CN204802332U - Air packing plant and inflation valve thereof - Google Patents

Abstract

The utility model provides an air packing plant and inflation valve thereof, this air of packing plant include: an inflatable main part, it is including a superimposed upper chamber membrane of each other and a lower chamber membrane to form an at least inflatable unit, each inflatable unit has a plenum chamber, an and inflation valve, it is including superimposed one going up the valve membrane mutually, once a valve membrane and a reinforcement membrane, wherein go up the valve membrane, valve membrane and reinforcement membrane are connected so that form an at least inlet channel from top to bottom between the valve membrane through a series of heat -seals with upper chamber membrane and lower chamber membrane down, inlet channel is used for aerifing to the plenum chamber, after wherein aerifing, thereby it realizes from sealing the function in order to seal inlet channel in the lower chamber membrane with the valve membrane is attached down to go up the valve membrane, and thereby the setting of reinforcement membrane prevents with the joint strength between valve membrane on strengthening and the upper chamber membrane that the valve membrane coat from tearing between last valve membrane and upper chamber membrane.

Description

Air-packing device and charge valve thereof

Technical field

The utility model relates to packing, particularly relates to the charge valve of the improvement of air-packing device.

Background technology

Inflatable air-packing device, because its inside is filled with air, so cushion characteristic is strong, and can not inflate during transport, thus it is little to take up room, article to be packaged can be packed again after on-the-spot inflation in use, thus reduce transport and storage cost, welcome widely so this air-packing device commercially receives.

Fig. 1 to Fig. 2 illustrates the structure of existing air-packing device, it comprises two-layer adventitia 1A and 1B of heat-sealing, and two-layer shorter inner membrance 2A and 2B, wherein form multiple gas fill port 2C between two-layer inner membrance 2A and 2B and can automatic-sealed after inflation completes, and after sealing, make air-packing device form multiple plenum chamber 1C with two-layer adventitia 1A and 1B.Two-layer adventitia 1A and 1B bends through a series of heat-sealing and makes inflatable structure form various required form, thus for holding connection with wrapping of piece or as packing material, for connection with wrapping of piece provides air cushioning effect.

In this prior art, charge valve is formed by two-layer inner membrance 2A and 2B, as shown in Figure 2, at inlet end, inner membrance 2A and adventitia 1A heat-sealing, inner membrance 2B and adventitia 1B heat-sealing, and there is no heat-sealing because arranging heat-resisting baffling device between two-layer inner membrance 2A and 2B thus form gas fill port 2C.During inflation, during inflation, air arrives gas fill port 2C from main airway 1D, and enter corresponding plenum chamber 1C from gas fill port 2C, when in plenum chamber 1C, air reaches set pressure, two-layer inner membrance 2A and 2B can be pressed to adventitia 1A thus two-layer inner membrance 2A and 2B is fitted on same layer adventitia 1C and realize self-enclosed effect, to prevent the air in plenum chamber 1C to the dew that exosmoses by the air in air chamber 1C.

But, the structure of existing this charge valve also exists gas leakage hidden danger, particularly, at inlet end, inner membrance 2B and adventitia 1B is linked together by the mode of heat-sealing, the mode of thermal welding can make inner membrance 2B and adventitia 1B hardening and brittle at the position of heat-sealing generation film, thus inner membrance 2B and adventitia 1B are that fragility is connected, when there is larger air pressure in described plenum chamber 1C, air may enter the place of connecting between inner membrance 2B and adventitia 1B wash open and between inner membrance 2B and adventitia 1B to outward leakage, namely inner membrance 2B is connected heat-sealing place and there is the risk be torn with adventitia 1B, thus cause whole air-packing devices can not pressurize and lose air cushioning performance.

That is, in above-mentioned gas charging valve structure, because air pressure is to the effect of inner membrance 2B, make three-layer thin-film and 1A, together with 2A with 2B fits tightly, thus air is not easy between two-layer inner membrance 2A and 2B, and to outward leakage between inner membrance 2A and adventitia 1A.But but easily cause air leak because of the fracture of thermal welding between inner membrance 2B and adventitia 1B, thus make whole air-packing device scrap and can not use.

Summary of the invention

Main purpose of the present utility model is to provide a kind of air-packing device and charge valve thereof, wherein said air-packing device comprises two layers of air cells film and charge valve, described charge valve comprises the two-layer valve film forming free air diffuser, and extra one deck reinforcing film, reinforcing film is arranged on described in one deck valve film and one deck between cameral mantle, thus prevents described charge valve and described cameral mantle to be torn.

Another object of the present utility model is to provide a kind of air-packing device and charge valve thereof, wherein at the end of inflation, upper and lower two-layer valve film is attached at lower chamber film to prevent air leak, and wherein said reinforcing film is arranged on to produce to prevent the connection between described upper chamber film and described upper valve film from rupturing between upper chamber film and upper valve film and leaks gas.

Another object of the present utility model is to provide a kind of air-packing device and charge valve thereof, the described reinforcing film wherein increased makes described upper chamber film and described upper valve film Joint strenght be enhanced, thus when being filled with air in inflation unit, air enter between described upper chamber film and described reinforcing film or between described reinforcing film and described upper valve film time, because there is the film of heat-sealing described reinforcing film both sides, thus the junction of described reinforcing film and double-layer films is all not easy to rupture.

Another object of the present utility model is to provide a kind of air-packing device and charge valve thereof, wherein said reinforcing film distal portion and described upper valve film heat-sealing, like this, at the end of inflation, described reinforcing film fits in described lower chamber film along with two-layer described valve film, thus realizes unidirectional inflation and self-enclosed performance.

Another object of the present utility model is to provide a kind of air-packing device and charge valve thereof, wherein said reinforcing film shorter than described upper valve film and and form reinforcement passage between described upper valve film, like this, even if during air reverse osmosis, the described reinforcement passage between described upper valve film and described reinforcing film can be entered, thus push described upper valve film further to fit in described lower valve film, thus play further to the sealing function of the described free air diffuser between described upper and lower valve film.

Another object of the present utility model is to provide a kind of air-packing device and charge valve thereof, the close end of the contiguous described free air diffuser entrance of wherein said reinforcing film stretches out further, and air inlet main channel can be formed with described lower chamber film, described like this upper chamber film does not need to extend to concordant with described lower chamber film, the material of described upper chamber film can be saved like this, thus save cost.

Another object of the present utility model is to provide a kind of air-packing device and charge valve thereof, wherein all be arranged between two panels adventitia completely different to form inner membrance from the diaphragm forming charge valve in prior art, of the present utility modelly described reinforcing film is provided fully not to be arranged within described cameral mantle, but can as the film being exposed to outside, thus the utility model provides diverse air valve and air-packing configuration.

