and then the A pulley 404 drives the A gear 406 to rotate, and then the A gear 406 rotates to drive the B gear 407 to rotate, and then the B gear 407 rotates to drive the teaching board 2 to flip and rotate, and then the teaching board 2 is placed horizontally, which is convenient for personnel to draw horizontally and reduce arm fatigue. Then, when the drawing is finished, the motor 601 drives the positive and negative gears to rotate. The screw rod 603 rotates, and then the positive and negative screw rods 603 rotate to drive the driving block 604 to move back and forth, and then the driving block 604 moves back and forth to drive the cleaning plate 605 to move, and then the cleaning plate 605 moves and drives the cleaning cotton 606 to move to complete the cleaning of the teaching board 2. During cleaning, the exhaust fan 802 is started, and then suction is generated inside the collection box 801, and then the suction pipe 807 draws the dust raised during cleaning into the pipe, and then the dust is sent to the inside of the collection box 801 through the hose 805 for collection, thereby reducing the harm of dust to the human body.

The electrical components appearing in this article are all connected to an external main controller and 220V AC power, and the main controller can be a conventional known device that controls a computer, etc. The specific implementation method of the present disclosure omits the detailed description of known functions and known components. To ensure the compatibility of the equipment, the operating methods used are consistent with the parameters of marketed equipment.

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

Claims (7)

1. The utility model provides a teaching board convenient to drawing, includes pole setting (1) and teaching board (2), its characterized in that: the number of the vertical rods (1) is two, the bottoms of one side of the vertical rods (1) are fixedly connected with transverse plates (3), the middle parts of the upper surfaces of the transverse plates (3) are fixedly connected with angle adjusting assemblies (4), the tops and the bottoms of the teaching plates (2) are fixedly connected with limiting plates (5), one side of the upper surfaces of one limiting plate (5) is fixedly connected with ash removing assemblies (6), the tops of the surfaces of the two vertical rods (1) are fixedly connected with baffle plates (7), and one side of the upper surfaces of the baffle plates (7) is fixedly connected with collecting assemblies (8);

The angle adjusting assembly (4) comprises a double-shaft motor (401), wherein two sides of the double-shaft motor (401) are in spline connection with a driving rod (402), two ends of the driving rod (402) are fixedly connected with a rotating rod (403), one side of the rotating rod (403) is rotatably penetrated into the vertical rod (1) through an installation A bearing, the other end of the rotating rod (403) is fixedly connected with an A belt pulley (404), the side surface of the A belt pulley (404) is rotatably connected with a B belt pulley (405) through a crawler belt, one side of the B belt pulley (405) is fixedly connected with a driving rod, one side of the surface of the driving rod is rotatably penetrated into the vertical rod (1) through an installation B bearing, the other end of the driving rod is fixedly connected with an A gear (406), tooth surface of the A gear (406) is meshed with a B gear (407), one end of the cross rod is rotatably connected with one side of the vertical rod (1) through an installation C bearing, and the other end of the cross rod is fixedly connected with the side surface of a teaching board (2).

2. A teaching board for facilitating drawing according to claim 1, characterized in that: the collecting assembly (8) comprises a collecting box (801), an exhaust fan (802) is fixedly connected to the top of the collecting box (801), an air inlet pipe (803) is fixedly connected to the input end of the exhaust fan (802), a filter disc is fixedly connected to the other end of the air inlet pipe (803), the other side of the filter disc is communicated with the collecting box (801), a filter screen (804) is arranged in the filter disc, a hose (805) is fixedly connected to one side of the collecting box (801), a connecting pipe is fixedly connected to the other end of the hose (805), a collecting pipe (806) is fixedly connected to the other end of the connecting pipe, and suction pipes (807) are fixedly connected to the two sides of the surface of the collecting pipe (806).

3. A teaching board for facilitating drawing according to claim 1, characterized in that: the ash removal assembly (6) comprises a motor (601), the output spline of motor (601) is connected with transfer line (602), the other end fixedly connected with positive and negative tooth lead screw (603) of transfer line (602), the other end rotation of positive and negative tooth lead screw (603) is connected with the bearing frame, the bottom fixedly connected with of bearing frame in one of them the opposite side of limiting plate (5) upper surface, the surface threaded connection of positive and negative tooth lead screw (603) drives piece (604), the bottom fixedly connected with clearance board (605) that drives piece (604), the back fixedly connected with clearance cotton (606) of clearance board (605).

4. A teaching board for facilitating drawing according to claim 1, characterized in that: the bottom of pole setting (1) fixedly connected with bottom plate (9), the equal fixedly connected with universal wheel (10) in both sides of bottom plate (9) bottom, the inside of universal wheel (10) is provided with the brake block.

5. A teaching board for facilitating drawing according to claim 3, characterized in that: the cleaning plate (605) is characterized in that the top and the bottom of the front face of the cleaning plate are fixedly connected with mounting plates, the surfaces of the mounting plates are provided with assembly holes matched with the collecting pipes (806), and the inner walls of the assembly holes are connected with the surfaces of the collecting pipes (806).

6. A teaching board for facilitating drawing according to claim 2, characterized in that: the front of the collecting box (801) is provided with a discharge hole, and one side of the edge of the discharge hole is hinged with a cover plate (11) through a hinge.

7. A teaching board for facilitating drawing according to claim 3, characterized in that: limiting grooves matched with the limiting plates (5) are formed in two sides of the cleaning plate (605), a plurality of suction holes are formed in two sides of the front face of the cleaning plate (605), and the inner walls of the suction holes are connected with the suction pipes (807).