CN215153131U - Ink box - Google Patents

Abstract

The utility model discloses an ink box, including the printer head casing, ink bag, face lid, former chip, retrieve chip and ink bag chip, the ink bag holds in the printer head casing, retrieves the chip setting on the outer wall of printer head casing, and the ink bag chip sets up on the ink bag, retrieves the chip and has first region and second region, and the first region is connected with former chip electricity on the printer head casing, and the ink box still includes the reference column for the location between second region and the ink bag chip; the outer wall is provided with a gap; the second region is electrically connected to the ink bag chip in the gap. The ink horn is provided with the reference column for retrieve on the chip can pass through accurate location of reference column to the ink sac chip, and be connected with it electricity, the reference column can improve the stability of retrieving chip and ink sac chip contact.

Description

Ink box

Technical Field

The utility model relates to a printer technical field especially relates to an ink horn.

Background

Among the prior art, the inside of former abandonment ink horn is revised as the ink horn of a detachable ink sac to can be through changing ink sac reuse ink horn shell, resources are saved. Patent document CN112277475A discloses an ink cartridge comprising: the ink bag type printer comprises a print head shell 1, an ink bag shell 2, a first chip 101 and a second chip 201, wherein the ink bag shell 2 is accommodated in the print head shell 1, and the second chip 201 is arranged on the ink bag shell 2; the first chip 101 is provided with a first area 101a and a second area 101b, the first area 101a is disposed on the outer wall of the print head housing 1, the top of the print head housing 1 is provided with a print head housing opening 11, the second area 101b extends towards the edge of the print head housing opening 11 and extends to the inner wall of the print head housing 1 by bypassing the edge of the print head housing opening 11, and the second area 101b is electrically connected with the second chip 201. The first chip of the existing scheme needs to bypass the top surface of the printing head shell to be electrically connected with the chip of the ink bag, so that the installation between the chip of the ink bag and the first chip is unstable, and the phenomena of poor chip contact and unidentifiable installation easily occur.

SUMMERY OF THE UTILITY MODEL

According to an aspect of the present invention, there is provided an ink cartridge, including a printhead housing, an ink bag, a face cover, a primary chip, a recovery chip, and an ink bag chip, wherein the ink bag is accommodated in the printhead housing, the recovery chip is disposed on an outer wall of the printhead housing, the ink bag chip is disposed on the ink bag, the recovery chip has a first region and a second region, the first region is electrically connected to the primary chip on the printhead housing, the ink cartridge further includes a positioning column for positioning between the second region and the ink bag chip; the outer wall is provided with a notch; the second region is electrically connected to the ink bag chip in the gap.

Preferably, the positioning column is a protruding block extending along the first direction, and the second area is provided with a positioning hole matched with the positioning column.

Preferably, the positioning column is arranged on the face cover or on the ink bag.

Preferably, the ink cartridge further comprises a limit post, and the limit post is arranged on the print head housing or on the face cover.

Preferably, the limiting columns are located on two sides of the ink bag chip and used for limiting the degree of freedom of the ink bag chip in the second direction.

Preferably, in a state where the ink bag is mounted to the head case, at least a part of the stopper post abuts against a front surface of the ink bag chip in the first direction to restrict a degree of freedom of the ink bag chip in the first direction.

Preferably, the second region is a rigid chip, and the first region is a flexible chip.

Preferably, an elastic member is arranged between the ink bag chip and the ink bag.

Preferably, the limiting column and the positioning column are integrally arranged.

Preferably, the length of the gap in the third direction is greater than or equal to the length of the part of the recovery chip located in the gap; the width of the notch in the second direction is larger than or equal to the width of the part of the recovery chip in the notch.

The utility model has the advantages that: the ink horn is provided with the reference column for retrieve on the chip can pass through accurate location of reference column to the ink sac chip, and be connected with it electricity, the reference column can improve the stability of retrieving chip and ink sac chip contact.

Drawings

Fig. 1 is a schematic view of the overall structure of an ink cartridge according to some embodiments of the present invention;

FIG. 2 is an exploded view of an ink cartridge according to some embodiments of the present invention;

fig. 3 is a schematic view of an angled printhead housing according to some embodiments of the present invention;

fig. 4 is a schematic view of another angle of a printhead housing according to some embodiments of the present invention;

FIG. 5 is an angled schematic view of an ink bag according to some embodiments of the present invention;

fig. 6 is a schematic view of an ink bag according to another embodiment of the present invention;

fig. 7 is a schematic view of an angle of a face cover according to some embodiments of the present invention;

fig. 8 is a schematic view of another angle of the cover according to some embodiments of the present invention;

fig. 9 is a partially exploded schematic view of some embodiments of the present invention;

fig. 10 is a schematic cross-sectional view of the recovery chip and the ink bag chip of the present invention.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings, in order to better describe the ink cartridge, a three-dimensional rectangular coordinate system XYZ shown in fig. 1 is set, wherein the + X axis direction is a first direction, the + Y axis direction is a second direction, the + Z axis direction is a third direction, the third direction is a vertical direction, and the first direction, the second direction and the third direction are perpendicular to each other; the other two directions are similarly defined with the positive direction of the coordinate axis being "front" in the direction, the negative direction of the coordinate axis being "rear" in the direction, for example, the positive direction along the X axis being "front" in the first direction, the negative direction along the X axis being "rear" in the first reverse direction.

Fig. 1 schematically shows an ink cartridge according to an embodiment of the present invention. As shown in the figure, the ink cartridge includes a head case 1, an ink bag 2, a face cover 3, a raw chip 4, a recovery chip 5, an ink bag chip 6, a positioning column 7, and a spacing column 8.

As shown in fig. 1 to 4, a head case 1, which is open at the top and has a cavity inside for accommodating an ink bag 2; the cross-sectional shape of the cavity of the print head housing 1 may be a regular shape such as a square or a rectangle, or may be other irregular shapes, which is not limited in this embodiment; in addition, the size of the cavity of the print head shell 1 is not limited in the embodiment, and the size of the cavity is related to the model of the printer; the sectional shape and size of the outer wall of the ink bag 2 are set appropriately so that the ink bag 2 can be accommodated in the head case 1. Meanwhile, the section shape and the size of the outer wall of the printing head shell 1 are reasonably arranged, so that the printing head shell 1 can be accommodated in the printer body.

The bottom of the printing head shell 1 is provided with a printing nozzle 11 and an ink feeding port, the outer wall of the printing head shell 1 is provided with a primary chip 4, the outer wall is the wall around the printing head shell 1, specifically, the primary chip 4 is arranged on the outer side of the front wall 1a of the printing head shell 1, and the primary chip 4 is positioned at the position, close to the lower part, of the front wall 1 a.

As shown in fig. 3 to 4, the front wall 1a of the printhead housing 1 is further provided with a notch 12, the notch 12 is a through hole penetrating through the front wall 1a of the printhead housing 1, the notch 12 extends downward from the top of the front wall 1a along the third direction, and the size of the notch 12 is greater than or equal to the portion of the recovery chip 5 and/or the ink bag chip 6 embedded in the notch 12. Preferably, the notch 12 is a rectangular through hole, and may also be a through hole of other regular or irregular geometric shapes, because the notch 12 is used for electrically connecting the recovery chip 5 and the ink bag chip 6 at the notch 12, therefore, the length of the notch 12 in the third direction can be greater than or equal to the length of the portion of the recovery chip 5 and the ink bag chip 6 entering the notch 12, the width of the notch 12 in the second direction can be greater than or equal to the width of the portion of the recovery chip 5 and the ink bag chip 6 entering the notch 12, the opening of the notch 12 may meet the requirements of the length and the width, and the specific shape thereof is not limited in this embodiment.

As shown in fig. 1-2 and 5-6, the ink bag 2 is open at the top and has a cavity inside, the cavity inside the ink bag 2 is used for containing ink, and the top of the ink bag 2 is provided with a face cover 3 for sealing the top opening of the ink bag 2. The ink bag 2 may be substantially rectangular parallelepiped, may be regular such as a cube, or may be irregular in other shapes, which is not limited in the present embodiment.

As shown in fig. 5, the ink bag 2 is provided with an ink outlet 21 at the bottom, the ink outlet 21 faces a third direction for leading ink to the printing head 11 for printing, and in a state where the ink bag 2 is mounted on the head housing 1, the ink feeding port of the head housing 1 and the ink outlet 21 are correspondingly communicated to form an ink channel communicating with the printing head 11.

As shown in fig. 7 and 8, the face cover 3 is provided on the top of the ink bag 2 for sealing the ink bag 2, and the face cover 3 is provided with a locking portion 31, an air vent 32, an air vent groove 33, and an ink filling hole 34. The engaging portion 31 is used to engage with the printer body, so that the ink cartridge is mounted and fixed in the printer body. The surface cover 3 is fixed to the top of the print head housing 1 by engagement, specifically by engagement of a rib and a groove. The air vent 32 is used for guiding out air in the ink bag 2, and the air vent 32 is communicated with the inside of the ink bag 2, so that air pressure between the ink bag 2 and the external environment is balanced, and ink can smoothly flow out. Annotate inside the china ink hole 34 can communicate the china ink bag 2 for inject the ink into inside the china ink bag 2, through annotating the china ink hole 34 to the inside ink that injects of china ink bag 2, easy operation is convenient. One end of the air guide groove 33 is communicated with the air guide hole 32, and the other end of the air guide groove 33 is provided with an opening communicated with the outside. The air guide hole 32, the air guide groove 33 and the opening form an air guide system for balancing the pressure difference between the ink bag 2 and the outside air.

As shown in fig. 2, 5 and 6, the ink bag chip 6 is disposed on an outer wall of the ink bag 2, specifically, on the front wall 2a of the ink bag 2 in the first direction, and the ink bag chip 6 may be connected to the ink bag 2 by a movable connection, such as a snap-fit connection, in which the ink bag chip 6 can move relative to the ink bag 2 within a certain range; the ink bag chip 6 can also be connected with the ink bag 2 by welding or pasting. The ink bag chip 6 is provided with a connection terminal 61, and the connection terminal 61 is provided on the surface of the ink bag chip 6 away from the front wall 2a of the ink bag 2 and electrically connected to the recovery chip 5 through the connection terminal 61. The ink bag chip 6 may be in the form of a rectangular plate, and the ink bag chip 6 is provided above the front wall 2a of the ink bag 2 at a position matching the position of the notch 12, that is, in a state where the ink bag 2 is attached to the head case 1, the ink bag chip 6 or at least a part thereof (the connection terminal 61 portion) is located in the notch 12. The ink bag chip 6 is used for recording ink information on the ink bag 2, and the ink information may be information such as the material, color, initial ink amount, and the like of the ink. The ink bag chip 6 may be in a regular shape such as a square plate shape, or may be in other irregular shapes, which is not limited in this embodiment.

As shown in fig. 2 and 7-9, the limiting columns 8 are used for limiting the degrees of freedom of the ink bag chip 6 in the first direction and the second direction, specifically, the limiting columns 8 are disposed on the face cover 3 and disposed at the bottom of the front end of the face cover 3 in the first direction, the limiting columns 8 extend in the third direction, and the two limiting columns 8 may be disposed and located at two sides of the bottom of the face cover 3 in the second direction. In the state that the ink bag 2 is installed in the printing head shell 1 and the face cover 3 seals the ink bag 2, the limiting column 8 is located in the notch 12, at least one part of the limiting column 8 is tightly attached to the surface, in the first direction, of the ink bag chip 6, so that the ink bag chip 6 cannot move freely in the first direction, the limiting column 8 is located on two sides, in the second direction, of the ink bag chip 6, so that the ink bag chip 6 cannot move freely in the second direction, and the ink bag chip 6 is limited, so that the contact stability of the ink bag chip 6 and the recovery chip 5 can be improved. The limiting column 8 can be of a sheet-shaped structure; or a part of the ink bag chip 6 can be of a thin sheet-shaped structure, the thin sheet-shaped part is tightly attached to the surface of the ink bag chip 6, and the non-thin sheet-shaped part can be positioned in a gap between the ink bag chip 6 and the side wall of the notch 12.

Alternatively, the limiting columns 8 can be arranged at one position and only located at any side of the bottom of the face cover 3 in the second direction, and the same technical effect can be achieved.

Alternatively, the position-limiting column 8 may be disposed on the printhead housing 1, specifically, in the notch 12, the position-limiting column 8 is a thin-plate structure extending toward the middle of the notch 12 on any side wall of the notch 12, and in a state where the ink bag 2 is mounted on the printhead housing 1, the position-limiting column 8 is at least tightly attached to at least a portion of the surface of the ink bag chip 6 to limit the movement of the ink bag chip 6 in the first direction. Optionally, the plurality of limiting columns 8 may be provided, the limiting columns 8 are provided on different side walls of the notch 12, or a plurality of limiting columns 8 may be provided on the same side wall.

In some other embodiments, the position-limiting column 8 may be omitted, for example, in the case where the ink bag chip 6 is fixed by welding to the ink bag 2, the ink bag chip 6 cannot move relative to each other, and thus the position-limiting column 8 may be omitted.

As shown in fig. 1 to 4 and 9 to 10, the recovery chip 5 is disposed on an outer wall of the printhead housing 1, specifically, on the front wall 1a of the printhead housing 1, and the recovery chip 5 has a first region 51 and a second region 52, the first region 51 is disposed on the front wall 1a of the printhead housing 1, and the first region 51 is used for electrical connection with the original chip 4. Specifically, a conductive contact is provided on the outer side of the surface of the original chip 4, a contact portion is provided on the side of the first region 51 facing the original chip 4, the first region 51 can be attached to the outer side of the original chip 4, and the contact portion is in contact with the conductive contact, thereby performing electrical connection.

Alternatively, the first region 51 may be in electrical contact with at least a portion of the electrically conductive contacts on the primary chip 4.

Alternatively, the first region 51 may be located between the raw chip 4 and the outer wall of the printhead housing 1, the conductive contacts on the raw chip 4 being arranged on the inner side of the surface thereof, i.e. the conductive contacts facing the front wall 1a of the printhead housing 1, the first region 51 being inserted between the raw chip 4 and the front wall 1a of the printhead housing 1 so that the contact portions are in contact with the conductive contacts, thereby making electrical connection.

The second region 52 of the recovery chip 5 is used to electrically connect with the ink bag chip 6, the second region 52 is located on the side of the recovery chip 5 opposite to the third direction, that is, the second region 52 is located above the recovery chip 5, the second region 52 is located above the first region 51, the second region 52 is located corresponding to the notch 12, and the second region 52 is located in the notch 12 in the state where the recovery chip 5 is mounted to the head housing 1. The second area 52 is provided with a positioning hole 521 for matching and positioning the recovered chip 5 with the positioning column 7 during installation, so that the recovered chip 5 can be accurately positioned on the ink bag chip 6.

In this embodiment, the first region 51 of the recovery chip 5 may be a flexible chip, the second region 52 thereof may be a rigid chip, and the second region 52 electrically connected to the ink bag chip 6 is configured as a rigid chip, so that the contact between the recovery chip 5 and the ink bag chip 6 may be more stable. Specifically, the Flexible chip may be a Flexible Printed Circuit (FPC), and the rigid chip may be a Printed Circuit Board (PCB).

And the positioning column 7 is used for positioning between the second area 52 and the ink bag chip 6, the positioning column 7 is a bump extending along the first direction, preferably, the positioning column 7 is a cylindrical bump extending along the first direction, and the positioning column 7 is matched with the positioning hole 521, so that accurate positioning of the recovery chip 5 and the ink bag chip 6 is realized. Specifically, the positioning columns 7 may be disposed on the face cover 3, specifically, on the portions of the limiting columns 8 that are not attached to the ink bag chip 6, the two positioning columns 7 may be disposed on the two limiting columns 8 located on the two sides of the bottom of the face cover 3 in the second direction, the positions of the positioning columns 7 are matched with the positioning holes 521 on the second region 52 of the recovery chip 5, and when the two positioning columns 7 are disposed, the two positioning holes 521 are also correspondingly disposed. In a state where the ink bag 2 is mounted to the head casing 1, the positioning posts 7 are inserted into the positioning holes 521 so that the recovery chip 5 is positioned so as to be defined by the positioning posts 7 and not to be freely movable, and the contact electrical connection of the recovery chip 5 with the ink bag chip 6 is more stable, and at this time, the positioning posts 7 are positioned on both sides of the ink bag chip 6 in the second direction.

In this embodiment, the positioning column 7 and the limiting column 8 may be integrally formed or may be separately disposed.

Alternatively, the positioning columns 7 may be provided on the ink bag 2, and in particular, the positioning columns 7 are provided on the front wall 2a of the ink bag 2 in the first direction and on both sides or either side of the ink bag chip 6 in the second direction.

Alternatively, the positioning post 7 may also be a regular geometric shape such as a rectangular parallelepiped, a square, a prism, a hemisphere, or other irregular geometric shapes, and the positioning hole 521 on the second region 52 may also be set to a shape corresponding to the positioning post 7.

In some other embodiments, as shown in fig. 6 and 10, the ink cartridge may further include an elastic member 9, the elastic member 9 is disposed between the ink bag chip 6 and the front wall 2a of the ink bag 2, and the elastic member 9 is made of elastic material such as rubber or soft plastic, and under the action of the elastic force of the elastic member 9 itself, the movement of the ink bag chip 6 in the first direction can be limited, so as to improve the contact stability between the ink bag chip 6 and the recovery chip 5.

