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KR20160063603A - hood pedestrian protection airbag assembly for automobile - Google Patents

hood pedestrian protection airbag assembly for automobile Download PDF

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Publication number
KR20160063603A
KR20160063603A KR1020140167036A KR20140167036A KR20160063603A KR 20160063603 A KR20160063603 A KR 20160063603A KR 1020140167036 A KR1020140167036 A KR 1020140167036A KR 20140167036 A KR20140167036 A KR 20140167036A KR 20160063603 A KR20160063603 A KR 20160063603A
Authority
KR
South Korea
Prior art keywords
pedestrian protection
protection airbag
hood
pedestrian
inflator
Prior art date
Application number
KR1020140167036A
Other languages
Korean (ko)
Inventor
강원상
Original Assignee
쌍용자동차 주식회사
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by 쌍용자동차 주식회사 filed Critical 쌍용자동차 주식회사
Priority to KR1020140167036A priority Critical patent/KR20160063603A/en
Publication of KR20160063603A publication Critical patent/KR20160063603A/en

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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60R—VEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISE PROVIDED FOR
    • B60R21/00—Arrangements or fittings on vehicles for protecting or preventing injuries to occupants or pedestrians in case of accidents or other traffic risks
    • B60R21/34—Protecting non-occupants of a vehicle, e.g. pedestrians
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60R—VEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISE PROVIDED FOR
    • B60R21/00—Arrangements or fittings on vehicles for protecting or preventing injuries to occupants or pedestrians in case of accidents or other traffic risks
    • B60R21/34—Protecting non-occupants of a vehicle, e.g. pedestrians
    • B60R21/36—Protecting non-occupants of a vehicle, e.g. pedestrians using airbags
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60R—VEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISE PROVIDED FOR
    • B60R21/00—Arrangements or fittings on vehicles for protecting or preventing injuries to occupants or pedestrians in case of accidents or other traffic risks
    • B60R21/34—Protecting non-occupants of a vehicle, e.g. pedestrians
    • B60R21/38—Protecting non-occupants of a vehicle, e.g. pedestrians using means for lifting bonnets
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
    • B62D—MOTOR VEHICLES; TRAILERS
    • B62D25/00—Superstructure or monocoque structure sub-units; Parts or details thereof not otherwise provided for
    • B62D25/08—Front or rear portions
    • B62D25/081—Cowls
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
    • B62D—MOTOR VEHICLES; TRAILERS
    • B62D25/00—Superstructure or monocoque structure sub-units; Parts or details thereof not otherwise provided for
    • B62D25/08—Front or rear portions
    • B62D25/10—Bonnets or lids, e.g. for trucks, tractors, busses, work vehicles
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
    • B62D—MOTOR VEHICLES; TRAILERS
    • B62D25/00—Superstructure or monocoque structure sub-units; Parts or details thereof not otherwise provided for
    • B62D25/24—Superstructure sub-units with access or drainage openings having movable or removable closures; Sealing means therefor
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60R—VEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISE PROVIDED FOR
    • B60R21/00—Arrangements or fittings on vehicles for protecting or preventing injuries to occupants or pedestrians in case of accidents or other traffic risks
    • B60R2021/003—Arrangements or fittings on vehicles for protecting or preventing injuries to occupants or pedestrians in case of accidents or other traffic risks characterised by occupant or pedestian
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60R—VEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISE PROVIDED FOR
    • B60R21/00—Arrangements or fittings on vehicles for protecting or preventing injuries to occupants or pedestrians in case of accidents or other traffic risks
    • B60R21/34—Protecting non-occupants of a vehicle, e.g. pedestrians
    • B60R2021/343—Protecting non-occupants of a vehicle, e.g. pedestrians using deformable body panel, bodywork or components

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Transportation (AREA)
  • Superstructure Of Vehicle (AREA)

