CN217145379U - Ink cartridge and ink jet printer - Google Patents

Abstract

The utility model provides an ink horn and ink jet printer relates to and prints technical field. The ink box comprises an ink box shell, an expansion shell and a communicating piece; the rear surface of the ink box shell is provided with an air guide outflow hole and an ink inflow hole, and the expansion shell is provided with an air guide inflow hole and an ink outflow hole; the communicating piece is provided with a deformable clamping end, is arranged between the air guide outflow hole and the air guide inflow hole, and is also used for fixedly connecting the air guide outflow hole and the air guide inflow hole; and/or the communicating piece is used for communicating the ink inflow hole and the ink outflow hole, and the communicating piece is also used for fixedly connecting the ink inflow hole and the ink outflow hole. The communicating piece is used for fixedly connecting the air guide inflow hole and the air guide outflow hole and/or fixedly connecting the ink inflow hole and the ink outflow hole, so that the problem that the ink box shell and the expansion shell are separated from each other in the use process of the ink box can be avoided, and the stability between the ink box shell and the expansion shell can be improved.

Description

Ink cartridge and ink jet printer

Technical Field

The utility model relates to a print technical field, especially relate to an ink horn and ink jet printer.

Background

An ink cartridge is a component for storing printing ink in an ink jet printer, and is one of important components in an ink jet printer. In the design stage, manufacturers of inkjet printers consider that the same type of inkjet printer can be suitable for two types of ink cartridges with different capacities, and the sizes of the two types of ink cartridges are different. However, for the ink cartridge compatible manufacturer, it is necessary to prepare two types of empty cases at the same time, which will certainly increase the manufacturing cost of the compatible manufacturer. The smaller ink cartridge model contains a smaller amount of ink, so that the smaller ink cartridge model is more empty, while the larger ink cartridge model is less empty, and the ink cartridge recycling manufacturer can expand the capacity of the smaller ink cartridge model, namely expand the capacity of the smaller ink cartridge model.

In the related art, the ink cartridge includes a cartridge case and a capacity expansion case detachably coupled to each other and configured to contain ink, an air outflow port and an ink inflow port are formed in a rear surface of the cartridge case, the ink inflow port is located below the air outflow port, an air inflow tube and an ink outflow tube are formed in the capacity expansion case, and the ink outflow tube is located below the air inflow tube. When the ink box shell is combined with the expansion shell, the gas outlet is communicated with the gas inlet pipe, the ink inlet is communicated with the ink outlet pipe, the gas outlet and the gas inlet pipe are provided with a first sealing ring, and the ink inlet and the ink outlet pipe are provided with a second sealing ring.

However, the ink cartridge may be separated from the expansion case during use.

SUMMERY OF THE UTILITY MODEL

The utility model provides an ink box and ink jet printer to solve the ink box in the use, the problem that ink box casing and dilatation casing break away from can appear.

On one hand, the utility model provides an ink box, which comprises an ink box shell, an expansion shell and a communicating piece;

the ink box shell is provided with a front surface and a rear surface which are opposite, the front surface is provided with an ink outlet and a first air inlet, the rear surface is provided with an air guide outflow hole and an ink inflow hole, and the expansion shell is provided with an air guide inflow hole and an ink outflow hole;

the communicating piece is used for communicating the air guide outflow hole with the air guide inflow hole, and the communicating piece is also used for fixedly connecting the air guide outflow hole with the air guide inflow hole; and/or the presence of a gas in the gas,

the communication piece is arranged between the ink inflow hole and the ink outflow hole, is used for enabling the ink inflow hole and the ink outflow hole to be communicated with each other, and is also used for enabling the ink inflow hole and the ink outflow hole to be fixedly connected with each other.

Optionally, the communicating member includes a first communicating member and a second communicating member, the first communicating member and the second communicating member are both provided with deformable engaging ends, the first communicating member is disposed between the air guide outflow hole and the air guide inflow hole, the first communicating member is used for communicating and fixedly connecting the air guide outflow hole and the air guide inflow hole, the second communicating member is disposed between the ink inflow hole and the ink outflow hole, and the second communicating member is used for communicating and fixedly connecting the ink inflow hole and the ink outflow hole.

Optionally, the first communicating member includes a first fixing end and a deformable first engaging end, the first fixing end is provided with a first communicating hole, the first communicating hole penetrates through the first engaging end, and the first communicating hole is used for communicating the air guide outflow hole and the air guide inflow hole;

the second communicating member includes a second fixed end and a deformable second engaging end, the second fixed end is provided with a second communicating hole, the second communicating hole penetrates through the second engaging end, and the second communicating hole is used for communicating the ink inflow hole with the ink outflow hole.

Optionally, the first engaging end is engaged with the air guide outflow hole, the first fixing end is fixedly connected with the air guide inflow hole, the second engaging end is engaged with the ink inflow hole, and the second fixing end is fixedly connected with the ink outflow hole; or the like, or, alternatively,

the first clamping end is connected with the air guide inflow hole in a clamping mode, the first fixed end is fixedly connected with the air guide outflow hole, the second clamping end is connected with the ink outflow hole in a clamping mode, and the second fixed end is fixedly connected with the ink inflow hole.

Optionally, the first engaging end includes a first elastic arm and a second elastic arm, the first elastic arm and the second elastic arm are fixed on the first fixing end, and a gap is formed between the first elastic arm and the second elastic arm;

the second clamping end comprises a third elastic arm and a fourth elastic arm, the third elastic arm and the fourth elastic arm are fixed on the second fixing end, and a space is formed between the third elastic arm and the fourth elastic arm;

the first elastic arm and the second elastic arm are both provided with a first clamping surface, and the third elastic arm and the fourth elastic arm are both provided with a second clamping surface;

the first clamping surface is abutted with the inner wall of the ink box shell, and the second clamping surface is abutted with the inner wall of the ink box shell; or the like, or, alternatively,

the first clamping surface is abutted against the inner wall of the expansion shell, and the second clamping surface is abutted against the inner wall of the expansion shell.

Optionally, the first elastic arm and the second elastic arm are both provided with a first guide surface, a large end of the first guide surface is connected with the first engaging surface, and the first guide surface is used for enabling the first communicating member to slide into the air guide outflow hole or the air guide inflow hole along the first guide surface;

the third elastic arm and the fourth elastic arm are both provided with second guide surfaces, the large ends of the second guide surfaces are connected with the second clamping surfaces, and the second guide surfaces are used for enabling the second communication component to slide into the ink inflow hole or the ink outflow hole along the second guide surfaces.

Optionally, the front surface of the cartridge housing is provided with a recess in which a chip is disposed.

Optionally, the ink container further comprises a first sealing ring and a second sealing ring, the first sealing ring is sleeved on the first communicating part, the first sealing ring is arranged between the ink cartridge shell and the expansion shell, and the first sealing ring is used for sealing the air guide outflow hole and the air guide inflow hole;

the second sealing ring is sleeved on the second communicating part, the second sealing ring is arranged between the ink box shell and the expansion shell, and the second sealing ring is used for sealing the ink inflow hole and the ink outflow hole.

Optionally, the cartridge case and the expansion case are provided with bonding members on both sides of the cartridge case, and the bonding members are used for bonding the cartridge case and the expansion case together.

In another aspect, the present invention provides an ink jet printer, comprising: an apparatus main body and the ink cartridge as described above;

the ink cartridge is detachably mounted in the apparatus main body.

The utility model provides an ink box and ink jet printer flows into fixed connection between hole and the air guide outflow hole and/or flows into the ink with fixed connection between hole and the ink outflow hole through the intercommunication piece, can avoid the ink box can appear the problem that ink box casing and dilatation casing break away from in the use to can improve the stability between ink box casing and the dilatation casing.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed to be used in the description of the embodiments or the prior art will be briefly described below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without inventive labor.

Fig. 1 is a schematic structural diagram of an ink cartridge according to an embodiment of the present invention;

FIG. 2 is an exploded view of the ink cartridge of FIG. 1;

FIG. 3 is a schematic view of the internal structure of the ink cartridge of FIG. 1;

FIG. 4 is a schematic cross-sectional view of the ink cartridge of FIG. 1;

FIG. 5 is a schematic view of the cartridge housing of FIG. 1;

FIG. 6 is a schematic view of the expansion housing of FIG. 1;

FIG. 7 is a schematic view of the expansion housing, the first communication member and the second communication member of FIG. 2;

FIG. 8 is a schematic view of another ink cartridge according to an embodiment of the present invention;

FIG. 9 is an exploded view of the ink cartridge of FIG. 8;

FIG. 10 is a schematic cross-sectional view of the ink cartridge of FIG. 8;

fig. 11 is a schematic structural view of the expansion case, the first communication member, and the second communication member of fig. 9.

Description of reference numerals:

10-cartridge housing; 101-a front surface; 102-a rear surface; 103-left surface; 104-right surface; 105-an upper surface; 106-lower surface; 107-recesses; 108-a first chip mounting board; 109-chip; 110-a second chip mounting board; 11-an ink outlet; 12-a first air inlet; 13-gas guiding outflow holes; 14-ink inflow hole; 15-pressure bag; 16-a resilient element; 17-a baffle plate; 18-ball valve;

20-expansion shell; 201-front panel; 202-a back panel; 203-upper panel; 204-lower panel; 205-left panel; 206-cover plate; 21-air guide inflow hole; 22-ink outflow hole;

30-a first communication member; 31-a first fixed end; 301-a first through-hole; 302-a first engaging surface; 303 — a first guide surface; 32-a first engagement end; 321-a first resilient arm; 322-a second resilient arm;

40-a second communication member; 41-a second fixed end; 42-a second engagement end; 401-second communication hole; 402-a second engaging surface; 403-a second guide surface; 421-third resilient arm; 422-fourth resilient arm;

51-a first seal ring; 52-a second seal ring; and 60, bonding pieces.

Detailed Description

In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all, embodiments of the present invention. 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" and "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such 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; may be mechanically coupled, may be electrically coupled or may be in communication with each other; they may be directly connected or indirectly connected through intervening media, or they may be connected internally or in any other suitable relationship, unless expressly stated otherwise. 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., are intended to 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.

In the related art, the first sealing ring between the gas outlet of the cartridge case and the gas inlet pipe of the expansion case relatively fixes the gas outlet of the cartridge case and the gas inlet pipe of the expansion case by dispensing; the second sealing ring between the ink inflow port of the ink box shell and the ink outflow pipe of the expansion shell enables the ink inflow port of the ink box shell and the ink outflow pipe of the expansion shell to be relatively fixed in a dispensing mode. However, the ink cartridge housing and the expansion housing are fixed by dispensing, and the ink cartridge can be separated from the expansion housing during use.

In order to solve the problem, the utility model provides an ink box and ink jet printer through the intercommunication piece with fixed connection between air guide inflow hole and the air guide outflow hole and/or with fixed connection between ink inflow hole and the ink outflow hole, can avoid the ink box can appear the problem that ink box casing and dilatation casing break away from in the use to can improve the stability between ink box casing and the dilatation casing.

The following describes in detail the ink cartridge and the inkjet printer according to the embodiments of the present invention with reference to specific embodiments.

Fig. 1 is a schematic structural diagram of an ink cartridge according to an embodiment of the present invention; FIG. 2 is an exploded view of the ink cartridge of FIG. 1; FIG. 3 is a schematic view of the internal structure of the ink cartridge of FIG. 1; FIG. 4 is a schematic cross-sectional view of the ink cartridge of FIG. 1; FIG. 5 is a schematic view of the cartridge housing of FIG. 1;

FIG. 6 is a schematic view of the expansion housing of FIG. 1; fig. 7 is a schematic structural view of the expansion case, the first communication member, and the second communication member of fig. 2.

As shown in fig. 1 and 2, an embodiment of the present invention provides an ink cartridge, which includes a cartridge case 10, an expansion case 20, and a communicating member.

The cartridge case 10 may be formed by modifying an empty cartridge case with a smaller capacity, or may be formed by injection molding, and is not specifically configured here.

As shown in fig. 1 and 5, the cartridge case 10 has a polygonal shape as a whole. The cartridge case 10 is provided with an ink outlet 11 and a first air inlet 12 for connection to an ink jet printer.

The side where the ink outlet 11 is located is defined as the front side, i.e., the direction indicated by + X, and the side opposite to the front side is defined as the rear side, i.e., the direction indicated by-X, with respect to the state of the ink cartridge case 10 after being mounted, and when viewed from the front side, the left side of the line of sight is + Y, the right side of the line of sight is-Y, the upper side of the line of sight is + Z, and the lower side of the line of sight is-Z. The cartridge housing 10 has a front surface 101 on the front side, a rear surface 102 on the rear side, a left surface 103 on the left side, a right surface 104 on the right side, an upper surface 105 on the upper side, and a lower surface 106 on the lower side. The front surface 101, the rear surface 102, the left surface 103, the right surface 104, the upper surface 105, and the lower surface 106 of the cartridge case 10 enclose a cavity that contains ink.

The air guide outflow hole 13 and the ink inflow hole 14 are provided on the rear surface 102 of the cartridge case 10.

Note that the ink outlet 11 and the first air inlet 12 are provided on the front surface 101, the ink outlet 11 is located below the first air inlet 12, and an ink injection inlet is provided between the ink outlet 11 and the first air inlet 12. The ink inflow hole 14 is located below the air guide outflow hole 13.

As shown in fig. 3, a pressure bag 15, an elastic member 16, a stopper 17, a ball valve 18, and a second air inlet are provided in the cavity of the cartridge case 10. The pressure bag 15 is connected with the first air inlet 12, and air can be fed or discharged into the pressure bag 15 through the first air inlet 12; the elastic element 16 abuts against the pressure bag 15, and the elastic element 16 is used for preventing the pressure bag 15 from being over-expanded; the baffle 17 is connected with the ball valve 18, and the baffle 17 is driven to move by the air intake or air exhaust of the pressure bag 15, so that the ball valve 18 opens or closes the second air inlet; the second inlet port communicates with the air guide outflow hole 13. It should be noted that the air introduced from the second air inlet port flows out from the air guide outflow hole 13, and does not flow out from the ink inflow hole 14.

The resilient member 16 comprises a leaf spring, which may be relatively flat. The spring plate may be disposed between the sidewall of the cartridge case 10 and the pressure bag 15 and/or against the sidewall of the cartridge case 10 and the pressure bag 15. The resilient element 16 may comprise at least one or at least two biasing legs biasing the spring leaf towards the pressure bag 15. The spring plate may include a bonding surface for engaging the pressure pocket 15. The spring plate further includes at least one gripping extension for gripping and assembling the spring plate. Specifically, the resilient element 16 includes two opposing biasing legs disposed around an outer contour of the engagement surface of the spring plate, the biasing legs being bendable in a surface perpendicular to the side walls of the cartridge housing 10 to bias the spring plate away from the side walls of the cartridge housing 10.

The flap 17 is configured to be pivotable substantially about a pivot axis. Flap 17 may be combined with a ball valve 18, the ball valve 18 sealing the second inlet port. The ball valve 18 may comprise a rubber disc which closes the second inlet between the flap 17 and the rubber disc.

In the above described embodiment the pressure bag 15 actuates the ball valve 18 via the resilient element 16 and the flap 17, however, in other embodiments the ball valve 18 may be actuated directly by the pressure bag 15 or via one of the resilient element 16 or the flap 17 or via other arrangements.

As shown in fig. 1 and 6, the flash case 20 is similar in shape to the cartridge case 10 as a whole. The expansion case 20 contains ink therein for combining with the cartridge case 10 to expand the cavity capacity of the cartridge case 10.

Like the cartridge case 10, the expansion case 20 also has the front, rear, lower, left, and right. The capacity expansion case 20 and the cartridge case 10 have the same size in the up-down direction, and thus the capacity expanded cartridge is substantially flush in the up-down direction; the expansion case 20 and the cartridge case 10 have the same size in the left-right direction, and thus the expanded ink cartridge is substantially flush in the left-right direction.

The flash housing 20 abuts the rear surface 102 of the cartridge housing 10. The surface of the flash case 20 that abuts the rear surface 102 of the cartridge case 10 is provided with an air guide inflow hole 21 and an ink outflow hole 22. When the cartridge case 10 and the expansion case 20 are combined, the air guide inflow hole 21 communicates with the air guide outflow hole 13, and the ink outflow hole 22 communicates with the ink inflow hole 14.

As shown in FIG. 6, the expansion case 20 includes a front panel 201, a rear panel 202, an upper panel 203, a lower panel 204, a left panel 205, and a cover panel 206, the front panel 201 is disposed opposite to the rear panel 202, the upper panel 203 is disposed opposite to the lower panel 204, the left panel 205 is disposed opposite to the cover panel 206, the front panel 201 is vertically connected to the upper panel 203, the lower panel 204, and the left panel 205, respectively, the rear panel 202 is vertically connected to the upper panel 203, the lower panel 204, and the left panel 205, respectively, the front panel 201, the rear panel 202, the upper panel 203, the lower panel 204, and the left panel 205 enclose an open-sided ink storage space, and the cover panel 206 covers the open side. The front panel 201, the rear panel 202, the upper panel 203, the lower panel 204, the left panel 205 and the cover panel 206 are all rectangular in shape.

The communicating piece is provided with a deformable clamping end. The communicating piece is arranged between the air guide outflow hole 13 and the air guide inflow hole 21, the communicating piece is used for communicating the air guide outflow hole 13 with the air guide inflow hole 21, and the communicating piece is also used for fixedly connecting the air guide outflow hole 13 with the air guide inflow hole 21; and/or, a communication member is arranged between the ink inflow hole 14 and the ink outflow hole 22, the communication member is used for communicating the ink inflow hole 14 and the ink outflow hole 22, and the communication member is also used for fixedly connecting the ink inflow hole 14 and the ink outflow hole 22.

In the first alternative embodiment, the communicating member is provided only between the air guide outflow hole 13 and the air guide inflow hole 21, the communicating member is used to communicate between the air guide outflow hole 13 and the air guide inflow hole 21, and the communicating member is also used to fixedly connect between the air guide outflow hole 13 and the air guide inflow hole 21.

In the second alternative embodiment, the communicating member is only provided between the ink inlet hole 14 and the ink outlet hole 22, the communicating member is used for communicating the ink inlet hole 14 and the ink outlet hole 22, and the communicating member is also used for fixedly connecting the ink inlet hole 14 and the ink outlet hole 22.

In the third alternative embodiment, the communicating members are provided between the air outflow hole 13 and the air inflow hole 21 and between the ink inflow hole 14 and the ink outflow hole 22, for communicating between the air outflow hole 13 and the air inflow hole 21 and between the ink inflow hole 14 and the ink outflow hole 22, and for fixedly connecting between the air outflow hole 13 and the air inflow hole 21 and between the ink inflow hole 14 and the ink outflow hole 22. In this embodiment, the communicating member may include a first communicating member 30 and a second communicating member 40, the first communicating member 30 and the second communicating member 40 are both provided with deformable engaging ends, the first communicating member 30 is disposed between the air guide outflow hole 13 and the air guide inflow hole 21, the first communicating member 30 is used for communicating between the air guide outflow hole 13 and the air guide inflow hole 21, the second communicating member 40 is disposed between the ink inflow hole 14 and the ink outflow hole 22, the first communicating member 30 is further used for fixedly communicating between the air guide outflow hole 13 and the air guide inflow hole 21, the second communicating member 40 is used for communicating between the ink inflow hole 13 and the ink outflow hole 22, and the second communicating member 40 is further used for fixedly connecting between the ink inflow hole 14 and the ink outflow hole 22.

The embodiment of the utility model provides an ink box ink delivery process: when the ink box is in use, the pressure bag 15 is inflated through the first air inlet 12 of the ink box, so that the air pressure in the ink box shell 10 is increased, and the ink is output from the ink outlet 11; the flap 17 is driven by the inflation of the pressure bag 15 to move, so that the ball valve 18 opens the second air inlet, the air entering from the second air inlet will flow into the expansion case 20 from the air outlet 13, the air pressure inside the expansion case 20 increases, and the ink inside the expansion case 20 enters the cartridge case 10 from the ink outlet 22 and the ink inlet 14.

The embodiment of the utility model provides an ink box, through the intercommunication piece with air guide inflow hole 21 and air guide outflow hole 13 between fixed connection and/or with the ink inflow hole 14 and the ink outflow hole 22 between fixed connection, can avoid the ink box can appear the problem that ink box casing 10 and dilatation casing 20 break away from in the use to can improve the stability between ink box casing 10 and the dilatation casing 20.

Alternatively, as shown in fig. 2 and 7, the first communicating member 30 includes a first fixing end 31 and a deformable first engaging end 32, the first fixing end 31 is provided with a first communicating hole 301, the first communicating hole 301 penetrates the first engaging end 32, and the first communicating hole 301 is used to communicate the air guide outflow hole 13 and the air guide inflow hole 21.

The first engaging end 32 may be engaged with the air guide outflow hole 13, and the first fixing end 31 may be fixedly connected with the air guide inflow hole 21. In another embodiment, the first engaging end 32 may be engaged with the air guide inlet hole 21, and the first fixed end 31 may be fixedly connected to the air guide outlet hole 13. So arranged, the air guide outflow hole 13 and the air guide inflow hole 21 can be fixedly connected to each other.

The shape of the first fixing end 31 may be cylindrical or other shapes, and is not specifically set herein.

The first engaging end 32 includes a first elastic arm 321 and a second elastic arm 322, the first elastic arm 321 and the second elastic arm 322 are fixed on the first fixing end 31, and a gap is formed between the first elastic arm 321 and the second elastic arm 322. The first elastic arm 321 and the second elastic arm 322 are both elastically deformable, and the first elastic arm 321 and the second elastic arm 322 are elastically deformable in a direction to approach each other, so that the first engaging end 32 can be easily engaged in the air guide inflow hole 21 or the air guide outflow hole 13.

The first elastic arm 321 and the second elastic arm 322 are both provided with a first engaging surface 302, and the first engaging surface 302 may contact with the inner wall of the cartridge case 10 or the inner wall of the expansion case 20.

In an alternative embodiment, as shown in fig. 4, 5 and 7, the first and second elastic arms 321 and 322 of the first engaging end 32 are engaged with the air guide outflow hole 13, and the first fixing end 31 is welded to the air guide inflow hole 21. When the first elastic arm 321 and the second elastic arm 322 of the first engaging end 32 are engaged with the air guide outlet 13, the first engaging surface 302 abuts against the inner wall of the cartridge case 10.

The first fixed end 31 may be located in the air guide inflow hole 21 or may be located outside the air guide inflow hole 21.

In this embodiment, in addition to the first fixed end 31 and the air guide inlet 21 being fixedly connected by welding, the first fixed end 31 and the air guide inlet 21 may be fixedly connected by integrally forming the front plate 201 of the expansion case 20 and the first communicating member 30.

Fig. 8 is a schematic structural view of another ink cartridge provided in an embodiment of the present invention; FIG. 9 is an exploded view of the ink cartridge of FIG. 8; FIG. 10 is a schematic cross-sectional view of the ink cartridge of FIG. 8; fig. 11 is a schematic structural view of the expansion case, the first communication member, and the second communication member of fig. 9.

