Remote airbag device for a vehicle

Abstract

This disclosure relates to a distal airbag device for a vehicle and provides a configuration comprising: an airbag cushion embedded in a seat back and inflating and deploying in the event of a side impact to correspond to the side of an occupant's upper body; an inflator configured to generate gas upon impact detection signal and supply gas to the airbag cushion in the event of a side impact; and a restraining member mounted in the airbag cushion and configured to restrict the deployment shape of the airbag cushion, thereby safely protecting the occupant by controlling the deployment shape of the airbag cushion of the distal airbag device to make near contact with the side of the occupant and preventing the formation of a space between the occupant and the airbag cushion and preventing lateral movement of the occupant.

Description

Technical Field

[0001] This disclosure relates to a remote airbag device for a vehicle, and more specifically to a remote airbag device for a vehicle that protects occupants by preventing collisions between occupants in the event of a side collision. Background Technology

[0002] Generally speaking, a vehicle airbag system is a safety device used to protect passengers by injecting gas into the airbag and rapidly inflating it based on signals from collision detection sensors when a vehicle collision occurs.

[0003] These airbag devices are installed in the steering wheel, dashboard, seats, side walls, etc. of a vehicle, and protect the occupants by inflating towards the front or side of the occupants when a collision occurs.

[0004] That is, the vehicle may be equipped with frontal airbags that deploy in front of the driver’s seat and passenger seat, curtain airbags and side airbags that deploy from the location of a side collision (hereinafter referred to as the “collision side”), and knee airbags to protect the passenger’s knees.

[0005] Side airbags may include a proximal airbag and a distal or central airbag. The proximal airbag inflates and deploys between the passenger and a vehicle structural member such as a door, and protects the occupant from the impact of a side collision on the vehicle structural member that protrudes inward. The distal or central airbag restricts the occupant's movement into the vehicle as a result of a side collision.

[0006] In the event of a vehicle collision, the distal airbag can deploy between the occupant and the occupant sitting next to them, and can perform functions such as preventing collisions between occupants, reducing the impact on the occupants, and preventing occupants from being ejected from the vehicle due to the impact.

[0007] For example, the applicant has filed a patent application by disclosing the structure of the distal airbag device in Patent Document 1 and Patent Document 2 below.

[0008] To perform the above functions, the distal airbag should stably support the occupant and absorb the impact upon contact with the occupant.

[0009] For example, Figure 1 This is a view showing the deployment state of the distal airbag in the relevant technology.

[0010] like Figure 1 As shown, the distal airbag 1 in the related technology is not supported by any structure to prevent the airbag 1 from rotating or moving due to the characteristics of the airbag installation position.

[0011] Therefore, in this technology, the distal airbag 1 inflates and deploys from a frame (not shown) installed in the backrest 4 of the seat 3 during initial deployment. Thus, the distal airbag 1 does not make close contact with the side of the occupant 2, but inflates and deploys towards the opposite occupant.

[0012] As described above, the occupant 2 and the airbag 1 are spaced apart from each other and form a space (S). Therefore, the related technology of the distal airbag can have the limitation of safely protecting the occupant 2 moving toward the side of the vehicle.

[0013] That is, in order to prevent collisions between occupants 2, the distal airbag 1 should inflate upwards in almost the vertical direction to make contact with the side of occupant 2. However, in related technologies, the distal airbag 1 may deploy towards the opposite occupant upon initial deployment. Therefore, there may be a problem that it cannot prevent occupant injury caused by lateral movement of the occupant.

[0014] (Patent Document 1) Korean Patent Registration No. 10-1916007 (Published on November 8, 2018)

[0015] (Patent Document 2) Korean Patent Registration No. 10-1781387 (Published on February 20, 2017) Summary of the Invention

[0016] Technical issues

[0017] The purpose of this disclosure is to solve the above-mentioned problems and to provide a remote side airbag device for a vehicle that prevents collisions between occupants by inflating and deploying between occupants in the event of a side collision.

[0018] Another object of this disclosure is to provide a remote side airbag device for a vehicle that prevents lateral movement of the occupant by inflating and deploying upward near the side of the occupant.

[0019] Solution to the problem

[0020] To achieve the above objectives, the vehicle's distal airbag device according to this disclosure includes: an airbag cushion embedded in the back of a seat and inflating and deploying in the event of a side impact to correspond to the side of the occupant's upper body; an inflator configured to generate gas via an impact detection signal and supply gas to the airbag cushion in the event of a side impact; and a restraining member mounted in the airbag cushion and configured to restrict the deployment shape of the airbag cushion, wherein the airbag cushion inflates and deploys in an upward direction from the occupant's side due to the restraining member to prevent lateral movement of the occupant.

[0021] Advantages of the present invention

[0022] According to the vehicle remote airbag device of the present disclosure as described above, by controlling the deployment shape of the airbag cushion of the remote airbag device to make almost contact with the side of the occupant, and preventing the formation of a space between the occupant and the airbag cushion, and preventing lateral movement of the occupant, the device has the effect of safely protecting the occupant.

[0023] That is, according to this disclosure, the first fastening member is installed at the center of the outer and inner panels of the airbag cushion, thereby having the effect of controlling the deployment shape (i.e. deployment thickness and direction) of the center of the airbag cushion.

[0024] According to this disclosure, one end of the second fastener connected to the outer panel is positioned further back than the other end of the second fastener connected to the inner panel, thereby having the effect of controlling the deployment of the airbag cushion to allow the upper chamber of the airbag cushion to bend toward the front of the occupant.

[0025] Therefore, according to this disclosure, by controlling the deployment shape to allow the upper chamber of the airbag cushion to face the upper part of the occupant's upper body, especially the front of the head, the occupant's head is safely protected.

[0026] Furthermore, according to this disclosure, the outer panel of the airbag cushion is formed to have a larger cross-sectional area than the inner panel, and a folded portion is formed at the center of the outer panel to have overlapping portions, thereby having the effect of controlling the deployment shape of the upper chamber of the airbag cushion.

[0027] Therefore, according to this disclosure, by controlling the deployment shape of the airbag cushion to make almost contact with the side of the occupant through the folded portion and the first fastening member, and preventing lateral movement of the occupant caused by the space between the occupant and the airbag cushion, the airbag cushion effectively protects the occupant. Attached Figure Description

[0028] Figure 1 This is a view showing the deployment state of the distal airbag in the relevant technology;

[0029] Figure 2 and Figure 3 These are a front view and a side view showing the airbag cushion in the distal airbag device of a vehicle according to a first embodiment of the present disclosure in the deployed state.

[0030] Figure 4 This is an unfolded view showing the state in which the limiting member is mounted on the inner surface of the outer panel;

[0031] Figure 5 It is along Figure 4 A sectional view taken by line A-A';

[0032] Figure 6 It is along Figure 4 A sectional view taken by line B-B';

[0033] Figure 7 and Figure 8 This is an operational state view showing the operational state of the remote airbag device of a vehicle according to a first embodiment of the present disclosure;

[0034] Figure 9 and Figure 10 These are a front view and a side view showing the airbag cushion in the distal airbag device of a vehicle according to a second embodiment of the present disclosure in the deployed state.

[0035] Figure 11 It shows that the limiting member is installed as... Figure 9 A side view showing the state of the inner surface of the outer panel.

[0036] Figure 12 yes Figure 11 The unfolded view of the inner and outer panels is shown; and

[0037] Figure 13 It is along Figure 11 A sectional view taken by line A-A'.

[0038] Best way to carry out the invention

[0039] In the following, a preferred embodiment of a vehicle according to the present disclosure will be described in detail with reference to the accompanying drawings.

[0040] The following describes the construction of a distal airbag device for preventing a collision between occupants seated in the driver's seat and the passenger seat; however, this disclosure is not limited thereto, and it should be noted that this disclosure may be modified to be applicable to the second or third row depending on the vehicle configuration.

