JP3238372U - cartridge - Google Patents

Abstract

The present invention relates to cartridges. The cartridge is mounted in a mounting portion of the printing device, the mounting portion having a vertical side engagement surface. The cartridge comprises a cartridge body and an elastic connection member connected to the cartridge body, the elastic connection member comprising an elastic abutment portion, the abutment portion being capable of being offset in a direction approaching the cartridge body. , abuttable against the vertical side engagement surface. The cartridge is simple in construction and simplifies the assembly process with the mounting. [Selection drawing] Fig. 4

Description

(Cross-reference of related applications)
This application was proposed based on a Chinese utility model application with a filing date of June 30, 2020, an application number of 20201238943.5, and a device name of "cartridge". It claims priority and the entire contents of the Chinese utility model application are incorporated herein by reference.

The present invention belongs to the technical field of printing and is particularly related to cartridges.

Today, laser printers are already widespread, but due to the high maintenance costs of laser printers, inkjet printers are still a popular printing tool in certain locations and areas, especially in homes, stores and offices. It occupies a very large market occupancy. Cartridges are in great market demand as consumables for inkjet printers.

The cartridge is attached to the printing device. When mounting the cartridge, the cartridge can be mounted on the mounting part of the printing device. As shown in FIG. 1, the conventional method in which the cartridge is fixed to the mounting portion of the printing device includes a locking mechanism having a lever structure. The locking mechanism includes an engaging mechanism, a movable rod 44, and a reset member 45. The engaging mechanism includes a joint 46 that can extend to the mounting holes of the mounting 5. The movable rod 44 has an axial center 442, an operating portion 440, and an urging portion 441. When an external force is applied to the operating portion 440, the movable rod 44 rotates to move the urging portion 441 in a direction opposite to the direction of the external force, thereby pushing the joint portion out of the mounting hole of the mounting portion 5. However, the fixing method between the cartridge and the mounting portion of the printing device is very complicated, and when the cartridge is mounted on the mounting portion of the printing device, the configuration of the locking mechanism is complicated, so that the assembly process is complicated. It becomes complicated and the manufacturing cost of the cartridge increases.

Each embodiment of the present invention provides a cartridge that is simple to configure, simplifies the assembly process, and has a relatively low manufacturing cost, the cartridge being detachably attached to a printing apparatus, the printing apparatus. The cartridge comprises a mounting portion having a vertical engaging surface, the cartridge comprises a cartridge body and an elastic connecting member connecting to the cartridge body, the elastic connecting member comprises an elastic abutting portion, and the abutting portion is said to be said. It can be offset in a direction close to the cartridge body and can come into contact with the vertical engaging surface.

The cartridge has the following merits.

When the elastic contact portion is offset toward the cartridge body, the cartridge is likely to be placed at the mounting position of the mounting portion. When the abutment is restored, the abutment is firmly abutted against the vertical engaging surface of the attachment so that the cartridge is also firmly fixed to the attachment. The structure of the elastic connecting member is simple, and the assembly process with the mounting portion is simplified, whereby the manufacturing cost of the cartridge is relatively low.

In one embodiment, the abutting portion includes a flake-shaped abutment plate and a bump integrally molded with the abutment plate, and the bump can abut on the vertical engagement surface. Therefore, when the bumps are placed on the flake abutment plate, the bumps are offset as the flake abutment plate is offset, thereby causing the bumps to be vertical due to the elastic force of the flake abutment plate. Firmly abuts on the side engagement surface to provide a firm fit between the cartridge and the printing device, and to achieve the effect of facilitating removal.

In one embodiment, the abutting portion is provided with a through hole that penetrates the abutting plate, and the abutting plate has at least one bump located on the peripheral side of the through hole. Therefore, by installing the through hole, the acting force applied to the contact portion when the user attaches / detaches the cartridge is reduced, which makes it convenient for the user to attach / detach to the cartridge, and on the other hand, by providing the through hole, 2 The configuration between the two vertical engaging surfaces is avoided, or the fixed mounting configuration in which the elastic connecting member is fixed to the cartridge body is avoided, which has the effect of saving material and simplifying the configuration.

In one embodiment, since the bump is a wedge block whose edge can be brought into contact with the vertical engaging surface, the upper edge of the wedge block and the vertical engaging surface come into contact with each other to form a line / surface. When designing to achieve the effect of contact and contact, it is not necessary to limit the wedge block to contact a specific position on the vertical engagement surface, and the upper edge of the wedge block is constant on the vertical engagement surface. It is sufficient to firmly contact the region of the cartridge body or the mounting portion, and the dimensional error of the cartridge body or the mounting portion can be offset.

