CN100441446C - Housing for an airbag module - Google Patents
Housing for an airbag module Download PDFInfo
- Publication number
- CN100441446C CN100441446C CNB2005800009221A CN200580000922A CN100441446C CN 100441446 C CN100441446 C CN 100441446C CN B2005800009221 A CNB2005800009221 A CN B2005800009221A CN 200580000922 A CN200580000922 A CN 200580000922A CN 100441446 C CN100441446 C CN 100441446C
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- CN
- China
- Prior art keywords
- shell
- bearing circle
- steering wheel
- articulated mounting
- wheel hub
- 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
A housing for an airbag module for arranging on the steering wheel of a motor vehicle comprises a hinge mechanism for pivotably fixing the housing to a steering wheel and at least one fixing mechanism for additionally mounting the housing on the steering wheel in a floating manner. The hinge mechanism and the fixing mechanism are arranged at a distance from each other. The inventive housing also comprises a contact mechanism for triggering a vehicle horn. The contact mechanism is arranged at a distance from the hinge mechanism, and the housing mounted in a floating manner can be pivoted about the hinge mechanism in order to trigger the vehicle horn by applied pressure.
Description
Technical field
The present invention relates to be used for the shell of air bag component.
Background technology
Be well known that the center that these air bag components is fastened on frame of handwheel by the air bag component shell is locked in correct position.In order to trigger horn for vehicle, be that shell distributes loudspeaker plate separately at the center of frame of handwheel, this loudspeaker plate is generally arranged with ralocatable mode by screw.Trigger horn for vehicle by the pressure that is applied on the shell then, shell since this pressure and be displaced in the axial direction frame of handwheel in intracardiac.
Yet the shortcoming of these designs not only need to be very big loudspeaker plate, and simultaneously must mobile in the axial direction loudspeaker plate triggering horn for vehicle, this show application force very high and required to actuate distance relatively large.
Therefore, the present invention is based on the problem of the shell that is provided for air bag component, this shell is used to trigger horn for vehicle, and because of compact conformation and to actuate the short performance of distance remarkable.
Summary of the invention
The shell that is used for air bag component according to the present invention that is used to be arranged on the bearing circle of power actuated vehicle provides: at least one articulated mounting, and described at least one articulated mounting is used for shell is fastened on bearing circle pivotly; With at least one securing device, described at least one securing device is used in addition shell being floated being installed in bearing circle; Described articulated mounting and described securing device are arranged in the position that is spaced apart from each other.And, according to the present invention, shell has the contact device that is used to trigger horn for vehicle, and this contact device is arranged in and described articulated mounting spaced positions place, can pivot around described articulated mounting with the ralocatable mode housing mounted, thus the pressure activated horn for vehicle by being applied in.This shell is characterised in that, at least one aligning gear is provided, be used for shell is centered in bearing circle, and, carry out the unsteady installation of shell by described securing device and at least one spring element.
The following realization compact design of shell according to the present invention: contact device directly is arranged on the shell, actuates the lower pressure that distance and vehicle driver apply and trigger horn for vehicle, but this point results from the pivotability of shell around articulated mounting again with very short.By shell according to the present invention, the distance of actuating that can realize 1 millimeter at the most, is specially 0.5 to 0.3 millimeter is used to trigger horn for vehicle.
In an advantageous embodiment of the present invention, shell also has at least one aligning gear, and described at least one aligning gear is used for shell is centered in bearing circle.This has guaranteed shell according to the present invention stably is arranged on the bearing circle.
Articulated mounting can be arranged on the spoke of bearing circle, more properly be arranged in steering wheel spoke with the contiguous zone of steering wheel hub on.Owing to the short throw of lever that produces as its result, this measure allows to be used to trigger the very briefer moving distance of loudspeaker.
For example can being designed to, the securing device of lock hook advantageously is arranged in the zone of steering wheel hub.This allows shell simply to be fastened in the zone of steering wheel hub by being locked in to shell is arranged in the opening in the bearing circle.
Realize the unsteady installation of shell by described securing device and at least one spring element, the securing device that is designed to lock hook plays by shell is locked onto correct position the effect that shell is fastened on the bearing circle.Simultaneously, at least one spring element that is arranged between shell and the bearing circle produces the power that will apply, and described power acts on shell and the bearing circle in the opposite direction.This makes and can carry out operation to loudspeaker according to shell of the present invention.
