A remote airbag and vehicle seat

Abstract

The embodiment of the specification provides a remote air bag, which comprises a main chamber close to a main seat and a sub-chamber close to a sub-seat; the main chamber and the sub-chamber are connected through a plurality of air holes and / or a plurality of drawstring cooperation; the included angle between the main longitudinal center line of the main chamber and the sub-longitudinal center line of the sub-chamber is less than ±20 degrees, and along the vehicle width direction, the main longitudinal center line and the sub-longitudinal center line overlap, or the sub-longitudinal center line is close to the rear of the vehicle; after the air bag is inflated, the sub-chamber is supported by the vehicle armrest box, the sub-chamber lifts the arms of the sub-seat passenger upwards, the main chamber and the sub-chamber are parallel and close to each other, and the sub-chamber compresses the main chamber so that the main chamber is bent. The main chamber and the sub-chamber are connected through the air holes and / or the drawstring cooperation, so that after the air bag is inflated, the sub-chamber is supported by the vehicle armrest box to lift the arms of the sub-seat passenger, and the sub-chamber compresses the main chamber, thereby improving the bending and torsion resistance of the main chamber.

Description

Technical Field

[0001] This specification relates to the field of remote airbag technology, specifically to a remote airbag and a vehicle seat. Background Technology

[0002] When a vehicle is involved in a side impact, a remote airbag is installed in the seat to better protect passengers. However, existing remote airbags, even dual-chamber types, are difficult to provide adequate restraint for the front passenger. For example, after the airbag makes contact with the occupant, the remote airbag is prone to tilting upon the occupant's side impact and lacks strong lateral bending resistance. Summary of the Invention

[0003] In view of this, the embodiments of this specification provide a remote airbag and a vehicle seat. By connecting the main chamber and the secondary chamber of the remote airbag through a number of vents and / or a number of straps, and by limiting the positions of the main chamber and the secondary chamber, the secondary chamber supports the vehicle armrest box after the airbag is inflated, thereby raising the arm of the front passenger. At the same time, the secondary chamber compresses the main chamber, thereby improving the bending and torsional resistance of the main chamber.

[0004] This specification provides the following technical solution in its embodiments: a distal airbag, comprising:

[0005] The main chamber is located near the driver's seat, and the secondary chamber is located near the passenger's seat;

[0006] The main chamber and the auxiliary chamber are connected by a number of vent holes and / or a number of straps.

[0007] The angle between the main longitudinal centerline of the main chamber and the secondary longitudinal centerline of the secondary chamber is less than ±20 degrees, and along the vehicle width direction, the main longitudinal centerline and the secondary longitudinal centerline overlap, or the secondary longitudinal centerline is close to the rear of the vehicle.

[0008] When the airbag is inflated, the secondary chamber supports the vehicle's armrest box, causing the secondary chamber to lift the front passenger's arm upwards. The main chamber and the secondary chamber are parallel and close together, and the secondary chamber compresses the main chamber, causing the main chamber to bend.

[0009] Preferably, the main chamber includes a first inflation zone, a second inflation zone, and a closed zone, wherein the first inflation zone and the second inflation zone are connected through the closed zone.

[0010] Preferably, the secondary chamber is connected to the first inflation zone and the second inflation zone through a number of vent holes and a number of pull straps, and the connection is made in a multi-point connection manner.

[0011] Preferably, the secondary chamber is connected to the first inflation zone and the second inflation zone via a three-point connection.

[0012] Preferably, the secondary chamber is connected to the first inflation zone and the second inflation zone through three vent holes;

[0013] Alternatively, the secondary chamber can be connected to the first inflation zone and the second inflation zone via two vents and a pull strap;

[0014] Alternatively, the secondary chamber can be connected to the first inflation zone and the second inflation zone via a vent and two straps.

[0015] Preferably, when the secondary chamber is connected to the first inflation zone and the second inflation zone through two vent holes and a pull strap, one of the vent holes on the secondary chamber is connected to the lower part of the first inflation zone, and the other vent hole is connected to the second inflation zone.

[0016] The two ends of the pull strap are respectively located at the front edge of the first inflation zone and the front edge of the secondary chamber. In the flat state of the airbag, the length of the pull strap is equal to the distance between the front edge of the first inflation zone and the front edge of the secondary chamber. Alternatively, the two ends of the pull strap are respectively located at the front edge of the first inflation zone after folding and the front edge of the secondary chamber, and the length of the pull strap is less than the distance between the front edge of the first inflation zone and the front edge of the secondary chamber.

