CN201592561U - Device capable of keeping balance of air pressure in ink cartridge - Google Patents
Device capable of keeping balance of air pressure in ink cartridge Download PDFInfo
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- CN201592561U CN201592561U CN2009202854735U CN200920285473U CN201592561U CN 201592561 U CN201592561 U CN 201592561U CN 2009202854735 U CN2009202854735 U CN 2009202854735U CN 200920285473 U CN200920285473 U CN 200920285473U CN 201592561 U CN201592561 U CN 201592561U
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Abstract
The utility model relates to a device capable of keeping balance of air pressure in an ink cartridge, which is arranged in a body of the ink cartridge. An outer circular casing and an inner circular casing of the device are assembled oppositely, an air sealing leather collar is arranged between the outer circular casing and the inner circular casing, the middle of the air sealing leather collar closely contacts with the semi-circular spherical surface of the outer circular casing and a pressure spring in a groove of the inner circular casing, and the air sealing leather collar is further butted against an annular sealing rib of the outer circular casing and an annular prop ring of the inner circular casing so as to from a sealing spacer. An outer ring cavity on the periphery of the sealing spacer is a B region, an inner ring cavity in the middle of the sealing spacer is divided into an A region and a C region, wherein a space between the air sealing leather collar and the outer circular casing inner end face is the A region, and a space between the air sealing leather collar and the inner circular casing inner end face is the C region. A passage I is communicated with the A region and the external of the ink cartridge, a passage II is communicated with the C region, a B region and an ink storage area, and a passage III is communicated with the B region and the A region, then air pressure balance in the ink cartridge can be kept, and the printer ink cartridge can be operated normally after being filled with ink and used circularly, thereby reducing printing cost greatly, saving energy and protecting environment.
Description
Technical field
The utility model belongs to the ink-jet printer cartridge technical field, particularly a kind of device that keeps print cartridge internal gas pressure balance.
Background technology
The ink-jet printer cartridge of selling on the market mostly is the printer ink cartridge that printhead and print cartridge connect together.This print cartridge price is high, and customer using cost is higher.Box one printer ink cartridge is by three most compositions of nozzle, box body (sponge is housed in the box body), lid (passage is arranged on the lid).After the user buys, open print cartridge lid passage sealing strip, as not using for a long time, the moisture content in the box in the ink then outwards evaporates by the lid passage, and the excess ink crystal is then with spray nozzle clogging in the box, cause this box normally not use, as the former empty cartridge that the user adopts refilling to use to have used up, too much as ink injection amount, exceed the holder loading capability of box body sponge, ink then passes through the outside seepage of nozzle under the effect of gravity, print cartridge can't operate as normal.Very few as ink injection amount, air can't be removed in the box, and ink can't infiltrate into nozzle again, and print cartridge equally can't operate as normal.Here it is a box one infusing ink in ink box weak effect and a not re-usable main cause.Because the irreversible property used of original-pack print cartridge after the user uses, can only abandon or refilling, when the refilling effect is undesirable, can only abandon equally, has caused the wasting of resources and environmental pollution, does not meet the requirement of present global energy-saving and environmental protection.
Summary of the invention
The purpose of this utility model provides a kind of device that keeps print cartridge internal gas pressure balance.This device is used in mainly in the ink-jet printer cartridge and can makes that air pressure keeps balance and keeps the stable gas pressure of print cartridge inside in the print cartridge.Make ink-cases of printers irritate ink circulation repeatedly still can operate as normal when using, so just can greatly reduce the printing cost and have the advantage of energy-saving and environmental protection.
The technical solution of the utility model is: a kind of device that keeps the print cartridge air pressure balance, and it is contained in the bottom and has nozzle, and top has in the box body of ink-jet printer cartridge of lid.Lid is provided with the ink-filling hole with ink-filling hole plug, and the straight-through print cartridge ink of ink-filling hole is deposited the ink-covered area.Be characterized in: its top was fixed on the lid after this print cartridge air-pressure balancing device was sleeved on together by cylindrical shell and interior round shell in opposite directions.In the middle of cylindrical shell and the interior round shell cavity is arranged, the circular aeroseal apron of a circle is housed in the middle of the cavity.Cylindrical shell inner end centre is a semicircle sphere to intermediate projections, and this semicircle sphere contacts with the aeroseal apron.The semicircle sphere of cylindrical shell is with the ring packing muscle of a circle projection outward, and this ring packing muscle outer ring tightly abuts against with the aeroseal apron.Place, interior circle shell inner end centre is a groove, is placed with compression spring in the groove.Compression spring and the corresponding setting of semicircle sphere, one end are near bottom portion of groove, and be abutted against mutually with the aeroseal apron other end.Interior circle shell groove is with the annular fore-set circle of a circle projection outward, and this annular fore-set circle tightly abuts against with the corresponding setting of ring packing muscle and with the aeroseal apron.Constitute a circle seal isolation circle after ring packing muscle and annular fore-set circle compress the aeroseal apron from both sides, the sealing cage ring is divided into outer ring cavity and inner ring cavity with middle cavity.The outer ring cavity of seal isolation circle periphery is the B district.Inner ring cavity in the middle of the seal isolation circle is A district and C district.Space between aeroseal apron and the cylindrical shell inner face is the A district.Space between aeroseal apron and the interior round shell inner face is the C district.Passage I one end is connected with the A district, and the other end is connected with the print cartridge external world by lid.Passage II first end is connected with the C district, and second end is connected with the B district, and the 3rd end is deposited bottom place, ink-covered area with the print cartridge ink after by the interior round shell of print cartridge air-pressure balancing device and is connected.Passage III one end is connected with the B district, and the other end is connected with the A district by the positive center of semicircle sphere.
The utility model course of work and principle are: can inject ink by ink-filling hole, ink-filling hole plug beyond the Great Wall behind the ink.Ink sprayed from nozzle when print cartridge was printed.Ink reduces gradually with printing in the ink memory block, and air all constantly enters in the ink memory block by passage II in C district and the B district at this moment.Along with air in B district, the C district constantly reduces, it is bigger than B district, C district internal pressure to form A district inner air pressure.Compression spring equates to press the aeroseal apron under the situation with C district internal pressure in the A district when not printing, and the aeroseal apron is blocked passage III outlet near semicircle sphere, and A district and C district are not communicated.When A district inner air pressure during greater than C district internal pressure, A district and C district form pressure differential, when pressure differential reaches certain value, A district inner air pressure compressing aeroseal apron makes it overcome the resistance of compression spring and moves to C district direction, at this moment aeroseal apron and semicircle sphere disengage, and air enters the stepping of going forward side by side of C district by passage III and goes in B district and the ink memory block in the A district.The air that reduces in the A district obtains constantly replenishing outside box by passage I.When ink memory block and B district and C district inner air pressure equated with A district air pressure, the elastic force of compression spring promotes the aeroseal apron made it closely contact with semicircle sphere, seals the passage in A district and C district.After air obtained replenishing in the ink memory block, print cartridge recovered normal ink-jet work again.Along with the minimizing of ink in the ink memory block, air can obtain air by the A district again because of minimizing forms negative pressure again in B district, C district and the ink memory block outside print cartridge, so goes round and begins again, and makes print cartridge be in the state of normal printing all the time.Ink uses up in print cartridge, only needs to add ink and can normally use again in print cartridge.
The utility model has the advantages that provides a kind of device that keeps print cartridge internal gas pressure balance.This device is used in mainly in the ink-jet printer cartridge and can makes that air pressure keeps balance and keeps the stable gas pressure of print cartridge inside in the print cartridge.Make ink-cases of printers irritate ink circulation repeatedly still can operate as normal when using, so just can greatly reduce the printing cost and have the advantage of energy-saving and environmental protection.
Description of drawings
Fig. 1 is that the print cartridge air-pressure balancing device is installed in the structural representation in the print cartridge.
Fig. 2 is that the K of Fig. 1 is to structural representation.
Fig. 3 is that the A-A of Fig. 2 is to the sectional structure schematic diagram.
Fig. 4 is the structural representation of the utility model cylindrical shell.
Fig. 5 is the structural representation of circle shell in the utility model.
Fig. 6 is that the H of Fig. 4 is to the sectional structure schematic diagram.
Fig. 7 is that the W of Fig. 5 is to the sectional structure schematic diagram.
Among the figure: 1, lid, 2, ink-filling hole, 3, the ink-filling hole plug, 4, passage I, 5, cylindrical shell, 6, interior round shell, 7, passage II, 8, air-pressure balancing device, 9, ink memory block, 10, nozzle, 11, box body, 12, the ring packing muscle, 13, aeroseal apron, 14, the seal isolation circle, 15, annular fore-set circle, 16, semicircle sphere, 17, compression spring, 18, groove, 19, passage III, 20, C district, 21, the A district, 22, the B district.
