CN102438859A - Vehicle seat - Google Patents

Vehicle seat Download PDF

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Publication number
CN102438859A
CN102438859A CN2010800223141A CN201080022314A CN102438859A CN 102438859 A CN102438859 A CN 102438859A CN 2010800223141 A CN2010800223141 A CN 2010800223141A CN 201080022314 A CN201080022314 A CN 201080022314A CN 102438859 A CN102438859 A CN 102438859A
Authority
CN
China
Prior art keywords
mentioned
seat
propulsive effort
travel
ing rest
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
CN2010800223141A
Other languages
Chinese (zh)
Inventor
增谷英二
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
TS Tech Co Ltd
Original Assignee
TS Tech Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Priority claimed from JP2009124034A external-priority patent/JP2010269719A/en
Priority claimed from JP2009139672A external-priority patent/JP2010285046A/en
Priority claimed from JP2009139369A external-priority patent/JP2010285026A/en
Priority claimed from JP2009139384A external-priority patent/JP2010285029A/en
Priority claimed from JP2009139673A external-priority patent/JP5457728B2/en
Priority claimed from JP2009139670A external-priority patent/JP2010285044A/en
Priority claimed from JP2009139690A external-priority patent/JP5436947B2/en
Priority claimed from JP2009139665A external-priority patent/JP2010285043A/en
Application filed by TS Tech Co Ltd filed Critical TS Tech Co Ltd
Publication of CN102438859A publication Critical patent/CN102438859A/en
Pending legal-status Critical Current

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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60N—SEATS SPECIALLY ADAPTED FOR VEHICLES; VEHICLE PASSENGER ACCOMMODATION NOT OTHERWISE PROVIDED FOR
    • B60N2/00—Seats specially adapted for vehicles; Arrangement or mounting of seats in vehicles
    • B60N2/24—Seats specially adapted for vehicles; Arrangement or mounting of seats in vehicles for particular purposes or particular vehicles
    • B60N2/42—Seats specially adapted for vehicles; Arrangement or mounting of seats in vehicles for particular purposes or particular vehicles the seat constructed to protect the occupant from the effect of abnormal g-forces, e.g. crash or safety seats
    • B60N2/427—Seats or parts thereof displaced during a crash
    • B60N2/42727—Seats or parts thereof displaced during a crash involving substantially rigid displacement
    • B60N2/42754—Seats or parts thereof displaced during a crash involving substantially rigid displacement of the cushion
    • B60N2/42763—Seats or parts thereof displaced during a crash involving substantially rigid displacement of the cushion with anti-submarining systems
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60R—VEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISE PROVIDED FOR
    • B60R22/00—Safety belts or body harnesses in vehicles
    • B60R22/18—Anchoring devices
    • B60R22/195—Anchoring devices with means to tension the belt in an emergency, e.g. means of the through-anchor or splitted reel type
    • B60R22/1952—Transmission of tensioning power by cable; Return motion locking means therefor
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60R—VEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISE PROVIDED FOR
    • B60R22/00—Safety belts or body harnesses in vehicles
    • B60R22/18—Anchoring devices
    • B60R22/195—Anchoring devices with means to tension the belt in an emergency, e.g. means of the through-anchor or splitted reel type
    • B60R22/1954—Anchoring devices with means to tension the belt in an emergency, e.g. means of the through-anchor or splitted reel type characterised by fluid actuators, e.g. pyrotechnic gas generators
    • B60R22/1955—Linear actuators
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60R—VEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISE PROVIDED FOR
    • B60R22/00—Safety belts or body harnesses in vehicles
    • B60R22/18—Anchoring devices
    • B60R22/26—Anchoring devices secured to the seat
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60R—VEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISE PROVIDED FOR
    • B60R22/00—Safety belts or body harnesses in vehicles
    • B60R22/34—Belt retractors, e.g. reels
    • B60R22/46—Reels with means to tension the belt in an emergency by forced winding up
    • B60R22/4628—Reels with means to tension the belt in an emergency by forced winding up characterised by fluid actuators, e.g. pyrotechnic gas generators
    • B60R22/4633—Linear actuators, e.g. comprising a piston moving along reel axis and rotating along its own axis

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Aviation & Aerospace Engineering (AREA)
  • Transportation (AREA)
  • Seats For Vehicles (AREA)

Abstract

A vehicle seat is configured in such a manner that, when a collision from the front relative to the occupant occurs, the seat surface of the seating section moves. The vehicle seat is provided with: a base frame which is supported on the seating section at a position thereof which is on the vehicle body side; a movable frame (40) which is movable relative to the base frame; at least one driving force generating member (second gas cylinder (61)) which is activated in a frontal collision; and one or more power transmitting members for transmitting the driving force of the driving force generating member. At least one of said one or more driving force generating members is disposed so as to face the movable frame (40), and the movable frame (40) has a recess (42A) provided at the portion thereof which faces the driving force generating member.

Description

Seat for vehicle
Technical field
The present invention relates to seat for vehicle such as a kind of auto use chair, relate in particular to a kind of structure for being benchmark, the seat for vehicle that seat areal of support when head-on crash takes place (seat surface, down with) can move with occupant.
Background technology
The known following a kind of auto use chair of people: during head-on crashs such as vehicle generation central collision, the seat areal of support of taking portion rearward moves.For example in patent documentation 1, disclose following a kind of auto use chair: it rearward moves the seat areal of support with the axle center towards the tightening device (cylinder) of left and right directions.
In addition, in patent documentation 1 and 2, disclose following a kind of auto use chair: during vehicle generation head-on crash, tighten up safety strap with tightening device immediately.
Patent documentation 1: Japanese patent of invention open communique spy open 2008-213546 number
Patent documentation 2: Japanese patent of invention open communique spy open 2008-195359 number
But in order when head-on crash takes place, to move the seat areal of support or to tighten up safety strap, cylinder (propulsive effort generation part) need be set, can bring difficulty when considering from the aspect, space.
Summary of the invention
In view of this, the object of the present invention is to provide a kind of seat for vehicle, when head-on crash took place, the propulsive effort generation part that is used for moving the seat areal of support or tightens up safety strap was provided with comparatively compactly.
To achieve these goals, technical scheme 1 described seat for vehicle of the present invention, its structure is for being benchmark with occupant; The seat areal of support of taking portion when head-on crash takes place can move; It has: base rack, and it is a part of taking portion, is bearing in vehicle body one side of the vehicle; Travel(l)ing rest, it can move with respect to above-mentioned base rack; Propulsive effort generation part, its quantity are at least one, its work when head-on crash takes place; Power transmission member, its quantity is at least one, is used for transmitting the propulsive effort of above-mentioned propulsive effort generation part.In the above-mentioned propulsive effort generation part at least one is arranged to the state in the face of above-mentioned travel(l)ing rest, and the portion that faces in the face of above-mentioned propulsive effort generation part of above-mentioned travel(l)ing rest has recess or opening.
Preferred above-mentioned propulsive effort generation part comprises the 1st propulsive effort generation part, and above-mentioned power transmission member comprises the 1st power transmission member, and the 1st power transmission member is used for the propulsive effort of above-mentioned the 1st propulsive effort generation part is passed to occupant protection system.
Preferred above-mentioned propulsive effort generation part comprises the 2nd propulsive effort generation part; Above-mentioned power transmission member comprises the 2nd power transmission member; When the propulsive effort of above-mentioned the 2nd propulsive effort generation part being transmitted between above-mentioned base rack and above-mentioned travel(l)ing rest, above-mentioned travel(l)ing rest and above-mentioned base rack are relatively moved with the 2nd power transmission member.
Preferred above-mentioned propulsive effort generation part comprises the 1st propulsive effort generation part and the 2nd propulsive effort generation part; Above-mentioned power transmission member comprises the 1st power transmission member and the 2nd power transfering part; Wherein, The 1st power transmission member is used for the propulsive effort of above-mentioned the 1st propulsive effort generation part is passed to occupant protection system; When using the 2nd power transfering part that the propulsive effort of above-mentioned the 2nd propulsive effort generation part is transmitted between above-mentioned base rack and above-mentioned travel(l)ing rest, above-mentioned travel(l)ing rest and above-mentioned base rack are relatively moved.
When adopting the seat for vehicle of technical scheme 1 said structure; Owing to be arranged to state in the propulsive effort generation part in the face of travel(l)ing rest; The portion that faces in the face of the propulsive effort generation part of travel(l)ing rest has recess or opening; So can avoid making the propulsive effort generation part near travel(l)ing rest under the situation that generation is interfered between travel(l)ing rest and the propulsive effort generation part.Like this, can be provided with the propulsive effort generation part comparatively compact.
On the basis of technique scheme 1; Technical scheme 2 described seat for vehicle of the present invention; Above-mentioned propulsive effort generation part comprises: the 1st propulsive effort generation part; It made contractive action when head-on crash took place, and it is installed on the part that does not move forward and backward when head-on crash takes place, and axis is towards the left and right directions setting; The 2nd propulsive effort generation part, it made contractive action when head-on crash took place, and it is installed on the above-mentioned travel(l)ing rest, and the axis of the 2nd propulsive effort generation part is towards the left and right directions setting.Above-mentioned power transmission member comprises: the 1st connecting strand, and it is used for an end of above-mentioned the 1st propulsive effort generation part is connected with inboard buckle of safety belt with the fixed plate of safety strap respectively with the other end; The 2nd connecting strand, it is used for an end of above-mentioned the 2nd propulsive effort generation part and the other end are connected the position that does not move forward and backward when head-on crash takes place, and this position also is the position that is positioned at the 2nd propulsive effort generation part rear.Above-mentioned the 2nd propulsive effort generation part is arranged on the top of above-mentioned the 1st propulsive effort generation part.
On the effect basis that technique scheme 1 described seat for vehicle is obtained; When adopting said structure; Owing to will be used for moving the 2nd propulsive effort generation part of seat areal of support towards the rear; Be arranged on the top of the 1st propulsive effort generation part that is used for tightening up safety strap when head-on crash takes place, thus the processing of the 1st connecting strand and the 2nd connecting strand become easily, thereby two propulsive effort generation parts can be set compactly.
Preferably in technical scheme 2 described seat for vehicle, above-mentioned the 2nd propulsive effort generation part is arranged on the place ahead of above-mentioned the 1st propulsive effort generation part.
When adopting said structure; Not only utilize the space in the place ahead, top of the portion of taking that the 2nd cylinder is set; And the 1st cylinder that is arranged on the rear of the 2nd cylinder is positioned at relatively low position, so can guarantee to increase the required bigger cushion activity space in the portion of taking, especially its rear.
Preferably adopt following structure at technical scheme 2 described seat for vehicle: when above-mentioned travel(l)ing rest with respect to above-mentioned base rack when move at the rear, upwards lift the front portion of said travel(l)ing rest.
When adopting said structure; When head-on crash takes place when; Because upwards lift the front portion of travel(l)ing rest,, so not only be easy to bring the maintenance occupant with used for vehicle safety so the occupant is difficult to leave the portion of taking; And,, the 1st propulsive effort generation part and the 2nd propulsive effort generation part interfere so being difficult to produce owing to be arranged on the 2nd propulsive effort generation part on the travel(l)ing rest and upwards lift on one side on one side and move towards the rear.Therefore can be provided with the 1st propulsive effort generation part and the 2nd propulsive effort generation part nearer, thereby can be provided with them comparatively compact.
Preferably in technical scheme 2 described seat for vehicle, above-mentioned the 1st propulsive effort generation part and the 2nd propulsive effort generation part have cylinder barrel and piston rod respectively, and each cylinder barrel is near a certain end setting in the left and right sides.
When adopting said structure,, have bigger forced stroke so can not only guarantee piston rod because of each cylinder barrel is arranged to the state near a certain end in the left and right sides, and the amplitude of the vibration of each cylinder barrel that can also reduce to be sling by the 1st connecting strand or the 2nd connecting strand.
On the basis of technique scheme 1, technical scheme 3 described seat for vehicle of the present invention, above-mentioned travel(l)ing rest has: side stand, its be about each one; Disc holder, its through can manufacturing process and about above-mentioned the place ahead of each side stand of one they are coupled together.Above-mentioned propulsive effort generation part is arranged on the above-mentioned travel(l)ing rest.When the propulsive effort of above-mentioned propulsive effort generation part being passed to the part beyond the above-mentioned travel(l)ing rest, this travel(l)ing rest is moved with respect to above-mentioned base rack by above-mentioned power transmission member.Above-mentioned seat for vehicle also has the changes direction end spare that is installed on the above-mentioned side stand, and it is used for changing the action direction of the power of above-mentioned power transmission member.
On the effect basis that technique scheme 1 described seat for vehicle is obtained; When adopting said structure; At each side stand of one about travel(l)ing rest with in the disc holder that can manufacturing is processed; Owing on the stronger side stand of rigidity, changes direction end spare is set, so changes direction end spare is worked reposefully.Therefore, even the bigger propulsive effort that comes the self drive generation part is when power transmission member acts on changes direction end spare, also can change the action direction of power reposefully, thereby can guarantee the mobile stationarity of seat areal of support by changes direction end spare.
Preferably in technical scheme 3 described seat for vehicle, reinforcement feature is set, by its installation portion that connects above-mentioned changes direction end spare and other parts to reinforce this installation portion.
Through such reinforcement feature is set, can firm more changes direction end spare and the relative position of side stand, thus can further improve the mobile stationarity of seat areal of support.
On the basis of technique scheme 1, technical scheme 4 described seat for vehicle of the present invention have: the 1st changes direction end spare, and its setting of dividing right and left is used for changing the action direction of the power of above-mentioned the 1st power transmission member; Reinforcement feature, the above-mentioned changes direction end spare of dividing right and left and being provided with by its connection.
On the effect basis that technique scheme 1 described seat for vehicle is obtained; When adopting said structure; The 1st changes direction end spare that is provided with owing to divide right and left is coupled together by reinforcement feature; So even all directions converting member is pulled to the left and right directions inboard by power transmission member, also can check all directions converting member and produce mobile from assigned position by reinforcement feature.And, owing to can check moving of all directions converting member with above-mentioned reinforcement feature, thus can contain the support generation distortion that is used for supporting changes direction end spare, thus can make the action of tightening up of safety strap become steady.
Preferably in technical scheme 4 described seat for vehicle, above-mentioned the 1st changes direction end spare is arranged in the space of above-mentioned base rack below.
When adopting said structure,, help structure to become compact so can effectively utilize the space because the 1st changes direction end spare is arranged in the space of base rack below.
On the basis of technique scheme 1; Technical scheme 5 described seat for vehicle of the present invention; Above-mentioned travel(l)ing rest has bullport and link; Said bullport extends and is used for guiding moving of said travel(l)ing rest towards fore-and-aft direction along the left and right sides sidewall of said travel(l)ing rest, is connected the left and right sides sidewall of said travel(l)ing rest by said link.The both ends of above-mentioned link be connected above-mentioned bullport above or below.
On the effect basis that technique scheme 1 described seat for vehicle is obtained; When adopting said structure; Since the both ends of link be connected the bullport that extends along fore-and-aft direction above or below; So can form long bullport as much as possible, thereby can guarantee that travel(l)ing rest has enough amount of movements.In addition, compare with the anterior or back-connected structure of bullport, owing to can shorten travel(l)ing rest, thereby produce when moving, can reduce its overhang from the seat at travel(l)ing rest with the both ends of link.
Preferably have installing component at technical scheme 5 described seat for vehicle, it engages with the left and right sides sidewall of above-mentioned base rack respectively, and in the both interspersed above-mentioned bullport of this installing component, and above-mentioned power transmission member also is connected on this installing component.
When adopting said structure; Because the installing component that engages with base rack; Both run through in the bullport of travel(l)ing rest, and power transmission member also is connected on this installing component, so need not on base rack, to be provided with separately position or the parts that are used for connecting power transmission members such as connecting strand.Therefore, the structure of base rack can be simplified, the part number can be reduced again.
Preferably the above-mentioned link at technical scheme 5 described seat for vehicle is warp architecture, the intermediate portion than both ends away from the occupant.
When adopting said structure because link is warp architecture, the intermediate portion than both ends away from the occupant who takes on the seat, so can contain the touching sense that acts on the occupant.
On the basis of technique scheme 1; Technical scheme 6 described seat for vehicle of the present invention; In order the above-mentioned portion of taking to be installed on the vehicle body of the above-mentioned vehicle; Said seat for vehicle has: the mounting support frame, its above-mentioned take portion below be arranged on the left and right sides that this takes portion; Height adjustment is used attaching parts, its quantity be about each one, it not only is connected on the above-mentioned mounting support frame of the left and right sides and can rotates, but also is connected on the above-mentioned base rack and can rotates; Link, each above-mentioned height adjustment of one was used attaching parts about it was used for connecting.Above-mentioned link is arranged on the below of the motion track of above-mentioned travel(l)ing rest.
On the effect basis that technique scheme 1 described seat for vehicle is obtained; When adopting said structure; Because each height adjustment of one is with the link of attaching parts about will being used for connecting; Said link is arranged on the below of the motion track of travel(l)ing rest, so can not hinder moving of travel(l)ing rest.Therefore, travel(l)ing rest (taking the seat areal of support of portion) can move swimmingly.
Preferably have: the 1st and the 2nd propulsive effort generation part, its work when head-on crash takes place at technical scheme 6 described seat for vehicle; The 1st power transmission member passes to safety strap to tighten up this safety strap by its propulsive effort with above-mentioned the 1st propulsive effort generation part; The 1st changes direction end spare, the left and right sides that it is arranged on above-mentioned the 1st propulsive effort generation part is used for changing the action direction of the power of above-mentioned the 1st power transmission member; The 2nd power transmission member when transmitting between above-mentioned base rack and above-mentioned travel(l)ing rest with its propulsive effort with above-mentioned the 2nd propulsive effort generation part, can make above-mentioned travel(l)ing rest and above-mentioned base rack relatively move; The 2nd changes direction end spare, the left and right sides that it is arranged on above-mentioned the 2nd propulsive effort generation part is used for changing the action direction of the power of above-mentioned the 2nd power transmission member.On left and right directions, above-mentioned the 2nd changes direction end spare is arranged on the inboard of above-mentioned the 1st changes direction end spare.