Another object of the present utility model is to provide a kind of air-packing device and charge valve thereof; wherein said air-packing device is suitable for as air cushioning material; there is provided buffer action with the article supported it or be filled into other packing devices as in packing box or packing chest to play the buffer protection function to connection with wrapping of piece; or described air-packing device is suitable for direct storage package article; to provide buffering effect around described connection with wrapping of piece, thus air-packing device of the present utility model is widely used.

Another object of the present utility model is to provide a kind of air-packing device and charge valve thereof, and simply, with low cost and environmental protection again, is applicable to being widely used in modern logistics packaging for the structure of wherein said air-packing device and described charge valve and manufacture craft.

For reaching above object, the utility model provides a kind of air-packing device, and it comprises:

One inflatable bodies, it comprises a upper chamber film superimposed mutually and once cameral mantle, and to form at least one inflation unit, inflation unit described in each has a plenum chamber; And

One charge valve, it comprises valve film on superimposed mutually, valve film and a reinforcing film once, wherein said upper valve film, described lower valve film and described reinforcing film are connected to make to form at least one free air diffuser between described upper and lower valve film through a series of heat-sealing with described upper chamber film and described lower chamber film, described free air diffuser is used for inflating to described plenum chamber, after wherein inflation terminates, described upper valve film and described lower valve film are attached at described lower chamber film to close described free air diffuser thus to realize self-enclosed function, and described reinforcing film is arranged between described upper valve film and described upper chamber film to strengthen the Joint strenght between described upper valve film and described upper chamber film, be torn to prevent described upper valve film, thus prevent air leak further.

Preferably, the close end of described upper valve film of the admission port of described upper chamber film and contiguous described free air diffuser and the close end heat-sealing of described reinforcing film, the close end heat-sealing of the described lower valve film of the described admission port of described lower chamber film and contiguous described free air diffuser.

Preferably, wherein in two-layer described valve film, at least valve film inside face described in one deck is provided with a resistance to thermal barriers, and described resistance to thermal barriers is arranged between two-layer described valve film, thus make in hot sealing process, make to form described free air diffuser between two-layer described valve film.

Preferably, also comprise the one or more choke seams described upper and lower valve film distal portion heat-sealing connected, in the described plenum chamber of described choke seam prevention, air is from described free air diffuser reverse osmosis.

Preferably, described upper and lower valve film and described reinforcing film seal with described lower chamber film and are connected by described choke seam further, thus after inflation is terminated, described upper and lower valve film and described reinforcing film are attached at described lower chamber film with closed described free air diffuser.

Preferably, two-layer described cameral mantle is two independently films, or is formed through doubling by a film.

Preferably, described air-packing device is further advanced by one or more partitioning slot and forms multiple described inflation unit, forms at least one described free air diffuser in each described inflation unit.

Preferably, device, wherein said cameral mantle and described valve film and described reinforcing film are fexible films, and it is selected from one or more in polyethylene foil, polypropylene film, polyvinyl chloride film, mylar, plasticon and laminated film.

Preferably, described air-packing device is also formed with the main channel be connected with described free air diffuser, and during inflation, air enters described main channel, then distributes the described plenum chamber entering inflation unit described in each.

Preferably, described main channel is formed between described upper and lower cameral mantle.

Preferably, described main channel is formed between described upper and lower valve film.

Preferably, described main channel is formed between described reinforcing film and described lower valve film.

Preferably, described upper and lower valve film comprises the extension section of its close end extending contiguous described admission port further, between described extension section, form described main channel, described upper and lower cameral mantle does not need the position of the described extension section extending to described upper and lower valve film.

Preferably, described lower valve film comprises the extension section of its close end extending contiguous described admission port further, described reinforcing film comprises the reinforcement extension of its close end extending contiguous described admission port, wherein between the described extension section and the described reinforcement extension of described reinforcing film of described lower valve film, form described main channel, described upper chamber film does not need the position of the described reinforcement extension extending to described reinforcing film.

Preferably, the distal portion of described reinforcing film do not align with the distal portion of described upper valve film and described reinforcing film and described between valve film and described on form reinforcement passage between valve film, thus strengthen the sealing function to the described free air diffuser between described upper and lower valve film after inflation terminates further.

Preferably, described air-packing device forms inflating buffer pad.

Preferably, described air-packing device forms the air rubber capsule pack with a container cavity after a series of heat-sealing and bending.

According to another aspect of the present utility model, the utility model provides a kind of charge valve, it is suitable for inflating to air-packing device, described air-packing device comprises an inflatable bodies, it comprises a two-layer cameral mantle superimposed mutually, to form at least one inflation unit, inflation unit described in each has a plenum chamber, wherein said charge valve comprises mutual superimposed two-layer valve film and one deck reinforcing film, wherein two-layer described valve film and described reinforcing film and described two layers of air cells film are by a series of heat-sealing, make at least one free air diffuser formed between two-layer described valve film for inflating to described plenum chamber, and after inflation terminates two-layer described valve film be attached at wherein cameral mantle described in one deck with close described free air diffuser, described reinforcing film to be arranged at described in other one deck cameral mantle and one deck between valve film.

Preferably, two-layer described cameral mantle comprises a upper chamber film and once cameral mantle, two-layer described valve film to comprise on one valve film and once valve film, the close end of described upper valve film of the admission port of wherein said upper chamber film and contiguous described free air diffuser and the close end heat-sealing of described reinforcing film, the close end heat-sealing of the described lower valve film of the described admission port of described lower chamber film and contiguous described free air diffuser, and described reinforcing film to be arranged between described upper valve film and described upper chamber film with the Joint strenght strengthened between described upper valve film and described upper chamber film thus to prevent described upper valve film to be torn.

Preferably, in two-layer described valve film, at least the described inside face of valve film described in one deck is provided with a resistance to thermal barriers, and described resistance to thermal barriers is placed between two-layer described valve film, thus make in hot sealing process, make to form described free air diffuser between the two-layer described valve film of two-layer described valve film.

Preferably, also comprise the one or more choke seams described upper and lower valve film heat-sealing connected, in the described plenum chamber of described choke seam prevention, air is from described free air diffuser reverse osmosis.

Preferably, described upper and lower valve film and described reinforcing film seal with described lower chamber film and are connected by described choke seam further, thus after inflation is terminated, described upper and lower valve film and described reinforcing film are attached at described lower chamber film with closed described free air diffuser.

Preferably, the distal portion of described reinforcing film do not align with the distal portion of described upper valve film and described reinforcing film and described on form reinforcement passage between valve film, thus strengthen the sealing function to the described free air diffuser between described upper and lower valve film after inflation terminates further.

Preferably, described upper and lower valve film and described reinforcing film are fexible films, and it is selected from one or more in polyethylene foil, polypropylene film, polyvinyl chloride film, mylar, plasticon and laminated film.

Air-packing device of the present utility model, its manufacture method comprises the steps:

A five layer films are superimposed together mutually by (), wherein said ground floor film and layer 5 film form upper chamber film and lower chamber film, valve film and lower valve film is gone up described in third layer film and four-level membrane, second layer film forms reinforcing film, and resistance to thermal barriers is placed between described upper valve film and lower valve film; And

B () makes described five layer films be formed to have one or more inflatable and store the inflatable bodies of the inflation unit of gas by heat seal step, wherein by sealing seam by its close end heat-sealing by described upper chamber film and described reinforcing film and described upper valve film, and by the close end heat-sealing of described lower chamber film and described lower valve film, thus described free air diffuser is formed between described upper and lower valve film, when reaching preset air pressure in the plenum chamber of described inflation unit, described upper and lower valve film is attached at described lower chamber valve film thus closes described free air diffuser, the Joint strenght that described reinforcing film strengthens between described upper chamber film and described upper valve film is torn to prevent described upper valve film.

Preferably, described upper and lower cameral mantle superposed arranges and is formed between described upper and lower cameral mantle for the main channel to free air diffuser inflation described in each.

Preferably, the extension section of described upper and lower valve film extends to the outside of described upper and lower cameral mantle, and superimposedly arranges the extension section of described upper and lower valve film mutually to be formed the main channel be used for free air diffuser inflation described in each.

Preferably, the reinforcement extension of described reinforcing film and described lower chamber film superimposedly arrange to form the main channel for inflating to free air diffuser described in each.

Preferably, the reinforcement extension of described reinforcing film and the extension section of described lower valve film superimposedly arrange to form the main channel for inflating to free air diffuser described in each.

Preferably, described manufacture method also comprises step: by multiple row apart from one another by partitioning slot by described five layer films heat-sealing, to form multiple described inflation unit, in inflation unit described in each, form at least one described free air diffuser.

Preferably, described manufacture method also comprises step: the heat-sealing of being stitched by row or multiple row bending, two-layer described cameral mantle heat-sealing is connected, and inflation unit described in each is formed be connected to each other and the multiple sub-inflation unit interconnected, thus along the bending of described bending seam, make described inflatable bodies form multiple inflation sidewall, described inflation sidewall defines the container cavity formed for holding connection with wrapping of piece.

Preferably, also comprise step in described manufacture method: make the distal portion of described reinforcing film relative to the distal portion indentation of described upper valve film and described reinforcing film and described on form reinforcement passage between valve film, thus strengthen the sealing function to the described free air diffuser between described upper and lower valve film after inflation terminates further.

Accompanying drawing explanation

Fig. 1 is the structure partial schematic diagram of the air-packing device of prior art.

Fig. 2 is the schematic cross-section of the charge valve of the air-packing device of prior art.

Fig. 3 is the structural representation of the air-packing device according to a preferred embodiment of the present utility model.

Fig. 4 A is the schematic cross-section along A-A line in Fig. 3 of the charge valve of air-packing device according to above preferred embodiment of the present utility model.

Fig. 4 B is the schematic cross-section along B-B line in Fig. 3 of the charge valve of air-packing device according to above preferred embodiment of the present utility model.

Fig. 4 C is the schematic cross-section of the another kind of variant embodiment of the charge valve of air-packing device according to above preferred embodiment of the present utility model.

Fig. 5 is A place cross section close-up schematic view in Fig. 4 B of the charge valve of air-packing device according to above preferred embodiment of the present utility model.

Structural representation when Fig. 6 is the inflation according to the air-packing device of above preferred embodiment of the present utility model.

Fig. 7 is according to the structural representation after the inflation of the air-packing device of above preferred embodiment of the present utility model.

Fig. 8 is according to the perspective view of the air-packing device of another preferred embodiment of the present utility model.

Fig. 9 is according to the deployed configuration schematic diagram of the air-packing device of another preferred embodiment of the present utility model.

Figure 10 is that the variant embodiment of the charge valve of air-packing device according to above preferred embodiment of the present utility model is along C-C line schematic cross-section in Fig. 9.

Figure 11 is the schematic cross-section of the another kind of variant embodiment of the charge valve of air-packing device according to above preferred embodiment of the present utility model.

Figure 12 is the schematic cross-section of the another kind of variant embodiment of the charge valve of air-packing device according to above 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.

It is the air-packing device according to a preferred embodiment of the present utility model as shown in Fig. 3 to Fig. 7, it has inflatable structure, with after inflation can for various connection with wrapping of piece as electronic product, food, medical product, chemical, biologicals, plastic ceramic, fast-moving consumer goods etc. provide air cushioning effect, and when not using, can not inflate and conveniently store and transport, reproduce field inflation in use, thus very easy to use.

In this preferred embodiment of the present utility model, described air-packing device may be embodied as air cushioning material, it can form inflating buffer pad as shown in Figure 7 after inflation, thus provide air cushioning effect for its upholder, or be placed on other packing devices as in packing chest or packing box as packing material, think that connection with wrapping of piece provides air cushioning effect.

Particularly, described air-packing device comprises at least one inflatable bodies 10, and described inflatable bodies 10 comprises two layers of air cells film, at least one inflation unit 13 of formation.Described air-packing device comprises at least one charge valve 20 further, inflates for described inflation unit 13.For convenience of describing, described in the one deck in two-layer described cameral mantle, cameral mantle is defined as upper chamber film 11, and another layer of described cameral mantle is defined as lower chamber film 12.Those skilled in the art it should be understood that, described upper and lower cameral mantle 11 with 12 overlying relation be relative, in actual applications, described upper chamber film 11 may be positioned at the below of described lower chamber film 12, and described lower chamber film 12 may be positioned at the top of described upper chamber film 11.

Described inflation unit 13 is formed through heat-sealing primarily of two layers of air cells film and upper chamber film 11 and lower chamber film 12, described upper chamber film 11 and described lower chamber film 12 can be two sheets of flexible films, it can be made up, as polyethylene foil, polypropylene film, polyvinyl chloride film, mylar, plasticon or laminated film etc. of various suitable membraneous material.The utility model is not restricted in this respect, as long as suitable fexible film.Described upper chamber film 11 and described lower chamber film 12 overlapped and form the plenum chamber 14 for stored air of described inflation unit 13 after heat-sealing.

Described charge valve 20 for inflating to described inflation unit 13, when namely inflating, gas as air from as described in enter in inflation unit 13 as described in each charge valve 20 as described in plenum chamber 14, after the air pressure in described plenum chamber 14 reaches requirement, stop inflation.Described like this air-packing device is inflated condition, thus can provide air cushioning effect.

It is worth mentioning that, in this preferred embodiment of the present utility model, described charge valve 20 is unidirectional charge valves, namely when inflating, after the air pressure in described plenum chamber 14 reaches predetermined extent, air pressure in described plenum chamber 14 can make described charge valve 20 be in closed condition, and can not continue inflation again, and the air in described plenum chamber 14 is also not easy to reveal from described charge valve 20.

