CN215944043U

CN215944043U - Ink box for ink-jet printer

Info

Publication number: CN215944043U
Application number: CN202122020336.2U
Authority: CN
Inventors: 张海兵; 田少春
Original assignee: Zhuhai Duyi Innovation Technology Co ltd
Current assignee: Zhuhai Duyi Innovation Technology Co ltd
Priority date: 2021-08-25
Filing date: 2021-08-25
Publication date: 2022-03-04
Anticipated expiration: 2031-08-25

Abstract

The utility model discloses an ink box for an ink-jet printer, which comprises a shell and a partition plate, wherein an ink cavity and a negative pressure cavity are formed between the partition plate and the inner wall of the shell, the partition plate is provided with a communicating hole for realizing gas-liquid exchange, and the negative pressure cavity is provided with an air inlet hole, an ink outlet hole and a negative pressure generating part; the rib is arranged on one side, facing the negative pressure cavity, of the partition plate, the first end of the rib is close to the communicating hole, the second end of the rib extends upwards along the partition plate, and the rib abuts against the negative pressure generating piece, so that an air guide channel is formed between the negative pressure generating piece and the partition plate. Through the setting of above-mentioned structure, form the air guide passageway between negative pressure production piece and the baffle, the one end of air guide passageway is connected in the intercommunicating pore, and the other end upwards extends along the baffle, can reduce the negative pressure in the negative pressure intracavity effectively, and gas can follow the air guide passageway and get into the intercommunicating pore fast, and then accelerates the gas-liquid exchange between negative pressure chamber and the ink chamber, ensures the ink supply in the negative pressure intracavity effectively, prevents to appear printing phenomenons such as broken string, ensures the normal use of printer.

Description

Ink box for ink-jet printer

Technical Field

The utility model relates to the technical field of ink boxes, in particular to an ink box for an ink-jet printer.

Background

The printer plays an important role in daily life of people as an essential important tool in daily life of people, wherein the ink-jet printer is popular among people due to rich printing colors, small size and good quality of printed photos. Ink cartridges have been widely noticed as an important consumable material for ink jet printers.

Most of the existing ink boxes are provided with a communication hole for communicating a negative pressure cavity and an ink cavity, when the ink liquid level in sponge in the negative pressure cavity reaches the position of the communication hole, ink in the ink cavity enters the negative pressure cavity through the communication hole, and air in the negative pressure cavity enters the ink cavity through the communication hole, so that the liquid-liquid balance is realized, the ink liquid level in the negative pressure cavity is ensured to be consistent all the time, the pressure in the negative pressure cavity is basically balanced, and the continuous ink supply of a printer is ensured. However, as the operating speed of the ink jet printer increases, the negative pressure in the negative pressure chamber may cause the liquid in the ink cartridge to not enter the negative pressure chamber through the communication hole in time, resulting in ink break, printing disconnection, and other problems.

To solve the above problems, the present invention provides an ink cartridge for an inkjet printer, which can effectively solve the above problems.

Disclosure of Invention

In order to overcome the defects of the prior art, the utility model provides the ink box for the ink-jet printer, which has the advantages of simple structure, convenience in use, reasonable design and good ink supply effect.

The technical scheme adopted by the utility model for solving the technical problems is as follows:

the present invention provides an ink cartridge for an ink jet printer, comprising:

a housing, which is hollow;

the partition plate is arranged in the shell, an ink cavity and a negative pressure cavity are formed between the partition plate and the inner wall of the shell, a communication hole is formed in one side, close to the bottom of the shell, of the partition plate, the communication hole is used for realizing communication of ink and/or gas, an air inlet hole is formed in the top of the negative pressure cavity, and an ink outlet hole is formed in the bottom of the negative pressure cavity;

the negative pressure generating piece is arranged in the negative pressure cavity;

the rib, the rib set up in the baffle is towards one side in the negative pressure chamber, the first end of rib next-door neighbour the intercommunicating pore, the second end of rib is followed the baffle upwards extends, the rib butt in the negative pressure produces the piece, so that negative pressure produce the piece with form the air guide passageway between the baffle.

Further, the negative pressure generating member is a sponge.

Further, the lower surface of the negative pressure generating piece is abutted against the bottom wall of the negative pressure cavity, the side surface of the negative pressure generating piece is abutted against the side wall of the negative pressure cavity, and an air guide space is formed between the upper surface of the negative pressure generating piece and the upper wall of the negative pressure cavity.

Further, the second end of the rib is disposed at a lower side of an upper surface of the negative pressure generating member.

Furthermore, the second end of rib is equipped with the direction inclined plane.

Furthermore, the ribs protrude from the surface of the partition board.

Further, the shell and the partition plate are integrally formed.

Further, still include the seal membrane, the seal membrane set up in casing upper portion and lid fit the inlet port.

Further, the housing includes a bottom case and a cover plate, and the cover plate is connected to the bottom case.

