TW592987B - Ink cartridge and ink filling method and the device - Google Patents

Abstract

The present invention relates to an ink cartridge, its ink-filling method and device. In the ink storage cavity of ink cartridge, a valve is set, including a support foot, a support wall raising in an inclined manner an inside circumference of the support foot, a support shoulder extending further inward from the support wall and a support head raising from the support shoulder and defining a central through hole. A valve sealing device functions to block the central through hole, so that the valve can retain liquid ink. A sealing member arranged set at ink outlet contains an integrated support tightly fitted with the ink outlet, a sealing ring raising from the support, a block cooperating with the sealing ring, and a connection surrounding and extending between the block and a center of the sealing ring. Since the valve structure of the ink cartridge of the present invention has a circumferential step-like configuration, which makes the present invention very sensitive to pressure, the printing quality can be effectively enhanced. Further, the sealing member of the present invention provides excellent sealing in a non-use condition; and when a printing pin penetrates, the connection is broken, separating the block and sealing ring. Since the sealing member and printing pin are tightly fit with each other, the sealing member of the present invention also provides excellent sealing in a use condition.

Description

592987

Case No. 90106391 V. Description of the invention (1) Technical field, special sealing ring device. Keep and control in particular. The device and the basic method need to have a variety of ink cartridges and ink cartridges with a variety of ink cartridges in the structure. The ink cartridges are also used. The present invention relates to an inkjet printer. The device is related to a seal that is formed by using a one-way valve body to control the ink cartridge and a stopper to integrally form a seal. The invention also relates to a method for making use of this; The ink filling method and filling method of the liquid ink cartridge device are related to a method of passing a positive pressure difference and a reverse pressure difference, respectively. BACKGROUND OF THE INVENTION The method of setting and the installation of an inkjet printer are generally Head turned on. When the printer is performing a printing job, one of the inkjet devices that can continuously and uniformly discharge ink is the ^ = the most effective device. The most commonly used method for controlling the ink discharge is the capillary suction storage of the hole body. Ink, such as a sponge. This device is disclosed in China CN 1 1 8 53 7 9A (application number: 97 1 2 1 762.9), as shown in FIG. The ink cartridge device disclosed in the document is divided into two interconnected chambers 12 and 15 for storing the porous body 14 respectively. The placement of the porous body 14 in the box body 10 is easy to achieve, but its disadvantage is that the existence of the porous body 14 occupies an effective space. In fact, the total storage capacity of such a prior art ink cartridge device generally does not exceed 60% to 65% of the total volume of the ink cartridge. In addition, the structure in which the pore body 14 controls the ink discharge always leaves _ liquid at the end and cannot be used well. At the same time, the height of the porous body 14 is 0. US patent document US4677447 discloses a method using a unidirectional阙 2 2 cartridge structure 20 for controlling ink discharge, as shown in FIG. 2. Thanks single ^

592987 --- 90106391 —___ year, month, day_correction V. Description of invention (2)

The control valve 22 is provided outside the ink storage chamber 24, and can basically fill the entire chamber with ink ', effectively increasing the total amount of ink. Referring to FIG. 2, it uses an umbrella-shaped valve body 22 to reversely communicate with the ink storage chamber 24 from the ink introduction chamber 26. Therefore, during assembly and use, the valve body 22 can be used to hold the ink. liquid. When the print head is ejected, a negative pressure is generated in the ink introduction chamber 26. On this day ^ 'the valve body is shifted downward due to the pressure difference between the two ends, thereby allowing ink to flow from the through hole 25 into the ink introduction chamber 26, so that the valve body 22 continuously provides ink to the print head. . However, the structure of this one-way valve 22 brings new technical problems. In the initial stage of printing, the ink needs to pass through the lead chamber 26 to the print head (not shown), so that the ink Doped with a small amount of air, and these small amounts of air will change due to environmental factors such as temperature, which will affect print quality. Ink cartridge device for inkjet printers In addition ------------------ It is often necessary to set a seal ring at the ink outlet of the cartridge body. This prior art sealing ring-only guarantees a good sealing effect when the ink supply needle-shaped body is inserted, and when it is in a non-use state, a sealing film must be provided at the ink outlet. For example, Chinese patent application CN1 1 33784A discloses a funnel-shaped dense ring 100. As shown in FIG. 3, the sealing ring 100 has a through hole 102.

The bottom hole of the 02 is small and the top hole is large. The size of the through hole 丨 〇2 can be inserted into the ink supply needle 1 () 4 of the recording device, and is pressed elastically on the outer circumference of the black soil body ⑽ Surface. When the ink supply needle-shaped body is inserted into the ink supply and the soil, the seal ring 100 prevents the ink from overflowing the box body, but not the black, ink supply needle-shaped body m. WUG2 hole is small-the end is close to the ink output =

This kind of sealing ring m can only ensure that the ink supply needle-shaped body is inserted = good; Dan J 592987 V. Description of the invention (3) Sealing effect. Therefore, this prior art sealing ring 100 must also be provided with a sealing film 106 to prevent the ink from overflowing the box body during transportation, which undoubtedly increases the manufacturing cost. In the ink cartridge device disclosed in U.S. Patent No. 5,790,158, a seal ring with a through hole should also be provided in the center, as shown in the " 〇 " seal shown in FIG. 3B. These seal rings 120 can play a better role. It has a sealing effect, but in the state of operation, it also needs to be provided with a sealing film on the outside of the chamber 1 22. US Patent 5,949,458 also discloses a sealing member 13o. As shown, the sealing member 13o can be Pierced film 132. As shown in Figure 3 ^ in the case, the sealing member 130 and the film body 132 are both elastic members. Due to the strong movement of one side, the film 132 is pierced by 4 臈 during application, which is laborious and even incapable. Pierced phenomenon. For comparison, for the producer, it is possible to produce black ink in large quantities; the completion of the filling of ink is also a factor of improving labor ^ and convenience. In the ink cartridge device of the prior art, the method that must be considered for the A-rod is to use the capillary suction of a porous material to control the ink output, such as a sponge. U.S. Patent No. 5, 2 0 0, 2 9 9 In the public door, ink making device, ink cartridge device and ink filling method thereof, as shown in Fig. 4 (2): 34 are more in the ink cartridge 10, the ink cartridge 1 〇 One end is connected to the print head. The sponge body 11 is placed and accommodated in the porous body U. Holding the ink in this way Rabbit keeps the ink and cuts the sponge body to a predetermined size; after that, it performs a sea turn, normally, and then ′ puts it into the ink cartridge. This provides a fixed compression

And after it is dried, it is placed in the ink cartridge to affect the print quality I 592987 Case No. 90] flfi such as 7th and 5th, the description of the invention (4) Figure 5 shows the porous ink cartridge (P1), and provides the cartridge housing; Step 2 (p / process flow chart. In step 1; step 3 (P3), seal the sea-turn hole of the ink cartridge into the ink cartridge (P4), check if the ink cartridge leaks; step H's receiving opening; step 4 force Step 6 (P6), add ink; Step P5) 'Reduce the free ink of the ink cartridge; Step 8 (p8), Beam)' Remove the excess square and soil rule filling ink in this way from the container Add mouth. In some cases, there are sponges and blacks: more troublesome; at the same time, there are gaps. Obviously these are where the walls are in close contact and are called "free ink". There will also be ink in this s, which is usually caused by this. After the ink is filled, the ink can leak out of the cartridge. Because of the process. However, the free ink is not the same as the ink cartridge shown in step 7 except that the free ink is removed. The position of the ink cartridge is fixed at the fixed position in the ink cartridge. The ink supply port Y is different from the ink supply port. In particular, it does not always exist in the position, this situation; a place, but it may appear difficult to get away from the ink supply port, at the same time, the sponge body: the free ink obtained to be removed is more difficult, which leads to ink The exact water may also be removed-partialized. Adding 1 to 8 and changing the distribution of the ink in the sponge. The amount of ink = divided by ΐ = the operation of the ink is often in the porous body of the operating part of the ink cartridge: 埴: Next, the ink cartridge near the print head is connected to seven. In this way, the 1-in-6 true ink may be pumped together with the free ink. When the print head # ι / ζ cartridge works, the ink break occurs, that is, the ink cannot be printed to the printer, causing the printer to malfunction. The W table is free. The ink filling process is as described above, which is more troublesome and at the same time; ---- 7 operation is more complicated and difficult to control; at the same time, the porous body 1NJL, ... _______-- ---- ---- Page 8 592987 V. Description of the invention (5) The ink cartridge always has a certain amount of ink supply due to the porous body occupying the porous body. Inner valley of the invention An object of the present invention is convenient to control the ink, or Health 'guarantees the shape of another eye ladder to make the change. The other purpose of the seal is to seal the ink out.

A certain amount of ink is provided in the ink cartridge, and the multi-way valve body can reserve the air bubbles in the ink cavity. The body is designed to form a stepped shoulder. The ring portion and the stopper of the invention are connected in good condition. The invention effectively reduces the maintenance and control of the present invention. After the closed box is used in the present invention, the cost of using positive pressure can be maintained and controlled by the present invention. The gas in the ink cartridge cavity of the other ink can be filled into the ink cartridge by the ink cartridge source of the ink of the other ink directly to the ink, the ink is extracted, and the ink drawing is continuous. The ink that is played in the mouth can function again, the device is filled and sucked out, the gas in is predetermined, the flow chamber filled in the device is filled with a flow cavity, and the material is provided in a box to provide ink. Further, a space for the amount of ink for the volume of the ink is proposed, and after printing, the cost of the effective hole body of the ink cartridge itself is also high. This kind of ink cartridge is installed through an amount and can be small enough to effectively prevent a one-way valve. The valve body made of the valve material can be easily replaced by a suitable sealing device. The printing which can directly print the needle-shaped body through during transportation facilitates the assembling process, and there is a method of using a one-way valve body. This method can use negative pressure to fill the ink cartridge. An ink filling device, the device Φ out 'reaches the predetermined negative pressure ink. A method of using a one-way valve body, the method is

Page 9 592987 Case No. 5. Description of the invention (6) The present invention is connected by a printing needle, such as a printer device, which is internally provided with the cartridge containing at least one ventilating device and at least one ink ejecting device; at least A sealed cartridge solution to realize the provided ink cartridge device is provided with at least one cavity and at least one at least one unidirectional hole, and the cavity opening is arranged on a wall portion and a piece to block the ink outlet opening sheet. The valve body is used for controlling the ink. The valve body is provided in the at least one cavity provided portion, and the at least one ink outlet portion, the slave portion, the slave portion, and the support wall portion from the inside of the support leg portion to the inside. The support shoulder bulges, 90106391

Hole; tilted with the supported head part up to the said part support foot support wall support shoulder support head and the center of the ink cartridge invention of the tilting bulge invention of the shoulder bulge invention. To block this position, a concave portion is formed by bending inwardly from the inclined wall portion. Position, wherein the support head is away from the support. Including 'for storing ink in communication with the atmosphere; upper, for printing and maintaining the flow of ink, wherein the inside of the body and a cavity wall are sealed in contact with the bulge; the curved structure; and a central device runs through A valve body sealing device is also included for sealing the through hole. The ink cartridge device, wherein the support wall portion starts from the support. Ink Cartridge Mounting Downward Ink Cartridge Mounting j Shoulder of the j-through support ψ

592987

銮 号 90106391 V. Description of the Invention (7) The ink cartridge device according to the present invention, wherein the central through hole of the support head is a tapered through hole. In the ink cartridge device of the present invention, the inclination angle of the support head is larger than the inclination angle of the support wall portion. In the ink cartridge device of the present invention, the thickness of the support leg portion is greater than the wall thickness of the support head portion; and the wall thickness of the support head portion is greater than the wall thickness of the support shoulder portion. In the ink cartridge device according to the present invention, at least one recessed portion is provided on a wall portion communicating with the at least one ink outlet for placing the valve body. In the ink cartridge device of the present invention, a filter device is provided on a bottom wall of the recessed wall portion for filtering impurities in the ink. In the ink cartridge device according to the present invention, the valve body sealing device presses the support head of the one-way valve body downwards, so that the valve body is in a compressed state. In the ink cartridge device of the present invention, an ink leakage preventing device is provided at the vent hole. According to the ink cartridge device of the present invention, the soil-proof ink leakage preventing device is provided by the vent hole wall protruding toward the ink storage cavity. The ink cartridge device of the present invention is characterized in that the anti-death 5 liquid leakage device is a socket inwardly protruding through a vent hole, a curved pipe piece is connected, and the other end is exposed to the liquid surface. Zhuangli, the ink cartridge device of the present invention, wherein the ink preventing bag-like member is disposed in the ink storage cavity and includes an open end for communicating with the vent hole; and __ a micro hole Is provided on the wall of the bag-like member. ^ ---

Page 11 Dou Qi said that the bottom wall is provided with at least one of the bottom wall is provided with a protrusion, wherein the air guide provided on the surface of the box _ plug No. 5. Description of the invention (8) The present invention The ink cartridge device of the present invention, the ink cartridge device of the present invention, has a protrusion in the cavity, and includes: 疋 a cavity in the open end of the bag-like member, and a through hole arranged on the bottom, and A shoulder portion is used for the ink cartridge device of the present invention with the bag, and its ink port is arranged obliquely. The ink cartridge device and the ink guide groove of the present invention are used to ensure ink supply. The ink cartridge device of the present invention abuts against the bag-shaped member. The ink cartridge device of the present invention is fixed to a crotch portion of a cavity of the cartridge body where the vent hole is located. The ink cartridge device according to the present invention, the ink cartridge device according to the present invention, has irregular air conduction on the case body. The ink cartridge device according to the present invention. # The surface of the cartridge device. The hole of the ink cartridge device according to the present invention is covered with a gas-permeable membrane. In the ink cartridge device of the present invention, one of the "t-holes" for the f ink and the η ___________- amendment is a bag-shaped member which is a hollow sphere. The vent hole is provided with a bowl-shaped cap for the storage and fixing cap, which is used to fit the outer edge of the lift-off phase; is aligned with the vent hole; and the open end of the shape piece is sleeved. The bottom wall of the ink storage chamber is open to the wall end of the bag-shaped member in the middle of the outlet, and the bag-shaped member in the ink storage has a plurality of stacks. The air hole is the same as the outside air through the hole. Nakato Jinbin part of the air vents

The wall of the box body is also provided with f ink storage connection and using a plug

592987 ---_ Case No. 90106391_ Year Month —_ Day Amendment ^ V. Description of the invention (9) Gambling. According to the ink cartridge device of the present invention, the seal is provided inside the outlet and is integrally provided with a support portion having a cavity inside, which closely cooperates with the crotch portion of the ink outlet; a sealing ring portion, Bulge inward from the support portion; a stopper that cooperates with the seal ring portion formed by the bulge; and a connecting portion that surrounds between the seal ring portion and the stopper to ensure The capture block breaks when subjected to a predetermined force. In the ink cartridge device according to the present invention, the top surface of the seal ring portion is provided obliquely from the support portion toward the center. According to the ink cartridge device of the present invention, a circular groove is provided on a wall portion of the A body that cooperates with the seal, and the support portion of the seal is provided, and an inner groove wall of the groove is provided. The top surface of the seal ring portion is used to enhance rigidity. The ink cartridge device of the present invention, wherein the connecting portions have different thicknesses. The ink cartridge device of the present invention, wherein the thickness of the connecting portion is increased from a part of the ring portion to the opposite side. The ink cartridge device of the present invention, wherein the wall portion of the ink outlet is perforated with an exhaust hole, communicates with the upper cavity of the seal, and is sealed with a rubber plug. A kind of one-way valve body for controlling the μ of ink, wherein the valve body package

^^-^ 90106391 V. Description of the invention (10) A support wall portion #a shoulder portion and a support head portion is modified to bulge from the inside of the support leg portion; the hole is bent from the support wall portion to the inside; and The support shoulder is raised and penetrates a valve body with a central opening A Θ ^ ^ Θ, wherein the support shoulder bent inward from the support wall portion is recessed downward to form a concave surface portion.阀 The valve body of the present invention, wherein the support head is obliquely raised from the support shoulder. The valve body of the present invention, wherein the thickness of the support leg portion is greater than the wall thickness of the support head portion; the wall thickness of the support head portion is greater than the wall thickness of the support shoulder portion. The method for filling an ink cartridge device, wherein it comprises the following steps: a) sealing the ink cartridge device; b) inserting an ink injection needle into the ink injection port of the ink cartridge; c) using a pressure source to suck out the ink cartridge The gas in the ink introduction chamber of the ink cartridge and the cavity of the cartridge body cause negative waste to form in the cavity. D) Fill the ink cartridge cavity with a predetermined amount of ink ^ * i • mediated step c) deal with·

In the method of the present invention, the side wall of the ink introduction cavity formed by the necessary parts described in the above description, e), the one-way valve body and the upper part pass through an air exhaust hole; two. f) Inserting a suction needle into the suction hole · The method of the present invention ′ wherein also when the predetermined amount, the suction needle is pulled from the suction g) The gas in the box body is far away

592987 9010639L, the fifth month of the year of the invention, the invention is clear (n)-a device for filling and filling # ink cartridges according to claim 1, wherein the ink cartridge device includes a vent hole for communicating with the box body The cavity and the outside air are filled with an ink injection port, which is sealed by a plug cap; A seal is provided at the ink outlet, which is used to protect the liquid, a one-way valve body, and sealed with a valve body sealing device. A through hole of the support head is provided on the bottom wall of the cavity, and is opened with the seal, and an ink introduction cavity is used to hold and control the ink; and the ink filling device includes an ink container; q ink injection port, through a ink injection needle, said / ^ a pipe inserted into the ink cartridge device communicates with the ink container; a pressure source; and Gan Shi &, 丄 ,, a suction needle, use The air pipe and the air pressure source are quickly changed. 'The ink filling device further includes a compression device for sealing the tomb portion of the box body.' A flow control device includes, a ventilation pipe, which communicates with the pipeline. -The ink tube is connected to the pipeline two times: j two valve bodies between the container are respectively disposed between the flow control device and the flow control device and the ink injection needle ^ A filling method for an ink cartridge device according to claim 1, wherein the ink cartridge device comprises 592987

_ Zhong V. Description of the invention (12) The method includes a) ink injection b) ink. This c) wall, d) e) use this f) root recessed part of the bubble root body and action, a small body filled with a wider body at different roots is separated from the following steps: at the ink injection port of the ink cartridge Inserting a needle communicating with the ink container; and using a positive pressure source to directly fill the ink cartridge with a predetermined amount of the invention's filling method, which further includes processing the bow formed by the one-way valve body and the seal A side of the ink chamber penetrates an air suction hole; an air suction needle connected to a negative pressure source is inserted into the air suction hole; a negative pressure is used to suck out air in the ink introduction chamber of the ink cartridge to obtain the one-way valve body Due to the pressure difference, it is separated from the valve body sealing device to draw ink into the ink introduction chamber. The method of the invention, further comprising: sealing the ink injection port. According to one aspect of the present invention, since the present invention forms an ink introduction chamber in the valve body and the bottom wall, and reserves ink in the ink introduction chamber, 2 is prevented from being generated. According to another aspect of the present invention, since the ink-introduction chamber can be designed to be sufficiently small at the same time, the generation of air bubbles can also be avoided by the green washing during the operation of the printer, so that it can be used for more occasions. More widely applicable According to another aspect of the present invention, the one-way valve body of the present invention is deformed due to pressure, so that the ink in the ink storage chamber and the print head are continuously supplied with f. Therefore the valve of the invention;

& A can be applied in the stomach, so it can be recognized and swallowed.-丨 adaptability of brother 592987 5th case number 9010639], invention description (13) Strong. More importantly, by using the valve body of the present invention, on the one hand, the added two can be fully utilized, which effectively improves the utilization rate of ink; on the other hand, it reduces the manufacturing cost of the ink cartridge and simplifies the ink filling. It also enhances the controllability of its operation. According to yet another aspect of the present invention, since the present invention also provides leak prevention devices in the vent holes, effectively preventing ink leakage, facilitating the filling operation of the ink cap, and facilitating the reuse of the ink cartridge device of the present invention. . According to still another aspect of the present invention, since the present invention is adapted to the seal ring portion through a stopper having a thickness, the seal may be effectively prevented from being broken during transportation or assembly. According to yet another aspect of the present invention, since the present invention provides a connection 厚 which is thicker than the stopper, it not only ensures that the seal of the present invention can withstand the pressure of-, but also guarantees that it can be under stress It breaks effectively, allowing ink supply needles to pass smoothly. In another aspect of the invention, since the cutters of the seals of the present invention, such as the support part, the seal ring part, and the stopper, are assembled on the ground, the best way to implement the present invention is effectively realized-the details will be described below. The invention is described. Please refer to a preferred embodiment of the longitudinal section 圄 η, shown in FIG. 7A, which is shown; the 40-way check valve of the ink cartridge is fine, and it is better to use the ink in the storage tank 402. The description of the ink cartridge installation, cavity 402, and separation of the present invention. First, referring to the first embodiment of the present invention shown in FIG. 6 and the first embodiment, a first Λ_M correction diagram. The unidirectional wide body 30, which is issued by the sun and the moon, is made of rubber / wood: / 3 ° longitudinal section ---- made of wood, with hardness of Shore

592987

30 to 40 degrees' has an outer contour that is approximately a circular step. The valve body 30 includes a% -shaped supporting leg portion 3 丨 〇, which is in sealing contact with the bottom wall of the cavity; a raised soil. A shaped supporting wall portion 3 2 2 is obliquely raised from the inside of the supporting leg portion 3 1 0 A support shoulder 324, which is bent from the support wall portion 322 and then inwardly; and a support head 33, which protrudes from the support shoulder 324, and has a through hole 332 in the center.

The valve body 30 of the present invention is affected by the suction force of the print head, which causes a pressure difference between the upper and lower sides of the body. The direction is shown by the arrow in FIG. 6, and the valve body is deformed. Therefore, it is best that the present invention further recesses the support shoulder portion 3 2 4 bent inward from the support wall portion 3 2 2 to form a concave portion. This ensures that when the pressure on both sides of the valve body 30 of the present invention changes, the head of the branch building 3 30 can generate a moderate offset. In fact, since the pressure difference generated by the print head equipment is often changed, it can be imagined that the offset generated by the support head 3 3 0 should also be different, and the sunken shoulder 3 2 of the present invention can ensure that the The support head 330 of the invented valve body 30 responds to a small negative pressure. It can be seen that the support shoulder 324 is a pressure buffering and pressure sensitive portion of the valve body 30.

At the same time, it should also be considered that the deformation of the support head 3 30 is reduced as much as possible even when the valve body 30 is subject to a large negative pressure. This is on the one hand due to the consideration of ink flow control, and the other The aspect is that the support head 3 3 0 should be quickly re-determined. Therefore, more particularly, the valve body 30 of the present invention is provided with a thickness of the supporting leg portion 310 greater than the wall thickness of the supporting shoulder portion 324 and a wall thickness greater than the supporting head portion 340. It is easy to understand that in order for the support head 3 3 0 to respond to a small negative pressure, the thickness of the support shoulder 3 2 4 should be set to be smaller than the wall thickness of the support head 3 3 0, especially the curved part 3 The thickness of 25 should be set to a minimum,

P.18 592987 Case No. 9010f ^ Q1 Month, Day, Amendment V. Description of the invention (15) It is usually suitable to be between 0 · 15 and 0 · 5 mm. In order to gradually disperse the change in the pressure difference to which the valve body 30 of the present invention is subjected, the present invention further inclines the support head 33 0 and makes the inclination angle 1 thereof greater than the inclination angle 2 of the support wall portion 3 22. In addition, the through hole 332 It is best to design a tapered through hole with a slightly larger diameter at the bottom end, as shown in FIG. 6. .. The valve body 30 of the present invention achieves the purpose of maintaining ink and controlling the ink flow in the ink cartridge device 40 by a built-in design. Returning to Fig. 7A, the valve body 30 of the present invention is disposed above the ink outlet 404 in the ink storage cavity 402, and its supporting leg portion 310 is in contact with the bottom wall 406. In order to maintain the stability of the valve body 30, the bottom wall 406 around the ink outlet 404 is preferably set in a recessed manner to form a recessed portion 408. The valve body male and sealing device 340 directly protrudes from the top wall 41o of the ink cartridge, plugs in the supporting head 330 of the valve body, and gently presses the head 33o. In this way, the valve body 30 of the present invention can hold the ink in the ink storage chamber 402 and isolate it from the ink outlet 404. Preferably, an elastic sheath 342 is shrouded on the outer portion of the sealing device 34o to elastically block the support head 33 of the valve body 30. Of course, the valve body sealing device 34 of the present invention may have various deformations. For example, the valve body sealing device 34 may be designed as a protrusion integrally formed with the wall portion 41 as shown in FIG. 7A, or may be separately fixed to the wall portion 41. on. According to various needs, such as when higher requirements can be placed on the stability of the valve body 30, a hollow cylindrical valve body sealing device fixing 416 can also be provided outside the recessed portion 408, and the valve body sealing device 34f) Set the circle of notch 418 around the c! 4U 疋 tribute

As shown in FIG. 9, the cylinder body ′ is adapted and fixed to the valve body 30 and the sealing device 340 of the present invention. Through the slot mouth, the people in the village are ignorant of you and 418, so that the ink guiding chamber 412 and the ink storage chamber 402 keep the ink supply during the work of Mo Yi. # @ ^ Π " e ^ should be unobstructed. At the same time, the valve body fixing device of the present invention can also be a columnar shape protruding integrally at the top wall 410 of the spoon Mo Yi.

__ Page 19 592987 Saidai < 90106 plus 1 V. Description of the invention (16) Rod 416 Referring to FIG. 7A, the present invention forms an ink-guiding ink between the valve body 30 and the recessed portion 408 provided in the bottom wall 406 of the ink cartridge. The cavity 412 is slightly smaller in diameter than the leg 310 of the branch tower. In the present invention, ink is reserved in the chamber 412, so that a sufficient amount of ink can be obtained at the printing head 'at the beginning of printing. The ink supply of the print head passes through a trumpet-shaped seal member 52 ′ provided with a film 58 below the ink outlet 404 and filled with ink between the chamber 412 and the ink outlet 404. When the ink cartridge works 2, a pressure difference is generated in the ink introduction chamber 412. When the pressure reaches 120 mm of water column, the support head 33 of the valve body 30 moves downward; the valve body through hole 332 is separated from the sealing device 340. Thus, the ink fills the entire ink introduction chamber 412 in the direction shown by the arrow in Fig. 7B, and is continuously supplied to the print head 50. The opening pressure of the valve body 30 '# according to the present invention may be -200 ~ 0_ water column, and the preferred opening pressure is ~ 150 ~~ 30mm water column. When the ink supply needle 50 stops absorbing ink, the valve body 30 can close the ink supply channel by its own elastic weight. In this way, the valve body 30 of the present invention controls the outflow of the ink stored in the cavity 402. There is no doubt that when the ink cartridge device is applied, a vent hole must be provided in the cartridge body to balance the air pressure inside and outside the cartridge body; therefore, residual ink in the cartridge body will overflow through the vent hole when the cartridge is removed. In the present invention, a through hole 414 'is not provided in the cavity wall 410, so that atmospheric pressure is applied to the liquid surface to complete the working process of supplying ink to the print head. At the same time, in order to effectively prevent the ink leakage phenomenon that may occur in the vent hole when the ink cartridge is removed upside down, in this embodiment, a hose 4 2 0 extended to the ink storage cavity 1/3 is used to prevent ink leakage. There is another advantage of the present invention in that the vent hole 4 1 4 is provided, when the ink is used up, it is possible to directly inject new ink into the box body 40 without having to print it from the printing.

Page 20 592987 No. 9mnmcn Λ_η Revision V. Description of the invention (17) --- Take it out of the device and replace it. Therefore, since the ink cartridge device 40 of the present invention uses the valve body 30 of the present invention, it is extremely convenient for the user, and the ink is fully utilized. At the same time, in order to prevent possible foreign matter such as air bubbles or impurities from entering the printing needle to affect the printing quality, a metal filter and a mesh 5 6 are placed at the end of the ink outlet facing the inside of the box. " In order to make the valve body 30 pressure adjustment more sensitive, the present invention can also add a spring 54 in the ink introduction chamber 412, abutting against the support shoulder 324 of the valve body 30, to ensure that the valve body 30 is reset in time. , As shown in Figure 8. In the present embodiment, the present invention still considers the processing needs, and a hose 4 2 0 extended to the ink storage cavity / 3 is used to prevent ink leakage. At the same time, the present invention can also protrude the vent holes 4 1 4 directly into the ink storage cavity, and extend to about 1/3 of the ink storage cavity, as shown in FIG. 9. Better to prevent ink leakage when the ink cartridge is removed, according to a preferred embodiment of the present invention, a sponge body 4 3 6 is provided at the vent hole 41 4 to absorb the ink, see FIG. 1 〇. Even better, in order to prevent ink leakage when the ink cartridge is removed, according to another preferred embodiment of the present invention, a check valve 428 is provided at the vent hole 4 丨 4, see FIG. η. A stopper 424 with an opening 426 is welded to the valve body cavity 422. A cylindrical valve block 428 with a chute 430 is placed in the valve body cavity 422. The chute 430 gradually narrows from the A end to the B end of the valve block 428. , As shown in Figures 12A-B. The size of the A end of the valve block 428 is larger than the diameter at the vent hole 414, and the size of the B end of the valve block 428 is smaller than the diameter of the opening 426 of the valve body cavity 422. This can not only keep the ink storage chamber open to the outside air, but also ensure that When the print head is removed, the valve block 4 2 8 can block the passage.

Page 21 592987 SS—90106391 V. Description of the invention (18) Λ: __ Ά Correction Air hole 4 1 4 to prevent ink leakage. It can be understood that if a one-way valve body 428 is provided on the ventilating surface 414 of the present invention to prevent ink leakage, the present invention also particularly needs to provide an ink filling process hole 44 at the wall 410 of the box body, and use a plug 438 Tucked in, as shown in Figure η. If it is necessary to reuse the ink cartridge device 40 of the present invention, the filling operation can be conveniently performed by removing the plug 438. , 13 show another preferred embodiment of the one-way valve body 428 for preventing leakage, which is provided at the vent hole 414 according to the present invention. For an enlarged schematic diagram, please refer to FIG. 14. In this preferred embodiment, the one-way valve block 4 2 8 is provided as a spherical valve block, which is supported by a spring piece 434 fixed in the valve body cavity 422. The spring piece 434 is provided with a through hole 432, which enables the air hole 414 and the Ink storage chamber ^ The air is clear. Fig. 15 is another preferred embodiment of the present invention. The bottom wall of the ink cartridge 406 is provided with an inclination angle, and is inclined toward the ink outlet 404, so as to “lead” the ink toward the ink outlet. The valve body 30 and the valve body sealing device 340 are placed in the depression 408. A step 442 is formed on the side wall, a flange 344 is provided at the top of the valve body sealing device, and the flange 344 is adapted to be fixed to the step 442.

The U-shaped official 422 is made of stainless steel. One end is connected to the ventilation hole 414, and the other end extends into the ink and bends to expose the liquid surface. It abuts on the surface cover 41 and fixes the groove formed by the dog to the inner side of the ink. 4 6 inner walls. A circular groove 444 is formed near the bottom wall of the recess 408 near the ink outlet. The metal filter 56 is welded to the bottom wall of the circular groove 444 by ultrasonic welding to prevent air bubbles or other impurities from entering the ink outlet 404. One-piece seal 52 with stopper 52 6 is sealed at the ink outlet 404

Page 22 592987 _ Case No. 90106 such as 1 V. Description of the invention (19) 20 0, ~ Ojnm water column, preferably in -30 ~ -15o. Water column. The wide body rubber material is 25 to 65 degrees, preferably 30 to 55 degrees. Optional rubber materials include silicone, styrene-butadiene rubber, butyl rubber, neoprene, polyurethane rubber, and olefin rubber. In order to fully understand the present invention, the following further describes the present invention with reference to the accompanying drawings. Referring to FIG. 16B, the ball fixing cap 49o has a bowl shape with a cavity 494, has a circular shoulder 492, and a through hole 496 is formed in the middle. Referring to FIGS. 16A, 16C, and 16D, the vent hole 414 is provided in the middle of the top cover 41o of the ink cartridge 40, and the sphere fixing cap 49o is sleeved on the outer wall of the vent = 414 through its cavity, and the hollow sphere 45o passes Its opening 452 is sleeved on the ball, the shoulder 492 of the fixed cap 490, the through hole 4 96 of the ball fixed cap 490 is connected to the through and the hole 4 14 /, forming an extension of the vent hole 414, and the side wall of the ball 45 + A needle with a diameter of 0.12mm is punctured with a microhole 454, the diameter of the sphere opening 452 is 6¾ meters, the volume of the sphere is 1.8ml, the wall thickness of the sphere is 0.01mm, and the one-way valve body 330 is arranged adjacent to the ink chamber. At the ink port 404, the valve body sealing cover 340 seals the opening of the one-way valve body 33o. The valve body sealing cover is provided with three notches 418 for the ink to flow from the ink chamber into the valve body chamber at the lower end of the valve body 33. That is, the ink introduction chamber 412 is filtered by the filter screen 56 to be supplied to the ink outlet 404. The bottom wall 406 of the ink cartridge 400 is provided with two ink guide grooves 47Q for protecting the ink outlet. Sufficient ink, especially when the sphere is fully inflated ^ The bottom wall of the sphere is in contact with the bottom of the ink cartridge, which may hinder the ink supply, Ink guide tank 47 0 can play a good role in guiding the ink, ensuring sufficient ink supply at the ink outlet. In order to facilitate the filling of ink into the ink chamber, ... ^ Page 23 592987 V. Description of the invention (20) A seal ring 52 is provided at the / ink port 404 away from the cover 410, (a stopper 526 is integrally provided in the middle of the seal ring 52, and when printing, printing The needle is ready to come out.) The stopper 526 is pushed up, and the ink is smoothly inflated by the printing needle. 5 5: Working shape. 'With the continuous discharge of ink, the sphere replenishes the gas one by one :: At the same time, the micro-holes on the side wall of the sphere are opened, smooth; print stop "Zhang Π = balance, to ensure that G = stop ink from flowing into the sphere ... the micro-holes are air-closed to a certain degree and Γ is changed when the ambient temperature changes The ^ Γ 2 ％% expansion in the ink chamber, due to the scalability of the sphere, these pressures are balanced! The gas in the swollen sphere is squeezed out to maintain the occurrence of ink in the ink chamber; in particular, When ink is used, or the remaining amount is high due to other reasons, the inversion occurs with ^ ΗΗ * ^ 〇 月 b S, at this time Ambient temperature rises in air, == volume is calculated in Ηml, even if the ink cavity is all the original gas volume, when the temperature rises by 30 degrees, the gas expansion part expands to ι, .4 ancient 弁 0, so the environment When the temperature rises, when the gas is maximized: inside the ball pen cavity: the expansion volume of the body is 1.8 ml, so the temperature changes the gas expansion volume 2: the mouth yj to offset the body extrusion caused by the temperature increase, thereby ensuring the The inflated gas will generate gas in the sphere cavity. "The pressure in the ink cavity is balanced to prevent ink leakage.

