CN106313901B - A kind of air-pressure balancing device suitable for print cartridge - Google Patents
A kind of air-pressure balancing device suitable for print cartridge Download PDFInfo
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- CN106313901B CN106313901B CN201510347578.9A CN201510347578A CN106313901B CN 106313901 B CN106313901 B CN 106313901B CN 201510347578 A CN201510347578 A CN 201510347578A CN 106313901 B CN106313901 B CN 106313901B
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Abstract
The present invention is a kind of air-pressure balancing device suitable for print cartridge, and air-pressure balancing device is made of shell structure, air pressure balance agent structure；The flat agent structure of air pressure is made of sealing deformation device, air flow chamber, a circle side wall, round platform, gas port；The application devises a kind of convenient for disassembly and assembly, the pressure equaliser of ink box cover top, print cartridge interior surface lower part can be mounted on, and the pressure equaliser is simple in structure, merely with the leakproofness and morphotropism design feature of this body structure of elastic element, it will be able to reach pressure balanced technique effect in good print cartridge.
Description
Technical field
The present invention relates to a kind of air-pressure balancing devices suitable for print cartridge.
Background technology
Current market sales of ink-jet printer, the consumptive material used be print cartridge, print cartridge can be divided into band nozzle and without
The box body of nozzle, inside are equipped with sponge, for adsorbing ink for being used when printing print printing, when user is using the printer ink cartridge
When, after internal ink is finished, because internal sponge occupies print cartridge space, ink is voluntarily such as added, adds ink amount excessive, is more than sponge
Adsorption capacity, ink can not be printed from ink cartridge nozzle mouth or the outside seepage of ink outlet port, print cartridge, such as reduce plus ink is measured, inner air
It can not all exclude, printing character or pattern is caused to cut in and out, printing effect is undesirable, can only abandon, not only print cost
It is high, while serious pollution also is generated to surrounding enviroment, residual ink is extremely serious to the pollution of water resource, and plastic casing is to soil
The influence of earth does not meet the whole world it is also obvious that need to degrade for a long time, environmental protection, low-carbon, energy-efficient requirement.
In the prior art, the print cartridge of ink storage cavity pressure can be adjusted by existing, and mostly use the structures such as spring, piston as air pressure
The structure of a part for balancing device, entire air-pressure balancing device is complex, and spring failure is to air pressure during long-time service
Balancing this effect can impact, such as patent:CN00100899.4；The prior arts such as CN02803630.1.
In addition, in the prior art, the structure that print cartridge and pressure equaliser are separated is rare, and the application devises one kind
It is convenient for disassembly and assembly, the pressure equaliser of ink box cover top, print cartridge interior surface lower part, and the pressure equaliser can be mounted on
It is simple in structure, merely with the leakproofness and morphotropism design feature of this body structure of elastic element, it will be able to reach good ink
Pressure balanced technique effect in box.
Invention content
The day of the present invention is to overcome the shortage of prior art, and day of the invention is to provide a kind of gas suitable for print cartridge
Press balancing device, which is used primarily in device on ink-jet printer cartridge, can be mounted on as needed ink box cover top,
The pressure equaliser of print cartridge interior surface lower part, and the pressure equaliser is simple in structure, merely with elastic element itself
The leakproofness and morphotropism design feature of structure, it will be able to reach pressure balanced technique effect in good print cartridge.
It realizes without sponge inside print cartridge, but air pressure keeps stablizing, and voluntarily can add ink by iterative cycles, realize the maximum of the print cartridge
Utility value reduces printing cost, reaches energy saving, environmentally friendly advantage.
And above-mentioned technique effect has already passed through experiment and is verified, and in order to achieve the above object, technical scheme of the present invention
It is such；
A kind of air-pressure balancing device suitable for print cartridge, it is characterised in that：
Air-pressure balancing device is made of upper shell structure, air pressure balance agent structure；
Air pressure balance agent structure is made of sealing deformation device, air flow chamber, a circle side wall, round platform, gas port；
Upper shell inside configuration is equipped with a through-hole, and through-hole is communicated with air flow chamber, and is communicated with the air admission hole of ink box cover；
Upper shell structure is integrated with the assembly of air pressure balance agent structure and is installed on inside print cartridge, the upper table of upper shell structure
Face is fixed on the air inlet hole site of the inner surface of ink box cover；
Entire air-pressure balancing device is installed below ink box cover, is located in print cartridge；
Air pressure balance agent structure is made of a circle side wall, round platform, air flow chamber, sealing deformation device；One circle side wall will be justified
Platform, air flow chamber package；The space formed between the inner surface of upper shell structure, a circle side wall, round platform three is air flow chamber；
Air flow chamber is communicated with the air admission hole on ink box cover；
Round platform is located at the centre position in side wall, and a circle side wall is divided into top and the bottom；Round platform center there are one mounting hole,
There are multiple gas ports, the outermost of round platform lower surface to be with a circle ring-shaped step on round platform；
Sealing deformation device is made of fixed end structure and sealing deformation bottom；Sealing deformation bottom and fixed end knot
Structure is made of elastic material；Sealing deformation bottom with fixed end structure be it is integrally formed,
Fixed end structure is made of following each section：One section of column, a diameter are more than the fixation upper end of column, one
Section diameter is more than the fixation lower end of column；Fixed upper end and fixed lower end make pillar segment just be connected in the fixation on round platform
In hole, and fixed upper end is head-up, and fixed lower end is arranged towards print cartridge internal direction；
Sealing deformation bottom is located at the lower section of air flow chamber and round platform；Under the fixation of sealing deformation bottom and fixed end structure
End is connected；
Sealing deformation bottom is substantially disc structure, a sealing deformation bottom to be had from its central point toward in the radial direction
One encloses the deformable seal ring toward fixed end structure opposite direction protrusion；
In addition, the central point of self sealss deformation bottom, in the periphery of deformable seal ring, also has a circle toward in the radial direction
Toward the sealing ring of fixed end structure direction protrusion；Point on sealing ring is seal point, the seal point of sealing ring and round platform
Ring-shaped step offset and, when sealing ring being made not yet to generate deformation just, sealing ring realization gas port sealing.
Upper shell structure is connected together with air pressure balance agent structure by supersonic welding, and welding between the two is not stayed
Gap.
Air guide hole number is 2-8, and gas port is evenly arranged on round platform.
Air-pressure balancing device is by upper shell structure, air pressure balance agent structure, lower housing structure composition；
Air pressure balance agent structure is made of sealing deformation device, air flow chamber, a circle side wall, round platform, gas port；Upper shell
Structure, air pressure balance agent structure, lower housing structure assemble be integrated in order, and air pressure balance agent structure becomes shape dress by sealing
It sets, air flow chamber, a circle side wall, round platform, gas port composition；
Upper shell structure and lower housing inside configuration are equipped with a through-hole, and through-hole penetrates through upper shell structure and lower housing knot
Structure；The through-hole of upper shell structure is communicated with air flow chamber, and is communicated with the air admission hole of ink box cover；
Upper shell structure, air pressure balance agent structure, lower housing structure assemble be integrated successively；
The upper surface of upper shell structure is fixed on the inner surface of ink box cover, and through-hole in upper shell structure and ink box cover
Air admission hole communicates；Entire air-pressure balancing device is installed below ink box cover, is located in print cartridge；
Air pressure balance agent structure is made of a circle side wall, round platform, air flow chamber, sealing deformation device；One circle side wall will be justified
Platform, air flow chamber package；The space formed between the inner surface of upper shell structure, a circle side wall, round platform three is air flow chamber；
Air flow chamber is communicated with the air admission hole on ink box cover；
Round platform is located at the centre position in side wall, and a circle side wall is divided into top and the bottom；Round platform center there are one mounting hole,
There are multiple gas ports, the outermost of round platform lower surface to be with a circle ring-shaped step on round platform；
Sealing deformation device is made of fixed end structure and sealing deformation bottom；Sealing deformation bottom and fixed end knot
Structure is made of elastic material；Sealing deformation bottom with fixed end structure be it is integrally formed,
Fixed end structure is made of following each section；One section of column, a diameter are more than the fixation upper end of column, one
Section diameter is more than the fixation lower end of column；Fixed upper end and fixed lower end make pillar segment just be connected in the fixation on round platform
In hole, and fixed upper end is head-up, and fixed lower end is arranged towards print cartridge internal direction；
Sealing deformation bottom is located at the lower section of air flow chamber and round platform；Under the fixation of sealing deformation bottom and fixed end structure
End is connected；
Sealing deformation bottom is substantially disc structure, a sealing deformation bottom to be had from its central point toward in the radial direction
One encloses the deformable seal ring toward fixed end structure opposite direction protrusion；
In addition, the central point of self sealss deformation bottom, in the periphery of deformable seal ring, also has a circle toward in the radial direction
Toward the sealing ring of fixed end structure direction protrusion；Point on sealing ring is seal point, the seal point of sealing ring and round platform
Ring-shaped step offset and, when sealing ring being made not yet to generate deformation just, sealing ring realization gas port sealing.