Abstract

BACKGROUND OF THE INVENTION 1. Field of the Invention [0001] The present invention relates to a pedestrian protection airbag assembly installation structure for a hood of an automobile, wherein a pedestrian airbag mounted on a cowl panel is exposed to a harsh environment, The airbag must have a layout that effectively blocks the heat coming from the engine room, and moisture may enter the pedestrian airbag cover. If the pedestrian collides with the front of the vehicle in a harsh environment, the pedestrian protection airbag cushion normally deploys. There was also a problem that the injuries of the pedestrians become large.
Accordingly, the present invention provides a pedestrian protection airbag installation structure for a hood of a car, which is installed under the hood of a car in order to protect the pedestrian when the pedestrian collides with the vehicle from the front of the vehicle, A hood inner panel 120 is provided at a lower portion of the hood inner panel 120 and a hood cowl top cover 150 is formed at a lower portion of the hood inner panel 120. The hood inner panel 120 is disposed between the hood inner panel 120 and the hood cowl top cover 150 A pedestrian protection airbag cushion and an inflator installation part 210 at the center and a pedestrian protection airbag cushion open cutout part 250 at one side, A fixing bolt 300 is coupled to a plurality of fixing bolt coupling flanges 230 formed on the outer circumference of the hood inner panel 120 to be fixedly coupled to a lower portion of the hood inner panel 120 of the hood assembly 100. [ An inflator 400 fixedly coupled to one side of the pedestrian protection airbag cushion and inflator installation part 210 of the pedestrian protection airbag lower cover 200 by an inflator fixing bracket 450, A pedestrian protection airbag cushion 500 installed adjacent to an inflator 400 fixedly coupled to one side of the pedestrian protection airbag cushion of the protection airbag lower cover 200 and the inflator installation part 210, And a pedestrian protection airbag upper cover 600 fixedly coupled to the upper portion of the pedestrian protection airbag lower cover 200 after the airbag cushion 500 is fixedly coupled to the pedestrian protection airbag cushion and inflator installation portion 210 .

Description

BACKGROUND OF THE INVENTION 1. Field of the Invention [0001] The present invention relates to a hood pedestrian protection airbag assembly for automobile,

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a pedestrian protection airbag assembly installation structure for a hood of an automobile, and more particularly, to a pedestrian protection airbag assembly for pedestrian protection of an automobile installed in a hood of a car in order to protect a pedestrian when a pedestrian collides In the airbag installation structure, the pedestrian protection airbag cushion and the inflator are installed inside the pedestrian protection airbag lower cover, and then the pedestrian protection airbag lower cover is fixedly attached to the lower part of the hood inner panel, but installed on the hood inner panel or the hood cowl top cover A pedestrian protection airbag assembly for a hood of a car developed to prevent the moisture introduced from the outside to the lower portion of the hood inner panel from penetrating into the airbag cover of the pedestrian protection structure To about A.

Generally, various kinds of airbags are provided in the interior of a vehicle to protect the driver and the occupant from the accident caused by the accident of the vehicle.

In recent years, however, a pedestrian protection airbag is installed in order to reduce the injury that a pedestrian collides with the front of the vehicle while the vehicle is running.

These pedestrian protection air bags are located underneath the cowl panel or hood panel as most of the pedestrian accidents occur when the head hits the engine at the bottom of the hood, the bottom of the windshield, and the front pillar (A-pillar) When the pedestrian collides with the front of the vehicle, it is deployed toward the front glass of the vehicle.

However, the construction of the pedestrian protection airbag assembly of such a vehicle has the following problems.

That is, the pedestrian airbag mounted on the cowl panel is heavy, expensive, and exposed to harsh environments, and the pedestrian protection airbag provided under the hood panel of the vehicle must have a layout that effectively blocks the heat coming from the engine room In addition, when the pedestrian collides with the front of the vehicle due to the damage to the harsh environment due to the inflow of moisture into the pedestrian airbag cover, the pedestrian protection airbag cushion can not be normally deployed.

SUMMARY OF THE INVENTION Accordingly, it is an object of the present invention to provide a pedestrian-protecting airbag cushion and an inflator inside a pedestrian-protecting airbag cover to effectively block moisture from entering the lower portion of the hood inner panel and heat from the engine room, The pedestrian protection airbag lower cover is fixedly connected to the lower part of the hood inner panel and the pedestrian protection airbag lower cover is provided adjacent to the sealing seal provided between the hood inner panel and the hood cowl top cover, The pedestrian protection airbag cushion provided at the lower part of the hood panel is damaged by the moisture introduced from the outside and the moisture inflow from the outside of the pedestrian protection airbag provided under the hood panel of the vehicle is damaged by the heat of the engine room, Lt; RTI ID = 0.0 > To provide pedestrian protection airbag cushions are installed mothamyeonseo been deployed successfully for pedestrian protection hood of a car fitted so that injuries can effectively solve the growing problem of pedestrian airbag assembly structure when dolhal.

