CN211892642U - Electric dust removal blackboard for English teaching - Google Patents

Abstract

The utility model discloses an electronic dust removal blackboard is used in english teaching, including casing and face the inside horizontal end both sides of casing all are provided with the rotation post, and just two rotation posts all rotate through pivot and casing and be connected, the rotation capital portion of casing horizontal end one side is connected with the motor through the transmission shaft transmission, the exterior wall roll connection of rotation post has the face. The utility model discloses in, because the face is designed into crawler-type, the rotation through the cylinder drives the face motion, still install the dust removal brush through electromagnet drive in the inside of casing, just so can clear away the dust of chalk from the surface of blackboard inside the casing to still set up fan and dust storage box in the inside of casing, through the dust absorption effect of fan, with dust suction dust storage box, both reduced the injury that the dust caused the human body like this, made things convenient for the clearance to the dust again.

Description

Electric dust removal blackboard for English teaching

Technical Field

The utility model relates to a teaching equipment technical field especially relates to an english teaching is with electronic dust removal blackboard.

Background

The blackboard is not particularly a black board, is a plane which can be repeatedly written by chalk in the traditional sense, is hard, and is mainly used for teaching. The blackboard is generally made of wood board or ground glass, and can be written on by using specific writing materials such as chalk. Mostly black, greenish black, white or beige.

The blackboard is a teaching aid with high use frequency in teaching, but the existing blackboard still has many defects, firstly, the existing blackboard is mostly written by chalk, a large amount of dust is generated in the process of wiping the blackboard by a blackboard eraser, and great harm is generated to the health of teachers and students; secondly, the blackboard is usually flat and straight, so when the light is strong, the light can reflect, and the students cannot see the written contents clearly.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving the defects existing in the prior art and providing an electric dust removal blackboard for English teaching.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

an electric dust removal blackboard for English teaching comprises a shell and a board, wherein two rotating columns are arranged on two sides of a horizontal end inside the shell and are rotationally connected with the shell through rotating shafts, the top of the rotating column on one side of the horizontal end of the shell is connected with a motor through a transmission shaft, the outer wall of the rotating column is connected with the board in a rolling manner, arc-shaped chutes are arranged on the upper side and the lower side of a vertical end of the front surface of the shell, a fixed block is arranged between the two rotating columns, two fixed plates are arranged on the inner surface wall of the shell on one side close to the motor, an electromagnet is arranged between the two fixed plates, a plurality of springs are arranged on the electromagnet, one end of each spring is arranged on a magnetic slide block, a dust removal brush is arranged on one side close to the board of the magnetic slide block, a dust storage chamber is arranged at the bottom of, one side of the fan is communicated with a horn-shaped air inlet, the other side of the fan is communicated with a dust storage box, and a lifting mechanism is arranged on the rear surface of the shell.

As a further description of the above technical solution:

the lifting mechanism comprises a lifting motor, the lifting motor is connected with a gear through a transmission shaft in a transmission mode, the lifting motor is fixedly connected to the outer surface wall of the shell through a bolt, and the gear is meshed with a rack.

As a further description of the above technical solution:

the motor is fixedly connected to the inner surface wall of the shell through bolts, and the fan is fixedly connected to the inner surface wall of the shell through bolts.

As a further description of the above technical solution:

the arc spout is provided with the recess, one side that the face is close to the casing is slided and is inlayed in the recess of arc spout inside.

As a further description of the above technical solution:

the vertical end both sides of fixed block all set up on the surface wall in the casing, and be close to one side and the face sliding connection of casing front surface.

As a further description of the above technical solution:

the spring is provided with a plurality of, and a plurality of springs are equidistant range.

As a further description of the above technical solution:

the outer surface wall of the dust removing brush is not attached to the outer surface wall of the board surface, and one ends, far away from the shell, of the two fixing plates are not attached to the board surface.

As a further description of the above technical solution:

the dust storage box is slidably embedded in the dust storage chamber.

To sum up, owing to adopted above-mentioned technical scheme, the beneficial effects of the utility model are that:

1. the utility model discloses in, because the face is designed into crawler-type, the rotation through the cylinder drives the face motion, still install the dust removal brush through electromagnet drive in the inside of casing, just so can clear away the dust of chalk from the surface of blackboard inside the casing to still set up fan and dust storage box in the inside of casing, through the dust absorption effect of fan, with dust suction dust storage box, both reduced the injury that the dust caused the human body like this, made things convenient for the clearance to the dust again.

