CN216443317U - Ink filling device for ink box - Google Patents

Abstract

The application provides an ink filling device of an ink box, relates to the technical field of ink filling equipment, and is used for solving the technical problems of labor-consuming operation and low efficiency when the ink box is filled with ink by the existing ink filling device of the ink box; an accommodating cavity and an ink storage cavity are arranged in the shell, the accommodating cavity is used for mounting the ink box, the ink storage cavity is used for storing ink, and the ink storage cavity is positioned below the accommodating cavity and is communicated with an ink injection port of the ink box through an ink injection channel; the suction device comprises a suction pump body, a lever handle and a piston, the suction pump body is arranged in the shell and is provided with a suction chamber, and the suction chamber is communicated with the ink storage cavity; the piston is connected in the suction chamber in a sealing manner and is connected with the lever handle, and the lever handle is used for driving the piston to move in the suction chamber so as to change the air pressure in the ink storage cavity. The ink box ink filling device is used for filling ink into the ink box.

Description

Ink filling device for ink box

Technical Field

The application relates to annotate black equipment technical field, especially relates to an ink horn annotates black device.

Background

The ink box is used as a consumable material of the printer, and when the ink in the ink box is used up, the ink can be refilled into the ink box, so that the ink box can be reused, and resources are saved.

At present, an ink box ink filling device is commonly adopted to fill ink into an empty ink box, and the ink box ink filling device comprises an ink container and a needle tube type aspirator; wherein the ink container is used for storing the filling ink; the ink container is communicated with the ink box through the ink injection channel; the needle tube type aspirator is communicated with the ink container through an aspiration channel; the needle-type aspirator can inject air into the ink container to form a positive pressure state in the ink container, so that the ink in the ink container is injected into the ink box.

However, when the ink cartridge is filled with ink by using the ink filling device, the operation is laborious and the ink filling efficiency is low.

SUMMERY OF THE UTILITY MODEL

In view of the above problems, embodiments of the present application provide an ink cartridge filling device capable of filling ink into an ink cartridge and improving ink filling efficiency.

In order to achieve the above object, the embodiments of the present application provide the following technical solutions:

the embodiment of the application provides an ink box ink injection device, which comprises a shell and a suction device; an accommodating cavity and an ink storage cavity are arranged in the shell, the accommodating cavity is used for mounting an ink box, the ink storage cavity is used for storing ink, and the ink storage cavity is positioned below the accommodating cavity and communicated with an ink injection port of the ink box through an ink injection channel; the suction device comprises a suction pump body, a lever handle and a piston, the suction pump body is arranged in the shell, the suction pump body is provided with a suction chamber, and the suction chamber is communicated with the ink storage cavity; the piston is connected in the suction chamber in a sealing mode and is connected with the lever handle, and the lever handle is used for driving the piston to move in the suction chamber so as to change the air pressure in the ink storage cavity.

In one possible implementation, the housing includes a housing body and a top cover; an opening is formed in the top of the shell body, and the top cover is covered at the opening; the suction pump body is fixed in the casing body, the lever handle with the casing body is articulated, just one end of lever handle passes the top cap and extends to in the suction pump body, and with the piston is connected.

In one possible implementation, the lever handle includes a handle, a connecting rod, and a fixed arm; one end of the connecting rod is connected with the piston, and the other end of the connecting rod is hinged with the handle; one end of the fixed support arm is fixed on the shell body, and the other end of the fixed support arm is hinged with the handle.

In one possible implementation manner, one end of the handle close to the connecting rod is bent towards one side far away from the connecting rod and forms an arc-shaped section; one end of the arc-shaped section is hinged with the connecting rod, and the other end of the arc-shaped section is hinged with the fixed support arm.

In one possible implementation manner, the ink filling channel comprises a first ink transmission channel and a second ink transmission channel which are communicated with each other; the first ink transmission channel is positioned in the shell body and extends along the vertical direction; one end of the first ink transmission channel extends into the ink storage cavity, and the other end of the first ink transmission channel is communicated with the second ink transmission channel; the second ink transmission channel is arranged on the surface of the top cover and is communicated with the ink injection port of the ink box.

In a possible implementation manner, an installation cavity communicated with the ink storage cavity is further arranged in the shell, and the first ink transmission channel is arranged in the installation cavity.

In one possible implementation, the ink cartridge filling device further comprises a first sealing plate; the first sealing plate is arranged between the top cover and the ink injection port of the ink box; the first sealing plate is provided with a first through hole which is respectively communicated with the second ink transmission channel and the ink injection port of the ink box.

In a possible implementation manner, a first communication channel is arranged between the suction chamber and the ink storage cavity; the first communication passage is communicated with the bottom of the suction chamber, and the other end of the first communication passage is communicated with the ink storage cavity.

In one possible implementation, the ink cartridge includes an ink jet head; a second communication channel is arranged between the ink storage cavity and the ink gun and is communicated through the second communication channel.

In one possible implementation, the ink cartridge filling device further comprises a second sealing plate; the second sealing plate is arranged at the bottom of the accommodating cavity and covers the ink gun; the second sealing plate is provided with a second through hole which is respectively communicated with the second communicating channel and the ink gun.

Compared with the related art, the ink box ink filling device provided by the embodiment of the application has the following advantages:

the ink box annotates black device that this application embodiment provided, it includes casing and suction device, and the casing is provided with the chamber that holds and the storage ink storage chamber that is used for installing the ink horn, and the storage ink storage chamber is located the below that holds the chamber and communicates through annotating the black passageway. The suction device comprises a suction pump body, a lever handle and a piston, the piston is hermetically installed in a suction chamber of the suction pump body, the lever handle is hinged with the shell, one end of the lever handle is connected with the piston, the other end of the lever handle is lifted, and the piston can be driven to move in the suction pump body so as to change the position of the piston in the suction chamber, so that the gas space in the suction chamber is compressed, and the air pressure of the suction chamber is increased.

The suction chamber in this embodiment is communicated with the ink storage cavity, and the lever handle is lifted to increase the pressure in the ink storage cavity, so that the ink in the ink storage cavity can be injected into the ink box. Compared with the prior art that the pressure of the ink storage cavity is increased through the needle tube type aspirator, the ink filling device of the ink box provided by the embodiment of the application increases the air pressure of the ink storage cavity in a mode of lifting the lever handle, can save the application force and is convenient to operate; thereby improving the ink injection efficiency.

Drawings

In order to more clearly illustrate the embodiments of the present application or the technical solutions in the prior art, the drawings needed to be used in the description of the embodiments or the prior art will be briefly described below, and it is obvious that the drawings in the following description are some embodiments of the present application, and other drawings can be obtained by those skilled in the art without creative efforts.

FIG. 1 is a schematic overall structure diagram of an ink filling device of an ink cartridge according to an embodiment of the present application;

FIG. 2 is a schematic view of an internal structure of an ink filling device of an ink cartridge according to an embodiment of the present application;

fig. 3 is an exploded schematic view of an ink filling device of an ink cartridge provided in an embodiment of the present application.

Description of reference numerals:

10-a housing;

11-a shell body; 12-a top cover; 101-a containment chamber; 102-an ink reservoir;

20-lever handle;

21-a handle; 22-fixed support arm; 23-a connecting rod;

30-a suction pump body; 31-a suction chamber;

40-a piston;

50-ink injection channel;

51-a first ink delivery channel; 52-a second ink delivery channel;

60-a first seal plate;

70-a second seal plate;

80-a first communication channel;

90-a second communication channel;

100-ink injection device;

200-ink cartridge;

201-ink injection port; 202-ink jet head.