In another alternative embodiment, as shown in fig. 9, 10 and 11, the first and second elastic arms 321 and 322 of the first engaging end 32 are engaged with the air guide inflow hole 21, and the first fixing end 31 is welded to the air guide outflow hole 13. When the first elastic arm 321 and the second elastic arm 322 of the first engaging end 32 are engaged with the air guide inlet 21, the first engaging surface 302 abuts against the inner wall of the expansion case 20.

The first fixed end 31 may be located in the air guide outflow hole 13 or may be located outside the air guide outflow hole 13.

Further, as shown in fig. 7, the first elastic arm 321 and the second elastic arm 322 are each provided with a first guide surface 303, a large end of the first guide surface 303 is connected to the first engaging surface 302, and the first guide surface 303 is used for sliding the first communicating member 30 into the air guide outlet 13 or the air guide inlet 21 along the first guide surface 303. With this arrangement, the first engaging end 32 can be further easily engaged with the air guide inlet hole 21 or the air guide outlet hole 13.

The first engaging surface 302 is provided between the first guide surface 303 and the first fixed end 31. The first guide surface 303 gradually decreases in cross-sectional area in the axial direction of the first communicating member 30 and in a direction away from the first fixed end 31. The end of the first guide surface 303 away from the first engaging surface 302 is the small end of the first engaging surface 302, and the end of the first guide surface 303 close to the first engaging surface 302 is the large end of the first engaging surface 302.

A transition surface may be provided between the first guide surface 303 and the first engaging surface 302.

Alternatively, as shown in fig. 2 and 7, the second communicating member 40 includes a second fixed end 41 and a deformable second engaging end 42, the second fixed end 41 is provided with a second communicating hole 401, the second communicating hole 401 penetrates the second engaging end 42, and the second communicating hole 401 is used for communicating the ink inflow hole 14 and the ink outflow hole 22.

The second engaging end 42 can be engaged with the ink inlet 14, and the second fixed end 41 can be fixedly connected with the ink outlet 22. In another embodiment, the second engaging end 42 may be engaged with the ink outlet 22, and the second fixed end 41 may be fixed to the ink inlet 14. This arrangement makes it possible to fixedly connect the ink inlet hole 14 and the ink outlet hole 22.

It should be noted that the structure of the second communicating member 40 may be similar to that of the first communicating member 30.

The shape of the second fixing end 41 may be a cylinder shape, or may be other shapes, and is not specifically set herein.

The second engaging end 42 includes a third elastic arm 421 and a fourth elastic arm 422, the third elastic arm 421 and the fourth elastic arm 422 are fixed on the second fixing end 41, and a gap is formed between the third elastic arm 421 and the fourth elastic arm 422. The third elastic arm 421 and the fourth elastic arm 422 can be elastically deformed, and the third elastic arm 421 and the fourth elastic arm 422 can be elastically deformed in a direction of approaching each other, so that the second engaging end 42 can be easily engaged in the ink inlet hole 14 or the ink outlet hole 22.

The third elastic arm 421 and the fourth elastic arm 422 are both provided with a second engaging surface 402, and the second engaging surface 402 may contact with the inner wall of the cartridge case 10 or the inner wall of the expansion case 20.

In an alternative embodiment, as shown in fig. 3, 5 and 7, the third elastic arm 421 and the fourth elastic arm 422 of the second engaging end 42 are engaged with the ink inlet hole 14, and the second fixing end 41 is welded to the ink outlet hole 22. When the third elastic arm 421 and the fourth elastic arm 422 of the second engaging end 42 engage with the ink inlet 14, the second engaging surface 402 abuts against the inner wall of the cartridge case 10.

The second fixed end 41 may be located in the ink outflow hole 22 or may be located outside the ink outflow hole 22.

In this embodiment, the second fixed end 41 and the ink outlet 22 are fixedly connected by welding, and the second fixed end 41 and the ink outlet 22 may be fixedly connected by integrally forming the front panel 201 of the volume-expandable casing 20 and the second communicating member 40.

In another alternative embodiment, as shown in fig. 9, 10 and 11, the third elastic arm 421 and the fourth elastic arm 422 of the second engaging end 42 are engaged with the ink outlet 22, and the second fixed end 41 is welded to the ink inlet 14. When the third elastic arm 421 and the fourth elastic arm 422 of the second engaging end 42 are engaged with the ink outlet 22, the second engaging surface 402 abuts against the inner wall of the expandable casing 20.

The second fixed end 41 may be located in the ink inflow hole 14 or may be located outside the ink inflow hole 14.

Further, as shown in fig. 7, the third elastic arm 421 and the fourth elastic arm 422 are each provided with a second guide surface 403, a large end of the second guide surface 403 is connected to the second engaging surface 402, and the second guide surface 403 is used to slide the second communicating member 40 along the second guide surface 403 into the ink outlet hole 22 or the ink inlet hole 14. With this arrangement, the second engaging end 42 can be further easily engaged with the ink outlet 22 or the ink inlet 14.

The second engaging surface 402 is provided between the second guide surface 403 and the second fixed end 41. The second guide surface 403 gradually decreases in cross-sectional area in the axial direction of the second communicating member 40 and in a direction away from the second fixed end 41. The end of the second guide surface 403 away from the second engaging surface 402 is the small end of the second engaging surface 402, and the end of the second guide surface 403 close to the second engaging surface 402 is the large end of the second engaging surface 402.

A transition surface may be provided between the second guide surface 403 and the second engagement surface 402.

Alternatively, as shown in fig. 2 and 4, the ink cartridge further includes a first seal ring 51 and a second seal ring 52, the first seal ring 51 is fitted over the first communicating member 30, the first seal ring 51 is provided between the cartridge case 10 and the expansion case 20, and the first seal ring 51 is used to seal the air guide flow-out hole 13 and the air guide flow-in hole 21. With this arrangement, the air leakage problem between the air guide outflow hole 13 and the air guide inflow hole 21 can be prevented.

Specifically, the first seal 51 abuts against the rear surface 102 of the cartridge case 10 and the front panel 201 of the expansion case 20, respectively.

The second sealing ring 52 is fitted over the second communicating member 40, the second sealing ring 52 is disposed between the cartridge case 10 and the expansion case 20, and the second sealing ring 52 is used to seal the ink inlet hole 14 and the ink outlet hole 22. With this arrangement, it is possible to prevent the ink leakage problem between the air guide outflow hole 13 and the air guide inflow hole 21.

Specifically, the second seal 52 abuts against the rear surface 102 of the cartridge case 10 and the front panel 201 of the flash case 20, respectively.

Alternatively, as shown in fig. 1 and 2, the cartridge case 10 and the expansion case 20 are provided with bonding members 60 on both left and right sides of the cartridge case 10, the bonding members 60 being used to bond the cartridge case 10 and the expansion case 20 together. With this arrangement, after the cartridge case 10 and the expansion case 20 are fixed to each other by the first communicating member 30 and the second communicating member 40, the cartridge case 10 and the expansion case 20 can be further fixed to each other by the adhesive member 60, and the stability between the cartridge case 10 and the expansion case 20 can be further improved.

The adhesive 60 is a member having an adhesive function, such as an adhesive label.

Alternatively, as shown in fig. 4, the front surface 101 of the cartridge case 10 is provided with a recess 107, and the chip 109 is provided in the recess 107.

Wherein the recess 107 penetrates the cartridge housing 10 in a direction in which the left surface 103 is directed to the right surface 104. The recess 107 may receive an electrical connector of the inkjet printer to establish an electrical connection between the chip 109 and the electrical connector.

The chip 109 mounting is performed in the following manner.

In an alternative embodiment, as shown in fig. 4, a first chip mounting board 108 is disposed on the recess 107, the first chip mounting board 108 extends along the front surface 101 in a direction toward the rear surface 102, a chip 109 is mounted on the first chip mounting board 108, and the chip 109 is located on a side of the first chip mounting board 108 facing the right surface 104. The first chip mounting board 108 is a chip mounting board in a recess in the empty case of the ink cartridge of a small capacity for remanufacturing.

In another alternative embodiment, as shown in fig. 8, a first chip mounting board 108 and a second chip mounting board 110 are disposed on the recess 107, the first chip mounting board 108 and the second chip mounting board 110 are disposed parallel to each other, the second chip mounting board 110 is disposed on the right side of the first chip mounting board 108, the first chip mounting board 108 and the second chip mounting board 110 both extend along the front surface 101 in a direction toward the rear surface 102, the chip 109 is mounted on the second chip mounting board 110, and the chip 109 is disposed on the side of the second chip mounting board 110 facing the left surface 103. The first chip mounting board 108 is a chip mounting board in the recess of the cartridge case for remanufacturing of a smaller capacity, and the second chip mounting board 110 is a chip mounting board newly added to the recess of the cartridge case for remanufacturing of a smaller capacity.

The embodiment of the utility model also provides an ink-jet printer, which comprises a device main body and an ink box; the ink cartridge is detachably mounted in the apparatus main body.

The ink cartridge in this embodiment has the same structure as the ink cartridge provided in any of the above embodiments, and can bring about the same or similar technical effects, and therefore, the details are not repeated herein, and specific reference may be made to the description of the above embodiments.

Finally, it should be noted that: the above embodiments are only used to illustrate the technical solution of the present invention, and not to limit the same; although the present invention has been described in detail with reference to the foregoing embodiments, it should be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some or all of the technical features may be equivalently replaced; such modifications and substitutions do not depart from the spirit and scope of the present invention.

Claims (10)

1. An ink box is characterized by comprising an ink box shell, an expansion shell and a communicating piece;

the ink box shell is provided with a front surface and a rear surface which are opposite, the front surface is provided with an ink outlet and a first air inlet, the rear surface is provided with an air guide outflow hole and an ink inflow hole, and the expansion shell is provided with an air guide inflow hole and an ink outflow hole;

the communication piece is provided with a deformable clamping end, the communication piece is arranged between the air guide outflow hole and the air guide inflow hole, the communication piece is used for communicating the air guide outflow hole and the air guide inflow hole, and the communication piece is also used for fixedly connecting the air guide outflow hole and the air guide inflow hole; and/or the presence of a gas in the gas,

the communication piece is arranged between the ink inflow hole and the ink outflow hole, is used for enabling the ink inflow hole and the ink outflow hole to be communicated with each other, and is also used for enabling the ink inflow hole and the ink outflow hole to be fixedly connected with each other.

2. The ink cartridge as claimed in claim 1, wherein the communicating member includes a first communicating member and a second communicating member, the first communicating member and the second communicating member each being provided with a deformable engaging end, the first communicating member being provided between the air guide outflow hole and the air guide inflow hole, the first communicating member being for communicating and fixedly connecting between the air guide outflow hole and the air guide inflow hole, the second communicating member being provided between the ink inflow hole and the ink outflow hole, the second communicating member being for communicating and fixedly connecting between the ink inflow hole and the ink outflow hole.

3. The ink cartridge as claimed in claim 2, wherein the first communicating member includes a first fixing end provided with a first communicating hole for communicating the air guide outflow hole and the air guide inflow hole, and a deformable first engaging end;

the second communicating member includes a second fixed end and a deformable second engaging end, the second fixed end is provided with a second communicating hole, the second communicating hole penetrates through the second engaging end, and the second communicating hole is used for communicating the ink inflow hole with the ink outflow hole.

4. The ink cartridge as claimed in claim 3, wherein the first engaging end is engaged with the air guide outflow hole, the first fixing end is fixedly connected with the air guide inflow hole, the second engaging end is engaged with the ink inflow hole, and the second fixing end is fixedly connected with the ink outflow hole; or the like, or, alternatively,

the first clamping end is connected with the air guide inflow hole in a clamping mode, the first fixed end is fixedly connected with the air guide outflow hole, the second clamping end is connected with the ink outflow hole in a clamping mode, and the second fixed end is fixedly connected with the ink inflow hole.

5. The ink cartridge as in claim 4, wherein the first engaging end comprises a first resilient arm and a second resilient arm, the first resilient arm and the second resilient arm being fixed to the first fixed end with a gap therebetween;

the second clamping end comprises a third elastic arm and a fourth elastic arm, the third elastic arm and the fourth elastic arm are fixed on the second fixing end, and a space is formed between the third elastic arm and the fourth elastic arm;

the first elastic arm and the second elastic arm are both provided with a first clamping surface, and the third elastic arm and the fourth elastic arm are both provided with a second clamping surface;

the first clamping surface is abutted with the inner wall of the ink box shell, and the second clamping surface is abutted with the inner wall of the ink box shell; or the like, or, alternatively,

the first clamping surface is abutted with the inner wall of the expansion shell, and the second clamping surface is abutted with the inner wall of the expansion shell.

6. The ink cartridge as claimed in claim 5, wherein the first elastic arm and the second elastic arm are each provided with a first guide surface, a large end of the first guide surface is connected to the first engaging surface, and the first guide surface is configured to slide the first communicating member along the first guide surface into the air guide outlet or the air guide inlet;

the third elastic arm and the fourth elastic arm are both provided with second guide surfaces, the large ends of the second guide surfaces are connected with the second clamping surfaces, and the second guide surfaces are used for enabling the second communication component to slide into the ink inflow hole or the ink outflow hole along the second guide surfaces.

7. The ink cartridge according to any one of claims 1 to 6, wherein a front surface of the cartridge case is provided with a recess in which a chip is disposed.

8. The ink cartridge as claimed in any of claims 2 to 6, further comprising a first seal ring and a second seal ring, the first seal ring being fitted over the first communicating member, the first seal ring being provided between the cartridge case and the expansion case, the first seal ring being for sealing the air guide outflow hole and the air guide inflow hole;

the second sealing ring is sleeved on the second communicating part, the second sealing ring is arranged between the ink box shell and the expansion shell, and the second sealing ring is used for sealing the ink inflow hole and the ink outflow hole.

9. The ink cartridge as claimed in any one of claims 1 to 6, wherein said cartridge case and said expansion case are provided with adhesive members on both left and right sides of said cartridge case, said adhesive members being used to bond said cartridge case and said expansion case together.

10. An ink jet printer, comprising: a device main body and the ink cartridge according to any one of claims 1 to 9;

the ink cartridge is detachably mounted in the apparatus main body.

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