Ink box and ink-jet printing equipment

Abstract

The utility model provides an ink box and ink jet printing equipment, the ink box comprises a container, a sealing head, a sealing plug, leakproof cotton and a chip, the container is provided with an ink storage cavity and an ink outlet, the container comprises a main body and a cover body, the ink storage cavity and the ink outlet are both formed on the main body, an opening of the ink storage cavity is formed on a side wall of the main body, and the cover body is arranged on the main body. The ink outlet is located in the bottom wall of the main body and communicated with the ink storage cavity, the cover body covers the opening and is connected with the main body in a sealed mode, an ink adding opening communicated with the ink storage cavity is further formed in the main body, the sealing head is installed in the ink outlet and can be communicated with the ink storage cavity, the sealing plug is detachably installed in the ink adding opening, and the leakage-proof cotton is installed on the bottom wall. One part of the leakage-proof cotton is arranged in the circumferential direction of the ink outlet in a surrounding mode, and the chip is installed on the container. The ink-jet printing equipment is provided with the ink box, and the ink box has the advantages of being simple in structure, large in capacity and capable of being repeatedly used.

Description

Technical Field

[0001] The utility model relates to the technical field of printing, in particular to an ink cartridge and an inkjet printing device provided with the ink cartridge. Background Art

[0002] The ink cartridge is used to store ink and cooperate with the inkjet printing device to image the preset imaging result on the relevant media (such as paper). Figure 1 As shown, an existing ink cartridge 9 is shown, which includes a container 91 and a converter 92, wherein the container 91 is used to contain ink, and the converter 92 is connected between the container 91 and the inkjet printing device. However, the ink cartridge 9 has the following deficiencies: due to the provision of the converter 92, the ink storage space of the container 91 is compressed, resulting in a small capacity of the container 91, and a plurality of leak-proof cottons need to be provided between the converter 92 and the container 91 to achieve a leak-proof effect, resulting in a complex structure of the ink cartridge 9 and a high manufacturing cost; secondly, when the ink in the container 91 is exhausted, the user cannot add ink to the container 91 by himself, so that the ink cartridge 9 cannot be reused multiple times, which is not conducive to environmental protection; furthermore, during the printing process of the inkjet printing device, since the remaining ink amount in the container 91 cannot be monitored in real time, it is impossible to add ink or replace the ink cartridge 9 in time. Summary of the invention

[0003] In order to solve the above problems, the main purpose of the utility model is to provide a reusable ink cartridge with a simple structure and large capacity.

[0004] Another object of the utility model is to provide an inkjet printing device provided with the ink cartridge.

[0005] In order to achieve the main purpose of the utility model, the utility model provides an ink cartridge, including a container, the container having an ink storage cavity and an ink outlet, wherein the container includes a main body and a cover body, the ink storage cavity and the ink outlet are both formed on the main body, the opening of the ink storage cavity is formed on the side wall of the main body, the ink outlet is located on the bottom wall of the main body and is connected with the ink storage cavity, the cover body covers the opening, the cover body is sealed with the main body, and an ink filling port connected with the ink storage cavity is also formed on the main body; the ink cartridge also includes a sealing head, a sealing plug, leak-proof cotton and a chip, the sealing head is installed in the ink outlet, the sealing head can be connected with the ink storage cavity, the sealing plug can be detachably installed in the ink filling port, the leak-proof cotton is installed on the bottom wall, a part of the leak-proof cotton is arranged around the circumference of the ink outlet, and the chip is installed on the container.

[0006] As can be seen from the above, through the design of the ink cartridge, the ink in the ink storage chamber can flow to the inkjet printing device through the sealing head in the ink outlet at the bottom, thereby minimizing the amount of unusable ink remaining in the ink storage chamber; and the setting of the ink filling port allows the ink to be added to the ink storage chamber through the ink filling port when the ink remaining in the ink storage chamber is insufficient, so that the ink cartridge can be reused, thereby extending the service life of the ink cartridge and reducing the cost of use. After the ink is added, the ink filling port is sealed by the sealing plug; in addition, since the ink cartridge installs the chip on the container and cancels the setting of the converter, the capacity of the ink storage chamber is larger, the structure of the ink cartridge is simpler, and it is more conducive to reducing the production cost and assembly difficulty of the ink cartridge; the leak-proof cotton can absorb and clean the leaked ink in time when leakage occurs accidentally at the ink outlet, so as to prevent the ink from leaking into the inkjet printing device and causing damage to the inkjet printing device.

[0007] A preferred solution is that an observation window is provided on the rear end wall of the main body, the observation window is connected to the ink storage cavity, the container also includes a transparent plate, the transparent plate is sealed in the observation window; or the main body and / or the cover are made of transparent material.

[0008] As can be seen from the above, the above design allows the user to directly observe the remaining amount of ink in the ink storage chamber, so as to replenish the ink in the ink storage chamber or replace the ink cartridge in time.

[0009] Another preferred solution is that the leak-proof cotton has an integrally formed block portion and a sheet portion, and the main body is also formed with a accommodating groove, which is recessed from the bottom wall into the ink storage cavity, and the accommodating groove is isolated from the ink storage cavity. The accommodating groove has a first groove portion and a second groove portion, the block portion is located in the first groove portion, and the sheet portion is located in the second groove portion, and the sheet portion is arranged around the circumference of the ink outlet.

[0010] As can be seen from the above, the sheet portion surrounds the ink outlet, so that when ink leaks from any part of the ink outlet, the sheet portion can absorb the leaked ink in time to prevent the ink from leaking into the inkjet printing device. The setting of the block portion can greatly increase the amount of ink absorbed by the leak-proof cotton to extend the service life of the leak-proof cotton; the setting of the accommodating groove can make the overall structure of the ink cartridge more compact and is more conducive to increasing the capacity of the ink storage cavity.

[0011] A further solution is that the bottom wall has a guide surface in the ink storage cavity, and in the assembly position of the ink cartridge, the guide surface is inclined to the axis of the ink outlet, and the ink outlet is located at the lowest point of the guide surface.

[0012] As can be seen from the above, the guide surface can guide the ink in the ink storage chamber to the ink outlet, so as to minimize the unusable ink residue in the ink storage chamber, making the overall design of the ink cartridge more optimized and reasonable, and reducing the user's usage cost.

[0013] Another preferred solution is that the chip is detachably connected to the container; the chip is arranged close to the front end wall of the main body and close to the bottom wall.

[0014] As can be seen from the above, the above design allows the chip to be reused to extend the service life of the chip and reduce user costs. Arranging the chip close to the front end wall and bottom wall of the main body allows the chip to be first electrically connected to the electrical connection part in the ink cartridge installation cavity of the inkjet printing device when the ink cartridge is installed, thereby ensuring stable and reliable contact between the chip and the electrical connection part.

[0015] Another preferred solution is that the container also includes a film, which is located between the main body and the cover body, covers the opening, and is sealed to the main body and the cover body; a plurality of ribs are arranged in the ink storage cavity, and the plurality of ribs are distributed along the length direction of the main body, and the ribs extend from the bottom of the ink storage cavity to the cover body, and the ribs are adjacent to the film.

[0016] As can be seen from the above, the setting of the film improves the air pressure balance effect in the ink storage chamber during the operation of the ink cartridge, thereby preventing the ink in the ink storage chamber from leaking, and allowing the ink in the ink storage chamber to flow better from the sealing head to the inkjet printing equipment, so as to ensure the imaging quality and imaging reliability.

[0017] Another preferred solution is that the container further has an ergonomic notch, and the ergonomic notch is located at the top wall of the main body and the rear end wall of the main body.

[0018] As can be seen from the above, the above design allows the user to better hold and operate the ink cartridge for loading and unloading.

