CN210941072U

CN210941072U - Blackboard dust extraction is used in teaching

Info

Publication number: CN210941072U
Application number: CN201921851894.XU
Authority: CN
Inventors: 王梓宇; 肖洁茜; 夏一珂; 黄博涵
Original assignee: Hubei University of Technology
Current assignee: Hubei University of Technology
Priority date: 2019-10-31
Filing date: 2019-10-31
Publication date: 2020-07-07
Anticipated expiration: 2029-10-31

Abstract

The utility model discloses a blackboard dust suction device for teaching, which comprises a blackboard main body fixed on a wall body, wherein the bottom of the blackboard main body is connected with a fixed box fixed on the wall body, one end inside the fixed box is provided with a suction fan, the air inlet of the suction fan is connected with a transversely arranged air pipe, the top of the air pipe is vertically communicated with a dust suction pipe arranged at equal distance, one side of the dust suction pipe is provided with a water tank fixed on the inner wall of the fixed box, the bottom of the water tank is connected with a water pipe arranged at equal distance, the water pipe is communicated with the air pipe, a solenoid valve is arranged on the water pipe, one side of the water pipe extending into the air pipe and close to the suction fan is provided with a baffle fixed between the inner walls of the air pipe, so that dust air can be sucked and collected under the common action of each component, the air, the personal suction of dust is avoided, the breathing safety of teachers and students is effectively guaranteed, and the teaching quality is effectively improved.

Description

Blackboard dust extraction is used in teaching

Technical Field

The utility model relates to a dust extraction technical field specifically is a blackboard dust extraction is used in teaching.

Background

Generally, in the teaching process of mathematics, teachers mostly write a plurality of blackboard writings on a blackboard with chalk to give lectures and teach students. However, on a blackboard with a limited area, too many blackboard writing fonts cannot be accommodated at one time, so that after one screen of the blackboard is full, the blackboard needs to be erased on site and then written on the blackboard again. The blackboard eraser which reciprocates when the blackboard is erased not only erases chalk writings on the blackboard, but also lifts dust of the chalk writings in the moving process, the lifted dust is continuously rolled up and lifted along with air on the front side of the blackboard, so that great dust pollution is caused to blackboard erasing people, air and environment in a classroom are polluted, dust is sucked into the lung of teachers and students, personal injury of respiratory systems of the teachers and the students is brought, and the blackboard dust collection device for teaching is provided.

SUMMERY OF THE UTILITY MODEL

Technical problem to be solved

The utility model provides a not enough to prior art, the utility model provides a blackboard dust extraction is used in teaching has solved the dust and has flown upward when cleaning the blackboard and inhale the problem of lung easily.

(II) technical scheme

In order to achieve the above purpose, the utility model discloses a following technical scheme realizes: a blackboard dust collection device for teaching comprises a blackboard body fixed on a wall body, wherein the bottom of the blackboard body is connected with a fixed box fixed on the wall body, one end inside the fixed box is provided with a suction fan, an air inlet of the suction fan is connected with a transversely arranged air pipe, the top of the air pipe is vertically communicated with a dust collection pipe arranged at equal distance, one side of the dust collection pipe is provided with a water tank fixed on the inner wall of the fixed box, the bottom of the water tank is connected with a water pipe arranged at equal distance, the water pipe is communicated with the air pipe, an electromagnetic valve is arranged on the water pipe, one side of the water pipe extending into the air pipe and close to the suction fan is provided with a baffle plate fixed between the inner walls of the air pipe, the lower part of the air pipe is connected with a recovery box fixed on the inner bottom wall of the fixed box, the top of the fixed box is provided with an opening, a fixed plate is fixed between the inner walls of the opening, the top of the fixed plate is provided with a groove, and the outer wall of the pipe orifice of the dust collection pipe is fixed on the inner bottom surface of the groove.

Preferably, the baffle plate is provided with a through hole, the through hole is in a conical structure, and the inner diameter of the through hole close to one end of the suction fan is smaller than the inner diameter of the through hole far away from one end of the suction fan.

