CN202389060U - Blackboard with blackboard eraser - Google Patents
Blackboard with blackboard eraser Download PDFInfo
- Publication number
- CN202389060U CN202389060U CN2011204404909U CN201120440490U CN202389060U CN 202389060 U CN202389060 U CN 202389060U CN 2011204404909 U CN2011204404909 U CN 2011204404909U CN 201120440490 U CN201120440490 U CN 201120440490U CN 202389060 U CN202389060 U CN 202389060U
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- China
- Prior art keywords
- blackboard
- cross bar
- utility
- model
- cleaning cloth
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
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Abstract
The utility model discloses a blackboard with a blackboard eraser. The blackboard comprises a blackboard surface, a cleaning device, a first flexible belt and a second flexible belt. The cleaning device comprises a cross rod and a piece of cleaning cloth. The cleaning cloth is arranged on the cross rod, one end of each of the first flexible belt and the second flexible belt is fixed at the top end of the blackboard, the other end of each of the first flexible belt and the second flexible belt is fixedly connected with the two ends of the cross rod. The blackboard with the blackboard eraser is simple in structure, convenient in manufacture and simple in use and installation. Chalk dust can be easily and quickly cleaned, and power can be saved while cleaning.
Description
Technical field
The utility model relates to a kind of blackboard, relates in particular to a kind of blackboard that is provided with blackboard eraser.
Background technology
Blackboard and chalk are the instruments of transmission of culture, also are the drugs of harm health.The engineer of how many souls suffers from chronic illness because of again and again dust pollution, inspiration tracheae, has left the dais too early.Though country remedies the harm of this occupational disease to the teacher with subsidy always, life is difficult to go to compensate with money.Be sitting in front-seat student, receive the threat of dust equally.How fast clean chalk dust on the removal blackboard be that scientific circles manage the difficulty of capturing for a long time always.
Simultaneously, when erasing the board, need clean blackboard surface repeatedly with blackboard eraser, bring the consumption on the muscle power to the user to the user.
Therefore those skilled in the art be devoted to develop a kind of can clean fast place to go chalk dust and scouring labour-saving blackboard.
The utility model content
In view of above-mentioned the problems of the prior art, the utility model technical problem to be solved is that existing blackboard eraser is wasted time and energy except that chalk dust.
A kind of blackboard that is provided with blackboard eraser of the utility model; Comprise blackboard surface, cleaning device, first telescopic band and second telescopic band; Said cleaning device comprises cross bar and cleaning cloth; Said cleaning cloth is located on the said cross bar, and an end of said first and second telescopic bands is fixed in the top of blackboard surface, and the other end of said first telescopic band and second telescopic band is fixedly connected with the two ends of said cross bar respectively.
In a preferred embodiments of the utility model, said cleaning cloth is a flannelette.
In another preferred embodiments of the utility model, said cleaning cloth and said cross bar releasable connection.
In another preferred embodiments of the utility model, also be provided with draw ring on the said cross bar.
In another preferred embodiments of the utility model, said cross bar be shaped as cylinder.
The blackboard structure that is provided with blackboard eraser of the utility model is simple, easy to make, uses and installs all comparatively easy.Can be fast clean place to go chalk dust and clean laborsaving.
Description of drawings
Fig. 1 is the structural representation of the embodiment of the utility model;
Fig. 2 is the front view of cross bar of the embodiment of the utility model;
Fig. 3 is the rearview of cross bar of the embodiment of the utility model.
The specific embodiment
Below will combine accompanying drawing and embodiment that the utility model is done concrete explaination.
The blackboard that is provided with blackboard eraser of the embodiment of the utility model as shown in Figure 1 comprises blackboard surface 1, cleaning device 2, first telescopic band 3 and second telescopic band 4.
Shown in Fig. 2 and Fig. 3, cleaning device 2 comprises cross bar 21 and cleaning cloth 22, and cleaning cloth 22 is located on the cross bar 21.Cleaning cloth is used to wipe the chalk dust on the blackboard surface.
Shown in Fig. 1, an end of first telescopic band 3 and second telescopic band 4 is fixed in top 11, the first telescopic bands 3 of blackboard surface 1 and the other end of second telescopic band 4 is fixedly connected with the two ends of cross bar 21 respectively.Thereby the cross bar along continuous straight runs is suspended on the blackboard surface.
The cleaning cloth that the utility model utilization horizontally suspends on the blackboard surface cross tube is wiped the chalk dust on the blackboard surface.And utilized the telescopic moving cross bar up and down of the telescopic band on the cross bar, when the cleaning cloth that does not use on the cross bar, utilize telescopic band cross bar to be retracted to the top of blackboard surface; When need used the cleaning cloth on the cross bar, the cross bar of leaving behind in the cross bar of leaving behind, utilized the Cleaning cloth scrub on the cross bar to remove the chalk dust on the blackboard surface, and can move up and down cross bar, further removes chalk dust.
The utility model is simple in structure, and is easy to make, uses and installs all comparatively easy.Can be fast clean place to go chalk dust and clean laborsaving.
As shown in Figure 3, in the embodiment of the utility model, cleaning cloth is a flannelette.Certainly, in other embodiments, can be wet rag etc., as long as can clean chalk dust, present embodiment does not limit this yet.
In the embodiment of the utility model, cleaning cloth and said cross bar releasable connection.When need clean cleaning cloth, can dismantle comparatively easily.
As shown in Figure 2, in the embodiment of the utility model, also be provided with draw ring 23 on the cross bar 21.Draw ring can make things convenient for the user to leave behind or move up and down cross bar.
In addition, in the embodiment of the utility model, cross bar be shaped as cylinder.Certainly, can be cuboid, present embodiment does not limit this yet.
More than the specific embodiment of the utility model is described in detail, but it is as example, the utility model is not restricted to the specific embodiment of above description.To those skilled in the art, any equivalent modifications that this practicality is carried out with substitute also all among the category of the utility model.Therefore, impartial conversion and the modification under spirit that does not break away from the utility model and scope, done all should be encompassed in the scope of the utility model.
Claims (5)
1. blackboard that is provided with blackboard eraser; It is characterized in that; Comprise blackboard surface, cleaning device, first telescopic band and second telescopic band, said cleaning device comprises cross bar and cleaning cloth, and said cleaning cloth is located on the said cross bar; One end of said first and second telescopic bands is fixed in the top of blackboard surface, and the other end of said first telescopic band and second telescopic band is fixedly connected with the two ends of said cross bar respectively.
2. the blackboard that is provided with blackboard eraser as claimed in claim 1 is characterized in that, said cleaning cloth is a flannelette.
3. the blackboard that is provided with blackboard eraser as claimed in claim 1 is characterized in that, said cleaning cloth and said cross bar releasable connection.
4. the blackboard that is provided with blackboard eraser as claimed in claim 1 is characterized in that, also is provided with draw ring on the said cross bar.
5. the blackboard that is provided with blackboard eraser as claimed in claim 1 is characterized in that, said cross bar be shaped as cylinder.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011204404909U CN202389060U (en) | 2011-11-09 | 2011-11-09 | Blackboard with blackboard eraser |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011204404909U CN202389060U (en) | 2011-11-09 | 2011-11-09 | Blackboard with blackboard eraser |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202389060U true CN202389060U (en) | 2012-08-22 |
Family
ID=46664009
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011204404909U Expired - Fee Related CN202389060U (en) | 2011-11-09 | 2011-11-09 | Blackboard with blackboard eraser |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202389060U (en) |
-
2011
- 2011-11-09 CN CN2011204404909U patent/CN202389060U/en not_active Expired - Fee Related
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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: 20120822 Termination date: 20121109 |