CN205818756U - Electric dust absorption Revolving blackboard - Google Patents

Abstract

The utility model relates to an electric dust-absorbing rotating blackboard, which comprises an upper mounting frame, a lower mounting frame, side sealing plates I, side sealing plates II, an upper rotating shaft, a lower rotating shaft, an annular blackboard surface and a roller brush. The side sealing plate Ⅰ and side sealing plate II are set opposite to each other. The upper part of side sealing plate I and side sealing plate II is connected by the upper mounting frame, and the lower part is connected by the lower mounting frame. Between the upper mounting frame and the lower mounting frame is installed a The upper and lower rotating shafts, the annular blackboard surface is sleeved on the upper rotating shaft and the lower rotating shaft, the annular blackboard surface is driven by a driving mechanism, and a blackboard wiping mechanism is installed on the side sealing plate I and the side sealing plate II . The utility model has the advantages that: the surface of the ring-shaped blackboard can be rotated, and the rotation of the roller brush wipes the handwriting on the surface of the ring-shaped blackboard, and the dust generated by wiping is absorbed by the dust collecting fan, which greatly reduces the impact of the dust on people's health and improves teaching quality. efficiency and teaching quality.

Description

Electric Vacuum Rotating Blackboard

technical field

The utility model relates to a blackboard, in particular to an electric dust-absorbing rotating blackboard.

Background technique

Blackboards and blackboard erasers are widely used in education and teaching. Most of the blackboards currently on the market are hung on the wall and cannot be turned over automatically. They need to be manually pulled, which increases the labor intensity of teachers. The handwriting of lime chalk is difficult to wipe, and dust is much when wiping, brings bad influence to teacher and student, is unfavorable to people's health. And the wiping efficiency of existing blackboard eraser is low, and friction is serious, and wiping is unclean, and people's health is had serious injury.

Contents of the invention

The technical problem mainly solved by the utility model is: to provide an electric dust-absorbing rotating blackboard, the annular blackboard surface can rotate, the rotation of the roller brush wipes the handwriting on the annular blackboard surface, and the dust generated by wiping is absorbed by the dust collecting fan, greatly Reduce the impact of dust on people's health, improve teaching efficiency and teaching quality.

The technical scheme of the utility model is: an electric dust-absorbing rotary blackboard, including an upper mounting frame, a lower mounting frame, side sealing plates I, side sealing plates II, an upper rotating shaft, a lower rotating shaft, an annular blackboard surface and a rolling brush, the The side sealing plate I and the side sealing plate II are set opposite to each other, the upper part of the side sealing plate I and the side sealing plate II is connected by the upper mounting frame, the lower part is connected by the lower mounting frame, and the upper mounting frame and the lower mounting frame are installed. The upper and lower rotating shafts are arranged in the horizontal direction, the annular blackboard surface is sleeved on the upper rotating shaft and the lower rotating shaft, and the annular blackboard surface is driven by a driving mechanism, and installed on the side sealing plate I and the side sealing plate II With blackboard wiping mechanism.

The drive mechanism includes a synchronous gear I, a synchronous gear II, a synchronous belt and a motor, the upper shaft is equipped with a synchronous gear I, the lower shaft is equipped with a synchronous gear II, and the output shaft of the motor is fixedly connected to the lower shaft. The synchronous belt is set on the synchronous gear I and the synchronous gear II.

The blackboard wiping mechanism includes a driving pulley, a driven pulley, a belt, a wiping shaft, a fixed seat, a roller brush, an outer casing, a dust collection fan and a collecting tank, and a driving pulley is installed on the output shaft of the motor, and the wiping shaft passes through The fixed seat is rotatably installed on the side seal plate I and the side seal plate II, and a driven pulley is installed at the end of the wiping shaft, and the belt is set on the driving pulley and the driven pulley; the middle part of the wiping shaft is installed with a roller brush, the rolling brush is in contact with the surface of the annular blackboard; the two ends of the outer casing are respectively fixedly connected to the side sealing plate I and the side sealing plate II, and the rolling brush is arranged inside the outer casing, and the outer casing A dust collection fan is also installed at the end of the dust collector, and the collection tank is installed on the dust collection fan.

