CN203902033U - Liquid storage type writing pen - Google Patents

Liquid storage type writing pen Download PDF

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Publication number
CN203902033U
CN203902033U CN201420159685.XU CN201420159685U CN203902033U CN 203902033 U CN203902033 U CN 203902033U CN 201420159685 U CN201420159685 U CN 201420159685U CN 203902033 U CN203902033 U CN 203902033U
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CN
China
Prior art keywords
liquid storage
core
liquid
air pressure
pressure balance
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Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Lifetime
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CN201420159685.XU
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Chinese (zh)
Inventor
许维中
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Tung Yik International Ltd
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Tung Yik International Ltd
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Priority to CN201420159685.XU priority Critical patent/CN203902033U/en
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Abstract

The utility model relates to a liquid storage type writing pen, which comprises a writing refill (9), a liquid storage pipe (11), a priming device, an air pressure balance plug (3) and a first breathable core (5), wherein the liquid storage pipe comprises a liquid storage cylinder (112) and a fixing cover (111) coaxially arranged at the back end of the liquid storage cylinder, and the air pressure balance plug is fixedly arranged at the front end of the liquid storage cylinder; a liquid storage space is defined by the air pressure balance plug and the liquid storage pipe, and the priming device comprises a priming conversion core (7) and a relay core (6); a first through hole (31) is formed in the air pressure balance plug, and the relay core is formed in the first through hole in a penetrating way; the front end of the relay core is inserted into the back end of the priming conversion core, and the writing refill is inserted into the front end of the priming conversion core; a second through hole (32) is also formed in the air pressure balance plug, and the first breathable core is fixedly arranged in the second through hole of the air pressure balance plug in a penetrating way to communicate the inside and outside of the liquid storage space. The liquid storage type writing pen provided by the utility model realizes the consistency of the air pressure in the liquid storage space and the outside air pressure, the structure is simple, and the production cost is greatly reduced.

Description

Liquid storage type writing pen
Technical field
The utility model relates to writing implement, relates in particular to a kind of simple in structure, fluent writing, antileakaging liquid storage type writing pen.
Background technology
General lettering pen at least comprises liquid storage part and draws liquid part, and liquid storage is partly for storing liquid ink or even gel ink, as ink source; Draw liquid part ink is guided to nib, realize and write object.The consumption of ink when writing, liquid storage part need to have supplementing of outside air, in order to avoid liquid storage partly produces negative pressure, affects the outflow of ink.In other words, liquid storage part also will have gas channel with ambient atmosphere, makes air pressure and the ambient atmosphere of liquid storage part suitable, and it is to guarantee lettering pen fluent writing and the key problem in technology of not revealing.
Chinese patent 01235948.3 discloses a kind of liquid storage type writing pen, and this lettering pen is by arranging dustproof sheet, labyrinth type porous plug, the saturating sheet of nanometer lyophoby, check valve and realize liquid storage part and ambient atmosphere communicating.Although this lettering pen can keep air pressure balance, its structure is too complicated, comprise that number of spare parts is many, assembly process is many, and production cost is high.
Utility model content
The purpose of this utility model is that assembly process is many for existing liquid storage type writing pen complex structure, and the problem that production cost is high provides a kind of simple in structure, assembles simple liquid storage type writing pen.
The technical scheme in the invention for solving the technical problem is:
The utility model provides a kind of liquid storage type writing pen, comprises writing refill, liquid storage pipe, draws liquid device, air pressure balance plug and the first porous core; The fixed cover that described liquid storage pipe comprises liquid storage cylinder and is co-axially mounted on this liquid storage cylinder rear end; Described air pressure balance plug is fixedly mounted in the front end of described liquid storage cylinder, and this air pressure balance plug and described liquid storage pipe surround one for storing the liquid storage space of liquid ink; The described liquid device that draws comprises that drawing liquid changes core and relaying core;
Described air pressure balance offers the first through hole that runs through this air pressure balance plug beyond the Great Wall; Described relaying core is arranged in this first through hole, this relaying core rear end is arranged in described fixed cover regularly, and draw in liquid conversion core described in the described liquid ink in described liquid storage space is drained into the rear end of drawing liquid conversion core described in the front end of this relaying core is inserted in; The front end that draws liquid conversion core described in described writing refill is inserted in draws the liquid ink that liquid is changed core described in absorbing; Described air pressure balance also offers the second through hole beyond the Great Wall; Described the first porous core is arranged in described second through hole of this air pressure balance plug regularly, will inside and outside described liquid storage space, be communicated with.
In the above-mentioned liquid storage type writing pen of the utility model, between described relaying core and described the first through hole, be separated out gap.
In the above-mentioned liquid storage type writing pen of the utility model, the cross section of described the first through hole is polygon, and the cross section of described relaying core is rounded, and the cross section of this relaying core is inscribed within the cross section of described the first through hole.
In the above-mentioned liquid storage type writing pen of the utility model, described liquid storage type writing pen also comprises pen container, front stall and back seat; Described front stall is single-revolution body, on this front stall is axial, offers perforation; Described back seat is column; Described front stall is installed on the front end of this pen container regularly, and described back seat is installed on the rear end of this pen container regularly, makes described front stall, described back seat and described pen container surround accommodation space; Described liquid storage pipe, described in draw liquid device, described writing refill, described air pressure balance plug and described the first porous core and be all installed in this accommodation space; Described writing refill is arranged in described perforation, and stretches out described accommodation space.
In the above-mentioned liquid storage type writing pen of the utility model, on the end face in described accommodation space of described back seat, offer the first holddown groove; Described fixed cover is fastened in described the first holddown groove regularly.
In the above-mentioned liquid storage type writing pen of the utility model, on the end face in described accommodation space of described front stall, offer the second holddown groove, the bottom land of described perforation second holddown groove described in this forms opening; The described liquid conversion core that draws is fastened in described the second holddown groove.
In the above-mentioned liquid storage type writing pen of the utility model, described liquid storage type writing pen also comprises three catch, and these three catch are plugged on respectively described air pressure balance beyond the Great Wall, and offsets with the described liquid conversion core that draws respectively.
In the above-mentioned liquid storage type writing pen of the utility model, described the first porous core also contacts with the described liquid conversion core that draws.
In the above-mentioned liquid storage type writing pen of the utility model, described in draw liquid conversion core and comprise the core body of being made by cotton-wool material and be set in the foreskin on this core body.
The utility model is by gap, the first porous core and the second porous core between relaying core and writing refill, realized liquid storage space internal gas pressure and outside air air pressure is consistent, simple in structure, and the manufacturing process of porous core is quite ripe, can greatly reduce production costs.
Accompanying drawing explanation
