CN206187550U

CN206187550U - Prevent double layer of plastic bottle of bottled liquid of inclusion of air

Info

Publication number: CN206187550U
Application number: CN201620886606.4U
Authority: CN
Inventors: 李克勤
Original assignee: Individual
Current assignee: Individual
Priority date: 2016-08-16
Filing date: 2016-08-16
Publication date: 2017-05-24
Anticipated expiration: 2026-08-16

Abstract

The utility model provides a prevent double layer of plastic bottle of bottled liquid of inclusion of air has the double layer of plastic bottle by inlayer and outer layer composition, and other has the supporting bottle lid of connecting. The bottle end and the outer bottle of end of inlayer link together, the local looks be connected together of the local and outer bottle wall of bottle wall of inlayer. Outer mouth has the air vent that pierces through outer bottle wall in non - two -layer continuous position, has the air channel on screw thread or the gomphosis line, and the air channel communicates with each other with the air vent (especially adding the lid on the bottle time when the bottle lid), and air vent and gas space communicate with each other. The bottle lid comprises enclosing cover and inner cup, and the side of covering including the enclosing cover swing joint covers in, has solution export and air UNICOM mouth. The utility model discloses can be isolated with nested material and air, prevent that the air from influencing the quality of built -in material, when the bottle was lied down, the nested liquid material that also can not flow was avoided extravagant and is polluted.

Description

Air-prevention is mixed into the double-layer plastic bottle of bottled liquid

Technical field

The utility model is related to a kind of liquid packing plastic containers.

Background technology

The liquid articles such as beverage, condiment, medicament are carried out filling using plastic packaging containers mostly, and packing cost is low, take It is convenient, but taken with toppling over for liquid article, meeting air inlet, especially oxygen in packing container remaining space inside, So that packaged material easily changes taste, or even cause rotten, especially for the shadow of the liquid article of non-disposable consumption Sound is larger.

A kind of high barrier double-layer plastic bottle of excellent combination property of Application No. 2005100857608, chooses suitable PET systems resin (outer layer) of ratio and PEN resins (internal layer), using extra quality/double coloured plastic injection machine (or double-deck co-injection machine) and double Layer preform mould, injection (or synchronous injection) is into after didermic embryo at twice, then is blown through the preheating of bottle embryo heated mechanical and biaxial tension Molding machine tool is fabricated by.Plastic bottle of the invention has high barrier.But the bottle is only used for filling disposable consumption The materials such as beer, do not have for flavouring such as soy sauce, vinegar and use advantage.

The invention of Application No. 2013104743545 is related to articles for daily use technical field, more particularly to a kind of double-layer plastic Bottle.A kind of double-layer plastic bottle, including bottom of bottle, body, bottleneck and bottleneck, bottom of bottle, body, bottleneck, bottleneck phase successively from top to bottom Even, body is formed by plastic tube coiled coil；The pitch of body is less than the external diameter of plastic tube and the wall thickness sum of plastic tube.Plastics Pipe coiled coil constitutes the body of closing, and because plastic tube is double-decker, the plastic bottle of the double-decker can solve the problem that temperature The problem of regulation, but the problem of packing material Keep the quality and freshness can not be effectively prevented, and manufacture relatively difficult.

The content of the invention

Utility model purpose：

The utility model overcomes conventional plastic packing container remaining liq after internal liquid is toppled over to be difficult to fresh-keeping shortcoming, There is provided a kind of double-layer plastic bottle that can effectively completely cut off air entrance and its with applying mechanically bottle cap.

Technical scheme：

The air-prevention that the utility model is provided is mixed into the double-layer plastic bottle of bottled liquid, double with what is be made up of internal layer and outer layer Layer plastic bottle, separately having can be with the bottle cap of supporting connection with bottle neck shape and specification.Outer layer bottle and internal layer bottle are respectively containing respective Bottom of bottle, bottle wall, bottle neck and bottleneck, the thickness of outer layer bottle wall are 2-6 times of internal layer bottle wall thickness, and outer layer bottle is rigid and keeps shape Better performances, but also can contraction distortion when staff exerts oneself extruding；Internal layer is soft, can be with the reduction of built-in solution certainly Dynamic contraction distortion.

The bottom of bottle of internal layer links together with the bottom of bottle of outer layer（This double bottle is preferably using the manufacture of coextrusion blow molding process Into the bottom of bottle of internal layer is welded together with the bottom of bottle of outer layer when fracture is coextruded）；The local bottle wall with outer layer of the bottle wall of internal layer Local-connection is together（It is preferred that connected position extends to mouth cylindrical part from bottom of bottle, have in the relative both sides of bottle wall, be connected position Width be 3-20mm, be both not in internal layer is layered the situation for departing from internal layer excess shrinkage with outer layer completely, will not hinder again Smooth air enters, solves the problems, such as to ensure that liquid can finally be completely exhausted out in bottle between two-layer bottle）.

The mouth periphery of outer layer has the screw thread or chimeric line of connection bottle cap（Can not be separated by after pressure compaction, unless Destruction）, the mouth of outer layer has the passage for penetrating outer layer bottle wall in the position that non-two-layer is connected（Preferably relative both sides are each There is one or 2, passage is circular or kidney-shaped, circumferential aperture is 1-3mm, it is ensured that air turnover is unobstructed）, the screw thread of bottle neck Or there is one or several air vent groove on chimeric line, air channel is communicated with passage（Especially when bottle cap is added a cover on bottle When）, the gas compartment in addition to the position that is connected is communicated between passage and ectonexine bottle.

The bottleneck circumference of outer layer is fully sealed with the bottleneck circumference of internal layer and is connected, it is ensured that the coupling part is air tight, and energy Enough and bottle cap keeps being in close contact, and no leakage is air tight.

Bottle cap is made up of enclosing cover and inner cap, can be spirally connected or is entrenched on the bottle neck of double bottle, enclosing cover as an entirety Be movably connected in inner cap top, and can hermetically be covered with inner cap completely when enclosing cover is shut, and interior liquid can not flow out, The outer air of screen can not enter.Inside cover with taphole（Diameter 1-5mm）With air communication mouthful（Diameter 0.2-2mm）.Enclosing cover During opening, the taphole for inside covering liquid or be able to can be poured out in UNICOM's bottle（Or can be extruded during extruding bottle wall Go out）Contained liquid, air communication mouthful being capable of UNICOM's air, the further gas compartment between UNICOM's ectonexine.It is outer to cover also There is the seal bar for being inserted into taphole and playing sealing process, taphole is preferably with upward horn mouth, is easy to close Envelope bar insertion.

The utility model when in use, first removes bottle cap, by filling liquid in the inside of internal layer bottle, then tightly covers spiral shell Connect or to be fitted together to bottle cap standby.When enclosing cover pouring liquid is opened, staff exerts oneself to extrude bottle wall, and internal layer bottle wall and outer layer bottle wall are same When shrink, liquid from internal layer bottle in slowly flowed out by taphole；The marquis when staff unclamps, liquid stops trickling, internal layer Bottle wall remains retracted state, while the gas that the air of outside is entered between two-layer bottle wall by air by air channel and passage Body space, is gradually injected in the gas compartment by air, and internal layer bottle wall remains retracted state with the outflow of solution, and outer layer bottle wall is swollen It is swollen extremely to restore to the original state.

It is that it manifests as a result, with the outflow of liquid, the gas compartment that air can only enter between two-layer bottle wall, air Substantially will not enter in the internal remaining liquid of internal layer bottle, it is ensured that liquid substantially not with air contact, be difficult to be oxidized by oxygen It is rotten, pH value and mouthfeel that carbon dioxide changes liquid are not contacted yet, extend solution（Especially liquid food or beverage）'s Shelf-life.

In the utility model, a diameter of 0.5-2mm of taphole, a diameter of 0.1-1mm of air communication mouthful work as enclosing cover When opening bottle is toppled over, air can not certainly be advanced into the gas compartment, and internal layer bottle wall can not voluntarily shrink, and liquid also will not be certainly in bottle Row trickles out.Even if showing as enclosing cover opens bottle when falling down, liquid voluntarily will not trickle out in bottle.

In the utility model, the material of double bottle is preferably PE, PP, PET, PVC, nylon, or barrier is than them more Plastics high, more than outer layer bottle, the material of internal layer bottle and outer layer bottle can be with identical or differ for the pliability of internal layer bottle；Mainly Constituent can be with identical, and auxiliary element can be differed.The material of bottle cap is PP, PE, PVC, PET, AS, ABS etc..

Beneficial effect：

Built-in material and air exclusion can be prevented the quality of air impact built-in substance by the utility model；Can The speed of the material outflow such as control contained liquid, is easy to measure and control usage amount；Even when bottle is lied down, also will not flow out Built-in liquid substance flows out many liquid, it is to avoid waste and pollution environment.Present invention can be widely used to filling sauce The liquids such as oil, vinegar, edible oil, beverage, it is also possible to the semi-fluid or even powder such as filling tomato juice, Jie end.

Brief description of the drawings

Fig. 1 is the cross-sectional view of double bottle of the present utility model；

Fig. 2 is the structural representation of A-A sections in Fig. 1；

Fig. 3 is the structural representation of bottle cap when enclosing cover is opened.

