CN214928551U

CN214928551U - Blackboard eraser with automatic dust absorption function

Info

Publication number: CN214928551U
Application number: CN202121437991.1U
Authority: CN
Inventors: 孙宗耀; 陈新烨; 刘芳; 罗文涛
Original assignee: Individual
Current assignee: Individual
Priority date: 2021-06-28
Filing date: 2021-06-28
Publication date: 2021-11-30
Anticipated expiration: 2031-06-28

Abstract

The utility model discloses a blackboard eraser with automatic dust absorption function, including the handheld lid of blackboard eraser, the cavernosum that is used for wiping the blackboard is installed to the lower extreme of the handheld lid of blackboard eraser, wherein: the dust collection structure is arranged in the handheld cover of the blackboard eraser and comprises a dust suction pipe, a dust storage cavity, a flow channel, a motor, a fan, an air outlet and a battery, wherein the inlet end of the dust suction pipe is arranged on the lower surface of the handheld cover of the blackboard eraser and is arranged around a sponge body, the outlet end of the dust suction pipe is communicated with the lower end of the dust storage cavity, the upper end of the dust storage cavity is connected with the flow channel, the fan is arranged in the flow channel and is connected with the motor, the battery is connected with the motor, the air outlet is arranged at the rear end of the flow channel, and the motor can drive the fan to rotate to enable air to enter from the dust suction pipe and flow out from the air outlet after passing through the dust storage cavity and the flow channel. The utility model discloses simple structure uses, can effectively adsorb the blackboard dust.

Description

Blackboard eraser with automatic dust absorption function

Technical Field

The utility model belongs to the technical field of teaching equipment, especially, relate to blackboard eraser with automatic dust absorption function.

Background

The blackboard eraser is a common article in teaching, and is widely applied to blackboard writing due to low cost and convenient use of chalk, so that other articles are difficult to replace. However, after the chalk is used, a large amount of powder exists, and especially when the chalk is used for erasing a blackboard, dust flies, so that the health of teachers and students is greatly influenced.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving the problem mentioned in the background art and providing a blackboard eraser with an automatic dust suction function.

In order to realize the technical purpose, the utility model discloses the technical scheme who takes does:

blackboard eraser with automatic dust absorption function, including handheld lid of blackboard eraser, the cavernosum that is used for wiping the blackboard is installed to the lower extreme of handheld lid of blackboard eraser, wherein: the dust collection structure is arranged in the handheld cover of the blackboard eraser and comprises a dust suction pipe, a dust storage cavity, a flow channel, a motor, a fan, an air outlet and a battery, wherein the inlet end of the dust suction pipe is arranged on the lower surface of the handheld cover of the blackboard eraser and is arranged around a sponge body, the outlet end of the dust suction pipe is communicated with the lower end of the dust storage cavity, the upper end of the dust storage cavity is connected with the flow channel, the fan is arranged in the flow channel and is connected with the motor, the battery is connected with the motor, the air outlet is arranged at the rear end of the flow channel, and the motor can drive the fan to rotate to enable air to enter from the dust suction pipe and flow out from the air outlet after passing through the dust storage cavity and the flow channel.

The utility model discloses a further optimization scheme does:

the powder storage cavity comprises a lower storage area and an upper storage channel, the lower storage area and the upper storage channel are separated by a baffle plate, a gap is formed between the rear end of the baffle plate and the side wall of the powder storage cavity, the front end of the lower storage area is connected with a powder suction pipe, the rear end of the upper storage channel is connected with a flow channel, and dust-containing air entering the lower storage area enters the upper storage channel through the gap between the baffle plate and the powder storage cavity, so that part of dust falls into the lower storage area and is accumulated.

The upper storage channel is a V-shaped channel.

The filter screen is arranged at the joint of the upper storage channel and the flow channel, and can block dust so that the dust cannot enter the flow channel.

The blackboard eraser is characterized in that a pressure sensing plate is arranged in the sponge body and used for sensing pressure applied to the sponge body, an inertial sensor is arranged in the handheld cover of the blackboard eraser and used for sensing movement of the blackboard eraser, a processor is arranged in the handheld cover of the blackboard eraser and connected with the pressure sensing plate and the inertial sensor respectively and used for receiving information of the pressure sensing plate and the inertial sensor and further connected with a battery and a motor, electric power is obtained from the battery, and the motor is controlled to operate.

The processor is a single chip microcomputer.

The battery cover is arranged on the handheld cover of the blackboard eraser, the position of the battery cover corresponds to the position of the battery, and the battery can be taken out of the handheld cover of the blackboard eraser by opening the battery cover.

The battery is a dry battery or a lithium battery.

The utility model has the advantages of it is following:

1. the utility model discloses a set up dust collection structure in the blackboard eraser, can be when erasing the blackboard, the dust that the blackboard produced is erased in the direct absorption.

2. The utility model discloses divide into down the storage area and go up the storage passageway with storing up the powder chamber, through the design to storing up the powder chamber, can show the stroke that increases the dust in storing up the powder chamber, and then make a large amount of dusts fall down in the storage area, only store up the passageway on small part gets into to reduce filter screen operating pressure.

3. The utility model discloses a set up pressure sensing board and inertial sensor, make the treater can control the motor function, when using the blackboard eraser to wipe the blackboard, the motor can be opened to the motor, makes the blackboard eraser adsorb the dust that flies.

Drawings

Fig. 1 is a schematic view of the external structure of the present invention;

FIG. 2 is a schematic view of the internal structure of FIG. 1;

FIG. 3 is a rear view of FIG. 1;

fig. 4 is a bottom view of fig. 1.

The label names in the figure: the blackboard eraser comprises a handheld cover 1 of the blackboard eraser, a sponge body 2, a dust collection structure 3, a powder suction pipe 31, a powder storage cavity 32, a lower storage area 32a, an upper storage channel 32b, a blocking plate 32c, a flow channel 33, a motor 34, a fan 35, an air outlet 36, a battery 37, a filter screen 38, a pressure sensing plate 4, an inertial sensor 5, a processor 6 and a battery cover 7.

Detailed Description

Embodiments of the present invention are described in further detail below with reference to the accompanying drawings.

The blackboard eraser with automatic dust absorption function of this embodiment, including handheld lid 1 of blackboard eraser, the cavernosum 2 that is used for wiping the blackboard is installed to the lower extreme of handheld lid 1 of blackboard eraser, wherein: the dust collection structure 3 is arranged in the handheld blackboard eraser cover 1, the dust collection structure 3 comprises a powder suction pipe 31, a powder storage cavity 32, a flow channel 33, a motor 34, a fan 35, an air outlet 36 and a battery 37, an inlet end of the powder suction pipe 31 is arranged on the lower surface of the handheld blackboard eraser cover 1 and surrounds the sponge body 2, an outlet end of the powder suction pipe 31 is communicated with the lower end of the powder storage cavity 32, the upper end of the powder storage cavity 32 is connected with the flow channel 33, the fan 35 is installed in the flow channel 33, the fan 35 is connected with the motor 34, the battery 37 is connected with the motor 34, the air outlet 36 is arranged at the rear end of the flow channel 33, and the motor 34 can drive the fan 35 to rotate, so that air enters from the powder suction pipe 31 and flows out from the air outlet 36 after passing through the powder storage cavity 32 and the flow channel 33.

In one embodiment, the powder storage chamber 32 includes a lower storage area 32a and an upper storage channel 32b, the lower storage area 32a and the upper storage channel 32b are separated by a blocking plate 32c, a gap is formed between the rear end of the blocking plate 32c and the sidewall of the powder storage chamber 32, the front end of the lower storage area 32a is connected to the powder suction pipe 31, the rear end of the upper storage channel 32b is connected to the flow channel 33, and the dust-containing air entering the lower storage area 32a enters the upper storage channel 32b through the gap between the blocking plate 32c and the powder storage chamber 32, so that a part of the dust falls into the lower storage area 32a and is accumulated.

In the embodiment, the upper storage passage 32b is a V-shaped passage.

In the embodiment, a filter 38 is installed at the connection position of the upper storage channel 32b and the flow channel 33, and the filter 38 can block dust from entering the flow channel 33.

In the embodiment, a pressure sensing plate 4 is arranged in the sponge body 2, the pressure sensing plate 4 is used for sensing the pressure applied to the sponge body 2, an inertial sensor 5 is arranged in the blackboard eraser handheld cover 1, the inertial sensor 5 is used for sensing the movement of the blackboard eraser, a processor 6 is arranged in the blackboard eraser handheld cover 1, the processor 6 is respectively connected with the pressure sensing plate 4 and the inertial sensor 5 and receives the information of the two, the processor 6 is further connected with a battery 37 and a motor 34, obtains power from the battery 37, and controls the motor 34 to operate.

In the embodiment, the processor 6 is a single chip microcomputer.

In the embodiment, a battery cover 7 is arranged on the blackboard eraser handheld cover 1, the position of the battery cover 7 corresponds to the position of the battery 37, and the battery 37 can be taken out of the blackboard eraser handheld cover 1 by opening the battery cover 7.

In the embodiment, the battery 37 is a dry cell battery or a lithium battery.

The utility model discloses a blackboard eraser can open through manual control motor 34 when using, also can be through treater 6 automatic control.

In this embodiment, the automatic control of the processor 6 is taken as an example to explain the workflow of the blackboard eraser. When the blackboard eraser is not used, the blackboard eraser is placed on a desk, the sponge body 2 is in contact with the desk, and pressure is generated on the pressure sensing plate 4, so that whether the blackboard eraser is used for erasing a blackboard or not cannot be judged only by the pressure sensing plate 4. The utility model discloses a pressure sensing board 4 response cavernosum 2 receives the pressure when, whether rock through inertial sensor 5 response blackboard eraser, if the cavernosum 2 of blackboard eraser not only receives pressure, still rock, then judge that the blackboard eraser is in erasing the blackboard, motor 34 functions, make and form the air current in the blackboard eraser, the air current flow direction is for inhaling powder pipe 31, store up powder chamber 32, flow channel 33 and air outlet 36, because inhale powder pipe 31 opening as shown in figure 4, set up around cavernosum 2, therefore, the dust that the blackboard eraser produced all can be inhaled and inhale in inhaling powder pipe 31, partly direct deposit is in lower reservoir 32a, partly through storing up behind passageway 32b, blocked by filter screen 38, finally also can fall back to lower reservoir 32a, air after being purified by filter screen 38 flows out from flow channel 33 and air outlet 36, therefore, the blackboard eraser has accomplished the absorption to the dust. The side of the lower storage area 32a is provided with a closable door, and dust in the lower storage area 32a can be cleaned by opening the door.

Above only the utility model discloses an it is preferred embodiment, the utility model discloses a scope of protection not only limits in above-mentioned embodiment, and the all belongs to the utility model discloses a technical scheme under the thinking all belongs to the utility model discloses a scope of protection. It should be noted that, for those skilled in the art, a plurality of modifications and decorations without departing from the principle of the present invention should be considered as the protection scope of the present invention.

Claims

1. Blackboard eraser with automatic dust absorption function, handheld lid (1) including the blackboard eraser, the lower extreme of handheld lid (1) of blackboard eraser install cavernosum (2) that are used for wiping the blackboard, characterized by: the blackboard eraser is characterized in that a dust collection structure (3) is arranged in the blackboard eraser handheld cover (1), the dust collection structure (3) comprises a powder suction pipe (31), a powder storage cavity (32), a flow channel (33), a motor (34), a fan (35), an air outlet (36) and a battery (37), the inlet end of the powder suction pipe (31) is arranged on the lower surface of the blackboard eraser handheld cover (1) and surrounds the sponge body (2), the outlet end of the powder suction pipe (31) is communicated with the lower end of the powder storage cavity (32), the upper end of the powder storage cavity (32) is connected with the flow channel (33), the fan (35) is arranged in the flow channel (33), the fan (35) is connected with the motor (34), the battery (37) is connected with the motor (34), the air outlet (36) is arranged at the rear end of the flow channel (33), the motor (34) can drive the fan (35) to rotate, so that air enters from the powder suction pipe (31), flows out of the air outlet (36) after passing through the powder storage cavity (32) and the flow channel (33).

2. The blackboard eraser with the automatic dust absorption function as claimed in claim 1, wherein: the powder storage cavity (32) comprises a lower storage area (32a) and an upper storage channel (32b), the lower storage area (32a) and the upper storage channel (32b) are separated by a blocking plate (32c), a gap is formed between the rear end of the blocking plate (32c) and the side wall of the powder storage cavity (32), the front end of the lower storage area (32a) is connected with a powder suction pipe (31), the rear end of the upper storage channel (32b) is connected with a flow channel (33), and dust-containing air entering the lower storage area (32a) enters the upper storage channel (32b) through the gap between the blocking plate (32c) and the powder storage cavity (32), so that part of dust falls on the lower storage area (32a) to be accumulated.

3. The blackboard eraser with the automatic dust absorption function as claimed in claim 2, wherein: the upper storage channel (32b) is a V-shaped channel.

4. The blackboard eraser with the automatic dust absorption function as claimed in claim 3, wherein: go up store up passageway (32b) and flow channel (33) junction install filter screen (38), filter screen (38) can block the dust, make it unable entering flow channel (33).

5. The blackboard eraser with the automatic dust absorption function as claimed in claim 4, wherein: sponge body (2) in be provided with pressure sensing board (4), pressure sensing board (4) be used for responding to the pressure that sponge body (2) received, the handheld lid of blackboard eraser (1) in install inertial sensor (5), inertial sensor (5) be used for responding to the removal of blackboard eraser, handheld lid of blackboard eraser (1) in install treater (6), treater (6) be connected with pressure sensing board (4) and inertial sensor (5) respectively, and receive the information of the two, treater (6) still be connected with battery (37) and motor (34) to obtain electric power from battery (37), control motor (34) function.

6. The blackboard eraser with the automatic dust absorption function as claimed in claim 5, wherein: the processor (6) is a singlechip.

7. The blackboard eraser with the automatic dust absorption function as claimed in claim 6, wherein: a battery cover (7) is arranged on the handheld cover (1) of the blackboard eraser, the position of the battery cover (7) corresponds to that of the battery (37), and the battery (37) can be taken out of the handheld cover (1) of the blackboard eraser by opening the battery cover (7).

8. The blackboard eraser with the automatic dust absorption function as claimed in claim 7, wherein: the battery (37) is a dry battery or a lithium battery.