CN203381388U - Self-erasing portable blackboard for teaching - Google Patents
Self-erasing portable blackboard for teaching Download PDFInfo
- Publication number
- CN203381388U CN203381388U CN201320343168.3U CN201320343168U CN203381388U CN 203381388 U CN203381388 U CN 203381388U CN 201320343168 U CN201320343168 U CN 201320343168U CN 203381388 U CN203381388 U CN 203381388U
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- China
- Prior art keywords
- blackboard
- sliding
- box body
- bodies
- blackboards
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Abstract
The utility model provides a self-erasing portable blackboard for teaching. The blackboard structurally comprises two sliding blackboard bodies and a box body for placing the two sliding blackboard bodies, and an opening is formed in the lower side of the box body to enable one blackboard face to be exposed. The two sliding blackboard bodies are arranged in the box body in a vertical staggering mode through a sliding mechanism. The sliding mechanism comprises a U-shaped sealing chamber arranged in the box body and used for placing the two sliding blackboard bodies. An upper baffle and a lower baffle which correspond to the two sliding blackboard bodies respectively and are used for limiting moving ranges of the two sliding blackboard bodies are arranged in the sealing chamber. Protruding strips in close contact with an inner wall of the sealing chamber are arranged on tops of the sliding blackboard bodies. Compared with the prior art, the self-erasing portable blackboard has the advantages of being reasonable in design, simple in structure, convenient to use and the like and is clean, hygienic, free of pollution, wide in application range, convenient to carry and easy to popularize.
Description
Technical field
The utility model relate to a kind of easy to use, certainly wipe the Portable teaching blackboard, divide and belong to operation Department of Transportation by International Patent Classification (IPC) (IPC), printing branch, write or drawing appliance, the large class of office appliance, write or drawing article or supplement group, large group of the reusable plate of writing or drawing or tablet, the little technical group field of blackboard.
Background technology
At present, for the blackboard great majority of teaching, all fix, this is unfavorable for preparing lessons of teacher, attend class and easily lose time while using, and the blackboard that the teacher can carry is all small size mostly, is unfavorable for too much writing.And, when blackboard wiping, dust arbitrarily spreads, contaminated environment, affect teachers and students' health.For addressing this problem, patent announcement number is " CN201931846U ", patent name is that " a kind of portable vertical blackboard " discloses a kind of new blackboard, this blackboard adopts the box-packed structure of cuboid of sliding, Sliding blackboard is arranged on the side of box body, the mixing snag is set on side, mix like this snag and just can complete the wiping of blackboard panel when blackboard slides, the chalk dust that wiping is got off drops in the outward-dipping chalk dust ledge arranged at downside, this technical scheme has well completed the step of Automatic erasing blackboard, but still have the following disadvantages: 1) slip due to blackboard need to realize by the handle that is arranged on the Sliding blackboard side, also just make two Sliding blackboards have the possibility of pulling out simultaneously and regaining simultaneously, when two blackboards are pulled out simultaneously, the outside blackboard of take is write full word and need to be regained as example, the user is when regaining outside blackboard, hand inevitably will touch inboard blackboard, the situation that causes hand and inboard blackboard " to fight ", if inboard blackboard is write full letter written with chalk equally, just the situation of user's hand is polluted in same existence, 2) mix snag and vertically be arranged on the box body side, the chalk dust that so just makes mixing snag wiping get off drops in process under Action of Gravity Field, the chalk dust that upside mixing snag is dropped drops in downside mixing snag, the mixing snag of time one downside of a specified duration will be stained with chalk dust and not drop, and then affect the wiping effect of downside mixing snag, cause the blackboard downside can't better complete wiping, 3) the corresponding mixing of chalk dust ledge snag is inclined at the side of box body, so just makes the chalk dust dropped in the mixing snag directly tilt to drop on ground or desktop by this chalk dust ledge, can't well complete equally the collection work of chalk dust, 4) known in conjunction with accompanying drawing and the explanatory note of this patent, box body top side middle position arranges handle, after having hung this vertical blackboard during the pull Sliding blackboard, the balance of whole box body occurs rocking with regard to easily being broken, and so just easily causes the blackboard panel shakiness, the difficult situation of writing, if address this problem, handle can only be carried this box body for body, and blackboard is placed on the planes such as desktop of level in use, has so just limited the scope of application of this blackboard.Based on this, now provide a kind of improved new Portable teaching blackboard.
Summary of the invention
Technical assignment of the present utility model is to solve the deficiencies in the prior art, provide a kind of simple in structure, certainly wipe the Portable teaching blackboard.
The technical solution of the utility model realizes in the following manner, this is a kind of from wiping the Portable teaching blackboard, its structure comprises two Sliding blackboards, place the box body that two Sliding blackboards and open lower side are exposed a blackboard panel, two Sliding blackboards shift to install in box body up and down by slide mechanism, this slide mechanism comprises the U-shaped closed chamber that is arranged in box body and places two Sliding blackboards, every Sliding blackboard of the indoor correspondence of sealing is provided with two baffle plates up and down that limit its scope of activities, with this baffle plate, be used in conjunction with, the top of Sliding blackboard is provided with the raised line with closed chamber inwall close contact.
