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CN-224210782-U - Ink box structure with small-volume pressurizing bin

CN224210782UCN 224210782 UCN224210782 UCN 224210782UCN-224210782-U

Abstract

The utility model relates to the technical field of ink boxes, in particular to an ink box structure with a small-volume pressurizing bin, which comprises a bottom shell and a surface cover covered with the bottom shell, one side of the inner part of the bottom shell is provided with a pressurizing cavity, and an elastic valve membrane is arranged in the first pressurizing bin. According to the utility model, the volume of the pressurizing cavity is reduced, and the required pressure value can be achieved through the deformation degree of the elastic valve membrane; the utility model realizes opening and closing during printing and pressurizing by arranging the column casing, the protruding column and the micro spring, so that the pressurizing cavity and the ink storage cavity realize two states of opening and closing, and the phenomenon of ink backflow and ejection is avoided.

Inventors

  • WANG HAIBO
  • JIANG HAITING
  • JIANG HAITANG

Assignees

  • 珠海纳维亚新材科技有限公司

Dates

Publication Date
20260508
Application Date
20250521

Claims (7)

  1. 1. An ink box structure with a small-volume pressurizing bin comprises a bottom shell (1) and a surface cover (2) which is covered with the bottom shell (1), and is characterized in that one side of the inside of the bottom shell (1) is provided with a pressurizing cavity (1.1), the pressurizing cavity (1.1) comprises a first pressurizing bin (1.11), an elastic valve membrane (1.112) is arranged in the first pressurizing bin (1.11), the elastic valve membrane (1.112) is used for increasing the internal pressure of the pressurizing cavity (1.1), a column casing (1.113) which is communicated with the bottom shell (1) is integrally molded at the central part of the inside of the first pressurizing bin (1.11), and a convex column (1.1121) is integrally molded on the inner wall of the elastic valve membrane (1.112).
  2. 2. The ink cartridge structure with the small-volume pressurizing chamber according to claim 1, wherein the pressurizing chamber (1.1) further comprises a second pressurizing chamber (1.12) and a third pressurizing chamber (1.13), the first pressurizing chamber (1.11) is communicated with the second pressurizing chamber (1.12) through an ink flowing port (1.114), one end of the surface of the bottom shell (1) is provided with a pressurizing hole (1.111), the surface of the first pressurizing chamber (1.11) is provided with a through hole (1.1111), the through hole (1.1111) is located above the elastic valve membrane (1.112), the pressurizing hole (1.111) is communicated with the through hole (1.1111), the ink outlet hole (1.4) is formed in the surface of the bottom shell (1) and is formed in one side of the pressurizing hole (1.111), and the ink outlet hole (1.4) is communicated with the second pressurizing chamber (1.12).
  3. 3. The ink cartridge structure with the small-volume pressurized chamber according to claim 1, wherein after the elastic valve membrane (1.112) is inflated and swelled, the protruding column (1.1121) is inserted into the interior of the column casing (1.113) to realize sealing, the outer side of the protruding column (1.1121) is sleeved with a micro spring (1.1122), the other end of the micro spring (1.1122) is sleeved on the surface of the column casing (1.113), and when the elastic valve membrane (1.112) is not inflated, the micro spring (1.1122) can separate the protruding column (1.1121) from the column casing (1.113).
  4. 4. The ink box structure with the small-volume pressurizing bin according to claim 1, wherein an ink storage cavity (1.2) is formed in the bottom shell (1) and located on one side of the pressurizing cavity (1.1), the ink storage cavity (1.2) is formed by splicing a first ink storage bin (1.21) and a second ink storage bin (1.22) which are communicated with each other, an ink guide hole (1.221) is formed in the surface of the second ink storage bin (1.22), and the ink guide hole (1.221) is communicated with a column casing (1.113) through a flow channel.
  5. 5. An ink cartridge structure with a small-volume pressurizing chamber according to claim 1, wherein the surface of the face cover (2) is injection-molded with the chamber cover (2.1), and the chamber cover (2.1) and the first pressurizing chamber (1.11) are mutually covered when the bottom shell (1) is installed with the face cover (2), and the edges of the chamber cover (2.1) and the elastic valve membrane (1.112) are mutually compacted and sealed after the chamber cover is covered.
  6. 6. The ink box structure with the small-volume pressurizing bin according to claim 1, wherein one end of the bottom shell (1) is provided with an air supply cavity (1.3), the air supply cavity (1.3) is used for supplying air to enable the ink storage cavity (1.2) to maintain negative pressure, the air supply cavity (1.3) comprises an air guide groove (1.31), a sponge groove (1.32) and a sponge block (1.33), the air guide groove (1.31) is provided with an inner part of the bottom shell (1), one end of the air guide groove (1.31) is provided with an air inlet hole (1.311), and the air inlet hole (1.311) penetrates through the face cover (2).
  7. 7. The ink box structure with the small-volume pressurizing bin according to claim 6, wherein a sponge groove (1.32) is formed in the corner position of the surface of the bottom shell (1), the sponge groove (1.32) is communicated with the air guide groove (1.31), a sponge block (1.33) is filled in the sponge groove (1.32), and an exhaust hole (1.321) communicated with the second ink storage bin (1.22) is formed in one side of the sponge groove (1.32).

Description

Ink box structure with small-volume pressurizing bin Technical Field The utility model relates to the technical field of ink boxes, in particular to an ink box structure with a small-volume pressurizing bin. Background The ink box refers to a part for storing printing ink in an ink-jet printer and finally finishing printing, the ink box needs to be pressurized when discharging ink, and the existing ink box is pressurized by a pressure bag at present. However, the whole interior of the existing ink box is a pressure cavity, so that the volume of the pressure cavity is large, the deformation degree of the pressure bag cannot reach a required pressure value in the mode, the existing ink box cannot realize the functions of opening and closing during printing and is easy to generate the phenomenon of ink backflow and ejection, and besides, the whole inner cavity of the existing ink box is used as the pressure cavity, so that the whole pressure cavity is lengthened after the ink box is changed, a plurality of pressure bags are needed to realize pressurization, and the production cost is increased. Disclosure of utility model The utility model aims to provide an ink box structure with a small-volume pressurizing bin, so as to solve the problems that in the prior art, the pressure cavity of the existing ink box is large in volume, ink backflow and ejection are easy to occur, and the production cost is high. The ink box structure with the small-volume pressurizing bin comprises a bottom shell and a face cover covered with the bottom shell, wherein a pressurizing cavity is formed in one side of the inside of the bottom shell, the pressurizing cavity comprises a first pressurizing bin, an elastic valve membrane is arranged in the first pressurizing bin and used for increasing the pressure in the pressurizing cavity, a column casing communicated with the bottom shell is integrally molded at the central position in the first pressurizing bin, and a protruding column is integrally molded on the inner wall of the elastic valve membrane. Preferably, the pressurizing cavity further comprises a second pressurizing bin and a third pressurizing bin, the first pressurizing bin is communicated with the second pressurizing bin through an ink flowing port, a pressurizing hole is formed in one end of the surface of the bottom shell, a through hole is formed in the surface of the first pressurizing bin, the through hole is located above the elastic valve membrane, the pressurizing hole is communicated with the through hole, an ink outlet hole is formed in the surface of the bottom shell and located on one side of the pressurizing hole, and the ink outlet hole is communicated with the second pressurizing bin. Preferably, after the elastic valve membrane is inflated and swelled, the convex column is inserted into the interior of the column casing to realize sealing, the outer side of the convex column is sleeved with a miniature spring, the other end of the miniature spring is sleeved on the surface of the column casing, and when the elastic valve membrane is not inflated, the miniature spring can separate the convex column from the column casing. Preferably, an ink storage cavity is formed in the bottom shell and positioned at one side of the pressurizing cavity, the ink storage cavity is formed by splicing a first ink storage bin and a second ink storage bin which are mutually communicated, an ink guide hole is formed in the surface of the second ink storage bin, and the ink guide hole is communicated with the column casing through a flow channel. Preferably, the surface of the face cover is injection-molded with a bin cover, and when the bottom shell is installed with the face cover, the bin cover and the first pressurizing bin are mutually covered, and the edges of the bin cover and the elastic valve membrane are mutually compacted and sealed after the bin cover and the first pressurizing bin are covered. Preferably, one end of the bottom shell is provided with an air supply cavity for supplying air to enable the ink storage cavity to maintain negative pressure, the air supply cavity comprises an air guide groove, a sponge groove and a sponge block, the air guide groove is provided with the inside of the bottom shell, one end of the air guide groove is provided with an air inlet hole, and the air inlet hole penetrates through the surface cover. Preferably, a sponge groove is arranged at the corner position of the surface of the bottom shell and is communicated with the air guide groove, a sponge block is filled in the sponge groove, and an exhaust hole communicated with the second ink storage bin is formed in one side of the sponge groove. Compared with the prior art, the utility model has the beneficial effects that: The utility model reduces the volume of the pressurizing cavity through the unique design of the pressure cavity and can reach the required pressure value through the deformation degree of the elastic valve membrane,