Preferably, one end of the recovery tank is connected with a discharge pipe extending out of the end part of the fixed tank, and one end of the top of the water tank is connected with a water adding pipe extending out of the top of the fixed tank.

Preferably, the shower nozzle is installed to the one end that the water pipe stretches into the inside tuber pipe, the solenoid valve that installs on the water pipe is controlled through a power with the suction fan.

Preferably, the inner chamber of recess is funnel-shaped structure, the connector that the equidistance set up is seted up to the inner bottom wall of recess, and the top outer wall of dust absorption pipe is fixed in the connector.

(III) advantageous effects

The utility model provides a blackboard dust extraction is used in teaching. The method has the following beneficial effects: under the combined action of each part, dust air can be sucked and collected, so that the air in the cleaning process of the teaching blackboard is purified, dust pollution is avoided, the body suction of dust is avoided, the breathing safety of teachers and students is effectively guaranteed, and the teaching quality is effectively improved.

Drawings

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

FIG. 2 is an enlarged view of a portion A of FIG. 1;

fig. 3 is a schematic top view of the fixing plate of the present invention.

In the figure: 1 blackboard main body, 2 fixed box, 3 recovery box, 4 suction fan, 5 air pipes, 6 water tank, 7 opening, 8 baffle, 9 dust absorption pipe, 10 water pipe, 11 communicating port, 12 fixed plate, 13 groove, 14 connecting port, 15 discharging pipe and 16 water adding pipe.

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 blackboard dust collection device for teaching comprises a blackboard main body 1 fixed on a wall body, wherein the bottom of the blackboard main body 1 is connected with a fixed box 2 fixed on the wall body, one end inside the fixed box 2 is provided with a suction fan 4, an air inlet of the suction fan 4 is connected with an air pipe 5 transversely arranged, the top of the air pipe 5 is vertically communicated with a dust collection pipe 9 arranged at equal distance, one side of the dust collection pipe 9 is provided with a water tank 6 fixed on the inner wall of the fixed box 2, the bottom of the water tank 6 is connected with a water pipe 10 arranged at equal distance, the water pipe 10 is communicated with the air pipe 5, an electromagnetic valve is arranged on the water pipe 10, one side of the water pipe 10 extending into the air pipe 5 and close to the suction fan 4 is provided with a baffle plate 8 fixed between the inner walls of the air pipe 5, the lower part of the air pipe 5 is connected with a recovery box 3 fixed on the inner bottom wall of the fixed box 2, the, the top of the fixed box 2 is provided with an opening 7, a fixed plate 12 is fixed between the inner walls of the opening 7, the top of the fixed plate 12 is provided with a groove 13, and the outer wall of the pipe opening of the dust collection pipe 9 is fixed on the inner bottom surface of the groove 13.

In order to prevent water from flowing into the suction fan 4, the baffle plate 8 is provided with a through hole which is in a conical structure, and the inner diameter of the through hole close to one end of the suction fan 4 is smaller than the inner diameter of the through hole far away from one end of the suction fan 4, so that the water flowing out of the water pipe 10 is limited on one side of the baffle plate 8 and cannot flow into the suction fan 4, and the normal work of the suction fan 4 is ensured.

In order to facilitate water adding and draining, one end of the recovery tank 3 is connected with a discharge pipe 15 extending out of the end part of the fixed tank 2, and one end of the top of the water tank 6 is connected with a water adding pipe 16 extending out of the top of the fixed tank 2, so that the water adding pipe 16 can timely inject water into the water tank 6, and the water discharge pipe 15 can timely discharge waste water in the recovery tank 3.

In order to make water pipe 10 spun rivers even, the shower nozzle is installed to the inside one end of water pipe 10 stretching into tuber pipe 5, the solenoid valve that installs on the water pipe 10 is controlled through a power with suction fan 4, therefore its spun scope is wider under the effect of shower nozzle, better absorbs the dust that tuber pipe 5 inhaled, and controls through same power, makes solenoid valve and suction fan 4 simultaneous action, better cooperatees.

