CN204451767U - A kind of Multifunctional dust collecting eraser - Google Patents

Abstract

The utility model discloses a multifunctional dust-absorbing blackboard eraser, which comprises a housing, a power supply module, a dust-absorbing fan, a micro-dust filter, a dust storage room, an erasing module, a laser emitter, a clock display and a dust-absorbing hole. The upper part of the housing is provided with a battery compartment, the battery compartment is provided with a power supply module, the inner cavity of the housing is provided with a dust suction fan on both sides, and the outer side of the housing is provided with an air outlet at a position corresponding to the dust suction fan. The multi-functional dust-absorbing blackboard eraser uses rechargeable batteries or dry batteries for power supply, and has two modes of USB charging and plug charging, which ensures the convenience of use. The blackboard eraser integrates a clock display, which is convenient for teachers to grasp the progress of the course. The blackboard eraser integrates The laser emitter is convenient for teachers to leave the podium and explain to the blackboard or multimedia screen. Due to the use of X-shaped wiper strips and a concave bottom plate with holes, the blackboard eraser can better form a vacuum negative pressure area during use, which can effectively Reduce chalk dust and improve classroom air.

Description

A multi-functional dust-absorbing blackboard eraser

technical field

The utility model relates to the field of teaching aids, in particular to a multifunctional dust-absorbing blackboard eraser.

Background technique

At present, when the manual blackboard eraser used in school classrooms is used, large dust particles will fall into the blackboard groove, and fine dust will fly randomly and be suspended in the air, endangering the health of teachers and students. The unreasonable structure of the vacuum area leads to poor vacuum effect.

Utility model content

The purpose of this utility model is to provide a multi-functional dust-absorbing blackboard eraser to solve the problems raised in the above-mentioned background technology.

In order to achieve the above purpose, the utility model provides the following technical solutions: a multi-functional dust-absorbing blackboard eraser, including a housing, a power supply module, a dust-absorbing fan, a dust filter, a dust storage room, an erasing module, a laser emitter, A clock display and a dust suction hole, a battery compartment is provided on the upper part of the housing, a power supply module is provided in the battery compartment, a dust suction fan is provided on both sides of the inner cavity of the housing, and the outside of the housing is connected to the dust suction fan. An air outlet is provided at the corresponding position, a laser emitter is installed on one side of the dust suction fan, a clock display and an erasing module are respectively provided at the top and bottom of the housing, and dust suction holes are arranged around the erasing module. A power switch, a laser transmitter switch and a charging interface are respectively installed on the outside of the housing, and the dust filter and the dust storage chamber are fixedly installed in the middle of the inner cavity of the housing.

Preferably, the erasing module is an embedded and detachable erasing module, the erasing module includes a wiping strip and a bottom plate, the wiping strip is an X-shaped wiping strip, and the bottom plate is an upper concave bottom plate with holes .

Preferably, the power supply module is a dual-purpose power supply module, and has two modes of USB charging and plug charging.

Preferably, the clock display is provided with an adjustment function module.

Compared with the prior art, the beneficial effects of the utility model are: the multi-functional dust-absorbing blackboard eraser has a suitable size for hand holding, modular design, convenient installation and disassembly, strong adsorption force, low noise during work, and can be used for power supply and charging. Battery or dry battery, and has two modes of USB charging and plug charging, which ensures the convenience of use. The blackboard eraser is integrated with a clock display, which is convenient for teachers to grasp the progress of the course. The blackboard eraser is integrated with a laser transmitter, which is convenient for teachers to leave the platform. Or multimedia screen explanation, because of the use of X-shaped wiper strips, the upper concave bottom plate with holes, can make the blackboard eraser better form a vacuum negative pressure area when in use, can effectively reduce chalk dust, and improve the classroom air.

Description of drawings

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

Fig. 2 is a partial schematic diagram of the utility model.

In the figure: 1 housing, 2 power supply module, 3 dust suction fan, 4 dust filter, 5 dust storage room, 6 erasing module, 61 wiping bar, 62 bottom plate, 7 laser transmitter, 8 clock display, 9 suction Dust holes, 10 air outlets.

Detailed ways

The technical solutions in the embodiments of the present invention will be clearly and completely described below in conjunction with the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of them. example. Based on the embodiments of the present utility model, all other embodiments obtained by persons of ordinary skill in the art without making creative efforts belong to the scope of protection of the present utility model.

Please refer to Figure 1-2, the utility model provides a technical solution: a multi-functional dust-absorbing blackboard eraser, including a housing 1, a power supply module 2, a dust-absorbing fan 3, a dust filter 4, a dust storage room 5, Erasing module 6, laser emitter 7, clock display 8 and dust suction hole 9, the upper part of housing 1 is provided with battery compartment, and battery compartment is provided with power supply module 2, and power supply module 2 is dual-purpose power supply module, and has There are two modes of USB charging and plug charging. The power supply uses rechargeable batteries or dry batteries, and has two modes of USB charging and plug charging, which ensures the convenience of use. There are dust suction fans 3 on both sides of the inner cavity of the housing 1, and the housing 1. An air outlet 10 is arranged on the outside corresponding to the dust suction fan 3. A laser emitter 7 is installed on one side of the dust suction fan 3. The blackboard eraser is integrated with the laser emitter 7, which is convenient for teachers to leave the platform and explain to the blackboard or multimedia screen. The top and bottom of the housing 1 are respectively provided with a clock display 8 and an erasing module 6. The clock display 8 is provided with an adjustment function module. The blackboard eraser integrates the clock display 8, which is convenient for teachers to grasp the course progress. Detachable erasing module, erasing module 6 comprises wiping strip 61 and bottom plate 62, and wiping strip 61 is X-shaped wiping strip, and bottom plate 62 is upper recessed bottom plate with holes, owing to adopting X-shaped wiping strip 61, it is convenient to remove filter storage Dust in the dust chamber 5, the upper concave bottom plate with holes can make the blackboard eraser better form a dust suction negative pressure area when in use, can effectively reduce chalk dust, and improve the air in the classroom. Dust hole 9, power switch, laser transmitter switch and charging interface are respectively installed on the outside of housing 1, dust filter 4 and dust storage chamber 5 are fixedly installed in the middle of the inner cavity of housing 1, when in use, push the power switch to ON , the dust suction fan 3 works, when wiping the blackboard, it absorbs fine dust. When the dust is full or the adsorption effect is weakened, the erasing module 6 can be removed to clean and filter the dust storage module. The dual-purpose power supply module 2 is used, and the top of the housing 1 There is a battery compartment, which can use rechargeable batteries or ordinary dry batteries, and has two modes of USB charging and plug charging. When charging, you need to turn the power switch to OFF. When using the laser transmitter 7 to assist teaching, you only need to press the jog switch .

Although the embodiments of the present invention have been shown and described, those skilled in the art can understand that various changes and modifications can be made to these embodiments without departing from the principle and spirit of the present invention , replacements and modifications, the scope of the present utility model is defined by the appended claims and their equivalents.

Claims (4)

1. a Multifunctional dust collecting eraser, comprise housing, supply module, dust absorption fan, micronic dust screen pack, dust-storage chamber, erasing module, generating laser, clock display and air suction opening, it is characterized in that: the top of described housing is provided with battery compartment, supply module is provided with in described battery compartment, described housing cavity both sides are provided with dust absorption fan, described hull outside and dust absorption fan correspondence position are provided with exhaust outlet, described dust absorption fan side is provided with generating laser, described housing tip and lower end are respectively equipped with clock display and erasing module, described erasing module surrounding is provided with air suction opening, described hull outside is separately installed with power switch, generating laser switch and charging inlet, described micronic dust screen pack and dust-storage chamber are fixedly mounted in the middle part of housing cavity.

2. a kind of Multifunctional dust collecting eraser according to claim 1, it is characterized in that: described erasing module is embedded and can wipes module by detachable, described erasing module comprises rub piece and base plate, and described rub piece is X-type rub piece, and described base plate is upper female drilled base plate.

3. a kind of Multifunctional dust collecting eraser according to claim 1, is characterized in that: described supply module is dual-purpose type supply module, and has USB charging and plug charges two kinds of patterns.

4. a kind of Multifunctional dust collecting eraser according to claim 1, is characterized in that: described clock display is provided with adjustment functional module.