CN211764564U

CN211764564U - Dust-absorbing blackboard eraser

Info

Publication number: CN211764564U
Application number: CN202020155977.1U
Authority: CN
Inventors: 周梦
Original assignee: Xian Siyuan University
Current assignee: Xian Siyuan University
Priority date: 2020-02-08
Filing date: 2020-02-08
Publication date: 2020-10-27
Anticipated expiration: 2030-02-08

Abstract

The utility model provides a dust-absorbing blackboard eraser. Dust absorption blackboard eraser includes: a large box body; the small box body is fixedly arranged on the inner wall of the bottom of the large box body; the dust collection mechanism is arranged on the large box body and the small box body; the discharge pipe is arranged on one side of the small box body, the small box body is communicated with the discharge pipe, and one end of the discharge pipe extends to the outside of the large box body; and the pipe cover is arranged on the discharge pipe in a threaded manner and is positioned outside the large box body. The utility model provides a have and to clean the higher position of blackboard, and can carry out effectual collection to the dust, reduce the advantage that wafts.

Description

Dust-absorbing blackboard eraser

Technical Field

The utility model relates to a blackboard eraser technical field especially relates to a dust absorption blackboard eraser.

Background

The blackboard eraser is a brush for erasing a blackboard, the blackboard erasing tool is generally made by adding flannelette or brown hair on a small rectangular board, the blackboard is not particularly specified to be a black board, the blackboard is a plane which can be repeatedly written by chalk in the traditional sense, the board is hard and is mostly used for teaching, the blackboard is generally made of boards or ground glass and the like, the blackboard can be written on the board by specific writing materials such as chalk and the like, most of the blackboard is black, dark green, white or beige, and the blackboard is coated on the surfaces of hard objects such as boards, cement and the like by black paint for more than two hundred years, and the surfaces of water mill glass, color coated steel plates and composite plates in the nineties years prove the one-step development of the world education industry, and are used for spreading knowledge, popularizing education and setting up the labor for sweat horse. The types of the existing blackboards also become complicated and diversified, and the blackboards are divided into blackboards, green boards and white boards in terms of color, flat boards and arc panels in terms of surface shape, support movable boards, push-pull boards, lifting boards and magnetic blackboards in terms of structural composition, and teaching blackboards, office whiteboards, advertising boards and display boards in terms of application.

The traditional blackboard eraser is easy to scatter dust in all directions in the process of erasing the blackboard, the effect is general, and the place with a high general position of the blackboard cannot be erased by people with low height, so that the blackboard eraser is inconvenient, and therefore, the dust absorption blackboard eraser is necessary to be provided for solving the technical problems.

SUMMERY OF THE UTILITY MODEL

The utility model provides a technical problem provide one kind can clean the higher position of blackboard, and can carry out effectual collection to the dust, reduce the dust absorption blackboard eraser that wafts.

In order to solve the technical problem, the utility model provides a dust absorption blackboard eraser, include: a large box body; the small box body is fixedly arranged on the inner wall of the bottom of the large box body; the dust collection mechanism is arranged on the large box body and the small box body; the discharge pipe is arranged on one side of the small box body, the small box body is communicated with the discharge pipe, and one end of the discharge pipe extends to the outside of the large box body; and the pipe cover is arranged on the discharge pipe in a threaded manner and is positioned outside the large box body.

Preferably, dust absorption mechanism includes micro-fan, goes out the tuber pipe, two intake pipes and two cover bodies, micro-fan sets up one side of little box body, just micro-fan with the bottom inner wall fixed connection of big box body, it is in to go out the tuber pipe setting one side of micro-fan, go out the tuber pipe with micro-fan is linked together, just the one end that goes out the tuber pipe extends to the outside of big box body, two the intake pipe sets up respectively the both sides of big box body, and two the one end of intake pipe all extends to the inside of little box body, two the cover body is fixed mounting respectively at the other end of two intake pipes, two the cover body all is located the outside of big box body.

