CN101513807A - Direct-liquid type pen ink sac - Google Patents

Abstract

The invention provides a direct-liquid type pen ink sac, which solves the technical problems that in the prior art the leak tightness in the replacing process is poor, the increased amount of ink is hard difficult to control, spillover and splash pollution are easy to generate, the manufacturing manufacture is difficult, and the like. The direct-liquid type pen ink sac comprises a sac body, a neck matching hole, a valve matching hole formed on the inner side of the neck matching hole, and a valve, wherein the surface of the inner cavity of the sac body is formed provided with an elastic seat surface, the inner cavity of the sac body is provided with a spring of which the two ends resist against the elastic seat surface and the valve, and the surfaces of the sac body and the valve matching hole are formed provided with capillary channels; and the neck matching hole consists of a step surface and a threaded segment. The direct-liquid type pen ink sac has flexible and automatic leak tightness, can perform simple and convenient quantitative perfusion with a matched ink bottle without ink spillover, is convenient and reliable, has good hand feel in use, is sealed by a seal ring step surface and connected by threads, has lower requirement on the precision of plastic parts, and is suitable for batch production; besides, the sac body can be used as a penholder and can be refilled with ink, thus the direct-liquid type pen ink sac has low writing cost is low and is particularly suitable for students and office work.

Description

A kind of direct-liquid type pen ink sac

Technical field:

The present invention relates to the ink cartridge that a kind of direct-fluid-supply writing is used, a kind of specifically have a self-styled performance, can be convenient, repeating to add ink injection neatly again can be portable standby, and the also ink cartridge that can directly use when penholder.

Background technology:

Common ink cartridge by: in order to the utricule of storage ink, utricule inner chamber exit be provided with the direct-fluid-supply writing item on the Xiang Peikong that cooperates of the section of cooperation, the valve that is located at the Xiang Peikong inboard is joined the hole, is located at utricule inner chamber and valve and joins valve (ball) formation that the hole formation is sealed and matched; What have does not establish valve (ball), joins bore end at the item of joint and is provided with barrier film with the joint disjunctor, with the ink sealing of barrier film with inner chamber, pushes up to wear with Xiang Peikong with the tip of the cooperation section of direct-fluid-supply writing item during use and joins tight use; Mostly be the cylindrical hole or the tapered hole of tapering slightly with Xiang Peikong that the section of cooperation on the direct-fluid-supply writing item cooperates.Common structure major defect is: one, poor in the replacement process sealing, though reason is ball (valve) to be arranged but very poor by the automatic sealing of ball self gravitation when utricule level or little inclination withdrawing, so replacement process such as withdrawing are accidentally, overturning, dropping manyly can make ink spatter outward, two, add the also bad control of Mo Shiliang, easily take place excessively, careless spatter outward, the excessive trouble of inkiness that causes; Three, common joint and utricule adopt welding mostly, limited by welding procedure, and available face is narrow, and is firm partially with material, cause available tolerance range narrow, and manufacture difficulty increases, and feel is not good enough; Four, because mostly the Xiang Peikong in cooperation section and utricule inner chamber exit on the direct-fluid-supply writing item is to adopt cylindrical interference or tapering face interference fit, is prone to and cooperates the tension difficulty to extract, the loose permeation of mistake, problem such as leak.

Summary of the invention:

The objective of the invention is to address the above problem, a kind of automatic sealing property with flexibility and reliability promptly is provided, the replacement angle is random, not ink leak; Can add ink injection quantitative and easy, neatly; Employing is threaded, sealing ring sealing, and the utricule bar of can doublely writing on one's behalf interiorly can be irritated ink again, reduce the manufacture difficulty of plastic, the manufacturing cost that makes pen is used good hand touch with to write cost lower, seal more reliably, use to have more habituation, the direct-liquid type pen ink sac that can in the pupil, promote the use of.

For achieving the above object, direct-liquid type pen ink sac of the present invention, comprise utricule, be provided with the Xiang Peikong that cooperates with the section of cooperation of straight liquid type writing item assembly in utricule inner chamber exit, the valve that is located at the Xiang Peikong inboard is joined the hole, be located at utricule inner chamber and valve and join the valve that the hole formation is sealed and matched, it is characterized in that:

A. be formed with the bullet seat surface on the surface of internal cavity of described utricule, the inner chamber of described utricule is provided with spring, and an end of spring is butted on and plays on the seat surface, and the other end of spring is butted on the valve; Described valve is joined on the surface of hole (4) and is formed with capillary channel (4c); Be formed with capillary channel (1c) on the surface of internal cavity of described utricule (1).

