CN1070789C - Air bag apparatus - Google Patents
Air bag apparatus Download PDFInfo
- Publication number
- CN1070789C CN1070789C CN96104026A CN96104026A CN1070789C CN 1070789 C CN1070789 C CN 1070789C CN 96104026 A CN96104026 A CN 96104026A CN 96104026 A CN96104026 A CN 96104026A CN 1070789 C CN1070789 C CN 1070789C
- Authority
- CN
- China
- Prior art keywords
- air bag
- charging blower
- capsule
- airbag apparatus
- sidewall
- 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.)
- Expired - Fee Related
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Abstract
An air bag device M1 comprises an air bag 1 equipped with a gas inflow port 1a, an inflator 2 feeding gas for expansion to the inflow port 1a, and of a bag holder 4 holding the air bag 1. The air bag 1 is held by the bag holder 4 through the circumferential periphery of the gas inflow port 1a and is held in a space between a flange section 2c and a bag holder 4, the flange section being formed in the outer circumferential surface of the inflator 2 and the back holder 4 disposed at the lower surface side of the flange section 2c. The heat insulating material 10 is disposed at a contact area with the inflator 2 in the circumferential periphery of the gas inflow port 1a of the air bag 1. The air bag device M1 can prevent an air bag from being damaged by heat generated by an inflator.
Description
The present invention relates to a kind of air bag, it is designed to be installed to bearing circle, copilot's seat fwd gauge panel, door, seat, or similarly local on the power actuated vehicle.
Known before this air bag as shown in Figure 1.(seeing European patent notification number No.0625448A1).
This airbag apparatus M0 comprises: 1, one charging blower 2 of air bag that is the leather bag shape, and it has the spout 2b that is used for providing gas to the air bag at main body top; A capsule folder 4 that is used for clamping air bag 1; With one be used for when curving capsule and press from both sides 4, covering the cover 9 that is fixed on capsule folder 4 air bags 1.
In addition, air bag middle part in its lower section has an inlet 1a, and charging blower 2 has a flange portions 2c who is installed in main body 2a outer round surface.Flange 2c has a plurality of bolt of rear end plates so that stretch out downwards.When the chemical reagent of packing in advance within it deflagrated, charging blower 2 was from the unexpected unreactable gas that sprays resemble nitrogen of gas spout 2b.
Capsule folder 4 has a diapire 5 and one from the upwardly extending sidewall 6 in diapire 5 edges.Main body 2a that can make charging blower 2 inserts the middle part that wherein patchhole 5a is arranged on diapire 5 from the top.
Air bag 1 presss from both sides 4 fixed clamp by the capsule that has 1a edge, gas access and presss from both sides between the upper surface at diapire 5 patchhole 5a edges at lower surface and the capsule of charging blower 2 flange portions 2c.The fixing of air bag realizes that by tightening to nut 7 from the bolt 3 that the charging blower flange portions is stretched out this bolt 3 not only is inserted into the edge of gas access 1a, and enters capsule folder diapire 5 patchhole 5a edges.
Cover 9 not only is connected with the sidewall of capsule folder 4, and and make up with the retainer 8 that the capsule clamping fixes on by bolt 3 and nut 7 can not be separated from sidewall 6 so that cover 9.
Yet, conventional airbag apparatus M0, the edge of its air bag 1 gas access 1a contacts with the main body 2a outer round surface that comprises charging blower 2 flange portions 2c.Therefore, when charging blower 2 fills with gas, produce heat, air bag is probably by the cause thermal damage that produces.
The present invention has overcome the problems referred to above, the purpose of this invention is to provide a kind of airbag apparatus, can prevent to cause damage to air bag by the heat that charging blower produces.
Airbag apparatus according to the present invention comprises an air bag that has the gas access; An outer round surface that is included in it is formed with the charging blower of flange, and it is used for inflating to the gas access; A capsule folder that is installed in below the flange is used for the clamping air bag, when air bag during by the clamping of edge, gas access the capsule folder air bag is clamped between flange and the capsule folder and a heat radiation plate that is installed on the charging blower.
