KR102176774B1 - A Passenger protector device for vehicles - Google Patents

Abstract

The present invention relates to a vehicle passenger protection device, and in particular, a curtain air bag module (CAB: Cutton Air Bag Module) disposed on both left and right sides of a roof panel inside a vehicle compartment, and a driver's seat air bag module (DAB) disposed on a steering handle inside the vehicle compartment. : Driver Air Bag Module), Windshield Glass disposed in front of the vehicle compartment, A-Pillar disposed to partition the side door and the windshield glass, and deployed toward the A-pillar By including the arranged cluster housing air bag module (CHAB), it provides the advantage of effectively protecting the passengers in the driver's seat even in the event of an unexpected frontal collision of the vehicle.

Description

A passenger protector device for vehicles

The present invention relates to a vehicle passenger protection device, and more particularly, effectively protects the head of a driver who moves eccentrically by an eccentric collision of a vehicle in a direction in which an A-pillar between the driver's seat airbag module and the curtain airbag module is provided. It relates to a vehicle passenger protection device.

In general, in a vehicle, various airbag modules are installed to safely protect a driver and a passenger from an impact force caused by a collision when a vehicle crashes while driving.

By type, the airbag module includes a driver airbag (DAB) module that is installed on the steering wheel of a vehicle to protect the driver, and a passenger airbag (PAB) that is installed on the front dashboard panel of the passenger seat to protect passengers in the passenger seat. Passenger Air Bag) module, a seat air bag (SAB) module that is installed on each seat of the vehicle to protect the side impact of passengers, and inside the roof trim corresponding between the roof panel inside the vehicle and each side door. It can be divided into a cutton air bag (CAB) module that is installed and protects the side of the passenger as a whole.

FIG. 1 is a conceptual diagram illustrating an example of a vehicle collision accident, and FIG. 2 is a conceptual diagram illustrating the behavior of a passenger (driver) boarding a driver's seat and deployment states of various airbag modules when a collision accident occurs according to FIG. 1.

In the vehicle passenger protection device according to the prior art, various airbag modules are configured to be automatically deployed when a predetermined or more impact is detected, and in particular, the driver's seat airbag module is configured to be suitable for protecting a driver moving directly in front of the vehicle. Has been.

However, the vehicle passenger protection device according to the prior art, as shown in FIG. 1, is a traveling vehicle 10A and an opposing vehicle 10B or a traveling vehicle 10A and an object (a stationary object such as a guardrail on a road). Including) is not a pure frontal collision, but is biased toward one side and overlaps the impacted object by a predetermined length and impulses, the driver 30 seated in the driver's seat 20, as shown in FIG. 2, the driver's seat airbag module There is a problem in that a blind spot of safety that cannot protect the head of the driver 30 is formed by eccentric behavior toward the A-pillar side positioned between the 70 and the curtain airbag module 80.

In order to solve the above-described problem, the airbag cushion of the driver's seat airbag module 70 may be designed to be deployed toward the A-pillar 60, but in this case, the driver 30 is protected in case of a pure frontal collision, not an eccentric collision. There is a problem that it is difficult to stably protect the driver 30 because the expansion force is lost by the design value directed toward the air filler 60.

Unexplained reference numeral 40 denotes a windshield glass constituting the front of the vehicle cabin, and unexplained reference numeral 50 denotes a roof panel constituting the upper portion of the vehicle cabin.

The present invention was devised to solve the above technical problem, and the vehicle passenger protection device including an airbag module for preventing eccentric shock that can effectively protect a driver when the vehicle is eccentric so that it overlaps a predetermined distance with an object to be impacted. Its purpose is to provide.

The vehicle passenger protection device according to the present invention includes a curtain airbag module (CAB: Cutton Air Bag Module) disposed on both left and right sides of a roof panel inside a vehicle compartment and a driver's seat airbag module (DAB: Driver Air Bag) disposed on a steering handle inside the vehicle compartment. Module) and a windshield glass disposed in front of the car compartment and an airbag module for preventing eccentric shock disposed to be deployed toward the A-Pillar disposed to partition the side door disposed at the side of the car compartment, The airbag module for preventing eccentric shock is an airbag cushion deployed between the driver's seat airbag module and the windshield glass when gas is filled, and the installation location of the dashboard of the vehicle and the airbag while being positioned between the driver's seat airbag module and the windshield glass. And a cluster housing providing a place for installing the cushion, wherein a tear line is formed in the cluster housing to induce deployment of the airbag cushion by being torn by the deployment force of the airbag cushion.

Here, the eccentric shock prevention airbag module may be disposed between the driver's seat airbag module and the windshield glass.

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In addition, the tear line may be formed such that the airbag cushion is deployed in a direction in which the side door adjacent to the driver's seat is provided based on the cluster housing.

In addition, the upper end portion of the cluster housing is formed to be rounded with a center protruding upward, and the tear line is formed in a direction in which the side door adjacent to the driver's seat is provided with respect to the center of the upper end portion of the cluster housing, It may be formed in a “C” shape opened toward the center of the upper end of the cluster housing.

In addition, the eccentric shock prevention airbag module further includes an airbag housing in which the airbag cushion is accommodated, and the airbag housing is fixed to an upper side of the cluster housing in which the instrument panel of the vehicle is installed, and then a dashboard covering the cluster housing. Can be concealed by a panel.

In addition, in the vehicle, a cowl crossbar is disposed long from the front of the driver's seat to the left and right to support the cluster housing and the dashboard panel, and the eccentric shock prevention airbag module includes a first bracket fixed to the cowl crossbar and the first bracket It may be coupled to an upper portion of the front portion of the cluster housing via a second bracket supported by.

In addition, the first bracket may have one end fixed to the cowl crossbar, and the other end extended to surround a part of the front portion of the cluster housing and fixed to the dashboard panel.

In addition, the second bracket may have one end supported by the first bracket, and the other end may be bolted to the airbag housing.

In addition, a tear line may be formed on the dashboard panel to induce the deployment of the airbag cushion by being torn by the deployment force of the airbag cushion.

In addition, the tear line may be formed such that the airbag cushion is deployed in a direction in which the side door adjacent to the driver's seat is provided based on the cluster housing.

In addition, the tear line may be formed in a “c” shape opened in a direction opposite to the direction in which the airbag cushion is deployed on the dashboard panel.

In addition, the airbag cushion may be deployed to cover a part of the A-pillar when the gas is filled.

In addition, the airbag cushion may be deployed to cover a part of the A-pillar when the gas is filled.

In addition, the airbag cushion may be deployed to cover the lower end of the A-pillar when the gas is filled.

In addition, the airbag cushion includes a front portion constituting a front portion to directly contact the A-pillar after deployment, and a rear portion constituting a rear portion to directly contact the driver's head after deployment, and the front portion and the rear portion This bar can be combined.

In addition, the longest length of the front part of the airbag cushion may be longer than the longest length of the rear part.

The vehicle passenger protection device according to the present invention effectively protects the driver by means of a driver's seat airbag module when the frontal collision of the vehicle is a pure frontal collision, and the frontal collision of the vehicle overlaps a predetermined distance left and right. In the case of an eccentric collision, the driver is effectively protected by an airbag module for preventing eccentric impact, thereby protecting the driver's life due to a safety accident.

1 is a conceptual diagram showing an example of a vehicle collision accident,
FIG. 2 is a conceptual diagram showing the behavior of passengers (drivers) boarding the driver's seat and the deployment state of various airbag modules when a collision according to FIG. 1 occurs,
3 is a front view showing a location where an airbag module for preventing eccentric shock is installed in the configuration of the vehicle passenger protection device according to the present invention,
4A and 4B are front and side views showing a first embodiment of an airbag module for preventing eccentric shock in the configuration of the vehicle passenger protection device according to the present invention,
5A and 5B are front and rear views showing the installation of the second embodiment of the airbag module for preventing eccentric shock among the configuration of the vehicle passenger protection device according to the present invention,
6 is a plan view showing the installation state of the second embodiment of the airbag module for preventing eccentric shock,
7 is an exploded perspective view showing a second embodiment of an airbag module for preventing eccentric shock,
8 is a front view showing the operation of the vehicle passenger protection device according to the present invention,
9 is a plan view showing an airbag cushion in the configuration of a vehicle passenger protection device according to the present invention.

Hereinafter, embodiments of a vehicle passenger protection device according to the present invention will be described in detail with reference to the accompanying drawings.

The passenger protection device for a vehicle according to the present invention, as shown in FIGS. 3 to 4B, is a curtain air bag module (CAB: Cutton Air Bag Module) (not shown) disposed on both left and right sides of a roof panel forming a ceiling inside a vehicle interior. , See reference numerals in FIG. 2), a driver air bag module (DAB) disposed on the steering wheel inside the vehicle cabin (not shown, see reference numeral 70 in FIG. 2), and a windshield disposed in front of the cabin An airbag for preventing eccentric shocks arranged so that the airbag cushion 103 is deployed toward the A-Pillar 160 arranged to partition the Windshield Glass 130 and the side door 170 arranged on the side of the vehicle compartment. Includes module 100.

As described above, the eccentric shock prevention airbag module 100, which is a component of the vehicle passenger protection device according to the present invention, is the same in that the direction in which the airbag cushion 103 is deployed is toward the A-pillar 160, It can be implemented in various embodiments as described later depending on the installation location.

Hereinafter, a configuration in which the airbag module 100 for preventing eccentric shock is installed in the cluster housing 140A provided to be exposed to the outside so as to be distinguished from the dashboard panel 150 is referred to as'first embodiment 100A', and the cluster The configuration in which the airbag module 100 for preventing eccentric impact is installed on the dashboard panel 150 because the housing 140B is integrally injection-molded inside the dashboard panel 150 is referred to as'second embodiment 100B'. I will explain.

3 is a front view showing a location where an airbag module for preventing eccentric shock is installed in the configuration of the vehicle passenger protection device according to the present invention, and FIGS. 4A and 4B are for preventing eccentric shock in the configuration of the vehicle passenger protection device according to the present invention. It is a front view and a side view showing the first embodiment of the airbag module.

The airbag module 100A for preventing eccentric shock according to the first embodiment of the configuration of the vehicle passenger protection device of the present invention is an airbag that is deployed to be located between the rear of the driver's seat airbag module and the windshield glass 130 when gas is introduced. It includes a cushion 103 and a cluster housing 140A that is positioned in front of the driver's seat airbag module (DAB) and provides an installation location for the dashboard 120 of the vehicle and provides an installation location for the airbag cushion 103 to be inserted and installed. can do.

The cluster housing 140A, as is generally known, provides a place in which various instrument panels 120 are installed in front of the driver's seat for observation by passengers on the driver's seat. In addition, the cluster housing 140A has an upper end protruding upward from the center to be rounded to shield or block external natural light, and the rear end (referring to an end adjacent to the driver) includes the instrument panel 120 It is formed to extend a predetermined length rearward so as to cover from the upper side.

The airbag cushion 103 substantially protects the driver while inflating when a high-pressure deployment gas generated from an inflator (not shown) is introduced. Before the airbag cushion 103 is deployed, it is accommodated in a folded state in the airbag housing 101A inside the cluster housing 140A, and is configured to be deployed by receiving a deployment control signal only in the event of a collision.

The airbag cushion 103 may be deployed to cover a part of the A-pillar 160 when gas is introduced and inflated.

The above-described A-pillar 160 will be described in detail in order to form a preferred scope of rights of the vehicle passenger protection device according to the present invention.

In a general structure of a car (or vehicle), a front windshield glass 130 is long disposed in the front part around the driver, left and right, and the front left and right side doors open and close so that the driver and passengers in the passenger seat ride in the vehicle. 170) is provided. In addition, a passenger's boarding space and rear left and right side doors (not shown) are provided at the rear of the driver.

Here, a configuration of the vehicle body positioned between the front windshield glass 130 and the front side door 170 is defined as'A-pillar 160', and is positioned between the front side door 170 and the rear side door. One configuration of the vehicle body is defined as'B-pillar' (not shown), and one configuration of the vehicle body positioned between the rear side door and the rear windshield glass (not shown) is called'C-pillar'. )'(not shown).

In an embodiment of the present invention, the A-pillar 160, in the case of an eccentric collision accident with one side so that the front collision accident of the vehicle overlaps a predetermined length left and right between colliding vehicles, the driver's seat airbag module (DAB) and the curtain airbag module (CAB) refers to a blind spot where the driver's head cannot be protected. In particular, it is well known that the A-pillar 160 is a partition portion extending from a roof panel forming a ceiling surface of a vehicle cabin so as to form a boundary between the front windshield glass 130 and the front left and right side doors 170.

