CN2806170Y - Clean chalk sleeve - Google Patents

Abstract

The utility model particularly relates to a clean chalk sleeve, which prevents the chalk powder from sticking on hands and belongs to the field of teaching appliances. The clean chalk sleeve comprises a pressing device, a bottom chalk sleeve and a chalk pipe, wherein one layer of rubber is fixed at the bottom of the chalk pipe. The utility model is characterized in that the pressing device of which the inner side is provided with a spring is fixed on the upper part of the chalk pipe, and the bottom of the pressing device is fixed with a chalk sleeve. Thus, the utility model has the advantages that the utility model makes the hands clean and neat, the structure is simple and the operation is convenient.

Description

The cleaning powder pen cap

(1) technical field under

This patent relates to a kind of teaching aid field, and particularly a kind of chalk foam that makes can not adhere on hand the cleaning powder pen cap.

(2) background technology

The last class of teacher need be write a lot of words; And hand is directly held chalk and is write on blackboard, thereby a class gets off, and teacher can be stained with a lot of chalk foams on hand.Be a teacher when washing one's hands, skin can be very dry, even have cuticle to fall down, and has a strong impact on skin surface.The chalk foam is a noxious material, and is also totally unfavorable to the health of human body.

(3) summary of the invention

The utility model is in order to remedy the deficiency of above technology, provides a kind of especially and can make that hand is clean, cleaning and the cleaning powder pen cap simple in structure, easy to use.

The technical solution of the utility model is:

A kind of cleaning powder pen cap comprises and presses the chalk pipe that device, bottom chalk sleeve and bottom are fixed with one deck rubber that its special character is: the device of pressing that there is spring an inside is fixed on the top of chalk pipe, and a bottom chalk sleeve is fixed in described bottom of pressing device.

Owing to when using, chalk is placed in the chalk pipe, be equivalent to the chalk sleeve last layer pen cap, make hand directly not contact chalk.

Therefore, the utlity model has can make that hand is clean, cleaning and advantage simple in structure, easy to use.

(4) description of drawings

Accompanying drawing is a structural representation of the present utility model.

Among the figure, 1 presses device, 2 bottom chalk sleeves, 3 chalk pipes, 4 rubber.

(5) specific embodiment

The utility model is described in further detail below in conjunction with accompanying drawing, accompanying drawing is a kind of specific embodiment of the present utility model, this embodiment comprises and presses the chalk pipe 3 that device 1, bottom chalk sleeve 2 and bottom are fixed with one deck rubber 4, what the top of chalk pipe 3 fixed that there is a spring inside presses device 1, and a bottom chalk sleeve 2 is fixed in described bottom of pressing device 1.

During use, chalk is placed in the chalk sleeve 2 of bottom, when using a budgust pen, press device 1, chalk can advance along with power, because chalk pipe 3 bottoms are fixed with one deck rubber 4, so chalk can not glide or on move, and be fixed on this, thereby this chalk can continue again to have used.

Claims (1)

1. cleaning powder pen cap, comprise and press the chalk pipe (3) that device (1), bottom chalk sleeve (2) and bottom are fixed with one deck rubber (4), it is characterized in that: what the top of chalk pipe (3) fixed that there is a spring inside presses device (1), and a bottom chalk sleeve (2) is fixed in described bottom of pressing device (1).

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