[0017] Preferably, when the airbag is inflated, the secondary chamber compresses the closed area, causing it to bend, so that an angle α is formed between the first inflation area and the second inflation area, and the angle α is less than 180 degrees.

[0018] Preferably, when the airbag is inflated, the secondary chamber, the first inflation zone, and the second inflation zone form an interacting triangular structure in the cross-section.

[0019] Preferably, the thickness of the secondary chamber is greater than the thickness of the main chamber.

[0020] A vehicle seat includes a seat body and a distal airbag as described in any of the preceding claims, the distal airbag being disposed on the backrest of the seat body on the side near the passenger seat.

[0021] Compared with the prior art, the beneficial effects that at least one technical solution adopted in the embodiments of this specification can achieve include at least:

[0022] By connecting the main chamber and the auxiliary chamber of the remote airbag through several vents and / or several straps, and by limiting the positions of the main chamber and the auxiliary chamber, the auxiliary chamber supports the vehicle's armrest box after the airbag is inflated, thereby raising the front passenger's arm and preventing the front passenger from moving too much laterally. At the same time, the auxiliary chamber compresses the main chamber, causing the main chamber to bend, thereby improving the main chamber's bending and torsional resistance and providing good protection for the occupant. Attached Figure Description

[0023] To more clearly illustrate the technical solutions of the embodiments of this application, the drawings used in the embodiments will be briefly introduced below. Obviously, the drawings described below are only some embodiments of this application. For those skilled in the art, other drawings can be obtained based on these drawings without creative effort.

[0024] Figure 1 This is a front view of the distal airbag provided by the present invention;

[0025] Figure 2 This is a side view of the distal airbag provided by the present invention;

[0026] Figure 3 This is a cross-sectional view of the deployed distal airbag provided by the present invention;

[0027] Figure 4 This is a schematic diagram of the structure of the distal airbag of the vehicle seat after deployment, provided by the present invention.

[0028] Figure 5 This is a cross-sectional view of the distal airbag of the vehicle seat provided by the present invention after deployment. Detailed Implementation

[0029] The embodiments of this application will now be described in detail with reference to the accompanying drawings.

[0030] The following specific examples illustrate the implementation of this application. Those skilled in the art can easily understand other advantages and effects of this application from the content disclosed in this specification. Obviously, the described embodiments are only a part of the embodiments of this application, and not all of them. This application can also be implemented or applied through other different specific embodiments, and the details in this specification can also be modified or changed based on different viewpoints and applications without departing from the spirit of this application. It should be noted that, in the absence of conflict, the following embodiments and features in the embodiments can be combined with each other. Based on the embodiments in this application, all other embodiments obtained by those skilled in the art without creative effort are within the scope of protection of this application.

[0031] It should be noted that various aspects of embodiments within the scope of the appended claims are described below. It will be apparent that the aspects described herein can be embodied in a wide variety of forms, and any particular structure and / or function described herein is merely illustrative. Based on this application, those skilled in the art will understand that one aspect described herein can be implemented independently of any other aspect, and two or more of these aspects can be combined in various ways. For example, any number and aspects set forth herein can be used to implement the device and / or practice the method. Additionally, this device and / or method can be implemented using structures and / or functionalities other than one or more of the aspects set forth herein.

[0032] It should also be noted that the illustrations provided in the following embodiments are only schematic representations of the basic concept of this application. The drawings only show the components related to this application and are not drawn according to the actual number, shape and size of the components in the actual implementation. In the actual implementation, the form, quantity and proportion of each component can be arbitrarily changed, and the layout of the components may also be more complex.

[0033] Furthermore, specific details are provided in the following description to facilitate a thorough understanding of the examples. However, those skilled in the art will understand that the described aspects can be practiced without these specific details.

[0034] Currently, to better protect passengers in the event of a side impact, remote airbags are typically installed in the seats to provide better occupant protection. However, existing remote airbags have the following drawbacks in use:

[0035] 1. The secondary chamber of the distal airbag is unable to lift the front passenger's arm during a collision, resulting in significant lateral movement of the front passenger and thus causing higher torso injuries.

[0036] 2. The bending resistance of the distal airbag is relatively poor. After the occupant comes into contact with the airbag, the main chamber of the distal airbag is prone to bending due to the impact of the driver's seat occupant, resulting in greater lateral movement of the driver's seat occupant.

[0037] After extensive and in-depth testing, the inventors designed a remote airbag and vehicle seat that allows the passenger compartment to support the vehicle's armrest, thereby raising the front passenger's arm while improving the main compartment's resistance to bending and torsion.

[0038] The technical problem solved by this invention is to improve the protective effect of remote airbags on occupants.

[0039] More specifically, the solution adopted in this invention includes: connecting the main chamber and the auxiliary chamber of the distal airbag through a number of vent holes and / or a number of straps, and limiting the positions of the main chamber and the auxiliary chamber so that after the airbag is inflated, the auxiliary chamber supports the vehicle armrest box to lift the front passenger's arm and prevent the front passenger from moving too much laterally. At the same time, the auxiliary chamber compresses the main chamber, causing the main chamber to bend, thereby improving the bending and torsional resistance of the main chamber.

[0040] The technical solutions provided by the various embodiments of this application are described below with reference to the accompanying drawings.

[0041] like Figures 1-3 As shown, a distal airbag includes:

[0042] The airbag comprises a main chamber 1 near the driver's seat and a secondary chamber 2 near the passenger's seat. The main chamber 1 and the secondary chamber 2 are connected by a number of vents 3 and / or a number of straps 4. The main chamber 1 protects the driver's seat occupant, and the secondary chamber 2 protects the passenger's seat occupant. The vents 3 and / or straps 4 are used to connect the main chamber 1 and the secondary chamber 2. By limiting the position of the vents 3 and straps 4, after the airbag is inflated, the secondary chamber 2 supports the vehicle's armrest box, raising the passenger's arm upwards. At the same time, the secondary chamber can stably support the passenger's shoulder and provide good support for the torso, better restraining the passenger's lateral displacement and effectively reducing injury to the torso.

[0043] The angle between the main longitudinal centerline of the main chamber 1 and the secondary longitudinal centerline of the secondary chamber 2 is less than ±20 degrees, and along the width direction of the vehicle, the main longitudinal centerline and the secondary longitudinal centerline overlap, or the secondary longitudinal centerline is close to the rear of the vehicle. By defining the positions of the main chamber 1 and the secondary chamber 2, when the airbag is inflated, the main chamber 1 and the secondary chamber 2 are parallel and close together. The secondary chamber 2 exerts an inward pulling force on the main chamber 1. The secondary chamber 2 compresses the main chamber 1, causing the main chamber 1 to bend, so that the main chamber 1 forms a contracting angle, thereby improving the bending and torsional resistance of the main chamber 1.

[0044] It should be noted that the angle between the main longitudinal centerline and the secondary longitudinal centerline is less than ±20 degrees. In a preferred embodiment, the main longitudinal centerline and the secondary longitudinal centerline are parallel. By limiting the angle between the main longitudinal centerline and the secondary longitudinal centerline, it can be ensured that the main chamber 1 and the secondary chamber 2 have a large contact area after inflation and expansion. This facilitates the secondary chamber 2 to compress the main chamber 1 to form a contracting angle, thereby improving the bending and torsional resistance of the main chamber 1.

[0045] It should also be noted that after the secondary chamber 2 is inflated, the main chamber 1 bends relative to the centerline of the secondary chamber 2. By limiting the position of the main longitudinal centerline and the secondary longitudinal centerline, the main longitudinal centerline and the secondary longitudinal centerline can be made to coincide or the secondary longitudinal centerline can be made to be offset backward. This can limit the bending position of the main airbag, thereby achieving better protection for the occupants.

[0046] like Figure 3 As shown, in some embodiments, the main chamber 1 includes a first inflation zone 101, a second inflation zone 102, and a closed zone 103. The first inflation zone 101 and the second inflation zone 102 are connected by the closed zone 103. By setting the closed zone 103 between the first inflation zone 101 and the second inflation zone 102, when the secondary chamber 2 is inflated, the secondary chamber 2 presses the closed zone 103 to bend, which will not affect the unfolding of the first inflation zone 101 and the second inflation zone 102. The secondary chamber 2 is in close contact with the first inflation zone 101 and the second inflation zone 102, thereby forming a contracting angle between the first inflation zone 101 and the second inflation zone 102, which can improve the bending and torsional resistance of the first inflation zone 101 and the second inflation zone 102.

