CN215153430U

CN215153430U - Portable mathematical education dust removal blackboard

Info

Publication number: CN215153430U
Application number: CN202121117539.7U
Authority: CN
Inventors: 齐恩凤; 陈宇秋
Original assignee: Guangxi Normal University
Current assignee: Guangxi Normal University
Priority date: 2021-05-24
Filing date: 2021-05-24
Publication date: 2021-12-14
Anticipated expiration: 2031-05-24

Abstract

The utility model relates to a mathematics teaching tool technical field just discloses a portable mathematics teaching dust removal blackboard, the camera includes a supporting plate, the equal fixedly connected with supporting leg in four corners of backup pad lower surface, the last fixed surface of backup pad is connected with the support column, the top fixedly connected with teaching board of support column, the left side and the equal fixedly connected with hang plate in right side of teaching board lower surface. This portable mathematical education dust removal blackboard, it goes up and down to clean the teaching notes on the teaching board to drive the scrubbing brush through electric putter, can alleviate teacher's intensity of labour, can practice thrift more time and carry out the lecture, thereby teacher's teaching efficiency has been improved, the teacher of being convenient for uses, through air exhauster and the circular pipe that sets up, the chalk dust that produces when making the scrubbing brush clean can be inhaled by the air exhauster, make the suction volume of teacher and student's dust that can significantly reduce, teacher's teaching environment can be improved.

Description

Portable mathematical education dust removal blackboard

Technical Field

The utility model relates to a mathematical education instrument technical field specifically is a portable mathematical education dust removal blackboard.

Background

Mathematics teaching in-process blackboard is the appurtenance that must use, traditional blackboard is written after full, teacher's reuse blackboard eraser will write the note and clean, can increase teacher's intensity of labour, and waste a large amount of time, make teaching inefficiency, in addition, at the in-process of cleaning, can produce a large amount of dusts simultaneously in the air, pollute the teaching environment, along with teacher and student's breathing gets into the human body in, be unfavorable for teaching in-process teachers and students' health.

For example, a mobile dust-removing blackboard for mathematical education provided in chinese patent publication No. CN206327056U is basically described as follows: including base, bracing piece and clipboard, the base bottom is equipped with the walking wheel, the bracing piece is fixed at base top surface central authorities, the clipboard is located the bracing piece top, this utility model discloses a writing note on the clipboard can be cleaned to the dust removal stick that sets up, through the dust removal nail and the dust removal chamber that set up, can strike off the chalk dust of dust removal stick surface, but the device's practicality is still relatively poor, and the dust removal stick that the device set up cleans earlier and removes dust again, can not go on simultaneously for a large amount of chalk dust are still wafted aloft, thereby has reduced the device's practicality.

SUMMERY OF THE UTILITY MODEL

Technical problem to be solved

Not enough to prior art, the utility model provides a portable mathematical education dust removal blackboard has solved the problem of proposition among the above-mentioned background art.

(II) technical scheme

In order to achieve the above object, the utility model provides a following technical scheme: a movable dust removal blackboard for mathematical teaching comprises a support plate, wherein support legs are fixedly connected to the four corners of the lower surface of the support plate, a support column is fixedly connected to the upper surface of the support plate, a teaching plate is fixedly connected to the top end of the support column, inclined plates are fixedly connected to the left side and the right side of the lower surface of the teaching plate, an electric push rod is fixedly connected to the rear side of the upper surface of the support plate, a stabilizing slide rail is fixedly connected to the left side and the right side of the back of the teaching plate, a stabilizing slide block is sleeved on the outer surface of the stabilizing slide rail, a lifting plate is fixedly connected to the back of the stabilizing slide block, the lower surface of the lifting plate is fixedly connected to the top end of the electric push rod, an air extractor is fixedly connected to the upper surface of the lifting plate, an air extraction pipe is inserted into the output end of the air extractor, and connecting blocks are fixedly connected to the left side and the right side of the front of the lifting plate, the front fixedly connected with lift slider of connecting block, the lift spout has all been seted up to the left surface and the right flank of teaching board, lift slider and lift spout sliding connection, the medial surface fixedly connected with connecting plate of lift slider, the equal fixedly connected with of front side of connecting plate upper surface and lower surface unites the board, the back fixedly connected with scrubbing brush of connecting plate, the back fixedly connected with of uniting the board unites the pipe, the rear side grafting of uniting the outside of tubes surface has the circular duct.

Preferably, the inclination angle of the inclined plate is forty degrees, and the width of the inclined plate is four fifths of the diameter of the support column.

Preferably, the upper surface and the lower surface of the stabilizing slide rail are fixedly connected with rectangular limiting blocks, and the thickness of the rectangular limiting blocks is the same as that of the stabilizing slide rail.

Preferably, four sides of the outer surface of the support plate are rounded, and the radius of the four rounded corners of the outer surface of the support plate is seventeen millimeters.

Preferably, the supporting leg is internally provided with a weighting block, and the shape of the weighting block is matched with that of the supporting leg.

Preferably, the lifting slide block and the lifting slide groove are the same in width, and the width of the lifting slide block is two thirds of the width of the connecting plate.

(III) advantageous effects

Compared with the prior art, the utility model provides a portable mathematical education dust removal blackboard possesses following beneficial effect:

1. this portable mathematical education dust removal blackboard, it goes up and down to clean the teaching notes on the teaching board to drive the scrubbing brush through electric putter, can alleviate teacher's intensity of labour, can practice thrift more time and carry out the lecture, thereby teacher's teaching efficiency has been improved, the teacher of being convenient for uses, through air exhauster and the circular pipe that sets up, the chalk dust that produces when making the scrubbing brush clean can be inhaled by the air exhauster, make the suction volume of teacher and student's dust that can significantly reduce, teacher's teaching environment can be improved.

2. This portable mathematics teaching dust removal blackboard through lifting slide and lift spout sliding connection, makes the connecting plate can the vertical migration, the condition of skew when the connecting plate can not appear removing to improved the stability of the device operation, through the hang plate that sets up, can improve the support effect of teaching board, make the support of teaching board more stable, the teacher can not appear and write the note time, the great condition of teaching board range of rocking, thereby the practicality of the device has been improved.

Drawings

FIG. 1 is a schematic structural view of the present invention;

FIG. 2 is a schematic view of the sectional structure of the lifter plate of the present invention;

fig. 3 is a schematic view of the sectional structure of the teaching board of the present invention.

In the figure: 1. a support plate; 2. supporting legs; 3. a support pillar; 4. a teaching board; 5. an inclined plate; 6. an electric push rod; 7. stabilizing the slide rail; 8. stabilizing the slide block; 9. a lifting plate; 10. an exhaust fan; 11. an exhaust pipe; 12. connecting blocks; 13. a lifting slide block; 14. a lifting chute; 15. a connecting plate; 16. a combination board; 17. scrubbing and brushing; 18. a union pipe; 19. a circular tube.

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.

