An ink bottle and a repeated ink filling device

Abstract

The application discloses an ink injection bottle and a repeated ink injection device. The ink injection bottle comprises a bottle body, the bottle body has an ink cavity for containing ink, the bottle body comprises an ink injection opening communicating with the ink cavity, a gas outlet communicating with the ink cavity and the outside world, and a sealing member sealing the gas outlet, and further comprises an outer cover movably connected with the bottle body, the outer cover is arranged to act on the sealing member to extrude the air in the inner cavity of the bottle body when the outer cover moves towards the bottle body, and the gas outlet is communicated with the outside world when the sealing member is moved to a position.

Description

TECHNICAL FIELD

[0001] The present application relates to the field of printer technology, in particular to an ink refilling bottle and a repeated ink refilling device. BACKGROUND

[0002] The conventional ink cartridge of the existing printer is disposable, and cannot be refilled after the ink in the ink cartridge is used up. Therefore, the ink cartridge can only be discarded as waste, causing environmental pollution, waste of available resources, and increase in use cost, and a series of problems.

[0003] In view of the above problems, there are ink cartridges with ink filling ports on the market, which realize the recycling of the ink cartridge by adding ink to the ink cartridge. However, this also brings the following problems:

[0004] There are mainly two ways to add ink to the existing ink cartridge:

[0005] One is to directly pour the ink in the ink bottle into the ink cartridge. This method is easy to spill ink outside, and the operator needs to be very careful when pouring ink. The operation is inconvenient, and the hands and surrounding environment are easily dirty.

[0006] The other is to add ink by using a syringe. Although this method is not easy to dirty the hands, since the capacity of the syringe is small, the user needs to extract and inject ink multiple times to complete the ink adding, and the user needs to continuously press the piston to make the ink come out when injecting the ink, which is time-consuming and laborious. SUMMARY

[0007] The technical problem to be solved by the present application is to overcome the defects of the existing ink adding method, such as complicated and laborious operation, easy to dirty hands and environment, and to provide an ink refilling bottle.

[0008] The present application solves the technical problem in the following way:

[0009] An ink refilling bottle, comprising a bottle body, the bottle body having an ink cavity for containing ink, characterized in that: the bottle body comprises a gas outlet communicating with the ink cavity and the outside world, and a sealing member capable of opening or plugging the passage of the gas outlet to the outside world, and further comprising an outer cover movably connected with the bottle body, the outer cover being arranged so as to act on the sealing member to make the air in the bottle body cavity be extruded when the outer cover moves towards the bottle body, and the gas outlet is communicated with the outside world when the sealing member is moved into position. In use, the outer cover is pressed to make the gas outlet communicate with the outside world, so that the atmospheric pressure acts on the ink liquid surface in the ink cavity, and the ink flows into the ink cartridge or the ink adding cartridge under the action of gravity, realizing ink adding.

[0010] As a preferred embodiment of the present application, the sealing member blocks the passage of the gas outlet to the outside world, and the outer cover can drive the sealing member to move along the passage towards the gas outlet to make the gas outlet communicate with the outside world. In this way, during the movement of the outer cover driving the sealing member, the gas in the passage can be compressed, and a positive pressure is applied to the ink in the ink chamber, so that the ink in the ink chamber can more easily flow into the ink cartridge or the ink filling box. This can effectively reduce the occurrence of ink not flowing out in the case of poor ink flowability due to cold weather or long storage time of the ink, or in the case of blockage caused by dry ink in the ink needle.

[0011] As a preferred embodiment of the present application, the sealing member includes a first sealing gasket, which continuously and uninterruptedly abuts against the inner wall of the gas chamber. With such a structure, the sealing member can always block the passage during movement.

[0012] As a preferred embodiment of the present application, the gas outlet is a gas guide channel, and the outer cover can drive the sealing member to move along the axial direction of the gas guide channel to make the sealing member move from blocking the passage of the gas guide channel to the outside world to opening the passage of the gas guide channel to the outside world. With the axial arrangement of the gas guide channel, the gas guide channel can be avoided from being completely blocked by the gas outlet.

