CN106274331B - Torsion beam, torsion beam type suspension, automobile - Google Patents
Torsion beam, torsion beam type suspension, automobile Download PDFInfo
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- CN106274331B CN106274331B CN201510279458.XA CN201510279458A CN106274331B CN 106274331 B CN106274331 B CN 106274331B CN 201510279458 A CN201510279458 A CN 201510279458A CN 106274331 B CN106274331 B CN 106274331B
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Abstract
A kind of torsion beam, torsion beam type suspension, automobile, wherein torsion beam includes: crossbeam；The crossbeam includes the first beam, the second beam, the damper mechanism for connecting first beam and the second beam along its axis direction, and the damper mechanism is used for vibration damping when first beam and the second beam relative torsion.In the torsion beam of this programme, crossbeam can not only play the effect of support stress and stabiliser bar, additionally it is possible to by damper mechanism vibration damping and energy-absorbing, with the opposite bounce amplitude for left and right wheels of decaying.
Description
Technical field
The present invention relates to automobile technical fields, more particularly, to a kind of torsion beam, torsion beam type suspension, automobile.
Background technique
Existing torsion beam type suspension is used mainly as rear overhang rack, balances two sides wheel by a torsion beam
Move up and down, to reduce the inclination of vehicle, maintain the steady of vehicle.
Torsion beam type suspension has structure simple, easily manufactured and many advantages, such as occupy little space.In current technology
In, torsion beam type suspension includes torsion beam, and torsion beam usually by a crossbeam and is connected to the towing trailing arm at crossbeam both ends
Constitute, crossbeam connect with two trailing arms and in H-type, the trailing arm front end by rubber bushing and vehicle body formation hinge connection, and after
End is connected with wheel hub, spring, damper etc..
The working principle of existing torsion beam type suspension are as follows:
When crossbeam both ends, wheel moves up and down displacement unanimously and two sides suspension is caused the deformation of equal amplitude occur, torsion
Tie point of the beam around trailing arm front end and vehicle body is swung up and down, and the effect of buffer shock-absorbing is realized by spring, damper etc.；
When two sides, the deformation of unequal amplitude occurs in suspension, traditional torsion beam can be by the torsional deflection of crossbeam to subtract
The opposite bounce of the wheel of small left and right two allows torsion beam to play stably the effect of bar, and the opposite generation of beating of crossbeam both ends wheel
Energy it is most of by shock absorber.
Therefore, during traditional automobile torsion beam formula suspension design, engineer is primarily upon the antitorque rigid of torsion beam
Degree and intensity, to obtain the crossbeam for being able to bear high torque without crossing deformation.Pass through the members such as adjustment spring, damper simultaneously
The stiffness and damping characteristic of part realizes the matching of rear axle performance, and crossbeam itself only plays the effect of support stress and stabiliser bar, and
The effect of vibration damping and energy-absorbing can not be played.
Summary of the invention
Problems solved by the invention is, in existing torsion beam type suspension, crossbeam only plays the work of support stress and stabiliser bar
With, and the effect of vibration damping and energy-absorbing can not be played.
To solve the above problems, the present invention provides a kind of torsion beam, which includes: crossbeam；
The crossbeam includes the first beam, the second beam, the vibration damping machine for connecting first beam and the second beam along its axis direction
Structure, the damper mechanism are used for vibration damping when first beam and the second beam relative torsion.
Optionally, the damper mechanism includes:
Around at least two spring cushions of crossbeam central axes arrangement, the length direction of the spring cushion hangs down
Directly in the central axes, each anti-relative twisting movement of spring cushion the first beam and the second beam are connected.
Optionally, the spring cushion includes:
Two vibration-damped components being oppositely arranged along the rectilinear direction perpendicular to crossbeam central axes, one of vibration-damped component are installed in institute
It states on the first beam, another vibration-damped component is installed on second beam；
Connect the rod-like element of two vibration-damped components；
Elastic component is set between two vibration-damped components.
Optionally, the spring cushion includes:
Two vibration-damped components being oppositely arranged, are installed on first beam；
The rod-like element for connecting two vibration-damped components, equipped with the interconnecting piece being mounted on second beam, the interconnecting piece
Two parts will be divided between the rod-like element；
Two elastic components are respectively arranged on the interconnecting piece two sides, and the both ends of each elastic component bear against or connect
Connect the vibration-damped component and interconnecting piece.
Optionally, the vibration-damped component includes:
Hollow cylinder, has a cylinder chamber, the elastic component and the cylinder body against or connect, the vibration-damped component passes through cylinder body peace
On corresponding beam；
The piston intracavitary positioned at the cylinder, it is intracavitary and connect with the piston that the rod-like element protrudes into the cylinder；
Damping material positioned at the intracavitary portion of the cylinder, for the vibration damping in piston press.
Optionally, the damping material is hydraulic oil, and the piston is equipped with several through-holes axially penetrated through；Alternatively, described
Damping material is porous material or rubber.
Optionally, the vibration-damped component is the block made of rubber material.
Optionally, the elastic component is helical spring, and the spiral spring cover is outside the rod-like element.
Optionally, all spring cushions are uniformly arranged around the crossbeam central axes.
Optionally, the damper mechanism includes at least one vibration-damped component made of damping material, and all vibration-damped components are along flat
Row connects first beam in crossbeam central axes direction and the second beam, the damper mechanism can be shear-deformable with vibration damping.
Optionally, the damper mechanism further include: connect the antitorque part of first beam and the second beam in anti-relative rotation.
Optionally, the antitorque part is torsion spring, and both ends are respectively connected to first beam and the second beam.
Optionally, corresponding each vibration-damped component is equipped with a torsion spring, and each torsion spring is sleeved on correspondence
The vibration-damped component outside.
Optionally, first beam is equipped with the first mounting base towards one end of the second beam, and second beam is pacified towards first
The one end for filling seat is equipped with the second mounting base；
First mounting base has the first surface towards the second mounting base, and the damper mechanism is mounted on described first
To be connected to first beam on surface；
Second mounting base has the second surface towards the first mounting base, and the damper mechanism is mounted on described second
To be connected to second beam on surface.
Optionally, seating face is installed where the vibration-damped component and corresponds to each vibration-damped component equipped with 1 the first card slot, institute
Vibration-damped component is stated to be arranged in corresponding first card slot.
Optionally, first card slot is recessed where it in installation seating face or first card slot is formed at
Where it in the first protrusion of installation seating face projection.
Optionally, each interconnecting piece is corresponded on the second surface equipped with 1 the second card slot, the interconnecting piece card
In corresponding second card slot.
Optionally, on the direction around the central axes of the crossbeam, the two sides side wall of each second card slot is connected
There is reinforcing rib, the reinforcing rib is mounted on the second surface.
Optionally, it on the direction around the central axes of the crossbeam, is equipped between two neighboring second card slot
One reinforcing rib.
Optionally, on the direction around the crossbeam central axes, two neighboring second protrusion is by the same reinforcement
Muscle connection.
Optionally, in first beam and the second beam, one of beam is equipped with cover towards one end of another beam, described
Bottom and the opening having towards another beam are covered, the bottom is as mounting base；
Mounting base on another described beam is located in the opening.
Optionally, in first mounting base and the second mounting base, one of mounting base is towards another mounting base
It is equipped with equipped with the boss on the central axes for being located at the crossbeam, in another described mounting base and to be penetrated through along the crossbeam central axes
Through-hole, the boss are located in the through-hole.
Optionally, the first slot is equipped in the outer peripheral surface in the boss towards through-hole inner surface, first slot is backwards to convex
Mounting base runs through boss where platform；
The second slot being aligned with first slot is equipped in the through-hole inner surface, second slot is pacified where boss
Seat is filled through mounting base where through-hole；
Connecting key is selectively equipped in first slot and the second slot.
The present invention also provides a kind of torsion beam type suspension, which includes any of the above-described torsion beam.
The present invention also provides a kind of automobile, which includes above-mentioned torsion beam type suspension.
Compared with prior art, technical solution of the present invention has the advantage that
On the one hand, in the first beam and the second beam relative twisting movement, since damper mechanism connects the first beam and the second beam,
The twist motion of first beam and the second beam is transferred to damper mechanism, and damper mechanism absorbs the first beam and the twist motion of the second beam produces
Raw energy reduces the opposite amplitude of beating of the wheel of left and right two, reduces vehicle and jolt, reduce vehicle roll amplitude, it is ensured that vehicle
Balance.
On the other hand, the first beam and when the second beam twist motion, deform, and with the twist motion both buffered, are connected to simultaneously
The twist motion of two beams together gradually reaches unanimity, and reduces the opposite bounce of the wheel of left and right two, enhances intact stability.
Further, in the first beam and the second beam relative twisting movement, the twist motion of the first beam declines through damper mechanism
It is transferred on the second beam again after subtracting, reduces the interference of the twist motion of the twist motion of the first beam to the second beam, similarly,
The twist motion of two beams is transferred on the first beam again after damper mechanism is decayed, and reduces the twist motion of the second beam to the first beam
Twist motion interference, this effectively reduces the twist motion of the first beam and the twist motion of the second beam interferes coupling
Degree improves the control stability and vehicle comfort of automobile axle.
In this way, the torsion beam of this programme can not only play the role of stabiliser bar, additionally it is possible to play the effect of vibration damping and energy-absorbing.
Detailed description of the invention
Fig. 1 is the positional diagram of all parts in the torsion beam of the specific embodiment of the invention；
Fig. 2 is a partial exploded view of crossbeam in the torsion beam of first embodiment of the invention；
Fig. 3 is in the torsion beam of first embodiment of the invention, another partial exploded view of crossbeam, wherein Fig. 2 and Fig. 3 show
The structure of the same crossbeam is gone out, only the visual angle of two attached drawings is different；
Fig. 4 is the structural schematic diagram of spring cushion in torsion beam shown in Fig. 2 and Fig. 3；
Fig. 5 is the sectional view of vibration-damped component in spring cushion shown in Fig. 4；
Fig. 6 is in the torsion beam of first embodiment of the invention, crossbeam assembled state a partial perspective view, wherein showing
The assembly method between spring cushion and the first mounting base is gone out；
Fig. 7 is in the torsion beam of first embodiment of the invention, crossbeam assembled state a partial perspective view, wherein showing
The assembly method between spring cushion and the second mounting base is gone out；
Fig. 8 is another partial perspective view of crossbeam in assembled state in the torsion beam of first embodiment of the invention；
Fig. 9 is another partial perspective view of crossbeam in assembled state in the torsion beam of first embodiment of the invention；
Figure 10 is in the torsion beam of second embodiment of the invention, and spring damping is shown in the partial cutaway view of crossbeam
Device and its assembly method with the first and second mounting base；
Figure 11 is in the torsion beam of third embodiment of the invention, and spring damping is shown in the partial cutaway view of crossbeam
Device and its assembly method with the first and second mounting base.
Specific embodiment
To make the above purposes, features and advantages of the invention more obvious and understandable, with reference to the accompanying drawing to the present invention
Specific embodiment be described in detail.
Torsion beam type suspension is the suspension frame structure for aiming at rear axle and designing, including torsion beam and is mounted on torsion beam both ends
Hydraulic buffer and helical spring, torsion beam both ends are connect by two trailing arms with wheel and vehicle body or vehicle frame, and pass through trailing arm
It is connected with wheel hub, spring, damper etc. to have the function that absorbing and support vehicle body.
Referring to Fig.1, the torsion beam of the present embodiment includes: crossbeam 1；
Crossbeam 1 includes the first beam 11, the second beam 12, the vibration damping knot for connecting the first beam 11 and the second beam 12 along its axis direction
Structure 10, damper mechanism 10 are used for vibration damping when the first beam 11 and the second 12 relative twisting movement of beam.
It when the wheel at 1 both ends of crossbeam encounters bump in the process of moving and moves up and down, the bounce of wheel is transferred to
First beam 11 and the second beam 12, are converted into the twist motion of the first beam 11 and the second beam 12.Compared with prior art, when two wheels
When bounce displacement is inconsistent, the twist motion of the first beam 11 and the second beam 12, such as spinning rate, amplitude are had differences, the two
Between generate relative torsion.At this point, 10 due to damper mechanism connect the first beam 11 and the second beam 12, the first beam 11 and the second beam
12 twist motion is transferred to damper mechanism 10, and damper mechanism 10 absorbs the energy of the first beam 11 and 12 twist motion of the second beam,
Reduce the opposite amplitude of beating of the wheel of left and right two, reduces jolting for vehicle, reduce vehicle roll amplitude, it is ensured that vehicle balance.
On the other hand, the first beam 11 and the second beam 12 can deform in twist motion, and deformation can slow down each beam
Twist motion, while the first beam 11 and the second beam 12 are linked together by damper mechanism 10, and the twist motion of the two is gradually
Reach unanimity, with adjust two wheels bounce reach unanimity, allow crossbeam 1 play stably bar effect reduce left and right two wheel phases
To bounce, intact stability is enhanced.
Further, in the first beam 11 and the second 12 relative twisting movement of beam, the twist motion of the first beam 11 is through vibration damping
Mechanism 10 is transferred on the second beam 12 again after decaying, and reduces the twist motion of the twist motion of the first beam 11 to the second beam 12
Interference, similarly, the twist motion of the second beam 12 are transferred on the first beam 11 again after the decaying of damper mechanism 10, reduce second
Interference of the twist motion of beam 12 to 11 twist motion of the first beam.Therefore, damper mechanism 10 effectively reduces the torsion of the first beam 11
The dynamic twist motion with the second beam 12 of transhipment interferes the degree of coupling, improves the control stability and vehicle of automobile axle
Comfort.
In this way, the torsion beam of the present embodiment can not only play the role of stabiliser bar, additionally it is possible to play the work of vibration damping and energy-absorbing
With.
In addition, referring to Fig.1, torsion beam further include: two trailing arms 13 are located at the both ends of crossbeam 1, and with the first beam 11 and
The connection of second beam 12.Wherein, trailing arm 13 is connected to vehicle body by its front end, passes through rear end connection wheel hub and is connected with spring, subtracts
Device (not shown) of shaking etc..When 1 two sides wheel hop of crossbeam, spring and damper can absorb the big portion that wheel hop generates
Divide energy, reduces the Oscillation Amplitude that uneven road surface is transferred to vehicle body, keep vehicle stabilization.Subtracting in the present embodiment middle cross beam 1
Vibration mechanism 10, which can further decay, controls the bounce amplitude of two wheels, preferably maintenance intact stability.
The specific structure of damper mechanism 10 is illustrated below.
Referring to Fig. 2, Fig. 3, the first beam 11 is equipped with the first mounting base 14 towards one end of the second beam 12, and the second beam 12 is towards the
One end of one mounting base 14 is equipped with the second mounting base 15, the first mounting base 14 and the second mounting base 15 along the axis direction phase of crossbeam
It is right；
Damper mechanism 10 is connect with the first mounting base 14 and the second mounting base 15 respectively, by the first beam 11 and the second beam 12
It links together.