More specifically, described charge valve 20 comprises two-layer valve film 21 and 22 and at least one deck reinforcing film 23.Similarly, two-layer valve film 21 and 22 is defined as valve film 21 and lower valve film 22 respectively, wherein those skilled in the art it should be understood that, described upper and lower valve film 21 with 22 overlying relation be relative, in actual applications, described upper valve film 21 also may be positioned at the below of described lower valve film 22, and described lower valve film 22 also may be positioned at the top of described upper valve film 21.

Similarly, described upper valve film 21 and described lower valve film 22 and described reinforcing film 23 can be three layers of fexible films, it can be made up of various suitable membraneous material, as polyethylene foil, polypropylene film, polyvinyl chloride film, mylar, plasticon or laminated film etc., the utility model is not also restricted in this respect, as long as suitable fexible film.

According to this preferred embodiment of the present utility model, described upper valve film 21 and described lower valve film 22 superimposed mutually, and after suitable arrangement, stitch 30 through a series of suitable heat-sealing with described upper chamber film 11 and described lower chamber film 12 again and form inflatable structure, described heat-sealing seam is completed by suitable hot sealing process, to be sealed two-layer or that multilayer film are needing position.

Above-mentioned five layer films formed after heat-sealing inner can gas storage space, and form a main channel 15, it has an inflation inlet 151, wherein when there being the charging connector 40 of inflatable appliance to enter described main channel 15 from described inflation inlet 151, thus described inflatable bodies 10 is suitable for carrying out charge operation via described main channel 15.

More specifically, described upper valve film 21 and described lower valve film 22 through superimposed and form at least one free air diffuser 24 after heat-sealing, and form the admission port 241 for inflating at inlet end, and wherein said free air diffuser 24 is connected with described main channel 15.When inflating, user can utilize inflatable appliance 40 as inflation pump from as described in inflation inlet 151 to as described in air-packing device inflate, at this moment air enters described main channel 15 from described inflation inlet 151, and enter described free air diffuser 24 from described main channel 15 via admission port described in each 141, thus inflate to described inflation unit 13, to make the air being filled with scheduled volume in plenum chamber 14 described in each.

It is worth mentioning that, described heat-sealing seam 30 can comprise multiple apart from one another by partitioning slot 31, two or more like this inflation unit 13 is arranged side by side and is connected to form described inflatable bodies 10, and wherein said charge valve 20 is formed with the described free air diffuser 24 of corresponding each described inflation unit 13.In other words, described in each, inflation unit 13 can be inflated independently, the described partitioning slot 31 of prolongation is being formed between inflation unit 13 described in adjacent two, it may be embodied as the hot-sealing line described in adjacent two between inflation unit 13, thus can form multiple independent plenum chamber 14 by these partitioning slot 31.At one, described inflation unit 13 is damaged and when leaking gas, other described inflation unit 13 can be unaffected like this.Certainly, it is worth mentioning that, described inflation unit 13 also can interconnect, and so only needs the described free air diffuser 24 that a charge valve 20 is formed, just can inflate all described inflation unit 11.That is, described air-packing device of the present utility model can form multiple described inflation unit 13 by the heat-sealing of described upper chamber film 11 and described lower chamber film 12.

In this preferred embodiment, the corresponding multiple described inflation unit 13 of described charge valve 20 forms multiple described free air diffuser 24, in other words, described partitioning slot 31 also seals two-layer valve film 21 and 22 and reinforcing film 23 in the lump when sealing two layers of air cells film 11 and 12, thus five layer film heat-sealings are formed multiple described free air diffuser 24 and multiple described plenum chamber 14, each described free air diffuser 24 is suitable for inflating to the described plenum chamber 14 of correspondence.

It is worth mentioning that, multiple apart from one another by described partitioning slot 31 can arrange equally spacedly, to form the identical multiple described inflation unit 13 of air chamber diameter, can certainly arrange, to form the not identical multiple described inflation unit 13 of air chamber diameter on unequal-interval ground.Multiple apart from one another by described partitioning slot 31 can arrange parallel to each other, also the described partitioning slot 31 of predetermined number may arrange obliquely, or form turnover etc. at local location, the utility model is not restricted in this respect.A described free air diffuser 24 can be formed in inflation unit 13 described in each, in the larger described inflation unit 13 of air chamber diameter, also may form two or more described free air diffuser 24 through hot sealing process, thus improve charge efficiency.

In addition, because the shape of every described inflation unit 13 can change after inflation, thus inflatable bodies 10 can make various shape and size.Described inflation unit 13 can be strip as horizontal strip and/or longitudinal strip etc., or block, its shape is unrestricted, and in this preferred embodiment, described inflation unit 13 can form strip.

In the utility model, described reinforcing film 23 is arranged between described upper chamber film 11 and described upper valve film 21, to strengthen the Joint strenght between described upper chamber film 11 and described upper valve film 21.More specifically, described upper valve film 21 has the close end 211 of contiguous described admission port 241, and away from the distal portion 212 of described admission port 241.Described reinforcing film 23 has close end 231 in the position of contiguous described admission port 241, and away from the distal portion 232 of described admission port 241.The close end 211 of wherein said upper valve film 21 and the close end 231 of described reinforcing film 23 and described upper chamber film 11 heat-sealing, thus at the close end of described charge valve 20, the Joint strenght of described upper chamber film 11 and described upper valve film 21 is strengthened by the setting of described reinforcing film 23.

Also just say, at the close end of described charge valve 20, three-layer thin-film 11,21 and 23 heat-sealing, thus described upper chamber film 11 and described upper valve film 21 are not easy fracture.Play the described reinforcing film 23 of booster action between described upper valve film 21 and described upper chamber film 11 by strengthening one deck, thus make both connections more firm.From on the one hand other, close end 231 upper and lower sides of described reinforcing film 23 respectively with described upper chamber film 11 and described upper valve film 21 heat-sealing, like this, connection between described reinforcing film 23 and described upper chamber film 11 to be played in its bottom side by described upper valve film 21 and strengthen firmly acting on, thus prevents from producing between described reinforcing film 23 and described upper chamber film 11 rupturing.And connection between described reinforcing film 23 and described upper valve film 21 thereon by described upper chamber film 11 can be played and strengthen firmly acting in side, thus prevent from producing between described reinforcing film 23 and described upper valve film 21 rupturing.

When charge operation, air enters described plenum chamber 14 from described admission port 241 via described free air diffuser 24, when reaching enough large air pressure in described plenum chamber 24, two-layer described valve film 21 and 22 be attached at wherein cameral mantle described in one deck as described in lower chamber film 12, thus close described free air diffuser 24, to prevent air from described free air diffuser 24 reverse osmosis.In the prior art, the junction of inner membrance 2B and adventitia 1B may produce embrittlement, the air in gas column also may via between inner membrance 2B and adventitia 1B to outward leakage, cause losing air cushioning performance.And after the junction of inner membrance 2B and adventitia 1B is torn, tearing of inner membrance junction causes the air in gas column can leak via the intake channel place between two-layer inner membrance.

