JP2006240545A - Occupant crash protection device for vehicle - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To suppress an upper half of the body of an occupant from being brought into contact with an object even if the object intrudes from the outside of the vehicle into a cabin through a side window in an occupant crash protection device for a vehicle. <P>SOLUTION: A seat slide mechanism 36 can move a seat in a longitudinal direction of the vehicle and has first and second slide parts 36a, 36b. The first slide part 36a has an upper slider part 37, a lower guide part 38 and a slide tensioner 43. The slide tensioner 43 is operated when side collision or lateral falling of the vehicle 1 is forecasted by a controller. Thereby, the upper slider part 37 of the first and second slide parts 36a, 36b slides to a rear side of the vehicle relative to the lower guide part 38 and the head of the occupant P is moved to a predetermined position near a pillar 13. <P>COPYRIGHT: (C)2006,JPO&NCIPI

Description

  The present invention relates to a vehicle occupant protection device.

  2. Description of the Related Art Conventionally, a vehicle occupant protection device is known that suppresses an occupant seated on a vehicle seat from coming into contact with a door or the like during a side collision (side collision) or rollover.

  For example, Patent Document 1 discloses a vehicle occupant protection device that keeps an occupant's upper body away from a door during a side collision or rollover of the vehicle. This device has an airbag housed in a portion of the seat cushion in the vehicle width direction outer side (door side), and an operation unit that inflates and deploys the airbag when the vehicle side-impacts or rolls over. And in the said apparatus, the part of the vehicle width direction outer side of a seat cushion displaces to the upper side rather than the part inside a vehicle width direction by inflating and deploying an airbag at the time of a side collision or rollover of a vehicle. Thereby, the vehicle width direction outer side part of a passenger | crew's buttocks is displaced above the vehicle width direction inner side part. Therefore, the upper body of the occupant tilts toward the vehicle width direction center side of the vehicle, and the occupant's head moves toward the vehicle width direction center side of the vehicle. Therefore, the upper body of the occupant moves away from the door.

Patent Document 2 discloses a vehicle occupant protection device that, like Patent Document 1, keeps the occupant's upper body away from a door during a side collision of the vehicle. In this device, the push frame is placed in the closed cross section of the cross member fixed to the seat mounting portion of the floor panel, the side portion protrudes into the cross section of the side sill, and the side end portion is in close proximity to the inner surface of the side sill. The seat is attached to the push frame with bolts or the like. When the side sill outer is deformed inward in the vehicle width direction when the vehicle collides, the push frame is pushed inward in the vehicle width direction, and the push frame and the cross member are unlocked. Accordingly, the seat moves as the push frame moves inward in the vehicle width direction. Therefore, the occupant moves toward the center in the vehicle width direction of the vehicle, and the upper body of the occupant moves away from the door.
Japanese Patent Laid-Open No. 2004-9798 Japanese Patent Laid-Open No. 10-166918

  However, in the above apparatus, when an object enters the vehicle through the side window from the outside due to a side collision or rollover of the vehicle, there is a possibility that the upper body of the passenger contacts the object.

  The present invention has been made in view of the above points, and an object of the present invention is to determine a side collision or rollover of a vehicle by a determination unit that predicts or detects a side collision or rollover of the vehicle, and to predict a side collision or rollover of the vehicle by the determination unit. Or a vehicle occupant protection device comprising a moving means for moving a predetermined portion of the occupant's body seated on the vehicle seat to a predetermined position when the object is detected from outside the vehicle via the side window. It is to provide a technique capable of suppressing the upper body of an occupant from coming into contact with the object even if the vehicle enters the vehicle.

  According to a first aspect of the present invention, there is provided a determining means for predicting or detecting a side collision or rollover of a vehicle, and a body of an occupant seated on the vehicle seat when the determination means predicts or detects a side collision or rollover of the vehicle. A vehicle occupant protection device comprising a moving means for moving a predetermined portion of the vehicle to a predetermined position, wherein the moving means is configured to predict or detect a side collision or rollover of the vehicle by the determining means. The position or form of the seat is changed, and the head of the occupant as the predetermined portion is moved to a predetermined position in the vicinity of the pillar of the vehicle. .

  As a result, when the side collision or rollover of the vehicle is predicted or detected by the judging means, the position or form of the seat is changed by the moving means, and the head of the occupant is moved to a predetermined position near the pillar of the vehicle. Therefore, the head of the passenger is hidden in the pillar when viewed from the side of the vehicle. Therefore, even if an object enters the vehicle through the side window from the outside of the vehicle, the upper body of the occupant can be prevented from contacting the object.

  According to a second invention, in the first invention, the moving means predicts or detects a side collision or rollover of the vehicle by the seat slide mechanism capable of moving the seat in the vehicle longitudinal direction and the judging means. And a drive means for operating the seat slide mechanism to change the position of the seat.

  Thereby, since the moving means is configured using an existing seat slide mechanism, the moving means can be configured easily.

  According to a third aspect of the present invention, in the first aspect of the present invention, when the side collision or rollover of the vehicle is predicted or detected by the determination means, the occupant's head is moved to the vehicle width direction center side of the vehicle. A width direction moving means is further provided.

  Thereby, when the side collision or rollover of the vehicle is predicted or detected by the judging means, the head of the occupant is moved to the vehicle width direction center side by the vehicle width direction moving means. Move away from the pillar in the direction. Therefore, it can suppress reliably that a passenger | crew's upper body contacts the object from the outside of a vehicle.

  Further, since the upper body of the occupant moves away from the pillar in the vehicle width direction, it is possible to suppress the upper body of the occupant from coming into contact with the pillar.

  In a fourth aspect based on the third aspect, the moving means has an upper slider portion fixed to the seat and a lower guide portion fixed to the vehicle body, and moves the seat in the vehicle longitudinal direction. A possible seat slide mechanism, and a drive unit that operates the seat slide mechanism to change the position of the seat when the side collision or rollover of the vehicle is predicted or detected by the determination unit. The vehicle width direction moving means is provided above the upper slider portion, and the portion inside the vehicle width direction of the occupant's buttocks is lower than the portion outside the vehicle width direction during the operation of the driving means. It is configured to be displaced.

  In the present invention, the vehicle width direction moving means is provided above the upper slider portion of the seat slide mechanism, and is a portion on the inner side in the vehicle width direction of the occupant's buttocks during the operation of the driving means, that is, during the change of the seat position. Is displaced below the vehicle width direction outer side. Therefore, as compared with the conventional case where the portion of the occupant's buttocks on the outer side in the vehicle width direction is displaced to the upper side of the portion on the inner side in the vehicle width direction, the initial time when the occupant is displaced is transmitted to the seat slide mechanism. Temporary load can be reduced. Therefore, the seat slide mechanism can be operated (slid) smoothly.

  According to a fifth aspect of the present invention, the seat belt device according to the fourth aspect of the present invention further includes a seat belt device in which an end portion on the inner side in the vehicle width direction is fixed to a center portion in the vehicle width direction of the vehicle body. A seat belt for restraining the seat and a tension mechanism for restraining the occupant to the seat by applying tension to the seat belt after the operation of the driving means.

  Thus, after the operation of the driving means, that is, after the position of the seat is changed, tension is applied to the seat belt by the tension mechanism to restrain the occupant to the seat. That is, the tension applied to the seat belt by the tension mechanism, which can be performed in a relatively short time (rapidly), is performed after the change of the position of the sheet. For this reason, the occupant can be restrained to the seat immediately after the seat position has been reliably changed.

  According to a sixth invention, in the first or fourth invention, there is provided a curtain airbag that is deployed so as to cover the side window of the vehicle when the side collision or rollover of the vehicle is predicted or detected by the determination means. The curtain airbag further includes an inflating portion that inflates and deploys so as to cover only the vicinity of the pillar.

  In the present invention, when a vehicle side collision or rollover is predicted or detected by the judging means, the occupant's head is moved to a predetermined position in the vicinity of the vehicle pillar as described above, so that the occupant's head is protected. Therefore, the inflating portion of the curtain airbag can be inflated and deployed so as to cover only the vicinity of the pillar. Therefore, the length in the vehicle width direction of the inflated and expanded state can be reduced. This also makes it possible to deploy the curtain airbag in a relatively short time (rapidly).

  Further, in the fourth aspect of the invention, when the side collision or rollover of the vehicle is predicted or detected by the determination means, as described above, the occupant's upper body moves away from the pillar in the vehicle width direction. Can be increased in thickness.

  According to the present invention, when a side collision or rollover of the vehicle is predicted or detected, the position or form of the seat is changed, and the head of the occupant is moved to a predetermined position near the pillar of the vehicle. Head is hidden behind the pillar when viewed from the side of the vehicle. Therefore, even if an object enters the vehicle through the side window from the outside of the vehicle, the upper body of the occupant can be prevented from contacting the object.

  Hereinafter, embodiments of the present invention will be described in detail with reference to the drawings.

(Embodiment 1)
The vehicle 1 on which the vehicle occupant protection device 50 according to the embodiment of the present invention is mounted includes a vehicle body, a side door, and a seat. As shown in FIGS. 1 to 3, the vehicle body includes a floor panel 11, a pair of front pillars 12, a pair of center pillars 13, a pair of rear pillars (not shown), and a roof 14. The side door has a pair of front doors 21 and a pair of rear doors 22. These doors 21, 22 include an outer panel 23, an inner panel 24 provided on the inner side in the vehicle width direction of the outer panel 23, a door trim 25 provided on the inner side in the vehicle width direction of the inner panel 24, and the doors 21, 22. And a window glass 26 that covers the window opening in an openable and closable manner. The seat is installed on the upper surface of the floor panel 11 and is provided on the front side of the front seat including a driver seat (not shown) and a passenger seat 32 arranged in parallel in the vehicle width direction, and on the vehicle rear side of the front seat. A rear seat (not shown).

  Hereinafter, the passenger seat 32 will be described. The other seats, particularly the driver's seat, have substantially the same configuration as the passenger seat 32.

  The passenger seat 32 includes a seat cushion 33, a seat back 34, and a headrest 35. The seat back 34 is attached to the rear end portion of the seat cushion 33 so as to be able to fall on the upper surface of the seat cushion 33. In the present embodiment, the rearward inclination angle θ with respect to the vertical direction (vertical direction) of the seat back 34 is 15 to 25 degrees during normal times (for example, during driving operation by the driver) (see FIG. 3). It should be noted that the angle changing mechanism 62 described later is not operated when the position of the seat is changed due to a side collision or rollover of the vehicle 1 described later. That is, when the seat position is changed, the rearward inclination angle θ is not changed. Thereby, it can suppress that the passenger | crew P who seated on the passenger seat 32 feels uncomfortable at the time of the diagonal rear-end collision of the vehicle 1. FIG. The headrest 35 is attached to the upper end portion of the seat back 34.

  In the passenger seat 32, a seat slide mechanism 36 (moving means), an angle changing mechanism 62, and a seat mount 44 are disposed. The seat slide mechanism 36 is capable of moving the passenger seat 32 in the vehicle front-rear direction, and the first and second slides respectively disposed at both ends in the vehicle width direction of the lower surface of the seat cushion 33 of the passenger seat 32. It has parts 36a and 36b. As shown in FIGS. 1 to 5, the first slide portion 36 a is provided at the end of the lower surface of the seat cushion 33 on the outer side in the vehicle width direction (the outer side in the vehicle width direction; the front door 21 side; the left side in FIG. 2). It is arranged and has an upper slider part 37, a lower guide part 38, a ball member 39, a roller 40, a parallel bar 41 and a link bar 42 (see FIG. 4). The second slide portion 36 b is disposed at an end of the lower surface of the seat cushion 33 on the inner side in the vehicle width direction (right side in FIG. 2), and includes an upper slider portion 37, a lower guide portion 38, a ball member 39, and a roller 40. .

  Hereinafter, the first slide portion 36a will be described. The second slide portion 36b has substantially the same configuration as the first slide portion 36a except for the parallel bar 41 and the link bar 42. The upper slider portion 37 is fixed to the lower surface of the seat cushion 33 so as to extend in the vehicle front-rear direction, and is engaged with the lower guide portion 38. The upper slider portion 37 is formed in a substantially T-shaped cross section (see FIG. 4), and is configured by overlapping first and second plate-like members 37a and 37b. Each of these plate-like members 37a and 37b has a first side wall part 37c, a lower wall part 37d, a second side wall part 37e, and an upper wall part 37f. The first side wall portion 37 c is attached to the lower surface of the seat cushion 33. The upper slider portion 37 is slidable in the vehicle front-rear direction with respect to the lower guide portion 38 by a ball member 39 and a roller 40 as a bearing.

  The lower guide portion 38 is fixed on the upper surface of the floor panel 11 via the seat mount 44 so as to extend in the vehicle front-rear direction. The lower guide portion 38 is formed in a substantially U-shaped cross section (see FIG. 4), and includes a lower wall portion 38a, first and second side wall portions 38b and 38c, and a pair of upper wall portions 38d. A slot 38e extending in the vehicle front-rear direction is formed in the second side wall portion 38c. Both upper wall portions 38d are formed in a curved shape projecting upward (upward) when viewed in the vehicle longitudinal direction.

