CN2931137Y - Writing tools - Google Patents

Abstract

The utility model relates to a writing tool, comprising a commonly used writing nib which is used to smear the writing ink on a writing medium; a first ink storage cavity which is used to supply the writing ink to the writing nib; a connecting cover used to connect the writing nib with the first ink storage cavity, wherein, at least one movable additional ink storage cavity is arranged outside the first ink storage cavity; and at least one puncturing device which is arranged outside or inside the first ink storage cavity and used to puncture and guide the writing ink in the additional ink storage cavity and guide the writing ink in the at least one additional ink storage cavity to the writing nib orderly and directly, therefore, the ink storage amount can be increased, and ink leaking phenomenon can be effectively prevented and avoid. The structure is simple, reasonable, low in cost and suitable for mass production.

Description

Writing implement

Technical field

The utility model relates to a kind of writing implement, particularly as the writing implement of color pen, felt material stylus, fibre-tip pen, ball pen, pen and other types.

Background technology

Writing implement on the existing market, complex forms is changeable, great variety of goods, but all have following common shortcoming: 1, deposit write black liquid storage very little, the frequency of the new pen of transposing is very high.2, because of this body structure of writing implement institute extremely, itself can bear when depositing the capacity of writing black liquid if surpass to lettering pen filling, the very easy ink leak water of this pen then, so its anti-performance of leaking is just poor, is the structure that belongs to low capacity so write the capacity of black liquid in the existing writing implement.3, especially popular a kind of disposable writing implement just be abandoned when also very new because of the structure that uses up fast of writing black liquid often, thereby the utilization rate of lump-sum is very low, causes the very big wasting of resources.

Also there are a lot of inventors existing writing implement being studied and improved at the problems referred to above, for example, a kind of marking tool of describing in the WO93/05966 patent application, also having at publication number is the writing implement of describing in the Chinese patent literature of CN1086173A.Disclose in these two parts of patent documentations and adopted large and small ink storage chamber to solve the black liquid storage problem very little of writing of depositing.Technical scheme mainly is to adopt diaphragm element to be divided into big ink storage chamber and less ink storage chamber ink storage chamber, and make opening of diaphragm element realize that the black liquid of writing of big ink storage chamber is fed in the less ink storage chamber by the flexible of tip of stylus, like this, though the liquid storage amount of this writing implement is increased, but when in writing process, needing writing black liquid and replenish to give less ink storage chamber from big ink storage chamber or afterwards, it writes the position that black liquid still can continue to flow to or be penetrated into marker nib, thereby cause the weeping when normally writing, one of its reason is that to be supplied to the liquid China ink of writing of less ink storage chamber be that lengthwise movement by a movable part makes valve open to big ink storage chamber, cause the inner pressure that produces of ink storage chamber, cause writing black liquid and constantly extrude and produce weeping.

Also there is the inventor making improvements at the existing defective of said structure, in the WO96/14998 patent application a kind of marking tool is disclosed for example, structure that it is basic and WO93/05966 patent and Chinese patent CN1086173A are similar, it mainly improves: little liquid storage cylinder is adopted the cyclic spring deformable piece, and purpose is above-mentioned water clock to be write black liquid when enlarging to suck back after nib moves forward in the process from nib by the compression of the cyclic spring deformable piece cavity on the service duct again.But this topology discovery moves forward in the process at nib, and the liquid that often flows to or be penetrated into nib too much can't in time suck back it, perhaps sometimes air is sucked back and writes liquid and almost seldom suck back.Moreover for adopting the common writing implement that has the tip of stylus of ball, because it is case type, permeating or be forced out the liquid that comes almost can't be sucked back, therefore, still exists weeping.

Also have and adopt the liquid outlet of two ink storage chambers in turn to write black liquid to the tip of stylus supply for being set up in parallel by rotation, very easily cause owing to must be closed again after a plurality of liquid outlets rotate and to be sealed with very big difficulty, therefore, also be easy to occur weeping.

Summary of the invention

The purpose of this utility model is a kind of ink reservoir volume that can increase that proposes at the defective of above-mentioned present technology existence, can prevent and avoid simultaneously the writing implement of weeping again effectively.

Another purpose of the present utility model be at least one movably additional ink storage chamber is set outside first ink storage chamber dexterously and outside first ink storage chamber or interior setting be used for guiding at least one Durchgangshohle device of writing black liquid, writing time is prolonged with becoming several times at double or, this is simple and reasonable for structure, cost is low, safe in utilization, save resource, be fit to produce in enormous quantities.

In order to realize the foregoing invention purpose, the utility model adopts following technical scheme, it comprises: tip of stylus commonly used, be used for to write black liquid and be coated in writing medium, first ink storage chamber, be used for writing black liquid, adapter sleeve to the tip of stylus supply, be used to connect the tip of stylus and first ink storage chamber, it is characterized in that: described at least one movably additional ink storage chamber that outside first ink storage chamber, is provided with; Also comprise described outside first ink storage chamber or at least one be set be used for break-through and at least one additional ink storage chamber of guiding is write the Durchgangshohle device of black liquid.

Described at least one additional ink storage chamber is totally enclosed structure.

Described at least one additional ink storage chamber is arranged on the top of first ink storage chamber.

Described additional ink storage chamber has at least part to be arranged on described first ink storage chamber along on the tube wall of the longitudinal direction extension of writing implement.

Between described first ink storage chamber and the additional ink storage chamber sealing ring is set.

The structure that moves down on mobile the serving as reasons of described at least one additional ink storage chamber.

Described Durchgangshohle device is arranged on the top of first ink storage chamber.

Described Durchgangshohle device is arranged on the top of first ink storage chamber.

Described Durchgangshohle device is arranged in first ink storage chamber.

Described Durchgangshohle device is arranged on the interior bottom of first ink storage chamber.

Describedly on additional ink storage chamber or Durchgangshohle device, scavenge duct is set.

The described setting between first ink storage chamber and tip of stylus resists the leakage device.

Described in first ink storage chamber, be provided with have an adsorption capacity contain the liquid core.

Be provided with first blow vent described containing between the liquid core and first ink storage chamber.

Described second blow vent that is provided with on first ink storage chamber and/or adapter sleeve, described second blow vent is connected with described first blow vent.

Described Durchgangshohle device comprises that feedthrough and second draws black liquid core, and described second draws black liquid core is arranged in the feedthrough, and has at least and partly be exposed at or expose in the import of feedthrough.

Described second to draw black liquid core be felt core body or the fiber core body with capillary attraction.

Described second draws black liquid core and described feedthrough is the structure of mutual close-fitting.

Described second to draw black liquid core be to have the rectangular core body that draws black groove.

Described tip of stylus comprises that first draws black liquid core or comprise that first draws black liquid core and ball.

Described second draws first in black liquid core and the tip of stylus draws black liquid core and is connected.

Described scavenge duct is arranged on the feedthrough.

Described have second drawing black liquid core overcoat is set partly at least outward.

The bottom of described at least one additional ink storage chamber is provided with recess, and the feedthrough of described first ink storage chamber top is inserted in the described recess, and can be connected hermetically mutually.

The bottom of described additional ink storage chamber is provided with recess, and is provided with accordingly with Durchgangshohle device in described first ink storage chamber.

Described at least one additional ink storage chamber is provided with protective cover outward.

The utility model adopts movably at least one additional ink storage chamber, with outside first ink storage chamber or at least one of interior setting be used for the Durchgangshohle device that break-through and at least one additional ink storage chamber of guiding are write black liquid, make the black liquid of writing at least one additional ink storage chamber in turn directly be supplied to tip of stylus by at least one Durchgangshohle device, but thereby reach the purpose of continuous several times Palingraphia, avoided in the prior art such as adopting the liquid outlet that originally was provided with in second ink storage chamber, and the valve that on this liquid outlet, is provided with, by constantly opening or closing of valve, the black liquid of writing in second ink storage chamber is transformed in first ink storage chamber, to write black liquid by first ink storage chamber again and be supplied to tip of stylus, the phenomenon of leakage like this, very easily appears.The utility model has solved effectively that the black amount of depositing of writing implement can reach at double or several times ground improves, and cost and common writing implement are almost close, can prevent and avoid weeping effectively again simultaneously.

Description of drawings

Fig. 1 is the structure cross-sectional schematic of first kind of embodiment of the utility model.

Fig. 2 is the structure cross-sectional schematic after additional ink storage chamber moves among Fig. 1.

Fig. 3 is for showing the schematic diagram of writing black liquid in the structure of Fig. 1.

Fig. 4 has the schematic diagram of writing black liquid for showing to have only in the additional ink storage chamber in the structure of Fig. 2.

Fig. 5 is the structure cross-sectional schematic of second kind of embodiment.

Fig. 6 is the structure cross-sectional schematic of the third embodiment.

Fig. 7 is the structure cross-sectional schematic after additional ink storage chamber moves among Fig. 6.

Fig. 8 is the structure cross-sectional schematic of the 4th kind of embodiment.

Fig. 9 is the structure cross-sectional schematic of the 5th kind of embodiment.

Figure 10 is the structure cross-sectional schematic after additional ink storage chamber moves among Fig. 9.

Figure 11 is the structure cross-sectional schematic of the 6th kind of embodiment.

Among the figure:

1-tip of stylus 11-first draws the anti-device 13-ball 14-holder 15-that leaks of black liquid core 12-and contains the liquid core 16-first blow vent 17-second blow vent 2-first ink storage chamber 21; 22-adds ink storage chamber 23; 23 '-recess 24-liquid outlet 3-adapter sleeve 4; 4 '-Durchgangshohle device 41; 41 '-feedthrough 410; 410 '-scavenge duct 42; 42 '-the second draw black liquid core 421-draws black groove 5-overcoat 6-sealing ring 7-protective cover 8-and writes black liquid

The specific embodiment

Writing implement of the present utility model, it comprises: tip of stylus 1 commonly used, be used for to write black liquid and be coated in writing medium, first ink storage chamber 2, be used for writing black liquid to tip of stylus 1 supply, adapter sleeve 3, be used to connect the tip of stylus 1 and first ink storage chamber 2, described at least one movably additional ink storage chamber 21 that outside first ink storage chamber 2, is provided with, first ink storage chamber 2 equates or is close to be preferable selection with the capacity of one of them additional ink storage chamber 21, also be included in first ink storage chamber 2 outer or in be provided for writing in break-through and at least one additional ink storage chamber 21 of guiding at least one Durchgangshohle device 4 of black liquid, when be equipped with originally in first ink storage chamber 2 write black liquid and use up the time, at least one is equipped with the additional ink storage chamber 21 of writing black liquid as long as press (moving) successively, make one of them Durchgangshohle device 4 wear out one of them additional ink storage chamber 21, Durchgangshohle device 4 is connected hermetically with additional ink storage chamber 21 mutual close-fittings and phase, and by at least one the Durchgangshohle device 4 at least one additional ink storage chamber 21 the black liquid of writing that was equipped with originally at least one additional ink storage chamber 21 in turn is transported in the tip of stylus 1.This employing movably mode has been made liquid outlet by at least one Durchgangshohle device 4 at least one additional ink storage chamber 21 with at least one additional ink storage chamber 21, and by Durchgangshohle device 4 writing black liquid and can in turn guide at least one additional ink storage chamber 21 to tip of stylus 1, prevented the phenomenon of leakage of appearance between at least one additional ink storage chamber 21 or additional ink storage chamber 21 and first ink storage chamber 2 effectively, simultaneously, the phenomenon of leakage of also having avoided tip of stylus 1 to occur, and, the black amount of depositing of writing implement improves with can at double or becoming several times, having improved service life, is a kind of economy, safety and writing implement efficiently.

Below the Durchgangshohle device being arranged on the outer situation of first ink storage chamber illustrates:

Referring to Fig. 1, above first ink storage chamber 2, be provided with the additional ink storage chamber 21 of writing black liquid is housed, additional ink storage chamber 21 is a preferred structure for totally enclosed structure, like this, guaranteed that fundamentally additional ink storage chamber 21 can leakage when inactive state, and, can deposit for a long time also be difficult for air-dry.Be provided for writing in break-through and the additional ink storage chamber 21 of guiding the Durchgangshohle device 4 of black liquid at the top of first ink storage chamber 2, Durchgangshohle device 4 can comprise feedthrough 41 and be provided with second in the endoporus of feedthrough 41 and draws black liquid core 42, second draws black liquid core 42 has at least and partly is exposed at or exposes in the import of feedthrough 41, is convenient to the additional ink storage chamber 21 back guiding of feedthrough 41 break-through and writes black liquid.The bottom of additional ink storage chamber 21 is provided with recess 23, feedthrough 41 on first ink storage chamber 2 is inserted in the recess 23, and be connected hermetically mutually, thereby the top of first ink storage chamber 2 is closed, prevented first ink storage chamber 2 owing to there being second break-through of drawing black liquid core 42 phenomenon of leakage to occur, made first ink storage chamber 2 normally write black liquid to tip of stylus 1 supply.The face of recess 23 adopts and can back down and thin plastics are made, and is preferable selection when making the structure of one with additional ink storage chamber 21; The face of recess 23 also can adopt the seal that can back down.Referring to Fig. 1 and Fig. 2, second structure of drawing black liquid core 42 and feedthrough 41 mutual close-fittings is a preferred structure, has prevented that the black liquid of writing in the additional ink storage chamber 21 from writing black liquid from second cooperation place seepage to first ink storage chamber 2 of drawing black liquid core 42 and feedthrough 41.Second draws black liquid core 42 can adopt the material that has capillary attraction as the fiber core body that has the gap or felt core body or analog etc. to make, and second draws black liquid core 42 also can adopt and have the rectangular core body that draws black groove.Tip of stylus 1 can comprise that first draws black liquid core 11 and ball 13, can comprise that also first draws black liquid core 11 (referring to Fig. 5 and Fig. 6), also can be tip of stylus of split etc.Second draws black liquid core 42 and first draws black liquid core 11 and is connected, and referring to Fig. 1, second draws black liquid core 42 and first draws black liquid core 11 for making the structure of one, thereby guides into more unimpeded circuit is provided in the tip of stylus 1 for writing black liquid in the additional ink storage chamber 21.On the adapter sleeve 3 or first ink storage chamber 2, second blow vent 17 is set, is used for helping the air of first ink storage chamber 2 to discharge.

Also can be that additional ink storage chamber 21 is freestanding state, the top of freely leaving first ink storage chamber 2 in is in the shrinkage pool of tip of stylus rightabout extension, like this, can on Durchgangshohle device 4, closure be set, can prevent that first ink storage chamber 2 from the phenomenon of leakage being occurred by second break-through place of drawing 42 break-through of black liquid core, in addition, also in described recess 23, can be provided with sharp projection, when in the additional ink storage chamber 21 of needs write black liquid the time, can at first wear out described closure by sharp projection, then feedthrough 41 is worn out recess 23 and is made recess become liquid outlet 24 as described in Figure 1, thus make the black liquid of writing in the additional ink storage chamber 21 directly draw black liquid core 42 and first and draw black liquid core 11 and arrive in the tip of stylus 1 by second.Outside additional ink storage chamber 21, protective cover 7 can be set, be used for protecting additional ink storage chamber 21 and play thermal insulation.

Referring to Fig. 1 and Fig. 2, when be equipped with originally in first ink storage chamber 2 write black liquid and use up the time, can screw out and adopt screw thread to be connected or the protective cover 7 of socket mutually, then moving with handing down (pressing) adds ink storage chamber 21, make the feedthrough 41 on the Durchgangshohle device 4 wear out the recess 23 that adds on the ink storage chamber 21, feedthrough 41 can be made into the structure of inclined-plane or tip, purpose is to wear out recess 23 with comparalive ease, situation about being pried open referring to Fig. 2 center dant 23, make recess 23 become the liquid outlet 24 that adds in the ink storage chamber 21, behind the additional ink storage chamber 21 of feedthrough 41 break-through, feedthrough 41 enters in the additional ink storage chamber 21, feedthrough 41 is connected with additional ink storage chamber 21 mutual close-fittings and high-seal ground, drawing black liquid core 42 to second successfully sends in the additional ink storage chamber 21, make the black liquid of writing in the additional ink storage chamber 21 successfully enter second in the feedthrough 41 and draw in the black liquid core 42, fundamentally solved between additional ink storage chamber 21 or additional ink storage chamber 21 and first ink storage chamber 2 phenomenon of leakage of appearance easily; The structure that it also is mutual close-fitting that in feedthrough 41 and the feedthrough 41 second drawn black liquid core 42, prevented that also additional ink storage chamber 21 seepage in first ink storage chamber 2 from writing black liquid, thereby make the black liquid of writing in the additional ink storage chamber 21 pass through liquid outlet 24, second draws black liquid core 42 and formed integrally therewith first draws black liquid core 11 and directly causes in the tip of stylus 1, so just form the black liquid of writing that is equivalent in the additional ink storage chamber and first ink storage chamber and write black liquid by line of ink marker road direction tip of stylus 1 supply of drawing of oneself separately, be independent of each other, realized to make things convenient for and the purpose of Palingraphia repeatedly safely.On additional ink storage chamber 21 or Durchgangshohle device 4, scavenge duct 410 is set, preferred version is that scavenge duct 410 is arranged on the feedthrough 41 of Durchgangshohle device 4 or second draws on the black liquid core 42, when in the additional ink storage chamber 21 write black liquid writing in during minimizing, can air exchange be come in by scavenge duct 410, what cause being provided with in the Durchgangshohle device 4 in order to avoid produce negative pressure in the additional ink storage chamber 21 second draws black liquid core 42 and can't write black liquid to tip of stylus 1 guiding.It is preferable selection that scavenge duct 410 can adopt seam or groove.Referring to Fig. 2, second draws black liquid core 42 can be with overcoat 5 through one section of first ink storage chamber 2 from additional ink storage chamber 21, when the black liquid of writing in first ink storage chamber 2 runs out the back when producing cavity, because of the setting of overcoat 5 is arranged, writing when black liquid draws black liquid core 42 by second in the additional ink storage chamber 21 is difficult for by air-dry.First ink storage chamber and/or at least one additional ink storage chamber adopt plastics to make, and make processing convenient, and cost is lower.The structure of present embodiment also can be used as the refill in the writing implement.

Referring to Fig. 3, in first ink storage chamber 2 and additional ink storage chamber 21, respectively be equipped with and write black liquid 8, can improve writing time exponentially when the user is write, and avoid weeping effectively, be a kind of convenience, safety and writing implement efficiently.

Referring to Fig. 4, do not contain in first ink storage chamber 2 after the use and write black liquid, even when changed by temperature and/or atmospheric pressure, the air that expands in first ink storage chamber 2 can only be that second blow vent 17 is discharged in the writing implement, do not exist additional ink storage chamber 21 and tip of stylus 1 are produced pressure, that is to say and do not have leakage, and, air in the additional ink storage chamber 21 is when being changed by temperature and/or atmospheric pressure, because writing the capacity of black liquid in the additional ink storage chamber 21 can be equal or close with the capacity in the common writing implement, so also avoided weeping.

The anti-device 12 that leaks is set between first ink storage chamber 2 and tip of stylus 1, can prevent weeping relatively limitedly, the structure (referring to Fig. 1) that anti-leakage device 12 can adopt a plurality of grooves to form, also can adopt and contain liquid core 15, referring to Fig. 5, make as analogs such as the felt material that can produce capillary attraction (adsorption capacity) or fibrous materials, write black liquid on a small quantity and be squeezed out if having, containing liquid core 15 can temporarily be retained in the black liquid of writing that is forced out in the gap as fibrous material, do not allow be squeezed out write black liquid toward tip of stylus 1 direction seepage.Contain liquid core 15 as under the anti-situation of leaking device as employing, contain liquid core 15 and can be distributed in more in large area in first ink storage chamber 2, both can be used as the anti-device that leaks, can be used as holder again, the black liquid of writing in first ink storage chamber 2 is adsorbed on and contains in the liquid core 15 and storing.Can also be at the inlet that contains liquid core 15 and/or on every side and be provided with first blow vent 16 between first ink storage chamber 2, when containing liquid core 15 and changed by temperature and/or atmospheric pressure, can discharge the external of writing implement to the air that expands from first blow vent 16 with second blow vent 17 that adapter sleeve 3 is provided with, not contain the black liquid of writing that is adsorbing in the liquid core 15 and do not influence.Outside containing liquid core 15, be provided with overcoat 5, be convenient to fixing and installation contains liquid core 15.Present embodiment also can be used as the refill in the writing implement, also can be used as marking pen.Technical scheme and Fig. 1 of present embodiment are close, and its main distinction is the liquid core that contains with adsorption capacity to be set leak device as resisting in first ink storage chamber 2, has replaced adopting among Fig. 1 the composition of a plurality of grooves as anti-leakage device.

Referring to Fig. 6, above first ink storage chamber 2, be provided with the additional ink storage chamber 21 of writing black liquid is housed, additional ink storage chamber 21 is a preferred structure for totally enclosed structure, like this, guaranteed that fundamentally additional ink storage chamber 21 can leakage when inactive state, and, can deposit for a long time also be difficult for air-dry.Be provided for writing in break-through and the additional ink storage chamber 21 of guiding the Durchgangshohle device 4 of black liquid at the top of first ink storage chamber 2, Durchgangshohle device 4 can comprise feedthrough 41 and be provided with second in the endoporus of feedthrough 41 and draws black liquid core 42, second draws black liquid core 42 has at least and partly is exposed at or exposes in the import of feedthrough 41, is convenient to the additional ink storage chamber 21 back guiding of feedthrough 41 break-through and writes black liquid.Second draws black liquid core 42 can adopt and have the rectangular core body that draws black groove 421, present embodiment also in first ink storage chamber 2, acquire have an adsorption capacity contain liquid core 15, make the black liquid of writing in first ink storage chamber 2 be attracted to and contain in the liquid core 15, contain liquid core 15 and can adopt the material that has capillary attraction (adsorption capacity) as the fibrous material that has the gap or felt material or analog etc. to make.The second liquid core 15 that contains that draws in the black liquid core 42 and first ink storage chamber 2 is connected, tip of stylus 1 with contain liquid core 15 and be connected, first blow vent 16 is set containing between the liquid core 15 and first ink storage chamber 2, at first ink storage chamber 2 and/or second blow vent, 17, the second blow vents 17 are set on adapter sleeve 3 and first blow vent 16 is connected.In the feedthrough 41 of Durchgangshohle device 4, scavenge duct 410 is set; scavenge duct 410 also is connected with first blow vent 16; referring to Fig. 6 and Fig. 7; when contain in first ink storage chamber 2 that liquid core 15 adsorbing write black liquid and use up the time; can open protective cover 7; moving with handing down then (pressing) adds ink storage chamber 21; make the feedthrough 41 on the Durchgangshohle device 4 wear out the recess 23 that adds on the ink storage chamber 21; feedthrough 41 can be made into the structure of inclined-plane or tip; purpose is to wear out recess 23 with comparalive ease; situation about being pried open referring to Fig. 7 center dant 23; make recess 23 become the liquid outlet 24 that adds in the ink storage chamber 21; behind the additional ink storage chamber 21 of feedthrough 41 break-through; feedthrough 41 enters in the additional ink storage chamber 21; and close-fitting and phase are connected hermetically mutually; drawing black liquid core 42 to second successfully sends in the additional ink storage chamber 21; make the black liquid of writing in the additional ink storage chamber 21 successfully enter second in the feedthrough 41 and draw in the black liquid core 42; absorbed by containing liquid core 15 again; containing liquid core 15 obtains new write black liquid and be attached thereto first drawing black liquid core 11 and guide in the tip of stylus 1 of connecing; the seepage phenomenon appears in the junction when this structure has solved additional ink storage chamber 21 or additional ink storage chamber 21 and is connected with first ink storage chamber 2, has realized making things convenient for and the purpose of Palingraphia repeatedly safely.When changed by temperature and/or atmospheric pressure, first ink storage chamber 2 or contain liquid core 15 or additional ink storage chamber 21 in the air that expands just can be from scavenge duct 410, first blow vent 16 and second blow vent, 17 discharge writing implements external, do not exist tip of stylus 1 is produced pressure, avoided the phenomenon of leakage yet.The structure of present embodiment, the black liquid of writing that has been equivalent to form in the additional ink storage chamber and first ink storage chamber is write black liquid by line of ink marker road direction tip of stylus 1 supply of drawing of oneself separately, is independent of each other, and is a kind of economy, convenience, safety and writing implement efficiently.

Referring to Fig. 8, two removable and totally enclosed additional ink storage chambers 21 are set above first ink storage chamber 2,22, two Durchgangshohle devices are set at the top of first ink storage chamber 2, one of them Durchgangshohle device comprise feedthrough 41` and second draw black liquid core 42 ', second draws black liquid core 42 and 42 ' separately and first draws black liquid core 11 and is connected, when writing black liquid and use up in the additional ink storage chamber 21 as shown in Figure 1, only leave air in the additional ink storage chamber 21, when changed by temperature and/or atmospheric pressure, the air that expands can discharge from scavenge duct 410 and enter in first ink storage chamber 2 of cavity, then, second blow vent 17 from adapter sleeve 3 is discharged the external of writing implement, can not produce pressure to additional ink storage chamber 22, when in the additional ink storage chamber 22 of needs write black liquid the time, as long as press (promoting) additional ink storage chamber 22 downwards, just can make recess 23 ' and become liquid outlet by feedthrough 41 ' wear out, like this, can make the black liquid of writing in the additional ink storage chamber 22 draw black liquid core 42 ' and first draw black liquid core 11 and continue to write black liquid again to tip of stylus 1 supply by second, thereby make writing implement can reach repeatedly Palingraphia, the anti-performance of leaking is good, and has prolonged service life widely.In feedthrough 41 ' inboard scavenge duct 410` can be set, can improve second draw black liquid core 42 ' draw black ability.

The situation that the Durchgangshohle device is arranged in first ink storage chamber illustrates below:

Referring to Fig. 9, be equipped with and write black liquid and totally enclosed additional ink storage chamber 21 is arranged on the top that first ink storage chamber 2 of writing black liquid is housed, when inactive state, the seepage phenomenon can not occur thereby fundamentally solved additional ink storage chamber 21, and deposit for a long time to be difficult for reducing yet and write black liquid.Additional ink storage chamber 21 can be installed in first ink storage chamber 2 along on the tube wall of the longitudinal direction extension of writing implement, between first ink storage chamber 2 and additional ink storage chamber 21, sealing ring 6 is set, sealing ring 6 can be installed on the additional ink storage chamber 21, thereby the top of first ink storage chamber 2 is closed, prevented that the phenomenon of leakage from appearring in first ink storage chamber 2, made first ink storage chamber 2 normally write black liquid to tip of stylus 1 supply.The anti-device 12 that leaks is set between the tip of stylus 1 and first ink storage chamber 2, is used for to prevent the phenomenon of leakage relatively limitedly.Durchgangshohle device 4 is arranged in first ink storage chamber 2, and preferred version is arranged on the bottom of first ink storage chamber 2, and the feedthrough 4 in first ink storage chamber 2 can be fixed on anti-the leakage on the device 12.The bottom of additional ink storage chamber 21 is provided with recess 23, and is provided with accordingly with Durchgangshohle device 4 in first ink storage chamber 2.Durchgangshohle device 4 can comprise feedthrough 41 and in the endoporus of feedthrough 41, be provided with second draw black liquid core 42, the second and draw black liquid core 42 and have at least and partly be exposed at or expose in the import of feedthrough 41, be convenient to the additional ink storage chamber 21 back guiding of break-through and write black liquid.More unimpeded in order to make easy to process and guiding write black liquid, second draws black liquid core 42 and first draws the structure that black liquid core 11 can be made one.

Referring to Fig. 9; when writing black liquid and use up in first ink storage chamber 2, only leave air in first ink storage chamber 2; screw out or open protective cover 7; press (promoting) additional ink storage chamber 21 then downwards; make in second blow vent 17 of air from the adapter sleeve 3 or first ink storage chamber 2 in first ink storage chamber 2 and discharge; make the feedthrough 41 on the Durchgangshohle device 4 wear out the recess 23 that adds in the ink storage chamber 21; feedthrough 41 can be made into the structure of inclined-plane or tip; purpose is to wear out recess 23 with comparalive ease; situation about being pried open referring to Figure 10 center dant 23; make recess 23 become the liquid outlet 24 that adds in the ink storage chamber 21; at this moment; additional ink storage chamber 21 is installed in first ink storage chamber 2; sealing ring 6 on the additional ink storage chamber 21 seals mutually with the inwall of first ink storage chamber 2; thereby the joint of having guaranteed the additional ink storage chamber 21 and first ink storage chamber 2 the phenomenon of leakage can not occur; the sealing structure effect of this employing sidewall sealing is very good; make the black liquid of writing in the additional ink storage chamber 21 waltz through liquid outlet 24; second draws black liquid core 42 and formed integrally therewith first draws black liquid core 11 and arrives in the tip of stylus 1; so just form the black liquid of writing that is equivalent in the additional ink storage chamber and first ink storage chamber and write black liquid by line of ink marker road direction tip of stylus 1 supply of drawing of oneself separately; be independent of each other; thereby having realized the repeatedly purpose of Palingraphia, is a kind of economy; convenient; safety and writing implement efficiently.Scavenge duct 410 is set on feedthrough 41, can have improved second and draw black ability of drawing of black liquid core 42.The face of recess 23 adopts and can back down and thin plastics, and with structure that additional ink storage chamber 21 is made one be preferable selection; The face of recess 23 also can adopt the seal that can back down.

Referring to Figure 11, also can between the tip of stylus 1 and first ink storage chamber 2, holder 14 be set, holder 14 can be made integrative-structure with the adapter sleeve 3 or first ink storage chamber 2, Durchgangshohle device 4 can be arranged on the holder 14, can improve the intensity and the stability of Durchgangshohle device 4, its technical scheme and Fig. 9 are close.

Can also in additional ink storage chamber, ball be set, when in the additional ink storage chamber of needs write black liquid the time, can be by the drive of ball, help to write black liquid and draw black liquid core and be connected with second soon.

Though below in conjunction with the embodiments the utility model has been made detailed description, but those of ordinary skill obviously can be recognized in the art, previous embodiment only is for the utility model is described, and non-limiting the utility model, in design scope of the present utility model, can also make multiple variation or modification to previous embodiment, such as: more laborsaving when writing in order to make the user, can be in the process of producing writing implement, behind additional ink storage chamber 21 reeve Durchgangshohle devices 4, moving additional ink storage chamber 21 in advance makes Durchgangshohle device 4 wear out additional ink storage chamber 21, make in the additional ink storage chamber 21 write black liquid directly and Durchgangshohle device 4 be connected, perhaps, behind additional ink storage chamber 21 reeve Durchgangshohle devices 4, the black liquid of writing in the additional ink storage chamber 21 directly is connected with Durchgangshohle device 4, referring to Fig. 2, like this, the black liquid of writing that has just formed in first ink storage chamber 2 not only draws black liquid core 11 by first and is connected with tip of stylus 1, and, the black liquid of writing in the additional ink storage chamber 21 also draws black liquid core 42 and first by second on the Durchgangshohle device 4 and draws black liquid core 11 and be connected with tip of stylus 1, like this, the writing implement that the user takes becomes the writing implement of full-automatic and high power capacity, saved as the state among Fig. 1, when needs are write, naturally be at first to write black liquid to tip of stylus 1 supply near the black liquid of writing in first ink storage chamber 2 of tip of stylus 1, and additional ink storage chamber 21 is to seal mutually with the joint of Durchgangshohle device 4, and, it also is mutual close-fitting that feedthrough 41 in the Durchgangshohle device 4 and second is drawn black liquid core 42, has fundamentally solved the phenomenon of leakage that occurs easily between additional ink storage chamber 21 or additional ink storage chamber 21 and first ink storage chamber 2; Prevented that also additional ink storage chamber 21 seepage in first ink storage chamber 2 from writing black liquid; So writing black liquid and can not influence first ink storage chamber 2 and normally provide to tip of stylus 1 and write black liquid in the additional ink storage chamber 21; and; when writing black liquid and use up in first ink storage chamber 2; the black liquid of writing in the additional ink storage chamber 21 just then automatically draws black liquid core 42 and first by second and draws black liquid core 11 and write black liquid to tip of stylus 1 supply; so just form the black liquid of writing that is equivalent in the additional ink storage chamber and first ink storage chamber and write black liquid by line of ink marker road direction tip of stylus 1 supply of drawing of oneself separately; be independent of each other; thereby make the user economize the process that moves additional ink storage chamber and reach can be repeatedly the purpose that write of safety continuously; these variations or modification all are to belong in the design scope of the present utility model, should belong to the protection domain of this patent.