In one embodiment, the bump comprises a contact surface parallel to the vertical engagement surface when the cartridge is attached to the mounting portion so that the contact surface can contact the vertical engagement surface. be. Therefore, the contact surface parallel to the vertical engagement surface and the vertical engagement surface come into contact with each other to realize the effect of surface-to-surface contact. The force can be increased and the robustness of the connection between the two can be ensured.

In one embodiment, the contact surface of the bump has a plurality of leaning portions that are installed at intervals and project from each other, and each leaning portion can come into contact with the vertical engaging surface. Therefore, by installing the plurality of protruding leaning portions, the plurality of leaning portions come into contact with the vertical engaging surface, and a fixed connection between the cartridge and the mounting portion is realized.

In one embodiment, the leaning portion is a convex bar and / or a convex point. Therefore, due to the convex bars and / or convex points that are a plurality of protruding leaning portions, the leaning portion and the vertical engaging surface are in line / surface contact, point / surface contact, or point / surface contact and line / surface. Achieve contact by a combination method of contact.

In one embodiment, the elastic connecting member comprises a connecting portion comprising a flake-shaped connecting plate and an engaging portion located on the connecting plate, the engaging portion being removably connected to the cartridge body, and said. The connecting plate is integrally molded with the abutting plate, and the abutting plate extends upward in an inclined manner along one end of the connecting plate. Therefore, according to the connecting component, the elastic connecting member is detachably fixed to the cartridge body and can be easily replaced even if it is damaged.

In one embodiment, the cartridge body comprises at least one row of recesses, the engaging portion is at least one row of connecting blocks corresponding to the recesses, and the connecting blocks are removably engaged with the recesses. Will be done. Therefore, the elastic connection member is fixed to the cartridge body by tightening and connecting the connection block and the concave groove.

In one embodiment, the cartridge body comprises at least two protruding columns, the engaging portion is at least two positioning holes, and each of the protruding columns is inserted into one of the positioning holes. When at least two projecting columns and at least two positioning holes are inserted and connected one-to-one, the elastic connecting member cannot rotate along the radial direction of the projecting column, and the elastic connecting member is connected to the diameter of the projecting column. It can be fixed in the direction and can be attached and detached quickly, and the effect of not affecting the fixed mounting of the cartridge is achieved.

In one embodiment, the elastic connecting member further comprises a retainer that extends along the abutment. By applying an acting force to the elastic connecting member, the contact portion of the elastic connecting member can be easily brought close to the direction of the cartridge body, and attachment / detachment to / from the cartridge can be realized.

One or more drawings may be referenced to illustrate examples and / or examples of these inventions disclosed herein. Additional details and illustrations for describing the drawings shall limit the scope of any of the disclosed inventions, the described examples and / or examples, and the understood optimal embodiments of these inventions. Should not be considered.
FIG. 1 is a schematic view of a cartridge according to an existing technique. FIG. 2 is a schematic configuration diagram when the cartridge and the mounting portion of the printing apparatus according to the embodiment of the present invention are assembled. FIG. 3 is a schematic configuration diagram in which a part of part C in FIG. 1 is enlarged. FIG. 4 is a schematic configuration diagram of a cartridge according to the above embodiment of the present invention. FIG. 5 is a schematic configuration diagram of an elastic connecting member of the cartridge according to the above embodiment of the present invention. FIG. 6 is a schematic configuration diagram of an elastic connecting member of a cartridge according to another embodiment of the present invention. FIG. 7 is a schematic configuration diagram of an elastic connection member of the cartridge according to the modified embodiment of FIG. FIG. 8 is a schematic configuration diagram of an elastic connecting member of the cartridge according to another modified embodiment of FIG. FIG. 9 is a schematic configuration diagram in which the elastic connection member of the cartridge and the cartridge main body are connected according to another embodiment of the present invention. FIG. 10 is a schematic partial cross-sectional view of the cartridge according to the embodiment in FIG. FIG. 11 is an enlarged schematic view of a D portion of the cartridge according to the embodiment in FIG. FIG. 12 is a schematic configuration diagram when the elastic connecting member of the cartridge and the cartridge main body according to another embodiment of the present invention are connected. FIG. 13 is a schematic configuration diagram when the elastic connecting member of the cartridge and the cartridge main body according to the above embodiment are not connected.

