CN2737562Y - Writing tool - Google Patents

Abstract

The utility model relates to a writing tool, comprising a writing nib and a liquid feeding device connected with and supplying writing liquid to the writing nib. The liquid feeding device is provided with a reservoir including a top cover, a cylinder and a bottom. A connecter is arranged between the top cover and a bottom cover. The top cover and the bottom are rotatablely sealed with the cylinder. Alternatively, the connecter extends out of the top cover and is rotatablely sealed with the top cover. The bottom cover and the cylinder are rotatable through the connecter. The bottom cover of the reservoir is provided with at least one liquid feeding outlet, the liquid feeding device is provided with a liquid inlet, and the liquid feeding outlet has no connection with the liquid inlet when out of operation. On the occasion of reducing or running off writing liquid in the liquid feeding device, the bottom cover of the reservoir is rotated to communicate the liquid feeding outlet and the liquid inlet to supply the writing liquid in the reservoir to the liquid feeding device, so the writing tool is capable of multiple reuse and is uneasy to leak liquid. The writing tool has the advantages of simple and rational structure, and low cost, greatly improving the quality of the writing tool and prolonging service life.

Description

Writing implement

Technical field

The utility model relates to a kind of writing implement, as the color pen, and felt material stylus, fiber nib, ball pen, the equipments of recording of pen and other types, the liquid of writing wherein is delivered to tip of stylus from liquid feed device.

Background technology

Adopting liquid feed device on the existing market is the writing implement of storing liquid raw material, generally can divide two big classes: a class is for storing the writing implement of writing liquid in the reservoir of cavity, and another kind of is to adsorb the writing implement of writing liquid containing of gap in the liquid core having.

The storage of writing liquid of the writing implement of this two class formation all is limited, if surpass the limit of itself storage, then often is subjected to temperature or atmospheric variation to be easy to occur weeping.Also there is the inventor on the writing implement of the first kind, to study, for example, a kind of marking tool of in the WO93/05966 patent application, describing, the perhaps writing implement of in publication number CN1086173A, describing, they mainly are to adopt diaphragm element to be divided into big liquid storage cylinder and little liquid storage cylinder liquid storage cylinder, and the flexible liquid of writing that makes opening of diaphragm element realize big liquid storage cylinder by tip of stylus is fed in the little liquid storage cylinder, like this, the liquid storage amount that just can make this writing implement increases exponentially and is not subject to temperature or atmospheric variation and causes weeping when off working state, but, when in writing process, needing writing liquid and replenish to give little liquid storage cylinder from big liquid storage cylinder or afterwards, liquid is write in discovery still can continue to flow to or be penetrated into marker nib, cause the weeping when normally writing, one of its reason be big liquid storage cylinder be supplied to little liquid storage cylinder write liquid be by the lengthwise movement of a movable part with valve open, cause writing liquid and constantly extrude and produce weeping.Inventor's improved on above-mentioned basis is also arranged, for example in the WO96/14998 patent application a kind of marking tool has been described, the structure that it is basic and above-mentioned similar, it mainly improves: little liquid storage cylinder is adopted the cyclic spring deformable piece, and purpose is to move forward at nib will write liquid when enlarging after the cavity compression by the cyclic spring deformable piece on the service duct in the process again suck back from nib.Have been found that at nib and move forward in the process, the liquid that often flows to or be penetrated into nib too much can't in time suck back it, in addition, also find sometimes air to be sucked back and liquid almost seldom sucks back, moreover, for the marking tool that has spin that adopts tip of stylus commonly used,, permeate or be forced out the liquid that comes and be difficult to suck back effectively because it is an enclosed type.

