Sealing bottle cap structure for ink bottle

Abstract

The utility model relates to a sealing bottle cap structure for an ink bottle, and belongs to the technical field of ink bottle equipment. The upper cover, the lower cover and the sealing assembly are assembled in a matched mode to form a special ink bottle cover structure, the sealing assembly of a special structure is arranged between the lower cover and the bottle opening and matched with the limiting piece, the sealing performance of the bottle opening is ensured, the upper cover and the lower cover are assembled in a simple and closed mode through the limiting structures such as ribs, and the sealing performance of the bottle opening is improved. And the disassembly and assembly efficiency is improved. Different from a traditional sealing structure between a bottle cap and a bottle opening, the sealing performance is further improved on the basis that the ink adding nozzle is reserved, the problems of clamping, transferring, mutual nesting and the like of the ink bottles are solved, the production efficiency is improved, accurate installation of a sealing piece is facilitated, and the sealing performance is improved. The problems of sealing deformation, adhesion, leakage and the like are effectively solved.

Description

TECHNICAL FIELD

[0001] The utility model relates to a sealing bottle cap structure for ink bottle belongs to ink bottle equipment technical field. BACKGROUND

[0002] In order to seal and preserve printer ink, a refill bottle cap is usually installed on the bottle mouth of the printer ink bottle, and a silica gel ring is usually used to seal the ink adding nozzle, and a cutting opening is provided for adding ink. The sealing assembly of the ink adding nozzle is pressed from the bottom of the bottle cap upwards, and the sealing ring is limited between the bottom of the bottle cap and the bottle mouth of the ink bottle.

[0003] However, when the sealing ring is pressed during automated production, a certain proportion of the sealing ring may not be pressed in place or the sealing ring may wrinkle. This not only makes the structure relatively complex and not conducive to automated production, but also reduces efficiency. Without the auxiliary insertion positioning device, assembly may be difficult, and if the assembly deviates, it will inevitably affect the sealing performance of the ink bottle, causing ink to leak and other problems.

[0004] Therefore, the current printer ink bottle cap structure has the problems of difficult accurate assembly of the sealing ring and poor sealing performance after assembly, and a bottle cap structure that can optimize the above problems is still needed. SUMMARY

[0005] To solve the above problems, the utility model provides a sealing bottle cap structure for ink bottle, comprising:

[0006] The upper cap has a conical head and a hand rotating part connected to the tail end of the conical head, and the inner cavity of the conical head has a limiting structure;

[0007] The lower cap has a bottle mouth mounting seat connected to the bottle mouth of the ink bottle and a sealing mounting seat connected to the bottle mouth mounting seat, and the maximum diameter of the sealing mounting seat is smaller than that of the bottle mouth mounting seat;

[0008] The sealing assembly is arranged between the bottle mouth mounting seat and the bottle mouth of the ink bottle, and comprises a buckle and a sealing ring assembly arranged around the buckle.

[0009] Further, a plurality of ribs are arranged on the outer conical surface of the conical head.

[0010] Further, the limiting structure comprises a plurality of bones arranged on the inner cavity side wall of the conical head, and an annular limiting piece located on the inner cavity top wall of the conical head, and the plurality of bones are arranged in central symmetry around the annular limiting piece; The sealing mounting seat is a cylindrical structure and can cooperate with the annular limiting piece and the plurality of bones at the same time.

[0011] Further, a plurality of convex strips are arranged around the outer surface of the hand rotating part.

[0012] Further, the sealing ring assembly comprises a large sealing ring and a small sealing ring, the inner cavity of the sealing mounting base is matched with the buckle and the small sealing ring, the inner cavity top wall of the bottle mouth mounting base is provided with an annular limiting groove matched with the large sealing ring, and the inner cavity side wall of the bottle mouth mounting base is provided with an inner thread matched with the ink bottle bottle mouth.

[0013] Further, the buckle comprises a first shaft section and a second shaft section connected in sequence, the first shaft section is matched with the small sealing ring, and the inner shaft surface of the second shaft section is matched with the large sealing ring.

[0014] Further, the small sealing ring is provided with a cover part matched with the outer shaft surface of the first shaft section and a plug part matched with the inner shaft surface of the first shaft section, and the large sealing ring is provided with an annular shaft table matched with the annular limiting groove and a convex shaft table connected with the annular shaft table and matched with the inner shaft surface of the second shaft section.

[0015] Further, the outer wall of the bottle mouth mounting base is provided with an outer thread matched with the inner wall of the handheld rotating part in a threaded mode.

[0016] Further, the connecting position of the ink bottle bottle mouth and the ink bottle bottle body is provided with an inclined transition surface, a plurality of clamping blocks are arranged on the inclined transition surface, the inner cavity side wall of the bottle mouth mounting base is provided with an annular rack capable of being matched with the clamping blocks, and the annular rack is located below the inner thread.

[0017] The present application has the following beneficial effects:

[0018] The present application is characterized in that the upper cover, the lower cover and the sealing assembly are matched and assembled to form a special ink bottle cap structure, the sealing assembly and the limiting part with a special structure are arranged between the lower cover and the bottle mouth to ensure the sealing property of the bottle mouth, the simple and sealed assembly is formed between the upper cover and the lower cover through the limiting structure such as the bone strip, and the efficiency during disassembly and assembly is improved. Different from the sealing structure between the traditional cap and the bottle mouth, the present application not only retains the ink adding nozzle and further improves the sealing property, but also optimizes the problems such as clamping, transferring and mutual nesting of the ink bottle, improves the production efficiency, facilitates the accurate installation of the sealing part, and effectively solves the problems such as sealing deformation, adhesion and leakage. BRIEF DESCRIPTION OF DRAWINGS

[0019] Figure 1 It is a schematic view of the overall structure after assembly in an embodiment of the present application;

[0020] Figure 2 It is an exploded view of the overall structure in an embodiment of the present application;

[0021] Figure 3It is a schematic view of the inner cavity of the conical head part in an embodiment of the utility model;

[0022] Figure 4 It is a structural schematic view of the sealing assembly in an embodiment of the utility model;

[0023] Figure 5 It is a structural schematic view of the inner cavity of the bottle mouth mounting seat in an embodiment of the utility model.

[0024] Figure 6 It is a structural schematic view of the inner cavity of the bottle mouth mounting seat in an embodiment of the utility model.

[0025] In the drawing: 1, upper cover; 2, lower cover; 3, small sealing ring; 4, buckle; 5, large sealing ring; 6, ink bottle bottle mouth; 11, bone strip; 12, annular limiting piece; 13, hand-held rotating part; 21, bottle mouth mounting seat; 22, sealing mounting seat; 23, annular limiting groove; 24, annular rack; 31, cover part; 32, plug part; 41, first shaft section; 42, second shaft section; 51, convex shaft table; 52, annular shaft table. DETAILED DESCRIPTION

[0026] The technical scheme of the utility model will be described below in conjunction with the drawings. Obviously, the described embodiments are some of the embodiments of the utility model, not all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of the utility model.

[0027] In the description of the utility model, it needs to be explained that the orientation or position relationship indicated by the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer" and the like is the orientation or position relationship shown in the drawings, which is only for the convenience of describing the utility model and simplifying the description, and is not intended to indicate or imply that the indicated device or element must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as a limitation on the utility model. In addition, the terms "first", "second" are only for the purpose of description, and cannot be understood as indicating or implying relative importance. Among them, the terms "first position" and "second position" are two different positions.

[0028] In the description of the utility model, it needs to be explained that, unless otherwise explicitly specified and limited, the terms "mounting", "connection", "connection" should be understood broadly, for example, it can be fixed connection, can also be detachable connection; can be mechanical connection, can also be electrical connection; can be directly connected, can also be indirectly connected through an intermediate medium, can be the communication inside two elements. For those skilled in the art, the specific meaning of the above terms in the utility model can be understood according to the specific circumstances.

[0029] As Figures 1-6 shown, the utility model provides a sealing bottle cap structure for ink bottle, including:

[0030] The upper cover 1 has a conical head and a hand rotating part 13 connected to the tail end of the conical head, the inner cavity of the conical head has a limiting structure, a plurality of ribs are arranged on the outer conical surface of the conical head, which can strengthen the structural strength of the whole upper cover, the limiting structure includes a plurality of bones 11 arranged on the side wall of the inner cavity of the conical head and an annular limiting piece 12 located on the top wall of the inner cavity of the conical head, the plurality of bones are arranged in central symmetry around the annular limiting piece 12, the sealing mounting seat 22 is a cylindrical structure, the annular limiting piece 12 cooperates with the sealing mounting seat 22, the plurality of bones 11 abut against the side wall of the sealing mounting seat 22 at the same time and limit the sealing mounting seat 22, and a plurality of convex strips are arranged on the outer surface of the hand rotating part 13, which facilitates hand twisting,

[0031] In the production process of the ink bottle, the process combining hooking and rolling is often used, however, the cap is easy to be twisted due to the fact that the cap is not placed in place when rolling, the utility model adds a plurality of bones 11 in the upper cover 1, which not only plays a certain guiding role in the process, but also limits the sealing mounting seat 22 in the longitudinal and transverse directions, so that the sealing property between the upper cover 1 and the lower cover 2 is guaranteed when rotating,

[0032] The lower cover 1 has a bottle mouth mounting seat 21 connected to the bottle mouth of the ink bottle and a sealing mounting seat 22 connected to the bottle mouth mounting seat, the maximum diameter of the sealing mounting seat 22 is less than that of the bottle mouth mounting seat 21, the inner cavity top wall of the bottle mouth mounting seat 21 is provided with an annular limiting groove 23, and the inner cavity side wall of the bottle mouth mounting seat 21 is provided with an inner thread matched with the bottle mouth 6 of the ink bottle.

[0033] The sealing assembly is arranged between the bottle mouth mounting seat 21 and the bottle mouth 6 of the ink bottle and comprises a buckle 4 and a sealing ring assembly arranged around the buckle 4, the sealing ring assembly comprises a large sealing ring 5 located below the buckle 4 and a small sealing ring 3 located above the buckle 4, the inner cavity of the sealing mounting seat cooperates with the buckle 4 and the small sealing ring 3, the inner cavity top wall of the bottle mouth mounting seat 21 is provided with an annular limiting groove 23, and the annular limiting groove is matched with the large sealing ring 5, the buckle 4 comprises a first shaft section 41 and a second shaft section 42 connected in sequence, the first shaft section 41 cooperates with the small sealing ring 3, and the inner shaft surface of the second shaft section 42 cooperates with the large sealing ring 5, so that the sealing problem of the bottle mouth can be better solved, and ink leakage can be effectively avoided.

[0034] Further, the small sealing ring 3 has a cover part 31 matched with the outer shaft surface of the first shaft section 41 and a sealing part 32 matched with the inner shaft surface of the first shaft section 41, so as to form a cover structure covering one end of the first shaft section 41; the large sealing ring 5 has an annular shaft base 52 matched with the annular limiting groove 23 and a convex shaft base 51 connected with the annular shaft base 52 and matched with the inner shaft surface of the second shaft section 42, so as to not only increase the structural strength, but also solve the problems of sealing deformation and adhesion.

[0035] The inner cavity side wall of the bottle mouth mounting seat 21 is provided with an inner thread matched with the ink bottle bottle mouth 6, and the outer wall of the bottle mouth mounting seat 21 is provided with an outer thread matched with the inner wall thread of the handheld rotating part 13.

[0036] Further, the ink bottle bottle mouth 6 is provided with an inclined transition surface at the connection with the ink bottle bottle body, a plurality of clamping blocks are arranged on the inclined transition surface, the inner cavity side wall of the bottle mouth mounting seat 21 is provided with an annular rack 24 matched with the clamping blocks, and the annular rack 24 is located below the inner thread. After the above arrangement, the whole seal-free bottle cap can ensure that only the upper cover 1 is rotated and opened when being rotated counterclockwise, and the lower cover 2 is clamped and cannot be rotated and slipped with the bottle mouth mounting seat 21 due to the friction force in the non-use state.

[0037] Although the utility model has disclosed as above with preferred embodiments, it is not used to limit the utility model, anyone familiar with the technology can make various changes and modifications without departing from the spirit and scope of the utility model, therefore the protection scope of the utility model should be limited by the claims.

Claims

1. A sealing cap structure for ink bottles, characterized in that, include: The top cover has a conical head and a hand-held rotating part connected to the tail end of the conical head, and the inner cavity of the conical head has a limiting structure; The lower cover has a bottle mouth mounting seat for connecting to the mouth of an ink bottle and a sealing mounting seat for connecting to the bottle mouth mounting seat, wherein the maximum diameter of the sealing mounting seat is smaller than the maximum diameter of the bottle mouth mounting seat; A sealing assembly, disposed between the bottle neck mounting base and the ink bottle neck, includes a snap fastener and a sealing ring assembly disposed around the snap fastener.

2. The sealing cap structure according to claim 1, characterized in that, Multiple ribs are provided on the outer conical surface of the conical head.

3. The sealing cap structure according to claim 2, characterized in that, The limiting structure includes multiple bone strips disposed on the inner cavity sidewall of the conical head, and an annular limiting member located on the inner cavity top wall of the conical head. The multiple bone strips are centrally symmetrically distributed around the annular limiting member. The sealing mounting seat is a cylindrical structure and can cooperate with the annular limiting member and the multiple bone strips simultaneously.

4. The sealing cap structure according to claim 3, characterized in that, The outer surface of the handheld rotating part is surrounded by multiple raised strips.

5. The sealing cap structure according to claim 4, characterized in that, The sealing ring assembly includes a large sealing ring and a small sealing ring. The inner cavity of the sealing mounting base is fitted with the buckle and the small sealing ring. The top wall of the inner cavity of the bottle mouth mounting base is provided with an annular limiting groove, and the annular limiting groove is fitted with the large sealing ring. The side wall of the inner cavity of the bottle mouth mounting base is provided with an internal thread that mates with the mouth of the ink bottle.

6. The sealing cap structure according to claim 5, characterized in that, The buckle includes a first shaft segment and a second shaft segment connected in sequence. The first shaft segment mates with a small sealing ring, and the inner shaft surface of the second shaft segment mates with a large sealing ring.

7. The sealing cap structure according to claim 6, characterized in that, The small sealing ring has a cap portion that mates with the outer shaft surface of the first shaft segment and a plug portion that mates with the inner shaft surface of the first shaft segment; the large sealing ring has an annular shaft platform that mates with the annular limiting groove and a convex shaft platform that is connected to the annular shaft platform and mates with the inner shaft surface of the second shaft segment.

8. The sealing cap structure according to claim 6, characterized in that, The outer wall of the bottle neck mounting base is provided with an external thread that mates with the inner thread of the hand-held rotating part.

9. The sealing cap structure according to claim 7, characterized in that, An inclined transition surface is provided at the connection between the ink bottle mouth and the ink bottle body. Multiple snap-fit ​​blocks are provided on the inclined transition surface. The inner cavity sidewall of the bottle mouth mounting base is provided with an annular toothed rack that can cooperate with the snap-fit ​​blocks. The annular toothed rack is located below the internal thread.

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