Detailed Description

As described in the background art, the ink filling device of the related art is used to fill the ink cartridge with ink, which is relatively laborious and inefficient in filling the ink cartridge, and the inventor has found that the problem occurs because the ink filling device of the ink cartridge includes an ink container and a needle type suction unit, the needle type suction unit is communicated with the ink container, and air is filled into the ink container through the needle type suction unit to form positive pressure in the ink container, and in the process, as the pressure in the ink container gradually increases, the acting force applied to the push rod of the needle type suction unit also gradually increases, and the operation is relatively laborious.

To above-mentioned technical problem, the embodiment of the application provides an ink box annotates black device, it includes casing and suction device, suction device is including the suction pump body, lever handle and piston, piston seal installation is in the suction chamber of the suction pump body, lever handle and casing are articulated, and lever handle's one end and piston connection, the other end of lifting lever handle, can drive the piston and remove in the suction pump body in order to change the piston in the indoor position of suction, thereby compress the interior gas space of suction chamber, in order to increase the atmospheric pressure of suction chamber, and then can pour into the ink box with the ink in the ink storage chamber.

Compare with the pressure that increases storage ink chamber through needle tubing aspirator among the correlation technique, the atmospheric pressure of storage ink chamber is increased through the mode of operating the lever handle to this application embodiment, can sparingly exert force, the operation of being convenient for to promote and annotate black efficiency.

In order to make the aforementioned objects, features and advantages of the embodiments of the present application more comprehensible, embodiments of the present application are described in detail below with reference to the accompanying drawings. It is to be understood that the described embodiments are merely a few embodiments of the present application and not all embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present application.

As shown in fig. 1 to 3, an ink filling device 100 of an ink cartridge provided in an embodiment of the present application is used for filling ink into an ink cartridge 200, and the ink filling device 100 includes a housing 10 and a suction device, where the housing 10 may be a rectangular housing, and an accommodating chamber 101 and an ink storage chamber 102 are disposed inside the housing, the ink storage chamber 102 may be disposed near the bottom of the housing 10, and the ink storage chamber 102 is used for storing ink; the accommodating chamber 101 may be disposed near the top of the housing 10, with the accommodating chamber 101 being located above the ink storage chamber 102; the accommodating chamber 101 is used for mounting the ink cartridge 200, and the ink filling port 201 of the ink cartridge 200 is communicated with the ink storage chamber 102 through the ink filling passage 50, so that the ink in the ink storage chamber 102 can be filled into the ink cartridge 200.

The suction device is disposed in the housing 10 and is located at one side of the housing 10. For example, the suction device may be disposed on the left side of the accommodating chamber 101 and above the ink reservoir 102. The suction device is used for changing the pressure in the ink storage cavity 102, and when the ink storage cavity 102 is in a positive pressure state, the suction device can inject the ink into the ink injection channel 50, overcome the self gravity of the ink, and enable the ink to be transmitted upwards along the ink injection channel 50 and injected into the ink box 200.

Referring to fig. 2, the pumping device provided by the embodiment of the present application includes a pumping cylinder 30, a lever handle 20 and a piston 40, wherein the pumping cylinder 30 may be a piston cylinder, which is fixedly installed in the housing 10 and located above the ink storage chamber 102.

The suction pump body 30 is provided with a suction chamber 31 therein, and a piston 40 is movably installed on an inner wall of the suction chamber 31 and is in sealing connection with the inner wall of the suction chamber 31. As the piston 40 moves within the piston body 30, the position of the piston 40 within the suction pump body 30 may be changed, thereby changing the gas space of the suction chamber 31 to change the gas pressure within the suction chamber 31.

The bottom of the suction chamber 31 communicates with the ink reservoir 102; illustratively, a first communication channel 80 is provided between the bottom of the suction pump body 30 and the ink storage chamber 102, the first communication channel 80 may be a communication pipe, one end of the first communication channel 80 communicates with the suction chamber 31, and the other end communicates with the ink storage chamber 102. With this arrangement, by changing the position of the piston 40 in the suction pump body 30, the air pressures in the suction chamber 31 and the ink reservoir 102 can be changed, and when the air pressure in the ink reservoir 102 is greater than the air pressure in the ink cartridge 200, the ink in the ink reservoir 102 is injected into the ink cartridge 200 through the ink injection passage 50.

In the embodiment of the present application, the piston 40 is connected to the lever handle 20, and the lever handle 20 is used to move the piston 40 in the suction pump body 30 and change the position of the piston 40 in the suction pump body 30 to change the air pressure in the suction chamber 31. For example, the lever handle 20 is hinged to the housing 10 and rotatable with respect to the housing 10; the lever handle 20 may be a multi-link mechanism, wherein one end of the lever handle 20 is a force application end, and one end of the lever handle 20 away from the force application end can extend into the housing 10 and is connected with the piston 40, and when the force application end is pressed or lifted, the lever handle 20 can drive the piston 40 to move up and down in the suction pump body 30.

When the ink filling device 100 of the ink cartridge provided by the embodiment of the application is used for filling ink into the ink cartridge 200, the force application end of the lever handle 20 is lifted, so that the piston 40 moves downwards in the suction pump body 30 to compress the gas in the suction chamber 31, and the air pressure in the suction chamber 31 and the air pressure in the ink storage cavity 102 are increased, so that the ink storage cavity 102 keeps a positive pressure state, and the ink can be filled into the ink cartridge 200 through the ink filling channel 50, so that the ink filling of the ink cartridge 200 is completed.

So set up, this application embodiment exerts the effort through lever handle 20 to piston 40, and reducible application is in the effort of exerting the end, exerts less power alright push piston 40 and removes in the suction pump body 30 to reach laborsaving mesh, thereby convenient operation promotes notes black efficiency.

In order to facilitate the installation of the ink cartridge 200 and the suction device, the casing 10 provided in the embodiment of the present application includes a casing body 11 and a top cover 12, wherein the casing body 11 is rectangular, the top of the casing body 11 is provided with an opening, the top cover 12 is matched with the opening, and the top cover 12 can cover the opening and seal the opening.

Further, the accommodating chamber 101 may be disposed at a right upper position of the case body 11, and the opening of the case body 11 communicates with the accommodating chamber 101, so that the ink cartridge 200 is mounted into the accommodating chamber 101. The suction pump body 30 is fixedly installed on the left side of the housing body 11 and located above the ink storage chamber 102, and the lever handle 20 is hinged to the housing body 11, so that the lever handle 20 can swing relative to the housing body 11, that is, when pressure is applied to the force application end of the lever handle 20, the other end of the lever handle 20 can swing upward, and when lifting force is applied to the force application end of the lever handle 20, the other end of the lever handle 20 can swing downward.

Further, the end of the lever handle 20 away from the force application end can extend through the top cover 12 into the suction pump body 30, and the lever handle 20 is connected to the piston 40, so that when the end of the lever handle 20 away from the force application end is actuated, the piston 40 is moved in the suction pump body 30.

Specifically, the lever handle 20 provided in this embodiment includes a handle 21, a connecting rod 23, and a fixed arm 22; the handle 21 may be a plate-like structure or a rod-like structure, which is not limited in this embodiment. Preferably, the handle 21 may be a plate-shaped structure, so that the contact area between the operator and the handle 21 can be increased during operation, and the operation is facilitated.

The first end of the handle 21 is a force application end for receiving external force; optionally, the first end of the handle 21 is provided with an anti-slip operation surface, so that the handle 21 is prevented from sliding with the hand of an operator during operation, and external force is conveniently applied to the handle 21, thereby improving the operation efficiency.

The second end of the handle 21 is hinged to a connecting rod 23, the connecting rod 23 extends in the height direction, and the end of the connecting rod 23 away from the handle 21 can extend into the suction pump body 30 and is connected to the piston 40. The handle 21 is hinged with one end of the fixed support arm 22, and the other end of the fixed support arm 22 is fixed on the shell body 11; for example, the end of the fixed arm 22 remote from the handle 21 may be fixed to the housing body 11 near the opening to facilitate mounting of the fixed arm 22. The fixed arm 22 in this embodiment provides support for the handle 21 and the handle 21 is rotatable about the fixed arm 22.

Further, a first rotation center formed by the handle 21 and the fixed arm 22 may be disposed near the first end of the handle 21 to increase the distance between the force application end and the first rotation center, thereby increasing the moment arm to provide a smaller force to the force application end to move the piston 40 in the suction pump body 30.

When the force application end of the handle 21 is lifted, the handle 21 can swing around the first rotation center, so that the second end of the handle 21 swings downward relative to the housing body 11, and since the second end of the handle 21 is hinged to the connecting rod 23, the swinging displacement of the handle 21 can be converted into the moving displacement of the connecting rod 23 in the suction pump body 30, so that the position of the piston 40 is lowered, and the air pressure in the suction chamber 31 and the ink storage chamber 102 can be increased.

On the basis of the above embodiment, in order to lift the rotation space of the handle 21 and avoid the interference between the handle 21 and the shell body 11, the handle 21 of the embodiment of the present application is provided with an arc-shaped section near the second end, that is, the arc-shaped section is arranged near the connecting rod 23, and two ends of the arc-shaped section are respectively hinged to the connecting rod 23 and the fixed support arm 22, and the arc-shaped section is bent towards the side departing from the shell body 11, or the arc-shaped section is bent towards the side departing from the connecting rod 23 and the fixed support arm 22; therefore, the swing range of the second end of the handle 21 can be enlarged, and the handle 21 is prevented from interfering with the shell body 11, so that the ink can be injected into the ink box 200 through the ink injection channel 50 when the handle 21 is lifted or pressed down.

The ink filling channel 50 provided by the present embodiment includes a first ink transmission channel 51 and a second ink transmission channel 52, wherein the first ink transmission channel 51 extends along the height direction, and one end of the first ink transmission channel 51 is communicated with the ink storage chamber 102 and is inserted into the ink; the other end of the first ink delivery path 51 extends to the top cover 12 and communicates with a second ink delivery path 52 on the surface of the top cover 12.

The second ink delivery channel 52 is disposed on the surface of the top cover 12 in the horizontal direction. For example, the second ink delivery channel 52 may be a channel formed in the surface of the top cover 12; or a connecting pipe is arranged on the surface of the top cover 12; this embodiment is not limited in this regard.

Both ends of the second ink transfer passage 52 are respectively provided with a communication hole, and one end of the second ink transfer passage 52 communicates with the first ink transfer passage 51 through the communication hole, and the other end thereof extends in the length direction of the top cover 12 and communicates with the ink injection port 201 of the ink cartridge 200 through the communication hole. So configured, the placement of the ink-fill channel 50 within the housing 10 can be optimized.

In one embodiment, a mounting cavity is provided in the housing body 11 for mounting the first ink delivery passage 51, and the first ink delivery passage 51 may be fixed to a sidewall forming the mounting cavity. Further, the mounting chamber may communicate with the ink reservoir 102, i.e., the bottom of the mounting chamber may be at least partially open for the first ink delivery channel 51 to pass through and be inserted into the ink. To increase the ink capacity, a portion of the ink may be located at the bottom of the mounting chamber.

In order to prevent the ink from flowing back when the ink is injected into the ink cartridge 200, the ink cartridge filling apparatus 100 of the present embodiment further includes a first sealing plate 60, the first sealing plate 60 is disposed between the top cover 12 and the ink filling opening 201 of the ink cartridge 200, a cover plate is disposed on the top of the ink cartridge 200, the ink filling opening 201 may be disposed on the cover plate, and the ink filling opening is communicated with the inside of the ink cartridge 200.

A first sealing space is formed between the first sealing plate 60 and the cover plate of the ink box, the first sealing plate 60 is provided with a first through hole, the first through hole is communicated with the second ink transmission channel 52, and the ink enters the first sealing space from the second ink transmission channel 52 and the first through hole; further, ink is injected into the ink cartridge 200 through the ink injection port 201. The flow area of the first through hole is much smaller than that of the ink filling port 201, so that the ink can be prevented from flowing back into the second ink transmission channel 52 through the first through hole.

