CN107804070A

CN107804070A - The print cartridge of Anti-bubble

Info

Publication number: CN107804070A
Application number: CN201711074760.7A
Authority: CN
Inventors: 王和平
Original assignee: Beihai Tiange Printing Supplies Co Ltd
Current assignee: Beihai Tiange Printing Supplies Co Ltd
Priority date: 2017-11-06
Filing date: 2017-11-06
Publication date: 2018-03-16

Abstract

The invention discloses a kind of print cartridge of Anti-bubble, it includes：Housing, its top are provided with ink supply port, and bottom is provided with ink outlet port；Dao Mo mechanisms, it includes leading print cartridge and multiple ink-guiding rods；Air guide mechanism, it includes cylinder, is set in the first catheter and airway tube group of inner barrel；Drain mechanism, it includes protective cover, the second catheter and ink storage box.The present invention in ink outlet port by setting air guide mechanism, a single path is provided for air circulation, gas circuit and fluid path are separated, the air in ink is reduced, so as to reduce the generation of bubble in print procedure, reaching improves the purpose of printing effect, the flow path of water clock ink is set at ink outlet port simultaneously, the ink of water clock is guided in ink storage box, and is received into cavernous body, avoid the ink of water clock from causing pollution not easy to clean to printer, thoroughly solve the problems, such as ink water clock.

Description

The print cartridge of Anti-bubble

Technical field

The present invention relates to printing technique field.A kind of it is more particularly related to ink of the Anti-bubble of printer Box.

Background technology

With the gradual popularization of modern office automation equipment, printer is played the part of in the normal work of people and study More and more important role, wherein, ink-jet printer because its energy consumption it is low, it is pollution-free, be easy to colour print to receive user's Favor.The print cartridge that the ink of printing is provided for printer is the essential part of ink-jet printer, and the quality of print cartridge is directly Influence the printing effect of ink-jet printer.The existing normal produced problem of print cartridge has：, need to be into print cartridge to produce hydraulic pressure to ink Convey air, air from ink by when ink be mixed into large quantity of air, printing spray ink when produce a large amount of bubbles, Cause to break in print procedure, have a strong impact on printing fluency；After printing, suction pump is stopped, part oil Ink can spray ink outlet port because of effect of inertia, cause the pollution to printer.

The content of the invention

It is an object of the invention to solve at least the above, and provide the advantages of at least will be described later.

It is a still further object of the present invention to provide a kind of print cartridge of Anti-bubble, its by setting air guide mechanism in ink outlet port, A single path is provided for air circulation, gas circuit and fluid path are separated, reduces the air in ink, so as to reduce printing During bubble generation, reach improve printing effect purpose, while at ink outlet port set water clock ink flow path, The ink of water clock is guided in ink storage box, and is received into cavernous body, avoids the ink of water clock from causing to be not easy clearly to printer Clean pollution, thoroughly solves the problems, such as ink water clock.

In order to realize according to object of the present invention and further advantage, there is provided a kind of print cartridge of Anti-bubble, it includes：

Housing, it is the rectangular parallelepiped structure of closing, and the top of the housing is provided with ink supply port, and the bottom of side is provided with out of ink Mouthful；

Dao Mo mechanisms, what it included that side and the inner walls are detachably connected lead print cartridge and are arranged at and described lead ink Multiple ink-guiding rods inside box, the print cartridge top of leading are provided with the first body that upper end connects with the ink supply port, and bottom is provided with By the first through hole led print cartridge and connected with the enclosure interior, the lower end of first body, which is stretched into, described leads the interior of print cartridge Portion so that described lead connects inside print cartridge with the ink supply port；Multiple top-down arrangements of the ink-guiding rod, any institute State ink-guiding rod being obliquely installed horizontal by certain angle, the floor projection of the ink-guiding rod is a vertical curve, adjacent two The individual ink-guiding rod is staggered, and the upper ends of two adjacent ink-guiding rods, which is separately fixed at, described leads relative two of print cartridge In side wall, lower end does not contact with another inwall and has a fixed gap respectively；The periphery of any ink-guiding rod is provided with multiple The elastic blade tilted down arranged along the ink-guiding rod axis direction；

