CN107000672A - Pedestrian airbag apparatus - Google Patents

Pedestrian airbag apparatus Download PDF

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Publication number
CN107000672A
CN107000672A CN201580060044.6A CN201580060044A CN107000672A CN 107000672 A CN107000672 A CN 107000672A CN 201580060044 A CN201580060044 A CN 201580060044A CN 107000672 A CN107000672 A CN 107000672A
Authority
CN
China
Prior art keywords
surface wall
pedestrian airbag
airbag apparatus
retainer housing
front surface
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.)
Granted
Application number
CN201580060044.6A
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Chinese (zh)
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CN107000672B (en
Inventor
杉本和隆
安部和宏
梅田秀树
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.)
Junsheng Security Systems Japan Contract Society
Original Assignee
Takata Corp
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
Application filed by Takata Corp filed Critical Takata Corp
Publication of CN107000672A publication Critical patent/CN107000672A/en
Application granted granted Critical
Publication of CN107000672B publication Critical patent/CN107000672B/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

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Classifications

    • BPERFORMING OPERATIONS; TRANSPORTING
    • B60VEHICLES IN GENERAL
    • B60RVEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISE PROVIDED FOR
    • B60R21/00Arrangements or fittings on vehicles for protecting or preventing injuries to occupants or pedestrians in case of accidents or other traffic risks
    • B60R21/34Protecting non-occupants of a vehicle, e.g. pedestrians

Abstract

The present invention provides a kind of pedestrian airbag apparatus, can suppress the expansion of the width of retainer housing when inflator works and expands air bag.Pedestrian airbag apparatus (10) possesses support member (20), retainer housing (30), air bag (40), inflator (50), lid (60) and bracket (70).Retainer housing (30) has bottom surface (31), front surface wall (32) and rear surface wall (33).Front surface wall (32) has lower part wall (32a), the extension (32b) stretched out forwards from the lower part wall (32a) and the top wall (32c) erected upward from the leading edge of extension (32b).

Description

Pedestrian airbag apparatus
Technical field
Stop that pedestrian waits (OK by making air bag along the appearance surface expansion near the front wall of vehicle body the present invention relates to a kind of People, people etc. of cycling) pedestrian airbag apparatus.Present invention is preferably related to a kind of front wall for being arranged on windshield lower end The pedestrian airbag apparatus in region, the pedestrian airbag is expanded in the way of covering at least bottom of windshield and A posts.
Background technology
As shown in fig. 7, pedestrian airbag apparatus is configured to by making the outer surface near front wall of the air bag 2 along automobile 1 swollen It is swollen to stop that pedestrian waits the people etc. of cycling (pedestrian).
When air bag 2 expands, hinder marginal part, front wall heat emission hole 4, windshield 5 and the A posts 6 of left and right of hood 3 are extremely Few bottom is covered by air bag 2.
The pedestrian airbag apparatus possesses:For storing the retainer housing for the air bag 2 being folded, for making air bag 2 swollen Swollen inflator and lid of closing housing etc..
Retainer housing is the housing of the long box-like extended in vehicle-body width direction.It is installed on as by retainer housing Show the damper shelf for left and right upper connecting rod being set up in engine room in structure on vehicle body, Figure 11 of patent document 1 The shell of airbag apparatus is fixed on to the structure of the upper surface of the upper connecting rod between the upper end of body and by bolt.
Patent document 1:Japanese Unexamined Patent Publication 2006-62488
When inflator work expands air bag, the width of the vehicle body fore-and-aft direction of retainer housing is (below, sometimes referred to as For the width of retainer housing) expand.Accordingly, it would be desirable to consider that retainer housing, configuration of circumferential component etc. are designed, so that Circumferential component will not also be impacted even if the width expansion of retainer housing.
A kind of pedestrian airbag apparatus, is arranged at the front region of the lower end of windshield, the pedestrian airbag after expansion At least bottom of windshield and A posts is covered, pedestrian airbag apparatus is approached with windshield lower end, also close with front wall portion. Due to the distinctive restriction of the loading position, the width of the vehicle fore-and-aft direction of retainer housing is small, and the vehicle of retainer housing is left The length of right direction is big.
Even if retainer housing is such a shape that is elongated, being unfavorable for deformation, also hardly allow deformation.
Additionally, it is preferred that it can not be used as the one-piece type reinforcing plate of hook in not immersing the pedestrian airbag apparatus of water Its equipment.
The content of the invention
It is an object of the invention to provide a kind of pedestrian airbag apparatus, inflator work can be suppressed and air bag is expanded When retainer housing width expansion.
The pedestrian airbag apparatus of first invention has:Support member, the upper shelf at the rear portion in engine room is located at Between the vehicle-body-side component of left and right;Retainer housing, is configured at the upside of the support member, extends along the support member, and install In the support member;Pedestrian airbag, is configured in the retainer housing with being folded;And inflator, for making the air bag swollen Swollen, the pedestrian airbag apparatus is characterised by, the retainer housing has the front surface wall towards vehicle front, before this In the way of the above-below direction of surface wall, with towards vehicle body fore-and-aft direction protrude and along retainer shell length direction extend stretching Go out portion.
In the one side of the first invention, the front surface wall has:Constitute the lower part wall of the bottom of the front surface wall;From The extension that the upper limb of the lower part wall extends forwards;And erected upward from the leading edge of the extension and constitute the preceding table The top wall on the top faced the wall and meditated.
In the another aspect of the first invention, the front surface wall has:Constitute the lower part wall of the bottom of the front surface wall; The extension rearward extended from the upper limb of the lower part wall;And erect and constitute before this upward from the trailing edge of the extension The top wall on the top of surface wall.
In the another aspect of the first invention, the extension is the bellying of the shape bloated towards front.
The pedestrian airbag apparatus of second invention has:Support member, the upper shelf at the rear portion in engine room is located at Between the vehicle-body-side component of left and right;Retainer housing, is configured at the upside of the support member, extends along the support member, and install In the support member;Pedestrian airbag, is configured in the retainer housing with being folded;And inflator, for making the air bag swollen Swollen, the pedestrian airbag apparatus is characterised by, the retainer housing has the front surface wall and direction towards vehicle front The rear surface wall at vehicle body rear, the retainer housing is linked by bracket with the support member, and the bracket has:It is bonded to The longitudinal slice of the front surface wall or rear surface wall;It is connected and is fixed on the upper surface of the support member with the lower edge of the longitudinal slice Transversal flaps;And the flange erected from the vehicle-body width direction both sides of the longitudinal slice and transversal flaps, in the longitudinal slice and transversal flaps The cross-shaped portion height that erects that nearby flange is erected from transversal flaps more leans on longitudinal slice side bigger.
In the one side of the second invention, the front surface wall has:Constitute the lower part wall of the bottom of the front surface wall;From The extension that the upper limb of the lower part wall extends forwards;And erected upward from the leading edge of the extension and constitute the front surface wall Top top wall, the longitudinal slice of the bracket is bonded to the top wall.
The pedestrian airbag apparatus of 3rd invention has:Support member, the upper shelf at the rear portion in engine room is located at Between the vehicle-body-side component of left and right;Retainer housing, is configured at the upside of the support member, extends along the support member, and install In the support member;Pedestrian airbag, is configured in the retainer housing with being folded;And inflator, for making the air bag swollen Swollen, the pedestrian airbag apparatus is characterised by, the retainer housing has the front surface wall and direction towards vehicle front Among the rear surface wall at vehicle body rear, the front surface wall and rear surface wall at least front surface wall by bracket with the supporting part Part links, and multiple brackets are configured with the central portion of the vehicle body left and right directions of the retainer housing and its neighbouring region, should At least one in bracket is configured near the central portion.
In the 3rd invention, it is preferred that the length for being configured with the vehicle body left and right directions in the region of the bracket is The length of vehicle body left and right directions near less than the 50% of the total length of the vehicle body left and right directions of retainer housing, the central portion is Less than the 20% of the total length of the vehicle body left and right directions of retainer housing.
In addition, in the 3rd invention, it is preferred that at least front surface wall is above and below it among front surface wall and rear surface wall There is the extension for protruding and extending along retainer shell length direction towards vehicle body fore-and-aft direction in the way in direction.
The pedestrian airbag apparatus of 4th invention has:Support member, the upper shelf at the rear portion in engine room is located at Between the vehicle-body-side component of left and right;Retainer housing, is configured at the upside of the support member, extends along the support member, and install In the support member;Pedestrian airbag, is configured in the retainer housing with being folded;And inflator, for making the air bag swollen Swollen, the pedestrian airbag apparatus is characterised by, the retainer housing has the front surface wall and direction towards vehicle front The rear surface wall at vehicle body rear, at least one party in the front surface wall and rear surface wall, which is provided with along vehicle-body width direction, to be extended Reinforcing plate, the reinforcing plate has the main leaf overlapping with the front surface wall or rear surface wall and the standing piece that is erected from the main leaf.
In the present invention, the shaft-like inflator can also be provided with along the rear surface wall of the retainer housing.Separately Outside, in the present invention, the retainer housing possesses directed inclined upwardly beveled walls between bottom surface and rear surface wall, can also The shaft-like inflator is provided with along the beveled walls.
The pedestrian airbag apparatus of the present invention is preferably disposed on the front region of windshield lower end.Pedestrian airbag is to cover The mode of at least bottom of lid windshield and A posts expands.
Invention effect
In the pedestrian airbag apparatus of the first invention, due to before the front surface wall of retainer housing is provided with vehicle body The extension that side protrudes and extended along retainer shell length direction, therefore, the intensity and rigidity of retainer housing front faces wall Uprise, it is suppressed that the expansion of the width of retainer housing when air bag expands.
In the pedestrian airbag apparatus of the second invention, to being bonded in the front surface wall or rear surface wall of retainer housing Retainer housing support member fixation bracket intensity and rigidity uprise.That is, the flange of bracket is in the longitudinal direction of bracket The intersection of piece and transversal flaps is uprised, thus, and the intensity and rigidity of the intersection of bracket are uprised.So, it is strong by making Degree and the high bracket of rigidity are bonded in front surface wall or rear surface wall, the front surface wall of retainer housing, rear surface wall it is strong Degree and rigidity are uprised, it is suppressed that the width expansion of retainer housing when air bag expands.
In the 3rd invention, intensity and rigidity near the center of the vehicle body left and right directions of retainer housing are uprised, and are suppressed The width expansion of retainer housing during air bag expansion.
In the 4th invention, reinforcing plate is installed in front surface wall or rear surface wall, the front surface wall of retainer housing, after The intensity and rigidity of surface wall are uprised, it is suppressed that the width expansion of retainer housing when air bag expands.
Further, since in the case where being provided with shaft-like inflator along retainer shell inner surface, the inflator it is firm Property it is higher, therefore, the intensity of retainer housing and rigidity increase.
If setting shaft-like inflator, the intensity of rear surface wall and rigidity increase along the rear surface wall of retainer housing.But It is that the operation that shaft-like inflator is installed on retainer shroud rear face wall is not easy to carry out.
If provided with beveled walls and setting shaft-like inflation along the beveled walls between the bottom surface of retainer housing and rear surface wall Machine, then be favorably improved the intensity and rigidity of rear surface wall, and the installation exercise of shaft-like inflator also becomes easy.
Brief description of the drawings
Fig. 1 is the stereogram for representing the pedestrian airbag apparatus of embodiment to the method to set up of vehicle body.
Fig. 2 is Fig. 1 II-II line sectional views.
Fig. 3 is the stereogram of bracket.
Fig. 4 is the sectional view of the pedestrian airbag apparatus of embodiment.
Fig. 5 is the sectional view of the pedestrian airbag apparatus of embodiment.
Fig. 6 is the sectional view of the pedestrian airbag apparatus of embodiment.
The stereogram of automobile when Fig. 7 is the air bag expansion of pedestrian airbag apparatus.
Fig. 8 is the sectional view of the pedestrian airbag apparatus of embodiment.
Fig. 9 is the sectional view of the pedestrian airbag apparatus of embodiment.
Figure 10 is the sectional view of the pedestrian airbag apparatus of embodiment.
Figure 11 is the stereogram for representing the pedestrian airbag apparatus of embodiment to the method to set up of vehicle body.
Embodiment
Hereinafter, embodiment is illustrated referring to the drawings.In the following description, it is front and rear to represent the front and rear of vehicle body.
Fig. 1~3 represent the pedestrian airbag apparatus 10 of embodiments of the present invention.The pedestrian airbag apparatus 10 is starting The upper shelf at the rear portion in machine room, which is located at, to be respectively arranged on the left of vehicle body and between the vehicle-body-side component 11,11 on right side.It is used as the vehicle body Side member, for example, can enumerate shock absorber casing, but not limited to this.
The internal thread hole for being used for fixing pedestrian airbag apparatus 10 is provided with the upper surface of vehicle-body-side component 11.
Pedestrian airbag apparatus 10 has support member 20, the retainer housing 30 being arranged in the support member 20, is somebody's turn to do Air bag 40 and inflator 50 in retainer housing 30, the lid 60 being covered on retainer housing 30 etc..
Support member 20 has:Extended in the way of crossing between vehicle-body-side component 11,11 in vehicle-body width direction The main bridge portion 21 of strip;It is connected respectively with the side of length direction two in the main bridge portion 21 and is inclined in the lower mode in more forward side Oblique lower vertical portion 22;And the installation sheet portion 23 substantially horizontally extended respectively from the front in each lower vertical portion 22.The installation sheet portion 23 are overlapped in vehicle-body-side component 11.Inserted in installation sheet portion 23 provided with the bolt overlapping with the internal thread hole of vehicle-body-side component 11 Hole 24.In this embodiment, provided with two bolt insertion holes 24 in each installation sheet portion 23.
The front side extended on the length direction in main bridge portion 21 and the edge of rear side are respectively at a predetermined interval provided with interior Screwed hole 25.
Main bridge portion 21 is illustrated as tabular, but is actually additionally provided with the bending sections such as rib, ripple (omitting diagram), it is possible to increase Intensity and rigidity.
Retainer housing 30 is the long box-like extended along the upper surface of support member 20, with bottom surface 31, respectively from the bottom Front surface wall 32 and rear surface wall 33 that the edge of the vehicle front side in face 31 and the edge of vehicle body rear side are erected.Pin piece portion 35 The two ends of the length direction of retainer housing 30 are bonded to by welding etc..The pin piece portion 35 is formed down towards the side of vehicle body Slope, being extended from its front has approximate horizontal stator portion 36.Bolt insertion hole 37 is provided with the stator portion 36.
In this embodiment, the front surface wall 32 of retainer housing 30 has the lower part wall that the leading edge from bottom surface 31 is erected What 32a, the extension 32b extended forwards from lower part wall 32a upper end and the leading edge from extension 32b were erected upward Top wall 32c.Extension 32b is substantially vertical relative to lower part wall 32a and top wall 32c difference.Extension 32b fore-and-aft direction Width be preferably front surface wall 32 height 2~50%, particularly preferably 2~10% or so.Extension 32b is preferably set to The height of front surface wall 32 20~80%, be particularly preferably set to 40~60% height.
Bracket 70 is bonded to lower part wall 32a preceding surface by welding etc..As shown in figure 3, bracket 70 have longitudinal slice 71, Transversal flaps 72, flange 73 and the bolt insertion hole 74 in transversal flaps 72.Longitudinal slice 71 is overlapping with top wall 32a, passes through point Weldering is bonded on top wall 32a.Transversal flaps 72 extend forwards from the lower edge of longitudinal slice 71, the shape of bracket 70 from the side Shape substantially L-shaped shape.Transversal flaps 72 be located at than retainer housing 30 bottom surface 31 slightly by bottom position.
Flange 73 is erected forwards from the right and left of longitudinal slice 71, and is stood upward from the right and left of transversal flaps 72 Rise.Flange 73 is continuously provided from longitudinal slice 71 to transversal flaps 72.Near the intersection of longitudinal slice 71 and transversal flaps 72, Flange 73 is provided with and erects height more rearward bigger enhanced portion 73a from what transversal flaps 72 were erected upward.Should by setting Enhanced portion 73a, the intensity and rigidity of bracket 70 are uprised, and particularly the flexural rigidity in the direction that 71 pairs of longitudinal slice lodges forwards becomes Greatly.
Air bag 40 is configured in retainer housing 30 with being folded.Inflator 50 is configured with the inside of the air bag 40. In the embodiment, inflator 50 is generally cylindrical shaped shaft-like, is configured along rear surface wall 33.Inflator 50 is in rear surface wall The center of 33 length direction nearby extends in length direction.
Many studs are provided projectingly from inflator 50 towards vehicle body rear.The stud insertion air bag 40 and rear table Face the wall and meditate 33.By tightening nut on the stud, inflator 50 and air bag 40 are fixed in rear surface wall 33.In Fig. 2 not Stud and nut are illustrated, but it is identical with Fig. 6 described later stud 51 and nut 52.
Lid 60 have the upper surface of covering retainer housing 30 main board portion 61 and from the front of the main board portion 61 and after The front panel portion 62 and rear plate portion 63 stood under side.Tear line 61a is provided with main board portion 61.
The front panel portion 62 of lid 60, rear plate portion 63 are respectively in the mode overlapping with the outer surface on the top of retainer housing 30 It is installed on retainer housing 30, and is fixed on by rivet 64 on retainer housing 30.
Retainer housing 30 is configured at the upside of support member 20.The transversal flaps 72 of bracket 70 and the upper table of support member 20 Face is abutted, and bolt 77 is screwed into internal thread hole 25 by bolt insertion hole 74.Thus, retainer housing 30 is assembled in support member It is on 20 and integrated.Now, the stator portion 36 extended from foot 35 is overlapping with the installation sheet portion 23 of support member 20, fixed The bolt insertion hole 37 in piece portion 36 is overlapping with the bolt insertion hole 24 of a side in installation sheet portion 23.
So, support member 20 is integrated with possessing the retainer housing 30 of air bag 40 and inflator 50, constitutes pedestrian and uses Airbag apparatus 10.
The pedestrian airbag apparatus 10 is configured in the way of being set up between vehicle-body-side component 11,11, and bolt 80 passes through spiral shell Bolt inserting hole 37,24 and the internal thread hole for being screwed into bodywork component 11.In addition, bolt 81 is by the bolt insertion hole 24 of the opposing party It is screwed into the internal thread hole of bodywork component 11.Thus, pedestrian airbag apparatus 10 is fixedly installed on vehicle body.
In the case where the automobile for possessing the pedestrian airbag apparatus 10 so constituted and pedestrian etc. contact, the work of inflator 50 Make, air bag 40 makes lid 60 be ftractureed along tear line 61a, same with Fig. 7, is expanded by the rear of hood along vehicle body outside surface Expansion.
When the air bag 40 expands, exerted a force in the way of making width expansion to retainer housing 30 from air bag 40.Particularly Larger power is applied around to the length direction central portion of retainer housing 30.
In this embodiment, protruded simultaneously due to being provided with vehicle front in the front surface wall 32 of retainer housing 30 The extension 32b extended along retainer shell length direction, therefore, the intensity and rigidity of front surface wall 32 are uprised, and suppress air bag The broadening of retainer housing 30 during 40 expansion.
In this embodiment, it is fixed with bracket 70 on the lower part wall 32a of front surface wall 32.In the flange of the bracket 70 73 are provided with enhanced portion 73a, and the bending that longitudinal slice 71 pours into the direction of the side of transversal flaps 72 rigidly becomes big.Therefore, from will be swollen Swollen air bag 40 fallen before applying to front surface wall 32 direction power when, suppress the fascinating forwards of front surface wall 32, suppress to keep The broadening of device housing 30.
In this embodiment, the lower part wall 32a of front surface wall 32 intensity and rigidity increase is made by bracket 70, and such as Above-mentioned such from the position provided with extension 32b, by the pressing force from air bag 40, the top wall 32c of front surface wall 32 will Deformed in the way of being poured into forwards by shown in the arrow theta such as Fig. 2.In this case, with overall the past of front surface wall 32 Surface wall 32 is compared with the situation that the intersection of bottom surface 31 is poured into forwards, the amount of movement L of the upper end of front surface wall 32 forwards It is smaller.
In the retainer housing 30 of the pedestrian airbag apparatus 10, air bag 40 expand when broadening direction deflection compared with Small, the influence to circumferential component is small.Because shaft-like inflator 50 is secured by bolts in the rear surface wall of retainer housing 30 On 33, therefore, the deformation at the rear of rearward surface wall 33 is less.
In figs. 1 to 3, the longitudinal slice 71 of bracket 70 is bonded on lower part wall 32a, but it is also possible to such as Fig. 8 pedestrian's gas Bag apparatus 10D is bonded on top wall 32c like that.
In the above-described embodiment, extension 32b stretches out forwards from lower part wall 32a upper end, but it is also possible to such as Fig. 9 Pedestrian airbag apparatus 10E rearward stretches out like that.In this case, top wall 32c is stood upward from projecting piece 32b trailing edge Rise.
In the present invention, as shown in Figure 11 pedestrian airbag apparatus 10 ', bracket 70 can also be only configured at guarantor The central portion of the vehicle body left and right directions of holder housing 30 and its near.
In fig. 11, the length L of the vehicle body left and right directions in the region present in bracket 70 is preferably retainer housing 30 Less than the 50% of the total length of vehicle body left and right directions, such as preferably 30~50%, particularly preferably 40~50%.
Preferably, at least one in multiple brackets 70 is configured at the center of the vehicle body left and right directions of retainer housing 30 Near portion.Specifically, it is preferred that on the vehicle body left and right directions of retainer housing 30, positioned at apart from retainer housing 30 Center deviation retainer housing 30 total length ± 10% in the range of.That is, the vehicle body right and left of the bracket 70 of the central portion Upward existence range is less than 20% scope of the total length of retainer housing 30.
Fig. 4~6 are pedestrian airbag apparatus 10A, 10B, 10C for representing another embodiment of the present invention sectional view. In addition, eliminating the diagram of support member 20 in Fig. 4~6.
In Fig. 4 pedestrian airbag apparatus 10A, provided with bellying 80 forwards in front surface wall 32.The bulging Portion 80 extends in the way of the short transverse of front surface wall 32 on retainer housing 30A length direction.Preferably In, bellying 80 possess upside extension 81, downside extension 82 and connect these up and down extension 81,82 leading edge it Between preceding surface 83 "U" cross-sectional shape.Pedestrian airbag apparatus 10A other structures are used with the pedestrian of Fig. 1~3 Airbag apparatus 10 is identical, and same reference is represented with a part.
Due to being provided with bellying 80 in front surface wall 32 also by pedestrian airbag apparatus 10A, therefore, suppress air bag The broadening of retainer housing 30A during 40 expansion.
In Fig. 4, preceding surface 83 be formed as with the substantially vertical tabular of extension 81,82 up and down but it is also possible to be, Preceding surface 83 is formed as semicircular sectional shape, and bellying is integrally formed into horizontal U-shaped cross sectional shape.Bellying integrally also may be used To be formed as other cross sectional shapes such as semicircular sectional shape, horizontal V-shaped cross sectional shape.
In Fig. 5 pedestrian airbag apparatus 10B, riveting is passed through respectively in the outer surface of front surface wall 32 and rear surface wall 33 Follow closely the set such as 87 or spot welding reinforcing plate 85,86.Reinforcing plate 85,86 extends on the length direction of retainer housing 30 respectively.Plus Erected forwards for the upper limb with first 85a extended along top wall 32c and from first 85a second of strong plate 85 85b " L " cross-sectional shape.Erect the 3rd etc. other of the lower edge that can also possess from first 85a.
Reinforcing plate 86 has the first piece 86a overlapping with rear surface wall 33, distinguished from the upper limb and lower edge of first 86a The 4th 86d that second rearward erected and the 3rd 86b, 86c and the trailing edge from the 3rd 86c hang down downwards.Also Erect upward the 5th etc. other of the trailing edge that can possess from second 86b.
Pedestrian airbag apparatus 10B other structures are identical with pedestrian airbag apparatus 10, and same reference is represented With a part.
Suppress the broadening of the retainer housing 30 when air bag 40 expands also by pedestrian airbag apparatus 10B.In Fig. 4 institutes Same reinforcing plate 85,86 can also be set in the pedestrian airbag apparatus 10A shown.
In Figure 5 using there is rivet 64,87, but as shown in Figure 10 pedestrian airbag apparatus 10F, it can also pass through The rear plate portion 63 and reinforcing plate 86 of lid 60 are installed on retainer housing 30 by rivet 87.Front panel portion 62 and reinforcing plate 85 can also Retainer housing 30 is installed on by general rivet.
In Fig. 6 pedestrian airbag apparatus 10C, retainer housing 30C possesses between bottom surface 31 and rear surface wall 33 Beveled walls 34.Inflator 50 is configured along the beveled walls 34.Beveled walls 34 are so that relative to bottom surface 31, more higher mode is inclined rearward Tiltedly.The angle of inclination is preferably 30~60 ゜, particularly preferably 40~50 ゜ or so.Bolt insertion hole is provided with the beveled walls 34 (omitting diagram).The bolt insertion hole is on retainer housing 30C length direction at spaced intervals provided with multiple (in the implementation It is two in mode).
From the side of inflator 50, two bolts 51 are equipped with spaced intervals on the length direction of inflator 50.Spiral shell Bolt 51 is erected on the direction vertical with the axis of inflator 50.Each bolt 51 passes through air bag 40 and retainer housing 30C respectively Bolt insertion hole and it is prominent to outside retainer housing 30C, nut 52 is screwed into each bolt 51.Thus, inflator 50 is fixed In in beveled walls 34.
Due to making the bolt 51 of inflator 50 pass through relative to the bolt insertion hole of the beveled walls 34 from oblique upper, therefore, Compared with the situation provided with bolt insertion hole in rear surface wall 33, it can make bolt 51 easily by bolt insertion hole, hold Easily carry out the installation exercise of air bag 40 and inflator 50 to retainer housing 30C.Due to filling for bar-shaped high intensity and high rigidity Mechanism of qi 50 is installed in beveled walls 34, therefore, and the intensity and rigidity of beveled walls 34 are higher.Therefore, the intensity of rear surface wall 33 and Rigidity along bottom surface 31 than setting the situation of inflator 50 high.
Pedestrian airbag apparatus 10C other structures are identical with pedestrian airbag apparatus 10B, and same reference is represented With a part.
Also by pedestrian airbag apparatus 10C, suppress the broadening of retainer housing 30C when air bag 40 expands.
In this embodiment, beveled walls 34 are formed as tabular, but it is also possible to be formed as circular section shape.At this In embodiment, stud 51 is directly arranged in inflator 50, but in the case where inflator is held in into retainer, can also Stud is provided with retainer.
In the pedestrian airbag apparatus 10 shown in Fig. 1~4,10A can also be retainer housing provided with beveled walls and The structure of inflator is set in the beveled walls.
Above-mentioned embodiment is one of the present invention, and the present invention can also be the form beyond diagram.For example, above-mentioned In embodiment, the main board portion 61 of lid 60 is illustrated substantially in parallel with the bottom surface 31 of retainer housing 30, but main board portion 61 Can be so that more lower mode is tilted rearward.Shape when air bag 40 expands can also be the shape beyond Fig. 7.
Using specific mode, the present invention is described in detail, but is not departing from the intent and scope of the present invention In the case of can carry out various changes, this is self-evident to those skilled in the art.
The Japanese patent application 2014-229005 that the application was proposed based on November 11st, 2014, and helped by reference Use its entire content.
Description of reference numerals
10th, 10 ', 10A~10F pedestrian airbag apparatus
20 support members
30th, 30A, 30C retainer housing
31 bottom surfaces
32 front surface walls
32b extensions
Surface wall after 33
40 air bags
50 inflators
60 lids
70 brackets
73 flanges
80 bellyings

Claims (14)

1. a kind of pedestrian airbag apparatus, has:
Support member, the upper shelf at the rear portion in engine room is between the vehicle-body-side component of left and right;
Retainer housing, is configured at the upside of the support member, extends along the support member, and be installed on the support member;
Pedestrian airbag, is configured in the retainer housing with being folded;And
Inflator, for expanding the air bag,
The pedestrian airbag apparatus is characterised by,
The retainer housing has the front surface wall towards vehicle front,
In the way of the above-below direction of the front surface wall, with being protruded and along retainer shell length side towards vehicle body fore-and-aft direction To the extension of extension.
2. pedestrian airbag apparatus according to claim 1, it is characterised in that
The front surface wall has:
Constitute the lower part wall of the bottom of the front surface wall;
The extension extended forwards from the upper limb of the lower part wall;And
Erect and constitute the top wall on the top of the front surface wall upward from the leading edge of the extension.
3. pedestrian airbag apparatus according to claim 1, it is characterised in that
The front surface wall has:
Constitute the lower part wall of the bottom of the front surface wall;
The extension rearward extended from the upper limb of the lower part wall;And
Erect and constitute the top wall on the top of the front surface wall upward from the trailing edge of the extension.
4. pedestrian airbag apparatus according to claim 1, it is characterised in that
The extension is the bellying of the shape bloated towards front.
5. a kind of pedestrian airbag apparatus, has:
Support member, the upper shelf at the rear portion in engine room is between the vehicle-body-side component of left and right;
Retainer housing, is configured at the upside of the support member, extends along the support member, and be installed on the support member;
Pedestrian airbag, is configured in the retainer housing with being folded;And
Inflator, for expanding the air bag,
The pedestrian airbag apparatus is characterised by,
The retainer housing has the front surface wall towards vehicle front and the rear surface wall towards vehicle body rear,
The retainer housing is linked by bracket with the support member,
The bracket has:
It is bonded to the longitudinal slice of the front surface wall or rear surface wall;
It is connected and is fixed on the transversal flaps of the upper surface of the support member with the lower edge of the longitudinal slice;And
The flange erected from the vehicle-body width direction both sides of the longitudinal slice and transversal flaps,
The height that erects that flange is erected from transversal flaps near the longitudinal slice and the cross-shaped portion of transversal flaps more leans on longitudinal slice side bigger.
6. pedestrian airbag apparatus according to claim 5, it is characterised in that
The front surface wall has:
Constitute the lower part wall of the bottom of the front surface wall;
The extension extended forwards from the upper limb of the lower part wall;And
Erect and constitute the top wall on the top of the front surface wall upward from the leading edge of the extension,
The longitudinal slice of the bracket is bonded to the top wall.
7. a kind of pedestrian airbag apparatus, has:
Support member, the upper shelf at the rear portion in engine room is between the vehicle-body-side component of left and right;
Retainer housing, is configured at the upside of the support member, extends along the support member, and be installed on the support member;
Pedestrian airbag, is configured in the retainer housing with being folded;And
Inflator, for expanding the air bag,
The pedestrian airbag apparatus is characterised by,
The retainer housing has the front surface wall towards vehicle front and the rear surface wall towards vehicle body rear,
At least front surface wall is linked by bracket with the support member among the front surface wall and rear surface wall,
Multiple brackets are configured with the central portion of the vehicle body left and right directions of the retainer housing and its neighbouring region,
At least one in the bracket is configured near the central portion.
8. pedestrian airbag apparatus according to claim 7, it is characterised in that
The length for being configured with the vehicle body left and right directions in the region of the bracket is the vehicle body left and right directions of retainer housing Less than the 50% of total length,
The length of vehicle body left and right directions near the central portion is the 20% of the total length of the vehicle body left and right directions of retainer housing Below.
9. the pedestrian airbag apparatus according to claim 7 or 8, it is characterised in that
At least front surface wall has towards before and after vehicle body in the way of its above-below direction among the front surface wall and rear surface wall The extension that direction protrudes and extended along retainer shell length direction.
10. the pedestrian airbag apparatus according to any one of claim 7~9, it is characterised in that
The bracket has:
It is bonded to the longitudinal slice of the retainer housing;
It is connected and is fixed on the transversal flaps of the upper surface of the support member with the lower edge of the longitudinal slice;And
The flange erected from the vehicle-body width direction both sides of the longitudinal slice and transversal flaps,
The height that erects that flange is erected from transversal flaps near the longitudinal slice and the cross-shaped portion of transversal flaps more leans on longitudinal slice side bigger.
11. a kind of pedestrian airbag apparatus, has:
Support member, the upper shelf at the rear portion in engine room is between the vehicle-body-side component of left and right;
Retainer housing, is configured at the upside of the support member, extends along the support member, and be installed on the support member;
Pedestrian airbag, is configured in the retainer housing with being folded;And
Inflator, for expanding the air bag,
The pedestrian airbag apparatus is characterised by,
The retainer housing has the front surface wall towards vehicle front and the rear surface wall towards vehicle body rear,
At least one party in the front surface wall and rear surface wall is provided with the reinforcing plate extended along vehicle-body width direction,
The reinforcing plate has the main leaf overlapping with the front surface wall or rear surface wall and the standing piece erected from the main leaf.
12. the pedestrian airbag apparatus according to any one of claim 1~11, it is characterised in that
The shaft-like inflator is provided with along the rear surface wall of the retainer housing.
13. the pedestrian airbag apparatus according to any one of claim 1~11, it is characterised in that
The retainer housing possesses directed inclined upwardly beveled walls between bottom surface and rear surface wall,
The shaft-like inflator is provided with along the beveled walls.
14. the pedestrian airbag apparatus according to any one of claim 1~13, it is characterised in that
The pedestrian airbag apparatus is provided in the pedestrian airbag apparatus of the front region of windshield lower end, the pedestrian Expanded with air bag in the way of covering at least bottom of windshield and A posts.
CN201580060044.6A 2014-11-11 2015-08-31 Pedestrian airbag device Active CN107000672B (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
JP2014229005A JP6447031B2 (en) 2014-11-11 2014-11-11 Pedestrian airbag device
JP2014-229005 2014-11-11
PCT/JP2015/074633 WO2016075990A1 (en) 2014-11-11 2015-08-31 Airbag device for pedestrian

Publications (2)

Publication Number Publication Date
CN107000672A true CN107000672A (en) 2017-08-01
CN107000672B CN107000672B (en) 2020-04-21

Family

ID=55954085

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201580060044.6A Active CN107000672B (en) 2014-11-11 2015-08-31 Pedestrian airbag device

Country Status (3)

Country Link
JP (1) JP6447031B2 (en)
CN (1) CN107000672B (en)
WO (1) WO2016075990A1 (en)

Citations (6)

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JP2006160058A (en) * 2004-12-07 2006-06-22 Mazda Motor Corp Toe board reinforcing structure of vehicle
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US20070023222A1 (en) * 2005-07-26 2007-02-01 Honda Motor Co., Ltd. Collision object protection assembly
CN101374702A (en) * 2006-01-25 2009-02-25 高田株式会社 Pedestrian airbag device
CN101374704A (en) * 2006-01-25 2009-02-25 高田株式会社 Pedestrian airbag device
US20140318881A1 (en) * 2013-04-26 2014-10-30 Takata Corporation Airbag unit and airbag folding method

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2006160058A (en) * 2004-12-07 2006-06-22 Mazda Motor Corp Toe board reinforcing structure of vehicle
US20070000708A1 (en) * 2005-07-01 2007-01-04 Yoshiro Himetani Vehicle-pedal backward-displacement preventing device
US20070023222A1 (en) * 2005-07-26 2007-02-01 Honda Motor Co., Ltd. Collision object protection assembly
CN101374702A (en) * 2006-01-25 2009-02-25 高田株式会社 Pedestrian airbag device
CN101374704A (en) * 2006-01-25 2009-02-25 高田株式会社 Pedestrian airbag device
US20140318881A1 (en) * 2013-04-26 2014-10-30 Takata Corporation Airbag unit and airbag folding method

Also Published As

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JP2016088466A (en) 2016-05-23
CN107000672B (en) 2020-04-21
JP6447031B2 (en) 2019-01-09
WO2016075990A1 (en) 2016-05-19

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