CN109664655A - A kind of Portable novel blackboard eraser - Google Patents
A kind of Portable novel blackboard eraser Download PDFInfo
- Publication number
- CN109664655A CN109664655A CN201910052159.0A CN201910052159A CN109664655A CN 109664655 A CN109664655 A CN 109664655A CN 201910052159 A CN201910052159 A CN 201910052159A CN 109664655 A CN109664655 A CN 109664655A
- Authority
- CN
- China
- Prior art keywords
- chalk
- holding tank
- blackboard eraser
- blackboard
- eraser body
- 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
- 230000000007 visual effect Effects 0.000 claims abstract description 9
- 238000003780 insertion Methods 0.000 claims description 3
- 230000037431 insertion Effects 0.000 claims description 3
- 238000009434 installation Methods 0.000 claims 1
- 238000010521 absorption reaction Methods 0.000 abstract description 8
- 230000000694 effects Effects 0.000 abstract description 7
- 239000013589 supplement Substances 0.000 abstract description 6
- 238000001179 sorption measurement Methods 0.000 abstract description 3
- 239000000843 powder Substances 0.000 description 4
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 239000000428 dust Substances 0.000 description 1
- 230000006870 function Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 238000003756 stirring Methods 0.000 description 1
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
Landscapes
- Drawing Aids And Blackboards (AREA)
Abstract
The invention discloses a kind of Portable novel blackboard erasers, including blackboard eraser body, the inside of blackboard eraser body offers writing holding tank, the side for writing holding tank offers chalk holding tank, the inside for writing holding tank is placed with several transversely arranged chalks, it writes and offers buckle slot on the inner wall of holding tank, resilient plunger is installed on the outside of connecting shaft.Teacher's Manual press resilient plunger in the present invention, the chalk placed in chalk holding tank can be withstood to through hole by resilient plunger, then slant blackboard wipes ontology and can pour out chalk, without carrying chalk, can make the upper surface of blackboard eraser body by magnet block has magnetic absorption effect, Convenient blackboard is wiped ontological adsorption theory and is placed on blackboard, through visual window it can be seen that the inside of chalk holding tank, the chalk inside chalk holding tank is conveniently placed to supplement at any time, compared to general chalk holder, it can prevent chalk from fractureing, and be used convenient for taking out.
Description
Technical field
The present invention relates to teaching equipment field, in particular to a kind of Portable novel blackboard eraser.
Background technique
Teaching aid is when student being enable intuitively, visually to understand each appliances used in the content of courses and teachers' instruction
The general name of the apparatus used, teaching aid can be improved the learning interest of student, enrich perceptual knowledge, and help forms specific concept, send out
The observation ability and thinking ability for opening up student, generally divide common teaching aid, special teaching aid, Teachig-aid for infant studying three classes, general teacher is teaching
Blackboard eraser is often used when leading student, and general blackboard eraser only has the function of wiping chalk dust, it is big in teaching
Need the self-contained chalk of teacher that can teach, the common box for placing chalk is easy to be squeezed to touch mostly more
It hits, causes the internal chalk placed to easily snap off, be not easy to the routine use of teacher.
Summary of the invention
The technical problem to be solved by the present invention is to overcome the defects of the prior art, provide a kind of Portable novel blackboard eraser,
Teacher's Manual press resilient plunger can be withstood the chalk placed in chalk holding tank to through hole by resilient plunger, so
Rear-inclined blackboard eraser body can pour out chalk, facilitate the use of teacher, without carrying chalk, and compare, black
The inside top surface of blackboard eraser ontology is equipped with magnet block, and magnet block is located at the two sides of chalk holding tank, can pass through magnet
Block makes the upper surface of blackboard eraser body have magnetic absorption effect, and Convenient blackboard wiping ontological adsorption theory is placed on blackboard, through can
Form it can be seen that chalk holding tank inside, be conveniently placed at the chalk inside chalk holding tank and supplement at any time, compared to general
Chalk holder, can prevent chalk from fractureing, and convenient for take out use.
In order to solve the above-mentioned technical problems, the present invention provides the following technical solutions:
A kind of Portable novel blackboard eraser of the present invention, including blackboard eraser body, the bottom surface of the blackboard eraser body are provided with
Hairbrush layer, the upper surface of the blackboard eraser body are equipped with cover board, are equipped with connecting shaft between the cover board and blackboard eraser body,
The cover board is equipped with fastener far from the tip inside face of connecting shaft, and the inside of the blackboard eraser body offers writing and accommodates
Slot, the side for writing holding tank offer chalk holding tank, and the inside for writing holding tank is placed with several transverse directions
The chalk of arrangement, it is described write holding tank inner wall on offer buckle slot, resilient plunger is installed on the outside of the connecting shaft,
And resilient plunger is installed on the outer surface of black wiping ontology perpendicular to chalk holding tank.