In order to absorb dust conveniently, the inner cavity of the groove 13 is of a funnel-shaped structure, the inner bottom wall of the groove 13 is provided with a connecting port 14 which is arranged at an equal distance, and the outer wall of the top end of the dust suction pipe 9 is fixed in the connecting port 14, so that dust can be directly sucked from the dust suction pipe 9, and the dust on the inner wall of the groove 13 can be cleaned conveniently.

The working principle is as follows: when in use, dust raised on the blackboard can be cleaned and sucked into the air pipe 5 through the dust suction pipe 9 under the action of the suction fan 4 and absorbed under water liquid sprayed from the water pipe 10, so that the dust can flow into the recovery box 3 along the communicating port 11 along with the water liquid, mixed liquid in the recovery box 3 can be utilized, water can not enter the suction fan 4 along the air pipe 5 under the action of the baffle plate 8, stable operation of the suction fan 4 can be ensured, dust can be absorbed, dust can not be guided out when the dust is cleaned on the blackboard, the dust meets use requirements, dust air can be sucked and collected under the combined action of all components, air in the cleaning process of the teaching blackboard is purified, dust pollution is avoided, dust suction by a human body is avoided, and the breathing safety of teachers and students is effectively ensured, and effectively improve the teaching quality.

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. The use of the phrase "comprising one of the elements does not exclude the presence of other like elements in the 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 blackboard dust extraction is used in teaching, is including fixing blackboard main part (1) on the wall body, its characterized in that: the blackboard comprises a blackboard main body (1), wherein the bottom of the blackboard main body (1) is connected with a fixed box (2) fixed on a wall body, one end inside the fixed box (2) is provided with a suction fan (4), an air inlet of the suction fan (4) is connected with an air pipe (5) transversely arranged, the top of the air pipe (5) is vertically communicated with a dust suction pipe (9) arranged at equal intervals, one side of the dust suction pipe (9) is provided with a water tank (6) fixed on the inner wall of the fixed box (2), the bottom of the water tank (6) is connected with a water pipe (10) arranged at equal intervals, the water pipe (10) is communicated with the air pipe (5), the water pipe (10) is provided with an electromagnetic valve, one side of the water pipe (10) extending into the air pipe (5) and close to the suction fan (4) is provided with a baffle plate (8) fixed between the inner walls of the air pipe (5), the lower part of the, the top of collection box (3) is seted up the equidistance and is set up and with intercommunication mouth (11) of tuber pipe (5) inside intercommunication, opening (7) have been seted up at the top of fixed case (2), be fixed with between the inner wall of opening (7) fixed plate (12), the top of fixed plate (12) is seted up flutedly (13), the orificial outer wall of dust absorption pipe (9) is fixed on the interior bottom surface of recess (13).

2. The blackboard dust extraction is used in teaching of claim 1, which is characterized in that: the baffle plate (8) is provided with a through hole which is in a conical structure, and the inner diameter of one end, close to the suction fan (4), of the through hole is smaller than that of one end, far away from the suction fan (4), of the through hole.

3. The blackboard dust extraction is used in teaching of claim 1, which is characterized in that: one end of the recovery box (3) is connected with a discharge pipe (15) extending out of the end part of the fixed box (2), and one end of the top of the water tank (6) is connected with a water feeding pipe (16) extending out of the top of the fixed box (2).

4. The blackboard dust extraction is used in teaching of claim 1, which is characterized in that: the water pipe (10) stretches into the one end inside the air pipe (5) and is provided with a spray head, and the electromagnetic valve arranged on the water pipe (10) and the suction fan (4) are controlled through a power supply.

5. The blackboard dust extraction is used in teaching of claim 1, which is characterized in that: the inner chamber of recess (13) is funnel-shaped structure, connector (14) that the equidistance set up are seted up to the inner bottom wall of recess (13), and the top outer wall of dust absorption pipe (9) is fixed in connector (14).