Summary of the invention

The purpose of this utility model is the measure that addresses the above problem, adopt rotation mode to replenish and write liquid, eliminated the weeping that cause because of the pressure that shakes the back generation liquid storage cylinder inside, therefore, the utility model provides a kind of writing implement, comprise tip of stylus, with be connected with tip of stylus and write the liquid feed device of liquid to the tip of stylus supply, the described reservoir that on liquid feed device, is provided with, described reservoir comprises top cover, cylindrical shell and bottom, between described top cover and the bottom connector is set, top cover and bottom and cylindrical shell sealing mutually rotationally, perhaps, connector stretches out top cover, connector and top cover sealing mutually rotationally, bottom and cylindrical shell are rotatable by connector, described at least one feed flow that has on the bottom of reservoir exports, the described inlet that on liquid feed device, has, and the feed flow outlet is not connected when not working with inlet.When in the liquid feed device write that liquid reduces or when using up, rotate by the bottom that rotates top cover or connector drive reservoir, the feed flow outlet is communicated with inlet, in the reservoir write liquid just from feed flow outlet flow through the liquid feed device inlet and enter in the liquid feed device, thereby the liquid storage amount in this writing implement is improved exponentially, and can reach the purpose that is repeatedly used and is difficult for water clock, improve the quality of high power capacity writing implement widely and prolonged service life.

Liquid feed device can be second reservoir, also can for comprise have a gap contain liquid core and housing.

Inlet on the liquid feed device is eccentric inlet, and is corresponding with the feed flow outlet when being convenient to rotate.

In order to prevent that the feed flow outlet and the contact-making surface of described liquid feed device from having seepage to write the phenomenon of liquid, between feed flow outlet and inlet, sealing gasket is set, have on the sealing gasket and feed flow outlet or the corresponding port of inlet.

Described at reservoir cylindrical shell and top cover on be carved with groove separately or be printed on mark, cover spare perhaps is set on connector, describedly on cover part and cylindrical shell, be carved with groove separately or be printed on mark, be convenient to know the situation of feed flow outlet and inlet contraposition or dislocation.

Comprise the scheme that contains liquid core and housing that has the gap for reservoir, further, can also be, at inlet and contain between the liquid core blow vent is set, on the housing periphery of described instrument, be provided with second blow vent that communicates with blow vent, flow out when the bottom of reservoir is rotated and write the air that in reservoir, exists after the liquid, the perhaps air that in containing the liquid core, exists, when being subjected to temperature and/or atmospheric variation, the air that expands can be discharged from blow vent, discharge the external of writing implement through second blow vent again, avoided air that the liquid of writing that contains in the liquid core is produced pressure and causes weeping.

Contain the liquid core and can adopt fibrous material to make or felt material is made or the plastics that have a groove are made, also can adopt the bakelite that has groove to make.

Further again, also can there be an overcoat to be enclosed in the periphery that contains the liquid core, the gap that contains the liquid core is controlled in the predetermined scope better, also convenient for assembly.Overcoat 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 inlet of gap, like this, can allow the liquid of writing that flows out from the feed flow outlet temporarily stop at above-mentioned plenum chamber, naturally allow then contain the liquid wicking and receive, avoided from above-mentioned feed flow outlet flow out write liquid often since too much the causing of moment flow contain the liquid core and have little time to absorb the phenomenon that leaks outside.

Description of drawings

Fig. 1 is the structure for amplifying cutaway view of a kind of writing implement of the utility model.

Fig. 2 is the structure for amplifying cutaway view when feed flow outlet and inlet contraposition when the top cover in the reservoir and bottom rotate 180 ° among Fig. 1.

Fig. 3 is the structure for amplifying cutaway view of second kind of embodiment of the present utility model.

Fig. 4 is the top cover in the reservoir among Fig. 3 and feed flow outlet of bottom rotation back and the structure for amplifying cutaway view of inlet when contraposition communicates.

Fig. 5 is an air flow schematic diagram among Fig. 4.

Fig. 6 is the structure for amplifying cutaway view of the third embodiment of the present utility model, there is shown writing implement and can be used as and replace core and be contained in structure for amplifying schematic diagram in the pen container.

Fig. 7 is the structure for amplifying cutaway view of the 4th kind of embodiment of the present utility model.

Fig. 8 is the structure for amplifying cutaway view of the 5th kind of embodiment of the present utility model.

