CN203077935U

CN203077935U - Pen cartridge

Info

Publication number: CN203077935U
Application number: CN 201220757284
Authority: CN
Inventors: 潘婧文
Original assignee: Individual
Current assignee: Individual
Priority date: 2012-12-31
Filing date: 2012-12-31
Publication date: 2013-07-24
Anticipated expiration: 2022-12-31

Abstract

The utility model discloses a pen cartridge which comprises a pen cartridge body, a pen point and a push rod. An air hole is arranged on the pen cartridge body, and the push rod is inserted into the tail end of the pen cartridge body. When the pen cartridge is used, air can enter through the air hole to keep pressure inside and outside the pen cartridge to be balanced, and ink can flow out of the pen point. When the ink is to be used up and cannot flow out smoothly, the push rod at the tail end of the pen cartridge body can be used for exerting pressure to enable ink to flow out of the pen point to guarantee writing. The pen cartridge can enable ink which is to be used up to flow out smoothly.

Description

Pen core

Technical field

The utility model relates to the cultural goods field, is specifically related to a kind of pen core.

Background technology

Common pen core we with to the end the time, write and will have some setbacks, we often use the openend that mouth blows pen core, exert pressure in pen core, and ink is flowed out from nib, guarantee the carrying out of writing, but so unusual trouble and unhygienic.

The utility model content

(1) technical problem that will solve

The technical problems to be solved in the utility model is how to make pen core with flowing out ink smoothly to the end.

(2) technical scheme

For solving the problems of the technologies described above, a kind of pen core is provided, pen core comprises cartridge body, nib and push rod, and cartridge body is provided with pore, and push rod inserts the tail end of cartridge body.The firm time spent of pen core, can pass through the pore air inlet, guarantee the pen core inside and outside air pressure balance, guarantee that ink can flow out from nib, wait the pen core ink to use up outflow soon when smooth, can exert pressure by cartridge body tail end push rod, ink is flowed out from nib, guarantee to write.

(3) beneficial effect

Pen core of the present utility model still can smooth and easy water outlet when the ink of pen core is used up soon.

Description of drawings

Fig. 1 is the structural representation according to the pen core of the utility model embodiment.

Wherein, 1: cartridge body; 2: nib; 3: push rod; 4: pore.

The specific embodiment

Below in conjunction with drawings and Examples, the specific embodiment of the present utility model is made an into detailed description.Following examples are used to illustrate the utility model, but are not used for limiting scope of the present utility model.

As shown in Figure 1, the utility model provides a kind of pen core, and pen core comprises cartridge body 1, nib 2 and push rod 3, and cartridge body is provided with pore 4, and push rod 3 inserts the tail end of cartridge body 1.The firm time spent of pen core, can pass through pore 4 air inlets, guarantee the pen core inside and outside air pressure balance, guarantee that ink can flow out from nib 2, wait the pen core ink to use up outflow soon when smooth, can exert pressure by cartridge body 1 tail end push rod 3, ink is flowed out from nib 2, guarantee to write.

The above only is a preferred implementation of the present utility model; should be understood that; for those skilled in the art; under the prerequisite that does not break away from the utility model know-why; can also make some improvement and modification, these improve and modification also should be considered as protection domain of the present utility model.

Claims

1. a pen core is characterized in that, described pen core comprises cartridge body, nib and push rod, and described cartridge body is provided with pore, and described push rod inserts the tail end of described cartridge body.