Below in conjunction with drawings and Examples, the utility model is described in further detail, in accompanying drawing:
Fig. 1 is the schematic diagram of the liquid storage type writing pen of the utility model embodiment;
Fig. 2 is the explosive view of the liquid storage type writing pen shown in Fig. 1;
Fig. 3 is the schematic diagram of the air pressure balance plug of the liquid storage type writing pen shown in Fig. 1;
Fig. 4 is the schematic diagram of the first embodiment of the relaying core matching of the present utility model and the first through hole;
Fig. 5 is the schematic diagram of the second embodiment of the relaying core matching of the present utility model and the first through hole;
Fig. 6 is the schematic diagram of the 3rd embodiment of the relaying core matching of the present utility model and the first through hole;
Fig. 7 is the schematic diagram of the 4th embodiment of the relaying core matching of the present utility model and the first through hole;
Fig. 8 is the schematic diagram of the 5th embodiment of the relaying core matching of the present utility model and the first through hole.
(remarks: the cross section of the first through hole is authorized in countless angular regions at triangle; The fillet with fillet cross section of the first through hole is authorized within the scope of countless fillets at R0.05, and the quantity of circular the first through hole is authorized in countless scopes from one)
The specific embodiment
Below in conjunction with the accompanying drawings and the specific embodiments the utility model is done to further detailed description.
Fig. 1 shows the liquid storage type writing pen of the utility model embodiment.Fig. 2 is the explosive view of this liquid storage type writing pen.
For the convenience of explaining, in the utility model, the written position of this liquid storage type writing pen is defined as to the front end of this liquid storage type writing pen, a tail position of this liquid storage type writing pen is defined as to the rear end of this liquid storage type writing pen.
As depicted in figs. 1 and 2, in the present embodiment, this liquid storage type writing pen comprises writing refill 9, pen container 2, front stall 8, back seat 1, the cap for brush 10, liquid storage pipe 11, draws liquid device, air pressure balance plug 3, the first porous core 5 and the second porous core 4; Draw liquid device and comprise that drawing liquid changes core 7, relaying core 6.In the present embodiment, writing refill 9 and relaying core 6 are made by fiber.
Particularly, in the present embodiment, with reference to Fig. 1, pen container 2 is tubular; Front stall 8 is single-revolution body, on this front stall 8 is axial, offers perforation 81.Back seat 1 is column.Front stall 8 is installed on the front end of this pen container 2 regularly, and back seat 1 is installed on the rear end of this pen container 2 regularly.
In the present embodiment, with reference to Fig. 1, front stall 8 is connected with pen container 2 by the mode of being spirally connected respectively with back seat 1.Being appreciated that the connected mode between front stall 8, back seat 1 and pen container 2 is not limited to the mode of being spirally connected, can also be gluing or one-body molded mode.
Further, in the present embodiment, front stall 8, back seat 1 and pen container 2 surround accommodation space.Further, liquid storage pipe 11, draw liquid device, writing refill 9, air pressure balance plug 3, the first porous core 5 and the second porous core 4 and be all installed in this accommodation space.
Particularly, with reference to Fig. 1, on the end face in accommodation space of back seat 1, offer the first holddown groove 101.Liquid storage pipe 11 comprise liquid storage cylinder 112 and with these the first holddown groove 101 form fit, and be co-axially mounted on the fixed cover 111 of liquid storage cylinder 112 rear ends.Preferably, in the present embodiment, liquid storage cylinder 112 is one-body molded with fixed cover 111.Be appreciated that liquid storage cylinder 112 can also be to be connected with fixed cover 111 by the mode such as gluing, to be spirally connected.
Preferably, in the present embodiment, this first holddown groove 101 is circular cone shape, and fixed cover 111 matches, and is also circular cone shape, and liquid storage cylinder 112 is cylindric.The shape that is appreciated that the first holddown groove 101, fixed cover 111 and liquid storage cylinder 112 is not limited to shape as above.For example, the first holddown groove 101 and fixed cover 111 can be conical desk shape, and liquid storage cylinder 112 is prism tubular.
Further, in the present embodiment, with reference to Fig. 1, liquid storage pipe 11 is fastened in accommodation space, and supports on back seat 1, and fixed cover 111 is fastened in the first holddown groove 101 regularly.
Further, in the present embodiment, with reference to Fig. 1, air pressure balance plug 3 is fixedly mounted in the front end of liquid storage cylinder 112, and this air pressure balance plug 3 surrounds a liquid storage space with liquid storage pipe 11.This liquid storage space is used for storing liquid ink.This liquid ink can be fluorescent ink, mark ink, ink for whiteboard, blackboard ink or correction fluid.
Further, in the present embodiment, with reference to Fig. 1, draw liquid device for liquid ink being introduced to writing refill 9; On the end face in accommodation space of front stall 8, offer the second holddown groove 82, perforation 81 bottom lands at this second holddown groove 82 form opening.
Further, in the present embodiment, see figures.1.and.2, draw liquid conversion core 7 and comprise the core body 71 of being made by cotton-wool material and be set in the foreskin 72 on this core body 71.In the present embodiment, core body 71, with the characteristic of its cotton-wool material, has good water absorbing properties, can prevent leakage.Foreskin 72 is plastic sheeting, is coated on core body 71 outer surfaces, thus the fixing shape of core body 71, and this draws liquid conversion core 7 and is fastened in the second holddown groove 82.
Further, in the present embodiment, with reference to Fig. 1 and Fig. 3, on air pressure balance plug 3, offer the first through hole 31 that runs through this air pressure balance plug 3; Relaying core 6 is arranged in this first through hole 31, these relaying core 6 rear ends are arranged in fixed cover 111 regularly, the front end of this relaying core 6 is inserted in the rear end of drawing liquid conversion core 7, and like this, relaying core 6 can drain into the liquid ink in liquid storage space in liquid conversion core 7.