In favourable improvement of the present invention, the contact device that is arranged on the shell is designed to contact plate, and this contact plate can be arranged on that side of faces direction dish hub in the installation site of shell.Contact plate particularly advantageously is the design of the shape of a hoof or U-shaped, as the result of this point, and the shape of contact plate and the form fit of shell.Guarantee to trigger reliably horn for vehicle like this.
Also solve this problem by being used for having of the power actuated vehicle bearing circle that is used for the shell of air bag component according to the present invention.Be installed on the bearing circle for shell is floated, the described securing device of shell is bonded in lockable mode in the regional interior opening that is arranged in steering wheel hub, and shell is shelved on regional at least one the interior spring element that is arranged in steering wheel hub.
Articulated mounting advantageously is arranged in the zone of distributing to steering wheel hub on the steering wheel spoke.Thereby shell can pivot on the direction of described articulated mounting at steering wheel hub under the pressure effect that be applied in.
Described aligning gear in the zone of steering wheel hub can be bonded in the supporting member of bearing circle equally, thereby reduces the motion of shell.
The pivot of shell can contact the contact plate that is arranged on the shell with the loudspeaker cable in the zone that is arranged in steering wheel hub, thereby triggers loudspeaker.
Description of drawings
With the present invention will be described with exemplary embodiment with reference to the accompanying drawings, in these accompanying drawings;
Figure 1A illustrates the transparent view that is arranged in the shell that is used for air bag component on the bearing circle, and this shell is as the part of the device that is used to actuate horn for vehicle;
Figure 1B illustrates layout according to Figure 1A from opposition side;
Fig. 2 A illustrates and is used for planar view air bag component, that be arranged in the shell on the bearing circle;
Fig. 2 B illustrates the cutaway view of the layout shown in Fig. 2 A along axis A-A;
Fig. 2 C illustrates the cutaway view of the device shown in Fig. 2 A along axis B-B;
Fig. 3 illustrates the exploded drawings of device that is used to actuate horn for vehicle at the center of waiting to be arranged in frame of handwheel;
Fig. 4 illustrates frame of handwheel, and in this frame of handwheel, the device that is used to actuate horn for vehicle can integrate with the shell that is used for air bag component;
Fig. 5 illustrates the cutaway view of the shell that is used for air bag component at the center that is engaged in frame of handwheel.
The specific embodiment
Figure 1A and 1B illustrate the shell that is used for air bag component 1 that is arranged on the bearing circle 5 from opposite visual angle, this air bag component is used to be arranged in the bearing circle of power actuated vehicle.
Shelly shell 1 has base plate 36, and this base plate 36 has the outstanding edge of side direction, and the edge that this side direction is outstanding extends on the periphery direction along whole base plate 36, and forms six side surfaces 30,31,32,33,34,35.Two side surfaces that first side surface 30 of shell 1 and two extend away from each other with symmetric mode, i.e. second side surface 31 and the 3rd side surface 32 adjacency, these two side surfaces 31 and 32 are incorporated the 4th side surface 33 and the 5th side surface 34 into, and the 4th side surface 33 self is connected by the 6th side surface 35 with the 5th side surface 34, the 6th side surface 35 is opposed and parallel with first side surface 30, arranges shell 1 is fastened to two articulated mountings 2 on the bearing circle 5 pivotly on this first side surface 30.
Have four spokes 40,41,42,43 at the bearing circle that is furnished with shell 15 shown in Figure 1A, in all cases, first spoke 40 and second spoke 41 are arranged in the position that is called 6 o ' clock positions substantially, that is the position that the basic permission power actuated vehicle that is arranged in the bearing circle 5 of vehicle is downwards kept straight on forward with pointing on driver's direction.The 3rd spoke 42 (can't see in Figure 1A) is arranged in 10 o ' clock positions, and the 4th spoke 43 is arranged in 2 o ' clock positions.
In Figure 1A, can also see, be pivotably mounted on first spoke 40 and second spoke 41 of bearing circle 5 by being arranged in shell 1 that articulated mounting 2 on first side surface 30 will be used for air bag component.
Be used for shell 1 is centered in opposed the 4th side surface 33 and the 5th side surface 34 that corresponding aligning gear 3 on the bearing circle 5 is arranged in shell 1.Here, corresponding aligning gear 3 forms pin, and each pin joint is in the supporting member 11 at the center that is arranged in bearing circle 5.
According to Figure 1B, in addition, being used for shell 1 floated is installed to the zone that the 6th side surface 35 is located in bottom that securing device 4 on the bearing circle 5 is arranged in shell 1, and described securing device is designed to lock hook 4 with spring element 15 combinations at this.After corresponding lock hook 4 passed the opening at the center that is arranged in bearing circle 5, this corresponding lock hook 4 can be locked in and be arranged in bearing circle 5 downsides recessed.Like this, shell 1 is just in the zone of facing the hub 6 that is arranged in bearing circle 5 on that side of vehicle driving person of bearing circle 5.
In the zone of also arranging lock hook 4 of shell 1, cause between the zone of the base plate 36 by two spring elements 15 being arranged in shell 1 and the hub 6 of bearing circle 5 that floating of shell 1 is fixing.To make the layout of spring element 15 become clearer below with reference to Fig. 3.
Fig. 2 A illustrates and is used for planar view air bag component, that be arranged in the embodiment shown in Figure 1 of the shell 1 on the bearing circle 5, can see all four spokes 40,41,42,43 of bearing circle 5 by Fig. 2 A.Can also see that in the figure the base plate 36 of shell has the circular open of hub 6 tops that are arranged in bearing circle 5.Can place by this opening and to be used for gas generator that air bag is put on the air.Air bag is securable on the shell 1 equally, and this can infer from Fig. 3.
From Fig. 2 A, Fig. 2 B illustrates the cutaway view according to axis A-A, and Fig. 2 C to illustrate according to axis B-B be the cutaway view of direction of passage dish hub 6.Fig. 2 B and 2C clearly illustrate that shell 1 directly is not shelved on the bearing circle 5.On the contrary, shell 1 is pivotably mounted on the bearing circle 5 on first spoke 40 and second spoke 41, and owing to float and install, thereby shell 1 can be offset on the direction in the zone of the hub 6 of bearing circle 5 under the pressure effect that be applied in.
Fig. 3 illustrates with exploded drawings and is used to the shell 1 of actuating the device of horn for vehicle and being used for air bag component.In assembling this when device, air bag 14 is placed as on the central opening that the inlet opening that makes it is placed into shell 1, and utilizes suitable fastening air bag 14 to be fixed on the shell 1 by retaining ring 13.Utilize loam cake 25 to cover this device towards the driver.
Be arranged on that side opposite of base plate 36 of shell 1 for horseshoe-shaped contact plate 9 in the present embodiment with air bag 14.In this case, corresponding flank that side with articulated mounting 2 from shell in the fringe region of the base plate 36 of shell that can produce the contact that triggers loudspeaker of this contact plate 9 is extended in the direction that forms lock hook 4 of securing device 4.The central area of the flank of the connection contact plate 9 of contact plate 9 is arranged in the zone of articulated mounting 2 on the base plate 36, promptly in the zone of first side surface of shell 1.
Be fixed on the bearing circle 5 for shell 1 is floated, shell 1 be shelved on the loudspeaker spring be on the spring element 15 of form with articulated mounting 2 opposed zones in, these spring elements 15 self are shelved in the central area of bearing circle 5.As mentioned above, shell 1 is locked in the center of bearing circle 5 by lock hook 4.The gas generator 16 (being preferably single-stage design) that is used under impact events air bag 14 being put on the air is projected into the central opening of shell 1 from the direction of the hub 6 of bearing circle 5.This gas generator 16 is fastened on the bearing circle 5 by at least one groove 17.And, be used to trigger loudspeaker and the current-carrying loudspeaker cable 18 that projects upwards is arranged in the central area of bearing circle 5 on the direction of contact plate 9.
The opposite pressure of the spring force with spring element 15 generations that the vehicle driving person is applied on the loam cake 25 causes that shell 1 is around the pivot skew of articulated mounting 2 on the direction of the central area of bearing circle 5.Like this, the contact plate 9 that is arranged on the shell 1 contacts with current-carrying loudspeaker cable 18 by its flank, thereby triggers horn for vehicle.
