CN204846822U

CN204846822U - Multilayer formula air packing plant

Info

Publication number: CN204846822U
Application number: CN201420683322.6U
Authority: CN
Inventors: 张嘉盈
Original assignee: Shanghai Air Paq Packaging Technology Development Co Ltd
Current assignee: Shanghai Air Paq Packaging Technology Development Co Ltd
Priority date: 2014-11-14
Filing date: 2014-11-14
Publication date: 2015-12-09
Anticipated expiration: 2024-11-14

Abstract

The utility model provides a multilayer formula air packing plant, its includes the two -layer or multilayer gas packaging main part of arranging to the coincide, is located the inboard the gas packaging main part forms and is used for storing the chamber that holds of waiting to pack article, the outside the gas packaging main part is with inboard the gas packaging main part all is pneumatic structure, thus the reinforcing multilayer formula air packing plant's shock -absorbing capacity.

Description

Multiple field air-packing device

Technical field

The utility model relates to a kind of air-packing device and manufacture method thereof, particularly relates to a kind of multiple field air-packing device and manufacture method thereof.

Background technology

In modern logistics industry, most widespread use be packing box (packing chest).But the manner of packing of this traditional packing box, does not all provide crashproof anti-collision to prevent falling function.That is, in transport or storage process, packing box or packing chest can be thrown away, and are easy to cause it to be out of shape, thus may cause damage or the distortion of products to be packaged.So the article higher to some packing requirementss, such as electronic digital product, plastic ceramic, biochemical product, food medicine etc., all need to provide buffer action to connection with wrapping of piece, damaged to prevent connection with wrapping of piece in transport and storage process.Existing solution, such as traditional paper package box, it can be filled with padded coaming such as foamed materials in paper package box inside to reach the object providing buffer action.But when the padded coaming of this packing box and filling being transported to packaging ground, its transport and the cost stored are very expensive.And buffering foamed materials contaminated environment, and not environmentally.

Other improvement project is present appreciiable gas flushing pouch on the market, it is formed through a series of hot sealing process by four-level membrane, wherein form plenum chamber between two outer layers film, two-layer internal layer membrane forms unidirectional charge valve, for preventing the gas leakage in plenum chamber from going out to insufflation gas in the plenum chamber of correspondence.Wherein two outer layers film forms the accommodating chamber can holding connection with wrapping of piece after a series of folding, like this, connection with wrapping of piece can be subject to the buffering of gas flushing pouch in each side, to prevent extraneous impact load stress effect to connection with wrapping of piece, thus prevent the damage of connection with wrapping of piece.But, the cushion characteristic of the single-layer type gas flushing pouch formed by two outer layers film is still limited, such as, when a sidewall of gas flushing pouch is subject to clashing into, in described gas flushing pouch, air can not effectively disperse, and the sidewall of gas flushing pouch can not recover shape in time, impact stress too concentrated in local, thus Stress transmit is to connection with wrapping of piece, causes the damage of connection with wrapping of piece.

Summary of the invention

An object of the present utility model is to provide a kind of multiple field air-packing device, it comprises two-layer or multilayer gas flush packaging main body superimposed mutually, wherein one deck gas flush packaging main body and adjacent another layer of gas flush packaging main body are superimposedly arranged, thus strengthen the cushion characteristic of whole multiple field air-packing device.

Another object of the present utility model is to provide a kind of multiple field air-packing device, wherein superimposed mutually two-layer or multilayer gas flush packaging main body heat-sealing and form whole described multiple field air-packing device, or two-layer or multilayer gas flush packaging main body forms, thus described multiple field air-packing device manufacture craft of the present utility model is simple.

Another object of the present utility model is to provide a kind of multiple field air-packing device, wherein said multiple field air-packing device comprises integrally formed two-layer gas flush packaging main body, and two-layer gas flush packaging main body is connected integratedly by connecting portion, thus make this two-layer gas flush packaging main body in superimposedly arranging, thus significantly improve the cushion characteristic of described air-packing device of the present utility model.

Another object of the present utility model is to provide a kind of multiple field air-packing device, wherein two-layer gas flush packaging main body comprises internal layer gas flush packaging main body and outer gas flush packaging main body, described internal layer gas flush packaging main body comprises multiple internal layer inflation unit, described outer gas flush packaging main body comprises multiple outer inflation unit, described internal layer inflation unit and described outer inflation unit in superimposedly arranging, thus strengthen the cushion characteristic of whole air-packing device by superimposed described internal layer inflation unit and described outer inflation unit.

Another object of the present utility model is to provide a kind of multiple field air-packing device, the described internal layer inflation unit of wherein said internal layer gas flush packaging main body and the described outer inflation unit of described outer gas flush packaging main body can not completely closely be fitted, but predetermined space can be produced, thus the two-layer inflation unit of superimposedly arranging strengthens the elastic-restoring force of each side of whole air-packing device, thus improve the cushion characteristic of each side.

Another object of the present utility model is to provide a kind of multiple field air-packing device, when wherein said outer inflation unit is subject to impact load stress, air in described outer inflation unit temporaryly can be dispensed to described internal layer inflation unit, but the buffering of described internal layer inflation unit is returned the capable air that makes again and is back to described outer inflation unit, make described outer inflation unit be returned to initial condition, this ensure that air can not too concentrate on certain specific region.

Another object of the present utility model is to provide a kind of multiple field air-packing device, wherein said internal layer inflation unit and described outer inflation unit are equivalent to provide multi-staged air buffer action, the buffer action that described internal layer inflation unit enhances described outer inflation unit is conversely set, and the buffer action that described outer inflation unit also enhances described internal layer inflation unit is conversely set.

Another object of the present utility model is to provide a kind of multiple field air-packing device, wherein said internal layer inflation unit and described outer inflation unit can also dangerously arrange overlappingly, thus reduce the thickness of described multiple field air-packing device, make again the more weak region of each layer gas flush packaging main body buffer capacity obtain reinforcement by the region that another layer of gas flush packaging main body buffer capacity superimposed with it is stronger, thus improve the cushion characteristic of whole multiple field air-packing device.

Another object of the present utility model is to provide a kind of multiple field air-packing device, and wherein superimposed mutually skin and internal layer inflation unit have identical or different inflation unit structure respectively, as size and dimension is different, thus provides multi-buffer effect.

Another object of the present utility model is to provide a kind of multiple field air-packing device, wherein said outer inflation unit and described internal layer inflation unit can arrange size diameter air chamber separately, cushion characteristic is improved by the arrangement difference of size diameter air chamber, and the comformability to described article to be packaged.

Another object of the present utility model is to provide a kind of multiple field air-packing device, and wherein said multiple field air-packing device structure is simple, easy to make, is suitable for the large-scale application of packaging field.

For reaching above object, the utility model provides a kind of multiple field air-packing device, it comprises the two-layer or multilayer gas flush packaging main body of superimposedly arranging, be positioned at the container cavity of described gas flush packaging main body formation for storing article to be packaged of inner side, the described gas flush packaging main body in outside and the described gas flush packaging main body of inner side are all inflatable structures, thus strengthen the cushion characteristic of described multiple field air-packing device.

Preferably, wherein two-layer or multilayer gas flush packaging main body comprises the described gas flush packaging main body of 2-20 layer.

Preferably, wherein two-layer or multilayer gas flush packaging main body comprises internal layer gas flush packaging main body and outer gas flush packaging main body, and described internal layer gas flush packaging main body forms described container cavity, and is arranged in described outer gas flush packaging main body.

Preferably, wherein said internal layer gas flush packaging main body and described outer gas flush packaging main body are fixed together by heat-sealing or bonding way.

Preferably, wherein said internal layer gas flush packaging main body and described outer gas flush packaging main body superposed arrange or arrange with staggering to form triangle buffer structure at corner.

Preferably, wherein said internal layer gas flush packaging main body is connected integratedly with described outer gas flush packaging main body, and is formed by an inflatable bodies.

Preferably, wherein said inflatable bodies comprises multiple inflation unit and the one or more partitioning slot for separating adjacent two described inflation unit, wherein each inflation unit forms multiple sub-inflation unit be connected by multiple bending seam, and multiple described sub-inflation unit is respectively used to form described internal layer gas flush packaging main body and described outer gas flush packaging main body.

Preferably, also comprise one or more connecting portion, described internal layer gas flush packaging main body is connected by described connecting portion integratedly with described outer gas flush packaging main body, and connecting portion described in each is formed between the described bending seam of two row.

Preferably, wherein said internal layer gas flush packaging main body also comprises one or more folding part, thus after folding, described folding part makes the corner location of described internal layer gas flush packaging main body be approximate right angle.

Preferably, wherein said folding part reduces charge air by exhaust seam.

Preferably, wherein said folding part is not charging portion.

Preferably, wherein said internal layer gas flush packaging main body and described outer gas flush packaging main body can select to have the different described sub-inflation unit of diameter separately, or the described sub-inflation unit that diameter is identical.

Preferably, the sidepiece of wherein said internal layer gas flush packaging main body has the sub-inflation unit of one or more major diameter.

Preferably, wherein said internal layer gas flush packaging main body also there is inseam, be located between at least one first air chamber of sidepiece and at least one second air chamber.

Preferably, the described sub-inflation unit of wherein said internal layer/outer gas flush packaging main body also forms multiple points of inflation unit further by sub-partitioning slot, and its diameter is less than the diameter of the described sub-inflation unit of described skin/internal layer gas flush packaging main body.

Preferably, wherein said partitioning slot produces right angle or inclination or curvilinear turnover at the connecting portion of described internal layer and outer gas flush packaging main body, thus forces superimposed described sub-inflation unit to produce staggered arrangement.

Preferably, wherein said inflatable bodies is formed through heat-sealing and folding technology by the first air chamber layer and the second air chamber layer, described inflatable bodies forms inflation inlet and main channel, and be provided with charge valve in each inflation unit, air enters described main channel from described inflation inlet, and enters inflation unit described in each from described main channel via described charge valve.

Preferably, wherein said charge valve comprises two valve films, its respectively with described first air chamber layer and the described second air chamber layer heat-sealing of described inflatable bodies, a free air diffuser is formed between described two valve films, after being inflated to described inflation unit by described free air diffuser, the inside face automatic absorbing of described two valve films sticks together, to prevent the gas entering described inflation unit from described free air diffuser reverse osmosis.

Preferably, wherein said charge valve is self binding film non return valve, it comprises one first valve film, one second valve film, with a non-return diaphragm seal, described first valve film and described non-return diaphragm seal are positioned at skin, described second valve film is between described first valve film and described non-return diaphragm seal, a free air diffuser is formed between described first valve film and described second valve film, a check cavity is formed between described second valve film and described non-return diaphragm seal, when via described main channel by described free air diffuser after insufflation gas in described inflation unit, described first valve film, the inside face automatic absorbing of described second valve film and described non-return diaphragm seal sticks together, to stop the gas in described inflation unit from described free air diffuser reverse osmosis, and can optionally enter described check cavity when gas returns, and the gas entering described check cavity can produce pressure effect to described second valve film, thus close described free air diffuser further, thus prevent gas reverse osmosis.

According to other one side of the present utility model, the utility model also provides a kind of multiple field air-packing device, and it comprises:

One internal layer gas flush packaging main body, described internal layer gas flush packaging main body comprises multiple internal layer inflation unit, and forms the container cavity for holding article to be packaged;

At least one outer gas flush packaging main body, wherein said outer gas flush packaging main body comprises multiple outer inflation unit, the described internal layer inflation unit of wherein said internal layer gas flush packaging main body and the described outer inflation unit of described outer gas flush packaging main body are superimposedly arranged respectively, thus form multi-layer air buffer structure.

Preferably, the described internal layer inflation unit of wherein said internal layer gas flush packaging main body forms the interior downside wall be connected, interior front side wall and interior rear wall, described outer inflation unit forms the outer front side wall and outside back wall that are connected, and described interior front side wall and described interior rear wall respectively with described outer downside wall, described outer front side wall and described outside back wall form iterative structure.

Preferably, wherein said outer gas flush packaging main body also comprises the outer diapire formed by described outer inflation unit, and the described outer inflation unit of described outer diapire and the described internal layer inflation unit of described internal layer diapire are that lamination ground is arranged.

Preferably, wherein said internal layer gas flush packaging main body also comprises the internal layer left side wall and internal layer right side wall that are formed by described internal layer inflation unit, and described outer gas flush packaging main body also comprises the outer left side wall and outer right side wall that are formed by described outer inflation unit.

Preferably, wherein said internal layer gas flush packaging main body or described outer gas flush packaging main body also comprise the side wall formed by described internal layer inflation unit or described outer inflation unit.

Preferably, wherein said internal layer gas flush packaging main body is connected integratedly with described outer gas flush packaging main body, and formed by an inflatable bodies, wherein said inflatable bodies comprises multiple inflation unit of being arranged side by side and the one or more partitioning slot for separating adjacent two described inflation unit, inflation unit described in each is separated into the multiple described sub-inflation unit of connection via bending seam, and described sub-inflation unit forms the described internal layer inflation unit and described outer inflation unit of alongst arranging.

Preferably, wherein internal layer inflation unit described in each is identical with described outer inflation unit diameter, or has the different air chamber unit of diameter.

Preferably, the described sub-inflation unit wherein forming described internal layer inflation unit or described outer inflation unit is further advanced by sub-partitioning slot and produces multiple points of inflation unit, thus described multiple field air-packing device is formed multilayer buffer structure that each layer has different buffer capacity.

Preferably, wherein said inflatable bodies is formed through heat-sealing and folding technology by the first air chamber layer and the second air chamber layer, described inflatable bodies forms inflation inlet and main channel, and be provided with unidirectional charge valve that is two-layer or three-layer thin-film formation in each inflation unit, air enters described main channel from described inflation inlet, and enters inflation unit described in each from described main channel via described charge valve.

The utility model also provides a kind of manufacture method of multiple field air-packing device, and it comprises the steps:

A () by the first and second air chamber layers, and forms the valve film of charge valve and superimposedly arranges, and formed through heat-sealing can the inflatable bodies of stored-gas;

B () makes described inflatable bodies form multiple independently inflation unit along many partitioning slot heat-sealings, at least one described charge valve is provided with in inflation unit described in each, wherein said inflatable bodies forms inflation inlet and main channel, air enters described main channel from described inflation inlet, and enters inflation unit described in each from described main channel via described charge valve; And

C () makes inflation unit described in each form the sub-inflation unit of multiple connection along the heat-sealing of multiple row bending seam, to form multiple sidewall, multiple described sidewalls is bent along described bending seam thus forms the multiple field air-packing device with inner air package main body and outer air package main body, wherein said inner air package main body forms the container cavity for holding article to be packaged, and described outer air package main body to be superimposedly arranged at outside described inner air package main body thus to form multiple field air cushioning structure.

Preferably, in above-mentioned manufacture method, the diameter of described sub-inflation unit is consistent, or forms the matching structure of major diameter air chamber and minor diameter air chamber.

Preferably, in above-mentioned manufacture method, also comprise step: form major diameter air chamber at the sidepiece of described inner air package main body, these major diameter air chamber inside faces are radian arrangement thus are easy to engage article to be packaged.

Preferably, in above-mentioned manufacture method, also comprise step: at the sidepiece of described inner air package main body by the heat-sealing of inseam, the sidepiece of whole multiple field air-packing device is made to form the iterative structure that described in multilayer, sub-inflation unit is formed, to strengthen the lateral elastic restoring force of described multiple field air-packing device.

Preferably, in above-mentioned manufacture method, also comprise step: make described partitioning slot the connecting portion of described internal layer and outer air package main body produce squarely obliquely or curve-like transfer.

Preferably, in above-mentioned manufacture method, also comprise step: along sub-partitioning slot position heat-sealing thus the described sub-inflation unit of described inner air package main body or described outer air package main body is separated to form further point inflation unit of minor diameter.

Accompanying drawing explanation

Fig. 1 is the schematic perspective view of the multiple field air-packing device according to first preferred embodiment of the present utility model.

Fig. 2 partly cuts open schematic diagram according to the side of the multiple field air-packing device of above-mentioned first preferred embodiment of the present utility model.

Fig. 3 is the schematic cross-section of Fig. 2.

The structural representation of state when Fig. 4 is the unaerated according to the multiple field air-packing device of above-mentioned first preferred embodiment of the present utility model and after launching.

Fig. 5 is the top structure schematic diagram of the multiple field air-packing device according to above-mentioned first preferred embodiment of the present utility model.

Fig. 6 is the bottom construction schematic diagram of the multiple field air-packing device according to above-mentioned first preferred embodiment of the present utility model.

Fig. 7 is using state schematic diagram when being applied to connection with wrapping of piece according to the multiple field air-packing device of above-mentioned first preferred embodiment of the present utility model.

Fig. 8 is the schematic perspective view of the multiple field air-packing device according to second preferred embodiment of the present utility model.

Fig. 9 partly cuts open schematic diagram according to the side of the multiple field air-packing device of above-mentioned second preferred embodiment of the present utility model.

Figure 10 is the schematic cross-section of Fig. 9.

Structural representation when Figure 11 is the unaerated according to the multiple field air-packing device of above-mentioned second preferred embodiment of the present utility model and after deployed condition.

Figure 12 is the top structure schematic diagram of the multiple field air-packing device according to above-mentioned second preferred embodiment of the present utility model.

Figure 13 is the bottom construction schematic diagram of the multiple field air-packing device according to above-mentioned second preferred embodiment of the present utility model.

Figure 14 is the side portion structure schematic diagram of the multiple field air-packing device according to above-mentioned second preferred embodiment of the present utility model.

Figure 15 is using state schematic diagram when being applied to connection with wrapping of piece according to the multiple field air-packing device of above-mentioned second preferred embodiment of the present utility model.

Figure 16 is the perspective view of the multiple field air-packing device of variant embodiment according to second preferred embodiment of the present utility model.

When Figure 17 is the unaerated according to the variant embodiment multiple field air-packing device of second preferred embodiment of the present utility model and launch after schematic diagram.

Figure 18 is the decomposition texture schematic diagram of the multiple field air-packing device according to the 3rd preferred embodiment of the present utility model.

Figure 19 is the perspective view of the multiple field air-packing device according to above-mentioned 3rd preferred embodiment of the present utility model.

Figure 20 is the structural representation of the unidirectional charge valve of multiple field air-packing device according to above-mentioned first preferred embodiment of the present utility model.

Figure 21 to Figure 23 B is the structural representation of the unidirectional charge valve of another kind of multiple field air-packing device according to above-mentioned first preferred embodiment of the present utility model.

Detailed description of the invention

Below describe and realize the utility model for disclosing the utility model to enable those skilled in the art.Preferred embodiment in below describing only as an example, it may occur to persons skilled in the art that other apparent modification.The groundwork of the present utility model defined in the following description can be applied to other embodiments, deformation program, improvement project, equivalent and not deviate from the other technologies scheme of spirit and scope of the present utility model.

Be the multiple field air-packing device according to first preferred embodiment of the present utility model as shown in Figures 1 to 6, it may be used for the various article to be packaged such as stored electrons product, food, medical product, chemical, biologicals, plastic ceramic, fast-moving consumer goods.Because described multiple field air-packing device has air cushioning performance, thus it is suitable for as described article to be packaged provide the effect of air cushioning, the article above-mentioned to be packaged that it will be appreciated by those skilled in the art that are not limited to enumerated example here, according to actual needs, multiple field air-packing device of the present utility model also goes for the packaging of other class article.

Particularly, described multiple field air-packing device comprises two-layer or multilayer gas flush packaging main body, and it is superimposedly arranged mutually, thus strengthens the cushion characteristic of whole air-packing device.It will be appreciated by persons skilled in the art that described two-layer or multilayer gas flush packaging main body can be two-layer gas flush packaging main body, three layers of gas flush packaging main body or more layer gas flush packaging main body.In this preferred embodiment, for two-layer gas flush packaging main body, it comprises internal layer gas flush packaging main body 1 and outer gas flush packaging main body 2, its mutually superimposedly and dislocation ground arrange, to strengthen the cushion characteristic of the perisporium of described multiple field air-packing device.

Described internal layer gas flush packaging main body 1 and described outer gas flush packaging main body 2 can be independent inflatable structures, it connects into integral structure by connection modes such as heat-sealings, also can be described internal layer gas flush packaging main body 1 and described outer gas flush packaging main body 2 be integrative-structures, in this preferred embodiment of the present utility model, for integrative-structure, described internal layer gas flush packaging main body 1 and described outer gas flush packaging main body 2 are formed by inflatable bodies 10.Certainly, the integral structure that independent described internal layer gas flush packaging main body 1 and described outer gas flush packaging main body 2 are formed also has multilayer architecture, thus can strengthen the cushion characteristic of whole described multiple field air-packing.

In this preferred embodiment of the present utility model, described internal layer gas flush packaging main body 1 and described outer gas flush packaging main body 2 are arranged on ground in lamination.More specifically, inflatable bodies 10 comprises at least one inflation unit 11, wherein said inflation unit 11 comprises one first air chamber layer 101 and one second air chamber layer 102, it is overlapped to form an inflatable chamber 12 and to be formed with at least one inflation inlet 13, and described inflation inlet 13 is connected with described inflatable chamber 12 and inflates for described inflatable chamber 12.As shown in FIG., two or more inflation unit 11 is arranged side by side to form inflatable bodies 10, and wherein said charge valve 20 is arranged at each described inflation unit 11.In other words, described in each, inflation unit 11 can be inflated independently, a partitioning slot 103 extended is being formed between inflation unit 11 described in adjacent two, it may be embodied as the hot-sealing line described in adjacent two between inflation unit 11, thus described inflatable chamber 12 can be divided into multiple independent inflatable chamber 12 by these partitioning slot 103.At one, described inflation unit 11 is damaged and when leaking gas, other described inflation unit 11 can be unaffected like this.Certainly, it is worth mentioning that, described inflation unit 11 also can interconnect, and so only needs a charge valve 20, just can inflate all described inflation unit 11.That is, described multiple field air-packing device of the present utility model can form multiple described inflation unit 11 by the heat-sealing of described first air chamber layer 101 and described second air chamber layer 102.

In addition, because the shape of every described inflation unit 11 can change after inflation, thus inflatable bodies 10 can make various shape and size.Described inflation unit 11 can be strip (as horizontal strip and/or longitudinal strip etc.), and block etc., its shape is unrestricted, and in this preferred embodiment, described inflation unit 11 can form strip.In the preferred embodiment, inflatable bodies 10 can also form a gas fill port 14, described gas fill port 14 is connected with described inflation inlet 13, and be connected with each inflation unit 11 by one or more described charge valve 20, like this when inflating from described inflation inlet 13, air can enter described gas fill port 14, and then air guiding is entered charge valve 20 described in corresponding each by described gas fill port 14, thus air enters into inflation unit 11 described in each again.That is, described gas fill port 14 is air distribution channel, and the air be filled with from inflation inlet 13 is assigned to inflation unit 11 described in each by it.Inflation inlet 13 place can be provided with charging connector, to be connected to an inflatable appliance as inflation pump, thus is that described multiple field air-packing device fills air.

The each described inflation unit 11 of inflatable bodies 10 has multiple bending seam 104 respectively, makes each described inflation unit 11 form the sub-inflation unit 111 of multiple correspondence further like this.It is worth mentioning that, the position of the described bending seam 104 of inflation unit 11 described in these is corresponding, that is, inflatable bodies 10 has the bending seam 104 that multiple row is arranged apart from one another by ground, be arranged on the described bending seam 104 of multiple described inflation unit 11 along straight-though arrangement, but be not continuous print, thus form a sidewall between the described bending seam 104 of adjacent two row, thus the packing box described in making with air cushioning performance defines multiple sidewall, these side walls enclose go out a container cavity, for the described article to be packaged of accommodation.Alternatively, inflatable bodies 10 has the bending seam 104 of multiple row for bending, it can be arranged in the nodal line arranged apart from one another by ground, thus along these row bending seams 104, make inflatable bodies 10 form multiple gas chamber sidewall, thus form described internal layer gas flush packaging main body 1 and described outer gas flush packaging main body 2.

In this preferred embodiment of the present utility model, described inflatable bodies 10 forms connecting portion 30, and one is connected with described outer gas flush packaging main body 2 with described internal layer gas flush packaging main body 1.Described connecting portion 30 comprises multiple turnover seam 31, and extends the turnover unit 32 between adjacent two described turnover seams 31.Described turnover seam 31 extends between the described inflation unit 11 of described internal layer gas flush packaging main body 1 and described outer gas flush packaging main body 2 obliquely, and is connected to described partitioning slot 103.

In addition, the quantity of the described bending seam 104 of inflation unit 11 described in each can be arranged as required, and that is, the columns bending seam 104 described in the multiple row of inflatable bodies 10 can change, thus the inflatable bodies 10 of correspondence can have multiple sidewall.Thus make described air-packing device form the spatial accommodation of different shapes, to form the air-packing device of difformity and structure.

In addition, adjacent described sub-inflation unit 111 does not separate by these bending seams 104, that is, is formed with at least one communicating passage 112 between adjacent described sub-inflation unit 111, thus when inflating, air enters each described sub-inflation unit 111 by these communicating passage 112.In example shown in the figure, the centre between adjacent described sub-inflation unit 111 is provided with the described bending seam 104 that heat-sealing is formed, and the both sides of described bending seam 104 are formed with described communicating passage 112.In other embodiment, also can be that the two-end part heat-sealing of described sub-inflation unit 111 forms described bending seam 104, and middle part form described communicating passage 112.

As seen from the figure, the described sub-inflation unit 111 of described internal layer gas flush packaging main body 1 and the described sub-inflation unit 111 of described outer gas flush packaging main body 2 are superimposedly arranged, thus form double-decker.Further, this a little inflation unit 111 of described inflation unit 11 alongst arranges, thus form multiple internal layer inflation unit 1111 of described internal layer gas flush packaging main body 1 respectively, and the multiple outer inflation unit 1112 of described outer gas flush packaging main body 2.The each extension each other naturally of described internal layer inflation unit 1111 and described outer inflation unit 1112, and be connected to form described inflation unit 11 integratedly.Described internal layer inflation unit 1111 and described outer inflation unit 1112 are respectively used to through bending the sidewall forming described internal layer gas flush packaging main body 1 and described outer gas flush packaging main body 2, and arrange in superimposed shape ground.

Such as in this preferred embodiment, described internal layer gas flush packaging main body 1 forms interior front side wall 1a, interior rear wall 1b, the container cavity 100 depositing article to be packaged is defined with interior downside wall 1e, described outer gas flush packaging main body 2 forms outer front side wall 2a, outside back wall 2b, and outer downside wall 2e.The described interior front side wall 1a of described internal layer gas flush packaging the main body 1 and described outer front side wall 2a of described outer gas flush packaging main body 2 superimposedly arranges, the described interior rear wall 1b of described internal layer gas flush packaging the main body 1 and described outside back wall 2b of described outer gas flush packaging main body 2 superimposedly arranges, the described interior downside wall 1e of described internal layer gas flush packaging the main body 1 and described outer downside wall 2e of described outer gas flush packaging main body 2 superimposedly arranges, thus forms multiple field iterative structure in each side of described air-packing device of the present utility model.As shown in Figure 6, the two ends potted line 116 and 117 along described inflatable bodies 10 seals, thus is connected into together by described inflatable bodies 10 head and the tail.It is worth mentioning that, in this preferred embodiment, described internal layer gas flush packaging main body 1 forms the inner bag with container cavity 100, and described outer gas flush packaging main body 2 also forms the outer bag with spatial accommodation, described internal layer gas flush packaging main body 1 extends into the described spatial accommodation of the described outer bag that described outer gas flush packaging main body 2 is formed, thus forms bag in bag structure.Certainly, the utility model is not restricted in this respect, in actual applications, also can have other structures, instead of forms the Bag structure of rule completely.

Like this, in this preferred embodiment of the present utility model, the described internal layer inflation unit 1111 of described internal layer gas flush packaging main body 1 is arranged with described outer gas flush packaging main body 2 and described outer inflation unit 1112 lamination ground, to strengthen the cushion characteristic of described air-packing device of the present utility model.The described internal layer inflation unit 1111 of described internal layer gas flush packaging main body 1 and the described outer inflation unit 1112 lamination ground of described outer gas flush packaging main body 2 are arranged thus form cushion space between described internal layer inflation unit and described outer inflation unit, like this, the impact load stress being applied to described outer inflation unit can not directly be passed to article to be packaged, but provide predetermined buffering effect to described outer inflation unit 1112 by described cushion space, then described internal layer inflation unit 1111 provides buffering effect further, thus distributing shocks stress effectively.

When described outer inflation unit 1112 is subject to impact load stress, air in described outer inflation unit 1112 temporaryly can be dispensed to described internal layer inflation unit 1111, but the buffering restoring force of described internal layer inflation unit 1111 makes air be back to described outer inflation unit 1112 again, make described outer inflation unit 1112 be returned to initial condition, this ensure that air can not too concentrate on certain specific region.The superimposed layout of described outer inflation unit 1112 and described internal layer inflation unit 1111, enhances its recoverability, thus more effectively can provide cushion characteristic.

In certain embodiments, such as this internal layer gas flush packaging main body 1 is connected to described outer gas flush packaging main body 2 by one or more connecting portion 30 integratedly, during to be used for packing this connection with wrapping of piece, the positioning action to connection with wrapping of piece can be played, thus strengthen buffer action.Described connecting portion 30 forms two rows and bends between seam 104, thus described connecting portion 30 also forms inflatable structure, as shown in fig. 1, can strengthen the top cushion performance of described multiple field air-packing device.It will be understood by those skilled in the art that, in further embodiments, described multiple field air-packing device of the present utility model can not have obvious described connecting portion 30 yet, namely adjacent internal layer inflation unit 1111 and outer inflation unit 1112 bending and forming integratedly.

When connection with wrapping of piece is stored in packing device of the present utility model and transport time, when whole air-packing device is rocked because of impacting because internal layer gas flush packaging main body 2 pull effect, make connection with wrapping of piece not be concentrated in certain local location.Particularly, such as, when connection with wrapping of piece is for when corner is rocked to the right, the limit, left side of the internal layer gas flush packaging main body 1 of described air-packing device of the present utility model is because be connected in the outer gas flush packaging main body 2 in outside, thus its effect of pullling can make connection with wrapping of piece can get back to original position.That is, when connection with wrapping of piece is stored in the internal layer gas flush packaging main body 1 of air-packing device, can tend to all the time remain on fixed position, and keep preset distance with the described outer gas flush packaging main body 2 in outside, and directly do not contact, thus the stress being applied to the described outer gas flush packaging main body 2 in outside is able to by sealed air chamber dispersed, and connection with wrapping of piece can not be directly passed to from the sealed air chamber of described outer gas flush packaging main body 2.

In addition on the one hand, because internal layer gas flush packaging main body 1 of the present utility model is connected and fixed with the described outer gas flush packaging main body 2 in outside, this makes the cushion space between internal layer gas flush packaging main body 1 of the present utility model and described outer gas flush packaging main body 2 have the air of scheduled volume.When the outer gas flush packaging main body that inflation three-dimensional packaging body is formed is clashed into and is impacted, cushion space between internal layer gas flush packaging main body 1 and described outer gas flush packaging main body 2 and the air of scheduled volume also form one deck air chamber structure 3, thus can contribute to playing buffer action, and the sealed air chamber of connection with wrapping of piece and described outer gas flush packaging main body 2 is separated, thus prevents the impulsive force of the sealed air chamber being applied to described outer gas flush packaging main body 2 to be directly passed to connection with wrapping of piece.Like this, by the air cushioning effect between internal layer gas flush packaging main body 1 and outer gas flush packaging main body 2, make to arrange the buffering package effect that two-layer gas flush packaging main body also enhances air-packing device of the present utility model.

In addition, also connected by abutted seam 114 between the end inflation unit 1113 at the both ends of described skin and internal layer gas flush packaging main body 2 and 1, and internal layer gas flush packaging main body 1 is also provided with inseam 115, it by side buffer cell 1114 involution together, thus provide cushion space at described side buffer cell 1114 and described end inflation unit 1113, the inflation unit of sidepiece is made also to form iterative structure like this, thus there is stronger elastic-restoring force, thus enhance the sidepiece cushion characteristic of whole air-packing device.

