CN215620875U

CN215620875U - Clamping piece, ink box and ink-jet printing device

Info

Publication number: CN215620875U
Application number: CN202121122572.9U
Authority: CN
Inventors: 韩继廷
Original assignee: Zhongshan Yiyouzi Printing Technology Co ltd
Current assignee: Zhongshan Yiyouzi Printing Technology Co ltd
Priority date: 2021-05-24
Filing date: 2021-05-24
Publication date: 2022-01-25
Anticipated expiration: 2031-05-24

Abstract

The utility model relates to a clamping piece, an ink box and an ink-jet printing device, wherein a first clamping structure, a chip supporting block and a second clamping structure in the clamping piece are sequentially connected in a vertical direction, and two abutting blocks are respectively connected to two sides of the first end of the chip supporting block in the transverse direction; the distance between two outer side end faces of the two abutting blocks in the transverse direction is larger than the maximum distance between two side faces of the chip supporting block in the transverse direction; and the distance between the end face of the extending end of the abutting block in the longitudinal direction and the first surface is smaller than the distance between the first surface and the second surface. The ink box comprises a box body, an ink outlet, a chip supporting block and a butting block. The utility model can prevent the ink box from being obliquely arranged in the ink-jet printing device, improves the assembly precision of the ink box, reduces the deviation angle of the ink taking needle and the ink outlet, and is convenient for replacing the clamping piece.

Description

Clamping piece, ink box and ink-jet printing device

Technical Field

The utility model relates to the technical field of printing consumables, in particular to a clamping piece, an ink box and an ink-jet printing device.

Background

The ink box is a container for storing ink, is applied to an ink-jet printing device and provides ink for ink-jet printing, and whether the ink box is well matched with the ink-jet printing device or not relates to whether the ink box can be used or not and whether the printing quality is good or not. An ink box of the existing Epson original factory is matched with an ink vehicle in an ink jet printing device through a handle on the ink box. Some compatible manufacturers make evasive designs, bosses are arranged on two sides of the chip, and after the ink box is inserted, the bosses are clamped below the lugs on two sides of the elastic contact on the ink car, so that the ink box can be matched with the ink car. However, the handle is removed in this way, so that the limitation part is lacked, the moving space of the ink box in the ink vehicle is enlarged, the rubber plug at the ink outlet can be overturned due to the installation method and other reasons of partial users, for example, when the ink box is installed obliquely, the ink taking needle is abutted to the edge of the rubber plug, the edge of the rubber plug is thicker than the middle part and has no hole at the edge, the rubber plug is easy to overturn, so that the rubber plug cannot be punctured, and the ink taking needle cannot take ink after the ink box is installed. In addition, the lug on the ink car is easy to wear after long-term adoption of the mode, so that the ink car can not position the ink box with the lug bosses on the two sides of the chip any more, and the lug bosses on the two sides of the chip of the ink box are also worn.

SUMMERY OF THE UTILITY MODEL

In view of the defects of the prior art, a first object of the present invention is to provide a clamping member, which is applied to an ink cartridge, and can prevent the ink cartridge from being loaded into an inkjet printing apparatus in an inclined manner, improve the loading accuracy of the ink cartridge, reduce the deviation angle between an ink pick-up needle and an ink outlet, and the deviation angle between an ink cartridge chip and an elastic contact on the inkjet printing apparatus, and the clamping member can be conveniently mounted and dismounted on a cartridge body of the ink cartridge, and is convenient to replace.

A second object of the present invention is to provide an ink cartridge that can prevent the ink cartridge from being loaded into an inkjet printing apparatus at an inclination, improve the loading accuracy of the ink cartridge, and reduce the deviation angle between an ink-taking needle and an ink outlet, and the deviation angle between an ink cartridge chip and an elastic contact on the inkjet printing apparatus.

A third object of the present invention is to provide an ink jet printing apparatus having the above ink cartridge.