Therefore, actual loudspeaker operation does not occur on first spoke 40 and second spoke 41 that are arranged in 6 o ' clock positions of frame of handwheel 5, but occur in the opposed substantially zone of shell 1, the 4th side surface 33 that is furnished with contact plate 9 and the 5th side surface 34 along shell 1 takes place specifically.Contact plate 9 contacts with rivet 17 under the pressure effect that is applied in, and these rivets 17 are arranged and are connected in the zone of hub 6 of bearing circle 5, and these rivets 17 are by being connected on the loudspeaker cable 18 and current-carrying.
After end was exerted pressure, the reset force of spring element 15 interrupted this contact once more, and therefore made shell 1 upwards promptly pivot on vehicle driving person's direction around articulated mounting 2, thereby finished audible warning.
Trigger the above-mentioned layout at the small distance place, central area of the required loudspeaker cable 18 of loudspeaker by the layout from bearing circle 5 of shell 1, can reduce to trigger loudspeaker required actuate distance, this is because the layout of utilizing articulated mounting by shell can make the throw of lever minimum.Therefore can obtain less than 1 millimeter, be specially 0.5 to 0.3 millimeter the distance of actuating.
Fig. 4 illustrates frame of handwheel 5, and after assembling, the device that can be actuated horn for vehicle being used to shown in Fig. 3 is installed in the central area of this frame of handwheel 5.For this purpose, the holding device 21 that is pushed into by two energy side direction in the opening of shell 1 of the device shown in Fig. 3 is fastened on the bearing circle 5.
On the direction of vertical column, cover this device with lower cover 26 then.
Then, in order to finish bearing circle 5, in the situation of the embodiment that illustrates, utilize screw 22 multifunction switch and the spoke assembly 20 that is used for the various devices that are arranged in power actuated vehicle are operated all can be arranged in the upside of device, thereby present the bearing circle 5 that is suitable for being installed in the power actuated vehicle.
Be engaged in the bearing circle 5 shown in the cutaway view of Fig. 5, be used to actuate horn for vehicle, having cutaway view according to the device of shell 1 of the present invention.The shell 1 that is used for air bag component is centered in bearing circle 5 by aligning gear 3, and this aligning gear 3 is the form of at least one centering element, and this aligning gear 3 is bonded in the opening that is arranged on the steering wheel hub 6.Can also see that shell 1 is fastened on the bearing circle 5 by holding device 21.Loam cake 25 and lower cover 26 surround the device that is used to actuate horn for vehicle.
Claims (11)
1. shell that is used for air bag component, this shell is used to be arranged in the bearing circle of power actuated vehicle, and has:
At least one articulated mounting (2), described at least one articulated mounting (2) are used for shell (1) is pivotably mounted on bearing circle (5); With
At least one securing device (4), described at least one securing device (4) are used in addition shell (1) being floated being installed in bearing circle (5),
Described articulated mounting (2) and described securing device (4) are arranged in the position that is spaced apart from each other of shell (1); And
Be used to trigger the contact device (9) of horn for vehicle, this contact device is arranged in and described articulated mounting (2) spaced positions place,
Can pivot around described articulated mounting (2) with ralocatable mode housing mounted (1), thus the pressure activated horn for vehicle by being applied in,
This shell is characterised in that,
At least one aligning gear (3) is provided, is used for shell (1) is centered in bearing circle (5), and
Carry out the unsteady installation of shell by described securing device (4) and at least one spring element (15).
2. shell according to claim 1 is characterized in that, described securing device (4) is designed to lock hook (4).
3. shell according to claim 1 and 2 is characterized in that, described contact device is designed to contact plate (9).
4. shell according to claim 3 is characterized in that, described contact plate (9) is arranged on that side of faces direction dish hub (6) in the installation site of shell (1).
5. shell according to claim 3 is characterized in that, described contact plate (9) designs for the shape of a hoof.
6. bearing circle that is used for power actuated vehicle, this bearing circle has the shell (1) that is used for air bag component according to claim 1.
7. bearing circle according to claim 6, it is characterized in that, for being floated, shell (1) is installed on the bearing circle (5), the described securing device (4) of shell (1) is bonded in the regional interior opening that is arranged in steering wheel hub (6) in lockable mode, and shell (1) is shelved on regional interior at least one spring element (15) that is arranged in steering wheel hub (6).
