CN1358628A - Ink cartridge - Google Patents
Ink cartridge Download PDFInfo
- Publication number
- CN1358628A CN1358628A CN 00135955 CN00135955A CN1358628A CN 1358628 A CN1358628 A CN 1358628A CN 00135955 CN00135955 CN 00135955 CN 00135955 A CN00135955 A CN 00135955A CN 1358628 A CN1358628 A CN 1358628A
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- ink
- helical spring
- ink cartridge
- pressing plate
- stator
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Abstract
The ink box for ink jet train printing equipment incldues a shell, ink channel is formed in the interior of shell body, the interior of ink channel is equipped with an air bag, the interior of the air bag is isolated from fluid being in ink channel, only one air hole set on the shell is communicated with exterior. A fixing plate, a screw spring and a press plate are mounted in the ink channel, the fixing plate is fixed on one inside wall of the shell, the screw spring is fixed between the fixing plate and press plate, and said air bag is fastened between the press plate and another inside wall of the shell. Said invention equipment can make interior of ink channel retain proper negative pressure.
Description
The present invention relates to a kind of ink cartridge, relate in particular to a kind of ink cartridge with stator fixation pressure governor motion.
The ink-jet products such as equipment such as ink-jet printer of prining with its cheap price, the stable quality of prining, become the most popular information system output equipment of imformation age already.
Generally speaking, the ink-jet equipment of prining all has an ink gun, is used for ink-jet to print.Used ink when prining for storage, the ink-jet equipment of prining all is provided with at least one ink cartridge, in the process that ink-jet is printd, supplies ink constantly and gives ink gun simultaneously.In order to keep the stable quality of prining, ink cartridge must ink supply stably be given ink gun.Usually, the pressure in the ink cartridge will maintain certain negative pressure, and promptly the gross pressure outline of the fluid in the ink cartridge is less than the atmospheric pressure in the external world.Ink gun can overcome negative pressure and the ink in ink cartridge ejection is printd print on the file waiting in the process of prining.Under the obsolete situation of equipment was printd in ink-jet, negative pressure can prevent that then the ink in the ink cartridge from oozing out and pollute the ink-jet equipment of prining.The size of negative pressure has a suitable scope; If negative pressure excessive (also being that the ink cartridge internal pressure is much smaller than external atmospheric pressure), then ink gun just can't overcome negative pressure and spray ink in the process of prining.If negative pressure too small (being that ink cartridge internal pressure and external atmospheric pressure are almost equal), even the ink-jet equipment of prining is in closed condition, ink also can ooze out from ink cartridge and pollute the ink-jet equipment of prining.
Along with the ink in the ink cartridge is consumed gradually, the fluid pressure in the ink cartridge also can change.In this case, in order to keep negative pressure suitable in the ink cartridge, generally be provided with pressure regulating mechanism in the ink cartridge.Generally speaking, comprise in the pressure regulating mechanism one scalable and change the airbag of volume, and control the size of airbag volume, and then keep the negative pressure in the ink cartridge by an elastic mechanism, make negative pressure not be subjected to the influence of consumption of ink and significantly change.Suitable setting pressure governor motion accurately in the little ink cartridge in inner space how, and needn't expend a large amount of assemblings, manufacturing procedure, be the emphasis of ink cartridge design.Be easy to the quality that the correct pressure regulating mechanism of assembling not only can keep ink-jet to print, also can reduce manufacturing cost, make the ink-jet equipment of prining more can reach purpose of high quality and at a reasonable price.
Therefore, main purpose of the present invention is to provide a kind of ink cartridge that includes the pressure regulating mechanism that is easy to assemble, and this ink cartridge not only can be kept negative pressure in the ink cartridge, and assembling easily, do not need complicated procedure of processing.