[0041] In the following text, the direction from the driver's seat toward the front of the vehicle is referred to as "forward direction (F)," and the direction toward the rear of the vehicle is referred to as "rearward direction (B)." Along with these terms, terms indicating directions such as "left (L)," "right (R)," "upward (U)," and "downward (D)" are defined as indicating the corresponding directions relative to the aforementioned forward and rearward directions.

[0042] Along with these terms, the direction from the airbag cushion toward the occupant is referred to as the "inner side" relative to the occupant, and the opposite direction is referred to as the "outer side".

[0043] Therefore, the forward and backward (F, B) directions, left and right (L, R) directions, and the inside (I) and outside (O) directions of the vehicle can be represented as horizontal directions, and the upward and downward (U, D) directions of the vehicle can be represented as vertical directions.

[0044] [First Implementation Plan]

[0045] Figure 2 and Figure 3 These are a front view and a side view showing the airbag cushion in the distal airbag device of a vehicle according to a first embodiment of the present disclosure in the deployed state.

[0046] like Figure 2 and Figure 3 As shown, the remote airbag device for a vehicle according to a first embodiment of the present disclosure includes: an airbag cushion 20 embedded in the backrest 12 of a seat 11 and inflating and deploying in the event of a side impact to correspond to the side of the occupant's upper body; an inflator 30 that generates gas according to an impact detection signal and supplies gas to the airbag cushion 20 in the event of a side impact; and a restraining member 40 installed in the airbag cushion 20 to restrict the deployment shape, thereby causing the airbag cushion 20 to inflate and deploy in an upward direction with almost contact with the side of the occupant.

[0047] The airbag cushion 20 inflates and deploys from the backrest 12 of the seat 11 in the forward, upward, and downward directions, and inflates and deploys to correspond to the sides of the pelvis and the entire upper body of the occupant, namely the occupant's abdomen, chest, neck, and head. As described above, the airbag cushion 20 inflates and deploys between the occupant and another occupant (hereinafter referred to as the "opposite occupant"), and performs the function of safely protecting the occupant from collisions between occupants caused by the impact of a side collision.

[0048] To achieve this, the airbag cushion 20 may include an inner panel 21 that contacts the right side surface of the occupant (i.e., the driver) and an outer panel 22 that contacts the left side surface of the opposite occupant, and may be formed into a bag-like shape by stitching the edges of the inner panel 21 and the outer panel 22 together.

[0049] The airbag cushion 20 can be formed into a generally circular, elliptical, or hexahedral shape to inflate and deploy, and can inflate and deploy from the right side of the occupant in the forward, upward, and downward directions.

[0050] In this implementation plan, such as Figure 3 As shown, the airbag cushion 20 can also be inflated and deployed in a generally semi-circular shape that bulges in the forward direction.

[0051] Reference Figures 4 to 6Describe in detail the construction of the airbag cushion and restraint components.

[0052] Figure 4 This is an unfolded view showing the state in which the limiting component is mounted on the inner surface of the outer panel. Figure 5 It is along Figure 4 The sectional view taken by line A-A', and Figure 6 It is along Figure 4 The sectional view taken by line B-B'. Figure 4 This shows the inner panel being removed from the outer panel.

[0053] like Figure 4 As shown, the inner panel 21 and the outer panel 22 can be formed into a semi-circular shape, and the upper end of each panel 21, 22 can protrude in the rearward direction to protect the occupant's head, and the lower end of each panel 21, 22 can be provided with an inlet portion connected to the inflator 30 to introduce gas.

[0054] The airbag cushion 20 can be divided into an upper chamber 23 and a lower chamber 24. The upper chamber is used to protect the upper part of the chest, neck and head relative to the occupant's chest, and the lower chamber is used to protect the lower part of the occupant's chest, abdomen and pelvis.

[0055] The inflator 30 can be embedded in the backrest 12 of the seat 11 and can ignite the internal igniter according to the detection signal of the collision detection sensor (not shown) installed in the vehicle when a side collision occurs, and can generate gas and supply the gas to the airbag cushion 20 through the inlet portion.

