Patent Grant
10604102
The present disclosure relates to a side air bag device configured to absorb impact applied from a vehicle lateral side, and particularly relates to a side air bag device disposed between a vehicle body and a back seat.
Conventionally, a device including an inflator configured to inject gas into an air bag, a storage box provided with an opening on a vehicle front side and configured to store the air bag and the inflator, and a resin base cover configured to cover the storage box from the vehicle front side has been known as a side air bag device disposed between a vehicle body door and a back seat in a vehicle width direction (see, e.g., Japanese Patent Publication JP 2009-040328A).
In the side air bag device described in Japanese Patent Publication JP 2009-040328A, when the air bag stored in the resin storage box is expanded by the inflator, the air bag breaks a thin portion of the resin base cover on the vehicle front side and therefore expands and deploys. Specifically, a vehicle battery provided on a vehicle body and the inflator are connected together via a harness. When an impact equal to or greater than a predetermined value is applied from a vehicle lateral side, an impact sensor (not shown) detects such impact, and ignition electric power is supplied to the inflator. Then, the air bag expands and deploys at the side of a seated passenger. In this case, the air bag and the inflator are stored in the storage box with these components being held by a metal retainer. Thus, retention of the air bag and the inflator can be ensured, and the air bag can be guided in an expansion and deployment direction.
In the side air bag device of Japanese Patent Publication JP 2009-040328A, the above-described resin base cover is disposed and fitted into a space between the vehicle body and the back seat, and the base cover is typically fixed with upper and lower end portions thereof being assembled with a vehicle body member. However, in driving of a vehicle, e.g., vibrations of the vehicle body and impacts received from a seated passenger are transmitted to the side air bag device. Thus, for stable attachment of the side air bag device on the vehicle body, design needs to be made to improve rigidity of attachment between the resin base cover and the vehicle body member. Particularly in the case of the side air bag device disposed in the space between the vehicle body and the back seat, the process of attaching components in a narrow space needs to be performed, and for this reason, design needs to be made to utilize existing components to ensure attachment rigidity of the side air bag device.
Moreover, in the side air bag device of Japanese Patent Publication JP 2009-040328A, the inflator is stored in the storage box on a vehicle back side of the base cover, and therefore, the harness extends in a relatively-complicated pattern from the vehicle battery toward the inflator stored in the storage box. However, in the above-described side air bag device, no arrangement is made to support the harness on the base cover and the storage box as components of the side air bag device. Therefore, when the harness freely moves around, for example, under vibrations received from the seated passenger and vibrations of the vehicle body, the harness may come into contact with the air bag at the time of expansion and deployment, therefore affecting the deployment of the air bag. Moreover, in driving of the vehicle, the harness may be caught by other components, leading to deformation of the harness. Particularly in the case of the side air bag device disposed in the space between the vehicle body and the back seat, the process of attaching the components in the narrow space needs to be performed, and for this reason, the harness needs to be compactly disposed.
Further, in the side air bag device of Japanese Patent Publication JP 2009-040328A, when the inflator operates to expand the air bag, a large gas pressure of the inflator allowing the air bag to expand is loaded to the storage box, and as a result, the storage box deforms. This may affect the expansion direction of the air bag. Therefore, the technique of improving, at the time of expansion and deployment of the air bag, rigidity of the periphery of the storage box storing the air bag and the inflator has been demanded. Particularly in the above-described prior art, the storage box of the side air bag device is made of metal for strength improvement, but on the other hand, it has been desired to make the storage box from resin for the purpose of weight reduction. Thus, even if the material of the storage box is changed to resin, the technique of reducing deformation of the storage box at the time of expansion and deployment of the air bag has been desired.
In addition, since the side air bag device of Japanese Patent Publication JP 2009-040328A is assembled and fitted into a space between the vehicle body door and the back seat, e.g., vibration of the vehicle body and impact received from the seated passenger are transmitted to the side air bag device in driving of the vehicle. Thus, a design is desired that reduces contact noise between the vehicle body and the side air bag device.
The present disclosure has been made in view of the foregoing problems, and describes various embodiments of a side air bag device which is disposed in a space between a vehicle body and a back seat and for which rigidity of attachment to a vehicle body member is improved. Moreover, the present disclosure further describes embodiments of a side air bag device for which existing components are utilized to ensure rigidity of attachment to a vehicle body member. In addition, the present disclosure still further describes an embodiment of a side air bag device which can suitably support a harness on components. Moreover, the present disclosure still further describes an embodiment of a side air bag device disposed in a space between a vehicle body and a back seat such that a harness is compactly disposed. In addition, the present disclosure still further describes an embodiment of a side air bag device which can reduce deformation of the periphery of a storage box storing an air bag and an inflator and stabilizing an expansion direction of the air bag. Further, the present disclosure still further describes an embodiment of a side air bag device which can reduce, in driving of a vehicle, contact noises between a vehicle body and the side air bag device.
According to an embodiment of the side air bag device of the present disclosure, the above-described problems are solved by a side air bag device provided between a vehicle body and a back seat, the side air bag device including: an expandable air bag; an inflator configured to supply gas into the air bag a base member including a base storage configured to store the air bag in a folded state and the inflator and a base attachment portion attached to the vehicle body, the base member being attached between a vehicle body door and the back seat; and a retainer member configured to hold the base storage from a vehicle back side. The retainer member extends from a portion holding the base storage toward the base attachment portion, and the retainer member is attached to the vehicle body together with the base attachment portion while being overlapped with the base attachment portion.
With the above-described configuration, the base attachment portion of the base member, serving as a base plate of the side air bag device, is attached to the vehicle body together with the retainer member while being overlapped with the relatively-high rigidity retainer member. Thus, rigidity of attachment of the side air bag device to a vehicle body member is improved. Moreover, with the above-described configuration, the retainer member as an existing component can be utilized to ensure rigidity of attachment of the side air bag device to the vehicle body member.
In the above-described state, a portion of the retainer member overlapped with the base member may extend from the base attachment portion toward the base storage. With the above-described configuration, the portion where the retainer member and the base member overlap each other is large, and therefore, rigidity of attachment of the side air bag device to the vehicle body member is further improved.
In the above-described state, the retainer member may be provided with a deflecting portion bent along the shape of the vehicle body, the deflecting portion being formed between an upper end portion holding the base storage and a lower end portion overlapped with the base attachment portion. With the above-described configuration, the side air bag device can be attached along the shape of the vehicle body. As a result, contact among these components can be inhibited, therefore increasing support rigidity.
In the above-described state, the base storage and the retainer member may respectively include holes communicating with each other in a state where the base storage and the retainer member are assembled to each other. An assembled portion for assembly of the inflator to the base storage and the retainer member may be provided at a portion of the inflator which faces the holes. An assembly member may be assembled to the assembled portion from an opposite side of the retainer hole from the base hole. With the above-described configuration, the inflator is, at a time, assembled to the base storage and the retainer member by the assembly member from the opposite side of the retainer member relative to the inflator. Thus, attachment rigidity of the inflator and the air bag is improved, and the attachment process is facilitated.
In the above-described state, a peripheral edge portion of the retainer hole of the retainer member may be provided with a fitting recess which is formed recessed toward the inflator and into which the assembly member is fitted. With the above-described configuration, the inflator can be compactly assembled to the base storage and the retainer member without protrusion of the assembly member. Moreover, the assembly member can be assembled into the relatively-high rigidity fitting recess.
In the above-described state, the fitting recess of the retainer member may be narrowed in a tapered shape from an opening toward a bottom portion. With the above-described configuration, the assembly member is easily assembled into the fitting recess, and the center of the assembly member is easily aligned with the center of the fitting recess.
