CN219338992U

CN219338992U - Ink box

Info

Publication number: CN219338992U
Application number: CN202320489754.2U
Authority: CN
Inventors: 夏敬章
Original assignee: Zhuhai Ninestar Management Co Ltd
Current assignee: Zhuhai Ninestar Management Co Ltd
Priority date: 2023-03-14
Filing date: 2023-03-14
Publication date: 2023-07-14
Anticipated expiration: 2033-03-14

Abstract

The utility model discloses an ink box, which comprises an ink storage part and an adapter detachably arranged on the ink storage part, wherein one end of a guide-out part far away from an ink bag is provided with a jogging part matched with the adapter, the end part of the adapter in the plumb direction is concavely provided with a positioning groove, the jogging part is positioned in the positioning groove, a joint structure of the ink box comprises a clamping part concavely arranged on one side of the positioning groove opposite to the plumb direction and a clamping component acting on the clamping part, the clamping component is positioned on the guide-out part, the clamping component is used for limiting the relative movement of the ink storage part and the adapter in the plumb direction, the joint structure also comprises a limiting component for limiting the relative movement of the ink storage part and the adapter in the ink box installation direction perpendicular to the plumb direction, and the limiting component is positioned on the guide-out part or the main body. The adapter in the ink box does not contain a spring plate structure serving as a clamping piece, so that the durability of the ink box can be effectively improved, and the clamping connection mode of the adapter and the ink storage piece is easier to assemble and disassemble than the prior scheme.

Description

Ink box

Technical Field

The utility model relates to the technical field of printing consumables, in particular to an ink box.

Background

The existing ink bag type ink box product can be roughly divided into two parts of an ink bag for storing ink and a connecting part in structure, wherein the two parts are manufactured separately and assembled into a whole in a buckling mode to be used as a finished product consumable. The main body part of the connecting part adopts a hard resin material and comprises a chip, so that the manufacturing cost is high and the recycling value is high.

The current consumable industry has put forward some quick detach designs that are convenient for split and reorganize to above-mentioned two parts to ink bag class ink horn, and this kind of design scheme is with adapting unit as multiplexing adapter, but the adapter still takes bellied shell fragment to act as the buckle spare along taking, and this kind of buckle spare is usually low in structural strength, and the durability is poor, and easy fracture damage takes place after the dismouting many times, and then influences the holistic multiplexing performance of adapter.

Disclosure of Invention

According to one aspect of the present utility model, there is provided an ink cartridge comprising an ink storage member and an adapter detachably provided to the ink storage member, the ink storage member comprising an ink bag for storing ink, an end of the ink bag being provided with a lead-out member, one end of the lead-out member remote from the ink bag being provided with a fitting portion fitted to the adapter, a lead-out passage communicating with an inner cavity of the ink bag being provided in the lead-out member, the lead-out passage being provided with a lead-out port provided at one end of the fitting portion remote from the ink bag, the adapter comprising a main body portion provided with a chip at one end remote from the ink bag, an end of the main body portion in a plumb direction being recessed with a positioning groove, the fitting portion being located in the positioning groove, the ink cartridge further comprising a joint structure connecting the ink storage member and the adapter,

the joint structure comprises a clamping part which is concavely arranged at one side of the positioning groove in the plumb direction and a clamping component which acts on the clamping part, wherein the clamping component is positioned on the guiding-out part, the clamping component is used for limiting the relative movement of the ink storage part and the adapter in the plumb direction, the joint structure also comprises a limiting component which is used for limiting the relative movement of the ink storage part and the adapter in the ink box installation direction perpendicular to the plumb direction, and the limiting component is positioned on the guiding-out part or the main body part.

In some embodiments, the restraining member includes a fixed end connected to the lead-out part or body portion and a movable end capable of elastic deformation.

In some embodiments, the fitting portion includes a tubular member and a plate-like member on a side wall of the tubular member, the lead-out passage is located partially within the tubular member, the lead-out port is located at an end of the tubular member, the plate-like member intersects the plumb direction and is parallel to the ink cartridge mounting direction, and the fitting portion further includes a support rib having an upper edge fitted and connected to the plate-like member and a lower edge flush with a lower surface of the main body.

