WO2012019393A1

WO2012019393A1 - Negative-pressure filling apparatus for ink cartridge

Info

Publication number: WO2012019393A1
Application number: PCT/CN2010/078947
Authority: WO
Inventors: 钦雷; 陈伟健
Original assignee: 珠海纳思达企业管理有限公司
Priority date: 2010-08-12
Filing date: 2010-11-22
Publication date: 2012-02-16
Also published as: CN201784252U; JP3166084U

Abstract

A negative-pressure filling apparatus (1) for refilling ink into an ink cartridge (15) includes: an ink container (2) for storing ink to be filled; an ink filling passage (3) for feeding ink to the ink cartridge, one end of the ink filling passage (3) being an inlet end (32) through which ink in the ink container (2) is filled into the ink filling passage (3), and the other end of it being an outlet end (31) that is connected with the ink cartridge; a suction passage (4) communicated with the ink container so as to suction air from the ink container and provided with a suction port (41) connected with a suction device (12); and an ink-cartridge positioning device for positioning the ink cartridge at the filling apparatus in such a manner that the outlet end of the ink cartridge is disposed upstream in an ink-flowing gravity direction of the ink cartridge. This apparatus may solve technical problems that it is not easy to fill up the ink cartridge and a great number of air bubbles are left in the ink cartridge when the existing negative-pressure filling apparatus is used to fill the ink cartridge.

Description

Negative pressure type ink cartridge filling device

The utility model mainly relates to a negative pressure type ink cartridge filling device.

BACKGROUND OF THE INVENTION An inkjet printer generally prints by providing an ink source from an ink cartridge for containing ink, transporting ink to a recording head via a corresponding ink flow path, and setting ink from the recording head under the driving of a printing signal. The nozzle is ejected onto a recording medium such as paper to complete the recording of characters or figures. According to the configuration relationship between the recording head and the ink cartridge, the inkjet printer cartridge includes two types: an integrated ink cartridge and a split ink cartridge. The recording head of the integrated ink cartridge is combined with the ink storage chamber, and the recording head is disposed on the ink outlet of the ink cartridge; the recording head of the split ink cartridge is separated from the ink storage chamber, and the ink storage chamber only contains ink, and the recording head is Set on the word car of the inkjet printer. Since the recording head of the integrated ink cartridge is easily damaged, and the price of the recording head is high, more and more users select the split type ink cartridge. At present, a split type ink cartridge is commonly used in the market, and has the following structure: The ink cartridge includes a negative pressure chamber and an ink chamber, and the two chambers are connected by a communication port, and the negative pressure chamber is provided with a capillary force for maintaining The sponge of the ink and the ink outlet connected to the ink supply needle of the printer, and an ink inlet is provided in the ink chamber. Obviously, if the split type ink cartridge is directly discarded after the ink is exhausted, most of the components such as plastics and films cannot be naturally degraded, which is likely to cause waste of resources and environmental pollution. To this end, a preferred method is: secondary ink filling of the ink-depleted ink cartridge to obtain a secondary use value.

Chinese patent CN200910109293. 6 proposes a vacuum ink filling device: the filling device comprises an ink storage container for storing filling ink, an ink supply tube for conveying ink to the ink cartridge to be filled, and a suction above the ink container. a passage and an ink cartridge fixing member for fixing the ink cartridge to be filled, wherein the suction passage is directly connected to the ink container, and is connected to the aspirator to suck the air in the ink container.

The filling process of the above-mentioned split type ink cartridge by using the above-mentioned negative pressure ink filling device is: the ink cartridge to be filled is matched with the fixing member to be fixed on the filling device, and at this time, the ink outlet of the ink cartridge is connected with the ink supply tube, and is stored. Forming a closed space between the ink container and the ink cartridge; then, connecting the aspirator to the suction passage to suck the air in the ink storage container and the ink cartridge; then, releasing the aspirator, the ink cartridge is automatically balanced by the air pressure at this time The ink in the ink storage container is absorbed, that is, the ink enters the negative pressure chamber through the ink supply tube, and then enters the ink chamber through the communication port.

However, in the above filling process, since the capacity of the aspirator is limited, in order to fill the ink cartridge with ink, the aspirator must perform a plurality of suctions. In the above injection process, the ink first enters the negative pressure chamber and then enters the ink chamber through the communication port, so when the aspirator sucks the air multiple times, it is easy to extract the ink that has been injected into the ink chamber, and then The ink in the ink chamber is not easily filled, and a large amount of air bubbles remain, causing poor printing when the ink cartridge is filled and printed. Utility model content

The utility model provides a negative pressure type ink cartridge filling device to solve the existing negative pressure type ink cartridge filling The technical problem that the device ink cartridge is not easily filled and a large amount of air bubbles remain.

In order to solve the above technical problems, the utility model adopts the following technical solutions:

A negative pressure type ink cartridge filling device is configured to refill ink to be filled with an ink cartridge, and the negative pressure type ink cartridge filling device comprises:

An ink container for storing the filling ink;

An ink injection passage for conveying ink to the ink cartridge, one end of which is an ink inlet of the ink container into an inlet end of the ink injection passage, and the other end is an outlet end connected to the ink cartridge; a suction passage that communicates with the container to draw air of the ink container, and is provided with a suction port connected to the aspirator;

The method further includes an ink cartridge positioning mechanism for positioning the ink cartridge in an upstream direction of the ink flow direction of the ink cartridge of the ink cartridge, the ink cartridge positioning mechanism and the ink Container connection.

The outlet end is connected to the ink outlet of the ink cartridge to be filled.

The outlet end is connected to the ink filling port of the ink cartridge to be filled.

A card slot is disposed on one side of the ink cartridge positioning mechanism.

The ink container is integrally formed with the ink cartridge positioning mechanism or integrally formed by welding or snapping.

Further included is an upper cover coupled to the ink cartridge positioning mechanism, and the upper cover is further provided with a sealing portion for sealingly fixing the ink cartridge in the ink cartridge filling device.

One end of the upper cover is hinged with one end of the ink cartridge positioning mechanism, and the other end is provided with a buckle that cooperates with the card slot. The outlet end is provided with a sealing mechanism for sealing. The sealing machine is composed of a tight ring, a rubber plug and a sleeve. The sealing ring is provided with a recess, and the rubber plug cooperates with the concave portion. The sleeve cooperates with the rubber stopper.

The suction port is provided with a self-closing sealing ring for sealing.

After the above technical solution is adopted, since the ink cartridge positioning mechanism fixes the ink cartridge in the form of the outlet end located upstream of the ink flowing in the gravity direction of the ink cartridge, the ink cartridge is not only easy to fill, but also does not leave a large amount of air, thereby solving the existing negative The technical problem that the ink cartridge filling device cartridge is not easily filled and a large amount of air bubbles remain. DRAWINGS

1 is a schematic structural view of an ink cartridge to be filled in the first embodiment and the second embodiment of the present invention; FIG. 2a is a side view of the ink cartridge filling device according to the embodiment of the present invention;

3 is a schematic exploded view of the structure of the ink cartridge filling device according to the embodiment of the present invention; FIG. 4a is a schematic view of the ink cartridge filling device after loading the ink cartridge filling device according to the embodiment of the present invention;

Figure 4c is a schematic view of the ink cartridge filling device when it is filled with a pumping state;

Figure 4d is a schematic view of the ink filling state of the ink cartridge filling device;

Figure 4e is a schematic view of the ink cartridge filling device in a state after the ink is injected;

