CN201371654Y - Chalk writing device - Google Patents
Chalk writing device Download PDFInfo
- Publication number
- CN201371654Y CN201371654Y CN200920024209U CN200920024209U CN201371654Y CN 201371654 Y CN201371654 Y CN 201371654Y CN 200920024209 U CN200920024209 U CN 200920024209U CN 200920024209 U CN200920024209 U CN 200920024209U CN 201371654 Y CN201371654 Y CN 201371654Y
- Authority
- CN
- China
- Prior art keywords
- chalk
- casing
- housing
- writing device
- spring
- 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
Landscapes
- Mechanical Pencils And Projecting And Retracting Systems Therefor, And Multi-System Writing Instruments (AREA)
Abstract
The utility model relates to a chalk writing device. A plurality of elastic clips are arranged at the front end of a tubular casing, the front end of the casing is opened, the plurality of elastic clips are uniformly distributed along the periphery of the end surface of the casing, external threads are formed on each elastic clip, a locking cap is sheathed on the elastic clip and is connected with the elastic clip through the external threads, a spring is arranged inside the inner cavity of the casing, and a press plate is fixedly connected with the front end of the spring. The chalk writing device installs a chalk inside the casing for use, so as to prevent contamination due to chalk tray and protect the chalk from breaking off. The chalk writing device has simple structure and convenient use.
Description
Technical field
The utility model relates to a kind of chalk Write.
Background technology
Chalk is cheap, easy to use, and use amount is very big in the teaching.Common chalk directly takes chalk to write with hand when in use without any protective device, can be stained with a lot of chalk dusts on hand, cleans very trouble.In addition, the chalk also fracture easily in use without any protection slightly accidentally will fracture when writing.
Summary of the invention
The purpose of this utility model be not easy when providing a kind of the use to fracture chalk, chalk dust can be stained with to hand chalk Write yet.
For achieving the above object, the utility model adopts following technical scheme:
Chalk Write described in the utility model, it is characterized in that: the front end at the housing of tubulose is provided with the elasticity card, the front opening of housing, a plurality of elasticity cards evenly distribute around the housing end face, the elasticity card is provided with external screw thread, be set with the locking cap that connects by external screw thread on the elasticity card, be provided with spring in the inner chamber of housing, the fixedly connected pressing plate of the front end of spring.
This chalk Write is contained in chalk in the housing and uses, and both can prevent the pollution of chalk dust, protects chalk can not fracture again, and is simple in structure, easy to use.
Description of drawings
Accompanying drawing is the structural representation of an embodiment of the utility model.
The specific embodiment
As shown in drawings, chalk Write described in the utility model, front end at the housing 1 of tubulose is provided with elasticity card 2, the front opening of housing 1, a plurality of elasticity cards 2 evenly distribute around housing 1 end face, and elasticity card 2 is provided with external screw thread, are set with the locking cap 3 that connects by external screw thread on the elasticity card 2, be provided with spring 4 in the inner chamber of housing 1, the fixedly connected pressing plate 5 of the front end of spring 4.
In order to reduce cost, housing 1, elasticity card 2 and locking cap 3 all adopt the plastics manufacturing, and plastic material has toughness and elasticity preferably.
During use, chalk is put in the housing 1, made the front end of chalk expose elasticity card 2 one points a little, with locking cap 3 lockings, because the external diameter of elasticity card 2 is pre-small post-large, so twisting elasticity card 2 more inwards, locking cap 3 just chalk can be tightened more, can use later on up to the locking chalk.After chalk wears away a part, locking cap 3 can be unclamped, this moment, chalk can stretch out a bit forward again, adjusts to suitable length, once more locking cap 3 is tightened to get final product owing to the impetus of spring 4.
Claims (1)
- The chalk Write, it is characterized in that: the front end at the housing (1) of tubulose is provided with elasticity card (2), the front opening of housing (1), a plurality of elasticity cards (2) evenly distribute around housing (1) end face, elasticity card (2) is provided with external screw thread, be set with the locking cap (3) that connects by external screw thread on the elasticity card (2), be provided with spring (4) in the inner chamber of housing (1), the fixedly connected pressing plate of front end (5) of spring (4).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200920024209U CN201371654Y (en) | 2009-03-23 | 2009-03-23 | Chalk writing device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200920024209U CN201371654Y (en) | 2009-03-23 | 2009-03-23 | Chalk writing device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201371654Y true CN201371654Y (en) | 2009-12-30 |
Family
ID=41497737
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN200920024209U Expired - Fee Related CN201371654Y (en) | 2009-03-23 | 2009-03-23 | Chalk writing device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201371654Y (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104786695A (en) * | 2015-05-08 | 2015-07-22 | 攀枝花学院 | Pen container capable of lengthening short pencil |
| CN108454270A (en) * | 2018-05-29 | 2018-08-28 | 湖州湖颖文具用品有限公司 | A kind of writing brush of high blotting amount |
-
2009
- 2009-03-23 CN CN200920024209U patent/CN201371654Y/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104786695A (en) * | 2015-05-08 | 2015-07-22 | 攀枝花学院 | Pen container capable of lengthening short pencil |
| CN104786695B (en) * | 2015-05-08 | 2017-08-25 | 攀枝花学院 | Short pencil lengthens pen container |
| CN108454270A (en) * | 2018-05-29 | 2018-08-28 | 湖州湖颖文具用品有限公司 | A kind of writing brush of high blotting amount |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| MY152436A (en) | Drug delivery device and method of manufacturing a drug delivery device | |
| CN201371654Y (en) | Chalk writing device | |
| CN201456693U (en) | Protection device of penpoint | |
| CN201068019Y (en) | Multifunctional pen | |
| CN201518368U (en) | Computer netting twine head protection clamp | |
| CN209274229U (en) | A kind of List machine major part stroke mark structure | |
| CN201399990Y (en) | Ball-pen sleeve | |
| CN202428882U (en) | Fountain pen | |
| CN203351213U (en) | USB flash disk with radiating effect | |
| CN212849102U (en) | Air inlet pressure sensor convenient for fastening and limiting signal transmission line | |
| CN200988646Y (en) | Tube end guide protective plug | |
| CN203485624U (en) | Pencil with refills discharged automatically | |
| CN204263809U (en) | A kind of pencil apparatus for placing | |
| CN201783938U (en) | Finger cot | |
| CN202541056U (en) | Pencil | |
| CN203818825U (en) | Erasable pen | |
| CN201849125U (en) | Novel pencil | |
| CN201432493Y (en) | Chalk cap | |
| CN2811009Y (en) | Pen cap | |
| CN102381084A (en) | Convenient chalk sleeve | |
| CN204354633U (en) | One holds a pen protective sleeve | |
| CN201951039U (en) | Sign pen with magnifier | |
| CN102198773B (en) | Integrated pencil cap for protecting pencil point | |
| CN204278877U (en) | A kind of amendment adhesive tape with rubber | |
| CN205324116U (en) | UV glues pen |
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: 20091230 Termination date: 20120323 |