Ink cartridge provided by the present invention comprises: a housing; One passage is arranged on the described housing; One airbag is arranged in the described housing, and the air in the described airbag communicates with ambient atmosphere by described passage; One ink container is formed between the inside of the outside of described airbag and described housing; One ink outlet port is arranged on the bottom of described housing, and is connected with described ink container; One stator, described stator have first stationary plane and second stationary plane, and described stator is fixed on the madial wall of described housing by first stationary plane; One helical spring, described helical spring have first end and second end, and described first end is fixed on second stationary plane of described stator; An and pressing plate, described pressing plate has first surface and second surface, described helical spring second end is fixed on the first surface of described pressing plate, the second surface of described pressing plate is pressed on the described airbag, and described airbag clamp is between the second surface of described pressing plate another madial wall relative with a madial wall described housing and described.
Because ink cartridge provided by the present invention, its pressure regulating mechanism is made of a stator, a helical spring, a pressing plate and an airbag.A helical spring end is embedded on the holder of stator, and stator is pressed onto on the madial wall (being the madial wall of housing) of ink container, the helical spring other end then is fixed on the pressing plate, thus with the airbag clamp between another madial wall of pressing plate and ink container.The shape that is used for fixing helical spring stator is identical with the shape of ink container internal face, be applied to the reverse reaction force of the compressing airbag active force on the pressing plate by helical spring, just stator can be pressed on the internal face of ink container, therefore need not apply under the situation of any other fixing means, just stator can fitted snugly on the ink container inwall and not can slide.On the other hand, after helical spring is fixed on the stator, impose on the reverse reaction force of the active force of stator by helical spring, just can be with correct direction and angle, by pressing plate airbag is produced pressure, limit the degrees of expansion of airbag with this, and further keep the negative pressure in the ink container.Therefore, each interelement of pressure regulating mechanism in the ink cartridge of the present invention, only with the cross sectional shape of mutual cooperation, add helical spring elastic force, under the situation that does not need other complicated fixed processing means and assembling process, just each element can be installed in the narrow and small ink cartridge, and pressure regulating mechanism is correctly operated.Correspondingly not only can reduce production costs, can also guarantee the quality that ink-jet is printd.
Below in conjunction with accompanying drawing the present invention is described in further detail.In the accompanying drawing:
Fig. 1 is the external view of ink cartridge of the present invention;
Fig. 2 is the decomposing schematic representation of each element of ink cartridge of the present invention;
Fig. 3 is along the profile of 3-3 among Fig. 1;
Fig. 4 is fixed on schematic diagram on the pressing plate for helical spring in the ink cartridge of the present invention;
Fig. 5 is the outside drawing of the another kind of embodiment of stator in the ink cartridge of the present invention.
As shown in Figure 1 to Figure 3, ink cartridge 10 provided by the present invention comprises a housing 12, the housing 12 inner ink containers 18 that form, and ink is stored in the ink container 18.The upper end of housing 12 has a passage 14, and the bottom has an ink outlet port 20 (as Fig. 2 or shown in Figure 3), is used for ink supply to the ink-jet equipment of prining.Pressure regulating mechanism in the ink cartridge 10 is made of stator 22, helical spring 28, pressing plate 34 and airbag 16.The one side of stator 22 (i.e. first stationary plane 24) props up on a madial wall of ink container 18, the another side of stator (i.e. second stationary plane 26) is provided with a holder 42, its shape just cooperates with first end 30 of helical spring 28, and first end 30 of helical spring 28 just can be embedded in the holder 42.Second end 32 of helical spring 28 is fixed on the first surface 36 of pressing plate 34 by hook formation 40; Airbag 16 clamps are between the second surface 38 of pressing plate 34 another madial wall relative with madial wall ink container 18 and described.Airbag 16 is isolated with the ink in the ink container 18, and communicates with ambient atmosphere by passage 14.
