CN1962318A - Vehicle passenger restricting system for vehicle rollover condition and passenger protective method - Google Patents
Vehicle passenger restricting system for vehicle rollover condition and passenger protective method Download PDFInfo
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- CN1962318A CN1962318A CN 200610138684 CN200610138684A CN1962318A CN 1962318 A CN1962318 A CN 1962318A CN 200610138684 CN200610138684 CN 200610138684 CN 200610138684 A CN200610138684 A CN 200610138684A CN 1962318 A CN1962318 A CN 1962318A
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Abstract
A vehicle passenger restricting system is provided to restrict passenger movement so that a space between a passenger's head and the ceiling of the vehicle is effectively enlarged when a rollover condition occurs. The vehicle passenger restricting system has a passenger seat, a rollover detector, a seat tilting device and a controller. The rollover detector detects a vehicle rollover condition. The vehicle passenger restricting device restricts passenger movement on the passenger seat. The seat tilting device tilts the seat in a backward direction. The controller activates the seat tilting device to recline the seat backwards when the rollover detector detects the vehicle rollover condition exists. Preferably, the controller also operates the restricting device when it determines that a rollover condition exists.
Description
Technical field
Occupant protection system and passenger protection method when the present invention relates to a kind of vehicle that causes by overturning and sidewindering.
Background technology
The fender guard of occupant during as vehicle rollover; proposition has such device: at the outside, the compartment configuration air sac bag body of occupant's head; detect when overturning air sac bag body is expanded to protect the occupant head (for example; with reference to TOHKEMY 2000-142303 communique (the 5th~6 page, Fig. 2)).
When vehicle rollover, roughly putting upside down up and down of vehicle and by roof ground connection sometimes, under this situation about turning upside down, the danger that exists occupant's head and ceiling to interfere.But, in the fender guard shown in the TOHKEMY 2000-142303 communique,, cannot prevent the interference of head and ceiling energetically though can stop occupant's head to move by air sac bag body to the side.
Summary of the invention
Therefore, the invention provides a kind of above-head space that when vehicle rollover, increases the occupant energetically, occupant protection system and passenger protection method when the vehicle that can improve the protection effect of head more sidewinders.
The present invention is topmost be characterised in that the vehicle that is provided with the overturning state that detects vehicle sidewinder detecting unit, occupant restraint in the occupant restraint unit of seat, make seat judge to overturn to make the control unit of above-mentioned occupant restraint unit and above-mentioned chair tilting cell operation to the chair tilting unit of the oblique specified amount that recedes and according to the detection signal that vehicle sidewinders detecting unit.
According to the present invention, when detecting the overturning of vehicle, be restrained under the state of seat this seat the occupant by the specified amount that recedes, so occupant's head moves backward along with receding of back of seat, can increase the space between the ceiling in head and the compartment, so can suppress head and ceiling interference effectively.
Description of drawings
Fig. 1 is the lateral plan of the vehicle first half of the occupant protection system in expression the 1st embodiment of the present invention.
Fig. 2 be in the 1st embodiment of the present invention application the block diagram of seat of occupant protection system.
Fig. 3 is the back view of the inner structure of the seat in expression the 1st embodiment of the present invention.
Fig. 4 is the lateral plan of A portion among Fig. 3.
Fig. 5 is a back view of representing the state that sidewinders of the vehicle that the overturning in the 1st embodiment of the present invention causes by (a)~(c) order.
Fig. 6 is the lateral plan of seat of representing the mode of operation of the occupant protection system in the 1st embodiment of the present invention by (a)~(c) order.
Fig. 7 is an exploded perspective view of representing the inner structure of the back of seat bottom in the 1st embodiment of the present invention in detail.
Fig. 8 is an enlarged drawing of representing axle guides used in the back inclining mechanism of the back of seat in the 1st embodiment of the present invention in detail.
Fig. 9 is to want the portion cross section to represent the back view of the inner structure of the seat bottom in the 1st embodiment of the present invention.
Figure 10 is the instruction diagram of the diagram of circuit of the occupant protection system in control the 1st embodiment of the present invention.
Figure 11 is the figure of an example of the judgement overturning in expression the 1st embodiment of the present invention.
Figure 12 be in the 2nd embodiment of the present invention application the block diagram of seat of occupant protection system.
Figure 13 is the back view of the inner structure of the seat in expression the 2nd embodiment of the present invention.
Figure 14 is the lateral plan of B portion among Figure 12.
Figure 15 is the lateral plan of seat of representing the mode of operation of the occupant protection system in the 2nd embodiment of the present invention by (a)~(c) order.
Figure 16 is an exploded perspective view of representing the inner structure of the back of seat bottom in the 2nd embodiment of the present invention in detail.
Figure 17 is to want the portion cross section to represent the back view of the inner structure of the seat bottom in the 2nd embodiment of the present invention.
Figure 18 is the instruction diagram of the diagram of circuit of the occupant protection system in control the 2nd embodiment of the present invention.
Figure 19 be in the 3rd embodiment of the present invention application the block diagram of seat of occupant protection system.
Figure 20 is the back view of the inner structure of the seat in expression the 3rd embodiment of the present invention.
Figure 21 is the lateral plan of C portion among Figure 20.
Figure 22 is the lateral plan of seat of representing the mode of operation of the occupant protection system in the 3rd embodiment of the present invention by (a)~(c) order.
Figure 23 is an exploded perspective view of representing the inner structure of the back of seat bottom in the 3rd embodiment of the present invention in detail.
Figure 24 is to want the portion cross section to represent the back view of the inner structure of the seat bottom in the 3rd embodiment of the present invention.
Figure 25 is the part sectional view of work of representing the rotational force transfer part of the interlock unit in the 3rd embodiment of the present invention by the (a) and (b) order.
Figure 26 is the instruction diagram of the diagram of circuit of the occupant protection system in control the 3rd embodiment of the present invention.
Figure 27 is the block diagram of the seat of the common running state in the 4th embodiment of the present invention.
Figure 28 be in the 4th embodiment of the present invention detect the overturning of vehicle the time the block diagram of seat.
Figure 29 is the back view of the inner structure of the seat in expression the 4th embodiment of the present invention.
Figure 30 is the common lateral plan of D portion among running state and the Figure 29 that (b) detects when overturning of expression (a) respectively in the 4th embodiment of the present invention.
Figure 31 is the lateral plan of seat of representing the mode of operation of the occupant protection system in the 4th embodiment of the present invention by (a)~(c) order.
Figure 32 is an exploded perspective view of representing the inner structure of the back of seat bottom in the 4th embodiment of the present invention in detail.
Figure 33 is to want the portion cross section to represent the back view of the inner structure of the seat bottom in the 4th embodiment of the present invention.
Figure 34 is the instruction diagram of the diagram of circuit of the occupant protection system in control the 4th embodiment of the present invention.
Figure 35 is the block diagram of the seat of the common running state in the 5th embodiment of the present invention.
Figure 36 be in the 5th embodiment of the present invention detect the overturning of vehicle the time the block diagram of seat.
Figure 37 is a back view of representing the state that sidewinders of the vehicle that is caused by overturning in the 5th embodiment of the present invention by (a)~(c) order.
Figure 38 is the lateral plan of seat of representing the mode of operation of the occupant protection system in the 5th embodiment of the present invention by (a)~(c) order.
Figure 39 is an exploded perspective view of representing the inner structure of the back of seat bottom in the 5th embodiment of the present invention in detail.
Figure 40 is the detailed block diagram of the assembled state of the inner structure of the back of seat bottom in expression the 5th embodiment of the present invention.
Figure 41 be in (a) and (b), represent the lock-out state of the back of seat hypsokinesis unit in the 5th embodiment of the present invention and latch-release state respectively want portion's enlarged side view.
Figure 42 represents the lock-out state of the latch-release unit in the 5th embodiment of the present invention and the amplification stereogram of latch-release state respectively in (a) and (b).
Figure 43 is the instruction diagram of the diagram of circuit of the occupant protection system in control the 5th embodiment of the present invention.
Figure 44 wants portion's enlarged side view by what the (a) and (b) order was represented the lock-out state of back of seat hypsokinesis unit in the variation of the 5th embodiment of the present invention and latch-release state.
Figure 45 is an exploded perspective view of representing the inner structure of the back of seat bottom in the 6th embodiment of the present invention in detail.
Figure 46 be in (a) and (b), represent the lock-out state of the back of seat hypsokinesis unit in the 6th embodiment of the present invention and latch-release state respectively want portion's enlarged side view.
Figure 47 represents the lock-out state of the latch-release unit in the 6th embodiment of the present invention and the amplification stereogram of latch-release state respectively in (a) and (b).
Figure 48 is the instruction diagram of the diagram of circuit of the occupant protection system in control the 6th embodiment of the present invention.
Figure 49 is a back view of representing the state that sidewinders of the vehicle that is caused by overturning in the 7th embodiment of the present invention by (a)~(d) order.
Figure 50 is the lateral plan of seat of representing the mode of operation of the occupant protection system in the 7th embodiment of the present invention by (a)~(d) order.
Figure 51 is the block diagram of the right-side seat of the common running state in the 7th embodiment of the present invention.
Figure 52 is the block diagram of the left-side seat of the common running state in the 7th embodiment of the present invention.
Figure 53 be in the 7th embodiment of the present invention detect the overturning of vehicle the time back of seat right-side seat that receded block diagram.
Figure 54 be in the 7th embodiment of the present invention detect the overturning of vehicle the time back of seat left-side seat that receded block diagram.
The block diagram of the right-side seat when Figure 55 is an overturning state in the 7th embodiment of the present invention.
Figure 56 is the block diagram of the left-side seat that has retreated under the overturning state in the 7th embodiment of the present invention.
Figure 57 is the instruction diagram of the diagram of circuit of the occupant protection system in control the 7th embodiment of the present invention.
Figure 58 is the block diagram of the right-side seat of the common running state in the 8th embodiment of the present invention.
Figure 59 is the block diagram of the left-side seat of the common running state in the 8th embodiment of the present invention.
Figure 60 be in the 8th embodiment of the present invention detect the overturning of vehicle the time back of seat right-side seat that receded block diagram.
Figure 61 be in the 8th embodiment of the present invention detect the overturning of vehicle the time back of seat left-side seat that receded block diagram.
The block diagram of the right-side seat when Figure 62 is an overturning state in the 8th embodiment of the present invention.
The block diagram of the left-side seat when Figure 63 is an overturning state in the 8th embodiment of the present invention.
Figure 64 is the amplification stereogram of the inner structure of the seat cushion in expression the 8th embodiment of the present invention.
Figure 65 is the E-E amplification view among Figure 64.
Figure 66 is the amplification stereogram of inner structure of seat cushion of the decline state of the seat cushion of expression in the 8th embodiment of the present invention.
Figure 67 is the instruction diagram of the diagram of circuit of the occupant protection system in control the 8th embodiment of the present invention.
Figure 68 is the figure that side airbag deployment used in the 8th embodiment of the present invention is used.
Figure 69 is the block diagram that seat cushion is in entopic seat in the variation of the 8th embodiment of the present invention.
Figure 70 is the block diagram that seat cushion is in the seat of lowering position in the variation of the 8th embodiment of the present invention.
The specific embodiment
Below, describe embodiments of the present invention in detail with accompanying drawing.
The 1st embodiment of the occupant protection system when Fig. 1~Figure 11 illustrates vehicle of the present invention and sidewinders; Fig. 1 is the lateral plan of the vehicle first half of expression occupant protection system; Fig. 2 is a block diagram of having used the seat of occupant protection system; Fig. 3 is the back view of the inner structure of expression seat; Fig. 4 is the lateral plan of A portion among Fig. 3; Fig. 5 is the back view of the state that sidewinders of the vehicle that caused by overturning by (a)~(c) order expression, and Fig. 6 is the lateral plan of seat of representing the mode of operation of occupant protection system by (a)~(c) order.
In addition; Fig. 7 is an exploded perspective view of representing the inner structure of back of seat bottom in detail; Fig. 8 is an enlarged drawing of representing axle guides used in the back inclining mechanism of back of seat in detail; Fig. 9 is to want the portion cross section to represent the back view of the inner structure of seat bottom; Figure 10 is the instruction diagram of the diagram of circuit of control occupant protection system, and Figure 11 is the figure that an example that overturns is judged in expression.
As shown in Figure 1; occupant protection system 10 when the vehicle of present embodiment sidewinders is applied to the seat 2 of vehicle 1; it is the device of protection occupant C when vehicle 1 sidewinders because of the overturning of vehicle 1; have: the vehicle that detects the overturning state of vehicle 1 sidewinders detecting unit 20; as the seat belt apparatus 30 that occupant C is constrained in the occupant restraint unit on the seat 2; seat 2 is receded; specifically make back of seat 3 with respect to the recede back of seat hypsokinesis unit 40 (with reference to Fig. 3) of specified amount of seat cushion 4, and the control box 50 of judging the control unit that makes above-mentioned seat belt apparatus 30 and 40 work of above-mentioned back of seat hypsokinesis unit of overturning as the detection signal that sidewinders detecting unit 20 according to vehicle.
As shown in Figure 2, above-mentioned seat belt apparatus 30 has and the upper part of the body Cu of occupant C is constrained in the shoulder hamess 31 on the back of seat 3 and the waist Cw of occupant C is constrained in the pelvic restraint 32 of seat cushion 4 and constitutes body-restraining seat belt.
Promptly, the waist Cw tilted configuration of above-mentioned shoulder hamess 31 from the shoulder Cs outside the car of occupant C to the car inboard, and above-mentioned pelvic restraint 32 is striden the inside and outside both sides of the car ground configuration of waist Cw, installs and removes with the dead bolt portion between the pelvic restraint 32 33 and is installed on freely on the inboard bracelet 34 being set on the inboard continuous shoulder hamess 31 of car.
In addition, the shoulder side upper end of shoulder hamess 31 is passed mouthfuls 35 from the ribbon of the upper end that is located at back of seat 3 and is loaded in the back of seat 3, is wound on the Motorized retractor as the ribbon wind2 (retractor) 36 that is built in these back of seat 3 bottoms.
Above-mentioned Motorized retractor 36 has preloader function and load limiter function, and, have reel when common/the electrical motor winder unit of uncoiling and overturn, the gunpowder formula winder unit of coiling ribbon 37 when urgent such as when colliding.
As shown in Figure 1, above-mentioned vehicle rollover detecting unit 20 has the side tilt angle of mensuration vehicle 1 and the angular velocity sensor 21 of inclination speed at least, control box 50 these side tilt angle signals of input and inclination speed signals, based on figure shown in Figure 11, the area B that these side tilt angle and inclination speed has been surpassed threshold k is judged as overturning.
In addition, above-mentioned vehicle sidewinders detecting unit 20, overturn in order to detect more accurately, except above-mentioned angular velocity sensor 21, also have the transverse acceleration of measuring vehicle 1 acceleration pick-up 22, measure seating pressure sensor 23 that the contact pressure of occupant C and seat 2 distributes, measure the interior trim pressure sensor 24 of occupant C and the contact pressure of vehicle door interior trim 5, and the moving and mobile occupant's movable sensor 25 of forming by minicam 25a and ultrasonic transduter 25b of upper body Cu (head Ch) of head Ch of measuring occupant C respectively.
And above-mentioned control box 50 is side tilt angle and inclination speed, transverse acceleration, the contact pressure of seat, contact pressure and occupant's amount of movement of vehicle door interior trim, and promptly the upper body amount of movement of occupant C has surpassed the region decision of threshold k respectively for overturning.
Thereby the upper body that control box 50 detects occupant C moves, and above-mentioned seat belt apparatus 30 carries out work when this upper body is moved beyond specified value.
As shown in Figure 3, Figure 4, be provided with the seat 2 of above-mentioned back of seat hypsokinesis unit 40, the headrest frame 6a of headrest 6 is installed on the limit, upper end of the back of seat frame 3a of reverse U shape, and be provided with back of seat spring 3b and reinforced bulkhead 3c up and down between the central portion at the right and left, and, be provided with the main shaft 100 that becomes the banking motion of back of seat 3 center in the bottom of back of seat frame 3a, this main shaft 100 is connected in the rear view of vehicle end of the cushion frame 4a of seat cushion 4.
Be provided with the axle guides 101,102 of the banking motion position of fixed seat backrest 3 at the both ends of above-mentioned main shaft 100, and be provided with the back of seat inclinator (seat backrecliner) 103 of the fore-and-aft direction obliquity of any setting back of seat 3 in the one-sided end of main shaft 100.
In addition, the one-sided end that is provided with back of seat inclinator 103 at main shaft 100 is provided with the screw actuator 104 with work pin 104a, this work pin 104a engages disengaging with respect to axle guides 101, back of seat inclinator 103 and back of seat frame 3a, and the work pin 104a of screw actuator 104 is according to the action of haunting from the command signal of control box 50.
And, be formed with for the seat that is located on the cushion frame 4a on the periphery of the one-sided axle guides 101 in above-mentioned axle guides 101,102 and topple over the gear 106 gears in mesh teeth of using electrical motor 105, seat is toppled over electrical motor 105 and is carried out work and swing pinion 106 according to the command signal of exporting from control box 50 when overturning, and makes back of seat 3 specified amount that recedes via axle guides 101.
And above-mentioned back of seat hypsokinesis unit 40 is toppled over electrical motor 105 by above-mentioned axle guides 101, above-mentioned screw actuator 104 and above-mentioned seat and is constituted.
Ribbon guides 38 extends upward from the mounting portion of above-mentioned Motorized retractor 36 on above-mentioned back of seat frame 3a, this ribbon guides 38 is outstanding from the upper end of back of seat frame 3a, be formed with above-mentioned ribbon and pass mouthfuls 35 on this outshot, the ribbon 37 of emitting from Motorized retractor 36 passes mouthfuls 35 from ribbon and extends and become shoulder hamess 31 to back of seat 3 the place aheads.
The vehicle 1 of above-mentioned occupant protection system 10 has been installed; such under the situation of sidewindering shown in Fig. 5 (a)~(c) because of overturning; shown in Fig. 6 (a)~(c); seat belt apparatus 30 and back of seat 3 carry out work and make occupant C to toppling over specified amount backward, have enlarged the space between occupant's head Ch and the ceiling.In addition, Fig. 5 (a) illustrates the input state of transverse force F, and Fig. 5 (b) illustrates vehicle body 1 and rotated 1/4 state, and Fig. 5 (c) illustrates vehicle body and rotated 3/4 state.
Fig. 6 (a) illustrates the common state that overturning does not take place, the occupant C device 30 of fastening seat belts is sitting on the seat 2, detecting when overturning when sidewinder detecting unit 20 by above-mentioned vehicle under this state, then Motorized retractor 36 carries out work and is involved in ribbon 37, shoulder hamess 31 has the tension force of regulation and occupant C brute force is constrained in back of seat 3, and back of seat 3 is toppled over electrical motor 105 specified amount that recedes by seat together with occupant C.
At this moment and since above-mentioned Motorized retractor 36 and above-mentioned seat topple over electrical motor 105 respectively can be just/contrary rotation, return to the reversible function that detects the state before overturning so seat belt apparatus 30 and back of seat hypsokinesis unit 40 have.
The detailed bottom section of above-mentioned seat 2 is as Fig. 7~bottom of back of seat frame 3a is installed on the seat slide 110 as shown in Figure 9.
Promptly, band boss hole 115 side-prominent setting in seat on the plate 114 of side (right-hand among the figure) in the overall width direction, this band boss hole 115 cooperates with the support holes 116 that is formed on back of seat frame 3a bottom rotationally, in plate 114 convex platform portions 115a (with reference to Fig. 9) side-prominent setting in seat of overall width direction foreign side (left among the figure), this boss portion 115a cooperates with the support holes 116 that is formed on back of seat frame 3a bottom rotationally on the other hand.
The inboard, bottom of the back of seat frame 3a of side (right-hand among the figure) in the overall width direction, dispose discoid above-mentioned back of seat inclinator 103 successively and be similarly discoid above-mentioned axle guides 101, and, be formed on that minor diameter support 100a, the 100b at above-mentioned main shaft 100 both ends is rotatable to be cooperated with centre hole 101a, the 102a of axle guides 101,102 respectively freely at the discoid axle of the inboard configuration in the bottom of the back of seat frame 3a of overall width direction foreign side (left among the figure) guides 102.
At this moment, axle guides 101,102 is incorporated into back of seat frame 3a respectively by pin 117.
Circumferentially be formed with a plurality of slotted hole 101b, 103b, 116a alignedly respectively on the circumference of the above-mentioned support holes 116 of the circumference of the centre hole 103a of the circumference of the centre hole 101a of axle guides 101, back of seat inclinator 103 and back of seat frame 3a, the work pin 104a that is installed on the screw actuator 104 of main shaft 100 in each slotted hole 101b, 103b, 116a passes this each slotted hole 101b, 103b, 116a and fixed seat seat back frame 3a with outstanding state.
In addition, between the plate 114 of above-mentioned back of seat frame 3a and overall width direction inside/outside, dispose the disc spring 118 that back of seat frame 3a is applied turning effort to the direction that resets, interior all ends of this disc spring 118 with respectively from outstanding fastening projection 119 fastenings that are provided with in the side of the periphery of above-mentioned band boss hole 115 and an opposite side with above-mentioned boss portion 115a, and the peripheral end of disc spring 118 with from outstanding fastening projection 120 fastenings that are provided with in the side of back of seat frame 3a.
Linking frame 121 is set up between the slide unit 112 of overall width direction inside/outside, rotate the car medial end that supports above-mentioned main shaft 100 freely by the supporting station 122 that is incorporated on this binding frame 121, above-mentioned seat is installed on this supporting station 122 topples over electrical motor 105, and the periphery at axle guides 101 is formed with wheel tooth as described above, be located at above-mentioned seat topple over the gear 106 on the S. A. of electrical motor 105 all the time with the periphery engagement of axle guides 101.
In addition, in the present embodiment, the leaning device 60 by any setting back of seat fore-and-aft direction obliquity is connected in seat cushion 4 with back of seat 3.
That is,, dispose inclinator movable rod 123, constitute above-mentioned leaning device 60 with inclinator movable rod 123 by these back of seat inclinators 103 in the outside of plate 114 disposing a side of above-mentioned back of seat inclinator 103.
Above-mentioned inclinator movable rod 123 is installed on the plate 114 via the pin 124 that passes the slotted hole 123a that is located at the intermediate portion, and the end 123c of an opposite side with operating portion 123b of this inclinator movable rod 123 passes and engages with the centre hole 103a of back of seat inclinator 103 from above-mentioned band boss hole 115.
And; in above-mentioned occupant protection system 10; control box 50 detects according to diagram of circuit shown in Figure 10 and overturns; based on this control seat chair back hypsokinesis unit 40 and seat belt apparatus 30 as a result; in addition; curtain air bag is set in the present embodiment, and this control box 50 is also controlled this curtain air bag.
That is, in above-mentioned diagram of circuit, at first, when beginning to control by the connection igniting, after by step S1 the sign of the tilt state of judging back of seat 3 being taken as 0, time meter is set 0, read in inclination speed, side tilt angle, transverse acceleration successively by step S3~S5 by step S2.
Then, confirm to begin not pass through specified time at step S6 from control, the amount of movement, seating pressure that reads in occupant's head Ch successively by step S7~S9 distributes, behind the vehicle door interior trim contact pressure, begin elapsed time in step S10 calculating from control, at step S11, the situation that the side travel amount of occupant C has surpassed specified value might produce overturning, at step S12, at back of seat 3 is not under the situation of the state of receding, and is made Motorized retractor 36 work and more strongly occupant C is constrained in back of seat 3 by shoulder hamess 31 by step S13.
Then, at step S14, be judged as based on figure shown in Figure 11 and be under the situation of regional A that side tilt angle and inclination speed surpasses threshold k, after step S15 confirms the state that back of seat 3 do not topple over, by step S16 the work pin 104a of screw actuator 104 is retreated and remove back of seat topple over the locking, and seat is toppled over make back of seat 3 to recede behind the specified amount with electrical motor 105 work by step S17, make the work pin 104a of above-mentioned screw actuator 104 outstanding at step S18, back of seat 3 is locked in the state that makes its specified amount that receded, and the sign of the tilt state of judging back of seat 3 is put 1 at step S19.
Then, get back to the input control of the data of step S2 once more, carry out same control behind step S2~S11, enter step S14 from step S12, surpassing the regional A of figure, be judged as figure by step S20 and be under the situation of area B, is that the situation of overturning has taken place in expression, so make the preloader work of Motorized retractor 36 by step S21, and curtain air bag is launched and relax occupant's head Ch and contact with the Vehicular side body collision.
On the other hand, at step S11, side travel at occupant C does not surpass under the situation of specified value, and, being judged as back of seat 3 at step S22 is under the situation of tilt state (sign=1), the work pin 104a of screw actuator 104 is retreated and after unlocking at step S23, seat is toppled over make back of seat 3 to get back to state receding before, make the work pin 104a of screw actuator 104 outstanding and lock back of seat 3 once more at step S25 with electrical motor 105 counter-rotatings at step S24.
As described above; occupant protection system 10 when sidewindering according to the vehicle of present embodiment; because being set, the vehicle of the overturning state that detects vehicle sidewinders detecting unit 20; occupant C is constrained in the seat belt apparatus 30 of seat 2; make the recede back of seat hypsokinesis unit 40 of specified amount of back of seat 3; and judge to overturn according to the detection signal that vehicle sidewinders detecting unit 20 and to make the control box 50 of above-mentioned seat belt apparatus 30 and 40 work of above-mentioned back of seat hypsokinesis unit; so when detecting overturning; can make back of seat 3 specified amount that recedes with the state that occupant C is constrained in seat 2; main shaft 100 with back of seat 3 is that center back moves so the head Ch of occupant C is along with receding of back of seat 3; increased the space between the ceiling in head Ch and the compartment, can suppress head Ch and ceiling effectively and interfere.
In addition, because being constituted as, above-mentioned seat belt apparatus 30 has the body-restraining seat belt that the upper part of the body Cu of occupant C is constrained in the shoulder hamess 31 of back of seat 3 and the waist Cw of occupant C is constrained in the pelvic restraint 32 of seat cushion 4, so when when overturning, occupant C being constrained in seat 2, effectively occupant C is constrained in back of seat 3 by shoulder hamess 31, can when back of seat 3 is receded, increases the space between occupant's head Ch and the ceiling reliably.
And, because passing mouthfuls 35 from the ribbon that is located at back of seat 3 upper ends draws in the shoulder side upper end of shoulder hamess 31 in the back of seat 3, be wound on the Motorized retractor 36 that is built in this back of seat 3, so when occupant C is toppled over back of seat 3, draw in ribbon 37 easily, so and because the coiling amount of ribbon 37 reduces occupant restraint C promptly.
Have again, above-mentioned Motorized retractor 36 has preloader function and load limiter function, and, reel by having usually the time/the electrical motor winder unit of uncoiling and the gunpowder formula winder unit of coiling ribbon 37 during at emergency situations such as overturning, collisions, thereby the ribbon 37 of can usually the time, at random reeling, when the emergency situation that produces when overturning instantaneous coiling ribbon 37, so occupant restraint C rapidly and effectively.
In addition, because having, seat belt apparatus 30 and back of seat hypsokinesis unit 40 return to the reversible function that detects the state before overturning, thereby do not reach at vehicle 1 under the situation of overturning, can automatically terminate the brute force constraint of shoulder hamess 31, and make back of seat 3 automatically restore to original state, so can save the moving trouble of readjusting the obliquity of seat belt apparatus 30, back of seat 3 of each armrest.
And, because sidewindering detecting unit 20, vehicle has the side tilt angle of mensuration vehicle 1 and the angular velocity sensor 21 of inclination speed, control box 50 is judged as overturning to the area B that these side tilt angle and inclination speed surpass threshold k, so can judge that easily vehicle sidewinders by simple device.
Have again, because vehicle sidewinders detecting unit 20 also has the transverse acceleration of measuring vehicle 1 except above-mentioned angular velocity sensor 21 acceleration pick-up 22, measure the seating pressure sensor 23 of the contact pressure distribution of occupant C and seat 2, measure the interior trim pressure sensor 24 of the contact pressure of occupant C and vehicle door interior trim 5, and the head Ch that measures occupant C respectively moves the occupant's movable sensor 25 that moves with upper body Cu, control box 50 is side tilt angle and inclination speed, transverse acceleration, the contact pressure of seat, the contact pressure of vehicle door interior trim, and occupant's amount of movement surpasses the region decision of threshold k respectively for overturning, so can be to judge sidewindering of vehicle more accurately.
Figure 12~Figure 18 illustrates the 2nd embodiment of the present invention; the component part mark same reference numerals identical with above-mentioned the 1st embodiment is described with omitting repeat specification; Figure 12 is a block diagram of having used the seat of occupant protection system; Figure 13 is the back view of the inner structure of expression seat; Figure 14 is the lateral plan of B portion among Figure 12, and Figure 15 is a lateral plan of representing the mode of operation of occupant protection system by (a)~(c) order.
In addition, Figure 16 is an exploded perspective view of representing the inner structure of back of seat bottom in detail, and Figure 17 is wanting the portion cross section to represent the back view of the inner structure of seat bottom, and Figure 18 is the instruction diagram of the diagram of circuit of control occupant protection system.
Occupant protection system 10A when the vehicle of present embodiment sidewinders is roughly same with the occupant protection system 10 of the 1st embodiment basically structure; be provided with vehicle and sidewinder detecting unit 20, seat belt apparatus 30, back of seat hypsokinesis unit 40A and control box 50 as the occupant restraint unit; vehicle sidewinders detecting unit 20 and control box 50 is similarly constituted by the Fig. 1 with the 1st embodiment; and as shown in figure 12, seat belt apparatus 30 and the 1st embodiment similarly constitute the body-restraining seat belt with shoulder hamess 31 and pelvic restraint 32.
Particularly, in the present embodiment as Figure 12~shown in Figure 14, on one side between seat belt apparatus 30 and back of seat hypsokinesis unit 40A, be provided with make their mutual interlocks and on one side occupant restraint make back of seat 3 sweptback interlock unit 200.
Promptly, as Figure 13, shown in Figure 14, above-mentioned interlock unit 200 by the rotating part 36a of the Motorized retractor 36 of seat belt apparatus 30, be located at as the belt pulley 201 on the main shaft 100 of the banking motion axle of back of seat 3 and as the line (wire) 202 of the ring-type of the endless belt of transmitting rotational forcees around these rotating parts 36a and belt pulley 201 and form.
And, under the vehicle 1 as the situation of sidewindering because of overturning as shown in Figure 5 of the 1st embodiment, shown in Figure 15 (a)~(c), same with the 1st embodiment, seat belt apparatus 30 and back of seat 3 carry out work and make occupant C topple over specified amount backward, enlarge the space between occupant's head Ch and the ceiling.
Promptly, Figure 15 (a) illustrates the normal condition that overturning does not take place, be sitting under the state on the seat 2 at the occupant C device 30 of fastening seat belts, detect when overturning when sidewinder detecting unit 20 by vehicle, then such shown in Figure 15 (b), Motorized retractor 36 carries out work and is involved in ribbon 37, shoulder hamess 31 is constrained in occupant C brute force on the back of seat 3 with the tension force of regulation, and such work by Motorized retractor 36 makes occupant C together with back of seat 3 specified amount that recedes via line 202 as Figure 15 (c) shown in.
In addition, also be above-mentioned Motorized retractor 36 in the present embodiment for can be just/contrary rotation, have the reversible function that seat belt apparatus 30 and back of seat hypsokinesis unit 40A is returned to detect the state before sidewindering.
The detailed bottom section of above-mentioned seat 2 such as Figure 16, as shown in Figure 17, the bottom of back of seat frame 3a is rotatably installed on the slide unit 112 of seat slide 110 via plate 114.
In addition, the inboard, bottom of the back of seat frame 3a of side (right-hand among the figure) disposes back of seat inclinator 103 and axle guides 101 successively in the overall width direction, and the inboard, bottom at the back of seat frame 3a of overall width direction foreign side (left among the figure) disposes a guides 102, and minor diameter support 100a, the 100b at above-mentioned main shaft 100 both ends is rotatable to be cooperated with centre hole 101a, the 102a of axle guides 101,102 respectively freely.
And the work pin 104a that is installed on the screw actuator 104 on the main shaft 100 passes a plurality of slotted hole 101b of being formed on a guides 101, back of seat inclinator 103 and the back of seat frame 3a, 103b, 116a and fixed seat seat back frame 3a with outstanding state.
In addition, between the plate 114 of above-mentioned back of seat frame 3a and overall width direction inside/outside, dispose to the direction that resets back of seat frame 3a applied the disc spring 118 of turning effort, and by with the slide unit 112 that is erected at overall width direction inside/outside between the car medial end of the supporting station 122 rotatable supporting spindles freely 100 that combine of binding frame 121.
At this, in the present embodiment, the car that is positioned at above-mentioned supporting station 122 is provided with above-mentioned belt pulley 201 medially on main shaft 100, and make this belt pulley 201 with respect to main shaft 100 in the hand of rotation fastening, and between the rotating part 36a of the Motorized retractor 36 above this belt pulley 201 and belt pulley 201 around the above-mentioned line 202 of annular, the rotational force of Motorized retractor 36 is delivered to main shaft 100.
In addition, similarly disposing a side of above-mentioned back of seat inclinator 103 with the 1st embodiment, dispose inclinator movable rod 123 in the outside of plate 114, constitute the leaning device 60 of setting the fore-and-aft direction banking motion position of back of seat 3 arbitrarily by these back of seat inclinators 103 and inclinator movable rod 123.
And; also be that control box 50 detects overturning according to diagram of circuit shown in Figure 180 in above-mentioned occupant protection system 10A; based on its control seat chair back hypsokinesis unit 40A and seat belt apparatus 30 as a result; this diagram of circuit below is described, but the processing section identical with the diagram of circuit shown in Figure 10 of the 1st embodiment marked identical step symbol and omit repeat specification.
Promptly, in above-mentioned diagram of circuit, step S1~S16, step S18~step S20 and step S22, S23, S25 carry out and the same processing of the 1st embodiment, the difference of present embodiment and the 1st embodiment is: at step S17A, make the ribbon 37 of the next seat belt apparatus 30 of reeling of Motorized retractor 36 work on one side, pass through line 202 live spindles 100 on one side, thereby back of seat 3 is receded.
In addition, be under the situation of area B being judged as figure by step S20, the work pin 104a of screw actuator 104 is retreated and remove back of seat and topple over, make the preloader work of Motorized retractor 36 at step 21B with after the locking by step S21A.At this moment, while recede by the work of Motorized retractor 36 ribbon 37 back of seats 3 of reeling.Then, launch curtain air bag by step S21C.
And then, at step S24A, retreat and removed back of seat and toppled under the state with locking at the work pin 104a that makes screw actuator 104 by step S23, stop the work of Motorized retractor 36 and make it unfettered, thereby back of seat 3 makes the outstanding and locking back of seat 3 of work pin 104a of screw actuator 104 under the power-assisted effect of executing of disc spring 118 and rotate to erecting direction in the moment of getting back to original state.
In addition, though the figure that also use to judge overturns in the control of the diagram of circuit of present embodiment is same because of these and the 1st embodiment shown in Figure 11, so omit its explanation.
As described above; occupant protection system 10A when sidewindering according to the vehicle of present embodiment; same with the 1st embodiment; when detecting overturning; can under being restrained to state on the seat 2, occupant C make back of seat 3 specified amount that recedes; main shaft 100 with back of seat 3 is that center back moves so the head Ch of occupant C is along with receding of back of seat 3; increased the space between the ceiling in head Ch and the compartment, can suppress head Ch and ceiling effectively and interfere.
In addition, in the present embodiment, between Motorized retractor 36 and back of seat hypsokinesis unit 40A, be provided with make their mutual interlocks and on one side occupant restraint make back of seat 3 sweptback interlock unit 200 on one side, so when taking place to overturn, can be constrained in seat 2 to occupant C by seat belt apparatus 30 on one side, back of seat 3 is receded on one side, so promptly carry out receding of back of seat 3, can when overturning, between occupant's head Ch and ceiling, the space be set reliably.
And, since by the rotating part 36a of the Motorized retractor 36 of seat belt apparatus 30, with form above-mentioned interlock unit 200 around this rotating part 36a and the line 202 that is located at the belt pulley 201 on the main shaft 100, so can be delivered to main shaft 100 to the rotational force of Motorized retractor 36 reliably, and, can back of seat 3 be receded with simple structure.
Figure 19~Figure 26 illustrates the 3rd embodiment of the present invention; to being described with the part mark same reference numerals of the respective embodiments described above same structure with omitting repeat specification; Figure 19 is a block diagram of having used the seat of occupant protection system; Figure 20 is the back view of the inner structure of expression seat; Figure 21 is the lateral plan of C portion among Figure 20, and Figure 22 is a lateral plan of representing the mode of operation of occupant protection system by (a)~(c) order.
In addition; Figure 23 is an exploded perspective view of representing the inner structure of back of seat bottom in detail; Figure 24 is to want the portion cross section to represent the back view of the inner structure of seat bottom; Figure 25 be by the (a) and (b) order represent the interlock unit the rotational force transfer part work want portion's cutaway view, Figure 26 is the instruction diagram of the diagram of circuit of control occupant protection system.
Its formation of occupant protection system 10B when the vehicle of present embodiment sidewinders is same with the occupant protection system 10 of the 1st embodiment basically; be provided with vehicle and sidewinder detecting unit 20, seat belt apparatus 30, back of seat hypsokinesis unit 40B and control box 50 as the occupant restraint unit; vehicle sidewinders detecting unit 20 and control box 50 is similarly constituted by the Fig. 1 with the 1st embodiment; and as shown in figure 19, seat belt apparatus 30 and the 1st embodiment constitute the body-restraining seat belt with shoulder hamess 31 and pelvic restraint 32 equally.
In addition, same with the 2nd embodiment in the present embodiment, on one side between seat belt apparatus 30 and back of seat hypsokinesis unit 40B, be provided with make their mutual interlocks and on one side occupant restraint make back of seat 3 sweptback interlock unit 200A.
Promptly, as Figure 20, shown in Figure 21, above-mentioned interlock unit 200A is made of spool 210, this spool 210 can relatively move and center on the ribbon 37 of emitting from the Motorized retractor 36 of seat belt apparatus 30 freely, moves the swivel of the main shaft 100 of rotary seat backrest 3 by the coiling of ribbon 37 as engage this ribbon 37 when overturning.
And, under the vehicle 1 as the situation of sidewindering because of overturning as shown in Figure 5 of the 1st embodiment, shown in Figure 22 (a)~(c), same with the 1st embodiment, seat belt apparatus 30 and back of seat 3 carry out work and make occupant C to receding down specified amount, enlarge the space between occupant's head Ch and the ceiling.
Promptly, Figure 22 (a) illustrates the common state that overturning does not take place, be sitting under the state on the seat 2 at the occupant C device 30 of fastening seat belts, sidewindering detecting unit 20 by vehicle detects when overturning, then such shown in Figure 22 (b), Motorized retractor 36 carries out work and is involved in ribbon 37, shoulder hamess 31 is constrained in back of seat 3 to occupant C brute force with the tension force of regulation, and it is such shown in Figure 22 (c), be wound on the Motorized retractor 36 by ribbon 37, thereby main shaft 100 is with rotor 213 rotation of spool 210, makes occupant C with back of seat 3 specified amount that recedes.
In addition, also be that above-mentioned Motorized retractor 36 can just carry out/contrary rotation in the present embodiment, have the reversible function that seat belt apparatus 30 and back of seat hypsokinesis unit 40B is returned to detect the state before overturning.
The detailed bottom section of above-mentioned seat 2, as Figure 23, as shown in Figure 24, the bottom of back of seat frame 3a can be installed on the slide unit 112 of seat slide 110 rotationally via plate 114.
In addition, the inboard, bottom of the back of seat frame 3a of side (right-hand among the figure) disposes back of seat inclinator 103 and axle guides 101 successively in the overall width direction, and the inboard, bottom at the back of seat frame 3a of overall width direction foreign side (left among the figure) disposes a guides 102, and minor diameter support 100a, the 100b at above-mentioned main shaft 100 both ends is rotatable to be cooperated with centre hole 101a, the 102a of axle guides 101,102 respectively freely.
And the work pin 104a that is installed on the screw actuator 104 on the main shaft 100 passes a plurality of slotted hole 101b of being formed on a guides 101, back of seat inclinator 103 and the back of seat frame 3a, 103b, 116a and fixed seat seat back frame 3a with outstanding state.
In addition, between the plate 114 of above-mentioned back of seat frame 3a and overall width direction inside/outside, dispose to the direction that resets back of seat frame 3a is applied the disc spring 118 of turning effort, and between the slide unit 112 of overall width direction inside/outside, set up binding frame 121.
At this, in the present embodiment, Motorized retractor 36 is configured in hip curved-surface plate 4b (with reference to Figure 21) lower surface of seat cushion 4, and the side in the more close chair of the ratio screw actuator 104 of main shaft 100 2 central authorities is provided with spool 210, make pass mouthful 35 (with reference to Figure 19) and be taken into ribbons 37 in the back of seat 3 and lead to said reel 210 from ribbon along the upper rolls 212 that is located at ribbon guides 38 bottoms after, make this ribbon 37 this ribbon 37 is directed to above-mentioned Motorized retractor 36 along the lower roll 212 that is located on the above-mentioned binding frame 121.
As shown in figure 25, said reel 210 is arranged on the rotor 213 that is formed with jog 213a on the periphery and the housing 214 of accommodating this rotor 213 and summary constitutes, rotor 213 with respect to main shaft 100 on hand of rotation by fastening, and housing 214 with the opposite side bearing of side of configuration screw actuator 104 on main shaft 100, form pin in screw actuator 104 sides and pass hole 210a, work pin 104a can insert between rotor 213 and the housing 214.
Promptly, the work pin 104a of above-mentioned screw actuator 104 can be to outstanding with said reel 210 directions of back of seat inclinator 103 opposite sides, work pin 104a retreats and from the slotted hole 103b of back of seat inclinator 103 and back of seat frame 3a, when 116a extracts, the other end of above-mentioned work pin 104a partly is inserted between rotor 213 and the housing 214.
And, above-mentioned ribbon 37 is being inserted above the 214b of peripheral openings portion of housing 214, after this ribbon 37 is passed through along the peripheral part of rotor 213, take out this ribbon 37 and it is configured to above-mentioned lower roll 212 from the below of the 214b of this peripheral openings portion.
In addition, shown in Figure 25 (b), the work pin 104a of above-mentioned screw actuator 104 is inserted between rotor 213 and the housing 214, thereby this work pin 104a is pushed against ribbon 37 the jog 213a of rotor 213 and becomes the state that is bonded with each other, under this state during by Motorized retractor 36 coiling ribbons 37, then rotor 213 rotates along with moving of this ribbon 37, the angle of wanting by this 213 rotation and back of seat 3 is receded together with live spindle 100.
In addition, similarly disposing a side of above-mentioned back of seat inclinator 103 with the 1st embodiment, in the outside of plate 114 configuration inclinator movable rod 123, constitute the leaning device 60 of the fore-and-aft direction banking motion position of any setting back of seat 3 by these back of seat inclinators 103 and inclinator movable rod 123.
And; in above-mentioned occupant protection system 10B; also be that control box 50 detects overturning according to the diagram of circuit shown in Figure 26; based on its control seat chair back hypsokinesis unit 40B and seat belt apparatus 30 as a result; this diagram of circuit below is described; but this control is the processing roughly the same with the diagram of circuit shown in Figure 180 of the 2nd embodiment, to partly marking identical step symbol and omit its explanation with the diagram of circuit same treatment of the 2nd embodiment.
In addition, step S17B in present embodiment, with the 2nd embodiment similarly by making the reel ribbon 37 of seat belt apparatus 30 of Motorized retractor 36 work that back of seat 3 is receded, but the rotor 213 that special coiling by ribbon 37 in the present embodiment makes spool 210 rotates with main shaft 100 and makes back of seat 3 specified amount that recedes.
In addition, also be to use in the control of the diagram of circuit of present embodiment and judge the figure that overturns, but because these are identical with the 1st embodiment shown in Figure 11, so omit its explanation.
As described above; occupant protection system 10B when sidewindering according to the vehicle of present embodiment; when similarly detecting overturning with the 1st embodiment; can under being restrained to the state of seat 2, occupant C make back of seat 3 specified amount that recedes; main shaft 100 with back of seat 3 is that center back moves so the head Ch of occupant C is along with receding of back of seat 3; increased the space between the ceiling in head Ch and the compartment, can suppress head Ch and ceiling effectively and interfere.
In addition, owing to also be same in the present embodiment with the 2nd embodiment, between Motorized retractor 36 and back of seat hypsokinesis unit 40B, be provided with make their mutual interlocks and on one side occupant restraint make back of seat 3 sweptback interlock unit 200A on one side, so when taking place to overturn, can be constrained in seat 2 to occupant C by seat belt apparatus 30 on one side, back of seat 3 is receded on one side, so can promptly carry out receding of back of seat 3, the space can be set between occupant's head Ch and ceiling when overturning reliably.
And, owing to constitute above-mentioned interlock unit 200A by spool 210, this spool 210 can relatively move freely around the ribbon 37 of emitting from Motorized retractor 36, and when overturning, engage this ribbon 37 and move main shaft 100 rotations that make back of seat 3 by the coiling of ribbon 37, so can directly make spool 210 work by ribbon 37, so can be reliably the rotational force of Motorized retractor 36 be delivered to main shaft 100, and, can make simpler structure and back of seat 3 is receded.
Figure 27~Figure 34 illustrates the 4th embodiment of the present invention; the component part mark same reference numerals identical with the respective embodiments described above is described with omitting repeat specification; Figure 27 is the block diagram of the seat of common running state; Figure 28 is the block diagram of the seat when detecting the overturning of vehicle; Figure 29 is the back view of the inner structure of expression seat; Figure 30 is respectively at the common lateral plan of D portion among running state and the Figure 29 that is detecting shown in (b) when overturning shown in (a), and Figure 31 is a lateral plan of representing the mode of operation of occupant protection system by (a)~(c) order.
In addition, Figure 32 is an exploded perspective view of representing the inner structure of back of seat bottom in detail, and Figure 33 is wanting the portion cross section to represent the back view of the inner structure of seat bottom, and Figure 34 is the instruction diagram of the diagram of circuit of control occupant protection system.
In addition, also be in the present embodiment as shown in Figure 29, Figure 30, on one side between seat belt apparatus 30 and back of seat hypsokinesis unit 40C, be provided with make their mutual interlocks and on one side occupant restraint make back of seat 3 sweptback interlock unit 200B.
That is, as Figure 29, shown in Figure 30, above-mentioned interlock unit 200B is made of mobile rollers 220, sum spiral pipe 221, by mobile rollers 220 when overturning move forward and with the take-up force of ribbon 37 convert to back of seat 3 after go all out.This mobile rollers 220 can be movably forward and backward around the back side part below the ribbon 37 that disposes on the above-below direction along back of seat 3, and it is directed to the Motorized retractor 36 that is disposed at seat cushion 4 the place aheads, this screw actuator 221 is as the mobile unit that when taking place to overturn this mobile rollers 220 is moved to vehicle front.
And, under the vehicle 1 as the situation of sidewindering because of overturning as shown in Figure 5 of the 1st embodiment, shown in Figure 31 (a)~(c), same with the 1st embodiment, seat belt apparatus 30 and back of seat 3 work and make the occupant C specified amount that recedes have enlarged the space between occupant's head Ch and the ceiling.
Promptly, Figure 31 (a) illustrates the common state that overturning does not take place, be sitting under the state of seat 2 at the occupant C device 30 of fastening seat belts, detect when overturning when sidewinder detecting unit 20 by vehicle, then such shown in Figure 31 (b), Motorized retractor 36 is worked and is involved in ribbon 37, shoulder hamess 31 is constrained in back of seat 3 to occupant C brute force with the tension force of regulation, and shown in Figure 31 (c) like that the work by Motorized retractor 36 make occupant C together with back of seat 3 specified amount that recedes via ribbon 37.
In addition, also be that above-mentioned Motorized retractor 36 can just carry out/contrary rotation in the present embodiment, have to make seat belt apparatus 30 and back of seat hypsokinesis unit 40C return to the reversible function that detects the state before overturning.
As Figure 32, shown in Figure 33, the detailed bottom section of above-mentioned seat 2, the bottom of back of seat frame 3a is rotatably installed on the lower slider parts 112 of seat slide 110 by the plate 114 that uses in the seat back plate 222 of newly establishing in the present embodiment and the respective embodiments described above.
Above-mentioned seat back plate 222, the outstanding setting in side in seat 2 respectively of its fin 223, aspect forms roughly T font, and the bottom of back of seat frame 3a is by as being set in than the fin 223 of seat back plate 222 more by the rotating fulcrum 224 of the banking motion axle of vehicle front part and being bonded rotationally.
On back of seat frame 3a, be provided with the axle 226 that links above-mentioned rotating fulcrum 224 parts, and be provided with lower box 227 between the bottom of joint seat chair back frame 3a, and, on the car inner side edge of back of seat frame 3a, be provided with above-mentioned the 1st~the 3rd embodiment in set same ribbon guides 38.
In addition, same with the respective embodiments described above, be provided with and can setting up binding frame 121 on the overall width direction inside/outside between the slide unit 112 in the bottom of seat 2 along moving forward and backward the seat slide 110 that supports seat cushion 4 freely.
Between the fin 223 of the lower box 227 of above-mentioned back of seat frame 3a and above-mentioned seat back plate 222, also like that extension spring 225 is set as shown in figure 30, back of seat frame 3a is rotated to the direction that resets (direction leans forward) by the application force of the shrinkage direction of this extension spring 225 in the part that is positioned at below more leaning on than above-mentioned rotating fulcrum 224.
In addition, the band boss hole 115 that is located on the plate 114 of side (right-hand among the figure) in the overall width direction is matched with the support holes 228 that is formed on seat back plate 222 bottoms rotationally, and the boss portion 115a that is located on the other hand on the plate 114 of overall width direction foreign side (left among the figure) is matched with in the support holes 228 that is formed on seat back plate 222 bottoms rotationally.
And, the inboard of the seat back plate 222 of side disposes back of seat inclinator 103 and axle guides 101 successively in the overall width direction, and at the inboard of the seat back plate 222 of an overall width direction foreign side configuration axle guides 102, minor diameter support 100a, the 100b at main shaft 100 both ends is rotatable to be cooperated with centre hole 101a, the 102a of axle guides 101,102 respectively freely.
In addition, in the present embodiment, on above-mentioned axle guides 101, back of seat inclinator 103 and back of seat frame 3a, do not form formed slotted hole 101b, 103b, 106a in the 1st~the 3rd embodiment.
Above-mentioned back of seat inclinator 103 and above-mentioned axle guides 101 combine with seat back plate 222 by pin 117a, and above-mentioned axle guides 102 combines with seat back plate 222 by pin 117a.
And, between the plate 114 of back of seat frame 3a and overall width direction inside/outside, be provided with the disc spring 118 that seat back plate 222 is applied turning effort to the direction that resets, interior all ends fastening of this disc spring 118 is in from the outstanding respectively fastening projection 119 that is provided with in the side of the periphery of above-mentioned band boss hole 115 and an opposite side with above-mentioned boss portion 115a, and the peripheral end fastening of disc spring 118 is in from the outstanding fastening projection 229 that is provided with in the side of seat back plate 222.
At this, in the present embodiment, at the car medial margin portion configuration Motorized retractor 36 of the hip curved-surface plate 4b of seat cushion 4 lower surface, the ribbon 37 of reeling and being disposed along ribbon guides 38.
Promptly, be positioned at car inboard below the ribbon guides 38 on the slide unit 112, formation from ribbon guides 38 roughly under extend to the slotted hole 230 of the vehicle fore-and-aft direction of vehicle front (right-hand Figure 32), in this slotted hole 230, can move forward and backward mobile rollers 220 is installed freely, on this mobile rollers 220, also this ribbon 37 is directed to the above-mentioned Motorized retractor 36 that is disposed at vehicle front around ribbon 37.
In addition, the screw actuator 221 that above-mentioned mobile rollers 220 is moved forward and backward in the rear view of vehicle setting of above-mentioned slotted hole 230, the working component 221a that haunts with respect to this screw actuator 221 is connected with mobile rollers 220, when take place overturning, make working component 221a outstanding and push mobile rollers 220 to vehicle front, make moving to than the below extended line of ribbon guides 38 more by the position of vehicle front of ribbon 37 around part.
And, on the above-mentioned lower box 227 of the lowest end that becomes back of seat frame 3a, be provided with guiding roller 231 downwards with ribbon 37 butts that dispose from ribbon guides 38.
Thereby, in the present embodiment, make screw actuator 221 when the outstanding direction action of working component 221a makes mobile rollers 220 move to vehicle front by the detection of overturning, then guiding (centering on) point of the ribbon 37 at these mobile rollers 220 places moves to the position of more leaning on vehicle front than the below extended line of ribbon guides 38, under this state during with Motorized retractor 36 coiling ribbons 37, then the take-up force that takes place on the ribbon 37 as the thrust of vehicle front on the guiding roller 231 of back of seat frame 3a bottom.
So, because back of seat frame 3a be center back inclination with rotating fulcrum 224, so occupant C can enlarge the space between occupant's head Ch and the ceiling together with the back of seat 3 motion specified amount that recedes.
At this moment, the ribbon 37 because Motorized retractor 36 is being reeled is so occupant C is constrained in back of seat 3 by shoulder hamess 31 more powerfully.
In addition, also be to dispose a side of above-mentioned back of seat inclinator 103 in the present embodiment, dispose inclinator movable rod 123 in the outside of plate 114, constitute the leaning device 60 of the fore-and-aft direction banking motion position of any setting back of seat 3 by these back of seat inclinators 103 and inclinator movable rod 123.
Also be that above-mentioned inclinator movable rod 123 is installed on plate 114 by the pin 124 that passes the slotted hole 123a that is located on the centre portion in this case, and make with the end 123c of operating portion 123 opposite sides and pass and cooperate with the centre hole 103a of back of seat inclinator 103 from above-mentioned band boss hole 115.
And; also be that control box 50 detects overturning according to the diagram of circuit shown in Figure 34 in above-mentioned occupant protection system 10C; based on its control seat chair back hypsokinesis unit 40C and seat belt apparatus 30 as a result; this diagram of circuit below is described, but the diagram of circuit same treatment with the respective embodiments described above is partly marked the same steps as symbol and omits repeat specification.
; the occupant protection system 10C of present embodiment; because main shaft 100 is the banking motion center when making back of seat 3 banking motions by leaning device 60 only; so abolish the screw actuator 104 shown in the 1st~the 3rd embodiment; do not need back of seat inclinator 103 is locked in back of seat frame 3a, so do not need the control of step S18 performed in the diagram of circuit of the respective embodiments described above and step S25.
In addition, at step S24B, the working component 221a of screw actuator 221 is retreated and mobile rollers 220 is returned under the state of original state shown in Figure 32 by step S23A, make it unfettered by the work that stops Motorized retractor 36, back of seat 3 returns to the state of judging before overturning rotating under the effort of extension spring 225 on erecting direction.
In addition, in the control of the diagram of circuit of present embodiment, also be to use and judge the figure that overturns, but because these and the 1st embodiment shown in Figure 11 are same, its explanation of Therefore, omited.
As described above; occupant protection system 10C when sidewindering according to the vehicle of present embodiment; same with the 1st embodiment; when detecting overturning; can under being restrained to the state of seat 2, occupant C make back of seat 3 specified amount that recedes; main shaft 100 with back of seat 3 is that center back moves so the head Ch of occupant C is along with receding of back of seat 3, has increased the space between the ceiling in head Ch and the compartment, can suppress head Ch and ceiling effectively and interfere.
In addition, also be in the present embodiment with the 2nd, the 3rd embodiment similarly, between Motorized retractor 36 and back of seat hypsokinesis unit 40C, be provided with make their mutual interlocks and on one side occupant restraint make back of seat 3 sweptback interlock unit 200B on one side, so can when taking place to overturn, be constrained in seat 2 to occupant C by seat belt apparatus 30 on one side, Yi Bian back of seat 3 is receded.
And, constitute above-mentioned interlock unit 200B by mobile rollers 220 sum spiral pipes 221, when overturning, move forward by mobile rollers 220 and the take-up force of ribbon 37 converted to back of seat 3 after go all out, so can back of seat 3 be receded.This mobile rollers 220 can be movably forward and backward around the back side part below the ribbon 37 that disposes on the above-below direction along back of seat 3, and ribbon 37 is directed to the Motorized retractor 36 that is disposed at seat cushion 4 the place aheads, this screw actuator 221 makes this mobile rollers 220 move to vehicle front when taking place to overturn.
Figure 35~Figure 43 illustrates the 5th embodiment of the present invention, identical component part mark same reference numerals with the respective embodiments described above is omitted its repeat specification, Figure 35 is the block diagram of the seat of common running state, Figure 36 is the block diagram of the seat when detecting the overturning of vehicle, and Figure 37 is the lateral plan of seat of the state that sidewinders of the vehicle that caused by overturning by the expression of (a)~(c) order.
In addition; Figure 39 is an exploded perspective view of representing the inner structure of back of seat bottom in detail; Figure 40 is the block diagram of assembled state of representing the inner structure of back of seat bottom in detail; Figure 41 be the lock-out state of back of seat hypsokinesis unit and latch-release state be shown respectively in (a) and (b) want portion's enlarged side view; Figure 42 illustrates the lock-out state of latch-release unit and the amplification stereogram of latch-release state respectively in (a) and (b), Figure 43 is the instruction diagram of the diagram of circuit of control occupant protection system.
Particularly, in the present embodiment, above-mentioned back of seat hypsokinesis unit 40D by as the rest pin 242 of swivel bearing portion can making the bottom of back of seat 3 sweptback mode supporting base chair backs 3, and have: the seat back plate 240 that combines with leaning device 60, the counterrotating lockout mechanism 250 of locking seat back plate 240 and back of seat 3, as detecting the fracture pin 260 of latch-release unit of the lock-out state of the mechanism 250 that unlocks when overturning sidewindering detecting unit 20 by vehicle, and as the spring 280 of the applying unit of going all out after going all out after along with the latch-release of lockout mechanism 250 back of seat 3 being applied.
And, under the vehicle 1 as the situation of sidewindering because of overturning as shown in Figure 37 of the 1st embodiment, shown in Figure 38 (a)~(c), same with the 1st embodiment, seat belt apparatus 30 and back of seat hypsokinesis unit 40D work and make occupant C topple over specified amount backward, enlarge the space between occupant's head Ch and the ceiling.
In addition, Figure 37 (a) illustrates the state before being about to overturn, and Figure 37 (b) illustrates the state of 1/4 circle that overturns, and Figure 37 (c) illustrates the state of 1/2 circle that overturns.In addition, with cooresponding Figure 38 of Figure 37 (a) (a) in, with the common running state occupant C device 30 of fastening seat belts similarly, with cooresponding Figure 38 of Figure 37 (b) (b) in, just be judged as enter the overturning pattern after the time, Motorized retractor 36 work and coiling ribbon 37, shoulder hamess 31 is drawn into and occupant C brute force is constrained in back of seat 3, and with cooresponding Figure 38 of Figure 37 (c) (c) in, be in when overturning back of seat 3 specified amount that recedes being judged as vehicle.
Above-mentioned in the present embodiment Motorized retractor 36 can just carry out/contrary rotation, has to make seat belt apparatus 30 return to the reversible function that detects the state before overturning.
As Figure 39, shown in Figure 40, the detailed bottom section of above-mentioned seat 2 is, the seat back plate 240 of the overall width direction both sides of the bottom of back of seat frame 3a by being configured in seat 2,240A and be rotatably installed on the last slide unit 112 of seat slide 110 with these seat back plate 240, the cooresponding plate 114 of 240A.
In addition, stride and dispose banking motion center shaft 270 between the bottom of back of seat frame 3a of overall width direction both sides of back of seat 3.
Above-mentioned seat back plate 240,240A are formed by the sheet material in the upwardly extending almost diamond of upper and lower, above end formed thereon, pass rest pin 242 in the mounting hole 241, carry out combination by this rest pin 242 being passed the end that the mounting hole 243 that is formed on the back of seat frame 3a threadingly engages in above-mentioned banking motion center shaft 270, thereby with this rest pin 242 is the center, and seat back plate 240,240A can carry out relative the rotation with back of seat frame 3a.
In addition, the bottom of seat back plate 240,240A form below mounting hole 244 is rotatable cooperates with the band boss hole 115 and the boss portion 115a (with reference to Fig. 9) of the plate 114 that is incorporated into slide unit 112 freely.
At this, as shown in figure 41, in being disposed at the overall width direction side (right-hand among Figure 39) seat back plate 240 on, descend the both sides, front and back of direction central portion thereon, arc opening portion 245,245a that formation is the center with above-mentioned rest pin 242 can relatively move in these arc opening portions 245,245a and be combined with outstanding guide finger 246, the 246a that is provided with from back of seat frame 3a freely.
In addition, between above-mentioned seat back plate 240 and above-mentioned back of seat frame 3a, be provided with above-mentioned spring 280.This spring 280, its both ends under the state that spring stretches be hooked in the outstanding above-mentioned rest pin 242 that is arranged at seat back plate 240 below fastening pin 281 and the fastening pin 282 in the outstanding vehicle rear-side portion that is arranged at back of seat frame 3a above this fastening pin 281.
Thereby the application force of above-mentioned spring 280 is as making back of seat frame 3a, being that back of seat 3 is that center back bevelled masterpiece is used for seat back plate 240 with above-mentioned rest pin 242.
Above-mentioned lockout mechanism 250 has hook members 251, this hook members 251 is located at the central portion of above-mentioned seat back plate 240, formed by the hook portion 251a of reverse U shape on the upper end and the arm 251b that makes the vehicle rear-side portion of this hook portion 251a extend setting downwards, the pars intermedia of the arm 251b of this hook members 251 is supported on seat back plate 240 by the center pin 252 rotatable earth's axis freely.
And, pin 253a, the 253b of the front side portion of outstanding respectively bottom that is arranged at above-mentioned arm 251b and seat back plate 240, at the rise to the bait both ends of the spring 253 that hangs with extended state of this two pin 253a, 253b, it is the turning effort power of left-hand revolution direction among the figure at center that above-mentioned hook members 251 is applied with center pin 252 by spring 253.
Above-mentioned hook members 251 is under the lock-out state shown in Figure 41 (a), and hook portion 251a engages with above-mentioned guide finger 246a, and 260 fastenings are sold by above-mentioned fracture in the bottom of arm 251b.
Shown in Figure 42 (a), fracture pin 260 forms the cylindric of in-built electrical resistance body, by applying electric current from control box 50 (with reference to Fig. 1) because of detecting to overturn, to rupture like that shown in Figure 42 (b) thereby generate heat, the fastening of the arm 251b of above-mentioned hook members 251 is disengaged.
So remove the fastening of the arm 251b of hook members 251 by the fracture of fracture pin 260, thereby it is such shown in Figure 41 (b), hook members 251 is the rotation of middle mind-set left-hand revolution direction by the application force of spring 253 with center pin 252, the bond-off of hook portion 251a and guide finger 246a.
So back of seat frame 3a is that center back tilts till the terminal butt of the place ahead of guide finger 246,246a and arc opening portion 245,245a by the application force of spring 280 with rest pin 242.At this moment, above-mentioned hook members 251 stopped in the moment of arm 251b and stop pin 254 butts.
In addition, the inboard that also is the seat back plate 240 of side (right-hand among Figure 39) in the overall width direction in the present embodiment disposes back of seat inclinator 103 and axle guides 101 successively, and at the inboard of the seat back plate 240A of overall width direction foreign side (left among a Figure 39) configuration axle guides 102, minor diameter support 100a, the 100b at main shaft 100 both ends is rotatable to be cooperated with centre hole 101a, the 102a of axle guides 101,102 respectively freely.
Above-mentioned back of seat inclinator 103 and above-mentioned axle guides 101 combine with seat back plate 240 by pin 117a, and above-mentioned axle guides 102 combines with seat back plate 240A by pin 117a.
And, between the plate 114 of back of seat frame 3a and overall width direction inside/outside, similarly be provided with the disc spring 118 that seat back plate 240 is applied turning effort to the direction that resets with the respective embodiments described above, interior all ends fastening of this disc spring 118 is in from the outstanding respectively fastening projection 119,120 that is provided with in the side of the periphery of above-mentioned band boss hole 115 and an opposite side with above-mentioned boss portion 115a, and the peripheral end fastening of disc spring 118 is in from the outstanding fastening projection 247 that is provided with in the side of seat back plate 240,240A.
In addition, also be to dispose a side of above-mentioned back of seat inclinator 103 in the present embodiment, dispose inclinator movable rod 123 in the outside of plate 114, constitute the leaning device 60 of the fore-and-aft direction banking motion position of any setting back of seat 3 by these back of seat inclinators 103 and inclinator movable rod 123.
Also be that above-mentioned inclinator movable rod 123 is installed on plate 114 by the pin 124 that passes the slotted hole 123a that is located at centre portion in this case, and the end 123c of an opposite side with operating portion 123b pass and cooperate with the centre hole 103a of back of seat inclinator 103 from above-mentioned band boss hole 115.
Contact for fear of the face of seat back plate 240, the buffer component 248 of double as separator is set on seat back plate 240, so that relax the two contact with plate 114.
And; also be that control box 50 detects overturning according to diagram of circuit shown in Figure 43 in the occupant protection system 10D of present embodiment; based on its control seat chair back hypsokinesis unit 40D and seat belt apparatus 30 as a result; this diagram of circuit below is described, but the diagram of circuit same treatment with the respective embodiments described above is partly marked the same steps as symbol and omits repeat specification.
; in the occupant protection system 10D of present embodiment, also be same with the 4th embodiment; because main shaft 100 only is used as the banking motion center of the back of seat 3 of leaning device 60; so need be in the diagram of circuit of the 1st~the 3rd embodiment not performed step S18 and the control of step S25; and because there is not the mechanism that sweptback back of seat 3 is resetted, so need be in the diagram of circuit of the 1st~the 4th embodiment not performed step S23 (S23A) and the control of step S24 (S24A, S24B).
In addition, at step S16A, fracture pin 260 to the locking of the mechanism 250 that is used to unlock applies electric current, makes lockout mechanism 250 be disengaged locking in the fracture of step S17D by fracture pin 260, makes back of seat 3 specified amount that recedes by the application force of spring 280.
In addition, judge the figure that overturns though in the control of the diagram of circuit of present embodiment, also be to use, because these are identical with the 1st embodiment shown in Figure 11, its explanation of Therefore, omited.
As described above such; occupant protection system 10D when sidewindering according to the vehicle of present embodiment; when similarly detecting overturning with the 1st embodiment; can under being restrained to the state of seat 2, occupant C make back of seat 3 specified amount that recedes; main shaft 100 with back of seat 3 is that center back moves so the head Ch of occupant C is along with receding of back of seat 3; increased the space between the ceiling in head Ch and the compartment, can suppress head Ch and ceiling effectively and interfere.
In addition, because the back of seat hypsokinesis unit 40D of present embodiment has: the bottom that can make the ground supporting base chair back 3 that recedes of back of seat 3 by rest pin 242, and the seat back plate 240 that combines with leaning device 60, the counterrotating lockout mechanism 250 of locking seat back plate 240 and back of seat 3, fracture pin 260 at the lock-out state that sidewinders the mechanism 250 that unlocks when detecting unit 20 detects overturning by vehicle, and the spring 280 of after back of seat 3 applies, going all out along with the latch-release of lockout mechanism 250, so fracture pin 260 ruptures reliably because of applying electric current when overturning, and then, reliably lockout mechanism 250 is unlocked, back of seat 3 is promptly receded.
And, according to present embodiment, owing to seat back plate 240,240A are set by overall width direction both sides at seat 2, can make back of seat hypsokinesis unit 40D and leaning device 60 carry out work respectively, and, can back of seat 3 be receded by spring 280, so the receding of the back of seat 3 can realize overturning by simple structure the time.
Figure 44 illustrates the variation of above-mentioned the 5th embodiment, and this figure wants portion's enlarged side view by what the (a) and (b) order was represented the lock-out state of back of seat hypsokinesis unit and latch-release state.
Promptly, in the 5th embodiment, the situation of using spring 280 as going all out applying unit behind the back of seat hypsokinesis unit 40D is disclosed, but be not limited thereto, so long as can get final product to the unit that applies the hypsokinesis oblique force to back of seat 3 along with the latch-release of lockout mechanism 250, for example, shown in Figure 44 as this variation also can be used screw actuator 283.
Promptly, above-mentioned screw actuator 283 is located at the top of seat back plate 240, connection lead 284 on the electric current that leads to this screw actuator 283 by connection/cut-out is advanced and retreat mobile member, the pars intermedia of the outstanding pin that is provided with 285 these lines 284 of guiding on seat back plate 240 makes the leading section of line 284 combine with the outstanding fastening pin 286 that is provided with on back of seat frame 3a.
And, under the lock-out state of the lockout mechanism 250 shown in Figure 44 (a), make line 284 become the state that passes in and out with respect to screw actuator 283, detect when overturning lockout mechanism 250 unlocked in screw actuator 283 work and line 284 is retreated, thereby like that, being drawn fastening pin 286 and can make back of seat frame 3a to below roughly by line 284 be the center back inclination with rest pin 242 shown in Figure 44 (b).
Figure 45~Figure 48 illustrates the 6th embodiment of the present invention; identical component part mark same reference numerals with the respective embodiments described above is omitted its repeat specification; Figure 45 is an exploded perspective view of representing the inner structure of back of seat bottom in detail; Figure 46 wants portion's enlarged side view at the lock-out state of the hypsokinesis of back of seat shown in (a) and (b) unit and latch-release state; Figure 47 is at the lock-out state of the unit of latch-release shown in the (a) and (b) and the amplification stereogram of latch-release state, and Figure 48 is the instruction diagram of the diagram of circuit of control occupant protection system.
Promptly, above-mentioned seat back plate 240,240A and the 5th embodiment similarly are disposed at the overall width direction both sides of seat 2, their upper end can be connected in back of seat frame 3a with the relative rotation by rest pin 242, and the bottom is rotatable cooperates with the band boss hole 115 and the boss portion 115a of plate 114 freely.
Above-mentioned lockout mechanism 250 is located at the central portion that is disposed at the seat back plate 240 of side (right-hand among Figure 45) in the overall width direction, the hook members 251 that is formed by hook portion 25a and arm 251b is supported on seat back plate 240 by the center pin 252 rotatable earth's axis freely, and applies anti-clockwise rotational force among the figure by spring 253.
And as under the hook portion 251a of Figure 46 (a) above-mentioned hook members 251 that is shown in and the lock-out state that guide finger 246a engages, the lower end fastening of arm 251b is in the pin 261a that haunts of above-mentioned screw actuator 261.
Shown in Figure 47 (a), above-mentioned screw actuator 261, the pin 261a that haunts when not detecting overturning common is in outstanding state, by applying electric current from control box 50 (with reference to Fig. 1) because of detecting to overturn, thereby the pin 261a that haunts like that shown in Figure 42 (b) submerges, and the fastening of the arm 251b of above-mentioned hook members 251 is disengaged.
Thereby, sell 260 same with the fracture of the 5th embodiment, the submerging of pin 261a of haunting by screw actuator 261 is disengaged the fastening of the arm 251b of hook members 251, shown in Figure 46 (b), hook members 251 is the rotation of middle mind-set left-hand revolution direction under the effect of the application force of spring 253 and with center pin 252, the bond-off of hook portion 251a and guide finger 246a.At this moment, with the work of above-mentioned screw actuator 261 in above-mentioned electrical motor 287 be driven and back of seat frame 3a is that center back tilts with rest pin 242.
Promptly, as shown in figure 45, above-mentioned electrical motor 287 is installed on the back of seat frame 3a of standdle carrier cross direction both sides and the adapter plate 271 of combination, the gear 287a that is located on the S. A. of this electrical motor 287 is engaged in the gear 287b that is located on the banking motion center shaft 270, be driven by electrical motor 287 and pass through gear 287a, 287b rotation banking motion center shaft 270, and then, the back of seat frame 3a banking motion that is combined into one with the end of this banking motion center shaft 270.
And; also be that control box 50 detects overturning according to diagram of circuit shown in Figure 48 in the occupant protection system 10E of present embodiment; based on its control seat chair back hypsokinesis unit 40E and seat belt apparatus 30 as a result; this diagram of circuit below is described, but the diagram of circuit same treatment with the respective embodiments described above is partly marked the same steps as symbol and omits repeat specification.
; the control flow chart of the occupant protection system 10E of present embodiment; basically carry out the same control of control flow chart with the occupant protection system 10D of the 5th embodiment shown in Figure 43; but; the step S16A that particularly replaces Figure 43 in the present embodiment; carry out the step S16B that makes screw actuator 261 work in order to unlock mechanism 250, and replace the step S17D of Figure 43, make electrical motor 287 work for back of seat 3 is receded at step S17E.
In addition, in the diagram of circuit of above-mentioned present embodiment, side travel at step S11 occupant C does not surpass under the situation of specified value, and, being judged as back of seat 3 at step S22 becomes under the situation of tilt state (sign=1), is made above-mentioned electrical motor 287 reverses and is made sweptback back of seat 3 return to original state by step S24C.
In addition, in the control of the diagram of circuit of present embodiment, also be to use and judge the figure that overturns, but because these and the 1st embodiment shown in Figure 11 are same, its explanation of Therefore, omited.
As described above; occupant protection system 10E when sidewindering according to the vehicle of present embodiment; when similarly detecting overturning with the 1st embodiment; can under being restrained to the state of seat 2, occupant C make back of seat 3 specified amount that recedes; main shaft 100 with back of seat 3 is that center back moves so the head Ch of occupant C is along with receding of back of seat 3; increased the space between the ceiling in head Ch and the compartment, can suppress head Ch and ceiling effectively and interfere.
In addition, the back of seat hypsokinesis unit 40E of present embodiment, by the applying unit of going all out after electrical motor 282 is used as, can reversibly carry out the banking motion of back of seat 3 with simple structure, can after eliminating, reason automatically make because of detecting the sweptback back of seat 3 that overturns to reset.
Figure 49~Figure 57 illustrates the 7th embodiment of the present invention; identical component part mark same reference numerals with the respective embodiments described above is omitted its repeat specification; Figure 49 is the back view of the state that sidewinders of the vehicle that caused by overturning by (a)~(c) order expression, and Figure 50 is a lateral plan of representing the mode of operation of occupant protection system by (a)~(c) order.
In addition; Figure 51 is the block diagram of the right-side seat of common running state; Figure 52 is the block diagram of the left-side seat of common running state; Figure 53 is the block diagram of the right-side seat that back of seat has receded when the overturning that detects vehicle; Figure 54 is the block diagram of the left-side seat that back of seat has receded when the overturning that detects vehicle; the block diagram of the right-side seat when Figure 55 is the overturning state; Figure 56 is the block diagram of the left-side seat that retreated under the overturning state, and Figure 57 is the instruction diagram of the diagram of circuit of control occupant protection system.
In addition, in the present embodiment, shown in Figure 51, Figure 52, at the seat 2R that is disposed at the vehicle right side be disposed on the seat 2L of vehicle left side and have the seat fallback unit 300 that makes these seats 2R, 2L retreat specified amount, above-mentioned control box 50 makes 300 work of seat fallback unit detecting when overturning.
In addition, the seat 2R on right side and the seat 2L in left side, each member of formation such as its seat belt apparatus 30, back of seat hypsokinesis unit 40E and seat fallback unit 300 is symmetry and same structure, and each member of formation mark same reference numerals of two seat 2R, 2L is described as follows.
Above-mentioned seat fallback unit 300 has can make seat cushion 4 be supported on the seat slide 301,301a of base plate movably and as detecting the electrical motor 302 that drives the actuator of seat cushion 4 when overturning along this seat slide 301,301a to rear view of vehicle along the vehicle fore-and-aft direction.
Be provided with tooth bar 303 on the seat slide 301 in above-mentioned seat slide 301,301a, a side, and above-mentioned electrical motor 302 is installed on seat cushion 4 and is provided with and above-mentioned tooth bar 303 ingear miniature gearss 304, rotation by electrical motor 302 can make whole seat 2 move along the vehicle fore-and-aft direction together with seat cushion 4, and electrical motor is driven to the direction that makes seat cushion 4 retreat (rear view of vehicle moves) when detecting overturning.
In addition, Figure 50 (a)~(d) illustrates respectively the action with the cooresponding seat 2R of above-mentioned Figure 49 (a)~(d), 2L, with cooresponding Figure 50 of Figure 49 (a) (a) in, the occupant C device 30 of fastening seat belts similarly during with common operation, at this moment, shown in Figure 51,52, the front and back position of seat 2R, the 2L of the left and right sides is set to the position corresponding to occupant C physique.
With cooresponding Figure 50 of Figure 49 (b) (b) in, at the state that just is judged as after entering the overturning pattern, Motorized retractor 36 work and coiling ribbon 37 is drawn in pelvic restraint 31, occupant C is constrained in back of seat 3 by brute force.
In addition, with cooresponding Figure 50 of Figure 49 (c) (c) in, being judged as vehicle when being the overturning state, shown in Figure 53,54, seat 2R, the 2L of the left and right sides is back of seat 3 specified amount that recedes.
With cooresponding Figure 50 of Figure 49 (d) (d) in, be judged as vehicle when being the overturning state, shown in Figure 55, Figure 56, make occupant C take one's seat the position with because of the seat of a hand of rotation side far away with respect to the vehicle centre of gration, for example when vehicle overturns to the right, just make the left side seat 2L move to rear view of vehicle.Certainly, the seat 2R on right side is moved to rear view of vehicle.At this moment, all launch curtain air bag 310 in seat 2R, the 2L side of the left and right sides.
; the control flow chart of the occupant protection system 10F of present embodiment is carried out the same control of control flow chart with the occupant protection system 10E of the 6th embodiment shown in Figure 48 basically; but particularly in the present embodiment; it is different being judged as the control of figure after when being in area B at step S20; after the judgement of step S20; hand of rotation when detecting vehicle rollover by step S26 is also imported testing result, and is detected seat 2R and the 2L that occupant C takes one's seat and imported testing result by step S27.
Then, judge that at next step S28 the seat that occupant C takes one's seat is in a near side (Near Side) with respect to centre of gration, still be in a side far away (Far Side), be judged as under the situation that is in a near side, make Motorized retractor 36 performance preloader effects by step S29, and shown in Figure 55, launch curtain air bag 310 like that.
On the other hand, be judged as under the situation that is in a side far away at step S28, shown in Figure 56, make the mobile backward specified amount of seat 2L like that by step S30, and make Motorized retractor 36 performance preloader effects, shown in Figure 55, launch curtain air bag 310 like that by step S31.
In addition, in the control of the diagram of circuit of present embodiment, also be to use and judge the figure that overturns, but because these and the 1st embodiment shown in Figure 11 are same, its explanation of Therefore, omited.
As described above; occupant protection system 10F when sidewindering according to the vehicle of present embodiment; when similarly detecting overturning with the 1st embodiment; can under being restrained to the state of seat 2, occupant C make back of seat 3 specified amount that recedes; so the head Ch of occupant C increases the space between the ceiling in head Ch and the compartment along with receding of back of seat 3, can suppress head Ch and ceiling effectively and interfere.
In addition, in the present embodiment, seat fallback unit 300 is set, when vehicle is in the overturning state, the seat 2R or the 2L of a side far away with respect to the vehicle centre of gration are moved to rear view of vehicle, so can guarantee the head Ch of occupant C and the gap between the ceiling biglyyer, the result relaxes easily from the power of roof front part to the head of occupant C.
Figure 58~Figure 68 illustrates the 8th embodiment of the present invention, identical component part mark same reference numerals with the respective embodiments described above is omitted repeat specification, Figure 58 is the block diagram of the right-side seat of common running state, Figure 59 is the block diagram of the left-side seat of common running state, Figure 60 is the block diagram of the right-side seat that back of seat has receded when the overturning that detects vehicle, Figure 61 is the block diagram of the left-side seat that back of seat has receded when the overturning that detects vehicle, the block diagram of the left-side seat the when block diagram of the right-side seat when Figure 62 is the overturning state, Figure 63 are the overturning state.
In addition; Figure 64 is the amplification stereogram of the inner structure of expression seat cushion; Figure 65 is an E-E amplification view among Figure 64; Figure 66 is the amplification stereogram of inner structure of seat cushion of the decline state of expression seat cushion; Figure 67 is the instruction diagram of the diagram of circuit of control occupant protection system, and Figure 68 is the figure that is used to make the side airbag expansion.
In addition, in the present embodiment, shown in Figure 64~Figure 66, have the seat cushion decline unit 400 that makes seat cushion 4 decline specified amounts, above-mentioned control box 50 makes 400 work of seat cushion decline unit when detecting overturning.
In addition, the seat 2R on right side and the seat 2L in left side, each member of formation such as its seat belt apparatus 30, back of seat hypsokinesis unit 40E and seat cushion decline unit 400 is symmetry and same structure, to each member of formation mark same reference numerals of two seat 2R, 2L and be described as follows.
Seat surface plate 401 with bounce and conduct that above-mentioned seat cushion decline unit 400 has the 4c of seat surface portion that forms seat cushion 4 are detecting the electrical motor 402 that makes these seat surface plate 401 reclinate actuators when overturning.
That is, above-mentioned seat surface plate 401 is formed with peristome 401b than large rectangle so that have the criss cross bridge 401a of portion at central portion in four angle parts.And, shown in Figure 65, the below of present panel 401 is provided with the frame portion 403 that is incorporated into cushion frame 4a, with the central portion of this one 403, be that above-mentioned electrical motor 402 is installed at the roughly cooresponding position of central portion of the above-mentioned criss-cross bridge 401a of portion, reeling on the belt pulley of being located on this electrical motor 402 404 is branched into the line 405 of four leading section 405a~405d.
Leading section 405a~the 405d of each branch of above-mentioned line 405 is configured near and the combination with it of central portion on each limit of the above-mentioned criss-cross bridge 401a of portion respectively, by making the coiling direction rotation of electrical motor 402 to line 405, this line 405 is wound on the belt pulley 404, shown in Figure 66, seat surface plate 401 is together with the whole depressed deformation downwards of the criss-cross bridge 401a of portion, and the 4c of seat surface portion of seat cushion 4 descends thus.
In addition, above-mentioned electrical motor 402 stops the rotation when having reeled the line 405 of specified amount, but its take-up force is kept owing to continue energising to wait, the decline state that keeps seat surface plate 401, by cutting off the energising to electrical motor 402, by the bounce of seat surface plate 401, line 405 uncoilings and this seat surface plate 401 return to original state, the 4c of seat surface portion rises, thereby above-mentioned electrical motor 402 has reversible function.
In addition, also be such shown in the 7th embodiment in the present embodiment, vehicle 1 is action shown in Figure 49 (a)~(d) when overturning, among cooresponding Figure 50 of Figure 49 (a) (a) of state before being about to overturn with expression, the occupant C device 30 of fastening seat belts similarly during with common operation, at this moment, shown in Figure 58, Figure 59, the front and back position of seat 2R, the 2L of the left and right sides is configured to the position corresponding to the physique of occupant C.
In addition, overturning among cooresponding Figure 50 of Figure 49 (b) (b) of 1/4 round attitude with expression, at the state that just is judged as after entering the overturning pattern, Motorized retractor 36 work and coiling ribbon 37, draw in pelvic restraint 31, occupant C is constrained in back of seat 3 by brute force.
And, in cooresponding Figure 50 of Figure 49 (c) (c) of the 1/2 round attitude of overturning with expression, be in state when overturning being judged as vehicle, shown in Figure 60, Figure 61, seat 2R, the 2L of the left and right sides is back of seat 3 specified amount that recedes.
In addition, after 1/2 circle that overturns with expression among cooresponding Figure 50 of Figure 49 (d) (d) of state, be judged as vehicle when being in the overturning state, shown in Figure 62, Figure 63, seat 2R, the 2L of the left and right sides makes seat cushion 4 descend.
At this moment, seat 2R, 2L side in the left and right sides are all launched curtain air bag 310, and at seat (2L in the present embodiment) with respect to a vehicle centre of gration side far away, be built in the back of seat 3 side airbag 311 according to and roof between distance launch.
; the control flow chart of the occupant protection system 10G of present embodiment is carried out basically the same control of control flow chart with the occupant protection system 10F of the 7th embodiment shown in Figure 57; but especially in the present embodiment, judge that at step S28 it still is control difference after the side far away that occupant C is positioned at a near side.
In addition, in the control of the diagram of circuit of present embodiment, also be to use and judge the figure that overturns, but because this and the 1st embodiment shown in Figure 11 are same, its explanation of Therefore, omited, shown in Figure 68, the figure that is used to make side airbag 311 to launch on the other hand, be according to the time with roof between the related of distance judge, behind the specified time of the judgement region alpha of overturning, set the spreading area β of side airbag 311.
In addition, in the control flow chart of explanation present embodiment, the control flow chart same treatment with Figure 57 is partly marked the same steps as symbol and omits repeat specification.
That is, in the control flow chart of present embodiment, be judged as when being a near side at the step S28 of the control flow chart shown in Figure 57, by step S32 seat cushion 4 is descended after, make preloader and curtain air bag 310 work at step S29.
In addition, when above-mentioned steps S28 is judged as a side far away, after by step S33 seat cushion 4 being descended, make preloader and curtain air bag 310 work at step S31, measure the head of occupant C and the distance between the roof by step S34 then, by step S35 side airbag 311 is launched in the occasion of this variable in distance.
As described above; occupant protection system 10G when sidewindering according to the vehicle of present embodiment; when similarly detecting overturning with the 1st embodiment; can under being restrained to the state of seat 2, occupant C make back of seat 3 specified amount that recedes; so the head Ch of occupant C increases the space between the ceiling in head Ch and the compartment along with receding of back of seat 3, can suppress head Ch and ceiling effectively and interfere.
In addition, seat cushion decline unit 400 is set in the present embodiment, the seat cushion 4 of seat 2R, the 2L of the left and right sides is descended, so can guarantee the head Ch of occupant C and the gap between the ceiling biglyyer.
And, seat 2 in a side far away with respect to the vehicle centre of gration (Far Side) when overturning in the present embodiment launches side airbag 311, thereby can easily make a side occupant C far away that may move to medial surface top, compartment because of the centnifugal force that the vehicle rotation produces stay central portion in the compartment, the result can guarantee to get the occupant headroom before the roof kiss the earth biglyyer.
Figure 69, Figure 70 illustrate the variation of the 8th embodiment, identical component part mark same reference numerals with the 8th embodiment is omitted repeat specification, Figure 69 is the block diagram that seat cushion is in the seat of common position, and Figure 70 is the block diagram that seat cushion is in the seat of lowering position.
The seat cushion decline unit 400A of this variation has and is built in gas seat cushion 4, that expand by the gas of filling and encloses bag 410 and make this gas enclose the valve member 411 of the gas discharge in the bag 410 when overturning detecting.
Promptly, above-mentioned valve member 411 constitutes the electromagnetic valve that opens and closes according to the control signal from control box 50, this valve member 411 is enclosed bag 410 by pipe 412 and above-mentioned gas and is communicated with, and it is the height of common seat cushion 4 that this gas inclosure bags 410 is configured at swelling state.In addition, as being enclosed that gas encloses that the gas of bag 410 uses air or as the nitrogen of unreactable gas etc.
Thereby in this variation, shown in Figure 62, Figure 63 of the 8th embodiment, when seat cushion 4 descended, valve member 411 was opened and gases that gas is enclosed in the bag 410 are discharged by the body weight of occupant C, and seat cushion 4 descends thereby gas encloses that bag 410 dwindles.
In addition, the control flow chart of this variation can use the control flow chart shown in Figure 67 in above-mentioned the 8th embodiment, opens valve member 411 but become during the seat cushion of step S32 and step S33 descends in this diagram of circuit.
; the present invention is that example is illustrated with above-mentioned the 1st~the 8th embodiment; but be not limited to these embodiments; in the scope that does not break away from spirit of the present invention, can adopt various other embodiments; for example; though when overturning, back of seat is receded in the respective embodiments described above, also can back of seat be receded by making whole the receding of seat, enlarge the space between occupant's head and the ceiling.
Claims (24)
1. the occupant protection system a when vehicle sidewinders is characterized in that, is provided with:
Vehicle sidewinders detecting unit, detects the overturning state of vehicle;
The occupant restraint unit, with occupant restraint on seat;
The chair tilting unit makes the seat specified amount that recedes; And
Control unit, the detection signal that sidewinders detecting unit according to vehicle judges that overturning makes above-mentioned occupant restraint unit and above-mentioned chair tilting cell operation.
2. the occupant protection system when vehicle according to claim 1 sidewinders is characterized in that, the chair tilting unit is to make back of seat with respect to the sweptback back of seat hypsokinesis of seat cushion unit.
3. the occupant protection system when vehicle according to claim 1 and 2 sidewinders; it is characterized in that the occupant restraint unit is to have the seat belt apparatus that the upper part of the body with the occupant is constrained in the shoulder hamess on the back of seat and occupant's waist is constrained in the pelvic restraint on the seat cushion.
4. the occupant protection system when vehicle according to claim 3 sidewinders is characterized in that, the ribbon of the seat belt apparatus of packing into from the back of seat upper end, and the ribbon wind2 is built in back of seat or the seat cushion.
5. the occupant protection system when vehicle according to claim 4 sidewinders is characterized in that, the ribbon wind2 has the electrical motor winder unit that carries out the coiling/uncoiling when common and the gunpowder formula winder unit of coiling ribbon when urgent.
6. the occupant protection system when each described vehicle sidewinders in the claim 2~5 is characterized in that, occupant restraint unit and back of seat hypsokinesis unit have and return to the reversible function that detects the state before overturning.
7. the occupant protection system when each described vehicle sidewinders in the claim 4~6; it is characterized in that; between occupant restraint unit and back of seat hypsokinesis unit the interlock unit is set, occupant restraint recedes back of seat on one side on one side this interlock unit makes occupant restraint unit and the mutual interlock in back of seat hypsokinesis unit.
8. the occupant protection system when vehicle according to claim 7 sidewinders; it is characterized in that the interlock unit is made of the rotating part of the ribbon wind2 of seat belt apparatus, the endless belt that is located at the belt pulley on the banking motion axle of back of seat and transmits rotational force around these rotating parts and belt pulley.
9. the occupant protection system when vehicle according to claim 7 sidewinders; it is characterized in that the interlock unit is can relatively move freely to engage with this ribbon around the ribbon of emitting from the ribbon wind2 of seat belt apparatus and when overturning and move the swivel of the banking motion axle of rotary seat backrest by the coiling of ribbon.
10. the occupant protection system when vehicle according to claim 7 sidewinders; it is characterized in that; the interlock unit be by can be movably forward and backward being directed to the roller of the ribbon wind2 that is disposed at seat cushion the place ahead and when taking place to overturn this roller being constituted to the mobile unit that vehicle front moves in part below the ribbon that disposes on the above-below direction and with ribbon around the back side along back of seat, when overturning, forwards move by roller and the take-up force of ribbon converted to back of seat after go all out.
11. the occupant protection system when each described vehicle sidewinders in the claim 2~10 is characterized in that, back of seat is connected with seat cushion by the leaning device of setting its fore-and-aft direction obliquity arbitrarily.
12. the occupant protection system when each described vehicle sidewinders in the claim 1~11; it is characterized in that; vehicle sidewinders detecting unit and has the angular velocity sensor of measuring side tilt angle and inclination speed, and the scope that control unit has surpassed threshold value to side tilt angle and inclination speed is judged as overturns.
13. the occupant protection system when each described vehicle sidewinders in the claim 1~11; it is characterized in that; vehicle sidewinders detecting unit except having the angular velocity sensor of measuring side tilt angle and inclination speed; the acceleration pick-up that also has the transverse acceleration of measuring vehicle; measure the seating pressure sensor of the contact pressure distribution of occupant and seat; measure the interior trim pressure sensor of the contact pressure of occupant and vehicle door interior trim; and the head of measuring the occupant respectively moves the occupant's movable sensor that moves with upper body, and control unit is side tilt angle and inclination speed; transverse acceleration; the contact pressure of seat; the contact pressure of vehicle door interior trim; and occupant's amount of movement scope of having surpassed threshold value respectively is judged as and overturns.
14. the occupant protection system when each described vehicle sidewinders in the claim 1~13 is characterized in that, the upper body that above-mentioned control unit detects the occupant moves, and makes above-mentioned occupant restraint cell operation when this upper body has been moved beyond specified amount.
15. the occupant protection system when each described vehicle sidewinders in the claim 11~14 is characterized in that back of seat hypsokinesis unit has:
Seat back plate can make the recede bottom of ground supporting base chair back of back of seat by swivel bearing portion, and combines with the S. A. of leaning device;
Lockout mechanism, the relative rotation of locking seat back plate and back of seat; And
The latch-release unit sidewinders detecting unit to the unlock lock-out state of mechanism of the detection of overturning situation according to vehicle;
After the applying unit of going all out, go all out after back of seat applies along with the latch-release of lockout mechanism.
16. the occupant protection system when each described vehicle sidewinders in the claim 1~15; it is characterized in that; above-mentioned occupant protection system has the seat fallback unit that makes seat retreat specified amount, and control unit makes the work of seat fallback unit according to the detection of overturning situation.
The occupant protection system when 17. vehicle according to claim 16 sidewinders; it is characterized in that the seat fallback unit has and seat cushion can be supported on the seat slide on floor movably and detect the actuator that drives seat cushion when overturning along this guide rail to rear view of vehicle along the vehicle fore-and-aft direction.
18. the occupant protection system when each described vehicle sidewinders in the claim 1~17; it is characterized in that; above-mentioned occupant protection system has the seat cushion decline unit that makes seat cushion decline specified amount, and control unit makes seat cushion decline cell operation according to the detection of overturning situation.
19. the occupant protection system when vehicle according to claim 18 sidewinders is characterized in that, seat cushion decline unit has the seat surface plate with bounce of the seat surface portion that forms seat cushion and make the reclinate actuator of this seat surface plate when detecting overturning.
The occupant protection system when 20. vehicle according to claim 18 sidewinders; it is characterized in that seat cushion decline unit has and is built in gas in the seat cushion, that expand by the gas of filling and encloses bag and discharge the valve member that this gas is enclosed the gas in the bag when overturning detecting.
21. the passenger protection method a when vehicle sidewinders; it is characterized in that; sidewinder the overturning situation that detecting unit detects vehicle by vehicle, by the occupant restraint unit with occupant restraint on seat, and make the back of seat specified amount that recedes by back of seat hypsokinesis unit.
22. the passenger protection method a when vehicle sidewinders; it is characterized in that; sidewinder the overturning situation that detecting unit detects vehicle by vehicle; by the occupant restraint unit with occupant restraint on seat, and on one side by back of seat hypsokinesis unit make back of seat recede specified amount, make seat retreat specified amount by the seat fallback unit on one side.
23. the passenger protection method a when vehicle sidewinders; it is characterized in that; sidewinder the overturning situation that detecting unit detects vehicle by vehicle; by the occupant restraint unit with occupant restraint on seat, and on one side by back of seat hypsokinesis unit make back of seat recede specified amount, make seat cushion decline specified amount by seat cushion decline unit on one side.
24. the passenger protection method a when vehicle sidewinders is characterized in that, sidewinders the overturning situation that detecting unit detects vehicle by vehicle, by the occupant restraint unit with occupant restraint on seat, and make the seat specified amount that recedes by the chair tilting unit.
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JP2005327489 | 2005-11-11 | ||
JP2005327489 | 2005-11-11 | ||
JP2006228872 | 2006-08-25 |
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CN1962318A true CN1962318A (en) | 2007-05-16 |
CN100515833C CN100515833C (en) | 2009-07-22 |
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Application Number | Title | Priority Date | Filing Date |
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CNB2006101386847A Expired - Fee Related CN100515833C (en) | 2005-11-11 | 2006-11-10 | Vehicle passenger restricting device for vehicle rollover condition and passenger protective method |
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