KR20220135479A - Seat side air-bag for vehicle - Google Patents

Abstract

According to the present invention, disclosed is a seat side airbag of a vehicle, which comprises: a first cushion mounted on a side surface of a vehicle center portion of a first seat of a vehicle and expanded toward a front side of the vehicle from the first seat during expansion to be positioned on a side surface of a passenger on the first seat; and a second cushion connected to a lateral side of the vehicle center portion of the first cushion to be expanded with the first cushion and supported by a second seat disposed on the lateral side of the vehicle center portion of the first seat during expansion.

Description

Seat side airbag in vehicle {SEAT SIDE AIR-BAG FOR VEHICLE}

BACKGROUND OF THE INVENTION 1. Field of the Invention [0001] The present invention relates to a seat side airbag of a vehicle, and more particularly, to a seat side airbag that is installed and deployed on a seat side of a center side of a vehicle.

In general, an airbag is installed in a vehicle to protect an occupant. Airbags are installed in various locations depending on the body part to be protected. A far-side airbag is placed between the driver's seat and the front passenger's seat. In the case of a side collision of the vehicle, the driver and the passenger seated next to the driver and the passenger seated next to it are prevented from colliding with each other as the front airbag is deployed upward. The front side airbag has a large size and volume to suppress bending to the passenger side when the passenger seat is empty.

The conventional front side airbag may contact the center console located between the seats to block the flow after deployment, or a separate tether may be provided to block the flow after deployment.

However, as a new vehicle is developed, the center console cannot be contacted in a vehicle in which the center console is not formed, and there is a problem in that the cost rises and the process is added when manufacturing a separate tether.

The matters described as the background art above are only for improving the understanding of the background of the present invention, and should not be taken as an acknowledgment that they correspond to the prior art already known to those of ordinary skill in the art.

KR 10-2020-0016548 A

The present invention has been proposed to solve this problem, and is connected to the first cushion and the first cushion that are deployed forward from the side of the first seat on the central side of the vehicle, and is deployed from the side of the first cushion to the first seat and the vehicle A second cushion supported on the second seat spaced apart in the left and right direction of the is provided to prevent the passengers inside the vehicle from colliding with each other in the event of a vehicle collision.

A side airbag of a vehicle according to the present invention comprises: a first cushion mounted on a side of a vehicle center of a vehicle first seat, deployed from the first seat to the front of the vehicle when deployed, and positioned on the side of a first seat passenger; and a second cushion connected to the side of the vehicle center of the first cushion, deployed together with the first cushion, and supported by the second seat disposed on the side of the vehicle center of the first seat when deployed.

It may further include; an inflator connected to the first cushion or the second cushion to inject gas to deploy the first cushion and the second cushion.

The inflator is connected to the first cushion, and a communication unit for communicating the first cushion and the second cushion; further included, the first cushion and the second cushion may be simultaneously deployed through the communication unit.

The inflator and the communication part are spaced apart from each other so that the first cushion is deployed first, and then the second cushion can be deployed.

Further comprising; a sewing part for preventing rearward deployment of the second cushion by simultaneously sewing a portion of the first cushion and the second cushion It may be spaced apart from the front side of the communication part.

It may further include a; sewing part for preventing the rear deployment of the second cushion by sewing a portion of the first cushion and the second cushion at the same time.

The first cushion and the second cushion may be formed by manufacturing two cushions with one panel.

The first cushion and the second cushion may be positioned on the upper side of the first seat, and the second cushion may be connected to the rear side of the first cushion and deployed in an oblique direction from the front to be supported by the second seat.

The inflator may include a protector to prevent the cushion from being damaged by an explosion.

It may further include; a cushion housing positioned on the side of the first seat and accommodating the first cushion and the second cushion.

The side airbag of the vehicle according to the present invention is connected to the first cushion and the first cushion deployed forward from the center side side of the vehicle of the first seat and deployed to the side of the first cushion in the left and right direction of the first seat and the vehicle A second cushion supported on the second seat disposed spaced apart is provided and deployed in the event of a vehicle collision to prevent collisions between passengers, and the second cushion is supported by the second seat to prevent the first cushion from flowing. can have an effect.

In addition, as the second cushion is supported on the second sheet, there is no need to form a separate tether for supporting the first cushion, thereby reducing costs and simplifying the manufacturing process.

1 is a front view of a side airbag of a vehicle according to an embodiment of the present invention;
2 is a plan view of a side airbag of a vehicle according to an embodiment of the present invention;
3 is a side view of a side airbag of a vehicle according to an embodiment of the present invention;
4 is a cross-sectional view taken along the AA of FIG. 3 ;
5 is a cross-sectional view taken along line BB of FIG. 3 ;
6 is a view showing a manufacturing process of a side airbag of a vehicle according to an embodiment of the present invention;
7 is a view showing a state in which the first cushion and the second cushion are accommodated in the cushion cover according to an embodiment of the present invention;
8 is a diagram illustrating an inflator and a protector according to an embodiment of the present invention.

Specific structural or functional descriptions of the embodiments of the present invention disclosed in the present specification or application are only exemplified for the purpose of describing the embodiments according to the present invention, and the embodiments according to the present invention are implemented in various forms. and should not be construed as being limited to the embodiments described in the present specification or application.

Since the embodiment according to the present invention may have various changes and may have various forms, specific embodiments will be illustrated in the drawings and described in detail in the present specification or application. However, this is not intended to limit the embodiment according to the concept of the present invention with respect to a specific disclosed form, and should be understood to include all changes, equivalents or substitutes included in the spirit and scope of the present invention.

Terms such as first and/or second may be used to describe various elements, but the elements should not be limited by the terms. The above terms are used only for the purpose of distinguishing one element from another element, for example, without departing from the scope of the present invention, a first element may be called a second element, and similarly The second component may also be referred to as the first component.

When a component is referred to as being “connected” or “connected” to another component, it may be directly connected or connected to the other component, but it is understood that other components may exist in between. it should be On the other hand, when it is said that a certain element is "directly connected" or "directly connected" to another element, it should be understood that the other element does not exist in the middle. Other expressions describing the relationship between elements, such as "between" and "immediately between" or "neighboring to" and "directly adjacent to", etc., should be interpreted similarly.

The terms used herein are used only to describe specific embodiments, and are not intended to limit the present invention. The singular expression includes the plural expression unless the context clearly dictates otherwise. As used herein, terms such as “comprise” or “have” are intended to designate that an embodied feature, number, step, action, component, part, or combination thereof exists, and is intended to indicate that one or more other features or numbers are present. , it should be understood that it does not preclude the existence or addition of steps, operations, components, parts, or combinations thereof.

Unless defined otherwise, all terms used herein, including technical and scientific terms, have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. Terms such as those defined in commonly used dictionaries should be interpreted as meanings consistent with the context of the related art, and unless explicitly defined in the present specification, they are not to be interpreted in an ideal or excessively formal meaning. .

Hereinafter, the present invention will be described in detail by describing preferred embodiments of the present invention with reference to the accompanying drawings. Like reference numerals in each figure indicate like elements.

1 is a front view of a side airbag 100 of a vehicle according to an embodiment of the present invention, FIG. 2 is a plan view of a side airbag 100 of a vehicle according to an embodiment of the present invention, and FIG. 3 is an example of the present invention It is a side view of the side airbag 100 of a vehicle according to an embodiment.

A preferred embodiment of the side airbag 100 of a vehicle according to the present invention will be described with reference to FIGS. 1 to 3 .

The side airbag 100 of the vehicle according to the present invention is mounted on the side of the vehicle center portion of the vehicle first seat 200, and is deployed from the first seat 200 to the front of the vehicle when deployed, and the first seat 200 passenger A first cushion (10) located on the side of the; And it is connected to the side of the vehicle center of the first cushion 10 and is deployed together with the first cushion 10, supported by the second seat 300 disposed on the side of the vehicle center of the first seat 200 when deployed. A second cushion (20) that is; includes.

1 to 3 , the side airbag 100 of the vehicle according to the present invention has a first seat provided in the vehicle to prevent collisions between passengers inside the vehicle during a front collision, a side collision, or an inclined collision of the vehicle. It is mounted on the side of the seatback 210 on the side of the vehicle center of the 200 , the first cushion 10 is deployed forward and positioned on the passenger's side, and the second cushion 20 is connected to the first cushion 10 . and is supported by the second seat 300 disposed on the side of the vehicle center of the first seat 200 to prevent movement in the lateral direction of the vehicle, which is the first cushion 10, and is seated on the first seat 200 There is an effect that can prevent the first cushion 10 from moving to the side by the impact of the passenger.

For this reason, the first cushion 10 and the second cushion 20 are positioned between the first seat 200 and the second seat 300 , and the passenger seated on the first seat 200 and the second seat 300 . It has the effect of preventing secondary accidents occurring inside the vehicle by preventing the collision between them.

In addition, as the second cushion 20 is supported by the second sheet 300 to support the first cushion 10, a separate tether for supporting the first cushion 10 is not required, thereby reducing the cost. And there is an effect that can simplify the manufacturing process.

