Ink box

Abstract

The invention discloses an ink box which comprises a shell, the outer side of the shell is provided with a leading-out part and an air inlet, the leading-out part is provided with a first surrounding wall, the first surrounding wall is arranged on the first direction side of the shell in a protruding mode, the air inlet is provided with a second surrounding wall, and the second surrounding wall is arranged on the outer side of the shell in a protruding mode; the sealing film comprises a shaping section, and the shaping section is located between the leading-out part and the air inlet; the reference line is a line segment connecting the near ends of the first enclosure wall and the second enclosure wall in the second direction, the length of the shaping segment is larger than that of the reference line, and at least part of the shaping segment is located on the side, close to the shell, of the reference line. The leading-out part and the air inlet are sealed through the sealing film, the sealing film forms the shaping section which is bent towards one side of the shell and is relatively fixed in shape between the leading-out part and the air inlet, when the ink box sleeve bag is vacuumized, the packaging bag is not prone to making contact with the shaping section after collapsing and deforming, the corresponding acting force is relatively small even if contact occurs, and therefore the ink box sleeve bag can be vacuumized. Therefore, sealing-off of the sealing film, the leading-out part and the welding part of the air inlet is effectively avoided.

Description

Technical Field

[0001] The invention relates to the technical field of printing consumables, in particular to an ink cartridge. Background Art

[0002] There is a type of small-capacity ink cartridge that has an air inlet and a larger outlet, and the air inlet and outlet are usually closed with a detachable protective cover. However, the introduction of the protective cover will increase costs to a certain extent and is not in line with the industry's development direction of reducing plastic. At present, there is a solution that uses a welding process to use a piece of film to simultaneously seal the air inlet and outlet, but in order to facilitate welding, the welding parts of the air inlet and outlet need to be set to a flush state, and the film part between the two needs to be kept straight to avoid bending. The ends of the outlet and air inlet of a specific model of ink cartridge must be set with a height difference. If the same solution is used, the middle section of the film must be bent. In the subsequent bagging and vacuuming process of the ink cartridge, the bent section of the film is prone to collapse and deform with the packaging bag and be desoldered due to external forces. Summary of the invention

[0003] The object of the present invention is to provide an ink cartridge, which provides a protective cover structure for an ink cartridge having a height difference between a lead-out portion and an end portion of an air inlet.

[0004] The present invention provides an ink cartridge, comprising:

[0005] A shell, wherein an ink storage chamber, and a liquid channel and a gas channel communicated with the ink storage chamber are provided in the shell, and a lead-out portion and an air inlet are provided on the outer side of the shell, wherein the lead-out portion is communicated with the liquid channel, and the air inlet is communicated with the gas channel, wherein the lead-out portion has a first surrounding wall, which is convexly arranged on a first direction side of the shell, and the air inlet has a second surrounding wall, which is convexly arranged on the outer side of the shell, and in a second direction, the lead-out portion and the air inlet are spaced apart on the shell, wherein the first direction is a plumb direction, and the second direction is orthogonal to the first direction;

[0006] A closing film, the closing film is used to close the outlet and the air inlet, the closing film includes a shaped section, the shaped section is bent, and the shaped section is located between the outlet and the air inlet, the first surrounding wall is provided with a first welding section matched with the closing film on a side away from the shell, and the second surrounding wall is provided with a second welding section matched with the closing film on a side away from the shell, and in the first direction, the first welding section and the second welding section are located at different positions;

[0007] A reference line, wherein the reference line is a line segment connecting the adjacent ends of the first surrounding wall and the second surrounding wall in the second direction, the length of the shaping segment is greater than the length of the reference line, and the shaping segment is at least partially located on a side of the reference line close to the shell.

[0008] An ink cartridge as described above, wherein preferably, the length of the shaping section is greater than 1.2 times the length of the reference line.

[0009] In the ink cartridge as described above, preferably, the first welding portion includes an inner welding ring rib and an outer welding ring rib, and the inner welding ring rib is located on the inner side of the outer welding ring rib.

[0010] In the ink cartridge as described above, preferably, in the first direction, the inner weld ring rib and the outer weld ring rib have the same size.

[0011] In the ink cartridge as described above, preferably, in the first direction, the size of the inner weld ring rib is different from the size of the outer weld ring rib.

[0012] In the ink cartridge as described above, preferably, in the first direction, the size of the inner weld ring rib is larger than the size of the outer weld ring rib.

[0013] In the ink cartridge as described above, preferably, the first welding portion further includes a gap portion, and the gap portion is located between the inner welding ring rib and the outer welding ring rib.

[0014] In the ink cartridge as described above, preferably, in the second direction, the size of the inner welding ring rib and the outer welding ring rib is 0.5mm-1mm.

[0015] An ink cartridge as described above, wherein preferably, the sealing film has a base layer and a welding layer composed of different resin materials, the melting point of the resin material of the base layer is higher than the melting point of the resin material of the welding layer, and the welding layer and the first welding part and the second welding part are made of the same resin material.

