CN220810405U - Plastic metal composite bottle cap structure for paper tube bottle - Google Patents
Plastic metal composite bottle cap structure for paper tube bottle Download PDFInfo
- Publication number
- CN220810405U CN220810405U CN202322684293.7U CN202322684293U CN220810405U CN 220810405 U CN220810405 U CN 220810405U CN 202322684293 U CN202322684293 U CN 202322684293U CN 220810405 U CN220810405 U CN 220810405U
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- China
- Prior art keywords
- plastic
- mouth
- bottle
- metal
- paper tube
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- 229920003023 plastic Polymers 0.000 title claims abstract description 51
- 239000004033 plastic Substances 0.000 title claims abstract description 51
- 239000002905 metal composite material Substances 0.000 title claims abstract description 24
- 229910052751 metal Inorganic materials 0.000 claims abstract description 29
- 239000002184 metal Substances 0.000 claims abstract description 29
- 239000002131 composite material Substances 0.000 claims description 12
- 229910052782 aluminium Inorganic materials 0.000 claims description 6
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 claims description 6
- 230000007704 transition Effects 0.000 claims description 3
- 238000002844 melting Methods 0.000 claims description 2
- 230000008018 melting Effects 0.000 claims description 2
- 238000004519 manufacturing process Methods 0.000 abstract description 4
- 238000009434 installation Methods 0.000 abstract description 2
- 239000003292 glue Substances 0.000 description 2
- 238000002347 injection Methods 0.000 description 2
- 239000007924 injection Substances 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000002788 crimping Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000012943 hotmelt Substances 0.000 description 1
- 238000001746 injection moulding Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000004806 packaging method and process Methods 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 230000007306 turnover Effects 0.000 description 1
Landscapes
- Closures For Containers (AREA)
Abstract
The utility model discloses a plastic-metal composite bottle cap structure for a paper tube bottle, which comprises a metal cap body and a plastic bottle mouth, wherein the metal cap body is circular, a sinking table is arranged in the middle of the metal cap body, an outward flanging is arranged at the periphery of the top of the sinking table, a cap hole is arranged in the center of the sinking table, and the plastic bottle mouth is arranged on the cap hole, and is characterized in that: the upper end of the cover hole is provided with an upturning edge, the plastic bottle mouth comprises a mouth body, a cavity is arranged in the mouth body, a base, an annular limiting groove, a convex ring and external threads are respectively arranged on the outer wall of the mouth body from bottom to top, the mouth body is inserted into the cover hole, the base abuts against the bottom of the sinking platform, the annular limiting groove is in buckling connection with the upturning edge, and the convex ring abuts against the top of the upturning edge. The metal cover body and the plastic bottle mouth can be processed respectively and simultaneously, and then are combined together through the tool, so that the production efficiency and the yield are improved; moreover, the metal cover body is matched with the plastic bottle mouth through the buckling connection, and the installation is convenient.
Description
Technical Field
The utility model relates to the technical field of packaging bottle caps, in particular to a plastic metal composite bottle cap structure bottle for a paper tube bottle.
Background
At present, some chemical glue is loaded by adopting a nail-free glue aluminum-plastic composite paper tube bottle, wherein the paper tube bottle comprises a paper tube, a plastic metal composite bottle cap and a bottom cover; wherein, combine the figure 9 to show, plastic metal composite bottle lid includes metal lid 1 and plastic bottle neck 2, and metal lid 1 middle part is equipped with sinks the platform 11, and the top periphery of sinking the platform 11 is equipped with outward flange 12, and the center of sinking the platform 11 is equipped with the trompil, and plastic bottle neck 2 injection moulding is on the centre bore. Therefore, the plastic-metal composite bottle cap needs to produce a metal cap body in the processing process, then the metal cap body 1 is placed in an injection mold, and then the plastic bottle mouth 2 is injection molded on the metal cap body 1; in addition, when the mould is opened to eject the plastic metal composite bottle cap, the bottle cap is messy, and the bottle cap is inconvenient to be installed on the paper tube through automatic assembly equipment in the later stage, so that the production efficiency is reduced, and the production cost is improved.
Disclosure of utility model
The utility model aims to provide a plastic-metal composite bottle cap structure for paper tube bottles, which has a reasonable structure and can be processed by a cap body and a bottle mouth respectively.
The purpose of the utility model is realized in the following way:
The utility model provides a paper tube bottle is with plastics metal composite bottle lid structure, includes metal lid and plastic bottle mouth, and the metal lid is circular, and the middle part of metal lid is equipped with heavy platform, and heavy platform top periphery is equipped with the turned-up edge, and heavy platform center is equipped with the lid hole, and plastic bottle mouth sets up on the lid hole, its characterized in that: the upper end of the cover hole is provided with an upturning edge, the plastic bottle mouth comprises a mouth body, a cavity is arranged in the mouth body, a base, an annular limiting groove, a convex ring and external threads are respectively arranged on the outer wall of the mouth body from bottom to top, the mouth body is inserted into the cover hole, the base abuts against the bottom of the sinking platform, the annular limiting groove is in buckling connection with the upturning edge, and the convex ring abuts against the top of the upturning edge.
The aim of the utility model can be also solved by adopting the following technical measures:
As a more specific scheme, the bottom of the sinking platform is provided with an annular sinking groove corresponding to the periphery of the lower end of the cover hole, the annular sinking groove is in transition with the cover Kong Humian, and the base is embedded into the annular sinking groove.
As a further proposal, the outer diameter of the convex ring is larger than the inner diameter of the cover hole, and the outer diameter of the convex ring is 0.8-1.3 times of the outer diameter of the upturned edge.
As a further aspect, the external thread has an outer diameter smaller than an outer diameter of the collar.
As a further scheme, the upper end and the lower end of the cavity are open; or the lower end of the cavity is opened, and the upper end of the cavity corresponding to the mouth body is provided with a mouth cover which seals the upper end of the cavity.
As a further scheme, the bottom of the metal cover body is also covered with an aluminum-plastic composite film, the aluminum-plastic composite film extends to the edge close to the flanging, and the aluminum-plastic composite film is connected with the base of the plastic bottle mouth in a hot melting mode.
The beneficial effects of the utility model are as follows:
the metal cover body and the plastic bottle mouth can be processed respectively and simultaneously, and then are combined together through the tool, so that the production efficiency and the yield are improved; moreover, the metal cover body is matched with the plastic bottle mouth through the buckling connection, and the installation is convenient.
Drawings
FIG. 1 is an exploded view of an embodiment of the present utility model.
Fig. 2 is a schematic diagram of a turnover three-dimensional structure of a metal cover in the present utility model.
Fig. 3 is a schematic view of the front view of the plastic bottle mouth in the utility model.
FIG. 4 is a schematic cross-sectional view of a metal cover according to the present utility model.
FIG. 5 is a schematic cross-sectional view of a plastic bottle mouth according to the present utility model.
FIG. 6 is a schematic cross-sectional view of a plastic-metal composite bottle cap according to the present utility model.
Fig. 7 is a schematic cross-sectional structure of the plastic-metal composite bottle cap and the aluminum-plastic composite film after connection.
Fig. 8 is a schematic view of a partial structure of the plastic-metal composite bottle cap connected with a paper tube.
Fig. 9 is a schematic cross-sectional view of a conventional metal composite bottle cap.
Detailed Description
The utility model is further described below with reference to the accompanying drawings and examples:
Referring to fig. 1 to 7, a plastic metal composite bottle cap structure for a paper tube bottle comprises a metal cap body 1 and a plastic bottle mouth 2, wherein the metal cap body 1 is circular, a sinking table 11 is arranged in the middle of the metal cap body 1, an outward flanging 12 is arranged on the periphery of the top of the sinking table 11, a cap hole 13 is arranged in the center of the sinking table 11, the plastic bottle mouth 2 is arranged on the cap hole 13, an upward flanging 14 is arranged at the upper end of the cap hole 13, the plastic bottle mouth 2 comprises a mouth body 23, a cavity 27 is arranged in the mouth body 23, a base 21, an annular limiting groove 22, a convex ring 26 and an external thread 25 are respectively arranged on the outer wall of the mouth body 23 from bottom to top, the mouth body 23 is spliced with the cap hole 13, the base 21 is propped against the bottom of the sinking table 11, the annular limiting groove 22 is buckled with the upward flanging 14, and the convex ring 26 is propped against the top of the upward flanging 14.
The bottom of the sinking table 11 is provided with an annular sinking groove 15 corresponding to the periphery of the lower end of the cover hole 13, the annular sinking groove 15 is in cambered surface transition with the cover hole 13, and the base 21 is embedded into the annular sinking groove 15.
The outer diameter of the convex ring 26 is larger than the inner diameter of the cover hole 13, and the outer diameter of the convex ring 26 is 0.8-1.3 times of the outer diameter of the upturned edge 14.
The external thread 25 has an outer diameter smaller than the outer diameter of the collar 26.
The lower end of the cavity 27 is opened, the upper end of the mouth 23 corresponding to the cavity 27 is provided with a mouth cover 24, and the mouth cover 24 seals the upper end of the cavity 27.
The bottom of the metal cover body 1 is also covered with an aluminum plastic composite film 3, the aluminum plastic composite film 3 extends to the edge close to the flanging 12, and the aluminum plastic composite film 3 is in hot melt connection with the base 21 of the plastic bottle mouth 2 (see the position B in fig. 7).
The plastic metal composite bottle cap is installed in the following manner: the mouth body 23 of the plastic bottle mouth 2 is aligned with the cover hole 13 of the metal cover body 1, after the mouth body 23 and the convex ring 26 are pushed by external force to pass through the upper flanging 14 of the cover hole 13, the upper flanging 14 falls into the annular limit groove 22 of the plastic bottle mouth 2, the base 21 of the plastic bottle mouth 2 is propped against the bottom of the sinking table 11, the convex ring 26 of the plastic bottle mouth 2 is restored to deform, and the convex ring 26 is propped against the top of the upper flanging 14, so that the assembly of the plastic metal composite bottle cap is completed.
Referring to fig. 8, the plastic-metal composite bottle cap and the paper tube are assembled as follows: the sinking table 11 of the metal cover body 1 is placed in an opening at the upper end of the paper tube, the outward flange 12 of the metal cover body 1 and the aluminum-plastic composite film 3 extending to the bottom of the outward flange 12 are placed on the upper end face of the paper tube, and the outward flange is bent towards the outer wall of the paper tube through crimping equipment so as to clamp the outer wall of the paper tube, thereby realizing the fixation of a bottle cap and the upper end sealing of the paper tube.
The foregoing is a preferred embodiment of the utility model showing and describing the general principles, features and advantages of the utility model. It will be understood by those skilled in the art that the present utility model is not limited to the foregoing embodiments, which have been described in the foregoing embodiments and description merely illustrates the principles of the utility model, and that various changes and modifications may be effected therein without departing from the spirit and scope of the utility model as defined in the appended claims and their equivalents.
Claims (6)
1. The utility model provides a paper tube is plastics metal composite bottle lid structure for bottle, includes metal lid (1) and plastic bottle mouth (2), and metal lid (1) are circular, and the middle part of metal lid (1) is equipped with heavy platform (11), and heavy platform (11) top periphery is equipped with flanging (12), and heavy platform (11) center is equipped with lid hole (13), and plastic bottle mouth (2) set up on lid hole (13), its characterized in that: the upper end of lid hole (13) is equipped with flange (14), plastic bottle mouth (2) are including mouth body (23), are equipped with cavity (27) in mouth body (23), and mouth body (23) outer wall is from supreme base (21), annular spacing groove (22), bulge loop (26) and the external screw thread (25) of being equipped with respectively down, and mouth body (23) are pegged graft with lid hole (13), and base (21) offsets with heavy platform (11) bottom, annular spacing groove (22) and flange (14) lock joint, bulge loop (26) offset with the top of flange (14).
2. The plastic-metal composite bottle cap structure for paper tube bottle according to claim 1, wherein: the bottom of the sinking table (11) is provided with an annular sinking groove (15) corresponding to the periphery of the lower end of the cover hole (13), the annular sinking groove (15) is in cambered surface transition with the cover hole (13), and the base (21) is embedded into the annular sinking groove (15).
3. The plastic-metal composite bottle cap structure for paper tube bottle according to claim 1, wherein: the outer diameter of the convex ring (26) is larger than the inner diameter of the cover hole (13), and the outer diameter of the convex ring (26) is 0.8-1.3 times of the outer diameter of the upturned edge (14).
4. The plastic-metal composite bottle cap structure for paper tube bottle according to claim 1, wherein: the external thread (25) has an outer diameter smaller than the outer diameter of the collar (26).
5. The plastic-metal composite bottle cap structure for paper tube bottle according to claim 1, wherein: the upper end and the lower end of the cavity (27) are open; or the lower end of the cavity (27) is opened, the upper end of the nozzle body (23) corresponding to the cavity (27) is provided with a nozzle cover (24), and the upper end of the cavity (27) is sealed by the nozzle cover (24).
6. The plastic-metal composite bottle cap structure for paper tube bottle according to claim 1, wherein: the bottom of the metal cover body (1) is also covered with an aluminum plastic composite film (3), the aluminum plastic composite film (3) extends to the edge close to the flanging (12), and the aluminum plastic composite film (3) is connected with the base (21) of the plastic bottle mouth (2) in a hot melting mode.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322684293.7U CN220810405U (en) | 2023-10-05 | 2023-10-05 | Plastic metal composite bottle cap structure for paper tube bottle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322684293.7U CN220810405U (en) | 2023-10-05 | 2023-10-05 | Plastic metal composite bottle cap structure for paper tube bottle |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220810405U true CN220810405U (en) | 2024-04-19 |
Family
ID=90674854
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322684293.7U Active CN220810405U (en) | 2023-10-05 | 2023-10-05 | Plastic metal composite bottle cap structure for paper tube bottle |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220810405U (en) |
-
2023
- 2023-10-05 CN CN202322684293.7U patent/CN220810405U/en active Active
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| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |