CN217671783U - Anti-string color ink pot - Google Patents

Abstract

The utility model discloses a prevent string ink jar, include: the top of the tank body is provided with an injection port and an atmosphere communication port which are communicated with the inner cavity of the tank body; the tank body is internally provided with an isolation chamber and an ink storage chamber which are communicated with each other; the injection port is communicated with the ink storage chamber through an isolation chamber, and the atmosphere communication port is communicated with the isolation chamber through the ink storage chamber; the tank body is provided with an outer discharge port which is communicated with the isolation chamber and the outside of the tank body; the tank body also comprises an observation part which is at least partially transparent; the jar body still is equipped with the piece of distinguishing of being convenient for look over the inside liquid property of observation portion. The utility model discloses an ink tank newly pours into when annotating black ink can not directly get into the ink reservoir, and the ink in the isolation chamber is convenient for observe the property and is discharged to can prevent effectively that the interior ink of jar from taking place the cross color or polluting.

Description

Anti-string color ink pot

Technical Field

The utility model relates to an ink-jet printing technical field especially relates to a prevent string ink jar.

Background

The existing ink bin type printer reminds a user to inject ink when ink in an ink tank is consumed to a preset low liquid level, but the user may forget to check the bottle body mark before injecting the ink, and the user is not convenient to observe the newly injected ink characters such as color and suspended matter conditions and the like in the ink injection process, so that ink cross color and pollution are easily caused. The existing ink tank usually uses the whole inner cavity as an ink storage chamber, and only has one discharge port for outputting ink to a printer, once the ink in the tank is subjected to color mixing or pollution, the ink tank can be detached to discharge all the ink, and then the ink tank is comprehensively cleaned, so that the inspection and maintenance work of the existing ink tank in the ink injection link is very complicated.

SUMMERY OF THE UTILITY MODEL

According to an aspect of the utility model, a prevent string ink jar is provided, include:

the top of the tank body is provided with an injection port and an atmosphere communication port which are communicated with the inner cavity of the tank body; an isolation chamber and an ink storage chamber which are communicated with each other are arranged in the tank body;

the injection port is communicated with the ink storage chamber through the isolation chamber, and the atmosphere communication port is communicated with the isolation chamber through the ink storage chamber;

the tank body is provided with an outer discharge port communicated with the isolation chamber and the outside of the tank body;

the tank body further comprises an observation part which is at least partially light-transmitting;

the jar body still is equipped with the piece of distinguishing of being convenient for look over the inside liquid property of observation portion.

In some embodiments, the tank includes a first side wall that is an end wall of the ink tank in a length direction;

the tank body further comprises a second side wall intersecting the first side wall;

a concave part is formed on the second side wall, and the concave part is overlapped with the isolation chamber and/or the ink storage chamber in the length direction of the tank body;

the outer discharge port and the discrimination member are provided in the recessed portion.

In some embodiments, the distinguishing member is a colorimetric whiteboard or a white light source.

In some embodiments, a first interface communicated with the isolation chamber and a second interface communicated with the ink storage chamber are arranged in the recessed portion;

the observation part is a flexible transparent tube which is communicated with the first interface and the second interface;

the distinguishing piece is positioned on one side of the concave part far away from the second side wall;

the outer row of ports are ports which are connected with the second interface through flexible transparent tubes.

In some embodiments, the recessed portion includes a step cavity, a length of a top portion of the step cavity in a length direction of the tank body is greater than a length of a bottom portion of the step cavity in the length direction of the tank body, and the second interface is disposed on a step surface of the step cavity.

In some embodiments, the length of the flexible transparent tube is greater than the height of the tank.

In some embodiments, the first port communicates with the bottom of the isolation chamber, the bottom wall of the isolation chamber is an obliquely arranged guide wall, and one end of the guide wall close to the first side wall is located above one end of the guide wall close to the first port.