5 is a schematic view of the ink cartridge filling device and the ink cartridge according to the second embodiment of the present invention; FIG. 6 is a schematic view showing the filling of the ink cartridge filling device according to the second embodiment of the present invention. Symbol Description: 1, 100 ink cartridge filling device, 2 ink containers, 3, 300 ink filling channels, 31, 3001 outlet end, 32, 3002 inlet end, 4, 400 suction channel, 41, 4001 suction port, 5 cartridge positioning Mechanism, 51 ribs, 52 card slots, 6 top cover, 61 sealing parts, 611 protruding parts, 612 silicone sleeve, 62 snaps, 7 seals, 8 rubber stoppers, 9 sleeves, 10 self-closing seals, 11 handles Department, 12 aspirator, 121 barrel, 122 handle, 123 piston, 124 piston rod, 13, 14 non-slip mat, 15 ink cartridge, 151 negative pressure chamber, 1511 absorber, 152 ink chamber, 153 partition, 1531 communication port , 154 ink outlet, 155 ink inlet, 156 air inlet, 157 cotton core, 158 movable rod, 159 first joint, 160 second joint. detailed description

In order to make the objects, technical solutions and advantages of the embodiments of the present invention more clearly, the technical solutions in the embodiments of the present invention will be clearly and completely described in conjunction with the drawings in the embodiments of the present invention. The embodiments are part of the embodiments of the invention, and not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those skilled in the art without creative efforts are within the scope of the present invention.

The main technical solution of the utility model is that the ink cartridge locating mechanism of the negative pressure type ink cartridge filling device positions the ink cartridge in the form of the upstream end of the ink injection flow direction of the ink injection passage of the ink injection passage, so that it is difficult to be sucked many times. The ink that has been injected is taken out to ensure that the ink cartridge is fully filled, and that there is not excessive air remaining in the ink cartridge, so that the ink cartridge after filling is printed well.

The technical solution of the present invention is further detailed by the following figures and specific embodiments. Description.

Embodiment 1:

Fig. 1 is a schematic view showing the structure of the ink cartridge 15 to be filled in the embodiment. As shown in FIG. 1, the inside of the ink cartridge 15 is divided into a negative pressure chamber 151 and an ink chamber 152 by a partition plate 153, and the two are connected to each other through a communication port 1531 located below the partition plate 153, so that the ink chamber 152 is apart from the communication port 1531. Basically a closed space is formed. Wherein, the negative pressure chamber 151 includes an absorbing member 1511 for holding ink, and the absorbing member is mostly made of a porous material, such as a sponge body 1511, and a recording head for the printer is provided on the bottom wall of the negative pressure chamber 151. An ink supply port 154 for supplying ink, and a gas guide port 156 for conveying the outside atmosphere to the ink cartridge 15 are provided on the top wall of the negative pressure chamber 151. Therefore, as the ink in the negative pressure chamber 151 is consumed for recording, the ink in the ink chamber 152 enters the negative pressure chamber 151 through the communication port 1531, and the air in the negative pressure chamber 151 also enters through the communication port 1531. In the ink chamber 152, that is, the ink in the ink chamber 152 and the air in the negative pressure chamber 151 are exchanged through the communication port 1531. Moreover, as the air in the negative pressure chamber 151 and the ink in the ink chamber 152 are constantly exchanged, the external atmosphere can be replenished into the negative pressure chamber 151 through the above-described air guide port 156.

In addition, the ink outlet 154 is also provided with a cotton core 157 having a density higher than that of the sponge body 1511 in the negative pressure chamber 151 for guiding the ink to flow to the ink outlet 154 when the ink cartridge 15 is used for printing; The ink cartridge 15 is further provided with an ink filling port 155 which is located above the ink chamber 152 and is normally sealed by a steel ball after the first filling of the ink to prevent the ink cartridge 15 from leaking during transportation or use. At the same time, the ink cartridge 15 is further provided with a prism for detecting the remaining amount of ink of the ink chamber 152, which is located on the bottom wall of the ink chamber 152. The process of detecting the ink remaining amount by using a prism is a mature technology in the art, and will not be described herein. As shown in FIG. 1, the ink cartridge 15 is further provided with a first engaging portion 159. The movable lever member 158 and the second engaging portion 160 are adapted to cooperate with the corresponding structure of the printer when the ink cartridge 15 is loaded into the printer to secure the ink cartridge 15 in the printer.

2a, 2b and 3 are schematic views showing the structure of the ink container filling device 1 of the present embodiment. As shown in FIG. 3, the ink cartridge filling device 1 includes: an ink container 2 storing ink filled in the ink cartridge 15 to be filled; and an ink filling passage 3 for conveying ink in the ink container 2 to the ink cartridge 15, including An outlet end 31 connected to the ink outlet 154 of the ink cartridge 15 and an inlet end 32 for guiding ink from the ink container 2 into the channel; a suction passage 4 communicating with the ink container 2, and a suction port 41 for The air in the ink container 2 and the ink cartridge 15 is sucked during filling to form a negative pressure in the ink container 2 and the ink container 15; the aspirator 12 is connected to the suction port 41 of the suction passage 4 to suck air, which The cylinder 121, the piston 123, the piston rod 124 and the handle 122 are formed, wherein the piston rod 124 and the piston 123 are fixed together, and the piston 123 can move up and down in the barrel 121 to suck or discharge air; 5, for positioning the ink cartridge 15 in the filling device 1, on one of the side walls is provided with a card slot 52, which can be integrated with the ink container 2 by a snap connection or by welding. In the present embodiment, preferably, it is integrally molded with the ink container 2 by injection molding, and as shown in FIG. 3, in order to better define the position of the ink cartridge 15 therein, the inner side of the positioning mechanism 5 is further provided with a portion. The rib 51; the upper cover 6, one end of which is connected to the ink cartridge positioning mechanism 5 by a hinge, that is, the upper cover 6 can be rotated around the ink cartridge positioning mechanism 5 by a certain angle, and the other end is provided with a buckle 62, which can be disposed in the ink cartridge The corresponding card slots 52 on the side walls of the positioning mechanism 5 are engaged with each other such that when the ink cartridge 15 is loaded into the ink cartridge positioning mechanism 5, the upper cover 6 can be fixed in the ink cartridge filling device 1.

In addition, a sealing portion 61 is further disposed on the upper cover 6 to fix the ink cartridge 15 in a sealed manner. Charge device 1. among them. The sealing portion 61 is composed of a protruding portion 611 and a silicone sleeve 612. The protruding portion 611 is disposed inside the upper cover 6 and corresponds to the air guiding port 156 on the ink cartridge 15; the silicone sleeve 612 is made of an elastic material, and The protruding portion 611 is sized to surround the protruding portion 611; for this reason, when the upper cover 6 is rotated to fix the ink cartridge 15, the sealing portion 61 can seal the air guiding port 156 to prevent external air from entering, so that the ink cartridge 15 is discharged. The mouth 154 is substantially a closed space outside the connection with the ink container 2. Specifically, at this time, the ink cartridge filling device 1 and the ink cartridge 15 form a closed space. It can also be said that the above-mentioned sealing portion 61 also has a restricting action on the ink cartridge 15 so as not to move upward, and to ensure that the ink cartridge 15 is sufficiently fixed in the ink cartridge filling device 1.

As shown in FIG. 4a, at the time of filling, the outlet end 31 of the ink filling passage 3 is connected to the ink outlet 154 of the ink cartridge 15, and the ink outlet 154 is located above the communication port 1531, and the communication port 1531 is located at the ink injected into the ink cartridge 15. In the direction of gravity, that is, the ink cartridge positioning mechanism 5 positions the ink cartridge 15 in the direction in which the outlet end 31 is located in the direction of gravity of the ink of the ink cartridge 15, so that the ink injected into the ink cartridge 15 is in the direction of gravity and through the communication port under the action of gravity. 1531, preferentially gathered below the ink chamber 152. For this reason, unless the ink chamber 152 is filled, the communication port 1531 is always in communication with the air of the ink chamber 152, and the ink that has been injected into the ink chamber 152 is not extracted when the pumping is performed multiple times, thereby ensuring the ink chamber. 152 is fully filled, that is, to ensure that the ink cartridge 15 is fully filled, and does not remain as shown in FIG. 3. The ink cartridge filling device 1 further includes a sealing mechanism for sealing the outlet end 31 of the ink filling passage 3, in this embodiment. The sealing mechanism is composed of a sealing ring 7, a rubber plug 8 and a sleeve 9. The sealing ring 7 is made of an elastic material such as silica gel, and is provided with a concave portion and a concave portion. A self-closing slit is arranged in the middle, and the sealing ring 7 is matched with the outlet end 31; the rubber plug 8 is composed of an upper part and a lower part, wherein the diameter of the lower part is equivalent to the concave part of the above-mentioned sealing ring 7, and the diameter of the upper part is the same as the sleeve The inner diameter of 9 is equivalent, so that the rubber plug 8 cooperates with the recess of the sealing ring 7, and the sleeve 9 cooperates with the rubber stopper 8. The purpose of the arrangement is to prevent the ink cartridge 15 filling device from being in the process of transportation, such as air transportation, causing ink leakage due to the opening of the self-closing seam of the sealing ring 7 due to the increase of the pressure, that is, after the structure is used, if the sealing ring 7 is used When the self-closing slit is opened, the ink cannot flow out due to the sealing of the rubber stopper 8. The sleeve 9 is made of engineering plastic, and the rubber plug 8 is made of rubber or silica gel because: in order to miniaturize the filling device 1, the space for accommodating the ink cartridge 15 above it is relatively narrow, if only the rubber plug 8 is used. When the recess is sealed, the user needs to extend the hand into the narrow space to take out the rubber plug 8 during use, which is troublesome. To this end, a sleeve 9 is provided, which can be integrated with the rubber plug 8 and the sleeve 9 is The length is longer, slightly smaller than the height of the ink cartridge positioning mechanism 5, and the user only needs to pull out the sleeve 9 to pull out the rubber plug 8 and open the ink filling channel 3, which is simple and convenient.

In addition, in the present embodiment, the suction port 41 of the suction channel 4 is sealed by a self-closing sealing ring 10, which is made of silica gel, has good elasticity, and has a cavity therebetween. And the wall communicating with the suction passage 4 is provided with a self-closing slit running through itself. Usually, the self-closing slit is in a closed state, and when the aspirator 12 is inserted, the self-closing slit is turned on, so that the aspirator 12 and the ink container 2 are in communication. As shown in FIG. 2a, the filling device 1 is further provided with a grip portion 11 for the user to grasp the filling device 1, and the grip portion 11 is formed by a plurality of grooves parallel to the outer wall of the filling device 1, and the grip portion 11 is further It can be used as a connection between adjacent filling devices. At this time, it is only necessary to provide a protrusion matching the shape of the groove on the outside of the other filling device (not shown), so that the user can count the number. Filler connection for loading different color inks Together. As shown in FIG. 2b and FIG. 3, on the upper cover 6 and the ink container 2, the side opposite to the suction passage 4 is provided with anti-slip mats 13 and 14, respectively, which are made of a material having a certain friction or resistance. Make sure that the ink cartridge filling device does not slip easily during filling, which ensures the smooth filling.

In order to allow the user to clearly observe the state of the ink cartridge filling, preferably, in the present embodiment, the ink cartridge filling device 1 is made of a transparent material.

The use of the ink cartridge filling device 1 will be described below with reference to Figs. 3a to 6 .

(1) Place the ink cartridge filling device 1 on a flat surface, pinch the sleeve 9, and pull out the rubber stopper 8;

(2) As shown in FIG. 4a, the ink cartridge 15 is placed on the ink cartridge filling device 1, and at this time, the movable lever member 158, the first engaging portion 159, and the second engaging portion 160 of the ink cartridge 15 are respectively positioned with the ink cartridge of the filling device 1. The mechanism 5 cooperates to position the ink cartridge 15 on the filling device 1, and ensures that the ink outlet 154 of the ink cartridge 15 is connected to the outlet end 31 of the ink injection passage 3, and then the upper cover 6 is rotated to make the buckle 62 thereon When the card slot 52 of the ink cartridge positioning mechanism 5 is correspondingly fastened, the ink cartridge 15 is fixed in the filling device 1. At this time, the communication port 1531 of the ink cartridge 15 is located below the outlet end 31, and the inlet end 32 is close to the bottom of the container 2, the ink cartridge The filling device 1 and the ink cartridge 15 form a closed space;

(3) As shown in FIG. 4b, the pre-prepared aspirator 12 is inserted into the suction port 41 of the suction channel 4 to open the self-closing slit of the self-closing sealing ring 10, the aspirator 12 and the ink container 2 When connected, then grasping the handle 122 of the aspirator 12, pulling the piston rod 124 to move the piston 123 upward, the air in the ink container 2 flows toward the aspirator 12 along the arrow shown in FIG. 4c, and is sealed at this time. The ring 7 is under the pressure difference between the ink container 2 and the ink cartridge 15 The self-closing slit is opened, so that the gas in the ink cartridge 15 also flows to the ink container 2 via the ink-injecting channel 3 in the direction of the arrow shown in the figure, and then flows to the aspirator 12, and a certain negative pressure is formed in the ink container 2 and the ink container 15. ;

(4) As shown in Fig. 4d, the aspirator 12 is released, at which time the piston 123 slowly moves downward under the action of atmospheric pressure, causing the ink in the ink container 2 to be in the direction of the arrow shown, via the ink inlet end. 32. The outlet end 31 and the ink outlet 154 enter the ink cartridge 15. Since the communication port 1531 is located below the ink outlet 154, the effect of gravity in the ink flows into the ink chamber 152 via the communication port 1531, and stays. Below the ink chamber 152;

(5) Pulling the aspirator 12 again for pumping, at this time, as shown by the arrow in Fig. 4e, the air above the ink chamber 152 is evacuated, and then the aspirator 12 is released, and similarly, in the ink container 2 The ink is injected into the ink cartridge 15 and preferentially injected into the ink chamber 152;

(6) The above process is repeated until it is observed that the ink cartridge 15 is filled with ink. At this time, the upper cover 6 is opened, the ink cartridge 15 is removed, and the outlet end is sealed by a conventional rubber stopper or sleeve. The ink cartridge 15 is provided with a chip, and it is also necessary to reset the information inside the chip by using the chip resetter.

It will be understood by those skilled in the art that the negative pressure filling device may be oriented differently during transport or when the user is placed.

Those skilled in the art should understand that the ink cartridge to be filled may also be an ink cartridge without an ink chamber and only a sponge.

In summary, by making the outlet end 31 located upstream of the ink in the gravity direction of the ink cartridge 15, the outlet end 31 is connected to the ink outlet 154 of the ink cartridge 15, that is, the ink cartridge 15 is discharged at the time of filling. The ink port 154 is located above the communication port 1531, so that the ink of the ink cartridge can be easily filled under the gravity of the ink injected into the ink cartridge, and the previously injected ink is not easily extracted when the suction is performed for a plurality of times, and the ink cartridge does not remain in the ink cartridge. Excessive air bubbles prevent the problem of poor printing of the ink cartridge after filling, and fully guarantee the print quality of the filled ink cartridge.

Embodiment 2:

The second embodiment differs from the first embodiment in that, as shown in FIG. 5, the outlet end 3001 of the ink injection passage 300 is connected to the ink filling port 155 of the ink cartridge 15, instead of the ink outlet 154, and the inlet end 3002 is adjacent to the ink container 2. bottom of. Obviously, at this time, the outlet end 3001 is located upstream of the ink flow direction of the ink cartridge 15, that is, the ink filling port 155 is located above the communication port 1531 when the ink cartridge 15 is filled.

Other structures of the ink cartridge filling device 100 are similar to those of the first embodiment, and are not described herein.

The use of the ink cartridge filling device 100 in this embodiment will be briefly described below.

(1) Using the opening tool to remove the steel ball in the ink filling port 155 of the ink cartridge 15, and opening the ink filling port 155, the opening tool is a common technology in the field, and is also a common product on the market, and will not be described here;

(2) The ink cartridge filling device 100 is placed on a flat surface, and the sealing member of the ink filling channel 300 is pulled out. The sealing member can adopt the same structure as that of the first embodiment, and an ordinary rubber plug can also be used. ;

(3) The ink cartridge 15 is placed on the ink cartridge filling device 100 and fixed therein. At this time, the ink filling port 155 of the ink cartridge 15 is connected to the outlet end 3001, and is located above the communication port 1531, and the ink cartridge filling device 1 and The ink cartridge 15 forms a closed space; (4) As shown in FIG. 6, the pre-prepared aspirator 12 is inserted into the suction port 4001 of the suction passage 400, and the piston 123 is pulled upward, and the air in the ink container 2 flows along the arrow shown in the above figure. The aspirator 12, and due to the principle of air pressure balance in the closed space, at this time, the self-closing slit of the sealing ring 7 is opened, and the gas in the ink cartridge 15 also flows to the ink container 2 via the ink injecting passage 300 in the direction of the arrow shown, and then flows to In the aspirator 12, a certain negative pressure is formed in the ink container 2 and the ink cartridge 15;

(5) Then, the aspirator 12 is released, at this time, the piston 123 slowly moves downward under the action of the atmospheric pressure, causing the ink in the ink container 2 to be in the direction of the arrow shown, via the ink injecting channel 300, the ink cartridge The ink filling port 155 enters the ink cartridge 15 and stays below the ink chamber 152;

(6) Pulling the aspirator 12 again to evacuate, the air in the upper portion of the ink chamber 152 is evacuated, and then the aspirator 12 is released, and similarly, the ink in the ink container 2 is injected into the ink cartridge 15, and is preferentially Injected into the ink chamber 152;

(7) The above process is repeated until it is observed that the ink cartridge 15 is filled with ink. At this time, the ink cartridge 15 is removed, the ink filling port is sealed by a rubber plug prepared in advance, and the ink filling passage is sealed by the original sealing member. 300 can be, if the ink cartridge 15 is provided with a chip, it is also necessary to use the chip reset device to reset the information inside the chip.

The above embodiments are only used to explain the technical solutions of the present invention, and it should be noted that those skilled in the art can make some modifications and improvements without departing from the concept of the present invention. Within the scope of protection of the present invention.

Claims

A negative pressure type ink cartridge filling device, configured to refill ink to be filled with an ink cartridge, wherein the negative pressure type ink cartridge filling device comprises:

An ink container for storing the filling ink;

2. The negative pressure ink cartridge filling device according to claim 1, wherein the outlet end is connected to the ink outlet of the ink cartridge to be filled.

3. The negative pressure ink cartridge filling device according to claim 1, wherein the outlet end is connected to the ink filling port of the ink cartridge to be filled.

The negative pressure type ink cartridge filling device according to claim 1 or 2 or 3, wherein the ink cartridge positioning mechanism is provided with a card slot on one side.

The negative pressure type ink cartridge filling device according to claim 4, wherein the ink container and the ink cartridge positioning mechanism are integrally formed or integrally formed by welding or snapping.

The negative pressure type ink cartridge filling device according to claim 5, further comprising an upper cover connected to the ink cartridge positioning mechanism, wherein the upper cover is further provided with the ink cartridge sealedly fixed thereto Description The sealing portion of the ink cartridge filling device.

The negative pressure type ink cartridge filling device according to claim 6, wherein one end of the upper cover is hinged to one end of the ink cartridge positioning mechanism, and the other end is provided with a card matched with the card slot. buckle.

The negative pressure type ink cartridge filling device according to claim 1 or 2 or 3, wherein the outlet end is provided with a sealing mechanism for sealing, the sealing mechanism is composed of a sealing ring, a rubber plug and a sleeve. a sealing portion is disposed in the sealing ring, and the rubber plug cooperates with the concave portion, and the sleeve cooperates with the rubber stopper.

The negative pressure type ink cartridge filling device according to claim 1 or 2 or 3, wherein the suction port is provided with a self-closing sealing ring for sealing.