Furthermore, the bottom shell is a plastic shell, the cover plate is a plastic cover plate, and the cover plate is welded on the bottom shell in a fusion welding mode.

The utility model has the beneficial effects that: through the setting of above-mentioned structure, the rib butt produces the piece in the negative pressure to make the negative pressure produce and form the air guide channel between piece and the baffle, the one end of air guide channel is connected in the intercommunicating pore, the other end upwards extends along the baffle, can reduce the negative pressure in the negative pressure intracavity effectively, gaseous can follow the air guide channel and get into the intercommunicating pore fast, and then accelerate the gas-liquid exchange between negative pressure chamber and the ink chamber, guarantee the interior ink supply of negative pressure chamber effectively, prevent to appear printing phenomenons such as broken string, guarantee printer's normal use.

Drawings

In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings required to be used in the description of the embodiments are briefly introduced below, the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings may be obtained according to the drawings without creative efforts.

The utility model is further illustrated with reference to the following figures and examples.

FIG. 1 is a cross-sectional view of the present invention;

FIG. 2 is an enlarged view taken at circle A of FIG. 1;

fig. 3 is a partial structural schematic diagram of the present invention.

Detailed Description

Referring to fig. 1 to 3, an ink cartridge for an inkjet printer includes:

a housing 10, the housing 10 being hollow;

the partition plate 20 is arranged in the shell 10, an ink cavity 11 and a negative pressure cavity 12 are formed between the partition plate 20 and the inner wall of the shell 10, a communication hole 21 is formed in one side, close to the bottom of the shell 10, of the partition plate 20, the communication hole 21 is used for realizing communication of ink and/or gas, an air inlet hole 121 is formed in the top of the negative pressure cavity 12, and an ink outlet 122 is formed in the bottom of the negative pressure cavity 12;

a negative pressure generating member 30, the negative pressure generating member 30 being provided to the negative pressure chamber 12;

the rib 40 is arranged on one side, facing the negative pressure cavity 12, of the partition board 20, a first end of the rib 40 is close to the communication hole 21, a second end of the rib 40 extends upwards along the partition board 20, and the rib 40 abuts against the negative pressure generating piece 30, so that an air guide channel 23 is formed between the negative pressure generating piece 30 and the partition board 20.

Through the setting of above-mentioned structure, the rib butt produces the piece in the negative pressure to make the negative pressure produce and form the air guide channel between piece and the baffle, the one end of air guide channel is connected in the intercommunicating pore, the other end upwards extends along the baffle, can reduce the negative pressure in the negative pressure intracavity effectively, gaseous can follow the air guide channel and get into the intercommunicating pore fast, and then accelerate the gas-liquid exchange between negative pressure chamber and the ink chamber, guarantee the interior ink supply of negative pressure chamber effectively, prevent to appear printing phenomenons such as broken string, guarantee printer's normal use.

In this embodiment, the negative pressure generating member 30 is a sponge. Through the arrangement of the structure, the sponge is used as a porous material, so that ink can be effectively adsorbed, the pressure of the ink on the nozzle at the ink outlet is reduced, the internal and external air pressure of the ink box is stable, and stable ink supply is kept. In addition, the cost of the sponge is low, so that the cost can be effectively reduced; simultaneously, because the sponge has certain elasticity, can produce deformation under the butt extrusion of rib, and then make and form the air guide passageway between sponge surface and the baffle surface, and then can adjust the atmospheric pressure in the negative pressure intracavity, accelerate the gas-liquid between negative pressure chamber and the ink chamber and exchange.

In this embodiment, the lower surface of the negative pressure generating member 30 abuts against the bottom wall of the negative pressure chamber 12, the side surface of the negative pressure generating member 30 abuts against the side wall of the negative pressure chamber 12, and an air guide space is formed between the upper surface of the negative pressure generating member 30 and the upper wall of the negative pressure chamber 12. Through the arrangement of the structure, the lower surface and the side surface of the negative pressure generating piece are respectively abutted against the bottom wall and the side wall of the negative pressure cavity, so that the negative pressure generating piece is basically filled in the negative pressure cavity, ink can be effectively adsorbed, the ink can be continuously and stably supplied to a printer, the pressure applied to the ink outlet by the ink is reduced, the ink dripping phenomenon is prevented, and the stable ink supply of the ink box is ensured.

In this embodiment, the second ends of the ribs 40 are disposed at the lower side of the upper surface of the negative pressure generating member 30. Through the arrangement of the structure, the second ends of the ribs extend upwards to the lower side of the upper surface of the negative pressure generating piece along the surface of the partition plate, so that the ribs are always abutted against part of the negative pressure generating piece, the stability of the air guide channel is guaranteed, and meanwhile, the air pressure in the negative pressure cavity is stabilized.

In this embodiment, the second end of the rib 40 is provided with a guiding inclined surface 41. Through the arrangement of the structure, the guide inclined plane can allow the negative pressure generating piece to be conveniently arranged in the negative pressure cavity, the negative pressure generating piece is prevented from being scratched by the ribs, and the negative pressure generating piece can be stably adsorbed and provide ink.

