CN220883796U - Ink box - Google Patents

Abstract

The utility model discloses an ink box, which comprises an ink box positioning and unlocking structure and a shell, wherein the ink box positioning and unlocking structure is detachably matched with a mounting part for mounting the ink box, the lower part of the shell is provided with an ink outlet, the ink box positioning and unlocking structure is arranged at the upper part of the shell, and the ink box positioning and unlocking structure comprises: the positioning buckle is rotatably arranged on the upper part of the shell and is provided with a first end and a second end which are oppositely arranged, a fulcrum is arranged between the first end and the second end, the positioning buckle rotates around the fulcrum, and the first end is clamped and locked with the mounting part; the unlocking elastic sheet is movably arranged on the upper part of the ink box, is abutted with the positioning buckle, and at least partially covers the upper part of the second end. The positioning buckle is used for unlocking and fixing the ink box, the unlocking elastic sheet is movably arranged on the ink box, the unlocking elastic sheet is in butt joint with the positioning buckle and covers the second end of at least one part of the positioning buckle, and the positioning buckle can be limited to touch and rotate accidentally when the positioning buckle is subjected to external force in the vertical direction or accidentally drops, so that the possibility that the positioning buckle is opened accidentally by external force is reduced.

Description

Ink box

Technical Field

The utility model relates to the field of printing equipment, in particular to an ink box with an ink box positioning and unlocking structure.

Background

Image forming apparatuses in the related art include, for example, a laser printer and an inkjet printer. An ink jet printer generally has an ink cartridge capable of containing ink mounted on a mounting portion of the ink jet printer so as to form characters or patterns to be printed on a recording medium such as paper. When the existing ink box is installed on the installation part, the positioning buckle structure on the upper part of the ink box is used for being fastened on the installation part, and the unlocking mode of the positioning buckle is that the positioning buckle is rotated by a certain angle by applying external force in the vertical direction, so that the part of the positioning buckle, which is in butt joint with the installation part, is separated from butt joint. The ink box position where the existing locating buckle is located and the unlocking mode of the existing locating buckle are easy to unlock and eject accidentally under the action of external force (such as accidental falling or accidental touching and pressing by an operator) from the upper side of the ink box, and threat is brought to normal operation and maintenance of the printer.

Disclosure of utility model

The ink box can effectively solve the problem that the positioning buckle structure of the existing ink box is easy to be touched and unlocked by mistake due to external force in the vertical direction or natural falling.

According to a first aspect of the present utility model, there is provided an ink cartridge including an ink cartridge positioning and unlocking structure, and a housing for storing ink, detachably engaged with a mounting portion on which the ink cartridge is mounted, the housing having an ink outlet in a lower portion thereof, the ink cartridge positioning and unlocking structure being provided in an upper portion thereof, the ink cartridge positioning and unlocking structure comprising:

The positioning buckle is rotatably arranged on the upper part of the shell and is provided with a first end and a second end which are oppositely arranged, a fulcrum is arranged between the first end and the second end, the positioning buckle rotates around the fulcrum, and the first end is clamped and locked with the mounting part;

The unlocking elastic piece is movably arranged on the upper part of the ink box, is clamped with the positioning buckle, and at least one part of the unlocking elastic piece covers the upper part of the second end;

The unlocking elastic piece is moved to drive the first end to be separated from the mounting part.

In some embodiments, the unlocking elastic piece moves along a first direction to push the second end to move along a second direction, so that the positioning buckle rotates and drives the first end to be separated from the clamping connection with the mounting part, and the first direction is orthogonal to the second direction.

In some embodiments, in the first direction, the unlocking elastic piece includes a pressing portion and an unlocking portion that are disposed opposite to each other, and the unlocking portion is disposed on the unlocking elastic piece in an inclined manner, and the second end is pushed by pushing the unlocking portion to drive the pressing portion. Therefore, the pressing part is used for abutting and pushing the second end, and the unlocking part can facilitate the user to apply horizontal external force.

In some embodiments, the detent is provided with a recess, and the unlocking portion is capable of abutting against the recess. Therefore, the space is convenient for the unlocking part to move, so that the second end can be pushed smoothly.