  The ball members 39 are respectively disposed between the upper wall portions 37f of the plate members 37a and 37b of the upper slider portion 37 and the upper wall portions 38d of the lower guide portion 38. The roller 40 is disposed between the lower wall portion 37d of the plate members 37a and 37b of the upper slider portion 37 and the lower wall portion 38a of the lower guide portion 38 so that the central shaft 40a extends in the vehicle width direction. Has been. Both ends in the vehicle width direction of the central shaft 40a of the roller 40 are fixed to lower ends of both side wall portions 38b and 38c of the lower guide portion 38, respectively. The rollers 40 need to be disposed at least at both ends in the vehicle front-rear direction between the upper slider portion 37 and the lower guide portion 38.

  The parallel bar 41 is inserted in the slot 38e of the lower guide portion 38 and extends in the vehicle width direction on the inner surface in the vehicle width direction of the second side wall portion 37e of the second plate member 37b of the upper slider portion 37. It is attached as follows. The parallel bar 41 is normally positioned between the front end and the rear end of the slot 38e of the lower guide portion 38 (see FIG. 5A), while the controller 90 described later causes a side collision or rollover of the vehicle 1. Is predicted, it abuts against the rear end of the slot 38e (see FIG. 5B). The link bar 42 extends from the parallel bar 41 to the rear side of the vehicle and is coupled to a slide tensioner 43 (moving means, driving means) described later.

  A slide tensioner 43 is attached to the inner surface in the vehicle width direction of the second side wall portion 38 c of the lower guide portion 38. The slide tensioner 43 is disposed on the vehicle rear side with respect to the slot 38e of the lower guide portion 38. The slide tensioner 43 is activated (activated) when the controller 90 predicts a side collision or rollover of the vehicle 1 to activate (drive) the seat slide mechanism 36. As a result, the link bar 42 is pulled to the rear side of the vehicle (that is, the ring bar 42 is pulled into the slide tensioner 43), and the parallel bar 41 comes into contact with the rear end of the slot 38e of the lower guide portion 38 (FIG. 5B). )reference). Accordingly, the upper slider portion 37 of both slide portions 36a and 36b slides toward the vehicle rear side with respect to the lower guide portion 38, and the position of the passenger seat 32 is changed to the vehicle rear side as shown in FIG. Is done. Specifically, the position of the front surface of the headrest 35 is changed within a range from the center position of the center pillar 13 in the vehicle front-rear direction to a position 10 cm from the center position to the rear side of the vehicle when viewed from the side of the vehicle. Therefore, the head of the passenger P seated on the passenger seat 32 (that is, the portion immediately before the passenger seat 32 headrest 35) moves to a predetermined position in the vicinity of the center pillar 13. As a result, most of the head of the occupant P is hidden by the center pillar 13 when viewed from the side of the vehicle. At the same time, the pressing airbag 54a in which the end surface of the upper body of the occupant P (specifically, the chest (chest circumference)) on the outer side in the vehicle width direction (the side surface on the outer side of the chest in the vehicle width direction) is folded. That is, it is a position facing (facing) the pressing airbag unit 54 before operation. In addition, the parallel bar 41, the link bar 42, and the slide tensioner 43 are not arrange | positioned at the 1st slide part 36a of a driver's seat. That is, the position of the driver's seat is not changed when the controller 90 predicts a side collision or rollover of the vehicle 1. This is because if the position of the driver's seat is changed, the driving operation of the driver is hindered. So far, the first slide portion 36a has been described. Although a detailed description is omitted, the seat slide mechanism 36 can be moved manually by the occupant P.

  The angle changing mechanism 62 causes the seat back 34 to fall forward or backward with respect to the seat cushion 33 to change the rearward tilt angle θ of the seat back 34 with respect to the vertical direction.

  The seat mount 44 supports the passenger seat 32 on the upper surface of the floor panel 11. The seat mounts 44 are respectively attached to both ends in the vehicle front-rear direction on the lower surface of the lower wall portion 38a of the lower guide portion 38 of the slide portions 36a, 36b, and include a shaft member 44a and a bottom plate portion 44b. The shaft member 44a is attached to the bottom plate portion 44b so as to extend substantially in the vertical direction. The bottom plate portion 44 b is fixed on the upper surface of the floor panel 11. The two seat mounts 44 of the second slide portion 36b are located below the inner side (specifically, the end) of the passenger seat 32 in the vehicle width direction, the inner side of the passenger seat 32 in the vehicle width direction, and A portion on the inner side in the vehicle width direction of the buttock of the passenger P seated on the passenger seat 32 (including a portion on the inner side in the vehicle width direction of the heel portion, which is the right side portion in FIG. 2) is supported. So far, the passenger seat 32 has been described.

  Hereinafter, the vehicle occupant protection device 50 will be described with reference to FIGS. 1 to 3 and FIGS. 6 to 8. In the following, the description will be made mainly focusing on the passenger seat 32, but the other seats, particularly those relating to the driver seat, have almost the same configuration as that of the passenger seat 32.

  As shown in FIG. 8, the vehicle occupant protection device 50 includes a seat cushion airbag unit 51 (vehicle width direction moving means), a curtain airbag unit 52, a side airbag unit 53, a pressing airbag unit 54, and three points. A seat belt device 55 of the type, the above-described slide tensioner 43, the above-described angle changing mechanism 62, a sensor, and a controller 90 (determination means).

  As shown in FIGS. 1 to 3, 6 and 7, the seat cushion airbag unit 51 is provided in each seat. In other words, the seat cushion airbag unit 51 is disposed above the upper slider portion 37 of the seat slide mechanism 36. The seat cushion airbag unit 51 includes a seat cushion airbag 51a, a gas release pipe 51b, a gas release valve 51c, a gas supply pipe 51d, a gas supply valve 51e, and a gas cylinder 51f. The seat cushion airbag 51a is housed inside a vehicle width direction inner portion of the rear portion of the seat cushion 33, and a vehicle width direction inner portion (the right portion in FIG. 2) of the heel portion of the occupant P seated on the seat. I support it. In other words, the seat cushion airbag 51a is located below (in detail, directly below) a portion of the occupant's P on the inner side in the vehicle width direction. The seat cushion airbag 51a is normally in an inflated state filled with gas (see FIGS. 1 to 3). As described above, since the seat cushion airbag 51a is in an inflated state in normal times, the vehicle width direction inner and outer portions of the rear portion of the upper surface of the seat cushion 33 are at substantially the same height position. On the other hand, when the side cushion or rollover of the vehicle 1 is predicted by the controller 90, the seat cushion airbag 51a escapes gas from the inside thereof, and its vertical length is shorter than the inflated state (that is, its highest level). The vertical position of the point is in a contracted state (see FIG. 6 and FIG. 7). As described above, when the controller 90 predicts a side collision or rollover of the vehicle 1, the seat cushion airbag 51 a is deformed from the inflated state to the contracted state. The inner portion in the width direction is displaced downward (downward) from the outer portion in the vehicle width direction. Along with this, the inner part in the vehicle width direction of the heel of the occupant P is displaced below the outer part in the vehicle width direction (the left part in FIG. 7). As a result, the upper body of the occupant P tilts toward the vehicle width direction center side of the vehicle 1 (inward in the vehicle width direction, see FIG. 1). Move to. In addition, the inner part in the vehicle width direction of the heel of the occupant P is displaced below the outer part in the vehicle width direction, and the upper body of the occupant P is inclined toward the center in the vehicle width direction of the vehicle 1. The head is displaced downward.

