CN216174505U - Blackboard erasing dust box - Google Patents
Blackboard erasing dust box Download PDFInfo
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- CN216174505U CN216174505U CN202122506681.7U CN202122506681U CN216174505U CN 216174505 U CN216174505 U CN 216174505U CN 202122506681 U CN202122506681 U CN 202122506681U CN 216174505 U CN216174505 U CN 216174505U
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- blackboard eraser
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Abstract
The utility model relates to the technical field of teaching aids, in particular to a blackboard erasing dust box which comprises a box body, a dust removing device and a dust collecting box, wherein the dust removing device is arranged in the box body, and the distance between the top of the dust removing device and the top of the box body is greater than the height of a blackboard eraser; the dust collecting box is positioned below the dust removing device and is connected with the bottom of the box body in a sliding manner. The blackboard erasing dust box has the advantages of simple structure, low manufacturing cost, high safety, simple and quick operation, time and labor saving, great convenience for teachers, schools or training institutions to use, no requirement on experience of users, capacity of containing the blackboard eraser, effective removal of chalk dust on the blackboard eraser, and prevention of pollution of the chalk dust to the environment and surrounding people. Therefore, the blackboard erasing dust box has wide market prospect, extremely high practical value and commercial value, and can be widely applied to the fields of education and teaching and the like.
Description
Technical Field
The utility model relates to the technical field of teaching aids, in particular to a blackboard erasing dust box.
Background
A writing mode of adding chalk on a blackboard is adopted in the traditional teaching, and although multimedia auxiliary teaching exists, the traditional blackboard writing teaching mode cannot be replaced in the teaching effect. Therefore, dust pollution caused by chalks is a problem which needs to be solved urgently.
Although the existing white board and white board pen can replace chalks and blackboards, in practical application, the problems of inconvenience in use, high cost, unclear writing and the like exist, and therefore the white board and white board pen is not widely popularized.
In the use process of the blackboard eraser, dust is diffused in all places in a classroom, the health of students and teachers is greatly damaged, the blackboard eraser is placed on a platform at will after being used, a fixed storage position is not provided, the dust in the blackboard eraser cannot be removed in time, and the dust collection function of the existing blackboard eraser is poor. On one hand, certain harm is brought to the health of teachers and students; on the other hand, because the chalk dust stuck on the felt of the blackboard eraser is very much, the next use effect is influenced, and the dust on the surface of the felt needs to be removed, most of the existing methods are mechanical beating dust, but not only can more dust be raised, but also the beating dust is not convenient to collect
Therefore, in view of the above problems, a blackboard eraser dust box capable of storing and removing dust in a blackboard eraser in time is a technical problem that needs to be solved by those skilled in the art.
SUMMERY OF THE UTILITY MODEL
The utility model aims to provide a blackboard erasing dust box which can effectively remove dust on a blackboard eraser.
The utility model provides a blackboard erasing dust box, which comprises a box body, a dust removing device and a dust collecting box,
the dust removal device is arranged in the box body, and the distance between the top of the dust removal device and the top of the box body is greater than the height of the blackboard eraser;
the dust collecting box is positioned below the dust removing device and is connected with the bottom of the box body in a sliding manner.
Furthermore, the dust removal device comprises a grid body formed by arranging transverse grids and longitudinal grids in a criss-cross mode.
Furthermore, dust removal holes are formed in the round tables at the intersection of the transverse grids and the longitudinal grids.
Furthermore, the end faces, close to the blackboard eraser, of the transverse grating and the end faces, close to the blackboard eraser, of the longitudinal grating are provided with brushes.
Further, the transverse grids and the longitudinal grids are criss-cross with each other and form a diamond or square structure.
Furthermore, the inner side surface of the box body is provided with dust collection cloth.
Further, the box cover is hinged to the box body.
Further, the bottom of box body is provided with the spout, the dust collect the box with spout sliding connection.
Further, a pull ring is arranged on the dust collection box.
