CN215341501U

CN215341501U - Demonstration device for practical training teaching based on computer application

Info

Publication number: CN215341501U
Application number: CN202121550703.3U
Authority: CN
Inventors: 赵炜
Original assignee: Individual
Current assignee: Individual
Priority date: 2021-07-08
Filing date: 2021-07-08
Publication date: 2021-12-28
Anticipated expiration: 2031-07-08

Abstract

The utility model relates to the field of computer teaching, in particular to a demonstration device for practical training teaching applied to a computer, which comprises a box body, wherein the side surface of the inner wall of the box body is fixedly connected with an air cylinder, the top surface of the air cylinder is fixedly connected with a fixed rod, the top surface of the fixed rod is fixedly connected with a demonstration screen, the left side and the right side of the front surface of the demonstration screen are fixedly connected with toothed plates, the front surface of each toothed plate is in transmission connection with a gear, one side opposite to the two gears is fixedly connected with a rotating rod, and the two ends of each rotating rod extend to the opposite side of the two gears and are respectively and rotatably connected with the left side and the right side of the inner wall of the box body. The device stretches out through the cylinder and drives the dead lever and shift up, makes the dead lever drive the demonstration screen and shifts up, then moves up through the positive pinion rack of demonstration screen and drives the gear rotatory, makes the brush roll rotatory brush to the surface of demonstration screen and sweeps, then just scrapes the dust of brushing down the brush roll surface through the side of scraper blade in falling the containing box, guarantees the effect of sweeping the demonstration screen.

Description

Demonstration device for practical training teaching based on computer application

Technical Field

The utility model relates to the field of computer teaching, in particular to a demonstration device for practical training teaching based on computer application.

Background

The practical training teaching is that the practical working environment is simulated, practical cases from real working projects are adopted for teaching, teaching process theory is combined with practice, participation learning of students is emphasized, and the students can be improved in the aspects of professional skills, practical experience, working methods, team cooperation and the like in the shortest time.

When the existing device is used, the steps operated by an operator are propagated and demonstrated through the display screen, but the display screen is exposed in the air, so that when the device is not used, the display screen is easy to collide, the possibility of damage exists, and the practicability is poor; and the display screen exposes in the air for a long time, and dust easily adheres to the surface of the display screen, and the display screen needs to be cleaned regularly by a user, so that the operation is troublesome.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a demonstration device for practical training teaching based on computer application, which aims to solve the problems that the prior art proposes that: the display screen exposes in the air, when not using the device, the display screen receives the collision easily, has the possibility of damaging, and the display screen exposes in the air for a long time, and its surface adheres the dust easily, needs the user regularly to clean it, the comparatively trouble problem of operation.

In order to achieve the purpose, the utility model provides the following technical scheme: the utility model provides a real presentation device for teaching of instructing based on computer application, the power distribution box comprises a box body, the side fixedly connected with cylinder of box inner wall, the top surface fixedly connected with dead lever of cylinder, the top surface fixedly connected with demonstration screen of dead lever, the equal fixedly connected with pinion rack in both sides about the demonstration screen is positive, the positive transmission of pinion rack is connected with the gear, two one side fixedly connected with bull stick that the gear is relative, the both ends of bull stick all extend to one side that two gears carried on the back mutually respectively and with the box inner wall both sides about rotate and be connected, the brush roll has been cup jointed to the side of bull stick fixedly.

The brush roll is characterized in that a containing box is movably inserted in the front of the box body, a containing box is fixedly connected to the rear side of the containing box, scraping plates are fixedly connected to the left side and the right side of the inner wall of the containing box, and the side faces of the scraping plates are abutted to the side faces of the brush roll.

Preferably, the bottom surface of the box body is provided with a self-locking universal wheel.

Preferably, the top surface of the demonstration screen is fixedly connected with a cover plate, and the length of the cover plate is equal to that of the inner wall of the top surface of the box body.

Preferably, a handle is fixedly connected to the front surface of the storage box.

Preferably, the storage box is arc-shaped and is arranged right below the brush roller.

Preferably, the scraper is Y-shaped, and the length of the scraper is equal to that of the storage box.

Compared with the prior art, the utility model has the beneficial effects that:

according to the demonstration screen cleaning device, the air cylinder stretches out to drive the fixing rod to move upwards, so that the fixing rod drives the demonstration screen to move upwards, then the toothed plate on the front side of the demonstration screen moves upwards to drive the gear to rotate, so that the brush roller rotates to brush the surface of the demonstration screen, then dust brushed down from the surface of the brush roller is scraped down into the containing box through the side face of the scraper plate, and the effect of continuous brushing of the brush roller on the demonstration screen is guaranteed.

According to the demonstration screen storage device, the cylinder stretches out and contracts to match the fixed rod to drive the demonstration screen to move downwards, the toothed plate is driven to move downwards to drive the gear to rotate to drive the brush roller to brush the surface of the used demonstration screen, then the demonstration screen is stored in the box body to protect the demonstration screen, the size of the device is reduced, and the sealing performance of the demonstration screen stored in the box body is improved through the cover plate.

Drawings

FIG. 1 is a schematic perspective view of the present invention;

FIG. 2 is a partial perspective sectional view of the present invention;

FIG. 3 is an enlarged view of the structure of FIG. 2;

fig. 4 is a sectional view of a partial three-dimensional structure of the present invention.

In the figure: 1. a box body; 2. a cylinder; 3. fixing the rod; 4. a demonstration screen; 5. a toothed plate; 6. a gear; 7. a rotating rod; 8. a brush roll; 9. a squeegee; 10. a storage box; 11. a storage box; 12. a handle.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be obtained by workers skilled in the art without any inventive work based on the embodiments of the present invention, are within the scope of the present invention.

Referring to fig. 1 to 4, the present invention provides a technical solution: a demonstration device for practical training teaching based on computer application comprises a box body 1, wherein a cylinder 2 is fixedly connected to the side surface of the inner wall of the box body 1, a fixed rod 3 is fixedly connected to the top surface of the cylinder 2, a demonstration screen 4 is fixedly connected to the top surface of the fixed rod 3, toothed plates 5 are fixedly connected to the left side and the right side of the front surface of the demonstration screen 4, gears 6 are connected to the front surface of the toothed plates 5 in a transmission manner, a rotating rod 7 is fixedly connected to one side, opposite to the two gears 6, of the two gears 7, two ends of the rotating rod 7 extend to one side, opposite to each other, of the two gears 6 and are respectively and rotatably connected with the left side and the right side of the inner wall of the box body 1, a brush roller 8 is fixedly sleeved on the side surface of the rotating rod 7, the demonstration screen 4 is driven to move upwards through the cylinder 2, then the gear 6 is driven to rotate through the upward movement of the toothed plate 5 on the front surface of the demonstration screen 4, the brush roller 8 is driven to rotate to brush the surface of the demonstration screen 4, then dust brushed down by the side surface of the brush roller 9 falls into a containing box 11, the effect that the brush roller 8 continuously brushes the demonstration screen 4 is ensured.

The storage box 10 is movably inserted in the front of the box body 1, the storage box 11 is fixedly connected to the rear side of the storage box 10, the scraping plates 9 are fixedly connected to the left side and the right side of the inner wall of the storage box 11, and the side faces of the scraping plates 9 abut against the side faces of the brush roller 8.

In this embodiment, as shown in fig. 1, 2 and 4, the bottom surface of the box body 1 is provided with a self-locking universal wheel, and the device is convenient to move and fix through the self-locking universal wheel.

In this embodiment, as shown in fig. 1, fig. 2 and fig. 4, the top surface fixedly connected with apron of demonstration screen 4, the length of apron equals with the length of 1 top surface inner wall of box, when accomodating box 1 in through demonstration screen 4, guarantees the leakproofness of box 1 through the apron.

In this embodiment, as shown in fig. 1 and 2, a handle 12 is fixedly connected to the front surface of the storage box 10, and a user pulls the storage box 10 to take out the storage box 11 and clean dust in the storage box 11.