The present invention provides a pedestrian protection airbag installation structure for an automobile installed at a lower portion of a hood of a vehicle to protect a pedestrian when the pedestrian collides with the vehicle from the front of the vehicle while the vehicle is running, wherein a hood outer panel is provided at an upper portion thereof, A hood inner panel, a hood cowl top cover formed at a lower portion of the hood inner panel, a hood assembly having a sealing seal between the hood inner panel and the hood cowl top cover, a pedestrian protection airbag cushion and an inflator installed at the center A pedestrian protection airbag cushion open incision part is formed on one side of the hood inner panel and a fixing bolt is coupled to a plurality of fixing bolt coupling flanges formed on an outer periphery of the hood inner panel, Lower cover; Pedestrian protection airbag lower cover A pedestrian protection airbag cushion and an inflator fixedly connected to the inflator mounting bracket at one side of the inflator mounting bracket; and a pedestrian protection airbag cushion and a pedestrian protection airbag cushion installed adjacent to the inflator, And a pedestrian protection airbag upper cover fixedly coupled to an upper portion of the pedestrian protection airbag lower cover after the inflator and the pedestrian protection airbag cushion are fixedly coupled to the pedestrian protection airbag cushion and the inflator installation portion.

The pedestrian protection airbag cover is provided at a lower side with a heater protector for blocking heat generated from the engine. The pedestrian protection airbag is prevented from being damaged by heat generated from the engine, and is installed under the hood inner panel of the hood assembly The pedestrian protection air bag lower cover is provided adjacent to the sealing seal provided between the hood inner panel and the hood cowl top cover so that the moisture introduced from the outside of the hood assembly does not damage the pedestrian protection air bag, The pedestrian protection airbag cushion open cut portion formed on one side of the cover is formed at the upper end in the direction of the sealing seal and the pedestrian protection airbag lower cover is formed on both sides of the pedestrian protective airbag lower cover to form hinged points for the pedestrian protection airbag cushion open cut- Cushion By forming below it to be deployed to that it can achieve the object of the present invention.

The present invention provides a pedestrian protection airbag installation structure for an automobile, the pedestrian protection airbag cushion and the inflator being installed at a lower portion of the hood of a vehicle to protect the pedestrian when the pedestrian collides with the vehicle from the front of the vehicle, The pedestrian protection airbag lower cover is fixedly connected to the lower part of the hood inner panel while the pedestrian protection airbag lower cover is provided adjacent to the sealing seal provided between the hood inner panel and the hood cowl top cover , It is effective that the moisture introduced from the outside into the lower portion of the hood inner panel does not penetrate into the inside of the pedestrian protection cover.

In addition, there is an effect that the moisture introduced from the outside to the lower part of the hood inner panel does not penetrate into the inside of the pedestrian protection cover, and the heat generated in the engine room is blocked by the heater protector, thereby prolonging the life of the pedestrian protection airbag.

1 is an exploded perspective view showing a pedestrian protection airbag assembly for hood attachment of a vehicle according to the present invention;
2 is a cross-sectional view illustrating a pedestrian protection airbag assembly installation structure for hood attachment of a vehicle according to the present invention.
3 is a front view showing a pedestrian protection airbag lower cover of a pedestrian protection airbag assembly for hood attachment of a vehicle according to the present invention.
4 is a side view showing a pedestrian protection airbag lower cover of a pedestrian protection airbag assembly for hood attachment of a vehicle according to the present invention.
5 is a plan view showing a pedestrian protection airbag assembly installation structure for hood attachment of a vehicle according to the present invention.
6 is a rear view showing a pedestrian protection airbag assembly installation structure for hood attachment of a vehicle according to the present invention.

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS Hereinafter, preferred embodiments of the present invention will be described in detail with reference to the accompanying drawings.

1 is a perspective view showing a pedestrian protection airbag assembly for a hood of a car according to the present invention, FIG. 2 is a sectional view showing a pedestrian protection airbag assembly installation structure for a hood of a car according to the present invention, and FIG. Fig. 4 is a side view showing a pedestrian protection airbag cover of a pedestrian protection airbag assembly for a hood of a car according to the present invention, and Fig. 4 is a side view showing a pedestrian protection airbag cover of a pedestrian protection airbag assembly for a hood of a car according to the present invention, FIG. 5 is a plan view showing a pedestrian protection airbag assembly installation structure for a hood attachment of a car according to the present invention, and FIG. 6 is a rear view illustrating a pedestrian protection airbag assembly installation structure for a hood attachment of a vehicle according to the present invention.

