Printer ink bottle cap

By designing a silicone ink ejector and a cutout structure on the printer ink bottle cap, combined with an air duct, the problems of slow ink ejection speed and leakage were solved, achieving rapid ink ejection and sealing effect, and reducing costs.

CN224028656UActive Publication Date: 2026-03-24HONGYILAI PLASTIC PROD (ZHONGSHAN) CO LTD
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-05-07
Publication Date
2026-03-24

AI Technical Summary

Technical Problem

Existing printer ink bottle caps cannot effectively utilize the air duct, resulting in slow ink output and easy leakage, which affects the user experience.

Method used

A printer ink bottle cap was designed, which uses a silicone ink dispensing element and a cut-out structure, combined with an air duct, to ensure pressure balance inside the ink bottle, prevent leakage, and improve ink dispensing speed through a sealing design.

Benefits of technology

This technology enables rapid ink dispensing from ink bottles, avoids ink leakage, reduces manufacturing costs, and improves production efficiency.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model belongs to the technical field of printers, and particularly relates to a printer ink bottle cover, which comprises an ink outlet piece, a middle cover and an outer cover, the middle cover is in threaded connection with an ink bottle, the ink outlet piece is arranged in the middle cover, the outer cover is covered on the middle cover, the ink outlet piece comprises a bottom sealing gasket and an 8-shaped boss, the 8-shaped boss is arranged on the bottom sealing gasket, and the middle cover is in threaded connection with the outer cover. A through groove is formed between the middle cover and the middle cover, an 8-shaped limiting groove is formed in the middle of the middle cover, the 8-shaped boss is inserted into the 8-shaped limiting groove, an ink outlet pipe is vertically arranged on one side of the top end of the 8-shaped boss, one end of the ink outlet pipe is communicated with the through groove, and the other end of the ink outlet pipe extends out of the 8-shaped limiting groove. A linear notch or a cross-shaped notch is formed in the middle of the other side of the top end of the 8-shaped boss. Due to the arrangement of the ink outlet piece, the number of parts of the ink bottle cover is reduced, air is guided in the ink outlet process of the ink bottle, the ink feeding speed of the ink bottle is increased, and ink leakage can be avoided.
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Description

TECHNICAL FIELD

[0001] The utility model belongs to printer technical field, concretely relates to a printer ink bottle cover. BACKGROUND

[0002] The ink bottle of the printer is a container for storing ink, usually used in ink jet printers. In order to prevent ink leakage during transportation or storage, the ink bottle is usually equipped with a sealing cover to prevent ink leakage during transportation or storage. Before use, the sealing cover needs to be opened, and then the entire ink bottle is inserted upside down into the mounting seat of the printer. The ink bottle is connected to the ink supply port of the printer through the ink supply tube to supply ink to the printer.

[0003] In order to improve the ink supply speed, the existing printer gradually sets an air guide pipe at the upper end of the ink supply port to balance the negative pressure in the ink bottle, so as to realize fast ink output of the ink bottle. However, the traditional ink bottle usually only has an ink supply tube and cannot make good use of the air guide pipe, so it cannot be connected to the air guide pipe of the printer, resulting in slow ink output of the ink bottle. Opening a hole in the top of the ink bottle by itself will cause ink leakage when the ink bottle is inserted upside down into the printer, which is not conducive to the use of the operator.

[0004] Therefore, how to provide a printer ink bottle cover that can improve the ink output speed and avoid ink leakage has become a problem that technicians in the field need to solve. UTILITY MODEL CONTENTS

[0005] In view of the problems existing in the prior art, the utility model discloses a printer ink bottle cover. The utility model can effectively improve the ink output speed by setting the ink outlet tube and the cutout of the silica gel ink outlet element, and the silica gel material can make the extruded slit or cross cut closed when not in use, thereby avoiding ink leakage.

[0006] To achieve the above-mentioned purpose, the utility model discloses the following scheme:

[0007] A printer ink bottle cover, comprising an ink outlet element, a middle cover and an outer cover, the middle cover is threadedly connected to the ink bottle, the ink outlet element is arranged in the middle cover, the outer cover is covered on the middle cover, the ink outlet element is integrally formed by silica gel material, comprising a bottom sealing pad and an 8-shaped boss, the 8-shaped boss is arranged on the bottom sealing pad, and a through groove is arranged between the two, the middle part of the middle cover is provided with an 8-shaped limiting groove, the 8-shaped boss is inserted into the 8-shaped limiting groove, the top end of the 8-shaped boss is vertically provided with an ink outlet tube on one side, one end of the ink outlet tube is in communication with the through groove, the other end of the ink outlet tube protrudes out of the 8-shaped limiting groove, and the top end of the 8-shaped boss is provided with a slit or a cross cut in the middle on the other side.