Preferably, a filter screen is arranged in the small box body.

Preferably, the bottom of the large box body is provided with a plate wiper.

Compared with the prior art, the utility model provides a dust absorption blackboard eraser has following beneficial effect:

the utility model provides a dust absorption blackboard eraser, when erasing the blackboard, the blackboard eraser cloth can absorb a part of dust, micro fan bleeds, gaseous will follow the cover body, the intake pipe flows in little box body, discharge from the outlet duct at last through micro fan, the dust is through the further filtration of filter screen, the gas after being filtered is discharged through going out the tuber pipe, the dust that gets off by the filtration can discharge through the discharging pipe, the effectual dust in the air that has purified, reduce the harm of dust to health.

Drawings

Fig. 1 is a schematic structural view of a first embodiment of a dust-absorbing blackboard eraser provided by the present invention;

FIG. 2 is a schematic front cross-sectional view of the structure shown in FIG. 1;

fig. 3 is a schematic view of a second embodiment of the dust-absorbing blackboard eraser provided by the present invention.

Reference numbers in the figures: 1. big box body, 2, little box body, 3, filter screen, 4, micro-fan, 5, play tuber pipe, 6, intake pipe, 7, the cover body, 8, discharging pipe, 9, tube cap, 10, scrubbing cloth, 11, installation piece, 12, join pole, 13, connecting plate.

Detailed Description

The present invention will be further described with reference to the accompanying drawings and embodiments.

First embodiment

Referring to fig. 1-2, in a first embodiment of the present invention, a dust-absorbing blackboard eraser includes: a large box body 1; the small box body 2 is fixedly arranged on the inner wall of the bottom of the large box body 1; the dust collection mechanism is arranged on the large box body 1 and the small box body 2; the discharge pipe 8 is arranged on one side of the small box body 2, the small box body 2 is communicated with the discharge pipe 8, and one end of the discharge pipe 8 extends to the outside of the large box body 1; the pipe cover 9, the pipe cover 9 threaded mounting be in on the discharging pipe 8, just the pipe cover 9 is located outside the big box body 1.

Dust absorption mechanism includes micro-fan 4, goes out tuber pipe 5, two intake pipes 6 and two cover bodies 7, micro-fan 4 sets up one side of little box body 2, just micro-fan 4 with the bottom inner wall fixed connection of big box body 1, it is in to go out tuber pipe 5 setting one side of micro-fan 4, go out tuber pipe 5 with micro-fan 4 is linked together, just the one end that goes out tuber pipe 5 extends to the outside of big box body 1, two intake pipe 6 sets up respectively the both sides of big box body 1, and two the one end of intake pipe 6 all extends to the inside of little box body 2, two cover body 7 is fixed mounting respectively at the other end of two intake pipes 6, two cover body 7 all is located the outside of big box body 1.

A filter screen 3 is arranged in the small box body 2.

The bottom of the large box body 1 is provided with a board wiper 10.

The utility model provides a dust absorption blackboard eraser's theory of operation as follows:

be equipped with the battery in the big box body 1, the battery supplies power for micro fan 4, when the blackboard is wiped to needs, board wiping cloth 10 can absorb a part of dust, clean the in-process and can produce certain dust, start micro fan 4, micro fan 4 bleeds, gas will be from the cover body 7, intake pipe 6 flows into in the capsule body 2, discharge from outlet duct 5 at last through micro fan 4, micro fan 4 drives two cover bodies 7 and inhales into the dust that the in-process produced of cleaning, the dust enters into in intake pipe 6 through cover body 7, enter into capsule body 2 through intake pipe 6, and through the further filtration of filter screen 3, the gas after being filtered discharges through outlet duct 5, the dust that is filtered can discharge through discharging pipe 8, the effectual dust in the air that has purified, reduce the harm of dust to the health.

when wiping the blackboard, board wiping cloth 10 can absorb some dust, micro fan 4 bleeds, gas will be from the cover body 7, intake pipe 6 flows into little box 2, discharge from outlet duct 5 at last through micro fan 4, the dust passes through the further filtration of filter screen 3, the gas after being filtered is discharged through play tuber pipe 5, the dust that gets off by the filtration can be discharged through discharging pipe 8 and go, the effectual dust in the air that has purified, reduce the harm of dust to health.

