CN208074211U - Control valve for fluids and print cartridge - Google Patents
Control valve for fluids and print cartridge Download PDFInfo
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- CN208074211U CN208074211U CN201820424531.7U CN201820424531U CN208074211U CN 208074211 U CN208074211 U CN 208074211U CN 201820424531 U CN201820424531 U CN 201820424531U CN 208074211 U CN208074211 U CN 208074211U
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Abstract
This application involves inkjet printing technology field more particularly to a kind of control valves for fluids and print cartridge.Control valve for fluids provided herein includes valve body, valve film and movable pressure part, the valve body includes valve deck and valve seat, valve deck is covered on valve seat, and there is valve chamber made of being surrounded by the inner wall of valve deck and valve seat, valve seat to be equipped with the through-hole of the inking chamber of connection print cartridge in valve body；The valve film made of elastic material is set in valve chamber, and the edge seal of the valve film is connected to the inner wall of the valve seat；Control valve for fluids is additionally provided with the stomata for air inlet or exhaust；Movable pressure part is set to the top of valve film, and one end of the movable pressure part is connected to valve body, which moves towards the direction that the valve film moves, to block or open stomata.The control valve for fluids solves the problems such as ink exudation, pollution printer and wasted ink for causing since gas expansion in print cartridge, gas cannot be discharged.
Description
Technical field
This application involves inkjet printing technology field more particularly to a kind of control valves for fluids and print cartridge.
Background technology
In general, in control liquid container there are many modes of negative pressure, common are using porous material control negative pressure, setting
There is the constant pressure chamber control negative pressure of capillary channel and negative pressure is controlled by valve body.In inkjet printing technology field, generally use passes through
Valve body controls the mode of negative pressure in print cartridge, specifically, the valve body of the disengaging of control gas and control ink disengaging can be arranged, leads to
Often, the side of the control valve for fluids of sealing is connected to ambient atmosphere, and the other side is connected to inking chamber, should in valve under closed force effect
Valve body is closed.With the consumption of ink, negative pressure increases in print cartridge, and external atmosphere pressure applies pressure to the control valve for fluids, makes valve
Body is opened, and outside air enters inside print cartridge, adjusts negative pressure.
But Ink Cartridge inner pressure be highly susceptible to external environment variation influence, such as vibration, air pressure variation or
The variation etc. of temperature.If print cartridge is in off working state at this time, cause inside print cartridge since ambient temperature such as increases at the factors suddenly
Gas expansion, the active force that the gas of expansion applies the valve body is identical from closed force direction as valve body, leads to valve seal
Tighter, gas cannot be discharged by the control valve for fluids, cause print cartridge internal negative pressure excessive, and then ink is caused to be oozed from ink outlet port
The problems such as going out, causing wasted ink, pollution printer, pollution environment.
Utility model content
This application provides a kind of control valve for fluids and print cartridges, and to solve the expansion of print cartridge internal gas, gas cannot be discharged,
The problems such as causing print cartridge air pressure inside excessive, being oozed out so as to cause ink, pollute printer and wasted ink.
The first aspect of the application provides a kind of control valve for fluids, is used for print cartridge, including：
Valve body, the valve body include valve deck and valve seat, and the valve deck is covered on the valve seat, has valve in the valve body
Chamber, the valve chamber are surrounded by the inner wall of the valve deck and the valve seat at the valve seat is equipped with through-hole, and the through-hole is connected to institute
State the inking chamber of print cartridge；
Valve film, the valve film are set in the valve chamber, and the valve film is made of elastic material, and the edge of the valve film
It is sealedly attached to the inner wall of the valve seat；
The control valve for fluids is additionally provided with stomata, and the stomata is used for air inlet or exhaust；
Movable pressure part, the movable pressure part are set to the top of the valve film, and one end of the movable pressure part
It is connected to the valve body, the movable pressure part is moved towards the direction that the valve film moves, to block or open the stomata.
