CN209492293U - Ink tank and ink-jet printer with it - Google Patents
Ink tank and ink-jet printer with it Download PDFInfo
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- CN209492293U CN209492293U CN201821595724.5U CN201821595724U CN209492293U CN 209492293 U CN209492293 U CN 209492293U CN 201821595724 U CN201821595724 U CN 201821595724U CN 209492293 U CN209492293 U CN 209492293U
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- ink
- storing chamber
- flow path
- interconnecting piece
- chamber
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Abstract
The utility model relates to a kind of ink tank and with its ink-jet printer.Ink tank includes ink storing chamber, surge chamber and atmosphere portion.Atmosphere portion includes flow path, interconnecting piece and atmospheric communicating pipe.Flow path and surge chamber are in fluid communication, and the side wall of at least part and ink storing chamber is integrally formed and extends on side wall.Connecting portion is in the top of flow path, and top is not less than the black capacity marking line of the maximum of ink storing chamber；Atmospheric communicating pipe is connected to interconnecting piece and is in fluid communication by interconnecting piece and flow path.Ink tank according to the present utility model, interconnecting piece passes through the flow path being arranged on the side wall of ink storing chamber and is connected to surge chamber, the structure of flow path is hardly damaged, and the top of interconnecting piece is not less than maximum black capacity marking line, even if atmospheric communicating pipe damages, also guarantee that damage position is higher than the highest liquid level of the indoor ink of ink storage, so that ink be avoided undesirably to flow out.
Description
Technical field
The utility model relates to printing device technical fields, and in particular, to a kind of ink tank and the inkjet printing with it
Machine.
Background technique
Ink-jet printer 1 by from record portion (not shown) to recording medium (such as paper sheet for printing) spray ink come into
Row printing.
Fig. 1 schematically shows an example of existing ink-jet printer 1.Hereinafter, for ease of description, so that
User use ink-jet printer when location on the basis of, by ink-jet printer towards user direction definition be " preceding ",
Direction definition is " rear " on the other hand, and the left-hand side of user is defined as " left side ", and the right-hand side of user is " right side ".
As shown in Figure 1, ink-jet printer 1 include printer body 19 and setting 19 side of printer body (such as
Front side) four ink tanks 20.Printer body 19 includes frame section 11, and four ink tanks 20 are arranged in frame section 11.Wherein one
A ink tank 20 is arranged in 11 left side front of frame section, and the other three ink tank 20 is arranged side by side at 11 right front of frame section.
Fig. 2 schematically illustrates the perspective view of ink tank 20.As shown in Fig. 2, ink tank 20 includes ink storing chamber 23, refilling portion
21, ink supply 24, atmosphere portion 28 and surge chamber 27.Ink storing chamber 23 is used to accommodate the ink to be supplied to record portion.Refilling
Portion 21 is set to the top of ink storing chamber 23 and upwardly extends.Refilling portion 21 forms the ink filling port being connected to ink storing chamber 23 at top
22, for being injected for ink.And under non-refilling state, ink filling port 22 is sealed using ink filling port plug 25, then will in refilling
Ink filling port plug 25 is removed, and exposes ink filling port 22 in order to refilling.Ink supply 24 is located at the top of ink storing chamber 23.Ink supply 24 is logical
Ink tube (not shown) is crossed to be connected to record portion with by ink feed to record portion.Surge chamber 27 is located at the lower section of ink storing chamber 23,
And it is connected to by tiny flow path (not shown) with ink storing chamber 23.Atmosphere portion 28 includes interconnecting piece 38 and atmospheric communicating pipe
70.Interconnecting piece 38 is set to the top of surge chamber 27, and internal with the channel being connected to surge chamber 27.Atmospheric communicating pipe 70
It is connected to interconnecting piece 38.Thus surge chamber 27 can be connected to by interconnecting piece 38 and atmospheric communicating pipe 70 with ambient atmosphere.
The working principle of ink tank 20 is as follows:
When carrying out refilling operation to ink tank 20, use the switch member of such as valve by ink tube and atmospheric communicating pipe first
70 closures, then remove the ink filling port plug 25 for sealing ink filling port 22 from ink filling port 22, at this time inner space (the ink storage of ink tank 20
Room 23 and surge chamber 27) only it is in communication with the outside by ink filling port 22.Then the front end of black bottle is inserted in refilling portion 21, ink
It is flowed into the inner space of ink tank 20 from black bottle via ink filling port 22.A portion ink is flowed into surge chamber 27, and
Compress the air in the part between switch member and surge chamber 27 of surge chamber 27 and atmospheric communicating pipe 70.When refilling finishes
Later, in surge chamber 27 pressure of compressed air be equal to ink stored in ink tank 20 pressure and atmospheric pressure it
With.Under normal conditions, after the completion of refilling, only there is a small amount of ink in surge chamber 27,
After the completion of refilling, the ink filling port 22 of ink tank 20 is sealed using ink filling port plug 25, and switch member opening is then made into ink supply
Pipe is connected to the recovery of atmospheric communicating pipe 70.Surge chamber 27 can be communicated with the atmosphere via atmosphere portion 28, thus surge chamber 27
Interior air pressure falls to atmospheric pressure.And the part gas in ink storing chamber 23 between ink level and ink filling port plug 25 at this time
The pressure of body is also atmospheric pressure.Therefore under gravity, the ink being stored in ink storing chamber 23 understands some entrance
Into surge chamber 27.The ink level decline in ink storing chamber 23, the space above ink level increase simultaneously, lead to ink storage
Air pressure in room 23 above ink level reduces, and the pressure of ink also reduces in ink tank 20.Ink in ink storing chamber 23
Act on the ink pressure at the flow path that ink storing chamber 23 is connected to surge chamber 27 and the gas above the ink level in ink storing chamber 23
The sum of pressure, when acting on the sum of ink pressure and the atmospheric pressure at the flow path equal to the ink in surge chamber 27, ink storing chamber 23
It keeps stablizing with the liquid level of the ink in surge chamber 27.Under normal conditions, it is stored in the liquid level of the ink in ink storing chamber 23
Height can slightly decline, and correspondingly, the liquid level for being stored in the ink of surge chamber 27 can slightly rise.
During ink-jet printer 1 works, be stored in ink in ink tank 20 (in particular to ink storing chamber 23) via
Ink supply 24 is supplied to record portion, and the ink in ink storing chamber 23 is consumed and the ink level in ink storing chamber 23 is caused to drop
It is low.The ink in ink storing chamber 23 acts on the reduction of the ink pressure at the flow path that ink storing chamber 23 is connected to surge chamber 27 at this time, should
The pressure disequilibrium of flow path two sides.The pressure of 27 side of surge chamber is greater than the pressure of 23 side of ink storing chamber.Therefore in the effect of pressure
Under, it is back in ink storing chamber 23 to the ink portion that is stored in surge chamber 27, and some gas can be via surge chamber
27 enter in ink storing chamber 23, and pressure is made to keep balance.
For ink tank 20 shown in Fig. 2, when the part damage between switch member and interconnecting piece 38 of atmospheric communicating pipe 70
It is bad, and when surge chamber 27 can be connected to by the position of damage with ambient atmosphere, during refilling or ink filling port plug 25
When can not seal ink filling port, closed space can not be formed in surge chamber 27.Ink in ink storing chamber 23 can be continuously flowed
In surge chamber 27.If ink amount is excessive, such as user does not notice damaged and constantly refilling, ink exist during refilling
Full of will continue to flow into interconnecting piece 38 and atmospheric communicating pipe 70 after surge chamber 27, and pass through the outflow of the position of damage.It deposits at this time
Risk in the inner space of the outer surface and frame section 11 of pollution ink tank 20.
Therefore, it is necessary to a kind of ink tank and the ink-jet printer with it be proposed, at least to be partially solved the prior art
Present in problem above.
Utility model content
A series of concept of reduced forms is introduced in utility model content part, this will be in specific embodiment part
Middle further description.The utility model content part of the utility model is not meant to attempt to limit claimed
Technical solution key feature and essential features, do not mean that the guarantor for attempting to determine technical solution claimed more
Protect range.