Second embodiment:

based on the dust-absorbing blackboard eraser provided in the first embodiment of the application, a second embodiment of the application provides another dust-absorbing blackboard eraser. The second embodiment is merely a preferred way of the first embodiment, and the implementation of the second embodiment does not affect the implementation of the first embodiment alone.

The second embodiment of the present invention will be further explained with reference to the drawings and the embodiments.

Referring to fig. 3, the dust collection blackboard eraser further includes a mounting block 11, the mounting block 11 is fixedly mounted on the outer wall of the top of the large box body 1, an engaging rod 12 is threadedly mounted on the mounting block 11, and a connecting plate 13 is fixedly mounted at one end of the engaging rod 12.

A semicircular handle is fixedly arranged on one side of the connecting plate 13.

The mounting block 11 is provided with a groove, the inner wall of the groove is provided with an internal thread, the joint rod 12 is provided with an external thread, and the external thread of the joint rod 12 is screwed with the internal thread of the groove.

In the process of wiping the blackboard, some people are not tall enough, especially for younger students, if the wiping position is higher, the connecting rod 12 can be installed on the installation block 11 in a threaded mode, the semicircular handle and the connecting plate 13 are held for operation, and the blackboard eraser can adapt to people of different heights and is convenient to use.

The above only is the embodiment of the present invention, not limiting the scope of the present invention, all the equivalent structures or equivalent processes of the present invention are used in the specification and the attached drawings, or directly or indirectly applied to other related technical fields, and the same principle is included in the protection scope of the present invention.

Claims

1. A dust-absorbing blackboard eraser, comprising:

a large box body;

the small box body is fixedly arranged on the inner wall of the bottom of the large box body;

the dust collection mechanism is arranged on the large box body and the small box body;

the discharge pipe is arranged on one side of the small box body, the small box body is communicated with the discharge pipe, and one end of the discharge pipe extends to the outside of the large box body;

and the pipe cover is arranged on the discharge pipe in a threaded manner and is positioned outside the large box body.

2. The dust collection blackboard eraser according to claim 1, wherein the dust collection mechanism includes a micro fan, an air outlet pipe, two air inlet pipes and two cover bodies, the micro fan is disposed on one side of the small box body, the micro fan is fixedly connected with the inner wall of the bottom of the large box body, the air outlet pipe is disposed on one side of the micro fan, the air outlet pipe is communicated with the micro fan, one end of the air outlet pipe extends to the outside of the large box body, the two air inlet pipes are disposed on two sides of the large box body respectively, one ends of the two air inlet pipes extend to the inside of the small box body, the two cover bodies are fixedly mounted on the other ends of the two air inlet pipes respectively, and the two cover bodies are both located on the outside of the large box body.

3. The dust-absorbing blackboard eraser according to claim 1, wherein a filter screen is arranged inside the small box body.

4. The dust-absorbing blackboard eraser according to claim 1, wherein the bottom of the large box body is provided with a blackboard eraser cloth.

5. The dust-absorbing blackboard eraser as claimed in claim 1, further comprising a mounting block on the large box, wherein the mounting block is fixedly mounted on the outer wall of the top of the large box, the mounting block is threadedly mounted with an engaging rod, and one end of the engaging rod is fixedly mounted with a connecting plate.

6. The dust-absorbing blackboard eraser according to claim 5, wherein a semicircular handle is fixedly mounted on one side of the connecting plate.

7. The dust-absorbing blackboard eraser as claimed in claim 5, wherein the mounting block is provided with a groove, the inner wall of the groove is provided with an internal thread, the joint rod is provided with an external thread, and the external thread of the joint rod and the internal thread of the groove are mutually screwed.