Here, the airbag cushion 103 may be deployed to cover the lower end of the A-pillar 160 when gas is introduced and inflated.

On the other hand, in the cluster housing 140A, as shown in FIGS. 4A and 4B, a tear line (Tear Line) which is torn by the deployment force of the airbag cushion 103 to induce the expansion of the airbag cushion 103 to the outside. 145A) can be formed.

The tear line 145A may be formed such that the airbag cushion 103 is deployed in a direction in which the front left and right side doors 170 on one side of the driver's seat are provided based on the cluster housing 140A mounted on the vehicle.

More specifically, the upper end of the cluster housing 140A, as described above, is formed to be rounded while the center protrudes upward. Here, the tear line 145A is formed in a direction in which the front left and right side doors 170 on one side of the driver's seat are provided with respect to the center of the upper end of the cluster housing 140A, and “c” toward the middle of the upper end of the cluster housing 140A. It can be formed in a ”shape.

In particular, the opened “C” shape may be formed so that both ends of the tear line 145A have a shape that gradually opens. As a result, the portion corresponding to the lower side of the tear line 145A is torn around both ends of the tear line 145A and opens upward, and the airbag cushion 103 filled with gas through the gap is instantaneously released. It is developed toward the (160) side.

However, the airbag module 100 for preventing eccentric shock in the configuration of the vehicle passenger protection device according to the present invention is not limited to the implementation of the first embodiment 100A. That is, the airbag module 100 for preventing eccentric impact can be implemented in the second embodiment 100B, as referred to by the drawings to be described later.

5A and 5B are front and rear views showing the installation of a second embodiment of an eccentric shock prevention airbag module among the configuration of the vehicle passenger protection device according to the present invention, and FIG. 6 is a second view of the eccentric shock prevention airbag module. It is a plan view showing the installation state of the embodiment, Figure 7 is an exploded perspective view showing a second embodiment of the airbag module for preventing eccentric impact.

Details of the eccentric shock preventing airbag module 100B according to the second embodiment will be described focusing on the difference from the eccentric shock preventing airbag module 100A according to the first embodiment.

The airbag module 100B for preventing eccentric shock according to the second embodiment is mounted on the dashboard panel 150, unlike the first embodiment 100A. That is, if the airbag module 100A for preventing eccentric shock in the first embodiment is installed through the cluster housing 140A, the airbag module 100B for preventing eccentric shock according to the second embodiment is different from the cluster housing 140B. Separately installed on the dashboard panel 150.

More specifically, as shown in FIGS. 5A and 5B, the dashboard panel 150 is provided immediately behind the front windshield glass 130 in the front of the vehicle compartment, and the cluster housing 140B described above is provided on the instrument panel. It is provided to be concealed inside the dashboard panel 150 except for the rear part 120) is provided. In addition, in the vehicle, as shown in FIGS. 5A and 5B, the cowl crossbars 180 are disposed in the front of the driver's seat to support the dashboard panel 150.

The airbag module 100B for preventing eccentric shock according to the second embodiment includes the same airbag cushion 103 and the airbag housing 101B as in the first embodiment 100A. Here, the airbag housing 101B is secured to the upper side of the cluster housing 140B and then concealed by the dashboard panel 150 covering the cluster housing 140B.

In particular, as shown in FIGS. 6 and 7, the airbag module 100B for preventing eccentric shock according to the second embodiment includes a first bracket 190A and a first bracket 190A fixed to the cowl crossbar 180. It is coupled to the upper portion of the front portion of the cluster housing 140B via the second bracket 190B supported by.

The first bracket 190A has one end fixed to the cowl crossbar 180, and the other end extended upward and rearward so as to surround a part of the front portion of the cluster housing 140B and fixed to a part of the dashboard panel 150. .

The second bracket 190B has one end supported by an intermediate portion of the first bracket 190A, and the other end is bolted to the airbag housing 101B through a fastening member such as a bolt.

In such a dashboard panel 150, as in the first embodiment (100A), when the airbag cushion 103 is filled with gas and deployed, it is torn by the deploying force of the airbag cushion 103 and the airbag cushion 103 A tear line 145B may be formed to induce development.

