A multi-intersecting structure airbag, a frame structure airbag and a forming method

Abstract

The present invention discloses a multi-intersecting structure airbag, a frame structure airbag and a forming method, wherein the multi-intersecting structure airbag comprises a main body airbag, a first main body airbag and a second main body airbag, wherein the first main body airbag and the second main body airbag are connected to the same cross-sectional position of the main body airbag. The present invention can meet the design and processing of most structural airbags; at the same time, the multi-bag intersecting structure can reduce the amount of materials used, reduce the weight and packaging volume of the structural airbag; improve the strength of the structural airbag, and can strengthen the overall strength of the inflated part, thereby improving the reliability of the product.

Description

Technical Field

[0001] The invention specifically relates to an airbag with multiple intersecting structures, an airbag with a frame structure and a forming method. Background Art

[0002] When antennas, radars, beacons, sonars and other equipment are working, structural support parts are needed to ensure that they achieve a certain structural accuracy, so that the above equipment can work normally and realize information exchange. Structural airbags with light weight, small packaging volume, and simple and convenient deployment methods can be used as structural support parts and accuracy assurance mechanisms for equipment such as antennas, radars, beacons and sonars.

[0003] With the expansion of application scenarios and equipment of structural airbags, the requirements for structural accuracy are further improved. The shape of structural airbags is more complex, involving airbags of multiple diameters intersecting at arbitrary angles. The complexity of the shape of structural airbags makes it difficult to form structural airbags. The forming of multiple intersecting structural airbags needs to be solved. Summary of the invention

[0004] The purpose of the present invention is to provide a multi-intersecting structure airbag, a frame structure airbag and a molding method, which can meet the design and processing requirements of most structural airbags; at the same time, the multi-bag intersecting structure can reduce the material usage, reduce the weight and packaging volume of the structural airbag; improve the strength of the structural airbag, and can strengthen the overall strength after inflation, thereby improving the reliability of the product.

[0005] The technical solution adopted by the present invention is: A multi-intersecting structure airbag comprises a main body airbag, a first main body airbag and a second main body airbag, wherein the first main body airbag and the second main body airbag are connected to the same cross-sectional position of the main body airbag.

[0006] Preferably, the first main body airbag and the second main body airbag are both perpendicular to the main body airbag.

[0007] A frame structure airbag comprises an upper frame airbag, a lower frame airbag and a plurality of multi-intersecting structure airbags as described above which are arranged up and down, wherein the upper frame is connected to the lower frame via the multi-intersecting structure airbags.

[0008] Preferably, the number of the multiple intersecting structure airbags is eight, which are divided into two groups, each with four. One group is distributed at the four corners of the upper frame airbag as the upper multiple intersecting structure airbags, and the other group is distributed at the four corners of the lower frame airbag as the lower multiple intersecting structure airbags. The four upper multiple intersecting structure airbags are arranged in one-to-one correspondence with the four lower multiple intersecting structure airbags, the upper multiple intersecting structure airbags are arranged above the corresponding lower multiple intersecting structure airbags, and the upper multiple intersecting structure airbags are connected to the corresponding lower multiple intersecting structure airbags through vertical straight section airbags; The upper frame airbag and the lower frame airbag each include two transverse straight airbags and two longitudinal straight airbags. The two ends of one transverse straight airbag are respectively connected to one end of the two longitudinal straight airbags through two multiple intersecting structure airbags, and the two ends of the other transverse straight airbag are respectively connected to the other end of the two longitudinal straight airbags through another two multiple intersecting structure airbags.

[0009] Preferably, cross-shaped airbags are arranged in both the upper frame airbag and the lower frame airbag, and the four corners of the cross-shaped airbag are respectively connected to the four corners of the corresponding upper frame airbag or the corresponding lower frame airbag.

[0010] Preferably, the cross-shaped airbag includes four oblique straight section airbags and a hollow shaft seat, the four oblique straight section airbags are distributed circumferentially along the hollow shaft seat, and the two ends of the oblique straight section airbags are respectively connected to the hollow shaft seat and the corresponding multiple intersecting structure airbags.

[0011] A method for forming an airbag with the multiple intersecting structures as described above comprises the following steps: Step 1, connecting the inner portion of one end of the first main body panel and the inner portion of one end of the second main body panel by bonding or heat sealing; Step 2, fixing the outer part of one end of the first main body panel and the outer part of one end of the second main body panel after bonding or heat sealing to the main airbag panel by ultrasonic welding or heat sealing, and heat sealing or bonding the first main body panel, the second main body panel and the main airbag panel at the ultrasonic welding or heat sealing position, so that the front and back sides of the ultrasonic welding or heat sealing position are covered with adhesive strips; Step 3, the first main body piece, the second main body piece and the main airbag piece are respectively assembled by heat sealing to form the first main body airbag, the second main body airbag and the main airbag respectively.

[0012] Preferably, the first main body panel, the second main body panel and the main airbag panel are annular panels.

[0013] Preferably, the first main body panel, the second main body panel and the main airbag panel are made of the same material; and the adhesive strip is made of the same material as the main airbag panel.

[0014] Preferably, in step 1, one end of the first main body panel is bonded or heat-sealed to one end of the second main body panel through an outer adhesive strip and an inner adhesive strip; the inner adhesive strip and the outer adhesive strip are respectively arranged on the inner side and the outer side of the bonding or heat-sealing connection between the first main body panel and the second main body panel; In the step 2, the connection places between the main airbag panel and the first main panel and the second main panel are covered with an outer rubber strip and an inner rubber strip in sequence.

[0015] The beneficial effects of the present invention are: 1. The present invention can meet the design and processing requirements of most structural airbags by connecting multiple diameter airbags at will and forming them in one piece. At the same time, the multi-airbag intersecting structure can reduce the material consumption, reduce the weight and packaging volume of the structural airbags. In addition, the multi-airbag intersecting structure can solve the problem of local structural stress concentration, improve the strength of the structural airbag, and strengthen the overall strength and installation accuracy of the inflated part, improve the reliability of the product, and can be widely promoted and applied to other structural airbags and other ship and bag-like bearing structures, and can be mass-produced and equipped for use by troops, with considerable economic benefits. At the same time, it can be promoted to other civilian airbag products, with broad application prospects.

[0016] 2. The frame structure airbag formed by multiple intersecting structural airbags can be used as a structural support to ensure that it achieves a certain structural accuracy. The structural airbag with light weight, small packaging volume and simple and convenient deployment method can be used as a structural support and accuracy assurance mechanism for equipment such as antennas, radars, beacons and sonars.

[0017] 3. The molding method of the present invention can realize airbags of multiple diameters, which can be connected at any angle, solve the limitation problem of airbag design, and meet the design and processing of most structural airbags. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] Figure 1 Schematic diagram of the structure of the frame structure airbag in an embodiment of the present invention.

[0019] Figure 2 Schematic diagram of the structure of the multiple intersecting structure airbag in the embodiment of the present invention.

[0020] Figure 3 It is a cross-sectional view of an airbag with multiple intersecting structures in an embodiment of the present invention.

[0021] In the figure: 1-main airbag, 2-first main airbag, 3-second main airbag, 4-main airbag piece, 5-first main airbag piece, 6-second main airbag piece, 7-outer rubber strip, 8-inner rubber strip, 9-axle seat, 10-cross-shaped airbag, 11-transverse straight airbag, 12-longitudinal straight airbag, 13-vertical straight airbag, 14-multiple intersecting structure airbag. DETAILED DESCRIPTION

[0022] In order to make the purpose, technical solution and advantages of the present invention more clearly understood, the present invention is further described in detail below in conjunction with the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are only used to explain the present invention and are not used to limit the present invention.

[0023] In the description of the present invention, it should be understood that if the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inside", "outside", "clockwise", "counterclockwise" and the like are involved, the orientation or position relationship indicated is based on the orientation or position relationship shown in the drawings, which is only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as a limitation of the present invention. In addition, the terms "first" and "second" are only used for descriptive purposes, and cannot be understood as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Therefore, the features defined as "first" and "second" may explicitly or implicitly include one or more of the features. In the description of the present invention, the meaning of "multiple" is two or more, unless otherwise clearly and specifically defined.

[0024] In the description of the present invention, it should be noted that, unless otherwise clearly specified and limited, the terms "installed", "connected" and "connected" should be understood in a broad sense. For example, it can be a fixed connection, a detachable connection, or an integral connection. It can be a mechanical connection or an electrical connection. It can be directly connected or indirectly connected through an intermediate medium. It can be the internal connection of two elements or the interaction relationship between two elements. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0025] Example 1 A multiple intersecting structure airbag, such as Figure 2 and Figure 3 As shown, it includes a main body airbag 1, a first main body airbag 2 and a second main body airbag 3. The first main body airbag 2 and the second main body airbag 3 are connected to the same cross-sectional position of the main body airbag 1, which can enhance the overall strength of the inflated portion.

[0026] Furthermore, the first main body airbag 2 and the second main body airbag 3 are both perpendicular to the main body airbag 1 .

[0027] Example 2 A frame structure airbag is constructed based on Example 1.

[0028] A frame structure airbag, such as Figure 1 As shown, it includes an upper frame airbag, a lower frame airbag and a plurality of multi-intersecting structure airbags as described above, which are arranged up and down. The upper frame airbag is arranged above the lower frame airbag, and the upper frame is connected to the lower frame through the multi-intersecting structure airbags.

[0029] Furthermore, the number of the multiple intersecting structure airbags is eight, which are divided into two groups, each with four. One group is distributed at the four corners of the upper frame airbag as the upper multiple intersecting structure airbags, and the other group is distributed at the four corners of the lower frame airbag as the lower multiple intersecting structure airbags. The four upper multiple intersecting structure airbags are arranged one by one with the four lower multiple intersecting structure airbags, the upper multiple intersecting structure airbags are arranged above the corresponding lower multiple intersecting structure airbags, and the first main body airbag 2 of the upper multiple intersecting structure airbag is connected with the first main body airbag 2 of the corresponding lower multiple intersecting structure airbag through the vertical straight section airbag 13; The upper frame airbag includes two transverse straight airbags 11 and two longitudinal straight airbags 12, the two ends of one transverse straight airbag 11 are respectively connected to one end of the two longitudinal straight airbags 12 through two upper multiple intersecting structure airbags, and the two ends of another transverse straight airbag 11 are respectively connected to the other end of the two longitudinal straight airbags 12 through another two upper multiple intersecting structure airbags, wherein the two ends of the main body airbag 1 of the upper multiple intersecting structure airbag are respectively connected to the transverse straight airbag 11 and the longitudinal straight airbag 12 of the upper frame airbag; The lower frame airbag includes two transverse straight airbags 11 and two longitudinal straight airbags 12, the two ends of one transverse straight airbag 11 are connected to one end of the two longitudinal straight airbags 12 through two lower multiple intersecting structure airbags, and the two ends of another transverse straight airbag 11 are connected to the other end of the two longitudinal straight airbags 12 through another two lower multiple intersecting structure airbags, wherein the two ends of the main body airbag 1 of the lower multiple intersecting structure airbag are respectively connected to the transverse straight airbag 11 and the longitudinal straight airbag 12 of the lower frame airbag.

[0030] A plurality of vertical straight airbags 13 are distributed between the upper frame and the lower frame. The vertical straight airbags 13 can be vertical airbags perpendicular to the horizontal plane, or vertical airbags inclined at a certain angle to the horizontal plane.

[0031] Furthermore, both the upper frame airbag and the lower frame airbag are quadrilateral frame airbags, and cross-shaped airbags 10 are arranged inside the upper frame airbag and the lower frame airbag, and the four corners of the cross-shaped airbag 10 are respectively connected to the four corners of the corresponding upper frame airbag or the corresponding lower frame airbag.

[0032] Furthermore, the cross-shaped airbag 10 includes four oblique straight section airbags and a hollow shaft seat 9. The four oblique straight section airbags are distributed circumferentially along the hollow shaft seat 9. The two ends of the oblique straight section airbags are respectively connected to the hollow shaft seat 9 and the second main body airbag 3 of the corresponding multiple intersecting structure airbag; the hollow shaft seat 9 is used to install the support column.

[0033] Example 3 Prepare the molding method in Example 1.

[0034] A method for forming an airbag with the multiple intersecting structures as described above comprises the following steps: Step 1, connecting the inner part of one end of the first main body panel 5 and the inner part of one end of the second main body panel 6 by bonding or heat sealing; Step 2, fix the outer part of one end of the first main body panel 5 and the outer part of one end of the second main body panel 6 after bonding or heat sealing to the main airbag panel 4 by ultrasonic welding or heat sealing, and heat seal or bond the first main body panel 5, the second main body panel 6 and the main airbag panel 4 at the ultrasonic welding or heat sealing position, so that the front and back sides of the ultrasonic welding or heat sealing position are covered with adhesive strips; Step 3, the first main body piece 5, the second main body piece 6 and the main airbag piece 4 are respectively assembled by heat sealing to form the first main body airbag 2, the second main body airbag 3 and the main body airbag 1 respectively.

[0035] Furthermore, the first main body panel, the second main body panel and the main airbag panel are annular panels.

[0036] Furthermore, the first main body panel, the second main body panel and the main airbag panel are made of the same material; and the rubber strip is made of the same material as the main airbag panel.

[0037] Further, in the step 1, one end of the first main body panel 5 is bonded or heat-sealed to one end of the second main body panel 6 through the outer rubber strip 7 and the inner rubber strip 8; the inner rubber strip 8 and the outer rubber strip 7 are respectively arranged on the inner side and the outer side of the bonding or heat-sealing connection between the first main body panel 5 and the second main body panel 6; In the step 2, the connection between the main airbag panel 4 and the first main panel 5 and the second main panel 6 is covered with an outer rubber strip 7 and an inner rubber strip 8 in sequence.

[0038] In this method, the first main body panel 5, the second main body panel 6, the inner rubber strip 8 and the outer rubber strip 7 can be bonded, heat-sealed, ultrasonically welded or heat-sealed to the main airbag material carrier sheet 4.

[0039] Working principle of the present invention: The molding method is used to integrally mold the main body airbag 1 with the first main body airbag 2 and the second main body airbag 3, and comprises the following steps: Step 1, prepare the first main body piece 5, the second main body piece 6, the outer rubber strip 7, and the inner rubber strip 8, wherein the first and second main body pieces, the inner rubber strip and the outer rubber strip can be bonded, heat-sealed, ultrasonically welded or heat-sealed with the main body airbag material; Step 2: connect the first main body airbag 5 and the second main body airbag 6 by heat sealing or gluing using the outer rubber strip 7 and the inner rubber strip 8; Step 3, fix the bonded or heat-sealed first main body piece 5 and the second main body piece 6 on the main body airbag piece 4 by ultrasonic welding or heat sealing, and heat seal or bond the first main body piece 5, the second main body piece 6 and the main body airbag piece 4 at the ultrasonic welding or heat sealing position, so that the front and back sides of the ultrasonic welding or heat sealing position are covered with rubber strips; Step 4, complete the tube closing by heat sealing the first main body piece 5, the second main body piece 6 and the main body airbag piece 4 respectively.

[0040] It should be noted that, in this article, relational terms such as first and second, etc. are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Moreover, the terms "include", "comprise" or any other variants thereof are intended to cover non-exclusive inclusion, so that a process, method, article or device including a series of elements includes not only those elements, but also other elements not explicitly listed, or also includes elements inherent to such process, method, article or device.

[0041] It should be understood that those skilled in the art can make improvements or changes based on the above description, and all these improvements and changes should fall within the scope of protection of the appended claims of the present invention.

Claims

1. A multi-intersecting structure airbag, characterized in that: It comprises a main body airbag (1), a first main body airbag (2) and a second main body airbag (3), wherein the first main body airbag (2) and the second main body airbag (3) are connected to the main body airbag (1) at the same cross-sectional position.

2. The frame structure airbag according to claim 1, characterized in that: The first main body airbag (2) and the second main body airbag (3) are both perpendicular to the main body airbag (1).

3. A frame structure airbag, characterized in that: It comprises an upper frame airbag, a lower frame airbag and a plurality of multiple intersecting structure airbags as claimed in claim 1 which are arranged up and down, and the upper frame is connected with the lower frame through the multiple intersecting structure airbags.

4. The frame structure airbag according to claim 3, characterized in that: There are eight multiple intersecting structure airbags, which are divided into two groups, four in each group. One group is distributed at the four corners of the upper frame airbag as the upper multiple intersecting structure airbags, and the other group is distributed at the four corners of the lower frame airbag as the lower multiple intersecting structure airbags. The four upper multiple intersecting structure airbags are arranged in one-to-one correspondence with the four lower multiple intersecting structure airbags, the upper multiple intersecting structure airbags are arranged above the corresponding lower multiple intersecting structure airbags, and the upper multiple intersecting structure airbags are connected to the corresponding lower multiple intersecting structure airbags through vertical straight section airbags; The upper frame airbag and the lower frame airbag each include two transverse straight airbags and two longitudinal straight airbags. The two ends of one transverse straight airbag are respectively connected to one end of the two longitudinal straight airbags through two multiple intersecting structure airbags, and the two ends of the other transverse straight airbag are respectively connected to the other end of the two longitudinal straight airbags through another two multiple intersecting structure airbags.

5. The frame structure airbag according to claim 4, characterized in that: Cross-shaped airbags are arranged inside the upper frame airbag and the lower frame airbag, and the four corners of the cross-shaped airbag are respectively connected to the four corners of the corresponding upper frame airbag or the corresponding lower frame airbag.

6. The frame structure airbag according to claim 5, characterized in that: The cross-shaped airbag comprises four oblique straight section airbags and a hollow shaft seat. The four oblique straight section airbags are distributed circumferentially along the hollow shaft seat. Two ends of the oblique straight section airbags are respectively connected with the hollow shaft seat and corresponding multiple intersecting structure airbags.

7. A method for forming an airbag with multiple intersecting structures according to claim 1, characterized in that: The following steps are involved: Step 1, connecting the inner portion of one end of the first main body panel (5) and the inner portion of one end of the second main body panel (6) by bonding or heat sealing; Step 2, fixing the outer portion of one end of the first main body panel (5) and the outer portion of one end of the second main body panel (6) after bonding or heat sealing to the main airbag panel (4) by ultrasonic welding or heat sealing, and heat sealing or bonding the first main body panel (5), the second main body panel (6) and the main airbag panel (4) at the ultrasonic welding or heat sealing position, so that the front and back sides of the ultrasonic welding or heat sealing position are covered with adhesive strips; Step 3, the first main body cut piece (5), the second main body cut piece (6) and the main airbag cut piece (4) are respectively combined by heat sealing to form a first main body airbag (2), a second main body airbag (3) and a main body airbag (1).

8. The molding method according to claim 7, characterized in that: The first main body panel, the second main body panel and the main airbag panel are annular panels.

9. The molding method according to claim 7, characterized in that: The first main body cut piece, the second main body cut piece and the main airbag cut piece are made of the same material; the rubber strip is made of the same material as the main airbag cut piece.

10. The molding method according to claim 4, characterized in that: In the step 1, one end of the first main body panel (5) is bonded or heat-sealed to one end of the second main body panel (6) via an outer adhesive strip (7) and an inner adhesive strip (8); the inner adhesive strip 8 and the outer adhesive strip (7) are respectively arranged on the inner side and the outer side of the bonding or heat-sealing connection between the first main body panel (5) and the second main body panel (6); In the step 2, the connection points between the main airbag panel (4) and the first main panel (5) and the second main panel (6) are covered with an outer rubber strip (7) and an inner rubber strip (8) in sequence.

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