CN202163197U - Multifunctional blackboard eraser - Google Patents
Multifunctional blackboard eraser Download PDFInfo
- Publication number
- CN202163197U CN202163197U CN2011202768192U CN201120276819U CN202163197U CN 202163197 U CN202163197 U CN 202163197U CN 2011202768192 U CN2011202768192 U CN 2011202768192U CN 201120276819 U CN201120276819 U CN 201120276819U CN 202163197 U CN202163197 U CN 202163197U
- Authority
- CN
- China
- Prior art keywords
- foam
- rubber cushion
- connecting plate
- blackboard eraser
- multifunctional blackboard
- 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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- Cleaning Implements For Floors, Carpets, Furniture, Walls, And The Like (AREA)
Abstract
A multifunctional blackboard eraser mainly comprises a connecting board in a hollow structure and a spongy cushion. The front face and two symmetrical lateral sides are provided with openings filled with the spongy cushion which is kept being exposed from the opening of the front face, pressure boards are connected to the openings of lateral sides of the connecting board through torsion springs respectively, and the spongy cushion in the connecting board is pressed by the bottom of each pressure board. The multifunctional blackboard eraser has the advantages of simplicity and convenience in operation, cleanness, safety, reasonability in process and the like.
Description
Technical field the utility model relates to a kind of realia, especially blackboard wiping instrument.
Background technology from ancient times to the present, blackboard eraser always is one of most important blackboard wiping instrument in the school instruction.At present, blackboard eraser is still continued to use the traditional design structure, adopts plate face and bristle combining structure.But the blackboard eraser of this kind structure in use can produce amounts of dust, and the serious harm teachers and students are healthy.For this reason, some teachers and students can use the rag or the foam-rubber cushion that get wet to replace the blackboard plate, in order to avoid produce chalk ash pollution.These rags or foam-rubber cushion bother when cleaning very much, bring very big inconvenience to people.
The purpose of summary of the invention the utility model provides a kind of multifunctional blackboard eraser that reduces dust pollution and convenience for washing.
The utility model mainly comprises connecting plate and foam-rubber cushion, and described connecting plate is a hollow-core construction, the difference opening in positive and symmetrical two sides, and portion inserts foam-rubber cushion within it, and keeps foam-rubber cushion to expose from front openings; At the lateral opening end of connecting plate, connect pressing plate through torque spring respectively, and the inner foam-rubber cushion of connecting plate is pushed down on the pressing plate base.
During use, the user holds connecting plate, gets wet foam-rubber cushion then and soaks, and utilizes moist foam-rubber cushion blackboard wiping just can.During cleaning, the user holds the pressing plate of connecting plate both sides, in the whole immersion of blackboard eraser water, pushes pressing plate with hand then, constantly pushes foam-rubber cushion through pressing plate, extrudes its surperficial dust and sewage, accomplishes and cleans purpose.
Compared with present technology, the beneficial effect of the utility model is: easy and simple to handle, safe and sanitary, technology are reasonable, can reduce dust pollution in the wiping process, and convenience for washing.
Description of drawings Fig. 1 is the stereochemical structure sketch of the utility model.
The specific embodiment is in the stereochemical structure sketch of the utility model shown in Figure 1; Mainly comprise connecting plate 1 and foam-rubber cushion 2, described connecting plate is a hollow-core construction, the difference opening in positive and symmetrical two sides; Portion inserts foam-rubber cushion within it, and keeps foam-rubber cushion to expose from front openings; At the lateral opening end of connecting plate, connect pressing plate 3 through torque spring respectively, and the inner foam-rubber cushion of connecting plate is pushed down on the pressing plate base.
Claims (1)
1. multifunctional blackboard eraser; Mainly comprise connecting plate (1) and foam-rubber cushion (2), it is characterized in that: described connecting plate (1) is hollow-core construction, the difference opening in positive and symmetrical two sides; Portion inserts foam-rubber cushion (2) within it, and keeps foam-rubber cushion (2) to expose from front openings; At the lateral opening end of connecting plate (1), connect pressing plate (3) through torque spring respectively, and the inner foam-rubber cushion (2) of connecting plate (1) is pushed down on pressing plate (3) base.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011202768192U CN202163197U (en) | 2011-08-02 | 2011-08-02 | Multifunctional blackboard eraser |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011202768192U CN202163197U (en) | 2011-08-02 | 2011-08-02 | Multifunctional blackboard eraser |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202163197U true CN202163197U (en) | 2012-03-14 |
Family
ID=45799047
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011202768192U Expired - Fee Related CN202163197U (en) | 2011-08-02 | 2011-08-02 | Multifunctional blackboard eraser |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202163197U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107487118A (en) * | 2017-07-27 | 2017-12-19 | 张冬 | A kind of Waterborne blackboard eraser equipped with cleaning plant |
-
2011
- 2011-08-02 CN CN2011202768192U patent/CN202163197U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107487118A (en) * | 2017-07-27 | 2017-12-19 | 张冬 | A kind of Waterborne blackboard eraser equipped with cleaning plant |
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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: 20120314 Termination date: 20120802 |