The inflator 30 is connected to the first cushion 10 or the second cushion 20 and injects gas to deploy the first cushion 10 and the second cushion 20; may further include.

The inflator 30 is mounted on the first seat 200 together with the first cushion 10 and the second cushion 20 and may be connected to the first cushion 10 or the second cushion 20 .

In addition, by receiving a detection signal detected by a collision detection sensor provided in the vehicle, the gunpowder inside is exploded, and gas is injected into the first cushion 10 and the second cushion 20 to be deployed.

The inflator 30 is connected to the first cushion 10, and a communication part 40 for communicating the first cushion 10 and the second cushion 20; further includes, the first cushion 10 and the first cushion 10 Two cushions 20 may be simultaneously deployed through the communication unit 40 .

FIG. 4 is a cross-sectional view taken along line A-A of FIG. 3 , and FIG. 5 is a cross-sectional view taken along line B-B of FIG. 3 .

3 and 5, the first cushion 10 and the second cushion 20 may be connected by a communication part 40, and the inflator 30 is the first cushion 10 or the second cushion When the gas is connected to the 20 and the first cushion 10 or the second cushion 20 is injected, the gas flows by the communication unit 40, so that each cushion can be sequentially deployed.

The inflator 30 and the communication part 40 are spaced apart from each other so that the first cushion 10 is deployed first, and then the second cushion 20 can be deployed.

In FIG. 3 , the inflator 30 is connected to the lower portion of the first cushion 10 to first deploy the first cushion 10 by injecting gas into the first cushion 10 , and the communication part 40 is the inflator 30 . ) is spaced apart from the mounting position of the first cushion 10 in the vertical direction, and the gas injected into the first cushion 10 first deploys the first cushion 10, and then through the communication unit 40, the second The second cushion 20 may be deployed by moving to the cushion 20 .

Through this, the first cushion 10 is first deployed to protect the passenger seated on the first seat 200 , and the second cushion 20 is sequentially deployed and supported by the second seat 300 to protect the first seat 200 . There is an effect that can prevent the cushion 10 from moving to the deployed position.

The first cushion 10 and a portion of the second cushion 20 are sewn together at the same time to prevent the rearward deployment of the second cushion 20; The cushion 10 and the second cushion 20 are connected to the rear side, and the sewing part 50 may be spaced apart from the front side of the communication part 40 .

As shown in FIG. 3 , the communication unit 40 may be located on the rear upper side of the first cushion 10 and the second cushion 20 , and the sewing unit 50 is spaced apart from the communication unit 40 to the front side. can be positioned.

After the first cushion 10 is deployed through the sewing unit 50 , when the second cushion 20 is deployed, the second cushion 20 prevents the second cushion 20 from being deployed to the rear of the second seat 300 , and the second cushion (20) may be deployed in the front oblique line of the vehicle in the first cushion (10) to be supported on the side side of the second cushion (20).

In addition, as the sewing part 50 is positioned to be spaced apart from the communication part 40 in the front, there is an effect that the second cushion 20 can effectively block the ampoule deployed to the rear.

As an embodiment different from the limitation of the position of the sewing part 50 above, a sewing part ( 50); may further include.

The sewing part 50 is a first cushion 10 and a second cushion as another embodiment and another embodiment disposed at a position spaced apart in the direction in which the first cushion 10 is deployed in the communication part 40 described above. When the second cushion 20 is deployed through the communication part 40 after the first cushion 10 is deployed by sewing a part of the 20 to the human body, the second cushion 20 is the second seat 300 ) can be prevented from developing backwards.

In addition, in the embodiment of the present invention, although the shape of the sewing part 50 is shown in a circular shape as shown in FIG. 3 , the sewing part 50 may be formed in various shapes, and the The location may be set by the designer.

6 is a diagram illustrating a manufacturing process of the side airbag 100 of a vehicle according to an embodiment of the present invention.

The first cushion 10 and the second cushion 20 may be formed by manufacturing two cushions with one panel.

As shown in Figure 6, the first cushion 10 and the second cushion 20 are the first cushion 10 and the second cushion 20 by sewing the edges in a state in which one panel is folded so that both sides overlap. It is possible to form the communication portion 40 in a state in which a portion of the central portion connected to each other is not sewn, and then to form the sewing portion 50 in which the first cushion 10 and the second cushion 20 are sewn to each other. can

Through this, one panel can be manufactured with two cushions, there is no need to form a separate communication part 40 penetrating through the panel, and it is not necessary to use multiple panels, thereby reducing cost and simplifying the production process. can have an effect.