In the above-described state, the retainer member may be assembled with the base member such that the fitting recess is fitted into the base hole. With the above-described configuration, assembly rigidity of the base member and the retainer member is improved.
In the above-described state, the assembled portion of the inflator may include an assembly shaft protruding toward the retainer member. The retainer member may include: a back wall portion disposed on the vehicle back side of the base storage; and right and left side wall portions that extend from both end portions of the back wall portion in a vehicle width direction toward a vehicle front side. At least one of the side wall portions may be provided with the retainer hole and a slit which is a continuous cut from the retainer hole toward the vehicle front side and into which the assembly shaft is inserted. With the above-described configuration, for example, when the retainer member is assembled to the base storage from the vehicle back side, contact between the retainer member and the assembly shaft of the inflator exposed from the base hole of the base storage can be inhibited, and the process of assembling the retainer member is facilitated.
In the above-described state, the side air bag device may further include a skin material configured to cover the base member from the vehicle front side, the base member storing the air bag and the inflator; and a webbing having one end portion attached to the skin material and the other end portion that extend from the one end portion and are locked to a webbing lock portion provided at the base storage, the webbing being configured to guide the air bag in an expansion direction. A reinforcement portion may be formed on a portion of the retainer member, which holds the webbing lock portion, the reinforcement portion being located on one surface of the retainer member, which is on an opposite side from the other surface of the retainer member to which the webbing is attached. With the above-described configuration, support rigidity of the webbing is improved. Thus, even if a relatively-strong force is applied to the webbing when the air bag expands and deploys, the air bag can be stably guided without detachment of the webbing.
In the above-described state, the side air bag device may further include a harness having one end portion connected to the inflator and configured to supply ignition electric power to the inflator. The harness may extend in an up-to-down direction while being supported on the base member. With the above-described configuration, the side air bag device that enables the harness to be suitably supported on the base member as a component of the side air bag device. Moreover, the harness extends in the up-to-down direction while being supported on the base member. Thus, in the side air bag device disposed in a space between the vehicle body and the back seat, the harness connecting between a vehicle battery provided below the feet of a seated passenger and the air bag and the inflator arranged at the side of the body of the seated passenger can be compactly arranged.
In the above-described state, the harness extending in the up-to-down direction may be sandwiched between the base storage and the retainer member so as to be supported therebetween. As described above, the harness extending in the up-to-down direction is sandwiched between the base storage and the retainer member. Thus, the harness can be suitably supported, and the harness can be inhibited from freely moving for example, under vibrations received from the seated passenger and vibrations of the vehicle body.
In the above-described state, the base storage may be provided with a housing recess which is formed recessed toward an opposite side from the retainer member and in which the harness is housed, and the harness may be supported and surrounded by the housing recess and the retainer member. With the above-described configuration, the harness can be suitably supported and can be compactly arranged.
In the above-described state, a protrusion protruding toward a portion of the vehicle body on the vehicle back side is provided at the retainer member to be located therefrom on the vehicle back side. When the air bag expands and deploys, the protrusion may be disposed in contact with the portion of the vehicle body. With the above-described configuration, the retainer member for protecting the base storage can be restricted from tilting toward the vehicle back side at the time of expansion and deployment of the air bag. That is, rigidity of support of the retainer member for the base storage is enhanced. Thus, deformation of the periphery of the base storage at the time of expansion and deployment of the air bag can be reduced, and the air bag can be stably deployed in the expansion and deployment direction. Moreover, a back surface of the retainer member partially protrudes to contact a portion of the vehicle body. Thus, a space in a vehicle front-to-back direction can be ensured at portions other than the protrusion. Further, when the air bag expands and deploys, the protrusion is disposed to contact a portion of the vehicle body. Thus, in driving of a vehicle, contact noises between the vehicle body and the side air bag device can be reduced.
