CN217048056U - Direct liquid type refill capable of being used for pressing writing pen - Google Patents

Abstract

The utility model discloses a can be used to press direct liquid formula refill of writing pen, include: the pen comprises a pen core component, a pen point arranged at one end of the pen core component and a water diversion core with elastic deformation capability, wherein an ink flowing channel and a ball-point component positioned at the tail end of the ink flowing channel are arranged in the pen point, the water diversion core penetrates through the pen core component, one end of the water diversion core extends into the ink flowing channel and abuts against the ball-point component, so that the water diversion core is compressed to generate elastic deformation, and the water diversion core is used for applying elasticity to the ball-point component to enable the ball-point component to abut against the inner wall of the tail end of the ink flowing channel tightly. This direct-liquid type refill that can be used to press writing pen drives ball spare through adopting the diversion core that has elastic deformation ability and supports the nib bowl mouth inner wall that supports on the nib under its spring action and realize self sealedly, prevents to appear leaking the china ink and the ink is dry when not writing for can be applicable to on the multiple form writing pens such as press-type.

Description

Direct liquid type refill capable of being used for pressing writing pen

Technical Field

The utility model relates to a writing pen technical field, in particular to can be used to press the direct liquid formula refill of writing pen.

Background

Compared with the traditional writing pen, the direct-liquid type ball-moving writing pen has the advantages of uniform inking, smooth writing, long writing length and the like, thereby being more and more popular with consumers. The principle is that ink is directly provided through an ink storage cavity arranged in the pen, and the ink is adsorbed on the ink guide core and is continuously conveyed to the pen head through the contact of the ink guide core and the pen head. Because the ink used by the direct-liquid type writing pen core is easy to volatilize and dry, the prior art adopts the structural design of installing the pen cap on the pen, and the pen cap is inserted into the pen head for sealing when the pen is not used, so that the direct-liquid type writing pen core cannot be applied to the pressing type writing pen.

Disclosure of Invention

In order to solve the technical problem, the utility model provides a direct liquid formula refill that can be used to the pressing writing pen supports the ball at written bowl mouth formation sealedly through the resilience force of drawing water refill self, reaches good leak protection china ink effect to can be applicable to the pressing writing pen.

The utility model discloses a solve the technical scheme that its technical problem adopted and be: a direct liquid cartridge usable with a press writing pen, comprising: the pen comprises a pen core assembly, a pen point arranged at one end of the pen core assembly and a water diversion core with elastic deformation capacity, wherein a flowing ink channel and a ball part positioned at the tail end of the flowing ink channel are arranged in the pen point, the water diversion core penetrates through the pen core assembly, one end of the water diversion core extends into the flowing ink channel and abuts against the ball part, so that the water diversion core is compressed to generate elastic deformation, and the ball part is applied with elastic force to be abutted against the inner wall of the tail end of the flowing ink channel.

As a further improvement of the utility model, the water diversion core is a porous fiber structure body which is made of soft materials and has resilience.

As a further improvement of the utility model, the terminal department that the nib is located its interior ink flow passageway is provided with the nib bowl mouth, ball part includes first ball, what first ball can fluctuate holds and is in just at least part is protruding to be exposed in the outside in the nib bowl mouth.

As the utility model discloses a further improvement, the one end elasticity of diversion core supports and leans on in order to order about on the first ball is sealed to be supported and is leaned on nib bowl mouth inner wall.

As a further improvement of the present invention, the ball component further includes a second ball abutted against the first ball, the one end elasticity of the water-guiding core is abutted against the second ball, and the second ball is ordered about the first ball is abutted against the inner wall of the pen head socket.

As a further improvement, the ink flowing channel is internally provided with a ball seat part, the second ball is limited on the ball seat part, and the ball seat part and the pen head bowl mouth are provided with a plurality of ink grooves along the inner wall.

As a further improvement of the present invention, the cartridge assembly includes a refill tube, a water reservoir and a joint, the refill tube has an ink storage cavity for storing ink therein, the water reservoir is accommodated in the ink storage cavity, the joint is mounted at one end of the refill tube and compresses the water reservoir, and the pen point is fixedly connected to the joint; an air return channel is formed between the joint and the water storage device and the refill tube, and the air return channel is communicated with the ink storage cavity and the external atmosphere.

As a further improvement of the present invention, the water diversion core has an upper water diversion section and a lower water diversion section which are coaxially arranged, and the diameter of the lower water diversion section is smaller than that of the upper water diversion section and is used for extending into the ink flowing channel; the water storage device is internally provided with a jack, the upper water guide section is inserted in the jack in an interference fit mode, and the end part of the upper water guide section extends into the ink storage cavity.

As a further improvement of the present invention, the water diversion core and the water receiver are provided with a limit structure therebetween, and the limit structure is used for limiting the relative movement between the water diversion core and the water receiver.

As a further improvement of the utility model, the pen point adopts one of bullet nib, needle tubing nib, calabash nib and st nib.

The beneficial effects of the utility model are that: the utility model provides a direct liquid type refill which can be used for pressing a writing pen, and has the advantages of simple structural design, convenient assembly, improved production efficiency, reduced cost, increased product stability, ensured writing effect, etc.; the direct-liquid type pen core is characterized in that a water-leading core with elastic deformation capacity is adopted, the water-leading core is arranged in the pen core assembly in a penetrating mode and is in a compression state, one end of the water-leading core can be elastically abutted against a ball-point component, the ball-point component is driven to abut against the inner wall of a pen head bowl opening on a pen head to realize self-sealing, ink leakage and ink drying are prevented when the pen is not used, the pen using the direct-liquid type pen core is not limited to be used on a cap-inserting writing pen any more, the direct-liquid type pen core can be suitable for various types of writing pens such as a press type writing pen, the pen head is not limited, the direct-liquid type pen core can be suitable for various types of pen heads such as bullets, needle tubes, bottle gourd pen heads, st pen heads and the like, and the application range is wide; wherein the ball part is through adopting two ball structural design for the frictional force that first ball received is less, and it is even to go out the china ink, writes more smoothly.

Drawings

FIG. 1 is a perspective view of a cartridge tip according to an embodiment of the present invention;

FIG. 2 is an exploded view of a cartridge tip according to an embodiment of the present invention;

FIG. 3 is a cross-sectional view of a cartridge tip according to an embodiment of the present invention;

FIG. 4 is an enlarged view of A of FIG. 3 according to the present invention;

FIG. 5 is a cross-sectional view of the present invention showing another spacing structure between the wick and the water reservoir;

FIG. 6 is a cross-sectional view of the present invention showing another position-limiting structure between the wick and the water reservoir;

FIG. 7 is a cross-sectional view of a pen point using a needle tube according to an embodiment of the present invention;

FIG. 8 is a cross-sectional view of an embodiment of the present invention, in which a st pen point is adopted;

FIG. 9 is a cross-sectional view of a pen point using a gourd pen according to an embodiment of the present invention;

FIG. 10 is a cross-sectional view of a second embodiment of the present invention using a cartridge tip;

FIG. 11 is a cross-sectional view of a second cartridge nib according to an embodiment of the present invention;

FIG. 12 is a cross-sectional view of a second embodiment of the present invention, showing a pen point using a needle tube;

FIG. 13 is a sectional view of a second embodiment of the present invention, showing a st pen point;

fig. 14 is a cross-sectional view of a gourd pen point according to a second embodiment of the present invention.

The following description is made with reference to the accompanying drawings:

1-pen head; 101-ink flow channel;

102-nib bowl; 103-ball seat portion;

104-lower gutter; 105-limit bump;

2-water diversion core; 201-upper water diversion section;

202-water diversion section; 203-second limit step;

3-first beads; 4-second beads;

5-refill tube; 501-ink storage cavity;

6-water storage device; 601-jack;

602-first limit step; 603-top plate;

7-a joint; 701-plug part;

702-annular boss.

Detailed Description

The following description of a preferred embodiment of the present invention will be made in conjunction with the accompanying drawings.

Example one

Referring to fig. 1 to 4, the present invention provides a direct-liquid type refill for pressing a writing pen, including: the pen comprises a pen core component, a pen point 1 arranged at the lower end of the pen core component and a water diversion core 2 with elastic deformation capacity. The pen point 1 is internally provided with a through ink flowing channel 101, the pen point 1 is provided with a ball part at the ink flowing tail end of the ink flowing channel 101, the water diversion core 2 is arranged in the pen core assembly in a penetrating mode, one end of the water diversion core extends into the ink flowing channel 101 and abuts against the ball part, and the water diversion core 2 is compressed to generate elastic deformation and is used for applying elastic force to the ball part to enable the ball part to abut against the inner wall of the tail end of the ink flowing channel 101 tightly.

Referring to fig. 3 and 4, the tip 1 is provided with a tip bowl 102 at the end of the ink channel 101, and the ball component includes a first ball 3, and the first ball 3 is accommodated in the tip bowl 102 in a vertically floating manner and at least partially protrudes to the outside. The water diversion core 2 is a porous fiber structure body which is made of soft materials and has resilience, the preferred adopted materials are nylon fibers, and the nylon fibers are bonded and made through soft glue, so that the water diversion core 2 has strong elastic deformation capacity. This priming core 2 is in compression state after the assembly is accomplished, and its lower extreme can support by elasticity and lean on first ball 3, and then orders about first ball 3 and supports and realize the self sealss by the nib bowl mouth 102 inner wall, prevents to appear leaking the china ink and the ink is dry when not writing for the writing pen that uses this direct liquid formula refill no longer limits in the formula of inserting the cap, also can be applicable to the writing pen of multiple forms such as press-type simultaneously.

Referring to fig. 2 and 3, the cartridge assembly includes a cartridge holder 5, a water reservoir 6, and a joint 7, the cartridge holder 5 having an open end at a lower end thereof and an ink storage chamber 501 for storing ink therein. The water reservoir 6 is housed in the ink reservoir 501 near the open end of the cartridge holder 5. The joint 7 is hollow, the upper end of the joint is arranged at the opening end of the refill tube 5 and tightly presses the water storage device 6, and the pen point 1 is fixedly connected to the lower end of the joint 7. Specifically, the upper end of the joint 7 is provided with an insertion part 701 and an annular boss 702 arranged along the periphery of the insertion part 701, the insertion part 701 is further provided with a plurality of spaced convex ribs along the periphery, the insertion part 701 is inserted into the opening end of the refill tube 5, and fixed insertion is realized through interference fit of the convex ribs and the inner wall of the opening end. After the pen refill tube is inserted in place, the edge of the opening end of the pen refill tube 5 abuts against the annular boss 702, and meanwhile, the upper end of the insertion part 701 is arranged on the water storage device 6 in an overhead manner, so that the water storage device 6 is pressed and stopped on a limit stop table arranged around the inner wall of the ink storage cavity 501.

Wherein, an air return channel is formed between the joint 7 and the water reservoir 6 and the refill tube 5, and the air return channel is communicated with the ink storage cavity 501 and the external atmosphere. Specifically, an air inlet hole is arranged on the annular boss 702, and gaps are arranged on the convex ribs of the insertion part 701; the water receiver 6 is provided with a plurality of fins at intervals, and form annular ink storage tank between two adjacent fins, and the water receiver 6 is provided with the air gap passageway that communicates a plurality of annular ink storage tank, and the inlet port loops through breach, air gap passageway intercommunication ink storage chamber 501, guarantees that the pressure balance in ink storage chamber 501.

Referring to fig. 2 to 4, in the present embodiment, the pen head 1 is a bullet pen head, and in order to be used in matching with the bullet pen head, the water diversion core 2 is provided as an upper water diversion section 201 and a lower water diversion section 202 which are integrally connected, and the upper water diversion section 201 and the lower water diversion section 202 are coaxially arranged. The diameter of the lower water guide section 202 is smaller than the inner diameter of the ink flowing channel 101, and the lower water guide section is used for extending into the ink flowing channel 101 and abutting against the first ball 3; the diameter of the upper water guide section 201 is larger than the inner diameter of the ink flowing channel 101, so that good ink suction capacity is ensured. Water reservoir 6 is provided with an insertion hole 601 along the central axis, and upper water-drawing section 201 is inserted into insertion hole 601 with an interference fit, preferably with an interference of 0.05mm, to prevent ink in ink-storing chamber 501 from leaking out of insertion hole 601. The upper end of the upper priming section 201 extends into the ink reservoir 501 for contacting ink to direct ink towards the lower end.

It can be understood that, in order to avoid the risk that the lower diversion section 202 blocks or cannot stably abut against the first ball 3 due to the deformation of the diversion core 2, the hardness, the compression amount, the elastic strength, the diameter of the lower diversion section 202 and the like of the used diversion core 2 can be adjusted according to actual configuration, so as to improve the reliability of the refill and ensure the normal use function.

A limiting structure is arranged between the upper end of the diversion core 2 close to the water storage device 6 and used for limiting the diversion core 2 and the water storage device 6 to move relatively. Specifically, the limiting structure comprises a first limiting step 602 formed by extending the upper end of the insertion hole 601 along the inner wall towards the central axis, and a second limiting step 203 formed by reducing the diameter of the upper part of the upper water guiding section 201, wherein the second limiting step 203 is stopped and limited at the bottom of the first limiting step 602 upwards. This embodiment sets up the interval that is greater than first spacing step 602 to first ball 3 through the length that will draw water core 2 from second spacing step 203 to bottom, and then extrudees to draw water core 2 through the cooperation of the first spacing step 602 of water receiver 6 and first ball 3 when the assembly and make it take place elastic deformation and compress the energy storage.

This application is through adopting above-mentioned technical scheme, simple structure not only, convenient assembling moreover to reduce cost has also increased product stability simultaneously, guarantees to write the effect.

Referring to fig. 5, the limiting structure between the wick 2 and the water receiver 6 may also include a top plate 603 that is formed by extending the upper end of the water receiver 6 toward the ink storage cavity 501 and is right opposite to the insertion hole 601, wherein a hole for ink circulation is formed in the connecting part between the top plate 603 and the upper end of the water receiver 6, the upper end surface of the upper wick section 201 abuts against the top plate 603, and then the water receiver 6 is limited to the wick 2, the structural design reduces the process of performing secondary processing on the wick 2 to form a second limiting step 203, and the production efficiency of the product is improved.

Referring to fig. 6, in addition, the limit structure between diversion core 2 and the water receiver 6 can also be realized spacingly through interference fit, through interference magnitude and the interference length that increase between jack 601 upper portion and diversion core 2 to increase frictional force between it, and then realize diversion core 2 and water receiver 6 upper portion fixed, this structural design need not to set up first spacing step 602 on water receiver 6, has also reduced the process that needs carry out secondary operation at diversion core 2 and have made the spacing step 203 of second, improves production efficiency.

Referring to fig. 7 to 9, fig. 7 is a cross-sectional view illustrating a pen point 1 in the direct-liquid type refill of the present embodiment replaced by a needle tube pen point, fig. 8 is a cross-sectional view illustrating a pen point 1 in the direct-liquid type refill of the present embodiment replaced by a st pen point, and fig. 9 is a cross-sectional view illustrating a pen point 1 in the direct-liquid type refill of the present embodiment replaced by a gourd pen point. Correspondingly, the size of the diversion core 2 needs to be adjusted to be suitable for the corresponding pen head 1, so that the diversion core 2 can elastically abut against the first ball 3, the first ball 3 is driven to abut against the inner wall of the pen head bowl opening 102 to realize self-sealing, and ink leakage and ink drying are prevented. Similarly, the technical solution adopted in this embodiment is also applicable to nibs with other shapes than those listed, which is not illustrated here.

Therefore, the embodiment can effectively prevent ink leakage and ink drying by adopting the technical scheme, can be suitable for pen points in various shapes such as a bullet pen point, a needle tube pen point, a gourd pen point and a st pen point, and is wide in application range.

When the ink-jet pen is used, the pressing force of the pen core on the paper surface is applied, so that the first ball 3 floats upwards in the pen head bowl opening 102 to open the pen head bowl opening 102, ink can flow out, the first ball 3 pushes the water diversion core 2 upwards to further compress the water diversion core 2, the water diversion core 2 guides the ink in the ink storage cavity 501 to the first ball 3 and fills the ink flowing channel 101, and the first ball 3 rolls to cut the ink to realize a smooth writing effect. When the pen is not used for writing, the first ball 3 is pushed to be abutted against the inner wall of the pen head bowl opening 102 in a sealing manner under the action of the resilience force of the water diversion core 2, so that self-sealing is realized.

Example two

Referring to fig. 10, the present embodiment is different from the first embodiment in that the ball component includes a first ball 3 and a second ball 4, and the second ball 4 is located above the first ball 3 and abuts against each other. The lower end of the water diversion core 2 is elastically abutted against the second ball 4, and the first ball 3 is driven to be abutted against the inner wall of the pen head bowl mouth 102 in a sealing way by the second ball 4. This application is through adopting two ball structural design for the frictional force that first ball 3 received is less, makes out black even, writes more in the same direction as smooth.

Referring to fig. 10 and 11, a ball seat portion 103 is disposed in the ink flow channel 101 near the nib bowl 102, and the second ball 4 is limited on the ball seat portion 103. A plurality of ink grooves 104 are arranged along the inner wall between the ball seat part 103 and the pen head bowl mouth 102, so that the ink in the ink flowing channel 101 can smoothly flow onto the first ball 3 from the ink grooves 104.

Referring to fig. 12 to 14, the same structure design of the dual ball-point pen in this embodiment is also suitable for the pen points with shapes of needle pen point, gourd pen point, st pen point, etc. Specifically, as shown in fig. 12, a cross-sectional view of replacing the pen point 1 in the direct liquid type pen core of the present embodiment with a needle tube pen point is shown, the pen point 1 is provided with a plurality of limit protrusions 105 distributed annularly near the pen point bowl mouth 102 in the ink flow channel 101, upper portions of the limit protrusions 105 form a ball seat portion 103 together, and the ink feeding groove 104 is formed by a gap between two adjacent limit protrusions 105. In order to match with the needle tube pen point for use, the diameter of the lower water diversion section 202 of the water diversion core 2 is correspondingly set to be smaller than the inner diameter of the needle tube pen point, so that the lower end of the water diversion core 2 can extend into the ink flowing channel 101 of the needle tube pen point and elastically abut against the second ball 4, and the requirement of functions is met. Fig. 13 is a cross-sectional view of the pen point 1 in the direct liquid type pen core of the present embodiment replaced by the cartridge pen point to be the st pen point, and fig. 14 is a cross-sectional view of the pen point 1 in the direct liquid type pen core of the present embodiment replaced by the cartridge pen point to be the gourd pen point. Correspondingly, the size of the water diversion core 2 also needs to be adjusted to be suitable for the corresponding pen point 1, so that the water diversion core 2 can be elastically abutted against the second ball 4, and then the first ball 3 is urged against the inner wall of the pen point bowl opening 102 to realize self-sealing, thereby preventing ink leakage and ink drying. Similarly, the technical solution adopted in this embodiment is also applicable to nibs with other shapes than those listed, which is not illustrated here.

In the previous description, numerous specific details were set forth in order to provide a thorough understanding of the invention. The foregoing description is only illustrative of the preferred embodiments of the invention, which can be embodied in many different forms and should not be construed as limited to the embodiments set forth herein. While the invention has been described with reference to a preferred embodiment, it will be understood by those skilled in the art that various changes may be made and equivalents may be substituted for elements thereof without departing from the scope of the invention. Any simple modification, equivalent change and modification made to the above embodiments according to the technical essence of the present invention are still within the scope of the technical solution of the present invention.

Claims (10)

1. A direct liquid cartridge for use with a press writing pen, comprising: the pen comprises a pen core assembly, a pen point (1) and a water diversion core (2), wherein the pen point (1) is arranged at one end of the pen core assembly, the water diversion core (2) is provided with an ink flowing channel (101) and a ball part located at the tail end of the ink flowing channel (101), the water diversion core (2) is arranged in the pen core assembly in a penetrating mode, one end of the water diversion core extends into the ink flowing channel (101) and abuts against the ball part, the water diversion core (2) is compressed to generate elastic deformation, and the ball part is applied with elastic force to enable the ball part to abut against the inner wall of the tail end of the ink flowing channel (101) tightly.

2. A direct liquid refill for an actuation writing pen according to claim 1, wherein: the water diversion core (2) is a porous fiber structure body which is made of soft materials and has resilience.

3. A direct liquid cartridge usable with a knock writing pen according to claim 1, wherein: the pen point (1) is provided with a pen point bowl mouth (102) at the tail end of an ink flowing channel (101) in the pen point, the ball part comprises a first ball (3), and the first ball (3) can be contained in the pen point bowl mouth (102) in a vertically floating mode and is at least partially exposed outside.

4. A direct liquid refill for an actuation writing pen according to claim 3, wherein: one end of the water diversion core (2) is elastically abutted against the first ball (3) so as to drive the first ball (3) to be abutted against the inner wall of the pen point bowl opening (102) in a sealing manner.

5. A direct liquid refill for an actuation writing pen according to claim 3, wherein: the ball part also comprises a second ball (4) which is mutually abutted to the first ball (3), one end of the water guide core (2) is elastically abutted to the second ball (4), and the first ball (3) is driven to be abutted to the inner wall of the pen head bowl opening (102) in a sealing manner through the second ball (4).

6. A direct liquid refill usable with an actuation writing pen according to claim 5, wherein: a ball seat part (103) is arranged in the ink flowing channel (101), the second ball (4) is limited on the ball seat part (103), and a plurality of ink discharging grooves (104) are arranged between the ball seat part (103) and the pen point bowl opening (102) along the inner wall.

7. A direct liquid refill for an actuation writing pen according to claim 1, wherein: the refill assembly comprises a refill tube (5), a water storage device (6) and a connector (7), wherein an ink storage cavity (501) for storing ink is formed in the refill tube (5), the water storage device (6) is contained in the ink storage cavity (501), the connector (7) is installed at one end of the refill tube (5) and presses the water storage device (6), and the pen point (1) is fixedly connected to the connector (7); an air return channel is formed between the joint (7) and the water storage device (6) and the refill tube (5), and the air return channel is communicated with the ink storage cavity (501) and the external atmosphere.

8. A direct liquid refill for an actuation writing pen according to claim 7, wherein: the water diversion core (2) is provided with an upper water diversion section (201) and a lower water diversion section (202) which are coaxially arranged, and the diameter of the lower water diversion section (202) is smaller than that of the upper water diversion section (201) and is used for extending into the ink flowing channel (101); a jack (601) is arranged in the water storage device (6), the upper water diversion section (201) is inserted into the jack (601) in an interference fit mode, and the end portion of the upper water diversion section extends into the ink storage cavity (501).

9. A direct liquid refill for an actuation writing pen according to claim 7, wherein: a limiting structure is arranged between the water diversion core (2) and the water storage device (6) and is used for limiting the relative movement of the water diversion core (2) and the water storage device (6).

10. A direct liquid refill for an actuation writing pen according to claim 1, wherein: the pen point (1) adopts one of a bullet pen point, a needle tube pen point, a gourd pen point and a st pen point.

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