Hereinafter, the cartridge according to the present invention will be further described.

As shown in FIG. 2, a schematic configuration diagram of a cartridge according to the present invention is shown. In the present invention, the cartridge is applied to an inkjet printer, and specifically, the cartridge is applied to and attached to the mounting portion 30 of the inkjet printer. As shown in FIG. 2, the mounting portion 30 is provided with a plurality of vertical engaging surfaces 31 installed at intervals so that a plurality of cartridges can be mounted on the mounting portion 30.

As shown in FIGS. 2 to 5, the cartridge is mounted on the mounting portion 30 of the printing apparatus, at least one cartridge is mounted on the mounting portion 30, and the mounting portion 30 has a vertical engaging surface 31 and is a cartridge. Includes a cartridge body 20 and an elastic connecting member 10 connected to the cartridge body 20. The elastic connecting member 10 is removably abutted on the vertical engaging surface 31. The elastic connecting member 10 includes a connecting portion 11 and an elastic contact portion 12, one end of the connecting portion 11 is connected to the cartridge main body 20, and the other end of the connecting portion 11 is connected to the abutting portion 12. The contact portion 12 can be offset in a direction close to the cartridge main body 20. When an acting force is applied to offset the contact portion 12 toward the cartridge body 20, the cartridge is likely to be placed on the mounting portion 30. When the applied force is released, the abutting portion 12 is restored by its own elastic action, and the abutting portion 12 abuts on the vertical engaging surface 31 via the elastic acting force, whereby the cartridge also It is firmly fixed to the mounting portion 30. In this process, the mounting method is simple and the engagement is stable. Here, the abutting portion 12 is firmly pressed against the vertical side engaging surface 31 by its elastic force and is brought into contact with the vertical side engaging surface 31 so as to realize fixing between the two.

As shown in FIGS. 5 to 8, the contact portion 12 includes a flake-shaped contact plate 121 and bumps (122, 122A) provided on the contact plate 121, and the bumps (122, 122A) are vertically engaged. It can come into contact with the mating surface 31. Specifically, when an acting force is applied to offset the contact plate 121 in a direction close to the cartridge body 20, the cartridge is likely to be placed on the mounting portion 30. When the applied force is released, the contact plate 121 is restored by its own elastic action, and the elastic force causes the bump 122 to firmly contact the vertical engaging surface 31 of the mounting portion 30, thereby causing the bump 122 to firmly contact the vertical engaging surface 31 of the mounting portion 30. The cartridge is also firmly fixed to the mounting portion 30. When it is necessary to remove the cartridge, an acting force may be applied to offset the contact plate 121 in a direction close to the cartridge body 20, and at this time, the bumps (122, 122A) of the contact plate 121 are vertical. It is separated from the side engaging surface 31 to realize the separation between the cartridge and the mounting portion 30, thereby removing the cartridge from the mounting portion 30.

As shown in FIG. 7, the contact portion 12 is further provided with a through hole 123. The through hole 123 penetrates the contact plate 121, and the contact plate 121 has at least one bump 122 located on the peripheral side of the through hole 123, and the contact plate 121 is close to the cartridge body 20. It is possible to reduce the application of a force that offsets in the direction. By designing the through hole 123, other configurations inside the mounting portion 30 can be avoided. Preferably, the abutting plate 121 comprises two bumps 122 located on either side of the through hole 123, each of which can abut against one vertical engagement surface 31. By designing the through holes, the force required when the user attaches and detaches the cartridge is reduced, and the attachment and detachment to and from the cartridge becomes more convenient. On the other hand, the bumps 122 on both sides can come into contact with the two vertical engaging surfaces 31, respectively, and by providing the through holes 123, the configuration between the two vertical engaging surfaces 31 can be avoided, or the elastic connecting member can be used. It is possible to avoid a fixed mounting configuration in which the 10 is fixed to the cartridge body 20, which has the effect of saving materials and simplifying the configuration.

Specifically, as shown in FIG. 7, in one embodiment of the present invention, the bump 122 is a wedge block whose upper edge can be brought into contact with the vertical engaging surface 31. The upper edge of the wedge block abuts on the vertical engagement surface 31 to achieve the effect of line-plane contact and abutment, whereby the wedge block is placed at a specific position on the vertical engagement surface 31 when designing. It is not necessary to limit the contact with the wedge block, and the upper edge of the wedge block may be firmly contacted with a certain region of the vertical engagement surface 31 to offset the dimensional error of the cartridge body 20 or the mounting portion 30. be able to. Further, connecting the bumps in contact with each other so as to make contact with each other has a relatively low requirement for the position of the bump 122, and therefore, the error in which the bump 122 and the vertical engaging surface 31 are engaged can be reduced. It can be engaged more conveniently and there is no need to significantly search for an engaging position.