[0013] As a preferred embodiment of the present application, the sealing member is a first sealing gasket, and the axial length of the gas guide channel is greater than the thickness of the first sealing gasket.

[0014] As a preferred embodiment of the present application, it further includes an upper cover covering the ink chamber, the upper cover has a gas chamber extending towards the ink chamber, the gas outlet is arranged at a first position close to the bottom of the gas chamber, the sealing member is arranged at a second position farther from the bottom of the gas chamber than the gas outlet and blocks the gas chamber, and the gas chamber constitutes the passage of the gas outlet to the outside world. When the outer cover drives the sealing member to move from the second position to the first position, the gas outlet is in communication with the outside world.

[0015] As a preferred embodiment of the present application, the gas outlet is a gas guide channel extending in the axial direction, the axial direction is the moving direction of the sealing member in the gas chamber, and the gas guide channel extends to the bottom of the gas chamber. With such a structure, the sealing gasket can avoid blocking the gas chamber after passing through the gas outlet, resulting in a reduced stroke of the sealing gasket.

[0016] As a preferred embodiment of the present application, the sealing member is a first sealing gasket, and the length of the gas guide channel in the extension direction is greater than the thickness of the first sealing gasket.

[0017] As a preferred embodiment of the present application, the outer cover is arranged on the upper cover, and the outer cover comprises a top rod capable of extending into the air cavity and driving the first sealing gasket to move in the air cavity.

[0018] As a preferred embodiment of the present application, the outer cover comprises a top wall, a side wall extending downward from the outer periphery of the top wall, and the top rod is arranged on the bottom surface of the top wall and extends towards the air cavity. The outer cover further comprises a resilient member sleeved on the top rod, one end of the resilient member abutting against the top wall, and the other end abutting against the upper cover. The resilient member is capable of driving the outer cover to elastically move relative to the bottle body, and the resilient member is also capable of resisting external pressure to avoid misoperation of the outer cover after being pressed.

[0019] As a preferred embodiment of the present application, the inner surface of the side wall is provided with a buckle member, and the outer peripheral wall of the bottle body is provided with a ring of stepped protrusions, and the buckle member is capable of abutting against the stepped surface of the stepped protrusions. Thus, the outer cover is prevented from being separated from the bottle body, and the outer cover is limited.

[0020] As a preferred embodiment of the present application, the sealing member further comprises a first sealing film arranged on the air cavity, and the top rod is capable of piercing the first sealing film and extending into the air cavity. The first sealing film is capable of further improving the sealing performance and preventing the ink from leaking.

[0021] As a preferred embodiment of the present application, the cross-sectional shape of the top rod is cross-shaped, triangular, circular, square, rhombic, elliptical, pentagonal, semicircular or annular. The cross-sectional shape of the top rod of the present application is cross-shaped. Such a structure is capable of reducing the contact area between the top rod and the first sealing film, obtaining greater contact pressure, and making it easier to pierce the first sealing film.

[0022] As a preferred embodiment of the present application, the bottom surface of the air cavity is provided with an ink injection hole. When the ink injection ink bottle is assembled, the ink is first injected into the ink cavity through the ink injection hole, and then the first sealing gasket and the first sealing film are packaged into the air cavity. The existence of the ink injection hole makes the assembly of the ink injection ink bottle more convenient and improves the assembly efficiency.

[0023] As a preferred embodiment of the present application, the bottle body further comprises an ink injection port communicating the ink cavity with the outside.

[0024] As a preferred embodiment of the present application, the bottle body is in a stepped cylindrical shape, comprising a bottle head and a bottle body. The diameter of the bottle head is smaller than the diameter of the bottle body, and the ink cavity is arranged in the bottle body.

[0025] The application also provides a repeated ink injection device, characterized in that: comprising the ink injection ink bottle, further comprising an ink cartridge or an ink injection cartridge, a plugging element is arranged in the ink injection opening of the ink injection ink bottle, an insertion opening is arranged on the ink cartridge or the ink injection cartridge, and a hollow ink injection needle capable of penetrating through the plugging element and communicating with the ink cavity is arranged in the insertion opening. The structure can simplify the operation and avoid ink leakage.

[0026] As a preferred embodiment of the application, the plugging element comprises a second sealing gasket arranged in the ink injection opening and a second sealing film arranged on the opening of the ink injection opening.

[0027] As a preferred embodiment of the application, a partition plate is arranged in the ink injection opening, the two side end faces of the second sealing gasket are respectively abutted against the partition plate and the second sealing film, and an opening is arranged on the partition plate.

[0028] The partition plate can prevent the second sealing gasket from moving in the ink injection opening and causing the sealing performance to be lost or reduced. The opening arranged on the partition plate can maintain the conduction of the ink injection opening.

[0029] As a preferred embodiment of the application, the ink injection opening is arranged in the bottle head of the bottle body, an error prevention structure is arranged on the bottle head, the error prevention structure comprises an axial groove or an axial rib arranged on the bottle head, and an axial rib or an axial groove matched with the axial groove is arranged on the inner wall of the insertion opening. With the structure, the insertion opening on the ink injection cartridge or the ink cartridge can only accommodate a specific specification of ink injection ink bottle to be inserted, thereby overcoming the problem of ink injection error.

[0030] As a preferred embodiment of the application, the error prevention structure comprises three axial ribs arranged on the outer wall of the bottle head in a circumferential direction, two axial ribs arranged on the outer wall of the bottle head in a circumferential direction, two axial ribs arranged on the outer wall of the bottle head and having an included angle of 50°-120° with respect to the bottle head axis, and a single axial rib arranged on the outer wall of the bottle head, and an axial groove matched with the axial rib is arranged on the insertion opening.

[0031] In summary, the positive progress effect of the application is that:

[0032] 1. The entire ink injection process can be realized by pressing the outer cover only once, which has the advantages of labor-saving and convenience compared with the needle injection method requiring the operator to continuously provide pressing force, and has the advantages of operation convenience and less dirty hands compared with the method of directly adding ink to the ink bottle.

[0033] 2. In the present application, the air cavity and the first sealing pad enclosing the air cavity form a structure similar to a piston, when the top rod on the outer cover pushes the first sealing pad to move, a positive air pressure can be applied to the ink cavity, so that the ink in the ink cavity can more easily break through the resistance to flow into the ink cartridge or the ink filling cartridge, which can effectively reduce the occurrence of no ink in the case of poor ink flowability due to cold weather or long storage time of ink, and the case of blockage caused by dry ink in the ink filling needle.

[0034] 3. The ink cartridge or ink filling cartridge is provided with an ink filling needle at the insertion port, and the communication between the ink cartridge or ink filling cartridge and the ink cavity is realized by piercing the blocking member in the ink filling port with the ink filling needle, which has the advantages of convenient operation, no ink leakage and no dirty hands.

[0035] 4. In the present application, the ink filling port and the air cavity are both provided with double sealing structure of sealing film and sealing pad, which can maximize the sealing performance and avoid ink leakage.

[0036] 5. In the present application, the bottle head is provided with an error prevention structure, which can avoid the mistake of filling ink.

[0037] 6. The whole ink filling ink bottle only contains two main components, which is simple in structure and easy to produce and manufacture. BRIEF DESCRIPTION OF DRAWINGS

[0038] The present application will be further described below in conjunction with the drawings:

[0039] Figure 1 It is an exploded view of the ink filling ink bottle;

[0040] Figure 2 It is a sectional view of the ink filling ink bottle;

[0041] Figure 3 It is an exploded view of the blocking member;

[0042] Figure 4 It is an exploded view of the upper cover and the sealing member;

[0043] Figure 5 It is an exploded view of the outer cover;

[0044] Figure 6 It is a kind of top rod structure;

[0045] Figure 7 It is another kind of top rod structure;

[0046] Figure 8 It is another kind of top rod structure;

[0047] Figure 9 It is an error prevention structure;

[0048] Figure 10for another error-proof structure;

[0049] Figure 11 for another error-proof structure;

[0050] Figure 12 for another error-proof structure;

[0051] Figure 13 for a repeated ink injection device;

[0052] Figure 14 for another repeated ink injection device;

[0053] Figure 15 for a working schematic of an ink injection device;

[0054] Figure 16 for a working schematic of an ink injection device;

[0055] Figure 17 for a working schematic of an ink injection device;

[0056] Figure 18 for a working schematic of an ink injection device;

[0057] BRIEF DESCRIPTION OF DRAWINGS

[0058] 100 - bottle body;

[0059] 110 - bottle head, 111 - ink injection port, 112 - blocking piece, 113 - second sealing gasket, 114 - second sealing film, 115 - partition plate, 116 - opening, 117 - error-proof structure, 118 - axial protrusion;

[0060] 120 - bottle body, 121 - ink cavity, 122 - stepped protrusion;

[0061] 130 - upper cover, 131 - gas cavity, 132 - gas outlet, 133 - sealing piece, 134 - first sealing gasket, 135 - gas guiding channel, 136 - first sealing film, 137 - ink injection hole;

[0062] 200 - outer cover;

[0063] 210 - top wall;

[0064] 220 - side wall, 221 - buckle piece;

[0065] 230 - top rod;

[0066] 240 - elastic piece;

[0067] 300 - ink injection box,

[0068] 310 - socket, 311 - ink injection needle, 312 - axial groove;

[0069] 400 - ink cartridge. DETAILED DESCRIPTION

[0070] The application will be further described by the following specific examples:

[0071] As shown in Figure 1 , Figure 2 and Figure 4 , the application provides an ink bottle, which comprises a bottle body 100 and an outer cover 200.

[0072] The bottle body 100 is in the shape of a stepped cylinder, which comprises a bottle head 110, a bottle body 120 and an upper cover 130 connected to the end of the bottle body 120 away from the bottle head 110. The bottle body 120 is provided with an ink cavity 121 for containing ink, which is closed by the upper cover 130. The diameter of the bottle head 110 is smaller than that of the bottle body 120, and the bottle head 110 is provided with an ink inlet 111 for connecting the ink cavity 121 with the outside.

[0073] The upper cover 130 is provided with a gas cavity 131, which is concave to the ink cavity 121 and in the shape of a cylinder. The gas cavity 131 is provided with a gas outlet 132 at a first position close to the bottom of the gas cavity 131, which connects the ink cavity 121 with the outside. The gas cavity 131 forms a passage for the gas outlet 132 to the outside, and is provided with a sealing member 133 at a second position further away from the bottom of the gas cavity 131 than the first position, which seals the gas cavity 131 and blocks the passage of the gas outlet 132 to the outside, so that the gas outlet 132 cannot be directly connected with the outside.

[0074] The outer cover 200 is movably connected to the end of the bottle body 120 away from the bottle head 110, and covers the upper cover 130. It comprises a top wall 210, a side wall 220 extending downward from the periphery of the top wall 210, a top rod 230 extending from the bottom surface of the top wall 210 toward the gas cavity 131, and a resilient member 240 sleeved on the top rod 230. One end of the resilient member 240 abuts against the bottom surface of the top wall 210, and the other end abuts against the top surface of the upper cover 130. The outer cover 200 is elastically movable along the axial direction of the bottle body 100 under the bias of the resilient member 240. The resilient member 240 can be a spring or the like.

[0075] When the outer cover 200 moves toward the bottle head 110 relative to the bottle body 100, the top rod 230 can extend into the gas cavity 131 and drive the sealing member 133 to move from the second position to the first position. When the sealing member 133 moves to the first position, it can no longer close the gas outlet 132, and at this time the gas outlet 132 is connected with the outside, so that the pressure in the ink cavity 121 is consistent with the outside pressure, and the ink in the ink cavity 121 can flow out from the opened ink inlet 111 without obstruction.

