CN203920169U - A kind of blackboard eraser of the use of imparting knowledge to students - Google Patents
A kind of blackboard eraser of the use of imparting knowledge to students Download PDFInfo
- Publication number
- CN203920169U CN203920169U CN201420347828.XU CN201420347828U CN203920169U CN 203920169 U CN203920169 U CN 203920169U CN 201420347828 U CN201420347828 U CN 201420347828U CN 203920169 U CN203920169 U CN 203920169U
- Authority
- CN
- China
- Prior art keywords
- blackboard eraser
- handle
- cylinder
- blackboard
- unhairing
- 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
- 238000004140 cleaning Methods 0.000 claims abstract description 12
- 239000004744 fabric Substances 0.000 claims abstract description 10
- 239000000428 dust Substances 0.000 abstract description 4
- 238000001179 sorption measurement Methods 0.000 abstract description 3
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
Landscapes
- Drawing Aids And Blackboards (AREA)
Abstract
The utility model relates to a kind of blackboard eraser of the use of imparting knowledge to students, comprise handle, described handle one side is provided with blackboard eraser, on the wiping surface of described blackboard eraser, be pasted with cleaning wiping cloth, the opposite side of described handle is provided with U-lag, described U-lag is inner to contact with the output shaft of cylinder, the output shaft of described cylinder is connected with the gripper shoe that is positioned at handle one side, described gripper shoe both sides are provided with the spring of vertical layout, described spring upper end is connected with the fixed head that is fixed on handle, and the outside of described cylinder is provided with unhairing felt.The utility model is simple in structure, reasonable in design, and the utility model is by cleaning wiping cloth is set on blackboard eraser, and when blackboard eraser used after a period of time, the cleaning wiping cloth of only need to tearing is cleaned or changed, and has avoided the discarded wasting of resources bringing of entirety of blackboard eraser; By cylinder and unhairing felt are set, when blackboard eraser is after wiping, unhairing felt can be cleared up the dust of blackboard adsorption, ensures the clean of blackboard.
Description
Technical field
The utility model relates to education technique with the apparatus field, relates in particular to a kind of blackboard eraser of the use of imparting knowledge to students.
Background technology
The use of blackboard eraser in teaching is very extensive, at present conventional wiping blackboard structure is simple, general rectangular structure, in actual use, in the time that the letter written with chalk on blackboard carries out wiping, on blackboard after wiping repeatedly, be still also stained with dust and can not wiped clean, do not utilize like this writing of teacher, just entirety is discarded after long-time use for simultaneously current blackboard eraser, has so just caused the waste of resource.Therefore,, for addressing the above problem, spy provides a kind of new technical scheme.
Utility model content
The purpose of this utility model is in order to overcome the deficiencies in the prior art, and a kind of blackboard eraser of the use of imparting knowledge to students is provided.
The utility model is to be achieved through the following technical solutions:
A kind of blackboard eraser of the use of imparting knowledge to students, comprise handle, described handle one side is provided with blackboard eraser, on the wiping surface of described blackboard eraser, be pasted with cleaning wiping cloth, the opposite side of described handle is provided with U-lag, and described U-lag is inner to contact with the output shaft of cylinder, the output shaft of described cylinder is connected with the gripper shoe that is positioned at handle one side, described gripper shoe both sides are provided with the spring of vertical layout, and described spring upper end is connected with the fixed head that is fixed on handle, and the outside of described cylinder is provided with unhairing felt.
As preferably, described U-lag lower end is opening.
As preferably, the spring of described gripper shoe both sides is arranged symmetrically with.
As preferably, described unhairing felt is enclosed within on cylinder.
Compared with prior art, the beneficial effects of the utility model are: the utility model is simple in structure, reasonable in design, the utility model by arranging cleaning wiping cloth on blackboard eraser, when blackboard eraser used after a period of time, the cleaning wiping cloth of only need to tearing is cleaned or is changed, and has avoided the discarded wasting of resources bringing of entirety of blackboard eraser; By cylinder and unhairing felt are set, when blackboard eraser is after wiping, unhairing felt can be cleared up the dust of blackboard adsorption, ensures the clean of blackboard.
Brief description of the drawings
Fig. 1 is structural representation of the present utility model.
In figure: 1. handle; 2. blackboard eraser; 3. cleaning wiping cloth; 4.U shape groove; 5. cylinder; 6. gripper shoe; 7. spring; 8. fixed head; 9. unhairing felt.
Detailed description of the invention
In order to make the purpose of this utility model, technical scheme and advantage clearer, below in conjunction with drawings and Examples, the utility model is further elaborated.Should be appreciated that specific embodiment described herein is only in order to explain the utility model, and be not used in restriction the utility model.
