Three-way pipe for ink-jet printer

Abstract

A three-way pipe for an ink-jet printer comprises a valve seat, a valve body is installed at the top of the valve seat, a plurality of ink inlet pipe fittings are arranged on one side of the valve body, a valve element is rotatably installed in the valve body, a plurality of ink passing pipelines are formed in the side wall of the valve element in a penetrating mode, and the ink passing pipelines are communicated with the ink inlet pipe fittings respectively. An ink outlet pipe assembly matched with the ink passing pipeline is arranged on the side, away from the ink inlet pipe fitting, of the valve body, and a driving piece matched with the valve element is installed at the bottom of the valve seat. The coding motor drives the valve element to rotate by a specific angle, so that the feeding pipe, the ink passing pipeline and the discharging pipe are communicated, different ink paths are communicated through rotation of the valve element, after the ink paths are communicated, the coding motor stops working, the valve element is kept still, electronic components are prevented from high temperature caused by long-time working, and the service life of the electronic components is prolonged. Ink is affected, power consumption of equipment is reduced, and power cost is saved.

Description

Technical Field

[0001] The utility model relates to the technical field of printers, in particular to a three-way pipe for inkjet printers. Background Art

[0002] Inkjet printers use a mixture of various colors of ink to print images or text. Inkjet printers can accurately spray a large number of tiny ink droplets onto the media to be printed, forming images or text with bright colors, making them suitable for printing high-quality pictures and charts.

[0003] The core of an inkjet printer is the printing device. In addition to the print nozzle, the printing device also has various pipelines that transport inks of various colors to the nozzle. The inkjet printer is also equipped with a cleaning device and a moisturizing device. The cleaning device and the moisturizing device can clean and moisturize the ink path of the inkjet printer. Therefore, the cleaning device and the moisturizing device need to be connected to each ink path.

[0004] The existing technology usually uses solenoid valves to realize the connection and disconnection between the cleaning device and the moisturizing device and the ink path. The solenoid valves are used to control the cleaning device and the moisturizing device to be connected to the ink path separately to transport the cleaning liquid or the moisturizing liquid. However, when the cleaning liquid and the moisturizing liquid are being transported, the solenoid valve needs to work continuously. The long-term operation of the solenoid valve will cause high temperature, which will affect the ink passing through the solenoid valve. In addition, the long-term operation of the solenoid valve consumes a lot of electricity, which will increase the electricity cost. Utility Model Content

[0005] In view of the above situation, in order to overcome the defects of the existing technology, the purpose of the present invention is to provide a three-way pipe for an inkjet printer, which effectively solves the problem that the solenoid valve will cause high temperature when working for a long time, affecting the ink passing through the solenoid valve, and the solenoid valve will consume a lot of power when working for a long time, which will increase the electricity cost.

[0006] The technical solution is a three-way pipe for an inkjet printer, comprising a valve seat, a valve body mounted on the top of the valve seat, and a plurality of ink inlet pipes disposed on one side of the valve body, the plurality of ink inlet pipes being respectively used to admit inks of different colors, cleaning fluids, or moisturizing fluids;

[0007] A valve core is rotatably mounted inside the valve body, and a plurality of ink passages are formed through a side wall of the valve core. The plurality of ink passages are respectively connected to a plurality of ink inlet pipes. An ink outlet pipe assembly is provided on a side of the valve body facing away from the ink inlet pipes, and the ink outlet pipe assembly is used to deliver inks of different colors, cleaning fluids, or moisturizing fluids into the same ink path.

[0008] A driving member matched with the valve core is installed at the bottom of the valve seat, and the driving member is used to drive the valve core to rotate.

[0009] Preferably, the plurality of ink passages are opened in sequence along the outer wall of the valve core and tilted downward, and the plurality of ink passages are opened in a circular manner through the side wall of the valve core.

[0010] Preferably, the ink feed pipe is a feed pipe, one end of each of the feed pipes is respectively arranged on the outer wall of one side of the valve body, and the feed pipe is connected to the ink passage at the same height.

[0011] Preferably, the ink outlet tube assembly includes a plurality of connecting tubes, a collecting tube and a discharge tube, one end of each of the connecting tubes is respectively arranged on the outer wall of the valve body away from the feed tube, and the connecting tubes are connected to the ink passage at the same height, the side of each of the connecting tubes away from the valve body is connected through the collecting tube, and the discharge tube is arranged in the middle of the collecting tube away from the connecting tube.

[0012] Preferably, a valve core installation groove is opened inside the valve body, a valve core limiting ring is provided on the top of the valve body, the valve core is rotatably installed in the valve core installation groove, and the top of the valve core abuts against the bottom of the valve core limiting ring.

[0013] Preferably, the driving component is an encoding motor, the top of the encoding motor is installed on the bottom of the valve seat, and the output end of the encoding motor is connected to the bottom of the valve core.

[0014] Preferably, the plurality of connecting tubes are symmetrical with the plurality of feed tubes respectively, and the feed tubes are connected with the discharge tube through the ink passage, the connecting tube and the collecting tube.

[0015] Compared with the prior art, the beneficial effects of the present invention are:

[0016] The utility model drives the valve core to rotate a specific angle through an encoding motor, so that the feed pipe, the ink passage pipe and the discharge pipe are connected. Through the rotation of the valve core, different ink paths are connected. After the ink paths are connected, the encoding motor stops working and the valve core remains stationary, avoiding the electronic components from working for a long time and generating high temperature, which affects the ink, reduces the power consumption of the equipment, and saves electricity costs. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 The utility model is a schematic structural diagram of a three-way pipe used in an inkjet printer from a first viewing angle.

[0018] Figure 2 This utility model Figure 1 Schematic diagram of the explosion structure.

[0019] Figure 3 This utility model Figure 1 Schematic diagram of the cross-sectional structure.

[0020] Figure 4 It is a structural schematic diagram of the valve body of the utility model.

[0021] Explanation of the numbers in the schematic diagram:

[0022] 1. Valve seat; 2. Valve body; 21. Valve core mounting groove; 22. Valve core limiting ring; 3. Feed pipe; 4. Valve core; 5. Ink pipe; 6. Connecting pipe; 7. Collecting pipe; 8. Discharge pipe; 9. Encoder motor. DETAILED DESCRIPTION

[0023] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the embodiments described are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making creative efforts are within the scope of protection of the present invention.

[0024] Depend on Figures 1 to 2 Provided is a three-way pipe for an inkjet printer, comprising a valve seat 1, a valve body 2, an ink inlet pipe, a valve core 4, an ink passage 5, an ink outlet pipe assembly and a driving component.

[0025] Depend on Figures 2 to 3 It is given that the valve body 2 is installed on the top of the valve seat 1, and the ink inlet pipe is a feed pipe 3. Two feed pipes 3 are provided, and one end of the two feed pipes 3 is respectively provided on the outer wall of one side of the valve body 2. The two feed pipes 3 are respectively connected to the cleaning device and the moisturizing device.

[0026] Depend on Figures 3 and 4 It is shown that a valve core mounting groove 21 is provided inside the valve body 2, and the valve core 4 is rotatably installed in the valve core mounting groove 21. A valve core limiting ring 22 is provided on the top of the valve body 2, and the top of the valve core 4 abuts against the bottom of the valve core limiting ring 22; there are two ink passages 5, and the two ink passages 5 respectively pass through the side walls of the valve core 4, and the two ink passages 5 are opened at different heights, and the two ink passages 5 are opened at the same height as the two feed pipes 3, and the ink passages 5 at the same height are connected to the feed pipes 3 at the same height.

[0027] Depend on Figures 2 to 4 As shown, the ink outlet tube assembly is installed on the outer wall of the valve body 2 on the side away from the feed tube 3 , and the ink outlet tube assembly includes a connecting tube 6 , a collecting tube 7 and a discharge tube 8 .

[0028] There are two connecting tubes 6, and both connecting tubes 6 are installed on the outer wall of the valve body 2 away from the feed tube 3. The two connecting tubes 6 are opened at the same height as the two feed tubes 3. One connecting tube 6, one feed tube 3 and one ink passage 5 form a group. Each group of connecting tubes 6, feed tubes 3 and ink passage 5 are set at the same height, and each group of connecting tubes 6, feed tubes 3 and ink passage 5 can be connected.

[0029] The two ink passages 5 are in a cross structure. When the valve core 4 is rotated 90 degrees, the bottom feed pipe 3 is connected to the bottom ink passage 5 and the bottom connecting pipe 6; when the valve core 4 is rotated 90 degrees again, the top feed pipe 3 is connected to the top ink passage 5 and the top connecting pipe 6.

[0030] The two connecting pipes 6 are connected through a collecting pipe 7 at one end away from the valve body 2, and a discharge pipe 8 is arranged in the middle of the collecting pipe 7 on the side away from the connecting pipe 6. The other side of the discharge pipe 8 is connected to the ink path, so that the cleaning liquid or moisturizing liquid enters the ink path.

[0031] For example, the moisturizing device is connected to the top feed pipe 3, the moisturizing liquid enters the feed pipe 3, then enters the top ink pipe 5, then enters the top connecting pipe 6 and then enters the collecting pipe 7, and finally enters the ink path from the discharge pipe 8 to moisturize the ink path.

[0032] For example, the cleaning device is connected to the bottom feed pipe 3, the cleaning liquid enters the feed pipe 3, then enters the bottom ink pipe 5, then enters the bottom connecting pipe 6 and then enters the collecting pipe 7, and finally enters the ink path from the discharge pipe 8 to clean the ink path.

[0033] Specifically, the device can be provided with a plurality of ink passages 5, and the plurality of ink passages 5 are opened in sequence along the outer wall of the valve core 4 at an angle downward, and the plurality of ink passages 5 are opened in a circular manner on the side wall of the valve core 4. The number of feed pipes 3 and connecting pipes 6 is the same as the number of the plurality of ink passages 5, and one end of the feed pipe 3 and the connecting pipe 6 is respectively provided on the outer walls on both sides of the valve body 2, and the valve core 4 can rotate. When the valve core 4 rotates a certain angle, the two ends of one of the ink passages 5 will be respectively connected to the feed pipe 3 and the connecting pipe 6 at the same height.

[0034] Depend on Figure 1 and Figure 2 It is given that the driving component is an encoding motor 9, the top of the encoding motor 9 is installed on the bottom of the valve seat 1, the output end of the encoding motor 9 is connected to the bottom of the valve core 4, the encoding motor 9 drives the valve core 4 to rotate, and the angle of rotation of the valve core 4 each time the encoding motor 9 is driven is determined by programming.

[0035] The beneficial effects obtained by the valve seat 1, valve body 2, feed pipe 3, valve core 4, ink passage 5, connecting pipe 6, collecting pipe 7 and discharge pipe 8 and encoding motor: the utility model drives the valve core 4 to rotate a specific angle through the encoding motor 9, so that the feed pipe 3, ink passage 5 and discharge pipe 8 are connected. Through the rotation of the valve core 4, different ink paths are connected, and after the ink paths are connected, the encoding motor 9 stops working and the valve core 4 remains stationary, avoiding the high temperature generated by electronic components during long-term operation and the impact on ink, reducing equipment power consumption and saving electricity costs.

[0036] When the utility model is used, the encoding motor 9 drives the valve core 4 to rotate, and the valve core 4 rotates a certain angle. The two ends of one ink passage 5 will be connected to the feed pipe 3 and the connecting pipe 6 at the same height, thereby realizing the connection between the cleaning device or moisturizing device and the ink path separately.

[0037] Although the embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and variations may be made to these embodiments without departing from the principles and spirit of the present invention, and the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A three-way pipe for an inkjet printer, characterized in that: It comprises a valve seat (1), a valve body (2) is installed on the top of the valve seat (1), and a plurality of ink inlet pipes are arranged on one side of the valve body (2), and the plurality of ink inlet pipes are respectively used to enter inks, cleaning liquids or moisturizing liquids of different colors; A valve core (4) is rotatably mounted inside the valve body (2), and a plurality of ink passages (5) are provided through the side wall of the valve core (4), and the plurality of ink passages (5) are respectively connected to a plurality of ink inlet pipes, and an ink outlet pipe assembly matched with the ink passage (5) is provided on a side of the valve body (2) away from the ink inlet pipe, and the ink outlet pipe assembly is used to transport inks, cleaning liquids or moisturizing liquids of different colors into the same ink path; A driving member matching the valve core (4) is installed at the bottom of the valve seat (1), and the driving member is used to drive the valve core (4) to rotate.

2. The three-way pipe for an inkjet printer according to claim 1, characterized in that: The plurality of ink passages (5) are opened in sequence along the outer wall of the valve core (4) and are inclined downward, and the plurality of ink passages (5) are opened in a circular manner and penetrate the side wall of the valve core (4).

3. A three-way pipe for an inkjet printer according to claim 2, characterized in that: The ink feed pipe is a feed pipe (3), one end of each of the feed pipes (3) is respectively arranged on the outer wall of one side of the valve body (2), and the feed pipe (3) is connected to the ink passage (5) at the same height.

4. A three-way pipe for an inkjet printer according to claim 3, characterized in that: The ink outlet pipe assembly comprises a plurality of connecting pipes (6), a collecting pipe (7) and a discharge pipe (8), one end of each of the plurality of connecting pipes (6) is respectively arranged on the outer wall of the valve body (2) away from the feed pipe (3), and the connecting pipe (6) is connected to the ink passage (5) at the same height, the side of each of the plurality of connecting pipes (6) away from the valve body (2) is connected via the collecting pipe (7), and the discharge pipe (8) is arranged in the middle of the side of the collecting pipe (7) away from the connecting pipe (6).

5. The three-way pipe for an inkjet printer according to claim 1, characterized in that: A valve core installation groove (21) is provided inside the valve body (2), a valve core limiting ring (22) is provided on the top of the valve body (2), the valve core (4) is rotatably installed in the valve core installation groove (21), and the top of the valve core (4) abuts against the bottom of the valve core limiting ring (22).

6. The three-way pipe for an inkjet printer according to claim 1, characterized in that: The driving component is an encoding motor (9), the top of the encoding motor (9) is installed on the bottom of the valve seat (1), and the output end of the encoding motor (9) is connected to the bottom of the valve core (4).

7. A three-way pipe for an inkjet printer according to claim 4, characterized in that: The plurality of connecting tubes (6) are symmetrical with the plurality of feed tubes (3), respectively, and the feed tubes (3) are connected to the discharge tube (8) through the ink passage (5), the connecting tube (6), and the collecting tube (7).

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