CN107415542A - A kind of Novel chalk eraser - Google Patents

A kind of Novel chalk eraser Download PDF

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Publication number
CN107415542A
CN107415542A CN201710671869.2A CN201710671869A CN107415542A CN 107415542 A CN107415542 A CN 107415542A CN 201710671869 A CN201710671869 A CN 201710671869A CN 107415542 A CN107415542 A CN 107415542A
Authority
CN
China
Prior art keywords
backboard
mounting groove
bristle
regulating block
adjustment hole
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
Application number
CN201710671869.2A
Other languages
Chinese (zh)
Inventor
钱煜琴
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Individual
Original Assignee
Individual
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Individual filed Critical Individual
Priority to CN201710671869.2A priority Critical patent/CN107415542A/en
Publication of CN107415542A publication Critical patent/CN107415542A/en
Pending legal-status Critical Current

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Classifications

    • BPERFORMING OPERATIONS; TRANSPORTING
    • B43WRITING OR DRAWING IMPLEMENTS; BUREAU ACCESSORIES
    • B43LARTICLES FOR WRITING OR DRAWING UPON; WRITING OR DRAWING AIDS; ACCESSORIES FOR WRITING OR DRAWING
    • B43L21/00Blackboard or slate cleaning devices

Landscapes

  • Drawing Aids And Blackboards (AREA)

Abstract

The invention provides a kind of Novel chalk eraser, belong to teaching equipment field.It solves existing chalkboard eraser inconvenient problem with use.This Novel chalk eraser, including plinth, base bottom is provided with mounting groove, backboard is provided with mounting groove, backboard bottom surface is provided with bristle, adjustment hole is provided between mounting groove cell wall and base sidepiece, regulating block is embedded with adjustment hole, backboard side takes the form of inclined plane, and there is regulating block the inclined plane shape to be fitted with backboard side to adjust side, spring is provided between backboard and mounting groove bottom land, and spring pulls backboard, bristle is integrally located in mounting groove, and can be towards backboard side squeeze adjustments block, regulation side is promoted backboard side, and bristle is stretched out mounting groove.This chalkboard eraser is easy to use, and during placement bristle will not be made to expose influence work.

