CN210390591U - Dust-absorbing humidifying magnetic blackboard eraser - Google Patents

Dust-absorbing humidifying magnetic blackboard eraser Download PDF

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Publication number
CN210390591U
CN210390591U CN201920328539.8U CN201920328539U CN210390591U CN 210390591 U CN210390591 U CN 210390591U CN 201920328539 U CN201920328539 U CN 201920328539U CN 210390591 U CN210390591 U CN 210390591U
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CN
China
Prior art keywords
dust
shell
air inlet
magnetic
blackboard eraser
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Expired - Fee Related
Application number
CN201920328539.8U
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Chinese (zh)
Inventor
尹玟
王善云
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Sichuan Deyang Middle School
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Sichuan Deyang Middle School
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Application filed by Sichuan Deyang Middle School filed Critical Sichuan Deyang Middle School
Priority to CN201920328539.8U priority Critical patent/CN210390591U/en
Application granted granted Critical
Publication of CN210390591U publication Critical patent/CN210390591U/en
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

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Abstract

The utility model discloses a dust-absorbing humidifying magnetic blackboard eraser, which comprises a shell and a brush surface arranged outside the shell, wherein a dust-absorbing part and a humidifying part are arranged in the shell, the dust-absorbing part comprises an air inlet channel, a rotary fan and a dust-collecting box, one end of the air inlet channel is communicated with the outside of the shell, the other end of the air inlet channel is communicated with the dust-collecting box, the rotary fan is arranged in the air inlet channel, an air outlet is arranged on the dust-collecting box, and a filter screen is; the humidifying component comprises a power fan, a water collecting box, a vibration piece and a mist outlet channel, wherein the water collecting box is provided with an air inlet and an air outlet, the vibration piece is arranged in the water collecting box, the motor fan is arranged at the air inlet, and the air outlet is communicated with the outside of the shell through the mist outlet channel. The utility model discloses an interior dust absorption part of establishing and humidification part's cooperation for the blackboard eraser is in the use, when utilizing the effectual control chalk dust of humidification part spun to fly upward everywhere, utilizes dust absorption part to realize the abundant absorption to the chalk dust, in order to reach the high-efficient processing of chalk dust.

