CN112793308A

CN112793308A - Ink bag assembly and ink box

Info

Publication number: CN112793308A
Application number: CN202110105940.7A
Authority: CN
Inventors: 赵晨海; 何景华; 刘敏; 章恒
Original assignee: Beihai Jixun Electronic Technology Co Ltd
Current assignee: Beihai Jixun Technology Co ltd
Priority date: 2021-01-26
Filing date: 2021-01-26
Publication date: 2021-05-14
Anticipated expiration: 2041-01-26
Also published as: CN112793308B

Abstract

The invention belongs to the field of printing equipment and discloses an ink bag assembly and an ink box. The ink bag assembly comprises an ink bag and a protection piece, the ink bag comprises an ink bag body and an ink outlet assembly, the ink bag body comprises an ink storage cavity for storing ink, an ink inlet of the ink outlet assembly is communicated with the ink storage cavity, and the protection piece is detachably connected with the ink bag and seals the ink outlet of the ink outlet assembly. The ink cartridge includes an ink bag assembly. In the invention, the ink bag can not leak ink during transportation and storage.

Description

Ink bag assembly and ink box

Technical Field

The invention relates to the field of printing equipment, in particular to an ink bag assembly and an ink box.

Background

With the increasing popularity of automated office equipment, printing devices play an increasingly important role in the normal work and learning of people, and inkjet printing devices are favored by users because of their advantages of low energy consumption, no pollution, and convenience in color printing.

An ink cartridge of an inkjet printing apparatus generally includes a cartridge body and an ink bag, wherein the ink bag is a replaceable consumable, and the ink bag is usually inserted into the cartridge body, and a single ink bag may leak ink during transportation or storage, which may affect the use of the ink cartridge, so that a protection member is required to prevent ink leakage.

Disclosure of Invention

It is an object of the present invention to provide an ink bag assembly in which ink leakage does not occur during transportation and storage of the ink bag.

Another object of the present invention is to provide an ink cartridge in which an ink bag is not leaked during transportation and storage.

In order to realize the purpose, the following technical scheme is provided:

in a first aspect, an ink bag assembly is provided, which includes an ink bag and a protection member, the ink bag includes an ink bag body and an ink outlet assembly, the ink bag body includes an ink storage chamber for storing ink, an ink inlet of the ink outlet assembly is communicated with the ink storage chamber, and the protection member is detachably connected to the ink bag and seals the ink outlet of the ink outlet assembly.

As a preferable scheme of the ink bag assembly of the present invention, the ink bag body is provided with a first clamping structure, the protection member includes a protection body and a second clamping structure provided on the protection body, and the second clamping structure is clamped with the first clamping structure.

As a preferable aspect of the ink bag module of the present invention, the first clamping structure includes a first clamping groove and a first clamping protrusion that are disposed on the ink bag body, the first clamping groove and the first clamping protrusion are respectively disposed on two opposite sides of the ink bag body, the second clamping structure includes a second clamping protrusion and a first elastic clamping member that are correspondingly disposed on the protection body, the second clamping protrusion is clamped into the first clamping groove, and the first elastic clamping member is clamped with the first clamping protrusion.

As a preferable scheme of the ink bag assembly of the present invention, the first elastic clamping member includes a first elastic arm and a first hook connected to each other, the first elastic arm is connected to the protective body, and the first hook is clamped to the first protrusion.

As a preferable aspect of the ink bag assembly of the present invention, the first elastic clamping member further includes a first toggle portion connected to the first elastic arm, and the first toggle portion is configured to drive the first elastic arm to deform under an external force, so that the first hook is disengaged from the first protrusion.

As a preferable scheme of the ink bag assembly of the present invention, the protective body includes a mounting portion and a sealing sleeve, the mounting portion is disposed at the bottom of the ink bag body at an interval, a port of one end of the sealing sleeve is connected to the mounting portion in a sealing manner, and the other end of the sealing sleeve is sleeved outside an ink outlet of the ink outlet assembly and supports the ink bag body.

As a preferable scheme of the ink bag assembly of the present invention, the protective body further includes a limiting portion, and the limiting portion is connected to the mounting portion and surrounds the outer circumferential direction of the ink bag body.

As a preferable scheme of the ink bag assembly of the present invention, the outer wall of the ink bag body is provided with a notch, the limiting portion is correspondingly provided with a protrusion, and the protrusion is clamped into the notch.

As a preferable scheme of the ink bag assembly of the present invention, the ink bag assembly further includes a first supporting portion, the first supporting portion is protrudingly disposed on an inner side of the limiting portion, or the first supporting portion is protrudingly disposed on a side of the mounting portion close to the ink bag body, and the first supporting portion is configured to support the ink bag body.

As a preferable scheme of the ink bag assembly of the present invention, the ink outlet assembly includes an ink absorbing member and a connecting sleeve, the connecting sleeve is sleeved outside the ink absorbing member, the connecting sleeve is connected to the ink bag body, and one end of the ink absorbing member is exposed to the ink storage chamber.

As a preferable scheme of the ink bag assembly of the present invention, the connection sleeve includes a sleeve body and an annular connection portion, the sleeve body is sleeved outside the ink absorbing member, one end of the sleeve body extends into the ink storing cavity from an ink outlet opening of the ink storing cavity, the connection portion is convexly disposed on an outer wall of one end of the sleeve body located outside the ink storing cavity, and the connection portion and the sleeve body both have a size larger than a size of the ink outlet opening and extend into the sealing sleeve.

As a preferable mode of the ink bag assembly of the present invention, the outer wall of the end of the sleeve body located in the ink storage cavity is also provided with the connecting portion in a protruding manner.

As a preferable mode of the ink bag module of the present invention, the connection sleeve includes a first sleeve body portion and a second sleeve body portion which are connected to each other, a size of the first sleeve body portion is larger than a size of the second sleeve body portion, a fixing portion is protruded from an outer wall of the ink bag body, the fixing portion is disposed around the ink outlet opening of the ink storage chamber, the first sleeve body portion is sleeved outside the fixing portion, the ink absorbing member includes a first ink absorbing portion and a second ink absorbing portion which are connected to each other, the first ink absorbing portion is tightly sleeved in the fixing portion, and the second ink absorbing portion is tightly sleeved in the second sleeve body portion.

As a preferable scheme of the ink bag assembly of the present invention, an avoiding groove is further concavely formed in an outer wall of the ink bag body, the avoiding groove is arranged along an outer circumferential direction of the fixing portion, and the first sleeve body portion extends into the avoiding groove.