Air guide mechanism, it includes the cylinder of outer wall and the hollow structure of the close-connected both ends open of the ink outlet port, set The first catheter and airway tube group of the inner barrel are located at, the cylinder is coaxially disposed with the ink outlet port, the cylinder The first end of body is located at the hull outside, and the second end is located at the enclosure interior, and there is certain thickness the circumference side of the cylinder Spend and air guide chamber is defined inside it, the ring surface of the first end of the cylinder is provided with first connected with the air guide chamber and led Stomata, the ring surface at the second end are provided with the second gas port connected with the air guide chamber；The outer wall of first catheter with The inner wall sealing contact of the cylinder, the first end of first catheter are located at the hull outside and tapered into for diameter Bottleneck structure, the second end is located at the enclosure interior；

The airway tube group include the Part I of L-shaped body that one end connects with second gas port and with it is described

The Part II of the other end connection of Part I, the first right-angle side of the Part I is horizontally disposed and it End

Connected with second gas port, the second right-angle side is set straight up；The Part II is spherical dry by two Dry pipe

Composition, two spherical drying tubes are set from bottom to top, the lower end and described second of the spherical drying tube of bottom Part

The second right-angle side end connection, the lower end of the spherical drying tube on upper end and top connects, the top Institute

The upper end for stating spherical drying tube extends upwardly to the top of the housing and its upper end is provided with check-valves；Described in two It is spherical

Molecular sieve is accommodated in drying tube；

Drain mechanism, its protective cover for including being connected with the cylinder first end, the second catheter and is arranged on described The ink storage box of enclosure interior, the protective cover is the tube structure for the hollow truncated cone-shaped being coaxially disposed with the cylinder, described The first end face diameter of protective cover is less than the diameter of second end face, and the inwall of the protective cover is small close to the part wall thickness of first end In close to the part at the second end, the protective cover is divided into inwall and has groove part with concave surfaces, and inwall has the convex of convex surface Block portion point, the bottom of the groove part of the protective cover is provided with delivery hole；The first end of second catheter and the drain Hole connects, and the second end extends to the enclosure interior through the side wall of the first end of first catheter, and stretches into the storage In print cartridge, the ink storage box is connected with the bottom of the housing and below the airway tube group.

Preferably, the print cartridge of described Anti-bubble, the ink-guiding rod and the blade surface are coated with a strata four The anti-adhesive coating material of PVF.

Preferably, the print cartridge of described Anti-bubble, the lower end of any ink-guiding rod and the similar print cartridge of leading The distance between one side wall is 5cm.

Preferably, the print cartridge of described Anti-bubble, the delivery hole, second catheter with first air guide Hole, second gas port do not contact.

Preferably, the print cartridge of described Anti-bubble, the cylinder and the ink outlet port, first catheter with it is described Sealing gasket is equipped between cylinder.

Preferably, the print cartridge of described Anti-bubble, the protective cover and the close first end of first catheter Outer wall thread connects.

Preferably, the print cartridge of described Anti-bubble, the ink storage box are internally provided with cavernous body.

The present invention comprises at least following beneficial effect：

1st, the present invention provides a single path, by gas circuit by setting air guide mechanism in ink outlet port for air circulation Separated with fluid path, reduce the air in ink, so as to reduce the generation of bubble in print procedure, reaching improves printing effect Purpose, at the same at ink outlet port set water clock ink flow path, the ink of water clock is guided in ink storage box, and is received into In cavernous body, avoid the ink of water clock from causing pollution not easy to clean to printer, thoroughly solve the problems, such as ink water clock；

2nd, the present invention is welded with air-guiding film at the first gas port in advance, the upper plate body of inventive shell can either on or off, Enclosure interior is cleaned with facilitating, leading below the ink supply port designs Dao Mo mechanisms in print cartridge, when to provided by the invention In ink-supplying ink cartridge during refilling, the ink outlet port of ink-joiner is connected with the ink supply port of the present invention, is injected into ink by ink supply port Lead in print cartridge, ink flows downward via multiple ink-guiding rods, and ink-guiding rod is to be obliquely installed to have water conservancy diversion to flowing downward for ink Effect, while ink contacts with this spring leaf on ink-guiding rod, drives spring leaf to swing, can be by the air in ink Discharge, the amount of dissolving in of air in ink is reduced, is further promoted in addition, the water conservancy diversion of ink-guiding rod can increase the downward impulsive force of ink The discharge of air in ink, the air in ink is greatly reduced, cause to beat so as to avoid producing bubble in print procedure Existing breakpoint is printed off, influences the fluency of printing；