Upper shell structure, air pressure balance agent structure, lower housing structure pass sequentially through supersonic welding and are connected together, and three
Between welding leave no gaps.
Air guide hole number is 2-8, and gas port is evenly arranged on round platform.
A kind of air-pressure balancing device suitable for print cartridge,
Air pressure balance agent structure is made of sealing deformation device, air flow chamber, a circle side wall, round platform, gas port；
Air-pressure balancing device is by upper shell structure, air pressure balance agent structure, lower housing structure composition；
Air pressure balance agent structure is made of sealing deformation device, air flow chamber, a circle side wall, round platform, gas port；Upper shell
Structure and lower housing inside configuration are equipped with a through-hole, and through-hole penetrates through upper shell structure and lower housing structure；Upper shell structure
Through-hole is communicated with air flow chamber, and is communicated with the air admission hole of ink box cover；
Upper shell structure, air pressure balance agent structure, lower housing structure assemble be integrated successively,
The bottom of lower housing structure is fixed on the air admission hole of the outer surface of ink box cover, make through-hole in lower housing structure with
Print cartridge air pressure inside communicates；And the through-hole of upper shell structure is communicated with print cartridge external pressure,
Air pressure balance agent structure is made of a circle side wall, round platform, air flow chamber, sealing deformation device；One circle side wall will be justified
Platform, air flow chamber package；The space formed between the inner surface of upper shell structure, a circle side wall, round platform upper surface three is air-flow
Chamber；
Round platform is located at the centre position in side wall, and a circle side wall is divided into top and the bottom；Round platform center there are one mounting hole,
There are multiple gas ports, the outermost of round platform lower surface to be with a circle ring-shaped step on round platform；
Sealing deformation device is made of fixed end structure and sealing deformation bottom；Sealing deformation bottom and fixed end knot
Structure is made of elastic material；Sealing deformation bottom with fixed end structure be it is integrally formed,
Fixed end structure is made of following each section；One section of column, a diameter are more than the fixation upper end of column, one
Section diameter is more than the fixation lower end of column；Fixed upper end and fixed lower end make pillar segment just be connected in the fixation on round platform
In hole, and fixed upper end is head-up, and fixed lower end is arranged towards print cartridge internal direction；
Sealing deformation bottom is located at the lower section of air flow chamber and round platform；Under the fixation of sealing deformation bottom and fixed end structure
End is connected；
Sealing deformation bottom is substantially disc structure, a sealing deformation bottom to be had from its central point toward in the radial direction
One encloses the deformable seal ring toward fixed end structure opposite direction protrusion；
In addition, the central point of self sealss deformation bottom, in the periphery of deformable seal ring, also has a circle toward in the radial direction
Toward the sealing ring of fixed end structure direction protrusion；Point on sealing ring is seal point, the seal point of sealing ring and round platform
Ring-shaped step offset and, when sealing ring being made not yet to generate deformation just, sealing ring realization gas port sealing.
Upper shell structure, air pressure balance agent structure, lower housing structure pass sequentially through supersonic welding and are connected together, and three
Between welding leave no gaps.
Air guide hole number is 2-8, and gas port is evenly arranged on round platform.