In another embodiment of the present invention, as shown in FIG. 6, the bump 122A has the vertical engagement surface 31 parallel to the vertical engagement surface 31 when the cartridge is attached to the attachment portion 30. A contact surface 1221A capable of contacting the surface can be further provided, whereby the effect of surface-surface contact and contact is achieved. The method of surface-to-surface contact and contact can increase the frictional force between the two, and can ensure the robustness of the connection between the two.

In another embodiment of the present invention, as shown in FIGS. 7 and 8, the contact surface 1221A of the bump 122A has a plurality of leaning portions that are installed at intervals and project, and each leaning portion has a plurality of leaning portions. It is capable of contacting the vertical engagement surface 31, thereby providing a plurality of contact points and firmly fixing the cartridge to the mounting portion 30.

As shown in FIG. 7, specifically, in the embodiment of the present invention, the leaning portion may be a plurality of convex bars 1222A which are installed at intervals and project, preferably a plurality of convex bars. Installed in parallel. The plurality of convex bars may be linear, and the plurality of linear convex bars are arranged in parallel with the contact surface 1221A at intervals. Of course, it should be understood by those skilled in the art that a plurality of convex bars may be curved, for example, the convex bars may be a ring, an elliptical ring, an arc, etc., which may be on the contact surface 1221A. It is provided concentrically.

As shown in FIG. 8, specifically, in the embodiment of the present invention, the leaning portion may be a plurality of convex points 1222B protruding at intervals, of which the convex points 1222B are randomly spaced. They may be installed at intervals, preferably the convex points 1222B are installed in a matrix. For those skilled in the art, the convex points can be combined as other patterns, such as rings arranged concentrically or straight bars placed in parallel. Further, in the present invention, the convex bar 1222A and the convex point 1222B can be arranged in a mixed manner. The height at which the convex bar 1222A protrudes and the height at which the convex point 1222B protrudes need to be the same, and the specific installation method is not limited. By installing a plurality of projecting leaning portions, the plurality of leaning portions and the vertical side engaging surface 31 are in contact with each other, and the leaning portion and the vertical side engaging surface 31 are in line / surface contact, a point / surface. Contact can be made by a method of contact or a combination of point / surface contact and line / surface contact.

As shown in FIG. 4, the connecting portion 11 includes a piece-shaped connecting plate 111 and an engaging portion located on the connecting plate 111, and the engaging portion is removably connected to the cartridge body 20 and is connected to the connecting plate. The 111 is integrally formed with the abutting plate 121, and the abutting plate 121 extends upward in an inclined manner along one end of the connecting plate 111. The elastic connecting member 10 is detachably fixed to the cartridge body 20 by the connecting component, and it is easy to replace even if it is damaged.

Specifically, the engaging portion is at least one row of connecting blocks 112, the cartridge body 20 includes at least one row of corresponding recessed grooves 21, and the connecting blocks 112 are detachably fastened to the recessed grooves 21. The elastic connection member 10 is fixed to the cartridge body 20 by tightening and connecting the connection block 112 of the engaging portion and the concave groove 21 of the cartridge body 20. This connection method is simple to configure and easy to operate.

As shown in FIGS. 12 and 13, the cartridge body 20 includes at least two projecting columns 21C. The engaging portion has at least two positioning holes 112C that are installed in the connecting plate 111 and can be engaged with the protruding column 21C. In the connecting member and the cartridge main body 20, the elastic connecting member 10 can move in the length direction of the protruding column 21C and cannot rotate in the radial direction of the protruding column 21C because the protruding column 21C and the positioning hole 112C are locked. , Convenient to put on and take off. Of course, it should be understood by those skilled in the art that after the two projecting columns 21C have penetrated the two positioning holes 112C of the elastic connecting member 10, the elastic connecting member 10 can move in the axial direction of the projecting column 21C and project. Cannot rotate around pillar 21C. When attached to the attachment portion 30 along the axial direction of the projecting column 21C, the abutting portion 12 receives an elastic force action along the axial direction of the projecting column 21C to engage the elastic connecting member 10 with the vertical engaging surface 31. It is firmly locked between the cartridge body 20 and the cartridge body 20, thereby fixing the elastic connecting member 10 to the cartridge body 20. When removing the cartridge, it is not necessary to fix the elastic connecting member 10 and the cartridge main body 20, so that the cartridge main body 20 and the elastic connecting member 10 can be separated, which is convenient for sorting, storing and exchanging.

As shown in FIG. 5, in one embodiment of the present invention, the elastic connecting member 10 further includes a pressing portion 13 extending upward integrally along the contact portion 12, and specifically, the pressing portion 13. The end of 13 is substantially perpendicular to the contact plate 121, making it easy for the user to hold. Further, when it is necessary to remove the cartridge, the contact portion 12 is offset in a direction close to the cartridge main body 20 by simply applying an acting force to the pressing portion 13, and the bump 122 in the contact plate 121 is engaged on the vertical side. It is separated from the surface 31 so that the cartridge can be easily taken out, thereby realizing quick attachment / detachment to / from the cartridge.

The cartridge according to the present invention is assembled to the mounting portion 30 by the following method. When mounting the cartridge, an acting force is applied to offset the contact portion 12 toward the cartridge body 20, and when the cartridge is placed on the mounting portion 30 and the applied acting force is released, the contact portion 12 is released. It is restored by its own elastic action, and the abutting portion 12 is firmly abutted against the vertical engaging surface 31 via the elastic acting force, thereby fixing the cartridge to the mounting portion 30. When the cartridge is removed from the mounting portion 30, the contact portion 12 is offset in a direction close to the cartridge body 20 by simply applying an acting force to the pressing portion 13, and the bump 122 on the contact plate 121 is placed on the vertical engaging surface. Separated from 31, thereby removing the cartridge and completing the removal process, simple and easy to operate.

The technical features of the above embodiments can be arbitrarily combined. For the sake of brevity, all combinations of technical features in the above examples are not described, but as long as there is no contradiction, these combinations of technical features are within the scope of the specification of the present invention. It shall be included.

The above examples only show some embodiments of the present invention, the description of which is detailed, but should not be understood as limiting the scope of the invention. For those skilled in the art, some modifications and improvements can be made on the premise that they do not deviate from the gist of the present invention, all of which belong to the scope of the present invention. Therefore, the scope of protection of the present invention should be defined by the appended claims.

Claims (11)

A cartridge that is removable and mountable on a printing device that has a mount with a vertical engagement surface.
The cartridge includes a cartridge body and an elastic connecting member connected to the cartridge body, the elastic connecting member includes an elastic contact portion, and the contact portion is offset in a direction close to the cartridge body. A cartridge that is capable and can come into contact with the vertical engaging surface. The first aspect of the present invention, wherein the abutting portion includes a flake-shaped abutting plate and a bump provided on the abutting plate, and the bump can abut on the vertical engaging surface. cartridge. The second aspect of the present invention is characterized in that the abutting portion is provided with a through hole penetrating the abutting plate, and the abutting plate has at least one bump located on the peripheral side of the through hole. The listed cartridge. The cartridge according to claim 3, wherein the bump is a wedge block whose upper edge can be brought into contact with the vertical engaging surface. The bump comprises a contact surface parallel to the vertical engagement surface when the cartridge is attached to the mounting portion, and the contact surface is capable of contacting the vertical engagement surface. The cartridge according to claim 3. The bump is provided with a contact surface which is installed at a distance and has a plurality of leaning portions protruding, and each of the leaning portions can be brought into contact with the vertical engaging surface. The cartridge according to claim 3. The cartridge according to claim 6, wherein the leaning portion is a convex bar and / or a convex point. The elastic connecting member includes a connecting portion including a flake-shaped connecting plate and an engaging portion located on the connecting plate, the engaging portion is removably connected to the cartridge body, and the connecting plate is the same. The cartridge according to any one of claims 2 to 7, wherein the contact plate is integrally molded with the contact plate and the contact plate extends upward in an inclined manner along one end of the connection plate. The cartridge body comprises at least one row of recesses, the engaging portion is at least one row of connecting blocks corresponding to the recesses, and the connecting blocks are removably engaged with the recesses. The cartridge according to claim 8. 8. The cartridge body comprises at least two projecting columns, the engaging portion is at least two positioning holes, and each of the projecting columns is inserted into one of the positioning holes. Cartridge described in. The cartridge according to any one of claims 1 to 7, wherein the elastic connecting member further includes a pressing portion extending upward integrally along the abutting portion.

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