3rd, complete ink injection after at ink supply port welded seal lid, in use, the air-guiding film at the first gas port is torn Go, the present invention is installed in printer, the jet of printer connects with the first end of the first catheter, and air passes through first Gas port sequentially enters air guide chamber, subsequently enters in airway tube group, eventually arrives at the top in housing, and the ink in print cartridge passes through First catheter is delivered in printer；The molecular sieve filled in spherical drying tube, partial moisture that can be in absorption air, two The airway tube group of part composition extends the path of gas circuit, and air can remove the ash in air on the tube wall Jing Guo airway tube group Dirt, airway tube group play a part of purifying air, and avoiding the dust deposit in air from entering ink influences printing effect；

4th, the present invention devises air guide mechanism and provides single path for air, and the fluid path of gas circuit and ink is separated, Air causes to produce a large amount of gas in print procedure by causing the air capacity increase in ink from ink in conventional technique Bubble, cause print breakpoint, influence printing effect, separately have in routine techniques also have by air inlet design on the top of print cartridge, it is necessary to Through hole is opened up in addition, and in order to avoid the ink in print cartridge is easily spilt from air inlet, needs to design leak-proof device in air inlet, this For air inlet in the side of stopper ring, ink is not easy the water clock from air inlet, and need not additionally be opened up on ink top logical in invention Hole；

5th, the present invention designs drain mechanism in the stopper ring first end of ink outlet port, and such as ink is spilt from ink outlet port when not in use When, the first end of ink from the first catheter is leaked in the groove of the first end of protective cover, and enters second by delivery hole In catheter, enter via the second catheter in ink storage box, by the ink receptive of water clock into ink storage box, do not have any pollution The situation of print cartridge occurs, and thoroughly solves the dripping problems of ink, and the present invention can also be put into adsorbable oil in the second catheter The meche or sponge strip of ink, can enter ink water conservancy diversion of the water clock in protective cover in ink storage box.

Further advantage, target and the feature of the present invention embodies part by following explanation, and part will also be by this The research and practice of invention and be understood by the person skilled in the art.

Brief description of the drawings

Fig. 1 is the structural representation of the print cartridge of Anti-bubble of the present invention；

Fig. 2 is the structural representation of Dao Mo mechanisms of the present invention；

Fig. 3 is the partial enlarged drawing of A in Fig. 1 of the present invention.

Embodiment

Below in conjunction with the accompanying drawings and embodiment the present invention is described in further detail, to make those skilled in the art's reference Specification word can be implemented according to this.

It should be appreciated that such as " having ", "comprising" and " comprising " term used herein do not allot one or more The presence or addition of individual other elements or its combination.

It should be noted that experimental method described in following embodiments, is conventional method unless otherwise specified, institute Reagent and material are stated, unless otherwise specified, is commercially obtained.

In the description of the invention, term " transverse direction ", " longitudinal direction ", " on ", " under ", "front", "rear", "left", "right", " perpendicular Directly ", the orientation of the instruction such as " level ", " top ", " bottom ", " interior ", " outer " or position relationship are based on orientation shown in the drawings or position Relation is put, is for only for ease of and is described of the invention and simplify description, is not that device or the element of instruction or hint meaning are necessary With specific orientation, with specific azimuth configuration and operation, therefore be not considered as limiting the invention.

As shown in Figures 1 to 3, the present invention provides a kind of print cartridge of Anti-bubble, and it includes：

Housing 1, it is the rectangular parallelepiped structure of closing, and the top of the housing 1 is provided with ink supply port 11, and the bottom of side is provided with Ink outlet port；

Dao Mo mechanisms 2, what it included that side and the inwall of housing 1 be detachably connected leads print cartridge 21 and is arranged at described Lead multiple ink-guiding rods 24 inside print cartridge 21, first pipe led the top of print cartridge 21 and connected provided with upper end with the ink supply port 11 Body 22, bottom are provided with the first through hole 23 led print cartridge 21 and connected inside the housing 1, under first body 22 The inside for leading print cartridge 21 is stretched at end so that the inside of print cartridge 21 of leading connects with the ink supply port 11；Ink is led described in multiple 24 top-down arrangement of bar, any being obliquely installed horizontal by certain angle of ink-guiding rod 24 are described to lead ink The floor projection of bar 24 is a vertical curve, and adjacent two ink-guiding rods 24 are staggered, two adjacent ink-guiding rods 24 upper end be separately fixed at it is described lead in two relative side walls of print cartridge 21, lower end does not contact with another inwall and has one respectively Fixed gap；The periphery of any ink-guiding rod 24 is provided with multiple tilting down along the axis direction of ink-guiding rod 24 arrangement Elastic blade 25；

