CN203974334U - A kind of novel blackboard eraser - Google Patents
A kind of novel blackboard eraser Download PDFInfo
- Publication number
- CN203974334U CN203974334U CN201420362260.9U CN201420362260U CN203974334U CN 203974334 U CN203974334 U CN 203974334U CN 201420362260 U CN201420362260 U CN 201420362260U CN 203974334 U CN203974334 U CN 203974334U
- Authority
- CN
- China
- Prior art keywords
- plate body
- storage cavity
- water storage
- blackboard eraser
- delivery port
- 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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- Drawing Aids And Blackboards (AREA)
Abstract
The utility model discloses a kind of novel blackboard eraser, it comprises plate body and wiping body, plate body inside is provided with water storage cavity, water storage cavity is provided with the delivery port contacting with wiping body, in delivery port, be provided with nozzle, plate body is provided with this water storage cavity of extruding and causes the button of delivery port water outlet, is provided with compressed spring between button and plate body; On plate body dual-side, be also provided with dust block board, dust block board dual-side is provided with rotating shaft, and plate body is provided with the axis hole inserting for rotating shaft, and dust block board can rotate around the axis and be connected on this plate body; Plate body side is also installed with sucker.Use blackboard eraser of the present utility model, button is pressed water storage cavity, causes water storage cavity to be extruded distortion, is stored in water in water storage cavity and is also extruded into from the nozzle ejection in delivery port, and water is directed onto on wiping body, when blackboard wiping, can effectively prevent that dust from producing; Open the dust block board on blackboard eraser, reduce the dust dancing in the air and sucked by wiper; In the time not needing to use blackboard eraser, can blackboard eraser be inhaled on blackboard by sucker.
Description
Technical field
The utility model relates to teaching aid field, more particularly, relates to a kind of novel blackboard eraser.
Background technology
Along with scientific and technological development, increasing teacher brings into use multimedia teaching, because multimedia teaching directly can interconnection network, there is reasonable teaching resource, can supply teachers ' teaching and Students ' Learning, therefore, multimedia teaching has occupied very large ratio in existing teaching system, be specially adapted to the classroom instruction of university, because senior middle school and following school are on the one hand because teacher is also relatively strange for multimedia, buy on the other hand multi-media classroom and also need certain cost, and student also relatively adapts to traditional teaching pattern, therefore, they still take traditional traditional instruction substantially, because the meeting of writing and wipe of chalk produces certain dust, the respiratory tract of Faculty and Students has been brought to certain harm.
Utility model content
The technical problems to be solved in the utility model is, can produce the defect of dust for the above-mentioned blackboard eraser of prior art in wiping process, and a kind of novel blackboard eraser is provided.
The utility model solves the technical scheme that its technical problem adopts: construct a kind of novel blackboard eraser, it comprises plate body and wiping body, this plate body inside is provided with water storage cavity, this water storage cavity is provided with the delivery port contacting with this wiping body, in this delivery port, be provided with nozzle, this plate body is provided with this water storage cavity of extruding and causes the button of this delivery port water outlet, between this button and this plate body, is provided with compressed spring;
On this plate body dual-side, be also provided with dust block board, this dust block board dual-side is provided with rotating shaft, and this plate body is provided with the axis hole inserting for this rotating shaft, and this dust block board can be rotationally connected with on this plate body around this rotating shaft;
This plate body side is also installed with sucker.
In blackboard eraser described in the utility model, on this water storage cavity, be also provided with water inlet, this water inlet extends and is fixed to this plate body surface, and this water inlet seals by thread plug.
In blackboard eraser described in the utility model, this wiping body is sponge cloth.
Implement blackboard eraser of the present utility model, there is following beneficial effect: use blackboard eraser of the present utility model, press water storage cavity by button, cause water storage cavity to be extruded distortion, being stored in water in water storage cavity is also extruded into from the nozzle ejection in delivery port, water is directed onto on wiping body, then while continuing blackboard wiping, can effectively prevent that dust from producing; Open the dust block board on blackboard eraser simultaneously, reduce the dust dancing in the air and sucked by wiper; In the time not needing to use blackboard eraser, can blackboard eraser be inhaled at blackboard or other in the localities by sucker.
Brief description of the drawings
Below in conjunction with drawings and Examples, the utility model is described in further detail, in accompanying drawing:
Fig. 1 is the structural representation of the utility model blackboard eraser.
Detailed description of the invention
For making the purpose of this utility model, technical scheme and advantage clearer, below in conjunction with accompanying drawing, the utility model embodiment is described in further detail.
As shown in Figure 1, in novel blackboard eraser the first embodiment of the present utility model, a kind of novel blackboard eraser, it comprises plate body 1 and wiping body 2, this plate body 1 inside is provided with water storage cavity 3, and this water storage cavity 3 is provided with the delivery port 6 contacting with this wiping body 2, in this delivery port 6, is provided with nozzle 7, this plate body 1 is provided with this water storage cavity 3 of extruding and causes the button 4 of these delivery port 6 water outlets, is provided with compressed spring 5 between this button 4 and this plate body 1;
On this plate body 1 dual-side, be also provided with dust block board 8, these dust block board 8 dual-sides are provided with rotating shaft 12, and this plate body 1 is provided with the axis hole 13 inserting for this rotating shaft 12, and this dust block board 8 can be rotationally connected with on this plate body 1 around this rotating shaft 12; This plate body 1 side is also installed with sucker 11.
While using this blackboard eraser, only need be by in-built water storage cavity 3 full water, then pressing keys 4 in the process of blackboard wiping, cause water storage cavity 3 to be extruded distortion, being stored in water in water storage cavity 3 is also extruded into from the nozzle 7 in delivery port 6 and sprays, water is directed onto on wiping body 2, then while continuing blackboard wiping, can effectively prevent that dust from producing; Open the dust block board 8 on blackboard eraser simultaneously, reduce the dust dancing in the air and sucked by wiper; In the time not needing to use blackboard eraser, can blackboard eraser be inhaled at blackboard or other in the localities by sucker 11.
Further, on this water storage cavity 3, be also provided with water inlet 9, this water inlet 9 extends and is fixed to this plate body 1 surface, and this water inlet 9 seals by thread plug 10.
Further, this wiping body 2 is sponge cloth.
The foregoing is only embodiment of the present utility model; not thereby limit the scope of the claims of the present utility model; every equivalent structure or conversion of equivalent flow process that utilizes the utility model description and accompanying drawing content to do; or be directly or indirectly used in other relevant technical fields, be all in like manner included in scope of patent protection of the present utility model.
Claims (3)
1. a novel blackboard eraser, it comprises plate body and wiping body, it is characterized in that, described plate body inside is provided with water storage cavity, described water storage cavity is provided with the delivery port contacting with described wiping body, in described delivery port, be provided with nozzle, described plate body is provided with the described water storage cavity of extruding and causes the button of described delivery port water outlet, between described button and described plate body, is provided with compressed spring; On described plate body dual-side, be also provided with dust block board, described dust block board dual-side is provided with rotating shaft, and described plate body is provided with the axis hole inserting for described rotating shaft, and described dust block board can be rotationally connected with on described plate body around described rotating shaft; Described plate body side is also installed with sucker.
2. blackboard eraser according to claim 1, is characterized in that, is also provided with water inlet on described water storage cavity, and described water inlet extends and is fixed to described plate body surface, and described water inlet seals by thread plug.
3. blackboard eraser according to claim 1, is characterized in that, described wiping body is sponge cloth.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420362260.9U CN203974334U (en) | 2014-07-02 | 2014-07-02 | A kind of novel blackboard eraser |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420362260.9U CN203974334U (en) | 2014-07-02 | 2014-07-02 | A kind of novel blackboard eraser |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203974334U true CN203974334U (en) | 2014-12-03 |
Family
ID=51971816
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420362260.9U Expired - Fee Related CN203974334U (en) | 2014-07-02 | 2014-07-02 | A kind of novel blackboard eraser |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203974334U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105966127A (en) * | 2016-05-26 | 2016-09-28 | 刘乐凝 | Dustproof blackboard eraser |
| CN106739703A (en) * | 2017-01-16 | 2017-05-31 | 赵子宁 | A kind of electric dustless blackboard eraser |
| CN112895778A (en) * | 2021-03-02 | 2021-06-04 | 衢州学院 | Automatic wetting dust-fixing dust-absorbing blackboard eraser |
-
2014
- 2014-07-02 CN CN201420362260.9U patent/CN203974334U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105966127A (en) * | 2016-05-26 | 2016-09-28 | 刘乐凝 | Dustproof blackboard eraser |
| CN106739703A (en) * | 2017-01-16 | 2017-05-31 | 赵子宁 | A kind of electric dustless blackboard eraser |
| CN112895778A (en) * | 2021-03-02 | 2021-06-04 | 衢州学院 | Automatic wetting dust-fixing dust-absorbing blackboard 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: 20141203 Termination date: 20150702 |
|
| EXPY | Termination of patent right or utility model |