Needle-shaped tube ink injector for printer ink cartridge

Abstract

The utility model relates to the technical field of ink injectors, in particular to a needle-shaped tube ink injector of a printer ink box, which comprises an ink box body, a fixing structure and an injection structure, the top of the ink box body is fixedly connected with an ink box cover, five injection holes I are arranged on the ink box cover, the fixing structure is arranged at the top of the ink box body, and the injection structure is arranged at the bottom of the ink box body. An injection structure is mounted on the fixing structure, and the fixing structure comprises a fixing plate, a second injection hole, a rubber plug, a sliding rod, a spring, a clamping plate and a rubber pad. The ink box is provided with the fixing structure and the injection structure, the sponge in the ink box body can be filled with ink through the fixing structure and the injection structure, and redundant ink can be squeezed out, so that insufficient filling or excessive filling is avoided, and the phenomena of ink emitting from the injection hole I and ink leakage from the nozzle are avoided. According to the utility model, the fixing structure is arranged and can be quickly fixed on the ink box cover, so that the position of the injection structure can be conveniently fixed, and subsequent operation is facilitated.

Description

Technical Field

[0001] The utility model belongs to the technical field of ink injectors, and in particular relates to a needle-shaped tube ink injector for a printer ink box. Background Art

[0002] At present, there are many inkjet printer ink cartridges on the market that are integrated, that is, the print nozzle and the ink container are integrated together, generally in the form of a sponge ink cartridge. This type of ink cartridge has a feature that after the user runs out of ink, the ink cartridge can be refilled and then continued to be used.

[0003] However, the existing ink injectors often manually inject ink into the ink cartridge. Since it is difficult to estimate the adsorption amount of the sponge in the ink cartridge, it is easy to cause under-filling or over-filling, or ink bubbling from the injection hole and ink leakage from the nozzle, which is inconvenient to use. Therefore, there is an urgent need for a printer ink cartridge needle tube ink injector to solve the above problems. Utility Model Content

[0004] In order to overcome the above-mentioned technical problems, the purpose of the utility model is to provide a needle tube ink injector for printer ink cartridges to solve the problem that the existing ink injectors mentioned in the above-mentioned background technology are often used to manually inject ink into the ink cartridge. Since it is difficult to estimate the adsorption amount of the sponge in the ink cartridge, it is easy to cause under-filling or over-filling, or ink bubbling from the injection hole and ink leakage from the nozzle, which is inconvenient to use.

[0005] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a printer ink cartridge needle tube ink injector, comprising an ink cartridge body, a fixing structure and an injection structure, the top of the ink cartridge body is fixedly connected to the ink cartridge cover, the ink cartridge cover is provided with five injection holes 1, the top of the ink cartridge body is installed with a fixing structure, the fixing structure is installed on the injection structure, the fixing structure comprises a fixing plate, injection hole 2, a rubber plug, a sliding rod, a spring, a clamping plate and a rubber pad.

[0006] Preferably, two injection holes 2 are provided on the fixing plate, three rubber stoppers are fixedly connected to the bottom of the fixing plate, and two sliding rods are slidably connected to the left and right sides of the fixing plate.

[0007] Preferably, the two sliding rods are fixedly connected to a clamping plate, and a side of the clamping plate close to the fixed plate is fixedly connected to one end of a spring.

[0008] Preferably, the other end of the spring is fixedly connected to a fixing plate, and a side of the clamping plate close to the fixing plate is fixedly connected to a rubber pad.

[0009] Preferably, the injection structure includes an injection tube, a sealing resin, a pull ring, a pull rod, a piston, an injection head 1 and an injection head 2.

[0010] Preferably, two injection tubes are provided, the bottom of the injection tube is fixedly connected to the sealing resin, the injection tube is slidably connected to the piston, and the top of the piston is fixedly connected to the pull rod.

[0011] Preferably, the top of the pull rod is fixedly connected to the pull ring, the inner wall of the sealing resin at the left end is fixedly connected to the injection head 1, and the inner wall of the sealing resin at the right end is fixedly connected to the injection head 2.

[0012] Compared with the prior art, the beneficial effects of the utility model are:

[0013] 1. The needle tube ink injector of the printer ink cartridge is provided with a fixing structure and an injection structure, and two sealing resins are inserted into the second injection hole, and the sealing resin is used to ensure that the second injection hole will not leak, so that the first injection head is inserted into the sponge in the ink cartridge body, and the second injection head is pressed against the sponge, and the pull ring at the right end is pulled to make the pull ring drive the piston to move upward, so that the injection tube at the right end extracts the air in the ink cartridge body. Since the three rubber plugs and the two sealing resins ensure that the ink cartridge body is a sealed environment, a negative pressure is formed in the ink cartridge body, and the piston at the left end moves downward under the external atmospheric pressure, and the ink in the injection tube at the left end is squeezed into the sponge of the ink cartridge body, and the excess ink not absorbed by the sponge is squeezed into the injection tube at the right end, thereby avoiding underfilling or overfilling and preventing ink from leaking from the nozzle of the ink cartridge body. The sponge in the ink cartridge body can be filled with ink through the fixing structure and the injection structure, and the excess ink will be squeezed out, thereby avoiding underfilling or overfilling, and there will be no ink bubbling from the first injection hole and ink leakage from the nozzle.

[0014] 2. This printer ink cartridge needle tube ink injector is provided with a fixed structure. First, suck a proper amount of ink into the injection tube at the left end, place the fixed plate on the top of the ink cartridge cover, pull the clamp to make the spring stretch under pressure, press the fixed plate, so that the three rubber plugs at the bottom of the fixed plate will block the three injection holes at the upper end, loosen the clamp, so that the clamp and the rubber pad clamp the ink cartridge cover, and fix the fixed plate on the ink cartridge cover. The fixed structure can be quickly fixed on the ink cartridge cover, which is convenient for fixing the position of the injection structure and facilitating subsequent operations. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 It is a front perspective schematic diagram of the utility model;

[0016] Figure 2 This is a schematic diagram of the explosion structure of the utility model;

[0017] Figure 3 This is a schematic diagram of the bottom of the fixed structure of the utility model;

[0018] Figure 4 This is a schematic diagram of the explosion structure of the fixed structure of the utility model;

[0019] Figure 5 It is a schematic diagram of the explosion structure of the injection structure of the utility model.

[0020] In the figure: 1. ink cartridge body; 11. ink cartridge cover; 12. injection hole 1; 2. fixing structure; 21. fixing plate; 22. injection hole 2; 23. rubber plug; 24. slide rod; 25. spring; 26. clamping plate; 27. rubber pad; 3. injection structure; 31. injection tube; 32. sealing resin; 33. pull ring; 34. pull rod; 35. piston; 36. injection head 1; 37. injection head 2. DETAILED DESCRIPTION

[0021] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0022] See also Figure 1-5 An embodiment of the utility model is provided: a needle tube ink injector for a printer ink cartridge, comprising an ink cartridge body 1, a fixing structure 2 and an injection structure 3, the top of the ink cartridge body 1 is fixedly connected to an ink cartridge cover 11, the ink cartridge cover 11 is provided with five injection holes 12, the top of the ink cartridge body 1 is provided with a fixing structure 2, the fixing structure 2 is provided with an injection structure 3, the fixing structure 2 comprises a fixing plate 21, an injection hole 22, a rubber plug 23, a sliding rod 24, a spring 25, a clamping plate 26 and a rubber pad 27.

[0023] Two injection holes 22 are provided on the fixing plate 21 . Three rubber stoppers 23 are fixedly connected to the bottom of the fixing plate 21 . Two sliding rods 24 are slidably connected to the left and right sides of the fixing plate 21 .

[0024] The two slide bars 24 are fixedly connected to a clamping plate 26 , and a side of the clamping plate 26 close to the fixing plate 21 is fixedly connected to one end of a spring 25 .

[0025] The other end of the spring 25 is fixedly connected to the fixing plate 21, and the side of the clamping plate 26 close to the fixing plate 21 is fixedly connected to the rubber pad 27. The fixing plate 21 is placed on the top of the ink cartridge cover 11, and the clamping plate 26 is pulled to make the spring 25 stretch under pressure, and the fixing plate 21 is pressed so that the three rubber plugs 23 at the bottom of the fixing plate 21 block the three injection holes 12 at the upper end, and the clamping plate 26 is loosened so that the clamping plate 26 and the rubber pad 27 clamp the ink cartridge cover 11, so that the fixing plate 21 is fixed on the ink cartridge cover 11.

[0026] The injection structure 3 includes an injection tube 31 , a sealing resin 32 , a pull ring 33 , a pull rod 34 , a piston 35 , an injection head 1 36 and an injection head 2 37 .

[0027] Two injection tubes 31 are provided. The bottom of the injection tube 31 is fixedly connected to the sealing resin 32 . The injection tube 31 is slidably connected to the piston 35 . The top of the piston 35 is fixedly connected to the pull rod 34 .

[0028] The top of the pull rod 34 is fixedly connected to the pull ring 33, the inner wall of the sealing resin 32 at the left end is fixedly connected to the injection head 1 36, and the inner wall of the sealing resin 32 at the right end is fixedly connected to the injection head 2 37. Pull the pull ring 33 at the right end, so that the pull ring 33 drives the piston 35 to move upward, and the injection tube 31 at the right end extracts the air in the ink cartridge body 1. The three rubber plugs 23 and the two sealing resins 32 ensure that the inside of the ink cartridge body 1 is a sealed environment, so that a negative pressure is formed in the ink cartridge body 1, and the piston 35 at the left end moves downward under the external atmospheric pressure, and the ink in the injection tube 31 at the left end is squeezed into the sponge of the ink cartridge body 1, and the excess ink not absorbed by the sponge is squeezed into the injection tube 31 at the right end.

[0029] Working principle:

[0030] When in use, first suck a proper amount of ink into the injection tube 31 at the left end, place the fixing plate 21 on the top of the ink cartridge cover 11, pull the clamping plate 26, so that the spring 25 is stretched under pressure, press the fixing plate 21, so that the three rubber plugs 23 at the bottom of the fixing plate 21 block the three injection holes 12 at the upper end, loosen the clamping plate 26, so that the clamping plate 26 and the rubber pad 27 clamp the ink cartridge cover 11, so that the fixing plate 21 can be quickly fixed on the ink cartridge cover 11 through the fixing structure 2, which is convenient for fixing the position of the injection structure 3 and facilitating subsequent operations, insert the two sealing resins 32 into the injection hole 22, and ensure that there is no leakage at the injection hole 22 through the sealing resin 32, so that the injection head 1 36 is inserted into the sponge in the ink cartridge body 1, and the injection head 2 37 is against the sponge, and pull. The pull ring 33 at the right end drives the piston 35 to move upward, so that the injection tube 31 at the right end extracts the air in the ink cartridge body 1. Since the three rubber plugs 23 and the two sealing resins 32 ensure that the ink cartridge body 1 is a sealed environment, a negative pressure is formed in the ink cartridge body 1. The piston 35 at the left end moves downward under the external atmospheric pressure, and the ink in the injection tube 31 at the left end is squeezed into the sponge of the ink cartridge body 1. The excess ink not absorbed by the sponge is squeezed into the injection tube 31 at the right end, thereby avoiding underfilling or overfilling and preventing ink from leaking from the nozzle of the ink cartridge body 1. The sponge in the ink cartridge body 1 can be filled with ink through the fixing structure 2 and the injection structure 3, and the excess ink will be squeezed out, thereby avoiding underfilling or overfilling, and there will be no ink bubbling from the injection hole 12 and ink leakage from the nozzle.

[0031] It is obvious to those skilled in the art that the present invention is not limited to the details of the exemplary embodiments described above, and that the present invention can be implemented in other specific forms without departing from the spirit or essential features of the present invention. Therefore, the embodiments should be regarded as exemplary and non-restrictive from any point of view, and the scope of the present invention is defined by the appended claims rather than the above description, and it is intended that all changes falling within the meaning and scope of the equivalent elements of the claims be included in the present invention. Any reference numeral in a claim should not be regarded as limiting the claim to which it relates.

Claims

1. A needle-shaped ink injector for a printer ink cartridge, comprising an ink cartridge body (1), a fixing structure (2) and an injection structure (3), characterized in that: The top of the ink cartridge body (1) is fixedly connected to the ink cartridge cover (11), and the ink cartridge cover (11) is provided with five injection holes (12). The top of the ink cartridge body (1) is provided with a fixed structure (2), and the fixed structure (2) is provided with an injection structure (3), and the fixed structure (2) comprises a fixed plate (21), injection holes (22), a rubber stopper (23), a sliding rod (24), a spring (25), a clamping plate (26) and a rubber pad (27).

2. A needle-shaped ink injector for a printer ink cartridge according to claim 1, characterized in that: The fixing plate (21) is provided with two injection holes 2 (22), the bottom of the fixing plate (21) is fixedly connected to three rubber stoppers (23), and the left and right sides of the fixing plate (21) are slidably connected to two sliding rods (24).

3. A needle-shaped ink injector for a printer ink cartridge according to claim 2, characterized in that: The two slide bars (24) are fixedly connected to a clamping plate (26), and one end of a spring (25) is fixedly connected to a side of the clamping plate (26) close to the fixed plate (21).

4. A needle-shaped ink injector for a printer ink cartridge according to claim 3, characterized in that: The other end of the spring (25) is fixedly connected to the fixing plate (21), and the side of the clamping plate (26) close to the fixing plate (21) is fixedly connected to the rubber pad (27).

5. A needle-shaped ink injector for a printer ink cartridge according to claim 1, characterized in that: The injection structure (3) comprises an injection tube (31), a sealing resin (32), a pull ring (33), a pull rod (34), a piston (35), an injection head 1 (36) and an injection head 2 (37).

6. A needle-shaped ink injector for a printer ink cartridge according to claim 5, characterized in that: Two injection tubes (31) are provided, the bottom of the injection tube (31) is fixedly connected to the sealing resin (32), the injection tube (31) is slidably connected to the piston (35), and the top of the piston (35) is fixedly connected to the pull rod (34).

7. A needle-shaped ink injector for a printer ink cartridge according to claim 6, characterized in that: The top of the pull rod (34) is fixedly connected to the pull ring (33), the inner wall of the sealing resin (32) at the left end is fixedly connected to the injection head one (36), and the inner wall of the sealing resin (32) at the right end is fixedly connected to the injection head two (37).

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