CN205114051U - Multi -level buffer gas packaging device - Google Patents

Abstract

A multi -level buffer gas packaging device, it includes that at least one of at least two -layer air chamber filming aerifys an at least inflation valve of buffer body and at least two -layer valve filming, wherein it includes a plurality of gas storage units to aerify the buffer body, the inflation valve be used for to the gas storage unit is inflated and from sealing in case end gas and reveal after inflating, and the gas storage unit stitches through a series of plastic envelopes and forms the volumetric packaging bag that is used for packing article with buckling, and the volumetric packaging bag through inside and outside bag portion collocation or provide the buffer unit mode of strengthening and give the packing article provide multi -level buffer the effect.

Description

Multi-buffer air-packing devices

Technical field

The utility model relates to air-packing devices, particularly relates to the air-packing devices providing multi-buffer performance.

Background technology

Along with the change of modern way of life and the high speed development of logistics, a lot of article are all concluded the business by the form of logistics, such as electronic product, chemical products, medical product, pottery, glass and other daily living articles etc., in the process of these object storing or transport, unavoidable appearance extrudes, collide, the situation such as to fall, cause damage of product or distortion, bring serious loss.

In order to protect product, before storage or transport, people can use packing chest etc. to carry out packaging product, reach the object of protection by providing certain buffer action to product.Packing chest conventional at present comprises paper package box and gas flushing pouch; traditional paper package box can not provide good buffering effect; do not have good protective effect; so in the process used; often need first to use foam, flexiplast etc. by product to be packaged through multi-layer packaging; put into packing box again; to reach good anti-dropping crashworthiness; but this adds traffic cost undoubtedly; and wire up extremely inconvenient, not only lose time, reduce work efficiency; and add human cost, do not meet the demand of modern transportation industry.

Aerated package material reaches buffering effect by insufflation gas in the film, it can inflate place in operation again at packaging scene, so it is low to have traffic cost relative to traditional packing, is easy to the advantage stored, and buffering usefulness is more excellent, is conducive to environmental protection again.Existing gas flushing pouch is generally carried out by inflation post being bent to form multiple inflation sidewall, and each inflates sidewall again around formation interior accommodating space, for storage package article, and such as common U-shaped bag, C type bag or O type bag etc.But these existing packaging bags are by single buffer structure, namely around connection with wrapping of piece and with the form that the gas column that connection with wrapping of piece fits cushion, still can not reach the buffering effect be comparatively satisfied with in the occasion that some anti-dropping crashproof requirements are higher.

Summary of the invention

An object of the present utility model is to provide a multi-buffer air-packing devices; it provides multi-buffer effect; thus the connection with wrapping of piece being packaged in described multi-buffer air-packing devices is provided to the buffer protection function of enhancing; to prevent it when being impacted or clash into, cause the damage of described connection with wrapping of piece.

Another object of the present utility model is to provide a multi-buffer air-packing devices, wherein in certain embodiments, described multi-buffer air-packing devices comprises the multiple gas storage sidewalls formed by multiple gas storage unit, and it is around formation one inner chamber, wherein said multi-buffer air-packing devices also comprises an inner bag portion, described inner bag portion is suitable for being placed in described container cavity, thus form a container cavity, for the described connection with wrapping of piece of accommodation, the described gas storage sidewall wherein forming described container cavity forms an outer bag portion, described outer bag portion and described inner bag portion provide multi-buffer effect can to described connection with wrapping of piece.

Another object of the present utility model is to provide a multi-buffer air-packing devices, wherein said inner bag portion can be fixed in the described outer bag portion of unaerated in advance, or when for packing described connection with wrapping of piece, fill in again in described outer bag portion and form an inner bag, the described outer bag portion of such inflation provides first-level buffer, and described inner bag portion provides another first-level buffer, the impulsive force that described outer bag portion is subject to or impact can not directly be passed to described connection with wrapping of piece, thus strengthen buffering effect.

Another object of the present utility model is to provide a multi-buffer air-packing devices, wherein after the inflation of described outer bag portion, described inner bag portion fit in inside described outer bag portion or described inner bag portion be vacant state be positioned at described outer bag portion, especially when described inner bag portion is vacant state, namely buffering space is had between described inner bag portion and described outer bag portion, thus described connection with wrapping of piece is also contained in described outer bag portion vacantly, thus be not easy to be subject to outside impulsive force or impact.

Another object of the present utility model is to provide a multi-buffer air-packing devices, wherein said inner bag portion is connected with described outer bag portion or integrally formed, described inner bag portion can comprise the gas storage unit of minor diameter air chamber, to provide gas buffer effect in inner side, or a not charging portion, thus provide with the inner bag do not inflated and pack gentle punching effect.

Another object of the present utility model is to provide a multi-buffer air-packing devices, wherein in certain embodiments, formed in multiple gas storage sidewalls of described inner chamber, the described gas storage sidewall of both sides is arranged inclinedly, described like this connection with wrapping of piece can not directly and the described gas storage sidewall of both sides fit, thus the described gas storage sidewall of the front-rear side walls formed in multiple gas storage sidewalls of described inner chamber and both sides provides different buffering effects.

Another object of the present utility model is to provide a multi-buffer air-packing devices, wherein do not form front-rear side walls length in multiple gas storage sidewalls of described inner chamber not etc., thus its cross section forms trapezoidal shape roughly, cushion space can be formed between the described gas storage sidewall of such both sides and described connection with wrapping of piece, thus the described gas storage sidewall of both sides provides first-level buffer effect, and the setting of described cushion space can provide level 2 buffering effect, the described gas storage sidewall of such both sides is when being subject to the effect of impulsive force or impact, directly the impulsive force of outside or impact can't be passed to described connection with wrapping of piece, thus the buffering effect of reinforcement is provided.

Another object of the present utility model is to provide a multi-buffer air-packing devices, wherein in certain embodiments, the secondary plastic seam being used for multiple gas storage unit plastic packaging to be formed isolated packing bag is arranged between two adjacent described gas storage unit of bottom side, the one or more described gas storage unit of most bottom side is made to form the reinforcement buffer cell of the bottom of described isolated packing bag like this, thus in the bottom side of described isolated packing bag, first-level buffer effect is provided by the described gas storage unit forming inner chamber, and described reinforcement buffer cell provides another grade of buffering effect, thus realize multi-buffer.

For reaching above object, the utility model provides a multi-buffer air-packing devices, for packaging one connection with wrapping of piece, it comprises at least one inflation buffer body of at least two layers of air cells film formation and at least one charge valve of at least two-layer valve film formation, wherein said inflation buffer body comprises multiple gas storage unit, described charge valve is used for the inflation of described gas storage unit and self-enclosed to prevent gas leakage after inflation terminates, and described gas storage unit is through a series of plastic packaging seam and the isolated packing bag being bent to form the described connection with wrapping of piece of packaging, and described isolated packing bag provides multi-buffer effect to described connection with wrapping of piece.

According to an embodiment of the present utility model, gas storage unit described in each transversely arranges and surrounds into ring-type for the described isolated packing bag of formation, wherein a part of described gas storage unit forms an inner bag portion, gas storage unit described in another part forms an outer bag portion, wherein said inner bag portion is suitable for being placed in described outer bag portion, to provide described multi-buffer effect by described inner bag portion and described outer bag portion.

According to an embodiment of the present utility model, the independent mutually and plastic packaging in described inner bag portion and described outer bag portion links together, or described inner bag portion and described outer bag portion integrally formed.

According to an embodiment of the present utility model, described inner bag portion is suitable for being returned filling in described outer bag portion, and the inflation of described outer bag portion after, described inner bag portion is placed in described outer bag portion vacantly by the laminating of the inside face in described outer bag portion or described inner bag portion.

According to an embodiment of the present utility model, described inner bag portion plastic packaging is fixed in described outer bag portion.

According to an embodiment of the present utility model, described inner bag portion can not inflate, and described outer bag portion is inflatable.

According to an embodiment of the present utility model, described inflation buffer body has a main channel, described charge valve forms the multiple free air diffusers to gas storage unit air inlet described in each, gas storage unit described in a part for wherein multiple described gas storage unit closes described free air diffuser or described main channel to form the described gas storage unit that can not inflate by least one row choke seam plastic packaging, thus form described inner bag portion, and gas storage unit described in another part forms described outer bag portion.

According to an embodiment of the present utility model, described inner bag portion is formed by the monofilm in described cameral mantle or described valve film or two-layer above film is formed.

According to an embodiment of the present utility model, described multi-buffer air-packing devices also comprises multiple exhaust seam, gas storage unit described in a part for multiple described gas storage unit reduces gas-storing capacity by the plastic packaging of described exhaust seam, and for the formation of described inner bag portion, the gas-storing capacity in wherein said inner bag portion is less than the gas-storing capacity in described outer bag portion.

According to an embodiment of the present utility model, described inner bag portion is inflatable, and described outer bag portion can not inflate.

According to an embodiment of the present utility model, gas storage unit described in each in around shape and two ends, left and right through at least one row longitudinal plastic packaging seam, its plastic packaging is connected, described inner bag portion to be connected with side, the front and back plastic packaging in described outer bag portion through at least one row horizontal plastic packaging seam and to ensure that the inflation inlet of described main channel is not closed by top side and bottom side respectively.

According to an embodiment of the present utility model, described multi-buffer air-packing devices also comprises at least two row cut-off seams, it is separately positioned on the both sides in described inner bag portion, and for make described connection with wrapping of piece be limited in described cut-off seam between and keep separately with described outer bag portion.

According to an embodiment of the present utility model, the described cut-off of each row is stitched inclined extension or extends longitudinally.

According to an embodiment of the present utility model, the described horizontal plastic packaging of bottom side sew be arranged on bottom side adjacent two described gas storage unit between, to make the one or more reinforcement buffer cells becoming described isolated packing bag at the one or more described gas storage unit in the outside of described horizontal plastic packaging seam.

According to an embodiment of the present utility model, multiple described gas storage unit is through being bent to form multiple sidewall, and the left and right sides wall of wherein said isolated packing bag is arranged inclinedly, thus strengthens the side cushion characteristic of described isolated packing bag.

According to an embodiment of the present utility model, gas storage unit described in each transversely arranges and surrounds into ring-type for the described isolated packing bag of formation, wherein multiple described gas storage unit is through being bent to form multiple sidewall, the left and right sides wall of wherein said isolated packing bag is arranged inclinedly, thus strengthens the side cushion characteristic of described isolated packing bag.

According to an embodiment of the present utility model, gas storage unit described in each is around shape and its plastic packaging connects through the longitudinal plastic packaging seam of at least one row by two ends, left and right, and bottom side is stitched the connection of side, front and back plastic packaging through the horizontal plastic packaging of at least one row and ensured that the inflation inlet of described main channel is not closed.

According to an embodiment of the present utility model, multiple described sidewall comprises the left front sidewall being positioned at described longitudinal plastic packaging seam both sides, one right front sidewall, described left and right sidewall, and a rear wall, the length of the holistic front side wall that wherein said left and right front side wall is formed is less than the length of described rear wall, extends obliquely respectively between described front side wall and described rear wall to make described left and right sidewall.

According to an embodiment of the present utility model, the described horizontal plastic packaging of bottom side sew be arranged on bottom side adjacent two described gas storage unit between, to make the one or more reinforcement buffer cells becoming described isolated packing bag at the one or more described gas storage unit in the outside of described horizontal plastic packaging seam.

Accompanying drawing explanation

Fig. 1 is the perspective view of the multi-buffer air-packing devices according to first preferred embodiment of the present utility model.

Fig. 2 is the structural representation after cutting open along A-A line in Fig. 1 according to the multi-buffer air-packing devices of above-mentioned first preferred embodiment of the present utility model.

Fig. 3 is the structural representation of inner bag portion when being placed in outside according to the multi-buffer air-packing devices of above-mentioned first preferred embodiment of the present utility model.

Fig. 4 is the side, sectional structural representation of the multi-buffer air-packing devices according to above-mentioned first preferred embodiment of the present utility model.

Fig. 5 be according to the multi-buffer air-packing devices of above-mentioned first preferred embodiment of the present utility model in unaerated and planar development time structural representation.

Fig. 6 is according to the multi-buffer air-packing devices of above-mentioned first preferred embodiment of the present utility model structural representation in unaerated and after secondary plastic.

Fig. 7 is the perspective view of the multi-buffer air-packing devices according to second preferred embodiment of the present utility model.

Fig. 8 is the side, sectional structural representation of the multi-buffer air-packing devices according to above-mentioned second preferred embodiment of the present utility model.

Fig. 9 be according to the multi-buffer air-packing devices of above-mentioned second preferred embodiment of the present utility model in unaerated and planar development time structural representation.

Figure 10 is according to the multi-buffer air-packing devices of above-mentioned second preferred embodiment of the present utility model structural representation in unaerated and after secondary plastic.

Figure 11 A be a kind of variant embodiment of multi-buffer air-packing devices according to above-mentioned second preferred embodiment of the present utility model in unaerated and planar development time structural representation.

Figure 11 B is the side, sectional structural representation after inflation of a kind of variant embodiment of multi-buffer air-packing devices according to above-mentioned second preferred embodiment of the present utility model.

Figure 12 A be the another kind of variant embodiment of multi-buffer air-packing devices according to above-mentioned second preferred embodiment of the present utility model in unaerated and planar development time structural representation.

Figure 12 B is sectional structure schematic diagram after the inflation of the another kind of variant embodiment of multi-buffer air-packing devices according to above-mentioned second preferred embodiment of the present utility model.

Figure 13 A be the another kind of variant embodiment of multi-buffer air-packing devices according to above-mentioned second preferred embodiment of the present utility model in unaerated and planar development time structural representation.

Figure 13 B is sectional structure schematic diagram after the inflation of the another kind of variant embodiment of multi-buffer air-packing devices according to above-mentioned second preferred embodiment of the present utility model.

Figure 14 is the perspective view of the another kind of variant embodiment of multi-buffer air-packing devices according to above-mentioned second preferred embodiment of the present utility model.

Figure 15 is the perspective view of the multi-buffer air-packing devices according to the 3rd preferred embodiment of the present utility model.

Figure 16 be according to the multi-buffer air-packing devices of above-mentioned 3rd preferred embodiment of the present utility model in unaerated and planar development time structural representation.

Structural representation when Figure 17 is signal inner bag portion does not fill in the inner chamber in outer bag portion after inflation according to the multi-buffer air-packing devices of above-mentioned 3rd preferred embodiment of the present utility model.

Structural representation when Figure 18 is signal inner bag portion is stuffed into the inner chamber in outer bag portion after inflation according to the multi-buffer air-packing devices of above-mentioned 3rd preferred embodiment of the present utility model.

Figure 19 is the multi-buffer air-packing devices after inflation cross sectional shape schematic diagram of signal according to above-mentioned 3rd preferred embodiment of the present utility model.

Figure 20 is the structural representation filling in outer bag portion according to the inner bag portion of the multi-buffer air-packing devices of above-mentioned 3rd preferred embodiment of the present invention.

Figure 21 be according to the multi-buffer air-packing devices of above-mentioned 3rd preferred embodiment of the present invention be used for connection with wrapping of piece time structural representation.

Figure 22 is another variant embodiment not having inner bag portion of the multi-buffer air-packing devices according to above-mentioned 3rd preferred embodiment of the present invention.

Figure 23 be according to the multi-buffer air-packing devices of above-mentioned 3rd preferred embodiment of the present utility model do not have another variant embodiment in inner bag portion in unaerated and planar development time structural representation.

Figure 24 is the sectional structure schematic diagram of the charge valve of multi-buffer air-packing devices according to above-described embodiment of the present utility model.

Figure 25 is the sectional structure schematic diagram of a variant embodiment of the charge valve of multi-buffer air-packing devices according to above-described embodiment of the present utility model.

Figure 26 is the sectional structure schematic diagram of another variant embodiment of the charge valve of multi-buffer air-packing devices according to above-described 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.

The multi-buffer air-packing devices according to first preferred embodiment of the present utility model as shown in Figures 1 to 6, 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 gas buffer 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, multi-buffer air-packing devices may be embodied as air cushioning material, namely the gas be filled with, for air, it will be appreciated by persons skilled in the art that it also may is other gases in the application as required certainly.In this preferred embodiment, it can form an isolated packing bag after inflation, thus provides air cushioning effect for a connection with wrapping of piece.

In this preferred embodiment, described multi-buffer air-packing devices comprises at least one inflation buffer body 10, namely by a described inflation buffer body 10 formed an isolated packing bag or multiple described inflation buffer body 10 through plastic packaging connect as bonding or heat-sealing formed as described in isolated packing bag.In the example shown in Fig. 1 to Fig. 6 of the present utility model, it is formed by a described inflation buffer body 10.More specifically, with reference to Figure 24, described inflation buffer body 10 comprises at least two layers of air cells film 11 and 12 and forms through a series of plane plastic packaging seams 30 and three-dimensional plastic packaging seam 40 the described isolated packing bag comprising one or more gas storage unit 13 be connected, and forming one in gas storage unit 13 described in each can the air storage chamber 14 of gas storage.

It will be understood by those skilled in the art that, described plane plastic packaging seam 30 is for forming a plane padded coaming as shown in Figure 5 by multilayer film through plastic packaging, described three-dimensional plastic packaging seam 40 has space multistory configuration and the described volumetric packaging device that can hold described connection with wrapping of piece for being made by the further plastic packaging of above-mentioned plane padded coaming described multi-buffer air-packing devices be formed, as shown in fig. 1.Multilayer film link together by the mode that described plane plastic packaging seam 30 can be connected by bonding or heat-sealing with described three-dimensional plastic packaging seam 40, preferably, in this embodiment, described plane plastic packaging seam 30 and described three-dimensional plastic packaging seam 40 all can be embodied as and be formed by hot sealing process.

More specifically, described plane plastic packaging seam 30 comprises multiple row partitioning slot 31, and two layers of air cells film 11 and 12 is separated into multiple described gas storage unit 13 by it.Namely preferably, the described partitioning slot 31 of each row is formed by hot sealing process, and its heat-sealing connects two-layer described cameral mantle 11 and 12, thus forms the described partitioning slot 31 of row between adjacent two described gas storage unit 13.Described partitioning slot 31 can be continuous print hot-sealing line, thus makes multiple described gas storage unit 13 independent mutually.Be understandable that, as shown in Figure 5, the described partitioning slot 31 of row of top side and bottom side can become border, top side seam and border, the bottom side seam of described inflation buffer body 10 respectively.Described partitioning slot 31 can be also interrupted hot-sealing line, thus multiple described gas storage unit 13 is interconnected.Described gas storage unit 13 can be various shape, as bar shaped, circular, polygon or other are irregularly shaped etc., as as shown in Fig. 1 to Fig. 6, described inflation buffer body 10 of the present utility model can comprise multiple inflation post be arranged side by side, but we are not brightly restricted in this respect.

In this preferred embodiment, with reference to Figure 24, described inflation buffer body 10 comprises the charge valve 20 formed by least two-layer valve film 21 and 22 further, described valve film 21 and 22 and the described cameral mantle 11 and 12 of described charge valve 20 are superimposedly arranged mutually, and between described valve film 21 and 22, form the free air diffuser 23 being used for inflating to described air storage chamber 14.Be understandable that, described valve film 21 and 22 be shorter in length than described cameral mantle 11 and 12.When being inflated in described air storage chamber 14 by described free air diffuser 23 and air pressure in described air storage chamber 14 reaches pre-provisioning request, gas pressure in described air storage chamber 14 is on described valve film 21 and 22, wherein cameral mantle described in one deck is fitted in make described valve film 21 and 22, thus close described free air diffuser 23, play the effect of check valve to make described charge valve 20.When forming free air diffuser 23 described at least one in each described gas storage unit 13, and gas storage unit 13 described in each mutual independent time, when gas storage unit 13 described in one of them is damaged gas leakage, other described gas storage unit 13 can't be affected, and can also play air cushioning effect.

Be understandable that, the described cameral mantle 11 and 12 of described inflation buffer body 10 and the described valve film 21 and 22 of described charge valve 20 can be made up of various suitable membraneous material respectively, 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.It is worth mentioning that, in order to increase one-way sealing effect, the described valve film 21 and 22 of described charge valve 20 also can be by the above-mentioned film autohension film that modification obtains through adding chemical composition.

Described inflation buffer body 10 comprises a main channel unit 15 further, and it is connected to gas storage unit 13 described in each, and preferably, it extends gas storage unit 13 described in each integratedly.More specifically, in this preferred embodiment, described main channel unit 15 is perpendicular with the bearing of trend of described gas storage unit 13.Such as, in this embodiment, gas storage unit 13 described in each extends along horizontal direction, and described main channel unit 15 extends in a longitudinal direction.Described main channel unit 15 forms a main channel 151, and described main channel 151 has an inflation inlet 152, when the position of described inflation inlet 152 is provided with charging connector and performs charge operation, gas enters described main channel 151 in a longitudinal direction from described inflation inlet 152, and enter gas storage unit 13 described in each along horizontal direction again, and after reaching preset air pressure in air storage chamber described in each 14, the described valve film 21 and 22 of described charge valve 20 fits in wherein one deck cameral mantle 11 or 12, thus realize self-enclosed, with prevent the gas that is filled with again reverse osmosis enter described main channel 151.

It is worth mentioning that, be understandable that, described main channel unit 15 can be formed by two-layer described cameral mantle 11 and 12, also can be formed by two-layer described valve film 21 and 22, or by wherein cameral mantle 11 or 12 described in one deck and wherein valve film 21 or 22 described in one deck formed.

As shown in Figure 5, described plane plastic packaging seam 30 comprises the main channel sealing seam 33 of one side joint seal 32 of the continuous sealing of the left and right sides laying respectively at described inflation buffer body 10 and a continuous sealing in left side further, wherein forms described main channel 151 between the described banding seam 32 in left side and described main channel sealing seam 33.Be understandable that, described banding seam 32 by plastic package process as bonding or heat-sealing formed and involution connect two-layer as described in cameral mantle 11 and 12, described main channel sealing seam 33 by plastic package process as bonding or heat-sealing formed and by cameral mantle 11 as described in two-layer with 12 with valve film 21 as described in two-layer together with 22 are connected to, as shown in Figure 24, described cameral mantle 11 and described valve film 21 are sealed connection by the described main channel sealing seam 33 of the both sides up and down such as formed by a hot sealing process respectively, and described cameral mantle 12 and described valve film 22 are sealed connection.

As shown in Figure 5, gas storage unit 13 described in each comprises two row apart from one another by air guide seam 34 separately in the position of contiguous described main channel 151, it connects described cameral mantle 11 and 12 and described valve film 21 and 22 is formed by sealing, and the described free air diffuser 23 that described valve film 21 and 22 is formed stitches between 34 in the described air guide of two row.

With reference to Figure 24, described valve film 21 and 22 is further advanced by the heat-sealing of multiple connecting sewing 35 and is connected to described cameral mantle 11, when reaching predetermined air pressure like this in described air storage chamber 14, gas pressure is in described valve film 21 and 22, and be pressed towards described cameral mantle 11 because of the setting of described connecting sewing 35 simultaneously and finally fit in described cameral mantle 11, thus closing described free air diffuser 23.Namely described connecting sewing 35 seals and connects cameral mantle 11 described in two-layer described valve film 21 and 22 and one deck.In addition, as shown in Figure 5, the design of the shape of connecting sewing 35 described in each makes it also play the effect preventing gas backstreaming further, that is, when the gas in described air storage chamber 14 wants backflow, can stop by described connecting sewing 35 and described main channel 151 can not be entered by reverse osmosis easily.

In addition, when sealing these plane plastic packagings of formation and stitching 30, the described free air diffuser 23 of the described valve film 21 and 22 of described charge valve 20 can be formed by arranging heat-resisting baffling device, after hot sealing process, then takes out described heat-resisting baffling device.In this preferred embodiment, a refractory layer 24 is provided with between the described valve film 21 and 22 of described charge valve 20, as as shown in Fig. 5 and Figure 24, can be such as heat-resistant inks, it be attached at the inside face of wherein valve film 21 or 22 described in one deck, like this, when sealing the described main channel of formation and sealing seam 33, two-layer described valve film 21 and 22 can not seal connection, thus described free air diffuser 23 is able to be connected with described main channel 151, and can not be closed by its inlet port because of heat-sealing.

In this preferred embodiment, described main channel 151 is formed by two-layer described cameral mantle 11 and 12, described refractory layer 24 and each own extension of described valve film 21 and 22 enter described main channel 151, the row that described plane plastic packaging seam 30 also comprises the position of the extension corresponding to described refractory layer 24 apart from one another by the joint close 36 arranged along the longitudinal direction, because the setting of described refractory layer 24, described joint close 36 by two-layer described cameral mantle 11 with 12 with two-layer described valve film 21 together with 22 are connected to, and two-layer described valve film 21 and 22 does not seal connection, described joint close 36 be arranged so that described inflation buffer body 10 inflate time, after gas enters described main channel 151, adjacent described valve film 21 with 22 with the corresponding described cameral mantle 11 be connected with 12 can together with expand and open corresponding described free air diffuser 23.

Described plane plastic packaging seam 30 also comprises multiple row in the bending seam 37 being interrupted heat-sealing, and the described inflation buffer body 10 after inflation is suitable for bending along described bending seam 37, thus makes described inflation buffer body 10 form multiple sidewall.More specifically, gas storage unit 13 described in each is divided into multiple sub-gas storage unit 131 by described bending seam 37, described bending seam can be positioned at the medium position of described gas storage unit 13, and both sides form a communicating passage 132 respectively, described sub-gas storage unit 131 adjacent is like this interconnected, as shown in Figure 5.Be understandable that, described bending seam also can be positioned at the both sides of described gas storage unit 13, and described communicating passage 132 is positioned at the medium position of described gas storage unit 13.Correspondingly, be understandable that, the described bending seam 37 of each row seals and connects two-layer described cameral mantle 11 and 12.

As shown in Figure 5, described plane plastic packaging seam 30 also comprises a row choke seam 38, the described free air diffuser 23 of the multiple described gas storage unit 13 of the top side of described inflation buffer body 10 3 described gas storage unit 13 as illustrated in the drawing seals by it, namely can be arranged on contiguous in the position of the afterbody of described free air diffuser 23, described two-layer described cameral mantle 11 is connected with 22 heat-sealings with 12 and two-layer described valve film 21, thus gas storage unit 13 can not be inflated described in each, thus form the gas column of unaerated.

Correspondingly, by the setting of described choke seam 38, the described gas storage unit 13 of multiple described horizontal expansion is divided into and longitudinally arranges multiple inflatable gas storage unit 13a and multiple not inflatable gas storage unit 13b.Such as, as shown in Figure 5,3 described gas storage unit 13b of upside can not inflate, and in this embodiment of the present utility model, for the formation of an inner bag portion 10b, and 4 of bottom side described inflation unit 13a can inflate, thus form an outer bag portion 10a.That is, in this preferred embodiment of the present utility model, provide multi-buffer effect by inflatable described outer bag portion 10a and the described inner bag portion 10b that do not inflate.

Further, with in the example shown in Fig. 1 and Fig. 5, described plane plastic packaging seam 30 comprises the described bending seam 37 of four row, thus described inflation buffer body 10 is suitable for forming right front sidewall 101 along the described bending seam 37 of four row, right side wall 102, rear wall 103, left side wall 104 and left front sidewall 105.Above-mentioned these sidewalls 101-105 forms an inner chamber 106 by bending, its top side has an opening 107.Namely these sidewalls 101-105 is in arranging around shape, and gas storage unit 13 described in each forms the gas storage post of annular.Namely as shown in Figure 5, part on the left of seam 37 is bent for the formation of described right front sidewall 101 described in first row, described right side wall 102 is formed between the described bending seam 37 of first and second row, described rear wall 103 is formed between second and the described bending seam 37 of the 3rd row, form described left side wall 104 between the described bending seam 37 of third and fourth row, and the 4th row described bending seam right side forms described left front sidewall 105.Be understandable that, the described sub-gas storage unit 131 extended integratedly along its length of the described all gas unit 13 of each freedom of each described sidewall 101-105 is formed.

Correspondingly, as shown in Figure 1 and Figure 5, described three-dimensional plastic packaging seam 40 comprises the horizontal plastic packaging seam 41 being positioned at bottom side, its by described front side wall 101 with 105 together with the bottom side plastic packaging of described rear wall 103, namely realize the sealing of the bottom side of described outer bag portion 10a.Described three-dimensional plastic packaging seam 40 comprises the horizontal plastic packaging seam 42 being positioned at top side further, its by described front side wall 101 with 105 together with the top side plastic packaging of described rear wall 103, namely realize the sealing of the top side of described inner bag portion 10b.Described three-dimensional plastic packaging seam 40 also comprises the end joint seal 43 of a longitudinal direction, and described right front sidewall 101 and described left front sidewall 105 are sealed connection by a longitudinal direction, arrange in the form of a ring by described inflation buffer body 10, and is connected by its two ends head and the tail.Like this, the described horizontal plastic packaging seam 41 and 42 of multilayer film and described end joint seal 43 is connected by these heat-sealings, described inflation buffer body 10 is formed have an isolated packing bag of the inflatable described outer bag portion 10a of bottom side and the described inner bag portion 10b do not inflated of top side, as shown in Figure 3 and Figure 6, its illustrate respectively described isolated packing bag after inflation with inflation before state.