In some embodiments, a valve member is disposed below the isolation chamber, the valve member having a first state that communicates the isolation chamber with the ink reservoir, a second state that communicates the isolation chamber with the outer discharge port, and a third state that closes a lower end of the isolation chamber;

the isolation chamber comprises a cylindrical cavity with a part being transparent, and the observation part is a part of the tank body corresponding to the cylindrical cavity.

In some embodiments, the outer side of the tank is recessed below the cylindrical cavity to provide a receiving portion for mating with the valve member;

the valve component comprises a cylindrical body which can rotate around an axis, a conducting flow channel is arranged in the cylindrical body, and the conducting flow channel comprises an inlet arranged at the center of the top of the cylindrical body and an outlet arranged on the side wall of the cylindrical body;

the accommodating part comprises an arc-shaped wall attached to the side wall of the cylindrical body, first through holes communicated with the ink storage chamber and second through holes communicated with the outer discharge port are arranged on the arc-shaped wall at intervals, and a third through hole communicated with the cylindrical cavity is arranged on the top wall of the accommodating part;

the introducing port is communicated with the third through hole, and the cylindrical body is rotated to the leading-out port to be communicated with the first through hole in the first state; in the second state, the cylindrical body is rotated to the outlet to be communicated with the second through hole; in the third state, the cylindrical body rotates to the outlet between the first through hole and the second through hole.

In some embodiments, the side wall of the recessed portion close to the first side wall is a light-transmitting front side wall, the cylindrical cavity is located between the first side wall and the front side wall in the length direction of the tank body, the cylindrical cavity includes a first light-transmitting wall close to the first side wall and a second light-transmitting wall close to the front side wall, the first light-transmitting wall is parallel to the second light-transmitting wall, the second light-transmitting wall and the front side wall at least partially coincide in the width direction of the tank body, and the identification member is disposed on the front side wall.

In some embodiments, the front sidewall is a dividing wall of the cylindrical cavity and the recess;

the first light-transmitting wall is overlapped with the first side wall, and the second light-transmitting wall is overlapped with the front side wall.

In some embodiments, the isolation chamber further comprises a funnel-shaped introduction cavity, and the cylindrical cavity is communicated with the injection port through the introduction cavity.

The utility model has the advantages that: the utility model discloses an ink tank newly pours into ink the time can not directly get into the ink reservoir, and the ink in the isolation chamber is convenient for observe the property and discharge to can prevent effectively that the jar interior ink from taking place the cross color or polluting.

Drawings

Fig. 1 is a top view of an anti-cross color ink tank according to a first embodiment of the present invention;

FIG. 2 isbase:Sub>A cross-sectional view A-A of FIG. 1;

FIG. 3 is a cross-sectional view B-B of FIG. 1;

fig. 4 is a front view of the cross color ink tank according to the second embodiment of the present invention;

FIG. 5 is a cross-sectional view C-C of FIG. 4;

FIG. 6 is a cross-sectional view taken along line D-D of FIG. 4;

FIG. 7 is a cross-sectional view E-E of FIG. 4;

FIG. 8 is an enlarged view of the structure at F in FIG. 7;

fig. 9 is a side view of the cross color ink tank according to the second embodiment of the present invention;

FIG. 10 is a sectional view taken along line G-G of FIG. 9;

fig. 11 is an enlarged structural view at H in fig. 10.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings, and it is to be understood that the described embodiments are only some of the described embodiments of the invention, and not all of them. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.

It should be noted that the terms "first", "second", etc. are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or to implicitly indicate the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one of the feature. In the description of the present invention, "a plurality" means at least two, e.g., two, three, etc., unless specifically limited otherwise.

In the present invention, unless otherwise expressly specified or limited, the terms "mounted," "connected," "secured," and the like are to be construed broadly and can include, for example, fixed connections, removable connections, or integral connections; they may be mechanically coupled, directly coupled, indirectly coupled through intervening media, coupled between two elements, or coupled in any other manner that does not materially affect the operation of the device, unless otherwise specifically limited. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.

In the present application, unless expressly stated or limited otherwise, the first feature may be directly on or directly under the second feature or indirectly via intermediate members. Also, a first feature "on," "over," and "above" a second feature may be directly or diagonally above the second feature, or may simply indicate that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature may be directly under or obliquely under the first feature, or may simply mean that the first feature is at a lesser elevation than the second feature.