In order to achieve the first purpose of the utility model, the utility model provides a clamping piece which is detachably arranged on a box body of an ink box and comprises a chip supporting block, a first clamping structure, a second clamping structure and an abutting block; the first clamping structure, the chip supporting block and the second clamping structure are sequentially connected in the vertical direction; the number of the abutting blocks is two, and the two abutting blocks are respectively connected to two sides of the first end of the chip supporting block in the transverse direction; the distance between two outer side end faces of the two abutting blocks in the transverse direction is larger than the maximum distance between two side faces of the chip supporting block in the transverse direction; the abutment block extends in a direction from a first surface in the longitudinal direction of the chip support block to a second surface in the longitudinal direction of the chip support block in the longitudinal direction, and a distance between an end face of the abutment block extending in the longitudinal direction and the first surface is smaller than a distance between the first surface and the second surface.

The further technical scheme is that the chip supporting block comprises a first connecting block, a second connecting block, a first side block, a second side block and an ink box chip; the first connecting block is connected with the first clamping structure, the second connecting block is connected with the second clamping structure, the first side block and the second side block are oppositely arranged and are respectively connected between the first connecting block and the second connecting block, and the first connecting block, the second connecting block, the first side block and the second side block enclose a frame body with a hollow middle part; the first side block comprises a first protruding part, the second side block comprises a second protruding part, the first protruding part protrudes along the direction far away from the second side block, the second protruding part protrudes along the direction far away from the first side block, and the first protruding part and the second protruding part are mutually symmetrical; the maximum distance between two lateral surfaces of the chip supporting block in the transverse direction is the distance between the top ends of the first lug bosses and the top ends of the second lug bosses; chip positioning parts are respectively arranged on the first connecting block and the second connecting block at the two ends of the frame body, and the chip positioning parts extend outwards along the direction vertical to the frame body; the upper end and the lower end of the ink box chip are matched with the top end of the chip positioning part.

The further technical scheme is that the first side block and the second side block are respectively integrally formed by plastic; or the first side block and the second side block respectively comprise a first end and a second end, the first end is connected with the first connecting block, and the second end is connected with the second connecting block; a spring plate is connected between the first end and the second end, and forms a first lug boss and a second lug boss; the joint piece still includes the connecting plate, and the connecting plate is connected between first connecting block and second connecting block, has the space between first side piece and the connecting plate and between second side piece and the connecting plate.

To achieve the second object of the present invention, the present invention provides an ink cartridge for detachably mounting in a printing apparatus; the ink box comprises a box body, an ink outlet and a chip supporting block, wherein the ink outlet is connected to a first wall of the box body, and the chip supporting block is directly or indirectly connected to a second wall connected with the first wall; the ink box also comprises two abutting blocks which are respectively connected to two sides of the chip supporting block, which are close to the first end of the first wall, in the transverse direction; the distance between two outer side end faces of the two abutting blocks in the transverse direction is larger than the maximum distance between two side faces of the chip supporting block in the transverse direction; the abutment block extends in a direction from a first surface in the longitudinal direction of the chip support block to a second surface in the longitudinal direction of the chip support block in the longitudinal direction, and a distance between an end face of the abutment block extending in the longitudinal direction and the first surface is smaller than a distance between the first surface and the second surface.

The ink box further comprises a first clamping structure and a second clamping structure, wherein the first clamping structure, the chip supporting block and the second clamping structure are sequentially connected in the vertical direction; the first clamping structure is close to the first wall, and the second clamping structure is far away from the first wall; the first clamping structure and the second clamping structure are respectively clamped with the second wall; the chip supporting block comprises a first connecting block, a second connecting block, a first side block, a second side block and an ink box chip; the first connecting block is connected with the first clamping structure, the second connecting block is connected with the second clamping structure, the first side block and the second side block are oppositely arranged and are respectively connected between the first connecting block and the second connecting block, and the first connecting block, the second connecting block, the first side block and the second side block enclose a frame body with a hollow middle part; the first side block comprises a first protruding part, the second side block comprises a second protruding part, the first protruding part protrudes along the direction far away from the second side block, the second protruding part protrudes along the direction far away from the first side block, and the first protruding part and the second protruding part are mutually symmetrical; the maximum distance between two lateral surfaces of the chip supporting block in the transverse direction is the distance between the top ends of the first lug bosses and the top ends of the second lug bosses; chip positioning parts are respectively arranged on the first connecting block and the second connecting block at the two ends of the frame body, and the chip positioning parts extend outwards along the direction vertical to the frame body; the upper end and the lower end of the ink box chip are matched with the top end of the chip positioning part.

The further technical scheme is that the first side block and the second side block are respectively integrally formed by plastic; or the first side block and the second side block respectively comprise a first end and a second end, an elastic sheet is connected between the first end and the second end, and the elastic sheet forms a first protruding portion and a second protruding portion.

The ink box further comprises a connecting plate, the connecting plate is connected between the first connecting block and the second connecting block, and gaps are formed between the first side block and the connecting plate and between the second side block and the connecting plate.

The technical scheme is that the connecting structure comprises a first clamping structure, a second clamping structure, a first connecting block, a second connecting block, a connecting plate, a first tail end and a second tail end which are integrally formed.

The further technical scheme is that the first clamping structure comprises a bending block connected to the first end of the first connecting block, and the tail end of the bending block is connected with a first clamping block; the second wall is provided with a sunken part which is retracted towards the inner side of the second wall, the tail end of the sunken part is provided with a first bayonet, and the first bayonet extends along the direction far away from the first wall; the bent block is adjacent to the concave part, and the first clamping block is matched with the first bayonet; the second clamping structure comprises an extension block connected to the second end of the second connecting block, a second bayonet is arranged at the tail end of the extension block, a second clamping block is arranged on the second wall, and the second clamping block extends outwards along the surface of the second wall and towards the direction far away from the first wall; the second clamping block is matched with the second bayonet.

In order to achieve the third object of the present invention, the present invention provides an inkjet printing apparatus, including an ink-taking needle, an elastic contact, a positioning member and an ink cartridge, wherein the positioning member is disposed at two sides of the elastic contact, and the positioning member includes a protrusion and an abutting surface extending along a mounting direction of the ink cartridge at one side of the protrusion; the ink box is the ink box of any one of the above schemes; the end surface of the extending tail end of the abutting block is matched with the abutting surface; the ink outlet is matched with the ink taking needle; the ink box chip on the chip supporting block is matched with the elastic contact; or the ink box is the ink box of any scheme containing the convex part characteristic; the positioning piece also comprises a convex block, and the end surface of the extending tail end of the abutting block is matched with the abutting surface; the first bulge and the second bulge are respectively clamped into the lower ends of the lugs; the ink outlet is matched with the ink taking needle; the ink box chip on the chip supporting block is matched with the elastic contact.

Compared with the prior art, the utility model can obtain the following beneficial effects:

the clamping piece, the ink box and the ink-jet printing device can prevent the ink box from being obliquely installed in the ink-jet printing device, improve the installation precision of the ink box, and reduce the deviation angle of the ink taking needle and the ink outlet and the deviation angle of the ink box chip and the elastic contact on the ink-jet printing device. Specifically, the joint piece and the ink box are provided with the abutting blocks at two sides of the tail end of the chip supporting block, and the abutting blocks are abutted and matched with the ink-jet printing device through the position relation of the abutting blocks and the chip supporting block, so that the ink box can be basically installed along the preset installation direction, and meanwhile, the matching of an ink box chip on the chip supporting block and an elastic contact of the ink-jet printing device is not influenced.

Furthermore, the clamping piece adopts a frame body which is arranged in a hollow manner, so that the protruding parts of the two side blocks can elastically deform to a greater extent; the ink box of the utility model adopts the same side block structure, two ends of the side block are directly or indirectly connected to the box body, and the convex part in the middle of the side block can move in an elastic deformation way. When the ink box is inserted into the ink-jet printing device, the bulge part is contacted with the lug on the ink car, the bulge part can slightly retract towards the inner side of the frame body or the side of the other side block, the bulge part is restored to the original shape after passing through the lug and is clamped at the lower end of the lug, so that the ink box is positioned in the ink car, the ink outlet is matched with the ink taking needle, and the chip of the ink box is matched with the elastic contact, so that the ink box can be normally used. Therefore, the utility model can reduce the abrasion of the lug on the ink vehicle and the lug on the ink box. The clamping piece can be conveniently assembled and disassembled on the box body of the ink box, and is convenient to replace.