In addition, although it is pointed out that shown in Fig. 5 to be stitch through described plane plastic packaging the plane padded coaming that 30 plastic packagings are formed, it also illustrates the position of described three-dimensional plastic packaging seam 40 further, thus understands the forming process of described isolated packing bag more easily.

Described inner bag portion 10b is suitable for being stuffed in the described inner chamber of described outer bag portion 10a, to form a container cavity 108, as shown in Figures 2 to 4.Like this, described inner bag portion 10b is suitable for holding described connection with wrapping of piece, the described inner bag portion 10b accommodating described connection with wrapping of piece is placed in the described inner chamber 106 of described outer bag portion 10a further, thus described outer bag portion 10a provides first-level buffer effect by the mode of gas buffer, and described inner bag portion 10b provides another grade of buffering effect, act on the impulsive force of described outer bag portion 10a or impact to be like this unlikely and to be directly passed to described connection with wrapping of piece, also be unlikely when described connection with wrapping of piece rocks and directly impulsive force be passed to described outer bag portion 10a and the damage that causes described outer bag portion 10a.In other words, described outer bag portion 10a and described inner bag portion 10b arranges in pairs or groups mutually thus provides multi-buffer effect.

It is worth mentioning that, when described inner bag portion 10b is for carrying described connection with wrapping of piece, and after described outer bag portion 10a inflation, described inner bag portion 10b outside face can fit with the inside face of described outer bag portion 10a, also can not fit.Preferably, in this embodiment, described inner bag portion 10b be vacant state be placed in the described inner chamber of described outer bag portion 10a, namely exist between described inner bag portion 10b and described outer bag portion 10a and cushion space, thus strengthen cushion characteristic further.That is, the described gas storage unit 13 of described outer bag portion 10a is when being subject to external impact or impact, described buffering space provides the space of deformation to described gas storage unit 13, thus prevents the stress acted on to described gas storage unit 13 to be directly passed to described connection with wrapping of piece.

Further, described outer bag portion 10a can be connected by heat-sealing with described inner bag portion 10b, preferably, in this embodiment, described outer bag portion 10a and described inner bag portion 10b is integrally formed, namely extended integratedly by same cameral mantle and valve film and formed, described outer bag portion 10a and described inner bag portion 10b arranges along the longitudinal, and described inner bag portion 10b can fill in described outer bag portion 10a, described like this inner bag portion 10b not only plays packaging to described connection with wrapping of piece and effect at described outer bag 10a, and strengthen buffer action further, when described outer bag portion 10a is subject to outside impact and effect of impact, described inner bag portion 10b prevents described connection with wrapping of piece from rocking and is engaged in certain corner and causes stress to concentrate.

In addition, described three-dimensional plastic packaging seam 40 comprises a row cut-off seam 44 of the both sides laying respectively at described inner bag portion 10b further, and side, the front and back heat-sealing of inner bag portion 10b described in it connects, as Fig. 3, shown in Fig. 5 and Fig. 6, it can be embodied as separately from both sides of the edge to the heat-sealing seam that intermediate, inclined extends.Like this when described connection with wrapping of piece is housed inside in the described container cavity 108 of described inner bag portion 10b formation again, it is limited between described two row cut-off seams 44, the both sides of described like this connection with wrapping of piece also can and the inside face of described right side wall 102 and described left side wall 104 between there is headspace, thus the external impact force that is subject to of the both sides of the described isolated packing bag that described inflation buffer body 10 is formed or impact also directly can not be passed to the both sides of described connection with wrapping of piece, thus strengthen the side cushion characteristic of described multi-buffer air-packing devices.

It is worth mentioning that, described three-dimensional plastic packaging seam 40 can be continuous print heat-sealing seam also can be the heat-sealing seam be interrupted.Described horizontal plastic packaging seam 41 and 42 can be positioned at the position of the described partitioning slot 31 of described inflation buffer body 10 bottom side or top side separately, also can form described partitioning slot 31 and described plastic packaging seam 41 or 42 by once sealing simultaneously.In example in Figure 5, the independently heat-sealing that described horizontal plastic packaging seam 41 and 42 can be respectively other is naturally stitched and is respectively formed at described inflation buffer body 10 bottom edge and top edge.Described longitudinal end joint seal 43 can be arranged on the position of the described banding seam 32 of contiguous described main channel 151, or form described end joint seal 43 and described banding seam 32 by once sealing simultaneously, or independently heat-sealing seam that also can be other, it is arranged on the outer ledge of described banding seam 32.When it is arranged on the inner side of described banding seam 32, then described main channel 151 will be formed between described end joint seal 43 and described main channel sealing seam 33.

In addition, as shown in Figure 5, when the described inflation inlet 152 of described main channel 151 is arranged on the top side of described inflation buffer body 10, the described horizontal plastic packaging seam 42 of top side comprise apart from one another by plastic packaging section 421 and 422, wherein leave interval 423, the position of the described inflation inlet 152 of corresponding described main channel 151, described interval 423 does not seal, thus described inflation inlet 152 is able to be closed and can to carry out follow-up charge operation.

Described left side wall 104 and described right side wall 102 can apart from one another by and arrange roughly parallel to each other.In this preferred embodiment of the present utility model, more preferably, described left side wall 104 and described right side wall 102 is respective arranges inclinedly, that is, described left side wall 104 extends between described left front sidewall 105 and described rear wall 103 obliquely, and described right side wall 102 extends between described right front sidewall 101 and described rear wall 103 obliquely.

Such as in the example depicted in figure 1, the length of described front side wall 101 and 105 is less than the length of described rear wall 103, make described left side wall 104 and described right side wall 102 extend obliquely separately like this, and between respective and described rear wall 103, form a cushion space 1041 and 1021.Certainly, being understandable that, as distortion, also may be the length that the length of described front side wall 101 and 105 is greater than described rear wall 103.

Correspondingly, the shape of the cross-sectional plane of described inflation buffer body 10 is roughly in trapezoidal.When described packing device is placed in described inner bag portion 10b, the both sides of described connection with wrapping of piece can be positioned in the position of first row and the described bending seam 37 of the 4th row, and can not extend into described cushion space 1041 and 1021.Like this, the both sides of described connection with wrapping of piece can not with inflation after described left side wall 104 and described right side wall 102 directly fit, but separately, like this when described left side wall 104 and described right side wall 102 are subject to outside impact or impact, outside impact or impact directly can't be passed to described connection with wrapping of piece by described left side wall 104 and described right side wall 102, but provide deformation space to respectively described left side wall 104 and described right side wall 102 by described cushion space 1041 and 1021, impacted separately or impact and after producing deformation at described left side wall 104 and described right side wall 102, the air of himself inside flows and the characteristic of restoring makes it have elastic recovery properties, and after impact or shock terminate, automatic reinstatement, and don't can by Stress transmit to described connection with wrapping of piece, thus strengthen the cushion characteristic of whole described multi-buffer air-packing device significantly.Namely the described sub-gas storage unit 131 of described left side wall 104 and described right side wall 102 provides first-level buffer, and the setting of described cushion space 1041 and 1021 provides another first-level buffer, thus realizes multi-buffer effect.

