CN101314360B - Steering wheel for vehicle - Google Patents
Steering wheel for vehicle Download PDFInfo
- Publication number
- CN101314360B CN101314360B CN200810108670XA CN200810108670A CN101314360B CN 101314360 B CN101314360 B CN 101314360B CN 200810108670X A CN200810108670X A CN 200810108670XA CN 200810108670 A CN200810108670 A CN 200810108670A CN 101314360 B CN101314360 B CN 101314360B
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- China
- Prior art keywords
- aforementioned
- cover
- vehicle
- steering wheel
- connecting part
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- Expired - Fee Related
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- Air Bags (AREA)
Abstract
The invention relates to a vehicle steering wheel which inhibits rupture of a decorative cover component caused by bending deformation in a front direction of the vehicle along with an amplitude section, and also prevents a rupture section generated due to the rupture of the decorative cover component from being exposed to passenger side. The vehicle steering wheel includes: a steering wheel body(10) which is integrated via connection of the amplitude section (13) between a hub section (11) to a wheel section (12), the hub section (11) includes a mounting part for a gasbag assembly and a connection part with a steering shaft; and the decorative cover component (30), which is respectively jointed with the connection parts (32, 33) on the hub section (11) and on the amplitude section (13) near the wheel section (12), for the purpose of being fixed, so as to cover the amplitude section (13) from the passenger side. The decorative cover component (30) is provided with a bendable deformation section (31a) between two connection parts (32, 33), the bendable deformation section is able to form elastic deformation and plastic deformation corresponding to bending loads in front and back directions of the vehicle.
Description
Technical field
The present invention relates to a kind of steering wheel for vehicle, be particularly related to a kind of steering wheel for vehicle: steering wheel main body with following parts, it makes from being connected by spoke portion between hub portion to the wheel portion integrated, this hub portion have air bag component installation portion and with the connecting part of steering shaft; And the cover of upholstery parts, its in the aforementioned hub portion and aforementioned the wheel link connecting part respectively in portion or near the aforementioned aforementioned spoke portion of taking turns the portion and be fixed, to cover above-mentioned spoke portion at least from passenger side.
This steering wheel for vehicle for example as described in the following patent documentation 1, utilizes the cover of upholstery parts that are assembled on the steering wheel main body, makes aesthetic appearance good.
Patent documentation 1: the spy opens the 2006-151116 communique
On above-mentioned patent documentation 1 described steering wheel for vehicle, under the situation that the cover of upholstery parts are for example formed by hard resin, if in the wheel portion of steering wheel main body, apply load to vehicle front, then the cover of upholstery parts might break to vehicle front flexural deformation along with spoke portion, and its fracture portion might expose to the surface of bearing circle (passenger side).
The present invention proposes in order to address the above problem, a kind of steering wheel for vehicle is provided, it has: steering wheel main body, and it makes from being connected and integrated by spoke portion between hub portion to the wheel portion, and this hub portion has the installation portion of air bag component and the connecting part that links with steering shaft; And cover of upholstery parts, it is linking the 1st connecting part and is linking the 2nd connecting part and be fixed near the spoke portion wheel portion or the wheel portion in hub portion, to cover above-mentioned spoke portion at least from passenger side, aforementioned cover of upholstery parts, have flexible variant part between the 1st connecting part and the 2nd connecting part, it can be corresponding with the bending load of vehicle fore-and-aft direction and elastic deformation or plastic deformation takes place.
On the steering wheel for vehicle that the present invention relates to, if in the wheel portion of steering wheel main body, apply load to vehicle front, then the cover of upholstery parts along with spoke portion to the flexural deformation of vehicle front and on its flexible variant part, carry out elastic deformation or plastic deformation.Therefore, can suppress, suppress to break and fracture portion exposes to bearing circle surface (passenger side) along with the cover of upholstery parts along with spoke portion causes the cover of upholstery parts to break (fracture) to the flexural deformation of vehicle front.
In addition, when enforcement was of the present invention, aforementioned flexible variant part was provided with otch by the back side at aforementioned cover of upholstery parts and forms.In the case, can utilize the otch on the back side that is located at the cover of upholstery parts, the flexible variant part that easily makes the cover of upholstery parts is along with spoke portion carries out flexural deformation to vehicle front flexural deformation.
In addition, when enforcement is of the present invention, this two-layerly constitutes by base material and skin material at least also can to make aforementioned cover of upholstery parts, and this base material has aforementioned flexible variant part, and this skin material is formed by the material (for example leather or soft synthetic resin) of the softness that applies on this substrate surface.In the case, even under the situation that base material ruptures to vehicle front flexural deformation along with spoke portion, also can utilize the skin material on surface and the fracture portion that suppresses base material exposes to surface (passenger side).
In addition, when enforcement is of the present invention, aforementioned cover of upholstery parts are formed by aluminium or soft synthetic resin.In these cases, because the cover of upholstery parts are formed by aluminium or soft synthetic resin (material that is difficult to rupture with respect to bending load), even spoke portion is to vehicle front flexural deformation, the cover of upholstery parts also are difficult to fracture, expose to bearing circle surface (passenger side) so can suppress the fracture portion of cover of upholstery parts.
In addition, when enforcement is of the present invention, also can make aforementioned cover of upholstery parts between aforementioned the 1st connecting part and the 2nd connecting part, have the 3rd connecting part, it extends from the back side of cover of upholstery parts to aforementioned spoke portion, extending end and the binding of aforementioned spoke portion, on the 3rd connecting part, the buckled portion that formation can make aforementioned spoke portion buckle to vehicle front flexural deformation the time.In the case, can buckle by the buckled portion that utilization is formed on the aforementioned cover of upholstery parts, suppress the cover of upholstery parts along with spoke portion to vehicle front flexural deformation and break (fracture) is especially, effective under the bigger situation of vehicle front flexural deformation in spoke portion.In addition, because the buckled portion of cover of upholstery parts is formed on the 3rd connecting part, the 3rd connecting part extends to the spoke portion of steering wheel main body from the back side of cover of upholstery parts, links by extending end and spoke portion, so can buckling of the portion's of buckling generation can not expose to passenger side.
Description of drawings
Fig. 1 is the integral structure figure of an embodiment of the bearing circle that the present invention relates to of expression.
Fig. 2 is the amplification profile along the 2-2 line of Fig. 1.
Fig. 3 is the front elevation of steering wheel main body shown in Figure 1.
Fig. 4 is the amplification profile along the 4-4 line of Fig. 3.
Fig. 5 is the amplification profile along the 5-5 line of Fig. 3.
Fig. 6 is that the part of the flexible variant part of presentation graphs 1 and each cover of upholstery parts shown in Figure 3 is amplified the elevation profile lateral plan.
Fig. 7 is that the part of the buckled portion of presentation graphs 1 and each cover of upholstery parts shown in Figure 3 is amplified the bench section upward view.
Fig. 8 is the action specification figure of foot under the less situation of vehicle front flexural deformation in the spoke portion of steering wheel main body.
Fig. 9 be foot in the spoke portion of steering wheel main body to vehicle front flexural deformation more than or equal to the action specification figure under the situation of specified amount.
Figure 10 is that the part of the distortion embodiment of the ornamental portion in presentation graphs 1 and each cover of upholstery parts shown in Figure 3 is amplified the elevation profile lateral plan.
The specific embodiment
Below, an embodiment of the invention are described with reference to the accompanying drawings.Fig. 1 represents to be used to implement for motor vehicle bearing circle SH of the present invention, and this bearing circle SH has: steering wheel main body 10; Air bag component 20, it is installed on this steering wheel main body 10; And the cover of upholstery parts 30,40 of pair of right and left, simultaneously, also having cover 90 down, it partly covers the back side of above-mentioned component parts.
