CN201268165Y - Writing device using chalk - Google Patents
Writing device using chalk Download PDFInfo
- Publication number
- CN201268165Y CN201268165Y CNU2008200278765U CN200820027876U CN201268165Y CN 201268165 Y CN201268165 Y CN 201268165Y CN U2008200278765 U CNU2008200278765 U CN U2008200278765U CN 200820027876 U CN200820027876 U CN 200820027876U CN 201268165 Y CN201268165 Y CN 201268165Y
- Authority
- CN
- China
- Prior art keywords
- chalk
- pen container
- clamping device
- pen holder
- slide block
- 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
- 210000005056 cell body Anatomy 0.000 claims description 5
- 238000003780 insertion Methods 0.000 claims description 3
- 230000037431 insertion Effects 0.000 claims description 3
- 238000009434 installation Methods 0.000 claims description 3
- VTYYLEPIZMXCLO-UHFFFAOYSA-L Calcium carbonate Chemical group [Ca+2].[O-]C([O-])=O VTYYLEPIZMXCLO-UHFFFAOYSA-L 0.000 description 3
- 238000001354 calcination Methods 0.000 description 2
- OSGAYBCDTDRGGQ-UHFFFAOYSA-L calcium sulfate Chemical compound [Ca+2].[O-]S([O-])(=O)=O OSGAYBCDTDRGGQ-UHFFFAOYSA-L 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 235000019738 Limestone Nutrition 0.000 description 1
- 239000003513 alkali Substances 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 229910000019 calcium carbonate Inorganic materials 0.000 description 1
- BRPQOXSCLDDYGP-UHFFFAOYSA-N calcium oxide Chemical compound [O-2].[Ca+2] BRPQOXSCLDDYGP-UHFFFAOYSA-N 0.000 description 1
- 239000000292 calcium oxide Substances 0.000 description 1
- ODINCKMPIJJUCX-UHFFFAOYSA-N calcium oxide Inorganic materials [Ca]=O ODINCKMPIJJUCX-UHFFFAOYSA-N 0.000 description 1
- 239000010440 gypsum Substances 0.000 description 1
- 229910052602 gypsum Inorganic materials 0.000 description 1
- 239000006028 limestone Substances 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000007935 neutral effect Effects 0.000 description 1
- 238000003756 stirring Methods 0.000 description 1
- 208000024891 symptom Diseases 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
Images
Landscapes
- Inks, Pencil-Leads, Or Crayons (AREA)
Abstract
The utility model discloses a chalk writing appliance which comprises a pen holder containing chalks, wherein a sliding block with a groove body is arranged in the pen holder; a spring supplying thrust force to the sliding block is fixedly arranged between the top end of the inner part of the pen holder and the sliding block; the lower part of the pen holder is provided with a chalk socket and a chalk fastening device; the outer wall of the chalk fastening device is provided with a groove; and the outer side of the fastening device is sleeved with a rubber fastening loop. The chalk writing appliance has simple structure and convenient use, effectively protects skin, is sanitary and clean, and can avoid the phenomenon of chalk breakage caused by uneven writing force.
Description
Technical field
The utility model relates to the daily apparatus of a kind of teacher, relates in particular to a kind of writing and relatively cleaner writing device of chalk of being convenient to.
Background technology
The teacher is that free-hand use chalk is copied writing on the blackboard on class mostly at present, and the main component of chalk is calcium carbonate (lime stone) and calcium sulfate (gypsum), or contain a spot of calcium oxide, and all be the material of alkalescence, long-term contact can cause the skin of palm of hand angling, chap, refers to be out of shape symptoms such as (spoon first); And the teacher can constantly stir textbook when giving lessons, make on hand chalk powder be stained with on the textbook and suitcase in, unhygienic.On the other hand, when writing because the inhomogeneous chalk that causes easily of exerting oneself breaks to form waste.
The utility model content
Technical problem to be solved in the utility model provides a kind of simple in structure, Writing device using chalk of easy fracture, clean health not when chalk is write.
For solving the problems of the technologies described above, the technical solution of the utility model is: Writing device using chalk, the pen container that comprises the splendid attire chalk, be provided with the slide block that has cell body in the described pen container, the promising described slide block of fixed installation provides the spring of thrust between described pen container inner tip and the described slide block, and described pen container bottom is provided with the insertion mouth of chalk, and described pen container bottom also is equipped with the chalk clamping device, described clamping device outer wall is provided with groove, and the described clamping device outside also is with the rubber tight loop.
Owing to adopted technique scheme, the beneficial effects of the utility model are: during use, the pen container that grasps the splendid attire chalk just can be write, skin can directly not contact chalk, effectively protected skin on hand, can not be subjected to the calcination of chalk neutral and alkali material, relatively health; The outer wall of chalk clamping device is provided with groove, the clamping device outside also is with the rubber tight loop, utilizing the inner spring that is provided with of pen container by slide block the chalk that inserts to be released suitable length is convenient to write, utilize the elasticity of rubber tight loop, the rubber tight loop is drawn in the groove that is provided with on the clamping device outer wall, the rubber tight loop will shrink immediately make clamping device tightly clamp chalk, chalk double swerve not when having guaranteed to write; The inhomogeneous chalk fracture of making of exerting oneself when the utility model can also prevent to write, simple in structure, easy to use.
Description of drawings
Accompanying drawing is the structural representation of the utility model embodiment.
The specific embodiment
Be the structural representation of utility model embodiment as shown in drawings, Writing device using chalk, the pen container 1 that comprises the splendid attire chalk, be provided with the slide block 2 that has cell body in the described pen container 1, the promising described slide block 2 of fixed installation provides the spring 3 of thrust between described pen container 1 inner tip and the described slide block 2, described pen container 1 bottom is provided with the insertion mouth 4 of chalk, described pen container 1 bottom also is equipped with chalk clamping device 5, described clamping device 5 outer walls are provided with groove 6, and described clamping device 5 outsides also are with rubber tight loop 7.
During use, rubber tight loop 7 is taken, the ends that chalk 8 is thicker are inserted into and are arranged on having in the cell body on the pen container 1 inner slide block 2 by inserting mouthfuls 4, make it to be in compressive state with force compresses spring 3, chalk 8 is exposed clamping device 5 write length in right amount, then rubber tight loop 7 is enclosed within around the clamping device 5, utilize rubber tight loop 7 elasticity that it is drawn in the groove 6 that is provided with on clamping device 5 outer walls, clamping device 5 just tightly clamp chalk 8, more firm when writing.The purpose that cell body is set on slide block 2 is to prevent to come off owing to rubber tight loop 7 in the use, causes clamping device 5 lax fixedly chalks, makes chalk double swerve when writing.This fact Example can effectively protect on hand skin not to be subjected to the calcination of alkaline matter, and clean health can also prevent the chalk fracture, and is simple in structure, easy to use.
Claims (1)
1. Writing device using chalk, it is characterized in that: the pen container that comprises the splendid attire chalk, be provided with the slide block that has cell body in the described pen container, the promising described slide block of fixed installation provides the spring of thrust between described pen container inner tip and the described slide block, described pen container bottom is provided with the insertion mouth of chalk, described pen container bottom also is equipped with the chalk clamping device, and described clamping device outer wall is provided with groove, and the described clamping device outside also is with the rubber tight loop.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008200278765U CN201268165Y (en) | 2008-09-02 | 2008-09-02 | Writing device using chalk |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008200278765U CN201268165Y (en) | 2008-09-02 | 2008-09-02 | Writing device using chalk |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201268165Y true CN201268165Y (en) | 2009-07-08 |
Family
ID=40840751
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2008200278765U Expired - Fee Related CN201268165Y (en) | 2008-09-02 | 2008-09-02 | Writing device using chalk |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201268165Y (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101920617A (en) * | 2010-09-15 | 2010-12-22 | 珠海市俊凯机械科技有限公司 | Dustless chalk sleeve |
-
2008
- 2008-09-02 CN CNU2008200278765U patent/CN201268165Y/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101920617A (en) * | 2010-09-15 | 2010-12-22 | 珠海市俊凯机械科技有限公司 | Dustless chalk sleeve |
| CN101920617B (en) * | 2010-09-15 | 2013-03-06 | 成都松齐明科技有限公司 | Dustless chalk sleeve |
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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: 20090708 |