CN216211727U - Computer teaching board for history teaching - Google Patents
Computer teaching board for history teaching Download PDFInfo
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- CN216211727U CN216211727U CN202122679562.1U CN202122679562U CN216211727U CN 216211727 U CN216211727 U CN 216211727U CN 202122679562 U CN202122679562 U CN 202122679562U CN 216211727 U CN216211727 U CN 216211727U
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Abstract
The utility model discloses a computer teaching board for history teaching, which relates to the technical field of computer teaching devices and comprises a computer teaching board main body, wherein the back surface of the computer teaching board main body is fixedly connected with a connecting back board, the outer surface of the connecting back board is fixedly connected with a sliding sleeve, one side of the sliding sleeve is provided with a height adjusting mechanism, and the inside of the connecting back board is provided with an electrostatic dust prevention mechanism. According to the utility model, through the matching of the sliding rod, the clamping groove, the clamping block, the movable groove, the rotating column, the rotating roller and the spring, when the height of the computer teaching board main body needs to be adjusted, the computer teaching board main body and the connecting back plate are pulled upwards to drive the sliding sleeve to move, so that the clamping block compresses the spring under the action of extrusion force, slides towards the inside of the movable groove and moves upwards along the sliding rod, and when the clamping block is clamped with the clamping groove, the height adjustment of the device can be completed, and the learning efficiency of students is improved.
Description
Technical Field
The utility model relates to a history computer teaching board, relates to the technical field of computer teaching devices, and particularly relates to a computer teaching board for history teaching.
Background
The teaching is a unique talent culture activity of human beings, which is formed by the teaching of teachers and the learning of students, through the activity, the teachers purposefully, planningly and organically guide the students to study actively and consciously and accelerate the mastering of basic knowledge and basic skill of cultural science, promote the comprehensive improvement of the multi-aspect quality of the students, enable the students to become people required by the society to teach the students the scientific knowledge of the system, train the students to form the basic skill and skill, and develop the intelligence and ability of the students. The computer teaching board can show the knowledge points vividly and vividly, help students understand and learn better and improve the learning efficiency of the students.
The following problems exist in the prior art:
1. the height adjustment of the existing computer teaching board is troublesome, the watching effect of students in partial areas is influenced, and the learning efficiency of the students is influenced;
2. the screen and the machine body of the existing computer teaching board can adsorb more dust in the using process, and if the computer teaching board is not processed, the problem of poor definition of the teaching board can be caused.
SUMMERY OF THE UTILITY MODEL
The utility model provides a computer teaching board for history teaching, which has the capability of conveniently adjusting the height of the computer teaching board and solves the problem that the learning efficiency of students is influenced due to the troublesome height adjustment of the computer teaching board; the other purpose is to solve the problem that dust can be adsorbed on the screen and the machine body, so that the effect of guaranteeing the definition of the teaching board is achieved.
In order to solve the technical problems, the technical scheme adopted by the utility model is as follows:
the utility model provides a computer teaching board for history teaching, includes computer teaching board main part, the back fixedly connected with of computer teaching board main part connects the backplate, fixedly connected with sliding sleeve on the surface of connection backplate, one side of sliding sleeve is provided with height adjusting mechanism, the inside of connecting the backplate is provided with the dustproof mechanism of static.
The height adjusting mechanism comprises a sliding rod, the outer surface of the sliding rod is movably connected with the inner wall of the sliding sleeve, and a clamping groove, a clamping block, a rotating roller and a spring are arranged on one side of the sliding rod.
The electrostatic dustproof mechanism comprises an air inlet, the air inlet is arranged on the outer surface of the connecting back plate, and an electrostatic generating device, an electrostatic conducting rod, an electrostatic adsorption plate and a dust collecting sleeve plate are arranged on one side of the air inlet.
The technical scheme of the utility model is further improved as follows: the outer surface of the sliding rod is provided with a movable groove, the inner wall of the movable groove is movably connected with a rotating column, and the inner wall of the rotating roller is fixedly connected with the outer surface of the rotating column.
