A new type of inflatable airbag

Abstract

The utility model relates to a novel inflatable air bag, including air bag main part, face cloth, a plurality of main pull belt, air bag main part includes top surface soft PVC film, bottom surface soft PVC film and side wall PVC film, face cloth includes pasting in each face top surface cloth, bottom surface cloth and side surface cloth of air bag main part, main pull belt includes pull belt cloth, top surface pull belt film, bottom surface pull belt film, top surface pull belt film top surface is fused with top surface soft PVC film bottom surface, and top surface pull belt film bottom surface is equipped with first mucilage layer, and pull belt cloth top edge is bonded in first mucilage layer, bottom surface pull belt film bottom surface is fused with bottom surface soft PVC film top surface, and bottom surface pull belt film top surface is equipped with second mucilage layer, and pull belt cloth bottom edge is bonded in second mucilage layer. The utility model relates to a novel inflatable air bag, uses PVC film and cloth to make through mucilage technology and high frequency fusion process, utilizes the sealing performance of soft PVC film to make air bag, and the whole air bag does not deform through surface pasting cloth and keeps long -time use.

Description

Technical Field

[0001] This utility model relates to the field of airbags, and in particular to a novel inflatable airbag. Background Technology

[0002] Existing inflatable airbags are generally made of soft plastic film. Soft plastic film has high extensibility. After a period of use, the airbag will expand due to the expansion of the soft plastic, and the internal air pressure of the airbag will decrease, thus reducing the strength of the inflatable airbag. Utility Model Content

[0003] To solve the above-mentioned technical problems, this utility model provides a novel inflatable airbag, which is made of PVC film and fabric through adhesive bonding and high-frequency welding processes. The airbag is made by utilizing the sealing properties of the soft PVC film, and the fabric is pasted on the surface to ensure that the entire airbag does not deform even after long-term use.

[0004] The technical solution adopted by this utility model to solve its technical problem is: a novel inflatable airbag, comprising an airbag body, a face fabric disposed on the outer surface of the airbag body, and a plurality of main straps disposed inside the airbag body; the airbag body comprises a top soft PVC film, a bottom soft PVC film, and sidewall PVC films; the top soft PVC film is sealed and fused around the top of the sidewall PVC films, and the bottom soft PVC film is sealed and fused around the bottom of the sidewall PVC films; the face fabric includes a top... The system comprises: a face fabric, a bottom fabric adhered to the bottom surface of a soft PVC film, and a side fabric adhered to the outer surface of a PVC film on the side wall; the main pull strap includes a pull strap fabric, a top pull strap film, and a bottom pull strap film; the top surface of the top pull strap film is fused to the bottom surface of the soft PVC film, and a first adhesive layer is provided on the bottom surface of the top pull strap film, with the top edge of the pull strap fabric adhered to the first adhesive layer; the bottom surface of the bottom pull strap film is fused to the top surface of the soft PVC film, and a second adhesive layer is provided on the top surface of the bottom pull strap film, with the bottom edge of the pull strap fabric adhered to the second adhesive layer.

[0005] Furthermore, the top and bottom pull belt films are not directly connected, and the total area of ​​the top and bottom pull belt films is less than the total area of ​​the pull belt fabric.

[0006] Furthermore, inside the airbag body, diagonal straps are provided between the top soft PVC film and the side wall PVC film, and between the bottom soft PVC film and the side wall PVC film; the diagonal straps include an upper diagonal strap film and a lower diagonal strap film; one end of the upper diagonal strap film is fused to the area near the edge of the bottom surface of the top soft PVC film, and the other end is fused to the area near the top edge of the inner surface of the side wall PVC film; one end of the lower diagonal strap film is fused to the area near the edge of the top surface of the bottom soft PVC film, and the other end is fused to the area near the bottom edge of the inner surface of the side wall PVC film.

[0007] Furthermore, an inflation / deflation valve is also installed on the PVC membrane of the side wall of the airbag body.

[0008] The beneficial effects of this utility model are as follows: This utility model provides a novel inflatable airbag, which is made of PVC film and fabric through adhesive bonding and high-frequency welding processes. The airbag is made by utilizing the sealing performance of the soft PVC film, and the fabric is pasted on the surface to ensure that the entire airbag does not deform even after long-term use. Attached Figure Description

[0009] Figure 1 A schematic diagram of a novel inflatable airbag as an embodiment;

[0010] Figure 2 for Figure 1 A magnified view of a portion of region A;

[0011] Figure 3 for Figure 1 A magnified view of a portion of region B;

[0012] Among them, 1-airbag body, 2-face fabric, 3-main tether strap, 4-diagonal tether strap, 5-inflation / depression valve, 11-top soft PVC film, 12-bottom soft PVC film, 13-side wall PVC film, 21-top fabric, 22-bottom fabric, 23-side fabric, 31-tether strap fabric, 32-top tether strap film, 33-bottom tether strap film, 34-first adhesive layer, 35-second adhesive layer, 41-upper diagonal tether strap film, 42-lower diagonal tether strap film. Detailed Implementation

[0013] To enhance understanding of this utility model, it will be described in further detail below with reference to the accompanying drawings and embodiments. These embodiments are only used to explain this utility model and do not limit the scope of protection of this utility model.

[0014] Example

[0015] Please refer to Figures 1 to 3As shown, this embodiment provides a novel inflatable airbag, including an airbag body 1, a face fabric 2 disposed on the outer surface of the airbag body 1, and a plurality of main pull straps 3 disposed inside the airbag body 1; the airbag body 1 includes a top soft PVC film 11, a bottom soft PVC film 12, and side wall PVC films 13; the top soft PVC film 11 is sealed and fused around the top of the side wall PVC film 13, and the bottom soft PVC film 12 is sealed and fused around the bottom of the side wall PVC film 13; the face fabric 2 includes a top fabric 21 adhered to the top surface of the top soft PVC film 11, and a bottom soft PVC film 21 adhered to the bottom soft PVC film 13. The bottom surface fabric 22 of the C membrane 12 and the side surface fabric 23 are attached to the outer side of the side wall PVC membrane 13; the main pull strap 3 includes a pull strap fabric 31, a top pull strap film 32, and a bottom pull strap film 33; the top surface of the top pull strap film 32 is fused to the bottom surface of the top soft PVC membrane 11, and a first adhesive layer 34 is provided on the bottom surface of the top pull strap film 32, and the top edge of the pull strap fabric 31 is adhered to the first adhesive layer 34; the bottom surface of the bottom pull strap film 33 is fused to the top surface of the bottom soft PVC membrane 12, and a second adhesive layer 35 is provided on the top surface of the bottom pull strap film 33, and the bottom edge of the pull strap fabric 31 is adhered to the second adhesive layer 35.

[0016] In this embodiment, the top surface tension film 32 and the bottom surface tension film 33 are not directly connected, and the total area of ​​the top surface tension film 32 and the bottom surface tension film 33 is smaller than the total area of ​​the tension fabric 31.

[0017] Please refer to the following: Figure 1 As shown, inside the airbag body 1, there are also diagonal straps 4 located between the top soft PVC film 11 and the side wall PVC film 13, and between the bottom soft PVC film 12 and the side wall PVC film 13; the diagonal straps 4 include an upper diagonal strap film 41 and a lower diagonal strap film 42; one end of the upper diagonal strap film 41 is fused to the area near the edge of the bottom surface of the top soft PVC film 11, and the other end is fused to the area near the top edge of the inner surface of the side wall PVC film 13; one end of the lower diagonal strap film 42 is fused to the area near the edge of the top surface of the bottom soft PVC film 12, and the other end is fused to the area near the bottom edge of the inner surface of the side wall PVC film 13.

[0018] Please refer to the following: Figure 1 As shown, an inflation / deflation valve 5 is also installed on the PVC membrane 13 on the side wall of the airbag body 1.

[0019] This embodiment presents a novel inflatable airbag. The airbag body is formed by welding a soft PVC film, ensuring adequate sealing performance. The main pull strap is made of fabric, ensuring its strength and shaping effect on the airbag body. A surface pull strap film is welded to the airbag body in the area corresponding to the pull strap fabric. The pull strap fabric is bonded to the surface pull strap film through an adhesive layer, ensuring a reliable connection between the pull strap fabric and the airbag body. The design of the pull strap fabric and surface pull strap film ensures high strength while being lower in cost, simpler to manufacture, and more efficient than pull straps made of PVC film sewn with mesh or polyester thread. The use of the surface fabric and pull strap fabric ensures that the airbag body does not deform even after long-term use.

[0020] The above embodiments should not limit the present invention in any way. All technical solutions obtained by equivalent substitution or equivalent conversion fall within the protection scope of the present invention.

Claims

1. A novel inflatable airbag, characterized in that: The airbag includes an airbag body (1), a face fabric (2) disposed on the outer surface of the airbag body (1), and several main straps (3) disposed inside the airbag body (1); the airbag body (1) includes a top soft PVC film (11), a bottom soft PVC film (12), and a side wall PVC film (13); the top soft PVC film (11) is sealed and fused around the top of the side wall PVC film (13), and the bottom soft PVC film (12) is sealed and fused around the bottom of the side wall PVC film (13); the face fabric (2) includes a top fabric (21) pasted on the top surface of the top soft PVC film (11) and a bottom fabric (22) pasted on the bottom surface of the bottom soft PVC film (12). ), and the side fabric (23) is pasted on the outer side of the sidewall PVC film (13); the main pull strap (3) includes a pull strap fabric (31), a top pull strap film (32), and a bottom pull strap film (33); the top surface of the top pull strap film (32) is fused to the bottom surface of the top soft PVC film (11), and a first adhesive layer (34) is provided on the bottom surface of the top pull strap film (32), and the top edge of the pull strap fabric (31) is bonded to the first adhesive layer (34); the bottom surface of the bottom pull strap film (33) is fused to the top surface of the bottom soft PVC film (12), and a second adhesive layer (35) is provided on the top surface of the bottom pull strap film (33), and the bottom edge of the pull strap fabric (31) is bonded to the second adhesive layer (35).

2. The novel inflatable airbag according to claim 1, characterized in that: The top surface tension film (32) and the bottom surface tension film (33) are not directly connected, and the total area of ​​the top surface tension film (32) and the bottom surface tension film (33) is smaller than the total area of ​​the tension fabric (31).

3. The novel inflatable airbag according to claim 1, characterized in that: Inside the airbag body (1), there are also diagonal straps (4) located between the top soft PVC film (11) and the side wall PVC film (13), and between the bottom soft PVC film (12) and the side wall PVC film (13). The diagonal straps (4) include an upper diagonal strap film (41) and a lower diagonal strap film (42). One end of the upper diagonal strap film (41) is fused to the bottom surface of the top soft PVC film (11) near the edge, and the other end is fused to the inner surface of the side wall PVC film (13) near the top edge. One end of the lower diagonal strap film (42) is fused to the top surface of the bottom soft PVC film (12) near the edge, and the other end is fused to the inner surface of the side wall PVC film (13) near the bottom edge.

4. A novel inflatable airbag according to any one of claims 1-3, characterized in that: An inflation / deflation valve (5) is also installed on the PVC membrane (13) on the side wall of the airbag body (1).

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