Unlock instant, AI-driven research and patent intelligence for your innovation.

direct liquid writing instrument

A writing tool, straight liquid technology, applied in writing utensils, printing, ink pens with an ink storage tube in the barrel, etc., can solve the problems of difficult manufacturing, complex design, limited ink and so on

Active Publication Date: 2018-04-27
NINGBO WUYUN PEN MFG +1
View PDF14 Cites 0 Cited by
  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, the use of roll core or cotton tube as the ink storage medium usually has the following disadvantages: First, the use of roll core or cotton tube as the ink storage medium, because of the volume of the roll core or cotton tube itself, the stored ink is very limited
However, the ink supply mechanism of this gas-liquid exchange guides the air through the capillary channel. When the pressure in the ink tube changes, the ink enters the liquid storage chamber through the capillary channel. The liquid storage chamber is provided with an inverted V-shaped anti-flow part surrounding the ink supply channel. Complexity, high precision requirements, and difficult manufacturing
[0004] The U.S. Patent No. US6,095,707 and the U.S. Patent Application Publication No. US20030068191A1 both design a straight liquid writing instrument with a capillary reservoir. Around, when the external temperature and pressure change is small, the capillary reservoir can absorb the excess released from the ink tube to prevent leakage, but when the external temperature and pressure change greatly, it is easy to leak ink
[0005] The Chinese patent application with publication number CN1749029A and publication number CN101032905A has designed a straight-liquid writing tool with a plurality of connecting pipes, the connecting pipes are inserted in the ink absorbing body and communicate with the ink in the ink pipe, and the nib is inserted in the ink absorbing body. In the body, but this design is easy to cause ink leakage under the condition of external negative pressure

Method used

the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
View more

Image

Smart Image Click on the blue labels to locate them in the text.
Viewing Examples
Smart Image
  • direct liquid writing instrument
  • direct liquid writing instrument
  • direct liquid writing instrument

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0103] see figure 1 As shown, in the first specific embodiment of the present invention, the direct-liquid writing instrument of the present invention comprises a pen holder 1, a water diversion core 2, a nib 3 and an adjustment part 4, the bottom of the pen holder 1 is provided with a writing part 11, and the nib 3 is partially Inserted in the writing part 11 , the upper part of the pen holder 1 is provided with an ink storage part 12 , the ink storage part 12 is filled with ink 13 , and the adjustment part 4 is composed of an air-conducting material element 41 . The water guide core 2 is pierced with an air-guiding material element 41 , the upper part of the water guide core 2 is in contact with the ink 13 , and the lower part of the water guide core 2 is in contact with the upper part of the nib 3 to form an ink outlet channel. The inner side of the lower part of the penholder 1 of this straight-liquid writing instrument is designed with reinforcing ribs (not shown), and th...

Embodiment 2

[0107] see figure 2 As shown, in the second specific embodiment of the present invention, the direct-liquid writing instrument of the present invention includes a pen holder 1, a water guide core 2, a nib 3, an adjustment part 4 and a buffer storage part 5, and the lower part of the pen holder 1 is provided with a writing part 11. The nib 3 is partially inserted in the writing part 11, the upper part of the pen holder 1 is provided with an ink storage part 12, the ink storage part 12 is filled with ink 13, and the adjustment part 4 is composed of a first partition 42, an air guide material element 41 and The second partition plate 43 constitutes. The water guide core 2 is pierced with the first partition 42, the air guide material element 41 and the second partition 43, the upper part of the water guide core 2 is in contact with the ink 13, and the lower part of the water guide core 2 is in contact with the upper part of the nib 3 to form an ink outlet channel. The buffer st...

Embodiment 3

[0111] see image 3 As shown, the structure and working principle of the third embodiment of the present invention are similar to the second embodiment of embodiment 2, the difference is that the second air guide channel of the second separator 43 is changed from the second air guide hole 46 to The second air guide tube 47 is inserted into the air guide material element 41, the end face of the second air guide tube 47 inserted in the air guide material element 41 is provided with a second opening (not shown), and the adjustment part 4 also includes a protective Pipe 48, the protection pipe 48 is arranged on the second partition 43 and inserted in the air-conducting material element 41, the water diversion core 2 is penetrated in the protection pipe 48, and the protection pipe 48 is closely matched with the water diversion core 2, thus increasing the adjustment Part 4's ability to withstand external negative pressure.

the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
Login to View More

PUM

No PUM Login to View More

Abstract

Disclosed is a direct-liquid writing instrument, which comprises a pen rod (1), an ink feeder (2), a pen nib (3) and an adjusting portion (4). One end of the pen rod is provided with a writing portion (11), and a part of the pen nib is inserted into the writing portion. The other end of the pen rod is provided with an ink storing portion (12). The adjusting portion is positioned in the pen rod and between the ink storing portion and the writing portion so as to realize air permeability and liquid blockage. The ink storing portion may also communicate with the external environment via an air passage provided in the writing portion to automatically adjust the pressure in the ink storing portion. The ink feeder passes through the adjusting portion with one end contacting with the ink and the other end contacting with the pen nib. The writing instrument has a simple structure, and writes fluently.

Description

technical field [0001] The invention relates to the technical field of office supplies, in particular to the technical field of writing instruments, in particular to a direct liquid writing instrument. Background technique [0002] Writing instruments such as marker pens, whiteboard pens, highlighters, etc. usually use roll-wrapped cores or cotton tubes as ink storage media. However, the use of roll cores or cotton tubes as the ink storage medium usually has the following disadvantages: First, the use of roll cores or cotton tubes as the ink storage medium, because the volume of the roll core or cotton tube itself, stores ink is very limited. Secondly, with the writing tool that uses roll-wrapped core or cotton tube as the ink storage medium, as the writing continues during the writing process, the ink output per unit writing length will gradually decrease, and the written handwriting will gradually fade. Another disadvantage of writing instruments that use roll cores or co...

Claims

the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
Login to View More

Application Information

Patent Timeline
no application Login to View More
Patent Type & Authority Patents(China)
IPC IPC(8): B43K8/03B43K8/04
CPCB43K5/18
Inventor 王立平闻阳闻向阳
Owner NINGBO WUYUN PEN MFG