KR20020097431A - connecting device for airbag module of passenger - Google Patents

Abstract

PURPOSE: A device for connecting an air bag for a passenger is provided to protect the passenger by smoothly deploying the air bag when a shock is applied to a vehicle. CONSTITUTION: An instrument panel(10) on which all control and instrument devices are installed has a laser slit incision formed in an H shape by a laser. A frame(20) has a combining recess(21) fixed on the rear wall of the instrument panel and a through hole formed in the center. Brackets(40,41) are combined to the rear upper and lower portions of the frame. A receiving frame having an air bag receiving space is connected to the brackets. An upward and downward opening door(30) having a separation recess(31) is connected with a hinge. When an air bag is deployed, the upward and downward opening door is incised into the upper and lower parts. The laser slit incision is incised. Thus, a passenger is protected when the air bag is deployed.

Description

Connecting device for airbag module of passenger}

The present invention relates to a passenger airbag connection device, and more specifically, the instrument groove is a groove using a laser in the H-shape of the English alphabet at the rear portion of the laser groove incision to protect the occupant by the deployment of the airbag Passengers who can protect the passengers by forming airbags and connecting the up-and-down deployment doors so that the airbags can be separated up and down by the deployment force of the airbags. The present invention relates to an airbag connection device.

Vehicle safety devices include active safety devices (brake, ABS, TCS, Navigation) to prevent accidents and passive belts (safty belt, airbag pretentioner) to protect passengers' wounds or lives in the event of an accident. Are classified.

The airbags of these safety devices are devices that protect the occupants by inflating the bags before the second collision in the event of a collision, and are used to prevent facial injury by being mounted on the driver's seat and the passenger seat.

Airbags include meteorites equipped with airbag modules mounted on steering wheels, collision sensors attached to the vehicle body, and turning lights that combine these with diagnostic circuits. It is equipped with a conscious system and a small bag system with a capacity of about 45L, which is called the Euroback and is equipped with a three-point belt.

In addition, there are several types of passenger seats, depending on where the passenger seat airbags are placed on the instrument panel. It is a downward installation type housed in the lower part of the instrument panel, an upper installation type in which the unit is mounted almost horizontally on the upper part of the instrument panel, and an upper installation type in which the unit is installed on the upper surface of the instrument panel and the bag is deployed upwardly inclined.

These airbags can be covered by the module cover so as not to be exposed to the outside from the inside of the vehicle, and the module cover not only stores the cushion in a certain form but also contributes to the appearance of the vehicle.

In addition, if you look at the basic condition of the airbag module, not only the bag should not be scattered when it is inflated, but also should be torn properly, and the notch-shaped groove is dug on the back of the cover so that it can always be torn to a certain shape. The characteristics of the airbag module are generally made of plastic material, and the plastic cover and the plastic steering wheel body, which are frame crystals, form the driver module assembly. The driver's seat module is attached to the steering wheel spokes. The module has a metal surface plate which serves as a mounting surface for the gas inflator, which is mounted on the module back plate. Is fitted to the wheel hub.

Subsequently, a technology related to a vehicle equipped with an airbag module has been disclosed by the present applicant in a front panel integrated airbag device of Korean Patent Application No. 1995-61915 (filed December 28, 1995).

The front panel integrated airbag device includes an airbag assembly for mounting an airbag by directly mounting the panel core of the front panel, an airbag door riveted to the airbag assembly, and a hinge determined when an airbag is operated at a lower end of the airbag door. It is to solve the inconvenience of having to change the entire front panel during A / S from the configuration provided to prevent the generation of gaps and gaps between parts due to malfunction of the airbag to improve the appearance quality of the product.

However, the conventional all-in-one panel-type airbag device is integrated with the airbag assembly and the airbag door with the front panel (instrument panel), but the lower part of the instrument panel on which the airbag module is mounted is partially folded to the front side to surround the airbag door. The other instrument panel which is in contact with the lower end of the bent instrument panel can be supported by the instrument surrounding the airbag door while being bent to a certain length, but the part of the instrument panel that is partially bent while wrapping the airbag door. As a narrow space is formed on the outside, foreign materials are laminated from the outside, which makes it difficult to deploy the airbag due to friction between the instrument panels, and a certain groove is formed in the exterior of the instrument panel where the airbag module is mounted. That has the problem.

