CN202428943U - Environment-friendly blackboard eraser - Google Patents
Environment-friendly blackboard eraser Download PDFInfo
- Publication number
- CN202428943U CN202428943U CN2011205378935U CN201120537893U CN202428943U CN 202428943 U CN202428943 U CN 202428943U CN 2011205378935 U CN2011205378935 U CN 2011205378935U CN 201120537893 U CN201120537893 U CN 201120537893U CN 202428943 U CN202428943 U CN 202428943U
- Authority
- CN
- China
- Prior art keywords
- dust
- environment
- blackboard eraser
- friendly
- teachers
- 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 relates to blackboard erasers, in particular to an environment-friendly blackboard eraser mainly used for erasing chalk writing. With the development and progress of teaching tools of our country, people have high requirements for environment protection and physical and psychological health, and in colleges, middle schools and primary schools, teachers and students commonly and greatly focus on harm of dust caused by chalk. At present, an existing blackboard eraser does not have a function of collecting the dust, can cause great harm to the teachers and the students physically and psychologically in the use process, and has obvious defects and function shortcomings. Aiming at the problem of the prior art, the environment-friendly blackboard eraser in a counter-tradition structural mode is provided and designed. The environment-friendly blackboard eraser has the function of collecting the dust in the use process, a dust collecting box is arranged at the lower end of the environment-friendly blackboard eraser and can effectively collect the falling dust when a blackboard is erased, and the dust naturally falls into a dust collecting box body from a gap between felt strips. Besides the functions of dust removing and environment protection, the environment-friendly blackboard eraser further reduces the physical and psychological harm to the teachers and the students so as to achieve the aims of high application value, strong independent choice of pertinence, a good dust collecting effect, novel appearance modeling, safety, sanitation and long service life.
Description
Technical field
The utility model relates to a kind of of blackboard eraser, is mainly used in the environment-friendly dust-proof eraser of wiping letter written with chalk.
Background technology
Development and progress along with the teaching aid of China; People are to environmental protection and the higher requirement of physically and mentally healthy proposition; The general change of teachers and students all causes the harm of dust very to pay close attention to chalk in the large, medium and small school of China; Present existing blackboard eraser is not collected the function of dust, causes great harm in use can for teachers and students' body and mind, has the deficiency on obvious defects and the function.
Summary of the invention
The new purpose of this practicality is exactly the problem that exists to prior art, and design provides a kind of environment-friendly dust-proof eraser of confrontational tactic pattern, and environment-friendly dust-proof eraser in use has the effect of collecting dust; Lower end at environment-friendly dust-proof eraser is provided with dust-collecting box, falls into naturally in the control of dust box body the space of dust between felt rug and felt rug that its ability effective collection falls down when erasing the board, and has the function of dedusting environment friendly; More reduced harm to teachers and students' body and mind; Thereby reach the using value height, independently select with strong pointsly, dust collecting effect is good; Appearance and modeling is novel, safety and sanitation, the purpose of long service life.
The utility model solves the technical scheme that its technical problem adopted: be to adopt felt rug and plastic castings to form; Felt rug is embedded in the backboard body groove that leaves the space; It is identical that the felt rug backboard body that is provided with the relative dovetail of single face up and down is provided with the relative dovetail groove size and dimension of single face on two ends and the control of dust box body; The felt rug backboard body that will be provided with the relative dovetail of single face is again recognized meaning one end straight cutting up and down and is gone into control of dust box body upper end and be provided with in the relative dovetail groove of single face and match, and environment-friendly dust-proof eraser integral body is rectangle.
Description of drawings
Fig. 1, be the utility model general structure three-dimensional exploded view
Fig. 2, be the utility model general structure front view
Fig. 3, be that the utility model general structure attaches view
Piece number explanation among the figure: 1, control of dust is fit; 2, the relative dovetail groove of single face; 3, be provided with the felt rug backboard body of the relative dovetail of single face; 4, felt rug; 5, connect the dirt felt rug; 6, backboard body groove.
The specific embodiment
Below in conjunction with accompanying drawing the utility model optimum implementation is described in detail.
Environment-friendly dust-proof eraser; It is characterized in that felt rug 3 is embedded in the backboard body groove 6 that leaves the space; To be provided with the relative dovetail groove of single face 2 size and dimensions identical two ends and control of dust box body 1 upper end about in the of 3 for the felt rug backboard body that is provided with the relative dovetail of single face; The felt rug backboard body 3 that will be provided with the relative dovetail of single face is again recognized meaning one end straight cutting up and down and is gone into control of dust box body 1 upper end and be provided with in the relative dovetail groove of single face 2 and match, and environment-friendly dust-proof eraser integral body is rectangle.
Claims (1)
1. environment-friendly dust-proof eraser; It is characterized in that: felt rug (4) is embedded in the backboard body groove (6) that leaves the space; To be provided with the relative dovetail groove of single face (2) size and dimension identical two ends and control of dust box body (1) upper end up and down for the felt rug backboard body (3) that is provided with the relative dovetail of single face; The felt rug backboard body (3) that will be provided with the relative dovetail of single face is again recognized meaning one end straight cutting up and down and is gone into control of dust box body (1) upper end and be provided with in the relative dovetail groove of single face (2) and match, and environment-friendly dust-proof eraser integral body is rectangle.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011205378935U CN202428943U (en) | 2011-12-14 | 2011-12-14 | Environment-friendly blackboard eraser |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011205378935U CN202428943U (en) | 2011-12-14 | 2011-12-14 | Environment-friendly blackboard eraser |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202428943U true CN202428943U (en) | 2012-09-12 |
Family
ID=46778414
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011205378935U Expired - Fee Related CN202428943U (en) | 2011-12-14 | 2011-12-14 | Environment-friendly blackboard eraser |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202428943U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104260584A (en) * | 2014-10-30 | 2015-01-07 | 罗国友 | Dustproof efficient blackboard eraser |
-
2011
- 2011-12-14 CN CN2011205378935U patent/CN202428943U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104260584A (en) * | 2014-10-30 | 2015-01-07 | 罗国友 | Dustproof efficient blackboard eraser |
| CN104260584B (en) * | 2014-10-30 | 2016-02-24 | 林霏 | A kind of blackboard eraser of dust-proof efficient |
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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: 20120912 Termination date: 20141214 |
|
| EXPY | Termination of patent right or utility model |