Steering wheel main body 10 has hub portion 11 and wheel portion 12 as shown in Figures 2 and 3, has spoke portion 13 simultaneously, and it connects hub portion 11 and wheel portion 12 and makes them integrated.Hub portion 11 is formed by metal sheet, have air bag component 20 installation portion (4 mounting holes) 11a and with connecting part (1 mounting hole) 11b of steering shaft (omitting diagram).Wheel portion 12 has: circular metal-cored 12a; And plastic clad 12b such as polyurethane for example, it coats aforementioned metal core.
The cover of upholstery parts 30 in left side as shown in Figures 1 to 4, be the global formation product of the hard resin system of ABS etc. for example, it covers the part of spoke portion 13, promptly compares the wrist 13a that is positioned at Fig. 3 left side and the 13c of foot in Fig. 3 left side with air bag component 20 from passenger side, it has the ornamental portion of exposing to passenger side 31, and 3 kinds of switch S L1, SL2, SL3 are installed on this ornamental portion 31.
In addition, the cover of upholstery parts 30 in left side have: the 1st connecting part 32, and extend to hub portion 11 at its back side from ornamental portion 31, is extending on the end by thread-forming screw 61 and the mounting hole 11c binding that is arranged in the hub portion 11; And the 2nd connecting part 33 cylindraceous, it protrudes towards the 13c of foot from back side of ornamental portion 31 and forms, and is that the mounting hole 13c1 on the wheel portion side end of the 13c of foot links by thread-forming screw 62 and near the spoke portion 13 wheel portion 12 of being arranged on.
In the present embodiment, shown in Fig. 4 and Fig. 6 (a), between two connecting parts 32,33 of cover of upholstery parts 30, be on the pars intermedia of ornamental portion 31, form flexible variant part 31a.The otch that is provided with to the V of back side side opening word shape (this shape can suitably change) on this flexible variant part 31a back side by the ornamental portion in cover of upholstery parts 30 31 forms.
In addition, flexible variant part 31a can with the bending load that is applied to the vehicle fore-and-aft direction on the cover of upholstery parts 30 (for example, produce because of the 2nd connecting part 33 moves to vehicle front with respect to the 1st connecting part 32) correspondence, produce elastic deformation or plastic deformation, above-mentioned bending load is that two 13c of foot, 13d of the spoke portion 13 in the steering wheel main body 10 produce to vehicle front flexural deformation because of load acts on the bottom of Fig. 1 of the wheel portion 12 the steering wheel main body 10 from passenger side.
In addition, the cover of upholstery parts 30 in left side, between two connecting parts 32,33, has the 3rd connecting part 34, extend to the hub portion side end of the 13c of foot at its back side from ornamental portion 31, extending on the end by thread-forming screw 63 and the mounting hole 13c2 binding that is arranged on the 13c of foot, form the 34a of portion that can buckle on the 3rd connecting part 34, the above-mentioned flexural deformation of its two 13c of foot, 13d in spoke portion 13 is more than or equal to buckling under the situation of specified amount.Can buckle the 34a of portion shown in Fig. 4 and Fig. 7 (a), form by the otch that on the pars intermedia of the 3rd connecting part 34, is provided with to the V of vehicle right openings word shape (this shape can suitably change).
The cover of upholstery parts 40 on right side are as Fig. 1, Fig. 3 and shown in Figure 5, global formation product for hard resin systems such as for example ABS, it covers the part of spoke portion 13, promptly compares the wrist 13b that is positioned at Fig. 3 right side and the 13d of foot on Fig. 3 right side with air bag component 20 from passenger side, it has the ornamental portion of exposing to passenger side 41, and 3 kinds of switch S R1, SR2, SR3 are installed on this ornamental portion 41.
In addition, the cover of upholstery parts 40 on right side have: the 1st connecting part 42, and extend to hub portion 11 at its back side from ornamental portion 41, is extending on the end by thread-forming screw 71 and the mounting hole 11d binding that is arranged in the hub portion 11; And the 2nd connecting part 43 cylindraceous, it protrudes towards the 13d of foot from back side of ornamental portion 41 and forms, by thread-forming screw 72 be arranged near the wheel portion 12 spoke portion 13, be that mounting hole 13d1 on the wheel portion side end of the 13d of foot links.
