CN210174492U

CN210174492U - Automatic dust-absorbing blackboard eraser device

Info

Publication number: CN210174492U
Application number: CN201920802883.6U
Authority: CN
Inventors: Yanming Wang; 王颜明; Xinwei Fu; 付新玮; Jiayi Mao; 毛佳艺
Original assignee: Tarim University
Current assignee: Tarim University
Priority date: 2019-05-30
Filing date: 2019-05-30
Publication date: 2020-03-24
Anticipated expiration: 2029-05-30

Abstract

The utility model discloses an automatic dust absorption blackboard eraser device relates to blackboard eraser technical field. Including casing and brush base, the top of casing is provided with the brush base, and the inside fixed mounting of casing has the dust absorption motor, and the fixed curved surface fan that is provided with of output shaft of dust absorption motor, the top activity of curved surface fan are provided with the set casing, and the top of set casing is provided with the filter plate, and the fixed brush base that is provided with in top of filter plate, the through-hole has been seted up to the bottom of casing. The automatic dust collection blackboard eraser device has the advantages that the dust collection motor serves as a main internal dust collection device of the blackboard eraser, the attraction force is strong, the noise is low, after the blackboard eraser is powered on, the dust collection motor can start to work and suck dust in air into the blackboard eraser, meanwhile, the blackboard eraser utilizes the strong attraction force provided by the dust collection motor instead of directly using a dust collection pipeline, so that the dust collection effect cannot be influenced due to long-term use of the dust collection pipeline, and the dust collection effect is improved.

Description

Automatic dust-absorbing blackboard eraser device

Technical Field

The utility model relates to a blackboard eraser technical field specifically is an automatic dust absorption blackboard eraser device.

Background

Since education, the blackboard eraser accompanies teachers and students to walk for countless years, although dust generated by erasing the blackboard can cause certain harm to the breathing of the teachers and the students in front row, the blackboard eraser is widely used in teaching, the existing common blackboard eraser is simple in structure and generally has a rectangular structure, and in the actual use process, the dust of the teachers or students flies in the erasing process and is sucked into the lungs to cause harm to the bodies, so that the using effect is common.

The design of the automatic dust-absorbing blackboard is designed originally for reducing the secondary diffusion of dust brought by the blackboard eraser to the utmost extent, wherein the key problem to be solved is about the absorption of dust and the secondary diffusion of dust prevention, therefore, the scheme starts with the reform and innovation of the traditional blackboard eraser, and the problems of the inevitable dust flying of chalk and the unabsorbed dust in the blackboard eraser are solved by the automatic dust-absorbing blackboard eraser adopting the negative pressure dust-absorbing principle function, so that the dust-absorbing effect is greatly improved.

SUMMERY OF THE UTILITY MODEL

Technical problem to be solved

To the deficiency of the prior art, the utility model provides an automatic dust absorption blackboard eraser device to solve the problem that provides among the above-mentioned background art.

(II) technical scheme

In order to realize the good purpose of the dust absorption effect, the utility model provides a following technical scheme: the utility model provides an automatic dust absorption blackboard eraser device, includes casing and brush base, the top of casing is provided with the brush base, the inside fixed mounting of casing has the dust absorption motor, the fixed curved surface fan that is provided with of output shaft of dust absorption motor, the top activity of curved surface fan is provided with the set casing, the top of set casing is provided with the filter plate, the fixed brush base that is provided with in top of filter plate, the through-hole has been seted up to the bottom of casing, the inside activity of through-hole is provided with the movable rod, the fixed piston that is located the casing inside that is provided with of one end of movable rod, the one end activity that the movable rod was kept away from to the piston is provided with the water tank, the top fixedly connected with filter plate.

As an optimal technical scheme of the utility model, be provided with the connecting plate between curved surface fan and the dust absorption motor, and the bottom fixedly connected with of connecting plate is located the power supply battery of dust absorption motor one side.

As a preferred technical scheme of the utility model, the fixed orifices has been seted up on the brush base, the ventilation hole has all been seted up on set casing and the filter plate, and the ventilation hole is located the fixed orifices under, fixed orifices, ventilation hole and curved surface fan are located same plumb line.

As an optimized technical scheme of the utility model, the bleeder vent has been seted up on the surface of brush base, and is provided with the filter plate under the bleeder vent.

As a preferred technical scheme of the utility model, the one end that the piston was kept away from to the spray pipe extends to the outside of casing, the fixed slot has been seted up to one side of casing, and the inside swing joint of fixed slot has the spray pipe.

As an optimal technical scheme of the utility model, the brush base includes air filter and dust filter, and the dust filter has adopted the preparation that contains the cotton flannel bag, and air filter is double-deck sponge.

(III) advantageous effects

Compared with the prior art, the utility model provides an automatic dust absorption blackboard eraser device possesses following beneficial effect:

1. the automatic dust collection blackboard eraser device has the advantages that the dust collection motor serves as a main internal dust collection device of the blackboard eraser, the attraction force is strong, the noise is low, after the blackboard eraser is powered on, the dust collection motor can start to work and suck dust in air into the blackboard eraser, meanwhile, the blackboard eraser utilizes the strong attraction force provided by the dust collection motor instead of directly using a dust collection pipeline, so that the dust collection effect cannot be influenced due to long-term use of the dust collection pipeline, and the dust collection effect is improved.

2. The automatic dust collection blackboard eraser device is simple in structure, reduces the complex structure of a common dust collector, and is small in size, small in occupied space and convenient to carry.

3. This automatic dust absorption blackboard eraser device increases the water tank, when not flying by the inspiratory dust, and the manual piston of pressing passes through spray pipe water spray, reaches the clean effect of secondary, further improves dust removal effect, and the curved surface fan is rotatory simultaneously forms the negative pressure, makes the dust get into the internal of casing, reaches the purpose of dust absorption.

Drawings

FIG. 1 is a schematic structural view of the present invention;

fig. 2 is a bottom view of the structure of the present invention;

fig. 3 is an explosion diagram of the structure of the present invention.

In the figure: 1. a housing; 101. fixing grooves; 102. a through hole; 2. a brush base; 201. a fixing hole; 3. a dust collection motor; 4. a connecting plate; 5. a curved fan; 6. a stationary case; 7. a power supply battery; 8. filtering the plate; 9. a movable rod; 10. a piston; 11. a water spray pipe; 12. a water tank.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-3, an automatic dust-absorbing blackboard eraser apparatus includes a casing 1 and a brush base 2, the brush base 2 is disposed on the top of the casing 1, a dust-absorbing motor 3 is fixedly mounted inside the casing 1, the dust-absorbing motor 3 is a small motor, a curved fan 5 is fixedly disposed on an output shaft of the dust-absorbing motor 3, a stationary housing 6 is movably disposed on the top of the curved fan 5, a filter plate 8 is disposed on the top of the stationary housing 6, the brush base 2 is fixedly disposed on the top of the filter plate 8, a through hole 102 is disposed at the bottom of the casing 1, a movable rod 9 is movably disposed inside the through hole 102, a piston 10 disposed inside the casing 1 is fixedly disposed at one end of the movable rod 9, a water tank 12 is movably disposed at one end of the piston 10 far from the movable rod 9, and the filter plate 8 is fixedly, the bottom of the piston 10 is fixedly connected with a spray pipe 11.

Specifically, a connecting plate 4 is arranged between the curved-surface fan 5 and the dust collection motor 3, and a power supply battery 7 located on one side of the dust collection motor 3 is fixedly connected to the bottom of the connecting plate 4.

In this embodiment, the power supply battery 7 is mainly used for providing power for the dust collection motor 3, and meanwhile, the connecting plate 4 is matched with the fixing shell 6 to form a dust channel, and a dust collection box is arranged on one side of the dust channel and used for conducting and collecting dust.

Specifically, the brush base 2 is provided with a fixing hole 201, the fixing shell 6 and the filter plate 8 are provided with a vent hole, the vent hole is located under the fixing hole 201, and the fixing hole 201, the vent hole and the curved surface fan 5 are located on the same vertical line.

In this embodiment, the curved fan 5 rotates to form a negative pressure, so that the dust enters the body of the housing 1, thereby achieving the purpose of dust collection.

Specifically, the surface of the brush base 2 is provided with air holes, and a filter plate 8 is arranged right below the air holes.

In this embodiment, the curved fan 5 rotates to form a negative pressure, so that the dust enters the body of the housing 1 through the ventilation holes.

Specifically, one end of the spray pipe 11, which is far away from the piston 10, extends to the outside of the housing 1, a fixing groove 101 is formed in one side of the housing 1, and the spray pipe 11 is movably connected inside the fixing groove 101.

In this embodiment, a water tank 12 is added, and when a small amount of dust which is not sucked flies, the movable rod 9 is manually pressed to drive the piston 10 to press the water in the water tank 12, and the water sprays water mist outwards through the water spray pipe 11 to play a role in dust reduction.

Specifically, brush base 2 includes air filter and dust filter, and the dust filter has adopted the preparation that contains the cotton flannel bag, and the main objective is the filterable inspiratory dust, so higher to its gas permeability, very light inhales the dust completely, and the air filter is double-deck sponge, and the purpose is for storing temporarily the dust of inhaling in the box, has adopted double-deck sponge to guarantee the circulation of air, prevents that the dust from losing or spilling.

The utility model discloses a theory of operation and use flow: starting the dust collection motor 3, the dust collection motor 3 can start working, the curved surface fan 5 rotates to form negative pressure, under the driving of the dust collection motor 3, dust is sucked into the dust collection box inside the shell 1 by the negative pressure principle, the water tank 12 is additionally arranged, when a small amount of dust which is not sucked flies, the movable rod 9 is manually pressed, the piston 10 is driven to press water in the water tank 12, the water sprays water mist outwards through the water spray pipe 11 to play a role in dust fall, the dust is sucked into the dust collection box inside the shell 1 again under the action of the negative pressure, the secondary cleaning effect is achieved, the cleaned dust is concentrated in the box, and the dust is cleaned regularly and is easy to clean.

To sum up, the automatic dust-absorbing blackboard eraser device has the characteristics of strong attraction and low noise, after being electrified, the dust-absorbing motor 3 can start working to absorb dust in the air into the blackboard eraser, and meanwhile, the blackboard eraser utilizes the strong attraction provided by the dust-absorbing motor 3 instead of directly using a dust-absorbing pipeline, so that the dust-absorbing effect cannot be influenced due to the long-term use of the dust-absorbing pipeline, thereby improving the dust-absorbing effect, having simple structure, reducing the complicated structure of a common dust collector, having small volume, small occupied space and convenient carrying, bringing great convenience for teachers teaching and students' classroom, bringing a clean and bright learning environment with fresh air in classrooms, and even experiments show that the novel automatic dust-absorbing blackboard eraser is used, the dust removal rate reaches more than 94 percent.

It should be noted that, in this document, terms such as "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising an … …" does not exclude the presence of other identical elements in a process, method, article, or apparatus that comprises the element.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides an automatic dust absorption blackboard eraser device, includes casing (1) and brush base (2), its characterized in that: the dust collection device is characterized in that a brush base (2) is arranged at the top of the shell (1), a dust collection motor (3) is fixedly arranged inside the shell (1), a curved surface fan (5) is fixedly arranged on an output shaft of the dust collection motor (3), a fixed shell (6) is movably arranged at the top of the curved surface fan (5), a filter plate (8) is arranged at the top of the fixed shell (6), the brush base (2) is fixedly arranged at the top of the filter plate (8), a through hole (102) is formed in the bottom of the shell (1), a movable rod (9) is movably arranged inside the through hole (102), a piston (10) positioned inside the shell (1) is fixedly arranged at one end of the movable rod (9), a water tank (12) is movably arranged at one end, far away from the movable rod (9), of the piston (10), and the filter plate (8) is, the bottom of the piston (10) is fixedly connected with a water spray pipe (11).

2. An automatic dust-absorbing blackboard eraser apparatus according to claim 1, wherein: a connecting plate (4) is arranged between the curved-surface fan (5) and the dust collection motor (3), and a power supply battery (7) located on one side of the dust collection motor (3) is fixedly connected to the bottom of the connecting plate (4).

3. An automatic dust-absorbing blackboard eraser apparatus according to claim 1, wherein: the fixed orifices (201) have been seted up on brush base (2), the ventilation hole has all been seted up on set casing (6) and filter plate (8), and the ventilation hole is located fixed orifices (201) under, fixed orifices (201), ventilation hole and curved surface fan (5) are located same vertical line.

4. An automatic dust-absorbing blackboard eraser apparatus according to claim 3, wherein: the surface of the brush base (2) is provided with air holes, and a filter plate (8) is arranged right below the air holes.

5. An automatic dust-absorbing blackboard eraser apparatus according to claim 1, wherein: one end, far away from piston (10), of spray pipe (11) extends to the outside of casing (1), fixed slot (101) have been seted up to one side of casing (1), and the inside swing joint of fixed slot (101) has spray pipe (11).

6. An automatic dust-absorbing blackboard eraser apparatus according to claim 1, wherein: the brush base (2) comprises an air filter sheet and a dust filter sheet, the dust filter sheet is made of a flannelette bag, and the air filter sheet is a double-layer sponge.