The present invention is to solve such a conventional problem, the purpose of the instrument panel is to use the laser in the H letter form of the English alphabet in the rear portion of the laser groove incision opening portion to protect the occupant by the deployment of the air bag By forming a groove and connecting the up and down deployment door integrally so that it can be separated up and down by the deployment force of the air bag, the air bag can be deployed, and when the impact is applied to the outside, the air bag can be deployed smoothly to protect the passengers. To help.

1 is an exploded perspective view of a passenger airbag connection device according to an embodiment of the present invention.

2 is a cross-sectional view of a passenger airbag connection device according to an embodiment of the present invention.

Code descriptions for the main parts of the drawings

10; instrument panel 11; laser groove incision

20; frame 21; through hole

22; coupling groove 25; anti-noise pad

30; up and down development door 31; separating groove

32; hinge portion 40, 41; bracket

50; storage frame 51; airbag module

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS Hereinafter, the present invention will be described in detail with reference to the accompanying drawings in order to describe in detail enough to enable those skilled in the art to easily carry out the present invention. . Other objects, features, and operational advantages, including the object, operation, and effect of the present invention will become more apparent from the description of the preferred embodiment.

For reference, the embodiments disclosed herein are only presented by selecting the most preferred examples to help those skilled in the art from the various possible examples, the technical spirit of the present invention is not necessarily limited or limited only to this embodiment. However, various changes and modifications are possible within the scope without departing from the technical spirit of the present invention, as well as other equivalent embodiments.

1 is an exploded perspective view of a passenger airbag connection device according to an embodiment of the present invention, Figure 2 is a cross-sectional configuration of the passenger airbag connection device according to an embodiment of the present invention.

The present invention is to facilitate the deployment of airbags for the safety of passengers, as shown in Figures 1 to 2 are mounted on the front of the vehicle is installed a variety of operations and instruments required for driving and coupling parts to the rear side In addition, the instrument panel 10 having a laser groove incision 11 formed in the groove by using a laser at a certain portion of the rear side, and the vibration is fused and fixed to the rear wall surface of the instrument panel 10 And a coupling groove 22 formed to couple the fastening means to the upper and lower sides of the rear side, and a frame 20 having a through hole 21 formed therein with a passage of a predetermined size penetrating through the outside from the center thereof. Has a configuration.

The laser groove cutting opening 11 of the instrument panel 10 is characterized in that the groove has the shape of the alphabet letter "H".

The hinge portion 32 is integrally connected to the upper portion of the frame 20 so as to be developed toward the front side by an external impact, and a groove is formed in the transverse direction in the center to be separated up and down by the deployment force of the airbag. And a vertical development door 30 that is a thermoplastic material (thermoplastic olefin) in which a separation groove 31 is formed to allow deployment of the air bag.

The separation groove 31 of the up-and-down deployment door 30 has a configuration in which the shape of the groove is formed by the letter “V” of the English alphabet.

The frame 20 has a configuration in which the brackets 40 and 41 are coupled to each of the upper and lower rear ends so as to be assembled and assembled by the upper and lower deployment doors 30.

The brackets 40 and 41 have a configuration that allows the storage frame 50 in which the airbag module 51 is mounted to be fixed through a fastening means made of a bolt or a nut.

In addition, the frame 20 is connected to the anti-noise pad 25 of the polyurethane foam (polyurethane foam) fused to prevent the impact sound due to the impact during the deployment of the air bag at the lower end.

In addition, the storage frame 50 is an airbag module 51 filled with a gas so that the airbag is inflated is preserved in a predetermined shape inside the storage frame 50 before the airbag inflated and then expanded up and down when the expansion and deployment door 30 It is supposed to push out.

In this case, the airbag of the airbag module 51 is used a nylon, which is a general technical configuration to maintain a proper reaction force, the inside is coated with neoprene (neoprene) or silicon (silicon) to maintain airtightness and gas generating means (not even It is to be the same as the general technical idea that the vent hole (not shown) is formed so that the gas of the si) can flow into the inside and expand by the gas pressure.

The gas generating means is ignited by electric current from a storage capacitor or a battery starting from an electronic unit when a collision sensor (not shown) is connected in the same way as general technical idea. The electrical signal is converted into thermal energy. To ignite the ignition material (typically sodium oxide mixture). Ignite decomposition products are residues of gases, sodium, metals, etc. This decomposition product is caught by a filter in the gas generator and nitrogen gas enters the airbag. All of these operations have a basic configuration that takes place within about 0.05 seconds from the start of the gas generating means at the start pulse until the airbag is fully inflated.

Referring to the effects of the present invention configured as described above in detail.

The present invention is to facilitate the deployment of the airbag for the safety of the passenger, as shown in Figures 1 to 2 to protect the passengers against collision accidents occurring within the range of ± 30 ° of the vehicle traveling direction and The airbag module 51 is installed in the instrument panel 10 located in the auxiliary seat in front of the vehicle interior to prevent direct collision with the vehicle internal devices, and the airbag pushes up and down the deployment door 30 when the vehicle collides. Therefore, the safety of the passengers is to be maintained.

Also, the instrument panel 10 vibrates and fuses the frame 20 so that the airbag module 51 of the storage frame 50 can be deployed smoothly, and the storage frame having the airbag module 51 mounted on the frame 20. 50 is fixed to connect the brackets 40, 41 already assembled and connected.

When the airbag is deployed, the housing frame 50 pushes the vertical development door 30 forward while the airbag module 51 mounted therein is expanded by receiving the gas pressure of the gas generating means instantaneously by an external impact. As the 10 is deployed, it is possible to protect the occupants with the inflated airbags.

Here, the up-and-down deployment door 30 is to deploy the air bag in the airbag module 51 of the storage frame 50 at this time, the airbag in the separation groove 31 formed in the up and down deployment door 30 by the impact energy by the expansion As the separation groove 31 is torn at a moment, the upper and lower deployment doors 30 are divided up and down, and the airbag passes through the through-hole 21 of the frame 20 to face the instrument panel 10.

The airbag is divided into the upper and lower deployment doors 30 by the inflation force and the upper and lower incisions, and at the same time the laser groove cutout 11 formed by the "H" of the instrument panel 10 which is vibrated and fused is cut and the airbag is deployed. You can protect.

In this way, the present invention acts as the instrument panel to protect the occupant by the deployment of the air bag to form a groove by using a laser in the H-shape of the English alphabet at a certain portion of the rear portion of the laser groove cutout and integrated up and down development door By connecting so that the airbag can be deployed up and down by the deployment force of the airbag is deployed, when the impact is applied to the outside airbag is smoothly deployed has the effect of protecting the passengers.

Claims (3)

The instrument panel 10 is mounted on the front of the vehicle to install various manipulations and instruments necessary for driving and to couple parts to the rear side, and the instrument panel 10 couples the fastening means to the upper and lower rear sides. A frame 20 having a coupling groove 21 formed therein and a through hole 23 formed at the center thereof, and brackets 40 and 41 respectively coupled to upper and lower ends of the rear end side of the frame 20; In the vehicle connected to the bracket 40, 41 is connected to the storage frame 50 is formed to accommodate the air bag of the air bag module 51 mounted therein, the instrument panel 10 is cut In order to protect the occupants by the deployment of the airbag, the laser groove incision 11, which is formed by using a laser in the H-shape of the English alphabet at a certain portion of the rear part, is coupled to the rear end of the frame 20 and externally. By the impact of the front side The hinge portion 32 is integrally connected to the upper portion so that the deployment can be made, and the groove is formed in the transverse direction at the center to be separated up and down by the deployment force of the airbag so that the separation groove 31 is formed to allow the deployment of the airbag. Passenger airbag connecting device made by connecting the deployment door (30). The passenger airbag connection of claim 1, wherein the vertical deployment door 30 is formed by a V-shaped groove of an English alphabet alphanet so that the airbag can be deployed while the separation groove 31 is torn up and down when the airbag is deployed. Device. 3. The passenger airbag connecting device according to claim 1 or 2, wherein the up-and-down developing door (30) is a thermoplastic olefin.