Air guide mechanism, it include the cylinder 31 of the hollow structure of outer wall and the close-connected both ends open of the ink outlet port, The first catheter 33 and the airway tube group being set in inside the cylinder 31, the cylinder 31 are coaxially set with the ink outlet port Put, the first end of the cylinder 31 is located at outside the housing 1, and the second end is located inside the housing 1, the circle of the cylinder 31 All sides have certain thickness and its inside define air guide chamber, the ring surface of the first end of the cylinder 31 is provided with leads with described First gas port 32 of air cavity connection, the ring surface at the second end are provided with the second gas port connected with the air guide chamber；It is described The outer wall of first catheter 33 contacts with the inner wall sealing of the cylinder 31, and the first end of first catheter 33 is positioned at described The outside of housing 1 and the bottleneck structure tapered into for diameter, the second end is located inside the housing 1；

The airway tube group include the Part I 41 of L-shaped body that one end connects with second gas port and with it is described The Part II 42 of the other end connection of Part I 41, the first right-angle side of the Part I 41 is horizontally disposed and its end Portion is connected with second gas port, and the second right-angle side is set straight up；The Part II 42 is by two spherical drying tubes Composition, two spherical drying tubes are set from bottom to top, lower end and the Part II 42 of the spherical drying tube of bottom The end connection of second right-angle side, the lower end of the spherical drying tube on upper end and top connect, the top it is described spherical The upper end of drying tube extends upwardly to the top of the housing 1 and its upper end and is provided with check-valves；In two spherical drying tubes Accommodate molecular sieve；

Drain mechanism, its protective cover for including being connected with first catheter 33, the second catheter 54, be arranged on it is described Ink storage box 55 inside housing 1, the protective cover are the knot of cylinder 31 for the hollow truncated cone-shaped being coaxially disposed with the cylinder 31 Structure, the first end face diameter of the protective cover are less than the diameter of second end face, and the inwall of the protective cover is close to the portion of first end Bulkhead is thick to be less than close to the part at the second end, and the protective cover is divided into inwall has groove part 52 with concave surfaces, and inwall tool There is the convex portion 51 on convex surface, the bottom of the groove part 52 of the protective cover is provided with delivery hole 53；Second catheter 54 First end connected with the delivery hole 53, the second end extends to described through the side wall of the first end of first catheter 33 Inside housing 1, and stretch into the ink storage box 55, the ink storage box 55 is connected with the bottom of the housing 1 and led positioned at described Below tracheae group.

In the above-mentioned technical solutions, by setting air guide mechanism in ink outlet port, a single road is provided for air circulation Footpath, gas circuit and fluid path are separated, reduce the air in ink, so as to reduce the generation of bubble in print procedure, reach improvement The purpose of printing effect, at the same at ink outlet port set water clock ink flow path, the ink of water clock is guided to ink storage box In 55, and it is received into cavernous body, avoids the ink of water clock from causing pollution not easy to clean to printer, thoroughly solves ink drop The problem of leakage.

In another technical solution, the print cartridge of described Anti-bubble, the ink-guiding rod 24 and the surface of the blade 25 are equal Anti- adhesive coating material coated with a strata tetrafluoroethene.Ink adhesion is avoided to cause ink in ink-guiding rod 24 and the surface of blade 25 Waste.

In another technical solution, the print cartridge of described Anti-bubble, the lower end of any ink-guiding rod 24 with it is similar The distance between described side wall for leading print cartridge 21 is 5cm.

In another technical solution, the print cartridge of described Anti-bubble, the delivery hole 53, second catheter 54 are equal Do not contacted with first gas port 32, second gas port.Gas circuit and fluid path is completely isolated, and mutually not by shadow Ring.

In another technical solution, the print cartridge of described Anti-bubble, the cylinder 31 and the ink outlet port, described first Sealing gasket is equipped between catheter 33 and the cylinder 31.Prevent ink from the gap between cylinder 31 and ink outlet port, first Gap outflow between catheter 33 and cylinder 31.

In another technical solution, the print cartridge of described Anti-bubble, the protective cover and first catheter 33 Outer wall thread close to first end connects.Facilitate the installation and dismounting of protective cover.

In another technical solution, the print cartridge of described Anti-bubble, the ink storage box 55 is internally provided with cavernous body.Sea Continuous body can be good at adsorbing ink, prevent ink from rocking and being back in the second catheter 54 in ink storage box 55.

The operation principle of the present invention：The present invention is welded with air-guiding film at the first gas port 32 in advance, inventive shell 1 Upper plate body can either on or off, to facilitate to being cleaned inside housing 1, ink is led in the design in print cartridge 21 of leading below the ink supply port 11 Mechanism 2, when the refilling into ink-supplying ink cartridge provided by the invention, the ink outlet port of ink-joiner and the ink supply port 11 of the present invention are connected It is logical, ink is injected into by ink supply port 11 and led in print cartridge 21, ink flows downward is via multiple ink-guiding rods 24, ink-guiding rod 24 Be obliquely installed plays the role of water conservancy diversion to flowing downward for ink, while ink connects with this spring leaf 25 on ink-guiding rod 24 Touch, drive spring leaf 25 to swing, the air in ink can be discharged, the amount of dissolving in of air in ink be reduced, in addition, leading ink The water conservancy diversion of bar 24 can increase the discharge that the downward impulsive force of ink further promotes the air in ink, greatly reduce in ink Air, so as to avoid in print procedure produce bubble cause printing breakpoint occur, influence printing fluency；

Complete ink injection after at ink supply port 11 welded seal lid, in use, the present invention is installed in printer, beat The jet of print machine connects with the first end of the first catheter 33, and air sequentially enters air guide chamber by the first gas port 32, with Enter afterwards in airway tube group, eventually arrive at the top in housing 1, the ink in print cartridge is delivered to printing by the first catheter 33 In machine；The molecular sieve filled in spherical drying tube, partial moisture that can be in absorption air, airway tube group dimerous are prolonged The path of gas circuit is grown, air can remove the dust in air on the tube wall Jing Guo airway tube group, and airway tube group plays purification The effect of air, avoiding the dust deposit in air from entering ink influences printing effect；In the upper end of spherical drying tube, non-return is set Valve so that air can enter air guide chamber by the first gas port 32, then be entered by the second gas port via air guide mechanism Upper space in housing 1, so as to produce downward pressure to the ink inside housing 1, ink is passed through first from housing 1 Catheter 33 is delivered in printer, and check-valves can prevent ink in housing 1 and air return to air guide mechanism, into leading Air cavity is spilt from the first gas port 32；

The present invention devises air guide mechanism and provides single path for air, the fluid path of gas circuit and ink is separated, often Air causes to produce a large amount of gas in print procedure by causing the air capacity increase in ink from ink in the technology of rule Bubble, cause print breakpoint, influence printing effect, separately have in routine techniques also have by air inlet design on the top of print cartridge, it is necessary to Through hole 23 is opened up in addition, and in order to avoid the ink in print cartridge is easily spilt from air inlet, needs to design leak-proof device in air inlet, Air inlet is the first gas port 32 in the present invention, and on the ring surface of the first end of the cylinder 31, ink is not easy from air inlet Water clock in mouthful, and need not additionally open up through hole 23 on ink top；

The present invention designs drain mechanism in the stopper ring first end of ink outlet port, and such as ink is spilt from ink outlet port when not in use When, in the groove for the first end that the first end of ink from the first catheter 33 leaks to protective cover, and entered by delivery hole 53 In second catheter 54, enter via the second catheter 54 in ink storage box 55, by the ink receptive of water clock into ink storage box 55, no The situation for having any pollution print cartridge occurs, and thoroughly solves the dripping problems of ink, the present invention can also be in the second catheter 54 In be put into the meche or sponge strip of adsorbable ink, ink water conservancy diversion of the water clock in protective cover can be entered in ink storage box 55.

Number of devices and treatment scale described herein are the explanations for simplifying the present invention.To the present invention application, Modifications and variations will be readily apparent to persons skilled in the art.

Although embodiment of the present invention is disclosed as above, it is not restricted in specification and embodiment listed With it can be applied to various suitable the field of the invention completely, can be easily for those skilled in the art Other modification is realized, therefore under the universal limited without departing substantially from claim and equivalency range, it is of the invention and unlimited In specific details and shown here as the legend with description.

