Ink box with air passage structure

Abstract

The utility model discloses an ink box with an air passage structure, and aims to provide the ink box with the air passage structure, which is good in ink leakage prevention effect. The ink cartridge comprises an ink cartridge body, the ink cartridge body is provided with an ink outlet, an ink cavity is arranged in the ink cartridge body, an air channel structure in a circuitous path is arranged in the ink cavity, the air channel structure is located at the upper end, the lower end, the left end and the right end in the ink cavity, and the air channel structure comprises an ink blocking cavity. A plurality of storage cavities sequentially communicate with the interior of the ink blocking cavity, the storage cavities are sequentially arranged in a staggered mode in the direction from the left end to the right end of the ink cavity, the inner side of each storage cavity communicates with the inner side of the adjacent and staggered storage cavity, and the storage cavities communicate with one another to form a first air channel; the tail end of the first air channel is communicated with the outside of the ink box body. The ink box is applied to the technical field of ink boxes.

Description

Technical Field

[0001] The utility model relates to an ink cartridge, in particular to an ink cartridge with an airway structure. Background Art

[0002] At present, ink leakage may occur inside the ink cartridge due to changes in external environment such as temperature and air pressure. Therefore, an airway structure needs to be provided in the ink cartridge to prevent ink leakage. However, when the ink cartridge is placed in different directions such as upward, downward, left or right, there is no guarantee that the airway structure can function and ink leakage may still occur, resulting in poor ink leakage prevention effect. Utility Model Content

[0003] The technical problem to be solved by the utility model is to overcome the deficiencies of the prior art and provide an ink cartridge with an airway structure having a good ink leakage prevention effect.

[0004] The technical solution adopted by the utility model is: the utility model includes an ink cartridge body, the ink cartridge body has an ink outlet, an ink cavity is arranged in the ink cartridge body, an airway structure in a circuitous passage is arranged in the ink cavity, the airway structure is located at the upper and lower ends and the left and right ends of the ink cavity, the airway structure includes an ink blocking chamber, a plurality of storage chambers are sequentially connected in the ink blocking chamber, the plurality of storage chambers are sequentially staggered and arranged in a direction from the left end to the right end of the ink cavity, the inner side of each storage chamber is connected to the inner side of the adjacent and staggered storage chamber, the plurality of storage chambers are connected to form a first airway, and the end of the first airway is connected to the outside of the ink cartridge body.

[0005] Furthermore, the airway structure also includes a second airway and a third airway, and the second airway, the third airway and the first airway are connected in sequence.

[0006] Furthermore, the second air channel is located at the upper left end of the ink chamber, the third air channel is located at the lower right end of the ink chamber, and the first air channel is located at the upper right end of the ink chamber.

[0007] Furthermore, an ink reflux storage chamber is provided in the third air channel.

[0008] Furthermore, an air outlet is formed at the upper end of the ink cartridge body, and the end of the first air channel is connected to the air outlet.

[0009] Furthermore, the inner side of each storage cavity is connected to the inner side of the adjacent and offset storage cavity through a columnar channel.

[0010] Furthermore, the distances between both ends of the columnar channel and the inner wall of the storage cavity are both 1 mm.

[0011] Furthermore, a middle partition is also provided in the ink blocking chamber, the length direction of the middle partition is parallel to the direction from the left end to the right end of the ink chamber, a plurality of the storage chambers are staggeredly arranged at the front and rear ends of the middle partition, and the columnar channel runs through the front and rear ends of the middle partition.

[0012] Furthermore, the ink cartridge body includes an ink cartridge shell, a first side membrane is provided at the front end of the ink cartridge shell, a second side membrane is provided at the rear end of the ink cartridge shell, a tail mark membrane is provided on the air outlet, the ink outlet is located at the left end of the ink cartridge shell and is provided with a mouth membrane.

[0013] The beneficial effects of the utility model are:

[0014] Compared with the shortcomings of the prior art, the ink cartridge of the present invention can ensure that the airway structure is always located at a high position and above the ink liquid level when placed in different directions, thereby preventing the ink from flowing back and leaking ink, making the present invention have the advantage of good anti-leakage effect. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] In order to more clearly illustrate the embodiments of the utility model or the technical solutions in the prior art, the drawings required for use in the embodiments or the description of the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the utility model. For ordinary technicians in this field, other drawings can be obtained based on the structures shown in these drawings without paying creative work.

[0016] Figure 1 The three-dimensional structure of the ink cartridge body of the utility model is shown in FIG. Figure 1 ;

[0017] Figure 2 The three-dimensional structure of the ink cartridge body of the utility model is shown in FIG. Figure 2 ;

[0018] Figure 3 It is a schematic diagram of the gas flow direction of the airway structure of the utility model;

[0019] Figure 4 yes Figure 3 A-A section view;

[0020] Figure 5 It is a three-dimensional structural schematic diagram of the ink cartridge housing and the first side membrane of the utility model;

[0021] Figure 6 It is a three-dimensional structural schematic diagram of the ink cartridge housing and the second side membrane of the utility model.

[0022] The reference numerals are as follows:

[0023] 1. Ink cartridge body; 2. Ink outlet; 3. Ink cavity; 5. Ink blocking chamber; 6. Storage cavity; 7. First air channel; 8. Second air channel; 9. Third air channel; 10. Ink reflux storage cavity; 11. Air outlet; 12. Columnar channel; 13. Middle partition; 15. Ink cartridge body; 16. First side membrane; 17. Second side membrane; 18. Tail label membrane; 19. Mouth membrane.

[0024] The realization of the purpose, functional features and advantages of the utility model will be further explained in conjunction with embodiments and with reference to the accompanying drawings. DETAILED DESCRIPTION

[0025] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments of the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0026] It should be noted that all directional indications in the embodiments of the present invention, such as up, down, left, right, front, back, clockwise, counterclockwise, etc., are only used to explain the relative position relationship, movement status, etc. between the components in a certain specific posture. If the specific posture changes, the directional indication will also change accordingly.

[0027] In addition, the descriptions of "first", "second", etc. in the present utility model are only used for descriptive purposes and cannot be understood as indicating or implying their relative importance or implicitly indicating the number of the indicated technical features. Therefore, the features defined as "first" and "second" may explicitly or implicitly include at least one of the features. In addition, the technical solutions between the various embodiments can be combined with each other, but they must be based on the ability of ordinary technicians in this field to implement them. When the combination of technical solutions is contradictory or cannot be implemented, it should be deemed that such a combination of technical solutions does not exist and is not within the scope of protection required by the present utility model.

[0028] like Figures 1 to 4As shown, in this embodiment, the utility model includes an ink cartridge body 1, the ink cartridge body 1 has an ink outlet 2, an ink chamber 3 is provided in the ink cartridge body 1, an airway structure in a circuitous passage is provided in the ink chamber 3, the airway structure is located at the upper and lower ends and the left and right ends of the ink chamber 3, the airway structure includes an ink blocking chamber 5, a plurality of storage chambers 6 are sequentially connected in the ink blocking chamber 5, the plurality of storage chambers 6 are sequentially staggered and arranged in sequence from the left end to the right end of the ink chamber 3, the inner side of each storage chamber 6 is connected to the inner side of the adjacent and staggered storage chamber 6, the plurality of storage chambers 6 are connected to form a first airway 7, the end of the first airway 7 is connected to the outside of the ink cartridge body 1.

[0029] It should be noted that if Figure 3 and Figure 4 As shown in the schematic diagram of gas flow direction of the airway structure, each storage cavity 6 is arranged one after the other with respect to the adjacent and offset storage cavity 6, so that the multiple storage cavities 6 can form an offset space switching blocking structure to have a cyclic switching function; wherein, the number of storage cavities 6 in this embodiment is five, three storage cavities 6 are offset on one side and close to the front end of the ink cavity 3, and the other two storage cavities 6 are offset on the other side and close to the rear end of the ink cavity 3, therefore, when the front end of the ink cartridge body 1 is placed upward, the position of the storage cavity 6 offset on one side can be located at a high position, so as to be higher than the ink liquid level in the ink cavity 3; similarly, when the rear end of the ink cartridge body 1 is placed upward, the position of the storage cavity 6 offset on the other side can be located at a high position and higher than the ink liquid level in the ink cavity 3, thereby realizing the blocking switching of the ink.

[0030] With respect to the deficiencies of the prior art, in the present invention, since the airway structure in a circuitous passage passes through the upper and lower ends and the left and right ends of the ink chamber 3, when the upper end, lower end, left end or right end of the ink cartridge body 1 is placed upward, the airway structure can be ensured to be in a high position, thereby being higher than the ink liquid level in the ink chamber 3, thereby preventing the ink from flowing back to avoid ink leakage; moreover, since the airway structure includes a plurality of storage chambers 6 arranged in a staggered manner and the inner side of each storage chamber 6 is connected to the inner side of the adjacent and staggered storage chambers 6, when the front end or the rear end of the ink cartridge body 1 is placed upward, the airway structure can be ensured to be in a high position, thereby being higher than the ink liquid level in the ink chamber 3, thereby preventing the ink from flowing back to avoid ink leakage. Therefore, when the ink cartridge of the present invention is placed in different directions, the airway structure can be ensured to be always in a high position and higher than the ink liquid level, thereby preventing the ink from flowing back to avoid ink leakage, so that the present invention has the advantage of good anti-leakage effect.

[0031] In some embodiments, the air channel structure further includes a second air channel 8 and a third air channel 9, wherein the second air channel 8, the third air channel 9 and the first air channel 7 are connected in sequence; the second air channel 8 is located at the upper left end of the ink chamber 3, the third air channel 9 is located at the lower right end of the ink chamber 3, and the first air channel 7 is located at the upper right end of the ink chamber 3. Specifically, Figure 3 to Figure 4 The gas flow diagram of the airway structure is shown, and M shown in the figure is the initial point of ink reflux; in addition, through the arrangement of the second airway 8, the third airway 9 and the first airway 7, the airway structure can be ensured to be in a high position when the upper end, lower end, left end or right end of the ink cartridge body 1 is placed upward.

[0032] In some embodiments, an ink reflux storage chamber 10 is provided in the third air channel 9. Specifically, when the ink in the ink chamber 3 enters the third air channel 9 from the second air channel 8, the ink reflux storage chamber 10 can store the ink.

[0033] In some embodiments, an air outlet 11 is formed at the upper end of the ink cartridge body 1 , and a terminal end of the first air channel 7 is connected to the air outlet 11 .

[0034] In some embodiments, the inner side of each storage cavity 6 is connected to the inner side of the adjacent and misaligned storage cavity 6 through the columnar channel 12; the distance between the two ends of the columnar channel 12 and the inner wall of the storage cavity 6 is 1 mm. Specifically, each storage cavity 6 is connected to the adjacent and misaligned storage cavity 6 through the columnar channel 12, and the distance between the two ends of the columnar channel 12 and the inner wall of the storage cavity 6 is 1 mm, so as to block the ink, while allowing the air to pass through.

[0035] In some embodiments, a middle partition 13 is further provided in the ink blocking chamber 5, the length direction of the middle partition 13 is parallel to the direction from the left end to the right end of the ink chamber 3, the plurality of storage chambers 6 are staggeredly arranged at the front and rear ends of the middle partition 13, and the columnar channel 12 runs through the front and rear ends of the middle partition 13.

[0036] like Figures 5 and 6 As shown, in some embodiments, the ink cartridge body 1 includes an ink cartridge housing 15, a first side film 16 is provided at the front end of the ink cartridge housing 15, a second side film 17 is provided at the rear end of the ink cartridge housing 15, a tail film 18 is provided on the air outlet 11, and the ink outlet 2 is located at the left end of the ink cartridge housing 15 and is provided with a mouth film 19. Specifically, the first side film 16, the second side film 17, the tail film 18 and the mouth film 19 are sealed on the ink cartridge housing 15 to form a sealed ink container.

[0037] The above description is only a preferred embodiment of the present invention, and does not limit the patent scope of the present invention. All equivalent structural changes made by using the contents of the present invention specification and drawings under the inventive concept of the present invention, or directly / indirectly applied in other related technical fields are included in the patent protection scope of the present invention.

Claims

1. An ink cartridge with an airway structure, characterized in that: The ink cartridge body (1) comprises an ink cartridge body (1), wherein the ink cartridge body (1) has an ink outlet (2), an ink chamber (3) is arranged in the ink cartridge body (1), an air passage structure in the form of a circuitous passage is arranged in the ink chamber (3), the air passage structure is located at the upper and lower ends and the left and right ends of the ink chamber (3), the air passage structure comprises an ink blocking chamber (5), a plurality of storage chambers (6) are sequentially connected in the ink blocking chamber (5), the plurality of storage chambers (6) are sequentially staggered and arranged in a direction from the left end to the right end of the ink chamber (3), the inner side of each storage chamber (6) is connected to the inner side of an adjacent and staggered storage chamber (6), the plurality of storage chambers (6) are connected to form a first air passage (7), the ends of the first air passage (7) are connected to the outside of the ink cartridge body (1).

2. The ink cartridge with an airway structure according to claim 1, characterized in that: The airway structure further comprises a second airway (8) and a third airway (9), and the second airway (8), the third airway (9) and the first airway (7) are connected in sequence.

3. The ink cartridge with an airway structure according to claim 2, characterized in that: The second air channel (8) is located at the upper left end of the ink chamber (3), the third air channel (9) is located at the lower right end of the ink chamber (3), and the first air channel (7) is located at the upper right end of the ink chamber (3).

4. The ink cartridge with an airway structure according to claim 3, characterized in that: An ink reflux storage chamber (10) is provided in the third air channel (9).

5. An ink cartridge with an airway structure according to any one of claims 1 to 4, characterized in that: An air outlet (11) is provided at the upper end of the ink cartridge body (1), and the end of the first air channel (7) is connected to the air outlet (11).

6. The ink cartridge with an airway structure according to claim 1, characterized in that: The inner side of each storage cavity (6) is connected to the inner side of an adjacent and offset storage cavity (6) through a columnar channel (12).

7. The ink cartridge with an airway structure according to claim 6, characterized in that: The distances between the two ends of the columnar channel (12) and the inner wall of the storage cavity (6) are both 1 mm.

8. An ink cartridge with an airway structure according to claim 6 or 7, characterized in that: The ink blocking chamber (5) is also provided with a middle partition (13), the length direction of the middle partition (13) is parallel to the direction from the left end to the right end of the ink chamber (3), the plurality of storage chambers (6) are staggeredly arranged at the front and rear ends of the middle partition (13), and the columnar channel (12) runs through the front and rear ends of the middle partition (13).

9. The ink cartridge with an airway structure according to claim 5, characterized in that: The ink cartridge body (1) comprises an ink cartridge shell (15), a first side membrane (16) is arranged at the front end of the ink cartridge shell (15), a second side membrane (17) is arranged at the rear end of the ink cartridge shell (15), a tail mark membrane (18) is arranged on the air outlet (11), and the ink outlet (2) is located at the left end of the ink cartridge shell (15) and is provided with a mouth membrane (19).

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