CN110406263B - Ink box regeneration method and regenerated ink box - Google Patents
Ink box regeneration method and regenerated ink box Download PDFInfo
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- CN110406263B CN110406263B CN201910736872.7A CN201910736872A CN110406263B CN 110406263 B CN110406263 B CN 110406263B CN 201910736872 A CN201910736872 A CN 201910736872A CN 110406263 B CN110406263 B CN 110406263B
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
- B41J—TYPEWRITERS; SELECTIVE PRINTING MECHANISMS, i.e. MECHANISMS PRINTING OTHERWISE THAN FROM A FORME; CORRECTION OF TYPOGRAPHICAL ERRORS
- B41J2/00—Typewriters or selective printing mechanisms characterised by the printing or marking process for which they are designed
- B41J2/005—Typewriters or selective printing mechanisms characterised by the printing or marking process for which they are designed characterised by bringing liquid or particles selectively into contact with a printing material
- B41J2/01—Ink jet
- B41J2/17—Ink jet characterised by ink handling
- B41J2/175—Ink supply systems ; Circuit parts therefor
- B41J2/17503—Ink cartridges
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Abstract
The present invention relates to a method for regenerating an ink cartridge detachably mounted in an image forming apparatus provided with an ink suction needle, the ink cartridge including a housing, an ink outlet provided in the housing, and a handle, the ink cartridge communicating with the ink suction needle through the ink outlet, and the method for regenerating the ink cartridge, the method comprising: firstly, cutting off a handle of an ink box; eliminating the urging force which is applied by the ink absorption to the ink box and is opposite to the installation direction of the ink box when the ink box is combined with the imaging equipment; the regeneration method can realize the universal use of the ink boxes with various models and slight differences, thereby reducing the production cost of manufacturers of the regeneration ink boxes.
Description
Technical Field
The invention relates to the field of regeneration of ink boxes, in particular to a regeneration method of an ink box and a regenerated ink box.
Background
In daily life, ink cartridges used in ink jet printers are common liquid exchange devices, and the basic operation process is to suck ink contained in an ink storage chamber through an ink suction needle provided in the ink jet printer and an ink outlet of the ink cartridge, and when the ink in the ink cartridge is reduced, air enters the inside of the ink cartridge through an air inlet under the action of atmospheric pressure to balance the pressure inside and outside the ink cartridge.
Based on the above-mentioned working principle, the ink cartridges can be designed to have various shapes, and in general, in order to distinguish products in different areas, a cartridge designer will name a plurality of ink cartridges that are substantially identical in appearance as different models, so-called different models, which have only a local slight difference.
For ink box regeneration manufacturers, the raw materials produced by the ink box regeneration manufacturers are empty ink boxes recovered from all over the world, so that the number of the empty ink boxes of various models is quite different, and for one model, the ink box regeneration manufacturers must recover the empty ink boxes of the corresponding model in order to complete the predetermined number of the regenerated ink boxes, and the mode is extremely not beneficial to reducing the production cost of the ink box regeneration manufacturers.
Disclosure of Invention
The invention provides a regeneration method of an ink box, which realizes the universality of the ink box by changing the difference part in the ink box with only slight difference, thereby reducing the production cost of ink box regeneration manufacturers.
In order to achieve the purpose, the invention adopts the following technical scheme:
a recycling method of an ink cartridge detachably mountable to an image forming apparatus provided with an ink suction needle, the ink cartridge including a housing, an ink outlet provided in the housing, and a handle protruding from the housing, the ink cartridge communicating with the ink suction needle through the ink outlet, the recycling method comprising:
firstly, cutting off a handle of an ink box;
and step two, eliminating the forced pushing force which is applied to the ink box and is opposite to the installation direction of the ink box when the ink box is combined with the imaging equipment.
As a first embodiment, the ink cartridge before regeneration further includes an ink storage chamber enclosed by the housing, a seal ring for sealing the ink outlet, an ink outlet chamber located between the ink storage chamber and the ink outlet, and a compression spring and a second seal member provided in the ink outlet chamber, the second seal member pressing the seal ring to seal the ink outlet by an urging force applied thereto by the compression spring; in the second step, the compression spring is cancelled, the second sealing element is replaced by a sealing element with higher density, and the replaced sealing element presses the sealing ring to seal the ink outlet by means of self gravity.