Description

Dust-absorbing humidifying magnetic blackboard eraser
Technical Field
The utility model belongs to the teaching aid field, specific theory is a dust absorption humidification magnetic force blackboard eraser.
Background
Chalks and blackboards have been used up to now as the most conventional teaching means, but with the continuous progress of human education industry, people are gradually concerned about the occupational disease rate of teachers and the physical and mental health problems of students, wherein health hazards caused by chalk dust are becoming prominent day by day. In view of the harm of chalk dust, an improvement is made on a blackboard eraser, for example, a dust-absorbing blackboard eraser disclosed in the prior patent document CN208069214U (a dust-absorbing blackboard eraser, 2018.11.09) is composed of a casing and an eraser cloth, a dust collector and a filter sheet are arranged in the casing, when the blackboard eraser is used, the dust collector sucks flying chalk dust into the casing, clean air is obtained after dust is removed through the wetted filter sheet, and the situation that solid dust flies when chalk marks are erased by using the blackboard eraser is avoided. However, practice proves that the prior dust-absorbing blackboard eraser also has the following defects:
(1) when the blackboard eraser is used for erasing chalk marks, the miniature dust collector arranged in the shell can only absorb chalk dust flying in a short distance, and particularly, the flying problem of the chalk dust is not well controlled in the quick erasing process of the blackboard eraser;
(2) teachers need to continuously use a blackboard eraser to wipe and write blackboard writing in heavy teaching work, and diseases are easy to accumulate.
Based on the defects, the utility model provides a dust absorption humidification magnetic force blackboard eraser.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a dust absorption humidification magnetic force blackboard eraser is through the cooperation of the dust absorption part of establishing and humidification part for the blackboard eraser is in the use, when utilizing the effectual control chalk dust of humidification part spun to fly upward everywhere, utilizes dust absorption part to realize the abundant absorption to the chalk dust, in order to reach the high-efficient handling of chalk dust.
The utility model discloses a following technical scheme realizes: a dust-absorbing and humidifying magnetic blackboard eraser comprises a shell and a brush surface arranged outside the shell, wherein a dust-absorbing part and a humidifying part are arranged in the shell, the dust-absorbing part comprises an air inlet channel, a rotary fan and a dust-collecting box, one end of the air inlet channel is communicated with the outside of the shell, the other end of the air inlet channel is communicated with the dust-collecting box, the rotary fan is arranged in the air inlet channel, an air outlet is arranged on the dust-collecting box, and a filter screen is; the humidifying component comprises a power fan, a water collecting box, a vibration piece and a mist outlet channel, wherein the water collecting box is provided with an air inlet and an air outlet, the vibration piece is arranged in the water collecting box, the motor fan is arranged at the air inlet, and the air outlet is communicated with the outside of the shell through the mist outlet channel.
The casing is internally provided with a high-frequency oscillator for controlling the oscillation piece, the power fan and the high-frequency oscillator are arranged in series, and the casing is provided with a humidifying switch for controlling the power fan and the high-frequency oscillator.
And a dust absorption switch for controlling the rotary fan is arranged on the shell.
The shell is provided with a mist outlet communicated with the mist outlet channel, and the mist outlet is positioned on one side of the shell provided with the brush surface.
The blackboard is characterized in that a magnetic component is arranged in the shell, a magnetic body matched with the magnetic component is arranged in the blackboard, and the magnetic component consists of an iron core and an electrified coil wound on the iron core.
And a magnetic switch for controlling the energization of the energizing coil is arranged on the shell.
The shell is provided with a clamping groove, a telescopic rod is arranged in the clamping groove, and the telescopic rod is made of metal or plastic materials.
Compared with the prior art, the utility model, following advantage and beneficial effect have:
(1) the utility model discloses can realize the high-efficient processing of chalk dust, in the blackboard eraser use, because the restriction of current dust absorption blackboard eraser dust absorption ability, in the use of blackboard eraser, can not reach abundant absorption at chalk dust all around to flying upward, for this reason, the utility model provides a can realize blackboard eraser of chalk dust high-efficient processing, through set up the humidification part in its casing, during the use, utilize humidification part spun cold mist to clean the chalk dust that produces to the blackboard eraser the very first time and humidify, control chalk dust flies upward, recycles dust absorption part simultaneously and absorbs this chalk dust, simple structure and easy realization.
(2) The utility model relates to a rationally, the humidification part that relates adopts the cold fog heating methods of ultrasonic wave, vibrates the piece vibration through high frequency oscillator control, produces 2 kilohertz's ultrasonic wave during vibration piece vibration, and the water in the water-collecting box produces water smoke under ultrasonic wave's effect, and power fan rotates and makes the filterable air of dust-collecting box get into the water-collecting box, and after contacting with water smoke, convert the cold fog blowout to reach the humidification effect to the chalk dust.
(3) For the work efficiency who improves the blackboard eraser, the utility model discloses still be provided with the magnetic force part, iron core and the electrical coil through simple electromagnetic principle design make it produce magnetic force, cooperate with the magnetic material (like iron, nickel etc.) in the blackboard simultaneously, multiplicable blackboard eraser in the motion process with the frictional force of blackboard, have the effect that improves work efficiency.
(4) For reducing teacher or student's intensity of labour, the utility model discloses be provided with the telescopic link that metal or plastics material made outside the casing, the telescopic link can design into automatic flexible mode to convenient to use.
Drawings
Fig. 1 is a schematic structural diagram of the present invention.
Fig. 2 is a schematic view of the internal structure of the present application.
The air conditioner comprises a shell, a brush face, an air inlet channel, a rotating fan, a dust collecting box, an air outlet, a filter screen, a power fan, a water collecting box, an air inlet, a high-frequency oscillator, a humidifying switch, a dust collecting switch, a magnetic component and a magnetic switch, wherein the shell is 1, the brush face is 2, the air inlet channel is 3, the rotating fan is 4, the dust collecting box is 5, the air outlet is 6, the filter screen is 7, the power fan is 8, the water collecting box is 9.
Detailed Description
The present invention will be described in further detail with reference to examples, but the present invention is not limited thereto.
Example (b):
the embodiment provides a dust-absorbing humidifying magnetic blackboard eraser.
As shown in the structure of fig. 1 and 2, the blackboard eraser is composed of a shell 1 and a brush surface 2 arranged outside the shell 1, wherein a dust absorption part, a humidifying part and a magnetic part 14 are arranged in the shell 1, and when the blackboard eraser is used, the dust absorption part is used for absorbing falling chalk dust; the humidifying component can increase the air humidity, so that excessive flying of chalk dust can be avoided, most of the chalk dust can fall down after humidification, and the dust collection component can adsorb the chalk dust conveniently; the magnetic component 14 can generate magnetic force and is matched with magnetic substances (such as iron, nickel and the like) in the blackboard, so that the friction force between the blackboard eraser and the blackboard in the moving process can be increased, and the working efficiency of the blackboard eraser is improved.
In this embodiment, the dust collection component is composed of an air inlet channel 3, a rotary fan 4 and a dust collection box 5, one end of the air inlet channel 3 is communicated with the outside of the casing 1, the other end is communicated with the dust collection box 5, the rotary fan 4 is arranged in the air inlet channel 3, a dust collection switch 13 for controlling the rotary fan 4 is arranged on the casing 1, after the dust collection switch 13 is opened, the rotary fan 4 rotates and generates negative pressure, chalk dust and air outside the casing 1 are sucked into the dust collection box 5 through the air inlet channel 3, the chalk dust is filtered by a filter screen 7 of the dust collection box 5, and clean air is sent out through an air outlet 6 of the dust collection box. The humidifying component is composed of a power fan 8, a water collecting box 9, a high-frequency oscillator 11, an oscillating piece and a mist outlet channel, the water collecting box 9 is provided with an air inlet 10 and an air outlet, the oscillating piece is arranged in the water collecting box 9, the motor fan is arranged at the air inlet 10, the air outlet is communicated with the outside of the shell 1 through the mist outlet channel, the power fan 8 and the high-frequency oscillator 11 are arranged in series, the shell 1 is provided with a humidifying switch 12 for controlling the power fan 8 and the high-frequency oscillator 11, when in use, the humidifying switch 12 is turned on, the power fan 8 and the high-frequency oscillator 11 are started, the high-frequency oscillator 11 controls the oscillating piece to vibrate, 2 MHz ultrasonic waves are generated when the oscillating piece vibrates, water in the water collecting box 9 generates water mist under the action of the ultrasonic waves, clean air filtered by the dust collecting box 5 enters the water collecting box 9 by the rotation of the power fan, in order to achieve the function of humidifying chalk dust, in order to improve the humidifying efficiency, a fog outlet which is arranged on the shell 1 and is communicated with a fog outlet channel is arranged on one side of the shell 1 provided with the brush surface 2. The magnetic component 14 is used in cooperation with a magnetic body in the blackboard and comprises an iron core and an electrified coil wound on the iron core, and a magnetic switch 15 is arranged on the shell 1 to control the on/off of the electrified coil.
The utility model discloses when in actual use, can adopt the battery as the power, voltage control can produce magnetic force after adopting 14 circular telegrams of magnetic force part because of adopting 14 circular telegrams of magnetic force part, can avoid the influence of magnetic force at the outer cladding insulation system of dust absorption part and humidification part's rotary fan 4, power fan 8 and high frequency oscillator 11 isotructures. Simultaneously, for reducing teacher or student's intensity of labour, this embodiment still is provided with the telescopic link that metal or plastics material made outside casing 1, and the telescopic link is fixed through the outer draw-in groove of casing 1, also can further use the screw to fix, and during the use, the telescopic link can be designed into automatic flexible mode, more facilitates the use.
The above is only the preferred embodiment of the present invention, not to the limitation of the present invention in any form, all the technical matters of the present invention all fall into the protection scope of the present invention to any simple modification and equivalent change of the above embodiments.

Claims (6)

1. A dust absorption humidification magnetic force blackboard eraser which is characterized in that: the dust collection device comprises a shell (1) and a brush surface (2) arranged outside the shell (1), wherein a dust collection part and a humidification part are arranged in the shell (1), the dust collection part comprises an air inlet channel (3), a rotary fan (4) and a dust collection box (5), one end of the air inlet channel (3) is communicated with the outside of the shell (1), the other end of the air inlet channel is communicated with the dust collection box (5), the rotary fan (4) is arranged in the air inlet channel (3), an air outlet (6) is arranged on the dust collection box (5), and a filter screen (7) is arranged on the air outlet (6); the humidifying component comprises a power fan (8), a water collecting box (9), a vibration piece and a mist outlet channel, the water collecting box (9) is provided with an air inlet (10) and an air outlet, the vibration piece is arranged in the water collecting box (9), the motor fan is arranged at the air inlet (10), the air outlet is communicated with the outside of the shell (1) through the mist outlet channel,
the blackboard is characterized in that a magnetic component (14) is arranged in the shell (1), a magnetic body matched with the magnetic component (14) is arranged in the blackboard, and the magnetic component (14) consists of an iron core and an electrified coil wound on the iron core.
2. The dust-absorbing humidifying magnetic blackboard eraser as claimed in claim 1, wherein: the high-frequency vibration generator is characterized in that a high-frequency oscillator (11) for controlling a vibration piece is arranged in the shell (1), the power fan (8) and the high-frequency oscillator (11) are arranged in series, and a humidifying switch (12) for controlling the power fan (8) and the high-frequency oscillator (11) is arranged on the shell (1).
3. The dust-absorbing humidifying magnetic blackboard eraser as claimed in claim 1, wherein: and a dust collection switch (13) for controlling the rotary fan (4) is arranged on the shell (1).
4. The dust-absorbing humidifying magnetic blackboard eraser as claimed in claim 1, wherein: the shell (1) is provided with a mist outlet communicated with the mist outlet channel, and the mist outlet is positioned on one side of the shell (1) provided with the brush surface (2).
5. The dust-absorbing humidifying magnetic blackboard eraser as claimed in claim 1, wherein: and a magnetic switch (15) for controlling the energization of the energizing coil is arranged on the shell (1).
6. The dust-absorbing humidifying magnetic blackboard eraser as claimed in claim 1, wherein: the shell (1) is provided with a clamping groove, a telescopic rod is arranged in the clamping groove, and the telescopic rod is made of metal or plastic materials.
CN201920328539.8U 2019-03-15 2019-03-15 Dust-absorbing humidifying magnetic blackboard eraser Expired - Fee Related CN210390591U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201920328539.8U CN210390591U (en) 2019-03-15 2019-03-15 Dust-absorbing humidifying magnetic blackboard eraser

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201920328539.8U CN210390591U (en) 2019-03-15 2019-03-15 Dust-absorbing humidifying magnetic blackboard eraser

Publications (1)

Publication Number Publication Date
CN210390591U true CN210390591U (en) 2020-04-24

Family

ID=70337882

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201920328539.8U Expired - Fee Related CN210390591U (en) 2019-03-15 2019-03-15 Dust-absorbing humidifying magnetic blackboard eraser

Country Status (1)

Country Link
CN (1) CN210390591U (en)

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CF01 Termination of patent right due to non-payment of annual fee

Granted publication date: 20200424

CF01 Termination of patent right due to non-payment of annual fee