CN201006657Y

CN201006657Y - Fountain pen

Info

Publication number: CN201006657Y
Application number: CNU2006201756464U
Authority: CN
Inventors: 解思鹏
Original assignee: QINGDAO CHANGLONG STATIONERY CO Ltd
Current assignee: QINGDAO CHANGLONG STATIONERY CO Ltd
Priority date: 2006-12-30
Filing date: 2006-12-30
Publication date: 2008-01-16
Anticipated expiration: 2016-12-30

Abstract

The utility model discloses a straight liquid pen, comprising a pen holder, a main body of the straight liquid pen, an ink chamber formed by the main body at the inner back end of the main body, a pen point at the front end of the main body, an adjuster in the main body and between the pen point and the ink chamber while the front end of the adjuster is communicated with outer space and back end is communicated with the ink chamber, a relay core which front end is contacted with a writing core, a gas-liquid exchange channel independently arranged on the adjuster while the section of the channel is gradually narrowed toward the pen point, and a small space between the tail of the adjuster and the distance wall of the pen holder. The back end of the relay core is through an ink guide post and communicated with the ink chamber via the tail face of the relay core. The utility model specially arranges an auxiliary gas-liquid channel at the adjuster to improve the air exchange channel, while the relay core is not inserted into the ink chamber, but communicated with the ink chamber only via tail face, therefore, the utility model can feed high-viscosity ink stably and effectively.

Description

Direct-fluid-supply writing

Technical field

The utility model belongs to writing implement, relates in particular to a kind of pen of direct-liquid type.

Background technology

Have various direct-fluid-supply writings at present on market, direct-fluid-supply writing is storage ink in cartridge directly, and possesses accurate air pressure and ink adjustment structure, can regulate going out the China ink amount.Therefore to go out China ink smooth going out Mo Shiyou, writes along sliding advantage.

But it is same because to regulate the structure of ink be that the physicochemical data under specific environment at certain or certain class ink designs and calculates, therefore when environment or the bigger variation of ink appearance, traditional adjuster direct-fluid-supply writing adaptability variation, the problem that occurs writing broken string or ink leak easily.

For overcoming the above problems, patent 02121736.X discloses a kind of direct-fluid-supply writing, adopts except that adjuster, increases an ink collector, and wherein, the adjuster that is formed with a gas-liquid exchange groove is arranged at regular intervals along the axial direction of ink supply pen core.In this direct-fluid-supply writing, a certain amount of ink that has response ink tank internal pressure to change flows in the groove between the adjuster and a plurality of air exchange grooves of discharging from these grooves, is formed between neighboring part of adjuster and the ink supply pen core contact portion.Though this scheme can remedy the deficiency of regulator function, implementation is comparatively complicated.

As another kind of solution, patent 98213812.1 discloses a kind of direct-fluid-supply writing, by adjusting the relaying core is the plastics relaying core of different cross section shape, solve the problem of the easy ink leak of direct-fluid-supply writing, but this solution is dealt with problems owing to only having solved the improvement that China ink, to influencing the not significantly improvement of whole direct-fluid-supply writing system gas, liquid function of exchange.

At present the adjuster direct-fluid-supply writing it can be suitable for ink kind less, main cause is if the surface tension of ink higher the time, the situation that occurs writing broken string through regular meeting.This is that structure by the adjuster of direct-fluid-supply writing causes, because the fluid path of the air flue of adjuster and ink is shared, so the inside and outside gas exchange of cartridge is not smooth when ink surface tension is higher when, causes ink to break.This problem never has good way and solves.If the surface tension of ink is less in addition, might cause the easy leakage problems of ink again.

Summary of the invention

At the deficiency of prior art, the purpose of this utility model provides a kind of direct-fluid-supply writing, comprises penholder, forms the main body of direct-fluid-supply writing, and cartridge in the rear end, inside of direct-fluid-supply writing main body, is formed by the main body of penholder; Nib is at the front end of direct-fluid-supply writing main body; Adjuster, in the inside of direct-fluid-supply writing main body, between nib and the cartridge, the front end and the atmosphere of adjuster communicate, and rear end and cartridge communicate; The relaying core, the front end contact nib of relaying core, this adjuster is provided with auxiliary gas-liquid switching path, and the cross sectional shape of this path adopts the gradual change size, narrows down gradually towards the nib direction; Leave small gap between the tail end of adjuster and the spaced walls of penholder; The rear end of relaying core is run through and is led black post and the breech face by the relaying core communicates with cartridge.

Optimally, the independent gas-liquid switching path structure of above-mentioned adjuster setting is that discontinuous cross sectional shape is adopted at the position that adjuster afterbody step disk and penholder cooperate, and forms and penholder cooperation regional ventilation gap.

Optimally, the independent gas-liquid switching path structure of above-mentioned adjuster setting is, the position of the position ink air channel that adjuster afterbody step disk and penholder cooperate is provided with the ladder air channel of constant dimension or varying width, the degree of depth, forms and penholder cooperation regional ventilation gap.

Optimally, the width of described step trough should be greater than the width of air channel, and the axial depth direction can run through afterbody step disk fully, also can partly run through the afterbody disk.

Optimally, asymmetric height or width are adopted at one of them end face of ink air channel in the position of the position ink air channel that above-mentioned adjuster afterbody step disk and main body penholder cooperate, and form and penholder cooperation regional ventilation gap.

Optimally, above-mentioned relaying core is running through the radial clearance of leading black post and forming circumference uniform distribution, and the cross sectional shape between this gap is continuous or discrete.

Optimally, above-mentioned nib is fiber nib, ball nib, sintering nib, plastics nib, pen nib.

Direct-fluid-supply writing of the present utility model is provided with independently gas-liquid switching path specially at the adjuster place, increased the path of ventilation, and the relaying core is not inserted into and only depends on breech face to communicate with cartridge in the cartridge; Lead the Mo Zhu cooperation place at relaying core afterbody and penholder and be provided with the gas-liquid switching path, thus the adjusting step by step by these two relatively independent gas-liquid switching paths, realizes dissimilar and physical and chemical index ink can both be highly stable ink supply, effect is fine.

In prioritization scheme of the present utility model, the feasible program of several adjuster independence gas-liquid switching paths is provided, they are at the position of adjuster afterbody step disk and penholder cooperation, various structures are set make adjuster afterbody step disk and penholder cooperate the back to form ventilative slit, and this slit can not directly see through ink.So these schemes are simply effective, and are very convenient; It is easy, easy for installation to produce, and need not carry out big adjustment on the original basis and just can realize, so cost is low.

Below in conjunction with Figure of description the present invention is done further disclosure.

Description of drawings

Figure of description 1 is the sectional view according to the utility model embodiment 1;

Figure of description 2 is that the adjuster afterbody adopts discontinuous cross sectional shape and penholder cooperation figure;

Figure of description 3 is that another kind of adjuster afterbody adopts discontinuous cross sectional shape and penholder cooperation figure;

Figure of description 4 is sectional views that the adjuster afterbody adopts ladder air channel and penholder to cooperate;

Figure of description 5 is stereograms that adjuster air channel both ends of the surface adopt asymmetric mode;

Figure of description 6 is relaying cores and leads the sectional view that black post endoporus cooperates;

Figure of description 7 is enlarged drawings of adjuster tail end face and penholder end clearance.

The specific embodiment

A kind of direct-fluid-supply writing comprises: nib 1, at the front end of direct-fluid-supply writing main body; Cartridge 2 is in the inboard rear end of direct-fluid-supply writing main body; Adjuster 3, between nib and cartridge, the front end and the atmosphere of adjuster communicate, and rear end and cartridge communicate; Relaying core 4, through adjuster central authorities, the front end of relaying core contact nib, the rear end is run through and is led black post and the breech face by the relaying core communicates with cartridge; Penholder 5 forms the main body of direct-fluid-supply writing, and lead Mo Zhu in cavity.This adjuster 3 also is provided with auxiliary gas-liquid switching path, and the cross sectional shape of this path adopts the gradual change size, narrows down gradually towards the nib direction.Leave small gap between the tail end of adjuster and the spaced walls of penholder.

Embodiment 1:

See also Figure of description 1, a kind of direct-fluid-supply writing comprises: nib 1, at the front end of direct-fluid-supply writing main body; Cartridge 2 is in the inboard rear end of direct-fluid-supply writing main body; Adjuster 3, between nib and cartridge, the front end and the atmosphere of adjuster communicate, and rear end and cartridge communicate; Relaying core 4, through adjuster central authorities, the front end of relaying core contact nib, the rear end is run through and is led black post and the breech face by the relaying core communicates with cartridge; Penholder 5 forms the main body of direct-fluid-supply writing, and lead Mo Zhu in cavity; Tail plug 6 is at the afterbody of penholder.This adjuster also is provided with auxiliary gas-liquid switching path, and the cross sectional shape of this path adopts the gradual change size, narrows down gradually towards the nib direction.Leave small gap between the tail end of adjuster and the spaced walls of penholder.See also Figure of description 7

See also Figure of description 5, the cooperation of present embodiment adjuster and penholder is as follows, the position of the position ink air channel 8 that adjuster afterbody step disk 31 and main body penholder 5 cooperate, one of them end face at ink air channel 8 adopts asymmetric height or width, forms and penholder cooperation regional ventilation gap.An end face is pruned one in this ink air channel 8 straight in fact, forms the breach of a wedge shape, and this wedge-shaped indentation cross sectional shape adopts gradual change size, narrows down gradually towards the nib direction.

