CN103121430B - The decorative cover of the air bag being arranged on vehicle steering - Google Patents
The decorative cover of the air bag being arranged on vehicle steering Download PDFInfo
- Publication number
- CN103121430B CN103121430B CN201310072801.4A CN201310072801A CN103121430B CN 103121430 B CN103121430 B CN 103121430B CN 201310072801 A CN201310072801 A CN 201310072801A CN 103121430 B CN103121430 B CN 103121430B
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- decorative cover
- sipes
- square
- capitate
- cover body
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Abstract
The decorative cover of this air bag being arranged on vehicle steering, has decorative cover body, is provided with square sipes in decorative cover rear body centre position and forms weakening structure, and square sipes both sides are provided with two short line of weakness, and decorative cover body perimeter is provided with capitate groove.This decorative cover changes the mode of conventional security airbag deployment, on decorative cover, do not use the design of decorative cover tear line, the weakening structure of square sipes it is provided with as renovating rotating shaft after decorative cover, the material thickness ratio of square sipes is relatively thin, during renovating, play the effect of a rotating shaft, use flip structure, decorative cover periphery to be filled by capitate groove and capitate head card with airbag housing, change the mode of conventional security airbag deployment, it is easy to open；Meanwhile, the both sides of sipes are provided with two short line of weakness, owing to, after decorative cover, even if there being injection shrink mark, also not interfering with the surface quality of decorative cover.
Description
Technical field
The present invention relates to the decorative cover of a kind of air bag being arranged on vehicle steering.
Background technology
Existing air bag decorative cover is provided with line of weakness structure, upon deployment of the airbag, decorative cover tears from tear line position, owing to the material thickness of tear line position is thinner than periphery material thickness, the width of tear line is narrow, so easily producing injection shrink mark on the surface of injection moulding process middle decorating cover, affect the appearance quality of decorative cover.
Summary of the invention
The purpose of the present invention overcomes drawbacks described above exactly, it is provided that a kind of decorative cover being arranged on air bag, it is easy to open, and improves the appearance quality in decorative cover A face.
The technical solution of the present invention is:
The decorative cover of this air bag being arranged on vehicle steering, including decorative cover body, is provided with square sipes and forms weakening structure in decorative cover rear body centre position, and square sipes both sides are provided with two short line of weakness, and decorative cover body perimeter is provided with capitate groove.
Described decorative cover body perimeter is additionally provided with gathering sill.
The invention has the beneficial effects as follows: change the mode of conventional security airbag deployment, on decorative cover, do not use the design of decorative cover tear line, the weakening structure of square sipes it is provided with as renovating rotating shaft after decorative cover, the material thickness ratio of square sipes is relatively thin, during renovating, play the effect of a rotating shaft, use flip structure, decorative cover periphery to be filled by capitate groove and capitate head card with airbag housing, change the mode of conventional security airbag deployment, it is easy to open；Meanwhile, the both sides of sipes are provided with two short line of weakness, owing to, after decorative cover, even if there being injection shrink mark, also not interfering with the surface quality of decorative cover.
Accompanying drawing explanation
Fig. 1 is the overall back side schematic perspective view of the present invention；
Fig. 2 is the overall front schematic perspective view of the present invention；
Fig. 3 is the overall rear view of the present invention；
Fig. 4 is the A-A sectional view of Fig. 3；
Fig. 5 is the B-B sectional view of Fig. 3；
Fig. 6 is that the decorative cover of the present invention assembles schematic diagram with housing；
Fig. 7 is the I portion partial enlarged drawing of Fig. 6；
Fig. 8 is the rear view after decorative cover and the housing of the present invention assembles；
Fig. 9 is the C-C sectional view of Fig. 8；
Figure 10 is the II portion enlarged drawing of Fig. 9；
Figure 11 is that the present invention separates schematic diagram with housing；
Figure 12 is that the present invention renovates process schematic.
Detailed description of the invention
As shown in Figure 1, Figure 2 and Figure 3, decorative cover body 5 rear portion is provided with square sipes 1 and forms weakening structure, the left and right sides of square sipes 1 is provided with two short line of weakness 2L and 2R, it is provided with backboard 3 on rear side of square sipes 1, decorative cover body 5 is connected as a single entity by square sipes 1 with backboard 3, the left and right sides of square sipes 1 is provided with two short line of weakness 2L and 2R, decorative cover body 5 periphery is provided with decorative cover enclosure wall 4, backboard 3 and decorative cover enclosure wall 4 are perpendicular to decorative cover body 5 surface, backboard 3 is provided with square hole 3A, and decorative cover enclosure wall 4 is provided with multiple capitate groove 4A, gathering sill 4B.
As shown in Figure 4, the material thickness D1 of square sipes 1 is thinner than the material thickness D2 of its periphery；As it is shown in figure 5, short line of weakness 2R cross section triangularity, the base material thickness D3 of short line of weakness 2R is thin compared with the material thickness D4 of its periphery.The shape of short line of weakness 2L is identical with short line of weakness 2R.
As shown in Figure 6, Figure 7, during installation, the backboard 3 of this decorative cover is assembled together with airbag housing 6, and the boss 6A clamping on the square hole 3A on the backboard 3 of decorative cover and airbag housing 6.
As shown in Fig. 8, Fig. 9 and Figure 10, decorative cover enclosure wall 4 is connected with the periphery of airbag housing 6, capitate groove 4A on decorative cover enclosure wall 4 forms multiple buckle structure with the capitate head 6B phase clamping on airbag housing 6, and guide ledges 6C on airbag housing 6 is inserted in the gathering sill 4B on decorative cover enclosure wall 4.
As shown in figure 11, when air bag point is quick-fried, safety air bag inflation in airbag housing 6 expands, thrust F1 promotes decorative cover, owing to airbag housing 6 maintains static, the periphery shackle portion relative motion (dotted line direction motion as shown in Figure 7) of decorative cover enclosure wall 4 and airbag housing 6, wherein, capitate head 6B ramp produces F2 power and the capitate groove 4A of decorative cover is strutted.The capitate groove 4A of final decorative cover departs from the capitate head 6B of housing 6.
As shown in figure 12, owing to square sipes 1 thickness of decorative cover is thin, after the capitate groove 4A of decorative cover departs from the capitate head 6B of airbag housing 6, square sipes 1 yield deformation, and as rotating shaft, decorative cover begins turning.Meanwhile, in decorative cover switching process, two short line of weakness 2L on decorative cover and 2R tear.
Claims (1)
1. the decorative cover of the air bag being arranged on vehicle steering, there is decorative cover body, it is characterized in that: be provided with square sipes in decorative cover rear body centre position and form weakening structure, square sipes both sides are provided with two short line of weakness, it is provided with backboard on rear side of square sipes, decorative cover body is connected as a single entity by square sipes with backboard, decorative cover body perimeter is provided with decorative cover enclosure wall, backboard and decorative cover enclosure wall are perpendicular to decorative cover body surface, backboard is provided with for the square hole with the boss phase clamping on airbag housing, decorative cover enclosure wall is provided with multiple capitate groove for forming buckle structure with the capitate head phase clamping on airbag housing, multiple gathering sills for plugging with the guide ledges on airbag housing, gathering sill is arranged in capitate groove two side position along decorative cover enclosure wall length direction；
The material thickness of square sipes is thinner than the material thickness of its periphery, and short line of weakness cross section base material thickness triangular in shape and short line of weakness is thin compared with the material thickness of its periphery；
During installation, backboard with decorative cover enclosure wall together with the perimeter mounted of airbag housing, when air bag point is quick-fried, safety air bag inflation in airbag housing expands, and promotes decorative cover body, and airbag housing maintains static, decorative cover enclosure wall and airbag housing generation relative motion, capitate groove is strutted by capitate head, and final capitate groove departs from capitate head, square sipes yield deformation, and as rotating shaft, decorative cover body begins turning, and in decorative cover body switching process, two short line of weakness on decorative cover body tear.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310072801.4A CN103121430B (en) | 2013-03-07 | 2013-03-07 | The decorative cover of the air bag being arranged on vehicle steering |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310072801.4A CN103121430B (en) | 2013-03-07 | 2013-03-07 | The decorative cover of the air bag being arranged on vehicle steering |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103121430A CN103121430A (en) | 2013-05-29 |
| CN103121430B true CN103121430B (en) | 2016-10-05 |
Family
ID=48452648
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201310072801.4A Active CN103121430B (en) | 2013-03-07 | 2013-03-07 | The decorative cover of the air bag being arranged on vehicle steering |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN103121430B (en) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104590196B (en) * | 2015-01-05 | 2018-08-31 | 上海东方久乐汽车安全气囊有限公司 | A kind of cover board of air bag and the steering wheel air bag device including the cover board |
| CN106114439A (en) * | 2016-08-25 | 2016-11-16 | 太航常青汽车安全设备(苏州)有限公司 | The tear line structure of air bag decorative cover |
| CN113997519A (en) * | 2020-07-28 | 2022-02-01 | 奥托立夫开发公司 | Processing device and injection molding method |
Family Cites Families (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5645295A (en) * | 1996-04-02 | 1997-07-08 | Trw Vehicle Safety Systems Inc. | Seat mounted air bag module |
| DE29917942U1 (en) * | 1999-10-12 | 2000-02-24 | TRW Occupant Restraint Systems GmbH & Co. KG, 73553 Alfdorf | Airbag module with housing |
| DE102007011656B3 (en) * | 2007-03-09 | 2008-04-30 | Autoliv Development Ab | Covering unit for use in modern motor vehicle, has gating point lying on attenuation grooves for controlled opening of plastic unit during expansion of gas bag, where grooves extend from surface into plastic unit |
| CN201143921Y (en) * | 2007-12-12 | 2008-11-05 | 比亚迪股份有限公司 | Cover plate for safety air bag |
| CN202413693U (en) * | 2011-12-13 | 2012-09-05 | 浙江吉利汽车研究院有限公司 | Installation structure for automobile passenger airbag cover |
| DE102011122465B3 (en) * | 2011-12-24 | 2013-02-28 | Autoliv Development Ab | Made of plastic covering element for a driver's gas bag module and cover consisting of such a cover and a coating arranged on this |
| CN202508049U (en) * | 2012-03-23 | 2012-10-31 | 延锋百利得（上海）汽车安全系统有限公司 | Main air bag door closure with grooves and mounting convenience |
-
2013
- 2013-03-07 CN CN201310072801.4A patent/CN103121430B/en active Active
Also Published As
| Publication number | Publication date |
|---|---|
| CN103121430A (en) | 2013-05-29 |
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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 | ||
| CP01 | Change in the name or title of a patent holder | ||
| CP01 | Change in the name or title of a patent holder |
Address after: 121000, No. 4, Bohai Avenue, Jinzhou economic and Technological Development Zone, Liaoning, 16 Patentee after: JINZHOU JINHENG AUTOMOTIVE SAFETY SYSTEM CO.,LTD. Address before: 121000, No. 4, Bohai Avenue, Jinzhou economic and Technological Development Zone, Liaoning, 16 Patentee before: Jinzhou Jinheng Automotive Safety System Co.,Ltd. |
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| PE01 | Entry into force of the registration of the contract for pledge of patent right | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of invention: Trim cover of supplementary restraint system and installed on car steering wheel Effective date of registration: 20200608 Granted publication date: 20161005 Pledgee: Jinzhou Bank Co.,Ltd. urban construction sub branch Pledgor: JINZHOU JINHENG AUTOMOTIVE SAFETY SYSTEM Co.,Ltd. Registration number: Y2020210000024 |
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| PC01 | Cancellation of the registration of the contract for pledge of patent right | ||
| PC01 | Cancellation of the registration of the contract for pledge of patent right |
Date of cancellation: 20230222 Granted publication date: 20161005 Pledgee: Jinzhou Bank Co.,Ltd. urban construction sub branch Pledgor: JINZHOU JINHENG AUTOMOTIVE SAFETY SYSTEM CO.,LTD. Registration number: Y2020210000024 |