CN103129617B - Surrounding structure for suspension frame of vehicle - Google Patents
Surrounding structure for suspension frame of vehicle Download PDFInfo
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- CN103129617B CN103129617B CN201210500005.1A CN201210500005A CN103129617B CN 103129617 B CN103129617 B CN 103129617B CN 201210500005 A CN201210500005 A CN 201210500005A CN 103129617 B CN103129617 B CN 103129617B
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- vehicle frame
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- width direction
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- 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
- B62D21/11—Understructures, i.e. chassis frame on which a vehicle body may be mounted with resilient means for suspension, e.g. of wheels or engine; sub-frames for mounting engine or suspensions
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Abstract
The invention provides a surrounding structure for a suspension frame of a vehicle, which is capable of highly effectively bearing loads and vibrations applied onto the body of the vehicle and increasing the rigidity of the body of the vehicle. The surrounding structure for the suspension frame of the vehicle comprises a suspension frame (4) connected between two side frames (2) configured at the two sides of the vehicle width direction of a drive mechanism and arranged at a certain interval along the front-and-back direction relative to the drive mechanism; and a torque rod (5) used for connecting the drive mechanism and the suspension frame (4). The suspension frame (4) comprises a front arm (10) and a rear arm (11) extending outwardly from the two ends of a middle connection body in the vehicle width direction. One end portion of the torque rod (5) is mounted on the middle connection body (9) of the suspension frame (4). The front arms (10) or the rear arms (11) located at the opposite sides of the torque rod (5) in the front-and-back direction are formed into an arc shape protruding by taking the middle connection body (9) as an apex in a plan view.
Description
Technical field
The present invention relates to the peripheral construction of the suspension vehicle frame between a kind of side vehicle frame being configured in vehicle-width direction pair of right and left.
Background technology
In the vehicles such as automobile, as the parts forming body framing, be separated with mutually compartment of terrain in the vehicle width direction and be provided with an offside vehicle frame.At offside vehicle frame periphery separately, be provided with underarm as the part forming hitch, when vehicle travels, load and vibration can be imported into car body from wheel via underarm.As such load and vibration, such as, when can list the load of the vehicle-width direction of Ackermann steer angle and vibration, car brakeing and the load of the vehicle fore-and-aft direction in the time of acceleration and vibration, by the load of the concavo-convex above-below direction caused on road surface and vibration, the load be made up of these load and vibrations synthesis composition and vibration etc.In addition, also exist from vehicle fore-and-aft direction or vehicle-width direction the situation of the direct applied load of car body.Such load and vibration become the riding stability that can cause reducing vehicle, and in compartment, produce the major cause of vibration and noise.In order to tackle such problem, improve the rigidity of car body for bearing load and vibration, between an offside vehicle frame and between a pair underarm, suspension has suspension vehicle frame.
As an example with the structure hanging vehicle frame, in patent documentation 1, the supporting member (side member portion) extended to vehicle fore-and-aft direction is configured with in the below of the front side vehicle frame (front side member) of vehicle-width direction pair of right and left, at the underarm installation portion of the leading section and rearward end that are arranged at supporting member respectively, suspension underarm is installed, between a pair supporting member, suspension has the suspension vehicle frame (rack housing) extended with linearity along vehicle-width direction, the both ends hanging the vehicle-width direction of vehicle frame are arranged on the pars intermedia of the vehicle fore-and-aft direction of supporting member.In addition, between the suspension vehicle frame installation portion of the underarm installation portion in the front side of supporting member and supporting member, front side car body installation portion is provided with along vehicle above-below direction, also be provided with from the underarm installation portion of the rear side of supporting member to vehicle-width direction rear side car body installation portion protruding outside, supporting member utilizes front side car body installation portion and rear side car body installation portion to be installed on front side vehicle frame.
Patent documentation 1: Japanese Unexamined Patent Publication 2001-191945 publication
But, in the structure of patent documentation 1, hang vehicle frame just to extend along vehicle-width direction with linearity, be difficult to utilize and hang load and the vibration that vehicle frame sustains vehicle fore-and-aft direction, suspension vehicle frame cannot be utilized to improve the load of car body relative to vehicle fore-and-aft direction and the rigidity of vibration efficiently.
For the relation of the suspension vehicle frame in the structure of patent documentation 1 and front side vehicle frame, the both ends hanging vehicle frame are arranged on the pars intermedia of supporting member, at the front side of supporting member, the front side car body installation portion being configured in the pars intermedia front of supporting member is installed on front side vehicle frame, at the rear side of supporting member, the rear side car body installation portion being configured in the underarm installation portion on rear side of supporting member is installed on front side vehicle frame.In this configuration, when hanging vehicle frame and bearing load and the vibration of vehicle-width direction, the moment rotated centered by the axis extended along the vertical direction can be applied to the front side car body installation portion and rear side car body installation portion laying respectively at front side and rear side relative to the both ends hanging vehicle frame.In addition, when hanging vehicle frame and bearing load and the vibration of above-below direction, can apply to front side car body installation portion and rear side car body installation portion the moment that rotates centered by the axis extended along vehicle-width direction.But, in the structure of patent documentation 1, this moment cannot be sustained fully.Therefore, in the structure of patent documentation 1, be difficult to the load and the vibration that sustain vehicle-width direction, suspension vehicle frame cannot be utilized to improve the load of car body relative to vehicle-width direction and the rigidity of vibration efficiently.
Summary of the invention
Namely the present invention makes in view of such actual conditions, its object is to provide a kind of and can sustain the load and vibration that apply car body efficiently and improve the rigidity of car body, improve the peripheral construction of the riding stability of vehicle and the suspension vehicle frame of the vibration reduced in compartment and noise.
In order to deal with problems, the peripheral construction of the suspension vehicle frame of a technical scheme of the present invention comprises: an offside vehicle frame, and it is configured in the vehicle-width direction both sides of drive mechanism for vehicle, hang vehicle frame, it is connected between an above-mentioned offside vehicle frame, and is configured in relative to above-mentioned driver train on vehicle fore-and-aft direction by certain interval, and torsion bar, it is formed as elongated shape, for linking above-mentioned driver train and above-mentioned suspension vehicle frame, and configure along vehicle fore-and-aft direction, above-mentioned suspension vehicle frame comprises the central union body of the vehicle-width direction central authorities being positioned at vehicle, from the front side arm that the vehicle-width direction both ends of above-mentioned central union body extend outside vehicle-width direction, and at the posterolateral arm that the rear of above-mentioned front side arm extends outside vehicle-width direction from the vehicle-width direction both ends of above-mentioned central union body, above-mentioned front side arm and above-mentioned posterolateral arm are configured to be installed on the vehicle frame of above-mentioned side, in the peripheral construction hanging vehicle frame, one end of above-mentioned torsion bar is installed on the central union body of above-mentioned suspension vehicle frame, be positioned at when the above-mentioned front side arm of above-mentioned torsion bar in the opposition side of vehicle fore-and-aft direction or above-mentioned posterolateral arm are formed as overlooking is for the outstanding circular shape in summit with above-mentioned central union body.
In the peripheral construction of the suspension vehicle frame of a technical scheme of the present invention, also comprise be configured in above-mentioned side vehicle frame vehicle-width direction outside lower longeron, for linking the lower stringer of above-mentioned side vehicle frame and above-mentioned lower longeron, the installation portion of above-mentioned side vehicle frame and above-mentioned lower stringer and the installation portion of above-mentioned lower stringer and above-mentioned lower longeron configure along above-mentioned circular shape.
In the peripheral construction of the suspension vehicle frame of a technical scheme of the present invention, above-mentioned front side arm and above-mentioned posterolateral arm tubular material are made, and above-mentioned front side arm and above-mentioned posterolateral arm configure along vehicle fore-and-aft direction overlappingly at the sidepiece of the vehicle-width direction of above-mentioned central union body.
In the peripheral construction of the suspension vehicle frame of a technical scheme of the present invention, the axis direction of above-mentioned torsion bar is with roughly orthogonal with the tangent line of the above-mentioned circular shape of the installation portion of above-mentioned torsion bar by above-mentioned central union body.In addition, the center configuration of the above-below direction of above-mentioned front side arm and above-mentioned posterolateral arm is in same plane, and above-mentioned torsion bar is configured to almost parallel with above-mentioned plane or strides across above-mentioned plane.
Adopt the present invention, following effect can be obtained.The peripheral construction of the suspension vehicle frame of a technical scheme of the present invention comprises: an offside vehicle frame, and it is configured in the vehicle-width direction both sides of drive mechanism for vehicle, hang vehicle frame, it is connected between an above-mentioned offside vehicle frame, and is configured in relative to above-mentioned driver train on vehicle fore-and-aft direction by certain interval, and torsion bar, it is formed as elongated shape, for linking above-mentioned driver train and above-mentioned suspension vehicle frame, and configure along vehicle fore-and-aft direction, above-mentioned suspension vehicle frame comprises the central union body of the vehicle-width direction central authorities being positioned at vehicle, from the front side arm that the vehicle-width direction both ends of above-mentioned central union body extend outside vehicle-width direction, and at the posterolateral arm that the rear of above-mentioned front side arm extends outside vehicle-width direction from the vehicle-width direction both ends of above-mentioned central union body, above-mentioned front side arm and above-mentioned posterolateral arm are configured to be installed on the vehicle frame of above-mentioned side, in the peripheral construction hanging vehicle frame, one end of above-mentioned torsion bar is installed on the central union body of above-mentioned suspension vehicle frame, be positioned at when the above-mentioned front side arm of above-mentioned torsion bar in the opposition side of vehicle fore-and-aft direction or above-mentioned posterolateral arm are formed as overlooking is for the outstanding circular shape in summit with above-mentioned central union body.Therefore, when the load of vehicle fore-and-aft direction puts on car body with vibration, such load and vibration to be delivered to via torsion bar from drive mechanism for vehicle and to hang the central union body of vehicle frame, are formed as the front side arm of circular shape or posterolateral arm bears by central union body with in order to have high stiffness.Further, such load and vibration are delivered to the higher side vehicle frame of rigidity from front side arm or posterolateral arm and are disperseed.Therefore, it is possible to bear load and the vibration of vehicle fore-and-aft direction efficiently, thus the load of car body relative to vehicle fore-and-aft direction and the rigidity of vibration can be improved.
In the peripheral construction of the suspension vehicle frame of a technical scheme of the present invention, also comprise be configured in above-mentioned side vehicle frame vehicle-width direction outside lower longeron, for linking the lower stringer of above-mentioned side vehicle frame and above-mentioned lower longeron; The installation portion of above-mentioned side vehicle frame and above-mentioned lower stringer and the installation portion of above-mentioned lower stringer and above-mentioned lower longeron configure along above-mentioned circular shape, therefore, when the load of vehicle fore-and-aft direction puts on car body with vibration, as mentioned above, in the past side arm or posterolateral arm are delivered to the load of the higher side vehicle frame of rigidity and vibration is delivered to lower longeron via lower stringer and is disperseed.Therefore, it is possible to bear load and the vibration of vehicle fore-and-aft direction efficiently, thus the load of car body relative to vehicle fore-and-aft direction and the rigidity of vibration can be improved.
In the peripheral construction of the suspension vehicle frame of a technical scheme of the present invention, above-mentioned front side arm and above-mentioned posterolateral arm tubular material are made, above-mentioned front side arm and above-mentioned posterolateral arm configure along vehicle fore-and-aft direction overlappingly at the sidepiece of the vehicle-width direction of above-mentioned central union body, therefore, it is possible to improve the rigidity of the central union body periphery hanging vehicle frame.Therefore, be delivered to the load of the central union body of suspension vehicle frame from drive mechanism for vehicle via torsion bar and vibrate the front side arm or the posterolateral arm that are easy to be delivered to circular shape.Therefore, it is possible to bear load and the vibration of vehicle fore-and-aft direction efficiently, thus the load of car body relative to vehicle fore-and-aft direction and the rigidity of vibration can be improved.
In the peripheral construction of the suspension vehicle frame of a technical scheme of the present invention, the axis direction of above-mentioned torsion bar is with roughly orthogonal with the tangent line of the above-mentioned circular shape of the installation portion of above-mentioned torsion bar by above-mentioned central union body, therefore, be delivered to the load of the central union body of suspension vehicle frame from drive mechanism for vehicle via torsion bar and vibrate the front side arm or the posterolateral arm that are easy to be dispersed to circular shape.Therefore, it is possible to bear load and the vibration of vehicle fore-and-aft direction efficiently, thus the load of car body relative to vehicle fore-and-aft direction and the rigidity of vibration can be improved.
In the peripheral construction of the suspension vehicle frame of a technical scheme of the present invention, the center configuration of the above-below direction of above-mentioned front side arm and above-mentioned posterolateral arm is in same plane, above-mentioned torsion bar is configured to almost parallel with above-mentioned plane or strides across above-mentioned plane, therefore, be delivered to the load of torsion bar from drive mechanism for vehicle and vibrate the central union body being easy to be delivered to suspension vehicle frame, further, be delivered to the load of the central union body hanging vehicle frame from torsion bar and vibrate the front side arm or the posterolateral arm that are easy to be delivered to circular shape.Therefore, it is possible to bear load and the vibration of vehicle fore-and-aft direction efficiently, thus the load of car body relative to vehicle fore-and-aft direction and the rigidity of vibration can be improved.
Accompanying drawing explanation
Fig. 1 is the outline upward view of the Vehicular body front of the peripheral construction representing the suspension vehicle frame with embodiment of the present invention.
Fig. 2 is the outline upward view of the suspension vehicle frame representing embodiment of the present invention.
Fig. 3 is the approximate three-dimensional map of the suspension vehicle frame of embodiment of the present invention viewed from vehicle front side oblique upper.
Fig. 4 is with the forward suspension body representing suspension vehicle frame with imaginary line and by the enlarged drawing in the A portion in state representation Fig. 1 of its semi-sictional view.
Fig. 5 is to represent that with imaginary line the approximate three-dimensional map of the suspension vehicle frame of embodiment of the present invention to the installation portion periphery of car body is seen in the state of underarm oblique below on the right side of vehicle direct of travel.
Fig. 6 is the figure of the rear side suspension shaft periphery of the rear side suspension body of the suspension vehicle frame analysing and observe embodiment of the present invention.
Detailed description of the invention
Below, the peripheral construction of the suspension vehicle frame of embodiment of the present invention is described.In addition, front engine, front is used to drive the Vehicular body front of the vehicle of (FF) mode that present embodiment is described.
With reference to Fig. 1, be provided with offside vehicle frame 2, offside vehicle frame 2 for forming body framing along vehicle fore-and-aft direction at Vehicular body front 1 and be separated with mutually compartment of terrain configuration in the vehicle width direction.In Vehicular body front 1, be provided with a pair underarm 3 for forming hitch, underarm 3 is configured in the below of side vehicle frame 2.In addition, between an offside vehicle frame 2, be configured with suspension vehicle frame 4.Though be not particularly illustrated, be configured with the driver train such as driving engine, change-speed box at the front side hanging vehicle frame 4, be configured with side vehicle frame 2 in the vehicle-width direction both sides of driver train.Referring again to Fig. 1, be provided with the torsion bar 5 of elongated shape at Vehicular body front 1, torsion bar 5 along fore-and-aft direction configuration, and will hang vehicle frame 4 and driver train (not shown) links up.Be provided with the lower longeron 6 for forming body panel at Vehicular body front 1, lower longeron 6 is configured in outside the vehicle-width direction of side vehicle frame 2.Also be provided with the lower stringer (hereinafter referred to as " extension ") 7 for linking side vehicle frame 2 and lower longeron 6.
At this, the details of side vehicle frame 2 is described.With reference to Fig. 1 and Fig. 5, the pars intermedia 2c that side vehicle frame 2 has the anterior 2a that extends in front-rear direction and rear portion 2b, extends between anterior 2a and rear portion 2b.Pars intermedia 2c is formed upward deviously, and anterior 2a is positioned at than rear portion 2b by the top.