In some embodiments, the positioning groove comprises a limiting member at least partially abutting against one side of the tubular member in the reverse plumb direction, a positioning protrusion is arranged on the side wall of the tubular member, in the ink box installation direction, the positioning protrusion abuts against the limiting member and is located on the front end side of the limiting member, the clamping member is a release preventing pin arranged on the end face of the positioning protrusion in the reverse ink box installation direction, and the clamping portion is a slot which is arranged on the end face of the limiting member in the ink box installation direction and is matched with the release preventing pin.

In some embodiments, the limiting member is a non-return spring plate disposed on the main body, a fixed end of the non-return spring plate is connected with an inner wall of the positioning groove, a movable end of the non-return spring plate abuts against one side of the plate-shaped member or the non-return ink box mounting direction of the supporting rib plate, the movable end of the non-return spring plate can displace in the ink box mounting direction, a limiting baffle is disposed on a side wall of the positioning groove, the limiting baffle is located below the plate-shaped member in a plumb direction, and one side of the limiting baffle, facing away from the ink storage member, abuts against one side of the supporting rib plate in the non-return ink box mounting direction.

In some embodiments, the side of the support rib remote from the tubular member is provided with an abutment rib that engages with the limit stop.

In some embodiments, the upper end of the abutment rib or the support rib is provided with an anti-drop protrusion that abuts against the upper edge of the limit stop plate on one side opposite to the ink cartridge mounting direction.

In some embodiments, the limiting member includes two insertion pieces disposed on the side wall of the tubular member in the ink cartridge mounting direction, two insertion holes configured to be engaged with the insertion pieces are provided in the main body, the insertion holes are through holes penetrating through the positioning groove and the upper surface of the main body, the insertion pieces have a penetrating portion penetrating out through the insertion holes, the positioning member is a side protrusion protruding from the penetrating portion, and the engaging portion is disposed on the upper surface of the main body and around the insertion holes.

In some embodiments, the engaging portion is a countersink portion disposed around the receptacle, and the side projection is at least partially disposed within the countersink portion.

In some embodiments, the side protrusions are disposed on opposite sides or facing sides of the two through-out portions.

In some embodiments, the detent top wall provides an internal projection against the tubular member between the two receptacles.

In some embodiments, the side projection is provided with a first guiding inclined surface on one side of the plumb direction, and the insertion hole is provided with a second guiding inclined surface matched with the first guiding inclined surface on the edge of the plumb direction.

The utility model has the beneficial effects that: the adapter in the ink box does not contain a spring plate structure serving as a clamping piece, so that the durability of the ink box can be effectively improved, and the clamping connection mode of the adapter and the ink storage piece is easier to assemble and disassemble than the prior scheme.

Drawings

Fig. 1 is a structural view of a mounting portion corresponding to an embodiment of an ink cartridge of the present utility model.

Fig. 2 is a diagram showing a structure of an ink cartridge according to an embodiment of the present utility model in a separated state from a tray.

Fig. 3 is a partial construction view of a first embodiment of the ink cartridge of the present utility model.

Fig. 4 is a diagram showing a configuration of the fitting of the lead-out member and the adapter in the first embodiment of the ink cartridge according to the present utility model.

Fig. 5 is a first view of the adapter according to the first embodiment of the ink cartridge of the present utility model.

Fig. 6 is a second view of the adapter according to the first embodiment of the ink cartridge of the present utility model.

Fig. 7 is a structural view of a lead-out member in the first embodiment of the ink cartridge of the present utility model.

FIG. 8 is a schematic diagram showing the engagement of the adapter with the ink reservoir in accordance with one embodiment of the ink cartridge of the present utility model.

Fig. 9 is a structural view of a second embodiment of the ink cartridge of the present utility model.

Fig. 10 is a first view of the adapter of the second embodiment of the ink cartridge of the present utility model.

FIG. 11 is a second view of the adapter of the second embodiment of the ink cartridge of the present utility model.

Fig. 12 is a structural view of a lead-out member in the second embodiment of the ink cartridge of the present utility model.

FIG. 13 is a schematic diagram showing the coupling structure of the adapter and the ink container according to the second embodiment of the ink cartridge of the present utility model.

Fig. 14 is a partially enlarged schematic view of fig. 13 a.

Detailed Description

The present utility model will now be described in further detail with reference to the accompanying drawings, wherein the embodiments described are some, but not all embodiments of the utility model. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

It should be noted that the terms "first," "second," and the like are used for descriptive purposes only and are not to be construed as indicating or implying a relative importance or implying a number of technical features being indicated. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include at least one such feature. In the description of the present utility model, the meaning of "plurality" means at least two, for example, two, three, etc., unless specifically defined otherwise.

In the present utility model, unless explicitly specified and limited otherwise, the terms "mounted," "connected," "secured," and the like are to be construed broadly and include, for example, either fixedly attached, detachably attached, or integrally formed; may be a mechanical connection; either directly or indirectly, through intermediaries, or both, may be in communication with each other or in interaction with each other, unless expressly defined otherwise. The specific meaning of the above terms in the present utility model can be understood by those of ordinary skill in the art according to the specific circumstances.

In the present utility model, unless expressly stated or limited otherwise, a first feature "up" or "down" a second feature may be the first and second features in direct contact, or the first and second features in indirect contact via an intervening medium. Moreover, a first feature being "above," "over" and "on" a second feature may be a first feature being directly above or obliquely above the second feature, or simply indicating that the first feature is level higher than the second feature. The first feature being "under", "below" and "beneath" the second feature may be the first feature being directly under or obliquely below the second feature, or simply indicating that the first feature is less level than the second feature.

In the above description, descriptions of the terms "one embodiment," "some embodiments," "examples," "specific examples," or "some examples," etc., mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the utility model. In this specification, schematic representations of the above terms are not necessarily directed to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples. Furthermore, the different embodiments or examples described in this specification and the features of the different embodiments or examples may be combined and combined by those skilled in the art without contradiction.

The present embodiment provides an ink cartridge detachably mounted to a mounting portion 50 of a printer. The ink cartridge is mounted to the mounting portion 50 in a linear cartridge mounting direction, and the ink cartridge may be an ink bag type ink cartridge. The +y axis direction in fig. 1 and 2 is the ink cartridge mounting direction.

The printer further includes a tray 20, and when the ink cartridge is placed on the tray 20, a combination is formed, which is mounted to the mounting portion 50 in the ink cartridge mounting direction.

As shown in fig. 1, the mounting portion 50 includes a frame, a device-side terminal portion 52, two positioning portions 53, an ink supply needle 51, and a locking portion 54. The device-side terminal portion 52 includes a stylus holder 52t, and a stylus provided on the stylus holder 52t is used to abut against the chip 31 of the ink cartridge.

As shown in fig. 2, the tray 20 has a substantially rectangular parallelepiped shape with an opening, and the tray 20 has a first face 20a, a second face 20b, a receiving bottom face 20c, an opening 20d, a first side face 20e, and a second side face 20f. Three coordinate axes of an X axis, a Y axis and a Z axis are mutually perpendicular. The direction in which the opening 20d is directed to the accommodation bottom surface 20c is +z-axis direction, which is also vertical direction, and-Z-axis direction is inverse plumb direction. The direction in which the second surface 20b is directed to the first surface 20a is +y-axis direction, which is also the ink cartridge mounting direction in which the combination of the ink cartridge and the tray 20 is mounted on the mounting portion 50, -Y-axis direction is the direction in which the combination of the ink cartridge and the tray 20 is removed from the mounting portion 50, -Y-axis direction is the reverse ink cartridge mounting direction. The direction in which the second side surface 20f points toward the first side surface 20e is the +x axis direction. The first surface 20a is a surface on the front end side in the ink cartridge mounting direction. The coordinate system of the mounting portion 50 coincides with the coordinate system of the tray 20 in a state where the tray 20 is mounted on the mounting portion 50.