[0056] The limiting member 40 can perform the function of controlling the deployment shape of the airbag cushion 20 to allow the airbag cushion 20 to come into contact with the side of the occupant during the deployment process of the airbag cushion 20.

[0057] like Figure 4 As shown, the limiting member 40 may include a first fastener 41, which is installed between the front and rear ends of the center of the airbag cushion 20 to limit the deployed shape of the center of the airbag cushion 20.

[0058] Meanwhile, the limiting member 40 may also include a second fastener 42, which is installed vertically in the upper chamber 23 of the airbag cushion 20 to limit the deployment shape of the upper chamber 23.

[0059] The first fastener 41 and the second fastener 42 can each be formed as a strip with a predetermined width.

[0060] The first fastener 41 may be formed horizontally at the center of the airbag cushion 20, or may be installed at a slight angle toward the upper rear portion.

[0061] For example, one end of the first fastener 41 (when in) Figure 5 (When viewed from above, the left end) can be connected to the outer panel 22, and the other end of the second fastener 42 (when viewed from above) can be connected to the outer panel 22. Figure 5 (When viewed from above, the right end) can be connected to the inner panel 21.

[0062] Here, the left end of the first fastener 41 can be positioned higher than the right end.

[0063] That is, the first stitch 43 connecting the left end of the first fastener 41 to the outer panel 22 can be positioned higher than the second stitch 44 connecting the right end of the first fastener 41 to the inner panel 21.

[0064] As described above, this disclosure may have a first fastener mounted on the center of the outer and inner panels to control the deployment shape of the center of the airbag cushion, i.e., the deployment thickness and orientation.

[0065] That is, the deployed thickness of the center of the airbag cushion 20 can be limited to the thickness corresponding to the distance between the first suture 43 and the second suture 44, which is narrower than the width of the first fastener 41.

[0066] Furthermore, according to this disclosure, one end of the first fastener connected to the outer panel is positioned higher than the other end of the first fastener connected to the inner panel, such that the deployment shape of the airbag cushion is controlled to allow the center of the airbag cushion to bend toward the occupant, the airbag cushion inflating and deploying toward the occupant upon initial deployment.

[0067] Therefore, this disclosure can safely protect occupants by inflating and deploying the airbag in an upward direction with the airbag cushion in near-side contact with the occupant's side.

[0068] That is, this disclosure can prevent occupant injury in advance by preventing the formation of a space between the airbag cushion and the occupant.

[0069] Return to reference Figure 4 The second tether 42 can perform the function of limiting the deployment shape of the upper chamber 23 in the airbag cushion 20.

[0070] The second fastener 42 can be installed vertically in the upper chamber 23 of the airbag cushion 20. A pair of second fasteners 42 can be installed parallel to each other at a predetermined distance. Of course, this disclosure is not necessarily limited to this, and can be modified to provide one, three or more second fasteners 41 depending on various conditions such as the shape and size of the airbag cushion 20.

[0071] One end of each second tether 42 (when in) Figure 6(When viewed from above, the right end) can be connected to the outer panel 22, and the other end of the second fastener 42 (when viewed from above) can be connected to the outer panel 22. Figure 6 (When viewed from above, the left end) can be connected to the inner panel 21.

[0072] Here, compared to the fourth stitching 46 connecting the left end of the second fastener 42 to the inner panel 21, the third stitching 45 connecting the right end of the second fastener 42 to the outer panel 22 can be located on the left side, that is, on the rear side when viewed from inside the vehicle.

[0073] As described above, this disclosure may have one or more second tethering members installed vertically in the upper chamber of the airbag cushion to control the deployment shape of the upper chamber, i.e., the deployment thickness and orientation.

[0074] That is, the unfolded thickness of the upper chamber 23 of the airbag cushion 20 can be limited to the thickness corresponding to the distance between the third suture 45 and the fourth suture 46, which is narrower than the width of the second fastener 42.

