CN202413200U - Blackboard eraser capable of absorbing powdered scrap - Google Patents

Abstract

A blackboard eraser for absorbing powder and crumbs, comprising a brush body with bristles on the front, a plurality of holes for absorbing powder and crumbs on the edge of the bristles on the front of the brush body, a motor is housed in the brush body, and There is a power button for controlling the rotation of the motor. The back of the brush body is sleeved with a connecting pipe connected to the body of the brush body. The end of the connecting pipe is provided with a handle. Compared with the prior art, the utility model can , can avoid chalk dust flying everywhere, keep the lecture place clean and tidy.

Description

dust-absorbing blackboard eraser

technical field

The utility model relates to a powder-absorbing blackboard eraser.

Background technique

In schools, the application of blackboard eraser is very common. Teachers use the blackboard to wipe the blackboard every day in class. The traditional blackboard eraser is rectangular in shape and consists of bristles and brush body. The brush body is close to the bristles. Teachers use such a blackboard Wipe the blackboard. After a class, there will be a lot of chalk powder on hands, handouts or books. At the same time, a lot of chalk powder will be inhaled, which will affect the health of body and mind.

Utility model content

The utility model provides a powder-absorbing blackboard eraser, which can solve the problem of chalk dust flying everywhere when wiping the blackboard.

In order to solve the above-mentioned technical problems, the technical solution adopted by the utility model is: it includes a brush body with bristles on the front, and a plurality of powder suction holes are arranged on the bristle edges of the front of the brush body. A motor is installed, the brush body is provided with a power button for controlling the rotation of the motor, the back of the brush body is sleeved with a connecting pipe connected to the body of the brush body, and a handle is provided at the end of the connecting pipe.

Among the above technical solutions, a more specific solution is: the body of the brush body is funnel-shaped, and the powder chip outlet of the funnel communicates with the communication pipe; the brush body is also provided with a power socket.

Due to the adoption of the above technical solution, the utility model has the following beneficial effects compared with the prior art:

Since the edge of the bristles on the front of the brush body is provided with a plurality of powder suction holes, the brush body is equipped with a motor, so when wiping the blackboard, the motor is started, and a vacuum is formed in the brush body by the high-speed rotation of the motor. , use the resulting high-speed airflow to suck in the chalk dust flying down from the powder suction hole, after wiping the blackboard, turn off the power supply, put the utility model upside down, the powder chips can be poured into the connecting pipe, and the connecting pipe When the tube is removed, the chalk shavings can be poured out gently, avoiding chalk dust flying everywhere, so that the hands will not be stained with chalk dust, which ensures the cleanliness of books or handouts.

Description of drawings

Fig. 1 is a structural representation of the utility model.

FIG. 2 is a top view of FIG. 1 .

Detailed ways

Below in conjunction with accompanying drawing example, the utility model is described in further detail:

The utility model shown in Fig. 1 and Fig. 2, it comprises the brush body 2 that its front is provided with bristle 1, and the edge of the bristle 1 of brush body 2 front is provided with a plurality of powder suction hole 3, and brush body 2 interior There is a motor, and the brush body 2 is provided with a power button 4 for controlling the rotation of the motor. The back of the brush body 2 is sleeved with a connecting pipe 5 connected to the body of the brush body 1. The end of the connecting pipe is provided with a handle 6, and the body of the brush body 1 is Funnel-shaped, the powder chip outlet 7 of the funnel communicates with the connecting pipe 5; the brush body 2 is also provided with a power socket 8, when using the utility model to wipe the blackboard, hold the handle, start the motor, and through the high-speed rotation of the motor, Vacuum is formed in the brush body, and the resulting high-speed airflow is used to suck in the chalk dust that has fallen from the dust suction hole. In the tube, the connecting tube is removed, and the chalk shavings can be poured out gently, which avoids chalk dust flying everywhere, so that the hands will not be stained with chalk dust, which ensures the cleanliness of books or handouts.

Of course, the above description is not a limitation of the present utility model, and the present utility model is not limited to the above-mentioned examples, and changes, modifications, additions or replacements made by those skilled in the art within the essential scope of the present utility model are also acceptable. Should belong to the protection scope of the utility model.

Claims (3)

1. A powder-absorbing crumb blackboard eraser, comprising a brush body provided with bristles on its front, characterized in that: the edge of the bristle on the front of the brush body is provided with a plurality of powder-absorbing crumb holes, and a motor is housed in the brush body , the brush body is provided with a power button for controlling the rotation of the motor, the back of the brush body is sleeved with a communication pipe connected to the body of the brush body, and a handle is provided at the end of the communication pipe. 2. The blackboard eraser for absorbing powder and chips according to claim 1, characterized in that: the body of the brush body is funnel-shaped, and the powder and chip outlet of the funnel communicates with the communicating pipe. 3. The powder-absorbing blackboard eraser according to claim 1, characterized in that: the brush body is also provided with a power socket.

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