CN114935874A

CN114935874A - Internet-based college student performance education equipment and using method thereof

Info

Publication number: CN114935874A
Application number: CN202210567728.7A
Authority: CN
Inventors: 包峰
Original assignee: Individual
Current assignee: Individual
Priority date: 2022-05-24
Filing date: 2022-05-24
Publication date: 2022-08-23

Abstract

The invention discloses an internet-based college student performance education device and a using method thereof, and belongs to the technical field of teaching devices. An internet-based performance education device for college students comprises a shell and a mounting rack, wherein the shell and the mounting rack are fixed on a wall body through bolts, a winding shaft is arranged in the shell, a curtain is sleeved on the winding shaft, a discharge hole for curtain movement is formed in the bottom of the shell, one end, away from the winding shaft, of the curtain is connected with a plugging rod, the plugging rod is movably abutted against the inner wall of the discharge hole, a driving assembly for driving the plugging rod to move up and down is arranged on the mounting rack, and a cleaning mechanism for cleaning the curtain is further arranged on the shell; the curtain rolling device effectively avoids the swinging of the curtain in the using process, is convenient to improve the stability of the curtain in watching, can effectively clean dust adhered to the outer side of the curtain in the watching process when the curtain is rolled, avoids influencing the watching definition of the next teaching video, and further improves the teaching quality.

Description

Internet-based college student performance education equipment and using method thereof

Technical Field

The invention relates to the technical field of teaching equipment, in particular to university student performance education equipment based on the Internet and a using method thereof.

Background

The teaching is a unique talent training activity of human beings formed by the teaching of teachers and the learning of students, through the activity, the teachers purposefully, plan and organically guide the students to learn and master the cultural science knowledge and skills, promote the improvement of the quality of the students, enable the students to become people needed by the society, and in the teaching process, in order to improve the teaching efficiency, the teachers can adopt different teaching equipment.

Along with the development of classroom education, more and more education performance demonstration devices are widely popularized, the teaching quality is greatly improved, the learning efficiency of students is improved, and textbooks are gradually replaced. At present, a projector is generally used for projecting on a curtain on the side edge of a blackboard to perform teaching demonstration on students. However, as the curtain is close to the blackboard in the using process, a teacher can write on the blackboard in an auxiliary manner while playing the demonstration material by using the curtain, chalk dust during writing is particularly easy to adhere to the curtain, the chalk dust is accumulated in the curtain shell along with the curtain, and the dust is accumulated in the shell and is not easy to clean, so that the demonstration effect of the next curtain is influenced; and the curtain adopts flexible material setting for the curtain easily swings when the demonstration content, influences student's watching, and then influences the teaching quality.

Disclosure of Invention

The invention aims to solve the problems in the prior art and provides internet-based college student performance education equipment and a using method thereof.

In order to achieve the purpose, the invention adopts the following technical scheme:

the utility model provides an university student's performance education equipment based on internet, includes through casing and the mounting bracket of bolt fastening on the wall body, be provided with the rolling axle in the casing, the epaxial cover of rolling is equipped with the curtain, the discharge gate that is used for the curtain activity is seted up to the bottom of casing, the one end that the rolling axle was kept away from to the curtain is connected with the shutoff pole, the shutoff pole offsets with the inner wall activity of discharge gate, be provided with the drive assembly who is used for driving shutoff pole upper and lower displacement on the mounting bracket, still be provided with the mechanism that cleans that is used for clearing up the curtain on the casing, clean the mechanism including the clearance subassembly that is used for clearing up the curtain, be used for driving the drive assembly of clearance subassembly activity and be used for restricting the restriction subassembly of clearance subassembly activity.

Preferably, drive assembly is including rotating the lead screw of connection on the mounting bracket, the cover is equipped with the sleeve on the lead screw, be provided with the U-shaped frame on the sleeve, telescopic one end is kept away from to the U-shaped frame and the shutoff pole is fixed links to each other, drive assembly is still including setting firmly driving motor on the mounting bracket, driving motor's output passes the mounting bracket and links to each other with the lead screw.

Preferably, be provided with a resilient element between sleeve and the U-shaped frame, the gib block has set firmly on the sleeve, set up on the U-shaped frame with gib block matched with guide way, be provided with the buckled plate on the mounting bracket, the U-shaped frame offsets with the activity of buckled plate.

Preferably, the fixed block has set firmly on the casing, it is connected with the dwang to rotate on the fixed block, the both ends of dwang are provided with second bevel gear and third bevel gear respectively, be provided with the first bevel gear who is connected with the meshing of second bevel gear on the lead screw, be provided with the fourth bevel gear who is connected with the meshing of third bevel gear on the rolling axle.

Preferably, the transmission assembly comprises a gear piece arranged on the winding shaft, a driven gear is meshed and connected to the outer side of the gear piece, a first rotating rod is arranged between the driven gear and the shell, an incomplete gear is further meshed and connected to the outer side of the driven gear, a second rotating rod is arranged between the incomplete gear and the shell, a second torsion spring is arranged between the second rotating rod and the shell, the cleaning assembly is arranged on the second rotating rod, the gear piece comprises a sleeve fixedly arranged on the winding shaft, a driving gear is rotatably connected to the outer side of the sleeve through a bearing, a first groove is formed in the sleeve, a first rotating shaft is arranged in the first groove, a first torsion spring is arranged between the first rotating shaft and the sleeve, a limiting block is fixedly arranged on the first rotating shaft, a second groove is formed in the driving gear, and ratchets which are uniformly distributed circumferentially are arranged on the inner wall of the second groove, the limiting block is movably abutted against the ratchet.