[0076] Specifically, the sealing member 133 comprises a first sealing pad 134, and the gas outlet 132 is a gas guiding groove 135 arranged on the inner wall of the air cavity 131 and extending axially to the bottom of the air cavity 131, and the length of the gas guiding groove 135 is greater than the thickness of the first sealing pad 134. With such a structure, when the first sealing pad 134 is pushed from the second position to the first position at the bottom of the air cavity 131, the gas guiding groove 135 is exposed outside the first sealing pad 134 and communicates with the outside, air enters the ink cavity 121 through the gas guiding groove 135, and the atmospheric pressure acts on the ink surface, so that the ink continuously flows into the ink cartridge or the ink cartridge through the ink inlet. Obviously, the present application is not limited to the gas guiding groove 135, but can also be a gas guiding hole arranged on the side wall of the air cavity between the first position and the second position, as long as the air cavity can be closed when the first sealing pad 134 is in the second position, and the gas outlet is directly connected with the outside when the first sealing pad 134 is in the first position.

[0077] Preferably, the first sealing pad 134 continuously and uninterruptedly abuts against the outer wall of the ink cavity 121, and such a structure can ensure good sealing performance. In addition, such a structure can also compress the gas in the air cavity 131 during the movement of the first sealing pad 134 from the second position to the first position driven by the ejector rod 230, so as to apply a positive pressure to the ink cavity 121 connected with the air cavity 131, and the ink in the ink cavity 121 can flow out more smoothly from the ink inlet 111.

[0078] In addition, the sealing member 133 further comprises a first sealing film 136 arranged at the opening of the air cavity 131, which can further improve the sealing performance and prevent ink overflow. During ink injection, the ejector rod 230 on the outer cover 200 pierces the first sealing film 136 and extends into the air cavity 131, and drives the first sealing pad 134 in the air cavity 131 to move from the second position to the first position.

[0079] In the embodiment, the bottom surface of the air cavity 131 is further provided with an ink injection hole 137 for injecting ink into the ink cavity 121. During assembly of the ink injection bottle, the ink is first injected into the ink cavity 121 through the ink injection hole 137, and then the first sealing pad 134 and the first sealing film 136 are packaged in the air cavity 131. The existence of the ink injection hole 137 can make the assembly of the ink injection bottle more convenient and improve the assembly efficiency. In addition, the ink injection hole 137 can also maintain the communication between the air cavity 131 and the ink cavity 121, so that the air cavity 131 is not completely closed after the first sealing pad 134 passes through the gas outlet 132, and the first sealing pad 134 can move smoothly to the bottom of the air cavity 131, increasing the stroke of the first sealing pad 134, and further improving the extrusion effect of the air in the ink cavity 121.

[0080] In the embodiment, the inner surface of the sidewall 220 of the outer cover 200 is provided with a plurality of buckling members 221 arranged circumferentially, and the outer wall of the bottle body near the upper cover 130 is provided with a ring of stepped protrusions 122 arranged circumferentially. The buckling members 221 abut against the stepped surfaces of the stepped protrusions 122, thereby avoiding the outer cover 200 from being separated from the bottle body and achieving the limiting of the outer cover 200.

[0081] In combination Figures 5 to 8 In the embodiment, the cross-sectional shape of the ejector rod 230 is a cross, a triangle, a circle, or a square, a diamond, an ellipse, a pentagon, a semicircle, or a ring, and can also be other shapes. The ejector rod 230 with a cross-sectional shape of a cross is preferred in the present application. Such a structure can reduce the contact area of the ejector rod 230 with the first sealing film 136, obtain a greater pressure, and make it easier to pierce the first sealing film 136.

[0082] In combination Figures 1 to 3 The bottle head 110 is provided with a blocking member 112 for blocking the ink injection opening 111. The blocking member 112 includes a second sealing gasket 113 arranged in the ink injection opening 111. The outer peripheral wall of the second sealing gasket 113 continuously and uninterruptedly abuts against the inner peripheral wall of the ink injection opening 111, thereby being able to block the ink injection opening 111. The blocking member 112 further includes a second sealing film 114 arranged at the opening of the ink injection opening 111. The second sealing film 114 can further improve the sealing performance and avoid ink leakage.