[0019] A further solution is that the ink filling port is located on the top wall of the main body, and the ink filling port is arranged close to the rear end wall of the main body.

[0020] As can be seen from the above, the above design makes it more convenient for the user to refill the ink storage chamber with ink, so that the user can directly refill the ink cartridge in the installed state without disassembling the ink cartridge.

[0021] A further solution is that the ink cartridge also includes a leak-proof membrane, which is arranged at the bottom of the main body and covers the sealing head; the sealing head has an ink outlet hole, and the sealing membrane is arranged in the ink outlet hole.

[0022] As can be seen from the above, the provision of the leak-proof film and the sealing film on the sealing head can protect the unused ink cartridge to prevent the ink cartridge from leaking during packaging and transportation.

[0023] In order to achieve another purpose of the utility model, the utility model mainly includes an inkjet printing device, including a body, the body having an ink cartridge installation cavity, the ink cartridge installation cavity having an ink interface and an electrical connection part, wherein the inkjet printing device also includes the above-mentioned ink cartridge, the ink cartridge is detachably installed in the ink cartridge installation cavity, the sealing head is connected to the ink interface, and the electrical connection part is electrically connected to the chip.

[0024] As can be seen from the above, the inkjet printing device provided with the above ink cartridge can perform more durable printing operations, and the ink storage chamber of the ink cartridge can be replenished with ink at any time to extend the service life of the ink cartridge and reduce the use cost of the inkjet printing device. BRIEF DESCRIPTION OF THE DRAWINGS

[0025] Figure 1 This is an exploded view of an existing ink cartridge.

[0026] Figure 2 It is a structural diagram of the first embodiment of the ink cartridge of the utility model from a first viewing angle.

[0027] Figure 3 It is a structural diagram of the first embodiment of the ink cartridge of the utility model from a second viewing angle.

[0028] Figure 4 It is an exploded view of the first embodiment of the ink cartridge of the utility model.

[0029] Figure 5 It is a structural diagram of the sealing head of the first embodiment of the ink cartridge of the utility model.

[0030] Figure 6 It is a structural diagram of the first embodiment of the ink cartridge of the utility model with some components omitted.

[0031] The present invention will be further described below with reference to the accompanying drawings and embodiments. DETAILED DESCRIPTION

[0032] Ink cartridge first embodiment

[0033] Reference Figures 2 to 4The ink cartridge 100 includes a container 1, a sealing head 2, a sealing plug 3, leak-proof cotton 4, a chip 5 and a leak-proof membrane 6. Among them, the container 1 has an ink storage cavity 111 and an ink outlet 112, the ink storage cavity 111 is used to store ink; the sealing head 2 is installed in the ink outlet 112 to seal the ink outlet 112 to prevent the ink from flowing out of the sealing head 2 in the ink outlet 112 when not in use. When the ink cartridge 100 is installed in the ink cartridge installation cavity of the inkjet printing device, the ink outlet 112 is docked with the ink through interface in the ink cartridge installation cavity, so that the ink can flow to the print nozzle of the inkjet printing device through the ink through interface, and be sprayed to the imaging medium (such as paper, cloth, etc.) through the print nozzle for imaging; the chip 5 is installed on the container 1, so that when the ink cartridge 100 is installed in the ink cartridge installation cavity, the chip 5 is electrically connected to the electrical connection part in the ink cartridge installation cavity, thereby establishing communication between the chip 5 and the control system of the inkjet printing device, so that the inkjet printing device can understand the current state of the ink cartridge 100 through the chip 5.

[0034] The container 1 comprises a main body 11, a cover 12 and a film 13, wherein the ink storage cavity 111 and the ink outlet 112 are both formed on the main body 11. The opening of the ink storage cavity 111 is formed on the side wall of the main body 11, that is, the opening of the ink storage cavity 111 and the bottom of the ink storage cavity 111 are distributed in the width direction of the main body 11, and the ink outlet 112 is located on the bottom wall 1101 of the main body 11, and the ink outlet 112 is connected to the ink storage cavity 111.

[0035] Preferably, the bottom wall 1101 of the main body 11 has a guide surface in the ink storage cavity 111. In the assembly position of the ink cartridge 100 (i.e., when the ink cartridge 100 is installed in the ink cartridge installation cavity of the inkjet printing device), the guide surface is inclined to the axis of the ink outlet 112, and the ink outlet 112 is located at the lowest point of the guide surface, that is, the height difference between the guide surface and the bottom of the ink cartridge installation cavity becomes smaller as the guide surface gets closer to the ink outlet, so that the ink in the ink storage cavity 111 can flow to the ink outlet 112 as much as possible through the guide surface, and then flow to the print head of the inkjet printing device through the sealing head 2 in the ink outlet 112, thereby minimizing the amount of unusable ink in the ink storage cavity 111, and making the overall design of the ink cartridge 100 more optimized and reasonable, and reducing the user's usage cost.

[0036] In addition, an ink filling port 113 is formed on the main body 11, and the ink filling port 113 is connected to the ink storage cavity 111. The setting of the ink filling port 113 allows the ink to be added to the ink storage cavity 111 through the ink filling port 113 when the ink remaining in the ink storage cavity 111 is insufficient, so that the ink cartridge 100 can be reused, the service life of the ink cartridge 100 is extended, and the use cost is reduced. Preferably, the ink filling port 113 is located on the top wall 1102 of the main body 11, and the ink filling port 113 is arranged close to the rear end of the main body 11, so that it is more convenient for the user to add ink to the ink storage cavity 111, so that the user can directly add ink to the installed ink cartridge 100 without disassembling the ink cartridge 100.

[0037] Furthermore, an observation window 114 is provided on the rear end wall 1104 of the main body 11, and the observation window 114 is communicated with the ink storage chamber 111. A transparent plate 14 is provided in the observation window 114, and the transparent plate 14 is sealed and installed in the observation window 114. This design allows the user to directly and intuitively observe the remaining amount of ink in the ink storage chamber 111 through the observation window 114, so as to replenish ink in the ink storage chamber 111 or replace the ink cartridge 100 in time, and also facilitates the user to intuitively observe the change of the remaining amount of ink in the ink storage chamber 111 when replenishing ink in the ink storage chamber 111, so as to prevent the ink from overflowing from the ink storage chamber 111.

[0038] Furthermore, the container 1 also has an ergonomic notch 15, which is located at the top of the main body 11 and the rear end wall 1104 of the main body 11. The ergonomic notch 15 is formed on the main body 11 and the cover 12, so that it is set in a way of penetrating the main body 11 and the cover 12 in the width direction of the main body 11. By setting the ergonomic notch 15 and designing the setting of the ergonomic notch 15, the user can better hold the ink cartridge 100 through the ergonomic notch 15 and operate the ink cartridge 100 for loading and unloading.

[0039] The cover body 12 covers the opening, and the cover body 12 is sealed and connected to the main body 11. The film 13 is located between the main body 11 and the cover body 12, and the film 13 covers the opening, and the film 13 is sealed and connected to the main body 11 and the cover body 12. Preferably, the sealed connection can be welded. Among them, the film 13 is preferably a waterproof and breathable film. The provision of the film 13 improves the air pressure balance effect in the ink storage chamber 111 during the operation of the ink cartridge 100, thereby preventing the ink in the ink storage chamber 111 from leaking, and allowing the ink in the ink storage chamber 111 to flow better from the sealing head 2 to the inkjet printing device, so as to ensure the imaging quality and imaging reliability. Furthermore, a plurality of ribs 115 are provided in the ink storage cavity 111, and the plurality of ribs 115 are distributed along the length direction of the main body 11 (i.e., the direction in which the front end wall 1103 of the main body 11 and the rear end wall 1104 of the main body 11 are distributed), and the ribs 115 extend from the bottom of the ink storage cavity 111 to the cover body 12, and the ribs 115 are adjacent to the film 13; the provision of the ribs 115 can not only enhance the overall strength and rigidity of the ink cartridge 100, but also support the film 13, thereby protecting the film 13 to a certain extent.

