Rotary buckle type ink box

Abstract

The utility model discloses a rotary buckle type ink box. The rotary buckle type ink box comprises a box body, a rotary buckle, an elastic piece and an unlocking rod. The rotating buckle is rotationally arranged on the box body along the axis arranged left and right, the rotating buckle is provided with a buckle part, the front end of the buckle part is provided with a guide inclined plane, the elastic piece is arranged between the rotating buckle and the box body, and the unlocking rod is in linkage fit with the rotating buckle. Wherein the rotary buckle is provided with a clamping and locking position and an unlocking position, and in the clamping and locking position, the buckle part is located at the position extending out relative to the box body; at the unlocking position, the buckling part retracts towards the box body; the elastic piece is used for providing elastic force enabling the rotary buckle to be kept at the clamping and locking position. When the ink box moves forwards, the external structure can push the guide inclined surface to enable the rotary buckle to enter the unlocking position; the unlocking rod is used for driving the rotary buckle to enter the unlocking position, and when the rotary buckle is reset to the clamping and locking position, the rotary buckle can be in linkage with the unlocking rod to reset. The ink box has the advantages of being convenient to operate and simple in structure.

Description

TECHNICAL FIELD

[0001] The utility model relates to printing supplies, especially a rotary buckle type ink box. BACKGROUND

[0002] A kind of ink box of prior art adopts buckle type structure, swinging buckle piece is movably arranged on the ink box mounting portion of printing equipment, guide rail and buckle cooperation part are arranged on the ink box, guide rail is divided into installation guide rail and dismounting guide rail, installation guide rail and dismounting guide rail are respectively arranged on the two sides of buckle cooperation part.When installing ink box, ink box is inserted into ink box mounting portion, swinging buckle piece is swung to the position of cooperation with installation guide rail and is guided to the position of clamping with buckle cooperation part, so as to complete the installation and fixation of ink box.When dismounting, further push ink box forward, swinging buckle piece is guided to dismounting guide rail, and ink box can be ejected by the top pressure spring provided by ink box mounting portion, so as to complete dismounting.The aforementioned ink box can realize relatively convenient installation and dismounting, but the structure is complex, swinging buckle piece needs to be arranged on ink box mounting portion, and the structure of complex guide rail needs to be arranged, which is troublesome in production and manufacturing. SUMMARY

[0003] The utility model aims at at least solving one of the technical problems existing in prior art. For this purpose, the utility model provides a rotary buckle type ink box, which has the advantages of convenient operation and simple structure.

[0004] The rotary buckle type ink box according to the utility model embodiment comprises a box body, a rotary buckle, an elastic member, and an unlocking lever.The rotary buckle is rotatably arranged on the box body along the left-right arranged axis, and is provided with a buckle part.The front end of the buckle part is provided with a guide inclined surface.The elastic member is arranged between the rotary buckle and the box body.The unlocking lever is connected with the rotary buckle and cooperates with the rotary buckle.The rotary buckle has a locking position and an unlocking position.In the locking position, the buckle part is in the position of protruding relative to the box body.In the unlocking position, the buckle part is retracted towards the box body.The elastic member is used to provide the elastic force for keeping the rotary buckle in the locking position.When the ink box moves forward, the external structure can push the rotary buckle into the unlocking position by pushing the guide inclined surface.The unlocking lever is used to drive the rotary buckle into the unlocking position.When the rotary buckle is reset to the locking position, the rotary buckle can reset the unlocking lever.

[0005] The utility model discloses a kind of rotary buckle formula ink tank according to the utility model embodiment, at least have following beneficial effects: when installing ink tank, ink tank is directly inserted and installed in the ink tank installation part of printing equipment, ink tank installation part is guided to the unlocking position by guide slope with rotary buckle, when structure recess and buckle portion are opposite, buckle portion can be opposite ink tank and be in the locking position under the action of elastic member, buckle portion can be stably connected with structure recess, to complete the installation of ink tank. When disassembling, it can be changed to unlocking position by unlocking lever linkage rotary buckle, so that ink tank can be ejected by the top pressure spring provided by ink tank installation part or can be directly disassembled and taken away ink tank. The above-mentioned ink tank, when installing, the guide slope provided at the front end of buckle portion can realize automatic locking installation, and when disassembling ink tank, only unlocking lever needs to be operated, to keep relatively simple operation, and the above-mentioned buckle structure is also relatively simple compared with existing structure, simple action, and convenient for production and manufacture.

