CN207044992U - A kind of propelling chalk sleeve with chalkboard eraser - Google Patents
A kind of propelling chalk sleeve with chalkboard eraser Download PDFInfo
- Publication number
- CN207044992U CN207044992U CN201720324943.9U CN201720324943U CN207044992U CN 207044992 U CN207044992 U CN 207044992U CN 201720324943 U CN201720324943 U CN 201720324943U CN 207044992 U CN207044992 U CN 207044992U
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- CN
- China
- Prior art keywords
- sleeve
- chalk
- chute
- sliding block
- utility
- 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
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Abstract
The utility model discloses a kind of propelling chalk sleeve with chalkboard eraser,Including sleeve,The sleeve is provided with upper pen mouth and chute,Cover plate is connected with the upper pen mouth,Fastening leather packing is provided with the sleeve,The fastening leather packing is located at barrel end,Block in the chute and have sliding block,The sliding block is connected with limiting plate,The limiting plate is located in sleeve,The chute both sides are provided with latch,The sliding block is provided with neck,Clamp is provided with the neck,The clamp matches with latch,The sleeve surface is provided with chalk hair rub,Chalk can be placed in sleeve and be write by the utility model global design,Teacher's hand in writing does not have to hold chalk,The clean of hand can be ensured,Avoid speckling with chalk dust on hand and touching being everywhere for clothes smearing,But also it can be write in the case where chalk is very short,Chalk is saved,Global design delicate structure,Practical function,With more wide market prospects,It is easy to promote.
Description
Technical field
It the utility model is related to realia field, specially a kind of propelling chalk sleeve with chalkboard eraser.
Background technology
Chalk is instrument widely used in daily life, is for general on blackboard and writes, and the chalk in ancient times is generally used
Natural chalk is made, but uses other material substitutions now, and the composition of chalk is a kind of white depositions of calcium sulfate, no
Easily it is decomposed, particle is bigger than dust, and slight chalk is the medium that teacher teaches knowledge to me, and it is all to hold that teacher's writing on the blackboard, which is,
Chalk is write, such class get off teacher be infected with hand is all chalk powder, do not pay attention to slightly touching complete
Body is all the powder trace of white, in addition when in chalk writing to it is shorter when, often all can in abandon, so very waste of resource,
Teacher generally will also turn round when writing on the blackboard is wrongly write and wipe wiping by blackboard, so very troublesome, therefore be set for problem above
It is very necessary to count a kind of propelling chalk sleeve with chalkboard eraser.
Utility model content
For problem above, the utility model provides a kind of propelling chalk sleeve with chalkboard eraser, and global design can incite somebody to action
Chalk is placed in sleeve and write, and teacher's hand in writing does not have to hold chalk, can ensure the clean of hand, avoid on hand
Speckle with chalk dust and touch being everywhere for clothes smearing, but also can be write in the case where chalk is very short, saved
Chalk, additionally it is possible to carry hair rub and carry out wiping correction, effectively can solve the problems, such as in background technology.
To achieve the above object, the utility model provides following technical scheme：A kind of propelling chalk sleeve with chalkboard eraser, bag
Sleeve is included, the sleeve is provided with upper pen mouth and chute, and cover plate is connected with the upper pen mouth, tightening skin is provided with the sleeve
Pad, the fastening leather packing are located at barrel end, block in the chute and have sliding block, the sliding block is connected with limiting plate, the limit
Position plate is located in sleeve, and the chute both sides are provided with latch, and the sliding block is provided with neck, clamp, institute are provided with the neck
State clamp with latch to match, the sleeve surface is provided with chalk hair rub.
As a kind of preferable technical scheme of the utility model, the sleeve is provided with Anti-slip cover, is set on the Anti-slip cover
There is indentation.
As a kind of preferable technical scheme of the utility model, the fastening leather packing is made of quality of rubber materials.
As a kind of preferable technical scheme of the utility model, a length of 3-5 ㎝ of the fastening leather packing.
As a kind of preferable technical scheme of the utility model, the latch is zigzag.
Compared with prior art, the beneficial effects of the utility model are：The utility model is loaded chalk by upper pen mouth
In sleeve, chalk end is inserted in fastening leather packing and tightened, limiting plate is withstood to the top of chalk by the slip of sliding block, this
Sample chalk can be write with being enclosed in sleeve, when the chalk end length being exposed on the external is inadequate, can by sliding slider,
Chalk is advanced downwardly by limiting plate, such chalk can continue to write to be ejected one section, and sliding block is provided with neck, in neck
Provided with clamp, can by pushing clamp, on latch that clamp is withstood to chute both sides, so can to play fixation,
Prevent the chalk in sleeve from loosening, while can also carry out pushing up powder feeding pen by sliding slider, be provided with powder in sleeve surface in addition
Pen hair is wiped, and is altered when facilitating clerical error, and chalk can be placed in sleeve and be write by the utility model global design,
Teacher's hand in writing does not have to hold chalk, can ensure the clean of hand, avoids speckling with chalk dust on hand and touching clothes painting
That smears is everywhere, but also can be write in the case where chalk is very short, has saved chalk, additionally it is possible to carry hair rub and enter
Row, which wipes, to be altered, and global design delicate structure, practical function, is had more wide market prospects, is easy to promote.
Brief description of the drawings
Fig. 1 is the utility model positive structure schematic；
Fig. 2 is the utility model side structure schematic diagram；
Fig. 3 is the utility model slide block structure schematic diagram；
In figure：1- sleeves；The upper pen mouths of 2-；3- chutes；4- cover plates；5- fastens leather packing；6- sliding blocks；7- limiting plates；8- latches；
9- necks；10- clamps；11- chalk hair rubs；12- Anti-slip covers；13- indentations.
Embodiment
Below in conjunction with the accompanying drawing in the utility model embodiment, the technical scheme in the embodiment of the utility model is carried out
Clearly and completely describing, it is clear that described embodiment is only the utility model part of the embodiment, rather than whole
Embodiment.Based on the embodiment in the utility model, those of ordinary skill in the art are not under the premise of creative work is made
The every other embodiment obtained, belong to the scope of the utility model protection.
Embodiment：
Fig. 1, Fig. 2 and Fig. 3 are referred to, the utility model provides a kind of technical scheme：A kind of propelling chalk with chalkboard eraser
Set, including sleeve 1, the sleeve 1 are provided with upper pen mouth 2 and chute 3, cover plate 4, the sleeve 1 are connected with the upper pen mouth 2
Interior to be provided with fastening leather packing 5, the fastening leather packing 5 is located at the end of sleeve 1, blocks in the chute 3 and have sliding block 6, the sliding block 6 connects
Limiting plate 7 is connected to, the limiting plate 7 is located in sleeve 1, and the both sides of chute 3 are provided with latch 8, and the sliding block 6 is provided with neck
9, the neck 9 is interior to be provided with clamp 10, and the clamp 10 matches with latch 8, and the surface of sleeve 1 is provided with chalk hair rub
11；The sleeve 1 is provided with Anti-slip cover 12, and the Anti-slip cover 12 is provided with indentation 13, plays good anti-skidding effect；It is described tight
Gu leather packing 5 is made of quality of rubber materials, quality of rubber materials tool and certain retractility, and the structure of chalk is generally all lower thin and upper thick
Structure, so outward eject chalk when can play good cushioning effect, avoid rigid contact and easily snap off powder
Pen；The a length of 3-5 ㎝ of the fastening leather packing 5；The latch 8 is zigzag.
The utility model is loaded chalk in sleeve 1 by upper pen mouth 2, and chalk end is inserted in fastening leather packing 5 and carried out
Tightly, limiting plate 7 is withstood to the top of chalk by the slip of sliding block 6, such chalk can be write with being enclosed in sleeve 1,
When the chalk end length being exposed on the external is inadequate, chalk, such powder can be advanced downwardly by limiting plate 7 by sliding slider 6
Pen can continue to write to be ejected one section, and sliding block 6 is provided with neck 9, and clamp 10 is provided with neck 9, can be blocked by pushing
Plate 10, on the latch 8 that clamp 10 is withstood to the both sides of chute 3, so it can prevent the chalk pine in sleeve to play fixation
It is dynamic, while can also carry out pushing up powder feeding pen by sliding slider 6, chalk hair rub 11, convenient writing are provided with the surface of sleeve 1 in addition
Altered during mistake.
Based on above-mentioned, the utility model has the advantage that：Chalk can be placed on by the utility model global design
Write in cylinder 1, teacher's hand in writing does not have to hold chalk, can ensure the clean of hand, avoid speckling with chalk on hand
Ash and touch clothes smearing everywhere, but also can be write in the case where chalk is very short, save chalk, also
Hair rub can be carried and carry out wiping correction, global design delicate structure, practical function, there are more wide market prospects, just
In popularization.
Preferred embodiment of the present utility model is the foregoing is only, it is all at this not to limit the utility model
All any modification, equivalent and improvement made within the spirit and principle of utility model etc., should be included in the utility model
Protection domain within.
Claims (5)
- A kind of 1. propelling chalk sleeve with chalkboard eraser, it is characterised in that：Including sleeve (1), the sleeve (1) is provided with upper pen mouth (2) with chute (3), cover plate (4) is connected with the upper pen mouth (2), fastening leather packing (5) is provided with the sleeve (1), it is described tight Gu leather packing (5) is located at sleeve (1) end, chute (3) Nei Ka and there is sliding block (6), the sliding block (6) is connected with limiting plate (7), the limiting plate (7) is located in sleeve (1), and chute (3) both sides are provided with latch (8), and the sliding block (6) is provided with card Groove (9), the neck (9) is interior to be provided with clamp (10), and the clamp (10) matches with latch (8), on sleeve (1) surface Provided with chalk hair rub (11).
- A kind of 2. propelling chalk sleeve with chalkboard eraser according to claim 1, it is characterised in that：Set on the sleeve (1) There is Anti-slip cover (12), the Anti-slip cover (12) is provided with indentation (13).
- A kind of 3. propelling chalk sleeve with chalkboard eraser according to claim 1, it is characterised in that：The fastening leather packing (5) It is made of quality of rubber materials.
- A kind of 4. propelling chalk sleeve with chalkboard eraser according to claim 1, it is characterised in that：The fastening leather packing (5) A length of 3-5 ㎝.
- A kind of 5. propelling chalk sleeve with chalkboard eraser according to claim 1, it is characterised in that：The latch (8) is saw Dentation.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720324943.9U CN207044992U (en) | 2017-03-30 | 2017-03-30 | A kind of propelling chalk sleeve with chalkboard eraser |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720324943.9U CN207044992U (en) | 2017-03-30 | 2017-03-30 | A kind of propelling chalk sleeve with chalkboard eraser |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207044992U true CN207044992U (en) | 2018-02-27 |
Family
ID=61488706
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720324943.9U Expired - Fee Related CN207044992U (en) | 2017-03-30 | 2017-03-30 | A kind of propelling chalk sleeve with chalkboard eraser |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207044992U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110861429A (en) * | 2018-08-28 | 2020-03-06 | 成都友谊教学设备有限公司 | Chalk sleeve for teaching |
-
2017
- 2017-03-30 CN CN201720324943.9U patent/CN207044992U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110861429A (en) * | 2018-08-28 | 2020-03-06 | 成都友谊教学设备有限公司 | Chalk sleeve for teaching |
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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 |
Granted publication date: 20180227 Termination date: 20190330 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |