CN211493303U - Ink box - Google Patents

Abstract

The utility model provides an ink cartridge, which comprises a print head casing, an ink bag casing, a first chip and a second chip, the ink bag casing is accommodated in the print head casing, and the second chip is arranged on the ink bag casing; A chip is provided with a first area and a second area, the first area is arranged on the outer wall of the print head housing, the top of the print head housing is provided with a print head housing port, and the second area faces the print head housing port. The edge extends and bypasses the edge of the opening of the print head housing and extends to the inner wall of the print head housing, the second area is electrically connected with the second chip, and the electrical connection between the ink cartridge and the printer is realized through the first chip and the second chip , and then realize the detection of the amount of ink; compared with the prior art, there is no hole in the cartridge shell, and even if the ink ejected from the print head leaks, it cannot enter the ink bag housing, thus avoiding the ink bag housing. circuit is damaged.

Description

ink cartridge

technical field

The utility model relates to the technical field of printers, in particular to an ink cartridge.

Background technique

In the prior art, the interior of the original waste ink cartridge is modified into a detachable inner tank ink tank, so that the ink tank shell can be reused by replacing the inner tank, thereby saving resources. However, this method requires punching holes on the cartridge shell to connect the circuits located in the cartridge shell and the inner cartridge respectively. The size of the holes is difficult to control, resulting in complicated process and difficult operation. If there is a gap, when the ink of the nozzle leaks to the circuit of the casing, it is likely to penetrate into the circuit of the inner ink cartridge through the hole on the casing or its gap, resulting in more serious damage to the circuit.

Utility model content

The embodiment of the present utility model provides an ink cartridge, which is used to solve the problem that a hole is provided on the outer casing of the ink cartridge, and the electric connection between the inner cartridge and the outer casing of the ink cartridge is realized by a circuit through the hole, and the ink easily enters the inner casing of the ink cartridge through the hole, thereby causing damage to the inner inner cartridge. technical issues.

An embodiment of the present invention provides an ink cartridge, comprising: a print head housing, an ink bag housing, a first chip and a second chip, wherein the ink bag housing is accommodated in the print head housing, and the second chip It is arranged on the ink bag housing; the first chip is arranged on the outer wall of the print head housing, and the first chip is provided with a first area and a second area, and the first area is used to communicate with the original The chips are electrically connected, the top of the print head housing is provided with a print head housing port, the second area extends to the edge of the print head housing port, and extends around the edge of the print head housing port to the inner wall of the print head housing, the second region is electrically connected to the second chip.

In the ink cartridge described above, preferably, the first chip and/or the second chip is a flexible chip; or the first chip and/or the second chip is a rigid chip.

In the ink cartridge as described above, preferably, an elastic member is provided between the second area and the inner wall of the print head housing, and the elastic member is used to push the ink bag housing against the second area, so as to make the second region and the second chip adhere.

In the ink cartridge as described above, preferably, a plurality of second chip electrical contacts are arranged on the second chip at intervals; a plurality of first chip electrical contacts are arranged on the second area at intervals, and the elastic member A plurality of abutting tops are arranged on the top, and each of the abutting tops corresponds to one of the first chip electrical contacts, and the first chip electrical contacts are used for bonding with the second chip electrical contacts.

In the ink cartridge as described above, preferably, a surface cover is provided on the top of the ink bag housing, and an air guide hole that communicates with the interior of the ink bag housing is provided on the surface cover.

In the ink cartridge as described above, preferably, the ink bag housing further includes a surface coating, an air guide groove is provided on the surface cover, one end of the air guide groove is communicated with the air guide hole, and the surface is covered with an air guide groove. The membrane covers the air guide groove and the air guide hole, and the other end of the air guide groove is provided with an opening communicating with the outside.

In the ink cartridge described above, preferably, the air guide groove extends on the surface cover in a curved manner.

In the ink cartridge described above, preferably, the face cover is further provided with an ink filling hole.

In the ink cartridge described above, preferably, a support portion is provided at the bottom of the ink bag housing, the bottom of the ink bag housing further has an ink outlet, and the support portion is located at one side of the ink outlet.

In the above ink cartridge, preferably, the edge of the face cover is provided with an engaging portion, the top end of the print head housing is provided with a rib, and the engaging portion is engaged with the rib.

In the above ink cartridge, preferably, the top of the ink bag housing is provided with a first protruding portion, the top of the print head housing is provided with a second protruding portion, and the first protruding portion is pressed against the top On the side of the second protrusion to limit the position between the ink bag housing and the print head housing.

In the ink cartridge described above, preferably, the top of the ink bag housing is provided with a snap portion, and the snap portion is snapped with the second protruding portion.

The ink cartridge provided by the embodiment of the present invention includes a print head casing, an ink bag casing, a first chip and a second chip, the ink bag casing is accommodated in the print head casing, and the second chip is arranged on the ink bag casing; A first area and a second area are set on the first chip, the first area is set on the outer wall of the print head housing, the top of the print head housing is provided with a print head housing port, and the second area faces the print head housing port. The edge extends from the edge of the print head housing, and extends around the edge of the print head housing mouth to the inner wall of the print head housing, the second area is electrically connected to the second chip, and the electrical connection between the ink cartridge and the printer is realized through the first chip and the second chip. Compared with the prior art, there is no hole in the cartridge casing, and even if the ink ejected from the print head leaks, it cannot enter the ink bag casing, thus avoiding the ink bag casing. The circuit of the body is damaged.

Description of drawings

The accompanying drawings, which are incorporated in and constitute a part of this specification, illustrate embodiments consistent with the disclosure and together with the description serve to explain the principles of the disclosure.

Fig. 1 is the inclined plane schematic diagram of the print head housing of the present invention;

FIG. 2 is a schematic view of the inclined plane of the exterior of the print head housing loaded with the first chip of the present invention;

FIG. 3 is a schematic view of the inclined plane inside the housing of the print head with the first chip installed in the utility model;

FIG. 4 is a schematic view of the inclined plane of the outside of the ink bag housing loaded with the second chip of the present invention;

FIG. 5 is a top view of the ink bag housing loaded with the second chip of the present invention;

6 is a schematic diagram of the cover of the ink bag housing of the present invention;

7 is a schematic diagram of the engagement between the cover of the ink bag housing and the print head housing of the present invention;

8 is a schematic front view of the ink cartridge of the present invention;

Fig. 9 is the inclined plane schematic diagram of the ink cartridge of the present invention;

10 is a schematic diagram of the contact between the first chip and the second chip of the present invention;

11 is a partial enlarged schematic view of the contact between the first chip and the second chip of the present invention;

12 is a schematic diagram of the inclined plane of the ink cartridge of Modification Example 1 of the present invention;

13 is a schematic view of the inclined plane of the first chip of the ink cartridge according to the second modification of the present invention;

14 is a schematic view of the inclined plane of the second chip of the ink cartridge according to the second modification of the present invention;

15 is a schematic perspective view of the interior of the print head housing in which the first chip is installed in the ink cartridge provided by the embodiment of the present invention;

FIG. 16 is a schematic perspective view of the first chip electrical contact in FIG. 15;

FIG. 17 is a schematic perspective view of FIG. 3 with a first chip electrical contact;

18 is a schematic diagram of the back of the ink cartridge provided by the embodiment of the present invention;

Fig. 19 is a partial enlarged view at A in Fig. 18;

20 is a top view of a face cover of an ink bag housing in a multi-color ink cartridge according to an embodiment of the present invention;

21 is a bottom schematic diagram of an ink bag housing in a monochrome ink cartridge provided by an embodiment of the present invention;

FIG. 22 is a bottom schematic diagram of an ink bag housing in a multi-color ink cartridge provided by an embodiment of the present invention.

Description of reference numbers:

1: print head housing;

11: Print head shell port;

12: original chip;

13: print nozzle;

14: Ribs;

101: the first chip;

101a: the first area;

101b: the second area;

1011: the first chip electrical contact;

15: the second protrusion;

2: Ink bag shell;

201: the second chip;

2011: The second chip electrical contact;

21: ribs;

22: card strip;

23: Air guide hole;

24: Air guide groove;

25: Ink hole;

26: engaging part;

27: Ink outlet;

28: support part;

29: snap part;

210: the first protrusion;

3: face cover;

4: elastic parts;

5: to the top.

Detailed ways

Exemplary embodiments will be described in detail herein, examples of which are illustrated in the accompanying drawings. Where the following description refers to the drawings, the same numerals in different drawings refer to the same or similar elements unless otherwise indicated. The implementations described in the illustrative examples below are not intended to represent all implementations consistent with this disclosure. Rather, they are merely examples of apparatus and methods consistent with some aspects of the present disclosure as recited in the appended claims.

The embodiments of the present invention and the features of the embodiments may be combined with each other without conflict. The present utility model will be described in detail below with reference to the accompanying drawings and in conjunction with the embodiments.

This embodiment is briefly described below:

FIG. 1 is a schematic view of the inclined plane of the print head housing of the present invention. As shown in FIG. 1 , a print head 13 is provided at the bottom of the print head housing 1 of the original ink cartridge, and an original chip 12 is provided on the surface adjacent to the print head. The original chip 12 is provided with a plurality of electrical contacts, and when the original ink cartridge is used, the plurality of electrical contacts are connected with the corresponding contacts on the printer side to establish an electrical connection between the original chip 12 and the printer. The top edge of the print head housing is the print head housing port 11 . In addition, as shown in FIG. 1, a rib 14 is formed on the above-mentioned print head housing. Preferably, in this embodiment, the above-mentioned rib 14 is located at the top of the side surface of the print head housing 1 . Those skilled in the art should understand that the position of the rib can also be set at other positions according to specific needs.

FIG. 2 is a schematic view of the inclined plane of the exterior of the print head housing with the first chip installed in the utility model. As shown in FIG. 2 , after the transformation is completed, a first chip 101 is attached to the surface of the above-mentioned print head housing where the original chip is located, and the first chip 101 at least overlaps with a part of the original chip. A first area 101a and a second area 101b are provided on the first chip, wherein the first area at least partially corresponds to the position where the original chip is located. The first area includes a plurality of electrical contacts, at least in contact with the corresponding electrical contacts on the original chip to establish an electrical connection between the first chip and the original chip. In this way, on the modified print head housing, the first region covers at least part of the original chip. In addition, a second area including other electrical contacts 1011 is provided at a position where the first chip is different from the first area. The second area is opposite to the first area and is located inside the ink cartridge in a direction perpendicular to the direction in which the ink bag is loaded. . As shown in FIG. 3 , as shown in FIGS. 1 to 3 , the first chip is externally attached to a part of the original circuit, and extends to the inside through the mouth of the print head housing. Those of ordinary skill in the art should understand that the above-mentioned first chip can not only be directly attached to the outer surface of the original chip, but also can be disposed between the original chip and the print head housing, that is, attached to the backside of the original chip.

FIG. 4 is a schematic view of the inclined plane of the outside of the ink bag housing in which the second chip is installed according to the present invention. The top of the ink bag housing 2 has a cover 3 for sealing the ink bag housing. As shown in FIGS. 5-6 , the cover also has a plurality of clips 22 engaged with the printer, air guide holes 23 and air guide grooves 24 for discharging the gas in the ink bag, and an ink filling hole 25 . In addition, the edge of the face cover also has an engaging portion 26 . There are single or multiple ribs 21 on the side, so that after the ink bag is installed in the print head casing, the friction between the ink bag and the print head casing is increased to prevent the printing caused by the displacement between the ink bag and the print head casing. Reduced quality. The bottom of the ink bag has an ink outlet 27, and a second chip 201 is attached to the side adjacent to the ink outlet. Like the first chip, the second chip has a second chip electrical contact 2011. In FIG. 7 , the ink bag housing is installed in the print head housing, and the engaging portion 26 on the surface cover is engaged with the rib 14 on the edge of the print head housing. At this time, as shown in FIGS. 8-11 , the first chip extends inward through the opening of the print head housing to a position opposite to the second chip, and at this time, the first chip contact is in contact with the second chip contact to form an electrical connection . At this time, even if the ink of the print head leaks, it will not penetrate into the interior of the print head housing, contaminate the second chip, and affect the ink bag circuit. During printing, the first chip is positioned on the print head housing, the second chip is positioned on the ink bag housing, and when the ink bag is assembled on the print head housing, the second chip is in contact with the first chip, and the first chip is in contact with the first chip. The chip is in contact with the printer. When printing, the printer sends an instruction to read the ink level, and the second chip and the first chip receive the printer’s instruction at the same time. At this time, the second chip feeds back the ink level information to the printer, and the first chip feeds back the ink tank with 0 remaining ink level. The information is sent to the printer. At this time, the printer receives the superimposed signal of the two chips and recognizes it as the required ink amount information; and the printer calculates the remaining ink amount information and writes the information to the second chip regularly; wait for the printer to read the ink amount After the message is 0, it prompts the ink to run out, and prompts the user to replace the ink cartridge. At this time, only the ink sac in it needs to be replaced. In this way, the actual amount of ink in the inner tank can be obtained, preventing ink waste, damage to the print head or print disconnection. Those of ordinary skill in the art should know that after receiving the instruction of the printer, the second chip can also directly feed back the ink quantity information to the printer. In addition, those skilled in the art should know that the above-mentioned first chip and second chip can not only respond to various instructions of the printer, but also cooperate with each other to respond to the instructions of the printer.

The first and second chips in this embodiment are both flexible chips.

Preferably, as shown in FIGS. 12-13 , the first chip is a flexible chip, and the second chip is a rigid chip. The rigid chip is provided with arc-shaped protrusions, and when the ink bag is loaded into the print head housing, the arc-shaped protrusions are in contact with the contacts of the first chip to form an electrical connection.

Preferably, as shown in FIG. 14 , the first and second chips are both rigid chips, the second chip has an arc-shaped protrusion, and the second chip is exposed on the print head housing and is in contact with the arc-shaped depression of the first chip , thereby forming an electrical connection.

The ink cartridge refers to the part in the inkjet printer used to store the printing ink, deliver the ink to the printing nozzle 13 and finally complete the printing. The split ink cartridge separates the print head 13 from the ink cartridge, and the ink cartridge is not integrated with the print head 13, which reduces the printing cost, prevents the user from damaging the print head 13 during the process of disassembling and assembling the ink cartridge, and improves the service life of the ink cartridge. In the split ink cartridge, it can be divided into single-color ink cartridges and multi-color ink cartridges according to the color conditions; among them, the single-color ink cartridges refer to the independent packaging of each color; the multi-color ink cartridges refer to the packaging of multiple colors in one ink cartridge. , in different chambers. However, the plastic shell of the discarded ink cartridge is difficult to decompose, and the chemical ink remaining in the ink cartridge will cause huge pollution to the environment and endanger human health.

FIG. 1 is an oblique schematic view of the print head housing of the present invention. As shown in FIG. 1 , an ink cartridge is provided, including: a print head housing 1 , an ink bag housing 2 , an ink bag housing chip and an original chip 12 . The top of the print head housing 1 is provided with a print head housing port 11, and the top of the print head housing 1 is provided with a rib 14; the original chip 12 is arranged on the outer wall of the print head housing 1, and the print head where the original chip 12 is located The outer wall of the housing 1 is provided with an opening, and the ink bag housing 2 is provided with an ink bag housing chip, and the original chip 12 is in contact with the ink bag housing chip through the opening to form an electrical connection. When printing, the printer obtains the ink information stored in the ink bag housing chip through the ink bag housing chip and the original chip 12, and then calculates the ink amount according to the printing situation, and then obtains the remaining ink amount in the ink bag housing 2, and The remaining amount of ink is stored in the ink bag housing chip; after the printer reads the information that the ink volume displayed by the ink bag housing chip is 0, it will prompt the ink to run out and remind the user to replace the ink bag housing 2 .

In this embodiment, by reading the ink quantity information and replacing the ink bag housing 2 in time, the print head housing 1 is reused, resources are saved, and environmental pollution is avoided.

However, this method needs to punch holes in the ink bag housing 2 to connect the circuits located in the ink bag housing 2 and the print head housing 1 respectively. The size of the holes is difficult to control, resulting in complicated process and difficult operation. If there is a gap between the circuit and the side wall of the hole due to improper control, the ink leaked from the print head 13 is likely to penetrate into the circuit of the ink bag housing 2 through the hole or the gap on the ink bag housing 2, resulting in serious damage to the circuit. In response to this technical problem, an embodiment of the present utility model provides an ink cartridge.

It should be understood that the above naming of the components of the ink cartridge is only for the purpose of identification, and should not be construed as a limitation on the embodiments of the present invention.

The ink cartridge provided in this embodiment includes: a print head housing 1 , an ink bag housing 2 , a first chip 101 and a second chip 201 , the ink bag housing 2 is accommodated in the print head housing 1 , and the second chip 201 is provided On the ink bag housing 2; the first chip 101 is provided with a first area 101a and a second area 101b, the first area 101a is provided on the outer wall of the print head housing 1, and the top of the print head housing 1 is provided with a printing Head housing port 11, the second area 101b extends to the edge of the print head housing port 11, and extends around the edge of the print head housing port 11 to the inner wall of the print head housing 1, the second area 101b and the second The chip 201 is electrically connected.

The ink cartridge provided in this embodiment is a split ink cartridge, which is connected with the printer body to form a printer, and the first ink supply system of the ink cartridge is connected with the second ink supply system of the printer body to realize printing. Specifically, the edge of the side wall of the print head housing 1 close to the bottom is provided with a print nozzle 13 for receiving ink for printing. The print head housing 1 has a cavity inside, and the cavity is used to accommodate the ink bag housing 2; the print head housing 1 and the ink bag housing 2 are assembled to form an ink cartridge, and the interior of the printer body has an installation groove, which is used to accommodate the ink cartridge .

In this embodiment, 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 are not limited in this embodiment; The size of the cavity of the shell 1 is also not limited, and the size of the cavity is related to the model of the printer; the cross-sectional shape and size of the outer wall of the ink bag shell 2 are reasonably set, so that the ink bag shell 2 can be accommodated in the print head shell. 1 inside. At the same time, the cross-sectional shape and size of the outer wall of the print head housing 1 are reasonably set, so that the print head housing 1 can be accommodated in the printer body.

Referring to FIGS. 2 and 3 , a first chip 101 is provided on the outer wall of the print head housing 1 , and a first area 101 a and a second area 101 b are provided on the first chip 101 , wherein the first area 101 a is provided on the print head housing On the outer wall of the body 1 , the first region 101 a is used for electrical connection with the original chip 12 . Specifically, conductive contacts are provided on the outer side of the original chip 12, and a contact portion is provided on the side of the first region 101a facing the original chip 12. The first region 101a can be attached to the outer side of the original chip 12, and the contact portion and the conductive contact are one. A correspondence is made to make an electrical connection. Wherein, the first region 101a forms an electrical contact corresponding to at least part of the conductive contacts on the original chip 12 .

The second area 101b extends toward the edge of the print head housing opening 11, and extends around the edge of the print head housing opening 11 to the inner wall of the print head housing 1, and the second area 101b is used to communicate with the second chip 201 electrical connection. Specifically, the print head housing port 11 is disposed at the edge of the outer wall of the print head housing 1 where the first area 101 a is located, and the second area 101 b is parallel to the inner wall of the print head housing 1 . Optionally, the edge of the opening 11 of the print head housing around which the second area 101b is provided may be in a circular arc shape, or may be in the shape of a chamfered prism, which is convenient for the second area 101b to be wound around the opening of the print head housing 1 . At the same time, the sharp edge of the print head housing 1 is prevented from damaging the second area 101b, resulting in electrical connection failure. Preferably, the top of the second area 101b is semicircular, and the radian is the same as that of the edge of the print head housing port 11, so that the second area 101b can be wound around the edge of the print head housing port 11, so as to be the same as the second area 101b. The chip 201 is electrically connected.

In this embodiment, the ink bag housing 2 has a cavity inside, and the cavity of the ink bag housing 2 is used for accommodating ink. Specifically, the bottom of the ink bag housing 2 is provided with an ink outlet 27, which is used to export ink to the printer body for printing. Correspondingly, the bottom of the print head housing 1 is provided with an ink supply port. 2 In the state of being installed in the print head housing 1, the ink supply port corresponds to the ink outlet port 27.

Since the ink bag housing 2 is accommodated in the cavity of the print head housing 1, in order to increase the friction between the ink bag housing 2 and the print head housing 1, it is possible to prevent the ink bag housing 2 from being empty in the print head housing 1 Relative displacement occurs in the cavity to affect the printing quality. Ribs 21 are provided on the side wall of the ink bag housing 2 ; Specifically, the rib 21 and the ink bag housing 2 can be connected by welding, or can be integrally formed by casting. A second chip 201 is provided on the side wall of the ink bag housing 2 , and is specifically provided on the side wall of the ink bag housing 2 that matches the second area 101b. The second chip 201 is connected to the ink bag housing 2 by welding.

Specifically, the first area 101a and the second area 101b are connected to form the first chip 101, and the first chip 101 may be a split type or an integrated type. When the first chip 101 is a split type, the connection between the first area 101a and the second area 101b can be welding or bonding; when the first chip 101 is a single piece, the first area 101a and the second area The connection mode of 101b may be integral molding.

In an achievable manner, the first chip 101 and the second chip 201 both include circuits, pins and chips. When the ink bag housing 2 is mounted on the print head housing 1, the first chip 101 is in contact with the printer, The second chip 201 is electrically connected to the first chip 101 , so that the circuits of the first chip 101 and the second chip 201 are connected, and the first chip 101 and the second chip 201 are enabled to work normally. When printing, the printer obtains the ink information stored in the second chip 102 through the first chip 101 and the second chip 102, and then calculates the amount of ink according to the printing situation, and then obtains the remaining ink amount in the ink bag housing 2, and uses The remaining amount of ink is stored in the second chip 102; specifically, the ink information may be information such as ink material, color, initial ink amount, and the like.

In another implementation manner, the first chip 101 includes a circuit, and the second chip 201 includes a circuit, pins and a chip. When the ink bag housing 2 is mounted on the print head housing 1, the first chip 101 and the printer are connected to each other. Contact, the second chip 201 is electrically connected to the first chip 101, so that the circuits of the first chip 101 and the second chip 201 are connected, and the second chip 201 is enabled to work normally.

The ink cartridge provided by the embodiment of the present invention includes a print head housing 1, an ink bag housing 2, a first chip 101 and a second chip 201. The ink bag housing 2 is accommodated in the print head housing 1, and the second chip 201 provided on the ink bag housing 2; the first chip 101 is provided with a first area 101a and a second area 101b, the first area 101a is provided on the outer wall of the print head housing 1, and the top of the print head housing 1 is provided with Print head housing port 11, the second area 101b extends to the edge of the print head housing port 11, and extends around the edge of the print head housing port 11 to the inner wall of the print head housing 1, the second area 101b and the first The two chips 201 are electrically connected. The electrical connection between the ink cartridge and the printer is realized through the first chip 101 and the second chip 201, thereby realizing the detection of the ink amount. Compared with the prior art, no holes are formed on the cartridge casing, so even if the ink ejected from the print head 13 leaks, it cannot enter the ink bag housing 2 , thereby avoiding circuit damage of the ink bag housing 2 .

At the same time, by reading the ink amount information, the actual ink amount in the ink bag housing 2 can be obtained, which can prevent waste of ink and avoid damage to the printing nozzle 13 by empty printing.

Preferably, the first chip 101 and/or the second chip 201 may be flexible chips; the first chip 101 and/or the second chip 201 may be rigid chips. Specifically, the flexible chip may be a flexible printed circuit board (Flexible Printed Circuit, FPC for short), and the rigid chip may be a printed circuit board (Printed Circuit Board, PCB for short).

In an achievable manner, the first chip 101 and the second chip 201 are both flexible chips, and the flexible chip has the advantages of being freely bent, folded, rolled, freely moved and stretched in three-dimensional space, and the flexible chip can be freely bent, folded, and rolled in three-dimensional space. 2 is installed in the print head housing 1, but there is a gap between the ink bag housing 2 and the print head housing 1, and when the first chip 101 is not attached to the second chip 201, the flexible chip makes the first chip 101 and the second chip 201 fit. The two chips 201 are stretched and then electrically connected to ensure stable electrical connection.

In another achievable manner, the first chip 101 and the second chip 201 are mixed rigid and flexible circuit boards, the first chip 101 is a flexible chip, and the second chip 201 is a rigid chip; or the first chip 101 is a For rigid chips, the second chip 201 is a flexible chip. The manufacturing and assembly costs of the flexible circuit board are high. Compared with the previous embodiment, the manufacturing and assembly costs are effectively reduced.

In another achievable manner, the first chip 101 and the second chip 201 are both rigid chips. When the printer is in use, the long-term connection between the first chip 101 and the second chip 201 is likely to generate high heat, and the rigid chip has good Heat dissipation performance, avoid heat concentration to damage the circuit.

Referring to FIGS. 15 to 19, FIG. 15 is a second perspective view of the interior of the print head housing with the first chip in the ink cartridge provided by the embodiment of the present invention; FIG. 16 is the first chip electrical contact in FIG. 15. Schematic perspective view; FIG. 17 is a schematic perspective view of a first chip electrical contact in FIG. 3 ; FIG. 18 is a schematic diagram of the back of the ink cartridge provided by the embodiment of the present invention; FIG.

In this embodiment, an elastic member 4 is disposed between the second area 101b and the inner wall of the print head housing 1, and the elastic member 4 is used to push the second area 101b against the ink bag housing 2, so that the second area 101b and the second area The chips 201 are attached, so that the first chip 101 and the second chip 201 are electrically connected stably, and the first chip 101 and the second chip 201 feed back ink quantity information to the printer, thereby reusing the print head housing 1 . Specifically, there is a gap between the second region 101b and the inner wall of the print head housing 1, and the elastic member 4 is accommodated in the gap.

Optionally, the elastic piece 4 can be a spring piece, a plastic piece, a spring, a rubber piece, etc., wherein the spring piece has good electrical conductivity and resilience, and can always press against the second region 101b and adhere to the second chip 201, and at the same time, The elastic sheet is in the shape of a thin sheet, with a small thickness, and the gap between the second area 101b and the inner wall of the print head housing 1 is small, so as to avoid loosening of the second area 101b. Taking the orientation shown in FIG. 19 as an example, specifically, the elastic piece includes a bending section and an abutting section. The bending section is bent to the left in the horizontal direction. The formed angles are the same, so that the elastic sheet can be completely attached to the inner wall of the print head housing 1, and the stability of the connection between the elastic sheet and the print head housing 1 is improved. Among them, because the elastic sheet has good elasticity, the bending section is easy to recover and deform under the action of elastic force, and both the bending section and the abutting section of the elastic sheet are connected with the print head housing 1 . Further, the elastic sheet can be connected to the print head housing 1 by means of adhesive, or can be connected to the print head housing 1 by means of screw connection or snap connection. In addition, the shrapnel can be rubber or soft plastic. The shrapnel made of rubber or soft plastic has certain elasticity and low hardness, which can prevent the shrapnel from wearing the second area 101b, thereby improving the service life of the ink cartridge. Preferably, the elastic member 4 can be an elastic metal sheet. In this case, insulation treatment needs to be performed between the elastic metal sheet and the second region 101b to prevent the elastic metal sheet from being connected to the circuit on the first chip 101. An insulating film made of rubber or plastic is formed on the surface of the elastic metal sheet.

Optionally, the elastic member 4 includes a spring, and the second region 101b abuts against the second chip 201 under the action of the spring to achieve electrical connection. Compared with the elastic piece, the spring has better compression performance and better abutting effect. Specifically, one end of the spring is connected to the inner wall of the print head housing 1, which can be connected by welding, or by clamping or gluing; the other end of the spring abuts against the second region 101b. When the ink bag housing 2 is not installed in the print head housing 1, the cavity of the print head housing 1 is empty, the spring is in the original state, and pushes against the second area 101b into the cavity of the print head housing 1; When the casing 2 is installed in the print head casing 1, the second chip 201 is electrically connected to the second area 101b, the second chip 201 presses the second area 101b toward the inner wall of the print head casing 1, and the spring is in a compressed state.

15 to 19, on the basis of the above embodiment, a plurality of second chip electrical contacts 2011 are arranged on the second chip 201 at intervals; a plurality of first chip electrical contacts are arranged on the second area 101b at intervals At point 1011 , a plurality of abutting tops 5 are disposed on the elastic member 4 , each abutting top 5 corresponds to a first chip electrical contact 1011 , and the first chip electrical contact 1011 is used for bonding with the second chip electrical contact 2011 . By setting the abutment tops 5, each abutment top 5 abuts against one of the first chip electrical contacts 1011 so as to be attached to the second chip electrical contacts 2011, so that the first chip electrical contacts 1011 are always electrically connected to the second chip The contacts 2011 are in contact, and the first chip 101 and the second chip 201 maintain a stable electrical connection.

Specifically, the second area 101b extends to the inner wall of the print head housing 1, and the side away from the inner wall of the print head housing 1 is provided with a first chip electrical contact 1011, and the first chip electrical contact 1011 is used for connecting with the first chip electrical contact 1011. The electrical contacts 2011 of the two chips are electrically connected. Preferably, there are a plurality of first chip electrical contacts 1011, and the plurality of first chip electrical contacts 1011 are arranged at intervals on the side of the second region 101b away from the inner wall of the print head housing 1, so as to avoid damage to one electrical contact As a result, the electrical connection cannot be made, and the stability of the electrical connection is improved. In addition, the first chip electrical contact 1011 can be in a regular shape such as a circle or a square, or other irregular shapes, as long as it can be electrically connected to the second chip electrical contact 2011; at the same time, in order to improve the electrical conductivity, The material of the first chip electrical contact 1011 may be silver, copper, or tungsten carbide.

Specifically, the side of the second chip 201 facing the inner wall of the print head housing 1 is provided with a second chip electrical contact 2011 , and the second chip electrical contact 2011 is used to connect with the first chip electrical contact 1011 . Preferably, the number of the second chip electrical contacts 2011 may also be multiple. According to the positional distribution of the first chip electrical contacts 1011 , the second chip electrical contacts 2011 are reasonably arranged, and the plurality of second chip electrical contacts 2011 and The plurality of first chip electrical contacts 1011 are connected in one-to-one correspondence.

Specifically, the elastic member 4 is provided with a plurality of abutment parts 5, and the number of the abutment parts 5 is the same as the number of the first chip electrical contacts 1011, so that each abutment part 5 corresponds to a first chip electrical contact 1011, and the first chip The chip electrical contacts 1011 are in contact with the second chip electrical contacts 2011 to ensure that the circuits of the first chip 101 and the second chip 201 are connected, and the first chip 101 and the second chip 201 are enabled to work normally.

Optionally, referring to FIG. 15 , the abutting top 5 is a cylindrical protrusion. Correspondingly, referring to FIG. 16 , the first chip electrical contact 1011 is circular, and a cylindrical abutting top 5 corresponds to a circular first chip The electrical contact 1011; or, referring to FIG. 3, the abutting top 5 is an elongated protrusion. Correspondingly, referring to FIG. 17, the electrical contact 1011 of the first chip has an elongated patch, and both ends of the patch are provided with Electrical contact; in addition, the second chip electrical contact 2011 is a groove corresponding to the abutment portion 5, so that the first chip electrical contact 1011 and the second chip electrical contact 2011 maintain good contact to form an electrical connection.

When the elastic member 4 is an elastic piece, the abutting top 5 is arranged on the abutting section. Specifically, the abutment top 5 is made of elastic materials such as rubber or soft plastic. The abutment top 5 can be connected to the abutment section by bonding, or can be integrally formed with the abutment section; the abutment top 5 can also be made of copper or steel. and other metal materials, the abutment top 5 is connected with the abutment section by means of bonding.

When the elastic member 4 is a spring, one end of the spring is connected to the inner wall of the print head housing 1, and the other end of the spring is connected to the abutment top 5, and the abutment top 5 abuts against the second region 101b under the action of the spring. Specifically, the connection between the spring and the abutment top 5 may be welding or bonding. Wherein, the number of springs is the same as that of the abutment tops 5 , and one spring corresponds to one abutment top 5 .

5, 6 and 20, FIG. 5 is a top view of the ink bag housing of the present invention with the second chip installed; FIG. 6 is a schematic view of the cover of the ink bag housing of the present invention; The top view of the face cover of the ink bag housing in the multi-color ink cartridge provided by the embodiment of the present invention.

In this embodiment, the top of the ink bag housing 2 is provided with a surface cover 3 , and the surface cover 3 is provided with an air guide hole 23 that communicates with the interior of the ink bag housing 2 . Sealed to avoid ink leakage.

Specifically, the bottom of the face cover 3 has a groove, and the size of the groove is the same as that of the ink bag housing 2, so that the face cover 3 can completely cover the ink bag casing 2, thereby achieving sealing. Taking the orientation shown in FIG. 5 as an example, the top of the face cover 3 is also provided with a clip 22 for engaging with the printer body, so that the ink cartridge is installed and fixed in the printer body. The number of clips 22 may be one or a plurality of clips, for example, there are three clips 22, two clips 22 are arranged on the left end of the top of the face cover 3, symmetrically arranged along the axis of the face cover 3, and the other clip The strip 22 is arranged at the right end of the top of the cover 3 , and its center line is collinear with the axis of the cover 3 . It is worth noting that a corresponding card slot is provided at the position where the printer body and the card bar 22 are matched with each other, for engaging with the card bar 22 .

The air guide hole 23 is used to communicate with the interior of the ink bag housing 2, thereby balancing the air pressure between the ink bag housing 2 and the external environment, so that the ink can flow out smoothly. Avoid drying of the ink inside the ink bag housing 2 due to air evaporation. Optionally, the air guide holes 23 may be circular or square, as long as they can communicate with each other.