The pressure regulating mechanism that the following describes in the ink cartridge 10 of the present invention is installed situation and the operation principle thereof that is combined in the ink cartridge 10.Shown in Fig. 3 (and Fig. 2), a madial wall shape of the shape of stator 22 and ink container is coincide, and first stationary plane 24 of stator 22 just can be closely cooperated with the madial wall of ink container 18.Second stationary plane 26 of stator 22 is provided with and stator 22 integrally formed holders 42, and the sunk part that holder 42 forms is identical with the cross sectional shape of first end 30 of helical spring 28, thereby first end 30 of helical spring 28 just can closely be embedded in the holder 42.Second end 32 of helical spring 28 links together with pressing plate 34 securely by the hook formation 40 of the first surface 36 of pressing plate 34.Helical spring 28 applies the pressure on (right-hand to Fig. 3 drawing) to the right by 34 pairs of airbags 16 of pressing plate, airbag 16 is clipped between the opposite side inner wall surface of the second surface 38 of pressing plate 34 and ink container 18.Elastic force by helical spring 28, and the shape of cooperation stationary plane 22, stator 22 can be pressed on securely on the one hand on the inner wall surface of ink container 18 it can not be slided, can also provide suitable pressure to airbag 16 on the other hand, to keep the negative pressure in the ink container 18.In case stator 22 is fixed on the inner wall surface of ink container 18, can first end 30 of helical spring 28 is fixing on the throne on the stator 22 with stator 22 integrally formed holder 42 natures, thus make first end 30 of helical spring 28 be unlikely to slide.First end 30 that fixed-site has been arranged, second end 32 of helical spring 28 just can be with correct direction and positions, and pressing plate 34 is applied to the right a thrust.To the right thrust through the distribution on pressing plate 34 surfaces with average, thereby just can form on the inner wall surface of opposite side that a uniform pressure is depressed into airbag 16 to the right ink container 18, thereby the volume of restriction airbag 16 and is further kept negative pressure in the ink container 18.
When the ink that stores in the ink container 18 was supplied to ink-jet to print equipment by ink outlet port 20 outflows, the fluid pressures in the ink container 18 can diminish.This moment, airbag 16 just can and expand by passage 14 introducing ambient atmosphere.But airbag 16 expands if leave, and can make pressure and ambient atmosphere balance in the ink container 18, and the negative pressure in the ink container 18 can't be kept, and makes ink ooze out ink container 18 by ink outlet port 20 uncontrollably at last.For keeping the negative pressure in the ink container 18, the expansion of airbag 16 volumes must be subjected to suitable restriction, will be with the reason of helical spring 28 compacting airbags 16 in this ink cartridge 10 just of the present invention.Exert pressure by helical spring 28 and via 34 pairs of airbags 16 of pressing plate, just can limit airbag 16 and expand, make the fluid pressure in the ink container 18 be slightly less than external atmospheric pressure, thereby further keep the negative pressure in the ink container 18.
Figure 4 shows that in the ink cartridge 10 of the present invention that second end 32 with helical spring 28 is fixed in schematic diagram on the first surface 36 of pressing plate 34 (for clear performance bearing, having omitted part helical spring 28 among Fig. 4).In this embodiment, pressing plate 34 is metal sheets, fixedly the hook formation 40 of second end 32 of helical spring 28 is that curving inwardly forms by the strip sheet that digs out on the pressing plate 34 (staying cavity 43), and these hook formation 40 nippers are lived second end 32 of helical spring 28.
Figure 5 shows that the outward appearance diagrammatic sketch of the another kind of embodiment of the stator 52 in the ink cartridge of the present invention.The holder 54 that is used for fixing first end 30 of helical spring 28 on the stator 52 is made of three ridges, these three ridge area surrounded 56 are identical with the cross sectional shape of first end 30 of helical spring 28, thereby first end 30 of helical spring 28 just can be embedded in the holder 54.The reason identical with stator 22, the shape of the stator 52 also madial wall shape with ink container 18 is identical, thereby make stator 52 not need other fixing means, just can be fixed on the inner wall surface of ink container 18 by the elastic force of helical spring 28 and can not slide.
The above only is a most preferred embodiment of the present invention, and every equalization of doing according to claim of the present invention changes and modifies, all within protection scope of the present invention.