2. The utility model discloses in, it is spacing to the face through installing the arc spout on the casing for the front of face is the arc, helps reducing the reflection of light.

3. The utility model discloses in, the back mounted of casing has elevating system, and the inside elevator motor of elevating system passes through the transmission shaft and drives the gear and move on the rack, and then reaches the purpose that reciprocates, has made things convenient for reciprocating of blackboard, lets write and becomes more convenient.

Drawings

FIG. 1 is a schematic view of the internal structure of the middle housing of the present invention;

FIG. 2 is a front view of the middle housing of the present invention;

fig. 3 is a schematic diagram of the external structure of the middle housing of the present invention.

Illustration of the drawings:

1. a housing; 2. an arc-shaped chute; 3. plate surface; 4. rotating the column; 5. a fixed block; 6. a fixing plate; 7. a motor; 8. an electromagnet; 9. a spring; 10. a magnetic slider; 11. a dust removal brush; 12. a horn-shaped air inlet; 13. a fan; 14. a dust storage box; 15. a dust storage chamber; 16. a lifting mechanism; 1601. a gear; 1602. a rack; 1603. a lifting motor.

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 of the present invention, all other embodiments obtained by a person of ordinary skill in the art without creative efforts belong to the protection scope of the present invention.

Referring to fig. 1-3, an electric dust-removing blackboard for english teaching comprises a casing 1 and a board 3, wherein two rotating columns 4 are arranged on two sides of a horizontal end inside the casing 1, and the two rotating columns 4 are rotatably connected with the casing 1 through rotating shafts, the top of the rotating column 4 on one side of the horizontal end of the casing 1 is connected with a motor 7 through a transmission shaft, the outer surface wall of the rotating column 4 is connected with the board 3 in a rolling manner, arc chutes 2 are arranged on the upper and lower sides of a vertical end of the front surface of the casing 1, a fixing block 5 is arranged between the two rotating columns 4, two fixing plates 6 are arranged on the inner surface wall of the casing 1 on one side close to the motor 7, an electromagnet 8 is arranged between the two fixing plates 6, a plurality of springs 9 are arranged on the electromagnet 8, one end of each spring 9 is arranged on a magnetic slider 10, a dust-removing brush 11 is arranged on one side, the bottom of casing 1 is provided with fan 13, and one side of fan 13 communicates has tubaeform air intake 12, and the opposite side communicates has dust storage box 14, is provided with elevating system 16 on the rear surface of casing 1.

Further, elevating system 16 includes elevator motor 1603, and elevator motor 1603 is connected with gear 1601 through the transmission shaft transmission, and elevator motor 1603 passes through bolt fixed connection on the shell 1 outer table wall, and gear 1601 meshes there is rack 1602, drives gear 1601 through elevator motor 1603 and moves on rack 1602 for the blackboard can conveniently reciprocate, lets the area that the teacher wrote on the blackboard bigger and write more conveniently.

Further, motor 7 passes through bolt fixed connection on the surface wall in casing 1, and fan 13 has improved the stability of motor 7 on casing 1 through bolt fastening on the surface wall in casing 1 through bolt fixed connection.

Further, arc spout 2 is provided with the recess, and one side that face 3 is close to casing 1 is slided and is inlayed in arc spout 2's recess inside, and is spacing to make the face be the arc through the recess, reduces the reflection of light.

Further, the vertical end both sides of fixed block 5 all set up on the table wall in casing 1, and be close to one side and the 3 sliding connection of face of 1 front surface of casing, it is spacing through fixed block 5, let teacher's writing more stable.

Further, spring 9 is provided with a plurality ofly, and a plurality of spring 9 equidistant range, and a plurality of spring 9 have improved the stability between electro-magnet 8 and the magnetic slide 10 to the effect of dust removal has been promoted.

Further, the exterior wall of dust removal brush 11 does not laminate with the exterior wall of face 3, and the one end that casing 1 was kept away from to two fixed plates 6 does not laminate with face 3 for under the inoperative condition, reduce the friction, prolong the life of teaching aid.

Further, the dust storage box 14 is slidably inserted into the dust storage chamber 15, so that the dust storage box 14 can be conveniently taken out for cleaning.

The working principle is as follows: during the use, lead to the commercial power for motor 7, motor 7 drives through the pivot and rotates 4 rotations of post, it rotates to drive face 3, electro-magnet 8 leads to the commercial power equally, then electro-magnet 8 can produce the repulsion force to magnetic slide 10, magnetic slide 10 takes dust removal brush 11 to move together, let dust removal brush 11 and face 3 laminating, face 3 is moving this moment, the brush head through dust removal brush 11 can clear away the chalk writing on face 3 surface, fan 13 leads to with the commercial power equally, fan 13 produces the suction and inhales dust storage box 14 with the dust that falls, the processing to the dust is whole to be gone on in the inside of casing 1 like this, the harm that the dust produced to teacher and student health has been reduced, the clearance of dust has also been made things convenient for. The utility model provides a commercial power for elevator motor 1603 leads to, drives gear 1601 through the transmission shaft, lets gear 1601 mesh motion on rack 1602, can conveniently reciprocate the blackboard through elevating system, lets the teacher write more conveniently.

The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.

Claims (8)

1. An electric dust removal blackboard for English teaching comprises a shell (1) and a board (3), and is characterized in that two rotating columns (4) are arranged on two sides of the horizontal end inside the shell (1), the two rotating columns (4) are rotationally connected with the shell (1) through rotating shafts, a motor (7) is connected to the top of each rotating column (4) on one side of the horizontal end of the shell (1) through transmission of a transmission shaft, the board (3) is connected to the outer surface wall of each rotating column (4) in a rolling manner, arc-shaped sliding grooves (2) are formed in the upper side and the lower side of the vertical end of the front surface of the shell (1), a fixing block (5) is arranged between the two rotating columns (4), two fixing plates (6) are arranged on the inner surface wall of the shell (1) close to one side of the motor (7), an electromagnet (8) is arranged between the two fixing plates (6), and a plurality of springs (9) are arranged at one end, and the one end of every spring (9) all sets up on magnetism slider (10), one side that magnetism slider (10) are close to face (3) is provided with dust removal brush (11), the bottom of casing (1) is provided with dust storage chamber (15), the bottom of casing (1) is provided with fan (13), one side intercommunication of fan (13) has loudspeaker form air intake (12), and the opposite side intercommunication has dust storage box (14), be provided with elevating system (16) on the rear surface of casing (1).

2. The electric dust-removing blackboard for English teaching according to claim 1, wherein the lifting mechanism (16) comprises a lifting motor (1603), the lifting motor (1603) is connected with a gear (1601) through a transmission shaft in a transmission manner, the lifting motor (1603) is fixedly connected to the outer surface wall of the shell (1) through a bolt, and the gear (1601) is engaged with a rack (1602).

3. The electric dust removal blackboard for English teaching according to claim 1, wherein the motor (7) is fixedly connected to the inner surface wall of the housing (1) through bolts, and the fan (13) is fixedly connected to the inner surface wall of the housing (1) through bolts.

4. The electric dust removal blackboard for English teaching according to claim 1, wherein the arc-shaped chute (2) is provided with a groove, and one side of the board surface (3) close to the housing (1) is slidably embedded in the groove of the arc-shaped chute (2).

5. The electric dust removal blackboard for English teaching according to claim 1, wherein both sides of the vertical end of the fixing block (5) are disposed on the inner surface wall of the housing (1), and one side close to the front surface of the housing (1) is slidably connected with the board surface (3).

6. The electric dust removal blackboard for English teaching according to claim 1, wherein a plurality of springs (9) are provided, and the plurality of springs (9) are arranged at equal intervals.

7. The electric dust removal blackboard for English teaching according to claim 1, wherein the outer wall of the dust removal brush (11) is not attached to the outer wall of the board (3), and one ends of the two fixing plates (6) far away from the shell (1) are not attached to the board (3).

8. The electric dust-removing blackboard for english teaching according to claim 1, characterized in that the dust storage box (14) is slidably inserted inside the dust storage chamber (15).

Images