CN210283711U

CN210283711U - Multifunctional electric self-erasing teaching blackboard

Info

Publication number: CN210283711U
Application number: CN201921115300.9U
Authority: CN
Inventors: 胡淘然
Original assignee: Individual
Current assignee: Individual
Priority date: 2019-07-16
Filing date: 2019-07-16
Publication date: 2020-04-10
Anticipated expiration: 2029-07-16

Abstract

The utility model relates to the field of teaching facilities, and discloses a multifunctional electric self-erasing teaching blackboard, which comprises a blackboard body, an electric self-erasing device and an automatic dust collecting device, wherein a frame is arranged on the periphery of the blackboard body, and the electric self-erasing device comprises a movable frame, a rotating shaft, an erasing head and a power mechanism; the movable frame is provided with a dust collecting cover which is abutted against the blackboard body and surrounds the plurality of the powder erasing heads, and the automatic dust collecting device is communicated with the bottom of the dust collecting cover through a hose. The utility model has the advantages of it is following and effect: the power mechanism drives the rotating shafts to rotate simultaneously, so that the plurality of chalk erasing heads are driven to rotate to efficiently erase chalk characters on the blackboard body, and then the movable frame is moved to erase the chalk characters on the whole blackboard body; meanwhile, chalk dust generated by wiping off chalk characters falls into the dust collection cover and is collected into the automatic dust collection device through the hose.

Description

Multifunctional electric self-erasing teaching blackboard

Technical Field

The utility model relates to a teaching facility field, in particular to multi-functional electronic formula teaching blackboard of wiping certainly.

Background

At present, various blackboards are commonly used in various teaching, but most blackboards written by chalks have the problem of dust pollution, the health of teachers and students is seriously affected, and especially when the blackboards are erased, large pieces of chalk dust are scattered everywhere, so that students and teachers inevitably suck some chalk dust, the various organs such as lungs, upper respiratory tracts, eyes, skins, ears and the like of the students and the teachers are easily damaged, other diseases can be induced, and the environment is polluted.

The utility model discloses a formula blackboard is wiped from overturning as patent application number 200720086073.2, the electric actuator that can fix on the wall body is equipped with two flexible rocking arms, and each hoist and mount of front end of two flexible rocking arms have a blackboard that can overturn around each other through flexible rocking arm control to all be equipped with holistic brush at the back of two blackboards. When the blackboard eraser is installed and used, the electric device is started, the telescopic rocker arm can control the two blackboards to be matched to overturn up and down and back and forth, and written chalk characters are erased through the hairbrush on the back of the blackboards while the blackboards are overturned.

In the turnover self-erasing blackboard, the chalk dust erased by the brush can be attached to the brush and is not easy to clean, and after the brush is used for a long time, the chalk dust can be scattered on the ground when being gathered too much, thereby polluting the ground environment.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a multi-functional electronic formula teaching blackboard of erasing certainly has the effect of automatic collection chalk dust at the in-process of erasing the chalk word.

The above technical purpose of the present invention can be achieved by the following technical solutions: a multifunctional electric self-erasing teaching blackboard comprises a blackboard body, an electric self-erasing device and an automatic dust collecting device, wherein a frame is arranged on the periphery of the blackboard body, the electric self-erasing device comprises a moving frame which is horizontally arranged on the frame in a sliding manner, a plurality of rotating shafts which are rotatably connected to the moving frame and are arranged and distributed along the vertical direction, a powder erasing head which is arranged on the rotating shafts and is in contact with the blackboard body, and a power mechanism which is arranged on the moving frame and is used for driving the rotating shafts to rotate simultaneously; the movable frame is provided with a dust hood which is abutted against the blackboard body and surrounds the plurality of the powder erasing heads, and the automatic dust collecting device is communicated with the bottom of the dust hood through a hose.

The utility model discloses a further set up to: the power mechanism comprises a first belt pulley arranged on the rotating shaft, a second belt pulley arranged on the rotating shaft, a plurality of first conveying belts, a plurality of second conveying belts and a motor which is arranged on the moving frame and is linked with one of the rotating shafts; and the first belt pulley of one rotating shaft is linked with the first belt pulley of the rotating shaft adjacent to one side through a first conveying belt, and the second belt pulley of the rotating shaft is linked with the second belt pulley of the rotating shaft adjacent to the other side through a second conveying belt.

The utility model discloses a further set up to: the top and the bottom of frame are provided with the guide rail that extends along the horizontal direction, the upper and lower both ends of removing the frame are provided with the guide pulley of sliding connection on the guide rail, the tip of guide rail can be dismantled and be provided with the spacing subassembly that prevents the guide pulley roll-off guide rail.