Preferably, the cleaning assembly comprises a connecting rod fixedly arranged on the second rotating rod, a connecting rod is arranged at one end, away from the second rotating rod, of the connecting rod, a brush roller is arranged on the connecting rod, a brush body is arranged on the brush roller, and a dust-proof groove matched with the brush body is formed in the shell.

Preferably, the limiting assembly comprises a first elastic telescopic rod fixedly arranged on the inner wall of the shell, a moving seat is arranged on the first elastic telescopic rod, a third groove is formed in the moving seat, a second rotating shaft is arranged in the third groove, a third torsion spring is arranged between the second rotating shaft and the moving seat, a blocking piece is fixedly arranged on the second rotating shaft, a ratchet wheel movably abutted against the blocking piece is arranged on the second rotating rod, the limiting assembly further comprises a buffering air bag fixedly arranged in the discharge port, the buffering air bag movably abuts against the blocking rod, an air guide pipe is connected to the buffering air bag, a movable pipe is arranged at one end of the air guide pipe far away from the buffering air bag, the movable pipe is fixedly arranged in the shell, a piston is slidably connected to the movable pipe, a second elastic element is arranged between the piston and the inner wall of the movable pipe, and an inserting rod is arranged at one side of the piston far away from the second elastic element, the first elastic telescopic rod is provided with a jack matched with the inserted link.

Preferably, the shell is provided with a fixed plate, the bottom of the fixed plate is provided with a second elastic telescopic rod, the bottom of the second elastic telescopic rod is provided with a dustproof plate used for plugging a dustproof groove, the bottom of the dustproof plate is provided with a first inclined plane, the brush roller movably abuts against the first inclined plane, the dustproof plate is further provided with a cleaning plate, the bottom of the cleaning plate is provided with a second inclined plane, the second inclined plane movably abuts against the brush roller, and the connecting rod is further provided with a dustproof side plate.

Preferably, still include projecting apparatus, image module, sound module and control terminal, control terminal passes through the wire and links to each other with projecting apparatus, image module, sound module and driving motor electrical property respectively.

The invention also discloses a use method of the internet-based university student performance education equipment, which comprises the following steps:

s1: when the device is installed, the shell is installed on the top of a wall on the side of the blackboard through bolts, the installation frame is installed on a wall beside the blackboard through bolts, when the device is used, a projector is used for playing teaching videos, the driving motor is controlled to operate, the output end of the driving motor drives the screw rod to rotate, the sleeve sleeved outside the screw rod is driven to move from top to bottom when the screw rod rotates, the blocking rod is driven to move downwards through the U-shaped frame when the sleeve moves, the blocking rod pulls the screen on the winding shaft to move downwards, so that the screen played on the projector is displayed on the screen, students can accurately see teaching contents, and the blocking rod at the bottom end of the screen is connected through the U-shaped frame, so that the screen cannot swing in the watching process;

s2: the method comprises the following steps that in the teaching process of a teacher, relevant contents can be written on a blackboard by using chalk to assist teaching, dust generated by the chalk floats on a curtain, after the teaching is finished, a driving motor is controlled to rotate reversely, the output end of the driving motor drives a screw rod to rotate reversely, a sleeve on the screw rod moves from bottom to top, a first bevel gear on the screw rod is meshed with a second bevel gear on a rotating rod, the rotating rod rotates and drives a third bevel gear at the other end to be meshed with a fourth bevel gear on a winding shaft, the winding shaft rotates to wind the curtain, and when a plugging rod is driven to move upwards by a U-shaped frame, the U-shaped frame abuts against a corrugated plate on a mounting frame, so that the U-shaped frame continuously reciprocates to slide outside the sleeve, and dust stained on the curtain is shaken off;

s3: in the process of winding the curtain, the rotation of the winding shaft drives the gear piece to rotate, the limiting block on the gear piece is matched with the ratchet teeth, so that the gear piece only rotates when the winding shaft winds the curtain and cannot rotate when the winding shaft releases the curtain, the rotating gear piece is meshed with the driven gear, the driven gear is meshed with the incomplete gear, so that the incomplete gear drives the second rotating rod to rotate, the second torsion spring is stretched in the process, the ratchet wheel on the outer side of the second rotating rod movably offsets with the blocking piece when the second rotating rod rotates, so that the second rotating rod cannot be reversed, the rotation of the second rotating rod drives the connecting rod on the outer side of the shell to rotate, the connecting rod rotates to drive the connecting rod to turn over, and further the connecting rod drives the hairbrush to rotate by taking the second rotating rod as the center of a circle, because the incomplete gear is only partially meshed with the driven gear, after the teeth of the incomplete gear are completely meshed with the driven gear, the second rotating rod drives the hairbrush to move out of the dust prevention groove through the connecting rod and rotate to the two sides of the discharge hole, at the moment, the incomplete gear is not meshed with the driven gear any more, and the incomplete gear cannot be reset and rotated by the elasticity of the second torsion spring under the action of the limiting assembly, so that dust adhered to the outer side of the curtain in rolling is erased;

s4: when the sleeve drives the plugging rod to move to the discharge port through the U-shaped frame, the plugging rod extrudes the buffering air bag on the inner side of the discharge port, the buffering air bag is stressed and deformed to reduce the abrasion between the plugging rod and the shell, compressed air after the buffering air bag is deformed enters the movable pipe through the air guide pipe, the air generates a downward pressing force on the piston, the piston drives the insertion rod to move downwards, the insertion rod moves out of the first elastic telescopic rod, the second rotating rod resets and rotates under the elastic action of the second torsion spring and applies force on the blocking piece, the blocking piece drives the moving seat to extrude the first elastic telescopic rod, the second rotating rod drives the brush to reset through the connecting rod, in the process, the brush roller firstly abuts against the cleaning plate, the brush body shakes off dust adhered to the brush when passing through the inclined plane on one side of the cleaning plate, the brush continuously rotates and abuts against the dustproof plate to apply force on the inclined plane on the bottom of the dustproof plate, the second elasticity telescopic link atress is compressed, and the dust guard shifts up, and after the brush got into the dust groove, the dust guard no longer atress carried out the shutoff to the dust groove, and the both ends in dust groove are carried out the shutoff to the dustproof curb plate on the connecting rod, made the brush hide.

Compared with the prior art, the invention provides the internet-based university student performance education equipment and the use method thereof, and the internet-based university student performance education equipment has the following beneficial effects:

1. this university student's performance education equipment based on internet and application method carries out spacing fixed to the curtain bottom through the U-shaped frame, effectively avoids swinging in the curtain use, is convenient for improve the stability when the curtain is watched, and can effectively clear up the dust of in-process outside adhesion is watched to the curtain when the curtain rolling, avoids influencing the definition that the video of next time of imparting knowledge to students was watched, and then improves the teaching quality.

2. This university student's performance education equipment based on internet and application method thereof offsets with the buckled plate on the mounting bracket when shifting up along with the sleeve through the U-shaped frame, makes the continuous reciprocal slip in the sleeve outside of U-shaped frame, makes the dust that is infected with on the curtain shaken off, and then avoids the dust to get into inside the casing along with the curtain, piles up inside the casing, leads to the inside clearance of casing, and effectively improves the result of use of curtain.

3. This university student's performance education equipment based on internet and application method thereof through when rolling the curtain, makes the brush shift out the dust groove and clears up the curtain of rolling, improves the clearance effect to the curtain, and then guarantees the definition of curtain teaching demonstration content, guarantees student's the effect of watching, and then improves the teaching effect, and when the curtain rolling was accomplished, the brush was taken in the dust groove again, avoids the follow-up cleaning work to the curtain of the more dust influence of adhesion on the brush.

4. This university student's performance education equipment based on internet and application method thereof through setting up the buffering gasbag at the discharge gate, makes the shutoff pole offset with the buffering gasbag when getting into the discharge gate, can reduce the collision dynamics of shutoff pole and casing on the one hand, improves the life of shutoff pole and casing, and on the other hand buffering gasbag effectively fills the space between shutoff pole and the casing, avoids the dust to get into the casing along the discharge gate, leads to the inside dust of casing to pile up difficult clearance.

Drawings

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

FIG. 2 is an enlarged view of a portion A of FIG. 1 according to the present invention;

FIG. 3 is a schematic view of the external structure of the sleeve of the present invention;

FIG. 4 is a schematic cross-sectional view of the housing of the present invention;

FIG. 5 is an enlarged view of a portion of portion B of FIG. 4 according to the present invention;

FIG. 6 is an enlarged view of a portion of portion C of FIG. 4 according to the present invention;

FIG. 7 is a schematic view of the internal structure of the housing of the present invention;

FIG. 8 is an enlarged view of a portion of portion D of FIG. 7 according to the present invention;

FIG. 9 is a schematic view of a restraint assembly of the present invention;

FIG. 10 is a schematic structural view of the gear member of the present invention;

fig. 11 is a block diagram of the working principle of the present invention.

In the figure: 1. a housing; 101. a discharge port; 2. a mounting frame; 201. a corrugated plate; 3. a winding shaft; 4. a curtain; 5. a plugging rod; 6. a drive motor; 601. a screw rod; 6011. a first bevel gear; 602. a sleeve; 6021. a guide strip; 603. a U-shaped frame; 6031. a guide groove; 604. a first elastic element; 7. a fixed block; 701. rotating the rod; 702. a second bevel gear; 703. a third bevel gear; 8. a sleeve; 801. a first groove; 802. a limiting block; 9. a driving gear; 901. a second groove; 902. a ratchet; 10. a fourth bevel gear; 11. a driven gear; 111. a first rotating lever; 12. an incomplete gear; 121. a second rotating rod; 13. a connecting rod; 131. a connecting rod; 1311. a dust-proof side plate; 132. a brush roller; 133. a brush body; 14. a dust-proof groove; 15. a first elastic telescopic rod; 151. a jack; 16. a movable seat; 161. a third groove; 162. a baffle plate; 163. a ratchet wheel; 17. a buffer air bag; 171. a gas-guide tube; 18. a movable tube; 181. a piston; 182. a second elastic element; 183. inserting a rod; 19. a fixing plate; 191. a second elastic telescopic rod; 192. a dust guard; 20. cleaning the plate; 21. a projector; 22. an image module; 23. a sound module; 24. and controlling the terminal.

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.

In the description of the present invention, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer", and the like, indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, are merely for convenience in describing the present invention and simplifying the description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention.

Example 1:

refer to fig. 1, fig. 2, fig. 3 and fig. 4, an university student's performance education equipment based on internet, include casing 1 and mounting bracket 2 through the bolt fastening on the wall body, be provided with rolling axle 3 in the casing 1, the cover is equipped with curtain 4 on the rolling axle 3, discharge gate 101 that is used for curtain 4 activity is offered to the bottom of casing 1, the one end that rolling axle 3 was kept away from to curtain 4 is connected with shutoff pole 5, shutoff pole 5 offsets with the inner wall activity of discharge gate 101, be provided with the drive assembly who is used for driving shutoff pole 5 upper and lower displacement on the mounting bracket 2, still be provided with the mechanism that cleans that is used for clearing up curtain 4 on the casing 1, clean the mechanism including the clearance subassembly that is used for clearing up curtain 4, be used for driving the drive assembly of clearance subassembly activity and be used for restricting the restriction subassembly of clearance subassembly activity.

