CN108382470A - Suspension for vehicle and vehicle with same - Google Patents
Suspension for vehicle and vehicle with same Download PDFInfo
- Publication number
- CN108382470A CN108382470A CN201810374839.XA CN201810374839A CN108382470A CN 108382470 A CN108382470 A CN 108382470A CN 201810374839 A CN201810374839 A CN 201810374839A CN 108382470 A CN108382470 A CN 108382470A
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- China
- Prior art keywords
- vehicle
- mounting bracket
- crossbeam
- suspension
- subframe
- Prior art date
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- Granted
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- 239000000725 suspension Substances 0.000 title claims abstract description 72
- 229910000838 Al alloy Inorganic materials 0.000 claims abstract description 9
- 208000016261 weight loss Diseases 0.000 claims description 27
- 230000004580 weight loss Effects 0.000 claims description 27
- 238000009434 installation Methods 0.000 claims description 14
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 claims description 13
- 229910052782 aluminium Inorganic materials 0.000 claims description 13
- 238000005266 casting Methods 0.000 claims description 9
- 239000004411 aluminium Substances 0.000 claims description 4
- 230000008859 change Effects 0.000 claims description 4
- 238000013016 damping Methods 0.000 claims description 3
- 208000020442 loss of weight Diseases 0.000 claims description 2
- 239000004744 fabric Substances 0.000 claims 1
- 230000008901 benefit Effects 0.000 abstract description 5
- 238000010586 diagram Methods 0.000 description 8
- 238000000034 method Methods 0.000 description 5
- 238000000465 moulding Methods 0.000 description 5
- 230000008569 process Effects 0.000 description 5
- 239000000956 alloy Substances 0.000 description 4
- 230000000694 effects Effects 0.000 description 4
- 239000000463 material Substances 0.000 description 4
- 238000003466 welding Methods 0.000 description 4
- 238000004519 manufacturing process Methods 0.000 description 3
- 230000003014 reinforcing effect Effects 0.000 description 3
- 239000003381 stabilizer Substances 0.000 description 3
- 230000007547 defect Effects 0.000 description 2
- 238000009826 distribution Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 239000000446 fuel Substances 0.000 description 2
- 238000009413 insulation Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000009467 reduction Effects 0.000 description 2
- 229910001094 6061 aluminium alloy Inorganic materials 0.000 description 1
- 229910000831 Steel Inorganic materials 0.000 description 1
- 229910045601 alloy Inorganic materials 0.000 description 1
- 238000005452 bending Methods 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 230000008878 coupling Effects 0.000 description 1
- 238000010168 coupling process Methods 0.000 description 1
- 238000005859 coupling reaction Methods 0.000 description 1
- 125000004122 cyclic group Chemical group 0.000 description 1
- 238000005242 forging Methods 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 238000003754 machining Methods 0.000 description 1
- 230000000116 mitigating effect Effects 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
- B62D—MOTOR VEHICLES; TRAILERS
- B62D29/00—Superstructures, understructures, or sub-units thereof, characterised by the material thereof
- B62D29/008—Superstructures, understructures, or sub-units thereof, characterised by the material thereof predominantly of light alloys, e.g. extruded
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
- B62D—MOTOR VEHICLES; TRAILERS
- B62D21/00—Understructures, i.e. chassis frame on which a vehicle body may be mounted
- B62D21/02—Understructures, i.e. chassis frame on which a vehicle body may be mounted comprising longitudinally or transversely arranged frame members
Landscapes
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Transportation (AREA)
- Mechanical Engineering (AREA)
- Architecture (AREA)
- Structural Engineering (AREA)
- Vehicle Body Suspensions (AREA)
- Body Structure For Vehicles (AREA)
Abstract
The invention discloses a suspension for a vehicle and a vehicle with the same, wherein the suspension for the vehicle comprises: sub vehicle frame, go up swing arm and two H arms, two H arms link to each other with the both ends of sub vehicle frame respectively, are provided with the knuckle on the H arm, and the one end of going up the swing arm links to each other with the knuckle, and the other end of going up the swing arm links to each other with the sub vehicle frame, and sub vehicle frame, last swing arm and H arm are the aluminum alloy part. The suspension for the vehicle has the advantages of light weight, high strength and rigidity, and high operation stability and economy.
Description
Technical field
The present invention relates to technical field of vehicle, in particular to a kind of suspension for vehicle and the vehicle with it.
Background technology
Structural member on existing suspension is mostly that ironcasting or steel plate punched weldment, heavier-weight are unfavorable for vehicle
Lightweight, and oil consumption is larger, is unfavorable for the fuel economy of vehicle, meanwhile, unsprung mass, that is, H arms quality of suspension system compared with
Greatly, it is unfavorable for the operational stability of vehicle.
Invention content
The present invention is directed at least solve one of the technical problems existing in the prior art.For this purpose, the present invention proposes a kind of use
In the suspension of vehicle, the sprung mass for vehicle is light, intensity and toughness is good, while operational stability and good economy performance.
The invention also provides a kind of vehicles with the above-mentioned suspension for vehicle.
Suspension according to the ... of the embodiment of the present invention for vehicle, including：Subframe and upper swing arm；Two H arms, it is described two
H arms are connected with the both ends of the subframe respectively, are provided with knuckle on the H arms, one end of the upper swing arm with described turn
It is connected to section, the other end of the upper swing arm is connected with the subframe；The subframe, the upper swing arm and the H arms are equal
For Al-alloy parts.
Suspension according to the present invention for vehicle, main components subframe, upper swing arm and H arms are all made of aluminium alloy
Lightweighting materials, so as to effectively mitigate the quality of suspension, the lightweight for improving vehicle is horizontal, while the economic performance of vehicle
It is good.
Suspension according to an embodiment of the invention for vehicle, the subframe include：Subframe ontology, the pair
Frame body includes：Multiple crossbeams and two longerons, multiple crossbeam parallel arrangements, two longerons are separately positioned on more
The both ends of a crossbeam, the longeron are aluminum casting, and the crossbeam is aluminium section bar part, and the crossbeam and longeron welding are solid
It is fixed.
Further, lightening hole is provided in the middle part of the longeron, the lightening hole penetrates through described vertical in a thickness direction
Beam, the longeron are provided at both ends with vehicle body fixed part, and the vehicle body fixed part is configured to sleeve, lining is embedded in the sleeve
Set.
Optionally, the crossbeam is three and includes：First crossbeam, second cross beam and third crossbeam, the second cross beam
The preceding mounting structure of suspension is provided between the first crossbeam and the third crossbeam, and on the first crossbeam, it is described
Suspension post-mounting structure is provided on third crossbeam.
Optionally, mounting structure is configured to sleeve structure before the suspension, and described sleeve pipe structure is embedded horizontal described first
Liang Shang, and described sleeve pipe structure at least partly protrudes the upper surface of the first crossbeam, the suspension post-mounting structure is suspension
Holder, the mounting bracket are two groups, and mounting bracket described in two groups is spaced apart on the third crossbeam, and branch is suspended described in every group
Frame includes two mounting brackets, and suspension mounting hole is provided on the mounting bracket.
Further, control arm mounting bracket is provided on the longeron, control arm mounting bracket is four groups and includes：On
Mounting bracket, lower mounting bracket, preceding mounting bracket and rear mounting bracket, it is the upper mounting bracket, the lower mounting bracket, described
Preceding mounting bracket and it is described after mounting bracket around the lightening hole arrangement, and the upper mounting bracket, the lower mounting bracket,
It is provided with control arm connecting hole in the preceding mounting bracket and the rear mounting bracket.
Further, wheel position adjustment hole is provided in the lower mounting bracket, the wheel position adjustment hole is length
The both sides of round hole, the oblong hole are provided with outwardly projecting stop wall, and the subframe further includes：Wheel position is adjusted
Component, the wheel position adjusting part include：
Eccentric bolt, the eccentric bolt is adapted to pass through the wheel position adjustment hole and is fixed with prenex pull rod, described
Prenex pull rod is connected with knuckle, to change during the eccentric bolt is along the wheel position adjustment hole transverse shifting
Become the direction of wheel；
Gasket, the center of the gasket and the center of the eccentric bolt are misaligned, and the gasket be suitable for it is described
Stop wall counter stopper.
Suspension according to an embodiment of the invention for vehicle, the H arms are aluminum casting and include：The first noumenon portion
With the second body part, the first noumenon portion inside edge is connected with the inside edge of second body part, and described second
Subframe fixed part is provided on body part, the subframe fixed part is prominent from the inside edge of second body part and will
The inside edge of second body part is divided into the first segment being connect with the first noumenon portion inside edge and with described first
The opposite second segment of section, the subframe fixed part and the first segment and the second segment are generally vertically.
Optionally, it is provided with shock-absorbing spring mounting portion in the first noumenon portion, the shock-absorbing spring mounting portion is from described
The upper surface in the first noumenon portion upwardly extends, and the root of the shock-absorbing spring mounting portion is provided with multiple liquid-leaking nozzles, Duo Gesuo
It states liquid-leaking nozzle around the shock-absorbing spring mounting portion to be arranged, weight loss groove, the weight loss groove packet is provided on second body part
The first weight loss groove and the second weight loss groove are included, first weight loss groove is strip slot and includes multiple, multiple first losss of weight
Slot is distributed and side by side close to the subframe fixed part, and second weight loss groove is circular trough and close second body part
Outer end is arranged.
The hanging for vehicle any just like first aspect is arranged in vehicle according to the second aspect of the invention
Frame.Possessed advantage is identical compared with the existing technology with the above-mentioned suspension for vehicle for the vehicle, and details are not described herein.
The additional aspect and advantage of the present invention will be set forth in part in the description, and will partly become from the following description
Obviously, or practice through the invention is recognized.
Description of the drawings
The above-mentioned and/or additional aspect and advantage of the present invention will become in the description from combination following accompanying drawings to embodiment
Obviously and it is readily appreciated that, wherein：
Fig. 1 is the structural schematic diagram of the suspension according to the ... of the embodiment of the present invention for vehicle；
Fig. 2 is the structural schematic diagram according to the ... of the embodiment of the present invention that be suspended in another angle for vehicle；
Fig. 3 is the partial structural diagram in Fig. 1；
Fig. 4 is the structural schematic diagram of Rear secondary frame for vehicle in Fig. 1；
Fig. 5 is the structural schematic diagram of longeron in Fig. 4；
Fig. 6 is the partial enlarged view in Fig. 5；
Fig. 7 is assembling schematic diagram of the wheel position adjusting part in lower mounting bracket.
Fig. 8 is the structural schematic diagram of H arms in Fig. 1；
Fig. 9 is the structural schematic diagram of upper swing arm in Fig. 2.
Reference numeral：
For the suspension 100 of vehicle, Rear secondary frame for vehicle 10, subframe ontology 1, first crossbeam 11, sleeve structure 111, second
Crossbeam 12, third crossbeam 13, mounting bracket 131, suspension mounting hole 1311, longeron 14, lightening hole 141, upper mounting bracket 142,
Lower mounting bracket 143, wheel position adjustment hole 1431, stop wall 1432, preceding mounting bracket 144, rear mounting bracket 145, control
Arm connecting hole 146, eccentric bolt 15, gasket 16, prenex pull rod 17, vehicle body fixed part 18, the first bushing 181, H arms 20, first
Body part 21, shock-absorbing spring mounting portion 211, recessed portion 212, liquid-leaking nozzle 2121, damper mounting portion 213, knuckle mounting portion
214, subframe mounting portion 215, bulb pin assembly 2151, the second body part 22, subframe fixed part 221, the second bushing 2211,
First segment 222, second segment 223, connecting rod fixed part 224, the first weight loss groove 225, the second weight loss groove 226, reinforcing rib 227 turn to
Section 30, connecting rod 40, stabiliser bar 50, shock-absorbing spring 60, upper swing arm 70, upper swing arm fixed part 701, damper 80.
Specific implementation mode
The embodiment of the present invention is described below in detail, examples of the embodiments are shown in the accompanying drawings, wherein from beginning to end
Same or similar label indicates same or similar element or element with the same or similar functions.Below with reference to attached
The embodiment of figure description is exemplary, and is only used for explaining the present invention, and is not considered as limiting the invention.
In the description of the present invention, it is to be understood that, term "center", " longitudinal direction ", " transverse direction ", " length ", " width ",
" thickness ", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom" "inner", "outside", " axial direction ",
The orientation or positional relationship of the instructions such as " radial direction ", " circumferential direction " is to be based on the orientation or positional relationship shown in the drawings, merely to just
In the description present invention and simplify description, do not indicate or imply the indicated device or element must have a particular orientation, with
Specific azimuth configuration and operation, therefore be not considered as limiting the invention.In addition, defining " first ", " second "
Feature can explicitly or implicitly include one or more this feature.In the description of the present invention, unless otherwise indicated,
The meaning of " plurality " is two or more.
In the description of the present invention, it should be noted that unless otherwise clearly defined and limited, term " installation ", " phase
Even ", " connection " shall be understood in a broad sense, for example, it may be being fixedly connected, may be a detachable connection, or be integrally connected；It can
Can also be electrical connection to be mechanical connection；It can be directly connected, can also indirectly connected through an intermediary, Ke Yishi
Connection inside two elements.For the ordinary skill in the art, above-mentioned term can be understood as the case may be
Concrete meaning in the present invention.
The suspension 100 according to the ... of the embodiment of the present invention for vehicle is described below with reference to Fig. 1-Fig. 9.As shown in figs. 1 to 9,
Suspension 100 according to the ... of the embodiment of the present invention for vehicle includes：Rear secondary frame for vehicle 10, upper swing arm 70 and two H arms 20.
Two H arms 20 are connected with the both ends of Rear secondary frame for vehicle 10 respectively, and specifically, H arms 20 can pass through subframe fixed part 221
It is connect with Rear secondary frame for vehicle 10, H arms 20 mainly undertake laterally, longitudinally and vertical force.
Further, as shown in Figure 1-Figure 3, knuckle 30, one end and the knuckle 30 of upper swing arm 70 are provided on H arms 20
It is connected, the other end is connected by upper mounting bracket 142 with Rear secondary frame for vehicle 10, as shown in Figure 1, being additionally provided with vibration damping bullet on H arms 20
Spring 60 and damper 80, shock-absorbing spring 60 and damper 80 are respectively positioned on the inside of knuckle 30, and wherein shock-absorbing spring 60 can play
The effect of vibration insulation and noise reduction, damper 80 can accelerate the decaying of Rear secondary frame for vehicle 10 and body vibrations, flat so as to improve the traveling of automobile
Pliable and ride comfort.
As shown in Figure 1-Figure 3, the suspension 100 for vehicle of the embodiment of the present invention can also include：Prenex pull rod 17 connects
One end of bar 40 and stabiliser bar 50, prenex pull rod 17 is connected with knuckle 30, and the other end passes through lower mounting bracket 143 and H arms 20
Fixed, one end of connecting rod 40 is connected with knuckle 30, and the other end of connecting rod 40 is connect with the connecting rod fixed part 224 on H arms 20, surely
Fixed pole 50 is connected with two H arms 20 respectively laterally across the both ends of subframe 10 and stabiliser bar 50.
As shown in figure 9, rod-like structure of the upper swing arm 70 of the embodiment of the present invention in bending, to ensure that suspension 100 is beated
When and vehicle body between gap it is reasonable, and the both ends of upper swing arm 70 have upper swing arm fixed part 701,701 structure of upper swing arm fixed part
Make as cyclic structure, upper swing arm 70 is connect with knuckle 30 and Rear secondary frame for vehicle 10 respectively by upper swing arm fixed part 701, thus on
Swing arm 70 and the connection of knuckle 30 and Rear secondary frame for vehicle 10 are firm, and fixed form is simple, and integrated forging may be used in upper swing arm 70
Molded, thus the moulding process of upper swing arm 70 is simple, can simplify linkage editor, reduces production cost.
