CN202716603U - Chalk case - Google Patents
Chalk case Download PDFInfo
- Publication number
- CN202716603U CN202716603U CN 201220341318 CN201220341318U CN202716603U CN 202716603 U CN202716603 U CN 202716603U CN 201220341318 CN201220341318 CN 201220341318 CN 201220341318 U CN201220341318 U CN 201220341318U CN 202716603 U CN202716603 U CN 202716603U
- Authority
- CN
- China
- Prior art keywords
- chalk
- case
- case body
- head
- skid
- 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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- Cleaning Implements For Floors, Carpets, Furniture, Walls, And The Like (AREA)
Abstract
The utility model discloses a chalk case which comprises a case body, a case head and a fixing shaft, wherein the case body is used for placing a chalk; the case head is arranged at the front end of the case body and used for clamping the chalk; and the fixing shaft is arranged in the case body and used for fixing the chalk. The chalk case is characterized in that the fixing shaft and the case body are in rotatable connection through thread; the fixing shaft is connected with a connecting rod; the connecting rod is connected with an adjusting knob; the case head is made of an elastic rubber material; an anti-skid case is arranged behind the case head on the periphery of the case body; and 3 anti-skid slots are arranged on the anti-skid case. The chalk case disclosed by the utility model is simple in structure, novel in design and convenient in use; a hand is not in direct contact with the chalk, being cleaner; due to the anti-skid case on the chalk case body, the chalk case can be conveniently held; the chalk case can clamp the chalk, thus the chalk is not easily broken, the chalk is utilized to the greatest degree, and the resources are saved; moreover, since the front end and rear end of the chalk are different in diameter, the chalk is very difficult to fix; and by setting an elastic case head in the front of the case body, the chalk can be effectively fixed.
Description
Technical field
The utility model relates to a kind of educational aid, a kind of chalk sleeve of special design.
Background technology
Chalk is the instrument that widely uses in the daily life, is for general on the blackboard and writes.Teacher uses the maximum crowd of chalk, and class their full hand that gets off all is chalk dust.Chalk dust be easy to the to burn skin of hand affects the healthy of teacher; In addition, the flintiness of chalk is poor, and chalk in the past is easy to fracture, and affects on the one hand teacher on class, and the chalk that fractures on the other hand is very short, can not re-use, and causes waste.
Summary of the invention
The utility model is in order to remedy the deficiencies in the prior art, provide a kind of easy to use, can effectively protect hand and suppress the chalk sleeve of chalk waste.
The utility model is achieved by the following technical solution:
A kind of chalk sleeve, comprise the body of depositing chalk, be located at the fixedly fixed axis of chalk that is used for that clamps the pullover of chalk and be located at body inside of being used for of body front end, it is characterized in that: described fixed axis and body are rotatably connected by screw thread, fixed axis connects connecting rod, and connecting rod connects adjusting knob.
Described pulloverly make for having flexible elastomeric material is after pullover, the periphery of body is provided with Anti-slip cover.
Described Anti-slip cover is provided with 3 anti-slip tanks.
The beneficial effects of the utility model are: the utility model is simple in structure, novel in design, easy to use; Hand need not directly contact chalk, and is cleaner, and the chalk body is provided with Anti-slip cover, can conveniently hold chalk sleeve; Chalk sleeve can clamp chalk, and chalk should not fracture, and can utilize to greatest extent chalk, economizes on resources; Because the diameter of the front-end and back-end of chalk is different, be difficult to it is fixed, be provided with in the body front flexible pullover, effectively fixing chalk.
Description of drawings
Below in conjunction with accompanying drawing the utility model is further described.
Accompanying drawing 1 is main TV structure schematic diagram of the present utility model;
Among the figure, 1 body, 2 is pullover, 3 fixed axis, 4 connecting rods, 5 adjusting knobs, 6 Anti-slip covers, 7 anti-slip tanks.
The specific embodiment
Accompanying drawing is a kind of specific embodiment of the present utility model.This embodiment is a kind of chalk sleeve, comprise the body 1 of depositing chalk, be located at body 1 front end be used for clamp chalk pullover 2 and be located at the fixedly fixed axis 3 of chalk that is used for of body 1 inside, it is characterized in that: described fixed axis 3 and body 1 are rotatably connected by screw thread, fixed axis 3 connects connecting rod 4, and connecting rod 4 connects adjusting knob 5.Described pullover 2 make for having flexible elastomeric material, are provided with Anti-slip cover 6 in the periphery of pullover 2 rear bodies 1.Described Anti-slip cover 6 is provided with 3 anti-slip tanks 7.Adopt chalk sleeve of the present utility model, hand need not directly contact chalk, and is cleaner, and chalk body 1 is provided with Anti-slip cover 6, can conveniently hold chalk sleeve; This chalk sleeve can clamp chalk, and chalk should not fracture, and can utilize to greatest extent chalk, economizes on resources; Because the diameter of the front-end and back-end of chalk is different, be difficult to it is fixed, be provided with in body 1 front flexible pullover 2, effectively fixing chalk.The utility model is simple in structure, novel in design, easy to use, can satisfy people's needs.
Claims (3)
1. chalk sleeve, comprise the body (1) of depositing chalk, be located at body (1) front end be used for clamp pullover (2) of chalk and be located at body (1) inner for the fixing fixed axis of chalk (3), it is characterized in that: described fixed axis (3) is rotatably connected by screw thread with body (1), fixed axis (3) connects connecting rod (4), and connecting rod (4) connects adjusting knob (5).
2. chalk sleeve according to claim 1, it is characterized in that: make for having flexible elastomeric material described pullover (2), and the periphery of body (1) is provided with Anti-slip cover (6) after pullover (2).
3. chalk sleeve according to claim 1, it is characterized in that: described Anti-slip cover (6) is provided with 3 anti-slip tanks (7).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220341318 CN202716603U (en) | 2012-07-16 | 2012-07-16 | Chalk case |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220341318 CN202716603U (en) | 2012-07-16 | 2012-07-16 | Chalk case |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202716603U true CN202716603U (en) | 2013-02-06 |
Family
ID=47618437
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220341318 Expired - Fee Related CN202716603U (en) | 2012-07-16 | 2012-07-16 | Chalk case |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202716603U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106313947A (en) * | 2016-08-29 | 2017-01-11 | 彭展忠 | Environment-friendly dust-free teaching aid with humidifying device |
| CN106364222A (en) * | 2016-08-29 | 2017-02-01 | 彭展忠 | Dust-free teaching system for chalk writing |
| CN106394069A (en) * | 2016-08-29 | 2017-02-15 | 彭展忠 | Dustless set |
-
2012
- 2012-07-16 CN CN 201220341318 patent/CN202716603U/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106313947A (en) * | 2016-08-29 | 2017-01-11 | 彭展忠 | Environment-friendly dust-free teaching aid with humidifying device |
| CN106364222A (en) * | 2016-08-29 | 2017-02-01 | 彭展忠 | Dust-free teaching system for chalk writing |
| CN106394069A (en) * | 2016-08-29 | 2017-02-15 | 彭展忠 | Dustless set |
| CN106313947B (en) * | 2016-08-29 | 2017-11-14 | 彭展忠 | Environment-friendly dustless teaching aid with humidification device |
| CN106364222B (en) * | 2016-08-29 | 2019-01-01 | 彭展忠 | The dustless system of chalk-writing teaching |
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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: 20130206 Termination date: 20130716 |