The tray 20 further has a receiving cavity 210, a fixing structure 22, and tray positioning portions 21, where the receiving cavity 210 is used to receive the ink cartridge, and two tray positioning portions 21 are disposed on the first surface 20a, and the tray positioning portions 21 may be holes; the fixed structure 22 may be a card slot structure having a serpentine channel formed therein, with the access opening of the card slot structure being provided on the first face 20a, and the locking portion 54 entering from the access opening and moving along the serpentine channel to the locking position. When the tray 20 is mounted on the mounting portion 50, the tray positioning portion 21 is coupled with the positioning portion 53 to position the tray 20 at a substantially position in a direction perpendicular to the mounting direction, and the fixing structure is coupled with the locking portion 54 to prevent the tray 20 from being separated from the mounting portion 50.

The width direction of the ink cartridge may be the extending direction of the X axis, the height direction of the ink cartridge may be the extending direction of the Z axis, and the length direction of the ink cartridge may be the extending direction of the Y axis. The ink cartridge is "front" in the +y-axis direction (ink cartridge mounting direction), the ink cartridge is "rear" in the-Y-axis direction, the ink cartridge is "lower" in the +z-axis direction (plumb direction), and the ink cartridge is "upper" in the-Z-axis direction.

As shown in fig. 2 to 8, the ink cartridge of the present embodiment includes an ink tank 40 and an adapter 30 detachably provided on the ink tank 40, and further includes an engagement structure for connecting the ink tank 40 and the adapter 30.

As shown in fig. 2, 4, 7 and 8, the ink container 40 includes an ink bag 41 for storing ink and a guide member 42 provided at an end of the ink bag 41, specifically, the guide member 42 is provided at one end of the ink bag 41 in the +y axis direction, the guide member 42 is provided at an end away from the ink bag 41 (+y axis direction end) at a fitting portion where the adapter 30 is fitted, a guide passage 421 communicating with an inner cavity of the ink bag 41 is provided in the guide member 42, the guide passage 421 has a guide port 422 provided at an end of the fitting portion away from the ink bag 41 (+y axis direction end), and when the ink cartridge is mounted on the mounting portion 50, the guide port 422 communicates with the ink supply needle 51 to supply ink in the ink bag 41 to the printer. Specifically, the fitting portion includes a tubular member 423 and a plate-like member 424 provided on a side wall of the tubular member 423, the tubular member 423 extends in the Y-axis direction, the lead-out passage 421 is partially located in the tubular member 423, and the lead-out port 422 is located at an end of the tubular member 423 in the +y-axis direction. The plate-like member 424 intersects the plumb direction and is parallel to the ink cartridge mounting direction, and specifically, the plate-like member 424 in this embodiment is connected to both side walls of the tubular member 423 in the X-axis direction, respectively, and extends in a plane defined by the X-axis and the Y-axis.

As shown in fig. 2 to 6 and 8, the adapter 30 includes a main body portion provided with a chip 31 at an end remote from the ink bag 41 (i.e., an end in the +y axis direction), and the chip 31 is in contact with and electrically connected to the device-side terminal portion 52 when the ink cartridge is mounted on the mounting portion 50. The main body portion is provided with a positioning groove 32 recessed at an end portion in the plumb direction, and specifically, the main body portion is recessed upward (recessed in the-Z axis direction) on a lower surface in the +z axis direction to form the positioning groove 32, and when the adapter 30 is connected to the ink reservoir 40, the fitting portion on the lead-out member 42 is located in the positioning groove 32. And a limiting member 33 is further arranged in the positioning groove 32, and the limiting member 33 at least partially abuts against the side wall of the tubular member 423 in the reverse plumb direction (-Z axis direction). The limiting member 33 may be a stepped portion formed in the positioning groove 32, and a surface of the limiting member 33 facing the plumb direction may be an arc surface adapted to a surface of the tubular member 423 facing the inverse plumb direction.

