CN100500483C - Setting device of waist safety belt pre-tightening structure - Google Patents
Setting device of waist safety belt pre-tightening structure Download PDFInfo
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- CN100500483C CN100500483C CNB2006100046392A CN200610004639A CN100500483C CN 100500483 C CN100500483 C CN 100500483C CN B2006100046392 A CNB2006100046392 A CN B2006100046392A CN 200610004639 A CN200610004639 A CN 200610004639A CN 100500483 C CN100500483 C CN 100500483C
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- preloader
- pelvic restraint
- longeron
- crossbeam
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Abstract
The present invention provides an arrangement structure of a lap outer pretensioner, restraining the influence of a cabin or the like upon the space in a vehicle as much as possible while keeping the supporting rigidity. This arrangement structure includes: a pair of right and left side sills 13; a lap belt 5 for constraining the waist of an occupant seated in a seat; and a lap outer pretensioner 10 connected to the end of the lap belt 5 and driven in the direction of fastening the lap belt 5 when a collision of the vehicle is detected. The lap outer pretensioner is disposed in the side on the cabin side in the side sill 13. The side sill 13 where the lap outer pretensioner 10 is disposed is provided with a housing recessed part 18 formed by recessing the side on the cabin side outward in the car width direction. At least part of the lap outer pretensioner 10 is disposed in the housing recessed part 18.
Description
Technical field
The present invention relates to a kind of, the end of pelvic restraint that is seated at occupant's waist of seat with constraint is connected, produce to collide or predict vehicle and might produce when colliding when detecting vehicle, on vehicle body, structure is set to furling pelvic restraint preloader that direction drives above-mentioned pelvic restraint.Particularly, the present invention relates to the be provided with structure of above-mentioned pelvic restraint preloader with respect to longeron.
Background technology
Usually, automobile is provided with, when automobile take place to collide or rolls etc., by the seat safety belt apparatus of occupant restraint health to protect it to avoid colliding etc.This seat safety belt apparatus generally comprises, and is set in place on the center stanchion of seat side, furls the taking-up device (winding up apparatus for safety belt) of seatbelt; To remain on the upper fixing element (upper anchor) of vehicle body top one side from the seatbelt that above-mentioned taking-up device is pulled out; The front end of the seatbelt that above-mentioned upper fixing element kept is remained on the following connecting element (lower anchor) of vehicle body below one side; On the seatbelt between above-mentioned upper fixing element and the following connecting element, sliding, and having the tongue piece (tongue) that seatbelt is divided into the sliding guidance parts of shoulder hamess and pelvic restraint; Be arranged on and the above-mentioned taking-up device or the following seat edge portion of a side of the set position opposite of connecting element with respect to seat, above-mentioned tongue piece dismounting embeds eye-splice (buckle) wherein possibly.
In recent years, at above-mentioned seat safety belt apparatus, exploitation seat safety pretension device in vogue, take place to collide or predict that automobile will collide etc. and detect under the situation of certain deceleration detecting automobile, the application force that utilizes spring or gunpowder gives seatbelt certain tensile force to furling direction drive seat seat belt with this.Above-mentioned seat safety pretension device comprises being installed in down connecting element one side and being connected with pelvic restraint, and to furling the pelvic restraint preloader that direction drives this pelvic restraint.In addition, in above-mentioned pelvic restraint preloader, following that structure is set is in the majority to adopt.For example, gunpowder formula pelvic restraint preloader, be elongated tubular, after coating member in the past has been installed, lateral location in seat, promptly on the side of car chamber one side of the longeron that extends along the vehicle body fore-and-aft direction, (disclosing communique 2004-359028 number with reference to Japanese Patent) is set with its axis direction and the corresponding to state of vehicle body fore-and-aft direction.
As adopt the structure that is provided with of disclosed pelvic restraint preloader in open communique 2004-359028 number of the above-mentioned Japanese Patent, after on the pelvic restraint preloader coating member being installed, have high stiffness parts with what the pelvic restraint preloader was installed in vehicle body, be on the side of longeron, can improve the supporting rigidity of pelvic restraint preloader thus, but the pelvic restraint preloader is also side-prominent to car chamber one thus, so producing, the vehicle installing components such as support unit of this protrusion branch and seat interfere, perhaps can in the occupant's who is seated at seat foot well, be passed in and out etc., thereby the vehicle inside space is produced harmful effect etc.
Particularly in recent years, be not only full size vehicle, and dilly also trends towards carrying above-mentioned pelvic restraint preloader.When dilly was provided with above-mentioned pelvic restraint preloader, it is more narrow that the vehicle inside space will become, and at this moment, the influence that this pelvic restraint preloader is produced vehicle inner spaces such as foot wells is compared with full size vehicle, can further increase.
Summary of the invention
In view of the foregoing, the object of the present invention is to provide a kind ofly when keeping supporting rigidity, can suppress the structure that is provided with of pelvic restraint preloader that vehicle inner spaces such as car chamber are exerted an influence as much as possible.
Pelvic restraint preloader involved in the present invention structure is set, comprise that the vertical fine strain of millet of pair of right and left is extended along the fore-and-aft direction of vehicle body, and should be vertical fine strain of millet with the section bearing of trend quadrature be closed sectional; Pelvic restraint retrains the occupant's waist that is seated at seat; The pelvic restraint preloader is connected with the end of above-mentioned pelvic restraint, drives above-mentioned pelvic restraint to furling direction under the situation of the deceleration that detects regulation; This pelvic restraint preloader, be arranged on the side that is positioned at car chamber one side of longeron of at least one side among the above-mentioned a pair of longeron, be provided with the longeron of above-mentioned pelvic restraint preloader, the side of its car chamber one side is formed with the recess of accommodating to overall width direction outside depression, and at least a portion of above-mentioned pelvic restraint preloader is positioned at this and accommodates recess.
Adopt the present invention, owing to be provided with the longeron of pelvic restraint preloader, the side of its car chamber one side is formed with the recess of accommodating to overall width direction outside depression, and at least a portion of pelvic restraint preloader is positioned at this and accommodates recess, therefore, the pelvic restraint preloader can be reduced or eliminated to the side-prominent overhang in car chamber one, thereby the setting of this pelvic restraint preloader can be suppressed as much as possible and influence that the vehicle interior space is produced.And, produce depression by the side that makes longeron and forms and accommodate recess, so can improve the intensity of this longeron.In addition, vertical fine strain of millet pass through be provided with the pelvic restraint preloader, so the supporting rigidity of this preloader is improved also in the above-mentioned position that recess is improved rigidity of accommodating.So, when vehicle take place to collide or rolls etc., even collide load act on above-mentioned pelvic restraint preloader bonded assembly pelvic restraint on, also pelvic restraint can be firmly held on the pelvic restraint preloader, the function of this preloader is brought into play to greatest extent.
In the present invention, concrete structure to peripheral part of being provided with the pelvic restraint preloader does not limit especially, wherein comparatively it is desirable to, be provided with along the overall width direction and extend, the crossbeam that its two ends engage with above-mentioned longeron, recess is accommodated or above-mentioned position of accommodating rear one side of recess engages with above-mentioned in the end that is positioned at the overall width direction on this crossbeam.
Adopt said structure, by above-mentioned crossbeam, can further improve near the rigidity at the position of accommodating recess or accommodating recess, the supporting rigidity of pelvic restraint preloader also can be further enhanced thus.So pelvic restraint can be firmly held in more on the above-mentioned pelvic restraint preloader, simultaneously the function of this preloader be brought into play to greatest extent.
Comparatively it is desirable in said structure, two ends of above-mentioned crossbeam are side-prominent with the formation protrusion before vehicle body, and this protrusion engages with the above-mentioned recess of accommodating.
Adopt said structure,, can improve the rigidity of crossbeam, can further improve the rigidity of accommodating recess that is arranged on the longeron simultaneously by protrusion is set.So the supporting rigidity of above-mentioned pelvic restraint preloader can be further enhanced.And, pelvic restraint can be firmly held in more on the above-mentioned pelvic restraint preloader, simultaneously the function of this preloader is brought into play to greatest extent.
In addition, comparatively it is desirable in said structure, the rear that is positioned at above-mentioned protrusion of above-mentioned crossbeam can be provided with datum hole, when carrying out conveyor line manufacturing production, can insert locating dowel pin in this datum hole, carries out the location of vehicle body with this.
That is, when making above-mentioned vehicle, vehicle body transmits on conveyor line usually, and with respect to the vehicle body that transmits on conveyor line, carries out welding, assembling operation etc. by various robots.Like this, when carrying out the conveyor line manufacturing and produce,, be necessary to position for the vehicle body that on conveyor line, transmits if when comprising the automatic operational sequence of carrying out automatic job.This positioning operation for example can make the locating dowel pin that is arranged on the conveyor line insert in the set datum hole in the regulation position of vehicle body, is carried out thus.So the said reference hole is necessary to be set on the parts with high stiffness of vehicle body, simultaneously according to different vehicles, the position that is provided with of datum hole also is subjected to a certain degree restriction, therefore at the position that is provided with in said reference hole, can determine the position that is provided with of crossbeam.So, at above-mentioned crossbeam, by protrusion is set, and the said reference hole is set at the position that is positioned at this protrusion rear of crossbeam, both can improve the supporting rigidity of pelvic restraint preloader, the said reference hole can be provided with again and go up in position.
When further above-mentioned crossbeam being set, comparatively it is desirable to, above-mentioned crossbeam, two ends of its overall width direction have the faying flange portion that engages with the side that is positioned at car chamber one side of longeron, and at least a portion of this faying flange portion is positioned at the recess of accommodating on the above-mentioned longeron.
Adopt said structure, can further improve the rigidity of accommodating recess and peripheral position thereof by faying flange portion, and the supporting rigidity of pelvic restraint preloader.
In these cases, above-mentioned pelvic restraint preloader can be at above-mentioned position of accommodating in the recess, promptly departs from the position of above-mentioned faying flange portion, is installed on the vertical fine strain of millet.But comparatively it is desirable to, above-mentioned pelvic restraint preloader is installed in above-mentioned and accommodates in the faying flange portion that recess combines.
Adopt said structure, can further improve the support rigidity of pelvic restraint preloader.
At this, be arranged on above-mentioned pelvic restraint preloader of accommodating in the recess, can adopt in the indoor structure of being opened of car, perhaps the structure that covered of the soft pad material by base pad etc.But comparatively it is desirable to, be arranged on above-mentioned pelvic restraint preloader of accommodating in the recess, the coating member by hard is covered.
Adopt said structure,, therefore can prevent effectively that this pelvic restraint preloader from sustaining damage, can make the pelvic restraint preloader bring into play the function of being expected simultaneously infalliblely because the pelvic restraint preloader is protected by coating member.
In the present invention, comparatively it is desirable to, above-mentioned pelvic restraint preloader between above-mentioned longeron and seat, is the bevelled state with respect to the fore-and-aft direction of vehicle body and is provided with the axis direction of this pelvic restraint preloader.In addition, the axis direction of said here pelvic restraint preloader is meant with to furl the pelvic restraint direction consistent, or the direction of basically identical.
Adopt said structure, owing on the fore-and-aft direction of vehicle body, be the pelvic restraint preloader of elongate, between above-mentioned longeron and seat, be the bevelled state with respect to the fore-and-aft direction of vehicle body and be provided with the axis direction of this pelvic restraint preloader.Therefore, can shorten the necessary space that is provided with on the fore-and-aft direction of vehicle as much as possible.So, on the fore-and-aft direction of vehicle, be difficult to guarantee also the pelvic restraint preloader can be set effectively by the compact car in space even the vehicle commander is relatively shorter.
At this moment, above-mentioned pelvic restraint preloader the position is set, as long as between above-mentioned longeron and seat, just there is no particular limitation.But comparatively it is desirable to, above-mentioned pelvic restraint preloader is arranged on the side that is positioned at car chamber one side of above-mentioned longeron, and is tilted along the vertical direction in the altitude range of this longeron.
Adopt said structure,, therefore can improve the supporting rigidity of this pelvic restraint preloader because the pelvic restraint preloader is installed on the longeron with high stiffness.So, when vehicle takes place to collide or rolls, even colliding load acts on the pelvic restraint that is connected with above-mentioned pelvic restraint preloader, this pelvic restraint also can remain on the above-mentioned pelvic restraint preloader infalliblely, simultaneously the function of preloader is brought into play to greatest extent.And, because the pelvic restraint preloader is tilted in the altitude range of longeron along the vertical direction, therefore the pelvic restraint preloader can be not outstanding from longeron on short transverse, the overhang of pelvic restraint preloader on the overall width direction also can be suppressed in addition, thereby be positioned at the space that becomes wasted space easily of longeron side, can be used effectively.
In the present invention, the concrete structure at peripheral position of pelvic restraint preloader is set, and there is no particular limitation, but comparatively it is desirable to, the crossbeam that engages with above-mentioned longeron along the extension of overall width direction and two ends can be set, above-mentioned pelvic restraint preloader is to the front lower place to the bevelled state, and its rear end portion is positioned at the top of above-mentioned crossbeam.
Adopt said structure, the pelvic restraint preloader can be arranged on crossbeam near, thereby can further improve the rigidity at the vehicle body position that is provided with above-mentioned preloader.Therefore, can further improve the supporting rigidity of waist safety belt pretensioner by longeron.So, pelvic restraint can be remained on more infalliblely on the above-mentioned pelvic restraint preloader, simultaneously the function of preloader is brought into play to greatest extent.
At this moment, above-mentioned crossbeam, it is positioned at two end edge portions of overall width direction, can with the state of longeron butt under, engage with vertical fine strain of millet by welding, but comparatively it is desirable to above-mentioned crossbeam, its both ends can have and the overlapping faying flange portion that engages of longeron, and above-mentioned pelvic restraint preloader is installed in this faying flange portion.
Adopt said structure, can further improve the rigidity at the position that is provided with the pelvic restraint preloader (longeron) of vehicle body by faying flange portion, and, therefore can further improve the supporting rigidity of this pelvic restraint preloader because the pelvic restraint preloader is installed in this faying flange portion.
In addition, comparatively it is desirable to, above-mentioned crossbeam, two end is formed with protrusion side-prominent before vehicle body, and what this moment was even more ideal is that the rearward end of above-mentioned pelvic restraint preloader is positioned at the top of this protrusion.
Adopt said structure, can improve the rigidity of crossbeam, also can improve the position that is provided with above-mentioned preloader of vehicle body and the rigidity at peripheral position thereof simultaneously by protrusion.So, as mentioned above, can improve the supporting rigidity of pelvic restraint preloader.And, pelvic restraint can be firmly held in more on the above-mentioned pelvic restraint preloader, can make the function of preloader be able to infallible, performance to greatest extent simultaneously.At this moment, be provided with under the situation of above-mentioned protrusion, compact car particularly, the difficult space that is provided with of guaranteeing the pelvic restraint preloader of meeting, but, as mentioned above, if the rearward end of pelvic restraint preloader is arranged on the top of protrusion, both can shorten the pelvic restraint preloader as much as possible and on the vehicle body fore-and-aft direction, the space size had been set, and can be with the setting of pelvic restraint preloader in position.
At this moment, comparatively it is desirable to, the rear that is positioned at protrusion of above-mentioned crossbeam can be provided with datum hole, when carrying out the conveyor line manufacturing and produce, and can insert locating dowel pin in this datum hole, carry out the location of vehicle body with this.
That is, when making above-mentioned vehicle, vehicle body transmits on conveyor line usually, and with respect to the vehicle body that transmits on conveyor line, carries out welding, assembling operation etc. by various robots.Like this, when carrying out the conveyor line manufacturing and produce,, be necessary to position for the vehicle body that on conveyor line, transmits if when comprising the automatic operational sequence of carrying out automatic job.This positioning operation for example can make the locating dowel pin that is arranged on the conveyor line insert in the set datum hole in the regulation position of vehicle body, is carried out thus.So the said reference hole is necessary to be set on the parts with high stiffness of vehicle body, simultaneously according to different vehicles, the position that is provided with of datum hole also is subjected to a certain degree restriction, therefore at the position that is provided with in said reference hole, can determine the position that is provided with of crossbeam.So pin is crossed above-mentioned crossbeam, by protrusion is set, and the said reference hole is set at the position that is positioned at this protrusion rear of crossbeam, both can improve the supporting rigidity of pelvic restraint preloader, the said reference hole can be provided with again and go up in position.
Description of drawings
Fig. 1 is that expression comprises the block diagram by an example of the related seat safety belt apparatus that the pelvic restraint preloader that structure is provided with is set of embodiments of the present invention.
Fig. 2 is the block diagram that structure is set of the related RO preloader of expression embodiments of the present invention.
Fig. 3 is the block diagram that structure is set of representing above-mentioned RO preloader in detail.
Fig. 4 is the lateral plan that structure is set of the above-mentioned RO preloader of expression.
Fig. 5 be the above-mentioned RO preloader of expression structure is set, the cutaway view under the state of coating member is installed, i.e. the V-V line cutaway view of Fig. 4 at the RO preloader.
Fig. 6 is the V1-V1 line cutaway view of Fig. 4.
Specific embodiments
Below, with reference to the accompanying drawings, comparatively desirable embodiment of the present invention is illustrated.Fig. 1 is the block diagram of roughly representing to comprise by the related seat safety belt apparatus that the pelvic restraint preloader that structure is provided with is set of embodiments of the present invention.In the present embodiment, it is vehicle at two row's seats before and after having, driver's seat 3 with front-row seats is that example is illustrated, and also can be suitable for the present invention but have vehicles of arranging seat or the above seat of three rows, comprises also applicable the present invention of seat of co pilot's seat.In addition, to being positioned at last row's seat in the various seats, in order to suppress that the inner space at this seat rear is exerted an influence, the structure that is provided with of the present invention also can be suitable for.
The auto use chair seat belt apparatus, be three-point seat belt mechanism, comprise that having constraint is seated at the shoulder hamess 4 of occupant's the shoulder of driver's seat (to call front chair in the following text) 3 and chest and retrains this occupant's belly and the seatbelt 6 of the pelvic restraint 5 of waist; Be set in place on the center stanchion of the side of front chair 3, furl the taking-up device 8 (winding up apparatus for safety belt) of seatbelt; To remain on the upper fixing element 9 of vehicle body top one side from the seatbelt 6 that above-mentioned taking-up device 8 is pulled out; The leading section of the seatbelt 6 (particularly being pelvic restraint 5) that above-mentioned upper fixing element 9 is kept remains on the pelvic restraint preloader 10 (hereinafter referred to as the RO preloader) of vehicle body below one side; The tongue piece 11 that is slided along the seatbelt 6 between upper fixing element 9 and RO preloader 10; Be located at the left side of front chair 3, the eye-splice 12 that tongue piece 11 dismounting are embedded freely.
In addition, the seatbelt 6 of present embodiment, constitute by shoulder hamess 4 and pelvic restraint 5, promptly by the integrally formed continuous safety strap of a ribbon fabric, the length of shoulder hamess 4 and pelvic restraint 5 can be by having the sliding guidance parts the position that is provided with of tongue piece regulate, but the leading section of shoulder hamess and pelvic restraint can be connected with tongue piece respectively, and above-mentioned thus two safety strap constitute the seatbelt of separate mode.Also can only use pelvic restraint to constitute seatbelt in addition.In addition, above-mentioned taking-up device 8, be provided with the load suppression gear (loadlimiter) (not shown) that restriction shoulder hamess 4 is pulled out rapidly, except that this load suppression gear, also can be arranged on vehicle takes place to collide when waiting, under the situation of the deceleration that detects regulation, by furling seatbelt 6, and give the preloader of the certain tensile force of safety strap.
As Fig. 2～shown in Figure 6, RO preloader 10, by mounting bracket 105,106, be installed in front chair 3 Hes, extend along the fore-and-aft direction of vehicle body, and and the section of this bearing of trend quadrature be between the pair of right and left longeron 13 of closed sectional, the medial surface (the inboard one side of the vehicle body of overall width direction) that particularly is mounted in longeron 13 is gone up set accommodating on the recess 18.At this, Fig. 2 is the block diagram that structure is set of the related RO preloader of expression embodiments of the present invention.Fig. 3 is the block diagram that structure is set of representing above-mentioned RO preloader in detail.Fig. 4 is the lateral plan that structure is set of the above-mentioned RO preloader of expression.Fig. 5 be the above-mentioned RO preloader of expression structure is set, the cutaway view under the state of aftermentioned coating member is installed, i.e. the V-V line cutaway view of Fig. 4 at the RO preloader.Fig. 6 is the V1-V1 line cutaway view of Fig. 4.
As Fig. 2 and shown in Figure 5, constitute the longeron 13 of vehicle body following side, mainly constitute by longeron outer panel 13a that extends along the vehicle body fore-and-aft direction and the longeron interior plate 13b that is arranged on car chamber one side of this longeron outer panel 13a, by above-mentioned outer panel 13a and interior plate 13b, the section with the bearing of trend quadrature of vertical fine strain of millet 13 is closed sectional 13c.
On the top of above-mentioned longeron 13, each bottom of center stanchion 7 and back prop 14 is engaged respectively.In addition, in the inside portion of longeron 13, each side end of base plate 15, the mounting bracket 16 that is used to install front chair 3, crossbeam 17 (the 3rd crossbeam) is engaged respectively.In the present embodiment, relevant above-mentioned member is as follows in the position of vehicle body fore-and-aft direction relation, than center stanchion 7 in forward a little position, the installation site of longeron 13, mounting bracket 16 engages with longeron 13, simultaneously center stanchion 7 in the installation site of longeron 13 and back prop 14 on the position between the installation site of longeron 13, crossbeam 17 engages with vertical fine strain of millet 13.
In addition, the side (medial surface) of car chamber one side of longeron 13 specifically, is the sidewall of the longeron interior plate 13b of cap shape section, as Fig. 3 and shown in Figure 5, produces depression to the overall width direction outside, forms along what the vehicle body fore-and-aft direction extended and accommodates recess 18.The above-mentioned recess 18 of accommodating is by the sidewall of the longeron interior plate 13b between mounting bracket 16 and crossbeam 17, keeps intact by the upper and lower of short transverse, and centre portion caves in into the structure that section roughly is the dish shape through punch process.This accommodates recess 18, is the shape of expanding gradually to opening edge portion from its bottom surface, so this accommodates the two side up and down that is positioned at short transverse of recess 18, constitutes to be echelon form bevelled inclined wall 181.In addition, the underside wall 182 that this accommodates recess 18 is positioned at the top of overall height direction at it, and is positioned at the position at the rear portion of vehicle body fore-and-aft direction, is equipped with the preloader mounting hole (not shown) that is used to install RO preloader 10.
The above-mentioned degree of depth of accommodating recess 18 in the present embodiment, is set at the about about 1/4th of above-mentioned cylinder bore diameter (with the length direction quadrature of RO preloader 10), and the above-mentioned degree of depth keeps certain in accommodating the whole length range of recess simultaneously.In addition, accommodate the width (length of overall height direction) of recess 18, greater than above-mentioned cylinder bore diameter (with the length direction quadrature of RO preloader 10), wherein comparatively it is desirable to above-mentioned cylinder bore diameter twice or more than.In the present embodiment, accommodate the maximum width of recess 18, be about three times of above-mentioned cylinder bore diameter, promptly the height of longeron 13 is only about half of.
As shown in Figure 2, crossbeam 17 extends along the overall width direction, and its two ends engage with longeron 13, and simultaneously, its lower end engages with base plate 15.Particularly, as Fig. 2, shown in Figure 6, crossbeam 17 comprises the main body of cross-beam 171 that extends along the overall width direction and two ends of the overall width direction that is positioned at this main body of cross-beam 171 and the crossbeam protrusion 172 (being equivalent to protrusion) that pleurapophysis is established before vehicle body.Two ends of the overall width direction of main body of cross-beam 171, near the above-mentioned position of accommodating recess 18 that is bonded on the medial surface that is positioned at longeron 13 by the 171a of faying flange portion (more specifically, be the position that being positioned at of longeron 13 accommodated recess 18 rears one side), simultaneously, crossbeam protrusion 172, its part is positioned at accommodates recess 18, and by the 172a of faying flange portion, 172b engages with the medial surface of base plate 15 and longeron 13 respectively.That is, crossbeam 17 at crossbeam protrusion 172, by the 172b of faying flange portion, makes the one partial engagement in accommodating recess 18.