When adopting said structure, because of the 2nd changes direction end spare is arranged on the inboard of the 1st changes direction end spare, thus can be provided with the 2nd changes direction end spare comparatively compact, thus can will be used for the device of mobile seat areal of support (travel(l)ing rest) makes less.Therefore, can the used for vehicle safety strap be made less.
On the basis of technique scheme 1; Technical scheme 7 described seat for vehicle of the present invention have seat areal of support position regulating member; The one of which end is connected on the above-mentioned travel(l)ing rest and can rotates; And the other end is connected on the above-mentioned base rack and can rotates, and when above-mentioned travel(l)ing rest moved with respect to above-mentioned base rack, this seat areal of support position regulating member rotated.This seat areal of support position regulating member is arranged between the sidewall of sidewall and above-mentioned travel(l)ing rest of above-mentioned base rack.
On the effect basis that technique scheme 1 described seat for vehicle is obtained; When adopting said structure; Utilize the space between the sidewall of sidewall and travel(l)ing rest of base rack that seat areal of support position regulating member is set; Thereby can be provided with them comparatively compact; And seat areal of support position regulating member also can't expose outside because of above-mentioned two sidewalls, so seat areal of support position regulating member is difficult to and Chain cushion produces and interferes, thereby seat areal of support position regulating member can be worked swimmingly.
Preferably at the above-mentioned power transmission member of technical scheme 7 described seat for vehicle, between the sidewall of the sidewall of above-mentioned base rack and above-mentioned travel(l)ing rest, extend and be provided with along fore-and-aft direction.
When adopting said structure; Because the major part of power transmission member is received between the sidewall of the sidewall that is contained in travel(l)ing rest and base rack; So can not only be provided with comparatively compactly; And power transmission member also is difficult to because of the existence of two sidewalls and Chain cushion produces and interferes, thereby power transmission member can be worked swimmingly.
Preferably at the sidewall of the above-mentioned travel(l)ing rest of technical scheme 7 described seat for vehicle, the part that itself and above-mentioned power transmission member or above-mentioned seat areal of support position regulating member are faced has rising wood and lower edge and the spill that forms.
When adopting said structure; Not only the cross section of the sidewall of travel(l)ing rest forms the U font and has stronger rigidity; And power transmission member or seat areal of support position regulating member also face with the recess that forms the U shaped sections, thus can with power transmission member and seat areal of support position regulating member be provided with compactness comparatively.
Preferably at the sidewall of the above-mentioned base rack of technical scheme 7 described seat for vehicle, the part that itself and above-mentioned power transmission member or above-mentioned seat areal of support position regulating member are faced has rising wood and lower edge and the spill that forms.
When adopting said structure; Not only the cross section of the sidewall of base rack forms the U font and has stronger rigidity; And power transmission member or seat areal of support position regulating member also face with the recess that forms the U shaped sections, thus can with power transmission member and seat areal of support position regulating member be provided with compactness comparatively.
On the basis of technique scheme 1, technical scheme 8 described seat for vehicle of the present invention, above-mentioned occupant protection system is the safety strap with following structure: shoulder hamess, its be used for retraining ride in the occupant on the seat shoulder to waist; Pelvic restraint, it is used for retraining above-mentioned occupant's waist.Above-mentioned the 1st propulsive effort generation part is for imposing the pinch waist device of tightening force to pelvic restraint.Above-mentioned used for vehicle safety strap also has: the shoulder tightening device imposes tightening force by it to above-mentioned shoulder hamess; Impact detection mechanism, whether it is used for detecting vehicle and bumps; Control setup, when above-mentioned impact detection mechanism detects when bumping, said control setup is respectively to above-mentioned shoulder tightening device and the output of the above-mentioned pinch waist device signal of starting working; Output time is confirmed portion; It is arranged in the above-mentioned control setup; Tighten up the tightening force of above-mentioned pelvic restraint according to the tightening force that tightens up above-mentioned shoulder hamess by above-mentioned shoulder tightening device with by above-mentioned pinch waist device, confirm the output time of the above-mentioned signal of starting working.Above-mentioned shoulder tightening device and above-mentioned pinch waist device are confirmed the above-mentioned signal of starting working that portion confirms according to above-mentioned output time, impose tightening force to above-mentioned shoulder hamess and above-mentioned pelvic restraint respectively.
On the effect basis that technique scheme 1 described seat for vehicle is obtained; When adopting said structure; Owing to tighten up the different of performance according to shoulder tightening device and pinch waist device; It is different that tightening up of shoulder hamess and pelvic restraint constantly occurred, so during collision happens, can pass through shoulder hamess and pelvic restraint well with occupant restraint on the seat.
In addition, at technique scheme 1 described seat for vehicle, above-mentioned occupant protection system is the safety strap with following structure: shoulder hamess, its be used for retraining ride in the occupant on the seat shoulder to waist; Pelvic restraint, it is used for retraining above-mentioned occupant's waist.Above-mentioned the 1st propulsive effort generation part is for imposing the pinch waist device of tightening force to pelvic restraint.Above-mentioned used for vehicle safety strap also has: the shoulder tightening device imposes tightening force by it to above-mentioned shoulder hamess; Impact detection mechanism, whether it is used for detecting vehicle and bumps; Control setup, when above-mentioned impact detection mechanism detects when bumping, said control setup is respectively to above-mentioned shoulder tightening device and the output of the above-mentioned pinch waist device signal of starting working.Above-mentioned shoulder tightening device imposes tightening force according to the above-mentioned signal of starting working to above-mentioned shoulder hamess.After above-mentioned shoulder tightening device was started working, above-mentioned pinch waist device imposed tightening force according to the above-mentioned signal of starting working to above-mentioned pelvic restraint.
When adopting said structure, when impact detection mechanism detects collision happens, after beginning to tighten up, begin to make the pinch waist device to start working again by the shoulder tightening device.Therefore, on the effect basis that technique scheme 1 described seat for vehicle is obtained, owing to can increase the amount of tightening up of shoulder hamess through the shoulder tightening device, so can shorten the real work length of shoulder hamess.Therefore, during collision happens, can improve the constrained force that imposes on occupant's upper part of the body through shoulder hamess.In addition, because the pinch waist device is just started working after the shoulder tightening device tightens up shoulder hamess, so can reduce its amount of tightening up.Therefore, owing to can improve the tightening force that acts on pelvic restraint by the pinch waist device, so during collision happens, can improve the constrained force that imposes on occupant's waist through pelvic restraint.
Like this, when adopting the described seat for vehicle of technical scheme of the present invention 8, can utilize simple structure, the gap of the shoulder hamess that is produced when eliminating collision happens fast (slack), thus can be reliably on the seat with occupant restraint.
Preferably at the above-mentioned occupant protection system of technical scheme 8 described seat for vehicle, also have installing condition testing agency, it is used for detecting above-mentioned shoulder hamess and above-mentioned pelvic restraint ties up to above-mentioned occupant state on one's body.According to detected above-mentioned shoulder hamess of this installing condition testing agency and above-mentioned pelvic restraint installing condition, confirm the moment that above-mentioned pinch waist device is started working by above-mentioned control setup.
During the employing said structure, compare with the situation of the thin clothes of dress, when wearing thicker clothes as if the occupant, set longlyer the delay time that can the pinch waist device started working.Therefore, can be according to the occupant's shoulder hamess on one's body and the installing condition of pelvic restraint, confirm delay time that the pinch waist device is started working, so during collision happens, can be further reliably on the seat with occupant restraint.
Description of drawings
Fig. 1 is the block diagram of the seat support of the whole auto use chair of expression.
Fig. 2 is the exploded perspective view of the portion of taking of expression seat support.
Fig. 3 is that expression is used for the position relation of rear link connection pipe and travel(l)ing rest and the scheme drawing of height adjustment mechanism are described, when (a) expression reduces seat among Fig. 3, when (b) representes the rising seat among Fig. 3.
Fig. 4 is the section-drawing that expression is dissectd along the cutting line Z-Z among Fig. 1.
Fig. 5 is the figure when representing from the beneath travel(l)ing rest.
Fig. 6 is expression from forward observation connecting rod connection pipe and the seat figure during with cylinder.
Fig. 7 is the birds-eye view that expression is used for explaining the position relation of slide block, base rack and travel(l)ing rest under the common state.
Fig. 8 is the lateral plan that expression is used for explaining the position relation of slide block, base rack and travel(l)ing rest under the common state.
Fig. 9 is that expression is used for explaining the birds-eye view that the position of back state slide block, base rack and travel(l)ing rest down concerns of starting working.
Figure 10 is that expression is used for explaining the lateral plan that the position of back state slide block, base rack and travel(l)ing rest down concerns of starting working.
(a) is the sectional side view of expression travel(l)ing rest among Figure 11, and (b) is the section-drawing that expression is dissectd along the cutting line X-X of (a) among Figure 11 among Figure 11.
Figure 12 is the section-drawing that expression is dissectd along the cutting line Y-Y among Fig. 1.
(a) is the birds-eye view of the position relation of expression pulley, reinforcing pipe, the 1st cylinder and slide block among Figure 13, and (b) is the amplification stereogram of expression bearing support surrounding structure among Figure 13.
Figure 14 is the figure of expression when observing base rack and travel(l)ing rest from the rear.
Figure 15 is the block diagram of the state of expression when end and the travel(l)ing rest of pin and base rack, rear link, the 2nd connecting strand are engaged.
Figure 16 is the birds-eye view of the state of expression when end and the travel(l)ing rest of pin and base rack, rear link, the 2nd connecting strand are engaged.
Figure 17 is that expression is used for explaining the birds-eye view situation that is provided with, that cut off the part of the portion of taking that lifts with connecting rod.
Figure 18 is that expression is with the reverse modified example that is provided with about the 1st cylinder.
Figure 19 is the section-drawing of the travel(l)ing rest in the expression modified example.
Figure 20 is the block diagram that expression has the auto use chair of the passenger restraint system in the present invention's the 2nd embodiment.
Figure 21 is the lateral plan of expression shoulder tightening device.
Figure 22 is the front view of expression shoulder tightening device.
Figure 23 is the section-drawing of expression pinch waist device.
Figure 24 is the section-drawing of the state before expression pinch waist device is started working.
Figure 25 is the section-drawing of the state after the pinch waist device among expression Figure 24 is started working.
Figure 26 is the section-drawing of other examples of expression pinch waist device.
Figure 27 is the amplification stereogram at main position of the cable guiding piece of expression pinch waist device.
Figure 28 is the figure of the motion flow of expression passenger restraint system.
Figure 29 is that the pinch waist device of roughly representing to have in the 1st modified example of the 2nd embodiment moves the birds-eye view with the auto use chair of pinch waist device with the portion of taking.
Figure 30 is the lateral plan of expression Figure 29.
The block diagram that Figure 31 is expression when rear view of vehicle is observed the portion of taking and moved with pinch waist device and seat support.
The block diagram that Figure 32 is expression when vehicle front is observed the portion of taking and moved with pinch waist device and seat support.
Figure 33 is the lateral plan of the state before the expression seat support moves.
Figure 34 is the lateral plan of the state after the expression seat support moves.
Figure 35 is the amount of tightening up of expression pinch waist device effect pelvic restraint down during collision happens, and the shoulder tightening device start working after, the chart of the relation between the delay time when the pinch waist device is worked.
Figure 36 is the block diagram of auto use chair of passenger restraint system of the difference of the tightening force of expression with expression shoulder tightening device and pinch waist device.
Figure 37 is the block diagram of auto use chair of passenger restraint system of the difference of the tightening force of expression with expression shoulder tightening device and pinch waist device.
The specific embodiment
< the 1st embodiment >
The 1st embodiment of the present invention is described with reference to the accompanying drawings.
[integral structure]
As the auto use chair of an example of seat for vehicle of the present invention, its structure is: in the outside of seat support shown in Figure 11, cover the cushion of being processed by isocyanurate foam etc. and form.Seat support 1 has squab bracket 2 and takes portion's support 3.In addition, in the present invention, all around, to go up inferior be benchmark with the occupant who takes on the seat all.
As shown in Figure 2, take portion's support 3 and mainly have: sliding-rail sliding device 10, it is used for the portion of taking is installed in vehicle body (example of the vehicle body of the vehicle) as an example of mounting support frame; Height adjustment mechanism 20, it is used for adjusting the height of seat areal of support; Base rack; Travel(l)ing rest 40; Tightening device 50, it is used for tightening up safety strap as an example that with occupant is occupant protection system benchmark, when head-on crash takes place; Seat areal of support mobile device 60 when head-on crash takes place, moves travel(l)ing rest 40 by it towards the rear.The structure of travel(l)ing rest 40 is: when head-on crash took place, it can move towards the rear with respect to base rack 30, will be called common state because of the state of this head-on crash before working, and the state after will starting working became the back state of starting working.Below, if there is not special qualification, all be the structure under the common state of explanation.
In addition, in this embodiment, the portion of taking mainly has base rack 30 and travel(l)ing rest 40.
Sliding-rail sliding device 10 mainly has slide rail 11 and slide block 15.Slide rail 11 have along fore-and-aft direction extend long shape, by at intervals laterally arranging about two identical parts.Each slide rail 11 is fixed on the body platform (not shown) as an example of body platform through anterior bearing support 12 and rear support frame 13.
Slide block 15 have along fore-and-aft direction extend long shape, it is arranged to pair of right and left and corresponding to the slide rail 11 of pair of right and left, this slide block 15 can slide with respect to slide rail 11.Slide block 15 is bearing in base rack 30 on the vehicle body via height adjustment mechanism 20.
That is, base rack 30 is bearing in vehicle body one side of vehicle through height adjustment mechanism 20 and sliding-rail sliding device 10.
Height adjustment mechanism 20 has as the front link 21 and rear link 23 of height adjustment with an example of attaching parts; Their lower end 21A, 23A are connected on the slide block 15 and can rotate; Their upper end 21B, 23B are connected on the base rack 30 and can rotate; Like this, through adopting four-bar linkage, base rack 30 is moved up and down with respect to slide block 15.
Specifically, front link about 21 is respectively established one, and their lower end 21A is bearing on the metal piece 91 of the front end that is arranged at each slide block 15 respectively and can rotates, and is connected on each slide block 15 like this and can rotates.About each front link 21 of one couple together through anterior connection pipe 22 near the position therebetween as an example of connecting rod link.Therefore, about each front link 21 of one, both rotate simultaneously.
The upper end 21B of front link 21 with after the knob 27 that is arranged on the base rack 30 stated coaxial, and be bearing on the knob 27 and can rotate through pin 92 (only illustrating one-sided), like this, this front link 21 is connected on the base rack 30 and can rotates.
Position after the upper end 21B of each front link 21 is positioned at and leans on than lower end 21A, thus be arranged to the state of hypsokinesis.
Front link connection pipe 22 is case of bending, accounts for its pars intermedia 22A that always is about 7 one-tenth under common state, is positioned at the below of both ends 22B.
Identical with front link 21, rear link 23 is respectively established one about also being, their lower end 23A is bearing on the slide block 15 and can rotates through metal piece 93 respectively, is connected on the slide block 15 like this and can rotates.Their upper end 23B with after state be fastened on the base rack 30 and the pin 94 that can rotate (example of installing component) engages, be connected on the base rack 30 like this and can rotate.In addition, identical with front link 21, the position after the upper end 23B of rear link 23 also is positioned at and leans on than lower end 23A, thus be arranged to the state of hypsokinesis.
About each rear link 23 of one couple together through rear link connection pipe 24 near the position therebetween as an example of link.Therefore, about each rear link 23 of one, both rotate simultaneously.
Rear link connection pipe 24 is arranged on the below of the motion track of travel(l)ing rest 40 from common state to the back state of starting working.Therefore, produce interference owing to can prevent rear link connection pipe 24 and the travel(l)ing rest that is moving 40, so can move travel(l)ing rest 40 (seat areal of support) swimmingly.In addition, generally, rear link connection pipe 24 be arranged to travel(l)ing rest 40 about the state (with reference to Fig. 3,17) that intersects of each side stand 41 of one, and pass the below of each side stand 41.Therefore, about travel(l)ing rest 40 between each side stand 41 of one, can guarantee that enough Chain cushions or seat spring 81 produce the space of flexure deformations, so can contain the touching sense that acts on the occupant who takes on the seat.In this embodiment; Because rear link connection pipe 24 is case of bending; Account for its always be about 7 one-tenth and in the face of the pars intermedia 24A of seat spring 81 under normal conditions, be positioned at the position after leaning on time and lean on than both ends 24B, so can contain the touching sense that acts on the occupant.
The upper end 23B of rear link 23 and pin 94 are fastened togather and can not rotate.And, pin 94 be arranged on base rack 30 on engage and can not rotate to the lower end of the connecting rod 25 of top extension.
Specifically; For example, the part that engages with rear link 23 and connecting rod 25 of pin 94, its face of cylinder is machined away a part abreast; On rear link 23 and connecting rod 25, be formed with connecting hole respectively, all almost the processed snap portions of falling with pin 94 is identical for its shape size.And the pin 94 that makes formation like this is during with each connecting hole engaging, and pin 94 can not rotate with rear link 23 and connecting rod 25.Therefore, the relative angle between rear link 23 and the connecting rod 25 is fixed up by pin 94.