And in the utility model because the close end 211 and 231 of described upper valve film 21 and described reinforcing film 23 all with described upper chamber film 11 heat-sealing, thus enhance Joint strenght, thus ensure that the air-tightness of described air-packing device further.

In addition, the distal portion 232 of described reinforcing film 23 and distal portion 211 heat-sealing of described upper valve film 21 link together, like this, when inflation completes, air pressure acts on described reinforcing film 23, thus by described reinforcing film 23, described upper and lower valve film 21 presses to described lower chamber film 12 together with 22, thus four-level membrane is superimposed together and closes described free air diffuser 24 thus prevent gas leakage.Preferably, similar described reinforcing film 23 and described upper valve film 21, described lower valve film 22 has close end 221 and distal portion 222, close end 221 and described lower chamber film 12 heat-sealing of described upper valve film 22, the distal portion 222 of described lower valve film 22 is connected to described lower chamber film 12 with the distal portion 212 of the distal portion 332 of described reinforcing film 23 and described upper valve film 21 by same heat-sealing, thus make the described upper and lower valve film 21 and 22 of described charge valve 20 and described reinforcing film 23 can towards same cameral mantle ground after inflation completes, namely fit towards the described lower room film 12 in this preferred embodiment, lock gas closed performance is realized to rely on self structure.

According to this preferred embodiment of the present utility model, preferably form reinforcement passage 25 further between described reinforcing film 23 and described upper valve film 21, thus play the air-tightness of reinforcement.More specifically, as shown in Figure 5, described free air diffuser 24 is aligned to for being filled with air to described plenum chamber 14 to fill described inflation unit 13, until by the air pressure in described plenum chamber 14, make the distal portion 212 and 222 of described upper and lower valve film 21 and 22 overlapping and seal to close described free air diffuser 24.According to this preferred embodiment, when there being gas to want to outward leakage, air can enter described reinforcement passage 25 between the distal portion 232 of described reinforcing film 23 and the distal portion 222 of described upper valve film 22, to produce supplementary air pressure, thus seal described free air diffuser 24 further, to compensate the deficiency of the sealing effectiveness of described upper and lower valve film 21 and 22.That is, the air entering described reinforcement passage 25 can be exerted pressure further to described upper and lower valve film 21 and 22, thus realizes the sealing of the described free air diffuser 24 between upper and lower valve film 21 and 22.

In this embodiment, the length of described reinforcing film 23 can be less than the length of described upper valve film 21 and described lower valve film 22, thus when described reinforcing film 23 is overlapped in the near-end of described upper valve film 21 and described lower valve film 22, the close end 231 of the described reinforcing film 23 of described charge valve 20 and the close end 211 and 221 of described upper and lower valve film 21 and 22 are superimposed together, the distal portion 212 and 222 of described upper valve film 21 and described lower valve film 22 can overlap, but the distal portion 231 of described reinforcing film 23 does not overlap with distal portion 212 and 222 complete matching of described upper valve film 21 and described lower valve film 22.It is worth mentioning that, the length of described reinforcing film 23 is defined as the distance between the proximal edge of described reinforcing film 23 and distal edge.Described in each, the length of upper valve film 21 and described lower valve film 22 is defined as the distance between the proximal edge of described upper valve film 21 and described lower valve film 22 and distal edge.

As shown in Figure 5, described reinforcement passage 25 is formed between described reinforcing film 23 and described upper valve film 21, and wherein said reinforcement passage 25 has an open end towards described plenum chamber 14 and the contiguous described admission port 241 of a closed end.In other words, the near-end of described reinforcement passage 25 is described closed end and the far-end of described reinforcement passage 25 is described open end.

It is worth mentioning that, when being inflated in described plenum chamber 14 by described free air diffuser 24, the air flow in described free air diffuser 24 is contrary with the air flow of described reinforcement passage 25.Therefore, air can not be filled with described reinforcement passage 25.When air reveals back described reinforcement passage 25 from described plenum chamber 14, air enters described reinforcement passage 25 and seals described free air diffuser 24 further to produce supplementary air pressure, thus prevents from leaking gas from described free air diffuser 24.

Below, the heat-sealing connection mode between above-mentioned five layer films is described further.As Fig. 4 A, shown in Fig. 4 B and Fig. 5, described heat-sealing seam 30 comprises sealing seam 32 further, it is by close end 211 heat-sealing of described upper chamber film 11 and described reinforcing film 23 and described upper valve film 21, and by close end 221 heat-sealing of described lower chamber film 12 with described lower valve film 22.Described sealing seam 32 can be formed by a hot sealing process, by once sealing, will complete the heat-sealing connection mode that five layer films are above-mentioned.Certainly, as required, one or more sealing seam 32 may be provided.It is worth mentioning that, in hot sealing process, in described upper and lower valve film 21 and 22, near proximal ends is provided with resistance to thermal barriers 26, thus between described upper and lower valve film 21 and 22 can not because of the heat-sealing of current sealing seam 32 heat-sealing completely hermetically, but because the existence of resistance to thermal barriers 26 and non-heat-sealing thus described admission port 241 can not be closed, thus form the described free air diffuser 24 that can inflate.Described resistance to thermal barriers 26 can be taken out after completing heat-sealing, or preferably, in this preferred embodiment, described resistance to thermal barriers 26 can be silicone oil, PVA, high temperature resistantly do the means such as anti-stick ink, it is printed on the inside face of wherein one deck valve film in described upper and lower valve film 21 and 22, as as described in upper valve film 21 inside face and towards as described in lower valve film 22 arrange, and its surface can in advance through corona treatment, thus make the stickup of described high temperature resistant ink more firm to the position in requisition for printing as high temperature resistant anti-stick ink.

It is worth mentioning that described resistance to thermal barriers 26 does not need to extend to completely the distal portion 212 and 222 of described upper and lower valve film 21 and 22.Described upper and lower valve film 21 and 22 and described reinforcing film 23 are further advanced by choke seam 33 heat-sealing at far-end and link together, and described upper and lower valve film 21 to seal with described lower chamber film 12 with 22 and the distal portion 212,222 and 232 of described reinforcing film 23 and is connected and is not connected with upper chamber film 11 by described choke seam 33 further, thus reach preset air pressure in described plenum chamber 14 after, the effect of air pressure makes this three-layer thin-film 21,22 and 23 of described charge valve 20 be attached at described lower chamber film 12.

The shape of described choke seam 33 can be of all kinds, and can make upper and lower valve film 21 and 22 distal portion 212 and 222 between form circuitous channel, the air of described like this plenum chamber 14 is also not easy to walk around described choke seam 33 and enters the described free air diffuser 24 formed by described high temperature resistant barrier 25.It will be appreciated by persons skilled in the art that described choke stitch 33 described in each inflation unit 13 arrange along the regional area of its Width, and can not completely inflation unit described in each 13 transversely to be sealed thus cause can not air inlet in direction completely.

Described heat-sealing seam 30 also comprises the lateral seal seam 34 corresponding to free air diffuser described in each 24 both sides, and it by described lower chamber film 12 and described upper and lower valve film 21 and 22 and described reinforcing film 23 heat-sealing, thus forms the sidewall of described free air diffuser 24.The width of described free air diffuser 24 stitches 34 by described two lateral seal and defines.Particularly, described two lateral seal seams 34 can be two inclination hot-sealing lines, thus the width of described free air diffuser 24 successively decreases from described admission port 241 to described plenum chamber 14.In other words, the nearly open end of described free air diffuser 24 is a larger open end, and the open end far away of described free air diffuser 24 is a cone-shaped open end and be communicated with described plenum chamber 14.The free air diffuser 24 of described taper avoids air to be leaked to described admission port 241 from described plenum chamber 14 further.

As illustrated in figs. 3 and 4, in this preferred embodiment, described upper valve film 21 and described lower valve film 22 extend in the described main channel 15 of described upper chamber film 11 and the formation of described lower chamber film 12, and described charge valve 20 is further respectively by a connecting sewing 38 and described upper chamber film 11 and described lower chamber film 12 heat-sealing.Described connecting sewing 38 can be by once sealing and can being shaped, that is both sides are descended to perform heat-sealing stitching operation thereon above-mentioned five tunics by hot pressing die, like this in upper and lower both sides, described upper chamber film 11 and described upper valve film 21 are combined by described connecting sewing 38 heat sealing, and described lower valve film 22 and described lower chamber film 12 and described reinforcing film 23 are also combined by described connecting sewing 38 heat sealing.And described printing barrier 25 extends to concordant with 22 edges with described upper and lower valve film 21, like this, in the process performing the described connecting sewing 38 of heat-sealing formation, described upper and lower valve film 21 and 22 can not heat-sealing, thus the formation of described admission port 241 can not be affected, be connected with described free air diffuser 24 to make described main channel 15.As shown in Figure 3, described air-packing device can comprise the described connecting sewing 38 that row are point-like arrangement, and connecting sewing 38 described in each is positioned at the end of printing barrier 25 described in corresponding each.

As shown in FIG. 4 C, according to other variant embodiment, described reinforcing film 23 can not extend in described main channel 15, like this, described upper valve film 21 and described upper chamber film 11 are sealed connection by described connecting sewing 38 respectively, and described lower valve film 22 and described lower chamber film 12 are sealed connection.Described reinforcing film 23 makes the Joint strenght of described lower valve film 22 and described lower chamber film 12 strengthen.

It is worth mentioning that, air enters described main channel 15 upon inflation, described upper and lower cameral mantle 11 correspondingly can pull described upper and lower valve film 21 to expand together with 22 because of the setting of described connecting sewing 38 with 12 expansions respectively, thus is easy to open described admission port 241.

In order to obtained described air-packing device, the utility model also provides a kind of manufacture method, it comprises the steps: five layer films to be superimposed together mutually, wherein ground floor film and layer 5 film form described upper chamber film 11 and described lower chamber film 12, third layer film and four-level membrane form described upper valve film 21 and described lower valve film 22, second layer film forms described reinforcing film 23, and resistance to thermal barriers 26 is placed between described upper valve film 21 and described lower valve film 22, described five layer films are formed have one or more inflatable and store the described inflatable bodies 10 of the described inflation unit 13 of gas by heat seal step, wherein by described sealing seam 32 by its close end 211 heat-sealing by described upper chamber film 11 and described reinforcing film 23 and described upper valve film 21, and by close end 221 heat-sealing of described lower chamber film 12 with described lower valve film 22, thus described free air diffuser 24 is formed between described upper and lower valve film 21 and 22, when reaching preset air pressure in the plenum chamber 14 of described inflation unit 13, described upper and lower valve film 21 and 22 is attached at described lower chamber valve film 12 thus realizes self-enclosed, the Joint strenght that described reinforcing film 23 strengthens between described upper chamber film 11 and described upper valve film 21 is revealed between described upper chamber film 11 and described upper valve film 21 to prevent air.

At this preferred embodiment, also may comprise and make described inflatable bodies 10 form multiple described inflation unit 13 be arranged side by side by the heat seal step at described partitioning slot 31 place, inflation unit 13 described in each can have corresponding described free air diffuser 24, thus realize not interfereing with each other, inflate separately.Whole inflatable bodies 10 also has other borders to seal seam 35 etc., and forms main channel 15 and inflation inlet 151, and described main channel 15 is equivalent to formation distribution circuit.Upon inflation, the charging connector of inflatable appliance 40 enters described inflation inlet 151, and air enters free air diffuser 24 described in each from described main channel 15 via admission port described in each 241, thus is filled with in the described plenum chamber 14 of inflation unit 13 described in each.In addition, it is worth mentioning that, in hot sealing process, same mould can be adopted once to seal in heat-seal operation shaping, also may carry out heat-seal operation in order in different mould.

The air-packing device according to another preferred embodiment of the present utility model and charge valve 20 thereof as shown in Fig. 8 to Figure 10.In this preferred embodiment, described air-packing device is not only a kind of packing material, and be through will the heat-sealing of film and bending after formed container cavity 16, thus directly connection with wrapping of piece can be contained in described container cavity 16 thus described air-packing device is able to provide air cushioning effect around described connection with wrapping of piece, thus use as air rubber capsule pack.The shape and size etc. of described air-packing device can design as required.

More specifically, similarly, described air-packing device also comprises the inflatable bodies 10 formed by two-layer described cameral mantle 11 and 12, and the described charge valve 20 that three layers of described valve film 21,22 and 23 is formed, described charge valve 20 for described inflatable bodies 10 each described in inflation unit 13 inflate.

In the example shown in Fig. 8 and Fig. 9, described air-packing device can form a U-shaped packaging bag, it will be understood by those skilled in the art that, here lifted example only exemplarily and not limits the utility model, and those skilled in the art can design the air rubber capsule pack of the other types with described container cavity 16 as required.

In this preferred embodiment, as shown in Figure 10, described reinforcing film 23 comprises the reinforcement extension 233 extending described close end 231 further at near-end, described main channel 15 is formed between described like this reinforcing film 23 and described lower chamber film 12, thus during inflation, air from the described main channel 15 between described reinforcing film 23 and described lower chamber film 12, then via correspondence each described in free air diffuser 24 enter the plenum chamber 14 of inflation unit 13 described in each.

Because described reinforcing film 23 has described reinforcement extension 233, thus described upper chamber film 11 can save a part of material.Like this, described reinforcement extension 233 is equivalent to be exposed to outermost, instead of it is inner to be positioned at two-layer described cameral mantle 11 and 12 in similar above-mentioned first embodiment.The i.e. close end of described upper chamber film 11 and described reinforcing film 23 and described upper valve film 21 and close end 231 and 211 heat-sealing, and do not extend to the position of the described reinforcement extension 233 of described reinforcing film 23.The described extension 233 of described reinforcing film 23 is superimposed with the close end of described lower chamber film 12.

The each described inflation unit 13 of described inflatable bodies 10 has multiple bending seam 36 respectively, as shown in Figure 11, each described inflation unit 13 can have two bending seams 36, thus inflation unit described in each 13 is divided into three and is connected to each other and the sub-inflation unit 131 interconnected.It is worth mentioning that, the position of the described bending seam 36 of inflation unit 11 described in these is corresponding, that is, described inflatable bodies 10 is equivalent to have the bending seam 36 that two row are arranged apart from one another by ground, be arranged on the described bending seam 104 of multiple described inflation unit 13 along straight-though arrangement, but be not continuous print, thus form an inflatable 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 through bending after form described container cavity 16, for accommodation connection with wrapping of piece.Alternatively, described inflatable bodies 10 has the bending seam 36 of multiple row for bending, it can be arranged in the nodal line arranged apart from one another by ground, thus these inflation unit 13 can be bent along these row bending seams 36, make this little inflation unit 131 of described inflatable bodies 10 form multiple gas chamber sidewall respectively.It will be appreciated by persons skilled in the art that the columns of the described bending seam 36 of described inflatable bodies 10 can be arranged as required, thus obtain the described gas chamber sidewall of ideal quantity.

Further, the midway location that seam 36 is arranged on corresponding described inflation unit 13 is bent described in each, and and leave predetermined space between adjacent two described partitioning slot 31, thus the communicating passage 17 formed between adjacent described sub-inflation unit 131, like this when inflating, when air enters inflation unit 13 described in each from free air diffuser described in each 24, can be dispensed to same described inflation unit 13 each described in sub-inflation unit 131.In addition, described bending seam 36 also can not be arranged on the midway location of corresponding described inflation unit 13, but is shaped integratedly with described partitioning slot 31, and described communicating passage 17 is formed in the midway location of described inflation unit 13.

In addition, in this preferred embodiment, after described inflatable bodies 10 is bent along the described bending seam 36 of two row, inflation sidewall between the described bending seam 36 of two row forms downside wall, and described downside wall both sides form front-rear side walls respectively, described front-rear side walls is further advanced by the end joint seal 37 ground heat-sealing of both sides, makes described inflatable bodies 10 both sides be able to heat-sealing, thus defines the described container cavity 16 of one end open.Be understandable that described end joint seal 37 can seal the heat-sealing seam that seam also can be interval by continuous print.Described end joint seal 37 can be arranged in the outermost described partitioning slot 31 of described inflatable bodies 10, also can be that outermost described partitioning slot 31 is formed together with described end joint seal 37 is in once sealing.Or described end joint seal 37 is also the other heat-sealing seam being different from outermost described partitioning slot 31.

Described air-packing device can be used alone, to be used for providing air cushioning effect to connection with wrapping of piece.Also other packing devices can be arranged in pairs or groups as packing chest or packing box use; namely connection with wrapping of piece can put into the described container cavity 16 of described air-packing device; then the described air-packing device being loaded with described connection with wrapping of piece puts into other packing chest again; thus provide the effect of protection further to connection with wrapping of piece, with the storage of instant packed article and transport.

The other advantageous version embodiment according to described air-packing device of the present utility model and charge valve thereof as shown in figure 11.In this embodiment, the described upper and lower valve film 21 and 22 of described charge valve 20 comprises the extension section 213 and 223 extending its close end 211 and 221 further respectively.Can form described main channel 15 between described extension section 213 and 223, thus the length of described upper and lower cameral mantle 11 and 12 is reduced.

In this preferred embodiment of the present utility model, when inflating to plenum chamber described in each 14, air only distributes between two-layer described valve film 21 and 22, and unlike in the prior art of Fig. 1 and Fig. 2, the main channel 1D between two-layer adventitia 1A and 1B can be introduced into, and then enter gas fill port 2C.And in the utility model, air only enters between two-layer valve film 21 and 22, and the impact of two layers of air cells film 11 and 12 can not be subject to, also can not enter between certain layer of valve film and cameral mantle, thus ensure the smoothness of inflation.

More specifically, in this preferred embodiment of the present utility model, unlike in the prior art of Fig. 1 and Fig. 2, two-layer inner membrance 2A and 2B is arranged between two-layer adventitia 1A and 1B completely, and the two-layer described valve film 21 and 22 of described charge valve 20 of the present utility model is just partly superimposed with each other with two-layer described cameral mantle 11 and 12.As shown in Figure 11, described upper valve film 21 is partly superimposed with described upper chamber film 11, and described lower valve film 22 is partly superimposed with described second cameral mantle 22.

That is, in the utility model, described cameral mantle 11 and 12 does not extend to the position of described main channel 15, but from the superimposed post heat-seal of local location of described charge valve 20 together.Because both sides, described main channel 15 only have extension section 213 and 223 described in one deck respectively, after during inflation, air enters described main channel 15, the described extension section 213 and 223 of two-layer described valve film 21 and 22 can be made relatively easily to expand, thus open the described free air diffuser 24 entering inflation unit 13 described in each.

It is worth mentioning that, in this preferred embodiment of the present utility model, two valve films 21 and 22 of described charge valve 20 can be independently films, form described main channel 15 and described free air diffuser 24 again after it is superimposed mutually through heat-sealing.It will be appreciated by persons skilled in the art that described charge valve 20 also can only be formed through doubling by a film.In each preferred embodiment above-mentioned, described cameral mantle 11 and 12 can be independently film, also can be that a film is formed through doubling.

In addition, see Figure 12, described main channel 15 also can be formed between described reinforcing film 23 and described lower valve film 22, and described so upper valve film 21 does not need be exposed to outside and save material.Namely described reinforcing film 23 comprises reinforcement extension 231, described lower valve film 22 comprises extension section 223, described main channel 15 is formed between the described reinforcement extension 231 of described reinforcing film 23 and the described extension section 223 of described lower valve film 22, thus ensures inflation smoothness.

It is worth mentioning that, in the embodiment shown in Figure 10 to Figure 12, unlike in the prior art of Fig. 1 and Fig. 2, air needs can be introduced into the main channel 1D between two-layer adventitia 1A and 1B, and then enter gas fill port 2C.Also unlike in prior art, air valve film 2A and 2B is between two-layer adventitia 1A and 1B, but at least one tunic of described charge valve 20 can extend to the outside being exposed to described cameral mantle 11 and 12, and may be used for forming described main channel 15.And, also can not need in first embodiment for being easy to open the described connecting sewing 38 of the admission port 241 between described upper and lower valve film 21 and 22.

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 (24)

1. an air-packing device, is characterized in that, comprising:

One inflatable bodies, it comprises a upper chamber film superimposed mutually and once cameral mantle, and to form at least one inflation unit, inflation unit described in each has a plenum chamber; And

One charge valve, it comprises valve film on superimposed mutually, valve film and a reinforcing film once, wherein said upper valve film, described lower valve film and described reinforcing film are connected to make to form at least one free air diffuser between described upper and lower valve film through a series of heat-sealing with described upper chamber film and described lower chamber film, described free air diffuser is used for inflating to described plenum chamber, after wherein inflation terminates, described upper valve film and described lower valve film are attached at described lower chamber film to close described free air diffuser thus to realize self-enclosed function, and described reinforcing film to be arranged between described upper valve film and described upper chamber film with the Joint strenght strengthened between described upper valve film and described upper chamber film thus to prevent described upper valve film to be torn.

2. air-packing device according to claim 1, the close end of described upper valve film of the admission port of wherein said upper chamber film and contiguous described free air diffuser and the close end heat-sealing of described reinforcing film, the close end heat-sealing of the described lower valve film of the described admission port of described lower chamber film and contiguous described free air diffuser.

3. air-packing device according to claim 2, wherein in two-layer described valve film, at least valve film inside face described in one deck is provided with a resistance to thermal barriers, thus makes in hot sealing process, makes to form described free air diffuser between two-layer described valve film.

4. air-packing device according to claim 3, wherein also comprise the one or more choke seams described upper and lower valve film distal portion heat-sealing connected, in the described plenum chamber of described choke seam prevention, air is from described free air diffuser reverse osmosis.

5. air-packing device according to claim 4, described upper and lower valve film and described reinforcing film seal with described lower chamber film and are connected by wherein said choke seam further, thus after making inflation terminate, described upper and lower valve film and described reinforcing film are attached at described lower chamber film to close described free air diffuser.

6., according to described air-packing device arbitrary in claim 1 to 5, wherein two-layer described cameral mantle is two independently films, or is formed through doubling by a film.

7., according to described air-packing device arbitrary in claim 1 to 5, wherein said air-packing device is further advanced by one or more partitioning slot and forms multiple described inflation unit, forms at least one described free air diffuser in each described inflation unit.

8. according to described air-packing device arbitrary in claim 1 to 5, wherein said cameral mantle and described valve film and described reinforcing film are fexible films, and it is selected from one or more in polyethylene foil, polypropylene film, polyvinyl chloride film, mylar, plasticon and laminated film.

9. according to described air-packing device arbitrary in claim 2 to 5, wherein said air-packing device is also formed with the main channel be connected with described free air diffuser, during inflation, air enters described main channel, then distributes the described plenum chamber entering inflation unit described in each.

10. air-packing device according to claim 9, wherein said main channel is formed between described upper and lower cameral mantle.

11. air-packing devices according to claim 9, wherein said main channel is formed between described upper and lower valve film.

12. air-packing devices according to claim 9, wherein said main channel is formed between described reinforcing film and described lower valve film.

13. air-packing devices according to claim 11, wherein said upper and lower valve film comprises the extension section of its close end extending contiguous described admission port further, between described extension section, form described main channel, described upper and lower cameral mantle does not need the position of the described extension section extending to described upper and lower valve film.

14. air-packing devices according to claim 12, wherein said lower valve film comprises the extension section of its close end extending contiguous described admission port further, described reinforcing film comprises the reinforcement extension of its close end extending contiguous described admission port, wherein between the described extension section and the described reinforcement extension of described reinforcing film of described lower valve film, form described main channel, described upper chamber film does not need the position of the described reinforcement extension extending to described reinforcing film.

15. according to described air-packing device arbitrary in claim 1 to 5, the distal portion of wherein said reinforcing film do not align with the distal portion of described upper valve film and described reinforcing film and described between valve film and described on form reinforcement passage between valve film, thus strengthen the sealing function to the described free air diffuser between described upper and lower valve film after inflation terminates further.

16. according to described air-packing device arbitrary in claim 1 to 5, and wherein said air-packing device forms inflating buffer pad.

17. according to described air-packing device arbitrary in claim 1 to 5, and wherein said air-packing device forms the air rubber capsule pack with a container cavity after a series of heat-sealing and bending.

18. 1 kinds of charge valves, it is suitable for inflating to air-packing device, described air-packing device comprises an inflatable bodies, it comprises a two-layer cameral mantle superimposed mutually, to form at least one inflation unit, inflation unit described in each has a plenum chamber, it is characterized in that, described charge valve comprises mutual superimposed two-layer valve film and one deck reinforcing film, wherein two-layer described valve film and described reinforcing film and described two layers of air cells film are by a series of heat-sealing, make at least one free air diffuser formed between two-layer described valve film for inflating to described plenum chamber, and after inflation terminates two-layer described valve film be attached at wherein cameral mantle described in one deck with close described free air diffuser, described reinforcing film to be arranged at described in other one deck cameral mantle and one deck between valve film.

19. charge valves as claimed in claim 18, wherein two-layer described cameral mantle comprises a upper chamber film and once cameral mantle, two-layer described valve film to comprise on one valve film and once valve film, the close end of described upper valve film of the admission port of wherein said upper chamber film and contiguous described free air diffuser and the close end heat-sealing of described reinforcing film, the close end heat-sealing of the described lower valve film of the described admission port of described lower chamber film and contiguous described free air diffuser, and described reinforcing film to be arranged between described upper valve film and described upper chamber film with the Joint strenght strengthened between described upper valve film and described upper chamber film thus to prevent described upper valve film to be torn.

20. charge valves according to claim 19, wherein in two-layer described valve film, at least the described inside face of valve film described in one deck is provided with a resistance to thermal barriers, thus make in hot sealing process, make to form described free air diffuser between the two-layer described valve film of two-layer described valve film.

21. charge valves according to claim 19, wherein also comprise the one or more choke seams described upper and lower valve film heat-sealing connected, in the described plenum chamber of described choke seam prevention, air is from described free air diffuser reverse osmosis.

22. charge valves according to claim 21, described upper and lower valve film and described reinforcing film seal with described lower chamber film and are connected by wherein said choke seam further, thus after making inflation terminate, described upper and lower valve film and described reinforcing film are attached at described lower chamber film to close described free air diffuser.

23. according to claim 19 to described charge valve arbitrary in 22, the distal portion of wherein said reinforcing film do not align with the distal portion of described upper valve film and described reinforcing film and described on form reinforcement passage between valve film, thus strengthen the sealing function to the described free air diffuser between described upper and lower valve film after inflation terminates further.

24. according to claim 19 to described charge valve arbitrary in 22, wherein said upper and lower valve film and described reinforcing film are fexible films, and it is selected from one or more in polyethylene foil, polypropylene film, polyvinyl chloride film, mylar, plasticon and laminated film.