Referring to fig. 1-3, the present invention provides a technical solution: a movable dust-removing blackboard for mathematical education comprises a support plate 1, wherein four corners of the lower surface of the support plate 1 are fixedly connected with support legs 2, the upper surface of the support plate 1 is fixedly connected with support columns 3, the top ends of the support columns 3 are fixedly connected with a teaching plate 4, the left side and the right side of the lower surface of the teaching plate 4 are fixedly connected with inclined plates 5, the supporting effect of the teaching plate 4 can be improved through the arranged inclined plates 5, the support of the teaching plate 4 is more stable, the situation that the shaking amplitude of the teaching plate 4 is larger when a teacher writes notes can not occur, so that the practicability of the device is improved, the rear side of the upper surface of the support plate 1 is fixedly connected with an electric push rod 6, the left side and the right side of the back of the teaching plate 4 are fixedly connected with stabilizing slide rails 7, the outer surface of each stabilizing slide rail 7 is sleeved with a stabilizing slide block 8, and the back of each stabilizing slide block 8 is fixedly connected with a lifting plate 9, the lower surface of a lifting plate 9 is fixedly connected with the top end of an electric push rod 6, the upper surface of the lifting plate 9 is fixedly connected with an exhaust fan 10, the model of the exhaust fan 10 is HI-160, an exhaust pipe 11 is inserted at the output end of the exhaust fan 10, the left side and the right side of the front surface of the lifting plate 9 are both fixedly connected with a connecting block 12, the front surface of the connecting block 12 is fixedly connected with a lifting slider 13, the left side and the right side of a teaching plate 4 are both provided with a lifting chute 14, the lifting slider 13 is in sliding connection with the lifting chute 14, the connecting plate 15 can vertically move through the sliding connection of the lifting slider 13 and the lifting chute 14, the deviation of the connecting plate 15 during movement can not occur, thereby the operation stability of the device is improved, the inner side surface of the lifting slider 13 is fixedly connected with a connecting plate 15, the upper surface of the connecting plate 15 and the front side of the lower surface are both fixedly connected with a combination plate 16, and the back surface of the connecting plate brush 17 is fixedly connected with the connecting plate 15, drive scrubbing brush 17 through electric putter 6 and go up and down to clean the teaching notes on the teaching board 4, can alleviate teacher's intensity of labour, can practice thrift more time and carry out the lecture, thereby teacher's teaching efficiency has been improved, the teacher of being convenient for uses, the back fixedly connected with of combination board 16 unites pipe 18, the rear side plug-in connection of uniting 18 surfaces of pipe has circular duct 19, air exhauster 10 and circular duct 19 through the setting, the chalk dust that produces when making scrubbing brush 17 clean can be inhaled by air exhauster 10, make the suction volume of the dust that teacher and student can significantly reduce, teacher's teaching environment can be improved.

In the utility model discloses in order to improve the device's practicality, consequently the inclination that sets up hang plate 5 is forty degrees, and the width of hang plate 5 is four fifths of support column 3 diameters, guarantees the fixed stability of teaching board 4 when using.

The utility model discloses in order to improve the device stability of operation, consequently at the equal fixedly connected with rectangle stopper of the upper surface and the lower surface of stabilizing slide rail 7, the thickness of rectangle stopper is the same with the thickness of stabilizing slide rail 7, avoids the condition emergence of stabilizing slide rail 7 of 8 roll-offs of stabilizing slide block when using.

The utility model discloses in order to improve the device's security, consequently make the four sides of 1 surface of backup pad all do the radius angle and handle, the radius of 1 surface four sides radius angle of backup pad is seventeen millimeters, avoids the teacher to collide with the condition emergence of 1 surface edges and corners of backup pad when using.

The utility model discloses in order to improve the stability of the device bottom, consequently be provided with in the inside of supporting leg 2 and add heavy piece, add the shape of putting heavy piece and the shape looks adaptation of supporting leg 2, reduce the range that produces when the device moves and rock when using.

The utility model discloses in order to improve the device stability of operation, consequently it is the same with the width of lift spout 14 to set up lifting slide 13, and lifting slide 13's width is the two-thirds of connecting plate 15 width, guarantees connecting plate 15 vertical lift when using.

The electrical components presented in the document are all electrically connected with an external master controller and 220V mains, and the master controller can be a conventional known device controlled by a computer or the like.

When using, when the teacher writes teaching board 4 full needs clearance, start air exhauster 10, air exhauster 10's input carries out convulsions through exhaust column 11 to the inside of union coupling 18, union coupling 18 carries out convulsions through circular tube 19 to teaching board 4's front, settle the ash storage box on the output of air exhauster 10, start electric putter 6, electric putter 6 drives lifter 9 rebound, lifter 9 drives connecting block 12 rebound, connecting block 12 drives lifter 13 rebound, lifter 13 drives connecting plate 15 rebound, connecting plate 15 drives scrubbing brush 17 rebound and cleans teaching board 4 positive teaching notes, the chalk dust that produces when teaching notes are cleaned is inhaled by circular tube 19, get into the ash storage box that the 10 output set up at last, clear up after the ash storage box is full.

