CN104015803A - Suspension frame construction - Google Patents
Suspension frame construction Download PDFInfo
- Publication number
- CN104015803A CN104015803A CN201410050911.5A CN201410050911A CN104015803A CN 104015803 A CN104015803 A CN 104015803A CN 201410050911 A CN201410050911 A CN 201410050911A CN 104015803 A CN104015803 A CN 104015803A
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- China
- Prior art keywords
- vehicle
- mentioned
- longeron
- vehicle frame
- width direction
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Classifications
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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
- B62D21/15—Understructures, i.e. chassis frame on which a vehicle body may be mounted having impact absorbing means, e.g. a frame designed to permanently or temporarily change shape or dimension upon impact with another body
- B62D21/152—Front or rear frames
- B62D21/155—Sub-frames or underguards
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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
Abstract
The invention provides a suspension frame construction which can absorb load which is applied on the front part of a vehicle body and from the front of a vehicle through deformation of the front end side of floor, and load is transmitted and dispersed to the rear part of the vehicle in good efficiency, so as to reduce deformation of the floor. The construction comprises a pair of a left longitudinal beam and a right longitudinal beam which have an interval on a vehicle width direction, and a suspension frame which connects the longitudinal beams. The suspension frame is provided with a rear side installation portion and a front side installation portion of an installation portion of the vehicle side, used to install the suspension frame on the longitudinal beams. The rear side arm of the suspension frame is in a curved shape that the central portion on the vehicle width direction bulges towards the front of the vehicle. The vehicle rear side of the suspension frame is configured with a pair of a left inner side connection plate and a right inner side connection plate, which are disposed on two sides of the central channel portion of vehicle floor and extend diagonally towards the front part. The longitudinal beams and the outer side ends of the inner side connection plates on the vehicle width direction are connected together on the periphery of the rear installation portions which are on the lefe end and the right end of the suspension frame and are used to install the suspension frame on the longitudinal beams.
Description
Technical field
The present invention relates to a kind of structure that is configured in the suspension vehicle frame between the pair of right and left longeron extending along vehicle fore-and-aft direction.
Background technology
In the past, in the vehicles such as four-wheel automobile, the parts as forming body framwork left compartment of terrain and disposed pair of right and left longeron on vehicle-width direction, and this longeron comprises front side member, coaming plate longeron and the longitudinal floor beam extending along vehicle fore-and-aft direction.At the surrounding position of this pair of right and left longeron, be provided with the underarm that forms hitch, when Vehicle Driving Cycle, from load and the vibration of front tyre etc., via this underarm, be input to vehicle body.
As above-mentioned such load and vibration, the load when can enumerate in car brakeing and accelerating on vehicle fore-and-aft direction and vibration, the load on Ackermann steer angle vehicle-width direction and vibration, by the load on the concavo-convex vehicle above-below direction causing on road surface and vibration, the load of the synthetic ingredient of these load and vibration and vibration etc. above.In addition, also have external load and from vehicle fore-and-aft direction or vehicle-width direction, directly put on the situation of vehicle body.Above-mentioned such load and vibration likely become reduces the riding stability of vehicle, and in compartment, produces the major cause of vibration and noise.
Therefore, for corresponding these problems, at suspension between pair of right and left longeron and between underarm, there is suspension vehicle frame, can utilize this suspensions vehicle frame to bear above-mentioned load and vibration, and the rigidity of raising vehicle body.
An example as the structure of this suspension vehicle frame, provides patent documentation 1.In this patent documentation 1, below pair of right and left front side member, dispose the supporting member extending along vehicle fore-and-aft direction, be located at respectively the leading section of supporting member and the underarm installation portion place of rearward end is provided with suspension underarm.And suspension has the suspension vehicle frame extending with linearity along vehicle-width direction between a pair of supporting member, hang the pars intermedia on the vehicle fore-and-aft direction that both ends on the vehicle-width direction of vehicle frame are installed on supporting member.In addition, between the underarm installation portion of vehicle front side of supporting member and the suspension vehicle frame installation portion of supporting member, along vehicle above-below direction, be provided with front side vehicle body installation portion, and be provided with underarm installation portion from the rear view of vehicle side of supporting member outstanding rear side vehicle body installation portion outside vehicle-width direction, this supporting member utilizes front side vehicle body installation portion and rear side vehicle body installation portion to be installed on front side member.
Patent documentation 1: TOHKEMY 2001-191945 communique
Yet, in the structure of above-mentioned suspension vehicle frame in the past, there are the following problems: owing to hanging vehicle frame, along vehicle-width direction, with linearity, extend, therefore, be difficult to utilize suspension vehicle frame to block load and the vibration on vehicle fore-and-aft direction, and cannot utilize suspension vehicle frame to improve efficiently vehicle body with respect to the rigidity of the load on vehicle fore-and-aft direction and vibration.
In the structure of this suspension vehicle frame in the past, when when vehicle front applies larger load to body forward structure, Bumper element, front side member etc. can deform and gradually this load be absorbed.Now, the member in the engine rooms such as change-speed box can move to rear view of vehicle, connects gradually with front coaming plate etc.In addition, because the torque rod of the swing when suppressing the running of driving engine, change-speed box is installed on suspension vehicle frame, therefore, also can be to hanging near the applied load central portion of vehicle frame.In addition, when body forward structure is out of shape because of this load, front tyre also can move to rear view of vehicle, and also can be from tire, underarm to the both ends applied load on the vehicle-width direction of suspension vehicle frame.Have and put on these load that hang vehicle frame and make to hang the vehicle frame vehicle body of panel area (longitudinal floor beam, floor bottoms) interferingly, and cause the problem of body distortion.And, there is following requirement: although want to make body forward structure to deform to absorb this load, want floor not deform and the space of guaranteeing occupant.
Summary of the invention
The present invention makes in view of such actual conditions, its object is to provide a kind of structure that hangs vehicle frame, the structure of this suspension vehicle frame can utilize the distortion of floor leading section side to absorb to put on the load from vehicle front etc. of body forward structure, and can make this load to weight ratio to rear view of vehicle etc., transmit and disperse well, thereby can reduce the distortion on floor.
The problem having for solving above-mentioned conventional art, the present invention is a kind of structure that hangs vehicle frame, it comprises: pair of right and left longeron, and it is set to leave interval on vehicle-width direction, and this longeron comprises front side member, coaming plate longeron and the longitudinal floor beam extending along vehicle fore-and-aft direction, hang vehicle frame, it,, as by the member linking up between above-mentioned pair of right and left longeron, is configured to be separated with interval with the driver train of vehicle on vehicle fore-and-aft direction, and torque rod, it configures along vehicle fore-and-aft direction, by a central portion end of this torque rod being installed on the vehicle-width direction of above-mentioned suspension vehicle frame, above-mentioned driver train and above-mentioned suspension vehicle frame are linked up, at above-mentioned suspension vehicle frame, be provided with rear side installation portion and the installed in front portion as the installation portion of body side, for above-mentioned suspension vehicle frame is installed to above-mentioned longeron, at this, hang in the structure of vehicle frame, above-mentioned suspension vehicle frame forms central portion on its vehicle-width direction towards the outstanding curved shape of vehicle front, in the rear view of vehicle side of above-mentioned suspension vehicle frame, dispose left and right sides side connecting plate in the pair of right and left of oblique the place ahead extension of the centre gangway portion of the central portion on the vehicle-width direction of being located at body platform, outboard end on the vehicle-width direction of above-mentioned interior side connecting plate and above-mentioned longeron are being positioned at the linking together for being installed to the surrounding of the rear side installation portion of above-mentioned longeron of both ends, left and right of above-mentioned suspension vehicle frame.
In addition, in the present invention, vehicle-width direction outside at above-mentioned longeron disposes the lower-edge beam extending along vehicle fore-and-aft direction, above-mentioned longeron and above-mentioned lower-edge beam link up by outer side connecting plate, outboard end on the vehicle-width direction of this outer side connecting plate is configured to the oblique rear towards vehicle outside, medial end on the vehicle-width direction of above-mentioned outer side connecting plate be positioned at above-mentioned suspension vehicle frame both ends, left and right for being installed to the surrounding of the rear side installation portion of above-mentioned longeron, be linked to above-mentioned longeron, above-mentioned interior side connecting plate and above-mentioned outside connecting plate matched are set to and are the oblique chevron shape of mutual inclination towards the opposite.
In addition, in the present invention, above-mentioned coaming plate longeron is configured to make it to tilt, and the leading section that its direction of tilt makes this coaming plate longeron is the position near vehicle outside or vehicle interior side with respect to the axis of vehicle fore-and-aft direction.
In addition, the present invention is a kind of structure that hangs vehicle frame, and it comprises: pair of right and left longeron, and it is set to leave interval on vehicle-width direction, and this longeron comprises front side member, coaming plate longeron and the longitudinal floor beam extending along vehicle fore-and-aft direction, hang vehicle frame, it,, as by the member linking up between above-mentioned pair of right and left longeron, is configured to be separated with interval with the driver train of vehicle on vehicle fore-and-aft direction, and torque rod, it configures along vehicle fore-and-aft direction, by a central portion end of this torque rod being installed on the vehicle-width direction of above-mentioned suspension vehicle frame, above-mentioned driver train and above-mentioned suspension vehicle frame are linked up, at above-mentioned suspension vehicle frame, be provided with rear side installation portion and the installed in front portion as the installation portion of body side, for above-mentioned suspension vehicle frame is installed to above-mentioned longeron, at this, hang in the structure of vehicle frame, above-mentioned suspension vehicle frame has: posterolateral arm, it forms centered by the central portion on the vehicle-width direction of the end that above-mentioned torque rod is installed of this suspension vehicle frame towards the outstanding curved shape of vehicle front, and front side arm, it forms centered by the central portion on the vehicle-width direction of the end that above-mentioned torque rod is installed of this suspension vehicle frame of the place ahead at above-mentioned posterolateral arm towards the outstanding curved shape of rear view of vehicle, above-mentioned posterolateral arm and above-mentioned front side arm are by being located at the framework connecting panel (Japanese: Off レ ー system ガ セ ッ ト) link up of the left and right sides on the vehicle-width direction of above-mentioned suspension vehicle frame, said frame connecting plate matched is set to and makes its inclination, its direction of tilt position near vehicle outside or vehicle interior side that is the leading section that makes this framework connecting panel with respect to the axis of vehicle fore-and-aft direction.
And, in the present invention, said frame connecting plate matched is set to and makes its inclination, its direction of tilt position near vehicle outside that is the leading section that makes this framework connecting panel with respect to the axis of vehicle fore-and-aft direction, it is identical with the direction of tilt of said frame connecting panel that above-mentioned coaming plate longeron is configured to its direction of tilt.
In addition, in the present invention, said frame connecting plate matched is set to and makes its inclination, its direction of tilt is identical with the normal direction at the connecting part place of above-mentioned posterolateral arm between said frame connecting panel and above-mentioned posterolateral arm, or being configured to make it to tilt, its direction of tilt is to make the normal direction at leading section connecting part place between said frame connecting panel and above-mentioned posterolateral arm with respect to above-mentioned posterolateral arm of this framework connecting panel near the position of vehicle outside.
In addition, in the present invention, above-mentioned coaming plate longeron is the parts that are independent of vehicle body, be positioned at above-mentioned suspension vehicle frame both ends, left and right for be installed to the installation portion place of above-mentioned longeron be configured to be positioned at the above-mentioned front side member in the place ahead and be positioned at the above-mentioned longitudinal floor beam at rear overlapping.
And in the present invention, above-mentioned longitudinal floor beam forms towards rear view of vehicle and to the shape of vehicle outside expansion.
As mentioned above, the structure of suspension vehicle frame of the present invention comprises: pair of right and left longeron, and it is set to leave interval on vehicle-width direction, and this longeron comprises front side member, coaming plate longeron and the longitudinal floor beam extending along vehicle fore-and-aft direction, hang vehicle frame, it,, as by the member linking up between above-mentioned pair of right and left longeron, is configured to be separated with interval with the driver train of vehicle on vehicle fore-and-aft direction, and torque rod, it configures along vehicle fore-and-aft direction, by an end of this torque rod being installed on to central portion on the vehicle-width direction of above-mentioned suspension vehicle frame by above-mentioned driver train and above-mentioned suspension vehicle frame, at above-mentioned suspension vehicle frame, be provided with rear side installation portion and the installed in front portion as the installation portion of body side, for above-mentioned suspension vehicle frame is installed to above-mentioned longeron, above-mentioned suspension vehicle frame forms central portion on its vehicle-width direction towards the outstanding curved shape of vehicle front, in the rear view of vehicle side of above-mentioned suspension vehicle frame, dispose left and right sides side connecting plate in the pair of right and left of oblique the place ahead extension of the centre gangway portion of the central portion on the vehicle-width direction of being located at body platform, outboard end on the vehicle-width direction of above-mentioned interior side connecting plate and above-mentioned longeron are being positioned at the linking together for being installed to the surrounding of the rear side installation portion of above-mentioned longeron of both ends, left and right of above-mentioned suspension vehicle frame.
Thereby, adopt structure of the present invention, from the driver train (driving engine, change-speed box etc.) of vehicle front put on the load of the central portion that hangs vehicle frame, the load applying to rear view of vehicle from front side member, the load etc. that puts on the both ends, left and right that hang vehicle frame from front tyre via underarm concentrates on for being installed to the rear side installation portion of longeron via hanging vehicle frame, therefore, can be by the load to weight ratio putting together well to rear view of vehicle transmission and make its dispersion.And, due to side connecting plate in existing, be not only longitudinal floor beam, the floor leading section in the region between interior side connecting plate and centre gangway portion also deforms and absorbs this load, can make load disperse to centre gangway portion rear, therefore, can reduce reliably the distortion of ground slab integral.And, when load is when hanging the central portion of vehicle frame, the part of curved shape deforms, move to vehicle outside at both ends, left and right, and not only to rear view of vehicle transmitted load, can also be converted to the load to vehicle outside, therefore, cause that the region between interior side connecting plate and centre gangway portion expands such distortion, thereby can produce target distortion.
In addition, in the present invention, vehicle-width direction outside at above-mentioned longeron disposes the lower-edge beam extending along vehicle fore-and-aft direction, above-mentioned longeron and above-mentioned lower-edge beam link up by outer side connecting plate, outboard end on the vehicle-width direction of this outer side connecting plate is configured to the oblique rear towards vehicle outside, medial end on the vehicle-width direction of above-mentioned outer side connecting plate be positioned at above-mentioned suspension vehicle frame both ends, left and right for being installed to the surrounding of the rear side installation portion of above-mentioned longeron, be linked to above-mentioned longeron, above-mentioned interior side connecting plate and above-mentioned outside connecting plate matched are set to and are the oblique chevron shape of mutual inclination towards the opposite, therefore, can use the whole width segments on floor to carry out above-mentioned load absorption and load distribution.And, can also to lower-edge beam, carry out load distribution by outer side connecting plate, thereby can further reduce the distortion on floor.
In addition, in the present invention, above-mentioned coaming plate longeron is configured to make its inclination, its direction of tilt position near vehicle outside or vehicle interior side that is the leading section that makes this coaming plate longeron with respect to the axis of vehicle fore-and-aft direction, therefore, be positioned at hang vehicle frame both ends, left and right for the rear side installation portion that is installed to longeron, as the joint collection chalaza of rigid member, become the starting point of rigidity, can be by utilizing load from vehicle front by the partially folded load that absorbs of coaming plate longeron.Now, be disposed at the interior side connecting plate of ground prelaminar part and the folding and distortion interlock of outer side connecting plate, therefore, when vehicle front is applied with load, can cause reliably target distortion.
In addition, the structure of suspension vehicle frame of the present invention comprises: pair of right and left longeron, and it is set to leave interval on vehicle-width direction, and this longeron comprises front side member, coaming plate longeron and the longitudinal floor beam extending along vehicle fore-and-aft direction, hang vehicle frame, it,, as by the member linking up between above-mentioned pair of right and left longeron, is configured to be separated with interval with the driver train of vehicle on vehicle fore-and-aft direction, and torque rod, it configures along vehicle fore-and-aft direction, by a central portion end of this torque rod being installed on the vehicle-width direction of above-mentioned suspension vehicle frame, above-mentioned driver train and above-mentioned suspension vehicle frame are linked up, at above-mentioned suspension vehicle frame, be provided with rear side installation portion and the installed in front portion as the installation portion of body side, for above-mentioned suspension vehicle frame is installed to above-mentioned longeron, at this, hang in the structure of vehicle frame, above-mentioned suspension vehicle frame has: posterolateral arm, it forms centered by the central portion on the vehicle-width direction of the end that above-mentioned torque rod is installed of this suspension vehicle frame towards the outstanding curved shape of vehicle front, and front side arm, it forms centered by the central portion on the vehicle-width direction of the end that above-mentioned torque rod is installed of this suspension vehicle frame of the place ahead at above-mentioned posterolateral arm towards the outstanding curved shape of rear view of vehicle, above-mentioned posterolateral arm and above-mentioned front side arm link up by being located at the framework connecting panel of the left and right sides on the vehicle-width direction of above-mentioned suspension vehicle frame, said frame connecting plate matched is set to it is tilted, its direction of tilt position near vehicle outside or vehicle interior side that is the leading section that makes this framework connecting panel with respect to the axis of vehicle fore-and-aft direction.
Thereby, adopt structure of the present invention, when front tyre is applied with load via underarm to hanging the both ends, left and right of vehicle frame, can cause the folded deformation of posterolateral arm and front side arm, utilize the distortion of hanging vehicle frame to carry out load absorption, can reduce for being installed to the burden of the rear side installation portion of longeron.In addition, at front side arm, because above-mentioned load is when folded, the installed in front portion that is installed to longeron moves to vehicle outside towards oblique rear, therefore, front side member is out of shape towards vehicle outside, can cause the distortion of longeron, thereby can seek to improve load absorptive character.
And, in the present invention, said frame connecting plate matched is set to and makes its inclination, its direction of tilt position near vehicle outside that is the leading section that makes this framework connecting panel with respect to the axis of vehicle fore-and-aft direction, it is identical with the direction of tilt of said frame connecting panel that above-mentioned coaming plate longeron is configured to its direction of tilt, therefore, at the load from vehicle front when hanging the both ends, left and right of vehicle frame, framework connecting panel is folded and be used in the installed in front portion that is installed to longeron and move to vehicle outside towards oblique rear, interlock front side member is to the distortion of vehicle outside, can promote the distortion of longeron, thereby can improve load absorptive character.
In addition, in the present invention, said frame connecting plate matched is set to and makes its inclination, its direction of tilt is identical with the normal direction at the connecting part place of above-mentioned posterolateral arm between said frame connecting panel and above-mentioned posterolateral arm, or be configured to make its inclination, its direction of tilt is to make the normal direction at leading section connecting part place between said frame connecting panel and above-mentioned posterolateral arm with respect to above-mentioned posterolateral arm of this framework connecting panel near the position of vehicle outside, therefore, form framework connecting panel and in normal direction, supported such position relationship with respect to front side arm, can when vehicle operation, guarantee with respect to the vibration from front tyre, the rigidity of load, and, when body distortion because the folding of posterolateral arm makes framework connecting panel diminish with respect to the angle of inclination of normal direction, thereby can be swimmingly to bending distortion conversion.
In addition, in the present invention, above-mentioned coaming plate longeron is the parts that are independent of vehicle body, be positioned at above-mentioned suspension vehicle frame both ends, left and right for be installed to the installation portion place of above-mentioned longeron be configured to be positioned at the above-mentioned front side member in the place ahead and be positioned at the above-mentioned longitudinal floor beam at rear overlapping, therefore, can will set higher than the rigidity of the front side member in the place ahead and the longitudinal floor beam at rear for being installed to the installed in front portion of longeron and the rigidity of rear side installation portion, at the load from vehicle front when hanging the both ends, left and right of vehicle frame, coaming plate longeron keeps shape ground to topple over, can promote connecting panel, folding of the posterolateral arm of suspension vehicle frame and front side arm etc.And, the vibration in the time of can improving part between the suspension point of the front and back that hang vehicle frame with respect to vehicle operation, the rigidity of load, thus the riding stability of vehicle can be improved.
And, in the present invention, above-mentioned longitudinal floor beam forms towards rear view of vehicle and to the shape of vehicle outside expansion, therefore, at the load from vehicle front when hanging the both ends, left and right etc. of vehicle frame, what can promote to be realized by the inclination of interior side connecting plate, outer side connecting plate and framework connecting panel topples over, thereby can further improve load absorptive character.
Accompanying drawing explanation
Fig. 1 has the body forward structure of structure of suspension vehicle frame of embodiments of the present invention and the upward view that obtains from beneath application.
Fig. 2 is near the part body side installation portion of the suspension vehicle frame of beneath embodiments of the present invention and the upward view that obtains under the state of having removed underarm.
Fig. 3 is the upward view obtaining from the suspension vehicle frame of beneath embodiments of the present invention.
description of reference numerals
1, body forward structure; 2, front side member; 3, coaming plate longeron; 4, longitudinal floor beam; 5, longeron; 6, lower-edge beam; 7, underarm; 8, body platform; 9, centre gangway portion; 10, hang vehicle frame; 11, torque rod; 12, central union body; 13, posterolateral arm; 14, front side arm; 15, framework connecting panel; 16, rear side suspension body; 16a, for being installed to the rear side installation portion of longeron; 18, front side suspension body; 19, suspension arm; 19a, for being installed to the installed in front portion of longeron; 20, interior side connecting plate; 21, outer side connecting plate; The axis of C1, vehicle fore-and-aft direction; The normal direction of C2, posterolateral arm.
The specific embodiment
Below, according to graphic embodiment, explain the present invention.
Fig. 1～Fig. 3 means the figure of structure of the suspension vehicle frame of embodiments of the present invention.
As depicted in figs. 1 and 2, the vehicle of embodiments of the present invention is the automobile of four-wheel type, body forward structure 1 in the type, as the parts that form body framwork, on vehicle-width direction, leave compartment of terrain and dispose pair of right and left longeron 5, this longeron 5 comprises front side member 2, coaming plate longeron 3 and the longitudinal floor beam 4 extending along vehicle fore-and-aft direction.This front side member 2, coaming plate longeron 3 and longitudinal floor beam 4 configure to press said sequence in the gamut of rear view of vehicle side in vehicle front side, and coaming plate longeron 3 is disposed at preceding front side member 2 and between rear longitudinal floor beam 4.And, among pair of right and left longeron 5, in the vehicle-width direction outside of longitudinal floor beam 4, dispose the lower-edge beam 6 extending along vehicle fore-and-aft direction.
In addition, at body forward structure 1, be provided with the pair of right and left underarm 7 that forms hitch.These two underarms 7 are configured on vehicle fore-and-aft direction, stride across coaming plate longeron 3 below longeron 5, when Vehicle Driving Cycle, from load and the vibration of front tyre etc., via this underarm 7, are input to vehicle body.In addition, the body platform 8 of body forward structure 1 be provided with along vehicle fore-and-aft direction extend and in compartment the centre gangway portion 9 of side-prominent convex form, centre gangway portion 9 is disposed at the central portion on the vehicle-width direction of body platform 8.In addition, in Fig. 1 and Fig. 2, arrow Fr direction indication vehicle front.
On the other hand, as shown in figures 1 and 3, at body forward structure 1, the suspension vehicle frame 10 that links these two longerons 5 along vehicle-width direction be configured in pair of right and left longeron 5 between the part of vehicle front side.In addition, dispose the driver train (not shown) of vehicle in the vehicle front side that hangs vehicle frame 10, this driver train has driving engine, change-speed box etc., and the left and right sides on the vehicle-width direction of this driver train disposes the front side member 2 of longeron 5.Thereby, hang vehicle frame 10 and be configured on vehicle fore-and-aft direction and this driver train devices spaced apart.
In addition, at body forward structure 1, be provided with torque rod 11, this torque rod 11 configures along vehicle fore-and-aft direction.One end (rearward end) of torque rod 11 is installed on the central portion on the vehicle-width direction that hangs vehicle frame 10, utilizes torque rod 11 by driver train (not shown) and hang vehicle frame 10 to link up.
As shown in figures 1 and 3, be provided with the central union body 12 of the central portion being positioned on vehicle-width direction at the suspension vehicle frame 10 of present embodiment, an end of torque rod 11 is installed on this central authorities' union body 12.And, hang vehicle frame 10 and have: posterolateral arm 13, it is set to extend towards vehicle outside from the vehicle-width direction both ends of central union body 12; Front side arm 14, it is positioned at the vehicle front side of this posterolateral arm 13, be set to extend towards vehicle outside from the vehicle-width direction both ends of central union body 12, this posterolateral arm 13 and front side arm 14 are by being located at together with the framework connecting panel 15 of the left and right sides on the vehicle-width direction that hangs vehicle frame 10 interlinks.Therefore, framework connecting panel 15 arranges along vehicle fore-and-aft direction.
And, as shown in FIG. 1 to 3, at posterolateral arm 13, be provided with the rear side suspension body 16 extending towards vehicle outside from its vehicle-width direction both ends, central part in the lower wall of this rear side suspension body 16 is provided with for being installed to longitudinal floor beam 4(longeron 5) rear side installation portion 16a as for being installed on the installation portion of body side, at this rear side installation portion 16a place, the rear side suspension body 16 of posterolateral arm 13 is installed on the lower surface of longitudinal floor beam 4 and is suspended in the lower surface of longitudinal floor beam 4.And, in the rearward end of rear side suspension body 16, be provided with the reinforcement fixing body 17 extending towards rear view of vehicle.The rearward end 17a of this reinforcement fixing body 17 is installed on the lower surface of longitudinal floor beam 4.
In addition, the outboard end on the vehicle-width direction of front side arm 14 is provided with the front side suspension body 18 extending towards vehicle outside, is provided with the suspension arm 19 extending towards vehicle outside at this front side suspension body 18.Central part in the vehicle outside end of suspension arm 19 is provided with for being installed on coaming plate longeron 3(longeron 5) the 19a of installed in front portion as for being installed on the installation portion of body side, at this 19a of installed in front portion place, the front side suspension body 18 of front side arm 14 and suspension arm 19 are installed on the lower surface of coaming plate longeron 3 and are suspended in the lower surface of coaming plate longeron 3.
The posterolateral arm 13 of present embodiment is located at a side contrary with torque rod 11 on vehicle fore-and-aft direction, forms to be provided with centered by the central union body 12 of a central portion end, on vehicle-width direction of torque rod 11 towards the outstanding curved shape of vehicle front.On the other hand, front side arm 14 forms in the place ahead of posterolateral arm 13 centered by the central union body 12 of a central portion end, on vehicle-width direction that torque rod 11 is installed towards the outstanding curved shape of rear view of vehicle.That is, posterolateral arm 13 and front side arm 14 have overlooks mutual side-prominent circular shape towards the opposite under state, and is configured at the vehicle-width direction both ends of central union body 12 overlapping on vehicle fore-and-aft direction.
As shown in Figure 2, the framework connecting panel 15 of present embodiment is configured to make it to tilt, its direction of tilt position near vehicle outside (can be also vehicle interior side) that is the leading section 15a that makes this framework connecting panel 15 with respect to the axis C1 of vehicle fore-and-aft direction.In addition, the direction of tilt that the coaming plate longeron 3 that is located at the position that the vehicle outside of framework connecting panel 15 is adjacent with framework connecting panel 15 is configured to its direction of tilt and framework connecting panel 15 is identical.By adopting such configuration, when the load F from vehicle front acts on the both ends, left and right that hang vehicle frame 10, framework connecting panel 15 is folded and to be used in the 19a of installed in front portion that is installed on coaming plate longeron 3 mobile to vehicle outside (arrow directions X) towards oblique rear, interlock front side member 2 is to the distortion of vehicle outside, and the distortion of the longeron 5 that promotion comprises coaming plate longeron 3.
