CN204622905U

CN204622905U - A kind of Portable chalk pen cap

Info

Publication number: CN204622905U
Application number: CN201520341758.1U
Authority: CN
Inventors: 孙斯凡
Original assignee: Individual
Current assignee: Individual
Priority date: 2015-05-26
Filing date: 2015-05-26
Publication date: 2015-09-09
Anticipated expiration: 2025-05-26

Abstract

The utility model relates to realia field, and especially a kind of Portable chalk pen cap, comprises the pen cap, the lower pen cap, cutting ferrule spring and fixed band; The upper pen cap and the lower pen cap adopt concavo-convex translot to be slidably connected, and cutting ferrule spring is installed between the pen cap and the lower pen cap, and cutting ferrule spring is provided with ratchet and lower ratchet, its internal diameter and chalk diametric fit used, and upper ratchet and the upper pen cap are fixed, and lower ratchet and the lower pen cap are fixed; The periphery of the upper pen cap is provided with fixed band, and stitching is fixed on the pen cap, and the other end is set to the cylindrical shape of force-loose thickness adjustable, the utility model achieves and is fixed on user's finger by Chalk cover, convenient and swiftly to take, not easily lose, saved the time.

Description

A kind of Portable chalk pen cap

Technical field

The utility model relates to realia field, especially a kind of Portable chalk pen cap.

Background technology

At present, in teachers ' teaching process, blackboard is write drawing all to be needed to use chalk, and existing Chalk cover comprises the pen cap, the lower pen cap, and cutting ferrule spring forms; As name is called the patent of " a kind of Chalk cover; application number is 201420349030.9 ", by arranging cutting ferrule spring, by chalk sleeve in the pen cap, solve the pollution problem of tactile chalk to health and surrounding environment that directly catch to a certain extent, decrease the waste of chalk simultaneously.But due to Chalk cover small volume, place and carry and improperly easily go out the phenomenon that active or used time can not find, thus delay the time of user, the advantage of Chalk cover can not be given full play to.

Summary of the invention

In order to overcome the deficiency of existing Chalk cover design, the utility model provides a kind of Portable chalk pen cap, without the need to looking about when this Portable chalk using, conveniently can use, saving the time.

The utility model solves the technical scheme that its technical problem adopts: a kind of Portable chalk pen cap, comprises the pen cap, the lower pen cap, cutting ferrule spring and fixed band; The upper pen cap and the lower pen cap adopt concavo-convex translot to be slidably connected, and cutting ferrule spring is installed between the pen cap and the lower pen cap, and cutting ferrule spring is provided with ratchet and lower ratchet, its internal diameter and chalk diametric fit used, and upper ratchet and the upper pen cap are fixed, and lower ratchet and the lower pen cap are fixed; The periphery of the upper pen cap is provided with fixed band, and stitching is fixed on the pen cap, and the other end is set to the cylindrical shape of force-loose thickness adjustable, and the finger being applicable to different thicknesses uses.

The beneficial effects of the utility model are, a kind of Portable chalk pen cap, by arranging fixed band, achieving and being fixed on user's finger by the chalk sleeve of band chalk, convenient and swiftly taking, not easily lose, saved the time.

Accompanying drawing explanation

Below in conjunction with drawings and Examples, the utility model is further illustrated.

Fig. 1 is structural representation of the present utility model.

The pen cap on 1. in figure, 2. cutting ferrule spring, 3. goes up ratchet, 4. descends ratchet, 5. descends the pen cap, 6. fixed band.

Detailed description of the invention

With reference to accompanying drawing, a kind of Portable chalk pen cap, comprises the pen cap 1, the lower pen cap 5, cutting ferrule spring 2 and fixed band 6; The upper pen cap 1 and the lower pen cap 5 adopt concavo-convex translot to be slidably connected, cutting ferrule spring 2 is installed between the pen cap 1 and the lower pen cap 5, and cutting ferrule spring 2 is provided with ratchet 2 and lower ratchet 3, its internal diameter and chalk diametric fit used, upper ratchet 3 is fixed with the upper pen cap 1, and lower ratchet 4 is fixed with the lower pen cap 5; Be provided with fixed band 6 in the periphery of the upper pen cap 1, fixed band 6 one end is enclosed within the middle part of the pen cap 1 periphery, and stitching is fixed on the pen cap 1, and the other end is set to the cylindrical shape of force-loose thickness adjustable, and the finger being applicable to different thicknesses uses.

Claims

1. a Portable chalk pen cap, comprises the pen cap, the lower pen cap, cutting ferrule spring and fixed band; The upper pen cap and the lower pen cap adopt concavo-convex translot to be slidably connected, and cutting ferrule spring is installed between the pen cap and the lower pen cap, and cutting ferrule spring is provided with ratchet and lower ratchet, its internal diameter and chalk diametric fit used, and upper ratchet and the upper pen cap are fixed, and lower ratchet and the lower pen cap are fixed; It is characterized in that, the periphery of the upper pen cap is provided with fixed band, and fixed band one end is enclosed within the middle part of pen cap periphery, and stitching is fixed on the pen cap, and the other end is set to the cylindrical shape of force-loose thickness adjustable.