CN213276990U

CN213276990U - Internet education multimedia system

Info

Publication number: CN213276990U
Application number: CN202022275358.9U
Authority: CN
Inventors: 陈翠香
Original assignee: Mini Dreamworks Xi'an Technology Co ltd
Current assignee: Mini Dreamworks Xi'an Technology Co ltd
Priority date: 2020-10-13
Filing date: 2020-10-13
Publication date: 2021-05-25
Anticipated expiration: 2030-10-13

Abstract

The utility model discloses an internet education multimedia system, its structure includes: the utility model discloses an adopt the cleaning roller in gear train connection motor and the clearance mechanism for the motor is when rotatory pulling up the curtain and accomodate, the cleaning roller then carries out the rotation opposite with the motor, and remaining chalk powder and spot on with the curtain are erased through the flannel face on the cleaning roller, avoid causing the clearance difficulty, influence teacher's use, have still avoided the curtain to image the difficulty and have influenced life.

Description

Internet education multimedia system

Technical Field

The utility model relates to an education equipment field, specific are internet education multimedia system.

Background

Education institution uses the projecting apparatus and the screen cooperation to carry out the broadcast of teaching content often, then carries out internet education through recording forms such as video or live broadcast, but in prior art, the teacher often can point or mark the demonstration content on the screen with the chalk, and do not erase before the screen is accomodate, this makes the chalk powder remain on the screen very easily, just difficult clearance of long-term, not only influence teacher's use, but also cause the screen to form images the difficulty and influence life.

SUMMERY OF THE UTILITY MODEL

To the above problem, the utility model provides an internet education multimedia system.

In order to achieve the above purpose, the present invention is realized by the following technical solution: an internet education multimedia system, the structure of which comprises: projecting apparatus, mount, curtain, stretching device, clearance mechanism, the projecting apparatus passes through the mount to be fixed on the ceiling, stretching device fixes on the wall that the projecting apparatus faces, the curtain is connected in stretching device, clearance mechanism sets up at the stretching device lower extreme and with the curtain contact, stretching device comprises motor, collecting storage facility, roll up pole, the motor is fixed at the collecting storage facility left end, roll up the pole block and just the left end is fixed mutually with the motor shaft in the collecting storage facility.

Furthermore, the cleaning mechanism comprises a supporting sleeve shell, a gear set, a cleaning roller and a dust collecting box, wherein the supporting sleeve shell is fixed at two ends of the storage bin, the cleaning roller is clamped between the supporting sleeve shells, and two ends of the dust collecting box are clamped between the supporting sleeve shells and are positioned below the cleaning roller.

Furthermore, the gear set is composed of two gears with the same specification, the two gears of the gear set are respectively fixed at the right end of the motor shaft and the left end of the cleaning roller shaft, and the two gears of the gear set are meshed with each other.

Furthermore, the dust collecting box is in a box shape with an open upper end, and the outer side frame of the dust collecting box is abutted against the cleaning roller.

Further, the lateral length of the dust box is equal to the radius of the cleaning roller.

Furthermore, the transverse lengths of the cleaning roller and the dust collection box are both larger than that of the curtain.

Furthermore, the surface of the cleaning roller is made of flannelette materials.

Furthermore, the outer frame of the dust collection box is in interference fit with the cleaning roller.

Advantageous effects

Compared with the prior art, the utility model discloses following beneficial effect has:

1. the utility model discloses an adopt the gear train to connect motor and cleaning roller in the clearance mechanism, make the motor when rotatory to draw the curtain up and accomodate, cleaning roller then carries out the rotation opposite to the motor, wipes remaining chalk powder and spot on the curtain through the flannel face on the cleaning roller, avoids causing the clearance difficulty, influences teacher's use, has also avoided the curtain to form images the difficulty and has influenced life;

2. the utility model discloses a set up the dust collection box and with its block at the lower extreme of cleaning roller, offset through dust collection box outside frame and cleaning roller for the cleaning roller is when rotatory, and the dust collection box can strike off the dust on the cleaning roller down and accomodate in the dust collection box, avoids the dust to fly all the day, and the person of facilitating the use is to the collection and the unified management of abandonment dust.

Drawings

Fig. 1 is a schematic structural view of the multimedia system for internet education.

Fig. 2 is the side-cut structure schematic diagram of the stretching device and the cleaning mechanism of the utility model.

Fig. 3 is a schematic front structural view of the cleaning mechanism of the present invention.

In the figure: the device comprises a projector-1, a fixed frame-2, a curtain-3, a stretching device-4, a cleaning mechanism-5, a motor-41, a storage bin-42, a winding rod-43, a supporting casing-A, a gear set-B, a cleaning roller-C and a dust collecting box-D.

Detailed Description

The technical solution of the present invention will be described clearly and completely with reference to the accompanying drawings, and obviously, the described embodiments are some embodiments, not all embodiments, and all other embodiments obtained by a person of ordinary skill in the art without creative work belong to the protection scope of the present invention based on the embodiments of the present invention.

In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

Examples

As shown in fig. 1-3, the utility model provides an internet education multimedia system, its structure includes: projector 1, mount 2, curtain 3, stretching device 4, clearance mechanism 5, projector 1 passes through mount 2 to be fixed on the ceiling, stretching device 4 is fixed on the wall that projector 1 is just facing, curtain 3 is connected in stretching device 4, clearance mechanism 5 sets up at stretching device 4 lower extreme and contacts with curtain 3, stretching device 4 comprises motor 41, collecting chamber 42, rolling pole 43, motor 41 is fixed at collecting chamber 42 left end, rolling pole 43 block is fixed in collecting chamber 42 and left end and motor 41 axle.

The cleaning mechanism 5 is composed of a supporting sleeve A, a gear set B, a cleaning roller C and a dust collecting box D, wherein the supporting sleeve A is fixed at two ends of the storage bin 42, the cleaning roller C is clamped between the supporting sleeve A, and two ends of the dust collecting box D are clamped between the supporting sleeve A and are positioned below the cleaning roller C.

Gear train B is two gear constitutions of the same specification, two gears of gear train B are fixed respectively at the left end of 41 axle right-hand members of motor and cleaning roller C axle, two gears intermeshing of gear train B.

The dust collecting box D is in a box shape with an open upper end, and the frame on the outer side of the dust collecting box D abuts against the cleaning roller C, so that when the cleaning roller C rotates, the dust collecting box D can scrape off dust on the cleaning roller C and store the dust in the dust collecting box D.

The lateral length of the dust collecting box D is equal to the radius of the cleaning roller C.

The horizontal length of cleaning roller C and dust collection box D all is greater than the horizontal length of curtain 3, guarantees to clear up roller C and clears up 3 all to, avoids dust collection box D to collect the dust on the cleaning roller C not simultaneously.

The surface of the cleaning roller C is made of flannelette materials, so that the cleaning effect of the cleaning roller C is better.

The outer frame of the dust collection box D is in interference fit with the cleaning roller C.

The working principle of the present invention is explained as follows:

connecting the projector 1 with a computer, rotating a motor 41 in a stretching device 4 to drive a curtain 3 to descend, so that the projector 1 projects the computer content onto the curtain 3 to perform course education operation, starting the motor 41 to drive a rolling rod 43 to rotate when the curtain 3 is used up, rolling up the curtain 3, simultaneously driving a cleaning roller C to rotate through a gear set B by the motor 41, wherein the rotation direction of the cleaning roller C is opposite to that of the rolling rod 43, and through the cooperation of upward movement of the curtain 3 and downward rotation of the cleaning roller C, the residual chalk powder and stains on the curtain 3 are wiped by a flannelette surface on the cleaning roller C, so that the subsequent cleaning difficulty is avoided, the use of a teacher is influenced, and the service life is also avoided being influenced by the imaging difficulty of the curtain;

through having set up dust collection box D and with its block at the lower extreme of cleaning roller C, offset through dust collection box D outside frame and cleaning roller C for cleaning roller C is when rotatory, and dust collection box D can strike off the dust on the cleaning roller C and come and accomodate in dust collection box D, avoids the dust to fly all the day, and the person of facilitating the use is to the collection and the unified management of abandonment dust.

The technical features of the embodiments described above may be arbitrarily combined, and for the sake of brevity, all possible combinations of the technical features in the embodiments described above are not described, but should be considered as being within the scope of the present specification as long as there is no contradiction between the combinations of the technical features.

The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Claims

1. An internet education multimedia system, the structure of which comprises: projecting apparatus (1), mount (2), curtain (3), stretching device (4), clearance mechanism (5), its characterized in that:

the screen cleaning device comprises a projector (1), a stretching device (4), a screen (3), a cleaning mechanism (5) and a screen fixing device, wherein the projector (1) is fixed on a ceiling through a fixing frame (2), the stretching device (4) is fixed on a wall surface which is opposite to the projector (1), the screen (3) is connected in the stretching device (4), and the cleaning mechanism (5) is arranged at the lower end of the stretching device (4) and is in contact with the screen (3);

the stretching device (4) is composed of a motor (41), a storage bin (42) and a rolling rod (43), wherein the motor (41) is fixed at the left end of the storage bin (42), the rolling rod (43) is clamped in the storage bin (42), and the left end of the rolling rod is fixed with the shaft of the motor (41).

2. An internet education multimedia system as claimed in claim 1 wherein: the cleaning mechanism (5) is composed of a supporting sleeve (A), a gear set (B), a cleaning roller (C) and a dust collecting box (D), the supporting sleeve (A) is fixed at two ends of the storage bin (42), the cleaning roller (C) is clamped between the supporting sleeve (A), and two ends of the dust collecting box (D) are clamped between the supporting sleeve (A) and located below the cleaning roller (C).

3. An internet education multimedia system as claimed in claim 2 wherein: gear train (B) are two gear composition of the same specification, two gears of gear train (B) are fixed respectively in the left end of motor (41) axle right-hand member and cleaning roller (C) axle, two gears intermeshing of gear train (B).

4. An internet education multimedia system as claimed in claim 2 wherein: the upper end of the dust collecting box (D) is open and is in a box shape, and the outer side frame of the dust collecting box (D) is abutted against the cleaning roller (C).

5. An internet education multimedia system as claimed in claim 2 wherein: the lateral length of the dust collection box (D) is equal to the radius of the cleaning roller (C).

6. An internet education multimedia system as claimed in claim 2 wherein: the transverse lengths of the cleaning roller (C) and the dust collection box (D) are both greater than that of the curtain (3).