WO2022000800A1

WO2022000800A1 - Ink cartridge

Info

Publication number: WO2022000800A1
Application number: PCT/CN2020/115458
Authority: WO
Inventors: 王海权; 余青松
Original assignee: 珠海鼎龙汇杰科技有限公司
Priority date: 2020-06-30
Filing date: 2020-09-16
Publication date: 2022-01-06
Also published as: CN214083507U

Abstract

Disclosed is an ink cartridge, which is used for being mounted on a mounting part (30) of a printing apparatus, the mounting part (30) being provided with a vertical side clamping surface (31). The ink cartridge comprises an ink cartridge body (20), and an elastic connecting member (10) connected to the ink cartridge body (20). The elastic connecting member (10) comprises an abutting part (12) that is elastic. The abutting part (12) can be deflected in the direction close to the ink cartridge body (20), and the abutting part (12) can abut against the vertical side clamping surface (31). The ink cartridge has a simple structure, and an assembly process for the ink cartridge and the mounting part (30) is simplified.

Description

ink cartridge

Related applications

This application claims the priority of the Chinese patent application filed on June 30, 2020, the application number is 202021238943.5, and the application name is "ink cartridge", the entire content of which is incorporated into this application by reference.

technical field

The present application relates to the field of printing technology, and in particular, to an ink cartridge.

Background technique

At present, although laser printers have become more popular, due to the high maintenance cost of laser printers, inkjet printers are still relatively common printing tools in some specific places and fields, occupying a very large market share, especially in households, Shops, offices, etc. As a consumable for inkjet printing, ink cartridges are also in great demand in the market.

The ink cartridge is installed in the printing device, and when the ink cartridge is installed, the ink cartridge can be installed in the installation part of the printing device. The fixing method of the existing ink cartridge and the mounting part of the printing device. As shown in FIG. 1, the ink cartridge includes a locking mechanism, the locking mechanism is a lever structure, the locking mechanism includes an engaging mechanism, a movable rod 44 and a reset member 45, and the engaging mechanism includes an engaging portion 46, and the engaging portion 46 can extend to In the mounting hole of the mounting part 5, the movable rod 44 has a shaft center 442, an operation part 440 and a force application part 441. When an external force is applied to the operation part 440, the movable rod 44 rotates, so that the force application part 441 moves to the direction opposite to the external force. Movement in the opposite direction causes the engaging portion to push out of the mounting hole of the mounting portion 5 . However, the fixing method between the ink cartridge and the mounting part of the printing device is very complicated, and when the ink cartridge is matched with the mounting part of the printing device, the locking mechanism is complicated, which makes the assembly process complicated and increases the manufacturing cost of the ink cartridge.

SUMMARY OF THE INVENTION

According to various embodiments of the present application, there is provided an ink cartridge with a simple structure, simplified assembly process, and low manufacturing cost. The ink cartridge is detachably mounted on a printing device, and the printing device includes a mounting portion, and the mounting portion has a mounting portion on the mounting portion. The vertical side engaging surface, the ink cartridge includes an ink cartridge body, and an elastic connecting piece connected with the ink cartridge body, the elastic connecting piece includes an elastic abutting portion, and the abutting portion can approach the ink cartridge body. The abutting portion can abut against the vertical side engaging surface.

The above ink cartridges have the following advantages:

When the elastic abutting portion is displaced toward the direction close to the ink cartridge body, the ink cartridge can easily put the ink cartridge into the to-be-installed position of the mounting portion; when the abutting portion returns to its original state, the abutting portion firmly abuts On the vertical side engaging surface of the mounting portion, the ink cartridge is also firmly fixed on the mounting portion. The elastic connecting member has a simple structure and simplifies the assembly process with the mounting portion, so that the manufacturing cost of the ink cartridge is relatively low. Low.

In one embodiment, the abutting portion includes a sheet-shaped abutting plate and a protruding block integrally formed with the abutting plate, and the protruding block can abut against the vertical side engaging surface. Therefore, by disposing the protruding block on the sheet-like abutting plate, the protruding block can be displaced as the sheet-shaped abutting plate is offset, so as to realize the elastic force of the protruding block through the sheet-like abutting plate The protruding block is firmly abutted on the vertical side engaging surface, so as to achieve the effect of firm cooperation and convenient disassembly between the ink cartridge and the printing device.

In one embodiment, the abutting portion is further provided with a through hole, the through hole penetrates the abutment plate, and the abutment plate has at least one protruding block located on the peripheral side of the through hole. Therefore, through the arrangement of the through holes, on the one hand, the force that the user needs to apply to the abutting part when installing and dismounting the ink cartridge is reduced, which facilitates the installation and disassembly of the ink cartridge by the user; The structure located between the two vertical side engaging surfaces or the fixed installation structure for fixing the elastic connecting piece on the ink cartridge body is avoided, thereby achieving the effect of saving material and simplifying the structure.

In one of the embodiments, the protruding block is a wedge-shaped block, wherein the edge of the wedge-shaped block can abut against the vertical side engaging surface. The effect of surface contact and abutment ensures that the upper edge of the wedge-shaped block only needs to be able to firmly abut within a certain area of the vertical side engaging surface during design, and there is no need to limit the wedge-shaped block to abut on the vertical side engaging surface. The specified position can offset the size error of the cartridge body or the mounting part.

In one embodiment, the protruding block includes an abutting surface, when the ink cartridge is installed on the mounting portion, the abutting surface and the vertical side engaging surface are parallel, and the abutting surface can abut It is connected to the vertical side engaging surface, so through the abutting surface parallel to the vertical side engaging surface and the vertical side engaging surface, the effect of surface-to-surface contact is achieved, and the method of surface-to-surface contact can be Increase the friction between the two to ensure the firmness of the connection between the two.

In one embodiment, the abutting surface of the protruding block has a plurality of abutting portions arranged at intervals and protruding, and each abutting portion can abut against the vertical side engaging surface. Therefore, through the arrangement of the plurality of protruding abutting portions, the plurality of abutting portions abut against the vertical side engaging surface, so as to realize the fixed connection between the ink cartridge and the mounting portion.

In one of the embodiments, the abutting portions are raised strips and/or raised points. Therefore, through the raised strips and/or raised points of the plurality of raised abutting portions, the abutting portions and the vertical side engaging surfaces are in line-to-surface contact, point-to-surface contact or point-to-surface contact. Abutting in such a way that contact and line-to-surface contact coexist.

In one embodiment, the elastic connecting member includes a connecting portion, the connecting portion includes a sheet-shaped connecting plate and a matching portion located on the connecting plate, and the matching portion is detachably connected to the ink cartridge body , the connecting plate and the abutting plate are integrally formed, and the abutting plate extends upward along one end of the connecting plate obliquely. Therefore, the connecting assembly can detachably fix the elastic connecting piece on the ink cartridge body, which is convenient for replacement when damaged.

In one embodiment, the ink cartridge body includes at least one row of grooves, the matching portion is at least one row of connecting blocks corresponding to the grooves, and the connecting blocks are detachably fastened to the grooves . Therefore, through the snap connection between the connecting block and the groove, the elastic connecting piece can be fixed on the ink cartridge body.

In one embodiment, the ink cartridge body includes at least two protruding posts, the matching portion is at least two positioning holes, and each of the protruding posts is inserted into one of the positioning holes. Therefore, through the one-to-one insertion between the at least two raised posts and the at least two positioning holes, it can be realized that the elastic connecting piece cannot be rotated along the radial direction of the raised posts, and the elastic connecting piece can be placed in the position of the raised posts. The radial direction is fixed, which achieves the effect of quick installation and removal without affecting the fixed installation of the ink cartridge.

In one of the embodiments, the elastic connecting member further includes a pressing portion, wherein the pressing portion extends along the abutting portion. It is convenient to apply force to the elastic connecting piece to make the abutting part of the elastic connecting piece approach the direction of the ink cartridge body, so as to realize the installation and removal of the ink cartridge.

Description of drawings

In order to better describe and illustrate embodiments and/or examples of those inventions disclosed herein, reference may be made to one or more of the accompanying drawings. The additional details or examples used to describe the drawings should not be construed as limiting the scope of any of the disclosed inventions, the presently described embodiments and/or examples, and the best mode presently understood of these inventions.

FIG. 1 is a schematic diagram of an ink cartridge in the prior art.

FIG. 2 is a schematic structural diagram of an ink cartridge and a mounting portion of a printing device when assembled according to an embodiment of the application.

FIG. 3 is a partial enlarged structural schematic diagram of part C in FIG. 1 .

FIG. 4 is a schematic structural diagram of the ink cartridge in the above-mentioned embodiment of the application.

FIG. 5 is a schematic structural diagram of the elastic connecting member of the ink cartridge according to the above-mentioned embodiment of the application.

FIG. 6 is a schematic structural diagram of an elastic connecting member of an ink cartridge according to another embodiment of the present application.

FIG. 7 is a schematic structural diagram of the elastic connecting member of the ink cartridge according to the modified embodiment of FIG. 6 .

FIG. 8 is a schematic structural diagram of the elastic connecting member of the ink cartridge according to another modified embodiment of FIG. 6 .

FIG. 9 is a schematic structural diagram of the connection between the elastic connector of the ink cartridge and the ink cartridge body according to another embodiment of the application.

FIG. 10 is a partial cross-sectional schematic view of the ink cartridge of the embodiment in FIG. 9 .

FIG. 11 is an enlarged schematic view of part D of the ink cartridge of the embodiment in FIG. 10 .

FIG. 12 is a schematic structural diagram of the connection between the elastic connector of the ink cartridge and the ink cartridge body according to another embodiment of the application.

FIG. 13 is a schematic structural diagram of the above-mentioned embodiment when the elastic connecting member of the ink cartridge and the ink cartridge body are not connected.

detailed description

The ink cartridges provided in this application will be further described below.

Referring to FIG. 2 , a schematic structural diagram of an ink cartridge provided by the present application is shown. In the present application, the ink cartridge is applied to the inkjet printer, and specifically, the ink cartridge is applied and installed on the installation part 30 of the inkjet printer. Referring to FIG. 2 , a plurality of ink cartridges can be mounted on the mounting portion 30 , and correspondingly, the mounting portion 30 has a plurality of vertical side engaging surfaces 31 arranged at intervals.

Referring to FIGS. 2 to 5 , the ink cartridge is used to be installed on the installation part 30 of the printing device, at least one ink cartridge can be installed on the installation part 30, the installation part 30 has a vertical side engaging surface 31, and the ink cartridge includes the ink cartridge body 20 and the The elastic connecting piece 10 connected to the ink cartridge body 20 is detachably abutted against the vertical side engaging surface 31 , wherein the elastic connecting piece 10 includes a connecting part 11 and an elastic abutting part 12 , wherein, One end of the connecting portion 11 is connected to the ink cartridge body 20, and the other end of the connecting portion 11 is connected to the abutting portion 12. The abutting portion 12 can be displaced toward the direction of approaching the ink cartridge body 20. When a force is applied, the abutting portion 12 is moved closer to the ink cartridge body 20. When the direction of the ink cartridge body 20 is shifted, the ink cartridge can be easily put into the mounting portion 30, and when the applied force is released, the abutting portion 12 will return to its original state under its own elastic action, and the abutting portion 12 will use the Its elastic force abuts on the vertical side engaging surface 31 , and then the ink cartridge is also firmly fixed on the mounting portion 30 . This process is simple in installation and stable in engagement. Here, the way in which the abutting portion 12 abuts against the vertical side engaging surface 31 is that the abutting portion 12 is firmly pressed against the vertical side engaging surface 31 by the elastic force of the abutting portion 12 to realize the abutting between the two. fixed between.