Claims (5)
1. ink cartridge, described ink cartridge comprises:
One housing;
One passage is arranged on the described housing;
One airbag is arranged in the described housing, and the air in the described airbag communicates with ambient atmosphere by described passage;
One ink container is formed between the inside of the outside of described airbag and described housing;
One ink outlet port is arranged on the bottom of described housing, and is connected with described ink container;
One stator, described stator have first stationary plane and second stationary plane, and described stator is fixed on the madial wall of described housing by first stationary plane;
One helical spring, described helical spring have first end and second end, and described first end is fixed on second stationary plane of described stator; And
One pressing plate, described pressing plate has first surface and second surface, described helical spring second end is fixed on the first surface of described pressing plate, the second surface of described pressing plate is pressed on the described airbag, and described airbag clamp is between the second surface of described pressing plate another madial wall relative with a madial wall described housing and described.
2. ink cartridge according to claim 1 is characterized in that: the first surface of described pressing plate has at least one being used for described helical spring second end is fixed on hook formation on the first surface of described pressing plate.
3. ink cartridge according to claim 2 is characterized in that: the shape of described fixed head matches with the shape of a madial wall of described housing, and described fixed head can be entrenched on the madial wall of described housing.
4. ink cartridge according to claim 3, it is characterized in that: the second surface of described fixed head is provided with a holder, its shape matches with the cross section of described helical spring first end, and described helical spring first end can embed in the described holder and be fixed on the described fixed head.
5. ink cartridge according to claim 4 is characterized in that: described fixed head and integral body of described holder shaping.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 00135955 CN1358628A (en) | 2000-12-19 | 2000-12-19 | Ink cartridge |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 00135955 CN1358628A (en) | 2000-12-19 | 2000-12-19 | Ink cartridge |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN1358628A true CN1358628A (en) | 2002-07-17 |
Family
ID=4597007
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 00135955 Pending CN1358628A (en) | 2000-12-19 | 2000-12-19 | Ink cartridge |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN1358628A (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1313275C (en) * | 2003-12-17 | 2007-05-02 | 财团法人工业技术研究院 | Ink-jet print head |
| CN100588548C (en) * | 2005-03-31 | 2010-02-10 | 佳能株式会社 | Liquid storage container and liquid ejection recording apparatus having the container mounted thereon |
| CN104669799A (en) * | 2015-02-13 | 2015-06-03 | 杭州万盟数码设备有限公司 | Large-capacity exhaust ink bag for large-width ink-jet printer |
| CN111619225A (en) * | 2019-02-28 | 2020-09-04 | 精工爱普生株式会社 | Supply device and liquid ejecting apparatus |
-
2000
- 2000-12-19 CN CN 00135955 patent/CN1358628A/en active Pending
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1313275C (en) * | 2003-12-17 | 2007-05-02 | 财团法人工业技术研究院 | Ink-jet print head |
| CN100588548C (en) * | 2005-03-31 | 2010-02-10 | 佳能株式会社 | Liquid storage container and liquid ejection recording apparatus having the container mounted thereon |
| CN104669799A (en) * | 2015-02-13 | 2015-06-03 | 杭州万盟数码设备有限公司 | Large-capacity exhaust ink bag for large-width ink-jet printer |
| CN104669799B (en) * | 2015-02-13 | 2016-07-06 | 杭州万盟数码设备有限公司 | Wide format printer Large Copacity aerofluxus ink sac |
| CN111619225A (en) * | 2019-02-28 | 2020-09-04 | 精工爱普生株式会社 | Supply device and liquid ejecting apparatus |
| CN111619225B (en) * | 2019-02-28 | 2021-11-26 | 精工爱普生株式会社 | Supply device and liquid ejecting apparatus |
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| Date | Code | Title | Description |
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| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C06 | Publication | ||
| PB01 | Publication | ||
| C02 | Deemed withdrawal of patent application after publication (patent law 2001) | ||
| WD01 | Invention patent application deemed withdrawn after publication |