WO2022142701A1 - Ensemble de fixation d'ensemble carte de circuit imprimé pour coussin de sécurité gonflable de sécurité de volant de direction - Google Patents

Ensemble de fixation d'ensemble carte de circuit imprimé pour coussin de sécurité gonflable de sécurité de volant de direction Download PDF

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Publication number
WO2022142701A1
WO2022142701A1 PCT/CN2021/127895 CN2021127895W WO2022142701A1 WO 2022142701 A1 WO2022142701 A1 WO 2022142701A1 CN 2021127895 W CN2021127895 W CN 2021127895W WO 2022142701 A1 WO2022142701 A1 WO 2022142701A1
Authority
WO
WIPO (PCT)
Prior art keywords
printed circuit
circuit board
cover
mounting groove
fixing assembly
Prior art date
Application number
PCT/CN2021/127895
Other languages
English (en)
Chinese (zh)
Inventor
梁铭飞
桑瑞刚
Original Assignee
奥托立夫开发公司
梁铭飞
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by 奥托立夫开发公司, 梁铭飞 filed Critical 奥托立夫开发公司
Publication of WO2022142701A1 publication Critical patent/WO2022142701A1/fr

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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60R—VEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISE PROVIDED FOR
    • B60R16/00—Electric or fluid circuits specially adapted for vehicles and not otherwise provided for; Arrangement of elements of electric or fluid circuits specially adapted for vehicles and not otherwise provided for
    • B60R16/02—Electric or fluid circuits specially adapted for vehicles and not otherwise provided for; Arrangement of elements of electric or fluid circuits specially adapted for vehicles and not otherwise provided for electric constitutive elements
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60R—VEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISE PROVIDED FOR
    • B60R21/00—Arrangements or fittings on vehicles for protecting or preventing injuries to occupants or pedestrians in case of accidents or other traffic risks
    • B60R21/02—Occupant safety arrangements or fittings, e.g. crash pads
    • B60R21/16—Inflatable occupant restraints or confinements designed to inflate upon impact or impending impact, e.g. air bags
    • B60R21/20—Arrangements for storing inflatable members in their non-use or deflated condition; Arrangement or mounting of air bag modules or components
    • B60R21/203—Arrangements for storing inflatable members in their non-use or deflated condition; Arrangement or mounting of air bag modules or components in steering wheels or steering columns

Definitions

  • the invention relates to the technical field of automobiles, in particular to a printed circuit board fixing assembly for a steering wheel airbag.
  • the existing steering wheel airbag does not have the function of fixing the PCBA (Printed Circuit Board Assembly) on the cover after assembly. It is difficult to design features on the cover to hold the PCBA without affecting demolding, and it is difficult to design features on the steering wheel airbag to hold the PCBA without affecting the die angular travel.
  • PCBA Print Circuit Board Assembly
  • the purpose of the present invention is to overcome the deficiencies of the prior art, and to provide a printed circuit board fixing assembly for a steering wheel airbag that can fix the printed circuit board without affecting the demoulding.
  • the technical solution of the present invention provides a printed circuit board fixing assembly for a steering wheel airbag, including a cover, the cover includes an outer decorative cover and an inner cover, and a space between the outer decorative cover and the inner cover is provided an installation groove, the installation groove is used for accommodating the printed circuit board, a side wall of the installation groove is provided with an elastic deformation gap, the natural opening area of the installation groove is smaller than the area of the printed circuit board, the printed circuit After the board is inserted into the mounting groove, the elastic deformation notch deforms so that the mounting groove clamps the printed circuit board.
  • installation grooves are arranged along the longitudinal direction of the cover.
  • installation grooves are arranged along the lateral direction of the cover.
  • the installation groove is arranged in any direction in the 1-12 o'clock direction of the cover.
  • the elastic deformation gap is a U-shaped gap opened along the length direction of the installation groove.
  • a reinforcing fixing member is also included, and the reinforcing fixing member clamps or compresses the installation groove.
  • the reinforcing fixing member includes a claw, and the claw clamps the installation groove.
  • the reinforcing fastener extends from the airbag module.
  • the side wall of the installation groove is provided with an elastic deformation gap. It can enter into the mounting groove, and the elastic deformation notch tends to shrink, so that the mounting groove clamps the printed circuit board in it for holding and fixing.
  • the structure of the fixing assembly can not only fix the printed circuit board, but also does not affect the demoulding of the cover.
  • FIG. 1 is a schematic diagram of a printed circuit board fixing assembly in Embodiment 1 of the present invention.
  • Fig. 2 is the partial enlarged view of A place in Fig. 1;
  • Fig. 3 is the schematic diagram after adding the second reinforcement fixing member at A in Fig. 1;
  • FIG. 4 is a schematic diagram of a printed circuit board fixing assembly in Embodiment 2 of the present invention.
  • Fig. 5 is a partial enlarged view at B in Fig. 4;
  • FIG. 6 is a schematic view after adding a second reinforcing fixing member at B in FIG. 4 .
  • Cover 1 outer decorative cover 11, inner cover 12;
  • Installation slot 2 elastic deformation gap 21;
  • the printed circuit board 10 The printed circuit board 10 , the wires 101 , the airbag module 20 .
  • a printed circuit board fixing assembly for a steering wheel airbag includes a cover 1 .
  • the cover 1 includes an outer decorative cover 11 and an inner cover 12 , and between the outer decorative cover 11 and the inner cover 12 is provided Mounting slot 2, the mounting slot 2 is used for accommodating the printed circuit board 10, a side wall of the mounting slot 2 is provided with an elastic deformation notch 21, the natural opening area of the mounting slot 2 is smaller than the area of the printed circuit board 10, and the printed circuit board 10 is inserted After entering the mounting groove 2 , the elastic deformation notch 21 deforms so that the mounting groove 2 clamps the printed circuit board 10 .
  • the cover 1 is used to cover the upper part of the airbag module 20 and is located in the center of the steering wheel.
  • An inverted view of the cover 1 is shown in FIG. 1 .
  • the cover 1 includes an outer decoration cover 11 and an inner cover 12 , the outer decoration cover 11 is located above, and the inner cover 12 is covered above the airbag module 20 and connected to the airbag module 20 .
  • the mounting groove 2 is provided in the space between the outer decorative cover 11 and the inner cover 12 .
  • the mounting groove 2 is substantially a rectangular cylinder.
  • the elastic deformation notch 21 is opened on one side wall of the installation groove 2.
  • the installation groove 2 is in a natural state, or is installed between the printed circuit boards 10.
  • the area of the natural opening area of the installation groove 2 is smaller than the area of the printed circuit board 10. of. Therefore, when the printed circuit board 10 is inserted into the mounting slot 2, the mounting slot 2 will be opened, the elastic deformation notch 21 provides a deformation amount for the deformation of the mounting slot 2, and the width of the elastic deformation notch 21 increases, so that the mounting slot 2 The opening area is increased, and the printed circuit board 10 can be placed therein.
  • the elastic deformation notch 21 tends to shrink back to the initial state, that is, the mounting slot 2 tends to shrink inwardly, so that the printed circuit board 10 can be compressed therein, keeping the It is stable and avoids the separation between the printed circuit board 10 and the cover 1 during driving or when the airbag is deployed.
  • the structure of the fixing assembly can fix the printed circuit board 10 without affecting the demoulding of the cover 1 .
  • the installation grooves 2 are arranged along the longitudinal direction of the cover 1 , and the “longitudinal direction” here refers to the direction along the central axis of the steering wheel.
  • the installation grooves 2 are arranged along the lateral direction of the cover 1 , and the “lateral direction” here is a direction perpendicular to the central axis of the steering wheel.
  • the installation groove 2 may be arranged in any direction in the 1-12 o'clock direction of the cover 1 .
  • the mounting slot 2 can be set at the 1 o'clock position or the 8 o'clock position
  • the elastic deformation notch 21 is a U-shaped notch opened along the length direction of the installation groove 2 .
  • the U-shaped notch is conducive to elastic deformation and is also convenient for processing.
  • the elastic deformation notch 21 can also be a notch of other shapes, such as a V-shaped notch, a circular arc-shaped notch, and the like.
  • a reinforcing fixing member 3 is further included, and the reinforcing fixing member 3 clamps the mounting groove 2 .
  • the reinforcing fixing member 3 includes a clamping claw 31 , and the clamping claw 31 clamps the mounting groove 2 .
  • the claws 31 are in contact with two opposite sides of the mounting groove 2 and are pressed tightly, and the claws 31 clamp the mounting groove 2 , so that the installation stability of the printed circuit board 10 is increased.
  • the reinforced fixing member 3 presses the installation groove 2 tightly.
  • There is only one reinforcing fixing member 3 which is in contact with one side wall of the installation groove 2 and pressed tightly, also to increase the installation stability of the printed circuit board 10 .
  • the reinforcement fixing member 3 extends from the airbag module 20 .
  • One end of the reinforcing fixing member 3 is connected with the airbag module 20 , and the other end extends to the installation groove 2 and interferes with the installation groove 2 .
  • the printed circuit board fixing assembly for the steering wheel airbag in the first embodiment includes a cover 1.
  • the cover 1 includes an outer decorative cover 11 and an inner cover 12.
  • the outer decorative cover 11 and the inner cover There is a mounting slot 2 between the 12, the mounting slot 2 is used to accommodate the printed circuit board 10, a side wall of the mounting slot 2 is provided with an elastic deformation gap 21, and the natural opening area of the mounting slot 2 is smaller than the area of the printed circuit board 10, After the printed circuit board 10 is inserted into the mounting groove 2 , the elastic deformation notch 21 deforms so that the mounting groove 2 clamps the printed circuit board 10 .
  • the installation groove 2 is arranged in the longitudinal direction, and the elastic deformation notch 21 is a U-shaped notch opened along the length direction of the installation groove 2 .
  • It also includes a reinforcing fixing member 3, one end of the reinforcing fixing member 3 is connected with the airbag module 20, and the other end extends out of a claws 31, and the claws 31 are in contact with and abut against two opposite sides of the installation groove 2 for clamping and installation. slot 2 , thereby increasing the connection stability of the printed circuit board 10 inside the mounting slot 2 .
  • wires 101 of the printed circuit board 10 are connected from the printed circuit board 10, they are electrically connected to other electronic components.
  • the joint action of the elastic deformation notch 21, the installation groove 2 and the claws 31 increases the connection stability of the printed circuit board 10, and prevents the printed circuit board 10 from contacting the printed circuit board 10 during bumpy driving or when the airbag is deployed. Cover 1 is disengaged.
  • Embodiment 2 is a diagrammatic representation of Embodiment 1:
  • the difference between the second embodiment and the first embodiment is that the mounting grooves 2 are arranged in the lateral direction, that is, the extending direction of the mounting grooves 2 is perpendicular to the direction of the central axis of the steering wheel.
  • one side wall of the installation groove 2 may also be provided with an elastic deformation notch 21 , and the printed circuit board 10 is installed in the installation groove 2 and clamped.
  • one end of the reinforcing fixing member 3 is connected to the airbag module 20 , and the other end is bent and extended to contact and press a side wall of the installation slot 2 to increase the connection stability of the printed circuit board 10 .
  • connection stability of the printed circuit board 10 is increased through the joint action of the elastic deformation notch 21, the installation groove 2 and the claws 31, so as to prevent the printed circuit board 10 from interacting with the printed circuit board 10 during bumpy driving or when the airbag is deployed. Cover 1 is disengaged.

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Air Bags (AREA)

Abstract

Ensemble de fixation d'ensemble carte de circuit imprimé destiné à un coussin de sécurité gonflable de sécurité d'un volant de direction. L'ensemble de fixation comprend un couvercle (1), le couvercle (1) comprenant un couvercle décoratif externe (11) et un couvercle interne (12), une rainure de montage (2) étant disposée entre le couvercle décoratif externe (11) et le couvercle interne (12) ; la rainure de montage (2) étant utilisée pour recevoir un ensemble carte de circuit imprimé (10) ; une encoche de déformation élastique (21) étant disposée dans une paroi latérale de la rainure de montage (2) ; la surface d'une ouverture naturelle de la rainure de montage (2) étant inférieure à la surface de l'ensemble carte de circuit imprimé (10) ; et après que l'ensemble carte de circuit imprimé (10) est inséré dans la rainure de montage (2), l'encoche de déformation élastique (21) se déformant pour amener la rainure de montage (2) à serrer l'ensemble carte de circuit imprimé (10). La structure de l'ensemble de fixation peut non seulement fixer un ensemble carte de circuit imprimé, mais également n'affecte pas le démoulage du couvercle.
PCT/CN2021/127895 2020-12-28 2021-11-01 Ensemble de fixation d'ensemble carte de circuit imprimé pour coussin de sécurité gonflable de sécurité de volant de direction WO2022142701A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CN202023229314.9U CN214138455U (zh) 2020-12-28 2020-12-28 用于方向盘安全气囊的印刷电路板固定组件
CN202023229314.9 2020-12-28

Publications (1)

Publication Number Publication Date
WO2022142701A1 true WO2022142701A1 (fr) 2022-07-07

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ID=77543208

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/CN2021/127895 WO2022142701A1 (fr) 2020-12-28 2021-11-01 Ensemble de fixation d'ensemble carte de circuit imprimé pour coussin de sécurité gonflable de sécurité de volant de direction

Country Status (2)

Country Link
CN (1) CN214138455U (fr)
WO (1) WO2022142701A1 (fr)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN214138455U (zh) * 2020-12-28 2021-09-07 奥托立夫开发公司 用于方向盘安全气囊的印刷电路板固定组件

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1657125A1 (fr) * 2004-11-16 2006-05-17 Mazda Motor Corporation Volant pour un véhicule à moteur
US20140133121A1 (en) * 2012-11-09 2014-05-15 Hon Hai Precision Industry Co., Ltd. Mounting apparatus for circuit boards
CN106741115A (zh) * 2017-02-16 2017-05-31 蚌埠市建金智能科技有限公司 一种汽车多媒体智能方向盘
CN207644337U (zh) * 2017-12-25 2018-07-24 浙江梵隆汽车部件有限公司 一种方向盘气囊腔智能感应控制组件
CN211280816U (zh) * 2019-10-30 2020-08-18 奥托立夫开发公司 方向盘组件
CN214138455U (zh) * 2020-12-28 2021-09-07 奥托立夫开发公司 用于方向盘安全气囊的印刷电路板固定组件

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1657125A1 (fr) * 2004-11-16 2006-05-17 Mazda Motor Corporation Volant pour un véhicule à moteur
US20140133121A1 (en) * 2012-11-09 2014-05-15 Hon Hai Precision Industry Co., Ltd. Mounting apparatus for circuit boards
CN106741115A (zh) * 2017-02-16 2017-05-31 蚌埠市建金智能科技有限公司 一种汽车多媒体智能方向盘
CN207644337U (zh) * 2017-12-25 2018-07-24 浙江梵隆汽车部件有限公司 一种方向盘气囊腔智能感应控制组件
CN211280816U (zh) * 2019-10-30 2020-08-18 奥托立夫开发公司 方向盘组件
CN214138455U (zh) * 2020-12-28 2021-09-07 奥托立夫开发公司 用于方向盘安全气囊的印刷电路板固定组件

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