Further, the valve deck is equipped with air channel, has the first venting channels between the valve deck and the valve film,
The stomata is the air admission hole being opened on the valve film, and the air admission hole passes through first venting channels and the air channel
It communicates.
Further, the movable pressure part is lever construction, and one end of the lever construction is fixedly connected on the valve
Body, the other end block on the air admission hole.
Further, the valve film towards the side of the valve deck there is protrusion, the air admission hole to run through the protrusion.
Further, the movable pressure part is lever construction, and one end of the lever construction is fixedly connected on the valve
Body, the other end are equipped with convex block towards the side of the air admission hole, and the convex block is for blocking or opening the air admission hole.
Further, cylinder, described cylinder one end and the valve are provided between the valve film and the bottom of the valve seat
The bottom of seat is fixedly connected, and the other end stretches to the air inlet position, and one end that the cylinder stretches to the air inlet position has
Concave structure, and the concave structure extends to the peripheral surface of the cylinder.
Further, the second elastic component, second elasticity are provided between the valve film and the bottom of the valve seat
One end of part is connected to the air inlet position, and the other end is fixedly connected with the bottom of the valve seat.
Further, the movable pressure part is the first elastic component, and one end of first elastic component is fixedly connected on
The valve deck, the other end are fixedly connected on the valve film；
The stomata is the gas vent being opened on the valve seat, and first elastic component passes through described in valve film closure
Gas vent.
Further, the stomata is the gas vent being opened on the valve seat, and the valve film is towards the gas vent
Side there is boss structure, the boss structure is for blocking or open the gas vent.
The second aspect of the application provides one other fluid control valve, is used for print cartridge, including：
Valve body, the valve body include valve deck and valve seat, and the valve deck is covered on the valve seat, has valve in the valve body
Chamber, the valve chamber are surrounded by the inner wall of the valve deck and the valve seat at the valve seat is equipped with through-hole, and the through-hole is connected to institute
The inking chamber of print cartridge is stated, the valve seat is equipped with gas vent；
Valve film, the valve film are set in the valve chamber, and the valve film is made of elastic material, and the edge of the valve film
It is sealedly attached to the inner wall of the valve seat, the valve film has boss structure, the boss knot towards the side of the gas vent
Structure is for blocking or opening the gas vent.
The third aspect of the application provides a kind of print cartridge, including it is any one of aforementioned described in control valve for fluids, also wrap
Cover is included, the cover covering is arranged on the valve deck, and the cover is equipped with gas port, the gas port and the stomata phase
It is logical.
Technical solution provided by the present application can reach following advantageous effect：
Control valve for fluids provided herein is used for print cartridge, which includes valve body, valve film and movable pressure
Part, the valve body include valve deck and valve seat, have the valve chamber surrounded by the inner wall of valve deck and valve seat in valve body, by elastic material system
At valve film be set in valve chamber, valve seat be equipped with through-hole, the through-hole be connected to print cartridge inking chamber, when ink intracavity gas is swollen
It is swollen, larger positive pressure is generated, gas enters valve chamber by through-hole, and after the valve film made of elastic material is jacked up by gas, pressure is lived
Moving part is movable therewith, while gas is discharged also by stomata, and as gas is gradually discharged, movable pressure part automatically resets therewith,
After gas discharge, movable pressure part blocks stomata, and the positive pressure in inking chamber is controlled, and ink would not be oozed out from ink outlet port,
It also would not wasted ink, pollution printer and pollution environment.
It should be understood that above general description and following detailed description is merely exemplary, this can not be limited
Application.
Description of the drawings
Fig. 1 is by a kind of explosive view for the print cartridge that embodiment provides of the application；
Fig. 2 is by a kind of explosive view for the control valve for fluids that embodiment provides of the application；
Sectional views of the Fig. 3 by the part-structure under a kind of third state for the print cartridge that embodiment provides of the application；
Sectional views of the Fig. 4 by the part-structure under a kind of second state of the print cartridge that embodiment provides of the application；
The sectional view of the part-structure for the print cartridge that Fig. 5 is provided by the application another kind embodiment；Fig. 6 is that the application is another
The sectional view of the part-structure for the print cartridge that kind embodiment is provided；The print cartridge that Fig. 7 is provided by the application another embodiment
Explosive view；
The sectional view for the print cartridge that Fig. 8 is provided by the application another embodiment；
The sectional view for the print cartridge that Fig. 9 is provided by the application another embodiment；
The sectional view for the print cartridge that Figure 10 is provided by the application another embodiment；
The sectional view of the part-structure for the print cartridge that Figure 11 is provided by the application another embodiment；Figure 12 be the application again
A kind of sectional view for the print cartridge that embodiment is provided.
Reference numeral：
1- print cartridges；
10- covers；
110- gas ports；
20- inking chambers；
210- ink outlet ports；
30- chips；
40- control valves for fluids；
400- diaphragm seals；
410- valve decks；
411- air channels；
412- screens；
420- valve seats；
421- through-holes
422- gas vents；
430- valve chambers；
440- valve films；
441- air admission holes；
442- protrusions；
443- boss structures；
The first venting channels of 450-；
460- movable pressure parts；
461- lever constructions；
4611- convex blocks；
The first elastic components of 462-；
The second elastic components of 470-；
480- cylinders；
481- concave structures；
490- pressing plates.
The drawings herein are incorporated into the specification and forms part of this specification, and shows the implementation for meeting the application
Example, and the principle together with specification for explaining the application.
Specific implementation mode
It is described in further detail below by specific embodiment and in conjunction with attached drawing to the application.
As shown in Figure 1, the embodiment of the present application provides a kind of print cartridge 1, print cartridge 1 is used to provide ink to ink-jet printer,
The print cartridge 1 may include box body, cover 10, inking chamber 20, chip 30 and control valve for fluids 40.Cover 10 is covered on box body,
Cover 10 can be equipped with gas port 110, which can be such that the inking chamber 20 inside print cartridge 1 is communicated with outside atmosphere, and
For supplementing or being discharged the gas in inking chamber 20；Inking chamber 20 is located in box body, and for storing ink, inking chamber 20 is equipped with out
Black mouth 210, the ink outlet port 210 are used for the providing ink in inking chamber 20 to printing device, such as print head, to realize spray
The print job of black printer；Chip 30 is set on box body, is used for storage print information；Control valve for fluids 40 is located at box body
Interior, for controlling the balance of the positive/negative-pressure in print cartridge 1, control valve for fluids 40 can be by controlling gas or liquid flowing to control
Pressure equilibrium in print cartridge 1, the embodiment of the present application are described in detail for controlling gas flowing.
As shown in Figures 2 to 4, above-mentioned control valve for fluids 40 includes diaphragm seal 400, valve body, valve film 440 and movable pressure
Part 460.The valve body includes valve deck 410 and valve seat 420, and valve deck 410 is covered on valve seat 420, valve seat 420 can with box body one at
Type, valve body is interior, and there is valve chamber 430, valve chamber 430 to be surrounded by the inner wall of valve deck 410 and valve seat 420 at valve chamber 430 can be used for storing
Gas and liquid, valve seat 420 are equipped with through-hole 421, which is connected to aforementioned inking chamber 20, for being discharged or supplementing ink
Gas in chamber 20, the valve deck 410 are covered by aforementioned cover 10, and valve deck 410 is sealed on cover 10 by diaphragm seal 400, valve deck
It is also provided with screens 412 on 410, valve deck 410 is stuck on cover 10；Valve film 440 is set in valve chamber 430, valve film 440
It is made of elastic material, such as silica gel, plastic cement etc., and the edge seal of valve film 440 is connected to the inner wall of valve seat 420；The fluid
Control valve 40 is additionally provided with stomata, which is used for air inlet or exhaust, which can be set on valve film 440, can also set
It is placed on valve body；As shown in figure 5, movable pressure part 460 is set to the top of valve film 440, and one end of movable pressure part 460 is solid
Surely it is connected to valve body, which can specifically be integrally formed with valve deck 410, and then one end is made to be fixedly connected on
Valve body, the mode being fixedly connected certainly can also include welding, splicing, riveting etc., which can be by PP materials
This material that can be automatically reset is made, which can also be flexibly connected with valve body；The movable pressure part
460 move towards the direction that valve film 440 moves, to block or open aforementioned gas holes.Specifically, in the first state, which lives
Moving part 460 can block the stomata, and valve film 440 is close to movable pressure part 460 by from closed power；In the second condition, valve film
440 apply to the movable pressure part 460, active force, which moves with the direction that valve film 440 moves, to beat
Open the stomata.Aforementioned first state is the positive/negative-pressure equilibrium state in print cartridge 1, and aforementioned second state is just pressing through in print cartridge 1
When big, the state being vented is needed.