[0040] Combination Figure 5 , the sealing head 2 is installed in the ink outlet 112, and the sealing head 2 is sealed and connected to the ink outlet 112. The setting of the sealing head 2 enables the sealing head 2 to be sealed and connected to the ink passing interface in the ink cartridge installation cavity when the ink cartridge 100 is installed in the ink cartridge installation cavity of the inkjet printing device, thereby preventing the ink in the ink cartridge 100 from leaking from the gap between the sealing head 2 and the ink passing interface. Among them, the ink cartridge 100 has an ink outlet hole 21, and a sealing film 22 is arranged in the ink outlet hole 21. The setting of the sealing film 22 can protect the ink cartridge 100 in an unused state (unopened) to prevent the ink cartridge 100 from leaking ink during packaging and transportation. When the sealing head 2 is docked with the ink passing interface, the ink passing interface is inserted into the ink outlet hole 21, and the sealing film 22 is punctured, so that the ink passing interface is connected to the ink storage cavity 111.

[0041] The sealing plug 3 is detachably mounted in the ink filling port 113 , and is used to seal the ink filling port 113 to prevent the ink in the ink storage cavity 111 from leaking out of the ink filling port 113 . Preferably, the ink filling port 113 can be formed on the ergonomic notch 15 .

[0042] The leak-proof cotton 4 is installed on the bottom wall 1101 of the main body 11, and a part of the leak-proof cotton 4 is arranged around the circumference of the ink outlet 112. When leakage accidentally occurs at the ink outlet 112, the leak-proof cotton 4 can absorb and clean the leaked ink in time to prevent the ink from leaking into the inkjet printing device and causing damage to the inkjet printing device.

[0043] Preferably, the leak-proof cotton 4 has a block portion 41 and a sheet portion 42, and the block portion 41 and the sheet portion 42 are integrally formed. Among them, a receiving groove 116 is also formed on the main body 11, and the receiving groove 116 is recessed from the bottom wall 1101 of the main body 11 into the ink storage cavity 111, and the receiving groove 116 is isolated from the ink storage cavity 111. The receiving groove 116 has a first groove portion 1161 and a second groove portion 1162, and the first groove portion 1161 and the second groove portion 1162 are connected, and the first groove portion 1161 and the second groove portion 1162 are distributed along the length direction of the main body 11, and the ink outlet 112 is located in the second groove portion 1162. In addition, the block portion 41 of the leak-proof cotton 4 is located in the first groove portion 1161, the sheet portion 42 is located in the second groove portion 1162, and the sheet portion 42 is arranged around the circumference of the ink outlet 112. It can be seen that the setting of the accommodating groove 116 can make the overall structure of the ink cartridge 100 more compact and is more conducive to increasing the capacity of the ink storage chamber 111; and the sheet portion 42 is arranged around the circumference of the ink outlet 112, so that when ink leakage occurs at any part of the ink outlet 112, the sheet portion 42 can absorb the leaked ink in time to prevent the ink from leaking into the inkjet printing device; the setting of the block portion 41 can greatly increase the absorption of the leak-proof cotton 4 on the leaked ink, so as to extend the service life of the leak-proof cotton 4.

[0044] The chip 5 is mounted on the container 1; preferably, the chip 5 is detachably connected to the main body 11 of the container 1, and the chip 5 is arranged near the front end wall 1103 of the main body 11 and near the bottom wall 1101 of the main body 11. By designing the chip 5 to be detachably connected to the container 1, the chip 5 can be reused to extend the service life of the chip 5 and reduce the user's use cost; and by arranging the chip 5 near the front end wall 1103 and the bottom wall 1101 of the main body 11, the chip 5 can be first electrically connected to the electrical connection part in the ink cartridge installation cavity of the inkjet printing device when the ink cartridge 100 is installed, so as to ensure that the chip 5 can be in stable and reliable contact with the electrical connection part. Further, the chip 5 can be detachably connected to the container 1 through the chip 5 bracket to better prevent the chip 5 from being damaged when the chip 5 is loaded and unloaded from the container 1.

[0045] Combination Figure 6, the leakproof film 6 is arranged at the bottom of the main body 11, and the leakproof film 6 covers the sealing head 2. The setting of the leakproof film 6 can protect the ink cartridge 100 in an unused state (unopened) to prevent the ink cartridge 100 from leaking ink during packaging and transportation. Preferably, the leakproof film 6 has a body 61 and a lifting portion 62, the body 61 covers the bottom wall 1101 of the main body 11, the lifting portion 62 extends along the width direction of the main body 11, and the lifting portion 62 extends out of the body 61; in addition, the body 61 is formed with an easy-tear line 611 in the extension direction of the lifting portion 62, and the ink outlet 112 is located between the two easy-tear lines 611, so that when the user uses the ink cartridge 100, a part of the body 61 of the leakproof film 6 can be torn off by the lifting portion 62, thereby exposing the ink outlet 112, so that the ink-passing interface in the ink cartridge installation cavity of the inkjet printing device is more convenient and labor-saving when docking with the sealing head 2, and the ink-passing interface can be better prevented from being damaged.

[0046] In summary, it can be seen that through the design of the ink cartridge 100, the ink in the ink storage chamber 111 can flow to the inkjet printing device through the sealing head 2 in the ink outlet 112 at the bottom, thereby reducing the amount of unusable ink in the ink storage chamber 111 to the greatest extent; and the setting of the ink filling port 113 makes it possible to add ink to the ink storage chamber 111 through the ink filling port 113 when the ink remaining in the ink storage chamber 111 is insufficient, so that the ink cartridge 100 can be reused, the service life of the ink cartridge 100 is extended, and the use cost is reduced. After the ink is added, the ink filling port 113 is sealed by the sealing plug 3; and, The user can directly observe the remaining ink in the ink storage chamber 111 of the ink cartridge 100 through the observation window 114 and the transparent plate 14, so as to replenish the ink to the ink storage chamber 111 or replace the ink cartridge 100 in time; in addition, since the ink cartridge 100 installs the chip 5 on the container 1 and cancels the setting of the converter, the capacity of the ink storage chamber 111 is larger, the structure of the ink cartridge 100 is simpler, and it is more conducive to reducing the production cost and assembly difficulty of the ink cartridge 100; the leak-proof cotton 4 can absorb and clean the leaked ink in time when leakage occurs at the ink outlet 112 accidentally, so as to prevent the ink from leaking into the inkjet printing device and causing damage to the inkjet printing device.

[0047] Ink cartridge second embodiment

[0048] The difference between this embodiment and the first embodiment of the ink cartridge is that, in this embodiment, the film in the container is eliminated, and the cover is directly and hermetically connected to the main body.

[0049] Ink cartridge third embodiment

[0050] The difference between this embodiment and the above embodiments is that, in this embodiment: the observation window on the main body of the container and the transparent plate of the container are eliminated, and the main body and / or the cover are made of transparent materials.

[0051] Preferably, the main body and / or cover made of transparent material is provided with scale lines, so that when the ink cartridge is installed in the ink cartridge installation cavity of the inkjet printing device, the remaining ink in the ink storage cavity of the container can be observed intuitively and in real time.

[0052] Inkjet printing device embodiment

[0053] An inkjet printing device includes a body and an ink cartridge; wherein the ink cartridge is the ink cartridge described in any one of the first to third embodiments of the ink cartridge. The body has an ink cartridge installation cavity, the ink cartridge installation cavity has an ink interface and an electrical connection portion, the ink cartridge is detachably installed in the ink cartridge installation cavity, the sealing head is docked with the ink interface, and the electrical connection portion is electrically connected to the chip. It can be seen that the inkjet printing device provided with the above ink cartridge can perform more persistent printing operations, and the ink storage cavity of the ink cartridge can be replenished with ink at any time to extend the service life of the ink cartridge and reduce the use cost of the inkjet printing device.

[0054] Finally, it should be emphasized that the above is only a preferred embodiment of the present invention and is not intended to limit the present invention. For those skilled in the art, the present invention may have various changes and modifications. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention should be included in the scope of protection of the present invention.

Claims

1. An ink cartridge, comprising a container, the container having an ink storage chamber and an ink outlet, characterized in that: The container comprises a main body and a cover body, the ink storage cavity and the ink outlet are both formed on the main body, the opening of the ink storage cavity is formed on the side wall of the main body, the ink outlet is located on the bottom wall of the main body and communicates with the ink storage cavity, the cover body covers the opening, the cover body is sealed with the main body, and the main body is also formed with an ink filling port communicated with the ink storage cavity; The ink cartridge also includes a sealing head, a sealing plug, leak-proof cotton and a chip. The sealing head is installed in the ink outlet and can be connected to the ink storage cavity. The sealing plug can be detachably installed in the ink filling port. The leak-proof cotton is installed on the bottom wall. A part of the leak-proof cotton is arranged around the circumference of the ink outlet. The chip is installed on the container.

2. The ink cartridge according to claim 1, characterized in that: An observation window is provided on the rear end wall of the main body, the observation window is communicated with the ink storage cavity, and the container further comprises a transparent plate, the transparent plate is sealed and installed in the observation window; or The main body and / or the cover are made of transparent material.

3. The ink cartridge according to claim 1, characterized in that: The leak-proof cotton has an integrally formed block portion and a sheet portion, and the main body is also formed with a accommodating groove, which is recessed from the bottom wall into the ink storage cavity, and the accommodating groove is isolated from the ink storage cavity. The accommodating groove has a first groove portion and a second groove portion, the block portion is located in the first groove portion, and the sheet portion is located in the second groove portion, and the sheet portion is arranged around the circumference of the ink outlet.

4. The ink cartridge according to claim 3, characterized in that: The bottom wall has a guide surface in the ink storage cavity. In the assembly position of the ink cartridge, the guide surface is inclined to the axis of the ink outlet, and the ink outlet is located at the lowest point of the guide surface.

5. The ink cartridge according to claim 1, characterized in that: The chip is detachably connected to the container; The chip is arranged close to the front end wall of the main body and close to the bottom wall.

6. The ink cartridge according to claim 1, characterized in that: The container further comprises a film, the film is located between the main body and the cover, the film covers the opening, and the film is sealed and connected to the main body and the cover; A plurality of ribs are arranged in the ink storage cavity, and the plurality of ribs are distributed along the length direction of the main body. The ribs extend from the bottom of the ink storage cavity to the cover body, and the ribs are adjacent to the film.

7. The ink cartridge according to claim 1, characterized in that: The container also has ergonomic notches located at the top wall of the body and the rear end wall of the body.

8. The ink cartridge according to any one of claims 1 to 7, characterized in that: The ink adding port is located on the top wall of the main body, and the ink adding port is arranged close to the rear end wall of the main body.

9. The ink cartridge according to claim 7, characterized in that: The ink cartridge further comprises a leak-proof membrane, which is arranged at the bottom of the main body and covers the sealing head; The sealing head has an ink outlet hole, and a sealing film is arranged in the ink outlet hole.

10. An inkjet printing device, comprising a body, the body having an ink cartridge installation cavity, the ink cartridge installation cavity having an ink passage interface and an electrical connection portion, characterized in that: The inkjet printing device also includes an ink cartridge as described in any one of claims 1 to 9, wherein the ink cartridge is detachably installed in the ink cartridge installation cavity, the sealing head is docked with the ink passage interface, and the electrical connection portion is electrically connected to the chip.

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