[0075] Specifically, according to this disclosure, one end of the second fastener connected to the outer panel can be positioned further back than the other end of the second fastener connected to the inner panel, such that the deployment shape of the airbag cushion is controlled to allow the upper chamber of the airbag cushion to bend toward the front of the occupant.

[0076] Therefore, this disclosure can safely protect the occupant's head by controlling the deployment shape to allow the upper chamber of the airbag cushion to face the upper part of the occupant's upper body, particularly the front of the head.

[0077] Next, we will refer to Figure 7 and Figure 8 The method of operating the remote airbag device of a vehicle according to the first embodiment of this disclosure is described in detail.

[0078] Figure 7 and Figure 8 These are operational state views showing the operational state of the remote airbag device of a vehicle according to a first embodiment of the present disclosure.

[0079] When a side collision occurs, the inflator 30 generates gas by igniting an internal igniter based on the detection signal from an impact detection sensor (not shown) installed in the vehicle, and supplies the gas generated in the inflator 30 to the interior of the airbag cushion 20.

[0080] When gas is supplied from the inflator 30, the airbag cushion 20 may be ejected to the outside of the backrest 12 of the seat 11 and may inflate and deploy from the side of the occupant in the forward, upward and rearward directions.

[0081] In this case, such as Figure 7 and Figure 8 As shown, the airbag cushion 20 can inflate and deploy while having an deployment shape limited by the restraining member 40 installed therein.

[0082] That is, such as Figure 7 As shown, during the initial deployment process, the airbag cushion 20 can be deployed in such a shape that the center of the airbag cushion 20 bends upward through the first fastener 41 to almost contact the side of the occupant.

[0083] Next, during the inflation and deployment of the airbag cushion 20, as... Figure 8 As shown, the airbag cushion 20 can be deployed in such a shape that the upper chamber 23 bends toward the front of the upper part of the occupant's chest, neck and head via the second tether 42.

[0084] Therefore, as Figure 2 As shown, the airbag cushion 20 can eventually inflate and deploy in an upward direction to make near-side contact with the occupant.

[0085] As described above, this disclosure can safely protect occupants by inflating and deploying the airbag in an upward direction with the airbag cushion in near contact with the side of the occupant.

[0086] Furthermore, this disclosure can safely protect the occupant's head by controlling the deployment shape to allow the upper chamber of the airbag cushion to face the upper part of the occupant's upper body, particularly the front of the head.

[0087] In this embodiment, a restraining member 40 disposed inside the airbag cushion 20 is shown, i.e., a first fastener 41 and a second fastener 42 are installed to control the deployment shape of the airbag cushion 20. However, this disclosure may have a restraining member 40 additionally installed outside the airbag cushion 20 to more effectively control the deployment shape of the airbag cushion 20.

[0088] That is, such as Figure 7 and Figure 8 As shown, the third fastener 47 can be installed between the front end of the airbag cushion 20 and the backrest 12 of the seat 11 to control the deployment shape, so that the airbag cushion 20 inflates and deploys with almost contact with the side of the occupant.

[0089] For example, one end of the third fastener 47 can be connected to the front end of the airbag cushion 20 at a position higher than the front end of the first fastener 41, and the other end of the third fastener 47 can be connected to the inner frame (not shown) of the backrest 12.

[0090] Alternatively, one end of the third fastener 47 may be connected to the front end of the upper chamber 23 of the airbag cushion 20, and the other end of the third fastener 47 may be connected to the frame.

[0091] One or more third fasteners 47 can be provided according to various conditions such as the deployment shape of the standard and controlled airbag cushion 20, and the position of the third fasteners 47 connected to the airbag cushion 20 and the frame can be varied.

[0092] As described above, this disclosure may include an additional fastener installed between the airbag cushion and the seat back to more effectively control the deployment shape of the airbag cushion.

[0093] That is, this disclosure can prevent collisions with another occupant by controlling the deployment shape of the airbag cushion using an additionally installed third tether, and at the same time prevent lateral movement of the occupant by supporting the occupant.

