CN201907293U - Chalk clamping sleeve - Google Patents
Chalk clamping sleeve Download PDFInfo
- Publication number
- CN201907293U CN201907293U CN2010206804210U CN201020680421U CN201907293U CN 201907293 U CN201907293 U CN 201907293U CN 2010206804210 U CN2010206804210 U CN 2010206804210U CN 201020680421 U CN201020680421 U CN 201020680421U CN 201907293 U CN201907293 U CN 201907293U
- Authority
- CN
- China
- Prior art keywords
- chalk
- pressure
- chalks
- clamping sleeve
- sleeve body
- 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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Abstract
The utility model provides a chalk clamping sleeve. The chalk clamping sleeve comprises a sleeve body, wherein, a sliding groove is formed on one side of the sleeve body; a through-hole is formed at the bottom end of the sleeve body; L-shaped pressure iron is arranged in the sleeve body; the middle part of the pressure iron is connected with a pressure rod extending out of the sliding groove; a pressure button is arranged at an end part of the pressure rod; a pressure spring is sleeved on the pressure rod; and the two ends of the pressure spring are supported between the pressure button and the outer wall of the sleeve body. When the chalk clamping sleeve is in use, vast numbers of teachers and students have no need to directly grip chalks to write, thereby preventing the chalks from being directly in contact with skin to cause injury, doing good to the health of users, solving the problem that the chalks are easy to break, and increasing the utilization rate of the chalks; and furthermore, the chalk clamping sleeve is convenient to use, is low in cost, and is easy to popularize.
Description
Technical field:
The utility model relates to a kind of culture and education apparatus, especially a kind of chalk retaining sleeve.
Background technology:
Chalk belongs to indispensable articles for use in teaching, numerous teachers and student directly hold chalk with hand and write, and chalk can the adversary cause certain pollution, in addition, chalk in use often fractures into little section, and chalk is also inconvenient with writing after short, have to throw away, cause certain waste.
Summary of the invention:
The purpose of this utility model provides a kind of chalk retaining sleeve, and chalk polluted the problem of finger and chalk frangibility when the solution people write with chalk.
The purpose of this utility model realizes as follows: this chalk retaining sleeve comprises a body that has chute in a side, be provided with the foundary weight of L type in the body, the foundary weight middle part is connected with the depression bar of the chute that extends body, the depression bar end is provided with press button, be with stage clip on depression bar, the stage clip two end supports is between press button and body outer wall.
The body bottom has a through hole, and the powder of being convenient to chalk flows out.
During usual state, the long-armed of foundary weight abuts on the inwall of body under the effect of stage clip elastic force, is convenient to chalk and is inserted in the body endoporus.During use, chalk is placed in the body, the writer promotes press button along chute makes the chalk front end expose body, the hand-held body of writer is also pinned press button and can be write, after the chalk mill is short, promote press button forward, the galianconism of foundary weight promotes chalk stretches out it forward, so both directly contacted chalk, prevented again that chalk from stretching out too much and fracture without hand.
The utility model provides a chalk retaining sleeve, and numerous teachers and student need not directly hold chalk and write, and prevents that chalk from directly contacting skin and causing damage favourable user's health; Solve the problem that chalk fractures easily again, improved the utilization rate of chalk.And easy to use, cost is low, be easy to promote.
Description of drawings:
Accompanying drawing is a structural representation of the present utility model.
The specific embodiment:
With reference to accompanying drawing, a body 1 that has chute 2 in a side is arranged, body 1 bottom has a through hole 7, be provided with L type foundary weight 3 in the body 1, the depression bar 4 of chute 2 is extended at foundary weight 3 middle parts by being threaded, depression bar 4 ends are provided with press button 6, are with stage clip 5 in the part that is on the depression bar 4 between press button 6 and body 1 outer wall.
Claims (2)
1. chalk retaining sleeve, comprise a body that has chute in a side, it is characterized in that: the foundary weight (3) that is provided with the L type in the body (1), foundary weight (3) middle part is connected with the depression bar (4) of the chute (2) that extends body (1), depression bar (4) end is provided with press button (6), be with stage clip (5) on depression bar (4), stage clip (5) two end supports is between press button (6) and body (1) outer wall.
2. chalk retaining sleeve according to claim 1 is characterized in that: body (1) bottom has a through hole (7).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010206804210U CN201907293U (en) | 2010-12-14 | 2010-12-14 | Chalk clamping sleeve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010206804210U CN201907293U (en) | 2010-12-14 | 2010-12-14 | Chalk clamping sleeve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201907293U true CN201907293U (en) | 2011-07-27 |
Family
ID=44299503
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010206804210U Expired - Fee Related CN201907293U (en) | 2010-12-14 | 2010-12-14 | Chalk clamping sleeve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201907293U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107650564A (en) * | 2017-09-19 | 2018-02-02 | 何正华 | A kind of writing brush pen clip frame |
-
2010
- 2010-12-14 CN CN2010206804210U patent/CN201907293U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107650564A (en) * | 2017-09-19 | 2018-02-02 | 何正华 | A kind of writing brush pen clip frame |
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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: 20110727 Termination date: 20111214 |