CN201824687U

CN201824687U - Chalk sleeve

Info

Publication number: CN201824687U
Application number: CN2010205429542U
Authority: CN
Inventors: 宋世豪
Original assignee: Individual
Current assignee: Individual
Priority date: 2010-09-27
Filing date: 2010-09-27
Publication date: 2011-05-11
Anticipated expiration: 2020-09-27

Abstract

The utility model relates to a chalk sleeve comprising a sleeve body, wherein the sleeve body has a hollow cylinder structure, and the inner part of the sleeve body is provided with a transverse baffle which divides the inner part of the sleeve body into two isometrical cavity bodies; the inner surface of a cavity body I is fixedly connected with a spring sleeve, the outer surface of a cavity body II is provided with an electronic watch and a calculator, and the cavity body II is internally provided with a pair of tweezers; and one end of the cavity body II, away from the cavity body I, is in threaded connection with a telescopic rod, and the tail end of the telescopic rod is provided with an illuminating device. During use, a teacher can take out the tweezers in the cavity body II to clamp a chalk head by utilizing the tweezers and insert the chalk head into the inner part of the cavity body I, so that the skin of the hand of the teacher can be protected when the teacher use the chalk head to write on a blackboard; the electronic watch and the calculator arranged on the outer surface of the cavity body II are convenient for the teachers to know the time and make calculation; and the telescopic rod arranged at one end of the cavity body II, away from the cavity body I can play the role of a ferule. The chalk sleeve has the advantages of being simple in structure and convenient in use, giving new functions to the chalk sleeve and bringing more convenience for the teachers during use.

Description

A kind of chalk sleeve

Technical field the utility model relates to a kind of teaching aid, especially a kind of chalk sleeve that be convenient to take the time function and calculator function are provided.

Background technology is well-known, chalk sleeve is an instructors when writing writing on the blackboard, one of requisite articles for use that the protection hand skin is not injured, but existing chalk sleeve function singleness, for example: existing chalk sleeve and teacher's pointer are not accomplished one-object-many-purposes fully for independently individual; In addition, existing chalk sleeve does not have the function of being convenient to take the time with calculator, and these all can not satisfy the use needs of instructors.

The summary of the invention the purpose of this utility model is to provide a kind of having concurrently to be convenient to take the time and calculator function, and the chalk sleeve that is integrated in one with teacher's pointer.

The utility model comprises body, and body is the hollow circuit cylinder body structure, and is provided with lateral partitions in the inside of body, and dividing plate is divided into two big cavitys such as grade with body inside, in the affixed resilient sleeve of the inner surface of cavity one; Outer surface at cavity two is provided with electronic watch and calculator, is built-in with at cavity two and takes the photograph son; Connect expansion link at cavity two away from the threaded one end of cavity one, and be provided with lighting device at the end of expansion link.

After adopting said structure, during use, instructors can be taken out the son of taking the photograph in the cavity two, and utilization is taken the photograph son and clamped the chalk head, and the chalk head is inserted into cavity one inside, holds body, can protect the skin of hand when writing writing on the blackboard, avoids hand skin to come to harm; The electronic watch and the calculator of cavity two outer surfaces are convenient to that instructors takes the time and are used when calculating; The expansion link that cavity two is held one by one away from cavity can be brought into play the function of teacher's pointer.

The utility model has the advantages that: simple in structure, easy to use, given chalk sleeve new function, bring greater convenience for the use of instructors.

Description of drawings Fig. 1 is a schematic perspective view of the present utility model.

The specific embodiment is in the schematic perspective view of a kind of chalk sleeve shown in Figure 1, comprise body 1, body is the hollow circuit cylinder body structure, and is provided with lateral partitions 2 in the inside of body, dividing plate is divided into two big cavitys such as grade with body inside, in the affixed resilient sleeve 4 of the inner surface of cavity one 3-1; Outer surface at cavity two 3-2 is provided with electronic watch 5 and calculator 6, is built-in with at cavity two and takes the photograph son 7; Connect expansion link 8 at cavity two away from the threaded one end of cavity one, and be provided with lighting device 9 at the end of expansion link.

Claims

1. a chalk sleeve comprises body, it is characterized in that: body is the hollow circuit cylinder body structure, and is provided with lateral partitions in the inside of body, and dividing plate is divided into two big cavitys such as grade with body inside, in the affixed resilient sleeve of the inner surface of cavity one; Outer surface at cavity two is provided with electronic watch and calculator, is built-in with at cavity two and takes the photograph son; Connect expansion link at cavity two away from the threaded one end of cavity one, and be provided with lighting device at the end of expansion link.