In figure：1- outer layers bottleneck is connected position with internal layer bottleneck；2- passages；The 3- gas compartments；4- internal layer bottom of bottle；Outside 5- Layer bottom of bottle；6- internal layer bottle walls；7- outer layer bottle walls；8- outer layer bottle necks；9-（Outer layer, internal layer）Bottleneck；10- air channels；20- internal layers bottle Wall is connected position with outer layer bottle wall；31- enclosing covers；32- seal bars；33- tapholes；34- air communications mouthful；35- internal layer bottle caps； 36- screw threads or chimeric line.

Specific embodiment

Embodiment 1：

A kind of air-prevention is mixed into the double-layer plastic bottle of bottled liquid, with being made up of internal layer and outer layer as shown in Figure 1, 2 Double-layer plastic bottle, outer layer bottle and internal layer bottle contain respective bottom of bottle 4 and 5, bottle wall 6 and 7, bottle neck 8 and bottleneck 9 respectively, outer layer The periphery of bottle neck 8 has screw thread or chimeric line, separately there is the bottle cap with the supporting connection of bottle neck 8 as shown in Figure 3.

The thickness of outer layer bottle wall 7 is 2-6 times of the thickness of internal layer bottle wall 6, and internal layer bottle material is soft.

The bottom of bottle 4 of internal layer links together with the bottom of bottle 5 of outer layer, the local Local Phase of bottle wall 7 with outer layer of bottle wall 6 of internal layer Connect together, connected position extends to bottleneck 9 from bottom of bottle 6 or 7, the width at the position that is connected is 5-15mm.

The mouth 8 of outer layer has one or 2 passages 2 for penetrating outer layer bottle wall 7, ventilation in the position that non-two-layer is connected The circumferential aperture in hole 2 is 1-3mm；There is one or several air vent groove 10, air channel 10 on the screw thread of bottle neck or chimeric line Communicated with passage 2, the gas compartment 3 between passage 2 and ectonexine bottle is communicated.

The bottleneck circumference of outer layer is fully sealed with the bottleneck circumference of internal layer and is connected.

Bottle cap is made up of enclosing cover 31 and inner cap 35, and enclosing cover 31 is movably connected in the top of inner cap 35, has solution on inner cap 35 Outlet 33 and air communication mouthful 34；A diameter of 1-5mm of taphole 33, a diameter of 0.2-2mm of air communication mouthful 34.Enclosing cover There is the seal bar 32 for being inserted into taphole 33 and playing sealing process on 31.Closure inside has and the supporting connection of bottle neck Screw thread or chimeric line 36.

Claims

1. a kind of air-prevention is mixed into the double-layer plastic bottle of bottled liquid, with the double-layer plastic bottle being made up of internal layer and outer layer, outer layer Bottle and internal layer bottle contain respective bottom of bottle, bottle wall, bottle neck and bottleneck respectively, and the mouth periphery of outer layer has screw thread or chimeric line, The another bottle cap having with the supporting connection of bottle neck, it is characterised in that：

The thickness of outer layer bottle wall is 2-6 times of internal layer bottle wall thickness；

The bottom of bottle of internal layer links together with the bottom of bottle of outer layer, and the bottle wall part of internal layer is with the bottle wall local-connection of outer layer one Rise, connected position extends to mouth cylindrical part from bottom of bottle；

The mouth of outer layer has the passage for penetrating outer layer bottle wall in the position that non-two-layer is connected, and has one on screw thread or chimeric line Bar or several air vent grooves, air channel are communicated with passage, and the gas compartment between passage and ectonexine bottle is communicated；

The bottleneck circumference of outer layer is fully sealed with the bottleneck circumference of internal layer and is connected；

Bottle cap is made up of enclosing cover and inner cap, and enclosing cover is movably connected in inner cap top, inside covers with taphole and air communication Mouthful；A diameter of 1-5mm of taphole, a diameter of 0.2-2mm of air communication mouthful.

2. air-prevention as claimed in claim 1 is mixed into the double-layer plastic bottle of bottled liquid, it is characterised in that：

With the bottle wall of outer layer in relative both sides local-connection, the width at the position that is connected is 3-20mm to the bottle wall of internal layer.

3. air-prevention as claimed in claim 1 is mixed into the double-layer plastic bottle of bottled liquid, it is characterised in that：

Passage respectively has one or 2 in the relative both sides of bottle neck；The circumferential aperture of passage is 1-3mm.

4. the air-prevention as described in claim 1,2 or 3 is mixed into the double-layer plastic bottle of bottled liquid, it is characterised in that：It is outer to cover also There is seal bar.

5. air-prevention as claimed in claim 3 is mixed into the double-layer plastic bottle of bottled liquid, it is characterised in that：Taphole have to On horn mouth.