CN203236925U - Bidirectional circulation automatic dust removing blackboard - Google Patents
Bidirectional circulation automatic dust removing blackboard Download PDFInfo
- Publication number
- CN203236925U CN203236925U CN 201320242723 CN201320242723U CN203236925U CN 203236925 U CN203236925 U CN 203236925U CN 201320242723 CN201320242723 CN 201320242723 CN 201320242723 U CN201320242723 U CN 201320242723U CN 203236925 U CN203236925 U CN 203236925U
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- China
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- blackboard
- moving axis
- blackboard frame
- frame
- screw thread
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Abstract
The utility model belongs to teaching appliances of cultural education, and particularly relates to a bidirectional circulation automatic dust removing blackboard. A separating board (14) is arranged in the middle of a rectangular blackboard frame (4). Two sets of same system structures are arranged in the blackboard frame (4). A first stepping motor (8) is arranged in the middle position, located on one side of the separating board (14), of the blackboard frame (4), and a second stepping motor (16) is arranged in the middle position, located on the other side of the separating board (14), of the blackboard frame (4). The first stepping motor (8) and the second stepping motor (16) are connected with one end of an upper transmission shaft (3), and the other end of the upper transmission shaft (3) is arranged outside the blackboard frame (4) and is provided with a manual rocker (7). A lower transmission shaft (15) corresponding to the upper transmission shaft (3) is arranged on the other side of a blackboard face (12) which is clamped between the upper transmission shaft (3) and the lower transmission shaft (15). The same hard threaded rolling brusher (11) and a soft threaded rolling brusher (10) are arranged in the blackboard frame (4) and lean on the inner side of the blackboard frame (4). A collecting box (9) is arranged on a writing face of the blackboard face (12), and a control button (5) is arranged on the blackboard frame (4). Therefore, the bidirectional circulation automatic dust removing blackboard thoroughly eliminates dust pollution when the blackboard is cleaned, and is convenient to use and suitable for writing by people with different heights.
Description
Technical field
The utility model belongs to the teaching aid of culture and education, particularly a kind of bidirectional circulating automatic dust-reducing blackboard.
Background technology
At present, blackboard remains very important instruction vector in middle and primary schools teaching, although along with socioeconomic development, a lot of schools have have installed and used multimedia teaching facility, and role still can not be by its replacement in teaching link for blackboard.Employed in the most schools of China and other its association areas at present all is the fixed blackboard of traditional blackboard surface, the common magnet board of picture, dirty-green Glass blackboard, blank and electronic blackboard etc., but these blackboards but all exist weak point separately.Such as the easy impaired bulge of common magnet board plate face, serpentinous frosted glass blackboard is easy to breakage, and blank and electronic blackboard use cost are expensive, is difficult for promoting on a large scale.Except this part, dust pollution is serious, effort during cleaning, and the plate face is reflective all to be the shortcoming of the common maximum of these blackboards, sucks for a long time chalk dust and not only people's respiratory system and lung is all produced harm, also eyes, ear, skin is also had certain injury.
Summary of the invention
The purpose of this utility model is to overcome above-mentioned technical deficiency, provides a kind of simple in structure, easy to use, cheap, the bidirectional circulating automatic dust-reducing blackboard of hygienic environment-protecting.
The technical scheme that the utility model technical solution problem adopts is: the bidirectional circulating automatic dust-reducing blackboard comprises blackboard frame, blackboard surface, hard screw thread round brush, soft screw thread round brush, stepper motor one, stepper motor two, upload moving axis, lower drive shaft, belt pulley, belt, be characterized in that the place is provided with dividing plate in the middle of rectangular blackboard frame, in the blackboard frame of dividing plate both sides, become vertical direction to establish the identical system architecture of two covers, dividing plate with is connected the side blackboard frame in the middle of the place stepper motor one is housed is connected with stepper motor and connects the end upload moving axis, another termination of uploading moving axis is contained in the outside of blackboard frame and fills manual rocking bar, fill two equidistant isoplanar rolling support axles at the blackboard frame edge of the both sides of uploading moving axis, in rolling support axle outside with upload the moving axis inboard and install around blackboard surface, upload moving axis in blackboard surface another side correspondence and be provided with lower drive shaft, blackboard surface is clipped in to be uploaded between moving axis and the lower drive shaft, in leaning on blackboard frame and by hard screw thread round brush and the soft screw thread round brush together of all pretending in the dividing plate opposite side, at hard screw thread round brush, soft screw thread round brush and upload moving axis and stepper motor one, on the same termination that stepper motor two connects belt pulley is housed all, three belt pulleys connect with belt transmission, below the blackboard surface writing surface, be provided with disposable box, establish control button in blackboard frame one side.
The beneficial effects of the utility model are: the problem of dust pollution when the bidirectional circulating automatic dust-reducing blackboard has thoroughly been stopped the blackboard cleaning, adopt electronic and mode manual actuation, easy to use, the person writing that can be fit to different heights, the cleaning inside device is detachable, guarantee the flexibility of cleaning, guarantee simultaneously the cleaning effect of blackboard surface.
Description of drawings
Specify with embodiment below in conjunction with accompanying drawing.
Fig. 1 is bidirectional circulating automatic dust-reducing blackboard structure chart.
Among the figure, the 1-belt; The 2-belt pulley; 3-uploads moving axis; The 4-blackboard frame; The 5-control button; 6-dismantles mouth; The manual rocking bar of 7-; 8-stepper motor one; The 9-disposable box; The soft screw thread round brush of 10-; 11-hard screw thread round brush; The 12-blackboard surface; 13-rolling support axle; The 14-dividing plate; The 15-lower drive shaft; 16-stepper motor two.
The specific embodiment
Embodiment, with reference to accompanying drawing 1, the bidirectional circulating automatic dust-reducing blackboard is that the middle place in rectangular blackboard frame 4 fixedly fills a dividing plate 14, establishes the identical system architecture of two covers in the blackboard frame 4 interior one-tenth vertical direction of dividing plate 14 both sides.Stepper motor 1 and stepper motor 2 16 are equipped with in the place in the middle of dividing plate 14 and a side blackboard frame 4, and stepper motor 1 is connected with stepper motor and 16 is connected an end of uploading moving axis 3, and the other end of uploading moving axis 3 passes blackboard frame 4 outsides and fills manual rocking bar 7.Fill two equidistant isoplanar rolling support axles 13 at blackboard frame 4 edges of the both sides of uploading moving axis 3, in rolling support axle 13 outsides with upload moving axis 3 inboards and install around blackboard surface 12, upload moving axis 3 in the another side correspondence of blackboard surface 12 and be provided with lower drive shaft 15, blackboard surface 12 is clipped in to be uploaded between moving axis 3 and the lower drive shaft 15.Leaning on blackboard frame 4 and by in dividing plate 1 opposite side identical hard screw thread round brush 11 and soft screw thread round brush 10 are being housed all.At hard screw thread round brush 11, soft screw thread round brush 10 be connected and on the other end of moving axis 3 with stepper motor 1, the same termination that stepper motor 2 16 is connected 2, three belt pulleys of belt pulley, 2 usefulness belts 1 be housed all and be in transmission connection.On blackboard frame 4, blackboard surface 12 circulation inside are provided with disposable box 9, are provided with dismounting mouthfuls 6 and control button 5 in a side of blackboard frame 4.
The operation principle of bidirectional circulating automatic dust-reducing blackboard is: the blackboard surface 12 of bidirectional circulating automatic dust-reducing blackboard is by two contact side by side upper, lower drive shaft 3, the frictional force that produces during 15 rotation drives, make blackboard surface 12 uniform rotation with the drive of the rolling support axle 13 that rotates simultaneously, be positioned at the hard screw thread round brush 11 of both sides and the rotation of soft screw thread round brush 10 and the letter written with chalk on the blackboard surface can be wiped examination and thorough cleaning, chalk dust after the cleaning then focuses in the disposable box below action of gravitation drops to 9, do not having in the situation of power supply, people can rotate with manual rocking bar 7 and upload moving axis 3, make any cover mechanism rotation work wherein.
Claims (1)
1. bidirectional circulating automatic dust-reducing blackboard, comprise blackboard frame (4), blackboard surface (12), hard screw thread round brush (11), soft screw thread round brush (10), stepper motor one (8), stepper motor two (16), upload moving axis (3), lower drive shaft (15), belt pulley (2), belt (1), it is characterized in that the place is provided with dividing plate (14) in the middle of rectangular blackboard frame (4), in the blackboard frame (4) of dividing plate (14) both sides, become vertical direction to establish the identical system architecture of two covers, dividing plate (14) with is connected side blackboard frame (4) in the middle of the place be equipped with that stepper motor one (8) is connected with stepper motor (16) and an end of moving axis (3) is uploaded in connection, another termination of uploading moving axis (3) is contained in the outside of blackboard frame (4) and fills manual rocking bar (7), blackboard frame (4) edge in the both sides of uploading moving axis (3) fills two equidistant isoplanar rolling support axles (13), in rolling support axle (13) outside with upload moving axis (3) inboard and install around blackboard surface (12), upload moving axis (3) in blackboard surface (12) another side correspondence and be provided with lower drive shaft (15), blackboard surface (12) is clipped in to be uploaded between moving axis (3) and the lower drive shaft (15), in leaning on blackboard frame (4) and by hard screw thread round brush (11) and the soft screw thread round brush (10) together of all pretending in dividing plate (14) opposite side, at hard screw thread round brush (11), soft screw thread round brush (10) and upload moving axis (3) and stepper motor one (8), on the same termination that stepper motor two (16) connects belt pulley (2) is housed all, three belt pulleys (2) are in transmission connection with belt (1), below blackboard surface (12) writing surface, be provided with disposable box (9), establish control button (5) in blackboard frame (4) one sides.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320242723 CN203236925U (en) | 2013-05-08 | 2013-05-08 | Bidirectional circulation automatic dust removing blackboard |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320242723 CN203236925U (en) | 2013-05-08 | 2013-05-08 | Bidirectional circulation automatic dust removing blackboard |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203236925U true CN203236925U (en) | 2013-10-16 |
Family
ID=49314251
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201320242723 Expired - Fee Related CN203236925U (en) | 2013-05-08 | 2013-05-08 | Bidirectional circulation automatic dust removing blackboard |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203236925U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107244169A (en) * | 2017-05-16 | 2017-10-13 | 沈宇 | One kind cleaning chalkboard eraser |
-
2013
- 2013-05-08 CN CN 201320242723 patent/CN203236925U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107244169A (en) * | 2017-05-16 | 2017-10-13 | 沈宇 | One kind cleaning chalkboard eraser |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20131016 Termination date: 20140508 |