In the present embodiment, shown in Fig. 5 and Fig. 6 (b), between two connecting parts 42,43 of cover of upholstery parts 40, be on the pars intermedia of ornamental portion 41, form flexible variant part 41a.This flexible variant part 41a forms by the otch that is provided with to the V of back side side opening word shape (this shape can suitably change) on the back side of the ornamental portion 41 of cover of upholstery parts 40.
In addition, flexible variant part 41a can with the bending load that is applied to the vehicle fore-and-aft direction on the cover of upholstery parts 40 (for example, produce because of the 2nd connecting part 43 moves to vehicle front with respect to the 1st connecting part 42) correspondence, and generation elastic deformation or plastic deformation, above-mentioned bending load is that two 13c of foot, 13d of the spoke portion 13 in the steering wheel main body 10 produce to vehicle front flexural deformation because of load acts on Fig. 1 bottom of the wheel portion 12 the steering wheel main body 10 from passenger side.
In addition, the cover of upholstery parts 40 on right side, between two connecting parts 42,43, has the 3rd connecting part 44, extend to the hub portion side end of the 13d of foot at its back side from ornamental portion 41, extending on the end by thread-forming screw 73 and the mounting hole 13d2 binding that is arranged on the 13d of foot, form the 44a of portion that can buckle on the 3rd connecting part 44, it can be buckled under more than or equal to the situation of specified amount in the above-mentioned flexural deformation of two 13c of foot, 13d of spoke portion 13.Can buckle the 44a of portion shown in Fig. 5 and Fig. 7 (b), form by the otch that on the pars intermedia of the 3rd connecting part 44, is provided with to the V of vehicle right openings word shape (this shape can suitably change).
On the bearing circle SH of the present embodiment of formation as noted above, if bottom used load from Fig. 1 of the wheel portion 12 of passenger side to steering wheel main body 10, two 13c of foot, 13d making the spoke portion 13 in the steering wheel main body 10 are to vehicle front flexural deformation, then the cover of upholstery parts 40 with right side in Fig. 8 and Fig. 9 are shown in the example, along with the flexural deformation of two 13c of foot, 13d of spoke portion 13, each cover of upholstery parts 30,40 carries out elastic deformation or plastic deformation at its flexible variant part 31a, 41a place.Therefore, can suppress along with two 13c of foot, 13d in the spoke portion 13 to the flexural deformation of vehicle front and break (fracture) of each cover of upholstery parts 30,40, suppress that fracture portion exposes to bearing circle surface (passenger side) along with breaking of each cover of upholstery parts 30,40.
In addition, on the bearing circle SH of present embodiment, flexible variant part 31a, the 41a of each cover of upholstery parts 30,40, form by on the back side of each cover of upholstery parts 30,40, otch being set, can along with two 13c of foot, 13d in the spoke portion 13 to vehicle front flexural deformation, easily carry out the flexible variant part 31a of each cover of upholstery parts 30,40, the flexural deformation of 41a with simple shape.
In addition, on the bearing circle SH of present embodiment, each cover of upholstery parts 30,40, between two connecting parts 3233,4243, has the 3rd connecting part 34,44, extend to the 13c of spoke portion, 13d at its back side from each cover of upholstery parts, link with the 13c of spoke portion, 13d extending on the end, but form the buckling distortion 34a of portion, 44a on above-mentioned each the 3rd connecting part 34,44, its two 13c of foot, 13d in spoke portion 13 can buckle under more than or equal to the situation of specified amount to vehicle front flexural deformation.
Therefore, as the cover of upholstery parts 40 with right side among Fig. 9 is shown in the example, by buckling by the 34a of buckled portion, the 44a that are formed on each cover of upholstery parts 30,40, can suppress along with two 13c of foot, 13d in the spoke portion 13 to vehicle front flexural deformation and each cover of upholstery parts 30,40 breaks (fracture), especially, two 13c of foot, 13d in spoke portion 13 are effective under the bigger situation of vehicle front flexural deformation.In addition, because each decoration is put the 34a of buckled portion, the 44a of parts 30,40 and is formed on the 3rd connecting part 34,44, these the 3rd connecting parts 34,44 extend from the 13c of each foot, the 13d of the back side to the spoke portion 13 of steering wheel main body 10 of each cover of upholstery parts 30,40, the 13c of each foot, 13d with spoke portion 13 on the extension end link, and buckling that the 34a of portion, 44a place produce so each can be buckled can not exposed to passenger side.
In the above-described embodiment, the ornamental portion with each flexible variant part 31a, 41a 31,41 of each cover of upholstery parts 30,40 is implemented for monolayer constructions will, but also can be as shown in figure 10, with this two-layer formation of base material 31A, 41A and skin material 31B, 41B at least and implement, these base materials 31A, 41A have aforementioned flexible variant part 31a, 41a, and these skin materials 31B, 41B are formed by the material (for example leather or soft synthetic resin) of the softness that the surface at this base material 31A, 41A forms.In the case, even along with the 13c of each foot, 13d in the spoke portion 13 to vehicle front flexural deformation and under the situation of base material 31A, 41A fracture, the fracture portion that also can utilize skin material 31B, the 41B on surface to suppress base material 31A, 41A exposes to surface (passenger side).
In addition, in the above-described embodiment, each cover of upholstery parts 30,40 is made of hard resin and implements, but also can be that each cover of upholstery parts is formed by aluminium or soft synthetic resin and implements.In these cases, because each cover of upholstery parts is formed by aluminium or soft synthetic resin material (material that is difficult to rupture with respect to bending load), even the 13c of each foot, 13d in the spoke portion are to vehicle front flexural deformation, each cover of upholstery parts also is difficult to fracture, exposes to bearing circle surface (passenger side) so can suppress the fracture portion of each cover of upholstery parts.
In addition, in the above-described embodiment, the 2nd connecting part 33,43 (installation portion of wheel portion side) of each cover of upholstery parts 30,40 is linked with near the wheel portion 12 spoke portion 13 and implement, but also circular metal-cored (12a) of the 2nd connecting part (33,43) of each cover of upholstery parts (30,40) and wheel portion (12) or plastic clad (12b) can be linked and implement.
In addition, in the above-described embodiment, on each cover of upholstery parts 30,40, will have each the 3rd connecting part 34,44 of the 34a of portion, 44a of can buckling and be arranged between two connecting parts 3233,4243 and implement, but the 3rd connecting part 34,44 also can be set and implement.In addition, in the above-described embodiment, switch S L1, SL2, SL3, SR1, SR2, SR3 are set on each cover of upholstery parts 30,40 and implement, but also can these switches be arranged on each cover of upholstery parts and implement.
Claims (6)
1. steering wheel for vehicle, it has:
Steering wheel main body, it makes from being connected and integrated by spoke portion between hub portion to the wheel portion, and this hub portion has the installation portion of air bag component and the connecting part that links with steering shaft; And
The cover of upholstery parts, it is linking the 1st connecting part and is linking the 2nd connecting part in portion or near the above-mentioned above-mentioned spoke portion of taking turns the portion and be fixed above-mentioned the wheel in above-mentioned hub portion, covering above-mentioned spoke portion at least from passenger side,
It is characterized in that,
Aforementioned cover of upholstery parts have flexible variant part between aforementioned the 1st connecting part and aforementioned the 2nd connecting part, it can be corresponding with the bending load of vehicle fore-and-aft direction and elastic deformation or plastic deformation takes place.
2. steering wheel for vehicle as claimed in claim 1 is characterized in that,
Aforementioned flexible variant part is provided with otch by the back side at aforementioned cover of upholstery parts and forms.
3. steering wheel for vehicle as claimed in claim 1 is characterized in that,
At least this two-layerly constitutes aforementioned cover of upholstery parts by base material and skin material, and this base material has aforementioned flexible variant part, and this skin material forms by form soft material at this substrate surface.
4. steering wheel for vehicle as claimed in claim 1 is characterized in that,
Aforementioned trim cover material is formed by aluminium.
5. steering wheel for vehicle as claimed in claim 1 is characterized in that,
Aforementioned cover of upholstery parts are formed by the soft synthetic resin material.
6. as any described steering wheel for vehicle in the claim 1 to 5, it is characterized in that,
Aforementioned cover of upholstery parts have the 3rd connecting part between aforementioned the 1st connecting part and aforementioned the 2nd connecting part, it extends from the back side of cover of upholstery parts to aforementioned spoke portion, extending end and the binding of aforementioned spoke portion, on the 3rd connecting part, be formed on the buckled portion that aforementioned spoke portion can be buckled when vehicle front flexural deformation.
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2007143903A JP2008296699A (en) | 2007-05-30 | 2007-05-30 | Steering wheel for vehicle |
| JP2007-143903 | 2007-05-30 | ||
| JP2007143903 | 2007-05-30 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN101314360A CN101314360A (en) | 2008-12-03 |
| CN101314360B true CN101314360B (en) | 2010-12-08 |
Family
ID=40105537
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN200810108670XA Expired - Fee Related CN101314360B (en) | 2007-05-30 | 2008-05-30 | Steering wheel for vehicle |
Country Status (2)
| Country | Link |
|---|---|
| JP (1) | JP2008296699A (en) |
| CN (1) | CN101314360B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| TWI633027B (en) * | 2014-09-19 | 2018-08-21 | 鴻海精密工業股份有限公司 | Vehicle security system |
Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2014031092A (en) * | 2012-08-02 | 2014-02-20 | Nippon Plast Co Ltd | Steering wheel |
| JP6224917B2 (en) | 2013-05-30 | 2017-11-01 | 日本プラスト株式会社 | Steering wheel |
| JP6147643B2 (en) * | 2013-10-28 | 2017-06-14 | 日本プラスト株式会社 | Steering wheel |
| JP6417224B2 (en) * | 2015-01-15 | 2018-10-31 | 芦森工業株式会社 | Steering wheel |
| US11541926B2 (en) * | 2020-09-01 | 2023-01-03 | Toyoda Gosei Co., Ltd. | Steering wheel |
Family Cites Families (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS579666A (en) * | 1980-06-23 | 1982-01-19 | Koyo Jidoki | Drum with circumferential length adjustable |
| JPS58206462A (en) * | 1982-05-26 | 1983-12-01 | Nissan Motor Co Ltd | Steering wheel |
| JPH02133955A (en) * | 1988-11-15 | 1990-05-23 | Mitsubishi Electric Corp | Semiconductor integrated circuit device |
| JP3036760B2 (en) * | 1989-10-05 | 2000-04-24 | 住友大阪セメント株式会社 | Cathode ray tube formed with electromagnetic wave shielding film and method of manufacturing the same |
| JP2527285B2 (en) * | 1991-12-26 | 1996-08-21 | 日本プラスト株式会社 | Airbag cover body |
| JPH08207782A (en) * | 1995-01-31 | 1996-08-13 | Suzuki Motor Corp | Steering wheel structure for automobile |
| JP4543807B2 (en) * | 2004-07-21 | 2010-09-15 | マツダ株式会社 | Steering wheel with airbag device |
-
2007
- 2007-05-30 JP JP2007143903A patent/JP2008296699A/en not_active Withdrawn
-
2008
- 2008-05-30 CN CN200810108670XA patent/CN101314360B/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| TWI633027B (en) * | 2014-09-19 | 2018-08-21 | 鴻海精密工業股份有限公司 | Vehicle security system |
Also Published As
| Publication number | Publication date |
|---|---|
| CN101314360A (en) | 2008-12-03 |
| JP2008296699A (en) | 2008-12-11 |
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Legal Events
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|---|---|---|---|
| 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 | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20101208 Termination date: 20130530 |