Further, the bottom of the box body is provided with an adhesive layer.
Compared with the prior art, the blackboard erasing dust box has the following advantages:
the dust removing device and the dust collecting box are arranged in the box body of the blackboard erasing dust box, wherein the distance between the top of the dust removing device and the top of the box body is larger than the height of the blackboard eraser, the blackboard eraser can be completely placed in the dust removing box, the blackboard eraser can be repeatedly moved on the dust removing device to clean dust on the blackboard eraser, and the dust collecting box arranged below the dust removing device can be used for collecting scattered dust to avoid flying of the dust. The blackboard erasing dust box has the advantages of simple structure, low manufacturing cost, high safety, simple and quick operation, time and labor saving, great convenience for teachers, schools or training institutions to use, no requirement on experience of users, capacity of containing the blackboard eraser, effective removal of chalk dust on the blackboard eraser, and prevention of pollution of the chalk dust to the environment and surrounding people. Therefore, the blackboard erasing dust box has wide market prospect, extremely high practical value and commercial value, and can be widely applied to the fields of education and teaching and the like.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and other drawings can be obtained by those skilled in the art without creative efforts.
FIG. 1 is a perspective view of a blackboard eraser box of the present invention;
FIG. 2 is a cross-sectional view of the blackboard erasing dust box of the present invention;
fig. 3 is a bottom view of the blackboard erasing dust box of the present invention.
Description of reference numerals:
1: a box body; 2: a box cover; 3: a dust removal device; 4: and a dust collection box.
Detailed Description
The technical solutions of the present invention will be described clearly and completely with reference to the following embodiments, and it should be understood that the described embodiments are some, but not all, embodiments of the present invention. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", and the like, indicate orientations and positional relationships based on those shown in the drawings, and are used only for convenience of description and simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be considered as limiting the present invention.
Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, features defined as "first", "second", may explicitly or implicitly include one or more of the described features. In the description of the present invention, "a plurality" means two or more unless specifically defined otherwise. Furthermore, the terms "mounted," "connected," and "connected" are to be construed broadly and may, for example, be fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.
The utility model provides a blackboard erasing dust box, which comprises a box body 1, a dust removing device 3 and a dust collecting box 4, wherein the dust removing device 3 is arranged in the box body 1, and the distance between the top of the dust removing device 3 and the top of the box body 1 is greater than the height of a blackboard eraser; the dust collecting box 4 is positioned below the dust removing device 3 and is connected with the bottom of the box body 1 in a sliding manner.
According to the blackboard erasing dust box, the dust removing device 3 and the dust collecting box 4 are arranged in the box body 1, wherein the distance between the top of the dust removing device 3 and the top of the box body 1 is larger than the height of a blackboard eraser, the blackboard eraser can be completely placed in the dust removing box, the blackboard eraser can be repeatedly moved on the dust removing device 3 to clean dust on the blackboard eraser, and the dust collecting box 4 arranged below the dust removing device 3 can be used for collecting scattered dust to avoid flying of the dust. The blackboard erasing dust box has the advantages of simple structure, low manufacturing cost, high safety, simple and quick operation, time and labor saving, great convenience for teachers, schools or training institutions to use, no requirement on experience of users, capacity of containing the blackboard eraser, effective removal of chalk dust on the blackboard eraser, and prevention of pollution of the chalk dust to the environment and surrounding people. Therefore, the blackboard erasing dust box has wide market prospect, extremely high practical value and commercial value, and can be widely applied to the fields of education and teaching and the like.
On the basis of the technical scheme, further, the dust removing device 3 comprises a grid body formed by arranging transverse grids and longitudinal grids in a criss-cross mode.
In a specific embodiment of the utility model, dust removing holes are formed on the circular truncated cone at the intersection of the transverse grating and the longitudinal grating. The dust removal holes can effectively remove chalk dust enriched on the round table at the intersection of the transverse grating and the longitudinal grating.