In the above-described state, the retainer member may include: a back wall portion disposed on the vehicle back side of the base storage; and right and left side wall portions extending from both end portions of the back wall portion in a vehicle width direction toward the vehicle front side. The protrusion may be formed such that at least a portion of the back wall portion is recessed toward the vehicle back side. With the above-described configuration, support rigidity of the retainer member can be improved with a simple structure, and tilting of the retainer member toward the vehicle back side at the time of expansion and deployment of the air bag can be restricted.
In the above-described state, the base storage and the retainer member may respectively include holes into which an assembly shaft provided at the inflator is inserted, the holes communicating with each other. An assembly member may be assembled to the assembly shaft from an opposite side of the holes from the inflator. The assembly shaft may include at least a first assembly shaft provided on an upper end side of the inflator and a second assembly shaft provided on a lower end side of the inflator. The protrusion may be disposed between an upper end of the first assembly shaft and a lower end of the second assembly shaft. As described above, the protrusion of the retainer member can be disposed between the first and second assembly members of the inflator in the up-to-down direction to contact the vehicle body member. Thus, the retainer member can efficiently receive a reactive force generated when the air bag expands and deploys toward the vehicle front side.
According to an embodiment, the base attachment portion is attached to the vehicle body together with the retainer member while being overlapped with the relatively-high rigidity retainer member. Thus, rigidity of attachment of the side air bag device to the vehicle body member is improved. Moreover, the retainer member as the existing component can be utilized to ensure rigidity of attachment of the side air bag device to the vehicle body member. According to an embodiment, the portion where the retainer member and the base member overlap each other is large, and therefore, rigidity of attachment of the side air bag device to the vehicle body member is further improved. According to an embodiment, the side air bag device can be attached along the shape of the vehicle body. As a result, contact among these components can be inhibited, therefore improving support rigidity. According to an embodiment, attachment rigidity of the inflator and the air bag is improved, and the attachment process is facilitated.
According to an embodiment, the inflator can be compactly assembled to the base storage and the retainer member without protrusion of the assembly member. Moreover, the assembly member can be assembled into the relatively-high rigidity fitting recess. According to an embodiment, the assembly member is easily assembled into the fitting recess, and the center of the assembly member is easily aligned with the center of the fitting recess. According to an embodiment, assembly rigidity of the base member and the retainer member is improved. According to an embodiment, for example, when the retainer member is assembled to the base storage from the vehicle back side, contact between the assembly shaft of the inflator and the retainer member can be inhibited, and the process of assembling the retainer member is facilitated. According to an embodiment, support rigidity of the webbing is improved. Thus, even if a relatively strong force is applied to the webbing when the air bag expands and deploys, the air bag can be stably guided without detachment of the webbing.
According to an embodiment, the harness can be suitably supported on the base member as the component of the side air bag device. Moreover, the harness can be compactly disposed. According to an embodiment, the harness can be suitably supported, and the harness can be restricted from freely moving, for example, under vibrations received from the seated passenger and vibrations of the vehicle body. According to an embodiment, the harness can be suitably supported and can be compactly arranged.
According to an embodiment, the retainer member for protecting the base storage can be restricted from tilting toward the vehicle back side at the time of expansion and deployment of the air bag. That is, deformation of the periphery of the base storage at the time of expansion and deployment of the air bag can be inhibited, and air bag can stably deploy in the expansion and deployment direction. The space in the vehicle front-to-back direction can be ensured at portions other than the protrusion in the retainer member. Further, in driving of the vehicle, contact noises between the vehicle body and the side air bag device can be reduced. According to an embodiment, support rigidity of the retainer member can be improved with the simple structure, and tilting of the retainer member toward the vehicle back side at the time of expansion and deployment of the air bag can be restricted. According to an embodiment, the retainer member can efficiently receive reactive force generated when the air bag expands and deploys toward the vehicle front side.
Various embodiments of side air bag devices of the present disclosure are described below with reference to
A side air bag device S of the present embodiment is a device configured to absorb impact applied from a vehicle lateral side to a seated passenger. As illustrated in
As illustrated in
The air bag 10 includes a bag-shaped member configured to, when impact is applied from the vehicle lateral side, expand and deploy into a balloon shape, from the folded state of
When impact is applied from the vehicle lateral side in the above-described configuration, ignition electric power is supplied from a vehicle battery (not-shown) to the inflator 11 via the harness 40, the vehicle battery being disposed below the feet of the seated passenger on the vehicle body. Then, the air bag 10 expands and deploys at the side of the seated passenger. The air bag 10 and the inflator 11 are stored in a base storage 24 provided at the base member 20, described below.
The base member 20 includes a resin frame member as a base plate of the side air bag device S. As illustrated in
The base body 21 includes a plate-shaped member in a substantially inverted L-shape. The base body 21 includes, as components thereof, the base storage 24 integrally formed slightly closer to a vehicle outer side with respect to a center portion of the base body 21 in the vehicle width direction and recessed toward the vehicle back side, and a base attachment portion 21a integrally formed lower than the base storage 24, extending downward from the base body 21, and attached to a vehicle body member (not-shown). Note that another base attachment portion attachable to a vehicle body member is integrally formed at an upper end portion of the base body 21.
The base outer wall portion 22 formed by a substantially rectangular plate-shaped member is disposed facing the vehicle body door 2a. At an extending end portion of the base outer wall portion 22, a plurality of lock claws 22a configured to lock one end portion of the skin material 60 are integrally formed with a predetermined spacing in the up-to-down direction. Similarly, the base inner wall portion 23 formed by a substantially rectangular plate-shaped member is disposed facing the seat back 1a of the back seat 1. At an extending end portion of the base inner wall portion 23, an insertion groove 23a into which the other end portion of the skin material 60 is to be inserted is integrally formed elongated in the up-to-down direction. The width of the base outer wall portion 22 in a vehicle front-to-back direction is formed to be smaller than that of the base inner wall portion 23.
As illustrated in
As illustrated in
As illustrated in
The retainer member 30 includes a metal holding member configured to hold the air bag 10 and the inflator 11 from the vehicle back side, and as illustrated in
As illustrated in
A portion of the back wall portion 30a overlapped with the base attachment portion 21a extends from the base attachment portion 21a toward the base storage 24, substantially to the center position between the base attachment portion 21a and the base storage 24. Note that flange portions protruding toward the vehicle front side are formed at both end portions in the vehicle width direction of the extending portion of the back wall portion 30a. Thus, rigidity of the retainer member can be ensured, and rigidity of attachment to the base attachment portion 21a can be improved. As illustrated in
As illustrated in
As illustrated in
The retainer hole 33 and the base hole 28 are arranged to communicate with each other in a state where the retainer member 30 and the base storage 24 are attached to each other. Specifically, each fitting recess 34 of the retainer member 30 is fitted to a corresponding one of the base holes 28, and in this manner, the retainer member 30 and the base storage 24 are attached to each other. Each fitting recess 34 is narrowed in a tapered shape from an opening toward a bottom portion, therefore being easily fitted to a corresponding one of the base holes 28.
In the above-described configuration, each assembly shaft 13 of the inflator 11 is, as illustrated in
Moreover, in the above-described configuration, the slits 28a are formed at the base storage 24 as illustrated in
Further, in the above-described configuration, the slits 33a are formed at the retainer member 30 as illustrated in
As illustrated in
As illustrated in
In the above-described configuration, before the air bag 10 expands and deploys, as illustrated in
Moreover, in the above-described configuration, the protrusion 39 is, in the up-to-down direction, disposed between the assembly shaft 13a and the assembly shaft 13b of the inflator 11. Specifically, the protrusion 39 is arranged at a position corresponding substantially to the center portion of the inflator 11 in the up-to-down direction. Thus, the retainer member 30 can efficiently receive reactive force generated when the air bag 10 expands and deploys toward the vehicle front side. Note that the protrusion 39 improves rigidity of the periphery of the protrusion 39 of the retainer member 30, in some embodiments.
Further, in the above-described configuration, the load receiving surface of the protrusion 39 for the vehicle body member 38 is formed in a planar shape so as to conform to the shape of the contact surface of the vehicle body member 38. Thus, the load receiving surface optimal for the vehicle body member 38 at the time of expansion and deployment of the air bag can be provided at the retainer member 30.
In addition, in the above-described configuration, the retainer member 30 is, as illustrated in
The harness 40 is a wire harness configured to supply ignition electric power to the inflator 11. The harness 40 is formed such that a plurality of electrical wires is bundled by a corrugated tube and a coupler is attached to each end portion of the bundled wire. As illustrated in
The harness 40 extends across over along the up-to-down direction while being supported by the base member 20 and the retainer member 30. Specifically, as illustrated in
The harness 40 bends while extending downward from the hooked upper end portion thereof. Moreover, a center portion of the harness 40 in the up-to-down direction is supported along the outer wall portion 30b of the retainer member 30. Then, the harness 40 extends downward from the center portion thereof such that the lower end portion 42 is connected to the vehicle battery provided on the vehicle body.
As illustrated in
The pad member 50 integrally includes: an outer pad member 50a disposed on the vehicle outer side with respect to the pad opening 51; and an inner pad member 50b disposed on the vehicle inner side with respect to the pad opening 51. The pad opening 51 is an opening elongated in the up-to-down direction, and the webbing 70 is inserted into the pad opening 51 from the skin material 60 toward the base member 20. The pad opening 51 is, in the vehicle width direction, positioned on the opposite side of the webbing lock portions 27 with respect to the air bag 10.
In the above-described configuration, when the air bag 10 expands and deploys as illustrated in
As illustrated in
The other end portion 62a of the outer skin material 62 on the vehicle outer side is locked to the lock claws 22a of the base outer wall portion 22 so as to extend in the up-to-down direction, and the other end portion 63a of the inner skin material 63 is inserted into the insertion groove 23a of the base inner wall portion 23. Specifically, the other end portion 62a of the outer skin material 62 is provided with lock holes formed in the up-to-down direction for locking to the lock claws 22a, and a resin trim strip for insertion into the insertion groove 23a is sewn to the other end portion 63a of the inner skin material 63.
In the above-described configuration, when the air bag 10 expands and deploys as illustrated in
The webbing 70 includes a fabric member configured to guide the air bag 10 in the expansion and deployment direction toward the vehicle front side. As illustrated in
Specifically, the webbing 70 extends from the one end portion 71 sewn to the skin breakable portion 61 of the inner skin material 63, along a front surface of the inner pad member 50b, toward the vehicle outer side, and subsequently reaches a portion facing the pad opening 51. Then, the webbing 70 extends through the pad opening 51 along a vehicle outer surface and a back surface of the inner pad member 50b, and subsequently reaches a webbing insertion hole 29 provided at the inner wall portion 24c of the base storage 24. In this state, the webbing 70 extends to pass between the pad member 50 and the air bag 10 in the vehicle front-to-back direction.
Then, the webbing 70 extends to the webbing lock portions 27 through the webbing insertion hole provided at the base storage 24, and the webbing 70 is subsequently locked to the webbing lock portions 27. In this state, a resin trim strip for locking to the webbing lock portions 27 is sewn to the other end portion 72 of the webbing 70.
In the above-described configuration, when the air bag 10 expands and deploys as illustrated in
Moreover, in the above-described configuration, as illustrated in
Next, a second embodiment of the side air bag device S is described in accordance with
As illustrated in
The retainer member 130 includes a back wall portion 130a, outer and inner wall portions 130b, 130c that extend from the back wall portion 130a toward the vehicle front side, and a second inner wall portion 130d provided at the back wall portion 130a and disposed on the vehicle inner side from the inner wall portion 130c to extend toward the vehicle front side. The second inner wall portion 130d is disposed on the vehicle inner side from the second inner wall portion 124d of a base member 120, and the back wall portion 130a and the inner wall portion 130c hold the second inner wall portion 124d so as to sandwich the second inner wall portion 124d therebetween.
The harness 140 is supported in a state where a center portion thereof in the up-to-down direction is surrounded by the housing recess 126 of the base storage 124 and the second inner wall portion 130d of the retainer member 130. In other words, the harness 140 is supported in a state where the center portion of the harness 140 in the up-to-down direction is surrounded by a housing portion formed by the back wall portion 130a, the inner wall portion 130c, and the second inner wall portion 130d of the retainer member 130 and by the second inner wall portion 124d of the base storage 124.
In the above-described configuration, the harness 140 and the webbing lock portions 127 are attached to the inner wall portion 124c of the base storage 124, whereas the assembly shafts 13 of the inflator 11 are assembled to the outer wall portion 124b. The harness 140 and the webbing lock portions 127 are arranged at different positions in the vehicle front-to-back direction. Thus, contact among these components can be inhibited, therefore increasing efficiency in the assembling process.
Moreover, in the above-described configuration, the webbing lock portions 127 are supported while being sandwiched between the inner wall portion 124c and the second inner wall portion 124d in the vehicle width direction, therefore improving support rigidity of the webbing lock portion 127.
Next, a third embodiment of the side air bag device S is described in accordance with
As illustrated in
The retainer member 230 includes a back wall portion 230a, outer and inner wall portions 230b, 230c that extend from the back wall portion 230a toward the vehicle front side, a second back wall portion 230d that extends from the outer wall portion 230b toward the vehicle outer side, and a second outer wall portion 230e that extends from the second back wall portion 230d toward the vehicle front side. The second back wall portion 230d and the second outer wall portion 230e extend along a back surface of the base storage 224.
The harness 240 is supported in a state where a center portion thereof in the up-to-down direction is surrounded by the outer wall portion 224b and the second outer wall portion 224d of the base storage 224 and by the second back wall portion 230d and the second outer wall portion 230e of the retainer member 230.
In the above-described configuration, the harness 240 and the assembly shafts 13 of the inflator 11 are attached to the outer wall portion 224b of the base storage 224, whereas webbing lock portions 227 are assembled to the inner wall portion 224c. The harness 240 and the assembly shafts 13 are arranged at different positions in the vehicle front-to-back direction. Thus, contact among these components can be reduced, leading to an efficient assembly process.
Next, a fourth embodiment of the side air bag device S is described in accordance with
The harness 340 is supported in the up-to-down direction in a state where a center portion thereof in the up-to-down direction is housed in an internal space formed by the skin material 60 and a lock recess provided behind the lock claw 322a. Specifically, the lock recess provided at the lock claw 322a is formed by cutting the lock claw from the vehicle back side toward the vehicle front side, and a vehicle-outer-side end portion of the skin material 60 is provided with a through-hole (not-shown) into which the harness 340 can be inserted.
In the above-described configuration, the harness 340 is attached to a vehicle-outer-side end portion of the base member 320, and the assembly shafts 13 of the inflator 11 are attached to an outer wall portion 324b of a base storage 324. Moreover, webbing lock portions 327 are assembled to an inner wall portion 324c. Thus, contact among these components can be inhibited, therefore increasing efficiency in the assembling process.
Next, a fifth embodiment of the side air bag device S is described in accordance with
Specifically, the inner wall portion 330c extends in a substantially linear shape from a vehicle-inner-side end portion of a back wall portion 330a toward the vehicle front side, and the extending end portion of the inner wall portion 330c serves as the webbing holding portion 332 to cover and hold the webbing lock portions 27. Thus, as compared to the first embodiment of
In the above-described embodiments, in the side air bag device S, as illustrated in
In the above-described embodiment, as illustrated in
In the above-described embodiment, in the base storage 24 of the base member 20, as illustrated in
In the above-described embodiment, as illustrated in
As another example, illustrated in
In another example, as illustrated in
In an embodiment, as illustrated in
In the above-described embodiment, as illustrated in
In the above-described embodiment, as illustrated in
In the above-described embodiment, at a portion of the back wall portion 24a of the base storage 24 facing the protrusion 39 of the retainer member 30, another protrusion protruding toward the vehicle back side may be formed integrally or separately. Such protrusion is preferably formed so as to conform to the shape of the protrusion 39 of the retainer member 30. With this configuration, rigidity of the periphery of the base storage 24 can be further improved, and the air bag 10 can further stably deploy in the expansion and deployment direction. In addition, with this configuration, the position of the retainer member 30 during assembly thereof may be more readily determined.
In the above-described embodiment, as illustrated in
In the above-described embodiment, the pad member 50 is formed as an integral body, but is not limited thereto. Alternatively, for example, the outer pad member 50a and the inner pad member 50b may be formed as separate bodies. Moreover, the pad member 50 may be placed at least on the vehicle front side from the base storage 24 of the base member 20. In this manner, as long as the pad member 50 is placed at least on the front side of the base storage 24, a vehicle front-side surface of the side air bag device S may not be partially recessed, and in addition, the side air bag device S can be formed to have a substantially flush outer surface.
In the above-described embodiment, the side air bag device S used for the automobile back seat is described as a specific example, but is not limited thereto. Alternatively, the side air bag device S may be utilized for an automobile front seat, vehicle seats of trains, buses, or the like, and passenger seats of airplanes, ships, or the like.
In the above-described embodiments, the side air bag device S of the present disclosure is mainly described. The aforementioned embodiments are merely examples for facilitating understanding of the present disclosure, and the embodiments are not intended to restrict the embodiments of the present disclosure. Changes and modifications can be made to the embodiments without departing from the scope of the invention, and it will be understood that the present disclosure encompasses equivalents thereof.
S: side air bag device
1: back seat
2: vehicle body
10: air bag
11: inflator
12: harness connection portion
13, 13a, 13b: assembly shaft
20, 320, 420: base member
21: base body
22, 322: base outer wall portion
23: base inner wall portion
24, 124, 224, 324, 424: base storage
25: cut portion
26
a: deep recessed portion
26
b: shallow recessed portion
27, 27a, 27b, 127, 227, 327: webbing lock portion
28, 428: base hole
29: webbing insertion hole
30, 130, 230, 330, 430: retainer member
31: cut portion
32, 332: webbing holding portion
33: retainer hole
34, 434: fitting recess
35: assembly member
38: vehicle body member
39, 139, 239, 339: protrusion
40, 140, 240, 340: harness
41: upper end portion
42: lower end portion
50: pad member
51: pad opening
60: skin material
61: skin breakable portion
62: outer skin material
63: inner skin material
70: webbing
71: one end portion
72: other end portion
126: housing recess
| Number | Date | Country | Kind |
|---|---|---|---|
| 2014-144488 | Jul 2014 | JP | national |
This application is a divisional of U.S. patent application Ser. No. 15/325,909, filed on Jan. 12, 2017, which is a National Stage Entry application of PCT Application No. PCT/JP2015/070087, filed Jul. 13, 2015, which claims the priority benefit of Japanese Patent Application No. JP2014-144488, filed Jul. 14, 2014, the contents of all being incorporated herein by reference.
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| Number | Date | Country | |
|---|---|---|---|
| 20180001859 A1 | Jan 2018 | US |
| Number | Date | Country | |
|---|---|---|---|
| Parent | 15325909 | US | |
| Child | 15704342 | US |
