CN204472334U - Dust-free black board eraser - Google Patents
Dust-free black board eraser Download PDFInfo
- Publication number
- CN204472334U CN204472334U CN201420829886.6U CN201420829886U CN204472334U CN 204472334 U CN204472334 U CN 204472334U CN 201420829886 U CN201420829886 U CN 201420829886U CN 204472334 U CN204472334 U CN 204472334U
- Authority
- CN
- China
- Prior art keywords
- blackboard eraser
- eraser body
- described blackboard
- cotton gauze
- dust
- 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
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- Drawing Aids And Blackboards (AREA)
Abstract
The utility model provides dust-free black board eraser, comprise blackboard eraser body, water tank is provided with in described blackboard eraser body, centre position, described blackboard eraser body upper end is provided with water inlet, centre position, described blackboard eraser body lower end is provided with delivery port, described blackboard eraser body arranged outside has shift knob, and described blackboard eraser body lower end is provided with cotton gauze.The beneficial effects of the utility model are provided with cotton gauze in blackboard eraser lower end, moisture can well be absorbed, clean the chalk on blackboard, avoid chalk powder to fly upward everywhere, tank is provided with in blackboard eraser, can keep the skin wet to cotton gauze at any time, use safety, eliminates the impact of chalk powder on student and teacher.
Description
Technical field
The utility model belongs to realia field, especially relates to a kind of dust-free black board eraser.
Background technology
Blackboard eraser is requisite apparatus in teaching process, but existing blackboard eraser can not absorb chalk powder, and chalk powder can be made in the process erased the board everywhere to fly upward.Chalk powder can affect the respiratory system of the person, is very large, even can reduces the life-span of teacher for teacher's impact of living in for a long time in chalk powder.
Utility model content
The purpose of this utility model is to provide a kind of dust-free black board eraser, and chalk powder can be avoided everywhere to fly upward.
The technical solution of the utility model is: dust-free black board eraser, comprise blackboard eraser body, water tank is provided with in described blackboard eraser body, centre position, described blackboard eraser body upper end is provided with water inlet, centre position, described blackboard eraser body lower end is provided with delivery port, described blackboard eraser body arranged outside has shift knob, and described blackboard eraser body lower end is provided with cotton gauze.
The advantage that the utility model has and good effect are: owing to adopting technique scheme, cotton gauze is provided with in blackboard eraser lower end, moisture can well be absorbed, clean the chalk on blackboard, avoid chalk powder to fly upward everywhere, in blackboard eraser, be provided with tank, can keep the skin wet to cotton gauze at any time, use safety, eliminates the impact of chalk powder on student and teacher.
Accompanying drawing explanation
Fig. 1 is structural representation of the present utility model.
In figure:
1, blackboard eraser body 2, water tank 3, water inlet
4, delivery port 5, shift knob 6, cotton gauze
Detailed description of the invention
Below in conjunction with accompanying drawing, the utility model is elaborated.
As shown in Figure 1, the utility model dust-free black board eraser, comprise blackboard eraser body 1, water tank 2 is provided with in described blackboard eraser body 1, centre position, described blackboard eraser body 1 upper end is provided with water inlet 3, centre position, described blackboard eraser body 1 lower end is provided with delivery port 4, and described blackboard eraser body 1 arranged outside has shift knob 5, and described blackboard eraser body 1 lower end is provided with cotton gauze 6.
Claims (1)
1. dust-free black board eraser, comprise blackboard eraser body (1), it is characterized in that: in described blackboard eraser body (1), be provided with water tank (2), described blackboard eraser body (1) centre position, upper end is provided with water inlet (3), described blackboard eraser body (1) centre position, lower end is provided with delivery port (4), described blackboard eraser body (1) arranged outside has shift knob (5), and described blackboard eraser body (1) lower end is provided with cotton gauze (6).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420829886.6U CN204472334U (en) | 2014-12-23 | 2014-12-23 | Dust-free black board eraser |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420829886.6U CN204472334U (en) | 2014-12-23 | 2014-12-23 | Dust-free black board eraser |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204472334U true CN204472334U (en) | 2015-07-15 |
Family
ID=53628116
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420829886.6U Expired - Fee Related CN204472334U (en) | 2014-12-23 | 2014-12-23 | Dust-free black board eraser |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204472334U (en) |
-
2014
- 2014-12-23 CN CN201420829886.6U patent/CN204472334U/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 | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20150715 Termination date: 20151223 |
|
| EXPY | Termination of patent right or utility model |