[0083] Preferably, the ink injection opening 111 is further provided with a partition plate 115. The two side surfaces of the second sealing gasket 113 respectively abut against the partition plate 115 and the second sealing film 114, thereby limiting the second sealing gasket 113 and avoiding the second sealing gasket 113 from moving in the ink injection opening 111 to cause a loss or reduction of the sealing performance. The partition plate 115 is provided with an opening 116 in the middle to keep the ink injection opening 111 open. In use, the bottle head 110 of the ink bottle is inserted into the insertion opening 310 of the ink cartridge or the ink injection cartridge. The hollow ink injection needle 311 arranged in the insertion opening 310 sequentially penetrates through the second sealing film 114 and the second sealing gasket 113, and extends into the ink cavity 121 from the opening 116, so that the ink in the ink cavity 121 can enter the ink injection cartridge 300 or the ink cartridge 400 through the ink injection needle 311.

[0084] In combination Figure 1 , Figure 9 , Figure 10 , Figure 11 and Figure 12As the ink cartridge 300 or the ink cartridge 400 has multiple sockets 310, which are respectively communicated with the compartments containing ink of different specifications and colors, in order to avoid misfilling, preferably, the bottle head 110 is further provided with an error-proof structure 117, which is an axial groove or an axial rib arranged on the outer wall of the bottle head 110. Different numbers and arrangement modes of the axial grooves or the axial ribs are used to correspond to ink of different specifications. Correspondingly, the socket 310 of the ink cartridge 300 or the ink cartridge 400 is provided with an axial rib corresponding to the axial groove or an axial groove corresponding to the axial rib. By using such structure, the socket 310 of the ink cartridge 300 or the ink cartridge 400 can only accommodate a specific specification of the ink bottle, thereby overcoming the problem of misfilling.

[0085] Specifically, in the embodiment of the present application, three axial ribs 118 arranged on the outer wall of the bottle head 110 in a circumferential direction, two axial ribs 118 arranged on the outer wall of the bottle head 110 in a circumferential direction, two axial ribs 118 arranged on the outer wall of the bottle head 110 and having an included angle of 90° with respect to the axis of the bottle head 110, and a single axial rib 118 arranged on the outer wall of the bottle head 110 are used to correspond to ink of different specifications and colors, respectively. Correspondingly, the socket 310 of the ink cartridge 300 or the ink cartridge 400 is provided with a corresponding axial groove 312 to accommodate a specific ink bottle.

[0086] In combination with Figure 13 and Figure 14 The present application also provides an ink cartridge 300 or an ink cartridge 400, which is provided with a socket 310 corresponding to the bottle head 110 of the ink bottle, and the socket 310 is provided with a hollow ink needle 311.

[0087] The present application also provides a repeated ink filling device, which comprises the ink bottle and the ink cartridge or the ink cartridge described above.

[0088] In combination with Figures 15 to 18 The use steps of the repeated ink filling device are as follows:

[0089] The bottle head 110 of the ink bottle is inserted into the socket 310 of the ink cartridge 300 or the ink cartridge 400, and the axial rib 118 on the bottle head 110 is correspondingly inserted into the axial groove 312 on the socket 310. The hollow ink needle 311 arranged in the socket 310 sequentially penetrates the second sealing film 114 and the second sealing gasket 113, and extends into the ink cavity 121 from the opening 116.

[0090] The outer cover 200 is pressed downward, the top rod 230 on the outer cover 200 penetrates the first sealing film 136 and extends into the air cavity 131, and drives the first sealing gasket 134 in the air cavity 131 to move from the second position to the first position.

[0091] In the process that the top rod 230 drives the first sealing pad 134 to run from the second position to the first position, the gas in the gas cavity 131 is compressed, a positive air pressure is applied to the ink cavity 121 connected with the gas cavity 131, the positive air pressure acts on the liquid surface of the ink, and the ink flows into the ink cartridge 300 or the ink cartridge 400 through the ink injection needle 311.

[0092] When the first sealing pad 134 runs to the first position, the air guide channel 135 is exposed and connected with the outside, air enters the ink cavity 121 through the air guide channel 135, and the atmospheric pressure acts on the liquid surface of the ink, so that the ink continuously flows into the ink cartridge 300 or the ink cartridge 400.

[0093] The outer cover 200 is loosened, and the outer cover 200 is bounced back to the reset position under the action of the elastic member 240.

[0094] When the ink in the ink injection ink bottle flows into the ink cartridge or the ink cavity, the ink injection ink bottle is pulled out, and the whole ink injection process is completed.

[0095] The application has the advantages that:

[0096] 1. The whole ink injection process can be realized by pressing the outer cover 200 once, and compared with the needle tube ink injection mode which needs the operator to continuously provide the pressing force, the application has the advantage of convenient operation. Compared with the mode of directly pouring ink from the ink bottle, the application has the advantages of convenient operation and not easy to get dirty hands.

[0097] 2. The gas cavity 131 and the first sealing pad 134 which seals the gas cavity 131 form a structure similar to a piston, when the top rod on the outer cover 200 drives the first sealing pad 134 to move, a positive air pressure can be applied to the ink cavity 121, so that the ink in the ink cavity 121 can more easily break through the blockage and flow into the ink cartridge 400 or the ink cartridge 300, which can reduce the occurrence of ink not flowing out in the case of poor ink flow caused by cold weather or long storage time of the ink, or in the case of blockage caused by dry ink in the ink injection needle, which has great positive significance.

[0098] 3. The ink injection needle 311 is arranged at the spout 310, and the ink cartridge 400 or the ink cartridge 300 is injected by the way that the ink injection needle 311 pierces the blocking member in the ink injection port 111, and the connection mode has the advantages of convenient operation, not easy to leak ink and not easy to get dirty hands.

[0099] 4. The ink injection port 111 and the gas cavity 131 are provided with double sealing structures of sealing film and sealing pad, which can maximize the sealing performance and avoid ink leakage.

[0100] 5. The bottle head 110 is provided with an error prevention structure, which can avoid ink injection error.

[0101] 6. The entire ink bottle contains only two main components, simple structure and easy to manufacture.

[0102] However, those skilled in the art should recognize that the above embodiments are only used to illustrate the present application, and are not used as a limitation to the present application, as long as the changes and modifications of the above described embodiments are within the scope of the spirit of the present application, they will fall within the scope of the claims of the present application.

Claims

1. An ink bottle, comprising a bottle body having an ink cavity for containing ink, characterized in that: The bottle body includes a gas outlet connecting the ink cavity to the outside and a sealing element that can open or block the passage of the gas outlet to the outside. It also includes an outer cover that is movably connected to the bottle body. The outer cover is configured such that when the outer cover moves toward the bottle body, it can act on the sealing element to compress the air in the inner cavity of the bottle, and when the sealing element moves into place, it allows the gas outlet to communicate with the outside. The sealing element blocks the passage from the gas outlet to the outside, and the outer cover can drive the sealing element to move along the passage toward the gas outlet so that the gas outlet can communicate with the outside. It also includes an upper cover that seals the ink chamber. The upper cover has an air chamber that extends toward the ink chamber. The gas outlet is located at a first position near the bottom of the air chamber. The sealing member is located at a second position further away from the bottom of the air chamber than the first position and seals the air chamber. The air chamber forms a passage for the gas outlet to the outside. When the outer cover moves the sealing member from the second position to the first position, the gas outlet is connected to the outside. The outer cover is disposed on the upper cover, and the outer cover includes a push rod that can extend into the air cavity and drive the sealing member to move in the air cavity; The sealing element also includes a first sealing film that is sealed at the opening of the air chamber, and the push rod is capable of piercing the first sealing film and extending into the air chamber.