[0016] An ink cartridge as described above, wherein preferably, a protrusion is provided on the shell, the protrusion is provided on the outer wall of the shell on the second direction side, the closing membrane has an upward flip section, the upward flip section has a free end, and the free end is located on the rear side of the protrusion in the first direction.

[0017] In the ink cartridge as described above, preferably, a limiting rib and a pressure control member with a hole are provided in the lead-out portion, and the limiting rib is used to limit the movement of the pressure control member in the first direction.

[0018] In the ink cartridge as described above, preferably, a portion of the first surrounding wall is located on the first direction side of the pressure controlling member.

[0019] Compared with the prior art, the present invention seals the outlet portion and the air inlet by a sealing film, and a shaping section which is bent toward one side of the shell and has a relatively fixed shape is formed between the outlet portion and the air inlet. When the ink cartridge bag is vacuumed, the packaging bag is not easy to contact the shaping section after it collapses and deforms, and even if contact occurs, the corresponding force is relatively small, thereby effectively avoiding desoldering of the welding parts between the closing film and the outlet portion and the air inlet. BRIEF DESCRIPTION OF THE DRAWINGS

[0020] Figure 1 is a three-dimensional diagram of an ink cartridge provided by an embodiment of the present invention;

[0021] Figure 2 is a bottom view of an ink cartridge provided by an embodiment of the present invention;

[0022] Figure 3 is a schematic structural diagram of a sealing membrane provided by an embodiment of the present invention;

[0023] Figure 4 is a three-dimensional diagram of an ink cartridge provided by the first embodiment of the present invention;

[0024] Figure 5 is a cross-sectional view of an ink cartridge provided in Embodiment 1 of the present invention;

[0025] Figure 6 The first welding portion provided in the first embodiment of the present invention is Figure 2 The first type of cross-section in the AA direction;

[0026] Figure 7 The first welding portion provided in the first embodiment of the present invention is Figure 2 The second cross-section in the middle AA direction;

[0027] Figure 8 The first welding portion provided in the first embodiment of the present invention is Figure 2 The third cross-section in the middle AA direction;

[0028] Fig. 9 is a three-dimensional diagram of an ink cartridge provided by a second embodiment of the present invention;

[0029] Fig.10 is a side view of an ink cartridge provided by Embodiment 2 of the present invention;

[0030] Fig.11 yes Fig.10 A magnified view of the part A in the middle;

[0031] Fig.12 is a three-dimensional diagram of an ink cartridge provided by a third embodiment of the present invention;

[0032] Fig.13is a side view of an ink cartridge provided by Embodiment 3 of the present invention;

[0033] Fig.14 is a three-dimensional diagram of a mounting portion provided by a third embodiment of the present invention from a first viewing angle;

[0034] Fig.15 It is a stereoscopic diagram of the mounting portion provided in the third embodiment of the present invention from a second viewing angle.

[0035] Description of reference numerals:

[0036] 100-cartridge;

[0037] 10-shell, 11-ink storage chamber, 12-pressure control member, 13-gas channel, 14-export portion, 141-first surrounding wall, 142-first welding portion, 1421-inner welding ring rib, 1422-outer welding ring rib, 1423-gap portion, 143-limiting convex rib, 15-air inlet, 151-second surrounding wall, 152-second welding portion, 16-convex portion, 17-top cover, 181-first surface, 182-second surface, 1821-prism, 183-third surface, 184-fourth surface, 185-fifth surface, 186-sixth surface, 1861-buckle, 19-chip;

[0038] 20-sealing film, 21-shaping section, 22-base layer, 23-welding layer, 24-upward turning section;

[0039] 30-installation portion, 31-installation bracket, 311-first side wall, 312-second side wall, 313-third side wall, 313-fourth side wall, 315-bottom wall, 32-ink supply tube, 33-card slot, 34-card position through hole, 35-contact needle, 36-rotating clamp, 37-fixing portion, 38-installation position, 381-partition plate, 39-contact needle plate;

[0040] 40-reference line;

[0041] D1-first direction, D2-second direction, D3-third direction. DETAILED DESCRIPTION

[0042] The embodiments described below with reference to the accompanying drawings are exemplary and are only used to explain the present invention, but should not be construed as limiting the present invention.

[0043] Reference Figures 1 to 15 As shown, the present invention provides an ink cartridge 100, comprising a housing 10, a sealing film 20 and a reference line 40, wherein:

[0044] An ink storage chamber 11, a liquid channel (not shown) and a gas channel 13 are provided in the shell body 10. The ink storage chamber 11 is connected with the liquid channel and the gas channel 13 respectively. An outlet portion 14 and an air inlet 15 are provided on the outside of the shell body 10. The outlet portion 14 is connected with the liquid channel. The ink in the ink storage chamber 11 can flow to the outlet portion 14 via the liquid channel. The air inlet 15 is connected with the gas channel 13. External air can enter the ink storage chamber 11 via the air inlet 15 and the gas channel 13 to balance the air pressure inside and outside the shell body 10 so that the ink can flow out from the outlet portion 14.

[0045] Reference Figure 4 as well as Fig.12 As shown, the outlet portion 14 has a first surrounding wall 141, which is protruded on the first direction D1 side of the shell 10, and the first direction D1 is the plumb direction. The air inlet 15 has a second surrounding wall 151, which is protruded on the outside of the shell 10. The outlet portion 14 and the air inlet 15 are spaced apart on the outside of the shell 10 along the second direction D2, and the second direction D2 is orthogonal to the first direction D1. In the embodiment provided in the present application, the second direction D2 is the length direction of the ink cartridge 100, and the outlet portion 14 and the air inlet 15 are spaced apart along the length direction of the ink cartridge 100.

[0046] The closing film 20 is used to close the outlet portion 14 and the air inlet 15. The closing film 20 includes a bent shaping section 21, which is located between the outlet portion 14 and the air inlet 15. A first welding section 142 is provided on the side of the first surrounding wall 141 away from the housing 10. The first welding section 142 can cooperate with the closing film 20 to close the outlet portion 14. A second welding section 152 is provided on the side of the second surrounding wall 151 away from the housing 10. The second welding section 152 can cooperate with the closing film 20 to close the air inlet 15. In the first direction D1, the first welding section 142 and the second welding section 152 are located at different positions, so that there is a space between the outlet portion 14 and the air inlet 15 to form the shaping section 21.

[0047] Reference Fig.11 As shown, the reference line 40 is a line segment connecting the adjacent ends of the first surrounding wall 141 and the second surrounding wall 151 in the second direction D2, and the reference line 40 is a shortest virtual line segment connecting the edges of the first surrounding wall 141 and the second surrounding wall 151. In order to prevent the bending section of the closing film 20 from being desoldered due to the collapse and deformation of the packaging bag when the ink cartridge 100 is subsequently bagged and vacuumed, the length of the shaping section 21 is set to be greater than the length of the reference line 40, and at least part of the shaping section 21 is located on the side of the reference line 40 close to the shell 10, so that the closing film 20 can form a shaping section 21 that bends toward the side of the shell 10 during the welding process.

[0048] In the embodiment provided by the present application, in the first direction D1, the outlet portion 14 protrudes further from the surface of the shell 10 than the air inlet 15, so that there is a height difference between the outlet portion 14 and the air inlet 15. The shaping section 21 is formed when the welding device is close to the closing film 20 and radiates heat to the surrounding area during the welding process of the closing film 20 and the air inlet 15 to guide the closing film 20 between the outlet portion 14 and the air inlet 15 to undergo plastic deformation and bend toward the shell 10. The shape of the bent shaping section 21 is relatively fixed. During the vacuum pumping process of the ink cartridge 100, the collapsed and deformed packaging bag is not easy to contact the shaping section 21. Even if contact occurs, the corresponding force is relatively small, and after being transmitted to the welded parts of the closing film 20 and the outlet portion 14 or the air inlet 15, it is not easy to cause these parts to be desoldered, thereby effectively avoiding the desoldering of the welded parts of the closing film 20 and the outlet portion 14 or the air inlet 15 during the vacuum pumping process of the ink cartridge 100.

[0049] In a feasible implementation manner, the length of the shaping section 21 is greater than 1.2 times the length of the reference line 40. When the length of the shaping section 21 reaches 1.2 times the length of the reference line 40, the shaping section 21 can show an obvious tendency to bend toward one side of the shell 10. When the shaping section 21 bends to fit the surface of the shell 10, it is the limit of the length of the shaping section 21, which is approximately 1.4 times the length of the reference line 40. The closer the length of the shaping section 21 is to the above-mentioned length limit, the less likely the collapsed and deformed packaging bag is to contact the shaping section 21 during the vacuum pumping of the ink cartridge 100, and the less likely it is to cause the welding part between the closing film 20 and the outlet portion 14 or the air inlet 15 to be desoldered. The length of the shaping section 21 can be selected and set according to the specific positional relationship between the outlet portion 14 and the air inlet 15, and is not limited here.

[0050] Reference Figure 7 as well as Figure 8 As shown, the first welding portion 142 has an inner welding ring rib 1421 and an outer welding ring rib 1422. The inner welding ring rib 1421 is located on the inner side of the outer welding ring rib 1422. The inner welding ring rib 1421 and the outer welding ring rib 1422 make the first welding portion 142 have a double welding line structure. When welding the closing film 20, the closing film 20 is welded to the inner welding ring rib 1421 and the outer welding ring rib 1422 respectively, which is beneficial to improve the sealing and connection stability between the closing film 20 and the outlet portion 14. Since the inner weld ring rib 1421 and the outer weld ring rib 1422 are two independent ring ribs on the first surrounding wall 141, a gap portion 1423 is formed between the inner weld ring rib 1421 and the outer weld ring rib 1422. During the welding process, the inner weld ring rib 1421 and the outer weld ring rib 1422 will melt and deform, and the deformed part can enter the gap portion 1423, thereby preventing the melted and deformed resin material from overflowing to the outside of the outer weld ring rib 1422.

