CN214027988U

CN214027988U - Automatic blackboard erasing device

Info

Publication number: CN214027988U
Application number: CN202021952287.5U
Authority: CN
Inventors: 王博广
Original assignee: Individual
Current assignee: Individual
Priority date: 2020-09-08
Filing date: 2020-09-08
Publication date: 2021-08-24
Anticipated expiration: 2030-09-08

Abstract

The utility model discloses an automatic blackboard erasing device, include: the device comprises a base, a first driving mechanism and a second driving mechanism; two guide rails which are arranged in parallel are arranged on the base, and sliding blocks are arranged on the two guide rails; a rotating roller is arranged between the two sliding blocks, a brush is arranged on the surface of the rotating roller, the first driving mechanism is suitable for driving the rotating roller to rotate around the axis of the first driving mechanism, and the second driving mechanism is suitable for driving the sliding blocks to slide along the guide rail; a blackboard is arranged between the two guide rails and fixedly connected to the base, and the length of the blackboard is smaller than that of the guide rails. The utility model discloses an automatic blackboard erasing device, it can erase the writing on the monoblock blackboard automatically, and erase effectual, labour saving and time saving.

Description

Automatic blackboard erasing device

Technical Field

The utility model relates to a teaching aid technical field especially relates to an automatic blackboard erasing device.

Background

The blackboard is the most traditional teaching aid in the teaching process, and is mainly used for writing on a blackboard and drawing during teaching of a teacher, and after the teacher uses chalk to write or draw and annotate on the blackboard, the blackboard can be timely erased and corrected, and the flexibility is high.

At present, the blackboard is erased manually, namely, a valuable student is arranged to erase the blackboard after class. For the blackboard with less writing on the blackboard, the workload of the students on duty is less, but for the blackboard with more writing left, the workload of the students on duty is large, and the students can occupy the activity time after class to a certain extent. Moreover, due to the difference of the body height of the person living on the board, the blackboard with a higher writing on the board is inconvenient for the person with a shorter height to erase, and even the blackboard is not erased thoroughly enough sometimes, so that the teaching effect is influenced.

SUMMERY OF THE UTILITY MODEL

In order to overcome the defects of the prior art, the utility model aims to provide an automatic blackboard erasing device, which can automatically erase the handwriting on the whole blackboard, and has good erasing effect and time and labor saving.

The purpose of the utility model is realized by adopting the following technical scheme:

an automatic blackboard erasing apparatus, comprising: the device comprises a base, a first driving mechanism and a second driving mechanism; two guide rails which are arranged in parallel are arranged on the base, and sliding blocks are arranged on the two guide rails; a rotating roller is arranged between the two sliding blocks, a brush is arranged on the surface of the rotating roller, the first driving mechanism is suitable for driving the rotating roller to rotate around the axis of the rotating roller, and the second driving mechanism is suitable for driving the sliding blocks to slide along the guide rail; a blackboard is arranged between the two guide rails, the blackboard is fixedly connected to the base, and the length of the blackboard is smaller than that of the guide rails.

Further, the first driving mechanism is a motor, and the second driving mechanism is an air cylinder.

Further, the top of base is provided with the support frame, rotatable coupling has the winding roller on the support frame, the winding roller is suitable for being driven in order to rotate around self axis by third actuating mechanism, the winding roller with the guide rail is parallel and is located guide rail the place ahead, it has the dust curtain to wind on the winding roller, be suitable for when the dust curtain expandes to shelter from the blackboard.

Furthermore, one side of the dustproof curtain opposite to the winding roller is provided with a first bar magnet, the base is provided with a second bar magnet, and the first bar magnet is suitable for being magnetically attracted with the second bar magnet.

Furthermore, a dust suction fan is arranged below the blackboard, an air outlet of the dust suction fan is communicated with a dust suction pipe, and the dust suction fan and the dust suction pipe are both positioned in the base; the base is also detachably connected with a dust collection box, and the dust collection box is suitable for being communicated with the dust collection pipe when being positioned in the base.

Further, a handle is arranged on the dust collection box.

Furthermore, the base is provided with an accommodating cavity, the dust collection box can be placed in or taken out of the accommodating cavity, the accommodating cavity is communicated with the dust collection pipe, and when the dust collection box is placed in the accommodating cavity, an inlet of the accommodating cavity is aligned with a communication position of the dust collection pipe and the accommodating cavity.

Further, the bottom of the dust collection box is provided with rollers.

Furthermore, the dust absorption fans are multiple and are uniformly distributed along the length direction of the guide rail.