In some embodiments, the unlocking spring further comprises a positioning part, wherein the positioning part is connected with the pressing part and is movably arranged on the ink box. Therefore, the positioning part is used for positioning the unlocking elastic piece and preventing the unlocking elastic piece from being separated from the ink box.

In some embodiments, the positioning portion is provided with a first limiting portion, the ink cartridge is provided with a second limiting portion, and the unlocking elastic piece moves along the second limiting portion through the first limiting portion. Therefore, the moving direction of the unlocking elastic piece can be limited through the structures of the positioning groove and the positioning column.

In some embodiments, the unlocking elastic piece further comprises a connecting part, and the connecting part connects the pressing part and the unlocking part; the concave part is internally provided with a first elastic piece abutting part, the connecting part is abutted with the first elastic piece abutting part, or the first elastic piece abutting part is arranged below the unlocking elastic piece. Therefore, the connecting part can be abutted with the first elastic piece abutting part, abrasion of the connecting part and the positioning buckle is reduced, and the moving efficiency of the unlocking elastic piece is improved.

In some embodiments, the second end is provided with an inclined surface, and the pressing portion abuts against the inclined surface and pushes the second end to move in the vertical direction. Therefore, the inclined surface is used for facilitating the pressing part to push the second end, so that the second end can better receive acting force in the vertical direction.

In some embodiments, the inclined surface may be provided with a second spring contact portion, and the pressing portion moves along the second spring contact portion and pushes the second end to move in the vertical direction. Accordingly, the second elastic piece abutting portion is used for reducing abrasion between the pressing portion and the second end, and in other embodiments, the inclined surface may directly abut against the pressing portion without providing the second elastic piece abutting portion.

In some embodiments, the ink cartridge positioning and unlocking structure further includes an elastic member, one end of the elastic member abuts against the second end, and the other end of the elastic member abuts against at least a portion of the upper portion of the housing. Therefore, the elastic piece is used for providing elasticity for locking the ink box on the mounting part for the ink box positioning and unlocking structure.

Compared with the prior art, the ink box positioning and unlocking structure and the ink box have the following beneficial effects:

According to the ink box unlocking device, the positioning buckle and the unlocking elastic piece are arranged, the positioning buckle is used for unlocking and fixing the ink box, the unlocking elastic piece is movably arranged on the ink box, the unlocking elastic piece is in butt joint with the positioning buckle and covers at least one part of the positioning buckle, the positioning buckle can be limited to touch accidental rotation when the positioning buckle is subjected to external force in the vertical direction or accidentally drops, so that the possibility that the positioning buckle is accidentally opened by the external force is reduced, the positioning buckle can be effectively prevented from being accidentally unlocked and popped out under the action of external force from above the ink box by arranging the unlocking elastic piece, the positioning buckle can be unlocked by moving the unlocking elastic piece 12, and the ink box unlocking device is more suitable for autonomous operation behaviors of users.

Drawings

FIG. 1 is a schematic view of an ink cartridge according to the present utility model;

FIG. 2 is a schematic view of an ink cartridge of the present utility model mounted on a mounting portion;

FIG. 3 is a cross-sectional view of the ink cartridge of the present utility model;

FIG. 4 is a schematic view of an ink cartridge positioning and unlocking structure according to the present utility model;

FIG. 5 is a schematic view of the structure of the positioning buckle according to the present utility model;

Fig. 6 is a schematic structural diagram of an unlocking spring plate in the present utility model;

FIG. 7 is a schematic view of another embodiment of an unlocking dome according to the present utility model;

FIG. 8 is a front view of the ink cartridge of the present utility model;

FIG. 9 is an enlarged view of portion A of FIG. 8;

FIG. 10 is a state diagram of the unlocking spring plate of FIG. 9 after pushing the positioning buckle;

FIG. 11 is a cross-sectional view of another embodiment of a cartridge positioning and unlocking structure of the present utility model.

