CN206826251U - A kind of new education and instruction chalk sleeve - Google Patents
A kind of new education and instruction chalk sleeve Download PDFInfo
- Publication number
- CN206826251U CN206826251U CN201720200052.2U CN201720200052U CN206826251U CN 206826251 U CN206826251 U CN 206826251U CN 201720200052 U CN201720200052 U CN 201720200052U CN 206826251 U CN206826251 U CN 206826251U
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- CN
- China
- Prior art keywords
- chalk
- instruction
- spring
- insertion part
- tabula rasa
- 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.)
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Abstract
A kind of educational aid is the utility model is related to, is in particular a kind of new education and instruction chalk sleeve, chalk is placed into device, teacher's hand-held device writes on blackboard, prevents chalk powder to be stained with teacher on hand, very convenient.Slanted bar has four, is arranged on body, and anti-slip veins are arranged on slanted bar, and telescopic advance lever is flexibly connected with slanted bar, and chalk is fixed and is set on telescopic advance lever；Through hole is arranged on body, and stepped bore is arranged on body, and is connected with through hole；Internal thread is arranged on stepped bore, thread plate is threadedly coupled with internal thread, horizontal stripe is arranged on thread plate, tabula rasa, spring, elongated insertion part and the raised inside for being arranged at stepped bore, and one end of tabula rasa is in contact with thread plate, the other end of tabula rasa is touched with spring interface, and spring is in contact with elongated insertion part, and projection is arranged on elongated insertion part.
Description
Technical field
A kind of educational aid is the utility model is related to, is in particular a kind of new education and instruction chalk sleeve.
Background technology
Chalk is instrument indispensable when teacher imparts knowledge to students in classroom, teaching of being write by chalk on blackboard, still
When with chalk, chalk powder is easily sticked on hand teacher, and does not allow easy cleaning, inconvenient, so design is a kind of new
Education and instruction solve this problem with chalk sleeve.
Utility model content
The utility model puts chalk mainly solving the technical problems that a kind of new education and instruction chalk sleeve of offer
Put in device, teacher's hand-held device writes on blackboard, prevents chalk powder to be stained with teacher on hand, very convenient.
In particular it is a kind of new in order to solve the above technical problems, the utility model is related to a kind of educational aid
Education and instruction chalk sleeve, including it is body, slanted bar, anti-slip veins, telescopic advance lever, chalk fixed cover, through hole, stepped bore, interior
Screw thread, horizontal stripe, thread plate, tabula rasa, spring, elongated insertion part and projection, chalk is placed into device, and teacher's hand-held device is in blackboard
On write, prevent chalk powder to be stained with teacher on hand, it is very convenient.
Slanted bar has four, is arranged on body, and anti-slip veins are arranged on slanted bar, and telescopic advance lever is flexibly connected with slanted bar,
Chalk is fixed and is set on telescopic advance lever；Through hole is arranged on body, and stepped bore is arranged on body, and and through hole
It is connected；Internal thread is arranged on stepped bore, and thread plate is threadedly coupled with internal thread, and horizontal stripe is arranged on thread plate, tabula rasa,
Spring, elongated insertion part and the raised inside for being arranged at stepped bore, and one end of tabula rasa is in contact with thread plate, tabula rasa it is another
One end is touched with spring interface, and spring is in contact with elongated insertion part, and projection is arranged on elongated insertion part.
As the further optimization of the technical program, described in a kind of new education and instruction chalk sleeve of the utility model
The promising elastic strip of slanted bar.
As the further optimization of the technical program, described in a kind of new education and instruction chalk sleeve of the utility model
Slanted bar has four.
As the further optimization of the technical program, described in a kind of new education and instruction chalk sleeve of the utility model
The material of body is stainless steel.
As the further optimization of the technical program, described in a kind of new education and instruction chalk sleeve of the utility model
Stepped bore, internal thread, horizontal stripe, thread plate, tabula rasa, spring, elongated insertion part and raised concentrically line.
As the further optimization of the technical program, described in a kind of new education and instruction chalk sleeve of the utility model
Stepped bore, internal thread, horizontal stripe, thread plate, tabula rasa, spring, elongated insertion part and projection have four.