Description

A kind of Novel chalk eraser
The application is Application No. 201610530275.5 filed in 26 days June in 2016, a kind of entitled improvement The divisional application of the patent of type chalkboard eraser.
Technical field
The invention belongs to teaching aid technical field, is related to a kind of Novel chalk eraser.
Background technology
Chalkboard eraser generally comprises base and is fixed on the bristle of base bottom, after teacher uses chalkboard eraser, in order to avoid brush Chalk ash pollution lectern on hair, general bristle are placed upward, but are picked up chalkboard eraser again and easily adhered to chalk dust on hand, together When also easily chalk dust is adhered on books, it is therefore necessary to be improved.
The content of the invention
The purpose of the present invention is to be directed to the above-mentioned problems in the prior art, there is provided one kind can prevent chalk dust from influenceing The Novel chalk eraser of work.
The purpose of the present invention can be realized by following technical proposal:A kind of Novel chalk eraser, including plinth, it is special Sign is:Base bottom is provided with mounting groove, is provided with backboard in mounting groove, backboard bottom surface is provided with bristle, mounting groove cell wall and base Adjustment hole is provided between sidepiece, regulating block is embedded with adjustment hole, backboard side takes the form of inclined plane, and regulating block has and backboard side phase The inclined plane shape regulation side of fitting, is provided with spring, and spring pulls backboard, makes bristle between described backboard and mounting groove bottom land It is integrally located in mounting groove, and regulation side can be made to promote backboard side, and stretch bristle towards backboard side squeeze adjustments block Go out mounting groove.
In use, towards backboard side squeeze adjustments block, regulation side is promoted backboard side, and bristle is stretched out installation Groove, you can remove chalk dust using bristle, unclamp regulating block afterwards, while spring pulls backboard, makes bristle be integrally located at installation In groove, no matter therefore pedestal for placed forward or backwards, bristle will not be made to expose influence work.
In a kind of above-mentioned Novel chalk eraser, described mounting groove is square.
In a kind of above-mentioned Novel chalk eraser, described regulating block and adjustment hole hole wall be provided with the sliding block that cooperates and Chute.
Therefore regulating block is avoided to drop out.
In a kind of above-mentioned Novel chalk eraser, rubber blanket is provided with the outside of regulating block.
In a kind of above-mentioned Novel chalk eraser, described regulation side and backboard side are coated with lubricious.
Compared with prior art, the invention has the advantages that:
In use, towards backboard side squeeze adjustments block, regulation side is promoted backboard side, and bristle is stretched out installation Groove, you can remove chalk dust using bristle, unclamp regulating block afterwards, while spring pulls backboard, makes bristle be integrally located at installation In groove, no matter therefore pedestal for placed forward or backwards, bristle will not be made to expose influence work.
Brief description of the drawings
Fig. 1 and Fig. 2 is two kinds of use state sectional views of this chalkboard eraser respectively.
In figure,
1st, base;11st, mounting groove;12nd, adjustment hole;13rd, spring;14th, chute;
2nd, backboard;21st, bristle;
3rd, regulating block;31st, sliding block.
Embodiment
It is the specific embodiment of the present invention and with reference to accompanying drawing below, technical scheme is further described, But the present invention is not limited to these embodiments.
As depicted in figs. 1 and 2, a kind of Novel chalk eraser of the present invention, including plinth 1, the bottom of base 1 are provided with mounting groove 11, mounting groove 11 is interior to be provided with backboard 2, and the bottom surface of backboard 2 is provided with bristle 21, is provided with and adjusts between the cell wall of mounting groove 11 and the sidepiece of base 1 Knothole 12, regulating block 3 is embedded with adjustment hole 12, the side of backboard 2 takes the form of inclined plane, and regulating block 3 has what is fitted with the side of backboard 2 Inclined plane shape adjusts side, spring 13 is provided between backboard 2 and the bottom land of mounting groove 11, and spring 13 pulls backboard 2, makes bristle 21 whole Body is located in mounting groove 11, and regulation side can be made to promote the side of backboard 2, and make brush towards the side squeeze adjustments block 3 of backboard 2 Hair 21 stretches out mounting groove 11.
Further, mounting groove 11 is square.Regulating block 3 and the hole wall of adjustment hole 12 are provided with the sliding block 31 to cooperate and slided Groove 14.The outside of regulating block 3 is provided with rubber blanket.Side and the side of backboard 2 are adjusted coated with lubricious.
In use, towards the side squeeze adjustments block 3 of backboard 2, regulation side is set to promote the side of backboard 2, and stretch bristle 21 Go out mounting groove 11, you can remove chalk dust using bristle 21, unclamp regulating block 3 afterwards, while spring 13 pulls backboard 2, makes brush Hair 21 is integrally located in mounting groove 11, no matter therefore pedestal for placed 1 forward or backwards, bristle 21 will not be made to expose influence work Make.
Specific embodiment described herein is only to spirit explanation for example of the invention.Technology belonging to the present invention is led The technical staff in domain can be made various modifications or supplement to described specific embodiment or be replaced using similar mode Generation, but without departing from the spiritual of the present invention or surmount scope defined in appended claims.
Although base 1, mounting groove 11, adjustment hole 12, spring 13, chute 14, backboard 2, bristle have more been used herein 21st, the term such as regulating block 3, sliding block 31, but it is not precluded from the possibility using other terms.It is used for the purpose of using these terms More easily describe and explain the essence of the present invention;Being construed as any additional limitation is all and present invention spirit Disagree.

Claims (3)

1. a kind of Novel chalk eraser, including plinth (1), it is characterised in that:Base (1) bottom is provided with mounting groove (11), peace Backboard (2) is provided with tankage (11), backboard (2) bottom surface is provided with bristle (21), between mounting groove (11) cell wall and base (1) sidepiece Provided with adjustment hole (12), regulating block (3) is embedded with adjustment hole (12), backboard (2) side takes the form of inclined plane, regulating block (3) have with The inclined plane shape regulation side that backboard (2) side fits, spring is provided between described backboard (2) and mounting groove (11) bottom land (13), and spring (13) pulls backboard (2), bristle (21) is integrally located in mounting groove (11), and can be towards backboard (2) side Squeeze adjustments block (3), regulation side is promoted backboard (2) side, and bristle (21) is stretched out mounting groove (11), unclamp regulating block (3), spring (13) pulls backboard (2), and bristle (21) is integrally located in mounting groove (11);Described mounting groove (11) is square; Described regulating block (3) and adjustment hole (12) hole wall are provided with the sliding block (31) and chute (14) to cooperate.
A kind of 2. Novel chalk eraser according to claim 1, it is characterised in that:Rubber blanket is provided with the outside of regulating block (3).
A kind of 3. Novel chalk eraser according to claim 1, it is characterised in that:Described regulation side and backboard (2) side Face is coated with lubricious.
CN201710671869.2A 2016-06-26 2016-06-26 A kind of Novel chalk eraser Pending CN107415542A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201710671869.2A CN107415542A (en) 2016-06-26 2016-06-26 A kind of Novel chalk eraser