The multi-buffer air-packing device according to second preferred embodiment of the present utility model as shown in Figure 7 to 10, similarly, in this preferred embodiment, described multi-buffer air-packing devices comprises at least one inflation buffer body 10A and plays one-way air inlet and a self-packing charge valve 20, it forms one or more gas storage unit 13A be connected through a series of plane plastic packaging seam 30A with three-dimensional plastic packaging seam 40A, and described gas storage unit 13A arranges and in the form of a ring around formation one inner chamber 106A.

In this preferred embodiment of the present utility model, described inflation buffer body 10A forms integrally formed inner bag portion 10b and outer bag portion 10a, and described inner bag portion 10b is fixedly connected with described outer bag portion 10a further in three-dimensional plastic packaging step.That is, when carrying out three-dimensional plastic packaging step and namely by described three-dimensional plastic packaging seam 40, plane padded coaming being formed described isolated packing bag, described inner bag portion 10b is stuffed in described outer bag portion 10a, and seal fixing with described outer bag portion 10a, thus before inflation, described inner bag portion 10b is just arranged in described outer bag portion 10a in advance.Therefore, when manufacturing described multi-buffer air-packing device, in advance described inner bag portion 10b is fixed in described outer bag portion 10a, when packing so at the scene, no longer need, in the embodiment of picture shown in Fig. 1 to Fig. 6, to be used further to pack described connection with wrapping of piece in the described outer bag portion 10a after described inner bag portion 10b is filled in described inflation.

Be understandable that, being fixed on by described inner bag portion 10b in described outer bag portion 10a can various suitable mode, such as in the example shown in Fig. 8, the horizontal plastic packaging seam 41A of described outer bag portion 10a seals the edge connecting described inner bag portion 10b further, be alternatively that described horizontal plastic packaging seam 41 and 42 in the embodiment of above-mentioned Fig. 1 to Fig. 6 is integrated into the described horizontal plastic packaging seam 41A of row, make described inner bag portion 10b seal like this and be connected to described outer bag portion 10a.Be understandable that, connect described inner bag portion 10b and described outer bag portion 10a and also the heat-sealing of described inner bag portion may be connected to the described partitioning slot 31A of a certain row or described bending seam 37A, the utility model is not restricted in this respect.

In addition, as shown in figs. 9 and 10, the described inflation inlet 152A of described inflation buffer body 10A also can be arranged on its bottom side, correspondingly, the position prepared separation of described horizontal plastic packaging seam 41A corresponding described inflation inlet 152A at middle part of bottom side, to prevent from closing described inflation inlet 152A.

As shown in Figure 11 A and 11B, according to a variant embodiment of above-mentioned second preferred embodiment of the present utility model, described choke seam 38B is arranged on the suitable location of described main channel 151B, thus by described choke seam 38B the multiple described gas storage unit 13B of described inflation buffer body 10B is divided into the injection section and non-injection section of namely arranging along its Width along the longitudinal direction.Correspondingly, as illustrated in figure 11 a, 4 described gas storage unit 13B of top side can not inflate, and the described gas storage unit 13B of 4 that the one of bottom side extends is inflatable.

Namely after gas enters described main channel 151B by described inflation inlet 151B, 4 described gas storage unit 13B of bottom side can be entered respectively, and cause gas can not continue to enter 4 described gas storage unit 13B of top side because the heat-sealing of the film of described main channel unit 15B connects by described choke seam 38B.

In addition, it is worth mentioning that, in this embodiment of the present utility model, the part that can not inflate of described inflation buffer body 10B forms described outer bag portion 10a, and its inflatable portion divides formation described inner bag portion 10b.Be understandable that; namely the part can not inflated outwards turns down and after plastic packaging; what also can form inflatable inner bag does not inflate outer bag; thus the outer bag of not inflating provides protective effect; such as prevent hard items from puncturing described inflatable inner bag; thus multi-buffer protective effect is also provided, as shown in Figure 11 B.

As shown in Figures 12 A and 12 B, according to another variant embodiment of above-mentioned second preferred embodiment of the present utility model, described inflation buffer body 10C forms described outer bag portion 10a and described inner bag portion 10b, and described inner bag portion 10b is formed by cameral mantle described in one deck 11 or 12.Namely single thin film is connected to described outer bag portion 10a and extends from its top side, and it can be connected by heat-sealing, and more preferably, it can be integrally formed.Namely cameral mantle described in certain one deck as described in cameral mantle 11 continue the extension that extends to top side, thus to may be used for described inner bag portion 10a.Namely the multiple described gas storage unit 13C of film described in individual layer and bottom side is through three-dimensional plastic packaging, and film described in individual layer is filled in the described outer bag portion 10a of described gas storage unit 13C formation, to form described inner bag portion 10b by interior.

As illustrated in figures 13 a and 13b, according to another variant embodiment of above-mentioned second preferred embodiment of the present utility model, the described inner bag portion 10b that the top side of described inflation buffer body 10D and bottom side are formed and described outer bag portion 10a is inflatable structure.As shown in FIG., 4 described gas storage unit 13D of bottom side form described outer bag portion 10a, and 4 described gas storage unit 13D of top side form described inner bag portion 10b.

More specifically, the exhaust seam 39D that 4 described gas storage unit 13D of top side are extending transversely separately is divided into multiple minor diameter gas storage unit 133D, such as, in Figure 13 A, each described gas storage 13D is divided into 3 described minor diameter gas storage unit 133D by two row described exhaust seam 39D.Like this, multiple described minor diameter gas storage unit 133D is placed in the large diameter described gas storage unit 13D of bottom side, thus forms described inner bag portion 10b.

That is, described inner bag portion 10b and described outer bag portion 10a can provide inflation buffering effect, thus the described isolated packing bag that described inflation buffer body 10D is formed is provided multi-buffer effect.Be understandable that, described exhaust seam 39D is embodied as horizontal continuous print heat-sealing seam in this embodiment, and seals two-layer described cameral mantle.In some variant embodiment, it also can be the heat-sealing seam at interval, and is ensureing under the condition that described inner bag portion 10b can be communicated with along its length direction, various suitable shape can be had, as apart from one another by multiple circles, square, triangle or other polygonal heat-sealing blocks etc.

As shown in figure 14, according to another variant embodiment of above preferred embodiment of the present utility model, similarly, described inflation buffer body 10E forms described inner bag portion 10b and described outer bag portion 10a, wherein said cut-off seam 44E is formed at the both sides of the described inner bag portion 10b do not inflated, and in this variant embodiment, described cut-off seam 44E extends skewedly, but can extend on vertical direction ground, be stuffed in described outer bag portion 10a at the described inner bag portion 10b do not inflated like this, and during for packing described connection with wrapping of piece, described connection with wrapping of piece is limited between the described cut-off seam 44 of two row.

More specifically, as shown in Figure 14, the described cut-off seam 44 of two row is arranged apart from one another by ground, often arrange described cut-off seam 44, can be Continuous Heat joint seal also can be spaced heat joint seal, its predetermined distance of being separated by with the edge of the both sides of described inner bag portion 10b separately, and extend along the longitudinal direction, like this when described connection with wrapping of piece is limited between the described cut-off seam 44 of two row, between sidewall 104E and 102E of the described outer bag portion 10a of described connection with wrapping of piece and described inflation buffer body 10E apart from one another by, thus prevent the stress acting on described sidewall 104E and 102E to be directly passed to described connection with wrapping of piece, thus enhancing buffer action.

The multi-buffer air-packing device according to the 3rd preferred embodiment of the present utility model as shown in Figure 15 to Figure 20, similarly, it comprises at least one inflation buffer body 10F and plays one-way air inlet and a self-packing charge valve 20, it forms one or more gas storage unit 13F be connected through a series of plane plastic packaging seam 30F with three-dimensional plastic packaging seam 40F, and described gas storage unit 13F arranges and in the form of a ring around formation one inner chamber 106F.

In this preferred embodiment of the present utility model, described inflation buffer body 10F forms integrally formed inner bag portion 10b and outer bag portion 10a.And multiple described gas storage unit 13F forms inflatable gas storage unit 13a, and the gas storage unit 13b that can not inflate formed because of the setting of described choke seam 38, and be formed with the reinforcement buffer cell 13c of bottom side further.

More specifically, as as shown in Figure 15 to Figure 18, the described horizontal plastic packaging seam 41F of the bottom side of described three-dimensional plastic packaging seam 40 is arranged between two adjacent described gas storage unit 13F of bottom side, makes the outermost one or more described gas storage unit 13 in bottom side form described reinforcement buffer cell 13c like this.That is, described horizontal plastic packaging seam 41F is not arranged on the edge of described inflation buffer body 10F bottom side, but the described partitioning slot 31F be arranged between two adjacent described gas storage unit 13F, or form described partitioning slot 31F and described horizontal plastic packaging seam 41F by a hot sealing process, the both sides along the longitudinal direction of described so horizontal plastic packaging seam 41F are described reinforcement buffer cell 13c and inflatable described gas storage unit 13a respectively simultaneously.

Similarly, when described inflation inlet 152F is arranged on the bottom side of described inflation buffer body 10F, described horizontal plastic packaging seam 41F comprises two horizontal plastic packaging section 411F and 412F, the position of the corresponding described inflation inlet 152F of the interval 412F between two described horizontal plastic packaging section 411F and 412F thus prevent it to be heat-sealed closedown in the hot sealing process forming described horizontal plastic packaging seam 41F.

Be understandable that, as shown in Figure 20, when described connection with wrapping of piece M is packaged in described multi-buffer air-packing device, in its bottom side, the described reinforcement buffer cell 13F being positioned at bottom side provides the effect of one-level gas buffer, and the inflatable described gas storage unit 13a being positioned at the inner side of described reinforcement buffer cell 13F provides another grade of gas buffer effect, and the described inner bag portion 10b that the described gas storage unit 13b do not inflated is formed provides first-level buffer effect further, thus the described isolated packing bag making the described inflation buffer body 10F of this preferred embodiment of the present utility model be formed is provided multi-buffer effect.That is, such structure design, enhances its integrated buffer performance, especially the cushion characteristic of bottom side.

In addition, as shown in Figure 15 and Figure 16, the described end joint seal 43F of the longitudinal direction of described three-dimensional plastic packaging seam 40 also can be formed in the position of corresponding described main channel sealing seam 33F in this embodiment, or in a plastic package process, described main channel sealing seam 33F and longitudinal described end joint seal 43F can be formed, to be connected by the two ends of described inflation buffer body 10F head and the tail simultaneously.Similarly, the top side of described inflation buffer body 10 is connected with bottom side plastic packaging by described plastic packaging seam 41F with 42F of the transverse direction of described three-dimensional plastic packaging seam 40 respectively, thus is used for forming described inner chamber 106F.In addition, similar above-mentioned second embodiment, horizontal described plastic packaging seam 41F and 42F also may be formed together, described like this outer bag portion 10b is fixedly connected on described inner bag portion 10a, thus when packing at the scene, no longer need artificially to be filled in the described inner bag portion 10a after inflation by described outer bag portion 10b.

Similarly, the described cut-off seam 44F longitudinally being arranged at the both sides of described inner bag portion 10b plays the effect of spacing described connection with wrapping of piece M, thus make sidewall that the described inflation buffer body 10F of described connection with wrapping of piece M and both sides is formed separately, to strengthen the buffer action of side.

In addition, as shown in Figure 19, be similar in above-mentioned first embodiment, its left and right sidewall can in arranging obliquely, the length of front-rear side walls is not identical, thus make cross section be roughly trapezoidal, thus strengthen the side cushion characteristic of the described multi-buffer air-packing device of this preferred embodiment of the present utility model further.

It is worth mentioning that, described multi-buffer air-packing device of the present utility model can be used for described connection with wrapping of piece M to be contained in the described container cavity 108F of described outer bag portion 10b, as as described in one, multi-buffer air-packing device is used for holding connection with wrapping of piece M as described in therein, and then can arrange in pairs or groups other packing chest or packing box etc. are used for storing and transporting described connection with wrapping of piece M.In the application that this preferred embodiment is illustrated, as shown in Figure 21, described connection with wrapping of piece M can also be packed by two described multi-buffer air-packing devices in the mode of make-up.That is, the utility model is equivalent to provide a package component, it comprises two described multi-buffer air-packing devices, two ends of wherein said connection with wrapping of piece M are housed inside in the described container cavity 108F of described outer bag portion 10b of described multi-buffer air-packing device respectively, and then are placed in other packing chest or packing box etc. and are used for storing and transporting described connection with wrapping of piece M.And the structure design of this multi-buffer air-packing device of the present utility model can strengthen the cushion characteristic of each side significantly, prevent external impact force or impact from causing the damage of described connection with wrapping of piece M.

Be a kind of variant embodiment according to above-mentioned 3rd preferred embodiment of the present utility model as shown in Figure 22 to Figure 23, in this variant embodiment, the described inner bag portion 10b of above-mentioned 3rd preferred embodiment can be there is no.As shown in FIG., described inflation buffer body 10G forms multiple described gas storage unit 13G, and multiple described inflation unit 13G forms the gas storage unit 13G being used for being formed described inner chamber 106G, to form a package main body, and bottom side makes the one or more described gas storage unit 13G of bottom side form described reinforcement buffer cell 13c by described horizontal plastic packaging seam 41G.

In this embodiment, the described horizontal plastic packaging of bottom side stitches the bottom side involution of the described isolated packing bag that 41G makes described multi-buffer air-packing device be formed, and side does not need to arrange the described horizontal plastic packaging seam 42F of above-mentioned other row more in addition, thus forming described opening 107G in the top side of described isolated packing bag, described connection with wrapping of piece is directly placed in described inner chamber 106G by described opening 107G.

Similarly, gas storage unit 13G described in each is divided into the multiple described sub-gas storage unit 131G that can be communicated with by partitioning slot 37G described in multiple row, thus can form multiple sidewall, and wherein front-rear side walls length differs, make left and right sidewall can be inclined, thus strengthen the cushion characteristic of left and right side.And the described reinforcement buffer cell 13c of bottom side can strengthen the cushion characteristic of bottom side.

Be understandable that, because front-rear side walls heat-sealing connects by described horizontal plastic packaging seam 41G, cause forming cushion space between the adjacent described gas storage unit 13a of its left and right sides and described reinforcement buffer cell 13c, thus described reinforcement buffer cell 13c is had deformation space because of the setting of described cushion space, thus strengthen the buffering effect of bottom side.Further, when the air chamber unit that described reinforcement buffer cell 13c is considerable larger diameter, and the described gas storage unit 13a be adjacent is when being the air chamber unit of relative small diameter, described cushion space can be increased, thus further for described reinforcement buffer cell 13c provides the deformation space of increase.

In addition, when the bottom side of the package main body of described gas storage unit 13a formation is minor diameter air chamber unit, namely contiguous described horizontal plastic packaging seam 41G and within it be minor diameter air chamber unit, and the both sides of described minor diameter air chamber unit are when being major diameter air chamber unit respectively, because the tensioning function that two side, front and back is connected by described horizontal plastic packaging seam 41G, described minor diameter air chamber unit can be made to be hidden between the described major diameter air chamber unit of both sides, thus described minor diameter air chamber unit is not subject to outside impact or effect of impact, thus strengthen the bottom side cushion characteristic that described multi-buffer air-packing device forms described isolated packing bag further.

The structural representation of charge valve 20 as described in multi-buffer air-packing devices as described in of the present utility model as shown in Figure 24 to Figure 26.As shown in figure 24, described charge valve 20 comprises the valve film 21 and 22 shorter relative to two-layer described cameral mantle 11 and 12, and it is superimposed for forming the free air diffuser 23 inflated to the described air storage chamber 14 of gas storage unit 13 described in each with described cameral mantle 11 and 12 respectively.As shown in figure 25, described charge valve 20 can comprise further increases one deck valve film 25, and it is between two-layer described valve film 21 and 22, for enhancing sealing property.As shown in figure 26, described charge valve 20 can comprise one deck valve film 26 further, it is between cameral mantle described in one deck 12 and described valve film 22, namely the outside of two-layer described valve film 21 and 22 is positioned at, thus play and prevent the connection of described valve film 22 and described cameral mantle 12 to be torn, to play the effect strengthened it and firmly connect.Be understandable that, the concrete structure of above-mentioned charge valve 20 only limits the utility model as an example and not.

In addition, it will be appreciated that, feature in each embodiment of the present utility model can be applied in other embodiments, the combination that namely feature of all these embodiments can be suitable, thus for making air-packing device of the present utility model provide multi-buffer effect.

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 (19)

1. a multi-buffer air-packing devices, for packaging one connection with wrapping of piece, it is characterized in that, comprise at least one inflation buffer body of at least two layers of air cells film formation and at least one charge valve of at least two-layer valve film formation, wherein said inflation buffer body comprises multiple gas storage unit, described charge valve is used for the inflation of described gas storage unit and self-enclosed to prevent gas leakage after inflation terminates, and described gas storage unit is through a series of plastic packaging seam and the isolated packing bag being bent to form the described connection with wrapping of piece of packaging, and described isolated packing bag provides multi-buffer effect to described connection with wrapping of piece.

2. multi-buffer air-packing devices according to claim 1, wherein gas storage unit described in each transversely arranges and surrounds into ring-type for the described isolated packing bag of formation, wherein a part of described gas storage unit forms an inner bag portion, gas storage unit described in another part forms an outer bag portion, wherein said inner bag portion is suitable for being placed in described outer bag portion, to provide described multi-buffer effect by described inner bag portion and described outer bag portion.

3. multi-buffer air-packing devices according to claim 2, the independent mutually and plastic packaging in wherein said inner bag portion and described outer bag portion links together, or described inner bag portion and described outer bag portion integrally formed.

4. multi-buffer air-packing devices according to claim 2, wherein said inner bag portion is suitable for being returned filling in described outer bag portion, and the inflation of described outer bag portion after, described inner bag portion is placed in described outer bag portion vacantly by the laminating of the inside face in described outer bag portion or described inner bag portion.

5. multi-buffer air-packing devices according to claim 2, wherein said inner bag portion plastic packaging is fixed in described outer bag portion.

6., according to described multi-buffer air-packing devices arbitrary in claim 2 to 5, wherein said inner bag portion can not inflate, and described outer bag portion is inflatable.

7. multi-buffer air-packing devices according to claim 6, wherein said inflation buffer body has a main channel, described charge valve forms the multiple free air diffusers to gas storage unit air inlet described in each, gas storage unit described in a part for wherein multiple described gas storage unit closes described free air diffuser or described main channel to form the described gas storage unit that can not inflate by least one row choke seam plastic packaging, thus form described inner bag portion, and gas storage unit described in another part forms described outer bag portion.

8. multi-buffer air-packing devices according to claim 6, wherein said inner bag portion is formed by the monofilm in described cameral mantle or described valve film or two-layer above film is formed.

9. according to described multi-buffer air-packing devices arbitrary in claim 2 to 5, wherein also comprise multiple exhaust seam, gas storage unit described in a part for multiple described gas storage unit reduces gas-storing capacity by the plastic packaging of described exhaust seam, and for the formation of described inner bag portion, the gas-storing capacity in wherein said inner bag portion is less than the gas-storing capacity in described outer bag portion.

10., according to described multi-buffer air-packing devices arbitrary in claim 2 to 5, wherein said inner bag portion is inflatable, and described outer bag portion can not inflate.

11. multi-buffer air-packing devices according to claim 7, wherein gas storage unit described in each in around shape and two ends, left and right through at least one row longitudinal plastic packaging seam, its plastic packaging is connected, described inner bag portion to be connected with side, the front and back plastic packaging in described outer bag portion through at least one row horizontal plastic packaging seam and to ensure that the inflation inlet of described main channel is not closed by top side and bottom side respectively.

12. multi-buffer air-packing devices according to claim 11, wherein also comprise at least two row cut-off seams, it is separately positioned on the both sides in described inner bag portion, and for make described connection with wrapping of piece be limited in described cut-off seam between and keep separately with described outer bag portion.

13. multi-buffer air-packing devices according to claim 12, wherein the described cut-off of each row is stitched inclined extension or extends longitudinally.

14. multi-buffer air-packing devices according to claim 11, wherein the described horizontal plastic packaging of bottom side sew be arranged on bottom side adjacent two described gas storage unit between, to make the one or more reinforcement buffer cells becoming described isolated packing bag at the one or more described gas storage unit in the outside of described horizontal plastic packaging seam.

15. multi-buffer air-packing devices according to claim 6, wherein multiple described gas storage unit is through being bent to form multiple sidewall, the left and right sides wall of wherein said isolated packing bag is arranged inclinedly, thus strengthens the side cushion characteristic of described isolated packing bag.

16. multi-buffer air-packing devices according to claim 1, wherein gas storage unit described in each transversely arranges and surrounds into ring-type for the described isolated packing bag of formation, wherein multiple described gas storage unit is through being bent to form multiple sidewall, the left and right sides wall of wherein said isolated packing bag is arranged inclinedly, thus strengthens the side cushion characteristic of described isolated packing bag.

17. multi-buffer air-packing devices according to claim 16, wherein gas storage unit described in each in around shape and two ends, left and right through at least one row longitudinal plastic packaging seam, its plastic packaging is connected, side, front and back plastic packaging to connect through the horizontal plastic packaging seam of at least one row and ensures that the inflation inlet of main channel is not closed by bottom side.

18. multi-buffer air-packing devices according to claim 17, wherein multiple described sidewall comprises the left front sidewall being positioned at described longitudinal plastic packaging seam both sides, one right front sidewall, described left and right sidewall, and a rear wall, the length of the holistic front side wall that wherein said left and right front side wall is formed is less than the length of described rear wall, extends obliquely respectively between described front side wall and described rear wall to make described left and right sidewall.

19. multi-buffer air-packing devices according to claim 17 or 18, wherein the described horizontal plastic packaging of bottom side sew be arranged on bottom side adjacent two described gas storage unit between, to make the one or more reinforcement buffer cells becoming described isolated packing bag at the one or more described gas storage unit in the outside of described horizontal plastic packaging seam.