Ink adding device capable of balancing internal pressure and external pressure of ink box

By using a dust cover and a flexible structure in the ink refilling device, dust is prevented from entering the ink cartridge. This maintains pressure balance inside and outside the cartridge, solving the problem of dust contaminating the ink and achieving clean and stable ink refilling.

CN223672107UActive Publication Date: 2025-12-16ZHUHAI PINSHENG TECH CO LTD
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Patent Information

Application Number
CN202423104687.1
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-12-16
Publication Date
2025-12-16
Estimated Expiration
2034-12-16

AI Technical Summary

Technical Problem

During the ink refilling process, dust and other impurities may enter the ink cartridge through the gap between the ink refill tube and the ink refill hole, contaminating the ink.

Method used

Design an ink filling device that balances the internal and external pressure of an ink cartridge. The device uses a dust cover and an elastic structure. The dust cover covers the ink filling hole under the action of the elastic structure to prevent dust from entering, while maintaining the pressure balance inside and outside the ink cartridge through the vent.

Benefits of technology

It effectively prevents dust from entering the ink cartridge, maintains pressure balance inside and outside the cartridge, and ensures ink quality.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model discloses an ink adding device with balanced internal and external pressure of an ink box, which comprises a fixing frame, an ink adding device is arranged on the fixing frame, the ink adding device is connected with an ink adding pipe matched with an ink adding hole of the ink box, the ink adding pipe is connected with a dust cover, an elastic structure is arranged between the dust cover and the ink adding pipe, and the dust cover is connected with the ink adding pipe. A vent hole is formed in the side portion of the dust cover, and the dust cover covers the ink adding hole under the action of an elastic structure. In order to prevent impurities such as dust from being brought into the ink box to pollute ink, the dust cover is connected to the ink adding pipe and can prevent part of dust from entering the ink box, on the basis, the elastic structure is further arranged on the ink adding pipe, the dust cover can adapt to ink adding work of ink boxes with different heights under the action of the elastic structure, and the ink adding efficiency is improved. Popularization and application are convenient.
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Description

TECHNICAL FIELD

[0001] The utility model relates to an ink cartridge inner and outer pressure balance ink adding device. BACKGROUND

[0002] The ink cartridge mainly refers to the component for storing printing ink and finally completing printing in the inkjet printer. In the processing process, the ink is injected into the ink adding hole of the ink cartridge through the ink adding pipe of the ink adding device. Since the ink cartridge has air itself, the air can escape from the gap between the ink adding pipe and the ink adding hole, preventing the problem of bulging of the ink cartridge. However, the above-mentioned ink adding method has the following problems: dust and impurities may be brought into the ink cartridge during the ink adding process, thereby polluting the ink. SUMMARY

[0003] The utility model discloses an ink cartridge inner and outer pressure balance ink adding device.

[0004] In order to solve the above-mentioned technical problems, the utility model adopts the following technical scheme:

[0005] An ink cartridge inner and outer pressure balance ink adding device comprises a fixing frame, an ink adding device is arranged on the fixing frame, an ink adding pipe matched with the ink adding hole of the ink cartridge is connected to the ink adding device, a dust cover is connected to the ink adding pipe, an elastic structure is arranged between the dust cover and the ink adding pipe, a vent hole is arranged on the side of the dust cover, and the dust cover covers the ink adding hole under the action of the elastic structure.

[0006] Preferably, a fixing plate for fixing and limiting the ink adding pipe is arranged on the fixing frame.

[0007] Preferably, the elastic structure comprises a positioning table arranged on the ink adding pipe, an elastic member is arranged around the ink adding pipe, one end of the elastic member is connected to the positioning table, and the other end of the elastic member is connected to the dust cover.

[0008] Preferably, a protrusion is arranged on the positioning table, and a clamping groove matched with the protrusion is arranged on the ink adding pipe.

[0009] Preferably, the elastic member is a spring.

[0010] Preferably, the fixing plate is of L-shaped structure.

[0011] The utility model has the advantages of:

[0012] In order to prevent impurities such as dust from being brought into the ink box to pollute the ink, the dust cover is connected to the ink adding pipe, and the dust cover can block part of the dust from entering the ink box, and on this basis, the elastic structure is arranged on the ink adding pipe, and the dust cover can adapt to the ink adding work of ink boxes with different heights under the action of the elastic structure, so that the application is convenient. BRIEF DESCRIPTION OF DRAWINGS

[0013] The above and / or additional aspects and advantages of the present application will become apparent and more readily appreciated from the following description of the embodiments, taken in conjunction with the accompanying drawings of which:

[0014] Figure 1 Structure diagram of the ink adding device for balancing the internal and external pressures of the ink box Figure One ;

[0015] Figure 2 Structure diagram of the ink adding device for balancing the internal and external pressures of the ink box Figure Two . DETAILED DESCRIPTION

[0016] The embodiments of the present application will be described in detail below, and the embodiments are shown in the drawings, wherein the same or similar reference numerals represent the same or similar elements or elements having the same or similar functions throughout.

[0017] The orientation shown in the drawings cannot be understood as limiting the specific protection scope of the present application, and is only for the reference understanding of the preferred embodiments, and the position of the product components shown in the drawings can be changed or the number can be increased or the structure can be simplified.

[0018] The "connection" described in the specification and the "connection" relationship of the components shown in the drawings can be understood as fixedly connected or detachably connected or integrally connected; it can be directly connected or connected through an intermediate medium, and those skilled in the art can understand the connection relationship and can derive that the screw connection or riveting or welding or clamping or embedding and the like are replaced with appropriate ways in different embodiments.

[0019] The orientation words such as up, down, left, right, top, bottom and the like described in the specification and shown in the drawings, the components can be directly contacted or contacted through other features between them; such as above can be directly above and obliquely above, or it only means higher than others; other orientations can be similarly understood.

[0020] The manufacturing material of the component with the solid shape shown in the specification and the drawings can adopt metal material or non-metal material or other synthetic material; the machining process adopted by the component with the solid shape can be punching, forging, casting, wire cutting, laser cutting, injection molding, numerical milling, three-dimensional printing, machining and the like; the person skilled in the art can adaptively select or combine selection according to different processing conditions, cost and precision, but is not limited to the above-mentioned materials and manufacturing processes.

[0021] The utility model discloses an ink cartridge inside and outside pressure balance's ink adding device, refer to Figures 1-2 Including fixed frame 1, be provided with ink adding device 2 on fixed frame 1, be connected with the ink adding pipe 4 of ink cartridge 3 ink adding hole cooperation on ink adding device 2, be connected with dust cover 5 on ink adding pipe 4, be provided with elastic structure between dust cover 5 and ink adding pipe 4, be provided with air hole 6 on the side portion of dust cover 5, dust cover 5 is covered ink adding hole under the action of elastic structure.

[0022] Further, the fixed frame 1 is provided with a fixing plate 7 for fixing and limiting the ink adding pipe 4.

[0023] Further, the elastic structure includes a positioning table 81 provided on the ink adding pipe 4, and an elastic member 82 is arranged around the ink adding pipe 4, one end of the elastic member 82 is connected to the positioning table 81, and the other end is connected to the dust cover 5.

[0024] Further, the positioning table 81 is provided with a protrusion 811, and the ink adding pipe 4 is provided with a clamping groove 41 matched with the protrusion 811.

[0025] Further, the elastic member 82 is a spring.

[0026] Further, the fixing plate 7 is of an L-shaped structure.