As a preferable scheme of the ink bag assembly of the present invention, the ink bag body is provided with a guide groove, the first clamping protrusion is convexly disposed on a groove bottom wall of the guide groove, the guide groove includes an installation opening and an avoidance opening, the first elastic clamping member extends into the guide groove from the installation opening, and the avoidance opening is used for avoiding the first elastic clamping member.

As a preferable aspect of the ink bag assembly of the present invention, the first clamping structure includes a first clamping groove and a clamping hole, which are disposed on the ink bag body, the first clamping groove and the clamping hole are respectively disposed on two opposite sides of the ink bag body, the second clamping structure includes a second clamping protrusion and a first elastic clamping member, which are correspondingly disposed on the protective body, the second clamping protrusion is clamped into the first clamping groove, and the first elastic clamping member is clamped with a hole wall of the clamping hole.

As a preferable scheme of the ink bag assembly of the present invention, an avoiding cavity is arranged on the ink bag body, the avoiding cavity is communicated with the clamping hole, a cavity opening of the avoiding cavity is communicated with an outer wall of the ink bag body, and the first elastic clamping member extends into the avoiding cavity from the cavity opening and is clamped with a hole wall of the clamping hole.

In a second aspect, there is provided an ink cartridge comprising an ink bag assembly as described above.

The invention has the beneficial effects that:

in the ink bag component and the ink box comprising the same, the protection piece is detachably connected with the ink bag. During the transportation or storage process of the ink bag, the protection piece is arranged on the ink bag and seals the ink outlet of the ink outlet assembly, so that ink leakage is effectively prevented. When the ink bag needs to be used, the protection piece is detached from the ink bag, the ink bag is installed on the printing equipment, and the ink outlet of the ink outlet assembly is communicated with the ink inlet of the ink gun of the printing equipment so as to supply ink to the ink bag.

Drawings

In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings used in the description of the embodiments of the present invention will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the contents of the embodiments of the present invention and the drawings without creative efforts. The invention is explained in more detail below with reference to the figures and examples.

FIG. 1 is a first isometric view of an ink bag provided in accordance with an embodiment of the invention;

FIG. 2 is a second isometric view of an ink bag provided in accordance with an embodiment of the invention;

FIG. 3 is an isometric view of a guard provided in accordance with an embodiment of the present invention;

FIG. 4 is a first isometric view of an ink bag and guard connection provided in accordance with an embodiment of the invention;

FIG. 5 is a second isometric view of an ink bag and guard connection provided in accordance with an embodiment of the invention;

FIG. 6 is an isometric view of an ink outlet assembly provided in accordance with an embodiment of the present invention;

FIG. 7 is a cross-sectional view of an ink outlet assembly coupled to an ink bag according to one embodiment of the invention;

FIG. 8 is an isometric view of an ink cartridge provided in accordance with a first embodiment of the invention;

FIG. 9 is an isometric view of a cartridge provided in accordance with an embodiment of the invention;

FIG. 10 is an isometric view of a mount provided in accordance with an embodiment of the invention;

FIG. 11 is an isometric view of an ink bag and mount connection provided in accordance with an embodiment of the invention;

FIG. 12 is a first isometric view of a cartridge and mount connection provided in accordance with an embodiment of the invention;

FIG. 13 is a second isometric view of a cartridge and mount connection provided in accordance with an embodiment of the invention;

FIG. 14 is an exploded view of an ink cartridge (color ink cartridge) according to a first embodiment of the present invention;

FIG. 15 is an exploded view of an ink cartridge (monochrome cartridge) according to a first embodiment of the present invention;

FIG. 16 is a schematic view of an ink bag and a protective member provided in accordance with an embodiment of the present invention;

FIG. 17 is a schematic diagram of a cartridge, a connection chip, a connection member, and a mounting member according to one embodiment of the present invention;

FIG. 18 is a schematic diagram of a cartridge, a connection chip, a connection member, and a mounting member according to an embodiment of the invention;

FIG. 19 is a schematic view of a connection chip, a connection member, and an ink bag chip provided in accordance with one embodiment of the present invention;

FIG. 20 is a schematic view of a partial structure of a connecting member and a box body according to an embodiment of the present invention;

FIG. 21 is a schematic view of a connector mounted on a box according to an embodiment of the present invention;

FIG. 22 is an isometric view of an ink outlet assembly provided in accordance with example two of the present invention;

FIG. 23 is a cross-sectional view of an ink outlet assembly coupled to an ink bag according to a second embodiment of the present invention;

FIG. 24 is an isometric view of an ink outlet assembly coupled to an ink bag, according to a third embodiment of the invention;

FIG. 25 is a cross-sectional view of an ink outlet assembly coupled to an ink bag according to a third embodiment of the present invention;

fig. 26 is a first isometric view of an ink outlet assembly provided in accordance with a third embodiment of the invention;

FIG. 27 is a second isometric view of an ink outlet assembly provided in accordance with a third embodiment of the invention;

fig. 28 is a schematic view of a partial structure of an ink discharging assembly connected to an ink bag according to a third embodiment of the present invention;

FIG. 29 is an isometric view of an ink bag and guard provided in accordance with a fourth embodiment of the invention;

FIG. 30 is an exploded view of an ink bag and a protective member according to a fourth embodiment of the present invention;

FIG. 31 is an isometric view of an ink bag and mount provided in accordance with a fourth embodiment of the invention;

FIG. 32 is an isometric view of an ink bag and mount provided in accordance with a fifth embodiment of the invention;

fig. 33 is an exploded view of an ink bag and a mounting member according to the fifth embodiment of the present invention.

Reference numerals:

100. an ink bag; 200. a guard; 300. an ink cartridge; 310. a box body; 400. a mounting member;

1. an ink bag body; 2. an ink outlet assembly; 3. a protective body; 4. a first elastic clamping piece; 6. a second support portion; 7. a clamping portion; 8. a second elastic clamping piece; 9. an ink bag chip; 10. an ink cartridge chip; 20. connecting the chip; 30. a connecting member;

11. a main body portion; 12. a positioning part;

11a, an ink storage shell; 11b, an upper cover;

111. a first card slot; 112. a first snap projection; 113. a notch; 114. a guide groove; 115. an indicator mark; 116. a third snap projection; 117. an ink storage chamber;

21. an ink absorbing member; 22. connecting sleeves; 221. a sleeve body; 222. a connecting portion;

31. an installation part; 32. a sealing sleeve; 33. a limiting part; 34. a second snap projection; 35. a protrusion; 36. a first support section;

41. a first resilient arm; 42. a first hook; 43. a first toggle part;

51. a cartridge body; 52. a first side plate; 53. a second side plate; 54. a third side plate; 55. an ink jet head;

551. an ink inlet; 541. a mounting cavity;

61. a support body; 62. a stopper portion;

611. a first support body; 612. a second support body; 6121. a groove; 613. a communicating hole;

71. a second card slot; 72. a second guide surface;

81. a second resilient arm; 82. a second hook; 83. a second toggle part;

201. a first region; 202. a second region;

301. a first pin; 302. a second pin;

13. a fixed part; 14. an avoidance groove; 15. an avoidance cavity; 151. a lumen port; 16. a clamping hole;

211. a first ink suction portion; 212. a second ink absorbing portion;

2211. a first sleeve body portion; 2212. a second set of body portions; 2213. a third guide surface.

Detailed Description

In order to make the technical problems solved, technical solutions adopted and technical effects achieved by the present invention clearer, the technical solutions of the embodiments of the present invention will be described in further detail below with reference to the accompanying drawings, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

In the description of the present invention, unless expressly stated or limited otherwise, the terms "connected," "connected," and "fixed" are to be construed broadly, e.g., as meaning permanently connected, removably connected, or integral to one another; can be mechanically or electrically connected; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.

In the present invention, unless otherwise expressly stated or limited, "above" or "below" a first feature means that the first and second features are in direct contact, or that the first and second features are not in direct contact but are in contact with each other via another feature therebetween. Also, the first feature being "on," "above" and "over" the second feature includes the first feature being directly on and obliquely above the second feature, or merely indicating that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature includes the first feature being directly under and obliquely below the second feature, or simply meaning that the first feature is at a lesser elevation than the second feature.

In the description of the present embodiment, the terms "upper", "lower", "right", etc. are used in an orientation or positional relationship based on that shown in the drawings only for convenience of description and simplicity of operation, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first" and "second" are used only for descriptive purposes and are not intended to have a special meaning.

Example one

As shown in fig. 1 to 5, the present embodiment provides an ink bag assembly including an ink bag 100 and a protection member 200. The ink bag 100 includes an ink bag body 1 and an ink discharge assembly 2. The ink bag body 1 includes an ink reservoir 117 for storing ink. The ink inlet of the ink outlet assembly 2 communicates with the ink storage chamber 117. Illustratively, the ink outlet assembly 2 is disposed at the bottom of the ink bag body 1, and the ink in the ink storage cavity 117 can flow into the ink outlet assembly 2 from the ink inlet of the ink outlet assembly 2 under the action of gravity. The protection member 200 of the present embodiment is detachably attached to the ink bag 100. During transportation or storage of the ink bag 100, the protection member 200 is mounted on the ink bag 100 and seals the ink outlet of the ink outlet assembly 2, effectively preventing ink leakage. When the ink bag 100 needs to be used, the protection piece 200 is detached from the ink bag 100, the ink bag 100 is mounted on the mounting piece 400 of the box body 310 of the ink box 300, the ink outlet of the ink outlet assembly 2 is communicated with the ink inlet 551 of the ink jet head 55 on the box body 310, and therefore the connection between the ink bag 100 and the box body 310 is realized.

In this embodiment, the ink bag body 1 is provided with a first clamping structure, the protection member 200 includes the protection body 3 and a second clamping structure disposed on the protection body 3, and the second clamping structure is clamped with the first clamping structure, so as to detachably connect the ink bag 100 and the protection member 200, and the ink bag 100 is simple in structure and convenient to assemble and replace.

Specifically, the first catching structure includes a first catching groove 111 and a first catching protrusion 112 provided on the ink bag body 1. Correspondingly, the second clamping structure comprises a second clamping protrusion 34 and a first elastic clamping piece 4 which are correspondingly arranged on the protection body 3. The second locking projection 34 is locked in the first locking groove 111, and the first elastic locking member 4 is locked with the first locking projection 112. The first engaging groove 111 and the first engaging protrusion 112 are respectively disposed on two opposite sides of the ink bag body 1, that is, the protection member 200 is engaged with the ink bag body 1 at two ends of the ink bag body 1, so as to ensure the stability of connection between the protection member 200 and the ink bag body 1.

Preferably, the second protrusion 34 is provided with a first guiding surface for guiding the movement of the second protrusion 34 inserted into the first slot 111, so that the assembly is smoother. Optionally, a plurality of second snap projections 34 are provided to improve the connection stability of the protection member 200 with the ink bag 100.

In one embodiment, the first elastic clip 4 includes a first elastic arm 41 and a first hook 42 connected to each other. The first resilient arm 41 is connected to the guard body 3. The first hook 42 is engaged with the first protrusion 112. When the protection member 200 is assembled with the ink bag 100, in order to ensure that the second protrusion 34 on the protection member 200 is smoothly inserted into the first slot 111 on the ink bag 100, the outer wall of the ink bag 100 will press the first hook 42, so that the first hook 42 drives the first elastic arm 41 to deform in a direction away from the ink bag 100. After the second protrusion 34 is inserted into the first slot 111, the first elastic arm 41 drives the first hook 42 to engage with the first protrusion 112 under the action of its elastic restoring force.

In this embodiment, a guide groove 114 is formed on one side surface of the ink bag body 1, where the first locking protrusion 112 is disposed, and the first locking protrusion 112 is protruded on a groove bottom wall of the guide groove 114. The guide groove 114 includes a charging opening and an escape opening. The loading port of the guide groove 114 is opened in the bottom end face of the ink bag body 1. When the ink bag 100 is assembled with the protection member 200, the first elastic clamping member 4 extends into the guide groove 114 from the bottom of the ink bag 100 and from the loading port of the guide groove 114, and the first elastic clamping member 4 moves upward relative to the ink bag 100 along the guide groove 114 until the first clamping hook 42 on the first elastic clamping member is clamped with the first clamping protrusion 112. The avoidance opening of the guide groove 114 is opposite to the groove bottom wall of the guide groove 114, and is used for avoiding the movement of the first elastic clamping piece 4 in the guide groove 114. The guide groove 114 serves to guide the engagement of the first elastic engagement member 4 with the first engagement projection 112.

An indication mark 115 is arranged at one end of the bottom wall of the guide groove 114 close to the loading port, and is used for indicating the loading direction of the first elastic clamping piece 4 on the ink bag 100, so that a user can conveniently disassemble and assemble the ink bag 100 and the protection piece 200. In this embodiment, the indication mark 115 has an arrow structure.

One end of the guide groove 114 remote from the loading port thereof extends to the upper portion of the ink bag body 1. The portion of the guide groove 114 above the first locking protrusion 112 serves as a force application space, so that a user can conveniently put a hand into the force application space and transfer the ink bag 100 under the action of friction force between the hand and the groove wall of the guide groove 114 opposite to the loading opening.

In addition, the portion of the groove bottom wall of the guide groove 114 above the first catching protrusion 112 can be used to mark relevant information such as the model and/or size of the ink bag 100.

In another embodiment, the first elastic clip 4 further comprises a first toggle portion 43 connected with the first elastic arm 41. When the protection member 200 is detached from the ink bag 100, an external force pulls the first pulling portion 43, and the first pulling portion 43 drives the first elastic arm 41 to deform under the action of the external force, so that the first hook 42 is separated from the first protrusion 112, thereby facilitating the detachment.

In this embodiment, the first hook 42 and the first toggle portion 43 are both connected to one end of the first elastic arm 41 away from the protection body 3, and are respectively disposed on two sides of the first elastic arm 41.

First elasticity joint spare 4 is preferably the plastic part, has certain intensity and elasticity concurrently, when guaranteeing its and ink sac 100's joint strength, the dismouting of being convenient for.

Further, the shield body 3 includes a mounting portion 31 and a sealing sleeve 32. The mounting portions 31 are provided at intervals at the bottom of the ink bag 100 for supporting the ink bag 100. The port at one end of the seal sleeve 32 is sealingly connected to the mounting portion 31. The other end of the sealing sleeve 32 is sleeved outside the ink outlet of the ink outlet assembly 2 and supports the ink bag body 1, and the sealing sleeve 32 and the mounting portion 31 jointly seal the ink outlet of the ink outlet assembly 2 of the ink bag 100.

Illustratively, as shown in fig. 6 and 7, the ink discharging member 2 includes an ink absorbing member 21 and a connecting sleeve 22 sleeved outside the ink absorbing member 21. Specifically, the connection sleeve 22 includes a sleeve body 221 and a connection portion 222. The sleeve body 221 is hollow and has two open ends. The cover body 221 is fitted over the ink absorbing member 21. The outer walls of the two ports of the sleeve body 221 are provided with connecting parts 222 in a protruding manner. The connecting portion 222 has a ring-shaped structure. In the case where the cover body 221 is compressed, the connection portion 222 of the upper end of the cover body 221 can protrude into the ink reservoir 117 from the ink outlet opening of the ink reservoir 117 so that one end of the ink absorbing member 21 is exposed to the ink reservoir 117. The connecting portion 222 and the cover body 221 are larger than the ink outlet opening, the middle portion of the cover body 221 is clamped in the ink outlet opening in a compressed state, and the connecting portion 222 extending into the ink storage cavity 117 can prevent the connecting sleeve 22 from falling off from the ink bag body 1. The connecting portion 222 of the connecting sleeve 22 located outside the ink bag body 1 is sleeved and connected with the sealing sleeve 32. The ink in the ink reservoir 117 can flow out through the ink absorbing member 21.

The connection sleeve 22 is preferably made of rubber or silica gel, and has certain strength and elasticity. The ink absorbing member 21 is preferably a sponge capable of adsorbing and storing a certain amount of ink. The sealing sleeve 32 is also preferably made of rubber, silicone, or the like, and ensures the sealing property at the joint between the sealing sleeve 32 and the connecting portion 222.

Optionally, the protection body 3 further comprises a limiting part 33. The stopper 33 is connected to the mounting portion 31 and surrounds the outer circumferential direction of the ink bag body 1. The second locking protrusion 34 and the first elastic locking member 4 are respectively disposed on two opposite sidewalls of the limiting portion 33. By providing the stopper 33, the contact area between the protection member 200 and the ink bag body 1 is increased, the connection stability between the protection member 200 and the ink bag 100 is improved, and the ink bag 100 is prevented from shaking relative to the mounting portion 31 during transportation. In other embodiments, the stoppers 33 may be provided only on the opposite sides of the ink bag body 1.

In one embodiment, the outer wall of the ink bag body 1 is provided with a notch 113. The limiting part 33 is correspondingly provided with a protrusion 35, and the protrusion 35 is clamped into the notch 113, so that the ink bag 100 is further prevented from shaking relative to the protection piece 200 in the transportation process.

The protection member 200 is detachably connected to the ink bag 100. During transportation or storage of the ink bag 100, the protection member 200 is mounted on the ink bag 100 and seals the ink outlet of the ink outlet assembly 2, effectively preventing ink leakage. When the ink bag 100 is required to be used, the protection member 200 is detached from the ink bag 100, and the ink bag 100 is mounted on the printing apparatus, and the ink outlet of the ink outlet assembly 2 communicates with the ink inlet 551 of the ink jet head 55 of the printing apparatus to supply ink thereto.

As shown in fig. 8-13, the present embodiment further provides an ink cartridge 300, which includes a cartridge body 310 and the ink bag 100. The cartridge body 310 is provided with the inkjet head 55 and the mount 400. After the ink bag assembly is disassembled (i.e., the ink bag 100 and the protection member 200 are disassembled), the ink bag 100 is mounted on the mounting member 400, and the ink outlet of the ink outlet assembly 2 of the ink bag 100 is communicated with the ink inlet 551 of the ink jet head 55 on the cartridge body 310, so that the ink bag 100 is connected with the cartridge body 310. The ink bag 100 is detachably connected to the mounting member 400. After the ink is used up, the ink bag 100 is separated from the mounting member 400, and the new ink bag 100 is replaced, so that the reuse of the box body 310 is realized, the box body 310 is effectively utilized, the cost is saved, and the ink bag is energy-saving and environment-friendly.

This embodiment is through setting up installed part 400 on box body 310, is connected installed part 400 and ink bag 100 to realize being connected of ink bag 100 and box body 310, need not to process on box body 310 with ink bag 100 complex connection structure, processing technology is simpler, and the structural strength of box body 310 is high, and can prevent to damage ink gun 55, prolongs the life of box body 310.

Specifically, the mounting member 400 includes a second support portion 6, and the second support portion 6 is provided at the bottom of the ink bag body 1 for supporting the ink bag body 1. The second support 6 has a communication hole 613, and the communication hole 613 communicates with an ink inlet 551 of the ink jet head 55. The connection portion 222 of the ink discharge unit 2 located outside the ink bag body 1 extends into the communication hole 613, and the ink discharge port of the ink discharge unit 2 communicates with the ink inlet 551 of the ink jet head 55. The ink in the ink storage chamber 117 flows into the ink absorbing member 21 of the ink outlet assembly 2 from the ink inlet of the ink outlet assembly 2 under the action of gravity, and then flows into the ink inlet 551 of the ink jet head 55 opposite to the ink outlet from the ink outlet of the ink outlet assembly 2, so as to supply ink to the ink jet head 55. The second support portion 6 is engaged with the connecting portion 222 of the ink outlet assembly 2 located outside the ink bag body 1 through the communication hole 613 thereon to position the mounting of the ink bag 100 on the mounting member 400, ensuring that the ink outlet of the ink outlet assembly 2 is aligned with the ink inlet 551 of the ink jet head 55.

The mount 400 also includes a clamping assembly for clamping the ink bag body 1. The clamping assembly comprises two clamping portions 7 connected to the second support portion 6. Two clamping portions 7 are provided on opposite sides of the ink bag body 1 to clamp the ink bag 100. By providing the clamping assembly, the contact area of the mounting member 400 and the ink bag body 1 is increased, and the connection stability of the mounting member 400 and the ink bag body 1 is improved. In this embodiment, the clamping portion 7 is located at the notch 113 of the ink bag body 1. The clamp 7 is inserted into the notch 113 from the bottom of the ink bag body 1. The notch 113 is used to position the connection of the clamping portion 7 to the ink bag body 1.

Preferably, the clamping portion 7 is provided with a second locking groove 71, and the ink bag body 1 is correspondingly provided with a third locking protrusion 116. The third locking projection 116 is disposed toward the notch 113 and is locked in the second locking groove 71, which further improves the connection stability of the mounting member 400 and the ink bag body 1. The clamping portion 7 is provided with a second guide surface 72 for guiding the movement of the third locking projection 116 into the second locking groove 71.

The mounting member 400 further includes a second elastic snap-in member 8 connected with the second support portion 6. The second elastic clamping piece 8 is clamped with the first clamping protrusion 112 of the ink bag body 1, so that the mounting piece 400 is further connected with the ink bag body 1.

In one embodiment, the second elastic clip 8 includes a second elastic arm 81 and a second hook 82 connected to each other, the second elastic arm 81 is connected to the second supporting portion 6, and the second hook 82 is clipped into the first clipping protrusion 112. When the mounting member 400 is assembled with the ink bag 100, in order to ensure that the third locking protrusion 116 on the ink bag body 1 is smoothly locked into the second locking groove 71 on the mounting member 400, the outer wall of the ink bag body 1 can extrude the second locking hook 82, so that the second locking hook 82 drives the second elastic arm 81 to deform in the direction away from the ink bag body 1. After the third locking protrusion 116 is locked into the second locking groove 71, the second elastic arm 81 drives the second hook 82 to be locked with the first locking protrusion 112 under the action of its elastic restoring force.

Similar to the installation manner of the first elastic clamping member 4, the second elastic clamping member 8 extends into the guide groove 114 from the bottom of the ink bag body 1 and from the loading port of the guide groove 114, and the second elastic clamping member 8 moves upward relative to the ink bag body 1 along the guide groove 114 until the second clamping hook 82 thereon is clamped with the first clamping protrusion 112 of the ink bag body 1. The avoidance opening of the guide groove 114 is opposite to the groove bottom wall of the guide groove 114, and is used for avoiding the movement of the second elastic clamping piece 8 in the guide groove 114. The guide groove 114 serves to guide the engagement of the second elastic engagement member 8 with the first engagement projection 112.

In another embodiment, the second elastic clip 8 further comprises a second toggle portion 83 connected with the second elastic arm 81. When the mounting member 400 is detached from the ink bag 100, the second toggle portion 83 is toggled by an external force, and the second toggle portion 83 drives the second elastic arm 81 to deform under the action of the external force, so that the second hook 82 is separated from the first protrusion 112, thereby facilitating the detachment and installation.

In this embodiment, the second hook 82 and the second toggle portion 83 are both connected to the end of the second elastic arm 81 far away from the protection body 3, and are respectively disposed on two sides of the second elastic arm 81.

Further, the second support portion 6 includes a support body 61. The support body 61 is provided at the bottom of the ink bag body 1 for supporting the ink bag body 1. The support body 61 includes opposing first and second ends. The second elastic clamping piece 8 is connected to the first end of the second supporting portion 6, and the two clamping portions 7 of the clamping assembly are arranged on two sides of the second end of the second supporting portion 6. The installed part 400 is connected with the ink bag body 1 at the two opposite ends of the ink bag body 1 through the clamping component and the second elastic clamping piece 8, and the stable connection of the installed part 400 and the ink bag body 1 is guaranteed.

In this embodiment, the clamping assembly of the mounting member 400 clamps the ink bag body 1 along the first direction, the second clamping groove 71 on the clamping portion 7 is clamped with the third clamping protrusion 116 of the ink bag body 1 along the second direction, and meanwhile, the second hook 82 of the second elastic clamping piece 8 of the mounting member 400 is also clamped with the first clamping protrusion 112 along the second direction, the mounting member 400 is further clamped with the ink bag body 1 along the third direction through the cooperation of the second elastic clamping piece 8 and the clamping portion 7 with the third clamping protrusion 116, and finally the stable connection of the mounting member 400 and the ink bag body 1 is realized.

Further, the cartridge body 310 includes a cartridge body 51, and a first side plate 52 and a second side plate 53 connected to the cartridge body 51. The ink jet head 55 is provided on the cartridge body 51. The support body 61 of the mount 400 is mounted on the cartridge body 51. The first side plate 52 and the second side plate 53 are spaced apart from each other on the cartridge body 51, are disposed on both sides of the second end of the support body 61, and clamp the clamping assembly of the mounting member 400. The mount 400 is positioned on the cartridge body 51 by the clamping assembly that clamps the mount 400 by the first side plate 52 and the second side plate 53.

In this embodiment, the second supporting portion 6 further includes a stopping portion 62 protruding from two sides of the supporting body 61. The first side plate 52 and the second side plate 53 are respectively abutted against the corresponding stopper portions 62 to further position the mounting piece 400 on the cartridge body 51, thereby improving the mounting accuracy of the mounting piece 400 on the cartridge body 51.

The cartridge body 310 further includes a third side plate 54 connected to the cartridge body 51. The end surface of the second end of the support body 61 of the mounting member 400 and/or the end of the clamping portion 7 remote from the first end of the support body 61 abut against the third side plate 54, and the mounting and positioning of the mounting member 400 on the cartridge body 51 are further achieved.

In this embodiment, the supporting body 61 is provided with a groove 6121, the ink bag body 1 includes a positioning portion 12, and the positioning portion 12 is clamped into the groove 6121 to fix the mounting position of the ink bag body 1 on the supporting body 61, thereby improving the mounting accuracy of the ink bag 100 on the mounting member 400.

Specifically, the support body 61 includes a first support body 611 and a second support body 612. The ink bag body 1 further includes a main body portion 11. The positioning portion 12 is connected to the bottom of the main body portion 11. The first support body 611 supports the body part 11, and the groove 6121 is provided on the second support body 612. The second elastic clip 8 is disposed on the first supporting body 611, the clamping portion 7 is disposed on the second supporting body 612, and the stopping portion 62 is disposed on two sides of the first supporting body 611 and extends to the second supporting body 612.

Optionally, the mounting member 400 is an injection molded part formed integrally by injection molding, and has a simple manufacturing process and high production efficiency.

Preferably, the mounting member 400 is bonded to the case 310 by an adhesive, and there is no need to form a mounting hole in the mounting member 400 or the case 310, thereby improving the structural strength of the mounting member and the case.

It should be noted that the number of ink storage chambers 117 is related to the type of ink cartridge 300 (such as a monochrome ink cartridge or a color ink cartridge), and each ink storage chamber 117 is provided with at least one ink outlet assembly 2. The number of the ink storing chambers 117 may be set reasonably according to the type of the ink cartridge 300, and the mounting positions of the ink storing chambers 117 on the ink bag body 1 may be arranged reasonably.

In this embodiment, referring to fig. 14, the ink cartridge 300 is a color ink cartridge. The ink bag 100 includes three ink storage chambers 117. Three of the ink storage chambers 117 are all disposed on the main body portion 11, one of the ink storage chambers 117 penetrates the positioning portion 12, and the bottom of each ink storage chamber 117 is provided with one ink outlet assembly 2.

In one embodiment, referring to fig. 15, the ink cartridge 300 may also be a single-color ink cartridge, and the ink bag 100 includes one ink storage chamber 117, the one ink storage chamber 117 is opened on the main body 11, and the bottom of the ink storage chamber 117 is provided with an ink outlet assembly 2.

It should be noted that, referring to fig. 16, in the installation of the ink bag 100 and the protection member 200, the positioning portion 12 is protruded at the bottom of the main body portion 11, the ink discharging assembly 2 is protruded at the bottom of the ink bag body 1, and/or the sealing sleeve 32 is protruded at the installation portion 31 of the protection member 200, so that the ink bag 100 is easily inclined or shaken in the protection member 200, and for this reason, the first supporting portion 36 is protruded on the inner wall of the limiting portion 33 of the protection member 200 for supporting the ink bag body 1, so as to ensure that the ink bag 100 is stably placed in the protection member 200, and prevent the ink bag 100 from being inclined and leaking ink. In other embodiments, the first supporting portion 36 may be protruded from the side of the mounting portion 31 close to the ink bag body 1.

Further, referring to fig. 14 and 15, the main body portion 11 in turn specifically includes an ink tank case 11a and an upper cover 11 b. The ink storage chamber 117 opens on the ink storage case 11 a. The upper end port of the ink reservoir 117 penetrates the upper surface of the ink reservoir case 11 a. The upper cover 11b is connected to the ink reservoir 11a and seals the upper port of the ink reservoir 117. The upper cover 11b is detachably connected to the ink reservoir 11a, so as to facilitate the ink injection into the ink reservoir 117.

In this embodiment, referring to fig. 17-21, the ink bag 100 further includes an ink bag chip 9. The ink bag chip 9 is disposed on the side of the ink bag body 1 close to the third side plate 54. The cartridge body 310 further includes a cartridge chip 10 and a connection chip 20. The cartridge chip 10 and the connection chip 20 are both disposed on a side of the third side plate 54 away from the ink bag body 1. The cartridge chip 10 is connected to the third side plate 54. The connection chip 20 includes a first region 201 and a second region 202. The contacts of the first region 201 are electrically connected to the cartridge chip 10. The second region 202 is used for electrical connection with the ink bag chip 9. The third side plate 54 is provided with a mounting cavity 541 corresponding to the second area 202, a connecting element 30 is arranged in the mounting cavity 541, and the connecting element 30 includes a first pin 301 and a second pin 302. The first pin 301 is electrically connected to a contact on the second region 202 and the second pin 302 is electrically connected to a contact on the ink bag chip 9.

The mounting cavity 541 may be a closed cavity structure (fig. 17) opened on the third side plate 54, or an edge cavity structure (fig. 18) opened on the third side plate 54. The closed cavity structure means that the whole circumferential direction of the installation cavity 541 is surrounded by the solid third side plate 54. The edge cavity structure refers to an edge of the mounting cavity 541 penetrating the third side plate 54.

In the existing ink cartridge, the ink cartridge chip 10 and the ink bag chip 9 are generally electrically connected directly, a connection hole is formed on the outer side wall of the cartridge body 310, and a partial region of the ink cartridge chip 10 extends into the connection hole, so that a contact on the partial region is in contact with and electrically connected with a corresponding contact on the ink bag chip 9. However, since the box body 310 itself has a certain thickness, in order to enable the contacts on the ink cartridge chip 10 to effectively contact with the contacts on the ink bag chip 9, and meanwhile, to avoid the problem that the contacts on the ink cartridge chip 10 are cracked or collapsed due to severe friction caused by multiple times of replacing the ink bag 100, the processing height of the contacts on the ink cartridge chip 10 and the installation accuracy of the ink cartridge chip 10 in the connection hole need to be strictly controlled by combining the factors such as the wall thickness of the box body 310, etc., so that the production process and the assembly process are affected, and the product cost is high.

The ink cartridge 300 of the embodiment is additionally provided with the connecting chip 20 and the connecting member 30, and the second region 202 of the connecting chip 20 is electrically connected with the ink bag chip 9 through the connecting member 30, so that the requirements on the processing precision of the heights of the contacts on the connecting chip 20 and the ink bag chip 9 and the precision of the relative mounting positions of the connecting chip 20 and the ink bag chip 9 are low, the connecting chip 20 and the ink bag chip 9 can be effectively and electrically connected, and the product cost is low.