Here, the tear line 145B is formed on the dashboard panel 150 so that the airbag cushion 103 is deployed in the direction in which the front left and right side doors 170 adjacent to the driver's seat are provided based on the cluster housing 140B. It is natural.

Also, as in the first embodiment 100A, the tear line 145B may be formed in a “C” shape that is opened toward a direction opposite to the direction in which the airbag cushion 103 is deployed. However, the tear line 145B in the second embodiment 100B is on the dashboard panel 150, whereas the tear line 145A in the first embodiment 100A is formed in the cluster housing 140A. There is a difference in being formed.

FIG. 8 is a front view showing the operation of the vehicle passenger protection device according to the present invention, and FIG. 9 is a plan view showing an airbag cushion in the configuration of the vehicle passenger protection device according to the present invention.

The airbag module 100 for preventing eccentric shock according to the first and second embodiments configured as described above, as shown in FIG. 8, is provided with gas when an eccentric collision occurs among the types of front collision accidents of the vehicle. When is introduced and filled, it is deployed through the above-described tear line 145, but is deployed so as to be rounded in the direction of the driver's seated driver's seat may be an effective means of protecting the driver's passengers.

To this end, the airbag cushion 103 includes a front portion 103A constituting a front portion to directly contact the A-pillar 160 after deployment, and a rear portion 103B constituting a rear portion to directly contact the driver's head after deployment. The front part 103A and the rear part 103B are formed with a space in which gas is filled inside by being bar-coupled with the edge part.

Here, the front part 103A and the rear part 103B may be folded around a reference line R as shown in FIG. 9 so that the edges may be sewn together.

In more detail, referring to FIG. 9, the front part 103A and the rear part 103B may be formed of a single fabric material. In addition, the front part 103A and the rear part 103B are folded around one of the above-described reference lines R so that their rims are sewn to each other, and an inflator not shown in the part corresponding to the rear part 103B is The gas supply hole 104 through which the development gas is supplied may be formed by being combined.

The front part 103A is formed longer than the rear part 103B so that it expands farther when the gas is filled inside (refer to D1> D2 in FIG. 9). That is, when the airbag cushion 103 is deployed, the rear part 103B is bent toward the front part 103A while the R part acts as a tether, and the overall shape of the airbag cushion 103 deployed toward the A-pillar 160 is It develops round. In other words, the longest length of the front part 103A can be interpreted to mean that it is formed longer than the longest length of the rear part 103B.

The operational effects of the vehicle passenger protection device according to the present invention configured as described above will be described as follows.

First, when the appearance of the vehicle's front collision accident is an eccentric collision with a predetermined length overlapping on one side, the airbag cushion 103 is the deployment path cluster housing 140A or the dashboard panel 150 by supplying high-pressure gas from the inflator. ) Is developed to the outside while tearing the tear line 145.

At this time, in the vehicle passenger protection device according to the present invention, the airbag cushion 103 is sewing-coupled so that the length of the front part 103A is longer than the length of the rear part 103B, and is developed to be rounded in the direction of the driver's seat. As a result, it is possible to effectively protect the driver, as well as to effectively protect the head of the driver who is eccentric to one side.

According to a preferred embodiment of the vehicle passenger protection device according to the present invention configured as described above, in the case of a pure frontal collision that is not eccentric, the driver is primarily controlled through the driver's seat airbag module. At the same time as protection, the airbag module 100 for preventing eccentric shock is deployed to the side of the A-pillar 160, which was a blind spot for driver protection in the past, so that the appearance of a frontal collision of the vehicle is an eccentric collision in which a predetermined length overlaps one side. Since the driver can be secondarily protected, the advantage of effectively preventing the driver's safety accident can be created.

In the above, a preferred embodiment of a vehicle passenger protection device according to the present invention has been described in detail with reference to the accompanying drawings. However, the embodiments of the present invention are not necessarily limited by the above-described preferred embodiment, and it is natural that various modifications and implementations within an equal range by those of ordinary skill in the art to which the present invention pertains are possible. something to do. Therefore, the true scope of the present invention should be determined by the claims.

