Printer ink supply device

Abstract

The utility model discloses an ink supply device for a printer. The ink supply device comprises an ink bottle, a sealing assembly and an ink adding assembly, the ink adding assembly comprises a connecting pipe, an end cover and a trigger part. The connecting pipe and the triggering part are fixed on the ink bottle through the end cover; the trigger part is provided with a ball, a spring and an ejector pin. The sealing assembly comprises a first sealing cover used for sealing the ink bottle, a sealing plug matched with the first sealing cover, a second sealing cover used for sealing the connecting pipe and a sealing ring matched with the second sealing cover. One end of the spring enables the ball to abut against the sealing ring, and the other end of the spring enables the ejector pin to abut against the sealing plug. By arranging the sealing assembly and the ink adding assembly, a sealing plug and a sealing ring can be attached to the ink bottle and the connecting pipe, and the situation that ink leaks in the transportation and installation process of the ink bottle is avoided; when the trigger part is pressed, the sealing plug can be punctured through the ejector pin to communicate the ink bottle with the connecting pipe, so that the ink adding assembly can stably supply ink, and the stability and the use convenience of the printer ink supply device are improved.

Description

Technical Field

[0001] The utility model relates to the technical field of ink supply devices, in particular to an ink supply device for a printer. Background Art

[0002] With the development of printer technology, ink tank printers have emerged. The print head and ink supply system are set separately, which makes the ink tank printer print more. Ink tank printers are becoming more and more popular among users. This type of printer does not use traditional ink cartridges. Users only need to refill ink according to prompts, which is economical and environmentally friendly.

[0003] In the prior art, an ink bottle generally includes a bottle body and a bottle cap. The bottle body can hold ink and is generally sealed by welding film at the opening of the bottle body. The bottle body and the bottle cap are connected and fixed by threads. When using, the user needs to remove the bottle cap, pierce the sealing film with a sharp object, and then install the bottle cap to refill the printer with ink. If the operation is not done properly during the process of piercing the sealing film and tightening the bottle cap, the ink may leak out and cause pollution. Summary of the invention

[0004] In order to solve the above problems, the purpose of the utility model is to provide an ink supply device for a printer, improve the sealing and safety of the ink bottle, and ensure the stability and convenience of use of the ink supply device for the printer.

[0005] The technical solution adopted by the utility model to solve the problem is:

[0006] A printer ink supply device comprises an ink bottle, a sealing assembly and an ink adding assembly, wherein the sealing assembly is located between the ink adding assembly and the ink bottle; the ink adding assembly comprises a connecting tube, an end cover connected to the connecting tube, and a triggering part matched with the sealing assembly; the connecting tube and the triggering part are fixed to the ink bottle through the end cover; the triggering part is provided with a ball, a spring and an ejector pin, the sealing assembly comprises a first sealing cover for sealing the ink bottle, a sealing plug matched with the first sealing cover, a second sealing cover for sealing the connecting tube, and a sealing ring matched with the second sealing cover; one end of the spring presses the ball against the sealing ring, and the other end of the spring presses the ejector pin against the sealing plug, so as to isolate the ink bottle from the second sealing cover.

[0007] The above-mentioned printer ink supply device has at least the following beneficial effects: by providing a sealing component and an ink adding component, the sealing plug and the sealing ring can fit the ink bottle and the connecting tube, thereby preventing ink leakage from the ink bottle during transportation and installation, and ensuring the sealing and stability of the printer ink supply device; by providing a trigger part and a connecting tube, the spring can isolate the ink bottle and the second sealing cover through the ball and the ejector pin, and when the trigger part is pressed, the sealing plug can be pierced by the ejector pin to connect the ink bottle and the connecting tube, so that the ink adding component can supply ink stably, thereby improving the stability and ease of use of the printer ink supply device.

[0008] Furthermore, the upper end of the ink bottle is provided with a first convex edge, and the edge of the first sealing cover wraps the first convex edge to fix the sealing plug on the upper end of the ink bottle. By providing the first convex edge, it is ensured that the first sealing cover can stably fix the sealing plug, avoiding the situation where there is a gap between the upper end of the ink bottle and the sealing component to cause ink leakage, thereby improving the stability of the ink supply device of the printer.

[0009] Furthermore, a clamping ring is provided on the inner wall of the end cap, and the end cap is clamped on the first convex edge and fixedly connected to the ink bottle through the clamping ring. The clamping ring is provided to prevent the end cap from falling off the ink bottle, which affects the sealing and safety of the ink bottle.

