CN220390825U - Combined dust-free blackboard - Google Patents
Combined dust-free blackboard Download PDFInfo
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- CN220390825U CN220390825U CN202322083807.3U CN202322083807U CN220390825U CN 220390825 U CN220390825 U CN 220390825U CN 202322083807 U CN202322083807 U CN 202322083807U CN 220390825 U CN220390825 U CN 220390825U
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- sliding
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- rail
- writing
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- 239000012790 adhesive layer Substances 0.000 claims abstract description 5
- 230000003044 adaptive effect Effects 0.000 claims abstract description 4
- 238000005096 rolling process Methods 0.000 claims description 7
- 229910003460 diamond Inorganic materials 0.000 claims description 4
- 239000010432 diamond Substances 0.000 claims description 4
- 229920002799 BoPET Polymers 0.000 claims description 2
- 239000000428 dust Substances 0.000 abstract description 9
- 238000010586 diagram Methods 0.000 description 5
- 238000000034 method Methods 0.000 description 5
- 230000000694 effects Effects 0.000 description 2
- 210000000887 face Anatomy 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 239000010410 layer Substances 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 229920000139 polyethylene terephthalate Polymers 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
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- Drawing Aids And Blackboards (AREA)
Abstract
The utility model belongs to the technical field of teaching appliances, and particularly discloses a combined dust-free blackboard which comprises a blackboard frame, wherein the blackboard frame is arranged on a wall in an embedded mode, and is characterized in that a display is arranged on the back face of the blackboard frame, and a writing bottom plate is arranged on the front face of the blackboard frame; the writing bottom plate comprises a sliding plate, a first fixed plate and a second fixed plate which are arranged on two sides of the sliding plate, the sliding plate is in sliding connection with the blackboard frame, the display is positioned right behind the sliding plate and is adaptive to the size of the sliding plate, and therefore the display is not shielded when the sliding plate slides to the limit position; the outer side of the writing bottom plate is provided with a writing film, and the writing bottom plate is adhered with the writing film through an adhesive layer. According to the multifunctional blackboard disclosed by the utility model, the writing film is adhered on the writing bottom plate, writing can be performed through the whiteboard pen or the environment-friendly pen capable of circularly injecting ink, dust of chalks is radically eradicated, and the display is further arranged in the blackboard frame, so that multifunctional teaching is realized.
Description
Technical Field
The utility model belongs to the technical field of teaching aids, and particularly relates to a combined dust-free blackboard.
Background
The classroom is the main place that teachers and students developed teaching activities, has the characteristics of small space, many personnel, and the chalk is one of the most important teaching aids in the classroom, can produce a large amount of dust in writing and erasing process, has influenced teachers and students' healthy. For this reason, dust-free blackboards and intelligent classrooms are increasingly used.
Chinese patent publication No. CN206561723U discloses a dust-free blackboard, which stores chalk dust through a fan and a dust collection cavity, so that the dust content in a classroom is reduced, but the dust cannot be fundamentally stopped, and the blackboard has a single function, so that the diversity teaching cannot be realized.
Disclosure of Invention
The utility model aims to overcome the defect that chalk dust cannot be completely eradicated in the prior art and provides a combined dust-free blackboard.
The utility model provides a combined dust-free blackboard which comprises a blackboard frame, wherein the blackboard frame is arranged on a wall in an embedded mode, and is characterized in that a display is arranged on the back face of the blackboard frame, and a writing bottom plate is arranged on the front face of the blackboard frame;
the writing base plate comprises a sliding plate, a first fixed plate and a second fixed plate, wherein the first fixed plate and the second fixed plate are arranged on two sides of the sliding plate, the sliding plate is in sliding connection with the blackboard frame, the display is positioned right behind the sliding plate and is adaptive to the size of the sliding plate, and therefore when the sliding plate slides to the limit position, the display is not shielded;
the writing board is provided with a writing film outside, and the writing board is adhered with the writing film through an adhesive layer.
Further, the writing film is a PET film with diamond textures on the outer surface.
The blackboard frame is characterized in that a first sliding rail and a second sliding rail are arranged at the bottom of the blackboard frame, the sliding plate is in sliding connection with the first sliding rail through a first sliding block, and the sliding plate is also in sliding connection with the second sliding rail through a second sliding block;
when the first sliding block and the second sliding block are respectively positioned at one ends of the first sliding rail and the second sliding rail, the sliding plate is positioned at the back of the first fixing plate; when the first sliding block and the second sliding block are respectively positioned at the other ends of the first sliding rail and the second sliding rail, the sliding plate is positioned between the first fixing plate and the second fixing plate, and the first fixing plate, the sliding plate and the second fixing plate form a plane.