  The gas release pipe 51b is for releasing (discharging) the gas in the seat cushion airbag 51 to the outside. The gas discharge pipe 51b has one end opened in the seat cushion airbag 51 and the other end opened outside the seat cushion airbag 51. The gas release valve 51c is disposed in the gas release pipe 51b. The gas release valve 51c is normally closed. On the other hand, the gas release valve 51c is activated when a side collision or rollover of the vehicle 1 is predicted by the controller 90, and is opened. Thus, when the controller 90 predicts a side collision or rollover of the vehicle 1, the gas release valve 51c in the open state releases the gas in the seat cushion airbag 51a to the outside through the gas release pipe 51b. The seat cushion airbag 51a is changed from the inflated state to the contracted state. In addition, after the gas release valve 51c is opened, the controller 90 does not detect (detect) the side collision or rollover of the vehicle 1, and operates again when a predetermined time (for example, 5 seconds) elapses. It becomes a state. The seat cushion airbag unit 51 is set so that the seat cushion airbag 51a is in the contracted state from the inflated state in a short time (predetermined time) within 3 seconds, preferably within 1.6 seconds. In the present embodiment, the seat cushion airbag unit 51 is adjusted so that the above-described deformation of the seat cushion bag 51a is completed in one second.

  The gas supply pipe 51 d is for supplying the gas in the gas cylinder 51 f into the seat cushion airbag 51. One end of the gas supply pipe 51d opens into the seat cushion airbag 51, and the other end is connected to the gas cylinder 51f. The gas supply valve 51e is disposed in the gas supply pipe 51d. The gas supply valve 51e is normally closed. On the other hand, the gas supply valve 51e detects the side collision or rollover of the vehicle 1 by the controller 90 after the gas release valve 51c is opened (that is, after the side collision or rollover of the vehicle 1 is predicted by the controller 90). Instead, it operates when a predetermined time (for example, 5 seconds) elapses, and after being opened for a set time, returns to the closed state. Thereby, the gas in the gas cylinder 51f is supplied into the seat cushion airbag 51a via the gas supply pipe 51d, and the seat cushion airbag 51a returns from the contracted state to the inflated state. The gas cylinder 51f is a container for storing the gas supplied to the seat cushion airbag 51a.

  As shown in FIGS. 3, 6, and 7, the curtain airbag unit 52 is disposed from each front pillar 12 to each end in the vehicle width direction of the roof 14, and includes a curtain airbag 52a and an inflator (see FIG. Not shown). The curtain airbag 52a is normally stored in the curtain airbag unit 52 in a folded state. On the other hand, the curtain airbag 52a is activated when the controller 90 detects a side collision or rollover of the vehicle 1, and the window glass 26 of the front door 21 and the rear door 22 (that is, a side window. Or the upper part of the doors 21, 22). ) To cover the inner surface (see FIGS. 6 and 7). The curtain airbag 52a on the passenger seat 32 side has a plurality (five in this embodiment) of inflating portions 52b that inflate and deploy in a substantially cylindrical shape so as to cover only the vicinity of the upper portion of the center pillar 13. Here, in the present embodiment, the inflating portion 52b refers to a portion of the curtain airbag 52a that has a thickness (length in the vehicle width direction) of 5 cm or more when deployed. In the present embodiment, the inflating portion 52b When deployed, the thickness is 15 cm. Further, these inflating portions 52b cover the range from a position 40 cm from the front edge of the center pillar 13 to the vehicle front side to a position 40 cm from the rear edge of the center pillar 13 to the vehicle rear side when inflated and deployed. In this embodiment, a range from a position 40 cm from the front edge of the center pillar 13 to the vehicle front side to a position 20 cm from the rear edge of the center pillar 13 to the vehicle rear side is covered. It expands and expands as follows. In the present embodiment, when the side collision or rollover of the vehicle 1 is predicted by the controller 90, as described above, the head of the passenger P of the passenger seat 32 moves to the center side in the vehicle width direction of the vehicle 1, so that the passenger seat The upper body of 32 passengers P moves away from the center pillar 13 in the vehicle width direction. Therefore, the thickness of the expansion part 52b in the inflated and deployed state can be increased. Further, the curtain airbag 52a on the driver's seat side also has an inflating portion 52b. However, when the controller 90 predicts a side collision or rollover of the vehicle 1, the driver's seat position is not changed as described above, so that the driver can be sure. From the viewpoint of protection, the inflatable portion 52b of the curtain airbag 52a on the driver's seat side is inflated and deployed so as to cover a wider area than the inflatable portion 52a of the curtain airbag 52a on the passenger seat 32 side when inflated and deployed. preferable. The inflator is activated when the controller 90 detects a side collision or rollover of the vehicle 1 to inflate and deploy the curtain airbag 52a.

  As shown in FIGS. 2, 3, 6 and 7, the side airbag unit 53 is disposed inside the outer end of the seat back 34 of each seat in the vehicle width direction. And an inflator (not shown). The side airbag 53a is normally accommodated in the side airbag unit 53 in a folded state. On the other hand, the side airbag 53a is activated when the controller 90 detects a side collision or rollover of the vehicle 1, and the vehicle width of the upper body (upper body) of the occupant P between the occupant P and the doors 21,22. It expands and expands so as to cover the end portion on the outer side (door side) (see FIGS. 6 and 7). The inflator is activated when the controller 90 detects a side collision or rollover of the vehicle 1, and inflates and deploys the side airbag 53a.