2. The ink bottle according to claim 1, characterized in that: The seal includes a first sealing gasket that continuously and uninterruptedly abuts against the inner surface of the passage.

3. The ink bottle according to claim 1, characterized in that: The gas outlet is a gas guide channel, and the outer cover can drive the sealing element to move along the axial direction of the gas guide channel so that the sealing element moves from the position of blocking the passage of the gas guide channel to the position of opening the passage of the gas guide channel to the outside.

4. The ink bottle according to claim 3, characterized in that: The sealing element is a first sealing gasket, and the axial length of the air guide groove is greater than the thickness of the first sealing gasket.

5. The ink bottle according to claim 1, characterized in that: The gas outlet is a gas guide groove extending in the axial direction, which is the direction in which the seal moves in the gas cavity, and the gas guide groove extends to the bottom of the gas cavity.

6. The ink bottle according to claim 5, wherein the sealing element is a first sealing gasket, and the length of the air guide groove in the extending direction is greater than the thickness of the first sealing gasket.

7. The ink bottle according to claim 1, characterized in that: The outer cover includes a top wall, a side wall extending downward from the outer periphery of the top wall, a top rod disposed on the bottom surface of the top wall and extending toward the air cavity, and also includes an elastic element sleeved on the top rod, one end of the elastic element abutting against the top wall and the other end abutting against the upper cover.

8. The ink bottle according to claim 7, characterized in that: The inner surface of the side wall is provided with a fastener, and the outer peripheral wall of the bottle is provided with a ring of stepped protrusions, and the fasteners can abut against the stepped surface of the stepped protrusions.

9. The ink bottle according to claim 1, characterized in that: The cross-sectional shape of the top rod can be cross-shaped, triangular, circular, square, rhomboid, elliptical, pentagonal, semi-circular, or annular.

10. The ink bottle according to claim 5, characterized in that: The bottom surface of the air chamber is provided with an ink injection hole.

11. The ink bottle according to claim 1, characterized in that: The bottle also includes an ink inlet that connects the ink chamber to the outside.

12. The ink bottle according to any one of claims 1 to 11, characterized in that: The bottle body is a stepped cylinder, including a bottle head and a bottle body. The diameter of the bottle head is smaller than the diameter of the bottle body. The ink cavity is located in the bottle body, and the bottle head has an ink inlet.

13. A refillable ink device, comprising an ink bottle as described in any one of claims 1 to 12, and further comprising an ink cartridge or ink refill box, wherein the ink bottle has a sealing member in its ink filling port, and the ink cartridge or ink refill box has an insertion port, wherein the insertion port has a hollow ink filling needle that can pass through the sealing member and communicate with the ink cavity.

14. The refillable ink device according to claim 13, characterized in that: The sealing component includes a second sealing gasket disposed in the ink inlet and a second sealing film disposed at the opening of the ink inlet.

15. The refillable ink device according to claim 14, characterized in that: The ink inlet is provided with a partition, and the two end faces of the second sealing gasket abut against the partition and the second sealing film respectively. The partition is provided with an opening.

16. The refillable ink device according to claim 13, characterized in that: The ink inlet is located in the bottle head of the bottle body, and the outer wall of the bottle head is provided with an anti-misoperation structure.

17. The refillable ink device according to claim 16, characterized in that: The error-proof structure includes an axial groove or an axial protrusion on the outer wall of the bottle head, and an axial protrusion or an axial groove adapted to the axial groove is provided on the inner wall of the insertion port.

18. The refillable ink device according to claim 17, characterized in that: The error-proof structure includes three axial protrusions evenly arranged circumferentially on the outer wall of the bottle head, or two axial protrusions evenly arranged circumferentially on the outer wall of the bottle head, or two axial protrusions arranged on the outer wall of the bottle head with an angle of 50°-120° relative to the axis of the bottle head, or a single axial protrusion arranged on the outer wall of the bottle head, and the socket is provided with an axial groove adapted to the axial protrusions.

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