CN100376431C - Air bag device, motorcycle with air bag device and manufacturing method of air bag device - Google Patents

Air bag device, motorcycle with air bag device and manufacturing method of air bag device Download PDF

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Publication number
CN100376431C
CN100376431C CNB200310101398XA CN200310101398A CN100376431C CN 100376431 C CN100376431 C CN 100376431C CN B200310101398X A CNB200310101398X A CN B200310101398XA CN 200310101398 A CN200310101398 A CN 200310101398A CN 100376431 C CN100376431 C CN 100376431C
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CN
China
Prior art keywords
air bag
mentioned
handlebar
airbag apparatus
motor bike
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Expired - Fee Related
Application number
CNB200310101398XA
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Chinese (zh)
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CN1496911A (en
Inventor
宫田保人
居川忠弘
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Takata Corp
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Takata Corp
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Filing date
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Publication of CN1496911A publication Critical patent/CN1496911A/en
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Publication of CN100376431C publication Critical patent/CN100376431C/en
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    • BPERFORMING OPERATIONS; TRANSPORTING
    • B62LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
    • B62JCYCLE SADDLES OR SEATS; AUXILIARY DEVICES OR ACCESSORIES SPECIALLY ADAPTED TO CYCLES AND NOT OTHERWISE PROVIDED FOR, e.g. ARTICLE CARRIERS OR CYCLE PROTECTORS
    • B62J27/00Safety equipment
    • B62J27/20Airbags specially adapted for motorcycles or the like

Abstract

Provided is a technique for configuring an airbag for a motorcycle ensuring the full protection of a rider in an accident. This airbag device 111 mounted on a motorcycle 100 includes an airbag 121. The airbag 121, upon a frontal collision of the motorcycle 100, is inflated in such a way as to restrain the rider from moving forward. An engaging part 129 to restrict the movement of the airbag 121 by being engaged with the car body constituting part 131 when the airbag 121 is inflated is formed on the side of the airbag 121 moving to the car body constituting part 131 of the motorcycle 100.

Description

Airbag apparatus, be provided with the manufacture method of the motor bike and the airbag apparatus of airbag apparatus
Technical field
The present invention relates to be installed in the manufacturing technology of the airbag apparatus on the motor bike.
Background technology
Known have by means of the technology of airbag apparatus in the hope of the protection occupant is installed on motor bike.For example, open the spy and disclose following technology in the 2001-219884 communique: make air bag expand, launch in car body member such as the front fork of motor scooter and occupant's the space between the seat of taking advantage of.Proposed to install the possibility of the airbag apparatus of motor bike in this technology, still, air bag has improved the thoroughly requirement of protection to the occupant to the reasonableness of occupant restraint state when having an accident by further pursuit.
Patent documentation 1: the spy opens the 2001-219884 communique
Summary of the invention
In view of the above problems, the object of the present invention is to provide the air bag manufacturing technology that helps when motor bike has an accident, thoroughly to protect the occupant.
For achieving the above object, constituted the described invention of each technical scheme item.According to technical scheme 1 described invention, constituted and have air bag and be installed in airbag apparatus on the motor bike.The structure of this air bag is: expand when motor bike generation frontal collisions, thereby can retrain the occupant that will move to the place ahead of this motor bike because of the impact of collision.In addition, the side towards the vehicle component parts of motor bike at this air bag forms fitting portion.This fitting portion is by means of limit the mobile of air bag with vehicle component parts tabling when expanding.
Promptly; moving of air bag by means of the chimeric of fitting portion and vehicle component parts during confined expansion; can make dilated air bag with respect to when accident takes place, remaining on the appropriate position that the occupant is retrained to the occupant that move in the place ahead of motor bike; and can limit air bag and be subjected to displacement, thereby can guarantee the protective capability of air bag effectively the occupant from this appropriate position.In addition, owing to can impel the compression set of air bag self when the occupant restraint,, further improve the effect that the kinetic energy that makes the occupant reduces so can guarantee the absorption power of impact by moving of restriction air bag.
In addition, in the present invention, owing to be from forming the structure of fitting portion on one's body, so there is no need outside air bag, to set, configuration makes air bag keep the holding device of appropriate position, thereby can make the simple in structure of airbag apparatus at air bag.
As mentioned above, the appropriate position of air bag and guarantee the angle of the absorption power of impact when guaranteeing to expand, " vehicle component parts " can comprise widely that the front fork that for example handlebar, meters, Fuel Tank, support front-wheel are used etc. constitutes each key element of motor bike.In addition, from same angle, so-called " moving of restriction air bag " is regardless of the restriction form that air bag is moved, and it not only comprises the form that this air bag of total ban moves, and also comprises widely making form that air bag is difficult to move etc.In addition, be not particularly limited about moving the restriction direction yet.
" motor bike " in this specification sheets comprises the vehicle with saddle widely, be that the occupant strides the vehicle of taking advantage of the form on vehicle seat, for example, be included in the place ahead of taking advantage of seat set up the automotive bicycle of fuel box, at occupant's small-sized automotive bicycle any of taking and support to form between the front fork that handlebar uses spatial portion.In addition, except that automotive bicycle, have travel wheel more than three, stride the vehicle taken advantage of (for example sending the motor bike of motor-tricycle, the three-wheel that passes through the road that is difficult to walk or four-wheel corf formula that occasion such as pizza uses to the client) and as moving etc. by the occupant on snow, the vehicle of advancing by means of sledge or crawler belt, the occupant rides seat also comprises within above-mentioned " motor bike " widely.
" frontal collisions " in this specification sheets not only comprise as the motor bike said on the literal form with straight ahead state and the collision of colliding object thing, comprises widely that also motor bike is sideling with the form of colliding object thing collision or keep form that partial portion that the straight ahead state is the place ahead and colliding object thing collide etc.In addition, " airbag apparatus " in this specification sheets, preferably with above-mentioned air bag with make the device of this airbag inflation, for example charging blower etc. is placed on the structure in the retainer.
(technical scheme 2 described inventions)
In technical scheme 2 described inventions, the fitting portion that forms on the above-mentioned air bag has when airbag inflation at the recess or the protuberance that form on the balloon surface of above-mentioned vehicle component parts one side.Because balloon surface has the bladder shape itself of recess or protuberance can have function with vehicle component parts tabling, so need not to prepare in addition to be used for the parts with vehicle component parts tabling, air bag moves in the time of can expanding by means of simple structural limitations.In addition, in the present invention, can comprise form that a certain side of recess only or protuberance forms widely on air bag, form a plurality of form, recess and protuberance both sides and respectively form one or more form etc.
(technical scheme 3 described inventions)
Technical scheme 3 described inventions are in the above-mentioned the 1st or the 2nd described airbag apparatus, limit moving of air bag by means of the handlebar of fitting portion and motor bike is chimeric.Because the handlebar of motor bike is bigger from the outstanding degree of motor bike, thus can be easily chimeric with air bag, thus can improve the reliability of the restriction that air bag is moved.
(technical scheme 4 described inventions)
The fitting portion of technique scheme 3 described airbag apparatus is the structures with recess, and this recess at least with constitute handlebar about two handlebar formation portion tablings.Since recess at least with about two handlebar formation portions chimeric, so air bag is fixing more reliable.Particularly because the parts that left and right sides handlebar formation portion is the direction that intersects at the direct of travel with motor bike extends, thus effectively confined expansion air bag moving to the direct of travel of motor bike.Therefore, when having an accident, the occupant that will forwards move because of impact stopped and when retraining, the kinetic energy that rushes at the place ahead with the occupant is relative effectively, thereby tries to achieve the thorough protection to the occupant.
(technical scheme 5 described inventions)
According to technical scheme 5 described inventions, provide the motor bike of the various airbag apparatus of having installed the 1st to the 4th.
(technical scheme 6 described inventions)
In technical scheme 6 described inventions, provide the rational manufacture method that plays the airbag apparatus of same function effect in fact with the 1st described airbag apparatus.Promptly, in technical scheme 6 described inventions, air bag moves during for confined expansion, on this air bag, formed and be used for the fitting portion chimeric with the vehicle component parts of motor bike, thereby can be when accident takes place the air bag that expands is kept going up in place, and guarantee the absorption power of impact by means of the compression of air bag self, therefore, this air bag can stop occupant's kinetic energy effectively, improves the restriction ability to the occupant.
(technical scheme 7 described inventions)
In technical scheme 7 described inventions,, utilized tether in the air bag internal configurations as the formation method of the fitting portion of the manufacture method of above-mentioned airbag apparatus.Particularly, air bag is carried out tractive by means of tether in the air bag internal configurations, air bag form recess towards vehicle component parts one side, thereby form fitting portion.Owing to form recess, be simple structure so can make the outside face of air bag by tether in the air bag internal configurations.Certainly, this also can constitute the manufacture method that has with the airbag apparatus of the equal inscape of the inscape of each airbag apparatus of technical scheme 2 the following stated.As the direction of draw of tether to air bag, comprising widely can be in the direction towards vehicle component parts one side formation recess of air bag, for example can suitably adopt the direction relative, perhaps relative any directions such as direction of the direct of travel of motor bike about being with the vehicle component parts.
Description of drawings
Fig. 1 shows the integral structure as the automotive bicycle of embodiment of the present invention.
Fig. 2 shows the integral structure of the airbag apparatus of embodiment of the present invention.
Fig. 3 shows the relation of the airbag apparatus and the handlebar of embodiment of the present invention briefly.
The air bag that Fig. 4 shows the airbag apparatus of embodiment of the present invention begins the state that launches, expand.
Fig. 5 shows the state that air bag further launches, expands.
Fig. 6 shows air bag and is moved by the handlebar restriction, is expanded to the state in passenger protection district.
Fig. 7 shows airbag restraint occupant's state.
Fig. 8 shows the structure of the air bag of the other embodiment of the present invention.
Fig. 9 shows the cross-section structure of the A-A line of air bag shown in Figure 8.
The specific embodiment
With reference to the accompanying drawings embodiments of the present invention are elaborated.Figure 1 illustrates the automotive bicycle 100 and the airbag apparatus 111 that is arranged on this automotive bicycle 100 of present embodiment.Automotive bicycle 100 is equivalent to an example of " motor bike " of the present invention.Automotive bicycle 100 possesses: car body formation portion 131, and this car body formation portion 131 has vehicle seat 132, Fuel Tank 133, handlebar 135 and front fork 138; And front-wheel 137 and trailing wheel 139, they are installed in this car body formation portion 131, and the occupant crosses over vehicle seat 132 and takes.Front-wheel 137 is connected with handlebar 135 through front fork 138, accepts occupant's manipulation.In addition, be convenient meter, the occupant does not draw in Fig. 1.Airbag apparatus 111 is configured in the borderline region of vehicle seat 132 sides of the Fuel Tank 133 that constitutes car body formation portion 131.
It is the passenger protection district 151 of automotive bicycle 100 when frontal collisions take place that car body is constituted the top of the Fuel Tank 133 in the portion 131, the front side zoning of taking occupant's (representing with label 101) of automotive bicycle 100 in Fig. 3 to Fig. 7.In the present embodiment, " frontal collisions " comprises the form of colliding object thing (for simple meter, the not shown) collision of automotive bicycle 100 and front side (left side among Fig. 1) widely." passenger protection district 151 " is defined as because the kinetic energy during frontal collisions, and the occupant will be when move in automotive bicycle 100 the place aheads, by air bag 121 constraints, the space of protecting this occupant to use.
Particularly as Fig. 2 is shown specifically, airbag apparatus 111 will form be configured in the retainer 113 in the car body formation portion 131 (end regions of Fuel Tank 133) shown in Figure 1 and charging blower (serve as simply, do not illustrate especially) and air bags 121 of being collected in this retainer 113 constitute as main body to bury underground.
By Fig. 2 of the side that airbag apparatus 111 is shown and Fig. 3 that air bag 121 and the interrelation of handlebar 135 be shown briefly as can be known, air bag 121 by will form band shape, constitute air bag 121 fronts, the front plate 121a at the top and back side and constitute the Left-Hand Panel of these air bag 121 left and right sides and right panel 121b, 121b carry out combination and form.In addition, in the internal configurations of air bag 121 tether 127 (be banded band, be also referred to as frenulum).
Tether 127 is suitably folded, is made in the inside of air bag 121, and extends at the fore-and-aft direction (being left and right directions in Fig. 2) of this air bag 121, through making the 127a of portion in opposite directions the position mutually of the internal face of the front plate 121a of air bag 121 is coupled together.By means of the in opposite directions position of tether 127 with the internal face of the front plate 121a of air bag 121, be that front face side internal face and rear side internal face among the front plate 121a interconnects, front plate 121a forms recess 129 because of tether 127 bearing of trends of tractive to air bag 121 inboards of tether 127 cave in.This recess 129 moves " fitting portion " cooresponding key element with restriction air bag of the present invention, and it is configured to be enough to satisfy and makes air bag 121 and the handlebar 135 needed size that mutually combines by means of handlebar 135 embeds these recesses 129.
Below with reference to Fig. 4 to Fig. 7 the mode of operation of the airbag apparatus 111 of structure as mentioned above is described.When frontal collisions took place for automotive bicycle 100, as shown in Figure 4, in the airbag apparatus 111 of the end regions configuration of vehicle seat 132 sides of Fuel Tank 133, air bag 121 beginnings launched to the outside from retainer 113 by means of not graphic especially charging blower.
As Fig. 4 illustrates well; air bag 121 in the expansion has from car body formation portion 131 and leaves sleekly and with the roll volume portion 123 of shortest time towards passenger protection district 153; this rolls volume portion 123 and rotates air bag 121 expansion simultaneously at the upper face side of car body formation portion 131 (Fuel Tank 133) when frontal collisions takes place.When the volume portion of rolling 123 of air bag 121 rotates, launches, in air bag 121, provide by the charging blower gas supplied in the retainer 113.In view of the above, as shown in Figure 5, in air bag 121, begin to form bulge 122.
Fig. 6 shows bulge 122 and arrives whole air bag 121, the state after air bag 121 launches fully, expands by means of the gas expanded from charging blower.At this moment, handlebar 135 be embedded in air bag 121 the recess 129 that forms towards car body formation portion 131 sides and with its tabling.The result that air bag 121 launches fully, expands is: as shown in Figure 7, and the passenger protection district 151 when air bag 121 expand into automotive bicycle 100 generation frontal collisions, the occupant 101 that the impact in the time of can keeping, retrain because of collision reliably will forwards be moved.
Particularly when the place ahead conflict takes place with quite high speed in automotive bicycle 100, in occupant 101 and air bag 121 contacted constraint initial stages, under the state that kinetic energy does not fully reduce as yet, occupant 101 still exists the possibility that moves (is shown with label 153 in Fig. 7) obliquely upward when sliding in air bag 121 surfaces.At this moment, air bag 121 can by means of occupant 101 obliquely upward direction 153 draw stretching, extension, but, in the present embodiment, because under the recess 129 of air bag 121 and state as handlebar 135 tablings of the parts of car body formation portion 131 sides, limited moving of air bag 121, fixed the relative position relation of air bag 121, so can limit the distortion of this air bag 121 effectively with car body formation portion 131.Consequently can stably guarantee the shape of air bag 121, avoid effectively owing to air bag 121 is out of shape the restriction ability that reduces the occupant, thereby obtain thorough protection the occupant.
In addition, in the present embodiment, owing to can obtain increasing the effect (with reference to Fig. 2 and Fig. 3) to the distortion rigidity of external force of this air bag 121 by means of the tether 127 at the position in opposite directions that connects air bag 121, so when can the increase accident taking place to the resistivity of the air bag 121 that will stop with the occupant 101 that certain speed forwards moves, thereby try to achieve raising to occupant 101 restraint performance.
In addition, though adopted structure in the present embodiment with recess 129 with handlebar 135 tablings of air bag 121, can certainly be with the inscape of recess 129 with handlebar 135 car body formation portion 131 in addition, for example form of tabling such as meters, front shroud.
In addition, carry out chimeric structure though adopted handlebar 135 to be embedded in the recess 129 that forms on the air bag 121 in the present embodiment, but also can adopt and on air bag 121, form protuberance, the form of the depression position tabling of this protuberance and handlebar 135 or other car body formation portions 131 in contrast.
Though the mutual inwall position in opposite directions by means of tether 127 connections, tractive air bag 121 forms recess 129 in the present embodiment, but also can be the both sides of for example the front plate 121a by suitably set constituting air bag 121 and side panel 121b or a side's the shape of cutting out, make the structure that recess 129 (or protuberance) when front plate 121a combines with side panel 121b, occur.
That is, can be the structure of ", it is characterized in that, utilize the cutting out shape of formation panel of this air bag and form the recess or the protuberance of above-mentioned balloon surface " as technical scheme 2 described airbag apparatus.So constitute, need not in air bag inside tether to be set, the such formation panel of front plate, side panel that just merely will constitute air bag makes up, and just can form fitting portion simply.
(other embodiment)
In addition, about the airbag apparatus 111 of present embodiment, Fig. 8 and Fig. 9 show the other embodiment with the structurally associated of air bag 121.In the air bag 221 of this embodiment, on left and right sides panel 221b, form recess 229L, 229R respectively, they respectively with the handlebar left side formation 135L of portion and the handlebar right side 135R of the formation portion tabling that constitute handlebar 135.From Fig. 9 of the A-A line section of the air bag 221 that shows Fig. 8 as can be known, each recess 229L, 229R mutually combine left and right sides panel 221b, the 221b of air bag 221 and form by means of being configured in air bag 221 in-to-in left and right sides tether 227L, 227R respectively.
On the other hand, the front plate 221a between two recess 229L, 229R in the air bag 221 can not be subjected to the restriction of above-mentioned tether 227L, 227R and expand.Consequently between two recess 229L, 229R, formed fitting portion 230, this fitting portion 230 is formed by adjacent with front plate 221a among front plate 221a and left and right sides panel 221b, the 221b and the zone of extending, have can and the chimeric shape and size of hollow portion 136 (i.e. the hollow portion 136 that between the 135L of handlebar left and right sides formation portion, 135R, forms) of the central formation 135C of portion of handlebar.
Consequently chimeric by means of left side recess 229L and the handlebar left side formation 135L of portion, right side recess 229R and the 135R of handlebar right side formation portion are chimeric, and fitting portion 230 with constitute hollow portion 136 tablings that the 135C of portion forms by handlebar central authorities, air bag 221 can be effectively and handlebar 135 tablings, can limit moving of this air bag 221 reliably.Particularly because handlebar left side formation 135L of portion and the 135R of handlebar right side formation portion are the parts that extend in the direction (left and right sides direction) that the direct of travel with automotive bicycle 100 intersects; so more reliably confined expansion air bag 221 to the moving of the direct of travel of automotive bicycle 100, help effectively thorough protection to the occupant.
That is,, can constitute following form according to above-mentioned other embodiment.That is:
(form 1)
" as technical scheme 1 to 4 any one described airbag apparatus; it is characterized in that; above-mentioned fitting portion has: forming of above-mentioned air bag towards vehicle component parts one side of above-mentioned motor bike, can be respectively and the chimeric pair of right and left recess in right side and left side handlebar formation portion of above-mentioned motor bike; And between this a pair of recess, form, with the chimeric fitting portion of handlebar formation portion of central authorities of above-mentioned motor bike.”
(form 2)
" as the technical scheme 5 described motor bikes that are provided with airbag apparatus, it is characterized in that, use the airbag apparatus described in the form 1 as above-mentioned airbag apparatus.”
(form 3)
", between this a pair of recess, form the chimeric fitting portion of handlebar formation portion of central authorities simultaneously with above-mentioned motor bike as the manufacture method of technical scheme 6 or 7 described airbag apparatus; it is characterized in that; have following steps: when being arranged on above-mentioned airbag apparatus on the above-mentioned motor bike; tractive is carried out at the position towards above-mentioned vehicle component parts of above-mentioned air bag; can be respectively and the chimeric pair of right and left recess in right side and left side handlebar formation portion of above-mentioned motor bike forming of above-mentioned air bag towards above-mentioned vehicle component parts one side by means of the in-to-in tether that is configured in this air bag.”
In these forms, top and side the handlebar right side formation portion and the left side formation portion of giving prominence to are chimeric to the left and right by means of the difference of the car body formation portion of a pair of recess of air bag and motor bike, and formation portion of the fitting portion that forms between this a pair of recess and handlebar central authorities is chimeric, can make air bag effectively with handlebar tabling as a key element of car body formation portion, can limit moving of air bag more reliably.
Adopt the present invention, can provide about motor bike help to have an accident the time thorough protection occupant's air bag manufacturing technology.

Claims (6)

1. an airbag apparatus has air bag, and is installed on the motor bike, it is characterized in that,
When above-mentioned motor bike generation frontal collisions, above-mentioned airbag inflation, thereby can the occupant that will forwards move be retrained, and the side towards the handlebar of above-mentioned motor bike at above-mentioned air bag forms fitting portion, and this fitting portion is by means of limit the mobile of this air bag with this handlebar tabling when expanding.
2. airbag apparatus as claimed in claim 1 is characterized in that,
Above-mentioned fitting portion has recess or the protuberance that forms on this balloon surface of above-mentioned handlebar one side when above-mentioned airbag inflation.
3. airbag apparatus as claimed in claim 1 or 2 is characterized in that,
Above-mentioned fitting portion have at least with constitute above-mentioned handlebar about the chimeric recess of two handlebar formation portions.
4. motor bike that is provided with airbag apparatus, airbag inflation when having an accident, thereby the occupant that constraint, protection will forwards be moved it is characterized in that,
Any one the described airbag apparatus that uses claim 1 to 3 is as above-mentioned airbag apparatus.
5. a manufacture method that is installed in the airbag apparatus on the motor bike is characterized in that,
Be included on the air bag step that forms fitting portion, this fitting portion is by means of limit the mobile of this air bag when the airbag inflation with the handlebar tabling of above-mentioned motor bike.
6. the manufacture method of airbag apparatus as claimed in claim 5 is characterized in that,
When being arranged on above-mentioned airbag apparatus on the above-mentioned motor bike, by means of being configured in this air bag in-to-in tether tractive is carried out at the position towards above-mentioned handlebar of above-mentioned air bag, thereby above-mentioned air bag form recess towards above-mentioned handlebar one side, on above-mentioned air bag, fitting portion is set thus.
CNB200310101398XA 2002-10-17 2003-10-17 Air bag device, motorcycle with air bag device and manufacturing method of air bag device Expired - Fee Related CN100376431C (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP303459/2002 2002-10-17
JP2002303459A JP4181843B2 (en) 2002-10-17 2002-10-17 Airbag device, motorcycle with airbag device, and method of manufacturing airbag device

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CN1496911A CN1496911A (en) 2004-05-19
CN100376431C true CN100376431C (en) 2008-03-26

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JP4671754B2 (en) * 2005-05-09 2011-04-20 タカタ株式会社 Airbag device, motorcycle with airbag device
JP4636935B2 (en) * 2005-05-09 2011-02-23 タカタ株式会社 Airbag device, saddle riding type vehicle with airbag device
JP4606243B2 (en) * 2005-05-09 2011-01-05 タカタ株式会社 Airbag device, motorcycle with airbag device
JP4679376B2 (en) * 2006-01-25 2011-04-27 タカタ株式会社 Motorcycle airbag device, motorcycle
JP4804966B2 (en) * 2006-03-14 2011-11-02 本田技研工業株式会社 Airbag device for vehicle
JP4519167B2 (en) * 2007-12-27 2010-08-04 本田技研工業株式会社 Saddle riding
JP5086831B2 (en) 2008-02-19 2012-11-28 本田技研工業株式会社 Motorcycle
JP2009196410A (en) * 2008-02-19 2009-09-03 Honda Motor Co Ltd Motorcycle
JP7314315B2 (en) 2020-01-11 2023-07-25 オートリブ ディベロップメント エービー motorcycle airbag device
FR3106808B1 (en) * 2020-01-31 2022-01-28 Autoliv Dev Scooter with safety device including an inflatable cushion
WO2021199363A1 (en) * 2020-03-31 2021-10-07 本田技研工業株式会社 Saddle-ride type vehicle
WO2023100544A1 (en) * 2021-11-30 2023-06-08 オートリブ ディベロップメント エービー Vehicle airbag device

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JP2004136790A (en) 2004-05-13
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