WO2022142701A1 - Printed circuit board assembly fixing assembly for safety airbag of steering wheel - Google Patents

Printed circuit board assembly fixing assembly for safety airbag of steering wheel 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
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WO
WIPO (PCT)
Prior art keywords
printed circuit
circuit board
cover
mounting groove
fixing assembly
Prior art date
Application number
PCT/CN2021/127895
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French (fr)
Chinese (zh)
Inventor
梁铭飞
桑瑞刚
Original Assignee
奥托立夫开发公司
梁铭飞
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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/en

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    • 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

A printed circuit board assembly fixing assembly for a safety airbag of a steering wheel. The fixing assembly comprises a cover (1), the cover (1) comprising an outer decorative cover (11) and an inner cover (12), wherein a mounting groove (2) is provided between the outer decorative cover (11) and the inner cover (12); the mounting groove (2) is used for accommodating a printed circuit board assembly (10); an elastic deformation notch (21) is provided in a side wall of the mounting groove (2); the area of a natural opening of the mounting groove (2) is smaller than the area of the printed circuit board assembly (10); and after the printed circuit board assembly (10) is inserted into the mounting groove (2), the elastic deformation notch (21) deforms to make the mounting groove (2) clamp the printed circuit board assembly (10). The structure of the fixing assembly can not only fix a printed circuit board assembly, but also does not affect the de-moulding of the cover.

Description

用于方向盘安全气囊的印刷电路板固定组件Printed circuit board mounting assembly for steering wheel airbags 技术领域technical field
本发明涉及汽车的技术领域，尤其涉及一种用于方向盘安全气囊的印刷电路板固定组件。The invention relates to the technical field of automobiles, in particular to a printed circuit board fixing assembly for a steering wheel airbag.
背景技术Background technique
现有的方向盘安全气囊组装后没有将PCBA(印刷电路板，Printed Circuit Board Assembly)固定在罩盖上的功能。在不影响脱模的情况下，很难在罩盖上设计特征以固定PCBA，在向盘安全气囊上设计功能部件以固定PCBA而不影响模角行程是很困难的。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.
因此，有必要设计一种能够对印刷电路板进行固定，又不影响脱模的用于方向盘安全气囊的印刷电路板固定组件。Therefore, it is necessary to design a printed circuit board fixing assembly for a steering wheel airbag that can fix the printed circuit board without affecting the demoulding.
发明内容SUMMARY OF THE INVENTION
本发明的目的在于克服现有技术的不足，提供一种能够对印刷电路板进行固定，又不影响脱模的用于方向盘安全气囊的印刷电路板固定组件。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.
本发明的技术方案提供一种用于方向盘安全气囊的印刷电路板固定组件，包括罩盖，所述罩盖包括外装饰盖和内盖，所述外装饰盖与所述内盖之间设有安装槽，所述安装槽用于容纳印刷电路板，所述安装槽的一侧壁上开设有弹性变形缺口，所述安装槽的自然开口面积小于所述印刷电路板的面积，所述印刷电路板插入到所述安装槽中后，所述弹性变形缺口变形使所述安装槽将所述印刷电路板夹紧。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.
进一步地，所述安装槽沿所述罩盖的纵向布置。Further, the installation grooves are arranged along the longitudinal direction of the cover.
进一步地，所述安装槽沿所述罩盖的横向布置。Further, the installation grooves are arranged along the lateral direction of the cover.
进一步地，所述安装槽设置在所述罩盖的1-12点方向中的任意方向上。Further, the installation groove is arranged in any direction in the 1-12 o'clock direction of the cover.
进一步地，所述弹性变形缺口为沿所述安装槽的长度方向开设的U 形缺口。Further, the elastic deformation gap is a U-shaped gap opened along the length direction of the installation groove.
进一步地，还包括加强固定件，所述加强固定件将所述安装槽夹紧或压紧。Further, a reinforcing fixing member is also included, and the reinforcing fixing member clamps or compresses the installation groove.
进一步地，所述加强固定件包括卡爪，所述卡爪将所述安装槽夹紧。Further, the reinforcing fixing member includes a claw, and the claw clamps the installation groove.
进一步地，所述加强固定件从安全气囊模块延伸出。Further, the reinforcing fastener extends from the airbag module.
采用上述技术方案后，具有如下有益效果：After adopting the above-mentioned technical scheme, it has the following beneficial effects:
本发明中由于设置了用于安装印刷电路板的安装槽，安装槽的侧壁上开设有弹性变形缺口，当印刷电路板插入到安装槽中后，弹性变形缺口变形撑大，使印刷电路板能够进入到安装槽中，弹性变形缺口有缩小的趋势，使得安装槽将印刷电路板夹紧在其中进行保持固定。本固定组件的结构既能够对印刷电路板进行固定，又不影响罩盖的脱模。In the present invention, since the installation groove for installing the printed circuit board is provided, 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.
附图说明Description of drawings
参见附图，本发明的公开内容将变得更易理解。应当理解：这些附图仅仅用于说明的目的，而并非意在对本发明的保护范围构成限制。图中：The disclosure of the present invention will become more readily understood with reference to the accompanying drawings. It should be understood that these drawings are only for the purpose of illustration and are not intended to limit the protection scope of the present invention. In the picture:
图1是本发明实施例一中印刷电路板固定组件的示意图；1 is a schematic diagram of a printed circuit board fixing assembly in Embodiment 1 of the present invention;
图2是图1中A处的局部放大图；Fig. 2 is the partial enlarged view of A place in Fig. 1;
图3是图1中A处增加了第二加强固定件后的示意图；Fig. 3 is the schematic diagram after adding the second reinforcement fixing member at A in Fig. 1;
图4是本发明实施例二中印刷电路板固定组件的示意图；4 is a schematic diagram of a printed circuit board fixing assembly in Embodiment 2 of the present invention;
图5是图4中B处的局部放大图；Fig. 5 is a partial enlarged view at B in Fig. 4;
图6是图4中B处增加了第二加强固定件后的示意图。FIG. 6 is a schematic view after adding a second reinforcing fixing member at B in FIG. 4 .
附图标记对照表：Reference number comparison table:
罩盖1：外装饰盖11、内盖12；Cover 1: outer decorative cover 11, inner cover 12;
安装槽2：弹性变形缺口21；Installation slot 2: elastic deformation gap 21;
加强固定件3：卡爪31；Reinforcing fixture 3: jaw 31;
印刷电路板10、电线101、安全气囊模块20。The printed circuit board 10 , the wires 101 , the airbag module 20 .
具体实施方式Detailed ways
下面结合附图来进一步说明本发明的具体实施方式。The specific embodiments of the present invention will be further described below with reference to the accompanying drawings.
容易理解，根据本发明的技术方案，在不变更本发明实质精神下，本领域的一般技术人员可相互替换的多种结构方式以及实现方式。因此，以下具体实施方式以及附图仅是对本发明的技术方案的示例性说明，而不应当视为本发明的全部或视为对发明技术方案的限定或限制。It is easy to understand that, according to the technical solutions of the present invention, without changing the essential spirit of the present invention, those of ordinary skill in the art can replace various structural modes and implementation modes with each other. Therefore, the following specific embodiments and accompanying drawings are only exemplary descriptions of the technical solutions of the present invention, and should not be regarded as all of the present invention or as limitations or restrictions on the technical solutions of the invention.
在本说明书中提到或者可能提到的上、下、左、右、前、后、正面、背面、顶部、底部等方位用语是相对于各附图中所示的构造进行定义的，它们是相对的概念，因此有可能会根据其所处不同位置、不同使用状态而进行相应地变化。所以，也不应当将这些或者其他的方位用语解释为限制性用语。Orientation terms such as up, down, left, right, front, rear, front, back, top, bottom, etc. mentioned or possibly mentioned in this specification are defined relative to the configurations shown in the respective drawings, which are It is a relative concept, so it may change accordingly according to its different locations and different usage states. Therefore, these and other terms of orientation should not be construed as limiting.
本发明的一些实施例中，用于方向盘安全气囊的印刷电路板固定组件，包括罩盖1，罩盖1包括外装饰盖11和内盖12，外装饰盖11与内盖12之间设有安装槽2，安装槽2用于容纳印刷电路板10，安装槽2的一侧壁上开设有弹性变形缺口21，安装槽2的自然开口面积小于印刷电路板10的面积，印刷电路板10插入到安装槽2中后，弹性变形缺口21变形使安装槽2将印刷电路板10夹紧。In some embodiments of the present invention, 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 .
具体为，如图1所示，罩盖1用于覆盖在安全气囊模块20的上方，并且位于方向盘的中心。图1中显示的罩盖1的倒置视图。罩盖1包括外装饰盖11和内盖12，外装饰盖11位于上方，内盖12罩设在安全气囊模块20的上方，并与安全气囊模块20连接。Specifically, as shown in FIG. 1 , 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 .
如图2所示，安装槽2设置在外装饰盖11与内盖12之间的空间， 安装槽2大致为矩形筒，印刷电路板10放入到安装槽2中，被安装槽2包围。As shown in FIG. 2 , 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.
弹性变形缺口21开设在安装槽2的一个侧壁上，安装槽2在自然状态下，或装入印刷电路板10之间，安装槽2的自然开口面积的面积是小于印刷电路板10的面积的。因此，当印刷电路板10插入到安装槽2中，会将安装槽2撑开，弹性变形缺口21为安装槽2的变形提供了变形量，弹性变形缺口21的宽度增大，使得安装槽2的开口面积增大，能够将印刷电路板10放入其中。当印刷电路板10完全插入到安装槽2中后，弹性变形缺口21有缩回到初始状态的趋势，即安装槽2有向内缩小的趋势，能够将印刷电路板10压紧在其中，保持稳定，避免在行驶过程中，或安全气囊展开时，印刷电路板10与罩盖1之间脱离。本固定组件的结构既能够对印刷电路板10进行固定，又不影响罩盖1的脱模。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. When the printed circuit board 10 is completely inserted into the mounting slot 2, 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 .
可选地，如图2所示，安装槽2沿罩盖1的纵向布置，这里的“纵向”是沿方向盘的中心轴线方向。Optionally, as shown in FIG. 2 , 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.
可选地，如图5所示，安装槽2沿罩盖1的横向布置，这里的“横向”是垂直于方向盘的中心轴线方向。Optionally, as shown in FIG. 5 , 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.
可选地，安装槽2可以设置在罩盖1的1-12点方向中的任意方向上。例如：安装槽2可以设置在1点钟方向的位置上，或8点钟方向的位置上Optionally, the installation groove 2 may be arranged in any direction in the 1-12 o'clock direction of the cover 1 . For example: the mounting slot 2 can be set at the 1 o'clock position or the 8 o'clock position
本发明的一些实施例中，如图2所示，弹性变形缺口21为沿安装槽2的长度方向开设的U形缺口，U形缺口有利于发生弹性变形，也便于加工制造。In some embodiments of the present invention, as shown in FIG. 2 , 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.
可选地，弹性变形缺口21还可以为其他形状的缺口，例如：V形缺 口，圆弧形缺口等。Optionally, 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.
本发明的一些实施例中，如图3所示，还包括加强固定件3，加强固定件3将安装槽2夹紧。In some embodiments of the present invention, as shown in FIG. 3 , a reinforcing fixing member 3 is further included, and the reinforcing fixing member 3 clamps the mounting groove 2 .
进一步地，加强固定件3包括卡爪31，卡爪31将安装槽2夹紧。Further, the reinforcing fixing member 3 includes a clamping claw 31 , and the clamping claw 31 clamps the mounting groove 2 .
卡爪31与安装槽2的相对两侧面接触并压紧，卡爪31将安装槽2夹紧，使得印刷电路板10的安装稳定性增加。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.
本发明的一些实施例中，如图6所示，加强固定件3将安装槽2压紧。加强固定件3只有一根，与安装槽2的一侧壁接触并压紧，也是为了增加印刷电路板10的安装稳定性。In some embodiments of the present invention, as shown in FIG. 6 , 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 .
进一步地，加强固定件3从安全气囊模块20延伸出。加强固定件3的一端与安全气囊模块20连接，另一端延伸到安装槽2处，并与安装槽2抵触。Further, 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 .
实施例一：Example 1:
如图1-3所示，实施例一中的用于方向盘安全气囊的印刷电路板固定组件，包括罩盖1，罩盖1包括外装饰盖11和内盖12，外装饰盖11与内盖12之间设有安装槽2，安装槽2用于容纳印刷电路板10，安装槽2的一侧壁上开设有弹性变形缺口21，安装槽2的自然开口面积小于印刷电路板10的面积，印刷电路板10插入到安装槽2中后，弹性变形缺口21变形使安装槽2将印刷电路板10夹紧。As shown in Figures 1-3, 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 .
安装槽2沿纵向布置，弹性变形缺口21为沿安装槽2的长度方向开设的U形缺口。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 .
还包括加强固定件3，加强固定件3的一端与安全气囊模块20连接， 另一端延伸出卡爪31，卡爪31与安装槽2的两个相对侧面接触并抵紧，用于夹持安装槽2，从而增加了安装槽2内部的印刷电路板10的连接稳定性。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 .
印刷电路板10的电线101从印刷电路板10接出后，与其他的电子元件电性连接。After the wires 101 of the printed circuit board 10 are connected from the printed circuit board 10, they are electrically connected to other electronic components.
实施例一中，通过弹性变形缺口21、安装槽2和卡爪31的共同作用，增加了印刷电路板10的连接稳定性，防止印刷电路板10在行驶颠簸过程中，或安全气囊展开时与罩盖1脱离。In the first embodiment, 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.
实施例二：Embodiment 2:
如图4-6所示，实施例二与实施例一不同的是：安装槽2沿横向方向布置，即安装槽2的延伸方向与方向盘的中心轴线方向垂直。As shown in FIGS. 4-6 , 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.
如图5所示，安装槽2的一侧壁上也可以设有弹性变形缺口21，印刷电路板10安装到安装槽2中并被卡紧。As shown in FIG. 5 , 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.
如图6所示，加强固定件3的一端与安全气囊模块20连接，另一端弯曲延伸后与安装槽2的一侧壁接触并压紧，用于增加印刷电路板10的连接稳定性。As shown in FIG. 6 , 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 .
实施例二中，通过弹性变形缺口21、安装槽2和卡爪31的共同作用，增加了印刷电路板10的连接稳定性，防止印刷电路板10在行驶颠簸过程中，或安全气囊展开时与罩盖1脱离。In the second embodiment, the 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.
以上所述的仅是本发明的原理和较佳的实施例。应当指出，对于本领域的普通技术人员来说，在本发明原理的基础上，还可以做出若干其 它变型，也应视为本发明的保护范围。What has been described above is only the principles and preferred embodiments of the present invention. It should be pointed out that for those of ordinary skill in the art, on the basis of the principle of the present invention, several other modifications can also be made, which should also be regarded as the protection scope of the present invention.

Claims (8)

  1. 一种用于方向盘安全气囊的印刷电路板固定组件，其特征在于，包括罩盖(1)，所述罩盖(1)包括外装饰盖(11)和内盖(12)，所述外装饰盖(11)与所述内盖(12)之间设有安装槽(2)，所述安装槽(2)用于容纳印刷电路板(10)，所述安装槽(2)的一侧壁上开设有弹性变形缺口(21)，所述安装槽(2)的自然开口面积小于所述印刷电路板(10)的面积，所述印刷电路板(10)插入到所述安装槽(2)中后，所述弹性变形缺口(21)变形使所述安装槽(2)将所述印刷电路板(10)夹紧。A printed circuit board fixing assembly for a steering wheel airbag, characterized by comprising a cover (1), the cover (1) comprising an outer trim cover (11) and an inner cover (12), the outer trim cover (1) An installation groove (2) is provided between the cover (11) and the inner cover (12), the installation groove (2) is used for accommodating the printed circuit board (10), and one side wall of the installation groove (2) An elastic deformation gap (21) is formed on the upper part, the natural opening area of the mounting groove (2) is smaller than the area of the printed circuit board (10), and the printed circuit board (10) is inserted into the mounting groove (2) After the middle, the elastic deformation notch (21) deforms so that the mounting groove (2) clamps the printed circuit board (10).
  2. 根据权利要求1所述的印刷电路板固定组件，其特征在于，所述安装槽(2)沿所述罩盖(1)的纵向布置。The printed circuit board fixing assembly according to claim 1, wherein the mounting groove (2) is arranged along the longitudinal direction of the cover (1).
  3. 根据权利要求1所述的印刷电路板固定组件，其特征在于，所述安装槽(2)沿所述罩盖(1)的横向布置。The printed circuit board fixing assembly according to claim 1, wherein the mounting groove (2) is arranged along the lateral direction of the cover (1).
  4. 根据权利要求1所述的印刷电路板固定组件，其特征在于，所述安装槽(2)设置在所述罩盖(1)的1-12点方向中的任意方向上。The printed circuit board fixing assembly according to claim 1, wherein the installation groove (2) is arranged in any direction in the 1-12 o'clock direction of the cover (1).
  5. 根据权利要求1所述的印刷电路板固定组件，其特征在于，所述弹性变形缺口(21)为沿所述安装槽(2)的长度方向开设的U形缺口。The printed circuit board fixing assembly according to claim 1, wherein the elastic deformation notch (21) is a U-shaped notch opened along the length direction of the installation groove (2).
  6. 根据权利要求1所述的印刷电路板固定组件，其特征在于，还包括加强固定件(3)，所述加强固定件(3)将所述安装槽(2)夹紧或压紧。The printed circuit board fixing assembly according to claim 1, further comprising a reinforcing fixing member (3), the reinforcing fixing member (3) clamping or pressing the mounting groove (2).
  7. 根据权利要求6所述的印刷电路板固定组件，其特征在于，所述加强固定件(3)包括卡爪(31)，所述卡爪(31)将所述安装槽(2)夹紧。The printed circuit board fixing assembly according to claim 6, characterized in that, the reinforcing fixing member (3) comprises a clamping claw (31), and the clamping claw (31) clamps the mounting groove (2).
  8. 根据权利要求6所述的印刷电路板固定组件，其特征在于，所述加强固定件(3)从安全气囊模块(20)延伸出。The printed circuit board fixing assembly according to claim 6, wherein the reinforcing fixing member (3) extends from the airbag module (20).
PCT/CN2021/127895 2020-12-28 2021-11-01 Printed circuit board assembly fixing assembly for safety airbag of steering wheel WO2022142701A1 (en)

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CN202023229314.9U CN214138455U (en) 2020-12-28 2020-12-28 Printed circuit board mounting assembly for steering wheel airbag
CN202023229314.9 2020-12-28

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN214138455U (en) * 2020-12-28 2021-09-07 奥托立夫开发公司 Printed circuit board mounting assembly for steering wheel airbag

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1657125A1 (en) * 2004-11-16 2006-05-17 Mazda Motor Corporation Steering wheel for a motor vehicle
US20140133121A1 (en) * 2012-11-09 2014-05-15 Hon Hai Precision Industry Co., Ltd. Mounting apparatus for circuit boards
CN106741115A (en) * 2017-02-16 2017-05-31 蚌埠市建金智能科技有限公司 A kind of car multimedia intelligent steering wheel
CN207644337U (en) * 2017-12-25 2018-07-24 浙江梵隆汽车部件有限公司 A kind of steering wheel airbag chamber intelligent-induction control assembly
CN211280816U (en) * 2019-10-30 2020-08-18 奥托立夫开发公司 Steering wheel assembly
CN214138455U (en) * 2020-12-28 2021-09-07 奥托立夫开发公司 Printed circuit board mounting assembly for steering wheel airbag

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1657125A1 (en) * 2004-11-16 2006-05-17 Mazda Motor Corporation Steering wheel for a motor vehicle
US20140133121A1 (en) * 2012-11-09 2014-05-15 Hon Hai Precision Industry Co., Ltd. Mounting apparatus for circuit boards
CN106741115A (en) * 2017-02-16 2017-05-31 蚌埠市建金智能科技有限公司 A kind of car multimedia intelligent steering wheel
CN207644337U (en) * 2017-12-25 2018-07-24 浙江梵隆汽车部件有限公司 A kind of steering wheel airbag chamber intelligent-induction control assembly
CN211280816U (en) * 2019-10-30 2020-08-18 奥托立夫开发公司 Steering wheel assembly
CN214138455U (en) * 2020-12-28 2021-09-07 奥托立夫开发公司 Printed circuit board mounting assembly for steering wheel airbag

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