The utility model discloses a further set up to: the limiting assembly comprises a limiting block embedded at the end part of the guide rail, a limiting bolt penetrating through the limiting block and connected to the guide rail through threads, and a rubber cushion pad arranged on the end face, close to the movable frame, of the limiting block.

The utility model discloses a further set up to: the automatic dust collecting device comprises a dust collecting box with an air inlet and an air outlet, a fan which is arranged on the air outlet of the dust collecting box and is used for discharging air in the dust collecting box to the outside, and a filter cartridge which is arranged in the middle of the dust collecting box; the hose is connected between the bottom of the dust hood and the air inlet of the dust collection box.

The utility model discloses a further set up to: the lower end of the movable frame is provided with a handle on the end face far away from the blackboard body.

The utility model discloses a further set up to: the bottom of the frame is provided with a collecting hopper for collecting the dropped residual chalk dust.

To sum up, the utility model discloses following beneficial effect has: the power mechanism drives the rotating shafts to rotate simultaneously, so that the plurality of chalk erasing heads are driven to rotate to efficiently erase chalk characters on the blackboard body, and then the movable frame is moved to erase the chalk characters on the whole blackboard body; meanwhile, chalk dust generated by wiping off chalk characters falls into the dust collection cover and is collected into the automatic dust collection device through the hose.

Drawings

Fig. 1 is a schematic structural diagram of the present invention;

FIG. 2 is a schematic structural view of the electric self-wiping device of the present invention;

fig. 3 is a schematic structural view of the power mechanism shown in fig. 2 with a cut-away portion;

fig. 4 is a partially enlarged view at a in fig. 1.

Reference numerals: 1. a blackboard body; 2. an electric self-wiping device; 21. moving the frame; 211. a handle; 212. a guide wheel; 22. a rotating shaft; 23. a powdering head; 24. a power mechanism; 241. a first pulley; 242. a second pulley; 243. a first conveyor belt; 244. a second conveyor belt; 245. a motor; 3. an automatic dust collecting device; 31. a dust collection box; 311. an air inlet; 312. an air outlet; 32. a fan; 33. a filter cartridge; 4. a frame; 41. a guide rail; 42. a collecting hopper; 5. a dust collection cover; 6. a limiting component; 61. a limiting block; 62. a limit bolt; 63. a rubber cushion pad; 7. a hose.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings.

Example 1: a multifunctional electric self-erasing teaching blackboard is shown in figure 1 and comprises a blackboard body 1, an electric self-erasing device 2 and an automatic dust collecting device 3.

As shown in fig. 1, a frame 4 is fixedly provided on the periphery of the blackboard body 1, and guide rails 41 extending in the horizontal direction are fixedly provided on the top and bottom of the frame 4. The bottom of the frame 4 is integrally provided with a collection hopper 42 for collecting the dropped residual chalk dust.

As shown in fig. 1 to 3, the electric self-erasing device 2 includes a moving frame 21 horizontally slidably disposed on two guide rails 41, a plurality of rotating shafts 22 rotatably connected to the moving frame 21 through bearings and arranged in a vertical direction, an erasing head 23 fixedly disposed on the rotating shafts 22 and contacting the blackboard body 1, and a power mechanism 24 disposed on the moving frame 21 and configured to drive the plurality of rotating shafts 22 to rotate simultaneously. The plural powder erasing heads 23 interfere with each other.

As shown in fig. 2 and 3, the power mechanism 24 includes a first pulley 241 fixedly disposed on the rotating shaft 22, a second pulley 242 fixedly disposed on the rotating shaft 22, a plurality of first conveyor belts 243, a plurality of second conveyor belts 244, and a motor 245 disposed on the moving frame 21 and interlocked with one of the rotating shafts 22. The first pulley 241 of one rotating shaft 22 is linked with the first pulley 241 of the adjacent rotating shaft 22 on one side by a first transmission belt 243, and the second pulley 242 of the rotating shaft 22 is linked with the second pulley 242 of the adjacent rotating shaft 22 on the other side by a second transmission belt 244.

As shown in fig. 1, 2 and 4, guide wheels 212 slidably disposed on the guide rails 41 are rotatably connected to the top and bottom of the moving frame 21, respectively. Limiting assemblies 6 for preventing guide wheels 212 from sliding out of the guide rails 41 are detachably arranged at the ends of the guide rails 41. The stopper assembly 6 includes a stopper 61 fitted to an end of the guide rail 41, a stopper bolt 62 screwed to the guide rail 41 after passing through the stopper 61, and a rubber cushion 63 bonded to an end surface of the stopper 61 close to the moving frame 21. Meanwhile, a handle 211 is fixedly arranged on the end surface of the lower end of the movable frame 21 far away from the blackboard body 1.

As shown in fig. 1 and 2, the moving frame 21 is provided with a dust collection cover 5 which abuts on the blackboard body 1 and surrounds the plurality of eraser heads 23. The automatic dust collector 3 includes a dust box 31 having an air inlet 311 and an air outlet 312, a fan 32 fixedly installed at the air outlet 312 of the dust box 31 for discharging air inside the dust box 31 to the outside, and a filter cartridge 33 fixedly installed at the middle portion of the dust box 31. The bottom of the dust hood 5 is connected with the air inlet 311 of the dust box 31 through a hose 7.

The implementation principle is as follows: the plurality of rotating shafts 22 are driven to rotate simultaneously through the power mechanism 24, so that the plurality of chalk erasing heads 23 are driven to rotate to efficiently erase chalk characters on the blackboard body 1, and then the chalk characters on the whole blackboard body 1 can be erased by moving the movable frame 21; at the same time, the chalk dust generated by the wiping of the chalk characters falls into the dust collecting cover 5 and is collected into the automatic dust collecting apparatus 3 through the hose 7.

The present embodiment is only for explaining the present invention, and it is not limited to the present invention, and those skilled in the art can make modifications to the present embodiment without inventive contribution as required after reading the present specification, but all of them are protected by patent laws within the scope of the claims of the present invention.

Claims

1. The utility model provides a multi-functional electronic formula teaching blackboard of erasing certainly, includes blackboard body (1), electronic formula device (2), automatic dust collecting device (3) of erasing certainly, its characterized in that: the blackboard comprises a blackboard body (1), wherein a frame (4) is arranged on the periphery of the blackboard body (1), the electric self-erasing device (2) comprises a moving frame (21) which is horizontally arranged on the frame (4) in a sliding manner, a plurality of rotating shafts (22) which are rotatably connected to the moving frame (21) and are distributed in a vertical direction in an arrangement manner, a powder erasing head (23) which is arranged on the rotating shafts (22) and is in contact with the blackboard body (1), and a power mechanism (24) which is arranged on the moving frame (21) and is used for driving the rotating shafts (22) to rotate simultaneously; the movable frame (21) is provided with a dust collection cover (5) which is abutted against the blackboard body (1) and surrounds the plurality of the powder erasing heads (23), and the automatic dust collection device (3) is communicated with the bottom of the dust collection cover (5) through a hose (7).

2. The multifunctional electric self-erasing teaching blackboard according to claim 1, wherein: the power mechanism (24) comprises a first belt pulley (241) arranged on the rotating shaft (22), a second belt pulley (242) arranged on the rotating shaft (22), a plurality of first conveying belts (243), a plurality of second conveying belts (244) and a motor (245) which is arranged on the moving frame (21) and is linked with one rotating shaft (22); the first belt pulley (241) of one rotating shaft (22) is linked with the first belt pulley (241) of the rotating shaft (22) adjacent to one side through a first conveying belt (243), and the second belt pulley (242) of the rotating shaft (22) is linked with the second belt pulley (242) of the rotating shaft (22) adjacent to the other side through a second conveying belt (244).

3. The multifunctional electric self-erasing teaching blackboard according to claim 1, wherein: the top and the bottom of frame (4) are provided with guide rail (41) that extend along the horizontal direction, the upper and lower both ends of removing frame (21) are provided with guide pulley (212) of sliding connection on guide rail (41), the tip of guide rail (41) can be dismantled and be provided with spacing subassembly (6) that prevent guide pulley (212) roll-off guide rail (41).

4. The multifunctional electric self-erasing teaching blackboard according to claim 3, wherein: the limiting assembly (6) comprises a limiting block (61) embedded at the end part of the guide rail (41), a limiting bolt (62) penetrating through the limiting block (61) and connected to the guide rail (41) in a threaded mode, and a rubber buffer pad (63) arranged on the end face, close to the movable frame (21), of the limiting block (61).

5. The multifunctional electric self-erasing teaching blackboard according to claim 1, wherein: the automatic dust collection device (3) comprises a dust collection box (31) with an air inlet (311) and an air outlet (312), a fan (32) which is arranged on the air outlet (312) of the dust collection box (31) and is used for discharging air in the dust collection box (31) to the outside, and a filter cartridge (33) which is arranged in the middle of the dust collection box (31); the hose (7) is connected between the bottom of the dust hood (5) and the air inlet (311) of the dust collection box (31).

6. The multifunctional electric self-erasing teaching blackboard according to claim 1, wherein: the end face, far away from the blackboard body (1), of the lower end of the movable frame (21) is provided with a handle (211).

7. The multifunctional electric self-erasing teaching blackboard according to claim 1, wherein: the bottom of the frame (4) is provided with a collecting hopper (42) for collecting the dropped residual chalk dust.