The specific embodiment
Embodiment shown in each figure is as follows: a kind of device that keeps the print cartridge air pressure balance, and it is contained in the bottom and has nozzle 10, and top has in the box body 11 of ink-jet printer cartridge of lid 1.Lid 1 is provided with the ink-filling hole 2 with ink-filling hole plug 3, and ink-filling hole 2 straight-through print cartridge inks are deposited ink-covered area 9.Be characterized in: its top was fixed on the lid 1 after this print cartridge air-pressure balancing device 8 was sleeved on together by cylindrical shell 5 and interior round shell 6 in opposite directions.In the middle of cylindrical shell 5 and the interior round shell 6 cavity is arranged, the circular aeroseal apron 13 of a circle is housed in the middle of the cavity.Cylindrical shell 5 inner end centres are a semicircle sphere 16 to intermediate projections, and this semicircle sphere 16 contacts with aeroseal apron 13.The semicircle sphere 16 outer ring packing muscle 12 that are with a circle projection of cylindrical shell 5, these ring packing muscle 12 outer rings tightly abut against with aeroseal apron 13.Place, interior circle shell 6 inner end centres is a groove 18, is placed with compression spring 17 in the groove 18.Compression spring 17 and semicircle sphere 16 corresponding settings, one end is near groove 18 bottoms, and be abutted against mutually with aeroseal apron 13 other end.The interior circle shell 6 grooves 18 outer annular fore-set circles 15 that are with a circle projection, this annular fore-set circle 15 tightly abuts against with the 12 corresponding settings of ring packing muscle and with aeroseal apron 13.Ring packing muscle 12 compresses aeroseal apron 13 backs with annular fore-set circle 15 and constitutes a circle seal isolation circle 14 from both sides, sealing cage ring 14 is divided into outer ring cavity and inner ring cavity with middle cavity.The outer ring cavity of seal isolation circle 14 peripheries is B district 22.Inner ring cavity in the middle of the seal isolation circle is A district 21 and C district 20.Space between aeroseal apron 13 and cylindrical shell 5 inner faces is A district 21.Space between aeroseal apron 13 and interior round shell 6 inner faces is C district 20.Passage I 4 one ends are connected with A district 21, and the other end is connected with the print cartridge external world by lid 1.Passage II 7 first ends are connected with C district 20, and second end is connected with B district 22, and the 3rd end is deposited place, 9 bottoms, ink-covered area by interior round shell 6 backs of print cartridge air-pressure balancing device 8 with the print cartridge ink and is connected.Passage III 19 1 ends are connected with B district 22, and the other end is connected with A district 21 by semicircle sphere 16 positive centers.
Claims (1)
1. device that can keep the print cartridge air pressure balance, it is contained in the bottom and has nozzle, top has in the box body of ink-jet printer cartridge of lid, lid is provided with the ink-filling hole with ink-filling hole plug, the straight-through print cartridge ink of ink-filling hole is deposited the ink-covered area, it is characterized in that: its top was fixed on the lid after this print cartridge air-pressure balancing device was sleeved on together by cylindrical shell and interior round shell in opposite directions, in the middle of cylindrical shell and the interior round shell cavity is arranged, the circular aeroseal apron of one circle is housed in the middle of the cavity, cylindrical shell inner end centre is a semicircle sphere to intermediate projections, this semicircle sphere contacts with the aeroseal apron, the semicircle sphere of cylindrical shell is with the ring packing muscle of a circle projection outward, this ring packing muscle outer ring tightly abuts against with the aeroseal apron, place, interior circle shell inner end centre is a groove, be placed with compression spring in the groove, compression spring and the corresponding setting of semicircle sphere, one end is near bottom portion of groove, be abutted against mutually with the aeroseal apron other end, interior circle shell groove is with the annular fore-set circle of a circle projection outward, this annular fore-set circle tightly abuts against with the corresponding setting of ring packing muscle and with the aeroseal apron, after compressing the aeroseal apron from both sides, ring packing muscle and annular fore-set circle constitute a circle seal isolation circle, the sealing cage ring is divided into outer ring cavity and inner ring cavity with middle cavity, the outer ring cavity of seal isolation circle periphery is the B district, inner ring cavity in the middle of the seal isolation circle is A district and C district, space between aeroseal apron and the cylindrical shell inner face is the A district, space between aeroseal apron and the interior round shell inner face is the C district, passage I one end is connected with the A district, the other end is connected with the print cartridge external world by lid, passage II first end is connected with the C district, second end is connected with the B district, the 3rd end is deposited bottom place, ink-covered area with the print cartridge ink after by the interior round shell of print cartridge air-pressure balancing device and is connected, passage III one end is connected with the B district, and the other end is connected with the A district by the positive center of semicircle sphere.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009202854735U CN201592561U (en) | 2009-12-30 | 2009-12-30 | Device capable of keeping balance of air pressure in ink cartridge |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009202854735U CN201592561U (en) | 2009-12-30 | 2009-12-30 | Device capable of keeping balance of air pressure in ink cartridge |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201592561U true CN201592561U (en) | 2010-09-29 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2009202854735U Expired - Fee Related CN201592561U (en) | 2009-12-30 | 2009-12-30 | Device capable of keeping balance of air pressure in ink cartridge |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201592561U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102485487A (en) * | 2010-12-01 | 2012-06-06 | 珠海天威飞马打印耗材有限公司 | Ink jet printer print cartridge regeneration method |
| CN102602153A (en) * | 2011-01-19 | 2012-07-25 | 徐广立 | Air-pressure-balance air controller in ink box |
-
2009
- 2009-12-30 CN CN2009202854735U patent/CN201592561U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102485487A (en) * | 2010-12-01 | 2012-06-06 | 珠海天威飞马打印耗材有限公司 | Ink jet printer print cartridge regeneration method |
| CN102602153A (en) * | 2011-01-19 | 2012-07-25 | 徐广立 | Air-pressure-balance air controller in ink box |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20100929 Termination date: 20151230 |
|
| EXPY | Termination of patent right or utility model |