And, framework connecting panel 15 is configured to make its inclination, its direction of tilt is identical with the normal direction C2 at the connecting part place of posterolateral arm 13 between framework connecting panel 15 and posterolateral arm 13, or being configured to make it to tilt, its direction of tilt is to make the normal direction C2 at leading section 15a connecting part place between framework connecting panel 15 and posterolateral arm 13 with respect to posterolateral arm 13 of this framework connecting panel 15 near the position of vehicle outside.Thereby, form framework connecting panel 15 and on normal direction C2, supported such position relationship with respect to front side arm 14, can when vehicle operation, guarantee the rigidity with respect to the vibration from front tyre, load, and, when body distortion because the folding of posterolateral arm 13 makes framework connecting panel 15 diminish with respect to the angle of inclination of normal direction C2, thereby can be swimmingly to bending distortion conversion.
In addition, as shown in Figure 2, the coaming plate longeron 3 of present embodiment is the parts that are independent of vehicle body, be configured to its leading section and be positioned at both ends, left and right overlapping with the front side member 2 that is positioned at the place ahead for being installed to installed in front portion 19 places of longeron 5 that hangs vehicle frame 10, end is in place in both ends, left and right overlapping for being installed to the rear side installation portion 16a place of longeron 5 and being positioned at the longitudinal floor beam 4 at rear that hangs vehicle frame 10 thereafter.Therefore, with the end, front and back of coaming plate longeron 3 overlapping for being installed to the 19a of installed in front portion of longeron 5 and the rigidity of rear side installation portion 16a higher than the rigidity of the front side member 2 in the place ahead and the longitudinal floor beam at rear 4 self.Thereby, at the load from vehicle front when hanging the both ends, left and right of vehicle frame 10, coaming plate longeron 3 keeps its shape invariance ground directly to topple over, can promote to hang the folding of the posterolateral arm 13 of vehicle frame 10 and front side arm 14 etc., and the vibration can improve part between the suspension point of the front and back that hang vehicle frame 10 with respect to vehicle operation time, the rigidity of load.
In addition, longitudinal floor beam 4 forms towards rear view of vehicle and to the shape of vehicle outside expansion, under state, is set with Japanese alphabet Ha shape overlooking.When longitudinal floor beam 4 has set with Japanese alphabet Ha shape, at the load from vehicle front, when hanging the both ends, left and right etc. of vehicle frame 10, what can promote that inclination by interior side connecting plate 20 described later and outer side connecting plate 21, framework connecting panel 15 realizes topples over.
In addition, in the structure of present embodiment, as depicted in figs. 1 and 2, in the rear view of vehicle side that hangs vehicle frame 10, dispose respectively the left and right sides side connecting plate 20 in the pair of right and left of oblique the place ahead extension from the centre gangway portion 9 of body platform 8.That is, these two interior side connecting plates 20 are configured to combine with the side surface part of centre gangway portion 9 and form and under state, be the alphabetical V-arrangement shape opening wide forward overlooking.And the longitudinal floor beam 4 of the outboard end on the vehicle-width direction of interior side connecting plate 20 and longeron 5 is being positioned at the linking together for being installed to the surrounding of the rear side installation portion 16a of longeron 5 of both ends, left and right of the posterolateral arm 13 that hangs vehicle frame 10.
Thus, in the situation that be applied with load from vehicle front etc. to hanging central portion, the left and right sides portion of vehicle frame 10, be not only longitudinal floor beam 4, the floor leading section in the region between interior side connecting plate 20 and centre gangway portion 9 also deforms and absorbs this load, makes load to the rear dispersion of centre gangway portion 9.And, when load is when hanging the central portion of vehicle frame 10, the part of the curved shape of posterolateral arm 13 deforms, move to vehicle outside at its both ends, left and right, be converted to the load that applies to vehicle outside and so that the mode that the region between interior side connecting plate 20 and centre gangway portion 9 expands be out of shape.
In addition, in the structure of present embodiment, as depicted in figs. 1 and 2, the longitudinal floor beam 4 of lower-edge beam 6 and longeron 5 links up respectively by outer side connecting plate 21, and the outboard end on the vehicle-width direction of this outer side connecting plate 21 is configured to the oblique rear towards vehicle outside.Medial end on the vehicle-width direction of these two outer side connecting plates 21 be positioned at the posterolateral arm 13 that hangs vehicle frame 10 both ends, left and right for being installed to the surrounding of the rear side installation portion 16a of longeron 5, be linked to longitudinal floor beam 4.That is, interior side connecting plate 20 and outer side connecting plate 21 form the oblique chevron shape of mutual inclination towards the opposite, utilize the interior side connecting plate 20 of left and right and outer side connecting plate 21 to be configured under state, be letter w shape overlooking.
Thus, can use the whole width segments of body platform 8 to carry out load absorption and load distribution, and can carry out load distribution by 21 pairs of lower-edge beams of outer side connecting plate 6, thereby can reduce the distortion of body platform 8.
The effect of structure of the suspension vehicle frame 10 of embodiments of the present invention then, is described.
The suspension vehicle frame 10 of present embodiment has: posterolateral arm 13, and it forms to hang centered by the central portion on the vehicle-width direction of the end that torque rod 11 is installed of vehicle frame 10 towards the outstanding curved shape of vehicle front; And front side arm 14, its form the place ahead at posterolateral arm 13 centered by this central portion towards the outstanding curved shape of rear view of vehicle, posterolateral arm 13 and front side arm 14 link up by being located at the framework connecting panel 15 of the left and right sides on vehicle-width direction, framework connecting panel 15 is configured to make it to tilt, its direction of tilt position near vehicle outside that is the leading section 15a that makes this framework connecting panel 15 with respect to the axis C1 of vehicle fore-and-aft direction.And, in the rear view of vehicle side that hangs vehicle frame 10, dispose the left and right sides side connecting plate 20 in the pair of right and left of oblique the place ahead extension from the centre gangway portion 9 of body platform 8, the longitudinal floor beam 4 of the outboard end on the vehicle-width direction of interior side connecting plate 20 and longeron 5 is linking together for being installed to the surrounding of the rear side installation portion 16a of longeron 5, vehicle-width direction outside at longitudinal floor beam 4 disposes lower-edge beam, longitudinal floor beam 4 and lower-edge beam 6 utilize the outer side connecting plate 21 along tiltedly rear configuration towards vehicle outside to link up, the longitudinal floor beam 4 of the medial end on the vehicle-width direction of outer side connecting plate 21 and longeron 5 is linking together for being installed to the surrounding of the rear side installation portion 16a of longeron 5, it is oblique that interior side connecting plate 20 and outer side connecting plate 21 are configured to mutual inclination towards the opposite.
Therefore, when causing driver train, moves and while encountering the central portion that hangs vehicle frame 10 to rear view of vehicle the external load by from vehicle front, because the posterolateral arm 13 that bends to convex towards vehicle front is deformed into rectilinear form because of this load, therefore, input load from vehicle front spreads to vehicle-width direction via posterolateral arm 13, and loading direction is changed.Now, because existence is configured in the outer side connecting plate 21 on the extended line of curved shape of posterolateral arm 13, therefore can absorb from the load of inputting for being installed to the rear side installation portion 16a of longeron 5, and this load can be transmitted to lower-edge beam 6, thereby can carry out efficiently load dispersion.And, owing to being linked to the interior side connecting plate 20 of the structure member of centre gangway portion 9, from oblique rear, support for being installed to the rear side installation portion 16a of longeron 5, therefore, can absorb to the input load of inputting for being installed to the rear side installation portion 16a of longeron 5, and this load can be transmitted to the rear of centre gangway portion 9.
Thereby, adopt the structure of the suspension vehicle frame 10 of present embodiment, than the longeron 5 of longitudinal floor beam 4 grades, bear the structure in the past of all load from vehicle front, can reduce to the input load of longitudinal floor beam 4 inputs such as grade, seek the lightweight of the longeron 5 of longitudinal floor beam 4 grades.In addition, owing to being applied with and slowing down and accelerating load via underarm 7 from front tyre, rotational load, the suspension vehicle frame 10 of vibration etc. has posterolateral arm 13 and the front side arm 14 of the curved shape being linked up by framework connecting panel 15, and be configured to and coaming plate longeron 3, interior side connecting plate 20, outer side connecting plate 21 members such as grade are connected, therefore, can improve body platform 8 with respect to the load of vehicle fore-and-aft direction etc. and the rigidity of vibration, can suppress the distortion of body platform 8, improve the riding stability of vehicle, reduce vibration and noise, thereby can seek to improve the property taken in running operation and compartment.
Above, embodiments of the present invention have been described, but the present invention is not limited to above-mentioned embodiment, based on technological thought of the present invention, can carries out various distortion and change.
For example, in the above-described embodiment, hang vehicle frame 10 and there is posterolateral arm 13 and front side arm 14, but according to the difference of application vehicle etc., can also use the suspension vehicle frame being formed towards the posterolateral arm 13 of the outstanding curved shape of vehicle front by a central portion that forms vehicle-width direction.In this situation, the both ends, left and right that hang vehicle frame form the two trouble shapes of going out to vehicle fore-and-aft direction branch, in front and back, be provided with two for the installation portion that is installed to longeron 5 as for being installed on the installation portion of body side.
Claims (8)
1. a structure that hangs vehicle frame, it comprises: pair of right and left longeron, it is set to leave interval on vehicle-width direction, and this longeron comprises front side member, coaming plate longeron and the longitudinal floor beam extending along vehicle fore-and-aft direction; Hang vehicle frame, it,, as by the member linking up between above-mentioned pair of right and left longeron, is configured to be separated with interval with the driver train of vehicle on vehicle fore-and-aft direction; And torque rod, it configures along vehicle fore-and-aft direction, by a central portion end of this torque rod being installed on the vehicle-width direction of above-mentioned suspension vehicle frame, above-mentioned driver train and above-mentioned suspension vehicle frame are linked up, at above-mentioned suspension vehicle frame, be provided with rear side installation portion and the installed in front portion as the installation portion of body side, for above-mentioned suspension vehicle frame is installed to above-mentioned longeron, the structure of this suspension vehicle frame is characterised in that
Above-mentioned suspension vehicle frame forms central portion on its vehicle-width direction towards the outstanding curved shape of vehicle front, rear view of vehicle side at above-mentioned suspension vehicle frame disposes side connecting plate in the pair of right and left of extending towards oblique the place ahead from the left and right sides of centre gangway portion, this centre gangway portion is located at the central portion on the vehicle-width direction of body platform, and the outboard end on the vehicle-width direction of above-mentioned interior side connecting plate and above-mentioned longeron are being positioned at the linking together for being installed to the surrounding of the rear side installation portion of above-mentioned longeron of both ends, left and right of above-mentioned suspension vehicle frame.
2. the structure of suspension vehicle frame according to claim 1, is characterized in that,
Vehicle-width direction outside at above-mentioned longeron disposes the lower-edge beam extending along vehicle fore-and-aft direction, above-mentioned longeron and above-mentioned lower-edge beam link up by outer side connecting plate, outboard end on the vehicle-width direction of this outer side connecting plate is configured to the oblique rear towards vehicle outside, medial end on the vehicle-width direction of above-mentioned outer side connecting plate be positioned at above-mentioned suspension vehicle frame both ends, left and right for being installed to the surrounding of the rear side installation portion of above-mentioned longeron, be linked to above-mentioned longeron, above-mentioned interior side connecting plate and above-mentioned outside connecting plate matched are set to and are the oblique chevron shape of mutual inclination towards the opposite.
3. the structure of suspension vehicle frame according to claim 1, is characterized in that,
Above-mentioned coaming plate longeron is configured to make it to tilt, its direction of tilt position near vehicle outside or vehicle interior side that is the leading section that makes this coaming plate longeron with respect to the axis of vehicle fore-and-aft direction.
4. a structure that hangs vehicle frame, it comprises: pair of right and left longeron, it is set to leave interval on vehicle-width direction, and this longeron comprises front side member, coaming plate longeron and the longitudinal floor beam extending along vehicle fore-and-aft direction; Hang vehicle frame, it,, as by the member linking up between above-mentioned pair of right and left longeron, is configured to be separated with interval with the driver train of vehicle on vehicle fore-and-aft direction; And torque rod, it configures along vehicle fore-and-aft direction, by a central portion end of this torque rod being installed on the vehicle-width direction of above-mentioned suspension vehicle frame, above-mentioned driver train and above-mentioned suspension vehicle frame are linked up, at above-mentioned suspension vehicle frame, be provided with rear side installation portion and the installed in front portion as the installation portion of body side, for above-mentioned suspension vehicle frame is installed to above-mentioned longeron, the structure of this suspension vehicle frame is characterised in that
Above-mentioned suspension vehicle frame has: posterolateral arm, and it forms centered by the central portion on the vehicle-width direction of the end that above-mentioned torque rod is installed of this suspension vehicle frame towards the outstanding curved shape of vehicle front; And front side arm, it forms centered by the central portion on the vehicle-width direction of the end that above-mentioned torque rod is installed of this suspension vehicle frame of the place ahead at above-mentioned posterolateral arm towards the outstanding curved shape of rear view of vehicle, above-mentioned posterolateral arm and above-mentioned front side arm link up by being located at the framework connecting panel of the left and right sides on the vehicle-width direction of above-mentioned suspension vehicle frame, said frame connecting plate matched is set to it is tilted, its direction of tilt position near vehicle outside or vehicle interior side that is the leading section that makes this framework connecting panel with respect to the axis of vehicle fore-and-aft direction.
5. the structure of suspension vehicle frame according to claim 4, is characterized in that,
Said frame connecting plate matched is set to and makes its inclination, its direction of tilt position near vehicle outside that is the leading section that makes this framework connecting panel with respect to the axis of vehicle fore-and-aft direction, it is identical with the direction of tilt of said frame connecting panel that above-mentioned coaming plate longeron is configured to its direction of tilt.
6. the structure of suspension vehicle frame according to claim 5, is characterized in that,
Said frame connecting plate matched is set to and makes its inclination, its direction of tilt is identical with the normal direction at the connecting part place of above-mentioned posterolateral arm between said frame connecting panel and above-mentioned posterolateral arm, or being configured to make it to tilt, its direction of tilt is to make the normal direction at leading section connecting part place between said frame connecting panel and above-mentioned posterolateral arm with respect to above-mentioned posterolateral arm of this framework connecting panel near the position of vehicle outside.
7. according to the structure of the suspension vehicle frame described in any one in claim 3～6, it is characterized in that,
Above-mentioned coaming plate longeron is the parts that are independent of vehicle body, is being positioned at being configured to and being positioned at the above-mentioned front side member in the place ahead and to be positioned at the above-mentioned longitudinal floor beam in rear overlapping for being installed to the installation portion place of above-mentioned longeron of both ends, left and right of above-mentioned suspension vehicle frame.
8. according to the structure of the suspension vehicle frame described in any one in claim 1～7, it is characterized in that,
Above-mentioned longitudinal floor beam forms towards rear view of vehicle and to the shape of vehicle outside expansion.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2013-040635 | 2013-03-01 | ||
| JP2013040635A JP6057171B2 (en) | 2013-03-01 | 2013-03-01 | Suspension frame structure |
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| Publication Number | Publication Date |
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| CN104015803A true CN104015803A (en) | 2014-09-03 |
| CN104015803B CN104015803B (en) | 2016-08-17 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410050911.5A Expired - Fee Related CN104015803B (en) | 2013-03-01 | 2014-02-14 | Hang the structure of vehicle frame |
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| Country | Link |
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| JP (1) | JP6057171B2 (en) |
| CN (1) | CN104015803B (en) |
| DE (1) | DE102014202958B4 (en) |
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| CN108216370A (en) * | 2016-12-09 | 2018-06-29 | 丰田自动车株式会社 | Vehicle frame structure |
| CN108930783A (en) * | 2017-05-29 | 2018-12-04 | 铃木株式会社 | The support construction of gearshift |
| CN109421805A (en) * | 2017-08-28 | 2019-03-05 | 铃木株式会社 | The body Structure of electric vehicle |
| CN109484489A (en) * | 2017-09-11 | 2019-03-19 | 铃木株式会社 | The body Structure of electric vehicle |
| CN110949520A (en) * | 2018-09-27 | 2020-04-03 | 本田技研工业株式会社 | Auxiliary frame structure |
| US20210387678A1 (en) * | 2018-10-25 | 2021-12-16 | Bayerische Motoren Werke Aktiengesellschaft | Motor Vehicle |
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| SE540075C2 (en) | 2015-05-19 | 2018-03-13 | Ningbo Geely Automobile Res & Development Co Ltd | Sub-frame method and arrangement for releasing a front section of the sub-frame |
| FR3092067B1 (en) * | 2019-01-25 | 2020-12-25 | Psa Automobiles Sa | Motor cradle for a motor vehicle and vehicle comprising such a cradle |
| CN110539790A (en) * | 2019-08-05 | 2019-12-06 | 江苏远致达轨道交通发展有限公司 | steering gear support and vehicle |
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Also Published As
| Publication number | Publication date |
|---|---|
| CN104015803B (en) | 2016-08-17 |
| JP2014168979A (en) | 2014-09-18 |
| DE102014202958A1 (en) | 2014-09-04 |
| JP6057171B2 (en) | 2017-01-11 |
| DE102014202958B4 (en) | 2022-05-25 |
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