The technical scheme of the utility model is further improved as follows: the outer surface of the clamping block is fixedly connected with the outer surface of the rotating roller, the outer surface of the clamping block is fixedly connected with the outer surface of one end of the spring, and the other end of the spring is fixedly connected with the inner wall of the movable groove.
The technical scheme of the utility model is further improved as follows: the clamping groove is formed in the outer surface of the sliding sleeve, the inner wall of the clamping groove is movably connected with the outer surface of the clamping block, and the outer surface of the clamping block is movably connected with the inner wall of the movable groove.
The technical scheme of the utility model is further improved as follows: the bottom of the inner cavity of the air inlet is fixedly connected with a ventilating plate, the lower surface of the ventilating plate is fixedly connected with a ventilating fan, and the outer surface of the static electricity generating device is fixedly connected with the inner wall of the connecting back plate.
The technical scheme of the utility model is further improved as follows: the one end surface that the stick was led out to the static is connected with static generating device's last fixed surface, the inner wall of electrostatic absorption board is connected with the surface fixed surface that the stick was derived to static, the surface of lagging is collected to the dust and the inner wall swing joint who is connected the backplate, the inner wall of lagging is collected to the dust and the surface swing joint of stick is derived to static, the back swing joint who connects the backplate has the back of the body to open the door.
Due to the adoption of the technical scheme, compared with the prior art, the utility model has the technical progress that:
1. the utility model provides a computer teaching board for history teaching, which adopts the matching among a slide bar, a clamping groove, a clamping block, a movable groove, a rotating column, a rotating roller and a spring, when the height of a computer teaching board main body needs to be adjusted, the computer teaching board main body and a connecting back plate are pulled upwards to drive a sliding sleeve to move, so that the clamping block compresses the spring under the action of extrusion force, slides towards the inside of the movable groove and moves upwards along the slide bar, when the clamping block is clamped with the clamping groove, the height adjustment of the device can be completed, and the learning efficiency of students is improved.
2. The utility model provides a computer teaching board for history teaching, which adopts the matching among an air inlet, a ventilation plate, a ventilation fan, an electrostatic generating device, a static electricity discharging rod, an electrostatic adsorption plate, a dust collecting sleeve plate and a back-opening door.
Drawings
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a schematic perspective sectional view of the structural height adjustment mechanism of the present invention;
FIG. 3 is a schematic perspective cross-sectional view of the electrostatic dust-proof mechanism of the present invention;
fig. 4 is a schematic cross-sectional view of a structural latch according to the present invention.
In the figure: 1. a computer teaching board main body; 11. connecting the back plate; 12. a sliding sleeve;
2. a height adjustment mechanism; 21. a slide bar; 22. a card slot; 23. a clamping block; 24. a movable groove; 25. rotating the column; 26. rotating the drum; 27. a spring;
3. an electrostatic dust prevention mechanism; 31. an air inlet; 32. a gas permeable plate; 33. a ventilation fan; 34. a static electricity generating device; 35. static electricity is led out of the rod; 36. an electrostatic adsorption plate; 37. a dust collection sheathing; 38. the door is opened backwards.
Detailed Description
The present invention will be described in further detail with reference to the following examples:
example 1
As shown in fig. 1-4, the present invention provides a computer teaching board for history teaching, comprising a computer teaching board main body 1, a connection back board 11 is fixedly connected to the back of the computer teaching board main body 1, a sliding sleeve 12 is fixedly connected to the outer surface of the connection back board 11, a height adjusting mechanism 2 is arranged at one side of the sliding sleeve 12, an electrostatic dust-proof mechanism 3 is arranged inside the connection back board 11, the height adjusting mechanism 2 comprises a sliding rod 21, the outer surface of the sliding rod 21 is movably connected to the inner wall of the sliding sleeve 12, a clamping groove 22, a clamping block 23, a rotary drum 26 and a spring 27 are arranged at one side of the sliding rod 21, the electrostatic dust-proof mechanism 3 comprises an air inlet 31, the air inlet 31 is arranged on the outer surface of the connection back board 11, an electrostatic generating device 34, an electrostatic discharge rod 35, an electrostatic adsorption board 36 and a dust collection sleeve board 37 are arranged at one side of the air inlet 31, the outer surface of the sliding rod 21 is provided with a movable groove 24, the inner wall of the movable groove 24 is movably connected with a rotating column 25, the inner wall of a rotating roller 26 is fixedly connected with the outer surface of the rotating column 25, the outer surface of the clamping block 23 is fixedly connected with the outer surface of the rotating roller 26, the outer surface of the clamping block 23 is fixedly connected with the outer surface of one end of a spring 27, and the other end of the spring 27 is fixedly connected with the inner wall of the movable groove 24.
In this embodiment, when the height of the computer teaching board body 1 needs to be adjusted, the computer teaching board body 1 and the connecting back plate 11 are pulled upward, so that the sliding sleeve 12 moves upward along the sliding rod 21 while the latch 23 is pressed to rotate along the rotating post 25 and the rotating roller 26, and the spring 27 is compressed, thereby facilitating the adjustment of the height.
Example 2
As shown in fig. 1 to 4, on the basis of embodiment 1, the present invention provides a technical solution: preferably, the clamping groove 22 is formed in the outer surface of the sliding sleeve 12, the inner wall of the clamping groove 22 is movably connected with the outer surface of the clamping block 23, the outer surface of the clamping block 23 is movably connected with the inner wall of the movable groove 24, the bottom of the inner cavity of the air inlet 31 is fixedly connected with the ventilating plate 32, the lower surface of the ventilating plate 32 is fixedly connected with the ventilating fan 33, and the outer surface of the static electricity generating device 34 is fixedly connected with the inner wall of the connecting back plate 11.
In this embodiment, when the latch 23 moves to the slot 22 with a corresponding height, the latch 23 is ejected by the compression spring 27 to be engaged with the inner wall of the slot 22, so as to fix the position of the computer teaching board main body 1, and when the dust content in the air is high, the air with dust is firstly introduced into the dust absorption device by the ventilation fan 33 for processing.
Example 3
As shown in fig. 1 to 4, on the basis of embodiment 1, the present invention provides a technical solution: preferably, the outer surface of one end of the static electricity leading-out rod 35 is fixedly connected with the upper surface of the static electricity generating device 34, the inner wall of the static electricity adsorption plate 36 is fixedly connected with the outer surface of the static electricity leading-out rod 35, the outer surface of the dust collection sleeve plate 37 is movably connected with the inner wall of the connection back plate 11, the inner wall of the dust collection sleeve plate 37 is movably connected with the outer surface of the static electricity leading-out rod 35, and the back surface of the connection back plate 11 is movably connected with the back opening door 38.
In this embodiment, after the dust-carrying gas is introduced, a large amount of electrostatic particles carrying charges are generated by the electrostatic generator 34, and the electrostatic particles are led out by the electrostatic lead-out rod 35, so that the electrostatic particles carrying charges are attached to the outer surface of the dust, and are adsorbed to each other by the electrostatic particles carrying opposite charges, and are deposited on the electrostatic adsorption plate 36 and the dust collection sleeve plate 37, and finally, the adsorbed dust is subjected to subsequent treatment by the back-opening door 38.
The operation of the computer teaching board for history teaching will be described in detail below.
As shown in fig. 1-4, when the height of the computer teaching board main body 1 needs to be adjusted, the computer teaching board main body 1 and the connection back plate 11 are pulled upwards, so that the sliding sleeve 12 moves upwards along the sliding rod 21, the clamping block 23 is pressed, rotates along the rotating post 25 and the rotating roller 26, and compresses the spring 27, when the clamping block 23 moves to the clamping groove 22 with the corresponding height, the clamping block 23 is ejected out under the action of the compression spring 27 and clamped with the inner wall of the clamping groove 22, the position of the computer teaching board main body 1 is fixed, when the dust content in the air is large, the air carrying dust is firstly introduced into the dust absorption device through the ventilation fan 33, then a large amount of electrostatic particles carrying charges are generated through the static electricity generation device 34, the electrostatic particles are led out through the static electricity leading-out rod 35, so that the electrostatic particles carrying charges are attached to the outer surface of the dust, and mutually adsorb with the electrostatic particles carrying opposite charges, deposit at the electrostatic adsorption plate 36 and the dust collection sleeve plate 37, and finally carry out subsequent treatment on the adsorbed dust through a back-opening door 38.