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CN201610530275.5A CN105946408A (en) 2016-06-26 2016-06-26 Improved type chalk wiper
CN201710671869.2A CN107415542A (en) 2016-06-26 2016-06-26 A kind of Novel chalk eraser

Related Parent Applications (1)

Application Number Title Priority Date Filing Date
CN201610530275.5A Division CN105946408A (en) 2016-06-26 2016-06-26 Improved type chalk wiper

Publications (1)

Publication Number Publication Date
CN107415542A true CN107415542A (en) 2017-12-01

Family

ID=56899505

Family Applications (2)

Application Number Title Priority Date Filing Date
CN201610530275.5A Pending CN105946408A (en) 2016-06-26 2016-06-26 Improved type chalk wiper
CN201710671869.2A Pending CN107415542A (en) 2016-06-26 2016-06-26 A kind of Novel chalk eraser

Family Applications Before (1)

Application Number Title Priority Date Filing Date
CN201610530275.5A Pending CN105946408A (en) 2016-06-26 2016-06-26 Improved type chalk wiper

Country Status (1)

Country Link
CN (2) CN105946408A (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107297981B (en) * 2017-07-27 2018-12-28 利辛县众善医药科技有限公司 A kind of watery chalk blackboard eraser

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2001142646A (en) * 1999-11-15 2001-05-25 Brother Ind Ltd Eraser for coordinate input device
CN201961039U (en) * 2011-04-21 2011-09-07 都江堰前力文具有限公司 Novel blackboard eraser
CN203185943U (en) * 2013-05-02 2013-09-11 袁加林 Dustless blackboard brush
CN103434315A (en) * 2013-07-11 2013-12-11 陈浩 Dust-proof blackboard eraser and application method thereof
CN203766348U (en) * 2014-04-23 2014-08-13 夏玉琴 Blackboard eraser

Family Cites Families (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN2113177U (en) * 1992-01-11 1992-08-19 刘璐山 Dustless eraser
CN2650902Y (en) * 2003-10-30 2004-10-27 创宇科技工业股份有限公司 Rapid die displacing mechanism
CN201179805Y (en) * 2008-04-25 2009-01-14 柏峰 Chalk dust absorbing blackboard eraser
CN201342887Y (en) * 2008-12-06 2009-11-11 李政阳 Dustproof blackboard eraser
CN101992635A (en) * 2009-08-16 2011-03-30 闫子玲 Dustproof chalk eraser
KR101151680B1 (en) * 2009-10-15 2012-06-08 박수은 Board Eraser
CN203063438U (en) * 2012-12-18 2013-07-17 中北大学 Dustproof blackboard eraser
CN203093530U (en) * 2013-02-01 2013-07-31 胡庆威 Blackboard eraser
CN203228560U (en) * 2013-05-13 2013-10-09 大连民族学院 Telescopic blackboard eraser
CN203472367U (en) * 2013-08-28 2014-03-12 陈浩 Dedusting blackboard eraser
CN204488329U (en) * 2015-03-18 2015-07-22 任昕 The contractile blackboard eraser in a kind of wiping face

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2001142646A (en) * 1999-11-15 2001-05-25 Brother Ind Ltd Eraser for coordinate input device
CN201961039U (en) * 2011-04-21 2011-09-07 都江堰前力文具有限公司 Novel blackboard eraser
CN203185943U (en) * 2013-05-02 2013-09-11 袁加林 Dustless blackboard brush
CN103434315A (en) * 2013-07-11 2013-12-11 陈浩 Dust-proof blackboard eraser and application method thereof
CN203766348U (en) * 2014-04-23 2014-08-13 夏玉琴 Blackboard eraser

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Application publication date: 20171201