[0094] Furthermore, this disclosure may have a third tethering member connected to the upper chamber of the airbag cushion, and the upper body and front of the head, as well as the sides of the occupant, can be more securely protected by bending the upper chamber toward the front of the occupant.

[0095] [Second Implementation Plan]

[0096] Figure 9 and Figure 10 These are a front view and a side view, respectively, showing the deployed state of the airbag cushion in the distal airbag device of a vehicle according to a second embodiment of the present disclosure. Figure 11 It shows that the limiting member is installed. Figure 9 A side view showing the state of the inner surface of the outer panel. Figure 12 yes Figure 11 The unfolded view of the inner and outer panels is shown, and Figure 13 It is along Figure 11 A sectional view taken by line A-A'.

[0097] like Figures 9 to 12 As shown, the remote airbag device 10 of the vehicle according to the second embodiment of the present disclosure may have the same construction as the remote airbag device 10 described in the first embodiment, but the outer panel 22 of the airbag cushion 20 may have a larger cross-sectional area than the inner panel 21.

[0098] That is, the height h2 of the outer panel 22 can also be higher than the height h1 of the inner panel 21. Of course, the width w2 of the outer panel 22 can also be wider than the width w1 of the inner panel 21.

[0099] In addition, the folded portion 50 can be provided on the outer panel 22 to have portions that overlap each other.

[0100] For example, such as Figures 11 to 13 As shown, the folding portion 50 may have portions overlapping each other at the center of the outer panel 22 with a predetermined width, and may be folded toward the upper chamber 23 or the lower chamber 24 on the outer panel 22 to have portions overlapping each other.

[0101] That is, such as Figure 12 As shown, the folded portion 50 can be formed horizontally at the center of the outer panel 22, or inclined towards the upper rear portion.

[0102] A first fold line 51 may be formed at the upper end of the folded portion 50 to fold with the portion of the outer panel 22 corresponding to the upper chamber 23, and a second fold line 52 may be formed at the lower end of the folded portion 50 to fold with the portion of the outer panel 22 corresponding to the lower chamber 24.

[0103] Furthermore, a third fold line 53 may be formed at the center of the folded portion 50 to divide the portion folded by the first fold line 51 and the second fold line 52 into two parts and make the two parts overlap each other.

[0104] Here, one end of the first fastening member 41 (when in) Figure 13 (When viewed from above, the upper end) can be connected to the outer panel 22 via a first suture 43 formed at a position higher than the first fold line 51.

[0105] Therefore, when gas is supplied to inflate and deploy the airbag cushion 20, the folding portion 50 can inflate and deploy to protrude from the center of the outer panel 22 toward the opposite occupant.

[0106] In this configuration, since the inner panel 21 and outer panel 22 of the airbag cushion 20 are sewn together along the edges, the airbag cushion 20 can inflate and deploy while bending toward the occupant due to the inflation and deployment of the folded portion 50.

[0107] That is, such as Figure 9 As shown, the upper chamber 23 of the airbag cushion 20 can be inflated and unfolded via the folding portion 50 and the first fastener 41 to bend toward the occupant's head relative to the center of the airbag cushion 20.

[0108] As described above, the present disclosure has an outer panel of an airbag cushion that is formed to have a cross-sectional area larger than that of the inner panel, and has a folded portion formed at the center of the outer panel to have overlapping portions, so that the deployment shape of the upper chamber of the airbag cushion can be controlled.

[0109] Therefore, this disclosure controls the deployment shape of the airbag cushion to make near-side contact with the occupant, thereby preventing the formation of a space between the occupant and the airbag cushion, preventing lateral movement of the occupant, and safely protecting the occupant.

[0110] Although the invention manufactured by the inventors of this application has been specifically described according to the above embodiments, this disclosure is not limited to the above embodiments and can be modified in various ways within the scope of the technical essence of this disclosure.

[0111] That is, in the second embodiment of this disclosure, the limiting member and the folding portion are shown together in the airbag cushion, but this disclosure can be modified to remove the limiting member and apply only the folding portion to the outer panel, and control the deployment shape of the airbag cushion.

