CN219133683U

CN219133683U - Multifunctional blackboard

Info

Publication number: CN219133683U
Application number: CN202320153177.XU
Authority: CN
Inventors: 张斌
Original assignee: Hangzhou Qinghe Education Equipment Co ltd
Current assignee: Hangzhou Qinghe Education Equipment Co ltd
Priority date: 2023-02-08
Filing date: 2023-02-08
Publication date: 2023-06-06
Anticipated expiration: 2033-02-08

Abstract

The utility model belongs to the technical field of blackboards, in particular to a multifunctional blackboard, which comprises a blackboard main body, wherein a control panel is arranged on one side of the blackboard main body, a filter box is arranged at the top end of the blackboard main body, an air box is arranged at the top end of the inside of the filter box, an exhaust fan is arranged in the air box, a supporting rod is arranged on the outer ring surface of the exhaust fan, a chute is arranged in the filter box, a filter plate is arranged on the inner side of the chute, an air inlet is arranged at the bottom end of the filter box, a supporting plate is arranged in the blackboard main body, and a writing film is arranged on the outer side of the supporting plate.

Description

Multifunctional blackboard

Technical Field

The utility model relates to the technical field of blackboards, in particular to a multifunctional blackboard.

Background

The blackboard is not a black board surface, is a plane capable of being repeatedly written by chalk in the traditional sense, is hard and is mostly used for teaching, is generally made of wood boards or ground glass and the like, and can be used for writing on by using specific writing materials such as chalk and the like. Most of them are black, dark green, white or beige, and the application document of the prior patent No. 201120155313.6 discloses a multifunctional blackboard. The multifunctional blackboard comprises a blackboard, wherein an additional box is arranged on one side of the blackboard; the additional box consists of a frame and a plurality of partition boards; one part of the partition boards are horizontally arranged, the other part of the partition boards are vertically arranged, and a plurality of grids are formed in the space surrounded by the partition boards and the space surrounded by the partition boards and the frame. The multifunctional blackboard is simple in structure, convenient to manufacture, attractive in appearance and diversified in function: the blackboard can be used for storing various teaching aids and sundries in a classified manner, is convenient and quick to use, can reduce the height of the blackboard, can enable the teacher desk to be tidy, and aims at the related technologies, the inventor considers that the following defects exist: in the technical scheme, when the blackboard is used, chalk dust generated by wiping can directly fly in the air and is inhaled into the body by surrounding personnel, so that the influence on the body is caused.

The prior art has the following problems:

1. in the actual use process of the existing blackboard, when handwriting on the blackboard is wiped, chalk dust generated in the wiping process can directly fly in the air, so that the chalk dust is sucked into the body by surrounding people, and when the chalk dust is sucked into the body by the surrounding people, discomfort can be caused to the people, so that the body health is influenced;

2. when the existing blackboard is used, handwriting on the blackboard is wiped in a manual mode, and when a shorter student wipes the blackboard, the condition that the handwriting on the blackboard is not wiped cleanly can be caused, so that the subsequent use of the blackboard is affected.

Disclosure of Invention

Aiming at the defects of the prior art, the utility model provides a multifunctional blackboard, which solves the problem that chalk dust drifts around in the using process of the blackboard in the prior art.

In order to achieve the above purpose, the present utility model provides the following technical solutions: the utility model provides a multifunctional blackboard, includes the blackboard main part, blackboard main part one side is provided with control panel, blackboard main part top is provided with the rose box, the inside top of rose box is provided with bellows, the inside exhaust fan that is provided with of bellows, the outer anchor ring of exhaust fan is provided with the bracing piece, the inside spout that is provided with of rose box, the spout inboard is provided with the filter, the rose box bottom is provided with the inlet port, the inside backup pad that is provided with of blackboard main part, the backup pad outside is provided with the writing membrane, the inside roller bearing that sets up of writing membrane bottom, the inside first back shaft that is provided with of lower roller bearing, first back shaft one end is provided with driving motor, the inside second back shaft that is provided with in writing membrane top, the second back shaft outside is provided with the bearing, the outer anchor ring of bearing is provided with the roller bearing, the inside top of blackboard main part is provided with the wiper strip.

As a preferable technical scheme of the utility model, the number of the supporting rods is four, the supporting rods are symmetrically arranged on the outer ring surface of the exhaust fan, one end of each supporting rod is fixedly connected with the inner wall of the air box, and the other end of each air box is fixedly connected with the outer surface of the exhaust fan.

As a preferable technical scheme of the utility model, the shape of the chute is , the chute is symmetrically arranged at two sides of the filter plate, and the chute is in sliding connection with the filter plate.

As a preferable technical scheme of the utility model, the number of the filter plates is a plurality of groups, the filter plates are equidistantly arranged in the filter box, and the filter plates are made of filter cotton.

As a preferable technical scheme of the utility model, the interior of the blackboard main body is communicated with the interior of the filter box through the air inlet hole.

As a preferable technical scheme of the blackboard, the outer annular surface of the first supporting shaft is fixedly connected with the inside of the lower roller, one end of the first supporting shaft is fixedly connected with the output end of the driving motor, and the first supporting shaft is movably connected with the inside of the blackboard main body.

As a preferable technical scheme of the utility model, the inner side of the bearing is fixedly connected with the outer annular surface of the second supporting shaft, and the outer surface of the bearing is fixedly connected with the inner part of the upper roller.

Compared with the prior art, the utility model provides the multifunctional blackboard which has the following beneficial effects:

1. this multifunctional blackboard through setting up bellows, exhaust fan, spout and filter, when blackboard main part used, the exhaust fan that utilizes the bellows to set up can be with the chalk dust that produces when cleaning inside the rose box, then utilize the filter can filter the chalk dust that contains in the air to avoid personnel around to inhale the chalk dust and lead to the uncomfortable condition of health to appear, and utilize the spout can regularly clear up the filter not so guarantee the filter effect of filter.

2. This multifunctional blackboard through setting up roller bearing, first back shaft, driving motor, go up roller bearing and wipe the strip, when blackboard main part used, when writing the membrane needs the clearance, utilizes driving motor and first back shaft's cooperation, drives roller bearing and last roller bearing and rotates down to utilize roller bearing and last roller bearing to drive down and write the membrane and rotate, then utilize to wipe the strip and can wipe the handwriting of writing the membrane surface writing, improved blackboard main part through this kind of mode and used the convenience, and improved the cleanliness factor of writing the membrane and wiping, thereby can not influence the use of writing the membrane later stage.

Drawings

FIG. 1 is a schematic view of the overall appearance structure of the present utility model;

FIG. 2 is a schematic view of the overall planar structure of the present utility model;

FIG. 3 is a schematic diagram of the overall side plan view structure of the present utility model;

FIG. 4 is a schematic diagram of the planar structure of the exhaust fan and the support rod of the present utility model;

FIG. 5 is a schematic view of a second support shaft and bearing plane structure according to the present utility model;

FIG. 6 is a schematic view showing a perspective view of a wiper strip according to the present utility model

In the figure: 1. a blackboard body; 2. a control panel; 3. a filter box; 4. a wind box; 5. an exhaust fan; 6. a support rod; 7. a chute; 8. a filter plate; 9. an air inlet hole; 10. a support plate; 11. a writing film; 12. a lower roller; 13. a first support shaft; 131. a driving motor; 14. a second support shaft; 15. a bearing; 16. an upper roller; 17. a wiping strip.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

Referring to fig. 1 to 6, in the present embodiment: the utility model provides a multifunctional blackboard, including blackboard body 1, blackboard body 1 one side is provided with control panel 2, blackboard body 1 top is provided with rose box 3, the inside top of rose box 3 is provided with bellows 4, bellows 4 inside is provided with exhaust fan 5, exhaust fan 5 outer ring face is provided with bracing piece 6, the inside spout 7 that is provided with of rose box 3, spout 7 inboard is provided with filter 8, the rose box 3 bottom is provided with inlet port 9, blackboard body 1 inside is provided with backup pad 10, the backup pad 10 outside is provided with writes membrane 11, write membrane 11 bottom inboard and set up roller 12 down, roller 12 inside is provided with first back shaft 13 down, first back shaft 13 one end is provided with driving motor 131, it is provided with second back shaft 14 to write membrane 11 top inboard, the second back shaft 14 outside is provided with bearing 15, the outer ring face of bearing 15 is provided with roller 16, blackboard body 1 inside top is provided with wipes strip 17.

In the embodiment, the number of the supporting rods 6 is four, the supporting rods 6 are symmetrically arranged on the outer ring surface of the exhaust fan 5, one end of each supporting rod 6 is fixedly connected with the inner wall of the air box 4, the other end of each air box 4 is fixedly connected with the outer surface of the exhaust fan 5, and the use stability of the exhaust fan 5 can be improved by using the supporting rods 6, so that the condition that the exhaust fan 5 shakes during use is avoided; the shape of the chute 7 is , the chute 7 is symmetrically arranged on two sides of the filter plate 8, the chute 7 is in sliding connection with the filter plate 8, and the filter plate 8 can be cleaned regularly by using the chute 7, so that the filtering effect of the filter plate 8 is ensured; the number of the filter plates 8 is a plurality of groups, the filter plates 8 are equidistantly arranged in the filter box 3, the filter plates 8 are made of filter cotton, and chalk dust contained in air can be filtered by the filter plates 8, so that the condition that the surrounding people inhale the chalk dust to cause discomfort is avoided; the interior of the blackboard main body 1 is communicated with the interior of the filter box 3 through an air inlet hole 9, and chalk dust generated during wiping can be guided into the interior of the filter box 3 by the aid of the air inlet hole 9; the outer ring surface of the first support shaft 13 is fixedly connected with the inside of the lower roller 12, one end of the first support shaft 13 is fixedly connected with the output end of the driving motor 131, the first support shaft 13 is movably connected with the inside of the blackboard main body 1, and the lower roller 12 is driven to rotate by the cooperation of the driving motor 131 and the first support shaft 13; the inner side of the bearing 15 is fixedly connected with the outer annular surface of the second supporting shaft 14, the outer surface of the bearing 15 is fixedly connected with the inner part of the upper roller 16, and the friction force between the second supporting shaft 14 and the upper roller 16 can be reduced by using the bearing 15, so that the upper roller 16 can conveniently rotate.

The working principle and the using flow of the utility model are as follows: when an operator uses the blackboard main body 1, writing is performed on the writing film 11 by using chalk, then when the writing on the writing film 11 needs to be wiped, the driving motor 131 is started by using the control panel 2, the lower roller 12 is driven to rotate by using the matching of the driving motor 131 and the first supporting shaft 13, then the writing film 11 is driven to rotate by using the matching of the lower roller 12 and the upper roller 16, thereby wiping the writing written on the surface of the writing film 11 by using the wiping strip 17, in the using process of the upper roller 16, the friction force between the second supporting shaft 14 and the upper roller 16 can be reduced by using the bearing 15, thereby being convenient for the upper roller 16 to rotate, chalk dust generated in the wiping process can be sucked into the filter box 3 by using the exhaust fan 5 arranged on the air box 4 when the wiping strip 17, and the using stability of the exhaust fan 5 can be improved by using the supporting rod 6, the condition that the exhaust fan 5 shakes when in use is avoided, then the filter plate 8 can be used for filtering the writing dust contained in the air, thereby the situation that a surrounding person sucks the dust in the air, and the filter plate 8 can not be cleaned by using the filter plate 8, and the regular body cleaning effect of the filter plate 8 can be ensured.

Finally, it should be noted that: the foregoing description is only a preferred embodiment of the present utility model, and the present utility model is not limited thereto, but it is to be understood that modifications and equivalents of some of the technical features described in the foregoing embodiments may be made by those skilled in the art, although the present utility model has been described in detail with reference to the foregoing embodiments. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present utility model should be included in the protection scope of the present utility model.

Claims

1. The utility model provides a multifunctional blackboard, includes blackboard main part (1), its characterized in that: the blackboard main part (1) one side is provided with control panel (2), blackboard main part (1) top is provided with rose box (3), rose box (3) inside top is provided with bellows (4), bellows (4) inside exhaust fan (5) that is provided with, exhaust fan (5) outer ring face is provided with bracing piece (6), rose box (3) inside is provided with spout (7), spout (7) inboard is provided with filter (8), rose box (3) bottom is provided with inlet port (9), blackboard main part (1) inside is provided with backup pad (10), backup pad (10) outside is provided with writes membrane (11), it is provided with lower roller (12) to write membrane (11) bottom inboard, lower roller (12) inside is provided with first back shaft (13), first back shaft (13) one end is provided with driving motor (131), it is provided with second back shaft (14) to write membrane (11) top inboard, second back shaft (14) outside is provided with bearing (15), it is provided with blackboard strip (17) to write membrane (11) top outside, it is provided with blackboard strip (17) to write membrane (16).

2. A multi-purpose blackboard according to claim 1, wherein: the number of the supporting rods (6) is four, the supporting rods (6) are symmetrically arranged on the outer ring surface of the exhaust fan (5), one end of each supporting rod (6) is fixedly connected with the inner wall of the air box (4), and the other end of each air box (4) is fixedly connected with the outer surface of the exhaust fan (5).

3. A multi-purpose blackboard according to claim 1, wherein: the shape of the chute (7) is , the chute (7) is symmetrically arranged on two sides of the filter plate (8), and the chute (7) is in sliding connection with the filter plate (8).

4. A multi-purpose blackboard according to claim 1, wherein: the number of the filter plates (8) is a plurality of groups, the filter plates (8) are equidistantly arranged inside the filter box (3), and the filter plates (8) are made of filter cotton.

5. A multi-purpose blackboard according to claim 1, wherein: the interior of the blackboard main body (1) is communicated with the interior of the filter box (3) through an air inlet hole (9).

6. A multi-purpose blackboard according to claim 1, wherein: the blackboard is characterized in that the outer ring surface of the first supporting shaft (13) is fixedly connected with the inside of the lower roller (12), one end of the first supporting shaft (13) is fixedly connected with the output end of the driving motor (131), and the first supporting shaft (13) is movably connected with the inside of the blackboard body (1).

7. A multi-purpose blackboard according to claim 1, wherein: the inner side of the bearing (15) is fixedly connected with the outer annular surface of the second supporting shaft (14), and the outer surface of the bearing (15) is fixedly connected with the inner part of the upper roller (16).