In the description above, references to the description of the term "one embodiment," "some embodiments," "an example," "a specific example," or "some examples," etc., mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above are not necessarily intended to refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples. Furthermore, various embodiments or examples and features of different embodiments or examples described in this specification can be combined and combined by one skilled in the art without contradiction.

Example one

Fig. 1 and 2 schematically show an ink anti-crosstalk ink tank according to an embodiment of the present invention, which is provided in an inkjet printer (not shown in the drawings). As shown in the figure, the ink tank includes a hollow tank body 1, and the tank body 1 is provided with an injection port 2, an atmosphere communication port 3, an isolation chamber 4, an ink storage chamber 5, an external discharge port 6, an observation portion, and a discrimination member 7.

As shown in fig. 1 and fig. 2, the tank 1 is substantially rectangular, and the tank 1 is enclosed by two first side walls 11 disposed opposite to each other, two second side walls 12 disposed opposite to each other, and a top wall 13 and a bottom wall 14 disposed opposite to each other, wherein the first side walls 11 are end walls in the length direction of the ink tank, the second side walls 12 intersect the first side walls 11, the second side walls 12 are side walls in the width direction of the ink tank, and the top wall 13 and the bottom wall 14 are two end walls in the height direction of the ink tank.

As shown in fig. 2, the isolation chamber 4 and the ink storage chamber 5 are two chambers communicating with each other inside the can body 1, the isolation chamber 4 and the ink storage chamber 5 are respectively located at two sides of the can body 1 in the length direction, the space of the ink storage chamber 5 can be set larger than the space of the isolation chamber 4, and the can body 1 is further provided with a discharge port (not shown) communicating the ink storage chamber 5 and a printer head for supplying ink to the printer.

As shown in fig. 1 and 2, the inlet 2 and the atmosphere communication port 3 are disposed at the top of the tank 1 (the top wall 13 along the height direction of the ink tank), the inlet 2 and the atmosphere communication port 3 are through ports capable of communicating the inner cavity of the tank 1 with the outside, the inlet 2 is used for connecting with an ink bottle (not shown) for replenishing ink, and the atmosphere communication port 3 is capable of allowing air to enter the inner cavity of the tank 1 to keep the air pressure inside and outside the tank 1 balanced. The injection port 2 is communicated with the ink storage chamber 5 through the isolation chamber 4, the atmosphere communication port 3 is communicated with the isolation chamber 4 through the ink storage chamber 5, specifically, in the length direction of the can body 1, the injection port 2 and the isolation chamber 4 are located on the same side, and the atmosphere communication port 3 and the ink storage chamber 5 are located on the same side.

As shown in fig. 1 and 2, a concave portion 8 is formed on one of the second side walls 12 of the can body 1, the concave portion 8 is concave from the second side wall 12 to the inside of the can body 1, the length direction of the concave portion 8 extends along the height direction of the can body 1, and both ends of the concave portion 8 in the length direction may penetrate through the top wall 13 and the bottom wall 14 of the can body 1, or may not penetrate through the top wall 13 and the top wall 13 of the can body 1, that is, the bottom of the concave portion 8 is close to the bottom wall 14 of the can body 1, and the top of the concave portion 8 is close to the top wall 13 of the can body 1.

As shown in fig. 2, the recessed portion 8 is located between the isolation chamber 4 and the ink storage chamber 5 in the length direction of the ink tank, the recessed portion 8 overlaps with both the isolation chamber 4 and the ink storage chamber 5 in the length direction of the tank body 1, and a first interface 81 communicating with the isolation chamber 4 and a second interface 82 communicating with the ink storage chamber 5 are provided in the recessed portion 8.