Drawings

Fig. 1 is a schematic structural view of a first embodiment of the clip member of the present invention.

Fig. 2 is a schematic structural view of a second embodiment of the clip member of the present invention.

FIG. 3 is a schematic view of the structure of an embodiment of the ink cartridge of the present invention.

Fig. 4 is an enlarged schematic view of a circled portion in fig. 3.

FIG. 5 is an exploded view of an embodiment of the ink cartridge of the present invention.

Fig. 6 is a schematic view of a partial structure of an ink cart in an embodiment of the ink jet printing apparatus of the present invention.

The present invention will be described in further detail with reference to the accompanying drawings and specific embodiments.

Detailed Description

As shown in fig. 1, the present embodiment provides a clamping member 100 for being detachably mounted on a cartridge body 200 of an ink cartridge, which includes a chip supporting block 110, a first clamping structure 120, a second clamping structure 130 and an abutting block 140, wherein the first clamping structure 120, the chip supporting block 110 and the second clamping structure 130 are connected in sequence in a vertical direction.

The number of the abutting blocks 140 is two, and the two abutting blocks 140 are respectively connected to both sides of the first end of the chip supporting block 110 in the lateral direction. The distance between the two outer side end faces 141 of the two abutment blocks 140 in the lateral direction is larger than the maximum distance between the two side faces 111 of the chip supporting block 110 in the lateral direction. The abutment block 140 extends in the longitudinal direction in a direction from a first surface in the longitudinal direction of the chip supporting block 110 to a second surface 102 in the longitudinal direction of the chip supporting block 110, and a distance between an extended end face 142 of the abutment block 140 in the longitudinal direction and the first surface is smaller than a distance between the first surface and the second surface 102. The first surface is the back of the chip support block 110 opposite the second surface 102. With the above structure, the abutting block 140 can abut against the positioning structure of the inkjet printing device with the extended end surface 142 at the outer side of the chip supporting block 110 in the transverse direction, so that the ink cartridge can be basically loaded into the inkjet printing device only along the mounting direction, and the chip supporting block 110 is not influenced to extend into the corresponding groove of the inkjet printing device to contact with the contact.

Preferably, the chip support block 110 includes a first connection block 410, a second connection block 420, a first side block 430, a second side block 440, and a chip 450 (shown in dotted lines). The first connecting block 410 and the second connecting block 420 are oppositely arranged, the end of the first connecting block 410 is connected with the first clamping structure 120, and the end of the second connecting block 420 is connected with the second clamping structure 130. The use of the clip 100 on the cartridge body 200 of the ink cartridge has the advantage of easy replacement.

The first side block 430 and the second side block 440 are oppositely arranged and respectively connected between the first connecting block 410 and the second connecting block 420, and the first connecting block 410, the second connecting block 420, the first side block 430 and the second side block 440 enclose a hollow frame body in the middle. First side block 430 includes first protruding portion 431, second side block 440 includes second protruding portion 441, first protruding portion 431 is protruding in a direction away from second side block 440, second protruding portion 441 is protruding in a direction away from first side block 430, and first protruding portion 431 and second protruding portion 441 are symmetrical to each other. Since the ends of the first and

second connection blocks

410 and 420 are respectively engaged with the cartridge 200 through the first and second

engaging structures

120 and 130, the first and

second side blocks

430 and 440 are not directly connected with the cartridge 200, and the first and

second protrusions

431 and 441 on the first and

second side blocks

430 and 440 can be slightly elastically deformed, for example, are elastically deformed to be inwardly retracted, so that the ink cartridge can be easily inserted into the ink vehicle 300 of the inkjet printing apparatus.

The first connecting block 410 and the second connecting block 420 at two ends of the frame are respectively provided with a chip positioning portion 460, the chip positioning portion 460 extends outwards along a direction perpendicular to the frame, the upper end and the lower end of the chip 450 are mounted at the top end of the chip positioning portion 460, so that two sides of the chip 450 cannot be in contact with the inner sides of the first protruding portion 431 and the second protruding portion 441, and the first protruding portion 431 and the second protruding portion 441 can be retracted below two sides of the chip 450 when retracted towards the inner side of the frame. The upper and lower end edges of the chip 450 may be in contact with the first connection block 410 and the second connection block 420.

Preferably, the clip 100 further includes a connection plate 470, the connection plate 470 is connected between the first and

second connection blocks

410 and 420, and there are gaps between the first and

second side blocks

430 and 470 and 440 and the connection plate 470 to allow the first and

second protrusions

431 and 441 to be elastically deformed to be inwardly retracted. The connection plate 470 can improve the connection stability between the first connection block 410 and the second connection block 420.

In this embodiment, the first side block 430 and the second side block 440 are integrally formed by plastic, and the plastic provides an effect of being elastically deformed when a force is applied. The first clamping structure 120, the second clamping structure 130, the first connecting block 410, the second connecting block 420, the first side block 430, the second side block 440 and the connecting plate 470 can be integrally formed by plastic, so that the production and the manufacture are convenient.

In addition, the first side block 430 and the second side block 440 may further have a position-limiting portion 432 at a position away from the corresponding first protruding portion 431 and second protruding portion 441, the position-limiting portion 432 extends outward in a direction perpendicular to the frame, the position-limiting portion 432 may be spaced apart from the side of the chip 450 by a certain distance, or may contact the side of the chip 450, and the first protruding portion 431 and the second protruding portion 441 may be slightly retracted without affecting the deformation of the first protruding portion 431 and the second protruding portion 441, for example, the retraction distance may be limited. In other embodiments of the present invention, the first side block 430 and the second side block 440 may not have a stopper portion.

As shown in fig. 2, the present embodiment provides another card connector 100, the card connector 100 has a structure substantially the same as that of the card connector described in fig. 1, except that the first side block 430 and the second side block 440 further include a first end 433 and a second end 434, respectively, the first end 433 is connected to the first connector block 410, and the second end 434 is connected to the second connector block 420. The first end 433 and the second end 434 are made of plastic, a spring 435 is connected between the first end 433 and the second end 434, the spring 435 may be made of metal and/or plastic, for example, and the spring 435 forms a first protruding portion 431 and a second protruding portion 441, for example, by bending the spring 435 to form corresponding protruding portions, and elastic deformation of the protruding portions is achieved by the spring.

The spring 435 may be placed in a plastic forming mold to form the first end 433 and the second end 434, or further form the first clamping structure 120, the second clamping structure 130, the first connecting block 410, the second connecting block 420, and the connecting plate 470. The elastic pieces 435 may be inserted into the corresponding slots of the first end 433 and the second end 434 after the first end 433 and the second end 434 are formed, or after the first end 433 and the second end 434 are formed together with the first clamping structure 120, the second clamping structure 130, the first connecting block 410, the second connecting block 420 and the connecting plate 470.

As shown in fig. 3 to 4, the present embodiment provides an ink cartridge for being detachably mounted in a printing apparatus, which may have the above-described clip 100 described in fig. 1 or 2. Specifically, the ink cartridge includes a cartridge body 200, an ink outlet 210, a chip supporting block 110, and an abutting block 140. The ink outlet 210 is connected to a first wall of the cartridge body 200, and the chip support block is directly or indirectly connected to a second wall 220 connected to the first wall. The number of the abutting blocks 140 is two, and the two abutting blocks 140 are respectively connected to both sides of the first end of the chip supporting block 110 in the lateral direction. The distance between the two outer side end faces 141 of the two abutment blocks 140 in the lateral direction is larger than the maximum distance between the two side faces 111 of the chip supporting block 110 in the lateral direction. The abutment block 140 extends in the longitudinal direction in a direction from the first surface in the longitudinal direction of the chip supporting block 110 to the second surface 102 in the longitudinal direction of the chip supporting block 110, and a distance between an extended end face 142 of the abutment block 140 in the longitudinal direction and the first surface is smaller than a distance between the first surface L and the second surface 102.

The ink cartridge further comprises a first clamping structure 120 and a second clamping structure 130, wherein the first clamping structure 120, the chip supporting block 110 and the second clamping structure 130 are sequentially connected, the first clamping structure 120 is close to the first wall, and the second clamping structure 130 is far away from the first wall. The first clamping structure 120 and the second clamping structure 130 are clamped with the second wall 220 respectively.

Preferably, the chip supporting block 110 includes a first connection block 410, a second connection block 420, a first side block 430, a second side block 440, and a chip 450. The first connecting block 410 and the second connecting block 420 are oppositely arranged, the end of the first connecting block 410 is connected with the first clamping structure 120, and the end of the second connecting block 420 is connected with the second clamping structure 130. The first side block 430 and the second side block 440 are oppositely arranged and respectively connected between the first connecting block 410 and the second connecting block 420, and the first connecting block 410, the second connecting block 420, the first side block 430 and the second side block 440 enclose a frame body with a hollow middle. First side block 430 includes first protruding portion 431, second side block 440 includes second protruding portion 441, first protruding portion 431 is protruding in a direction away from second side block 440, second protruding portion 441 is protruding in a direction away from first side block 430, and first protruding portion 431 and second protruding portion 441 are symmetrical to each other. The first side block 430 and the second side block 440 are not directly connected to the cartridge body 200, and the first protruding portion 431 of the first side block 430 and the second protruding portion 441 of the second side block 440 are slightly elastically deformable, for example, are elastically deformable to be inwardly retracted, thereby facilitating insertion of the ink cartridge into the carriage 300 of the ink jet printing apparatus.

Preferably, each of the first side block 430 and the second side block 440 is integrally formed of plastic. Alternatively, the first end 433 and the second end 434 are made of plastic, and a spring 435 is connected between the first end 433 and the second end 434, the spring 435 forming a protrusion.

Preferably, the chip support block 110 further includes a connection plate 470, the connection plate 470 being connected between the first connection block 410 and the second connection block 420, and there are gaps between the first side block 430 and the connection plate 470 and between the second side block 430 and the connection plate 470.

Preferably, the first connecting block 410, the second connecting block 420, the connecting plate 470, the first end 433 and the second end 434 are integrally formed, and are simple to manufacture.

Preferably, the first clamping structure 120 includes a bending block 411, and a first clamping block 412 is connected to an end of the bending block 411. The second wall 220 is provided with a recess 221 which is retracted towards the inner side of the second wall 220, the end of the recess 221 is provided with a first bayonet 222, and the first bayonet 222 extends along the direction far away from the first wall. The bent block 411 abuts against the recess 221, and the first latch 412 cooperates with the first latch 222 to realize the clamping between the end of the first connecting block 410 and the second wall 220. The second engaging structure 130 includes a second engaging opening 421, a second engaging block 223 is disposed on the second wall 220, and the second engaging block 223 extends along the surface of the second wall to the outside and to the direction away from the first wall. And the second latch 223 is matched with the second latch 421 to realize the clamping between the end of the second connecting block 420 and the second wall 220. The stable and detachable fit of the clamping member 100 and the box body 200 is realized through two clamping structures.

As shown in fig. 5, the present embodiment provides an inkjet printing apparatus, which includes an ink carriage 300, where the ink carriage 300 includes an ink-taking needle 310, an elastic contact 320, and a positioning member 330. The positioning member 330 is disposed on both sides of the elastic contact 320, the positioning member 330 includes a projection 331 and an abutting surface 332, the projection 331 extends in a direction parallel to the extending direction of the elastic contact 320, and the abutting surface 332 extends in the mounting direction of the ink cartridge on one side of the projection 331. The spring contact 320 may be disposed on one side wall of the ink vehicle, the ink feed pin 310 may be disposed on the floor of the ink vehicle, and the ink vehicle may further include another side wall opposite the spring contact 320. When the ink cartridge in the above-described embodiment is inserted into the ink vehicle 300, the extended end surface 142 of the abutting block 140 and the abutting surface 332 are engaged in abutment with each other so that the first end of the chip supporting block 110 where the abutting block 140 is located does not obliquely protrude to the inside of the abutting surface 332, and the ink cartridge can be mounted substantially only in the mounting direction, for example, the third wall of the ink cartridge opposite to the second wall 220 may be engaged with the other side wall of the ink vehicle opposite to the elastic contact 320 so that the ink cartridge can be mounted only in the direction perpendicular to the floor of the ink vehicle. Moreover, when the ink cartridge is inserted, if the ink cartridge is tilted, the abutting block 140 is blocked at the upper end of the projection 331, so that the ink cartridge cannot be loaded, and the situation that the ink taking needle 310 cannot be matched with the rubber plug of the ink outlet 210 due to the tilted ink cartridge during installation after the ink cartridge is loaded does not exist. Further, the first projecting portion 431 and the second projecting portion 441 are respectively engaged with the projections 331 on both sides of the elastic contact 320, for example, when the first projecting portion 431 passes through the projections 331, the first projecting portion 431 is elastically deformed so as to be retracted into the frame, and after the first projecting portion 431 passes through the projections 331, the first projecting portion 431 is restored to its original shape and caught at the lower end of the projections 331, so that abrasion of the projections 331 and the first projecting portion 431 can be reduced. At this time, the ink outlet 210 of the ink cartridge is engaged with the ink taking needle 310, for example, the ink taking needle 310 is inserted into a hole of a rubber plug of the ink outlet 210, so that the ink communication between the inkjet printing apparatus and the ink cartridge is realized. The cartridge chip 450 mates with the spring contacts 320 to electrically connect the cartridge chip to the inkjet printing device.

Finally, it should be emphasized that the above-described embodiments are merely preferred examples of the utility model, which is not intended to limit the utility model. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. A clamping piece is used for being detachably arranged on a box body of an ink box and is characterized by comprising a chip supporting block, a first clamping structure, a second clamping structure and an abutting block; the first clamping structure, the chip supporting block and the second clamping structure are sequentially connected in the vertical direction;

the number of the abutting blocks is two, and the two abutting blocks are respectively connected to two sides of the first end of the chip supporting block in the transverse direction; the distance between two outer side end faces of the two abutting blocks in the transverse direction is larger than the maximum distance between two side faces of the chip supporting block in the transverse direction; the abutting block extends in a direction from a first surface of the chip supporting block in a longitudinal direction to a second surface of the chip supporting block in the longitudinal direction, and a distance between an end face of the abutting block extending in the longitudinal direction and the first surface is smaller than a distance between the first surface and the second surface.

2. A clip member according to claim 1, wherein:

the chip supporting block comprises a first connecting block, a second connecting block, a first side block, a second side block and an ink box chip; the first connecting block is connected with the first clamping structure, the second connecting block is connected with the second clamping structure, the first side block and the second side block are oppositely arranged and are respectively connected between the first connecting block and the second connecting block, and the first connecting block, the second connecting block, the first side block and the second side block enclose a frame body with a hollow middle part;

the first side block comprises a first protruding part, the second side block comprises a second protruding part, the first protruding part protrudes along the direction far away from the second side block, the second protruding part protrudes along the direction far away from the first side block, and the first protruding part and the second protruding part are symmetrical to each other; the maximum distance between two lateral surfaces of the chip supporting block in the transverse direction is the distance between the top ends of the first convex parts and the second convex parts;

chip positioning parts are respectively arranged on the first connecting block and the second connecting block at two ends of the frame body, and the chip positioning parts extend outwards along a direction perpendicular to the frame body; the upper end and the lower end of the ink box chip are matched with the top end of the chip positioning part.

