CN202480624U - Chalk holding device used for teaching and convenient for writing - Google Patents
Chalk holding device used for teaching and convenient for writing Download PDFInfo
- Publication number
- CN202480624U CN202480624U CN2012200788181U CN201220078818U CN202480624U CN 202480624 U CN202480624 U CN 202480624U CN 2012200788181 U CN2012200788181 U CN 2012200788181U CN 201220078818 U CN201220078818 U CN 201220078818U CN 202480624 U CN202480624 U CN 202480624U
- Authority
- CN
- China
- Prior art keywords
- chalk
- holding
- holding device
- shell
- screw rod
- 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
- 230000000694 effects Effects 0.000 abstract description 3
- 239000000463 material Substances 0.000 abstract description 2
- 230000002349 favourable effect Effects 0.000 abstract 1
- 208000035126 Facies Diseases 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
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- Drawing Aids And Blackboards (AREA)
Abstract
The utility model relates to a chalk holding device used for teaching and convenient for writing. The chalk holding device is composed of a screw cap, a screw rod, a holding shell, a chalk holding groove, a fixation screw and a chalk holding tube. The chalk holding tube is mounted on the holding shell by the fixation screw, the screw rod is connected with the holding shell, the screw cap is mounted on the screw rod, and the chalk holding groove is formed in the holding shell. The chalk holding device is simple in structure and reasonable in design. The chalk holding groove is arranged, thus the right chalk holding posture of the user can be automatically mastered, the chalk is stably fixed and does easily come off, and furthermore the writing effect is good. The relatively short chalk head can be held, thus the material is saved. The chalk holding device is favorable for popularization and application, and the production cost of the chalk holding device is low.
Description
Technical field: the utility model relates to a kind of the teaching with the chalk clamping device of being convenient to write.
Background technology: at present, existing chalk clamping device structural design is unreasonable, and the groove that do not hold a pen can not be grasped the correct chalk posture of holding; Chalk is fixing unstable, is prone to come off, and influences writing effect; Too short chalk head can not clamping, and the waste resource is unfavorable for promotion and application.
Summary of the invention: the purpose of the utility model is to overcome above-mentioned shortcoming; Providing a kind of imparts knowledge to students with the chalk clamping device of being convenient to write; It has mainly solved the existing chalk clamping device groove that do not hold a pen; Can not grasp the correct chalk posture of holding, chalk is fixing unstable, can not the short first-class problem of chalk of clamping.The purpose of the utility model be achieved in that a kind of impart knowledge to students with the chalk clamping device being convenient to write by: nut, screw rod, clamping shell, the groove that holds a pen, hold-down screw, chalk clamping tube constitute.Chalk clamping tube is installed on the clamping shell through hold-down screw, and screw rod is connected with the clamping shell facies, and nut is housed on the screw rod, and the clamping shell is provided with the groove that holds a pen.This product structure is simple, and is reasonable in design, is provided with the groove that holds a pen, and the user can grasp correct pen holding posture automatically, the chalk fixing-stable, and difficult drop-off, writing effect is good, but the short chalk head of clamping, economical with materials helps applying, and production cost is low.
Description of drawings:
Accompanying drawing is that a kind of teaching of the utility model used the structural representation of the chalk clamping device of being convenient to write.
The 1-nut 2-screw rod 3-clamping shell 4-groove that holds a pen
5-hold-down screw 6-chalk clamping tube
The specific embodiment: specify the most preferred embodiment of the utility model below in conjunction with accompanying drawing, a kind of impart knowledge to students with the chalk clamping device of being convenient to write by: nut 1, screw rod 2, clamping shell 3, the groove 4 that holds a pen, hold-down screw 5, chalk clamping tube 6 constitute.Chalk clamping tube 6 is installed on the clamping shell 3 through hold-down screw 5, and screw rod 2 is connected with clamping shell 3, and nut 1 is housed on the screw rod 2, and clamping shell 3 is provided with the groove 4 that holds a pen.
Claims (1)
1. impart knowledge to students with the chalk clamping device of being convenient to write for one kind; It is made up of: nut (1), screw rod (2), clamping shell (3), the groove that holds a pen (4), hold-down screw (5), chalk clamping tube (6); It is characterized in that: chalk clamping tube (6) is installed on the clamping shell (3) through hold-down screw (5); Screw rod (2) is connected with clamping shell (3), and nut (1) is housed on the screw rod (2), and clamping shell (3) is provided with the groove that holds a pen (4).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012200788181U CN202480624U (en) | 2012-03-06 | 2012-03-06 | Chalk holding device used for teaching and convenient for writing |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012200788181U CN202480624U (en) | 2012-03-06 | 2012-03-06 | Chalk holding device used for teaching and convenient for writing |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202480624U true CN202480624U (en) | 2012-10-10 |
Family
ID=46955080
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2012200788181U Expired - Fee Related CN202480624U (en) | 2012-03-06 | 2012-03-06 | Chalk holding device used for teaching and convenient for writing |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202480624U (en) |
-
2012
- 2012-03-06 CN CN2012200788181U patent/CN202480624U/en not_active Expired - Fee Related
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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: 20121010 Termination date: 20130306 |