Fig. 9 be among Fig. 8 A-A to the schematic cross-section of structure,

Among the figure:

1------------------------------bottom 230,230 '------------------------------overcoat 42 is---with reeded working of plastics 43,43 '---blow vent 44---housing 45---the second blow vent 46---plenum chamber 5---tip of stylus 51---the diversion core 52---overcoat 53 of diversion core---spin 54---spin cover 55---the second diversion core 6---pen container 61---the 3rd blow vent 7---caps for brush for fibrous material 411 to contain liquid core 41 for anti-leakage device 4 for the second reservoir 31 for port 3 for sealing gasket 250 for cover part 25 for connector 241 in feed flow outlet 24 for recessed edge 23 for cylindrical shell 221 for sealing ring 22 for groove 211 for top cover 210 for reservoir 21 for inlet 2 at top 11 for liquid feed device 10

The specific embodiment

Described writing implement, a retaining pen for example, referring to Fig. 1, comprise tip of stylus 5, with be connected with tip of stylus 5 and write the liquid feed device 1 of liquid to tip of stylus 5 supply, the liquid of writing in during pen is ink commonly used, the anti-device 31 that leaks can also be set on tip of stylus 5, should anti-ly leak in the device 31 and be provided with a plurality of grooves, when changed by temperature or atmospheric pressure, make the air in the liquid feed device 1 produce pressure, what be extruded writes liquid and can at first enter anti-leak in the device 31 and store, and this structure can play anti-the leakage.Liquid feed device 1 can be second reservoir 3, on second reservoir 3, reservoir 2 is set, described reservoir 2 comprises top cover 21, cylindrical shell 22 and bottom 23, describedly between top cover 21 and bottom 23, connector 24 is set, top cover 21 and bottom 23 and cylindrical shell 22 sealing mutually rotationally, on the bottom 23 of reservoir 2, have at least one feed flow outlet 230, on the top 10 of liquid feed device 1 (second reservoir 3), have inlet 11, feed flow on the described bottom 23 outlet 230 is sealed mutually with the top 10 of second reservoir 3, so feed flow outlet 230 is not connected when not working with inlet 11, referring to Fig. 2, when in second reservoir 3 write that liquid reduces or when using up, 21 to 180 ° of top covers in the rotation reservoir 2, feed flow outlet 230 in the bottom 23 that rotates along with top cover 21 is communicated with inlet 11 contrapositions, in the reservoir 2 write liquid just from feed flow outlet 230 flow through second reservoir 3 inlet 11 and enter in second reservoir 3, improved the liquid storage amount of writing implement, and, because the liquid of writing that this structure is replenished communicates liquid feed device 1 and reservoir 2 after rotating, avoid employing vertically to open valve and replenished the shortcoming of writing liquid and causing extruding, so weeping can not occur, thereby make this writing implement not only can reach the purpose that is repeatedly used, and improved widely the quality and the service life of high power capacity writing implement.The housing of second reservoir 3 of present embodiment and the cylindrical shell of reservoir 2 22 are conjoined structure, prevent leakage, and make designs simplification, and rationally, steady quality is fit to produce in enormous quantities.

As shown in Figure 1, between top cover 21 and cylindrical shell 22, sealing ring 211 is set, prevented to occur between them the phenomenon of leakage, inlet 11 on the liquid feed device 1 (second reservoir 3) is eccentric inlet, feed flow on the reservoir 2 outlet 230 also be the eccentric inlet with inlet 11 dislocation, thereby makes contraposition better after bottom 23 rotations in the reservoir 2.

For the bottom 23 in the reservoir 2 is connected and difficult drop-off with cylindrical shell 22 rotationally, can keep away with bottom 23 contacted sides at the cylindrical shell 22 of reservoir 2 and make recessed edge 221, the edge of bottom 23 is contained in the recessed edge 221.

In order to prevent that the feed flow outlet 230 and the contact-making surface of described second reservoir 3 from having the seepage phenomenon, can feed flow export 230 and inlet 11 between be provided with sealing gasket 25, have on the sealing gasket 25 and feed flow outlet 230 or inlet 11 corresponding ports 250, thereby feed flow outlet 230 is sealed indirectly mutually with the top 10 of second reservoir 3.For the port 250 and feed flow outlet 230 situations about communicating of sealing gasket 25, sealing gasket 25 is bonded on the bottom 23 of reservoir 2, and when rotating the bottom 23 of reservoir 2, sealing gasket 25 also and then rotates.

On the top cover 21 of reservoir 2 and cylindrical shell 22, be carved with corresponding groove 210 separately, 220, when top cover 21 rotates 180 °, bottom 23 also and then rotates 180 °, feed flow outlet 230 and inlet 11 are communicated, referring to Fig. 2, on groove 210 and 220 each direction of comfortable 180 °, at this moment, the liquid of writing in the reservoir 2 enters in second reservoir 3 naturally, when being rotated further 21 to 360 ° of bottoms, make two grooves 210 on top cover 21 and the cylindrical shell 22,220 is corresponding on the same side again, from and make outlet 230 of above-mentioned feed flow and inlet 11 dislocation, make the feed flow outlet 230 and second reservoir 3 do not communicate (referring to Fig. 1), at this moment, that is to say the air seal in the reservoir 2 is lived, if temperature and/or atmospheric pressure are when changing, air in the reservoir 2 can not produce pressure to the liquid of writing in second reservoir 3 yet, has prevented the danger of leakage.

The second diversion core 55 is equipped with at top at the anti-leakage device 31 of tip of stylus 5, the second diversion core 55 extends in the inlet 11, can be from the liquid of writing that feed flow outlet 230 is come out by the second diversion core, 55 rapid introducings the liquid feed device 1 (second reservoir 3), the setting of the second diversion core 55 has helped to write liquid and has entered fast the liquid feed device 1 from reservoir 2.

In reservoir 2, can place the rolling member (not shown), when turning to feed flow outlet 230 with inlet 11 corresponding (communicating), the rolling member that is placed in the reservoir 2 just can fall into rapidly in second reservoir 3, thereby helps the liquid of writing in the reservoir 2 to enter fast in second reservoir 3.

Described writing implement, for example one contain water-color paintbrush again, referring to Fig. 3, comprise tip of stylus 5 and be connected with tip of stylus 5 and supply the liquid feed device 1 of writing liquid to tip of stylus 5, liquid feed device 1 can for comprise have a gap contain liquid core 4 and housing 44, containing liquid core 4 can adopt fibrous material 41 to be preferred structure, on the top 10 in liquid feed device 1 reservoir 2 is set, reservoir 2 comprises top cover 21, cylindrical shell 22 and bottom 23, between described top cover 21 and the bottom 23 connector 24 is set, top cover 21 and bottom 23 and cylindrical shell 22 sealing mutually rotationally, on the bottom 23 of reservoir 2, have at least one feed flow outlet 230, have inlet 11 on the top 10 of the housing 44 in liquid feed device 1, the contact-making surface at the top 10 of the housing 44 in the outlet 230 of feed flow on the bottom 23 and the liquid feed device 1 seals mutually, so feed flow outlet 230 is not connected when off working state with inlet 11, referring to Fig. 4, when in the liquid feed device 1 contain in the liquid core 4 write that liquid reduces or when using up, rotate the top cover 21 in the reservoir 2, feed flow outlet 230 is communicated with inlet 11, write liquid just from flow through inlet 11 on the top 10 of the housing 44 the liquid feed device 1 of feed flow outlet 230 in the reservoir 2, enter again and contain in the liquid core 4, and make and write liquid and be adsorbed in the gap that contains liquid core 4, improved the liquid storage amount of writing implement, and, because the liquid of writing that this structure is replenished communicates liquid feed device 1 and reservoir 2 after rotating, almost eliminate the vibrations of reservoir 2 or liquid feed device 1 inside and produced pressure, the phenomenon of leakage when having solved fluid infusion, thereby make this writing implement can reach the purpose that is repeatedly used, improved the quality and the service life of writing implement widely.Housing 44 in the present embodiment liquid feed device 1 is a conjoined structure with the cylindrical shell 22 of reservoir 2, has improved the intensity of writing implement, has prevented the phenomenon of leakage.

In order to make feed flow outlet 230 and inlet 11 contrapositions more easily, can on the top cover 21 of reservoir 2 and cylindrical shell 22, be carved with groove 210,220 separately, referring to Fig. 4, when the top cover 21 that rotates reservoir 2 made two grooves 210,220 corresponding, feed flow outlet 230 communicated with inlet 11.

Be inserted with the second diversion core, 55, the second diversion cores 55 on the liquid core 4 and extend in the inlet 11 containing, write liquid and can be introduced rapidly by the second diversion core 55 and contain the liquid core 4 from what feed flow outlet 230 was come out.

For the contact-making surface that prevents housing 44 tops 10 in feed flow outlet 230 and the described liquid feed device 1 has the seepage phenomenon, can feed flow export 230 and inlet 11 between be provided with sealing gasket 25, have on the sealing gasket 25 and feed flow outlet 230 or inlet 11 corresponding ports 250, thereby feed flow outlet 230 is sealed indirectly mutually with housing 44 tops 10 of liquid feed device 1.

For liquid feed device 1 is to comprise the scheme that contains liquid core 4 and housing 44 that has the gap, further, can also be, at inlet 11 and contain blow vent 43 is set between the liquid core 4, on housing 44 peripheries, be provided with second blow vent 45 that communicates with blow vent 43, feed flow outlet 230 was flowed out and is write after the liquid when top cover 21 of reservoir 2 was rotated, the air that in reservoir 2, exists, the perhaps air that in containing liquid core 4, exists, when being subjected to temperature and/or atmospheric variation, the air of expansion can be discharged from blow vent 43, discharge the external of writing implement through second blow vent 45 again, avoided air that the liquid of writing that contains in the liquid core 4 is produced pressure and causes weeping.

Further again, also can there be an overcoat 411 to be enclosed in the periphery that contains liquid core 4, the gap that contains liquid core 4 is controlled in the predetermined scope better, overcoat 411 is along the top longitudinal extension that contains liquid core 4, or sleeve pipe is set at the top that contains the liquid core, make to have and form plenum chamber 46 containing of gap between liquid core 4 and the inlet 11, like this, can allow the liquid of writing that flows out from feed flow outlet 230 temporarily stop at above-mentioned plenum chamber 46, can allow naturally then and write liquid and be absorbed in and have the containing in the liquid core 4 of gap, avoided from feed flow outlet 230 flow out write liquid often since too much the causing of moment flow contain liquid core 4 and have little time to absorb the phenomenon that leaks outside.

Referring to Fig. 6, writing implement of the present utility model can also be contained in the pen container 6 and use, and also can be used as the replacement core in the pen container 6.When writing implement is contained in the pen container 6, on pen container 6, can be provided with the 3rd blow vent 61 that communicates with second blow vent 45, so that the blow vent 43 that contains in the liquid core 4 is discharged effectively.On pen container 6, can also be with the cap for brush 7, so that carry or protect tip of stylus 5.

Referring to Fig. 7, containing liquid core 4 directly is contained in the housing 44, plenum chamber 46 is between the top 10 that contains liquid core 4 and housing 44, directly communicate with the blow vent 43 that contains between the liquid core 4 at inlet 11 with second blow vent 45 on the housing 44 of side, contain the blow vent 43 of the other end of liquid core 4 ' communicate with another second blow vent 45 of housing 44 bottoms, this structure, writing implement is not being increased under the situation of volume, the distribution area that contains liquid core 4 is increased, improved the liquid content that contains liquid core 4.The part of top cover 21 is enclosed within on the cylindrical shell 22, can see the alignment situation of two grooves 210 and 220 when conveniently rotating by hand better clearly.