8. according to claim 6 or 7 described bearing circle, it is characterized in that described articulated mounting (2) is arranged on the steering wheel spoke (40,41) and distributes in the zone of steering wheel hub (6).
9. bearing circle according to claim 6 is characterized in that, described at least one aligning gear (3) in the zone of steering wheel hub (6) is bonded in the supporting member (11) of bearing circle (5).
10. bearing circle according to claim 6 is characterized in that, shell (1) can pivot on the direction of steering wheel hub (6) around described articulated mounting (2) under the pressure effect that is applied in.
11. bearing circle according to claim 6 is characterized in that, the pivot of shell (1) can contact the contact plate (9) that is arranged on the shell (1) with the loudspeaker cable (18) in the zone that is arranged in steering wheel hub (6), thereby triggers loudspeaker.
Applications Claiming Priority (4)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US54517204P | 2004-02-18 | 2004-02-18 | |
| DE102004008557.9 | 2004-02-18 | ||
| US60/545,172 | 2004-02-18 | ||
| DE102004051434.8 | 2004-10-20 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1842449A CN1842449A (en) | 2006-10-04 |
| CN100441446C true CN100441446C (en) | 2008-12-10 |
Family
ID=37031092
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNB2005800009221A Expired - Fee Related CN100441446C (en) | 2004-02-18 | 2005-02-15 | Housing for an airbag module |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN100441446C (en) |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE102008013526B4 (en) * | 2008-03-07 | 2012-02-02 | Autoliv Development Ab | Safety arrangement and method for producing a safety arrangement |
| DE102009047690A1 (en) * | 2009-12-08 | 2011-06-09 | Takata-Petri Ag | vehicle steering wheel |
| JP5287699B2 (en) * | 2009-12-25 | 2013-09-11 | 豊田合成株式会社 | Pad cover fastening structure and pad cover fastening method |
| US9545877B2 (en) * | 2015-02-03 | 2017-01-17 | Ford Global Technologies, Llc | Steering wheel bezel with integrated horn switch function |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5294147A (en) * | 1991-07-13 | 1994-03-15 | Uta Clifford Limited | Crash protection device |
| US6244620B1 (en) * | 1999-04-09 | 2001-06-12 | Trw Automotive Safety Systems Gmbh & Co. Kg | Steering wheel with airbag module |
| US20020084634A1 (en) * | 1999-06-08 | 2002-07-04 | Heinz-Dieter Adomeit | Airbag module for steering wheels |
| US20020153714A1 (en) * | 2001-04-18 | 2002-10-24 | Martin Kreuzer | Assembly unit having an airbag module and a vehicle steering wheel |
| US20020153708A1 (en) * | 2001-04-18 | 2002-10-24 | Trw Automotive Safety Systems Gmbh & Co. Kg | Airbag module |
| US6659498B2 (en) * | 2001-08-01 | 2003-12-09 | Trw Automotive Safety Systems Gmbh & Co. Kg | Steering wheel with movable airbag module |
-
2005
- 2005-02-15 CN CNB2005800009221A patent/CN100441446C/en not_active Expired - Fee Related
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5294147A (en) * | 1991-07-13 | 1994-03-15 | Uta Clifford Limited | Crash protection device |
| US6244620B1 (en) * | 1999-04-09 | 2001-06-12 | Trw Automotive Safety Systems Gmbh & Co. Kg | Steering wheel with airbag module |
| US20020084634A1 (en) * | 1999-06-08 | 2002-07-04 | Heinz-Dieter Adomeit | Airbag module for steering wheels |
| US20020153714A1 (en) * | 2001-04-18 | 2002-10-24 | Martin Kreuzer | Assembly unit having an airbag module and a vehicle steering wheel |
| US20020153708A1 (en) * | 2001-04-18 | 2002-10-24 | Trw Automotive Safety Systems Gmbh & Co. Kg | Airbag module |
| US6659498B2 (en) * | 2001-08-01 | 2003-12-09 | Trw Automotive Safety Systems Gmbh & Co. Kg | Steering wheel with movable airbag module |
Also Published As
| Publication number | Publication date |
|---|---|
| CN1842449A (en) | 2006-10-04 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20081210 Termination date: 20160215 |