A sealing strip is arranged on the outer casing, and the sealing strip is in contact with the surface of the annular blackboard.

Mounting seats are respectively arranged on the upper mounting frame and the lower mounting frame.

The utility model has the advantages that: the surface of the ring-shaped blackboard can be rotated, and the rotation of the roller brush wipes the handwriting on the surface of the ring-shaped blackboard, and the dust generated by wiping is absorbed by the dust collecting fan, which greatly reduces the impact of the dust on people's health and improves teaching quality. efficiency and teaching quality.

Description of drawings

Fig. 1 is a schematic diagram of the main structure of the utility model;

Fig. 2 is the back view of Fig. 1;

Fig. 3 is a schematic diagram of the disassembled structure of Fig. 1;

FIG. 4 is a rear view of FIG. 3 .

detailed description

The utility model will be further described below in conjunction with specific embodiments, and the advantages and characteristics of the utility model will become clearer along with the description. However, these embodiments are only exemplary, and do not constitute any limitation to the scope of the present utility model. Those skilled in the art should understand that, without departing from the spirit and scope of the utility model, the details and forms of the technical solution of the utility model can be modified or replaced, but these modifications and replacements all fall within the protection scope of the utility model .

Referring to Fig. 1 to Fig. 4, the utility model relates to an electric dust-absorbing rotating blackboard, including an upper mounting frame 1, a lower mounting frame 2, side sealing plates I3, side sealing plates II4, an upper rotating shaft 5, a lower rotating shaft 7, and an annular blackboard The surface 10 and the rolling brush 17, the side sealing plate I3 and the side sealing plate II4 are arranged oppositely, the upper part of the side sealing plate I3 and the side sealing plate II4 are connected by the upper mounting frame 1, and the lower part is connected by the lower mounting frame 2, An upper rotating shaft 5 and a lower rotating shaft 7 arranged in the horizontal direction are installed between the upper mounting frame 1 and the lower mounting frame 2, and the annular blackboard surface 10 is sleeved on the upper rotating shaft 5 and the lower rotating shaft 7, and the annular blackboard surface 10 passes through Driven by the driving mechanism, a blackboard wiping mechanism is installed on the side sealing plate I3 and the side sealing plate II4.

There are two sets of drive mechanisms, one set is installed at the side seal plate I3 and the side seal plate II4, and each set of drive mechanisms includes a synchronous gear I6, a synchronous gear II8, a synchronous belt 9 and a motor 11. Synchronous gear I6 is installed on the upper rotating shaft, and synchronous gear II8 is installed on the lower rotating shaft. The output shaft of the motor 11 is fixedly connected with the lower rotating shaft 7, and the synchronous belt 9 is sleeved on the synchronous gear I6 and the synchronous gear II8.

Synchronous gear I6 and synchronous gear II8 are respectively installed on the two ends of the upper shaft and the lower shaft inside the side sealing plate I3 and side sealing plate II4. A motor that drives the lower rotating shaft to rotate is respectively installed on the outer sides of I3 and side sealing plate II4.

Described blackboard wiping mechanism comprises driving pulley 12, driven pulley 13, belt 14, wiping shaft 15, fixed seat 16, roller brush 17, outer protective shell 18, dust collection fan 20 and collection tank 21, at the output of motor 11 The driving pulley 12 is installed on the shaft, and the wiping shaft 15 is installed on the side sealing plate I3 and the side sealing plate II4 through the fixed seat 16, and the driven pulley 13 is installed at the end of the wiping shaft 15, and the belt 14 is set on the On the driving pulley 12 and the driven pulley 13; the middle part of the wiping shaft 15 is equipped with a rolling brush 17, which is in contact with the annular blackboard surface 10; the two ends of the outer shell 18 are respectively fixedly connected to the On the side sealing plate I3 and the side sealing plate II4, and the roller brush 17 is arranged inside the outer casing 18, and a dust collecting fan is installed at the end of the outer casing, and the collecting tank 21 is installed on the dust collecting fan 20.

A sealing strip 19 is provided on the outer casing 18 , and the sealing strip 19 is in contact with the annular blackboard surface 10 .