[0006] According to some embodiments of the utility model, the rotary buckle and the unlocking lever are in a split structure, the unlocking lever is movably arranged in the box body, one end of the unlocking lever is provided with a linkage part, and the other end is provided with a pressing part, the rotary buckle is provided with a linkage matching part, the linkage part and the linkage matching part abut against each other, and when the unlocking lever operates, the rotary buckle is pushed into the unlocking position through the linkage part, and when the rotary buckle is reset to the locking position, the unlocking lever is reset through the linkage matching part.

[0007] According to some embodiments of the utility model, the unlocking lever is arranged along the front-rear direction and is slidably arranged in the box body along the front-rear direction, the linkage part is arranged at the front end of the unlocking lever and located at the rear side of the linkage matching part, the linkage matching part is in a slope structure, and the linkage part and the linkage matching part are slidably matched.

[0008] According to some embodiments of the utility model, the linkage part is an arc angle provided at the front end of the unlocking lever.

[0009] According to some embodiments of the utility model, the rotary buckle comprises a rotating handle, a connecting rod and the buckle part, one end of the rotating handle is rotatably connected to the box body through a pivot arranged in the left-right direction, one end of the connecting rod is connected to the other end of the rotating handle, the buckle part is arranged at the other end of the connecting rod, the elastic member is arranged between the connecting rod and the box body, the connecting rod and the rotating handle enclose an obtuse angle, and the linkage matching part is arranged on the side of the rotating handle away from the obtuse angle.

[0010] According to some embodiments of the utility model, one end of the unlocking lever is fixedly connected with the rotary buckle, so that the unlocking lever and the rotary buckle rotate synchronously, and the other end of the unlocking lever is provided with a pressing part.

[0011] According to some embodiments of the present application, the unlocking rod and the rotating buckle are integrally formed.

[0012] According to some embodiments of the present application, the rotating buckle comprises a rotating handle, a connecting rod and the buckle part, the rotating handle is rotatably connected to the box body through a pivot arranged in left-right direction, one end of the connecting rod is connected with the rotating handle, the buckle part is arranged at the other end of the connecting rod, the elastic member is arranged between the connecting rod and the box body, the connecting rod and the rotating handle enclose an obtuse angle, the unlocking rod is arranged in front of and behind the rotating handle and the front end is fixed to the side of the rotating handle away from the obtuse angle.

[0013] According to some embodiments of the present application, the box body is provided with a receiving groove, the unlocking rod and the rotating buckle are arranged in the receiving groove; when the rotating buckle is in the locking position, the buckle part protrudes out of the notch of the receiving groove; when the rotating buckle is in the unlocking position, the buckle part is retracted into the receiving groove.

[0014] According to some embodiments of the present application, the rotating buckle type ink cartridge is used to cooperate with the ink cartridge mounting part of the printing equipment, the ink cartridge mounting part is provided with an ink cartridge slot, a structure groove and a top pressing spring, the ink cartridge slot is used to be inserted and cooperated with the box body, the structure groove is used to be clamped and cooperated with the buckle part, and the top pressing spring is used to be abutted and cooperated with the front end of the box body.

[0015] The additional aspects and advantages of the present application will be partially given in the following description, partially will become obvious from the following description, or will be understood by the practice of the present application. BRIEF DESCRIPTION OF DRAWINGS

[0016] The above and / or additional aspects and advantages of the present application will become apparent and more readily appreciated from the following description of the embodiments, taken in conjunction with the accompanying drawings, in which:

[0017] Figure 1 is a perspective view of the embodiment one of the present application;

[0018] Figure 2 is an exploded view of the embodiment one of the present application;

[0019] Figure 3 is Figure 2 is an enlarged view of A in the embodiment one of the present application;

[0020] Figure 4 is a perspective view of the ink cartridge mounting part on the existing printing equipment;

[0021] Figure 5Structure schematic view of the ink box (remove part of the shell) of the embodiment one of the utility model when being installed in the ink box installation part;

[0022] Figure 6 For Figure 5 The local enlarged schematic view;

[0023] Figure 7 For the three-dimensional schematic view of the embodiment two of the utility model;

[0024] Figure 8 For the exploded schematic view of the embodiment two of the utility model;

[0025] Figure 9 For Figure 8 The local enlarged schematic view;

[0026] Figure 10 Structure schematic view of the embodiment two of the utility model when being installed in the ink box installation part;

[0027] Figure 11 For Figure 10 The local enlarged schematic view.

[0028] Reference signs:

[0029] Box body 100, sliding groove 110, connecting plate 120, pivot hole 121, installation guide groove 122, accommodating groove 130;

[0030] Rotary buckle 200, buckle part 210, linkage cooperation part 220, guide inclined surface 211, rotating handle 230, connecting rod 240, positioning column 241;

[0031] Elastic member 300;

[0032] Unlocking rod 400, linkage part 410, pressing part 420, connecting column 430;

[0033] Ink box installation part 500, ink box slot 510, structure groove 520, top pressure spring 530. DETAILED DESCRIPTION

[0034] The embodiments of the utility model are described in detail below, and the examples of the embodiments are shown in the drawings, wherein the same or similar reference signs represent the same or similar elements or elements with the same or similar functions throughout. The embodiments described below by referring to the drawings are exemplary and are only used to explain the utility model, and cannot be understood as the limitation of the utility model.

[0035] In the description of the utility model, need understanding, if the direction description, for example, the direction or position relation of indication such as upper, lower, front, back, left, right is based on the direction or position relation shown in drawing, only for the convenience of describing the utility model and simplifying description, and not indicate or imply that the device or element indicated must have a particular orientation, a particular orientation configuration and operation, therefore, it can not be understood as the limitation of the utility model.

[0036] In the description of the utility model, several means one or more, the meaning of multiple is two or more, greater than, less than, exceed and so on are understood as not including the number, above, below, within and so on are understood as including the number.If there is a description to the first, second is only used for distinguishing technical features for the purpose, and can not be understood as indicating or implying relative importance or implicitly indicating the number of indicated technical features or implicitly indicating the sequence of indicated technical features.

[0037] In the description of the utility model, unless otherwise explicitly limited, the words such as setting, installation, connection should be broadly understood, and the person skilled in the art can reasonably determine the specific meaning of the above words in the utility model according to the specific content of the technical scheme.

[0038] Refer to Figures 1 to 11 A rotating buckle type ink cartridge, which comprises a box body 100, a rotating buckle 200, an elastic member 300 and an unlocking rod 400. The rotating buckle 200 is rotatably arranged on the box body 100 along the left-right arranged axis, and the rotating buckle 200 is provided with a buckle part 210, the front end of the buckle part 210 is provided with a guide slope 211, the elastic member 300 is arranged between the rotating buckle 200 and the box body 100, and the unlocking rod 400 is connected with the rotating buckle 200. Wherein, the rotating buckle 200 has a locking position and an unlocking position: in the locking position, the buckle part 210 is in the position of protruding relative to the box body 100; in the unlocking position, the buckle part 210 is retracted towards the box body 100; the elastic member 300 is used for providing the elastic force for keeping the rotating buckle 200 in the locking position; when the ink cartridge moves forward, the external structure can push the guide slope 211 to make the rotating buckle 200 enter the unlocking position; the unlocking rod 400 is used for driving the rotating buckle 200 to enter the unlocking position, and when the rotating buckle 200 resets to the locking position, the rotating buckle 200 can reset the unlocking rod 400.

[0039] When the ink cartridge is installed, the ink cartridge is directly inserted into the ink cartridge mounting portion 500 of the printing device, the ink cartridge mounting portion 500 guides the rotating buckle 200 to the unlocking position through the guide slope 211, and the buckle portion 210 can be extended relative to the ink cartridge to be in the locking position under the action of the elastic member 300 when the structure groove 520 on the ink cartridge mounting portion 500 is opposite to the buckle portion 210, the buckle portion 210 can be stably clamped with the structure groove 520, thereby completing the installation of the ink cartridge. When disassembling, the rotating buckle 200 can be changed to the unlocking position through the unlocking lever 400, so that the ink cartridge can be ejected by the top spring 530 provided on the ink cartridge mounting portion 500 or the ink cartridge can be directly disassembled and taken away. The above-mentioned ink cartridge, when installed, the guide slope 211 provided at the front end of the buckle portion 210 can realize automatic locking installation, and when disassembling the ink cartridge, only the unlocking lever 400 needs to be operated, thereby keeping the operation simple, and the above-mentioned buckle structure is also relatively simple compared with the existing structure, the action is simple, and the production and manufacturing are convenient.

[0040] In the attached Figures 1 to 6 In the embodiment, the rotating buckle 200 and the unlocking lever 400 are in a split structure, the unlocking lever 400 is movably arranged on the box body 100, one end of the unlocking lever 400 is provided with a linkage portion 410 and the other end is provided with a pressing portion 420, the rotating buckle 200 is provided with a linkage matching portion 220, the linkage portion 410 and the linkage matching portion 220 are matched with each other, the unlocking lever 400 pushes the rotating buckle 200 into the unlocking position through the linkage portion 410 when the unlocking lever 400 is in action, and the rotating buckle 200 resets the unlocking lever 400 through the linkage matching portion 220 when the rotating buckle 200 resets to the locking position. By adopting the above-mentioned structure, the unlocking lever 400 can be operated in a pressing manner, the unlocking lever 400 and the rotating buckle 200 are matched with each other by pushing, the structure is simple, easy to implement, and convenient to operate.

[0041] In the attached Figures 1 to 6 In the embodiment, the unlocking lever 400 is arranged in the front-rear direction and is slidably arranged on the box body 100 in the front-rear direction, the linkage portion 410 is arranged at the front end of the unlocking lever 400 and is located at the rear side of the linkage matching portion 220, the linkage matching portion 220 is in a slope structure, and the linkage portion 410 and the linkage matching portion 220 are slidably matched. By adopting the above-mentioned structure, when the pressing portion 420 is pressed, the unlocking lever 400 can be driven to move forward, the unlocking lever 400 pushes the linkage matching portion 220 through the linkage portion 410, and since the linkage matching portion 220 is in a slope structure, the rotating buckle 200 can be lifted to enter the unlocking position, and when the rotating buckle 200 resets, the unlocking lever 400 can also be reset by being reversely pushed by the linkage matching portion 220. The above-mentioned structure is simple, the linkage structure is stable, and easy to assemble.

[0042] It can be imagined that in some embodiments, the unlocking lever 400 which is separate from the rotating buckle 200 is not limited to the movable structure described above, and its structure can be reasonably configured according to actual conditions, as long as it can drive the rotating buckle 200 to switch positions.

[0043] In the embodiments of the present application, Figures 1 to 6 In the embodiments of the present application, the linkage part 410 is an arc angle provided at the front end of the unlocking lever 400. With the above structure, the linkage part 410 cooperates with the linkage cooperation part 220 through the arc angle, and the cooperation is smooth and the linkage is reliable.

[0044] In the embodiments of the present application, Figures 1 to 6 In the embodiments of the present application, the rotating buckle 200 includes a rotating handle 230, a connecting rod 240, and a buckle part 210, one end of the rotating handle 230 is rotatably connected to the box body 100 through a left-right direction provided pivot, one end of the connecting rod 240 is connected with the other end of the rotating handle 230, the buckle part 210 is provided at the other end of the connecting rod 240, the elastic member 300 is provided between the connecting rod 240 and the box body 100, the connecting rod 240 and the rotating handle 230 enclose an obtuse angle, and the linkage cooperation part 220 is provided at the side of the rotating handle 230 away from the obtuse angle. With the above structure of the rotating buckle 200, the structure is simple and easy to produce and manufacture.

[0045] In the embodiments of the present application, Figures 1 to 6 In the embodiments of the present application, the box body 100 is provided with a front-rear extending sliding groove 110, and the sliding groove 110 is provided at the left and right sides of the unlocking lever 400 respectively, and the unlocking lever 400 is provided with a connecting column 430 at the left and right sides respectively, the connecting column 430 is matched with the sliding groove 110, and the connecting column 430 is movably arranged in the sliding groove 110 at the corresponding side. In the embodiments, the connecting column 430 is matched with the sliding groove 110 in groups, each group of connecting column 430 is provided with at least two connecting columns 430 and the connecting columns 430 are arranged in the front-rear direction. It can be imagined that in other embodiments, the front-rear movement of the unlocking lever 400 is not limited to the above structure, for example, the sliding groove matched with the unlocking lever 400 as a whole is provided on the box body 100.

[0046] In the embodiments of the present application, Figures 1 to 6 In the embodiments of the present application, the connecting rod 240 is provided with a positioning column 241, and the elastic member 300 is a spring, one end of the spring is sleeved on the positioning column 241 and abuts against the connecting rod 240, and the other end of the spring abuts against the box body 100.

[0047] Referring to Figures 7 to 11In some other embodiments, one end of the unlocking lever 400 can be fixedly connected with the rotating buckle 200 to make the unlocking lever 400 and the rotating buckle 200 rotate synchronously, and the other end of the unlocking lever 400 is provided with a pressing portion 420. With the above structure, by fixing one end of the unlocking lever 400 with the rotating buckle 200, the unlocking lever 400 is avoided to be provided with a complicated movable connection structure, and the unlocking lever 400 and the rotating buckle 200 integrally form a lever structure, which is simpler in structure and convenient for manufacturing.