Preferably, the face cover 3 is further provided with an ink filling hole 25 , and ink is injected into the interior of the ink bag housing 2 through the ink filling hole 25 , and the operation is simple and convenient. The number of the ink filling holes 25 and the air guide holes 23 is related to the type of the ink cartridge. For example, referring to FIG. 5 , if the ink cartridge is a monochrome ink cartridge, the ink filling hole 25 and the air guide hole 23 are both set to one; For color ink cartridges, according to the type of color, the number of ink filling holes 25 and air guide holes 23 can be set to 3. Each ink filling hole 25 is used to inject a color of ink, and each air guide hole 23 is used for a color of ink. The chamber in which it is located is connected.

Preferably, in order to prevent the outside air from entering through the air guide hole 23, causing the ink inside the ink bag housing 2 to evaporate and dry, and also to prevent the ink from flowing out from the air guide hole 23 and the ink filling hole 25, the ink bag housing 2 also includes a surface The surface cover 3 is provided with an air guide groove 24, one end of the air guide groove 24 is communicated with the air guide hole 23, the surface film covers the air guide groove 24 and the air guide hole 23, and the other end of the air guide groove 24 is provided with a An opening that communicates with the outside world. Specifically, the surface coating can be an aluminum plate or a plastic film. Preferably, the surface coating is made of transparent PVC material, and the condition of the ink in the ink bag housing 2 can be observed from the air guide hole 23 . When there is air inside the ink bag housing 2 , since the density of the air is lower than that of the ink, the air is above the interior of the ink bag housing 2 , flows into the air guide hole 23 and then enters one end of the air guide groove 24 , and flows along the air guide groove 24 It flows to the other end of the air guide groove 24, and finally flows out from the opening and merges into the outside air. Among them, because the surface film covers the air guide holes 23, the air guide holes 23 cannot be used to balance the air pressure between the ink bag housing 2 and the external environment, resulting in a pressure difference between the ink bag housing 2 and the outside, and it is difficult to refill ink. Therefore, The other end of the air guide groove 24 is provided with an opening, and the opening is communicated with the outside air, which is used to balance the air pressure between the ink bag housing 2 and the outside environment, so that the ink filling is successful. Wherein, the air guide groove 24 can be a straight pipe section, which is used to lead out the air inside the ink bag housing 2 . Preferably, the air guide groove 24 is curved and extended on the face cover 3, and the air guide groove 24 forms a tortuous curve, which can prevent the ink from flowing out along the air guide hole 23 and the air guide groove 24.

The air guide hole 23 , the air guide groove 24 and the opening form an air guide system. The air guide system is arranged on the cover 3 on the top of the ink bag housing 2 to balance the pressure difference between the ink bag housing 2 and the outside air. Optionally, in order to speed up the balancing speed, a plurality of air guide systems may be arranged on the face cover 3, and the positions of the plurality of air guide systems are reasonably arranged. For example, referring to FIG. 5 , the face cover 3 is provided with two air guide systems, and the two air guide systems are located in the middle of the face cover 3 and are symmetrically arranged along the axis of the face cover 3 .

21 to 22, FIG. 21 is a bottom schematic diagram of an ink bag housing in a monochrome ink cartridge provided by an embodiment of the present invention; FIG. 22 is a bottom schematic diagram of an ink bag housing in a multi-color ink cartridge provided by an embodiment of the present invention .

On the basis of the above embodiment, the bottom of the ink bag housing 2 is provided with a support portion 28 , and the bottom of the ink bag housing 2 also has an ink outlet 27 , and the support portion 28 is located on one side of the ink outlet 27 .

When replacing the ink bag housing 2, the ink bag housing 2 is often placed on the table, and the dust on the desktop is easy to enter the ink bag housing 2 from the ink outlet 27, resulting in the contamination of the ink. The ink port 27 is in direct contact with the outside, preventing dust from entering the ink outlet port 27 .

In this embodiment, the support portion 28 is disposed at one end of the ink bag housing 2 close to the side wall where the second chip 201 is located. When the ink bag housing 2 is placed horizontally on a flat surface, the bottom of the support portion 28 is in contact with the flat surface, and the ink outlet 27 is not in contact with the flat surface. Optionally, the support portion 28 may be cylindrical or truncated, or plate-shaped, as long as its bottom surface is flat; For bonding or integral molding by molding. Specifically, the width of the support portion 28 is not limited in this embodiment, as long as the support portion 28 is sufficient to support the ink bag housing 2 . In order to improve the strength of the supporting portion 28 of the ink bag housing 2 in the multi-color ink cartridge, the width of the supporting portion 28 of the ink bag housing 2 in the multi-color ink cartridge is larger than that of the supporting portion 28 of the ink bag housing 2 in the monochrome ink cartridge. . In addition, the inner wall of the print head housing 1 is provided with a groove matching the support portion 28 for engaging with the support portion 28 to improve the connection strength of the ink bag housing 2 and the print head housing 1.

Specifically, the ink outlet 27 is disposed at the bottom of the ink bag housing 2 , and is located on the side of the support portion 28 away from the side wall where the second chip 201 is located. Among them, the quantity of the ink outlet 27 is related to the type of the ink cartridge. According to the type of the ink cartridge, the number of the ink outlet 27 should be reasonably set, and the position of the ink outlet 27 should be arranged reasonably; Taking the orientation shown as an example, when the ink cartridge is a monochrome ink cartridge, the ink outlet 27 is one, and the ink outlet 27 is located on the right side of the support portion 28; with reference to FIG. 22, taking the orientation shown in FIG. There are three ink outlets 27 , two of which are located on the right side of the support portion 28 , and the other ink outlet 27 is located between the two support portions 28 .

Preferably, the edge of the face cover 3 is provided with a snap portion 26, the top of the print head housing 1 is provided with a rib 14, and the snap portion 26 is engaged with the rib 14, so that the face cover 3 is snapped to the print head housing. When the top end of the 1, the movement in the height direction between the surface cover 3 and the print head housing 1 is restricted, and the installation of the ink cartridge is realized.

6 and 7 , specifically, the engaging portion 26 is provided on the edge of the side wall of the face cover 3 . When the ink bag housing 2 is installed in the print head housing 1 , the engaging portion 26 is located on the face cover 3 . The sidewall is opposite to the sidewall where the first chip 101 is located. The engaging portion 26 is located in the middle of the edge of the side wall of the face cover 3 . Specifically, the rib 14 is arranged on the top edge of the side wall of the print head housing 1 opposite to the side wall where the print head housing port 11 is located. face connection. Optionally, referring to FIG. 7 , one end of the engaging portion 26 away from the edge of the face cover 3 has a step, the step is used for engaging with the rib 14, and the distance from the end of the engaging portion 26 away from the edge of the face cover 3 to the step is the same as the rib. The thickness of 14 is the same, so that the engaging portion 26 cannot move up and down after engaging with the rib 14 .

12 to 14 , preferably, the top of the ink bag housing 2 is provided with a first protruding portion 210 , the top of the print head housing 1 is provided with a second protruding portion 15 , and the first protruding portion 210 abuts against the top On the side of the second protrusion 15 , to limit the position between the ink bag housing 2 and the print head housing 1 . When the ink bag housing 2 is installed into the print head housing 1 , the first protrusion 210 and the second protrusion 15 cooperate to achieve lateral positioning, thereby improving the distance between the ink bag housing 2 and the print head housing 1 . positional accuracy.

Specifically, the second protruding portion 15 is disposed on the side wall of the print head housing 1 adjacent to the side wall where the first chip 101 is located, and is located at the top of the print head housing 1 . Wherein, the top surface of the second protruding portion 15 and the top surface of the rib 14 are located on the same horizontal plane. When the surface cover 3 is covered on the print head housing 1, the top surface of the rib 14 supports the surface cover 3; The side surface of the outlet portion 15 may be a flat surface or an inclined surface.

Preferably, a snap portion 29 is provided on the top of the ink bag housing 2, and the snap portion 29 is snapped with the second protruding portion 15, thereby restricting the movement in the height direction between the face cover 3 and the print head housing 1.

Optionally, referring to FIGS. 12 to 14 , one end of the engaging portion 29 away from the top of the ink bag housing 2 has a step, the step is used for engaging with the second protruding portion 15 , and the engaging portion 29 is away from the ink bag housing 2 . The distance from one end of the top to the step is the same as the thickness of the second protrusion 15 . Specifically, the second protruding portion 15 has a protrusion toward the bottom of the print head housing 1 .

Finally, it should be noted that the above embodiments are only used to illustrate the technical solutions of the present utility model, but not to limit them; although the present utility model has been described in detail with reference to the foregoing embodiments, those of ordinary skill in the art should understand that : it can still modify the technical solutions recorded in the foregoing embodiments, or perform equivalent replacements to some or all of the technical features; and these modifications or replacements do not make the essence of the corresponding technical solutions deviate from the various embodiments of the present utility model Scope of technical solutions.

Claims (12)

1. An ink cartridge, comprising: the ink bag type printer comprises a printing head shell, an ink bag shell, a first chip and a second chip, wherein the ink bag shell is contained in the printing head shell, and the second chip is arranged on the ink bag shell; the first chip sets up on the outer wall of printer head casing, be provided with first region and second area on the first chip, first region is used for being connected with former chip electricity, the top of printer head casing is provided with printer head casing mouth, the second area to the edge of printer head casing mouth extends, just walks around the edge of printer head casing mouth extends to on the inner wall of printer head casing, the second area with the second chip electricity is connected.

2. The cartridge of claim 1, wherein the first chip and/or the second chip is a flexible chip;

or the first chip and/or the second chip are rigid chips.

3. The ink cartridge as claimed in any one of claims 1-2, wherein an elastic member is disposed between the second region and the inner wall of the printhead housing, and the elastic member is configured to abut against the second region toward the ink bag housing so as to attach the second region to the second chip.

4. The ink cartridge of claim 3, wherein a plurality of second chip electrical contacts are spaced apart on the second chip; the second region is provided with a plurality of first chip electrical contacts at intervals, the elastic piece is provided with a plurality of abutting parts, each abutting part corresponds to one first chip electrical contact, and the first chip electrical contacts are used for being attached to the second chip electrical contacts.

5. The ink cartridge as claimed in any one of claims 1 to 2, wherein a face cover is provided on a top of said ink bag housing, said face cover being provided with an air vent communicating with an inside of said ink bag housing.

6. The ink cartridge as claimed in claim 5, wherein the ink bag housing further includes a surface coating, the surface cover is provided with an air guide groove, one end of the air guide groove is communicated with the air guide hole, the surface coating covers the air guide groove and the air guide hole, and the other end of the air guide groove is provided with an opening communicated with the outside.

7. The ink cartridge as claimed in claim 6, wherein the air guide groove is curved to extend on the face cover.

8. The ink cartridge as claimed in claim 7, wherein said cover is further provided with an ink inlet.

9. The ink cartridge as claimed in any one of claims 1 to 2, wherein a support portion is provided at a bottom of the ink bag housing, the bottom of the ink bag housing further having an ink outlet, the support portion being located at a side of the ink outlet.

10. The ink cartridge as claimed in claim 5, wherein an edge of the cover is provided with a locking portion, and a top end of the printhead housing is provided with a rib, and the locking portion is locked with the rib.

11. The ink cartridge as claimed in any one of claims 1 to 2, wherein a first projection is provided on a top of the ink bag housing, and a second projection is provided on a top of the head housing, the first projection abutting against a side of the second projection to restrict a position between the ink bag housing and the head housing.

12. The ink cartridge as claimed in claim 11, wherein a snap-fit portion is provided at a top of the ink bag housing, and the snap-fit portion is snap-fitted to the second protrusion.

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