[0027] The working principle of the utility model is:

[0028] As an embodiment 1, the assembled ink adding device is as shown in Figure 1As shown, in the ink adding process, the dust cover 5 is arranged on the ink cartridge 3 and covers the ink adding hole of the ink cartridge 3, and the end of the ink adding pipe 4 extends into the ink adding hole of the ink cartridge 3, and there is still a gap between the ink adding pipe 4 and the ink adding hole, so that the air in the ink cartridge 3 can also escape from the gap in the process of adding ink into the ink cartridge 3, thereby keeping the pressure balance between the inside and outside of the ink cartridge 3. In order to prevent dust and other impurities from falling into the ink cartridge 3 through the gap, the dust cover 5 is arranged on the ink adding pipe 4, and the dust cover 5 has a blocking effect on dust in the ink adding process, which can reduce the dust entering the ink adding hole. On this basis, the dust cover 5 is provided with the air hole 6, that is, when the ink is added into the ink cartridge 3, the air in the ink cartridge 3 will first stay in the space surrounded by the dust cover 5 and the ink cartridge 3, and then be discharged through the air hole 6 on the dust cover 5, thereby effectively ensuring the pressure balance between the inside and outside of the ink cartridge 3.

[0029] On the basis of the above basic scheme, since the heights of different ink cartridges 3 are different, the elastic structure is arranged on the ink adding pipe 4, and the dust cover 5 is connected to the elastic structure, and the dust cover 5 can move up and down under the action of the elastic structure according to the height of the ink cartridge 3, and finally the dust cover 5 is arranged on the ink cartridge 3, which is more suitable for a wider range. As an embodiment 1, the elastic structure can be arranged as a spring arranged around the ink adding pipe 4, and the positioning table 81 is arranged on the ink adding pipe 4, one end of the spring is connected to the positioning table 81, and the other end is connected to the dust cover 5. In order to prevent the ink adding pipe 4 from moving during the ink adding process, the protrusion 811 is arranged on the positioning table 81, and the clamping groove matched with the protrusion 811 is arranged on the ink adding pipe 4. On this basis, the fixing plate 7 for fixing the ink adding pipe 4 is further arranged on the fixing frame 1, one end of the ink adding pipe 4 penetrates through the fixing plate 7, and the fixing plate 7 has a fixing effect on the ink adding pipe 4, and the fixing plate 7 is arranged as an L-shaped structure.

[0030] In order to prevent dust and other impurities from entering the ink cartridge 3 and polluting the ink, the dust cover 5 is connected to the ink adding pipe 4, which can block part of the dust from entering the ink cartridge 3, and on this basis, the elastic structure is further arranged on the ink adding pipe 4, and the dust cover 5 can adapt to the ink adding work of different height ink cartridges 3 under the action of the elastic structure, which is convenient for popularization and application.

[0031] Although the present application is described in detail with reference to the above embodiments, it is obvious to those skilled in the art that various changes or modifications can be made to the present application without departing from the principles and spirit of the application defined in the claims, and therefore the detailed description of the embodiments of the present application is only used for explanation, not for limitation of the present application, and the protection scope is defined by the content of the claims.

Claims

1. An ink cartridge inner and outer pressure balance ink adding device, characterized by, The utility model relates to a fixing frame (1) is provided with ink adding device (2) on it, ink adding device (2) is connected with the ink adding pipe (4) that cooperates with ink box (3) ink adding hole, the dust cover (5) is connected on the ink adding pipe (4), the dust cover (5) and the elastic structure are arranged between the ink adding pipe (4), the dust cover (5) is provided with air hole (6) on the side, the dust cover (5) is covered the ink adding hole under the action of elastic structure.

2. The ink balance device inside and outside the ink cartridge according to claim 1, characterized in that, The fixing frame (1) is provided with a fixing plate (7) for fixing and limiting the ink adding pipe (4).

3. The ink balance device inside and outside the ink cartridge according to claim 1, characterized in that, The elastic structure includes a positioning table (81) arranged on the ink adding pipe (4), and an elastic member (82) arranged around the ink adding pipe (4), one end of the elastic member (82) is connected to the positioning table (81), and the other end is connected to the dust cover (5).

4. The ink balance device inside and outside the ink cartridge according to claim 3, characterized in that, The positioning table (81) is provided with a protrusion (811), and the ink adding pipe (4) is provided with a clamping groove (41) matched with the protrusion (811).

5. The ink level balancing device according to claim 3, wherein The elastic member (82) is a spring.

6. The ink level balancing device inside and outside the ink cartridge according to claim 2, characterized in that, The fixing plate (7) is an L-shaped structure.