Optionally, Rear secondary frame for vehicle 10, upper swing arm 70 and H arms 20 all can be Al-alloy parts, thus Rear secondary frame for vehicle 10, upper pendulum
The light weight of arm 70 and H arms 20, so as to effectively mitigate the quality of suspension 100, the lightweight for improving vehicle is horizontal, while vehicle
Fuel performance is good, economic performance is good.
As shown in figure 4, Rear secondary frame for vehicle 10 according to the ... of the embodiment of the present invention further includes：Subframe ontology 1, it is further, secondary
Frame body 1 may include：Multiple crossbeams (such as first crossbeam 11, second cross beam 12 and third crossbeam 13) and two longerons 14.
Optionally, casing design may be used in Rear secondary frame for vehicle 10, and middle part uses engraved structure, is thus conducive to power motor
Arrangement, to make the compact-sized of entire suspension 100, connection and reasonable arrangement.Further, as shown in figure 4, multiple crossbeams can be put down
Row arrangement, two longerons 14 are separately positioned on the both ends of multiple crossbeams, and with crossbeam by being welded and fixed, thus can increase crossbeam
With the bonding strength of longeron 14, crossbeam is set to be connect with longeron 14 firm, and fixed form is simple.
Further, crossbeam can be three and include：First crossbeam 11, second cross beam 12 and third crossbeam 13, first
Crossbeam 11, second cross beam 12 and 13 parallel interval of third crossbeam open arrangement, and second cross beam 12 is located at first crossbeam 11 and third is horizontal
Between beam 13, and as depicted in figs. 1 and 2, mounting structure before suspension can be provided on first crossbeam 11, it can on third crossbeam 13
To be provided with suspension post-mounting structure, in this way, mounting structure and suspension post-mounting structure are separately positioned on first crossbeam before suspension
11 and third crossbeam 13 on so that suspension and the tie point connection and reasonable arrangement of Rear secondary frame for vehicle 10, make to be suspended at Rear secondary frame for vehicle 10
On installation it is steady.
Rear secondary frame for vehicle 10 according to the ... of the embodiment of the present invention, by using the Rear secondary frame for vehicle 10 of aluminium alloy, after can effectively mitigating
The quality of subframe 10, the lightweight for improving vehicle is horizontal, meanwhile, Rear secondary frame for vehicle 10 is by 14 structure of multiple crossbeams and multiple longerons
At, and mounting structure and suspension post-mounting structure before suspension are respectively arranged on first crossbeam 11 and third crossbeam 13, between the two
It separates, so that the connection and reasonable arrangement of Rear secondary frame for vehicle 10, compact-sized.
Further, according to one embodiment of present invention, crossbeam can be aluminium section bar part, thus the light weight of crossbeam,
Optionally, 6061 aluminium alloys may be used in crossbeam, and the processing performance and welding performance of such crossbeam are good, so as to well
Realization is welded and fixed with longeron 14, and is unlikely to deform.
Longeron 14 can be aluminum casting, and optionally, longeron 14 can be hollow aluminum casting, thus the light weight of longeron 14,
Meanwhile A356 materials may be used in longeron 14, thus can meet the casting and forming of Complex Parts, the good moldability of longeron 14, molding
Defect is few, and good welding performance, is welded and fixed with crossbeam so as to well realize, and weld strength is high.
Further, as shown in Figure 4 and Figure 5, lightening hole 141 can be provided on longeron 14, lightening hole 141 can be in thickness
It spends and penetrates through longeron 14 on direction, and lightening hole 141 is located at the central region of longeron 14 in the longitudinal direction, is subtracted in this way by setting
Repeated hole 141 can effectively mitigate the quality of longeron 14, to mitigate the quality of Rear secondary frame for vehicle 10, and then improve the lightweight of vehicle
It is horizontal.
Optionally, as shown in Figure 4 and Figure 5, mounting structure can be structured as sleeve structure 111, sleeve structure 111 before suspending
It can be embedded on first crossbeam 11, and sleeve structure 111 at least partly protrudes the upper surface of first crossbeam 11, that is to say, that
A part for sleeve structure 111 is embedded in first crossbeam 11, and another part projects upwards the upper surface of first crossbeam 11, this
Sample, preceding installation point dynamic assembly suspension is fitted in casing, easy to connect, fixed reliable.
Optionally, as shown in figure 4, suspension post-mounting structure can be structured as mounting bracket 131, mounting bracket 131 is arranged
On third crossbeam 13, and mounting bracket 131 can be two groups, and two groups of mounting brackets 131 can be spaced on third crossbeam 13
Distribution is opened, further, every group of mounting bracket 131 may include two mounting brackets 131, and can on each mounting bracket 131
Be provided with suspension mounting hole 1311, threaded fastener such as bolt can pass through suspension mounting hole 1311 to dynamic assembly suspension into
Row is fixed, easy to operate, and may make being connected firmly for suspension and third crossbeam 13 by multiple mounting brackets 131, makes suspension
Installation on third crossbeam 13 is steady.
Optionally, as shown in figure 4, sleeve structure 111 and two groups of mounting brackets 131 can be respectively distributed to isosceles triangle
Three apexes, i.e. two groups of mounting brackets 131 are equal at a distance from sleeve structure 111, in this way, by (being covered at i.e. one at three
Mounting bracket 131 at pipe structure 111, two) connection, may make the installation being suspended on subframe 10 steady, connection it is firm.
Further, it can be provided with control arm mounting bracket on longeron 14, specifically, as shown in figure 5, control arm is installed
Holder is four groups and includes：Upper mounting bracket 142, lower mounting bracket 143, preceding mounting bracket 144 and rear mounting bracket 145, on
Mounting bracket 142, lower mounting bracket 143, preceding mounting bracket 144 and rear mounting bracket 145 around lightening hole 141 arrange, i.e., on
Mounting bracket 142, lower mounting bracket 143, preceding mounting bracket 144 and rear mounting bracket 145 are arranged in the upper of lightening hole 141
Side, lower section, front side and rear side (front-rear direction as shown in Figure 4), and mounting bracket 142 on every group, lower mounting bracket 143,
The quantity of preceding mounting bracket 144 and rear mounting bracket 145 all can be two, and each upper mounting bracket 142, lower mounting bracket
143, control arm connecting hole 146, threaded fastener such as spiral shell can be provided in preceding mounting bracket 144 and rear mounting bracket 145
Bolt may pass through control arm connecting hole 146 and control arm and longeron 14 be fixed, and thus control arm and longeron 14 is fixed,
Simultaneously under conditions of meeting control arm installation, it can guarantee that longeron 14 and the gap of rear drive shaft are reasonable.
Further, optional as shown in fig. 6, wheel position adjustment hole 1431 can be provided in lower mounting bracket 143
Ground, wheel position adjustment hole 1431 can be oblong hole, meanwhile, the both sides in oblong hole are provided with outwardly projecting stop wall
1432, as shown in fig. 7, Rear secondary frame for vehicle 10 may include：Wheel position adjusting part, wheel position adjusting part may include：
Eccentric bolt 15 and gasket 16, eccentric bolt 15 is with respect to 16 eccentric setting of gasket, the i.e. center of gasket 16 and eccentric bolt 15
Center it is misaligned, eccentric bolt 15 is adapted to pass through wheel position adjustment hole 1431 and can be horizontal in wheel position adjustment hole 1431
To movement, in moving process, gasket 16 is located in the slot that two stop walls 1432 are formed with lower mounting bracket ontology and and backstop
1432 counter stopper of wall.Meanwhile eccentric bolt 15 is fixed with prenex pull rod 17, prenex pull rod 17 is connected with knuckle 30, wheel
(not shown) is also connected with knuckle 30, thus in eccentric bolt 15 along the mistake of 1431 transverse shifting of wheel position adjustment hole
Drive the movement of knuckle 30 to achieve the purpose that change wheel direction in journey, to be adjusted to the positional parameter of wheel
It is whole, and then keep the toe-in of suspension 100 and flare adjustable, keep wheel trace precisely reasonable, vehicle performance is good.
Further, as shown in figure 4, the rear and front end of longeron 14 can be provided with vehicle body fixed part 18, i.e. two longerons
Four vehicle body fixed parts 18 are formed on 14 altogether, vehicle body fixed part 18 is located on four vertex of rectangle, vehicle body fixed part 18
Vehicle body fixed part 18 is configured to tube-in-tube structure, and tube-in-tube structure is protruding from longeron ontology, optionally, in tube-in-tube structure can be with
It is provided with the first bushing 181, the first bushing 181 is assembled with Rear secondary frame for vehicle 10 by design angle, i.e. the first bushing 181 and rear secondary vehicle
Frame 10 maintains certain angle of assembling during assembling, to meet the installation requirements of Rear secondary frame for vehicle 10 and vehicle body, meanwhile,
Rear secondary frame for vehicle 10 is flexible coupling with vehicle body tie point (i.e. vehicle body fixed part 18) using the first bushing 181, is conducive to improve vehicle
NVH performances.
To sum up, Rear secondary frame for vehicle 10 according to the ... of the embodiment of the present invention, using Lightweight aluminum alloy material, aluminum casting (such as longeron
14) hollow-core construction is used, light weight effect can be effectively improved；The complex structural members such as Rear secondary frame for vehicle 10, longeron 14 use cast aluminium work
Skill is molded, and moulding process is good, and for the installation point of the components such as control arm by machining after welding, dimensional accuracy is higher, suspension
Installation point structure (such as sleeve structure 111 and two groups of mounting brackets 131) designs and connection and reasonable arrangement, simple and compact for structure.
The concrete structure of the H arms 20 in the embodiment of the present invention is discussed in detail referring to Fig. 8：
The H arms 20 of the embodiment of the present invention can be aluminum casting, and A356 cast molds can be used, thus H arms 20
Moulding process is simple, forming defect is few, and production cost is low, and the light weight of H arms 20, so as to effectively mitigate the matter of suspension 100
Amount, is conducive to the raising of vehicle lightweight level.
As shown in figure 8, H arms 20 may include：The first noumenon portion 21 and the second body part 22,21 inner side edge of the first noumenon portion
The inside edge of edge and the second body part 22 is connected (inward-outward direction as shown in Figure 8), and can be set on the second body part 22
It is equipped with subframe fixed part 221, subframe fixed part 221 is prominent from the inside edge of the second body part 22 and by the second body part
22 inside edge is divided into first segment 222 and second segment 223, and wherein first segment 222 and the inside edge in the first noumenon portion 21 connects
It connects, second segment 223 is opposite with first segment 222, i.e. second segment 223 and first segment 222 is located at the two of subframe fixed part 221
Side, and the length of first segment 222 is less than the length of second segment 223.Optionally, subframe fixed part 221 and first segment 222 and the
Two section 223 generally vertically, that is to say, that the angle between first segment 222 and subframe fixed part 221 is about 90 °, second segment
Angle between 223 and subframe fixed part 221 is also about 90 °, thus can preferably avoid 20 periphery other structures of H arms, make
The compact in design of entire suspension 100, connection and reasonable arrangement, and the molding of H arms 20 is easy.
Further, recessed portion 212 and shock-absorbing spring mounting portion 211, recessed portion can be provided in the first noumenon portion 21
212 relative to the first noumenon portion 21 to lower recess, shock-absorbing spring mounting portion 211 be hollow tubular structure and from recessed portion 212 to
Upper extension, shock-absorbing spring 60 can be set on shock-absorbing spring mounting portion 211 and play the effect of vibration insulation and noise reduction.
Further, as shown in figure 8, the root of shock-absorbing spring mounting portion 211 can be provided with liquid-leaking nozzle 2121, that is, it is recessed
Liquid-leaking nozzle 2121 is formed in portion 212, liquid-leaking nozzle 2121 can be multiple, and multiple liquid-leaking nozzles 2121, which can surround shock-absorbing spring, pacifies
Dress portion 211 is arranged, and the liquid corrosion shock-absorbing spring 60 accumulated in recessed portion 212 during the work time is thus can avoid, to shadow
Ring the normal work and use service life of suspension 100.
Optionally, subframe mounting portion 215, the subframe mounting portion 215 are also provided in the first noumenon portion 21
It is stretched out from the inside edge in the first noumenon portion 21 to the direction far from the first noumenon portion 21, there is peace on subframe mounting portion 215
Tubing, bulb pin assembly 2151 can be provided with by installing in casing, and the radial rigidity of bulb pin assembly 2151 is big as a result, from
And the lateral rigidity of suspension 100 can be improved, improve the operational stability of vehicle.
Meanwhile fixed sleeving is formed on subframe fixed part 221, the second bushing 2211 is may be provided in fixed sleeving,
To be conducive to the power of damping road injustice transmission, the comfort property of vehicle is improved.
As shown in figure 8, H arms 20 can also have：Damper mounting portion 213, knuckle mounting portion 214 and connecting rod fixed part
224, subframe mounting portion 215 is arranged with knuckle mounting portion 214 around shock-absorbing spring mounting portion 211, and damper mounting portion
213 are arranged side by side with knuckle mounting portion 214 and positioned at the inside of knuckle mounting portion 214, damper mounting portion 213 and steering
Section mounting portion 214 is two, and two damper mounting portions 213 are spaced apart and are oppositely arranged, and the lower end setting of damper 80 exists
It between two damper mounting portions 213, and is connect with damper mounting portion 213 by threaded fastener, two knuckle installations
Portion 214 is also spaced apart and is oppositely arranged, and one of damper mounting portion 213 is located at first with knuckle mounting portion 214
In body portion 21, another damper mounting portion 213 is located at knuckle mounting portion 214 on the second body part 22, connecting rod fixed part
224 are located at the outer end on the second body part 22 and positioned at the second body part 22, and connecting rod fixed part 224 is also two and is spaced
It opens, the lower end of connecting rod 40 is arranged between two connecting rod fixed parts 224, and is connected by threaded fastener and connecting rod fixed part 224
It connects, connecting rod 40 and damper 80 and H arms 20 are connected firmly as a result, simple installation.
Again as shown in figure 8, damper mounting portion 213, knuckle mounting portion 214 and connecting rod fixed part 224 are located at H arms 20
Outer ledge, and being spaced apart along outer ledge, subframe fixed part 221 and subframe mounting portion 215 are located at the inside of H arms 20
Edge, and being spaced apart along inside edge, thus H arms 20 reasonable in design, characteristics of compact layout.
Optionally, it can be provided with weight loss groove on the second body part 22, further, weight loss groove may include the first loss of weight
Slot 225 and the second weight loss groove 226, wherein the first weight loss groove 225 is strip slot and includes multiple, multiple first weight loss grooves 225
Distribution and close subframe fixed part 221, the second weight loss groove 226 are circular trough and are arranged close to connecting rod fixed part 224 side by side, by
This can effectively mitigate the quality of H arms 20 by the first weight loss groove 225 and the second weight loss groove 226, to mitigate the matter of suspension 100
Amount, and then the lightweight for being conducive to be promoted vehicle is horizontal, while disclosure satisfy that production requirement, make full use of the structure on H arms 20
Space.
Meanwhile as shown in figure 8, the neighboring of the first weight loss groove 225 and the second weight loss groove 226 can be provided with reinforcing rib
227, reinforcing rib 227 is annular and is arranged around the first weight loss groove 225 and the second weight loss groove 226, so as to be effectively increased H arms
20 strength and stiffness extend the service life of H arms 20.
To sum up, the H arms 20 of the embodiment of the present invention use Lightweight aluminum alloy material, and are molded using aluminum process so that H
The light weight effect of arm 20 is good；And the unsprung mass of suspension 100 is advantageously reduced, improve stable operation performance；Subframe simultaneously
Bushing (such as the second bushing 2211) function allocation on bulb pin assembly 2151 and subframe fixed part 221 on mounting portion 215
It is clear, be conducive to the performance for improving suspension 100.
In conclusion the suspension 100 according to the ... of the embodiment of the present invention for vehicle, whole to have good intensity and rigidity
Performance, the main components such as subframe 10, H arms 20, upper swing arm 70 use Lightweight aluminum alloy material, outstanding so as to effectively mitigate
The quality of frame 100, the lightweight for being conducive to improve vehicle are horizontal.
Four wheel locating parameter adjustment structure (i.e. wheel position adjustment hole 1431 and wheel position adjusting part) simultaneously so that
The position adjusting of wheel is easy to operate, and wheel trace is precisely reasonable, Windsor；Shock-absorbing spring 60 be arranged in vehicle body with
Between H arms 20, is conducive to increase rear space, enough spaces are provided for the installation of other component；
H arms 20 and Rear secondary frame for vehicle 10 using 2 points of installations, undertake it is main laterally, longitudinally and vertical force, it is compact-sized, even
It is simple to connect mode, connection is firm, while being conducive to the arrangement of battery.
Optionally, the suspension 100 of the embodiment of the present invention can be multi-connecting-rod separated suspension.
The present invention also provides a kind of vehicle, which includes the above-mentioned suspension 100 for vehicle, to have vehicle
The advantages that lightweight is horizontal high, operational stability is good.
In the description of this specification, reference term " one embodiment ", " some embodiments ", " illustrative examples ",
The description of " example ", " specific example " or " some examples " etc. means specific features described in conjunction with this embodiment or example, knot
Structure, material or feature are included at least one embodiment or example of the invention.In the present specification, to above-mentioned term
Schematic representation may not refer to the same embodiment or example.Moreover, specific features, structure, material or the spy of description
Point can be combined in any suitable manner in any one or more of the embodiments or examples.
Although an embodiment of the present invention has been shown and described, it will be understood by those skilled in the art that：Not
In the case of being detached from the principle of the present invention and objective a variety of change, modification, replacement and modification can be carried out to these embodiments, this
The range of invention is limited by claim and its equivalent.
Claims (10)
1. a kind of suspension for vehicle, which is characterized in that including：
Subframe and upper swing arm；
Two H arms, described two H arms are connected with the both ends of the subframe respectively, and knuckle is provided on the H arms, described
One end of upper swing arm is connected with the knuckle, and the other end of the upper swing arm is connected with the subframe；
The subframe, the upper swing arm and the H arms are Al-alloy parts.
2. the suspension according to claim 1 for vehicle, which is characterized in that the subframe includes：
Subframe ontology, the subframe ontology include：Multiple crossbeams and two longerons, multiple crossbeam parallel arrangements, two
A longeron is separately positioned on the both ends of multiple crossbeams, and the longeron is aluminum casting, and the crossbeam is aluminium section bar part, institute
Crossbeam is stated to be welded and fixed with the longeron.
3. the suspension according to claim 2 for vehicle, which is characterized in that be provided with loss of weight in the middle part of the longeron
Hole, the lightening hole penetrate through the longeron in a thickness direction, and the longeron is provided at both ends with vehicle body fixed part, the vehicle body
Fixed part is configured to sleeve, and the first bushing is embedded in the sleeve.
4. the suspension according to claim 2 for vehicle, which is characterized in that the crossbeam is three and includes：First
Crossbeam, second cross beam and third crossbeam, the second cross beam are and described between the first crossbeam and the third crossbeam
It is provided with the preceding mounting structure of suspension on first crossbeam, suspension post-mounting structure is provided on the third crossbeam.
5. the suspension according to claim 4 for vehicle, which is characterized in that mounting structure is configured to cover before the suspension
Pipe structure, described sleeve pipe structure are embedded on the first crossbeam, and described sleeve pipe structure at least partly protrudes first cross
The upper surface of beam, the suspension post-mounting structure are mounting bracket, and the mounting bracket is two groups, and mounting bracket exists described in two groups
It is spaced apart on the third crossbeam, mounting bracket described in every group includes two mounting brackets, and is provided on the mounting bracket
Suspend mounting hole.
6. the suspension according to claim 3 for vehicle, which is characterized in that be provided with control arm installation on the longeron
Holder, control arm mounting bracket are four groups and include：Upper mounting bracket, lower mounting bracket, preceding mounting bracket and rear mounting bracket,
The upper mounting bracket, the lower mounting bracket, the preceding mounting bracket and the rear mounting bracket surround the lightening hole cloth
It sets, and control is provided in the upper mounting bracket, the lower mounting bracket, the preceding mounting bracket and the rear mounting bracket
Arm connecting hole.
7. the suspension according to claim 6 for vehicle, which is characterized in that be provided with wheel in the lower mounting bracket
Position adjustment hole, the wheel position adjustment hole are oblong hole, and the both sides in the oblong hole are provided with outwardly projecting stop
Retaining wall, the subframe further include：Wheel position adjusting part, the wheel position adjusting part include：
Eccentric bolt, the eccentric bolt are adapted to pass through the wheel position adjustment hole and are fixed with prenex pull rod, the toe-in
Pull rod is connected with knuckle, to change vehicle during the eccentric bolt is along the wheel position adjustment hole transverse shifting
The direction of wheel；
Gasket, the center of the gasket and the center of the eccentric bolt are misaligned, and the gasket is suitable for and the backstop
Wall counter stopper.
8. the suspension according to claim 1 for vehicle, which is characterized in that the H arms are aluminum casting and include：First
Body part and the second body part, the first noumenon portion inside edge is connected with the inside edge of second body part, and institute
It states and is provided with subframe fixed part on the second body part, the subframe fixed part is prominent from the inside edge of second body part
Go out and by the inside edge of second body part be divided into the first segment being connect with the first noumenon portion inside edge and with institute
State the opposite second segment of first segment, the subframe fixed part and the first segment and the second segment generally vertically.
9. the suspension according to claim 8 for vehicle, which is characterized in that the first noumenon is provided with vibration damping in portion
Spring mountings, the shock-absorbing spring mounting portion is upwardly extended from the upper surface in the first noumenon portion, and the shock-absorbing spring
The root of mounting portion is provided with multiple liquid-leaking nozzles, and multiple liquid-leaking nozzles are arranged around the shock-absorbing spring mounting portion, and described the
Weight loss groove is provided on two body parts, the weight loss groove includes the first weight loss groove and the second weight loss groove, and first weight loss groove is
Strip slot and include multiple, multiple first weight loss grooves are distributed and side by side close to the subframe fixed parts, and described second
Weight loss groove is circular trough and is arranged close to the outer end of second body part.
10. a kind of vehicle, which is characterized in that include the suspension for vehicle according to any one of claim 1-9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810374839.XA CN108382470B (en) | 2018-04-24 | 2018-04-24 | Suspension for vehicle and vehicle with same |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810374839.XA CN108382470B (en) | 2018-04-24 | 2018-04-24 | Suspension for vehicle and vehicle with same |
Publications (2)
| Publication Number | Publication Date |
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| CN108382470A true CN108382470A (en) | 2018-08-10 |
| CN108382470B CN108382470B (en) | 2020-04-14 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201810374839.XA Active CN108382470B (en) | 2018-04-24 | 2018-04-24 | Suspension for vehicle and vehicle with same |
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| CN109204473A (en) * | 2018-10-31 | 2019-01-15 | 安徽万安汽车零部件有限公司 | A kind of casting of aluminium alloy plus aluminium alloy extrusions weld five connecting rod Rear secondary frame for vehicle |
| CN110550107A (en) * | 2019-09-24 | 2019-12-10 | 北京汽车集团越野车有限公司 | Connection structure and vehicle of frame and control arm |
| CN111301524A (en) * | 2018-12-11 | 2020-06-19 | 上海汽车集团股份有限公司 | Pure electric vehicle and rear auxiliary frame thereof |
| CN112319164A (en) * | 2020-11-18 | 2021-02-05 | 芜湖禾田汽车工业有限公司 | Automobile suspension system based on cast aluminum alloy |
| US20210155290A1 (en) * | 2019-11-22 | 2021-05-27 | Industrial Technology Research Institute | Steering device and method thereof |
| CN114013509A (en) * | 2020-11-09 | 2022-02-08 | 浙江拓为汽车部件有限公司 | Casting type rear auxiliary frame of asymmetric upper and lower cross beams |
| CN114763045A (en) * | 2021-01-11 | 2022-07-19 | 长城汽车股份有限公司 | Rear mounting bracket of lower control arm of front suspension, suspension system and vehicle |
| CN114872795A (en) * | 2022-06-02 | 2022-08-09 | 中国第一汽车股份有限公司 | Electric vehicle rear suspension system and electric vehicle |
| CN116812007A (en) * | 2023-07-18 | 2023-09-29 | 小米汽车科技有限公司 | Auxiliary frame structure and vehicle |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN109204473A (en) * | 2018-10-31 | 2019-01-15 | 安徽万安汽车零部件有限公司 | A kind of casting of aluminium alloy plus aluminium alloy extrusions weld five connecting rod Rear secondary frame for vehicle |
| CN111301524A (en) * | 2018-12-11 | 2020-06-19 | 上海汽车集团股份有限公司 | Pure electric vehicle and rear auxiliary frame thereof |
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| CN114013509A (en) * | 2020-11-09 | 2022-02-08 | 浙江拓为汽车部件有限公司 | Casting type rear auxiliary frame of asymmetric upper and lower cross beams |
| CN112319164A (en) * | 2020-11-18 | 2021-02-05 | 芜湖禾田汽车工业有限公司 | Automobile suspension system based on cast aluminum alloy |
| CN114763045A (en) * | 2021-01-11 | 2022-07-19 | 长城汽车股份有限公司 | Rear mounting bracket of lower control arm of front suspension, suspension system and vehicle |
| CN114872795A (en) * | 2022-06-02 | 2022-08-09 | 中国第一汽车股份有限公司 | Electric vehicle rear suspension system and electric vehicle |
| CN116812007A (en) * | 2023-07-18 | 2023-09-29 | 小米汽车科技有限公司 | Auxiliary frame structure and vehicle |
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