Further, as shown in fig. 2, the recessed portion 8 is a stepped cavity, the length of the top of the stepped cavity in the length direction of the tank body 1 is greater than the length of the bottom of the stepped cavity in the length direction of the tank body 1, so that a stepped surface 83 is formed at a position of the stepped cavity close to the top, the stepped surface 83 is parallel to the top wall 13 of the tank body 1, the second port 82 is arranged on the stepped surface 83 of the stepped cavity, and the first port 81 is arranged at a position of the stepped cavity close to the bottom, that is, in the height direction of the tank body 1, the position of the second port 82 is higher than that of the first port 81.

As shown in fig. 1 and 2, the observation portion is a flexible transparent tube 9 communicating a first port 81 and a second port 82, the flexible transparent tube 9 is located in the recessed portion 8, and two ends of the flexible transparent tube 9 are respectively connected to the first port 81 and the second port 82, when ink is filled, the ink in the isolation chamber 4 can enter the flexible transparent tube 9 from the first port 81, and enter the ink storage chamber 5 from the second port 82 through the flexible transparent tube 9. When the ink enters the flexible transparent tube 9, the user can observe the behavior of the ink inside the flexible transparent tube 9. The flexible transparent tube 9 may be partially or fully light transmissive. The length of the flexible transparent pipe 9 is greater than the height of the tank body 1, and the first connector 81 is close to the bottom of the isolation chamber 4, and the second connector 82 is close to the top of the tank body 1, so that the length of the flexible transparent pipe 9 is set to be longer than the height of the tank body 1, and the two connectors can be better communicated.

As shown in fig. 1, the identification member 7 is also disposed in the recess 8, and the identification member 7 is located on a side of the recess 8 away from the second sidewall 12. In this embodiment, the identification member 7 is a color comparison white board, the identification member 7 may be a strip, the length direction of the strip also extends along the length direction of the can body 1, and the length of the identification member 7 may be less than or equal to the length of the recess 8. The observation part (flexible transparent tube 9) is positioned at the front side of the identification part 7, namely the observation part is closer to the second side wall 12 relative to the identification part 7, when a user views the liquid property in the observation part, the identification part 7 can form a white background at the rear side, so that the liquid property (color, suspended matter condition and the like) in the observation part can be conveniently viewed.

In this embodiment, as shown in fig. 2, the outer discharge port 6 is a port where the flexible transparent tube 9 is connected to the second interface 82, and when the port where the flexible transparent tube 9 is connected to the second interface 82 is pulled out from the second interface 82, the port connects the isolation chamber 4 with the outer discharge port 6 outside, and the position of the outer discharge port 6 is pulled to be lower than the position of the first interface 81, so that the ink in the isolation chamber 4 can be discharged to the outside from the outer discharge port 6.

Further, as shown in fig. 2 and 3, the first port 81 is communicated with the bottom of the isolation chamber 4, the bottom wall of the isolation chamber 4 is an obliquely arranged guide wall 41, and one end of the guide wall 41 close to the first side wall 11 is positioned above one end of the guide wall 41 close to the first port 81. The provision of the inclined guide wall 41 enables all of the ink in the isolation chamber 4 to be discharged from the first port 81, thereby reducing the ink remaining in the isolation chamber 4.

When filling ink, insert the ink bottle in filler opening 2, the first interface 81 and second interface 82 are connected respectively to the both ends of flexible transparent tube 9, squeeze the ink bottle and squeeze a certain amount of ink to isolation chamber 4, and the ink in isolation chamber 4 enters into the observation portion from first interface 81, under the white background of discerning 7, can observe the property of the ink in the observation portion very clearly, check whether the color of the ink of newly-filled corresponds with the ink tank, whether there is suspended solid etc. in the ink. If the color of the ink corresponds to the color of the ink, suspended matters and the like do not exist, the ink bottle can be continuously squeezed to inject the ink, the ink enters the ink storage chamber 5 along the flexible transparent tube 9, the highest liquid level in the ink storage chamber 5 does not exceed the height of the second connector 82, and the squeezing of the ink bottle is stopped after sufficient ink is injected.

