CN204547497U - A kind of squash type blackboard eraser - Google Patents
A kind of squash type blackboard eraser Download PDFInfo
- Publication number
- CN204547497U CN204547497U CN201520239763.1U CN201520239763U CN204547497U CN 204547497 U CN204547497 U CN 204547497U CN 201520239763 U CN201520239763 U CN 201520239763U CN 204547497 U CN204547497 U CN 204547497U
- Authority
- CN
- China
- Prior art keywords
- blackboard eraser
- eraser body
- sponge
- handle
- connecting rod
- 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
The utility model discloses a kind of squash type blackboard eraser, this squash type blackboard eraser comprises: handle, blackboard eraser body, groove handle, connecting rod, projection, sponge; Handle is arranged on the top of blackboard eraser body, and sponge is arranged on the bottom of blackboard eraser body, and connecting rod is positioned at blackboard eraser body inside, the upper end of connecting rod is connected with handle, the lower end of connecting rod is connected with sponge, and the inwall of blackboard eraser body is provided with projection, and groove handle is arranged on the middle part of blackboard eraser body.The advantage that the utility model has and good effect are: this squash type blackboard eraser is by blackboard eraser body and protruding squeezing action, water in sponge is extruded, the generation of sewage vestige is left when can effectively prevent from erasing the board, the absorbent material layer that the bottom periphery of blackboard eraser body is arranged also can absorb sewage further, and wiping effect is good.
Description
Technical field
The utility model belongs to teaching aid field, particularly relates to a kind of squash type blackboard eraser.
Background technology
Time at present in order to avoid erasing the board, chalk dust flies upward, all use sponge blackboard eraser in classroom, erase the board after sponge blackboard eraser gets wet and can effectively avoid chalk dust to fly upward, but sponge blackboard eraser has sewage to flow out from blackboard eraser when erasing the board, blackboard leaves the marking, wipes unclean.
Utility model content
The object of the utility model embodiment is to provide a kind of squash type blackboard eraser, is intended to solve the problem that can leave sewage trace when existing sponge blackboard eraser erases the board.
The utility model is achieved in that this squash type blackboard eraser comprises: handle, blackboard eraser body, groove handle, connecting rod, projection, sponge; Handle is arranged on the top of blackboard eraser body, and sponge is arranged on the bottom of blackboard eraser body, and connecting rod is positioned at blackboard eraser body inside, the upper end of connecting rod is connected with handle, the lower end of connecting rod is connected with sponge, and the inwall of blackboard eraser body is provided with projection, and groove handle is arranged on the middle part of blackboard eraser body.
Further, the strip of described projection to be cross section be semicircle is protruding.
Further, the bottom periphery of described blackboard eraser body is provided with one deck absorbent material layer.
The advantage that the utility model has and good effect are: this squash type blackboard eraser is by blackboard eraser body and protruding squeezing action, water in sponge is extruded, the generation of sewage vestige is left when can effectively prevent from erasing the board, the absorbent material layer that the bottom periphery of blackboard eraser body is arranged also can absorb sewage further, and wiping effect is good.
Accompanying drawing explanation
Fig. 1 is the structural representation of a kind of squash type blackboard eraser that the utility model embodiment provides;
Fig. 2 is the longitudinal sectional view of the squash type blackboard eraser that the utility model embodiment provides;
In figure: 1, handle; 2, blackboard eraser body; 3, groove handle; 4, connecting rod; 5, protruding; 6, sponge; 7, absorbent material layer.
Detailed description of the invention
In order to make the purpose of this utility model, technical scheme and advantage clearly understand, below in conjunction with embodiment, this utility model is further elaborated.Should be appreciated that specific embodiment described herein only in order to explain this utility model, and be not used in restriction the utility model.
Below in conjunction with drawings and the specific embodiments, application principle of the present utility model is further described.
As shown in Figure 1 and Figure 2, the utility model is achieved in that a kind of squash type blackboard eraser comprises handle 1, blackboard eraser body 2, groove handle 3, connecting rod 4, projection 5, sponge 6;
Handle 1 is arranged on the top of blackboard eraser body 2, and sponge 6 is arranged on the bottom of blackboard eraser body 2, and it is inner that connecting rod 4 is positioned at blackboard eraser body 2, the upper end of connecting rod 4 is connected with handle 1, the lower end of connecting rod 4 is connected with sponge 6, and the inwall of blackboard eraser body 2 is provided with protruding 5, groove handle 3 is arranged on the middle part of blackboard eraser body 2.
Further, described projection 5 for cross section be that the strip of semicircle is protruding.
Further, the bottom periphery of described blackboard eraser body 2 is provided with one deck absorbent material layer 7.
It is inner that connecting rod 4 is positioned at blackboard eraser body 2, and one end of this connecting rod 4 is connected with handle 1, and the other end is connected with sponge 6, after sponge 6 gets wet, sponge is drawn in blackboard eraser body 2 by pull-up handle 1, under the squeezing action of blackboard eraser body 2 with protruding 5, water in sponge 6 is extruded, put down handle 1, sponge 6 return, after being extruded, moisture in sponge 6 is few, can not leave sewage vestige when erasing the board, the absorbent material layer 7 that the bottom periphery of blackboard eraser body 2 is arranged also can absorb sewage further, ensure that wiping effect.
The advantage that the utility model has and good effect are: this squash type blackboard eraser is by blackboard eraser body and protruding squeezing action, water in sponge is extruded, the generation of sewage vestige is left when can effectively prevent from erasing the board, the absorbent material layer that the bottom periphery of blackboard eraser body is arranged also can absorb sewage further, and wiping effect is good.
The foregoing is only preferred embodiment of the present utility model; not in order to limit the utility model; all do within spirit of the present utility model and principle any amendment, equivalent to replace and improvement etc., all should be included within protection domain of the present utility model.
Claims (3)
1. a squash type blackboard eraser, is characterized in that, this squash type blackboard eraser comprises: handle, blackboard eraser body, groove handle, connecting rod, projection, sponge;
Handle is arranged on the top of blackboard eraser body, and sponge is arranged on the bottom of blackboard eraser body, and connecting rod is positioned at blackboard eraser body inside, the upper end of connecting rod is connected with handle, the lower end of connecting rod is connected with sponge, and the inwall of blackboard eraser body is provided with projection, and groove handle is arranged on the middle part of blackboard eraser body.
2. squash type blackboard eraser as claimed in claim 1, is characterized in that, the strip of described projection to be cross section be semicircle is protruding.
3. squash type blackboard eraser as claimed in claim 1, it is characterized in that, the bottom periphery of described blackboard eraser body is provided with one deck absorbent material layer.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520239763.1U CN204547497U (en) | 2015-04-16 | 2015-04-16 | A kind of squash type blackboard eraser |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520239763.1U CN204547497U (en) | 2015-04-16 | 2015-04-16 | A kind of squash type blackboard eraser |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204547497U true CN204547497U (en) | 2015-08-12 |
Family
ID=53822652
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520239763.1U Expired - Fee Related CN204547497U (en) | 2015-04-16 | 2015-04-16 | A kind of squash type blackboard eraser |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204547497U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110171238A (en) * | 2019-06-13 | 2019-08-27 | 亳州职业技术学院 | A kind of blackboard wipe clean |
-
2015
- 2015-04-16 CN CN201520239763.1U patent/CN204547497U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110171238A (en) * | 2019-06-13 | 2019-08-27 | 亳州职业技术学院 | A kind of blackboard wipe clean |
| CN110171238B (en) * | 2019-06-13 | 2021-02-05 | 亳州职业技术学院 | Blackboard cleaning eraser |
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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: 20150812 Termination date: 20160416 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |