CN210941071U

CN210941071U - Blackboard with automatic cleaning function

Info

Publication number: CN210941071U
Application number: CN201921719049.7U
Authority: CN
Inventors: 王敬敏
Original assignee: Anhui Shenyun Photoelectric Technology Co ltd
Current assignee: Anhui Shenyun Photoelectric Technology Co ltd
Priority date: 2019-10-14
Filing date: 2019-10-14
Publication date: 2020-07-07
Anticipated expiration: 2029-10-14

Abstract

The utility model provides a blackboard with automatic cleaning function, relating to the technical field of blackboard for education, comprising a blackboard body, wherein two sides of the blackboard body are provided with brackets, the top end of each bracket is provided with a first motor which is connected with a threaded shaft, and a slide block is spirally connected on the first motor; the left and right slide blocks are used for indirectly erasing the blackboard; the bottom end of the blackboard body is provided with a collecting box, the inner side of the top end of the blackboard body is communicated with a dust collecting hopper, the bottom end of the blackboard body is communicated with an air box, and a fan is arranged in the air box; the bottom end of the collecting box is provided with a filter screen; the fixed block and the second motor are fixed at the bottom of the collecting box, the second motor is connected with the gear and meshed with the rack, the rack is slidably arranged at the bottom of the collecting box and penetrates through the fixed block, and the right end of the rack is connected with the brush; the bottom of the right end of the collecting box is hinged with a box door. The utility model can automatically clean the blackboard, saves time and labor when cleaning the blackboard, is convenient to disassemble, is convenient to clean the blackboard eraser, and has better cleaning effect; the fan collects the chalk powder into the collection box through the dust collecting hopper, the condition that the dust flies in the cleaning process is avoided, and the dust collecting box is beneficial to the health of teachers and students.

Description

Blackboard with automatic cleaning function

Technical Field

The utility model relates to a blackboard technical field for the education specifically is a blackboard with automatic clearance function.

Background

An important instrument is the blackboard in the education, write on the blackboard at the in-process of teaching, write and need clean the blackboard after accomplishing, most all are at present the manual work and clean the blackboard, but the blackboard area is great, it wastes time and energy to clean the process comparison, the automatic clearance blackboard device of subtotal still, but its blackboard eraser can not dismantle, the blackboard eraser cleans unclean after long-time work, and it flies upward to cause the chalk end easily to wipe the in-process moreover, harm mr and student's healthy.

SUMMERY OF THE UTILITY MODEL

The utility model provides a blackboard with automatic clearance function has solved the powder that blackboard clearance exists among the prior art when the clearance flies upward and cleans unclean problem.

The technical scheme of the utility model is realized like this:

a blackboard body with an automatic cleaning function comprises a blackboard body, wherein supports are respectively arranged on the left side and the right side of the blackboard body;

the top end of the bracket is fixedly connected with a first motor, a main shaft of the first motor is fixedly connected with a threaded shaft which vertically extends downwards, and the outer side of the threaded shaft is spirally connected with a sliding block; the bracket is provided with a sliding opening extending in the vertical direction, the sliding block penetrates through the sliding opening, and the sliding block is connected with the bracket in a sliding manner; a blackboard eraser is connected between the sliders on the left side and the right side, and the blackboard eraser is attached to the blackboard body;

the bottom end face of the blackboard body is fixedly connected with a collecting box, the collecting box is fixedly connected with a support, the inner side of the top end of the collecting box is communicated with a dust collecting hopper, the top end of the dust collecting hopper is supported below the blackboard body, the bottom end of the dust collecting hopper is communicated with an air box, a supporting plate is fixedly connected in the air box, and a fan is fixedly connected to the supporting plate; the bottom end of the collecting box is provided with a filter screen, and the filter screen is positioned right below the air box;

the bottom of the collecting box is fixedly connected with a fixed block, and the fixed block is positioned on the left side of the filter screen; a second motor is fixedly connected in the collecting box, a main shaft of the second motor is fixedly connected with a gear, the gear is meshed with a rack, the rack is slidably arranged at the bottom of the collecting box and penetrates through the fixing block, the rack is slidably connected with the fixing block, and a brush is fixedly connected to the right end of the rack;

the bottom of the right end of the collecting box is hinged with a box door.

Further, the sliding block is fixedly connected with the blackboard eraser through a bolt and a nut.

Furthermore, the right end of the collecting box is provided with a collecting part which is sunken downwards, and the box door is positioned on the side of the collecting part.

Furthermore, the left side of the collecting part is an inclined connecting surface, and the top of the connecting surface is connected with the right end of the filter screen.

Further, the length of the threaded shaft is 1.2 times the height of the blackboard body.

The utility model has the advantages that:

the utility model has simple structure and convenient use; the first motor drives the threaded shaft to rotate, the threaded shaft drives the sliding block to move, the sliding block drives the blackboard eraser to automatically clean the blackboard, the time and labor are saved for cleaning the blackboard, the sliding block and the blackboard eraser are connected through a bolt, the disassembly is convenient, the blackboard eraser can be conveniently cleaned, and the cleaning effect is better; the fan collects chalk powder generated in the wiping process into the collecting box through the dust collecting hopper, the situation that the dust flies in the wiping process is avoided, and the body health of teachers and students is facilitated.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.

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

FIG. 2 is a schematic diagram of the embodiment of FIG. 1 at configuration A;

fig. 3 is a schematic structural diagram at B of the embodiment in fig. 1.

Wherein:

1. a blackboard; 2. a support; 3. a first motor; 4. a threaded shaft; 5. a slider; 6. a blackboard eraser; 7. a bolt; 8. a nut; 9. a collection box; 10. a dust collecting hopper; 11. an air box; 12. a support plate; 13. a fan; 14. a filter screen; 15. a second motor; 16. a gear; 17. a rack; 18. a brush; 19. a box door; 20. and (5) fixing blocks.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

As shown in fig. 1-3, the blackboard body with an automatic cleaning function in this embodiment includes a blackboard body 1, wherein the left and right sides of the blackboard body are respectively provided with a support 2, the top end of the support 2 is fixedly connected with a first motor 3, the main shaft of the first motor 3 is fixedly connected with a threaded shaft 4 extending vertically and downwardly, and the outer side of the threaded shaft 4 is spirally connected with a slider 5, which is favorable for realizing automatic cleaning of the blackboard body 1; the bracket is provided with a sliding opening extending in the vertical direction, the sliding block 5 penetrates through the sliding opening, and the sliding block 5 is connected with the bracket 2 in a sliding manner; the blackboard eraser 6 is connected between the sliders on the left side and the right side, and the blackboard eraser 6 is attached to the blackboard body 1.

The bottom end face of the blackboard body 1 is fixedly connected with a collecting box 9, the collecting box 9 is fixedly connected with a support 2, the inner side of the top end of the collecting box 9 is communicated with a dust collecting hopper 10, the top end of the dust collecting hopper 10 is supported below the blackboard body 1, the bottom end of the dust collecting hopper 10 is communicated with an air box 11, a supporting plate 12 is fixedly connected in the air box 11, and a fan 13 is fixedly connected to the supporting plate 12, so that the arrangement is favorable for absorbing chalk dust; the bottom end of the collection box 9 is provided with a filter screen 14, and the filter screen 14 is positioned under the bellows 11, so that ventilation of the fan 13 is facilitated, and normal work of the fan 13 is not influenced.

The bottom of the collecting box 9 is fixedly connected with a fixed block 20, the fixed block is positioned at the left side of the filter screen, and the arrangement is favorable for limiting the rack 17; the inside of the collecting box 9 is fixedly connected with a second motor 15, a main shaft of the second motor 15 is fixedly connected with a gear 16, the gear 16 is meshed with a rack 17, the rack 17 is slidably arranged at the bottom of the collecting box 9 and penetrates through a fixing block 20, the rack 17 is slidably connected with the fixing block 20, and a brush 18 is fixedly connected to the right end of the rack 17, so that the filter screen 14 can be cleaned conveniently, and the filter screen 14 is guaranteed not to be blocked. The bottom of the right end of the collecting box 9 is hinged with a box door 19.

In this embodiment, the sliding block 5 is fixedly connected with the blackboard eraser through a bolt 7 and a nut 8, which is beneficial to disassembling the blackboard eraser 6 and cleaning the blackboard eraser 6. The right end of the collecting box is provided with a collecting part which is sunken downwards, the box door is positioned on the side of the collecting part, the left side of the collecting part is an inclined connecting surface, and the top of the connecting surface is connected with the right end of the filter screen, so that dust can be conveniently collected into the collecting part. The length of the threaded shaft 4 is 1.2 times of the height of the blackboard body 1, so that the blackboard body 1 can be wiped by driving the blackboard eraser 6 to move, and the automatic cleaning of the blackboard body 1 is realized.

The model of the first motor 3 is Y80M1-2, the model of the second motor 15 is Y80M2-2, and the model of the fan 13 is GDF 1.4-8.

When the power supply works, the power supply is externally connected; when the blackboard body 1 needs to be cleaned, the first motor 3 drives the threaded shaft 4 to rotate, the threaded shaft 4 drives the sliding block 5 in threaded connection with the threaded shaft to slide up and down, and the sliding block 5 drives the blackboard eraser 6 to move to clean and wipe the blackboard body 1; since a large amount of chalk powder is attached to the frequently working surface of the blackboard eraser 6 to influence the working effect of the blackboard eraser 6, the blackboard eraser 6 needs to be frequently disassembled and cleaned, the nut 8 is rotated, the bolt 7 connected between the sliding block 5 and the blackboard eraser 6 is taken out, and the blackboard eraser 6 needs to be disassembled and cleaned; the blackboard eraser 6 can generate a large amount of chalk dust when cleaning and wiping the blackboard body 1, the fan 13 is started, and the fan 13 sucks the chalk dust generated when cleaning and wiping the blackboard body 1 by the blackboard eraser 6 through the dust collecting hopper 10 and then enters the collecting box 9; because the filter screen 14 filters and ventilates chalk dust frequently, the blocking phenomenon is easy to occur, the second motor 15 is started to drive the gear 16 to rotate, and the gear 16 drives the brush 18 to move left and right back and forth through the rack 17 to clean the filter screen 14; the box door 19 is opened periodically to clean the chalk powder in the collection box 9.

The above description is only a preferred embodiment of the present invention, and should not be taken as limiting the invention, and any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. A blackboard with an automatic cleaning function is characterized by comprising a blackboard body, wherein the left side and the right side of the blackboard body are respectively provided with a bracket;

the bottom of the right end of the collecting box is hinged with a box door.

2. The blackboard with automatic cleaning function according to claim 1, wherein the slider is fixedly connected with the blackboard eraser by a bolt and a nut.

3. The blackboard with automatic cleaning function according to claim 2, characterized in that the right end of the collection box has a collection portion recessed downward, and the door is located at the side of the collection portion.

4. The blackboard according to claim 3, wherein the left side of the collecting part is an inclined connecting surface, and the top of the connecting surface is connected with the right end of the filter screen.

5. The blackboard having an automatic cleaning function according to claim 4, wherein the length of the screw shaft is 1.2 times the height of the blackboard body.