Compared with the prior art, the beneficial effects of the utility model reside in that: be provided with the blackboard between two guide rails, the length of blackboard is less than the length of guide rail, so when the slider drove the live-rollers along the guide rail motion, the live-rollers can cover the monoblock blackboard, and the live-rollers when moving along the guide rail, and first actuating mechanism can drive the live-rollers rotation again, so, the monoblock blackboard can both be erased, and can guarantee the effect of erasing of blackboard. In addition, the erasing process is realized by mutually matching all mechanical parts, the automation degree is high, manual erasing is not needed, and time and labor are saved.

Drawings

FIG. 1 is a schematic front view of an automatic blackboard erasing device of the utility model;

fig. 2 is a left side view of fig. 1.

In the figure: 1. a base; 11. a guide rail; 12. a slider; 13. a rotating roller; 14. a blackboard; 15. a support frame; 16. a winding roller; 17. a dust curtain; 171. a first bar magnet; 18. a second bar magnet; 19. an accommodating chamber; 21. a dust collection fan; 22. a dust collection pipe; 23. a dust collection box; 231. a handle.

Detailed Description

In order to facilitate understanding of the present invention, the present invention will be described more fully hereinafter with reference to the accompanying drawings. Preferred embodiments of the present invention are shown in the drawings. The invention may, however, be embodied in many different forms and should not be construed as limited to the embodiments set forth herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete.

It will be understood that when an element is referred to as being "secured to" another element, it can be directly on the other element or intervening elements may also be present. When an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present. The terms "vertical," "horizontal," "left," "right," and the like as used herein are for illustrative purposes only.

Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. The terminology used in the description of the invention herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention. As used herein, the term "and/or" includes any and all combinations of one or more of the associated listed items.

As shown in fig. 1-2, the automatic blackboard erasing apparatus provided by the embodiment of the present invention is shown, which at least includes a base 1, a first driving mechanism and a second driving mechanism; two guide rails 11 which are arranged in parallel are arranged on the base 1, and sliding blocks 12 are arranged on the two guide rails 11; a rotating roller 13 is arranged between the two sliding blocks 12, brushes are arranged on the surface of the rotating roller 13, the first driving mechanism is suitable for driving the rotating roller 13 to rotate around the axis of the first driving mechanism, and the second driving mechanism is suitable for driving the sliding blocks 12 to slide along the guide rail 11; a blackboard 14 is arranged between the two guide rails 11, the blackboard 14 is fixedly connected to the base 1, and the length of the blackboard 14 is smaller than that of the guide rails 11. Specifically, the first driving mechanism is a motor, and the second driving mechanism is a cylinder.

In the above arrangement mode, the blackboard 14 is arranged between the two guide rails 11, and the length of the blackboard 14 is smaller than that of the guide rails 11, so that when the slider 12 drives the rotating roller 13 to move along the guide rails 11, the rotating roller 13 can cover the whole blackboard 14, and when the rotating roller 13 moves along the guide rails 11, the first driving mechanism can drive the rotating roller 13 to rotate, so that the whole blackboard 14 can be erased, and the erasing effect of the blackboard 14 can be ensured. In addition, the erasing process is realized by mutually matching all mechanical parts, the automation degree is high, manual erasing is not needed, and time and labor are saved.

In a preferred embodiment, a support frame 15 is arranged on the top of the base 1, a winding roller 16 is rotatably connected to the support frame 15, the winding roller 16 is driven by a third driving mechanism to rotate around the axis of the winding roller 16, the winding roller 16 is parallel to the guide rail 11 and is positioned in front of the guide rail 11, a dust-proof curtain 17 is wound on the winding roller 16, and the dust-proof curtain 17 is suitable for shielding the blackboard 14 when being unfolded. Specifically, the third driving mechanism may be a motor. By such a configuration, when the rotating roller 13 performs the erasing work, the dust-proof curtain 17 can be spread, so that the chalk dust can be prevented from flying around during the erasing process.

Preferably, the side of the dust curtain 17 opposite to the winding roller 16 is provided with a first bar magnet 171, the base 1 is provided with a second bar magnet 18, and the first bar magnet 171 is adapted to magnetically attract the second bar magnet 18. Through the arrangement mode, the dust-proof curtain 17 has a better sealing effect when being unfolded, and the chalk dust is prevented from leaking from a gap at the bottom of the dust-proof curtain 17 in the erasing process.

