air bag

Abstract

The airbag of the present invention includes a gas generator and an airbag cushion, wherein the airbag cushion is deployed when gas is injected into the airbag cushion from the gas generator, and the airbag cushion has rupture holes formed by at least partial rupture from the airbag cushion. The gas that has flowed into the airbag cushion is discharged to the outside of the airbag cushion through the rupture hole. The airbag of the present invention has a structure for effectively absorbing energy, so that the function of adjusting the inner pressure of the airbag cushion according to the time difference of deployment can be realized. At the same time, the airbag of the present invention does not require a specific internal pressure regulating device, and the internal pressure of the airbag cushion can be controlled only by using the structure of the airbag cushion itself. In addition, the vehicle airbag of the present invention has the same working process as the conventional airbag, but does not require a specific belt or device, so the number of parts can be reduced.

Description

technical field [0001] The present invention relates to an airbag, and more particularly to a structure for absorbing impact energy by adjusting the internal pressure of the airbag provided in a vehicle. Background technique [0002] In general, vehicles have various safety devices for protecting passengers in unexpected situations that may occur at any time, and typical ones are interior airbags for protecting passengers and exterior airbags for protecting victims. [0003] However, the airbag deploys in an instant and cannot sufficiently absorb the impact energy, so passengers or victims may be seriously injured. [0004] Therefore, in order to absorb the impact energy, the existing airbag adopts the concept of active exhaust. In terms of the structure of the airbag for the passenger seat, in order to meet the commerciality / regulatory performance, a side panel is gathered such as a low-risk scheduling exhaust structure (LOWRISK DEPLOYMENT VENT; LRD VENT), general exhaust ...

AI Technical Summary

Problems solved by technology

[0007] Here, if an active vent structure for passengers (Passenger Airbag ActiveVent) is adopted in the exterior airbag, it will lead to an increase in component costs and complicate assembly

[0008] In addition, if figure 1 In the crash mode test shown, there may be problems that the impact energy of the impacted body cannot be fully absorbed due to damage to the airbag cushion or excessive pressure rise.

Images