Referring to FIG. 5 to FIG. 8 , the abutting portion 12 includes a sheet-like abutting plate 121 and a protruding block (122, 122A) provided on the abutting plate 121, wherein the protruding block (122, 122A) can abut against the vertical Straight side engaging surface 31 . Specifically, when a force is applied to deflect the abutment plate 121 toward the direction close to the ink cartridge body 20, the ink cartridge can be easily put into the mounting portion 30, and when the applied force is released, the abutment plate 121 will The elastic force drives the protruding block 122 to firmly abut on the vertical side engaging surface 31 of the mounting portion 30 , and then the ink cartridge is also firmly fixed on the mounting portion 30 . When the ink cartridge needs to be disassembled, it is only necessary to apply a force to make the abutment plate 121 shift toward the direction close to the ink cartridge body 20, and at this time, the protruding blocks (122, 122A) of the abutment plate 121 are disengaged from the vertical side engagement The surface 31 is detached from the ink cartridge and the mounting portion 30 , and the ink cartridge is then removed from the mounting portion 30 .

Referring to FIG. 7 , the abutting portion 12 is further provided with a through hole 123 , the through hole 123 penetrates the abutment plate 121 , and the abutment plate 121 has at least one protrusion located on the peripheral side of the through hole 123 . The block 122 can reduce the force exerted on the abutment plate 121 to move toward the direction close to the ink cartridge body 20 , and the design of the through hole 123 can also avoid other structures inside the mounting portion 30 . Preferably, the abutting plate 121 has two protruding blocks 122 , wherein the two protruding blocks 122 are located on both sides of the through hole 123 , and each protruding block 122 can abut against a vertical side engaging surface correspondingly 31. On the one hand, the design of the through hole can reduce the force required by the user when installing and removing the ink cartridge, so as to realize the installation and removal of the ink cartridge more conveniently. The two vertical side engaging surfaces 31 and the through holes 123 are arranged to avoid the structure between the two vertical side engaging surfaces 31 or the fixed installation structure for fixing the elastic connector 10 on the ink cartridge body 20, Thus, the effect of saving material and simplifying the structure is achieved.

Specifically, referring to FIG. 7 , in an embodiment of the present application, the raised block 122 is a wedge-shaped block, wherein the upper edge of the wedge-shaped block can abut against the vertical side engaging surface 31 , and the upper edge of the wedge-shaped block The edge is in contact with the vertical side engaging surface 31 to achieve the effect of line-surface contact and abutment, so as to ensure that the upper edge of the wedge-shaped block only needs to be able to firmly abut within a certain area of the vertical side engaging surface 31 during design. , it is not necessary to limit the fixed position of the wedge-shaped block abutting on the vertical side engaging surface 31 , which can offset the size error of the ink cartridge body 20 or the mounting portion 30 . In addition, the line-to-surface contact connection method has lower requirements on the position of the raised block 122, so the error of the fitting between the raised block 122 and the vertical side engaging surface 31 can be reduced, so as to facilitate the cooperation without deliberately to find the location of the clip.

In other embodiments of the present application, as shown in FIG. 6 , the protruding block 122A may further include an abutment surface 1221A. When the ink cartridge is installed on the installation portion 30 , the abutment surface 1221A is connected to the vertical surface 1221A. The straight-side engaging surfaces 31 are parallel, and the abutting surface 1221A can abut against the vertical-side engaging surfaces 31 to achieve the effect of surface-to-surface contact, and the method of surface-to-surface contact can increase both The friction between the two ensures the firmness of the connection between the two.

In other embodiments of the present application, as shown in FIGS. 7 and 8 , the abutting surface 1221A of the protruding block 122A has a plurality of protruding abutting portions arranged at intervals, and each abutting portion can abut against the The vertical side engaging surface 31 provides a plurality of abutting points to firmly fix the ink cartridge on the mounting portion 30 .

Referring to FIG. 7 , specifically, in the embodiment of the present application, the abutting portion may be implemented as a plurality of raised protruding bars 1222A arranged at intervals, preferably, the plurality of raised bars are arranged in parallel; The protruding strips may be linear, and a plurality of linear protruding strips are arranged on the abutting surface 1221A in parallel and at intervals. Of course, those skilled in the related art should understand that the plurality of raised bars may be curvilinear, for example, the raised bars are circular rings, elliptical rings or arcs, etc., which are concentrically disposed on the abutting surface 1221A.

Referring to FIG. 8 , specifically, in the embodiment of the present application, the abutting portion may be implemented as a plurality of raised raised points 1222B arranged at intervals, wherein the raised points 1222B may be arranged at random intervals, preferably raised points 1222B Set up in a matrix. Those skilled in the related art should understand that the raised points can also be combined into other patterns, such as concentric rings or parallel straight lines. In addition, in the present application, the raised strips 1222A and the raised points 1222B can be arranged in a mixed manner, as long as the height of the raised bars 1222A and the raised heights of the raised points 1222B are the same, the specific arrangement is not limited. Through the arrangement of the plurality of protruding abutting portions, the plurality of abutting portions abut against the vertical side engaging surface 31, and the abutting portions and the vertical side engaging surface 31 can abut in a line-surface contact manner, or Abutting in the form of point-to-surface contact, or abutment by the coexistence of point-to-surface contact and line-to-surface contact.

Referring to FIG. 4 , the connecting portion 11 includes a sheet-shaped connecting plate 111 and a matching portion located on the connecting plate 111 . The matching portion is detachably connected to the ink cartridge body 20 , and the connecting plate 111 is integrally formed on the abutting plate. 121, the abutting plate 121 extends upwards obliquely along one end of the connecting plate 111, and the elastic connecting piece 10 can be detachably fixed on the ink cartridge body 20 through the connecting assembly, which is convenient for replacement when damaged.

Specifically, the matching portion is at least one row of connecting blocks 112 , the ink cartridge body 20 includes at least one corresponding row of grooves 21 , and the connecting blocks 112 are detachably fastened to the grooves 21 . The connection block 112 and the groove 21 of the ink cartridge body 20 are buckled and connected, so that the elastic connecting piece 10 can be fixed on the ink cartridge body 20. This connection method has a simple structure and is convenient to operate.

Referring to FIGS. 12 and 13 , the ink cartridge body 20 includes at least two protruding posts 21C, and the mating portion is provided on the connecting plate 111 and has at least two positioning holes 112C that can be clamped to the protruding posts 21C. The elastic connector 10 can move in the length direction of the raised post 21C but cannot rotate along the radial direction of the raised post 21C, which is convenient for installation. and disassembly. Of course, those skilled in the art should understand that after the two protruding posts 21C pass through the two positioning holes 112C of the elastic connecting member 10, the elastic connecting member 10 can move along the axial direction of the protruding posts 21C, but cannot move along the axial direction of the protruding posts 21C. When the abutting portion 12 is rotated along the axial direction of the protruding post 21C when it is mounted on the mounting portion 30, the abutting portion 12 is subjected to an elastic force along the axial direction of the protruding post 21C, and The elastic connecting member 10 is tightly clamped between the vertical side engaging surface 31 and the ink cartridge body 20 , so that the elastic connecting member 10 is fixed on the ink cartridge body 20 . When the ink cartridge is disassembled, there is no need to fix between the elastic connecting member 10 and the ink cartridge body 20, so that the ink cartridge body 20 and the elastic connecting member 10 can be separated, which is convenient for classification, storage and replacement.

Referring to FIG. 5 , in an embodiment of the present application, the elastic connector 10 further includes a pressing portion 13 , wherein the pressing portion 13 integrally extends upward along the abutting portion 12 . Specifically, the end of the pressing portion 13 is opposite to The abutting plate 121 is at an approximately vertical angle to facilitate the user to press. Further, when the ink cartridge needs to be disassembled, it is only necessary to apply pressure on the pressing portion 13, thereby driving the abutting portion 12 to shift toward the direction close to the ink cartridge body 20, so that the protruding block 122 on the abutting plate 121 is disengaged The vertical side engaging surface 31 can conveniently take out the ink cartridge, thereby realizing the quick installation and removal of the ink cartridge.

The ink cartridge provided by the present application can be assembled to the installation part 30 in the following way: when the ink cartridge is installed, a force is applied to make the abutting part 12 shift toward the direction close to the ink cartridge body 20, and the ink cartridge can be placed on the installation part 30, When the applied force is released, the abutting portion 12 will return to its original state under its own elastic force, and the abutting portion 12 firmly abuts against the vertical side engaging surface 31 by virtue of its elastic force, thereby fixing the ink cartridge. in the mounting part 30 . When the ink cartridge is removed from the mounting portion 30 , it is only necessary to apply a pressing force on the pressing portion 13 , thereby driving the abutting portion 12 to shift toward the direction close to the ink cartridge body 20 , so that the protruding block 122 on the abutting plate 121 is moved. Detach the vertical side engaging surface 31, and then take out the ink cartridge to complete the disassembly process, which is simple and easy to operate.

The technical features of the above-described embodiments can be combined arbitrarily. For the sake of brevity, all possible combinations of the technical features in the above-described embodiments are not described. However, as long as there is no contradiction between the combinations of these technical features, All should be regarded as the scope described in this specification.

The above-mentioned embodiments only represent several embodiments of the present application, and the descriptions thereof are relatively specific and detailed, but should not be construed as limiting the scope of the patent application. It should be noted that, for those skilled in the art, without departing from the concept of the present application, several modifications and improvements can be made, which all belong to the protection scope of the present application. Therefore, the scope of protection of the patent of the present application shall be subject to the appended claims.

Claims

An ink cartridge can be detachably installed on a printing device, the printing device includes a mounting portion, and the mounting portion has a vertical side engaging surface, characterized in that the ink cartridge comprises an ink cartridge body, and is connected with the ink cartridge body The elastic connecting piece includes an elastic abutting portion, the abutting portion can be offset in a direction close to the ink cartridge body, and the abutting portion can abut against the vertical side card face together.
The ink cartridge according to claim 1, wherein the abutting portion comprises a sheet-shaped abutting plate and a protruding block provided on the abutting plate, the protruding block being capable of abutting against the vertical Straight side engaging surface.
The ink cartridge according to claim 2, wherein the abutting portion is further provided with a through hole, the through hole penetrates the abutment plate, and the abutment plate has at least one hole located on the peripheral side of the through hole raised block.
The ink cartridge according to claim 3, wherein the protruding block is a wedge-shaped block, wherein an upper edge of the wedge-shaped block can abut against the vertical side engaging surface.
The ink cartridge according to claim 3, wherein the protruding block includes an abutting surface, and when the ink cartridge is mounted on the mounting portion, the abutting surface and the vertical side engaging surface are parallel, so The abutting surface can abut on the vertical side engaging surface.
The ink cartridge according to claim 3, wherein the protruding block comprises an abutting surface, and the abutting surface has a plurality of abutting portions arranged at intervals and protruding, each of the abutting portions being capable of abutting against connected to the vertical side engaging surface.
The ink cartridge according to claim 6, wherein the abutting portion is a raised strip and/or a raised point.
The ink cartridge according to any one of claims 2 to 7, wherein the elastic connecting member includes a connecting portion, the connecting portion includes a sheet-shaped connecting plate and a matching portion located on the connecting plate, the The matching portion is detachably connected to the ink cartridge body, the connecting plate and the abutting plate are integrally formed, and the abutting plate extends upward along one end of the connecting plate obliquely.
The ink cartridge according to claim 8, wherein the ink cartridge body comprises at least one row of grooves, the matching portion is at least one row of connection blocks corresponding to the grooves, and the connection blocks are detachably buckled fit into the groove.
The ink cartridge according to claim 8, wherein the ink cartridge body comprises at least two raised posts, the matching portion is at least two positioning holes, and each of the raised posts is inserted into one of the positioning holes hole.
The ink cartridge according to any one of claims 1 to 7, wherein the elastic connecting member further comprises a pressing portion, wherein the pressing portion integrally extends upward along the abutting portion.