The first cushion 10 and the second cushion 20 are positioned on the upper side of the first sheet 200 , and the second cushion 20 is connected to the rear side of the first cushion 10 in an oblique direction from the front. It may be deployed and supported on the second sheet 300 .

As shown in FIGS. 1 to 2 , the first cushion 10 and the second cushion 20 are mounted on the upper side of the first sheet 200 so that the first cushion 10 is of the first seat 200 . Deployed in front of the vehicle from the side, the second cushion 20 may be deployed diagonally forward of the vehicle from the side of the first cushion 10 to be supported on the side of the second cushion (20).

Through this, the first cushion 10 and the second cushion 20 are deployed regardless of whether the center console positioned between the first cushion 10 and the second cushion 20 is deployed and deployed after the second cushion ( 20) is supported on the second seat 300 to prevent a collision between the passengers seated on the first seat 200 and the second seat 300.

7 is a view showing a state in which the first cushion 10 and the second cushion 20 are accommodated in the cushion cover according to an embodiment of the present invention, and FIG. 8 is an inflator 30 according to an embodiment of the present invention. ) and a view showing the protector (31).

The inflator 30 may include a protector 31 for preventing the cushion from being damaged by an explosion.

As shown in FIG. 8, a protector 31 formed in a shape surrounding the inflator 30 is provided at the end of the inflator 30, and the protector 31 is a first cushion when the gunpowder provided inside the inflator 30 explodes. (10) or by damaging the second cushion 20, there is an effect that can prevent a situation in which the first cushion 10 and the second cushion 20 are not deployed.

It is located on the side of the first seat 200 and the cushion housing 110 in which the first cushion 10 and the second cushion 20 are accommodated; may further include.

The first cushion 10 and the second cushion 20 may be accommodated in the cushion housing 110 and disposed on the side of the first seat 200 , and before deployment by the cushion housing 110 , the first cushion ( 10) and the second cushion 20 can prevent foreign substances from entering the inside, and it is possible to prevent the first cushion 10 and the second cushion 20 from being damaged by an external impact.

Although shown and described in relation to specific embodiments of the invention, it is common in the art that the present invention can be variously improved and changed without departing from the spirit of the present invention provided by the following claims. It will be self-evident to those who have the knowledge of

10: first cushion
20: second cushion
30: Inflator
31 : protector
40: communication part
50: sewing part
100: side airbag
110: cushion housing
200: first sheet
210: seat back
300: second sheet

Claims (10)

a first cushion mounted on the side of the vehicle center of the first seat of the vehicle and deployed from the first seat to the front of the vehicle when deployed and positioned on the side of the first seat passenger; and
A seat side airbag of a vehicle including a; a second cushion connected to the side of the vehicle center of the first cushion and deployed together with the first cushion, and supported by a second seat disposed on the side of the vehicle center of the first seat when deployed. . The method according to claim 1,
The seat side airbag of a vehicle according to claim 1, further comprising: an inflator connected to the first cushion or the second cushion to deploy the first cushion and the second cushion by injecting gas. 3. The method according to claim 2,
The inflator is connected to the first cushion,
A communication unit for communicating the first cushion and the second cushion; is further included,
A seat side airbag for a vehicle, characterized in that the first cushion and the second cushion are simultaneously deployed through the communication part. 4. The method of claim 3,
A seat side airbag for a vehicle, characterized in that the inflator and the communication unit are spaced apart from each other so that the first cushion is deployed first, and then the second cushion is deployed. 4. The method of claim 3,
It further includes; a sewing part for preventing the rear deployment of the second cushion by sewing a portion of the first cushion and the second cushion at the same time,
A seat side airbag for a vehicle, characterized in that the communication part is located on a rear side where the first cushion and the second cushion are connected, and the sewing part is spaced apart from the front side of the communication part. The method according to claim 1,
The seat side airbag of the vehicle further comprising a sewing part for preventing rearward deployment of the second cushion by sewing a portion of the first cushion and the second cushion at the same time. The method according to claim 1,
A seat side airbag for a vehicle, characterized in that the first cushion and the second cushion are formed by manufacturing two cushions from one panel. The method according to claim 1,
The first cushion and the second cushion are located on the upper side of the first seat,
The second cushion is connected to the rear side of the first cushion and is deployed in a diagonal direction from the front to be supported by the second seat. 3. The method according to claim 2,
A seat side airbag for a vehicle, characterized in that the inflator includes a protector to prevent the cushion from being damaged by an explosion. The method according to claim 1,
A seat side airbag for a vehicle, characterized in that it further includes a cushion housing positioned on the side of the first seat and accommodating the first cushion and the second cushion.

Images