CN211672562U

CN211672562U - Double-layer protective air bag structure

Info

Publication number: CN211672562U
Application number: CN201921780791.9U
Authority: CN
Inventors: 宋龙海
Original assignee: Suzhou Yidaibao Intelligent Technology Co ltd
Current assignee: Suzhou Yidaibao Intelligent Technology Co ltd
Priority date: 2019-10-22
Filing date: 2019-10-22
Publication date: 2020-10-16
Anticipated expiration: 2029-10-22

Abstract

The utility model discloses a double-deck protection gasbag structure, including inner bag and outer bag, the inner bag sets up in the outer bag, and the inner bag is made by elastomer film material, and the outer bag is made by fabric material, and the inflation size of outer bag is less than the inflation size of inner bag. The inner bag has elasticity and can inflate the inflation, because the inflation size of outer bag is less than the inflation size of inner bag, guarantee that the inner bag can prop up outer bag, and when the inflation reaches the limit of outer bag, the unable continuation inflation of inner bag forms the restriction to the inner bag, outer bag also provides the support for the inner bag simultaneously, when guaranteeing to receive sudden impact, the inner bag can not be damaged, and can not be flattened and touch to the ground, outer bag can antifriction simultaneously, provide all-round protection for the inner bag.

Description

Double-layer protective air bag structure

Technical Field

The utility model relates to a protection gasbag technical field, concretely relates to double-deck protection gasbag structure.

Background

The protective clothing is the essential nursing article when motion in daily life, and during the motion, because the joint atress is great, the joint is injured easily. There are many protective equipment in the existing market, and the most is single fabric fibre, does not have too big help to receiving the protection of solid striking, especially is useless under high-speed motion, for improving the buffering, proposes to increase the gasbag in the protective equipment among the prior art, nevertheless because the gasbag adopts soft materials preparation more, is favorable to inflating rapidly on the one hand, on the other hand in order to guarantee to have high gas tightness to cause the gasbag antifriction power less than, the gasbag is easy damaged when the motion slides, and the protecting effect is not good.

Disclosure of Invention

The to-be-solved technical problem of the utility model is to provide a can increase the collision buffering, effectively improve the double-deck protection gasbag structure of anti friction intensity.

In order to solve the technical problem, the utility model provides a double-deck protection gasbag structure, including inner bag and outer bag, the inner bag sets up in the outer bag, the inner bag is made by elastomer film material, the outer bag is made by fabric material, the inflation size of outer bag is less than the inflation size of inner bag. The inner bag has elasticity and can inflate the inflation, because the inflation size of outer bag is less than the inflation size of inner bag, guarantee that the inner bag can prop up outer bag, and when the inflation reaches the limit of outer bag, the unable continuation inflation of inner bag forms the restriction to the inner bag, outer bag also provides the support for the inner bag simultaneously, when guaranteeing to receive sudden impact, the inner bag can not be damaged, and can not be flattened and touch to the ground, outer bag can antifriction simultaneously, provide all-round protection for the inner bag.

Furthermore, the natural size of the inner bag is smaller than that of the outer bag, the natural size is the size of the air bag in an uninflated state, the inner bag is conveniently arranged in the outer bag at the moment, the outer bag cannot be broken by the inner bag during working, the inner bag after inflation cannot have wrinkles, and the service life of the air bag is prolonged.

Preferably, the natural size of the inner bladder is slightly smaller than the natural size of the outer bladder. The inner bag is prevented from being damaged directly when being extruded by external force because the inner bag is too small to be inflated to completely expand the outer bag or the inner bag reaches the expansion limit of the inner bag when expanding the outer bag.

Further, the inner bag is formed by sealing and jointing the periphery of the thin film. So that the inner bag can be formed into a desired shape and the sealing of the inner bag is ensured.

Furthermore, the periphery of the inner bag is sealed in a heat seal, cold seal or welding mode. The two layers of materials of the inner bag can be welded by heat seal or welding, the sealing performance of the joint of the two layers of materials is ensured, and the two layers of materials are jointed together by cold seal in a gluing mode and the like at normal temperature.

Furthermore, the periphery of the inner bag is connected with the outer bag. The inner bag is prevented from being folded and not convenient to inflate when being stored, or all parts are staggered and can not be matched with the outer bag when the shape of the inner bag is irregular.

Furthermore, the periphery of the inner bag is fixedly connected with the outer bag through sewing, the outer bag needs to limit the inner bag, the pressure of the inner bag on the outer bag is high after the inner bag is inflated, the connection strength can be guaranteed through sewing, and the air leakage is easy to occur at the sewing position, so that the periphery of the inner bag needs to be in sealing joint at the moment.

Further, the inner bag is a TPU or PVC or PE or PA film. The material is frivolous, is favorable to wearing, and TPU, PVC, PE, PA material all have outstanding high tension, tough and ageing-resistant characteristic, according to the different usage of inner bag, when filling different tolerance to inner bag, inner bag can provide different tension.

Furthermore, the outer bag is made of nylon, chemical fiber or sateen fabric, the materials are all suitable for wearing, the wear resistance is good, and the integrity of the protective air bag can be guaranteed during impact sliding.

Furthermore, be provided with the foaming material piece in the inner bag, foaming material shock attenuation nature and resilience performance are excellent, can provide the buffering with inner bag combined action when the gasbag receives the extrusion, increase the shock-absorbing capacity of protection gasbag.

The utility model discloses a beneficial effect that double-deck protection gasbag structure compares with prior art is, through setting up the different bilayer structure of expansibility for the outer bag can form restriction and protection to the inner bag, thereby increases protection gasbag striking buffer capacity, effectively improves anti friction intensity, is suitable for the human body to dress, and the protecting effect is better.

Drawings

Fig. 1 is a schematic view of an overall structure of an embodiment of the present invention;

FIG. 2 is a schematic view of the overall structure of the second embodiment of the present invention;

FIG. 3 is a sectional view taken along line A-A in a non-operating state of a second embodiment of the present invention;

FIG. 4 is a schematic diagram of a third embodiment of the present invention;

fig. 5 is a sectional view of the working state of the present invention.

Detailed Description

The present invention is further described with reference to the following drawings and specific embodiments so that those skilled in the art can better understand the present invention and can implement the present invention, but the embodiments are not to be construed as limiting the present invention.

Referring to fig. 1, fig. 2 and fig. 3, for the utility model discloses a double-deck protection gasbag structure's an overall structure schematic diagram of embodiment, protection gasbag 10 includes inner bag 11 and outer bag 12, inner bag 11 sets up in outer bag 12, inner bag 11 is made for integrated into one piece for aerify, the leakproofness is good, can bear certain atmospheric pressure, outer bag 12 structural strength is big, can bear with external friction and inside pressure by force, thereby effectively improve anti friction and the anti collision strength to the external world. The structure of the single outer bag 12 cannot guarantee the sealing performance while guaranteeing the strength, and the excessively thick and heavy structure of the outer bag 12 is not beneficial to wearing, so in the embodiment, the inner bag 11 is made of an elastomer film material, the outer bag 12 is made of a fabric material, the fabric is formed by fine flexible objects through crossing, winding and connecting, and the outer bag has stable shape and specific mechanical properties and can provide support and protection for the film. The expanded size of the outer bag 12 is smaller than the expanded size of the inner bag 11. The back inflation is aerifyd owing to self elasticity to interior bag 11, and the inflation size of outer bag 12 is less than the inflation size of interior bag 11, therefore interior bag 11 can prop up outer bag 12, when the limit of outer bag 12 is reached in the inflation of interior bag 11, because the unable continuation inflation of bag 11 in the restriction of outer bag 12 for interior bag 11 can not the overexpansion, and because the parcel of outer bag 12 guarantees that each part inflation degree of interior bag 11 is even, the swell phenomenon can not appear. At this time, the outer bag 12 and the inner bag 11 are attached, the outer bag 12 becomes hard due to uniform compression, support is provided for the inner bag 11, and when the protective air bag is compressed, the inner bag 11 and the outer bag 12 bear pressure together, thereby ensuring that sufficient buffering is provided. Furthermore, because of the limitation of the outer bag 12, when the inner bag 11 is pressed, the inner bag 11 in the pressed area can not continue to expand outwards, so that the pressure is transmitted to the outer bag 12, and the pressure is dispersed around by the outer bag 12, so that the extruded part of the inner bag 11 can not be over-expanded or burst, the gas in the pressed area is completely emptied, the human body touches the ground, and the air layer is always buffered in the air bag between the human body and the ground, thereby providing enough protection for the human body. Meanwhile, after the air bag completely offsets impact force, the inner bag 11 rebounds reversely due to the elasticity of the inner bag 11, so that sufficient buffering is provided for a human body.

In this embodiment, in order to facilitate the disposition of the inner bag 11 within the outer bag 12 and to ensure that the inner bag 11 within the outer bag 12 can be flattened without wrinkles, the natural size of the inner bag 11 is smaller than the natural size of the outer bag 12. The natural size in this embodiment is the size of the airbag in each direction in the uninflated natural state, and under this condition, the expansion size of the outer bag 12 is not exceeded when the inner bag 11 is completely expanded, that is, the outer bag 12 is not broken by the normal inflation of the inner bag 11, and the inflated inner bag 11 does not have wrinkles, so that the phenomenon that the wrinkles are easily broken due to extrusion and friction during operation is prevented, and the service life of the airbag is prolonged. Further, the natural size of the inner bag 11 is slightly smaller than the natural size of the outer bag 12. If the size of the inner bag 11 is too small, the inflated inner bag 11 cannot completely expand the outer bag 12, or the inner bag 11 reaches its expansion limit when expanding the outer bag 12, at this time, the outer bag 12 cannot support and protect the inner bag 11, and when being extruded by an external force, the inner bag 11 is directly damaged beyond the expansion limit, and the purpose of providing buffer protection cannot be achieved.

Referring to fig. 2, which is a schematic structural view of an embodiment of the present invention, in this embodiment, the inner bag 11 is formed by sealing and joining the periphery of the film. The inner bag 11 is manufactured by sealing and combining the periphery of the film, so that the inner bag 11 can be manufactured into a required shape while the sealing of the inner bag 11 is ensured. In order to ensure the tightness of the inner bag 11, the periphery of the inner bag 11 is sealed in a heat sealing, cold sealing or welding mode. The two layers of materials of the inner bag 11 can be welded by heat seal or welding, so that no air leakage gap exists, the sealing performance of the joint of the two layers of materials is ensured, and the cold seal is realized by tightly connecting the two layers of materials together at normal temperature by adopting gluing and other modes, so that the sealing of the inner bag 11 is ensured.

Referring to fig. 3, the inner bag 11 is connected to the outer bag 12 at the periphery thereof in order to prevent the inner bag 11 from being folded, not easily inflated, and not folded up, or being misaligned so as not to be matched with the outer bag 12 when the inner bag 11 is irregularly shaped. Specifically, the inner bag 11 and the outer bag 12 may be joined by bonding or the like, and the present invention is applicable to both the integrally molded inner bag 11 and the hermetically joined inner bag 11. Preferably, since the inner bag 11 and the outer bag 12 are inflated, in order to ensure the strength of the connection between the two, in this embodiment, the periphery of the inner bag 11 and the outer bag 12 are fixedly connected by sewing, but the sewing position is prone to air leakage, so that the periphery of the inner bag 11 needs to be hermetically joined.

Further, when the inflatable air bag is applied to occasions with large impact force, in order to ensure the air tightness of the inner bag 11, the inner bag 11 is made of a TPU film, the outer bag 12 is made of a nylon fabric, and the TPU film is high in tightness and good in expansion performance. In the case of a large impact force, the inner bag 11 needs to have enough tension to instantaneously disperse pressure because the air bag is pressed at the moment of being pressed, and the TPU film has excellent characteristics of high tension, high tensile force, toughness and aging resistance, thereby meeting the requirements of the case. The outer bag 12 also needs to have sufficient strength at this time to prevent the inner bag 11 from instantaneously inflating to burst the outer bag 12, and to ensure that the outer bag 12 provides the inner bag 11 with sufficient restraint to prevent the inner bag 11 from being excessively inflated to break. Therefore, in the present embodiment, the outer bag 12 is made of a nylon fabric, which has high abrasion resistance and high strength, and satisfies the restriction strength for the inner bag 11 in this case.

In other embodiments of the present invention, the inner bag 11 can also be made of PVC, PE or PA film, and the outer bag 12 can also be made of chemical fiber or satin fabric, on occasions where the air bag is subjected to different impact forces. According to the inner bags 11 made of different materials, different air volumes can be filled, so that the inner bags 11 can provide different tensions to meet requirements, meanwhile, the chemical fiber or satin fabric outer bags 12 with corresponding strength are matched, and cost can be saved by customizing different purposes. Meanwhile, nylon, chemical fiber or sateen fabric are all light and suitable for wearing, and are suitable for human body protection protectors.

Referring to fig. 4, for the third structural schematic diagram of the embodiment of the present invention, in this embodiment, be provided with the foam material block 13 in the inner bag 11, the foam material block 13 shock attenuation and resilience performance are excellent, can provide the buffering with inner bag 11 combined action when the gasbag is extruded, increase the shock-absorbing performance of protection gasbag 10, because the foam material block 13 is located inside inner bag 11, the gasbag is extruded when being impacted and the position can not touch to the ground owing to there is the separation of foam material block 13, further protect human safety.

Referring to fig. 5, in the first operating mode of the utility model, utilize outside inflation equipment to inflate the inner bag, the inner bag struts the outer bag, because the inflation size of outer bag is less than the inflation size of inner bag, the outer bag is closely laminated in the outer bag by strutting the back completely, the inner bag provides the support simultaneously, guarantee the buffering effect of protection gasbag, and because the outer bag stops to the inner bag, the inner bag can not form the swell at certain part, the outer bag is because antifriction performance is strong, thereby receive the friction also can not be damaged when the protection, guarantee the protecting effect.

The utility model discloses an in another kind of working form, the protection gasbag after will aerifing directly makes up in the clothes, the outer bag protects and provides the support to the inner bag, prevent simultaneously that the inner bag from receiving the excessive tympanites in extrusion rear portion position, foaming material and inner bag together provide the buffering, prevent through double-deck buffering that the impact force is too big to receive the extrusion part directly to touch to the earth, setting through foaming material, make gasbag thickness can reduce, thereby the gasbag can not too bloated when making up in the clothing, cause and wear the discomfort.

The above-mentioned embodiments are merely preferred embodiments for fully illustrating the present invention, and the scope of the present invention is not limited thereto. Equivalent substitutes or changes made by the technical personnel in the technical field on the basis of the utility model are all within the protection scope of the utility model. The protection scope of the present invention is subject to the claims.

Claims

1. A double-layered protective air bag structure comprising an inner bag and an outer bag, said inner bag being disposed within said outer bag, said inner bag being made of an elastomeric film material, said outer bag being made of a fabric material, the inflated size of said outer bag being less than the inflated size of said inner bag.

2. A double-layered protective air bag structure as defined in claim 1, wherein a natural size of said inner bag is smaller than a natural size of said outer bag.

3. A double-layered protective air-bag structure according to claim 1 wherein said inner bag is formed by a film sealed around the film.

4. A double-layered protective air bag structure according to claim 3 wherein the periphery of said inner bag is sealed by heat sealing, cold sealing or welding.

5. The double-layered protective airbag structure according to claim 1, wherein the inner bag is connected to the outer bag at the periphery thereof.

6. The double-layered protective airbag structure according to claim 5, wherein the periphery of the inner bag is fixedly connected with the outer bag by sewing, and the periphery of the inner bag is hermetically joined.

7. A double-layered protective air bag structure as claimed in claim 1, wherein said inner bag is a TPU or PVC or PE or PA film.

8. The double-layered protective airbag structure according to claim 1, wherein the outer bag is nylon or chemical fiber or sateen fabric.

9. The double-deck protective air bag structure of claim 1 wherein a block of foam material is disposed within said inner bag.