CN204383024U - Electronic without the synchronous dust absorption blackboard eraser of dead angle wiping - Google Patents

Abstract

The utility model relates to an electric blackboard eraser for wiping synchronous dust collection without dead angle, which is characterized in that it comprises a blackboard eraser body, a brush, a dust suction port, a power switch, a handle, a motor, an impeller and a dust storage bag. There are 4 brushes in total, which are respectively installed at the front corners of the blackboard eraser body, and the edges of the brushes protrude from the blackboard eraser body; the dust suction port is arranged on the front of the blackboard eraser body; the power switch is arranged on the handle above; the handle is connected to the back of the blackboard eraser body, and its length can be adjusted; the motor, impeller and dust storage bag are all arranged inside the blackboard eraser body. The utility model can realize electric wiping of the blackboard and synchronous dust suction, and can erase the corners and high places of the blackboard, so as to realize the purpose of wiping without dead ends. The utility model has a simple structure and is suitable for practical application.

Description

Electric no dead angle wipe synchronous vacuum blackboard eraser

technical field

The utility model relates to a blackboard eraser, in particular to an electric blackboard eraser with no dead angle for wiping and synchronous vacuuming.

Background technique

The blackboard eraser is an indispensable teaching tool in the teaching process. When using it, the teacher needs to hold the blackboard eraser and use manpower to wipe it back and forth, which is time-consuming and laborious; a large amount of dust generated during the wiping process will seriously endanger the health of teachers. According to the data from the Center for Disease Control and Prevention in my country, The prevalence rate of asthma, rhinitis 39%, pneumoconiosis 11.76% and bronchitis 8% among primary and middle school teachers who have worked for more than 5 years.

The Chinese patent with the authorized notification number CN203126295 U discloses an "electric blackboard eraser", which includes a housing, 2 electric rollers, a brush wrapped outside the rollers, a dust suction inlet, a dust storage box and a handle. Electric blackboard cleaning and vacuuming, but can not effectively erase chalk writing, can not erase the corners of the blackboard and high writing.

Utility model content

In order to overcome the deficiencies of the prior art, the utility model provides an electric blackboard eraser with no dead angle for wiping and synchronous vacuuming.

The technical scheme adopted by the utility model to solve the above-mentioned technical problems is: an electric blackboard eraser for synchronous dust collection without dead angle, which is characterized in that it includes a blackboard eraser body, a brush, a dust suction port, a power switch, a handle, a motor, an impeller and a storage dust bag. There are 4 brushes in total, which are respectively installed at the front corners of the blackboard eraser body, and the edges of the brushes protrude from the blackboard eraser body; the dust suction port is arranged on the front of the blackboard eraser body; the power switch is arranged on the handle above; the handle is connected to the back of the blackboard eraser body, and its length can be adjusted; the motor, impeller and dust storage bag are all arranged inside the blackboard eraser body.

Compared with the prior art, the beneficial effects of the utility model are: 1. The electric blackboard eraser does not need to use manpower to wipe the blackboard back and forth, which reduces the manual labor intensity of teachers, saves time and effort, and has high work efficiency. 2. Simultaneously and automatically vacuum the blackboard when wiping the blackboard to avoid chalk dust floating around, which is beneficial to the health of teachers. 3. The edge of the brush protrudes from the body of the blackboard eraser, which can erase the handwriting at the corners of the blackboard; the length-adjustable handle can be used to erase the handwriting at the height of the blackboard, so as to achieve the purpose of wiping without dead ends. The utility model has a simple structure and is suitable for practical application.

Description of drawings

Fig. 1 is the front structural representation of the utility model;

Fig. 2 is a schematic diagram of the back structure of the utility model;

Fig. 3 is a schematic side view of the utility model.

In the picture: 1. Blackboard eraser body 2. Brush 3. Vacuum suction port 4. Power switch 5. Handle

Detailed ways

The preferred embodiments of the utility model are given below in conjunction with the accompanying drawings to describe the technical solution of the utility model in detail.

As shown in Figures 1, 2, and 3, the utility model is an electric blackboard eraser for synchronous vacuuming without dead ends, including a blackboard eraser body 1, a brush 2, a dust suction port 3, a power switch 4, a handle 5, a motor, an impeller and a storage dust bag. Described hairbrush 2 totally 4 promptly hairbrush 2.1, hairbrush 2.2, hairbrush 2.3 and hairbrush 2.4, are respectively installed in blackboard eraser body 1 front corner, its edge all protrudes from blackboard eraser body 1; The dust port 3 is arranged on the front of the blackboard eraser body 1; the power switch 4 is arranged on the handle 5; the handle 5 is connected to the back of the blackboard eraser body 1, and its length can be adjusted; the motor, the impeller and the dust storage bag are all arranged Inside the blackboard eraser body 1 .

Working principle: Turn on the power switch 4, the motor drives the impeller to rotate, forming a negative pressure area near the dust suction port 3; at the same time, the brush 2.1 rotates clockwise, and the brush 2.2 rotates counterclockwise, creating a gap between the brush and the blackboard surface. With high friction, the chalk writing is wiped off, and the chalk dust is brought to the suction port 3 and sucked into the dust storage bag; the brush 2.3 rotates clockwise, and the brush 2.4 rotates counterclockwise, and the erased chalk dust is brought to the vacuum port 3 Inhale the dust storage bag. The edges of the brushes 2.1-2.4 all protrude from the blackboard eraser body 1, so the handwriting at the corners of the blackboard can be erased. Adjust the length of the handle 5, hold the handle 5 and move on the blackboard to erase the chalk writing on the height of the blackboard. After using it for a period of time, remove the dust storage bag and clean up the chalk dust intensively.

Claims (1)

1. An electric blackboard eraser for wiping synchronous vacuuming without dead ends, is characterized in that it comprises a blackboard eraser body, a hair brush, a dust suction port, a power switch, a handle, a motor, an impeller and a dust storage bag, and there are 4 total brushes, They are respectively installed at the front corners of the blackboard eraser body, and the edges of the brushes protrude from the blackboard eraser body; the dust suction port is set on the front of the blackboard eraser body; the power switch is set on the handle; The back of the eraser body is adjustable in length; the motor, impeller and dust storage bag are all arranged inside the blackboard eraser body.