After the ink filling is completed, the ink remaining in the isolation chamber 4 does not enter the ink reservoir 5, and the ink in the isolation chamber 4 cannot be used by the printer. The outer discharge port 6 of the flexible transparent tube 9 is pulled out from the second port 82, the outer discharge port 6 is communicated to the ink bottle, then the outer discharge port 6 and the ink bottle are placed at a position lower than the first port 81, and the residual ink in the isolation chamber 4 is completely discharged to the ink bottle along the inclined guide wall 41, so that the ink recovery in the isolation chamber 4 is completed.

In the ink filling process, if the color of the ink in the observation part is not corresponding to the ink tank or suspended matters exist, the ink cannot be filled continuously, the ink in the isolation chamber 4 needs to be discharged, the outer discharge port 6 of the flexible transparent tube 9 is pulled out from the second interface 82, then the outer discharge port 6 is communicated with the receiving container, then the outer discharge port 6 and the receiving container are placed at the position lower than the first interface 81, and the residual ink in the isolation chamber 4 is completely discharged to the outside along the inclined guide wall 41.

The ink newly injected into the ink tank of the embodiment cannot directly enter the ink storage chamber 5 when the ink is injected, and the ink in the isolation chamber 4 is convenient for observing properties and discharging, so that the ink in the tank can be effectively prevented from color mixing or pollution.

Example two

As shown in fig. 4, the present embodiment provides another cross-color ink-jet preventing tank, which is different from the first embodiment in that a valve member 20 is provided below the separation chamber 4.

In this embodiment, as shown in fig. 4-6 and 10, the isolation chamber 4 includes a cylindrical cavity 42 which is partially transparent to light, and the observation portion is a portion of the can body 1 corresponding to the cylindrical cavity 42. The longitudinal direction of the columnar chamber 42 extends along the height direction of the tank 1, and the isolation chamber 4 further includes a funnel-shaped introduction chamber 43, and the columnar chamber 42 is communicated with the injection port 2 through the introduction chamber 43.

As shown in fig. 6, 9 and 10, the columnar chamber 42 may be located at a position where the first side wall 11 and the second side wall 12 intersect, the recessed portion 8 is located at a side of the columnar chamber 42 away from the first side wall 11, and there is an overlap of the recessed portion 8 with the columnar chamber 42 and the ink reservoir 5 in the length direction of the can 1. The side wall of the concave part 8 close to the first side wall 11 is a light-transmitting front side wall 84, the columnar cavity 42 is positioned between the first side wall 11 and the front side wall 84 in the length direction of the can body 1, the columnar cavity 42 comprises a first light-transmitting wall 421 close to the first side wall 11 and a second light-transmitting wall 422 close to the front side wall 84, the first light-transmitting wall 421 is parallel to the second light-transmitting wall 422, the second light-transmitting wall 422 and the front side wall 84 at least partially coincide in the width direction of the can body 1, and the front side wall 84 is a partition wall between the columnar cavity 42 and the concave part 8; preferably, the first light-transmitting wall 421 coincides with the first side wall 11, and the second light-transmitting wall 422 coincides with the front side wall 84. The first light-transmitting wall 421 and the second light-transmitting wall 422, which are light-transmitting, are both observation portions, and a user can observe the liquid state in the columnar chamber 42 from the outside.

In this embodiment, as shown in fig. 9, the distinguishing member 7 is disposed on the front side wall 84, the distinguishing member 7 is a white light source, and light emitted from the white light source can pass through the second light-transmitting wall 422 and the first light-transmitting wall 421, and can also illuminate the ink in the cylindrical chamber 42, so as to facilitate checking the color and existence of suspended matter of the ink in the cylindrical chamber 42. The white light source may be an LED lamp panel, which is powered by the printer.

In this embodiment, as shown in fig. 7 to 9, the outer discharge port 6 is disposed in the recess 8 at a position close to the bottom of the recess 8.