In this embodiment, the ribs 40 are disposed to protrude from the surface of the partition board 20. Through the arrangement of the structure, the convex ribs can be effectively abutted against the surface of the negative pressure generating piece, so that an air guide channel is formed between the negative pressure generating piece and the partition plate.

In this embodiment, the housing 10 and the partition 20 are integrally formed. Through the arrangement of the structure, the integrally formed partition plate and the shell are connected more stably and firmly, the problems of mismatching and the like caused by assembly of the partition plate and the shell are avoided, and the yield of products is guaranteed.

In this embodiment, the air conditioner further includes a sealing film 50, and the sealing film 50 is disposed on the upper portion of the housing 10 and covers the air inlet 121. Through the arrangement of the structure, when the sealing film covers the air inlet hole, the inside and the outside of the ink box are isolated, and under the action of air pressure, ink can be effectively contained in the ink box, so that the ink is prevented from overflowing, and the quality of the ink box can be effectively guaranteed in the transportation process; when the sealing film is uncovered, the air pressure inside and outside the ink box is conducted, and the ink can flow out through the ink outlet, so that the ink can be supplied to the printer.

In this embodiment, the housing 10 includes a bottom case 13 and a cover plate 14, and the cover plate 14 is connected to the bottom case 13. Through the arrangement of the structure, the bottom shell and the cover plate are separately arranged, the negative pressure generating piece can be conveniently installed, the production cost is effectively reduced, and the stability of a product is improved.

In this embodiment, the bottom casing 13 is a plastic casing, the cover plate 14 is a plastic cover plate, and the cover plate 14 is welded to the bottom casing 13. Through the arrangement of the structure, the plastic cover plate is welded on the plastic shell in a fusion welding mode, the sealing of the ink box can be realized, the fusion welding mode is more convenient and economic, and the sealing effect of the ink box is better. The foregoing is illustrative of one or more embodiments provided in connection with the detailed description and is not intended to limit the practice of the utility model to the particular forms disclosed. Similar or identical methods, structures and the like as those of the present invention or several technical deductions or substitutions made on the premise of the conception of the present invention should be considered as the protection scope of the present invention.

Claims

1. An ink cartridge for an ink jet printer, comprising:

a housing (10), the housing (10) being hollow;

the ink-jet printing device comprises a partition plate (20), the partition plate (20) is arranged in the shell (10), an ink cavity (11) and a negative pressure cavity (12) are formed between the partition plate (20) and the inner wall of the shell (10), a communication hole (21) is formed in one side, close to the bottom of the shell (10), of the partition plate (20), the communication hole (21) is used for realizing communication of ink and/or gas, an air inlet hole (121) is formed in the top of the negative pressure cavity (12), and an ink outlet hole (122) is formed in the bottom of the negative pressure cavity (12);

a negative pressure generating member (30), the negative pressure generating member (30) being provided to the negative pressure chamber (12);

the rib (40), rib (40) set up in baffle (20) face towards one side of negative pressure chamber (12), the first end of rib (40) is next to intercommunicating pore (21), the second end of rib (40) is followed baffle (20) is upwards extended, rib (40) butt in negative pressure produces piece (30), so that negative pressure produce piece (30) with form air guide channel (23) between baffle (20).

2. The cartridge for an inkjet printer according to claim 1, wherein the negative pressure generating member (30) is a sponge.

3. The cartridge for an inkjet printer according to claim 1, wherein a lower surface of the negative pressure generating member (30) abuts against a bottom wall of the negative pressure chamber (12), a side surface of the negative pressure generating member (30) abuts against a side wall of the negative pressure chamber (12), and an air guide space is formed between an upper surface of the negative pressure generating member (30) and an upper wall of the negative pressure chamber (12).

4. The cartridge for an inkjet printer according to claim 3, wherein the second end of the rib (40) is provided at a lower side of the upper surface of the negative pressure generating member (30).

5. The cartridge for an ink jet printer according to claim 1, wherein the second end of the rib (40) is provided with a guide slope (41).

6. The cartridge of claim 1, wherein the ribs (40) are disposed to protrude from the surface of the partition (20).

7. The cartridge for an inkjet printer according to claim 1, wherein the housing (10) is provided integrally with the partition (20).

8. The cartridge for an inkjet printer according to claim 1, further comprising a sealing film (50), wherein the sealing film (50) is disposed on the upper portion of the housing (10) and covers the air inlet hole (121).

9. The cartridge for an inkjet printer according to claim 1, characterized in that the casing (10) comprises a bottom shell (13) and a cover plate (14), the cover plate (14) being connected to the bottom shell (13).

10. The cartridge according to claim 9, wherein said bottom case (13) is a plastic case, said cover plate (14) is a plastic cover plate, and said cover plate (14) is welded to said bottom case (13).