CN202623640U - Hand-protection chalk sleeve - Google Patents
Hand-protection chalk sleeve Download PDFInfo
- Publication number
- CN202623640U CN202623640U CN 201220235211 CN201220235211U CN202623640U CN 202623640 U CN202623640 U CN 202623640U CN 201220235211 CN201220235211 CN 201220235211 CN 201220235211 U CN201220235211 U CN 201220235211U CN 202623640 U CN202623640 U CN 202623640U
- Authority
- CN
- China
- Prior art keywords
- chalk
- outer shell
- shell
- base
- hand
- 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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- Drawing Aids And Blackboards (AREA)
Abstract
The utility model discloses a hand-protection chalk sleeve, and belongs to education supplies. The hand-protection chalk sleeve comprises an outer shell, a base and a protective sleeve, wherein the outer shell is a hollow circular tube, and three oval grooves are arranged on the outer surface of one end of the outer shell in annular shaped. The protective sleeve is installed above the grooves, and the protective sleeve is a half spherical surface. The base is positioned inside the outer shell, clamping pieces connected with the outer shell are installed inside the outer shell and are two symmetrically arc-shaped pieces, the bottoms of the clamping pieces are connected, and the bottom ends of the clamping pieces are closed. A sliding bump installed on the side edge of the base is positioned inside a sliding groove on the outer shell. When the hand-protection chalk sleeve is used to write with chalk, holding feel is more comfortable, chalk dust is prevented from sticking on hands, the chalk can also be prevented from being broken during a use process, and waste is reduced.
Description
Technical field
The utility model relates to a kind of realia, specifically a kind of handguard chalk sleeve.
Background technology
Chalk is teacher's requisite articles for use of giving a lesson, because chalk is not only thin but also long, so in use, a lot of chalks have all fractureed from central authorities, have so just caused waste.Teacher is directly pinching chalk with hand when using chalk, because dust has pollution, therefore long-term use meeting damages teacher's health.
The utility model content
The purpose of the utility model is to provide a kind of handguard chalk sleeve, and this chalk sleeve can be avoided fractureing in the chalk use, also reduces the injury of chalk dust to teacher's both hands simultaneously.
The technical scheme that its technical problem of the utility model solution is taked is: a kind of handguard chalk sleeve, comprise shell, base and sheath, and described shell is a hollow circular-tube, the outer surface circular row of shell one end is shown three oval-shaped grooves; The top of said groove is provided with a sheath, and described sheath is a semi-sphere; Base is positioned at enclosure, and the inside of shell is provided with the intermediate plate that links to each other with shell, and intermediate plate is the arc plate of two symmetries, and the intermediate plate bottom links to each other and the bottom sealing; One slide bumping is arranged on the side of base, and slide bumping is positioned at the sliding tray on the shell.
The beneficial effect of the utility model is: use this handguard chalk sleeve to write letter written with chalk, grip more comfortablely, and the full chalk that can not glue ash, but also can avoid fractureing in the chalk use cuts the waste.
Description of drawings
Fig. 1 is the structural representation of the utility model.
Among the figure: 1 shell, 2 grooves, 3 sheaths, 4 bases, 5 intermediate plates, 6 slide bumpings, 7 sliding trays.
The specific embodiment
As shown in Figure 1.A kind of handguard chalk sleeve comprises shell 1, base 4 and sheath 3, and described shell 1 is a hollow circular-tube, and the outer surface circular row of shell 1 one ends is shown three oval-shaped grooves 2; The top of said groove 2 is provided with a sheath 3, and described sheath 3 is a semi-sphere; Base 4 is positioned at shell 1 inside, and the inside of shell 1 is provided with the intermediate plate 5 that links to each other with shell 1, and intermediate plate 5 is the arc plate of two symmetries, and intermediate plate 5 bottoms link to each other and the bottom sealing; One slide bumping 6 is arranged on the side of base 4, and slide bumping 6 is positioned at the sliding tray 7 on the shell 1.Can realize the adjusting of chalk length through the adjusting of slide bumping 6.
Only need pin slide bumping 6 during use, base 4 is extracted in shell 1, intermediate plate 5 just can be taken out of by base 4; Chalk is inserted intermediate plate 5; Base 4 is inserted in the shell 1, and promoting slide bumping 6 chalks just can be up and down, regulates chalk to suitable height and can use.
Claims (1)
1. a handguard chalk sleeve is characterized in that, comprises shell, base and sheath, and described shell is a hollow circular-tube, and the outer surface circular row of shell one end is shown three oval-shaped grooves; The top of said groove is provided with a sheath, and described sheath is a semi-sphere; Base is positioned at enclosure, and the inside of shell is provided with the intermediate plate that links to each other with shell, and intermediate plate is the arc plate of two symmetries, and the intermediate plate bottom links to each other and the bottom sealing; One slide bumping is arranged on the side of base, and slide bumping is positioned at the sliding tray on the shell.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220235211 CN202623640U (en) | 2012-05-23 | 2012-05-23 | Hand-protection chalk sleeve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220235211 CN202623640U (en) | 2012-05-23 | 2012-05-23 | Hand-protection chalk sleeve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202623640U true CN202623640U (en) | 2012-12-26 |
Family
ID=47376870
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220235211 Expired - Fee Related CN202623640U (en) | 2012-05-23 | 2012-05-23 | Hand-protection chalk sleeve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202623640U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106042721A (en) * | 2016-06-21 | 2016-10-26 | 成都绿迪科技有限公司 | Chalk cover |
-
2012
- 2012-05-23 CN CN 201220235211 patent/CN202623640U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106042721A (en) * | 2016-06-21 | 2016-10-26 | 成都绿迪科技有限公司 | Chalk cover |
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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: 20121226 Termination date: 20130523 |