To sum up, this portable mathematics teaching dust removal blackboard, it cleans to drive the teaching notes on the teaching board 4 that scrubbing brush 17 goes up and down through electric putter 6, can alleviate teacher's intensity of labour, can practice thrift more time and carry out the lecture, thereby teacher's teaching efficiency has been improved, the teacher of being convenient for uses, through air exhauster 10 and the circular tube 19 that sets up, the chalk dust that produces when making scrubbing brush 17 clean can be inhaled by air exhauster 10, make the suction volume of the dust that teacher and student can significantly reduce, can improve teacher's teaching environment.

This portable mathematics teaching dust removal blackboard, through

lift slider

13 and 14 sliding connection of lift spout, make connecting plate 15 can the vertical migration, the condition of skew when connecting plate 15 can not appear removing, thereby the stability of the device operation has been improved, through the hang plate 5 that sets up, can improve the supporting effect of teaching board 4, make the support of teaching board 4 more stable, the teacher can not appear when writing notes, the great condition of teaching board 4 range of rocking, thereby the practicality of the device has been improved.

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 portable mathematical education dust removal blackboard, includes backup pad (1), its characterized in that: the four corners of the lower surface of the supporting plate (1) are fixedly connected with supporting legs (2), the upper surface of the supporting plate (1) is fixedly connected with supporting columns (3), the top ends of the supporting columns (3) are fixedly connected with a teaching plate (4), the left side and the right side of the lower surface of the teaching plate (4) are fixedly connected with inclined plates (5), the rear side of the upper surface of the supporting plate (1) is fixedly connected with an electric push rod (6), the left side and the right side of the back of the teaching plate (4) are fixedly connected with stabilizing slide rails (7), the outer surfaces of the stabilizing slide rails (7) are sleeved with stabilizing slide blocks (8), the back of the stabilizing slide blocks (8) is fixedly connected with a lifting plate (9), the lower surface of the lifting plate (9) is fixedly connected with the top ends of the electric push rods (6), and the upper surface of the lifting plate (9) is fixedly connected with an exhaust fan (10), the utility model discloses a teaching board, including exhaust fan (10), lifter plate (9), the equal fixedly connected with connecting block (12) in the positive left side and the right side of lifter plate (10), the positive fixedly connected with lifting slide (13) of connecting block (12), lifting slide (14) have all been seted up to the left surface and the right flank of teaching board (4), lifting slide (13) and lifting slide (14) sliding connection, the medial surface fixedly connected with connecting plate (15) of lifting slide (13), the equal fixedly connected with of front side of connecting plate (15) upper surface and lower surface unites board (16), the back fixedly connected with scrubbing brush (17) of connecting plate (15), the back fixedly connected with of uniting board (16) unites pipe (18), the rear side plug-in of uniting pipe (18) surface has round pipe (19).

2. The mobile dust-removing blackboard for mathematics teaching according to claim 1, characterized in that: the inclination angle of hang plate (5) is forty degrees, and the width of hang plate (5) is four fifths of support column (3) diameter.

3. The mobile dust-removing blackboard for mathematics teaching according to claim 1, characterized in that: the upper surface and the lower surface of the stabilizing slide rail (7) are fixedly connected with rectangular limiting blocks, and the thickness of each rectangular limiting block is the same as that of the stabilizing slide rail (7).

4. The mobile dust-removing blackboard for mathematics teaching according to claim 1, characterized in that: four sides of the outer surface of the supporting plate (1) are all subjected to rounding treatment, and the radius of the four sides of the outer surface of the supporting plate (1) is seventeen millimeters.

5. The mobile dust-removing blackboard for mathematics teaching according to claim 1, characterized in that: the inside of supporting leg (2) is provided with adds heavy piece of joining in marriage, adds the shape of joining in marriage the piece and the shape looks adaptation of supporting leg (2).

6. The mobile dust-removing blackboard for mathematics teaching according to claim 1, characterized in that: the width of the lifting slide block (13) is the same as that of the lifting slide groove (14), and the width of the lifting slide block (13) is two thirds of that of the connecting plate (15).