[0010] Furthermore, the upper end of the sealing plug is provided with a protrusion matched with the connecting tube, and the lower end of the sealing plug is provided with a bottom edge matched with the inner wall of the ink bottle. By providing the protrusion and the bottom edge, the upper end of the sealing plug and the lower end of the connecting tube passing through the end cover are tightly wrapped to prevent ink leakage and ensure the stability of the ink supply device of the printer.

[0011] Furthermore, an ink inlet is provided at one end of the ejector away from the spring, and when the ejector passes through the sealing plug, the ink bottle is connected to the connecting tube through the ink inlet. By providing the ink inlet, it is ensured that the ink in the ink bottle can stably and quickly enter the connecting tube through the ink inlet during use, so as to be used by the printer, thereby improving the stability and convenience of the ink supply device of the printer.

[0012] Furthermore, the sealing ring is provided with a through hole that matches the ball; the connecting tube is provided with an ink supply pipeline that connects the through hole and the ink inlet, and the trigger part is fixed in the ink supply pipeline. By providing the through hole and the ink supply pipeline, it is ensured that the ink in the connecting tube can be continuously and stably transmitted to the outside, avoiding blockage in the connecting tube, and improving the stability of the ink supply device of the printer.

[0013] Furthermore, the diameter of the through hole gradually increases in the direction away from the ball. This structure facilitates the ink in the ink supply pipe to be transported outward through the through hole in an orderly and stable manner, avoiding congestion or leakage, and ensuring the output stability of the printer ink supply device.

[0014] Furthermore, there are multiple ink inlets, which are evenly distributed at the lower end of the ejector pin. This structure ensures that the ink in the ink bottle can enter the ink supply pipe in an orderly and stable manner through the ink inlet, avoiding ink congestion and improving the output stability of the printer's ink supply device.

[0015] Furthermore, the upper end of the connecting tube is provided with a second convex edge, and the edge of the second sealing cover wraps the second convex edge to fix the sealing ring on the upper end of the connecting tube. By providing the second convex edge, it is ensured that the second sealing cover can stably fix the edge position of the sealing ring, avoiding the situation where there is a gap between the upper end of the connecting tube and the sealing component to cause ink leakage, thereby improving the stability of the ink supply device of the printer.

[0016] Furthermore, a step is provided at the upper end of the connecting tube, and a convex ring is provided at the lower end of the sealing ring, and the sealing ring is inserted into the step through the convex ring to be sealed and connected to the connecting tube. By providing the step and the convex ring, ink leakage caused by a gap between the sealing ring and the connecting tube is avoided, and the connection stability and sealing between the sealing ring and the connecting tube are ensured.

[0017] The above-mentioned printer ink supply device has the following beneficial effects: by providing the sealing assembly and the ink adding assembly, the sealing plug and the sealing ring can fit the ink bottle and the connecting tube, so as to avoid ink leakage during transportation and installation of the ink bottle, thereby ensuring the sealing and stability of the printer ink supply device; by providing the trigger part and the connecting tube, the spring can isolate the ink bottle and the second sealing cover through the ball and the ejector pin, and when the trigger part is pressed, the ejector pin can pierce the sealing plug and then connect the ink bottle and the connecting tube, so that the ink adding assembly can stably supply ink, thereby improving the stability and convenience of use of the printer ink supply device; by providing the first convex edge, it is ensured that the first sealing cover can stably fix the sealing plug, thereby avoiding the situation that the gap between the upper end of the ink bottle and the sealing assembly causes ink leakage, thereby improving the stability of the printer ink supply device; by providing the clamping ring, it is prevented that the end cover falls off from the ink bottle, thereby affecting the sealing and safety of the ink bottle; by providing the second convex edge, it is ensured that the second sealing cover can stably fix the edge position of the sealing ring, thereby avoiding the situation that the gap between the upper end of the connecting tube and the sealing assembly causes ink leakage, thereby improving the stability of the printer ink supply device.

[0018] Additional aspects and advantages of the present invention will be given in part in the following description, and in part will become apparent from the following description, or will be learned through the practice of the present invention. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] The above and additional aspects and advantages of the present invention will become apparent and easily understood from the description of the embodiments in conjunction with the following drawings, in which:

[0020] Figure 1This is a front view of an ink supply device for a printer according to an embodiment of the utility model;

[0021] Figure 2 This is a cross-sectional view of an ink supply device for a printer according to an embodiment of the utility model;

[0022] Figure 3 This is a structural exploded view of an ink supply device for a printer according to an embodiment of the utility model;

[0023] Figure 4 for Figure 1 A partial enlarged view of the middle ink bottle;

[0024] Figure 5 for Figure 3 A magnified view of the structure of the middle sealing plug;

[0025] Figure 6 for Figure 2 Enlarged view of the structure of the middle sealing component and the ink adding component. DETAILED DESCRIPTION

[0026] The embodiments of the present invention are described in detail below, and examples of the embodiments are shown in the accompanying drawings, wherein the same or similar reference numerals throughout represent the same or similar elements or elements having the same or similar functions. The embodiments described below with reference to the accompanying drawings are exemplary and are only used to explain the present invention, and cannot be understood as limiting the present invention.

[0027] Reference Figures 1 to 6 The embodiment of the utility model provides an ink supply device for a printer, comprising an ink bottle 100, a sealing assembly 200 and an ink supply assembly 300, wherein the sealing assembly 200 is located between the ink supply assembly 300 and the ink bottle 100; the ink supply assembly 300 comprises a connecting tube 310, an end cover 320 connected to the connecting tube 310, and a triggering part 330 matched with the sealing assembly 200; the connecting tube 310 and the triggering part 330 are fixed to the ink bottle 100 through the end cover 320; the triggering part 330 is provided with a ball 331, an elastic The sealing assembly 200 comprises a first sealing cover 210 for sealing the ink bottle 100, a sealing plug 220 matched with the first sealing cover 210, a second sealing cover 230 for sealing the connecting tube 310, and a sealing ring 240 matched with the second sealing cover 230; one end of the spring 332 presses the ball 331 against the sealing ring 240, and the other end of the spring 332 presses the ejector pin 333 against the sealing plug 220 to isolate the ink bottle 100 from the second sealing cover 230.

[0028] By providing the sealing assembly 200 and the ink adding assembly 300, the sealing plug 220 and the sealing ring 240 can fit the ink bottle 100 and the connecting tube 310, thereby preventing ink leakage from the ink bottle 100 during transportation and installation, and ensuring the sealing and stability of the ink supply device of the printer; by providing the trigger part 330 and the connecting tube 310, the spring 332 can isolate the ink bottle 100 and the second sealing cover 230 through the ball 331 and the ejector pin 333. When the trigger part 330 is pressed, the sealing plug 220 can be pierced by the ejector pin 333 to connect the ink bottle 100 and the connecting tube 310, so that the ink adding assembly 300 can supply ink stably, thereby improving the stability and ease of use of the ink supply device of the printer.

[0029] Reference Figure 4 In another embodiment, the upper end of the ink bottle 100 is provided with a first flange 110, and the edge of the first sealing cover 210 wraps the first flange 110 to fix the sealing plug 220 on the upper end of the ink bottle 100. By providing the first flange 110, it is ensured that the first sealing cover 210 can stably fix the sealing plug 220, avoiding the situation where there is a gap between the upper end of the ink bottle 100 and the sealing assembly 200 to cause ink leakage, and improving the stability of the ink supply device of the printer. Specifically, the first flange 110 is located at the edge of the open end 120 of the ink bottle 100, which improves the connection stability between the open end 120 and the sealing plug 220.

[0030] Reference Figure 6 In another embodiment, a snap ring 321 is provided on the inner wall of the end cover 320, and the end cover 320 is fixedly connected to the ink bottle 100 by snapping on the first flange 110 through the snap ring 321. By providing the snap ring 321, the end cover 320 is prevented from falling off the ink bottle 100, which affects the sealing and safety of the ink bottle 100.

[0031] Reference Figure 5 In another embodiment, the upper end of the sealing plug 220 is provided with a protrusion 221 that matches the connecting tube 310, and the lower end of the sealing plug 220 is provided with a bottom edge 222 that matches the inner wall of the ink bottle 100. By providing the protrusion 221 and the bottom edge 222, the upper end of the sealing plug 220 and the lower end of the connecting tube 310 passing through the end cover 320 are conveniently tightly wrapped to prevent ink leakage and ensure the stability of the ink supply device of the printer.

[0032] Reference Figure 6 In another embodiment, an ink inlet 334 is further provided at one end of the ejector pin 333 away from the spring 332. When the ejector pin 333 passes through the sealing plug 220, the ink bottle 100 is connected to the connecting tube 310 through the ink inlet 334. By providing the ink inlet 334, it is ensured that the ink in the ink bottle 100 can stably and quickly enter the connecting tube 310 through the ink inlet 334 during use, so as to be used by the printer, thereby improving the stability and convenience of the ink supply device of the printer.

