CN217228554U - Improved hollow plug assembly and built-in bottle cap - Google Patents

Abstract

The utility model provides an improved hollow plug component, a hollow plug 1 with a central axial direction as a through hole and an integrated structure is sleeved in a fixed ring hook 2 with a central axial direction as a through hole and an integrated structure; the hollow plug 1 comprises a lip part, a thread part 12, a middle wing ring, a first combining part and a ring groove part from top to bottom; the lower part of the fixed ring hook 2 from top to bottom is provided with an upper wing ring 21, a combining part II and a plurality of fixed hooks arranged circumferentially at the lower end; the lower end surface of the middle wing ring is matched with the upper end surface of the upper wing ring for up-and-down limiting, and the outer diameter of the middle wing ring is smaller than that of the upper wing ring 21; the outer periphery of the first combining part is tightly matched with the inner periphery of the second combining part, and the upper outer anti-skidding teeth and the lower inner anti-skidding teeth limit circumferential rotation between the two parts; the inner hook is snapped into the ring groove. The utility model also provides a built-in bottle lid that contains above-mentioned hollow stopper subassembly, it still contains anti-fake ring 3 and gag subassembly, and the screw thread portion 12 of hollow stopper 1 cooperates with the internal thread 61 in the gag subassembly, and holding tank 71 is arranged in to anti-fake tooth 31 of anti-fake ring 3.

Description

Improved hollow plug assembly and built-in bottle cap

Technical Field

The utility model relates to a bottle sealing technical field, in particular to a cap of a bottle or an altar type container which is used for containing liquid and has a long neck.

Background

Some industries, such as the white spirit industry, have high requirements for packaging bottled products. While ensuring the sealing, the anti-counterfeiting requirement is also met. One requirement is that the sealing structure needs an inner layer and an outer layer, and the outer layer structure needs to be damaged to a certain extent when being opened and cannot be completely restored; the inner layer structure can be provided with (sprayed or etched) anti-counterfeiting marks (such as anti-counterfeiting codes and traceable information). In order to overcome the defects of the prior art, the applicant's utility model No. 202021262676.5 provides a ' hollow plug component, a plug cover component, a built-in bottle cap and a bottle mouth sealing structure ', wherein the hollow plug component is composed of a hollow plug, a fixed ring hook and a thread fixed ring, and then the hollow plug component and the plug cover component form the built-in bottle cap. The hollow plug assembly in this patent requires the aforementioned three components, which are relatively complex in both structure and fabrication process. The utility model provides a hollow plug subassembly and use built-in bottle lid of this subassembly that institutional advancement's structure is simpler.

Disclosure of Invention

The technical contents of the present invention will be described in detail below.

Hollow plug assembly

A hollow plug assembly comprises a hollow plug and a fixing ring hook, wherein the hollow plug is of an integrated structure, the center axis of the hollow plug is a through hole, and the fixing ring hook is of an integrated structure, the center axis of the fixing ring hook is a through hole.

The hollow plug is provided with a lip opening part, a thread part, a middle wing ring, a first combining part, a ring groove part, a lower outer anti-skidding tooth at the periphery of the first combining part and an upper outer anti-skidding tooth at the periphery of the middle wing ring from top to bottom. The lower end of the hollow plug is provided with an external chamfer. The lip portion may be a portion higher than the threaded portion, or the lip portion may be a combination of the two portions, that is, the upper end opening position of the threaded portion may be the lip portion.

The upper part and the lower part of the fixed ring hook from top to bottom are provided with an upper wing ring, a second combining part and a plurality of fixed hooks with the lower ends arranged in the circumferential direction, the inner hole of each fixed ring hook is provided with a lower inner anti-skidding tooth, the outer side of each fixed hook is provided with an outer hook, and the inner side of each fixed hook is provided with an inner hook.

The hollow plug and the fixing ring hook are combined to form the hollow plug component. The hollow plug is plugged into the middle hole of the fixing ring hook from top to bottom, and the hollow plug and the middle hole are combined into a whole, wherein: the lower end surface of the middle wing ring is matched with the upper end surface of the upper wing ring for up-and-down limiting, and the outer diameter of the middle wing ring is smaller than that of the upper wing ring; the outer periphery of the first combining part is tightly matched with the inner periphery of the second combining part, and the upper outer anti-skidding teeth and the lower inner anti-skidding teeth limit circumferential rotation between the two parts; the inner hook is snapped into the ring groove.

As the preferred scheme, the filter plate is arranged in the inner hole of the hollow plug, so that foreign matters can be prevented from entering, and the flow rate of the content liquid (such as white wine) can be reduced and stabilized.

As the preferred scheme, the lower end of the hollow plug is provided with an external chamfer angle, so that the hollow plug is convenient to assemble with the fixing ring hook.

Preferably, the outer peripheral surface of the second combining part in the middle of the fixing ring hook is provided with a plurality of annular ribs.

Preferably, the edge of the upper wing ring of the fixing ring hook is provided with a notch which can be matched with the protrusion on the bottle mouth edge to limit the circumferential sliding of the bottle mouth edge.

(II) built-in bottle cap

The hollow plug component, the anti-counterfeiting ring and the plug cover component form the built-in bottle cap with the utility model.

The anti-fake ring is provided with a plurality of anti-fake teeth positioned on the upper surface and inner anti-skid teeth positioned on the inner circumferential surface.

The plug cover assembly of the embodiment can adopt the structure of the plug cover assembly in the utility model patent of the background art 202021262676.5, and comprises an inner plug piece and a thread outer cover, wherein the inner plug piece is nested at the upper part of the inner cavity of the thread outer cover, and the lower part is a plug body; the lower part of the inner cavity wall of the threaded outer cover is provided with internal threads, and the lower edge of the outer wall is provided with a through or non-through accommodating groove. The inner plug part is formed by fixedly connecting an inner plug and an inner cover, and can be integrally formed, and the inner cover is nested at the upper part of the inner cavity of the threaded outer cover. The screw thread outer cover consists of an inner layer screw thread cover and an outer layer outer cover which are nested in a close fit mode, the inner cavity of the screw thread cover forms the inner cavity of the screw thread outer cover, and the accommodating groove is formed in the lower edge of the outer wall of the outer cover.

The inner plug member may also have only an inner plug, without an inner cap; the inner plug member serves as a seal for insertion into the lip portion 11 of the hollow plug, and may be omitted and replaced with a conventional seal gasket. The threaded outer cap can also be a unitary structure, i.e., the inner threaded cap and the outer cap are not separated, but are integral.

The built-in bottle cap comprises a hollow plug component, an anti-counterfeiting ring and a plug component; the thread part of the hollow plug is matched with the internal thread in the plug cover component, the anti-counterfeiting ring is sleeved outside the wing ring in the middle of the hollow plug and is clamped between the outer cover and the wing ring on the upper part of the fixed ring hook, and the anti-counterfeiting teeth are arranged in the accommodating groove. The upper inner anti-skid teeth of the anti-counterfeiting ring are matched with the upper outer anti-skid teeth of the middle wing ring to limit the circumferential sliding of the anti-counterfeiting ring and the middle wing ring.

The actual seal assembly process is: firstly, the fixing ring hook is plugged into the bottle mouth, the lower end of the wing ring at the upper part of the fixing ring hook is matched with the upper end of the bottle mouth for limiting, the outer hook of the fixing ring at the lower part of the fixing ring hook is clamped into a clamping groove of the inner wall of the bottle mouth (refer to the utility model patent of the background technology 202021262676.5), and the periphery of the joint part at the middle part of the fixing ring hook is matched with the inner wall of the bottle mouth. And secondly, the plug cover assembly is screwed with the hollow plug through internal threads and thread parts, the anti-counterfeiting teeth of the anti-counterfeiting ring are aligned to the accommodating groove of the accommodating cover, and the anti-counterfeiting ring is sleeved outside the middle wing ring of the hollow plug. And thirdly, utilizing the assembled parts in the first two steps, inserting the hollow plug into the middle hole of the fixing ring hook from top to bottom to combine the hollow plug component. The second combining part of the fixing ring hook is extruded between the first combining part of the hollow plug and the inner wall of the bottle mouth, and the three parts form tight fit. The annular rib 221 on the periphery of the second connecting part 22 is used for adapting to extrusion deformation during assembly and ensuring reliable sealing.

The annular groove part of the hollow plug forms outward extrusion force for the fixing hook of the fixing ring hook, and the fixing hook is clamped between the annular groove part and the clamping groove in the inner wall of the bottle mouth. So that the hollow plug can not be pulled out from the fixing ring hook 2 and the hollow plug component can not be pulled out from the bottle mouth integrally.

When the bottle cap is opened, the anti-counterfeiting teeth are damaged and cannot be restored in the process of unscrewing the outer cap, so that the anti-counterfeiting effect is achieved.

Drawings

Fig. 1 to fig. 6 show a schematic view of a hollow plug assembly according to the present invention, wherein:

FIG. 1 is a schematic longitudinal cross-sectional view of a hollow plug of the hollow plug assembly;

FIG. 2 is a schematic view of a retaining ring hook in the hollow plug assembly;

FIG. 3 is a cross-sectional view A-A of FIG. 2;

FIG. 4 is a top view of FIG. 2;

FIG. 5 is a schematic view of a process for making a retaining ring hook;

FIG. 6 is a schematic view of the combination of the hollow plug and the securing ring hook as a hollow plug assembly;

fig. 7 is a sectional view taken along line a-a of fig. 6.

Fig. 8 is a schematic perspective view of the middle anti-counterfeit ring of the present invention.

Fig. 9 and 10 are schematic views of the plug cover assembly of the present invention, wherein:

FIG. 9 is a schematic view of the closure assembly profile;

fig. 10 is a longitudinal sectional view in the front-rear direction of fig. 9.

Fig. 11 and 12 are schematic views of the built-in bottle cap of the present invention, wherein:

FIG. 11 is a schematic view of the external shape of the built-in bottle cap;

fig. 12 is a schematic sectional view taken along line a-a of fig. 11.

FIG. 13 is a schematic cross-sectional view of another embodiment of the middle plug cover assembly of the present invention;

fig. 14 is a schematic cross-sectional view of an interior bottle cap utilizing the closure assembly of fig. 13.

The labels in the figure are: 1. the filter comprises a hollow plug, 11 lip parts, 12 screw thread parts, 13 middle wing rings, 14 combination parts I, 15 ring groove parts, 16 lower outer anti-slip teeth, 17 upper outer anti-slip teeth, 18 filter plates, 2 fixed ring hooks, 21 upper wing rings, 22 combination parts II, 23 fixed hooks, 211 lower inner anti-slip teeth, 212 notches, 221 annular ribs, 231 outer hooks and 232 inner hooks; 3. the anti-fake ring, the anti-fake teeth 31, the anti-skid teeth 32, the upper inner anti-skid teeth; 4. the inner plug, 5, the inner cover, 6, the thread cover, 61, the internal thread, 7, the outer cover, 71, the accommodating groove, 72, the pin hole and 73, the pin.

Detailed Description

The following describes embodiments of the present invention with reference to the drawings, and describes in sequence the four subjects of the present invention.

Hollow plug assembly

As shown in fig. 1-6. A hollow plug assembly comprises a hollow plug 1 with a through hole in the central axial direction and a fixing ring hook 2 with a through hole in the central axial direction.

As shown in fig. 1: the hollow plug 1 comprises a lip part 11, a thread part 12, a middle wing ring 13, a first combining part 14, a ring groove part 15, a lower outer anti-skidding tooth 16 arranged on the periphery of the first combining part 14, an upper outer anti-skidding tooth 17 arranged on the periphery of the middle wing ring 13, a filter plate 18 arranged in an inner hole of the hollow plug 1 and an outer chamfer angle arranged at the lower end of the hollow plug 1 from top to bottom. The lip portion 11 in this example is a part higher than the screw portion 12, and in another embodiment, the two parts may be combined, that is, the upper end opening position of the screw portion 12 may be the lip portion 11.

As shown in fig. 2 to 4: the lower parts of the fixed ring hooks 2 from top to bottom are upper wing rings 21, a second combining part 22 and a plurality of fixed hooks 23 arranged at the lower end in the circumferential direction, the upper wing rings 21 are provided with notches 212, lower inner anti-skidding teeth 211 are arranged in inner holes of the fixed ring hooks 2, the outer peripheral surface of the second combining part 22 in the middle is provided with a plurality of annular ribs 221, the outer sides of the fixed hooks 23 are outer hooks 231, and the inner sides of the fixed hooks 23 are inner hooks 232.

Referring to fig. 5, an injection molding process for the fastening hook 2 is shown, in which the second joint 22 is divided into an inner layer and an outer layer, and the outer layer is a separated part with a ring-shaped rib 221. And firstly, integrally injection-molding the part not comprising the outer layer, and then injection-molding the outer layer outside the second joint part 22 to form the integral fixing ring hook 2. This allows the annular rib 221 to be formed using different materials.

As shown in fig. 6 and 7, the hollow plug 1 and the fixing ring hook 2 are combined to constitute a hollow plug assembly. The hollow plug is plugged into the middle hole of the fixing ring hook 2 from top to bottom, and the hollow plug and the middle hole are combined into a whole, wherein: the lower end face of the middle wing ring 13 is matched with the upper end face of the upper wing ring 21 for up-and-down limiting, and the outer diameter of the middle wing ring 13 is smaller than that of the upper wing ring 21; the outer periphery of the first combining part 14 is tightly matched with the inner periphery of the second combining part 22, and the circumferential rotation between the two parts is limited by the upper outer anti-skidding teeth 17 and the lower inner anti-skidding teeth 211; inner hook 232 snaps into loop groove portion 15.

(II) built-in bottle cap

The hollow plug component, the anti-counterfeiting ring 3 and the plug cover component form the built-in bottle cap with the utility model.

As shown in fig. 8, the anti-counterfeit ring 3 of the present invention has a plurality of anti-counterfeit teeth 31 on the upper surface and anti-slip teeth 32 on the inner circumferential surface.

As shown in fig. 9 and 10, the plug cover assembly of this embodiment adopts the structure of the plug cover assembly of utility model No. 202021262676.5, and includes an inner plug and a threaded outer cover, the inner plug is nested in the upper part of the inner cavity of the threaded outer cover, and the lower part is a plug body; the lower part of the inner cavity wall of the threaded outer cover is provided with an internal thread 61, and the lower edge of the outer wall is provided with a through or non-through accommodating groove 71. The inner plug part is formed by fixedly connecting an inner plug 4 and an inner cover 5, but can also be integrally formed, and the inner cover 5 is nested at the upper part of the inner cavity of the threaded outer cover. The threaded outer cover is composed of an inner threaded cover 6 and an outer cover 7 which are nested in a tight fit mode, the inner cavity of the threaded cover 6 forms the inner cavity of the threaded outer cover, and the accommodating groove 71 is formed in the lower edge of the outer wall of the outer cover 7.

As in fig. 11 and 12. The built-in bottle cap comprises a hollow plug component, an anti-counterfeiting ring 3 and a plug component; the thread part 12 of the hollow plug 1 is matched with the internal thread 61 in the plug cover component, the anti-counterfeiting ring 3 is sleeved outside the wing ring 13 in the middle of the hollow plug 1 and is clamped between the outer cover 7 and the wing ring 21 on the upper part of the fixed ring hook 2, and the anti-counterfeiting teeth 31 are arranged in the accommodating grooves 71. The upper inner anti-slip teeth 32 of the anti-counterfeiting ring 3 are matched with the upper outer anti-slip teeth 17 of the middle wing ring 13 to limit the circumferential sliding of the anti-counterfeiting ring and the middle wing ring.

Fig. 13 shows another embodiment of the closure assembly, the inner plug without the inner cap 5 and the inner plug 4 fixed to the top of the inner cavity of the screw cap 6. The inner plug member 4 serves as a seal for insertion into the lip portion 11 of the hollow plug 1, and the inner plug member 4 may be omitted and replaced with a conventional seal.

The threaded outer cap may also be of unitary construction, i.e. not divided into an inner threaded cap 6 and an outer cap 7, but one piece.

Fig. 14 is a schematic cross-sectional view of an interior bottle cap incorporating the closure assembly of fig. 13.

In order to realize the reliable combination of the inner layer threaded cover 6 and the outer layer outer cover 7 in the threaded outer cover, the threaded outer cover can be fixed by using the pin holes 72 and the pins 73 as shown in fig. 12 and 13, can also be bonded by using glue, can also be fixed by using an interference fit surface, and of course, the above methods can be used in combination.

The actual seal assembly process is: firstly, the fixing ring hook 2 is plugged into the bottle mouth, the lower end of the wing ring 21 at the upper part of the fixing ring hook is matched with the upper end of the bottle mouth in a limiting way, the notch 212 is matched with the bottle mouth along the upper protrusion to limit the circumferential sliding of the fixing ring hook, the outer hook 231 of the fixing hook 23 at the lower part of the fixing ring hook is clamped into the clamping groove of the inner wall of the bottle mouth (refer to the utility model patent No. 202021262676.5 in the background technology), and the periphery of the joint part 22 at the middle part of the fixing ring hook is matched with the inner wall of the bottle mouth. And secondly, the plug cover assembly is screwed with the hollow plug 1 through the internal thread 61 and the thread part 12, the anti-counterfeiting teeth 31 of the anti-counterfeiting ring 3 are aligned to the accommodating groove 71 of the accommodating outer cover 7, and the anti-counterfeiting ring 3 is sleeved outside the middle wing ring 13 of the hollow plug 1. And thirdly, utilizing the assembled parts in the first two steps, inserting the hollow plug 1 into the middle hole of the fixing ring hook 2 from top to bottom to combine the hollow plug component. The second combining part 22 of the fixing ring hook 2 is squeezed between the first combining part 14 of the hollow plug 1 and the inner wall of the bottleneck to form tight fit. The annular rib 221 on the periphery of the second connecting part 22 is used for adapting to extrusion deformation during assembly and ensuring reliable sealing.

The ring groove part 15 of the hollow plug 1 forms outward extrusion force on the fixing hook 23 of the fixing ring hook 2, and the fixing hook 23 is tightly clamped between the ring groove part 15 and the clamping groove in the inner wall of the bottle mouth. So that the hollow plug 1 can not be pulled out from the fixing ring hook 2 and the hollow plug component can not be pulled out from the bottle mouth integrally.

When the bottle cap is opened, the anti-counterfeiting teeth 31 are damaged and cannot be restored in the process of unscrewing the outer cap, so that the anti-counterfeiting effect is achieved.

Claims (8)

1. An improved hollow plug assembly characterized by: a hollow plug (1) with a central axial direction as a through hole and an integrated structure is sleeved in a fixed ring hook (2) with a central axial direction as a through hole and an integrated structure; the hollow plug (1) comprises a lip part (11), a thread part (12), a middle wing ring (13), a first combining part (14) and a ring groove part (15) from top to bottom, wherein the periphery of the first combining part (14) is provided with lower and outer anti-skidding teeth (16), and the periphery of the middle wing ring (13) is provided with upper and outer anti-skidding teeth (17); the upper part, the lower part and the upper part of the fixed ring hook (2) are provided with an upper wing ring (21), a second combining part (22) and a plurality of fixed hooks (23) arranged at the lower end in the circumferential direction, lower inner anti-skidding teeth (211) are arranged in an inner hole of the fixed ring hook (2), the outer side of each fixed hook (23) is provided with an outer hook (231), and the inner side of each fixed hook is provided with an inner hook (232); the lower end surface of the middle wing ring (13) is matched with the upper end surface of the upper wing ring (21) for up-and-down limiting, and the outer diameter of the middle wing ring (13) is smaller than that of the upper wing ring (21); the outer periphery of the first combining part (14) is tightly matched with the inner periphery of the second combining part (22), and the circumferential rotation between the two parts is limited by the upper outer anti-skidding teeth (17) and the lower inner anti-skidding teeth (211) as accessories; the inner hook (232) is clamped into the ring groove part (15).

2. An improved hollow plug assembly according to claim 1 wherein: the inner hole of the hollow plug (1) is provided with a filter plate (18).

3. An improved hollow plug assembly according to claim 1 wherein: the lower end of the hollow plug (1) is provided with an external chamfer.

4. An improved hollow plug assembly according to claim 1 wherein: the peripheral surface of the second combining part (22) of the fixed ring hook (2) is provided with a plurality of annular ribs (221).

5. An improved hollow plug assembly as set forth in claim 1 wherein: the edge of the upper wing ring (21) of the fixed ring hook is provided with a notch (212).

6. An internal bottle cap is characterized in that: a combination of a hollow plug assembly according to any one of claims 1 to 5, a tamper-evident ring (3) and a closure assembly; the anti-counterfeiting ring (3) is provided with a plurality of anti-counterfeiting teeth (31) positioned on the upper surface and inner anti-skidding teeth (32) positioned on the inner circumferential surface; the plug cover assembly is internally provided with internal threads (61), and the lower edge of the outer wall of the plug cover assembly is provided with a through or non-through accommodating groove (71); the screw thread portion (12) of the hollow plug (1) is matched with the internal thread (61) in the plug cover assembly, the anti-counterfeiting ring (3) is sleeved outside the middle wing ring (13) of the hollow plug (1) and is clamped between the outer cover (7) and the upper wing ring (21) of the fixed ring hook (2), the anti-counterfeiting teeth (31) of the anti-counterfeiting ring (3) are arranged in the accommodating groove (71), the upper inner anti-skidding teeth (32) of the anti-counterfeiting ring (3) are matched with the upper outer anti-skidding teeth (17) of the middle wing ring (13), and the circumferential sliding of the anti-counterfeiting ring and the middle wing ring is limited.

7. The built-in bottle cap according to claim 6, wherein: the plug cover component comprises a threaded outer cover consisting of an inner-layer threaded cover (6) and an outer-layer outer cover (7) which are nested, and the threaded cover (6) is internally provided with the internal thread (61).

8. An internal bottle cap according to claim 6 or 7, wherein: the plug assembly also comprises an inner plug (4) positioned at the top of the inner cavity of the plug assembly.

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