In this embodiment, as shown in fig. 2 and 3, the storage box 11 is arc-shaped, and the storage box 11 is located right under the brush roller 8, so that dust falling from the demonstration screen 4 brushed by the brush roller 8 can be collected conveniently.

In the embodiment, as shown in fig. 3, the scraper 9 is Y-shaped, and the length of the scraper 9 is equal to that of the storage box 11, so that the dust on the surface of the brush roller 8 can be brushed off by the Y-shaped scraper 9 when the brush roller 8 rotates forward and backward.

The use method and the advantages of the utility model are as follows: when the demonstration device for practical training teaching based on computer application is used, the working process is as follows:

as shown in fig. 1, 2, 3 and 4, the fixed rod 3 is driven to move upwards by extending the cylinder 2, so that the fixed rod 3 drives the demonstration screen 4 to move upwards, then the toothed plate 5 on the front side of the demonstration screen 4 moves upwards to drive the gear 6 to rotate, so that the brush roller 8 rotates to brush the surface of the demonstration screen 4, and then dust brushed down from the surface of the brush roller 8 is scraped into the containing box 11 by the side surface of the scraper 9, so that the brushing effect of the brush roller 8 on the demonstration screen 4 is ensured;

after the device uses the completion, stretch out shrink fit dead lever 3 through cylinder 2 and drive demonstration screen 4 and move down, drive pinion rack 5 and move down and make 6 rotations of gear make brush roll 8 brush the surface of demonstration screen 4 after using and sweep, then accomodate demonstration screen 4 to the inside of box 1, protect demonstration screen 4, and reduce the volume of device.

The foregoing shows and describes the general principles, essential features, and advantages of the utility model. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, and the preferred embodiments of the present invention are described in the above embodiments and the description, and are not intended to limit the present invention. The scope of the utility model is defined by the appended claims and equivalents thereof.

Claims

1. The utility model provides a real presentation device for teaching of instructing based on computer application, includes box (1), its characterized in that: the side surface of the inner wall of the box body (1) is fixedly connected with an air cylinder (2), the top surface of the air cylinder (2) is fixedly connected with a fixed rod (3), the top surface of the fixed rod (3) is fixedly connected with a demonstration screen (4), the left side and the right side of the front surface of the demonstration screen (4) are fixedly connected with toothed plates (5), the front surface of each toothed plate (5) is in transmission connection with a gear (6), one opposite side of the two gears (6) is fixedly connected with a rotating rod (7), two ends of each rotating rod (7) extend to the opposite side of the two gears (6) and are respectively in rotating connection with the left side and the right side of the inner wall of the box body (1), and brush rolls (8) are fixedly sleeved on the side surfaces of the rotating rods (7);

the brush roller brush is characterized in that a containing box (10) is movably inserted into the front of the box body (1), a containing box (11) is fixedly connected to the rear side of the containing box (10), scrapers (9) are fixedly connected to the left side and the right side of the inner wall of the containing box (11), and the side faces of the scrapers (9) are abutted to the side faces of the brush roller (8).

2. The demonstration device for practical training teaching based on computer application according to claim 1, characterized in that: the bottom surface of the box body (1) is provided with self-locking universal wheels.

3. The demonstration device for practical training teaching based on computer application according to claim 1, characterized in that: the top surface fixedly connected with apron of demonstration screen (4), the length of apron equals with the length of box (1) top surface inner wall.

4. The demonstration device for practical training teaching based on computer application according to claim 1, characterized in that: the front surface of the containing box (10) is fixedly connected with a handle (12).

5. The demonstration device for practical training teaching based on computer application according to claim 1, characterized in that: the storage box (11) is arc-shaped, and the storage box (11) is arranged right below the brush roller (8).

6. The demonstration device for practical training teaching based on computer application according to claim 1, characterized in that: the scraper (9) is Y-shaped, and the length of the scraper (9) is equal to that of the storage box (11).