[0048] In the accompanying drawings: Figures 7 to 11 In some embodiments, the unlocking lever 400 and the rotating buckle 200 are integrally formed, which is more convenient for production and simpler in structure. It can be imagined that in some embodiments, one end of the unlocking lever 400 can also be fixedly connected with the rotating buckle 200 by means of fasteners, clamping and the like.

[0049] In the accompanying drawings: Figures 7 to 11 In some embodiments, the rotating buckle 200 comprises a rotating handle 230, a connecting rod 240 and a buckle portion 210, the rotating handle 230 is movably connected with the box body 100 through a pivot arranged in the left-right direction, one end of the connecting rod 240 is connected with the rotating handle 230, the buckle portion 210 is arranged at the other end of the connecting rod 240, the elastic member 300 is arranged between the connecting rod 240 and the box body 100, the connecting rod 240 and the rotating handle 230 enclose an obtuse angle, and the unlocking lever 400 is arranged in front of and behind the rotating buckle 200 and the front end of the unlocking lever 400 is fixed to the side of the rotating handle 230 away from the obtuse angle. With the above structure, the overall structure of the rotating buckle 200 and the unlocking lever 400 is simple and easy to manufacture.

[0050] In the accompanying drawings: Figures 7 to 11 In some embodiments, the box body 100 is provided with two connecting plates 120 parallel to each other, the two connecting plates 120 are arranged in the left-right direction with a space therebetween, the rotating buckle 200 and the unlocking lever 400 are arranged between the two connecting plates 120, the rotating buckle 200 is coaxially provided with a pivot on each of the left and right sides, the two connecting plates 120 are provided with pivot holes 121 matched with the pivots on the left and right sides of the rotating buckle 200, and the inner sides of the two connecting plates 120 close to each other are provided with mounting guide grooves 122, one end of each mounting guide groove 122 extends to the pivot hole 121, and the other end extends through the edge of the connecting plate 120 and forms an insertion opening. With the above structure, when the rotating buckle 200 is mounted, the rotating buckle 200 can be inserted between the two connecting plates 120 to spread the two connecting plates 120 apart, and the pivots arranged on the two sides of the rotating buckle 200 are guided into the pivot holes 121 through the mounting guide grooves 122, which is convenient for mounting. In some other embodiments, the rotating buckle 200 is not limited to the above structure to achieve the rotating arrangement, for example, by arranging a pivot on the box body 100 and arranging a corresponding pivot hole on the rotating buckle 200.

[0051] In the above embodiment, the cartridge 100 is provided with the accommodating groove 130, the unlocking rod 400 and the rotating buckle 200 are arranged in the accommodating groove 130; when the rotating buckle 200 is in the locking position, the buckle part 210 extends out of the slot of the accommodating groove 130; when the rotating buckle 200 is in the unlocking position, the buckle part 210 is retracted into the accommodating groove 130. By using the above structure, the rotating buckle 200 and the unlocking rod 400 are better protected. Figures 7 to 11 In the above embodiment, the accommodating groove 130 is formed by the two connecting plates 120.

[0052] In the above embodiment, the rotating buckle type ink cartridge is used to cooperate with the ink cartridge mounting part 500 of the printing equipment, the ink cartridge mounting part 500 is provided with an ink cartridge slot 510, a structure groove 520 and a top pressing spring 530, the ink cartridge slot 510 is used to be connected with the cartridge 100, the structure groove 520 is used to be connected with the buckle part 210, and the top pressing spring 530 is used to abut with the front end of the cartridge 100.

[0053] The technical features of the above embodiments can be combined arbitrarily, in order to make the description simple, all possible combinations of the technical features in the above embodiments are not described, however, as long as the combination of the technical features does not exist contradictory, it should be considered that it is within the scope of the present application.

[0054] The above embodiment of the present application is described in detail in combination with the drawings, but the present application is not limited to the above embodiment, within the knowledge range of ordinary skilled in the art, various changes can be made without departing from the purpose of the present application.