Mounting bases 22 are respectively provided on the upper mounting frame and the lower mounting frame.

The working principle of the utility model is: when the front board surface of the annular blackboard surface 10 is full, start the motor 11, driven by the motor 11, the lower shaft 7 rotates, and under the transmission of the synchronous gear II 8 and the synchronous belt 9, the circular The blackboard face 10 will rotate, and the front board face of the annular blackboard face 10 that writes full handwriting turns to the back side, and the back side will turn to the front to continue writing. Simultaneously under the drive of driving pulley 12, belt 14 and driven pulley 13, wiping shaft 15 rotates, and the rolling brush 17 that is installed on wiping shaft 15 rotates, and rolling brush 17 fits with annular blackboard surface 10, and rolling brush 17 rotates The handwriting on the annular blackboard surface 10 is erased, and the dust generated by wiping enters into the collecting tank 21 under the action of the dust collecting fan 20 to be collected. The sealing strips 19 on the upper and lower sides of the outer shell 18 can prevent the dust generated by wiping from leaking out of the outer shell 18, reduce the extra labor caused by wiping the blackboard during the teacher's lecture, greatly reduce the impact of dust on people's health, and improve education. Teaching efficiency and quality of education and teaching.

Claims (5)

1. an electric dust absorption Revolving blackboard, it is characterised in that include installing rack (1), lower installing rack (2), side seal board I (3), Side seal board II (4), upper rotating shaft (5), lower rotary shaft (7), annular blackboard face (10) and round brush (17), described side seal board I (3) and side Shrouding II (4) is oppositely arranged, and is connected by upper installing rack (1) on the top of side seal board I (3) and side seal board II (4), and bottom is passed through Lower installing rack (2) connects, and is provided with horizontally disposed upper rotating shaft between upper installing rack (1) and lower installing rack (2) (5) and lower rotary shaft (7), described annular blackboard face (10) is enclosed within rotating shaft (5) and lower rotary shaft (7), this annular blackboard face (10) driven by drive mechanism, described side seal board I (3) and side seal board II (4) are provided with blackboard-cleaning mechanism.

Electric dust absorption Revolving blackboard the most according to claim 1, it is characterised in that described drive mechanism includes synchronous gear Wheel I (6), synchromesh gear II (8), Timing Belt (9) and motor (11), described upper rotating shaft is provided with synchromesh gear I (6), under Being provided with synchromesh gear II (8) in rotating shaft, the output shaft of motor (11) is fixing with lower rotary shaft (7) to be connected, and Timing Belt (9) is sleeved on On synchromesh gear I (6) and synchromesh gear II (8).

Electric dust absorption Revolving blackboard the most according to claim 2, it is characterised in that described blackboard-cleaning mechanism includes main Dynamic belt pulley (12), driven pulley (13), belt (14), wiping axle (15), fixing seat (16), round brush (17), outer protecting shell (18), dust collecting fan (20) and collecting tank (21), the output shaft of motor (11) is provided with drive pulley (12), wiping axle (15) it is arranged on side seal board I (3) and side seal board II (4), at described wiping axle (15) by what fixing seat (16) rotated End is provided with driven pulley (13), and belt (14) is sleeved on drive pulley (12) and driven pulley (13)；This wiping The middle part wiping axle (15) is provided with round brush (17), and this round brush (17) contacts with described annular blackboard face (10)；Protect outside described The two ends of shell (18) are respectively fixedly connected with on side seal board I (3) and side seal board II (4), and round brush (17) is arranged on outer protecting shell (18) inside, is also equipped with a dust collecting fan in the end of outer protecting shell, and collecting tank is arranged on dust collecting fan.

Electric dust absorption Revolving blackboard the most according to claim 3, it is characterised in that in the upper setting of described outer protecting shell (18) Sealing strip (19), this sealing strip (19) is had to contact with described annular blackboard face (10).

5. according to the electric dust absorption Revolving blackboard described in Claims 1-4 any one claim, it is characterised in that in institute It is respectively arranged with mounting seat (22) on the upper installing rack stated and lower installing rack.