As the further optimization of the technical program, described in a kind of new education and instruction chalk sleeve of the utility model
Raised material is rubber.
A kind of new education and instruction chalk sleeve of the utility model has the beneficial effect that：
A kind of new education and instruction chalk sleeve of the utility model, chalk is placed into device, teacher's hand-held device
Write on blackboard, prevent chalk powder to be stained with teacher on hand, it is very convenient.
Brief description of the drawings
The utility model is described in more detail with specific implementation method below in conjunction with the accompanying drawings.
Fig. 1 is a kind of structural representation of new education and instruction chalk sleeve of the utility model.
In figure：Body 1；Slanted bar 2；Anti-slip veins 3；Telescopic advance lever 4；Chalk fixed cover 5；Through hole 6；Stepped bore 7；Interior spiral shell
Line 8；Horizontal stripe 9；Thread plate 10；Tabula rasa 11；Spring 12；Elongated insertion part 13；Projection 14.
Embodiment
Embodiment one：
Illustrate present embodiment with reference to Fig. 1, the utility model is related to a kind of educational aid, be in particular a kind of
New education and instruction chalk sleeve, including body 1, slanted bar 2, anti-slip veins 3, telescopic advance lever 4, chalk fixed cover 5, through hole 6,
Stepped bore 7, internal thread 8, horizontal stripe 9, thread plate 10, tabula rasa 11, spring 12, elongated insertion part 13 and projection 14, chalk is placed into
In device, teacher's hand-held device writes on blackboard, prevents chalk powder to be stained with teacher on hand, very convenient.
Slanted bar 2 has four, is arranged on body 1, and anti-slip veins 3 are arranged on slanted bar 2, telescopic advance lever 4 and the activity of slanted bar 2
Connection, chalk fixed cover 5 are arranged on telescopic advance lever 4, and slanted bar 2 is used to install telescopic advance lever 4, and causes telescopic adjustment
Bar 4 moves in slanted bar, and position stationarity is good after moving, and chalk fixed cover 5 is used for the one end for fixing chalk, anti-slip veins 3
Play anti-skidding effect.
Through hole 6 is arranged on body 1, and stepped bore 7 is arranged on body 1, and is connected with through hole 6, and internal thread 8 is set
Put on stepped bore 7, thread plate 10 is threadedly coupled with internal thread 8, and horizontal stripe 9 is arranged on thread plate 10, tabula rasa 11, spring
12nd, elongated insertion part 13 and projection 14 are arranged at the inside of stepped bore 7, and one end of tabula rasa 11 is in contact with thread plate 10,
The other end of tabula rasa 11 is in contact with spring 12, and spring 12 is in contact with elongated insertion part 13, and projection 14 is arranged on elongated insertion part 13, is turned
Dynamic horizontal stripe 9 can adjust position of the thread plate 10 in internal thread 8 so that the position of tabula rasa 11 changes, so as to change bullet
The length that spring 12 compresses, finally realize regulation of the spring 12 to the power of elongated insertion part 13 so that the dynamics that projection 14 fixes chalk occurs
Change, is voluntarily adjusted as needed, and projection 14 plays a part of firm chalk.
Embodiment two：
Illustrate present embodiment with reference to Fig. 1, present embodiment is described further to embodiment one, and described is oblique
2 promising elastic strip of bar, it is convenient to accommodate telescopic advance lever 4, and cause position of the telescopic advance lever 4 in slanted bar 2 to be easy to adjust,
And position good fixing effect after adjusting.
Embodiment three：
Illustrate present embodiment with reference to Fig. 1, present embodiment is described further to embodiment one, and described is oblique
Bar 2 has four.
Embodiment four：
Illustrate present embodiment with reference to Fig. 1, present embodiment is described further to embodiment one, described sheet
The material of body 1 is stainless steel, and the intensity of stainless steel is big, and load ability is strong, and non-corrosive, is always maintained at good outward appearance.
Embodiment five：
Illustrate present embodiment with reference to Fig. 1, present embodiment is described further to embodiment one, described rank
Ladder type hole 7, internal thread 8, horizontal stripe 9, thread plate 10, tabula rasa 11, spring 12, elongated insertion part 13 and the concentrically line of projection 14.
Embodiment six：
Illustrate present embodiment with reference to Fig. 1, present embodiment is described further to embodiment one, described rank
Ladder type hole 7, internal thread 8, horizontal stripe 9, thread plate 10, tabula rasa 11, spring 12, elongated insertion part 13 and projection 14 have four.
Embodiment seven：
Illustrate present embodiment with reference to Fig. 1, present embodiment is described further to embodiment one, and described is convex
The material for playing 14 is rubber, and rubber has certain elasticity, and frictional force is big, good to the firm effect of chalk.
Certainly, described above is not limitation of the utility model, and the utility model is also not limited to the example above, this skill
The variations, modifications, additions or substitutions that the those of ordinary skill in art field is made in essential scope of the present utility model, also belong to
In the scope of protection of the utility model.
Claims (7)
1. a kind of new education and instruction chalk sleeve, including body (1), slanted bar (2), anti-slip veins (3), telescopic advance lever (4),
Chalk fixed cover (5), through hole (6), stepped bore (7), internal thread (8), horizontal stripe (9), thread plate (10), tabula rasa (11), spring
(12), elongated insertion part (13) and projection (14), it is characterised in that：Slanted bar (2) has four, is arranged on body (1), anti-slip veins (3)
It is arranged on slanted bar (2), telescopic advance lever (4) is flexibly connected with slanted bar (2), and chalk fixed cover (5) is arranged on telescopic advance lever
(4) on；Through hole (6) is arranged on body (1), and stepped bore (7) is arranged on body (1), and is connected with through hole (6)；
Internal thread (8) is arranged on stepped bore (7), and thread plate (10) is threadedly coupled with internal thread (8), and horizontal stripe (9) is arranged on screw thread
On plate (10), tabula rasa (11), spring (12), elongated insertion part (13) and projection (14) are arranged at the inside of stepped bore (7), and
One end of tabula rasa (11) is in contact with thread plate (10), and the other end of tabula rasa (11) is in contact with spring (12), spring (12) with
Elongated insertion part (13) is in contact, and raised (14) are arranged on elongated insertion part (13).
A kind of 2. new education and instruction chalk sleeve according to claim 1, it is characterised in that：Described slanted bar (2)
Promising elastic strip.
A kind of 3. new education and instruction chalk sleeve according to claim 1, it is characterised in that：Described slanted bar (2)
There are four.
A kind of 4. new education and instruction chalk sleeve according to claim 1, it is characterised in that：Described body (1)
Material be stainless steel.
A kind of 5. new education and instruction chalk sleeve according to claim 1, it is characterised in that：Described stepped bore
(7), internal thread (8), horizontal stripe (9), thread plate (10), tabula rasa (11), spring (12), elongated insertion part (13) and raised (14) are concentrically
Line.
A kind of 6. new education and instruction chalk sleeve according to claim 1, it is characterised in that：Described stepped bore
(7), internal thread (8), horizontal stripe (9), thread plate (10), tabula rasa (11), spring (12), elongated insertion part (13) and raised (14) have four
It is individual.
A kind of 7. new education and instruction chalk sleeve according to claim 1, it is characterised in that：Described projection (14)
Material be rubber.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720200052.2U CN206826251U (en) | 2017-03-03 | 2017-03-03 | A kind of new education and instruction chalk sleeve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720200052.2U CN206826251U (en) | 2017-03-03 | 2017-03-03 | A kind of new education and instruction chalk sleeve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206826251U true CN206826251U (en) | 2018-01-02 |
Family
ID=60779958
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720200052.2U Expired - Fee Related CN206826251U (en) | 2017-03-03 | 2017-03-03 | A kind of new education and instruction chalk sleeve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206826251U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110874956A (en) * | 2019-11-29 | 2020-03-10 | 盐城盐龙文化体育产业投资有限公司 | Multimedia teaching equipment with eye-protecting function |
-
2017
- 2017-03-03 CN CN201720200052.2U patent/CN206826251U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110874956A (en) * | 2019-11-29 | 2020-03-10 | 盐城盐龙文化体育产业投资有限公司 | Multimedia teaching equipment with eye-protecting function |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20180102 Termination date: 20190303 |