CN2744517Y

CN2744517Y - Marking instrument

Info

Publication number: CN2744517Y
Application number: CNU2004200376721U
Authority: CN
Inventors: 王良
Original assignee: Individual
Current assignee: Individual
Priority date: 2004-07-16
Filing date: 2004-07-16
Publication date: 2005-12-07
Anticipated expiration: 2014-07-16
Also published as: WO2006007775A1

Abstract

The utility model relates to a marking instrument, comprising a liquid core having a gap for absorbing and supplying marked liquid, and the liquid core adopts fibrous materials in preference. Also, a coat can be warped around the liquid core having a gap to coat the marked liquid onto the surface of a nib. At least one reservoir is arranged above the liquid core having a gap, and the reservoir, provided with a liquid feeding device, is provided with a liquid feeding outlet supplying the marked liquid to the liquid core having a gap. The structure can make the liquid core of the marking instrument to supply the marked liquid for at least one time or more than one time, therefore the marking instrument is capable of multiple reuses. Simultaneously, the marking instrument having a simple and reasonable structure and low cost, can effectively prevent and avoid leakage and extend service life.

Description

Marking tool

Technical field

The utility model relates to a kind of marking tool, and wherein marking fluid is delivered to marker nib from the liquid core that contains that has the gap.

Background technology

Adopting liquid material on the existing market is the marking tool of writing, and generally can be divided into two big classes: a class is characterized in that for the marking tool of storing marking liquid in plenum chamber storage capacity is relatively large, but often is easy to generate the phenomenon of leakage; Another kind of for having the marking tool that is adsorbing marking fluid in the liquid spare that contains in gap, be characterized in that the anti-performance of leaking is good, but storage capacity is too little, service time is shorter.For having the containing for the marking tool that is adsorbing marking fluid in the liquid core of gap, major part be adopt fibrous material contain liquid core or felt contain liquid core or analog etc., marking fluid has containing in the gap between the liquid core of gap owing to the effect of capillary attraction enters and remains on, then, what have the gap contains the liquid core to supplying with marking fluid with the marker nib that the liquid core joins that contains that has the gap, but, the fountain pen that this class is used always is owing to the adsorption capacity that contains liquid core itself that wherein has the gap limits, therefore, it is less having containing of gap mark liquid measure stored in the liquid core, still just be abandoned as new tense marker instrument in other structures that use up of short period because of marking fluid often, if give the storage that the liquid core increases marking fluid that contains that has the gap in this class marking tool, the liquid core that contains that the marking fluid of increase part so then can't be had the gap receives effectively, often causes this pen to be very easy to leak marking fluid.

Summary of the invention

The purpose of this utility model is the defective that addresses the above problem, provide a kind of can be to containing at least once or once marking tool of above ground supplemental markers liquid of liquid core such as what adopt that fibrous material etc. has a gap, thereby reach the effect that marking tool can be repeatedly used, simultaneously can prevent and avoid weeping effectively again, it is simple and reasonable for structure, cost is low, and is at double or above at double raising the service life of this marking tool.Therefore, the utility model provide a kind of purpose of marking tool be achieved in that it comprise one be used to receive the supply marking fluid have a gap contain the liquid core, also can be provided with an overcoat and be enclosed in the periphery that contains the liquid core that has the gap, one is used for marking fluid is coated onto lip-deep marker nib, have the gap contain that the liquid core is connected with marker nib and to marker nib supply marking fluid, have containing the liquid core and generally can adopting and contain the stronger fibrous material of liquid ability and be made for preferable selection of gap, also can adopt felt material to make, the bakelite material that also can adopt the plastics that have more groove to make or have a plurality of grooves is made etc., have the gap contain the liquid core above be provided with at least one reservoir, on reservoir, be provided with to the feed flow outlet that contains liquid core supply marking fluid that has the gap, on reservoir, be provided with liquid feed device.Like this, when have the gap contain in the liquid core that marking fluid reduces or when using up, start liquid feed device, marking fluid on the reservoir is discharged from the feed flow outlet, enter then and have the containing in the liquid core of gap, the new marking fluid that replenishes is attracted in the gap that contains the liquid core, thereby makes this marking tool can reach the purpose that is repeatedly used.In addition, when marker nib is used to can't fluid the time, contain the liquid core in fact because the effect of capillary attraction or less gap gravitation also contains (reservation) a certain amount of marking fluid, so, give for the second time and contain that liquid core supplemental markers liquid can reduce liquid measure and the writing time that can reach original marking fluid, saved marking fluid widely, thereby reached writing time that is equivalent to more than two or two of marking tool of the present utility model, and cost is not seen obvious raising.

Further, for the marking fluid that reaches in the reservoir adds to the better effect in the liquid core that contains that has the gap, be difficult for water clock with the marking fluid that contains in the liquid core that has the gap, can and have containing between the liquid core and/or have and containing in the liquid core of gap blow vent being set of gap at reservoir, on the housing periphery of described instrument, be provided with second blow vent that communicates with blow vent, purpose be from the marking fluid that the outlet of the feed flow of reservoir is discharged enter have the gap contain the liquid core time, can be and the phenomenon that causes water clock to having that the part air that exists in the liquid core containing of gap and/or marking fluid produce pressure, and allow the liquid wicking that contains that has the gap receive marking fluid naturally, when having the containing the liquid wicking and receive marking fluid of gap, the air that contains in the liquid core that has the gap just can be discharged from above-mentioned blow vent, and then second blow vent from the housing periphery is discharged the external of marking tool.

Another purpose is to have marking fluid containing of gap in the liquid core originally when having, when temperature and/or change of atmospheric pressure, setting up of second above-mentioned blow vent and blow vent can make the air that expands or compress discharge at last from second blow vent, and can the marking fluid that contains in the liquid core that have the gap not produced pressure and the dropping liquid phenomenon occur, can prevent that also the marking fluid in the marker nib from being rewinded gapped containing in the liquid core by back suction.

Another is at purpose, the liquid feed device that is provided with when above-mentioned reservoir is when adopting squeezable flexible pipe, use the hand squeezing tube, marking fluid in the reservoir is discharged and the liquid wicking that contains that had a gap is received from feed flow outlet, simultaneously, the part air that is forced out in the flexible pipe can discharge and can the liquid core that contains that have the gap do not produced pressure and cause weeping from the above-mentioned blow vent and second blow vent; When openhanded opening, flexible pipe restores again and sucks air, can make the second blow vent resorption of air from the housing, again through reservoir and have the blow vent resorption between the liquid core of containing in gap, that has avoided having the gap contains marking fluid in the liquid core by the danger of suck-back.

Further again, the overcoat that contains the liquid core that has the gap is along the top longitudinal extension that contains the liquid core that has the gap, or sleeve pipe is set at the top that contains the liquid core, make to have and form plenum chamber containing between liquid core and the reservoir of gap, like this, can allow the marking fluid of discharging temporarily stop at above-mentioned plenum chamber from the feed flow outlet, naturally allow the liquid wicking that contains that has the gap receive then, avoided the marking fluid of discharging from the feed flow outlet often owing to flow velocity too urgent or moment flow too much cause the liquid core that contains that has the gap to have little time to absorb the phenomenon that leaks outside.

Reservoir can comprise flexible pipe and base, described liquid feed device is squeezable flexible pipe, marking fluid is housed in flexible pipe, on the base of reservoir, have feed flow outlet, when having the containing marking fluid in the liquid core and reduce of gap or when using up, use the hand squeezing tube, make the marking fluid in the flexible pipe export discharge through feed flow, add to then and have the containing in the liquid core of gap, make the marking fluid of new injection be attracted to the gap that contains the liquid core, thereby reach the effect that this marking tool can be repeatedly used.

Described liquid feed device is squeezable flexible pipe, the outlet of wherein feed flow can have multiple variation, such as: the feed flow outlet on the reservoir can be an aperture, whenever needs give have the gap contain liquid core supplemental markers liquid the time, as long as use the hand squeezing tube, marking fluid is discharged from aperture.Also can in above-mentioned aperture, put and stop up cream or analog, deposit long tense marker liquid and be evaporated, when with the hand squeezing tube, the obstruction cream in the aperture is opened by crowded, thereby marking fluid is discharged to prevent this pen.

Also can place type of tamper evidence in feed flow outlet, as one of them measure of protection marking fluid, when having the containing the liquid core and need supplemental markers liquid of gap, the type of tamper evidence that feed flow is exported with the hand squeezing tube comes off, thereby makes the marking fluid discharge.Also can have the gap contain the liquid core above two reservoirs are set, also can in the feed flow outlet of second reservoir, place type of tamper evidence or stop up cream, when the marking fluid in first reservoir uses up, can select for use second marking fluid in the reservoir to give to lack marking fluid and have a gap contain liquid core supplemental markers liquid.

Also can be provided with three or four reservoirs on the liquid core containing, can prolong the service life of marking tool widely.

Also can add upper reset spring in the type of tamper evidence in the feed flow outlet, in needing flexible pipe the marking fluid of part replenish to give have the gap contain the liquid core time, as long as make marking fluid push marking fluid discharge after the type of tamper evidence open with the hand squeezing tube, when unclamping flexible pipe, because the Hui Li of back-moving spring, make type of tamper evidence seal the feed flow outlet again, can repeatedly give the purpose that the liquid core adds marking fluid that contains that has the gap thereby reach.

Feed flow outlet on the reservoir can be for closing sealing, closing sealing can make marking fluid be difficult for evaporation, when needs give have the gap contain liquid core supplemental markers liquid the time, as long as use the hand squeezing tube, the flexible pipe that is extruded makes marking fluid produce thrust, thereby the feed flow outlet (closing sealing) of closing seam is earned out, marking fluid is discharged, this structure also is fairly simple.

Described liquid feed device comprises the closure member that is arranged in the feed flow outlet, with the switching device that joins with closure member, described feed flow outlet is arranged on the bottom of reservoir, the cavity of described reservoir can adopt hose material to make, closure member is sealed in the feed flow outlet, marking fluid is housed in the reservoir, when have the gap contain that marking fluid in the liquid core reduces or when using up, with hand when the top of flexible pipe is pushed downwards, thereby press above-mentioned switching device indirectly, thereby closure member is opened, marking fluid in the reservoir is discharged from the feed flow outlet, add to then and have the containing in the liquid core of gap, the new marking fluid that replenishes is attracted in the gap that contains the liquid core, thereby reaches the effect that this marking tool can be repeatedly used.

Liquid feed device on the reservoir comprises the closure member that is arranged in the feed flow outlet, with the switching device that joins with closure member, liquid feed device can also have multiple variation with the structure of relevant cooperation, such as: the top at reservoir has air inlet, the part of the switching device other end is made flange, described flange seals mutually with air inlet on the reservoir, closure member and feed flow outlet sealing mutually, marking fluid is housed in the reservoir, when with the switching device on the subordinate pressure reservoir top, flange on the switching device moves on air inlet, air inlet is communicated with air, and simultaneously, closure member also moves in the feed flow outlet, like this, the marking fluid in the reservoir just can from feed flow outlet discharge and be had a gap contain liquid wicking receipts.Because liquid feed device makes air inlet communicate with air after sliding, simultaneously, closure member is also opened in the feed flow outlet, like this, the liquid core that contains that has the gap is communicated with air inlet on the reservoir, have containing marking fluid new in the liquid core and can not being subjected to temperature and/or atmospheric variation and causing weeping of gap thereby also make.

Also can be that the switching device that joins with closure member in the liquid feed device passes and has containing the liquid core and extending to marker nib of gap, the housing of the described relatively instrument of marker nib can endwisely slip, marking fluid on needing reservoir flow to have the gap contain the liquid core time, marker nib is more than the dynamics of normally writing toward the surface of writing firmly to press down, marker nib is slided towards the direction of reservoir, thereby the switching device on the drive marker nib makes closure member open in the feed flow outlet, thereby the marking fluid in the reservoir is flowed out, when marker nib is left writing surface, be arranged on the back-moving spring resilience on the closure member or on the switching device and marker nib is resetted.Present embodiment is under the situation of normal usage flag nib, and marker nib can not stretched, and that is to say when normally writing, and the closure member that is enclosed in the feed flow outlet can not opened.

Also can be provided with port at the top of reservoir, the other end of switching device passes described port, and seal mutually with port, when needs give have the gap contain liquid core supplemental markers liquid the time, as long as the other end with hand Push switch device moves closure member, just can open the feed flow outlet on the reservoir, thereby what marking fluid on the reservoir is flowed to have the gap contains the liquid core, this structure, generally be that the feed flow outlet is slightly bigger for preferable, marking fluid can be flowed out from the feed flow outlet of reservoir swimmingly.

Also can be provided with port at the top of reservoir, the other end of switching device passes port and seals mutually with port, switching device can be made hollow tubular structure, the side of hollow switching device is provided with horizontal through hole, horizontal through hole is closed on the port, when using the other end of hand Push switch device, the feed flow that closure member is opened on the reservoir exports, simultaneously, horizontal through hole in the hollow switching device leaves port and communicates with reservoir, air is entered the reservoir from the hollow horizontal through hole of flowing through of switching device again, thereby the marking fluid in the reservoir is flowed out from the feed flow outlet.Also can on closure member or switching device, back-moving spring be set, when openhanded when driving switching device, because the resilience of back-moving spring, make closure member seal feed flow outlet on the reservoir again.In order to increase the sealing effectiveness of the above-mentioned port and the switching device other end, can on port, set up two sealing rings, the horizontal through hole of above-mentioned hollow switching device is arranged between two seals.

Also can be provided with air inlet at the top of reservoir, the other end of switching device passes air inlet, and there is part to expose air inlet and be convenient to press, also be included in and be connected to second closure member on the switching device, on second closure member, also be provided with back-moving spring, second closure member is sealed the air inlet at reservoir top because of the effect of back-moving spring, when using the other end of hand Push switch device, outlet of feed flow on the reservoir and air inlet are opened simultaneously, thus make in the reservoir marking fluid successfully from the feed flow outlet discharge and had a gap contain liquid wicking receipts.

Also can be provided with air inlet at the top of reservoir, second closure member is set on air inlet, second closure member is connected with the other end of switching device, second closure member seals mutually with the air inlet at reservoir top, also can be second closure member is made helicitic texture and to be spun on the air inlet, when opening (or back-out) second closure member, outlet of feed flow on the reservoir and air inlet are opened simultaneously, thus make in the reservoir marking fluid from the feed flow outlet discharge and successfully had a gap contain liquid wicking receipts.

Marking tool of the present utility model also can be contained in the pen container and use, and also can be used as the replacement core in the pen container.

Marker nib described in the utility model can be selected the marker nib that is generally used for writing down arbitrarily for use, such as: marker nib can be the diversion core, such as felt nib, fiber nib or analog; The overcoat that also can comprise diversion core and diversion core; Marker nib also can comprise diversion core, ball and ball cover; Also can comprise the metalwork of diversion core and split etc.

Structure of the present utility model can make and contain at least once or once above ground supplemental markers liquid of liquid core in the marking tool, thereby reaching this marking tool can be repeatedly used, simultaneously, can prevent and avoid weeping effectively again, it is simple and reasonable for structure, cost is low, has improved the service life of marking tool widely.

Description of drawings

Fig. 1 is the structure for amplifying cutaway view of first kind of embodiment of the present utility model.

Fig. 2 is the structure for amplifying cutaway view of second kind of embodiment of the present utility model.

Fig. 3 is the structure for amplifying cutaway view of the third embodiment of the present utility model, wherein shows to contain the liquid core and be provided with two reservoirs.

Fig. 4 is the structure for amplifying cutaway view of the 4th kind of embodiment of the present utility model.

Fig. 5 is the structure for amplifying cutaway view of the 5th kind of embodiment of the present utility model.

Fig. 6 is the structure for amplifying cutaway view of the 6th kind of embodiment of the present utility model.

Fig. 7 is the structure for amplifying cutaway view of the 7th kind of embodiment of the present utility model.

Fig. 8 is the structural representation in liquid feed device when work among Fig. 7.

Fig. 9 is the structure for amplifying cutaway view of the 8th kind of embodiment of the present utility model.

Figure 10 is the structure for amplifying cutaway view of the 9th kind of embodiment of the present utility model.

Figure 11 is the structure for amplifying cutaway view of the of the present utility model ten kind of embodiment.

Figure 12 is the structure for amplifying cutaway view of the 11 kind of embodiment of the present utility model.

Figure 13 is the structure for amplifying cutaway view of the 12 kind of embodiment of the present utility model.

Figure 14 is the air flow schematic diagram of blow vent among Figure 13.

Figure 15 replaces core and is contained in structure for amplifying schematic diagram in the pen container for marking tool of the present utility model can be used as.

Among the figure:

1-housing 10,10 '-the second blow vents 2,2 '-have a top 22 that liquid core 21-contains the liquid core that contains in gap, 22 '-metalwork 4 of the overcoat 33-ball 34-ball of blow vent 23-plenum chamber 24-overcoat 25-sleeve pipe 3-marker nib 31-diversion core 32-diversion core cover 35-split, 4 '-reservoir 41,41 '-flexible pipe 42,42 '-base 43,43 '-feed flow outlet 430-second feed flow outlet 431-closes sealing 44-and stops up cream 45-type of tamper evidence 46-cover part 47,47 '-the horizontal through hole 6 of sealing ring 48-port 49-air inlet 5-liquid feed device 51-closure member 52-switching device 521-flange 522-, 6 '-the second closure member 7-back-moving spring 71-spring base 8-pen container 9-caps for brush

The specific embodiment

Described marking tool, for example one contains water-color paintbrush, referring to Fig. 1, comprise have one be used to receive the supply marking fluid and have a gap contain liquid core 2, marking fluid in during pen can be ink commonly used, also can be provided with an overcoat 24 and be enclosed in the periphery that contains liquid core 2 that has the gap, one is used for marking fluid is coated onto lip-deep marker nib 3, marker nib 3 can comprise diversion core 31, ball 33 and ball cover 34, one is used to surround the housing 1 that contains liquid core 2 and marker nib 3 that has the gap, have the gap contain that liquid core 2 is connected with marker nib 3 and to marker nib 3 supply marking fluids, have containing liquid core 2 and generally can adopting and contain the stronger fibrous material of liquid ability and be made for preferable selection of gap, also can adopt felt material to make, the bakelite material that also can adopt the plastics that have more groove to make or have a plurality of grooves is made etc., have the gap contain liquid core 2 above be provided with at least one reservoir 4, on reservoir 4, be provided with to the feed flow outlet 43 that contains liquid core 2 supply marking fluids that has the gap, feed flow outlet 43 can be an aperture, is provided with liquid feed device 5 on reservoir 4.When liquid feed device 5 work, just can make in the reservoir 4 marking fluid by feed flow export 43 flow to have a gap contain liquid core 2, make the marking fluid of new injection be attracted to the gap that contains liquid core 2.The reservoir 4 of present embodiment can comprise flexible pipe 41 and base 42, and feed flow outlet 43 is arranged on the base 42.The liquid feed device 5 of present embodiment is squeezable flexible pipe 41, like this, contain when what have a gap that marking fluid in the liquid core 2 reduces or extruding liquid feed device 5 (flexible pipe) when using up, just can make the marking fluid on the reservoir 4 discharge and enter and have the containing the liquid core 2 of gap from feed flow outlet 43, make originally have the containing the marking fluid that adheres on the liquid core 2 and use up of gap after, the marking fluid that obtains on the reservoir 4 refills, new marking fluid is attracted in the gap that contains liquid core 2 once more, thereby make this marking tool can reach the purpose that is repeatedly used, prolonged the service life of marking tool, simultaneously, also prevent and avoided the weeping of marking tool effectively.Can be provided with cover part 46 at flexible pipe 41 peripheries, under flexible pipe 41 inoperative situations, play protection flexible pipe 41, when having the containing liquid core 2 and need supplemental markers liquid of gap, earlier cover part 46 be taken off, make flexible pipe 41 be exposed to the outside and be convenient to push.

