CN204451764U - a sponge eraser - Google Patents

Abstract

The utility model discloses a sponge blackboard eraser comprises blackboard eraser casing, dust absorption button, sponge eraser body, dust storage box, small-size dust catcher, water injection button, storage water tank and boss, its characterized in that: the blackboard eraser comprises a blackboard eraser shell, and is characterized in that a sponge eraser body is arranged on one side of the blackboard eraser shell, the blackboard eraser shell is fixedly connected with the sponge eraser body, a boss is arranged on the blackboard eraser shell, a water injection button is arranged on the boss, a water storage tank is arranged at the upper end of the boss, the water storage tank is fixedly connected with the boss, a small dust collector is arranged below the boss, the small dust collector is fixedly connected with the blackboard eraser shell, a dust collection button is arranged on the small dust collector, a dust storage box is arranged at the lower end of the small dust collector, the small dust collector is connected with the dust storage box, and the dust storage box is arranged. The utility model discloses built-in small-size dust catcher can prevent to influence teachers and students' healthy because the chalk dust flies upward when wiping the blackboard, the utility model has the advantages of simple structure, convenient to use.

Description

a sponge eraser

technical field

The utility model relates to the field of teaching appliances, in particular to a sponge eraser.

Background technique

Blackboard eraser is a commonly used teaching article, and the blackboard eraser widely used at present cannot prevent chalk dust from flying, which affects the health of teachers and students. The blackboard eraser is a special tool used to wipe the blackboard. It can easily erase the chalk on the blackboard, so that the blackboard can be reused. The school is the place where the blackboard eraser is used most. Other places such as corporate bulletin boards, some training institutions Waiting will also use the blackboard, and the place where the blackboard is used always has the shadow of the blackboard eraser. At present, people mainly rely on people to use blackboard erasers to erase the chalk on the blackboard when cleaning the blackboard. On the podium, it is easy to lose and sometimes it is not easy to find. When you need to wipe the blackboard, you often waste a lot of time looking for a blackboard eraser. At present, most of the blackboard erasers for teaching are felt-type. Its shortcoming is, one is to cause environmental pollution, and the other is to cause certain harm to the health of teachers and students.

Utility model content

The technical problem to be solved by the utility model is to provide a sponge eraser for the above-mentioned deficiencies in the prior art. The built-in small vacuum cleaner of the utility model can prevent the health of teachers and students from being affected by flying chalk dust when wiping the blackboard. The utility model has the advantages of simple structure and convenient use.

The technical solution of the utility model is: a sponge eraser, which is composed of an eraser shell, a dust suction button, a sponge eraser body, a dust storage box, a small vacuum cleaner, a water injection button, a water storage tank and a boss, and is characterized in that: the eraser A sponge eraser is provided on one side of the housing, and the eraser housing and the sponge eraser are fixedly connected to each other. A boss is arranged on the eraser housing, a water filling button is arranged on the boss, and a storage tank is arranged on the upper end of the boss. The water tank, the water storage tank and the boss are fixedly connected to each other, a small vacuum cleaner is arranged under the boss, the small vacuum cleaner and the eraser housing are fixedly connected to each other, a dust suction button is arranged on the small vacuum cleaner, and a dust storage box is arranged at the lower end of the small vacuum cleaner , the small vacuum cleaner and the dust storage box are connected to each other, and the dust storage box is arranged in the housing of the eraser.

The beneficial effects of the utility model are: a sponge eraser, which is composed of an eraser shell, a dust suction button, a sponge eraser body, a dust storage box, a small vacuum cleaner, a water injection button, a water storage tank and a boss, and is characterized in that: the eraser A sponge eraser is provided on one side of the housing, and the eraser housing and the sponge eraser are fixedly connected to each other. A boss is arranged on the eraser housing, a water filling button is arranged on the boss, and a storage tank is arranged on the upper end of the boss. The water tank, the water storage tank and the boss are fixedly connected to each other, a small vacuum cleaner is arranged under the boss, the small vacuum cleaner and the eraser housing are fixedly connected to each other, a dust suction button is arranged on the small vacuum cleaner, and a dust storage box is arranged at the lower end of the small vacuum cleaner , the small vacuum cleaner and the dust storage box are connected to each other, and the dust storage box is arranged in the housing of the eraser. The built-in small vacuum cleaner of the utility model can prevent the health of teachers and students from being affected by flying chalk dust when wiping the blackboard. The utility model has the advantages of simple structure and convenient use.

Description of drawings

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

Among them: 1. Eraser housing 2. Vacuum button 3. Sponge body

4. Dust storage box 5. Small vacuum cleaner 6. Water filling button

7. Water storage tank 8. Boss

Detailed ways

The specific embodiment of the utility model is briefly described below in conjunction with the accompanying drawings.

As shown in Figure 1, a sponge eraser is composed of an eraser housing 1, a dust suction button 2, a sponge eraser body 3, a dust storage box 4, a small vacuum cleaner 5, a water filling button 6, a water storage tank 7 and a boss 8. It is characterized in that: one side of the eraser shell 1 is provided with a sponge eraser body 3, the eraser shell 1 and the sponge eraser body 3 are fixedly connected to each other, the eraser shell 1 is provided with a boss 8, and the boss 8 is A water filling button 6 is provided, and a water storage tank 7 is arranged on the upper end of the boss 8, and the water storage tank 7 and the boss 8 are fixedly connected to each other, and a small vacuum cleaner 5 is arranged below the boss 8, and the small vacuum cleaner 5 and the eraser housing 1 are connected to each other. Fixedly connected, the small vacuum cleaner 5 is provided with a dust suction button 2, the lower end of the small vacuum cleaner 5 is provided with a dust storage box 4, the small vacuum cleaner 5 and the dust storage box 4 are connected to each other, and the dust storage box 4 is arranged on the eraser housing 1 Inside.

The above embodiments are only used to illustrate the technical solutions of the present utility model, and cannot limit the scope of the present utility model; modifications to the technical solutions recorded in the foregoing embodiments, or equivalent replacements to some of the technical features, and All should still fall within the scope covered by the utility model patent without making the essence of the corresponding technical solutions deviate from the spirit and scope of the technical solutions of the various embodiments of the utility model.

Claims (1)

1. A sponge eraser is composed of an eraser housing, a dust suction button, a sponge eraser body, a dust storage box, a small vacuum cleaner, a water filling button, a water storage tank and a boss, and is characterized in that: one side of the eraser housing is provided with The sponge eraser body, the eraser shell and the sponge eraser body are fixedly connected to each other, the eraser shell is provided with a boss, the boss is provided with a water injection button, and the upper end of the boss is provided with a water storage tank, and the water storage tank and the boss The platforms are fixedly connected to each other, a small vacuum cleaner is arranged under the boss, the small vacuum cleaner and the eraser housing are fixedly connected to each other, a dust suction button is arranged on the small vacuum cleaner, a dust storage box is arranged at the lower end of the small vacuum cleaner, and the dust storage box is arranged on the small vacuum cleaner and the dust storage The boxes are connected to each other, and the dust storage box is arranged in the eraser housing.