In order at least be partially solved the above problem, the utility model provides a kind of ink tank, is used for ink-jet printer, institute
Ink-jet printer is stated with printer body, the ink tank includes:
Ink storing chamber, the ink storing chamber are configured to accommodate the ink to be supplied to the printer body；
Surge chamber, the surge chamber and the ink storing chamber are in fluid communication；And
Atmosphere portion, the atmosphere portion include:
Flow path, the flow path and the surge chamber are in fluid communication, at least part of the flow path and the ink storing chamber
Side wall is integrally formed and extends on the side wall；
Interconnecting piece, the connecting portion are not less than the ink storing chamber in the top of the flow path, the top of the interconnecting piece
The black capacity marking line of maximum；With
Atmospheric communicating pipe, the atmospheric communicating pipe are connected to the interconnecting piece and by the interconnecting piece and the flow path streams
Body connection.
Ink tank according to the present utility model, interconnecting piece passes through the flow path being arranged on the side wall of ink storing chamber and surge chamber connects
Logical, the structure of flow path is hardly damaged, and the top of interconnecting piece is not less than maximum black capacity marking line, even if atmospheric communicating pipe damages
It is bad, also guarantee that damage position is higher than the highest liquid level of the indoor ink of ink storage, so that ink be avoided undesirably to flow out.
Optionally, the top of the interconnecting piece is higher than the maximum black capacity marking line of the ink storing chamber.
According to this scheme, ink can be further avoided and undesirably flowed out.
Optionally, the bottom end of the interconnecting piece is higher than the maximum black capacity marking line of the ink storing chamber.
According to this scheme, ink can be further avoided and undesirably flowed out.
Optionally, the ink tank is made of resinous framework and film, and fluted, the film is arranged on the resinous framework
The groove is covered to form described at least part of the flow path in the atmosphere portion.
According to this scheme, flow path can be arranged on the side wall of ink storing chamber by relatively simple technique.
Optionally, the ink tank further includes refilling portion, the refilling portion be set to the top of the ink tank and have with
The ink storing chamber is connected to inject the ink filling port of ink.
It, can the refilling into ink storing chamber by refilling portion according to this scheme.
Other side according to the present utility model, also provides a kind of ink-jet printer, and the ink-jet printer includes such as
Preceding any ink tank.
Ink-jet printer according to the present utility model, the interconnecting piece of ink tank pass through the stream being arranged on the side wall of ink storing chamber
Road is connected to surge chamber, and the structure of flow path is hardly damaged, and the top of interconnecting piece is not less than maximum black capacity marking line, even if
Atmospheric communicating pipe damage also guarantees that damage position is higher than the highest liquid level of the indoor ink of ink storage, to avoid ink undesirable
Ground outflow.
Detailed description of the invention
From the description with reference to the accompanying drawing to the utility model exemplary embodiment, the utility model above-mentioned and its
Its aspect will become apparent and be easier to understand, in the accompanying drawings:
Fig. 1 is the three-dimensional view of existing ink-jet printer；
Fig. 2 is the three-dimensional view of the ink tank for ink-jet printer shown in FIG. 1；
Fig. 3 is the three-dimensional view according to the ink tank of the first embodiment of the utility model；
Fig. 4 is the side view of ink tank shown in Fig. 3；And
Fig. 5 is the side view according to the ink tank of the second embodiment of the utility model.
Description of symbols
Ink-jet printer: 1 printer body: 19
Frame section: 11 ink tanks: 20/120/220
Refilling portion: 21/121/221 ink filling port: 22/122/222
Ink storing chamber: 23/123/223 ink supply: 24/124/224
Surge chamber: 27/127/227 atmosphere portion: 28/128/228
Interconnecting piece: 38/138/238 atmospheric communicating pipe: 70/170/270
Flow path: 159/259 resinous framework: 141/241
Film: 143/243 ink filling port plug: 25
Interconnecting piece top: 138A/238A interconnecting piece bottom end: 138B/238B
Maximum ink capacity marking line: 166/266
Minimum ink capacity marking line: 167/267
Specific embodiment
In the following description, a large amount of concrete details are given more thoroughly to manage in order to provide to the utility model
Solution.It will be apparent, however, to one skilled in the art that the utility model embodiment may not need one or more
These a details and be carried out.In other examples, in order to avoid obscuring with the utility model embodiment, for
Some technical characteristics well known in the art are not described.