Claims

1. A rotary snap-in ink cartridge, characterized by, The utility model relates to a kind of ink cartridge, including: Box (100); Rotary buckle (200), along the axis of left and right setting, rotation setting in the box (100), the rotary buckle (200) is provided with buckle part (210), the front end of the buckle part (210) is provided with guide inclined plane (211); Elastic member (300), setting between the rotary buckle (200) and the box (100); Unlocking rod (400), with the rotary buckle (200) linkage cooperation; Wherein, the rotary buckle (200) has lock position and unlocking position: in the lock position, the buckle part (210) is in the position of protruding relative to the box (100);In the unlocking position, the buckle part (210) is inducted towards the box (100);The elastic member (300) is used to provide the elastic force that makes the rotary buckle (200) keep in the lock position;When ink cartridge moves forward, external structure can make the rotary buckle (200) enter the unlocking position by pushing the guide inclined plane (211);The unlocking rod (400) is used to drive the rotary buckle (200) to enter the unlocking position, and the rotary buckle (200) can be reset to the lock position when the rotary buckle (200) resets the unlocking rod (400).

2. The rotary snap-in cartridge of claim 1, wherein: The rotary buckle (200) and the unlocking rod (400) are split structure, the unlocking rod (400) is movably set in the box (100), one end of the unlocking rod (400) is provided with linkage part (410) and the other end is provided with pressing part (420), the rotary buckle (200) is provided with linkage cooperation part (220), the linkage part (410) and the linkage cooperation part (220) are mutually abutted and cooperated, the unlocking rod (400) is pushed into the unlocking position by the linkage part (410) when the unlocking rod (400) is operated, and the rotary buckle (200) is reset to the lock position by the linkage cooperation part (220) and pushes the unlocking rod (400) reset.

3. The rotary snap-in cartridge of claim 2, wherein: The unlocking rod (400) is set along front and back directions and is slidably set in the box (100), the linkage part (410) is set in the front end of the unlocking rod (400) and is located in the rear side of the linkage cooperation part (220), the linkage cooperation part (220) is inclined plane structure, and the linkage part (410) and the linkage cooperation part (220) are slidably cooperated.

4. The rotary snap-in cartridge of claim 3, wherein: The linkage part (410) is the circular arc angle of the front end of the unlocking rod (400).

5. The rotary snap-in cartridge of claim 3, wherein: The rotating buckle (200) comprises a rotating handle (230), a connecting rod (240) and the buckle part (210), one end of the rotating handle (230) is rotatably connected to the box body (100) through a pivot arranged in the left-right direction, one end of the connecting rod (240) is connected to the other end of the rotating handle (230), the buckle part (210) is arranged at the other end of the connecting rod (240), the elastic member (300) is arranged between the connecting rod (240) and the box body (100), the connecting rod (240) and the rotating handle (230) enclose an obtuse angle, and the linkage matching part (220) is arranged on the side of the rotating handle (230) away from the obtuse angle.

6. The rotary snap-in cartridge of claim 1, wherein: One end of the unlocking rod (400) is fixedly connected with the rotating buckle (200), so that the unlocking rod (400) and the rotating buckle (200) rotate synchronously, and the other end of the unlocking rod (400) is provided with a pressing part (420).

7. The rotary snap-in cartridge of claim 6, wherein: The unlocking rod (400) and the rotating buckle (200) are integrally formed.

8. The rotary snap-in cartridge of claim 6 or 7, wherein: The rotating buckle (200) comprises a rotating handle (230), a connecting rod (240) and the buckle part (210), one end of the rotating handle (230) is rotatably connected to the box body (100) through a pivot arranged in the left-right direction, one end of the connecting rod (240) is connected to the other end of the rotating handle (230), the buckle part (210) is arranged at the other end of the connecting rod (240), the elastic member (300) is arranged between the connecting rod (240) and the box body (100), the connecting rod (240) and the rotating handle (230) enclose an obtuse angle, and the unlocking rod (400) is arranged before and after and the front end is fixed to the side of the rotating handle (230) away from the obtuse angle.

9. The rotary snap-in cartridge of claim 1, wherein: The box body (100) is provided with a containing groove (130), and the unlocking rod (400) and the rotating buckle (200) are arranged in the containing groove (130); when the rotating buckle (200) is in the locking position, the buckle part (210) protrudes out of the slot opening of the containing groove (130); when the rotating buckle (200) is in the unlocking position, the buckle part (210) is retracted into the containing groove (130).

10. The rotary snap-in cartridge of claim 1, wherein: The rotating buckle type ink cartridge is used in cooperation with an ink cartridge mounting part (500) of a printing device, the ink cartridge mounting part (500) is provided with an ink cartridge slot (510), a structure groove (520) and a top pressing spring (530), the ink cartridge slot (510) is used for plug-in cooperation with the box body (100), the structure groove (520) is used for clamping cooperation with the buckle part (210), and the top pressing spring (530) is used for abutting cooperation with the front end of the box body (100).

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