CN202489394U - Semiautomatic chalk box - Google Patents
Semiautomatic chalk box Download PDFInfo
- Publication number
- CN202489394U CN202489394U CN2012201060487U CN201220106048U CN202489394U CN 202489394 U CN202489394 U CN 202489394U CN 2012201060487 U CN2012201060487 U CN 2012201060487U CN 201220106048 U CN201220106048 U CN 201220106048U CN 202489394 U CN202489394 U CN 202489394U
- Authority
- CN
- China
- Prior art keywords
- box body
- chalk
- semiautomatic
- portable plate
- movable plate
- 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
- 238000000034 method Methods 0.000 abstract description 5
- 238000010276 construction Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000012856 packing Methods 0.000 description 1
- 230000000717 retained effect Effects 0.000 description 1
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- Drawing Aids And Blackboards (AREA)
Abstract
The utility model relates to a semiautomatic chalk box. The semiautomatic chalk box comprises a box body, wherein the upper end of the box body is provided with a chalk input port. The semiautomatic chalk body is characterized in that a movable plate is transversely arranged in the box body, one end of the movable plate is hinged with the inner wall of one side of the box body, the other end of the movable plate extends out of a through hole formed in the inner wall of the other side of the box body, a bottom side of the movable plate is provided with a plurality of reset springs, the plurality of reset springs are connected with the bottom of the box body, and the extending end of the movable plate is in a shape of an upward step. The semiautomatic chalk box disclosed by the utility model has the advantages of simple structure and convenience for use and can effectively provide teachers for convenience to obtain chalks so as to ensure an education process.
Description
Technical field
The utility model relates to a kind of auto-manual system chalk holder, belongs to realia.
Background technology
Present chalk holder generally all is a papery packing, be easy to damage, and also inconvenient teacher takes out chalk, influences teaching process easily.Therefore, to the problems referred to above be the object of the utility model research.
Summary of the invention
The purpose of the utility model is to provide a kind of auto-manual system chalk holder, helps to solve that present chalk structural design is unreasonable, the teacher gets not problem easily of chalk.
The technical scheme of the utility model is: a kind of auto-manual system chalk holder; Comprise that the upper end is provided with the box body of chalk dispensing port; It is characterized in that: laterally be provided with a portable plate in the said box body, an end of said portable plate is hinged on the box body one side inwall, and the other end stretches out the port of offering on the box body opposite side inwall; The bottom side of said portable plate is provided with some back-moving springs that are connected on the box body bottom, and it is upwards step-like that said portable plate external part becomes.
The advantage of the utility model is: the utility model device construction is simple, and is easy to use, can effectively satisfy the convenience that the teacher obtains chalk, thereby ensures teaching process.
Description of drawings
Fig. 1 is the sectional structure sketch map of the utility model embodiment.
The specific embodiment
With reference to figure 1; The utility model relates to a kind of auto-manual system chalk holder, comprises that the upper end is provided with the box body 1 of chalk dispensing port 1-1, laterally is provided with a portable plate 2 in the said box body 1; One end of said portable plate 2 is hinged on the box body 1 one side inwalls; The other end stretches out the port 1-2 that offers on the box body 1 opposite side inwall, and the bottom side of said portable plate 2 is provided with some back-moving springs 3 that are connected on box body 1 bottom, and it is upwards step-like that said portable plate external part 2-1 becomes.
Practical implementation process: during normal condition, because the distance between port upside and the portable plate is less than the diameter of chalk, so chalk can not run out of in box body; When people press the external part of portable plate,, increased the distance between port upside and the portable plate because portable plate moves downward; Distance increases in the process of pressing single chalk is passed through; And because the portable plate external part becomes upwards step-like, and the length of external part only can hold piece of chalk, thereby will have only one pressing the chalk that is retained on the external part after the end; When people's handle is decontroled, just can make portable plate be held in normal condition again through back-moving spring.
Claims (1)
1. auto-manual system chalk holder; Comprise that the upper end is provided with the box body of chalk dispensing port; It is characterized in that: laterally be provided with a portable plate in the said box body, an end of said portable plate is hinged on the box body one side inwall, and the other end stretches out the port of offering on the box body opposite side inwall; The bottom side of said portable plate is provided with some back-moving springs that are connected on the box body bottom, and it is upwards step-like that said portable plate external part becomes.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012201060487U CN202489394U (en) | 2012-03-21 | 2012-03-21 | Semiautomatic chalk box |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012201060487U CN202489394U (en) | 2012-03-21 | 2012-03-21 | Semiautomatic chalk box |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202489394U true CN202489394U (en) | 2012-10-17 |
Family
ID=46995640
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2012201060487U Expired - Fee Related CN202489394U (en) | 2012-03-21 | 2012-03-21 | Semiautomatic chalk box |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202489394U (en) |
-
2012
- 2012-03-21 CN CN2012201060487U patent/CN202489394U/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: 20121017 Termination date: 20130321 |