When above-mentioned control valve for fluids 40 is in the second state, as shown in figure 4, arrow in the discharge path such as figure of gas
Shown, the gas expansion in inking chamber 20 generates larger positive pressure, and gas enters valve chamber 430 by through-hole 421, and valve film 440 is by gas
After body jacks up, movable pressure part 460 is movable therewith, while gas is discharged also by stomata, and as gas is gradually discharged, pressure is lived
Moving part 460 automatically resets therewith, and after gas discharge, movable pressure part 460 blocks stomata, and the positive pressure in inking chamber 20 is controlled
System, ink would not be oozed out from ink outlet port, also would not wasted ink, pollution printer and pollution environment.
Further, the valve deck 410 in above-described embodiment is equipped with air channel 411, between the valve deck 410 and valve film 440
With the first venting channels 450, in the present embodiment, stomata is the air admission hole 441 being opened on valve film 440, the air admission hole 441
It is communicated with one end of air channel 411 by first venting channels 450, the other end of the air channel 411 and leading on cover 10
Stomata 110 communicates, and so that the gas in valve chamber 430 is discharged by the air channel 411, ambient atmosphere can also pass through the ventilation
Slot 411 enters.Such detour setting, can effectively prevent introduced contaminants to enter in inking chamber 20, ensure beating for ink-jet printer
It prints quality and ink-jet printer is without damage, it is possibility to have effect prevents the ink in inking chamber 20 from oozing out, and pollutes printer, wave
Take ink.
A kind of specific embodiment, as shown in fig. 6, the movable pressure part 460 can be lever construction 461, the lever construction
461 one end can be connected to valve body, and in the case of a kind of, one end of the lever construction 461 can specifically be connected to valve seat 420,
The other end blocks on air admission hole 441, which is located at the lower section of valve deck 410, and the top of valve film 440 is another
In the case of, as shown in figure 5, the lever construction 461 can be integrally formed with valve deck 410.The structure of lever construction 461 is simple, former
Manage understandable, lever construction 461 has the stronger ability to automatically reset, implements convenient, effectively.
In order to reinforce the transmission efficiency and intensity of above-mentioned lever construction 461 and 440 direct active force of valve film, and improve into
The sealing effect of stomata 441.A kind of specific embodiment is that the valve film 440 has protrusion 442 towards the side of valve deck 410,
And air admission hole 441 runs through the protrusion 442.As shown in figure 4, in the second condition, gas applies active force to valve film 440, makes
Protrusion 442 is targetedly deformed upon along 410 direction of valve deck, to 461 envelope of open-top lever construction faster, stronger
One end of air admission hole 441 is got lodged in, lever construction 461 is rotated around the one end being fixedly connected so that block the one of air admission hole 441
End in contact diaphragm seal 400 so that there are gap between lever construction 461 and protrusion 442, gas through the air admission hole 441 from
The gap is flowed out, and flows out by gas port that print cartridge 1 is external, and after positive pressure discharge in print cartridge 1, which can be according to
It is restored to reset condition by own resilient, continues to be close to the protrusion 442, air admission hole 441 keeps sealing state.
