CN203293783U - Dust-absorbing chalkboard eraser - Google Patents

Abstract

The utility model relates to a dust-absorbing chalk wiper, comprising a wiper body, a power switch, a dust-absorbing hole, a wiper, a power supply, a power cord, an impeller, a motor, a vent hole, a dust box, and a filter screen, and is characterized in that a power supply and a filter are installed in the wiper body. The motor is equipped with an impeller, and the power supply is connected to the motor through a power cord and a power switch. There are several dust suction holes on the wiper. The dust suction holes communicate with the inner cavity of the wiper. The air hole communicates with the inner cavity of the wiping body, and a dust box and a filter screen are installed in the wiping body. The beneficial effect of the utility model is that the utility model can effectively make the dust on the blackboard eraser fall into the box, which is beneficial to the sanitation of the podium, thereby overcoming the shortcomings of the existing blackboard eraser that makes the podium full of dust and pollutes the classroom environment. place.

Description

vacuum chalk eraser

technical field

The utility model relates to the field of teaching supplies, in particular to a dust-absorbing chalk eraser.

Background technique

The chalk wipes commonly used in teaching will fly powder and dust everywhere when they are wiped, and there is no function of vacuuming. Especially in summer, when fans are used in classrooms, teachers and students will inhale chalk dust from nostrils and mouths to varying degrees, which seriously affects the classroom environment and environment. The health of teachers and students.

Contents of the invention

The technical problem to be solved by the utility model is to overcome the deficiencies of the prior art and provide a dust-absorbing chalk wiper. Dust hole, wiping cloth, power supply, power cord, impeller, motor, vent hole, dust box, filter screen, characterized in that power supply and motor are installed in the wiper body, impeller is installed on the motor, and the power supply is connected to the motor through the power cord and power switch Connection, the cloth is provided with several dust suction holes, the dust suction holes communicate with the inner cavity of the wipe body, the wipe body is provided with air holes, the air holes communicate with the inner cavity of the wipe body, and the dust box and filter are installed in the wipe body. net.

When in use, connect the power supply, the motor drives the impeller to rotate, the impeller generates wind movement inward and flows out from the vent hole, and an inward airflow is generated at the dust suction hole of the wiper, and the dust wiped by the wiper is sucked into the wiper body, chalk dust After being blocked by the filter screen, the dust box falling into the wiper body achieves the purpose of dust collection.

The beneficial effect of the utility model is that the utility model can effectively make the dust on the blackboard eraser fall into the box, which is beneficial to the sanitation of the podium, thereby overcoming the shortcomings of the existing blackboard eraser that makes the podium full of dust and pollutes the classroom environment. place.

Description of drawings

Fig. 1: the structural representation of the embodiment of the utility model;

Among the figure: wiping body 1, power switch 2, dust suction hole 3, wiping cloth 4, power supply 5, power cord 6, impeller 7, motor 8, ventilation hole 9, dust box 10, filter screen 11.

Detailed ways

With reference to the accompanying drawings, the utility model is described in detail as follows: as shown in the figure, the structure of the utility model includes a wiper 1, a power switch 2, a dust suction hole 3, a wiper 4, a power supply 5, a power cord 6, an impeller 7. Motor 8, ventilation hole 9, dust box 10, filter screen 11, characterized in that a power supply 5 and a motor 8 are installed in the wiper body 1, an impeller 7 is installed on the motor 8, and the power supply 5 passes through the power cord 6 and the power switch 2 Connected with the motor 8, the wiper 4 is provided with several dust suction holes 3, the dust suction holes 3 communicate with the inner cavity of the wipe body 1, and the wipe body 1 is provided with a vent hole 9, and the vent hole 9 is connected with the interior of the wipe body 1. The cavities are communicated, and a dust box 10 and a filter screen 11 are installed in the wiper body 1 . When in use, connect the power supply 5, the motor 8 drives the impeller 7 to rotate, the impeller 7 generates wind movement inward and flows out from the air hole 9, and an inward airflow is generated at the dust suction hole 3 of the wiping cloth 4, and the wiping cloth 4 is wiped off. The dust sucked in the wipe body 1, the chalk dust is blocked by the filter screen 11, and falls into the dust box 10 in the wipe body 1 to achieve the purpose of dust collection.

Claims (1)

1. dust absorbnig chalk eraser, comprise rub body (1), power switch (2), air suction opening (3), wiper (4), power supply (5), power line (6), impeller (7), motor (8), passage (9), dust box (10), screen pack (11), it is characterized in that in rub body (1) being equipped with power supply (5) and motor (8), impeller (7) is installed on motor (8), power supply (5) is connected 2 by power line (6) with power switch) be connected with motor (8), be provided with several air suction openings (3) on wiper (4), air suction opening (3) communicates with the inner chamber of rub body (1), be provided with passage (9) on rub body (1), passage (9) communicates with the inner chamber of rub body (1), dust box (10) and screen pack (11) are installed in rub body (1).

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