CN2099673U

CN2099673U - Ball-pen with universal refill

Info

Publication number: CN2099673U
Application number: CN 91203107
Authority: CN
Inventors: 王钦予
Original assignee: Individual
Current assignee: Individual
Priority date: 1991-03-01
Filing date: 1991-03-01
Publication date: 1992-03-25

Abstract

The utility model relates to a ball pen making use of the telescopic positioning principle of a draw rod to be suitable for various ball pen cores with different lengths and diameters sold in the market, which is composed of a pen cap, a draw rod (comprising the baffle of the draw rod) in a telescopic positioning type, a pen body, an end sleeve and a ball pen core sold in the market. The utility model is characterized in that the positioning is realized by the frictional force of the tight fit among each plastic sleeve pipe forming the draw rod in order to be suitable for the pen cores with different lengths and diameters.

Description

Ball-pen with universal refill

The utility model is that a kind of flexible positioning principle of pull bar that utilizes adapts to commercially available various different length, the ball pen of diameter refill for ball-point pen.

Existing ball pen all uses the pen core of specific length only, the refill for ball-point pen that user Chang Yinwu is suitable and feel deeply inconvenience.

The utility model aims to provide a kind of suitable existing various pen core length and diameter, and technology is simple, and is with low cost, convenient and practical ball pen.

The related random core ball pen of the utility model is made of plastics, and it is by the cap for brush, telescopic positioning tie bar (containing the pull bar shelves pulls), and a body, the end cover, and commercially available refill for ball-point pen is formed.

Fig. 1 is a profile of the present utility model.Wherein:

1. the cap for brush

2. telescopic positioning tie bar (containing the pull bar shelves pulls)

3. a body

4. refill for ball-point pen (being commercially available the shortest shown in the figure)

5. end overlaps

Critical component of the present utility model is telescopic positioning tie bar. This pull bar is similar to common commercially available telescopic antenna, but different. At first be the material difference, this pull bar is made of plastics entirely. Next is the positioning principle difference, and this pull bar is not by the reed location, but realizes the location by the tight fit frictional force between each section plastic bushing that forms pull bar. The profile that is at last two tops is different, and the upper top of this pull bar (with cap for brush inner top contact position) be open-ended both, does not have again internal thread, and only is a common circular section; The lower top of this pull bar (with the parts of plastics contact position of pen core) is a plastic disc. This disk and pull bar the thinnest one section namely one of the most close pen core is truncated into an integral body. It is made of being: 1. be convenient to pulling when stretching pull bar stressed; 2. be convenient to oppress the pen core of different-diameter.

The positioning tie bar full extension and retract fully between alternate position spike be 6.6 centimetres, this be because, commercially available refill for ball-point pen maximum length is 10.6 centimetres, shortest length is 4 centimetres, its length difference is 6.6 centimetres.

Tight fit frictional force between each section of pull bar should be 2.5 kilograms.Experiment shows that when using ball pen manifolding (firmly maximum), ball pen and paper contact position are about 2 kilograms to the thrust of cap for brush direction.

Tight fit frictional force between the cap for brush and a body is 2.5 kilograms, and a body is (to take off when end is enclosed within work, need not stressed about 0.5 kilogram with the sliding fit frictional force of end inner room.0.5 kgf is to keep the overall appearance of pen and establish herein.That is, this pen is just put on the end cover when not using).

Arbitrarily the assembling process of core ball pen is as follows:

1. pen core drops in the body, and the metal termination of pen core is stretched out a body aperture and got final product.

2. according to pen core length adjustment pull bar length.Make pen core length add the maximum length that upper connecting rod length is longer than an inner chamber slightly.

3. top under the pull bar is dropped in the body, put the cap for brush, shift the cap for brush onto position downwards.

4. put on end cap.

Changing pen core can carry out with reference to said process.

Claims

Random core ball pen, by the cap for brush [1], telescopic positioning tie bar (containing the pull bar shelves pulls) [2], body [3], end cover [5], and commercially available refill for ball-point pen [4] composition, it is characterized in that: realize the location by the tight fit frictional force between each section plastic bushing of forming pull bar, to adapt to the pen core of commercially available different length and diameter.