阅读说明：本技术 用于道路车辆的前轮毂组件断开装置 (Front-wheel hub assembly for road vehicle disconnects device ) 是由 D·卡尔松 于 2019-05-15 设计创作，主要内容包括：本文中的各实施例涉及一种用于道路车辆的前轮毂组件断开装置。前轮毂组件断开装置被构造成在SPOC期间促进前轮毂组件从车身结构的断开和向外移动。前轮毂组件断开装置包括转向节断裂器和前轮毂组件。前轮毂组件包括轮毂和用于连接到转向机构的拉杆的转向节。在道路车辆行驶的方向上看,转向节被布置在轮毂的面向后的部分上。转向节断裂器被布置在车身结构的A柱上,所述转向节断裂器包括当轮毂处于中立位置时面向转向节的撞击表面。在小重叠碰撞的事件中,前轮毂组件的转向节朝向转向节断裂器移位并与转向节断裂器碰撞,使得转向节断裂器使转向节断裂并使转向节从前轮毂组件的轮毂断开。(Each embodiment herein is related to a kind of front-wheel hub assembly disconnection device for road vehicle.Front-wheel hub assembly disconnects device and is configured to promote front-wheel hub assembly from the disconnection of body structure during SPOC and be displaced outwardly.It includes knuckle disruptor and front-wheel hub assembly that front-wheel hub assembly, which disconnects device,.Front-wheel hub assembly includes the knuckle of wheel hub and the pull rod for being connected to steering mechanism.It looks up in the side of road vehicle traveling, knuckle is disposed in the face rearward portion of wheel hub.Knuckle disruptor is disposed on the A column of body structure, and the knuckle disruptor includes the impact surface towards knuckle when wheel hub is in neutral position.In the event of small overlapping collision, the knuckle of front-wheel hub assembly is shifted towards knuckle disruptor and is collided with knuckle disruptor, so that knuckle disruptor is broken knuckle and disconnects knuckle from the wheel hub of preceding hub unit.)

1. front-wheel hub assembly of the one kind for road vehicle (100) disconnects device (1), the front-wheel hub assembly disconnects device (1) It is configured to promote during small part overlapping collision front-wheel hub assembly (2) from the disconnection of body structure (3) and is displaced outwardly, Described in front-wheel hub assembly disconnect device (1) include knuckle disruptor (4) and the front-wheel hub assembly (2), the front hub Component (2) includes the knuckle (5) of wheel hub (7) and the pull rod (8) for being connected to steering mechanism, in the road vehicle (100) side travelled looks up, and the knuckle (5) is disposed in the face rearward portion of the wheel hub (7), wherein described Knuckle disruptor (4) is disposed on the A column (31) of the body structure (3), and the knuckle disruptor (4) includes working as institute The impact surface (4a) when wheel hub (7) is in neutral position towards the knuckle (5) is stated, so that in the event of small overlapping collision In, the knuckle (5) of the front-wheel hub assembly (2) shifted towards the knuckle disruptor (4) and with the knuckle Disruptor (4) collision, so that the knuckle disruptor (4) is broken the knuckle (5) and makes the knuckle (5) from institute The wheel hub (7) for stating front-wheel hub assembly (2) disconnects.

2. front-wheel hub assembly according to claim 1 disconnects device (1), wherein the knuckle (5) includes suitably forming The atenuator region of predetermined rupture line (6).

3. front-wheel hub assembly according to claim 2 disconnects device (1), wherein when the knuckle disruptor (4) is pacified When on the A column (31), the plane of the impact surface (4a) and the longitudinal axis perpendicular to the road vehicle (100) It is arranged at certain angle of attack.

4. front-wheel hub assembly according to claim 3 disconnects device (1), wherein when the knuckle disruptor (4) is pacified When on the A column (31), the knuckle disruptor (4) is relative to the longitudinal axis perpendicular to the road vehicle (100) The angle of attack of the plane of line is in the range of 2-25 degree, preferably in the range of 5-20 degree.

5. front-wheel hub assembly according to claim 1 disconnects device (1), wherein the knuckle disruptor (4) by means of Such as screw, nut, rivet element fastening tool and/or be attached to the A column of the body structure (3) by welding (31)。

6. front-wheel hub assembly according to claim 1 disconnects device (1), wherein the wheel hub (7) is connected to link arm (9), the link arm (9) may be connected to the body structure (3) by the first and second arm elements (9a, 9b), wherein described First arm element (9a) is arranged to the first connecting element (13a) being connected in the body structure (3), and wherein institute It states the second arm element (9b) and is arranged to the first rotation for surrounding the normal direction axis substantially parallel to the road vehicle (100) Axis (A₁) the second connecting element (13b) wait be rotatably connected in the body structure (3).

7. front-wheel hub assembly according to claim 3 disconnects device (1), wherein the wheel hub (7) is connected via connector To the link arm (9), allow the wheel hub (7) relative to the link arm (9) around the second rotation axis (A₂) rotation, institute State the second rotation axis (A₂) substantially parallel to the road vehicle 100 normal direction axis across the connector extend, it is described Knuckle (5) is disposed at the part towards the A column (31) of the wheel hub (7), and wherein the pull rod (8) away from The knuckle (5) is connected at the connector distance (d2) of the wheel hub (7) and the geosutures (6) are disposed in At connector distance (d1), wherein d2 > d1.

8. front-wheel hub assembly according to claim 7 disconnects device (1), wherein the link arm (9) is designed to small First arm element (9a) is disconnected from the body structure (3) during overlapping collision and is designed to around the vehicle body First rotation (the A of second connecting element in structure (3)₁) rotation, thus make the wheel hub (7) along arc road Diameter is mobile.

9. front-wheel hub assembly according to claim 1 disconnects device (1), wherein the knuckle disruptor (4) is by aluminium, steel Or plastics are made.

10. front-wheel hub assembly according to claim 1 disconnects device (1), wherein the knuckle disruptor (4) has 60 To the width of 150mm, 80 to 160mm height and 20 to 80mm depth, it is therefore preferred to have 90 to 110mm width, 110 To 130mm height and 30 to 60mm depth.

11. including the vehicle that front-wheel hub assembly according to claim 1 disconnects device (1).

12. one kind is arranged in the use of the knuckle disruptor (4) on the A column (31) of road vehicle (100), for realizing touching Disengaging of the pull rod (8) from preceding hub unit (2) during hitting.

13. front-wheel hub assembly according to claim 1 disconnects the use of device (1) in the car, for realizing colliding Period front-wheel hub assembly (2) is from the disconnection of body structure (3) and is displaced outwardly.

Technical field

Each embodiment herein is related to a kind of front-wheel hub assembly disconnection device for road vehicle, is configured to Promote front-wheel hub assembly from the disconnection of body structure during small part overlapping collision and is displaced outwardly.Each embodiment herein into One step be related to it is a kind of including front-wheel hub assembly disconnect device vehicle, for realizing during collision pull rod from preceding hub unit The use of the knuckle disruptor of disengaging and for realizing during collision pull rod from the front hub of the disengaging of preceding hub unit Component disconnects the use of device in the car.

Background technique

Small part overlapping collision (SPOC) is typically considered most intractable one of collision scene.Typically, in the SPOC phase Between, having the neutral traveling straight forward turned to, (i.e. wherein wheel hub is in neutral position and is arranged in wheel hub road vehicle On wheel be generally directed to straight line forward direction) when with barrier collide.Road vehicle is touched with barrier in this way It hits: so that the only outermost portion of the front width of road vehicle and barrier (such as another vehicle, one tree, a bar Or any other obstacle) collision.Energy from shock is usually by only front area on the outside of the main front baffle of road vehicle About 25-30% laterally absorb, so that the primary structural member of vehicle has the tendency that is bypassed, this leads to the weaker of vehicle Partially (such as A column on the side of shock of bumper, vehicle chassis component, wheel and body structure) absorbs energy. Typically, front-wheel hub assembly and wheel are forced to rearwardly towards corresponding A column.Vehicle typically more more rigid than the rest part of crew module Wheel may be sandwiched in by between the barrier of Vehicular impact and the A column of vehicle and possible to make A column damage during SPOC And/or deformation, this may cause in the crew module of undamaged portion intrusion vehicle.Since undamaged portion invades in crew module, The risk of vehicle occupant's major injuries is sharply increased.

Typically, in order to overcome these problems, the rigidity for increasing body structure (especially A column) comes from so as to absorb The energy of shock.The design of both legs side member can be used, there is support A column and guide wheel far from the benefit of A column.Both legs side Component includes two sections, which can transfer loads to A column.Both legs side member has the advantage that by mentioning For the second lower leg, the rigidity of side member increases and lower side member can be used for guiding hub unit it is separate.However, both legs side structure Part brings the loss of additional weight and cost.Since the weight of vehicle structure increases, the performance of road vehicle may be decreased simultaneously Increase fuel consumption.

US20150246692A1 discloses a kind of front pillar construction comprising stiffener, the stiffener is by fixedly tight It is affixed to column component and is broken the wheel of vehicle during being arranged in small overlapping frontal collisions.However, according to the disclosure, this Kind solution requires two-piece wheel to allow wheel to be divided into two pieces.Typically, when front vehicle wheel by aluminum/magnesium alloy with one A single piece forging, then the single-piece is machined forming.This wheel is very firm and to be difficult to be broken, unless their quilts It is designed to be broken in a controlled manner.These wheels can not be bent to absorb the energy of collision, therefore front pillar is during shock Very high energy must be absorbed.In addition, car owner often more wheel change to customize the design of their vehicle.Therefore, with not The wheel more wheel change for being intended to be broken can negatively affect the safety of occupant in vehicle.To which the solution has vehicle Safety depend on being installed to the wheel of vehicle and the shortcomings that change.To not have for vehicular manufacturer it is possible to ensure that pacifying Full feature will normally work in the event of an accident.

Summary of the invention

Therefore, each embodiment herein is intended to provide a kind of device, which improves vehicle occupant during SPOC Safety reduces the weight of vehicle simultaneously, and the device can not be bypassed easily.

This disconnects device by means of a kind of front-wheel hub assembly for road vehicle to realize.

Front-wheel hub assembly disconnects device and is configured to promote front-wheel hub assembly from body structure during small overlapping is collided It disconnects and is displaced outwardly.It includes knuckle disruptor and front-wheel hub assembly that front-wheel hub assembly, which disconnects device, and front-wheel hub assembly includes The knuckle of wheel hub and the pull rod for being connected to steering mechanism.It looks up in the side of road vehicle traveling, knuckle is arranged In the face rearward portion of wheel hub.Knuckle disruptor is disposed on the A column of body structure and including when wheel hub is in Towards the impact surface of knuckle when neutral position, so that in the event of small overlapping collision, the knuckle court of front-wheel hub assembly It shifts to knuckle disruptor and is collided with knuckle disruptor, so that knuckle disruptor is broken knuckle and makes knuckle It is disconnected from the wheel hub of preceding hub unit.The pull rod for being connected to knuckle as a result, is discharged from preceding hub unit.

Pull rod by that will be connected to knuckle is discharged from preceding hub unit, can increase the freedom for front-wheel hub assembly Degree, because the movement of front-wheel hub assembly is by the limitation of no longer tension member and the steering rack for being connected to pull rod.Wheel can be with as a result, Rotation so that wheel will not be in the A column of shock in the radial direction of wheel, but can be turned out so that hit can be substantially On occur on the axial direction of wheel.This will not only increase the distance that can be travelled in the front vehicle wheel for hitting A column, but also will It causes wheel with weaker side impaction A column, acts on the power on A column during thus reducing collision.This further has the advantage that The weight of A column can be reduced while improving the safety of vehicle occupant, this allows the weight of vehicle body to reduce.Further, since turning to Section is the global facility of vehicle, is not replaced by car owner or the user of vehicle typically, therefore can provide front-wheel hub assembly Disconnect the reproducible behavior of device.

Optionally, knuckle may include the atenuator region for suitably forming predetermined rupture line.The setting has knuckle can be with It is designed to the benefit being broken in a controlled manner.

Optionally, when knuckle disruptor is installed on A column, impact surface can be with indulging perpendicular to road vehicle It is arranged to the plane of axis at certain angle of attack.To which when knuckle failure, front-wheel hub assembly is far from the longitudinal direction of body structure Mandrel line is mobile.The setting has the advantage that impact surface can be directed toward knuckle, so that between impact surface and knuckle Shock direction be suitable for be broken knuckle.By being arranged to impact surface with the direction of the shock of knuckle into certain angle Degree, can introduce knuckle for moment of flexure, which promotes the fracture of knuckle.Another has an advantage that, the angle of impact surface Front-wheel hub assembly can be guided in a predetermined direction during shock, so that wheel is urged to rotate.Wheel can rotate far as a result, From shock A column in radial directions.

Optionally, when knuckle disruptor is installed on A column, knuckle disruptor is relative to perpendicular to road vehicle The angle of attack of plane of longitudinal axis can be in the range of 2-25 degree, preferably in the range of 5-20 degree.Thus, it is possible into Crash direction between one step calibration knuckle and the impact surface of knuckle disruptor to provide pull rod from the controlled of wheel hub and Effective disconnection and movement of the front-wheel hub assembly far from A column.

Optionally, knuckle disruptor can be by means of fastening tool (such as screw, nut, rivet element) and/or logical Cross the A column that welding is attached to body structure.The setting has the advantage that knuckle disruptor is securely attached to vehicle body And ensure that knuckle disruptor is properly oriented disconnect pull rod during SPOC.

Optionally, wheel hub may be connected to link arm, which may be connected to vehicle by the first and second arm elements Body structure.First arm element can be arranged the first connecting element to be joined into body structure.Second arm element can To be arranged to the first rotation vehicle to be rotatably connected to for surrounding the normal direction axis for being substantially parallel to road vehicle The second connecting element in body structure.The setting allows link arm to be movably connected to body structure.

Optionally, wheel hub can be connected to link arm via connector, which allows wheel hub to surround relative to link arm The rotation of second rotation axis, the normal direction axis which is substantially parallel to road vehicle extend across connector.Turn It can be disposed at the part towards A column of wheel hub to section.Pull rod can be connected at away from the connector distance d2 to be turned Xiang Jie and geosutures can be disposed in away from the connector distance d1, wherein d2 > d1.The setting has the advantage that disconnected It splits line to be disposed between pull rod connection and the rotation axis of wheel hub, so that knuckle is along fracture thread breakage and by knuckle The part that is connected to of pull rod disconnected from the major part of wheel hub and to discharge wheel hub from pull rod.

Optionally, link arm can be designed to disconnect the first arm element simultaneously from body structure during small overlapping is collided And the rotation axis rotation of the second connecting element in body structure, thus move wheel hub along curved path.This sets Setting allows front-wheel hub assembly further to disconnect from body structure and towards showing on the outside of the A column of vehicle body, so that before being included in Wheel in hub unit is directed away from the A column for hitting vehicle body.

Optionally, knuckle disruptor can be made of aluminium, steel or plastics.As a result, knuckle disruptor can low cost, It is light-duty and/or firmly produce.Steel has the benefit that knuckle disruptor can be firm, and plastics have knuckle disruptor very Light benefit, and aluminium has the benefit that knuckle disruptor can be firmer than plastics and lighter than steel.

Optionally, knuckle disruptor has 60 to 150mm width, 80 to 160mm height and 20 to 80mm's Depth, it is therefore preferred to have 90 to 110mm width, 110 to 130mm height and 30 to 60mm depth.The setting has Following benefit: knuckle disruptor, which has, allows the pull rod during shock to be detachable without from wheel hub and be limited in traveling state of vehicle Size of the period for the available space of wheel.

Also disclosing a kind of includes the vehicle that device is disconnected according to the front-wheel hub assembly of any of the above-described embodiment.

A kind of use of the knuckle disruptor on the A column for being arranged in vehicle is also disclosed, for realizing during collision Disengaging of the pull rod from preceding hub unit.

It also discloses a kind of front-wheel hub assembly and disconnects the use of device in the car, for realizing in small part overlapping collision Disengaging of the period pull rod from preceding hub unit.The setting have the advantage that wheel and hub unit can during SPOC quilt Guide the A column far from body structure and to reduce damage and damaged parts the invading into the crew module of vehicle to A column Enter.

Each embodiment herein provides many benefits and advantage more than existing solution, because they are provided A kind of flexible and effective mode triggers disconnection of the pull rod from knuckle in detail, opens many possibilities to mitigate vehicle body The weight and cost of cost improve occupant safety simultaneously.

Each embodiment herein is related to a kind of front-wheel for reducing the impact force in small part overlapping collision (SPOC) Hub assembly disconnects device.Each embodiment herein provides the controlled switch-off behavior of front-wheel hub assembly so that with vehicle body knot When structure is hit, knuckle is broken to be discharged into the connection of steering linkage and other key elements in designed manner.It does so Purpose be allow front-wheel hub assembly (the front-wheel hub assembly may include such as wheel, brake disc, link arm and wheel hub) freely It moves and is directed away from and hit A-pillar region domain.The importance of this point is dual.Substantially, vehicle chassis component is generally set It counts into very rigid and transmits a large amount of load.If front-wheel hub assembly is not properly directed out, it is prevented to invade occupant Sole mode in cabin is to design a kind of adamantine A column (or similar) section that can absorb load with energy.If come It cannot be handled from the load and energy of shock by white body, then this security performance that will be converted into vehicle reduction.Therefore, lead to It crosses and provides the controlled deformation of one kind and by guidance vehicle chassis component far from vehicle body, it is possible to reduce invading into the crew module of vehicle Enter and can greatly improve the safety of occupant.In addition, by the separate vehicle body of guidance critical component (such as front-wheel hub assembly), It is likely to decrease bearing capacity required by body structure (such as white body).Thus, it is possible to realize a kind of more Weight-optimised Design, there is the benefit of fuel consumption such as reduced.Each embodiment herein further has an advantage that, instead of Make vehicle frontal stop on A column (its stacking that can also be referred to as front-wheel hub assembly, and its to require A column to absorb high Power), vehicle can be guided far from barrier.Vehicle can slip away barrier (such as obstacle or vehicle of arrival) as a result,. By slipping away obstacle rather than front stops, the deceleration of occupant can be reduced, this is beneficial from a security point of view.So And front stops strategy and all unabsorbed energy will be made to be transmitted to air bag and safety belt, the energy by car body component Some in amount and not exclusively stopping will mitigate or dissipate in the scene that vehicle slips away barrier.

Detailed description of the invention

Hereinafter, each embodiment herein will only be described in greater detail with reference to the attached drawings by way of example, attached In figure

Fig. 1 is the schematic overview according to the road vehicle of each embodiment herein；

Fig. 2 is the schematic diagram that device is disconnected according to the front-wheel hub assembly of each embodiment herein；

Fig. 3 is that the front-wheel hub assembly of Fig. 2 disconnects the schematic diagram of device in the initial state seen from above；

Fig. 4 is that the front-wheel hub assembly of Fig. 2 disconnects schematic diagram of the device during SPOC seen from above；

Fig. 5 is that the front-wheel hub assembly of Fig. 2 disconnects schematic diagram of the device after SPOC seen from above；

Fig. 6 is to show the first and second connecting elements of the first and second arm elements for receiving link arm in initial shape The schematic diagram of detailed view under state；

Fig. 7 is to show the first and second connecting elements of the first and second arm elements for receiving link arm in the SPOC phase Between detailed view schematic diagram；And

Fig. 8 is the schematic diagram for showing the details of the knuckle disruptor on the A column for being arranged in body structure.

From the following specific embodiments being considered in conjunction with the accompanying, other object and feature of each embodiment herein will become It obtains obviously.It should be appreciated, however, that each attached drawing is merely for illustrative purposes not as limitation of the present invention Limit and design, the restriction of limitation of the present invention should refer to appended claims.It will be further understood that each attached drawing is not Must be drawn to scale, and unless otherwise stated, they are only intended to conceptually illustrate structure and mistake described herein Journey.

Specific embodiment

Fig. 1 shows the overview diagram of the road vehicle 100 according to each embodiment herein.Road vehicle 100 includes vehicle body Structure 3 and front-wheel hub assembly disconnect device 1, which disconnects device 1 and will be discussed further about Fig. 2 to Fig. 8.Road Road vehicles 100 have x-axis, y-axis and z-axis.X-axis (it is also referred to as longitudinal axis) is along the automobile when vehicle is in static Length is parallel to ground extension.Y-axis (it is also referred to as transverse axis) is orthogonal with longitudinal axis and at road vehicle 100 Extend when static also parallel with ground.Z-axis (it is also referred to as vertical axis or normal direction axis) and longitudinal axis and transverse direction Axis is orthogonal.It, herein can also be by x since SPOC when straight-line travelling usually in road vehicle 100 just to occur Direction is known as the direction travelled.

Fig. 2 shows disconnect the saturating of device 1 according to the front-wheel hub assembly for road vehicle 100 of each embodiment herein View.Front-wheel hub assembly disconnects device 1 and is configured to promote front-wheel hub assembly 2 from body structure 3 during small overlapping is collided It disconnects and is displaced outwardly.Body structure 3 includes A column 31 and the side member 32 for transferring loads to A column 31.Front-wheel hub assembly Disconnecting device 1 includes knuckle disruptor 4 and front-wheel hub assembly 2.Front-wheel hub assembly 2 includes wheel hub 7 and turns to for being connected to The knuckle 5 of the pull rod 8 of mechanism.(i.e. along the longitudinal axis of road vehicle 100) on the direction that road vehicle 100 travels It sees, knuckle 5 is disposed in the face rearward portion of wheel hub 7.Braking including brake rotors 11 and caliper (not shown) Component and wheel (not shown) including wheel rim and tire can be further around wheel axis A_WIt is rotatably mounted Front-wheel hub assembly 2.Knuckle disruptor 4 is disposed on the A column 31 of body structure 3 at such position: so that in SPOC Period, knuckle 5 and the knuckle disruptor 4 (such as impact surface 4a with knuckle disruptor 4) of front-wheel hub assembly 2 are touched It hits, and is broken.Preferably, knuckle disruptor 4 be disposed in when wheel hub 7 is in neutral position A column 31 in vehicle On the surface for facing knuckle 5 in forward direction.During when the wheel being mounted on wheel hub 7 is directed toward rectilinear direction, wheel hub 7 is in Vertical position allows vehicle to travel in straight line forward direction.The impact surface 4a of knuckle disruptor 4 is arranged at wheel hub 7 Towards knuckle 5 when neutral position, so that the knuckle 5 of front-wheel hub assembly 2 is broken towards knuckle in the event of SPOC The displacement of device 4 is simultaneously collided with knuckle disruptor 4, so that knuckle disruptor 4 is broken knuckle 5, such as by knuckle 5 Applied force and/or moment of flexure.This causes knuckle 5 to disconnect from the wheel hub 7 of preceding hub unit 2.It is thus connected to the pull rod of knuckle 5 8 disconnect from preceding hub unit 2, allow front-wheel hub assembly 2 independently of pull rod 8 and are connected to the steering rack movement of pull rod 8.

Wheel hub 7 is connected to link arm 9 via connector (not shown) (such as spherojoint), allow wheel hub 7 relative to Link arm 9 surrounds the second rotation axis A₂Rotation, second rotation axis A₂It is substantially parallel to the normal axis of road vehicle 100 Line extends across connector.Knuckle 5 be disposed at the part towards A column 31 of wheel hub 7 and be configured to knuckle Disruptor 4 fails when hitting.

Link arm 9 is further connected to body structure 3 by the first and second arm elements 9a, 9b.First arm element 9a It is arranged to the first connecting element 13a being connected in body structure 3, such as by means of being arranged in the first arm element 9a Bushing 12, and be bolted to body structure 3 or be bolted to the subframe 10 of body structure 3.Second arm element 9b It is arranged to the first rotation A around the normal direction axis for being substantially parallel to road vehicle 100₁Wait be rotatably connected to The second connecting element 13b in body structure 3.Wheel hub 7 is connected to link arm 9 by means of such as spherojoint, so that 7 quilt of wheel hub Link arm 9 is rotatably connected to allow front hub 7 relative to link arm 9 around the second rotation axis A₂Rotation.Connecting rod Arm 9 may be connected to body structure 3, for example, by the first arm element 9a and the second arm element 9b be directly connected to body structure 3 or Person via be installed to body structure 3 and formed body structure 3 a part subframe 10.Link arm 9 is designed in SPOC Period disconnects the first arm element 9a from body structure 3 and surrounds the first rotation of the second connecting element in body structure 3 Axis A₁Rotation, moves wheel hub 7 along curved path.Due to moving along curved path, wheel hub 7 and wheel are outside Move out the path of the A column 31 of body structure 3.

Hereinafter, Fig. 3 to Fig. 8 shows each of the first embodiment of front-wheel hub assembly disconnection device 1 disclosed herein In terms of kind.

Fig. 3 shows disconnected according to the front-wheel hub assembly in original state when SPOC starts of one embodiment herein 1 top view of opening apparatus.Before being hit with the barrier 20 (such as a part of obstacle or the second vehicle) of vehicle collision Hub unit 2 and will on front-wheel hub assembly 2 with power F effect.Knuckle 5 is disposed in the part towards A column of wheel hub 7 Place.Power F will force wheel hub 7 and knuckle 5 towards knuckle disruptor 4, which is disposed in body structure 3 A column 31 on so that knuckle 5 and knuckle disruptor 4 are collided.Due to the collision with reinforcing element 4, power and/or moment of flexure quilt It is introduced into knuckle 5, the power and/or moment of flexure are broken knuckle and disconnect it from the wheel hub 7 of preceding hub unit 2.This is again Discharge the pull rod for being connected to knuckle 58 from preceding hub unit 2.In order to realize the effect, reinforcing element 4 can be constructed At more more rigid than knuckle 5, the reinforcing element 4 when hitting is enabled to be broken knuckle 5.For the ease of the release of pull rod 8, Knuckle 5 may include the atenuator region for suitably forming predetermined rupture line 6.Wheel hub 7 is being connected to link arm away from aforementioned by pull rod 8 The geosutures 6 that knuckle 5 and knuckle 5 are connected at 9 connector distance d2, which are disposed in, is connected to wheel hub 7 away from aforementioned At the connector distance d1 of link arm 9.Distance d2 is greater than distance d1, i.e. d2 > d1, so that the part that the pull rod 8 of knuckle 5 is connected to (it, which can also be referred to as, disconnects) is detached from from the fracture of wheel hub 7.The impact surface 4a of knuckle disruptor 4 with perpendicular to road vehicle The plane of 100 longitudinal axis is arranged at angle of attack α.Since angle of the knuckle 5 on impact surface 4a is hit, work can produce With the moment of flexure on knuckle 5, which can promote the fracture of knuckle 5.It is preceding when knuckle 5 is failed due to fracture Wheel hub 7 further can be moved or be guided by the angled impact surface 4a sliding along knuckle disruptor 4 remote Longitudinal center axis from body structure 3, this can cause wheel hub 7 and radial direction of the wheel in wheel for being connected to wheel hub 7 On be pivoted away from hit A column 31.Due to the rotation of wheel hub 7, wheel can alternatively hit A column 31 in the axial direction.It turns to The angle of attack α for saving disruptor 4 can be for example in the range of 2-25 degree, preferably in the range of 5-20 degree.

The front-wheel hub assembly that Fig. 4 shows the embodiment according to shown in Fig. 3 disconnects top view of the device 1 during SPOC. Wheel hub 7 is connected to link arm 9, which may be connected to body structure by the first arm element 9a and the second arm element 9b 3.First arm element 9a is connected in body structure 3 the first connecting element 13a (such as in subframe 10), and Two arm element 9b are rotatably connected in body structure 3 the second connecting element 13b (such as in subframe 10).The Two connecting element 13b be arranged to than the first connecting element 13a closer to the rear portion of vehicle and to can also be referred to as after Connecting element or rear fixed point.To which the power F acted on front-wheel hub assembly 2 can be further via link arm 9 around second Connecting element 13b and first axle A₁Introduce torque T.The torque can cause link arm 9 to disconnect from the first connecting element 13a. According to the link arm 9 of each embodiment herein so as to be designed to be it is sufficiently rigid so that the first connecting element 13a be broken. When link arm 9 is disconnected from the first connecting element 13a, link arm 9 can be rotated around the second connecting element 13b.Due to even Lever arm 9 moves as described above, and knuckle 5 can be directed to the A column 31 that knuckle disruptor 4 is located at by link arm 9 backward In region, and further by front-wheel hub assembly 2 towards the guided outside of body structure 3.Thus, it is possible to further promote front-wheel Hub assembly 2 is displaced outwardly from body structure 3.

By disconnecting pull rod 8 from knuckle 5 and link arm 9 from the first connecting element 13a, front-wheel hub assembly 2 from Increased by degree.To, it may include the complete front-wheel hub assembly 2 of wheel freely towards the outer Slideslip of body structure 3 and from And miss the major part of the A column 31 of body structure 3.

The front-wheel hub assembly that Fig. 5 shows the embodiment according to shown in Fig. 3 and Fig. 4 disconnects the bowing after SPOC of device 1 View.As it can be seen, knuckle 5 and knuckle disruptor 4 are collided, specifically with the impact surface of knuckle disruptor 4 4a collision, and be broken, disconnect pull rod 8 from preceding hub unit 2.For the ease of the fracture of knuckle 5, impact surface 4a It can be arranged with the plane of the longitudinal axis perpendicular to road vehicle 100 at angle of attack α.Moment of flexure is introduced into knuckle 5 as a result, should The fracture of moment of flexure promotion knuckle 5.This leaves the movement of A column 31 of wheel and front-wheel hub assembly 2 freely far from body structure 3, Such as it is surrounded by wheel hub and rotates the spherojoint that wheel hub is connected to link arm 9, and/or by enclosing entire front-wheel hub assembly 2 It is rotated around the second connecting element 13b.The angle of attack α of impact surface 4a can also promote front-wheel hub assembly 2 far from the vertical of body structure 3 Movement to axis.Wheel hub 7 can for example be forced to rotate around the spherojoint that wheel hub is connected to link arm 9, so that wheel is not It can radially collide with A column 31, but be collided on the axial direction of wheel, wheel is weaker on the axial direction and occupies Small amount of space.Although A column 31 may be deformed by knuckle 5 and the collision of knuckle disruptor 4, the deformation is significant It is smaller than known solution.Further, since the power acted on A column 31 during collision reduces, therefore can be used with single The side member 32 of leg design replaces the usually used both legs to design.Single leg side member only includes that can transmit load from side member To a section of A column 31.Thus, it is possible to realize that the weight of body structure 3 and cost reduce.

Fig. 6 show the first and second arm elements 9a, 9b for receiving link arm 9 the first and second connecting element 13a, The detailed view of 13b in an initial condition, for example before collision (such as SPOC).First connecting element and/or link arm 9 can To be constructed such that the first arm element 9a is disconnected from body structure 3.First connecting element 13a and/or link arm 9 can be wrapped for example Weakenings are included, which is configured to fracture when acting on front-wheel hub assembly 2 as power F with some size.According to herein In some embodiments, the first arm element 9a for example can be mounted to the first connecting element 13a by means of following device: including In the first arm element 9a and be located in the first arm element 9a far-end bushing and across the first connecting element 13a's First and second through-hole 14a, 14b and include in the first arm element 9a of connecting rod wall 9 bushing insertion screw bolt and nut.It is logical Each of hole 14a, 14b are disposed in respective side walls 15a, 15b of the first connecting element, wherein the side wall is arranged to Form the box like structure for receiving the first arm element 9a of link arm 9.It is one or more in the side wall of first connecting element It may include that prominent across side wall 15a, 15b and from through-hole 14a, 14b towards the end towards side wall 15a, 15b wheel hub extends Slot 16.

The first and second connecting elements that Fig. 7 shows the first and second arm elements 9a, 9b for receiving link arm 9 are being touched Hit the detailed view under the situation during and/or after (such as SPOC).When power F is acted on front-wheel hub assembly 2, torsion is generated Square, the torque force link arm 9 around first rotation A₁It rotates and/or is rotated by means of the second connecting element 13b.Due to The torque being applied on link arm 9, the first arm element are forced to towards the slot 16 in the side wall of connecting element, this may cause bolt It slips over slot 16 and causes side wall to be broken as the weakenings as caused by slot 16 when hitting with the end of slot 16.As a result, One arm element 9a is discharged from the first connecting element, allows link arm freely about first rotation A₁Rotation and/or by It is rotated in the second connecting element 13b, this outside that front-wheel hub assembly 2 will be caused to be moved to body structure.According to not showing in Fig. 7 The first arm element 9a bolt for being connected to the first connecting element 13a can be configured with weakenings by further embodiment out, should Weakenings can cause knot of the bolt during SPOC due to the torque around the second connecting element 13b acted on link arm 9 Fruit and cut, this may also cause disconnection of the first arm element 9a from body structure 3.

Fig. 8 is arranged on the detailed view of the knuckle disruptor 4 on the A column 31 of body structure 3.Body structure 3 can wrap Automobile body-in-white is included, which includes the A column 31 to form carrying section or the other classes for realizing similar design idea Like component.A column 31 may include interior A column 31_inWith outer A column 31_out.Knuckle disruptor 4 by means of fastening tool (such as screw, Nut, rivet element and/or pass through welding) be attached to A column, be such as attached to one of the A column of body structure 3 or More multi-surface or be attached to body structure 3 A column the weld flange being longitudinally directed to or multiple welding being longitudinally directed to it is convex Edge.Knuckle disruptor 4 may include the impact surface 4a for being arranged to collide with knuckle 5.Impact surface 4a can with it is vertical It is arranged in the plane of the longitudinal axis of road vehicle 100 at angle of attack α, so that working as the shock table of knuckle 5 and knuckle disruptor 4 When face 4a is collided, moment of flexure is introduced into knuckle 5, this promotes the fracture of knuckle 5.In addition, angle of attack α can further force front-wheel Longitudinal center axis of the hub assembly far from body structure 3 is mobile, thus guides front-wheel hub assembly 2 far from A column 31.Knuckle fracture The angle of attack α of device 4 can be for example in the range of 2-25 degree, preferably in the range of 5-20 degree.Each embodiment herein provides A kind of solution for body structure 3, the solution can make crucial vehicle chassis component (such as knuckle 5) disconnected Split so as to obtain behavior as described above and it is adjustable with find correct balance so as to realize pull rod 8 from knuckle 5 by Control disconnects.A parameter for adjusting the behavior can be the angle of attack α of reinforcing element 4, the angle [alpha] be knuckle 5 with The angle that reinforcing element 4 on body structure 3 encounters when colliding.In this way, the angle of attack α can introduce moment of flexure, which can For making the fracture of knuckle 5 and/or in a certain direction guidance front-wheel hub assembly 2.

Knuckle disruptor 4 for example can be produced or be manufactured by means of squeezing.Once knuckle disruptor 4 is in through group The position of dress, the knuckle breaker 4 can have the direction of extrusion on the vertical direction of vehicle.Knuckle disruptor 4 It can be further by any type of cutting or milling process manufacture at final size.Knuckle disruptor 4 can be further Including being arranged to the impact surface 4a to collide with knuckle 5.Knuckle disruptor 4 can for example be made of aluminium, steel or plastics. Knuckle disruptor 4 can depth for example with 60 to 150mm width, 80 to 160mm height and 20 to 80mm, it is excellent Selection of land have 90 to 110mm width, 110 to 130mm height and 30 to 60mm depth.This allows knuckle disruptor 4 is sufficiently large to ensure the controlled collision under normal driving situation with knuckle 5, the portion of any movement without interfering vehicle Point.When knuckle disruptor is disposed on the A column 31 of road vehicle 100, the width of knuckle disruptor 4 is answered herein It is interpreted expanded range in y-direction, height should be interpreted expanded range in a z-direction herein, and deep Degree should be interpreted expanded range in the x direction herein.

Further, since wheel and front-wheel hub assembly 2 can be directed away from A column 31, therefore can make in body structure 3 With single leg front side member.This design has the benefit of the weight and cost that can reduce vehicle.By according to herein each Reinforcing element 4 is added to A column 31 by embodiment, and the low weight benefit of single leg side member can be with the intensity phase of both legs front side member In conjunction with so that desired vehicle chassis component (such as knuckle 5) is broken in predetermined and controlled mode.Further, since wheel hub disconnects dress Setting 1 can guide wheel and front-wheel hub assembly 2 far from arriving the outside of A column 31, therefore may be implemented in the crew module of vehicle Low intrusion.

Each embodiment herein is further to a kind of vehicle, such as road vehicle 100 comprising according to above-mentioned The front-wheel hub assembly of any embodiment disconnects device 1.

Each embodiment herein is broken further to the knuckle on a kind of A column 31 for being arranged in road vehicle 100 The use of device 4, for realizing during collision pull rod 8 from the disengaging of preceding hub unit 2.

Each embodiment disconnects device 1 in the car according to the front-wheel hub assembly of any of the above described embodiments further to a kind of Use, for realizing during collision front-wheel hub assembly 2 from the disconnection of body structure 3 and be displaced outwardly.