[0051] In a feasible implementation mode, referring to Figure 7 As shown, in the first direction D1, the inner welding ring rib 1421 and the outer welding ring rib 1422 have the same size, that is, the inner welding ring rib 1421 and the outer welding ring rib 1422 have the same height. When welding the closed film 20, the inner welding ring rib 1421 and the outer welding ring rib 1422 are melted and deformed at the same time after being heated, and then welded to the closed film 20. The molten resin material enters the gap portion 1423 and is welded to the closed film 20. The weld between the closed film 20 and the first welding portion 142 is wider and has better connection firmness.

[0052] In another possible implementation, referring to Figure 8 As shown, in the first direction D1, the inner welding ring rib 1421 and the outer welding ring rib 1422 have different sizes, that is, there is a height difference between the inner welding ring rib 1421 and the outer welding ring rib 1422. After the closing film 20 is welded with the inner welding ring rib 1421 and the outer welding ring rib 1422 respectively, a good sealing effect can still be achieved. However, due to the height difference between the inner welding ring rib 1421 and the outer welding ring rib 1422, the larger ring rib is melted first and then welded with the closing film 20, and the molten resin material will enter the gap portion 1423 and weld with the closing film 20, and then the smaller ring rib is melted again and welded with the closing film 20, thereby making the weld between the closing film 20 and the first welding portion 142 wider, which is beneficial to improving the connection firmness between the closing film 20 and the first welding portion 142.

[0053] Preferably, in the first direction D1, the size of the inner welding ring rib 1421 is larger than that of the outer welding ring rib 1422, that is, the inner welding ring rib 1421 protrudes more from the shell 10 than the outer welding ring rib 1422. When welding the closing film 20, the inner welding ring rib 1421 is welded to the closing film 20 before the outer welding ring rib 1422. Compared with the outer welding ring rib 1422, the inner welding ring rib 1421 has a larger portion that is melted and deformed, thereby ensuring that the closing film 20 is welded to the first welding ring rib 1421. The connection strength between the joints 142 is improved. After the inner welding ring rib 1421 is melted, it can fill the gap 1423 and be welded to the closing film 20. Then the outer welding ring rib 1422 is welded to the closing film 20. The actual weld width between the first welding part 142 and the closing film 20 is the sum of the width of the inner welding ring rib 1421, the width of the gap 1423 and the width of the outer welding ring rib 1422. The actual weld width is larger, which is beneficial to improving the connection strength between the closing film 20 and the first welding part 142.

[0054] If the size of the inner welding ring rib 1421 is smaller than that of the outer welding ring rib 1422, the outer welding ring rib 1422 is welded to the closed film 20 before the inner welding ring rib 1421, and the melted part of the outer welding ring rib 1422 enters the gap 1423 and is welded to the closed film 20, and finally the inner welding ring rib 1421 is melted and welded to the closed film 20, thereby realizing the welding of the closed film 20 and the first welding part 142. In actual welding, it is preferred that the size of the inner welding ring rib 1421 is larger than that of the outer welding ring rib 1422 in the first direction, which is more conducive to ensuring the sealing of the welding.

[0055] Furthermore, in the second direction D2, the size range of the inner welding ring rib 1421 and the outer welding ring rib 1422 is 0.5mm-1mm. Since the volume of the ink cartridge 100 itself is relatively small, the size of the inner welding ring rib 1421 and the outer welding ring rib 1422 in the length direction of the ink cartridge 100 should not be too large. It is preferred to set the size of the inner welding ring rib 1421 and the outer welding ring rib 1422 between 0.5mm-1mm, so that welding with the closing film 20 can be achieved using a smaller size.

[0056] In other embodiments, the second welding portion 152 may also be provided with a double welding line structure similar to the first welding portion 142 to improve the sealing performance between the sealing film 20 and the air inlet 15 .

[0057] In order to further improve the welding strength between the closing film 20 and the outlet 14 and the air inlet 15, in the embodiment provided in the present application, Figure 3 As shown, the sealing film 20 has a base layer 22 and a welding layer 23 made of different resin materials. The melting point of the resin material of the base layer 22 is higher than that of the resin material of the welding layer 23. The welding layer 23 and the first welding portion 142 and the second welding portion 152 are made of the same resin material. When the sealing film 20 is welded, when the welding temperature reaches the melting point of the resin material of the welding layer 23, the first welding portion 142 and the second welding portion 152 can be welded and fixed to the welding layer 23. The reason for providing the base layer 22 is that, on the one hand, the melting point of the resin material of the base layer 22 is higher than that of the resin material of the welding layer 23. After the welding layer 23 is melt-connected with the first welding portion 142 or the second welding portion 152, the base layer 22 covers the welding portion between the welding layer 23 and the first welding portion 142 or the second welding portion 152 to protect the welding portion. On the other hand, after the closing film 20 is welded and fixed to the first welding part 142 and the second welding part 152 respectively, the closing film 20 still maintains a complete structure under the action of the base layer 22, and when the ink cartridge 100 is assembled to the printing device, the closing film 20 can be easily torn off completely.

[0058] Reference Figure 4As shown, in the embodiment provided by the present application, a protrusion 16 is further provided on the shell 10, and the protrusion 16 is provided on the outer wall of the shell 10 on the side of the second direction D2. The protrusion 16 can be connected to the inside of the printing device to fix the ink cartridge 100. In order to prevent the ink cartridge 100 from being unable to supply ink due to the sealing film 20 not being torn off when the ink cartridge 100 is assembled to the printing device, an upward flip section 24 is provided on the closing film 20. The upward flip section 24 has a free end, and the free end is located on the rear side of the protrusion 16 in the first direction D1. When the ink cartridge 100 is installed, if the sealing film 20 is not torn off, the free end passes over the protrusion 16 and is exposed to the outside, which is convenient for the user to observe.

[0059] Reference Figure 5 As shown, in the embodiment provided by the present application, a receiving cavity is provided in the outlet portion 14 and filled with a pressure control member 12 having pores (specifically, a sponge), and the pressure control member 12 is used to adjust the internal pressure of the housing 10 to ensure the smooth outlet of the ink. However, when the closing film 20 is torn off, the closing film 20 and the housing 10 may move significantly, thereby causing the pressure control member 12 to escape from the outlet portion 14. Therefore, a limiting rib 143 is further provided in the receiving cavity of the outlet portion 14. The limiting rib 143 fixes the pressure control member 12 in the outlet portion 14, thereby limiting the movement of the pressure control member 12 along the first direction D1.

[0060] Reference Figure 6 As shown, the limiting rib 143 is disposed on the side wall of the accommodating cavity of the outlet portion 14 and is located on the first direction D1 side of the pressure-controlling member 12 to fix the top position of the pressure-controlling member 12 on the first direction D1 side, so that when the sealing film 20 is torn off, the pressure-controlling member 12 is not easy to fall out of the outlet portion 14. The limiting rib 143 can be a closed annular rib or a plurality of arc-shaped ribs arranged at intervals.

[0061] Reference Figure 8 As shown, the limiting rib 143 is a rib extending along the first direction D1, which is arranged on the side wall of the accommodating cavity of the outlet portion 14 and abuts against the side of the pressure controlling member 12. The side of the pressure controlling member 12 is squeezed by the limiting rib 143 to produce elastic deformation. The movement of the pressure controlling member 12 relative to the outlet portion 14 along the first direction D1 needs to overcome the large static friction between it and the limiting rib 143. Therefore, when the closing film 20 is torn off, the limiting rib 143 extending along the first direction D1 can also prevent the pressure controlling member 12 from escaping from the outlet portion 14.

[0062] Furthermore, a portion of the first surrounding wall 141 is located on the first direction D1 side of the pressure control member 12. Figure 6 as well as Figure 8As shown, in the first direction D1, the pressure-controlling member 12 is located above the lower edge of the first surrounding wall 141 to prevent the sealing film 20 from contacting the pressure-controlling member 12 and being contaminated by ink, thereby preventing the ink attached to the sealing film 20 from splashing and causing pollution when the sealing film 20 is torn off.

[0063] Several embodiments are listed below to further illustrate the content of the present invention. Those skilled in the art will appreciate that more ink cartridges 100 can be designed according to the following embodiments, and all of them fall within the protection scope of the present invention.

[0064] Embodiment 1

[0065] Reference Figure 4 As shown, the outlet portion 14 and the air inlet 15 are arranged on the first direction D1 side of the shell 10 (the bottom of the shell 10 in the figure), and the first surrounding wall 141 of the outlet portion 14 and the second surrounding wall 151 of the air inlet 15 are both roughly cylindrical. The first surrounding wall 141 protrudes more from the bottom of the shell 10 than the second surrounding wall 151, so that a height difference is formed between the outlet portion 14 and the air inlet 15. After the continuous closing film 20 closes the outlet portion 14 and the air inlet 15, a shaping section 21 bent toward one side of the shell 10 is formed between the outlet portion 14 and the air inlet 15. When the ink cartridge 100 is bagged and vacuumed, the shaping section 21 is not easy to contact with the collapsed packaging bag, and even if contact occurs, the force applied is small, which can avoid the situation where the closing film 20 and the outlet portion 14 and the air inlet 15 are desoldered.

[0066] Reference Figures 6 to 8 As shown, there are several layout situations of the inner welding ring rib 1421 and the outer welding ring rib 1422 of the first welding portion 142 in the first direction D1. Figure 6 As shown in the figure, only the inner welding ring rib 1421 is provided, and when the closing film 20 is welded, it is only connected to the inner welding ring rib 1421. Figure 7 As shown in the figure, the inner welding ring rib 1421 and the outer welding ring rib 1422 have the same size, and a gap portion 1423 is formed between the inner welding ring rib 1421 and the outer welding ring rib 1422. When welding the closing film 20, the closing film 20 is welded and fixed to the inner welding ring rib 1421 and the outer welding ring rib 1422 at the same time. Figure 8 As shown in the figure, the size of the inner welding ring rib 1421 is larger than that of the outer welding ring rib 1422, that is, in the first direction D1, the inner welding ring rib 1421 protrudes further from the bottom of the shell 10 than the outer welding ring rib 1422, and a gap portion 1423 is formed between the inner welding ring rib 1421 and the outer welding ring rib 1422. When welding the closing film 20, after the closing film 20 is welded and fixed to the inner welding ring rib 1421 and the outer welding ring rib 1422 respectively, the outlet portion 14 can be covered, and the sealing performance is better.

[0067] Compared to Figure 6 as well as Figure 7The distribution of the inner weld ring rib 1421 and the outer weld ring rib 1422 is shown in FIG. Figure 8 The layout shown in has better sealing performance. When setting the size of the inner welding ring rib 1421 and the outer welding ring rib 1422, it is preferred to Figure 8 The layout shown in .

[0068] Reference Figure 5 As shown, the housing 10 has an ink storage chamber 11 inside, and the outlet 14 and the chamber connected to the outlet 14 are provided with a pressure control member 12. The pressure control member 12 of the present application is a sponge to prevent ink leakage. The gap inside the sponge constitutes a liquid channel, and the ink in the ink storage chamber 11 can flow out from the outlet 14 through the liquid channel. The housing 10 and the side opposite to the first direction D1 of the housing 10 (i.e., the top cover 17 of the housing 10) are provided with a gas channel 13. The gas channel 13 on the top cover 17 is provided in the form of a groove or a through hole, and the outer side of the top cover 17 is subsequently closed by a welding film to form the gas channel 13 on the top cover 17. The gas channel 13 on the top cover 17 is connected with the ink storage chamber 11, and the outside air enters the housing 10 from the air inlet 15, and then flows to the ink storage chamber 11 through the gas channel 13 on the top cover 17. The pressure inside the housing 10 is adjusted by the flow of gas, so that the ink in the ink storage chamber 11 can flow smoothly to the outlet 14, thereby realizing ink supply to the printing device.

[0069] Embodiment 2

[0070] Reference Figures 9 to 11 As shown, the outlet 14 and the air inlet 15 are arranged on the first direction D1 side of the housing 10 (the bottom of the housing 10 in the figure), the first surrounding wall 141 of the outlet 14 is roughly rectangular, the second surrounding wall 151 of the air inlet 15 is roughly cylindrical, and the second surrounding wall 151 is located on the positive direction side of the third direction D3 of the bottom of the housing 10. There is a height difference between the outlet 14 and the air inlet 15, and after the sealing film 20 is welded, a shaped section 21 bent toward one side of the housing 10 can be formed between the outlet 14 and the air inlet 15.

[0071] The layout of the inner welding ring rib 1421 and the outer welding ring rib 1422 of the first welding portion 142 of this embodiment and the structure of the liquid channel and the gas channel 13 in the shell 10 are the same as those provided in the first embodiment and are not described in detail here.

[0072] Embodiment 3

[0073] Reference Fig.12 as well as Fig.13As shown, the outlet portion 14 and the air inlet 15 are provided on the first direction D1 side of the housing 10. The first surrounding wall 141 is generally rectangular parallelepiped-shaped, and the second surrounding wall 151 is generally cylindrical. Compared with the second surrounding wall 151, the first surrounding wall 141 protrudes more from the bottom of the housing 10, such that there is a height difference between the outlet portion 14 and the air inlet 15. In the second direction D2, the distance between the outlet portion 14 and the air inlet 15 is less than the distance between the outlet portion 14 and the air inlet 15 in the first embodiment. When welding the sealing film 20, the shaping section 21 bends more towards the housing 10, and the effect of preventing the welded part of the sealing film 20 from being detached from the outlet portion 14 or the air inlet 15 is better.

[0074] The layout of the inner welding ring rib 1421 and the outer welding ring rib 1422 of the first welding portion 142 in this embodiment and the structures of the liquid channel and the gas channel 13 in the housing 10 are the same as those provided in the first embodiment, and will not be described herein again.

[0075] The ink cartridge 100 of this embodiment can be installed in the installation portion 30 of the printing device. Referring to Fig.14 and Fig.15 as shown, the installation portion 30 includes an installation bracket 31, an ink supply tube 32, a card slot 33, a detection hole 34, a contact pin 35, a rotary fastener 36, and a fixing portion 37. The contact pin 35 is installed on the contact pin plate 39. The installation portion 30 has a plurality of installation positions 38, and each installation position 38 is used to install the ink cartridge 100. Adjacent installation positions 38 are separated by a partition plate 381, such that the installation portion 30 can install one or more ink cartridges 100. When the installation portion 30 installs a plurality of ink cartridges 100, the plurality of ink cartridges 100 can be a plurality of single colors, such as black, or can be multi-color, such as: black, blue, red, yellow, light blue, light red.

[0076] The installation bracket 31 can be formed by installing a plurality of sub-bracket components. The installation bracket 31 has a first side wall 311, a second side wall 312, a third side wall 313, a fourth side wall 314, a bottom wall 315, and an opening. The first side wall 311 and the second side wall 312 are opposite to each other, the third side wall 313 and the fourth side wall 314 are opposite to each other, and the first side wall 311, the second side wall 312, the third side wall 313, the fourth side wall 314, and the bottom wall 315 are substantially perpendicular, forming a structure approximately in the shape of a "U", and the opening is disposed opposite to the bottom wall 315.

[0077] The bottom wall 315 is provided with a detection hole 34, which is closer to the first side wall 311 than the second side wall 312. The bottom wall 315 is also provided with a snap-fit ​​structure, which is a portion of the bottom wall 315 located around the detection hole 34. It should be pointed out that the detection hole 34 is a detection hole on the mounting portion 30, and the ink cartridge 100 has a prism 1821 corresponding to the detection hole 34. Each ink cartridge 100 corresponds to two detection holes 34. The mounting portion 30 has a light sensor, which emits light through one detection hole 34 and receives light through another detection hole 34. The ink amount of the ink cartridge 100 can be determined by analyzing the emitted and received light.

[0078] The ink cartridge 100 is installed on the mounting portion 30 through the opening. The card slot 33 is provided on the second side wall 312 of the mounting bracket 31, which can be a through hole or a blind hole. The rotating clamp 36 is installed on the upper end of the mounting bracket 31 close to the first side wall 311. The contact pin 35 is provided at one end of the mounting bracket 31 close to the rotating clamp 36, and the contact pin 35 is a part connected to the internal circuit of the inkjet printer. The ink supply tube 32 is provided on the bottom wall 315 of the mounting bracket 31.

[0079] The direction from the opening to the bottom wall 315 is the first direction D1, the length direction of the ink cartridge 100 is the second direction D2, the direction from the first side wall 311 to the second side wall 312 is the positive direction of the second direction D2, the direction from the second side wall 312 to the first side wall 311 is the negative direction of the second direction D2, the width direction of the ink cartridge 100 is the third direction D3, the direction from the third side wall 313 to the fourth side wall 314 is the positive direction of the third direction D3, and the direction from the fourth side wall 314 to the third side wall 313 is the negative direction of the third direction D3, the slot 33 is located on the positive direction side of the second direction D2, and the contact pin 35 and the rotating clamp 36 are located on the negative direction side of the second direction D2.

[0080] The ink cartridge 100 is substantially in the shape of a rectangular parallelepiped and includes a housing 10 having an ink storage chamber 11 and an assembly chamber that are independent of each other. Fig.12 As shown, the housing 10 has six surfaces, namely, a first surface 181, a second surface 182, a third surface 183, a fourth surface 184, a fifth surface 185, and a sixth surface 186. The ink storage cavity 11 stores consumables that allow the inkjet printer to perform a printing task, and the consumables are printed onto a medium by the inkjet printer to complete the printing task.

[0081] When the inkjet printer is in use, the vertical direction is the first direction D1. The direction from the first surface 181 to the second surface 182 is the first direction D1, the direction from the sixth surface 186 to the fifth surface 185 is the positive direction of the second direction D2, and the direction from the fourth surface 184 to the third surface 183 is the positive direction of the third direction D3. The first surface 181 is arranged opposite to the second surface 182, and the second surface 182 is arranged on the first direction D1 side of the first surface 181. The third surface 183 is arranged opposite to the fourth surface 184, and the third surface 183 is on the positive direction side of the third direction D3 of the fourth surface 184; the fifth surface 185 is arranged opposite to the sixth surface 186, and the fifth surface 185 is arranged on the positive direction side of the second direction D2 of the sixth surface 186. The first surface 181 and the second surface 182 intersect with the third surface 183, the fourth surface 184, the fifth surface 185, and the sixth surface 186, respectively. The third surface 183 and the fourth surface 184 intersect with the fifth surface 185 and the sixth surface 186, respectively. It should be noted that, in this embodiment, the intersection of two faces may be the intersection of two faces directly, or the intersection of two extended faces, or the intersection of an extended face of one face with the other face.

[0082] Reference Fig.12 as well as Fig.13 As shown, there is a buckle 1861 on the sixth surface 186 of the shell 10, and the buckle 1861 can be telescopically moved along the second direction D2, and then cooperate with the rotating clamp 36 on the mounting portion 30 (specifically, the connection is achieved by the end of the buckle 1861 being inserted into the groove of the rotating clamp 36) to achieve the installation and removal of the ink cartridge 10 in the mounting portion 30.

[0083] Reference Fig.12 As shown, the protrusion 16 is provided on the fifth surface 185 of the shell 10. The protrusion 16 is used to engage with the slot 33 of the mounting portion 30 when the ink cartridge 100 is installed on the mounting portion 30, so as to limit the end of the ink cartridge 100 close to the positive direction side of the second direction D2 in the second direction D2.

[0084] When installing the ink cartridge 100 , first install the protrusion 16 in the slot 33 , and then connect the buckle 1861 to the rotating clamp 36 , and then the ink cartridge 100 can be installed in the installation position 38 .

[0085] like Fig.12 as well as Fig.13 As shown, the ink cartridge 100 further includes a chip 19. When the ink cartridge 100 is mounted on the mounting portion 30, the ink outlet (the outlet portion 14) is combined with the ink supply tube 32 to transfer the consumables in the ink cartridge 100 to the print head and then print on the medium; the chip 19 is mounted on the housing 10, and the chip 19 can contact the contact pin 35 to realize the transmission of electrical signals between the mounting portion 30 and the ink cartridge 100.

[0086] The installation method of the ink cartridge 100 in Example 1 and Example 2 is similar to that of the present embodiment, that is, the protrusion 16 is first inserted into the slot 33 to achieve the connection and cooperation between the corresponding side of the shell 10 and the mounting portion 30, and then the shell 10 is rotated with the matching part of the protrusion 16 and the slot 33 as a fulcrum to achieve the connection and cooperation between the side of the shell 10 away from the protrusion 16 and the mounting portion 30, which will not be repeated here.

[0087] The above describes in detail the structure, features and effects of the present invention based on the embodiments shown in the drawings. The above is only a preferred embodiment of the present invention, but the present invention is not limited to the scope of implementation shown in the drawings. Any changes made according to the concept of the present invention, or modifications to equivalent embodiments with equivalent changes, which still do not exceed the spirit covered by the description and drawings, should be within the protection scope of the present invention.

Claims

1. An ink cartridge, characterized in that: include: A shell, wherein an ink storage chamber, and a liquid channel and a gas channel communicated with the ink storage chamber are provided in the shell, and a lead-out portion and an air inlet are provided on the outer side of the shell, wherein the lead-out portion is communicated with the liquid channel, and the air inlet is communicated with the gas channel, wherein the lead-out portion has a first surrounding wall, which is convexly arranged on a first direction side of the shell, and the air inlet has a second surrounding wall, which is convexly arranged on the outer side of the shell, and in a second direction, the lead-out portion and the air inlet are spaced apart on the shell, wherein the first direction is a plumb direction, and the second direction is orthogonal to the first direction; A closing film, the closing film is used to close the outlet and the air inlet, the closing film includes a shaped section, the shaped section is bent, and the shaped section is located between the outlet and the air inlet, the first surrounding wall is provided with a first welding section matched with the closing film on a side away from the shell, and the second surrounding wall is provided with a second welding section matched with the closing film on a side away from the shell, and in the first direction, the first welding section and the second welding section are located at different positions; A reference line, wherein the reference line is a line segment connecting the adjacent ends of the first surrounding wall and the second surrounding wall in the second direction, the length of the shaping segment is greater than the length of the reference line, and the shaping segment is at least partially located on a side of the reference line close to the shell.

2. The ink cartridge according to claim 1, characterized in that: The length of the shaping segment is greater than 1.2 times the length of the reference line.

3. The ink cartridge according to claim 1, characterized in that: The first weld portion includes an inner weld ring rib and an outer weld ring rib, and the inner weld ring rib is located inside the outer weld ring rib.

4. The ink cartridge according to claim 3, characterized in that: In the first direction, the inner welding ring rib and the outer welding ring rib have the same size.

5. The ink cartridge according to claim 3, characterized in that: In the first direction, a size of the inner welding ring rib is different from a size of the outer welding ring rib.

6. The ink cartridge according to claim 3, characterized in that: In the first direction, the size of the inner welding ring rib is greater than the size of the outer welding ring rib.

7. The ink cartridge according to claim 3, characterized in that: The first welding portion further includes a gap portion, and the gap portion is located between the inner welding ring rib and the outer welding ring rib.

8. The ink cartridge according to claim 3, characterized in that: In the second direction, the size of the inner welding ring rib and the outer welding ring rib is 0.5mm-1mm.

9. The ink cartridge according to claim 1, characterized in that: The sealing film comprises a base layer and a welding layer made of different resin materials. The melting point of the resin material of the base layer is higher than that of the resin material of the welding layer. The welding layer and the first welding part and the second welding part are made of the same resin material.

10. The ink cartridge according to claim 1, characterized in that: The shell is provided with a protrusion, which is arranged on the outer wall of the shell on the second direction side. The closing film has an upward turning section, which has a free end, and the free end is located at the rear side of the protrusion in the first direction.

11. The ink cartridge according to claim 1, characterized in that: The lead-out portion is provided with a limiting convex rib and a pressure-controlling member with a hole, and the limiting convex rib is used to limit the movement of the pressure-controlling member in the first direction.

12. The ink cartridge according to claim 11, characterized in that: A portion of the first surrounding wall is located on the first direction side of the pressure controlling member.

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