Example two

As shown in fig. 22 and 23, the present embodiment is different from the first embodiment in that: the ink discharging assembly 2 is different in structure. The ink discharging member 2 of the present embodiment includes a connecting sleeve 22 and an ink absorbing member 21. The connection sleeve 22 is sleeved outside the ink absorbing member 21. The connection sleeve 22 includes a sleeve body 221 and a connection portion 222. The sleeve body 221 is hollow and has two open ends, and the ink absorbing member 21 is sleeved with the sleeve body 221. One end of the sleeve body 221 extends into the ink storage chamber 117 from an ink outlet opening of the ink storage chamber 117. The connection portion 222 is connected to one end of the cover body 221 located outside the ink storage chamber 117. The connecting portion 222 and the cover body 221 each have a size larger than that of the ink outlet opening, and the upper end of the cover body 221 is engaged with the ink outlet opening in a compressed state. The connecting portion 222 is used for connecting with the sealing sleeve 32.

EXAMPLE III

As shown in fig. 24 to 28, the present embodiment is different from the first embodiment in that: the ink discharging assembly 2 is different in structure. The ink discharging member 2 of the present embodiment includes a connecting sleeve 22 and an ink absorbing member 21. The connection sleeve 22 includes a first sleeve body portion 2211 and a second sleeve body portion 2212 connected. The first set of body portions 2211 are larger in size than the second set of body portions 2212 and the ink absorbing member 21. The outer wall of the ink bag body 1 is convexly provided with a fixing part 13 at the ink outlet of the ink storage cavity 117. The fixing portion 13 is annular and provided along the circumferential direction of the ink outlet opening. The ink bag body 1 is provided with an escape groove 14 in the outer circumferential direction of the fixing portion 13. The first sleeve body 2211 extends into the avoiding groove 14 and tightly sleeves the fixing part 13, so that the connection between the connecting sleeve 22 and the ink bag body 1 is realized. The ink absorbing member 21 includes a first ink absorbing portion 211 and a second ink absorbing portion 212 connected. The first ink absorbing portion 211 is tightly fitted in the fixing portion 13. The second ink absorbing portion 212 is tightly fitted into the second set of body portion 2212.

The second sleeve body 2212 located outside the avoiding groove 14 is used for being sleeved and connected with the sealing sleeve 32. Preferably, the second set of body portions 2212 is provided with third guide surfaces 2213 to facilitate the installation of the second set of body portions 2212 into the sealing sleeve 32.

Example four

As shown in fig. 29 to fig. 31, the present embodiment is different from the first embodiment in that: the ink bag body 1 differs in structure. In the ink bag body 1 of the present embodiment, the first catching protrusion 112 is protruded on the outer surface of the ink bag body 1. The ink bag body 1 is directly clamped on the first elastic clamping piece 4 on the protection piece 200 or the second elastic clamping piece 8 on the mounting piece 400 through the first clamping convex 112 on the outer surface of the ink bag body. Compared with the first embodiment, the side of the ink bag body 1 provided with the first locking protrusion 112 of the present embodiment is not provided with the guide groove 114, and the ink bag body 1 of the present embodiment has a simpler structure, is more convenient to process, and has a low product cost.

EXAMPLE five

As shown in fig. 32 and 33, the present embodiment is different from the first embodiment in that: the ink bag body 1, the mounting member 400, and the protection member 200 are different in structure. In this embodiment, the ink bag body 1 is not provided with the first catching protrusion 112, but the ink bag body 1 is provided with a catching hole 16 and an escape cavity 15 communicating with the catching hole 16. The chamber port 151 of the escape chamber 15 penetrates the bottom of the ink bag body 1. The second elastic clamping member 8 on the mounting member 400 extends into the avoiding cavity 15 from the bottom of the ink bag body 1 through the cavity opening 151 of the avoiding cavity 15 until the second hook 82 on the second elastic clamping member 8 is clamped on the hole wall of the clamping hole 16. Compared with the first embodiment, the second elastic clamping piece 8 of the present embodiment is provided at a non-edge position of the mounting piece 400. In addition, compared with the first embodiment in which the second hook 82 and the second toggle portion 83 are disposed on two sides of the second elastic arm 81, the second toggle portion 83 and the second elastic arm 81 of the present embodiment extend in the same direction.

The first elastic clip 4 of the guard 200 (not shown) of the present embodiment is not disposed on the stopper 33, but is disposed on the mounting portion 31 so as to face the opening 151 of the escape cavity 15. The structure of the first elastic clamping piece 4 is the same as that of the second elastic clamping piece 8.

It should be noted that, in other embodiments, the escape cavity 15 may not be provided, and the second elastic clamping member 8 on the mounting member 400 slides along the outer surface of the ink bag body 1 until the second clamping hook 82 extends into the clamping hole 16 and is clamped with the hole wall of the clamping hole 16. Similarly, the first elastic clamping member 4 of the protection member 200 slides along the outer surface of the ink bag body 1 until the first clamping hook 42 extends into the clamping hole 16 and is clamped with the hole wall of the clamping hole 16.

In the description herein, it is to be understood that the terms "upper" and the like are based on the orientation or positional relationship shown in the drawings, which are for convenience of description and simplicity of operation, and do not indicate or imply that the referenced device or element must have a particular orientation, be constructed and operated in a particular orientation, and are therefore not to be considered limiting of the present invention.

In the description herein, references to the term "an embodiment" or the like are intended to mean that a particular feature, structure, material, or characteristic described in connection with the embodiment is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment.

Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single technical solution, and such description is for clarity only, and those skilled in the art should take the description as a whole, and the technical solutions in the embodiments may be appropriately combined to form other embodiments that may be understood by those skilled in the art.

The technical principle of the present invention is described above in connection with specific embodiments. The description is made for the purpose of illustrating the principles of the invention and should not be construed in any way as limiting the scope of the invention. Based on the explanations herein, those skilled in the art will be able to conceive of other embodiments of the present invention without inventive effort, which would fall within the scope of the present invention. It is to be noted that the foregoing is only illustrative of the preferred embodiments of the present invention and the technical principles employed. It will be understood by those skilled in the art that the present invention is not limited to the particular embodiments described herein, but is capable of various obvious changes, rearrangements and substitutions as will now become apparent to those skilled in the art without departing from the scope of the invention. Therefore, although the present invention has been described in greater detail by the above embodiments, the present invention is not limited to the above embodiments, and may include other equivalent embodiments without departing from the spirit of the present invention, and the scope of the present invention is determined by the scope of the appended claims.

Claims

1. An ink bag assembly is characterized by comprising an ink bag (100) and a protection piece (200), wherein the ink bag (100) comprises an ink bag body (1) and an ink outlet assembly (2), the ink bag body (1) comprises an ink storage cavity (117) for storing ink, an ink inlet of the ink outlet assembly (2) is communicated with the ink storage cavity (117), and the protection piece (200) is detachably connected with the ink bag (100) and seals the ink outlet of the ink outlet assembly (2).

2. The ink bag assembly according to claim 1, wherein the ink bag body (1) is provided with a first clamping structure, and the protection member (200) comprises a protection body (3) and a second clamping structure arranged on the protection body (3), and the second clamping structure is clamped with the first clamping structure.

3. The ink bag assembly according to claim 2, wherein the first clamping structure comprises a first clamping groove (111) and a first clamping protrusion (112) which are arranged on the ink bag body (1), the first clamping groove (111) and the first clamping protrusion (112) are respectively arranged on two opposite sides of the ink bag body (1), the second clamping structure comprises a second clamping protrusion (34) and a first elastic clamping piece (4) which are correspondingly arranged on the protection body (3), the second clamping protrusion (34) is clamped into the first clamping groove (111), and the first elastic clamping piece (4) is clamped with the first clamping protrusion (112).

4. The ink bag assembly according to claim 3, wherein the first elastic clamping member (4) comprises a first elastic arm (41) and a first clamping hook (42) which are connected, the first elastic arm (41) is connected with the protection body (3), and the first clamping hook (42) is clamped with the first clamping protrusion (112).

5. The ink bag assembly according to claim 4, wherein the first elastic snap member (4) further comprises a first toggle portion (43) connected to the first elastic arm (41), the first toggle portion (43) being configured to deform the first elastic arm (41) under an external force to disengage the first snap hook (42) from the first snap protrusion (112).

6. The ink bag assembly according to claim 2, wherein the protective body (3) comprises a mounting portion (31) and a sealing sleeve (32), the mounting portion (31) is arranged at the bottom of the ink bag body (1) at intervals, a port at one end of the sealing sleeve (32) is connected with the mounting portion (31) in a sealing manner, and the other end of the sealing sleeve (32) is sleeved outside an ink outlet of the ink outlet assembly (2) and supports the ink bag body (1).

7. The ink bag assembly according to claim 6, wherein the protective body (3) further includes a stopper portion (33), and the stopper portion (33) is connected to the mounting portion (31) and surrounds the outer circumference of the ink bag body (1).

8. The ink bag assembly according to claim 7, wherein a notch (113) is formed in the outer wall of the ink bag body (1), a protrusion (35) is correspondingly formed on the limiting portion (33), and the protrusion (35) is clamped into the notch (113).

9. The ink bag assembly according to claim 7, further comprising a first supporting portion (36), wherein the first supporting portion (36) is provided to protrude to an inner side of the position limiting portion (33), or the first supporting portion (36) is provided to protrude to a side of the mounting portion (31) close to the ink bag body (1), and the first supporting portion (36) is used to support the ink bag body (1).

10. The ink bag assembly according to claim 6, wherein the ink outlet member (2) includes an ink absorbing member (21) and a connecting sleeve (22) both deformable, the connecting sleeve (22) is sleeved outside the ink absorbing member (21), the connecting sleeve (22) is connected with the ink bag body (1), and one end of the ink absorbing member (21) is exposed to the ink storage chamber (117).

11. The ink bag assembly according to claim 10, wherein the connection sleeve (22) comprises a sleeve body (221) and an annular connection portion (222), the sleeve body (221) is sleeved outside the ink absorbing member (21), one end of the sleeve body (221) extends into the ink storage chamber (117) from an ink outlet opening of the ink storage chamber (117), the connection portion (222) is arranged on an outer wall of one end of the sleeve body (221) located outside the ink storage chamber (117) in a protruding mode, the connection portion (222) and the sleeve body (221) are larger than the ink outlet opening, and the connection portion (222) extends into the sealing sleeve (32).

12. The ink bag assembly according to claim 11, wherein an outer wall of an end of said cover body (221) located inside said ink reservoir (117) is also protrusively provided with said connecting portion (222).

13. The ink bag assembly according to claim 10, wherein said connecting sleeve (22) includes a first sleeve body portion (2211) and a second sleeve body portion (2212) connected, the size of said first sleeve body portion (2211) is larger than the size of said second sleeve body portion (2212), a fixing portion (13) is protruded from an outer wall of said ink bag body (1), said fixing portion (13) is disposed around an ink outlet opening of said ink reservoir (117), said first sleeve body portion (2211) is fitted outside said fixing portion (13), said ink absorbing member includes a first ink absorbing portion (211) and a second ink absorbing portion (212) connected, said first ink absorbing portion (211) is tightly fitted in said fixing portion (13), and said second ink absorbing portion (212) is tightly fitted in said second sleeve body portion (2212).

14. The ink bag assembly according to claim 13, wherein an avoiding groove (14) is further concavely formed on the outer wall of the ink bag body (1), the avoiding groove (14) is formed along the outer circumference of the fixing portion (13), and the first sleeve body portion (2211) extends into the avoiding groove (14).

15. The ink bag assembly according to claim 3, wherein a guide groove (114) is formed in the ink bag body (1), the first clamping protrusion (112) is protruded from a groove bottom wall of the guide groove (114), the guide groove (114) comprises an inlet and an avoiding opening, the first elastic clamping member (4) extends into the guide groove (114) from the inlet, and the avoiding opening is used for avoiding the first elastic clamping member (4).

16. The ink bag assembly according to claim 2, wherein the first clamping structure comprises a first clamping groove (111) and a clamping hole (16) which are arranged on the ink bag body (1), the first clamping groove (111) and the clamping hole (16) are respectively arranged on two opposite sides of the ink bag body (1), the second clamping structure comprises a second clamping protrusion (34) and a first elastic clamping piece (4) which are correspondingly arranged on the protection body (3), the second clamping protrusion (34) is clamped into the first clamping groove (111), and the first elastic clamping piece (4) is clamped with the hole wall of the clamping hole (16).

17. The ink bag assembly according to claim 16, wherein an avoiding cavity (15) is arranged on the ink bag body (1), the avoiding cavity (15) is communicated with the clamping hole (16), a cavity opening (151) of the avoiding cavity (15) penetrates through the outer wall of the ink bag body (1), and the first elastic clamping piece (4) extends into the avoiding cavity (15) from the cavity opening (151) and is clamped with the hole wall of the clamping hole (16).

18. An ink cartridge comprising the ink bag assembly according to any one of claims 1 to 17.