In the pedestrian protection airbag installation structure for a hood of a car, which is installed under the hood of a car in order to protect the pedestrian when the pedestrian collides with the front of the vehicle during the running of the vehicle, the hood outer panel 110 A hood inner panel 120 and a hood inner panel 120. The hood inner panel 120 and the hood cowl top cover 150 are formed at the lower portion of the hood inner panel 120. The hood inner panel 120 includes a hood inner panel 120, A pedestrian protection airbag cushion and an inflator installation part 210 at the center and a pedestrian protection airbag cushion open cutout part 250 at one side are formed A fixing bolt 300 is fixed to a lower portion of the hood inner panel 120 of the hood assembly 100 by coupling the fixing bolts 300 to a plurality of fixing bolt coupling flanges 230 formed on the outer periphery Lower issuer protection airbag cover (200); characterized in that it comprises a.

An inflator 400 fixedly coupled to the pedestrian protection airbag cushion of the pedestrian-protecting airbag lower cover 200 and the inflator mounting bracket 450 at one side of the inflator mounting portion 210 and the pedestrian- A pedestrian protection airbag cushion 500 installed adjacent to an inflator 400 fixedly connected to one side of the pedestrian protection airbag cushion and inflator installation part 210 and an inflator 400 and a pedestrian protection airbag cushion 500, And a pedestrian protection airbag upper cover 600 fixedly coupled to the upper portion of the pedestrian protection airbag cover 200 after being fixedly coupled to the airbag cushion and inflator installation portion 210.

In addition, the pedestrian protection airbag lower cover 200 includes a heater protector 700 for blocking heat generated from the engine at one side of the pedestrian protecting airbag lower cover 200, thereby preventing the pedestrian protecting airbag cushion 500 from being damaged by heat generated from the engine A pedestrian protection air bag lower cover 200 installed under the hood inner panel 120 of the hood assembly 100 is attached to the hood inner panel 120 and the hood crown top cover 150 through a sealing seal 160 So that water inflow from the outside of the hood assembly 100 does not damage the pedestrian protection airbag cushion 500.

Particularly, the pedestrian protection airbag cushion opening cut-off portion 250 formed at one side of the pedestrian protection airbag lower cover 200 is formed at the upper end in the direction of the sealing seal 160, and on both sides of the pedestrian protection airbag lower cover 200, The pedestrian protection airbag cushion opening incision part hinge point 260 is formed so that the pedestrian protection airbag cushion 500 can be easily deployed.

The present invention relates to a pedestrian protection airbag assembly installation structure for a hood of an automobile.

That is, a pedestrian protection airbag installation structure for a hood attachment of a car is provided under the hood of a car in order to protect a pedestrian when a pedestrian collides with the vehicle from the front of the vehicle while the vehicle is running. The pedestrian protection airbag A cover 200, an inflator 400, a pedestrian protection airbag cushion 500, and a pedestrian protection airbag upper cover 600.

At this time, a hood outer panel 110 is provided at an upper portion of the hood assembly 100, a hood inner panel 120 is provided at a lower portion thereof, and a hood crown top cover 150 is formed at a lower portion of the hood inner panel 120 A hermetic seal 160 is provided between the hood inner panel 120 and the hood cowl top cover 150 and a pedestrian protection airbag cushion and an inflator installation part 210 are provided at the center of the pedestrian- A pedestrian protection airbag cushion open cutout 250 is formed on one side of the hood assembly 100 and a fixing bolt 300 is coupled to a plurality of fixing bolt engagement flanges 230 formed on the outer periphery of the hood assembly 100, And is fixedly coupled to the lower portion of the hood inner panel 120. [

The inflator 400 is fixedly coupled to the pedestrian protection airbag cushion of the pedestrian protection airbag lower cover 200 and the inflator fixing bracket 450 at one side of the inflator installation part 210. The pedestrian- The pedestrian protection airbag cushion of the protection airbag lower cover 200 and the inflator 400 which is fixedly coupled to one side of the inflator installation part 210.

After the pedestrian protection airbag upper cover 600 inflator 400 and the pedestrian protection airbag cushion 500 are fixedly coupled to the pedestrian protection airbag cushion and inflator installation portion 210, As shown in Fig.

At this time, the pedestrian protection airbag lower cover 200 is provided at the lower side of the pedestrian protection airbag lower cover 200 with a heater protector 700 for blocking heat generated from the engine, thereby preventing the pedestrian protecting airbag cushion 500 from being damaged by heat generated from the engine It will be possible to do.