The present invention has been described in general terms in the foregoing, but it will be apparent to those skilled in the art that modifications and improvements can be made thereto based on the present invention. Therefore, modifications or improvements are within the scope of the utility model without departing from the spirit of the inventive concept.
Claims (6)
1. A computer teaching board for history teaching, comprising a computer teaching board main body (1), a connection back board (11) is fixedly connected to the back of the computer teaching board main body (1), a sliding sleeve (12) is fixedly connected to the outer surface of the connection back board (11), characterized in that: a height adjusting mechanism (2) is arranged on one side of the sliding sleeve (12), and an electrostatic dust prevention mechanism (3) is arranged inside the connecting back plate (11);
the height adjusting mechanism (2) comprises a sliding rod (21), the outer surface of the sliding rod (21) is movably connected with the inner wall of the sliding sleeve (12), and a clamping groove (22), a clamping block (23), a rotating roller (26) and a spring (27) are arranged on one side of the sliding rod (21);
the electrostatic dustproof mechanism (3) comprises an air inlet (31), the air inlet (31) is arranged on the outer surface of the connecting back plate (11), and one side of the air inlet (31) is provided with an electrostatic generating device (34), an electrostatic leading-out rod (35), an electrostatic adsorption plate (36) and a dust collecting sleeve plate (37).
2. A computer teaching board for history teaching according to claim 1, wherein: a movable groove (24) is formed in the outer surface of the sliding rod (21), a rotating column (25) is movably connected to the inner wall of the movable groove (24), and the inner wall of the rotating roller (26) is fixedly connected with the outer surface of the rotating column (25).
3. A computer teaching board for history teaching according to claim 1, wherein: the outer surface of the clamping block (23) is fixedly connected with the outer surface of the rotating roller (26), the outer surface of the clamping block (23) is fixedly connected with the outer surface of one end of the spring (27), and the other end of the spring (27) is fixedly connected with the inner wall of the movable groove (24).
4. A computer teaching board for history teaching according to claim 1, wherein: the clamping groove (22) is formed in the outer surface of the sliding sleeve (12), the inner wall of the clamping groove (22) is movably connected with the outer surface of the clamping block (23), and the outer surface of the clamping block (23) is movably connected with the inner wall of the movable groove (24).
5. A computer teaching board for history teaching according to claim 1, wherein: the bottom of the inner cavity of the air inlet (31) is fixedly connected with a ventilation plate (32), the lower surface of the ventilation plate (32) is fixedly connected with a ventilation fan (33), and the outer surface of the static electricity generating device (34) is fixedly connected with the inner wall of the connecting back plate (11).
6. A computer teaching board for history teaching according to claim 1, wherein: the one end surface of static electricity conductance play stick (35) is connected with the last fixed surface of static electricity generating device (34), the inner wall of electrostatic absorption board (36) and the outer fixed surface who goes out stick (35) of static electricity are connected, the surface of dust collection lagging (37) and the inner wall swing joint who is connected backplate (11), the inner wall of dust collection lagging (37) and the outer surface swing joint of static electricity conductance play stick (35), the back swing joint who connects backplate (11) has back of the body to open door (38).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122679562.1U CN216211727U (en) | 2021-11-03 | 2021-11-03 | Computer teaching board for history teaching |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122679562.1U CN216211727U (en) | 2021-11-03 | 2021-11-03 | Computer teaching board for history teaching |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216211727U true CN216211727U (en) | 2022-04-05 |
Family
ID=80901227
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202122679562.1U Active CN216211727U (en) | 2021-11-03 | 2021-11-03 | Computer teaching board for history teaching |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216211727U (en) |
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2021
- 2021-11-03 CN CN202122679562.1U patent/CN216211727U/en active Active
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