CN210211842U

CN210211842U - Blackboard writing wiping device for teaching blackboard

Info

Publication number: CN210211842U
Application number: CN201921197681.XU
Authority: CN
Inventors: Ling Ang; 昂凌; Wei Huang; 黄微; Xiaomeng Ang; 昂小萌; Xuetao Jiang; 江雪涛
Original assignee: Individual
Current assignee: Individual
Priority date: 2019-07-26
Filing date: 2019-07-26
Publication date: 2020-03-31
Anticipated expiration: 2029-07-26

Abstract

The utility model belongs to the technical field of teaching assistance tool technique and specifically relates to a device is cleaned to teaching blackboard writing, including installing the mounting panel on blackboard both sides wall, the mounting groove has been seted up to the inside of mounting panel, the spout has been seted up on the inner wall of mounting groove, the inside of mounting groove is rotated through the bearing and is connected with the threaded rod, the outside threaded connection of threaded rod has the thread piece, two be connected with the diaphragm between the slider, the left and right sides of dead slot communicates respectively has the connecting pipe, be connected with the dust collection box on the lateral wall of mounting panel, the fan is installed to the upper end of dust collection box, the air outlet and the dust collection box intercommunication of fan, be connected with the expansion hose between. The utility model has the advantages of reasonable design, it is convenient to use, can be automatic clean the blackboard, can avoid the chalk dust to fly upward moreover, facilitate the use more.

Description

Blackboard writing wiping device for teaching blackboard

Technical Field

The utility model relates to a teaching auxiliary tool technical field especially relates to a teaching blackboard writing wiping arrangement.

Background

In the existing teaching method, the blackboard is a display platform for teachers to show blackboard writing and ask questions and solve puzzles, because the blackboard space is limited, along with the continuation of the teaching process of teachers, the contents which need to be displayed on the blackboard are gradually increased, the writable space on the blackboard is gradually reduced, the blackboard needs to be cleaned in the process, the existing method is that students or teachers clean the blackboard in person, the time consumed by the method is long, the course progress can be interrupted, the learning effect of students on class is influenced, in addition, more chalk dust can be generated in the cleaning process, the health can be harmed, and the limitation is large. To this end, we propose a blackboard writing wiper device for teaching to solve such problems.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving the defects existing in the prior art, and providing a blackboard writing wiping device for teaching, which is more convenient to use.

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

a blackboard writing wiping device for a teaching blackboard is designed, which comprises mounting plates mounted on wall surfaces on two sides of the blackboard, wherein a mounting groove is formed in the mounting plate, a sliding groove is formed in the inner wall of the mounting groove, the inside of the mounting groove is rotatably connected with a threaded rod through a bearing, a motor is mounted in the middle of the upper end of the mounting plate, an output shaft of the motor is connected with the upper end of the threaded rod, a threaded block is in threaded connection with the outer side of the threaded rod, sliding blocks matched with the sliding groove are connected onto the side wall of the threaded block, a transverse plate is connected between the two sliding blocks, a hollow groove is formed in the front side of the transverse plate, a spring is uniformly connected to the rear side of the inner wall of the hollow groove, a movable plate matched with the hollow groove is connected to the front end of the spring, bristles, the side wall of the mounting plate is connected with a dust collection box, the upper end of the dust collection box is provided with a fan, an air outlet of the fan is communicated with the dust collection box, and a flexible hose is connected between an air suction port of the fan and the connecting pipe.

Preferably, the upper end and the lower sheet of the mounting plate are respectively connected with a positioning piece, and positioning holes are symmetrically formed in the positioning pieces.

Preferably, the motor is a reduction motor.

Preferably, the mounting groove is a square groove, and the thread block is matched with the mounting groove.

Preferably, the outer wall of the dust collection box is hinged with a box door through a hinge.

The utility model provides a pair of teaching blackboard writing wiping arrangement, beneficial effect lies in: drive the threaded rod through starter motor and rotate, can make the screw thread piece upwards or rotate downwards, thereby drive the diaphragm and remove, make the brush hair clean the blackboard, and under the effect of spring, can make brush hair and blackboard in close contact with, ensured the effect of cleaning the blackboard, start the fan simultaneously, suction can be produced, make the chalk dust of cleaning blackboard in-process production get into from the through-hole, and pass through connecting pipe and expansion hose in proper order, finally get into the dust collection box and collect, can avoid the chalk dust to fly upward, environmental protection more. The utility model has the advantages of reasonable design, it is convenient to use, can be automatic clean the blackboard, can avoid the chalk dust to fly upward moreover, facilitate the use more.

Drawings

Fig. 1 is a schematic view of the overall structure of a blackboard writing wiping device for teaching blackboard provided by the utility model;

fig. 2 is a schematic diagram of a middle part structure of a blackboard writing wiping device for teaching provided by the utility model.

In the figure: the device comprises a mounting plate 1, a mounting groove 2, a sliding groove 3, a threaded rod 4, a threaded block 5, a sliding block 6, a transverse plate 7, an empty groove 8, a spring 9, a movable plate 10, bristles 11, a through hole 12, a connecting pipe 13, a dust collection box 14, a fan 15, a telescopic hose 16, a motor 17, a box door 18, a positioning piece 19 and a positioning hole 20.

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.

Referring to fig. 1-2, a blackboard writing erasing device for teaching blackboards comprises mounting plates 1 mounted on wall surfaces on two sides of a blackboard, wherein the upper end and the lower end of each mounting plate 1 are respectively connected with a positioning piece 19, positioning holes 20 are symmetrically formed in the positioning pieces 19, and during mounting, a bolt penetrates through the positioning holes 20 and is driven into a wall body, so that the mounting plates 1 can be mounted and fixed.

Mounting groove 2 has been seted up to mounting panel 1's inside, has seted up spout 3 on mounting groove 2's the inner wall, and mounting groove 2's inside is rotated through the bearing and is connected with threaded rod 4, and mounting panel 1's upper end mid-mounting has motor 17, and motor 17's output shaft is connected with threaded rod 4's upper end, and motor 17 is gear motor, gear motor's efficiency and reliability are high, and long service life, maintain portably.

Threaded rod 4's outside threaded connection has screw thread piece 5, mounting groove 2 is the square groove, and screw thread piece 5 and mounting groove 2 phase-match, be connected with the slider 6 with 3 looks adaptations of spout on the lateral wall of screw thread piece 5, be connected with diaphragm 7 between two sliders 6, diaphragm 7's front side is opened and is equipped with dead slot 8, the inner wall rear side of dead slot 8 evenly is connected with spring 9, spring 9's front end is connected with the fly leaf 10 with dead slot 8 looks adaptations, the one end that spring 9 was kept away from to fly leaf 10 is connected with brush hair 11, the left and right sides of dead slot 8 communicates respectively has connecting pipe 13, be connected with dust collection box 14 on mounting panel 1's the lateral wall, it has chamber door 18 to articulate through the hinge on dust collection box 14's the outer wall, chamber door 18 switch is convenient, the chalk dust of collecting in.

The upper end of the dust collection box 14 is provided with a fan 15, the fan 15 is a suction fan, an air outlet of the fan 15 is communicated with the dust collection box 14, and a flexible hose 16 is connected between an air inlet of the fan 15 and the connecting pipe 13.

The working principle is as follows: when wiping the blackboard, drive threaded rod 4 through starter motor 17 and rotate, can make the screw thread piece 5 upwards or rotate downwards, thereby drive diaphragm 7 and remove, make brush hair 11 clean the blackboard, and under the effect of spring 9, can make brush hair 11 and blackboard in close contact with, the effect of wiping the blackboard has been ensured, start fan 15 simultaneously, can produce suction, make the chalk dust that wipes the blackboard in-process and produce get into from through-hole 12, and pass through connecting pipe 13 and expansion hose 16 in proper order, finally get into dust collection box 14 and collect, can avoid the chalk dust to fly upward, and is more environment-friendly.

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

1. The utility model provides a blackboard writing wiping arrangement for teaching blackboard, includes installs mounting panel (1) on blackboard both sides wall, its characterized in that, mounting groove (2) have been seted up to the inside of mounting panel (1), spout (3) have been seted up on the inner wall of mounting groove (2), the inside of mounting groove (2) is rotated through the bearing and is connected with threaded rod (4), the upper end mid-mounting of mounting panel (1) has motor (17), just the output shaft of motor (17) is connected with the upper end of threaded rod (4), the outside threaded connection of threaded rod (4) has screw thread piece (5), be connected with slider (6) with spout (3) looks adaptation on the lateral wall of screw thread piece (5), two be connected with diaphragm (7) between slider (6), dead slot (8) have been seted up to the front side of diaphragm (7), the inner wall rear side of dead slot (8) evenly is connected with spring (9), the utility model discloses a dust collection box, including mounting panel (1), spring (9), the front end of spring (9) is connected with fly leaf (10) with dead slot (8) looks adaptation, the one end that spring (9) were kept away from in fly leaf (10) is connected with brush hair (11), the left and right sides of dead slot (8) communicates respectively has connecting pipe (13), be connected with dust collection box (14) on the lateral wall of mounting panel (1), fan (15) are installed to the upper end of dust collection box (14), the air outlet and the dust collection box (14) intercommunication of fan (15), be connected with expansion hose (16) between the inlet scoop of fan (15) and connecting pipe (13).

2. A blackboard eraser for teaching according to claim 1, wherein the upper end and the lower sheet of the mounting plate (1) are respectively connected with a positioning piece (19), and the positioning pieces (19) are symmetrically provided with positioning holes (20).

3. An instructional blackboard eraser apparatus according to claim 1, characterised in that the motor (17) is a speed-reducing motor.

4. An blackboard eraser device according to claim 1, characterised in that the mounting groove (2) is a square groove and the threaded block (5) matches the mounting groove (2).

5. An blackboard eraser device according to claim 1, characterised in that the outer wall of the dust box (14) is hinged with a door (18) by means of hinges.