The details of underarm 3 is described.Underarm 3 is configured to the pars intermedia 2c striding across side vehicle frame 2 at fore-and-aft direction.It is roughly L-shaped shape when underarm 3 is formed as overlooking.Underarm 3 is to have the axletree installation portion 3a extended to vehicle-width direction, and the mode being provided with axletree (not shown) at the vehicle-width direction external side end of axletree installation portion 3a is formed.With reference to Fig. 4, underarm 3 has at the installed in front portion 3b outstanding to vehicle-width direction center side with the same position on the fore-and-aft direction of axletree installation portion 3a.Installed in front portion 3b is formed as the tubular extended in front-rear direction, and it has the through hole 3b1 extended in front-rear direction.Referring again to Fig. 1 and Fig. 5, underarm 3 has rearward outstanding rear side installation portion 3c.On rear side of this, installation portion 3c is formed with vertically through through hole 3c1.With reference to Fig. 6, run through flexible body 8 at this through hole 3c1, though be not particularly illustrated, elastic body 8 is formed as ring-shaped.
The details hanging vehicle frame 4 is described.With reference to Fig. 2 and Fig. 3, be provided with the central union body 9 of the vehicle-width direction central authorities being positioned at vehicle at suspension vehicle frame 4.Also be provided with the front side arm 10 extended outside vehicle-width direction from the vehicle-width direction both ends of central union body 9, on front side of this, the rear side of arm 10 is provided with the posterolateral arm 11 extended outside vehicle-width direction from the vehicle-width direction both ends of central union body 9.The forward suspension body 12 that the vehicle-width direction outboard end being provided with side arm 10 in the past extends outside vehicle-width direction, is provided with the suspension arm 13 for suspension side vehicle frame 2 and forward suspension body 12.Be provided with the rear side suspension body 14 extended outside vehicle-width direction from the vehicle-width direction outside portion of posterolateral arm 11, be provided with the reinforcement fixing body 15 rearward extended from the rearward end of suspension body 14 on rear side of this.Be provided with the outside brace 16 linking forward suspension body 12 and rear side suspension body 14, relative to outside brace 16, be provided with the inner side brace 17 linking front side arm 10 and posterolateral arm 11 by vehicle-width direction center side.
Be described further hanging the central union body 9 of vehicle frame 4, front side arm 10 and posterolateral arm 11.The rearward end 5b of above-mentioned torsion bar 5 is installed on central union body 9.In addition, front side arm 10 and posterolateral arm 11 are made with tubular material, and front side arm 10 and posterolateral arm 11 have the cross-sectional plane of quadrilateral shape.The road surface (not shown) that on front side of these, upper surface of arm 10 and posterolateral arm 11 and lower surface and vehicle travel configures abreast.Front side arm 10 is the circular shape bending towards rear when being formed as overlooking, the circular shape of front side arm 10 with central union body 9 for summit is outstanding.Being positioned at torsion bar 5 is the circular shape bent toward the front when the posterolateral arm 11 of the opposition side of fore-and-aft direction is formed as overlooking, the circular shape of posterolateral arm 11 with central union body 9 for summit is given prominence to.The axis 5a of torsion bar 5 is roughly orthogonal with the tangent line 5b of the circular shape of posterolateral arm 11, and this tangent line 5b extends in the position identical in the vehicle width direction with the installation portion of the torsion bar 5 on central union body 9.Such front side arm 10 and posterolateral arm 11 configure along the longitudinal direction overlappingly at the vehicle-width direction both ends of central union body 9.The center configuration of the above-below direction of front side arm 10 and posterolateral arm 11 is in same plane.In addition, the axis 5a of torsion bar 5 is configured to this plane parallel or to stride across this plane better.
Be described further hanging the forward suspension body 12 of vehicle frame 4, suspension arm 13, rear side suspension body 14 and strengthening fixing body 15.Forward suspension body 12 and rear side suspension body 14 are configured in the height roughly equal with central union body 9.Forward suspension body 12 have side opening in the wings, the cross-sectional plane of roughly Japanese コ word shape.The lower wall 12c that such forward suspension body 12 has the front bulkhead 12a vertically extended, the upper side wall 12b extended rearward from the upper end of front bulkhead 12a, extends rearward from the lower end of front bulkhead 12a.Through hole 12a1 through is in front-rear direction formed at front bulkhead 12a.Recess 12b1, the 12c1 at its vehicle-width direction outer side edges opening is provided with at upper side wall 12b and lower wall 12c.Be inserted with the installed in front portion 3b of underarm 3 from the vehicle-width direction external side end of such forward suspension body 12, installed in front portion 3b is configured in relative to recess 12b1,12c1 side on the front between the upper side wall 12b and lower wall 12c of forward suspension body 12.
Suspension arm 13 is formed as the arc-shaped extended upward from front side suspension body 12.The recess 12b1 of the medial end 13a of the vehicle-width direction center side of suspension arm 13 and the upper side wall 12b of forward suspension body 12 and the recess 12c1 tabling of lower wall 12c.This medial end 13a is configured between the front surface of the installed in front portion 3b of underarm 3 and the front bulkhead 16a of outside brace 16.With reference to Fig. 4, be formed with through hole 13a1 through in front-rear direction at the medial end 13a of the vehicle-width direction center side of suspension arm 13.Run through at this through hole 13a1 and have mounting nuts 18, the rearward end of mounting nuts 18 is engaged in the front surface of the front bulkhead 16a of outside brace 16.The forward suspension axle 19 having and extend in front-rear direction is run through at the through hole 3b1 of the through hole 12a1 of the front bulkhead 12a of forward suspension body 12 and the installed in front portion 3b of underarm 3.The leading section of forward suspension axle 19 is installed on the front bulkhead 12a of forward suspension body 12, and the rearward end of forward suspension axle 19 is linked to mounting nuts 18.Further, the outboard end 13b outside the vehicle-width direction of suspension arm 13 is formed with projection 13c outstanding upward, and this projection 13c is arranged on the lower surface of the anterior 2a of side vehicle frame 2.