A pedestrian protection air bag lower cover 200 installed under the hood inner panel 120 of the hood assembly 100 is attached to the hood inner panel 120 and the hood crown top cover 150 through a sealing seal 160 The pedestrian protection airbag cushion 500 is prevented from being damaged by the moisture introduced from the outside of the hood assembly 100. The pedestrian protection airbag cushion 500 formed on one side of the pedestrian- The open cutout portion 250 is formed at the upper end in the direction of the sealing seal 160 and the pedestrian protection airbag cushion open cutout hinge point 260 is formed on both sides of the pedestrian protection airbag cover 200, The cushion 500 can be easily deployed.

100: hood assembly 110: hood outer panel
120: Hood inner panel 150: Hood cowl top cover
160: Sealing seal 200: Pedestrian protection air bag lower cover
210: pedestrian protection airbag cushion and inflator installation part
230: Fixing Bolt Coupling Flange
250: Pedestrian protection airbag opening cushion incision
260: Pedestrian protection airbag opening cushion incision hinge point
300: fixing bolt 400: inflator
450: Inflator fixing bracket 500: Pedestrian protection airbag cushion
600: Pedestrian protection airbag upper cover 700: Heater protector

Claims (4)

A pedestrian protection airbag installation structure for a hood of a vehicle, the pedestrian protection airbag structure being mounted on a lower portion of a hood of a vehicle for protecting a pedestrian when a pedestrian collides with the front of the vehicle during traveling of the vehicle,
A hood outer panel 110 is provided on the upper portion and a hood inner panel 120 is provided on the lower portion and a hood cowl top cover 150 is formed on a lower portion of the hood inner panel 120. The hood inner panel 120, A hood assembly 100 having a hermetic seal 160 between the hood-cowl top cover 150;
A pedestrian protection airbag cushion opening cutout part 250 is formed at one side of the pedestrian protection airbag cushion and inflator installation part 210 at the center and a pedestrian protection airbag cushion open cutout part 250 fixed to a plurality of fixing bolt engagement flanges 230 formed on the outer periphery A pedestrian protection air bag lower cover 200 fixedly coupled to a lower portion of the hood inner panel 120 of the hood assembly 100 by coupling bolts 300
An inflator 400 fixedly coupled to one side of the pedestrian protection airbag cushion and inflator installation part 210 of the pedestrian protection airbag lower cover 200 by an inflator fixing bracket 450;
A pedestrian protection airbag cushion 500 installed adjacent to an inflator 400 fixedly coupled to one side of a pedestrian protection airbag cushion of the pedestrian protection airbag lower cover 200 and an inflator installation part 210;
A pedestrian protection airbag upper cover 600 fixedly coupled to the upper portion of the pedestrian protection airbag lower cover 200 after the inflator 400 and the pedestrian protection airbag cushion 500 are fixedly coupled to the pedestrian protection airbag cushion and inflator installation portion 210 );
Wherein the pedestrian protection airbag assembly is mounted on the hood.
The method according to claim 1,
A heater protector 700 for blocking heat generated from the engine is provided on a lower side of the hood-mounting pedestrian protection air bag lower cover 200,
A pedestrian protection airbag assembly installation structure for a hood of a vehicle, the pedestrian protection airbag being prevented from being damaged by heat generated from the engine.
The method according to claim 1,
A pedestrian protection air bag lower cover 200 installed under the hood inner panel 120 of the hood assembly 100 is connected to a sealing seal 160 provided between the hood inner panel 120 and the hood crown top cover 150 In addition,
So that moisture introduced from the outside of the hood assembly (100) does not damage the pedestrian protection airbag cushion (500).
The method according to claim 1,
The pedestrian protection airbag lower cover 200 formed at one side of the pedestrian protection airbag lower cover 200 is formed at the upper end of the pedestrian protection airbag lower cover 200 in the direction of the sealing seal 160, An airbag cushion open cutout hinge point 260 is formed,
So that the pedestrian protection airbag cushion (500) can be easily deployed.
KR1020140167036A 2014-11-27 2014-11-27 hood pedestrian protection airbag assembly for automobile KR20160063603A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
KR1020140167036A KR20160063603A (en) 2014-11-27 2014-11-27 hood pedestrian protection airbag assembly for automobile

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
KR1020140167036A KR20160063603A (en) 2014-11-27 2014-11-27 hood pedestrian protection airbag assembly for automobile

Publications (1)

Publication Number Publication Date
KR20160063603A true KR20160063603A (en) 2016-06-07

Family

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Family Applications (1)

Application Number Title Priority Date Filing Date
KR1020140167036A KR20160063603A (en) 2014-11-27 2014-11-27 hood pedestrian protection airbag assembly for automobile

Country Status (1)

Country Link
KR (1) KR20160063603A (en)

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