  As shown in FIGS. 2, 3, 6, and 7, the pressing airbag unit 54 has a rear portion of the inner panel 24 of each door 21, 22 (the front door of the passenger seat 32). 21 is arranged at the rear end portion) and is disposed at substantially the same height as the end surface of the chest of the occupant P on the outer side in the vehicle width direction. The pressing airbag unit 54 includes a pressing airbag 54a and an inflator (not shown). The pressing airbag 54a is normally stored in the pressing airbag unit 54 in a folded state. On the other hand, the pressing airbag 54a is activated when the controller 90 detects a side collision or rollover of the vehicle 1 (that is, simultaneously with the operation of the side airbag 53a), and is inflated and deployed toward the inner side in the vehicle width direction. Then, the side airbag 53a being inflated or inflated is pressed toward the inner side in the vehicle width direction (see FIGS. 6 and 7). As described above, when the controller 90 detects a side collision or rollover of the vehicle 1, the pressing airbag 54a presses the side airbag 53a toward the inside in the vehicle width direction. The end face on the outer side in the vehicle width direction of the chest of the passenger P is pushed toward the inner side in the vehicle width direction through 53a. As a result, the movement of the head of the occupant P toward the vehicle width direction center side of the vehicle 1 by the seat cushion airbag unit 51 is promoted. The inflator is activated when the controller 90 detects a side collision or rollover of the vehicle 1 to inflate and deploy the pressing airbag 54a.

  As shown in FIGS. 1, 2, and 7, the seat belt device 55 is provided in each seat, and includes a seat belt (webbing) 56, a retractor (not shown), a shoulder anchor 58, a tongue 59, and a buckle part 60. And have. The seat belt 56 is for restraining the occupant P seated on the seat to the seat. The seat belt 56 is inserted into the shoulder anchor 58 and the tongue 59, one end is wound around the retractor, and the other end is attached to the end of the seat cushion 33 on the outer side in the vehicle width direction. The seat belt 56 has a shoulder belt portion 56a and a lap belt portion 56b. The shoulder belt portion 56a is for restraining the upper body of the occupant P to the seat back 34 (lower side). The lap belt portion 56b is for restraining the lower half of the occupant P (specifically, the waist) to the seat cushion 33 (rear side of the vehicle).

  The retractor is attached to the lower part of the center pillar 13 and has a shoulder pretensioner (tension mechanism). The shoulder pretensioner operates when a side collision or rollover of the vehicle 1 is predicted by the controller 90 (that is, in response to the opening operation of the gas release valve 51c). As a result, the retractor winds up the shoulder belt portion 56 a and tension is applied to the seat belt 56. As a result, the upper body of the occupant P is restrained to the seat back 34 by the shoulder belt portion 56a.

  The shoulder anchor 58 is attached to the upper part of the center pillar 13. The tongue 59 is inserted into the buckle 60 a of the buckle portion 60. When the tongue 59 is engaged with the buckle 60 a, the occupant P is restrained by the seat belt 56.

  The buckle portion 60 is attached to the end of the seat cushion 33 on the inner side in the vehicle width direction. That is, an end portion on the inner side in the vehicle width direction of the seat belt device 55 (an end portion located on the vehicle width direction center side of the vehicle 1) is fixed to an end portion on the inner side in the vehicle width direction of the seat. The buckle 60 part has a buckle 60a and a wrap pretensioner 60b (tension mechanism). The buckle 60a is coupled to the wrap pretensioner 60b. The lap pretensioner 60b is operated when a side collision or rollover of the vehicle 1 is predicted by the controller 90 (that is, according to the opening operation of the gas release valve 51c), and the buckle 60a (that is, the vehicle width direction of the lap belt portion 56b). Pull the inner edge down. Thereby, tension is applied to the seat belt 56, and the lower half of the occupant P is restrained by the seat cushion 33 by the lap belt portion 56b. Thus, when the controller 90 predicts a side collision or rollover of the vehicle 1, the buckle 60a is pulled downward, so that the lower half of the occupant P is pulled downward. As a result, the movement of the head of the occupant P toward the vehicle width direction center side of the vehicle 1 by the seat cushion airbag unit 51 is promoted.

  As shown in FIG. 8, the sensors include a radar 71, a roll angle sensor 72, a roll angular velocity sensor 73, a vehicle speed sensor 74, a rudder angle sensor 75, a lateral G sensor 76, a side collision sensor 77, a seat position sensor 78, and a rearward tilt angle. And a sensor 79. The radar 71 detects the distance between the vehicle 1 and an object on its side. The roll angle sensor 72 detects a roll angle (rolling angle). The roll angular velocity sensor 73 detects the roll angular velocity. The vehicle speed sensor 74 detects the speed of the vehicle 1. The steering angle sensor 75 detects the steering angle of the steering wheel. The lateral G sensor 76 detects acceleration in the lateral direction (vehicle width direction) acting on the vehicle 1. The side collision sensor 77 is provided below the center pillar 13 and detects an impact value due to a side collision of the vehicle 1. The seat position sensor 78 detects the position of each seat in the vehicle front-rear direction. The backward inclination angle sensor 79 detects the backward inclination angle θ with respect to the vertical direction of the seat back 34 of each seat.

  The controller 90 predicts and detects a side collision and rollover of the vehicle 1 based on the detection data of the sensors 71 to 79. When the controller 90 predicts and detects a side collision or rollover of the vehicle 1, as described above, the seat cushion air The operation of the bag unit 51 and the like is controlled. Note that when the controller 90 predicts the rollover of the vehicle 1, the vehicle 1 may be traveling on one wheel (that is, traveling on which one of the left and right wheels is not in contact with the ground) or on both wheels.

-Control of vehicle occupant protection device by controller-
Hereinafter, control of the vehicle occupant protection device 50 by the controller 90 will be described with reference to the flowchart of FIG. 9.

  In step S1, detection data is input from each sensor 71-79. In step S <b> 2, it is determined whether or not a side collision of the vehicle 1 has been predicted based on the input detection data of the sensors 71 to 79. Specifically, it is determined whether or not the vehicle 1 is likely to be side- impacted after 1 to 3 seconds, preferably 1 to 2 seconds from now. In this case, for example, the presence of an obstacle on the side of the vehicle 1, the distance between the vehicle 1 and the obstacle, and the degree of change in the distance by the radar 71 or a camera that detects the obstacle on the side of the vehicle 1. If the presence of an obstacle is detected and the distance is less than a predetermined value or the change degree of the distance with respect to the direction approaching the vehicle 1 is more than a predetermined value, it is determined that a side collision of the vehicle 1 has been predicted.

  If the decision result in the step S2 is YES, the process proceeds to a step S3 so as to simultaneously operate the seat slide tensioner 43, the gas release valve 51c of the seat cushion airbag unit 51, and the lap pretensioner 60b of the seat belt device 55. The position of the seat is changed by the operation of the slide tensioner 43, and the head of the occupant P moves to a predetermined position near the pillar 13 (see FIG. 6). Further, the operation of the gas release valve 51c causes the seat cushion airbag 51a to change from the inflated state to the contracted state, and the head of the occupant P moves toward the center in the vehicle width direction of the vehicle 1 (see FIG. 7). Further, by the operation of the lap pretensioner 60b, the lower body of the occupant P is restrained on the seat cushion 33 side by the lap belt portion 56b, and the above-described movement of the head of the occupant P toward the center in the vehicle width direction of the vehicle 1 is promoted. Is done.

  In step S4, the shoulder pretensioner of the seat belt device 55 is operated. Accordingly, the upper body of the occupant P is restrained to the seat back 34 side by the shoulder belt portion 56a. There is a time lag between step S3 and step S4. In other words, the restraining timing for the lower body seat cushion 33 of the occupant P is set earlier than the restraining timing for the upper body seat back 34 of the occupant P.

  If the determination result in step S2 is NO, the process proceeds to step S5, and it is determined whether or not the vehicle 1 is predicted to roll over (that is, whether or not the vehicle 1 is likely to roll over) based on the detection data of the sensors 71 to 79. To do. Specifically, the roll angle is equal to or greater than the first angle, the roll angular velocity is equal to or greater than the first speed, the vehicle speed is equal to or greater than a predetermined value, and at least one of the steering angle and the amount of change in the steering angle is equal to or greater than the predetermined value. If it is equal to or greater than the value, it is determined that the vehicle 1 has been predicted to roll over. Note that, based on the vehicle speed, the steering angle, and the amount of change in the steering angle, it may be determined whether or not a rollover of the vehicle 1 due to a turn is predicted.

  If the determination result in step S5 is YES, the process proceeds to step S3. If NO, the process returns to step S1.

  In step S6, whether or not a side collision or rollover of the vehicle 1 is detected (that is, whether or not a side collision of the vehicle 1 is detected, or whether the vehicle 1 rolls over reliably) is detected. Whether or not there is). Specifically, when the collision acceleration is equal to or higher than a predetermined value (that is, the impact value is equal to or higher than the predetermined value), it is determined that a side collision of the vehicle 1 is detected. Further, when the roll angle is equal to or greater than the second angle and the roll angular velocity is equal to or greater than the second speed, it is determined that the rollover of the vehicle 1 is detected. The second angle and the second speed are larger than the first angle and the second speed, respectively.

  If the decision result in the step S6 is YES, the process proceeds to a step S7 so that the inflators of the curtain airbag unit 52, the side airbag unit 53, and the pressing airbag unit 54 are simultaneously operated. That is, after the seat cushion airbag unit 51 is activated (the contraction operation is started), the curtain airbag 52a, the side airbag 53a, and the pressing airbag 54a are simultaneously activated (the inflation operation is started). Thereby, the curtain airbag 52a, the side airbag 53a, and the pressing airbag 54a are inflated and deployed. Then, by the pressing airbag 54a, the end surface on the outer side in the vehicle width direction of the chest of the occupant P is pressed toward the inner side in the vehicle width direction via the side airbag 53a. Movement toward the center in the width direction is promoted (see FIG. 7). Then go to the end.

  If the decision result in the step S6 is NO, the process proceeds to a step S8 to determine whether or not a predetermined time has passed without detecting the side collision or rollover of the vehicle 1 (that is, whether or not the side collision and rollover of the vehicle 1 has been avoided). judge.

  If the decision result in the step S8 is YES, the process proceeds to a step S9 so that the gas release valve 51c and the gas supply valve 51e of the seat cushion airbag unit 51 are simultaneously operated. Accordingly, the seat cushion airbag 51a returns from the contracted state to the inflated state, and the occupant P returns to the original position. Then return to the start. On the other hand, when the determination result of step S8 is NO, the process returns to step S6.

-Effect-
As described above, according to the present embodiment, when a side collision or rollover of the vehicle 1 is predicted by the controller 90, the seat position is changed by the seat slide mechanism 36 and the slide tensioner 43, and the head of the occupant P is moved. Since the vehicle 1 is moved to a predetermined position in the vicinity of the pillar 13 of the vehicle 1, most of the head of the occupant P is hidden by the pillar 13 in the vehicle side view. Therefore, even if an object enters the vehicle through the side window 26 from the outside of the vehicle, the upper body of the occupant P can be prevented from contacting the object.

  Further, since the moving means of the present invention is configured using the existing seat slide mechanism 36, the moving means can be easily configured.

  Further, when a side collision or rollover of the vehicle 1 is predicted by the controller 90, the seat cushion airbag unit 51 moves the head of the occupant P toward the center of the vehicle 1 in the vehicle width direction. Move away from the pillar 13 in the vehicle width direction. Therefore, it can suppress reliably that the upper half of the passenger | crew P contacts the object from the vehicle exterior.

  Moreover, since the upper body of the passenger | crew P moves away from the pillar 13 regarding the vehicle width direction, it can suppress that the passenger | crew's P upper body contacts the pillar 13. FIG.

  Further, in the present embodiment, the seat cushion airbag unit 51 is provided on the upper slider portion 37 side of the seat slide mechanism 36, and during the operation of the slide tensioner 43, that is, during the change of the seat position, The inner part in the vehicle width direction is displaced below the outer part in the vehicle width direction. Therefore, as compared with the conventional case where the portion of the heel portion of the occupant P is displaced in the vehicle width direction outer side to the upper side of the vehicle width direction inner portion, the occupant P is transmitted to the seat slide mechanism 36. The initial temporary load at the time of displacement can be reduced. Therefore, the seat slide mechanism 36 can be smoothly operated (slid).

  In the present embodiment, when the controller 90 predicts a side collision or rollover of the vehicle 1, as described above, the head of the occupant P is moved to a predetermined position near the pillar 13 of the vehicle 1. The inflating part 52b of the curtain airbag 52a for protecting the head of P can be inflated and deployed so as to cover only the vicinity of the pillar 13. Therefore, the length in the vehicle width direction of the inflated portion 52b in the inflated and deployed state can be reduced. In addition, this makes it possible to deploy the curtain airbag 52a in a relatively short time (rapidly).

  Further, when the controller 90 predicts a side collision or rollover of the vehicle 1, as described above, the upper body of the occupant P moves away from the pillar 13 in the vehicle width direction, so that the thickness of the inflated and deployed inflated portion 52b can be increased. .

  In this embodiment, the seat cushion airbag unit 51 is provided as the vehicle width direction moving means of the present invention. However, when the controller 90 predicts a side collision or rollover of the vehicle 1, the vehicle width of the buttock of the occupant P Any vehicle width direction moving means may be used as long as the inner portion in the direction can be displaced below the outer portion in the vehicle width direction.

(Embodiment 2)
In the present embodiment, an angle changing mechanism 62 is provided as the moving means of the present invention. In the present embodiment, when a side collision or rollover of the vehicle 1 is predicted, unlike the first embodiment, the position of the seat is not changed.

  The angle changing mechanism 62 operates when a side collision or rollover of the vehicle 1 is predicted by the controller 90, and changes the position in the vicinity of the upper end portion of the seat back 34 to a predetermined position. That is, when the controller 90 predicts a side collision or rollover of the vehicle 1, the angle change mechanism 62 changes (changes) the form of the seat. As a result, the head of the occupant P moves to a predetermined position near the pillar 13. As a result, most of the head of the occupant P is hidden by the pillar 13 when viewed from the side of the vehicle. Note that the angle changing mechanism 62 is not operated when the vehicle 1 is obliquely rearwardly impacted (that is, the rearward inclination angle θ is not changed). Thereby, it can suppress that the passenger | crew P feels uncomfortable at the time of the diagonal back collision of the vehicle 1. FIG.

-Effect-
As described above, according to this embodiment, since the moving means of the present invention is configured by the angle changing mechanism 62, the moving means can be configured easily.

(Other embodiments)
In each of the embodiments described above, the controller 90 predicts and detects a side collision and rollover of the vehicle 1, but may predict or detect a side collision or rollover of the vehicle 1.

  Moreover, in each said embodiment, when the side collision or rollover of the vehicle 1 is predicted by the controller 90, the part inside the vehicle width direction of the collar part of the passenger | crew P is displaced below the part outside the vehicle width direction. The controller 90 may be displaced when detecting a side collision or rollover of the vehicle 1. However, from the viewpoint of reliably protecting the occupant P, it is desirable that the controller 90 be displaced when predicting a side collision or rollover of the vehicle 1.

  In each of the above embodiments, the retractor of the seat belt device 55 is attached to the lower portion of the pillar 13, but may be accommodated in the seat back 34.

  In each of the above embodiments, the shoulder pretensioner is operated after the lap pretensioner 60b is operated. However, the seat cushion airbag unit 51 moves the head of the occupant P toward the center of the vehicle 1 in the vehicle width direction. From the viewpoint of promoting the movement, only the lap pretensioner 60b may be operated.

  In each of the above embodiments, when the controller 90 predicts a side collision or rollover of the vehicle 1, the end portion on the inner side in the vehicle width direction of the lap belt portion 56 b is pulled downward by the lap pretensioner 60 b. The end of the portion 56b on the outer side in the vehicle width direction may be pulled downward. However, from the viewpoint of reliably moving the head of the occupant P toward the vehicle width direction center side of the vehicle 1, it is desirable to pull the end of the lap belt portion 56b on the inner side in the vehicle width direction.

  Further, in each of the above embodiments, the slide tensioner 43 is disposed on the first slide portion 36a, but may be disposed on the second slide portion 36b or both.

  In each of the above embodiments, when the controller 90 predicts a side collision or rollover of the vehicle 1, the slide tensioner 43 is operated to bring the parallel bar 41 into contact with the rear end of the slot 38 e of the lower guide portion 38. The head of the occupant P is moved to a predetermined position in the vicinity of the pillar 13, but when the controller 90 predicts a side collision or rollover of the vehicle 1, the slide tensioner 43 is operated, and the seat position sensor 78 and The head of the occupant P may be moved to a predetermined position near the pillar 13 based on the detection data of the rearward tilt angle sensor 79.

  Moreover, in each said embodiment, the inflator of the side airbag unit 53 and the press airbag unit 54 is operated simultaneously (that is, the side airbag 53a and the press airbag 54a are operated simultaneously), Immediately after the operation of the inflator of the side airbag unit 53 (that is, immediately after the operation of the side airbag 53a, for example, several ms after the operation of the inflator of the side airbag unit 53), the inflator of the pressing airbag unit 54 is operated. May be.

  Further, in each of the above embodiments, the position of the seat is changed when the controller 90 predicts a side collision or rollover of the vehicle 1, but may be changed when the controller 90 detects a side collision or rollover of the vehicle 1. . However, from the viewpoint of reliably protecting the occupant P, it is desirable to change when the side collision or rollover of the vehicle 1 is predicted by the controller 90.

  In each of the above embodiments, the seat slide mechanism 36 and the slide tensioner 43 are provided as the moving means of the present invention. However, when the controller 90 predicts a side collision or rollover of the vehicle 1, the position or form of the seat is changed. As long as the head of the passenger P can be moved to a predetermined position in the vicinity of the pillar 13 of the vehicle 1, any moving means may be used.

  In each of the above embodiments, the above-described seat slide mechanism of the present invention is provided. However, any seat slide mechanism may be used as long as the seat can be moved in the vehicle longitudinal direction.

  In each of the above embodiments, the slide tensioner 43 is provided as the driving means of the present invention. However, when the controller 90 predicts a side collision or rollover of the vehicle 1, the seat slide mechanism 36 is operated to detect the position of the seat. As long as it can be changed, any drive means may be used.

  Further, in each of the above embodiments, the seat cushion airbag unit 51 is provided as the vehicle width direction moving means of the present invention. However, when the controller 90 predicts a side collision or rollover of the vehicle 1, As long as the vehicle 1 can be moved to the vehicle width direction center side, any vehicle width direction moving means may be used. For example, the occupant P or the seat may be inclined, or the seat may be slid in the vehicle width direction to move the head of the occupant P toward the vehicle width direction center of the vehicle 1. Further, the upper half of the occupant P is moved toward the center in the vehicle width direction of the vehicle 1, and the inner portion of the heel of the occupant P other than the seat cushion airbag unit 51 is the outer portion in the vehicle width direction. (E.g., a displaceable support member housed in the inside portion of the seat cushion 33 in the vehicle width direction or a position below the inside portion of the seat cushion 33 in the vehicle width direction). Bendable seat mount 44 or the like, or one that displaces the outer side portion of the heel of the occupant P above the inner side in the vehicle width direction (for example, the outer side in the vehicle width direction of the seat cushion 33) Or an inflatable airbag or the like built in the portion.

  Further, in each of the above embodiments, the head of the occupant P is moved toward the center in the vehicle width direction of the vehicle 1 when the controller 90 predicts a side collision or rollover of the vehicle 1, but it may not be moved. However, it is desirable to move from the viewpoint of reliably protecting the passenger P.

  In each of the above embodiments, the other end of the seat belt 56 is attached to an end portion on the outer side in the vehicle width direction of the seat cushion 33, and the buckle portion 60 is attached to an end portion on the inner side in the vehicle width direction of the seat cushion 33. However, the other end of the seat belt 56 may be fixed to the end of the upper surface of the floor panel 11 on the outer side in the vehicle width direction, and the buckle portion 60 may be attached to the center of the upper surface of the floor panel 11 in the vehicle width direction. That is, the inner end in the vehicle width direction of the seat belt device 55 (the end located at the center in the vehicle width direction of the vehicle 1) may be fixed to the center in the vehicle width direction of the vehicle body. In this case, after the operation of the slide tensioner 43, that is, after the change of the seat position, it is desirable to apply tension to the seat belt 56 by the shoulder pretensioner and lap pretensioner 60b to restrain the occupant P to the seat. Thus, after the operation of the slide tensioner 43, that is, after the seat position is changed, the seat belt 56 is tensioned by the shoulder pretensioner and the lap pretensioner 60b to restrain the occupant P to the seat. That is, the tension applied to the seat belt 56 by the shoulder pretensioner and the lap pretensioner 60b, which can be performed in a relatively short time (rapidly), is performed after the change of the seat position. Therefore, the occupant P can be restrained to the seat immediately after the seat position is changed with certainty.

  Further, in each of the above embodiments, the curtain airbag 52a is activated when the controller 90 detects a side collision or rollover of the vehicle 1, but it may be activated when the controller 90 predicts a side collision or rollover of the vehicle 1. good. However, from the viewpoint that the curtain airbag 52a should not be inflated and deployed when side collision or rollover of the vehicle 1 is avoided, it is desirable to operate the controller 90 when side collision or rollover of the vehicle 1 is detected.

  Moreover, in each said embodiment, although the airbag unit 54 for a press is provided, it is not necessary to provide. However, from the viewpoint of promoting the movement of the head of the occupant P toward the vehicle width direction center side of the vehicle 1 by the seat cushion airbag unit 51, it is desirable to provide the pressing airbag unit 54.

  The present invention is not limited to the embodiments, and can be implemented in various other forms without departing from the spirit or main features thereof.

  As described above, the above-described embodiment is merely an example in all respects and should not be interpreted in a limited manner. The scope of the present invention is indicated by the claims, and is not restricted by the text of the specification. Further, all modifications and changes belonging to the equivalent scope of the claims are within the scope of the present invention.

  As described above, the present invention predicts or detects side collision or rollover of a vehicle, and sits on the vehicle seat when the side collision or rollover of the vehicle is predicted or detected by the determination unit. It is useful for a vehicle occupant protection device or the like provided with a moving means for moving a predetermined part of the occupant's body to a predetermined position.

FIG. 2 is a perspective view showing a normal state of the vicinity of the passenger seat of the vehicle equipped with the vehicle occupant protection device according to the embodiment of the present invention. It is a front view which shows the state at the normal time near a passenger seat. It is a side view which shows the state at the normal time near a passenger seat. It is a front view of a 1st slide part. It is a schematic side view of a 1st slide part, (a) is a figure which shows the state at the time of normal, (b) is a figure which shows the state at the time of prediction of a side collision or rollover of a vehicle. It is a side view which shows the state at the time of the detection of the side collision or rollover of the vehicle near a passenger seat. It is a front view which shows the state at the time of the detection of the side collision or rollover of the vehicle near a passenger seat. 1 is a schematic configuration diagram of a vehicle occupant protection device. It is a flowchart which shows control of the vehicle occupant protection device by a controller.

Explanation of symbols

DESCRIPTION OF SYMBOLS 1 Vehicle 21 Front door 32 Passenger seat 33 Seat cushion 34 Seat back 36 Seat slide mechanism (moving means)
43 Slide tensioner (moving means, driving means)
44 Seat mount 50 Vehicle occupant protection device 51 Seat cushion airbag unit (vehicle width direction moving means)
51a Seat cushion airbag 51b Gas release pipe 51c Gas release valve 52 Curtain airbag unit 52a Curtain airbag 52b Inflating part 53 Side airbag unit 53a Side airbag 54 Pressing airbag unit 54a Pressing airbag 55 Seat belt device 56 Seat belt 60b Wrap pretensioner (tension mechanism)
90 controller (determination means)
P Crew

Claims (6)

A determination means for predicting or detecting a side collision or rollover of the vehicle, and a predetermined portion of the body of an occupant seated on the vehicle seat when the side collision or rollover of the vehicle is predicted or detected by the determination means; An occupant protection device for a vehicle comprising a moving means for moving to a position of
When the side collision or rollover of the vehicle is predicted or detected by the determination unit, the moving unit changes the position or form of the seat so that the occupant's head as the predetermined portion is placed on the vehicle. A vehicle occupant protection device configured to be moved to a predetermined position near a pillar. The vehicle occupant protection device according to claim 1,
The moving means is
A seat slide mechanism capable of moving the seat in the longitudinal direction of the vehicle;
A vehicle occupant protection device comprising drive means for operating the seat slide mechanism to change the position of the seat when a side collision or rollover of the vehicle is predicted or detected by the determination means. . The vehicle occupant protection device according to claim 1,
The vehicle further includes vehicle width direction moving means for moving the head of the occupant toward the vehicle width direction center side of the vehicle when a side collision or rollover of the vehicle is predicted or detected by the determination means. Vehicle occupant protection device. The vehicle occupant protection device according to claim 3,
The moving means is
A seat slide mechanism having an upper slider portion fixed to the seat and a lower guide portion fixed to the vehicle body, and capable of moving the seat in the vehicle longitudinal direction;
Driving means for operating the seat slide mechanism to change the position of the seat when a side impact or rollover of the vehicle is predicted or detected by the judging means;
The vehicle width direction moving means is:
Provided above the upper slider portion, and configured to displace the inner portion in the vehicle width direction of the occupant's heel portion below the outer portion in the vehicle width direction during operation of the driving means. An occupant protection device for a vehicle. The vehicle occupant protection device according to claim 4,
The vehicle further includes a seat belt device in which an end portion in the vehicle width direction is fixed to a vehicle width direction center portion of the vehicle body,
The seat belt device has a seat belt for restraining the occupant to the seat, and a tension mechanism for applying tension to the seat belt after the operation of the driving means to restrain the occupant to the seat. An occupant protection device for a vehicle. The vehicle occupant protection device according to claim 1 or 4,
A curtain airbag that is deployed to cover the side window of the vehicle when the side collision or rollover of the vehicle is predicted or detected by the determination means;
The curtain airbag has an inflating portion that inflates and deploys so as to cover only the vicinity of the pillar.

Images