CN203666129U - Print cartridge for ink jet printer - Google Patents
Print cartridge for ink jet printer Download PDFInfo
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- CN203666129U CN203666129U CN201320761002.3U CN201320761002U CN203666129U CN 203666129 U CN203666129 U CN 203666129U CN 201320761002 U CN201320761002 U CN 201320761002U CN 203666129 U CN203666129 U CN 203666129U
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- ink
- jet printer
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- chamber
- print cartridge
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Abstract
The utility model relates to a print cartridge for an ink jet printer. The print cartridge comprises a print cartridge body, a sealing member, an ink outlet and a buffer channel. A cavity is arranged in the print cartridge body for storing ink. The sealing member is used for jointing with the print cartridge body to seal the cavity. The ink outlet is used for transmitting the ink in the cavity to the external part of the cavity. The buffer channel is arranged in the cavity and provided with a raising portion. By adopting the structure of the buffer channel, the problem of ink leakage of the ink outlet caused by impaction of the ink is resolved.
Description
Technical field
The utility model relates to a kind of cartridge of ink-jet printer.
Background technology
At present, some ink-jet printers utilize changeable ink box to be used as storing the container of ink.In this ink-jet printer, be conventionally provided with the print cartridge installation portion with printhead.After print cartridge is mounted to this installation portion, the ink outlet port of print cartridge is communicated with the printhead of this installation portion, to form printing.
In the past, some print cartridges (for example referring to Patent Document 1) were provided with deformable bag therein.Print cartridge by this bag is inflated, can make the ink of print cartridge inside export to printhead after installing, and discharges the bubble of printhead inside; By the venting of this bag, can make the normal pressure of the inner recovery of print cartridge.In the time of printing, inkjet printing chance extracts ink from the ink outlet port of print cartridge, the inner negative pressure that forms of print cartridge.Now, deformable bag expands, and promotes gangbar, thereby opens inlet port valve, and print cartridge inside reaches air pressure balance.In the time that printing stops, this bag shrinks gradually, the normal pressure of the inner recovery of print cartridge.
But along with the increase of inkjet printing demand, print cartridge is required to store more ink, therefore, the gravity of print cartridge ink inside can be along with increase.If the bag to this print cartridge inside with larger quantity of ink is inflated, can make ink produce larger impulse force, the excessive velocities of ink outlet port output ink can cause the problem of ink outlet port ink leak, even can destroy printhead.
Therefore,, for the print cartridge of this structure, corresponding buffer gear need to be set in inside, for slowing down the impulse force of ink.But sort buffer mechanism can make the mobile resistance of ink increase, along with slowing down that ink flows, the deformation process of bag also can slow down accordingly.If control valve need to lean on the expansion of deformable bag and open, may cross and cause control valve not open in time slowly due to bag deformation, cause and fail to print black phenomenon.
Patent documentation 1: Chinese invention patent publication No. CN103380002.
Utility model content
Originally provide utility model a kind of cartridge of ink-jet printer, in the time that ink supply operates, because of ink, the impact of ink outlet port is greatly easily caused the technical problem of ink leak and destruction printhead to solve existing black cartridge of printer.
In order to solve above technical problem, the technical scheme that the utility model is taked is:
A kind of cartridge of ink-jet printer, comprising:
Box body, described box body inside is formed with chamber, and described chamber is used for storing ink;
Seal, for engaging with described box body, seals described chamber;
Ink outlet port, for being transferred to the ink of described chamber interior described chamber outside;
Buffer channel, is arranged on described chamber interior;
It is characterized in that, described buffer channel has a rising part and a sloping portion.
Also comprise inflation inlet, the air being filled with for receiving described ink-jet printer.
Also comprise deformable cavity, be arranged on described chamber interior, be communicated with described inflation inlet, described deformable cavity can correspondingly expand or shrink according to the pressure change situation of described chamber interior.
Also comprise control valve, be communicated with described chamber and can be transformed into the state of opening or closing according to the pressure change situation of described chamber interior.
Described buffer channel is arranged between described ink outlet port and described deformable cavity.
Described chamber has multiple.
Also comprise elastomeric element, described elastomeric element and described deformable cavity butt.
Described control valve is arranged on described box body.
Between the rising part of described buffer channel and sloping portion, be provided with bubble capture chamber.
Adopting after technique scheme, because buffer channel has a rising part and a sloping portion, therefore, ink accelerates directly to flow to ink outlet port entering after buffer channel under the directly effect at gravity, and must first could drop to again ink outlet port through the decelerating effect of rising part, greatly reduce the impact to ink outlet port, solved existing black cartridge of printer greatly easily causes ink leak and destruction printhead in the time that ink supply operates to the impact of ink outlet port technical problem because of ink.
Brief description of the drawings
Fig. 1 is the diagram of the print cartridge of the utility model the 1st embodiment;
Fig. 2 a and Fig. 2 b are respectively two side-looking diagrams of the box body of the utility model the 1st embodiment print cartridge;
Fig. 3 is the seal diagram of the print cartridge of the utility model the 1st embodiment;
Fig. 4 is the diagram of the print cartridge of the utility model the 2nd embodiment;
Fig. 5 a and Fig. 5 b are respectively two side-looking diagrams of the box body of the utility model the 2nd embodiment print cartridge.
Detailed description of the invention
In order to make the purpose of this utility model, technical scheme and advantage clearer, below in conjunction with the accompanying drawing in the utility model embodiment, the technical scheme in the embodiment that the utility model is related to is carried out clear, intactly describes.
Embodiment 1:
Be illustrated in figure 1 the print cartridge diagram that the utility model relates to, print cartridge 1 comprises box body 2, seal 3, ink outlet port 4, air inlet 5, inflation inlet 6 and control valve 7.Wherein the inner inking chamber that forms of this box body 2, for storing ink, and is sealed box body 2 by seal 3.In addition, ink outlet port 4 and inflation inlet 6 are arranged on box body 2, and air inlet 5 and control valve 7 are arranged on seal 3, for controlling the printing of print cartridge 1, after printing by for a more detailed description.
In the present embodiment, print cartridge 1 is probably rectangular shape, has the first side 105,104, one of lower surfaces, 103, one of 102, one upper surfaces of 101, one rear end faces of a front end face and second side 106.Wherein front end face 101 is just right with rear end face 102, and upper surface 103 is just right with lower surface 104, and the first side 105 and the second side 106 are just right.Wherein the second side 106 is formed by seal, that is, on box body 2, form shown in soldering opening 200(Fig. 2 a with just right position, the first side 105), for welding with seal 3.
Print cartridge 1 also has an x axle, a y axle and a z axle, and mutually vertical between x-axis, y-axis and z-axis.The front end face 201 of box body 2 is parallel with z axle with y axle with rear end face 202, and upper surface 203 is parallel with y axle with x axle with lower surface 204, and side is parallel with z axle with x axle.In print cartridge 1 installation process, print cartridge 1 will be inserted in printing equipment along the positive direction of x axle.
The ink outlet port 4 of print cartridge 1 is arranged on the front end face 101 of box body 2, for the ink of box body 1 inside being transferred to the outside of box body 2.Inflation inlet 6 is arranged on the front end face 101 of box body 2 equally, and this inflation inlet 6 is positioned at the top of ink outlet port 4 along the positive direction of z axle, this inflation inlet 6 is for gas transport to deformable cavity 61(that ink-jet printer is filled with as shown in Figure 2 a) in, make it that deformation occur.In the present embodiment, ink outlet port 4 is positioned at front end face 101 and more approaches along z direction of principal axis the position of lower surface 104, and inflation inlet 6 is roughly arranged on front end face 101 along the position in the middle of z direction of principal axis.
Fig. 2 a and Fig. 2 b are depicted as two side views of box body 2.This box body 2 can be formed by resin material, as polypropylene, and acrylonitrile-butadiene-styrene copolymer and polystyrene etc., in the present embodiment, box body 2 is formed by polypropylene.In box body 2, be formed with chamber 20, this chamber 20 is for storing ink.
Be formed with deformable cavity 61 in chamber 20 inside.The surrounding wall that the substrate of this deformable cavity 61 is extended from the sidewall of box body 2 and from sidewall toward y axle positive direction forms; The deformable segment of deformable cavity 61 is formed by a deformable member (not shown), and this deformable component can be the material that film or rubber etc. can deformation.A filling channel 60 is arranged on the side 105 of box body, is communicated with this inflation inlet 6 and deformable cavity 61.One end of this filling channel 60 is communicated with inflation inlet 6, and the other end is communicated with deformable cavity 61.
Also there is buffer channel 9 in chamber 20 inside.This buffer channel 9 at least comprises that one roughly along the upwardly extending rising part 91 of z axle positive direction, and a sloping portion 92 along z axle negative direction to downward-extension roughly.Wherein, 91 main cushioning effects of this rising part.Preferably, in the present embodiment, buffer channel 9 is arranged between ink outlet port 4 and deformable cavity 61, and the sloping portion 92 of buffer channel 9 is communicated with ink outlet port 4.Between rising part 91 and sloping portion 92, be also provided with a bubble capture chamber 93, this bubble capture chamber 93 is positioned at the top of rising part 91 and sloping portion 92 along z axle positive direction, and is communicated with this rising part 91 and sloping portion 92.