Claims

1. a kind of print cartridge of Anti-bubble, it is characterised in that it includes：

Housing, it is the rectangular parallelepiped structure of closing, and the top of the housing is provided with ink supply port, and the bottom of side is provided with ink outlet port；

Dao Mo mechanisms, what it included that side and the inner walls are detachably connected leads print cartridge and is arranged at described lead in print cartridge Multiple ink-guiding rods in portion, the print cartridge top of leading are provided with the first body that upper end connects with the ink supply port, and bottom is provided with institute To state and lead the first through hole that print cartridge connects with the enclosure interior, the inside for leading print cartridge is stretched into the lower end of first body, So that described lead connects inside print cartridge with the ink supply port；Multiple top-down arrangements of the ink-guiding rod, described in any one Ink-guiding rod is obliquely installed horizontal by certain angle, and the floor projection of the ink-guiding rod is a vertical curve, adjacent two The ink-guiding rod is staggered, and the upper ends of two adjacent ink-guiding rods, which is separately fixed at, described leads two relative sides of print cartridge On wall, lower end does not contact with another inwall and has a fixed gap respectively；The periphery of any ink-guiding rod is provided with multiple edges The elastic blade tilted down of the ink-guiding rod axis direction arrangement；

Air guide mechanism, it includes the cylinder of outer wall and the hollow structure of the close-connected both ends open of the ink outlet port, is set in The first catheter and airway tube group of the inner barrel, the cylinder are coaxially disposed with the ink outlet port, the cylinder First end is located at the hull outside, and the second end is located at the enclosure interior, the circumference side of the cylinder have certain thickness and Air guide chamber is defined inside it, the ring surface of the first end of the cylinder is provided with the first air guide connected with the air guide chamber Hole, the ring surface at the second end are provided with the second gas port connected with the air guide chamber；The outer wall of first catheter and institute The inner wall sealing contact of cylinder is stated, the first end of first catheter is located at the hull outside and is what diameter tapered into Bottleneck structure, the second end are located at the enclosure interior；

The airway tube group include the Part I of L-shaped body that one end connects with second gas port and with described first The Part II of the other end connection divided, the first right-angle side of the Part I is horizontally disposed and its end and described second Gas port is connected, and the second right-angle side is set straight up；The Part II is made up of two spherical drying tubes, and two spherical dry Dry pipe is set from bottom to top, and the lower end of the spherical drying tube of bottom and the end of the second right-angle side of the Part II connect Connect, the lower end connection of the spherical drying tube on upper end and top, the upper end of the spherical drying tube on the top is prolonged upwards Extend the top of the housing and its upper end and be provided with check-valves；Molecular sieve is accommodated in two spherical drying tubes；

Drain mechanism, its protective cover for including being connected with the cylinder first end, the second catheter and is arranged on the housing Internal ink storage box, the protective cover are the tube structure for the hollow truncated cone-shaped being coaxially disposed with the cylinder, the protection The first end face diameter of cover is less than the diameter of second end face, and the inwall of the protective cover is less than close to the part wall thickness of first end to be leaned on The part at nearly second end, the protective cover is divided into inwall and has groove part with concave surfaces, and inwall has the projection portion on convex surface Point, the bottom of the groove part of the protective cover is provided with delivery hole；The first end of second catheter connects with the delivery hole Logical, the second end extends to the enclosure interior through the side wall of the first end of first catheter, and stretches into the ink storage box In, the ink storage box is connected with the bottom of the housing and below the airway tube group.

2. the print cartridge of Anti-bubble as claimed in claim 1, it is characterised in that the ink-guiding rod and the blade surface are coated with There is the anti-adhesive coating material of a strata tetrafluoroethene.

3. the print cartridge of Anti-bubble as claimed in claim 2, it is characterised in that the lower end of any ink-guiding rod and similar institute It is 5cm to state and lead the distance between side wall for print cartridge.

4. the print cartridge of Anti-bubble as claimed in claim 3, it is characterised in that the delivery hole, second catheter with First gas port, second gas port do not contact.

5. the print cartridge of Anti-bubble as claimed in claim 4, it is characterised in that the cylinder and the ink outlet port, described first Sealing gasket is equipped between catheter and the cylinder.

6. the print cartridge of Anti-bubble as claimed in claim 5, it is characterised in that the protective cover leans on first catheter The outer wall thread connection of nearly first end.

7. the print cartridge of Anti-bubble as claimed in claim 6, it is characterised in that the ink storage box is internally provided with cavernous body.