Description of the drawings
Fig. 1 is a kind of schematic diagram of air-pressure balancing device suitable for print cartridge of the present invention:
Fig. 2 is a kind of partial enlarged view of air-pressure balancing device suitable for print cartridge of the present invention:
Fig. 3 is a kind of enlarged drawing of the sealing deformation device of air-pressure balancing device suitable for print cartridge of the present invention:
In figure label for:1- ink box covers, 2- air admission holes, 3- ink-filling holes, 4- round platforms, 5- air flow chambers, 6- lower housing structures,
7- sealing deformation devices, 8- gas ports, 9- air pressure balance agent structures, 10- upper shell structures, 11- ring-shaped steps, 12- side walls,
13- columns, 14- sealing deformations bottom, 15- fix upper end, and 16- fixes lower end, -17- fixed end structures, and 18- deforms close
Seal ring, 19- sealing rings.
Specific implementation mode
The invention will be further described in the following with reference to the drawings and specific embodiments:
Embodiment 1：
A kind of air-pressure balancing device suitable for print cartridge,
Air-pressure balancing device is made of upper shell structure, air pressure balance agent structure；
Air pressure balance agent structure is made of sealing deformation device, air flow chamber, a circle side wall, round platform, gas port；
Upper shell inside configuration is equipped with a through-hole, and through-hole is communicated with air flow chamber, and is communicated with the air admission hole of ink box cover；
Upper shell structure is integrated with the assembly of air pressure balance agent structure and is installed on inside print cartridge, the upper table of upper shell structure
Face is fixed on the air inlet hole site of the inner surface of ink box cover；
Entire air-pressure balancing device is installed below ink box cover, is located in print cartridge；
Air pressure balance agent structure is made of a circle side wall, round platform, air flow chamber, sealing deformation device；One circle side wall will be justified
Platform, air flow chamber package；The space formed between the inner surface of upper shell structure, a circle side wall, round platform three is air flow chamber；
Air flow chamber is communicated with the air admission hole on ink box cover；
Round platform is located at the centre position in side wall, and a circle side wall is divided into top and the bottom；Round platform center there are one mounting hole,
There are multiple gas ports, the outermost of round platform lower surface to be with a circle ring-shaped step on round platform；
Sealing deformation device is made of fixed end structure and sealing deformation bottom；Sealing deformation bottom and fixed end knot
Structure is made of elastic material；Sealing deformation bottom with fixed end structure be it is integrally formed,
Fixed end structure is made of following each section：One section of column, a diameter are more than the fixation upper end of column, one
Section diameter is more than the fixation lower end of column；Fixed upper end and fixed lower end make pillar segment just be connected in the fixation on round platform
In hole, and fixed upper end is head-up, and fixed lower end is arranged towards print cartridge internal direction；
Sealing deformation bottom is located at the lower section of air flow chamber and round platform；Under the fixation of sealing deformation bottom and fixed end structure
End is connected；
Sealing deformation bottom is substantially disc structure, a sealing deformation bottom to be had from its central point toward in the radial direction
One encloses the deformable seal ring toward fixed end structure opposite direction protrusion；
In addition, the central point of self sealss deformation bottom, in the periphery of deformable seal ring, also has a circle toward in the radial direction
Toward the sealing ring of fixed end structure direction protrusion；Point on sealing ring is seal point, the seal point of sealing ring and round platform
Ring-shaped step offset and, when sealing ring being made not yet to generate deformation just, sealing ring realization gas port sealing.
In embodiment 1, upper shell structure can be connected together with air pressure balance agent structure by supersonic welding, and the two
Between welding leave no gaps.
In embodiment 1, it is 2-8 that air guide hole number, which can be arranged, and gas port is evenly arranged on round platform.
Embodiment 2:
A kind of air-pressure balancing device suitable for print cartridge, the flat agent structure of air pressure is by sealing deformation device 7, air flow chamber 5, one
Side wall 12, round platform 4, gas port 8 is enclosed to form；
Air-pressure balancing device is made of upper shell structure 10,9 lower housing structure 6 of air pressure balance agent structure:The flat master of air pressure
Body structure is enclosed side wall 12, round platform 4, gas port 8 and is formed by sealing deformation device 7, air flow chamber 5, one；Upper shell structure 10, air pressure
Balance agent structure 9, lower housing structure 6 assemble be integrated in order, and the flat agent structure of air pressure is by sealing deformation device 7, air-flow
Chamber 5, one encloses side wall 12, round platform 4, gas port 8 and forms；Upper shell structure and lower housing inside configuration are equipped with a through-hole, through-hole
Penetrate through upper shell structure and lower housing structure:The through-hole of upper shell structure is communicated with air flow chamber, and with the air admission hole phase of ink box cover
It is logical；
Upper shell structure 10,9 lower housing structure 6 of air pressure balance agent structure are assembled to be integrated and be installed in print cartridge successively
Portion；
The upper surface of upper shell structure 10 is fixed on the inner surface of ink box cover 1, upper shell structure and lower housing inside configuration
It is equipped with a through-hole, through-hole penetrates through upper shell structure and lower housing structure:The through-hole of upper shell structure is communicated with air flow chamber, and with
The air admission hole of ink box cover communicates；
Entire air-pressure balancing device is installed on 1 lower section of ink box cover, is located in print cartridge；
Air pressure balance agent structure 9 is made of a circle side wall 12, round platform 4, air flow chamber 5, sealing deformation device 7:One circle side
Wall 12 wraps up round platform 4, air flow chamber 5:The sky formed between the inner surface of upper shell structure 10, a circle side wall 12,4 three of round platform
Between be air flow chamber 5；Air flow chamber is communicated with the air admission hole of ink box cover；
Air flow chamber 5 is communicated with the air admission hole 2 on ink box cover 1；
Round platform 4 is located at the centre position in side wall 12, and a circle side wall 12 is divided for top and the bottom:There are one 4 centers of round platform
There are on round platform 4 mounting hole multiple gas ports 8, the outmost turns of 4 lower surface of round platform to have a circle ring-shaped step 11；Sealing becomes shape dress
7 are set to be made of fixed end structure 17 and sealing deformation bottom 14:Sealing deformation bottom 14 and fixed end structure 17 are by bullet
Property material is made:Sealing deformation bottom 14 with fixed end structure 17 be it is integrally formed,
Fixed end structure 17 with next part by being formed:One section of column, 13, diameters are more than in the fixation of column 13
15, two sections of end diameter is more than the fixation lower end 16 of column 13；Fixed upper end 15 and fixed lower end 16 are so that 13 sections of column is rigid
It is connected in well in the mounting hole on round platform 4, and fixed upper end 15 is upward, fixed lower end 16 is arranged towards print cartridge internal direction；
Sealing deformation bottom 14 is located at the lower section of air flow chamber 5 and round platform 4；
Sealing deformation bottom 14 is a substantially disc structure, and sealing deformation its white central point of bottom 14 is past in the radial direction,
The deformable seal ring 18 toward 17 opposite direction protrusion of fixed end structure is enclosed with one；
In addition, the central point of self sealss deformation bottom 14, in the periphery of deformable seal ring 18, also has toward in the radial direction
One encloses the sealing ring 19 toward 17 direction protrusion of fixed end structure；Point on sealing ring 19 is seal point, sealing ring 19 it is close
The ring-shaped step 11 of seal point and round platform 4 offset and, when sealing ring 19 being made not yet to generate deformation just, the realization gas port of sealing ring 19
8 sealing.
In embodiment 2, upper shell structure 10,9 lower housing structure 6 of air pressure balance agent structure can pass sequentially through supersonic welding
It is connected together, and the welding between three leaves no gaps.
In embodiment 2, it is 2-8 that 8 quantity of gas port, which can be arranged, and gas port 8 is evenly arranged on round platform 4.
Embodiment 3:
A kind of air-pressure balancing device suitable for print cartridge,
Air-pressure balancing device is by upper shell structure, air pressure balance agent structure, lower housing structure composition；
Upper shell structure and lower housing inside configuration are equipped with a through-hole, and through-hole penetrates through upper shell structure and lower housing knot
Structure:The through-hole of upper shell structure is communicated with air flow chamber, and is communicated with the air admission hole of ink box cover；
Upper shell structure, air pressure balance agent structure, lower housing structure assemble be integrated successively,
The bottom of lower housing structure is fixed on the air admission hole of the outer surface of ink box cover, make through-hole in lower housing structure with
Print cartridge air pressure inside communicates；And the through-hole of upper shell structure is communicated with print cartridge external pressure, air pressure balance agent structure is by a circle
Side wall, round platform, air flow chamber, sealing deformation device composition；One circle side wall wraps up round platform, air flow chamber；The interior table of upper shell structure
The space formed between face, a circle side wall, round platform upper surface three is air flow chamber；
Round platform is located at the centre position in side wall, and a circle side wall is divided into top and the bottom:Round platform center there are one mounting hole,
There are multiple gas ports, the outmost turns of round platform lower surface to have a circle ring-shaped step on round platform；Deformation device is sealed by fixed end
Structure and sealing deformation bottom composition；Sealing deformation bottom and fixed end structure are made of elastic material；Sealing deformation bottom
Portion is integrally formed with fixed end structure, and fixed end structure with next part by being formed；One section of column, a diameter are big
It is more than the fixation lower end of column in fixation upper end, the two sections of diameters of column；Fixed upper end and fixed lower end make pillar segment
It is just connected in the mounting hole on round platform, and fixed upper end is head-up, fixed lower end is arranged towards print cartridge internal direction；
Sealing deformation bottom is located at the lower section of air flow chamber and round platform；Under the fixation of sealing deformation bottom and fixed end structure
End is connected；
Sealing deformation bottom is substantially disc structure, a sealing deformation bottom to be had from its central point toward in the radial direction
One encloses the deformable seal ring toward fixed end structure opposite direction protrusion；
In addition, the central point of self sealss deformation bottom, in the outer ring of deformable seal ring, also has a circle toward in the radial direction
Toward the sealing ring of fixed end structure direction protrusion；It is seal point to seal the point placed, the seal point of sealing ring and round platform
Ring-shaped step offset and, when sealing ring being made not yet to generate deformation just, sealing ring realization gas port sealing.
In embodiment 3, upper shell structure, air pressure balance agent structure, lower housing structure can pass sequentially through ultrasonic bonding
Together, the welding and between three leaves no gaps.
In embodiment 3, air guide hole number may be configured as 2-8, and gas port is evenly arranged on round platform.
The above content is only the better embodiment of the present invention, for those of ordinary skill in the art, according to the present invention
Thought, there will be changes in the specific implementation manner and application range, and the content of the present specification should not be construed as to this hair
Bright limitation.
Claims (9)
1. a kind of air-pressure balancing device suitable for print cartridge, it is characterised in that：
Air-pressure balancing device is made of upper shell structure, air pressure balance agent structure；
Air pressure balance agent structure is made of sealing deformation device, air flow chamber, a circle side wall, round platform, gas port；
Upper shell inside configuration is equipped with a through-hole, and through-hole is communicated with air flow chamber, and is communicated with the air admission hole of ink box cover；
Upper shell structure is integrated with the assembly of air pressure balance agent structure and is installed on inside print cartridge, and the upper surface of upper shell structure is solid
It is scheduled on the air inlet hole site of the inner surface of ink box cover；
Entire air-pressure balancing device is installed below ink box cover, is located in print cartridge；
Air pressure balance agent structure is made of a circle side wall, round platform, air flow chamber, sealing deformation device；One encloses side wall by round platform, gas
Flow chamber package；The space formed between the inner surface of upper shell structure, a circle side wall, round platform three is air flow chamber；
Air flow chamber is communicated with the air admission hole on ink box cover；
Round platform is located at the centre position in side wall, and a circle side wall is divided into top and the bottom；There are one mounting hole, round platforms at round platform center
It is upper that there are multiple gas ports, the outermost of round platform lower surface to be with a circle ring-shaped step；
Sealing deformation device is made of fixed end structure and sealing deformation bottom；Sealing deformation bottom and fixed end structure are equal
It is made of elastic material；Sealing deformation bottom with fixed end structure be it is integrally formed,
Fixed end structure is made of following each section：One section of column, diameter be more than the fixation upper end of column, one section it is straight
Diameter is more than the fixation lower end of column；Fixed upper end and fixed lower end make pillar segment just be connected in the mounting hole on round platform
It is interior, and fixed upper end is head-up, fixed lower end is arranged towards print cartridge internal direction；
Sealing deformation bottom is located at the lower section of air flow chamber and round platform；The fixation lower end phase of sealing deformation bottom and fixed end structure
Even；
Sealing deforms bottom and is enclosed with one from its central point toward in the radial direction for substantially disc structure, a sealing deformation bottom
Toward the deformable seal ring of fixed end structure opposite direction protrusion；
In addition, the central point of self sealss deformation bottom, in the periphery of deformable seal ring, also has one to enclose toward solid toward in the radial direction
The sealing ring of fixed end header structure direction protrusion；Point on sealing ring is seal point, the seal point of sealing ring and the annular of round platform
Step offset and, when sealing ring being made not yet to generate deformation just, sealing ring realization gas port sealing.