[0112] Industrial applicability

[0113] This disclosure applies to a remote airbag device technology for vehicles, which safely protects the occupant by controlling the deployment shape of the airbag cushion of the remote airbag device to make near-side contact with the occupant, preventing the formation of a space between the occupant and the airbag cushion, and preventing lateral movement of the occupant.

Claims

1. A remote airbag device for a vehicle, comprising: An airbag cushion, which is embedded in the back of the seat and inflates and deploys in the event of a side collision of the vehicle to correspond to the side of the occupant's upper body; An inflator configured to generate gas upon impact detection signal and supply the gas to the airbag cushion in the event of a side collision with the vehicle; and A restraining member, which is installed in the airbag cushion and configured to restrict the deployment shape of the airbag cushion. The airbag cushion inflates and deploys upwards from the occupant's side due to the restraining member to prevent lateral movement of the occupant. The airbag cushion has an upper chamber and a lower chamber, the upper chamber being configured to protect the upper portion of the chest, neck, and head relative to the occupant's chest. The lower chamber is configured to protect the lower portion of the occupant's chest, abdomen, and pelvis. The limiting member includes a first fastener mounted at the center of the airbag cushion to restrict the deployment shape, thereby allowing the upper chamber to face the occupant or, relative to the center of the airbag cushion, to face in the upward direction. The airbag cushion is formed into a bag-like shape by sewing the edges of the inner panel to contact the occupant and sewing the edges of the outer panel to contact the opposite occupant. The first fastening element is installed between the front and rear ends of the center of the airbag cushion, tilted towards the upper rear portion. One end of the first fastener is connected to the outer panel via a first suture. The other end of the first fastener is connected to the inner panel via a second suture, and The first suture is positioned at a higher height than the second suture, causing the upper chamber to bend toward the occupant or to bend upwards.

2. The distal airbag device according to claim 1, The limiting member further includes a second fastening element, which is vertically mounted in the upper chamber of the airbag cushion to limit the deployment shape of the upper chamber. One end of the second fastener is connected to the outer panel via a third suture. The other end of the second fastener is connected to the inner panel via a fourth suture, and The third suture is positioned further back than the fourth suture, causing the upper chamber to bend toward the front of the occupant.

3. The distal airbag device according to claim 1, The outer panel of the airbag cushion that contacts the side of the occupant is formed to have a larger cross-sectional area than the inner panel, such that the upper chamber of the airbag cushion is bent in the upward direction and toward the front of the occupant.

4. The distal airbag device according to claim 3, The outer panel is taller than the inner panel, and The outer panel is wider than the inner panel.

5. The distal airbag device according to claim 1, The airbag cushion includes a folding portion configured to fold the portions of the outer panel that contact the opposing occupant so that they overlap, thereby allowing the upper chamber to deploy in the upward direction. The folding portion is configured to control the unfolding shape to allow the upper chamber of the airbag cushion to face the upward direction, while the airbag cushion inflates and unfolds to protrude toward the opposing occupant.

6. The distal airbag device according to claim 5, The folded portion has portions overlapping each other at the center of the outer panel of the airbag cushion with a predetermined width, and the folded portion folds on the outer panel toward the upper chamber or the lower chamber to have portions overlapping each other.

7. The distal airbag device according to claim 6, The first fold line is formed on the upper end of the folded portion to fold with the portion of the outer panel corresponding to the upper chamber. The second fold line is formed on the lower end of the folded portion to fold with the portion of the outer panel corresponding to the lower chamber, and The third fold line is formed at the center of the folded portion to divide the portion folded by the first fold line and the second fold line into overlapping portions.

8. The distal airbag device according to claim 5, The upper end of the first tether is connected to the outer panel of the airbag cushion via a first suture formed at a position higher than the folded portion.

9. The distal airbag device according to claim 1, The limiting member further includes one or more third fasteners installed between the airbag cushion and the backrest to control the deployment shape of the airbag cushion.

Images