Refer to Fig. 1, a kind of blackboard eraser of the use of imparting knowledge to students, comprise handle 1, described handle 1 one sides are provided with blackboard eraser 2, on the wiping surface of described blackboard eraser 2, be pasted with cleaning wiping cloth 3, when blackboard eraser 2 used after a period of time, the cleaning wiping cloth 3 of only need to tearing is cleaned or is changed, avoid the discarded wasting of resources bringing of entirety of blackboard eraser 2, the opposite side of described handle 1 is provided with U-lag 4, described U-lag 4 lower ends are opening, like this can be so that dismounting cylinder 5, described U-lag 4 is inner to contact with the output shaft of cylinder 5, the output shaft of described cylinder 5 is connected with the gripper shoe 6 that is positioned at handle 1 one sides, described gripper shoe 6 both sides are provided with the spring 7 of vertical layout, the spring 7 of described gripper shoe 6 both sides is arranged symmetrically with, by U-lag 4 and spring 7 are set, cylinder 5 and unhairing felt 9 can be compressed with blackboard surface, ensure the effect of cleaning, described spring 7 upper ends are connected with the fixed head 8 that is fixed on handle 1, the outside of described cylinder 5 is provided with unhairing felt 9, described unhairing felt 9 is enclosed within on cylinder 5, be convenient to like this replacing or the cleaning of unhairing felt 9.When blackboard eraser 2 is after wiping, unhairing felt 9 compresses blackboard surface the dust of blackboard adsorption is cleared up, and ensures the clean of blackboard.
The foregoing is only preferred embodiment of the present utility model; not in order to limit the utility model; all any amendments of doing within spirit of the present utility model and principle, be equal to and replace and improvement etc., within all should being included in protection domain of the present utility model.
Claims (4)
1. the blackboard eraser of the use of imparting knowledge to students, comprise handle (1), described handle (1) one side is provided with blackboard eraser (2), it is characterized in that: on the wiping surface of described blackboard eraser (2), be pasted with cleaning wiping cloth (3), the opposite side of described handle (1) is provided with U-lag (4), described U-lag (4) is inner to contact with the output shaft of cylinder (5), the output shaft of described cylinder (5) is connected with the gripper shoe (6) that is positioned at handle (1) one side, described gripper shoe (6) both sides are provided with the spring (7) of vertical layout, described spring (7) upper end is connected with the fixed head (8) that is fixed on handle (1), the outside of described cylinder (5) is provided with unhairing felt (9).
2. the blackboard eraser of a kind of use of imparting knowledge to students according to claim 1, is characterized in that: described U-lag (4) lower end is opening.
3. the blackboard eraser of a kind of use of imparting knowledge to students according to claim 1, is characterized in that: the spring (7) of described gripper shoe (6) both sides is arranged symmetrically with.
4. the blackboard eraser of a kind of use of imparting knowledge to students according to claim 1, is characterized in that: described unhairing felt (9) is enclosed within on cylinder (5).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420347828.XU CN203920169U (en) | 2014-06-27 | 2014-06-27 | A kind of blackboard eraser of the use of imparting knowledge to students |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420347828.XU CN203920169U (en) | 2014-06-27 | 2014-06-27 | A kind of blackboard eraser of the use of imparting knowledge to students |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203920169U true CN203920169U (en) | 2014-11-05 |
Family
ID=51816037
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420347828.XU Expired - Fee Related CN203920169U (en) | 2014-06-27 | 2014-06-27 | A kind of blackboard eraser of the use of imparting knowledge to students |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203920169U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107053912A (en) * | 2017-04-17 | 2017-08-18 | 王柳棋 | Dust-proof semiautomatic blackboard eraser |
| CN108045136A (en) * | 2018-01-10 | 2018-05-18 | 西安航空学院 | A kind of novel blackboard eraser |
-
2014
- 2014-06-27 CN CN201420347828.XU patent/CN203920169U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107053912A (en) * | 2017-04-17 | 2017-08-18 | 王柳棋 | Dust-proof semiautomatic blackboard eraser |
| CN108045136A (en) * | 2018-01-10 | 2018-05-18 | 西安航空学院 | A kind of novel blackboard eraser |
| CN108045136B (en) * | 2018-01-10 | 2023-09-26 | 西安航空学院 | A new type of blackboard eraser |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN203920169U (en) | A kind of blackboard eraser of the use of imparting knowledge to students | |
| CN201670022U (en) | Dual-purpose blackboard eraser | |
| CN203995303U (en) | With the dustproof blackboard of blackboard eraser | |
| CN202742918U (en) | Dual-purpose dustproof blackboard eraser device | |
| CN201841822U (en) | Self-rubbed type remote control teaching board | |
| CN204749660U (en) | Blackboard eraser for teaching | |
| CN204774276U (en) | English teaching is rule and is used blackboard eraser | |
| CN202319512U (en) | Blackboard | |
| CN202448612U (en) | Blackboard eraser capable of adsorbing dust | |
| CN205167999U (en) | Dustproof blackboard eraser | |
| CN204801323U (en) | Blackboard is used in teaching | |
| CN203902077U (en) | Environment-friendly blackboard eraser | |
| CN204936620U (en) | A kind of environment friendly blackboard brush device | |
| CN204340498U (en) | A kind of replaceable portable blackboard eraser | |
| CN204414963U (en) | A kind of dust-proof slidably blackboard eraser | |
| CN201941460U (en) | Dustproof blackboard eraser | |
| CN203766347U (en) | Environment-friendly blackboard eraser | |
| CN203172301U (en) | Rolling type blackboard eraser | |
| CN203666205U (en) | Efficient eraser | |
| CN202319622U (en) | Blackboard eraser | |
| CN202480711U (en) | Dustproof blackboard eraser | |
| CN202242653U (en) | Labor-saving blackboard eraser | |
| CN202368205U (en) | Dustless blackboard eraser | |
| CN202879068U (en) | Novel blackboard eraser | |
| CN203418901U (en) | English teaching board |
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: 20141105 Termination date: 20150627 |
|
| EXPY | Termination of patent right or utility model |