CN202319597U - Environment-friendly blackboard eraser - Google Patents
Environment-friendly blackboard eraser Download PDFInfo
- Publication number
- CN202319597U CN202319597U CN2011204122315U CN201120412231U CN202319597U CN 202319597 U CN202319597 U CN 202319597U CN 2011204122315 U CN2011204122315 U CN 2011204122315U CN 201120412231 U CN201120412231 U CN 201120412231U CN 202319597 U CN202319597 U CN 202319597U
- Authority
- CN
- China
- Prior art keywords
- environment
- blackboard eraser
- model
- friendly blackboard
- friendly
- 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
- Drawing Aids And Blackboards (AREA)
Abstract
The utility model discloses an environment-friendly blackboard eraser, which is characterized in that: on the lower part of a model car (1), a model car roller (2) drives a rolling shaft (3) and a brush (4) attached to the rolling shaft (3) to rotate, chalk dust generated is filled in a funnel-shaped channel sealed water tank (5) special device, and one end of the rolling shaft (3) is connected with the model car roller (2), and the other end of the rolling shaft (3) is connected with a model shell provided with a groove in the size same as the semi-circle of the model car roller. After the environment-friendly blackboard eraser is used, the water tank is opened, water and the chalk dust are poured out, and clean water is filled in the water tank before next use; and the environment-friendly blackboard eraser is novel in design, simple and practical, and the environment-friendly blackboard eraser is provided with the replaceable brush, so that the environment-friendly blackboard eraser is sanitary and environment-friendly, the cost is saved, and teachers, students and parents are not worried about the problems of pneumoconiosis and flying chalk dust any more.
Description
Technical field:
The utility model relates to a kind of novel environment-friendly dust-proof eraser.
Background technology:
Chalk is the main tool of present classroom instruction, but the chalk dust of generation can not be removed efficiently and purify with it, causes dust from flying, pollutes classroom environment, and the harm teachers and students are healthy, are teachers and students' healthy killers.Relevant report statistics in 1993 shows: the annual about 200 gram/people of chalk dust because of sucking on class of the teachers and students of China; About 20%/year of suffering from respiratory tract, PUD D, cancer; Have and suffer from occupational disease more than 60%, the chalk dust that flies upward simultaneously pollutes very big to teachers and students' personal hygiene.
Work under this environment for a long time can cause a series of pathologies, and wherein modal to the influence of nose is to bring out rhinitis sicca, secondly is hypertrophic rhinitis, mainly is to bring out chronic pharyngitis to the influence of pharynx, makes pharyngeal drying, and not well, the pharyngalgia of coughing up phlegm pharynx is itched; To bronchial influence mainly is to bring out chronic bronchitis, also can cause asthma sometimes, also might cause the canceration of parts such as nasopharynx, bronchus in addition.
The utility model content:
In order to address the above problem, the utility model adopts following technical scheme, and the purpose of the utility model provides a kind of novel environment-friendly dust-proof eraser; Principle is to be the below of car model (1) in profile, drives roller bearing (3) and invests hairbrush (4) rotation on the roller bearing (3) through car model roller (2), the chalk powder under wiping is put in tank (5) special device of a funnel channel sealing; One end of roller bearing (3) links to each other with car model roller (2); An other end links to each other with the model shell of band groove such as car model roller semicircle size, after finishing using, opens tank; Outwell water and chalk powder, the clear water of packing into before using next time gets final product; The utility model, modern design, simple and practical, hairbrush is replaceable, not only health, environmental protection but also cost-saved, the problem puzzlement that teacher, classmate and the head of a family are no longer disorderly flown by dust lung and chalk powder houseful.
Description of drawings:
Fig. 1 is the structural representation of the utility model.
The specific embodiment:
As shown in Figure 1; This specific embodiment is to be the below of car model (1) in profile, drives roller bearing (3) and invests hairbrush (4) rotation on the roller bearing (3) through car model roller (2), the chalk powder under wiping is put in tank (5) special device of a funnel channel sealing; One end of roller bearing (3) links to each other with car model roller (2); An other end links to each other with the model shell of band groove such as car model roller semicircle size, after finishing using, opens tank; Outwell water and chalk powder, the clear water of packing into before using next time gets final product.
This specific embodiment is because its modern design, and is simple and practical, and not only health, environmental protection but also practice thrift cost is fit to popularize on a large scale.
Claims (1)
1. environment-friendly dust-proof eraser; It is characterized in that in profile being the below of car model (1); Drive roller bearing (3) and invest hairbrush (4) rotation on the roller bearing (3) through car model roller (2); Chalk powder under wiping is put in tank (5) special device of a funnel channel sealing, an end of roller bearing (3) links to each other with car model roller (2), and an other end links to each other with the model shell of band groove such as car model roller semicircle size.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011204122315U CN202319597U (en) | 2011-10-18 | 2011-10-18 | Environment-friendly blackboard eraser |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011204122315U CN202319597U (en) | 2011-10-18 | 2011-10-18 | Environment-friendly blackboard eraser |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202319597U true CN202319597U (en) | 2012-07-11 |
Family
ID=46431589
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011204122315U Expired - Fee Related CN202319597U (en) | 2011-10-18 | 2011-10-18 | Environment-friendly blackboard eraser |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202319597U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB2527729A (en) * | 2014-03-08 | 2016-01-06 | Evette Johnson | A duster |
-
2011
- 2011-10-18 CN CN2011204122315U patent/CN202319597U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB2527729A (en) * | 2014-03-08 | 2016-01-06 | Evette Johnson | A duster |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN202319597U (en) | Environment-friendly blackboard eraser | |
| CN202448579U (en) | Dust-adsorbing blackboard groove | |
| CN205009830U (en) | Can collect dust teaching blackboard | |
| CN2617599Y (en) | Automatic blackboard sponge | |
| CN203044385U (en) | Dust cleaner of blackboard eraser | |
| CN105500966A (en) | Chalk dust removing system | |
| CN204149729U (en) | A kind of Destination Management practical teaching blackboard | |
| CN204547503U (en) | A kind of manual dust absorption blackboard eraser | |
| CN202319512U (en) | Blackboard | |
| CN2936780Y (en) | Built-in dust collecting rolling blackboard | |
| CN201769543U (en) | Blackboard with chalk dust containing device | |
| CN203995346U (en) | Automatic blackboard eraser | |
| CN206475639U (en) | A kind of high efficiency board of education of English teaching | |
| CN203888485U (en) | Hand-cranking writing-wiping integrated blackboard | |
| CN203472361U (en) | Environment-friendly dust-free chalkboard eraser | |
| CN204398704U (en) | Dust absorbnig chalk eraser | |
| CN201792664U (en) | Dust-proof blackboard eraser | |
| CN206664079U (en) | Wipe word hand rotating one environment friendly blackboard | |
| CN203580453U (en) | Automatic dust collection type blackboard eraser | |
| CN202557135U (en) | Dust-collecting blackboard eraser | |
| CN201895500U (en) | Blackboard | |
| CN202413112U (en) | Environment-friendly blackboard | |
| CN202480711U (en) | Dustproof blackboard eraser | |
| CN202345210U (en) | Blackboard eraser | |
| CN204160974U (en) | A kind of 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: 20120711 Termination date: 20131018 |