In addition, on the sidewall of box body 2, be also provided with pouring ink hole 8, in assembling process, can pass through the chamber 20 inner infusing ink of pouring ink hole 8 toward box body 2; And an inlet channel 50, extend toward the positive direction of y axle from the sidewall of box body 2, and be communicated with aforesaid air inlet 5 and control valve 7.
If Fig. 3 is the schematic diagram of seal 3.Seal 3 has flank 30, in the time of the soldering opening 200 of seal 3 and box body 2, plays the role of positioning.In the present embodiment, be also provided with air inlet 5 and control valve 7 on seal 3, when seal 3 is soldered to after soldering opening 200, this air inlet 5 and control valve 7 are communicated with by the inlet channel 50 of box body 2.Control valve 7 is provided with an air opening port 70, is communicated with control valve 7 and chamber 20.This control valve 7 can be according to the pressure of chamber 20 inside and change state.Concrete, in the time that chamber 20 internal pressures are more than or equal to certain value, control valve 7 is closed; In the time that chamber 20 internal pressures are less than certain value, control valve
7open, thus the pressure of adjusting chamber 20 inside.That is, this control valve 7 is separate with deformable cavity 61, does not have the relation of interlock between the two, and 7 of control valves are subject to the control of 20 internal pressures.
Preferably, in print cartridge 1, there is elastomeric element 10, with deformable cavity 61 butts.On seal 3, be provided with projection 31, for fixing this elastomeric element 10.In the present embodiment, seal 3 is provided with two projections 31, and elastomeric element 10 is also two, and this elastomeric element is spring 10, and this spring 10 is fixing by corresponding projection 31.After seal 3 is soldered on box body 2, spring 10 and deformable cavity 61 butts.
Preferably, in the present embodiment, seal 3 also has the guide portion 40 of the ink tube for guiding ink-jet apparatus., this guide portion 40, as a part for ink outlet port, is arranged on seal 3.
After print cartridge 1 is mounted to ink-jet printer, ink-jet printer is inflated the inflation inlet by print cartridge 16 to deformable cavity 61, deformable cavity 61 expands, and chamber 20 internal pressures are increased, thereby make ink outlet port 4 export ink to printhead, to discharge the air in printhead.After discharging air, stop inflation, deformable cavity recovers.In print procedure, when ink outlet port 4 is during to printhead output ink, the inner negative pressure that form of chamber 20, deformable cavity 61 expands, until the volumetric expansion of deformable cavity 61 is to maximum, now control valve 7 is opened, air enters chamber 20, maintains its internal pressure.In the time that print cartridge 1 stops printing, ink outlet port stops to printhead output ink, and chamber 20 internal pressures recover gradually, and deformable cavity 61 shrinks, and last control valve 7 is closed.
For the print cartridge 1 with said structure, box body 2 is provided with buffer channel 9, and this buffer channel 9 has a rising part 91, and buffer channel 9 is roughly arranged between ink outlet port 4 and deformable cavity 61 along x direction of principal axis.When print cartridge 1 is mounted to after ink-jet printer, ink-jet printer is inflated deformable cavity 61 by inflation inlet 6 and filling channel 60, and deformable cavity 61 expands.Now, even if ink is because chamber 20 internal pressures are excessive, flow velocity is too fast, after the rising part 91 by this buffer channel 9, also can slow down the flow velocity of ink, avoids the impact of ink to ink outlet port 4, thus protection printhead, and prevent ink leak phenomenon.
Owing to being provided with bubble capture chamber 93 between the rising part 91 of buffer channel 9 and sloping portion 92, therefore, in inflation or print procedure, even if some bubbles are along with ink moves to ink outlet port 4, also can bubble be limited therein by this bubble capture chamber 93, thereby avoid bubble to enter printhead by ink outlet port 4, affect print quality.
Owing to being provided with projection 31 on seal 3, and utilize projection 31 fixing springs 10.After seal 3 is soldered on box body 2, the deformable member butt of spring 10 and deformable cavity 61.Therefore, in gas replenishment process, due to the thrust of spring 10, can avoid deformable cavity 7 to expand too fast, and the caused ink impulsive force of this expansion is excessive.In addition, spring 10 can also stop inflation or after printing finishes, assist the contraction of deformable cavity 61.
Due to control valve 7 and the separate setting of deformable cavity 61, therefore, even if deformable cavity 61 speed of deformation are excessively slow, control valve 7 also can be opened in time.In addition, lose deformation function even if deformable cavity 61 is damaged, control valve 7 still can be for controlling printing, thereby avoid ink outlet port 4 not export ink and damage printhead.
Embodiment 2:
As shown in Figure 4, print cartridge 1 is roughly the shape of cuboid, has 102, one upper surfaces 103 of 101, one rear end faces of a front end face and first side 105,104, one of lower surfaces and second side 106.Wherein front end face 101 is just right with rear end face 102, and upper surface 103 is just right with lower surface 104.As different from Example 1, in the present embodiment, all only some is formed by box body 2 for the first side 105 and the second side 106, and remainder is welded and formed by seal 3.More specifically, the air inlet 5 of print cartridge 1 and control valve 7 are all arranged on box body 2.
Fig. 5 a and Fig. 5 b are depicted as two side views of box body 2.Box body 2 inside are separated into multiple chamber 21-25, and between chamber, utilize channel connection.Wherein, be provided with deformable cavity 61 in chamber 21, the air opening port 70 of control valve 7 is arranged in chamber 25.
For the print cartridge with said structure, because control valve 7 is arranged on box body 2, and be not on seal 3, therefore control valve 7 is fixing more firm.Convenient in assembling process, reduce control valve 7 process of location separately, increase production efficiency.In addition, also avoided in the transportation of seal 3, control valve 7 is because clashing into etc. former thereby causing damage.
Because box body 2 is separated into multiple chamber 21-25, therefore, in the time that quantity of ink is larger, can avoid the problem due to the excessive ink outlet port causing 4 ink leaks of ink gravity.
In the present embodiment, other structures of print cartridge and embodiment's 1 is similar, here repeated description no longer.
Certainly, this scheme is not limited to above-described embodiment, no matter box body has a chamber or multiple chamber, control valve is arranged on box body or seal, whether buffer channel is arranged between ink outlet port and deformable cavity, as long as utilizing buffer channel to slow down the structure that causes the impact of ink to ink outlet port due to the deformation of deformable cavity, within being included in claim scope of the present utility model.
Claims (9)
1. a cartridge of ink-jet printer, comprising:
Box body, described box body inside is formed with chamber, and described chamber is used for storing ink;
Ink outlet port, for being transferred to the ink of described chamber interior described chamber outside;
Inflation inlet, the air being filled with for receiving described ink-jet printer;
Deformable cavity, is arranged on described chamber interior, is communicated with described inflation inlet, and described deformable cavity can correspondingly expand or shrink according to the pressure change situation of described chamber interior;
Buffer channel, is arranged on described chamber interior;
It is characterized in that, described buffer channel has a rising part.
2. cartridge of ink-jet printer as claimed in claim 1, is characterized in that, described buffer channel is arranged between described ink outlet port and described deformable cavity.
3. cartridge of ink-jet printer as claimed in claim 2, is characterized in that, described buffer channel also has a sloping portion, and described sloping portion is communicated with described ink outlet port.
4. cartridge of ink-jet printer as claimed in claim 3, is characterized in that, is provided with bubble capture chamber between the rising part of described buffer channel and sloping portion.
5. the arbitrary cartridge of ink-jet printer as described in claim 1-4, is characterized in that, also comprises control valve, is communicated with and can be transformed into the state of opening or closing according to the pressure change situation of described chamber interior with described chamber.
6. cartridge of ink-jet printer as claimed in claim 5, is characterized in that, described control valve is arranged on described box body, separate with described deformable cavity.
7. the arbitrary cartridge of ink-jet printer as described in claim 1-4, is characterized in that, described chamber has multiple.
8. the arbitrary cartridge of ink-jet printer as described in claim 1-4, is characterized in that, also comprises elastomeric element, described elastomeric element and described deformable cavity butt.
9. cartridge of ink-jet printer as claimed in claim 8, is characterized in that, described print cartridge also comprises seal, seals described chamber, and described seal has projection, for fixing described elastomeric element.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320761002.3U CN203666129U (en) | 2013-11-27 | 2013-11-27 | Print cartridge for ink jet printer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320761002.3U CN203666129U (en) | 2013-11-27 | 2013-11-27 | Print cartridge for ink jet printer |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203666129U true CN203666129U (en) | 2014-06-25 |
Family
ID=50962460
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320761002.3U Withdrawn - After Issue CN203666129U (en) | 2013-11-27 | 2013-11-27 | Print cartridge for ink jet printer |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203666129U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104669796A (en) * | 2013-11-27 | 2015-06-03 | 珠海纳思达企业管理有限公司 | Ink box for ink jet printer |
-
2013
- 2013-11-27 CN CN201320761002.3U patent/CN203666129U/en not_active Withdrawn - After Issue
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104669796A (en) * | 2013-11-27 | 2015-06-03 | 珠海纳思达企业管理有限公司 | Ink box for ink jet printer |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20140625 Effective date of abandoning: 20170503 |