CN209567184U - A kind of sealed plastic bottle - Google Patents

Abstract

A kind of sealed plastic bottle, including body, bottle cap, bottleneck and bottleneck, the bottleneck periphery is equipped with spiral lamination, the bottle cap inner circumferential is equipped with inside spin line, the bottleneck edge is the planar structure that the circle with one fixed width extends internally, the bottleneck planar structure has Al-plastic sealing film, and the planar structure outer is arc structure.At least one circle groove is provided among the planar structure surface of the bottleneck.The utility model provides review aluminium foil in a kind of encapsulation process and encapsulates smooth, the high bottleneck structure of sealing performance.

Description

A kind of sealed plastic bottle

Technical field

The utility model belongs to field of plastic bottles, and in particular to the plastic products of good seal performance.

Background technique

What existing common plastics bottle bottle sealing used is all aluminium foil sealing.Aluminium foil type is more, widely used For clad aluminum paillon, use aluminium foil and paper and plastics compound.The shielding of aluminium foil and intensity, the heat sealability of plastics of paper Combine together, further improve as necessary to packaging material to the shielding of steam, air, ultraviolet light and bacterium etc. Can, the application market of aluminium foil has been widened significantly.Due to the sufficiently isolation such as packaged article and extraneous light, wet, gas, to make Packing material receives intact protection.For the packaging of cooking food, using compound aluminium foil material, it can at least guarantee food one Year or more never degenerate.

In filling and sealing application, positive electromagnetic wave induction sealing is a kind of gasket sealing side of contactless heating process Formula can be used for the container of various non-metallic materials to be sealed content.Air-tightness is good, leakproof and strengthens safe and healthy Protection.It generates electromagnetic field using machine, and eddy current magnetism is generated when metallics senses electromagnetism, leads to metallics moment Heating reaches the practical purpose of magnetic thermal transition.Electromagnetic induction seal gasket sealing mode has Inner plug of bottle cover according to above-mentioned principle The bottled container of aluminium-foil gasket carries out induction type sealing.But wrinkling is in pouring process in actual production operating process It is frequent, corrugation will lead to filling liquid and reveal from fold mouth, poor sealing performance.

After excluding aluminium foil quality problem itself, study bottle outlet on aluminium foil corrugation will also result in certain influence.It is conventional Bottleneck is smooth, combines closely with the lid for having filled in aluminium foil, carries out heat sealing when electromagnetic induction sealing.Due to hot melt Process can generate amount of heat, cause the scraps of paper, plastics, aluminium foil three of clad aluminum paillon that different thermal expansion reactions, aluminium occurs Paillon can play fold in close space.

Summary of the invention

The technical problem to be solved by the utility model is to provide checking in a kind of encapsulation process, aluminium foil encapsulation is smooth, The high bottleneck structure of sealing performance.

The utility model uses following technical scheme to solve above-mentioned technical problem:

A kind of sealed plastic bottle, including body, bottle cap, bottleneck and bottleneck, the bottleneck periphery are equipped with spiral lamination, the bottle Lid inner circumferential is equipped with inside spin line, and the bottleneck edge is the planar structure that the circle with one fixed width extends internally, the bottle Mouth planar structure has Al-plastic sealing film, and the planar structure outer is arc structure.

Further, at least one circle groove is provided among the planar structure surface of the bottleneck.

Further, the wide 2.5mm-5.5mm of the bottleneck.

Further, the wide 4mm of the bottleneck.

Further, the wide 0.4mm-1mm of the groove structure, deep 0.2mm-0.5mm.

Further, the arc structure radius 1mm.

Further, bottleneck spiral lamination top and bottleneck planar structure top are inwardly recessed.

Further, along recessed down in the bottleneck

Compared with prior art, the utility model has the following beneficial effects:

1. pair original bottle mouth position plane outer has carried out the chamfering of small radian, edge in bottleneck is widened.Increase aluminium The contact area of paillon, in turn ensuring it during heating has the gap of circle exhaust, and fold can be made to extend toward extension, made Its contact surface does not generate fold, and adverse effect is eliminated.

2. increasing sealed groove simultaneously, clad aluminum paillon is recessed down in encapsulation process, and formation one is closely close in groove Envelope state increases sealing performance.

Detailed description of the invention

Fig. 1 is sealed plastic bottle bottleneck and bottleneck structure schematic diagram；

Fig. 2 is sealed plastic bottle bottleneck structure schematic diagram.

Specific embodiment

Such as Fig. 1 and Fig. 2: a kind of sealed plastic bottle, including body, bottle cap, bottleneck and bottleneck 1,1 periphery of bottleneck are equipped with spiral Line, bottle cap inner circumferential are equipped with inside spin line, and bottleneck edge is the planar structure 2 that the circle with one fixed width extends internally, bottleneck Planar structure 2 has Al-plastic sealing film, and 2 outer of planar structure is arc structure 3.3 radius 1mm of arc structure.

Edge in bottleneck is widened simultaneously, the wide 2.5mm-5.5mm of bottleneck.Setting among 2 surface of planar structure of bottleneck There is at least one circle groove 4.Clad aluminum paillon is recessed down in encapsulation process, and a nearly sealing state is formed in groove, increases Sealing performance.4mm is obtained by actual production.Groove structure wide 0.2mm-0.4mm, deep 0.2mm-0.5mm.In bottleneck spiral lamination Portion and bottleneck planar structure lower part 5 are inwardly recessed.

Further, recessed down along 6 (edges in i.e. above-mentioned planar structure) in bottleneck, in production in along it is recessed down Can be recessed down when composite aluminium foil paper hot pressing, increase flatness.

A kind of embodiment of the utility model above described embodiment only expresses, the description thereof is more specific and detailed, But it should not be understood as limiting the scope of the patent of the utility model.It should be pointed out that for the common of this field For technical staff, without departing from the concept of the premise utility, various modifications and improvements can be made, these all belong to In the protection scope of the utility model.

Claims (8)

1. a kind of sealed plastic bottle, including body, bottle cap, bottleneck and bottleneck, the bottleneck periphery is equipped with spiral lamination, the bottle cap Inner circumferential is equipped with inside spin line, and the bottleneck edge is the planar structure that the circle with one fixed width extends internally, the bottleneck Planar structure has Al-plastic sealing film, which is characterized in that the planar structure outer is arc structure.

2. sealed plastic bottle according to claim 1, which is characterized in that setting among the planar structure surface of the bottleneck There is at least one circle groove.

3. sealed plastic bottle according to claim 1, which is characterized in that the wide 2.5mm-5.5mm of bottleneck.

4. sealed plastic bottle according to claim 3, which is characterized in that the wide 4mm of bottleneck.

5. sealed plastic bottle according to claim 2, which is characterized in that the wide 0.4mm-1mm of groove structure is deep 0.2mm-0.5mm。

6. sealed plastic bottle according to claim 1, which is characterized in that the arc structure radius 1mm.

7. sealed plastic bottle according to claim 1, which is characterized in that bottleneck spiral lamination top and the bottleneck Planar structure top is inwardly recessed.

8. sealed plastic bottle according to claim 1, which is characterized in that along recessed down in the bottleneck.