According to second described airbag apparatus in aspect of the present invention, heat radiation plate is installed on the charging blower.Even the charging blower heating, the radiation of over-all heat transfer heat radiation plate.As a result, the heat conduction of the air bag that contacts with charging blower is contained, thereby is also just helped to prevent the damage of heat to air bag.
What Fig. 1 represented is the cutaway view of conventional airbag apparatus;
Fig. 2 is the cutaway view of the airbag apparatus of first embodiment of the invention;
Fig. 3 is the upward view of the charging blower of first embodiment;
Fig. 4 is the capsule folder backplan of first embodiment;
Fig. 5 is the cutaway view of second embodiment of the invention.
Fig. 6 is the cutaway view of third embodiment of the invention.
Referring now to accompanying drawing embodiments of the invention are described.The label that can notice the identical or like mentioned and element is identical with conventional example.
As shown in Figure 2, the described airbag apparatus M1 of first embodiment of the invention is designed to can be installed on the steering wheel main body W, and it comprises: 2, one 4, one retainers 8 of capsule folder of 1, one charging blower of an air bag and a cover 9.
This air bag is a leather bag element, and it has a gas access 1a in the middle part down at it.In gas access 1a edge manufacturing the mounting hole 1b that bolt 3 is inserted in it is arranged.
This charging blower 2 has cylindrical-shaped main body 2a in fact as shown in Figures 2 and 3.This main body 2a has and a plurality ofly is used for the gas spout 2b of jet gas at an upper portion thereof and has flange 2c around its outer round surface equally, has 4 bolts 3 on the flange 2c of being fixed in that go out to stretch on it downwards.
As Fig. 2 and shown in Figure 4, this air bag 4 comprises a rectangular bottom wall 5 and the upwardly extending sidewall 6 of the outward flange from diapire 5.The middle part of diapire 5 are the main body 2a that can make charging blower 2 from above insert patchhole 5a in it.Be to make the bolt 3 that stretches out from charging blower 2 penetrate mounting hole 5b in it at patchhole 5a edge.The upper end of sidewall 6 form one can with the engaging groove 9a bonded assembly hook 6a on the cover 9.In addition, nut 6b is fixed to from upwardly extending sidewall 6 parts of the minor face of diapire 5.These nuts are used for airbag apparatus M1 is connected to steering wheel main body W.
The retainer 8 that has two sheets, (seeing the sheet that is shown by long and two-short dash line in Fig. 4) is installed in two sidewall 6 outsides that capsule respect to one another presss from both sides 4 surfaces.Two sheets of retainer 8 are fixed together with capsule folder 4 by bolt 3 and nut 7 respectively.Each retainer sheet 8 comprises a diapire 8a and a sidewall 8c.Diapire 8a is with diapire 5 contacts of capsule folder 4, and sidewall 8c extends upward from the end of diapire 8a.The processing bolt 3 of sening as an envoy to can insert mounting hole 8b in it on diapire 8a.Sidewall 8c is set so that insert in the slot 9b of cover 9 its upper end.
Cover 9 comprises a roof 9c and the sidewall 9d that extends with the form of square tube from the outward flange of roof 9c downwards.Be processed with the engaging groove 9a of the hook 6a that is used to connect capsule folder 4 at the internal circular surfaces of sidewall 9d.Two desired locations on the end face of sidewall 9d are formed with the slot 9b of the upper end of the sidewall 8c that holds retainer sheet 8.
The airbag apparatus M1 of first embodiment of the invention is characterized in that: an annular heat insulating element 10 inserts between the edge and charging blower 2 of air bag 1 inlet 1a.Heat insulating element 10 is made (trading company that is produced by Japanese Courtaulds Co., Ltd. is " Tygasil Silica Fabric Y0551/480 ") by the silicon dioxide fabric, and approximately 1mm is thick, high temperature that not only can about 950 degree of the Chinese People's Anti-Japanese Military and Political College, and have flexibility.This heat insulating element is by sewing up or being bonded on the air bag 1.Can notice that heat insulating element 10 also has mounting hole 10a bolt 3 can be inserted wherein.