Also have, shown in (b) among (a), Fig. 3 among Fig. 3, the upper end of connecting rod 25 is connected with the operator link 26 that extends towards the place ahead and can rotates, and operator link 26 is connected on the quadrant gear 28 and can rotates, and this quadrant gear 28 rotates with base rack 30.Base rack 30 is provided with and is used for the knob 27 of arm revolving gear, the gear on the knob 27 and quadrant gear 28 engagements.Therefore, during turning knob 27, this rotation can pass to quadrant gear 28 and it is rotated, and the rotation of this quadrant gear 28 passes to connecting rod 25 and moves it through operator link 26.Because the relative angle between connecting rod 25 and the rear link 23 is fixed up by pin 94, so the mobile meeting of connecting rod 25 becomes the rotation of rear link 23.Owing to constituted four-bar linkage by rear link 23, base rack 30 and front link 21, thus rear link 23 when lift in the place ahead, front link 21 is lifted towards the place ahead too, base rack 30 can move towards the top.Like this, during through forward and reverse turning knob 27, can adjust the height of base rack 30 up and down.
As shown in Figure 2, base rack 30 mainly has the side stand 31 and the connection pipe 32 that is connected left and right sides support 31 at front end that forms its left and right sides sidewall.
About each side stand 31 of one respectively have: in the face of the 31A of portion, the state that they are arranged to face one another, the left and right sides support 41 of travel(l)ing rest 40 is a pair of in the face of between the 31A of portion at this; Installation portion 31B, they in the face of the rear end of portion 31 and towards above outstanding.Shown in figure 14, when observing from the rear, in the face of the 31A of portion is case of bending, it staggers to the outside of installation portion 31B.Therefore, can not only guarantee to load the space of travel(l)ing rest 40, can also avoid travel(l)ing rest 40 when move at the rear and this travel(l)ing rest 40 produce and interfere.
Return Fig. 2, (also can with reference to Figure 15,16) gone up and can be rotated to each side stand 31 of one about pin 94 is fastened on (in the face of the 31A of portion).In this embodiment, pin 94 forms the hexagonal bar iron shape.
The front end face of the side stand 31 on the right side (in the face of the 31A of portion) is provided with the knob 27 that can rotate.As the bottom (the other end) of lifting of an example of seat areal of support position regulating member with connecting rod 43, via pin 92 be bearing in the coaxial position of knob 27 about on each side stand 31 of one and can rotate.Travel(l)ing rest 40 is when move at the rear; Lift and use connecting rod 43 for being used for lifting the attaching parts of travel(l)ing rest 40; Under normal conditions; This lifts with connecting rod 43 and approximately leans forward horizontal by 45 ° of angles, and its upper end (end) is connected on the side stand 41 of travel(l)ing rest 40 and can rotates via pin 95 (with reference to Figure 17).
The rearward end of each side stand 31 of one about the pin 94 that is the hexagonal bar iron shape is fastened on.
Squab bracket 2 (with reference to Fig. 1) is installed, in this embodiment, because installation portion 31B's is separated between left and right less than facing the separated between left and right of the 31A of portion, so can do base rack 30 or squab bracket 2 compacter on installation portion 31B.
Travel(l)ing rest 40 be arranged on base rack 30 about between each side stand 31 of one, it has: side stand 41 forms left and right sides sidewall by it; Disc holder 42, it is the cross member of frame as an example of preceding part connecting part, is used for connecting the front end of left and right sides support 41; Connection pipe 44, it is used for connecting the rear end of left and right sides support 41 as an example of back part connecting part; Reinforcing pipe 45 as an example of reinforcement feature; Adapter plate 46 (with reference to Fig. 5).
Rearward end at each side stand 41 is formed with the bullport 41A that extends along fore-and-aft direction, and above-mentioned pin 94 interts in this bullport 41A.Therefore, when travel(l)ing rest 40 moved with respect to base rack 30 towards the rear, the rearward end of travel(l)ing rest 40 can move along the bearing of trend of this bullport 41.
In this embodiment, because travel(l)ing rest 40 is arranged on the inboard of base rack 30, thus with respect to base rack 30, can do travel(l)ing rest 40 littler, lighter, thus travel(l)ing rest 40 is moved swimmingly.
As shown in Figure 4, disc holder 42 is to carry out punch process by metal sheet to form, and when forwards seeing from its beneath and from the rear, is formed with recessed recess 42A and outstanding projection 42B successively.And on the upper surface of recess 42A place part, being formed with hook portion 42H, it processes for the part to metal sheet, and its top is towards the place ahead.Between the hook portion 42H and connection pipe 44 that are formed on the disc holder 42, be equipped with seat spring 81 as an example of spring members.The 81A of portion foremost of seat spring 81 be positioned at than after the 61T of the top portion of the 2nd cylinder 61 the stated position after also leaning on.
As shown in Figure 2, connection pipe 44 is case of bending, account for its pars intermedia 44A that always is about 7 one-tenth than both ends 44B away from the occupant.Specifically, the former is positioned at the latter's below.Each both ends 44B with directly over the bullport 41A of the rearward end of side stand 41 towards above outstanding protrusion 41B be connected.That is, connection pipe 44 be positioned at bullport 41A directly over.Therefore, bullport 41A can be positioned at the rear as much as possible, thereby can guarantee that travel(l)ing rest 40 has the enough amount of movements that move towards the rear.In addition, compare with the anterior or back-connected structure of both ends 44B and bullport 41A owing to can shorten the length of travel(l)ing rest 40 on fore-and-aft direction, thereby at travel(l)ing rest 40 when move at the rear, can reduce its overhang from the seat.
In addition, can not feel to have the touching sense, need the pars intermedia 44A of connection pipe 44 be arranged on the lower position of regulation for making the occupant; But in this embodiment; Because connection pipe 44 is case of bending, its both ends 44B is positioned at the top of pars intermedia 44A, so can contain the touching sense that brings the occupant; Can also be about the position directly over the bullport 41A connects two side stands 41, thereby can guarantee the rigidity of travel(l)ing rest 40.
Also have, the both ends 44B of connection pipe 44 is connected the protrusion 41B that is arranged at bullport 41A top when going up, can improve the rigidity around the bullport 41, can also improve the installation rigidity of connection pipe 44.In addition, compare with the structure that under bullport 41A, is connected connection pipe 44, the former can contain that travel(l)ing rest 40 size on short transverse becomes big, thereby can contain that whole auto use chair size on short transverse becomes big.
In addition; In this embodiment, because bullport 41A is formed on the rearward end of side stand 41, connection pipe 44 is connected the top of this bullport 41A; So under the state that travel(l)ing rest 40 produces before moving, can guarantee that the occupant's on the back seat underfooting has enough spaces.
As shown in Figure 5, be connected the pulley 63 of dividing right and left and being provided with reinforcing pipe 45 by adapter plate 46.Reinforcing pipe 45 below disc holder 42 from the left side or the right side extend towards opposite side.Reinforcing pipe 45 is case of bending, accounts for its pars intermedia 45A that always is about 7 one-tenth and extends as the crow flies towards left and right directions, and both ends 45B tilts along left and right directions towards the rear side of the direction in contrast to the 2nd cylinder place slightly.Because above-mentioned reinforcing pipe 45 is arranged to get on the whole the state among the recess 42A of disc holder 42, so can improve the rigidity of travel(l)ing rest 40, also receives extremely compactly and is contained in wherein (with reference to Fig. 4).
Adapter plate 46 is by processing than disc holder 42 and side stand 41 thick steel plates, and incision has the otch corresponding to the both ends 45B of reinforcing pipe 45 it on, reinforcement of weld pipe 45 again after both ends 45B is embedded in this notch portion.Above-mentioned adapter plate 46 be arranged on the bight that is acute angle of the both ends 45B that is used for forming side stand 41 and reinforcing pipe 45 and from this bight around in the scope at the rear of both ends 45B.In addition, adapter plate 46 is welded on the lower surface 41C of side stand 41.Therefore, reinforcing pipe 45 couples together left and right sides support 41 through adapter plate 46.
In addition, adapter plate 46 is not connected with the pars intermedia 45A of reinforcing pipe 45, and with respect to pars intermedia 45A, 46 of adapter plates are connected with the both ends 45B that is case of bending.
As shown in Figure 6, what be provided with about being lifts on leading section with connecting rod 43 is bearing in travel(l)ing rest 40 via pin 95 the left and right sides support 41 and can rotate, and rearward end is bearing on the left and right sides support 31 of base rack 30 and can rotates via pin 92.On left and right directions, respectively lift with connecting rod 43 and be arranged between the side stand 31 of side stand 41 and base rack 30 of travel(l)ing rest 40.That is, effectively utilize the space between side stand 41 and the side stand 31 and be provided with comparatively compactly.In addition; Owing to lift with connecting rod 43 and be arranged between side stand 41 and the side stand 31; So its part of from seat vehicle frame 1, exposing is less, thereby can contain that itself and the cushion or the surface material that cover on the seat vehicle frame 1 produce interference, and then it is worked swimmingly.
Pulley 63 is described below and is lifted installation rigidity with connecting rod 43.Shown in (a) among Figure 11, pulley 63 is fixed on the side stand 41 of travel(l)ing rest 40 through adapter plate 46.Shown in figure 12, the cross section of side stand 41 roughly is Japanese katakana " コ " font, and it has: the 41R of vertical portion, and it extends along the vertical direction; Flange 41P, its from the upper end of the 41R of vertical portion from stretching out laterally; Flange 41Q, its from the lower end of the 41R of vertical portion from stretching out laterally.Therefore, than disc holder 42, side stand 41 has stronger rigidity, and pulley 63 has stronger installation rigidity.
Lift with connecting rod 43 and be connected on the connecting rod installation portion 43A of the 41R of vertical portion, it is (side direction) convex camber toward the outer side above pulley 63.All be installed on the side stand 41 that rigidity is improved, owing to lift so they have stronger installation rigidity with connecting rod 43 and pulley 63.
In addition, shown in (b) among (a), Figure 11 among Figure 11,,, adopt welding method to be fixed with reinforced plate 65 corresponding to the position of the part of the connecting rod installation portion 43A bottom of the 41R of the vertical portion recess 41S recessed towards the inboard at the outer surface of the 41R of vertical portion.The lower end of reinforced plate 65 is connected on the flange 41Q as the part of the installation portion of pulley 63, and the upper end is connected the upper end of the recess 41S of the 41R of vertical portion.Therefore, constitute closed section with recess 41S by reinforced plate 65, therefore, stronger as the rigidity of the flange 41Q of the part of installation portion.In addition; The centre of upper limb is recessed state to reinforced plate 65 corresponding to convex camber around the connecting rod installation portion 43A; So the convex camber of side stand 41 and reinforced plate 65 ability seamless links contain that so not only the size of travel(l)ing rest 40 becomes big, can also improve the rigidity of connecting rod installation portion 43A.
Also have, be cross over the upper surface of adapter plate 46 from the surface of the inboard of recess 41S, adopt welding method to be fixed with the reinforced rib of processing by thicker steel plate 66.Therefore, the angle of adapter plate 46 and the 41R of vertical portion is able to fix, and the installation portion of pulley 63 and connecting rod installation portion 43A have very strong rigidity.
In addition and since about two adapter plates 46 couple together (with reference to Fig. 1) by reinforcing pipe 45, also can make adapter plate 46 and pulley installation portion have stronger rigidity thus.
Like this, be installed on the connecting rod installation portion 43A owing to lift, so have very strong installation rigidity with connecting rod 43.Wherein, connecting rod installation portion 43A is the convex camber of side stand 41, and is to obtain the part that reinforced plate 65, reinforced rib 66, adapter plate 46 and reinforcing pipe 45 are reinforced.
As stated, the rigidity of side stand 41 is better than the rigidity of disc holder, and in this embodiment, the thickness of side stand 41 is processed by the stronger material of rigidity greater than the thickness of disc holder 42 and the former.Especially constitute the side stand 41 of travel(l)ing rest 40, it is to constitute in the part of travel(l)ing rest 40 the byest force that its rigidity is configured to, and has stronger installation rigidity so can guarantee pulley 63 with lifting with connecting rod 43.
In addition, because pulley 63 is installed on the flange 41Q side stand 41 that is used for constituting travel(l)ing rest 40, that extend along horizontal direction, so the stability after it is installed is also better.Also have, compare, because side stand 41 is not vulnerable to the influence of cushion shape, so also be easy to guarantee to be used for installing the planar portions of pulley 63 with disc holder 42.
In addition, because the center of turn of pulley 63 is set to mounting center position than connecting rod installation portion 43A near the place ahead, so be easy to the amount of movement of guaranteeing that travel(l)ing rest 40 moves towards the rear.Also have, connecting rod installation portion 43A also can be arranged on identical position with pulley 63 on fore-and-aft direction.
As shown in Figure 2, tightening device 50 has: the 1st cylinder 51, and it is an example of the 1st propulsive effort generation part; The 1st connecting strand 52, its quantity are two and are an example of the 1st power transmission member; Pulley 53, its quantity are two and are an example of the 1st changes direction end spare; Reinforcing pipe 54, it is an example of reinforcement feature; Pulley 55, its quantity are two.
Identical with tightening device in the patent documentation 1, the 1st cylinder has: cylinder barrel 51A; Piston (not shown), it moves in cylinder barrel 51A; Piston rod 51B, it is projected into the outside of cylinder barrel 51A from piston along the axial direction of cylinder barrel 51A; Gas generator 51C (with reference to Fig. 4).The axis of the 1st cylinder 51 is towards left and right directions, be arranged on the front end of seat spring 81 the below (under) (with reference to Fig. 4).Shown in long and short dash line among Fig. 4, the occupant rides in portion's of taking (seat) last time, because the major part of its load acts on the rear end of seat spring 81 (seat areal of support), so the flexure deformation of the rear end of seat spring 81 is bigger, the flexure deformation of front end is less.Therefore, when the 1st cylinder 51 is arranged on the less front end of the flexure deformation in the space under the seat spring 81, can effectively utilizes the space and be provided with the 1st cylinder comparatively compact.In addition,, interfere, so can not bring the touching sense to the occupant owing to can avoid itself and the 1st cylinder to produce even seat spring 81 produces flexure deformation.Also have, the front end of so-called seat spring is meant the forward front side of ratio pars intermedia of seat spring 81.
Be connected with not shown acceleration pick-up on the gas generator 51C; The deceleration/decel that detects vehicle when acceleration pick-up is when regulation numerical value is above; Because the electric signal input is arranged, so gas offers in the cylinder barrel 51A from gas generator 51C, piston 51B gets in the cylinder barrel 51A; As whole the 1st cylinder, can on axial direction, produce and shrink.As shown in Figure 2, the cylinder barrel 51A of the 1st cylinder is connected on the fixed plate 56 of safety strap through the 2nd connecting strand 52, and piston rod 51B is connected on the inboard buckle of safety belt 57 through another the 1st connecting strand 52.At length say; Be separately positioned on the 1st cylinder left side and right side and can center on the pulley 53 of the rotational of above-below direction; Warp is arranged on two slide blocks 15 as the bearing support 58 of an example of adapter plate; Be connected two the 1st connecting strands 52 on cylinder barrel 51A and the piston rod 51B, after extend in the left and right directions outside, walking around pulley 53 towards the rear (direction is changed).That is, be connected two the 1st connecting strands 52 on cylinder barrel 51A and the piston rod 51B, when after extend in the left and right directions outside, walking around pulley 53, its direction is able to conversion.In other words, the 1st cylinder 51 is arranged on each slide block 15 with pulley 53 through the 1st connecting strand 52.More particularly, the extension of the 1st cylinder 51 is provided with between two pulleys 53, and the part that does not move forward and backward during as head-on crash, these two pulleys 53 are arranged on the slide block 15.In addition, in this embodiment, the part that moves forward and backward during so-called head-on crash is meant travel(l)ing rest 40.
Two pulleys 55 that can center on the rotational of left and right directions are separately positioned on the metal piece 93 that is arranged at two slide block 15 rear ends; When rearward the 1st connecting strand 52 of present dynasty is walked around pulley 55; Two the 1st connecting strands 52 can be oblique towards the front upper place, and its end is connected with inboard buckle of safety belt 57 with fixed plate 56 respectively.
About two bearing supports 58 be reinforced pipe 54 and couple together.In other words, about two bearing supports 58 be connected with pulley 53 with reinforcing pipe 54, about two pulleys 53 be connected with reinforcing pipe 54 through each bearing support 58.
Therefore; Even there is bigger tightening force to act on two the 1st connecting strands 52; Have thus make their efforts near each other in about during two pulleys 53, owing to have reinforcing pipe 54 to overcome and withstand this application force, so two slide blocks 15 (pulley 53) have proper spacing about keeping.
More particularly, if the position relation of explanation between above-mentioned each part, shown in (a) among Figure 13, pulley 53 is arranged on the left and right sides of the 1st cylinder 51, and its center of turn 53A is arranged in the midway location (figure representes with the single-point line) on the Width of slide block 15.Therefore, can be with slide block 15 supporting pulley 53 reposefully.In addition; The structure that is arranged in the outside on the Width of slide block 15 (than the single-point line of figure near the outside) with the center of turn 53A of pulley 53 is compared; Because the former can reduce the overhang that pulley 53 is given prominence to from the outer surface on the Width of slide block 15, so help structure to become compact like this.Also have, pulley 53 is arranged in the space of below of base rack 30 (with reference to Fig. 1).Be provided with structure comparatively compact so can effectively utilize the space.
In addition, reinforcing pipe 54 is arranged on the rear (pulley 53 1 sides) of the 1st cylinder 51, and its bearing of trend is identical with the 1st cylinder 51.More particularly, reinforcing pipe 54 is arranged on line one side of the central part (center of turn 53A) of each pulley 53.Therefore, for example compare with following structure: be connected the front end of bearing support 58 with reinforcing pipe, and reinforcing pipe is arranged on the place ahead of the 1st cylinder 51, two pulley the 53, the 1st cylinders 51 and reinforcing pipe 54 are provided with comparatively compactly on fore-and-aft direction about the former.
Also have, reinforcing pipe 54 is arranged between the center of turn 53A of each pulley 53, also help to improve rigidity.But if only consider compact conformation, pulley 53 is more little, possibly occur the 1st cylinder 51 more and produce the problem of interfering with reinforcing pipe 54.Therefore, when being arranged on than the line of the center of turn 53A of pulley 53 reinforcing pipe 54 also away from the position of the 1st cylinder 51, can guarantee has stronger rigidity, also can help to meet the requirement of compact conformation.
In addition, shown in (b) among Figure 13, bearing support 58 has: main part 58A, and it is tabular, and pulley 53 supports above that and can rotate; The 1st flange 58B; The 2nd flange 58C; The 3rd flange 58D.
On the inboard ora terminalis on the main part 58A left and right directions, be formed with recessed recess 58E towards the left and right directions outside.Under the state that reinforcing pipe 54 embeds among this recess 58E, adopt welding method that recess 58E and reinforcing pipe 54 are engaged.In addition; The inboard ora terminalis meta of the left and right directions of main part 58A is in the ora terminalis 58F in recess 58E the place ahead; Form the state of dodging (present position) than the ora terminalis 58G that is positioned at recess 58E rear towards the left and right directions outside, form thus and can contain the portion that dodges that interferes with 51 generations of the 1st cylinder.
Therefore, on left and right directions, guarantee to be used for being provided with the space of the 1st cylinder 51, and the length of cylinder barrel 51A and piston rod 51B can form longlyer, thus the stroke of piston rod 51B can be increased, thus can increase the amount of tightening up of safety strap.In addition; Compare the state that ora terminalis 58F is positioned at the left and right directions inboard owing to forming ora terminalis 58G; The edge that promptly is formed with the rear side of recess 58E forms to such an extent that be longer than the edge of front side; So can be in long scope the rear side of reinforcing pipe 54 be welded on the recess 54E, thereby firmly attachment recess 58E and reinforcing pipe 54.
The 1st flange 58B is crooked and form towards the top from the ora terminalis in the left and right directions of the main part 58A outside, its on left and right directions to by the pulley 53 of main part 58A supporting.Therefore, under the effect of the 1st flange 58B, can prevent that the 1st connecting strand 52 is shed to the left and right directions outside from pulley 53.
The 2nd flange 58C is crooked and form towards the top from the left and right directions outside left of the front end of main part 58A, its on fore-and-aft direction to pulley 53.Therefore, under the effect of the 2nd flange 58C, can prevent that the 1st connecting strand 52 is shed to the place ahead from pulley 53.
The 3rd flange 58D is crooked and form towards the top from the left and right directions outside left of the rear end of main part 58A.Therefore, under the effect of the 3rd flange 58D, can improve the rigidity at the position that is formed with recess 58E of main part 58A.
As shown in Figure 2, seat areal of support mobile device 60 has: the 2nd cylinder 61, and it is an example of the 2nd propulsive effort generation part (propulsive effort generation part); The 2nd connecting strand 62, it is an example of the 2nd power transmission member (power transmission member); Pulley 63, its quantity are two and are examples of the 2nd changes direction end spare (changes direction end spare).Identical with the 1st cylinder 51, the 2nd cylinder 61 has cylinder barrel 61A, piston, piston rod 61B and gas generator 61C (with reference to Fig. 6).The 2nd cylinder 61 is arranged to the state of axis towards left and right directions.Be that itself and the 1st cylinder 51 laterally arrange.Cylinder barrel 61A is connected on the left side pin 94 through the 2nd connecting strand 62, the part (parts beyond the travel(l)ing rest 40) that this pin 94 does not move when head-on crash takes place, and also this pin 94 is positioned at than the 2nd cylinder 61 self also near the position at rear.Piston rod 61B is connected on the right side pin 94 through another the 2nd connecting strand 62, the part that this pin 94 does not move when head-on crash takes place, and also this pin 94 is positioned at than the 2nd cylinder 61 also near the position at rear.From two the 2nd connecting strands 62 that cylinder barrel 61A and piston rod 61B extend out, walk around two pulleys 63 in the left and right directions outside that is arranged on the 2nd cylinder 61 respectively and, and be the state that direction is changed towards rear extension to two pin 94 place.
As shown in Figure 5, pulley 63 is arranged on the adapter plate 46.Therefore; Even the 2nd cylinder 61 is worked and on the 2nd connecting strand 62, is produced bigger tightening force; Have thus make their efforts near each other in about during two pulleys 63, owing to have reinforcing pipe 45 to overcome and withstand this application force, so can keep the position of pulley 63.Pulley 63 is provided with the connecting strand holding element of being processed by metal sheet 64, and the periphery of itself and pulley 63 only has less clearance and has a plurality of claws to highlight.Can prevent like this to come off from pulley 63 around the 2nd connecting strand 62 of pulley 63.
Shown in figure 12, under the effect of pulley 63,, be arranged between the side stand 41 of the side stand 31 of the base rack 30 that fore-and-aft direction extends and travel(l)ing rest 40 towards the 2nd connecting strand 62 of rear extension.Therefore, can the 2nd connecting strand 62 towards rear extension be provided with comparatively compactly, can also contain the 2nd connecting strand 62 and the generation interference such as Chain cushion that cover the support class outside.Especially in this embodiment; Because the 2nd connecting strand 62 is positioned at the flange 31P and the 31Q that extend towards the inboard by the upper and lower side of side stand 31; And in the flange 41P (rising wood) and 41Q (lower edge) area surrounded that extend toward the outer side of the upper and lower side of side stand 41; So the 2nd connecting strand 62 is difficult to from side stand 31,41, reveal the outside, thereby can contain well that itself and external component produce interference.In addition, because side stand 41 has the U shaped sections, so its rigidity is stronger, the action of travel(l)ing rest 40 or become steady.
As shown in Figure 4, the 2nd cylinder 61 is arranged on the below of disc holder 42 (travel(l)ing rest 40) and faces the recess 42A of disc holder 42.The portion that faces in the face of the 2nd cylinder 61 of disc holder 42 has recess 42A.In other words, the 2nd cylinder 61 is arranged on the below of disc holder 42 and faces recess 42A.Like this; Because the 2nd cylinder 61 is configured to the state that the recess 42A on the lower surface with disc holder 42 faces; So; Even the 2nd cylinder vibrates slightly, also be difficult to produce interference, and can make the 1st cylinder 61 also receive dress the 2nd cylinder 61 compactly as much as possible near disc holder 42 with disc holder 42.Especially the 2nd cylinder 61 part that is configured to its top gets into the state among the recess 42A, adorns the 2nd cylinder 61 so can receive with extremely compact mode.
In addition, when the 2nd cylinder 61 is arranged on the below of the disc holder 42 that is tabular, be difficult to confirm the installing condition of the 2nd cylinder 61 sometimes.But consider from the angle that improves operating efficiency, preferably be easy to confirm the installing condition of the 2nd cylinder 61.To this, in this embodiment, disc holder 42 in the face of the 2nd cylinder 61 in the face of portion (bottom surface of recess 42A), be formed with peristome 42C (also can with reference to Fig. 1).Like this, owing to can easily confirm the installing condition of the 2nd cylinder 61 from the top of disc holder 42, so can improve operating efficiency.Especially in this embodiment, as shown in Figure 1, owing to be formed with a plurality of peristome 42C along the axis direction of the 2nd cylinder 61, so confirm installing condition more easily.In addition, in this embodiment,,, therefore can be more prone to confirm installing condition so the situation that peristome 42C is covered by seat spring 81 can not occur because the 61T of the top portion of the 2nd cylinder 61 is set at the place ahead of the 81A of portion foremost of seat spring 81.
As shown in Figure 6, for the relation of the 2nd cylinder 61 and front link connection pipe 22, the 2nd cylinder 61 is faced with the pars intermedia 22A that is positioned at the below and is provided with.In addition, as shown in Figure 4, the 2nd cylinder 61 is arranged on the front upper place of the pars intermedia 22A of front link connection pipe 22.Change an angle and see that front link connection pipe 22 is case of bending, in order to realize dodging, corresponding to the moving range of the 2nd cylinder 61, the pars intermedia 22A of front link connection pipe 22 is positioned at more below.
Therefore; Even travel(l)ing rest 40 moved towards the rear when head-on crash took place; Also can check front link connection pipe 22 and the 2nd cylinder 61, or produce with the gas generator 61C that highlights from the 2nd cylinder 61 oblique inferoanteriors and to interfere, thereby travel(l)ing rest 40 can move swimmingly.
The position after if the position relation between explanation front link connection pipe the 22, the 1st cylinder 51 and the 2nd cylinder 61, the 1st cylinder 51 are arranged on and lean on than front link connection pipe 22, and the 2nd cylinder 61 is arranged on the position more forward than front link connection pipe 22.Therefore, be arranged,, can contain the increase of whole height therefore through these parts are set because three cylindrical parts front and back are divided.
Like Fig. 2 and shown in Figure 7, the 1st cylinder 51 and the 2nd cylinder 61 are arranged to following state: piston rod 51B that from the 1st cylinder 51, highlights and the piston rod 61B that from the 2nd cylinder 61, highlights, and reverse about it is oriented.More particularly, the 1st cylinder 51 is arranged to: they are between two pulleys 53 of dividing right and left, and cylinder barrel 51A is near right-hand member, and piston rod 51B is outstanding left from the left end of cylinder barrel 51A.The 2nd cylinder 51 is arranged to: they are between two pulleys 63 of dividing right and left, and cylinder barrel 61A is near holding, and piston rod 61B is outstanding to the right from the right-hand member of cylinder barrel 61A.Like this, for the 1st cylinder 51 and the 2nd cylinder 61, even the cylinder barrel 51A, the 61A generation vibration that divide as thicker part also are difficult to produce and interfere, and left and right sides distribution of weight is also better.In addition,, also can cancel each other, not be used to take portion so do not have unnecessary masterpiece because of their moving of quality even when the 1st cylinder 51 and the work of the 2nd cylinder 61.Also have, because the 1st cylinder 51 and the 2nd cylinder 61 are respectively near the end on the left and right directions, so can increase the stroke of piston rod 61B.
If the relation of the position between explanation pulley 53 and the pulley 63, shown in figure 16, on left and right directions, pulley 63 is arranged on than pulley 53 position in the inner part.At length say; On left and right directions; For about two pulleys 63, from the outermost position of a pulley 63 to the distance at the outermost position of another pulley 63, less than from the outermost position of a pulley 53 to the distance at the outermost position of another pulley 53.Like this, owing to can be provided with pulley 63 compacter, thus change reduces the size of seat areal of support mobile device 60.
Like Figure 15 and shown in Figure 16, pin 94 installing condition is: engage with connecting rod 25 and can not rotate; Engage with the rearward end of the left and right sides support 31 of base rack 30 and can rotate; Engage with rear link 23 and can not rotate; The end of the 2nd connecting strand 62 is attached thereto; It interts in the bullport 41 of the rearward end of the left and right sides support 41 that is formed at travel(l)ing rest 40.Like this, as the pin 94 of a part, it plays following effect: connecting rod 25, base rack 30, rear link 23 and travel(l)ing rest 40 are assembled into the effect of a single-piece node; Be used for the effect of boot activity support 40; Be used for fixing the effect of the 2nd connecting strand 62; Make rear link 23 be connected (fixing) with connecting rod 25 and become a single-piece effect; The effect that base rack 30 and rear link 23 connecting rods 25 are coupled together and can rotate.
That is, in this embodiment, because of the pin 94 as a part plays above-mentioned a plurality of effect, so compare with part or the structure at position that independent setting can be played above-mentioned each effect, the former can simplify the body frame structure for automotive of auto use chair, can reduce the part number again.
[action]
Explanation has the action of the auto use chair of said structure below.
Like Fig. 7 and shown in Figure 8, under common state, with respect to base rack 30, travel(l)ing rest 40 is positioned at the position (than the forward position of state afterwards of starting working) that is suitable for taking usually, lifts with connecting rod 43 to be 45 ° the state of being inclined upwardly approximately from the place ahead.The right-hand member of cylinder barrel 51A between pulley 53 of the 1st cylinder 51, the left end of cylinder barrel 61A between pulley 63 of the 2nd cylinder 61.
In addition, in Fig. 7 and Figure 10, together expression has slide block 15, base rack 30 and travel(l)ing rest 40, in order to be easy to distinguish them, uses different lines to represent different parts respectively.In like manner, the 1st cylinder the 51, the 1st connecting strand 52, pulley the 53, the 2nd cylinder the 61, the 2nd connecting strand 62 and pulley 63 are also represented with solid line.
When vehicle generation head-on crash and when spending more than the regulation numerical value occurring than big retarding; By not shown acceleration sensor outputs signals; Gas generator 51C, 61C work; Therefore the 1st cylinder 51 and the 2nd cylinder 61 are worked and are made contractive action, and cylinder barrel 51A, 61A and piston rod 51B, 61B move, thereby the 1st connecting strand 52 and the 2nd connecting strand 62 are pulled to the left and right directions inboard.Like this, the propulsive effort of the 1st cylinder 51 and the 2nd cylinder 61 passes to safety strap and base rack 30 respectively.
Like Fig. 9 and shown in Figure 10; Cylinder barrel 51A, 61A and piston rod 51B, 61B moves and when pulling the 1st connecting strand 52; Under the effect of pulley 53, the action direction of the power of the 1st connecting strand 52 converts fore-and-aft direction into, and the fixed plate and the inboard buckle of safety belt that are connected on the 1st connecting strand 52 are tightened up.Like this, the waist of safety strap partly is tightened up, thereby can contain that the occupant leaves auto use chair.
In addition; When the 2nd connecting strand 62 is pulled; Under the effect of pulley 63, the action direction of the power of the 2nd connecting strand 52 converts fore-and-aft direction into, sells 94 (base racks 30) on the 2nd connecting strand 62 and can receive the effect towards the power of the travel(l)ing rest 40 that furthers owing to be connected; Under the effect of this power, travel(l)ing rest 40 (seat areal of support) moves towards the rear with respect to base rack 30.At this moment, the rearward end of travel(l)ing rest 40 moves along the mode of pin 94 with bullport 41A.Because the front portion of travel(l)ing rest 40 is bearing on the base rack 30 through lifting with connecting rod 43; So along with travel(l)ing rest 40 moving towards the rear; Lift with connecting rod 43 and rotate towards the rear, the front portion of travel(l)ing rest 40 is lifted, its motion track with lift identical with the top of connecting rod 43.Like this, Yi Bian Yi Bian mobile backward its front portion of the seat areal of support on the not shown cushion is upwards lifted, the occupant will be easy to prevent this to move with the seat areal of support when move in the place ahead under effect of inertia, thereby makes the occupant be difficult to leave auto use chair.
[effect]
For the auto use chair in the embodiment with said structure, it can obtain following each effect.
Because employing the 2nd cylinder 61 is faced with disc holder 42 (travel(l)ing rest 40) and is provided with, the portion that faces in the face of the 2nd cylinder 61 of disc holder 42 has the structure of recess 42A.Interfere so can avoid disc holder 42 and the 2nd cylinder 61 to produce, can also make the 2nd cylinder 61 near disc holder 42.Can be provided with the 2nd cylinder 61 comparatively compact like this.
Especially the 2nd cylinder 61 part that is configured to its top gets into the state among the recess 42A, so can make the 1st cylinder 61 more near travel(l)ing rest 40.Can be provided with the 2nd cylinder 61 more compact like this.
Because reinforcing pipe 45 extends towards opposite side from the left side or the right side of travel(l)ing rest 40 (disc holder 42); Reinforcing pipe 45 is arranged to get on the whole the state among the recess 42A; So can improve the rigidity of travel(l)ing rest 40, can also be provided with reinforcing pipe 45 very compact.
Because front link connection pipe 22 is case of bending, intermediate portion 22A is positioned at the below of both ends 22B.Interfere so can avoid front link connection pipe 22 and the 2nd cylinder 61 to produce, thereby can be provided with front link connection pipe 22 and the 2nd cylinder 61 comparatively compact.
Since with the 1st cylinder 51 be arranged on seat spring 81 belows, the less front end of flexure deformation when the occupant sits in the portion of taking, be provided with the 1st cylinder 51 comparatively compact so can effectively utilize the space.In addition, interfere owing to can avoid the 1st cylinder 51 to produce, so can contain the touching sense that brings to the occupant with seat spring 81.
Owing to will be used for moving the 2nd cylinder 61 of seat areal of support towards the rear; Be arranged on the top of the 1st cylinder 51 that is used for tightening up safety strap when head-on crash takes place; So the processing of the 1st connecting strand 52 and the 2nd connecting strand 62 becomes easily, thereby two cylinders 51,61 can be set compactly.
Not only utilize the space in the place ahead, top of the portion of taking that the 2nd cylinder 61 is set; And the 1st cylinder 51 that is arranged on the rear of the 2nd cylinder 61 is positioned at relatively low position, so can guarantee to increase the required bigger cushion activity space in the portion of taking, especially its rear.That is, can guarantee that seat spring 81 downward flexure deformations are required than large space.
In addition; When head-on crash takes place when; Because upwards lift the front portion of travel(l)ing rest 40,, so not only be easy to bring the maintenance occupant with vehicle safety so the occupant is difficult to leave the portion of taking; And owing to be arranged on the 2nd cylinder 61 on the travel(l)ing rest 40 and upwards lift on one side on one side and move towards the rear, so the 1st cylinder 51 and the 2nd cylinder 61 are difficult to produce interference.Therefore can be provided with the 1st cylinder 51 and the 2nd cylinder 61 nearer, thereby can be provided with them comparatively compact.
For the front link connection pipe 22 of each front link 21 of one about being used for connecting, the 1st cylinder 51 and the 2nd cylinder 61 front and back branches are arranged, through these parts are set, can contain the increase of whole height.
Interfere owing to producing between two cylinder barrel 51A that can contain two cylinders, the 61A; Can also when head-on crash takes place, two cylinder barrel 51A, moving of 61A and the mobile of quality that produce cancelled each other it on left and right directions, be not used to take portion so do not have unnecessary masterpiece.
Because cylinder barrel 51A, 61A are arranged to the state near a certain end in the left and right sides; Have bigger forced stroke so can not only guarantee piston rod 51B, 61B, and the amplitude of the vibration of each cylinder barrel 51A that can also reduce to be sling by the 1st connecting strand 52 or the 2nd connecting strand 62,61A.
Because front link connection pipe 22 is case of bending, intermediate portion 22A is positioned at the below of both ends 22B.Interfere so can avoid front link connection pipe 22 and the 2nd cylinder 61 to produce, thereby can be provided with front link connection pipe 22 and the 2nd cylinder 61 comparatively compact.
Because pulley 63 is installed on the stronger side stand 41 of the rigidity of travel(l)ing rest 40,, it is improved so installing rigidity.Therefore, pulley 63 smooth workings even act on pulley 63 from the bigger tightening force of the 2nd connecting strand 62, also can be changed the action direction of the power of the 2nd connecting strand 62 reposefully under the effect of pulley 63, thereby can guarantee the stationarity that moves of seat areal of support.
As the parts that the installation portion of pulley 63 is reinforced, owing to be provided with the part that reinforced plate 65, reinforced rib 66, adapter plate 46 and reinforcing pipe 45 are reinforced.So the installation rigidity of pulley 63 is further strengthened.
Especially owing to the reinforcing pipe 45 that extends towards left and right directions is connected with adapter plate 46; Pulley 63 is installed on this adapter plate 46; So when 61 work of the 2nd cylinder, the 2nd connecting strand 62 on pulley 63 is pulled, and makes two pulleys, 63 stronger masterpieces near each other be used for them even if having; Owing to having reinforcing pipe 45 to overcome and withstanding this application force, so can keep the position of pulley 63.Like this, the action of ability the 2nd connecting strand 62 becomes steadily, thereby can guarantee the stationarity that moves of seat areal of support.
Make the bending two ends of reinforcing pipe 45 and form the bight that is acute angle, when on it adapter plate 46 being set, can effectively utilize the space, be provided with pulley 63 comparatively compact.Because 46 of adapter plates are connected with the both ends 45B of the bending of reinforcing pipe 45, so can get pulley 63 and adapter plate 46 layouts more compact.
Can not only utilize the space between the side stand 31 of side stand 41 and base rack 30 of travel(l)ing rest 40; The 2nd connecting strand 62 is set compactly; And the 2nd connecting strand 62 can be from side stand 31, expose between 41; Contact with cushion etc. so can contain the 2nd connecting strand 62, thereby can under the effect of the 2nd connecting strand 62, make the mobile of seat areal of support become steady.
Because front link connection pipe 22 is case of bending, intermediate portion 22A is positioned at the below of both ends 22B.Interfere so can avoid front link connection pipe 22 and the 2nd cylinder 61 to produce, thereby can be provided with front link connection pipe 22 and the 2nd cylinder 61 comparatively compact.
Since about two pulleys 53 be reinforced pipe 54 and couple together, so, also can check each pulley 53 and produce from assigned position and move by reinforcing pipe 54 even each pulley 53 is pulled to the left and right directions inboard by the 1st connecting strand 52.And, owing to can check moving of each pulley 53 with reinforcing pipe 54, thus can contain the slide block 15 generation distortion that are used for supporting each pulley 53, thus can make the action of tightening up of safety strap become steady.
Because reinforcing pipe 54 is arranged on the rear (pulley 53 1 sides) of the 1st cylinder 51, thus can be on fore-and-aft direction, with about two pulley the 53, the 1st cylinders 51 and reinforcing pipe 54 be provided with more compactly.
Because the 1st cylinder 51 is arranged on each slide block 15 with pulley 53 through the 1st connecting strand 52; So when slide block 15 being slided with respect to slide rail 11 at the front and back position of adjusting seat for vehicle; The 1st cylinder 51 does not change with the position relation of pulley 53 grades; Therefore when bumping, can make safety strap to tighten up action more steady.
Because the center of turn 53A of pulley 53 is positioned at the midway location on the Width of slide block 15.Therefore, can be with slide block 15 supporting pulley 53 reposefully.In addition, the structure that is positioned at the outside on the Width of slide block 15 with the center of turn 53A of pulley 53 is compared, because the former can reduce the outer surface outstanding overhang of pulley 53 from the Width of slide block 15, so help structure to become compact like this.
Because front link connection pipe 22 is case of bending, intermediate portion 22A is positioned at the below of both ends 22B.Interfere so can avoid front link connection pipe 22 and the 2nd cylinder 61 to produce, thereby can be provided with front link connection pipe 22 and the 2nd cylinder 61 comparatively compact.
Because on the bullport 41A that extends before and after the both ends 44B of connection pipe 44 is connected, thus long as far as possible bullport 41A can be formed, thus can guarantee that travel(l)ing rest 40 has enough amount of movements.In addition, compare with the anterior or back-connected structure of bullport 41A, owing to can shorten the length of travel(l)ing rest 40, thereby when travel(l)ing rest 40 moves, can reduce its overhang from the seat with the both ends 44B of connection pipe 44.
Because pin 94 is fastened on the base rack 30, this pin 94 interts in the bullport 41 of travel(l)ing rest 40, and the end with the 2nd connecting strand 62 is connected again, so need not on base rack 30, to be provided with separately the end bonded assembly parts that are used for the 2nd connecting strand 62.Like this, base rack 30 structures can be simplified, the part number of auto use chair can be reduced again.
Be case of bending owing to connect sense 44, compared with both ends 44B, pars intermedia 44A is positioned at the position away from the occupant, so can contain to bring to touch to the occupant and feel.
Because connection pipe 44 is connected with the protrusion 41B of the top that is arranged on bullport 41A,, can also improve the installation rigidity of connection pipe 44 so can improve the rigidity around the bullport 41.
For base rack 30 (side stand 31), when observing, because in the face of the 31A of portion is case of bending, it staggers to the outside of installation portion 31B from the rear.Therefore, can avoid travel(l)ing rest 40 when move at the rear and this travel(l)ing rest 40 produce and interfere.In addition, because the interval of installation portion 31B is less than the interval in the face of the 31A of portion, so can do base rack 30 or squab bracket 2 compacter.
Owing to the rear link connection pipe 24 of each rear link 23 of one about will being used for connecting, be arranged on the below of the motion track of travel(l)ing rest 40, so it can not hinder moving of travel(l)ing rest 40.Therefore, travel(l)ing rest 40 (taking the seat areal of support of portion) can move swimmingly.
Because pulley 63 is arranged on than the position of pulley 53 near the inboard, thus can be provided with pulley 63 comparatively compact, thus can make seat areal of support mobile device 60 less.Therefore, can will take portion's support 3 (auto use chair) makes less.
The pin 94 be used for about two rear link 23 be connected base rack 30, two rear link 23 can be rotated about this.Because this pin 94 interts in the bullport 41 on being formed at travel(l)ing rest 40, be used for the mobile part or the position of boot activity support 40 so need not to be provided with separately.Like this, base rack 30 structures can be simplified, the part number of auto use chair can be reduced again.
Because the 2nd connecting strand 62 is connected on the pin 94, said the 2nd connecting strand 62 is used for transmitting the propulsive effort of the 2nd cylinder 61, so need not on base rack 30, to be provided with separately position or the part that is used for connecting the 2nd connecting strand 62.Like this, base rack 30 structures can be simplified, the part number can also be further reduced.
Can not only utilize space between side stand 31 and the side stand 41 to come to be provided with compactly lifts with connecting rod 43; Can also make to lift with these side stands 31,41 and can not expose fully with connecting rod 43; Be difficult to produce interference so lift, and can work swimmingly with Chain cushion with connecting rod 43.
Because big many parts of the 2nd connecting strand 62 are contained between side stand 31 and the side stand 41 by receipts; So can utilize vacant space to be provided with it comparatively compact; And owing to surrounded by side stand 31,41; So the 2nd connecting strand 62 is difficult to produce interference with Chain cushion or surface material, therefore the 2nd connecting strand 62 can be worked swimmingly.
Because the side stand 41 of travel(l)ing rest 40 has flange 41P, 41Q; And its cross section is Japanese katakana " コ " font; Therefore its rigidity is stronger, owing to the 2nd connecting strand 62 and the recess of side stand 41 are faced, so can be provided with the 2nd connecting strand 62 comparatively compact.
Because the side stand 31 of base rack 30 has flange 31P, 31Q; And its cross section is Japanese katakana " コ " font; Therefore its rigidity is stronger, owing to the 2nd connecting strand 62 and the recess of side stand 31 are faced, so can be provided with the 2nd connecting strand 62 comparatively compact.
< modified example >
The 1st embodiment of the present invention has been described above, has been described below that the present invention can appropriate variations and be able to implement.
For example; In the above-described embodiment; The cylinder barrel 51A of the 1st cylinder 51 is arranged on the right side, but shown in figure 18, also can cylinder barrel 51A be provided with near the left side; The 1st connecting strand 52 that is connected on the cylinder barrel 51A is connected with inboard buckle of safety belt 57, the 1st connecting strand 52 that is connected on the piston rod 51B is connected with fixed plate 56.Like this; Be difficult for the inboard buckle of safety belt 57 that quilt is tightened up owing to having the shoulder hamess and the pelvic restraint that are in coupled condition; Be connected on the less cylinder barrel 51A of actuating quantity; And the fixed plate 56 that will be easy to tighten up is connected on the bigger piston rod 51B of actuating quantity, so the part that rides over waist that can more effectively fasten seat belts.
In the above-mentioned embodiment, the part on the top of the 2nd cylinder 61 (propulsive effort generation part) is arranged to get into the state among the recess 42A, but the present invention is not limited thereto, also can the propulsive effort generation part be arranged to all get into the state in the recess.In addition, whole reinforcing pipe 45 (reinforcement feature) is arranged to get into the state among the recess 42A, but the present invention is not limited thereto, also can reinforcement feature be arranged to a part and get into the state in the recess.
In the above-mentioned embodiment; As preceding part connecting part, given an example and carried out the disc holder 42 that punch process forms, but the present invention is not limited thereto by metal sheet; Also can adopt the connection pipe that is tubular or column 47 shown in Figure 19, it is used for connecting the left and right sides support 41 of travel(l)ing rest 40.
In the above-mentioned embodiment; Given an example travel(l)ing rest 40 (disc holder 42) in the face of the 2nd cylinder 61 in the face of having the structure of recess 42A in the portion; But the present invention is not limited thereto, also can be employed in its structure that has opening in the portion of facing in the face of the 2nd cylinder 61.As above-mentioned opening, can give an example is arranged on the through hole on the tabular disc holder 42, the structures such as opening between two connection pipes 47 that are used for left and right sides support 41 perhaps shown in figure 19.
In addition; In structure shown in Figure 19; The front end of seat spring 81 is installed in the bottom of the connection pipe 47 of rear side, the 2nd cylinder 61 and to be formed on two opening surfaces between the connection pipe 47 right, and the 61T of its top portion is arranged on the place ahead of the 81A of portion foremost of seat spring 81.Like this,, also guarantee to have itself and the 2nd cylinder 61 not to produce the gap of interference, and can be provided with the 2nd cylinder 61 comparatively compact even seat spring 81 produces flexure deformation between the 2nd cylinder 61 and seat spring 81.
In the above-mentioned embodiment, the 2nd cylinder 61 is faced with it below travel(l)ing rest 40 and is provided with, but the present invention is not limited thereto, also can be with it in the face of being provided with above travel(l)ing rest 40.At this moment, travel(l)ing rest 40 in the face of the 2nd cylinder 61 in the face of being formed with above-mentioned opening in the portion, or be formed with recess recessed when observing from the top.
In addition, also can the 2nd cylinder 61 be arranged on travel(l)ing rest 40 or the base rack 30.The 2nd cylinder 61 is arranged on 30 last times of base rack, an end and the other end of the 2nd connecting strand 62 that extends out from the 2nd cylinder 61, the arbitrary place that is connected travel(l)ing rest 40 gets final product.
In the above-mentioned embodiment; The recess 42A of the 2nd cylinder 61 and travel(l)ing rest 40 of seat areal of support (travel(l)ing rest 40) that is used for moving the portion of taking is in the face of being provided with; But the present invention is not limited thereto; Also can be the 1st cylinder 51 that is used for tightening up safety strap, face setting with the recess (or opening) of travel(l)ing rest 40.
In the above-mentioned embodiment; As back part connecting part and connecting rod link; Having given an example is pipe cylindraceous (rear link connection pipe 24, connection pipe 44 or front link connection pipe 22), but the present invention is not limited thereto, also can be cylindric or the prism-shaped link.
In the above-mentioned embodiment; The 1st connecting strand 52 that extends out from the two ends (cylinder barrel 51A and piston rod 51B) of the 1st cylinder 51; Be connected on the end (fixed plate 56 and inboard buckle of safety belt 57) of safety strap, but the present invention is not limited thereto, also can adopt following structure: the 1st connecting strand 52 is connected with the non-end of safety strap; When 51 work of the 1st cylinder, pull the non-end of safety strap.
In the above-mentioned embodiment, cylinder 51,61 is arranged to the state of axis towards left and right directions, but the present invention is not limited thereto, for example, also can be arranged to the state of axis towards fore-and-aft direction.In addition, the axis of two cylinders 51,61 towards also can be different.
In the above-mentioned embodiment, the 2nd cylinder 61 is arranged on travel(l)ing rest 40 (below of disc holder 42), but also can be arranged on the base rack 30.At this moment, an end and the other end of the 2nd connecting strand 62 that extends out from the 2nd cylinder 61, the arbitrary place that is connected travel(l)ing rest 40 gets final product.Like this, can the propulsive effort of the 2nd cylinder 61 be passed to travel(l)ing rest 40.
In the above-mentioned embodiment, as the propulsive effort generation part, the cylinder of having given an example.But the present invention is not limited thereto, for example, also can be spring or motor etc.
In the above-mentioned embodiment, as power transmission member, the connecting strand of having given an example.But the present invention is not limited thereto, for example, also can be chain or rod member etc.
In the above-mentioned embodiment, as the converting member (changes direction end spare) of the action direction of the power of the 1st connecting strand 52 and the 2nd connecting strand 62, the pulley 53,63 of having given an example and to have rotated.But the present invention is not limited thereto, for example, also can be the changes direction end spare that can not rotate around the cylindric surface of having of connecting strand, can also be to make connecting strand etc. pass its in-to-in tubular changes direction end spare.
In addition, in the above-mentioned embodiment, adopted and sold 94 and be fastened on the base rack 30 and the structure that can rotate, also can adopt pin to be fastened on the base rack but the structure that can not rotate.At this moment, pin can be rectangular tube or prismatic rod.
In the above-mentioned embodiment, as spring members, the linear seat spring 81 of having given an example, but the present invention is not limited thereto, also can the plate-shaped springs parts etc.
In the above-mentioned embodiment; The both ends 44B of connection pipe 44 (back part connecting part) is connected the top of bullport 41A; But the present invention is not limited thereto; Also can be the below that is connected bullport, the both ends of link (for example under the lower direction of bullport outstanding protrusion etc.), link be positioned at bullport under.Like this, even the pars intermedia of link is not crooked, also can weaken the touching sense that brings the occupant downwards.
In the above-mentioned embodiment, the pin 94 of having given an example and being the hexagonal bar iron shape, but the present invention is not limited thereto, for example, also can cylindrical pipe or cylindric plate etc.
In the above-mentioned embodiment; The bullport 41A that is formed on the travel(l)ing rest 40 moves along the pin 94 that is fastened on the base rack 30, travel(l)ing rest 40 and base rack 30 are rotated, but the present invention is not limited thereto; For example; Base rack is fixed on the vehicle body of the vehicle, it can not move when head-on crash takes place at least, and travel(l)ing rest moves along the slide rail on the vehicle body that is arranged on the vehicle.
In the above-mentioned embodiment; When having adopted the generation head-on crash, the structure that travel(l)ing rest (taking the seat areal of support of portion) moves towards the rear, but moving direction is not limited to the rear; For example; Also can adopt following structure: when head-on crash takes place, or the front portion of taking portion lifts, or the rear portion of taking portion descends.
In the above-mentioned embodiment; Rearward end at the left and right sides support 41 of travel(l)ing rest 40 forms bullport 41A; But the present invention is not limited thereto, also can be formed on the leading section or pars intermedia of left and right sides sidewall (sidewall that comprises the disc holder 42 in the above-mentioned embodiment) of travel(l)ing rest.
In the above-mentioned embodiment, when having adopted the generation head-on crash, travel(l)ing rest 40 moves and the not mobile structure of base rack 30, but the present invention is not limited thereto, also can be employed in when head-on crash takes place the structure that base rack also moves with respect to vehicle body a little.
In the above-mentioned embodiment, as the suitable example of seat for vehicle and the auto use chair of having given an example, the seat for vehicle among the present invention also is applicable to other seat for vehicle, for example, boats and ships with or aircraft use seat.In addition, as the body platform of the vehicle, for example also can be the hull floor of boats and ships etc.Also have, " preceding " among the present invention is benchmark with the occupant who is sitting on the seat.Therefore, with respect to the direct of travel of the vehicle, if seat (being sitting in the occupant on the seat) when the rear, is a benchmark with occupant, the direct of travel rear becomes the place ahead, for example, when the vehicle are clashed into from the rear etc., is the front bump.
In the above-mentioned embodiment, the reinforcing pipe 45 of having given an example and having constituted by a straight pipe, but reinforcement feature is not limited to above-mentioned straight parts, also can be crooked parts, or the parts of two rods or pipe decussate.
In the above-mentioned embodiment, as link, the cylindric connection pipe 44 of having given an example, but the present invention is not limited thereto, for example, also can be cylindrical or prismatic parts.
In addition,, also can be employed in when head-on crash takes place, to the left and right the cylinder of direction lateral expansion etc. as the propulsive effort generation part.Also have, at this moment, also can be with tilting member as changes direction end spare, wherein, tilting member promotes and swings in the direction outside to the left and right with the cylinder barrel or the rod member of cylinder, and then direction promotes the rod member as power transmission member forwards, backwards.In addition, as the changes direction end spare of this moment, also can adopt by cylinder to the wedge cams parts of the promotion laterally of washing clothes with by the parts of the inclined-plane of cam part direction promotion forwards, backwards.
In the above-mentioned embodiment; As changes direction end spare; Adopted the pulley 53 that can rotate, but the present invention is not limited thereto, for example; Also can be to have cylindric surface and the guide member that can not rotate around pin of connecting strand etc., can also be to pass its in-to-in cylindrical guide as the connecting strand etc. that makes of the prior art.
In the above-mentioned embodiment,, adopted cylindric reinforcing pipe 54, but the present invention is not limited thereto, also can adopt parts cylindrical, prismatic or the X font as reinforcement feature.
In the above-mentioned embodiment, as occupant protection system, adopted safety strap, but the present invention is not limited thereto, for example, the side air bag that can move in the time of also can being the generation head-on crash etc.
In the above-mentioned embodiment, as installing component, having given an example forms the pin 94 of hexagonal bar iron shape, but the present invention is not limited thereto, for example, also can be cylindrical pipe or cylindrical bar.In addition, in the above-mentioned embodiment, adopted and sold 94 and be fastened on the base rack 30 and the structure that can rotate, also can adopt pin to be fastened on the base rack but the structure that can not rotate.At this moment, pin can be rectangular tube or prismatic rod.
In the above-mentioned embodiment; Given an example travel(l)ing rest 40 (disc holder 42) in the face of the 2nd cylinder 61 in the face of having the structure of recess 42A in the portion; But the present invention is not limited thereto, also can be employed in its in the face of the 2nd cylinder 61 in the face of having the structure of opening (for example be arranged on the hole on the disc holder 42 or be used for connecting opening between two bar-shaped links of left and right sides support 41 etc.) in the portion.In addition, in the above-mentioned embodiment, the downside of travel(l)ing rest 40 has recess 42A, also can recess be set at the upside of travel(l)ing rest, or on travel(l)ing rest, opening be set, and at this moment, also can the 2nd cylinder 61 be arranged on the upside of travel(l)ing rest.
In the above-mentioned embodiment; Pin 94 (installing component) is fastened on the base rack 30; The 2nd cylinder 61 (propulsive effort generation part) or bullport 41A are arranged on the travel(l)ing rest 40; But the present invention is not limited thereto, also can installing component be arranged on the travel(l)ing rest, and propulsive effort generation part or bullport are arranged on the base rack.In addition, of above-mentioned embodiment, bullport 41A is arranged on 40 last times of travel(l)ing rest, can guarantee the rigidity of base rack 30, can alleviate the weight of travel(l)ing rest 40 again, thereby can move travel(l)ing rest 40 swimmingly in moment.Also have; When being arranged on installing component on the travel(l)ing rest, for example, can adopt following structure: the both ends 44 that prolong connection pipe 44 (link); So that it has the effect same with pin 94, and substitute the structure of the part that the above-mentioned pin 94 of picture is set separately with this structure.Can reduce the part number of auto use chair like this.
In the above-mentioned embodiment, connection pipe 44 (link) is case of bending, and intermediate portion 44A is positioned at the below of both ends 44B, but the present invention is not limited thereto, and link also can be following case of bending: the intermediate portion is positioned at the rear at both ends.In addition, link also can be following case of bending: the intermediate portion is positioned at the below and the rear at both ends.
In the above-mentioned embodiment, the 2nd cylinder 61 is arranged on travel(l)ing rest 40 (below of disc holder 42), but also can be arranged on the base rack 30.At this moment, an end and the other end of the 2nd connecting strand 62 that extends out from the 2nd cylinder 61, the arbitrary place that is connected travel(l)ing rest 40 gets final product.Like this, can the propulsive effort of the 2nd cylinder 61 be passed to travel(l)ing rest 40.
In the above-mentioned embodiment, as the parts that are used for connecting left and right sides support or attaching parts, the cylindrical pipe of having given an example, but the parts that are used for connecting left and right sides parts are not limited thereto, and for example, also can be cylindrical or prismatic links.
< the 2nd embodiment >
With reference to Figure 20～Figure 37 the 2nd embodiment of the present invention is described below.
In addition, the 2nd embodiment can be implemented with the combination of the 1st embodiment, also can implement the 2nd embodiment separately.
Also have, the parts that will explain below, set-up mode etc. are not to be used for limiting the present invention, and be the same with above-mentioned embodiment, can abide by purport of the present invention certainly it is carried out various changes.
In the 2nd embodiment, occupant protection system is the safety strap that has with lower component: shoulder hamess is retrained the occupant who is sitting on the seat from the shoulder to the waist by it; Pelvic restraint, it is used for retraining above-mentioned occupant's waist.
For example; The open communique spy of Japan's patent of invention opens and discloses following a kind of technology for 2003-1523922 number: during collision happens; Make following apparatus work simultaneously; This device is for tightening up the gunpowder formula shoulder tightening device of shoulder hamess towards the direction of occupant restraint and tightening up the gunpowder formula pinch waist device of pelvic restraint towards the direction of occupant restraint.
For above-mentioned occupant protection system, during collision happens, work simultaneously in order to make shoulder tightening device and pinch waist device, under the effect of above-mentioned tightening device, tightening up of shoulder hamess and pelvic restraint is in the opposite direction.
In general, for reducing the restraint feeling that shoulder hamess brings to the occupant, when shoulder hamess is installed, make shoulder hamess and occupant that certain clearance (slack) arranged.
Therefore; During collision happens; If shoulder tightening device and pinch waist device are worked simultaneously; The gap of the former shoulder hamess that should be tightened up by the shoulder tightening device can be tightened up by the pinch waist device, and the amount of tightening up of being tightened up by the shoulder tightening device of shoulder hamess can reduce, the amount of the amount of minimizing for being tightened up by the pinch waist device.Therefore, it is elongated to be used for occupant restraint real work length above the waist, thereby when collision happens, following problem possibly occur: reduce for occupant's constrained force by the shoulder hamess effect.So there is following problem: want to increase the work capacity of pinch waist device, need to increase this device size.
Also have, as stated, because the pinch waist device also can tighten up the gap of the former shoulder hamess that should be tightened up by the shoulder tightening device, so the amount of tightening up of pinch waist device can increase, the amount of increase is the amount that is used for tightening up shoulder hamess.
At this moment, in general, gunpowder formula tightening device has property, and being used under its work A-stage tightened up the tightening force maximum of safety strap, and along with the increase of the safety strap amount of tightening up, this tightening force descends.When therefore the gap of shoulder hamess was also tightened up by the pinch waist device, the tightening force that acts on the pinch waist device of pelvic restraint descended.So during collision happens, pelvic restraint applies tightening force to occupant's waist effectively hardly.
The seat for vehicle that the present invention's the 2nd embodiment provides a kind of occupant protection system and has this occupant protection system; During collision happens; Can eliminate the gap (slack) of safety strap fast; And under the situation of the size that does not increase this occupant protection system, can be reliably on the seat with occupant restraint.
[integral structure]
Shown in figure 20, the auto use chair 101 as an example of seat for vehicle in this embodiment has: the back of seat 102 of auto use chair 101; Chain cushion 103; Headrest 104, it is arranged on the top of back of seat 102; Slide rail 105 makes auto use chair 101 move with respect to vehicle body by it; Passenger restraint system 110, it is an example of occupant protection system.
As shown in the drawing, passenger restraint system 110 has: safety strap 120, and it has shoulder hamess 126 and pelvic restraint 127; Pinch waist device 130, it imposes tightening force as an example of the 1st propulsive effort generation part to pelvic restraint 127; Shoulder tightening device 140 imposes tightening force by it to shoulder hamess 126; Bump detecting sensor 150 detects the bump that vehicle takes place by it; Control mechanism 160 when bump detecting sensor 150 detects bump, is exported the signal of starting working to shoulder tightening device 140 and pinch waist device 130 respectively by this control mechanism 160.In addition, bump detecting sensor 150 is equivalent to clash into testing agency.
Like Figure 20～shown in Figure 22, an end of safety strap 120 is connected on the safety belt retractor 121 that is arranged on vehicle body or the auto use chair 101, and the other end card of safety strap 120 ends on adapter plate 122.Pars intermedia at safety strap 120 is provided with tongue 123, and tongue 123 engages with the inboard buckle of safety belt 125 of inboard connecting element 124 and the ability engagement release, and inboard connecting element 124 is provided with adapter plate 122 in pairs.Tongue 123 can move on safety strap 120, but usually when extracting safety strap 120 grades out, tongue 123 does not relatively move with safety strap 120.In addition, adapter plate 122, tongue 123, inboard connecting element 124 are equivalent to fastener, installation portion, engagement section respectively.
Like Figure 21 and shown in Figure 22, safety belt retractor 121 has: side plate 121a, and it separates predetermined distance and faces setting on the vehicle fore-and-aft direction; Spool 121b, it is being arranged on vehicle fore-and-aft direction between two side plate 121a, and driven shaft 121c supports and can rotate.One end of safety strap 120 is connected on the spool 121b, and spool 121b furls safety strap 120 when being driven.
Shown in figure 20, as the 1st power transmission member, the end of the cable 128B of pair of right and left and the end of cable 128A, card ends at the base portion of adapter plate 122 and the base portion of inboard connecting element 124 respectively.Of the back, the other end of the other end of cable 128A and cable 128B is separately fixed at (with reference to Figure 23～26) on the pinch waist device 130.
Under tongue 123 and state that inboard buckle of safety belt 125 engages, the part from an end of safety strap 120 to tongue 123 constitutes shoulder hamess 126, and in addition, 122 part constitutes pelvic restraint 127 from tongue 123 to adapter plate.Under the state after shoulder tightening device 140 work, the shoulder that is sitting in the occupant on the auto use chair 101 by shoulder hamess 126 constraints is to waist.In addition, under the state after 130 work of pinch waist device, be sitting in the occupant's on the auto use chair 101 waist by pelvic restraint 127 constraints.
Like Figure 20 and Figure 23～shown in Figure 26, pinch waist device 130 has: cylinder barrel 131; Piston 132, it is arranged in the cylinder barrel 131 and can slides, and it lights gas generant and mobile under the gas pressure that produces at gas generator 133.In addition, piston 132 is equivalent to moving-member.
With respect to vehicle body, pinch waist device 130 is arranged to be parallel to the state in axle center of lead and the cylinder barrel 131 of cable 128A, 128B, and cylinder barrel 131 is arranged to the state that can move along the axis direction of pinch waist device 130.This pinch waist device 130 is being fixed on the auto use chair 101 below the Chain cushion 103.
Like Figure 23～shown in Figure 25, gas generator 133 is arranged on the outside of cylinder barrel 131, is used for a large amount of gas of mobile piston 132 by its generation.The structure of the known gas generator 133 of people, its set inside have the gas generant (gunpowder) that is used for producing gas, and it is provided with the ignition part (not shown) that is used for lighting this gas generant.
In addition, shown in figure 26, also can gas generator 133 be arranged in the cylinder barrel 131.In pinch waist device 130 shown in Figure 26, gas generator 133 is arranged on the piston 132.One side of the large-diameter portion 134 of piston 132 and interior axle moving contact cylinder barrel 131 is provided with cable fixed part 135, and cable 128A card ends above that.Large-diameter portion 134 forms tubular, and gas generator 133 is inserted and secured on the large-diameter portion 134 from the opposite side sealing of large-diameter portion 134.
One side of the large-diameter portion 134 of piston 132 has air nozzle 136, and opposite side is equipped with cover 137, and it is used for preventing that gas generator 133 breaks away from.On the assigned position of cover 137, have through hole 138, drawing head 139 is connected on the gas generator 133 through this through hole 138.Be connected and also be connected with bump detecting sensor 150 on the wire harness 139a on the drawing head 139, when bump detecting sensor 150 detected the bump of vehicle, gas generator 133 made ignition part work and lights gas generant and produce a large amount of gas.These a large amount of gases improve the air pressure in the cylinder barrel 131 of a side of piston 132 through air nozzle 136.Along with the rising of air pressure, piston 112 moments generation is moved, and comes tow 128A and 128B like this.
Like Figure 20 and Figure 23～shown in Figure 27, the other end of cable 128A is connected on the piston 132 in the cylinder barrel 131 that is arranged on pinch waist device 130, and the other end of cable 128B is connected the end of cylinder barrel 131.In addition, also can the other end of cable 128A be connected the end of cylinder barrel 131, the other end with cable 128B is connected on the piston 132 simultaneously.
Like Figure 20 and shown in Figure 27; At cylinder barrel 131 and adapter plate 122; And the midway location of cylinder barrel 131 and inboard connecting element 124; Be respectively arranged with the cable guiding piece 170 (with reference to Figure 29) as the 1st changes direction end spare, they are used for cable 128A and the moving direction on overall width direction of 128B of conversion under cylinder barrel 131 and piston 132 effects respectively.In addition; Be provided with cable guiding piece 172 at cable guiding piece 170 and adapter plate 122 and cable guiding piece 170 and inboard connecting element 124; Its roughly cylindrical shape, being used for the running transform on the vehicle fore-and-aft direction of cable 128A and 128B is the vehicle above-below direction.
Next the action of pinch waist device 130 is described with reference to Figure 24 and Figure 25.
Like Figure 24 and shown in Figure 25, bump detecting sensor 150 detects bump and receives from the starting working during signal of control mechanism 160, lights gas generant by pinch waist device 130.Gas generant is lighted the back and is produced a large amount of gas by gas generator 133, and under the effect of this air pressure, 132 moments of piston move to prescribed direction in cylinder barrel 131.When piston 132 moved, its reaction force acts was in cylinder barrel 131, and piston 132 relatively moves with cylinder barrel 131 in opposite direction.
When piston 132 moves with cylinder barrel 131, be connected cable 128A and the almost power traction of the equal size of quilt simultaneously of cable 128B that is connected on the cylinder barrel 131 on the piston 132.Like this, the pelvic restraint 127 that is connected on cable 128A and the 128B tightens up under the effect of two cables 128A and 128B, constrains on the auto use chair 101 with the waist with the occupant.
Like Figure 21 and shown in Figure 22, shoulder tightening device 140 is arranged on the side plate 121a of vehicle front side of safety belt retractor 121.Shoulder tightening device 140 has gas generator 141, tooth bar 142, miniature gears 143.Gas generator 141 is received and is contained in the receipts dress space 145a that is arranged at housing 145 bottoms, behind the signal of starting working that receives from control mechanism 160, lights gas generant (gunpowder) and generation gas.Be provided with and receive the cylinder barrel 145b that extends along the vertical direction that dress space 145a is communicated with in the housing 145, it is positioned at receives the upside of adorning space 145a.In addition, tooth bar 142 is equivalent to moving-member.
Tooth bar 142 receipts are contained in the cylinder barrel 145b and can slide along the vertical direction, move to the top when its lower surface is born from the air pressure of gas generator 141, move to the assigned position of its top from common position.
Miniature gears 143 is bearing in axle drive shaft 121c and goes up and can rotate, and when tooth bar 142 moved to assigned position from common position, miniature gears 143 and tooth bar 142 meshed and to anticlockwise motion.Along with this rotation, spool 121b and also rotate in the same way with axle drive shaft 121c with miniature gears 143, thus on spool 121b, furl the shoulder hamess 126 of specified amount.
Next the action of shoulder tightening device 140 is described.
Bump detecting sensor 150 detects bump and receives from the starting working during signal of control mechanism 160, lights gas generant by shoulder tightening device 140.Gas generant is lighted the back and is produced a large amount of gas by gas generator 141, and under the effect of this air pressure, 142 moments of tooth bar move to the top.When this tooth bar 142 moved, miniature gears 143, spool 121b and axle drive shaft 121c be to anticlockwise motion, thereby on spool 121b, furl the shoulder hamess 126 of specified amount.Like this, shoulder hamess 126 is tightened up, and constrains on the auto use chair 101 to waist with the shoulder with the occupant.
Shown in figure 20, bump detecting sensor 150 is installed on the assigned position of vehicle, and vehicle bump takes place and when producing the deceleration/decel of drastic change, detects this deceleration/decel by it.It is made up of deceleration/decel (acceleration/accel) sensor.When bump detecting sensor 150 detects the deceleration/decel of drastic change of vehicle, when the positive bump of for example vehicle or side such as hit at collision, can be to control mechanism 160 output bump signals.In addition, bump detecting sensor 150 for example also can adopt deceleration/decel (acceleration/accel) sensor, contact pickup, rang sensor etc. can detect the various testing agencies of the bump of vehicle.
Control mechanism 160 for example by ECU formations such as (Electric Control Unit), has CPU, ROM, RAM etc.In addition, also be provided with time meter 161 in the control mechanism 160, it is used for the instrumentation signal output of will starting working and gives the shoulder tightening device 140 back elapsed times.
Bump signal when input from bump detecting sensor 150 arranged, by control mechanism 160 respectively to pinch waist device 130 with the shoulder tightening device the 140 outputs signal of starting working.Signal when input of starting working from control mechanism 160 arranged, and pinch waist device 130 is lighted gas generant respectively with shoulder tightening device 140, tightens up shoulder hamess and pelvic restraint with this.
[action]
The action of passenger restraint system when next collision happens being described according to Figure 28.
Shown in figure 28, this action control is taken on the auto use chair 101 of vehicle and is fastened one's safety belt and began in 120 o'clock from the occupant.
After this control beginning, in step S101, judge the bump signal input that has or not from bump detecting sensor 150 by control mechanism 160.Promptly; In step S101; If be judged as bump signal when input (S101: be), get into step S102, by control mechanism 160 starting time meter 161 (with reference to Figure 20) when signal is started working in 140 outputs of shoulder tightening device from bump detecting sensor 150.Yet, in step S101, if be judged as (S101: not),, carry out judgement and wait among the step S101 repeatedly when not importing until the bump signal input that has from bump detecting sensor 150 from the bump signal of bump detecting sensor 150.
Above-mentioned steps S102 finishes the back and gets into step S103.In step S103, when the signal of starting working of S102 output is imported in steps, light gas generant by shoulder tightening device 140.Gas generant is lighted the back and is produced a large amount of gas by gas generator 141, and 142 moments of tooth bar move to the top.Like this, on spool 121b, furl the shoulder hamess 126 of specified amount and tighten up shoulder hamess 126.When shoulder hamess 126 is tightened up, can occupant's shoulder be constrained in (with reference to Figure 21 and Figure 22) on the auto use chair 101 to waist.
Above-mentioned steps S103 finishes the back and gets into step S104.In step S104, judge by control mechanism 160 whether the timing time of the time meter 161 that in step S102, starts has passed through 4ms.That is, in step S104, if when the timing time that control mechanism 160 is judged as time meter 161 has passed through 4ms (S104: be), get into step S105, by control mechanism 160 to the pinch waist device 130 outputs signal of starting working.Yet in step S104, (S104: not), the timing time process 4ms until time meter 161 did not carry out judgement and wait among the step S104 repeatedly when the timing time of time meter 161 passed through 4ms if control mechanism 160 is judged as.
Above-mentioned steps S105 finishes the back and gets into step S106.In step S106, when the signal of starting working of S105 output is imported in steps, light gas generant by pinch waist device 130.Gas generant is lighted the back and is produced a large amount of gas by gas generator 133, and under the effect of this air pressure, 132 moments of piston move to prescribed direction in cylinder barrel 131.Like this, piston 132 relatively moves in opposite direction with cylinder barrel 131 and tightens up pelvic restraint 127.When pelvic restraint 127 is tightened up, can occupant's waist be constrained on the auto use chair 101 (with reference to Figure 20 and Figure 23～Figure 26).
In addition, in this embodiment, after shoulder tightening device 140 is started working, when the acceleration/accel a reference value during collision happens is 40G (MAX), be set at 4ms the delay time when pinch waist device 130 is started working.But, also can above-mentioned delay time of appropriate change and set.
Specifically, preferably after shoulder tightening device 140 is started working through 3～5ms between, pinch waist device 130 is started working.
After the inventor started working to shoulder tightening device 140, the best time (i.e. " delay time ") that the time that pinch waist device 130 is started working postpones tested, and has obtained experimental result shown in Figure 35.
The amount of tightening up of the pelvic restraint 127 that is tightened up by pinch waist device 130 when the longitudinal axis shown in Figure 35 is represented collision happens, transverse axis represent that shoulder tightening device 140 starts working the delay time of back when pinch waist device 130 is started working.
Shown in figure 35, be between 2ms～3ms in delay time, the amount of tightening up of the pelvic restraint 127 that is tightened up by pinch waist device 130 sharply rises, and reaches maxim during for 4ms in delay time.And be between 4ms～5ms in delay time, the amount of tightening up of pelvic restraint 127 slowly descends, and when surpass 5ms delay time, sharply reduces.
Like this; Can expect following situation: when before pinch waist device 130 not being started working through 3ms; Before the gap of shoulder hamess 126 is not fully tightened up by shoulder tightening device 140; Pinch waist device 130 is started working, therefore, can't fully tighten up pelvic restraint 127 by pinch waist device 130.
In addition; Also can expect following situation: when after surpassing 5ms, pinch waist device 130 being started working; In time before pinch waist device 130 begins to tighten up pelvic restraint 127, especially the occupant moves forward because of force of inertia when vehicle generation frontal collisions, even pinch waist device 130 is started working; Also can't use pelvic restraint 127 that the occupant is retrained on the seat well, can't fully tighten up pelvic restraint 127 by pinch waist device 130.
In view of the above, the inventor is enlightened as follows: in the time of will being set at 3ms～5ms delay time, and can be reliably on the seat with occupant restraint with shoulder hamess 126.
In addition, preferably will be set at 4ms delay time, at this moment, the amount of the tightening up maximum of the pelvic restraint 127 that tightens up by pinch waist device 130.
[effect]
As stated, when adopting the passenger restraint system 110 in this embodiment, when bump detecting sensor 150 detects the bump of vehicle, at first begin to tighten up shoulder hamess 126 by shoulder tightening device 140.Afterwards, again when 4ms, pinch waist device 130 is started working after starting working from shoulder tightening device 140.That is,, can reduce the real work length of shoulder hamess 126 for increasing the amount of tightening up that shoulder tightening device 140 tightens up shoulder hamess 126.Therefore, during collision happens, can improve shoulder hamess 126 and act on occupant's constrained force above the waist.
In addition, because after shoulder tightening device 140 tightened up shoulder hamess 126, pinch waist device 130 was started working, so can reduce its amount of tightening up.Therefore can improve the tightening force that pinch waist device 130 imposes on pelvic restraint 127.Therefore, during collision happens, can improve the constrained force that pelvic restraint 127 acts on occupant's waist.
Like this, when adopting the passenger restraint system in this embodiment, during collision happens, can eliminate the gap (slack) of safety strap fast with simple structure, thus can be reliably on the seat with occupant restraint.
Pinch waist device 130 has: cylinder barrel 131; Piston 132, it is arranged in the cylinder barrel 131, lights gas generant and moves under the effect of the air pressure that produces at gas generator 133.Shoulder tightening device 140 has: cylinder barrel 145b; Tooth bar 142, it is arranged in the cylinder barrel 145b, lights gas generant and moves under the effect of the air pressure that produces at gas generator 141.Shoulder hamess 126 is imposed tightening force because of moving of piston 132 and tooth bar 142 respectively with pelvic restraint 127.Therefore; Mobile according to what produce at gas pressure lower piston 132 and tooth bar 142; Shoulder hamess 126 and pelvic restraint 127 are in moment and tighten up under the situation of the amount of tightening up more greatly, thus during collision happens, can enough simple structure more reliably with occupant restraint on auto use chair 101.
Pinch waist device 130 is connected with inboard buckle of safety belt 125 with adapter plate 122 respectively, according to the signal of starting working of control mechanism 160 adapter plate 122 and inboard buckle of safety belt 125 is almost moved simultaneously, so that pelvic restraint 127 is imposed tightening force.Therefore; The adapter plate 122 of the overall width direction both sides that are positioned at auto use chair 101 is almost moved to the direction of occupant restraint with inboard buckle of safety belt 125 simultaneously; So during collision happens, can constrain in reliably on the auto use chair 101 with the waist of pelvic restraint 127 with the occupant.Wherein, above-mentioned pelvic restraint 127 cards end on said fixing plate 122, and the tongue 123 of the other end that is arranged on an end and the pelvic restraint 127 of above-mentioned shoulder hamess 126 engages with above-mentioned inboard buckle of safety belt 125 and the ability engagement release.
Because the auto use chair 101 among the present invention has above-mentioned passenger restraint system 110, so can obtain following auto use chair 101: during collision happens, can the occupant be retrained on the seat reliably.
< the 1st modified example >
Next the 1st modified example of the 2nd embodiment is described with reference to Figure 29～Figure 34.
In addition, compare with the auto use chair with this passenger restraint system with the passenger restraint system in above-mentioned the 2nd embodiment, Figure 29～the 1st modified example shown in Figure 34 has increased the Chain cushion mobile device.Because identical in addition other structures and the 2nd embodiment omitted its explanation so mark same reference numerals.
In addition, below shown in seat move with tightening device 230 because its structure and above-mentioned pinch waist device 130 is identical.So Figure 23～Figure 26 with reference to relevant pinch waist device 130 describes.
Like Figure 29～shown in Figure 32, the auto use chair 200 in the 1st modified example has passenger restraint system 110, Chain cushion mobile device 210.
Chain cushion mobile device 210 has: seat moves with tightening device 230, and it is an example of the 2nd propulsive effort generation part; Fixed support 246, it is an example of base rack; Chain cushion 203, it has the seat support 251 as an example of travel(l)ing rest.
Identical with the structure of pinch waist device 130, shown in Figure 23～26, seat moves with tightening device 230 to have: cylinder barrel 231; Piston 232, it is arranged in the cylinder barrel 231 and can slides, and it lights gas generant and mobile under the gas pressure that produces at gas generator 233.Bump detecting sensor 150 detects bump and receives from the starting working during signal of control mechanism 160, is moved with tightening device 230 by seat and lights gas generant and start working.In addition, move other structures with tightening device 230 for seat, since identical with the structure of pinch waist device 130, so omit its explanation.
Like Figure 29 and shown in Figure 30, seat moves with tightening device 230 and is fixed on the assigned position of bottom surface of seat support 251, compares with the cylinder barrel 131 of pinch waist device 130, and the former is arranged on more near vehicle front one side.Of the back, compare fixed support 246, because seat support 251 is along the setting of vehicle fore-and-aft direction, so seat moves with tightening device 230 moving with seat support 251.
In addition, seat moves and uses the position that is provided with of tightening device 230 to be: it and with the moving of seat support 251 time, can not contact with pinch waist device 130 above pinch waist device 130.
Like Figure 31 and shown in Figure 32, fixed support 246 is for roughly being flat-shaped part, and its setting is arranged on the slide rail 105 that is fixed on the vehicle body.On the assigned position on the vehicle fore-and-aft direction of fixed support 246, be provided with and supply slotting bolt that bolt 257 passes with through hole (omitting its diagram).
On the assigned position of a pair of fixed support 246; Be fixed with respectively as the cable 228A of the 2nd power transmission member and the end of 228B, this cable 228A and 228B be installed in seat move with on the cylinder barrel of tightening device 230 231 and the piston 232 (with reference to Figure 23～Figure 26).A pair of cable 228A and 228B are connected on cylinder barrel 231 and fixed support 246 and piston 232 and the fixed support 246 through cable guiding piece 270 and cable guiding piece 272 as the 2nd changes direction end spare.In addition, the structure of cable guiding piece 170 and cable guiding piece 172 is the same in the structure of cable guiding piece 270 and cable guiding piece 272 and the 2nd embodiment, so omit its explanation.
Assigned position in the side surface part of the pair of right and left support member 255 of seat support 251 is formed with the slotted hole 256 that extends along the vehicle fore-and-aft direction.Seat support 251 when the slotting bolt of bolt 257 insertion fixed supports 246 is tightened with screwing in through hole and the slotted hole 256 and with nut 258, can be installed in seat support 251 on the fixed support 246 under the state that is arranged between a pair of fixed support 246.Under 257 the state of tighting a bolt, this seat support 251 can move with respect to fixed support 246 on the vehicle fore-and-aft direction, and its moving range is a moving range between bolt 257 and the slotted hole 256.
In addition; On the assigned position of the vehicle front side of the support member 255 of seat support 251, be formed with axle 259; Seat support 251 is installed on the slide rail 105 through link 261, this link 261 be bearing in respectively the axle 259 be arranged on the slide rail 105 the axle 260 on and can rotate.Therefore, be installed at seat support 251 under the state of fixed support 246 and slide rail 105, when the rear side of seat support 151 on the vehicle fore-and-aft direction moves, form the state that the limit is moved the vehicle front one side rising edge of seat support 251.
Next explain that according to Figure 23～Figure 26, Figure 29～Figure 34 seat moves the action with tightening device 230.
Like Figure 23～Figure 26, Figure 29～shown in Figure 34, bump detecting sensor 150 detects bump and receives from the starting working during signal of control mechanism 160, is moved with tightening device 230 by seat and lights gas generant (with reference to Figure 20).Gas generant is lighted the back and is produced a large amount of gas by gas generator 233, and under the effect of this air pressure, 232 moments of piston move to prescribed direction in cylinder barrel 231.When piston 232 moved, its reaction force acts was in cylinder barrel 231, and cylinder barrel 231 relatively moves with piston 232 in opposite direction.
When cylinder barrel 231 moves with piston 232, be connected cable 228A and the almost power traction of the equal size of quilt simultaneously of cable 228B that is connected on the cylinder barrel 231 on the piston 232.Like this, move with tightening device 230 through seat and to be connected the seat support 251 on cable 228A and the 228B, its vehicle front side rises gradually and moves to rear view of vehicle side moment.Like this, during collision happens, because seat support 251 rearward moves, so the situation that the occupant sinks can weaken collision happens the time constrains in the binding effect on the auto use chair 200 thereby can improve with the occupant.In the 1st modified example, when seat support 251 rearward moves, because vehicle front side rises gradually, so the situation that the occupant sinks can weaken collision happens reliably the time.
In addition; In the 1st modified example; When bump detecting sensor 150 detects bump, make seat support 251 to the rear view of vehicle side shifting, but the present invention is not limited thereto; Also can detect bump back delay stipulated time in bump detecting sensor 150 and move seat support 251 according to the shape of auto use chair and occupant's situation such as physique.
In addition; In the 1st modified example, make seat support 251 when the rear view of vehicle side shifting, be the state that vehicle front side rising edge that the limit makes seat support 251 moves; But the present invention is not limited thereto, and it is moving that seat support 251 approximate horizontal ground is breakked away to rear view of vehicle.
Like this, when adopting the 1st modified example, when detecting the bump of vehicle, when the rear side of seat support 251 on the vehicle fore-and-aft direction moved, shoulder tightening device 140 was started working.After passing through specified time again, pinch waist device 130 is started working.Therefore, on the basis of the action effect that above-mentioned the 2nd embodiment is obtained, the situation that the occupant sinks in the time of weakening collision happens constrains in the binding effect on the auto use chair 200 so can significantly improve with the occupant.
< the 2nd modified example >
Next the 2nd modified example of the 2nd embodiment is described with reference to Figure 20, Figure 36 and Figure 37.Figure 36 and Figure 37 are the block diagrams of auto use chair of passenger restraint system of difference with tightening force of expression shoulder tightening device and pinch waist device.In addition, compare with the auto use chair with this passenger restraint system with the passenger restraint system in the 1st modified example of above-mentioned the 2nd embodiment, Figure 20, Figure 36 and the 2nd modified example shown in Figure 37 have increased output time and have confirmed mechanism.Because the 1st modified example of other structures and the 2nd embodiment is identical, omit its explanation so mark same reference numerals.Also have, what the arrow among Figure 36 and Figure 37 was illustrated respectively in safety strap under the tightening device effect tightens up direction and tightening force thereof.
Shown in figure 20; Control mechanism 160 has the output time of the output time of the signal that is used for confirming starting working and confirms mechanism 175; According to the difference of tightening force that is used for tightening up pelvic restraint 127 of tightening force and pinch waist device 130 that is used for tightening up shoulder hamess 126 of shoulder tightening device 140, confirm mechanism 175 confirm the to start working output time of signal by output time.
About the tightening force data of the tightening force and the pinch waist device 130 of shoulder tightening device 140, with (omitting its diagram) input of input mechanisms such as keyboard and be stored in advance in the storing mechanisms such as ROM (omitting its diagram) that are arranged in the control mechanism 160.
Difference according to the tightening force of tightening force that is stored in the shoulder tightening device 140 in the storing mechanism and pinch waist device 130; After bump detecting sensor 150 detects bump, confirm that by output time mechanism 175 confirms the delay time when signal is started working in output of shoulder tightening device 140 and pinch waist device 130 respectively.
For example; Shown in figure 36; The tightening force that is used for tightening up shoulder hamess 126 of shoulder tightening device 140; Less than pinch waist device 130 be used for tightening up the tightening force of pelvic restraint 127 time, can confirm mechanism 175 with being set at delay time of shoulder tightening device 140 0ms by output time, with being set at delay time of pinch waist device 130 specified time.
Like this, bump detecting sensor 150 (with reference to Figure 20) detect bump when, by control mechanism 160 to shoulder tightening device 140 export start working signal after confirming that by output time mechanism 175 (with reference to Figure 20) confirms delay time.Like this, shoulder tightening device 140 tightens up shoulder hamess 126 and eliminates its gap (slack).Afterwards, export the signal of starting working by control mechanism 160 to pinch waist device 130.Like this, pinch waist device 130 tightens up pelvic restraint 127.
In addition; Shown in figure 33; The tightening force that is used for tightening up shoulder hamess 126 of shoulder tightening device 140; Greater than pinch waist device 130 be used for tightening up the tightening force of pelvic restraint 127 time, can confirm mechanism 175 (with reference to Figure 20) with being set at delay time of pinch waist device 130 0ms by output time, with being set at delay time of shoulder tightening device 140 specified time (with reference to Figure 20).
Like this, bump detecting sensor 150 (with reference to Figure 20) detect bump when, by control mechanism 160 (with reference to Figure 20) to pinch waist device 130 export start working signal after confirming that by output time mechanism 175 confirms delay time.Like this, pinch waist device 130 tightens up shoulder hamess 127, constrains on the auto use chair 101 with the waist with the occupant.Afterwards, export the signal of starting working by control mechanism 160 to shoulder tightening device 140.Like this, shoulder tightening device 140 tightens up pelvic restraint 126.
Like this; When adopting the 2nd modified example; Since can be according to shoulder tightening device 140 and pinch waist device 130 tighten up the different of performance; It is different that tightening up of shoulder hamess 126 and pelvic restraint 127 constantly occurred, so during collision happens, can pass through shoulder hamess 126 and pelvic restraint 127 well with occupant restraint on the seat.
In above-mentioned the 2nd embodiment and the 1st modified example; Pinch waist device 130, shoulder tightening device 140 and seat move with tightening device 230; All adopted so-called gunpowder formula tightening device, but the present invention is not limited thereto, also can adopt the electrodynamic type tightening device.
In addition, shown in figure 20, also installing condition testing agency 180 can be set on passenger restraint system 110, it is used for detecting shoulder hamess 126 and ties up to occupant's installing condition on one's body with pelvic restraint 127.At this moment, also can confirm starting working constantly of pinch waist device 130 according to the installing condition of installing condition testing agency 180 detected shoulder hamesses 126 and pelvic restraint 127.
For example; Can be at the assigned position of auto use chair 101; Installation be used for detecting the amount of movement (seat position) that auto use chair 101 and slide rail 105 (with reference to Figure 20) relatively move the seat position sensor (below be called " SPS "; Omit its diagram), to detect the occupant's shoulder hamess 126 on one's body and the installing condition of pelvic restraint 127.Specifically; Testing result according to SPS; If be judged to be auto use chair 101 when being positioned at vehicle front side; Because shoulder hamess 126 is higher with occupant's degree of being adjacent to pelvic restraint 127, so can shoulder tightening device 140 back of starting working be set at 3ms the delay time when pinch waist device 130 is started working.
In addition, can be at the assigned position of auto use chair 101, the weight sensor that is used for detecting drive and passengers weight (body weight) (below be called " SWS ", omit its diagram) is installed, to detect the occupant's shoulder hamess 126 on one's body and the installing condition of pelvic restraint 127.Specifically; Occupant's datum body is reseted when being decided to be 70kg; According to the testing result of SWS, if be judged to be occupant's body weight when being 100kg, because this occupant is plentiful type physique; Thereby can expect that shoulder hamess 126 and pelvic restraint 127 are higher with occupant's degree of being adjacent to, so can shoulder tightening device 140 back of starting working be set at 3ms the delay time when pinch waist device 130 is started working.
Also have; Can also in car, be provided with can take be occupant's the photographic units such as video camera of image of safety strap; Obtain the image of regular installing condition in advance and with it as benchmark image, detect the installing condition of safety strap according to the difference between the image of this benchmark image and actual installing condition.Specifically, during the thicker clothes of occupant dress, because shoulder hamess 126 is lower with occupant's degree of being adjacent to, so can shoulder tightening device 140 back of starting working be set at 5ms the delay time when pinch waist device 130 is started working.On the contrary, when wearing thin clothes, because shoulder hamess 126 and occupant's degree of being adjacent to is higher, so can be with being set at 3ms above-mentioned delay time as if the occupant.
Therefore; Because can be according to the occupant's shoulder hamess 126 on one's body and the installing condition of pelvic restraint 127; Suitably confirm delay time that pinch waist device 130 is started working, therefore, on the basis of the action effect that above-mentioned the 2nd embodiment and the 1st modified example are obtained; During collision happens, can be more reliably on the seat with occupant restraint.
Also have, shown in figure 20, the impact testing agency 190 of the impact that is used for detecting vehicle can also be set on passenger restraint system 110.At this moment, according to the impact of the detected vehicle of impact testing agency, confirm starting working constantly of pinch waist device 130 by control mechanism 160.
When adopting said structure, for example, when the impact of vehicle is big; When for example collision happens acceleration/accel a reference value constantly being set at 40G (MAX); When its acceleration/accel is 50G, owing to need promptly to retrain with 120 couples of occupants of safety strap, so can be with being set at 3ms above-mentioned delay time.
Therefore; Because can be according to the size of the impact of vehicle; Suitably confirm delay time that pinch waist device 130 is started working, therefore, on the basis of the action effect that above-mentioned the 2nd embodiment and the 1st modified example are obtained; During collision happens, can be more reliably on the seat with occupant restraint.
In addition, shown in figure 20, also can impact testing agency 190 be arranged with the bump detecting sensor in 150 minutes, also can be also with impact testing agency 190 and bump detecting sensor 150.If impact testing agency 190 was arranged with the bump detecting sensor in 150 minutes; The same with bump detecting sensor 150 so, impact testing agency 190 also can adopt deceleration/decel (acceleration/accel) sensor, contact pickup, rang sensor etc. can detect the various testing agencies of the bump of vehicle.

Claims (25)

1. seat for vehicle, its structure is for being benchmark with occupant, the seat areal of support of taking portion during vehicle generation head-on crash can be moved, and it is characterized in that, has:
Base rack, it is a part of taking portion, is bearing in vehicle body one side of the vehicle;
Travel(l)ing rest, it can move with respect to above-mentioned base rack;
Propulsive effort generation part, its quantity are at least one, its work during vehicle generation head-on crash;
Power transmission member, its quantity are at least one, transmitting the propulsive effort of above-mentioned propulsive effort generation part,
In the above-mentioned propulsive effort generation part at least one and above-mentioned travel(l)ing rest are faced and are provided with,
The portion that faces in the face of above-mentioned propulsive effort generation part of above-mentioned travel(l)ing rest has recess or opening.
2. seat for vehicle according to claim 1 is characterized in that,
Above-mentioned propulsive effort generation part comprises the 1st propulsive effort generation part,
Above-mentioned power transmission member comprises the 1st power transmission member, by said the 1st power transmission member the propulsive effort of above-mentioned the 1st propulsive effort generation part is passed to occupant protection system.
3. seat for vehicle according to claim 1 is characterized in that,
Above-mentioned propulsive effort generation part comprises the 2nd propulsive effort generation part,
Above-mentioned power transmission member comprises the 2nd power transmission member; Transmit between above-mentioned base rack and above-mentioned travel(l)ing rest by the propulsive effort of said the 2nd power transmission member, so that above-mentioned travel(l)ing rest and above-mentioned base rack relatively move above-mentioned the 2nd propulsive effort generation part.
4. seat for vehicle according to claim 1 is characterized in that,
Above-mentioned propulsive effort generation part comprises the 1st propulsive effort generation part and the 2nd propulsive effort generation part,
Above-mentioned power transmission member comprises the 1st power transmission member and the 2nd power transfering part; Wherein, By said the 1st power transmission member the propulsive effort of above-mentioned the 1st propulsive effort generation part is passed to occupant protection system; Transmit between above-mentioned base rack and above-mentioned travel(l)ing rest by the propulsive effort of said the 2nd power transfering part, so that above-mentioned travel(l)ing rest and above-mentioned base rack relatively move above-mentioned the 2nd propulsive effort generation part.
5. seat for vehicle according to claim 1 is characterized in that,
Above-mentioned propulsive effort generation part comprises:
The 1st propulsive effort generation part, it makes contractive action during vehicle generation head-on crash, and on its part that does not move forward and backward when being installed on vehicle generation head-on crash, axis is towards the left and right directions setting;
The 2nd propulsive effort generation part, it makes contractive action during vehicle generation head-on crash, and it is installed on the above-mentioned travel(l)ing rest, and axis is towards the left and right directions setting,
Above-mentioned power transmission member comprises:
The 1st connecting strand is on its fixed plate and inboard buckle of safety belt that the end and the other end of above-mentioned the 1st propulsive effort generation part are connected to safety strap;
The 2nd connecting strand, the position that does not move forward and backward when an end of above-mentioned the 2nd propulsive effort generation part and the other end being connected vehicle generation head-on crash by it, this position also is the position that is positioned at said the 2nd propulsive effort generation part rear,
Above-mentioned the 2nd propulsive effort generation part is arranged on the top of above-mentioned the 1st propulsive effort generation part.
6. seat for vehicle according to claim 5 is characterized in that,
Above-mentioned the 2nd propulsive effort generation part is arranged on the place ahead of above-mentioned the 1st propulsive effort generation part.
7. seat for vehicle according to claim 5 is characterized in that,
The structure of above-mentioned travel(l)ing rest for respect to above-mentioned base rack when move at the rear, upwards lift the front portion of this travel(l)ing rest.
8. seat for vehicle according to claim 5 is characterized in that,
Above-mentioned the 1st propulsive effort generation part and above-mentioned the 2nd propulsive effort generation part have cylinder barrel and piston rod respectively, and each cylinder barrel is near a certain end setting in the left and right sides.
9. seat for vehicle according to claim 1 is characterized in that,
Above-mentioned travel(l)ing rest has: side stand, its be about each one; Disc holder, its through can manufacturing process and about above-mentioned the place ahead of each side stand of one they are coupled together,
Above-mentioned propulsive effort generation part is arranged on the above-mentioned travel(l)ing rest,
By above-mentioned power transmission member the propulsive effort of above-mentioned propulsive effort generation part is passed to the part beyond the above-mentioned travel(l)ing rest, so that this travel(l)ing rest moves with respect to above-mentioned base rack,
Above-mentioned seat for vehicle also has the changes direction end spare that is installed on the above-mentioned side stand, with the action direction of the power of changing above-mentioned power transmission member.
10. seat for vehicle according to claim 9 is characterized in that,
In the described seat for vehicle reinforcement feature is set, by its installation portion that connects above-mentioned changes direction end spare and other parts to reinforce this installation portion.
11. seat for vehicle according to claim 4 is characterized in that, has:
The 1st changes direction end spare, its setting of dividing right and left is with the action direction of the power of changing above-mentioned the 1st power transmission member;
Reinforcement feature, the above-mentioned changes direction end spare of dividing right and left and being provided with by its connection.
12. seat for vehicle according to claim 11 is characterized in that,
Above-mentioned the 1st changes direction end spare is arranged in the space of above-mentioned base rack below.
13. seat for vehicle according to claim 3 is characterized in that,
Above-mentioned travel(l)ing rest has bullport and link, and said bullport extends and guides moving of said travel(l)ing rest by this bullport towards fore-and-aft direction along the left and right sides sidewall of said travel(l)ing rest, connects the left and right sides sidewall of said travel(l)ing rest by said link,
The both ends of above-mentioned link be connected above-mentioned bullport above or below.
14. seat for vehicle according to claim 13 is characterized in that,
Have installing component, it engages with the left and right sides sidewall of above-mentioned base rack respectively,
Said installing component had both interted in above-mentioned bullport, and above-mentioned power transmission member also is connected on this installing component.
15. seat for vehicle according to claim 13 is characterized in that,
Above-mentioned link is warp architecture, the intermediate portion than both ends away from the occupant.
16. seat for vehicle according to claim 1 is characterized in that,
For the above-mentioned portion of taking is installed on the vehicle body of the above-mentioned vehicle, have:
The mounting support frame, its above-mentioned take portion below be located at the left and right sides that this takes portion;
Height adjustment is used attaching parts, its quantity be about each one, it not only is connected on the above-mentioned mounting support frame of the left and right sides and can rotates, but also is connected on the above-mentioned base rack and can rotates;
Link is used connecting rod by each above-mentioned height adjustment of one about its connection,
Above-mentioned link is arranged on the below of the motion track of above-mentioned travel(l)ing rest.
17. seat for vehicle according to claim 16 is characterized in that,
Have:
The the 1st and the 2nd propulsive effort generation part, its work during vehicle generation head-on crash;
The 1st power transmission member passes to safety strap to tighten up this safety strap by its propulsive effort with above-mentioned the 1st propulsive effort generation part;
The 1st changes direction end spare, it is arranged on the left and right sides of above-mentioned the 1st propulsive effort generation part, with the action direction of the power of changing above-mentioned the 1st power transmission member;
The 2nd power transmission member is transmitted between above-mentioned base rack and above-mentioned travel(l)ing rest by its propulsive effort with above-mentioned the 2nd propulsive effort generation part, so that above-mentioned travel(l)ing rest and above-mentioned base rack relatively move;
The 2nd changes direction end spare, it is arranged on the left and right sides of above-mentioned the 2nd propulsive effort generation part, with the action direction of the power of changing above-mentioned the 2nd power transmission member,
On left and right directions, above-mentioned the 2nd changes direction end spare is arranged on the inboard of above-mentioned the 1st changes direction end spare.
18. seat for vehicle according to claim 3 is characterized in that,
Has seat areal of support position regulating member; The one of which end is connected on the above-mentioned travel(l)ing rest and can rotates, and the other end is connected on the above-mentioned base rack and can rotates, when above-mentioned travel(l)ing rest moves with respect to above-mentioned base rack; This seat areal of support position regulating member rotates
This seat areal of support position regulating member is arranged between the sidewall of sidewall and above-mentioned travel(l)ing rest of above-mentioned base rack.
19. seat for vehicle according to claim 18 is characterized in that,
Above-mentioned power transmission member extends along fore-and-aft direction between the sidewall of the sidewall of above-mentioned base rack and above-mentioned travel(l)ing rest and is provided with.
20. seat for vehicle according to claim 18 is characterized in that,
The sidewall of above-mentioned travel(l)ing rest, the part that itself and above-mentioned power transmission member or above-mentioned seat areal of support position regulating member are faced has rising wood and lower edge and the spill that forms.
21. seat for vehicle according to claim 18 is characterized in that,
The sidewall of above-mentioned base rack, the part that itself and above-mentioned power transmission member or above-mentioned seat areal of support position regulating member are faced has rising wood and lower edge and the spill that forms.
22. seat for vehicle according to claim 2 is characterized in that,
Above-mentioned occupant protection system is a safety strap, has: shoulder hamess, and the shoulder that rides in the occupant on the seat by its constraint is to waist; Pelvic restraint retrains above-mentioned occupant's waist by it,
Above-mentioned the 1st propulsive effort generation part is the pinch waist device that imposes tightening force to pelvic restraint,
Above-mentioned used for vehicle safety strap also has:
The shoulder tightening device imposes tightening force by it to above-mentioned shoulder hamess;
Whether impact detection mechanism detects vehicle by it and bumps;
Control setup, above-mentioned impact detection mechanism detects when bumping, and said control setup is respectively to above-mentioned shoulder tightening device and the output of the above-mentioned pinch waist device signal of starting working;
Output time is confirmed portion; It is arranged in the above-mentioned control setup; It tightens up the tightening force of above-mentioned pelvic restraint according to the tightening force that is tightened up above-mentioned shoulder hamess by above-mentioned shoulder tightening device with by above-mentioned pinch waist device, confirms the output time of the above-mentioned signal of starting working
Above-mentioned shoulder tightening device and above-mentioned pinch waist device are confirmed the above-mentioned signal of starting working that portion confirms according to above-mentioned output time, impose tightening force to above-mentioned shoulder hamess and above-mentioned pelvic restraint respectively.
23. seat for vehicle according to claim 2 is characterized in that,
Above-mentioned occupant protection system is a safety strap, has: shoulder hamess, and the shoulder that rides in the occupant on the seat by its constraint is to waist; Pelvic restraint retrains above-mentioned occupant's waist by it,
Above-mentioned the 1st propulsive effort generation part is the pinch waist device that imposes tightening force to pelvic restraint,
Above-mentioned used for vehicle safety strap also has:
The shoulder tightening device imposes tightening force by it to above-mentioned shoulder hamess;
Whether impact detection mechanism detects vehicle by it and bumps;
Control setup, above-mentioned impact detection mechanism detects when bumping, and said control setup is respectively to above-mentioned shoulder tightening device and the output of the above-mentioned pinch waist device signal of starting working,
Above-mentioned shoulder tightening device imposes tightening force according to the above-mentioned signal of starting working to above-mentioned shoulder hamess,
After above-mentioned shoulder tightening device was started working, above-mentioned pinch waist device imposed tightening force according to the above-mentioned signal of starting working to above-mentioned pelvic restraint.
24. seat for vehicle according to claim 22 is characterized in that,
Above-mentioned occupant protection system also has installing condition testing agency, detects above-mentioned shoulder hamess and above-mentioned pelvic restraint ties up to above-mentioned occupant state on one's body by it,
According to detected above-mentioned shoulder hamess of this installing condition testing agency and above-mentioned pelvic restraint installing condition, confirm the moment that above-mentioned pinch waist device is started working by above-mentioned control setup.
25. seat for vehicle according to claim 23 is characterized in that,
Above-mentioned occupant protection system also has installing condition testing agency, detects above-mentioned shoulder hamess and above-mentioned pelvic restraint ties up to above-mentioned occupant state on one's body by it,
According to detected above-mentioned shoulder hamess of this installing condition testing agency and above-mentioned pelvic restraint installing condition, confirm the moment that above-mentioned pinch waist device is started working by above-mentioned control setup.
CN2010800223141A 2009-05-22 2010-05-21 Vehicle seat Pending CN102438859A (en)

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JP2009-124034 2009-05-22
JP2009124034A JP2010269719A (en) 2009-05-22 2009-05-22 Vehicle seat
JP2009139672A JP2010285046A (en) 2009-06-10 2009-06-10 Vehicle seat
JP2009-139665 2009-06-10
JP2009-139670 2009-06-10
JP2009-139690 2009-06-10
JP2009139369A JP2010285026A (en) 2009-06-10 2009-06-10 Vehicle seat
JP2009139384A JP2010285029A (en) 2009-06-10 2009-06-10 Vehicle seat
JP2009139673A JP5457728B2 (en) 2009-06-10 2009-06-10 Vehicle seat
JP2009-139672 2009-06-10
JP2009139670A JP2010285044A (en) 2009-06-10 2009-06-10 Vehicle seat
JP2009139690A JP5436947B2 (en) 2009-06-10 2009-06-10 Occupant restraint device and vehicle seat equipped with occupant restraint device
JP2009-139369 2009-06-10
JP2009-139384 2009-06-10
JP2009-139673 2009-06-10
JP2009139665A JP2010285043A (en) 2009-06-10 2009-06-10 Vehicle seat
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CN114523889A (en) * 2017-03-24 2022-05-24 提爱思科技股份有限公司 Vehicle seat
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Application publication date: 20120502