CN202448558U - Telescopic chalk case - Google Patents

Telescopic chalk case Download PDF

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Publication number
CN202448558U
CN202448558U CN2012200335533U CN201220033553U CN202448558U CN 202448558 U CN202448558 U CN 202448558U CN 2012200335533 U CN2012200335533 U CN 2012200335533U CN 201220033553 U CN201220033553 U CN 201220033553U CN 202448558 U CN202448558 U CN 202448558U
Authority
CN
China
Prior art keywords
chalk
case
telescopic
chalk case
tapered sleeve
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
Application number
CN2012200335533U
Other languages
Chinese (zh)
Inventor
高原
Original Assignee
高原
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by 高原 filed Critical 高原
Priority to CN2012200335533U priority Critical patent/CN202448558U/en
Application granted granted Critical
Publication of CN202448558U publication Critical patent/CN202448558U/en
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

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Abstract

The utility model discloses a telescopic chalk case, belongs to a labor protection article and particularly relates to a chalk case used for teachers and students in classes. The telescopic chalk case is characterized in that a tapered sleeve A, a tapered sleeve B, a tapered sleeve C and a tapered sleeve D are sequentially sleeved into a whole from top to bottom to form the chalk case, and a chalk is sleeved in the tapered sleeve A which is arranged at the top end of the chalk case. The telescopic chalk case has the advantages that the tapered sleeves are mutually sleeved into a whole to form the telescopic chalk case, and the chalk is sleeved in the chalk case, so that users can optionally adjust the length of the chalk case according to the requirements, the defect that fingers of the teachers and the students are polluted by chalk powders when the teachers and the students hold chalks to write on the blackboard in classes is overcome due to the fact that the fingers of the teachers and the students are not directly contacted with the chalks, and the telescopic chalk case is good in environment benefits.

Description

A kind of telescopic chalk sleeve
Technical field
The utility model belongs to the give a lesson chalk sleeve of usefulness of a kind of articles for labour protection, particularly teacher.
Background technology
Chalk is present teacher, the classmates essential product of writing on the blackboard use on class, and teacher, classmates hold the chalk writing time and grown, and chalk powder pollutes teacher, classmates' finger, is easy to cause that the finger elephant skin are dry and cracked, makes troubles for teacher, classmates.
The utility model content
The deficiency of chalk ash pollution finger when using chalk in order to overcome; The purpose of the utility model provides a kind of telescopic chalk sleeve; This utility model can make teacher, classmates can use the chalk writing on the blackboard of giving a lesson flexibly, has alleviated the pollution of chalk powder to finger again.
The technical scheme that its technical problem of the utility model solution is taked is: a kind of telescopic chalk sleeve; It is characterized in that: described chalk sleeve is connected together successively from top to bottom by the jacket casing A that has tapering, jacket casing B, jacket casing C, jacket casing D and forms, and chalk sleeve is connected among the jacket casing A topmost.
The beneficial effect of the utility model is because the jacket casing that has tapering that connects together has each other been formed scalable chalk sleeve; With chalk sleeve in chalk sleeve; People are the length of regulated at will chalk sleeve as required; Thereby people's hand does not directly contact the generation of chalk powder pollution teacher, classmates' finger phenomenon when having overcome teacher, classmates and holding chalk and give a lesson writing on the blackboard with chalk owing to write, and has environmental benefit preferably.
Description of drawings
Fig. 1 is the structural representation of the utility model.
Among the figure, 1. chalk, 2. jacket casing A, 3. jacket casing B, 4. jacket casing C, 5. jacket casing D.
The specific embodiment
The specific embodiment of the utility model is, and is as shown in the figure:
Embodiment 1, and a kind of telescopic chalk sleeve is characterized in that: described chalk sleeve is connected together successively from top to bottom by the jacket casing A (2) that has tapering, jacket casing B (3), jacket casing C (4), jacket casing D (5) and forms, and chalk (1) is socketed among the jacket casing A topmost.

Claims (1)

1. telescopic chalk sleeve, it is characterized in that: described chalk sleeve is connected together successively from top to bottom by the jacket casing A that has tapering, jacket casing B, jacket casing C, jacket casing D and forms, and chalk sleeve is connected among the jacket casing A topmost.
CN2012200335533U 2012-02-03 2012-02-03 Telescopic chalk case Expired - Fee Related CN202448558U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN2012200335533U CN202448558U (en) 2012-02-03 2012-02-03 Telescopic chalk case

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN2012200335533U CN202448558U (en) 2012-02-03 2012-02-03 Telescopic chalk case

Publications (1)

Publication Number Publication Date
CN202448558U true CN202448558U (en) 2012-09-26

Family

ID=46864448

Family Applications (1)

Application Number Title Priority Date Filing Date
CN2012200335533U Expired - Fee Related CN202448558U (en) 2012-02-03 2012-02-03 Telescopic chalk case

Country Status (1)

Country Link
CN (1) CN202448558U (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105196741A (en) * 2015-10-02 2015-12-30 刘乐凝 Chalk with protecting bushes
CN105564091A (en) * 2015-12-04 2016-05-11 刘宁 Magnetic chalk sleeve

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105196741A (en) * 2015-10-02 2015-12-30 刘乐凝 Chalk with protecting bushes
CN105946397A (en) * 2015-10-02 2016-09-21 刘乐凝 Chalk protection sleeve
CN105196741B (en) * 2015-10-02 2016-11-16 刘乐凝 A kind of chalk of band sheath
CN105564091A (en) * 2015-12-04 2016-05-11 刘宁 Magnetic chalk sleeve

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Legal Events

Date Code Title Description
GR01 Patent grant
C14 Grant of patent or utility model
CF01 Termination of patent right due to non-payment of annual fee

Granted publication date: 20120926

Termination date: 20130203

C17 Cessation of patent right