CN109050115A - A kind of dust-proof chalk eraser - Google Patents
A kind of dust-proof chalk eraser Download PDFInfo
- Publication number
- CN109050115A CN109050115A CN201810767216.9A CN201810767216A CN109050115A CN 109050115 A CN109050115 A CN 109050115A CN 201810767216 A CN201810767216 A CN 201810767216A CN 109050115 A CN109050115 A CN 109050115A
- Authority
- CN
- China
- Prior art keywords
- oversleeve
- dust
- eraser
- connecting rod
- chalkboard eraser
- 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.)
- Pending
Links
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B43—WRITING OR DRAWING IMPLEMENTS; BUREAU ACCESSORIES
- B43L—ARTICLES FOR WRITING OR DRAWING UPON; WRITING OR DRAWING AIDS; ACCESSORIES FOR WRITING OR DRAWING
- B43L21/00—Blackboard or slate cleaning devices
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B43—WRITING OR DRAWING IMPLEMENTS; BUREAU ACCESSORIES
- B43L—ARTICLES FOR WRITING OR DRAWING UPON; WRITING OR DRAWING AIDS; ACCESSORIES FOR WRITING OR DRAWING
- B43L21/00—Blackboard or slate cleaning devices
- B43L21/04—Wiper holders
Abstract
The invention discloses a kind of dust-proof chalk erasers, the main points of its technical scheme are that including chalkboard eraser, connecting rod are connected on the chalkboard eraser, the other end of connecting rod is connected with oversleeve, and connecting rod is penetrated in oversleeve and is sewn on oversleeve.The configuration of the present invention is simple is easy to make, is easy to use, in use, oversleeve is through on hand, hand-held plastics connecting rod erases the board, because chalkboard eraser, outside oversleeve, in oversleeve, such dust would not be fallen on hand and on cuff hand.
Description
[technical field]
The present invention relates to a kind of dust-proof chalk erasers.
[background technique]
When being erased the board using existing chalkboard eraser, often making full hand is ash by student and teacher, can also make cuff dirty.
The present invention is namely based on what such case was made.
[summary of the invention]
A kind of The purpose of the present invention is to overcome the shortcomings of the prior art and to provide structures Dustproof chalk simple, easy to use
It wipes.
The present invention is achieved by the following technical solutions:
A kind of dust-proof chalk eraser, it is characterised in that: include chalkboard eraser 1, is connected with connecting rod 2 on the chalkboard eraser 1,
The other end of connecting rod 2 is connected with oversleeve 3, and connecting rod 2 is penetrated in oversleeve 3 and is sewn on oversleeve 3.
Dust-proof chalk eraser as described above, it is characterised in that: the chalkboard eraser 1 is equipped with threaded hole 4, the connecting rod 2
It is threadedly coupled with the chalkboard eraser 1.
Dust-proof chalk eraser as described above, it is characterised in that: the threaded hole 4 is located at the side of the chalkboard eraser 1.
Dust-proof chalk eraser as described above, it is characterised in that: the threaded hole 4 is located at the back of the chalkboard eraser 1.
Dust-proof chalk eraser as described above, it is characterised in that: the connecting rod 2 is hollow plastic bar.
Compared with prior art, the present invention has the following advantages:
1, the configuration of the present invention is simple, be easy to make, be easy to use, in use, oversleeve be through on hand, hold plastics connecting rod
It erases the board, because chalkboard eraser, outside oversleeve, in oversleeve, such dust would not be fallen on hand and on cuff hand.
[Detailed description of the invention]
Fig. 1 is stereoscopic schematic diagram of the present invention；
Fig. 2 is decomposition diagram of the present invention.
In figure: 1 is chalkboard eraser；2 be connecting rod；3 be oversleeve；4 be threaded hole.
[specific embodiment]
The technology of the present invention feature is described in further detail in order to the field technical staff energy with reference to the accompanying drawing
It is enough to understand.
A kind of dust-proof chalk eraser includes as depicted in figs. 1 and 2 chalkboard eraser 1, is connected with connection on the chalkboard eraser 1
Bar 2, the other end of connecting rod 2 are connected with oversleeve 3, and connecting rod 2 is penetrated in oversleeve 3 and is sewn on oversleeve 3.
Dust-proof chalk eraser as described above, the chalkboard eraser 1 are equipped with threaded hole 4, the connecting rod 2 and the chalkboard eraser
1 is threadedly coupled, and can also be directly inserted in clamping on chalkboard eraser 1.
Dust-proof chalk eraser as described above, the threaded hole 4 can be located at the side of the chalkboard eraser 1.
Dust-proof chalk eraser as described above, the threaded hole 4 can also be located at the back of the chalkboard eraser 1 so that it is convenient to
Keep power a little, such embodiment, connecting rod 2 should be bent rod.
Dust-proof chalk eraser as described above, the connecting rod 2 be hollow plastic bar, plastic bar connect with chalkboard eraser 1 that
End is equipped with external screw thread, that end connecting with oversleeve 3 is sewn on oversleeve 3, identical as the sewing gimmick of umbrella, it is of course also possible to viscous
It connects in succession.
Embodiment of the present invention is only the description carried out to the preferred embodiment of the present invention, not to invention structure
Think and range is defined, under the premise of not departing from design philosophy of the present invention, engineers and technicians are to the present invention in this field
The all variations and modifications made of technical solution, protection scope of the present invention should all be fallen into.
Claims (5)
1. a kind of dust-proof chalk eraser, it is characterised in that: include chalkboard eraser (1), be connected with connecting rod on the chalkboard eraser (1)
(2), the other end of connecting rod (2) is connected with oversleeve (3), and connecting rod (2) is penetrated in oversleeve (3) and is sewn on oversleeve (3).
2. dust-proof chalk eraser according to claim 1, it is characterised in that: the chalkboard eraser (1) is equipped with threaded hole (4),
The connecting rod (2) is threadedly coupled with the chalkboard eraser (1).
3. dust-proof chalk eraser according to claim 2, it is characterised in that: the threaded hole (4) is located at the chalkboard eraser (1)
Side.
4. dust-proof chalk eraser according to claim 2, it is characterised in that: the threaded hole (4) is located at the chalkboard eraser (1)
Back.
5. dust-proof chalk eraser according to claim 2, it is characterised in that: the connecting rod (2) is hollow plastic bar.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810767216.9A CN109050115A (en) | 2018-07-13 | 2018-07-13 | A kind of dust-proof chalk eraser |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810767216.9A CN109050115A (en) | 2018-07-13 | 2018-07-13 | A kind of dust-proof chalk eraser |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109050115A true CN109050115A (en) | 2018-12-21 |
Family
ID=64816282
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810767216.9A Pending CN109050115A (en) | 2018-07-13 | 2018-07-13 | A kind of dust-proof chalk eraser |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109050115A (en) |
Citations (14)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2360278Y (en) * | 1998-12-08 | 2000-01-26 | 吴样星 | Gloves type eraser |
| CN201456815U (en) * | 2009-08-21 | 2010-05-12 | 李晓婷 | Dustproof blackboard eraser |
| CN201483959U (en) * | 2009-07-14 | 2010-05-26 | 汤敏慧 | chalk |
| CN201580174U (en) * | 2009-11-24 | 2010-09-15 | 亓蕾蕾 | Dust-proof blackboard eraser |
| US20100287720A1 (en) * | 2009-05-12 | 2010-11-18 | Kayata Sr Ted Anthony | Soap Dispensing Bath Mitt |
| CN101934276A (en) * | 2009-07-03 | 2011-01-05 | 宋文君 | Dust-removing device of blackboard eraser |
| CN201816362U (en) * | 2010-10-04 | 2011-05-04 | 张啸怀 | Armguard dustproof blackboard wiper |
| CN201941459U (en) * | 2011-02-25 | 2011-08-24 | 王中东 | Dustproof blackboard eraser |
| CN202098197U (en) * | 2011-06-08 | 2012-01-04 | 马茹祥 | Dust-proof blackboard eraser |
| CN202180681U (en) * | 2011-07-22 | 2012-04-04 | 王标 | Dustproof blackboard eraser |
| CN203945851U (en) * | 2014-05-19 | 2014-11-19 | 王雅各 | Dustproof chalk gloves |
| CN104476955A (en) * | 2014-12-17 | 2015-04-01 | 玉林市生润信息科技有限公司 | Glove type blackboard eraser |
| CN205185678U (en) * | 2015-11-10 | 2016-04-27 | 苗田田 | Chalk eraser |
| CN205344264U (en) * | 2016-01-28 | 2016-06-29 | 李星熠 | Dustproof blackboard eraser composite set who uses in teaching |
-
2018
- 2018-07-13 CN CN201810767216.9A patent/CN109050115A/en active Pending
Patent Citations (14)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2360278Y (en) * | 1998-12-08 | 2000-01-26 | 吴样星 | Gloves type eraser |
| US20100287720A1 (en) * | 2009-05-12 | 2010-11-18 | Kayata Sr Ted Anthony | Soap Dispensing Bath Mitt |
| CN101934276A (en) * | 2009-07-03 | 2011-01-05 | 宋文君 | Dust-removing device of blackboard eraser |
| CN201483959U (en) * | 2009-07-14 | 2010-05-26 | 汤敏慧 | chalk |
| CN201456815U (en) * | 2009-08-21 | 2010-05-12 | 李晓婷 | Dustproof blackboard eraser |
| CN201580174U (en) * | 2009-11-24 | 2010-09-15 | 亓蕾蕾 | Dust-proof blackboard eraser |
| CN201816362U (en) * | 2010-10-04 | 2011-05-04 | 张啸怀 | Armguard dustproof blackboard wiper |
| CN201941459U (en) * | 2011-02-25 | 2011-08-24 | 王中东 | Dustproof blackboard eraser |
| CN202098197U (en) * | 2011-06-08 | 2012-01-04 | 马茹祥 | Dust-proof blackboard eraser |
| CN202180681U (en) * | 2011-07-22 | 2012-04-04 | 王标 | Dustproof blackboard eraser |
| CN203945851U (en) * | 2014-05-19 | 2014-11-19 | 王雅各 | Dustproof chalk gloves |
| CN104476955A (en) * | 2014-12-17 | 2015-04-01 | 玉林市生润信息科技有限公司 | Glove type blackboard eraser |
| CN205185678U (en) * | 2015-11-10 | 2016-04-27 | 苗田田 | Chalk eraser |
| CN205344264U (en) * | 2016-01-28 | 2016-06-29 | 李星熠 | Dustproof blackboard eraser composite set who uses in teaching |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20181221 |
|
| RJ01 | Rejection of invention patent application after publication |