100: airbag module for preventing eccentric shock
100A: First embodiment 100B: Second embodiment
101A,101B: Airbag housing 103: Airbag cushion
103A: front part 103B: rear part
104: gas supply hole 110: steering wheel
120: instrument panel 130: windshield glass
140: cluster housing 145: tear line
150: dashboard panel 160: a filler
170: side door

Claims (18)

Curtain air bag modules (CAB: Cutton Air Bag Module) disposed on the left and right sides of the roof panel inside the vehicle compartment;
A driver air bag module (DAB) disposed on the steering wheel inside the vehicle compartment;
An airbag module for preventing eccentric shocks disposed to be deployed toward the A-Pillar disposed to partition the windshield glass disposed in front of the car compartment and the side door disposed at the side of the car compartment;
Including,
The eccentric shock prevention airbag module,
An airbag cushion deployed between the driver's seat airbag module and the windshield glass when gas is filled; And
It includes a cluster housing positioned between the driver's seat airbag module and the windshield glass and providing a place for installing an instrument panel of a vehicle and a place for installing the airbag cushion,
A vehicle passenger protection device in which a tear line is formed in the cluster housing to induce deployment of the airbag cushion by being torn by the deployment force of the airbag cushion.
The method according to claim 1,
The eccentric shock prevention airbag module,
A vehicle passenger protection device disposed between the driver's seat airbag module and the windshield glass.
delete delete The method according to claim 1,
The tear line,
A passenger protection device for a vehicle in which the airbag cushion is deployed in a direction in which the side door adjacent to the driver's seat is provided based on the cluster housing.
The method according to claim 1,
The upper end of the cluster housing is formed to be rounded with the center protruding upward,
The tear line,
A vehicle passenger protection device formed in a direction in which the side door adjacent to the driver's seat is provided with respect to the middle of the upper end of the cluster housing, and has a “c” shape opened toward the center of the upper end of the cluster housing.
The method according to claim 2,
The eccentric shock prevention airbag module,
Further comprising an airbag housing in which the airbag cushion is accommodated,
The airbag housing is fixed to the upper side of the cluster housing in which the instrument panel of the vehicle is installed, and then is concealed by a dashboard panel covering the cluster housing.
The method of claim 7,
In the vehicle, a cowl crossbar is disposed in the front of the driver's seat to support the cluster housing and the dashboard panel to the left and right,
The eccentric shock prevention airbag module,
A vehicle passenger protection device coupled to an upper portion of a front portion of the cluster housing via a first bracket fixed to the cowl crossbar and a second bracket supported by the first bracket.
The method of claim 8,
The first bracket,
One end portion is fixed to the cowl crossbar, the other end extends to surround a part of the front portion of the cluster housing, the vehicle passenger protection device is fixed to the dashboard panel.
The method of claim 9,
The second bracket,
A vehicle passenger protection device in which one end is supported by the first bracket and the other end is bolted to the airbag housing.
The method according to any one of claims 7 to 10,
In the dashboard panel,
A passenger protection device for a vehicle in which a tear line is formed to induce the deployment of the airbag cushion by being torn by the deployment force of the airbag cushion.
The method of claim 11,
The tear line,
A passenger protection device for a vehicle in which the airbag cushion is deployed in a direction in which the side door adjacent to the driver's seat is provided based on the cluster housing.
The method of claim 11,
The tear line,
A vehicle passenger protection device formed in a “c” shape opened in a direction opposite to the direction in which the airbag cushion is deployed on the dashboard panel.
The method according to claim 1,
The airbag cushion is deployed to cover a part of the A-pillar when the gas is filled.
The method of claim 7,
The airbag cushion,
When the gas is filled, the vehicle passenger protection device is deployed to cover a part of the A-pillar.
The method of claim 7,
The airbag cushion,
When the gas is filled, the vehicle passenger protection device is deployed to cover the lower end of the A-pillar.
The method of claim 7,
The airbag cushion,
A front portion constituting a front portion to directly contact the A-pillar after deployment;
It consists of a rear part constituting the rear part so as to directly contact the driver's head after deployment,
The front portion and the rear portion of the vehicle passenger protection device in which the rim portion is bar-coupled.
The method of claim 17,
A vehicle passenger protection device in which the longest length of the front part of the airbag cushion is longer than the longest length of the rear part.

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