[0047] It should be noted that the closed area 103 refers only to the area located between the first inflation area 101 and the second inflation area 102. The edges or seam positions of the first inflation area 101 and the second inflation area 102 are not part of the closed area 103.

[0048] It should also be noted that, in this embodiment, along the length of the vehicle, the size of the second inflation zone 102, which is closer to the rear, is larger than the size of the first inflation zone 101. Since the second inflation zone 102 is closer to the driver's seat, it provides better protection for the driver occupant. In other embodiments, the size of the first inflation zone 101 and the second inflation zone 102 can be set according to actual conditions.

[0049] like Figures 2-3 As shown, in some embodiments, the secondary chamber 2 is connected to the first inflation zone 101 and the second inflation zone 102 through a plurality of vent holes 3 and a plurality of pull straps 4. The connection is made in a multi-point manner. By connecting the secondary chamber 2 to the first inflation zone 101 and the second inflation zone 102 through a multi-point connection with vent holes 3 and pull straps 4, the connection points can be located on the inflation areas of the front, rear, and lower sides of the main chamber 1. The connection points limit the movement between the secondary chamber 2 and the main chamber 1, so that the main chamber 1 and the secondary chamber 2 are distributed in a specific manner after inflation.

[0050] It should be noted that the ventilation holes 3 are connected by opening ventilation holes 3 at the corresponding positions of the inflation areas of the secondary chamber 2 and the main chamber 1, and connecting the ventilation holes 3 with sutures so that the secondary chamber 2 and the main chamber 1 are connected. At the same time, the connection of the ventilation holes 3 can also limit the movement between the secondary chamber 2 and the main chamber 1.

[0051] In a preferred embodiment, the secondary chamber 2 is connected to the first inflation area 101 and the second inflation area 102 by a three-point connection. This three-point connection connects the inflation areas of the secondary chamber 2 and the main chamber 1, which not only ensures the limiting deployment effect after inflation of the main chamber 1 and the secondary chamber 2, but also makes the airbag manufacturing process more convenient.

[0052] It should be noted that in other embodiments, the connection between the main chamber 1 and the auxiliary chamber 2 can also be a four-point connection, a five-point connection, or other multi-point connections, which can be designed according to the actual situation, and will not be elaborated here.

[0053] like Figures 2-3 As shown, in some embodiments, the secondary chamber 2 is connected to the first inflation zone 101 and the second inflation zone 102 via two vent holes 3 and a pull strap 4. The connection is achieved by using two vent holes 3 and a pull strap 4. The two vent holes 3 facilitate the flow of gas from the main chamber 1 into the secondary chamber 2, ensuring the rapid expansion of the main chamber 1 and the secondary chamber 2. At the same time, the pull strap 4 enhances the firmness of the connection between the main chamber 1 and the secondary chamber 2, making the connection between the main chamber 1 and the secondary chamber 2 reliable. This also allows the secondary chamber 2 to drive the main chamber 1, causing the main chamber 1 to bend.

[0054] It should be noted that, based on the above connection method, depending on the different arrangements of the airbag, connection points between the main chamber 1 and the auxiliary chamber 2 can be added at locations where rigidity is insufficient or airbag deployment is unstable, in order to ensure the stability of the airbag.

[0055] In other embodiments, the main chamber 1 and the auxiliary chamber 2 can also be connected in other ways, such as the auxiliary chamber 2 being connected to the first inflation zone 101 and the second inflation zone 102 through three vent holes 3. When the auxiliary chamber 2 is connected by three vent holes 3, the distance between the two vent holes 3 on the auxiliary chamber 2 can be set to be no greater than the distance between the two holes on the opposite main chamber 1, thereby adjusting the included angle between the first inflation zone 101 and the second inflation zone 102 after the main chamber 1 is unfolded.

[0056] Alternatively, the secondary chamber 2 is connected to the first inflation zone 101 and the second inflation zone 102 via a vent 3 and two straps 4.

[0057] It should be noted that, regardless of the connection method, there must be a vent 3 located in the inflation area below the closed area 103. This can effectively prevent the secondary chamber 2 from tilting and shifting away from the vehicle armrest box during the unfolding process, thereby ensuring that the secondary chamber 2 can lift the front passenger's arm upwards.