In the figure: 100-ink cartridge, 200-mounting portion, 201-notch, 202-latch, 1-ink cartridge positioning unlocking structure, 2-housing, 21-ink reservoir, 22-lid, 211-ink outlet, 212-chip holder, 213-chip, 214-mounting rib, 215-receiving cavity, 216-positioning post, 217-sponge, 11-positioning latch, 12-unlocking tab, 13-elastic piece, 14-fulcrum, 11 a-first end, 11 b-second end, 111-snap-in portion, 112-pressing portion, 113-recess, 114-first tab abutment, 115-second tab abutment, 116-inclined surface, 121-pressing portion, 122-connecting portion, 123-unlocking portion, 124-positioning portion, 1241-positioning slot, 125-pressing stripe.

Detailed Description

For the purpose of making the objects, technical solutions and advantages of the embodiments of the present utility model more apparent, the technical solutions of the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present utility model, and it is apparent that the described embodiments are some embodiments of the present utility model, but not all embodiments of the present 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 "second" 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.

The utility model relates to an ink box positioning and unlocking structure which can be arranged on an ink box and can be clamped and locked with a mounting part for mounting the ink box, so that the conventional unlocking mode is changed, and the ink box is prevented from being accidentally unlocked by external force in the vertical direction, wherein the ink box is detachably mounted on an image forming device, such as a laser printer, an ink-jet printer and the like.

The utility model is described in further detail below with reference to the accompanying drawings.

Fig. 1 schematically shows an ink cartridge 100 according to an embodiment of the present utility model. For convenience of description, the length direction of the ink cartridge 100 is taken as an X-axis direction, the X-axis direction is taken as a first direction, the X-axis direction includes a +x-axis direction and a-X-axis direction, the width direction of the ink cartridge 100 is taken as a Y-axis direction, the Y-axis direction includes a +y-axis direction and a-Y-axis direction, the height direction of the ink cartridge 100 is taken as a Z-axis direction, the Z-axis direction is taken as a second direction, the Z-axis direction includes a-Z-axis direction and a +z-axis direction, the X-axis, the Y-axis and the Z-axis are mutually orthogonal, and the first direction is taken as a horizontal direction and the second direction is taken as a vertical direction in this embodiment. As shown in fig. 1 and 2, the ink cartridge 100 is detachably mounted on a mounting portion 200 of the image forming apparatus. The ink cartridge 100 includes an ink cartridge positioning and unlocking structure 1 and a housing 2.

As shown in fig. 1 and 2, the case 2 includes an ink storage part 21 and a cap 22, the inside of the ink storage part 21 is of a hollow structure for storing ink, two sponges 217 are provided inside the ink storage part 21, an ink outlet 211 is provided on the-Z axis side (lower part) of the ink storage part 21, which can be inserted into the mounting part 200 and used for outputting ink, one of the sponges is provided in the ink outlet 211, the other sponge is provided in the ink storage part 21, the two sponges 217 can form a density difference to prevent ink leakage, the ink of the ink storage part 21 can be actively sucked out from the ink outlet 211 by the printer, and a gasket 218 is further provided on the lower part of the ink outlet 211. A detachable chip holder 212 is further provided on the outside of the ink storage part 21, the chip holder 212 being provided obliquely on the-Z axis side of the ink storage part 21, the chip holder 212 being provided with a card slot (not shown) for mounting a chip 213, the chip 213 storing information of the ink cartridge, the mounting part 200 having an electrical contact connectable with the chip 213, the chip 213 being connected with the electrical contact for identification by the image forming apparatus when the ink cartridge is mounted. the-X axis side of the ink reservoir portion 21 is also provided with a mounting rib 214, the mounting portion 200 is provided with a notch 201, and the mounting rib 214 can be engaged with the notch 201 so as to fix the ink cartridge. The cap 22 covers the +z-axis side (upper portion) of the ink storage portion 21.

As shown in fig. 3, the ink cartridge positioning and unlocking structure 1 is disposed on the upper portion of the ink storage portion 21, in the Z-axis direction, the ink cartridge positioning and unlocking structure 1 is closer to the +z-axis side of the ink storage portion 21, in the X-axis direction, the ink cartridge positioning and unlocking structure 1 is closer to the +x-axis side of the ink storage portion 21, and the ink cartridge positioning and unlocking structure 1 can be locked with the lock catch 202 of the mounting portion 200 in a locking manner, the lock catch 202 being disposed opposite to the notch 201 in the X-axis direction. Specifically, the ink cartridge positioning and unlocking structure 1 includes a positioning buckle 11, an unlocking elastic piece 12 and an elastic piece 13.

As shown in fig. 4, the positioning buckle 11 is rotatably disposed on the ink storage portion 21 of the ink cartridge, the positioning buckle 11 is engaged with the ink storage portion 21 through a hole shaft to form a rotating fulcrum 14, the whole positioning buckle 11 is in a curved strip structure, and has a certain elastic property, the positioning buckle 11 has a first end 11a and a second end 11b which are oppositely disposed, any end of the first end 11a and the second end 11b rotates after being stressed to drive the other end to rotate, the first end 11a is locked with the lock catch 202 of the mounting portion 200 in a clamping manner, the first end 11a is provided with a clamping portion 111, the clamping portion 111 has a structure protruding along the-X axis direction, the clamping portion 111 can be clamped with the lock catch 202, and a space is reserved between the clamping portion 111 and the ink storage portion 21 in the X axis direction. The second end 11b is provided with a pressing part 112, the pressing part 112 is located at the +z axis side of the ink storage part 21, the pressing part 112 has a structure protruding along the +z axis direction, the pressing part 112 comprises an inclined surface 116, the inclined surface 116 is connected with the outer side surface of the positioning buckle 11, the unlocking elastic sheet 12 can be covered on the outer side surface of the positioning buckle 11, and the pressing part 112 is used for receiving an external force, for example, receiving the external force or a component force along the-Z direction and then moving, so that the pressing part 112 rotates around the pivot 14 to drive the buckling part 111 to rotate and break away.

It should be noted that, when the ink cartridge positioning and unlocking structure 1 and the mounting portion 200 are in the locked state, that is, the locking portion 111 and the lock catch 202 are locked, the second end 11b still can slightly rotate, for example, when an article falls or is touched by a person, a protruding state beyond the unlocking elastic sheet 12 is provided, but the protruding distance is not enough to unlock the ink cartridge positioning and unlocking structure 1, and still an enough locking protection effect can be achieved.

The positioning buckle 11 is further provided with a concave portion 113, the concave portion 113 is a groove structure of the positioning buckle 11 and is located between the pressing portion 112 and the buckling portion 111, the shape of the concave portion 113 can adapt to a part of the structure of the unlocking elastic piece 12 so as to reserve a moving space for the unlocking elastic piece 12, a first elastic piece abutting portion 114 is arranged in the concave portion 113, the first elastic piece abutting portion 114 is a smooth protruding strip structure, the smooth protruding strip structure extends in the Y-axis direction, in the embodiment, two first elastic piece abutting portions 114 are arranged, and the first elastic piece abutting portion 114 can abut against the unlocking elastic piece 12. The positioning buckle 11 is further provided with a second elastic piece abutting portion 115, the second elastic piece abutting portion 115 is disposed on the inclined surface 116 of the pressing portion 112 and located on the-X axis side of the first elastic piece abutting portion 114, the second elastic piece abutting portion 115 overlaps with a projection portion of the first elastic piece abutting portion 114 in the X axis direction, and similarly the second elastic piece abutting portion 115 can abut with the unlocking elastic piece 12. The first spring abutting portion 114 and the second spring abutting portion 115 have the functions of reducing abrasion and static friction of the positioning buckle 11 and the unlocking spring 12, and the service life of the positioning buckle 11 is prolonged. In other embodiments, the first elastic piece abutting portion 114 may be disposed below the unlocking elastic piece 12, and then abuts against the recess 113 through the first elastic piece abutting portion 114, so that the same effect is achieved. In other embodiments, the inclined surface 116 may not be provided with the second elastic piece abutting portion 115, and the first end 11a may be directly pushed by the inclined surface 116 in an abutting manner, so that the design can be made according to practical requirements.