As a second embodiment, the regenerated ink cartridge further includes an ink storage chamber enclosed by the housing, a seal ring for sealing the ink outlet, an ink outlet chamber between the ink storage chamber and the ink outlet, and a compression spring and a second seal member disposed in the ink outlet chamber, the second seal member pressing the seal ring by its own weight to seal the ink outlet; in step two, the second seal is located within the inner diameter of the compression spring.
In the second embodiment, the inner diameter of the compression spring in the ink cartridge after regeneration is larger than the inner diameter of the compression spring before regeneration, or the maximum size of the second seal after regeneration is smaller than the maximum size of the second seal before regeneration.
According to the above-described recycling method, the present invention also provides a recycled ink cartridge detachably mountable in an image forming apparatus provided with an ink suction needle, the recycled ink cartridge including a housing, an ink outlet provided in the housing, the recycled ink cartridge communicating with the ink suction needle through the ink outlet, characterized in that the ink suction needle does not apply a forced pushing force to the recycled ink cartridge in a direction opposite to a mounting direction of the recycled ink cartridge when the recycled ink cartridge is combined with the image forming apparatus.
Furthermore, the regeneration ink box also comprises an ink storage cavity formed by enclosing the shell, a sealing ring used for sealing the ink outlet, an ink outlet cavity positioned between the ink storage cavity and the ink outlet and a second sealing element arranged in the ink outlet cavity, wherein the density of the second sealing element is higher than that of the second sealing element before the regeneration of the ink box, and the sealing ring is pressed by the gravity of the second sealing element to seal the ink outlet.
Or, the regeneration ink box also comprises an ink storage cavity formed by enclosing the shell, a sealing ring used for sealing the ink outlet, an ink outlet cavity positioned between the ink storage cavity and the ink outlet, a compression spring arranged in the ink outlet cavity and a second sealing element, wherein the second sealing element is positioned in the inner diameter range of the compression spring and presses the sealing ring to seal the ink outlet by means of self gravity.
When the compression spring is still arranged in the ink outlet cavity of the regeneration ink box, the regeneration ink box further comprises a first sealing element arranged in the ink outlet cavity, the first sealing element and the second sealing element are respectively positioned at two ends of the compression spring, and the density of the first sealing element is smaller than that of the second sealing element.
Further, the maximum dimension of the first seal is greater than the outer diameter of the compression spring.
As described above, by cutting the handle at the slightly different position of each type of ink cartridge and locating the second sealing member in the ink chamber within the inner diameter range of the compression spring, the ink cartridges with only slight difference can be used in common, thereby reducing the production cost of the ink cartridge recycling manufacturer.
Drawings
Fig. 1 and 2 are perspective views of an ink cartridge according to the present invention before regeneration.
Fig. 3 is a perspective view of the ink cartridge according to the present invention with a portion cut away and an ink chamber exposed.
Fig. 4 is an exploded view of a check valve assembly in an ink cartridge according to the present invention.
Fig. 5A is a schematic view showing a state of the check valve assembly when the ink cartridge according to the present invention is not mounted.
Fig. 5B is a schematic view showing the state of the components of the check valve assembly when the ink suction needle is inserted into the ink discharge chamber and no ink is sucked after the ink cartridge according to the present invention is mounted.
Fig. 5C is a schematic view showing the state of the components of the check valve assembly when the ink suction needle starts sucking ink after the ink cartridge according to the present invention is mounted.
Detailed Description
Embodiments of the present invention are described in detail below with reference to the accompanying drawings. As described above, the check valve assembly according to the present invention can be used for controlling the flow of liquid, and particularly, in a device in which liquid and liquid are exchanged, an ink cartridge detachably mounted in an ink jet printer (image forming apparatus) will be described below as an example.
FIGS. 1 and 2 are perspective views of an ink cartridge according to the present invention before recycling; FIG. 3 is a perspective view of an ink cartridge according to the present invention with a portion cut away and an ink chamber exposed; fig. 4 is an exploded view of a check valve assembly in an ink cartridge according to the present invention.
The ink cartridge (liquid cartridge) C includes an ink storage chamber (liquid storage chamber) 10 enclosed by the housing 1, an ink outlet (liquid outlet) 2 provided in the housing 1, and a seal ring 7 installed at the ink outlet (liquid outlet) 2, wherein the ink stored in the ink storage chamber 10 flows out through the ink outlet 2, and the seal ring 7 is used to seal the ink outlet (liquid outlet) 2; further, the ink cartridge C further includes an ink outlet chamber 3 communicating with the ink outlet 2, and the ink in the ink storage chamber 10 first enters the ink outlet chamber 3 and then flows out from the ink outlet chamber 3 through the ink outlet 2, that is, the ink outlet chamber 3 is located between the ink storage chamber 10 and the ink outlet 2, wherein the ink is pre-stored, and the ink outlet chamber 3 is disposed adjacent to the ink outlet 2.
As shown in the figure, the ink cartridge C further includes a handle 5 provided on the housing 1, the handle 5 protruding from the housing 1 to provide a user with a grip for mounting and dismounting the ink cartridge C, and at the same time, the handle 5 is further provided with a stepped surface 51 by which the ink cartridge C is accurately positioned in the ink jet printer when the ink cartridge C is mounted to the ink jet printer; the position of the step surface 51 (the handle 5) may be slightly different in different types of ink cartridges depending on the position of the portion to be combined with the step surface 5 in the ink jet printer, and for example, the handle 5 may be disposed at the position a in fig. 1 or may be disposed at the position B in fig. 1. Generally, a cartridge designer will name cartridges having handles 5 at different positions as different models and adapt the cartridges of different models to the inkjet printers of different models.
In the present ink horn C, ink outlet 2 is provided with sealing washer 7, ink outlet chamber 3 still is provided with the compression spring and the ball sealer (sealing member) of mutual butt, the ball sealer utilizes compression spring to urge sealing washer 7 to its compelling thrust that applys, thereby realize ink outlet 2 and sealed, after ink horn C was installed at the ink jet printer, the ink needle that inhales that sets up in the ink jet printer gets into ink outlet chamber 3 from ink outlet 2, and overcome compression spring's elasticity and push up the ball sealer open, with the liquid intercommunication that realizes inhaling ink needle and ink outlet chamber 3, therefore, compression spring's internal diameter is less than the diameter of ball sealer.
As described above, in the ink cartridge C, the compression spring is compressed to generate elastic force during the mounting process, since one end of the compression spring abuts against the ink suction needle through the seal ball, which is equivalent to the ink suction force that the ink suction needle applies an urging force opposite to the mounting direction of the ink cartridge C, the cartridge case abutting against the other end of the compression spring needs to be fixed, otherwise the ink cartridge C will be pushed up by the urging force, and the step surface 51 can make the ink cartridge C be held at the predetermined mounting position without being pushed up by engaging with the engagement portion preset in the ink jet printer.
In view of the fact that there are only slight differences between the existing ink cartridges of different models (for example, only the position of the handle 5 is slightly different as described above), the present application provides the following regeneration method so that the ink cartridge C having only slight differences can be commonly used after regeneration:
firstly, cutting off a handle 5 of an ink box C;
and step two, eliminating the forced pushing force which is applied to the ink box C by the ink box C and is opposite to the installation direction of the ink box C when the ink box C is combined with the ink-jet printer.
As described above, for the ink cartridge having only a slightly different position of the handle 5, after the handle 5 is cut off, the housing 1 can be used in a plurality of models, however, since the step surface 51 provided on the handle 5 also functions to cancel the urging force applied to the ink cartridge C by the ink suction needle, that is, when the ink cartridge C after the handle 5 is cut off is mounted to the ink jet printer, the ink cartridge will be pushed up by the urging force of the ink suction needle and cannot be held at the predetermined mounting position, the recycling method according to the present invention further needs to perform the above-described step two.
[ example one ]
In this embodiment, the second step may be implemented by replacing the compression spring with a larger inner diameter or the sealing ball with a smaller diameter, in other words, the second step may be implemented by disposing the sealing ball to be surrounded by the compression spring, or the sealing ball is located within the inner diameter range of the compression spring, so that the compression spring will not abut against the sealing ball in the regenerated ink cartridge, and the implementation of the second step will be described below.