As shown in fig. 4 to 8, the engagement structure is for connecting the ink reservoir 40 and the adapter 30, and includes the engaging portion 34 concavely provided on the opposite side (i.e., the-Z axis direction side) of the positioning groove 32 to the plumb direction, and the engaging member 426 provided on the lead-out member 42 to be engaged with the engaging portion 34. The side wall of the tubular member 423 is provided with a positioning protrusion 425, and the positioning protrusion 425 is specifically provided on the side wall of the tubular member 423 in the reverse plumb direction (-Z axis direction). In the ink cartridge mounting direction, the positioning projection 425 abuts against the stopper member 33 and is located on the front end side (+y axis side) of the stopper member 33. The locking member 426 is a retaining pin 426a provided on an end surface of the positioning projection 425 in the reverse ink cartridge mounting direction (-Y axis direction), the engagement portion 34 is a slot 34a provided on an end surface of the stopper member 33 in the ink cartridge mounting direction (+y axis direction), or an insertion hole penetrating the stopper member 33 in the Y direction, the retaining pin 426a and the slot 34a have a shape compatible with each other, and when the ink container 40 is connected to the adapter 30, the retaining pin 426a is inserted into the slot 34a, thereby restricting the relative displacement of the ink container 40 and the adapter 30 in the plumb direction.

In some other embodiments, a slot 34a may be provided on the positioning protrusion 425, and a release preventing pin 426a that mates with the slot 34a may be provided on the limiting member 33.

Further, as shown in fig. 4 and 7, the fitting portion further includes a support rib 427, and an upper edge (edge in the-Z axis direction) of the support rib 427 is attached to the plate-like member 424 and connected to an end of the plate-like member 424 remote from the tubular member 423. The support rib 427 extends substantially in a plane defined by the Y axis and the Z axis, and in a state where the connection of the adapter 30 to the ink reservoir 40 is completed, the lower edge (edge in the +z axis direction) of the support rib 427 is flush with the lower surface of the adapter 30, and the provision of the support rib 427 can serve as a stopper and support for the fitting portion in the ink cartridge mounted state.

As shown in fig. 4 to 8, the engagement structure further includes a restricting member 35 that restricts relative movement of the ink tank 40 and the adapter 30 in the cartridge mounting direction, and the restricting member 35 may be located on the lead-out part 42 or on the main body portion. The regulating member includes a fixed end 351 connected to the guide member 42 or the main body portion, and a movable end 352 capable of being elastically deformed, and the elastic regulating member 35 is provided to effectively regulate the relative movement of the ink container 40 and the adapter 30 in the ink cartridge mounting direction. Specifically, the restricting member 35 of the present embodiment is a non-return spring 35a provided on the main body, the non-return spring 35a is elongated, one end in the longitudinal direction is a fixed end 351, the other end is a movable end 352, the fixed end 351 of the non-return spring 35a is connected to the inner wall of the positioning groove 32, the movable end 352 of the non-return spring 35a extends downward and backward to a position capable of abutting against the plate-like member 424 or the supporting rib 427 of the fitting portion on one side in the non-return ink cartridge mounting direction, the extending direction of the non-return spring 35a is inclined compared with the plumb direction in a state in which the non-return spring 35a is not subjected to an external force, and the movable end 352 is located on the-Y, +z axis side of the fixed end 351, and the movable end 352 is displaceable in the Y axis direction when the non-return spring 35a is subjected to an external force.

Further, as shown in fig. 4 and 5, a limit baffle 36 is further provided on the side wall of the positioning groove 32, the limit baffle 36 is located below the plate-like member 424 in the plumb direction (+z-axis direction), the limit baffle 36 extends substantially in the plane defined by the Z-axis and the X-axis, the limit baffle 36 is located on both sides of the side wall of the positioning groove 32 in the X-axis direction, and one side (+y-axis direction side) of the limit baffle 36 facing away from the ink container 40 abuts against one side of the support rib 427 in the reverse ink cartridge mounting direction (-Y-axis direction). The support rib 427 is provided on a side away from the tubular member 423 with an abutment rib 428 to which the stopper 36 abuts. An anti-drop protrusion 428a that abuts against the upper edge (-the edge in the Z-axis direction) of the stopper 36 is provided on one side of the upper end (-the Z-axis direction end) of the abutment rib 428 or the support rib 427 in the reverse ink cartridge mounting direction.

As shown in fig. 2 to 8, when the adapter 30 is connected to the ink container 40, the fitting portion of the guide member 42 of the ink container 40 is aligned with the positioning groove 32, and then the ink container 40 is moved by the force in the reverse plumb direction (-Z axis direction), so that one side of the plate member 424 in the reverse cartridge mounting direction is pressed against the reverse spring plate 35a, at this time, the reverse spring plate 35a is compressed and deformed, the movable end 352 of the reverse spring plate 35a is moved in the cartridge mounting direction (+y axis direction), when the tubular member of the ink container 40 abuts against the stopper member 33, the stopper member 426 is positioned on the front side (+y axis side) of the engaging portion 34, and after the force of the user mounting is removed, the reverse spring plate 35a is elastically deformed and restored, the plate member 424 is applied with the force in the reverse cartridge mounting direction, so that the ink container 40 is moved in the reverse cartridge mounting direction (-Y axis direction) relative to the adapter 30, at this time, the stopper member 426 is inserted into the engaging portion 34 in the reverse cartridge mounting direction, the movement of the adapter 30 relative to the ink container 40 in the plumb direction is restricted, the stopper member 428 is moved in the reverse direction relative to the reverse cartridge mounting direction, and the stopper member 428 is moved in the reverse direction relative to the stopper member 40 in the reverse direction, and the reverse direction is restricted by the stopper member is moved in the reverse direction relative to the reverse direction, and the stopper member is restricted by the stopper member is moved in the reverse direction, and the stopper member is moved in the direction relative to the direction.

The engaging portion 34 of the present embodiment is a structure (slot 34a or insertion hole) recessed or penetrating the adapter 30, and the engaging assembly between the ink storage member 40 and the adapter 30 does not depend on the elastic deformation of the engaging portion 34, thereby helping to improve the durability of the adapter 30.

After the adapter 30 and the ink storage member 40 are connected, the assembly is assembled in the tray 20, and then the assembly is jointly assembled in the mounting portion 50, and when the assembly is implemented, the handle member 43 is further arranged on the ink bag 41, so that the ink cartridge can be conveniently loaded and unloaded.

When the ink in the ink bag 41 of the ink storage member 40 is exhausted, the ink storage member 40 can be forced to move relative to the adapter 30 along the ink cartridge installation direction (+y axis direction), so that the clamping member 426 is separated from the clamping portion 34, then the ink storage member 40 is forced to be lifted along the +z axis direction, the ink storage member 40 and the adapter 30 can be separated, and then a new ink storage member 40 and the adapter 30 are connected to form the ink cartridge in the manner described above, so that the reuse of the adapter 30 is realized.

Example two

As shown in fig. 9, this embodiment provides another ink cartridge, which is different from the first embodiment in that: the engagement structure is different.

As shown in fig. 9 to 13, in the present embodiment, the restriction member includes two insertion pieces 429 which are oppositely provided on the side wall of the tubular member 423 in the cartridge mounting direction, the two insertion pieces 429 are substantially rectangular sheet-like, the two insertion pieces 429 extend substantially in the plane defined by the Z axis and the X axis, the two insertion pieces 429 are oppositely provided in the Y axis direction with a certain interval, the fixed ends 4291 of the two insertion pieces 429 are connected to the side wall of the tubular member 423 in the reverse plumb direction (-Z axis direction), the insertion pieces 429 have a certain elasticity, and the movable ends 4292 thereof can be displaced in the cartridge mounting direction (+y axis direction) when the insertion pieces 429 are deformed.

As shown in fig. 9 to 13, the main body of the adapter 30 is provided with two insertion holes 37 which are engaged with the insertion pieces 429, the two insertion holes 37 are arranged at intervals in the ink cartridge mounting direction, the insertion holes 37 are through holes which penetrate through the positioning grooves 32 and the upper surface of the main body, the insertion pieces 429 are provided with penetrating parts which penetrate through the insertion holes 37, and the positioning members are side protrusions 429b which are arranged on the penetrating parts in a protruding manner. The side projections 429b are provided on opposite sides of the exit portions of the two tabs 429.

As shown in fig. 9 to 13, the engaging portion 34 is provided on the upper surface of the main body portion and is located around the insertion hole 37. The engaging portion 34 is a recessed portion 34b provided around the insertion hole 37, and when the ink container 40 is connected to the adapter 30, the side projection 429b is at least partially positioned in the recessed portion 34b and abuts against the surface of the recessed portion 34 b.

Further, as shown in fig. 13 and 14, a first guiding inclined plane 429c is provided on one side of the side projection 429b in the reverse plumb direction (-Z axis direction), a second guiding inclined plane 371 matching with the first guiding inclined plane 429c is provided on the edge of the insertion hole 37 in the plumb direction (+z axis direction), during the insertion of the insert sheet 429 into the insertion hole 37, the first guiding inclined plane 429c abuts against the second guiding inclined plane 371, the insert sheet 429 is deformed by the cooperation between the two inclined planes until the side projection 429b completely passes over the edge of the insertion hole 37 to reach the position of the countersink 34b, the insert sheet is deformed and recovered, the side projection 429b is at least partially located in the countersink 34b, and the cooperation of the side projection 429b and the countersink reservoir 40 can limit the relative movement of the adapter 30 and the ink reservoir 40 in the plumb direction. By optimizing the positions and dimensions of the insert pieces 429 and the insertion holes 39, the two insert pieces 429 can be closely attached to the inner wall of the insertion hole 37 on the opposite sides or only have a small gap after deformation recovery, so that the relative movement of the adapter 30 and the ink storage member 40 in the ink cartridge mounting direction can be restricted.

In this embodiment, as shown in fig. 10 and 13, an inner protrusion 38 is provided on the top wall (surface in the-Z axis direction) of the positioning groove 32, the inner protrusion 38 protrudes in the +z axis direction, and the inner protrusion 38 is located between the two insertion holes 37, the inner protrusion 38 being abutted against the side wall of the tubular member 423. The inner protrusions 38 can optimize the position of the side protrusions 429b in the plumb direction, so that the adapter 30 and the ink storage member 40 can be disassembled and assembled with a small deformation range of the limiting member (the inserting piece 429), and the operation is more convenient.

As shown in fig. 9 to 13, when the adapter 30 is connected to the ink storage member 40, the two insertion pieces 429 on the guide member 42 of the ink storage member 40 are aligned with the two insertion holes 37, then the ink storage member 40 is moved by applying force in the reverse plumb direction (-Z axis direction), the side projections 429b abut against the edges of the insertion holes 37 and deform the insertion pieces 429, the deformation of the insertion pieces 429 is recovered after the side projections 429b pass over the edges of the insertion holes 37, the side projections 429b are at least partially positioned in the countersunk portions 34b, and the adapter 30 is connected to the ink storage member 40.

When the ink in the ink bag 41 of the ink storage member 40 is exhausted, the insert 429 can be deformed in a direction away from the sinking groove portion 34b by applying force, the side protrusion 429b is completely separated from the sinking groove portion 34b, then the insert 429 of the ink storage member 40 is pulled out of the jack 37 by applying force, the ink storage member 40 and the adapter 30 can be separated, and then a new ink storage member 40 and the adapter 30 are connected to form an ink box according to the mode, so that the adapter 30 can be reused.

In some other embodiments, the side protrusions 429b may be disposed on opposite sides of the two protruding portions, and the countersink portion 34b is disposed on a side of the receptacle 37 adjacent to the inner protrusion 38.

Other structures of the ink cartridge of the present embodiment are the same as those of the first embodiment, and will not be described here again.

What has been described above is merely some embodiments of the present utility model. It will be apparent to those skilled in the art that various modifications and improvements can be made without departing from the spirit of the utility model.

Claims

1. An ink box comprises an ink storage piece and an adapter detachably arranged on the ink storage piece, wherein the ink storage piece comprises an ink bag for storing ink, a guide-out part is arranged at the end part of the ink bag, one end of the guide-out part, which is far away from the ink bag, is provided with a jogged part matched with the adapter, a guide-out channel communicated with the inner cavity of the ink bag is arranged in the guide-out part, the guide-out channel is provided with a guide-out port arranged at one end, which is far away from the ink bag, of the jogged part, the adapter comprises a main body part, a chip is arranged at one end, which is far away from the ink bag, a positioning groove is concavely arranged at the end part of the main body part in the plumb direction, the jogged part is positioned in the positioning groove, and the ink box also comprises a joint structure for connecting the ink storage piece and the adapter,

2. The ink cartridge as in claim 1, wherein the restricting member includes a fixed end connected to the lead-out part or the main body portion and a movable end capable of being elastically deformed.

3. The ink cartridge as in claim 2, wherein the fitting portion comprises a tubular member and a plate-like member on a side wall of the tubular member, the lead-out passage is located partially in the tubular member, the lead-out port is located at an end of the tubular member, the plate-like member intersects the plumb direction and is parallel to the ink cartridge mounting direction, and the fitting portion further comprises a support rib having an upper edge fitted and connected to the plate-like member and a lower edge flush with a lower surface of the main body.

4. The ink cartridge according to claim 3, wherein the positioning groove includes a stopper member at least partially abutting against one side of the tubular member in the reverse plumb direction, a positioning projection is provided on a side wall of the tubular member, the positioning projection abuts against the stopper member in the cartridge mounting direction and is located on a front end side of the stopper member, the click member is a release preventing pin provided on an end face of the positioning projection in the reverse cartridge mounting direction, and the click portion is a slot provided on an end face of the stopper member in the cartridge mounting direction and engaged with the release preventing pin.

5. The ink cartridge according to claim 3, wherein the restricting member is a check spring provided on the main body, a fixed end of the check spring is connected to an inner wall of the positioning groove, a movable end of the check spring is abutted against one side of the plate-like member or the support rib in the reverse ink cartridge mounting direction, the movable end of the check spring is displaceable in the ink cartridge mounting direction, a limit baffle is provided on a side wall of the positioning groove, the limit baffle is located below the plate-like member in the plumb direction, and a side of the limit baffle facing away from the ink storage member is abutted against one side of the support rib in the reverse ink cartridge mounting direction.

6. The ink cartridge as in claim 5, wherein the side of the support rib remote from the tubular member is provided with an abutment rib that engages with the limit stop.

7. The ink cartridge according to claim 6, wherein an upper end of the abutment rib or the support rib is provided with an anti-drop protrusion that abuts against an upper edge of the stopper plate on a side opposite to the ink cartridge mounting direction.

8. The ink cartridge according to claim 3, wherein the restricting member includes two insertion pieces provided on side walls of the tubular member opposite to each other in the cartridge mounting direction, two insertion holes are provided on the main body portion to be engaged with the insertion pieces, the insertion holes are through holes penetrating through the positioning grooves and the upper surface of the main body portion, the insertion pieces have a penetrating portion penetrating out through the insertion holes, the click member is a side projection protruding from the penetrating portion, and the click portion is provided on the upper surface of the main body portion and around the insertion holes.

9. The ink cartridge as in claim 8, wherein the engagement portion is a countersink portion provided around the insertion hole, and the side projection is at least partially located in the countersink portion.

10. The ink cartridge as in claim 9, wherein the side protrusions are provided on opposite sides or opposite sides of the two protruding portions.

11. The ink cartridge as in claim 8, wherein the detent top wall provides an internal protrusion between the two receptacles that abuts the tubular member.

12. The ink cartridge as in claim 8, wherein the side projection is provided with a first guiding slope on a side against the plumb direction, and the insertion hole is provided with a second guiding slope on an edge of the plumb direction, which is matched with the first guiding slope.