CN115180297A

CN115180297A - Combined aluminum foil easy to seal

Info

Publication number: CN115180297A
Application number: CN202211106613.4A
Authority: CN
Inventors: 宋文广
Original assignee: Yantai Yongsheng Sealing Technology Co ltd
Current assignee: Yantai Yongsheng Sealing Technology Co ltd
Priority date: 2022-09-13
Filing date: 2022-09-13
Publication date: 2022-10-14
Anticipated expiration: 2042-09-13
Also published as: CN115180297B

Abstract

The invention discloses a combined aluminum foil easy to seal, and relates to the technical field of aluminum foil sealing of bottled products. The invention comprises a rubber plug with a cap rotary; the lower surface of the rubber plug cap is fixed with a circular ring-shaped holding piece; the lower end and the peripheral side surface of the rubber plug and the lower surface of the circular ring holding piece are fixed with a rotary sealing aluminum foil; the horizontal part of the rotary sealing aluminum foil is sealed with the bottle mouth in a heat sealing way; the inner wall of the upper end of the rubber plug is provided with two coaxial circular grooves; the handles are rotatably arranged in the two circular grooves; the upper side of the rubber plug is provided with an outer layer aluminum foil sheet which is connected with the rotary sealing aluminum foil in a heat-sealing way; a first rotary groove is formed in the upper end of the rubber plug, and the axis of the bottom of the first rotary groove protrudes upwards; the lower end of the rubber plug is provided with a second rotary groove. The invention combines the rubber plug, the circular ring holding piece, the rotary sealing aluminum foil, the handle and the outer aluminum foil piece, has two layers of aluminum foil sealing and middle enhanced sealing, has excellent sealing effect, is convenient and rapid to pull out, and rapidly removes the aluminum foil sealing.

Description

Combined aluminum foil easy to seal

Technical Field

The invention belongs to the technical field of aluminum foil sealing of bottled products, and particularly relates to a combined aluminum foil easy to seal.

Background

The aluminum foil sealing technology utilizes the principle of electromagnetic induction to enable an aluminum foil to generate high heat instantly and then to be fused at the sealing position of a package, so as to achieve the sealing function. The utility model with publication number CN203845186U discloses a combined aluminum foil for sealing, which comprises an outer aluminum foil and a convex gasket, wherein the front end of the convex gasket is a protrusion, the rear end of the convex gasket is a plane, the edge of the outer aluminum foil is embedded on the plane of the rear end of the convex gasket and wraps the protrusion of the front end, so that the outer aluminum foil and the front end of the convex gasket form an independent space; the continuous local folding of outer aluminium foil forms continuous stationary blade, and the aluminium foil is sealed the bottleneck when, the stationary blade is heated and is connected with the bottleneck.

The scheme adopts the composite multilayer sealing structure, high-pressure or low-pressure cold media exist in various industries such as food, medicine, cosmetics and the like, the scheme has the condition of insufficient sealing and buffering in structure maintenance, and inconvenience is caused when the sealing is removed. The present document thus provides a sectional type aluminum foil which is easily sealed to solve the above-mentioned problems.

Disclosure of Invention

In order to solve the technical problems, the invention is realized by the following technical scheme:

the invention relates to a combined aluminum foil easy to seal, which comprises a rubber plug with a cap rotation; a circular ring-shaped holding piece is fixed on the lower surface of the rubber plug cap; the lower end and the peripheral side surface of the rubber plug and the lower surface of the circular ring holding piece are fixed with a rotary sealing aluminum foil; the horizontal part of the rotary sealing aluminum foil is thermally sealed with the bottle mouth; the inner wall of the upper end of the rubber plug is provided with two coaxial circular grooves; handles are rotatably arranged in the two circular grooves; and an outer aluminum foil sheet connected with the rotary sealing aluminum foil in a heat-sealing manner is arranged on the upper side of the rubber plug.

Furthermore, a first rotary groove is formed in the upper end of the rubber plug, and the axis of the bottom of the first rotary groove protrudes upwards; the lower end of the rubber plug is provided with a second rotary groove; the axis of the top end of the second rotary groove is protruded downwards. The rubber stopper sets up first gyration recess, second gyration recess from top to bottom, when reducing the material use amount, two hollow cavity about forming after the installation have the heat-insulating effect to can offset the malleation or the negative pressure that some interior medium of bottle produced.

Further, the diameter of the outer circular surface of the circular ring holding piece is larger than that of the outer circular surface of the cap of the rubber plug; the circumferential side surfaces of the circular ring holding pieces are uniformly provided with U-shaped notches. The circular ring holding piece supports the cap of the rubber plug at the bottle opening, prevents the rubber plug from sinking into the bottle, and is provided with the U-shaped groove opening to increase the transition amount between the rubber plug, the circular ring holding piece and the rotary sealing aluminum foil, so that the friction force is increased, and the sealing process is more stable.

Further, a circular ring is arranged on the lower surface of the horizontal connecting part of the rotary sealing aluminum foil. The centre of connecting portion is arranged in to the ring when the sealed aluminium foil of gyration is sealed, sets up the ring and cut apart into inside and outside two rings with the horizontal connection portion of the sealed aluminium foil of gyration in the sealed aluminium foil of gyration below, conveniently observes sealed whether complete. The ring is arranged on the edge part when the rotary sealing aluminum foil is sealed, and does not participate in sealing. The two rings are arranged to play an auxiliary role when the rotary sealing aluminum foil is opened, and the connecting part of the rotary sealing aluminum foil is conveniently torn.

Furthermore, a reinforcing ring is arranged in the rubber plug; the reinforcing ring comprises a cylinder and an inner ring plate fixed on the inner wall of the upper end of the cylinder; the inner ring plate is positioned on the upper side of the circular groove. The reinforcing ring arranged in the rubber plug is convenient to mount and pull while the integral structural characteristic is kept.

Further, the lower end of the inner ring surface of the second rotary groove is provided with a sealing ring sheet, the sealing ring sheet and the second rotary groove form a cavity, NTE materials and negative thermal expansion materials are filled in the cavity, the cold expansion effect is achieved, when a medium in the storage bottle is a refrigerant, the rubber plug retracts under the cold condition, the retraction amount of the rubber plug is offset by the expansion of the NTE materials, and the sealing stability is guaranteed.

The invention has the following beneficial effects:

1. the invention combines the rubber plug, the circular ring holding piece, the rotary sealing aluminum foil, the handle and the outer layer aluminum foil piece, has two layers of aluminum foil sealing and middle enhanced sealing, has excellent sealing effect, is convenient and rapid to pull out, and rapidly removes the aluminum foil sealing.

2. The invention is convenient to observe whether the sealing is complete or not by arranging the circular ring on the rotary sealing aluminum foil, and simultaneously, the connecting part of the rotary sealing aluminum foil is convenient to tear.

3. The rubber plug is internally provided with the reinforcing ring, so that the integral structural characteristic is kept, and the installation and the pulling process are convenient.

4. The invention has reasonable and simple integral structure, low split manufacturing cost and good sealing effect, and is suitable for sealing various media.

Of course, it is not necessary for any product in which the invention is practiced to achieve all of the above-described advantages at the same time.

Drawings

In order to more clearly illustrate the technical solution of the present invention, the drawings used in the description of the embodiments will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art that other drawings can be obtained based on these drawings without inventive labor.

Fig. 1 is a schematic structural diagram of an easy-to-seal combined aluminum foil according to a first embodiment of the present invention.

Fig. 2 is a top view of fig. 1.

Fig. 3 isbase:Sub>A cross-sectional view taken atbase:Sub>A-base:Sub>A in fig. 2.

FIG. 4 is a schematic view of the first embodiment after removing the handle and the outer aluminum foil.

Fig. 5 is a schematic structural diagram of a second embodiment of the present invention when a ring is installed.

Fig. 6 is a schematic structural diagram of a third embodiment of the present invention when a reinforcing ring and an NTE material are installed.

In the drawings, the components represented by the respective reference numerals are listed below:

1-rubber plug, 2-circular ring holding piece, 3-rotary sealing aluminum foil, 4-handle, 5-outer layer aluminum foil, 6-reinforcing ring, 7-NTE material, 8-circular ring, 11-circular groove, 12-first rotary groove, 13-second rotary groove, 14-sealing ring piece, 21-U-shaped notch, 61-cylinder and 62-inner ring plate.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Example one

Referring to fig. 1-4, the present invention is an easy-to-seal combined aluminum foil, including a rubber stopper 1 with a cap rotation; a circular ring holding sheet 2 is fixed on the lower surface of the cap of the rubber plug 1; the lower end and the peripheral side surface of the rubber plug 1 and the lower surface of the circular ring holding piece 2 are fixed with a rotary sealing aluminum foil 3; the horizontal part of the rotary sealing aluminum foil 3 is sealed with the bottle mouth in a heat sealing way; the inner wall of the upper end of the rubber plug 1 is provided with two coaxial circular grooves 11; the two circular grooves 11 are internally and rotatably provided with a handle 4; the upper side of the rubber plug 1 is provided with an outer layer aluminum foil 5 which is connected with the rotary sealing aluminum foil 3 in a heat-sealing way.

The upper end of the rubber plug 1 is provided with a first rotary groove 12, and the axis of the bottom of the first rotary groove 12 is upwards convex; the lower end of the rubber plug 1 is provided with a second rotary groove 13; the axis of the top end of the second swing groove 13 is convex downward. Rubber buffer 1 sets up first gyration recess 12, second gyration recess 13 from top to bottom, when reducing the material use amount, two hollow cavity about the installation back formation have the heat retaining effect of keeping warm of insulating against the temperature to can offset the malleation or the negative pressure that some interior medium of bottle produced.

The diameter of the outer circular surface of the circular ring holding piece 2 is larger than that of the outer circular surface of the cap of the rubber plug 1; the circumferential side surfaces of the circular ring holding pieces 2 are uniformly provided with U-shaped notches 21. The circular ring holding piece 2 supports the cap of the rubber plug 1 at the bottle mouth to prevent the rubber plug 1 from sinking into the bottle, the U-shaped notch 21 is formed to increase the transition amount between the rubber plug 1, the circular ring holding piece 2 and the rotary sealing aluminum foil 3, so that the friction force is increased, and the sealing process is more stable.

One specific application of this embodiment is: before using, rubber buffer 1, ring keep piece 2, gyration sealing aluminium foil 3 and handle 4 are preassembled, and the packaging process is pressed the whole into the bottle mouth, and wherein gyration sealing aluminium foil 3 hot pressing is in the bottleneck, attaches outer layer aluminium foil 5 and carries out the upper end and seal and form secondary seal. After the secondary sealing is finished, the upper and lower first rotary grooves 12 and the lower and second rotary grooves 13 of the rubber plug 1 form an upper hollow cavity and a lower hollow cavity, so that the heat insulation effect is achieved, and positive pressure or negative pressure generated by partial medium in the bottle can be offset. When opening sealed, tear earlier outer aluminium foil 5 in upper end or disclose and open, collude handle 4, drag handle 4 and drive rubber buffer 1, ring keep piece 2, gyration sealed aluminium foil 3 and handle 4's assembly and break away from the bottleneck simultaneously, the convenient aluminium foil that gets rid of fast is sealed at the connecting portion separation of the in-process gyration sealed aluminium foil 3 that breaks away from and the bottleneck.

Example two

Referring to fig. 5, unlike the first embodiment, a ring 8 is disposed on the lower surface of the horizontal connection portion of the rotary sealing aluminum foil 3. When the rotary sealing aluminum foil 3 is sealed, the ring 8 is arranged in the middle of the connecting part, the horizontal connecting part of the rotary sealing aluminum foil 3 is divided into an inner ring and an outer ring, and whether sealing is complete or not is conveniently observed. When the rotary sealing aluminum foil 3 is sealed, the ring 8 is arranged at the edge part and does not participate in sealing. The two rings 8 are arranged to assist in opening the rotary sealing aluminum foil 3, and the connection part of the rotary sealing aluminum foil 3 is convenient to tear.

EXAMPLE III

Referring to fig. 6, unlike the first and second embodiments, a reinforcing ring 6 is disposed inside the rubber stopper 1; the reinforcing ring 6 comprises a cylinder 61 and an inner ring plate 62 fixed on the inner wall of the upper end of the cylinder 61; the inner ring plate 62 is located on the upper side of the circular groove 11. The reinforcing ring 6 is arranged in the rubber plug 1, so that the integral structural characteristic is maintained in a reinforcing way, and the mounting and pulling processes are convenient.

The lower end of the inner ring surface of the second rotary groove 13 is provided with a sealing ring sheet 14, a cavity is formed between the sealing ring sheet 14 and the second rotary groove 13, the cavity is filled with NTE materials 7, the NTE materials 7 and negative thermal expansion materials have the cold expansion effect, when a medium in the storage bottle is a refrigerant, the rubber plug 1 retracts due to cold, the NTE materials 7 expand to offset the retraction amount of the rubber plug 1, and the sealing stability is guaranteed.

In the description herein, references to the description of "one embodiment," "an example," "a specific example" or the like are intended to mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.

The preferred embodiments of the invention disclosed above are intended to be illustrative only. The preferred embodiments are not intended to be exhaustive or to limit the invention to the precise embodiments disclosed. Obviously, many modifications and variations are possible in light of the above teaching. The embodiments were chosen and described in order to best explain the principles of the invention and the practical application, to thereby enable others skilled in the art to best understand the invention for and utilize the invention. The invention is limited only by the claims and their full scope and equivalents.

Claims

1. The utility model provides an easily sealed combination formula aluminium foil, includes rubber buffer (1) that has the cap gyration, its characterized in that:

a circular ring retaining sheet (2) is fixed on the lower surface of the rubber plug (1) cap;

the lower end and the peripheral side surface of the rubber plug (1) and the lower surface of the circular ring holding piece (2) are fixed with a rotary sealing aluminum foil (3); the horizontal part of the rotary sealing aluminum foil (3) is in heat sealing with the bottle mouth;

the inner wall of the upper end of the rubber plug (1) is provided with two coaxial circular grooves (11); the lifting handles (4) are rotatably arranged in the two circular grooves (11);

the upper side of the rubber plug (1) is provided with an outer layer aluminum foil (5) which is connected with the rotary sealing aluminum foil (3) in a heat-sealing manner.

2. The easy-to-seal combined aluminum foil as claimed in claim 1, wherein the rubber stopper (1) is provided with a first rotary groove (12) at the upper end thereof, and the axis of the bottom of the first rotary groove (12) is upwardly convex; the lower end of the rubber plug (1) is provided with a second rotary groove (13); the axis of the top end of the second rotary groove (13) is convex downwards.

3. The easy-to-seal combined aluminum foil as claimed in claim 1, wherein the diameter of the outer circular surface of the circular ring holding piece (2) is larger than that of the outer circular surface of the cap of the rubber plug (1); the circumferential side surfaces of the circular ring holding pieces (2) are uniformly provided with U-shaped notches (21).

4. The aluminum foil assembly of claim 1, wherein the rotary sealing aluminum foil (3) has a ring (8) on the lower surface of the horizontal connection portion.

5. An easy-to-close combined aluminum foil as claimed in claim 1, wherein the rubber stopper (1) is internally provided with a reinforcing ring (6); the reinforcing ring (6) comprises a cylinder (61) and an inner ring plate (62) fixed on the inner wall of the upper end of the cylinder (61); the inner ring plate (62) is positioned on the upper side of the circular groove (11).

6. The easy-to-close combined aluminum foil as claimed in claim 2, wherein a sealing ring sheet (14) is disposed at the lower end of the inner annular surface of the second rotation groove (13), a cavity is formed between the sealing ring sheet (14) and the second rotation groove (13), and the cavity is filled with NTE material (7); the NTE material (7) is a negative thermal expansion material.