The ink cartridge 200 is provided with an ink jet head 202, the ink jet head 202 being disposed opposite to the ink injection port 201; if the ink jet head 202 has bubbles during the printing process, the printing effect will be affected, so the bubbles in the ink jet head 202 can be removed during the ink filling process of the ink cartridge 200, thereby saving time, shortening the time for specially removing the bubbles in the ink jet head 202, and improving the printing efficiency.

Specifically, a second communication passage 90 is provided between the ink reservoir 102 and the inkjet head 202 to communicate the ink reservoir 102 with the inkjet head 202, so that air in the air bubbles in the inkjet head 202 can enter the ink reservoir 102 through the second communication passage 90 when the ink reservoir 102 is in a negative pressure state.

When a lifting force is applied to the force application end of the handle 21, the air pressure in the suction chamber 31 and the ink storage chamber 102 is increased, so that the ink can enter the ink cartridge 200 through the ink injection passage 50, and a part of the ink can enter the ink gun 202 of the ink cartridge 200 through the second communication passage 90.

When pressure is applied to the force application end of the handle 21, the piston 40 rises in the suction pump body 30 at this time, the air pressure in the suction chamber 31 decreases, the entire ink reservoir 102 is in a negative pressure state, air in the inkjet head 202 can be adsorbed through the second communication passage 90, and air in the air bubbles of the inkjet head 202 can be discharged into the ink reservoir 102 through the second communication passage 90.

Further, when the ink storage chamber 102 is in a negative pressure state, in order to prevent the ink from flowing back from the inkjet head 202 to the ink storage chamber 102, the second sealing plate 70 is disposed at the bottom of the accommodating chamber 101 in the embodiment of the present application, the second sealing plate 70 covers around the inkjet head 202, and a second sealing space is formed between the second sealing plate 70 and the bottom of the accommodating chamber 101, and the second sealing plate 70 is provided with a second through hole which is communicated with the second sealing space. The flow area of the second through hole is much smaller than that of the second communicating channel 90, so that the ink can be prevented from flowing back into the second communicating channel 90 through the second through hole.

The embodiments or implementation modes in the present specification are described in a progressive manner, each embodiment focuses on differences from other embodiments, and the same and similar parts among the embodiments may be referred to each other.

It should be noted that references in the specification to "one embodiment," "an example embodiment," "some embodiments," etc., indicate that the embodiment described may include a particular feature, structure, or characteristic, but every embodiment may not necessarily include the particular feature, structure, or characteristic. Moreover, such phrases are not necessarily referring to the same embodiment. Further, when a particular feature, structure, or characteristic is described in connection with an embodiment, it is within the knowledge of one skilled in the art to effect such feature, structure, or characteristic in connection with other embodiments whether or not explicitly described.

In general, terminology should be understood, at least in part, by the use of the context. For example, the term "one or more" as used herein may be used to describe any feature, structure, or characteristic in the singular or may be used to describe a combination of features, structures, or characteristics in the plural, depending, at least in part, on the context. Similarly, terms such as "a" or "the" may also be understood to convey a singular use or to convey a plural use, depending at least in part on the context.

It should be readily understood that "on … …", "above … …" and "above … …" in this disclosure should be interpreted in the broadest sense such that "on … …" means not only "directly on something", but also includes the meaning of "on something" with intervening features or layers therebetween, and "above … …" or "above … …" includes not only the meaning of "above something" or "above" but also includes the meaning of "above something" or "above" with no intervening features or layers therebetween (i.e., directly on something).

Furthermore, spatially relative terms, such as "below," "lower," "above," "upper," and the like, may be used herein for ease of description to describe one element or feature's illustrated relationship to another element or feature. Spatially relative terms are intended to encompass different orientations of the device in use or operation in addition to the orientation depicted in the figures. The device may have other orientations (rotated 90 degrees or at other orientations) and the spatially relative descriptors used herein interpreted accordingly as well.

