CN220482881U

CN220482881U - Ink box

Info

Publication number: CN220482881U
Application number: CN202322102475.9U
Authority: CN
Inventors: 徐长江; 毕庆功; 黄喜龙
Original assignee: Topjet Technology Co ltd
Current assignee: Topjet Technology Co ltd
Priority date: 2023-08-04
Filing date: 2023-08-04
Publication date: 2024-02-13
Anticipated expiration: 2033-08-04

Abstract

The utility model discloses an ink box, which comprises an outer shell, a frame, a flexible film and an ink-out detection assembly, wherein the outer shell is provided with a plurality of ink-out detection grooves; the front end of the outer shell is provided with a first opening; the flexible film is connected to the frame and surrounds the synthetic ink accommodating cavity with the frame; the ink-out detection assembly comprises a detection lever, a first magnetic part and a second magnetic part, wherein the detection lever is rotationally connected to the frame, the first magnetic part is connected to the rear end of the detection lever, the second magnetic part is arranged in the ink accommodating cavity and can be close to and attract the first magnetic part along with the shrinkage of the flexible film, so that the detection lever rotates relative to the frame, the rear end of the detection lever is tilted, the detection end of the front end is not exposed from the first opening, the ink in the ink accommodating cavity can be used up, the situation that the printer is misdetected due to the movement of the detection lever driven by the movement of the flexible film can be avoided, the hole for penetrating the detection lever is not required to be formed in the ink accommodating cavity, and the ink leakage phenomenon caused by the fact that the hole is not tightly sealed can be avoided.

Description

Ink box

Technical Field

The utility model relates to the technical field of printing consumables, in particular to an ink box.

Background

The ink box is common printing consumable in the printer, is provided with the ink that is used for detecting whether ink used up on the ink box and is full of detection mechanism, and current some ink is full of detection mechanism, through setting up the lever in the ink holding chamber of ink box, the one end and the flexible membrane in ink holding chamber of lever are connected, and the other end can expose outside the casing to with the detection structure butt of printer. When the ink is used up, the ink accommodating cavity can be imbibed, the flexible film can shrink and drive one end of the lever to move, so that the position of the end, which is abutted with the detection structure of the printer, of the lever is correspondingly changed, and whether the ink is used up can be judged by detecting the position change of the end of the lever.

However, these ink-out detection mechanisms have the following problems: 1. one end of the lever is arranged in the ink accommodating cavity, a hole for the lever to pass through is formed in the ink accommodating cavity, and if the hole is not tightly sealed, the ink leakage phenomenon is easy to occur; 2. because the lever is directly connected with the flexible film, when the ink quantity is reduced, the lever can move along with the suction shrinkage of the flexible film, and the detection structure of the printer can not detect or detect the position of the exposed end of the inaccurate lever, so that misjudgment occurs, and the printer is inconvenient to use.

Disclosure of Invention

In order to overcome the defects of the prior art, the utility model aims to provide the ink box, which can avoid the phenomenon of misjudgment of a printer caused by the movement of a lever driven by the movement of a flexible film and can prevent ink leakage caused by the loose sealing of a through hole of the lever.

In order to solve the problems, the technical scheme adopted by the utility model is as follows: an ink cartridge includes an outer housing, a frame, a flexible membrane, and an ink-out detection assembly; the front end of the outer shell is provided with a first opening; the frame is arranged in the outer shell, the flexible film is connected to the frame and surrounds the frame into an ink accommodating cavity, and the front end of the frame is provided with an ink outlet communicated with the ink accommodating cavity; the ink-out detection assembly comprises a detection lever, a first magnetic piece and a second magnetic piece, wherein the detection lever is rotationally connected to the frame, the first magnetic piece is connected to the rear end of the detection lever, and the second magnetic piece is arranged in the ink accommodating cavity and can be far away from or close to the first magnetic piece along with the expansion or shrinkage of the flexible film; when the ink accommodating cavity is filled with ink, a detection end at the front end of the detection lever is exposed in the first opening; when the ink in the ink accommodating cavity is used up, the flexible film is shrunken, and the second magnetic piece is close to the first magnetic piece and attracts mutually with the first magnetic piece, so that the detection lever rotates relative to the frame, and the detection end at the front end of the detection lever is not exposed in the first opening.

Compared with the prior art, the utility model has the beneficial effects that: the detection lever of the ink box realizes the position change of the detection end through the magnetic connection state between the first magnetic piece and the second magnetic piece, the detection lever is not required to be directly connected with the flexible film, and the magnetic force of the second magnetic piece can be enough forced to act by the magnetic force of the second magnetic piece only when the flexible film is completely imbibed, so that the situation of false detection of a printer caused by the movement of the detection lever driven by the movement of the flexible film in the prior art can be avoided. Meanwhile, the detection lever is not directly connected with the flexible film, and can be arranged outside the ink accommodating cavity, so that holes for penetrating the detection lever are formed in the ink accommodating cavity, and ink leakage caused by poor hole sealing can be avoided.

The ink cartridge further comprises an elastic piece, wherein the elastic piece is arranged in the ink accommodating cavity, one end of the elastic piece is connected with the frame, and the other end of the elastic piece is abutted against the second magnetic piece.

In the ink cartridge, the second magnetic member is connected to the other end of the elastic member.

In the ink cartridge, the second magnetic member is connected to a side wall of the ink accommodating cavity, which is far away from the first magnetic member.

The ink box comprises a first cavity and a second cavity which are communicated with each other, wherein the ink containing cavity is formed by the front part and the rear part, the ink outlet is communicated with the first cavity, and the second magnetic piece is arranged in the first cavity.

In the ink cartridge, the volume of the first chamber is smaller than the volume of the second chamber.

Above-mentioned ink horn, the front end of frame is equipped with the concave part, the flexible membrane includes first flexible membrane and second flexible membrane, first cavity by first flexible membrane with the concave part encloses and closes and form, the second cavity by first flexible membrane and second flexible membrane enclose and close and form.

The ink box comprises an outer shell, a main shell and a rear cover, wherein the outer shell comprises a front cover, a main shell and a rear cover which are sequentially connected from front to back, and the frame is arranged in the main shell.

In the ink cartridge, the first opening and the second opening are both arranged on the front cover.

According to the ink box, the limiting structure is arranged at the front end of the frame and is located at the upper side of the detection end.

The utility model is described in further detail below with reference to the drawings and the detailed description.

Drawings

FIG. 1 is a schematic view of the overall structure of an ink cartridge according to an embodiment of the present utility model;

FIG. 2 is an exploded view of an ink cartridge according to an embodiment of the present utility model;

FIG. 3 is a schematic view of the ink end detection assembly of the present utility model when the ink is not used up;

FIG. 4 is a schematic diagram of the state of the ink being not used up according to the embodiment of the present utility model;

FIG. 5 is a schematic view showing the state of the ink-out detecting unit of the present utility model when the ink is used up;

FIG. 6 is a schematic diagram showing the state of the ink-out according to the embodiment of the present utility model;

fig. 7 is a schematic view of the structure of an ink containing chamber according to an embodiment of the present utility model.

Reference numerals illustrate: 100 outer shell, 110 front cover, 111 first opening, 112 second opening, 120 main shell, 130 rear cover, 200 frame, 201 ink outlet, 202 limit structure, 210 concave part, 211 through hole, 220 first flexible film, 230 second flexible film, 240 first chamber, 250 second chamber, 300 ink out detection component, 310 detection lever, 311 first magnetic piece, 312 detection end, 320 second magnetic piece, 321 elastic piece.

Detailed Description

Referring to fig. 1 to 7, an embodiment of the present utility model provides an ink cartridge including an outer case 100, a frame 200, a flexible film, and an ink-out detection assembly 300; the front end of the outer casing 100 is provided with a first opening 111; the frame 200 is arranged in the outer shell 100, the flexible film is connected to the frame 200 and surrounds the frame 200 into an ink accommodating cavity, and the front end of the frame 200 is provided with an ink outlet 201 communicated with the ink accommodating cavity; the ink-out detection assembly 300 includes a detection lever 310, a first magnetic member 311, and a second magnetic member 320, wherein the detection lever 310 is rotatably connected to the frame 200, the first magnetic member 311 is connected to the rear end of the detection lever 310, and the second magnetic member 320 is disposed in the ink accommodating cavity and can be far away from or near the first magnetic member 311 following the expansion or collapse of the flexible film.

When the ink accommodating cavity is filled with ink, the second magnetic piece 320 is far away from the first magnetic piece 311, and the two magnetic pieces are not attracted to each other, at this time, the detection end 312 at the front end of the detection lever 310 is exposed in the first opening 111, so that the detection structure of the printer can be abutted with the detection end 312 of the detection lever 310 from the first opening 111 to detect the ink condition in the ink accommodating cavity. When the ink in the ink containing cavity is exhausted, the flexible film is shrunken, the second magnetic element 320 moves towards the first magnetic element 311 and attracts the first magnetic element 311 mutually, so that the detection lever 310 rotates relative to the frame 200, at this time, the rear end of the detection lever 310 is tilted, the front end is sunk, and the detection end 312 at the front end of the detection lever 310 is no longer exposed from the first opening 111, so that the detection end 312 cannot abut against the detection structure of the printer, and it can be judged that the ink in the ink containing cavity is exhausted.

Therefore, the detecting lever 310 of the ink cartridge can realize the position change of the detecting end 312 through the magnetic connection state between the first magnetic piece 311 and the second magnetic piece 320, the detecting lever 310 is not required to be directly connected with the flexible film, and only when the flexible film is completely shrunken, the distance between the second magnetic piece 320 and the first magnetic piece 311 can enable the magnetic force of the second magnetic piece 320 to be enough to force the detecting lever 310 to act, so that the situation that the printer is misdetected due to the fact that the detecting lever 310 is driven to move by the movement of the flexible film in the prior art can be avoided. Meanwhile, since the detection lever 310 is not directly connected with the flexible film, the detection lever 310 can be arranged outside the ink accommodating cavity, so that the ink leakage phenomenon caused by the fact that the hole is not tightly sealed can be avoided by arranging a hole for penetrating the lever on the ink accommodating cavity.

Further, in some embodiments, the ink-out detection assembly 300 further includes an elastic member 321, the elastic member 321 is disposed in the ink accommodating cavity, one end of the elastic member 321 is connected to the frame 200, and the other end of the elastic member abuts against the second magnetic member 320, when the ink is further stored in the ink accommodating cavity, the elastic member 321 can abut against the second magnetic member 320 toward one side of the second magnetic member 320, so as to keep the flexible film therein to be supported, so that the second magnetic member 320 can keep a sufficient distance from the first magnetic member 311, and the second magnetic member 320 and the first magnetic member 311 do not attract each other. Only when the ink in the ink containing chamber is completely exhausted, the flexible film is completely shrunken, the elastic member 321 is compressed, the second magnetic member 320 is close to the first magnetic member 311 following the shrunken flexible film, and a sufficient attractive force is generated to the first magnetic member 311, so that the detecting lever 310 rotates.

Specifically, in some embodiments, the second magnetic element 320 is connected to the other end of the elastic element 321, and the elastic element 321 is in an abutting state with the flexible film and is not fixedly connected with the flexible film, and when the flexible film is shrunken, the flexible film abuts against the elastic element 321, so as to drive the second magnetic element 320 to approach the first magnetic element 311. In other embodiments, the second magnetic element 320 is connected to a side wall of the ink containing cavity, which is far away from the first magnetic element 311, and in particular, the second magnetic element 320 may be fixedly connected to the flexible film by a welding manner, and when the flexible film is shrunken, the second magnetic element 320 may be driven to be close to the first magnetic element 311.

Further, the outer housing 100 includes a front cover 110, a main housing 120 and a rear cover 130 sequentially connected from front to back, the frame 200 is disposed in the main housing 120, the first opening 111 and the second opening 112 are both disposed in the front cover 110, and the ink outlet 201 is aligned with the second opening 112, so that the ink suction nozzle of the printer extends into from the second opening 112 and is in butt joint with the ink outlet 201. When the main casing 120 is mounted, the frame 200 may be mounted in the main casing 120 in the front-rear direction, and the front cover 110 and the rear cover 130 may be mounted from the front and rear ends, so that the mounting is facilitated, and the frame 200 and the ink accommodating chamber may be integrally wrapped to form protection. Specifically, the front end of the frame 200 is provided with the limit structure 202, the limit structure 202 is located at the upper side of the detection end 312, when ink is stored in the ink containing cavity, the first magnetic piece 311 is not attracted by the second magnetic piece 320, the rear end of the detection lever 310 naturally sags under the action of gravity, the front end of the detection lever 310 is tilted, the limit structure 202 can stop the front end of the detection lever 310, excessive tilting of the front end of the detection lever 310 is avoided, and accordingly the detection end 312 is ensured to be accurately exposed in the first opening 111.

Further, referring to fig. 1 and 7, the ink containing chamber sequentially includes a first chamber 240 and a second chamber 250, which are communicated with each other, from front to back, the ink outlet 201 is communicated with the first chamber 240, the second magnetic member 320 is disposed in the first chamber 240, and a through hole 211 allowing ink to pass through is provided between the first chamber 240 and the second chamber 250. When the printer draws ink from the ink containing chamber, the ink in the second chamber 250 is drawn first, the first chamber 240 serves as a buffer area, and the ink is drawn last, so that after the ink is drawn completely, the flexible film in the first chamber 240 is shrunken, and the second magnetic element 320 starts to act, so that the use condition of the ink can be detected more accurately. Specifically, the first chamber 240 serves as a buffer area, the second chamber 250 serves as a main area for storing ink, and the volume of the first chamber 240 may be set smaller than the volume of the second chamber 250. Specifically, the front end of the frame 200 is provided with a recess 210, the flexible film includes a first flexible film 220 and a second flexible film 230, the first chamber 240 is enclosed by the first flexible film 220 and the recess 210, and the second chamber 250 is enclosed by the first flexible film 220 and the second flexible film 230, so that the first magnetic member 311 at the rear end of the detection lever 310 can better receive the magnetic force of the second magnetic member 320.

It should be noted that, in the description of the present utility model, if an azimuth or positional relationship is referred to, for example, upper, lower, front, rear, left, right, etc., the azimuth or positional relationship is based on the azimuth or positional relationship shown in the drawings, it is merely for convenience of describing the present utility model and simplifying the description, and it is not indicated or implied that the referred device or element must have a specific azimuth, be configured or operated in a specific azimuth, and should not be construed as limiting the present utility model.

In the description of the present utility model, a plurality means one or more, and a plurality means two or more, and it is understood that greater than, less than, exceeding, etc. does not include the present number, and it is understood that greater than, less than, within, etc. include the present number. If any, first or second, etc. are described for the purpose of distinguishing between technical features only and not for the purpose of indicating or implying a relative importance or implicitly indicating the number of technical features indicated or implicitly indicating the precedence of the technical features indicated.

In the description of the present utility model, unless explicitly defined otherwise, terms such as arrangement, installation, connection, etc. should be construed broadly and the specific meaning of the terms in the present utility model can be reasonably determined by a person skilled in the art in combination with the specific contents of the technical scheme.

The above embodiments are only preferred embodiments of the present utility model, and the scope of the present utility model is not limited thereto, but any insubstantial changes and substitutions made by those skilled in the art on the basis of the present utility model are intended to be within the scope of the present utility model as claimed.

Claims

1. An ink cartridge characterized by comprising an outer case (100), a frame (200), a flexible film, and an ink-out detection assembly (300);

the front end of the outer shell (100) is provided with a first opening (111);

the frame (200) is arranged in the outer shell (100), the flexible film is connected to the frame (200) and surrounds the frame (200) into an ink accommodating cavity, and an ink outlet (201) communicated with the ink accommodating cavity is formed in the front end of the frame (200);

the ink-out detection assembly (300) comprises a detection lever (310), a first magnetic piece (311) and a second magnetic piece (320), wherein the detection lever (310) is rotatably connected to the frame (200), the first magnetic piece (311) is connected to the rear end of the detection lever (310), and the second magnetic piece (320) is arranged in the ink accommodating cavity and can be far away from or close to the first magnetic piece (311) along with the expansion or the shrinkage of the flexible film;

when the ink accommodating cavity is filled with ink, a detection end (312) of the front end of the detection lever (310) is exposed in the first opening (111);

when the ink in the ink accommodating cavity is used up, the flexible film is shrunken, the second magnetic piece (320) is close to the first magnetic piece (311) and attracts mutually with the first magnetic piece (311), so that the detection lever (310) rotates relative to the frame (200), and the detection end (312) at the front end of the detection lever (310) is not exposed in the first opening (111).

2. The ink cartridge as in claim 1, wherein the ink-out detection assembly (300) further comprises an elastic member (321), the elastic member (321) is disposed in the ink accommodating cavity, one end of the elastic member (321) is connected to the frame (200), and the other end of the elastic member abuts against the second magnetic member (320).

3. The ink cartridge according to claim 2, wherein the second magnetic member (320) is connected to the other end of the elastic member (321).

4. The ink cartridge as in claim 2, wherein the second magnetic member (320) is attached to a side wall of the ink containing chamber remote from the first magnetic member (311).

5. The ink cartridge according to claim 1, wherein the ink containing chamber includes a first chamber (240) and a second chamber (250) which are communicated with each other in this order from front to back, the ink outlet (201) is communicated with the first chamber (240), and the second magnetic member (320) is disposed in the first chamber (240).

6. The ink cartridge of claim 5, wherein a volume of the first chamber (240) is smaller than a volume of the second chamber (250).

7. The ink cartridge as in claim 5, wherein the front end of the frame (200) is provided with a recess (210), the flexible membrane comprises a first flexible membrane (220) and a second flexible membrane (230), the first chamber (240) is surrounded by the first flexible membrane (220) and the recess (210), and the second chamber (250) is surrounded by the first flexible membrane (220) and the second flexible membrane (230).

8. The ink cartridge according to claim 1, wherein the outer case (100) includes a front cover (110), a main case (120), and a rear cover (130) connected in this order from front to rear, and the frame (200) is provided in the main case (120).

9. The ink cartridge according to claim 8, wherein the first opening (111) and the second opening (112) are both provided in the front cover (110).

10. The ink cartridge as in claim 1, wherein a front end of the frame (200) is provided with a limit structure (202), the limit structure (202) being located on an upper side of the detection end (312).