As shown in fig. 5, the unlocking elastic piece 12 is movably disposed on the ink cartridge, and can be abutted against the positioning buckle 11 and relatively move on the positioning buckle 11, and at least a part of the unlocking elastic piece covers the upper portion of the second end 11b, and the whole of the unlocking elastic piece is in a T-shaped bending piece structure, so as to limit the unlocking of the positioning buckle 11 when the positioning buckle 11 is stressed accidentally, and the unlocking elastic piece 12 comprises a pressing portion 121, a connecting portion 122, an unlocking portion 123 and a positioning portion 124.

The pressing portion 121, the connecting portion 122 and the unlocking portion 123 are sequentially connected, at least a part of the pressing portion 121 covers the second end 11b, the pressing portion 121 is located on the-X axis side of the unlocking elastic piece 12, the pressing portion 121 can be abutted against the pressing portion 112, specifically, the pressing portion 121 is abutted against the second elastic piece abutting portion 115, and when the pressing portion 121 is pushed along the-X axis direction, the pressing portion 121 pushes the pressing portion 112 along the second elastic piece abutting portion 115, so that the pressing portion 112 has a component force in the-Z axis direction to rotate around the fulcrum 14. The connecting portion 122 is located in a part of the space in the recess 113, and the connecting portion 122 can be abutted against the first elastic piece abutting portion 114, namely, can slide relatively on the first elastic piece abutting portion 114, so that the connecting portion 122 is prevented from being directly contacted with the bottom surface of the recess 113 to generate larger abrasion. The unlocking part 123 is located at the +x axis side of the unlocking elastic sheet 12, the unlocking part 123 is obliquely arranged on the unlocking elastic sheet 12 to cater for the curved shape of the concave part 113, and the unlocking part 123 can be abutted against the concave part 113 after moving, wherein, as shown in fig. 9, when the buckling part 111 at the first end 11a is buckled with the lock catch 202, a space is reserved between the unlocking part 123 and the concave part 113 for reserving the space for moving the unlocking elastic sheet 12, the unlocking part 123 is used for receiving external force in the horizontal direction, so that the unlocking elastic sheet 12 can move along the horizontal direction to gradually reduce the space between the unlocking part 123 and the concave part 113, and the pressing part 121 is driven to apply force to the pressing part 112. Further, there is a gap between the connecting portion 122 and the unlocking portion 123 and the inner wall of the recess 113.

As shown in fig. 6 and 8, the positioning portion 124 is connected with the pressing portion 121, and is located at two sides of the Y axis direction of the pressing portion 121 and is a bending structure, the positioning portion 124 is used for connecting the unlocking elastic sheet 12 on the ink storage portion 21, so that the unlocking elastic sheet 12 abuts against the positioning buckle 11, accidental rotation of the positioning buckle 11 is prevented, the positioning portion 124 has the function of limiting the moving direction of the unlocking elastic sheet 12, specifically, the positioning portion 124 is provided with a first limiting portion, the first limiting portion is a positioning groove 1241, the positioning groove 1241 can adopt a waist-shaped hole or opening structure, a space for the unlocking elastic sheet 12 to move can be reserved in the X axis direction by the positioning groove 1241, the ink storage portion 21 is provided with a second limiting portion, the second limiting portion is a positioning column 216, the positioning column 216 is arranged in the positioning groove 1241, the positioning column 216 can abut against the positioning groove 1241, the positioning column 216 is matched with the positioning groove 1241 to limit the unlocking elastic sheet 12 to move along the positioning column 216, and meanwhile, the unlocking elastic sheet 12 is prevented from being separated from the positioning buckle 11. Of course, the first limiting portion may be the positioning post 216, the second limiting portion may be the positioning groove 1241, and the setting positions of the positioning post 216 and the positioning groove 1241 may be interchanged, which is similar to the above.

As shown in fig. 3, the elastic member 13 is a spring, the other end of the elastic member 13 is abutted against at least a portion of the upper portion of the housing 2, specifically, the upper portion of the ink storage portion 21 is provided with a containing cavity 215, the elastic member 13 is disposed in the containing cavity 215, one end of the elastic member 13 is abutted against the bottom of the containing cavity 215, and the other end is abutted against the second end 11b, so as to provide a component force in the +z axis direction for the pressing portion 112, so that the positioning buckle 11 can be reset through elastic force, and the positioning buckle 11 can be locked with the lock catch 202 in a continuous clamping manner.

In some embodiments, as shown in fig. 11, the pressing portion 121 and the connecting portion 122 are parallel to the X axis and abut against the pressing portion 112, where a third spring abutting portion 116 may be provided on the connecting portion 122 or the pressing portion 121 in the-X axis direction according to requirements, the third spring abutting portion 116 may be a bar, a column, a rib or the like, which can reduce friction when the unlocking spring 12 moves but does not affect the movement state thereof, at least a portion of the pressing portion 121 covers the pressing portion 112 (preferably all covers because the inclined surface 116 can be completely protected from being sprung apart by an intentional force), the abutting surfaces of the unlocking portion 123 and the recess 113 are parallel and have a gap therebetween, providing a space required for movement when the unlocking spring 12 is unlocked, and when the unlocking portion 123 is forced, the third spring abutting portion 116 may abut against the pressing portion 112 to push the second end 11b to rotate, so as to achieve the purpose of unlocking.

In some embodiments, as shown in fig. 7, a pressing stripe 125 is disposed on the surface of the unlocking portion 123, where the pressing stripe 125 may adopt a structure of a raised line or a recessed line, so that the surface of the unlocking portion 123 has a line when pushing, thereby improving the static friction force of the unlocking elastic sheet 12 applied with force along the horizontal direction, and avoiding slipping. The pressing stripe 125 may be provided in a linear or curved stripe shape extending along the Y-axis direction.

Working principle: in the unlocking process of the ink cartridge positioning and unlocking structure 1, the unlocking elastic piece 12 has two positions, as shown in fig. 9, when in the first position, the unlocking elastic piece 12 does not receive an external force, under the action of the elastic force of the elastic piece 13, the buckling part 111 is clamped with the lock catch 202, the connecting part 122 is kept in contact with the first elastic piece abutting part 114, the unlocking elastic piece 12 is limited by the positioning part 124 and cannot be separated by the elastic force, therefore, the positioning buckle 11 is kept in contact with the unlocking elastic piece 12, even if the pressing part 112 receives an external force in the-Z axis direction, the positioning buckle 11 still cannot rotate for unlocking, and when in the first position, the unlocking elastic piece 12 limits the rotation unlocking of the positioning buckle 11; as shown in fig. 10, in the second position, after the unlocking portion 123 receives an external force, the unlocking elastic piece 12 is moved along the horizontal direction to drive the pressing portion 121 to push the pressing portion 112 of the second end 11b, during the pressing portion 112 is pushed by the pressing portion 121, the positioning groove 1241 moves along the positioning post 216, the unlocking portion 123 gradually approaches the recess 113, the pressing portion 112 receives a component force in the-Z axis direction, moves along the-Z axis direction, the elastic piece 13 is compressed, and an arrow in fig. 10 indicates a rotating direction of the fastening portion 111, so that the positioning buckle 11 rotates and drives the fastening portion 111 of the first end 11a to rotate to disengage from the fastening buckle 202, thereby completing unlocking.

To sum up, this ink horn location unblock structure 1 can only unlock to the location knot 11 through the unblock shell fragment 12 to avoid the location knot 11 to receive the unexpected unblock of external force of plumb direction, the unblock mode of location knot 11 has been changed through the unblock shell fragment 12, unblock shell fragment 12 and location knot 11 butt, and cover the unexpected possibility of opening of buckle portion 111 of external force messenger has been reduced, when using, apply the external force of horizontal direction to the unblock shell fragment 12 in order to promote the unblock of location knot 11, the unexpected unblock of location knot 11 of receiving external force has been reduced, above-mentioned unblock mode more is fit for the autonomous operation action of user, reduce the ink horn and drop or receive the unexpected unblock of other external forces probability. The ink box positioning and unlocking structure 1 mainly increases the structure of the unlocking elastic sheet 12, facilitates the understanding of old and new users, and improves the rationality of the unlocking mode and the convenience of the users.

