CN203004657U - Adjustable chalk holding device - Google Patents
Adjustable chalk holding device Download PDFInfo
- Publication number
- CN203004657U CN203004657U CN 201220675545 CN201220675545U CN203004657U CN 203004657 U CN203004657 U CN 203004657U CN 201220675545 CN201220675545 CN 201220675545 CN 201220675545 U CN201220675545 U CN 201220675545U CN 203004657 U CN203004657 U CN 203004657U
- Authority
- CN
- China
- Prior art keywords
- chalk
- container
- adjustable
- holding sleeve
- pen
- 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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- Mechanical Pencils And Projecting And Retracting Systems Therefor, And Multi-System Writing Instruments (AREA)
Abstract
The utility model discloses an adjustable chalk holding device. The adjustable chalk holding device is characterized by comprising a chalk container in which chalk is coaxially installed, a chalk holding sleeve provided with a cylindrical inner cavity is sleeved outside the chalk container, a screw connection section which is in threaded fit with the chalk container is arranged at one end of the chalk holding sleeve, and an opening hole through which the chalk installed in the chalk container can be exposed out is formed at the front end of the chalk holding sleeve along the axial direction. When the adjustable chalk holding device is used, the chalk is filled in the chalk container, the chalk holding sleeve is rotated at the same time, only a small part of the front end of the chalk is enabled to be exposed out of the opening hole at the front end of the chalk holding sleeve, and then a person can write by holding the chalk holding sleeve. The position of the chalk holding sleeve can be adjusted at any time, the chalk keeps just exposing a length which is suitable for writing, and the person can conveniently write.
Description
Technical field
The utility model relates to a kind of educational aid, and particularly a kind of adjustable chalk is write device.
Background technology
Chalk is the utensil that the teacher is used for blackboard writing.The teacher when teaching, is generally directly to hold chalk-writing with hand, writes rear chalk dust and adheres on hand, and then clip on book or on clothes, it made dirty, not health.With holding chalk-writing, when the remaining shorter joint of chalk, be difficult to hold simultaneously, can only throw away, cause waste.
In order to solve described problem, the applicant once considered to design a kind of chalk and write device, adopted a pen container that chalk is installed in the inner, and the user holds pen container and carries out blackboard writing.But this device does not possess regulatory function.Can can't use when chalk is longer.
The utility model content
For above-mentioned deficiency, technical problem to be solved in the utility model is: how to provide a kind of simple in structure, possess regulatory function, can be suitable for the wider adjustable chalk of chalk length and write device and make it improve the blackboard writing wholesomeness, and cut the waste.
In order to solve the problems of the technologies described above, adopted following technical scheme in the utility model.
A kind of adjustable chalk is write device, it is characterized in that comprising a pen container that is used for coaxial installation chalk, pen container also is arranged with a pen holding cap with cylindrical cavity outward, pen holding cap one end has the section of spinning with the pen container threaded engagement, and the pen holding cap front end edge axially is provided with one can supply to be arranged on the perforate that the chalk in pen container exposes.
When the utility model uses, chalk can be tucked in pen container, rotate simultaneously pen holding cap, make the chalk front end only expose fraction outside the perforate of pen holding cap front end, then can hold pen holding cap and write.Then can regulate at any time the pen holding cap position, make chalk remain and only expose the length that is fit to write.It is write conveniently.
In sum, the utility model is simple in structure, possesses regulatory function, can be suitable for chalk length wider, has improved the blackboard writing wholesomeness, and has cut the waste.
Description of drawings
Fig. 1 is structural representation of the present utility model.
The specific embodiment
The utility model is described in further detail below in conjunction with the drawings and specific embodiments.
During concrete enforcement, as shown in Figure 1, a kind of adjustable chalk is write device, it comprises a pen container 1 that is used for coaxial installation chalk 3, also be arranged with a pen holding cap 2 with cylindrical cavity outside pen container 1, pen holding cap 2 one ends have the section of spinning with the pen container threaded engagement, and pen holding cap 2 front end edges axially are provided with one can supply to be arranged on the perforate that the chalk in pen container 1 exposes.During concrete enforcement, pen holding cap 2 front end tappings also are provided with an inside projection 4 of circle, to play the chalk restriction.Be beneficial to better and write.
Claims (1)
1. an adjustable chalk is write device, it is characterized in that comprising a pen container that is used for coaxial installation chalk, pen container also is arranged with a pen holding cap with cylindrical cavity outward, pen holding cap one end has the section of spinning with the pen container threaded engagement, and the pen holding cap front end edge axially is provided with one can supply to be arranged on the perforate that the chalk in pen container exposes.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220675545 CN203004657U (en) | 2012-12-10 | 2012-12-10 | Adjustable chalk holding device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220675545 CN203004657U (en) | 2012-12-10 | 2012-12-10 | Adjustable chalk holding device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203004657U true CN203004657U (en) | 2013-06-19 |
Family
ID=48596282
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220675545 Expired - Fee Related CN203004657U (en) | 2012-12-10 | 2012-12-10 | Adjustable chalk holding device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203004657U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106142905A (en) * | 2016-09-13 | 2016-11-23 | 南宁市远才教育咨询有限公司 | A kind of chalk sleeve |
| CN106313948A (en) * | 2016-09-13 | 2017-01-11 | 南宁市远才教育咨询有限公司 | Chalk cover with laser lamp |
-
2012
- 2012-12-10 CN CN 201220675545 patent/CN203004657U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106142905A (en) * | 2016-09-13 | 2016-11-23 | 南宁市远才教育咨询有限公司 | A kind of chalk sleeve |
| CN106313948A (en) * | 2016-09-13 | 2017-01-11 | 南宁市远才教育咨询有限公司 | Chalk cover with laser lamp |
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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: 20130619 Termination date: 20131210 |