CN220995891U

CN220995891U - Ink cartridge

Info

Publication number: CN220995891U
Application number: CN202322947665.0U
Authority: CN
Inventors: 赵升魁; 林东明
Original assignee: Zhuhai Yizhiyin Technology Co ltd
Current assignee: Zhuhai Yizhiyin Technology Co ltd
Priority date: 2022-10-31
Filing date: 2023-10-31
Publication date: 2024-05-24
Anticipated expiration: 2033-10-31

Abstract

The utility model provides an ink cartridge detachably mounted to an inkjet image forming apparatus, comprising an ink outlet portion for supplying ink contained in the ink cartridge to the inkjet image forming apparatus, and a chip member for electrically connecting with the inkjet image forming apparatus, the chip member being located in +z direction of the ink outlet portion in Z direction, the ink cartridge further comprising a positioning member for preventing it from coming off the inkjet image forming apparatus, the positioning member being close to the chip member/the ink outlet portion in Z direction; according to the positioning component in the technical scheme, the ink box can be accurately and stably installed, positioning accuracy is improved, stability of contact between the chip electric contact part and the equipment terminal part is improved, meanwhile, accuracy of combination of the ink outlet part and the ink suction needle is improved, and defects such as ink leakage are avoided.

Description

Ink cartridge

The present patent application claims priority from a prior application filed on day 31, 10, 2022, entitled "ink cartridge", application number 202222886704.6, the entire contents of which are cross-referenced in the present application.

Technical Field

The present utility model relates to the field of inkjet imaging, and more particularly, to an ink cartridge detachably mountable to an inkjet image forming apparatus.

Background

An ink cartridge is a container that can supply ink to an inkjet image forming apparatus (hereinafter referred to as "apparatus"), and generally, the ink cartridge has a housing that can be used to contain ink, an ink outlet portion that is combined with the housing, a chip member that is combined with the housing and is used to be electrically connected with a terminal portion in the apparatus to achieve communication connection of the ink cartridge with the apparatus, and a positioning member for positioning when the ink cartridge is mounted, the ink outlet portion being combined with an ink suction needle in the apparatus to supply ink to the apparatus.

In the height direction of the ink box, the positioning member is located between the ink outlet part and the chip member, and when the ink box is installed, the positioning member needs to ensure that the ink outlet part is positioned with the ink sucking needle in the equipment and the chip member is positioned with the electric contact pin in the equipment at the same time, but due to errors in manufacturing the ink box shell, the matching installation position of the ink box and the equipment can be deviated, so when the ink box is installed, the deviation of the positioning member easily causes unstable contact between the chip contact and the terminal part of the equipment, communication connection cannot be established with the equipment, and the combination of the ink outlet part and the ink sucking needle of the equipment is inaccurate, and the defects such as ink leakage are easily caused.

Disclosure of utility model

The utility model provides an ink box, which aims to solve the technical problem of inaccurate positioning caused by deviation of a positioning member when the ink box is installed. The specific scheme is as follows:

The ink cartridge detachably mountable to an inkjet image forming apparatus, includes an ink outlet portion for supplying ink contained in the ink cartridge to the inkjet image forming apparatus, and a chip member for electrically connecting with the inkjet image forming apparatus, the chip member being located in a +z direction of the ink outlet portion in a Z direction, the ink cartridge further including a positioning member for preventing it from coming off the inkjet image forming apparatus, the positioning member being close to the chip member/the ink outlet portion in the Z direction.

The positioning member is provided with a hook portion.

The positioning member is provided as a member having a friction force.

The hook portion is provided at an upper end and/or a lower end of the chip member, or the hook portion is provided at an upper end and/or a lower end of the ink outlet portion.

The ink jet image forming apparatus is provided therein with a cartridge portion for coupling with the ink cartridge, and the hook portion is for coupling with the cartridge portion when the hook portion is provided at an upper end and/or a lower end of the ink discharging portion.

When the hook portion is provided at the upper end and/or the lower end of the chip member, the hook portion abuts against the inner wall of the inkjet image forming apparatus in the Y direction.

The positioning member is provided on an inner wall and/or an outer wall of the ink outlet portion.

In the Z direction, the positioning member is provided at least one end of the ink cartridge.

An ink jet image forming apparatus is provided therein with a cartridge portion for coupling with an ink cartridge and an ink absorbing needle provided in the cartridge portion, the cartridge portion for accommodating at least a portion of an ink outlet portion for accommodating at least a portion of the ink absorbing needle; when the ink box is installed, the positioning member is used for being matched with the ink suction needle and generating friction force when being arranged on the inner wall of the ink outlet part, and is used for being matched with the cylinder part and generating friction force when being arranged on the outer wall of the ink outlet part.

When the ink cartridge is mounted, the positioning member generates friction with an inner wall in the inkjet image forming apparatus.

According to the positioning component in the technical scheme, the ink box can be accurately and stably installed, positioning accuracy is improved, stability of contact between the chip electric contact part and the equipment terminal part is improved, meanwhile, accuracy of combination of the ink outlet part and the ink suction needle is improved, and defects such as ink leakage are avoided.

Drawings

Fig. 1A is a cross-sectional view taken along a plane perpendicular to the X direction when the ink cartridge according to the first embodiment of the present utility model is combined with a device.

Fig. 1B is an enlarged schematic view of a portion A1 in fig. 1A.

Fig. 2A is a cross-sectional view taken along a plane perpendicular to the X direction when the ink cartridge according to the second embodiment of the present utility model is combined with a device.

Fig. 2B is an enlarged schematic view of a portion A2 in fig. 2A.

Fig. 3A is a cross-sectional view taken along a plane perpendicular to the X direction when the ink cartridge according to the third embodiment of the present utility model is combined with a device.

Fig. 3B is an enlarged schematic view of a portion A3 in fig. 3A.

Fig. 4A is a cross-sectional view taken along a plane perpendicular to the X direction when the ink cartridge according to the fourth embodiment of the present utility model is combined with a device.

Fig. 4B is an enlarged schematic view of a portion A4 in fig. 4A.

Fig. 4C is an enlarged schematic view of a portion A5 in fig. 4A.

Detailed Description

[ Embodiment one ]

FIG. 1A is a cross-sectional view taken along a plane perpendicular to the X direction when an ink cartridge according to a first embodiment of the present utility model is combined with a device; fig. 1B is an enlarged schematic view of a portion A1 in fig. 1A.

Fig. 1A and 1B show a state when the ink cartridge 30 is coupled with the mounting portion 20 in the apparatus, as shown in fig. 1A, 1B, the mounting portion 20 is provided in the apparatus for coupling with the ink cartridge 30, the mounting portion 20 has a first side wall 211, a second side wall 212, and an opening 213, the first side wall 211 and the second side wall 212 are provided opposite to each other, and the opening 213 accommodates at least a part of the ink cartridge 30.

For convenience of description, the direction in which the ink cartridge 30 is directed to the mounting portion 20 is defined as +y direction, the direction in which the mounting portion 20 is directed to the ink cartridge 30 is defined as-Y direction, the direction in which the second side wall 212 is directed to the first side wall 211 is defined as +z direction, the direction in which the first side wall 211 is directed to the second side wall 212 is defined as-Z direction, +y direction and-Y direction are collectively referred to as Y direction, +z direction and-Z direction are collectively referred to as Z direction, the Y direction and Z direction are intersected with each other, and the direction intersecting both the Y direction and the Z direction is defined as X direction, preferably, the Y direction, the Z direction, and the X direction are mutually perpendicular. The ink cartridge 30 is mounted to the apparatus in the +y direction and is dismounted in the-Y direction.

Specifically, in the Z direction, the first side wall 211 and the second side wall 212 are disposed opposite to each other, and the first side wall 211 may also be referred to as a top wall 211 and the second side wall 212 may also be referred to as a bottom wall 212. The mounting portion 20 further includes a terminal portion 24 located in the +z direction, the terminal portion 24 being for electrical connection with the cartridge 30 to establish a communication connection between the device and the cartridge 30. The mounting portion 20 further includes an ink introduction portion 22, the ink introduction portion 22 for introducing ink contained in the ink cartridge 30 to the apparatus, the ink introduction portion 22 having a cylindrical portion 221, the cylindrical portion 221 being engageable with the ink cartridge 30, the ink introduction portion 22 further including an ink suction needle 223 in the cylindrical portion 221, the ink suction needle 223 being for engaging with the ink cartridge 30 to supply ink to the apparatus. The opening 213 is an opening oriented in the-Y direction, and is used to accommodate at least a part of the ink cartridge 30. When the ink cartridge 30 is mounted in the +y direction, the ink absorbing needle 223 will generate a first external force F1 in the-Y direction to the ink cartridge 30.

The ink cartridge 30 has a rectangular parallelepiped shape extending in the Y-direction and the Z-direction, and this embodiment and the embodiments described later show only a part of the end of the ink cartridge 30 in the +y-direction. The ink cartridge 30 has a case that can accommodate ink, and a connector 40 that is coupled to the case, the connector 40 also being for coupling to the mounting portion 20, the connector 40 being formed integrally/separately with the case of the ink cartridge 30. The ink cartridge 30 further includes an ink outlet 42 coupled to the connector 40 and a chip member 44 coupled to the connector 40, alternatively, the ink outlet 42 and the chip member 44 may be disposed directly on the housing of the ink cartridge 30, further, the ink outlet 42 includes a circulation portion 423 through which ink can circulate, the ink outlet 42 is configured to be coupled to a barrel portion 221 provided in the ink introduction portion 22 so that ink is introduced into the apparatus, and specifically, when the ink cartridge 30 is mounted, an ink suction needle 223 in the barrel portion 221 may be inserted into the circulation portion 423 provided in the ink outlet 42 so that ink contained in the ink cartridge 30 passes through the circulation portion 423 and enters the apparatus through the ink suction needle 223, that is, the barrel portion 221 is configured to contain at least a portion of the ink outlet 42, and the ink outlet 42 is configured to contain at least a portion of the ink suction needle 223. The chip member 44 is used for electrically connecting with the terminal portion 24 in the device, specifically, the chip member 44 includes a chip seat 441 and a chip substrate 443 disposed on the chip seat 441, the chip seat 441 may be formed integrally/separately with the connector 40, the chip substrate 443 has an electrical contact portion 442 connected with the terminal portion 24, the contact portion when the electrical contact portion 442 contacts with the terminal portion 24 is CP, and the chip member 44/the electrical contact portion 442 is located in the +z direction of the ink outlet portion 42 in the Z direction, so that the ink of the ink outlet portion 42 does not pollute the electrical contact portion 442, thereby protecting the electrical contact portion 442 from stably contacting with the terminal portion 24 and avoiding poor contact or communication interruption. When the ink cartridge 30 is mounted in the +y direction, the terminal portion 24 will generate a second external force F2 in the-Y direction to the electric contact portion 442.

The ink cartridge 30 is further provided with a positioning member 80, in the Z direction, the positioning member 80 being adjacent to the ink outlet portion 42, further, the positioning member 80 may be provided at an upper end (+z direction) and/or a lower end (-Z direction) of the ink outlet portion 42, and the positioning member 80 may be used in combination with the mounting portion 20 to stabilize the mounting of the ink cartridge 30. Fig. 1 shows a structure in which the positioning member 80 is disposed in the +z direction of the ink outlet portion 42, as shown in fig. 1B, preferably, the positioning member 80 is an elastic piece having an elastic force, for example, the positioning member 80 is provided as a cantilever, further, the positioning member 80 may be made of an elastic material or a rigid material, the positioning member 80 extends in the +y direction, and a hook 81 is provided at a free end, and when the ink cartridge 30 is mounted, the hook 81 may abut against an inner wall of the apparatus, for example, the hook 81 may hook the cylindrical portion 221, so that the first external force F1 and the second external force F2 can be overcome when the ink cartridge 30 is mounted, the ink cartridge 30 is prevented from being detached from the apparatus, and an accurate positioning function can be performed, so that the ink cartridge 30 is accurately and stably mounted.

[ Example two ]

Fig. 2A is a cross-sectional view taken along a plane perpendicular to the X direction when the ink cartridge according to the second embodiment of the present utility model is combined with a device; fig. 2B is an enlarged schematic view of a portion A2 in fig. 2A.

The basic structure of this embodiment is the same as that of the first embodiment, except that the positioning member 80 is as follows:

In the present embodiment, the positioning member 80 is close to the chip member 44 in the Z direction, and further, the positioning member 80 may be provided at an upper end (+z direction) and/or a lower end (-Z direction) of the chip member 44. Fig. 2A and 2B show a structure in which the positioning member 80 is disposed in the +z direction of the chip member 44, and the positioning member 80 can prevent the positioning member 80 from affecting the communication connection of the electrical contact 442 with the device. The positioning member 80 may be integrally/separately formed with the connection body 40, alternatively, the positioning member 80 is provided at the chip carrier 441, and preferably, the positioning member 80 is provided extending in the Z direction from the chip carrier 441. Preferably, the positioning member 80 is an elastic piece with elastic force, further, the positioning member 80 may be made of an elastic material or made of a rigid material, for example, the positioning member set to be a cantilever structure in the first embodiment is also suitable for this embodiment, specifically, when the ink cartridge 30 is installed, the cantilever abuts against the device and deforms in the Z direction, and when the ink cartridge 30 is installed in place, the hook 81 of the positioning mechanism 80 reaches the avoiding portion of the device, the positioning member 80 resets under the action of the elastic force, meanwhile, the hook 81 abuts against the inner wall of the device in the Y direction, and the hook 81 hooks the inner wall of the device in the Y direction, so that the ink cartridge 30 overcomes the first external force F1 and the second external force F2, preventing the ink cartridge 30 from being separated from the device, and thus, the ink cartridge 30 is accurately and stably installed.

In other embodiments, as shown in fig. 2A and 2B, the positioning member 80 is provided as a protrusion that does not have an elastic force, and a user pushes or pulls the ink cartridge 30 to perform mounting or dismounting by overcoming a friction force between the protrusion and an inner wall of the apparatus, and when the ink cartridge 30 is mounted, the protrusion is pressed in the Z direction by the apparatus, and when the protrusion reaches the escape portion of the apparatus and is no longer pressed in the Z direction by the apparatus as the ink cartridge 30 continues to move in the mounting direction, the protrusion is caught by the apparatus in the Y direction, so that the ink cartridge 30 overcomes the first external force F1 and the second external force F2 to prevent the ink cartridge 30 from being separated from the apparatus, and further, the embodiment may be applied to other embodiments.

[ Example III ]

Fig. 3A is a cross-sectional view taken along a plane perpendicular to the X direction when the ink cartridge according to the third embodiment of the present utility model is combined with a device; fig. 3B is an enlarged schematic view of a portion A3 in fig. 3A.

The present embodiment is different from the above embodiment in that the positioning member 80 is specifically as follows:

As shown in fig. 3A and 3B, in the present embodiment, the positioning member 80 is a flexible component, for example, may be a member having friction force such as sponge, felt, rubber, or the like, the positioning member 80 is provided on the inner wall of the ink outlet portion 42, and the user performs attachment or detachment by pushing or pulling the ink cartridge 30 against the friction force between the positioning member 80 and the member in the apparatus. The ink absorbing needle 223 may generate a friction force with the positioning member 80 when the ink cartridge 30 is mounted, and thus, the first external force F1 and the second external force F2 may be overcome by the friction force when the ink cartridge 30 is mounted, to prevent the ink cartridge 30 from being detached from the apparatus, so that the ink cartridge 30 is stably mounted. When the ink cartridge 30 is detached, the user applies a force in the detachment direction, that is, pulls the ink cartridge 30 in the detachment direction, so that the frictional force generated between the positioning member 80 and the ink suction needle 223 can be overcome, and the ink cartridge 30 can be directly taken out, so that the mounting/dismounting operation is simple. Optionally, the positioning member 80 may also be disposed in the +z direction of the chip member 44 to overcome the first external force F1 and the second external force F2 by a friction force between the positioning member 80 and the inner wall of the apparatus.

In other embodiments, the positioning member 80 may also be provided on the outer wall of the ink outlet portion 42, such that when the ink cartridge 30 is mounted, the ink outlet portion 42 is inserted into the cylinder portion 221, and the positioning member 80 generates friction with the cylinder portion 221 to overcome the first external force F1 and the second external force F2, so as to prevent the ink cartridge 30 from being detached from the apparatus, thereby allowing the ink cartridge 30 to be stably mounted.

In other embodiments, the positioning members 80 may also be provided on the inner and outer walls of the ink outlet portion 42.

In other embodiments, the positioning member 80 is provided as a component having no elastic force, for example, the positioning member may be a component having friction force such as plastic.

[ Example IV ]

Fig. 4A is a cross-sectional view taken along a plane perpendicular to the X direction when the ink cartridge according to the fourth embodiment of the present utility model is combined with a device; FIG. 4B is an enlarged schematic view of portion A4 of FIG. 4A; fig. 4C is an enlarged schematic view of a portion A5 in fig. 4A.

as shown in fig. 4A, 4B, and 4C, in the present embodiment, the positioning member 80 is a flexible component, for example, may be a member having friction force such as sponge, felt, rubber, or the like, and in the Z direction, the positioning member 80 is located at least one end of the ink cartridge 30/connector 40, preferably, in the Z direction, the positioning member 80 is located at both ends of the ink cartridge 30/connector 40, including a first member 80a and a second member 80B, and the user pushes or pulls the ink cartridge 30 by overcoming the friction force between the positioning member 80 and the members in the apparatus, thereby performing the mounting or dismounting. When the ink cartridge 30 is mounted, the frictional force generated between the first and second members 80a and 80b and the inner wall of the apparatus can overcome the first and second external forces F1 and F2 to prevent the ink cartridge 30 from being detached from the apparatus, thereby allowing the ink cartridge 30 to be stably mounted. When the ink cartridge 30 is detached, the user applies a force in the detachment direction, that is, pulls the ink cartridge 30 in the detachment direction, so that the frictional force generated between the first member 80a and the second member 80b and the inner wall of the apparatus can be overcome, and the ink cartridge 30 can be directly taken out, so that the mounting/dismounting operation is simple.

Claims

1. An ink cartridge detachably mountable to an inkjet image forming apparatus, including an ink discharging portion for supplying ink contained in the ink cartridge to the inkjet image forming apparatus, and a chip member for electrically connecting with the inkjet image forming apparatus, the chip member being located in a +z direction of the ink discharging portion in a Z direction, characterized in that,

The ink cartridge further includes a positioning member for preventing it from coming off the inkjet image forming apparatus, the positioning member being close to the chip member/ink outlet portion in the Z direction.

2. The ink cartridge as in claim 1, wherein the positioning member is provided with a hook portion.

3. The ink cartridge as in claim 1, wherein the positioning member is provided as a member having a friction force.

4. The ink cartridge according to claim 2, wherein the hook portion is provided at an upper end and/or a lower end of the chip member, or the hook portion is provided at an upper end and/or a lower end of the ink outlet portion.

5. The ink cartridge according to claim 4, wherein a cartridge portion for coupling with the ink cartridge is provided in the ink-jet image forming apparatus, the hook portion being for coupling with the cartridge portion when the hook portion is provided at an upper end and/or a lower end of the ink-discharging portion.

6. The ink cartridge according to claim 4, wherein when the hook portion is provided at an upper end and/or a lower end of the chip member, the hook portion abuts against an inner wall of the inkjet image forming apparatus in the Y direction.

7. The ink cartridge as claimed in claim 3, wherein the positioning member is provided on an inner wall and/or an outer wall of the ink outlet portion.

8. The ink cartridge as in claim 3, wherein the positioning member is provided at least one end of the ink cartridge in the Z-direction.

9. The ink cartridge according to claim 7, wherein a cartridge portion for coupling with the ink cartridge and an ink absorbing needle provided in the cartridge portion are provided in the ink-jet image forming apparatus, the cartridge portion being for accommodating at least a part of an ink discharging portion for accommodating at least a part of the ink absorbing needle; when the ink box is installed, the positioning member is used for being matched with the ink suction needle and generating friction force when being arranged on the inner wall of the ink outlet part, and is used for being matched with the cylinder part and generating friction force when being arranged on the outer wall of the ink outlet part.

10. The ink cartridge as claimed in claim 8, wherein the positioning member generates a frictional force with an inner wall in the inkjet image forming apparatus when the ink cartridge is mounted.