Preferably, a dust suction fan 21 is arranged below the blackboard 14, an air outlet of the dust suction fan 21 is communicated with a dust suction pipe 22, and the dust suction fan 21 and the dust suction pipe 22 are both positioned in the base 1; a dust box 23 is also detachably connected in the base 1, and the dust box 23 is suitable for being communicated with the dust suction pipe 22 when being positioned in the base 1. Specifically, seted up on base 1 and held chamber 19, dust-collecting box 23 can put into or take out and hold chamber 19, holds chamber 19 and dust absorption pipe 22 intercommunication, and when dust-collecting box 23 put into and hold chamber 19, the entry that holds chamber 19 aims at dust absorption pipe 22 and the intercommunication that holds chamber 19. By the arrangement mode, the chalk dust in the erasing process can be sucked into the dust collection box 23 through the dust collection fan 21, and the chalk dust is collected. And the chalk dust in the erasing process can be collected as soon as possible by the dust suction effect of the dust suction fan 21, and compared with a mode of naturally depositing the chalk dust, the time is shorter, and the waiting time is shortened.

Preferably, the dust box 23 is provided with a handle 231. Specifically, by providing the handle 231 on the dust box 23, the holding can be facilitated.

Preferably, the bottom of the dust box 23 is provided with rollers. Through the arrangement of the rollers, the friction between the dust box 23 and the accommodating cavity 19 is reduced, and the dust box 23 is more convenient to take and place.

Preferably, the dust suction fan 21 is plural, and the plural dust suction fans 21 are uniformly arranged along the length direction of the guide rail 11. By the arrangement mode, the collection effect of the chalk dust can be further improved.

The above is only the embodiment of the present invention, not limiting the scope of the present invention, all the equivalent structures or equivalent processes of the present invention are used in the specification and the attached drawings, or directly or indirectly applied to other related technical fields, and all the same principles are included in the protection scope of the present invention.

Claims

1. An automatic blackboard erasing device, comprising: the device comprises a base, a first driving mechanism and a second driving mechanism; two guide rails which are arranged in parallel are arranged on the base, and sliding blocks are arranged on the two guide rails; a rotating roller is arranged between the two sliding blocks, a brush is arranged on the surface of the rotating roller, the first driving mechanism is suitable for driving the rotating roller to rotate around the axis of the rotating roller, and the second driving mechanism is suitable for driving the sliding blocks to slide along the guide rail; a blackboard is arranged between the two guide rails, the blackboard is fixedly connected to the base, and the length of the blackboard is smaller than that of the guide rails.

2. An automatic blackboard erasing apparatus according to claim 1, wherein: the first driving mechanism is a motor, and the second driving mechanism is an air cylinder.

3. An automatic blackboard erasing apparatus according to claim 1, wherein: the top of base is provided with the support frame, rotatable coupling has the winding roller on the support frame, the winding roller is suitable for being driven in order to rotate around self axis by third actuating mechanism, the winding roller with the guide rail is parallel and is located guide rail the place ahead, it has dustproof curtain to wind on the winding roller, dustproof curtain is suitable for sheltering from when expanding the blackboard.

4. An automatic blackboard erasing apparatus according to claim 3, wherein: one side of the dustproof curtain opposite to the winding roller is provided with a first bar magnet, the base is provided with a second bar magnet, and the first bar magnet is suitable for being magnetically attracted with the second bar magnet.

5. An automatic blackboard erasing apparatus according to claim 4, wherein: a dust suction fan is arranged below the blackboard, an air outlet of the dust suction fan is communicated with a dust suction pipe, and the dust suction fan and the dust suction pipe are both positioned in the base; the base is also detachably connected with a dust collection box, and the dust collection box is suitable for being communicated with the dust collection pipe when being positioned in the base.

6. An automatic blackboard erasing apparatus according to claim 5, wherein: the dust collection box is provided with a handle.

7. An automatic blackboard erasing apparatus according to claim 6, wherein: the base is provided with an accommodating cavity, the dust collection box can be placed in or taken out of the accommodating cavity, the accommodating cavity is communicated with the dust collection pipe, and when the dust collection box is placed in the accommodating cavity, an inlet of the accommodating cavity is aligned with a communicating part of the dust collection pipe and the accommodating cavity.

8. An automatic blackboard erasing apparatus according to claim 7, wherein: the bottom of the dust collection box is provided with rollers.

9. An automatic blackboard erasing apparatus according to claim 5, wherein: the dust absorption fan is a plurality of, and a plurality of dust absorption fans are evenly arranged along the length direction of the guide rail.