Specifically, when the equipment is installed, the shell 1 is installed on the wall top of the side edge of the blackboard through bolts, the installation rack 2 is installed on the wall beside the blackboard through bolts, when modern students are in learning and performing courses, teachers can use the multimedia curtain 4 to demonstrate teaching videos of the students and write related materials through the blackboard to perform teaching and high-quality teaching on the students, but the traditional curtain 4 is easy to swing under the influence of wind force to influence the watching of the students, and chalk dust written by chalks in the teaching process of the teachers falls on the curtain 4, so that not only is the definition of the videos displayed on the curtain 4 influenced, but also the inside of the equipment can be rolled along with the curtain 4 and accumulated inside the equipment to influence the normal use of the curtain 4, when the equipment uses the curtain 4 for demonstration, the blocking rod 5 is driven to move downwards through the driving component, so that the blocking rod 5 pulls the curtain 4 on the rolling shaft 3 to move downwards, make curtain 4 expand, at this in-process, drive assembly effectively avoids swinging in the 4 use of curtain, is convenient for improve the stability when curtain 4 watches, and can watch the dust of in-process outside adhesion to curtain 4 through cleaning the subassembly when curtain 4 rolling and effectively clear up, avoids influencing the definition that the video of next teaching was watched, and then improves the teaching quality.

Example 2:

referring to fig. 1, fig. 2, fig. 3 and fig. 4, an university student's performance education equipment based on internet, the same with embodiment 1, it is further that, drive assembly is including rotating lead screw 601 of connection on mounting bracket 2, the cover is equipped with sleeve 602 on the lead screw 601, be provided with U-shaped frame 603 on the sleeve 602, the one end that sleeve 602 was kept away from to U-shaped frame 603 is fixed continuous with shutoff pole 5, drive assembly is still including setting firmly driving motor 6 on mounting bracket 2, driving motor 6's output passes mounting bracket 2 and links to each other with lead screw 601.

Concretely, through control driving motor 6 operation, make driving motor 6's output drive lead screw 601 rotate, lead screw 601 makes the sleeve 602 that its outside cover was established when rotating from last to removing down, it moves down to drive shutoff pole 5 through U-shaped frame 603 when sleeve 602 removed, curtain 4 on the 5 pulling wind-up shafts 3 of shutoff pole moves down, make curtain 4 launch downwards, shutoff pole 5 of connecting curtain 4 bottom through U-shaped frame 603, make curtain 4 can not be at the swing of watching the in-process, make the student can accurately see the teaching content that shows on the curtain 4 clearly, ensure the quality of teaching.

Example 3:

referring to fig. 1, 2 and 3, an internet-based university student performance education device is the same as that in embodiment 2, further, a first elastic element 604 is arranged between a sleeve 602 and a U-shaped frame 603, a guide strip 6021 is fixedly arranged on the sleeve 602, a guide groove 6031 matched with the guide strip 6021 is formed in the U-shaped frame 603, a corrugated plate 201 is arranged on the mounting frame 2, and the U-shaped frame 603 movably abuts against the corrugated plate 201.

Specifically, when rolling up curtain 4, the output end of driving motor 6 drives lead screw 601 antiport, make sleeve 602 on the lead screw 601 move from bottom to top, when U-shaped frame 603 drives shutoff pole 5 to move up, U-shaped frame 603 offsets with corrugated plate 201 on the mounting bracket 2, U-shaped frame 603 drives shutoff pole 5 to move, move back again under the effect of first elastic element 604 afterwards, make U-shaped frame 603 continuously reciprocate to slide outside sleeve 602, make the dust that is infected with on the curtain 4 shaken off, in order to guarantee the bandwagon effect of curtain 4 to the demonstration content.

Example 4:

referring to fig. 1, 2, 4 and 7, an internet-based university student performance education device is the same as that in embodiment 3, further, a fixing block 7 is fixedly disposed on the housing 1, a rotating rod 701 is rotatably connected to the fixing block 7, a second bevel gear 702 and a third bevel gear 703 are respectively disposed at two ends of the rotating rod 701, a first bevel gear 6011 engaged with the second bevel gear 702 is disposed on the screw rod 601, and a fourth bevel gear 10 engaged with the third bevel gear 703 is disposed on the winding shaft 3.

Specifically, the driving motor 6 is controlled to rotate reversely, the output end of the driving motor 6 drives the screw rod 601 to rotate, so that the first bevel gear 6011 on the screw rod 601 is engaged with the second bevel gear 702 on the rotating rod 701, the rotating rod 701 rotates and drives the third bevel gear 703 at the other end to be engaged with the fourth bevel gear 10 on the winding shaft 3, and the winding shaft 3 rotates to wind or release the curtain 4.

Example 5:

referring to fig. 4, 5, 6, 7, 8, 9 and 10, an internet-based university student performance education device is the same as embodiment 2, further, the transmission assembly includes a gear member disposed on the winding shaft 3, a driven gear 11 is engaged and connected to an outer side of the gear member, a first rotating rod 111 is disposed between the driven gear 11 and the housing 1, an incomplete gear 12 is further engaged and connected to an outer side of the driven gear 11, a second rotating rod 121 is disposed between the incomplete gear 12 and the housing 1, a second torsion spring is disposed between the second rotating rod 121 and the housing 1, the cleaning assembly is disposed on the second rotating rod 121, the gear member includes a sleeve 8 fixedly disposed on the winding shaft 3, a driving gear 9 is rotatably connected to an outer side of the sleeve 8 through a bearing, a first groove 801 is disposed on the sleeve 8, a first rotating shaft is disposed in the first groove 801, a first torsion spring is disposed between the first rotating shaft and the sleeve 8, a limiting block 802 is fixedly arranged on the first rotating shaft, a second groove 901 is formed in the driving gear 9, ratchet teeth 902 which are evenly distributed circumferentially are arranged on the inner wall of the second groove 901, and the limiting block 802 movably abuts against the ratchet teeth 902.

