KR20170015056A

KR20170015056A - Ink Charger

Info

Publication number: KR20170015056A
Application number: KR1020150153784A
Authority: KR
Inventors: 전민성
Original assignee: 전민성
Priority date: 2015-07-31
Filing date: 2015-11-03
Publication date: 2017-02-08
Also published as: KR101719071B1

Abstract

The present invention is an ink charger used to replenish or charge an ink cartridge used in an ink jet printer or the like. In particular, by improving the valve structure provided for ink filling, it is possible to eliminate the remaining amount of ink in the ink injector, and to improve the ink injection and detachment structure of the cartridge, And the ink container is provided with an ink recovery hole for pressure control as well as air removal of the ink cartridge.

Description

Ink Charger {Ink Charger}

BACKGROUND OF THE INVENTION 1. Field of the Invention [0001] The present invention relates to an ink cartridge used for replenishing or fully filling ink in an ink cartridge used in an ink jet printer or the like. In particular, In addition, by improving the ink injection and attachment / detachment structure to the ink cartridge, it is possible to easily confirm the ink filling state at the time of ink injection and to easily perform the separation operation of the ink cartridge, To an ink filling apparatus provided with an ink recovery hole for pressure control.

It is a well-known fact that an ink cartridge that supplies ink necessary for a printing operation is generally provided in an ink jet printer or the like which is an ink recording apparatus.

When the ink supplied to the printing operation is exhausted, the ink cartridge itself can be replaced with a new one. However, since the replacement cost is high, the rechargeable cartridge, that is, the refill cartridge Or an ink continuous supply device for continuously supplying ink is used. The continuous ink supply device is an apparatus for continuously supplying ink to a printer by having an ink reservoir.

On the other hand, an ink refill apparatus is used to inject ink into the refill cartridge for ink refill. An example of such refill cartridge is an ink refill apparatus (hereinafter referred to as "prior art") shown in the following patent document.

This prior art is accommodated in a case of all components and is set to be very compact so that aesthetics can be improved, portability, storage stability, durability and mobility can be greatly improved, and inks of different colors can be arranged side by side In addition, it is possible to easily open and close the container lid only when the ink replenishment or filling is performed, thereby improving the ease of operation and use, and structurally stabilizing the ink refill in the ink cartridge, The present invention is directed to providing an ink refill apparatus which does not cause confusion of ink color during ink replenishing operation of the ink refilling apparatus. For this purpose, the prior art includes a box-shaped case, a cap accommodated in one side of the case, An ink container having an injection port at its tip end, And the cylinder is inserted into the case through one side front wall member of the case so that the rear end flange of the cylinder closely contacts the outer wall of the front wall member and is fixedly installed A syringe; An ink suction line connected at one end to the bottom surface of the ink container so as to communicate with the inside of the ink container and connected at the other end to the injection port side of the syringe; A first check valve and a three-way valve, a diaphragm member disposed to vertically divide the inner space of the case into an upper position of the syringe, the first check valve, and the three-way valve, An ink cartridge mounting table having a mounting portion for mounting an ink cartridge to which a refill operation is to be performed due to depletion of ink, and a mounting portion for mounting the ink cartridge in such a manner that one end thereof is connected to the three- An ink injection line connected to the cartridge mount; And a second check valve provided at the middle of the ink injection line to block backflow of the ink.

However, the first check valve and the three-way valve provided between the syringe of the prior art and the ink container are configured such that only the ink suction from the ink container and the ink injection action to the ink cartridge are executed, Even if the refill is completed, the ink is frequently left in the ink syringe. If the remaining amount of ink is generated in the ink syringe, it is necessary to leave the ink remaining until the next injection or remove the syringe to treat the ink from the ink syringe There is an inconvenience.

Further, the prior art has a disadvantage in that it is not possible to check whether the ink refilling operation for the ink cartridge is completed in injecting the ink from the ink container into the cartridge, and that the operation of separating the ink cartridge from the ink charger is also inconvenient have.

Therefore, the present inventor has found that, even if an ink remaining amount is generated in the ink injector during the ink charging or replenishing process, the residual ink can be easily re-injected into the ink container by anyone and can be reused, To develop an ink charger that can be easily identified.

KR Domestic Registration No. 10-1331443

The present invention has been developed in order to solve the problems of the prior art described above and to provide various additional advantages. It is an object of the present invention to eliminate the remaining amount of ink remaining in the ink injector during the ink filling process, And to provide an ink charger which has convenience of being easily operated.

In addition, the present invention can be used to regulate the air pressure generated when an ink cartridge having no ink filling confirmation hole (pores) is charged by the ink recovery hole provided in the ink container, The present invention is directed to an ink charger that has an economical efficiency.

The above objects are achieved by an ink charger provided according to the present invention.

An ink charger provided according to an aspect of the present invention includes a case body having a predetermined shape providing a space of a predetermined width and a rectangular shape having a predetermined shape that is removably and lockably detachably coupled to the case body. Case on top; And a partition wall plate, which is detachably received in the case body, partitioning the interior of the case body into accommodating space portions for accommodating the ink containers and the ink cartridges, An inner support plate provided with ink filling holes; A plurality of ink cartridges which are rotatably disposed on the upper portion of the inner support plate at predetermined intervals and which have support grooves in which the ink cartridges are received and supported to be detached from and exposed to the outside, Cartridge holder; Wherein the ink cartridge is detachably received in a receiving space part formed by the inner support plate and is directly coupled to the ink containers and the ink filling confirmation holes so as to be in direct contact with the ink cartridge, A valve assembly for forming flow channels for returning ink remaining in the process, the flow channels being provided with direction changing valves; And an ink injector which is directly coupled to the valve assemblies and is positioned so as to expose only a part of the case from the case to the outside so as to apply a suction force and a pressing force necessary for filling the ink to the valve assembly.

In an exemplary embodiment, the valve assembly may include a rectangular valve case for providing spaces divided on both sides by a partition plate that intercepts the entire interior of the valve assembly, and a valve case protruding from both sides of the valve case, And a plurality of flow paths formed on both sides of the partition plate so as to be in communication with the suction ports and a plurality of flow paths formed in a state of being in contact with any one of the flow paths, A plurality of first to third valves formed so as to communicate with the flow paths, and a vinyl film of a flexible material that watertightly closes both sides of the valve case excluding the ink outlet. .

In another embodiment, the first valve may include a valve hole provided in the valve seat, the valve hole being inserted into the valve hole, the valve hole being elastically supported by the upper and lower springs to open and close the valve hole, And a support plate integrally bonded to the vinyl film while supporting the spring.

In another embodiment, the second valve may be provided in the valve case so as to be in communication with the first valve through the communicating holes, and may be provided at a valve seat formed in the partition plate to communicate with the inside of the third valve And a valve pin attached to the vinyl membrane at the upper end, the rubber packing having a through hole communicating with the valve hole and being naturally placed on the rubber packing to open and close the through hole. .

In still another embodiment, the third valve is a rubber valve plate supported directly below the second valve so as to openably close the lower portion of the valve hole that blocks the upper portion of the valve pin Lt; / RTI >

In another embodiment, when the lid is closed with only the ink cartridge removed from the cartridge holder, the projections provided respectively on the upper surfaces of the projecting posts of the lid are inserted into the holes provided through the support plate, The movable pin being pressed by the protrusions presses the upper end of the valve pin of the second valve of the valve assembly positioned directly under the lower surface of the valve pin to forcibly block the valve ball, The remaining amount of ink discharged from the ink injector is returned to the inside of the ink container through the first valve, the first flow path, and the ink discharge port, which are opened to the ink discharge pressure via the second flow path from the ink discharge port .

In another embodiment of the present invention, at one side of the case main body, a plurality of detachable grooves for detachably coupling the ink injector to the outside are formed at predetermined intervals.

According to another embodiment of the present invention, the inner bottom of the case body is provided with fixing protrusions, which can receive and support the ink injector and the valve assembly independently so as to be detachably attached, at predetermined intervals.

According to another embodiment of the present invention, fixing protrusions for fixing the ink cartridges stably are provided on the upper portion of the inner supporting plate.

According to another embodiment of the present invention, the engaging protrusions formed on the opposite side of the hinge of the ink cartridge holder are resiliently detachably engaged with the protrusions protruding from the inner support plate.

In another embodiment, rubber caps corresponding to the ink container housed in the case body are detachably mounted on the inner lower portion of the lid. When the lid is closed with respect to the case body, So that the ink is prevented from flowing out.

An ink charger provided according to one aspect of the present invention is an ink charger that allows ink of a desired color to be filled into an ink cartridge from an ink container provided with a plurality of ink containers in a case, To be connected to the ink filling valve hole of the ink cartridge so as to be connected to the ink cartridge and to regulate the pressure of the air and the air charged in the ink cartridge.

In another embodiment, the ink recovery port is formed of a color corresponding to the ink color stored in the ink container.

In still another embodiment, the ink recovery port is provided with an opening / closing cap.

In another embodiment, a support groove portion for fixing the ink cartridge to be connected to the ink recovery port may be provided on a rear wall of the case.

According to the present invention, the remaining amount of ink remaining in the ink injector during the ink filling process can be returned to the ink container again without detaching the ink injector, thereby giving the effect of preventing the remaining amount of ink in the syringe.

In addition, in the ink filling operation, it is possible for the operator to check the state of the ink filling with respect to the cartridge, thereby giving an effect of eliminating the problem of the ink leakage due to the excessive ink charging from the ink cartridge, And the like.

In addition, the present invention relates to an ink cartridge for use in an ink cartridge having no ink filling check hole (pores) by an ink recovery hole provided in an ink container and used to regulate the air pressure generated when ink is filled, Thereby making it possible to reduce the waste of the ink.

1 is a perspective view showing an appearance of an ink charger according to an embodiment of the present invention,
FIG. 2 is a perspective view showing a state in which the cover is opened when the charger of FIG. 1 is provided in a filling operation,
Fig. 3 is an exploded perspective view showing only the ink cartridge charging portion indicated by the "A" portion in Fig. 2,
Fig. 4 is an enlarged perspective view of only the valve assembly connected to the ink injector and the ink container in Fig. 3,
FIG. 5 is a perspective view of the valve assembly of FIG. 4 viewed from the opposite side,
FIG. 6 is an enlarged sectional view along the II line direction of FIG. 4,
7 is an enlarged sectional view taken along line II-II in Fig. 6,
8 is an enlarged sectional view taken along line III-III in Fig. 6,
9 is a perspective view showing the inside of the ink charger according to another embodiment of the present invention,
Fig. 10 is a perspective view showing only an ink cartridge without an ink filling check hole separated from Fig. 9,
Fig. 11 is a perspective view showing only the ink container from Fig. 9,
Fig. 12 is a perspective view showing the rear side of Fig. 9, showing a state in which the ink in the overcharged ink cartridge is re-injected into the ink container built in the ink charger.

Hereinafter, preferred embodiments of the present invention will be described in detail with reference to the accompanying drawings.

1 is a perspective view showing an appearance of an ink charger according to the present invention.

As shown in the drawing, the ink charger 100 includes a case 110 of a substantially rectangular shape that is compact and convenient to use and store. The case 110 is formed of a transparent or opaque plastic material that is harmless to the human body and is not easily broken even by external impact, and can be manufactured by adding a color other than black and white, if necessary. The size of the case 110 can be arbitrarily changed according to the amount of the ink to be filled and the case main body 112 is hingedly coupled to the case main body 112 so as to be opened or closed with the hinge portion 111 as a fulcrum, (114). A plurality of ink injectors (or syringes) 120, which are used in accordance with the color of the ink to be filled, are detachably mounted on the opposite side of the hinge portion 111 of the case body 112, (116) are formed at a predetermined interval. A locking portion 117 for resiliently engaging the engaging portion of the lid 114 and the case body 112 to securely engage or open the lid 114 with respect to the case body 112 Is installed.

FIG. 2 is a perspective view showing a state in which the cover is opened when the charger of FIG. 1 is provided in a filling operation, and FIG. 3 is an exploded perspective view showing only an ink cartridge charging portion indicated by an "A" portion in FIG.

As shown in the drawing, the case body 112 is formed to have different wall thicknesses on each side, and an inner supporting plate 113, which is smaller than the inner area of the case body 112, 112 are divided into at least a plurality of accommodation space portions 112-1, 112-2.

That is, the vertical plate portion 113-1 vertically installed at one end portion of the inner support plate 113 and positioned toward the side where the high wall plate of the case body 112 is formed has a first plate portion 113-1 in which a plurality of ink containers 10 are accommodated, The horizontal plate portion 113-2 formed at a predetermined angle with the vertical wall plate portion 113-1 and having a predetermined width forms the accommodation space portion 112-1 and covers the entire upper portion of the case body 112 A second accommodation space 112-2 for accommodating the ink injectors 120 and the valve assembly 130 is formed on the inner bottom portion of the case body 112 so that the entirety of the case body 112 So that space can be efficiently utilized. The inner support plate 113 is supported on an upper portion of a support protrusion 112-3 protruding from the inside of the case body 112 and is fixed to be detached and attached to a screw or the like.

A space for accommodating the ink cartridge holders 150 for stably supporting the ink cartridge 1 is provided on the side of the inner support plate 113 opposite to the second accommodation space portion 112-2. That is, the cartridge holder 150 is positioned on the upper portion of the inner support plate 113, and one end thereof is hinged to be pivoted to the upper end of the vertical wall plate portion 113-1 and the other end thereof is engaged with the locking projection 152, Is separated from the inner support plate (113) by the support plate (154). The engaging protrusion 152 is integrally coupled to the ink cartridge holder 150 while the protrusion groove 154 is formed to protrude from the upper portion of the inner supporting plate 113 which is in a position corresponding to the engaging protrusion 152 So that they can be elastically separated and engaged with the engaging projections 152 to be engaged.

The ink cartridge 1 can be stably received in the support groove 154 of the ink cartridge holder 150 coupled to the ink cartridge 1. At this time, And the ink injection port 3 located on the opposite side of the ink filling confirmation hole 2 is positioned at a position corresponding to the ink injection port 3 of the ink cartridge 1 of the support plate 113 The ink injected from the ink injector 120 is brought into contact with the ink filling hole 113-5 through the valve assembly 130 and the ink filling hole 113-5 (3) of the ink cartridge (1). The ink cartridge 1 accommodated in the support groove 154 is also fixed by the fixing protrusion 113-6 provided around the ink filling hole 113-5 of the inner support plate 113 without movement.

The ink cartridge 1 is stored in each of the support grooves 155 of the ink cartridge holders 150 to fill the ink so that the ink cartridge 1 can be stably ejected To be charged. In particular, one end of the ink cartridge holders 150 is rotatably connected with the hinge 151 as a fulcrum, and the other end of the ink cartridge holders 150 is configured to be engaged with the protrusion groove 152 by a one- Thereby facilitating the separation as well as the engagement of the ink cartridge 1.

3, the ink injector 120 and the valve assembly 130 are housed in the case body 112 in the second accommodation space 112-2 defined in the case body 112 by the inner support plate 113. [ An ink injector fixing protrusion 115-1 for allowing the ink injector fixing protrusion 115-1 to be stably received and supported without being separately flowed from the second accommodation space 112-2 which is the inside of the valve assembly fixing protrusion 115-2, And are protruded from each other at intervals.

The ink injector 120 and the valve assembly 130 are combined before the support plate 113 is coupled to the case body 112 so that the ink injector 120 and the valve assembly 130 are connected to each other, The tip of the ink injector 120 and the valve assembly 130 are firmly coupled to the detachable groove 116 of the ink body 112 while the ink injector 120 and the valve assembly 130 are securely fixed by the respective fixing projections 115-1 and 115-2 And the ink outlet 131-1 of the valve assembly 130 is directly connected to the ink outlet 12 of the ink container 10 without a separate ink hose, And the ink suction port 131-2 formed on the opposite side of the ink suction port 131-1 can be directly connected to the ink injector 120 without a hose interposed therebetween so that the entire structure can be compact. The ink discharge port 132 described later of the valve assembly 130 is brought into close contact with the ink filling hole 113-5 of the support plate 113 in contact with the ink injection port 3 of the ink cartridge 1, Prior Art of Document) Provides a simple configuration compared to a charger.

The ink injector 120 is positioned in the second accommodating space 112-2 of the case body 112 and then the inner support plate 113 is coupled to the inner support plate 113 to dispose the ink injector 120 2 accommodating space 112-2.

The lid 114 is used to close the case body 112 so as to prevent foreign substances from being introduced into the lid 114 when the ink is filled, The ink cartridge holder 110 is formed so as to protrude from the ink cartridge holder 150 at a corresponding position.

The protruding pillars 114-1 are positioned on the upper side of the protruding pillars 114-1 when the lid 114 is closed after the ink filling operation is completed and the ink cartridge 1 is removed from the ink cartridge holder 150. [ The second valve 136 of the valve assembly 130, which will be described later, forcibly presses and closes the protrusions 118 installed in each of them. The forced closing of the second valve of the valve assembly 130 by the protrusions 118 causes the ink injector 120 to inject ink remaining in the ink injector 120 in the ink filling operation back to the ink container 10, The flow of ink ejected from the ink cartridge 1 to the ink container 10 without flowing to the ink cartridge 1 can be formed, which will be described in detail in the description of the valve assembly 130.

The lid 114 is also provided with rubber packings 119 on the inner lower portion thereof. These rubber packings 119 are punched in the upper portion of the ink container 10 when the lid 114 is closed with respect to the case body 112 to smoothly flow the ink from the ink container 10 toward the ink injector 120 And the ink contained in the ink container 10 is prevented from flowing out to the outside through the air vents 19 when the ink container 10 is not filled. The rubber packings 119 are replaceably installed from the lid 114.

Although only the valve assembly 130 is illustrated as being connected to the ink injector 120 and the ink container 10 in the drawing, adjacent valve assemblies 130 may be connected to each other. Reference numeral 13 denotes a lid of the ink container, which can be opened when ink is replenished into the interior of the ink container 13, and is normally used in a closed state.

FIG. 4 is an enlarged perspective view showing only the valve assembly connected to the ink injector and the ink container in FIG. 3, and FIG. 5 is a perspective view of the valve assembly of FIG. 4 viewed from the opposite side.

3) of the ink container 10 is directly connected to the ink suction port 131-1 of the valve assembly 130 and the other ink suction port 131- The ink outlet 132 protruding upward in FIG. 4 is coupled to the bottom of the ink filling hole 113-5 of the inner support plate 113 in a watertight manner The ink sucked into the ink injector 120 from the ink container 10 through the valve assembly 130 by the sucking action of the ink injector 120 passes through the ink outlet 132 of the valve assembly 130 again, So that ink can be filled through the ink inlet 3 of the cartridge 1. [

6 is an enlarged sectional view taken along line II-IV in Fig. 6, Fig. 7 is an enlarged sectional view taken along line II-II in Fig. 6, to be. Referring to these drawings and FIGS. 4 and 5, the detailed structure of the valve assembly 130 and the ink suction action by the valve assembly 130 will be described.

As shown in the drawing, the valve assembly 130 is provided with a substantially rectangular valve case 133. The valve case 133 is divided by the partition plate 133-1, (See Fig. 6). A plurality of flow paths 134-1, 134-2, and 134-3 are formed on both sides of the partition plate 133-1 so as to communicate with each other (see FIGS. 4 and 5), and the flow paths 134-1, 3, the valve case 133 is provided with a plurality of valves 135, 136 and 137 (see FIGS. 4 to 8) so as to communicate with the flow paths 134-1, 134-2 and 134-3, As shown in FIGS. 4 to 8, the flexible films are entirely made of flexible vinyl films 138-1 and 138-2 so that the flow paths 134-1, 134-2, and 134-3 and the valves 135, 136, Respectively.

The ink outlet 131-1 protruded from one side of the case 133 and coupled to the ink container 10 is connected to a first flow path formed in one side of the partition plate 133-1 of the valve case 133 And the first flow path 134-1 is formed to communicate with the first valve 135 formed to penetrate both side surfaces of the partition plate 133-1.

5, the first valve 135 is connected to a second flow path 134-2 formed along the edge of the valve case 133 on the opposite side of the first flow path 134-1. And the second flow path 134-2 is open to communicate with the ink discharge port 131-2 formed on the other side of the first valve 135. [ The ink outlet 131-1 → the first flow path 134-1 → the first valve 135 → the second flow path 134-2 → the ink discharge port 131-2 are separated from the ink container 10 And provides a path through which the ink is sucked toward the ink injector 120 side.

A second valve 136 is installed on one side of the first valve 135 and is provided with a partition plate 133-1 and contact holes 139-1 and 139-2 provided on the partition wall 133-1. The first valve 135 and the second valve 135 are connected to each other.

The third valve 137 is provided on the opposite side of the second valve 136 and the second valve 136 and the third valve 137 are connected to the valve hole 136-2 And the third valve 137 is communicably connected to the ink outlet 132 through the third flow path 134-3 provided on the same plane as the third valve 137. [

The ink outlet 131-2 → the second flow path 134-2 → the first valve 135 → the first communication hole 139-1 → the second communication hole 139-2 → the second valve The ink is sucked from the ink container 10 to the ink injector 120 and then the ink is sucked from the ink container 10 to the ink injector 120. In this case, And the ink cartridge 1 is filled with the ink. Through these routes, the ink can be sucked and injected repeatedly.

As shown in the drawing, the first valve 135 includes a valve hole 135-2 provided through a valve seat 135-1 formed in the partition plate 133-1 and a valve hole 135-2 formed in the valve hole 135-2 And the valve hole 135-2 is resiliently supported by the upper and lower springs 135-3 and 135-6 so as to support the valve pin 135-4 and the lower spring 135-3, And a support plate 135-5 integrally bonded to the support plate 135-2. Therefore, the suction force acting from the injector 120 at the time of suction of the ink causes the contraction of the vinyl film 138-2, and the contraction force at this time is transmitted to the lower spring (not shown) supported by the support plate 135-5, 135-3 as well as the upper spring 135-6 to cause the flow of ink to start in the direction of the arrow through the valve hole 135-2 which opens when the valve pin 135-4 is lifted upward All.

When the first valve 135 is opened, the second valve 136 and the third valve 137 are closed so that the first valve 135 is opened. State.

6 and 8, the second valve 136 is connected to the third valve 137 through the valve seat 136-1 formed in the partition plate 133-1, A rubber packing 136-3 having a hole 136-2 and a through hole 136-4 which is watertightly installed around the valve hole 136-2 and communicates with the valve hole 136-2, And the upper end of the through hole 136-4 is inserted into the guide hole 136-6 of the support plate 136-7 so as to be inserted into the guide hole 136-6 of the support plate 136-7, And a valve pin 136-5 bonded to the through-hole vinyl film 138-1.

The third valve 137 is provided directly below the second valve 136 so that the valve pin 136-5 can open and close the lower portion of the valve hole 136-2, And a valve plate 137-1 made of a rubber material which blocks the valve plate 137-1. The predetermined portion of the rubber-made valve plate 137-1 is securely fixed to the partition plate 113-1 by the fixing portion 137-2. The second valve 136 and the third valve 137 are unidirectional valves that allow ink to flow only in one direction.

5 and 6, the ink, which is applied from the ink injector 120 when the ink is injected into the cartridge 1 in this configuration, is supplied to the first valve (not shown) through the second flow path 134-2 The ink flowing into the first valve 135 can not be discharged through the first valve 135 because the first valve 135 blocks the valve hole 135-2 , As shown in FIG. 6, flows into the second valve 136 through the communication holes 139-1 and 139-2 provided in communication with the first valve 135 and the second valve 136, respectively (Expansion) of the vinyl film 138-1 as a result of the insertion of the vinyl film 138-1 is loosely inserted into the guide hole 136-6 of the support plate 136-5 in a state in which the end face thereof is integrally attached to the vinyl film 138-1 So that the ink having a pressing force enters the inside of the valve hole 136-2 and then the partition plate 133-1 is fastened to the valve plate 136-3. By the government 137-2 So that the valve plate 137-1 of the third valve 137 which has been fixedly supported by the lower portion of the valve hole 136-2 is pressed so that the valve plate 137-1 is positioned below the valve hole 136-2 So that the flow of the ink is started from the third valve 137 through the third flow path 134-3 and the ink discharge port 132. As a result,

The operation of sucking ink from the ink container 10 to the ink injector 120 by the valve assembly 130 having such a configuration to fill the ink cartridge 1 with ink and the operation of filling the ink injector 120 The operation of returning the remaining amount of ink to the ink container 10 will be described again with reference to the drawings.

&Lt; Operation process of sucking ink from the ink container 10 to the ink injector 120 >

The ink suction port 131-1 of the valve assembly 130 is engaged with the ink discharge port 12 of the ink container 10 of the desired color and the ink suction port 131-1 formed on the other side of the valve case 133 is engaged, An ink injector 120 in the form of a syringe is coupled to the outlet 131-2. 4 to 6, when the ink injector 120 is stretched to start suction of the ink in a state where the ink cartridge 1 is coupled to the ink outlet 135, The ink flows from the ink inlet 131-1 to the first flow path 134-1 to the first valve 135 (see FIG. 7), the second flow path 134-2, The desired ink is sucked into the ink injector 120 through the ink tank 131-2.

&Lt; Operation procedure of injecting ink from the ink injector 120 into the ink inlet 3 of the ink cartridge 1 to charge it>

When the ink injector 120 is compressed in the ink sucking process, the ink ejected from the ink injector 120 is ejected from the ink ejection port 131-2, The first valve 135 is closed as shown in FIG. 7 and the ink introduced into the first valve 135 flows into the second valve 135 through the first valve 135 and the second valve 135, And flows into the second valve 136 through the communication holes 139-1 and 139-2 which communicate with the valve 136 (see Fig. 6). The valve hole 136-2 for connecting the second valve 136 and the third valve 137 is formed by the valve pin 136-5 and the valve plate 137-1 as shown in Figs. When the ink having a pressing force flows into the second valve 136 from the ink injector 120 through the communication holes 139-1 and 139-2, And the extension of the vinyl film 138-1 becomes a state in which the end face thereof is integrally attached to the vinyl film 138-1 and the guide hole 136-6 of the support plate 136-5 The valve pin 136-5 loosely inserted into the valve hole 136-2 is moved upward so as to be separated from the valve packing 136-3 so that the ink having a pressing force enters into the valve hole 136-2, The ink is allowed to flow into the third valve 137 by pushing the valve plate 137-1 of the third valve 137 that has blocked the lower portion of the valve 136-1 to completely open the valve hole 136-2 . The ink via the third valve 137 is supplied to the ink cartridge 1 via the third flow path 134-3 connected to the third valve 137 → the ink outlet 132 → the ink filling hole 113-5 Through the ink inlet 3 of the ink cartridge 1.

When the ink cartridge 1 is charged with ink, it is possible to confirm whether the ink is charged from the ink charge confirmation hole 2 positioned to be exposed to the outside from the ink cartridge 1 as shown in Fig. When it is confirmed that the ink flows finely from the ink charge confirmation hole 2, it is known that the filling of the ink is completely charged, so that the charging operation can be stopped.

&Lt; Operation of inserting remaining amount of ink into ink container again when ink remains in ink injector 120 after ink is completely filled from ink injector 120 into ink cartridge >

When the ink is injected from the ink injector 120 into the ink cartridge 1, the ink is sometimes left in the ink injector 120 after completion. In such a case, conventionally, And the ink was discharged from the syringe. However, the present invention can push the remaining amount of ink back into the interior of the ink container 10. This operation is necessarily performed in the state of FIG. 1 in which the lid 114 is coupled to the case body 112 after detaching the ink cartridge 1 from the holder 150, which is a feature description of the present invention.

3, when the lid is closed with the ink cartridge 1 removed from the cartridge holder 150, the protrusions (not shown) provided on the upper surface of the protruding posts 114-1 of the lid 114 118 are inserted into the hole 113-8 provided through the support plate 113 to press the upper end of the movable pin 113-9 loosely inserted into the hole 113-8, The movable pin 113-9 pressed by the valve pin 136-1 is pressed against the valve pin 136-5 by pushing the upper end of the valve pin 136-5 of the second valve 136 of the valve assembly 130 positioned directly below, So as to forcibly block the gold valve hole 136-2.

When the ink injector 120 is compressed in this state, the remaining amount of ink, which is subjected to strong pressure from the ink injector 120 and is extruded, is discharged from the ink discharge port 131-2 through the second flow path 134 -2 to the first valve 135 side. The remaining ink that has entered the first valve 135 flows through the communication holes 139-1 and 139-2 for communicating the first valve 135 and the second valve 136 to the second valve 136 The second valve 136 is closed by the movable pin 113-8 with the pressure being depressed from the protrusions 118 so that no further flow can be performed and the clogged state And the pressure at this time is applied to the inside of the first valve 135 so that the valve pin 135-4 which is supported by the spring 135-6 and blocks the valve hole 135-2 is inserted into the valve hole 135 -2 so that the valve hole 135-2 is opened, the ink flowing backward flows through the ink outlet port 131-2, the second flow path 134-2, Ink remaining in the ink container 10 can be quickly returned to the interior of the ink container 10 through the first valve 135 → the first flow path 134-1 → the ink suction port 131-1, Remain There is an advantage in eliminating the inconvenience caused by this.

FIG. 9 is a perspective view showing the inside of the ink charger according to another embodiment of the present invention, and FIG. 10 is a perspective view showing only an ink cartridge without an ink filling confirmation hole separated from FIG. Hereinafter, the same components as those in the embodiment are denoted by the same reference numerals in order to avoid redundant description.

As shown in the drawing, the ink charger 200 according to the present embodiment has a structure in which only the ink filling valve hole 32 is open to the outside, so that the ink cartridge 30 being sold can be filled with ink .

The ink filler 200 of the present embodiment is configured such that the valve assemblies 130 and the hoses (not shown) are connected to the respective ink cartridges 130 in such a manner that the ink cartridges 1 are connected in a substantially direct communication with the valve assemblies 130 The hose 20 extending from the valve assemblies 130 is connected to the vertical plate portion 113-1 of the inner support plate 113 installed inside the case body 112, And is connected to the connection pipe 202, which is detachably coupled to the inside of the coupling groove 201 formed at a predetermined interval along the upper end of the coupling pipe 202. The connection pipe 202 is horizontally protruded from the upper end of the vertical plate portion 113-1 of the inner support plate 113 so as to be easily engaged with the ink filling valve hole 32 of the ink cartridge 30. [ So that it can be easily coupled into each ink filling valve hole 32 of the ink cartridges 30 which is supported to be detachably attached to the horizontal plate portion 113-2 of the inner supporting plate 113. [ The cap 204 is openably coupled to prevent ink leakage or dust inflow when the ink cartridge is not charged normally.

