CN201366864Y - Chalk holder - Google Patents
Chalk holder Download PDFInfo
- Publication number
- CN201366864Y CN201366864Y CNU2008201574520U CN200820157452U CN201366864Y CN 201366864 Y CN201366864 Y CN 201366864Y CN U2008201574520 U CNU2008201574520 U CN U2008201574520U CN 200820157452 U CN200820157452 U CN 200820157452U CN 201366864 Y CN201366864 Y CN 201366864Y
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- CN
- China
- Prior art keywords
- chalk
- utility
- model
- shell
- case
- 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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- 230000007547 defect Effects 0.000 abstract 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012856 packing Methods 0.000 description 1
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- Toys (AREA)
- Drawing Aids And Blackboards (AREA)
Abstract
The utility model discloses a chalk holder which comprises a case and a chalk arranged in the case. The utility model is characterized in that an automatic device for popping chalks is arranged at the bottom inside the case; a spring is arranged in the automatic device; one end of the spring is connected with the bottom of the spring, and the other end is connected with a top cover; the chalk is arranged on the top cover inside the case; the case is in a cylindrical shape, and is matched with the chalk; and the upper end inside an outer clamper is provided with a clamping head switch. The utility model adopts the case similar to the chalk, overcomes the defect that the chalk is too short to be conveniently held by hands. The chalks can be automatically popped out, and the utility model has the advantages of energy saving, pollution reduction, simple structure and convenient use, and is worth being popularized and applied.
Description
Technical field
The utility model relates to a kind of chalk sleeve.
Background technology
Culture and education is basic education particularly, mainly finishes on the classroom, and chalk is the requisite educational aid of classroom instruction.At present, the employed educational aid of school is still based on traditional blackboard, this blackboard is mainly used by chalk and is write, but teacher is when using chalk, like using longer chalk, thereby Duan chalk is taken owing to being not easy to hand slightly, is often still discarded, thereby has caused the pollution and the wasting of resources of environment.
Summary of the invention
The utility model has overcome above-mentioned shortcoming, can eject chalk and chalk sleeve simple in structure, easy to use automatically and provide a kind of.
To achieve these goals, the utility model is to realize by the following technical solutions:
A kind of chalk sleeve, comprise the chalk in shell and the shell, it is characterized in that bottom in the enclosure is provided with the automatics that ejects chalk, be provided with a spring in the described automatics, one end of described spring is connected with the shell bottom, and its other end is connected with top cover, on the described chalk setting top cover in the enclosure, described shell is a cylindrical shape, described shell and described chalk adapt, and the upper end in the described wild card is provided with the chuck switch, fixes chalk by the chuck switch.
Be provided with two chucks in the described chuck switch, described two chucks are oppositely arranged on the upper end of shell.
The utility model reaches the effect of automatic ejection chalk by the elastic force of spring, has the shell of similar chalk, makes things convenient for hand to take, and can eject chalk automatically, has energy savings, reduces and pollute, and advantage simple in structure, easy to use is worth of widely use.
Description of drawings
Fig. 1 is a cross-sectional view of the present utility model.
The specific embodiment
For technological means, creation characteristic that the utility model is realized, reach purpose and effect is easy to understand, below in conjunction with the specific embodiment, further set forth the utility model.
With reference to figure 1, a kind of chalk sleeve of the present utility model comprises the shell 1 of cylinder of a similar chalk and the chalk 2 in the shell 1 of packing into.This shell 1 and employed chalk 2 are suitable, the automatics that chalk is ejected is installed in shell 1, be provided with spring 3 in this automatics, end at spring 3 is connected with top cover 4, its other end is connected on the bottom in the shell 1, dress chalk 2 on top cover 1, the elastic force by spring 3 ejects chalk 2, reaches the effect of automatic ejection.
In the utility model, chuck switch 5 has been made in the upper end in the shell 1, fixes chalk 2 by chuck, prevents that chalk from all ejecting; This chuck switch 5 is spring controlled two chucks, and this two chuck is oppositely arranged in barrel shrond 1 upper end, is convenient to fixedly chalk.The utility model is controlled two chucks by the spring button in the chuck switch 5, and when pinning chuck switch 5, two chucks are flexible state, chalk 2 can slowly eject in shell 1, when Panasonic's chuck switch, then two chucks are fixing with chalk 2, made things convenient for people's use.
The utility model at first, is pinned chuck switch 5 with hand in use; Chalk 2 is put into circular housing 1, and with chalk 2 compression springs 3, the length that makes chalk 2 expose shell is suitable length; Then, unclamp chuck switch 5, then two chucks are clamped chalk 2, and it is fixed, and just can pick up shell, conveniently write on blackboard.When the chalk head that exposes is not enough, can pin chuck switch 5, make chalk 2 slowly eject certain-length, unclamping chuck switch 5, chalk is fixed, can use.
The utility model reaches the effect of automatic ejection chalk by the elastic force of spring, has the shell of similar chalk, makes things convenient for hand to take, it is too short to have solved chalk, is not easy to the shortcoming that hand is taken, and has energy savings, minimizing pollution, advantage simple in structure, easy to use is worth of widely use.
More than show and described basic principle of the present utility model and principal character and advantage of the present utility model.The technical staff of the industry should understand; the utility model is not restricted to the described embodiments; that describes in the foregoing description and the specification just illustrates principle of the present utility model; under the prerequisite that does not break away from the utility model spirit and scope; the utility model also has various changes and modifications, and these changes and improvements all fall in claimed the utility model scope.The claimed scope of the utility model is defined by appending claims and equivalent thereof.
Claims (2)
1, a kind of chalk sleeve, comprise the chalk in shell and the shell, it is characterized in that bottom in the enclosure is provided with the automatics that ejects chalk, is provided with a spring in the described automatics, one end of described spring is connected with the shell bottom, its other end is connected with top cover, and on the described chalk setting top cover in the enclosure, described shell is a cylindrical shape, described shell and described chalk adapt, and the upper end in the described wild card is provided with the fixedly chuck switch of chalk.
2, a kind of chalk sleeve according to claim 1 is characterized in that, is provided with two chucks in the described chuck switch, and described two chucks are oppositely arranged on the upper end of shell.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008201574520U CN201366864Y (en) | 2008-12-19 | 2008-12-19 | Chalk holder |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008201574520U CN201366864Y (en) | 2008-12-19 | 2008-12-19 | Chalk holder |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201366864Y true CN201366864Y (en) | 2009-12-23 |
Family
ID=41485763
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2008201574520U Expired - Fee Related CN201366864Y (en) | 2008-12-19 | 2008-12-19 | Chalk holder |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201366864Y (en) |
-
2008
- 2008-12-19 CN CNU2008201574520U patent/CN201366864Y/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: 20091223 Termination date: 20101219 |