On the basis of the technical scheme, preferably, the end faces, close to the blackboard eraser, of the transverse grating and the end faces, close to the blackboard eraser, of the longitudinal grating are provided with brushes. The brush arranged on the end faces, close to the blackboard eraser, of the transverse grating and the longitudinal grating can increase the friction area between the blackboard eraser and the grating body, and dust can be removed quickly.
Based on the above preferred technical solution, it is more preferred that the transverse grids and the longitudinal grids are criss-cross with each other in a diamond or square structure. The transverse grids and the longitudinal grids are mutually criss-cross to ensure that the cross section area of the grid body is diamond or square, so that on one hand, the contact area of the dust removal device 3 and the blackboard eraser can be ensured, and on the other hand, dust can conveniently fall into the dust collection box 4.
In order to prevent dust of the blackboard eraser from diffusing to the external environment in the friction process, dust collection cloth is arranged on the inner side face of the box body 1.
On the basis of the technical scheme, the portable box further comprises a box cover 2 hinged to the box body 1.
On the basis of the technical scheme, furthermore, the bottom of the box body 1 is provided with a sliding groove, and the dust collecting box 4 is connected with the sliding groove in a sliding manner.
Specifically, a pull ring is provided on the dust collection box 4 to facilitate taking out the dust collection box 4.
Specifically, in order to fix the dust removal box, the bottom of the box body 1 is provided with an adhesive layer, so that the dust removal box can be fixed on the teacher's desk.
Finally, it should be noted that: the above embodiments are only used to illustrate the technical solution of the present invention, and not to limit the same; while the utility model has been described in detail and with reference to the foregoing embodiments, it will be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some or all of the technical features may be equivalently replaced; and the modifications or the substitutions do not make the essence of the corresponding technical solutions depart from the scope of the technical solutions of the embodiments of the present invention.
Claims (9)
1. A blackboard erasing dust box is characterized by comprising a box body (1), a dust removing device (3) and a dust collecting box (4),
the dust removal device (3) is arranged inside the box body (1), and the distance between the top of the dust removal device (3) and the top of the box body (1) is greater than the height of the blackboard eraser;
the dust collecting box (4) is positioned below the dust removing device (3) and is in sliding connection with the bottom of the box body (1);
the dust removal device (3) comprises a grid body formed by arranging transverse grids and longitudinal grids in a criss-cross mode.
2. The blackboard erasing dust box of claim 1, wherein the round table at the intersection of the transverse grating and the longitudinal grating is provided with dust removing holes.
3. The blackboard erasing dust box of claim 1, wherein the end surfaces of the transverse grating and the longitudinal grating near the blackboard eraser are provided with brushes.
4. The blackboard erasing dust box of claim 1, wherein the transverse grids and the longitudinal grids are criss-crossed with each other in a diamond or square structure.
5. The blackboard erasing dust box according to claim 1, characterized in that the inner side of the box body (1) is provided with dust absorption cloth.
6. The blackboard erasing dust box according to claim 1, further including a box cover (2) hinged on the box body (1).
7. The blackboard eraser box according to claim 1, characterized in that the bottom of the box body (1) is provided with a chute, and the dust collecting box (4) is slidably connected with the chute.
8. The blackboard erasing dust box according to claim 1, characterised in that a pull ring is provided on the dust collecting box (4).
9. Blackboard eraser dust box according to claim 1, characterized in that the bottom of the box body (1) is provided with an adhesive layer.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122506681.7U CN216174505U (en) | 2021-10-18 | 2021-10-18 | Blackboard erasing dust box |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122506681.7U CN216174505U (en) | 2021-10-18 | 2021-10-18 | Blackboard erasing dust box |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216174505U true CN216174505U (en) | 2022-04-05 |
Family
ID=80883769
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202122506681.7U Active CN216174505U (en) | 2021-10-18 | 2021-10-18 | Blackboard erasing dust box |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216174505U (en) |
-
2021
- 2021-10-18 CN CN202122506681.7U patent/CN216174505U/en active Active
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