The inner support plate 113 is provided with a plurality of ink cartridges 30 connected to the connection pipe 202 so that the ink cartridges 30 are stably fixed to the horizontal plate 113-2 of the inner support plate 113, A plurality of holder portions 210 for supporting the ink cartridges 30 are provided in the horizontal plate portion 113-2 of the horizontal plate portion 113-2. The holder part 210 is constituted by the locking projections 212 provided at a predetermined interval on the horizontal plate part 113-2.

The ink filling operation for the ink cartridge 30 coupled to the connection pipe 202 through the ink filling valve hole 32 while being supported by the holder 210 is performed by the ink injector 120, The ink is injected from the ink container 10 to the inside of the ink cartridge 30 through the valve assembly 120, the hose 20 and the connecting pipe 202 in accordance with the sucking operation of the ink injector 120, The ink filling operation process of discharging ink from the ink container 10 through the valve assembly 120 and other structures and operations are the same as those of the above embodiment, and a further explanation will be omitted in this embodiment.

The ink cartridge 30 which is coupled to the ink charger 200 according to the present embodiment and is provided for filling the ink can be used as an ink charge confirmation hole such as the ink cartridge 1 used in the ink charger 100 of the embodiment ) There is no (2). Therefore, when the ink is filled, the air is filled into the ink cartridge 30 as it is as it is and becomes saturated. As a result, the ink cartridge 30 is inflated to the filling pressure, There is a problem that the ink can not be properly discharged due to the internal air pressure even if the ink is combined with the ink.

Since the ink cartridge 1 used in the ink charger 100 of one embodiment has the ink filling check hole (pore) 2 on the opposite side and the air pressure generated in the charging process is discharged through the ink filling check hole, A pressure is not generated in the inside of the container 1.

The present embodiment is characterized in that an ink recovery hole 220 for controlling the pressure is provided in the ink container 10 in order to adjust the ink filling pressure generated due to the self structure of the ink cartridge 30 in the ink filling process . This will be described in detail with reference to FIGS. 11 and 12. FIG.

Fig. 11 is a perspective view showing only the ink container from Fig. 9, Fig. 12 is a perspective view showing the rear side of Fig. 9, and Fig. 12 is a view showing a state in which the ink in the overcharged ink cartridge is re- to be.

As shown in the drawing, the ink container 10 indicates that the containers partitioned into the ink containers 10 are integrally formed. Therefore, each of the ink containers 10 integrally formed therein is provided with ink A recovery port 220 is provided.

The reason why the ink container 10 is provided in each of the ink containers 10 is that the ink container 10 is formed by color and accommodates ink corresponding to the color, And is coupled to the corresponding ink container 10. The reason why the ink collection port 220 is formed in a color suited to the color of the ink is that the ink colors of the ink containers 10 can be easily distinguished and recovered.

The ink recovery port 220 is formed in the form of an ink recovery pipe 222 so as to be easily coupled with the ink filling valve hole 32 of the ink cartridge 30 and protruded to the outside, As a detachable cap 226, to prevent ink leakage from the return pipe 222 or to prevent dust from entering the ink container 10 through the ink return pipe 222.

The ink recovery port 220 configured as described above is provided so as to be opened outward from the ink containers 10 and can be connected to the ink filling valve hole 32 of the ink cartridge 30 so as to be communicable with the ink cartridge 30, To remove the filled air and to regulate the internal pressure. The reason why the ink cartridge 30 is coupled to the ink recovery port 220 provided in the ink container 10 so as to remove the air and adjust the internal pressure is to press both sides of the ink cartridge 30 with the fingers, Air pressure can be discharged through the hole 32, but not only the compressed air is discharged in this process, but the charged ink is also discharged and discarded as it is, so that there is no waste of the waste ink .

12 shows a state in which the ink cartridge 30 is coupled to the ink recovery port 220 provided in the ink container 10 to remove the air and adjust the internal pressure.

That is, when pressing both side portions of the ink cartridge 30 with the fingers and pressing the ink cartridge 30 in the state where the ink filling valve hole 32 of the ink cartridge 30 is coupled to the ink recovery port 220, A part of the ink passes through the ink recovery port 220 into the interior of the ink container 10 so that the ink is returned to the ink container 10 and the air pressure is supplied to the ink container 10 through the air hole 19 To the atmosphere.

The support groove portion 224 is exposed to the rear wall of the case body 112 so that the ink cartridge 30 coupled to the ink recovery port 220 can be stably held in the rear wall of the case body 112 So that the ink cartridge 30 of the corresponding color can be stably supported inside the support groove 224 so that the air can be removed and the pressure of the ink cartridge 30 can be adjusted.

While the invention has been shown and described with reference to certain exemplary embodiments thereof, it will be understood by those skilled in the art that various changes and modifications may be made without departing from the spirit and scope of the invention as defined by the appended claims.