Writing refill 9 is inserted in the front end that draws liquid conversion core 7, can absorb the liquid ink drawing in liquid conversion core 7, and this writing refill 9 is arranged in the perforation 81 of front stall 8, and stretches out accommodation space.The cap for brush 10 is set on front stall 8 separably, for the protection of the front end that stretches out accommodation space of writing refill 9.
Preferably, in the present embodiment, with reference to Fig. 1, between relaying core 6 and writing refill 9, there is certain interval, rather than directly contact, design can make ink in relaying core 6 first be injected into draw liquid to change in core 7 like this, then flows in writing refill 9, can make the ink flowrate in writing refill 9 keep constant, handwriting color is more even.
Further, in the present embodiment, between the first through hole 31 of relaying core 6 and air pressure balance plug 3, can be separated out an intersegmental gap, as shown in Fig. 4-Fig. 8.Wherein, the cross section of the first through hole 31 can be that angle is the polygon of corner angle or fillet; Gap between relaying core 6 and the first through hole 31 can form one or more passages.Like this, the air pressure outside in liquid storage space and liquid storage space can keep balance, thereby the liquid ink in liquid storage space can be incorporated in liquid conversion core 7 by relaying core 6.It will be appreciated, of course, that the gap between the first through hole 31 of relaying core 6 and air pressure balance plug 3 can not be excessive, when this excesssive gap, the liquid ink in liquid storage space can flow out from liquid storage space.
Preferably, in the present embodiment, the cross section of the first through hole 31 can be polygon, and this polygonal angle can be corner angle or fillet (the radius precision of fillet is greater than R0.05), and the cross section of relaying core 6 is rounded, the cross section of this relaying core 6 is inscribed within the cross section of the first through hole 31.Gap between relaying core 6 and the first through hole 31 forms a plurality of passages.
Fig. 4-Fig. 7 also shows the schematic diagram of 4 kinds of relaying cores 6 that match and the first through hole 31.Wherein, with reference to Fig. 4, relaying core 6 and the first through hole 31 also can form 2 jiaos of air channels; With reference to Fig. 5, relaying core 6 and the first through hole 31 also can form 1 jiao of air channel; With reference to Fig. 6, relaying core 6 and the first through hole 31 also can form rectangle air channel; With reference to Fig. 7, relaying core 6 and the first through hole 31 also can form trapezoidal air channel.
Further, in order to improve, the liquid ink in liquid storage space to be incorporated into and to draw liquid effect in liquid conversion core 7, in the present embodiment, with reference to Fig. 3, on air pressure balance plug 3, also offer two the second through holes 32.The first porous core 5 and the second porous core 4 are arranged in respectively in two the second through holes 32 of this air pressure balance plug 3 regularly.Like this, this first porous core 5 and the second porous core 4 will be communicated with inside and outside liquid storage space respectively.Further, in the present embodiment, the first porous core 5 also contacts with drawing liquid conversion core 7, thereby further improves and draw liquid effect.This first porous core 5 and the second porous core 4 seal and arrange respectively and between two the second through holes 32.
Here, the first porous core 5 and the second porous core 4 are all by making through the nano material of micropore technical finesse, the porosity of this first porous core 5 and the second porous core 4 is all between 40-80%, and preferably, the porosity of this first porous core 5 and the second porous core 4 is 50%.The average pore size of this first porous core 5 and the second porous core 4 is between 50 μ m-100 μ m.Like this, the in the situation that of being communicated with, prevent the seepage of liquid ink inside and outside assurance liquid storage space.
Preferably, in the present embodiment, the internal diameter of the first through hole 31 is 4mm, and the internal diameter of the second through hole 32 is 2mm.
Further, in the present embodiment, in order to prevent that draw liquid conversion core 7 moves in accommodation space, liquid storage type writing pen also comprises three catch 12, these three catch 12 are plugged on respectively on air pressure balance plug 3, and offset with drawing liquid conversion core 7 respectively, thereby will draw liquid conversion core 7, be fixed in the second holddown groove 82.
In the present embodiment, the gap between relaying core 6 and writing refill 9 coordinates with the first porous core 5, the second porous core 4, realizes drawing liquid conversion core 7 supply liquid inks, and makes gas enter into liquid storage space, makes the balance of liquid storage space inner and outer air pressure.When using lettering pen, in liquid storage pipe 11, liquid level declines, and negative pressure increases, and outside air enters liquid storage pipe 11 by the first porous core 5 and the second porous core 4, realizes that air-flow is unimpeded, air pressure balance.
The utility model is by gap, the first porous core 5 and the second porous core 4 between relaying core 6 and writing refill 9, realized liquid storage space internal gas pressure and outside air air pressure is consistent, simple in structure, and the manufacturing process of porous core is quite ripe, can greatly reduce production costs.
Further, the porous core quantity of the utility model liquid storage type writing pen is not limited to two described in the present embodiment, and it can be one or more; The shape of porous core is not limited to the circle shown in this fact Example, and it can be square; Meanwhile, writing refill of the present utility model also can have multiple implementation, and such as the metal penpoint etc. for a band pearl, the present embodiment does not limit the utility model and also has other multiple implementations.
Should be understood that, for those of ordinary skills, can be improved according to the above description or convert, and all these improvement and conversion all should belong to the protection domain of the utility model claims.

Claims (9)

1. a liquid storage type writing pen, is characterized in that, comprises writing refill (9), liquid storage pipe (11), draws liquid device, air pressure balance plug (3) and the first porous core (5); The fixed cover (111) that described liquid storage pipe (11) comprises liquid storage cylinder (112) and is co-axially mounted on this liquid storage cylinder (112) rear end; Described air pressure balance plug (3) is fixedly mounted in the front end of described liquid storage cylinder (112), and this air pressure balance plug (3) surrounds one for storing the liquid storage space of liquid ink with described liquid storage pipe (11); The described liquid device that draws comprises that drawing liquid changes core (7) and relaying core (6);
On described air pressure balance plug (3), offer the first through hole (31) that runs through this air pressure balance plug (3); Described relaying core (6) is arranged in this first through hole (31), this relaying core (6) rear end is arranged in described fixed cover (111) regularly, and draw in liquid conversion core (7) described in the described liquid ink in described liquid storage space is drained into the rear end of drawing liquid conversion core (7) described in the front end of this relaying core (6) is inserted in; The front end that draws liquid conversion core (7) described in described writing refill (9) is inserted in draws the liquid ink that liquid is changed core (7) described in absorbing; On described air pressure balance plug (3), also offer the second through hole (32); Described the first porous core (5) is arranged in described second through hole (32) of this air pressure balance plug (3) regularly, will inside and outside described liquid storage space, be communicated with.
2. liquid storage type writing pen according to claim 1, is characterized in that, between described relaying core (6) and described the first through hole (31), is separated out gap.
3. liquid storage type writing pen according to claim 2, it is characterized in that, the cross section of described the first through hole (31) is polygon, and the cross section of described relaying core (6) is rounded, and the cross section of this relaying core (6) is inscribed within the cross section of described the first through hole (31).
4. liquid storage type writing pen according to claim 1, is characterized in that, described liquid storage type writing pen also comprises pen container (2), front stall (8) and back seat (1); Described front stall (8) is single-revolution body, on this front stall (8) is axial, offers perforation (81); Described back seat (1) is column; Described front stall (8) is installed on the front end of this pen container (2) regularly, and described back seat (1) is installed on the rear end of this pen container (2) regularly, makes described front stall (8), described back seat (1) and described pen container (2) surround accommodation space; Described liquid storage pipe (11), described in draw liquid device, described writing refill (9), described air pressure balance plug (3) and described the first porous core (5) and be all installed in this accommodation space; Described writing refill (9) is arranged in described perforation (81), and stretches out described accommodation space.
5. liquid storage type writing pen according to claim 4, is characterized in that, offers the first holddown groove (101) on the end face in described accommodation space of described back seat (1); Described fixed cover (111) is fastened in described the first holddown groove (101) regularly.
6. liquid storage type writing pen according to claim 5, it is characterized in that, on the end face in described accommodation space of described front stall (8), offer the second holddown groove (82), the bottom land of described perforation (81) second holddown groove (82) described in this forms opening; The described liquid conversion core (7) that draws is fastened in described the second holddown groove (82).
7. liquid storage type writing pen according to claim 6, it is characterized in that, described liquid storage type writing pen also comprises three catch (12), and it is upper that these three catch (12) are plugged on respectively described air pressure balance plug (3), and offsets with the described liquid conversion core (7) that draws respectively.
8. liquid storage type writing pen according to claim 7, is characterized in that, described the first porous core (5) also contacts with the described liquid conversion core (7) that draws.
9. the liquid storage type writing pen described in any one according to claim 1-8, is characterized in that, described in draw liquid conversion core (7) and comprise the core body (71) of being made by cotton-wool material and be set in the foreskin (72) on this core body (71).
CN201420159685.XU 2014-04-01 2014-04-01 Liquid storage type writing pen Expired - Lifetime CN203902033U (en)

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Application Number Priority Date Filing Date Title
CN201420159685.XU CN203902033U (en) 2014-04-01 2014-04-01 Liquid storage type writing pen

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Application Number Priority Date Filing Date Title
CN201420159685.XU CN203902033U (en) 2014-04-01 2014-04-01 Liquid storage type writing pen

Publications (1)

Publication Number Publication Date
CN203902033U true CN203902033U (en) 2014-10-29

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Application Number Title Priority Date Filing Date
CN201420159685.XU Expired - Lifetime CN203902033U (en) 2014-04-01 2014-04-01 Liquid storage type writing pen

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111251748A (en) * 2020-03-14 2020-06-09 东益实业(河源)有限公司 Straight liquid formula brush structure

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111251748A (en) * 2020-03-14 2020-06-09 东益实业(河源)有限公司 Straight liquid formula brush structure

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Granted publication date: 20141029