CN201313453Y - A refill with a replaceable refill head - Google Patents

Abstract

A refill with a replaceable refill head, which includes a refill rod, a pen tip, a rubber ring, a needle tube, and a small hole, and is characterized in that the front end of the refill rod is sealed with a rubber ring, and there is a small hole in the middle of the rubber ring, and the refill rod One end of the pen head is connected to the pen head, one end of the pen head is connected to one end of the needle tube, and the other end of the needle tube passes through the small hole in the middle of the rubber ring, and the needle tube and the small hole are sealed. The technical effects of the utility model are: easy to use, simple structure, low manufacturing cost, reusable pen head, greatly improving the use efficiency of the pen core.

Description

A refill with a replaceable refill head

technical field

The utility model relates to a pen core, in particular to a pen core with a replaceable pen core head.

Background technique

Pen is an essential necessity in life, it can express our thoughts and draw beautiful pictures. Pens of all kinds stand by our desks, including pens, pencils, ballpoint pens, and fountain pens. The fountain pen is especially popular because it is not only convenient and clear, but also can be replaced with different refills for writing. But because the pen is often easily dropped on the ground, the nib is easily damaged, and the whole pen core has to be replaced if the nib is broken. As a result, the ink in the pen core will be thrown away before it is used up, which is wasteful and pollutes the environment. If the broken refill head can be replaced, there is no need to throw away the entire refill.

Contents of the invention

The purpose of the utility model is to provide a refill with a replaceable refill head, which is easy to use, convenient for writing, and can be replaced with a new refill head at any time.

The utility model is achieved in this way, it includes a pen core rod, a nib, a rubber ring, a needle tube, and a small hole. Connect the pen head, one end of the pen head is connected to one end of the needle tube, and the other end of the needle tube passes through the small hole in the middle of the rubber ring, and the needle tube and the small hole are sealed. During use, the broken nib is pulled down from the pen core rod, so the needle tube is drawn out from the small hole, and because it is a rubber ring, the small hole retracts immediately, so that the pen core rod is just sealed, and the ink will not stay. When replacing with a new pen tip, insert the corresponding small hole of the needle tube to use.

The technical effects of the utility model are: convenient use, simple structure, low manufacturing cost, reusable pen head, greatly improving the use efficiency of the pen core.

Description of drawings

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

In the figure, 1. Pen core rod 2. Pen head 3. Rubber ring 4. Needle tube 5. Small hole

Detailed ways

As shown in Figure 1, the utility model is realized in this way, and it comprises pen core rod 1, nib 2, rubber ring 3, needle tube 4, small hole 5, and it is characterized in that rubber ring 3 is sealed and connected at the front end of pen core rod 1 , there is a small hole 5 in the middle of the rubber ring 3, one end of the refill rod 1 is connected to the nib 2, one end of the nib 2 is connected to one end of the needle tube 4, and the other end of the needle tube 4 passes through the small hole 5 in the middle of the rubber ring 3, and the needle tube 4 and Small hole 5 is sealed. During use, the broken nib 2 is pulled down from the refill rod 1, so the needle tube 4 is drawn out from the small hole 5, and because it is the rubber ring 3, the small hole 5 retracts immediately, so that the refill rod 1 is sealed. Ink will not stay. When a new nib 2 is replaced, the needle tube 4 is inserted into the corresponding small hole 5 and can be used.

Claims (1)

1, the interchangeable pen core of a kind of pen core head, it comprises reservoir shaft, nib, elastic tape, needle tubing, aperture, it is characterized in that connecting elastic tape in the reservoir shaft forward end seal, one aperture is arranged in the middle of the elastic tape, one end of reservoir shaft connects nib, one end of nib connects needle tubing one end, and the other end correspondence of needle tubing is passed the aperture in the middle of the elastic tape, and needle tubing and aperture sealing.

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