1: Ink cartridge
2: Ink charge confirmation hole
10: ink container
12: Ink outlet
19: Ventilation holes
20: Hose
30: Ink charger
32: Ink filling valve ball
100: Ink Charger
110: Case
112: Case body
114: Lid
116: ink injector detachable groove
118: projection
119: Rubber packing for ventilation of air pockets
113: inner support plate
113-5: ink filling hole
113-8: hole
113-9:
120: ink injector
130: valve assembly
131-1, 131-2:
132: ink outlet
133: Valve case
133-1: partition plate
134-1, 134-2, and 134-3:
135, 136, 137: first to third valves
150: Ink cartridge holder
155: Support groove
200: Ink Charger
220: Ink collection port
222: ink recovery pipe
224: Support groove
226: Plug

Claims

A case having a rectangular shape with a case body of a predetermined shape providing an accommodation space of a predetermined width and a lid of a predetermined shape releasably and releasably coupled to the case body;
And a partition wall plate, which is detachably received in the case body, partitioning the interior of the case body into accommodating space portions for accommodating the ink containers and the ink cartridges, An inner support plate provided with ink filling holes;
A plurality of ink cartridges which are rotatably disposed on the upper portion of the inner support plate at predetermined intervals and which have support grooves in which the ink cartridges are received and supported to be detached from and exposed to the outside, Cartridge holder;
Wherein the ink cartridge is detachably received in a receiving space part formed by the inner support plate and is directly coupled to the ink containers and the ink filling confirmation holes so as to be in direct contact with the ink cartridge, A valve assembly for forming flow channels for returning ink remaining in the process, the flow channels being provided with direction switching valves; And
And an ink injector which is directly connected to the valve assemblies so as to form a state in which only a part of the ink is exposed to the outside from the case, thereby giving a suction and a pressing force necessary for filling the ink to the valve assembly.

The method according to claim 1,
The valve assembly includes a rectangular valve case for providing spaces divided on both sides by a partition plate that intercepts the entire interior of the valve assembly, and an ink suction member which is installed to be protruded from both sides of the valve case to be connected to the ink container and the injectors, A plurality of flow paths formed on both sides of the outlet and the partition plate so as to communicate with the suction ports, and an ink outlet protruding from the one of the flow paths and positioned in contact with the ink filling hole, A plurality of first to third valves formed so as to be in communication with the flow paths, and a vinyl film of a flexible material that watertightly closes both sides of the valve case excluding the ink discharge port.

The method of claim 2,
Wherein the first valve includes a valve hole penetrating the valve seat formed in the partition plate, a valve pin inserted in the valve hole to open and close the valve hole elastically supported by the upper and lower springs, And a support plate integrally adhered to the support plate.

The method of claim 2,
Wherein the second valve is provided in communication with the first valve through the communication holes in the valve case and is connected to the inside of the third valve through a valve formed in the partition plate, And a valve pin attached to the vinyl membrane at an upper end thereof so as to be opened and closed by being naturally raised on the rubber packing.

The method according to claim 2 or 4,
Wherein the third valve is composed of a rubber valve plate which is supported directly below the second valve to openably close the lower portion of the valve hole that blocks the upper portion of the valve pin so as to be openable and closable, .

The method according to claim 2 or 4,
When the lid is closed with only the ink cartridge removed from the cartridge holder, the projections provided on the upper surfaces of the projecting posts of the lid are inserted into the holes provided through the support plate, and the upper ends of the movable pins loosely inserted into the holes The movable pin pressed by the protrusions presses the upper end of the valve pin of the second valve of the valve assembly positioned directly under the lower portion to force the valve pin into a state of forcibly closing the valve hole, The ink remaining amount is returned to the inside of the ink container again through the first valve, the first flow path, and the ink discharge port which are opened to the ink discharge pressure via the second flow path from the ink discharge port Ink Charger.

The method according to claim 1,
Wherein a plurality of detachable grooves for detachably connecting the ink injector to the outside are formed at a predetermined distance on either side of the case body.

The method of claim 7,
Wherein an inner bottom portion of the case body is provided with fixing protrusions, which can receive and support the ink injector and the valve assembly so as to be independently detachable, with a predetermined distance therebetween.

The method according to claim 1,
And fixing projections for fixing the ink cartridges stably are provided on the upper portion of the inner supporting plate.

The method according to claim 1,
Wherein the engaging protrusions formed on the opposite side of the hinge of the ink cartridge holder are elastically detachably engaged with the protrusions protruding from the inner support plate.

The method according to claim 1,
Wherein rubber pockets corresponding to the ink container housed in the case body are detachably mounted on an inner lower portion of the lid, and when the lid is closed with respect to the case body, air holes punched in the upper portion of the ink container are closed Thereby preventing ink from leaking out.

1. An ink charger which enables ink of a desired color to be filled into an ink cartridge by an ink injector from an ink container provided in a plurality of cases,
And an ink recovery port provided outside the ink containers so as to be able to engage with the ink filling valve hole of the ink cartridge so as to remove the air charged in the ink cartridge and regulate the pressure, charger.

The method of claim 12,
Wherein the ink recovery port is formed in a color corresponding to the ink color stored in the ink container.

14. The method of claim 13,
Wherein the ink recovery port is provided with an opening / closing cap.

The method of claim 12,
And a support groove portion for fixing the ink cartridge to be connected to the ink recovery port in a rear wall portion of the case is provided.