CN2858297Y

CN2858297Y - Ball pen core with changeable pen point

Info

Publication number: CN2858297Y
Application number: CN 200520125126
Authority: CN
Inventors: 张慧
Original assignee: Individual
Current assignee: Individual
Priority date: 2005-11-28
Filing date: 2005-11-28
Publication date: 2007-01-17
Anticipated expiration: 2015-11-28

Abstract

Ball pen core with changeable pen point, pertains to a stationery category, which is composed of a pen point and a pen core pipe. The screw threads are both provided in outside of the top end of the pen point and inside of the bottom of the pen core pipe, the top end of the pen point screws into the the bottom of the pen core pipe. when using the utility model, it is only needed to screw the pen point with suitable thickness into the the bottom of the pen core pipe. The utility model has a reasonable design, and can be used at will.

Description

The refill for ball-point pen that nib is interchangeable

(1) technical field

The utility model relates to a kind of refill for ball-point pen, the interchangeable refill for ball-point pen of particularly a kind of nib.

(2) background technology

Existing refill for ball-point pen is the formula of being fixed as one, and promptly nib is fixed on pen core tube one end, and this refill for ball-point pen has when using not too descend water, the chap of the meeting that has lines, and the suitable nib of thickness is used up and have to be abandoned owing to printing ink.

(3) summary of the invention

For overcoming the defective of prior art, the utility model provides a kind of refill for ball-point pen reasonable in design, written interchangeable.

The refill for ball-point pen that a kind of nib is interchangeable is made up of nib and pen core tube, and the outside, nib upper end and inboard, pen core tube lower end all have screw thread, in the nib upper end precession pen core tube lower end.

When using the utility model, optional thickness gets final product in the suitable written precession pen core tube lower end.

The utility model is reasonable in design, use is arbitrarily satisfying.

(4) description of drawings

Fig. 1 is the utility model schematic diagram.

Wherein: 1, nib, 2, pen core tube, 3, screw thread.

(5) specific embodiment

Embodiment:

The utility model is made up of nib 1 and pen core tube 2, and the outside, written 1 upper end and inboard, pen core tube 2 lower end all have screw thread 3, in written 1 upper end precession pen core tube 2 lower ends.

Claims

1. the refill for ball-point pen that nib is interchangeable is characterized in that, is made up of nib and pen core tube, and the outside, nib upper end and inboard, pen core tube lower end all have screw thread, in the nib upper end precession pen core tube lower end.