The structure of the gas-liquid switching path of adjuster can have much in fact, below is other several feasible versions:

See also Figure of description 2, discontinuous cross sectional shape is adopted at the position that adjuster afterbody step disk 31 and penholder 5 cooperate, and forms and penholder cooperation regional ventilation gap.For example can adopt the equally distributed form of 12 place's circumferential clearances.

Perhaps also can adopt the form in Dan Chu gap, see also Figure of description 3.

Perhaps, see also Figure of description 4, the position of the position ink air channel 8 that adjuster afterbody step disk 31 and penholder 5 cooperate, the ladder air channel 81 of increase constant dimension or varying width, axial depth forms and penholder cooperates the regional ventilation gap.The width of step trough should be greater than the width of air channel, and the axial depth direction can run through the afterbody disk fully, also can partly run through the afterbody disk.

Transformation post regulator by above structure is provided with new gap, has increased regional ventilation's amount of adjuster ink air channel.

The relaying core runs through and leads Mo Zhu 7 on the penholder in addition, and and lead the gap that has formed petal shape continuous on the radial section direction between the Mo Zhu 7, please refer to Figure of description 6

Behind the can ink, when inactive state, the gap between penholder, the adjuster and relaying core, penholder are led the ink rete that gap between the black post will be had certain surface tension force and are sealed, and slot structure and the ambient atmosphere by adjuster is connected simultaneously.When the writing process ink inside constantly consumes, cause the space in the cartridge to continue to increase, air pressure in the storehouse has the trend that diminishes, the ink rete of airspace will be when writing the destroyed formation of the consumption space of ink, owing to there is the draught head of ambient atmosphere and cartridge, extraneous air enters into cartridge by these spaces and forms new balance.Since these a few class formation forms all can be suitable increasing and the extraneous air area that contact, so help the rapid balance of interior ambient pressure.

The structure applications of the utility model direct-fluid-supply writing is very extensive, and the nib that it can be applied to comprises the nib of different structures such as fiber nib, ball nib, sintering nib, plastics nib, pen nib.Perhaps ink can be different inks such as water-based, oiliness.

Cited concrete structure is not the qualification to this practical protection domain in the present embodiment, so other Rational structure of making according to the technical solution of the utility model all are protection domains of the present utility model.

Claims

1. direct-fluid-supply writing,

Comprise penholder, form the main body of direct-fluid-supply writing,

Cartridge in the rear end, inside of direct-fluid-supply writing main body, is formed by the main body of penholder;

Nib is at the front end of direct-fluid-supply writing main body;

Adjuster, in the inside of direct-fluid-supply writing main body, between nib and the cartridge, the front end and the atmosphere of adjuster communicate, and rear end and cartridge communicate;

The relaying core, the front end contact nib of relaying core,

It is characterized in that: this adjuster is provided with independently gas-liquid switching path, and the cross sectional shape of this path adopts the gradual change size, narrows down gradually towards the nib direction; Leave small gap between the tail end of adjuster and the spaced walls of penholder; The rear end of relaying core is run through and is led black post and the breech face by the relaying core communicates with cartridge.

2. direct-fluid-supply writing according to claim 1, it is characterized in that: the independent gas-liquid switching path structure of above-mentioned adjuster setting is, discontinuous cross sectional shape is adopted at the position that adjuster afterbody step disk and penholder cooperate, and forms and penholder cooperation regional ventilation gap.

3. direct-fluid-supply writing according to claim 1, it is characterized in that: the independent gas-liquid switching path structure of above-mentioned adjuster setting is, the position of the position ink air channel that adjuster afterbody step disk and penholder cooperate is provided with the ladder air channel of constant dimension or varying width, the degree of depth, forms and penholder cooperation regional ventilation gap.

4. direct-fluid-supply writing according to claim 3 is characterized in that: the width of described step trough should be greater than the width of air channel, and the axial depth direction can run through afterbody step disk fully, also can partly run through the afterbody disk.

5. direct-fluid-supply writing according to claim 1, it is characterized in that: the position of the position ink air channel that above-mentioned adjuster afterbody step disk and main body penholder cooperate, one of them end face at the ink air channel adopts asymmetric height or width, forms and penholder cooperation regional ventilation gap.

6. according to the described direct-fluid-supply writing of claim 1, it is characterized in that: above-mentioned relaying core is running through the radial clearance of leading black post and forming circumference uniform distribution, and the cross sectional shape between this gap is continuous or discrete.

7. direct-fluid-supply writing according to claim 1 is characterized in that: above-mentioned nib is fiber nib, ball nib, sintering nib, plastics nib, pen nib.