Rear side suspension body 14 have front side opening, the cross-sectional plane that is formed as roughly Japanese コ word shape.Such rear side suspension body 14 have vertically extend aft bulkhead 14a, from the upper end of aft bulkhead 14a forwards side extend upper side wall 14b, from the lower end of aft bulkhead 14a the forwards lower wall 14c that extends of side.Vertically through through hole (not shown) is formed at upper side wall 14b and lower wall 14c.The rear side installation portion 3c of underarm 3 is inserted with, between the upper side wall 14b that rear side installation portion 3c is configured in rear side suspension body 14 and lower wall 14c from the front side of such rear side suspension body 14.The rear side suspension shaft 20 having and vertically extend is run through at the through hole of upper side wall 14b, the through hole of elastic body 8 of rear side installation portion 3c, the through hole of lower wall 14c.The bottom of rear side suspension shaft 20 is installed on lower wall 14c, and the upper end of rear side suspension shaft 20 is given prominence to upward from upper side wall 14b.On rear side of this, the upper end of suspension shaft 20 is arranged on the lower surface of the rear portion 2b of side vehicle frame 2.In addition, that link forward suspension body 12 with mounting center 12d that the is medial end 13a of suspension arm 13 be positioned at forward suspension body 12 vehicle-width direction opposition side rear side suspension body 14 on the line segment L1 of center 20a of rear side suspension shaft 20 overlook time be the inside being positioned at central union body 9, front side arm 10 and posterolateral arm 11.
The rearward end 15a strengthening fixing body 15 is arranged on the lower surface of the rear portion 2b of side vehicle frame 2.Be using orthogonal with above-mentioned line segment L1 and by the cross line L2 of the center 20a of rear side suspension shaft 20 as benchmark during the overlooking with the mounting center 15b of side vehicle frame 2 of this reinforcement fixing body 15, be configured in that be positioned on above-mentioned line segment L1, forward suspension body 12 with opposition side that the is mounting center 12d of the medial end 13a of suspension arm 13.
The outside brace 16 and inner side brace 17 of hanging vehicle frame 4 are described further.Outside brace 16 is formed as bending with moving closer to the centre of vehicle-width direction when front side suspension body 12 is extended down to rear side suspension body 14.The leading section of outside brace 16 is installed on forward suspension body 12, and the rearward end of outside brace 16 is installed on rear side suspension body 14.Inner side brace 17 is formed in the mode extended in front-rear direction.The leading section of inner side brace 17 is installed on front side arm 10, and the rearward end of inner side brace 17 is installed on posterolateral arm 11.
At this, the details of longeron 6 and extension 7 is described down.The medial end 7a of the vehicle-width direction center side of extension 7 is installed on the pars intermedia 2c of side vehicle frame 2.Outboard end 7b outside the vehicle-width direction of extension 7 is installed on the medial surface of the vehicle-width direction center side of lower longeron 6.The installation portion of the installation portion of such side vehicle frame 2 and extension 7 and lower longeron 6 and extension 7 configures along the circular shape of posterolateral arm 11.
The effect of embodiment of the present invention is described.Adopt present embodiment, roughly equal height is positioned at owing to hanging the central union body 9 of vehicle frame 4, forward suspension body 12 and rear side suspension body 14, therefore, whole suspension vehicle frame 4 can be utilized to bear load and the vibration of vehicle-width direction efficiently, the load of car body relative to vehicle-width direction and the rigidity of vibration can be improved.In addition, because front side arm 10 and the upper surface of posterolateral arm 11 and the track of lower surface and vehicle configure abreast, therefore, whole suspension vehicle frame 4 can be utilized to bear load and the vibration of vehicle-width direction further efficiently, the load of car body relative to vehicle-width direction and the rigidity of vibration can be improved further.In addition, at the rear side suspension shaft 20 of rear side suspension body 14 through under the state of the through hole 3c1 of underarm 3, by the upper end of rear side suspension shaft 20 is installed on side vehicle frame 2, make to dispersible side vehicle frame 2 and underarm 3 to hanging the load of vehicle-width direction that vehicle frame 4 applies and vibration and born efficiently, the load of car body relative to vehicle-width direction and the rigidity of vibration can be improved.As a result, the riding stability of vehicle can be improved and the vibration in reduction compartment and noise.
Adopt present embodiment, when link forward suspension body 12 with line segment L1 with the mounting center 12d of the medial end 13a of suspension arm 13 be positioned at this forward suspension body 12 vehicle-width direction opposition side rear side suspension body 14 on the center 20a of rear side suspension shaft 20, strengthen fixing body 15 with the mounting center 15b of side vehicle frame 2 using orthogonal with line segment L1 and by the cross line L2 of the center 20a of rear side suspension shaft 20 as benchmark, that be configured in forward suspension body 12 with opposition side that the is mounting center 12d of the medial end 13a of suspension arm 13.At this, on rear side of as described above, the rear side suspension shaft 20 of suspension body 14 is through under the state of the through hole 3c1 of underarm 3, by the upper end of rear side suspension shaft 20 is installed on side vehicle frame 2, between side vehicle frame 2 and rear side suspension body 14, produces difference of height.Therefore, utilizing load and the vibration of the vehicle-width direction transmitted along above-mentioned line segment, applying by by its upper end and the moment rotated centered by the axis parallel with above-mentioned cross line L2 to hanging the rear side suspension shaft 20 of vehicle frame 4.Such moment is reinforced sustaining with the mounting center 15b of side vehicle frame 2 of fixing body 15.Therefore, the load and vibration hanging the vehicle-width direction that vehicle frame 4 applies is born efficiently, the load of car body relative to vehicle-width direction and the rigidity of vibration can be improved.
Adopt present embodiment, that link forward suspension body 12 is the inside being positioned at central union body 9, front side arm 10 and posterolateral arm 11 when overlooking with the line segment L1 of center 20a of rear side suspension shaft 20 of rear side suspension body 14 of the vehicle-width direction opposition side being positioned at forward suspension body 12 with mounting center 12d that the is medial end 13a of suspension arm 13, therefore, whole suspension vehicle frame 4 can be utilized to bear load and the vibration of vehicle-width direction efficiently, the load of car body relative to vehicle-width direction and the rigidity of vibration can be improved.
Adopt present embodiment, front side arm 10 is formed as rearward giving prominence to deviously at the middle body of the vehicle-width direction of vehicle, posterolateral arm 11 is formed as forwards giving prominence to deviously at the middle body of the vehicle-width direction of vehicle, therefore, forward suspension body 12 and rear side suspension body 14 are in the longitudinal direction in configuring discretely.Therefore, load and the vibration dispersion of the load of fore-and-aft direction and vibration and vehicle-width direction are sustained efficiently to forward suspension body 12 and rear side suspension body 14, can improve car body relative to the load of fore-and-aft direction and vibration and relative to the load of vehicle-width direction and the rigidity of vibration.
The other effect of embodiment of the present invention is described.Adopt present embodiment, the outside brace 16 that connects forward suspension body 12 and rear side suspension body 14 can be utilized by the load of fore-and-aft direction and vibration dispersion to whole suspension vehicle frame 4.Particularly owing to being delivered to the load of the fore-and-aft direction of forward suspension body 12 from underarm 3 and vibrating the mounting nuts 18 of the front surface being delivered to the front bulkhead 16a being arranged on outside brace 16 via installed in front axle 19, therefore, it is possible to load and vibration are distributed to rear side suspension body 14 from mounting nuts 18 via outside brace 16.Therefore, load and the vibration of fore-and-aft direction are born efficiently, can improve the load of car body relative to fore-and-aft direction and the rigidity of vibration.As a result, the riding stability of vehicle can be improved and the vibration in reduction compartment and noise.
Adopt present embodiment, because outside brace 16 is formed as bending with moving closer to the middle body of vehicle-width direction when front side suspension body 12 is extended down to rear side suspension body 14, the rearward end of therefore outside brace 16 is separated with compartment of terrain relative to rear side suspension shaft 20 to vehicle-width direction center side and is installed on rear side suspension body 14.At this, when being applied with load and the vibration of fore-and-aft direction from the axletree installation portion 3a of wheel to underarm 3, by by underarm 3 with the installation portion of forward suspension body 12 and the moment loading rotated centered by the axis vertically extended in underarm 3.Therefore, such moment except hang vehicle frame 4 rear side suspension shaft 20 except, sustaining with the installation portion of the rearward end of outside brace 16 also by rear side suspension body 14.Therefore, born efficiently with vibration from the load of the vehicle fore-and-aft direction of underarm 3 applying, the load of car body relative to vehicle fore-and-aft direction and the rigidity of vibration can be improved.
Adopt present embodiment, the medial end 13a of suspension arm 13 is configured between the installed in front portion 3b of the underarm 3 and front bulkhead 16a of outside brace 16, mounting nuts 18 is through the through hole 13a1 of medial end 13a, therefore, mounting nuts 18 is reliably kept by the medial end 13a of the suspension arm 13 supported by side vehicle frame 2.Therefore, it is possible to improve the installation rigidity of mounting nuts 18, thus the installation rigidity of underarm 3 and forward suspension body 12 can be improved.Therefore, it is possible to improve the rigidity of car body.
The other effect of embodiment of the present invention is described.Adopt present embodiment, the torsion bar 5 be positioned at for linking driver train and central union body 9 is the circular shape given prominence to for summit with central union body 9 when the posterolateral arm 11 of the opposition side of fore-and-aft direction is formed as overlooking.Therefore, when the load of fore-and-aft direction puts on car body with vibration, such load and vibration to be delivered to via torsion bar 5 from drive mechanism for vehicle and to hang the central union body 9 of vehicle frame 4, are born by central union body 9 and the posterolateral arm 11 that is formed as circular shape in order to have high stiffness.Further, such load and vibration are delivered to the higher side vehicle frame 2 of rigidity from posterolateral arm 11 and are disperseed.Therefore, it is possible to bear load and the vibration of vehicle fore-and-aft direction efficiently, thus the load of car body relative to vehicle fore-and-aft direction and the rigidity of vibration can be improved.
Adopt present embodiment, because side vehicle frame 2 and the installation portion of extension 7 and the installation portion of lower longeron 6 and extension 7 configure along circular shape, therefore, when the load of fore-and-aft direction puts on car body with vibration, as mentioned above, the load being delivered to the higher side vehicle frame 2 of rigidity from posterolateral arm 11 is delivered to lower longeron 6 with vibration via extension 7 and is disperseed.Therefore, it is possible to bear load and the vibration of fore-and-aft direction efficiently, thus the load of car body relative to fore-and-aft direction and the rigidity of vibration can be improved.
Adopt present embodiment, front side arm 10 and posterolateral arm 11 are made with tubular material, front side arm 10 and posterolateral arm 11 configure along the longitudinal direction overlappingly at the sidepiece of the vehicle-width direction of central union body 9, therefore, it is possible to improve the rigidity of central union body 9 periphery hanging vehicle frame 4.Therefore, be delivered to the load of the central union body 9 of suspension vehicle frame 4 from drive mechanism for vehicle via torsion bar 5 and vibrate the posterolateral arm 11 being easy to be delivered to circular shape.Therefore, it is possible to bear load and the vibration of vehicle fore-and-aft direction efficiently, thus the load of car body relative to vehicle fore-and-aft direction and the rigidity of vibration can be improved.
Adopt present embodiment, axis 5a due to torsion bar 5 is roughly orthogonal with the tangent line of the circular shape extended in the same position of vehicle-width direction with the installation portion of torsion bar 5 at central union body 9, therefore, be delivered to the load of the central union body 9 of suspension vehicle frame 4 from drive mechanism for vehicle via torsion bar 5 and vibrate the posterolateral arm 11 being easy to be dispersed to circular shape.Therefore, it is possible to bear load and the vibration of fore-and-aft direction efficiently, thus the load of car body relative to vehicle fore-and-aft direction and the rigidity of vibration can be improved.
Adopt present embodiment, the center configuration of the above-below direction of front side arm 10 and posterolateral arm 11 is in same plane, torsion bar 5 is configured to almost parallel with this plane or strides across this plane, therefore, be delivered to the load of torsion bar 5 from drive mechanism for vehicle and vibrate the central union body 9 being easy to be delivered to suspension vehicle frame 4, further, be delivered to the load of the central union body 9 hanging vehicle frame 4 from torsion bar 5 and vibrate the posterolateral arm 11 being easy to be delivered to circular shape.Therefore, it is possible to bear load and the vibration of vehicle fore-and-aft direction efficiently, thus the load of car body relative to vehicle fore-and-aft direction and the rigidity of vibration can be improved.
To herein illustrating embodiments of the present invention, but the present invention is not limited to already described embodiment, can carry out various distortion and change based on technological thought of the present invention.
Such as, as the 1st variation of present embodiment, the structure of present embodiment also may be used for the Vehicular body front that front engine rear wheel drives the vehicle of (FR) mode.The effect same with present embodiment can be obtained.
As the 2nd variation of present embodiment, the structure of present embodiment also may be used for the rear vehicle of the vehicle of midship engine back-wheel drive (MR) mode.The effect same with present embodiment can be obtained.
As the 3rd variation of present embodiment, the structure of present embodiment also may be used for the rear vehicle of the vehicle of rear-mounted engine back-wheel drive (RR) mode.In this case, hang the front that vehicle frame is configured in driver train, be positioned at and form in the same manner as the posterolateral arm 11 of present embodiment with the front side arm of torsion bar in the opposition side of fore-and-aft direction.In such structure, also can obtain the effect same with present embodiment.
description of reference numerals
1, Vehicular body front; 2, side vehicle frame; 4, vehicle frame is hung; 5, torsion bar; 5a, axis; 6, lower longeron; 7, lower stringer (extension); 9, central union body; 10, front side arm; 11, posterolateral arm; L1, line segment; L2, cross line.
Claims (5)
1. hang a peripheral construction for vehicle frame, comprising:
One offside vehicle frame, it is configured in the vehicle-width direction both sides of drive mechanism for vehicle;
Hang vehicle frame, it is connected between an above-mentioned offside vehicle frame, and is configured in relative to above-mentioned driver train on vehicle fore-and-aft direction by certain interval; With
Torsion bar, it is formed as elongated shape, for linking above-mentioned driver train and above-mentioned suspension vehicle frame, and along the configuration of vehicle fore-and-aft direction,
The posterolateral arm that above-mentioned suspension vehicle frame comprises the central union body of the vehicle-width direction central authorities being positioned at vehicle, the front side arm extended outside vehicle-width direction from the vehicle-width direction both ends of above-mentioned central union body and extends outside vehicle-width direction from the vehicle-width direction both ends of above-mentioned central union body at the rear of above-mentioned front side arm;
Above-mentioned front side arm and above-mentioned posterolateral arm are configured to be installed on the vehicle frame of above-mentioned side,
It is characterized in that,
One end of above-mentioned torsion bar is installed on the central union body of above-mentioned suspension vehicle frame;
Be positioned at when the above-mentioned front side arm of above-mentioned torsion bar in the opposition side of vehicle fore-and-aft direction or above-mentioned posterolateral arm are formed as overlooking is for the outstanding circular shape in summit with above-mentioned central union body.
2. the peripheral construction of suspension vehicle frame according to claim 1, is characterized in that,
The peripheral construction of this suspension vehicle frame also comprise be configured in above-mentioned side vehicle frame vehicle-width direction outside lower longeron; With
For linking the lower stringer of above-mentioned side vehicle frame and above-mentioned lower longeron,
The installation portion of above-mentioned side vehicle frame and above-mentioned lower stringer and the installation portion of above-mentioned lower stringer and above-mentioned lower longeron configure along above-mentioned circular shape.
3. the peripheral construction of suspension vehicle frame according to claim 1 and 2, is characterized in that,
Above-mentioned front side arm and above-mentioned posterolateral arm tubular material are made;
Above-mentioned front side arm and above-mentioned posterolateral arm configure along vehicle fore-and-aft direction overlappingly at the sidepiece of the vehicle-width direction of above-mentioned central union body.
4. the peripheral construction of suspension vehicle frame according to claim 1 and 2, is characterized in that,
The axis direction of above-mentioned torsion bar is with roughly orthogonal with the tangent line of the above-mentioned circular shape of the installation portion of above-mentioned torsion bar by above-mentioned central union body.
5. the peripheral construction of suspension vehicle frame according to claim 1 and 2, is characterized in that,
The center configuration of the above-below direction of above-mentioned front side arm and above-mentioned posterolateral arm is in same plane;
Above-mentioned torsion bar is configured to almost parallel with above-mentioned plane or strides across above-mentioned plane.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2011260846A JP5867027B2 (en) | 2011-11-29 | 2011-11-29 | Suspension frame peripheral structure |
| JP2011-260846 | 2011-11-29 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103129617A CN103129617A (en) | 2013-06-05 |
| CN103129617B true CN103129617B (en) | 2015-04-22 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201210500005.1A Expired - Fee Related CN103129617B (en) | 2011-11-29 | 2012-11-29 | Surrounding structure for suspension frame of vehicle |
Country Status (3)
| Country | Link |
|---|---|
| JP (1) | JP5867027B2 (en) |
| CN (1) | CN103129617B (en) |
| DE (1) | DE102012111032A1 (en) |
Families Citing this family (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP5870867B2 (en) * | 2012-07-17 | 2016-03-01 | トヨタ自動車株式会社 | Suspension member and vehicle front structure including the same |
| WO2015005044A1 (en) * | 2013-07-11 | 2015-01-15 | 株式会社エフテック | Subframe for vehicle |
| FR3018762B1 (en) * | 2014-03-18 | 2017-12-01 | Renault Sas | REAR STRUCTURE OF MOTOR VEHICLE |
| JP6344118B2 (en) * | 2014-07-28 | 2018-06-20 | スズキ株式会社 | Suspension frame structure |
| JP6137144B2 (en) * | 2014-11-27 | 2017-05-31 | トヨタ自動車株式会社 | Suspension member |
| EP3208180B1 (en) * | 2016-02-18 | 2018-07-11 | C.R.F. Società Consortile per Azioni | Auxiliary frame for supporting a front suspension of a motor-vehicle |
| DE102018207486A1 (en) * | 2017-05-29 | 2019-01-24 | Suzuki Motor Corporation | Structure for mounting a drive train |
| JP6922625B2 (en) * | 2017-09-29 | 2021-08-18 | スズキ株式会社 | Support structure of shift device |
| DE102018207489A1 (en) * | 2017-05-29 | 2018-11-29 | Suzuki Motor Corporation | STRUCTURE FOR SUPPORTING A SWITCH MECHANISM |
| JP6988341B2 (en) * | 2017-09-29 | 2022-01-05 | スズキ株式会社 | Power unit mount structure |
| JP6953968B2 (en) * | 2017-09-29 | 2021-10-27 | スズキ株式会社 | Support structure of shift device |
| JP6951681B2 (en) * | 2017-09-11 | 2021-10-20 | スズキ株式会社 | Body structure of electric vehicle |
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| EP1362767A2 (en) * | 2002-05-14 | 2003-11-19 | Dr.Ing. h.c.F. Porsche Aktiengesellschaft | Motor vehicle front suspension sub-frame |
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| JP3403969B2 (en) * | 1999-04-02 | 2003-05-06 | ダイハツ工業株式会社 | Vehicle engine mounting structure |
| JP3407721B2 (en) | 1999-10-28 | 2003-05-19 | トヨタ自動車株式会社 | Front suspension member |
| US6409216B2 (en) * | 2000-03-17 | 2002-06-25 | Suzuki Motor Corporation | Suspension frame construction |
| JP3931962B2 (en) * | 2001-12-25 | 2007-06-20 | いすゞ自動車株式会社 | Suspension support structure |
| JP2008238850A (en) * | 2007-03-26 | 2008-10-09 | Daihatsu Motor Co Ltd | Suspension member of automobile |
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- 2011-11-29 JP JP2011260846A patent/JP5867027B2/en active Active
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- 2012-11-16 DE DE201210111032 patent/DE102012111032A1/en active Pending
- 2012-11-29 CN CN201210500005.1A patent/CN103129617B/en not_active Expired - Fee Related
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| EP1362767A2 (en) * | 2002-05-14 | 2003-11-19 | Dr.Ing. h.c.F. Porsche Aktiengesellschaft | Motor vehicle front suspension sub-frame |
| CN1732105A (en) * | 2002-12-26 | 2006-02-08 | 丰田自动车株式会社 | The front-body structure of vehicle |
| CN101544170A (en) * | 2008-03-26 | 2009-09-30 | 马自达汽车株式会社 | Suspension subframe structure of vehicle |
| CN101722808A (en) * | 2008-10-24 | 2010-06-09 | 现代自动车株式会社 | Sub-frame mount for suspension |
Also Published As
| Publication number | Publication date |
|---|---|
| JP2013112213A (en) | 2013-06-10 |
| JP5867027B2 (en) | 2016-02-24 |
| DE102012111032A1 (en) | 2013-05-29 |
| CN103129617A (en) | 2013-06-05 |
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