CN202727702U - Portable chalk pusher - Google Patents
Portable chalk pusher Download PDFInfo
- Publication number
- CN202727702U CN202727702U CN 201220357212 CN201220357212U CN202727702U CN 202727702 U CN202727702 U CN 202727702U CN 201220357212 CN201220357212 CN 201220357212 CN 201220357212 U CN201220357212 U CN 201220357212U CN 202727702 U CN202727702 U CN 202727702U
- Authority
- CN
- China
- Prior art keywords
- sleeve
- pullover
- chalk
- push rod
- pusher
- 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
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- Pens And Brushes (AREA)
Abstract
The utility model provides a portable chalk pusher which comprises a sleeve head, a sleeve and a push rod, wherein the sleeve head is a truncated cone-shaped pipe, the sleeve is a cylindrical pipe, the sleeve head and the sleeve are integrated by threaded connection, the push rod is inserted in the tail end of the sleeve; a fixing bolt is screwed and inserted on the surface of the sleeve head, and the direction of the fixing bolt is perpendicular to the axial direction of the sleeve head. The portable chalk pusher has the advantages of easiness in operation, reasonable process, convenience and practicality.
Description
Technical field
The utility model relates to a kind of realia, especially writing implement.
Background technology
All the time, chalk all is one of writing implement the most basic in the teaching process.But chalk is made by the chemical powder material, and self has corrosivity, in use directly contacts dangerously with hand, and permanent use more can affect hand hygiene and skin health.But lack the pen cap class instrument for chalk in the present market.
Summary of the invention
The purpose of this utility model provides the Portable chalk propeller that a kind of convenient and healthy, also suitable all lengths chalk uses.
That the utility model comprises is pullover, sleeve and push rod, and pullover is round type, and sleeve is cylindrical tube, both be threaded form whole; Insert push rod at the sleeve tail end; Insert set bolt at pullover thread surface, and the direction of set bolt is vertical with pullover axis direction.
During use, the user opens first being connected of pullover and sleeve, the chalk afterbody is inserted sleeve, the chalk head inserts pullover, and then sleeve and sleeve are linked together, and inwardly promotes push rod from the sleeve afterbody, utilize push rod that the chalk head is released from cover crown mouth, inside swivel bolt gradually utilizes bolt tightly to push down chalk it is fixed again, hold at last pullover or sleeve just controlled powder process pen write.
Compared with the prior art, the beneficial effects of the utility model are: simple to operate, technique is reasonable, convenient and practical, can effectively utilize short and small chalk end, facilitate, the condition of writing of health.
Description of drawingsFig. 1 is stereochemical structure sketch of the present utility model.
The specific embodimentIn stereochemical structure sketch of the present utility model shown in Figure 1, comprise pullover 1, sleeve 2 and push rod 3, pullover is round type, sleeve is cylindrical tube, both be threaded form whole; Insert push rod at the sleeve tail end; Insert set bolt 4 at pullover thread surface, and the direction of set bolt is vertical with pullover axis direction.
Claims (1)
1. a Portable chalk propeller comprises pullover (1), sleeve (2) and push rod (3), it is characterized in that: pullover (1) is round type, and sleeve (2) is cylindrical tube, and both are threaded and form integral body; Insert push rod (3) at sleeve (2) tail end; Insert set bolt (4) at pullover (1) thread surface, and the direction of set bolt (4) is vertical with the axis direction of pullover (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220357212 CN202727702U (en) | 2012-07-23 | 2012-07-23 | Portable chalk pusher |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220357212 CN202727702U (en) | 2012-07-23 | 2012-07-23 | Portable chalk pusher |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202727702U true CN202727702U (en) | 2013-02-13 |
Family
ID=47653440
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220357212 Expired - Fee Related CN202727702U (en) | 2012-07-23 | 2012-07-23 | Portable chalk pusher |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202727702U (en) |
-
2012
- 2012-07-23 CN CN 201220357212 patent/CN202727702U/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: 20130213 Termination date: 20130723 |