As shown in figure 3, the access path of gas is as shown by arrows in figure, in above-described embodiment, in a third condition, also
It is that negative pressure in print cartridge 1 is excessive, requires supplementation with the state of gas.During normal print, the ink supply needle on printer injects
Ink outlet port 210, printer generate suction force, extract the ink in inking chamber 20, and inking chamber 20 can make because of the outflow of ink
Its internal pressure reduction, if adjusting the negative pressure inside print cartridge 1 not in time, printer can make pressure drop to the suction force of print cartridge 1
As low as printer can not normal use, cause the paper printed to have the problem of broken string, it is serious print head to be caused to damage.
Pressure in inking chamber 20 is close to the valve film 440 of bar bumper structure 461 caused by pressure difference when reducing to a certain extent
Active force pulls to 420 direction of valve seat, and the air admission hole 441 on valve film 440 is pulled away from bar bumper structure 461, is in aeration status, air
The first venting channels 450, air channel 411, air admission hole 441, through-hole 421 are flowed into through gas port 110, and is flowed into inking chamber 20,
To make the pressure of inking chamber 20 increase, with gradually rising for pressure, valve film 440 resets to raw bits by own resilient
It sets, the protrusion 442 on valve film 440 is tightly attached to again on lever construction 461, is in sealing state again.In the mistake for continuing printing
The pressure of Cheng Zhong, inking chamber 20 reduce again, to make the gap between valve deck 410 and valve film 440 generate again, in air
Gas inject again in inking chamber 20.During entire printing, the process in cycles, until print state knot
Beam.
Another specific embodiment is, as shown in fig. 6, lever construction 461 be equipped with towards the side of air admission hole 441 it is convex
Block 4611, the convex block 4611 is for blocking or opening air admission hole 441, and in the first state, convex block 4611 blocks the air admission hole
441；In the second condition, convex block 4611 is jacked up by gas, to open the air admission hole 441.
Further, as shown in figure 12, cylinder 480 is provided between valve film 440 and the bottom of valve seat 420, cylinder 480
One end is fixedly connected with the bottom of valve seat 420 or is integrally formed with valve seat 420, and the other end stretches at air admission hole 441, and cylinder
480, which stretch to one end at air admission hole 441, has concave structure 481, and concave structure 481 extends to the peripheral surface of cylinder 480.By
The peripheral surface of cylinder 480 is extended in the concave structure 481, it, can when occurring the case where the protrusion of valve film 440 is come by suck-back
So that air admission hole 441 is not blocked, it is in aeration status.
Further, the cylinder 480 in above-described embodiment stretch to one end at air admission hole 441 can be with air admission hole 441
Place abuts against, and raised the case where being come by suck-back of valve film 440 can be effectively prevent to occur in this way.
As shown in figure 11, also a kind of specific in order to occur the case where effectivelying prevent the protrusion of valve film 440 to be come by suck-back
Embodiment be that the second elastic component 470 can be provided between valve film 440 and the bottom of valve seat 420, second elastic component 470
One end be connected at air admission hole 441, the other end is fixedly connected with the bottom of valve seat 420.Second elastic component 470 can be by soft
Property material is made, and the surface of the valve film 440 contacted with the second elastic component 470 can be effectively prevent to be damaged in this way.Second elasticity
Another effect of part 470 is that after generating negative pressure and tonifying Qi in print cartridge 1, the elasticity of the second elastic component 470 contributes to valve film to return to
From air-tight state, i.e. first state.
In addition, as shown in Figure 7 and Figure 8, movable pressure part 460 can also be the first elastic component 462, first elastic component
462 one end is fixedly connected on valve deck 410, and the other end is fixedly connected on valve film 440, which is to be opened on valve seat 420
Gas vent 422, first elastic component 462 block the gas vent 422 by valve film 440.As shown in figure 8, the discharge path of gas
As shown by arrows in figure, in the second condition, the gas expansion in inking chamber 20, gas are entered by through-hole 421 in valve body, to
Valve film 440 applies top power, which is also compressed therewith, and gap, gas are generated between valve film 440 and gas vent 422
Body is discharged from the gap, which also communicates with gas port 110, and gas is external by 110 delivery cassette of gas port, with
Gas is gradually discharged, and first elastic component 462 and valve film 440 automatically reset under the action of natural resiliency power, the first elastic component
462 can help valve film 440 to reset, and promote the efficiency of its reset.On this basis, between gas vent 422 and gas port 110
The second venting channels are also provided with, ink can be effectively prevent to ooze out in this way.Similarly, air channel 411 and gas port above-mentioned
The second venting channels can also be equipped between 110.Aforementioned the first elastic component 462 being previously mentioned and the second elastic component 470 can be with
Specially spring.
On the basis of the above embodiments, as shown in figure 9, the discharge path of gas is as shown by arrows in figure, the first elasticity
Part 462 can be fixedly connected by pressing plate 490 with valve film 440.It can effectively prevent the valve contacted with the first elastic component 462 in this way
The surface of film 440 is damaged.
One kind further embodiment is, as shown in Figure 10, when stomata is the gas vent 422 being opened on valve seat 420
When, valve film 440 can have boss structure 443 towards the side of gas vent 422；In the first state, 443 envelope of boss structure
Block up the gas vent 422；In the second condition, boss structure 443 is jacked up by gas, to open gas vent 422.The boss structure
443 can effectively improve the sealing effect of gas vent 422, to effectively prevent internal gas and ink leakage, and prevent outer
Boundary's gas and impurity enter.
One other fluid control valve 40 provided by the present application, compared with last embodiment, which omits movable pressure parts 460
Structure, other same, i.e., when stomata is the gas vent 422 being opened on valve seat 420, valve film 440 is towards gas vent 422
Side has boss structure 443, and the boss structure 443 is for blocking or opening gas vent 422, specifically, in first state
Under, boss structure 443 blocks the gas vent 422；In the second condition, boss structure 443 is jacked up by gas, to open gas vent
422.The boss structure 443 can effectively improve the sealing effect of gas vent 422, to effectively prevent internal gas and ink to let out
Leakage, and prevent ambient atmos and impurity from entering.Meanwhile which omits movable pressure parts 460 can simplify control valve for fluids 40
Structure, reduce cost.
Unlike above example, when control valve for fluids 40 is by controlling liquid flowing to control pressure in print cartridge 1
When, can have in print cartridge 1 there are two ink storage chamber, one of them is inking chamber above-mentioned, another can be with above-described embodiment
Gas port connects, to store the liquid of gas port discharge.
The foregoing is merely the preferred embodiments of the application, are not intended to limit this application, for the skill of this field
For art personnel, the application can have various modifications and variations.Within the spirit and principles of this application, any made by repair
Change, equivalent replacement, improvement etc., should be included within the protection domain of the application.
Claims (11)
1. a kind of control valve for fluids is used for print cartridge, which is characterized in that including：
Valve body, the valve body include valve deck and valve seat, and the valve deck is covered on the valve seat, has valve chamber, institute in the valve body
Valve chamber is stated to be surrounded at the valve seat is equipped with through-hole, and the through-hole is connected to the ink by the inner wall of the valve deck and the valve seat
The inking chamber of box；
Valve film, the valve film are set in the valve chamber, and the valve film is made of elastic material, and the edge seal of the valve film
It is connected to the inner wall of the valve seat；
The control valve for fluids is additionally provided with stomata, and the stomata is used for air inlet or exhaust；
Movable pressure part, the movable pressure part are set to the top of the valve film, and one end connection of the movable pressure part
In the valve body, the movable pressure part is moved towards the direction that the valve film moves, to block or open the stomata.
2. control valve for fluids according to claim 1, which is characterized in that
The valve deck is equipped with air channel, and it is to open to have the first venting channels, the stomata between the valve deck and the valve film
Air admission hole on the valve film, the air admission hole are communicated by first venting channels with the air channel.
3. control valve for fluids according to claim 2, which is characterized in that
The movable pressure part is lever construction, and one end of the lever construction is fixedly connected on the valve body, and the other end blocks
On the air admission hole.
4. control valve for fluids according to claim 3, which is characterized in that
The valve film towards the side of the valve deck there is protrusion, the air admission hole to run through the protrusion.
5. control valve for fluids according to claim 2, which is characterized in that
The movable pressure part is lever construction, and one end of the lever construction is fixedly connected on the valve body, other end direction
The side of the air admission hole is equipped with convex block, and the convex block is for blocking or opening the air admission hole.
6. control valve for fluids according to claim 4 or 5, which is characterized in that
Cylinder is provided between the valve film and the bottom of the valve seat, company is fixed in described cylinder one end and the bottom of the valve seat
It connects, the other end stretches to the air inlet position, and one end that the cylinder stretches to the air inlet position has concave structure, and described
Concave structure extends to the peripheral surface of the cylinder.
7. control valve for fluids according to claim 2, which is characterized in that
The second elastic component is provided between the valve film and the bottom of the valve seat, one end of second elastic component is connected to institute
Air inlet position is stated, the other end is fixedly connected with the bottom of the valve seat.
8. control valve for fluids according to claim 1, which is characterized in that
The movable pressure part is the first elastic component, and one end of first elastic component is connected to the valve deck, other end connection
In the valve film；
The stomata is the gas vent being opened on the valve seat, and first elastic component blocks the exhaust by the valve film
Hole.
9. control valve for fluids according to claim 1, which is characterized in that
The stomata is the gas vent being opened on the valve seat, and the valve film has boss knot towards the side of the gas vent
Structure, the boss structure is for blocking or opening the gas vent.
10. a kind of control valve for fluids is used for print cartridge, which is characterized in that including：
Valve body, the valve body include valve deck and valve seat, and the valve deck is covered on the valve seat, has valve chamber, institute in the valve body
Valve chamber is stated to be surrounded at the valve seat is equipped with through-hole, and the through-hole is connected to the ink by the inner wall of the valve deck and the valve seat
The inking chamber of box, the valve seat are equipped with gas vent；
Valve film, the valve film are set in the valve chamber, and the valve film is made of elastic material, and the edge seal of the valve film
It is connected to the inner wall of the valve seat, the valve film towards the side of the gas vent there is boss structure, the boss structure to use
In blocking or open the gas vent.
11. a kind of print cartridge, which is characterized in that further include face including the control valve for fluids described in any one of claim 1-10
Lid, the cover covering are arranged on the valve deck, and the cover is equipped with gas port, and the gas port is communicated with the stomata.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820424531.7U CN208074211U (en) | 2018-03-27 | 2018-03-27 | Control valve for fluids and print cartridge |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820424531.7U CN208074211U (en) | 2018-03-27 | 2018-03-27 | Control valve for fluids and print cartridge |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208074211U true CN208074211U (en) | 2018-11-09 |
Family
ID=64047036
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820424531.7U Active CN208074211U (en) | 2018-03-27 | 2018-03-27 | Control valve for fluids and print cartridge |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208074211U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110715082A (en) * | 2019-09-25 | 2020-01-21 | 杭州旗捷科技有限公司 | Valve assembly and ink cartridge having the same |
| WO2024037518A1 (en) * | 2022-08-15 | 2024-02-22 | 珠海纳思达企业管理有限公司 | Ink supply device and ink filling method therefor |
-
2018
- 2018-03-27 CN CN201820424531.7U patent/CN208074211U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110715082A (en) * | 2019-09-25 | 2020-01-21 | 杭州旗捷科技有限公司 | Valve assembly and ink cartridge having the same |
| US11807014B2 (en) | 2019-09-25 | 2023-11-07 | Hangzhou Chipjet Technology Co., Ltd. | Valve assembly and ink cartridge with the valve assembly |
| WO2024037518A1 (en) * | 2022-08-15 | 2024-02-22 | 珠海纳思达企业管理有限公司 | Ink supply device and ink filling method therefor |
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