Ink box

By designing the ink filling hole in the ink cartridge to intersect or be perpendicular to the plane of the filter screen, the problem of ink filling tools damaging the filter screen is solved, thus protecting the filter screen and ensuring normal printing and ink filling speed of the imaging device.

CN223702040UActive Publication Date: 2025-12-23ZHONGSHAN JUNWEI OFFICE SUPPLIES CO LTD
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Patent Information

Application Number
CN202520294257.6
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-02-21
Publication Date
2025-12-23
Estimated Expiration
2035-02-21

AI Technical Summary

Technical Problem

Ink cartridge refill tools can easily damage the filter, affecting the quality of the filtered ink and consequently impacting the normal printing function of the imaging device.

Method used

The ink cartridge is designed with a shell and cover combined. The filter is located between the ink storage chamber and the ink supply chamber. The ink filling hole is located on the side wall of the shell, intersecting or perpendicular to the plane of the filter, ensuring that the ink filling tool does not directly contact the filter.

Benefits of technology

It effectively protects the filter, prevents damage to the ink filling tool, ensures normal printing of imaging equipment, and is suitable for both new and recycled ink cartridges, improving ink filling speed and image quality.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model provides an ink box which can be detachably installed on ink-jet imaging equipment, the ink box comprises a shell and a cover body which are combined with each other and an ink cavity formed between the shell and the cover body, and the ink cavity is used for containing ink; the ink cavity comprises an ink storage cavity and an ink supply cavity which are in fluid communication, the ink box further comprises a filter screen used for filtering impurities of ink in the ink storage cavity, the ink in the ink storage cavity enters the ink supply cavity through the filter screen, and the ink in the ink supply cavity is supplied to imaging equipment through an ink outlet communicated with the ink supply cavity; the posture of the ink box installed on the imaging device serves as the standard, the arrangement direction of the shell and the cover body is the up-down direction, and the filter screen is located between the ink storage cavity and the ink supply cavity in the up-down direction. The ink box is further provided with at least one ink adding hole used for adding ink into the ink supply cavity, the ink adding hole is formed in one side wall of the shell, and the plane passing through the side wall where the ink adding hole is located intersects with the plane where the filter screen is located. By means of the arrangement, the filter screen is not prone to being damaged by the ink adding tool.
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Description

TECHNICAL FIELD

[0001] The utility model relates to inkjet imaging technical field especially relates to a cartridge for inkjet imaging equipment. BACKGROUND

[0002] The cartridge is a kind of consumables that can be detachably installed in inkjet imaging equipment, and the cartridge includes a cartridge body, an ink chamber for storing ink is formed in the cartridge body, the ink chamber includes a storage chamber and a supply chamber that are in fluid communication, the cartridge further includes a nozzle and an ink outlet, the nozzle is arranged at the ink outlet, and the ink in the supply chamber is supplied to the imaging equipment through the nozzle;The cartridge includes a filter screen for filtering impurities in the ink in the storage chamber, and the filter screen is located between the storage chamber and the supply chamber, and the ink in the storage chamber enters the supply chamber after passing through the filter screen.

[0003] The cartridge is further provided with an ink adding hole for adding ink to the supply chamber, and when a user adds ink to the supply chamber by passing through the ink adding hole with an ink adding tool, the ink adding tool is easy to contact the filter screen, thereby damaging the filter screen and affecting the quality of filtered ink, and further affecting the normal printing of the imaging equipment. SUMMARY

[0004] The cartridge provided by the utility model can solve at least one of the above technical problems, and the specific technical solutions are as follows:

[0005] The cartridge can be detachably installed in inkjet imaging equipment, and the cartridge includes a shell and a cover that are combined with each other, and an ink chamber formed between the shell and the cover, and the ink chamber is used for containing ink;The ink chamber includes a storage chamber and a supply chamber that are in fluid communication, and the cartridge further includes a filter screen for filtering impurities in the ink in the storage chamber, and the ink in the storage chamber enters the supply chamber after passing through the filter screen, and the ink in the supply chamber is supplied to the imaging equipment through an ink outlet in communication with the supply chamber.

[0006] In the posture that the cartridge is installed in the imaging equipment, the arrangement direction of the shell and the cover is the up-down direction, and in the up-down direction, the filter screen is located between the storage chamber and the supply chamber;The cartridge is further provided with at least one ink adding hole for adding ink to the supply chamber, and the ink adding hole is arranged on one side wall of the shell, and the plane passing through the side wall where the ink adding hole is located intersects the plane where the filter screen is located.

[0007] When observed along the direction perpendicular to the up-down direction, the opening direction of the ink adding hole and the direction where the projection of the filter screen is located are parallel to each other.

[0008] The plane passing through the side wall where the ink adding hole is located is perpendicular to the plane where the filter screen is located.

[0009] The direction intersecting with the up-down direction is the front-rear direction, and the direction intersecting with both the up-down direction and the front-rear direction is the left-right direction; the shell comprises a lower side wall, a front side wall, a rear side wall, a left side wall and a right side wall, the cover body is arranged opposite to the lower side wall in the up-down direction, the front side wall and the rear side wall are arranged opposite in the front-rear direction, and the left side wall and the right side wall are arranged opposite in the left-right direction; the ink outlet is arranged on the lower side wall, and the ink adding hole is arranged on a different side wall of the shell from the ink outlet.

[0010] The angle between the plane of the side wall where the ink adding hole is located and the plane where the filter screen is located is less than or equal to 90°.

[0011] The angle between the plane of the side wall where the ink adding hole is located and the plane where the filter screen is located ranges from 80° to 90°.

[0012] The direction intersecting with the up-down direction is the front-rear direction, and the direction intersecting with both the up-down direction and the front-rear direction is the left-right direction; the shell comprises a lower side wall, a front side wall, a rear side wall, a left side wall and a right side wall, the cover body is arranged opposite to the lower side wall in the up-down direction, the front side wall and the rear side wall are arranged opposite in the front-rear direction, and the left side wall and the right side wall are arranged opposite in the left-right direction; the ink cartridge further comprises a nozzle arranged on the lower side wall and used for ejecting ink.

[0013] The ink cavity is divided into at least two containing cavities, and different containing cavities are used for containing different colors of ink; the ink adding hole is arranged in a plurality of numbers, and each containing cavity corresponds to one ink adding hole.

[0014] When the ink cartridge is a brand-new ink cartridge, the ink adding hole is pre-formed; when the ink cartridge is a regenerated ink cartridge, the ink adding hole is formed in the regeneration process of the ink cartridge.

[0015] Compared with the prior art, the ink cartridge provided by the utility model is provided with an ink adding hole used for adding ink into the ink supply cavity, the plane of the side wall where the ink adding hole is located intersects or is perpendicular to the plane where the filter screen is located, or in other words, when viewed along the direction perpendicular to the up-down direction, the opening direction of the ink adding hole is parallel to the direction where the projection of the filter screen is located, through such a design, when the ink adding tool enters the ink supply cavity to add ink through the ink adding hole, the filter screen is not easy to be damaged by the ink adding tool, so that the normal printing of the imaging equipment can be avoided. BRIEF DESCRIPTION OF DRAWINGS

[0016] Figure 1 is the perspective view of the ink cartridge related to the embodiment one of the utility model.

[0017] Figure 2 is the perspective view of the ink cartridge hidden protection piece related to the embodiment one of the utility model.

[0018] Figure 3is the exploded view of the ink cartridge hidden protection piece of the embodiment one of the utility model.

[0019] Figure 4 is the perspective view of the shell of the ink cartridge of the embodiment one of the utility model.

[0020] Figure 5 is the plan view of the ink cartridge hidden protection piece of the embodiment one of the utility model from front to back.

[0021] Figure 6 is the plan view of the ink cartridge hidden protection piece of the embodiment one of the utility model from front to back. Figure 5

[0022] Figure 7 is the partial exploded view of the ink cartridge hidden protection piece of the embodiment two of the utility model.

[0023] Figure 8 is the perspective view of the shell of the ink cartridge of the embodiment two of the utility model. DETAILED DESCRIPTION

[0024] The embodiments of the utility model are described in detail below with reference to the drawings.

[0025] Figure 1 is the perspective view of the ink cartridge of the embodiment one of the utility model.

[0026] The ink cartridge 100 can be mounted to the inkjet imaging device in a detachable manner, such as Figure 1 As shown, the ink cartridge 100 comprises the shell 10 and the cover 20 combined with each other and the ink cavity 30 formed between the shell 10 and the cover 20, and the ink cavity 30 is used for accommodating ink; with the posture of the ink cartridge 100 mounted on the imaging device as the reference, the arrangement direction of the shell 10 and the cover 20 is the up-down direction, the direction intersecting with the up-down direction is the front-back direction, and the direction intersecting with both the up-down direction and the front-back direction is the left-right direction, preferably, the up-down direction, the front-back direction and the left-right direction are orthogonal to each other.

[0027] Figure 2 is the perspective view of the ink cartridge hidden protection piece of the embodiment one of the utility model; Figure 3 is the exploded view of the ink cartridge hidden protection piece of the embodiment one of the utility model.

[0028] As shown in Figure 1 , Figure 2 and Figure 3 , the shell 10 comprises the lower side wall 11, the front side wall 12, the rear side wall 13, the left side wall 14 and the right side wall 15, the cover 20 is oppositely arranged with the lower side wall 11 in the up-down direction, the front side wall 12 and the rear side wall 13 are oppositely arranged in the front-back direction, and the left side wall 14 and the right side wall 15 are oppositely arranged in the left-right direction. ​

[0029] The shell 10 further comprises a sub-lower side wall 16, which is above the lower side wall 11 in the up-down direction and is in front of the lower side wall 11 in the front-rear direction; the shell 10 further comprises a sub-front side wall 17, which is behind the front side wall 12 and is behind the sub-lower side wall 16 in the front-rear direction, and which is below the front side wall 12 and is below the sub-lower side wall 16 in the up-down direction, and which is connected with the sub-lower side wall 16 and the lower side wall 11.

[0030] Figure 4 is a perspective view of the shell of the ink cartridge according to the first embodiment of the present application.

[0031] As shown in Figure 2 , Figure 3 and Figure 4 , the left side wall 14 comprises a first part 141 and a second part 142 arranged in the up-down direction, and the right side wall 15 also comprises a third part 151 and a fourth part 152 arranged in the up-down direction; the ink cavity 30 comprises an ink storage cavity 31 and an ink supply cavity 32 which are in fluid communication, and ink in the ink storage cavity 31 can be supplemented to the ink supply cavity 32, and a porous adsorption part (sponge) is generally arranged in the ink storage cavity 31, and at least one ink injection hole 21 is arranged on the cover 20, and a user can add ink to the ink storage cavity 31 through the ink injection hole 21.

[0032] The ink in the ink supply cavity 32 can be supplied to an imaging device, and the ink storage cavity 31 is above the ink supply cavity 32, which is beneficial for the ink in the ink storage cavity 31 to enter the ink supply cavity 32 under the action of gravity; the ink cartridge 100 further comprises a filter screen 40 for filtering impurities in the ink in the ink storage cavity 31, and the filter screen 40 is between the ink storage cavity 31 and the ink supply cavity 32 in the up-down direction.

[0033] In a direction perpendicular to the up-down direction, the ink storage cavity 31 is opposite to the first part 141 and the third part 151, the ink supply cavity 32 is opposite to the second part 142 and the fourth part 152, and the first part 141, the third part 151, a part of the rear side wall 13, the cover 20 and the front side wall 12 enclose the ink storage cavity 31, and the second part 142, the fourth part 152, another part of the rear side wall 13, the lower side wall 11 and the sub-front side wall 17 enclose the ink supply cavity 32.

[0034] The ink cartridge 100 further comprises a nozzle 50 and an ink outlet 51 arranged on the lower side wall 11, the ink outlet 51 is in communication with the ink supply cavity 32, and the nozzle 50 is arranged at the ink outlet 51, and the nozzle 50 is used for ejecting ink, so that the ink in the ink supply cavity 32 is supplied to an imaging device for imaging through the nozzle 50 at the ink outlet 51.

[0035] In some embodiments, asFigure 1 As shown in the figures, the ink cartridge 100 further comprises a protective member 60 for protecting the nozzle 50, which can avoid the ink cartridge 100 from being damaged before use, and the protective member 60 needs to be removed before the ink cartridge 100 is installed into the image forming device.

[0036] [Embodiment One]

[0037] Figure 5 is a plan view of the ink cartridge hidden protective member according to the embodiment one of the present application, viewed from front to back; Figure 6 is a plan view along Figure 5 the AA direction after being cut.

[0038] As shown in the figures, the ink cartridge 100 further comprises a protective member 60 for protecting the nozzle 50, which can avoid the ink cartridge 100 from being damaged before use, and the protective member 60 needs to be removed before the ink cartridge 100 is installed into the image forming device. Figure 1 、 Figure 2 、 Figure 5 and Figure 6 As shown in the figures, the ink cartridge 100 further comprises at least one ink adding hole 70 for adding ink to the ink supply chamber 32, the ink adding hole 70 is located on a different side wall of the housing 10 from the nozzle 50, and the ink adding hole 70 is also located on a different side wall of the housing 10 from the ink outlet 51, or in other words, the ink adding hole 70 is not located on the lower side wall 11 of the housing, the plane M of the side wall where the ink adding hole 70 is located intersects with the plane N where the filter screen 40 is located, and preferably, the plane M and the plane N are perpendicular to each other.

[0039] The included angle α between the plane M and the plane N is less than or equal to 90°, generally, the angle range of the included angle α is 80° to 90°, and preferably, the plane M and the plane N are perpendicular to each other, that is, the included angle α between the plane M and the plane N is 90°, at this time, viewed along the direction perpendicular to the up-down direction, the opening direction of the ink adding hole 70 and the direction where the projection of the filter screen 40 is located are parallel to each other.

[0040] In some embodiments, the included angle α between the plane M and the plane N is greater than 90°.

[0041] In some embodiments, the ink adding hole 70 is arranged on the sub-front side wall 17, and in other realizable modes, the ink adding hole 70 can also be arranged on any one of the lower side wall 11, the second part 142 and the fourth part 152.

[0042] In some embodiments, when the remaining ink amount of the ink chamber 30 in the ink cartridge 100 is insufficient, the user can use an ink adding tool to add ink to the ink supply chamber 32 through the ink adding hole 70, for example, as shown in Figure 1 the ink adding tool is a syringe 200.

[0043] The ink box 100 comprises a sealing member 80 for sealing the ink adding hole 70, in some embodiments, the sealing member 80 is made of elastic material and is provided with a through hole, in a natural state (a state without external force), the sealing member 80 can be self-sealed, when the ink supply cavity 32 needs to be added with ink, the ink adding tool can be opened and passed through the through hole, so as to realize the adding of ink into the ink supply cavity 32; in other embodiments, the sealing member 80 is not provided with a through hole, when the ink supply cavity 32 needs to be added with ink, at least a part of the sealing member 80 needs to be removed first, and then the ink adding tool is passed through the ink adding hole, so as to realize the adding of ink into the ink supply cavity 32.

[0044] In the embodiment, the ink box 100 is a single-color ink box, and preferably, the ink cavity 30 is filled with black ink.

[0045] [Embodiment Two]

[0046] Embodiment Two only describes the differences from Embodiment One.

[0047] Figure 7 is a partial exploded view of the ink box hidden protection member according to Embodiment Two of the utility model; Figure 8 is a perspective view of the shell of the ink box according to Embodiment Two of the utility model.

[0048] As shown in Figs. Figure 7 and Figure 8 When the ink box 100 is a color ink box, the ink cavity 30 is divided into at least two containing cavities 33, and the different containing cavities 33 are separated by a partition plate 34, and the different containing cavities 33 are used for containing ink of different colors; each containing cavity 33 comprises the above-mentioned ink storage cavity 31 and ink supply cavity 32, and each ink supply cavity 32 is correspondingly provided with the above-mentioned ink adding hole 70 and sealing member 80, through such a design, the user can add ink into the corresponding containing cavity 33 through the corresponding ink adding hole 70, and the different ink adding holes 70 will not interfere with each other.

[0049] [Advantages]

[0050] Compared with the prior art, the ink box 100 provided by the utility model has the following advantages:

[0051] Firstly, the ink box 100 is provided with an ink adding hole 70 for adding ink into the ink supply cavity 32, the plane M passing through the side wall of the ink adding hole 70 intersects or is perpendicular to the plane N on which the filter screen 40 is located, or in other words, when viewed along a direction perpendicular to the up-down direction, the opening direction of the ink adding hole 70 is parallel to the direction in which the projection of the filter screen 40 is located, through such a design, when the ink adding tool enters the ink supply cavity 32 to add ink, the ink adding tool is not easy to damage the filter screen 40, so that the normal printing of the imaging equipment can be avoided.

[0052] In the second aspect, the technical scheme of the utility model can be applied to not only the regenerated ink cartridge but also the brand-new ink cartridge. When applied to the brand-new ink cartridge, the ink adding hole 70 needs to be pre-formed and the sealing member 80 needs to be installed. When applied to the regenerated ink cartridge, the ink adding hole 70 is formed in the process of regeneration of the ink cartridge.

[0053] In the third aspect, the ink adding tool can pass through the ink adding hole 70 to add ink into the ink supply cavity 32, so that the air in the ink supply cavity 32 can be discharged as much as possible, the bubbles in the ink supply cavity 32 can be avoided, and the situation of broken line during imaging can be avoided, thereby affecting the imaging quality of the imaging equipment.

[0054] In the fourth aspect, the user can add ink to the ink storage cavity 31 and the ink supply cavity 32 through the ink adding hole 21 and the ink adding hole 70 respectively, and the speed of filling the ink into the ink cavity 30 can be improved.

[0055] In the fifth aspect, the included angle α between the plane M and the plane N can be greater than 90°, so that the possibility of contact or even damage of the filter screen 40 by the ink adding tool when passing through the ink adding hole 70 can be further reduced.

Claims

1. An ink cartridge that can be detachably installed into an inkjet imaging device, the ink cartridge comprising a housing and a cover joined together and an ink chamber formed between the housing and the cover, the ink chamber for containing ink; the ink chamber includes an ink reservoir and an ink supply chamber in fluid communication, the ink cartridge also includes a filter for filtering impurities in the ink reservoir, the ink in the ink reservoir passing through the filter into the ink supply chamber, and the ink in the ink supply chamber being supplied to the imaging device through an ink outlet communicating therewith; With the ink cartridge installed in the imaging device as a reference, the housing and cover are arranged in a vertical direction, and the filter is located between the ink storage chamber and the ink supply chamber in this vertical direction; the ink cartridge also has at least one ink filling hole for adding ink to the ink supply chamber, and the ink filling hole is located on one side wall of the housing, characterized in that, The plane passing through the side wall where the ink filling hole is located intersects with the plane where the filter screen is located.

2. The ink cartridge according to claim 1, characterized in that, When viewed along a direction perpendicular to the vertical direction, the opening direction of the ink filling hole is parallel to the direction of the filter screen's projection.

3. The ink cartridge according to claim 1, characterized in that, The plane passing through the side wall where the ink filling hole is located is perpendicular to the plane where the filter screen is located.

4. The ink cartridge according to claim 1, characterized in that, The direction intersecting the vertical direction is the front-back direction, and the direction intersecting both the vertical and front-back directions is the left-right direction. The housing includes a lower side wall, a front side wall, a rear side wall, a left side wall, and a right side wall. In the vertical direction, the cover is opposite to the lower side wall. In the front-back direction, the front side wall and the rear side wall are opposite to each other. In the left-right direction, the left side wall and the right side wall are opposite to each other. The ink outlet is located on the lower side wall, and the ink filling hole and the ink outlet are located on different side walls of the housing.

5. The ink cartridge according to claim 4, characterized in that, The angle between the plane of the side wall where the ink filling hole is located and the plane where the filter screen is located is less than or equal to 90°.

6. The ink cartridge according to claim 5, characterized in that, The angle between the plane of the side wall where the ink filling hole is located and the plane where the filter screen is located ranges from 80° to 90°.

7. The ink cartridge according to claim 1, characterized in that, The direction intersecting the vertical direction is the front-back direction, and the direction intersecting both the vertical and front-back directions is the left-right direction; the housing includes a lower side wall, a front side wall, a rear side wall, a left side wall, and a right side wall. In the vertical direction, the cover is opposite to the lower side wall; in the front-back direction, the front side wall and the rear side wall are opposite to each other; in the left-right direction, the left side wall and the right side wall are opposite to each other; the ink cartridge also includes a printhead disposed on the lower side wall for ejecting ink; the ink filling hole and the printhead are located on different side walls of the housing.

8. The ink cartridge according to any one of claims 1 to 7, characterized in that, The ink chamber is divided into at least two receiving chambers, each used to hold ink of different colors; multiple ink filling holes are provided, with each receiving chamber corresponding to one ink filling hole.

9. The ink cartridge according to any one of claims 1 to 7, characterized in that, When the ink cartridge is a brand new ink cartridge, the ink filling port is pre-opened; when the ink cartridge is a remanufactured ink cartridge, the ink filling port is opened during the ink cartridge remanufacturing process.