Preferred embodiments of the present invention are illustrated referring to the drawings.It should be noted that institute herein
Term " on ", "lower" and the similar statement used for illustrative purposes only, not limits.
Herein, such as ordinal number of " first " and " second " cited in the application is only to identify, without having
There are any other meaning, such as specific sequence etc..Moreover, for example, term " first component " itself does not imply that " second
The presence of part ", term " second component " do not imply that the presence of " first component " in itself.
It describes in detail below in conjunction with attached drawing to ink tank according to the present utility model.The ink tank is used for such as Fig. 1 institute
The ink-jet printer 1 shown.Ink-jet printer 1 can also have the function of image scanner, fax function in addition to printing function
The various functions such as energy, duplicator function.As printing function, the two-sided figure in the double-sided recording modes image of recording paper can have
As writing function.Certainly, for whether having the function of being arbitrary other than printing function.
Fig. 3 shows the ink tank 120 of first embodiment according to the present utility model.Ink tank 120 include ink storing chamber 123,
Refilling portion 121, ink supply 124, atmosphere portion 128 and surge chamber 127.
Ink storing chamber 123 is used to accommodate the ink to be supplied to record portion.Refilling portion 121 is set to the top of ink storing chamber 123
And it upwardly extends.Refilling portion 121 forms the ink filling port 122 being connected to ink storing chamber 123 at top, for injecting for ink.
Preferably, the wall of ink storing chamber 123 is made of translucent material.It is possible thereby to be examined wherein through the standing motionless as if facing a wall of ink storing chamber 123
The liquid level of the ink accommodated.It is further preferred that being additionally provided on the lateral surface (such as leading flank) of ink storing chamber 123 for referring to
Show the black capacity marking line 166 of the maximum of ink capacity and minimum black capacity marking line 167.When the liquid of the ink in ink storing chamber 123
When face is concordant with minimum ink capacity marking line 167, indicates that the ink in ink storing chamber 123 will exhaust, need through refilling portion 121
Ink is injected thereto.During refilling, when the liquid level of the ink in ink storing chamber 123 and maximum black capacity marking line 166 are flat
Qi Shi indicates that the ink in ink storing chamber 123 has reached maximum capacity, needs to stop refilling at this time.
Ink supply 124 is located at the top of ink storing chamber 123.In the state of the installation of ink tank 120 to ink-jet printer 1, ink supply
Portion 124 can be connected to the ink feed will accommodate in ink storing chamber 123 to record portion by ink tube (not shown) with record portion.
Surge chamber 127 is located at the lower section of ink storing chamber 123, and is connected to by tiny flow path (not shown) with ink storing chamber 123.
Surge chamber 127 is also connected to by atmosphere portion 128 with ambient atmosphere.As described in the background art like that, surge chamber 127
For accommodating the small part ink flowed out from ink storing chamber 123 during refilling.In addition, when ink tank 120 is accommodating ink
When toppling under state, surge chamber 127 can slow down the speed that the ink being stored in ink storing chamber 123 is flowed to atmosphere portion 128
Degree, and then can prevent the ink being stored in ink storing chamber 123 from rapidly leaking from atmosphere portion 128, to be stayed to user
The reaction time is out in order in time ajusting ink tank 120.
Ink tank 120 according to the present utility model, atmosphere portion 128 are configured to include flow path 159,138 and of interconnecting piece
Atmospheric communicating pipe 170.Specifically, flow path 159 and surge chamber 127 are in fluid communication, and ink storing chamber 123 is arranged at least part
On side wall, and extend on the side wall.As shown in Figure 3 and Figure 4, in the present embodiment, flow path 159 is integrally provided at storage
On the side wall of ink chamber 123.By the way that the side wall of flow path 159 and ink storing chamber 123 to be integrally formed, 159 breakage of flow path can reduce
It may.The top of flow path 159 is arranged in interconnecting piece 138, internal to have the channel being connected to flow path 159.Atmospheric communicating pipe 170
It is connected to interconnecting piece 138.Thus surge chamber 127 can be big by flow path 159, interconnecting piece 138 and atmospheric communicating pipe 170 and the external world
Gas connection.
In addition, the interconnecting piece top 138A of interconnecting piece 138 is set as not less than the black capacity marking line of the maximum of ink storing chamber 123
166.So set, even if the parts against wear of atmospheric communicating pipe 170 being located on interconnecting piece 138, the damage location are also inevitable
Higher than the black capacity marking line 166 of the maximum of ink storing chamber 123.Therefore, when 170 breakage of atmospheric communicating pipe, and surge chamber 127 can
It is connected to by the damage location with ambient atmosphere, so that ink storing chamber 123 and surge chamber 127, atmosphere portion 128 form linker
When, the liquid level of linker two sides is inevitably less than maximum black capacity marking line 166.To surge chamber 127 and atmosphere portion 128
The liquid level of ink in space is lower than the damage location of atmospheric communicating pipe 170.Even if therefore atmospheric communicating pipe 170 is damaged, ink
It will not be flowed out from the damage location.As shown in figure 4, in the present embodiment, the interconnecting piece top 138A of interconnecting piece 138 is higher than
The black capacity marking line 166 of the maximum of ink storing chamber 123.
Ink tank 120 according to the present utility model can be made of resin material and film.Specifically, resinous wood can be used
Expect to form the resinous framework 141 for constituting the main body of ink tank 120 in a mold by way of injection molding.It is set on the resinous framework 141
Be equipped with it is several be used to form ink storing chamber 123, surge chamber 127 inner space chamber, and formed ink storing chamber 123 chamber
Side wall on be provided with the groove for being used to form flow path 159.Above-mentioned chamber and groove have lateral openings in order to resinous framework
141 and mold separation.Then film 143 is connected to resinous framework 141 by the connection type of bonding etc. and covers chamber
The lateral openings of room and groove, to be respectively formed ink storing chamber 123, surge chamber 127 and flow path 159.
As shown in Figure 3 and Figure 4, it forms the chamber of surge chamber 127 and forms the groove of flow path 159 on resinous framework 141
Towards right openings, and the chamber for forming ink storing chamber 123 is open on resinous framework 141 towards left side.Wherein, surge chamber 127
Same film 143 is shared with flow path 159, to simplify structure.Although also, be not shown in figure, however it will be appreciated that setting
The left side of rouge frame 141 is also bonded with the film for being used to form ink storing chamber 123.
Fig. 5 shows the ink tank 220 of second embodiment according to the present utility model.As shown in figure 5, in the second embodiment party
In formula, the interconnecting piece bottom end 238B that ink tank 220 is configured to interconnecting piece 238 is higher than the black capacity marking line of maximum of ink storing chamber 223
266.Therefore, interconnecting piece 238 and 270 entirety of atmospheric communicating pipe are above maximum black capacity marking line 266, it is possible thereby to further
The case where avoiding 270 breakage of atmospheric communicating pipe that ink is caused to flow out.
Ink tank according to the present utility model is identical as the working principle of ink tank 20 shown in Fig. 2, can specifically refer to background
Relevant description in technology.It is succinct to describe, it is no longer discussed in detail herein.
Ink tank according to the present utility model, interconnecting piece passes through the flow path being arranged on the side wall of ink storing chamber and surge chamber connects
Logical, the structure of flow path is hardly damaged, and the top of interconnecting piece is not less than maximum black capacity marking line, even if atmospheric communicating pipe damages
It is bad, also guarantee that damage position is higher than the highest liquid level of the indoor ink of ink storage, so that ink be avoided undesirably to flow out.
Other side according to the present utility model also provides a kind of ink-jet printer.Ink-jet according to the present utility model
Printer can be structured as including printer body and any of the above-described kind of ink tank.
Ink-jet printer includes preferably four ink tanks.Four ink tank settings are being arranged in printer body side, example
Such as front side.The left side front of printer body is arranged in one of ink tank, is commonly used for accommodating black ink, the other three
The right front of printer body is arranged in ink tank, is from left to right respectively used to accommodate three kinds of cyan, magenta and yellow coloured silks
Chromatic ink.To which the ink-mist recording cromogram of black, four kinds of cyan, magenta and yellow colors can be used in ink-jet printer
Picture.It will be appreciated, of course, that according to actual needs, the ink tank of other quantity also can be set, and ink tank also can be set and beat
At the other positions of print machine ontology.It, can also be in addition, according to actual needs, ink tank can be fixedly mount to printer body
It is configured to be detachably mounted to printer body.
Unless otherwise defined, the technology of technical and scientific term used herein and the technical field of the utility model
The normally understood meaning of personnel is identical.Term used herein is intended merely to describe specifically to implement purpose, it is not intended that limit
The utility model processed.Terms such as herein presented " components " can both indicate single part, can also indicate multiple
The combination of part.The terms such as herein presented " installation ", " setting " can both indicate that a component was attached directly to separately
One component can also indicate that a component is attached to another component by middleware.Herein in one embodiment
The feature of description can be applied in combination another embodiment individually or with other feature, unless this feature is another at this
It is not suitable for or is otherwise noted in a embodiment.
The utility model is illustrated by above embodiment, but it is to be understood that, above embodiment
It is only intended to the purpose illustrated and illustrated, and is not intended to limit the invention within the scope of described embodiment.This
Outside it will be appreciated by persons skilled in the art that the utility model is not limited to above embodiment, according to the utility model
Introduction can also make more kinds of variants and modifications, it is claimed that these variants and modifications all fall within the utility model
Within range.
Claims (6)
1. a kind of ink tank, is used for ink-jet printer, the ink-jet printer has printer body, which is characterized in that the ink
Tank includes:
Ink storing chamber, the ink storing chamber are configured to accommodate the ink to be supplied to the printer body；
Surge chamber, the surge chamber and the ink storing chamber are in fluid communication；And
Atmosphere portion, the atmosphere portion include:
Flow path, the flow path and the surge chamber are in fluid communication, the side wall of at least part of the flow path and the ink storing chamber
It is integrally formed and extends on the side wall；
Interconnecting piece, the connecting portion is in the top of the flow path, and the top of the interconnecting piece is most not less than the ink storing chamber
Great Mo capacity marking line；With
Atmospheric communicating pipe, the atmospheric communicating pipe are connected to the interconnecting piece and are connected by the interconnecting piece and the flow path fluid
It is logical.
2. ink tank according to claim 1, which is characterized in that the top of the interconnecting piece is higher than the described of the ink storing chamber
Maximum ink capacity marking line.
3. ink tank according to claim 1, which is characterized in that the bottom end of the interconnecting piece is higher than the described of the ink storing chamber
Maximum ink capacity marking line.
4. ink tank according to claim 1, which is characterized in that the ink tank is made of resinous framework and film, the tree
It is arranged fluted on rouge frame, the film covers the groove to be formed described in the flow path in the atmosphere portion extremely
Few a part.
5. ink tank according to claim 1, which is characterized in that the ink tank further includes refilling portion, the refilling portion setting
It is connected in the top and having of the ink tank to inject the ink filling port of ink with the ink storing chamber.
6. a kind of ink-jet printer, which is characterized in that the ink-jet printer includes according to claim 1 to any one of 5
The ink tank.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821595724.5U CN209492293U (en) | 2018-09-28 | 2018-09-28 | Ink tank and ink-jet printer with it |
| US16/582,481 US20200101748A1 (en) | 2018-09-28 | 2019-09-25 | Ink tank and inkjet printer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821595724.5U CN209492293U (en) | 2018-09-28 | 2018-09-28 | Ink tank and ink-jet printer with it |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209492293U true CN209492293U (en) | 2019-10-15 |
Family
ID=68141491
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821595724.5U Active CN209492293U (en) | 2018-09-28 | 2018-09-28 | Ink tank and ink-jet printer with it |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209492293U (en) |
-
2018
- 2018-09-28 CN CN201821595724.5U patent/CN209492293U/en active Active
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