B. the inner surface of described Xiang Peikong is provided with step surface and thread segment.

The present invention (one). on the surface of internal cavity of utricule, be formed with the bullet seat surface, adopt the deformed spring of big small end, the big end of spring directly is against and plays on the seat surface, saved conventional supporting member, it is few to have member, simple in structure, intracavity space is rationally distributed, practical, has the automatic sealing property of flexibility and reliability.It can make conventional structure have more practicality, economy; Join on the surface in hole the capillary channel that forms on the surface of internal cavity with utricule at valve, can successfully the ink around the valve be directed to the bottom of utricule inner chamber, or with the ink of the lower curtate of utricule inner chamber be directed to make around the valve write, refilling is smooth and easy, cooperate another application: a kind of ink cartridge is with the supporting ink injection that adds of ink bottle, can reach quantitatively, no excessive, the effect of annotating easily.(2). join internal surface of hole at item and be provided with the step surface that one section sealing ring on the section of cooperation with straight liquid type writing item assembly constitutes sealing, adopt the sealing ring on the section of cooperation of simple and reliable step surface and straight liquid type writing item assembly to constitute sealing, utilize the high resiliency of sealing ring material to reduce the required precision of plastic, reduced manufacturing process, cost; Adopt the screw thread butt joint to make operation have more habituation, simple, the pull out force that can avoid routine to cooperate is unbalance to dye the outer bespatter of surplus China ink, is threaded and utricule double as penholder usefulness can be able to be reduced manufacturing, consumer cost; Above-mentioned 2 the middle any point of available the present invention can be that traditional ink cartridge has better practicality, economy to the improvement of the corresponding position of traditional ink cartridge; Whole structure of the present invention, easy and simple to handle, sealing is reliable, and function of use is widened, and cooperates my another application: the ink cartridge ink bottle, supportingly can add ink injection quantitative and easy, neatly, be fit to production in enormous quantities, user writing cost and low.

In above-mentioned direct-liquid type pen ink sac, the Kong Youyi section joined by described valve and the valve composition has the close section of joining that flexible switching is sealed and matched, with the changeover portion formation of one section size expansion; Be formed with capillary channel on the surface of described changeover portion.Valve is joined the hole and is born close joining and two functions that constitute the aqueous vapor passage, and its shape can be the tapered hole of single big tapering; Valve is joined the Kong Youmi section of joining and changeover portion and is constituted, and form capillary channel and make valve join the hole to increase ink and dredge function on the surface of changeover portion, but the changeover portion root is crouched and is needed the establishing respective shapes.

In above-mentioned direct-liquid type pen ink sac, described Xiang Peikong is by the one section described thread segment that is located at the port of export, be located at one section described step surface of the inboard of described thread segment, be provided with one section tapering face or one section face of cylinder formation in the inboard of described step surface.This structure is provided with one section thread segment in the outside of sealed step face, be used to connect the screw thread on the pen, makes its peripheral part have identical function with penholder, has also guaranteed the location of sealing ring and step surface; Establish one section tapering face or one section face of cylinder again in the inboard of step surface, the tapering face is close with the cylindrical shape difference in functionality, plays assist location and backs down valve.

In above-mentioned direct-liquid type pen ink sac, the inner chamber of described utricule is provided with baffle, two inner chambers about described baffle is divided into the inner chamber of utricule, and the inner chamber exit at utricule two ends is provided with the Xiang Peikong that cooperates with the section of cooperation of straight liquid type writing item assembly.This structure is an advantage of the present invention, owing to be spirally connected, the utricule penholder of can holding concurrently uses; It is double-colored double end direct-liquid type that the big bar two-chamber of cavity volume can make a double-purpose, because inner chamber has self-styled, is inverted water-tightly, and ink all can be irritated again in two ends, and it is lower to write cost, uses more convenient.

In above-mentioned direct-liquid type pen ink sac, described valve is shaped by plastic material; The inner chamber of described valve end is provided with step, and spring one end is against on the step.The valve that is shaped with plastic material has the processing technology maturation, and it is tens up to a hundred, cheap that a mould can go out, and can adapt to various inks, and Available Material face broad, and profile plasticity is strong; The inner of valve is provided with step, and step can make the sealing of valve reliable and stable in the directionality of maintaining valve under the spring action, and shape can be made multiple as required.In above-mentioned direct-liquid type pen ink sac, described valve also can be as conventional ink cartridge, and by the spheroid that glass or Stainless Steel material are made, the small end of spring is against on the spherome surface.With the spheroid that glass or Stainless Steel material are made, to purchase ready-madely, technology is simple, detective on the product.

In above-mentioned direct-liquid type pen ink sac, the step end of described valve is provided with the diversion core.Step end at valve is set up the diversion core.Ink around the diversion core pilot valve is to intracavity bottom, or ink at the bottom of the chamber is guided to around the valve.

In above-mentioned direct-liquid type pen ink sac, the leading portion of described utricule is provided with joint, and utricule is connected adult with joint; Be formed with the concavo-convex annular groove of axial limiting on the leading portion of described utricule and the joint face that described joint is connected.Adopt the splice combinations adult in utricule inner chamber exit, can improve the injecting condition of utricule; Utricule connects with adopting welding or interference being connected of joint usually, and the concavo-convex annular groove of establishing axial limiting on joint face can strengthen connection sealing firmness, and the joint face either party is a groove, and the opposing party is a bulge loop.

In above-mentioned direct-liquid type pen ink sac, described joint outer surface is provided with step; The inner chamber port of export of described utricule is connected with capping, and described capping is resisted against on the step.Capping and step are the firmness that further strengthens being connected of utricule and joint, sealing, because the material solderability that joint is used is poor, the utility model is set up capping, capping can be identical in utricule with material, as-welded the best, the characteristics that welding effect is good, enlarged the Available Material scope of utricule and joint, improve the plug feel that cooperates the position with the direct-fluid-supply writing item, enlarged the tolerance usable range, reduced the part accuracy of manufacture, manufacturing cost in addition.

In above-mentioned direct-liquid type pen ink sac, described bullet seat surface can be on the convex surface of back cover lid of intracavity bottom of the side of the some convex bodys that form on the surface of internal cavity of described utricule or annular table terrace or bottom surface or utricule.Play the seating plane of seat surface, be located at the side of the some convex bodys that form on the surface of internal cavity of utricule, can utilize intracavity space to greatest extent as support spring; Be located at the annular table terrace that forms on the surface of internal cavity of utricule, Mold Making is simple, and cost reduces; For short utricule, it is simple and economical to be directly arranged on the bottom surface of surface of internal cavity of utricule technology, is located on the convex surface of bottom side capping, can make utricule exit monolithic molding.

In above-mentioned direct-liquid type pen ink sac, the tail end peripheral part of described utricule is provided with the inserting section of the inserting pen cap.Because this structure can adopt the sealing ring sealing, be threaded, sealing is reliable, easy to connect, directly the outer bar of double as uses, and not only can reduce cost, and still can economize on resources, be provided with the inserting section of the inserting pen cap at the tail end peripheral part of utricule, when writing a pen cap just be inserted on the inserting section with the same facility of pen of routine.

Advantage compared with prior art of the present invention in sum is: (one). ink cartridge has flexible automatic sealing, and can be in arbitrarily angled replacement, even overturning accidentally, dropping also can be from movable sealing.(2). in establish capillary passageway, the quantitative perfusion that can be easy to implement with ink bottle with supporting ink cartridge, the China ink that do not overflow, convenient and reliable, cost is low, and is particularly suitable to student, office.(3). with the section of cooperation of item assembly, employing is threaded, the sealing connecting structure of sealing ring sealing, the utricule bar of can doublely writing on one's behalf, in can irritate ink again, the manufacturing cost that makes pen seals more reliable with to write cost lower, use has more habituation, can in the pupil, promote the use of (four). on traditional syndeton, adopt multiple mode and usefulness, connect reliable, timber range enlarges, hard and soft material is taken into account, made the broadening of manufacturing tolerance band, manufacture difficulty reduces, not only self seal is reliable but also reliable with the sealing of pen item inserting, good hand touch.(5). adapt to the direct-fluid-supply writing of various inks.

Description of drawings

Fig. 1 is the sectional structure chart of embodiment 1 provided by the invention.

Fig. 2 is the A-A cross-sectional view of Fig. 1.

Fig. 3 is the sectional structure chart that the invention provides the straight liquid type writing item assembly of embodiment.

Fig. 4 is the sectional structure chart of embodiment 2 provided by the invention.

Fig. 5 is the sectional structure chart of embodiment 3 provided by the invention.

Fig. 6 is the sectional structure chart of embodiment 4 provided by the invention.

Fig. 7 is the sectional structure chart of embodiment 5 provided by the invention.

Fig. 8 is the sectional structure chart of embodiment 6 provided by the invention.

Fig. 9 is the B-B cross-sectional view of Figure 10.

Figure 10 is the sectional structure chart of embodiment 7 provided by the invention.

Among the figure, utricule 1, capillary channel 1c, baffle 1d, joint 2, Xiang Peikong 3, step surface 3a, thread segment 3b, taper seat 3c, face of cylinder 3d, valve are joined hole 4, the close section of joining 4a, changeover portion 4b, capillary channel 4c, valve 5, spring 6, bullet seat surface 7, step 8, concavo-convex annular groove 9, step 10, capping 11, convex body 12, inserting section 13, back cover lid 14, convex surface 15, write an assembly 16, are cooperated section 17, sealing ring 18.

The specific embodiment

Embodiment 1:

Fig. 1, direct-liquid type pen ink sac shown in Figure 2, shown in Figure 3 is the sectional structure chart that the present invention gives supporting straight liquid type writing item assembly

Direct-liquid type pen ink sac, be provided with the Xiang Peikong 3 that cooperates with the section of cooperation 17 of straight liquid type writing item assembly 16 by utricule 1, in utricule 1 inner chamber exit, the valve that is located at Xiang Peikong 3 inboards is joined hole 4, be located at utricule 1 inner chamber and valve and join the valve 5 that hole 4 formations are sealed and matched, on the surface of internal cavity of utricule 1, be formed with and play seat surface 7, inner chamber at utricule 1 is provided with spring 6, and an end of spring 6 is butted on and plays on the seat surface 7, and the other end of spring 6 is butted on the valve 5; Xiang Peikong 3 inner surfaces are provided with step surface 3a and one section thread segment 3b that one section sealing ring 18 on the section of cooperation 17 with straight liquid type writing item assembly 16 constitutes sealing.

Present embodiment, valve 5 are by plastic injection-moulded shaping, and valve 5 inner chamber ends are provided with step 8, and the small end of spring 6 is against on the step 8; The side that plays the some convex bodys 12 that form on the surface of internal cavity of seat surface 6 by utricule 1 constitutes, and capillary channel 1c also is to be formed by some convex bodys 12; Present embodiment, Xiang Peikong 3 joins hole 4 with valve and is located on joint 2 centre bores, utricule 1 endoporus leading portion and joint 2 cylindricals adopt interference to link into an integrated entity, the either party is shaped on groove and the opposing party is shaped on bulge loop on the joint face, make the concavo-convex annular groove 9 that is formed with axial limiting on the joint face, also can adopt ultra-sonic welded together; Xiang Peikong 3 is made of one section step surface 3a and one section thread segment 3b; Valve is joined hole 4 and is formed with valve 5 by one section and have the close section of the joining 4a that flexible switching is sealed and matched, and constitutes with the changeover portion 4b of one section size expansion; Be formed with capillary channel 4c on the surface of described changeover portion 4b; Be formed with capillary channel 1c on the surface of internal cavity of described utricule 1; The tail end peripheral part of utricule 1 is provided with the inserting section 15 of the inserting pen cap.

When writing, the afterbody of straight liquid type writing item assembly 16 cooperates section 17 to be screwed onto in the thread segment 3b of Xiang Peikong 3, sealing ring 18 on the straight liquid type writing item assembly 16 afterbodys cooperation section 17 is sealed and matched with the step surface 3a formation of Xiang Peikong 3 leading portions, cooperate the tail end of section 17 to push valve 5 open, make between the surface of valve 5 and the inner surface that valve is joined hole 4 and form the gap, by the gap with capillary channel 4c, capillary channel 1c is logical with the diversion portion structure of the mesopore of the section of cooperation 17 of straight liquid type writing item assembly 16, ink is through capillary channel 1c, capillary channel 4c, the gap that valve 5 and valve are joined between the hole 4 is logical in diversion portion structure, or directly logical from valve 5 peripheral clearances in diversion portion structure, diversion portion causes nib to ink and writes; Replenish air from the external world that cooperates section 17 mesopores to come in, the gap of joining between the hole 4 through valve 5 and valve enters the pressure balance that inner chamber is kept inner chamber.

When adding ink injection, because joining on the surface in hole 4, valve of the present invention is formed with capillary channel 4c, be formed with capillary channel 1c on the surface of internal cavity of utricule 1, during filling Xiang Peikong 3 spiral shells are fitted over the matching used ink cartridge of the present invention with on the refilling mouth of ink bottle, finishing the fixing of utricule 1 is communicated with two chambeies, then with its inversion, ink cartridge below, this moment, bottle interior ink was at gravity, the capillary channel 4c of capillary channel and inner chamber on the refilling mouth, the effect that the capillary of 1c is induced, the ink cartridge inner chamber supplies water downwards, ink bottle inner chamber return-air makes progress, quantitatively annotate, carry out aqueous vapor and exchange, just finished in case add to the capillary attraction balance because filling is induced by capillary under the sealing normal pressure, so can not occur excessively, process is simple and reliable.The filling principle has detailed description at ink cartridge that I apply for simultaneously in the ink bottle patent.

Ink cartridge broke away from the cooperation section at 17 o'clock, and valve 5 follows closely to cooperate to move outside section 17 ends under the effect of spring force presses to the potted line that valve is joined hole 4, because the spring braking sensitivity can avoid appearance to leak, spatter phenomenon.When writing,, can with pen cap inserting on the inserting section 13 of capsule afterbody, avoid losing as the outer bar usefulness of capsule appearance double as.

Embodiment 2:

Fig. 4, shown in direct-liquid type pen ink sac, compare with embodiment 1, different is, and (one) utricule 1 inner chamber exports out is integral body.(2) bullet seat surface 7 is located on the convex surface 15 of back cover lid 14.All the other structures are identical with embodiment 1, and this does not give unnecessary details.

Embodiment 3:

Direct-liquid type pen ink sac shown in Figure 5, compare with embodiment 1, the outside of different is 1 of (one) utricule the joins step surface 3a in hole 3 is provided with one section thread segment 3e, thread segment 3e goes up the respective threads coupling with the pen item and is connected, the ink cartridge double as penholder of this structure is used, in directly irritate China ink and use, also can repeat to irritate China ink, manufacturing cost and much lower write cost; (2), can adorn ink more or reduce the utricule respective length because the diameter of this structure capsule is bigger, and the inner chamber capacity is also corresponding bigger; Be provided with one section tapering face 3d in the inboard of step surface 3a, the tapering face on tapering face 3d and the pen item plays auxiliary seal and backs down valve 5.All the other structures and embodiment 1 roughly the same, this does not give unnecessary details.

Embodiment 4:

Direct-liquid type pen ink sac shown in Figure 6 is compared with embodiment 3, and different is (one), and it is two capsules unification utricules, is used for two-headed pen, and characteristics are that ink reservoir volume is relatively large, can adorn double-colored ink and can irritate again; (2) bullet seat surface 7 is formed by the bottom surface of utricule 1 inner chamber; Can join taper spring or cylindrical spring.All the other structures and embodiment 1 roughly the same, this does not give unnecessary details.

Embodiment 5:

Direct-liquid type pen ink sac shown in Figure 7 is compared with embodiment 1, and different is that (one) Xiang Peikong is traditional mating holes, and joint 2 outer surfaces are provided with step 10; The inner chamber port of export of described utricule 1 is connected with capping 11, and described capping 11 is resisted against on the step 10.All the other structures and embodiment 1 roughly the same, this does not give unnecessary details.

Embodiment 6:

Fig. 8, direct-liquid type pen ink sac shown in Figure 9 are compared with embodiment 5, and different is that (one) plays the annular table terrace of seat surface 7 for forming on utricule 1 surface of internal cavity; (2) utricule 1, joint 2 usefulness materials are identical, directly connect.

All the other structures and embodiment 1 roughly the same, this does not give unnecessary details.

Embodiment 7:

Direct-liquid type pen ink sac shown in Figure 10, compare with embodiment 1, different is that utricule 1 inner chamber is not established spring 6, play seat surface 7, valve is a spheroid, because Xiang Peikong has adopted being tightly connected that step surface 3a, thread segment 3b and sealing ring 18, screw thread on the section of cooperation 16 of writing an assembly 17 constitute to have sealing reliably, feel is moderate, the member tolerance is lower, be fit to produce in enormous quantities, still has certain economic, practicality as the disposable product of special consumer group's body.

Claims (10)

1. direct-liquid type pen ink sac, comprise utricule (1), be provided with the Xiang Peikong (3) that cooperates with the section of cooperation of straight liquid type writing item assembly in utricule (1) inner chamber exit, be located at the inboard valve of Xiang Peikong (3) and join hole (4), be located at utricule (1) inner chamber and valve and join the valve (5) that hole (4) formation is sealed and matched, it is characterized in that:

Be formed with bullet seat surface (7) on the surface of internal cavity of A. described utricule (1), the inner chamber of described utricule (1) is provided with spring (6), and an end of spring (6) is butted on and plays on the seat surface (7), and the other end of spring (6) is butted on the valve (5); Described valve is joined on the surface of hole (4) and is formed with capillary channel (4c); Be formed with capillary channel (1c) on the surface of internal cavity of described utricule (1).

B. the inner surface of described Xiang Peikong (3) is provided with step surface (3a) and thread segment (3b).

2. direct-liquid type pen ink sac according to claim 1 is characterized in that, described valve is joined hole (4) and formed with valve (5) by one section and have the close section of joining (4a) that flexible switching is sealed and matched, and constitutes with the changeover portion (4b) of one section size expansion; Be formed with described capillary channel (4c) on the surface of described changeover portion (4b).

3. direct-liquid type pen ink sac according to claim 1, it is characterized in that, described Xiang Peikong (3) is by the one section described thread segment (3b) that is located at the port of export, be located at one section described step surface (3a) of the inboard of described thread segment (3b), be provided with one section tapering face (3c) or one section face of cylinder (3d) in the inboard of described step surface (3a) and constitute.

4. direct-liquid type pen ink sac according to claim 1, it is characterized in that, the inner chamber of described utricule (1) is provided with baffle (1d), two inner chambers about described baffle (1d) is divided into the inner chamber of utricule (1), the inner chamber exit at utricule (1) two ends are provided with the Xiang Peikong (3) that cooperates with the section of cooperation of straight liquid type writing item assembly.

5. direct-liquid type pen ink sac according to claim 1 is characterized in that, described valve (5) is shaped by plastic material; The inner chamber of described valve (5) end is provided with step (8), and spring one end is against on the step (8).

6. direct-liquid type pen ink sac according to claim 5 is characterized in that, step (8) end of described valve (5) is provided with diversion core (8a).

7. direct-liquid type pen ink sac according to claim 1 is characterized in that, the leading portion of described utricule (1) is provided with joint (2), and utricule (1) is connected adult with joint (2); Be formed with the concavo-convex annular groove (9) of axial limiting on the leading portion of described utricule (1) and the joint face that described joint (2) is connected.

8. direct-liquid type pen ink sac according to claim 1 is characterized in that, described joint (2) outer surface is provided with step (10); The inner chamber port of export of described utricule (1) is connected with capping (11), and described capping (11) is resisted against on the step (10).

9. direct-liquid type pen ink sac according to claim 1, it is characterized in that described bullet seat surface (7) can be on the convex surface (14) of back cover lid (13) of intracavity bottom of the side of the some convex bodys (12) that form on the surface of internal cavity of described utricule (1) or annular table terrace or bottom surface or utricule (1).

10. direct-liquid type pen ink sac according to claim 1 is characterized in that, the tail end peripheral part of described utricule (1) is provided with the inserting section (15) of the inserting pen cap.

Images