In the present embodiment, as shown in fig. 4, 7, 8, 10 and 11, a valve member 20 is provided below the isolation chamber 4, and the valve member 20 has a first state in which the isolation chamber 4 communicates with the ink reservoir 5, a second state in which the isolation chamber 4 communicates with the outer discharge port 6, and a third state in which the lower end of the isolation chamber 4 is closed; specifically, the valve member 20 includes a cylindrical body 21 rotatable about an axis, a conduction flow path 211 is provided in the cylindrical body 21, and the conduction flow path 211 includes an inlet 212 provided at the center of the top of the cylindrical body 21 and an outlet 213 provided on the side wall of the cylindrical body 21.

Further, as shown in fig. 7, 8 and 11, the accommodating portion 22 engaged with the valve member 20 is recessed below the cylindrical chamber 42; the accommodating portion 22 includes an arc-shaped wall 221 attached to a side wall of the cylindrical body 21, a first through hole 222 communicating with the ink storage chamber 5 and a second through hole 223 communicating with the outer discharge port 6 are provided at intervals on the arc-shaped wall 221, and a third through hole 224 communicating with the cylindrical cavity 42 is provided on a top wall of the accommodating portion 22.

The introduction port 212 communicates with the third through hole 224, and in the first state, the column body 21 is turned to the introduction port 213 to communicate with the first through hole 222; in the second state, the cylindrical body 21 is transferred to the outlet 213 to be communicated with the second through hole 223; in the third state, the cylindrical body 21 turns to the lead-out opening 213 between the first through hole 222 and the second through hole 223.

As shown in fig. 7 and 8, a part of the side wall of the column 21 is exposed to the second side wall 12, and a user can touch the exposed part to rotate the column 21, thereby switching the state of the valve member 20.

When filling ink, insert the ink bottle into the filler 2, make the valve member 20 in the third state first, namely turn the cylindrical body 21 to lead the outlet 213 to locate between first through hole 222 and second through hole 223, close the bottom end of the separation chamber 4, squeeze the ink bottle and squeeze out a certain amount of ink to the cylindrical cavity 42, under the white light irradiation of the distinguishing part 7 (white light source), observe the property of the ink in the cylindrical cavity 42 from the front side of the first sidewall 11, if the property of the ink is normal, turn the cylindrical body 21 to lead the outlet 213 to connect with first through hole 222, the valve member 20 is in the first state, the ink in the separation chamber 4 can enter the ink reservoir 5;

in the process of ink filling, if the color of the ink in the cylindrical cavity 42 is not corresponding to the ink tank or suspended matters exist, the ink filling cannot be continued, and the ink in the cylindrical cavity 42 needs to be discharged, a conduit which is communicated between the outer discharge port 6 and the receiving container is firstly installed, then the cylindrical body 21 is rotated to turn the valve member 20 to the second state, the discharge port 213 is communicated with the second through hole 223, namely the discharge port 213 is communicated with the outer discharge port 6, and the ink in the cylindrical cavity 42 is discharged from the outer discharge port 6 and flows into the external receiving container along the conduit.

The ink tank of the embodiment can control the flow direction of the ink in the isolation chamber 4 by switching the conduction state of the valve member 20, the newly injected ink cannot directly enter the ink storage chamber 5 during ink injection, and the properties and the discharge of the ink in the isolation chamber 4 are convenient to observe, so that the cross color or the pollution of the ink in the tank can be effectively prevented.

What has been described above are only some embodiments of the invention. For those skilled in the art, without departing from the inventive concept, several modifications and improvements can be made, which are within the scope of the invention.

Claims (12)

1. An anti-cross color ink can, comprising:

the top of the tank body is provided with an injection port and an atmosphere communication port which are communicated with the inner cavity of the tank body; an isolation chamber and an ink storage chamber which are communicated with each other are arranged in the tank body;

the injection port is communicated with the ink storage chamber through the isolation chamber, and the atmosphere communication port is communicated with the isolation chamber through the ink storage chamber;

the tank body is provided with an outer discharge port communicated with the isolation chamber and the outside of the tank body;

the tank body also comprises an observation part which is at least partially transparent;

the jar body still is equipped with the piece of distinguishing of being convenient for look over the inside liquid property of observation portion.

2. The anti-crosstalk ink tank according to claim 1, wherein the tank body includes a first side wall which is an end wall in a length direction of the ink tank;

the can body further comprises a second sidewall intersecting the first sidewall;

a concave part is formed on the second side wall, and the concave part is overlapped with the isolation chamber and/or the ink storage chamber in the length direction of the tank body;

the outer discharge port and the discrimination member are provided in the recess portion.

3. The anti-crosstalk ink tank according to claim 2, wherein the discrimination member is a colorimetric white plate or a white light source.

4. The cross color prevention ink tank as claimed in claim 3, wherein a first interface communicated with the isolation chamber and a second interface communicated with the ink storage chamber are arranged in the recessed portion;

the observation part is a flexible transparent tube which is communicated with the first interface and the second interface;

the distinguishing piece is positioned on one side of the concave part far away from the second side wall;

the outer row of ports are ports which are connected with the second interface through flexible transparent tubes.

5. The cross-color prevention ink tank as claimed in claim 4, wherein the recessed portion comprises a step cavity, the length of the top of the step cavity in the length direction of the tank body is greater than the length of the bottom of the step cavity in the length direction of the tank body, and the second port is arranged on the step surface of the step cavity.

6. The anti-cross color ink tank of claim 5, wherein the length of the flexible transparent tube is greater than the height of the tank body.

7. The anti-crosstalk ink tank according to claim 6, wherein the first port communicates with the bottom of the partition chamber, the bottom wall of the partition chamber is an obliquely arranged guide wall, and one end of the guide wall close to the first side wall is positioned above one end of the guide wall close to the first port.

8. The cross-color ink tank of claim 3, wherein a valve member is disposed below the isolation chamber, the valve member having a first state that communicates the isolation chamber with the ink reservoir, a second state that communicates the isolation chamber with the outer discharge port, and a third state that closes a lower end of the isolation chamber;

the isolation chamber comprises a cylindrical cavity with a part being transparent, and the observation part is a part of the tank body corresponding to the cylindrical cavity.

9. The cross color prevention ink tank as claimed in claim 8, wherein an accommodating part for cooperating with the valve member is recessed below the cylindrical chamber outside the tank body;

the valve component comprises a cylindrical body which can rotate around an axis, a conducting flow channel is arranged in the cylindrical body, and the conducting flow channel comprises an inlet arranged at the center of the top of the cylindrical body and an outlet arranged on the side wall of the cylindrical body;

the accommodating part comprises an arc-shaped wall attached to the side wall of the cylindrical body, first through holes communicated with the ink storage chamber and second through holes communicated with the outer discharge port are arranged on the arc-shaped wall at intervals, and a third through hole communicated with the cylindrical cavity is arranged on the top wall of the accommodating part;

the introducing port is communicated with the third through hole, and the cylindrical body is rotated to the leading-out port to be communicated with the first through hole in the first state; in the second state, the cylindrical body is rotated to the outlet to be communicated with the second through hole; in the third state, the cylindrical body rotates to the outlet between the first through hole and the second through hole.

10. The anti-crosstalk ink tank according to claim 9, wherein a side wall of the recessed portion adjacent to the first side wall is a light-transmissive front side wall, the columnar chamber is located between the first side wall and the front side wall in a length direction of the tank body, the columnar chamber includes a first light-transmissive wall adjacent to the first side wall and a second light-transmissive wall adjacent to the front side wall, the first light-transmissive wall is parallel to the second light-transmissive wall, the second light-transmissive wall and the front side wall at least partially coincide in a tank body width direction, and the discrimination member is provided on the front side wall.

11. The anti-crosstalk ink tank according to claim 10, wherein the front side wall is a partition wall of the columnar chamber and the recessed portion;

the first light-transmitting wall is overlapped with the first side wall, and the second light-transmitting wall is overlapped with the front side wall.

12. The anti-crosstalk ink tank according to any one of claims 8 to 11, wherein the separation chamber further comprises a funnel-shaped introduction chamber, and the columnar chamber is communicated with the injection port through the introduction chamber.

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