592987

The supply of this embodiment is still inclined to the bottom wall 406 toward the ink outlet 404. When the sphere 456 is enlarged, it may block the hole 418 on the sealing cover 340 and cause poor ink supply. Therefore, in order to keep the hollow sphere 45 6 ′ to prevent it from swinging, the present invention is provided on the bottom wall 4 There are protrusions 409 and side spheres 4 5 6. In particular, according to the present invention, irregular labyrinth-like air holes 484, 485, and 486 provided on the wall portion 41 of the box body communicate with the air hole 414 and the outside air, respectively. During work, the direction of air replenishment is: air flows from air holes 486 to holes 484, and then flows into air sphere 456 through air channels 485. The air guide holes 484 — 486 — are partially provided on the surface of the box body, so the upper and lower surfaces of the irregular air guide holes 484, 485, and 486 are sealed by air guide membranes 491 and 495, respectively, for easy transportation, as shown in FIG. 16F. Before work, the air-conducting film 495 is peeled off, and it will be peeled off together with the film 82 covering the ink outlet. More preferably, a circular groove 40 5 is provided on a crotch portion of the box body 400 that cooperates with the sealing member 52, and the supporting portion 5 2 0 of the sealing member is provided with the groove. The inner groove wall 4 0 7 of 4 0 5 abuts against the top surface 5 2 4 of the seal ring portion, and is used for strengthening rigidity to facilitate piercing. In this embodiment, a filling operation process is also considered. The wall portion of the ink outlet is provided with a suction hole 470, which communicates with the upper body of the seal and is sealed with a rubber plug 472. Fig. 17 shows another preferred embodiment of the leak-proof device according to the present invention. The anti-scratch device is a film bag-shaped body 480, which is composed of an elastic material and is fast-connected to the top cover 410 of the ink cartridge 400 through a bag opening 481 thereof. The bottom of the film bag-shaped body 480 is provided with 〆 micro-holes 4 84. The working principle of the ink cartridge and the working principle of preventing ink leakage in this embodiment are the same as those in the embodiment shown in Fig. 16A.

Page 25 592987 Case No. 90601639 V. Description of the invention (22) Figures 8A and 18B are another embodiment of the present invention. The same reference numerals are used to designate the same components as those marked in FIG. 16A. The plastic bag 46 is made of a non-elastic material and has an organ shape. The plastic bag 460 is fixedly connected to the ink tank top cover 410 through its opening 462. The ink filling hole 44 is provided on the side wall of the box body 400, and the plug 438 is used to seal the ink filling hole 440 after the ink is filled. When the ink cartridge is in operation, the ink is discharged from the ink outlet 404 and the air continuously enters the plastic bag 460 from the vent hole 414, so that it gradually extends until the folded portion 464 is fully opened. The organ-shaped plastic bag 460 has a plurality of folded portions 464 for increasing the elasticity of the bag 460. The opening 462 of the organ-shaped plastic bag 460 has a rectangular shape, with a length of 47 mm and a width of 14 mm '. See FIG. 18C. If the ink is not printed after the fold is completely opened, printing is continued, and additional pressure is needed to keep the pressure in the ink chamber balanced. A cutout 468 can be made in the bottom wall of the bag body 460. The working principle of the ink cartridge and the principle of preventing ink leakage in this embodiment are the same as the embodiment shown in FIG. 6A. 19A to 19E are other preferred embodiments of the seal at the ink outlet. In Fig. 19, after the plastic film 64 is welded to a plastic ring 66, it is placed between two π π ring 62 to ensure that the plastic film 64 and the sealing ring 62 are firmly connected. In Fig. 19B, the plastic film 68 is sealed to the outside of the ink outlet adjacent to the printing needle. In Fig. 19C, a wedge-shaped elastic seal 70 with a diaphragm 72 is placed at the ink outlet 60. In Fig. 19D, the sealing member 74 has a lid shape. In FIG. 19E, a steel ring 7 8 is added to the cap-shaped sealing member 7 6 to increase the rigidity of the sealing member and facilitate the penetration of the printing needle. But better still, the present invention also specially designs a sealing member 52 which is closely matched with the ink outlet (not shown) of the ink cartridge device, as shown in FIG. 20α, for sealing the ink outlet and keeping the ink . The sealing member 52 is first made of an elastic material, and the material stone is 30 to 500, which includes an integral molding device.

Page 26

592987 ～ ^ ------ 90106391__year month day Article _ V. Description of the invention (23)

The following part of the leaf: a ring-shaped support portion 52 with a cavity 52 2 inside, the outer wall of which closely cooperates with the ink outlet of the ink cartridge; a seal ring portion 524 that bulges from the support portion 520 to the inner cavity; a A stopper 526 provided at the central portion basically cooperates with the seal ring portion 524 formed by the bulge; and a connecting portion 528 surrounds between the seal ring portion 524 and the stopper 526. It should be understood that the thickness and width of the connecting portion 528 should be much smaller than the thickness and width of the stopper 526 to ensure that the stopper 5 2 6 can be broken in time when an ink supply needle (not shown) is inserted. It can be seen that, on the one hand, the sealing member 52 of the present invention needs to ensure that the weight 526 can withstand a certain pressure, such as the pressure from the ink held or the pressure caused by an accident. On the other hand, the connecting portion 5 28 Easy to break. Therefore, the optimal value of the width of the connection portion 528 of the present invention should be 〇 ~ 〇3mm; and the optimal value of its thickness should be 0.15 ~ 〇. 4_. In this preferred embodiment of the present invention, the seal ring portion 5 2 4 is vertically raised from the support portion 52 0, that is, the top surface 525 is flush with the bottom surface 525. It is obvious that when the ink supply needle 50 of the printer is inserted from the cavity 522, the connecting portion 528 will be broken first, thereby pushing up the stopper 5 26, as shown in FIG. 2β 2 7 ❿ =. Since the seal member 52 needs to hold ink in the use state, the inner wall of the seal ring portion 524 and the ink supply needle 20 should be closely fitted. Therefore, the width of the stopper 526 should be substantially the same as the width of the printing pin 50, which is slightly smaller than the width of the printing pin 50. In the first preferred χ example of the present invention, the 'playing block 526 is a spherical crown shape, and the bottom thereof is set to be a flat surface or a concave surface, which ensures that the printing needle 50 and the stopper 526 are in stable contact, thereby facilitating the printing needle 50. The seed block 5 2 6 is separated from the seal ring portion 5 2 8.

Page 592 987

V. Description of the invention (24) Cylinder. When the printing pin 50 is inserted, it is easy to separate from the sealing ring portion 524, as shown in FIG. 21 β >: The stopper 526 is designed as a cover with a fixed thickness, as shown in the figure; The stopper may be special, in order to enable the stopper 526 to '^ further set / detach the top surface 525 of the seal ring portion 524 ^ The retracted building portion 520 of the present invention is inclined toward the center portion, as shown in FIG. 22 The angle of the pre-warrior from the top surface 525 should not prevent the block 526 from turning over. The angle of the basin is 30 to 45 °. The central angle of the water surface is preferably further. The present invention has a sufficient thickness to be separated from the seal ring portion 524 and cannot block the printing of Indra 4526 due to the cooperation. Therefore, the connection portion =: the top of the seal ring. , As shown in Figures 20 to 24. When the thickness of the mounting portion 524, it is Γ5 ~ = When the thickness of the connecting portion 528 is much smaller than the thick portion 528 of the stopper 526, one can be better °, so ' -Body design This connection shell is more useful if it is from column g 4. For example, the connection part 528 will be completely broken ^ ^ 4/10 50 thrust slightly larger than the ring part 524. It also breaks, so the stopper Completely with the seal However, 'the further ring portion 524 of the connection portion of the present invention is designed to have different adhesion sounds, and the best example is to use the same seal, as shown in Figure 23B. 在 今 ： 眚 # In the example, the thickness of the connecting portion 528 of the present invention is opposite to the thickness of the connecting portion 528 :: =; ::: 529, which is equal to two.