Referring to Fig. 8, containing liquid core 4 adopts the working of plastics 42 that has a plurality of grooves to make, with foregoing anti-leakage device 31 can be the same structure, but in the described liquid feed device 1 of present embodiment write liquid be all be contained in the anti-gap that contains liquid core 4 of leaking device 31 approximate constructions in, be to store to write the liquid effect, so the liquid core 4 that contains of present embodiment has distinct effect with aforesaid anti-leakage device 31.The connector 24 of present embodiment stretches out top cover 21, connector 24 and top cover 21 sealing mutually rotationally, bottom 23 is rotatable by connector 24 with cylindrical shell 22, can make feed flow outlet 230 and inlet 11 contrapositions when rotating more accurately and conducting for this structure, be socketed with cover part 241 in the end of connector 24, and on cover part 241, be carved with groove 210, when using hand rotating mask spare 241, groove 210 is alignd with groove 220 on the cylindrical shell 22, just can be feed flow outlet 230 and inlet 11 contraposition conductings.Between connector 24 and top cover 21, seal 211 is set, has prevented the phenomenon of leakage between them.The port 250 of sealing gasket 25 communicates with the feed flow of bottom 23 outlet 230, and in this case, sealing gasket 25 is that and then bottom 23 rotates.

Referring to Fig. 9, connector 24 can be square knuckle with the junction of bottom 23, when preventing that connector 24 from rotating and bottom 23 skid.

Tip of stylus 5 described in the utility model can be selected the tip of stylus that is generally used for writing down arbitrarily for use, such as, tip of stylus 5 can be diversion core 51, such as the felt nib, and fiber nib or analog; The overcoat 52 that also can comprise diversion core 51 and diversion core 51; Also can comprise diversion core 51, spin 53 and spin cover 44, also can comprise the metalwork of diversion core 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 (12)

1, a kind of writing implement, comprise tip of stylus, with be connected with tip of stylus and write the liquid feed device of liquid to the tip of stylus supply, it is characterized in that: the described reservoir that on liquid feed device, is provided with, described reservoir comprises top cover, cylindrical shell and bottom, between described top cover and the bottom connector is set, top cover and bottom and cylindrical shell sealing mutually rotationally, perhaps, connector stretches out top cover, connector and top cover sealing mutually rotationally, bottom and cylindrical shell are rotatable by connector, described at least one feed flow that has on the bottom of reservoir exports, the described inlet that on liquid feed device, has, and the feed flow outlet is not connected when not working with inlet.

2, a kind of writing implement according to claim 1 is characterized in that: described liquid feed device is second reservoir.

3, a kind of writing implement according to claim 1 is characterized in that: described liquid feed device comprise have a gap contain liquid core and housing.

4, according to claim 1 or 2 or 3 described a kind of writing implements, it is characterized in that: the inlet on the described liquid feed device is eccentric inlet.

5, according to claim 1 or 2 or 3 described a kind of writing implements, it is characterized in that: describedly between feed flow outlet and inlet, sealing gasket is set, has on the sealing gasket and feed flow outlet or the corresponding port of inlet.

6, according to claim 1 or 2 or 3 described a kind of writing implements, it is characterized in that: described at reservoir cylindrical shell and top cover on be carved with groove separately or be printed on mark.

7, according to claim 1 or 2 or 3 described a kind of writing implements, it is characterized in that: the described cover spare that is provided with on connector, describedly be carved with groove separately or be printed on mark on cover part and cylindrical shell.

8, a kind of writing implement according to claim 3 is characterized in that: the described liquid core that contains is that fibrous material is made or felt material is made or the working of plastics that has a groove is made.

9, a kind of writing implement according to claim 3 is characterized in that: described at inlet and contain between the liquid core blow vent is set.

10, a kind of writing implement according to claim 9 is characterized in that: described periphery at housing is provided with second blow vent, and second blow vent communicates with blow vent.

11, a kind of writing implement according to claim 3 is characterized in that: describedly be provided with an overcoat on the liquid core containing.

12, a kind of writing implement according to claim 11, it is characterized in that: described overcoat is along the top longitudinal extension that contains the liquid core that has the gap, or describedly sleeve pipe is set at the top that contains the liquid core that has the gap, make to have to form plenum chamber containing between liquid core and the inlet of gap.

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