Described internal layer inflation unit 1111 and the described outer inflation unit 1112 of described internal layer gas flush packaging main body 1 of the present utility model and the described outer gas flush packaging main body 2 in outside can have roughly the same structure, also can be the structures with difformity and size.Such as in this preferred embodiment of the present utility model, from Fig. 1 to Fig. 4, the described sub-inflation unit 111 of described internal layer gas flush packaging main body 1 and the described sub-inflation unit 111 of described outer gas flush packaging main body 2 have different air chamber structures.More specifically, the described internal layer inflation unit 1111 quilt partitioning slot 105 of described internal layer gas flush packaging main body 1 is divided into multiple points of inflation unit 1111i further, multiple points of inflation unit 1111i of described internal layer inflation unit 1111 formation of the corresponding described internal layer gas flush packaging main body 1 of a described outer inflation unit 1112 of described so outer gas flush packaging main body 2.Such as, in example shown in the figure, internal layer inflation unit 1111 described in each is divided into point inflation unit 1111i described in two by a described sub-partitioning slot 105, two points of inflation unit 1111i of described internal layer inflation unit 1111 formation of the corresponding described internal layer gas flush packaging main body 1 of a described outer inflation unit 1112 of described so outer gas flush packaging main body 2.

In the above embodiments, alternatively, described outer gas flush packaging main body 2 forms major diameter air chamber structure, and described internal layer gas flush packaging main body 1 forms minor diameter air chamber structure, described so outer gas flush packaging main body 2 forms the arrangement of the different air chamber structure of multilayer with described internal layer gas flush packaging main body 1, every layer of air chamber provides the resiliency fruit of different levels, particularly, described outer gas flush packaging main body 2 provides the buffering effect of major diameter air chamber, the buffering effect of the filling air between described outer gas flush packaging main body 2 and described internal layer gas flush packaging main body 1, and the minor diameter air chamber resiliency fruit of described internal layer gas flush packaging main body 1, thus whole multiple field air-packing device provides multi-buffer effect.

It is worth mentioning that, those skilled in the art also will be understood that, in multi-layer air packing device of the present utility model, also can be that described outer gas flush packaging main body 2 has minor diameter inflation unit, and described internal layer gas flush packaging main body 1 have major diameter inflation unit.Or internal layer and skin all have size diameter inflation unit, and are alternately arranged as required.

As shown in Figure 7, when the air chamber length of the diapire of described internal layer and outer gas flush packaging main body 1 and 2 is shorter, and when the air chamber length of sidewall is longer, described multiple field air-packing device is suitable for packaging flat plate shape or thin item.In actual applications, multiple described multiple field air-packing device also can be used to pack article to be packaged, such as can with two described multiple field air-packing devices to pack article to be packaged to the mode of cover.

As the structural representation that Fig. 8 to Figure 15 is the multiple field air-packing device according to second preferred embodiment of the present utility model, it has the structure of the multiple field air-packing device of similar above-mentioned first preferred embodiment, and is more suitable for for square article to be packaged.

Similarly, it comprises internal layer gas flush packaging main body 1A and outer gas flush packaging main body 2A, and it is superimposedly arranged mutually, to strengthen the cushion characteristic of the perisporium of described multiple field air-packing device.Described internal layer gas flush packaging main body 1A and described outer gas flush packaging main body 2A can be independent inflatable structure, it connects into integral structure by connection modes such as heat-sealings, also can be described internal layer gas flush packaging main body 1A and described outer gas flush packaging main body 2A be integrative-structure, in this preferred embodiment of the present utility model, for integrative-structure, described internal layer gas flush packaging main body 1A and described outer gas flush packaging main body 2A is formed by inflatable bodies 10A.Certainly, the integral structure that independent described internal layer gas flush packaging main body 1A and described outer gas flush packaging main body 2A is formed also has multilayer architecture, thus can strengthen the cushion characteristic of whole described multiple field air-packing.

In this preferred embodiment, the internal layer inflation unit 1111A of described internal layer gas flush packaging main body 1A forms interior front side wall 1a ', interior rear wall 1b ', interior left side wall 1c ', interior right side wall 1d ' and interior downside wall 1c ' also defines the container cavity 100A depositing article to be packaged, and the outer inflation unit 1112A of described outer gas flush packaging main body 2A forms outer front side wall 2a ', outside back wall 2b ', outer left side wall 2c ', external right side wall 2d ' and outer downside wall 2e '.The described interior front side wall 1a ' of described internal layer gas flush packaging main body 1A, described interior rear wall 1b ', described interior left side wall 1c ', the described outer front side wall 2a ' of described interior right side wall 1d ' and described interior downside wall 1c ' and described outer gas flush packaging main body 2, described outside back wall 2b ', described outer left side wall 2c ', described external right side wall 2d ' and described outer downside wall 2e ' superimposedly arrange respectively, thus form multiple field iterative structure in each side of described air-packing device of the present utility model.

It is worth mentioning that, internal layer described in each and outer gas flush packaging main body 1A and 2A also comprise two folding unit 40A corresponding two corners being positioned at the described air-packing device after inflation respectively, thus make to be easy to folding at the corner of the described air cushioning packaging bag formed, facilitate the shaping of spatial configuration.Further, diapire can roughly at right angles to be arranged by respectively with four perisporiums, thus between described diapire and four described perisporiums the oblong of formation rule or foursquare spatial accommodation.Described folding unit 40A can outwardly convex, it is inner so that described multiple field air-packing device can be filled in, and the setting of described folding unit 40A makes described internal layer gas flush packaging main body 1A form two sidewall 1c ' and 1d ', described outer gas flush packaging main body 2A forms two sidewall 2c ' and 2d ', and these sidewalls form approximate right angle respectively and between adjacent diapire and front-rear side walls, thus whole described air-packing device is suitable for the article to be packaged holding general square shape.

Folding unit 40A described in each can arrange multiple exhaust seam 401A at the described sub-air chamber unit 111A of correspondence and realize, these exhaust seams 401A decreases the charge air of corresponding described sub-air chamber unit 411A, thus is convenient to the folding of whole described folding unit 30A.And described exhaust seam 401A, such as can be formed by sealing, its shape, size, position etc. are unrestricted, such as, can be hot-sealing line or the heat-sealing block of multiple transverse direction or longitudinal arrangement.

In a further embodiment, folding unit 40A also can be not inflation unit, and is realized the distribution of gas by the communicating passage of the transverse direction between sub-inflation unit.In addition, the described sub-air chamber unit of internal layer described in each and outer gas flush packaging main body 1A and 2A can have the diameter that varies in size, thus is adapted to the shape and size of article to be packaged.Further, the described sub-air chamber unit of the diameter that varies in size can realize multi-buffer, thus also strengthens the cushion characteristic of whole described air-packing device.In this preferred embodiment, the sidepiece of described internal layer gas flush packaging main body 1A has major diameter air chamber, thus makes the side interior wall of described internal layer gas flush packaging main body 1A in roughly arcuation, thus better with the laminating of described article to be packaged.

The multiple field air-packing device of a kind of variant embodiment according to above-mentioned second preferred embodiment of the present utility model as shown in FIG. 16 and 17, wherein said outer gas flush packaging main body 2A does not form outer downside wall, thus described multiple field air-packing device is four sides forms double-layered structure.It will be understood by those skilled in the art that, according to design of the present utility model, the collocation of the sidewall of described internal layer and outer gas flush packaging main body 1A and 2A also can other various selections, such as increase or reduce certain sidewall, in certain embodiments, also likely form side wall, and become the cap structure of described multiple field air-packing device.

In addition, the described outer inflation unit 1112A of described outer gas flush packaging main body 2A also can form not exclusively overlapping structure with the described internal layer inflation unit 1111A of described internal layer gas flush packaging main body 1A, namely partitioning slot 103A linearly extends, but produce at the connecting portion of the described outer inflation unit 1112A of described outer gas flush packaging main body 2A and the described internal layer inflation unit 1111A of described internal layer gas flush packaging main body 1A and transfer, as vertical tilt or curve-like transfer, described outer inflation unit 1112A superimposed mutually and described internal layer inflation unit 1111A is made to form staggered arrangement.

In addition, the partitioning slot 103A position of described internal layer gas flush packaging main body 1A is not inflatable structure, buffer capacity is more weak, and what correspond to the described outer gas flush packaging main body 2A of the partitioning slot 103A position of described internal layer gas flush packaging main body 1A is the inflatable structure that described outer inflation unit 1112A is formed, there is stronger buffer action; Similarly, the partitioning slot 103A position of described outer gas flush packaging main body 2A is not inflatable structure, buffer capacity is more weak, and correspond to described outer gas flush packaging main body 2A partitioning slot 103A position described internal layer gas flush packaging main body 1A be described internal layer inflation unit 1111A formed inflatable structure, there is stronger buffer action, the internal layer that such dislocation is superimposed and outer gas flush packaging main body 1A and 2A make each side of whole air-packing device improve cushion characteristic, and can ensure the basic uniformity of each side cushion characteristic.

It is worth mentioning that above-mentioned various seam is as partitioning slot, bending seam, turnover seam, end joint seal, inseam etc. can be formed by hot sealing process.Its by hot sealing process by two-layer or multi-layer flexible film heat-sealing.

As shown in Figure 18 and Figure 19, according to the 3rd preferred embodiment of the present utility model, described multiple field air-packing device comprises two-layer air-packing main body 1B and 2B, and two-layer gas flush packaging main body 1B and 2B each freedom inflatable bodies 10B is formed, two described inflatable bodies 10B are linked together by heat-sealing seam 15B heat-sealing, and form rhythmo structure.

As shown in FIG., the iterative structure of internal layer gas flush packaging main body 1B and outer gas flush packaging main body 2B can be varied, can be such as that basic configuration is consistent, thus it is superposed superimposed, can be, shown in similar Figure 19, arrange with staggering, i.e. connecting edge between the sidewall of described internal layer gas flush packaging main body 1B have the connecting edge between the sidewall of described outer gas flush packaging main body 2B overlapping yet, thus form triangular support configurations in each corner, thus strengthen buffer action.

As shown in figure 20, described charge valve 20 is unidirectional charge valves, and it comprises two diaphragm seals 21 and 22, and what it overlapped each other is fixed between described 2 air chambers layer 101 and 102, thus forms four-layer structure, forms a filling channel 24 between described two diaphragm seals 21 and 22.Correspondingly, after described inflatable bodies 10 is inflated, described two diaphragm seals 21,22 are bonded together to be sealed by filling channel described in described airbag, thus by aeroseal in the described inflatable chamber 12 of described inflatable bodies 10, when described inflatable bodies 10 comprises multiple inflation unit 11, multiple charge valve 20 be arranged on accordingly in inflation unit 11 described in each with respectively by aeroseal in each inflation unit 11.Especially, described first diaphragm seal 21 is bonded in described first air chamber layer 101 overlappingly, and described second diaphragm seal 22 is bonded in described second air chamber layer 102 overlappingly.When inflating to described inflatable bodies 10, air is guided the described filling channel 24 entering and formed between described first diaphragm seal 21 and described second diaphragm seal 22.After described airbag is full of gas, described first diaphragm seal 21 and described second diaphragm seal 22 bonded to each other thus seal the described filling channel 24 of described airbag.In addition, the gas pressure in described airbag in described two diaphragm seals 21 and 22, thus ensures that described two diaphragm seals 21 and 22 hold tightly together, and leaks out from described air valve 20 to prevent air.That is, described air valve is a check valve, and it allows gas enter described inflatable bodies 10 and prevent gas reverse osmosis from going out.

The formation of the described filling channel 24 of described charge valve 20 can arrange baffling device to realize between described two diaphragm seals 21 and 22, when described two diaphragm seals 21 and 22 and described 2 air chambers layer 101 and 102 are sealed, because the setting of described baffling device, described two diaphragm seals 21 and 22 can not heat-sealing completely, thus forms described filling channel 24.In a concrete example, described baffling device can be resistant to elevated temperatures ink.

As shown in Figure 21 to Figure 23 B, be the air rubber capsule device according to another embodiment of the present utility model, it mainly illustrates the structure of another charge valve 20A, and described charge valve 20A is double check valve (DCV), provides double sealing effect to give described airbag.Wherein said charge valve 20A comprises one first diaphragm seal 21A, an one second diaphragm seal 22A and non-return diaphragm seal 23A.

Described first diaphragm seal 21A and described second diaphragm seal 22A overlaps between the described first air chamber layer 101A of described inflation unit 11A and described second air chamber layer 102A.Described first diaphragm seal 21A and described second diaphragm seal 22A is the overlapped two thin layer flexible membranes be made of plastics.Preferably, described first diaphragm seal 21A and described second diaphragm seal 22A is identical two membranes.

Often described first diaphragm seal 21A and described second diaphragm seal 22A has a proximal edge, and it extends the entrance of the described charge valve 20A of described inflation unit 11A, and a distal edge, and it is inner that it extends to described inflation unit.Preferably, described first diaphragm seal 21A and the described proximal edge of the second diaphragm seal 22A and the border of distal edge are adjoined separately.

In the present embodiment, the proximal edge of described first diaphragm seal 21A and described first air chamber layer 101A bonding.Proximal edge and the described second air chamber layer 102A of described second diaphragm seal 22A are bonding.

Described non-return diaphragm seal 23A is overlapped in the near-end of described first diaphragm seal 21A and described second diaphragm seal 22A, to form a filling channel 24A between described first diaphragm seal 21A and described non-return diaphragm seal 23A, and form a non-return passage 25A between described non-return diaphragm seal 23A and described second diaphragm seal 22A.

Described filling channel 24A is aligned to for being filled with air to fill described inflation unit 11A to described inflatable chamber 12A, until by the air pressure in described inflatable chamber 12A, make the far-end of described first diaphragm seal 21A and described second diaphragm seal 22A overlapping and seal to close described filling channel 24A.According to this preferred embodiment, when having gas from when having air leak between described first diaphragm seal 21A and the far-end of described second diaphragm seal 22A, in described inflatable chamber, the air of 12 is guided and enters described non-return passage 25A, to produce supplementary air pressure, thus seal described filling channel 24A further, to compensate the deficiency of the sealing effectiveness of described first diaphragm seal 21A and described second diaphragm seal 22A.

Described filling channel 24A has two open ends, and one of them nearly open end is formed at the proximal edge of described first diaphragm seal 21A and described non-return diaphragm seal 23A.One of in addition open end far away extends to the distal edge of described first diaphragm seal 21A and described second diaphragm seal 22A, to be connected with described inflatable chamber 12A.Pressurized air can enter described inflatable chamber 12A by described filling channel 24A guiding.

It is worth mentioning that, after described inflation unit 11A is full of air, air pressure in described inflatable chamber 12A applies pressure to described first diaphragm seal 21A and described second diaphragm seal 22A, thus seal described first diaphragm seal 21A and described second diaphragm seal 22A distal edge, and seal the open end far away of described filling channel 24A.In addition, the far-end of described first diaphragm seal 21A and described second diaphragm seal 22A is sealed because of surface tension.

Described non-return diaphragm seal 23A is the thin layer flexible membrane be made of plastics.Preferably, described non-return diaphragm seal 23A, described first diaphragm seal 21A and described second diaphragm seal 22A are polyethylene (PE) film.In addition, often the thickness of described first air chamber layer 101A and described second air chamber layer 102A is greater than often described first diaphragm seal 21A, the thickness of described second diaphragm seal 22A and described non-return diaphragm seal 23A.

According to preferred embodiment of the present utility model, the length of described non-return diaphragm seal 23A is less than the length of often described first diaphragm seal 21A and described second diaphragm seal 22A, thus when described non-return diaphragm seal 23A is overlapped in the near-end of described first diaphragm seal 21A and described second diaphragm seal 22A, the far-end of described first diaphragm seal 21A and described second diaphragm seal 22A overlaps.It is worth mentioning that, the length of described non-return diaphragm seal 23A is defined as the distance between the proximal edge of described non-return diaphragm seal 23A and distal edge.Often the length of described first diaphragm seal 21A and described second diaphragm seal 22A is defined as the distance between the proximal edge of described first diaphragm seal 21A and described second diaphragm seal 22A and distal edge.

Correspondingly, the proximal edge of described first diaphragm seal 21A and described second diaphragm seal 22A and the proximal edge place of described non-return diaphragm seal 23A adjoin.In addition, the proximal edge of described non-return diaphragm seal 23A and the proximal edge of described second diaphragm seal 22A bonding.

Described non-return passage 25A is formed between described non-return diaphragm seal 23A and described second diaphragm seal 22A, and wherein said non-return passage 25A has an open end towards described inflatable chamber 12A and a Closed End to valve openings.In other words, the near-end of described non-return passage 25A is described closed end and the far-end of described non-return passage 25A is described open end.

Correspondingly, when air is filled with described non-return passage 25A in described open end, described non-return passage 25A is filled with air to produce supplementary air pressure, thus the described filling channel 24A further between sealing described first diaphragm seal 21A and described second diaphragm seal 22A.

It is worth mentioning that, when being inflated to described inflatable chamber 12A by described filling channel 24A, the air flow in described filling channel 24A is contrary with the air flow of described non-return passage 25A.Therefore, air can not be filled with described non-return passage 25A.When air reveals back described non-return passage 25A from described inflatable chamber 12A, air enters described non-return passage 25A and seals described filling channel 24A further to produce supplementary air pressure, thus prevents gas leakage.It is worth mentioning that, the air of leakage, before revealing from the nearly open end of described filling channel 24A, can flow to the open end far away of described non-return passage 25A, thus avoid air leak from the open end far away of described filling channel 24A.In addition, described non-return diaphragm seal 23A and described first diaphragm seal 21A is sealed to seal described filling channel 24A due to surface tension.

In order to form described charge valve 20A at described inflation unit 11A, described charge valve 20A also comprises one first sealed engagement place 201 to be bonded together by described first air chamber layer 101A and described first diaphragm seal 21A at the valve openings place of described inflation unit 11A, with one second sealed engagement place 202 described second air chamber layer 102A, described non-return diaphragm seal 23A and described second diaphragm seal 22A are bonded together at the valve openings place of described inflation unit 11A.

Correspondingly, the proximal edge of described first diaphragm seal 21A is bonded with described first air chamber layer 101A by described first sealed engagement place 201.The proximal edge of described second air chamber layer 102A and described second diaphragm seal 22A, the proximal edge of described non-return diaphragm seal 23A is bonded together by described second sealed engagement place 202A.Preferably, two apart from one another by sealed engagement place 201A be used for described first air chamber layer 101A and described first diaphragm seal 21A to bond, two apart from one another by the second sealed engagement place 202A be used for described second air chamber layer 102A, described non-return diaphragm seal 23A and described second diaphragm seal 22A.It is worth mentioning that, described first sealed engagement place 201A and described second sealed engagement place 202A can be hot-sealing line, also can be the heat-sealing of other shapes as crescent shape.In other words, the proximal edge of described first diaphragm seal 21A and described first air chamber layer 101A are by described sealed engagement place 201A heat-sealing.The proximal edge of described second air chamber layer 102A and described second diaphragm seal 22A, and the proximal edge of described non-return diaphragm seal 22 is by described second sealed engagement place 202A heat-sealing.

After remaining on described heat seal process, space is had between described first diaphragm seal 21A and described non-return diaphragm seal 23A, described charge valve 20A also comprises one first heat-resisting thing 26A, and it is formed between described first diaphragm seal 21A and described non-return diaphragm seal 23A to ensure the formation of described filling channel 24A.Described first heat-resisting thing 26A is used for preventing described first diaphragm seal 21A and described non-return diaphragm seal 23A to be pasted together completely after described heat seal process.

Particularly, described first heat-resisting thing 26A is arranged on the near side (ns) edge of described first diaphragm seal 21A and described non-return diaphragm seal 23A and is positioned at the valve openings place of described inflation unit 11A, thus ensures that the described near-end of described filling channel 24A is in open mode.

Same, after remaining on described heat seal process, space is had between described second diaphragm seal 22A and described non-return diaphragm seal 23A, described charge valve 20A also comprises one second heat-resisting thing 27A, and it is formed between described second diaphragm seal 22A and described non-return diaphragm seal 23A to ensure the formation of described non-return passage 25A.

Particularly, described second heat-resisting thing 27A is arranged on the distal edge edge of described second diaphragm seal 22A and described non-return diaphragm seal 23A, thus ensures that the described far-end of described non-return passage 25A is in open mode.It is worth mentioning that, the near-end of described non-return passage 25A is closed by described second sealed engagement place 202.

According to this preferred embodiment, described first heat-resisting thing 26A and described second heat-resisting thing 27A is two refractory layers, and it is coated in the desired location on each self-corresponding film, is pasted together to prevent film in described pad envelope process.Described first heat-resisting thing 26A extends described non-return diaphragm seal 23A near-end side, and towards described first diaphragm seal 21A.The far-end that described second heat-resisting thing 27A extends described non-return diaphragm seal 23A is positioned at opposite side, and towards described second diaphragm seal 22A, wherein said second heat-resisting thing 27A is not arranged on the opposite side of the near-end of described non-return diaphragm seal 23A, and the described near-end of described like this non-return passage 25A can be closed by described second sealed engagement place 202A.It is worth mentioning that, described second heat-resisting thing 27A not only avoids described non-return diaphragm seal 23A and described second diaphragm seal 22A to be bonded together, to ensure that the described far-end of described non-return passage 25A is in open mode, and the effect strengthened between described non-return diaphragm seal 23A and described first diaphragm seal 21A, thus because surface tension is to close described filling channel 24A.

Described charge valve 20A also comprises two side direction sealed engagement place 203A, and it is that two the 3rd sealed engagement are sentenced described for bonding the first diaphragm seal 21A and described non-return diaphragm seal 23A, thus forms the sidewall of described filling channel 24A.The width of described filling channel 24A is defined by described two side direction sealed engagement 203A.Particularly, described two side direction sealed engagement place 203A are two inclination hot-sealing lines, thus the width of described filling channel 24A successively decreases from each described inflatable chamber of described valve openings.In other words, the nearly open end of described filling channel 24A be a larger open end its be connected with described valve openings, and the open end far away of described filling channel 24A is a cone-shaped open end and be communicated with described inflatable chamber 12A.The filling channel 24A of described taper avoids air to be leaked to described valve openings from described inflatable chamber 12A further.

Preferably, described lateral seal joint 203A extends to its distal edge from the proximal edge of described first diaphragm seal 21A and described second diaphragm seal 22A.Therefore, described lateral seal joint 203A is positioned at described first diaphragm seal 21A and described second diaphragm seal 22A proximal part and described non-return diaphragm seal 23A and is bonded together.Described lateral seal joint 203A is positioned at described first diaphragm seal 21A and described second diaphragm seal 22A distal portions and described first diaphragm seal 21A and described second diaphragm seal 22A and is bonded together.

Correspondingly, in order to inflate to described inflation unit 11A, the pin of pump is inserted into described inflation inlet 13A pressurized air to be filled with described filling channel 24A, and wherein the inflation direction of air is arrive open end far away from the nearly open end of described filling channel 24A.Described like this inflation unit 11A starts inflation.The air pressure of described inflatable chamber 12A increases thus struts described first air chamber layer 101A and described second air chamber layer 102A.Meanwhile, gas pressure, in described first diaphragm seal 21A and described second diaphragm seal 22A, particularly acts on the far-end of described first diaphragm seal 21A and described second diaphragm seal 22A.After described inflation unit 11A fills air completely, namely after arriving maximum loading, air pressure in described inflatable chamber 12A reaches enough to seal the far-end of described first diaphragm seal 21A and described second diaphragm seal 22A, with the open end described far away of filling channel 24A described in automatic-sealed.At this moment the pin of pump detaches described inflation inlet 13A.

When described first diaphragm seal 21A does not have together with complete involution with the far-end of described second diaphragm seal 22A, the air of described inflatable chamber 12A may be leaked to described filling channel 24A.In order to avoid air leak is to described filling channel 24A, described non-return diaphragm seal 23A and described first diaphragm seal 21A involution are to seal the open end far away of described filling channel 24A.Particularly, the airintake direction of described non-return passage 25A is contrary with the inflation direction of described filling channel 24A.In addition, when the described open end of described non-return passage 25A is opened, the open end described far away of described filling channel 24A is closed.Therefore, air enters from the described open end of described non-return passage 25A and is retained in described non-return passage 25A.

Described non-return passage 25A is filled by air, produces and supplement air pressure to seal described filling channel 24A further in described like this non-return passage 25A.Especially, the open end described far away of the described filling channel 24A between described first diaphragm seal 21A and described non-return diaphragm seal 23A is sealed.More specifically, the supplementary air pressure in described non-return passage 25A is higher, and the sealing effectiveness of described non-return diaphragm seal 23A is better.In other words, when air is revealed from described inflatable chamber 12A with the air pressure reducing described inflatable chamber 12A, air enters described non-return passage 25A to improve the air pressure of described non-return passage 25A.Therefore, the total gas pressure of described inflation pressure, namely the air pressure sum of described inflatable chamber 12A and described non-return passage 25A remains unchanged.Like this, the air entering described non-return passage 25A from described inflatable chamber 12A can enter the sealing effectiveness strengthening described filling channel 24A.

One skilled in the art will understand that the embodiment of the present utility model shown in foregoing description and accompanying drawing only limits the utility model as an example and not.The purpose of this utility model is complete and effectively realize.Function of the present utility model and structural principle are shown in an embodiment and are illustrated, do not deviating under described principle, embodiment of the present utility model can have any distortion or amendment.

Claims

1. a multiple field air-packing device, it is characterized in that, comprise the two-layer or multilayer gas flush packaging main body of superimposedly arranging, be positioned at the container cavity of described gas flush packaging main body formation for storing article to be packaged of inner side, the described gas flush packaging main body in outside and the described gas flush packaging main body of inner side are all inflatable structures, thus strengthen the cushion characteristic of described multiple field air-packing device.

2. multiple field air-packing device as claimed in claim 1, wherein two-layer or multilayer gas flush packaging main body comprises the described gas flush packaging main body of 2-20 layer.

3. multiple field air-packing device as claimed in claim 1, wherein two-layer or multilayer gas flush packaging main body comprises internal layer gas flush packaging main body and outer gas flush packaging main body, described internal layer gas flush packaging main body forms described container cavity, and is arranged in described outer gas flush packaging main body.

4. multiple field air-packing device as claimed in claim 3, wherein said internal layer gas flush packaging main body and described outer gas flush packaging main body are fixed together by heat-sealing or bonding way.

5. multiple field air-packing device as claimed in claim 4, wherein said internal layer gas flush packaging main body and described outer gas flush packaging main body superposed arrange or arrange with staggering to form triangle buffer structure at corner.

6. multiple field air-packing device as claimed in claim 3, wherein said internal layer gas flush packaging main body is connected integratedly with described outer gas flush packaging main body, and is formed by an inflatable bodies.

7. multiple field air-packing device as claimed in claim 6, wherein said inflatable bodies comprises multiple inflation unit and the one or more partitioning slot for separating adjacent two described inflation unit, wherein each inflation unit forms multiple sub-inflation unit be connected by multiple bending seam, and multiple described sub-inflation unit is respectively used to form described internal layer gas flush packaging main body and described outer gas flush packaging main body.

8. multiple field air-packing device as claimed in claim 7, also comprise one or more connecting portion, described internal layer gas flush packaging main body is connected by described connecting portion integratedly with described outer gas flush packaging main body, and connecting portion described in each is formed between the described bending seam of two row.

9. multiple field air-packing device as claimed in claim 7, wherein said internal layer gas flush packaging main body also comprises one or more folding part, thus after folding, described folding part makes the corner location of described internal layer gas flush packaging main body be approximate right angle.

10. multiple field air-packing device as claimed in claim 9, wherein said folding part reduces charge air by exhaust seam.

11. multiple field air-packing devices as claimed in claim 9, wherein said folding part is not charging portion.

12. as the multiple field air-packing device as described in arbitrary in claim 7 to 9, wherein said internal layer gas flush packaging main body and described outer gas flush packaging main body can select to have the different described sub-inflation unit of diameter separately, or the described sub-inflation unit that diameter is identical.

13. multiple field air-packing devices as claimed in claim 12, the sidepiece of wherein said internal layer gas flush packaging main body has the sub-inflation unit of one or more major diameter.

14. multiple field air-packing devices as claimed in claim 12, wherein said internal layer gas flush packaging main body also there is inseam, be located between at least one first air chamber of sidepiece and at least one second air chamber.

15. as the multiple field air-packing device as described in arbitrary in claim 7 to 9, the described sub-inflation unit of wherein said internal layer/outer gas flush packaging main body also forms multiple points of inflation unit further by sub-partitioning slot, and its diameter is less than the diameter of the described sub-inflation unit of described skin/internal layer gas flush packaging main body.

16. as the multiple field air-packing device as described in arbitrary in claim 7 to 9, wherein said partitioning slot produces right angle or inclination or curvilinear turnover at the connecting portion of described internal layer and outer gas flush packaging main body, thus forces superimposed described sub-inflation unit to produce staggered arrangement.

17. as the multiple field air-packing device as described in arbitrary in claim 7-9, wherein said inflatable bodies is formed through heat-sealing and folding technology by the first air chamber layer and the second air chamber layer, described inflatable bodies forms inflation inlet and main channel, and be provided with charge valve in each inflation unit, air enters described main channel from described inflation inlet, and enters inflation unit described in each from described main channel via described charge valve.

18. multiple field air-packing devices as claimed in claim 17, wherein said charge valve comprises two valve films, its respectively with described first air chamber layer and the described second air chamber layer heat-sealing of described inflatable bodies, a free air diffuser is formed between described two valve films, after being inflated to described inflation unit by described free air diffuser, the inside face automatic absorbing of described two valve films sticks together, to prevent the gas entering described inflation unit from described free air diffuser reverse osmosis.

19. multiple field air-packing devices as claimed in claim 17, wherein said charge valve is self binding film non return valve, it comprises one first valve film, one second valve film, with a non-return diaphragm seal, described first valve film and described non-return diaphragm seal are positioned at skin, described second valve film is between described first valve film and described non-return diaphragm seal, a free air diffuser is formed between described first valve film and described second valve film, a check cavity is formed between described second valve film and described non-return diaphragm seal, when via described main channel by described free air diffuser after insufflation gas in described inflation unit, described first valve film, the inside face automatic absorbing of described second valve film and described non-return diaphragm seal sticks together, to stop the gas in described inflation unit from described free air diffuser reverse osmosis, and can optionally enter described check cavity when gas returns, and the gas entering described check cavity can produce pressure effect to described second valve film, thus close described free air diffuser further, thus prevent gas reverse osmosis.

20. 1 kinds of multiple field air-packing devices, is characterized in that, comprising:

21. multiple field air-packing devices as claimed in claim 20, the described internal layer inflation unit of wherein said internal layer gas flush packaging main body forms the interior downside wall be connected, interior front side wall and interior rear wall, described outer inflation unit forms the outer front side wall and outside back wall that are connected, and described interior front side wall and described interior rear wall form iterative structure with described outer front side wall and described outside back wall respectively.

22. multiple field air-packing devices as claimed in claim 21, wherein said outer gas flush packaging main body also comprises the outer diapire formed by described outer inflation unit, and the described outer inflation unit of described outer diapire and the described internal layer inflation unit of described interior downside wall are that lamination ground is arranged.

23. multiple field air-packing devices as claimed in claim 22, wherein said internal layer gas flush packaging main body also comprises the internal layer left side wall and internal layer right side wall that are formed by described internal layer inflation unit, and described outer gas flush packaging main body also comprises the outer left side wall and outer right side wall that are formed by described outer inflation unit.

24. multiple field air-packing devices as claimed in claim 23, wherein said internal layer gas flush packaging main body or described outer gas flush packaging main body also comprise the side wall formed by described internal layer inflation unit or described outer inflation unit.

25. as the multiple field air-packing device as described in arbitrary in claim 20-24, and wherein said internal layer gas flush packaging main body and described outer gas flush packaging main body are fixed together by heat-sealing or bonding way.

26. as the multiple field air-packing device as described in arbitrary in claim 20-24, wherein said internal layer gas flush packaging main body is connected integratedly with described outer gas flush packaging main body, and formed by an inflatable bodies, wherein said inflatable bodies comprises multiple inflation unit of being arranged side by side and the one or more partitioning slot for separating adjacent two described inflation unit, inflation unit described in each is separated into the multiple sub-inflation unit of connection via bending seam, described sub-inflation unit forms the described internal layer inflation unit and described outer inflation unit of alongst arranging.

27. multiple field air-packing devices as claimed in claim 26, wherein internal layer inflation unit described in each is identical with described outer inflation unit diameter, or has the different air chamber unit of diameter.

28. multiple field air-packing devices as claimed in claim 26, the described sub-inflation unit wherein forming described internal layer inflation unit or described outer inflation unit is further advanced by sub-partitioning slot and produces multiple points of inflation unit, thus described multiple field air-packing device is formed multilayer buffer structure that each layer has different buffer capacity.

29. multiple field air-packing devices as claimed in claim 26, wherein said inflatable bodies is formed through heat-sealing and folding technology by the first air chamber layer and the second air chamber layer, described inflatable bodies forms inflation inlet and main channel, and be provided with unidirectional charge valve that is two-layer or three-layer thin-film formation in each inflation unit, air enters described main channel from described inflation inlet, and enters inflation unit described in each from described main channel via described charge valve.