2. a kind of air-pressure balancing device suitable for print cartridge according to claim 1, it is characterised in that：Upper shell structure with
Air pressure balance agent structure is connected together by supersonic welding, and welding between the two leaves no gaps.
3. a kind of air-pressure balancing device suitable for print cartridge according to claim 2, it is characterised in that：Air guide hole number is
2-8, gas port is evenly arranged on round platform.
4. a kind of air-pressure balancing device suitable for print cartridge, it is characterised in that：
Air-pressure balancing device is by upper shell structure, air pressure balance agent structure, lower housing structure composition；
Air pressure balance agent structure is made of sealing deformation device, air flow chamber, a circle side wall, round platform, gas port；Upper shell knot
Structure, air pressure balance agent structure, lower housing structure assemble be integrated in order, and air pressure balance agent structure becomes shape dress by sealing
It sets, air flow chamber, a circle side wall, round platform, gas port composition；
Upper shell structure and lower housing inside configuration are equipped with a through-hole, and through-hole penetrates through upper shell structure and lower housing structure；On
The through-hole of shell structure is communicated with air flow chamber, and is communicated with the air admission hole of ink box cover；
Upper shell structure, air pressure balance agent structure, lower housing structure assemble be integrated successively；
The upper surface of upper shell structure is fixed on the inner surface of ink box cover, and the air inlet of the through-hole and ink box cover in upper shell structure
Hole communicates；Entire air-pressure balancing device is installed below ink box cover, is located in print cartridge；
Air pressure balance agent structure is made of a circle side wall, round platform, air flow chamber, sealing deformation device；One encloses side wall by round platform, gas
Flow chamber package；The space formed between the inner surface of upper shell structure, a circle side wall, round platform three is air flow chamber；
Air flow chamber is communicated with the air admission hole on ink box cover；
Round platform is located at the centre position in side wall, and a circle side wall is divided into top and the bottom；There are one mounting hole, round platforms at round platform center
It is upper that there are multiple gas ports, the outermost of round platform lower surface to be with a circle ring-shaped step；
Sealing deformation device is made of fixed end structure and sealing deformation bottom；Sealing deformation bottom and fixed end structure are equal
It is made of elastic material；Sealing deformation bottom with fixed end structure be it is integrally formed,
Fixed end structure is made of following each section：One section of column, diameter be more than the fixation upper end of column, one section it is straight
Diameter is more than the fixation lower end of column；Fixed upper end and fixed lower end make pillar segment just be connected in the mounting hole on round platform
It is interior, and fixed upper end is head-up, fixed lower end is arranged towards print cartridge internal direction；
Sealing deformation bottom is located at the lower section of air flow chamber and round platform；The fixation lower end phase of sealing deformation bottom and fixed end structure
Even；
Sealing deforms bottom and is enclosed with one from its central point toward in the radial direction for substantially disc structure, a sealing deformation bottom
Toward the deformable seal ring of fixed end structure opposite direction protrusion；
In addition, the central point of self sealss deformation bottom, in the periphery of deformable seal ring, also has one to enclose toward solid toward in the radial direction
The sealing ring of fixed end header structure direction protrusion；Point on sealing ring is seal point, the seal point of sealing ring and the annular of round platform
Step offset and, when sealing ring being made not yet to generate deformation just, sealing ring realization gas port sealing.
5. a kind of air-pressure balancing device suitable for print cartridge according to claim 4, it is characterised in that：
Upper shell structure, air pressure balance agent structure, lower housing structure pass sequentially through supersonic welding and are connected together, and between three
Welding leave no gaps.
6. a kind of air-pressure balancing device suitable for print cartridge according to claim 5, it is characterised in that：Air guide hole number is
2-8, gas port is evenly arranged on round platform.
7. a kind of air-pressure balancing device suitable for print cartridge, it is characterised in that；Air pressure balance agent structure by sealing deformation device,
Air flow chamber, a circle side wall, round platform, gas port composition；
Air-pressure balancing device is by upper shell structure, air pressure balance agent structure, lower housing structure composition；
Air pressure balance agent structure is made of sealing deformation device, air flow chamber, a circle side wall, round platform, gas port；Upper shell structure
It is equipped with a through-hole with lower housing inside configuration, through-hole penetrates through upper shell structure and lower housing structure；The through-hole of upper shell structure
It communicates with air flow chamber, and is communicated with the air admission hole of ink box cover；
Upper shell structure, air pressure balance agent structure, lower housing structure assemble be integrated successively,
The bottom of lower housing structure is fixed on the air admission hole of the outer surface of ink box cover, makes the through-hole in lower housing structure and print cartridge
Air pressure inside communicates；And the through-hole of upper shell structure is communicated with print cartridge external pressure,
Air pressure balance agent structure is made of a circle side wall, round platform, air flow chamber, sealing deformation device；One encloses side wall by round platform, gas
Flow chamber package；The space formed between the inner surface of upper shell structure, a circle side wall, round platform upper surface three is air flow chamber；
Round platform is located at the centre position in side wall, and a circle side wall is divided into top and the bottom；There are one mounting hole, round platforms at round platform center
It is upper that there are multiple gas ports, the outermost of round platform lower surface to be with a circle ring-shaped step；
Sealing deformation device is made of fixed end structure and sealing deformation bottom；Sealing deformation bottom and fixed end structure are equal
It is made of elastic material；Sealing deformation bottom with fixed end structure be it is integrally formed,
Fixed end structure is made of following each section：One section of column, diameter be more than the fixation upper end of column, one section it is straight
Diameter is more than the fixation lower end of column；Fixed upper end and fixed lower end make pillar segment just be connected in the mounting hole on round platform
It is interior, and fixed upper end is head-up, fixed lower end is arranged towards print cartridge internal direction；
Sealing deformation bottom is located at the lower section of air flow chamber and round platform；The fixation lower end phase of sealing deformation bottom and fixed end structure
Even；
Sealing deforms bottom and is enclosed with one from its central point toward in the radial direction for substantially disc structure, a sealing deformation bottom
Toward the deformable seal ring of fixed end structure opposite direction protrusion；
In addition, the central point of self sealss deformation bottom, in the periphery of deformable seal ring, also has one to enclose toward solid toward in the radial direction
The sealing ring of fixed end header structure direction protrusion；Point on sealing ring is seal point, the seal point of sealing ring and the annular of round platform
Step offset and, when sealing ring being made not yet to generate deformation just, sealing ring realization gas port sealing.
8. a kind of air-pressure balancing device suitable for print cartridge according to claim 7, it is characterised in that：
Upper shell structure, air pressure balance agent structure, lower housing structure pass sequentially through supersonic welding and are connected together, and between three
Welding leave no gaps.
9. a kind of air-pressure balancing device suitable for print cartridge according to claim 8, it is characterised in that：Air guide hole number is
2-8, gas port is evenly arranged on round platform.
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| CN201510347578.9A CN106313901B (en) | 2015-06-19 | 2015-06-19 | A kind of air-pressure balancing device suitable for print cartridge |
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| CN201510347578.9A CN106313901B (en) | 2015-06-19 | 2015-06-19 | A kind of air-pressure balancing device suitable for print cartridge |
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| CN106313901A CN106313901A (en) | 2017-01-11 |
| CN106313901B true CN106313901B (en) | 2018-08-03 |
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| CN106313901A (en) | 2017-01-11 |
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