[0058] like Figures 2-3 As shown, in some embodiments, when the secondary chamber 2 is connected to the first inflation zone 101 and the second inflation zone 102 through two vent holes 3 and a pull strap 4, one of the vent holes 3 on the secondary chamber 2 is connected to the lower part of the first inflation zone 101, and the other vent hole 3 is connected to the second inflation zone 102. The lower part of the secondary chamber 2 and the lower part of the first inflation zone 101 are connected through one of the vent holes 3. This vent hole 3 can limit the movement between the secondary chamber 2 and the main chamber 1, preventing the secondary chamber 2 from tilting and shifting away from the vehicle armrest box during the unfolding process, thereby ensuring that the secondary chamber 2 can lift the arm of the passenger in the front seat. The other vent hole 3 is connected to the second inflation zone 102, which can ensure that the secondary chamber 2 inflates and unfolds quickly.

[0059] The two ends of the pull strap 4 are respectively located at the front edge of the first inflation area 101 and the front edge of the secondary chamber 2. In the flat state of the airbag, the length of the pull strap 4 is equal to the distance between the front edge of the first inflation area 101 and the front edge of the secondary chamber 2. Alternatively, the two ends of the pull strap 4 are respectively located at the front edge of the first inflation area 101 after folding and the front edge of the secondary chamber 2. The length of the pull strap 4 is less than the distance between the front edge of the first inflation area 101 and the front edge of the secondary chamber 2. The pull strap 4 is connected to the main chamber 1 and the secondary chamber 2 by sewing. The length of the pull strap 4 can be set according to the needs of use. The pull strap 4 limits the connection between the front edges (i.e., the side closer to the front of the vehicle) of the main chamber 1 and the secondary chamber 2, so that when the airbag is inflated and deployed, the secondary chamber 2 has a certain pulling force on the front edge of the main chamber 1, thereby facilitating the bending of the main chamber 1.

[0060] It should be noted that the two vent holes 3 on the auxiliary chamber 2 are connected to the first inflation zone 101 and the second inflation zone 102 respectively. When the auxiliary chamber 2 is inflated, it will exert a tensile force on the first inflation zone 101 and the second inflation zone 102, causing the main chamber 1 to bend inward, thereby improving the bending resistance of the main chamber 1.

[0061] It should also be noted that when two vents 3 and a strap 4 are used for connection, the bending angle of the main chamber 1 after unfolding can be adjusted by adjusting the length of the strap 4, depending on the vehicle model, such as the different distances between the driver's seat and the passenger seat, thereby providing stronger lateral bending and torsional resistance.

[0062] like Figure 3 As shown, in some embodiments, when the airbag is inflated, the secondary chamber 2 compresses the closed area 103, causing it to bend, so that an angle α is formed between the first inflation area 101 and the second inflation area 102, the angle α being less than 180 degrees. When the airbag is inflated and deployed, the secondary chamber 2 drives the first inflation area 101 and the second inflation area 102 to move, causing the closed area 103 to be stretched and bent. Since the first inflation area 101 and the second inflation area 102 are in close contact with the secondary chamber 2, and the closed area 103 is in a stretched state, the bending resistance of the main chamber 1 is enhanced.

[0063] like Figure 3 As shown, in some embodiments, when the airbag is inflated, the secondary chamber 2, the first inflation area 101, and the second inflation area 102 form an interacting triangular structure in the cross-section. After inflation, the secondary chamber 2, the first inflation area 101, and the second inflation area 102 form a relatively stable triangular structure. Through the interaction between the secondary chamber 2 and the main chamber 1, the stability of the airbag can be effectively increased, further improving the airbag's bending and torsional resistance, and achieving strong support and protection for the occupant.

[0064] In some embodiments, the thickness of the secondary chamber 2 is greater than the thickness of the main chamber 1. By setting the thickness of the secondary chamber 2 to be greater than the thickness of the main chamber 1, the uninflated area of ​​the main chamber 1 becomes thicker, which can effectively increase the bending resistance of the airbag.