For the marking fluid that reaches in the reservoir 4 adds to the better effect in the liquid core 2 that contains that has the gap, be difficult for water clock with the marking fluid that contains in the liquid core 2 that has the gap, can and have at reservoir 4 blow vent 22 is set between the liquid core 2 containing of gap, on housing 1 periphery of described instrument, be provided with second blow vent 10 that communicates with blow vent 22, purpose be from the marking fluids that the feed flow of reservoir 4 outlet 43 is discharged enter have the gap contain liquid core 2 time, can be and the phenomenon that causes water clock to having that the part air that exists containing in the liquid core 2 of gap and/or marking fluid produce pressure, and allow the liquid core 2 that contains that has the gap absorb marking fluid naturally, when having the containing liquid core 2 and absorb marking fluids of gap, the air that contains in the liquid core 2 that has the gap just can be discharged from above-mentioned blow vent 22, and then second blow vent 10 from housing 1 periphery is discharged the external of marking tool.

In addition, when temperature and/or change of atmospheric pressure, setting up of second above-mentioned blow vent 10 and blow vent 22 can make the air that expands or compress discharge at last from second blow vent 10, and can the marking fluid that contains in the liquid core 2 that have the gap not produced pressure and the dropping liquid phenomenon occur, can prevent that also the marking fluid in the marker nib 3 from being rewinded gapped containing in the liquid core 2 by back suction.

When using hand squeezing tube 41, marking fluid in the reservoir 4 is discharged and the liquid core 2 that contains that had a gap receives from feed flow outlet 43, simultaneously, the part air that is forced out in the flexible pipe 41 can discharge and can the liquid core 2 that contains that have the gap do not produced pressure and cause weeping from the above-mentioned blow vent 22 and second blow vent 10; Also can be behind the flexible pipe 41 that pushes with hand in the reservoir 4, during openhanded opening, flexible pipe 41 resilience again restores and the suction air, can make second blow vent 10 resorptions of air from the housing 1, suck back in the reservoir 4 through reservoir 4 and the blow vent 22 that contains between the liquid core 2 that has a gap, that has avoided having the gap contains marking fluid in the liquid core 2 by the danger of suck-back again.

Overcoat 24 is along the top that contains liquid core 2 21 longitudinal extensions that have the gap, make to have and form plenum chamber 23 containing of gap between liquid core 2 and the reservoir 4, like this, can allow the marking fluid of discharging temporarily stop at above-mentioned plenum chamber 23 from feed flow outlet 43, naturally allow the liquid core 2 of containing that has the gap absorb then, avoided the marking fluids of discharging from feed flow outlet 43 often owing to flow velocity too urgent or moment flow too much cause the liquid core 2 that contains that has the gap to have little time to absorb the phenomenon that leaks outside.

Reservoir 4 comprises flexible pipe 41 and base 42, and liquid feed device 5 is squeezable flexible pipe 41, and feed flow outlet 43 wherein can have multiple variation, such as:

Referring to Fig. 2, feed flow outlet 43 on the reservoir 4 can be an aperture, also can export to place on 43 and stop up cream 44 or type of tamper evidence 45 at feed flow, deposit long tense marker liquid and be evaporated to prevent this pen, when having the containing liquid core 2 and need supplemental markers liquid of gap, obstruction cream 44 in the feed flow outlet 43 is squeezed open or type of tamper evidence 45 comes off with hand squeezing tube 41, thereby marking fluid is discharged.

Referring to Fig. 3, also can have the gap contain liquid core 2 above be provided with two reservoirs 4,4 ', two reservoirs 4,4 ' can adopt, two flexible pipes 41,41 ' as liquid feed device, also can second reservoir 4 ' feed flow outlet 43 ' on place and stop up cream 44 or type of tamper evidence 45, when the marking fluid in first reservoir 4 uses up, can select for use second reservoir 4 ' in marking fluid give lack marking fluid contain liquid core 2 supplemental markers liquid.In two feed flows outlet 43,43 ' be provided with second feed flow outlet 430 between the liquid core 2 with containing, contain liquid core 2 and can not leak outside to guarantee successfully to enter from the marking fluid of feed flow outlet 43 or 43 ' discharge.Marker nib 3 can be diversion core 31.

Referring to Fig. 4, also can add upper reset spring 7 in the type of tamper evidence 45 that feed flow exports on 43, in feed flow outlet 43, spring base 71 is set, be used for fixing back-moving spring 7, in needing flexible pipe 41 marking fluid of part replenish to give have the gap contain liquid core 2 time, as long as making marking fluid push type of tamper evidence 45 back marking fluids open with hand squeezing tube 41 discharges, when unclamping flexible pipe 41, because the Hui Li of back-moving spring 7, type of tamper evidence 45 is sealed feed flow outlet 43 again, can repeatedly give the purpose that liquid core 2 adds marking fluid that contains that has the gap thereby reach.Be provided with sleeve pipe 25 at the top that contains liquid core 2 that has the gap, make to have and form plenum chamber 23 containing of gap between liquid core 2 and the reservoir 4, can allow the marking fluid of discharging temporarily stop at plenum chamber 23 from feed flow outlet 43, naturally allow the liquid core 2 that contains that has the gap absorb the phenomenon of having avoided marking fluid to leak outside then.

Referring to Fig. 5, feed flow outlet 43 on the reservoir 4 can be for closing sealing 431, closing sealing 431 can make marking fluid be difficult for evaporation, when needs give have the gap contain liquid core 2 supplemental markers liquid the time, as long as with hand squeezing tube 41, the flexible pipe 41 that is extruded makes marking fluid produce thrust, closes sealing 431 and earns out thereby make, marking fluid is discharged, and this structure also is fairly simple.

Referring to Fig. 6, the described liquid feed device 5 of present embodiment comprises the closure member 51 that is arranged in the feed flow outlet 43, with the switching device 52 that joins with closure member 51, described feed flow outlet 43 is arranged on the bottom of reservoir 4, the cavity of described reservoir 4 can adopt flexible pipe 41 to make, closure member 51 is sealed in the feed flow outlet 43, in the reservoir 4 marking fluid is housed, when have the gap contain that marking fluid in the liquid core 2 reduces or when using up, with hand when the top of flexible pipe 41 is pushed downwards, thereby press above-mentioned switching device 52 indirectly, thereby also make closure member 51 open feed flow outlet 43, the marking fluid in the reservoir 4 is discharged from feed flow outlet 43, add to then and have the containing in the liquid core 2 of gap, the new marking fluid that replenishes is attracted in the gap that contains liquid core 2, thereby reaches the effect that marking tool can be repeatedly used.

Liquid feed device 5 on the reservoir 4 comprises closure member 51 that is arranged in the feed flow outlet 43 and the switching device 52 that joins with closure member 51, and liquid feed device 5 can also have multiple variation with relevant fit structure, such as:

Referring to Fig. 7, have air inlet 49 at the top of reservoir 4, the part of switching device 52 other ends is made flange 521, described flange 521 seals mutually with air inlet 49 on the reservoir 4, closure member 51 and feed flow outlet 43 sealing mutually, in the reservoir 4 marking fluid is housed, when with the switching device 52 on subordinate pressure reservoir 4 tops, flange 521 on the switching device 52 moves on air inlet 49, air inlet 49 is communicated with air, simultaneously, closure member 51 also moves in feed flow outlet 43, thereby opens feed flow outlet 43, marking fluid in the reservoir 4 just can from feed flow export 43 discharge and had a gap contain 2 absorptions of liquid core, referring to Fig. 8, because liquid feed device 5 makes air inlet 49 communicate with air after sliding, simultaneously, closure member 51 is also opened in feed flow outlet 43, like this, the liquid core 2 that contains that has the gap is also communicated with air inlet 49 on the reservoir 4, have containing marking fluid new in the liquid core 2 and can not being subjected to temperature and/or atmospheric variation and causing weeping of gap thereby also make.

Air inlet 49 when Fig. 8 works for liquid feed device 5 and feed flow outlet 43 structural representations of opening.

Referring to Fig. 9, also can be that the switching device 52 that joins with closure member 51 in the liquid feed device 5 passes and has containing liquid core 2 and extending on the marker nib 3 of gap, the housing 1 of the described relatively instrument of marker nib 3 can endwisely slip, marking fluid on needing reservoir 4 flow to have the gap contain liquid core 2 time, marker nib 3 is more than the dynamics of normally writing toward the surface of writing firmly to press down, marker nib 3 is slided towards the direction of reservoir 4, thereby the switching device 52 that drives on the marker nib 3 makes closure member 51 open in feed flow outlet 43, thereby the marking fluid in the reservoir 4 is flowed out; When marker nib 3 is left writing surface, be arranged on back-moving spring 7 resiliences on the closure member 51 and marker nib 3 is resetted.This embodiment is under the situation of normal usage flag nib 3, and marker nib 3 can not stretched, and that is to say when normally writing, and the closure member 51 that is enclosed in the feed flow outlet 43 can not opened.

Referring to Figure 10, also can be provided with port 48 at the top of reservoir 4, the other end of switching device 52 passes described port 48, and seal mutually with port 48, when needs give have the gap contain liquid core 2 ' supplemental markers liquid the time, as long as the other end with hand Push switch device 52 makes closure member 51 open feed flow outlet 43, thereby marking fluid on the reservoir 4 is flowed to have the gap contain liquid core 2 ', this structure, generally be that feed flow outlet 43 is slightly bigger for preferable, marking fluid can be flowed out from the feed flow outlet 43 of reservoir 4 swimmingly.What this had a gap contains liquid core 2 ' can adopt the working of plastics that has a plurality of grooves to make, or adopts the bakelite material that has a plurality of grooves to make.In order to increase the sealing effectiveness of above-mentioned port 48 and switching device 52 other ends, can on port 48, set up sealing ring 47, the other end of switching device 52 is sealed in the sealing ring 47 on the port 48.Also can feed flow export 43 and seal 51 between sealing ring is set, make the closure between them better.

Referring to Figure 11, also can be provided with port 48 at the top of reservoir 4, the other end of switching device 52 passes port 48 and seals mutually with port 48, switching device 52 can be made hollow tubular structure, the side of hollow switching device 52 is provided with horizontal through hole 522, horizontal through hole 522 is closed on the port 48, when using the other end of hand Push switch device 52, just can open the feed flow outlet 43 on the reservoir 4, simultaneously, horizontal through hole 522 in the hollow switching device 52 leaves port 48 and communicates with reservoir 4, air is entered the reservoir 4 from the hollow horizontal through hole 522 of flowing through of switching device 52 again, thereby the marking fluid in the reservoir 4 is flowed out from feed flow outlet 43.In order to increase the sealing effectiveness of above-mentioned port 48 and switching device 52 other ends, can on port 48, set up two sealing rings 47,47 ', the horizontal through hole 522 of above-mentioned hollow switching device 52 be arranged on two

sealing rings

47,47 in the above-mentioned port 48 ' between.For simplified structure, housing 1 can be made integrative-structure with the overcoat 24 that contains liquid core 2, the liquid core 2 that contains of present embodiment is placed in the housing 1, plenum chamber 23 is in the partial shell 1 that contains between liquid core 2 and the reservoir 4, reservoir 4 with contain blow vent 22 between the liquid core 2 connect with second blow vent 10 of side and communicate, contain the blow vent 22 of the other end of liquid core 2 ' with second blow vent 10 of housing 1 bottom ' communicate, this structure, marking tool is not being increased under the situation of volume, the distribution area that contains liquid core 2 is increased, improved the liquid content that contains liquid core 2.

Referring to Figure 12, also can be provided with air inlet 49 at the top of reservoir 4, the other end of switching device 52 passes air inlet 49, and there is part to expose air inlet 49 and be convenient to press, also be included in and be connected to second closure member 6 on the switching device 52, on second closure member 6, also be provided with back-moving spring 7, second closure member 6 is sealed the air inlet 49 at reservoir 4 tops because of the effect of back-moving spring 7, when using the other end of hand Push switch device 52, outlet 43 of feed flow on the reservoir 4 and air inlet 49 are opened simultaneously, thus make in the reservoir 4 marking fluid successfully from feed flow outlet 43 discharge and had a gap contain 2 absorptions of liquid core.Marker nib can comprise the overcoat 32 of diversion core 31 and diversion core.

Referring to Figure 13, also can be provided with air inlet 49 at the top of reservoir 4, on air inlet 49, be provided with second closure member 6 ', second closure member 6 ' be connected with the other end of switching device 52, second closure member 6 ' seal mutually with the air inlet 49 at reservoir 4 tops, in order to improve sealing effectiveness, can air inlet 49 and second closure member 6 ' on be provided with sealing ring 47, also can be with second closure member 6 ' make helicitic texture and be spun on the air inlet 49, when opening 6 ' time of (or screw out) second closure member, outlet 43 of feed flow on the reservoir 4 and air inlet 49 are opened simultaneously, thereby the marking fluid in the reservoir 4 is discharged and the liquid core 2 that contains that successfully had a gap absorbs from feed flow outlet 43.Present embodiment also can be set up one or more reservoir again containing on the liquid core 2, thereby prolonged the writing time of marker nib widely.

Referring to Figure 15, marking tool of the present utility model also can be contained in the pen container 8 and use, and also can be used as the replacement core in the pen container 8.When marking tool is contained in the pen container 8, on pen container 8, can be provided with the blow vent 81 that communicates with second blow vent 10, so that make blow vent 22 exhaust effectively that contains in the liquid core 2.On pen container 8, can also be with the cap for brush 9, so that carry or protect marker nib 3.

Marker nib 3 described in the utility model can be selected the marker nib that is generally used for writing down arbitrarily for use, such as: marker nib 3 can be diversion core 31, such as felt nib, fiber nib or analog; The overcoat 32 that also can comprise diversion core 31 and diversion core 31; Marker nib 3 also can comprise diversion core 31, ball 33 and ball cover 34; Also can comprise the metalwork 35 of diversion core 31 and split etc.

Though below in conjunction with the embodiments the utility model has been made detailed description, those of ordinary skill obviously can be recognized in the art, and previous embodiment only is for the utility model, and non-limiting the utility model.In design scope of the present utility model, can also make multiple variation or modification to previous embodiment, these variations and modification all should belong to the protection domain of this patent.

Claims

1, a kind of marking tool, comprise one be used to receive the supply marking fluid and have a gap contain the liquid core, also can be provided with an overcoat and be enclosed in the periphery that contains the liquid core that has the gap, one is used for marking fluid is coated onto a lip-deep marker nib, the liquid core that contains that has the gap is connected with marker nib, it is characterized in that: described have the gap contain the liquid core above at least one reservoir is set, described being provided with on reservoir to the feed flow outlet that contains liquid core supply marking fluid that has the gap is provided with liquid feed device on reservoir.

2, a kind of marking tool according to claim 1 is characterized in that: the described liquid core that contains that has the gap is that fibrous material is made or felt material is made or the working of plastics that has a plurality of grooves is made.

3, a kind of marking tool according to claim 1 and 2, it is characterized in that: described reservoir and have the gap contain between the liquid core and/or the described liquid core that contains that has the gap is provided with blow vent, described second blow vent that communicates with blow vent that is provided with on the housing periphery of instrument.

4, want 1 or 2 described a kind of marking tools according to right, it is characterized in that: the described overcoat that contains the liquid core that has a gap is along the top longitudinal extension that contains the liquid core that has the gap or describedly at the top that contains the liquid core that has the gap sleeve pipe is set, and makes to have to form plenum chamber containing between liquid core and the reservoir of gap.

5, a kind of marking tool according to claim 1 and 2, it is characterized in that: described reservoir comprises flexible pipe and base, and described feed flow outlet is arranged in the base of reservoir, and described liquid feed device is squeezable flexible pipe.

6, a kind of marking tool according to claim 5 is characterized in that: described feed flow outlet is for stopping up cream or type of tamper evidence.

7, a kind of marking tool according to claim 6 is characterized in that: the described back-moving spring that is provided with on type of tamper evidence.

8, a kind of marking tool according to claim 5 is characterized in that: described feed flow outlet is for closing sealing.

9, a kind of marking tool according to claim 1 and 2 is characterized in that: described liquid feed device comprises closure member that is arranged in the feed flow outlet and the switching device that joins with closure member, and described feed flow outlet is arranged on the bottom of reservoir.

10, a kind of marking tool according to claim 9, it is characterized in that: the top of described reservoir has air inlet, and the part of the other end of described switching device is made flange, and described flange seals mutually with blow vent on the reservoir.

11, a kind of marking tool according to claim 9, it is characterized in that: the described switching device that joins with closure member passes and has containing the liquid core and extending to marker nib of gap, the cylindrical shell of the described relatively instrument of marker nib can endwisely slip and drive the switching device activity, on closure member or switching device back-moving spring is set.

12, a kind of marking tool according to claim 9, it is characterized in that: the top of described reservoir is provided with port, and the other end of described switching device passes described port and seals mutually with port.

13, a kind of marking tool according to claim 9, it is characterized in that: the top of described reservoir is provided with port, the other end of described switching device passes described port and seals mutually with port, described switching device is hollow tubular structure, the side of hollow switching device is provided with horizontal through hole, and described horizontal through hole is enclosed in the port.

14, a kind of marking tool according to claim 9, it is characterized in that: the top of described reservoir is provided with air inlet, the other end of described switching device passes air inlet, also be included in switching device and be provided with second closure member, second closure member is sealed the air inlet at reservoir top, is provided with back-moving spring on second closure member or switching device.

15, a kind of marking tool according to claim 9, it is characterized in that: the top of described reservoir is provided with air inlet, described second closure member that on air inlet, is provided with, described second closure member is connected with the other end of switching device.