Claims (26)

1, a kind of writing implement, it comprises: tip of stylus commonly used, be used for to write black liquid and be coated in writing medium, first ink storage chamber, be used for writing black liquid, adapter sleeve to the tip of stylus supply, be used to connect the tip of stylus and first ink storage chamber, it is characterized in that: described at least one movably additional ink storage chamber that outside first ink storage chamber, is provided with; Also comprise described outside first ink storage chamber or at least one be set be used for break-through and at least one additional ink storage chamber of guiding is write the Durchgangshohle device of black liquid.

2, writing implement according to claim 1 is characterized in that: described at least one additional ink storage chamber is totally enclosed structure.

3, writing implement according to claim 1 is characterized in that: described at least one additional ink storage chamber is arranged on the top of first ink storage chamber.

4, writing implement according to claim 3 is characterized in that: described additional ink storage chamber has at least part to be arranged on described first ink storage chamber along on the tube wall of the longitudinal direction extension of writing implement.

5, writing implement according to claim 3 is characterized in that: between described first ink storage chamber and the additional ink storage chamber sealing ring is set.

6, writing implement according to claim 1 is characterized in that: the structure that moves down on mobile the serving as reasons of described at least one additional ink storage chamber.

7, writing implement according to claim 1 is characterized in that: described Durchgangshohle device is arranged on the top of first ink storage chamber.

8, writing implement according to claim 7 is characterized in that: described Durchgangshohle device is arranged on the top of first ink storage chamber.

9, writing implement according to claim 1 is characterized in that: described Durchgangshohle device is arranged in first ink storage chamber.

10, writing implement according to claim 9 is characterized in that: described Durchgangshohle device is arranged on the interior bottom of first ink storage chamber.

11, writing implement according to claim 1 is characterized in that: describedly on additional ink storage chamber or Durchgangshohle device scavenge duct is set.

12, writing implement according to claim 1 is characterized in that: the described setting between first ink storage chamber and tip of stylus resists the leakage device.

13, writing implement according to claim 1 is characterized in that: described in first ink storage chamber, be provided with have an adsorption capacity contain the liquid core.

14, writing implement according to claim 13 is characterized in that: be provided with first blow vent described containing between the liquid core and first ink storage chamber.

15, writing implement according to claim 14 is characterized in that: described second blow vent that is provided with on first ink storage chamber and/or adapter sleeve, described second blow vent is connected with described first blow vent.

16, according to one of any described writing implement in the claim 1 to 15, it is characterized in that: described Durchgangshohle device comprises that feedthrough and second draws black liquid core, described second draws black liquid core is arranged in the feedthrough, and has at least and partly be exposed at or expose in the import of feedthrough.

17, writing implement according to claim 16 is characterized in that: described second to draw black liquid core be felt core body or the fiber core body with capillary attraction.

18, writing implement according to claim 16 is characterized in that: described second draws black liquid core and described feedthrough is the structure of mutual close-fitting.

19, writing implement according to claim 16 is characterized in that: described second to draw black liquid core be to have the rectangular core body that draws black groove.

20, writing implement according to claim 16 is characterized in that: described tip of stylus comprises that first draws black liquid core or comprise that first draws black liquid core and ball.

21, writing implement according to claim 20 is characterized in that: described second draws first in black liquid core and the tip of stylus draws black liquid core and is connected.

22, writing implement according to claim 16 is characterized in that: described scavenge duct is arranged on the feedthrough.

23, writing implement according to claim 16 is characterized in that: described have second drawing black liquid core overcoat is set partly at least outward.

24, writing implement according to claim 16 is characterized in that: the bottom of described at least one additional ink storage chamber is provided with recess, and the feedthrough of described first ink storage chamber top is inserted in the described recess, and can be connected hermetically mutually.

25, writing implement according to claim 16 is characterized in that: the bottom of described additional ink storage chamber is provided with recess, and is provided with accordingly with Durchgangshohle device in described first ink storage chamber.

26, according to one of any described writing implement in the claim 1 to 15, it is characterized in that: described at least one additional ink storage chamber is provided with protective cover outward.

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