As a preferred technical solution of the present invention, the outer surface of the blackboard eraser body offers through-hole, and logical
Hole is corresponding with the position of chalk holding tank.
As a preferred technical solution of the present invention, the inside top surface of the blackboard eraser body is equipped with magnet block, and
Magnet block is located at the two sides of chalk holding tank.
As a preferred technical solution of the present invention, visual window is offered on the cover board.
As a preferred technical solution of the present invention, the cover board insertion is installed in blackboard eraser body.
As a preferred technical solution of the present invention, the quantity of the resilient plunger is two, and resilient plunger is located at
End in chalk holding tank is equipped with reset spring.
As a preferred technical solution of the present invention, the cover board is hinged by connecting shaft with blackboard eraser body.
Compared with prior art, beneficial effects of the present invention are as follows:
Teacher's Manual press resilient plunger in the present invention, the chalk that can will be placed in chalk holding tank by resilient plunger
It withstands to through hole, then slant blackboard wipes ontology and can pour out chalk, the use of teacher is facilitated, without carrying powder
Pen, is equipped with magnet block in the inside top surface of blackboard eraser body, and magnet block is located at the two sides of chalk holding tank, Neng Goutong
Crossing magnet block makes the upper surface of blackboard eraser body have magnetic absorption effect, and Convenient blackboard is wiped ontological adsorption theory and is placed on blackboard,
Through visual window it can be seen that the inside of chalk holding tank, is conveniently placed at the chalk inside chalk holding tank and supplements at any time, phase
It than general chalk holder, can prevent chalk from fractureing, and be used convenient for taking out.
Detailed description of the invention
Attached drawing is used to provide further understanding of the present invention, and constitutes part of specification, with reality of the invention
It applies example to be used to explain the present invention together, not be construed as limiting the invention.In the accompanying drawings:
Fig. 1 is one of structure chart of the invention；
Fig. 2 is the two of structure chart of the invention；
Fig. 3 is local structural graph of the invention；
In figure: 1, blackboard eraser body；2, hairbrush layer；3, cover board；4, connecting shaft；5, fastener；6, holding tank is write；7, powder
Holding tank；8, chalk；9, buckle slot；10, resilient plunger；11, through-hole；12, magnet block；13, visual window.
Specific embodiment
Hereinafter, preferred embodiments of the present invention will be described with reference to the accompanying drawings, it should be understood that preferred reality described herein
Apply example only for the purpose of illustrating and explaining the present invention and is not intended to limit the present invention.Wherein identical label all refers in attached drawing
Identical component.
Embodiment 1
As shown in Figure 1-3, the present invention provides a kind of Portable novel blackboard eraser, including blackboard eraser body 1, blackboard eraser body
1 bottom surface is provided with hairbrush layer 2, and the upper surface of blackboard eraser body 1 is equipped with cover board 3, pacifies between cover board 3 and blackboard eraser body 1
Equipped with connecting shaft 4, cover board 3 is equipped with fastener 5 far from the tip inside face of connecting shaft 4, and the inside of blackboard eraser body 1 offers
Holding tank 6 is write, the side for writing holding tank 6 offers chalk holding tank 7, and the inside for writing holding tank 6 is placed with several
Transversely arranged chalk 8 is write and offers buckle slot 9 on the inner wall of holding tank 6, and the outside of connecting shaft 4 is equipped with resilient plunger
10, and resilient plunger 10 is installed on the outer surface of black wiping ontology 1 perpendicular to chalk holding tank 7.
Further, the outer surface of blackboard eraser body 1 offers through-hole 11, and the position of through-hole 11 and chalk holding tank 7
Set it is corresponding, be convenient for Manual press resilient plunger 10, the chalk 8 that can will be placed in chalk holding tank 7 by resilient plunger 10
It withstands to through-hole 11.
The inside top surface of blackboard eraser body 1 is equipped with magnet block 12, and magnet block 12 is located at the two of chalk holding tank 7
Side, can make the upper surface of blackboard eraser body 1 have magnetic absorption effect by magnet block 12, and Convenient blackboard is wiped ontology 1 and adsorbed
It is placed on blackboard.
Visual window 13 is offered on cover board 3, it can be through visual window 13 it can be seen that the inside of chalk holding tank 7, is convenient for
The chalk 8 inside chalk holding tank 7 is placed on to supplement at any time.
The insertion of cover board 3 is installed in blackboard eraser body 1, and protection can be played by cover board 3 and writes holding tank 6 and chalk appearance
It receives the effect of slot 7, while reducing spatial volume.