More specifically, main body of cross-beam 171, the section of itself and length direction quadrature is the cap shape, and the 171a of faying flange portion of its lower end engages with base plate 15, and shown in two long and short dash lines among Fig. 2, its top is equipped with back seat 31.That is, above-mentioned back seat 31, from overlooking direction, the front-end edge portion of its front-end edge portion and main body of cross-beam 171 roughly is in same position.In addition, the upper wall surface in two ends of the length direction of main body of cross-beam 171 is provided with datum hole 173, and when the conveyor line manufacturing of carrying out above-mentioned vehicle was produced, this datum hole 173 can insert locating dowel pin and vehicle body is positioned.In other words, when making the vehicle of the above-mentioned type, vehicle body is loaded onto transmission at flowing water usually, and with respect to the vehicle body that transmits on conveyor line, carries out welding, assembling operation etc. by various robots.Like this, when carrying out the conveyor line manufacturing and produce,, be necessary to position for the vehicle body that on conveyor line, transmits if when comprising the automatic operational sequence of carrying out automatic job.For carrying out this location, can form the datum hole 173 that locating dowel pin set on the conveyor line (not shown) can be inserted at the upper wall surface of main body of cross-beam 171.Therefore, on above-mentioned crossbeam 17, crossbeam protrusion 172 is set, and on the upper wall surface of the main body of cross-beam 171 that is positioned at these crossbeam protrusion 172 rears, form datum hole 173, and both can improve the supporting rigidity of RO preloader 10 thus, datum hole 173 can be provided with in position again.
In addition, crossbeam protrusion 172, its upper wall surface to the front lower place to inclination, its interior sidewall surface (side wall surface of its overall width direction inboard) is along with extending to vehicle front and tilting to the overall width direction outside gradually simultaneously, and crossbeam protrusion 172 roughly is the shape that front end diminishes gradually on the vehicle body fore-and-aft direction like this.In addition, crossbeam protrusion 172, its lower end is provided with the 172a of faying flange portion that extends along base plate 15, is provided with along the 172b of faying flange portion of the medial surface extension of longeron 13 at its end edge portion with longeron 13 butts simultaneously.Express as Fig. 5, the above-mentioned 172b of faying flange portion that extends along the medial surface of longeron 13, give bending along the shape of accommodating recess 18, and two ends that are positioned at short transverse of the 172b of this faying flange portion, engage with vertical fine strain of millet 13 departing from the position of accommodating recess 18.
At this,, the structure that is provided with of the RO preloader 10 in the above-mentioned bottom section of body is specified with reference to Fig. 3 or Fig. 6.
The heeling condition of RO preloader 10, be in the amplitude peak scope of accommodating recess 18 of longeron 13 to the front lower place to the bevelled state.In addition, the rearward end of this RO preloader 10 is positioned at the top of upper wall surface of the crossbeam protrusion 172 of crossbeam 17, and extends along the upper wall surface of the crossbeam protrusion 172 of this crossbeam 17, and RO preloader 10 can be provided with on the vehicle body fore-and-aft direction effectively like this.In addition, there is no particular limitation for the length of the above-mentioned RO preloader 10 that is arranged at crossbeam protrusion 172 tops.
As shown in Figure 5, the above-mentioned RO preloader 10 that is arranged on the longeron 13, covered by hard coating member 20, this hard coating member 20 is made of metal sheet, hard resin etc., and accommodates the size of recess 18 and formed corresponding to formed on the longeron 13.That is, above-mentioned coating member 20, its width be greater than the width of accommodating recess 18, and roughly be " U " shape, the upper surface butt of its upper wall and longeron interior plate 13b, simultaneously its lower end edge portion with more be positioned at the medial surface butt of the longeron 13 of below than accommodating recess 18.Above-mentioned coating member 20 to cover the state of accommodating recess 18, is inlaid between mounting bracket 16 and the crossbeam 17, and RO preloader 10 just can be protected infalliblely like this.In addition, on above-mentioned coating member 20 and base plate 15, bedding has base plate decorative elements 21 such as car mat, to improve aesthetics.
As mentioned above, RO preloader 10 is arranged in the foot well of back seat 31.If adopt the structure that is provided with of above-mentioned RO preloader 10, on the longeron 13 that RO preloader 10 is installed, be formed with and accommodate recess 18, and RO preloader 10 is contained in this state of accommodating in the recess 18 with the part with its sidepiece and is arranged on the above-mentioned vertical fine strain of millet 13, therefore RO preloader 10 can reduce to car chamber one side-prominent overhang, thereby can suppress the setting of RO preloader 10 as much as possible and influence that the car chamber inner space is produced.So, adopting said structure, can suppress the occupant's that is seated at back seat 31 foot well is exerted an influence, can suppress RO preloader 10 simultaneously as much as possible and produce with other vehicle installing components and interfere.
And, owing to producing to cave in to form, the medial surface that makes longeron 13 accommodates recess 18, and make crossbeam 17, particularly crossbeam protrusion 172 is bonded on this and accommodates in the recess 18, therefore accommodating recess 18 can be used as reinforced rib (bead) and plays effect, can strengthen simultaneously the rigidity of longeron 13 by crossbeam 17, the rigidity of longeron 13 is greatly enhanced.In addition, because the overlapping position that is combined with the 172b of faying flange portion of crossbeam 17 in the recess 18 of accommodating at longeron 13 that rigidity is improved, therefore by mounting bracket 105 RO preloader 10 is installed, also can be improved longeron 13 and get with respect to the supporting rigidity of above-mentioned RO preloader 10.Like this, when vehicle takes place to collide or rolls, even colliding load acts on the pelvic restraint 5 that above-mentioned RO preloader 10 kept, can prevent effectively that also longeron 13 from producing distortion, thereby can keep the installing condition of RO preloader 10 infalliblely, and then can keep having the seatbelt 6 of pelvic restraint 5 infalliblely.In addition, owing to can keep the installing condition of RO preloader 10 infalliblely, so the function of this preloader 10 can obtain performance to greatest extent.
In addition, because RO preloader 10, be to the front lower place with respect to the fore-and-aft direction of vehicle body with its axis direction and be provided with, can shorten as much as possible that therefore this RO preloader 10 necessary spaces that are provided with being set on the vehicle fore-and-aft direction to the bevelled state.So, even bodywork length is lacked and is difficult to guarantee also RO preloader 10 can be set effectively by the compact car in space on the vehicle fore-and-aft direction.
And, since RO preloader 10 to the front lower place to inclination, and end thereafter, above the crossbeam protrusion 172 of crossbeam 17, upper surface with respect to longeron 13 can not given prominence to more upward, therefore can improve the degree of freedom of the topological design of crossbeam 17, can this crossbeam 17 be arranged on simultaneously infalliblely and accommodate in the recess 18 or near it, thereby improve the rigidity of longeron 13 effectively.
In addition, more than Shuo Ming RO preloader structure is set, relate to an embodiment of structure of the present invention, the concrete formations of this structure etc. in not breaking away from purport scope of the present invention, can be carried out suitable change.Below, the several distortion examples that change are illustrated.
(1) in the above-described embodiment, the formed degree of depth of accommodating recess 18 on the longeron 13, a part that is set at the sidepiece of RO preloader can be housed in this and accommodate in the recess 18, but also this degree of depth can be set at the whole of RO preloader or roughly integral body can be housed in and accommodate in the recess 18.In addition, in the above-described embodiment, the degree of depth of accommodating recess 18 is set at and roughly keeps certain on the vehicle body fore-and-aft direction, but also can shoal gradually along with extending to the front side of vehicle body or rear side or deepen.In a word, accommodate in the recess so long as the part of RO preloader 10 can be housed in, the concrete form of the above-mentioned degree of depth is unrestricted.
(2) in the above-described embodiment, RO preloader 10, be to the front lower place to the bevelled state with respect to the vehicle body fore-and-aft direction with its axis direction, be installed in and accommodate in the recess 18, but also can make RO preloader 10 with the horizontality setting, in addition, when being obliquely installed, not only can also can tilt to inclination or to the overall width direction to the front lower place to inclination to the back lower place.
Claims (13)
- A pelvic restraint preloader structure is set, it is characterized in that:Comprise that the longeron of pair of right and left extends along the fore-and-aft direction of vehicle body, and should be vertical fine strain of millet with the section bearing of trend quadrature be closed sectional;Pelvic restraint retrains the occupant's waist that is seated at seat;The pelvic restraint preloader is connected with the end of above-mentioned pelvic restraint, drives above-mentioned pelvic restraint to furling direction under the situation of the deceleration that detects regulation;Above-mentioned pelvic restraint preloader is arranged on the side that is positioned at car chamber one side of longeron of at least one side among the above-mentioned a pair of longeron,Be provided with the longeron of above-mentioned pelvic restraint preloader, the side of its car chamber one side is formed with the recess of accommodating to overall width direction outside depression,At least a portion of above-mentioned pelvic restraint preloader is positioned at this and accommodates recess.
- 2. pelvic restraint preloader according to claim 1 structure is set, it is characterized in that:Also comprise, extend along the overall width direction, the crossbeam that its two ends engage with above-mentioned longeron,Recess is accommodated or above-mentioned position of accommodating rear one side of recess engages with above-mentioned in the end that is positioned at the overall width direction of this crossbeam.
- 3. pelvic restraint preloader according to claim 2 structure is set, it is characterized in that:Above-mentioned crossbeam, two end are side-prominent with the formation protrusion before vehicle body,Above-mentioned protrusion engages with the above-mentioned recess of accommodating.
- 4. pelvic restraint preloader according to claim 3 structure is set, it is characterized in that:The rear that is positioned at above-mentioned protrusion of above-mentioned crossbeam is provided with datum hole, when carrying out conveyor line manufacturing production, can insert locating dowel pin in this datum hole, carries out the location of vehicle body with this.
- 5. pelvic restraint preloader according to claim 2 structure is set, it is characterized in that:Above-mentioned crossbeam, two ends of its overall width direction have the faying flange portion that engages with the side that is positioned at car chamber one side of longeron,At least a portion of this faying flange portion is positioned at the recess of accommodating of above-mentioned longeron.
- 6. pelvic restraint preloader according to claim 5 structure is set, it is characterized in that:Above-mentioned pelvic restraint preloader is installed in above-mentioned and accommodates in the faying flange portion that recess engages.
- 7. pelvic restraint preloader according to claim 1 structure is set, it is characterized in that:Be arranged on above-mentioned pelvic restraint preloader of accommodating in the recess, the coating member by hard is covered.
- 8. pelvic restraint preloader according to claim 1 structure is set, it is characterized in that:Above-mentioned pelvic restraint preloader between above-mentioned longeron and seat, is the bevelled state with respect to the fore-and-aft direction of vehicle body and is provided with the axis direction of this pelvic restraint preloader.
- 9. pelvic restraint preloader according to claim 8 structure is set, it is characterized in that:Above-mentioned pelvic restraint preloader is arranged on the side that is positioned at car chamber one side of above-mentioned longeron, and is tilted along the vertical direction in the altitude range of this longeron.
- 10. pelvic restraint preloader according to claim 8 structure is set, it is characterized in that:Also comprise, the crossbeam that engages with above-mentioned longeron along the extension of overall width direction and two ends,Above-mentioned pelvic restraint preloader is to the front lower place to the bevelled state, and its rear end portion is positioned at the top of above-mentioned crossbeam.
- 11. pelvic restraint preloader according to claim 10 structure is set, it is characterized in that:Above-mentioned crossbeam, its both ends have and the overlapping faying flange portion that engages of longeron,Above-mentioned pelvic restraint preloader is installed in this faying flange portion.
- 12. pelvic restraint preloader according to claim 10 structure is set, it is characterized in that:Above-mentioned crossbeam, two end is formed with protrusion side-prominent before vehicle body,The rearward end of above-mentioned pelvic restraint preloader is positioned at the top of this protrusion.
- 13. pelvic restraint preloader according to claim 12 structure is set, it is characterized in that:The rear that is positioned at above-mentioned protrusion of above-mentioned crossbeam is provided with datum hole, when carrying out conveyor line manufacturing production, can insert locating dowel pin in this datum hole, carries out the location of vehicle body with this.
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2005014438 | 2005-01-21 | ||
| JP2005014437 | 2005-01-21 | ||
| JP2005014437A JP4600051B2 (en) | 2005-01-21 | 2005-01-21 | Wrap outer pretensioner arrangement structure |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1810552A CN1810552A (en) | 2006-08-02 |
| CN100500483C true CN100500483C (en) | 2009-06-17 |
Family
ID=36843714
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNB2006100046392A Expired - Fee Related CN100500483C (en) | 2005-01-21 | 2006-01-23 | Setting device of waist safety belt pre-tightening structure |
Country Status (2)
| Country | Link |
|---|---|
| JP (1) | JP4600051B2 (en) |
| CN (1) | CN100500483C (en) |
Families Citing this family (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP5076789B2 (en) * | 2007-10-01 | 2012-11-21 | マツダ株式会社 | Lap outer pretensioner arrangement structure |
| US7651135B2 (en) | 2007-10-26 | 2010-01-26 | Mazda Motor Corporation | Occupant protection device of vehicle |
| JP2009107367A (en) * | 2007-10-26 | 2009-05-21 | Mazda Motor Corp | Occupant protection device of vehicle |
| DE102008057124B4 (en) * | 2008-11-13 | 2023-03-16 | Volkswagen Ag | Safety belt arrangement in motor vehicles |
| JP2014028601A (en) * | 2012-07-31 | 2014-02-13 | Takata Corp | Lap pretensioner device and seat belt device including the same |
| US9623836B2 (en) * | 2014-10-31 | 2017-04-18 | GM Global Technology Operations LLC | Pretensioner with guide loop or anchor |
| FR3042756B1 (en) * | 2015-10-22 | 2019-06-21 | Renault S.A.S. | VEHICLE COMPRISING AT LEAST ONE IMPROVED BELT PRETENSIONER |
| JP2017210211A (en) * | 2016-05-27 | 2017-11-30 | タカタ株式会社 | Seat Belt Device |
| JP2021133791A (en) * | 2020-02-26 | 2021-09-13 | トヨタ自動車株式会社 | Seat device for vehicle having lap pretensioner |
| DE102020206701B4 (en) * | 2020-05-28 | 2023-03-30 | Volkswagen Aktiengesellschaft | Safety device in a motor vehicle |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2002308045A (en) * | 2001-04-12 | 2002-10-23 | Takata Corp | Seat belt device |
-
2005
- 2005-01-21 JP JP2005014437A patent/JP4600051B2/en not_active Expired - Fee Related
-
2006
- 2006-01-23 CN CNB2006100046392A patent/CN100500483C/en not_active Expired - Fee Related
Also Published As
| Publication number | Publication date |
|---|---|
| CN1810552A (en) | 2006-08-02 |
| JP4600051B2 (en) | 2010-12-15 |
| JP2006199197A (en) | 2006-08-03 |
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