CN202098155U - Reusable gel ink pen refill - Google Patents

Abstract

The utility model relates to a gel ink pen refill, in particular to a reusable gel ink pen refill, which comprises a nib, a pen pipe, a vent pipe, a piston, a push-pull rod, a plug and an extension pipe. The nib is arranged at the bottom end of the pen pipe, the nib is in threaded connection with the pen pipe, the extension pipe is connected to the tail end of the nib, the piston is arranged in the pen pipe and in interference fit with the pen pipe, the push-pull rod is connected with the piston, the vent pipe penetrates through the push-pull rod and the piston, and the plug is matched with the vent pipe. The reusable gel ink pen refill has certain efficiency and overcomes defects that existing refills are disposable, nibs thereof cannot be changed, writing smoothness is affected by air bubbles generated in the refills when in ink refilling and the like.

Description

Reusable Gel Pen Refills

technical field

The utility model relates to a gel pen refill, in particular to a reusable gel pen refill.

Background technique

With the development of the times, gel pens with the advantages of fountain pens and ballpoint pens are widely used for their comfortable writing feel, low ink viscosity, and smoother advantages than ordinary oily ballpoint pens. A very big shortcoming of the sold gel pen is that the user can't pour the ink by himself like a fountain pen, and can only be used once, which not only greatly increases the cost of use, but also causes great waste of materials and environmental pollution. Although there are some inventions about gel pen refills that can be filled with ink at home and abroad, there are various problems, such as whether the bubbles generated in the refill will affect the smoothness of writing when the ink is filled, and the neutral The tip of the pen is broken or the tip of the pen is excessively worn due to long-term use, and ordinary gel pen refills cannot be replaced at any time.

Utility model content

The utility model aims to solve the above problems, and provides a reusable gel pen refill, which overcomes the disadvantages of the existing pen refills that can only be used once and the tip of the pen cannot be replaced, and achieves certain beneficial effects. The technical scheme adopted is as follows:

The reusable gel pen refill includes a nib and a pen tube, and the nib is located at the bottom of the pen tube, and it also includes a vent tube, a piston, a push-pull rod, a pen stopper and an extension tube, and the distance between the nib and the pen tube is The extension tube is connected to the tail end of the nib, the piston is located in the pen tube and has an interference fit with the pen tube, the push-pull rod is connected with the piston, and the air pipe runs through the push-pull rod and the piston , the pen stopper is matched with the vent tube.

On the basis of the above technical solution, the piston is made of rubber.

Compared with the prior art, the utility model has the following advantages: the production cost is low, the ink can be filled at any time, the bubbles generated in the process of filling the ink will not affect the smoothness of normal writing, and the nibs of various thicknesses can be replaced at any time. Use, greatly reduce the cost of using the gel pen and the pollution caused to the environment, and has strong practicability.

Description of drawings

Fig. 1: structural representation of the utility model;

Symbol Description

1 nib

2 extension tubes

3 pen tubes

4 pistons

5 push-pull rod

6 snorkel

7 pen stoppers

Detailed ways

Below in conjunction with accompanying drawing and example the utility model is described further:

As shown in Figure 1, the reusable gel pen refill of this embodiment includes a nib 1 and a pen tube 3, and the nib 1 is located at the bottom of the pen tube 3;

It also includes air pipe 6, piston 4, push-pull rod 5, pen stopper 7 and extension tube 2,

The nib 1 and the pen tube 3 are threadedly connected, and the nib 1 can be replaced arbitrarily when the nib 1 is damaged or severely worn during use;

The extension tube 2 is connected to the tail end of the nib 1, which can prevent the air bubbles entering the nib 3 from entering the nib 1 when replacing the nib 1 or absorbing ink and affecting normal writing;

The piston 4 is located in the pen tube 3 and has an interference fit with the pen tube 3, and the push-pull rod 5 is connected with the piston 4;

The ventilation tube 6 runs through the push-pull rod 5 and the piston 4, and communicates with the outside world and the inner cavity of the pen tube 3;

The pen stopper 7 is matched with the vent tube 6 .

Preferably, the material of the piston 4 is rubber.

During use, when ink needs to be sucked, the pen stopper 7 should be plugged into the vent tube 6 first, then the pen tip 1 should be unscrewed, the pen tube 3 should be inserted into the ink, and the push-pull rod 5 should be pulled to suck the ink into the pen tube 3 In the inner cavity; after the ink absorption is finished, the pen stopper 7 is pulled out, and the required air pressure can be provided for writing due to the function of the vent tube 6.

When not idle, in order to prevent the ink from overflowing, the pen stopper 7 is plugged into the air hole 6 and gets final product.

This reusable gel pen refill can be used directly or in a regular pen holder.

The utility model has been described above with examples, but the utility model is not limited to the above-mentioned specific embodiments, and any changes or modifications made based on the utility model all belong to the protection scope of the utility model.

Claims (2)

1. A reusable gel pen refill, comprising a nib and a pen tube, the nib is located at the bottom of the pen tube, characterized in that: it also includes a vent tube, a piston, a push-pull rod, a pen stopper and an extension tube, The nib is threadedly connected to the pen tube, the extension tube is connected to the tail end of the nib, the piston is located in the pen tube and has an interference fit with the pen tube, the push-pull rod is connected with the piston, and the ventilation tube Through the push-pull rod and the piston, the pen stopper is matched with the air pipe. 2. The reusable gel pen refill according to claim 1, wherein the piston is made of rubber.

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