CN210851818U

CN210851818U - Teaching aid for teaching

Info

Publication number: CN210851818U
Application number: CN201921101405.9U
Authority: CN
Inventors: 缪欣怡
Original assignee: Individual
Current assignee: Individual
Priority date: 2019-07-15
Filing date: 2019-07-15
Publication date: 2020-06-26
Anticipated expiration: 2029-07-15

Abstract

The utility model discloses a teaching aid for teaching, which comprises a box body and a blackboard eraser, wherein the top of the box body is provided with a fixed clamping groove matched with the blackboard eraser, the box body is provided with a dust collection box, the bottom of the dust collection box is connected with the bottom of the inner wall of the box body in a sliding way, a sieve plate is fixedly connected between the left side and the right side of the inner wall of the box body and above the dust collection box, the top of the right side of the sieve plate is fixedly connected with a baffle plate, the top of the baffle plate is fixedly connected with the top of the inner wall of the box body, a fixed block is fixedly connected between the right side of the inner wall of the box body and the baffle plate, the top of the fixed block is fixedly connected with a motor, one end of an output shaft of the motor is fixedly connected with a fixed shaft through a coupler, one end of, meanwhile, dust is collected, and teaching environment pollution caused by cleaning of the blackboard eraser is avoided.

Description

Teaching aid for teaching

Technical Field

The utility model relates to a teaching field use tools technical field specifically is a teaching aid for teaching.

Background

Teachers often need to write on a blackboard and draw pictures for explanation. In a class, it is often erased and written many times, which inevitably causes some chalk dust to be inhaled from the nostrils. The inhaled chalk dust is very harmful to the body. At the present stage, the blackboard eraser is cleaned mainly by beating or cleaning, so that the teaching environment is polluted and the cleaning is complicated.

SUMMERY OF THE UTILITY MODEL

Technical problem to be solved

Not enough to prior art, the utility model provides a teaching aid for teaching has solved the clear problem of current blackboard eraser.

(II) technical scheme

In order to achieve the above object, the utility model provides a following technical scheme: a teaching aid for teaching comprises a box body and a blackboard eraser, wherein the top of the box body is provided with a fixed clamping groove matched with the blackboard eraser, the box body is provided with a dust collection box, the bottom of the dust collection box is slidably connected with the bottom of the inner wall of the box body, a sieve plate is fixedly connected between the left side and the right side of the inner wall of the box body and positioned above the dust collection box, the top on the right side of the sieve plate is fixedly connected with a baffle plate, the top of the baffle plate is fixedly connected with the top of the inner wall of the box body, a fixed block is fixedly connected between the right side of the inner wall of the box body and the baffle plate, the top of the fixed block is fixedly connected with a motor, one end of an output shaft of the motor is fixedly connected with a fixed shaft through a coupler, one end of the, the top of sieve just is located the front side fixedly connected with U type support of first runner, from last to rotating in proper order down between the U type support left and right sides and being connected with a second runner, first runner surface is provided with the sponge brush.

Preferably, a circular hole clamping groove matched with the fixed shaft is formed in the partition plate. .

Preferably, the rear side of the fixed block is fixedly connected with the rear side of the inner wall of the box body, and the bottom of the fixed block is in contact with the top of the sieve plate.

Preferably, the sieve plate is made of wood plates, a plurality of round holes are formed in the sieve plate, and the rear side of the inner wall of the box body is fixedly connected with the rear side of the sieve plate.

Preferably, the surface of the second rotating wheel is rough and covered with wire mesh.

Preferably, the front of the dust collection box is fixedly connected with a first handle, the left side and the right side of the box body are hinged with a small door through hinges, and a second handle is arranged on the front of the small door and above the dust collection box.