3. A clip member according to claim 2, wherein:

the first side block and the second side block are respectively integrally formed by plastics; or the first side block and the second side block respectively comprise a first end and a second end, the first end is connected with the first connecting block, and the second end is connected with the second connecting block; an elastic sheet is connected between the first end and the second end, and the elastic sheet forms the first boss and the second boss;

the joint spare still includes the connecting plate, the connecting plate is connected first connecting block with between the second connecting block, first side piece with between the connecting plate and the second side piece with have the space between the connecting plate.

4. An ink cartridge for being detachably mounted in a printing apparatus; the ink box comprises a box body, an ink outlet and a chip supporting block, wherein the ink outlet is connected to a first wall of the box body, and the chip supporting block is directly or indirectly connected to a second wall connected with the first wall; the method is characterized in that:

the ink box also comprises two abutting blocks which are respectively connected to two sides of the chip supporting block close to the first end of the first wall in the transverse direction; the distance between two outer side end faces of the two abutting blocks in the transverse direction is larger than the maximum distance between two side faces of the chip supporting block in the transverse direction; the abutting block extends in a direction from a first surface of the chip supporting block in a longitudinal direction to a second surface of the chip supporting block in the longitudinal direction, and a distance between an end face of the abutting block extending in the longitudinal direction and the first surface is smaller than a distance between the first surface and the second surface.

5. The ink cartridge as claimed in claim 4, wherein:

the ink box also comprises a first clamping structure and a second clamping structure, wherein the first clamping structure, the chip supporting block and the second clamping structure are sequentially connected; the first clamping structure is close to the first wall, and the second clamping structure is far away from the first wall; the first clamping structure and the second clamping structure are respectively clamped with the second wall;

6. An ink cartridge according to claim 5, characterized in that:

the first side block and the second side block are respectively integrally formed by plastics; or the first side block and the second side block respectively comprise a first end and a second end, an elastic sheet is connected between the first end and the second end, and the elastic sheet forms the first protruding part and the second protruding part.

7. An ink cartridge according to claim 6, characterized in that:

the ink box further comprises a connecting plate, the connecting plate is connected between the first connecting block and the second connecting block, and gaps are reserved between the first side block and the connecting plate and between the second side block and the connecting plate.

8. An ink cartridge according to claim 7, characterized in that:

the first clamping structure, the second clamping structure, the first connecting block, the second connecting block, the connecting plate, the first end and the second end are integrally formed.

9. An ink cartridge according to claim 5, characterized in that:

the first clamping structure comprises a bending block connected to the first end of the first connecting block, and the tail end of the bending block is connected with a first clamping block; the second wall is provided with a sunken part which is retracted towards the inner side of the second wall, the tail end of the sunken part is provided with a first bayonet, and the first bayonet extends along the direction far away from the first wall; the bending block is adjacent to the concave part, and the first clamping block is matched with the first bayonet;

the second clamping structure comprises an extension block connected to the second end of the second connecting block, a second bayonet is arranged at the tail end of the extension block, a second clamping block is arranged on the second wall, and the second clamping block extends outwards along the surface of the second wall and towards the direction far away from the first wall; the second clamping block is matched with the second bayonet.

10. An ink-jet printing device comprises an ink taking needle, an elastic contact, a positioning piece and an ink box, wherein the positioning piece is arranged on two sides of the elastic contact and comprises a convex block and an abutting surface extending along the installation direction of the ink box on the outer side of the convex block; the method is characterized in that:

the ink cartridge is the ink cartridge according to any one of claims 4 to 9; the end surface of the extending tail end of the abutting block is matched with the abutting surface; the ink outlet is matched with the ink taking needle; the ink box chip on the chip supporting block is matched with the elastic contact;

alternatively, the ink cartridge is the ink cartridge according to any one of claims 5 to 9; the end surface of the extending tail end of the abutting block is matched with the abutting surface; the first protruding part and the second protruding part are respectively clamped into the lower ends of the protruding blocks; the ink outlet is matched with the ink taking needle; and the ink box chip on the chip supporting block is matched with the elastic contact.