An airbag device capable of buffering, reducing load and providing stable floating

Abstract

The present invention discloses an airbag device capable of both buffering and load reduction, as well as stable floating. The airbag device comprises a buffered object, an airbag assembly, and an inflatable assembly. The airbag assembly is arranged on the bottom surface of the buffered object, and the inflatable assembly is disposed on the buffered object and connected to the airbag assembly. The present invention combines the dual functions of landing buffering and floating on water. When on water, it can automatically switch from a buffering and load reduction state to a stable floating state. It has stronger environmental adaptability and can be widely used in drone recovery, heavy equipment airdrops, and landing and recovery of aerospace vehicles, greatly expanding the environmental adaptability of the buffering and load reduction airbag.

Description

Technical Field

[0001] The present invention particularly relates to an air bag device capable of buffering, reducing load and stably floating. Background Art

[0002] Airbag protection technology is widely used in the fields of national defense and military, spacecraft landing and recovery, weapons and equipment and material airdrop, automobile airbags, etc. As the requirements for cushioning effects increase, airbags with richer functions, more complex structures and more reliable effects are attracting everyone's attention and research.

[0003] For personnel or some delicate, valuable, sensitive and dangerous equipment, the landing impact acceleration must be minimized and certain waterproof measures must be taken. Currently, domestic airbag systems can only adapt to a limited range of environments and working conditions, and only provide buffering and load reduction functions, without stable flotation. Summary of the Invention

[0004] The technical problem to be solved by the present invention is to provide an airbag device that can buffer, reduce load and stabilize floating, in response to the above-mentioned defects of the existing technology. It has the dual functions of landing buffering and floating on water. When on the water, it can realize automatic switching from the buffering and load reduction state to the stable floating state. It has stronger environmental adaptability and can be widely used in drone recovery, heavy equipment airdrop and landing recovery of aerospace vehicles, which can greatly expand the environmental adaptability of the buffering and load reduction airbag.

[0005] The technical solution adopted by the present invention to solve the above technical problems is:

[0006] An airbag device capable of buffering, reducing load and stably floating includes a buffered object, an airbag assembly and an inflation assembly. The airbag assembly is arranged on the bottom surface of the buffered object, and the inflation assembly is set on the buffered object and connected to the airbag assembly; the airbag assembly includes an airbag, and the airbag includes a main airbag and a secondary airbag. The secondary airbag is set on one side of the main airbag, and a constant-pressure exhaust device is provided on the bag body of the main airbag.

[0007] According to the above technical solution, the inflatable component is arranged on the bottom surface of the cushioned object, and the multiple airbag components are evenly distributed along the circumference of the inflatable component.

[0008] According to the above technical solution, the airbag assembly includes a cabin, a packaging assembly, and a rectification assembly. The cabin is arranged on the cushioned object, and the airbag is encapsulated in the cabin by the packaging assembly and the rectification assembly.

[0009] According to the above technical solution, the cabin is paved with carbon fiber composite materials and cured into shape through a high-temperature and high-pressure process.

[0010] According to the above technical solution, both the main airbag and the auxiliary airbag are composed of a bladder body. The air volume of the main airbag is larger than that of the auxiliary airbag, and the auxiliary airbag is arranged on the upper and outer side of the main airbag. According to the above technical solution, the bladder body of the airbag is composed of high-strength ester-coated fabric panels.

[0011] According to the above technical solution, a constant-pressure exhaust device is provided on the bag body of the main airbag.

[0012] According to the above technical solution, the packaging component is composed of a tightening component and a breaking rope, which is used to tighten, compress and shape the folded airbag to form a package.

[0013] According to the above technical solution, the rectification assembly consists of a rectification skin and breakable screws. The rectification skin covers the packaged airbag in the cabin, and the rectification skin is connected to the cabin through the breakable screws.

[0014] According to the above technical solution, the inflation assembly includes a gas cylinder and an inflation pipeline. The gas cylinder is connected to the airbag through the inflation pipeline, and a valve body is provided on the gas cylinder.

[0015] The present invention has the following beneficial effects:

[0016] 1. The present invention has the dual functions of landing cushioning and floating on water. When on water, it can realize automatic switching from the cushioning and load-reducing state to the stable floating state. It has stronger environmental adaptability and can be widely used in drone recovery, heavy equipment airdrop and landing recovery of aerospace vehicles, which can greatly expand the environmental adaptability of the cushioning and load-reducing airbag.

[0017] 2. When landing on land, the main airbag effectively cushions and reduces load. When on water, the main airbag provides cushioning and load reduction, while the secondary airbag provides buoyancy for stable floating. On water, the device can automatically switch from a cushioning and load reduction state to a stable floating state. This invention offers greater integration and environmental adaptability, and is widely applicable to drone recovery, heavy equipment airdrops, and landing and recovery of aircraft. It can also be widely promoted in civil aviation, and has broad application prospects. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] Figure 1 Schematic diagram of the structure of an airbag device capable of buffering, reducing load and providing stable floating in an embodiment of the present invention;

[0019] Figure 2 2. It is a schematic structural diagram of an airbag device capable of buffering, reducing load and stably floating in a closed state of the airbag according to an embodiment of the present invention;

[0020] Figure 3 1 is a schematic structural diagram of an airbag device capable of buffering, reducing load, and stably floating in an airbag deployed state according to an embodiment of the present invention;

[0021] In the figure, 1-airbag assembly, 2-inflating assembly, 3-cabin, 4-airbag, 5-packaging assembly, 6-rectification assembly, 7-main airbag, 8-auxiliary airbag, 9-bladder body, 10-connecting belt, 11-tightening assembly, 12-breaking rope, 13-rectification skin, 14-screw, 15-gas cylinder, 16-inflating pipeline, 17-hose, 18-adapter, 19-cushioned object, 20-constant pressure exhaust device. DETAILED DESCRIPTION

[0022] The present invention is described in detail below with reference to the accompanying drawings and embodiments.

[0023] Reference Figures 1 to 3 As shown, an airbag device capable of buffering, reducing load and providing stable floating in one embodiment of the present invention includes a buffered object 19, an airbag assembly 1 and an inflation assembly 2. The airbag assembly 1 is arranged on the bottom surface of the buffered object 19, and the inflation assembly 2 is arranged on the buffered object 19 and connected to the airbag assembly 1.

[0024] The airbag assembly 1 includes an airbag 4 , which includes a main airbag 7 and a secondary airbag 8 . The secondary airbag 8 is arranged on one side of the main airbag 7 . A constant-pressure exhaust device 20 is provided on the bag body of the main airbag.

[0025] Furthermore, the inflatable component 2 is arranged at the center of the bottom surface of the cushioned object 19 , and the plurality of airbag components 1 are evenly distributed along the circumference of the inflatable component 2 .

[0026] The number of airbag assemblies 1 is four.

[0027] Furthermore, the airbag assembly 1 also includes a cabin 3, a packaging assembly 5, and a rectification assembly 6. The cabin 3 is arranged on the cushioned object 19, and the airbag 4 is sequentially encapsulated in the cabin by the packaging assembly 5 and the rectification assembly 6.

[0028] Furthermore, the cabin 3 is paved with high-strength, lightweight carbon fiber composite materials and is cured and formed through a high-temperature and high-pressure process.

[0029] Furthermore, both the main airbag and the auxiliary airbag are composed of a bag body, the air capacity of the main airbag is greater than that of the auxiliary airbag, and the auxiliary airbag is arranged on the upper outer side of the main airbag.

[0030] The main airbag 7 and the auxiliary airbag 8 are both connected to the cabin body 3 via a connecting belt 10. One end of the connecting belt 10 is connected to the bag body of the main airbag 7 and / or the auxiliary airbag 8 via adhesive, and the other end is connected to the mounting mechanism on the cushioned object 19.

[0031] Furthermore, the bladder 9 is made of high-strength ester-coated fabric sheets.

[0032] Furthermore, a constant-pressure exhaust device 20 is provided on the bag body of the main airbag.

[0033] Furthermore, the packaging component 5 is composed of a tightening component 11 and a breaking rope 12, which is used to tighten, compress and shape the folded airbag to form a package.

[0034] Furthermore, the tightening assembly 11 is composed of a piece of silk material that can be fixed on the cabin body; the breaking rope 12 can be made of a high-strength, flame-retardant flexible polyester textile material.

[0035] Furthermore, the rectification assembly 6 is composed of a rectification skin and breakable screws. The rectification skin covers the packaged airbag in the cabin, and the rectification skin is connected to the cabin through the breakable screws.

[0036] Furthermore, the fairing skin adopts wear-resistant polyurethane coated fabric.

[0037] Furthermore, the inflation component includes a gas cylinder and an inflation pipeline. The gas cylinder is connected to the airbag through the inflation pipeline, and a control valve body is provided on the gas cylinder.

[0038] Furthermore, the gas cylinder is composed of a bottle body for storing high-pressure gas and a valve body for releasing other gases; the filling pipeline is composed of a high-pressure strength hose and an adapter.

[0039] The working principle of the present invention is as follows: the upper end of the buffered object of the airbag device capable of buffering, reducing load and stably floating is connected to a parachute. After airdrop, the parachute is opened first. When the parachute is about to land, the inflation component inflates the airbag, and the airbag is used to buffer the impact force after the object completely lands. An airbag device capable of buffering, reducing load and stably floating is composed of four airbag components 1 and one inflation component 2; the airbag component 1 is composed of a cabin 3, an airbag 4, a packaging component 5, and a rectifier component 6; the inflation component 2 is composed of a gas cylinder 15 and an inflation pipeline 16; the airbag 4 is composed of a main airbag 7 and an auxiliary airbag 8, and the main airbag 7 and the auxiliary airbag 8 are both composed of a bag body 9 and a connecting belt 10; the packaging component 5 is composed of a tightening component 11 and a breaking rope 12; the rectifier component is composed of a rectifier skin 13 and a screw 14; the inflation pipeline 16 is composed of a hose 17 and an adapter 18.

[0040] The airbag device capable of buffering, reducing load and stably floating, when the airbag 4 is in the packaged state, the airbag 4 is encapsulated in the cabin 3 by the package component 5 and the rectification component 6 for protection, and the airbags 4 in the four airbag components 1 are connected to the gas cylinder 15 through the adapter 18 and the hose 17. When the ignition signal is received, the gas cylinder 15 releases the gas in the bottle, and the gas is filled into the airbags 4 in the four airbag components 1 through the hose 17 and the adapter 18. The airbag 4 is inflated, the breaking rope 12 breaks, and the tightening component 11 is unfolded. Subsequently, the screw 14 breaks, and the rectification skin 13 is unfolded. After a certain period of time after the package component 5 and the rectification component 6 are expanded, the four airbags 4 are inflated and formed.

[0041] The airbag device that can buffer, reduce load and stabilize floating, when the 154 airbags 4 are in the inflated and expanded state, the four airbags 4 are connected to the object that needs to be buffered through the connecting belt 10, and the main airbag 7 and the auxiliary airbag 8 of the airbag 4 are also connected by the connecting belt 10. The main function of the main airbag 7 is landing or water impact cushioning, and the main function of the auxiliary airbag 8 is stable floating after landing on the water.

[0042] When the cushioned object 19 falls from the air and lands, the cushioned object 19 and the ground squeeze the main airbags 7 of the four airbag assemblies 1. Under the squeezing action, the internal pressure of the main airbag 7 increases. When the pressure increases to a certain value, the constant-pressure exhaust device 20 starts to work, and the gas inside the main airbag 7 leaks out. As the internal pressure of the main airbag 7 gradually decreases, the main airbag 7 is compressed and deformed, achieving the effect of buffering and load reduction. Finally, the main airbag 7 exhausts all the gas in the main airbag 7 under the squeezing of the cushioned object 19 and the ground, and the auxiliary airbag 8 remains unchanged.

[0043] When the cushioned object 19 falls from the air and hits the water, the cushioned object 19 and the water squeeze the main airbags 7 of the four airbag assemblies 1. Under the squeezing action, the internal pressure of the main airbags 7 increases. When the pressure increases to a certain value, the constant-pressure exhaust device 20 starts to work, and the gas inside the main airbags 7 leaks out. As the internal pressure of the main airbags 7 gradually decreases, the main airbags 7 are compressed and deformed, achieving the effect of buffering and load reduction. Then, under the action of water squeezing, the gas in the main airbags 7 is exhausted. At the same time, the auxiliary airbags 8 float to the waist position of the cushioned object 20 under the action of water. At this time, the main airbag 7 after being completely exhausted acts as a connecting belt, connecting the cushioned object 20 and the four auxiliary airbags 8. The four auxiliary airbags 8 provide buoyancy and restoring torque for the cushioned object 20, maintain the floating stability of the cushioned object 20, and achieve the buffering requirements of soft landing and the stability requirements of landing on water.

[0044] The above are only preferred embodiments of the present invention, and certainly cannot be used to limit the scope of rights of the present invention. Therefore, equivalent changes made according to the scope of the patent application of the present invention still fall within the scope of protection of the present invention.

Claims

1. An airbag device capable of buffering, reducing load and providing stable floating, characterized in that: The invention comprises a cushioned object (19), an airbag assembly (1) and an inflation assembly (2), wherein the airbag assembly (1) is arranged on the bottom surface of the cushioned object (19), and the inflation assembly (2) is arranged on the cushioned object (19) and connected to the airbag assembly (1); The airbag assembly (1) includes an airbag (4), the airbag (4) includes a main airbag (7) and a secondary airbag (8), the secondary airbag (8) is arranged on one side of the main airbag (7), and the main airbag is provided with a constant pressure exhaust device (20); When the cushioned object falls from the air and lands, the cushioned object and the ground squeeze the main airbag of the airbag assembly. Under the squeezing action, the internal pressure of the main airbag increases. When the pressure rises to a certain value, the constant pressure exhaust device starts to work, and the gas inside the main airbag leaks out. As the internal pressure of the main airbag gradually decreases, the main airbag compresses and deforms accordingly, achieving the effect of cushioning and load reduction. Finally, the main airbag is squeezed by the cushioning object and the ground to exhaust all the gas in the main airbag, while the auxiliary airbag remains unchanged. When the object to be cushioned falls from the air and hits the water, the object to be cushioned and the water squeeze the main airbag. Under the squeezing action, the internal pressure of the main airbag increases. When the pressure rises to a certain value, the constant-pressure exhaust device starts to work, and the gas inside the main airbag leaks out. As the internal pressure of the main airbag gradually decreases, the main airbag is compressed and deformed, achieving the effect of cushioning and load reduction. Then, under the action of water squeezing, the gas in the main airbag is exhausted. At the same time, the auxiliary airbag floats to the waist position of the object to be cushioned under the action of water. At this time, the main airbag, after being completely exhausted, acts as a connecting belt, connecting the object to be cushioned and the auxiliary airbag. The auxiliary airbag provides buoyancy and restoring torque for the object to maintain the floating stability of the object to be cushioned, thereby achieving the cushioning requirements of soft landing and the stability requirements of landing on water.

2. The airbag device capable of buffering, reducing load and providing stable floating according to claim 1, characterized in that: The inflatable component (2) is arranged on the bottom surface of the buffered object (19), and the plurality of airbag components (1) are evenly distributed along the circumference of the inflatable component (2).

3. The airbag device capable of buffering, reducing load and providing stable floating according to claim 1, characterized in that: The airbag assembly (1) further comprises a cabin (3), a packaging assembly (5), and a rectification assembly (6); the cabin (3) is arranged on the cushioned object (19); and the airbag (4) is encapsulated in the cabin by the packaging assembly (5) and the rectification assembly (6).

4. The airbag device capable of buffering, reducing load and providing stable floating according to claim 3, characterized in that: The cabin (3) is paved with carbon fiber composite materials and is solidified through a high temperature and high pressure process.

5. The airbag device capable of buffering, reducing load and providing stable floating according to claim 1, characterized in that: Both the main airbag and the auxiliary airbag are composed of a bag body. The air capacity of the main airbag is greater than that of the auxiliary airbag, and the auxiliary airbag is arranged on the upper outer side of the main airbag.

6. The airbag device capable of buffering, reducing load and providing stable floating according to claim 5, characterized in that: The capsule (9) is made of high-strength ester-coated fabric pieces; The main airbag (7) and the auxiliary airbag (8) are both connected to the cabin (3) via a connecting belt (10). One end of the connecting belt (10) is connected to the bag body of the main airbag (7) and / or the auxiliary airbag (8) via adhesive, and the other end is connected to a mounting mechanism on the cushioned object (19).

7. The airbag device capable of buffering, reducing load and providing stable floating according to claim 3, characterized in that: The packaging component (5) is composed of a tightening component (11) and a breaking rope (12), and is used to tighten, compress and shape the folded airbag to form a package.

8. The airbag device capable of buffering, reducing load and providing stable floating according to claim 3 is characterized in that: The rectification assembly (6) is composed of a rectification skin and breakable screws. The rectification skin covers the airbag after packaging in the cabin, and the rectification skin is connected to the cabin through the breakable screws.

9. The airbag device capable of buffering, reducing load and providing stable floating according to claim 1, characterized in that: The inflation component includes a gas cylinder and an inflation pipeline. The gas cylinder is connected to the air bag through the inflation pipeline, and a control valve body is provided on the gas cylinder.

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