(III) advantageous effects

The utility model provides a teaching aid for teaching. The method has the following beneficial effects:

the teaching aid for teaching is characterized in that the blackboard eraser is pressed on a blackboard clamping groove by hands with the front face facing downwards, a motor is started, an output shaft of the motor drives a first rotating wheel connected to a connecting rod to rotate through a fixed shaft, when a sponge brush on the first rotating wheel rotates to a position below the fixed clamping groove, the sponge brush is in contact with the blackboard eraser, meanwhile, the sponge brush does rotating motion and generates friction force with the blackboard eraser, dust on the blackboard eraser is cleaned through friction, the blackboard eraser is cleaned through rotation of a first rotating wheel, convenience and labor saving are achieved, the sponge brush on the first rotating wheel is in contact with a second rotating wheel, the sponge brush drives the second rotating wheel to rotate when rotating, a steel wire mesh on the second rotating wheel increases the friction force between the sponge brush and the second rotating wheel, the sponge brush is cleaned at the position, the cleaning efficiency of the blackboard eraser is improved, and the cleaned dust sinks in a dust collecting box through a round, the first in command is pulled when dust collecting box dust is full of, the dust collecting box is pulled out to clean, here also can be through pulling the second in command and open the wicket regularly and clean box body inside, the rotation that drives first runner and second runner through the motor produces frictional force and cleans the blackboard eraser teaching aid, this a teaching aid for teaching not only convenient laborsaving, improved work efficiency moreover, collected the dust simultaneously, avoided the teaching environmental pollution that clean blackboard eraser brought.

Drawings

FIG. 1 is a schematic view of the overall structure of the box body of the present invention;

FIG. 2 is a cross-sectional view of the box body of the present invention;

FIG. 3 is a top view of the box body of the present invention;

fig. 4 is a schematic view of the sponge brush structure of the present invention.

In the figure: 1. a box body; 2. a blackboard eraser; 3. fixing the clamping groove; 4. an electric motor; 5. a sieve plate; 6. a U-shaped bracket; 7. a dust collection box; 8. a first runner; 9. a second runner; 10. a circular hole clamping groove; 11. a partition plate; 12. a first handle; 13. a second handle; 14. a small door; 15. a sponge brush; 16. a fixed shaft; 17. a fixed block; 18. an output shaft; 19. a connecting rod; 20. a hinge; 21. a circular hole.

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. 1-4, the utility model provides a technical solution: a teaching aid for teaching comprises a box body 1 and a blackboard eraser 2, wherein the top of the box body 1 is provided with a fixed clamping groove 3 matched with the blackboard eraser 2, the box body 1 is provided with a dust collection box 7, the bottom of the dust collection box 7 is in sliding connection with the bottom of the inner wall of the box body 1, a sieve plate 5 is fixedly connected between the left side and the right side of the inner wall of the box body 1 and above the dust collection box 7, the top of the right side of the sieve plate 5 is fixedly connected with a baffle plate 11, the top of the inner wall of the box body 1 is fixedly connected with a fixed block 17 between the right side of the inner wall of the box body 1 and the baffle plate 11, the top of the fixed block 17 is fixedly connected with a motor 4, one end of an output shaft 18 of the motor 4 is fixedly connected with a fixed shaft 16 through a coupler, one end of the fixed shaft 16 penetrates through the, the top of sieve just is located the front side fixedly connected with U type support 6 of first runner 8, from last to rotating in proper order down between the 6 left and right sides of U type support and being connected with 3

second runners

9, and 8 surfaces on first runner are provided with sponge brush 15, and round hole 21 is not seted up with the fixed position at 5 tops of sieve to U type support 6.

The clapboard 11 is provided with a round hole clamping groove 10 matched with the fixed shaft 16.

The rear side of the fixing block 17 is fixedly connected with the rear side of the inner wall of the box body 1, and the bottom of the fixing block 17 is in contact with the top of the sieve plate 5.

The sieve 5 is made by the plank, has seted up a plurality of round hole on the sieve 5, the rear side and the sieve 5 rear side fixed connection of box body 1 inner wall.

The surface of the second rotating wheel 9 is rough treated and covered with wire netting.

The front of the dust collection box 7 is fixedly connected with a first handle 12, the left side and the right side of the box body 1 are hinged with a small door 14 through hinges 20, and a second handle 13 is arranged on the front of the small door 14 and above the dust collection box 7.

In conclusion, the teaching aid for teaching is characterized in that the blackboard eraser 2 is pressed on the blackboard clamping groove 3 by hand with the front face facing downwards, the motor 4 is started, the output shaft 18 of the motor drives the first rotating wheel connected to the connecting rod 19 to rotate through the fixed shaft 16, when the sponge brush 15 on the first rotating wheel 8 rotates to a position below the fixed clamping groove 3, the sponge brush 15 is in contact with the blackboard eraser 2, the sponge brush 15 rotates to generate friction force with the blackboard eraser 2, the blackboard eraser 2 is cleaned through friction, the blackboard eraser is cleaned through rotation of the first rotating wheel 8, convenience and labor saving are achieved, as the sponge brush 15 on the first rotating wheel 8 is in contact with the second rotating wheel 9, the second rotating wheel 9 is driven to rotate when the sponge brush 15 rotates, the steel wire mesh on the second rotating wheel 9 increases the friction force between the sponge brush 15 and the second rotating wheel 9, the sponge brush 15 is cleaned, and the sponge brush 15 is cleaned, the cleaning efficiency of the blackboard eraser 2 is improved, the cleaned dust sinks in the dust collection box 7 through the round hole 21 on the sieve plate 5, the first handle 12 is pulled when the dust collection box 7 is full of dust, the dust collection box 7 is pulled out for cleaning, the small door 14 can be opened through pulling the second handle 13 to clean the interior of the box body regularly, and the first rotating wheel 8 and the second rotating wheel 9 are driven by the motor 4 to rotate to generate friction force to clean the blackboard eraser.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising an … …" does not exclude the presence of other identical elements in a process, method, article, or apparatus that comprises the element.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a teaching aid for teaching, includes box body and blackboard eraser, its characterized in that: the blackboard eraser comprises a box body, a blackboard eraser and a blackboard eraser, wherein a fixed clamping groove matched with the blackboard eraser is formed in the top of the box body, a dust collection box is arranged on the box body, the bottom of the dust collection box is connected with the bottom of the inner wall of the box body in a sliding mode, a sieve plate is fixedly connected between the left side and the right side of the inner wall of the box body and positioned above the dust collection box, a partition plate is fixedly connected to the top of the right side of the sieve plate, the top of the partition plate is fixedly connected with the top of the inner wall of the box body, a fixed block is fixedly connected between the right side of the inner wall of the box body and the partition plate, a motor is fixedly connected to the top of the fixed block, one end of an output shaft of the motor is fixedly connected with a fixed shaft through a coupler, one end of the fixed shaft, 3 second runners are connected to the left side and the right side of the U-shaped support in a sequentially rotating mode from top to bottom, and a sponge brush is arranged on the surface of the first runner.

2. A teaching aid for teaching as claimed in claim 1, wherein: and the partition plate is provided with a round hole clamping groove matched with the fixed shaft.

3. A teaching aid for teaching as claimed in claim 1, wherein: the rear side of the fixed block is fixedly connected with the rear side of the inner wall of the box body, and the bottom of the fixed block is in contact with the top of the sieve plate.

4. A teaching aid for teaching as claimed in claim 1, wherein: the sieve is made by the plank, seted up a plurality of round hole on the sieve, the rear side and the sieve rear side fixed connection of box body inner wall.

5. A teaching aid for teaching as claimed in claim 1, wherein: the surface of the second rotating wheel is subjected to rough treatment and is sleeved with a wire mesh.

6. A teaching aid for teaching as claimed in claim 1, wherein: the front of the dust collection box is fixedly connected with a first handle, the left side and the right side of the box body are hinged with a small door through hinges, and a second handle is arranged on the front of the small door and above the dust collection box.