As shown in fig. 4, the ink cartridge C further includes a check valve assembly 4 installed in the ink outlet chamber 3, the check valve assembly 4 controlling the amount of ink entering the ink outlet chamber 3 from the ink storage chamber 10 according to the air pressure in the ink outlet chamber 3, specifically, when the air pressure in the ink outlet chamber 3 is lower than a predetermined value, the ink in the ink storage chamber 10 enters the ink outlet chamber 3; when the air pressure in the ink outlet chamber 3 is higher than the predetermined value, the liquid communication between the ink outlet chamber 3 and the ink storage chamber 10 is blocked, and the ink in the ink outlet chamber 3 does not flow back to the ink storage chamber 10.
The ink outlet chamber 3 communicates with the ink storage chamber 10 through a communication port 31, and the ink outlet chamber 3 and the ink storage chamber 10 can exchange gas and liquid or exchange liquid and liquid through the communication port 31; the check valve assembly 4 includes a first sealing ball 41, a second sealing ball 42, and an elastic member 43 located between the first sealing ball 41 and the second sealing ball 42, the first sealing ball 41 being movable between a position of opening the communication port 31 and a position of sealing the communication port 31, the second sealing ball 42 sealing the ink outlet 2 in cooperation with the seal ring 7, the elastic member 43 being configured to apply a urging force to the first sealing ball 41 to urge the first sealing ball 41 back to the position of sealing the communication port 31.
Further, the ink cartridge C further includes a sealing film 5 attached to the ink outlet 2, the sealing film 5 being configured to prevent ink leakage between the ink outlet 2 and the sealing ring 7 before the end user starts using the ink cartridge.
The operation of the check valve assembly 4 according to the present invention will be described with reference to fig. 5A, 5B and 5C.
FIG. 5A is a schematic view showing a state of a check valve assembly when the ink cartridge according to the present invention is not mounted; FIG. 5B is a schematic view showing the state of the components of the check valve assembly when the ink-sucking needle is inserted into the ink-discharging chamber and no ink is sucked after the ink cartridge according to the present invention is mounted; fig. 5C is a schematic view showing the state of the components of the check valve assembly when the ink suction needle starts sucking ink after the ink cartridge according to the present invention is mounted.
As shown in fig. 5A, when the ink cartridge is not mounted, the second sealing ball 42 is engaged with the sealing ring 7 to seal the ink outlet 2, the first sealing ball 41 seals the communication port 31 under the elastic force of the elastic member 43, the communication between the ink outlet chamber 3 and the ink storage chamber 10 is blocked, the ink in the ink storage chamber 10 and the ink in the ink outlet chamber 3 cannot flow through, and at this time, even if the ink cartridge is inverted, the ink in the ink outlet chamber 3 does not flow back to the ink storage chamber 10, that is, the ink is always retained in the ink outlet chamber 3.
As shown in fig. 5B, after the ink cartridge is mounted, the ink sucking needle 6 is inserted into the ink outlet chamber 3 through the ink outlet 2, at this time, the second sealing ball 42 is pushed up by the ink sucking needle 6, the ink sucking needle 6 establishes liquid communication with the ink outlet chamber 3, and under the elastic force of the elastic member 43, the first sealing ball 41 still seals the communication port 31, the ink sucking needle 6 starts to suck out the ink in the ink outlet chamber 3, the air pressure therein gradually decreases as the amount of the ink in the ink outlet chamber 3 gradually decreases, the pressure of the ink storage chamber 10 on the first sealing ball 41 does not change, the pressure difference between the ink storage chamber 10 and the ink outlet chamber 3 gradually increases, and the pressure from the ink storage chamber 10 borne by the first sealing ball 41 also gradually increases.
As shown in fig. 5C, when the air pressure in the ink outlet chamber 3 is reduced to a pressure applied from the ink storage chamber 10 to the first sealing ball 41, which may press the first sealing ball 41 to move toward the second sealing ball 42 against the elastic force of the elastic member 43, in other words, when the difference between the pressure in the ink storage chamber 10 and the pressure in the ink outlet chamber 3 is greater than the elastic force applied from the elastic member 43 to the first sealing ball 41, the elastic member 43 is elastically deformed, the first sealing ball 41 moves from the position of the sealing communication port 31 to the position of opening the communication port 31, at this time, the liquid communication is established between the ink outlet chamber 3 and the ink storage chamber 10, the ink in the ink storage chamber 10 enters the ink outlet chamber 3 through the communication port 31, the air pressure in the ink outlet chamber 3 gradually increases as the ink in the ink storage chamber 10 is continuously replenished to the ink outlet chamber 3, and the pressure difference between the ink outlet chamber 3 and the ink storage chamber 10 gradually decreases, the pressure from the ink storage chamber 10 to which the first sealing ball 41 is subjected also gradually decreases.
When the air pressure in the ink outlet chamber 3 increases to a level at which the pressure applied to the first sealing ball 41 from the ink storage chamber 10 cannot press the first sealing ball 41 against the elastic force of the elastic member 43, so that the first sealing ball 41 moves in a direction approaching the communication port 31 under the elastic restoring force of the elastic member 43, in other words, when the difference between the pressure in the ink storage chamber 10 and the pressure in the ink outlet chamber 3 is smaller than the elastic force applied to the first sealing ball 41 by the elastic member 43, the first sealing ball 41 moves from the position of opening the communication port 31 to the position of sealing the communication port 31 under the elastic restoring force of the elastic member 43, the communication port 31 is sealed again by the first sealing ball 41, and the liquid communication between the ink outlet chamber 3 and the ink storage chamber 10 is blocked again. As the ink suction needle 6 continues to suck the ink in the ink chamber 3, the first sealing ball 41 continues to repeat the above-described operation of opening the communication port 31 and re-sealing the communication port 31, and the second sealing ball 42 remains stationary while the first sealing ball 41 repeats the above-described operation.
As described above, the check valve assembly 4 controls the communication and the separation between the ink outlet chamber 3 and the ink storage chamber 10 according to the air pressure in the ink outlet chamber 3, and further controls the amount of ink flowing from the ink storage chamber 10 into the ink outlet chamber 3, preferably, the first sealing ball 41 is made of an elastic material, the second sealing ball 42 is made of a hard material, that is, the first sealing ball 41 is an elastic ball, the second sealing ball 42 is a hard ball, and generally, the density of the first sealing ball 41 is less than that of the second sealing ball 42, and the elastic member 43 is a compression spring, so that the first sealing ball 41 can be easily pressed to the position for sealing the communication port 31 by the compression spring 43, and the requirement for the elastic force of the compression spring 43 can be greatly reduced.
Assuming that the first sealing ball 41 is made of the same material as the second sealing ball 42, the first sealing ball 41 can seal the communication port 31 by increasing the elastic force of the compression spring 43, however, when the ink outlet chamber 3 is pumped to reduce the air pressure, the communication port 31 is opened by overcoming the elastic force of the compression spring 43, and the difference between the pressure in the ink storage chamber 10 and the pressure in the ink outlet chamber 3 can be more easily realized; however, if the difference between the pressure in the ink storage chamber 10 and the pressure in the ink outlet chamber 3 is larger, the ink in the ink outlet chamber 3 will be sucked more, and it may appear that the ink in the ink chamber 3 is sucked lower than the predetermined value, or is about to be sucked dry, while the communication port 31 is still not opened, the ink in the ink storage chamber 10 cannot be replenished to the ink outlet chamber 3, and the ink suction needle 6 sucks the air in the ink outlet chamber 3.
Further, the diameter of the first sealing ball 41 is larger than that of the second sealing ball 42, and further, the diameter of the first sealing ball 41 is larger than the outer diameter of the elastic member 43, and the diameter of the second sealing ball 42 is smaller than the inner diameter of the elastic member 43, so that when the ink suction needle 6 pushes up the second sealing ball 42, the second sealing ball 42 enters the elastic member 43, the elastic member 43 does not obstruct the movement of the second sealing ball 42, and further the resistance of the ink suction needle 6 entering the ink outlet chamber 3 is reduced, so that the installation of the ink cartridge C is smoother.
Setting the diameter of the second sealing ball 42 to be smaller than the inner diameter of the elastic member 43 produces another advantageous effect in that, when the second sealing ball 42 is pushed up by the ink suction needle 6, the second sealing ball 42 enters the inside of the elastic member 43, the position of the second sealing ball 42 is held by the elastic member 43, and the second sealing ball 42 is prevented from deviating from a predetermined position due to shaking of the ink cartridge C; when the ink suction needle 6 is pulled out from the ink outlet chamber 3, the second sealing ball 42 returns to the sealing position engaged with the sealing ring 7 under the self-weight action of the elastic member 43.
The above-mentioned embodiment uses a ball as the sealing member for sealing the communication port 31 and the ink outlet 2, and in conjunction with the idea of the embodiment of the present invention, the sealing ball can be replaced by other shapes of sealing members, such as a square or irregular rubber body, and the like, so that the check valve assembly 4 can be summarized as including a first sealing member 41, a second sealing member 42, and an elastic member 43 located between the first sealing member 41 and the second sealing member 42, the density of the first sealing member 41 is less than that of the second sealing member 42, preferably, the first sealing member 41 is an elastic body, the second sealing member 42 is a rigid body, the maximum size of the first sealing member 41 is greater than the outer diameter of the elastic member 43, and the maximum size of the second sealing member 42 is less than the inner diameter of the elastic member 43.
In summary, the check valve assembly 4 according to the present invention is applicable to other devices requiring liquid exchange other than the ink cartridge C, and can control the amount of ink (liquid) entering from the outside of the ink outlet chamber (liquid discharge chamber) 3 according to the pressure in the ink outlet chamber (liquid discharge chamber) 3, specifically, the ink outlet chamber (liquid discharge chamber) 3 is communicated with the ink (liquid) storage chamber 10 through the communication port 31, and when the pressure in the ink outlet chamber (liquid discharge chamber) 3 is lower than a predetermined value, the ink (liquid) in the ink (liquid) storage chamber 10 enters the ink outlet chamber (liquid discharge chamber) 3; when the air pressure in the ink outlet chamber (liquid outlet chamber) 3 is higher than a predetermined value, the liquid communication between the ink outlet chamber (liquid outlet chamber) 3 and the ink (liquid) storage chamber 10 is blocked, and the ink in the ink outlet chamber (liquid outlet chamber) 3 does not flow back to the ink (liquid) storage chamber 10, so that even if the ink cartridge C or the liquid cartridge is inverted, the ink (liquid) in the ink outlet chamber (liquid outlet chamber) 3 does not flow back to the ink (liquid) storage chamber 10, and the ink suction needle (liquid suction member) 6 does not suck air; even if the pressure in the ink (liquid) storage chamber 10 decreases or the external temperature rises, the ink outlet (liquid outlet) 2 does not entirely bear the pressure difference from the ink storage chamber and the outside, and the risk of ink (liquid) leakage from the ink outlet (liquid outlet) 2 is greatly reduced.
Since the inner diameter of the compression spring in the ink cartridge C before regeneration is smaller than the diameter of the sealing ball (the second sealing member 42), and the sealing ball (the second sealing member 42) in the second step is located within the inner diameter range of the compression spring, the inner diameter of the compression spring in the ink cartridge after regeneration is larger than the inner diameter of the compression spring before regeneration, or the diameter of the sealing ball after regeneration is smaller than the diameter of the sealing ball before regeneration, so that it is ensured that the ink suction needle does not apply a pushing force to the ink cartridge C in a direction opposite to the mounting direction of the ink cartridge C when the ink cartridge C after regeneration is mounted to the ink jet printer.
As for the first seal 41, as can be seen from the above-described embodiment, the first seal 41 is a control member for controlling whether the ink discharge chamber 3 communicates with the ink storage chamber 10, and this embodiment relates to an ink cartridge before regeneration, which is not provided, and therefore, the control member needs to be added to the ink cartridge after regeneration.
[ example two ]
The difference between the present embodiment and the above-described embodiment is that the ink cartridge before regeneration according to the present embodiment is provided with a device for controlling whether the ink discharge chamber 3 and the ink storage chamber 10 are communicated with each other, and specifically, in addition to a mode that the first sealing member 41 having a density smaller than that of the second sealing member 42 is provided in the ink discharge chamber 3, and the maximum size of the first sealing member 41 is larger than the outer diameter of the elastic member 43, for example, the pressure regulating assembly and the pressure regulating method according to chinese invention patent application CN109720101A filed by the present applicant, the scheme according to chinese invention patent CN1262420C filed by the applicant of the ministry of the life of the isphere, and the like can be used for controlling whether the ink discharge chamber 3 and the ink storage chamber 10 are communicated with each other.
For the ink cartridge before regeneration, when the second step is implemented, only the compression spring in the ink outlet chamber 3 needs to be removed, and the sealing ball (the second sealing member 42) is retained, but the sealing ball needs to be replaced by a gravity ball with higher density, so that when the ink suction needle is pulled out from the ink outlet chamber 3, or the regenerated ink cartridge C is mounted to the ink jet printer, the gravity ball can press the sealing ring 7 to seal the ink outlet 2 by means of the gravity ball, and it can be ensured that the ink suction needle cannot apply a pressing force opposite to the mounting direction of the ink cartridge C when the regenerated ink cartridge C is mounted to the ink jet printer.
As described above, by cutting the handle 5 where there are only slight differences between the respective types of ink cartridges C and preventing the ink cartridges C after being recycled from receiving a pushing force from the ink suction member applied thereto in the direction opposite to the mounting direction thereof when being mounted to the ink jet printer, it is possible to achieve a common use of these ink cartridges having only slight differences, thereby reducing the production cost of the ink cartridge recycling manufacturer.
Claims (7)
1. A method of regenerating an ink cartridge detachably mounted in an image forming apparatus provided with an ink suction needle, the ink cartridge before regeneration including a housing, an ink storage chamber defined by the housing, an ink outlet and a handle provided on the housing, a seal ring for sealing the ink outlet, an ink outlet chamber between the ink storage chamber and the ink outlet, and a compression spring and a second seal member disposed in the ink outlet chamber and abutted against each other, the ink cartridge communicating with the ink suction needle through the ink outlet, the second seal member urging the seal ring to seal the ink outlet by an urging force applied thereto by the compression spring, the method comprising:
firstly, cutting off a handle of an ink box;
replacing a compression spring with a larger inner diameter or a second sealing element with a smaller diameter; or the compression spring is cancelled, and the second sealing element is replaced by a sealing element with higher density;
the second sealing piece is used for eliminating the urging force which is applied to the ink box by the ink absorption when the ink box is combined with the imaging equipment and is opposite to the installation direction of the ink box, and the second sealing piece presses the sealing ring by utilizing the self gravity to seal the ink outlet.
2. The ink cartridge recycling method of claim 1, wherein in the second step, when the compression spring having the larger inner diameter or the second seal having the smaller diameter is replaced, the second seal is located within the inner diameter of the compression spring.
3. The method of regenerating an ink cartridge according to claim 2, wherein the maximum size of the second seal after regeneration is smaller than the maximum size of the second seal before regeneration.
4. The regeneration ink box is detachably installed in the imaging device provided with the ink suction needle, the ink box before regeneration comprises a shell, an ink storage cavity formed by enclosing the shell, an ink outlet arranged on the shell, a sealing ring used for sealing the ink outlet, an ink outlet cavity positioned between the ink storage cavity and the ink outlet, and a compression spring and a second sealing piece which are mutually abutted and arranged in the ink outlet cavity, the regeneration ink box is communicated with the ink suction needle through the ink outlet,
the regenerated ink box has a larger inner diameter of the compression spring or a smaller diameter of the second sealing element compared with the ink box before regeneration; or no compression spring is provided, but the density of the second seal is greater;
when the regeneration ink box is combined with the imaging equipment, the ink suction needle can not apply forced thrust to the regeneration ink box along the direction opposite to the installation direction of the regeneration ink box, and the second sealing piece utilizes the self gravity to press the sealing ring to seal the ink outlet.
5. The recycling ink cartridge of claim 4, wherein the second seal is located within the inner diameter of the compression spring when the compression spring in the recycling ink cartridge has a larger inner diameter or the second seal has a smaller diameter than the ink cartridge before recycling.
6. The regeneration ink cartridge as claimed in claim 5, further comprising a first sealing member disposed in the ink outlet chamber, wherein the first sealing member and the second sealing member are respectively located at both ends of the compression spring, and a density of the first sealing member is less than a density of the second sealing member.
7. The regeneration cartridge of claim 6, wherein a maximum dimension of the first seal is greater than an outer diameter of the compression spring.
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| CN2019204319936 | 2019-03-30 | ||
| CN201920431993 | 2019-03-30 |
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| CN110406263A CN110406263A (en) | 2019-11-05 |
| CN110406263B true CN110406263B (en) | 2020-06-02 |
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| CN113002182B (en) * | 2020-12-22 | 2022-08-16 | 珠海纳思达企业管理有限公司 | Regenerated ink box and manufacturing method thereof |
| CN112895725B (en) * | 2021-01-18 | 2022-04-15 | 珠海瑧挚科技有限公司 | Ink cartridge regeneration method and regenerated ink cartridge |
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