Ink bag capable of preventing backflow, preventing ink leakage and reducing pressure

Abstract

The utility model discloses an ink bag capable of preventing backflow, ink leakage and pressure reduction, which comprises an ink bag, the inner wall of the ink bag is fixedly connected with an isolation plate, the front side and the rear side of the outer surface of the isolation plate are respectively provided with a first cavity and a second cavity, and the front surface of the isolation plate is fixedly connected with a flow guide fixing plate. A communicating groove is formed in the flow guide fixing plate, a limiting abutting plate is slidably connected to the inner surface of the flow guide fixing plate, the rear surface of the limiting abutting plate abuts against a limiting column, the limiting column is fixedly connected with the front surface of an isolation plate, and four flow guide grooves are formed in the limiting column; and the flow guide grooves are communicated with the front surfaces of the limiting columns. A limiting abutting plate can be pushed by a movable limiting column along with pressure to adjust the size of a communication groove, backflow is prevented, backflow resistance is increased through multiple structures, ink leakage is prevented, the limiting abutting plate is matched with a flow guide fixing plate, an isolation film is arranged at a shifting plate, an ink outlet is provided with a reinforcing rib, parts are stably connected, and ink leakage is avoided.

Description

TECHNICAL FIELD

[0001] The utility model relates to ink bag technical field, especially a kind of ink bag of anti-reflux leak-proof ink pressure reduction. BACKGROUND

[0002] Early ink bag type ink-jet printer ink bag capacity is small, ink price is high, printing cost is high, to solve this problem, manufacturer launches large capacity ink bag, but cost reduction is limited, so there is continuous supply system, by transforming printer to realize printing cost greatly reduced, but there is printing effect is poor, stability declines, manufacturer does not provide maintenance guarantee etc., later epson will continuous supply system original factory, launch ink bin type printer, adopt ink bag, ink supply pipeline and large capacity ink supply mode, effectively reduce single printing cost.

[0003] When printer moves or is inclined, without anti-reflux and leak-proof ink design, ink can flow back to ink head from ink bag, even overflow to printer internal, when printing normally, printer relies on accurate pressure control to make ink be ejected with uniform ink drop size, lack of pressure reduction and anti-reflux design, ink bag pressure is susceptible to external factors and fluctuates, lead to ink drop size ejected from ink head is not same, make printed text or image edge blurred, line thickness uneven, reduce printing quality. SUMMARY

[0004] The utility model aims at providing a kind of ink bag of anti-reflux leak-proof ink pressure reduction, by movable limiting post, pressure is pushed and limiting abutment plate are adjusted to adjust the size of communication groove, prevent backflow, multiple structures increase backflow resistance, in terms of leak-proof ink, limiting abutment plate is adapted with flow guide fixed plate, there is insulating film at dialing plate, there is reinforcing rib at ink outlet, component connection is stable to avoid ink leakage, when pressure reduction, movable limiting post act when pressure is high, expand ink outlet passage and reduce pressure, flow guide groove disperses pressure, so that internal pressure is more balanced, guarantee ink stable supply.

[0005] To achieve the above object, provide a kind of ink bag of anti-reflux leak-proof ink pressure reduction, including: ink bag, the inner wall of the ink bag is fixedly connected with insulating plate, the outer surface of the insulating plate is provided with first cavity and second cavity respectively on front and back, the front surface of the insulating plate is fixedly connected with flow guide fixed plate, the inside of the flow guide fixed plate is provided with communication groove, the inside surface of the flow guide fixed plate is slidably connected with limiting abutment plate, the rear surface of the limiting abutment plate is abutted with limiting post, and limiting post and the front surface of insulating plate are fixedly connected, the inside of the limiting post is provided with four flow guide grooves, and the flow guide grooves are all communicated with the front surface of limiting post, the inside of the limiting post is slidably connected with movable limiting post, the rear surface of the movable limiting post is fixedly connected with movable column, and movable column extends to the back of insulating plate, the rear surface of the movable column is fixedly connected with dialing plate. Each component cooperates to build ink flow control structure, effectively prevent backflow, leak-proof ink and balance internal pressure.

[0006] According to the ink sac capable of preventing backflow, leakage and pressure reduction, the inside of the communication groove and the inside of the first cavity are communicated, and the rear surface of the movable limiting column and the limiting abutting plate abut. The communication between the communication groove and the cavity ensures the flow of ink, and the movable limiting column abutting the limiting abutting plate facilitates accurate flow regulation and backflow prevention.

[0007] According to the ink sac capable of preventing backflow, leakage and pressure reduction, the inside of the movable column and the isolation plate are slidably connected, and the second cavity is located in the inside of the second cavity. The movable column and the isolation plate are slidably connected to achieve flexible adjustment, and the second cavity is located in the inside of the second cavity to facilitate operation and control.

[0008] According to the ink sac capable of preventing backflow, leakage and pressure reduction, the rear surface of the movable plate and the isolation plate abut, and the front surface of the movable limiting column and the isolation plate abut. The abutment between the movable plate and the isolation plate ensures stable operation, and the abutment between the movable limiting column and the isolation plate enhances the reliability of adjustment.

[0009] According to the ink sac capable of preventing backflow, leakage and pressure reduction, the size of the limiting abutting plate and the size of the flow guide fixed plate are matched, and the communication groove and the limiting abutting plate are matched. The size matching ensures smooth sliding of the limiting abutting plate, and accurate control of the opening of the communication groove prevents backflow and ink leakage.

[0010] According to the ink sac capable of preventing backflow, leakage and pressure reduction, the lower surface of the ink sac is provided with a first ink outlet and a second ink outlet, the inside of the first ink outlet is communicated with the inside of the first cavity, the upper surface of the second ink outlet is provided with an isolation reinforcing rib, the inside of the second ink outlet is communicated with the inside of the second cavity, the upper surface of the ink sac is fixedly connected with a fixed column, and the fixed column extends into the inside of the first cavity. The inside of the fixed column is provided with two ink inlets, and the inside of each of the two ink inlets is communicated with the upper and lower surfaces of the fixed column. The inside of one of the two ink inlets is communicated with the inside of the flow guide fixed plate. The design of multiple ink outlets meets the flow demand of ink, the reinforcing rib prevents leakage, and the communication between the ink inlets and the flow guide plate facilitates regulation and control.

[0011] According to the ink sac capable of preventing backflow, leakage and pressure reduction, the front surface of the limiting abutting plate is provided with a clamping block, the rear surface of the clamping block is clamped with the ink sac, the rear surface of the movable plate is provided with an isolation film, and the rear surface of the isolation film is fixedly connected with the rear surface of the ink sac. The clamping block fixes the limiting abutting plate to enhance stability, the isolation film prevents ink leakage, and the ink sac is normally used.

[0012] The above-mentioned scheme has the beneficial effects of:

[0013] The utility model discloses a guide fixed plate, spacing abutting plate, spacing column, insulating board, movable spacing column, movable column, dialing board, intercommunication groove and guide groove are set, and through movable spacing column, spacing abutting plate can be adjusted intercommunication groove size with pressure, prevent backflow, and multiple structure increases backflow resistance, and in terms of ink leakage prevention, spacing abutting plate and guide fixed plate are adapted, there is insulating film at dialing board, and reinforcing rib is provided at ink outlet, and component connection is stable to avoid ink leakage, when reducing pressure, movable spacing column moves when pressure is high, expands ink outlet channel and reduces pressure, and guide groove disperses pressure, makes internal pressure more balanced, guarantees ink stable supply.

[0014] The additional aspects and advantages of the utility model will be partly given in the following description, and some will become obvious from the following description or be understood through the practice of the utility model. BRIEF DESCRIPTION OF DRAWINGS

[0015] The utility model will be further explained below in combination with drawings and examples;

[0016] Figure 1 It is the perspective view of the utility model of a kind of ink sac of anti backflow ink leakage pressure reduction prevention;

[0017] Figure 2 It is the top view of the utility model of a kind of ink sac of anti backflow ink leakage pressure reduction prevention;

[0018] Figure 3 It is the sectional perspective view of the utility model of a kind of ink sac of anti backflow ink leakage pressure reduction prevention;

[0019] Figure 4 It is the utility model Figure 3 Structure enlarged view in A place.

[0020] Legend:

[0021] 1, ink sac;2, clamping block;3, first ink outlet;4, insulating film;5, fixed column;6, ink inlet;7, second ink outlet;8, insulating reinforcing rib;9, intercommunication groove;10, dialing board;11, movable column;12, guide fixed plate;13, first cavity;14, second cavity;15, spacing abutting plate;16, spacing column;17, guide groove;18, movable spacing column;19, insulating board. DETAILED DESCRIPTION

[0022] This part will describe the specific embodiment of the utility model in detail, and the preferred embodiment of the utility model is shown in the drawings, and the effect of the drawings is to supplement the description of the text part with graphics, so that people can intuitively and visually understand each technical feature and overall technical scheme of the utility model, but it cannot be understood as the limitation of the protection scope of the utility model.

[0023] Reference Figures 1-4The utility model discloses an ink sac of preventing backflow, preventing ink leakage and reducing pressure, which comprises an ink sac 1, an inner wall of the ink sac 1 is fixedly connected with an isolation plate 19, the ink sac 1 provides a stable mounting position for the isolation plate 19, so that the isolation plate 19 can play a role in separating and guiding ink in the ink sac 1, and orderly flow of ink in different cavities is ensured, first and second cavities 13 and 14 are arranged on the front and back sides of the outer surface of the isolation plate 19 respectively, the isolation plate 19 effectively separates the ink sac 1 into two independent cavities, mutual interference of ink in the two cavities is avoided, and independent space is provided for different ink discharge paths, the front surface of the isolation plate 19 is fixedly connected with a flow guide fixed plate 12, the isolation plate 19 provides support and fixation for the flow guide fixed plate 12, so that the flow guide fixed plate 12 can stably be near the first cavity 13, and it is ensured that the communication groove 9 in the flow guide fixed plate 12 can accurately guide the flow of ink, the communication groove 9 is arranged in the flow guide fixed plate 12 and serves as a channel for ink flowing from the first cavity 13 to other parts, so that the ink can flow along the designed path, and the flow guide fixed plate 12 realizes directional guidance of the ink in cooperation with the communication groove 9, the inner surface of the flow guide fixed plate 12 is slidably connected with a limiting abutting plate 15, the flow guide fixed plate 12 provides a sliding track for the limiting abutting plate 15, sliding of the limiting abutting plate 15 in the flow guide fixed plate 12 can control the flow of ink through the communication groove 9, and the limiting abutting plate 15 plays a role in regulating and controlling the flow of ink, the rear surface of the limiting abutting plate 15 abuts against a limiting column 16, the limiting column 16 provides a limiting action for the limiting abutting plate 15, prevents excessive sliding of the limiting abutting plate 15, ensures that the limiting abutting plate 15 controls the flow of ink at a proper position, maintains the stability of the flow of ink, the limiting column 16 is fixedly connected with the front surface of the isolation plate 19, the isolation plate 19 provides a fixed basis for the limiting column 16, so that the limiting column 16 can accurately limit the limiting abutting plate 15, and the stability of the whole ink control structure is ensured, four flow guide grooves 17 are arranged in the limiting column 16 and are in communication with the front surface of the limiting column 16, the flow guide grooves 17 provide more flow paths for the ink, increase the flow and efficiency of the ink passing through the front of the limiting column 16, and the limiting column 16 is slidably connected with a movable limiting column 18 in the whole ink flow system, the limiting column 16 provides a sliding space for the movable limiting column 18, sliding of the movable limiting column 18 in the limiting column 16 can further regulate the flow of ink, and the movable limiting column 18 and the limiting abutting plate 15 together realize fine control of the flow of ink, the rear surface of the movable limiting column 18 is fixedly connected with a movable column 11, the movable column 11 extends to the back of the isolation plate 19, the movable limiting column 18 is connected with a pushing plate 10 at the back through the movable column 11, so that movement of the movable limiting column 18 can be controlled externally, manual adjustment of the flow of ink is realized, and the rear surface of the movable column 11 is fixedly connected with the pushing plate 10, the pushing plate 10 serves as a manually operated component, moves the movable limiting column 18 through the movable column 11, and thus changes the flow state of the ink.Convenient for users to adjust the supply of ink according to actual needs.

[0024] The inside of the communication groove 9 and the inside of the first cavity 13 are communicated, the communication groove 9 guides the ink in the first cavity 13 out, so that the ink can smoothly enter the subsequent flow path, realize the ink flow of the first cavity 13 and other components, the movable limiting column 18 and the rear surface of the limiting abutting plate 15 abut, the movement of the movable limiting column 18 can push the limiting abutting plate 15 to slide in the flow guide fixed plate 12, so as to change the opening size of the communication groove 9, accurately control the flow of the ink, the inside of the movable column 11 and the isolation plate 19 is slidably connected, the isolation plate 19 provides a sliding channel for the movable column 11, ensures that the movable column 11 can stably drive the movable limiting column 18 to move, at the same time, the isolation plate 19 also plays a certain sealing effect, prevents the ink from leaking, the actuating plate 10 is located in the inside of the second cavity 14, the position design of the actuating plate 10 in the second cavity 14 is convenient for users to operate, and will not interfere with the ink flow of the first cavity 13, at the same time, also utilizes the space of the second cavity 14, the rear surface of the actuating plate 10 and the isolation plate 19 abut, the abutting relationship ensures the stability of the actuating plate 10 in the operation process, prevents it from shaking and affecting the normal work of the movable limiting column 18 and the limiting abutting plate 15, the front surface of the movable limiting column 18 and the isolation plate 19 abut, the abutting of the movable limiting column 18 and the isolation plate 19 can further limit the sliding range, ensures that it adjusts the ink flow in the appropriate position, improves the accuracy of ink control, the size of the limiting abutting plate 15 and the size of the flow guide fixed plate 12 are matched, the matching relationship ensures that the limiting abutting plate 15 can smoothly slide in the flow guide fixed plate 12, at the same time, can effectively control the opening size of the communication groove 9, realizes the accurate adjustment of the ink flow.

[0025] The communication groove 9 and the limiting abutting plate 15 are matched, and the matching enables the limiting abutting plate 15 to accurately control the ink flow of the communication groove 9, adjust the ink supply according to different needs, ensure the normal use of the ink sac, and the lower surface of the ink sac 1 is provided with a first ink outlet 3 and a second ink outlet 7, the ink sac 1 provides ink sources for the two ink outlets, the first ink outlet 3 and the second ink outlet 7 respectively output the ink in the first cavity 13 and the second cavity 14, meet different use needs, the inside of the first ink outlet 3 and the inside of the first cavity 13 are communicated, and the communication relationship enables the ink in the first cavity 13 to flow out of the first ink outlet 3 smoothly, provides ink for writing or printing, the upper surface of the second ink outlet 7 is provided with an isolation reinforcing rib 8, the isolation reinforcing rib 8 enhances the connection strength between the second ink outlet 7 and the ink sac 1, and also plays a certain isolation role, prevents ink from leaking around the second ink outlet 7, the inside of the second ink outlet 7 and the inside of the second cavity 14 are communicated, the second ink outlet 7 outputs the ink in the second cavity 14, cooperates with the first ink outlet 3, and provides diversified ink supply for different use scenarios, the upper surface of the ink sac 1 is fixedly connected with a fixed column 5, and the fixed column 5 extends to the inside of the first cavity 13, the ink sac 1 provides a fixed position for the fixed column 5, the fixed column 5 extends to the inside of the first cavity 13, provides a stable mounting position for the ink inlet 6, and ensures that the ink can smoothly enter the first cavity 13.

[0026] Two ink inlets 6 are arranged in the inside of the fixed column 5, and the insides of the two ink inlets 6 are communicated with the upper and lower surfaces of the fixed column 5, the ink inlet 6 provides a channel for the ink to enter the ink sac, so that the ink can be supplemented from the outside to the first cavity 13, and the normal use of the ink sac is maintained, the inside of one of the two ink inlets 6 is communicated with the inside of the flow guide fixed plate 12, the communication relationship enables the ink to directly enter the flow guide fixed plate 12 from the ink inlet 6, and then flows through the communication groove 9 and other components, so that the ink supply path is optimized, the front surface of the limiting abutting plate 15 abuts against the clamping block 2, the rear surface of the clamping block 2 is clamped with the ink sac 1, the clamping block 2 further limits the limiting abutting plate 15, prevents the limiting abutting plate 15 from sliding accidentally, and guarantees the stability of the whole structure by being clamped with the ink sac 1, the rear surface of the driving plate 10 abuts against the isolation film 4, and the isolation film 4 is fixedly connected with the rear surface of the ink sac 1, the isolation film 4 plays a role of isolation and protection, prevents the ink from leaking from the position where the driving plate 10 is located, and also avoids that foreign matters in the outside enter the inside of the ink sac and affect the quality of the ink.

[0027] Working principle: the inside of the ink sac 1 is divided into the first cavity 13 and the second cavity 14 by the isolation plate 19, which provides independent space for different ink flow paths and avoids mutual interference of inks, laying the foundation for preventing backflow, the inks are injected into the ink sac from the ink inlet 6 on the fixed column 5, one of the ink inlets 6 is communicated with the flow guide fixed plate 12, so that the inks can flow directly into the flow guide fixed plate 12, the flow guide fixed plate 12 is internally provided with a communication groove 9 communicated with the first cavity 13, so that the inks can enter the first cavity 13 in an orderly manner, the limiting abutting plate 15 is slidable in the flow guide fixed plate 12, the size of the limiting abutting plate 15 is adapted to the flow guide fixed plate 12 and the communication groove 9, the rear surface of the limiting abutting plate 15 abuts against the limiting column 16, the limiting column 16 is fixed on the isolation plate 19, the limiting column 16 is internally provided with the flow guide groove 17 communicated with the front surface, the movable limiting column 18 is slidably connected in the limiting column 16, the movable limiting column 18 is connected with the actuating plate 10 through the movable column 11, when the internal pressure of the ink sac is normal, the components remain relatively stable, the inks can normally flow from the first cavity 13 to the first ink outlet 3 through the communication groove 9 and the flow guide groove 17, if the situation that may cause backflow occurs, such as external pressure change or vibration, the movable limiting column 18 will move slightly due to pressure change, since the movable limiting column 18 abuts against the limiting abutting plate 15, it will push the limiting abutting plate 15 to slide in the flow guide fixed plate 12, so as to reduce the opening size of the communication groove 9, the adjusting effect can effectively prevent the inks from flowing back to the ink inlet channel, so as to ensure that the inks can only flow towards the ink outlet, the second cavity 14 discharges inks through the second ink outlet 7, the isolation reinforcing rib 8 on the second ink outlet 7 enhances the connection strength and also plays a certain blocking effect, preventing the inks from flowing back from the second ink outlet 7, the actuating plate 10 is located in the second cavity 14, the rear surface thereof abuts against the isolation film 4 fixed on the rear surface of the ink sac 1, further preventing the inks from leaking and flowing back from the position where the actuating plate 10 is located, the clamping block 2 abuts against the front surface of the limiting abutting plate 15 and is clamped with the ink sac 1, so as to ensure the stability of the limiting abutting plate 15 and prevent it from affecting the backflow prevention effect due to accidental shaking, the close cooperation and interaction between the components enable the ink sac to self-adjust according to the internal pressure and external conditions, effectively preventing the inks from flowing back.

[0028] The embodiments of the utility model are described in detail above combined with the drawings, but the utility model is not limited to the above-mentioned embodiments, within the knowledge range of ordinary skilled in the art, various changes can be made without departing from the purpose of the utility model.

Claims

1. A backflow-preventable, leakage-preventable, pressure-reducing ink capsule, comprising: The ink sac (1), the inner wall of the ink sac (1) is fixedly connected with an isolation plate (19), the outer surface of the isolation plate (19) is provided with a first cavity (13) and a second cavity (14) on the front and back sides respectively, characterized in that: the front surface of the isolation plate (19) is fixedly connected with a flow guide fixed plate (12), the inside of the flow guide fixed plate (12) is provided with a communication groove (9), the inner surface of the flow guide fixed plate (12) is slidably connected with a limiting abutting plate (15), the rear surface of the limiting abutting plate (15) abuts against a limiting column (16), and the limiting column (16) and the front surface of the isolation plate (19) are fixedly connected, the inside of the limiting column (16) is provided with four flow guide grooves (17), and the flow guide grooves (17) are all in communication with the front surface of the limiting column (16), the inside of the limiting column (16) is slidably connected with a movable limiting column (18), the rear surface of the movable limiting column (18) is fixedly connected with a movable column (11), and the movable column (11) extends to the back of the isolation plate (19), the rear surface of the movable column (11) is fixedly connected with a pushing plate (10).

2. The backflow-preventable, leakage-preventable, pressure-reducing ink bladder according to claim 1, characterized in that: The inside of the communication groove (9) is in communication with the inside of the first cavity (13), and the rear surface of the movable limiting column (18) abuts against the limiting abutting plate (15).

3. The backflow-preventable, leakage-preventable, pressure-reducing ink capsule according to claim 1, characterized in that: The movable column (11) is slidably connected with the inside of the isolation plate (19), and the pushing plate (10) is located in the inside of the second cavity (14).

4. The backflow-preventable, leakage-preventable, pressure-reducing ink capsule according to claim 1, characterized in that: The pushing plate (10) abuts against the rear surface of the isolation plate (19), and the movable limiting column (18) abuts against the front surface of the isolation plate (19).

5. The backflow-preventable, leakage-preventable, pressure-reducing ink capsule according to claim 1, characterized in that: The limiting abutting plate (15) is matched in size with the flow guide fixed plate (12), and the communication groove (9) is matched with the limiting abutting plate (15).

6. The backflow-preventable, leakage-preventable, pressure-reducing ink capsule according to claim 1, characterized in that: The lower surface of the ink sac (1) is provided with a first ink outlet (3) and a second ink outlet (7), the inside of the first ink outlet (3) is in communication with the inside of the first cavity (13), the upper surface of the second ink outlet (7) is provided with an isolation reinforcing rib (8), the inside of the second ink outlet (7) is in communication with the inside of the second cavity (14), the upper surface of the ink sac (1) is fixedly connected with a fixed column (5), and the fixed column (5) extends to the inside of the first cavity (13), the inside of the fixed column (5) is provided with two ink inlets (6), the insides of the two ink inlets (6) are all in communication with the upper and lower surfaces of the fixed column (5), and the inside of one of the two ink inlets (6) is in communication with the inside of the flow guide fixed plate (12).

7. The backflow-preventable, leakage-preventable, pressure-reducing ink capsule according to claim 1, characterized in that: The front surface of the limiting abutting plate (15) abuts against a clamping block (2), the rear surface of the clamping block (2) is clamped with the ink sac (1), the rear surface of the pushing plate (10) abuts against an isolation film (4), and the isolation film (4) is fixedly connected with the rear surface of the ink sac (1).

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