In other embodiments, the unlocking spring 12 is detachably disposed on the upper portion of the ink cartridge 100, and the unlocking spring 12 covers at least a portion of the positioning buckle 11, for example, a portion of the positioning buckle 11 from the pivot 14 to the-X axis direction, or completely covers the positioning buckle 11, so that when the ink cartridge 100 receives a downward external force, the unlocking spring 12 can directly receive the external force, and protect the positioning buckle 11 from being disturbed and not to rotate for unlocking, and meanwhile, the unlocking spring 12 can limit a rotation angle of the positioning buckle 11 to prevent the positioning buckle 11 from being stressed for unlocking, so that the unlocking spring 12 can be used as an unlocking preventing component of the positioning buckle 11.

In the foregoing, only the preferred embodiments of the present utility model have been described, and all possible combinations of the technical features of the embodiments are not described, but rather are not limited to any form, so that any modifications, equivalent variations and modifications made to the embodiments according to the technical principles of the present utility model fall within the scope of the technical aspects of the present utility model.

Claims (10)

1. The utility model provides an ink horn, includes ink horn location unblock structure and is used for storing the casing of ink, detachable cooperates with the installation department of installation ink horn, the casing lower part has the ink outlet, ink horn location unblock structure sets up the upper portion of casing, its characterized in that, ink horn location unblock structure includes:

The positioning buckle is rotatably arranged on the upper part of the shell and is provided with a first end and a second end which are oppositely arranged, a fulcrum is arranged between the first end and the second end, the positioning buckle rotates around the fulcrum, and the first end is clamped and locked with the mounting part;

The unlocking elastic piece is movably arranged on the upper part of the ink box, is abutted with the positioning buckle, and at least partially covers the upper part of the second end;

The unlocking elastic piece is moved to drive the first end to be separated from the mounting part.

2. The ink cartridge of claim 1, wherein the unlocking spring moves in a first direction to push the second end to move in a second direction, so that the positioning buckle rotates and drives the first end to be disengaged from the mounting portion, and the first direction is orthogonal to the second direction.

3. The ink cartridge of claim 2, wherein in the first direction, the unlocking elastic piece comprises a pressing portion and an unlocking portion which are oppositely arranged, the unlocking portion is obliquely arranged on the unlocking elastic piece, and the pressing portion is driven to push the second end by pushing the unlocking portion.

4. The ink cartridge as in claim 3, wherein the second end is provided with an inclined surface, the pressing portion abuts against the inclined surface and urges the second end to rotate, and at least a portion of the pressing portion covers the second end.

5. The ink cartridge according to claim 3, wherein the detent is provided with a recess, and the unlocking portion is capable of abutting against the recess.

6. The ink cartridge according to claim 5, wherein the unlocking elastic piece further includes a connecting portion that connects the pressing portion and the unlocking portion; the concave part is internally provided with a first elastic piece abutting part, the connecting part is abutted with the first elastic piece abutting part, or the first elastic piece abutting part is arranged below the unlocking elastic piece.

7. The ink cartridge as in claim 4, wherein the inclined surface is provided with a second spring contact portion, and the pressing portion moves along the second spring contact portion and pushes the second end.

8. The ink cartridge of claim 3, wherein the unlocking spring further comprises a positioning portion, and the positioning portion is connected with the pressing portion and is disposed on the ink cartridge.

9. The ink cartridge according to claim 8, wherein the positioning portion is provided with a first restriction portion, the ink cartridge is provided with a second restriction portion, and the unlocking elastic piece moves along the second restriction portion through the first restriction portion.

10. The ink cartridge as in claim 1, wherein the ink cartridge positioning and unlocking structure further comprises an elastic member, one end of the elastic member being abutted against the second end, and the other end of the elastic member being abutted against at least a portion of the upper portion of the housing.