The quantity of resilient plunger 10 is two, and the end that resilient plunger 10 is located in chalk holding tank 7 is equipped with reset
Spring can resist the both ends of 7 inside chalk 8 of chalk holding tank convenient for resilient plunger 10, and Manual press resilient plunger 10 can
The chalk 8 placed in chalk holding tank 7 is withstood to through-hole 11 by resilient plunger 10, then slant blackboard wiping ontology 1 is
Chalk 8 can be poured out, the use of teacher be facilitated, without carrying chalk.
Cover board 3 and blackboard eraser body 1 are hinged by connecting shaft 4, facilitate and stir cover board 3, can will after opening cover board 3
Writing pen and chalk used of teaching are respectively placed in the inside for writing holding tank 6 and chalk holding tank 7.
Holding tank 6 is write specifically, offering in the inside of blackboard eraser body 1, the side for writing holding tank 6 offers powder
Holding tank 7, the inside for writing holding tank 6 are placed with several transversely arranged chalks 8, write and open on the inner wall of holding tank 6
Equipped with buckle slot 9, the outside of connecting shaft 4 is equipped with resilient plunger 10, and resilient plunger 10 is installed on perpendicular to chalk holding tank 7
Writing pen and chalk used of teaching can be respectively placed in book in advance before teaching by the outer surface of black wiping ontology 1
The inside of holding tank 6 and chalk holding tank 7 is write, cover board 3 is then covered, teacher's Manual press resilient plunger 10 can pass through bullet
Property plunger 10 chalk 8 placed in chalk holding tank 7 is withstood to through-hole 11, then slant blackboard wipe ontology 1 can be by powder
Pen 8 is poured out, and is facilitated the use of teacher, without carrying chalk, is equipped with magnet block in the inside top surface of blackboard eraser body 1
12, and magnet block 12 is located at the two sides of chalk holding tank 7, and the upper surface of blackboard eraser body 1 can be made by magnet block 12
With magnetic absorption effect, Convenient blackboard is wiped the absorption of ontology 1 and is placed on blackboard, through visual window 13 it can be seen that chalk accommodates
The inside of slot 7 is conveniently placed at the chalk 8 inside chalk holding tank 7 and supplements at any time.
Teacher's Manual press resilient plunger 10 in the present invention can will be placed by resilient plunger 10 in chalk holding tank 7
Chalk 8 withstand to through-hole 11, then slant blackboard wipe ontology 1 chalk 8 can be poured out, facilitate the use of teacher, no
With chalk is carried, magnet block 12 is installed in the inside top surface of blackboard eraser body 1, and magnet block 12 is located at chalk appearance
It receives the two sides of slot 7, can make the upper surface of blackboard eraser body 1 that there is magnetic absorption effect, Convenient blackboard wiping by magnet block 12
The absorption of ontology 1 is placed on blackboard, through visual window 13 it can be seen that the inside of chalk holding tank 7, is conveniently placed at chalk appearance
The chalk 8 inside slot 7 of receiving supplements at any time, compares general chalk holder, can prevent chalk from fractureing, and uses convenient for taking out.
Finally, it should be noted that the foregoing is only a preferred embodiment of the present invention, it is not intended to restrict the invention,
Although the present invention is described in detail referring to the foregoing embodiments, for those skilled in the art, still may be used
To modify the technical solutions described in the foregoing embodiments or equivalent replacement of some of the technical features.
All within the spirits and principles of the present invention, any modification, equivalent replacement, improvement and so on should be included in of the invention
Within protection scope.
Claims (7)
1. a kind of Portable novel blackboard eraser, including blackboard eraser body (1), which is characterized in that the bottom of the blackboard eraser body (1)
Face is provided with hairbrush layer (2), and the upper surface of the blackboard eraser body (1) is equipped with cover board (3), the cover board (3) and blackboard eraser
It is equipped between ontology (1) connecting shaft (4), the cover board (3) is equipped with fastener far from the tip inside face of connecting shaft (4)
(5), the inside of the blackboard eraser body (1), which offers, writes holding tank (6), and the side for writing holding tank (6) offers
Chalk holding tank (7), the inside for writing holding tank (6) are placed with several transversely arranged chalks (8), and the writing is held
Receive slot (6) inner wall on offer buckle slot (9), be equipped with resilient plunger (10) on the outside of the connecting shaft (4), and elastic
Plug (10) is installed on the black outer surface for wiping ontology (1) perpendicular to chalk holding tank (7).
2. a kind of Portable novel blackboard eraser according to claim 1, which is characterized in that the blackboard eraser body (1)
Outer surface offers through-hole (11), and through-hole (11) is corresponding with the position of chalk holding tank (7).