During printing, the recovery chip 5 is positioned on the printhead housing 1, the ink bag chip 6 is positioned on the ink bag 2 housing, and when the ink bag 2 is assembled on the printhead housing 1, the ink bag chip 6 is in contact with the recovery chip 5 (the second region 52 of the recovery chip 5 is in contact electrical connection with the ink bag chip 6 in the notch 12), and the recovery chip 5 is in contact electrical connection with the printer.

When the ink cartridge is used for printing, the printer sends an instruction for reading the ink volume, the ink cartridge chip 6 and the recovery chip 5 simultaneously receive the instruction of the printer, the ink cartridge chip 6 feeds back ink volume information to the printer at the moment, the recovery chip 5 feeds back information that the residual ink volume in the ink cartridge is 0 to the printer, and the printer receives a superposed signal of the two chips and recognizes the superposed signal as the required ink volume information.

The printer acquires the ink information stored in the ink bag chip 6 through the recovery chip 5 and the ink bag chip 6, calculates the ink consumption according to the printing condition, further obtains the residual ink quantity in the shell of the ink bag 2, and stores the residual ink quantity in the ink bag chip 6; after the printer reads the information that the ink amount is 0, the printer prompts that the ink is exhausted, prompts a user to replace the ink box, and at the moment, only the ink bag 2 in the printer needs to be replaced, so that the printing head shell 1 is repeatedly utilized, resources are saved, and environmental pollution is avoided.

The actual ink amount in the ink bag 2 can be obtained in the mode, and the problems that the printing head is damaged by ink waste and idle printing or the printing line is broken are solved. It should be understood by those skilled in the art that after receiving the command from the printer, the ink bag chip 6 may directly feed back the ink amount information to the printer. In addition, it will be appreciated by those skilled in the art that the recovery chip 5 and the ink bag chip 6 may respond to various commands of the printer, respectively, or may cooperate with each other to respond to commands of the printer.

In the description of the present invention, unless explicitly stated or limited otherwise, the terms "first", "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance; the term "plurality" means two or more unless specified or indicated otherwise; the terms "connected," "fixed," and the like are to be construed broadly and may, for example, be fixedly connected, detachably connected, integrally connected, or electrically connected; may be directly connected or indirectly connected through an intermediate. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.

In the description of the present invention, it should be understood that the terms "front", "back", "upper" and "lower" used in the embodiments of the present invention are used in the angle shown in the drawings, and should not be construed as limiting the embodiments of the present invention. In addition, in this context, it will also be understood that when an element is referred to as being "directly connected to" or "directly behind" another element, it can also be indirectly connected to "directly" or "directly behind" the other element through intervening elements.

What has been described above are only some embodiments of the invention. For those skilled in the art, without departing from the inventive concept, several modifications and improvements can be made, which are within the scope of the invention.

Claims (10)

1. The ink box comprises a printing head shell, an ink bag, a face cover, a primary chip, a recovery chip and an ink bag chip, wherein the ink bag is accommodated in the printing head shell, the recovery chip is arranged on the outer wall of the printing head shell, the ink bag chip is arranged on the ink bag, the recovery chip is provided with a first area and a second area, the first area is electrically connected with the primary chip on the printing head shell, the ink box is characterized in that,

the ink box also comprises a positioning column which is used for positioning the second area and the ink bag chip;

the outer wall is provided with a notch;

the second region is electrically connected to the ink bag chip in the gap.

2. The ink cartridge as claimed in claim 1, wherein the positioning post is a protrusion extending along the first direction, and the second region is provided with a positioning hole for engaging with the positioning post.

3. The ink cartridge as claimed in claim 2, wherein the positioning column is provided on the face cover or on the ink bag.

4. The ink cartridge of claim 1, further comprising a spacing post disposed on the printhead housing or on the face cap.

5. The ink cartridge as claimed in claim 4, wherein the position restricting posts are located on both sides of the ink bag chip for restricting a degree of freedom of the ink bag chip in the second direction.

6. The ink cartridge according to claim 4, wherein at least a part of the stopper post abuts against a front surface of the ink bag chip in the first direction in a state where the ink bag is mounted to the head housing to restrict a degree of freedom of the ink bag chip in the first direction.

7. The cartridge of claim 1, wherein the second region is a rigid chip and the first region is a flexible chip.

8. The ink cartridge as claimed in claim 1, wherein an elastic member is provided between the ink bag chip and the ink bag.

9. The ink cartridge as claimed in claim 5, wherein the positioning post is integrally provided with the position-limiting post.

10. The cartridge of claim 1, wherein the length of the notch in the third direction is greater than or equal to the length of the second region of the recovery chip;

the width of the gap in the second direction is larger than or equal to the width of the second area of the recovery chip.

Images