The degree I of the portion 529 is 0.15 to n g. ί = The thickness of this thinnest ---- 10 U · 25mm, and the thickest part 529,

Page 28 said amendments ^ ----- 9Q1QR ^ qi V. Invention ⑽ ~ Between 0.3 ~ 0.4mm The numbers will be different: two pairs: different models of printers from different manufacturers, their participation In order to meet this demand, the present invention specially design supports 2 所示 'show' and the wall part ... can be basically consistent with the degree of the Ministry of Cultural Protection. I, Ϊ ΪIΪ 'The seal of the present invention takes into account the sealing requirements in various states, such as assembly or transportation, non-use state and printing factor, because Removed = ink out: seal the sealing film, and overcome the defect that the seal of the V τ 'film is not easily penetrated by the printing needle. Moreover, in order to further prevent the occurrence of an unexpected situation, the present invention uses a packing seal 96 for covering the air vent 414 of the ink cartridge, and simultaneously covers the ink outlet 404 along the outside of the box, as another seal insurance in the non-printing state. Measures. For example, when the vent holes 4 1 4 and the ink outlet 4 04 are at opposite corners of the box, the packaging seal 96 can cover the ink outlet 4 0 along any side, as shown in Figure 2 5 a. No; and when the vent hole 414 and the ink outlet 404 are respectively on the same side of the box body, the packaging seal 96 may cover the ink outlet 404 along the front or the back, as shown in FIG. 2 5B. With the embodiments of the present invention, the ink filling operation can be conveniently implemented. Fig. 26 is a schematic diagram showing the use of positive pressure filling, and please refer to the ink cartridge device 400 of the present invention shown in Fig. 6E. First, the ink is stored in a container 618. The container 618 is connected to a liquid pump 614 through an ink guide tube 616, and the other end of the liquid pump 6 1 4 and the ink filling hole of the ink cartridge 4 are passed through an ink injection tube 6 1 0 connection, a flow meter 6 1 2 is set in the middle of the ink injection tube 6 1 0 for measuring ink

I

Page 592 987

The amount of ink. When the ink chamber is filled to a preset volume, stop the ink filling. Then use a needle 604 to insert the suction hole 470, and the other end of the needle 604 is connected to the air pump 602 through a hose 606. A liquid-gas separation device is provided at the connection part of the hose 606 and the needle 604. 608. The air in the ink introduction chamber 412 is drawn out. At this time, a pressure difference is formed between the valve body 30 up and down, the valve body 30 is separated from the valve body sealing cover 340, and the ink in the ink chamber 402 is drawn out through the valve body. The sealing cover 340 fills the ink introduction chamber 412 through the support head through hole 3 32 of the valve body 30, and the ink in the ink introduction chamber 412 is blocked by a seal ring 52 provided at the ink outlet 404 and a body thereof. The block 526 is sealed, and the sealing plug 438 is plugged into the ink filling hole 440 to complete the ink filling.

In this embodiment, it is also possible to inject the ink cartridge 400 upside down. Referring to Figure 27, there is shown an embodiment of inverted ink filling. The ink is sealedly connected to the ink cartridge 400 through a conduit 616. A flow meter 6 1 2 'is provided in the middle of the conduit 616 to control the amount of ink filled. At the suction hole 47 of the ink cartridge 400, a rubber needle 472 is inserted with a needle with a catheter 60 6 so that the catheter is in communication with the ink introduction chamber 412 of the ink cartridge 400. The other end of the pipe is connected to a gas pump 602, and a gas-liquid separation device 608 is provided in the pipe 606 at the same time. When the gas pump starts working, the gas in the ink introduction chamber 41 2 in the ink cartridge 40 0 is sucked out, the pressure difference between the upper and lower sides of the valve body 30 changes, the valve body 30 is opened, and the gas in the ink chamber 402 in the ink cartridge is also Correspondingly, the ink is also sucked into the ink chamber 402 accordingly. Because the ink cartridge 400 is inverted, the ink in the ink chamber 402 is quickly introduced into the ink introduction chamber, so that the ink introduction chamber is filled with ink. When the ink capacity reaches the expected capacity, stop filling. In this embodiment, the ink cartridge may also be placed on its side, and the ink filling steps are the same as above.

Page 30 592987 Case number 901063Q1 V. Description of the invention (27)

On, the ink cartridge is in a working state. As the ink enters the sphere cavity 456, the sphere expands to discharge, and the air continuously opens the micropores 454 to replenish the gas to the ink cartridge: the body; At the time, ', the force i, ΛΑ Hg ^ ea ^ in the temple ink I, the opened micropores can effectively prevent the ink from flowing into the cavity of the sphere, and played a one-way reading. Selectively make the hole open or close according to printing needs; in particular, when the ink cartridge is put in a trash can after inadvertent use, or it is inadvertently placed on the office table, it may be closed = set: like, $ When the temperature increases, the gas in the ink chamber will expand due to the temperature increase. Due to the scalability of the sphere, these expanded gases will squeeze out the gas in the expanded sphere to maintain the pressure balance in the ink chamber. There will be no ink leakage. If according to the embodiment 7 shown in FIG. 7A of the present invention, when the diameter of the foot portion 310 is less than iimm, the volume of the ink introduction cavity 412 formed between the valve body 30 and the seal ring 52 is less than 0.4 cubic millimeters. There is no need to reserve ink in the ink chamber 41 2. This part of the air in the ink introduction chamber 412 can be eliminated when the printing device is cleaned, so that no air bubbles are generated during printing. In this embodiment, the maximum diameter of the valve body supporting leg portion 3 10 is designed to be 9 mm. Accordingly, there is no need to reserve ink in the ink introduction chamber, and no ink introduction hole needs to be provided in the wall portion of the ink outlet. The ink filling port 4 4 0 may be provided on the cover 41 0. Accordingly, when the ink is filled, there is no need for a suction step '(see FIG. 28). The container 618 is connected to a liquid system 614 through an ink guide tube 616. The other end of the liquid pump 614 is connected to the ink filling hole of the ink cartridge 400 through an ink injection tube 6 1 0, and an ink injection tube 6 is provided in the middle. Flow meter 6 1 2 is used to measure the amount of ink filled. During the ink filling, the ink is directly poured from the ink filling port 440 into the ink cavity 402, and the "ink" is destroyed by positive pressure.

Page 31 592987 -----― Case No. 90106391 _Year Month Date _ Amendment __ V. Description of the Invention (28) The meniscus formed by the liquid at the ink filling port 440, and the gas in the ink cavity 402 passes through the vent hole 4 1 4 discharge. To prevent the ink from leaking out of the vent hole, a hose 42 is connected to the vent hole 414. When the ink chamber is filled to the preset valley 1, stop the ink filling and seal the ink filling port 4 4 0 with a rubber plug 4 3 8. When the ink cartridge is in operation, the ink is supported by the ink chamber 402 through the valve body to support the head 33 0 and flows through the filter screen 56 ′ through the ink introduction chamber 412 into the printing needle 50 of the inkjet recording device to perform 歹 ij E 卩. Not only that, 'the method using the ink cartridge device of the present invention can also be applied to the negative pressure filling method' is still combined with the embodiment shown in FIG. 6E, and referring to FIG. 29, it is not intended. When filling ink, first place the assembled ink cartridge 40 0 upright or side on the ink filling port 4 4 0 of the ink cartridge cover. Sealedly insert an ink injection needle 506. The other end of the main ink needle 506 is connected to an ink guide tube. 508. The ink guide tube 508 is connected to the j water backup device 502. The liquid level of the ink container 502 may be higher than the ink cartridge, or may be lower than the level of the ink cartridge 400. An air hole 470 is opened on the side wall of the ink outlet 404, and a sealing plug 472 is sealed in the air suction hole 470. One end of the # 气 ^ 针 534 is inserted into the sealing plug 4 72, and the other end is connected by an electromagnetic three-liquid Λ separation device 580. The other end of the gas-liquid separation device 580 is connected to the vacuum pump 590. At the beginning of the ink filling, press μ / 门 μ Ί to seal the cover of the ink cartridge 40 0, and take the same day, turn on the vacuum pump byu switch, i 7 0 0 ^ 75〇mpa a ^ 56tVf ^^ ^ ^ ^ ^, ... Table 57 ° reached --- the solenoid valve 540 is closed and the solenoid valve 520 is turned on. due to

Page 520 is closed. At this time, the ink = two works, the solenoid valve 540 is turned on, and the change in the pressure difference between the upper and lower solenoid valves 30 is removed. The air in the valve body is also drawn out. The H30 is opened, and the valve body is opened. 3〇 The upper cavity of the cartridge is micro-holes, so when platooning, the wall of the sphere is tied with 592987

Μ means that the ink is modified, and the body is negative, so the ink is sucked from the ink chamber 502 to the ink cartridge 400 2 f Ϊ 5 2 Ρ, and the ink in the ink cartridge is continuously increased, and the valve body 30 up and down ^ > The second change occurs. The ink in the lower part of the valve body 30 is still negative 70 0 ~ 750mpa, and the pressure in the front liquid chamber will also be: the power of the ink: the increase of liquid in the cavity, the black ink in the upper part of the valve body 30 When the value of Taijiu entrance w 9 reaches a threshold value, the carcass 30 is opened, the meat carp eggs / in the ink-drawing chamber at the lower end of the carcass are filled quickly because of the ink-drawing chamber at the lower end of the carcass 30. The ink is almost opened in the phase L of the valve body 30, that is, the main dragon_30 is closed by its own elasticity, and the ink in the upper part of the valve body 30 is also full, and the ink filling process is completed. As soon as it was ancient, 'Month, one end of the real watch 570 was connected to the vacuum pump 590, and the other was directly connected to the solenoid valve 540. When the volume of the direct air meter reached 70 0 ~ 750mpa, the electromagnetic ης / ΐη closed „ In Tian Bagong's watch, the valve was closed, and the suction needle 534 was pulled out from the suction hole, and the earth. After that, the solenoid valve 520 was turned on. One phase I row 3 歹 声 歹, J 针 针 (not shown) ) Push the block 52 6 of the seal ring 52 to one side. "Mo Ying is in working state. P left breaks into the cavity of the sphere 456, the sphere. The body hole 454" V: break exhaust "air does not open the micro hole 454, When the gas = charge :::: volume, the side wall of the sphere is balanced in force to ensure smooth printing. Yan Guang sphere 456 itself is elastically closed and sealed. T has two open micro holes 454 according to the sphere. ~ ^ Closed, you can have It should be understood that while preventing the ink from flowing in, although the present invention is described by the preferred embodiment as described above, according to the technical solution of the present invention, there can be various types of technical personnel skilled in the art without departing from the spirit of the present invention. All changes and modifications should belong to the scope of the appended claims.

P.33 592987 Case No. 90106391 Amendment V. Description of the Invention (30) Industrial Applicability The ink cartridge device of the present invention mainly uses a one-way valve body to hold and control the ink, thereby improving the use of the ink. At the same time, the use of the valve body further reduces the cost and facilitates the ink filling process, which greatly improves the production efficiency.

Page 592987 Simple Illustration

1 is a cross-sectional view of a prior art ink cartridge device, showing a porous body structure provided in an ink storage chamber for controlling ink discharge; FIG. 2 is a cross-sectional view of another prior art ink cartridge device, showing a single The structure for holding the ink to the valve body; FIG. 3A shows a prior art ink cartridge device, showing a sealing ring with a leaking through hole, and a sealing film covering the ink outlet; Shown is another prior art ink cartridge device, in which a ηΟπ-shaped ring is densely covered with a sealing film at the ink outlet; ... FIG. 3C shows another prior art ink cartridge device in which the dense is sealed by a diaphragm formed in the middle Ink; 疋 Figure 4 shows an ink cartridge device that holds and controls ink with a porous body, and the remaining between the porous body and the ink storage chamber after the ink is filled is "'μ Figure 5 f shows Figure 4 Schematic diagram of the filling process of the illustrated ink cartridge device; Figure 6 is a longitudinal cross-sectional view of a one-way valve body according to the present invention, showing a stepped valve body that can be compressed from a shoulder; Figure 7 A is a comparison of the present invention A sectional view of an ink cartridge device of a preferred embodiment, The one-way valve body which is suitable to be placed in the ink storage chamber is sealed by a wide body fixed on the cavity wall. FIG. 7B is a schematic diagram of the working state of the ink cartridge device shown in FIG. 7A. The through hole is separated from the sealing device; FIG. 8 is a sectional view of the ink cartridge device according to another preferred embodiment of the present invention, in which a resilient valve body is directed upwardly against the one-way valve body for accelerating the valve weight setting; FIG. 9 is another preferred embodiment of the present invention. A cross-sectional view of the ink cartridge device of the embodiment, showing a cylinder and a valve body sealing device with a through hole to fix the valve body;

592987 Case No. 90106391 Brief description of modified drawing Figure 10 is a sectional view of an ink cartridge device according to another preferred embodiment of the present invention, showing a cylindrical protrusion integrally formed on the top wall of the ink storage chamber to seal the valve body and the valve body Fixed, a sponge body is provided at the vent hole to prevent ink leakage; FIG. 11 is a cross-sectional view of an ink cartridge device according to another preferred embodiment of the present invention, showing a round valve body device provided at the vent hole to prevent ink leakage; 1 2 A is an enlarged sectional view of the cylindrical valve body device shown in FIG. 11; FIG. 1 2B is a sectional view of the cylindrical valve body in the cylindrical valve body device shown in FIG. 11; < 1 FIG. 13 is the present invention A cross-sectional view of another preferred embodiment of the ink cartridge device, showing a spherical valve body device provided at the vent hole to prevent ink leakage; FIG. 14 is an enlarged sectional view of the spherical valve body device shown in FIG. 13; FIG. A cross-sectional view of an ink cartridge device according to another preferred embodiment of the present invention, which shows that the bottom wall of the ink cartridge is inclined toward the ink outlet to ensure sufficient ink supply; FIG. 16 A 疋 A cross-sectional view of an ink cartridge device according to another preferred embodiment of the present invention, Out of the ball The ink guide groove provided on the bottom wall of the ink cartridge of the leakage prevention device; FIG. 16B is a structural sectional view of the spherical fixing cap of the leakage prevention device shown in FIG. 16A, the fixing cap is a hemisphere; FIG. 16C is the leakage prevention shown in FIG. 16A 16D is a schematic top view of the leak-proof device shown in FIG. 16C; FIG. 16E is a cross-sectional view of a preferred embodiment of the ink cartridge of the present invention using the leak-proof device shown in FIG. 16C, and a protrusion is provided on the bottom wall FIG. 16F is a top view of the ink cartridge shown in FIG. 16E, wherein the top is covered with a gas-permeable membrane. The leak-proof device is fixed and an irregular labyrinth is provided on the top wall.

Page 592 987 Correction

Case No. 9010630j__ BRIEF DESCRIPTION OF THE DRAWINGS FIG. 17 is a cross-sectional view of the preferred embodiment of the ink cartridge device of the present invention, with the leak-proof device in the middle and the bagless part; FIG. 18A is the cartridge installation of the present invention A cross-sectional view of yet another preferred embodiment of A Φ p ^ r ^ m H, fc, wherein the leakage preventing device 疋 a non-elastic bag-like member; FIG. 18B is the embodiment shown in FIG. Schematic diagram of the use of 'where the folded layer diagram T is FIG. 18A: a top view of the bag-like member, showing the slits at the bottom of the member; Figures 19A-E are other preferential implementations of the seal structure of the ink outlet of FIG. 15 Fig. 20A is an example of the present invention applied to an ink cartridge device, showing that the seal ring crown stopper suitable from the ancient seal ΑΓΤ, and then to the raised seal ring is suitable. ； FIG. 20B shows a schematic view of the seal shown in FIG. 20A when it is passed by the ink supply needle, and FIG. 21A shows another embodiment of the stopper of the present invention, showing Until the raised sealing ring part is fitted with a cylindrical stop; FIG. 21B shows the position shown in FIG. 21A. FIG. 22 shows another preferred embodiment of the seal ring portion of the present invention, in which the top surface of the seal ring portion is inclined from the support portion toward the center, It is used to facilitate the disengagement of the stopper from the ❶ connecting portion; FIG. 23A shows a preferred embodiment of the connecting portion integrally provided on the seal according to the present invention, wherein the connecting portion has a uniform thickness; FIG. 23B shows Another preferred embodiment of the connection portion of the present invention, the connection

P.37 592987 _Case No. 90106391_ 年月 日 __ The diagram simply illustrates that the joint gradually thickens from the thinnest part, which is used to ensure that the stopper of the present invention is partially connected by the ink supply needle-like body passing through Fig. 24 shows another preferred embodiment of the seal of the present invention, wherein a vertical wall adapted to the ink supply needle is provided on the seal ring portion; Fig. 25A ~ 25B shows a perspective view of the ink cartridge device of the present invention, showing a packaging film that simultaneously seals the air vent and the ink outlet; FIG. 26 shows the use of a positive pressure method to fill the ink cartridge device of the present invention with ink A schematic diagram of the principle of an embodiment, in which the ink injection port of the ink cartridge device is set upward; FIG. 27 shows a schematic diagram of the principle of another embodiment of filling the ink cartridge device of the present invention with a positive pressure method, wherein the ink cartridge device The ink injection port is sealed and set downward; Fig. 2 8 shows the principle of another embodiment of filling ink into the ink cartridge device of the present invention by using a positive pressure method. When the ink introduction chamber of the ink cartridge device is sufficiently small, it can be saved. Negative pressure extraction operation; Figure 2 9 A method using a negative pressure is refilled to an ink container unit according to the present invention is a principle schematic of an embodiment.

Page 38

Claims (1)

592987 _Case No. 9Q106391_ 年月 日 __ VI. Scope of Patent Application 1. An ink cartridge device provided in a printer device includes a box body with at least one cavity therein for storing ink, wherein the box The body includes at least one vent hole for communicating the cavity with the atmosphere; at least one ink outlet port provided on a wall portion for communicating with a printing needle of a printer device; and at least one seal member, sealing Blocking the ink outlet for holding ink; and at least one one-way valve body for controlling ink flow, characterized in that the at least one one-way valve body is disposed inside the at least one cavity, and A support leg is integrally provided, and is in sealing contact with the cavity wall of the at least one ink outlet; a support wall is raised from the inside of the support leg; a support shoulder is bent inward from the support wall; A support head, which bulges from the support shoulder and penetrates a central through hole; and the ink cartridge device further includes a valve body sealing device for plugging the central through hole of the support head. 2. The ink cartridge device according to item 1 of the scope of patent application, wherein the support wall portion is inclined and bulged upward from the support leg portion. 3. The ink cartridge device according to item 1 of the scope of patent application, wherein the supporting shoulder portion bent inward from the inclined wall portion is recessed downward to form a concave surface portion. 4. The ink cartridge device according to item 1 of the scope of patent application, wherein the support Page 39 592987 ------- Case No. 90106311 Car Moon Day 倏 正 _ VI. Patent Application ΐ " — 一 " 'The support head tilts up from the support shoulder. 5. The ink cartridge device as described in item 4 of the patent scope, wherein the central through hole in the head of the tower is a tapered through hole. 6. The ink cartridge device according to claim 5, wherein the inclination angle of the support head is greater than the inclination angle of the support wall portion. 7. The ink cartridge device according to item 1 of the scope of patent application, wherein the thickness of the support leg portion is greater than the wall thickness of the support head portion; the wall thickness of the support head portion is greater than the wall thickness of the support shoulder portion. 8. The ink cartridge device according to item 7 of the scope of patent application, wherein a wall portion communicating with the at least one ink outlet is provided with at least one recessed portion for placing the valve body. f 9. The ink cartridge device according to item 8 of the scope of patent application, wherein a filter device is provided on the bottom wall of the recessed wall portion to filter impurities in the ink. 10. The ink cartridge device according to item 1 of the scope of patent application, wherein the valve body sealing device presses down the support head portion of the one-way valve body to make the valve body in a compressed state. 11. The ink cartridge device according to item 1 of the scope of patent application, wherein an ink leakage preventing device is provided at the vent hole. 1 2. The ink cartridge device according to item 11 of the scope of the patent application, wherein the ink leakage prevention device of 4 is provided by the vent hole wall protruding toward the ink storage chamber. 1 3. The ink cartridge device according to item 11 of the scope of the patent application, wherein the ink leakage prevention device is a convex projection of the vent hole inwardly connected with a bend Page 40 592987 --- Case No. Qflinfi 叩 1 _ ^^-§- /, 'The scope of patent application, one end of which is connected to the vent, and the other end is exposed.出 出 液 14 4. The ink cartridge device according to item 11 of the scope of patent application, wherein the ink leakage prevention device is a bag-shaped member provided in the mystery and includes an open end of the ink chamber for communicating with The vent hole is in communication; and a micro hole is provided in the wall portion of the bag-shaped member. 15. The ink cartridge device according to item 14 of the scope of the patent application, wherein the garment-shaped member of φ 叱, T body juice is a hollow sphere. 16. The ink cartridge device according to item 15 of the scope of the patent application, wherein the β escape vents in a and lower body have a protrusion toward the ink storage cavity and include a fixing cap, which is set in a bowl shape. A cavity for fixing the open end of the bag-like member to the outer edge of the raised phase; a through hole provided at the bottom and aligned with the air hole; and A shoulder portion is used to be sleeved with the open end of the bag-shaped member. .1 7. The ink cartridge device according to item 15 of the scope of patent application, wherein the bottom wall of the ink storage chamber is disposed obliquely toward the ink outlet. 18. The ink cartridge device according to item 17 of the scope of patent application, wherein at least one ink guide groove is provided on the bottom wall to ensure ink supply. i 9. The ink cartridge device according to item 18 of the scope of patent application, wherein a protrusion is provided on the bottom wall to abut the bag-shaped member. 20. The ink cartridge device according to item 19 of the scope of the patent application, wherein the open end of the bag-shaped member is a box body where the vent hole is located. VI, Shen 21 22 23 24 25 26 27 28 ^ I No. 9mnm91 Patent scope The opening of the wall part is equivalent to the wall part of the ink holding cavity. An ink cartridge device as described in claim 20, wherein said bag-like member has a plurality of laminations. The ink cartridge device according to claim 14 of the scope of patent application, wherein the vent hole is the same as the outside air through an irregular air hole provided on a wall portion of the case body. The ink cartridge device according to item 22 of the scope of patent application, wherein a part of the air guide hole is provided on the surface of the cartridge. The ink cartridge device according to item 23 of the scope of the patent application, wherein the air hole provided on the surface of the box body is covered with a gas guide film. The ink cartridge device according to item 11 of the scope of patent application, wherein a wall portion of the box body is further provided with a through hole for ink injection, communicates with the healthy ink cavity, and seals the bet with a plug cap. The ink cartridge device according to item 1 of the scope of patent application, wherein the seal is provided inside the ink outlet and is integrally provided with a support portion having a cavity inside and a wall of the ink outlet ~ The seal ring portion is bulged inward from the branch # portion; a stopper cooperates with the seal ring portion formed by the bulge; and ~ the connecting portion surrounds the seal ring portion and the Between the stoppers is used to ensure that the stoppers break when the stoppers are subjected to a predetermined pressure. The ink cartridge device according to item 26 of the scope of patent application, wherein the top surface of the blanket and the seal ring portion is inclined from the support portion toward the center. The ink cartridge device according to item 26 of the patent application scope, wherein the 592987 ____90106391 6. The scope of the patent application for the box body is provided with a circular groove on the wall portion that cooperates with the seal, and the support portion of the seal is provided, and the inner groove wall of the groove abuts against the seal. The top surface of the seal ring part is used to strengthen the rigidity. 29. The ink cartridge device according to item 26 of the scope of patent application, wherein the connecting portions have different thicknesses. 30. The ink cartridge device according to item 29 of the scope of patent application, wherein the thickness of the connecting portion increases from a part of the ring portion to the opposite side. 3 1. The ink cartridge device according to item 1 of the scope of patent application, wherein the wall portion of the ink outlet is provided with a suction hole, which communicates with the upper cavity of the seal, and is sealed with a rubber plug. 3 2. A one-way valve body for controlling the flow of ink, characterized in that the valve body includes a support leg portion; a support wall portion which bulges from the inside of the support leg portion; a support shoulder portion from the support The wall portion is configured to be curved inwardly, and a support head is raised from the support shoulder and penetrates / center 33 and Ϊ ′. The valve body according to item 32 of the application for a patent, wherein the support shoulder bent inward from the support hair portion is recessed downward to form a male face. The valve body according to Item 32 of the Dou Fan Patent, wherein the support 35 and the support shoulder are inclined and bulged. A Please refer to the valve body described in Item 32 of the Patent Fan Garden, wherein the support 592987 _ Case No. 90106391_ year month ___ Six, the thickness of the foot of the patent application scope is greater than the wall thickness of the support head; the support The wall thickness of the head is greater than the wall thickness of the support shoulder. 36. A filling method for an ink cartridge device according to item 1 of the scope of patent application, characterized in that it comprises the following steps: a) sealing the ink cartridge device; b) injecting ink into the ink cartridge An ink injection needle is inserted into the mouth; c) a pressure source is used to suck out the gas in the ink introduction chamber of the ink cartridge and the cavity of the cartridge body, so that a negative pressure is formed in the cavity; d) injected into the ink cartridge cavity A predetermined amount of ink. 37. The method according to item 36 of the scope of patent application, wherein step c) includes the following processes: e) The side wall of the ink introduction cavity formed by the one-way valve body and the seal is penetrated through A suction hole; f) insert a suction needle into the suction hole. 38. The method according to item 37 of the scope of patent application, further comprising the following treatments: g) When the gas in the box body reaches a predetermined amount, the suction needle is pulled out from the suction hole. 39. A device for filling ink according to the ink cartridge device according to item 1 of the scope of patent application, wherein the ink cartridge device includes a vent hole for communicating the cavity of the box body with the outside air; an ink injection port, using a plug The cover is sealed; a seal is provided at the ink outlet for holding the ink; Page 44 592987 __Ά 9010R ^ Q1 VI. Application for a patent One-way valve body, a valve body sealing device is used to seal the through hole of the support head, is arranged on the bottom wall of the cavity, and is sealed with the seal The ink forming chamber is used for holding and controlling ink; and the ink filling device includes an ink container; an ink injection needle is inserted into the ink injection port of the ink cartridge device, and communicates with the ink through a pipeline. The ink container is in communication; a pressure source; and a suction needle, which is connected to the pressure source by an air pipe, and is characterized in that The 'filling device' further includes a pressing device for sealing the lid portion of the box body; a flow control device including a vent tube communicating with the pipeline; an ink tube communicating with the pipeline Communication; and two valve bodies respectively disposed on the pipeline between the flow control device and the container and between the flow control device and the ink injection needle. 40. A filling method for an ink cartridge device according to item 1 of the scope of patent application, wherein the ink cartridge device includes an ink leakage prevention device provided in the vent hole of the cartridge body, and the method features The method comprises the following steps: a) inserting an ink injection needle in communication with the ink container into the ink injection port of the ink cartridge; b) directly injecting a predetermined amount of ink into the ink cartridge by using a positive pressure source; P.45 592987 Case No. 90106391 Λ_η Revision 6. Scope of patent application Ink. 41. The filling method according to item 40 of the scope of patent application, further comprising the following treatment c) a side wall of the ink introduction cavity formed by the one-way valve body and the seal penetrates a suction hole; d) Inserting a suction needle in communication with a negative pressure source into the suction hole; e) using a negative pressure to suck out the gas in the ink introduction chamber of the ink cartridge, so that the one-way valve body is in communication with the valve due to a pressure difference; The body sealing device is separated and used for drawing ink into the ink introduction chamber. Φ 4 2. The method according to item 41 of the scope of patent application, further comprising: f) sealing the ink injection port. Page 46