CN201979873U - Chalk pipe sleeve - Google Patents
Chalk pipe sleeve Download PDFInfo
- Publication number
- CN201979873U CN201979873U CN201120090767XU CN201120090767U CN201979873U CN 201979873 U CN201979873 U CN 201979873U CN 201120090767X U CN201120090767X U CN 201120090767XU CN 201120090767 U CN201120090767 U CN 201120090767U CN 201979873 U CN201979873 U CN 201979873U
- Authority
- CN
- China
- Prior art keywords
- chalk
- pipe sleeve
- pipe box
- hand
- 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
Links
- 239000000853 adhesive Substances 0.000 claims description 3
- 230000001070 adhesive effect Effects 0.000 claims description 3
- 230000006378 damage Effects 0.000 abstract description 2
- 208000027418 Wounds and injury Diseases 0.000 abstract 1
- 238000005452 bending Methods 0.000 abstract 1
- 208000014674 injury Diseases 0.000 abstract 1
- 239000010985 leather Substances 0.000 abstract 1
- 230000007797 corrosion Effects 0.000 description 3
- 238000005260 corrosion Methods 0.000 description 3
- VYZAMTAEIAYCRO-UHFFFAOYSA-N Chromium Chemical compound [Cr] VYZAMTAEIAYCRO-UHFFFAOYSA-N 0.000 description 1
- 206010012442 Dermatitis contact Diseases 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 229910052804 chromium Inorganic materials 0.000 description 1
- 239000011651 chromium Substances 0.000 description 1
- 208000010247 contact dermatitis Diseases 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
Images
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- Pens And Brushes (AREA)
Abstract
The utility model relates to a teaching tool, in particular to a chalk pipe sleeve. The chalk pipe sleeve comprises a hollow pipe body matched with a chalk, and is characterized in that a rubber leather collar is arranged on the inner surface of the pipe body, and two bending arcs with smooth inward-sunk sides are arranged on the outer surface of the middle of the pipe body correspondingly. Therefore, the chalk pipe sleeve can effectively reduce the injury of a writing hand of a teacher caused by the chalk and pain of the writing hand caused by longtime writing.
Description
(1) technical field
The utility model relates to a kind of teaching aid, particularly a kind of chalk pipe box.
(2) background technology
The educational aid that chalk is used always as the teacher, it is the necessary article in the teaching, and since the waste that chalk fracture causes and since when writing hand always touch chalk and hand produced corrosion and cause using the back hand skin to become coarse, the more serious health of asking that causes contact dermatitis owing to long-term contact chalk, it is exactly a serious problem that perplexs the teacher all the time, the teacher is twined paper sometimes and is avoided directly contacting chalk, but twine paper loses time very much, also very hard, hand painful phenomenon can occur once long service time.
(3) summary of the invention
The utility model is in order to remedy the deficiencies in the prior art, provide a kind of practical and convenient, can effectively alleviate the chalk pipe box of hand corrosion.
The utility model is achieved by the following technical solution:
A kind of chalk pipe box comprises the hollow form body that cooperates chalk to use, and it is characterized in that: the inner surface of described body is provided with one deck rubber enclosed; Described body middle part outer surface is corresponding to be provided with two curved arcs of smooth depression to the inside.
Described curved arc surface is adhesive with soft rubber layer; Described body afterbody outer surface is provided with circular screw thread.
The beneficial effects of the utility model are: the chalk pipe box of this utility model simple in structure, at chalk surface cover upper tube body, can effectively avoid chalk directly to contact with teacher's hand, alleviated the damage of chalk to hand, comfort level when writing also increases to some extent, writes the pain that also can not produce the chromium hand for a long time.
(4) description of drawings
Below in conjunction with accompanying drawing the utility model is further described.
Accompanying drawing 1 is a structural representation of the present utility model;
Among the figure, 1 body, 2 rubber encloseds, 3 curved arcs, 4 screw threads.
(5) specific embodiment
Accompanying drawing is a kind of specific embodiment of the present utility model.This embodiment comprises the hollow form body 1 that cooperates chalk to use, and it is characterized in that: described body 1 inner surface is provided with one deck rubber enclosed 2; Described body 1 middle part outer surface is corresponding to be provided with two curved arcs 3 of smooth depression to the inside; Described curved arc 3 surfaces are adhesive with soft rubber layer; Described body 1 afterbody outer surface is provided with circular screw thread 4.
Adopt chalk pipe box of the present utility model, when using body 1 is enclosed within the chalk outside, rubber enclosed 2 conveniently is inserted in chalk, be held in curved arc 3 surfaces when writing, can not produce sense of fatigue in the time of long-time, alleviated the pain of hand, effectively increased the comfort level of using, also avoided the corrosion of chalk hand.
Claims (3)
1. a chalk pipe box comprises the hollow form body (1) that cooperates chalk to use, and it is characterized in that: the inner surface of described body (1) is provided with one deck rubber enclosed (2); Described body (1) middle part outer surface is corresponding to be provided with two curved arcs of smooth depression (3) to the inside.
2. chalk pipe box according to claim 1 is characterized in that: described curved arc (3) surface is adhesive with soft rubber layer.
3. chalk pipe box according to claim 1 is characterized in that: described body (1) afterbody outer surface is provided with circular screw thread (4).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201120090767XU CN201979873U (en) | 2011-03-31 | 2011-03-31 | Chalk pipe sleeve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201120090767XU CN201979873U (en) | 2011-03-31 | 2011-03-31 | Chalk pipe sleeve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201979873U true CN201979873U (en) | 2011-09-21 |
Family
ID=44607341
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201120090767XU Expired - Fee Related CN201979873U (en) | 2011-03-31 | 2011-03-31 | Chalk pipe sleeve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201979873U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105904878A (en) * | 2016-05-03 | 2016-08-31 | 南阳理工学院 | an art brush |
-
2011
- 2011-03-31 CN CN201120090767XU patent/CN201979873U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105904878A (en) * | 2016-05-03 | 2016-08-31 | 南阳理工学院 | an art brush |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20110921 Termination date: 20120331 |