WO2020216011A1 - Ensemble volant de direction pour véhicule à moteur, et procédé d'assemblage associé et sa pièce structurelle - Google Patents

Ensemble volant de direction pour véhicule à moteur, et procédé d'assemblage associé et sa pièce structurelle Download PDF

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Publication number
WO2020216011A1
WO2020216011A1 PCT/CN2020/082232 CN2020082232W WO2020216011A1 WO 2020216011 A1 WO2020216011 A1 WO 2020216011A1 CN 2020082232 W CN2020082232 W CN 2020082232W WO 2020216011 A1 WO2020216011 A1 WO 2020216011A1
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WO
WIPO (PCT)
Prior art keywords
component
steering wheel
airbag
wheel assembly
housing
Prior art date
Application number
PCT/CN2020/082232
Other languages
English (en)
Chinese (zh)
Inventor
杨磊
陈志远
杨贵己
邹享文
Original Assignee
延锋汽车智能安全***有限责任公司
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 延锋汽车智能安全***有限责任公司 filed Critical 延锋汽车智能安全***有限责任公司
Publication of WO2020216011A1 publication Critical patent/WO2020216011A1/fr

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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60Q—ARRANGEMENT OF SIGNALLING OR LIGHTING DEVICES, THE MOUNTING OR SUPPORTING THEREOF OR CIRCUITS THEREFOR, FOR VEHICLES IN GENERAL
    • B60Q5/00—Arrangement or adaptation of acoustic signal devices
    • B60Q5/001—Switches therefor
    • B60Q5/003—Switches therefor mounted on the steering wheel
    • 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
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
    • B62D—MOTOR VEHICLES; TRAILERS
    • B62D1/00—Steering controls, i.e. means for initiating a change of direction of the vehicle
    • B62D1/02—Steering controls, i.e. means for initiating a change of direction of the vehicle vehicle-mounted
    • B62D1/04—Hand wheels

Definitions

  • the present invention relates to the technical field of motor vehicle safety, and more specifically to a structural assembly for a steering wheel assembly, a steering wheel assembly for a motor vehicle including such a structural assembly, and a steering wheel assembly assembly method.
  • the steering wheel assembly includes a button mechanism and an airbag, which are constituted as a structural component, which can have two functions: provide a floating button, in which, when the structural component is pressed, the car horn is activated ;
  • the airbag is activated, in which the folded inflatable airbag is quickly inflated and inflated, thus providing a certain safety protection for the driver of the motor vehicle.
  • the airbag needs to be reliably fixed and installed on the steering wheel frame, and is not allowed to fall off from the steering wheel frame when it is activated. This fall off may pose a safety threat to the driver.
  • FIG. 1 shows a steering wheel assembly known from the prior art, which includes a steering wheel frame 11, an airbag 13 and a pressing mechanism 15.
  • the airbag 13 has a housing 14 with a plurality of protruding
  • the hook member 17 and the pressing mechanism 15 have a plurality of through holes 16, and the steering wheel frame 11 is equipped with a wire 18.
  • the hook member 17 passes through the through hole 16 and is hooked to the wire 18.
  • the purpose of the present invention is to propose a structural component for a steering wheel assembly of a motor vehicle, a steering wheel assembly including such a structural component, and a method for assembling the steering wheel assembly, Wherein, the assembly of the structural components on the steering wheel assembly is friendly.
  • the object is achieved by a structural component for a steering wheel assembly, the structural component includes an airbag and a sounding mechanism for a car horn, the airbag has a housing, and
  • the pressing mechanism includes a first part, a second part movable relative to the first part, and a spring element.
  • the spring force of the spring element makes the first part and the second part separate from each other, and the second part can occupy and pass through
  • the spring force of the spring element maintains the initial position relative to the first part, and can be pressed to a predetermined pressing position relative to the first part under the condition of overcoming the spring force of the spring element.
  • the pressing mechanism can switch on the car horn; the first part is configured to be directly mechanically connected to the steering wheel frame of the steering wheel assembly; the housing of the airbag is configured to be connected to the second part It is directly mechanically connected, and there is no direct mechanical connection with the steering wheel frame of the steering wheel assembly.
  • the mechanical connection can be realized, for example, in a form-locking, force-locking and/or material-locking manner.
  • the first member may be configured as a lower sheet member, and the second member may be configured as an upper sheet member, the upper sheet member and the lower sheet member On top of each other.
  • the first member may be configured as a lower sheet member, and the second member may be configured as an upper rod member.
  • the first component and the second component may also be arranged in a nested manner or arranged side by side with each other.
  • first component and the second component may each have a partial annular extension.
  • first part and the second part may have C-shaped or U-shaped extensions, respectively.
  • the first part and the second part may also have an annular extending direction, or may have any other suitable shapes.
  • the first component and the second component may at least partially have an overmolding layer.
  • the first component and the second component may have at least one pair of first mounting holes aligned with each other, and the pair of first mounting holes are used to correspondingly receive the first fastening element, the The first fastening element is configured to fasten the first component to the steering wheel skeleton.
  • the number of pairs of the first mounting holes may be, for example, 2 pairs, 3 pairs, 4 pairs or more pairs.
  • the first fastening element may be a screw configured to be screwed into the threaded hole of the steering wheel skeleton; and preferably, the screw head of the screw may be configured for the second The stop portion of the component, wherein, in the initial position of the second component relative to the first component, the second component is blocked by the screw head.
  • the first fastening element may also be a rivet or a snap element.
  • the pressing mechanism may include multiple spring elements and multiple pairs of first mounting holes.
  • each spring element may be mounted between the pair of first mounting holes and be first The fastening element passes through.
  • the first part, the second part and the spring element can form a pre-assembled unit.
  • the first component and the second component may have a limiting structure.
  • the limiting structure limits the maximum separation position of the second component relative to the first component. In the maximum separation position, the spring element is held between the first part and the second part.
  • the limiting structure may include an opening provided in one of the first part and the second part and a hook-shaped element protruding from the other of the first part and the second part, so The hook-shaped element passes through the opening.
  • the limiting structure may include a clamping element, and the clamping element may clamp the first part and the second part together with a spring element disposed between them.
  • the spring element may be a coil spring, a torsion spring, a leaf spring, an air spring, or a spring made of elastomer rubber.
  • the housing of the airbag and the second component may have at least a pair of mating surfaces, and the housing of the airbag and the second component may be connected to each other through the mating surfaces.
  • the number of pairs of the mating surfaces may be, for example, 2 pairs, 3 pairs, 4 pairs or more pairs.
  • the pair of mating surfaces may abut each other in a planar manner.
  • the pair of mating surfaces may be respectively configured as flanging structures bent from the corresponding base body.
  • the pair of mating surfaces may have at least a pair of second mounting holes, and the pair of second mounting holes may be passed through by a corresponding second fastening element.
  • the paired mating surfaces may be connected to each other by stamping riveting, bonding or welding.
  • the second fastening element may be a screw; preferably, the inner second mounting hole of the pair of second mounting holes may be provided with a rivet nut, and the second tightening The solid element can be screwed into the rivet nut.
  • the second fastening element may be a rivet or a snap element or a push rivet.
  • the second component may have a positioning pin
  • the housing of the airbag may have a positioning hole, and the positioning pin can be inserted into the positioning hole.
  • the positioning pin may have a rubber coating.
  • the encapsulation layer may be made of elastic rubber or plastic materials.
  • the positioning pin may have a ring shoulder, and the housing of the airbag can rest on the ring shoulder.
  • the second component may have a snap element, and the snap element, the positioning pin and the positioning hole may jointly realize the positioning of the housing of the airbag relative to the second component.
  • the first part and the second part may have electrical contact elements that cooperate with each other. In the initial position, the electrical contact elements are separated from each other, and in the pressing position, the electrical contact The component contact is turned on so that the car horn can be activated.
  • the pressing mechanism can be understood as a switch of a car horn.
  • the first part may have a steel wire and the second part may have a contact. In other embodiments, a reversed arrangement is also possible.
  • the second component may have two, three or more distributed contacts.
  • the electrical contact element may be overmolded in the corresponding first part or second part.
  • the housing of the airbag may include a door cover and a housing part connected to the door cover, and the housing part is directly mechanically connected to the second part.
  • the first component and the second component have a C-shaped or U-shaped extension, and the extension includes two side edges and a bottom side connecting the two side edges.
  • first mounting holes may be respectively provided on each side, and each pair of first mounting holes is used to receive a first fastening element that is preferably configured as a screw.
  • the screw is configured to be screwed into the threaded hole of the steering wheel skeleton, and preferably, the screw head of the screw constitutes a stopper for the second part, wherein the second part is relative to the first part at the initial stage In position, the second part is blocked by the screw head.
  • the pressing mechanism may include four spring elements.
  • each spring element may be installed between a pair of first mounting holes and passed through by one of the first fastening elements.
  • the first component, the second component, and the spring element can form a pre-assembly unit, wherein the first component and the second component have a limiting structure, and the limiting structure includes a The opening in one of the first part and the second part and the hook-shaped element protruding from the other of the first part and the second part, the hook-shaped element passing through the opening, on each side The opening and the hook-shaped element are arranged between the two pairs of first mounting holes.
  • the housing of the airbag and the second component may have two pairs of mating surfaces, and the pair of mating surfaces are respectively configured as a flanging structure bent from a corresponding base body and have a planar shape. Abut against each other, each pair of mating surfaces has at least one pair of second mounting holes through which a corresponding second fastening element passes; preferably, the second fastening element is a screw, and the pair of second mounting holes
  • the inner second mounting hole among the holes is provided with a pressure riveting nut, and the second fastening element can be screwed into the pressure riveting nut; preferably, the two mating surfaces of the second part are provided on two sides Aside.
  • the second component may have two positioning pins
  • the housing of the airbag may have two positioning holes
  • the positioning pins can be inserted into the positioning holes.
  • the two The positioning pins can be arranged on the free ends of the two sides.
  • the object is achieved by a steering wheel assembly for a motor vehicle, the steering wheel assembly includes a steering wheel skeleton, and the steering wheel assembly includes the steering wheel according to the first aspect of the present invention
  • the structural component of the assembly, the first component of the structural component is directly mechanically connected to the steering wheel frame, and the housing of the airbag and the second component of the structural component are directly mechanically connected to the steering wheel assembly
  • the steering wheel skeleton has no direct mechanical connection.
  • the steering wheel skeleton may have a plurality of threaded holes configured to receive screws as the first fastening element.
  • the object is achieved by a method for assembling a steering wheel assembly for a motor vehicle, the method comprising the steps:
  • the pre-assembly unit of the pressing mechanism Placing the pre-assembly unit of the pressing mechanism on the steering wheel skeleton, wherein the pre-assembly unit includes a first part, a second part and a spring element;
  • the second fastening element configured as a screw is passed through the paired second mounting holes in the second component and in the housing of the airbag and tightened so that the housing of the airbag is in contact with the The second part is directly mechanically connected.
  • Figure 2 is a top view of a steering wheel assembly according to an embodiment of the present invention.
  • FIG 3 is an exploded view of the steering wheel assembly according to Figure 2;
  • Figure 7 is a top view of a structural component according to an embodiment of the present invention.
  • Each pair of first mounting holes 48 is used to receive a first fastening element 5 formed as a screw.
  • the first mounting hole 48 in the second component 31 may be provided with a stepped surface, and the screw head of the screw can block the stepped surface, thereby defining the second component 31 relative to the first component 32 The initial position.
  • the initial position is defined by other structural measures, and the first fastening element 5 may only be responsible for fastening the first component 32 to the steering wheel skeleton 11.
  • bonding or welding or snap connection is also conceivable.
  • the pressing mechanism 3 includes four spring elements 33, and each spring element 33 is installed between a pair of first mounting holes 48 and is secured by one of the first fastening elements 5.
  • the first component 32, the second component 31, and each spring element 33 can form a pre-assembly unit, wherein the first component 32 and the second component 31 have a limiting structure, and the limiting structure may include The opening 41 in the second part 31 and the hook-like element 42 protruding from the first part 32 in the direction toward the second part 31.
  • the hook-shaped element 42 passes through the opening 41, and the opening 41 and the hook-shaped element 42 on each side are arranged between two pairs of first mounting holes 48 on the corresponding side.
  • the second component 31 has two positioning pins 45, and the two positioning pins 45 are provided on the free ends of the two sides of the second component 31.
  • the housing part 21 of the airbag 2 has two positioning holes 25 into which the positioning pins 45 can be inserted.
  • FIG. 8 the connection of one of the positioning holes 25 and one of the positioning pins 45 is described in the form of a cross-sectional view along the section A-A in FIG. 7.
  • the first part 32 is provided with an electrical contact element 47, which can be configured as a conductive steel wire; and the second part 31 is provided with three electrical contact elements 46, which can be respectively It is configured as a pressure riveted contact.
  • One of three contacts is respectively provided on two sides and a bottom side of the second part 31. It goes without saying that other numbers of contacts can also be considered.
  • the electrical contact elements 46, 47 are separated from each other, and in the pressed position, the electrical contact elements 46, 47 are in contact and conduction, so that the car horn can be activated.
  • the spring element 33 When an external pressing force is applied to the pressing mechanism 3 via the housing of the airbag 2, the spring element 33 can be compressed, and the second part 31 moves toward the first part 32. The first part 32 and the second part The distance between 31 is reduced, so that the electrical contact elements 46, 47 are in contact and conduction, and thus the car horn is sounded.
  • FIG. 6 is a longitudinal sectional view of the steering wheel assembly according to FIG. 2, in which the connection structure of the airbag 2 and the button mechanism 3 can be clearly seen.
  • the housing part 21 of the airbag 2 has two mating surfaces 23 configured as a flanging structure, and a second mounting hole 24 is provided in each mating surface 23.
  • the second component 31 of the pressing mechanism 3 has a corresponding mating surface 43 and a corresponding second mounting hole 44 (see FIG. 4).
  • the mating surface 23 is inside, and the mating surface 43 is outside. It goes without saying that it is also possible that the mating surface 43 is on the inside and the mating surface 23 is on the outside.
  • a pressure riveting nut 6 can be provided on the inner mating surface.
  • the second fastening element 4 formed as a screw passes through the pair of second mounting holes 24, 44 from the outside and is screwed into the rivet nut 6, so that the airbag 2 is directly and mechanically fixed to the pressing mechanism 3.
  • the second part 31 is on.
  • the airbag 2 does not need to be directly mechanically connected to the steering wheel frame 11.
  • FIG. 7 is a top view of a structural assembly according to an embodiment of the present invention.
  • the door cover 22 is omitted here so that the two positioning holes 25 provided in the housing part 21 can be clearly described.
  • FIG. 8 is a cross-sectional view taken along the section A-A in FIG. 7, and clearly describes the connection structure of a positioning hole 25 and a positioning pin 45 with a rubber coating layer.
  • the steering wheel assembly 1 shown in the drawings can be assembled particularly easily.
  • the pre-assembly unit of the pressing mechanism 3 can be placed in the accommodation space of the steering wheel frame 11; then, each first fastening element 5 can be passed through the pair of first mounting holes 48 and screwed into the steering wheel frame 11 in the threaded hole 12; then, the airbag 2 can be fitted to the positioning pin 45 through the positioning hole 25, so that the airbag 2 is positioned on the pressing mechanism 3; and finally, the second fastening element 4 can be passed through The pair of second mounting holes are screwed into the rivet nut 6.
  • the assembled steering wheel assembly 1 can also be disassembled particularly easily, wherein the disassembly step can be carried out in reverse to the aforementioned assembly step.
  • the pressing mechanism 3 may be constituted as an independent integrated component, and the pressing logic of the pressing mechanism is clear, and the pressing mechanism has a simple and reliable structure.
  • the pressing mechanism 3 together with the airbag 2 can be reliably fixed to the steering wheel frame 11 together.
  • the pressing mechanism 3 together with the airbag 2 can be assembly-friendly, which avoids assembly disadvantages as in the prior art.
  • the positioning accuracy of the pressing mechanism 3 together with the airbag 2 can be high and easily realized.

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Acoustics & Sound (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Transportation (AREA)
  • Air Bags (AREA)
  • Steering Controls (AREA)

Abstract

La présente invention concerne une pièce structurelle d'un ensemble volant de direction pour un véhicule à moteur, la pièce structurelle comprenant un mécanisme de sonnerie (3) et un coussin de sécurité gonflable (2). Le mécanisme de sonnerie (3) comprend une première pièce (32), une seconde pièce (31) pouvant se déplacer par rapport à la première pièce (32), et un élément ressort (33), une force de ressort de l'élément ressort (33) permettant à la première pièce (32) et à la seconde pièce (31) d'être séparées l'une de l'autre. La seconde pièce (31) peut occuper une position initiale et une position de pression, et au niveau de la position de pression, le mécanisme de sonnerie (3) peut être raccordé à un avertisseur sonore d'automobile. La première pièce (32) est utilisée pour être directement raccordée mécaniquement à un cadre de volant de direction (11). Un logement du coussin de sécurité gonflable (2) est directement raccordé mécaniquement à la seconde pièce (31), et n'est pas directement raccordé mécaniquement au cadre de volant de direction (11). La présente invention concerne en outre un ensemble volant de direction pour un véhicule à moteur, et un procédé d'assemblage pour l'ensemble volant de direction. La pièce structurelle peut assurer sa facilité d'assemblage dans un ensemble volant de direction, et réduire le risque de détérioration d'un coussin de sécurité gonflable pendant l'assemblage.
PCT/CN2020/082232 2019-04-26 2020-03-31 Ensemble volant de direction pour véhicule à moteur, et procédé d'assemblage associé et sa pièce structurelle WO2020216011A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CN201910341671.7A CN110116749B (zh) 2019-04-26 2019-04-26 用于机动车的方向盘总成及其装配方法和结构组件
CN201910341671.7 2019-04-26

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WO2020216011A1 true WO2020216011A1 (fr) 2020-10-29

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Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110116749B (zh) * 2019-04-26 2024-04-30 延锋汽车智能安全***(常熟)有限公司 用于机动车的方向盘总成及其装配方法和结构组件
CN113815708A (zh) * 2020-06-19 2021-12-21 延锋汽车智能安全***有限责任公司 方向盘减振***和方向盘
CN112296654B (zh) * 2020-10-16 2022-10-28 浙江金麦特自动化***有限公司 一种方向盘总成自动拼装加工线及拼装工艺

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US20050035576A1 (en) * 2003-08-14 2005-02-17 Hyundai Mobis Co., Ltd. Assembly structure of airbag case
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CN102069838A (zh) * 2009-11-23 2011-05-25 高田株式会社 方向盘
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CN110116749A (zh) * 2019-04-26 2019-08-13 延锋汽车智能安全***(常熟)有限公司 用于机动车的方向盘总成及其装配方法和结构组件

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CN104859577A (zh) * 2015-05-28 2015-08-26 合肥江淮太航常青汽车安全***有限公司 一种集按响结构于一体的塑料卡扣式安全气囊
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CN210212512U (zh) * 2019-04-26 2020-03-31 延锋汽车智能安全***(常熟)有限公司 用于机动车的方向盘总成和用于方向盘总成的结构组件

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Publication number Priority date Publication date Assignee Title
JPH11144555A (ja) * 1997-11-07 1999-05-28 Tokai Rika Co Ltd ステアリングホイール
US20050035576A1 (en) * 2003-08-14 2005-02-17 Hyundai Mobis Co., Ltd. Assembly structure of airbag case
CN102069838A (zh) * 2009-11-23 2011-05-25 高田株式会社 方向盘
CN201816545U (zh) * 2010-09-21 2011-05-04 延锋百利得（上海）汽车安全***有限公司 机动车辆中的安全气囊壳体和按响机构的连接结构
CN205220504U (zh) * 2015-12-18 2016-05-11 太航常青汽车安全设备(苏州)有限公司 方向盘喇叭触发结构
CN110116749A (zh) * 2019-04-26 2019-08-13 延锋汽车智能安全***(常熟)有限公司 用于机动车的方向盘总成及其装配方法和结构组件

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CN110116749B (zh) 2024-04-30

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