[0008] Further, the other side of the top end of the 8-shaped boss is provided with an arc-shaped protrusion inwardly, and the straight-line cut is arranged in the middle of the arc-shaped protrusion.

[0009] Further, the surface of the cross cut is covered with a sealing film layer.

[0010] Further, the internal through hole of the ink outlet pipe is a stepped hole, and the top internal diameter is reduced for reducing ink dripping.

[0011] Further, a small rubber plug is further included, the top of the small rubber plug is provided with a rubber handle, the small rubber plug is inserted into the ink outlet pipe, and the small rubber plug is used for sealing the ink outlet pipe.

[0012] Further, an internal rubber plug is further included, the internal rubber plug is inserted into the through groove, one end of the internal rubber plug is a circular protrusion, the internal rubber plug is used for plugging the ink outlet pipe, and the other end of the internal rubber plug is provided with a special-shaped protrusion and used for abutting against the cross cut.

[0013] Further, the inner top wall of the outer cover is provided with a plurality of cylindrical protrusions, and the cylindrical protrusions are used for sealing the ink outlet pipe.

[0014] Further, the inner top wall of the outer cover is provided with a guide column in the center, and the guide column is surrounded by the plurality of cylindrical protrusions.

[0015] Further, the inner wall of the outer cover is provided with a plurality of plug-in protrusions at the bottom, and the plug-in surface of the middle cover is provided with a plurality of V-shaped guide insertion grooves corresponding to the plug-in protrusions, and the guide column is used for sealing and positioning the ink outlet pipe.

[0016] Further, the left and right sides of the 8-shaped limiting groove are arranged in parallel, and the outer cover is provided with a baffle corresponding to the left and right sides of the 8-shaped limiting groove.

[0017] Further, the cylindrical protrusions of the outer cover are provided with two, and the two cylindrical protrusions are arranged in parallel with the baffle.

[0018] Further, the two cylindrical protrusions are both surrounded by sealing outer rings.

[0019] Further, a buffer gasket is further included, the buffer gasket is arranged between the middle cover and the ink bottle, and a plurality of ink outlet openings are arranged on the buffer gasket.

[0020] Further, the top end of the 8-shaped limiting groove is provided with a chamfer outwardly.

[0021] Compared with the prior art, the beneficial effects of the utility model are as follows:

[0022] 1. The utility model discloses a ink outlet pipe is set up on the ink outlet spare and is set up the cut -out structure on the other side, can carry out the air guide in the ink bottle ink outlet process, avoids the negative pressure in the ink bottle, has improved the ink bottle's ink -down speed greatly, the arc convex can make the air -guide character cut -out in the closed state normally, avoided the leakage of ink;

[0023] 2. The utility model discloses the bending structure design in the middle part of 8 -shaped boss, can improve the structural strength of silica gel ink outlet spare, makes the two sides of 8 -shaped boss pull each other, avoids the air pipe of printer and inserts the character cut -out when 8 -shaped boss force deformation recess;

[0024] 3. The utility model discloses ink bottle cap structure is simple, and the accessory is fewer, reduced manufacturing cost to improve its production efficiency;

[0025] 4. The utility model discloses the cylindrical convex is set up on the inner top wall of outer cover, can seal the ink outlet pipe, avoids the ink leakage from the ink outlet. DRAWINGS

[0026] Figure 1 It is the assembly schematic drawing of the utility model;

[0027] Figure 2 It is the assembly schematic drawing of ink outlet spare and middle cover in the utility model embodiment 1;

[0028] Figure 3 It is the structure schematic drawing of small rubber plug in the utility model embodiment 1;

[0029] Figure 4 It is the structure schematic drawing of ink outlet spare in the utility model embodiment 1 Figure 1 ;

[0030] Figure 5 It is the structure schematic drawing of ink outlet spare in the utility model embodiment 1 Figure 2 ;

[0031] Figure 6 It is the ink outlet spare of utility model embodiment 2 and looks down;

[0032] Figure 7 It is the ink outlet spare of utility model embodiment 3 and cuts the section view;

[0033] Figure 8 It is the structure schematic drawing of internal rubber plug in the utility model embodiment 3;

[0034] Figure 9 It is the structure schematic drawing of buffer gasket in the utility model embodiment 4;

[0035] Figure 10 It is the structure schematic drawing of outer cover in the utility model embodiment 5;

[0036] Figure 11 This is a schematic diagram of the cover structure in Embodiment 6 of this utility model;

[0037] Figure 12 This is a cross-sectional view of the main body in Embodiment 7 of this utility model;

[0038] Figure 13 This is a bottom view of the outer cover of Embodiment 7 of this utility model;

[0039] Figure 14 This is a schematic diagram of the cover structure in Embodiment 7 of this utility model;

[0040] Figure 15 This is a schematic diagram of the internal structure of the outer cover in Embodiment 8 of this utility model;

[0041] Figure 16 This is a schematic diagram of the middle cover structure in Embodiment 9 of this utility model.

[0042] In the diagram, 1—middle cover; 2—outer cover; 3—bottom sealing gasket; 4—figure-eight shaped boss; 5—figure-eight shaped limiting groove; 6—ink outlet tube; 7—arc-shaped protrusion; 8—straight cut; 9—small rubber plug; 10—rubber handle; 11—buffer pad; 12—guide post; 13—cylindrical protrusion; 14—insertion protrusion; 15—V-shaped guide slot; 16—cross cut; 17—internal rubber plug; 18—baffle; 19—sealing outer ring. Detailed Implementation

[0043] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.

[0044] Example 1

[0045] like Figures 1-5 As shown, this embodiment discloses a printer ink bottle cap, including an ink dispensing component, a middle cover 1 and an outer cover 2. The middle cover 1 is threaded onto the ink bottle, the ink dispensing component is disposed in the middle cover 1, and the outer cover 2 is mounted on the middle cover 1.

[0046] The ink outlet piece in the embodiment is integrally formed by using silica gel material, and comprises a bottom sealing gasket 3 and an 8-shaped boss 4, the 8-shaped boss 4 is arranged on the bottom sealing gasket 3, a through groove is arranged between the bottom sealing gasket 3 and the 8-shaped boss 4, a middle part of the middle cover 1 is provided with an 8-shaped limiting groove 5, the 8-shaped boss 4 is inserted into the 8-shaped limiting groove 5, a top end of the 8-shaped boss 4 is vertically provided with an ink outlet pipe 6, one end of the ink outlet pipe 6 is communicated with the through groove, the other end of the ink outlet pipe 6 protrudes out of the 8-shaped limiting groove 5, the other side of the top end of the 8-shaped boss 4 is inwardly provided with an arc-shaped protrusion 7, a middle part of the arc-shaped protrusion 7 is provided with a one-stroke notch 8, and the thickness of the arc-shaped protrusion 7 gradually decreases from inside to outside along the notch, so that the sealing performance of the one-stroke notch 8 is improved.

[0047] In order to realize the sealing of the ink outlet pipe 6, a small rubber plug 9 is further arranged, a rubber handle 10 is extended from a top part of the small rubber plug 9, the small rubber plug 9 is inserted into the ink outlet pipe 6 and located between the outer cover 2 and the middle cover 1, and the small rubber plug 9 is used for realizing the sealing of the ink outlet pipe 6.

[0048] When the ink bottle cover is used, the outer cover 2 is first opened, then the ink bottle is inverted, the ink outlet pipe 6 is inserted into the ink supply opening of the printer, and the air guide pipe of the printer is just inserted into the one-stroke notch 8 at the top end of the 8-shaped boss 4, so that the ink supply is realized, the pressure in the ink bottle is balanced, and the ink adding process, which originally takes several minutes, can be completed in thirty seconds.

[0049] Embodiment 2

[0050] As shown in the figure, Figure 6 the difference between the embodiment and the embodiment 1 is that a cross-shaped notch 16 is arranged in the middle part of the other side of the top end of the 8-shaped boss 4 in the embodiment, a 0.08mm sealing film layer is covered on the surface of the cross-shaped notch 16, the sealing film layer can prevent ink leakage and is easy to be broken to guide air.

[0051] Embodiment 3

[0052] As shown in the figure, Figures 7-8 the difference between the embodiment and the embodiment 2 is that the internal through hole of the ink outlet pipe 6 in the embodiment is a stepped hole, specifically, the inner diameter of the lower end of the ink outlet pipe 6 is 4mm, the inner diameter of the top end is 2.5mm, and the inner diameter of the top end is reduced to reduce ink dripping.

[0053] Furthermore, this embodiment also includes an internal rubber stopper 17, which is inserted into the through groove. One end of the internal rubber stopper 17 is a circular protrusion used to block the ink outlet tube 6, and the other end of the internal rubber stopper 17 is provided with an irregular protrusion used to block the cross-shaped cut 16. When the printer is not inserted, the ink outlet tube 6 is sealed by the circular protrusion, and the cross-shaped cut 16 is also completely sealed due to the presence of the sealing film layer. When the ink outlet component is inserted into the printer, the sealing film layer at the cross-shaped cut 16 breaks, and the irregular protrusion is pushed into the ink bottle by the printer's air duct. The circular protrusion is also pushed open, so that the ink outlet tube 6 is connected inside and outside, thereby accelerating ink output.

[0054] Example 4

[0055] like Figure 9 As shown, the difference between this embodiment and embodiment 1 is that this embodiment also includes a buffer pad 11. The buffer pad 11 is disposed between the middle cover 1 and the ink bottle. The buffer pad 11 is provided with several ink outlets. The buffer pad 11 can play a certain buffering role, can adjust the ink output speed, and prevent ink from flowing out immediately when the ink bottle head is facing down.

[0056] Example 5

[0057] like Figure 10 , Figure 13 As shown, the difference between this embodiment and embodiment 1 is that the small rubber plug 9 structure is not set in this embodiment. Instead, a guide post 12 is integrally formed in the center of the inner top wall of the outer cover 2, and several columnar protrusions 13 are injection molded around the guide post 12 for sealing the ink tube 6.

[0058] When the outer cover 2 seals the ink outlet tube 6, the cylindrical protrusion 13 can be inserted into the ink outlet tube 6 through the transparent outer cover 2. The guide post 12 and the side wall of the outer cover 2 together clamp the ink outlet tube 6, thereby sealing the opening of the ink outlet tube 6.

[0059] Example 6

[0060] like Figures 10-11 As shown, in this embodiment, the outer cover 2 has one cylindrical protrusion 13. To ensure that when the outer cover 2 is installed on the middle cover 1, the cylindrical protrusion 13 inside the outer cover 2 can be stably inserted into the ink tube 6 to form an effective seal, the bottom of the inner wall of the outer cover 2 is provided with an insertion protrusion 14. The insertion surface of the middle cover 1 is provided with a V-shaped guide slot 15 corresponding to the insertion protrusion 14. The insertion protrusion 14 and the V-shaped guide slot 15 can play a good guiding role. When the outer cover 2 is installed, the insertion protrusion 14 will rotate along the mating surface until it enters the V-shaped guide slot 15. At this time, the cylindrical protrusion 13 is just inserted into the opening of the ink tube 6. This avoids the situation where the cylindrical protrusion 13 and the ink tube 6 are not properly matched, thus avoiding ink leakage.

[0061] Example 7

[0062] like Figures 12-14 As shown, the difference between this embodiment and embodiment 6 is that in this embodiment, there are 6 cylindrical protrusions 13 surrounding the guide post 12. Correspondingly, the insertion protrusions 14 of the outer cover 2 and the V-shaped guide slots 15 of the middle cover 1 are also provided with 6 slots at equal intervals. This enables faster positioning and further improves the sealing speed of the outer cover 2 for the ink tube 6.

[0063] Example 8

[0064] like Figure 15 As shown, the difference between this embodiment and embodiment 1 is that the small rubber plug 9 structure is not set in this embodiment. In this embodiment, the left and right sides of the figure-eight limiting groove 5 are arranged in parallel. The outer cover 2 is provided with baffles 18 on the left and right sides of the figure-eight limiting groove 5. The outer cover 2 has two cylindrical protrusions 13. The two cylindrical protrusions 13 are arranged in parallel with the baffles 18. Both cylindrical protrusions 13 are surrounded by a sealing outer ring 19.

[0065] The baffle 18 provides good guidance and stability to the outer cover 2, while the sealing outer ring 19 further prevents ink leakage from the ink outlet tube 6.

[0066] Example 9

[0067] like Figure 16 As shown, the difference between this embodiment and embodiment 7 is that the outer side of the top of the figure-eight shaped limiting groove 5 of the middle cover 1 in this embodiment is chamfered, which can play a certain guiding role and facilitate the insertion of the figure-eight shaped limiting groove 5 into the printer.

[0068] The above description is merely a preferred embodiment of the present utility model and does not constitute any limitation on the technical scope of the present utility model. Therefore, any minor modifications, equivalent changes and alterations made to the above embodiments based on the technical essence of the present utility model shall still fall within the scope of the technical solution of the present utility model.

Claims

1. A printer ink bottle cap characterized by comprising: The ink outlet device comprises an ink outlet element, a middle cover and an outer cover, the middle cover is threadedly connected to an ink bottle, the ink outlet element is arranged in the middle cover, and the outer cover is covered on the middle cover; the ink outlet element is integrally formed by using silica gel material, and comprises a bottom sealing gasket and an 8-shaped boss, the 8-shaped boss is arranged on the bottom sealing gasket, and a through groove is arranged between the two; a middle part of the middle cover is provided with an 8-shaped limiting groove, the 8-shaped boss is inserted into the 8-shaped limiting groove, a top end of the 8-shaped boss is vertically provided with an ink outlet pipe on one side, one end of the ink outlet pipe is communicated with the through groove, and the other end of the ink outlet pipe protrudes out of the 8-shaped limiting groove; a top end of the 8-shaped boss is provided with a straight cut or a cross cut on the other side in the middle.

2. A printer ink bottle cap according to claim 1, wherein An arc-shaped protrusion is arranged inwardly on the other side of the top end of the 8-shaped boss, and the straight cut is arranged in the middle of the arc-shaped protrusion.

3. A printer ink bottle cap according to claim 1, wherein The surface of the cross cut is covered with a sealing film layer.

4. A printer ink bottle cap according to claim 1, wherein The through hole in the ink outlet pipe is a stepped hole, and the inner diameter of the top part is reduced to reduce ink dripping.

5. A printer ink bottle cap according to claim 1, wherein A small rubber plug is further arranged, the top part of the small rubber plug is provided with a rubber handle, the small rubber plug is inserted into the ink outlet pipe, and the small rubber plug is used for sealing the ink outlet pipe.

6. A printer ink bottle cap according to claim 3, wherein An inner rubber plug is further arranged, the inner rubber plug is inserted into the through groove, one end of the inner rubber plug is a circular protrusion, the circular protrusion is used for plugging the ink outlet pipe, and the other end of the inner rubber plug is provided with a special-shaped protrusion, and the special-shaped protrusion is used for pressing against the cross cut.

7. A printer ink bottle cap according to claim 1, wherein The inner top wall of the outer cover is provided with a plurality of columnar protrusions, and the columnar protrusions are used for sealing the ink outlet pipe.

8. A printer ink bottle cap according to claim 7, wherein A guide column is arranged at the center of the inner top wall of the outer cover, and the plurality of columnar protrusions are arranged around the guide column.

9. A printer ink bottle cap according to claim 7, wherein A plurality of V-shaped guide insertion grooves are arranged on the insertion surface of the middle cover corresponding to the insertion protrusions, and the guide column is used for sealing and positioning the ink outlet pipe.

10. A printer ink bottle cap according to claim 7, wherein The left and right sides of the 8-shaped limiting groove are arranged in parallel, and the outer cover is provided with baffles corresponding to the left and right sides of the 8-shaped limiting groove.

11. A printer ink bottle cap according to claim 10, wherein The columnar protrusions of the outer cover are provided with two, and the two columnar protrusions are arranged in parallel to the baffles.

12. A printer ink bottle cap according to claim 11, wherein The two columnar protrusions are both surrounded by sealing outer rings.

13. A printer ink bottle cap according to claim 1, wherein A buffer gasket is further arranged between the middle cover and the ink bottle, and a plurality of ink outlet openings are arranged on the buffer gasket.

14. The printer ink bottle cap of claim 1, wherein The top end of the 8-shaped limiting groove is provided with a chamfer.