In conjunction with referring to Fig. 4, damper mechanism 10 includes: 4 spring cushions 100 arranged around the central axes of crossbeam, often
A spring cushion 100 includes:
Two vibration-damped components 101 being oppositely arranged along the central axes perpendicular to crossbeam, the first mounting base 14 have towards second
The first surface 140 of mounting base 15, two vibration-damped components 101 are installed on first surface 140；
The rod-like element 102 of two vibration-damped components 101 is connected, the second mounting base 15 has the second table towards the first mounting base 14
Face 150, rod-like element 102 are equipped with the interconnecting piece 120 being mounted on second surface 150, and interconnecting piece 120 will be divided between rod-like element 102
Two parts；
Two helical springs 103, are located at 120 two sides of interconnecting piece, and the both ends of each helical spring 103 can be against
Or connect vibration-damped component 101 and interconnecting piece 120.
Referring to Fig. 2~Fig. 4, the working principle of spring cushion 100 are as follows:
Firstly, defining the vibration-damped component on the left of Fig. 4 is vibration-damped component 101a, the vibration-damped component on right side is vibration-damped component 101b, and definition is left
The helical spring of side is helical spring 103a, and the helical spring on right side is helical spring 103b；
When the second beam 12 with respect to 11 twist motion of the first beam and by interconnecting piece 120 drive rod-like element 102 along its axial direction to
The right side of Fig. 4 is mobile, and helical spring 103b, which is compressed and slows down rod-like element 102, to move right, and then slows down the torsion of the second beam 12
Transhipment is dynamic, while rod-like element 102 squeezes vibration-damped component 101b in moving process, and vibration-damped component 101b absorbs the axial fortune of rod-like element 102
The raw energy of movable property reduces the axial movement displacement of rod-like element 102, further reduces the torsion of the second beam 12 and the first beam 11
Turn motion amplitude, realizes vibration damping purpose；
When the second beam 12 drives left side of the rod-like element 102 to Fig. 4 by interconnecting piece 120 with respect to 11 twist motion of the first beam
Mobile, helical spring 103a, which is compressed and slows down rod-like element 102, to be moved to the left, and then slows down the torsion of the second beam 12, while rod-shaped
Part 102 squeezes vibration-damped component 101a in moving process, and vibration-damped component 101a absorbs the energy that the axial movement of rod-like element 102 generates, reaches
To the purpose of absorbing.
It can up and down reciprocatingly beat in wheel rough ride, therefore opposite first beam 11 of the second beam 12 meeting is made back and forth to reverse fortune
Dynamic, such rod-like element 102 can be moved back and forth along its axis direction, and two vibration-damped components 101 can reduce the reciprocal shifting of rod-like element 102
Dynamic displacement, reduces the amplitude of vehicle roll；
As one embodiment, it connect helical spring 103 with adjacent vibration-damped component 101 and interconnecting piece 120.Work as rod-like element
102 is mobile to the right side of Fig. 4, and helical spring 103a is stretched and further slows down rod-like element 102 and move right, larger slows down
The torsion of second beam 12, makes the first beam 11 and the deformation of the second beam 12 reach unanimity, and reduces the opposite bounce of two wheels, it is ensured that vehicle
Balance；
When rod-like element 102 is mobile to the left side of Fig. 4, helical spring 103b be stretched and further slow down rod-like element 102 to
It moves left, larger slows down the torsion of the second beam 12, the first beam 11 and the deformation of the second beam 12 is quickly made to reach unanimity.
In the present embodiment, referring to Fig. 4, Fig. 5, vibration-damped component 101 includes:
Hollow cylinder 110 is mounted on the first surface 140 (referring to Fig. 2) of the first mounting base 14, has cylinder chamber 111, spiral shell
Rotation spring 103 and cylinder body 110 against or connect, specifically, equipped with gasket 112 between helical spring 103 and cylinder body 110, pad
Piece 112 is fixedly arranged on cylinder body 110, helical spring 103 connect with gasket 112 or against；
Piston 120 in cylinder chamber 111, rod-like element 102 pass through gasket 112 and protrude into cylinder chamber 111 and connect with piston 120
It connects, piston 120 will be divided into first inner chamber 113 and second inner chamber 114 between cylinder chamber 111；
Damping material 130 inside first inner chamber 113 and second inner chamber 114.When rod-like element 102 is along its axial direction
When reciprocating movement, piston 120 moves back and forth in cylinder chamber 111, and piston 120 alternately squeezes first inner chamber in reciprocating movement
113 and second inner chamber 114 in damping material 130, damping material 130 is extruded and vibration damping.
Wherein, damping material 130 selects hydraulic oil, and piston 120 is equipped with perforative several along 102 axial direction of rod-like element
Narrow through-hole 121.In this way, hydraulic oil just repeatedly traverses 121 inner cavity of through-hole in 102 reciprocating movement of rod-like element, from
First inner chamber 113 flows into second inner chamber 114 and flows into first inner chamber 113 from second inner chamber 114.At this point, between through-hole wall and oil liquid
Friction and piston 120 squeeze hydraulic oil and make to rub fluid molecule in just to form damping force to vibration, finally make vehicle
Vibrational energy is converted into thermal energy, and is absorbed and be transmitted in atmosphere by oil liquid and cylinder body 110.
In addition to hydraulic oil, porous material is also may be selected in damping material 130, and porous material is one kind by being mutually communicated or closing
Hole constitute the material of network structure, hole can effectively absorb vibration.Alternatively, rubber material also may be selected in damping material 130.
Further, it may also is that substituting the vibration-damped component 101 of the present embodiment using rubber material.
Referring to Fig. 4, the present embodiment buffers the opposite torsion of the first beam 11 and the second beam 12 using helical spring 103a, 103b
Transhipment is dynamic.In addition to selecting helical spring, spring or the elastic component of other types and structure can be used also to realize the purpose of buffering,
Such as torsion spring.Further, helical spring 103a, 103b covers outside rod-like element 102, it is ensured that the installation of helical spring is stablized
Property.As variation, helical spring can not also cover outside rod-like element, its both ends is made to be connected to interconnecting piece by welding manner and subtract
Shake part.When using other elastic components to substitute helical spring, can also according to specific installation environment by elastic component and interconnecting piece and
Vibration-damped component connection.
It should be noted that in figure 2 and figure 3, damper mechanism 10 includes 4 spring cushions 100, spring cushion
100 quantity does not constitute limiting the scope of the invention.As variation, the quantity of spring cushion is at least two,
It can be selected as needed.In addition, all spring cushions 100 are uniformly arranged around the central axes of crossbeam, obtain vibration
To Uniform attenuation, avoid vibration and concentrate Mr. Yu 1 or several spring cushions and aggravate its vibration damping burden, this it is advantageously ensured that
Damper mechanism 10 has preferable service life.
Referring to Fig. 2 and Fig. 6,1 the is convexly equipped in the corresponding each vibration-damped component 101 of the first surface 140 of the first mounting base 14
One protrusion 16 is formed with the first card slot 160 in the first protrusion 16, and vibration-damped component 101 is arranged in corresponding first card slot 160,
Realization is installed in the first mounting base 14.Two vibration-damped components 101 of corresponding each spring cushion 100, on first surface 140
It is opposite and set two the first card slots 160, and two first card slots 160 are equipped with opening, the openings of two the first card slots 160 with respect to and
If the cylinder body 110 of each vibration-damped component 101 is clamped in corresponding first card slot 160.
As variation, it may also is that the first card slot is recessed in first surface.
Referring to Fig. 3 and Fig. 7, on the second surface 150 of the second mounting base 15, corresponding each interconnecting piece 120 is convexly equipped with the
Two protrusions 17, are formed with the second card slot 170 in the second protrusion 17, and interconnecting piece 120 is arranged in corresponding second card slot 170.
On the direction around the central axes of the crossbeam, the second card slot 170 has side wall 171 that is opposite and setting, 120 clamping of interconnecting piece
Between two sidewalls 171, two sidewalls 171 limit interconnecting piece 120.Wherein, 4 in corresponding 4 spring cushions 100
Interconnecting piece 120 is equipped with 4 the second protrusions 17 and corresponding 4 the second card slots 170, since 4 spring cushions 100 are around cross
The central axes of beam are arranged, therefore are designed 4 second protrusions 17 and corresponding second card slot 170 and arranged around the central axes of crossbeam.
Further, on the direction around the central axes of the second beam 12, the two side walls 171 of each second card slot 170
It is connected with reinforcing rib 18, wherein a reinforcing rib 18 is equipped between two neighboring second card slot 171, adjacent two second raised 17 quilts
The same reinforcing rib 18 is connected.Reinforcing rib 18 is mounted on second surface 150, and 4 second protrusions 17 pass through 4 reinforcing ribs 18
It links together.In opposite first 11 twist motion of beam of the second beam 12, interconnecting piece 120 is moved back and forth with rod-like element 102, to the
The two sidewalls 171 of two draw-in groove 170 back and forth apply biggish pressure, and reinforcing rib 18 enables the two sidewalls 171 of the second card slot 170 to support
Resist larger pressure, enhance the intensity of two sidewalls 171, prevents 171 compression power of two sidewalls from acting on and being broken.
In Fig. 3 and Fig. 7, reinforcing rib 18 is arc-shaped, this does not constitute limiting the scope of the invention, can be as needed
Design the shape of reinforcing rib 18.In addition, as variation, it may also is that set between adjacent two second protrusion there are two reinforcing rib,
Each reinforcing rib individually connects a side wall of the second adjacent card slot.
As variation, it may also is that the second card slot is recessed in second surface.
With continued reference to Fig. 2 and Fig. 3, cover 19 is equipped with towards one end of the second beam 12 in the first beam 11, and cover 19 has towards the
The opening 190 of two beams 12, bottom of first mounting base 14 as cover 19；
In conjunction with referring to Fig. 8, the second mounting base 15 is located in opening 190 to form a closed cover, and all springs subtract
Vibration device 100 is housed in cover 19, and which enhance the structural compactness of torsion beam.
Further, the second surface 150 and the first protrusion 16 for making the second mounting base 15 are being parallel to crossbeam central axes side
To offseting, the first card slot 160 and second surface 150 surround one close to closed accommodating space, and vibration-damped component 101 is contained in receiving
In space, which can well limit vibration-damped component 101, and the stability of vibration-damped component 101 increases, this also makes vibration damping
10 mounting stability of mechanism is promoted.
As variation, it may also is that being equipped with cover towards one end of the first beam in the second beam, the bottom of cover is as the second peace
Seat is filled, the first mounting base is located in the opening of cover.
Referring to Fig. 2, Fig. 3 and Fig. 9, the second mounting base 15 is equipped with the be located on crossbeam central axes towards the first mounting base 14
One boss 151, the first mounting base 14 are equipped with the through-hole 141 penetrated through along crossbeam central axes.First boss 151 is located in through-hole 141
To form shaft hole matching, its object is to provide support for the relative torsion of the first beam 11 and the second beam 12, while ensuring first
Beam 11 and the second beam 12 are reversed around same axis.
As a selection example, the first mounting base 14 is equipped with second boss 142, through-hole towards the second mounting base 15
141 are formed in second boss 142.Second boss 142 relatively increases through-hole 141 along the length of its axial direction, increases
Area between first boss 151 and through-hole 141 diametrically can provide for the relative torsion of the first beam 11 and the second beam 12
The support of more stable and more strength twelve Earthly Branches.
Further, opposite with 141 inner surface of through-hole in first boss 151 in assembled state in conjunction with reference Fig. 9
The first slot 152 is equipped in outer peripheral surface, the first slot 152 runs through first boss 151 backwards to the second mounting base 15；
It is equipped with the second slot 143 being aligned with the first slot 152 in the inner surface of through-hole 141, the second slot 143 is through the first installation
Seat 14, the first slot 152 and the second slot 143 are aligned and form accommodating space.First beam 11 and the second beam 12 are U-shaped beam, according to
Application environment is located at the opening of accommodating space in the U-shaped opening of the first beam 11.
When vehicle driving plays effectiveness in vibration suppression without torsion beam in flat road surface, connecting key 20 can be passed through the
The U-shaped opening of one beam 11 is mounted in accommodating space, and is pressed into the first slot 152 and the second slot 143, such first beam 11 and second
Beam 12 is linked together by connecting key 20 without relative twisting movement occurs.This is conducive to vehicle during the turn steady
It is qualitative.When needing torsion beam to play effectiveness in vibration suppression, connecting key 20 can be taken out, making can between the first beam 11 and the second beam 12
Relative twisting movement occurs.Therefore, connecting key 20 can be selectively attached to as needed in the first slot 152 and the second slot 143.
It should be noted that as variation, it may also is that the first mounting base is convex equipped with first towards the second mounting base
Platform, the second mounting base are equipped with second boss towards the first mounting base, and two boss are respectively positioned on crossbeam central axes, and second boss is equipped with
Along crossbeam central axes through the through-hole of its own and the second mounting base, first boss be can extend into through-hole.
In other embodiments, when the first beam and the second beam are V-type beam, the opening of accommodating space is located at corresponding beam
In V-type opening.As variation, when the first beam and the second beam are cast beam, can be opened up in the beam body of cast beam opening with
It is easily installed connecting key.
Second embodiment
Compared to the first embodiment, second embodiment the difference is that:
0, Figure 10 is the partial cutaway view of torsion beam 20 referring to Fig.1, and spring cushion 200 includes:
And the vibration-damped component 201 that sets opposite along the direction perpendicular to crossbeam central axes, one of vibration-damped component 201 be (Figure 10's
Left side) the first mounting base 21 is mounted on towards on the first surface 210 of the second mounting base 22, another vibration-damped component 201 be (Figure 10's
Right side) the second mounting base 22 is mounted on towards on the second surface 220 of the first mounting base 21；
Connect the rod-like element 202 of two vibration-damped components 201；
The helical spring 203 in rod-like element 202 is covered, offsets or connect with two vibration-damped components 201.
Since two vibration-damped components 201 are separately fixed in different mounting bases, in the first beam and the second beam of torsion beam 20
When (not shown) relative twisting movement, two vibration-damped components, 201 extrusion spiral spring, 203 compressive deformation, helical spring 203 is deformed
To buffer the twist motion of two beams.Meanwhile the meeting of rod-like element 203 applies axial compressive force, two vibration-damped components to the vibration-damped component 201 at both ends
201 absorb the energy that vibration generates, and realize vibration-damping function.
In Figure 10, the vibration-damped component 201 in the corresponding left side of first surface 210 is convexly equipped with third protrusion 211, second surface 220
The vibration-damped component 201 on corresponding right side is convexly equipped with the 4th protrusion 222, and third protrusion 211 and the 4th protrusion 222 are oppositely arranged；
Third card slot 212 is formed in third protrusion 211, the vibration-damped component 201 in left side is clamped in third card slot 212；
The 4th card slot 221 is formed in the 4th protrusion 222, the vibration-damped component 201 on right side is clamped in the 4th card slot 221.
In addition to the difference with first embodiment, the torsion girder construction of second embodiment can refer to the phase of first embodiment
Hold inside the Pass, details are not described herein.
3rd embodiment
Compared with first embodiment and second embodiment, 3rd embodiment the difference is that:
1, Figure 11 is the partial cutaway view of torsion beam 30 referring to Fig.1, and damper mechanism 300 includes:
3 vibration-damped component 301 made of damping material, vibration-damped component 301 connect the along the direction for being parallel to crossbeam central axes
One mounting base 310 and the second mounting base 320.