Finally, it should be noted that: the above embodiments are only used for illustrating the technical solutions of the present application, and not for limiting the same; although the present application has been described in detail with reference to the foregoing embodiments, those of ordinary skill in the art will understand that: the technical solutions described in the foregoing embodiments may still be modified, or some or all of the technical features may be equivalently replaced; and the modifications or the substitutions do not make the essence of the corresponding technical solutions depart from the scope of the technical solutions of the embodiments of the present application.

Claims (10)

1. An ink box ink injection device is characterized by comprising a shell and a suction device;

an accommodating cavity and an ink storage cavity are arranged in the shell, the accommodating cavity is used for mounting an ink box, the ink storage cavity is used for storing ink, and the ink storage cavity is positioned below the accommodating cavity and communicated with an ink injection port of the ink box through an ink injection channel;

the suction device comprises a suction pump body, a lever handle and a piston, the suction pump body is arranged in the shell, the suction pump body is provided with a suction chamber, and the suction chamber is communicated with the ink storage cavity;

the piston is connected in the suction chamber in a sealing mode and is connected with the lever handle, and the lever handle is used for driving the piston to move in the suction chamber so as to change the air pressure in the ink storage cavity.

2. The ink cartridge filling apparatus according to claim 1, wherein said housing includes a housing body and a top cover;

an opening is formed in the top of the shell body, and the top cover is covered at the opening;

the suction pump body is fixed in the casing body, the lever handle with the casing body is articulated, just one end of lever handle passes the top cap and extends to in the suction pump body, and with the piston is connected.

3. The ink cartridge filling apparatus according to claim 2, wherein said lever handle comprises a handle, a link and a fixed arm;

one end of the connecting rod is connected with the piston, and the other end of the connecting rod is hinged with the handle;

one end of the fixed support arm is fixed on the shell body, and the other end of the fixed support arm is hinged with the handle.

4. The ink cartridge filling apparatus according to claim 3, wherein an end of said handle near said link is curved toward a side away from said link and forms an arc-shaped section;

one end of the arc-shaped section is hinged with the connecting rod, and the other end of the arc-shaped section is hinged with the fixed support arm.

5. The ink cartridge filling apparatus according to claim 2, wherein said filling channel includes a first ink delivery channel and a second ink delivery channel communicating with each other;

the first ink transmission channel is positioned in the shell body and extends along the vertical direction; one end of the first ink transmission channel extends into the ink storage cavity, and the other end of the first ink transmission channel is communicated with the second ink transmission channel;

the second ink transmission channel is arranged on the surface of the top cover and is communicated with the ink injection port of the ink box.

6. The ink cartridge filling apparatus according to claim 5,

still be provided with in the casing with store up the installation cavity of ink chamber intercommunication, first ink transmission path sets up the installation intracavity.

7. The ink cartridge filling apparatus according to claim 5, further comprising a first sealing plate;

the first sealing plate is arranged between the top cover and the ink injection port of the ink box;

the first sealing plate is provided with a first through hole which is respectively communicated with the second ink transmission channel and the ink injection port of the ink box.

8. The ink cartridge filling apparatus according to claim 1, wherein a first communication passage is provided between said suction chamber and said ink storage chamber;

the first communication channel is communicated with the bottom of the suction chamber, and the other end of the first communication channel is communicated with the ink storage cavity.

9. The ink cartridge filling apparatus according to any one of claims 1 to 8, wherein the ink cartridge includes an ink jet head;

a second communication channel is arranged between the ink storage cavity and the ink gun and is communicated through the second communication channel.

10. The ink cartridge filling apparatus according to claim 9, further comprising a second sealing plate;

the second sealing plate is arranged at the bottom of the accommodating cavity and covers the ink gun;

the second sealing plate is provided with a second through hole which is respectively communicated with the second communicating channel and the ink gun.

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