The assembling of airbag apparatus will be described below, and charging blower 2 inserts air bag by gas access 1a, and then, the bolt 3 that stretches out downwards from heat guard 2 inserts mounting hole 10a, and the 1b of heat insulating element 10 and air bag 1 are so that stretch out from mounting hole.
Then air bag 1 is closed up, bolt 3 inserts mounting hole 5b respectively makes capsule folder 4 can be arranged on below the airbag 1 whereby.The hook 6a of capsule folder 4 is connected with engaging groove 9a makes cover 9 be installed on the capsule folder 4 whereby.
Then, not only sidewall 8c is inserted the slot 9b on the cover 9, and each bolt 3 is inserted mounting hole 8b.Then, the nut 7 of screwing on bolt 3 makes retainer sheet 8 and capsule folder 4 be fixed together whereby.As a result, airbag apparatus M1 assembling is finished.
Airbag apparatus M1 can be installed on the steering wheel main body W by the nut 6b that capsule presss from both sides on 4.
The described airbag apparatus M1 of first embodiment of the present invention has following characteristic, and after airbag apparatus M1 was installed to power actuated vehicle, air bag 1 was produced and passed through the gas inflated of gas spout 2b injection by charging blower 2.Because heat insulating element 10 is put between 1a edge, gas access and the charging blower 2, even charging blower 2 heatings, heat insulating element 10 postpones to produce hot conduction by charging blower 2.As a result, the destruction to bag of being caused by heat can be prevented from.Air bag 1 inflation behind the roof 9c that disconnects cover 9 gets up.
The described airbag apparatus M2 of second embodiment of the present invention that represents in Fig. 5 comprises 2, one 8, one covers 9 similar to the cover of the airbag apparatus M1 of first embodiment of capsule 4, one retainers of folder of being made by sheetmetal of 1, one charging blower of an air bag.Airbag apparatus M2 and air bag apparatus M1 different be as photothermal heat radiation plate 11 be installed in charging blower 2 main body 2a below.
In the airbag apparatus M2 of second embodiment of the invention, after airbag apparatus M2 is installed to power actuated vehicle, the gas inflated that produces by charging blower 2 when air bag 1, and with gas when gas spout 2b sprays, even charging blower 2 heatings, 11 radiation of over-all heat transfer heat radiation plate.For this reason, pass to air bag 1 that the charging blower main body 2a that comprises flange contacts on heat can be curbed, thus, prevented by heat causes air bag is damaged.
The heat radiation plate 11 of airbag apparatus M2 can be designed to the airbag apparatus M3 of third embodiment of the invention shown in Figure 6 in the second embodiment of the invention, that is: one can press from both sides 4 heat radiation plates 14 of making one with capsule, and it has a sidewall 14b and an annulus 14a.Sidewall 14b extends downwards from the patchhole 5a edge that capsule presss from both sides 4 diapires 5, and annulus 14a contacts with the bottom wall surface of charging blower main body 2a, and it extends internally from the lower end of sidewall 14b.In addition, with regard to regard to the situation of the airbag apparatus M3 of third embodiment of the invention, heat radiation plate 14 also can be used as heat insulating element 10.
Further, be designed to can be cover 9 when being integrally combined according to the present invention first capsule clamp device M1 retainer 8 to M3 in the 3rd embodiment when the capsule folder 4 that will be clamped together the flange portions 2c of charging blower 2 and air bag 1, cover 9 can be connected on the capsule folder sidewall 6 by riveted joint or similar approach, and does not use retainer 8.In this case, be recommended in and use the hard grafting that constitutes by sheetmetal or analogue on the cover 9, so that with resembling the such method of attachment of riveted joint.
Further owing to described the situation that is installed to bearing circle according to the present invention first to the airbag apparatus M1 of the 3rd embodiment to M3, airbag apparatus of the present invention can also be installed on copilot's the seat fwd storage rack or on.
Claims (4)
1. an airbag apparatus comprises:
An air bag that comprises the air bag inlet;
One is included in the charging blower that its outer round surface is formed with flange section, is used for inflating to the gas access;
A capsule folder that is installed in below the flange, the clamping air bag, when air bag was clamped by the edge of gas access, the capsule folder was clamped in air bag between flange section presss from both sides with capsule; And heat radiation plate that is installed on the charging blower.
2. airbag apparatus as claimed in claim 1 is characterized in that heat radiation plate is made up of the high heat conducting metal that has resemble aluminium.
3. airbag apparatus as claimed in claim 1, it is characterized in that heat radiation plate and comprise that the capsule clipping of sidewall and annulus is integral, sidewall extends downwards from the patchhole of capsule folder diapire, and annulus contacts the bottom surface of charging blower, and extends internally from side wall lower ends.
4. airbag apparatus as claimed in claim 1, it also is included in a heat insulating element that is positioned at the contact portion that the edge, gas access contacts with charging blower between air bag and the charging blower.
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP010936/1995 | 1995-01-26 | ||
| JP010936/95 | 1995-01-26 | ||
| JP7010936A JPH08198045A (en) | 1995-01-26 | 1995-01-26 | Air bag device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1146961A CN1146961A (en) | 1997-04-09 |
| CN1070789C true CN1070789C (en) | 2001-09-12 |
Family
ID=11764116
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN96104026A Expired - Fee Related CN1070789C (en) | 1995-01-26 | 1996-01-26 | Air bag apparatus |
Country Status (4)
| Country | Link |
|---|---|
| JP (1) | JPH08198045A (en) |
| CN (1) | CN1070789C (en) |
| AU (1) | AU677929B2 (en) |
| TW (1) | TW304180B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101631698B (en) * | 2007-06-04 | 2011-09-07 | 高田-彼得里公开股份有限公司 | Airbag attachment in an airbag module |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2000289510A (en) * | 1999-04-02 | 2000-10-17 | T S Tec Kk | Airbag device installing seat |
| WO2009014047A1 (en) * | 2007-07-20 | 2009-01-29 | Autoliv Development Ab | Airbag device |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4830401A (en) * | 1987-02-05 | 1989-05-16 | Honda Giken Kogyo Kabushiki Kaisha | Air bag assembly for restraining vehicle occupant |
| US5178409A (en) * | 1990-04-27 | 1993-01-12 | Toyoda Gosei Co., Ltd. | Steering wheel equipped with an air bag system |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5520409A (en) * | 1992-12-15 | 1996-05-28 | Morton International, Inc. | Cover retention in occupant restraint installations |
| US5322324A (en) * | 1993-08-03 | 1994-06-21 | Morton International, Inc. | Cover for an inflatable air bag housing |
| JPH08150891A (en) * | 1994-11-29 | 1996-06-11 | Toyoda Gosei Co Ltd | Air bag device |
-
1995
- 1995-01-26 JP JP7010936A patent/JPH08198045A/en not_active Withdrawn
- 1995-12-15 TW TW084113393A patent/TW304180B/zh active
-
1996
- 1996-01-25 AU AU42202/96A patent/AU677929B2/en not_active Ceased
- 1996-01-26 CN CN96104026A patent/CN1070789C/en not_active Expired - Fee Related
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4830401A (en) * | 1987-02-05 | 1989-05-16 | Honda Giken Kogyo Kabushiki Kaisha | Air bag assembly for restraining vehicle occupant |
| US5178409A (en) * | 1990-04-27 | 1993-01-12 | Toyoda Gosei Co., Ltd. | Steering wheel equipped with an air bag system |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101631698B (en) * | 2007-06-04 | 2011-09-07 | 高田-彼得里公开股份有限公司 | Airbag attachment in an airbag module |
Also Published As
| Publication number | Publication date |
|---|---|
| AU4220296A (en) | 1996-08-01 |
| CN1146961A (en) | 1997-04-09 |
| TW304180B (en) | 1997-05-01 |
| JPH08198045A (en) | 1996-08-06 |
| AU677929B2 (en) | 1997-05-08 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C06 | Publication | ||
| PB01 | Publication | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C19 | Lapse of patent right due to non-payment of the annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |