CN201573451U - Dustless two-faced chalk brush - Google Patents
Dustless two-faced chalk brush Download PDFInfo
- Publication number
- CN201573451U CN201573451U CN2009202653505U CN200920265350U CN201573451U CN 201573451 U CN201573451 U CN 201573451U CN 2009202653505 U CN2009202653505 U CN 2009202653505U CN 200920265350 U CN200920265350 U CN 200920265350U CN 201573451 U CN201573451 U CN 201573451U
- Authority
- CN
- China
- Prior art keywords
- dustless
- plastic ring
- faced
- chalk brush
- utility
- 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
Links
Images
Landscapes
- Devices For Medical Bathing And Washing (AREA)
Abstract
The utility model relates to a dustless two-faced chalk brush. Based on a conventional chalk brush, the dustless two-faced chalk brush is characterized in that a plastic ring is arranged at the outer periphery of the chalk brush, a layer of rubber leather ring is arranged outside the plastic ring, and the upper edge and the lower edge of the rubber leather ring are leveled to the two faces of the chalk brush respectively. The utility model can ensure the health of teachers and students.
Description
Technical field
The utility model relates to school supply and stationery, is meant that especially a kind of dustless two sides whitewashes.
Background technology
Current, widely used whitewashing in school when erasing the board, tends to cause dust to rise from all around, and teacher and the student who is sitting in the front row very easily just suck, and they just give rise to diseases aspect respiratory system easily like this, endanger people's physical and mental health.
Summary of the invention
The purpose of this utility model provides a kind of dustless two sides and whitewashes, can be when erasing blackboard dust will be housed in the plastic ring and can not kicked up.
Technical solution of the present utility model is on the existing basis of whitewashing, whitewash external edge along around a plastic ring is arranged, there is one deck rubber enclosed the plastic ring outside, upper and lower two edges of rubber enclosed are respectively with to whitewash the two sides concordant.
Above-described plastic ring face is lower than the face of whitewashing.
Operation principle of the present utility model is when dustless two sides is whitewashed at erasing blackboard, and dust will be housed in the dust cover that plastic ring and rubber enclosed form and can not kicked up, but and the two sides whitewash.
The utility model has the advantages that make the academics and students healthy played a guarantee.
Description of drawings
Fig. 1 structural representation of the present utility model.
Fig. 2 A-A anatomical structure of the present utility model schematic diagram.
The specific embodiment
The utility model whitewashes on 1 the basis existing, whitewashing 1 external edge along around a plastic ring 2 is arranged, there is one deck rubber enclosed 3 plastic ring 2 outsides, rubber enclosed 3 upper and lower two edges are respectively with to whitewash 1 two sides concordant, plastic ring 2 faces are lower than and whitewash 1.
Claims (2)
1. a dustless two sides is whitewashed, and comprises and whitewashing, it is characterized in that whitewashing external edge along around a plastic ring arranged, there is one deck rubber enclosed the plastic ring outside, upper and lower two edges of rubber enclosed are respectively with to whitewash the two sides concordant.
2. a kind of dustless two sides according to claim 1 is whitewashed, and it is characterized in that the plastic ring face is lower than the face of whitewashing.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009202653505U CN201573451U (en) | 2009-12-22 | 2009-12-22 | Dustless two-faced chalk brush |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009202653505U CN201573451U (en) | 2009-12-22 | 2009-12-22 | Dustless two-faced chalk brush |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201573451U true CN201573451U (en) | 2010-09-08 |
Family
ID=42693333
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2009202653505U Expired - Fee Related CN201573451U (en) | 2009-12-22 | 2009-12-22 | Dustless two-faced chalk brush |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201573451U (en) |
-
2009
- 2009-12-22 CN CN2009202653505U patent/CN201573451U/en not_active Expired - Fee Related
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN201573451U (en) | Dustless two-faced chalk brush | |
| CN205058968U (en) | Novel multi -functional blackboard | |
| CN201552928U (en) | Dust-free blackboard eraser | |
| CN202378544U (en) | Magnetic writing board | |
| CN203766326U (en) | Portable chinese teaching blackboard | |
| CN201573450U (en) | Dust box with brush | |
| CN201659813U (en) | Dustproof blackboard eraser | |
| CN202389064U (en) | Dust-collection chalk eraser | |
| CN203093530U (en) | Blackboard eraser | |
| CN204801344U (en) | Teaching is with inhaling grey chalkboard eraser | |
| CN203600837U (en) | Combination type blackboard | |
| CN202847263U (en) | Dustproof blackboard eraser | |
| CN204622951U (en) | Health blackboard eraser | |
| CN203198542U (en) | Eraser capable of being hung | |
| CN203995346U (en) | Automatic blackboard eraser | |
| CN202480711U (en) | Dustproof blackboard eraser | |
| CN203198533U (en) | Multifunctional board eraser | |
| CN202862952U (en) | Quick-cleaning blackboard | |
| CN204055089U (en) | Gliding style blackboard eraser | |
| CN204414969U (en) | A kind of dust-removing blackboard eraser | |
| CN202420327U (en) | Healthcare scale | |
| CN201788602U (en) | Multifunctional teaching rod | |
| CN206170966U (en) | No chalk formula word blackboard that disappears fast | |
| CN205185642U (en) | Multifunctional chalk cover | |
| CN202517968U (en) | Dust absorption blackboard eraser |
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: 20100908 Termination date: 20101222 |