Further, the cleaning assembly comprises a connecting rod 13 fixedly arranged on the second rotating rod 121, a connecting rod 131 is arranged at one end, away from the second rotating rod 121, of the connecting rod 13, a brush roller 132 is arranged on the connecting rod 131, a brush body 133 is arranged on the brush roller 132, and a dust-proof groove 14 matched with the brush body 133 is formed in the shell 1.

Further, the limiting assembly comprises a first elastic telescopic rod 15 fixedly arranged on the inner wall of the housing 1, a moving seat 16 is arranged on the first elastic telescopic rod 15, a third groove 161 is formed in the moving seat 16, a second rotating shaft is arranged in the third groove 161, a third torsion spring is arranged between the second rotating shaft and the moving seat 16, a blocking piece 162 is fixedly arranged on the second rotating shaft, a ratchet wheel 163 movably abutted against the blocking piece 162 is arranged on the second rotating rod 121, the limiting assembly further comprises a buffering air bag 17 fixedly arranged in the discharge port 101, the buffering air bag 17 movably abuts against the blocking rod 5, an air duct 171 is connected onto the buffering air bag 17, a movable tube 18 is arranged at one end of the air duct 171 far away from the buffering air bag 17, the movable tube 18 is fixedly arranged in the housing 1, a piston 181 is slidably connected into the movable tube 18, a second elastic element 182 is arranged between the piston 181 and the inner wall of the movable tube 18, an inserting rod 183 is arranged at one side of the piston 181 departing from the second elastic element 182, the first elastic expansion link 15 is provided with an insertion hole 151 matched with the insertion rod 183.

Specifically, in the process of winding the curtain 4, the rotation of the winding shaft 3 drives the gear piece to rotate, the limiting block 802 on the gear piece is clamped with the ratchet 902, so that the gear piece only rotates when the winding shaft 3 winds the curtain 4, when the winding shaft 3 releases the curtain 4, the limiting block 802 is extruded into the first groove 801, the gear piece cannot drive the driven gear 11 to rotate, the rotating gear piece is meshed with the driven gear 11, the driven gear 11 is meshed with the incomplete gear 12, so that the incomplete gear 12 drives the second rotating rod 121 to rotate, in the process, the second torsion spring is stretched, the ratchet 163 on the outer side of the second rotating rod 121 is movably abutted against the baffle 162 when rotating, so that the second rotating rod 121 cannot be reversed, the rotation of the second rotating rod 121 drives the connecting rod 13 on the outer side of the housing 1 to rotate, the connecting rod 13 rotates to drive the connecting rod 131 to turn over, so that the connecting rod 131 drives the brush to rotate around the second rotating rod 121, because the incomplete gear 12 is only partially meshed with the driven gear 11, after the teeth of the incomplete gear 12 are meshed with the driven gear 11, the second rotating rod 121 drives the brush to move out of the dust-proof groove 14 through the connecting rod 13 and rotate to two sides of the discharge port 101, at this time, the incomplete gear 12 is not meshed with the driven gear 11 and cannot be reset and rotate by the elastic force of the second torsion spring under the action of the limiting component, so that dust adhered to the outer side of the rolled curtain 4 is erased, when the sleeve 602 drives the blocking rod 5 to move to the discharge port 101 through the U-shaped frame 603, the blocking rod 5 extrudes the buffer air bag 17 on the inner side of the discharge port 101, the buffer air bag 17 is stressed and deformed, on one hand, abrasion between the blocking rod 5 and the shell 1 is reduced, the service life of the blocking rod 5 and the shell 1 is prolonged, on the other hand, the buffer air bag 17 effectively fills a gap between the blocking rod 5 and the shell 1, avoid the dust to get into casing 1 along discharge gate 101, and the compressed air after buffering gasbag 17 warp passes through air duct 171 and gets into movable tube 18, these air produce the power of pushing down to piston 181, piston 181 drives inserted bar 183 and moves down, inserted bar 183 shifts out first elastic telescopic rod 15, second bull stick 121 resets under the elasticity of second torsional spring and rotates and to separation blade 162 effort this moment, make separation blade 162 drive and move 16 and extrude first elastic telescopic rod 15, second bull stick 121 drives the brush through connecting rod 13 and resets, make the brush get into dust-proof tank 14 again.

Example 6:

referring to fig. 1, 4 and 6, an internet-based university student performance education device is the same as that of embodiment 5, further, a fixing plate 19 is arranged on the housing 1, a second elastic telescopic rod 191 is arranged at the bottom of the fixing plate 19, a dust-proof plate 192 for blocking the dust-proof groove 14 is arranged at the bottom of the second elastic telescopic rod 191, a first inclined surface is arranged at the bottom of the dust-proof plate 192, the brush roller 132 movably abuts against the first inclined surface, a cleaning plate 20 is further arranged on the dust-proof plate 192, a second inclined surface is arranged at the bottom of the cleaning plate 20 and movably abuts against the brush roller 132, and a dust-proof side plate 1311 is further arranged on the connecting rod 131.

Specifically, the second rotating rod 121 drives the brush to reset through the connecting rod 13 under the action of the torsion spring, in the process, the brush roller 132 firstly abuts against the cleaning plate 20, and when the brush roller crosses the inclined plane on one side of the cleaning plate 20, the brush body 133 swings, dust adhered to the brush can be shaken off when being arranged between the cleaning plate 20 and the dust-proof plate 192, the cleaning of the brush is ensured, the next cleaning work is facilitated, the brush continuously rotates and abuts against the dust-proof plate 192, the inclined plane acting force at the bottom of the dust-proof plate 192 is exerted, the second elastic telescopic rod 191 is compressed under the stress, the dust-proof plate 192 moves upwards, after the brush enters the dust-proof groove 14, the dust-proof plate 192 is no longer stressed to seal the dust-proof groove 14, the dust-proof side plates 1311 on the connecting rod 131 seal two ends of the dust-proof groove 14, the brush is hidden, the next cleaning work on the curtain 4 is prevented from being influenced by more dust adhered to ensure the display effect of the curtain 4 on the demonstration content, the practicability is strong.

Example 7:

referring to fig. 1 and 11, an internet-based university student performance education device, similar to embodiment 2, further includes a projector 21, an image module 22, a sound module 23, and a control terminal 24, wherein the control terminal 24 is electrically connected to the projector 21, the image module 22, the sound module 23, and the driving motor 6 through wires.

Specifically, when the teacher demonstrated through the video of imparting knowledge to students of equipment, control terminal 24 controls drive assembly respectively and expandes curtain 4, makes projecting apparatus 21 operation and throw the image, and the content of throwing can be accurately demonstrated by curtain 4, and the in-process of show teaching records the video and the sound of teaching in-process through image module 22 and sound module 23, and the student of being convenient for watches the study once more under class.

s1: when the device is installed, the shell 1 is installed on the top of a wall on the side of a blackboard through bolts, the installation frame 2 is installed on a wall beside the blackboard through bolts, when the device is used, a projector 21 is used for playing teaching videos, the driving motor 6 is controlled to operate, the output end of the driving motor 6 drives the screw rod 601 to rotate, the screw rod 601 rotates, the sleeve 602 sleeved on the outer side of the screw rod 601 moves from top to bottom, the sleeve 602 moves downwards through the U-shaped frame 603 when moving, the blocking rod 5 pulls the curtain 4 on the winding shaft 3 to move downwards, so that a view screen played on the projector 21 is displayed on the curtain 4, students can accurately see teaching contents, and the U-shaped frame 603 is connected with the blocking rod 5 at the bottom end of the curtain 4, so that the curtain 4 cannot swing in the viewing process;

s2: when the teaching is finished, the driving motor 6 is controlled to rotate reversely, the output end of the driving motor 6 drives the screw rod 601 to rotate reversely, the sleeve 602 on the screw rod 601 moves from bottom to top, the first bevel gear 6011 on the screw rod 601 is meshed with the second bevel gear 702 on the rotating rod 701, the rotating rod 701 rotates and drives the third bevel gear 703 at the other end to be meshed with the fourth bevel gear 10 on the winding shaft 3, the winding shaft 3 rotates to wind the curtain 4, the U-shaped frame 603 abuts against the corrugated plate 201 on the mounting frame 2 when the blocking rod 5 is driven by the U-shaped frame 603 to move upwards, the U-shaped frame 603 continuously slides to and fro outside the sleeve 602, and dust stained on the curtain 4 is shaken off;

s3: in the process of winding the curtain 4, the rotation of the winding shaft 3 drives the gear to rotate, the limiting block 802 on the gear is matched with the ratchet 902, so that the gear only rotates when the winding shaft 3 winds the curtain 4, but cannot rotate when the winding shaft 3 releases the curtain 4, the rotating gear is meshed with the driven gear 11, the driven gear 11 is meshed with the incomplete gear 12, so that the incomplete gear 12 drives the second rotating rod 121 to rotate, the second torsion spring is stretched in the process, the ratchet 163 on the outer side of the second rotating rod 121 movably abuts against the blocking piece 162 when rotating, so that the second rotating rod 121 cannot be reversed, the rotation of the second rotating rod 121 drives the connecting rod 13 on the outer side of the housing 1 to rotate, the connecting rod 13 rotates to drive the connecting rod 131 to overturn, so that the connecting rod 131 drives the hairbrush to rotate by taking the second rotating rod 121 as the center of the circle, and the incomplete gear 12 is only partially meshed with the driven gear 11, after the teeth of the incomplete gear 12 are meshed with the driven gear 11, the second rotating rod 121 drives the brush to move out of the dust-proof groove 14 through the connecting rod 13 and rotate to the two sides of the discharge port 101, at this time, the incomplete gear 12 is not meshed with the driven gear 11 any more, and cannot be reset to rotate under the action of the limiting component by the elasticity of the second torsion spring, so that dust adhered to the outer side of the curtain 4 in winding is erased;

s4: when the sleeve 602 drives the blocking rod 5 to move to the discharge port 101 through the U-shaped frame 603, the blocking rod 5 extrudes the buffering airbag 17 at the inner side of the discharge port 101, the buffering airbag 17 deforms under a force to reduce the abrasion between the blocking rod 5 and the housing 1, and compressed air after the buffering airbag 17 deforms enters the movable tube 18 through the air duct 171, the air generates a downward force on the piston 181, the piston 181 drives the insertion rod 183 to move downward, the insertion rod 183 moves out of the first elastic telescopic rod 15, at this time, the second rotating rod 121 resets and rotates under the elastic force of the second torsion spring and applies a force to the blocking piece 162, so that the blocking piece 162 drives the moving seat 16 to extrude the first elastic telescopic rod 15, the second rotating rod 121 drives the brush to reset through the connecting rod 13, in the process, the brush roller 132 firstly abuts against the cleaning plate 20, and when the brush roller passes over an inclined plane at one side of the cleaning plate 20, the brush body 133 shakes off dust adhered to the brush, the brush continues to rotate and can offset with dust guard 192, and to the inclined plane effort of dust guard 192 bottom, the atress of second elasticity telescopic link 191 is compressed, and dust guard 192 shifts up, and after the brush got into dust slot 14, dust guard 192 no longer atress carried out the shutoff to dust slot 14, and the both ends of dust slot 14 were carried out the shutoff to the dust curb plate 1311 on the connecting rod 131, made the brush hide.

The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered as the technical solutions and the inventive concepts of the present invention within the technical scope of the present invention.

Claims

1. An internet-based college student performance education device comprises a shell (1) and a mounting rack (2) which are fixed on a wall body through bolts, it is characterized in that a winding shaft (3) is arranged in the shell (1), a curtain (4) is sleeved on the winding shaft (3), the bottom of the shell (1) is provided with a discharge hole (101) for the movement of the curtain (4), one end of the curtain (4) far away from the winding shaft (3) is connected with a plugging rod (5), the blocking rod (5) is movably abutted against the inner wall of the discharge hole (101), a driving component for driving the blocking rod (5) to move up and down is arranged on the mounting rack (2), the shell (1) is also provided with a cleaning mechanism for cleaning the curtain (4), the cleaning mechanism comprises a cleaning assembly for cleaning the curtain (4), a transmission assembly for driving the cleaning assembly to move and a limiting assembly for limiting the movement of the cleaning assembly.

2. An internet-based college student performance education device as claimed in claim 1 wherein the driving assembly comprises a screw rod (601) rotatably connected to the mounting frame (2), a sleeve (602) is sleeved on the screw rod (601), a U-shaped frame (603) is arranged on the sleeve (602), one end of the U-shaped frame (603) far away from the sleeve (602) is fixedly connected with the blocking rod (5), the driving assembly further comprises a driving motor (6) fixedly arranged on the mounting frame (2), and the output end of the driving motor (6) passes through the mounting frame (2) and is connected with the screw rod (601).

3. An internet-based college student performance education device as claimed in claim 2 wherein a first elastic element (604) is provided between the sleeve (602) and the U-shaped frame (603), a guide strip (6021) is fixedly provided on the sleeve (602), a guide groove (6031) matched with the guide strip (6021) is provided on the U-shaped frame (603), a corrugated plate (201) is provided on the mounting rack (2), and the U-shaped frame (603) is movably abutted against the corrugated plate (201).

4. The internet-based university student performance education equipment according to claim 2, wherein a fixed block (7) is fixedly arranged on the housing (1), a rotating rod (701) is rotatably connected to the fixed block (7), a second bevel gear (702) and a third bevel gear (703) are respectively arranged at two ends of the rotating rod (701), a first bevel gear (6011) meshed with the second bevel gear (702) is arranged on the screw rod (601), and a fourth bevel gear (10) meshed with the third bevel gear (703) is arranged on the winding shaft (3).

5. The internet-based university student performance education equipment as claimed in claim 1, wherein the transmission assembly comprises a gear piece arranged on the winding shaft (3), a driven gear (11) is meshed and connected to the outer side of the gear piece, a first rotating rod (111) is arranged between the driven gear (11) and the housing (1), an incomplete gear (12) is further meshed and connected to the outer side of the driven gear (11), a second rotating rod (121) is arranged between the incomplete gear (12) and the housing (1), a second torsion spring is arranged between the second rotating rod (121) and the housing (1), the cleaning assembly is arranged on the second rotating rod (121), the gear piece comprises a sleeve (8) fixedly arranged on the winding shaft (3), a driving gear (9) is rotatably connected to the outer side of the sleeve (8) through a bearing, a first groove (801) is formed in the sleeve (8), a first rotating shaft is arranged in the first groove (801), a first torsion spring is arranged between the first rotating shaft and the sleeve (8), a limiting block (802) is fixedly arranged on the first rotating shaft, a second groove (901) is formed in the driving gear (9), ratchets (902) which are uniformly distributed on the circumference are arranged on the inner wall of the second groove (901), and the limiting block (802) is movably abutted to the ratchets (902).

6. An internet-based college student performance education device according to claim 5, wherein the cleaning assembly comprises a connecting rod (13) fixedly arranged on the second rotating rod (121), a connecting rod (131) is arranged at one end of the connecting rod (13) far away from the second rotating rod (121), a brush roller (132) is arranged on the connecting rod (131), a brush body (133) is arranged on the brush roller (132), and a dust-proof groove (14) matched with the brush body (133) is formed in the shell (1).

7. The internet-based university student performance education equipment according to claim 6, wherein the limiting component comprises a first elastic telescopic rod (15) fixedly arranged on the inner wall of the shell (1), a moving seat (16) is arranged on the first elastic telescopic rod (15), a third groove (161) is formed in the moving seat (16), a second rotating shaft is arranged in the third groove (161), a third torsion spring is arranged between the second rotating shaft and the moving seat (16), a blocking piece (162) is fixedly arranged on the second rotating shaft, a ratchet wheel (163) movably abutted against the blocking piece (162) is arranged on the second rotating rod (121), the limiting component further comprises a buffering air bag (17) fixedly arranged in the discharge hole (101), the buffering air bag (17) movably abutted against the blocking rod (5), and an air guide tube (171) connected to the buffering air bag (17), the one end that buffering gasbag (17) was kept away from in air duct (171) is provided with movable tube (18), movable tube (18) set firmly in casing (1), sliding connection has piston (181) in movable tube (18), be provided with second elastic element (182) between piston (181) and movable tube (18) inner wall, one side that piston (181) deviates from second elastic element (182) is provided with inserted bar (183), seted up on first elastic telescopic link (15) with inserted bar (183) matched with jack (151).

8. An internet-based university student performance education device according to claim 7, wherein a fixing plate (19) is arranged on the housing (1), a second elastic telescopic rod (191) is arranged at the bottom of the fixing plate (19), a dust-proof plate (192) for blocking the dust-proof groove (14) is arranged at the bottom of the second elastic telescopic rod (191), a first inclined surface is arranged at the bottom of the dust-proof plate (192), the brush roller (132) is movably abutted against the first inclined surface, a cleaning plate (20) is further arranged on the dust-proof plate (192), a second inclined surface is arranged at the bottom of the cleaning plate (20) and movably abutted against the brush roller (132), and a dust-proof side plate (1311) is further arranged on the connecting rod (131).

9. The internet-based college student performance education equipment according to claim 1, further comprising a projector (21), an image module (22), a sound module (23) and a control terminal (24), wherein the control terminal (24) is electrically connected with the projector (21), the image module (22), the sound module (23) and the driving motor (6) through wires respectively.

10. A method of using the internet-based college student performance education device of any one of claims 1 to 9, comprising the steps of:

s1: when the device is installed, the shell (1) is installed on the wall top of the side edge of the blackboard through bolts, the installation rack (2) is installed on the wall beside the blackboard through bolts, when the device is used, a projector (21) is used for playing teaching videos, the driving motor (6) is controlled to operate, the output end of the driving motor (6) drives the screw rod (601) to rotate, the sleeve (602) sleeved outside the screw rod (601) moves from top to bottom when the screw rod (601) rotates, the blocking rod (5) is driven to move downwards through the U-shaped frame (603) when the sleeve (602) moves, the blocking rod (5) pulls the curtain (4) on the winding shaft (3) to move downwards, so that the video screen played on the projector (21) is displayed on the curtain (4) and students can accurately see the teaching content, the U-shaped frame (603) is connected with the blocking rod (5) at the bottom end of the curtain (4), so that the curtain (4) cannot swing in the watching process;

s2: when a teacher writes related contents on a blackboard in the teaching process to assist teaching, dust generated by the chalk is scattered on a curtain (4), after the teaching is finished, the driving motor (6) is controlled to rotate reversely, the output end of the driving motor (6) drives the screw rod (601) to rotate reversely, the sleeve (602) on the screw rod (601) moves from bottom to top, the first bevel gear (6011) on the screw rod (601) is meshed with the second bevel gear (702) on the rotating rod (701), the rotating rod (701) rotates and drives the third bevel gear (703) at the other end to be meshed with the fourth bevel gear (10) on the winding shaft (3), the winding shaft (3) rotates to wind the curtain (4), and when the blocking rod (5) is driven by the U-shaped frame (603) to move upwards, the U-shaped frame (603) abuts against the corrugated plate (201) on the mounting frame (2), so that the U-shaped frame (603) continuously slides outside the sleeve (602) in a reciprocating manner, the dust stained on the curtain (4) is shaken off;

s3: in the process of winding the curtain (4), the rotation of the winding shaft (3) drives the gear piece to rotate, the upper limit block (802) of the gear piece is matched with the ratchet (902), so that the gear piece only rotates when the winding shaft (3) winds the curtain (4) and cannot rotate when the winding shaft (3) releases the curtain (4), the rotating gear piece is meshed with the driven gear (11), the driven gear (11) is meshed with the incomplete gear (12), so that the incomplete gear (12) drives the second rotating rod (121) to rotate, the second torsion spring is stretched in the process, the ratchet (163) on the outer side of the second rotating rod (121) movably supports against the blocking piece (162) when rotating, the second rotating rod (121) cannot be reversed, the rotation of the second rotating rod (121) drives the connecting rod (13) on the outer side of the shell (1) to rotate, and the connecting rod (13) rotates to drive the connecting rod (131) to overturn, the connecting rod (131) drives the brush to rotate by taking the second rotating rod (121) as a circle center, the incomplete gear (12) is only partially meshed with the driven gear (11), when teeth of the incomplete gear (12) are meshed with the driven gear (11), the second rotating rod (121) drives the brush to move out of the dust-proof groove (14) through the connecting rod (13) and rotate to two sides of the discharge hole (101), the incomplete gear (12) is not meshed with the driven gear (11) at the moment, and the brush cannot be reset and rotated by the elasticity of the second torsion spring under the action of the limiting assembly, so that dust adhered to the outer side of the curtain (4) in rolling is erased;

s4: when the sleeve (602) drives the plugging rod (5) to move to the discharge port (101) through the U-shaped frame (603), the plugging rod (5) extrudes the buffer air bag (17) on the inner side of the discharge port (101), the buffer air bag (17) is stressed to deform so as to reduce the abrasion between the plugging rod (5) and the shell (1), and compressed air after the buffer air bag (17) deforms enters the movable tube (18) through the air duct (171), the air generates a downward pressing force on the piston (181), the piston (181) drives the inserted rod (183) to move downwards, the inserted rod (183) moves out of the first elastic telescopic rod (15), at the moment, the second rotating rod (121) resets and rotates under the elastic action of the second torsion spring and applies an acting force on the blocking piece (162), so that the blocking piece (162) drives the moving seat (16) to extrude the first elastic telescopic rod (15), and the second rotating rod (121) drives the brush to reset through the connecting rod (13), in the process, the brush roller (132) firstly abuts against the cleaning plate (20), when the brush roller crosses an inclined plane on one side of the cleaning plate (20), dust adhered to the brush can be shaken off by the brush body (133), the brush can continuously rotate to abut against the dust-proof plate (192), the inclined plane acting force on the bottom of the dust-proof plate (192) is applied, the second elastic telescopic rod (191) is compressed under the stress, the dust-proof plate (192) moves upwards, after the brush enters the dust-proof groove (14), the dust-proof plate (192) is not blocked under the stress to block the dust-proof groove (14), and the dust-proof side plates (1311) on the connecting rod (131) block two ends of the dust-proof groove (14) to enable the brush to be hidden.