The first sliding rail and the second sliding rail have the same structure and comprise a horizontal sliding rail and an inclined sliding rail which are integrally and smoothly connected;
the horizontal sliding rail and the inclined sliding rail are internally provided with sliding grooves, rolling wheels are arranged in the sliding grooves, and the tops of the rolling wheels are rotationally connected with the first sliding block/the second sliding block;
when the first sliding block and the second sliding block are respectively positioned at the horizontal sliding rail end parts of the first sliding rail and the second sliding rail, the sliding plate is positioned at the back part of the first fixing plate; when the first sliding block and the second sliding block are respectively positioned at the inclined sliding rail end parts of the first sliding rail and the second sliding rail, the sliding plate is positioned between the first fixing plate and the second fixing plate, and the first fixing plate, the sliding plate and the second fixing plate form a plane.
The sliding plate is arranged on the first fixing plate, and the sliding plate is arranged on the second fixing plate;
the inclined plane inclination angle of the first fixed plate is an angle of degree, and the inclined plane inclination angle of the sliding plate is an angle of degree.
The further scheme is that one side top of sliding plate is provided with the third slide rail, blackboard frame top is provided with the third slider, the one end joint of third slider is inside the third slide rail and with third slide rail sliding connection.
The structure of the third sliding rail is the same as that of the first sliding rail and the second sliding rail, and the inclined sliding rail of the third sliding rail faces to one side, close to the first fixing plate, of the sliding plate.
Compared with the prior art, the utility model has the beneficial effects that:
(1) According to the utility model, the writing film is adhered on the writing bottom plate, writing can be performed through the whiteboard pen or the environment-friendly pen capable of circularly injecting ink, dust of chalk is radically eradicated, the surface of the writing film is in a diamond pattern structure, and the surface is concave-convex and does not reflect light, so that the effect of protecting eyes is achieved. A display is also arranged in the blackboard frame, so that multifunctional teaching is realized.
(2) The sliding plate can slide to the back of the first fixed plate along the first sliding rail, the second sliding rail and the third sliding rail, and only the sliding plate is pushed when the display is required to give lessons, and the sliding plate also plays a role in protecting the display when the display is not used or the rest time is needed.
(3) According to the utility model, the contact surfaces of the sliding plate and the first fixed plate are inclined planes, so that seamless connection of the sliding plate and the first fixed plate can be ensured, and the overall attractiveness of the blackboard is improved.
Drawings
The following drawings are illustrative of the utility model and are not intended to limit the scope of the utility model, in which:
fig. 1: the utility model is a schematic diagram of a main view structure;
fig. 2: schematic diagram of half pushing-open state of sliding plate;
fig. 3: the internal structure of the utility model is schematically shown;
fig. 4: a sliding rail structure schematic diagram;
fig. 5: a black board layer structure schematic diagram;
fig. 6: schematic diagram of inclination angle of inclined plane;
in the figure: 1. a blackboard frame; 2. a display; 3. a first fixing plate; 4. a sliding plate; 5. a second fixing plate; 6. a first slide rail; 7. a second slide rail; 8. a first slider; 9. a chute; 10. a second slider; 11. a third slider; 12. a horizontal slide rail; 13. tilting the slide rail; 14. a rolling wheel; 15. a writing base plate; 16. an adhesive layer; 17. writing film.
Detailed Description
The present utility model will be further described in detail with reference to the following specific examples, which are given by way of illustration, in order to make the objects, technical solutions, design methods and advantages of the present utility model more apparent. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the scope of the utility model.
As shown in fig. 1 and 2, the utility model provides a combined dust-free blackboard, which comprises a blackboard frame 1 embedded in a wall surface, wherein the back surface of the blackboard frame 1 is provided with a display 2, the front surface of the blackboard frame 1 is provided with a writing bottom plate 15, as shown in fig. 5, the outer side of the writing bottom plate 15 is provided with a writing film 17, the writing bottom plate 15 and the writing film 17 are adhered through an adhesive layer 16, writing is performed by using a whiteboard pen or an environment-friendly pen capable of circularly injecting ink, chalk dust separation is radically stopped, the writing film 17 is made of PET material, the surface of the writing film is of a diamond pattern structure, and the surface is concave-convex and does not reflect light, so that the function of protecting eyes is achieved.
The writing board 15 comprises a sliding board 4, a first fixing board 3 and a second fixing board 5, wherein the first fixing board 3 and the second fixing board 5 are arranged on two sides of the sliding board 4, the sliding board 4 is in sliding connection with the blackboard frame 1, the display 2 is located right behind the sliding board 4, and the display 2 is adaptive to the size of the sliding board 4, so that the display 2 is not shielded when the sliding board 4 slides to a limiting position.
As shown in fig. 3 and 4, a first sliding rail 6 and a second sliding rail 7 are arranged at the bottom of the blackboard frame 1, the sliding plate 4 is slidably connected with the first sliding rail 6 through a first sliding block 8, and the sliding plate 4 is slidably connected with the second sliding rail 7 through a second sliding block 10; the first sliding rail 6 and the second sliding rail 7 have the same structure and comprise a horizontal sliding rail 12 and an inclined sliding rail 13, and the horizontal sliding rail 12 and the inclined sliding rail 13 are integrally and smoothly connected; the inside of the horizontal sliding rail 12 and the inside of the inclined sliding rail 13 are respectively provided with a sliding groove 9, the inside of the sliding groove 9 is provided with a rolling wheel 14, and the top of the rolling wheel 14 is rotationally connected with the first sliding block 8/the second sliding block 10; when the first sliding block 8 and the second sliding block 10 are respectively positioned at the end parts of the horizontal sliding rails 12 of the first sliding rail 6 and the second sliding rail 7, the sliding plate 4 is positioned at the back part of the first fixed plate 3; when the first sliding block 8 and the second sliding block 10 are respectively positioned at the end parts of the inclined sliding rails 13 of the first sliding rail 6 and the second sliding rail 7, the sliding plate 4 is positioned between the first fixing plate 3 and the second fixing plate 5, and the first fixing plate 3, the sliding plate 4 and the second fixing plate 5 form a plane.
In order to improve writing smoothness and overall aesthetic property, in this embodiment, as shown in fig. 6, a side of the first fixing plate 3 close to the second fixing plate 5 is an inclined plane, and a side of the sliding plate 4 close to the second fixing plate 5 is an inclined plane; the inclined surface inclination angle of the first fixed plate 3 is 45 °, and the inclined surface inclination angle of the sliding plate 4 is 135 °.
In order to improve the stability of the sliding plate 4 in the pushing process, a third sliding rail 11 is arranged at the top of one side of the sliding plate 4, a third sliding block (not shown in the figure) is arranged at the top of the blackboard frame 1, and one end of the third sliding block is clamped inside the third sliding rail 11 and is in sliding connection with the third sliding rail 11. The third sliding rail 11 has the same structure as the first sliding rail 6 and the second sliding rail 7, and the inclined sliding rail 13 of the third sliding rail 11 faces to one side of the sliding plate 4 close to the first fixing plate 3. With continued reference to fig. 3, in the process that the sliding plate 4 slides from the side of the blackboard frame 1 near the first fixing plate 3 to the side of the blackboard frame 1 near the second fixing plate 5, the sliding plate passes through the horizontal sliding rail 12 and then passes through the inclined sliding rail 13, and then is spliced with the first fixing plate 3 and the second fixing plate 5 to form a plane, so that writing smoothness is improved in the writing process.
The foregoing description of embodiments of the utility model has been presented for purposes of illustration and description, and is not intended to be exhaustive or limited to the embodiments disclosed. Many modifications and variations will be apparent to those of ordinary skill in the art without departing from the scope and spirit of the various embodiments described. The terminology used herein was chosen in order to best explain the principles of the embodiments, the practical application, or the technical improvements in the marketplace, or to enable others of ordinary skill in the art to understand the embodiments disclosed herein.
Claims (7)
1. The combined dust-free blackboard comprises a blackboard frame (1), wherein the blackboard frame (1) is arranged on a wall in an embedded mode, and is characterized in that a display (2) is arranged on the back face of the blackboard frame (1), and a writing bottom plate (15) is arranged on the front face of the blackboard frame (1);
the writing base plate (15) comprises a sliding plate (4), a first fixed plate (3) and a second fixed plate (5) which are arranged on two sides of the sliding plate (4), the sliding plate (4) is in sliding connection with the blackboard frame (1), the display (2) is positioned right behind the sliding plate (4), and the display (2) is adaptive to the size of the sliding plate (4), so that the display (2) is not shielded when the sliding plate (4) slides to a limit position;
the writing board (15) is provided with a writing film (17) on the outer side, and the writing board (15) is adhered to the writing film (17) through an adhesive layer (16).
2. A combined dustless blackboard according to claim 1, characterized in that the writing film (17) is a PET film with diamond textures on the outer surface.
3. A combined dust-free blackboard according to claim 1, characterized in that the bottom of the blackboard frame (1) is provided with a first sliding rail (6) and a second sliding rail (7) which are arranged in front of and behind each other, the sliding plate (4) is in sliding connection with the first sliding rail (6) through a first sliding block (8), and the sliding plate (4) is also in sliding connection with the second sliding rail (7) through a second sliding block (10);
when the first sliding block (8) and the second sliding block (10) are respectively positioned at one ends of the first sliding rail (6) and the second sliding rail (7), the sliding plate (4) is positioned at the back of the first fixed plate (3); when the first sliding block (8) and the second sliding block (10) are respectively positioned at the other ends of the first sliding rail (6) and the second sliding rail (7), the sliding plate (4) is positioned between the first fixing plate (3) and the second fixing plate (5), and the first fixing plate (3), the sliding plate (4) and the second fixing plate (5) form a plane.
4. A combined dust-free blackboard according to claim 3, characterized in that the first sliding rail (6) and the second sliding rail (7) have the same structure and comprise a horizontal sliding rail (12) and an inclined sliding rail (13), the inclined sliding rail (13) extends in a direction away from the wall surface in an inclined manner, and the horizontal sliding rail (12) and the inclined sliding rail (13) are integrally and smoothly connected;
the horizontal sliding rail (12) and the inclined sliding rail (13) are internally provided with sliding grooves (9), rolling wheels (14) are arranged in the sliding grooves (9), and the tops of the rolling wheels (14) are rotationally connected with the first sliding block (8)/the second sliding block (10);
when the first sliding block (8) and the second sliding block (10) are respectively positioned at the end parts of the horizontal sliding rail (12) of the first sliding rail (6) and the second sliding rail (7), the sliding plate (4) is positioned at the back of the first fixed plate (3); when the first sliding block (8) and the second sliding block (10) are respectively positioned at the end parts of the inclined sliding rails (13) of the first sliding rail (6) and the second sliding rail (7), the sliding plate (4) is positioned between the first fixing plate (3) and the second fixing plate (5), and the first fixing plate (3), the sliding plate (4) and the second fixing plate (5) form a plane.
5. A combined dust-free blackboard according to claim 4, characterized in that the side of the first fixing plate (3) close to the second fixing plate (5) is an inclined surface, and the side of the sliding plate (4) close to the second fixing plate (5) is an inclined surface;
the inclined plane inclined angle of the first fixed plate (3) is 45 degrees, and the inclined plane inclined angle of the sliding plate (4) is 135 degrees.
6. The combined dust-free blackboard according to claim 5, wherein a third sliding rail (11) is arranged at the top of one side of the sliding plate (4), a third sliding block is arranged at the top of the blackboard frame (1), and one end of the third sliding block is clamped inside the third sliding rail (11) and is in sliding connection with the third sliding rail (11).
7. A combined dust-free blackboard according to claim 6, characterized in that the third slide rail (11) has the same structure as the first slide rail (6) and the second slide rail (7), and the inclined slide rail (13) of the third slide rail (11) is located at one side of the slide plate (4) close to the first fixed plate (3) and extends toward the direction close to the wall surface.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322083807.3U CN220390825U (en) | 2023-08-04 | 2023-08-04 | Combined dust-free blackboard |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322083807.3U CN220390825U (en) | 2023-08-04 | 2023-08-04 | Combined dust-free blackboard |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220390825U true CN220390825U (en) | 2024-01-26 |
Family
ID=89603074
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322083807.3U Active CN220390825U (en) | 2023-08-04 | 2023-08-04 | Combined dust-free blackboard |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220390825U (en) |
-
2023
- 2023-08-04 CN CN202322083807.3U patent/CN220390825U/en active Active
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