[0065] like Figures 1-5 As shown, based on the same inventive concept, this specification provides a vehicle seat, including a seat body and a distal airbag as described in any of the above claims. The distal airbag is disposed on the backrest of the seat body near the passenger seat. By employing the aforementioned distal airbag, when the vehicle is subjected to a side impact, the main chamber 1 and the secondary chamber 2 inflate and deploy. The secondary chamber 2 supports the vehicle's armrest box, causing the secondary chamber 2 to lift the passenger's arm upwards. At the same time, the secondary chamber can stably support the passenger's shoulder. The main chamber 1 and the secondary chamber 2 are parallel and closely attached. The secondary chamber 2 exerts an inward pulling force on the main chamber 1. The secondary chamber 2 compresses the main chamber 1, causing the main chamber 1 to bend and form a contracting angle, thereby improving the bending and torsional resistance of the main chamber 1 and achieving a better protection effect for the occupant.

[0066] The same or similar parts of the various embodiments in this specification can be referred to interchangeably. Each embodiment focuses on describing the differences from other embodiments. In particular, the method embodiments described later are relatively simple in description since they correspond to the system, and relevant parts can be referred to the descriptions in the system embodiments.

[0067] The above description is merely a specific embodiment of this application, but the scope of protection of this application is not limited thereto. Any variations or substitutions that can be easily conceived by those skilled in the art within the technical scope disclosed in this application should be included within the scope of protection of this application. Therefore, the scope of protection of this application should be determined by the scope of the claims.

Claims

1. A distal airbag, characterized in that, include: The main chamber is located near the driver's seat, and the secondary chamber is located near the passenger's seat; The main chamber and the auxiliary chamber are connected by a number of vent holes and / or a number of straps. The angle between the main longitudinal centerline of the main chamber and the secondary longitudinal centerline of the secondary chamber is less than ±20 degrees, and along the vehicle width direction, the main longitudinal centerline and the secondary longitudinal centerline overlap, or the secondary longitudinal centerline is close to the rear of the vehicle. When the airbag is inflated, the secondary chamber supports the vehicle's armrest box, causing the secondary chamber to lift the front passenger's arm upwards. The main chamber and the secondary chamber are parallel and close together, and the secondary chamber compresses the main chamber, causing the main chamber to bend. The main chamber includes a first inflation zone, a second inflation zone, and a closed zone, with the first inflation zone and the second inflation zone connected by the closed zone. When the airbag is inflated, the secondary chamber compresses the closed area, causing it to bend, so that an angle α is formed between the first inflation area and the second inflation area, and the angle α is less than 180 degrees.

2. The distal airbag according to claim 1, characterized in that, The secondary chamber is connected to the first inflation zone and the second inflation zone through several vent holes and several pull straps, and the connection is made in a multi-point connection manner.

3. The distal airbag according to claim 2, characterized in that, The secondary chamber is connected to the first inflation zone and the second inflation zone via a three-point connection.

4. The distal airbag according to claim 3, characterized in that, The auxiliary chamber is connected to the first inflation zone and the second inflation zone through three vent holes; Alternatively, the secondary chamber can be connected to the first inflation zone and the second inflation zone via two vents and a pull strap; Alternatively, the secondary chamber can be connected to the first inflation zone and the second inflation zone via a vent and two straps.

5. The distal airbag according to claim 4, characterized in that, When the secondary chamber is connected to the first inflation zone and the second inflation zone through two vent holes and a pull strap, one of the vent holes on the secondary chamber is connected to the lower part of the first inflation zone, and the other vent hole is connected to the second inflation zone. The two ends of the pull strap are respectively located at the front edge of the first inflation zone and the front edge of the secondary chamber. In the flat state of the airbag, the length of the pull strap is equal to the distance between the front edge of the first inflation zone and the front edge of the secondary chamber. Alternatively, the two ends of the pull strap are respectively located at the front edge of the first inflation zone after folding and the front edge of the secondary chamber, and the length of the pull strap is less than the distance between the front edge of the first inflation zone and the front edge of the secondary chamber.

6. The distal airbag according to claim 1, characterized in that, When the airbag is inflated, the secondary chamber, the first inflation zone, and the second inflation zone form an interacting triangular structure in the cross-section.

7. The distal airbag according to any one of claims 1-5, characterized in that, The thickness of the secondary chamber is greater than the thickness of the main chamber.

8. A vehicle seat, characterized in that, It includes a seat body and a remote airbag as described in any one of claims 1-7, wherein the remote airbag is disposed on the backrest of the seat body on the side near the passenger seat.

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