3. a kind of Portable novel blackboard eraser according to claim 1, which is characterized in that the blackboard eraser body (1)
Inside top surface is equipped with magnet block (12), and magnet block (12) is located at the two sides of chalk holding tank (7).
4. a kind of Portable novel blackboard eraser according to claim 1, which is characterized in that offered on the cover board (3)
Visual window (13).
5. a kind of Portable novel blackboard eraser according to claim 1, which is characterized in that cover board (3) the insertion installation
In on blackboard eraser body (1).
6. a kind of Portable novel blackboard eraser according to claim 1, which is characterized in that the number of the resilient plunger (10)
Amount is two, and the end that resilient plunger (10) is located in chalk holding tank (7) is equipped with reset spring.
7. a kind of Portable novel blackboard eraser according to claim 1, which is characterized in that the cover board (3) and blackboard eraser
Ontology (1) is hinged by connecting shaft (4).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910052159.0A CN109664655A (en) | 2019-01-21 | 2019-01-21 | A kind of Portable novel blackboard eraser |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910052159.0A CN109664655A (en) | 2019-01-21 | 2019-01-21 | A kind of Portable novel blackboard eraser |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109664655A true CN109664655A (en) | 2019-04-23 |
Family
ID=66150192
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910052159.0A Pending CN109664655A (en) | 2019-01-21 | 2019-01-21 | A kind of Portable novel blackboard eraser |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109664655A (en) |
Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2037559U (en) * | 1988-06-10 | 1989-05-17 | 余钟纯 | Multi-purpose teaching-aid box |
| CN102991230A (en) * | 2012-12-27 | 2013-03-27 | 上海师范大学附属第二外国语学校 | Magnetic blackboard eraser with chalk box |
| CN103815642A (en) * | 2012-11-19 | 2014-05-28 | 李东临 | Chalk box |
| CN104082938A (en) * | 2014-06-30 | 2014-10-08 | 华南理工大学 | Pieced chalk box capable of realizing zero contact between hands and chalks |
| CN204547502U (en) * | 2015-04-10 | 2015-08-12 | 陈志贵 | A kind of Novel multifunction teaching tool |
| CN205736544U (en) * | 2016-02-01 | 2016-11-30 | 延安大学 | The repeatedly used dust-removing blackboard eraser in plate face |
| CN206628109U (en) * | 2017-03-16 | 2017-11-10 | 民乐县科奇科技开发服务有限责任公司 | A kind of education study device for strengthening memory ability in auxiliary way |
| CN207140634U (en) * | 2017-05-03 | 2018-03-27 | 淮南师范学院 | A kind of blackboard eraser of convenient use |
| CN207141827U (en) * | 2017-09-08 | 2018-03-27 | 上海洁诺德塑胶制品有限公司 | Lid |
| CN207473604U (en) * | 2017-12-14 | 2018-06-08 | 齐齐哈尔市实验中学 | A kind of hand-held calculator |
-
2019
- 2019-01-21 CN CN201910052159.0A patent/CN109664655A/en active Pending
Patent Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2037559U (en) * | 1988-06-10 | 1989-05-17 | 余钟纯 | Multi-purpose teaching-aid box |
| CN103815642A (en) * | 2012-11-19 | 2014-05-28 | 李东临 | Chalk box |
| CN102991230A (en) * | 2012-12-27 | 2013-03-27 | 上海师范大学附属第二外国语学校 | Magnetic blackboard eraser with chalk box |
| CN104082938A (en) * | 2014-06-30 | 2014-10-08 | 华南理工大学 | Pieced chalk box capable of realizing zero contact between hands and chalks |
| CN204547502U (en) * | 2015-04-10 | 2015-08-12 | 陈志贵 | A kind of Novel multifunction teaching tool |
| CN205736544U (en) * | 2016-02-01 | 2016-11-30 | 延安大学 | The repeatedly used dust-removing blackboard eraser in plate face |
| CN206628109U (en) * | 2017-03-16 | 2017-11-10 | 民乐县科奇科技开发服务有限责任公司 | A kind of education study device for strengthening memory ability in auxiliary way |
| CN207140634U (en) * | 2017-05-03 | 2018-03-27 | 淮南师范学院 | A kind of blackboard eraser of convenient use |
| CN207141827U (en) * | 2017-09-08 | 2018-03-27 | 上海洁诺德塑胶制品有限公司 | Lid |
| CN207473604U (en) * | 2017-12-14 | 2018-06-08 | 齐齐哈尔市实验中学 | A kind of hand-held calculator |
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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: 20190423 |
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| RJ01 | Rejection of invention patent application after publication |