[0033] In another embodiment, a through hole 241 is provided in the sealing ring 240 to match the ball 331; an ink supply pipe 311 is provided in the connecting pipe 310 to connect the through hole 241 and the ink inlet 334, and the triggering part 330 is fixed in the ink supply pipe 311. By providing the through hole 241 and the ink supply pipe 311, it is ensured that the ink in the connecting pipe 310 can be continuously and stably transmitted to the outside, and the blockage in the connecting pipe 310 is avoided, thereby improving the stability of the ink supply device of the printer.

[0034] In another embodiment, the diameter of the through hole 241 gradually increases in the direction away from the ball 331. This structure facilitates the ink in the ink supply pipe 311 to be transported outward through the through hole 241 in an orderly and stable manner, avoiding congestion or leakage, and ensuring the output stability of the printer ink supply device.

[0035] In another embodiment, there are multiple ink inlets 334, which are evenly distributed at the lower end of the ejector pin 333. This structure ensures that the ink in the ink bottle 100 can enter the ink supply pipe 311 through the ink inlet 334 in an orderly and stable manner, avoiding ink congestion and improving the output stability of the ink supply device of the printer.

[0036] Reference Figure 6 In another embodiment, the upper end of the connecting tube 310 is provided with a second flange 312, and the edge of the second sealing cover 230 wraps around the second flange 312 to fix the sealing ring 240 on the upper end of the connecting tube 310. By providing the second flange 312, it is ensured that the second sealing cover 230 can stably fix the edge position of the sealing ring 240, avoiding the situation where there is a gap between the upper end of the connecting tube 310 and the sealing assembly 200 to cause ink leakage, thereby improving the stability of the ink supply device of the printer.

[0037] In another embodiment, a step 313 is further provided at the upper end of the connecting tube 310, and a convex ring 242 is provided at the lower end of the sealing ring 240. The sealing ring 240 is inserted into the step 313 through the convex ring 242 to be sealed and connected to the connecting tube 310. By providing the step 313 and the convex ring 242, ink leakage caused by a gap between the sealing ring 240 and the connecting tube 310 is avoided, and the connection stability and sealing between the sealing ring 240 and the connecting tube 310 are ensured.

[0038] The working principle of the utility model is further explained below.

[0039] During the production process, after the ink bottle 100 is filled with ink, the ink filling assembly 300 is put on the sealing assembly 200 of the ink bottle 100. Specifically, the bottom edge 222 of the lower end of the sealing plug 220 is inserted into the inner wall of the open end 120, and the edge of the first sealing cover 210 wraps the first flange 110 to fix the sealing plug 220 on the upper end of the ink bottle 100; then, the connecting tube 310 and the trigger part 330 are fixed to the ink bottle 100 through the end cover 320, wherein the trigger part 330 is fixed in the ink filling pipeline 311; then, the sealing ring 240 is inserted into the step 313 through the convex ring 242 to be sealed and connected with the connecting tube 310, and the edge of the second sealing cover 230 wraps the second flange 312 to fix the sealing ring 240 on the upper end of the connecting tube 310. In this way, the production of the printer ink supply device is completed. The entire production process is efficient and controllable. The first sealing cover 210 and the ink bottle 100, and the second sealing cover 230 and the connecting tube 310 are accurately positioned and sealed, ensuring the yield rate of the printer ink supply device.

[0040] During use, the ink bottle 100 is tilted to be inverted, and the ink suction nozzle of the printer is set on the connecting tube 310; then the printer ink supply device is pressed down, so that the ink suction nozzle pierces the second sealing cover 230 and pushes the ball 331 inward, and the spring 332 is compressed, so that the ink suction nozzle communicates with the connecting tube 310 through the through hole 241; then the ink filling component 300 is pressed down, so that the ejector pin 333 pierces the center position of the first sealing cover 210 and the sealing plug 220, so that the ink in the ink bottle 100 passes through multiple ink inlets 334 and enters the ink filling pipeline 311; finally, the ink in the ink filling pipeline 311 is supplemented into the printer ink tank through the through hole 241. After the ink filling operation is completed, the ink bottle 100 is taken out, and the spring 332 rebounds, so that the ball 331 is close to the sealing ring 240 to prevent the ink remaining in the ink filling pipeline 311 from leaking out. In addition, the printer ink supply device can be recycled after use, so that the printer ink supply device can be recycled.

[0041] From the above description, it can be seen that the ink supply device of the printer of the present invention is provided with a sealing component 200 and an ink adding component 300, and the sealing plug 220 and the sealing ring 240 can fit the ink bottle 100 and the connecting tube 310, so as to avoid ink leakage from the ink bottle 100 during transportation and installation, thereby ensuring the sealing and stability of the ink supply device of the printer; by providing a trigger part 330 and a connecting tube 310, the spring 332 can isolate the ink bottle 100 and the second sealing cover 230 through the ball 331 and the ejector pin 333, and when the trigger part 330 is pressed, the ejector pin 333 can pierce the sealing plug 220 and connect the ink bottle 100 and the connecting tube 310, so that the ink adding component 300 can stably supply ink, thereby improving The invention provides a printer ink supply device with improved stability and ease of use. By providing the first convex edge 110, it is ensured that the first sealing cover 210 can stably fix the sealing plug 220, thereby avoiding the situation where a gap exists between the upper end of the ink bottle 100 and the sealing assembly 200 and ink leakage occurs, thereby improving the stability of the printer ink supply device. By providing the clamping ring 321, it is prevented that the end cover 320 falls off the ink bottle 100 and affects the sealing and safety of the ink bottle 100. By providing the second convex edge 312, it is ensured that the second sealing cover 230 can stably fix the edge position of the sealing ring 240, thereby avoiding the situation where a gap exists between the upper end of the connecting tube 310 and the sealing assembly 200 and ink leakage occurs, thereby improving the stability of the printer ink supply device.

[0042] The embodiments of the present invention are described in detail above in conjunction with the accompanying drawings, but the present invention is not limited to the above embodiments, and various changes can be made within the knowledge scope of ordinary technicians in the technical field without departing from the purpose of the present invention.

Claims

1. A printer ink supply device, characterized in that: The invention comprises an ink bottle, a sealing component and an ink-filling component, wherein the sealing component is located between the ink-filling component and the ink bottle; the ink-filling component comprises a connecting tube, an end cover connected to the connecting tube, and a trigger part matched with the sealing component; the connecting tube and the trigger part are fixed to the ink bottle through the end cover; the trigger part is provided with a ball, a spring and an ejector pin, and the sealing component comprises a first sealing cover for sealing the ink bottle, a sealing plug matched with the first sealing cover, a second sealing cover for sealing the connecting tube, and a sealing ring matched with the second sealing cover; one end of the spring presses the ball against the sealing ring, and the other end of the spring presses the ejector pin against the sealing plug, so as to isolate the ink bottle from the second sealing cover.

2. A printer ink supply device according to claim 1, characterized in that: The upper end of the ink bottle is provided with a first convex edge, and the edge of the first sealing cover wraps the first convex edge to fix the sealing plug on the upper end of the ink bottle.

3. A printer ink supply device according to claim 2, characterized in that: The inner wall of the end cover is provided with a clamping ring, and the end cover is clamped on the first convex edge through the clamping ring and fixedly connected to the ink bottle.

4. A printer ink supply device according to claim 2, characterized in that: The upper end of the sealing plug is provided with a protrusion matched with the connecting pipe, and the lower end of the sealing plug is provided with a bottom edge matched with the inner wall of the ink bottle.

5. The ink supply device for a printer according to claim 1, characterized in that: An ink inlet is also provided at one end of the ejector pin away from the spring. When the ejector pin passes through the sealing plug, the ink bottle is connected to the connecting pipe through the ink inlet.

6. A printer ink supply device according to claim 5, characterized in that: The sealing ring is provided with a through hole matched with the ball; the connecting tube is provided with an ink-filling pipeline connected with the through hole and the ink inlet, and the trigger part is fixed in the ink-filling pipeline.

7. A printer ink supply device according to claim 6, characterized in that: The diameter of the through hole gradually increases in a direction away from the ball.

8. The ink supply device for a printer according to claim 5, characterized in that: The number of the ink inlets is multiple, and the ink inlets are evenly distributed at the lower end of the ejector pin.

9. The ink supply device for a printer according to claim 1, characterized in that: The upper end of the connecting pipe is provided with a second flange, and the edge of the second sealing cover wraps around the second flange to fix the sealing ring on the upper end of the connecting pipe.

10. The ink supply device for a printer according to claim 9, characterized in that: The upper end of the connecting pipe is also provided with a step, and the lower end of the sealing ring is provided with a convex ring. The sealing ring is inserted into the step through the convex ring to be sealed and connected with the connecting pipe.

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