In the first beam 31 and the second 32 relative twisting movement of beam, vibration-damped component 301 is shear-deformable, in the first beam 31 and second
For beam 32 in the reciprocal twist process in crossbeam central axes, vibration-damped component 301 is reciprocal shear-deformable.During shear-deformable, material is damped
The energy that the interior friction consumption vibration of material generates, realizes the purpose of vibration damping.
For the torsional strength for enhancing damper mechanism 300, damper mechanism 300 further include: connect the first peace in anti-relative rotation
It fills seat 310 and the second mounting base 320 and is sleeved on the antitorque part 302 outside vibration-damped component 301.Antitorque part 302 selects torsion spring, resists
Torsion spring is sleeved on outside vibration-damped component 301, and its both ends can weld in the first mounting base 310 and the second mounting base 320.
It should be noted that the damper mechanism 300 of Figure 11 includes 3 vibration-damped components 301, the quantity of vibration-damped component 301 is not constituted
Limiting the scope of the invention.As variation, damped according to possessed by the size of each vibration-damped component, each vibration-damped component
Characteristic and concrete application occasion select the quantity of vibration-damped component, and the quantity of vibration-damped component can be at least one.For example, if each
The volume of vibration-damped component is larger, damping is stronger, the quantity of vibration-damped component without too many, on the contrary, if the volume of each vibration-damped component compared with
It is small, damping it is weaker, vibration-damped component needs to arrange a greater number.
In addition, torsion spring can not be sleeved on vibration-damped component as variation, the first mounting base is connected also relatively independently
With the second mounting base.Moreover, other torsion-resisting elements outside torsion spring also may be selected in the type of antitorque part.
Except in addition to the difference of the first and second embodiment, the other structures of the torsion beam of 3rd embodiment can refer to first,
The content of two embodiments, details are not described herein.
Although present disclosure is as above, present invention is not limited to this.Anyone skilled in the art are not departing from this
It in the spirit and scope of invention, can make various changes or modifications, therefore protection scope of the present invention should be with claim institute
Subject to the range of restriction.
Claims (18)
1. a kind of torsion beam characterized by comprising crossbeam；
The crossbeam includes the first beam, the second beam, the damper mechanism for connecting first beam and the second beam, institute along its axis direction
State vibration damping of the damper mechanism for first beam and the second beam relative torsion when；
The damper mechanism includes: at least two spring cushions around crossbeam central axes arrangement, the spring damping
The length direction of device connects the first beam to each anti-relative twisting movement of spring cushion perpendicular to the crossbeam central axes
With the second beam；
The spring cushion includes: two vibration-damped components being oppositely arranged along the rectilinear direction perpendicular to crossbeam central axes, wherein one
A vibration-damped component is installed on first beam, another vibration-damped component is installed on second beam；Connect two vibration-damped components
Rod-like element；Elastic component is set between two vibration-damped components；Alternatively,
The spring cushion includes: two vibration-damped components being oppositely arranged, and is installed on first beam；Subtract described in connection two
The rod-like element of vibration part, equipped with the interconnecting piece being mounted on second beam, the interconnecting piece will be divided into two between the rod-like element
Point；Two elastic components, are respectively arranged on the interconnecting piece two sides, and described in the both ends of each elastic component bear against or connect
Vibration-damped component and interconnecting piece.
2. torsion beam as described in claim 1, which is characterized in that the vibration-damped component includes:
Hollow cylinder, has a cylinder chamber, the elastic component and the cylinder body against or connect, the vibration-damped component is mounted on by cylinder body
On corresponding beam；
The piston intracavitary positioned at the cylinder, it is intracavitary and connect with the piston that the rod-like element protrudes into the cylinder；
Damping material positioned at the intracavitary portion of the cylinder, for being extruded and vibration damping when piston reciprocating is mobile.
3. torsion beam as claimed in claim 2, which is characterized in that the damping material is hydraulic oil, and the piston is equipped with axis
To perforative several through-holes；Alternatively,
The damping material is porous material or rubber.
4. torsion beam as described in claim 1, which is characterized in that the vibration-damped component is the block made of rubber material.
5. torsion beam as described in claim 1, which is characterized in that the elastic component is helical spring, the spiral spring cover
Outside the rod-like element.
6. torsion beam as described in claim 1, which is characterized in that all spring cushions are uniform around the crossbeam central axes
Arrangement.
7. torsion beam as described in claim 1, which is characterized in that first beam is equipped with the first peace towards one end of the second beam
Seat is filled, second beam is equipped with the second mounting base towards one end of the first mounting base, and first mounting base has towards second
The first surface of mounting base, second mounting base have the second surface towards the first mounting base；
The vibration-damped component described for two is fixedly arranged on the spring cushion of first beam, second beam respectively, one institute
Vibration-damped component installation is stated on the first surface to be connected to first beam, another vibration-damped component is mounted on second table
To be connected to second beam on face.
8. torsion beam as claimed in claim 7, which is characterized in that install seating face where the vibration-damped component and correspond to each institute
Vibration-damped component is stated equipped with 1 the first card slot, the vibration-damped component is arranged in corresponding first card slot.
9. torsion beam as claimed in claim 8, which is characterized in that first card slot is recessed to install seating face where it
In or first card slot be formed at where it in the first protrusion of installation seating face projection.
10. torsion beam as described in claim 1, which is characterized in that first beam is equipped with first towards one end of the second beam
Mounting base, second beam are equipped with the second mounting base towards one end of the first mounting base, and first mounting base has towards the
The first surface of two mounting bases, second mounting base have the second surface towards the first mounting base；
The vibration-damped component described for two is fixedly arranged on the spring cushion of first beam, corresponding every on the second surface
A interconnecting piece is equipped with 1 the second card slot, and the interconnecting piece is arranged in corresponding second card slot.
11. torsion beam as claimed in claim 10, which is characterized in that second card slot is recessed in the second surface,
Or second card slot is formed in the second protrusion of the second surface projection.
12. torsion beam as claimed in claim 11, which is characterized in that on the direction around the central axes of the crossbeam, often
The two sides side wall of a second card slot is connected with reinforcing rib, and the reinforcing rib is mounted on the second surface.
13. torsion beam as claimed in claim 12, which is characterized in that on the direction around the crossbeam central axes, in phase
A reinforcing rib is equipped between adjacent two second card slots.
14. torsion beam as claimed in claim 7, which is characterized in that in first beam and the second beam, one of beam court
It is equipped with cover to one end of another beam, the cover has bottom and opening towards another beam, and the bottom is as peace
Fill seat；
Mounting base on another described beam is located in the opening.
15. torsion beam as claimed in claim 7, which is characterized in that in first mounting base and the second mounting base, wherein
One mounting base is equipped with the boss on the central axes of the crossbeam towards another mounting base, in another described mounting base
Equipped with the through-hole penetrated through along the crossbeam central axes, the boss is located in the through-hole.
16. torsion beam as claimed in claim 15, which is characterized in that in the boss outer peripheral surface opposite with through-hole inner surface
In be equipped with the first slot, first slot mounting base where the boss runs through boss；
The second slot being aligned with first slot is equipped in the through-hole inner surface, second slot is backwards to mounting base where boss
Through mounting base where through-hole；
Connecting key is selectively equipped in first slot and the second slot.
17. a kind of torsion beam type suspension, which is characterized in that including the described in any item torsion beam of claim 1~16.
18. a kind of automobile, which is characterized in that including the torsion beam type suspension described in claim 17.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510279458.XA CN106274331B (en) | 2015-05-27 | 2015-05-27 | Torsion beam, torsion beam type suspension, automobile |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510279458.XA CN106274331B (en) | 2015-05-27 | 2015-05-27 | Torsion beam, torsion beam type suspension, automobile |
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| Publication Number | Publication Date |
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| CN106274331A CN106274331A (en) | 2017-01-04 |
| CN106274331B true CN106274331B (en) | 2019-05-17 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510279458.XA Active CN106274331B (en) | 2015-05-27 | 2015-05-27 | Torsion beam, torsion beam type suspension, automobile |
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| CN (1) | CN106274331B (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108608821B (en) * | 2018-03-30 | 2021-02-12 | 江苏大学 | Vehicle suspension system comprising negative stiffness device and control method thereof |
| KR102070383B1 (en) * | 2018-08-31 | 2020-01-28 | 대원강업주식회사 | Semi-active Anti-roll Stabilizer Bar |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1724283A (en) * | 2004-07-21 | 2006-01-25 | 日产自动车株式会社 | Wheel suspension system |
| CN202463501U (en) * | 2011-11-29 | 2012-10-03 | 南京农业大学 | Torsion bar spring suspension |
| CN202863070U (en) * | 2012-10-25 | 2013-04-10 | 上海通用汽车有限公司 | Rear suspension frame of automobile |
| CN103121384A (en) * | 2013-03-13 | 2013-05-29 | 柳州孔辉汽车科技有限公司 | Semi-independent rear suspension of automobile torsion beam |
| CN103692875A (en) * | 2013-12-13 | 2014-04-02 | 一汽解放柳州特种汽车有限公司 | Rubber spring balance suspension for transport vehicle |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2000313218A (en) * | 1999-04-30 | 2000-11-14 | Nissan Motor Co Ltd | Rear suspension device |
| KR20090062953A (en) * | 2007-12-13 | 2009-06-17 | 현대자동차주식회사 | Coupled torsion beam axle for vehicle |
-
2015
- 2015-05-27 CN CN201510279458.XA patent/CN106274331B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1724283A (en) * | 2004-07-21 | 2006-01-25 | 日产自动车株式会社 | Wheel suspension system |
| CN202463501U (en) * | 2011-11-29 | 2012-10-03 | 南京农业大学 | Torsion bar spring suspension |
| CN202863070U (en) * | 2012-10-25 | 2013-04-10 | 上海通用汽车有限公司 | Rear suspension frame of automobile |
| CN103121384A (en) * | 2013-03-13 | 2013-05-29 | 柳州孔辉汽车科技有限公司 | Semi-independent rear suspension of automobile torsion beam |
| CN103692875A (en) * | 2013-12-13 | 2014-04-02 | 一汽解放柳州特种汽车有限公司 | Rubber spring balance suspension for transport vehicle |
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|---|---|
| CN106274331A (en) | 2017-01-04 |
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