As preferably, be provided with the contacted Clean Brush for cleaning of plate face with Sliding blackboard on the inboard wall of cartridge of described each lower baffle plate downside.
Further, the downside of described Sliding blackboard is provided with the storage ash-pit corresponding with Clean Brush for cleaning.
As preferably, described box body top is provided with handle.
The beneficial effect that the utility model compared with prior art produced is:
Of the present utility model a kind of from wipe Portable teaching with blackboard have simple in structure, easy to use, the characteristics such as be skillfully constructed, two Sliding blackboards can change and be regulated by the pressure in closed chamber, when a mobile Sliding blackboard, Clean Brush for cleaning just can be clean clean by the writing on the blackboard on its plate face, simple and practical, the chalk bits are collected by the storage ash-pit, clean hygiene is pollution-free, applied widely, the blackboard that the utility model provides goes for various places to operate schools, easy to carry, be easy to promote.
The accompanying drawing explanation
Accompanying drawing 2 is side sectional views of the present utility model.
Mark in accompanying drawing means respectively:
1, box body, 2, handle, 3, Sliding blackboard, 4, the storage ash-pit, 5, Clean Brush for cleaning, 6, baffle plate, 7, closed chamber, 8, raised line.
The specific embodiment
Below in conjunction with accompanying drawing, to of the present utility model, a kind ofly with blackboard, be described in detail below from wiping Portable teaching.
As accompanying drawing 1, shown in Fig. 2, this is a kind of from wiping the Portable teaching blackboard, its structure comprises two Sliding blackboards 3, place the box body 1 that two Sliding blackboards 3 and open lower side are exposed a blackboard panel, two Sliding blackboards 3 shift to install in box body 1 up and down by slide mechanism, this slide mechanism comprises the U-shaped closed chamber 7 that is arranged in box body 1 and places two Sliding blackboards 3, every Sliding blackboard of the interior correspondence in sealing chamber 73 is provided with two baffle plates 6 up and down that limit its scope of activities, with this baffle plate 6, be used in conjunction with, the top of Sliding blackboard 3 is provided with the raised line 8 with closed chamber 7 inwall close contacts.
On box body 1 inwall of described each lower baffle plate 6 downside, be provided with and the contacted Clean Brush for cleaning 5 of the plate face of Sliding blackboard 3.
The downside of described Sliding blackboard 3 is provided with the storage ash-pit 4 corresponding with Clean Brush for cleaning 5.
Described box body 1 top is provided with handle 2.
In the above-described embodiments, preferred forms of the present utility model is described, obviously, under inventive concept of the present utility model, still can make a lot of variations, in essential scope of the present utility model, also can make a lot of variations, remodeling, interpolation or replacement.At this, should illustrate, any change of making under inventive concept of the present utility model all will fall in protection domain of the present utility model.
Claims (2)
1. certainly wipe the Portable teaching blackboard for one kind, it is characterized in that: its structure comprises two Sliding blackboards, place the box body that two Sliding blackboards and open lower side are exposed a blackboard panel, two Sliding blackboards shift to install in box body up and down by slide mechanism, this slide mechanism comprises the U-shaped closed chamber that is arranged in box body and places two Sliding blackboards, every Sliding blackboard of the indoor correspondence of sealing is provided with two baffle plates up and down that limit its scope of activities, with this baffle plate, be used in conjunction with, the top of Sliding blackboard is provided with the raised line with closed chamber inwall close contact, be provided with the contacted Clean Brush for cleaning of plate face with Sliding blackboard on the inboard wall of cartridge of described each lower baffle plate downside, the downside of described Sliding blackboard is provided with the storage ash-pit corresponding with Clean Brush for cleaning.
2. according to claim 1 a kind of from wiping the Portable teaching blackboard, it is characterized in that: described box body top is provided with handle.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320343168.3U CN203381388U (en) | 2013-06-17 | 2013-06-17 | Self-erasing portable blackboard for teaching |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320343168.3U CN203381388U (en) | 2013-06-17 | 2013-06-17 | Self-erasing portable blackboard for teaching |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203381388U true CN203381388U (en) | 2014-01-08 |
Family
ID=49869911
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320343168.3U Expired - Fee Related CN203381388U (en) | 2013-06-17 | 2013-06-17 | Self-erasing portable blackboard for teaching |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203381388U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108357261A (en) * | 2018-05-21 | 2018-08-03 | 佛山科学技术学院 | A kind of device of automatic blackboard cleaning |
-
2013
- 2013-06-17 CN CN201320343168.3U patent/CN203381388U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108357261A (en) * | 2018-05-21 | 2018-08-03 | 佛山科学技术学院 | A kind of device of automatic blackboard cleaning |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20140108 Termination date: 20140617 |
|
| EXPY | Termination of patent right or utility model |