CN215360663U - Linux operating system teaching demonstration device - Google Patents
Linux operating system teaching demonstration device Download PDFInfo
- Publication number
- CN215360663U CN215360663U CN202120809668.6U CN202120809668U CN215360663U CN 215360663 U CN215360663 U CN 215360663U CN 202120809668 U CN202120809668 U CN 202120809668U CN 215360663 U CN215360663 U CN 215360663U
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- demonstration board
- shell
- fixed pulley
- operating system
- limiting plate
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Abstract
The utility model provides a Linux operating system teaching demonstration device, and belongs to the technical field of demonstration teaching aids. Including the demonstration board, the demonstration board downside is equipped with dust extraction, dust extraction is equipped with the haulage rope, the demonstration board is gone up the side and is equipped with the spout, the demonstration board is gone up the side and is equipped with the fixed pulley, the fixed pulley below is equipped with the pole, the pole below is equipped with the pulley, pulley and spout sliding connection, the pole is equipped with the limiting plate perpendicularly, be equipped with the through-hole in the limiting plate, the haulage rope other end passes through-hole and fixed pulley in proper order, the haulage rope passes the one end of fixed pulley and through-hole in proper order and is equipped with the blackboard eraser, limiting plate one side is equipped with the action bars downwards, demonstration board front bilateral symmetry is equipped with the buckle. The blackboard eraser has the advantages of simple structure, convenience in use, energy conservation and environmental protection, and can effectively absorb dust generated by the blackboard and collect the dust together, thereby facilitating the future treatment.
Description
Technical Field
The utility model provides a Linux operating system teaching demonstration device, and belongs to the technical field of demonstration teaching aids.
Background
The teaching demonstration device is applied in various ways, the blackboard is one of the blackboard, the traditional black and white blackboard is written by chalk, the chalk inevitably generates chalk dust when being written and cleaned, the dust can be diffused in the air and can be inhaled by a human body or pollute the indoor environment, even if the chalk is cleaned all the time, the chalk can be inhaled by people in the cleaning process, the nose, the oral cavity and other parts are stimulated, the discomfort of people is caused, the traditional blackboard is relatively single in function, a platform is not well combined, and a plurality of improved places are still provided.
SUMMERY OF THE UTILITY MODEL
In order to solve the problems, the utility model provides a Linux operating system teaching demonstration device. In order to solve the problems, the provided technical scheme is as follows: a Linux operating system teaching demonstration device comprises a demonstration board, wherein a dust suction device is arranged on the lower side surface of the demonstration board and comprises a shell, a funnel-shaped opening attached to the demonstration board is formed in the upper side surface of the shell, a plurality of supporting rods are arranged in the shell in a rotating mode and are provided with rope collecting rollers, torsion springs are arranged in the rope collecting rollers, the other ends of the torsion springs are fixedly connected with the shell, ratchet wheels are arranged between the rope collecting rollers and the shell, fan blades are arranged outside the ratchet wheels, grooves are formed in the ratchet wheels, rotating discs are arranged in the grooves of the supporting rods and are provided with pawls matched with the ratchet wheels to work in a rotating mode, the rotating discs are provided with elastic pieces which are fixedly connected with the pawls, a plurality of air vents are formed in one side, close to the rope collecting rollers, of the shell, and traction ropes are arranged on the rope collecting rollers, the demonstration board is characterized in that a chute is arranged on the upper side of the demonstration board, a fixed pulley is arranged on the upper side of the demonstration board, a rod is arranged below the fixed pulley, a pulley is arranged below the rod, the pulley is connected with the chute in a sliding mode, the rod is perpendicularly provided with a limiting plate, a through hole is formed in the limiting plate, the other end of the traction rope sequentially penetrates through the through hole and the fixed pulley, a blackboard eraser is arranged at one end, through which the traction rope sequentially penetrates through the fixed pulley and the through hole, an operating rod is arranged on one side of the limiting plate downwards, and buckles are symmetrically arranged on two sides of the front surface of the demonstration board.
The utility model has the advantages that:
the blackboard has the advantages of simple structure, convenient use, energy conservation and environmental protection, can effectively absorb dust generated by the blackboard and collect the dust together, is convenient for future treatment, and can be used for placing a plurality of teaching tools on the blackboard, thereby reducing frequent turning of teaching personnel between the blackboard and the platform and saving physical energy.
Further, the operating rod is provided with a handle and an illuminating lamp, the fixed pulley can be easily moved left and right in the sliding groove by using the handle, and light supplement can be performed when light is insufficient.
Furthermore, the demonstration board is located the spout both ends and is equipped with the baffle, prevents when the high-speed slip because inertia, the fixed pulley is by the roll-off spout.
Furthermore, a plurality of chalk grooves are formed in one side of the demonstration board, and chalk placement is convenient to prevent.
Furthermore, a recycling bag is arranged on the side face, located on the vent hole, of the shell, and an air filter element is arranged between the recycling bag and the shell.
Drawings
FIG. 1 is a front view of a Linux operating system teaching demonstration device provided by the utility model.
FIG. 2 is a right side view of a Linux operating system teaching demonstration device provided by the present invention.
FIG. 3 is a schematic structural diagram of a dust collection device of the Linux operating system teaching demonstration device provided by the utility model.
As shown in the figure:
1. demonstration board, 2, shell, 3, funnel-shaped opening, 4, supporting rod, 5, rope collecting roller, 6, torsion spring, 7, ratchet wheel, 8, fan blade, 9, groove, 10, rotary table, 11, pawl, 12, elastic sheet, 13, vent hole, 14, haulage rope, 15, chute, 16, fixed pulley, 17, rod, 18, pulley, 19, limiting plate, 20, through hole, 21, operating rod, 22, blackboard eraser, 23, buckle, 24, handle, 25, lighting lamp, 26, baffle, 27, painting brush groove, 28, recovery bag, 29, air filter core.
Detailed Description
The utility model will be further explained with reference to the drawings.
According to all the figures:
a Linux operating system teaching demonstration device comprises a demonstration board 1, wherein a dust suction device is arranged on the lower side surface of the demonstration board 1, the dust suction device comprises a shell 2, a funnel-shaped opening 3 attached to the demonstration board 1 is formed in the upper side surface of the shell 2, a plurality of supporting rods 4 are rotatably arranged in the shell 2, rope winding rollers 5 are arranged on the supporting rods 4, torsion springs 6 are arranged in the rope winding rollers 5, the other ends of the torsion springs 6 are fixedly connected with the shell 2, ratchet wheels 7 are arranged between the rope winding rollers 5 and the shell 2 on the supporting rods 4, fan blades 8 are arranged outside the ratchet wheels 7, grooves 9 are formed in the ratchet wheels 7, rotary tables 10 are arranged in the grooves 9 on the supporting rods 4, pawls 11 matched with the ratchet wheels 7 to work are rotatably arranged on the rotary tables 10, elastic pieces 12 are arranged on the rotary tables 10, and are fixedly connected with the pawls 11, one side that shell 2 is close to receipts rope cylinder 5 is equipped with a plurality of air vents 13, receipts rope cylinder 5 is equipped with haulage rope 14, the side is equipped with spout 15 on demonstration board 1, the side is equipped with fixed pulley 16 on demonstration board 1, the fixed pulley 16 below is equipped with pole 17, the pole 17 below is equipped with pulley 18, pulley 18 and spout 15 sliding connection, pole 17 is equipped with limiting plate 19 perpendicularly, be equipped with through-hole 20 in the limiting plate 19, the haulage rope 14 other end passes through-hole 20 and fixed pulley 16 in proper order, haulage rope 14 passes the one end of fixed pulley 16 and through-hole 20 in proper order and is equipped with blackboard eraser 22, 19 one side of limiting plate is equipped with action bars 21 downwards, demonstration board 1 front bilateral symmetry is equipped with buckle 23.
Further, the action bars 21 is equipped with handle 24 and light 25, uses handle 24 can be light with fixed pulley 16 remove and can open light 25 along fixed route in spout 15, carries out the light filling when light is not enough, has reduced the student and has influenced the efficiency of going to class because it is unclear.
Further, the demonstration board 1 is provided with a baffle 26 at two ends of the sliding slot 15 to prevent the fixed pulley 16 from sliding out of the sliding slot 15 due to inertia when sliding rapidly.
Further, the pulling rope 14 is slidably connected with the fixed pulley 16.
Furthermore, a plurality of chalk grooves 27 are formed in one side of the demonstration board 1, so that chalk placement is prevented conveniently.
Further, a recycling bag 28 is arranged on the side surface of the shell 2, which is positioned at the vent hole 13, and an air filter element 29 is arranged between the recycling bag 28 and the shell 2.
The utility model is implemented as follows:
the chalk is taken out from the chalk groove 27, the demonstration board 1 is used for shape writing, some chalk dust falls off in the writing process, the falling chalk dust falls into the funnel-shaped opening 3 under the action of gravity and enters the dust suction device, when the contents are wrongly written, the buckle 23 is opened, the handle 24 is grasped, the operating rod 21 is moved, the operating rod 21 drives the fixed pulley 16 and the pulley 18 to slide in the chute 15 and slide to a specified position, the blackboard eraser 22 is pulled, the blackboard eraser 22 pulls the traction rope 14, the traction rope 14 drives the rope winding roller 5 to rotate, the rope winding roller 5 drives the supporting rod 4 and the turntable 10 to rotate, the pawl 11 on the turntable 10 drives the ratchet 7 to rotate, the ratchet 7 drives the fan blades to rotate, wind power is generated, the erased chalk dust is sucked and enters the air vent 13 and then enters the recovery bag 28 through the air filter element 29, and the blackboard eraser 22 is directly loosened after being used, when 14 pulling of haulage rope, receipts rope cylinder 5 rotates, drives torque spring 6 and begins the rotation to hold power, unclamps haulage rope 14 back, and torque spring 6 begins to resume deformation, drives receipts rope gyro wheel 5 gyration, withdraws haulage rope 14, and this is that carousel 10 can reverse direction rotate, and the ratchet 7 that designs can not follow to rotate again can be fine adsorb chalk dust, and whole journey does not have electric power to intervene, unusual environmental protection moreover.
The present invention and its embodiments have been described above, and the description is not intended to be limiting, and the drawings are only one embodiment of the present invention, and the actual structure is not limited thereto. In summary, those skilled in the art should appreciate that they can readily use the disclosed conception and specific embodiments as a basis for designing or modifying other structures for carrying out the same purposes of the present invention without departing from the spirit and scope of the utility model as defined by the appended claims.
Claims (5)
1. The utility model provides a Linux operating system teaching presentation device which characterized in that: comprises a demonstration board, a dust suction device is arranged on the lower side surface of the demonstration board, the dust suction device comprises a shell, a funnel-shaped opening which is attached to the demonstration board is arranged on the upper side surface of the shell, a plurality of supporting rods are arranged in the shell in a rotating manner, rope collecting rollers are arranged on the supporting rods, torsion springs are arranged in the rope collecting rollers, the other ends of the torsion springs are fixedly connected with the shell, ratchet wheels are arranged between the rope collecting rollers and the shell, fan blades are arranged outside the ratchet wheels, grooves are formed in the ratchet wheels, rotating discs are arranged in the supporting rods and in the grooves, pawls which work in cooperation with the ratchet wheels are arranged in a rotating manner, the rotating discs are provided with elastic sheets which are fixedly connected with the pawls, a plurality of air vents are arranged on one side, close to the rope collecting rollers, the rope collecting rollers are provided with traction ropes, and sliding grooves are arranged on the upper side surface of the demonstration board, the demonstration board is characterized in that a fixed pulley is arranged on the upper side face of the demonstration board, a rod is arranged below the fixed pulley, a pulley is arranged below the rod, the pulley is connected with a sliding groove in a sliding mode, a limiting plate is perpendicularly arranged on the rod, a through hole is formed in the limiting plate, the other end of the traction rope sequentially penetrates through the through hole and the fixed pulley, a blackboard eraser is arranged at one end, through which the traction rope sequentially penetrates through the fixed pulley and the through hole, of the limiting plate, an operating rod is arranged on one side of the limiting plate in a downward mode, and buckles are symmetrically arranged on two sides of the front face of the demonstration board.
2. The Linux operating system teaching presentation device of claim 1, wherein: the operating rod is provided with a handle and a lighting lamp.
3. The Linux operating system teaching presentation device of claim 1, wherein: the demonstration board is arranged at two ends of the sliding groove and is provided with a baffle.
4. The Linux operating system teaching presentation device of claim 1, wherein: a plurality of painting brush grooves are arranged on one side of the demonstration board.
5. The Linux operating system teaching presentation device of claim 1, wherein: the side of the shell, which is positioned at the vent hole, is provided with a recovery bag, and an air filter element is arranged between the recovery bag and the shell.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120809668.6U CN215360663U (en) | 2021-04-20 | 2021-04-20 | Linux operating system teaching demonstration device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120809668.6U CN215360663U (en) | 2021-04-20 | 2021-04-20 | Linux operating system teaching demonstration device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215360663U true CN215360663U (en) | 2021-12-31 |
Family
ID=79627401
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202120809668.6U Expired - Fee Related CN215360663U (en) | 2021-04-20 | 2021-04-20 | Linux operating system teaching demonstration device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215360663U (en) |
-
2021
- 2021-04-20 CN CN202120809668.6U patent/CN215360663U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20211231 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |